CN215989928U

CN215989928U - Centrally installed switchgear

Info

Publication number: CN215989928U
Application number: CN202122591612.0U
Authority: CN
Inventors: 曹冬美
Original assignee: ZHEJIANG CHAORUI ELECTRIC CO Ltd
Current assignee: ZHEJIANG CHAORUI ELECTRIC CO Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-08
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a middle-placed cabinet, which comprises a cabinet body and three cavities arranged in the cabinet body, wherein a ventilating partition plate is arranged in the cabinet body, an exhaust port is formed in the top of the cabinet body, a fan is arranged at the bottom of the exhaust port, and a gas collecting hood is arranged at the top of the cabinet body; through the design of ventilative baffle, make between each cavity gaseous can circulate each other, thereby be favorable to putting going on of the inside heat dissipation work of cabinet in, through the first otter board of ventilating, the second otter board of ventilating, third otter board and fan of ventilating, mutually support between the gas collecting channel, can form a complete wind channel in the inside of putting the cabinet in, thereby make external normal atmospheric temperature air can cool down with putting the inside electronic component of cabinet in abundant contact from bottom to top, make put the inside radiating effect of cabinet in better, can avoid putting the inside condition emergence that leads to inside electronic component ageing speed to accelerate that high temperature state leads to for a long time of cabinet in.

Description

Centrally installed switchgear

Technical Field

The utility model relates to the technical field of centrally installed switchgear, in particular to a centrally installed switchgear.

Background

The centrally installed switchgear is mainly used for power plant, power transmission of small and medium-sized generators, power distribution of industrial and mining enterprises, power receiving and transmission of secondary substation of power system, starting of large-scale high-voltage motors, and control, protection and detection. Put the cabinet in the use, its inside electronic components during operation can produce a large amount of heats, under the general condition, can guarantee to put the inside temperature of cabinet in and keep in a normal within range through radiating the thermovent that sets up in putting the cabinet, but when putting the inside electronic components during operation of cabinet excessive heat that produces of too big load, only lean on the thermovent to dispel the heat and can't cool down to putting the inside of cabinet in time, thereby make and put the inside electronic components of cabinet in and be located under the high temperature state for a long time, like this will make electronic components's ageing rate show the acceleration, make and put the inside electronic components's of cabinet life to subtract greatly the weak point, thereby be unfavorable for putting the normal use of cabinet in.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of poor internal heat dissipation effect of the centrally installed switchgear and achieve the purpose of better heat dissipation effect of the centrally installed switchgear, the utility model is realized by the following technical scheme: the utility model provides an in put cabinet, includes the cabinet body and sets up the three cavity at the internal portion of cabinet, the inside of the cabinet body is provided with ventilative baffle, the gas vent has been seted up at the top of the cabinet body, the bottom of gas vent is provided with the fan, the top of the cabinet body is provided with the gas collecting channel, the medial surface of the cabinet body is provided with the control, the medial surface of the cabinet body is provided with first otter board of ventilating, the medial surface of the cabinet body is provided with the second otter board of ventilating, the medial surface of the cabinet body is provided with the third otter board of ventilating, the medial surface of the cabinet body is provided with the motor, the outside of motor is provided with the screw rod, the surface of screw rod sets up the meshing and has first gear, the outside of first gear is provided with the stay cord, the medial surface of the cabinet body is provided with the auxiliary member, the medial surface of the cabinet body is provided with the guide bar.

Furthermore, the number of the breathable partition plates is two, the two breathable partition plates are respectively arranged between the two adjacent cavities, the top of the exhaust port is provided with a protective grid plate, and the gas collecting hood is hemispherical.

Furthermore, the control piece comprises a spiral memory metal strip, a second gear, a rack, a conductive block and a power supply block, the spiral memory metal strip is arranged on the inner side face of the cabinet body, the second gear is arranged at the bottom of the spiral memory metal strip, the rack is meshed with the outer surface of the second gear, the conductive block is arranged outside the rack, and the power supply block is arranged on the inner side face of the cabinet body and can be used for detecting the internal temperature of each cavity inside the centrally-mounted cabinet in real time and controlling the starting of the fan.

Further, the second gear is rotatably connected with the inner side face of the cabinet body, the rack is slidably connected with the inner side face of the cabinet body, an insulating pad is arranged between the conductive block and the rack, and the motor and the fan are coupled with the conductive block.

Furthermore, the first ventilation screen plate, the second ventilation screen plate and the third ventilation screen plate are sequentially arranged from bottom to top and correspond to the three cavities in position, the aperture values of the ventilation holes in the first ventilation screen plate, the second ventilation screen plate and the third ventilation screen plate are sequentially reduced, so that the air flowing speed of the fan is gradually increased from the third ventilation screen plate to the first ventilation screen plate after the fan is started, the first ventilation screen plate and the second ventilation screen plate can have air to flow into the middle cabinet, the situation that the air flow in the third ventilation screen plate is too large to cause that only the cavity at the top end has external normal-temperature air to flow into the middle cabinet for cooling is avoided, and the whole inside the middle cabinet can be cooled.

Furthermore, the first gear is rotatably connected with the inner side face of the cabinet body, the pull rope is slidably connected with the outer surface of the guide rod, and the number, the position and the specification of the auxiliary pieces correspond to the first ventilation screen plate, the second ventilation screen plate and the third ventilation screen plate.

Further, the auxiliary member includes air duct, movable rod, quarter butt, guide plate, spout, top cap, spring, the medial surface of the cabinet body is provided with the air duct, the medial surface of air duct rotates and is connected with the guide plate, the spout has been seted up to the surface of guide plate, the medial surface sliding connection of air duct has the movable rod, the surface of movable rod is provided with the quarter butt, the top of movable rod is provided with the top cap, be provided with the spring between top cap and the air duct, the medial surface sliding connection of quarter butt and spout, stay cord and movable rod fixed connection can make the diffusion range after the external gas inflow more extensive through the luffing motion of guide plate to can carry out the better cooling of effect to the interior cabinet of putting.

The utility model provides a centrally installed switchgear. The method has the following beneficial effects:

1. the middle cabinet can monitor the internal temperature of each cavity in the middle cabinet through the design of the control element, so that active heat dissipation with better effect can be carried out when the heat dissipation is not timely carried out in the middle-placed cabinet, meanwhile, the gas can be mutually circulated among the cavities through the design of the ventilating partition plates, thereby being beneficial to the heat dissipation work inside the centrally installed switchgear, and a complete air duct can be formed inside the centrally installed switchgear through the mutual matching of the first ventilation screen, the second ventilation screen, the third ventilation screen, the fan and the gas-collecting hood, thereby leading the outside normal temperature air to be fully contacted with the electronic elements in the middle-placed cabinet from bottom to top for cooling, leading the heat dissipation effect in the middle-placed cabinet to be better, the aging speed of the internal electronic elements can be accelerated due to the fact that the interior of the centrally installed switchgear is in a high-temperature state for a long time.

2. This in put cabinet, it rotates to drive the screw rod through the motor, make first gear revolve and intermittent type nature drag the stay cord, thereby can reciprocate to drag the movable rod under the guide effect of guide bar, make up and down reciprocating motion of movable rod, consequently under the mutually supporting between spout and quarter butt, the guide plate can be reciprocal swing from top to bottom, make the gas diffusion scope of putting the inside cabinet in the entering more extensive, thereby can be sufficient and put each part contact of the inside of cabinet in and carry out the heat transfer, make in put the inside heat dissipation deceleration of cabinet faster, be favorable to putting going on of cabinet heat dissipation work in.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at D according to the present invention;

FIG. 6 is an enlarged view of E in FIG. 1 according to the present invention.

In the figure: 1. a cabinet body; 2. a cavity; 3. an exhaust port; 4. a fan; 5. a gas-collecting hood; 6. a control member; 61. a spiral memory metal strip; 62. a second gear; 63. a rack; 64. a conductive block; 65. a power supply block; 7. a first vent web; 8. a second vent panel; 9. a third vent panel; 10. a motor; 11. a screw; 12. a breathable partition; 13. a first gear; 14. pulling a rope; 15. an auxiliary member; 151. an air duct; 152. a movable rod; 153. a short bar; 154. a baffle; 155. a chute; 156. a top cover; 157. a spring; 16. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the centrally installed cabinet is as follows:

referring to fig. 1-6, a centrally installed switchgear includes a cabinet 1 and three cavities 2 disposed inside the cabinet 1, the cabinet 1 is provided with two permeable partitions 12, the two permeable partitions 12 are respectively disposed between two adjacent cavities 2, the top of the exhaust port 3 is provided with a protective grid plate, the gas collecting channel 5 is hemispherical, the top of the cabinet 1 is provided with an exhaust port 3, the bottom of the exhaust port 3 is provided with a fan 4, the top of the cabinet 1 is provided with the gas collecting channel 5, the inner side of the cabinet 1 is provided with a control element 6, the control element 6 includes a spiral memory metal strip 61, a second gear 62, a rack 63, a conductive block 64, and a power block 65, the inner side of the cabinet 1 is provided with a spiral memory metal strip 61, the material of the spiral memory metal strip 61 can be selected according to the actual temperature reduction limit temperature required in the centrally installed switchgear, thereby when the temperature in the centrally installed switchgear rises to the limit temperature that needs to be cooled down, the spiral memory metal strip 61 can reach the abnormal temperature and change the state, the bottom of the spiral memory metal strip 61 is provided with the second gear 62, the outer surface of the second gear 62 is meshed with the rack 63, the outside of the rack 63 is provided with the conducting block 64, the inner side of the cabinet body 1 is provided with the power supply block 65, the internal temperature of each cavity 2 in the centrally installed switchgear can be detected in real time and the starting of the fan 4 can be controlled, the second gear 62 is rotationally connected with the inner side of the cabinet body 1, the rack 63 is slidably connected with the inner side of the cabinet body 1, an insulating pad is arranged between the conducting block 64 and the rack 63, and the motor 10 and the fan 4 are both coupled with the conducting block 64.

The inner side surface of the cabinet body 1 is provided with a first ventilation screen plate 7, the inner side surface of the cabinet body 1 is provided with a second ventilation screen plate 8, the inner side surface of the cabinet body 1 is provided with a third ventilation screen plate 9, the first ventilation screen plate 7, the second ventilation screen plate 8 and the third ventilation screen plate 9 are sequentially arranged from bottom to top and correspond to the three cavities 2 in position, the aperture values of the ventilation holes on the first ventilation screen plate 7, the second ventilation screen plate 8 and the third ventilation screen plate 9 are sequentially reduced, so that the air flow speed of the fan 4 is gradually increased from the third ventilation screen plate 9 to the first ventilation screen plate 7 after the fan is started, and therefore, the situation that the air flows into the cabinet through the first ventilation screen plate 7 and the second ventilation screen plate 8 is avoided, the situation that the air flow at the third ventilation screen plate 9 is too large, so that only the inside of the cavity 2 at the top end has the outside normal temperature air to flow for cooling is generated, thereby can realize lowering the temperature the heat dissipation to the inside whole of putting the cabinet in, the medial surface of the cabinet body 1 is provided with motor 10, the outside of motor 10 is provided with screw rod 11, the surface setting meshing of screw rod 11 has first gear 13, the outside of first gear 13 is provided with stay cord 14, first gear 13 rotates with the medial surface of the cabinet body 1 to be connected, stay cord 14 and guide bar 16's surface sliding connection, the quantity of auxiliary member 15, the position, the specification all with first otter board 7 of ventilating, the otter board 8 is ventilated to the second, third ventilation otter board 9 is corresponding.

