CN207118028U - Single ignition source switches on-off circuit - Google Patents
Single ignition source switches on-off circuit Download PDFInfo
- Publication number
- CN207118028U CN207118028U CN201720850074.3U CN201720850074U CN207118028U CN 207118028 U CN207118028 U CN 207118028U CN 201720850074 U CN201720850074 U CN 201720850074U CN 207118028 U CN207118028 U CN 207118028U
- Authority
- CN
- China
- Prior art keywords
- voltage
- input
- circuit
- semiconductor
- oxide
- 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
- 239000004065 semiconductor Substances 0.000 claims description 25
- 230000005611 electricity Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
On-off circuit field is the utility model is related to, espespecially a kind of single ignition source switching on-off circuit.The utility model detects the voltage of low pressure, input end by electric voltage observation circuit, when higher than predeterminated voltage, output control signal control electronic switch closes high voltage supply output, and low-voltage power supply is switched to export, realize the switching that the power supply high-low pressure power supply to single fire switch is stablized, it can be closed simultaneously by control signal high input voltage translation circuit or in a dormant state, so as to reduce the power consumption of system, avoid load to there is situation about flashing during the electricity-saving lamps such as LED, fluorescent lamp.
Description
Technical field
On-off circuit field is the utility model is related to, espespecially a kind of single ignition source switching on-off circuit.
Background technology
Single fiery Switching Power Supply typically has two groups of power voltage supplies of height at present, when all load circuits are closed, by high input voltage
End power supply, when there is load conduction all the way, then powered after turning on by low pressure, input end.The switching of existing high-low voltage power source generally by
Power input is directly connected a diode with power output end, and is switched over by the height of output voltage.But
The high-low pressure switching of actually this mode is extremely unstable and insecure, and the power consumption of system is big, especially when load
For the electricity-saving lamps such as LED, fluorescent lamp when, situation about often flashing can occur for electricity-saving lamp.
The content of the invention
To solve the above problems, the utility model provides a kind of single ignition source switching on-off circuit, can be to single fire switch
The switching stablized of power supply high-low pressure power supply, and reduce the power consumption of system.
To achieve the above object, the technical solution adopted in the utility model is：A kind of single ignition source switching on-off circuit, bag
Include high voltage input terminal, low pressure, input end, power output end, in addition to electronic switch, high input voltage translation circuit, voltage prison
Slowdown monitoring circuit, the high voltage input terminal are connected with the input of high input voltage translation circuit, and high input voltage translation circuit is cut with electronics
Change the input connection of switch, the output end of power output end and electronic switch connects, the low pressure, input end respectively with
The input connection of electronic switch, electric voltage observation circuit, the output end of the electric voltage observation circuit respectively with high input voltage
The input connection of translation circuit, electronic switch.
Specifically, the electronic switch includes the first metal-oxide-semiconductor Q1, and the electric voltage observation circuit includes first resistor
R1, second resistance R2 and voltage checking chip U, the first metal-oxide-semiconductor Q1 drain electrodes are connected with power output end, and source electrode passes through two poles
Pipe is connected with low pressure, input end, and grid is connected by the second metal-oxide-semiconductor Q2 with voltage checking chip U output end, the voltage inspection
The output end for surveying chip U is also connected with high input voltage translation circuit, and the input of the voltage checking chip U passes through first resistor
R1 is connected with low pressure, input end, is also grounded by second resistance R2.
Specifically, the grid of the second metal-oxide-semiconductor Q2 is connected with voltage checking chip U, source ground, the 2nd MOS
Pipe Q2 drain electrode is connected with the first metal-oxide-semiconductor Q1 grid.
Specifically, the diode cathode is connected with the first metal-oxide-semiconductor Q1 source electrode, and positive pole is connected with low pressure, input end, institute
State and be also in series with resistance between the first metal-oxide-semiconductor Q1 source electrode and grid.
The beneficial effects of the utility model are：The utility model detects the electricity of low pressure, input end by electric voltage observation circuit
Pressure, when higher than predeterminated voltage, output control signal control electronic switch closes high voltage supply output, and switches to low
Pressure power supply output, the switching that the power supply high-low pressure power supply to single fire switch is stablized is realized, while control signal can be passed through
High input voltage translation circuit is closed or in a dormant state, so as to reduce the power consumption of system, avoids load as LED, fluorescent lamp
There is situation about flashing during Deng electricity-saving lamp.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is the principle schematic of this specific embodiment.
Drawing reference numeral explanation：1. high voltage input terminal；2. low pressure, input end；3. power output end；4. electronics switching is opened
Close；5. high input voltage translation circuit；6. electric voltage observation circuit.
Embodiment
Refer to shown in Fig. 1, the utility model on a kind of single ignition source switching on-off circuit, including high voltage input terminal 1,
Low pressure, input end 2, power output end 3, in addition to electronic switch 4, high input voltage translation circuit 5, electric voltage observation circuit 6,
The high voltage input terminal 1 is connected with the input of high input voltage translation circuit 5, and high input voltage translation circuit 5 is opened with electronics switching
Close 4 input connection, power output end 3 is connected with the output end of electronic switch 4, the low pressure, input end 2 respectively with
The input connection of electronic switch 4, electric voltage observation circuit 6, the output end of the electric voltage observation circuit 6 are defeated with high pressure respectively
Enter the input connection of translation circuit 5, electronic switch 4.
Compared with prior art, the utility model detects the voltage of low pressure, input end 2 by electric voltage observation circuit 6, works as height
When predeterminated voltage, output control signal control electronic switch 4 closes high voltage supply output, and switches to low-voltage power supply
Output, so as to the switching that the power supply high-low pressure power supply realized to single fire switch is stablized, while control signal height can be passed through
Pressure Input transformation circuit 5 is closed or in a dormant state, so as to reduce the power consumption of system, avoids load as LED, fluorescent lamp etc.
Occurs situation about flashing during electricity-saving lamp.
Specifically, the electronic switch 4 includes the first metal-oxide-semiconductor Q1, and the electric voltage observation circuit 6 includes first resistor
R1, second resistance R2 and voltage checking chip U, the first metal-oxide-semiconductor Q1 drain electrodes are connected with power output end 3, and source electrode passes through two
Pole pipe is connected with low pressure, input end 2, and grid is connected by the second metal-oxide-semiconductor Q2 with voltage checking chip U output end, the voltage
Detection chip U output end is also connected with high input voltage translation circuit 5, and the input of the voltage checking chip U passes through first
Resistance R1 is connected with low pressure, input end 2, is also grounded by second resistance R2.
Specifically, the grid of the second metal-oxide-semiconductor Q2 is connected with voltage checking chip U, source ground, the 2nd MOS
Pipe Q2 drain electrode is connected with the first metal-oxide-semiconductor Q1 grid.
Specifically, the diode cathode is connected with the first metal-oxide-semiconductor Q1 source electrode, and positive pole is connected with low pressure, input end, institute
State and be also in series with resistance between the first metal-oxide-semiconductor Q1 source electrode and grid.
Using such scheme, refer to shown in Fig. 2, this specific embodiment electric voltage observation circuit 6 is by first resistor R1, second
Resistance R2 and voltage checking chip U is formed, and low pressure, input end is monitored, when low pressure, input end is higher than predeterminated voltage, electricity
Press the output control signal of observation circuit 6.Electronic switch 4 is made up of metal-oxide-semiconductor Q1, and electronic switch 4 is by voltage monitoring electricity
The control signal control on road 6 is opened, while controls high input voltage translation circuit 5 to close or dormancy.When low pressure, input end 2 is less than
During certain voltage, control low pressure, input end 2 is closed, while controls high input voltage translation circuit 5 to open.Wherein, the electricity of adjustment first
Resistance R1 and second resistance R2 can adjust and switch the voltage of low pressure, input end 2, and high-low pressure power supply output is reliably switched
Control.In addition, in this specific embodiment, electric voltage observation circuit 6 can be substituted for amplifier or comparator, and metal-oxide-semiconductor Q1 can
To be replaced by the device such as triode or other forms metal-oxide-semiconductor.
Embodiment of above is only that preferred embodiment of the present utility model is described, not to the utility model
Scope be defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff to this
The various modifications and improvement that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (4)
1. a kind of single ignition source switching on-off circuit, including high voltage input terminal, low pressure, input end, power output end, its feature exist
In：Also include electronic switch, high input voltage translation circuit, electric voltage observation circuit, the high voltage input terminal and high input voltage
The input connection of translation circuit, the input of high input voltage translation circuit and electronic switch connect, power output end with
The output end connection of electronic switch, the low pressure, input end input with electronic switch, electric voltage observation circuit respectively
End connection, the output end of the electric voltage observation circuit connect with the input of high input voltage translation circuit, electronic switch respectively
Connect.
A kind of 2. single ignition source switching on-off circuit according to claim 1, it is characterised in that：The electronic switch
Including the first metal-oxide-semiconductor（Q1）, the electric voltage observation circuit includes first resistor（R1）, second resistance (R2) and voltage checking chip
（U）, first metal-oxide-semiconductor（Q1）Drain electrode is connected with power output end, and source electrode is connected by diode with low pressure, input end, grid
Pass through the second metal-oxide-semiconductor（Q2）With voltage checking chip（U）Output end connection, the voltage checking chip（U）Output end also
It is connected with high input voltage translation circuit, the voltage checking chip（U）Input pass through first resistor（R1）Inputted with low pressure
End connection, also passes through second resistance（R2）Ground connection.
A kind of 3. single ignition source switching on-off circuit according to claim 2, it is characterised in that：Second metal-oxide-semiconductor
（Q2）Grid and voltage checking chip（U）Connection, source ground, second metal-oxide-semiconductor（Q2）Drain electrode and the first metal-oxide-semiconductor
（Q1）Grid connection.
A kind of 4. single ignition source switching on-off circuit according to claim 2, it is characterised in that：The diode cathode with
First metal-oxide-semiconductor（Q1）Source electrode connection, positive pole is connected with low pressure, input end, first metal-oxide-semiconductor（Q1）Source electrode and grid it
Between be also in series with resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850074.3U CN207118028U (en) | 2017-07-13 | 2017-07-13 | Single ignition source switches on-off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850074.3U CN207118028U (en) | 2017-07-13 | 2017-07-13 | Single ignition source switches on-off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207118028U true CN207118028U (en) | 2018-03-16 |
Family
ID=61573077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720850074.3U Expired - Fee Related CN207118028U (en) | 2017-07-13 | 2017-07-13 | Single ignition source switches on-off circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207118028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235896A (en) * | 2020-09-10 | 2021-01-15 | 深圳市崧盛电子股份有限公司 | Circuit for automatically adjusting output current by low-voltage input and driving power supply |
| CN112469171A (en) * | 2020-11-27 | 2021-03-09 | 北京如影智能科技有限公司 | Intelligent single-fire switch and sleep time management method and device thereof |
| CN113114026A (en) * | 2021-04-08 | 2021-07-13 | 芯鹿科技(苏州)有限公司 | Power supply control circuit for high-voltage synchronous rectification system |
-
2017
- 2017-07-13 CN CN201720850074.3U patent/CN207118028U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235896A (en) * | 2020-09-10 | 2021-01-15 | 深圳市崧盛电子股份有限公司 | Circuit for automatically adjusting output current by low-voltage input and driving power supply |
| CN112235896B (en) * | 2020-09-10 | 2023-04-18 | 深圳市崧盛电子股份有限公司 | Circuit for automatically adjusting output current by low-voltage input and driving power supply |
| CN112469171A (en) * | 2020-11-27 | 2021-03-09 | 北京如影智能科技有限公司 | Intelligent single-fire switch and sleep time management method and device thereof |
| CN112469171B (en) * | 2020-11-27 | 2023-03-31 | 北京如影智能科技有限公司 | Intelligent single-fire switch and sleep time management method and device thereof |
| CN113114026A (en) * | 2021-04-08 | 2021-07-13 | 芯鹿科技(苏州)有限公司 | Power supply control circuit for high-voltage synchronous rectification system |
| CN113114026B (en) * | 2021-04-08 | 2023-11-07 | 芯鹿科技(苏州)有限公司 | Power supply control circuit for high-voltage synchronous rectification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI535175B (en) | Load driving circuit and method thereof | |
| CN207118028U (en) | Single ignition source switches on-off circuit | |
| CN105811949B (en) | Bidirectional thyristor triggers throttle circuit and its trigger circuit | |
| CN106658838A (en) | Lighting device, control chip, linear dimming system and linear dimming method | |
| CN107294199A (en) | A kind of compound voltage detecting switching circuit of logic | |
| CN202085359U (en) | Controlling means for acousto-optic touch tri-control non-attended light | |
| CN207664888U (en) | High efficiency full bridge rectifier | |
| WO2019015142A1 (en) | High-efficiency constant-illumination street lamp | |
| CN203748061U (en) | Novel driver used for induction LED | |
| CN203086806U (en) | A light adjusting circuit of a fluorescent lamp | |
| CN103269064B (en) | Zero-power-consumption releasing circuit of anti-interference capacitor at AC end of switching power supply | |
| CN207117476U (en) | Based on metal-oxide-semiconductor Switching Power Supply cold start-up circuit | |
| CN202797938U (en) | Overvoltage protection circuit and TV set | |
| CN103338545B (en) | A kind of fluorescent lamp light adjusting circuit and method of work thereof | |
| CN207184882U (en) | A kind of LED of time-delay closing | |
| CN103796385A (en) | Induction LED actuator low in stand-by power consumption | |
| CN205017650U (en) | Automatic light control ware suitable for public occasion | |
| CN105356871B (en) | Zero-power-consumption standby touches power down switch | |
| CN203827043U (en) | Heavy-current constant-current charging circuit | |
| CN105007065B (en) | Touch zero-power electric iron time-delaying energy-saving switch | |
| CN203368883U (en) | Fluorescent lamp dimming circuit | |
| CN203352156U (en) | Zero power consumption release circuit for anti-interference capacitors on switching power supply AC end | |
| CN204131813U (en) | A kind of fluorescent lamp light adjusting circuit | |
| CN217590592U (en) | Compatible dimmer circuit | |
| CN203618187U (en) | Boosted circuit of constant current boosted power source of LED energy-saving lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |