CN212304430U - Uninterrupted current terminal replacing device - Google Patents
Uninterrupted current terminal replacing device Download PDFInfo
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- CN212304430U CN212304430U CN202021046104.3U CN202021046104U CN212304430U CN 212304430 U CN212304430 U CN 212304430U CN 202021046104 U CN202021046104 U CN 202021046104U CN 212304430 U CN212304430 U CN 212304430U
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- 238000012544 monitoring process Methods 0.000 claims description 20
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model relates to an electric power technology field is a current terminal replacement device does not have a power failure, and it includes cable puncture connecting piece, three-phase current collection display element, power supply unit, three-phase current collection display element is connected with power supply unit, all is connected with the test wire at three-phase current collection display element's three-phase input and three-phase output, has cable puncture connecting piece at the equal fixed mounting of end of every test wire. The utility model has the advantages of reasonable and compact structure, convenient to use through the current terminal of cable puncture connecting piece short circuit damage, keeps current loop and relevant secondary equipment normal operating, can real-time supervision current loop short circuit fastness, under the circumstances of guaranteeing personal safety and equipment normal operating to realized the processing of not having a power failure that the current secondary loop was opened a way, guaranteed the normal steady operation of electric wire netting and secondary equipment.
Description
Technical Field
The utility model relates to an electric power tech field is a current terminal replacement device does not have a power failure.
Background
In the power system, the current terminal is used as important secondary equipment and is used for being connected into the secondary equipment, and the normal operation of the current terminal ensures the normal operation of a current secondary loop and the secondary equipment. When the current terminal has an open circuit fault, the current terminal which is open is mostly in short circuit, so that the normal operation of a current secondary loop and secondary equipment is ensured, and the work of replacing the current terminal is adjusted to be less than that of a power system, so that the influence of power failure is reduced to the minimum. In the mode, the short-circuit current terminal is not firm and can only be used as a temporary treatment measure for current open circuit, and the power failure still needs to be scheduled for time to replace the current terminal, so that the time for treating the open circuit of the current loop is long, and a larger operation risk is caused to a power grid and related secondary equipment.
Disclosure of Invention
The utility model provides a current terminal replacement device does not have a power failure has overcome above-mentioned prior art not enough, and the problem that can not change the current terminal under the basis that does not have a power failure that the processing mode that its can effectively solve current terminal to take place to open a way the trouble exists.
The technical scheme of the utility model is realized through following measure: the utility model provides a device is changed to current terminal that does not have a power failure, includes cable puncture connecting piece, three-phase current collection display element, power supply unit, three-phase current collection display element is connected with power supply unit, all is connected with the test wire at three-phase current collection display element's three-phase input and three-phase output, has cable puncture connecting piece at the equal fixed mounting in the end of every test wire.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the power supply unit can comprise a DC/AC converter, a battery module, a voltage monitoring module and an undervoltage indicator lamp, wherein the battery module is respectively connected with the DC/AC converter and the voltage monitoring module, the DC/AC converter is connected with the three-phase current acquisition display unit, and the voltage monitoring module is connected with the undervoltage indicator lamp.
The power supply unit can further comprise a single-pole double-throw switch, a charging control switch, a charging module, a charging indicator light and a charging socket, wherein the movable end of the single-pole double-throw switch is connected with the battery module, the first immovable end of the single-pole double-throw switch is connected with the charging module, the second immovable end of the single-pole double-throw switch is respectively connected with the DC/AC converter and the voltage monitoring module, the battery module is respectively connected with the charging module, the DC/AC converter and the voltage monitoring module, the charging module is connected with the charging indicator light, and the charging module is connected with the charging socket through the charging control switch.
The power supply can further comprise an insulating shell, wherein the insulating shell is provided with an under-voltage indicator lamp, a single-pole double-throw switch, a charging control switch, a charging indicator lamp, a charging socket, a three-phase current acquisition and display unit, a three-phase input terminal, a three-phase output terminal, a grounding terminal and a backlight switch, and the insulating shell is internally provided with a DC/AC converter, a battery module, a voltage monitoring module and a charging module.
The three-phase current acquisition and display unit can be a digital three-phase ammeter.
The utility model has the advantages of reasonable and compact structure, high durability and convenient use, through the current terminal of cable puncture connecting piece short circuit damage, keep current circuit and relevant secondary equipment normal operating, the fastness of ability real-time supervision current circuit short circuit, under the circumstances of guaranteeing personal safety and equipment normal operating, and realized the processing that does not have a power failure that the current secondary circuit was opened a way, change the current terminal promptly under the condition that does not have a power failure, the time of having shortened the current circuit and opening a way, the normal steady operation of electric wire netting and secondary equipment has been guaranteed.
Drawings
Fig. 1 is a schematic diagram of a circuit structure of an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a power supply unit according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
The codes in the figures are respectively: 1 is insulating housing, 2 is three phase current acquisition display element, 3 is the under-voltage pilot lamp, 4 are the charge indicator lamp, 5 is single-pole double-throw switch, A, B, C is three phase current acquisition display element's three-phase input, a, b, c are three phase current acquisition display element's three-phase output, L is the cable puncture connecting piece, J is the current terminal, b1 is the movable end of single-pole double-throw switch, d1 is the first immovable end of single-pole double-throw switch, d2 is the second immovable end of single-pole double-throw switch.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout of the drawings in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, the uninterrupted current terminal replacing device comprises a cable puncture connecting piece L, a three-phase current collecting and displaying unit 2 and a power supply unit, wherein the three-phase current collecting and displaying unit 2 is connected with the power supply unit, a three-phase input end A, B, C and three-phase output ends a, b and c of the three-phase current collecting and displaying unit 2 are connected with test lines, and the cable puncture connecting piece L is fixedly installed at the tail end of each test line.
In the above technical solution, the cable piercing connector L is a known technology in the prior art, and may be a T-shaped cable piercing connector; the power supply unit supplies power for the three-phase current acquisition and display unit 2. The three-phase current acquisition and display unit 2 can be a digital three-phase ammeter.
In actual operation, as shown in fig. 1, if an open circuit fault occurs in a certain current terminal J, the cables at the two ends of the current terminal J are clamped by the cable puncture connecting pieces L of the three-phase current acquisition and display unit 2, and each cable puncture connecting piece L is screwed down to puncture the cable insulation sheath, so that short circuit is realized on current electrons, the three-phase current acquisition and display unit 2 is observed, and when the current display is stable, the short circuit of the current terminal J is good; at this time, the operator can take off the current terminal J that has opened the circuit, replace the new current terminal J, take off each cable piercing connector L after the replacement is finished, repair the pierced cable insulation sheath, and complete the replacement operation of the current terminal J.
The utility model discloses a current terminal J that reliable short circuit damaged keeps current loop and relevant secondary equipment normal operating to ability real-time supervision current loop short circuit fastness under the circumstances of guaranteeing personal safety and equipment normal operating, realizes the processing of not having a power failure that the current secondary loop was opened a way, changes current terminal under the condition that does not have a power failure promptly, has shortened the time that the current loop was opened a way, has guaranteed the normal steady operation of electric wire netting and secondary equipment.
The uninterrupted current terminal replacing device can be further optimized or/and improved according to actual needs:
as shown in fig. 2, the power supply unit includes a DC/AC converter, a battery module, a voltage monitoring module and an undervoltage indicator lamp 3, the battery module is connected with the DC/AC converter and the voltage monitoring module, the DC/AC converter is connected with the three-phase current collecting and displaying unit 2, and the voltage monitoring module is connected with the undervoltage indicator lamp 3.
In the technical scheme, the battery module can be a 7.4V5000mAh polymer lithium battery and provides electric energy; the voltage monitoring module is a known technology in the prior art, can be an LM311 chip, and is used for monitoring the electric quantity of the battery module, when the electric quantity is lower than a set value, the under-voltage indicator lamp 3 is controlled to be lightened, and the electric quantity of the battery module is alarmed to an operator, so that the normal use of the utility model is ensured; the DC/AC converter is a known technology, and converts the direct current output by the power module into alternating current for the three-phase current acquisition and display unit 2.
As shown in fig. 2, the power supply unit further includes a single-pole double-throw switch 5, a charging control switch, a charging module, a charging indicator lamp 4, and a charging socket, wherein a moving terminal b1 of the single-pole double-throw switch is connected to the battery module, a first stationary terminal d1 of the single-pole double-throw switch is connected to the charging module, a second stationary terminal d2 of the single-pole double-throw switch is connected to the DC/AC converter and the voltage monitoring module, the battery module is connected to the charging module, the DC/AC converter and the voltage monitoring module, the charging module is connected to the charging indicator lamp 4, and the charging module is connected to the charging socket through the charging control switch.
The charging module in the above technical solution is a conventional technology, and may be a charger with ac input and dc output for charging the battery module. The charging control switch is used for controlling whether the charging module is connected with the alternating current or not. The single-pole double-throw switch 5 is used for switching the working state of the battery module, and during actual use, the battery module is charged by 1: closing the charging control switch, connecting the moving end b1 of the single-pole double-throw switch with the first fixed end d1 of the single-pole double-throw switch, and observing the charging indicator lamp 4 to determine the charging state (full or in the charging process); 2. the battery module supplies power: the moving end b1 of the single-pole double-throw switch is connected with the second fixed end d2 of the single-pole double-throw switch to supply power to the three-phase current acquisition and display unit.
As shown in fig. 3, the power supply further comprises an insulating casing 1, wherein an under-voltage indicator lamp 3, a single-pole double-throw switch 5, a charging control switch, a charging indicator lamp 4, a charging socket, a three-phase current acquisition and display unit 2, a three-phase input terminal A, B, C, three-phase output terminals a, b and c and a grounding terminal are arranged on the insulating casing 1, and a DC/AC converter, a battery module, a voltage monitoring module and a charging module are arranged in the insulating casing 1.
Among the above-mentioned technical scheme, three-phase input A, B, C and three-phase output a, b, c all are connected with the test wire, and all fixed mounting has cable puncture connecting piece L at the end of every test wire. The ground terminal is connected to the insulating housing 1 and also to the ground line of the charging socket.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (5)
1. The utility model provides a current terminal replacement device that does not have a power failure, its characterized in that includes cable puncture connecting piece, three-phase current collection display element, power supply unit, three-phase current collection display element is connected with power supply unit, gathers display element's three-phase input and three-phase output at three-phase current and all is connected with the test wire, at the equal fixed mounting of the end of every test wire cable puncture connecting piece.
2. The uninterrupted power supply device for the current terminal, according to claim 1, wherein the power supply unit comprises a DC/AC converter, a battery module, a voltage monitoring module and an undervoltage indicator light, the battery module is respectively connected with the DC/AC converter and the voltage monitoring module, the DC/AC converter is connected with the three-phase current collecting and displaying unit, and the voltage monitoring module is connected with the undervoltage indicator light.
3. The device according to claim 2, wherein the power supply unit further comprises a single-pole double-throw switch, a charging control switch, a charging module, a charging indicator light, and a charging socket, wherein a moving end of the single-pole double-throw switch is connected to the battery module, a first fixed end of the single-pole double-throw switch is connected to the charging module, a second fixed end of the single-pole double-throw switch is connected to the DC/AC converter and the voltage monitoring module, the battery module is connected to the charging module, the DC/AC converter and the voltage monitoring module, the charging module is connected to the charging indicator light, and the charging module is connected to the charging socket through the charging control switch.
4. The uninterrupted power supply current terminal replacing device according to claim 3, further comprising an insulating shell, wherein the insulating shell is provided with an under-voltage indicator lamp, a single-pole double-throw switch, a charge control switch, a charge indicator lamp, a charge socket, a three-phase current acquisition and display unit, a three-phase input terminal, a three-phase output terminal, a grounding terminal and a backlight switch, and the insulating shell is internally provided with a DC/AC converter, a battery module, a voltage monitoring module and a charging module.
5. The uninterrupted power supply according to any one of claims 1 to 4, wherein the three-phase current collecting and displaying unit is a digital three-phase ammeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021046104.3U CN212304430U (en) | 2020-06-09 | 2020-06-09 | Uninterrupted current terminal replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021046104.3U CN212304430U (en) | 2020-06-09 | 2020-06-09 | Uninterrupted current terminal replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304430U true CN212304430U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021046104.3U Active CN212304430U (en) | 2020-06-09 | 2020-06-09 | Uninterrupted current terminal replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212304430U (en) |
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2020
- 2020-06-09 CN CN202021046104.3U patent/CN212304430U/en active Active
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