CN104201663A - Protective multichannel charging type high-frequency switch direct current power supply screen - Google Patents
Protective multichannel charging type high-frequency switch direct current power supply screen Download PDFInfo
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- CN104201663A CN104201663A CN201410361934.8A CN201410361934A CN104201663A CN 104201663 A CN104201663 A CN 104201663A CN 201410361934 A CN201410361934 A CN 201410361934A CN 104201663 A CN104201663 A CN 104201663A
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- power supply
- direct current
- silicon chain
- storage battery
- battery pack
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a protective multichannel charging type high-frequency switch direct current power supply screen. The protective multichannel charging type high-frequency switch direct current power supply screen comprises a cabinet body, a plurality of groups of charging devices, a storage battery pack, an upper bus, a lower bus, a direct current voltage stabilizer device and two silicon chain voltage dropping devices; the charging devices, the storage battery pack, the upper bus, the lower bus, the direct current voltage stabilizer device and the two silicon chain voltage dropping devices are arranged in the cabinet body; the two silicon chain voltage dropping devices are connected between the storage battery pack and the lower bus in a parallel mode; each silicon chain voltage dropping device is formed by six to eight high-power diodes through serial connection; an output end of each silicon chain voltage dropping device is in serial connection with a light emitting diode; an anode terminal of each silicon chain voltage dropping device is connected with an output end of the storage battery pack; a cathode terminal of each silicon unit is connected with the lower bus; every group of charging unit is connected with the lower bus through a switch; the storage battery pack is connected with the lower bus through a load switch. According to the protective multichannel charging type high-frequency switch direct current power supply screen, the storage battery pack can be rapidly charged by the plurality of groups of charging devices and the normal use of the direct current power supply screen can be ensured when one group of the charging devices is damaged.
Description
Technical field
The present invention relates to low-voltage electrical technical field, the frequency that is specifically related to a kind of multichannel charging modes is opened DC power supply panel.
Background technology
What the electric power operation power supply in power plant and transformer station adopted now is all DC power supply; and direct current cabinet is used for supplying this DC power supply; it provides power supply for control overhead and living load and direct current emergency lighting load etc., is the basis of contemporary electric power system control, protection.Modern science and technology, especially the development of computer technology and the communication technology, make the future development of electric power system towards comprehensive automation, power station unattended operation and networking centralized management, all need further to be improved to automaticity for the power quality, the reliability that make himself as the DC power system (direct current cabinet) of electric power system important component part, also therefore applied a large amount of advanced science and technology.It mainly throws system, charger control system, charger, direct current distribution system, type insulation monitoring system, general controller (system monitoring control system is the brain of direct current cabinet), flash system, communication system, these several most of compositions of storage battery mutually by electric power incoming line system (interchange inlet wire), power supply two-way.Wherein comprehensively control that device, two-way are thrown mutually, the selection of charger control and charger is to ensure the reliable key link of direct current cabinet.
General controller is responsible for monitoring direct current cabinet ruuning situation, and it will be had at fingertips to each link of direct current cabinet operation.And make system operate in optimum state.The battery inspection unit that it is controlled can be each joint storage battery voltage monitoring is provided, with deterioration of accumulator in discovery system as early as possible, change early storage battery, avoid under powering-off state, can not outwards providing in time the catastrophic effect of DC power supply because storage battery problem causes system.Type insulation monitoring system can protect direct current cabinet to damage equipment of itself or external equipment because of peripheral hardware or from system earth.The outfit of storage battery and choose reasonable thereof can ensure system normal operation in the situation that of power-off, and can avoid the damage of direct current cabinet itself and cause the interruption to system power supply.What charger was generally all selected is the special high-frequency switching power supply module of electric power.The design of its hommization is simplified system, and reliability is splendid, and its price is also more reasonable.What general 220V 65Ah and following direct current cabinet were selected is all the special high-frequency switching power supply module of FR22005-1 type electric power; And the most use of the above direct current cabinet of 220V 65Ah is the product of Emerson.
DC power supply panel is occupied very consequence as important device such as control, protection, combined floodgates in electric power system, and its performance and reliability directly have influence on the normal safe operation of electric power system.Along with applying of supporting grid automation and unattended operation transformer station, the requirement of DC power supply panel is had to further raising.Insulating monitoring circuit can detect DC power supply panel whether short circuit of circuit at work, and in the time that circuit median generatrix is too low or too high for voltage, can automatic alarm.
Summary of the invention
For above-mentioned prior art, the object of the present invention is to provide a kind of frequency of multichannel charging modes to open DC power supply panel, be intended to solve existing DC power supply panel charging module single, hold flimsy technical problem.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
The rechargeable frequency of a kind of protection type multichannel is opened DC power supply panel, comprise cabinet and be arranged on the charging device in cabinet, batteries, Up Highway UHW, Down Highway and two silicon chain dropping equipments, described two silicon chain dropping equipments are connected in parallel between batteries and Down Highway, each silicon chain dropping equipment is in series by 6～8 heavy-duty diodes, the output of silicon chain step-down dress is also in series with a light-emitting diode, the anode tap of silicon chain dropping equipment is connected with the output of batteries, the cathode terminal of silicon chain element is connected to Down Highway, it is characterized in that, described charging device is at least one group, every group of charging put through switch and is connected to Down Highway, batteries is also connected on Down Highway through on-load switch.
In the present invention, between described Up Highway UHW and Down Highway, be connected through normal open switch.
Compared with prior art, the present invention has following beneficial effect:
One, the present invention is provided with array charging device, can be battery charging and in the time that wherein a certain group of charging device damages fast, also can ensure the normal use of DC power supply panel;
Two, batteries is connected on bus through on-load switch, and a safeguard measure that batteries is many like this, has increased its useful life;
Three, the present invention adopts two silicon chain dropping equipment parallel connections, and in the time that wherein a road silicon chain dropping equipment damages, another road silicon chain dropping equipment still can be used, for electric current output provides guarantee; On silicon chain dropping equipment, be in series with light-emitting diode, in the time that wherein a certain silicon chain dropping equipment is burned, light-emitting diode also can be burned no longer luminous, and this measure can remind staff to change in time; The problem of electric current reverse flow between charging device, makes electric current output more stable.
Brief description of the drawings
Fig. 1 is electrical block diagram of the present invention;
Reference numeral is: 1 is that charging device, 2 is that batteries, 3 is that Down Highway, 4 is Up Highway UHW.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
The rechargeable frequency of a kind of protection type multichannel is opened DC power supply panel, comprise cabinet and be arranged on the charging device in cabinet, batteries, Up Highway UHW, Down Highway, direct-flow voltage stabilizer and two silicon chain dropping equipments, described two silicon chain dropping equipments are connected in parallel between batteries and Down Highway, each silicon chain dropping equipment is in series by 6～8 heavy-duty diodes, the output of silicon chain step-down dress is also in series with a light-emitting diode, the anode tap of silicon chain dropping equipment is connected with the output of batteries, the cathode terminal of silicon chain element is connected to Down Highway, it is characterized in that, described charging device is at least one group, every group of charging put through switch and is connected to Down Highway, batteries is also connected on Down Highway through on-load switch.In the present invention, between described Up Highway UHW and Down Highway, be connected through normal open switch.
The parallel connection of two silicon chain dropping equipment, in the time that wherein a road silicon chain dropping equipment damages, another road silicon chain dropping equipment still can be used, for electric current output provides guarantee; On silicon chain dropping equipment, be in series with light-emitting diode, in the time that wherein a certain silicon chain dropping equipment is burned, light-emitting diode also can be burned no longer luminous, and this measure can remind staff to change in time.And a diode of the output of charging device series connection, the negative electrode of diode is connected to the input of battery pack, and the output of all charging devices is connected in parallel, and has avoided the problem of electric current reverse flow between charging device, makes electric current output more stable.
Claims (2)
1. the rechargeable frequency of protection type multichannel is opened DC power supply panel, comprise cabinet and be arranged on the charging device in cabinet, batteries, Up Highway UHW, Down Highway and two silicon chain dropping equipments, described two silicon chain dropping equipments are connected in parallel between batteries and Down Highway, each silicon chain dropping equipment is in series by 6～8 heavy-duty diodes, the output of silicon chain step-down dress is also in series with a light-emitting diode, the anode tap of silicon chain dropping equipment is connected with the output of batteries, the cathode terminal of silicon chain element is connected to Down Highway, it is characterized in that, described charging device is at least one group, every group of charging put through switch and is connected to Down Highway, batteries is also connected on Down Highway through on-load switch.
2. the rechargeable frequency of protection type multichannel according to claim 1 is opened DC power supply panel, it is characterized in that, between described Up Highway UHW and Down Highway, is connected through normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361934.8A CN104201663A (en) | 2014-07-28 | 2014-07-28 | Protective multichannel charging type high-frequency switch direct current power supply screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361934.8A CN104201663A (en) | 2014-07-28 | 2014-07-28 | Protective multichannel charging type high-frequency switch direct current power supply screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104201663A true CN104201663A (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361934.8A Pending CN104201663A (en) | 2014-07-28 | 2014-07-28 | Protective multichannel charging type high-frequency switch direct current power supply screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN104201663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100114A (en) * | 2016-01-29 | 2016-11-09 | 四川行之智汇知识产权运营有限公司 | Mobile and combined direct current supply terminal |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09252528A (en) * | 1996-03-14 | 1997-09-22 | Honda Motor Co Ltd | Electricity storage apparatus |
| CN103683489A (en) * | 2013-12-06 | 2014-03-26 | 四川省华电成套设备有限公司 | Direct-current power source screen |
-
2014
- 2014-07-28 CN CN201410361934.8A patent/CN104201663A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09252528A (en) * | 1996-03-14 | 1997-09-22 | Honda Motor Co Ltd | Electricity storage apparatus |
| CN103683489A (en) * | 2013-12-06 | 2014-03-26 | 四川省华电成套设备有限公司 | Direct-current power source screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100114A (en) * | 2016-01-29 | 2016-11-09 | 四川行之智汇知识产权运营有限公司 | Mobile and combined direct current supply terminal |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |