CN216598687U

CN216598687U - Low-voltage switch cabinet capable of safely using electricity

Info

Publication number: CN216598687U
Application number: CN202220017667.2U
Authority: CN
Inventors: 陈平涛; 吴桦林; 张鹏鹏
Original assignee: Fujian Darong Intelligent Equipment Co ltd
Current assignee: Fujian Darong Intelligent Equipment Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-24
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a low-voltage switch cabinet for safe electricity utilization, which comprises a box body, wherein an opening and closing door is arranged on the box body, a hinge rod is arranged on the opening and closing door, a hinge groove matched with the hinge rod is arranged on the box body, the bottom of the box body is provided with a heat dissipation device, the heat dissipation device is communicated with an inner cavity of the box body and is used for circulating and temperature-regulating air in the box body and outside air, and a safe electromagnetic lock and a safe switch are also arranged on the box body; the utility model discloses a cubical switchboard can't be opened with the charged state staff, ensures can not the emergence of the live operation of violation, simultaneously, can trigger once more when opening the door and once cut-off operation, and the safety is guaranteed to the secondary, the utility model discloses a low tension switchgear simple structure, the design science, convenient to use, safety and stability is high, ensures the safety in utilization of cubical switchboard, has ensured the safe power consumption problem of staff when carrying out the operation of opening the cabinet such as the maintenance inspection of cubical switchboard, avoids electric power safety hidden danger.

Description

Low-voltage switch cabinet capable of safely using electricity

Technical Field

The utility model relates to a cubical switchboard technical field, concretely relates to low-voltage switchgear of safe power consumption.

Background

The low-voltage switch cabinet is generally applied to electric energy conversion, distribution and control of power, lighting and power distribution equipment of power users such as power plants, transformer substations, industrial and mining enterprises and the like; the existing drawer cabinet has a five-prevention function, and the operation safety can be basically guaranteed. However, the existing low-voltage switch cabinet generally adopts a power supply indication mode to remind workers of the power-on and power-off conditions of the switch cabinet, part of operations in the switch cabinet must be completed under the condition of power failure, and once indication errors or damage of indication components occur, the incorrect operations are easily caused to bring serious potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In view of the prior art, an object of the utility model is to provide a cubical switchboard with high security performance protection has ensured the safe power consumption problem of staff when carrying out the operation of opening the cabinet such as the maintenance inspection of cubical switchboard, avoids electric power potential safety hazard.

In order to realize the above purpose, the utility model discloses a technical scheme be: the utility model provides a low-voltage switchgear of safe electricity utilization, includes the box, be provided with the door that opens and shuts on the box, be provided with the hinge bar on the door that opens and shuts, be provided with on the box with hinge bar assorted hinge groove, the bottom of box is provided with heat abstractor, heat abstractor is linked together with the inner chamber of box, and it is used for circulating and temperature regulation for air and outside air in the box, still be provided with safe electromagnetic lock and safety switch on the box.

As a further setting of the scheme, the safe electromagnetic lock is arranged at one end, far away from the hinged part, of the box body and the opening and closing door, and is electrically connected with an input bus of the low-voltage switch cabinet.

As a further arrangement of the scheme, the safety switch comprises an electric operation handle and a manual operation handle, the handle of the safety switch is arranged on the outer shell of the box body, and the safety switch is electrically connected with an input bus of the low-voltage switch cabinet and used for disconnecting the power of the whole set of low-voltage switch cabinet.

As a further arrangement of the above scheme, the opening and closing door is further provided with an opening and closing mechanism, and the opening and closing mechanism comprises an elastic part which is abutted against the deformation of the opening and closing door in the opening state and stores force, and a trigger switch which is electrically connected with the safety switch and is used for triggering the power-off of the low-voltage switch cabinet.

As a further arrangement of the above scheme, the heat dissipation device further comprises a plurality of air fans and filter screens which are arranged on the box body and can rotate positively and negatively, wherein a plurality of brush sheets and brush stoppers which swing relative to the air fans are arranged on the side surfaces of the air fans facing the filter screens, and when the air fans rotate positively to give out air, the brush sheets rotate relative to the surface of the filter screens to sweep.

As a further arrangement of the scheme, a slot is formed in the top of the box body, an inserting piece is arranged in the slot and is located above the opening and closing door, and the inserting piece is used for limiting the upward movement of the opening and closing door.

As the further setting of above-mentioned scheme, hinge groove and articulated rod phase-match set up, and both counterbalance tip is provided with magnet.

Has the advantages that: the utility model discloses a cubical switchboard is through the safe electromagnetic lock on the door that opens and shuts and the setting of the mechanism that opens the door, has guaranteed to be in charged state in the door that opens and shuts, and the staff can't open, ensures can not the emergence of the live operation of violation, simultaneously, can trigger once more when opening the door the outage operation, ensures to open the door back low-voltage switchgear and is in the outage state really, in addition, the utility model discloses a door that opens and shuts adopts simple mounting structure, realizes the hinge structure installation through quick grafting, utilizes the inserted sheet to carry on spacingly, the utility model discloses a low-voltage switchgear simple structure, the design science, convenient to use, safety stability is high, ensures the safety in utilization of cubical switchboard, has ensured the staff and has carried out the safe power consumption problem of when the operation of opening the cabinet such as the maintenance inspection of cubical switchboard, avoids electric power safety hidden danger.

Drawings

Fig. 1 is the structural schematic diagram of the low-voltage switch cabinet of the present invention.

Fig. 2 is a schematic view of a partial structure of the switch cabinet of the present application.

Fig. 3 is a schematic view of the hinge structure for installing the opening/closing door of the present invention.

Fig. 4 is a schematic view of the structure of the air fan of the present invention.

Reference numerals: 1. a box body; 11. a slot; 12. inserting sheets; 2. opening and closing the door; 21. a hinged lever; 22. hinging the groove; 3. a heat sink; 31. an air fan; 32. filtering with a screen; 33. a brush sheet; 34. a brush stop block; 4. a safety electromagnetic lock; 5. a safety switch; 51. a handle; 6. a door opening and circuit breaking mechanism; 61. an elastic member; 62. the switch is triggered.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

Referring to fig. 1-4, a low voltage switch cabinet for safety power utilization comprises a cabinet body 1, the cabinet body 1 of this embodiment is provided with a plurality of functional chambers for various power devices to be installed and placed in isolation from each other, each chamber is provided with a hinged door 2 for opening and closing one side opening of the chamber, the hinged door 2 of this embodiment is configured to swing in a hinged manner relative to the cabinet body 1, the hinged structure comprises a hinged rod 21 and a hinge slot 22 matched with the hinged rod 21 and arranged on the cabinet body 1, the hinged rod 21 can realize hinged connection by inserting the hinge slot 22 from right above, the hinged door 2 can swing relative to the cabinet body 1 to open or close the chamber opening of the cabinet body 1 before being subjected to an external force for enabling the hinged door 2 to move upwards, in addition, the bottom of the cabinet body 1 of this embodiment is provided with a heat dissipation device 3, the heat dissipation device 3 is communicated with an inner cavity of the cabinet body 1, the utility model is used for circulating and regulating the temperature of the air in the box body 1 and the outside air, and regulating and purifying the sucked or discharged air by the air purifying device additionally arranged on the heat radiating device 3, avoiding excessive dust accumulation in the box body 1 and preventing the special gas in the box body 1 from directly entering the outside air (the special need of internal and external sealing equipment), and furthermore, the box body 1 of the utility model is also provided with a safe electromagnetic lock 4 and a safe switch 5, the safe electromagnetic lock 4 comprises a locking structure which is arranged at one end of the box body 1 which is relatively far away from the hinge joint with the opening and closing door 2, the locking structure can adopt a latch type door lock mechanism, a bolt type door lock mechanism and the like, and the locking mechanism is triggered by an electromagnet, the power supply of the electromagnet of the safe electromagnetic lock 4 of the utility model is connected with the input bus electrical property of the low-voltage switch cabinet, namely when the circuit in the low-voltage switch cabinet is communicated, and when the low-voltage switch cabinet is provided with a dangerous power supply, the safe electromagnetic lock 4 work guarantees that external world or staff can't open the shutter 2, has avoided staff or other personnel not according to the regulation, and the power failure operation opens the shutter 2, leads to live working to take place electric power dangerous accident, guarantees that the shutter 2 is opened and must be the inside safe state that is in of low-voltage switchgear.

As a further arrangement of the above scheme, the safety switch 5 of the present invention comprises an electric operation and manual operation handle 51, the electric operation mechanism can introduce the existing internet of things technology, so that it can be remotely controlled, the manual operation handle 51 is used to quickly handle the equipment in emergency, and avoid the problem that the opening and closing door 2 cannot be opened for operation because of internal electrification, therefore, the safety switch 5 handle 51 of the present invention is arranged on the outer shell of the box 1, so that it is convenient for quick operation in emergency, the safety switch 5 is electrically connected with the input bus of the low-voltage switch cabinet for disconnecting the electrification of the whole set of low-voltage switch cabinet, the safety switch 5 of the present invention is equivalent to the main brake of the low-voltage switch cabinet, once the electrification of the low-voltage switch cabinet is inevitably caused by using, the safety state without electricity is in case, a trigger switch for triggering the electric operation mechanism of the safety switch 5 is also connected and arranged, this trigger switch is located and sets up between box 1 and the door 2 that opens and shuts, and still is provided with the elastic component who holds power when the door 2 that opens and shuts is closed, and this elastic component is opening the door 2 and opens the back, and the trigger switch that can trigger the butt sends the order and makes the electrical mechanism action of safety switch 5, cuts off the power supply, should set up aim at and ensure when the door 2 that opens and shuts opens, no matter what state is in the low-voltage switchgear, all when opening the door 2 that opens and shuts, carry out the outage operation of once, further guarantee the security.

Furthermore, the switch cabinet of this embodiment is further provided with a heat dissipating device 3, and the simplest wind power heat dissipating device 3 is mainly of an air flow type, the device in this embodiment further comprises a plurality of air fans 31 and a filter screen 32 which are arranged on the box body 1 and can rotate in the forward and reverse directions, the side of the air fan 31 facing the filter screen 32 is provided with a plurality of brush pieces 33 and brush stoppers 34 which swing relative to the air fans 31, when the brush pieces 33 rotate in the forward direction of the air fan 31, the brush pieces 33 rotate to sweep relative to the surface of the filter screen 32, the brush stoppers 34 are arranged on one side of the brush pieces 33 in the circumferential rotation direction, when the air fan 31 rotates in the forward direction, the brush pieces 33 swing to 90 degrees and just abut against the brush stoppers 34, and cannot swing forward any more, under the continuous rotation force, the brush pieces 33 brush dust and the like on the filter screen 32, and the brush pieces 33 do not block when the air fan 31 rotates in the reverse direction, attached to the back of the air fan 31 under the action of air flow and inertia.

As a further arrangement of the proposal, the top of the box body 1 is provided with a slot 11, the slot 11 is internally provided with an inserting piece 12, the inserting piece 12 is arranged above the opening and closing door 2 and is used for limiting the upward movement of the opening and closing door 2, the opening and closing door 2 of the utility model is very simple to be installed, the opening and closing door 2 is sequentially installed from the lowest opening and closing door 2 to the upper part, the opening and closing door 2 is slightly raised to a little height relative to the box body 1 during installation, then the hinge slot 22 is aligned with the hinge rod 21, then the opening and closing door 2 is put down to be inserted, so as to avoid the possibility of upward movement of the opening and closing door 2 during opening the door and separation and falling off, the utility model is also provided with a slot 11 on the box body 1, the slot 11 penetrates through the horizontal direction of the box body 1 and is just above the opening and closing door 2, the inserting piece 12 protrudes relative to the surface of the box body 1 and is the same as or higher than the plane height after the opening and closing door 2, and the purpose is that the inserting piece 12 is inserted into the slot 11, the opening and closing door 2 is blocked by the inserting sheet 12 upwards and cannot continue upwards, so that the hinge rod 21 cannot be separated from the hinge groove 22, and in addition, advertisements, labels and the like can be arranged on the surface of the inserting sheet 12 according to the requirements of customers.

As the further setting of above-mentioned scheme, hinge groove 22 and articulated rod 21 phase-match set up, and both counterbalance tip are provided with magnet 23, and magnet 23 can provide certain downward adsorption affinity for hinge groove 22 and articulated rod 21, combines self gravity, avoids opening and shutting the use in the door 2 that opens and shuts, because the angle problem that the personnel that open the door made power, leads to the inserted sheet 12 of the frequent striking top of the door body of opening and shutting door 2.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a low-voltage switchgear of safe electricity utilization, includes box (1), its characterized in that: the solar energy water heater is characterized in that an opening and closing door (2) is arranged on the box body (1), a hinge rod (21) is arranged on the opening and closing door (2), a hinge groove (22) matched with the hinge rod (21) is formed in the box body (1), a heat dissipation device (3) is arranged at the bottom of the box body (1), the heat dissipation device (3) is communicated with an inner cavity of the box body (1) and used for circulating and adjusting the temperature of air and outside air in the box body (1), a safety electromagnetic lock (4) and a safety switch (5) are further arranged on the box body (1), the safety electromagnetic lock (4) is arranged at one end, far away from the hinge joint, of the box body (1) and the opening and closing door (2), the safety electromagnetic lock (4) is electrically connected with an input bus of a low-voltage switch cabinet, the safety switch (5) comprises an electric operation handle and a manual operation handle (51), and the handle (51) is arranged on an outer shell of the box body (1), the safety switch (5) electric connection connects the input bus of low-voltage switch cabinet for the circular telegram of disconnection whole set of low-voltage switch cabinet, still be provided with the mechanism that opens the door on opening and shutting door (2), the mechanism that opens the door breaks includes to support in the state of opening the door (2) deformation and hold the elastic component of power and with safety switch (5) electric connection, be used for triggering the trigger switch of low-voltage switch cabinet outage.

2. The low-voltage switch cabinet for safety electricity utilization according to claim 1, characterized in that: heat abstractor (3) are still including being located a plurality of air fans (31) and the filter screen (32) that can just reverse that set up on box (1), air fan (31) are provided with a plurality of relative air fan (31) wobbling brush pieces (33) and brush dog (34) towards the side of filter screen (32), when air fan (31) corotation is given vent to anger, relative filter screen (32) surface rotation brush is brushed in brush pieces (33).

3. The low-voltage switch cabinet for safety electricity utilization according to claim 1, characterized in that: the top of box (1) is provided with slot (11), be provided with inserted sheet (12) in slot (11), inserted sheet (12) are located opening and shutting door (2) top and set up, and it is used for restricting opening and shutting door (2) and upwards moves about.

4. The low-voltage switch cabinet for safety electricity utilization according to claim 1, characterized in that: hinge groove (22) and hinge rod (21) phase-match set up, and both counterbalance the tip and be provided with magnet (23).