CN204652248U - A kind of remote controlled Switching Power Supply - Google Patents
A kind of remote controlled Switching Power Supply Download PDFInfo
- Publication number
- CN204652248U CN204652248U CN201520231014.4U CN201520231014U CN204652248U CN 204652248 U CN204652248 U CN 204652248U CN 201520231014 U CN201520231014 U CN 201520231014U CN 204652248 U CN204652248 U CN 204652248U
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- circuit
- control circuit
- power supply
- switching power
- optocoupler
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Abstract
The utility model provides remote controlled Switching Power Supply, this Switching Power Supply comprises wireless receiving circuit, radio control circuit and the auxiliary power circuit from a described rectification filter circuit output end power taking, described auxiliary power circuit is that described radio control circuit and wireless receiving circuit are powered, and described in the signal controlling that described radio control circuit receives according to described wireless receiving circuit, pwm control circuit is power on/off.Compared with prior art, this Switching Power Supply can be controlled by Remote, and user can be controlled by modes such as mobile phone A PP, uses convenient.
Description
Technical field
The utility model relates to switch power technology field, particularly a kind of remote controlled Switching Power Supply.
Background technology
Along with development and the innovation of power electronic technology, switch power technology is also constantly being innovated.At present, Switching Power Supply is widely used with small-sized, light weight and high efficiency feature.It is of many uses in every field, and particularly at sphere of life, it is widely used in the corollary equipment of the electronic products such as household electrical appliance, toy, battery of mobile phone.
Existing Switching Power Supply, general is only flow to electronic product after civil power being carried out the process such as rectifying and wave-filtering, when generally Switching Power Supply input being connected to civil power, no matter whether its output has access load, namely circuit starts energising, as charger power-off then needed manually to extract, make troubles to use.Therefore Switching Power Supply is also plugged on civil power when not needing to charge to electronic product by most of user habit for a long time, and namely switch is in "on" position for a long time, and this not only causes huge energy waste, also can shorten the life-span of charger.For this reason, current partial switch power supply adds reverse-blocking tetrode thyristor to control.But still need consumption to find at the enterprising line operate of Switching Power Supply after Switching Power Supply, still comparatively inconvenience.And along with the appearance of the communication equipments such as smart mobile phone, by communication equipment, the demand that Switching Power Supply carries out Long-distance Control is also got more and more, therefore, provide a kind of can the Switching Power Supply of Long-distance Control very necessary.
Summary of the invention
The purpose of this utility model be to avoid above-mentioned weak point of the prior art and provide a kind of can the Switching Power Supply of Long-distance Control.
The purpose of this utility model is achieved through the following technical solutions:
Provide remote controlled Switching Power Supply, comprise the current rectifying and wave filtering circuit connected successively from input to output, translation circuit and secondary current rectifying and wave filtering circuit, described translation circuit also comprises transformer T1, to the energizing circuit that described transformer T1 excites, the pwm control circuit that described energizing circuit is controlled and the output valve of described secondary current rectifying and wave filtering circuit is sampled and sampled value is fed back to the feedback branch of described pwm control circuit, it is characterized in that: also comprise wireless receiving circuit, radio control circuit and the auxiliary power circuit from a described rectification filter circuit output end power taking, described auxiliary power circuit is that described radio control circuit and wireless receiving circuit are powered, described in the signal controlling that described radio control circuit receives according to described wireless receiving circuit, pwm control circuit is power on/off.
Wherein, the output of described wireless receiving circuit is connected with signal conditioning circuit, described signal conditioning circuit is connected to described radio control circuit through STBY end, and it is power on/off that described radio control circuit controls described pwm control circuit according to the level value that STBY holds.
Wherein, described PWM controller is through the output power taking of power taking circuit from a described current rectifying and wave filtering circuit, described circuit for remotely controlling comprises optocoupler U5, the photophore of described optocoupler U5 is series at described STBY and holds between power supply ground, and the light-receiving device of described optocoupler U5 is series in the power taking circuit of described PWM controller.
Wherein, described feedback branch comprises optocoupler U3 and three end adjustable shunt reference source U6, described three end adjustable shunt reference source U6 sample from the output of described secondary current rectifying and wave filtering circuit with reference to pole, plus earth, negative electrode connects the photophore negative electrode of described optocoupler U3, the photophore anode of described optocoupler U3 is from the power taking of described secondary current rectifying and wave filtering circuit, and the light-receiving device of described optocoupler U3 is arranged in pwm control circuit, thus by signal feedback to pwm control circuit.
Wherein, described pwm control circuit realizes based on chip OB5269CP.
Wherein, described energizing circuit is circuit of reversed excitation.
The beneficial effects of the utility model: the utility model provides remote controlled Switching Power Supply, this Switching Power Supply comprises wireless receiving circuit, radio control circuit and the auxiliary power circuit from a described rectification filter circuit output end power taking, described auxiliary power circuit is that described radio control circuit and wireless receiving circuit are powered, and described in the signal controlling that described radio control circuit receives according to described wireless receiving circuit, pwm control circuit is power on/off.Compared with prior art, this Switching Power Supply can be controlled by Remote, and user can be controlled by modes such as mobile phone A PP, uses convenient.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the circuit diagram of the remote controlled Switching Power Supply of the utility model.
Embodiment
With the following Examples the utility model is further described.
The embodiment of a kind of remote controlled Switching Power Supply of the utility model, comprise: the current rectifying and wave filtering circuit 1 connected successively from input to output, translation circuit and secondary current rectifying and wave filtering circuit 2, described translation circuit also comprises transformer T1, to the energizing circuit 3 that described transformer T1 excites, the pwm control circuit 4 that described energizing circuit 3 is controlled and the output valve of described secondary current rectifying and wave filtering circuit 2 is sampled and sampled value is fed back to the feedback branch 5 of described pwm control circuit 4, wherein, energizing circuit 3 is circuit of reversed excitation, pwm control circuit 4 realizes based on chip OB5269CP, also comprise wireless receiving circuit 6, radio control circuit (7_1, 7_2) with from the auxiliary power circuit 8 of described current rectifying and wave filtering circuit 1 output power taking, described auxiliary power circuit 8 is described radio control circuit (7_1, 7_2) power with wireless receiving circuit 6, described radio control circuit (7_1, described in signal controlling 7_2) received according to described wireless receiving circuit 6, pwm control circuit 4 is power on/off.Compared with prior art, this Switching Power Supply can be controlled by Remote, and user can be controlled by modes such as mobile phone A PP, uses convenient.
The output of described wireless receiving circuit 6 is connected with signal conditioning circuit, described signal conditioning circuit is connected to described radio control circuit (7_1,7_2) through STBY end, and it is power on/off that described radio control circuit (7_1,7_2) controls described pwm control circuit 4 according to the level value that STBY holds.Guarantee the reliable of input signal.
PWM controller is through the output power taking of power taking circuit from a described current rectifying and wave filtering circuit 1, described circuit for remotely controlling comprises optocoupler U5, the photophore of described optocoupler U5 is series at described STBY and holds between power supply ground, and the light-receiving device of described optocoupler U5 is series in the power taking circuit of described PWM controller.
Feedback branch 5 comprises optocoupler U3 and three end adjustable shunt reference source U6, described three end adjustable shunt reference source U6 sample from the output of described secondary current rectifying and wave filtering circuit 2 with reference to pole, plus earth, negative electrode connects the photophore negative electrode of described optocoupler U3, the photophore anode of described optocoupler U3 is from the power taking of described secondary current rectifying and wave filtering circuit 2, the light-receiving device of described optocoupler U3 is arranged in pwm control circuit 4, thus by signal feedback to pwm control circuit 4.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection range; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. a remote controlled Switching Power Supply, comprise the current rectifying and wave filtering circuit connected successively from input to output, translation circuit and secondary current rectifying and wave filtering circuit, described translation circuit also comprises transformer T1, to the energizing circuit that described transformer T1 excites, the pwm control circuit that described energizing circuit is controlled and the output valve of described secondary current rectifying and wave filtering circuit is sampled and sampled value is fed back to the feedback branch of described pwm control circuit, it is characterized in that: also comprise wireless receiving circuit, radio control circuit and the auxiliary power circuit from a described rectification filter circuit output end power taking, described auxiliary power circuit is that described radio control circuit and wireless receiving circuit are powered, described in the signal controlling that described radio control circuit receives according to described wireless receiving circuit, pwm control circuit is power on/off.
