CN203949408U - A kind of refrigerating plant - Google Patents
A kind of refrigerating plant Download PDFInfo
- Publication number
- CN203949408U CN203949408U CN201420341627.9U CN201420341627U CN203949408U CN 203949408 U CN203949408 U CN 203949408U CN 201420341627 U CN201420341627 U CN 201420341627U CN 203949408 U CN203949408 U CN 203949408U
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- Prior art keywords
- evaporimeter
- compressor
- refrigerating plant
- freezer
- temperature
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Abstract
The utility model discloses a kind of refrigerating plant, comprise driving arrangement, compressor, condenser and evaporimeter, driving arrangement is connected with compressor, evaporimeter, compressor and condenser are by pipeline communication and be formed for the closed circuit of release heat, this refrigerating plant also comprises the electric warm-air machine for air blast, and the warm braw heat in freezer is passed to evaporimeter by electric warm-air machine.The beneficial effects of the utility model are: heat pump techniques is transformed into refrigeration plant by the utility model, and the structure of air source heat pump is improved, realizing refrigeration reverses, cooling in summer is changed into and heated up winter, keep constant temperature to realize acid discharge storehouse or fresh-keeping warehouse, and the temperature that can realize freezer remains at 0 ~ 5 degree Celsius, solve the problem that winter, freezer cannot be incubated, this equipment investment is little, easy and simple to handle, the design of hommization, can apply to large, the sun-drenched place of seashore or grassland wind-force, practical.
Description
Technical field
The utility model relates to technical field of heat pumps, in particular to a kind of refrigerating plant.
Background technology
Enter after winter in In The North of Xinjiang Altay Prefecture, outside air temperature will be low to moderate below-15 degrees Celsius, for the larger place of grassland wind-force, building freezer and carrying out storing food with freezer is the mode best to livestock products stored frozen, for the high temperature storehouse of meat work and vegetable preservation library, generally should ensure that storehouse temperature is at 0 ~ 5 degree Celsius, at this temperature, meat and vegetables just can fresh-keepingly be never degenerated.In existing freezer, mostly use current existing refrigeration unit, its inner compressor of this refrigeration unit mainly utilizes outside air to compress, because outside air temperature is too low, thereby unit is not worked, therefore in the time that refrigeration unit cannot heat heat insulation work, tend to make the storehouse temperature drop in freezer to be low to moderate below 0 °, under this storehouse temperature, deposit meat, meat is easy to go bad, and meat work cannot implement meat acid discharge, cause meat work to work normally, simultaneously, under cold storage locker temperature below 0 °, vegetables, fruit easily freezes and then cannot be fresh-keeping.
In addition, existing refrigeration unit is to carry out drive compression mechanism cold with external power supply, or uses heat-driven absorption refrigeration mechanism cold, that is to say existing refrigerating method or consume electric energy, consumption heat energy, in energy scarcity or energy prices high today, refrigeration expense is very high.
Therefore, build freezer for Northern Part of Xinjiang, come storing marine products or livestock products with freezer, people are in the urgent need to a kind of refrigerating plant that can heat up in the winter time and can ensure low-temperature working.
Summary of the invention
The use electric energy startup compressor existing for solving refrigerating plant of the prior art, not only waste electric energy, and the in the situation that of power-off or under the lower environment of ambient temperature, compressor such as cannot start at the problem, the purpose of this utility model is to provide a kind of refrigerating plant.
For achieving the above object, a kind of refrigerating plant is provided in the utility model embodiment, comprise driving arrangement, compressor, condenser and evaporimeter, driving arrangement is connected with compressor, evaporimeter, compressor and condenser are by pipeline communication and be formed for the closed circuit of release heat, this refrigerating plant also comprises the electric warm-air machine for air blast, and the warm braw heat in freezer is passed to evaporimeter by electric warm-air machine.
In the technical program, the utility model is simple in structure, this device is placed on and in freezer, carries out intensification work, by compressor, condenser, the heat discharging in the closed circuit that evaporimeter forms is passed in the air of freezer, thereby the temperature of freezer is raise, start compressor and need a lot of electric weight, the utility model has increased driving arrangement, can save electric weight, easy to use, simple to operate, save financial cost, increase electric warm-air machine in a side of evaporimeter in addition, the effect of electric warm-air machine has two, one is that the air that evaporimeter is absorbed heats, another one is the uptake that has increased evaporimeter, practical, design ingenious.
Further, this refrigerating plant also comprises expansion valve, and expansion valve is arranged on the pipeline between condenser and evaporimeter.In the technical program, expansion valve is a vitals in refrigeration system, expansion valve makes the liquid refrigerant of middle temperature high pressure become the moist steam of low-temp low-pressure by its throttling, then cold-producing medium absorbs heat and reaches refrigeration in evaporimeter, expansion valve is changed and is carried out by-pass valve control flow by the degree of superheat of evaporimeter end, prevents evaporator area underutilization and engine knock phenomenon.Expansion valve comprises following two effects: (1) throttling action: the liquid refrigerant of high temperature, high pressure, after the throttle orifice throttling of expansion valve, becomes the vaporific hydraulic pressure cold-producing medium of low-temp low-pressure, for the evaporation of cold-producing medium creates conditions; (2) flow of control cold-producing medium: the liquid refrigerant that enters evaporimeter, after evaporimeter, cold-producing medium is evaporated to gaseous state by liquid state, the flow of expansion valve control cold-producing medium, the outlet that ensures evaporimeter is entirely gaseous refrigerant, if flow is excessive, outlet contains liquid refrigerant, may enter compressor and produce liquid hammer; If refrigerant flow is too small, evaporate in advance, cause refrigeration not enough.
Further, driving arrangement comprises motor, battery and solar panels, and solar panels are connected with battery, and battery is connected with motor by power switch, and motor is connected with compressor by shaft coupling.Driving arrangement is as the term suggests be the drive source that starts/close for drive compression machine, in the technical program, driving arrangement is done to further restriction, solar panels are used for collecting sunshine, and be that electric energy is charge in batteries by light energy conversion, in the time that extraneous power supply does not have electricity, battery can provide stand-by power supply, in the time there is no sunlight in external environment, can use external power supply, battery provides power supply for motor in addition, motor drives by shaft coupling drive motor, structural design is ingenious, practical, has reduced financial cost.
Further, battery connects external power supply.Battery charges by external power supply, while thering is no power supply, can use power supply for subsequent use in battery to carry out the startup work of compressor when external, can not make refrigeration system quit work, thereby make freezer keep the suitable temperature of stock's food always, practical.
Preferably, this refrigerating plant also comprises controller and the temperature sensor being connected with controller signals, and controller is connected with power switch signal.In the technical program, by the air themperature in temperature sensor senses freezer, when temperature is too low or when too high, signal is passed to controller by temperature sensor, controller will be realized the unlatching of power switch, thereby starts compressor operating.Practical, simple to operate, realize intellectualized operation, save manpower.
The beneficial effects of the utility model are: the refrigeration system that the utility model provides is mainly used in freezer, solve existing refrigeration plant for In The North of Xinjiang Altay Prefecture, in period in winter, in the lower situation of ambient temperature, cannot start the defect of work, the utility model can be by air source heat pump technical transform in refrigeration plant, and the structure of air source heat pump is improved, realizing refrigeration reverses, cooling in summer is changed into and heated up winter, to realize freezer, acid discharge storehouse or fresh-keeping warehouse keep constant temperature, and the temperature that can realize freezer remains at 0 ~ 5 degree Celsius, the advantage of this equipment is in the time that acid discharge storehouse or fresh-keeping warehouse need heat up winter, this equipment both can have been realized the temperature improving in freezer, and do not need to install separately a set of air source heat pump, the system that only need to utilize the utility model to provide, original refrigeration plant operation is reversed, become refrigeration into heating, invest little, easy and simple to handle, the design of hommization, can apply to seashore or grassland wind-force is large, sun-drenched place, build freezer, for storing marine products or herding product, practical.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of refrigerating plant described in the utility model embodiment.
In figure,
1, driving arrangement; 2, compressor; 3, condenser; 4, evaporimeter; 5, electric warm-air machine; 6, expansion valve; 7, motor; 8, battery; 9, solar panels; 10, shaft coupling; 11, temperature sensor; 12, controller; 13, power switch.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
As shown in Figure 1, a kind of refrigerating plant described in the utility model embodiment, comprise driving arrangement 1, compressor 2, condenser 3 and evaporimeter 4, driving arrangement is connected with compressor, evaporimeter, compressor and condenser are by pipeline communication and be formed for the closed circuit of release heat, this refrigerating plant also comprises the electric warm-air machine 5 for air blast, and the warm braw heat in freezer is passed to evaporimeter by electric warm-air machine.
This refrigerating device structure is simple, this device is placed on and in freezer, carries out intensification work, by compressor, condenser, the heat discharging in the closed circuit that evaporimeter forms is passed in the air of freezer, thereby the temperature of freezer is raise, start compressor and need a lot of electric weight, the utility model has increased driving arrangement, can save electric weight, easy to use, simple to operate, save financial cost, increase electric warm-air machine in a side of evaporimeter in addition, the effect of electric warm-air machine has two, one is that the air that evaporimeter is absorbed heats, another one is the uptake that has increased evaporimeter, practical, design ingenious.
When specific works, evaporimeter absorbs after the low temperature heat energy in freezer, evaporation heat transfer working medium, working medium boil-off gas rises by pressure and temperature after compressor compresses, high-temperature vapour becomes liquid by condenser condenses, thereby the heat discharging has passed to the air in freezer, and then the temperature in freezer is raise.This refrigerating plant has realized freezer, acid discharge storehouse or fresh-keeping warehouse keeps constant temperature, and the temperature that can realize freezer remains at 0 ~ 5 degree Celsius, has solved the problem that winter, freezer cannot be incubated.
In the technical program, further described this refrigerating plant also comprises expansion valve 6, and expansion valve is arranged on the pipeline between condenser and evaporimeter.Expansion valve is a vitals in refrigeration system, expansion valve makes the liquid refrigerant of middle temperature high pressure become the moist steam of low-temp low-pressure by its throttling, then cold-producing medium absorbs heat and reaches refrigeration in evaporimeter, expansion valve is changed and is carried out by-pass valve control flow by the degree of superheat of evaporimeter end, prevents evaporator area underutilization and engine knock phenomenon.Expansion valve comprises following two effects: (1) throttling action: the liquid refrigerant of high temperature, high pressure, after the throttle orifice throttling of expansion valve, becomes the vaporific hydraulic pressure cold-producing medium of low-temp low-pressure, for the evaporation of cold-producing medium creates conditions; (2) flow of control cold-producing medium: the liquid refrigerant that enters evaporimeter, after evaporimeter, cold-producing medium is evaporated to gaseous state by liquid state, the flow of expansion valve control cold-producing medium, the outlet that ensures evaporimeter is entirely gaseous refrigerant, if flow is excessive, outlet contains liquid refrigerant, may enter compressor and produce liquid hammer; If refrigerant flow is too small, evaporate in advance, cause refrigeration not enough.
In the technical program, further described driving arrangement comprises motor 7, battery 8 and solar panels 9, and solar panels are connected with battery, and battery is connected with motor by power switch 13, and motor is connected with compressor by shaft coupling 10.Driving arrangement is as the term suggests be the drive source that starts/close for drive compression machine, in the technical program, driving arrangement is done to further restriction, solar panels are used for collecting sunshine, and be that electric energy is charge in batteries by light energy conversion, in the time that extraneous power supply does not have electricity, battery can provide stand-by power supply, in the time there is no sunlight in external environment, can use external power supply, battery provides power supply for motor in addition, motor drives by shaft coupling drive motor, structural design is ingenious, practical, has reduced financial cost.
In the technical program, solar panels can effectively utilize the solar energy of this area, there is the solar time when the daytime, solar energy is collected, and the electric weight of generation is stored in battery, and battery provides electric energy for motor drive component, in energy scarcity or energy prices high today, effectively save electric energy, and reduced refrigerating/heating expense, reduced financial cost.
In the technical program, further described battery connects external power supply.Battery charges by external power supply, while thering is no power supply, can use power supply for subsequent use in battery to carry out the startup work of compressor when external, can not make refrigeration system that use is provided, practical.
In the technical program, further described this refrigerating plant also comprises controller 12 and the temperature sensor 11 being connected with controller signals, and controller is connected with power switch signal.In the technical program, by the air themperature in temperature sensor senses freezer, when temperature is too low or when too high, signal is passed to controller by temperature sensor, controller will be realized the unlatching of power switch, thereby starts compressor operating.Practical, simple to operate, realize intellectualized operation, save manpower.
This refrigerating plant can also pass through wind drive compressor start in addition, the wind turbine that can to increase wind energy transformation be like this mechanical energy, wind turbine is by driving belt drive compression machine, when in external environment, when wind-force is larger, can not use power initiation compressor, can start compressor by wind turbine, mainly the kinetic energy that the mechanical energy of wind turbine generation is passed to compressor by driving belt, and drive compression machine starts, this design has been used the wind energy in natural resources, save electric energy, save financial cost, may be used on enterprise produces and uses for a long time freezer to carry out freezing, store the producer of food, practical.
When concrete use, the utility model utilizes contrary Carnot's principle, existing heat pump structure is improved, the air themperature that is positioned at evaporimeter place in freezer is raise with few electric energy by electric warm-air machine, evaporimeter absorbs a large amount of low temperature heat energy in freezer air, with evaporation heat transfer working medium, heat-transfer working medium becomes high temperature heat by the compression of compressor, high-temperature vapour is condensed into liquid by cool condenser, the heat discharging has passed to the water in air source heat pump water storage tank, condensed heat-transfer working medium turns back to evaporimeter by expansion valve, and then evaporated, so move in circles, this refrigerating plant is a kind of heat pump techniques of efficient energy-saving.
This device is low pressure temperature control device, and at temperature, during lower than 0 °, link power supply, reverses and start compressor, utilizes a small amount of electric energy, absorbs the air low temperature heat energy in fresh-keeping warehouse or acid discharge storehouse, becomes high temperature heat by the compression of compressor, practical.
The refrigeration system that the utility model provides is mainly used in freezer, solve existing refrigeration plant for In The North of Xinjiang Altay Prefecture, in period in winter, in the lower situation of ambient temperature, cannot start the defect of work, the utility model can be by air source heat pump technical transform in refrigeration plant, and the structure of air source heat pump is improved, realizing refrigeration reverses, cooling in summer is changed into and heated up winter, to realize freezer, acid discharge storehouse or fresh-keeping warehouse keep constant temperature, and the temperature that can realize freezer remains at 0 ~ 5 degree Celsius, the advantage of this equipment is in the time that acid discharge storehouse or fresh-keeping warehouse need heat up winter, this equipment both can have been realized the temperature improving in freezer, and do not need to install separately a set of air source heat pump, the system that only need to utilize the utility model to provide, original refrigeration plant operation is reversed, become refrigeration into heating, invest little, easy and simple to handle, the design of hommization, can apply to seashore or grassland wind-force is large, sun-drenched place, build freezer, for storing marine products or herding product, practical.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a refrigerating plant, it is characterized in that: comprise driving arrangement (1), compressor (2), condenser (3) and evaporimeter (4), driving arrangement is connected with compressor, evaporimeter, compressor and condenser are by pipeline communication and be formed for the closed circuit of release heat, this refrigerating plant also comprises the electric warm-air machine (5) for air blast, and the warm braw heat in freezer is passed to evaporimeter by electric warm-air machine.
2. refrigerating plant according to claim 1, is characterized in that: this refrigerating plant also comprises expansion valve (6), and expansion valve is arranged on the pipeline between condenser and evaporimeter.
3. refrigerating plant according to claim 1, it is characterized in that: driving arrangement comprises motor (7), battery (8) and solar panels (9), solar panels are connected with battery, battery is connected with motor by power switch (13), and motor is connected with compressor by shaft coupling (10).
4. refrigerating plant according to claim 3, is characterized in that: battery connects external power supply.
5. refrigerating plant according to claim 3, is characterized in that: this refrigerating plant also comprises controller (12) and the temperature sensor (11) being connected with controller signals, and controller is connected with power switch signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341627.9U CN203949408U (en) | 2014-06-25 | 2014-06-25 | A kind of refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341627.9U CN203949408U (en) | 2014-06-25 | 2014-06-25 | A kind of refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949408U true CN203949408U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341627.9U Expired - Fee Related CN203949408U (en) | 2014-06-25 | 2014-06-25 | A kind of refrigerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848595A (en) * | 2015-04-16 | 2015-08-19 | 泰州格灵电器制造有限公司 | Air-energy-assisted solar heat pump |
| CN104949364A (en) * | 2015-06-19 | 2015-09-30 | 郑州轻工业学院 | Machine room air conditioner |
-
2014
- 2014-06-25 CN CN201420341627.9U patent/CN203949408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848595A (en) * | 2015-04-16 | 2015-08-19 | 泰州格灵电器制造有限公司 | Air-energy-assisted solar heat pump |
| CN104949364A (en) * | 2015-06-19 | 2015-09-30 | 郑州轻工业学院 | Machine room air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160625 |