CN220249772U - Display device of control cabinet - Google Patents

Abstract

The application discloses display device of switch board belongs to elevator technical field. The display device of the control cabinet comprises: the PCB board card is provided with a plurality of indicator lamps; the light incident surfaces of the light guide bodies are opposite to the indicator lamps; the light guide body is provided with a light guide surface, the light guide surface is provided with a plurality of light guide holes, the light guide holes are arranged on the light guide surface, and the light guide holes are arranged on the light guide surface. According to the display device of the control cabinet, through the isolation cover and the isolation cavity, two adjacent light guide bodies are separated by the wall surface of the isolation cavity, the light emitting surfaces of the two adjacent light guide bodies are not interfered with each other, and therefore the possibility of light crosstalk between the two adjacent light guide bodies is reduced.

Description

Display device of control cabinet

Technical Field

The application belongs to the technical field of elevators, and particularly relates to a display device of a control cabinet.

Background

In the elevator control cabinet, the LED light on the PCB board card is always required to be conducted to the outside of the elevator control cabinet so as to be convenient for observe, the light emitted by the LED light is conducted by the light guide body device, but the condition of light string is always generated between the light guide body devices in the elevator control cabinet at present, so that the working state of internal electronic devices is influenced by staff according to the light judgment.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a display device of a control cabinet, wherein two adjacent light guide bodies are separated by the wall surface of an isolation cavity, the light emitting surfaces of the two adjacent light guide bodies are not interfered with each other, and therefore the possibility of light crosstalk between the two adjacent light guide bodies is reduced.

In a first aspect, the present application provides a display device of a control cabinet, including:

the PCB board card is provided with a plurality of indicator lamps;

the light incident surfaces of the light guide bodies are opposite to the indicator lamps;

the light guide body is provided with a light guide surface, the light guide surface is provided with a plurality of light guide holes, the light guide holes are arranged on the light guide surface, and the light guide holes are arranged on the light guide surface.

According to the display device of the control cabinet, through the isolation cover and the isolation cavity, two adjacent light guide bodies are separated by the wall surface of the isolation cavity, the light emitting surfaces of the two adjacent light guide bodies are not interfered with each other, and therefore the possibility of light crosstalk between the two adjacent light guide bodies is reduced.

According to one embodiment of the application, the end faces of the plurality of shielding covers facing away from the indication area are flush with each other.

Through setting up the terminal surface that a plurality of cage deviate from the indication area to mutual parallel and level, can make cage and PCB integrated circuit board cooperation wrap up a plurality of leaded light bodies alone, promptly, set up a plurality of leaded light bodies in a solitary region respectively, further avoid taking place the cluster light between two adjacent leaded light bodies.

According to one embodiment of the present application, further comprising:

the light guide body is provided with a plurality of isolation cavities, the isolation covers are arranged on the light guide body, the light guide body is provided with a plurality of isolation covers, the plurality of connection pieces are arranged on the light guide body, the connection pieces are provided with a first installation structure and a plurality of installation positions, each light guide body is provided with one isolation cavity, the plurality of connection pieces corresponds to the isolation covers one to one, and the shell is provided with a plurality of second installation structures, and the first installation structure is connected with the second installation structure.

Through setting up every cage to have a plurality of isolation chamber and connecting piece and have a plurality of installation sites on, can install a plurality of leaded light bodies on the casing through a connecting piece, easy and simple to handle can improve installation effectiveness.

According to an embodiment of the application, the connecting piece includes the connecting rib, a plurality of installation positions with first mounting structure passes through the connecting rib links to each other, every isolation chamber department all is equipped with in the cage and dodges the mouth, the connecting rib runs through dodge the mouth.

According to one embodiment of the present application, the width of the relief opening gradually decreases in a direction approaching the indication area.

According to one embodiment of the application, the cavity wall of the isolation cavity is provided with a limit groove, and the outer wall of the installation position is matched with the limit groove.

According to one embodiment of the present application, the connecting rib includes:

the connecting main section extends along the distribution direction of a plurality of isolation cavities of the isolation cover and is positioned outside the isolation cavities, and the first mounting structure is arranged on the connecting main section;

the connecting branch sections are spaced apart and connected with the connecting main section, one end, deviating from the connecting main section, of each connecting branch section is provided with the installation position, and the connecting branch sections penetrate through the avoidance openings.

According to one embodiment of the present application, the second mounting structure includes a mounting post disposed adjacent the cage, and the first mounting structure includes a mounting hole through which the mounting post extends.

According to one embodiment of the application, the connector has a plurality of sleeves defining the mounting locations.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

fig. 1 is one of schematic structural diagrams of a control cabinet provided in an embodiment of the present application;

FIG. 2 is a second schematic structural diagram of a control cabinet according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of a cabinet and door of a control cabinet provided in an embodiment of the present application;

FIG. 4 is an assembly view of a cabinet and door of a control cabinet provided in an embodiment of the present application;

fig. 5 is an internal schematic view of a control cabinet provided in an embodiment of the present application;

FIG. 6 is one of the exploded views of the control cabinet provided by the embodiments of the present application;

FIG. 7 is a second exploded view of a control cabinet provided in an embodiment of the present application;

FIG. 8 is a third exploded view of a control cabinet provided in an embodiment of the present application;

fig. 9 is one of schematic structural diagrams of a display device of a control cabinet according to an embodiment of the present disclosure;

fig. 10 is a second schematic structural diagram of a display device of a control cabinet according to an embodiment of the present disclosure;

FIG. 11 is a third schematic structural view of a display device of a control cabinet according to an embodiment of the present disclosure;

FIG. 12 is an enlarged view of a portion of FIG. 11 at A;

FIG. 13 is a partial enlarged view at B in FIG. 11;

Fig. 14 is a schematic structural diagram of a display device of a control cabinet according to an embodiment of the present disclosure;

FIG. 15 is an enlarged view of a portion of FIG. 14 at C;

fig. 16 is one of schematic structural diagrams of an electronic device of a control cabinet provided in an embodiment of the present application;

FIG. 17 is a second schematic structural view of an electronic device of a control cabinet according to an embodiment of the present disclosure;

FIG. 18 is a third schematic structural view of the electronic device of the control cabinet according to the embodiment of the present disclosure;

fig. 19 is a partial enlarged view at D in fig. 18;

FIG. 20 is one of the partial schematic views of the electronics of the control cabinet provided by the embodiments of the present application;

FIG. 21 is a second schematic partial view of an electronic device of a control cabinet provided in an embodiment of the present application;

fig. 22 is a schematic structural diagram of a connection board of a control cabinet according to an embodiment of the present application.

Reference numerals:

the cabinet 100, the back plate 110, the main plate 111, the connection structure 112, the flange 113, the assembly structure 1131, the casing 120, the casing body 121, the first side plate 1211, the top plate 1212, the second side plate 1213, the cover plate 1214, the heat dissipation hole 1215, the first fan 1216, the second fan 1217, the door 122, the hinge 1221, the door lock 1222, the opening 123, the handle 130, the reinforcement 131, the casing holder 140, and the partition 150;

The electronic device 200, the power board assembly 210, the power support 211, the capacitor board 212, the power board 213, the module board assembly 220, the module board 221, the heat sink 222, the module board support 223, the driving board assembly 230, the driving board 231, the precharge board 232, the main loop terminal 233, the main control board assembly 240, the main control board 241, the bus bar 2411, the main control support 242, the first air duct 250, and the second air duct 260;

the display device 300, the indication area 310, the PCB card 320, the indication lamp 321, the light guide 330, the case 340, the second mounting structure 341, the transparent plate 342, the change-over switch 343, the emergency stop button 344, the key 345, the isolation cover 350, the isolation cavity 351, the escape opening 352, the limit groove 353, the connector 360, the first mounting structure 361, the connection rib 362, the connection main section 3621, the connection branch section 3622, the sleeve 363, the gateway 370, the button plate 380, the display plate 390, the UCMP plate 391;

the connecting plate 400, the bent angle male plug row 410 and the bent angle welding pin 420;

the grounding member 500, the first grounding member 510, and the second grounding member 520.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

A control cabinet according to an embodiment of the present application is described below with reference to fig. 1 to 22.

An embodiment of the present application provides a control cabinet, as shown in fig. 1-5, including a back plate 110, a housing 120, and an electronic device 200.

As shown in fig. 1-5, the control cabinet may be an elevator control cabinet for controlling an elevator to operate, or may be a control cabinet for other fields.

The cabinet housing 120 may be made of carbon steel, cold rolled sheet, stainless steel, alloy steel, or other suitable materials.

As shown in fig. 1-5, the housing 120 defines a receiving cavity with an open back, and the housing 120 is detachably connected to the back plate 110, and the housing 120 may have a rectangular structure, a trapezoid structure or other shape structure with an open back, and the housing 120 and the back plate 110 may be detachably connected by bolts, snaps or other means.

As shown in fig. 1-5, when the casing 120 is connected to the back plate 110, the accommodating cavity defined by the casing 120 may have a rectangular structure, or may have an elliptical, trapezoidal or other shape.

As shown in fig. 1-5, the electronic device 200 is mounted to the back plate 110 and is located in the receiving cavity, and the electronic device 200 may be mounted to a side of the back plate 110 adjacent to the housing 120 by bolts, screws, or other means, and the electronic device 200 is located in the receiving cavity of the housing 120 when the back plate 110 is connected to the housing 120.

In the actual execution process, when a worker installs the electronic devices 200, each electronic device 200 is installed on the back plate 110 through bolts, after all the electronic devices 200 are installed, the shell 120 is covered outside all the electronic devices 200 and connected with the back plate 110, and after the complete assembly of the whole control cabinet is completed, the control cabinet is vertically fixed at a designated position; when the worker needs to repair the electronic device 200 in the control cabinet, the casing 120 can be detached from the back plate 110, and the casing 120 can be removed along the direction away from the back plate 110, so that the electronic device 200 is exposed to the external environment for repair or replacement by the worker.

Through setting up casing 120 and backplate 110 to detachably connect, need not reserve the operating space near the inner wall of casing 120, can be with electronic device 200 as far as possible on backplate 110 welt arrangement when installing electronic device 200, realize less assembly process clearance, for directly assembling electronic device 200 in the switch board inside, can save the space of staff's lower hand installation, improve the space utilization in the switch board inside, reduce the complete machine volume of switch board, can maintain or change electronic device 200 under open environment simultaneously, realize the unrestrained installation or dismantlement electronic device 200, thereby improve electronic device 200's assembly efficiency and maintenance efficiency.

According to the control cabinet provided by the embodiment of the application, the casing 120 and the back plate 110 are detachably connected, so that the whole volume of the control cabinet can be reduced, and meanwhile, the electronic device 200 can be conveniently installed and maintained, and the installation efficiency and the maintenance efficiency can be improved.

In some embodiments, as shown in fig. 1-4 and 6-8, the cabinet 120 includes a cabinet body 121 and a door 122.

As shown in fig. 1 to 4 and fig. 6 to 8, the front and back of the casing body 121 are open, and the casing body 121 is detachably connected with the back plate 110, and the casing body 121 may have a rectangular structure with the front and back open, or may have a circular, trapezoidal or other shape structure.

As shown in fig. 1-4 and 6-8, the door 122 is connected to the housing body 121 for at least partially shielding the front of the housing body 121, and the door 122 may be pivotally connected to the housing body 121, for example, the door 122 may be pivotally connected to one of the front sides of the housing body 121 by a hinge 1221 or otherwise, i.e., the door 122 may be pivotally connected to one of the front sides of the housing body 121 by a hinge 1221; the door 122 may also be slidably connected to the housing 121, for example, a sliding rail is disposed on a front side of the housing 121, a sliding block is disposed on a side of the door 122, and the door 122 is slidably connected to the housing 121 through the sliding rail and the sliding block.

As shown in fig. 1, 3 and 6-8, a door lock 1222 is arranged at the front side of the door 122, the door lock 1222 can be locked when the control cabinet works normally, and the door lock 1222 can be unlocked when the electronic device 200 in the control cabinet needs to be observed or operated, so as to improve the safety of the electronic device 200.

As shown in fig. 1, 3 and 6-8, the door lock 1222 may be disposed at a position opposite to the rotation axis of the door body 122 at the front side of the door body 122, and the door lock 1222 may protrude outwards relative to the front surface of the door body 122, i.e., the door lock 1222 may serve as a door handle of the door body 122, which is simple in structure and convenient for a worker to open the door body 122.

In the actual execution process, when the control cabinet is in a normal working state or has no fault, the door 122 is locked with the casing body 121 through the door lock 1222, at this time, the door 122 cannot be opened, and the door 122 shields the front part of the casing body 121; when it is desired to observe the inside of the control cabinet, the door lock 1222 is unlocked and the door lock 1222 is pulled to rotate the door 122 in a direction away from the cabinet body 121 with respect to the rotation shaft until the door 122 does not cover the front of the cabinet body 121 at all.

By providing the door 122, the electronic device 200 can be prevented from being exposed to the external environment and being affected by dust or other substances, the safety of the electronic device 200 can be improved, and meanwhile, the overall cleanliness of the outside of the control cabinet can be improved.

In some embodiments, as shown in fig. 1-4 and 6-8, the casing body 121 includes a first side plate 1211, a top plate 1212, a second side plate 1213, and a cover plate 1214 connected end to end in sequence, wherein the cover plate 1214 is detachably connected to an end of the first side plate 1211 and the second side plate 1213 facing away from the top plate 1212, and the first side plate 1211 and the second side plate 1213 are detachably connected to the back plate 110.

As shown in fig. 1-4 and fig. 6-8, the first side plate 1211, the top plate 1212 and the second side plate 1213 may be integrally formed, or may be separately formed and then fixedly connected by screws, bolts or other means.

As shown in fig. 1-4 and fig. 6-8, the first side plate 1211, the top plate 1212, the second side plate 1213 and the cover plate 1214 may have rectangular structures, or may have trapezoidal or other shape structures, the first side plate 1211 may respectively form a right angle structure with the top plate 1212 and the cover plate 1214, and the second side plate 1213 may respectively form a right angle structure with the top plate 1212 and the cover plate 1214, i.e. the first side plate 1211, the top plate 1212, the second side plate 1213 and the cover plate 1214 may be sequentially connected end to form a rectangular structure, or may form a trapezoidal or other shape structure, which is not limited herein.

As shown in fig. 1 to 4 and fig. 6 to 8, the side edge of the first side plate 1211 adjacent to the back plate 110 in the width direction and the side edge of the second side plate 1213 adjacent to the back plate 110 in the width direction are both detachably connected to the back plate 110, and the side edge of the first side plate 1211 adjacent to the cover plate 1214 in the length direction and the side edge of the second side plate 1213 adjacent to the cover plate 1214 in the length direction are both detachably connected to the cover plate 1214.

As shown in fig. 1, 2, 4 and 6-8, the top plate 1212 is provided with a first fan 1216 and a second fan 1217 near the second side plate 1213 and the first side plate 1211, the cover plate 1214 is provided with a plurality of heat dissipation holes 1215 at positions corresponding to the first fan 1216 and the second fan 1217, the heat dissipation holes 1215 may be arranged in a multi-row crossing manner, or may be arranged in other manners, the first fan 1216 may be arranged in two, the second fan 1217 may be arranged in two, and the first fan 1216 and the second fan 1217 may be arranged in other numbers.

By arranging the first fan 1216, the second fan 1217 and the heat dissipation holes 1215, the electronic device 200 inside the control cabinet can be subjected to air cooling heat dissipation by using the first fan 1216 and the second fan 1217, and the heat dissipation holes 1215 can enable high-temperature air inside the control cabinet to exchange with low-temperature air in an external environment, so that the heat dissipation effect is improved; because the heat dissipation holes 1215 on the cover plate 1214 are easy to accumulate dust during long-term use, and the heat dissipation holes 1215 are easy to be blocked when more dust exists, so that poor heat dissipation inside the control cabinet and damage to the electronic device 200 are easy to occur, the cover plate 1214 is arranged to be detachably connected with the first side plate 1211 and the second side plate 1213, and the cover plate 1214 can be independently detached from the casing body 121, so that a worker can clean the cover plate 1214 at regular intervals, the heat dissipation effect of the control cabinet is ensured, and meanwhile, the other parts of the casing 120 are not required to be detached, and the operation is simple.

