CN206908376U - A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership - Google Patents
A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership Download PDFInfo
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- CN206908376U CN206908376U CN201720504670.6U CN201720504670U CN206908376U CN 206908376 U CN206908376 U CN 206908376U CN 201720504670 U CN201720504670 U CN 201720504670U CN 206908376 U CN206908376 U CN 206908376U
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- tripping operation
- bypassing
- prevents
- supply unit
- ups
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- 238000001816 cooling Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership, include input, output is 220V UPS uninterrupted power sources, UPS uninterrupted power sources are followed by two-way output, all the way to export 220V voltages through air switch, earth leakage circuit-breaker；Another way passes through air switch, by step-up transformer 220V/400V, 220V voltages is risen into 400V outputs, two-way output is selected in UPS uninterrupted power sources output end using single-pole double-throw switch (SPDT).The tripping operation supply unit of the present utility model that prevents from bypassing the immediate leadership is because used UPS uninterrupted power supply(ups)s; situations such as generation of 220V, 400V voltage is leaked electricity, be short-circuit is exported in rear end; the air switch on the device or earth leakage circuit-breaker tripping operation can only be made; upper level power source trip will not be made, this is also a maximum feature of the device.
Description
Technical field
It the utility model is related to a kind of supply unit, particularly a kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership.
Background technology
When low-voltage circuit breaker carries out test adjustment, operation power is directly taken to live temporary source case, and scene is being accessed
When temporary source is debugged to equipment, wiring personnel's false wiring is often installed, causes to cause tripping operation at the trial, although
Debugging drum used in commissioning staff has sensitive earth leakage protective device, but often all still bypasses the immediate leadership tripping operation, along with applying
Work scene is big, and field connection is random, and commissioning staff can not find higher level's switch of tripping operation at all so that debugging efforts can not continue out
Exhibition.
Utility model content
The purpose of this utility model is in place of overcome the deficiencies in the prior art, and provides a kind of warp with defencive function
Cross switching device, can not only export 220VAC voltages, moreover it is possible to export 400VAC voltages；Protection is sensitiveer, fast and accurately
A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership.
A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership, includes input, output is 220V UPS uninterrupted power sources, and UPS is not
Uninterruptible power is followed by two-way output, all the way for through air switch, earth leakage circuit-breaker output 220V voltages；Another way passes through air
Switch, by step-up transformer 220V/400V, 220V voltages are risen into 400V outputs, two-way output is defeated in UPS uninterrupted power sources
Go out end to be selected using single-pole double-throw switch (SPDT).
Power supply point takes 220V power supplys at the scene, access device 220V ac-input power supply terminals, is charged to UPS；According to scene
The voltage class exported is needed, single-pole double-throw switch (SPDT) is got into suitable position., then will be single if desired for output 220V AC power supplies
The cutter head of double-pole double throw switch gets to 3,4 positions, then closes 220V air switches and can obtain 220V voltages；If desired for output 400V
AC power supplies, then the cutter head of single-pole double-throw switch (SPDT) is got into 1,2 positions, then close 400V air switches, you can obtain 400V voltages.
In the input of UPS uninterrupted power sources, temperature detect switch (TDS) and cooling fan protection step-up transformer are set.
Fuse is respectively provided with the input of two-way air switch.
In summary, the utility model following advantage compared with prior art：
The tripping operation supply unit of the present utility model that prevents from bypassing the immediate leadership is defeated in rear end because having used UPS uninterrupted power supply(ups)s
Go out situations such as generation of 220V, 400V voltage is leaked electricity, be short-circuit, can only make the air switch or earth leakage circuit-breaker on the device
Tripping operation, will not make upper level power source trip, and this is also a maximum feature of the device.
Brief description of the drawings
Fig. 1 is the circuit diagram of the supply unit of the tripping operation of the present utility model that prevents from bypassing the immediate leadership.
Embodiment
The utility model is described in more detail with reference to embodiment.
Embodiment 1
A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership, includes input, output is 220V UPS uninterrupted power sources, and UPS is not
Uninterruptible power be followed by two-way output, all the way for through fuse, air switch, earth leakage circuit-breaker export 220V voltages when, for scene
Use；220V voltages, by step-up transformer 220V/400V, are risen to 400V outputs and supplied by another way by fuse, air switch
Onsite application, two-way output are to be selected in UPS uninterrupted power sources output end using single-pole double-throw switch (SPDT).It is uninterrupted in UPS
The input of power supply sets temperature detect switch (TDS) and cooling fan protection UPS uninterrupted power sources.
The not described part of the present embodiment is same as the prior art.
Claims (3)
- A kind of 1. supply unit for the tripping operation that prevents from bypassing the immediate leadership, it is characterised in that：Include input, output for 220V UPS it is uninterrupted Power supply, UPS uninterrupted power sources are followed by two-way output, all the way for through air switch, earth leakage circuit-breaker output 220V voltages；It is another Air switch is passed through on road, by step-up transformer 220V/400V, 220V voltages is risen into 400V outputs, two-way is exported in UPS not Uninterruptible power output end is selected using single-pole double-throw switch (SPDT).
- 2. the supply unit of the tripping operation according to claim 1 that prevents from bypassing the immediate leadership, it is characterised in that：In UPS uninterrupted power sources Input sets temperature detect switch (TDS) and cooling fan protection step-up transformer.
- 3. the supply unit of the tripping operation according to claim 2 that prevents from bypassing the immediate leadership, it is characterised in that：In the defeated of two-way air switch Enter end and be respectively provided with fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504670.6U CN206908376U (en) | 2017-05-09 | 2017-05-09 | A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504670.6U CN206908376U (en) | 2017-05-09 | 2017-05-09 | A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908376U true CN206908376U (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720504670.6U Active CN206908376U (en) | 2017-05-09 | 2017-05-09 | A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889053A (en) * | 2019-04-01 | 2019-06-14 | 广东电网有限责任公司 | A kind of electric voltage frequency debugging apparatus |
-
2017
- 2017-05-09 CN CN201720504670.6U patent/CN206908376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889053A (en) * | 2019-04-01 | 2019-06-14 | 广东电网有限责任公司 | A kind of electric voltage frequency debugging apparatus |
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