CN206459424U - A kind of master control/driving integrated controller applied in frequency-conversion freezer - Google Patents
A kind of master control/driving integrated controller applied in frequency-conversion freezer Download PDFInfo
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- CN206459424U CN206459424U CN201720134087.0U CN201720134087U CN206459424U CN 206459424 U CN206459424 U CN 206459424U CN 201720134087 U CN201720134087 U CN 201720134087U CN 206459424 U CN206459424 U CN 206459424U
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- changeable compressor
- door switch
- temperature sensor
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- 238000006243 chemical reaction Methods 0.000 title claims description 14
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005286 illumination Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000008447 perception Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of master control/driving integrated controller applied on refrigerator-freezer, including switching power circuit, telecommunication circuit, temperature sensor detection circuit, door switch detection and lighting lamp control circuit, frequency-changeable compressor drive circuit；The utility model can realize the temperature in accurate control refrigerator-freezer, compressor rotary speed is rapidly adapted to the change of thermic load in casing.
Description
Technical field：
The utility model is related to a kind of refrigerator-freezer controller, and in particular to one kind is particularly suitable for use in that commonly frequency refrigerator-freezer liter will be determined
Level is the controller of frequency-conversion freezer.
Background technology：
At present, with the popularization of frequency conversion refrigerator, converter technique increasingly maturing, the market of frequency-conversion freezer is also by each household electrical appliances
Enterprise is increasingly expected, now, and most of frequency-conversion freezer product is typically used along continuous band temperature controller+frequency conversion drive plate on the market
Mode realize the frequency conversion of refrigerator-freezer, i.e., the start-stop of frequency-changeable compressor is adjusted by the on off operating mode of temperature controller, by temperature control
The make-and-break time of device adjusts the running speed of compressor.By the way of temperature controller is controlled, it is impossible to indoor between real-time perception
Temperature is so as to quick regulation compressor rotary speed, and the time length that compressor rotary speed control can only be turned on by temperature controller is come predictive
Regulation, so the rotating speed of compressor match accurate not high with casing thermic load, thermic load becomes greatly or change suddenly particularly in casing
Hour, rotating speed can not be rapidly adapted to.
Utility model content：
The utility model is the weak point for avoiding above-mentioned prior art from existing, and now provides one kind and applies in frequency-conversion freezer
Master control/driving integrated controller, to which the temperature in accurate control refrigerator-freezer can be realized, compressor rotary speed is rapidly adapted to
The change of thermic load in casing.
The utility model solves technical problem and adopted the following technical scheme that：
A kind of master control/driving integrated controller applied in frequency-conversion freezer of the utility model, be with frequency-changeable compressor,
Temperature sensor, door switch and LED illumination lamp are load, are characterized in, the controller includes：Switching power circuit, master
Control partial circuit and frequency-changeable compressor drive circuit；The main control part circuit is included：MCU single-chip microcomputers, telecommunication circuit, temperature are passed
Sensor detection circuit, door switch detection and lighting lamp control circuit；
The MCU single-chip microcomputers are detected and illuminating lamp with the telecommunication circuit, temperature sensor detection circuit, door switch respectively
Circuit is controlled to be connected；
The telecommunication circuit is connected with outside display board；
Temperature sensor temperature sensor indoor between detecting circuit and being arranged on is connected；
The door switch detection and lighting lamp control circuit are connected with the door switch, and for detecting door switch output
Make-and-break signal, so as to control the light on and off of LED illumination lamp；
The frequency-changeable compressor drive circuit is connected with the frequency-changeable compressor being arranged in refrigerator-freezer；
The switching power circuit exports two-way dc source, and dc source is insulating power supply all the way, and for being outside
Display board power, dc source is non-isolated power supply all the way in addition, and for being compressed to the main control part circuit and frequency conversion
Drive circuit is powered.
The characteristics of master control described in the utility model/driving integrated controller, lies also in：
The main control part circuit and frequency-changeable compressor drive circuit share same MCU single-chip microcomputers.
Telecommunication circuit between the MCU single-chip microcomputers of the main control part circuit and the MCU single-chip microcomputers of display board for optocoupler every
From circuit.
Compared with prior art, the utility model has advantages below：
1. the utility model is adjusted by the indoor temperature between an indoor setting temperature sensor, real-time perception, quick response
Save frequency-changeable compressor rotating speed；
2. the utility model refrigerator-freezer main control part circuit shares same MCU single-chip microcomputers with frequency-changeable compressor drive circuit, drop
Low cost；
3. the utility model refrigerator-freezer main control part circuit shares same switching power circuit with frequency-changeable compressor drive circuit,
Reduce cost；
4. telecommunication circuit uses isolation circuit in the utility model main control part circuit, refrigerator-freezer local environment is typically relatively disliked
Bad, display board is loaded on refrigerator-freezer front, and user easily touches, so using isolation circuit, can effectively ensure that security.
Brief description of the drawings
Fig. 1 is the utility model circuit diagram；
Fig. 2 is frequency-conversion freezer electrical schematic diagram involved by the utility model.
Embodiment
In the present embodiment, a kind of master control/driving integrated controller applied in frequency-conversion freezer, as shown in Fig. 2 be with
Frequency-changeable compressor, temperature sensor, door switch and LED illumination lamp are load, as shown in figure 1, controller includes：Switching Power Supply
Circuit, main control part circuit and frequency-changeable compressor drive circuit；Main control part circuit is included：MCU single-chip microcomputers, telecommunication circuit, temperature
Spend sensor detection circuit, door switch detection and lighting lamp control circuit；
MCU single-chip microcomputers are detected and lighting lamp control circuit with telecommunication circuit, temperature sensor detection circuit, door switch respectively
It is connected；
Telecommunication circuit is connected with outside display board；
Temperature sensor detection circuit is that its interface is provided with temperature sensor, and is connected with degree sensor；
Door switch is detected and lighting lamp control circuit is connected with door switch, and for detecting the break-make letter of door switch output
Number, so that the break-make of the dc source of direct current 12VLED illuminating lamps is controlled, so that illumination lamp ignition or extinguishing；
For the frequency-changeable compressor being arranged in refrigerator-freezer, frequency-changeable compressor drive circuit, frequency-changeable compressor drive circuit are set
It is connected with frequency-changeable compressor；
Switching power circuit exports two-way dc source altogether, and dc source is insulating power supply all the way, and for being outside
Display board is powered, and dc source is non-isolated power supply all the way in addition, and for being driven to main control part circuit and frequency-changeable compressor
Circuit is powered.
This controller is calculated by the indoor temperature between an indoor setting temperature sensor, real-time perception using main control chip
Method, can be achieved the change quick regulation frequency-changeable compressor rotating speed by compartment temperature, be allowed to be adapted with thermic load in casing.
In specific implementation, main control part circuit and frequency-changeable compressor drive circuit share same MCU single-chip microcomputers.
Telecommunication circuit between the MCU single-chip microcomputers of main control part circuit and the MCU single-chip microcomputers of display board is carried out using optocoupler
Isolation.
Claims (3)
1. a kind of master control/driving integrated controller applied in frequency-conversion freezer, be with frequency-changeable compressor, temperature sensor,
Door switch and LED illumination lamp are load, it is characterized in that, the controller includes：Switching power circuit, main control part circuit and
Frequency-changeable compressor drive circuit；The main control part circuit is included：MCU single-chip microcomputers, telecommunication circuit, temperature sensor detection electricity
Road, door switch detection and lighting lamp control circuit；
The MCU single-chip microcomputers are detected and lighting lamp control with the telecommunication circuit, temperature sensor detection circuit, door switch respectively
Circuit is connected；
The telecommunication circuit is connected with outside display board；
Temperature sensor temperature sensor indoor between detecting circuit and being arranged on is connected；
The door switch detection and lighting lamp control circuit are connected with the door switch, and for detecting the break-make of door switch output
Signal, so as to control the light on and off of LED illumination lamp；
The frequency-changeable compressor drive circuit is connected with the frequency-changeable compressor being arranged in refrigerator-freezer；
The switching power circuit exports two-way dc source, and dc source is insulating power supply all the way, and for being the aobvious of outside
Show that plate is powered, dc source is non-isolated power supply all the way in addition, and for being driven to the main control part circuit and frequency-changeable compressor
Dynamic circuit is powered.
2. master control according to claim 1/driving integrated controller, it is characterised in that：The main control part circuit and
Frequency-changeable compressor drive circuit shares same MCU single-chip microcomputers.
3. master control according to claim 1/driving integrated controller, it is characterised in that：The main control part circuit
Telecommunication circuit between MCU single-chip microcomputers and the MCU single-chip microcomputers of display board is optical coupling isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134087.0U CN206459424U (en) | 2017-02-14 | 2017-02-14 | A kind of master control/driving integrated controller applied in frequency-conversion freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134087.0U CN206459424U (en) | 2017-02-14 | 2017-02-14 | A kind of master control/driving integrated controller applied in frequency-conversion freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459424U true CN206459424U (en) | 2017-09-01 |
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| CN201720134087.0U Active CN206459424U (en) | 2017-02-14 | 2017-02-14 | A kind of master control/driving integrated controller applied in frequency-conversion freezer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302895A (en) * | 2018-01-08 | 2018-07-20 | 合肥华凌股份有限公司 | The energy-saving control method and refrigerator of refrigerator |
| CN108870860A (en) * | 2018-07-12 | 2018-11-23 | 长虹美菱股份有限公司 | A kind of direct-cooled frequency conversion refrigerator and its method for controlling number of revolution |
| CN111156769A (en) * | 2020-03-04 | 2020-05-15 | 江苏元隆电器有限公司 | Intelligent control method of variable frequency refrigerator |
| WO2024061195A1 (en) * | 2022-09-21 | 2024-03-28 | 青岛海尔电冰箱有限公司 | Refrigerator power supply control system and refrigerator |
-
2017
- 2017-02-14 CN CN201720134087.0U patent/CN206459424U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302895A (en) * | 2018-01-08 | 2018-07-20 | 合肥华凌股份有限公司 | The energy-saving control method and refrigerator of refrigerator |
| CN108870860A (en) * | 2018-07-12 | 2018-11-23 | 长虹美菱股份有限公司 | A kind of direct-cooled frequency conversion refrigerator and its method for controlling number of revolution |
| CN111156769A (en) * | 2020-03-04 | 2020-05-15 | 江苏元隆电器有限公司 | Intelligent control method of variable frequency refrigerator |
| WO2024061195A1 (en) * | 2022-09-21 | 2024-03-28 | 青岛海尔电冰箱有限公司 | Refrigerator power supply control system and refrigerator |
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Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |