CN203416045U - Dual-power on-off switching circuit - Google Patents
Dual-power on-off switching circuit Download PDFInfo
- Publication number
- CN203416045U CN203416045U CN201320520168.6U CN201320520168U CN203416045U CN 203416045 U CN203416045 U CN 203416045U CN 201320520168 U CN201320520168 U CN 201320520168U CN 203416045 U CN203416045 U CN 203416045U
- Authority
- CN
- China
- Prior art keywords
- contact
- switch
- relay
- power supply
- relay switch
- Prior art date
- 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 - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
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
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
-
- 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
- Y04S20/248—UPS systems or standby or emergency generators
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model relates to a dual-power on-off switching circuit which comprises: a frequently-used power supply which is connected with a frequently-used power supply control circuit; a standby power supply which is connected with a standby power supply control circuit; and a remote control unit which is connected with the frequently-used power supply control circuit and the standby power supply control circuit. The frequently-used power supply control circuit comprises a relay K3 which is disposed on three phase lines of the standby power supply. The coil of the relay K3 is connected to the phase A and the phase B, and a switch of the relay K3 is connected to the phase C. A control loop which is taken from A, B, C, and N phases is provided. When phase loss happens to one phase of the frequently-used power supply or the C or N phases of the standby power supply, the switching from an abnormal power supply to a normal power supply can be achieved. The automatic on-off switching circuit can achieve the on-off switching among the frequently-used power supply, the standby power supply, and a double-opening mode through external remote manual control.
Description
Technical field
The utility model relates to a kind of electric switch, and specifically a kind of twin-power switch change-over circuit, belongs to low-voltage electrical technical field.
Background technology
Along with scientific and technical progress, every profession and trade is more and more higher to the requirement of power supply reliability.A lot of occasions must adopt two-way power supply to guarantee the reliability of power supply.The two-way power supply user in past, adopts manually operated two-way isolating switch to carry out grid switching operation in low-pressure side, therefore often occurs misoperation and causes accident.Along with the raising that power supply reliability requires, being gradually improved of anti-accident measures, increasing sophisticated equipment drops into and is applied in electric power system.
Double power supply automatic switching switch is a kind ofly can between two-way power supply, carry out the device of reliable switch dual power supply, there will not be misoperation and causes the complete series intelligent dual-power automatic transfer switch of accident, exactly in order to meet high reliability request.The Special intelligent equipment coming into operation at present, there is the functions such as the runback of hauling oneself willingly into, grid generator, fire-fighting, the three-phase voltage effective value of duplex feeding power supply and phase place are carried out to Real-Time Monitoring, when phase shortage occurs mutually for conventional arbitrary phase of power supply or C, the N of stand-by power supply, can automatically from abnormal power supply, be switched to normal power source, this is a kind of perfect performance, safe and reliable, easy to operate, the scope of application equipment of duplicate supply control system widely.
Product sold on market, control loop is taken from C phase and the N phase of switch, and as China Patent No. a kind of automatic change-over that is CN102130498A, when the C phase of conventional power supply and N phase phase shortage, switch can be transformed into stand-by power supply automatically; When A phase or B phase phase shortage, switch can not be changed automatically.In addition, automatic change-over of the prior art, the operation that it is carried out to closure or disconnection only has and by scene, opens or closes switch and could realize, and staff only has at the scene and just can operate like this, cannot realize Long-distance Control, uses inconvenient.
Utility model content
Technical problem to be solved in the utility model be in prior art related switch when conventional power supply A phase or B phase phase shortage, the problem of Long-distance Control can not be changed and cannot realize to switch automatically, thereby provide a kind of control loop to take from A, B, C, N phase, when commonly using any phase phase shortage of power supply, switch can be realized and automatically be transformed into stand-by power supply, and can manually be controlled and be realized mutual conversions conventional, standby, between two minutes by outer remote.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A change-over circuit, comprises conventional power supply, and it is connected with conventional power control circuit; Stand-by power supply, it is connected with stand-by power supply control circuit;
Also comprise a control far away unit, be connected with stand-by power supply control circuit with described conventional power control circuit, described conventional power control circuit comprises a relay K 3 being arranged in conventional power supply triple line, and the coil of described relay K 3 is connected to A phase and goes up mutually with B, and its switch is connected to C and goes up mutually.
Described control far away unit adopts outside socket wiring, in described outside socket, is provided with a plurality of contacts, and described contact is connected with stand-by power supply control circuit with described conventional power control circuit.
Also comprise fire-fighting unit, described fire-fighting unit comprises relay K 4, and described relay K 4 comprises relay coil K4-0 and relay switch K4-1, and described relay coil K4-0 connects peripheral terminal.
Also comprise generating signal element, described generating signal element comprises relay K 5, described relay K 5 comprises relay coil K5-0 and relay switch K5-1, described relay switch K5-1 adopts outside socket wiring, and described relay coil K5-0 is connected between conventional power supply center line N and the conventional contact of relay switch K3-1.
Described conventional power control circuit and stand-by power supply control circuit are connected with respectively signal indicating circuit.
Also comprise manual-operating mechanism, described manual-operating mechanism connects sensitive switch.
Relay switch K3-1 mono-end in described conventional power control circuit is connected on described conventional power supply C phase, the other end is connected between one end of relay coil K1-0 and the second contact of relay switch K1-1, the conventional contact of described relay switch K1-1 is connected to outside socket second contact of described control far away unit, the other end of described relay coil K1-0 connects the second contact of relay switch K1-2, the conventional contact of described relay switch K1-2 connects outside socket the first contact, the conventional contact of the described relay switch K1-2 sensitive switch c that also connects successively, d is also connected on the white line of motor M, capacitor C is connected in parallel on the green line and red line of motor M, the first contact of relay switch K2-1 is connected on the red line of motor M, the second contact of described relay switch K2-1 is connected on the green line of motor M, the conventional contact of described relay switch K2-1 connects the conventional contact of sensitive switch a, the first contact of sensitive switch a connects the second contact of relay switch K1-3, the first contact of described relay switch K1-3 is also connected with outside socket the 5th contact, the second contact of described relay switch K1-3 is also connected with outside socket the 6th contact, the conventional contact of described relay switch K1-3 is connected to outside socket the 3rd contact by relay switch K2-4.
The center line N of described stand-by power supply connects the first contact of relay switch K1-2, the conventional contact of described relay switch K1-2 is by the sensitive switch c connecting successively, d is connected to the white line of motor M, the red line of described motor M is connected to the second contact of relay switch K2-2, the first contact of described relay switch K2-2 is connected to the green line of described motor M, the conventional contact of described relay switch K2-2 is connected to the conventional contact of sensitive switch b, the second contact of described sensitive switch b is connected with the second contact of sensitive switch a, the first contact of described sensitive switch b is connected with the first contact of relay switch K1-3, the conventional contact of described relay switch K1-3 is connected to outside socket the 3rd contact by relay switch K2-4, the C phase of described stand-by power supply is connected with the first contact of relay switch K1-1, the conventional contact of relay switch K1-1 is connected with outside socket the second contact.
One end of described fire-fighting unit repeat circuit coil K2-0 is connected with the conventional contact of described relay switch K1-2, relay switch K2-3, the conventional contact of K4-1 is parallel-connected to the other end of described relay coil K2-0, the second contact of described relay switch K2-3 is connected between the second contact of described sensitive switch a and the first contact of sensitive switch b, the second contact of described relay switch K4-1 is connected with outside socket the second contact, the conventional contact of described relay switch K4-1 is also connected with outside socket the 4th contact, described relay coil K4-0 two ends are connected with two ports of outside socket.
Described signal indicating circuit comprises sensitive switch e, f, described sensitive switch e, f are arranged on rotor one side, the conventional contact of described sensitive switch e is connected with outside socket the 7th contact, the second contact of described sensitive switch e is connected with outside socket the 8th contact, the first contact of described sensitive switch e is connected with the conventional contact of sensitive switch f, the first contact of described sensitive switch f is connected with outside socket the 9th contact, and the second contact of described sensitive switch f is connected with outside socket the tenth contact.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) a kind of twin-power switch change-over circuit described in the utility model, comprise a control far away unit, be connected with stand-by power supply control circuit with described conventional power control circuit, described conventional power control circuit comprises a relay K 3 being arranged in conventional power supply triple line, the coil of described relay K 3 is connected to A phase and B goes up mutually, its switch is connected to C and goes up mutually, thereby provide a kind of control loop to take from A, B, C, N phase, when commonly using any phase phase shortage of power supply, the twin-power switch change-over circuit that switch can be realized automatic conversion and can control by outer remote, avoided in prior art related switch when A phase or B phase phase shortage, switch can not be changed C automatically, the excessive problem that causes that electrical equipment burns of N phase current.
(2) a kind of twin-power switch change-over circuit described in the utility model, conventional power control circuit and stand-by power supply control circuit are connected with respectively signal indicating circuit, when switching between conventional power supply and stand-by power supply, by signal lamp, show, allow the clearer and more definite understanding operating state of user.
(3) a kind of twin-power switch change-over circuit described in the utility model, fire-fighting unit, described fire-fighting unit comprises relay K 4, when there is fire-fighting accident, relay K 4 adhesives, contact 201 and contact 204 are by short circuit, switch enters two merotypes, disconnects all power supplys.
(4) a kind of twin-power switch change-over circuit described in the utility model, also comprises generating signal element, when conventional power supply occurs abnormal, cause K5 not inhale, generating signal end is closed, output generating signal, generator work, provides stand-by power supply, and motor forwards stand-by power supply end to.
(5) a kind of twin-power switch change-over circuit described in the utility model, described control far away unit adopts outside socket wiring, in described outside socket, is provided with a plurality of contacts, and in described control far away unit, short circuit contact 201 and 203, realizes conventional power supply conversion; Short circuit contact 201 and 204, realizes two minutes functions (conventional, standby all disconnections, switch forwards 0 position to); Short circuit contact 201 and 205, realizes stand-by power supply conversion.
(6) control power supply by change the outside socket wiring of control section into from the wiring of switch main body partial interior, both improved main road part rated impulse withstand voltage, the hidden danger of avoiding inner cabling to exist, has also facilitated terminal block operation.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structured flowchart of a kind of twin-power switch change-over circuit described in the utility model.
Fig. 2 is the circuit diagram of a kind of twin-power switch change-over circuit described in the utility model.
Embodiment
The embodiment of a kind of twin-power switch change-over circuit described in the utility model is provided below.
Embodiment 1
The circuit diagram of a kind of twin-power switch change-over circuit described in the utility model as shown in Figure 1, comprises conventional power supply, and it is connected with conventional power control circuit, stand-by power supply, it is connected with stand-by power supply control circuit, also comprise a control far away unit, be connected with stand-by power supply control circuit with described conventional power control circuit, described control far away unit adopts outside socket wiring, in described outside socket, is provided with a plurality of contacts, and described contact is connected with stand-by power supply control circuit with described conventional power control circuit, described conventional power control circuit comprises a relay K 3 being arranged in conventional power supply triple line, the coil of described relay K 3 is connected to A phase and B goes up mutually, relay switch K3-1 mono-end in described conventional power control circuit is connected on described conventional power supply C phase, the other end is connected between one end of relay coil K1-0 and the second contact 4 of relay switch K1-1, the conventional contact 7 of described relay switch K1-1 is connected to outside socket second contact of described control far away unit, described outside socket the second contact comprises contact 106, 201, 202, the other end of described relay coil K1-0 connects the second contact 5 of relay switch K1-2, the conventional contact 8 of described relay switch K1-2 connects outside socket the first contact, described outside socket the first contact is contact 101, the conventional contact 8 of the described relay switch K1-2 sensitive switch c that also connects successively, d is also connected on the white line of motor M, capacitor C is connected in parallel on the green line and red line of motor M, the first contact 1 of relay switch K2-1 is connected on the red line of motor M, the second contact 5 of described relay switch K2-1 is connected on the green line of motor M, the conventional contact 9 of described relay switch K2-1 connects the conventional contact 1 of sensitive switch a, the first contact 3 of sensitive switch a connects the second contact 6 of relay switch K1-3, the first contact 3 of described relay switch K1-3 is also connected with outside socket the 5th contact, described outside socket the 5th contact is contact 205, the second contact 6 of described relay switch K1-3 is also connected with outside socket the 6th contact, described outside socket the 6th contact is contact 203, the conventional contact 9 of described relay switch K1-3 is connected to outside socket the 3rd contact by relay switch K2-4, described outside socket the 3rd contact is contact 206.
Embodiment 2
The center line N of the described stand-by power supply of a kind of twin-power switch change-over circuit described in the utility model connects the first contact 2 of relay switch K1-2, the conventional contact 8 of described relay switch K1-2 is by the sensitive switch c connecting successively, d is connected to the white line of motor M, the red line of described motor M is connected to the second contact 6 of relay switch K2-2, the first contact 2 of described relay switch K2-2 is connected to the green line of described motor M, the conventional contact 10 of described relay switch K2-2 is connected to the conventional contact 1 of sensitive switch b, the second contact 3 of described sensitive switch b is connected with the second contact 2 of sensitive switch a, the first contact 2 of described sensitive switch b is connected with the first contact 3 of relay switch K1-3, the conventional contact 9 of described relay switch K1-3 is connected to outside socket the 3rd contact 206 by relay switch K2-4, the C phase of described stand-by power supply is connected with the first contact 1 of relay switch K1-1, the conventional contact 7 of relay switch K1-1 is connected with outside socket the second contact 201.
Described sensitive switch c, d are as long as wherein any one disconnects, and the white line of motor just connects and disconnects with center line N, and now the mode of operation of switch is from being automatically brought to manually.
Embodiment 3
As shown in Figure 2, on the basis of above embodiment, also comprise signal indicating circuit, described signal indicating circuit comprises sensitive switch e, f, described sensitive switch e, f is arranged on rotor one side, when motor M is rotated, rotor mechanism can touch sensitive switch e, f, the conventional contact 2 of described sensitive switch e is connected with outside socket the 7th contact 102, the second contact 1 of described sensitive switch e is connected with outside socket the 8th contact 103, the first contact 3 of described sensitive switch e is connected with the conventional contact 2 of sensitive switch f, the first contact 3 of described sensitive switch f is connected with outside socket the 9th contact 104, the second contact 1 of described sensitive switch f is connected with outside socket the tenth contact 105.
Embodiment 4
As shown in Figure 2, on the basis of above embodiment, also comprise generating signal element, described generating signal element comprises relay K 5, described relay K 5 comprises relay coil K5-0 and relay switch K5-1, described relay switch K5-1 adopts outside socket wiring, and described relay coil K5-0 is connected between conventional power supply center line N and the conventional contact 7 of relay switch K3-1.
One end of described fire-fighting unit repeat circuit coil K2-0 is connected with the conventional contact 8 of described relay switch K1-2, relay switch K2-3, the conventional contact of K4-1 is parallel-connected to the other end of described relay coil K2-0, the second contact of described relay switch K2-3 is connected between the second contact 2 of described sensitive switch a and the first contact 3 of sensitive switch b, the second contact 1 of described relay switch K4-1 is connected with outside socket the second contact 201, the conventional contact 3 of described relay switch K4-1 is also connected with outside socket the 4th contact 204, described relay coil K4-0 two ends and outside socket port x F-, XF+ connects.
Operation principle of the present utility model is as follows:
(1) automatically control: the outside socket 201 of short circuit and 206 contacts.When conventional control power supply is normal, relay K 1, the equal adhesive of K3, K5, the working power that standby control power supply is disconnected motor M provides by commonly using power supply, motor rotates counterclockwise, drive conventional switches set contact closure, rotor mechanism touches sensitive switch a, disconnects motor power supply; Sensitive switch e is also along with closure, and conventional power supply signal indicator light is bright.
(2) when conventional abnormity of power supply, when stand-by power supply is normal, relay K 1, K3, K5 be not adhesive all, the working power of motor M is provided by standby control power supply, motor clockwise rotates, and drives backup circuit breaker group contact closure, and conventional switches set contact disconnects, rotor mechanism touches sensitive switch b, disconnects motor power supply; Sensitive switch f is also along with closure, and stand-by power supply signal lamp is bright.
(3) when conventional power up is normal, relay K 1, the equal adhesive of K3, K5, standby control power supply is disconnected again, and the working power of motor M is provided by the conventional power supply of controlling again, repeats (1) step, realizes and hauls oneself willingly into runback function.
(4) far control: when conventional and stand-by power supply is all normal, disconnect 201 and 206, short circuit 201 and 203, motor power supply by 203 by sensitive switch a, K2-1 to red line, rotate counterclockwise, realize conventional power supply and change; Short circuit 201 and 204, relay K 2 adhesives, motor power supply is by 204 by K2-3, and sensitive switch a, K2-1 clockwise rotate 0 position (sensitive switch b, K2-2 rotate counterclockwise 0 position to red line) to green line, realize two minutes functions (conventional, standby all disconnections, switch forwards 0 position to); Short circuit 201 and 205, motor power supply is passed through sensitive switch b, K2-2 to green line by 205, clockwise rotates, and realizes stand-by power supply conversion.
(5) when user needs manual operation, electric lock is transformed into manual position from automated location, and the sensitive switch c of control circuit is disconnected, and the center line of controlling power supply is cut off, now user can only rotate by handle armstrong's patent operating electrical machines, realizes the conversion of conventional power supply and stand-by power supply.
(6) fire-fighting end input 24V, relay K 4 adhesives, and then make also adhesive of relay K 2, realize two minutes functions.
(7) generating signal (stand-by power supply is generator): when conventional power supply occurs extremely, causing K5 not inhale, FD is closed for generating signal end, output generating signal, generator work, provides stand-by power supply, and motor forwards stand-by power supply end to.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction 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 also giving all execution modes.And the apparent variation of being extended out thus or change are still among protection range of the present utility model.
Claims (10)
1. a twin-power switch change-over circuit, comprises conventional power supply, and it is connected with conventional power control circuit; Stand-by power supply, it is connected with stand-by power supply control circuit;
It is characterized in that, also comprise a control far away unit, be connected with stand-by power supply control circuit with described conventional power control circuit, described conventional power control circuit comprises a relay K 3 being arranged in conventional power supply triple line, the coil of described relay K 3 is connected to A phase and goes up mutually with B, and its switch is connected to C and goes up mutually.
2. a kind of twin-power switch change-over circuit according to claim 1, it is characterized in that, described control far away unit adopts outside socket wiring, in described outside socket, is provided with a plurality of contacts, and described contact is connected with stand-by power supply control circuit with described conventional power control circuit.
3. a kind of twin-power switch change-over circuit according to claim 2, it is characterized in that, also comprise fire-fighting unit, described fire-fighting unit comprises relay K 4, described relay K 4 comprises relay coil K4-0 and relay switch K4-1, and described relay coil K4-0 connects peripheral terminal.
4. a kind of twin-power switch change-over circuit according to claim 3, it is characterized in that, also comprise generating signal element, described generating signal element comprises relay K 5, described relay K 5 comprises relay coil K5-0 and relay switch K5-1, described relay switch K5-1 adopts outside socket wiring, and described relay coil K5-0 is connected between conventional power supply center line N and the conventional contact of relay switch K3-1.
5. according to a kind of twin-power switch change-over circuit described in claim 1 or 2 or 3 or 4 any one, it is characterized in that, described conventional power control circuit and stand-by power supply control circuit are connected with respectively signal indicating circuit.
6. according to a kind of twin-power switch change-over circuit described in claim 1 or 2 or 3 or 4 any one, it is characterized in that, also comprise manual-operating mechanism, described manual-operating mechanism connects sensitive switch.
7. according to a kind of twin-power switch change-over circuit described in claim 3 or 4 any one, it is characterized in that, relay switch K3-1 mono-end in described conventional power control circuit is connected on described conventional power supply C phase, the other end is connected between one end of relay coil K1-0 and the second contact of relay switch K1-1, the conventional contact of described relay switch K1-1 is connected to outside socket second contact of described control far away unit, the other end of described relay coil K1-0 connects the second contact of relay switch K1-2, the conventional contact of described relay switch K1-2 connects outside socket the first contact, the conventional contact of the described relay switch K1-2 sensitive switch c that also connects successively, d is also connected on the white line of motor M, capacitor C is connected in parallel on the green line and red line of motor M, the first contact of relay switch K2-1 is connected on the red line of motor M, the second contact of described relay switch K2-1 is connected on the green line of motor M, the conventional contact of described relay switch K2-1 connects the conventional contact of sensitive switch a, the first contact of sensitive switch a connects the second contact of relay switch K1-3, the first contact of described relay switch K1-3 is also connected with outside socket the 5th contact, the second contact of described relay switch K1-3 is also connected with outside socket the 6th contact, the conventional contact of described relay switch K1-3 is connected to outside socket the 3rd contact by relay switch K2-4.
8. according to a kind of twin-power switch change-over circuit described in claim 1 or 2 or 3 or 4 any one, it is characterized in that, the center line N of described stand-by power supply connects the first contact of relay switch K1-2, the conventional contact of described relay switch K1-2 is by the sensitive switch c connecting successively, d is connected to the white line of motor M, the red line of described motor M is connected to the second contact of relay switch K2-2, the first contact of described relay switch K2-2 is connected to the green line of described motor M, the conventional contact of described relay switch K2-2 is connected to the conventional contact of sensitive switch b, the second contact of described sensitive switch b is connected with the second contact of sensitive switch a, the first contact of described sensitive switch b is connected with the first contact of relay switch K1-3, the conventional contact of described relay switch K1-3 is connected to outside socket the 3rd contact by relay switch K2-4, the C phase of described stand-by power supply is connected with the first contact of relay switch K1-1, the conventional contact of relay switch K1-1 is connected with outside socket the second contact.
9. a kind of twin-power switch change-over circuit according to claim 7, it is characterized in that, one end of described fire-fighting unit repeat circuit coil K2-0 is connected with the conventional contact of described relay switch K1-2, relay switch K2-3, the conventional contact of K4-1 is parallel-connected to the other end of described relay coil K2-0, the second contact of described relay switch K2-3 is connected between the second contact of described sensitive switch a and the first contact of sensitive switch b, the second contact of described relay switch K4-1 is connected with outside socket the second contact, the conventional contact of described relay switch K4-1 is also connected with outside socket the 4th contact, described relay coil K4-0 two ends are connected with two ports of outside socket.
10. a kind of twin-power switch change-over circuit according to claim 5, it is characterized in that, described signal indicating circuit comprises sensitive switch e, f, described sensitive switch e, f is arranged on rotor one side, the conventional contact of described sensitive switch e is connected with outside socket the 7th contact, the second contact of described sensitive switch e is connected with outside socket the 8th contact, the first contact of described sensitive switch e is connected with the conventional contact of sensitive switch f, the first contact of described sensitive switch f is connected with outside socket the 9th contact, the second contact of described sensitive switch f is connected with outside socket the tenth contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520168.6U CN203416045U (en) | 2013-08-23 | 2013-08-23 | Dual-power on-off switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520168.6U CN203416045U (en) | 2013-08-23 | 2013-08-23 | Dual-power on-off switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416045U true CN203416045U (en) | 2014-01-29 |
Family
ID=49978903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520168.6U Expired - Fee Related CN203416045U (en) | 2013-08-23 | 2013-08-23 | Dual-power on-off switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785548A (en) * | 2019-04-04 | 2020-10-16 | 施耐德电器工业公司 | Electrical interlocking of dual-power automatic transfer switch and dual-power automatic transfer switch |
| CN114336944A (en) * | 2021-12-31 | 2022-04-12 | 德力西电气有限公司 | Control circuit for power supply switching control |
-
2013
- 2013-08-23 CN CN201320520168.6U patent/CN203416045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785548A (en) * | 2019-04-04 | 2020-10-16 | 施耐德电器工业公司 | Electrical interlocking of dual-power automatic transfer switch and dual-power automatic transfer switch |
| CN114336944A (en) * | 2021-12-31 | 2022-04-12 | 德力西电气有限公司 | Control circuit for power supply switching control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103488159B (en) | A kind of distribution box type smart home terminal and integrated protection controller | |
| CN103701199B (en) | A kind of switching control system in parallel falling protection with cyclization choosing | |
| CN202395514U (en) | Dual-power switching device | |
| CN201430541Y (en) | High-frequency intelligent EPS inverted power supply | |
| CN103441508A (en) | Multipurpose low-voltage intelligent capacitor | |
| CN203416045U (en) | Dual-power on-off switching circuit | |
| CN102684291A (en) | Control device of intelligent three-phase duel power supply conversion switch | |
| CN106340953A (en) | Dual-supply automatic transfer switch | |
| CN102420460A (en) | Automatic change-over switch equipment | |
| CN215221827U (en) | Dual-power intelligent control circuit and dual-power intelligent transfer switch | |
| CN203645325U (en) | Double-circuit power supply intelligent communication controller | |
| CN210806845U (en) | Dual-power switch switching circuit | |
| CN209029921U (en) | A kind of three inlet wires two contact combined floodgate switching device | |
| CN202103474U (en) | A dual power supply automatic transfer switch device | |
| CN103414241A (en) | Automatic switching power supply circuit used in underground coal mine | |
| CN203406669U (en) | Automatic change-over switch | |
| CN202889265U (en) | Soft starter control system driving three-phase squirrel cage asynchronous motor to operate | |
| CN204224115U (en) | A crane control system | |
| CN208142917U (en) | Automatic change-over switch equipment and electric control system for it | |
| CN207234402U (en) | A kind of intelligent prepared auto restart low voltage c power cabinet | |
| CN202696279U (en) | Circuit breaker controller with dual-power changeover function and dual-power switching system | |
| CN203233348U (en) | Coal mine electric drive multi-rotary actuator reversible magnetic starter | |
| CN201904648U (en) | Power supply device for dual-power three-phase motor | |
| CN201690265U (en) | PLC relay switching dual power supply | |
| CN202103475U (en) | A dual power supply automatic transfer switch control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20210823 |