CN217486148U - Portable box type current protection device - Google Patents
Portable box type current protection device Download PDFInfo
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- CN217486148U CN217486148U CN202220888717.4U CN202220888717U CN217486148U CN 217486148 U CN217486148 U CN 217486148U CN 202220888717 U CN202220888717 U CN 202220888717U CN 217486148 U CN217486148 U CN 217486148U
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Abstract
The utility model provides a portable box type current protection device, which comprises a box body, a box cover and an execution module; the bottom of the box body is provided with a plurality of rollers, one side of the box body is provided with a pull rod, the other side of the box body is movably provided with a box cover, and an execution module is arranged in the box body; the execution module comprises an opening unit, an alternating current input unit, an operation loop unit, a man-machine interaction unit and a control unit; the opening unit, the alternating current input unit, the operation loop unit and the human-computer interaction unit are all connected with the control unit; the output end of the control unit is connected with a breaker of the protected equipment, namely the control unit outputs tripping and closing signals to control the breaker of the protected equipment to realize fault isolation. The utility model discloses can provide interim protection during the protection device of the outages service for the electric line change, realize not having the power failure and change the protection device of the outages service.
Description
Technical Field
The utility model relates to a portable box current protection device belongs to electric power system relay protection technical field.
Background
The protection device is the core guarantee of safe and stable operation of the power grid, the service life of the microcomputer protection device is regulated to be 12 years by the current national and industrial standards, the service life exceeding the service life is called as overdue service, the problem that the defect rate of key modules is increased and the reliability is rapidly reduced exists in the protection device for overdue service, the quality is difficult to guarantee, and the protection device for overdue service is further a prominent hidden danger influencing the safe operation of the power grid, so the protection device for overdue service needs to be replaced in time.
The power system does not allow power to be supplied to users without the protection device, so that power failure is needed temporarily when the protection device is replaced, the time for replacing the protection device which is out of service at present needs 8-24 hours, and certain production economic loss can be caused by the fact that the users lose power supply during the power failure.
In addition, part of important lines cannot be subjected to abnormal treatment or transformation and replacement work in a switch power failure mode, so that the number of the protection devices in the over-service period is increased day by day, the abnormal exit of the protection devices occurs sometimes, and the power supply reliability is seriously influenced.
Therefore, the present application provides a portable box-type current protection device to solve the problems existing in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable box current protection device can provide interim protection during the protection device of the super active service of power supply line change, realizes not having a power failure to change the protection device of the super active service.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a portable box type current protection device, which comprises a box body, a box cover and an execution module;
the bottom of the box body is provided with a plurality of rollers, one side of the box body is provided with a pull rod, the other side of the box body is movably provided with a box cover, and an execution module is arranged in the box body;
the execution module comprises an opening unit, an alternating current input unit, an operation loop unit, a man-machine interaction unit and a control unit;
the opening unit, the alternating current input unit, the operation loop unit and the human-computer interaction unit are all connected with the control unit;
and the output end of the control unit is connected with a circuit breaker of the protected equipment.
Further, the opening unit comprises an opening aviation socket and an opening cable;
an opening plug is arranged at one end of the opening cable, and an opening chuck is arranged at the other end of the opening cable;
the opening plug is inserted into the opening aviation socket;
the opening chuck is connected with a state signal terminal of the protected equipment.
Further, the outlet unit comprises an outlet aviation socket and an outlet cable;
an outlet plug is arranged at one end of the outlet cable, and an outlet chuck is arranged at the other end of the outlet cable;
the outlet plug is plugged in the outlet aviation socket;
the outlet chuck is connected with a switching value signal terminal of protected equipment.
Further, the alternating current input unit comprises an alternating current input aviation socket and an alternating current input cable;
an alternating current input plug is arranged at one end of the alternating current input cable, and an alternating current input chuck is arranged at the other end of the alternating current input cable;
the alternating current input plug is plugged in the alternating current input aviation socket;
the alternating current input chuck is connected with an alternating current signal terminal of protected equipment.
Further, the operation loop unit comprises an operation loop aviation socket and an operation loop cable;
one end of the operation loop cable is provided with an operation loop plug, and the other end of the operation loop cable is provided with an operation loop chuck;
the operation loop plug is plugged on the operation loop aviation socket;
the operating circuit clamp is connected with an operating circuit terminal of the protected device.
Further, the human-computer interaction unit comprises a display and an operation key;
the output end of the operation key is connected with the control unit, and the output end of the control unit is connected with the display.
Further, the execution module comprises an indicator light;
the indicator light is connected with the output end of the control unit.
Further, the box is arranged in a hexahedral structure.
Further, the rollers are universal rollers.
Further, the pull rod comprises an upper pull rod and a lower pull rod;
the upper pull rod is movably embedded in the lower pull rod;
the lower pull rod is installed on the box body.
Compared with the prior art, the utility model discloses following beneficial effect can be brought:
the utility model is provided with the box body with the roller and the pull rod to accommodate the execution module, thereby not only protecting each element of the execution module, but also improving the convenience of carrying and using the portable box type current protection device; the utility model discloses a parallelly connected with the protection device of the out-of-service, for the power supply line provides interim protection, realize not stopping to change the protection device of the out-of-service under the condition of user's power supply.
Drawings
Fig. 1 is a schematic structural view of the portable box type current protection device of the present invention;
FIG. 2 is a schematic structural diagram of an execution module according to the present invention;
in the figure: 1. the aircraft comprises a box body, 2, an execution module, 3, an operation panel, 4, a pull rod, 5, a roller, 6, a box cover, 201, an operation key, 202, a display, 203, an indicator light, 301, an input aviation socket, 302, an output aviation socket, 303, an alternating current input aviation socket, 304 and an operation loop aviation socket.
Detailed Description
The present invention will be further explained with reference to the attached drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The present embodiment provides a portable box-type current protection device.
Referring to fig. 1, the portable box type current protection device includes a box body 1, a box cover 6 and an execution module 2. Wherein, the bottom of the box body is provided with a plurality of rollers 5, one side of the box body is provided with a pull rod 4, the other side of the box body is movably provided with a box cover 6, and the box body is internally provided with an execution module 2.
Referring to fig. 2, the execution module 2 includes an input unit, an output unit, an ac input unit, an operation loop unit, a human-computer interaction unit, and a control unit. The circuit breaker protection device comprises an opening unit, an alternating current input unit, an operation loop unit and a human-computer interaction unit, wherein the opening unit, the alternating current input unit, the operation loop unit and the human-computer interaction unit are all connected with a control unit, the output end of the control unit is connected with the circuit breaker of protected equipment, and during actual application, the control unit outputs tripping and closing signals to control the circuit breaker of the protected equipment to achieve fault isolation.
In the application, the execution module 2 comprises an operation panel 3, the operation panel 3 and a box body form a containing cavity, a control unit is arranged in the containing cavity, the output end of the control unit is connected with an indicator lamp 203, and the indicator lamp 203, an opening unit, an alternating current input unit, an operation loop unit and a human-computer interaction unit are all arranged on the operation panel 3. In addition, the embodiment further comprises a protection power supply unit which is connected with an external power supply and supplies power to the portable box type current protection device.
When this embodiment is used, 6 one sides of case lid are through first installed part and 1 hinge of box, and 6 opposite sides of case lid are passed through second installed part and can be dismantled with box 1 and be connected, avoid in the course of the work case lid 6 to lose or impaired, improve the life of this embodiment. In addition, the handle is arranged on the outer side of the box cover 6, so that the practicability and convenience of the embodiment are improved.
The utility model is provided with the box body with the roller and the pull rod to accommodate the execution module, thereby not only protecting each element of the execution module, but also improving the convenience of carrying and using the portable box type current protection device; the utility model discloses a protection device with the super-service is parallelly connected, for the power supply line provides interim protection, realizes not stopping to change the protection device of super-service under the condition of user's power supply.
Example 2
On the basis of embodiment 1, the present embodiment describes the input unit, the output unit, the ac input unit, the operation loop unit, and the human-computer interaction unit in detail.
(I) an opening unit
The entry unit comprises an entry aviation socket 301 and an entry cable. Wherein, one end of the open cable is provided with an open plug, and the other end of the open cable is provided with an open chuck; the opening plug is inserted on the opening aviation socket; the state signal wiring terminal of the chuck connection protected equipment of opening into has realized opening into the plug-and-play of cable, has improved the speed of this embodiment installation and dismantlement.
When the embodiment is applied, the open-to-air socket 301 adopts a green 10-core structure.
In the application, the state signal wiring end of the protected equipment comprises a power supply terminal, a spring energy storage terminal, a circuit breaker position terminal, a handcart position terminal and a ground knife position terminal, and the opening unit of the embodiment can obtain a power supply signal, a spring energy storage signal, a circuit breaker position signal, a handcart position signal and a ground knife position signal of the protected equipment.
(II) opening unit
The breakout unit includes a breakout aerial socket 302 and a breakout cable. Wherein, one end of the outgoing cable is provided with an outgoing plug, and the other end of the outgoing cable is provided with an outgoing chuck; the outlet plug is plugged in the outlet aviation socket; the opening chuck is connected with the switching value signal wiring terminal of the protected equipment, plug and play of the opening cable is realized, and the speed of installation and disassembly of the embodiment is improved.
When the embodiment is applied, the aviation socket 302 is designed to be of a green 8-core structure.
In application, the switching value signal terminal of the protected device comprises a tripping and closing terminal, a failure terminal and an alarm terminal, and the switching-off unit of the embodiment can output a tripping and closing state signal, a failure signal and an alarm signal required by the protected device.
(III) AC input unit
The ac input unit includes an ac input airline socket 303 and an ac input cable. Wherein, one end of the AC input cable is provided with an AC input plug, and the other end of the AC input cable is provided with an AC input chuck; the alternating current input plug is plugged in the alternating current input aviation socket; the alternating current input chuck is connected with an alternating current signal wiring terminal of the protected device, so that the plug and play of the alternating current input cable is realized, and the mounting and dismounting speed of the embodiment is improved.
When the embodiment is applied, the ac input aviation socket 303 adopts a black 6-core structure.
In application, the alternating current signal wiring terminal is an output terminal of a secondary circuit of a three-phase primary current transformer and comprises A, B, C three-phase current polarity terminals and non-polarity terminals, and the alternating current input unit of the embodiment can obtain A, B, C three-phase current signals of protected equipment.
(IV) operation Circuit Unit
The operating loop unit includes an operating loop aerial socket 304 and an operating loop cable. Wherein, one end of the operation loop cable is provided with an operation loop plug, and the other end of the operation loop cable is provided with an operation loop chuck; the operation loop plug is plugged in the operation loop aviation socket; the operation loop chuck is connected with the operation loop wiring terminal of the protected device, plug and play of the operation loop cable is achieved, and the speed of installation and disassembly of the embodiment is improved.
In this embodiment, the aviation socket 304 of the operation circuit is a black 8-core structure.
In application, the operation loop wiring end is a breaker operation loop control end and comprises a loop tripping end, a loop closing end and an operation power end, and the operation loop unit of the embodiment can drive a breaker of protected equipment to trip and close.
(V) human-computer interaction unit
The human-computer interaction unit comprises a display 202 and operation keys 201. Wherein, the output end of the operation key 201 is connected with the control unit, and the output end of the control unit is connected with the display 202.
In application, the portable box type current protection device is connected with the protection device in extended service in parallel to provide temporary protection for a power supply line of protected equipment, the protection device in extended service can be replaced under the condition of not stopping power supply, and after the protection device in extended service is replaced, a worker removes the portable box type current protection device.
After the power is connected, the operator sets a current setting value and a time threshold value through the operation key 201. The display 202 is capable of displaying a power signal, a spring stored energy signal, a circuit breaker position signal, a hand truck signal, a ground knife signal, a trip status signal, a malfunction signal, an alarm signal, an A, B, C three-phase current signal, and a circuit breaker status signal for the protected device.
In practical application, when a current signal of an A phase, a B phase or a C phase exceeds a current setting value, the control unit controls the circuit breaker to trip, and in application, the circuit breaker is an alternating current or direct current circuit breaker; when the current signal of the phase a, the phase B or the phase C exceeds the current setting value and the circuit breaker state signal displayed by the display 202 is a connection state signal continuously within a time threshold, the control unit outputs a protection trip signal, that is, drives the circuit breaker to trip.
The utility model improves the identification degree of each aviation socket and reduces the error plugging condition of the working personnel by setting different open aviation sockets, AC input aviation sockets and operation loop aviation sockets with different colors and different core numbers; improve through setting up the human-computer interaction unit the utility model discloses an application scope.
Example 3
On the basis of embodiment 1 or 2, this embodiment describes the structure of the case in detail.
Referring to fig. 1, a case 1 is provided in a hexahedral structure. The bottom of the box body 1 is provided with 2-4 rollers 5, and each roller 5 is a universal roller. A pull rod 4 is arranged on the back side of the box body 1, and the pull rod 4 comprises an upper pull rod and a lower pull rod; the upper pull rod is movably embedded in the lower pull rod; the lower pull rod is fixedly arranged on the box body 1. The utility model discloses the convenience that portable box current protection device carried has greatly been improved.
Claims (10)
1. A portable box type current protection device is characterized by comprising a box body (1), a box cover (6) and an execution module (2);
the bottom of the box body is provided with a plurality of rollers (5), one side of the box body is provided with a pull rod (4), the other side of the box body is movably provided with a box cover (6), and an execution module (2) is arranged in the box body;
the execution module (2) comprises an opening unit, an alternating current input unit, an operation loop unit, a man-machine interaction unit and a control unit;
the opening unit, the alternating current input unit, the operation loop unit and the human-computer interaction unit are all connected with the control unit;
and the output end of the control unit is connected with a circuit breaker of the protected equipment.
2. The portable box current protection device of claim 1, wherein the entry unit comprises an entry airline socket (301) and an entry cable;
an opening plug is arranged at one end of the opening cable, and an opening chuck is arranged at the other end of the opening cable;
the opening plug is inserted into the opening aviation socket;
the opening chuck is connected with a state signal terminal of the protected equipment.
3. The portable box current protection device of claim 1, wherein the outlet unit comprises an outlet airline socket (302) and an outlet cable;
an outlet plug is arranged at one end of the outlet cable, and an outlet chuck is arranged at the other end of the outlet cable;
the outlet plug is plugged in the outlet aviation socket;
the outlet chuck is connected with a switching value signal terminal of protected equipment.
4. The portable box current protection device of claim 1, wherein said ac input unit comprises an ac input aero socket (303) and an ac input cable;
an alternating current input plug is arranged at one end of the alternating current input cable, and an alternating current input chuck is arranged at the other end of the alternating current input cable;
the alternating current input plug is plugged in the alternating current input aviation socket;
the alternating current input chuck is connected with an alternating current signal terminal of protected equipment.
5. The portable box current protection device of claim 1, wherein the operating circuit unit comprises an operating circuit aero receptacle (304) and an operating circuit cable;
one end of the operation loop cable is provided with an operation loop plug, and the other end of the operation loop cable is provided with an operation loop chuck;
the operating loop plug is plugged in the operating loop aviation socket;
the operating circuit clamp is connected with an operating circuit terminal of the protected device.
6. The portable box current protection device of claim 1, wherein the human-computer interaction unit comprises a display (202) and operation keys (201);
the output end of the operation key (201) is connected with the control unit, and the output end of the control unit is connected with the display (202).
7. The portable box current protection device according to claim 1, characterized in that said execution module (2) comprises an indicator light (203);
the indicator lamp (203) is connected with the output end of the control unit.
8. Portable box current protection device according to claim 1, characterized in that said box (1) is provided in a hexahedral configuration.
9. Portable box current protection device according to claim 1, characterized in that said roller (5) is a universal roller.
10. The portable box current protection device according to claim 1, wherein the tie bar (4) comprises an upper tie bar and a lower tie bar;
the upper pull rod is movably embedded in the lower pull rod;
the lower pull rod is installed on the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888717.4U CN217486148U (en) | 2022-04-18 | 2022-04-18 | Portable box type current protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888717.4U CN217486148U (en) | 2022-04-18 | 2022-04-18 | Portable box type current protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217486148U true CN217486148U (en) | 2022-09-23 |
Family
ID=83309077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220888717.4U Active CN217486148U (en) | 2022-04-18 | 2022-04-18 | Portable box type current protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217486148U (en) |
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2022
- 2022-04-18 CN CN202220888717.4U patent/CN217486148U/en active Active
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