CN109520198A - It is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method - Google Patents
It is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method Download PDFInfo
- Publication number
- CN109520198A CN109520198A CN201811445521.2A CN201811445521A CN109520198A CN 109520198 A CN109520198 A CN 109520198A CN 201811445521 A CN201811445521 A CN 201811445521A CN 109520198 A CN109520198 A CN 109520198A
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- Prior art keywords
- fever
- temperature
- heating film
- refrigerator
- driver
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses it is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method, including heating film and fever driver, the fever driver and heating film electrical connection, the heating film are equipped with heating wire, and the heating wire is nested in the inside of the heating film；The heating film is installed on freezer door body, and the input voltage of the heating film is set as 24-36V；It further include the first temperature sensor and second temperature sensor, first temperature sensor is installed on the side on the heating film and close to the heating wire and is arranged, and the second temperature sensor is installed on the other side on the heating film and close to the heating wire and is arranged.The present invention not only makes freezer product can adapt to various severe use environments, extends the service life of refrigerator, and is avoided that on refrigerator doorframe and dew condensation phenomenon occur, in addition to this can also automatic temperature-control, reduce product energy consumption, user is safe and reliable.
Description
Technical field
The present invention relates to the technical field of freezing or refrigerating equipment more particularly to it is a kind of for refrigerator can automatic temperature-control it is anti-
Condensation device and its control method.
Background technique
Currently, the frame of commercial display cases is using a kind of heating wire that forceful electric power inputs, control mode is relatively simple, have normal open and
Compressor synchronizes two ways.It is sometimes higher that frame temperature will lead to using normal open mode, influence the gasket service life, and use
The compressor method of synchronization, under severe conditions, it may appear that inadequate problem of generating heat causes frame dew condensation phenomenon occur.This two
Kind control mode, with the continuous improvement of people's living standards, will lead to basic insulation in the heating wire of forceful electric power work and broken
It is bad, it will cause Danger Electric shock risk in the case where earthing failure.
Summary of the invention
It is an object of the invention to propose it is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method, make
Freezer product can adapt to various severe use environments, extend the service life of refrigerator, and be avoided that on refrigerator doorframe
There is dew condensation phenomenon, in addition to this can also automatic temperature-control, reduce product energy consumption, user is safe and reliable.
To achieve this purpose, the present invention adopts the following technical scheme:
It is a kind of for refrigerator can automatic temperature-control condensation-preventing device, including heating film and fever driver, fever drive
Dynamic device and heating film electrical connection, the heating film are equipped with heating wire, and the heating wire is nested in the inside of the heating film；
The heating film is installed on freezer door body, and the input voltage of the heating film is set as 24-36V；
It further include the first temperature sensor and second temperature sensor, first temperature sensor is installed on the fever
Side on film and close to the heating wire is arranged, and the second temperature sensor is installed on the heating film and close to described
The other side of heating wire is arranged.
Preferably, the side of first temperature sensor and the heating wire is passed at a distance of 10-20cm, the second temperature
The other side of sensor and the heating wire is at a distance of 10-20cm.
Preferably, the fever driver is equipped with first interface, second interface and com interface, the fever driver
First interface and first temperature sensor electrical connection, the second interface and second temperature sensing of the fever driver
Device electrical connection, com interface, first temperature sensor and the second temperature sensor of the fever driver are electrically connected
It connects.
It preferably, further include fever switch relay, the input contact sets and the fever of the fever switch relay
The triggering interface of driver is electrically connected；Output contact group, the heating film and the fever of the fever switch relay are driven
First out-put supply interface tandem of dynamic device.
Preferably, the compression mechatronics of the second out-put supply interface of the fever driver and refrigerator.
Preferably, the fever driver includes the temperature setting mould that can preset temperature upper limit and temperature upper limit value
Block.
Preferably, the output voltage of the first out-put supply interface of the fever driver is 24-36V, and the fever is driven
The output voltage of second out-put supply interface of dynamic device is 115V or 220V.
Preferably, the heating wire is serpentine curve bend pipe, and the heating wire covers the heating film.
Preferably, the surface of the freezer door body uses metal material.
Preferably, it is of the invention for refrigerator can automatic temperature-control condensation-preventing device control method, comprising the following steps:
The real time temperature that temperature detection step, first temperature sensor and the second temperature sensor will test
Value is sent to the fever driver；
Heating film switching step, when the real-time temperature values of detection are lower than preset temperature upper limit value, the fever
Driver issues driving signal, the heating film heating power to the fever switch relay；
When the real-time temperature values of detection are higher than preset temperature upper limit, the fever driver is to the fever
Switch relay issues cut-off signals, and the heating film stops fever.
Detailed description of the invention
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 is the condensation-preventing device structural schematic diagram of the one of embodiment of the present invention；
Fig. 2 is the condensation-preventing device use state diagram of the one of embodiment of the present invention；
Fig. 3 is the electric operation control circuit figure of the condensation-preventing device of the one of embodiment of the present invention.
Wherein: heating film 1；Generate heat driver 2；First temperature sensor 3；Second temperature sensor 4；Freezer door body 5；Hair
Thermal switch relay 6；Compressor 7；Heating wire 11.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
The present embodiment for refrigerator can automatic temperature-control condensation-preventing device, as shown in Figure 1 to Figure 3, including 1 He of heating film
Generate heat driver 2, and the fever driver 2 and the heating film 1 are electrically connected；
The heating film 1 is equipped with heating wire 11, and the heating wire 11 is nested in the inside of the heating film 1；
The heating film 1 is installed on freezer door body 5, and the input voltage of the heating film 1 is set as 24-36V；
It further include the first temperature sensor 3 and second temperature sensor 4, first temperature sensor 3 is installed on described
Side on heating film 1 and close to the heating wire 11 is arranged, and the second temperature sensor 4 is installed on the heating film 1
And it is arranged close to the other side of the heating wire 11.
It is described for refrigerator can the condensation-preventing device of automatic temperature-control be mounted with the first temperature sensor on the heating film 1
3 and second temperature sensor 4, the temperature conditions of the freezer door body 5 can be accurately incuded in real time, passed through the fever and driven
Device 2 controls 1 runing time of heating film, to adjust the temperature on the freezer door body 5, thus avoid the occurrence of temperature it is excessively high or
The phenomenon that condensation；The input voltage of the heating film 1 is set as 24-36V, the range of voltage values in the tolerance range of human body,
So that electrical safety higher grade, user uses more secure and safe and reliable.The present invention can not only enable freezer product
Various severe use environments are enough adapted to, the service life of refrigerator is extended, and is avoided that on the refrigerator doorframe 5 and coagulates
Reveal phenomenon, in addition to this can also reduce product energy consumption, it is safe and reliable.
The fever driver 2 is that existing control chip and peripheral circuit form, and controls the model of chip
PIC12F683 or PIC16C72A.
Preferably, as shown in Figure 1, the side of first temperature sensor 3 and the heating wire 11 is at a distance of 10-20cm,
The other side of the second temperature sensor 4 and the heating wire 11 is at a distance of 10-20cm.
The side distance and second temperature sensing of first temperature sensor 3 and the heating wire 11
The other side distance of device 4 and the heating wire 11 cannot too closely can not be too far.If distance is less than 10-20cm, away from
Too close from the heating wire 11, detection temperature is higher than actual temperature, except condensation does not just cool down completely；If distance is greater than 10-
20cm, then too far apart from the heating wire 11, detection temperature can be right to 5 over-heating of freezer door body lower than actual temperature
The freezer door body 5 damages.
Preferably, as shown in figure 3, the fever driver 2 is equipped with first interface, second interface and com interface, the hair
The first interface of hot driver 2 and first temperature sensor 3 electrical connection, the second interface of the fever driver 2 and institute
State the electrical connection of second temperature sensor 4, the fever com interface of driver 2, first temperature sensor 3 and described the
The electrical connection of two temperature sensors 4, formation temperature measure loop are conducive to sensor for temperature signal real-time delivery to the fever
Driver 2.
It preferably, as shown in figures 1 and 3, further include fever switch relay 6, the input of the fever switch relay 6
The triggering interface electrical connection of contact sets and the fever driver 2；The output contact group, described of the fever switch relay 6
First out-put supply interface tandem of heating film 1 and the fever driver 2.
The output contact group of the fever switch relay 6 is normally opened contact group, when the triggering of the fever driver 2 connects
When mouth issues driving signal to the fever switch relay 6, normally opened contact group closure, 1 heating power of heating film；Work as institute
State fever driver 2 triggering interface to the fever switch relay 6 issue cut-off signals when, normally opened contact group disconnection, institute
It states heating film 1 and stops fever.
Preferably, as shown in figure 3, the second out-put supply interface of the fever driver 2 and the compressor 7 of refrigerator are electrically connected
It connects, provides output voltage for the compressor 7.
Preferably, as shown in figure 3, the fever driver 2 includes that can preset temperature upper limit and temperature upper limit value
Temperature setting module.
The size of the fever 2 predetermined temperature upper limit value of driver and temperature upper limit value can be according to local weather
It is adjusted with use environment, so that except condensation effect is best.
When the real-time temperature values of detection are lower than preset temperature upper limit value, the fever driver 2 is to the hair
Thermal switch relay 6 issues driving signal, 1 heating power of heating film；It is preset when the real-time temperature values of detection are higher than
Temperature upper limit when, the fever driver 2 issues cut-off signals to the fever switch relay 6, and the heating film 1 stops
Only generate heat.
Preferably, as shown in figure 3, the output voltage of the first out-put supply interface of the fever driver 2 is 24-36V,
The output voltage of second out-put supply interface of the fever driver 2 is 115V or 220V.
Preferably, as shown in Fig. 2, the surface of the freezer door body 5 uses metal material, be conducive to conduct heat, make the hair
The heat that hotting mask 1 generates quickly is transferred to the whole region of the freezer door body 5, improves and removes condensation efficiency.
Preferably, as shown in figures 1 and 3, it is of the invention for refrigerator can automatic temperature-control condensation-preventing device controlling party
Method, comprising the following steps:
The real-time temperature that temperature detection step, first temperature sensor 3 and the second temperature sensor 4 will test
Angle value is sent to the fever driver 2；
Heating film switching step, when the real-time temperature values of detection are lower than preset temperature upper limit value, the fever
Driver 2 issues driving signal, 1 heating power of heating film to the fever switch relay 6；
When the real-time temperature values of detection are higher than preset temperature upper limit, the fever driver 2 is to the hair
Thermal switch relay 6 issues cut-off signals, and the heating film 1 stops fever.
This control method uses first temperature sensor 3 and the second temperature sensor 4, can accurately feel in real time
The temperature conditions of the freezer door body 5 is answered, while temperature signal is passed into the fever driver 2；The fever driver 2
Temperature can be automatically and accurately controlled, avoids the occurrence of that temperature is excessively high or condensation problem.The fever driver 2 passes through the reality received
When temperature value control the heating film 1 compared with temperature upper limit and temperature upper limit value that the fever driver 2 is arranged
Working condition, to play automatic temperature-adjusting function.It is arranged when the real-time temperature values received lower than the fever driver 2
When temperature upper limit value, the fever driver 2 will send " 1 " to the fever switch relay 6 for controlling the heating film 1
Signal, 1 heating power of heating film；When the real-time temperature values received are higher than in the temperature that the fever driver 2 is arranged
When limit value, the fever driver 2 will send " 0 " signal to the fever switch relay 6 for controlling the heating film 1,
The heating film 1 stops fever.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. it is a kind of for refrigerator can automatic temperature-control condensation-preventing device, including heating film and fever driver, the fever drive
Device and heating film electrical connection, it is characterised in that:
The heating film is equipped with heating wire, and the heating wire is nested in the inside of the heating film；
The heating film is installed on freezer door body, and the input voltage of the heating film is set as 24-36V；
It further include the first temperature sensor and second temperature sensor, first temperature sensor is installed on the heating film
And be arranged close to the side of the heating wire, the second temperature sensor is installed on the heating film and close to the fever
The other side setting of silk.
2. it is according to claim 1 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: it is described first temperature
The side of sensor and the heating wire is spent at a distance of 10-20cm, the other side of the second temperature sensor and the heating wire
At a distance of 10-20cm.
3. it is according to claim 1 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: fever drive
Dynamic device is equipped with first interface, second interface and com interface, the first interface of the fever driver and first temperature sensing
Device electrical connection, the second interface and second temperature sensor electrical connection of the fever driver, the fever driver
Com interface, first temperature sensor and second temperature sensor electrical connection.
4. it is according to claim 1 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: further include fever
Switch relay, the triggering interface electrical connection of the input contact sets of the fever switch relay and the fever driver；Institute
State the output contact group of fever switch relay, the first out-put supply interface string of the heating film and the fever driver
Connection.
5. it is according to claim 3 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: fever drive
Second out-put supply interface of dynamic device and the compression mechatronics of refrigerator.
6. it is according to claim 5 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: fever drive
Dynamic device includes the temperature setting module that can preset temperature upper limit and temperature upper limit value.
7. it is according to claim 6 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: fever drive
The output voltage of first out-put supply interface of dynamic device is 24-36V, the second out-put supply interface of the fever driver it is defeated
Voltage is 115V or 220V out.
8. it is according to claim 1 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: the heating wire
For serpentine curve bend pipe, the heating wire covers the heating film.
9. it is according to claim 1 for refrigerator can automatic temperature-control condensation-preventing device, it is characterised in that: the refrigerator door
The surface of body uses metal material.
10. according to claim 1 to described in 9 any one be used for refrigerator can automatic temperature-control condensation-preventing device controlling party
Method, which comprises the following steps:
The real-time temperature values hair that temperature detection step, first temperature sensor and the second temperature sensor will test
It send to the fever driver；
Heating film switching step, when the real-time temperature values of detection are lower than preset temperature upper limit value, the fever driving
Device issues driving signal, the heating film heating power to the fever switch relay；
When the real-time temperature values of detection are higher than preset temperature upper limit, the fever driver is switched to the fever
Relay issues cut-off signals, and the heating film stops fever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811445521.2A CN109520198A (en) | 2018-11-29 | 2018-11-29 | It is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811445521.2A CN109520198A (en) | 2018-11-29 | 2018-11-29 | It is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109520198A true CN109520198A (en) | 2019-03-26 |
Family
ID=65794589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811445521.2A Pending CN109520198A (en) | 2018-11-29 | 2018-11-29 | It is a kind of for refrigerator can automatic temperature-control condensation-preventing device and its control method |
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| CN (1) | CN109520198A (en) |
Citations (6)
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|---|---|---|---|---|
| CN201266123Y (en) * | 2008-08-19 | 2009-07-01 | 海尔集团公司 | Lattice type temperature collection device |
| JP2013164901A (en) * | 2012-02-09 | 2013-08-22 | Kawaden:Kk | Dew condensation prevention heater |
| CN103557653A (en) * | 2013-11-13 | 2014-02-05 | 安徽康佳同创电器有限公司 | Method, device, subsystem and system for preventing condensation |
| CN104026906A (en) * | 2014-06-12 | 2014-09-10 | 浙江捷盛制冷科技有限公司 | Anti-condensation refrigerating display cabinet |
| CN206410409U (en) * | 2017-01-04 | 2017-08-15 | 合肥华凌股份有限公司 | Refrigeration plant |
| CN209181372U (en) * | 2018-11-29 | 2019-07-30 | 广东星星制冷设备有限公司 | It is a kind of for refrigerator can automatic temperature-control condensation-preventing device |
-
2018
- 2018-11-29 CN CN201811445521.2A patent/CN109520198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266123Y (en) * | 2008-08-19 | 2009-07-01 | 海尔集团公司 | Lattice type temperature collection device |
| JP2013164901A (en) * | 2012-02-09 | 2013-08-22 | Kawaden:Kk | Dew condensation prevention heater |
| CN103557653A (en) * | 2013-11-13 | 2014-02-05 | 安徽康佳同创电器有限公司 | Method, device, subsystem and system for preventing condensation |
| CN104026906A (en) * | 2014-06-12 | 2014-09-10 | 浙江捷盛制冷科技有限公司 | Anti-condensation refrigerating display cabinet |
| CN206410409U (en) * | 2017-01-04 | 2017-08-15 | 合肥华凌股份有限公司 | Refrigeration plant |
| CN209181372U (en) * | 2018-11-29 | 2019-07-30 | 广东星星制冷设备有限公司 | It is a kind of for refrigerator can automatic temperature-control condensation-preventing device |
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| 谌清平等: "《东芝单片机原理及其在家用电器中的应用》", 北京航空航天大学出版社, pages: 204 - 205 * |
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