CN114047456A - LED power supply test control circuit - Google Patents
LED power supply test control circuit Download PDFInfo
- Publication number
- CN114047456A CN114047456A CN202111212009.5A CN202111212009A CN114047456A CN 114047456 A CN114047456 A CN 114047456A CN 202111212009 A CN202111212009 A CN 202111212009A CN 114047456 A CN114047456 A CN 114047456A
- Authority
- CN
- China
- Prior art keywords
- control circuit
- circuit
- power supply
- pin
- variable resistor
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 230000010355 oscillation Effects 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 11
- 208000003464 asthenopia Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to a control circuit, in particular to an LED power supply test control circuit. The technical problem to be solved is as follows: the LED power supply test control circuit has no requirement on experience of detection personnel and is high in test accuracy and efficiency. The technical scheme is as follows: an LED power supply test control circuit comprises a power supply circuit, a power switch, a delay timer circuit, a delay setting potentiometer and the like; the power switch output end is connected with the input end of the delay timer circuit, the input end of the delay timer circuit is connected with the output end of the delay setting potentiometer, the output end of the alternating current input end is connected with the input end of the LED power supply for testing, and the output end of the LED power supply for testing is connected with the input end of the LED lamp panel. Through the state of power indicator, can remind people whether switch is opened.
Description
Technical Field
The invention relates to a control circuit, in particular to an LED power supply test control circuit.
Background
The LED as a novel lighting lamp has already been put into the popularization stage, but in the production process of the LED, no matter a light source, a driving power supply or a finished lamp, the LED needs to be tested before being delivered to a factory for use, so that the LED power supply is prevented from aging when in work, the existing LED detection method has manual visual inspection, the defects are obvious, the requirements on the experience of detection personnel are met, the workload is high, the visual fatigue is easy to cause missing detection and erroneous judgment, and finally the efficiency is low.
Therefore, in order to solve the above problems, an LED power supply test control circuit is now developed, which has no requirement on the experience of the detection personnel and has high test accuracy and efficiency.
Disclosure of Invention
In order to overcome the defects that manual visual inspection requires experience of detection personnel, workload is large, visual fatigue is easy to cause missed detection and erroneous judgment, and finally efficiency is low, the technical problem to be solved is as follows: the LED power supply test control circuit has no requirement on experience of detection personnel and is high in test accuracy and efficiency.
The technical scheme is as follows: the utility model provides a LED power test control circuit, sets for potentiometre, AC input, test LED power and LED lamp plate including power supply circuit, switch, time delay timer circuit, time delay, and above-mentioned switch output and time delay timer circuit input are connected, time delay timer circuit input and time delay set for potentiometre output to be connected, AC input output and test LED power input are connected, test LED power output and LED lamp plate input are connected, power supply circuit sets for the potentiometre power supply for switch, time delay timer circuit and time delay.
Furthermore, the power supply circuit also comprises a starting key, the output end of the starting key is connected with the input end of the delay timer circuit, and the power supply circuit supplies power to the starting key.
Furthermore, the power supply switch also comprises a power supply indicator lamp, and the output end of the power supply switch is connected with the input end of the power supply indicator lamp.
Further, the temperature control circuit comprises a level conversion circuit, a temperature control circuit, a temperature trigger control circuit, a thermistor, a reference potentiometer, a high-temperature trigger potentiometer, a low-temperature trigger potentiometer, a relay control circuit and an electromagnetic valve, wherein the output end of the delay timer circuit is connected with the input end of the level conversion circuit, the output end of the level conversion circuit is connected with the input end of the temperature control circuit, the input end of the temperature control circuit is connected with the output end of the temperature trigger control circuit, the input end of the temperature trigger control circuit is connected with the output end of the thermistor, the input end of the temperature trigger control circuit is connected with the output end of the reference potentiometer, the input end of the temperature trigger control circuit is connected with the output end of the high-temperature trigger potentiometer, and the input end of the temperature trigger control circuit is connected with the output end of the low-temperature trigger potentiometer, the output end of the temperature control circuit is connected with the input end of the relay control circuit, and the output end of the relay control circuit is connected with the input end of the electromagnetic valve.
Further, the delay timer circuit comprises a switch S1, a first light touch switch SW1, a resistor R1 and a light emitting diode VD1, one end of the switch S1 is connected with +12V, the other end of the switch S1 is connected with the first light touch switch SW1 and the resistor R1 in series, the other end of the resistor R1 is connected with the anode of the light emitting diode VD1, and the cathode of the light emitting diode VD1 is grounded.
Furthermore, the LED lamp panel and the LED power supply for testing are consistent in quantity, the LED lamp panel has 120 light emitting diodes in total, and the light emitting diodes are divided into 12 strings and 10 parallel.
Further, the level conversion circuit comprises a digital-to-analog converter TLC55-U1, an NPN type triode Q1, a resistor R2, an electrolytic capacitor EC1, a variable resistor VR4 and a capacitor C1, wherein a pin 1 of the digital-to-analog converter TLC55-U1 is grounded, a node between pins 2 and 6 of the digital-to-analog converter TLC55-U1 is connected with a resistor R2 and a variable resistor VR4 in series, the other end of the variable resistor VR4 is grounded with the electrolytic capacitor EC1, a node between a base of the NPN type triode Q1 and the electrolytic capacitor EC1 is connected with a first light-touch switch SW1, an emitter of the NPN type triode Q1 is connected with the resistor R1, a pin 4 and a pin 8 of the digital-to-analog converter TLC 1 are connected with a switch S1, a pin 5 of the digital-to analog-to-digital-to-analog converter TLC 1 is connected with a capacitor C1, and the other end of the capacitor C1 is grounded.
Further, the temperature control circuit comprises an oscillation circuit CD4069-U2, a temperature sensor, a variable resistor VR3, an NPN type triode Q2 and a variable resistor VR1, wherein a pin 1 of the oscillation circuit CD4069-U2 is connected with a pin 3 of the oscillation circuit TLC555-U1, a pin 7 of the oscillation circuit CD4069-U2 is grounded, a pin 14 of the oscillation circuit CD4069-U2 is connected with the temperature sensor, a node between the other end of the temperature sensor and a base of the NPN type triode Q2 is connected with the variable resistor VR3, a node between the variable resistor VR3 and an emitter of the NPN type triode Q2 is grounded, a collector of the NPN type triode Q2 is connected with the variable resistor VR1, and the other end of the variable resistor VR1 is connected with the temperature sensor.
Further, the temperature trigger control circuit comprises a oscillation circuit TLC555-U3, a variable resistor VR2 and a capacitor C2, wherein a pin 1 of the oscillation circuit TLC555-U3 is grounded, a pin 2 of the oscillation circuit TLC555-U3 is connected with the variable resistor VR2, the other end of the variable resistor VR2 is connected with the variable resistor VR1, a pin 4 of the oscillation circuit TLC555-U3 is connected with a pin 2 of the oscillation circuit CD4069-U2, a pin 5 of the oscillation circuit TLC555-U3 is connected with the capacitor C2, the other end of the capacitor C2 is grounded, a pin 6 of the oscillation circuit TLC555-U3 is connected with the variable resistor VR1, and a pin 8 of the oscillation circuit TLC555-U3 is connected with the variable resistor VR 2.
Further, the relay control circuit comprises a diode D1, a diode D2 and a relay RL1, a pin 3 of an oscillating circuit TLC555-U3 is connected with an anode of a diode D1, a cathode of the diode D1 is connected with a diode D2 and a relay RL1 in series, a node between the diode D2 and the other end of the relay RL1 is grounded, a pin 8 of the oscillating circuit TLC555-U3 is connected with a COM end of a relay RL1, an NC end of the relay RL1 is connected with a solenoid valve, and the other end of the solenoid valve is grounded.
The invention has the following advantages: 1. through the state of power indicator, can remind people whether switch is opened.
2. The cooling operation can be controlled by the solenoid valve.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
In the above drawings: 1: power supply circuit, 2: power switch, 3: power indicator, 4: delay timer circuit, 5: time delay setting potentiometer, 6: level conversion circuit, 7: temperature control circuit, 8: temperature trigger control circuit, 9: thermistor, 10: start key, 11: relay control circuit, 12: electromagnetic valve, 13: reference potentiometer, 14: high temperature trigger potentiometer, 15: low temperature trigger potentiometer, 16: ac input, 17: LED power supply for test, 18: LED lamp panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a LED power test control circuit, as shown in fig. 1-2, including power supply circuit 1, switch 2, time delay timer circuit 4, time delay settlement potentiometre 5, AC input 16, test LED power 17 and LED lamp plate 18, above-mentioned switch 2 output and time delay timer circuit 4 input are connected, time delay timer circuit 4 input and time delay settlement potentiometre 5 output are connected, AC input 16 output and test LED power 17 input are connected, test LED power 17 output and LED lamp plate 18 input are connected, power supply circuit 1 sets for switch 2, time delay timer circuit 4 and time delay settlement potentiometre 5 power supplies.
When people need to detect the LED power supply, the power switch 2 can be turned on, then the potentiometer 5 can be set through time delay, the time delay timer circuit 4 is timed, the working range of the test power supply is controlled, then the LED lamp panel 18 is detected through the alternating current input end 16, the LED power supply 17 for test is turned on, after the detection is finished, the power switch 2 can be turned off, and the LED power supply 17 for test is turned off.
The power supply circuit also comprises a starting key 10, wherein the output end of the starting key 10 is connected with the input end of the delay timer circuit 4, and the power supply circuit 1 supplies power to the starting key 10.
When people need to detect the LED power supply, the starting key 10 can be pressed, and the starting key 10 can be closed after detection.
The power supply switch is characterized by further comprising a power supply indicator lamp 3, and the output end of the power supply switch 2 is connected with the input end of the power supply indicator lamp 3.
When the power switch 2 is turned on, the power indicator lamp 3 is turned on, and when the power switch 2 is turned off, the power indicator lamp 3 is turned off.
The temperature control circuit comprises a level conversion circuit 6, a temperature control circuit 7, a temperature trigger control circuit 8, a thermistor 9, a reference potentiometer 13, a high-temperature trigger potentiometer 14, a low-temperature trigger potentiometer 15, a relay control circuit 11 and an electromagnetic valve 12, wherein the output end of a delay timer circuit 4 is connected with the input end of the level conversion circuit 6, the output end of the level conversion circuit 6 is connected with the input end of the temperature control circuit 7, the input end of the temperature control circuit 7 is connected with the output end of the temperature trigger control circuit 8, the input end of the temperature trigger control circuit 8 is connected with the output end of the thermistor 9, the input end of the temperature trigger control circuit 8 is connected with the output end of the reference potentiometer 13, the input end of the temperature trigger control circuit 8 is connected with the output end of the high-temperature trigger potentiometer 14, the input end of the temperature trigger control circuit 8 is connected with the output end of the low-temperature trigger potentiometer 15, the output end of the temperature control circuit 7 is connected with the input end of the relay control circuit 11, and the output end of the relay control circuit 11 is connected with the input end of the electromagnetic valve 12.
When people detect the LED power supply, the LED lamp panel generates temperature and needs cooling operation, people can set the temperature value, and when the temperature of the LED lamp panel is detected to be higher than the temperature value in the detection process, the high-temperature trigger potentiometer 14 controls the temperature control circuit 7 to work, the temperature control circuit 7 controls the relay control circuit 11 to work, the relay control circuit 11 controls the electromagnetic valve 12 to work, the electromagnetic valve 12 opens water, and then the LED lamp panel is cooled; if the temperature of the LED lamp panel is lower than the temperature value, the low-temperature trigger potentiometer 15 controls the temperature control circuit 7 to stop working, and then the electromagnetic valve 12 stops working.
The delay timer circuit 4 comprises a switch S1, a first touch switch SW1, a resistor R1 and a light emitting diode VD1, one end of the switch S1 is connected with +12V, the other end of the switch S1 is connected with the first touch switch SW1 and the resistor R1 in series, the other end of the resistor R1 is connected with the anode of the light emitting diode VD1, and the cathode of the light emitting diode VD1 is grounded.
The number of the LED lamp panel 18 is the same as that of the LED power supply 17 for testing, the LED lamp panel 18 has 120 light emitting diodes in total, and the light emitting diodes are divided into 12 strings and 10 parallel.
The level conversion circuit 6 comprises a digital-to-analog converter TLC55-U1, an NPN type triode Q1, a resistor R2, an electrolytic capacitor EC1, a variable resistor VR4 and a capacitor C1, wherein a pin 1 of the digital-to-analog converter TLC55-U1 is grounded, a node series resistor R2 between pins 2 and 6 of the digital-to-analog converter TLC55-U1 and the variable resistor VR4 are grounded, the other end of the variable resistor VR4 is grounded with the electrolytic capacitor EC1, a node between a base of the NPN type triode Q1 and the electrolytic capacitor EC1 is connected with a first light-touch switch SW1, an emitter of the NPN type triode Q1 is connected with the resistor R2, pins 4 and 8 of the digital-to-analog-to-digital-to-analog converter TLC55-U1 are connected with a switch S1, a pin 5 of the digital-to analog-to digital converter TLC55-U1 is connected with the capacitor C1, and the other end of the capacitor C1 is grounded.
The temperature control circuit 7 comprises an oscillation circuit CD4069-U2, a temperature sensor, a variable resistor VR3, an NPN type triode Q2 and a variable resistor VR1, wherein a pin 1 of the oscillation circuit CD4069-U2 is connected with a pin 3 of the oscillation circuit TLC555-U1, a pin 7 of the oscillation circuit CD4069-U2 is grounded, a pin 14 of the oscillation circuit CD4069-U2 is connected with the temperature sensor, a node between the other end of the temperature sensor and the base of the NPN type triode Q2 is connected with a variable resistor VR3, a node between the variable resistor VR3 and the emitter of the NPN type triode Q2 is grounded, the collector of the NPN type triode Q2 is connected with the variable resistor VR1, and the other end of the variable resistor 1 is connected with the temperature sensor.
The temperature trigger control circuit 8 comprises a shaking circuit TLC555-U3, a variable resistor VR2 and a capacitor C2, wherein a pin 1 of the shaking circuit TLC555-U3 is grounded, a pin 2 of the shaking circuit TLC555-U3 is connected with the variable resistor VR2, the other end of the variable resistor VR2 is connected with the variable resistor VR1, a pin 4 of the shaking circuit TLC555-U3 is connected with a pin 2 of the shaking circuit CD4069-U2, a pin 5 of the shaking circuit TLC555-U3 is connected with the capacitor C2, the other end of the capacitor C2 is grounded, a pin 6 of the shaking circuit TLC555-U3 is connected with the variable resistor VR1, and a pin 8 of the shaking circuit TLC555-U3 is connected with the variable resistor VR 2.
The relay control circuit 11 comprises a diode D1, a diode D2 and a relay RL1, wherein the pin 3 of an oscillating circuit TLC555-U3 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a diode D2 and a relay RL1 in series, a node between the diode D2 and the other end of a relay RL1 is grounded, the pin 8 of the oscillating circuit TLC555-U3 is connected with the COM end of a relay RL1, the NC end of the relay RL1 is connected with a solenoid valve 12, and the other end of the solenoid valve 12 is grounded.
When people need to detect the LED power supply, the switch S1 and the first light touch switch SW1 can be pressed first, the light emitting diode VD1 is lightened, timing can be started, and if the voltage is higher than 4V, the 3 pins of the digital-to-analog converter TLC55-U1 output low level to the oscillating circuit CD4069-U2, and then the oscillating circuit CD4069-U2 works; if the voltage is lower than 4V, the 3 pin of the digital-to-analog converter TLC55-U1 outputs high level to the oscillating circuit CD4069-U2, and the timing time is up, then the oscillating circuit CD4069-U2 does not work; when the temperature rises, the voltage of the temperature sensor and the NPN type triode Q2 drops, when the voltage drops to 4V, the oscillation circuit TLC555-U3 is set, 3 pins of the oscillation circuit TLC555-U3 output high level, the variable resistor VR1 is attracted, the electromagnetic valve 12 is switched on, the temperature can be reduced, the resistance value of the temperature sensor can be increased along with the reduction of the temperature, when the voltage of the NPN type triode Q2 rises, the voltage of 6 pins of the oscillation circuit TLC555-U3 reaches 8V, the oscillation circuit TLC555-U3 resets, the 3 pins of the oscillation circuit TLC555-U3 output ground level, the variable resistor VR1 is switched off, and the electromagnetic valve 12 is released.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a LED power test control circuit, its characterized in that, including power supply circuit (1), switch (2), time delay timer circuit (4), time delay settlement potentiometre (5), ac input end (16), test LED power (17) and LED lamp plate (18), above-mentioned switch (2) output and time delay timer circuit (4) input are connected, time delay timer circuit (4) input and time delay settlement potentiometre (5) output are connected, ac input end (16) output and test LED power (17) input are connected, test LED power (17) output and LED lamp plate (18) input are connected, power supply circuit (1) sets for switch (2), time delay timer circuit (4) and time delay potentiometer (5) power supply.
2. The LED power supply test control circuit as claimed in claim 1, further comprising a start button (10), wherein an output end of the start button (10) is connected with an input end of the delay timer circuit (4), and the power supply circuit (1) supplies power to the start button (10).
3. An LED power supply test control circuit according to claim 2, further comprising a power supply indicator (3), wherein the output terminal of said power supply switch (2) is connected to the input terminal of said power supply indicator (3).
4. The LED power supply test control circuit according to claim 3, further comprising a level conversion circuit (6), a temperature control circuit (7), a temperature trigger control circuit (8), a thermistor (9), a reference potentiometer (13), a high temperature trigger potentiometer (14), a low temperature trigger potentiometer (15), a relay control circuit (11) and a solenoid valve (12), wherein an output end of the delay timer circuit (4) is connected with an input end of the level conversion circuit (6), an output end of the level conversion circuit (6) is connected with an input end of the temperature control circuit (7), an input end of the temperature control circuit (7) is connected with an output end of the temperature trigger control circuit (8), an input end of the temperature trigger control circuit (8) is connected with an output end of the thermistor (9), an input end of the temperature trigger control circuit (8) is connected with an output end of the reference potentiometer (13), the temperature trigger control circuit (8) input is connected with high temperature trigger potentiometer (14) output, temperature trigger control circuit (8) input and low temperature trigger potentiometer (15) output are connected, temperature control circuit (7) output and relay control circuit (11) input are connected, relay control circuit (11) output and solenoid valve (12) input are connected.
5. The LED power supply test control circuit as claimed in claim 4, wherein the delay timer circuit (4) comprises a switch S1, a first tact switch SW1, a resistor R1 and a light emitting diode VD1, one end of the switch S1 is connected with +12V, the other end of the switch S1 is connected with the first tact switch SW1 and the resistor R1 in series, the other end of the resistor R1 is connected with the anode of the light emitting diode VD1, and the cathode of the light emitting diode VD1 is grounded.
6. The LED power supply test control circuit of claim 5, wherein the number of the LED lamp panels (18) is the same as that of the LED power supplies (17) for test, and the number of the LED lamp panels (18) is 120 in total, and the LEDs are divided into 12 strings and 10 parallel.
7. The LED power test control circuit of claim 6, wherein the level shift circuit (6) comprises a digital-to-analog converter TLC55-U1, an NPN transistor Q1, a resistor R2, an electrolytic capacitor EC1, a variable resistor VR4 and a capacitor C1, the 1 pin of the digital-to-analog converter TLC55-U1 is grounded, the node between the 2 pin and the 6 pin of the digital-to-analog converter TLC55-U1 is connected with a resistor R2 and a variable resistor VR4 in series, the other end of the variable resistor VR4 is grounded with the electrolytic capacitor EC1, a node between the base electrode of the NPN type triode Q1 and the electrolytic capacitor EC1 is connected with the first tact switch SW1, the emitter of the NPN type triode Q1 is connected with a resistor R2, the pins 4 and 8 of the digital-to-analog converter TLC55-U1 are connected with a switch S1, the pin 5 of the digital-to-analog converter TLC55-U1 is connected with a capacitor C1, and the other end of the capacitor C1 is grounded.
8. An LED power supply test control circuit according to claim 7, characterized in that the temperature control circuit (7) comprises an oscillation circuit CD4069-U2, a temperature sensor, a variable resistor VR3, an NPN transistor Q2 and a variable resistor VR1, wherein pin 1 of the oscillation circuit CD4069-U2 is connected to pin 3 of the oscillation circuit TLC555-U1, pin 7 of the oscillation circuit CD4069-U2 is connected to ground, pin 14 of the oscillation circuit CD4069-U2 is connected to the temperature sensor, a node between the other end of the temperature sensor and the base of the NPN transistor Q2 is connected to a variable resistor VR3, a node between the variable resistor VR3 and the emitter of the NPN transistor Q2 is connected to ground, a collector of the NPN transistor Q2 is connected to a variable resistor VR1, and the other end of the variable resistor VR1 is connected to the temperature sensor.
9. An LED power supply test control circuit as claimed in claim 8, characterized in that the temperature trigger control circuit (8) comprises a tank circuit TLC555-U3, a variable resistor VR2 and a capacitance C2, wherein pin 1 of the tank circuit TLC555-U3 is connected to ground, pin 2 of the tank circuit TLC555-U3 is connected to a variable resistor VR2, the other end of the variable resistor VR2 is connected to a variable resistor VR1, pin 4 of the tank circuit TLC555-U3 is connected to pin 2 of the tank circuit CD4069-U2, pin 5 of the tank circuit TLC555-U3 is connected to a capacitance C2, the other end of the capacitance C2 is connected to ground, pin 6 of the tank circuit TLC555-U3 is connected to a variable resistor VR1, and pin 8 of the tank circuit TLC555-U3 is connected to a variable resistor VR 2.
10. The LED power supply test control circuit as claimed in claim 9, wherein the relay control circuit (11) comprises a diode D1, a diode D2 and a relay RL1, a pin 3 of the oscillation circuit TLC555-U3 is connected with an anode of the diode D1, a cathode of the diode D1 is connected with a diode D2 and a relay RL1 in series, a node between the diode D2 and the other end of the relay RL1 is grounded, a pin 8 of the oscillation circuit TLC555-U3 is connected with a COM end of the relay RL1, an NC end of the relay RL1 is connected with the solenoid valve (12), and the other end of the solenoid valve (12) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212009.5A CN114047456A (en) | 2021-10-18 | 2021-10-18 | LED power supply test control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212009.5A CN114047456A (en) | 2021-10-18 | 2021-10-18 | LED power supply test control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114047456A true CN114047456A (en) | 2022-02-15 |
Family
ID=80205539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111212009.5A Pending CN114047456A (en) | 2021-10-18 | 2021-10-18 | LED power supply test control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114047456A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691866A (en) * | 2004-04-22 | 2005-11-02 | 日本电气株式会社 | Light source controlling circuit and portable electronic apparatus |
| CN202548302U (en) * | 2012-03-27 | 2012-11-21 | 深圳市莱福德光电有限公司 | LED power source testing system |
| CN203198929U (en) * | 2013-03-18 | 2013-09-18 | 蔺富强 | Burglar alarm of center control ACC automobile time difference lock |
| CN203444092U (en) * | 2013-07-16 | 2014-02-19 | 山东明华光电科技有限公司 | Switch-on/off experiment device for LED power supplies |
| US20150160275A1 (en) * | 2013-12-11 | 2015-06-11 | Progress Rail Services Corporation | System and method for monitoring power consumption of an led lamp |
| WO2016041123A1 (en) * | 2014-09-15 | 2016-03-24 | 深圳市聚作照明股份有限公司 | Open-circuit detection circuit for led emergency lamp power supply |
| CN107277976A (en) * | 2017-07-07 | 2017-10-20 | 佛山市德新科技孵化器有限公司 | A kind of LED power circuit with voltage detecting and control function |
| CN206804843U (en) * | 2017-03-31 | 2017-12-26 | 珠海恩企电子有限公司 | A kind of LED drive power aging cabinet |
| CN108093525A (en) * | 2017-12-28 | 2018-05-29 | 宁波丽安电子有限公司 | A kind of LED power circuit and control method with inductive power supply |
| CN207976573U (en) * | 2017-11-12 | 2018-10-16 | 胡军 | A kind of LED lamp bead detection device based on wireless power source |
| CN210016413U (en) * | 2019-06-27 | 2020-02-04 | 湖南航天机电设备与特种材料研究所 | Load simulation circuit and device for direct-current stabilized power supply |
| WO2020087863A1 (en) * | 2018-11-01 | 2020-05-07 | 深圳市崧盛电子股份有限公司 | Resistance dimmer for testing dimming performance of led driving power supply |
| CN210604933U (en) * | 2019-08-14 | 2020-05-22 | 无锡宇宁智能科技有限公司 | Circuit board testing device |
| WO2020121002A1 (en) * | 2018-12-10 | 2020-06-18 | Magic Zvonko | Sequential measurement of status of led lighting and other apparatus connected to an electrical power line and display of the status and the exact gps position thereof |
| CN214310677U (en) * | 2021-02-20 | 2021-09-28 | 东莞市嘉仕新能电子仪器设备有限公司 | LED power supply back-cut detection circuit and LED power supply test system |
-
2021
- 2021-10-18 CN CN202111212009.5A patent/CN114047456A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691866A (en) * | 2004-04-22 | 2005-11-02 | 日本电气株式会社 | Light source controlling circuit and portable electronic apparatus |
| CN202548302U (en) * | 2012-03-27 | 2012-11-21 | 深圳市莱福德光电有限公司 | LED power source testing system |
| CN203198929U (en) * | 2013-03-18 | 2013-09-18 | 蔺富强 | Burglar alarm of center control ACC automobile time difference lock |
| CN203444092U (en) * | 2013-07-16 | 2014-02-19 | 山东明华光电科技有限公司 | Switch-on/off experiment device for LED power supplies |
| US20150160275A1 (en) * | 2013-12-11 | 2015-06-11 | Progress Rail Services Corporation | System and method for monitoring power consumption of an led lamp |
| WO2016041123A1 (en) * | 2014-09-15 | 2016-03-24 | 深圳市聚作照明股份有限公司 | Open-circuit detection circuit for led emergency lamp power supply |
| CN206804843U (en) * | 2017-03-31 | 2017-12-26 | 珠海恩企电子有限公司 | A kind of LED drive power aging cabinet |
| CN107277976A (en) * | 2017-07-07 | 2017-10-20 | 佛山市德新科技孵化器有限公司 | A kind of LED power circuit with voltage detecting and control function |
| CN207976573U (en) * | 2017-11-12 | 2018-10-16 | 胡军 | A kind of LED lamp bead detection device based on wireless power source |
| CN108093525A (en) * | 2017-12-28 | 2018-05-29 | 宁波丽安电子有限公司 | A kind of LED power circuit and control method with inductive power supply |
| WO2020087863A1 (en) * | 2018-11-01 | 2020-05-07 | 深圳市崧盛电子股份有限公司 | Resistance dimmer for testing dimming performance of led driving power supply |
| WO2020121002A1 (en) * | 2018-12-10 | 2020-06-18 | Magic Zvonko | Sequential measurement of status of led lighting and other apparatus connected to an electrical power line and display of the status and the exact gps position thereof |
| CN210016413U (en) * | 2019-06-27 | 2020-02-04 | 湖南航天机电设备与特种材料研究所 | Load simulation circuit and device for direct-current stabilized power supply |
| CN210604933U (en) * | 2019-08-14 | 2020-05-22 | 无锡宇宁智能科技有限公司 | Circuit board testing device |
| CN214310677U (en) * | 2021-02-20 | 2021-09-28 | 东莞市嘉仕新能电子仪器设备有限公司 | LED power supply back-cut detection circuit and LED power supply test system |
Non-Patent Citations (1)
| Title |
|---|
| 唐幸儿: ""基于一种LED电源测试系统的设计"", 《工程建设与设计》, 30 December 2016 (2016-12-30) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101835306B (en) | Led lamp control circuit and led lamp | |
| CN201638033U (en) | Novel alarm clock | |
| CN114047456A (en) | LED power supply test control circuit | |
| CN202713690U (en) | Dimming interface circuit used for LED drive power | |
| CN203934047U (en) | A kind of LED drive circuit | |
| CN102448231A (en) | Control circuit of hand-touch-type delayed lighting lamp | |
| CN205093002U (en) | LED drive circuit | |
| CN203554729U (en) | LED drive light modulation circuit | |
| CN103428952A (en) | Driving current control circuit and operating method thereof | |
| CN219644149U (en) | Ultralow-power-consumption battery electric quantity display device | |
| CN2577150Y (en) | Intelligent gas range (1) | |
| CN209639621U (en) | Test device for flash bomb electronic fuse | |
| CN203232264U (en) | Intermittent operation controller for electric mixer | |
| CN101896025B (en) | System and method for controlling lamp | |
| CN219843748U (en) | Control circuit of LED lamp | |
| CN218332938U (en) | FPGA reconstruction electronic circuit function experiment board | |
| CN202103895U (en) | Touch type time delay illuminating lamp controller | |
| CN215647480U (en) | Sound, light and touch three-control automatic lamp | |
| CN107952297B (en) | Environment-friendly dust removal control method | |
| CN220422089U (en) | Power detection device | |
| CN202135374U (en) | Street light automatic control circuit | |
| JP2004252342A (en) | Power generation display device | |
| CN217088221U (en) | Automatic light supplementing system | |
| CN207460542U (en) | A kind of LED light of quick implementation pattern switching | |
| CN208873294U (en) | A kind of teaching LED stroboscopic lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |