CN204190473U - Anti-misoperation DC power distribution cabinet - Google Patents
Anti-misoperation DC power distribution cabinet Download PDFInfo
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- CN204190473U CN204190473U CN201420745899.5U CN201420745899U CN204190473U CN 204190473 U CN204190473 U CN 204190473U CN 201420745899 U CN201420745899 U CN 201420745899U CN 204190473 U CN204190473 U CN 204190473U
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- diode
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- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Direct Current Feeding And Distribution (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of anti-misoperation DC power distribution cabinet, comprise the first batteries and the second batteries, the first described batteries is successively by the first K switch 1, first one-way circuit is connected with the 3rd switches set K3, the second described batteries is successively by second switch K2, second one-way circuit is connected with the 4th switches set K4, the first described one-way circuit is identical with the current direction of the second one-way circuit, K switch 5 is connected with between the link of the link of the first described one-way circuit and the 3rd switches set K3 and the second one-way circuit and the 4th switches set K4, the first described one-way circuit and the second one-way circuit include two diodes be in series and two diodes be in series are parallel with the unidirectional branch road of redundancy, its performance safety is reliable, and do not affect user's use.
Description
Technical field
The utility model relates to DC power supply field, particularly, relates to a kind of anti-misoperation DC power distribution cabinet.
Background technology
according to Sichuan Province Power Co., Ltd " valve controlled sealed lead-acid accumulator runs and service regulations " 4.5.8 regulation, two group storage batteries should not adopt the mode of parallel running, if when must adopt parallel running, then should be connected in series into diode at batteries entrance, utilize the characteristic of diode to reduce the circulation produced in parallel running process; Specify according to " preventing the detailed rules for the implementation of direct current system accident measure " 3.2.2, DC bus runs normal and change in the operation of operational mode, forbids to throw off batteries.According to the rules, existing-48v DC power distribution cabinet, it is connected diode at power end with power consumption equipment end, utilizes the circulation in the unilateral conduction minimizing parallel process of diode, and connected by fuse between two group storage batteries, but when diode goes wrong, the diode again renewed extremely bothers, this group power supply can not be powered, and now fuse is very easily burned, the power consumption equipment be connected with power supply of stopping power supply cannot be operated, affect user and use.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of anti-misoperation DC power distribution cabinet, and its performance safety is reliable, and does not affect user's use.
The technical scheme in the invention for solving the above technical problem is:
Anti-misoperation DC power distribution cabinet, comprise the first batteries and the second batteries, the first described batteries is successively by the first K switch 1, first one-way circuit is connected with the 3rd switches set K3, the second described batteries is successively by second switch K2, second one-way circuit is connected with the 4th switches set K4, the first described one-way circuit is identical with the current direction of the second one-way circuit, K switch 5 is connected with between the link of the link of the first described one-way circuit and the 3rd switches set K3 and the second one-way circuit and the 4th switches set K4, the first described one-way circuit and the second one-way circuit include two diodes be in series and two diodes be in series are parallel with the unidirectional branch road of redundancy.
In the utility model, the 3rd switches set K3, the 4th switches set K4 connect on a user device.The utility model has done some on the basis of existing technology and has improved, and one: fuse is replaced with switch, avoids this path to disconnect, ensure the continued power to subscriber equipment; Its two: a diode in parallel on the diode of batteries entrance serial connection, strengthens its voltage endurance capability; Its three, two series connection diodes on the unidirectional branch road of parallel redundancy, realize diode redundancy arrange, when avoiding a certain diode to go wrong, storage battery power supply is impacted.The first described one-way circuit i.e. sense of current identical with the current direction of the second one-way circuit is all to batteries direction.The current direction of the unidirectional branch road of redundancy is identical with the current direction of the second one-way circuit with the first one-way circuit.
As preferably, the 3rd described switches set K3 and the 4th switches set K4 includes multiple switch.
As preferably, the first described one-way circuit comprises diode D1 and diode D2, the positive pole of described diode D1 is connected with the negative pole of diode D2, and the negative pole of described diode D1 is connected in the first K switch 1, and the positive pole of described diode D2 is connected on the 3rd switches set K3.
Further, the unidirectional branch road of described redundancy comprises two diodes be in series.
Further, the unidirectional branch road of redundancy in parallel on first one-way circuit comprises secondary and changes D3 and diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4, the negative pole of described diode D3 is connected on the negative pole of diode D1, and the positive pole of described diode D4 is connected on the positive pole of diode D2.
To sum up, the beneficial effects of the utility model are:
1, fuse is replaced with switch by the utility model, avoids this path to disconnect, ensures the continued power to subscriber equipment.
2, a diode in parallel on the diode that the utility model is connected in series at batteries entrance, strengthens its voltage endurance capability.
3, the unidirectional branch road of parallel redundancy on the diode of two series connection, the redundancy realizing diode is arranged, and impact storage battery power supply when avoiding a certain diode to go wrong, it is safe and reliable.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
A kind of anti-misoperation DC power distribution cabinet as shown in Figure 1, comprise the first batteries and the second batteries, the first described batteries is successively by the first K switch 1, first one-way circuit is connected with the 3rd switches set K3, the second described batteries is successively by second switch K2, second one-way circuit is connected with the 4th switches set K4, the first described one-way circuit is identical with the current direction of the second one-way circuit, K switch 5 is connected with between the link of the link of the first described one-way circuit and the 3rd switches set K3 and the second one-way circuit and the 4th switches set K4, the first described one-way circuit and the second one-way circuit include two diodes be in series and two diodes be in series are parallel with the unidirectional branch road of redundancy.
At circuit in use, namely two cover batteries i.e. the first batteries and the second batteries can be used alone the present embodiment, also can parallel running in short-term, and flexibility is high.Its operation principle is identical with the operation principle of prior art.
When first batteries and the second batteries work independently respectively, the first K switch 1 and the first K switch 2 close, and the first K switch 5 disconnects; When the first batteries or the second batteries need to do volume test, first close K5, at disconnection K1 or K2.
Embodiment 2:
A kind of anti-misoperation DC power distribution cabinet as shown in Figure 1, for the ease of its accessible multiple power consumption equipment, the present embodiment has done refinement on the basis of above-described embodiment, and the 3rd namely described switches set K3 and the 4th switches set K4 includes multiple switch.
Embodiment 3:
A kind of anti-misoperation DC power distribution cabinet as shown in Figure 1, the present embodiment has done refinement on the basis of above-described embodiment, namely the first described one-way circuit comprises diode D1 and diode D2, the positive pole of described diode D1 is connected with the negative pole of diode D2, the negative pole of described diode D1 is connected in the first K switch 1, and the positive pole of described diode D2 is connected on the 3rd switches set K3.
The unidirectional branch road of described redundancy comprises two diodes be in series.Adopt two diodes of connecting to realize redundancy one-way circuit, further can strengthen the voltage endurance capability of redundancy one-way circuit, also make it mate with the voltage stabilizing of the first one-way circuit and the second one-way circuit, the reliability of intensifier circuit.
The unidirectional branch road of redundancy in parallel on first one-way circuit comprises secondary and changes D3 and diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4, the negative pole of described diode D3 is connected on the negative pole of diode D1, and the positive pole of described diode D4 is connected on the positive pole of diode D2.
In order to ensure that it can apply to the stability in the power supply of-48V, in circuit, the model of diode D1-D8 can adopt 2CZ300A/800V.
As mentioned above, the utility model can be realized preferably.
Claims (5)
1. anti-misoperation DC power distribution cabinet, comprise the first batteries and the second batteries, it is characterized in that: the first described batteries is successively by the first K switch 1, first one-way circuit is connected with the 3rd switches set K3, the second described batteries is successively by second switch K2, second one-way circuit is connected with the 4th switches set K4, the first described one-way circuit is identical with the current direction of the second one-way circuit, K switch 5 is connected with between the link of the link of the first described one-way circuit and the 3rd switches set K3 and the second one-way circuit and the 4th switches set K4, the first described one-way circuit and the second one-way circuit include two diodes be in series and two diodes be in series are parallel with the unidirectional branch road of redundancy.
2. anti-misoperation DC power distribution cabinet according to claim 1, is characterized in that: the 3rd described switches set K3 and the 4th switches set K4 includes multiple switch.
3. anti-misoperation DC power distribution cabinet according to claim 1, it is characterized in that: the first described one-way circuit comprises diode D1 and diode D2, the positive pole of described diode D1 is connected with the negative pole of diode D2, the negative pole of described diode D1 is connected in the first K switch 1, and the positive pole of described diode D2 is connected on the 3rd switches set K3.
4. anti-misoperation DC power distribution cabinet according to claim 3, is characterized in that: the unidirectional branch road of described redundancy comprises two diodes be in series.
5. anti-misoperation DC power distribution cabinet according to claim 4, it is characterized in that: the unidirectional branch road of redundancy in parallel on the first one-way circuit comprises secondary and changes D3 and diode D4, the positive pole of described diode D3 is connected with the negative pole of diode D4, the negative pole of described diode D3 is connected on the negative pole of diode D1, and the positive pole of described diode D4 is connected on the positive pole of diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745899.5U CN204190473U (en) | 2014-12-03 | 2014-12-03 | Anti-misoperation DC power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745899.5U CN204190473U (en) | 2014-12-03 | 2014-12-03 | Anti-misoperation DC power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190473U true CN204190473U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420745899.5U Active CN204190473U (en) | 2014-12-03 | 2014-12-03 | Anti-misoperation DC power distribution cabinet |
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| CN (1) | CN204190473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065976A (en) * | 2018-07-20 | 2018-12-21 | 上海空间电源研究所 | The chemical cell group of diode continuousing flow |
-
2014
- 2014-12-03 CN CN201420745899.5U patent/CN204190473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065976A (en) * | 2018-07-20 | 2018-12-21 | 上海空间电源研究所 | The chemical cell group of diode continuousing flow |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |