CN211509385U - Photoelectric controller for outdoor swimming pool lamp - Google Patents
Photoelectric controller for outdoor swimming pool lamp Download PDFInfo
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- CN211509385U CN211509385U CN201922307947.8U CN201922307947U CN211509385U CN 211509385 U CN211509385 U CN 211509385U CN 201922307947 U CN201922307947 U CN 201922307947U CN 211509385 U CN211509385 U CN 211509385U
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Abstract
The utility model discloses an outdoor swimming pool lamp photoelectric source controller, which comprises an AC input end, an EMI filtering rectification module, a PFC boosting module, a first transformer, a rectification output filtering module, a DC output end, a PWM controller and a power conversion module which are connected with the rectification output filtering module and the first transformer, a PWM feedback module which is connected between the PWM controller and the power conversion module and the rectification output filtering module, a voltage/current control module which is connected with the PWM feedback module, and a power supply module which is connected with the PWM controller and the power conversion module, wherein the voltage/current control module comprises a voltage/current control chip, an output overvoltage protection module and an over-temperature protection module which are connected with the voltage/current control chip, and a plurality of control keys which are used for adjusting output current and voltage, the output overvoltage protection module is connected between the rectification output filtering module and the DC output end, the voltage/current control chip is connected with the PWM controller and the power conversion module.
Description
The technical field is as follows:
the utility model relates to a light power control technical field refers in particular to an outdoor swimming pool lamp photoelectric source controller.
Background art:
with the continuous improvement of the scientific and technical level, the social economy is rapidly developed, the living standard of people is greatly improved, the outdoor swimming pool is gradually popularized, and the vigorous development of peripheral auxiliary equipment is followed.
The current outdoor swimming pool lamp photoelectric source controller outputs single constant voltage and current, and the power supply protection measures are not enough, so that the use is not safe enough.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide an outdoor swimming pool lamp photoelectric source controller.
In order to solve the technical problem, the utility model discloses a following technical scheme: the outdoor swimming pool lamp photoelectric source controller comprises an AC input end, an EMI filtering rectification module, a PFC boosting module, a first transformer, a rectification output filtering module, a DC output end, a PWM controller and a power conversion module which are connected with the rectification output filtering module and the first transformer, a PWM feedback module connected between the PWM controller and the power conversion module and the rectification output filtering module, a voltage/current control module connected with the PWM feedback module, and a power supply module connected with the PWM controller and the power conversion module, wherein the voltage/current control module comprises a voltage/current control chip, an output overvoltage protection module and an over-temperature protection module which are connected with the voltage/current control chip, and a plurality of control keys used for adjusting output current and voltage, the output overvoltage protection module is connected between the rectification output filtering module and the DC output end, the voltage/current control chip is connected with the PWM controller and the power conversion module.
Further, in the above technical solution, the output overvoltage protection module includes a voltage dividing resistor R308, a voltage dividing resistor R308A, and a voltage dividing resistor R309 that are sequentially connected in series, the voltage dividing resistor R308 is connected between the rectification output filter module and the DC output terminal, two ends of the voltage dividing resistor R309 are connected in parallel to a schottky diode ZD301 and a capacitor C317, one end of the capacitor C317 is grounded, and the other end is connected to the voltage/current control chip.
Further, in the above technical solution, the over-temperature protection module includes a negative temperature coefficient thermistor NTC301, a voltage dividing resistor connected to the negative temperature coefficient thermistor NTC301, and a capacitor C340 connected in parallel to two ends of the negative temperature coefficient thermistor NTC301, two ends of the negative temperature coefficient thermistor NTC301 are both connected to the voltage/current control chip, and the voltage dividing resistor is connected to the power supply module.
Further, in the above technical solution, the voltage/current control module further includes an output overcurrent protection module connected to the voltage/current control chip, and the output overcurrent protection module is further connected between the rectification output filter module and the DC output terminal.
Further, in the above technical solution, the output overcurrent protection module includes an operational amplifier and a current detection resistor disposed between the rectification output filter module and the DC output terminal, a + terminal of the operational amplifier is connected to the current detection resistor after being connected to the resistor R317, a-terminal resistor R359 of the operational amplifier is grounded, an OUT terminal of the operational amplifier is connected to the voltage/current control chip, and two terminals of the current detection resistor are further connected to the capacitor C314 in parallel.
Further, in the above technical solution, the output overcurrent protection module and the output overvoltage protection module are combined to form an output short-circuit protection circuit.
Furthermore, in the above technical solution, the model of the voltage/current control chip is HT66F30, and the voltage/current control chip is further connected with a plurality of control buttons.
Further, in the above technical solution, the PWM controller and the power conversion module include a PWM control chip, and the model of the PWM control chip is CM 6800; the EMI filtering and rectifying module comprises an EMI module, an input filtering module and a rectifying module which are connected in sequence.
Further, in the above technical solution, the power supply module includes a power chip, a second transformer connected to the power chip, and a voltage-stabilizing power supply loop and a backup voltage power supply loop connected to the second transformer, the voltage-stabilizing power supply loop has an SEC5V port, the SEC5V port is connected to the voltage/current control module, the PWM controller and the power conversion module, and the backup voltage power supply loop has a 5V1.5A interface.
Further, in the above technical solution, the model of the power chip is OB233 FAP.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model is additionally provided with a voltage/current control module, and the voltage/current control module comprises an output overvoltage protection module and an over-temperature protection module, the output overvoltage protection module is used for detecting output voltage, when the voltage/current control chip judges that the voltage/current control chip is overvoltage, an output signal is sent to the PWM controller and the power conversion module, the PWM controller and the power conversion module control the output voltage to stop, and the purpose of outputting overvoltage protection is achieved; the excess temperature protection module detects inside temperature, when exceeding the settlement temperature, voltage/current control chip output signal to this PWM controller and power conversion module, by this PWM controller and power conversion module control stop output voltage, reach the purpose of excess temperature protection, so as to cause the utility model discloses use very safety, in addition, the utility model discloses still accessible control button adjusts output current and voltage to reach the effect of adjusting the bright degree of light, order the utility model discloses extremely strong market competition has.
Description of the drawings:
fig. 1 is a first circuit diagram of the present invention;
fig. 2 is a circuit diagram of the present invention;
fig. 3 is a third circuit diagram of the present invention;
fig. 4 is a block schematic diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1-4, the controller is an outdoor swimming pool lamp photoelectric controller, which comprises an AC input terminal 1, an EMI filter rectifier module 2, a PFC boost module 3, a first transformer 4, a rectifier output filter module 5, a DC output terminal 6, a PWM controller and power conversion module 7 connected to the rectifier output filter module 5 and the first transformer 4, a PWM feedback module 8 connected between the PWM controller and power conversion module 7 and the rectifier output filter module 5, a voltage/current control module 9 connected to the PWM feedback module 8, and a power supply module 10 connected to the PWM controller and power conversion module 7, wherein the voltage/current control module 9 comprises a voltage/current control chip 91, an output overvoltage protection module 92 and an over-temperature protection module 93 connected to the voltage/current control chip 91, and a plurality of control keys 911 for adjusting output current and voltage, the output overvoltage protection module 92 is connected between the rectification output filter module 5 and the DC output terminal 6, and the voltage/current control chip 91 is connected to the PWM controller and power conversion module 7. The utility model discloses add voltage/current control module 9, and this voltage/current control module 9 is including exporting overvoltage protection module 92 and excess temperature protection module 93, should export overvoltage protection module 92 and be used for detecting output voltage, when voltage/current control chip 91 judges to be excessive pressure, output signal to this PWM controller and power conversion module 7, by this PWM controller and power conversion module 7 control stop output voltage, reach the purpose of exporting overvoltage protection; over-temperature protection module 93 detects inside temperature, and when exceeding the settlement temperature, voltage/current control chip 91 output signal to this PWM controller and power conversion module 7, by this PWM controller and power conversion module 7 control stop output voltage, reach the purpose of excess temperature protection, so as to cause the utility model discloses it is very safe to use, in addition, the utility model discloses still accessible control button 911 adjusts output current and voltage to reach the effect of adjusting the bright degree of light, the order the utility model discloses extremely strong market competition has.
The output overvoltage protection module 92 comprises a voltage dividing resistor R308, a voltage dividing resistor R308A and a voltage dividing resistor R309 which are sequentially connected in series, the voltage dividing resistor R308 is connected between the rectification output filter module 5 and the DC output terminal 6, two ends of the voltage dividing resistor R309 are connected in parallel with a schottky diode ZD301 and a capacitor C317, one end of the capacitor C317 is grounded, and the other end of the capacitor C317 is connected with the voltage/current control chip 91. In the circuit diagram, Vo1 is an output voltage, and after being divided by the voltage dividing resistor R308, the voltage dividing resistor R308A, and the voltage dividing resistor R309, a voltage signal is fed back to pin 18 of the voltage/current control chip 91 for detecting the output voltage. When the voltage/current control chip 91 detects that the output voltage exceeds 27V, the voltage/current control chip 91 determines that the power supply output is overvoltage and immediately feeds back the PWM controller and power conversion module 7, and the PWM controller and power conversion module 7 stops outputting until the abnormality of the overvoltage is removed.
The over-temperature protection module 93 comprises a negative temperature coefficient thermistor NTC301, a voltage dividing resistor R339 connected with the negative temperature coefficient thermistor NTC301, and a capacitor C340 connected in parallel with two ends of the negative temperature coefficient thermistor NTC301, wherein two ends of the negative temperature coefficient thermistor NTC301 are both connected with the voltage/current control chip 91, and the voltage dividing resistor R339 is connected with the power supply module 10. The higher the temperature of the negative temperature coefficient thermistor NTC301 is, the smaller the resistance value is; when the voltage/current control chip 91 detects that the power supply temperature exceeds 100 ℃ (the theoretical value is 92 ℃, and the actual value is 100 +/-5 ℃), the power supply is judged to be over-temperature, and the power supply is fed back to the PWM controller and power conversion module 7 immediately, and the PWM controller and power conversion module 7 stops outputting.
The voltage/current control module 9 further includes an output overcurrent protection module 94 connected to the voltage/current control chip 91, and the output overcurrent protection module 94 is further connected between the rectification output filter module 5 and the DC output terminal 6. The output overcurrent protection module 94 is used for detecting the output current, when the current exceeds a set value, the voltage/current control chip 91 outputs a signal to the PWM controller and power conversion module 7, and the PWM controller and power conversion module 7 controls to stop outputting the voltage, so as to achieve the purpose of outputting overcurrent protection, and further achieve the purpose of improving the use safety.
The output overcurrent protection module 94 includes an operational amplifier 941 and a current detection resistor 942 arranged between the rectifying output filter module 5 and the DC output terminal 6, the + terminal connection resistor R317 of the operational amplifier 941 is connected to the current detection resistor 942, the-terminal resistor R359 of the operational amplifier 941 is grounded, the OUT terminal of the operational amplifier 941 is connected to the voltage/current control chip 91, and two ends of the current detection resistor 942 are also connected to a capacitor C314 in parallel.
The output overcurrent protection module 94 and the output overvoltage protection module 92 are combined to form an output short-circuit protection circuit. When the output overcurrent protection module 94 detects that the output voltage is lower than 5V and the output overvoltage protection module 92 detects that the output current is higher than 12A, the voltage/current control chip 91 determines that the output is short-circuited. When the output anode and cathode are short-circuited, the power supply enters a hiccup mode and has no output, and when the short-circuit fault is relieved, the output is automatically recovered, so that the purpose of outputting short-circuit protection is achieved, and the purpose of improving the use safety is further achieved.
The model of the voltage/current control chip 91 is HT66F30, and the voltage/current control chip 91 is further connected with a plurality of control buttons 911.
The PWM controller and power conversion module 7 includes a PWM control chip 71, and the model of the PWM control chip 71 is CM 6800; the EMI filtering and rectifying module 2 comprises an EMI module, an input filtering module and a rectifying module which are connected in sequence.
The power supply module 10 includes a power chip 101, a second transformer 102 connected to the power chip 101, and a voltage-stabilizing power supply loop 103 and a backup voltage power supply loop 104 connected to the second transformer 102, where the voltage-stabilizing power supply loop 103 has an SEC5V port 105, the SEC5V port 105 is connected to the voltage/current control module 9 and the PWM controller and power conversion module 7, and the backup voltage power supply loop 104 has a 5V1.5A interface 106. The model of the power supply chip 101 is OB233 FAP.
To sum up, the utility model discloses add voltage/current control module 9, and this voltage/current control module 9 is including output overvoltage protection module 92 and excess temperature protection module 93, and this output overvoltage protection module 92 is used for detecting output voltage, and when voltage/current control chip 91 judged to be excessive pressure, output signal to this PWM controller and power conversion module 7, by this PWM controller and power conversion module 7 control stop output voltage, reach the purpose of output overvoltage protection; over-temperature protection module 93 detects inside temperature, and when exceeding the settlement temperature, voltage/current control chip 91 output signal to this PWM controller and power conversion module 7, by this PWM controller and power conversion module 7 control stop output voltage, reach the purpose of excess temperature protection, so as to cause the utility model discloses it is very safe to use, in addition, the utility model discloses still accessible control button 911 adjusts output current and voltage to reach the effect of adjusting the bright degree of light, the order the utility model discloses extremely strong market competition has.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. Outdoor swimming pool lamp photoelectric controller, its characterized in that: the power supply device comprises an AC input end (1), an EMI filtering rectification module (2), a PFC boosting module (3), a first transformer (4), a rectification output filtering module (5), a DC output end (6), a PWM controller and a power conversion module (7) which are connected with the rectification output filtering module (5) and the first transformer (4), a PWM feedback module (8) connected between the PWM controller and the power conversion module (7) and the rectification output filtering module (5), a voltage/current control module (9) connected with the PWM feedback module (8), and a power supply module (10) connected with the PWM controller and the power conversion module (7), wherein the voltage/current control module (9) comprises a voltage/current control chip (91), an output overvoltage protection module (92) and an over-temperature protection module (93) which are connected with the voltage/current control chip (91), and a plurality of output current and over-temperature protection modules (93) used for adjusting output current and output current And the voltage control key (911), the output overvoltage protection module (92) is connected between the rectification output filtering module (5) and the DC output end (6), and the voltage/current control chip (91) is connected with the PWM controller and the power conversion module (7).
2. The outdoor swimming pool light power supply controller of claim 1, wherein: the output overvoltage protection module (92) comprises a voltage division resistor R308, a voltage division resistor R308A and a voltage division resistor R309 which are sequentially connected in series, the voltage division resistor R308 is connected between the rectification output filtering module (5) and the DC output end (6), two ends of the voltage division resistor R309 are connected with a Schottky diode ZD301 and a capacitor C317 in parallel, one end of the capacitor C317 is grounded, and the other end of the capacitor C317 is connected with the voltage/current control chip (91).
3. The outdoor swimming pool light power supply controller of claim 1, wherein: the over-temperature protection module (93) comprises a negative temperature coefficient thermistor NTC301, a divider resistor R339 connected with the negative temperature coefficient thermistor NTC301 and a capacitor C340 connected with two ends of the negative temperature coefficient thermistor NTC301 in parallel, wherein two ends of the negative temperature coefficient thermistor NTC301 are both connected with the voltage/current control chip (91), and the divider resistor R339 is connected with the power supply module (10).
4. A light source controller for an outdoor swimming pool according to any one of claims 1 to 3, wherein: the voltage/current control module (9) further comprises an output overcurrent protection module (94) connected with the voltage/current control chip (91), and the output overcurrent protection module (94) is further connected between the rectification output filtering module (5) and the DC output end (6).
5. The outdoor swimming pool light power supply controller of claim 4, wherein: output overcurrent protection module (94) including operational amplifier (941) and set up current detection resistance (942) between this rectification output filter module (5) and DC output (6), connect behind the + end connecting resistance R317 of this operational amplifier (941) current detection resistance (942), ground connection behind the-end resistance R359 of this operational amplifier (941), the OUT end of this operational amplifier (941) is connected voltage/current control chip (91), this current detection resistance (942) both ends are still parallel connection have electric capacity C314.
6. The outdoor swimming pool light power supply controller of claim 5, wherein: the output overcurrent protection module (94) and the output overvoltage protection module (92) are combined to form an output short-circuit protection circuit.
7. The outdoor swimming pool light power supply controller of claim 4, wherein: the model of the voltage/current control chip (91) is HT66F30, and the voltage/current control chip (91) is also connected with a plurality of control keys (911).
8. The outdoor swimming pool light power supply controller of claim 4, wherein: the PWM controller and power conversion module (7) comprises a PWM control chip (71), and the model of the PWM control chip (71) is CM 6800; the EMI filtering and rectifying module (2) comprises an EMI module, an input filtering module and a rectifying module which are connected in sequence.
9. The outdoor swimming pool light power supply controller of claim 4, wherein: the power supply module (10) comprises a power chip (101), a second transformer (102) connected with the power chip (101), and a voltage-stabilizing power supply loop (103) and a backup voltage power supply loop (104) connected with the second transformer (102), wherein the voltage-stabilizing power supply loop (103) is provided with an SEC5V port (105), the SEC5V port (105) is connected with the voltage/current control module (9) and the PWM controller and power conversion module (7), and the backup voltage power supply loop (104) is provided with a 5V1.5A interface (106).
10. The outdoor swimming pool light power supply controller of claim 9, wherein: the model of the power supply chip (101) is OB233 FAP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307947.8U CN211509385U (en) | 2019-12-19 | 2019-12-19 | Photoelectric controller for outdoor swimming pool lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307947.8U CN211509385U (en) | 2019-12-19 | 2019-12-19 | Photoelectric controller for outdoor swimming pool lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211509385U true CN211509385U (en) | 2020-09-15 |
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ID=72417642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307947.8U Expired - Fee Related CN211509385U (en) | 2019-12-19 | 2019-12-19 | Photoelectric controller for outdoor swimming pool lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211509385U (en) |
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2019
- 2019-12-19 CN CN201922307947.8U patent/CN211509385U/en not_active Expired - Fee Related
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Granted publication date: 20200915 |