2. a kind of remote controlled Switching Power Supply as claimed in claim 1, it is characterized in that, the output of described wireless receiving circuit is connected with signal conditioning circuit, described signal conditioning circuit is connected to described radio control circuit through STBY end, and it is power on/off that described radio control circuit controls described pwm control circuit according to the level value that STBY holds.
3. a kind of remote controlled Switching Power Supply as claimed in claim 1, it is characterized in that, described PWM controller is through the output power taking of power taking circuit from a described current rectifying and wave filtering circuit, described circuit for remotely controlling comprises optocoupler U5, the photophore of described optocoupler U5 is series at described STBY and holds between power supply ground, and the light-receiving device of described optocoupler U5 is series in the power taking circuit of described PWM controller.
4. a kind of remote controlled Switching Power Supply as claimed in claim 1, it is characterized in that, described feedback branch comprises optocoupler U3 and three end adjustable shunt reference source U6, described three end adjustable shunt reference source U6 sample from the output of described secondary current rectifying and wave filtering circuit with reference to pole, plus earth, negative electrode connects the photophore negative electrode of described optocoupler U3, the photophore anode of described optocoupler U3 is from the power taking of described secondary current rectifying and wave filtering circuit, the light-receiving device of described optocoupler U3 is arranged in pwm control circuit, thus by signal feedback to pwm control circuit.
5. a kind of remote controlled Switching Power Supply as claimed in claim 1, is characterized in that, described pwm control circuit realizes based on chip OB5269CP.
6. a kind of remote controlled Switching Power Supply as claimed in claim 1, is characterized in that, described energizing circuit is circuit of reversed excitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231014.4U CN204652248U (en) | 2015-04-17 | 2015-04-17 | A kind of remote controlled Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231014.4U CN204652248U (en) | 2015-04-17 | 2015-04-17 | A kind of remote controlled Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652248U true CN204652248U (en) | 2015-09-16 |
Family
ID=54104955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231014.4U Expired - Fee Related CN204652248U (en) | 2015-04-17 | 2015-04-17 | A kind of remote controlled Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204652248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787853A (en) * | 2017-02-17 | 2017-05-31 | 合肥惠科金扬科技有限公司 | A kind of inverse-excitation type switch power-supply |
| CN112117895A (en) * | 2020-09-15 | 2020-12-22 | 中车大连电力牵引研发中心有限公司 | Remote control circuit based on vehicle equipment power board and control method thereof |
| CN112114270A (en) * | 2020-09-15 | 2020-12-22 | 中车大连电力牵引研发中心有限公司 | Monitoring reset circuit and monitoring method based on vehicle equipment power board |
-
2015
- 2015-04-17 CN CN201520231014.4U patent/CN204652248U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787853A (en) * | 2017-02-17 | 2017-05-31 | 合肥惠科金扬科技有限公司 | A kind of inverse-excitation type switch power-supply |
| CN106787853B (en) * | 2017-02-17 | 2024-05-24 | 合肥惠科金扬科技有限公司 | Flyback switching power supply |
| CN112117895A (en) * | 2020-09-15 | 2020-12-22 | 中车大连电力牵引研发中心有限公司 | Remote control circuit based on vehicle equipment power board and control method thereof |
| CN112114270A (en) * | 2020-09-15 | 2020-12-22 | 中车大连电力牵引研发中心有限公司 | Monitoring reset circuit and monitoring method based on vehicle equipment power board |
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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 |
Granted publication date: 20150916 Termination date: 20190417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |