CN115547710A - Safe power distribution cabinet capable of selecting door opening power-off protection - Google Patents
Safe power distribution cabinet capable of selecting door opening power-off protection Download PDFInfo
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- CN115547710A CN115547710A CN202211360387.2A CN202211360387A CN115547710A CN 115547710 A CN115547710 A CN 115547710A CN 202211360387 A CN202211360387 A CN 202211360387A CN 115547710 A CN115547710 A CN 115547710A
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- contact
- cabinet
- power distribution
- plate
- door
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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
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
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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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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a safety power distribution cabinet capable of selecting door opening power-off protection, which comprises a cabinet body and a cabinet door arranged on one side of the cabinet body, wherein a partition plate and a transverse plate are fixed in the cabinet body, the safety power distribution cabinet also comprises a first contact movably arranged on the partition plate and connected with an elastic mechanism arranged on the partition plate, when the cabinet door is in a closed state, the elastic mechanism stores elastic potential energy and enables the first contact to be located at a first placing position, when the cabinet door is opened, the elastic mechanism releases the elastic potential energy and enables the first contact to move to reach a second placing position, through mutual matching of all mechanisms and parts, the power distribution cabinet can be automatically switched to a power-off state or a power-on state can be kept according to the opening and closing state of the cabinet door, a worker does not need to perform power-off treatment on the power distribution cabinet in advance, convenience is brought to the maintenance and inspection work of the power distribution cabinet by the worker, and meanwhile, the danger caused by forgetting the power-off operation of the worker is avoided.
Description
Technical Field
The invention relates to the related technical field of power distribution cabinets, in particular to a safe power distribution cabinet capable of selecting door opening power-off protection.
Background
The distribution cabinet (case) is used for distributing power distribution cabinet (case), lighting distribution cabinet (case) and metering cabinet (case), and is the final-stage equipment of the distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
Present switch board, mostly do not possess the auto-power-off function that opens the door, when carrying out actual maintenance work, for ensuring safety, maintenance personal need carry out the outage processing to the switch board in advance, the maintenance work is carried out to the restart, if maintenance personal forgets the outage operation, then carry out the in-process at maintenance work and take place dangerous accident, to above problem, also there are some switch board that opens the door auto-power-off in the market, but the normal operating that can not influence the switch board of going on of some maintenance work, in order to avoid causing the loss, consequently, this kind of switch board that opens the door auto-power-off uses and just has certain defect, be difficult to reach the security in the ideal.
Disclosure of Invention
The invention aims to provide a safe power distribution cabinet capable of selecting door opening power-off protection so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a but select power-off protection's that opens door safe type switch board, includes the cabinet body and sets up the cabinet door of cabinet body one side, still be fixed with baffle and diaphragm in the cabinet body, so that form the control area in the cabinet body, still include:
the first contact is movably arranged on the partition plate and connected with an elastic mechanism arranged on the partition plate, when the cabinet door is in a closed state, the elastic mechanism stores elastic potential energy and enables the first contact to be located at a first placing position, and when the cabinet door is opened, the elastic mechanism releases the elastic potential energy and enables the first contact to move and reach a second placing position;
the second contact is arranged in the control area through an ejection mechanism, is in an abutting state with the first contact and is located at the first placement position, the first contact and the second contact are connected with a control circuit of the power distribution cabinet, the ejection mechanism is connected with a limiting mechanism installed in the control area, the limiting mechanism is used for limiting the ejection mechanism, when the ejection mechanism is in a limiting state and the cabinet door is opened, the first contact and the second contact are separated to enable the power distribution cabinet to be powered off, and when the limiting mechanism releases the limiting state of the ejection mechanism, the ejection mechanism releases elastic potential energy and enables the second contact and the first contact to keep the abutting state and move to the second placement position together to enable the power distribution cabinet to keep a power-on state after the cabinet door is opened;
display mechanism locates the baffle deviates from one side of cabinet door and with stop gear connects, just a opening has been seted up on the diaphragm, display mechanism is used for the cabinet door is opened the back and is passed through the opening shows whether the switch board switches on.
As a further scheme of the invention: the elastic mechanism comprises two first cross rods fixedly arranged on the partition plate through vertical plates, a transverse moving plate arranged on the two first cross rods in a sliding mode, and a first cylindrical spring sleeved on the periphery of the first cross rods;
the two ends of the first cylindrical spring are respectively connected with the vertical plate and the transverse moving plate, the first contact is installed on the transverse moving plate through an installation frame, a pulley is further installed on the transverse moving plate through a long rod, and the pulley is abutted to the inner wall of the cabinet door.
As a still further scheme of the invention: still be provided with the light filling lamp strip on the inner wall of the cabinet body, the light filling lamp strip respectively with install power and fourth contact electric connection on the baffle, just the sideslip board orientation the third contact is installed to one side of power, the third contact with power electric connection.
As a still further scheme of the invention: the ejection mechanism comprises a symmetrical sliding assembly arranged on the partition plate and a push-pull structure connected with the symmetrical sliding assembly, and the symmetrical sliding assembly is matched with the limiting mechanism.
As a still further scheme of the invention: the symmetrical sliding assembly comprises two second cross rods fixedly installed on the partition board through two vertical plates and two push-pull plates arranged on the second cross rods in a sliding mode, two second cylindrical springs are sleeved on the second cross rods respectively, one ends of the second cylindrical springs are connected with the push-pull plates, and the other ends of the second cylindrical springs are connected with the vertical plates.
As a still further scheme of the invention: the push-pull structure comprises two third cross rods fixedly arranged on the partition plate, a push plate arranged on the two third cross rods in a sliding manner, and two connecting rods respectively rotatably arranged on one sides, facing the push plate, of the two push-pull plates, the middle points of the two connecting rods are rotatably connected, and the second contact is arranged on one side of the push plate;
and one side of the push plate, which is far away from the second contact, is provided with a sliding chute, two sliding blocks are symmetrically embedded in the sliding chute in a sliding manner, and one ends of the two connecting rods, which are far away from the push plate, are respectively hinged with the two sliding blocks.
As a still further scheme of the invention: the limiting mechanism comprises a screw rod rotatably mounted on the inner wall of the cabinet body, a limiting piece arranged on the screw rod and in threaded connection with the screw rod, and a guide rod fixedly mounted on the inner wall of the cabinet body and in sliding connection with the limiting piece;
the locating part is arranged in a shape similar to an isosceles triangle, two rollers are respectively arranged on the two push-pull plates, and the rollers are abutted to the inclined plane on the locating part.
As a still further scheme of the invention: the display mechanism comprises two driving wheels rotatably arranged on the partition plate, a connecting piece connected with the two driving wheels in a rolling way, a cross frame fixedly arranged on the transverse plate and a display plate which is arranged on the cross frame in a sliding way and is fixedly connected with the connecting piece;
one of the driving wheels is connected with the screw rod through a driving belt, the display board is attached to the transverse plate in a sliding mode, and a display area matched with the through hole is formed in the display board.
Compared with the prior art, the invention has the beneficial effects that: the power distribution cabinet is novel in design, when the ejection mechanism is in a constraint state and the cabinet door is opened in use, the first contact is separated from the second contact so as to power off the power distribution cabinet, when the limit mechanism releases the constraint state of the ejection mechanism and the cabinet door is opened, the ejection mechanism releases elastic potential energy and enables the second contact and the first contact to keep an abutting state and move together so as to keep the power distribution cabinet in a powered-on state.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a safety power distribution cabinet with selectable door opening power-off protection.
Fig. 2 is a schematic structural diagram of a safe power distribution cabinet with optional door opening power-off protection in an embodiment after a cabinet door is opened.
Fig. 3 is a schematic structural diagram of a control area in an embodiment of a safety power distribution cabinet with selectable door opening power-off protection.
Fig. 4 is a schematic structural view of fig. 3 from another angle.
Fig. 5 is an enlarged view of a structure at a in fig. 3.
Fig. 6 is an enlarged view of the structure at B in fig. 4.
Fig. 7 is an explosion diagram of the ejection mechanism in an embodiment of the safety power distribution cabinet with selectable door opening power-off protection.
Fig. 8 is an exploded view of a display mechanism in an embodiment of a safety power distribution cabinet with selectable door opening power-off protection.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a partition plate; 4. a transverse plate; 5. a light supplementing lamp bar; 6. a first cross bar; 7. transversely moving the plate; 8. a first cylindrical spring; 9. a mounting frame; 10. a long rod; 11. a first contact; 12. a second contact; 13. a third contact; 14. a fourth contact; 15. a power source; 16. a screw rod; 17. a guide bar; 18. a limiting member; 19. a second cross bar; 20. a push-pull plate; 21. a roller; 22. a second cylindrical spring; 23. a third cross bar; 24. pushing the plate; 25. a chute; 26. a slider; 27. a connecting rod; 28. a transmission belt; 29. a drive wheel; 30. a connecting member; 31. a cross frame; 32. and displaying the panel.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 8, in an embodiment of the present invention, a safe power distribution cabinet capable of selectively performing power-off protection when a door is opened includes a cabinet body 1 and a cabinet door 2 disposed at one side of the cabinet body 1, where a partition plate 3 and a transverse plate 4 are further fixed in the cabinet body 1, so as to form a control area in the cabinet body 1, and further includes a first contact 11 movably disposed on the partition plate 3 and connected to an elastic mechanism mounted on the partition plate 3, and when the cabinet door 2 is in a closed state, the elastic mechanism stores elastic potential energy and enables the first contact 11 to be located at a first placement position, and when the cabinet door 2 is opened, the elastic mechanism releases the elastic potential energy and enables the first contact 11 to move to reach a second placement position;
the second contact 12 is arranged in the control area through an ejection mechanism, is in an abutting state with the first contact 12 and is located at the first placement position, the first contact 11 and the second contact 12 are connected with a control circuit of the power distribution cabinet, the ejection mechanism is connected with a limiting mechanism installed in the control area, the limiting mechanism is used for limiting the ejection mechanism, when the ejection mechanism is in a limiting state and the cabinet door 2 is opened, the first contact 11 is separated from the second contact 12 so as to power off the power distribution cabinet, and when the limiting mechanism releases the limiting state of the ejection mechanism, the ejection mechanism releases elastic potential energy and enables the second contact 12 and the first contact 11 to keep the abutting state and move to the second placement position together so as to enable the power distribution cabinet to keep the power on state;
display mechanism locates baffle 3 deviates from one side of cabinet door 2 and with stop gear connects, just a port has been seted up on diaphragm 4, display mechanism is used for pass through after cabinet door 2 is opened the port shows whether the switch board switches on.
Referring to fig. 6 again, the elastic mechanism includes two first cross bars 6 fixedly mounted on the partition board 3 through vertical plates, a traverse plate 7 slidably disposed on the two first cross bars 6, and a first cylindrical spring 8 sleeved on the outer periphery of the first cross bar 6;
the two ends of the first cylindrical spring 8 are respectively connected with the vertical plate and the transverse moving plate 7, the first contact 11 is mounted on the transverse moving plate 7 through a mounting frame 9, a pulley is further mounted on the transverse moving plate 7 through a long rod 10, and the pulley is abutted to the inner wall of the cabinet door 2.
When the power distribution cabinet needs to be overhauled and inspected, after a worker opens the cabinet door 2, the first cylindrical spring 8 releases elastic potential energy, so that the transverse moving plate 7 slides towards the outside of the cabinet body 1 on the two first cross rods 6, and correspondingly, the first contact 11 moves together with the transverse moving plate 7 and is separated from the second contact 12, so that the power distribution cabinet is automatically switched to a power-off state;
after the maintenance and inspection work is finished, after the cabinet door 2 is closed by a worker, the cabinet door 2 pushes the transverse moving plate 7 to slide towards the direction far away from the cabinet door 2 on the two first cross rods 6 through the pulleys and the long rods 10, and then the first contact 11 is abutted and combined with the second contact 12 again, so that the power distribution cabinet automatically keeps an electrified state;
to sum up, through the mutually supporting between each part for this switch board can be according to the switching state of cabinet door 2 from the automatic switch-over to outage state or keep the on-state, need not the staff and cut off the power supply cabinet in advance and handle, has brought the facility for the staff to the maintenance inspection work of switch board, simultaneously, has also avoided because of the staff forgets the danger that brings with the outage operation, makes the security performance of this switch board promote greatly.
Referring to fig. 2 again, a light supplementing lamp bar 5 is further disposed on the inner wall of the cabinet body 1, the light supplementing lamp bar 5 is respectively electrically connected to a power supply 15 and a fourth contact 14 which are mounted on the partition board 3, a third contact 13 is mounted on one side of the traverse plate 7 facing the power supply 15, and the third contact 13 is electrically connected to the power supply 15.
It should be emphasized that, in actual use, there is a movement of the first contact 11, the second contact 12 and the third contact 13, so that the connection lines between the first contact 11 and the second contact 12 and the control circuit of the power distribution cabinet and the connection lines between the third contact 13 and the power supply 15 are loosely arranged, so as to ensure the normal movement of the first contact 11, the second contact 12 and the third contact 13 during the matching process of each mechanism, and perform the engaging and disengaging actions.
Referring to fig. 5 and 7 again, the ejection mechanism includes a symmetrical sliding component mounted on the partition board 3 and a push-pull structure connected to the symmetrical sliding component, and the symmetrical sliding component is matched with the limiting mechanism. The symmetrical sliding assembly comprises two second cross rods 19 fixedly installed on the partition plate 3 through two vertical plates and a push-pull plate 20 arranged on the second cross rods 19 in a sliding mode, two second cylindrical springs 22 are sleeved on the second cross rods 19 respectively, one ends of the second cylindrical springs 22 are connected with the push-pull plate 20, and the other ends of the second cylindrical springs 22 are connected with the vertical plates.
The push-pull structure comprises two third cross rods 23 fixedly arranged on the partition board 3, a push plate 24 arranged on the two third cross rods 23 in a sliding manner, and two connecting rods 27 respectively rotatably arranged on one sides of the two push-pull plates 20 facing the push plate 24, the middle points of the two connecting rods 27 are rotatably connected, and the second contact 12 is arranged on one side of the push plate 24;
a sliding groove 25 is formed in one side of the push plate 24, which is away from the second contact 12, two sliding blocks 26 are symmetrically and slidably embedded in the sliding groove 25, and one ends of the two connecting rods 27, which are away from the push plate 20, are respectively hinged to the two sliding blocks 26.
It should be noted that the elastic potential energy stored in the second cylindrical spring 22 is greater than the elastic potential energy stored in the first cylindrical spring 8, so that when the limiting mechanism releases the limiting state of the two push-pull plates 20, the cabinet door 2 is opened, the first cylindrical spring 8 and the second cylindrical spring 22 release the elastic potential energy at the same time, the two push-pull plates 20 slide on the second cross rod 19 close to each other, the two connecting rods 27 rotate, and the two sliding blocks 26 slide in the sliding grooves 25 close to each other, so that the second contact 12 and the first contact 11 move together in the abutting state, so that the power distribution cabinet continues to maintain the energized state, the practicability of the power distribution cabinet is improved, and after the cabinet door 2 is opened, whether the power distribution cabinet is powered off or not can be automatically selected by a manager.
The limiting mechanism comprises a screw rod 16 rotatably mounted on the inner wall of the cabinet body 1, a limiting piece 18 arranged on the screw rod 16 and in threaded connection with the screw rod, and a guide rod 17 fixedly mounted on the inner wall of the cabinet body 1 and in sliding connection with the limiting piece 18;
the limiting member 18 is arranged in a shape similar to an isosceles triangle, two rollers 21 are respectively mounted on the two push-pull plates 20, and the rollers 21 are abutted to the inclined surface of the limiting member 18.
When the staff need examine the internal line of switch board, and can not influence the normal operating of switch board, can switch the working method of switch board by managers, even the switch board is in still keep the on-state after cabinet door 2 is opened, managers is right lead screw 16 carries out the forward rotation, and then, guide bar 17 leads to locating part 18 for locating part 18 carries out screw-thread fit and moves towards keeping away from with lead screw 16 the direction motion of cabinet door 2, the butt state on inclined plane was relieved on gyro wheel 21 and the locating part 18, thereby, follow-up maintenance person opens cabinet door 2 the back, second cylindrical spring 22 alright rebound, order about second contact 12 with first contact 11 keeps the butt state concerted movement, makes the switch board keep the on-state.
Specifically, a sleeve is fixedly mounted on the upper portion of the limiting member 18, the screw rod 16 penetrates into the sleeve, and a thread matched with the screw rod 16 is arranged on the inner wall of the sleeve.
Referring to fig. 8 again, the display mechanism includes two driving wheels 29 rotatably mounted on the partition board 3, a connecting member 30 for rolling and connecting the two driving wheels 29, a cross frame 31 fixedly mounted on the cross plate 4, and a display plate 32 slidably disposed on the cross frame 31 and fixedly connected to the connecting member 30. One of the driving wheels 29 is connected with the screw rod 16 through a transmission belt 28, the display plate 32 is in sliding fit with the transverse plate 4, and two display areas matched with the through holes are arranged on the display plate 32.
When the lead screw 16 forward rotates, the lead screw 16 drives the driving wheel 29 to rotate through the driving belt 28, correspondingly, the driving wheel 29 drives the display panel 32 to slide on the cross frame 31 for a certain distance through the connecting piece 30, the display content in the through hole is replaced, and after the cabinet door 2 is opened by a worker, the worker can know whether the power distribution cabinet is powered on or not through the information displayed in the through hole, so that the safety is further improved.
When the safety power distribution cabinet with the selectable door-opening power-off protection is implemented specifically, when the power distribution cabinet needs to be overhauled and checked, after a worker opens the cabinet door 2, the first cylindrical spring 8 releases elastic potential energy, so that the transverse moving plate 7 slides towards the outside of the cabinet body 1 on the two first cross rods 6, and correspondingly, the first contact 11 moves along with the transverse moving plate 7 and is separated from the second contact 12, so that the power distribution cabinet is automatically switched to a power-off state;
after the maintenance and inspection work is finished, after the cabinet door 2 is closed by a worker, the cabinet door 2 pushes the transverse moving plate 7 to slide towards the direction far away from the cabinet door 2 on the two first cross rods 6 through the pulleys and the long rods 10, and then the first contact 11 is abutted and combined with the second contact 12 again, so that the power distribution cabinet automatically keeps an electrified state;
after the cabinet door 2 is opened, the traverse moving plate 7 can slide towards the outside of the cabinet body 1 on the two first cross rods 6, and correspondingly, the third contact 13 moves together with the traverse moving plate 7 and is abutted and combined with the fourth contact 14, so that the light supplementing lamp bar 5 is switched on the power supply 15 to supplement light into the cabinet body 1, and convenience is further brought to the maintenance and inspection work of workers;
in conclusion, through the mutual matching of the components, the power distribution cabinet can be automatically switched to a power-off state or a power-on state according to the opening and closing state of the cabinet door 2, a worker does not need to perform power-off treatment on the power distribution cabinet in advance, convenience is brought to the worker for maintenance and inspection work of the power distribution cabinet, meanwhile, the danger caused by forgetting power-off operation of the worker is avoided, and the safety performance of the power distribution cabinet is greatly improved;
when a worker needs to check the internal circuit of the power distribution cabinet, the normal operation of the power distribution cabinet cannot be affected, and the manager can switch the operating mode of the power distribution cabinet, so that even if the power distribution cabinet still maintains the energized state after the cabinet door 2 is opened, the manager rotates the screw rod 16 in the forward direction, so that the guide rod 17 guides the limiting member 18, the limiting member 18 and the screw rod 16 are in threaded fit and move in the direction away from the cabinet door 2, the abutting state of the roller 21 and the upper inclined plane of the limiting member 18 is released, so that after the subsequent maintenance worker opens the cabinet door 2, the first cylindrical spring 8 and the second cylindrical spring 22 release elastic potential energy simultaneously, the two push-pull plates 20 slide close to each other on the second cross rod 19, the two connecting rods 27 rotate, the two sliding blocks 26 slide close to each other in the sliding grooves 25, and the second contact 12 and the first contact 11 move together with each other while maintaining the abutting state, so that the power distribution cabinet maintains the energized state;
when the screw rod 16 rotates forwards, the screw rod 16 drives the driving wheel 29 to rotate through the driving belt 28, correspondingly, the driving wheel 29 drives the display panel 32 to slide on the cross frame 31 for a certain distance through the connecting piece 30, the display content in the through hole is replaced, and after the cabinet door 2 is opened by a worker, the worker can know whether the power distribution cabinet is powered on or not through the information displayed in the through hole, so that the safety is further improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a but select power-off protection's that opens door safe type switch board, includes the cabinet body (1) and sets up cabinet door (2) of the cabinet body (1) one side, still be fixed with baffle (3) and diaphragm (4) in the cabinet body (1), so that form the control area in the cabinet body (1), its characterized in that still includes:
the first contact (11) is movably arranged on the partition plate (3) and is connected with an elastic mechanism arranged on the partition plate (3), when the cabinet door (2) is in a closed state, the elastic mechanism stores elastic potential energy and enables the first contact (11) to be located at a first placing position, and when the cabinet door (2) is opened, the elastic mechanism releases the elastic potential energy and enables the first contact (11) to move to reach a second placing position;
the second contact (12) is arranged in the control area through an ejection mechanism, is in an abutting state with the first contact (12) and is located at the first placement position, the first contact (11) and the second contact (12) are connected with a control circuit of the power distribution cabinet, the ejection mechanism is connected with a limiting mechanism installed in the control area, the limiting mechanism is used for constraining the ejection mechanism, when the ejection mechanism is in a constrained state and the cabinet door (2) is opened, the first contact (11) is separated from the second contact (12) so that the power distribution cabinet is powered off, and when the limiting mechanism is released from the constrained state of the ejection mechanism, the ejection mechanism releases elastic potential energy and enables the second contact (12) to move to the second placement position together with the first contact (11) in an abutting state so that the power distribution cabinet is kept in a powered-on state after the cabinet door (2) is opened;
display mechanism locates baffle (3) deviate from one side of cabinet door (2) and with stop gear connects, just a opening has been seted up on diaphragm (4), display mechanism is used for passing through after cabinet door (2) are opened the opening shows whether the switch board switches on.
2. The safety power distribution cabinet capable of selectively opening the door and performing power-off protection according to claim 1, wherein the elastic mechanism comprises two first cross rods (6) fixedly arranged on the partition plate (3) through vertical plates, a transverse moving plate (7) slidably arranged on the two first cross rods (6), and a first cylindrical spring (8) sleeved on the outer periphery of the first cross rods (6);
the two ends of the first cylindrical spring (8) are respectively connected with the vertical plate and the transverse moving plate (7), the first contact (11) is installed on the transverse moving plate (7) through an installation frame (9), a pulley is further installed on the transverse moving plate (7) through a long rod (10), and the pulley is abutted to the inner wall of the cabinet door (2).
3. The safety power distribution cabinet capable of selecting open-door power-off protection as claimed in claim 2, wherein a light supplementing lamp bar (5) is further disposed on an inner wall of the cabinet body (1), the light supplementing lamp bar (5) is electrically connected to a power supply (15) and a fourth contact (14) which are mounted on the partition plate (3), respectively, a third contact (13) is mounted on a side of the traverse plate (7) facing the power supply (15), and the third contact (13) is electrically connected to the power supply (15).
4. The safety power distribution cabinet capable of selectively opening the door and performing power-off protection according to claim 1, wherein the ejection mechanism comprises a symmetrical sliding assembly mounted on the partition plate (3) and a push-pull structure connected with the symmetrical sliding assembly, and the symmetrical sliding assembly is matched with the limiting mechanism.
5. The safety cabinet according to claim 4, characterized in that the symmetrical sliding assemblies comprise two second cross bars (19) fixedly mounted on the partition (3) through two vertical plates and two push-pull plates (20) slidably mounted on the two second cross bars (19), two second cylindrical springs (22) are sleeved on the two second cross bars (19), one end of each second cylindrical spring (22) is connected to the push-pull plate (20), and the other end of each second cylindrical spring is connected to the vertical plate.
6. The safety power distribution cabinet capable of selectively opening the door and performing power-off protection according to claim 5, wherein the push-pull structure comprises two third cross rods (23) fixedly installed on the partition plate (3), a push plate (24) slidably arranged on the two third cross rods (23), and two connecting rods (27) rotatably installed on one sides, facing the push plate (24), of the two push-pull plates (20), the middle points of the two connecting rods (27) are rotatably connected, and the second contact (12) is installed on one side of the push plate (24);
one side, away from the second contact (12), of the push plate (24) is provided with a sliding groove (25), two sliding blocks (26) are symmetrically embedded in the sliding groove (25) in a sliding mode, and one ends, away from the push-pull plate (20), of the two connecting rods (27) are hinged to the two sliding blocks (26) respectively.
7. The safety power distribution cabinet capable of selectively protecting the power supply from being opened according to claim 6, wherein the limiting mechanism comprises a screw rod (16) rotatably mounted on the inner wall of the cabinet body (1), a limiting member (18) arranged on the screw rod (16) and in threaded connection therewith, and a guide rod (17) fixedly mounted on the inner wall of the cabinet body (1) and in sliding connection with the limiting member (18);
the limiting piece (18) is arranged in a shape similar to an isosceles triangle, two push-pull plates (20) are respectively provided with a roller (21), and the rollers (21) are abutted to the inclined plane of the limiting piece (18).
8. The safety power distribution cabinet capable of selectively opening the door and performing power-off protection according to claim 7, wherein the display mechanism comprises two driving wheels (29) rotatably mounted on the partition plate (3), a connecting member (30) for connecting the two driving wheels (29) in a rolling manner, a cross frame (31) fixedly mounted on the transverse plate (4), and a display plate (32) slidably arranged on the cross frame (31) and fixedly connected with the connecting member (30);
one of the driving wheels (29) is connected with the screw rod (16) through a driving belt (28), the display board (32) is in sliding fit with the transverse board (4), and two display areas matched with the through holes are arranged on the display board (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211360387.2A CN115547710A (en) | 2022-11-02 | 2022-11-02 | Safe power distribution cabinet capable of selecting door opening power-off protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211360387.2A CN115547710A (en) | 2022-11-02 | 2022-11-02 | Safe power distribution cabinet capable of selecting door opening power-off protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115547710A true CN115547710A (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211360387.2A Pending CN115547710A (en) | 2022-11-02 | 2022-11-02 | Safe power distribution cabinet capable of selecting door opening power-off protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316163A (en) * | 2023-05-11 | 2023-06-23 | 鸿盛建设有限公司 | Integrated photovoltaic power generation and distribution grid cabinet |
| CN117810826A (en) * | 2023-12-29 | 2024-04-02 | 江苏翔安电气成套设备有限公司 | High-low voltage intelligent power distribution cabinet |
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2022
- 2022-11-02 CN CN202211360387.2A patent/CN115547710A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316163A (en) * | 2023-05-11 | 2023-06-23 | 鸿盛建设有限公司 | Integrated photovoltaic power generation and distribution grid cabinet |
| CN116316163B (en) * | 2023-05-11 | 2023-08-01 | 鸿盛建设有限公司 | Integrated photovoltaic power generation and distribution grid cabinet |
| CN117810826A (en) * | 2023-12-29 | 2024-04-02 | 江苏翔安电气成套设备有限公司 | High-low voltage intelligent power distribution cabinet |
| CN117810826B (en) * | 2023-12-29 | 2024-06-07 | 江苏翔安电气成套设备有限公司 | High-low voltage intelligent power distribution cabinet |
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