CN110401360A - A kind of output system of passive signal - Google Patents
A kind of output system of passive signal Download PDFInfo
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- CN110401360A CN110401360A CN201910746663.0A CN201910746663A CN110401360A CN 110401360 A CN110401360 A CN 110401360A CN 201910746663 A CN201910746663 A CN 201910746663A CN 110401360 A CN110401360 A CN 110401360A
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 104
- 230000005669 field effect Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 description 8
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/062—Avoiding or suppressing excessive transient voltages or currents
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The output system that the present invention provides a kind of passive signal includes rectification module, the first filter circuit, Voltage stabilizing module, the second filter circuit；The input terminal and voltage input end of the rectification module are electrically connected, the input terminal of the output end of the rectification module and first filter circuit is electrically connected, the output end of first filter circuit and the input terminal of the Voltage stabilizing module are electrically connected, the input terminal of the output end of the Voltage stabilizing module and second filter circuit is electrically connected, the output end of second filter circuit is connected with relay, alternating voltage, which first passes around rectification module, becomes DC power supply, enter Voltage stabilizing module after filtering out high-frequency noise by the first filter module again, Voltage stabilizing module output steady dc voltage further passes through the second filter circuit filtering clutter, last cut-in relay, relay controls output voltage according to the voltage signal of input, improve the stability of out-put supply.
Description
Technical field
The present invention relates to ground service safeguards technique fields, and in particular to a kind of output system of passive signal.
Background technique
Airplane service ground well is mainly used to provide maintenance service to the various aircrafts in hangar or on airplane parking area.At present
The control system of existing airplane service ground well generally uses button switch, relay assembly, and the prior art is generally basede on voltage and turns
Parallel operation or transformer, which are converted to the power supply of output, needs voltage, is generally converted into the control system that 36V and 27V access needs again
System is thus be easy to cause since the unstable of the input voltage of control system leads to control system job insecurity, and
It is easy to cause relay damaged.
Summary of the invention
It is an object of the invention to overcome in the prior art, a kind of output system of passive signal is provided, is improved
Output stability.
The purpose of the present invention is achieved through the following technical solutions: a kind of output system of passive signal, including whole
Flow module, the first filter circuit, Voltage stabilizing module, the second filter circuit；
The input terminal of the rectification module and voltage input end are electrically connected, the output end of the rectification module and described the
The input terminal of one filter circuit is electrically connected, and the output end of first filter circuit and the input terminal of the Voltage stabilizing module are electrical
The input terminal of connection, the output end of the Voltage stabilizing module and second filter circuit is electrically connected, second filter circuit
Output end be connected with relay.
By above-mentioned technological means, alternating voltage, which first passes around rectification module, becomes DC power supply, then passes through the first filtering
Module enters Voltage stabilizing module after filtering out high-frequency noise, and Voltage stabilizing module output steady dc voltage further passes through described second
Filter circuit filtering clutter, last cut-in relay, relay control output voltage, circuit structure according to the voltage signal of input
Simply, stability is high.
Preferably, the rectification circuit includes first diode, the second diode, third diode and the 4th diode；
The cathode of the first diode is connect with the cathode of second diode, second diode anode with
The cathode of the third diode connects, and the anode of the third diode is connect with the anode of the 4th diode, described
The cathode of 4th diode is connect with the anode of the first diode；
The anode of the first diode is connect with the anode of the equal and input voltage of the 4th diode, and described second
The anode of diode is connect with the cathode of input voltage with the cathode of the third diode.
By above-mentioned technological means, bridge rectifier is formed by four diodes and is realized entirely by simple circuit structure
Wave rectification.
Preferably, first filter circuit includes the 6th electrolytic capacitor, first capacitor, the second capacitor, third capacitor；
The anode of 6th electrolytic capacitor is connect with the cathode of second diode, and the 6th electrolytic capacitor is born
Pole is connect with the anode of the third diode, and the 6th electrolytic capacitor is in parallel with the first capacitor, the first capacitor,
Second capacitor, third capacitor are parallel with one another.
Preferably, the Voltage stabilizing module includes LM2576 three-terminal regulator chip, the first pin of the LM2576 with it is described
The anode connection of 6th electrolytic capacitor, the 6th pin of the LM2576 is connect with the cathode of the 6th electrolytic capacitor, described
First capacitor is also connected between the first pin and second pin of LM2576；
It is also connected with second resistance between the second pin and third pin of the LM2576, the 4th of the LM2576 draws
The 5th resistance is also connected between foot and the 5th pin.
By above-mentioned technological means, LM2576 has reliable working performance, higher working efficiency and stronger output
Current driving ability, so as to provide reliable and stable power supply for power-supply system.
Preferably, the second filter circuit includes the 7th electrolytic capacitor, 3rd resistor, the 5th capacitor, the 7th electrolysis electricity
The anode of appearance is connect with the third pin of the LM2576, the cathode of the 7th electrolytic capacitor and one end of the 3rd resistor
Connection, the positive of the other end of the third capacitor and the 7th electrolytic capacitor connect, the 7th electrolytic capacitor with it is described
5th capacitor is in parallel；
Second filter circuit further includes the 9th electrolytic capacitor, the 4th capacitor, the 6th resistance, the 9th electrolytic capacitor
Anode connect with the 4th pin of the LM2576, the 6th pin of the cathode of the 9th electrolytic capacitor and the LM2576
Connection, the 9th electrolytic capacitor and the 4th capacitor, the 6th resistance are parallel with one another.
It preferably, further include the 8th electrolytic capacitor and the 4th resistance, the anode of the 8th electrolytic capacitor passes through described the
Four resistance are connect with the cathode of the 7th electrolytic capacitor, and the both ends of the 8th electrolytic capacitor are also parallel with the 6th capacitor.
It preferably, further include the 6th light emitting diode, the anode of the 6th light emitting diode and the 7th electrolysis electricity
The cathode of appearance connects, and the cathode of the 6th light emitting diode is connect with described relay one end, the relay other end and
The cathode of 9th electrolytic capacitor connects.
Preferably, the relay both ends also reverse parallel connection has the 5th diode.
By above-mentioned technological means, the 5th diode in parallel is mutated for preventing switch-off instant inductive current from generating,
To protect circuit.
Preferably, the input terminal of the rectification module is also connected with overvoltage crowbar.
Preferably, the overvoltage crowbar includes triode, field-effect tube, the 7th resistance, the 8th resistance, the seven or two pole
Pipe；
The emitter of the triode is connect with the pole S of the field-effect tube, the collector of the triode and the field
The pole G of effect pipe connects, and the base stage of the triode is connect with one end of the 8th resistance, the other end of the 8th resistance
It is connect with one end of the 7th resistance, another termination positive pole of the 7th resistance, the 7th resistance is far from described
One end of transistor emitter is connect with the cathode of the 7th diode, and the anode of the 7th diode connects power cathode；
The 8th diode, the anode of the 8th diode and institute are also in series between the pole S and the pole D of the field-effect tube
The pole the D connection of field-effect tube is stated, the cathode of the 8th diode is connect with the pole S of the field-effect tube, the field-effect tube
The pole G and the 7th diode between be also in series with the tenth resistance, the pole G of the field-effect tube and the 7th diode
Anode between be also in series with the 9th resistance.
The beneficial effects of the present invention are:
1. the present invention includes rectification module, the first filter circuit, Voltage stabilizing module, the second filter circuit；Rectification module it is defeated
Entering end and voltage input end is electrically connected, the input terminal of the output end of rectification module and the first filter circuit is electrically connected, and first
The output end of filter circuit and the input terminal of Voltage stabilizing module are electrically connected, and the output end of Voltage stabilizing module is defeated with the second filter circuit
Enter end to be electrically connected, the output end of the second filter circuit is connected with relay, and alternating voltage, which first passes around rectification module, becomes straight
Galvanic electricity source, then enter Voltage stabilizing module after filtering out high-frequency noise by the first filter module, Voltage stabilizing module exports stable DC
Pressure is further by the second filter circuit filtering clutter, last cut-in relay, and relay is according to the voltage signal control of input
Output voltage processed, circuit structure is simple, stability is high；
2. Voltage stabilizing module of the invention includes LM2576 three-terminal regulator chip, the first pin of LM2576 and the 6th electrolysis electricity
The anode connection of appearance, the 6th pin of LM2576 are connect with the cathode of the 6th electrolytic capacitor, the first pin of LM2576 and second
First capacitor is also connected between pin；It is also connected with second resistance between the second pin and third pin of LM2576,
The 5th resistance is also connected between the 4th pin of LM2576 and the 5th pin.By above-mentioned technological means, LM2576 has can
The working performance leaned on, higher working efficiency and stronger output current driving ability, provide reliable and stable for power-supply system
Power supply.
Detailed description of the invention
Fig. 1 is circuit structure schematic diagram of the present invention；
Fig. 2 is the use of the new type one embodiment integrated circuit structure chart；
Fig. 3 is present invention protection circuit structure diagram.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
Below.
Embodiment 1
As shown in Figure 1, a kind of output system of passive signal, including rectification module, the first filter circuit, Voltage stabilizing module,
Second filter circuit；
Input terminal and the voltage input end electric connection of rectification module, the output end of rectification module and the first filter circuit
Input terminal is electrically connected, and the output end of the first filter circuit and the input terminal of Voltage stabilizing module are electrically connected, the output of Voltage stabilizing module
End and the input terminal of the second filter circuit are electrically connected, and the output end of the second filter circuit is connected with relay.Alternating voltage is first
First passing through rectification module becomes DC power supply, then enters Voltage stabilizing module, pressure stabilizing after filtering out high-frequency noise by the first filter module
Module output steady dc voltage further passes through the second filter circuit filtering clutter, last cut-in relay, relay
Output voltage is controlled according to the voltage signal of input, circuit structure is simple, stability is high.
When it is implemented, as shown in Figure 1, rectification circuit includes first diode, the second diode, third diode and
Four diodes；The cathode of first diode is connect with the cathode of the second diode, anode and the third diode of the second diode
Cathode connection, the anode of third diode connect with the positive of the 4th diode, the cathode of the 4th diode and the one or two pole
The anode connection of pipe；The anode of first diode is connect with the anode of the equal and input voltage of the 4th diode, the second diode
Anode connect with the cathode of input voltage with the cathode of third diode.Bridge rectifier is formed by four diodes
Full-wave rectification is realized by simple circuit structure.
First filter circuit includes the 6th electrolytic capacitor, first capacitor, the second capacitor, third capacitor；
The anode of 6th electrolytic capacitor is connect with the cathode of the second diode, the cathode of the 6th electrolytic capacitor and the three or two pole
The anode connection of pipe, the 6th electrolytic capacitor is in parallel with first capacitor, and first capacitor, the second capacitor, third capacitor are parallel with one another.Surely
Die block includes LM2576 three-terminal regulator chip, and the first pin of LM2576 is connect with the anode of the 6th electrolytic capacitor, LM2576
The 6th pin connect with the cathode of the 6th electrolytic capacitor, be also connected with first between the first pin and second pin of LM2576
Capacitor；Second resistance is also connected between the second pin and third pin of LM2576, the 4th pin of LM2576 draws with the 5th
The 5th resistance is also connected between foot.LM2576 has reliable working performance, higher working efficiency and stronger output electricity
Driving capability is flowed, so as to provide reliable and stable power supply for power-supply system.
Second filter circuit include the 7th electrolytic capacitor, 3rd resistor, the 5th capacitor, the 7th electrolytic capacitor anode with
The third pin of LM2576 connects, and the cathode of the 7th electrolytic capacitor and one end of 3rd resistor connect, the other end of third capacitor
It is connect with the anode of the 7th electrolytic capacitor, the 7th electrolytic capacitor is in parallel with the 5th capacitor；Second filter circuit further includes the 9th electricity
Capacitor, the 4th capacitor, the 6th resistance are solved, the anode of the 9th electrolytic capacitor is connect with the 4th pin of LM2576, the 9th electrolysis electricity
The cathode of appearance and the 6th pin of LM2576 connect, and the 9th electrolytic capacitor and the 4th capacitor, the 6th resistance are parallel with one another.
It further include the 8th electrolytic capacitor and the 4th resistance, the anode of the 8th electrolytic capacitor passes through the 4th resistance and the 7th electrolysis
The cathode of capacitor connects, and the both ends of the 8th electrolytic capacitor are also parallel with the 6th capacitor.It further include the 6th light emitting diode, the 6th hair
The anode of optical diode is connect with the cathode of the 7th electrolytic capacitor, and the cathode of the 6th light emitting diode is connect with relay one end,
The relay other end is connect with the cathode of the 9th electrolytic capacitor.
Relay both ends also reverse parallel connection has the 5th diode.5th diode in parallel is for preventing switch-off instant electric
Inducing current generates mutation, to protect circuit.
The input terminal of rectification module is also connected with overvoltage crowbar, overvoltage crowbar include triode, field-effect tube,
7th resistance, the 8th resistance, the 7th diode；The emitter of triode and the pole S of field-effect tube connect, the collector of triode
It is connect with the pole G of field-effect tube, the base stage of triode is connect with one end of the 8th resistance, the other end of the 8th resistance and the 7th electricity
One end of resistance connects, another termination positive pole of the 7th resistance, the one end and the 7th of the 7th resistance far from transistor emitter
The cathode of diode connects, and the anode of the 7th diode connects power cathode；
The 8th diode, anode and the field-effect tube of the 8th diode are also in series between the pole S and the pole D of field-effect tube
The connection of the pole D, the cathode of the 8th diode and the pole S of field-effect tube connect, and also go here and there between the pole G and the 7th diode of field-effect tube
It is associated with the tenth resistance, is also in series with the 9th resistance between the pole G of field-effect tube and the anode of the 7th diode.
When it is implemented, as shown in figure 3, select the 7th diode of corresponding pressure stabilizing value so as to protect voltage be 36V as an example,
When input voltage VI is lower than 36V, the 7th diode does not puncture in off state, and therefore, triode is because of base stage and penetrates
It extremely is in off state with current potential, field-effect tube meets because the 9th resistance of resistance and the tenth resistance divide input voltage VI
Gate-source cut-in voltage VGS and be connected；
And when input voltage VI is greater than 36V, the 7th diode makes cathode stabilization in 36V, three poles because reversed breakdown
The base of pipe-radio pressure is begun to turn on if being greater than threshold voltage, is equivalent to and is shorted the grid grade G of field-effect tube and source S, after
And field-effect tube is caused to be ended, output voltage VO does not export, and thereby protects circuit system.
Implementation principle of the invention: input voltage accesses positive alternating current in the anode of the second diode of bridge rectifier first
Negative alternating current is accessed in the cathode of the third diode of the bridge rectifier in source, and alternating current becomes after bridge rectifier
Enter LM2576 for direct current, then after filtering out high-frequency noise by the first filter module, the periphery of LM2576 is provided with the second filter
Wave circuit, cut-in relay after the second filter circuit filtering clutter.
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to shape described herein
Formula should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be herein
In contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And what those skilled in the art were carried out changes
Dynamic and variation does not depart from the spirit and scope of the present invention, then all should be within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of output system of passive signal, which is characterized in that including rectification module, the first filter circuit, Voltage stabilizing module,
Two filter circuits；
The input terminal and voltage input end of the rectification module are electrically connected, the output end of the rectification module and first filter
The input terminal of wave circuit is electrically connected, and the output end of first filter circuit electrically connects with the input terminal of the Voltage stabilizing module
It connects, the input terminal of the output end of the Voltage stabilizing module and second filter circuit is electrically connected, second filter circuit
Output end is connected with relay.
2. a kind of output system of passive signal according to claim 1, which is characterized in that
The rectification circuit includes first diode, the second diode, third diode and the 4th diode；
The cathode of the first diode is connect with the cathode of second diode, second diode anode with it is described
The cathode of third diode connects, and the anode of the third diode is connect with the anode of the 4th diode, and the described 4th
The cathode of diode is connect with the anode of the first diode；
The anode of the first diode is connect with the anode of the equal and input voltage of the 4th diode, the two or two pole
The anode of pipe is connect with the cathode of input voltage with the cathode of the third diode.
3. a kind of output system of passive signal according to claim 2, which is characterized in that the first filter circuit packet
Include the 6th electrolytic capacitor, first capacitor, the second capacitor, third capacitor；
6th electrolytic capacitor anode connect with the cathode of second diode, the cathode of the 6th electrolytic capacitor and
The anode connection of the third diode, the 6th electrolytic capacitor is in parallel with the first capacitor, the first capacitor, second
Capacitor, third capacitor are parallel with one another.
4. a kind of output system of passive signal according to claim 3, which is characterized in that the Voltage stabilizing module includes
LM2576 three-terminal regulator chip, the first pin of the LM2576 is connect with the anode of the 6th electrolytic capacitor, described
The 6th pin of LM2576 is connect with the cathode of the 6th electrolytic capacitor, the first pin of the LM2576 and second pin it
Between be also connected with first capacitor；
Be also connected with second resistance between the second pin and third pin of the LM2576, the 4th pin of the LM2576 with
The 5th resistance is also connected between 5th pin.
5. a kind of output system of passive signal according to claim 4, which is characterized in that
Second filter circuit includes the 7th electrolytic capacitor, 3rd resistor, the 5th capacitor, the anode of the 7th electrolytic capacitor and institute
The third pin connection of LM2576 is stated, the cathode of the 7th electrolytic capacitor connect with one end of the 3rd resistor, and described the
The other end of three capacitors is connect with the anode of the 7th electrolytic capacitor, and the 7th electrolytic capacitor and the 5th capacitor are simultaneously
Connection；
Second filter circuit further includes the 9th electrolytic capacitor, the 4th capacitor, the 6th resistance, and the 9th electrolytic capacitor is just
Pole is connect with the 4th pin of the LM2576, and the cathode of the 9th electrolytic capacitor and the 6th pin of the LM2576 connect
It connects, the 9th electrolytic capacitor and the 4th capacitor, the 6th resistance are parallel with one another.
6. a kind of output system of passive signal according to claim 5, which is characterized in that further include the 8th electrolytic capacitor
Connected with the anode of the 4th resistance, the 8th electrolytic capacitor by the cathode of the 4th resistance and the 7th electrolytic capacitor
It connects, the both ends of the 8th electrolytic capacitor are also parallel with the 6th capacitor.
7. a kind of output system of passive signal according to claim 6, which is characterized in that further include the 6th light-emitting diodes
The anode of pipe, the 6th light emitting diode is connect with the cathode of the 7th electrolytic capacitor, the 6th light emitting diode
Cathode is connect with described relay one end, and the relay other end is connect with the cathode of the 9th electrolytic capacitor.
8. a kind of output system of passive signal according to claim 1, which is characterized in that the relay both ends are also anti-
To being parallel with the 5th diode.
9. a kind of output system of passive signal according to claim 1, which is characterized in that the input of the rectification module
End is also connected with overvoltage crowbar.
10. a kind of output system of passive signal according to claim 9, which is characterized in that the overvoltage crowbar
Including triode, field-effect tube, the 7th resistance, the 8th resistance, the 7th diode；
The emitter of the triode is connect with the pole S of the field-effect tube, the collector of the triode and the field-effect
The pole G of pipe connects, and the base stage of the triode is connect with one end of the 8th resistance, the other end of the 8th resistance and institute
One end connection of the 7th resistance is stated, another termination positive pole of the 7th resistance, the 7th resistance is far from three pole
One end of pipe emitter is connect with the cathode of the 7th diode, and the anode of the 7th diode connects power cathode；
The 8th diode, anode and the field of the 8th diode are also in series between the pole S and the pole D of the field-effect tube
The pole D of effect pipe connects, and the cathode of the 8th diode is connect with the pole S of the field-effect tube, the pole G of the field-effect tube
The tenth resistance, the anode of the pole G of the field-effect tube and the 7th diode are also in series between the 7th diode
Between be also in series with the 9th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746663.0A CN110401360A (en) | 2019-08-14 | 2019-08-14 | A kind of output system of passive signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746663.0A CN110401360A (en) | 2019-08-14 | 2019-08-14 | A kind of output system of passive signal |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203607819U (en) * | 2013-11-26 | 2014-05-21 | 成都理想科技开发有限公司 | Power supply overvoltage protection circuit of alarm system |
| CN204118791U (en) * | 2014-08-29 | 2015-01-21 | 天宇通讯科技(昆山)有限公司 | The control protection electric circuit of portable power source |
| WO2015027592A1 (en) * | 2013-08-26 | 2015-03-05 | 浙江正泰电器股份有限公司 | Time relay used for metal halide lamp loads |
| CN204392103U (en) * | 2015-02-03 | 2015-06-10 | 江建明 | A kind of power circuit for switch |
| CN206575206U (en) * | 2017-03-16 | 2017-10-20 | 佛山远捷电源设备有限公司 | A kind of charger circuit structure |
| CN207612045U (en) * | 2017-08-18 | 2018-07-13 | 上海芯导电子科技有限公司 | A kind of protection chip |
| CN207802470U (en) * | 2018-02-05 | 2018-08-31 | 佛山德仁照明科技有限公司 | A kind of LED power |
| CN210608942U (en) * | 2019-08-14 | 2020-05-22 | 成都克伏特航空设备有限公司 | Output system of passive signal |
-
2019
- 2019-08-14 CN CN201910746663.0A patent/CN110401360A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015027592A1 (en) * | 2013-08-26 | 2015-03-05 | 浙江正泰电器股份有限公司 | Time relay used for metal halide lamp loads |
| CN203607819U (en) * | 2013-11-26 | 2014-05-21 | 成都理想科技开发有限公司 | Power supply overvoltage protection circuit of alarm system |
| CN204118791U (en) * | 2014-08-29 | 2015-01-21 | 天宇通讯科技(昆山)有限公司 | The control protection electric circuit of portable power source |
| CN204392103U (en) * | 2015-02-03 | 2015-06-10 | 江建明 | A kind of power circuit for switch |
| CN206575206U (en) * | 2017-03-16 | 2017-10-20 | 佛山远捷电源设备有限公司 | A kind of charger circuit structure |
| CN207612045U (en) * | 2017-08-18 | 2018-07-13 | 上海芯导电子科技有限公司 | A kind of protection chip |
| CN207802470U (en) * | 2018-02-05 | 2018-08-31 | 佛山德仁照明科技有限公司 | A kind of LED power |
| CN210608942U (en) * | 2019-08-14 | 2020-05-22 | 成都克伏特航空设备有限公司 | Output system of passive signal |
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