CN203205973U - Double-power automatic switching circuit - Google Patents
Double-power automatic switching circuit Download PDFInfo
- Publication number
- CN203205973U CN203205973U CN2013201771638U CN201320177163U CN203205973U CN 203205973 U CN203205973 U CN 203205973U CN 2013201771638 U CN2013201771638 U CN 2013201771638U CN 201320177163 U CN201320177163 U CN 201320177163U CN 203205973 U CN203205973 U CN 203205973U
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- China
- Prior art keywords
- power supply
- switch
- relay
- main
- double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to a double-power automatic switching circuit comprising a main supplying circuit and a standby supplying circuit. The main supplying circuit comprises a main supplying power source U1, a power source main contactor ZC1, a transformer B1, a starting switch QA1, a stopping switch TA1, a full-wave rectification circuit D, an electrolytic capacitor C1 and a relay ZC3, wherein the full-wave rectification circuit D comprises a diode D1, a diode D2, a diode D2 and a diode D4. The standby supplying circuit comprises a standby supplying power source U2, a power source main contactor ZC2, a transformer B2, a starting switch QA2, a stopping switch TA2, a full-wave rectification circuit D1, an electrolytic capacitor C2 and a relay ZC4, wherein the full-wave rectification circuit D1 comprises a diode D5, a diode D6, a diode D7 and a diode D8. By employing the double-power automatic switching circuit provided by the utility model, double-power automatic switching for electric devices is realized.
Description
Technical field
The utility model relates to electronic technology field, concrete relates to a kind of double supply automatic switch-over circuit.
Background technology
Many power consumption equipments in Coal Production, very high to the requirement of power supply, except other requirement, there is a regulation must use duplicate supply, and can realizes automaticallying switch.Such as the local fan of down-hole, feed pump etc.Many power consumption equipments on ground use duplicate supply, though do not emphasize be able to realize to automatically switch, if realized automatic switchover, bring a lot of convenience will for the operation of power consumption equipment, have also guaranteed the normal operation of power consumption equipment simultaneously.
Summary of the invention
At above-mentioned situation, the purpose of this utility model provides a kind of double supply automatic switch-over circuit, can realize that the power consumption equipment duplicate supply automaticallyes switch.
The technical solution of the utility model is as follows: a kind of double supply automatic switch-over circuit comprises main power supply road and the road that powers fully;
Main power supply road comprises the full-wave rectifying circuit D that main power supply U1, power supply main contactor ZC1, transformer B1, starting switch QA1 and shutdown switch TA1, diode D1, D2, D3, D4 form, electrochemical capacitor C1, relay ZC3;
Full-wave rectifying circuit D that the road comprises that fully power supply source U2, power supply main contactor ZC2, transformer B2, starting switch QA2 and shutdown switch TA2, diode D5, D6, D7, D8 form fully powers
1, electrochemical capacitor C2, relay ZC4;
The primary coil of transformer B1 is connected with main power supply U1, secondary coil also connects the two-way circuit, wherein one the tunnel is connected the back by being connected with relay ZC3 by full-wave rectifying circuit D with the normally opened contact ZC21 of power supply main contactor ZC2, another road is connected with relay ZC3 by the full-wave rectifying circuit of being made up of diode D1, D2, D3, D4 be connected back serial connection starting switch QA1, shutdown switch TA1 and power supply main contactor ZC1 with the normally-closed contact ZC22 of power supply main contactor ZC2 after, and electrochemical capacitor C1 is attempted by the two ends of relay ZC3;
The primary coil of transformer B2 be equipped with power supply source U2 and be connected, secondary coil also connects the two-way circuit, wherein one the tunnel is connected with the normally opened contact ZC11 of power supply main contactor ZC1 and afterwards passes through full-wave rectifying circuit D
1ZC4 is connected with relay, another road is connected with relay ZC4 by the full-wave rectifying circuit of being made up of diode D5, D6, D7, D8 be connected back serial connection starting switch QA2, shutdown switch TA2 and power supply main contactor ZC2 with the normally-closed contact ZC12 of power supply main contactor ZC1 after, and electrochemical capacitor C2 is attempted by the two ends of relay ZC4.
Preferably, described main power supply U1 input is connected with battery main switch DK1 and power supply always insures RD1; Transformer B1 outprimary is connected with elementary insurance RD3, and out-secondary is connected with secondary insurance RD5; Described power supply source U2 input fully is connected with battery main switch DK2 and power supply always insures RD2; The outprimary of transformer B2 is connected with elementary insurance RD4, and out-secondary is connected with secondary insurance RD6.
Further, the normally opened contact ZC11 of described power supply main contactor ZC1 and the normally opened contact ZC31 of relay ZC3 be respectively with starting switch QA1 and connect, and the normally opened contact ZC21 of described power supply main contactor ZC2 and the normally opened contact ZC41 of relay ZC4 are respectively with starting switch QA2 and connect.
Double supply automatic switch-over circuit of the present utility model, duplicate supply have used two transformers to do isolation, have used two to overlap independently control circuit, do not use zero line.The aboveground down-hole in colliery can be used, and has overcome because higher level's switch uses earth leakage protective device, and the mutual interference of duplicate supply phase makes the phenomenon of earth leakage protective device would trip.Power consumption equipment uses wherein one road power supply of duplicate supply when operation, when road power supply in using has a power failure suddenly, the power supply of power consumption equipment will automatically switch on another road power supply immediately.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, a kind of double supply automatic switch-over circuit comprises main power supply road and the road that powers fully;
Main power supply road comprises the full-wave rectifying circuit D that main power supply U1, power supply main contactor ZC1, transformer B1, starting switch QA1 and shutdown switch TA1, diode D1, D2, D3, D4 form, electrochemical capacitor C1, relay ZC3;
Full-wave rectifying circuit D that the road comprises that fully power supply source U2, power supply main contactor ZC2, transformer B2, starting switch QA2 and shutdown switch TA2, diode D5, D6, D7, D8 form fully powers
1, electrochemical capacitor C2, relay ZC4;
The primary coil of transformer B1 is connected with main power supply U1, secondary coil also connects the two-way circuit, wherein one the tunnel is connected the back by being connected with relay ZC3 by full-wave rectifying circuit D with the normally opened contact ZC21 of power supply main contactor ZC2, another road is connected with relay ZC3 by the full-wave rectifying circuit of being made up of diode D1, D2, D3, D4 be connected back serial connection starting switch QA1, shutdown switch TA1 and power supply main contactor ZC1 with the normally-closed contact ZC22 of power supply main contactor ZC2 after, and electrochemical capacitor C1 is attempted by the two ends of relay ZC3;
The primary coil of transformer B2 be equipped with power supply source U2 and be connected, secondary coil also connects the two-way circuit, wherein one the tunnel is connected with the normally opened contact ZC11 of power supply main contactor ZC1 and afterwards passes through full-wave rectifying circuit D
1ZC4 is connected with relay, another road is connected with relay ZC4 by the full-wave rectifying circuit of being made up of diode D5, D6, D7, D8 be connected back serial connection starting switch QA2, shutdown switch TA2 and power supply main contactor ZC2 with the normally-closed contact ZC12 of power supply main contactor ZC1 after, and electrochemical capacitor C2 is attempted by the two ends of relay ZC4.
Described main power supply U1 input is connected with battery main switch DK1 and power supply always insures RD1; Transformer B1 outprimary is connected with elementary insurance RD3, and out-secondary is connected with secondary insurance RD5; Described power supply source U2 input fully is connected with battery main switch DK2 and power supply always insures RD2; The outprimary of transformer B2 is connected with elementary insurance RD4, out-secondary is connected with secondary insurance RD6, the normally opened contact ZC11 of described power supply main contactor ZC1 and the normally opened contact ZC31 of relay ZC3 be respectively with starting switch QA1 and connect, and the normally opened contact ZC21 of described power supply main contactor ZC2 and the normally opened contact ZC41 of relay ZC4 are respectively with starting switch QA2 and connect.
During concrete enforcement, following two kinds of operational modes are arranged:
1, main power supply U1 automatically switches to power supply source U2 fully:
During operate as normal, main power supply U1 and be equipped with power supply source U2 the input power supply is arranged at first selects main power supply U1 to power to power consumption equipment.Press starting button QA1, the 36V low-tension supply of transformer B1 output is through normally-closed contact ZC22, TA1, QA1 and the RD5 supply power main contactor ZC1 control power supply of ZC2, ZC1 adhesive.Main power supply through the ZC1 out-put supply to power consumption equipment.The normally opened contact ZC11 of ZC1 is in parallel with QA1, plays holding function.Unclamp starting button, after QA1 disconnected, the 36V low-tension supply of B1 output continued to supply with ZC1 control power supply through normally-closed contact ZC22, the TA1 of ZC2, normally opened contact ZC11 and the RD5 of ZC1.Be equipped with the 36V low-tension supply of power supply source control transformer B2 output this moment through normally opened contact ZC11 and the RD6 of ZC1, the full-wave rectifying circuit rectification of forming via diode D5, D6, D7, D8 again, export a direct current voltage through electrochemical capacitor C2 filtering, supply with relay ZC4 control voltage, the ZC4 adhesive.
If have a power failure suddenly during main power supply U1 is to the power consumption equipment power supply, power supply main contactor ZC1 dead electricity will disconnect power supply output.The normally opened contact ZC11 of ZC1 has also disconnected simultaneously and has been equipped with the power supply that power supply source U2 control transformer B2 gives relay ZC4, because electrochemical capacitor C2 has certain electric weight, can not disappear immediately, can keep ZC4 and continue the time of adhesive more than 1 second, so ZC4 is adhesive in main power supply has a power failure the back time more than 1 second.Be equipped with the 36V low-tension supply of power supply source control transformer B2 output this moment through normally-closed contact ZC12, the TA2 of ZC1, normally opened contact ZC41 and the RD6 supply power main contactor ZC2 control power supply of ZC4, ZC2 adhesive.Be equipped with power supply source through the ZC2 out-put supply to power consumption equipment.Starting button QA2 is relation in parallel with the normally opened contact three of normally opened contact ZC21, the ZC4 of ZC2, the normally opened contact ZC21 conducting of ZC2 after the ZC2 adhesive, after the electric weight of electrochemical capacitor C2 disappears, the normally opened contact ZC41 of ZC4 disconnects, be equipped with the 36V low-tension supply of power supply source U2 control transformer B2 output and continue supply power main contactor ZC2 control power supply through normally-closed contact ZC12, the TA2 of ZC1, normally opened contact ZC21 and the RD6 of ZC2, be equipped with power supply source U2 and continue to keep output.
2, be equipped with power supply source U2 and automatically switch to main power supply U1;
During operate as normal, main power supply U1 and be equipped with power supply source U2 and have under the situation of input power supply, if selecting to be equipped with power supply source U2 powers to power consumption equipment, press starting button QA2, the 36V low-tension supply of transformer B2 output is through the normally-closed contact ZC12 of ZC1, TA2, QA2 and RD6 supply power main contactor ZC2 control power supply, the ZC2 adhesive, be equipped with power supply source U2 through the ZC2 out-put supply to power consumption equipment, the normally opened contact ZC21 of ZC2 is in parallel with QA2, play holding function, unclamp starting button, after QA2 disconnected, the 36V low-tension supply of B2 output was through the normally-closed contact ZC12 of ZC1, TA2, the normally opened contact ZC21 of ZC2 and RD6 continue to supply with ZC2 control power supply.The 36V low-tension supply of main power supply control transformer B1 output this moment is through normally opened contact ZC21 and the RD5 of ZC2, the full-wave rectifying circuit rectification of forming via diode D1, D2, D3, D4 again, export a direct current voltage through electrochemical capacitor C1 filtering, supply with relay ZC3 control voltage, the ZC3 adhesive.
If power failure suddenly during power supply source U2 powers to power consumption equipment fully, power supply main contactor ZC2 dead electricity will disconnect power supply output, the normally opened contact ZC21 of ZC2 has also disconnected the power supply that main power supply control transformer B1 gives relay ZC3 simultaneously, because electrochemical capacitor C1 has certain electric weight, can not disappear immediately, can keep ZC3 and continue the time of adhesive more than 1 second.So ZC3 is adhesive in power supply source has a power failure the back time more than 1 second fully, the 36V low-tension supply of main power supply control transformer B1 output this moment is through normally-closed contact ZC22, the TA1 of ZC2, normally opened contact ZC31 and the RD5 supply power main contactor ZC1 control power supply of ZC3, ZC1 adhesive.Main power supply through the ZC1 out-put supply to power consumption equipment.Starting button QA1 is relation in parallel with the normally opened contact ZC31 three of normally opened contact ZC11, the ZC3 of ZC1, the normally opened contact ZC11 conducting of ZC1 after the ZC1 adhesive.After the electric weight of electrochemical capacitor C1 disappeared, the normally opened contact ZC31 of ZC3 disconnected.The 36V low-tension supply of main power supply control transformer B1 output continues supply power main contactor ZC1 control power supply through normally-closed contact ZC22, the TA1 of ZC2, normally opened contact ZC11 and the RD5 of ZC1, and main power supply U1 continues to keep output.
In sum, can realize main power supply U1 and automatic switchover mutually between the confession duplicate supply U2 fully.
Claims (9)
1. a double supply automatic switch-over circuit is characterized in that comprising main power supply road and the road that powers fully;
Main power supply road comprises the full-wave rectifying circuit D that main power supply U1, power supply main contactor ZC1, transformer B1, starting switch QA1 and shutdown switch TA1, diode D1, D2, D3, D4 form, electrochemical capacitor C1, relay ZC3;
Full-wave rectifying circuit D that the road comprises that fully power supply source U2, power supply main contactor ZC2, transformer B2, starting switch QA2 and shutdown switch TA2, diode D5, D6, D7, D8 form fully powers
1, electrochemical capacitor C2, relay ZC4;
The primary coil of transformer B1 is connected with main power supply U1, secondary coil also connects the two-way circuit, wherein one the tunnel is connected the back by being connected with relay ZC3 by full-wave rectifying circuit D with the normally opened contact ZC21 of power supply main contactor ZC2, another road is connected with relay ZC3 by the full-wave rectifying circuit of being made up of diode D1, D2, D3, D4 be connected back serial connection starting switch QA1, shutdown switch TA1 and power supply main contactor ZC1 with the normally-closed contact ZC22 of power supply main contactor ZC2 after, and electrochemical capacitor C1 is attempted by the two ends of relay ZC3;
The primary coil of transformer B2 be equipped with power supply source U2 and be connected, secondary coil also connects the two-way circuit, wherein one the tunnel is connected with the normally opened contact ZC11 of power supply main contactor ZC1 and afterwards passes through full-wave rectifying circuit D
1ZC4 is connected with relay, another road is connected with relay ZC4 by the full-wave rectifying circuit of being made up of diode D5, D6, D7, D8 be connected back serial connection starting switch QA2, shutdown switch TA2 and power supply main contactor ZC2 with the normally-closed contact ZC12 of power supply main contactor ZC1 after, and electrochemical capacitor C2 is attempted by the two ends of relay ZC4.
2. double supply automatic switch-over circuit according to claim 1 is characterized in that described main power supply U1 input is connected with battery main switch DK1 and power supply always insures RD1.
3. double supply automatic switch-over circuit according to claim 1 is characterized in that described transformer B1 outprimary is connected with elementary insurance RD3, and out-secondary is connected with secondary insurance RD3.
4. double supply automatic switch-over circuit according to claim 1 is characterized in that described power supply source U2 input fully is connected with battery main switch DK2 and power supply always insures RD2.
5. double supply automatic switch-over circuit according to claim 1 is characterized in that the outprimary of described transformer B2 is connected with elementary insurance RD4, and out-secondary is connected with secondary insurance RD6.
6. double supply automatic switch-over circuit according to claim 1 is characterized in that normally opened contact ZC11 and the starting switch QA1 of described power supply main contactor ZC1 and connects.
7. double supply automatic switch-over circuit according to claim 1 is characterized in that normally opened contact ZC31 and the starting switch QA1 of described relay ZC3 and connects.
8. double supply automatic switch-over circuit according to claim 1 is characterized in that normally opened contact ZC21 and the starting switch QA2 of described power supply main contactor ZC2 and connects.
9. double supply automatic switch-over circuit according to claim 1 is characterized in that normally opened contact ZC41 and the starting switch QA2 of described relay ZC4 and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201771638U CN203205973U (en) | 2013-04-10 | 2013-04-10 | Double-power automatic switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201771638U CN203205973U (en) | 2013-04-10 | 2013-04-10 | Double-power automatic switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205973U true CN203205973U (en) | 2013-09-18 |
Family
ID=49150038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201771638U Expired - Lifetime CN203205973U (en) | 2013-04-10 | 2013-04-10 | Double-power automatic switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219792A (en) * | 2013-04-10 | 2013-07-24 | 卫斌鹏 | Duplicate-supply automatic switching circuit device |
| CN105896521A (en) * | 2014-09-25 | 2016-08-24 | 宁波绿凯节能科技有限公司 | Self-adaptive multi-power supply device used for tunnel and monitoring method |
-
2013
- 2013-04-10 CN CN2013201771638U patent/CN203205973U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219792A (en) * | 2013-04-10 | 2013-07-24 | 卫斌鹏 | Duplicate-supply automatic switching circuit device |
| CN103219792B (en) * | 2013-04-10 | 2015-08-05 | 国网山西省电力公司晋城供电公司 | A kind of double supply automatic switch-over circuit device |
| CN105896521A (en) * | 2014-09-25 | 2016-08-24 | 宁波绿凯节能科技有限公司 | Self-adaptive multi-power supply device used for tunnel and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WEI BINPENG JINCHENG POWER SUPPLY COMPANY, STATE G Effective date: 20131205 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: WEI BINPENG Effective date: 20131205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 048100 JINCHENG, SHAANXI PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131205 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Wei Binpeng Patentee after: Jincheng Power Supply Company, State Grid Shanxi Electric Power Company Address before: 048100, Shanxi City, Jincheng province Yangcheng County town run Village Patentee before: Wei Binpeng |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |