CN204179496U - A kind of anticreep maintenance power box - Google Patents
A kind of anticreep maintenance power box Download PDFInfo
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- CN204179496U CN204179496U CN201420492196.6U CN201420492196U CN204179496U CN 204179496 U CN204179496 U CN 204179496U CN 201420492196 U CN201420492196 U CN 201420492196U CN 204179496 U CN204179496 U CN 204179496U
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Abstract
The anticreep maintenance power box of one of the present utility model, comprises casing, guidance panel, is provided with three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker, the first single-phase socket, the second single-phase socket in described casing; Described guidance panel forms perforate; Described guidance panel is respectively equipped with the first input phase terminal, the second input phase terminal, the 3rd input phase terminal, input neutral line terminals along described perforate both sides, casing earth terminal and first exports phase terminal, the second output phase terminal, the 3rd exports phase terminal, the first single-phase output hot terminal, the first single-phase output zero line terminals, the second single-phase output hot terminal, the second single-phase output zero line terminals; The anticreep maintenance power box of one of the present utility model solves prior art maintenance power box and operates unsafe technical problem.
Description
Technical field
The utility model relates to a kind of auxiliary equipment used in grid maintenance process, particularly relates to a kind of anticreep maintenance power box.
Background technology
Along with the rapid expansion of electrical network scale, the workload such as maintenance, maintenance of the network system comprising transformer station is also significantly increased.In the maintenance repair, maintenance work of transformer station, need to use some electric tools and illuminations, as pressure oil filter, electric wrench, maintenance lamp etc.Therefore, frequent meeting use and maintenance power supply box is as external power supply feed point.
At present, conventional maintenance power box is provided with control switch, some binding posts.During use, total binding post of power supply box is connected to by the mode of solderless wrapped connection wiring on the binding post of transformer station's low pressure maintenance power-supply device, then be wrapped on the binding post of maintenance power box by the wiring of used electric tool or illuminations, opening control switch after connecting can use.But if need to check whether maintenance power box is in on-state, can only judge, and maintenance power box does not have insulation protection measure according to the mechanical location of control switch, like this, maintainer easily gets an electric shock in the process of wiring.
Utility model content
For this reason, technical problem to be solved in the utility model is that the operation of prior art maintenance power box is dangerous, thus proposes a kind of anticreep maintenance power box and solve this problem.
The anticreep maintenance power box of one of the present utility model, comprise casing, described casing one side has guidance panel, is provided with three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker, the first single-phase socket, the second single-phase socket in described casing; Described guidance panel forms perforate, and the jack face of the hand switch face of described three-phase overload protection circuit breaker, the first single phase leakage braker, the second single-phase earth leakage open circuit and described first single-phase socket, the second single-phase socket is exposed from described perforate; Described guidance panel is provided with the first input phase terminal, the second input phase terminal, the 3rd input phase terminal, input neutral line terminals and casing earth terminal along described perforate side; Described guidance panel is provided with the first output phase terminal, second along described perforate opposite side and exports phase terminal, the 3rd output phase terminal, the first single-phase output hot terminal, the first single-phase output zero line terminals, the second single-phase output hot terminal, the second single-phase output zero line terminals; Described three-phase overload protection circuit breaker three input inputs phase terminal, second respectively and inputs phase terminal, the 3rd and input phase terminal and be electrically connected with described first, described three-phase overload protection circuit breaker three output exports phase terminal, second respectively and exports phase terminal, the 3rd and export phase terminal and be electrically connected with described first; Described first single phase leakage braker input is electrically connected with one of described three-phase overload protection circuit breaker three output, described first single phase leakage braker output is electrically connected with the first single-phase output hot terminal, and described first single-phase output zero line terminals are electrically connected with described input neutral line terminals; Described second single phase leakage braker input is electrically connected with one of described three-phase overload protection circuit breaker three output, described second single phase leakage braker output is electrically connected with the second single-phase output hot terminal, and described second single-phase output zero line terminals are electrically connected with described input neutral line terminals; Described first single-phase socket live wire end is electrically connected with described first single phase leakage braker output, and described first single-phase socket zero line side is electrically connected with described input neutral line terminals; Described second single-phase socket live wire end is electrically connected with described second single phase leakage braker output, and described second single-phase socket zero line side is electrically connected with described input neutral line terminals; Described casing earth terminal ground connection.
Preferably; in described guidance panel; between described input neutral line terminals and described casing earth terminal, also laterally be provided with the first indicator light, the second indicator light, the 3rd indicator light, described three-phase overload protection circuit breaker three output exports phase terminal, second respectively through described first indicator light, the second indicator light, the 3rd indicator light and described first and exports phase terminal, the 3rd and export phase terminal and be electrically connected.
Preferably, the model of described three-phase overload protection circuit breaker is DZ47-63.
Preferably, the model of described first single phase leakage braker, the second single phase leakage braker is DZL18-20.
Preferably, described first single-phase socket, described second single-phase socket are Three-hole socket, and described first single-phase socket earth terminal, described second single-phase socket earth terminal are electrically connected with described casing earth terminal respectively.
Preferably, described first single-phase socket, described second single-phase socket are Double-hole socket.
Preferably, described first single-phase socket is Three-hole socket, and described second single-phase socket is Double-hole socket, and described first single-phase socket earth terminal is electrically connected with described casing earth terminal.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the anticreep maintenance power box of one of the present utility model; owing to being provided with three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker, the first single-phase socket, the second single-phase socket in casing; guidance panel forms perforate, and the jack face of the hand switch face of three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker and the first single-phase socket, the second single-phase socket is exposed from described perforate.The fixed structure that this perforate is installed; make the fixing more firm of three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker, the first single-phase socket, the second single-phase socket; handled easily; and avoid the conducting position of above-mentioned electric component for human contact, processing safety is provided.In addition, when carrying out overhauling or safeguarding, the first input phase terminal, the second input phase terminal, the 3rd input phase terminal and input neutral line terminals overhaul power supply A phase, B phase, C phase and the neutral line respectively and are connected with outside.First exports phase terminal, the second output phase terminal, the 3rd exports phase terminal, the first single-phase output hot terminal, the first single-phase output zero line terminals, the second single-phase output hot terminal, the second single-phase output zero line terminals are connected with Overhaul site electric tool or illuminations successively.Once Overhaul site is short-circuited or the fault such as overload, three-phase overload protection circuit breaker disconnecting external maintenance at once power supply avoids device damage and support personnel's safety; Once there is electric leakage situation, the first single phase leakage braker or the second single phase leakage braker cut off current supply circuit at once, prevent electric leakage from causing and cause personal injury to workmen, guarantee personal safety.
(2) the anticreep maintenance power box of one of the present utility model, due in described guidance panel, also laterally the first indicator light, the second indicator light, the 3rd indicator light is provided with between described input neutral line terminals and described casing earth terminal, described first indicator light, the second indicator light, the 3rd indicator light can indicate the on-state of maintenance power box in real time, need not judge according to the mechanical location of control switch, prevent the generation of hot line job accident, increase the fail safe of maintenance power box operation further.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of a kind of anticreep maintenance power box of the utility model embodiment;
Fig. 2 is the circuit theory schematic diagram of a kind of anticreep maintenance power box of the utility model embodiment;
Fig. 3 is the structural representation of another anticreep maintenance power box of the utility model embodiment;
Fig. 4 is the circuit theory schematic diagram of another anticreep maintenance power box of the utility model embodiment.
Embodiment
Embodiment 1
Fig. 1 shows the anticreep maintenance power box structural representation of one of the utility model embodiment.Described anticreep maintenance power box comprises casing 100, and casing 100 one side has guidance panel 110.
Three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2, the first single-phase socket XS1, the second single-phase socket XS2 is provided with in casing 100.Guidance panel 110 forms perforate, and the jack face of the hand switch face of three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2 and the first single-phase socket XS1, the second single-phase socket XS2 is exposed from described perforate.The fixed structure that this perforate is installed; make fixing of three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2, the first single-phase socket XS1, the second single-phase socket XS2 more firm; handled easily; and avoid the conducting position of above-mentioned electric component for human contact, processing safety is provided.
Guidance panel 110 is positioned at described perforate upper cross to being provided with the first input phase terminal A, the second input phase terminal B, the 3rd input phase terminal C, input neutral line terminals PNE and casing earth terminal X6.
Guidance panel 110 is positioned on the downside of described perforate and is laterally provided with the first output phase terminal X1a, the second output phase terminal X1b, the 3rd output phase terminal X1c, the first single-phase output zero line terminals X2b, the first single-phase output hot terminal X2a, the second single-phase output zero line terminals X3b, the second single-phase output hot terminal X3a.
Fig. 2 shows the one anticreep maintenance power box circuit theory schematic diagram of the utility model embodiment.
The model of three-phase overload protection circuit breaker S1 is DZ47-63.Three-phase overload protection circuit breaker S1 tri-input inputs phase terminal A, second respectively and inputs phase terminal B, the 3rd and input phase terminal C and be electrically connected with first, three-phase overload protection circuit breaker S1 tri-output exports phase terminal X1a, second respectively and exports phase terminal X1b, the 3rd and export phase terminal X1c and be electrically connected with first.
The model of the first single phase leakage braker RCD1 is DZL18-20.First single phase leakage braker RCD1 input is electrically connected with one of three-phase overload protection circuit breaker S1 tri-output; first single phase leakage braker RCD1 output is electrically connected with the first single-phase output hot terminal X2a, and the first single-phase output zero line terminals X2b is electrically connected with input neutral line terminals PNE.
The model of the second single phase leakage braker RCD1 is DZL18-20.Second single phase leakage braker RCD2 input is electrically connected with one of three-phase overload protection circuit breaker S1 tri-output; second single phase leakage braker RCD2 output is electrically connected with the second single-phase output hot terminal X3a, and the second single-phase output zero line terminals X3b is electrically connected with input neutral line terminals PNE.
First single-phase socket XS1 is Three-hole socket, and the second single-phase socket XS2 is Double-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE, and the first single-phase socket XS1 earth terminal is electrically connected with casing earth terminal X6.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE.
Casing earth terminal X6 ground connection.
As other execution mode, the first single-phase socket XS1, the second single-phase socket XS2 are Double-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE.
As other execution mode, the first single-phase socket XS1, the second single-phase socket XS2 are Three-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE, and the first single-phase socket XS1 earth terminal is electrically connected with casing earth terminal X6.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE, and the second single-phase socket XS2 earth terminal is electrically connected with casing earth terminal X6.
When carrying out overhauling or safeguarding, the first input phase terminal A, the second input phase terminal B, the 3rd input phase terminal C and input neutral line terminals PNE overhaul power supply A phase, B phase, C phase and the neutral line respectively and are connected with outside.First output phase terminal X1a, the second output phase terminal X1b, the 3rd output phase terminal X1c, the first single-phase output hot terminal X2a, the first single-phase output zero line terminals X2b, the second single-phase output hot terminal X3a, the second single-phase output zero line terminals X3b are connected with Overhaul site electric tool or illuminations successively.Once Overhaul site is short-circuited or the fault such as overload, three-phase overload protection circuit breaker S1 disconnecting external maintenance at once power supply avoids device damage and support personnel's safety; Once there is electric leakage situation, the first single phase leakage braker RCD1 or the second single phase leakage braker RCD2 cuts off current supply circuit at once, prevents electric leakage from causing and causes personal injury to workmen, guarantee personal safety.
Embodiment 2
Fig. 3 shows another anticreep maintenance power box structural representation of the utility model embodiment.Described anticreep maintenance power box comprises casing 100, and casing 100 one side has guidance panel 110.
Three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2, the first single-phase socket XS1, the second single-phase socket XS2 is provided with in casing 100.Guidance panel 110 forms perforate, and the jack face of the hand switch face of three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2 and the first single-phase socket XS1, the second single-phase socket XS2 is exposed from described perforate.The fixed structure that this perforate is installed; make fixing of three-phase overload protection circuit breaker S1, the first single phase leakage braker RCD1, the second single phase leakage braker RCD2, the first single-phase socket XS1, the second single-phase socket XS2 more firm; handled easily; and avoid the conducting position of above-mentioned electric component for human contact, processing safety is provided.
Guidance panel 110 is positioned at described perforate upper cross to being provided with the first input phase terminal A, the second input phase terminal B, the 3rd input phase terminal C, input neutral line terminals PNE and casing earth terminal X6.Guidance panel 110 is also laterally provided with the first indicator light D1, the second indicator light D2, the 3rd indicator light D3 between input neutral line terminals PNE and casing earth terminal X6.
Guidance panel 110 is positioned on the downside of described perforate and is laterally provided with the first output phase terminal X1a, the second output phase terminal X1b, the 3rd output phase terminal X1c, the first single-phase output zero line terminals X2b, the first single-phase output hot terminal X2a, the second single-phase output zero line terminals X3b, the second single-phase output hot terminal X3a.
Fig. 4 shows another anticreep maintenance power box circuit theory schematic diagram of the utility model embodiment.
The model of three-phase overload protection circuit breaker S1 is DZ47-63.Three-phase overload protection circuit breaker S1 tri-input inputs phase terminal A, second respectively and inputs phase terminal B, the 3rd and input phase terminal C and be electrically connected with first, three-phase overload protection circuit breaker S1 tri-output exports phase terminal X1a, second respectively through the first indicator light D1, the second indicator light D2, the 3rd indicator light D3 and first and exports phase terminal X1b, the 3rd and export phase terminal X1c and be electrically connected.
The model of the first single phase leakage braker RCD1 is DZL18-20.First single phase leakage braker RCD1 input is electrically connected with one of three-phase overload protection circuit breaker S1 tri-output; first single phase leakage braker RCD1 output is electrically connected with the first single-phase output hot terminal X2a, and the first single-phase output zero line terminals X2b is electrically connected with input neutral line terminals PNE.
The model of the second single phase leakage braker RCD1 is DZL18-20.Second single phase leakage braker RCD2 input is electrically connected with one of three-phase overload protection circuit breaker S1 tri-output; second single phase leakage braker RCD2 output is electrically connected with the second single-phase output hot terminal X3a, and the second single-phase output zero line terminals X3b is electrically connected with input neutral line terminals PNE.
First single-phase socket XS1 is Three-hole socket, and the second single-phase socket XS2 is Double-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE, and the first single-phase socket XS1 earth terminal is electrically connected with casing earth terminal X6.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE.
Casing earth terminal X6 ground connection.
As other execution mode, the first single-phase socket XS1, the second single-phase socket XS2 are Double-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE.
As other execution mode, the first single-phase socket XS1, the second single-phase socket XS2 are Three-hole socket.First single-phase socket XS1 live wire end is electrically connected with the first single phase leakage braker RCD1 output, and the first single-phase socket XS1 zero line side is electrically connected with input neutral line terminals PNE, and the first single-phase socket XS1 earth terminal is electrically connected with casing earth terminal X6.Second single-phase socket XS2 live wire end is electrically connected with the second single phase leakage braker RCD2 output, and the second single-phase socket XS2 zero line side is electrically connected with input neutral line terminals PNE, and the second single-phase socket XS2 earth terminal is electrically connected with casing earth terminal X6.
When carrying out overhauling or safeguarding, the first input phase terminal A, the second input phase terminal B, the 3rd input phase terminal C and input neutral line terminals PNE overhaul power supply A phase, B phase, C phase and the neutral line respectively and are connected with outside.First output phase terminal X1a, the second output phase terminal X1b, the 3rd output phase terminal X1c, the first single-phase output hot terminal X2a, the first single-phase output zero line terminals X2b, the second single-phase output hot terminal X3a, the second single-phase output zero line terminals X3b are connected with Overhaul site electric tool or illuminations successively.Once Overhaul site is short-circuited or the fault such as overload, three-phase overload protection circuit breaker S1 disconnecting external maintenance at once power supply avoids device damage and support personnel's safety; Once there is electric leakage situation, the first single phase leakage braker RCD1 or the second single phase leakage braker RCD2 cuts off current supply circuit at once, prevents electric leakage from causing and causes personal injury to workmen, guarantee personal safety.
In addition, first indicator light D1, the second indicator light D2, the 3rd indicator light D3 indicate the on-state of maintenance power box in real time, need not judge according to the mechanical location of control switch, prevent the generation of hot line job accident, increase the fail safe of maintenance power box operation further.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (7)
1. an anticreep maintenance power box, comprises casing, and described casing one side has guidance panel, it is characterized in that,
Three-phase overload protection circuit breaker, the first single phase leakage braker, the second single phase leakage braker, the first single-phase socket, the second single-phase socket is provided with in described casing;
Described guidance panel forms perforate, and the jack face of the hand switch face of described three-phase overload protection circuit breaker, the first single phase leakage braker, the second single-phase earth leakage open circuit and described first single-phase socket, the second single-phase socket is exposed from described perforate;
Described guidance panel is provided with the first input phase terminal, the second input phase terminal, the 3rd input phase terminal, input neutral line terminals and casing earth terminal along described perforate side;
Described guidance panel is provided with the first output phase terminal, second along described perforate opposite side and exports phase terminal, the 3rd output phase terminal, the first single-phase output hot terminal, the first single-phase output zero line terminals, the second single-phase output hot terminal, the second single-phase output zero line terminals;
Described three-phase overload protection circuit breaker three input inputs phase terminal, second respectively and inputs phase terminal, the 3rd and input phase terminal and be electrically connected with described first, described three-phase overload protection circuit breaker three output exports phase terminal, second respectively and exports phase terminal, the 3rd and export phase terminal and be electrically connected with described first;
Described first single phase leakage braker input is electrically connected with one of described three-phase overload protection circuit breaker three output, described first single phase leakage braker output is electrically connected with the first single-phase output hot terminal, and described first single-phase output zero line terminals are electrically connected with described input neutral line terminals;
Described second single phase leakage braker input is electrically connected with one of described three-phase overload protection circuit breaker three output, described second single phase leakage braker output is electrically connected with the second single-phase output hot terminal, and described second single-phase output zero line terminals are electrically connected with described input neutral line terminals;
Described first single-phase socket live wire end is electrically connected with described first single phase leakage braker output, and described first single-phase socket zero line side is electrically connected with described input neutral line terminals;
Described second single-phase socket live wire end is electrically connected with described second single phase leakage braker output, and described second single-phase socket zero line side is electrically connected with described input neutral line terminals;
Described casing earth terminal ground connection.
2. the anticreep maintenance power box of one according to claim 1, is characterized in that, in described guidance panel, between described input neutral line terminals and described casing earth terminal, is also laterally provided with the first indicator light, the second indicator light, the 3rd indicator light,
Described three-phase overload protection circuit breaker three output exports phase terminal, second respectively through described first indicator light, the second indicator light, the 3rd indicator light and described first and exports phase terminal, the 3rd and export phase terminal and be electrically connected.
3. the anticreep maintenance power box of one according to claim 1, is characterized in that, the model of described three-phase overload protection circuit breaker is DZ47-63.
4. the anticreep maintenance power box of one according to claim 1, is characterized in that, the model of described first single phase leakage braker, the second single phase leakage braker is DZL18-20.
5. the anticreep maintenance power box of the one according to any one of claim 1-4, it is characterized in that, described first single-phase socket, described second single-phase socket are Three-hole socket, and described first single-phase socket earth terminal, described second single-phase socket earth terminal are electrically connected with described casing earth terminal respectively.
6. the anticreep maintenance power box of the one according to any one of claim 1-4, is characterized in that, described first single-phase socket, described second single-phase socket are Double-hole socket.
7. the anticreep maintenance power box of the one according to any one of claim 1-4, it is characterized in that, described first single-phase socket is Three-hole socket, and described second single-phase socket is Double-hole socket, and described first single-phase socket earth terminal is electrically connected with described casing earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492196.6U CN204179496U (en) | 2014-08-28 | 2014-08-28 | A kind of anticreep maintenance power box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420492196.6U CN204179496U (en) | 2014-08-28 | 2014-08-28 | A kind of anticreep maintenance power box |
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| CN204179496U true CN204179496U (en) | 2015-02-25 |
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| CN201420492196.6U Expired - Lifetime CN204179496U (en) | 2014-08-28 | 2014-08-28 | A kind of anticreep maintenance power box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785730A (en) * | 2017-01-17 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of on-load tap changers of transformers temporary source termination |
-
2014
- 2014-08-28 CN CN201420492196.6U patent/CN204179496U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785730A (en) * | 2017-01-17 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of on-load tap changers of transformers temporary source termination |
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