The inner side surface of the cabinet body 1 is provided with an auxiliary part 15, the inner side surface of the cabinet body 1 is provided with a guide rod 16, the auxiliary part 15 comprises an air duct 151, a movable rod 152, a short rod 153, a guide plate 154, a chute 155, a top cover 156 and a spring 157, the inner side surface of the cabinet body 1 is provided with the air duct 151, the inner side surface of the air duct 151 is rotatably connected with the guide plate 154, the outer surface of the guide plate 154 is provided with the chute 155, the inner side surface of the air duct 151 is slidably connected with the movable rod 152, the outer surface of the movable rod 152 is provided with the short rod 153, the top cover 156 is arranged at the top of the movable rod 152, the spring 157 is arranged between the top cover 156 and the air duct 151, the short rod 153 is slidably connected with the inner side surface of the chute 155, the pull rope 14 is fixedly connected with the movable rod 152, the diffusion range after the outside air flows in can be wider through the up-and-down swing of the guide plate 154, so that the inside of the middle-placed cabinet can be cooled more effectively.

In the using process, when the electronic elements in the middle cabinet generate excessive heat due to overlarge load, the conventional passive heat dissipation holes arranged in the middle cabinet cannot timely reduce the internal temperature, when the internal temperature of the centrally installed switchgear reaches the transformation temperature of the spiral memory metal strip 61, the spiral memory metal strip 61 rotates and carries the second gear 62 to rotate, the second gear 62 rotates to drive the rack 63 to move, the rack 63 can drive the conductive block 64 to move to approach the power block 65 in the moving process, when the conductive block 64 moves to contact with the power supply block 65, the conductive block 64 is powered on and powers on the motor 10 and the fan 4, and the fan 4 starts blowing air outwards after being powered on, so that the internal air pressure of the centrally-mounted cabinet is reduced, under the flow guiding action of the ventilating partition plate 12, outside normal temperature air can enter the interior of the centrally installed switchgear from the first ventilating screen plate 7, the second ventilating screen plate 8 and the third ventilating screen plate 9;

the gas entering the interior of the centrally installed switchgear flows from bottom to top under the action of the drainage of the fan 4, so that a bottom-to-top air channel is formed in the centrally installed switchgear, the gas inside the centrally installed switchgear is replaced more quickly, and the gas absorbs heat in the centrally installed switchgear in the upward flowing process, so that a large amount of heat in the centrally installed switchgear can be taken away by the discharged external gas, the interior of the centrally installed switchgear can be effectively cooled, and the condition that the aging speed of internal electronic elements is remarkably accelerated due to the fact that the heat of the centrally installed switchgear is not timely dissipated because the electronic elements in the centrally installed switchgear are excessively loaded and generate a large amount of heat is avoided;

after the motor 10 is powered on, the screw rod 11 is started and driven to rotate, the screw rod 11 rotates to drive the first gear 13 to rotate, the pull rope 14 can be intermittently pulled in the rotation process of the first gear 13, the pull rope 14 can be driven to move downwards when pulled under the guiding effect of the guide rod 16, the movable rod 152 can be driven to move downwards when moved downwards, the movable rod 152 can be driven to move downwards by the short rod 153, so that under the effect of the chute 155, the guide plate 154 can rotate upwards, the movable rod 152 can be driven to move downwards when moved downwards by the movable rod 152, the spring 157 can be compressed when the top cover 156 moves downwards, when the pull rope 14 does not pull the movable rod 152 any more, under the effect of the resilience force of the spring 157, the movable rod 152 reversely moves and drives the guide plate 154 to reversely rotate, so that the guide plate 154 can vertically and reciprocally swing, and thus, the blowing range of air can be wider when external air enters the interior of the centrally-installed cabinet, thereby can carry out abundant contact with in better and put the inside electronic component of cabinet for put the inside cooling radiating effect of cabinet in better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a put cabinet in, includes the cabinet body (1) and sets up at three cavity (2) of the cabinet body (1) inside, its characterized in that: the improved ventilating cabinet is characterized in that a ventilating partition plate (12) is arranged inside the cabinet body (1), an exhaust port (3) is formed in the top of the cabinet body (1), a fan (4) is arranged at the bottom of the exhaust port (3), a gas collecting hood (5) is arranged at the top of the cabinet body (1), a control piece (6) is arranged on the inner side of the cabinet body (1), a first ventilating screen plate (7) is arranged on the inner side of the cabinet body (1), a second ventilating screen plate (8) is arranged on the inner side of the cabinet body (1), a third ventilating screen plate (9) is arranged on the inner side of the cabinet body (1), a motor (10) is arranged on the inner side of the cabinet body (1), a screw rod (11) is arranged outside the motor (10), a first gear (13) is meshed with the outer surface of the screw rod (11), a pull rope (14) is arranged outside the first gear (13), the inner side of the cabinet body (1) is provided with an auxiliary part (15), and the inner side of the cabinet body (1) is provided with a guide rod (16).

2. The centrally installed switchgear according to claim 1, wherein: the number of the breathable partition plates (12) is two, the breathable partition plates (12) are respectively arranged between the two adjacent cavities (2), the top of the exhaust port (3) is provided with a protective grid plate, and the gas collecting hood (5) is hemispherical.

3. The centrally installed switchgear according to claim 1, wherein: the intelligent cabinet is characterized in that the control part (6) comprises a spiral memory metal strip (61), a second gear (62), a rack (63), a conductive block (64) and a power supply block (65), the spiral memory metal strip (61) is arranged on the inner side face of the cabinet body (1), the second gear (62) is arranged at the bottom of the spiral memory metal strip (61), the rack (63) is meshed with the outer surface of the second gear (62), the conductive block (64) is arranged outside the rack (63), and the power supply block (65) is arranged on the inner side face of the cabinet body (1).

4. A centrally installed switchgear according to claim 3, wherein: the second gear (62) is rotationally connected with the inner side face of the cabinet body (1), the rack (63) is slidably connected with the inner side face of the cabinet body (1), an insulating pad is arranged between the conductive block (64) and the rack (63), and the motor (10) and the fan (4) are both coupled with the conductive block (64).

5. The centrally installed switchgear according to claim 1, wherein: the first ventilation screen plate (7), the second ventilation screen plate (8) and the third ventilation screen plate (9) are sequentially arranged from bottom to top and correspond to the three cavities (2), and the aperture values of the ventilation holes in the first ventilation screen plate (7), the second ventilation screen plate (8) and the third ventilation screen plate (9) are sequentially reduced.

6. The centrally installed switchgear according to claim 1, wherein: the first gear (13) is rotatably connected with the inner side face of the cabinet body (1), the pull rope (14) is in sliding connection with the outer surface of the guide rod (16), and the number, the position and the specification of the auxiliary pieces (15) correspond to the first ventilating screen plate (7), the second ventilating screen plate (8) and the third ventilating screen plate (9).

7. The centrally installed switchgear according to claim 6, wherein: auxiliary member (15) include air duct (151), movable rod (152), quarter butt (153), guide plate (154), spout (155), top cap (156), spring (157), the medial surface of the cabinet body (1) is provided with air duct (151), the medial surface of air duct (151) rotates and is connected with guide plate (154), spout (155) have been seted up to the surface of guide plate (154), the medial surface sliding connection of air duct (151) has movable rod (152), the surface of movable rod (152) is provided with quarter butt (153), the top of movable rod (152) is provided with top cap (156), be provided with spring (157) between top cap (156) and air duct (151), the medial surface sliding connection of quarter butt (153) and spout (155), stay cord (14) and movable rod (152) fixed connection.