CN207910696U - A kind of air conditioner protection circuit of direct-current switch power supply power supply - Google Patents
A kind of air conditioner protection circuit of direct-current switch power supply power supply Download PDFInfo
- Publication number
- CN207910696U CN207910696U CN201820430531.8U CN201820430531U CN207910696U CN 207910696 U CN207910696 U CN 207910696U CN 201820430531 U CN201820430531 U CN 201820430531U CN 207910696 U CN207910696 U CN 207910696U
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- Prior art keywords
- power supply
- transformer
- air conditioner
- direct
- protection circuit
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- 238000012360 testing method Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 230000033228 biological regulation Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Abstract
It is disclosed by the utility model to belong to air conditioner protection circuit technical field,Specially a kind of air conditioner protection circuit of direct-current switch power supply power supply,Including voltage input end V0,It connects with the primary coil of transformer T between two groups of binding posts of the voltage input end V0,The upside of the secondary coil of the transformer T is in series with switching tube V and inductance L by conducting wire,It is parallel with fly-wheel diode Vd between two groups of binding posts of the secondary coil of the transformer T,Storage capacitor C and load Rl,The downside of the secondary coil of the transformer T is in series with test resistance Rc by conducting wire,The air conditioner protection circuit of direct-current switch power supply power supply,By the design that transformation is adjusted,The output voltage of circuit is regulated and controled,By connecting, test resistance Rc carries out sample collection to output circuit,It is used as the control basis of debugging by the result of comparison,Acquisition in real time,Regulation and control,So that output voltage is relatively stable.
Description
Technical field
The utility model is related to air conditioner protection circuit technical field, specially a kind of air-conditioning of direct-current switch power supply power supply is protected
Protection circuit.
Background technology
In electric automatization field, how to effectively reduce power consumption is a research topic to become more and more important.In air-conditioning
In industry, general air-conditioning power supply mode is the mode of AC transformer power supply, and the major drawbacks of this power supply mode are transformations
Device efficiency is low, loss is big and is unfavorable for reducing Overall Power Consumption etc..It powers compared to AC transformer, direct-current switch power supply supplier of electricity
Formula have many advantages, such as it is efficient, can provide that electric current is big and defencive function improves.Therefore, air conditioner industry has gradually started using straight
The mode of current switching power supply power supply is powered for air-conditioning.
Original direct-current switch power supply is difficult to control for the voltage stability of output end, be easy to cause output voltage shakiness
Normal use that is fixed, even influencing electrical part, for this purpose, we have proposed a kind of air-conditionings of direct-current switch power supply power supply to protect electricity
Road.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of air conditioner protection circuit of direct-current switch power supply power supply
The original direct-current switch power supply proposed in background technology is difficult to control for the voltage stability of output end, be easy to cause output
Spread of voltage even influences the problem of normal use of electrical part.
To achieve the above object, the utility model provides the following technical solutions：A kind of air-conditioning of direct-current switch power supply power supply
Protect the primary coil with transformer T between circuit, including two groups of binding posts of voltage input end V0, the voltage input end V0
Series connection, the upside of the secondary coil of the transformer T are in series with time of switching tube V and inductance L, the transformer T by conducting wire
Fly-wheel diode Vd, storage capacitor C and load Rl, the secondary of the transformer T are parallel between two groups of binding posts of grade coil
The downside of coil is in series with test resistance Rc by conducting wire, and the inductance L is between fly-wheel diode Vd, storage capacitor C, institute
It states test resistance Rc to be located between storage capacitor C, load Rl, the voltage on the load Rl is V1, on the test resistance Rc
Be in series be parallel on ammeter A, the test resistance Rc voltmeter V, the ammeter A, voltmeter V output port with
The input interfaces of MCU controllers connects, the input port that the output ports of the MCU controllers passes through data line and comparator M
Connection, the output port of the comparator M are connect by data line with the input port of MCU controllers, the MCU controllers
Output control terminal mouth is connected by the control circuit of data line servo motor, and the output end of the servo motor is with transformer T's
The number of turns regulation and control contact connection of primary coil.
Preferably, the primary coil of the transformer T is the adjustable coil of the number of turns.
Preferably, the turn ratio of the primary coil of the transformer T and secondary coil is 3：1.
Preferably, the inductance value of the inductance L ranging from 0.1-10000 μ H.
Preferably, the range of the voltmeter V is 0-100V.
Preferably, the resistance value of the test resistance Rc is 0.8 Ω -1.2 Ω.
Compared with prior art, the utility model has the beneficial effects that：The air-conditioning protection electricity of direct-current switch power supply power supply
Road regulates and controls the output voltage of circuit, by the way that the design of transformation is adjusted by the test resistance Rc that connects to output circuit
Sample collection is carried out, the control basis of debugging is used as by the result of comparison, acquisition in real time, regulation and control so that output voltage is more
Stablize.
Description of the drawings
Fig. 1 is the utility model circuit diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of air-conditioning protection electricity of direct-current switch power supply power supply
It connects with the primary coil of transformer T between road, including two groups of binding posts of voltage input end V0, the voltage input end V0,
The upside of the secondary coil of the transformer T is in series with switching tube V and inductance L, the secondary coil of the transformer T by conducting wire
Two groups of binding posts between be parallel with fly-wheel diode Vd, storage capacitor C and load Rl, the secondary coil of the transformer T
Downside is in series with test resistance Rc by conducting wire, and the inductance L is between fly-wheel diode Vd, storage capacitor C, the test
Resistance Rc is located between storage capacitor C, load Rl, and the voltage on the load Rl is V1, is in series on the test resistance Rc
Voltmeter V, the ammeter A are parallel on ammeter A, the test resistance Rc, the output port of voltmeter V is controlled with MCU
The input interface of device processed connects, and the output port of the MCU controllers is connect by data line with the input port of comparator M,
The output port of the comparator M is connect by data line with the input port of MCU controllers, the output of the MCU controllers
Control port is connected by the control circuit of data line servo motor, the primary of the output end and transformer T of the servo motor
The number of turns regulation and control contact connection of coil.