In some embodiments, as shown in fig. 1-8, the control cabinet further includes a handle 130, the handle 130 is connected to the cabinet 120, and the cabinet 120 is provided with a reinforcement 131 at a region where the handle 130 is connected.

As shown in fig. 1 to 8, the handle 130 is installed at the position of the first side plate 1211 near the top plate 1212 and the position of the second side plate 1213 near the top plate 1212, the handle 130 may be formed by bending a strip-shaped structure twice, and the handle 130 may also have other shape structures.

As shown in fig. 3, the reinforcement members 131 may have a rectangular structure, an oval structure, or another shape structure, and the two reinforcement members 131 are respectively located at positions corresponding to the handles 130 inside the first side plate 1211 and corresponding to the handles 130 inside the second side plate 1213, and the two handles 130 are respectively connected to the two reinforcement members 131 by bolts, screws, or other means.

By arranging the handles 130 on the outer sides of the first side plate 1211 and the second side plate 1213, the control cabinet can be conveniently lifted by the hands of a worker, and the physical strength of the worker is saved; through setting up reinforcement 131 in the position that the inboard handle 130 of casing 120 corresponds, can increase the thickness of casing 120 of handle 130 and casing 120 junction to improve the intensity of the position that corresponds with handle 130 on the casing 120, avoid the position that casing 120 links to each other with handle 130 to take place to warp under the effect of external force, other positions of casing 120 need not to increase thickness simultaneously, can save material and manufacturing cost. The stiffener 131 may be sheet metal.

In some embodiments, as shown in fig. 1-8, the back plate 110 includes a main plate body 111 and a flange 113.

As shown in fig. 4, a connection structure 112 is disposed on the back surface of the main board body 111, the electronic device 200 is mounted on the front surface of the main board body 111 and connected to the connection structure 112, the back surface of the main board body 111 is an end surface of the main board body 111 away from the casing 120, the front surface of the main board body 111 is an end surface of the main board body 111 close to the casing 120, and the connection structure 112 may be a back plate 110 nut disposed on the back surface of the main board body 111.

As shown in fig. 4, a plurality of back plate 110 nuts may be disposed, and the plurality of back plate 110 nuts are disposed on the back plate 110 at intervals, and the plurality of back plate 110 nuts are respectively located at positions corresponding to the mounting positions of the electronic devices 200 on the back surface of the back plate 110.

As shown in fig. 1-8, the flange 113 is connected to the edge of the main board 111, two sides of the main board 111 corresponding to the first side plate 1211 and the second side plate 1213 are connected with the flange 113, the flange 113 is turned over towards the direction away from the casing 120 relative to the main board 111, the cross section of the flange 113 can be in an L-shaped structure, or can be in a ladder structure or other shape structure, a first section of the flange 113 is connected with and vertical to the main board 111, the height of the first section of the flange 113 is greater than that of the connecting structure 112, and a second section of the flange 113 is parallel to the main board 111 and protrudes outwards relative to two sides of the main board 111 corresponding to the first side plate 1211 and the second side plate 1213.

As shown in fig. 1 to 8, the casing 120 is detachably connected to the flange 113, a casing fixing frame 140 is disposed at a position, close to the back, of the outer sides of the first side plate 1211 and the second side plate 1213, the casing fixing frame 140 is also in an L-shaped structure, one end of the casing fixing frame 140 is connected to the corresponding first side plate 1211 or the second side plate 1213, and when the casing 120 is connected to the back plate 110, the other end of the casing fixing frame 140 is overlapped with the second section of the flange 113 of the back plate 110 and is connected to the second section by bolts, screws or other means.

As shown in fig. 1 to 8, the flange 113 is provided with an assembling structure 1131 for installing the control cabinet, the assembling structure 1131 may be two waist-shaped holes formed on the second section of the flange 113, or may be other numbers and other forms of assembling structures 1131, the two waist-shaped holes are spaced apart along the length direction of the flange 113, and the position of the shell fixing frame 140 corresponding to the assembling structure 1131 on the flange 113 is also provided with a waist-shaped hole.

As shown in fig. 1-8, rounded corners are formed at both ends of the flange 113 in the length direction, so as to avoid the situation that the corners of the flange 113 are too sharp to cause the staff to be scratched by the corners of the flange 113 when carrying, installing or dismantling the back plate 110.

In the actual implementation process, the shell 120 and the back plate 110 are connected through the shell fixing frame 140 and the flange 113, and the whole installed control cabinet is connected with bolts and screws at the designated positions through waist-shaped holes in the shell fixing frame 140 and the flange 113 in a matching manner.

Through setting up turn-ups 113, for the inside sunken mainboard body 111 of turn-ups 113 to casing 120 and set up in the connection structure 112 of mainboard body 111 back, and the height that highly is greater than connection structure 112 of turn-ups 113 first section can make connection structure 112 not bulge in turn-ups 113 to improve backplate 110's neatly nature, can ensure simultaneously that the second section of turn-ups 113 can be laminated completely with the wall of appointed position or other installation face, thereby improve the holistic installation stability of switch board.

In some embodiments, as shown in fig. 1, 2 and 5, the control cabinet further includes a grounding member 500, at least part of the grounding member 500 is disposed outside the back plate 110 for electrically connecting to a field grounding point, and a grounding wire of the electronic device 200 is connected to the grounding member 500.

As shown in fig. 1, 2 and 5, the grounding member 500 may be a grounding bar, and the grounding member 500 is made of a copper material, i.e., the grounding member 500 may be a grounding copper bar.

In the actual implementation process, the electronic device 200 inside the control cabinet and the grounding wire of the board card are electrically connected with the grounding copper bar, the grounding wire of the power wire of the incoming and outgoing wire outside the control cabinet is also electrically connected with the grounding copper bar, and meanwhile, the grounding copper bar is electrically connected with the field grounding point through a cable.

In the related art, the grounding of the electronic device 200 and the board inside the control cabinet is usually realized through the shell of the control cabinet, but the shell is made of an iron plate, so that the impedance is high, the problem that the performance is affected due to unreliable grounding of the board and the electronic device 200 often occurs, meanwhile, plastic spraying is needed on some shells, and the plastic powder insulation causes the failure of grounding through the shell.

According to the control cabinet provided by the embodiment of the application, through the grounding piece 500, the grounding wire of the electronic device 200 in the control cabinet, the grounding wire of the board card and the grounding wire of the power wire entering and exiting from the control cabinet are connected to the site grounding point through the grounding piece 500, and the grounding piece 500 is a grounding copper bar, so that the grounding reliability of each component can be improved due to the fact that the grounding piece 500 is a grounding copper bar and the conductivity and the impedance are small.

In some embodiments, as shown in fig. 5, the grounding member 500 includes a first grounding member 510 and a second grounding member 520, the first grounding member 510 is disposed inside the back plate 110, and the grounding wire of the electronic device 200 is connected to the first grounding member 510; the second grounding member 520 is disposed at the outer side of the back plate 110 and is connected to the first grounding member 510, and the second grounding member 520 is used for electrically connecting to a site grounding point.

As shown in fig. 5, the first grounding member 510 is mounted at the upper end of the inner side of the back plate 110, and the first grounding member 510 is located at the inner side of the casing 120, and the grounding wires of the electronic devices 200 and the board card in the control cabinet are electrically connected to the first grounding member 510.

As shown in fig. 5, the second grounding member 520 is mounted on the upper outer end of the back plate 110, the second grounding member 520 is electrically connected to the first grounding member 510, and at the same time, the second grounding member 520 is connected to the first grounding member 510 by bolts, screws or other means, the ground wire of the power line of the external inlet/outlet line of the control cabinet is electrically connected to the second grounding member 520, and the second grounding member 520 is electrically connected to the site grounding point by a cable.

Through setting up the first connecting piece 360 and the second connecting piece 360 of hard connection in an organic whole, can improve the ground connection reliability of electronic device 200, integrated circuit board and outside business turn over line, the inside and outside ground connection of switch board is unified simultaneously, can simplify the earthing operation, the staff of being convenient for implements the earthing operation.

In some embodiments, the back plate 110 is provided with a notch where the first ground 510 and the second ground 520 contact.

The upper end of the main board 111 of the back board 110 is provided with a notch, the first grounding member 510 is located in the notch, the second grounding member 520 is located at the outer side of the back board 110, and the second grounding member 520 is connected by a bolt, a screw or other means, and the first grounding member 510 contacts with the second grounding member 520 in the notch.

By providing the first grounding member 510 and the second grounding member 520 to contact at the notch of the back plate 110, the connection reliability between the first grounding member 510 and the second grounding member 520 can be improved, further improving the grounding reliability of each component.

The following describes the arrangement and the structure of the display device 300 in the control cabinet according to the embodiment of the present application.

In some embodiments, as shown in fig. 1, 3, and 6-10, the control cabinet further includes a display device 300, the housing 120 is provided with an opening 123, and an indication area 310 of the display device 300 is exposed at the opening 123.

As shown in fig. 1, 3, and 6-10, the part of the display device 300 except for the UCMP plate 391 (Unintended car movement protection system, accidental movement protection system) in the interior is a man-machine interaction part of the control cabinet, the display device 300 is mounted in the control cabinet, the door 122 of the casing 120 is provided with an opening 123 at a position corresponding to the display device 300, the size and shape of the opening 123 are the same as those of the display device 300, for example, the display device 300 is in a rectangular structure as a whole, the opening 123 is also in a rectangular structure, and when the door 122 is closed, the front end face of the display device 300 passes through the opening 123 of the door 122 and protrudes outwards relative to the front surface of the door 122.

As shown in fig. 9, the indication area 310 of the display apparatus 300 is an area for indicating the operation state of each electronic device 200, and the indication area 310 may display the operation state of each electronic device 200 through a light, for example, when the light is green, the electronic device 200 corresponding to the light is in a normal operation state, and when the light is red, it indicates that the electronic device 200 corresponding to the light stops working or fails, or displays the operation state of the electronic device 200 in other forms.

As shown in fig. 9 and 10, the display device 300 may include a button board 380, a display board 390, a change-over switch 343, a transparent board 342, an emergency stop button 344 and keys 345, where the change-over switch 343 and the emergency stop button 344 may be arranged side by side, or may be arranged in other manners, the keys 345 are provided in a plurality, the plurality of keys 345 respectively correspond to different functions, and the plurality of keys 345 are arranged in the same area, and the indication area 310 may be arranged on two sides of the keys 345, or may be arranged in other positions.

When the door 122 is closed, the front end of the display device 300 passes through the opening 123 of the door 122, and the indication area 310, the switch 343, the transparent plate 342, the scram button 344 and the keys 345 of the display device 300 are exposed at the opening 123.

The emergency stop button 344 is electrically connected with the elevator safety loop through a wire harness to realize the stop of the elevator in an emergency state; the change-over switch 343 is electrically connected with the corresponding electronic device 200 through a wire harness to realize the conversion of different working states of the elevator, and is usually switched to an emergency electric mode when a fault or maintenance occurs, a worker can manually adjust the elevator through the keys 345 on the display device 300, the keys 345 are electrically connected with the button plate 380 and the display plate 390, the button plate 380 and the display plate 390 are electrically connected with the corresponding electronic device 200 through a wire row, and the button plate 380 and the display plate 390 can transmit signals to the corresponding electronic device 200 so as to realize the execution of man-machine interaction instructions.

Through setting up opening 123 at door 122, and exposing indication area 310, change over switch 343, transparent board 342, scram button 344 and button 345 of display device 300 at opening 123, the staff of can be convenient for obtain the operating condition of the inside electronic device 200 of switch board and debug, maintain or change electronic device 200 through display device 300.

In actual implementation, as shown in fig. 1, 3, and 6-8, the control cabinet further includes a spacer 150, the spacer 150 is disposed spaced apart from the back plate 110, and the electronic device 200 is disposed between the spacer 150 and the back plate 110, and the display device 300 is mounted on the spacer 150.

As shown in fig. 1, 3 and 6-8, the partition 150 is disposed parallel to the back plate 110 and spaced apart from the back plate, one end of the partition 150 is connected to the mounting bracket of the electronic device 200, and the other end of the partition 150 is connected to the first side plate 1211 of the housing 120, i.e., the partition 150 is supported and fixed by the mounting bracket of the electronic device 200 and the first side plate 1211 of the housing 120.

As shown in fig. 1, 3 and 6-8, the electronic device 200 is mounted on the side of the back plate 110 near the casing 120 and is located on the back of the partition 150, and the control cabinet further includes a gateway 370, where the display device 300 and the gateway 370 are mounted on the partition 150.

In the actual execution process, a worker can acquire the working state of the electronic device 200 and debug, maintain or replace the electronic device 200 through the exposed display device 300; if the gateway 370 fails, the operator can repair the gateway 370 after opening the door 122.

Through setting up baffle 150, can install the device that needs often debug and operate in the switch board on baffle 150, then the staff can directly operate outside the switch board, perhaps only need open door 122 can operate the device, convenient operation is simple, and baffle 150 can keep apart electronic device 200 and external environment simultaneously, avoids when opening door 122 and operates display device 300 or gateway 370 dust or other impurity entering electronic device 200 in influencing the work of electronic device 200.

In some embodiments, as shown in fig. 11-15, the display device 300 includes a PCB card 320, a plurality of light guides 330, and a housing 340.

As shown in fig. 11-15, a plurality of indicator lamps 321 are disposed on the PCB board 320, the plurality of indicator lamps 321 are mounted on two sides of the keys 345 of the display device 300, the light incident surfaces of the plurality of light guide bodies 330 are opposite to the plurality of indicator lamps 321, the light guide bodies 330 may have a columnar structure, and one end surface of the columnar light guide bodies 330 is disposed corresponding to the indicator lamps 321, so that the light emitted by the indicator lamps 321 can be displayed by the light guide bodies 330.

As shown in fig. 11-15, the casing 340 is provided with an indication area 310, the casing 340 is provided with a plurality of light guide holes at the position of the indication area 310, the plurality of light guide holes are arranged in one-to-one correspondence with the plurality of light guide bodies 330, and the other end surface of the light guide body 330 protrudes out of the outer surface of the light guide hole, or the other end surface of the light guide body 330 is flush with the outer surface of the light guide hole.

The housing 340 is provided with a plurality of isolation covers 350 on the back surface of the indication area 310, the plurality of isolation covers 350 define a plurality of isolation cavities 351, each light guide 330 is provided with an isolation cavity 351, and each isolation cover 350 with the light emitting surface of the light guide 330 facing the indication area 310,1 can define 1 or more isolation cavities 351.

As shown in fig. 11-15, the whole isolation cover 350 may be in a rectangular structure, a circular structure or other shape structures, the end surface of the isolation cover 350 close to the PCB board 320 is concavely provided with a groove inwards, the groove forms an isolation cavity 351, the light guide hole is arranged on the bottom surface of the groove, and the groove may be a rectangular groove, or a circular groove or other shape groove.

In the actual implementation process, when the light guide body 330 is installed, the light guide body 330 is inserted into the isolation cavity 351 of the isolation cover 350, the light emitting surface of the light guide body 330 is arranged in the corresponding light guide hole, the PCB board 320 is installed inside the housing 340, the indicator lamp 321 on the PCB board 320 is arranged corresponding to the light emitting surface of the light guide body 330, when the indicator lamp 321 is turned on, the light source diverges from the light emitting surface of the light guide body 330 to the light emitting surface of the light guide body 330, and at this time, a worker can directly observe the light color and state of the indicator lamp 321 outside the housing 340.

According to the display device 300 of the control cabinet provided by the embodiment of the application, the two adjacent light guide bodies 330 can be separated by the wall surface of the isolation cavity 351 through the isolation cover 350 and the isolation cavity 351, and the light emitting surfaces of the two adjacent light guide bodies 330 are not interfered with each other, so that the possibility of light crosstalk between the two adjacent light guide bodies 330 is reduced.

In some embodiments, as shown in fig. 11-15, the end surfaces of the plurality of shields 350 facing away from the indicator region 310 are flush with each other.

As shown in fig. 11-15, the wall surface of the isolation cavity 351 is greater than or equal to the height of the light guide body 330, that is, the light guide body 330 after being installed is completely located in the isolation cavity 351, and if 1 isolation cover 350 defines a plurality of isolation cavities 351, two adjacent light guide bodies 330 are separated by the wall surface of the isolation cavity 351.

As shown in fig. 11-15, the end faces of the plurality of isolation covers 350 facing away from the indication area 310 may be flush with the end faces of the PCB board cards 320 facing the isolation covers 350, i.e. after the PCB board cards 320 and the light guide bodies 330 are installed, the end faces of the isolation covers 350 facing away from the indication area 310 are attached to the end faces of the PCB board cards 320 facing the isolation covers 350, and at this time the light guide bodies 330 are completely separated by the isolation covers 350.

Through setting the terminal surfaces that a plurality of cage 350 deviate from indicating area 310 to parallel and level each other, can make cage 350 and PCB integrated circuit board 320 cooperation wrap up a plurality of light guide bodies 330 alone, that is, set up a plurality of light guide bodies 330 in a solitary region respectively, further avoid taking place the light string between two adjacent light guide bodies 330.

In some embodiments, as shown in fig. 11-15, the display device 300 further includes a plurality of connectors 360, the connectors 360 have a first mounting structure 361 and a plurality of mounting positions, each light guide 330 is mounted with a mounting position, each shielding cover 350 has a plurality of shielding cavities 351, the plurality of connectors 360 are in one-to-one correspondence with the plurality of shielding covers 350, the housing 340 is provided with a plurality of second mounting structures 341, and the first mounting structure 361 is connected with the second mounting structures 341.

As shown in fig. 11-15, each connecting member 360 has 1 first mounting structure 361 and a plurality of mounting positions, each shielding cage 350 has a plurality of shielding cavities 351 along the height direction of the housing 340, and the number of mounting positions is the same as the number of shielding cavities 351, for example, the shielding cage 350 has 4 shielding cavities 351, and then the connecting member 360 also has 4 mounting positions, and the shielding cage 350 may also have a plurality of shielding cavities 351 along the length direction or other directions of the housing 340.

In the actual implementation process, the 4 light guide bodies 330 are installed in one-to-one correspondence with the 4 installation positions on the same connecting piece 360, and the 4 light guide bodies 330 installed on the same connecting piece 360 are installed in one-to-one correspondence with the 4 isolation cavities 351 of the same isolation cover 350, and the connecting piece 360 is connected with the second installation structure 341 on the shell 340 through the first installation structure 361.

By providing each of the spacers 350 with a plurality of spacer cavities 351 and a plurality of mounting locations on the connector 360, a plurality of light guides 330 can be mounted on the housing 340 through one connector 360, and the operation is simple and convenient, and the mounting efficiency can be improved.

In some embodiments, as shown in fig. 11-15, the connecting member 360 includes a connecting rib 362, where the plurality of mounting positions and the first mounting structure 361 are connected by the connecting rib 362, and each isolation cavity 351 in the isolation cover 350 is provided with an avoidance port 352, and the connecting rib 362 penetrates through the avoidance port 352.

As shown in fig. 11-15, the plurality of mounting positions are spaced apart along the length direction of the housing 340, and the plurality of connection ribs 362 are also spaced apart along the length direction of the housing 340, and the end surface of the isolation cavity 351, which is close to the second mounting structure 341, is provided with the avoidance opening 352.

When the connecting piece 360 and the light guide body 330 are installed, the plurality of light guide bodies 330 are installed in one-to-one correspondence with the plurality of installation positions, the light guide body 330 is inserted into the isolation cavity 351 after the light guide bodies 330 are installed and the installation positions, meanwhile, the plurality of connecting ribs 362 are installed in one-to-one correspondence with the avoidance openings 352 of the plurality of isolation cavities 351, when the assembly is completed, one ends, connected with the installation positions, of the connecting ribs 362 are located inside the isolation cavity 351, and one ends, connected with the first installation structures 361, of the connecting ribs 362 penetrate through the avoidance openings 352 and are arranged outside the isolation cover 350.

By providing the connection rib 362, the fixing reliability of the light guide 330 can be improved, and the strength of the connection member 360 can be improved.

In some embodiments, as shown in fig. 11-15, the width of the relief port 352 tapers in a direction toward the indicator region 310.

11-15, the whole avoidance port 352 may be in a trapezoid structure, or may be in a V-shape or other shape structure, the upper bottom of the trapezoid avoidance port 352 is close to the indication area 310, the lower bottom of the trapezoid avoidance port 352 is far away from the indication area 310, and the minimum width of the avoidance port 352 may be smaller than or equal to the width of the connecting rib 362.

In the actual implementation process, when the connecting piece 360 is installed, the connecting piece 360 is moved so that the connecting rib 362 moves from one end of the escape opening 352 away from the indication area 310 to one end of the escape opening 352 close to the indication area 310, that is, the connecting rib 362 moves from one end of the escape opening 352 with a larger width to one end with a smaller width, and when the connecting rib 362 is located at a position of the escape opening 352 with a minimum width, the width of the connecting rib 362 is greater than or equal to the minimum width of the escape opening 352, so that the connecting rib 362 is clamped by two side wall surfaces of the escape opening 352 at this time.

Through setting the width of dodging the mouth 352 to become gradually smaller along the direction that is close to the indication area 310, can be convenient for the removal of connecting rib 362 when connecting rib 362 is in the great position of dodging the mouth 352 width, can utilize the both sides wall clamp connecting rib 362 of dodging the mouth 352 when connecting rib 362 is in the minimum position of dodging the mouth 352 width to improve the fixed reliability of connecting rib 362.

In some embodiments, as shown in fig. 11-15, the cavity wall of the isolation cavity 351 is provided with a limit groove 353, and the outer wall of the mounting location is matched with the limit groove 353.

As shown in fig. 11-15, the shape of the limit groove 353 is the same as the shape of the corresponding part of the outer wall of the mounting position, and the width of the outer wall of the mounting position is larger than the width of the isolation cavity 351, when the light guide body 330 is mounted in the isolation cavity 351, the mounting position and the light guide body 330 are mounted in the isolation cavity 351 together, and the setting of the limit groove 353 can enable the mounting position to be completely located in the isolation cavity 351, and meanwhile, the outer wall of the mounting position is attached to the inner wall of the limit groove 353.

Through setting up spacing groove 353, when guaranteeing that the installation position can install in keeping apart the chamber 351, the accessible spacing groove 353 restriction installation position is in the ascending degree of freedom of casing 340 height, and then the degree of freedom of limit light guide 330 to avoid light guide 330 to appear crookedly in the installation.

In some embodiments, as shown in fig. 11-15, the connecting rib 362 includes a connecting main section 3621 and a plurality of connecting branch sections 3622, the connecting main section 3621 extends along a distribution direction of the plurality of isolation cavities 351 of the isolation cover 350 and is located outside the isolation cavities 351, and the first mounting structure 361 is provided on the connecting main section 3621; the plurality of connecting branch sections 3622 are connected with the connecting main section 3621 at intervals, and the end, away from the connecting main section 3621, of each connecting branch section 3622 is provided with a mounting position, and the connecting branch sections 3622 penetrate through the avoiding openings 352.

As shown in fig. 11-15, the connection main section 3621 extends from the first mounting structure 361 along the height direction of the housing 340 toward two sides, the connection branch section 3622 is disposed along the length direction of the housing 340, one end of the connection branch section 3622 is connected to the connection main section 3621, the other end of the connection branch section 3622 is provided with a mounting position, and the connection branch sections 3622 are disposed at intervals along the extending direction of the connection main section 3621.

By the arrangement of the connecting main section 3621 and the connecting branch section 3622, enough positions can be provided for the installation of a plurality of light guide bodies 330, and meanwhile, the strength of the connecting piece 360 can be further improved, so that the fixing reliability of the light guide bodies 330 is further improved.

In some embodiments, as shown in fig. 11-15, the second mounting structure 341 includes a mounting post disposed adjacent the cage 350, and the first mounting structure 361 includes a mounting hole through which the mounting post extends.

As shown in fig. 11-15, the inner side of the housing 340 is provided with mounting posts beside the end surface of each shielding cover 350 having the avoiding opening 352, and the second mounting structure 341 further includes a plurality of supporting members disposed on the outer periphery of the mounting posts, where the height of the supporting members is the same as the distance from the inner surface of the housing 340 to the bottom of the limiting slot 353.

As shown in fig. 11-15, the mounting hole is provided on the connecting member 360, and when the first mounting structure 361 and the second mounting structure 341 are connected, the mounting hole is moved toward the mounting post, so that one end of the mounting post, which is not connected to the housing 340, is inserted into the mounting hole, and the mounting hole is continuously moved until the end surface of the mounting hole, which is close to the housing 340, is attached to the supporting member, and at this time, the connecting member 360 is entirely parallel to the housing 340.

The first mounting structure 361 is set as a mounting hole, the second mounting structure 341 is set as a mounting column, the mounting mode is simple, the structure is simple, the mounting efficiency of the display device 300 can be improved to a certain extent, and the connecting piece 360 is in a balanced state through the support piece, so that the situation that the light guide body 330 is inclined is further avoided.

In some embodiments, as shown in fig. 11-15, the connector 360 has a plurality of sleeves 363, the sleeves 363 defining mounting locations.

As shown in fig. 11-15, the end of each connecting branch segment 3622 far away from the connecting main segment 3621 is provided with a sleeve 363, a through hole is arranged in the sleeve 363 along the height direction of the sleeve 363, the through hole is a mounting position, and the diameter of the through hole can be slightly larger than or equal to the diameter of the light guide body 330.

When the light guide 330 is mounted in the mounting position, the light guide 330 is inserted into the through hole of the sleeve 363, and the sleeve 363 is entirely located at the middle portion of the light guide 330.

By defining the mounting position by the sleeve 363, the structure is simple and the mounting reliability is high, and the operation of mounting the light guide 330 is simple, so that the mounting efficiency of the display device 300 can be further improved.

The following describes the arrangement of the electronic device 200 in the control cabinet according to the embodiment of the present application.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the control cabinet includes a cabinet body 100, a power panel assembly 210, a drive panel assembly 230, and a module panel assembly 220.

As shown in fig. 2, 5-8, and 16-19, the cabinet 100 includes the chassis 120 and the back plate 110 of any one of the foregoing embodiments, and the electronic device 200 includes a power board assembly 210, a driving board assembly 230, and a module board assembly 220, where the power board assembly 210, the driving board assembly 230, and the module board assembly 220 are sequentially arranged along a first direction, and the first direction is parallel to a back surface (the back plate 110) of the cabinet 100, for example, the first direction is parallel to a length direction of the back plate 110, and the power board assembly 210, the driving board assembly 230, and the module board assembly 220 are sequentially arranged along the length direction of the back plate 110 from bottom to top.

Through directly setting up power strip subassembly 210, drive plate subassembly 230 and module board subassembly 220 in the cabinet body 100, can select suitable mounting means with power strip subassembly 210, drive plate subassembly 230 and module board subassembly 220 according to the shape and the interior space of switch board, for installing independent converter in the space utilization in the cabinet body 100 higher, can not restrict the form of switch board, power strip subassembly 210, drive plate subassembly 230 and module board subassembly 220 arrange in order along the direction parallel with backplate 110 simultaneously, realize flattening overall thickness of electronic device 200 can be reduced, thereby applicable in narrow and small space's scene, power strip subassembly 210, drive plate subassembly 230 and module board subassembly 220 are assembled together again after being assembled alone in addition, the assembly is simple.

According to the control cabinet provided by the embodiment of the application, through the arrangement of the power panel assembly 210, the driving panel assembly 230 and the module panel assembly 220, the space utilization rate of the control cabinet can be improved, the overall size of the control cabinet is reduced, the assembly is simple, and meanwhile, the application range of the control cabinet can be enlarged.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the electronic device 200 includes a main control board assembly 240, the main control board assembly 240 is disposed opposite to the drive board assembly 230 in parallel and spaced apart, and the main control board assembly 240 is disposed on a side of the drive board assembly 230 facing away from the back plate 110.

As shown in fig. 2, 5-8, and 16-19, the main control board assembly 240 includes a main control board 241 and an electronic device 200 mounted on the main control board 241, the driving board assembly 230 includes a driving board 231 and a pre-charging board 232, the power board assembly 210 includes a power board 213 and a capacitor board 212, and the module board assembly 220 includes a module board 221 and a heat sink 222.

As shown in fig. 2, 5-8, and 16-19, the control cabinet may be divided into a driving part, a control part, a power supply part, and a man-machine interaction part according to the working principle, where the driving part is formed by the driving board assembly 230, the module board assembly 220, and the capacitor board 212 in the power board assembly 210; the main control board assembly 240, the UCMP board 391 in the display apparatus 300 constitute a control section; the power board 213 in the power board assembly 210 constitutes a power supply portion; the parts of the display device 300 other than the UCMP panel 391 constitute a human-computer interaction part.

As shown in fig. 2, 5-8, and 16-19, the power supply portion draws power from the input three-phase ac power of the drive plate 231 and converts it to power at various voltage levels to power various portions within the drive plate assembly 230.

As shown in fig. 2, 5-8 and 16-19, the control part takes electricity from the power supply part through a wire harness, the main control board 241 is the core of the control part, and the main control board 241 realizes the control functions of the elevator traction machine, such as lifting, descending, stopping door opening, stability, shock absorption and the like, of the elevator car by controlling the driving part.

UCMP plate 391 in the control part is connected with the elevator safety loop, the car and the main control board 241 through the wire harness to realize the function of opening the door in advance: when the elevator normally operates and enters the door zone, the normally open contact of the relay is closed, the door lock 1222 loop is shorted until the elevator is flat, all output contactors are released, the function of opening the door in advance is completed, and the door opening efficiency can be improved.

UCMP plate 391 also can realize the unexpected motion protection function of car: when the car accidentally moves or leaves the car, the DZ7_EN signal or the DZ8_EN signal is invalid, the relay coil is deenergized, the normally open contact is disconnected, the door lock 1222 loop is disconnected, and the elevator stops running.

UCMP plate 391 may also perform a re-leveling function: the elevator is operated to a leveling position to open the door, for example, the elevator car is moved upwards or downwards due to the change of the load in the elevator car, and when the system detects that the moving distance of the elevator car exceeds a certain value, generally 10mm-20mm, the system performs the re-leveling function.

UCMP plate 391 may also implement a gate or hoistway door shorting detection function: when the door is opened, the MCU (Microcontroller Unit, microcontroller) controls the UCMP plate 391 to act, and the corresponding short circuit position is judged through the detection of the front door lock 1222, the detection of the rear door lock 1222 and the detection of the total door lock 1222.

The main control board assembly 240 and the driving board assembly 230 are oppositely arranged in parallel along the width direction of the shell 340 at intervals, the driving board assembly 230 is arranged on the side surface of the back plate 110, which is close to the shell 120, the main control board assembly 240 is arranged on one side of the driving board assembly 230, which is far away from the back plate 110, and the main control board assembly 240 is connected with the driving board assembly 230 through the main control bracket 242.

Because the overall thickness of the driving board assembly 230 is smaller, the main control board assembly 240 and the driving board assembly 230 are arranged in parallel and spaced apart from each other along the width direction of the housing 340, so that the space utilization rate inside the cabinet 100 can be improved.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the power panel assembly 210 is disposed parallel to the back surface of the cabinet 100 (back panel 110), the drive panel assembly 230 is disposed parallel to the back surface of the cabinet 100 (back panel 110), and the module panel assembly 220 is disposed perpendicular to the back surface of the cabinet 100 (back panel 110).

As shown in fig. 2, 5-8, and 16-19, the power board assembly 210, the driving board assembly 230, and the module board assembly 220 are sequentially disposed from the upper end to the lower end of the back plate 110, the driving board assembly 230 is disposed parallel to the back plate 110, and the main control board assembly 240 is disposed parallel to the driving board 231, i.e., the main control board assembly 240 is also disposed parallel to the back plate 110.

Through with power strip subassembly 210 and drive plate subassembly 230 for backplate 110 parallel arrangement, can reduce the holistic thickness of electronic device 200, thereby realize flattening overall volume that the overall volume of the cabinet body 100 is reduced to make the cabinet body 100 can be applicable to in the narrow space, through setting up module board subassembly 220 perpendicularly for backplate 110, because module board subassembly 220 overall volume is great and electronic device 200 is less, consequently accessible module board subassembly 220 provides certain holding power for drive plate subassembly 230 and main control board subassembly 240.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the drive plate assembly 230 includes a drive plate 231 and a pre-charge plate 232, the pre-charge plate 232 being disposed in parallel with respect to the drive plate 231 and disposed on a side of the drive plate 231 facing away from the back surface (back plate 110) of the cabinet 100.

The cross-sectional area of the driving plate 231 is larger than that of the pre-charging plate 232, the pre-charging plate 232 is mounted on the side of the driving plate 231 facing away from the back plate 110, that is, the pre-charging plate 232 and the driving plate 231 are stacked in the width direction of the cabinet 100, and the pre-charging plate 232 is electrically connected with the driving plate 231 through positive and negative copper studs.

Through setting up precharge board 232 and drive plate 231 stromatolite, can improve the space utilization of switch board, realize hard connection through the copper terminal between precharge board 232 and the drive plate 231 simultaneously, it is higher to the reliability of pencil connection.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the arrangement height of the driving board 231 with respect to the rear surface of the cabinet 100 (the back plate 110) is lower than the arrangement height of the power board assembly 210 with respect to the rear surface of the cabinet 100.

As shown in fig. 2, 5-8, and 16-19, the arrangement height of the power board 213 and the capacitor board 212 of the power board assembly 210 relative to the back plate 110 is higher than the arrangement height of the driving board 231 relative to the back plate 110, the upper end of the pre-charging board 232 is electrically connected to the capacitor board 212 through positive and negative copper terminals, and the lower end of the pre-charging board 232 is electrically connected to the driving board 231 through positive and negative copper terminals, that is, the capacitor board 212, the pre-charging board 232 and the driving board 231 are stacked.

Through setting up capacitive plate 212, precharge plate 232 and drive plate 231 stromatolite, can effectively solve under the small volume condition the condition that drive plate 231 cloth does not go down precharge plate 232, improve the space utilization of switch board, all realize hard connection through the copper double-screw bolt between capacitive plate 212, precharge plate 232 and the drive plate 231 fold simultaneously, can improve holistic connection reliability.

In some embodiments, as shown in fig. 2, 5-8, and 16-19, the main loop terminal 233 of the drive plate assembly 230 is disposed proximate to a side of the module plate assembly 220, and the main loop terminal 233 of the drive plate assembly 230 is connected to the module plate assembly 220 by a rigid connection 360.

The main circuit terminals 233 are copper terminals, and the rigid connection members 360 may be pins, through which the copper terminals are soldered to the module boards 221 of the module board assembly 220.

As shown in fig. 2, 5-8 and 16-19, the main working principle of the driving part is as follows: r, S, T, N three-phase alternating current and zero line are input from a terminal block of the driving plate 231, any one phase of N and R, S, T is connected in parallel to obtain 220V voltage to supply power to the power panel 213, the three-phase alternating current flows through the module board 221 by the copper terminal R, the copper terminal S and the copper terminal T, and the three-phase alternating current is rectified into direct current through a rectification chip on the module board 221; the pre-charging plate 232 mainly protects the whole loop when the control cabinet is started, meanwhile, the pre-charging plate 232 is connected with the capacitor plate 212 in parallel through positive and negative copper studs at the upper part, the capacitor plate 212 mainly functions to reduce voltage fluctuation through discharging to reduce harmonic waves, on the other hand, positive and negative buses are output through positive and negative terminal rows of the driving plate 231 after the positive and negative copper studs at the lower part are electrically connected with the driving plate 231, then a circuit is shared by the input and output of the pre-charging plate 232 through the positive and negative copper bars, and the negative copper bars are connected in parallel with the positive copper bars and flow through the module plate 221, and direct current is inverted into three-phase alternating current through an inverter chip of the module plate 221; then, the current flows through the U terminal row, the V terminal row and the W terminal row on the upper part of the driving plate 231 on the driving plate 231 through the copper terminal U, the copper terminal V and the copper terminal W to be output; the B-phase current flows out from the brake chip on the module board 221, passes through the driving board 231 after passing through the copper terminal B, and is output through the B-terminal block at the lower part of the driving board 231.

By connecting the main loop terminal 233 of the driving part with the module board 221 using the rigid connection member 360, the reliability of the connection between the driving board 231 and the module board 221 can be improved.

In some embodiments, as shown in fig. 20-22, the electronic device 200 includes a first circuit board and a second circuit board disposed in parallel spaced apart relation, the control cabinet further includes a connection board 400, the connection board 400 is disposed vertically with respect to the first circuit board, and the first circuit board and the second circuit board are electrically connected by the connection board 400.

As shown in fig. 20-22, the electronic device 200 includes a main control board assembly 240, and a power board assembly 210, a driving board assembly 230, and a module board assembly 220 sequentially arranged along a first direction, where the first direction is parallel to the back plate 110, the first circuit board may be a main control board 241 of the main control board assembly 240, the second circuit board may be a driving board 231 of the driving board assembly 230, the main control board 241 and the driving board 231 are arranged parallel to the back plate 110, and the main control board 241 is arranged on a side of the driving board 231 facing away from the back plate.

The connection board 400 may be a PCB board, and a circuit connected between the main control board 241 and the driving board 231 may be disposed on the connection board 400, and a first end of the connection board 400 is connected to the main control board 241 and a second end is connected to the driving board 231.

The first circuit board and the second circuit board are electrically connected through the connection board 400, and are higher in reliability with respect to connection through the wire harness, and simultaneously, are smaller in space occupied with respect to connection only with the hard connector, and are simple in structure and connection mode.

In some embodiments, as shown in fig. 20-22, one of the first end of the connection board 400 and the first circuit board is provided with a female strip 2411, the other is provided with a bent male strip 410 plugged into the female strip 2411, and the second end of the connection board 400 is provided with a bent pin soldered with the second circuit board.

As shown in fig. 20-22, the first circuit board may be a main control board 241 in the main control board assembly 240, the second circuit board may be a driving board 231 in the driving board assembly 230, a female socket 2411 is disposed on a side of the main control board 241 close to the driving board 231, an angled male socket 410 is disposed on an end of the connecting board 400 far away from the driving board 231, an angled welding needle 420 is disposed on an end of the connecting board 400 close to the driving board 231, the connecting board 400 is welded with the driving board 231 through the angled welding needle 420, and the connecting board 400 is electrically connected with the female socket 2411 of the main control board 241 through the angled male socket 410.

As shown in fig. 20-22, during installation, after the connection board 400 is welded to the driving board 231 through the corner welding pins 420, the female plug row 2411 of the main control board 241 is connected to the corner male plug row 410 of the connection board 400.

The connecting plate 400 is connected with the main control board 241 and the driving board 231 through the bent pin row 410 and the bent pin 420 respectively, so that the main control board 241 and the driving board 231 can be connected through hard connection while the electric connection between the main control board 241 and the driving board 231 is realized, and the connection reliability is higher.

In some embodiments, as shown in fig. 6-8, 16, and 17, at least a portion of the electronic device 200 defines at least two air ducts with the chassis 120 and/or the back plate 110, and the chassis 120 is provided with heat dissipation holes 1215 in regions opposite the air ducts.

6-8, 16 and 17, the part of electronic device 200 may define at least two air channels with the chassis 120, the part of electronic device 200 may also define at least two air channels with the back plate 110, the part of electronic device 200 may also define at least one air channel with the chassis 120 and the back plate 110 respectively, the area of the chassis 120 corresponding to each air channel is provided with a heat dissipation hole 1215, the side of the chassis 120 opposite to the heat dissipation hole 1215 may be provided with a first fan 1216 and a second fan 1217, and the first fan 1216 and the second fan 1217 are respectively arranged in one-to-one correspondence with the at least two air channels.

By arranging the air duct and the corresponding heat dissipation holes 1215, the heat dissipation effect of the control cabinet can be improved, the use safety of the electronic device 200 in the control cabinet is ensured, and damage caused by overhigh temperature of the electronic device 200 is avoided.

In some embodiments, as shown in fig. 6-8, 16, and 17, the electronic device 200 includes: the power panel assembly 210 and the module panel assembly 220 are sequentially arranged along a first direction, the first direction is parallel to the back panel 110, the power panel assembly 210 is arranged parallel to the back panel 110, the module panel assembly 220 is arranged perpendicular to the back panel 110, the power panel assembly 210 and the back panel 110 define a first air channel 250, and the module panel assembly 220, the back panel 110 and the casing 120 define a second air channel 260.

6-8, 16 and 17, when the power panel assembly 210 is disposed parallel to the back panel 110, the width of the first air channel 250 defined by the power panel assembly 210 and the back panel 110 is larger, and when the module panel assembly 220 is disposed perpendicular to the back panel 110, the height of the second air channel 260 defined by the module panel assembly 220, the back panel 110 and the casing 120 is larger, the air in the first air channel 250 flows through the first fan 1216, and the air in the second air channel 260 flows through the second fan 1217.

The power panel assembly 210 and the back panel 110 define a first air duct 250, and the module panel assembly 220, the back panel 110 and the chassis 120 define a second air duct 260, so that the first air duct 250 and the second air duct 260 can respectively dissipate heat of different electronic devices 200, thereby enlarging heat dissipation areas of the first air duct 250 and the second air duct 260 and improving heat dissipation effects.

In some embodiments, as shown in fig. 6-8, 16 and 17, the power panel assembly 210 includes a power bracket 211, a capacitor panel 212 and a power panel 213, the power bracket 211 being mounted to the cabinet 100; the capacitor plate 212 is mounted on the power support 211, and the power support 211, the capacitor plate 212 and the cabinet 100 define a first air duct 250; the power panel 213 is mounted on a side of the capacitor panel 212 away from the power bracket 211, and a back surface of the power panel 213 faces the capacitor panel 212.

As shown in fig. 6-8, 16 and 17, the end surface of the power board 213, on which the electronic device 200 is disposed, is a front surface, and vice versa, the capacitor board 212 and the power board 213 are disposed in parallel with the back plate 110, and the capacitor board 212 is disposed apart from the power board 213, the power board 213 is disposed on one side of the capacitor board 212 away from the back plate 110, the two power supports 211 are respectively connected to the capacitor board 212 and the power board 213 on two sides of the back plate 110 in the length direction, a certain gap is provided between the two power supports 211, and the electronic device 200 mounted on the capacitor board 212 is located between the two power supports 211.

As shown in fig. 6 to 8, 16 and 17, the space formed by the capacitor plate 212, the two power brackets 211 and the back plate 110 is the first air duct 250, and the air in the first air duct 250 is flowed by the first fan 1216, so as to radiate heat from the electronic device 200 located in the first air duct 250.

The first air duct 250 is defined by the power supply bracket 211, the capacitor plate 212 and the cabinet body 100, the electronic device 200 on the capacitor plate 212 can be radiated by the first fan 1216, meanwhile, the back surface of the power supply plate 213 faces the capacitor plate 212, the distance between the power supply plate 213 and the capacitor plate 212 can be reduced, so that the heat of the electronic device 200 on the power supply plate 213 can be transferred to the capacitor plate 212, and the first fan 1216 can radiate the heat, so that the quantity of the first fans 1216 can be reduced while the radiating effect is ensured.

In some embodiments, as shown in fig. 6-8, 16, and 17, the module board assembly 220 includes a module board 221, a heat sink 222, and a module board bracket 223, with the front of the module board 221 facing the drive board assembly 230; the heat sink 222 is disposed at the back of the module board 221; the module board 221 is mounted on the cabinet body 100 through a module board bracket 223, the module board bracket 223 is provided with an avoidance hole for the radiator 222 to penetrate, the module board bracket 223 and the cabinet body 100 define a second air channel 260, and the module board bracket 223 separates the module board 221 from the second air channel 260.

As shown in fig. 6-8, 16 and 17, the end surface of the module board 221 provided with the electronic device 200 is a front surface, the front surface of the module board 221 is disposed towards the driving board assembly 230, the back surface of the module board 221 is spaced from the module board support 223, the module board support 223 may have an inverted L-shaped structure or other shape structures, the upper end of the module board support 223 is used for being connected with the partition board 150, and the lower end of the module board support 223 is connected with the back plate 110.

As shown in fig. 6 to 8, 16 and 17, the substrate of the radiator 222 is attached to the back surface of the module board 221, the fins of the radiator 222 are mounted on one side of the module board support 223 away from the module board 221, when the chassis 120 is connected to the back plate 110, the chassis 120 is parallel to the module board 221 and close to the inner wall surface of the module board 221, the module board support 223, and a second air duct 260 is formed between two adjacent fins of the radiator 222, and at this time, the second air duct 260 is separated from the module board 221 by the module board support 223, and air in the second air duct 260 is flowed by the second fan 1217, so as to reduce heat on the module board 221.

The second air duct 260 is defined by the module board support 223 and the cabinet body 100, so that heat dissipation can be performed on the electronic device 200 on the module board 221, the heat dissipation effect is ensured, the module board 221 and the second air duct 260 are separated by the module board support 223, and an independent second air duct 260 can be formed, thereby avoiding the problems of dust accumulation of the module board 221, reduction of service life of the module board 221 and the like caused by air flow in the second air duct 260.

In some embodiments, as shown in fig. 6-8, 16, and 17, the power panel assembly 210 and the module panel assembly 220 are disposed at opposite ends of the back panel 110 facing away in the first direction, respectively.

As shown in fig. 6-8, 16 and 17, the first direction is a direction parallel to the back plate 110, the power panel assembly 210 and the first air duct 250 defined by the power panel assembly are disposed at a first end of the back plate 110 in the first direction, and the module panel assembly 220 and the second air duct 260 defined by the module panel assembly are disposed at a second end of the back plate 110 in the first direction.

Through arranging the power panel assembly 210 and the module panel assembly 220 at the two ends of the back panel 110 deviating in the first direction respectively, the heat sources can be separated from each other, the further temperature rise caused by too close distance of the heat sources is avoided, and meanwhile, the first air duct 250 and the second air duct 260 can be separated from each other, so that two independent heat dissipation air ducts are formed, and the heat dissipation efficiency is improved.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, "a first feature", "a second feature" may include one or more of the features.

In the description of the present application, the meaning of "plurality" is two or more.

In the description of this application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact by another feature therebetween.

In the description of this application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A display device of a control cabinet, comprising:

the PCB board card is provided with a plurality of indicator lamps;

the light incident surfaces of the light guide bodies are opposite to the indicator lamps;

the light guide body is provided with a light guide surface, the light guide surface is provided with a plurality of light guide holes, the light guide holes are arranged on the light guide surface, and the light guide holes are arranged on the light guide surface.

2. The display device of a control cabinet of claim 1, wherein end surfaces of the plurality of covers facing away from the indication area are flush with each other.

3. The display device of a control cabinet according to claim 1 or 2, further comprising:

the light guide body is provided with a plurality of isolation cavities, the isolation covers are arranged on the light guide body, the light guide body is provided with a plurality of isolation covers, the plurality of connection pieces are arranged on the light guide body, the connection pieces are provided with a first installation structure and a plurality of installation positions, each light guide body is provided with one isolation cavity, the plurality of connection pieces corresponds to the isolation covers one to one, and the shell is provided with a plurality of second installation structures, and the first installation structure is connected with the second installation structure.

4. The display device of a control cabinet according to claim 3, wherein the connecting member comprises a connecting rib, the plurality of mounting positions and the first mounting structure are connected through the connecting rib, an avoidance opening is formed in each isolation cavity in the isolation cover, and the connecting rib penetrates through the avoidance opening.

5. The display device of a control cabinet according to claim 4, wherein the width of the escape opening is gradually reduced in a direction approaching the indication area.

6. The display device of a control cabinet according to claim 4, wherein a limiting groove is formed in a cavity wall of the isolation cavity, and an outer wall of the installation position is matched with the limiting groove.

7. The display device of a control cabinet of claim 4, wherein the connection bar comprises:

the connecting main section extends along the distribution direction of a plurality of isolation cavities of the isolation cover and is positioned outside the isolation cavities, and the first mounting structure is arranged on the connecting main section;

the connecting branch sections are spaced apart and connected with the connecting main section, one end, deviating from the connecting main section, of each connecting branch section is provided with the installation position, and the connecting branch sections penetrate through the avoidance openings.

8. A display device of a control cabinet according to claim 3, wherein the second mounting structure comprises a mounting post disposed adjacent the cage, and the first mounting structure comprises a mounting hole through which the mounting post extends.

9. A display device of a control cabinet according to claim 3, wherein the connector has a plurality of sleeves defining the mounting locations.