CN104422233A - Air flow type intelligent cold storage defrosting method and device - Google Patents
Air flow type intelligent cold storage defrosting method and device Download PDFInfo
- Publication number
- CN104422233A CN104422233A CN201310399636.3A CN201310399636A CN104422233A CN 104422233 A CN104422233 A CN 104422233A CN 201310399636 A CN201310399636 A CN 201310399636A CN 104422233 A CN104422233 A CN 104422233A
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- China
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- defrosting
- flow switch
- air flow
- wind flow
- heat exchanger
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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
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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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)
- Defrosting Systems (AREA)
Abstract
An air flow type intelligent cold storage defrosting method and device is characterized in that an air flow switch, a signal line and a controller are added to a conventional cold storage defrosting system, the frosting state is judged automatically by testing the air flow the a fin heat exchanger, and automatic defrosting or defrosting stopping is achieved; when an air cooler starts refrigerating, the temperature of the a cold storage starts dropping, air passes the fin heat exchanger and the air flow switch, air flow switch contacts are connected when air flow exceeds the set value of the air flow switch, a controller defrosting signal is disconnected automatically, and the cold storage is in a frosting state; when the fin heat exchange frosts to a certain degree, the air flow passing the fin heat exchanger reduces gradually, the air flow switch contacts are disconnected when the air flow is smaller than the air flow switch set value, a defrosting signal is input to the controller through the signal line, the controller defrosting signal is connected automatically, the cold storage enters a defrosting state automatically, defrosting stops automatically when the temperature of the fin heat exchanger reaches to a defrosting quitting set value, and a defrosting operation process is completed. By the method and device, defrosting time can be shortened greatly, defrosting power consumption is reduced, and good energy conservation, emission reduction, low carbon and environmental protection effect is achieved.
Description
Technical field
The present invention relates to a kind of freezer defrosting method and device, especially wind flow formula intelligence freezer defrosting method and device, belong to changes in temperature mechanical equipment technical field.
Background technology
The Cold Chain Logistics market of China is faced with fast-developing historic opportunities and challenge.At present, the commercial freezer area of China has more than 700 ten thousand square metres, and thermal car about 30,000, refrigerated railway car 6900, also can not meet growing demand far away.In coming 10 years, the refrigerator car of China is every year by growth by more than 28%, and freezer increases by more than 30% every year.Along with the development of China's economic, from cold drink, meat products, vegetable and fruit to fresh flower, medicine, electronic product, make many people still feel strange " cold chain transportation " and penetrate into different social sectors, therefore freezer demand grows with each passing day, but the energy-conserving and environment-protective of freezer are still troubling, and especially quality is uneven.Wherein the defrost energy consumption of freezer is especially unreasonable, during current freezer runs defrost be substantially temperature with timing in conjunction with defrost, namely once defrost periods setting-up time has arrived, with regard to defrost, temperature is raised to exit design temperature or defrost time is up and just exits, and cause the defrost time longer, power consumption is larger.Some state there will be the situation not having white defrost, causes energy consumption to be wasted.
Summary of the invention
In order to solve that the current freezer defrost time is long, power consumption large and the problem such as weak effect, the present invention has invented a kind of wind flow formula intelligence freezer defrosting method and device, namely wind flow switch, holding wire and controller is added at former refrigeration storage system, automatic decision frosting state is carried out by the air quantity testing finned heat exchanger, the combination of automatic airflow regulation amount switch and disconnection, be supplied to controller by holding wire, realize intelligent defrost operation.Can greatly shorten the defrost time like this, reduce defrost power consumption, there is good energy-saving and emission-reduction and low-carbon environment-friendly effect.
technical scheme
The present invention solves the technical scheme that its technical problem takes: a kind of wind flow formula intelligence freezer defrosting method and device, be made up of air-cooler, wind flow switch, holding wire, controller, blower fan, connecting terminal block, defrost heater strip, cold-producing medium feed tube, cold-producing medium muffler and finned heat exchanger.Before finned heat exchanger, be connected to wind flow switch, wind flow switch is connected to controller by holding wire.
Its intelligent defrosting method is: after air-cooler starts refrigeration, and freezer starts cooling, and wind passes through from finned heat exchanger and wind flow switch, when air quantity exceedes wind flow switch setting value, wind flow switch contact combines, and automatic breaking controller defrost signal, is in not defrost state.When finned heat exchanger frosting to a certain extent time, just reduced gradually by the air quantity of finned heat exchanger, when air quantity is less than wind flow switch setting value, wind flow switch contact disconnects, and now inputs defrost signal by holding wire to controller, automatically controller defrost signal is opened, automatically enter defrost state, when finned heat exchanger temperature reach defrost exit setting value time, air quantity exceedes wind flow switch setting value, automatic stopping defrost, completes a defrost work cycle process.
beneficial effect
The invention has the beneficial effects as follows: the method and device can be widely used on freezer equipment, substitute the existing defrosting method of timing or constant temperature, this device can reach white defrost, the frostless Based Intelligent Control effect do not changed, thus solve power wastage, the storehouse temperature fluctuation unreasonable problem such as large that existing freezer timing defrost causes, thus achieve energy-saving and the intellectuality of freezer operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the present invention is further described.
Accompanying drawing 1 is the main TV structure schematic diagram of example of wind flow formula intelligence freezer defrosting device.
Accompanying drawing 2 is the example plan structure schematic diagram of wind flow formula intelligence freezer defrosting device.
Accompanying drawing 3 is the example side-looking structural representation of wind flow formula intelligence freezer defrosting device.
In figure, 1, air-cooler; 2, wind flow switch; 3, holding wire; 4, controller; 5, blower fan; 6, connecting terminal block; 7, defrost heater strip; 8, cold-producing medium feed tube; 9, cold-producing medium muffler; 10, finned heat exchanger.
Detailed description of the invention
In accompanying drawing 1,2,3: a kind of wind flow formula intelligence freezer defrosting method and device, the primary structure of this machine is made up of air-cooler (1), wind flow switch (2), holding wire (3), controller (4), blower fan (5), connecting terminal block (6), defrost heater strip (7), cold-producing medium feed tube (8), cold-producing medium muffler (9) and finned heat exchanger (10).It is characterized in that: a kind of wind flow formula intelligence freezer defrosting method and device, the freezer defrosting system of routine is installed at finned heat exchanger (10) is front is connected to wind flow switch (2), and wind flow switch (2) is connected to controller (4) by holding wire (3).
Carry out automatic decision frosting state by the air quantity testing finned heat exchanger, airflow value can carry out setup parameter according to different air-cooler Tube Sheet of Heat Exchanger row, frosting state and spacing of fin.
After air-cooler starts refrigeration, freezer starts cooling, and wind passes through from finned heat exchanger and wind flow switch, and when air quantity exceedes wind flow switch setting value, wind flow switch contact combines, and automatic breaking controller defrost signal, is in not defrost state.When finned heat exchanger frosting to a certain extent time, just reduced gradually by the air quantity of finned heat exchanger, when air quantity is less than wind flow switch setting value, wind flow switch contact disconnects, and now inputs defrost signal by holding wire to controller, automatically controller defrost signal is opened, automatically enter defrost state, when finned heat exchanger temperature reach defrost exit setting value time, air quantity exceedes wind flow switch setting value, automatic stopping defrost, completes a defrost work cycle process.
Claims (4)
1. wind flow formula intelligence freezer defrosting method and a device, be made up of air-cooler (1), wind flow switch (2), holding wire (3), controller (4), blower fan (5), connecting terminal block (6), defrost heater strip (7), cold-producing medium feed tube (8), cold-producing medium muffler (9) and finned heat exchanger (10).
2. a kind of wind flow formula intelligence freezer defrosting method belonging to claims and device is characterized in that: be connected to wind flow switch (2) finned heat exchanger (10) is front, wind flow switch (2) is connected to controller (4) by holding wire (3).
3. a kind of wind flow formula intelligence freezer defrosting method belonging to claims and device, its intelligent defrosting method is: after air-cooler starts refrigeration, freezer starts cooling, wind passes through from finned heat exchanger and wind flow switch, when air quantity exceedes wind flow switch setting value, wind flow switch contact combines, and automatic breaking controller defrost signal, is in not defrost state.
4. when finned heat exchanger frosting to a certain extent time, just reduced gradually by the air quantity of finned heat exchanger, when air quantity is less than wind flow switch setting value, wind flow switch contact disconnects, and now inputs defrost signal by holding wire to controller, automatically controller defrost signal is opened, automatically enter defrost state, when finned heat exchanger temperature reach defrost exit setting value time, air quantity exceedes wind flow switch setting value, automatic stopping defrost, completes a defrost work cycle process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399636.3A CN104422233A (en) | 2013-09-05 | 2013-09-05 | Air flow type intelligent cold storage defrosting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399636.3A CN104422233A (en) | 2013-09-05 | 2013-09-05 | Air flow type intelligent cold storage defrosting method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104422233A true CN104422233A (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310399636.3A Pending CN104422233A (en) | 2013-09-05 | 2013-09-05 | Air flow type intelligent cold storage defrosting method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104422233A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972886A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Automatic induction electric heating defrosting device of air cooler |
| CN105972888A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Auto-induction electric heating defrosting air cooler |
| CN112556291A (en) * | 2020-12-29 | 2021-03-26 | 珠海格力电器股份有限公司 | Defrosting control method of air-cooled refrigerator and air-cooled refrigerator |
| CN112627874A (en) * | 2020-12-16 | 2021-04-09 | 中铁十五局集团有限公司 | Ventilation unit for highway tunnel |
-
2013
- 2013-09-05 CN CN201310399636.3A patent/CN104422233A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972886A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Automatic induction electric heating defrosting device of air cooler |
| CN105972888A (en) * | 2016-06-23 | 2016-09-28 | 刘滕军 | Auto-induction electric heating defrosting air cooler |
| CN112627874A (en) * | 2020-12-16 | 2021-04-09 | 中铁十五局集团有限公司 | Ventilation unit for highway tunnel |
| CN112556291A (en) * | 2020-12-29 | 2021-03-26 | 珠海格力电器股份有限公司 | Defrosting control method of air-cooled refrigerator and air-cooled refrigerator |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |