CN205082005U - Emergency light invertion power supply's automatic switch -over interlock circuit - Google Patents
Emergency light invertion power supply's automatic switch -over interlock circuit Download PDFInfo
- Publication number
- CN205082005U CN205082005U CN201520782291.4U CN201520782291U CN205082005U CN 205082005 U CN205082005 U CN 205082005U CN 201520782291 U CN201520782291 U CN 201520782291U CN 205082005 U CN205082005 U CN 205082005U
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- CN
- China
- Prior art keywords
- triode
- resistance
- emergency light
- electrically connected
- inverter
- 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
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Classifications
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- 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses an emergency light invertion power supply's automatic switch -over interlock circuit, including fourth resistance, the 11 resistance, the 12 resistance, fourth triode, the 6th triode, second diode and relay, fourth resistance is connected with the second diode with fourth triode collector's electric link electricity, the collection electric connection of the base of fourth triode and the other end of fourth resistance and the 6th triode, base and the 11 resistance and the 12 resistance electricity of the 6th triode are connected, the other end of the 11 resistance is connected with the anodal electricity of second diode, the projecting pole electricity of fourth triode is connected with relay and dc -to -ac converter. The utility model discloses an emergency light invertion power supply's automatic switch -over interlock circuit, the emergency light can only be by mains power supply when having ensured to have the commercial power, and the dc -to -ac converter is out of work, when not having the commercial power, to supply power for the emergency light by the dc -to -ac converter by the relay automatic switch -over, municipality's electric pathway disconnection lock is died.
Description
Technical field
The utility model relates to a kind of automatic switchover interlock circuit, and particularly a kind of automatic switchover interlock circuit of emergency light inverter, belongs to Emergency Lighting Supply field and field of energy-saving technology.
Background technology
The power supply of emergency light, from civil power or inverter, must reliably be automatically switched, and when having a civil power, emergency light can only by mains-supplied; When not having civil power, inverter automatic operation, is powered to emergency light by inverter; In current practical application, a lot of scheme adopts multiple relay, contactor forms a complicated automatic switch-over circuit, because the many wiring of element are complicated, needs independent distribution box; The scheme single-chip microcomputer also had forms automatic switch-over circuit, and circuit is subject to external interference poor reliability, and the circuit of above scheme is comparatively complicated, cost is high and Maintenance Difficulty.
Utility model content
(1) technical problem that will solve
For solving the problem, the utility model proposes a kind of automatic switchover interlock circuit of emergency light inverter, when ensure that civil power, emergency light can only by mains-supplied, and inverter is locked not to be started, no-output; When not having civil power, inverter automatic operation, automatically switched by relay and powered to emergency light by inverter, city's electric pathway disconnects locked, and circuit design is simple and safe and reliable.
(2) technical scheme
The automatic switchover interlock circuit of emergency light inverter of the present utility model, comprises the 4th resistance, the 11 resistance, the 12 resistance, the 4th triode, the 6th triode, the second diode and relay; The electric connecting terminal of described 4th resistance and the 4th transistor collector is electrically connected with the negative pole of the second diode; The base stage of described 4th triode is electrically connected with the collector electrode of the other end of the 4th resistance and the 6th triode; The base stage of described 6th triode is electrically connected with the 11 resistance and the 12 resistance; The other end of described 11 resistance is electrically connected with the positive pole of the second diode, and the input of its electric connecting terminal has filter rectifier; Collector electrode and the emitter of described 4th triode are parallel with a button, and the emitter of the 4th triode is electrically connected with relay and inverter.
Further, described filter rectifier is made up of the first fuse, bridge rectifier, electrochemical capacitor and resistance, and the output of its output has direct current.
Further, the positive input terminal of described inverter is connected with the negative electricity of the collector electrode of the second fuse, the 4th resistance, the 4th triode, button and the second diode, and its negative input end is connected with the negative electricity of battery pack through the second socket; The positive pole of described battery pack is connected with the second fuse by the second socket; One output of described inverter is electrically connected with emergency light by the first socket.
Further, the normally opened contact of described relay is electrically connected with another output of inverter, one end of its normally-closed contact is electrically connected with emergency light by the first socket, and the other end is electrically connected with city through the first socket and switch, and its coil-end is electrically connected with the emitter of the 4th triode.
beneficial effect
Compared with prior art, the automatic switchover interlock circuit of emergency light inverter of the present utility model, by controlling the break-make of the 4th triode, can carry out control inverter be work, simultaneously by relay, automatic switchover emergency light input be from civil power or inverter; When having civil power, the 6th triode ON, the 4th triode cut-off is by self-locking, and inverter does not work, and relay is failure to actuate, and emergency light is by mains-supplied; During without civil power, the 6th triode cut-off, the 4th triode ON, inverter work, the actuating of relay simultaneously, normally opened contact closes, and emergency light is by inverter power supply; Circuit is simple, reliable, can self-locking, has good versatility.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, the automatic switchover interlock circuit of the utility model emergency light inverter, comprises the 4th resistance R4, the 11 resistance R11, the 12 resistance R12, the 4th triode Q4, the 6th triode Q6, the second diode D2 and relay R L; The electric connecting terminal of described 4th resistance R4 and the 4th triode Q4 collector electrode is electrically connected with the negative pole of the second diode D2; The base stage of described 4th triode Q4 is electrically connected with the collector electrode of the other end of the 4th resistance R4 and the 6th triode Q6; The base stage of described 6th triode Q6 is electrically connected with the 11 resistance R11 and the 12 resistance R12; The other end of described 11 resistance R11 is electrically connected with the positive pole of the second diode D2, and the input of its electric connecting terminal has filter rectifier (not shown); Collector electrode and the emitter of described 4th triode Q4 are parallel with a button S1, and the emitter of the 4th triode Q4 is electrically connected with relay R L and inverter A.
Described filter rectifier (not shown) is made up of the first fuse, bridge rectifier, electrochemical capacitor and resistance, and the output of its output has direct current.
The positive input terminal of described inverter A is connected with the negative electricity of the collector electrode of the second fuse F2, the 4th resistance R4, the 4th triode Q4, button S1 and the second diode D2, and its negative input end is connected with the negative electricity of battery pack M through the second socket CN2; The positive pole of described battery pack M is connected with the second fuse F2 by the second socket CN2; One output of described inverter A is connected with emergency light electricity LM by the first socket CN1.
The normally opened contact of described relay R L is electrically connected with another output of inverter A, one end of its normally-closed contact is electrically connected with emergency light LM by the first socket CN1, the other end is electrically connected with city through the first socket CN1 and K switch 1, and its coil-end is electrically connected with the emitter of the 4th triode Q4.
The automatic switchover interlock circuit of emergency light inverter of the present utility model, when having civil power, civil power produces direct current through current rectifying and wave filtering circuit, and direct current, through the 11 resistance, makes the 6th transistor base voltage enough high, 6th triode ON, thus dragging down the 4th transistor base voltage, the 4th triode is turned off self-locking, and now battery pack does not produce VCC by the 4th triode, power to the controller of inverter, inverter cannot work; Simultaneously because the emitter of the 4th triode is electrically connected with the coil of relay, relay coil also cannot action without electricity, and now civil power is powered to emergency light through the normally-closed contact of relay; During without civil power, can not produce direct current, then the 6th triode cut-off, now battery pack powers to the 4th transistor base through the 4th resistance, and make the 4th triode ON, have VCC to power to the controller of inverter, inverter is started working; Simultaneously because the emitter of the 4th triode is electrically connected with the coil of relay, relay coil is energized, the actuating of relay, normally opened contact closes, normally-closed contact disconnects, civil power is disconnected by the normally-closed contact of relay, and an output of inverter is connected with the normally opened contact of relay, is now powered to emergency light by the output AC electricity of inverter.
Embodiment recited above is only be described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection range of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (4)
1. an automatic switchover interlock circuit for emergency light inverter, is characterized in that: comprise the 4th resistance, the 11 resistance, the 12 resistance, the 4th triode and the 6th triode, the second diode and relay; The electric connecting terminal of described 4th resistance and the 4th transistor collector is electrically connected with the negative pole of the second diode; The base stage of described 4th triode is electrically connected with the collector electrode of the other end of the 4th resistance and the 6th triode; The base stage of described 6th triode is electrically connected with the 11 resistance and the 12 resistance; The other end of described 11 resistance is electrically connected with the positive pole of the second diode, and the input of its electric connecting terminal has filter rectifier; Collector electrode and the emitter of described 4th triode are parallel with a button, and the emitter of the 4th triode is electrically connected with relay and inverter.
2. the automatic switchover interlock circuit of emergency light inverter according to claim 1, is characterized in that: described filter rectifier is made up of the first fuse, bridge rectifier, electrochemical capacitor and resistance, and the output of its output has direct current.
3. the automatic switchover interlock circuit of emergency light inverter according to claim 1, it is characterized in that: the positive input terminal of described inverter is connected with the negative electricity of the collector electrode of the second fuse, the 4th resistance, the 4th triode, button and the second diode, and its negative input end is connected with the negative electricity of battery pack through the second socket; The positive pole of described battery pack is connected with the second fuse by the second socket; One output of described inverter is electrically connected with emergency light by the first socket.
4. the automatic switchover interlock circuit of the emergency light inverter according to claim 1 or 3, it is characterized in that: the normally opened contact of described relay is electrically connected with another output of inverter, one end of its normally-closed contact is electrically connected with emergency light by the first socket, the other end is electrically connected with city through the first socket and switch, and its coil-end is electrically connected with the emitter of the 4th triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782291.4U CN205082005U (en) | 2015-10-10 | 2015-10-10 | Emergency light invertion power supply's automatic switch -over interlock circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782291.4U CN205082005U (en) | 2015-10-10 | 2015-10-10 | Emergency light invertion power supply's automatic switch -over interlock circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205082005U true CN205082005U (en) | 2016-03-09 |
Family
ID=55434375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520782291.4U Expired - Fee Related CN205082005U (en) | 2015-10-10 | 2015-10-10 | Emergency light invertion power supply's automatic switch -over interlock circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205082005U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919728A (en) * | 2018-08-23 | 2018-11-30 | 深圳和而泰智能控制股份有限公司 | A kind of control circuit |
| CN109713784A (en) * | 2019-03-05 | 2019-05-03 | 湖北汇程信息技术有限公司 | A kind of power-supply management system for electronic equipment |
| CN112531874A (en) * | 2020-11-23 | 2021-03-19 | 深圳市海浦蒙特科技有限公司 | Hardware interlocking circuit |
-
2015
- 2015-10-10 CN CN201520782291.4U patent/CN205082005U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919728A (en) * | 2018-08-23 | 2018-11-30 | 深圳和而泰智能控制股份有限公司 | A kind of control circuit |
| CN108919728B (en) * | 2018-08-23 | 2023-09-26 | 深圳和而泰智能控制股份有限公司 | Control circuit |
| CN109713784A (en) * | 2019-03-05 | 2019-05-03 | 湖北汇程信息技术有限公司 | A kind of power-supply management system for electronic equipment |
| CN109713784B (en) * | 2019-03-05 | 2022-05-27 | 湖北汇程信息技术有限公司 | Power management system for electronic equipment |
| CN112531874A (en) * | 2020-11-23 | 2021-03-19 | 深圳市海浦蒙特科技有限公司 | Hardware interlocking circuit |
| CN112531874B (en) * | 2020-11-23 | 2023-04-07 | 深圳市海浦蒙特科技有限公司 | Hardware interlocking circuit |
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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: 20160309 Termination date: 20161010 |