Wherein, the primary coil of the transformer T be the adjustable coil of the number of turns, the primary coil of the transformer T with time
The turn ratio of grade coil is 3：The range of the inductance value ranging from 0.1-10000 μ H, the voltmeter V of 1, the inductance L are 0-
The resistance value of 100V, the test resistance Rc are 0.8 Ω -1.2 Ω.
Operation principle：Voltage input end V0 exports 220V voltages, and transformer T is by the voltage of output according to the use of load Rl
Access the number of turns of the primary coil of transformer T is adjusted in demand, to change the primary coil and secondary coil of transformer T
Turn ratio, switching tube V be switching tube, when switching tube V be connected, input voltage by inductance L to load Rl power, with this together
When also to storage capacitor C charge, in this process, energy is stored in storage capacitor C and inductance L, when switching tube V ends,
Continued from the energy being stored in inductance L to load Rl power supplies, when output voltage will decline, the energy in storage capacitor C
To load Rl electric discharges, maintain output voltage constant, fly-wheel diode Vd is to constitute circuit loop, and carry out rectification, and exchange straightens
The measured value of stream, voltmeter V and ammeter A are transmitted to MCU controllers, and MCU controllers compare voltage, current measurement value
Be worth (r=u/i), the minimum current sampling resistor of output loop series connection resistance value of D.C. regulated power supply, ohmically voltage with it is defeated
It is directly proportional to go out electric current, is remained unchanged if being input to comparator M values, the output voltage stabilization of circuit, if being input to comparator M values
It fluctuates, then exports the output end regulation and control transformer T that DC voltage voltage value is unstable, and MCU controllers pass through servo motor
Primary coil effective turn, to change turn ratio and output voltage, by way of feedback regulation so that output voltage
It is relatively stable.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of air conditioner protection circuit of direct-current switch power supply power supply, including voltage input end V0, it is characterised in that：The voltage
It connects with the primary coil of transformer T between two groups of binding posts of input terminal V0, the upside of the secondary coil of the transformer T is logical
It crosses conducting wire and is in series with switching tube V and inductance L, afterflow two is parallel between two groups of binding posts of the secondary coil of the transformer T
Pole pipe Vd, storage capacitor C and load Rl, the downside of the secondary coil of the transformer T are in series with test resistance Rc by conducting wire,
The inductance L between fly-wheel diode Vd, storage capacitor C, the test resistance Rc be located at storage capacitor C, load Rl it
Between, the voltage on the load Rl is V1, is in series on the test resistance Rc in parallel on ammeter A, the test resistance Rc
There are the output port of voltmeter V, the ammeter A, voltmeter V to be connect with the input interface of MCU controllers, the MCU controls
The output port of device processed is connect by data line with the input port of comparator M, and the output port of the comparator M passes through data
Line is connect with the input port of MCU controllers, the control that the output control terminal mouths of the MCU controllers passes through data line servo motor
The output end of circuit connection processed, the servo motor is connect with the number of turns of the primary coil of transformer T regulation and control contact.
2. a kind of air conditioner protection circuit of direct-current switch power supply power supply according to claim 1, it is characterised in that：The change
The primary coil of depressor T is the adjustable coil of the number of turns.
3. a kind of air conditioner protection circuit of direct-current switch power supply power supply according to claim 1, it is characterised in that：The change
The primary coil of depressor T and the turn ratio of secondary coil are 3：1.
4. a kind of air conditioner protection circuit of direct-current switch power supply power supply according to claim 1, it is characterised in that：The electricity
Feel the inductance value ranging from 0.1-10000 μ H of L.
5. a kind of air conditioner protection circuit of direct-current switch power supply power supply according to claim 1, it is characterised in that：The electricity
It is 0-100V to press the range of Table V.
6. a kind of air conditioner protection circuit of direct-current switch power supply power supply according to claim 1, it is characterised in that：The survey
The resistance value for trying resistance Rc is 0.8 Ω -1.2 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430531.8U CN207910696U (en) | 2018-03-28 | 2018-03-28 | A kind of air conditioner protection circuit of direct-current switch power supply power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430531.8U CN207910696U (en) | 2018-03-28 | 2018-03-28 | A kind of air conditioner protection circuit of direct-current switch power supply power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910696U true CN207910696U (en) | 2018-09-25 |
Family
ID=63559654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820430531.8U Withdrawn - After Issue CN207910696U (en) | 2018-03-28 | 2018-03-28 | A kind of air conditioner protection circuit of direct-current switch power supply power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322068A (en) * | 2018-03-28 | 2018-07-24 | 江苏新安电器有限公司 | A kind of air conditioner protection circuit of direct-current switch power supply power supply |
-
2018
- 2018-03-28 CN CN201820430531.8U patent/CN207910696U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322068A (en) * | 2018-03-28 | 2018-07-24 | 江苏新安电器有限公司 | A kind of air conditioner protection circuit of direct-current switch power supply power supply |
| CN108322068B (en) * | 2018-03-28 | 2024-02-06 | 江苏新安电器有限公司 | Air conditioner protection circuit powered by direct-current switch power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215000 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU SIMAND ELECTRIC APPLIANCE Co.,Ltd. Address before: 215100 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU XIN AN ELECTRIC APPLIANCE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180925 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180925 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |