CN110867745B - From switch board that cuts off power supply certainly of taking fire control structure - Google Patents
From switch board that cuts off power supply certainly of taking fire control structure Download PDFInfo
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- CN110867745B CN110867745B CN201911208951.7A CN201911208951A CN110867745B CN 110867745 B CN110867745 B CN 110867745B CN 201911208951 A CN201911208951 A CN 201911208951A CN 110867745 B CN110867745 B CN 110867745B
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- cabinet body
- fire
- power distribution
- cabinet
- connecting rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an automatic power-off power distribution cabinet with a fire-fighting structure, which comprises a cabinet body, wherein a temperature sensor is installed at the inner top end of the cabinet body, a supporting block is connected to the surface of the top end of the cabinet body, a threaded rod is connected between the supporting blocks in the same longitudinal direction in a bearing mode, a clamping piece is connected to the outer side of the threaded rod, a transmission gear is connected to the outer side of one end of the threaded rod in a key mode, a toothed plate is connected to the lower portion of the transmission gear in a meshed mode, the lower surface of the toothed plate is connected to the surface of the top end of the cabinet body in. This from outage switch board of taking fire control structure can be convenient for install the fire extinguisher of various models and size, and when the internal conflagration that takes place of cabinet, can automatic power off and put out the conflagration automatically, is favorable to guaranteeing the safe in utilization of this switch board, avoids when nobody guard night, takes place serious incident.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an automatic power-off power distribution cabinet with a fire-fighting structure.
Background
The power distribution cabinet is a box body for configuring circuits with various voltages and currents as the name implies, and various electrical equipment is arranged in the box body so as to configure the circuits meeting the use requirements.
However, in the using process of the existing power distribution cabinet, certain problems still exist, such as:
1. the existing power distribution cabinet does not have the function of self-power-off, because the circuits in the existing power distribution cabinet are complicated and more in electrical equipment, the power distribution cabinet can generate more heat in the using process, if the heat cannot be effectively discharged, a fire disaster easily occurs in the power distribution cabinet, after the fire disaster occurs, the power supply is cut off in the first step, and when no person takes care at night, even if the fire disaster occurs in the power distribution cabinet, no person can quickly cut off the power supply, so that a larger safety accident is easily caused;
2. the existing power distribution cabinet does not have a fire-fighting structure, and after fire occurs inside the existing power distribution cabinet, the fire cannot be effectively extinguished in time, so that great economic loss is caused;
to sum up, the self-powered-off power distribution cabinet with the fire-fighting structure is designed at present to solve the problems.
Disclosure of Invention
The invention aims to provide an automatic power-off power distribution cabinet with a fire-fighting structure, and aims to solve the problem that the conventional power distribution cabinet does not have the fire-fighting structure and the automatic power-off function in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a from auto-power-off switch board of taking fire control structure, includes the cabinet body, temperature sensor is installed at the interior top of the cabinet body, and the top surface of the cabinet body is connected with the supporting shoe, and is same fore-and-aft the bearing is connected with the threaded rod between the supporting shoe, and the outside of threaded rod is connected with the clamping piece, the one end outside key joint of threaded rod has drive gear, and drive gear's below meshing is connected with the pinion rack, the lower surface sliding connection of pinion rack is in the top surface of the cabinet body, and the leading flank of the cabinet body is provided with the constant head tank, and sliding connection has the pull rod in the constant head tank, the top of the cabinet body runs through swing joint and draws the pressure cover, and draws the lower extreme hub connection of pressure cover in the one end of touch plate, the touch plate passes through the connecting axle and, and the lower extreme of connecting rod stretches into in the stay tube, the inboard of stay tube and the outside of connecting rod are connected respectively in compression spring's both ends, the lower extreme of stay tube is connected in the interbedded inner bottom of cabinet body upper end, and the interbedded side-mounting of cabinet body upper end has a power master switch, driving motor is installed to the interbedded inner bottom of cabinet body upper end, and the interbedded internally mounted of cabinet body upper end has a central processing unit, the last axle end key of driving motor of saying is connected with the buckle spare, and the buckle spare card locates the upper surface of plectrum, the top surface of the cabinet body has run through and is responsible for, and is responsible for and runs through cabinet body upper end intermediate layer and be connected.
Preferably, the two ends of the threaded rod are respectively provided with threads with opposite thread turning directions, and the threaded rod is connected with the arc-shaped clamping piece in a threaded connection mode.
Preferably, the structural shape of the tension and compression sleeve is isosceles trapezoid, and the width of the upper end of the tension and compression sleeve is larger than that of the lower end of the tension and compression sleeve.
Preferably, the structural shape of the pull rod is n, the pull rod is inclined to the pulling and pressing sleeve device, and the upper end of the pull rod is in a hook shape.
Preferably, the temperature sensor is electrically connected with the central processing unit, and the central processing unit is electrically connected with the driving motor in a control manner.
Preferably, the connecting shaft is arranged at one end of the touch plate close to the pull-press sleeve, and the ratio of the length of the touch plate at one end of the connecting shaft close to the pull-press sleeve to the length of the touch plate at one end of the connecting shaft far away from the pull-press sleeve is less than 0.2.
Preferably, the connecting rod and the supporting tube are movably connected, and the axes of the connecting rod and the supporting tube are collinear.
Preferably, the main pipe is communicated with the branch pipe, and the opening end of the branch pipe is inclined to the side surface inside the cabinet body.
Preferably, the structure shape of the end, connected with the shifting piece, of the buckle is in a 'C' shape, the 'C' shaped structure is nested on the outer side of the connecting rod, and the opening width of the 'C' shaped structure is larger than the outer diameter of the connecting rod.
Preferably, the power supply main switch is of a warped plate switch type, and the position of the power supply main switch corresponds to the position of the shifting piece.
Compared with the prior art, the invention has the beneficial effects that: this from auto-power-off switch board of taking fire control structure can be convenient for install the fire extinguisher of various models and size, and when the internal conflagration that takes place of cabinet, can auto-power-off and put out the conflagration automatically, is favorable to guaranteeing the safe in utilization of this switch board, avoids when nobody guard night, takes place serious incident:
1. the toothed plate which is connected with the cabinet body in a sliding manner can drive the threaded rod which is connected with the transmission gear through the key to rotate, and the threads with 2 opposite end threads arranged on the threaded rod are respectively in threaded connection with the 2 clamping pieces, so that the 2 clamping pieces can be far away from or close to each other, and fire extinguishers of various models and sizes can be conveniently installed on the power distribution cabinet;
2. the temperature in the cabinet body can be monitored through the temperature sensor, when the central processing unit judges that a fire disaster occurs in the cabinet body through the temperature sensor, the driving motor can be started, the driving motor drives the buckling piece, so that the connection with the shifting piece is disconnected, the shifting piece moves upwards along with the connecting rod under the action of the compression spring, the tilting plate switch type power main switch is shifted, and the power distribution cabinet has the function of self power off;
3. when the connecting rod shifts up, can make the touch board tip of keeping away from the connecting rod position move down, move down with the drive and draw the pressure cover, so that draw the lower extreme that presses the cover to extrude the pull rod earlier, thereby make the pull rod pull out the safety catch, when drawing the pressure cover and continuing to move down, can extrude and press the handle, so that the material of fire extinguisher flows into in being responsible for, and spout in the branch pipe, so that put out the internal conflagration of cabinet, be favorable to guaranteeing the safety in utilization of this switch board, avoid when nobody guards at night, take place serious incident.
Drawings
FIG. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is a partial cross-sectional structural schematic of the present invention;
FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection structure of the connecting rod and the supporting tube according to the present invention;
FIG. 5 is a schematic side sectional view of the cabinet of the present invention;
fig. 6 is a side view of the threaded rod and clip of the present invention.
In the figure: 1. a cabinet body; 2. a support block; 3. a threaded rod; 4. a clip; 5. a transmission gear; 6. a toothed plate; 7. pulling and pressing the sleeve; 8. a pull rod; 9. a temperature sensor; 10. positioning a groove; 11. a connecting shaft; 12. a touch plate; 13. a connecting rod; 14. supporting a tube; 15. a drive motor; 16. a main pipe; 17. a shifting sheet; 18. a fastener; 19. a power supply main switch; 20. a compression spring; 21. a branch pipe; 22. a central processing unit.
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.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic power-off power distribution cabinet with a fire-fighting structure comprises a cabinet body 1, supporting blocks 2, a threaded rod 3, clamping pieces 4, a transmission gear 5, a toothed plate 6, a pulling and pressing sleeve 7, a pull rod 8, a temperature sensor 9, a positioning groove 10, a connecting shaft 11, a touch plate 12, a connecting rod 13, a supporting pipe 14, a driving motor 15, a main pipe 16, a shifting piece 17, a buckling piece 18, a power main switch 19, a compression spring 20, a branch pipe 21 and a central processor 22, wherein the temperature sensor 9 is installed at the inner top end of the cabinet body 1, the supporting blocks 2 are connected to the top end surface of the cabinet body 1, the threaded rod 3 is connected between the supporting blocks 2 in the same longitudinal direction in a bearing mode, the clamping pieces 4 are connected to the outer side of the threaded rod 3, the transmission gear 5 is connected to the outer side of one end of the threaded rod 3 in, a positioning groove 10 is arranged on the front side surface of the cabinet body 1, a pull rod 8 is connected in the positioning groove 10 in a sliding manner, a pulling and pressing sleeve 7 is movably connected at the top end of the cabinet body 1 in a penetrating manner, the lower end of the pulling and pressing sleeve 7 is connected to one end of a touch plate 12 in a shaft manner, the touch plate 12 is connected in an upper end interlayer of the cabinet body 1 through a connecting shaft 11, the other end of the touch plate 12 is connected to the upper end of a connecting rod 13 in a shaft manner, a shifting sheet 17 is fixedly arranged on the connecting rod 13, the lower end of the connecting rod 13 extends into a supporting pipe 14, the inner side of the supporting pipe 14 and the outer side of the connecting rod 13 are respectively connected to two ends of a compression spring 20, the lower end of the supporting pipe 14 is connected to the inner bottom end of the upper end interlayer of the cabinet body 1, a power supply main switch 19, the shaft end key on the driving motor 15 is connected with a buckling piece 18, the buckling piece 18 is clamped on the upper surface of the shifting piece 17, a main pipe 16 penetrates through the top end surface of the cabinet body 1, the main pipe 16 penetrates through an interlayer at the upper end of the cabinet body 1 and is connected with a branch pipe 21, and the end part of the branch pipe 21 is arranged on two sides inside the cabinet body 1.
The both ends of threaded rod 3 are provided with the screw thread that the screw thread revolves to opposite respectively, and threaded rod 3 adopts threaded connection's mode to be connected with curved clamping piece 4, can keep away from each other or be close to each other between curved clamping piece 4 when threaded rod 3 rotates to be convenient for install the fire extinguisher of various different models and size on this switch board.
The structure shape of the tension and compression sleeve 7 is isosceles trapezoid, the width of the upper end of the tension and compression sleeve is larger than that of the lower end of the tension and compression sleeve, the structure shape of the pull rod 8 is n, the pull rod 8 is arranged obliquely to the tension and compression sleeve 7, the upper end of the pull rod 8 is hook-shaped, and the pull rod 8 can be gradually extruded when the tension and compression sleeve 7 moves downwards so as to move outwards to facilitate pulling out a safety pin on the fire extinguisher.
The temperature sensor 9 is electrically connected with the central processing unit 22, the central processing unit 22 is electrically controlled and connected with the driving motor 15, the central processing unit 22 can judge whether a fire disaster occurs in the cabinet body 1 through information transmitted by the temperature sensor 9, and the driving motor 15 can be controlled to be started if the fire disaster occurs.
The connecting shaft 11 is arranged at one end of the contact plate 12 close to the pulling and pressing sleeve 7, the ratio of the length of the contact plate 12 at one end of the connecting shaft 11 close to the pulling and pressing sleeve 7 to the length of the contact plate 12 at one end of the connecting shaft 11 far away from the pulling and pressing sleeve 7 is less than 0.2, and the pulling and pressing sleeve 7 can move downwards through the compression spring 20 with small stiffness coefficient by the lever principle.
The connecting rod 13 is movably connected with the supporting pipe 14, and the axes of the connecting rod 13 and the supporting pipe 14 are collinear, so that the connecting rod 13 can be conveniently and stably moved upwards relative to the supporting pipe 14.
The main pipe 16 is communicated with the branch pipe 21, and the opening end of the branch pipe 21 is inclined to the side surface inside the cabinet body 1, so that substances in the fire extinguisher can enter the branch pipe 21 through the main pipe 16 and can be sprayed to each position in the cabinet body 1 from the branch pipe 21, and the fire can be extinguished conveniently.
The structure shape of one end of buckle 18 and plectrum 17 connection is "C" shape, and this "C" shape structure nestification is in the outside of connecting rod 13, and the opening width of this "C" shape structure is greater than the external diameter of connecting rod 13, can be convenient for block at the upper surface of plectrum 17, restriction plectrum 17 and connecting rod 13 remove, and can drive buckle 18 through driving motor 15's start-up and rotate, so that buckle 18 breaks away from plectrum 17 and connecting rod 13, so that plectrum 17 and connecting rod 13 can move up under compression spring 20's effect.
The power master switch 19 is of a seesaw switch type, the position of the power master switch 19 corresponds to the position of the shifting piece 17, the shifting piece 17 can move up to shift the power master switch 19 conveniently, so that the power master switch 19 cuts off a power supply of the power distribution cabinet, and potential safety hazards are reduced.
The working principle is as follows: at first install this from outage switch board of taking fire control structure in the position of use to switch on each circuit and use, at its in-process of using, because the operation of various electrical equipment, its inside temperature must rise, if it does not have better heat radiation structure, will have great probability conflagration to take place, when this from the inside conflagration that takes place of outage switch board of taking fire control structure, it will solve the disaster through following mode:
according to the figures 1-6, after a fire disaster occurs in the self-power-off power distribution cabinet with the fire-fighting structure, the internal temperature of the self-power-off power distribution cabinet with the fire-fighting structure rises sharply, high-temperature information can be transmitted to the central processing unit 22 through the temperature sensor 9, the central processing unit 22 controls the starting of the driving motor 15 after processing, the driving motor 15 drives the buckling piece 18 to rotate, so that the buckling piece 18 does not extrude the shifting piece 17 any longer, the shifting piece 17 and the connecting rod 13 pop up under the action of the compression spring 20, and the shifting piece 17 shifts the power main switch 19, so that the self-power-off power distribution cabinet with the fire-fighting structure is powered off, and the fire disaster can be solved more safely in;
in the process that the connecting rod 13 is sprung up by releasing elastic potential energy through the compression spring 20, one end, connected with the shaft of the connecting rod 13, of the touch plate 12 is driven to tilt, the other end of the touch plate is driven to move downwards, when the other end of the touch plate 12 moves downwards, the pull-press sleeve 7 connected with the shaft of the touch plate is driven to move downwards, so that the pull-press sleeve 7 gradually extrudes the lower end of the pull rod 8, the pull rod 8 moves towards the outside of the cabinet body 1, a safety pin of a fire extinguisher can be pulled out through the movement of the pull rod 8, then the pull-press sleeve 7 continuously moves downwards, and the pull-press sleeve is contacted with and extrudes a press handle on the fire extinguisher, so that substances in the fire extinguisher enter the main pipe 16 through a spray pipe assembly of the fire extinguisher, and then the substances in the main pipe 16 are sprayed into the cabinet body 1 through;
before the self-powered-off power distribution cabinet with the fire-fighting structure is used, fire extinguishers of different types or sizes can be installed on the self-powered-off power distribution cabinet according to the use condition of the self-powered-off power distribution cabinet, if the voltage in the power distribution cabinet is below 6KV, a carbon dioxide fire extinguisher can be used, and if the voltage in the power distribution cabinet is above 6KV, a dry powder fire extinguisher can be used;
the fire extinguisher is placed between the arc-shaped clamping pieces 4, the pressing handle of the fire extinguisher is positioned on the inner side of the pulling and pressing sleeve 7, the upper end of the pressing pull rod 8 hooks the safety pin, and then the toothed plate 6 which is in sliding connection with the upper surface of the cabinet body 1 is pushed inwards to drive the threaded rod 3 which is in key connection with the transmission gear 5 to rotate, so that the clamping pieces 4 on the two sides of the fire extinguisher are close to each other, and the fire extinguisher is clamped and fixed.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a from switch board that cuts off power supply of taking fire control structure, includes the cabinet body (1), its characterized in that: temperature sensor (9) is installed at the interior top of the cabinet body (1), and the top surface of the cabinet body (1) is connected with supporting shoe (2), same fore-and-aft bearing is connected with threaded rod (3) between supporting shoe (2), and the outside of threaded rod (3) is connected with clamping piece (4), the one end outside key joint of threaded rod (3) is connected with drive gear (5), and the below meshing of drive gear (5) is connected with pinion rack (6), the lower surface sliding connection of pinion rack (6) is in the top surface of the cabinet body (1), and the leading flank of the cabinet body (1) is provided with constant head tank (10), and sliding connection has pull rod (8) in constant head tank (10), the top of the cabinet body (1) runs through swing joint and draws and presses cover (7), and draws the lower extreme hub connection of pressing cover (7) in the one end of touching board (12), touching board (12) is connected in the upper end intermediate layer of the cabinet body (1, the other end of the touch plate (12) is connected with the upper end of a connecting rod (13) in a shaft mode, a shifting sheet (17) is fixedly arranged on the connecting rod (13), the lower end of the connecting rod (13) extends into a supporting tube (14), the inner side of the supporting tube (14) is connected with the lower end of a compression spring (20), the outer side of the connecting rod (13) is connected with the upper end of the compression spring (20), the lower end of the supporting tube (14) is connected with the inner bottom end of an upper end interlayer of the cabinet body (1), a power main switch (19) is installed on the side face of the upper end interlayer of the cabinet body (1), a driving motor (15) is installed at the inner bottom end of the upper end interlayer of the cabinet body (1), a central processor (22) is installed inside the upper end interlayer of the cabinet body (1), a clamping piece (18) is connected with the shaft end of the driving motor (15) in, the top surface of the cabinet body (1) is penetrated with a main pipe (16), the main pipe (16) penetrates through the interlayer at the upper end of the cabinet body (1) and is connected with a branch pipe (21), and the end part of the branch pipe (21) is arranged on two sides inside the cabinet body (1).
2. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the two ends of the threaded rod (3) are respectively provided with threads with opposite thread turning directions, and the threaded rod (3) is connected with the arc-shaped clamping piece (4) in a threaded connection mode.
3. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the structure shape of the tension and compression sleeve (7) is isosceles trapezoid, and the width of the upper end of the tension and compression sleeve is larger than that of the lower end of the tension and compression sleeve.
4. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the structural shape of the pull rod (8) is 'n', the pull rod (8) is arranged obliquely to the pull-press sleeve (7), and the upper end of the pull rod (8) is in a hook shape.
5. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the temperature sensor (9) is electrically connected with the central processing unit (22), and the central processing unit (22) is electrically connected with the driving motor (15) in a control manner.
6. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the connecting shaft (11) is arranged at one end, close to the pulling and pressing sleeve (7), of the contact plate (12), and the ratio of the length of the contact plate (12) at one end, close to the pulling and pressing sleeve (7), of the connecting shaft (11) to the length of the contact plate (12) at one end, far away from the pulling and pressing sleeve (7), of the connecting shaft (11) is smaller than 0.2.
7. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the connecting rod (13) is movably connected with the supporting tube (14), and the axes of the connecting rod (13) and the supporting tube (14) are collinear.
8. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the main pipe (16) is communicated with the branch pipe (21), and the opening end of the branch pipe (21) is inclined to the side surface inside the cabinet body (1).
9. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the structure shape of one end, connected with the shifting piece (17), of the clamping piece (18) is C-shaped, the C-shaped structure is nested on the outer side of the connecting rod (13), and the opening width of the C-shaped structure is larger than the outer diameter of the connecting rod (13).
10. The self-powered-off power distribution cabinet with the fire-fighting structure according to claim 1, characterized in that: the power supply main switch (19) is of a warped plate switch type, and the position of the power supply main switch (19) corresponds to the position of the shifting piece (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208951.7A CN110867745B (en) | 2019-11-30 | 2019-11-30 | From switch board that cuts off power supply certainly of taking fire control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208951.7A CN110867745B (en) | 2019-11-30 | 2019-11-30 | From switch board that cuts off power supply certainly of taking fire control structure |
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| Publication Number | Publication Date |
|---|---|
| CN110867745A CN110867745A (en) | 2020-03-06 |
| CN110867745B true CN110867745B (en) | 2021-04-23 |
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| CN201911208951.7A Active CN110867745B (en) | 2019-11-30 | 2019-11-30 | From switch board that cuts off power supply certainly of taking fire control structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952857A (en) * | 2020-08-26 | 2020-11-17 | 宁波理工智能电网技术有限公司 | Safe and environment-friendly low-voltage power distribution cabinet |
| CN112687493B (en) * | 2020-12-10 | 2021-09-14 | 武汉诺尔曼科技有限公司 | Over-temperature protection device and protection method of electronic speed regulator |
| CN113692152B (en) * | 2021-07-22 | 2023-06-23 | 宁波鑫海智造科技有限公司 | Dustproof heat dissipation type 5G communication cabinet |
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