CN207763331U - A kind of condensation air quantity controllable type energy-saving freezer - Google Patents
A kind of condensation air quantity controllable type energy-saving freezer Download PDFInfo
- Publication number
- CN207763331U CN207763331U CN201721817992.2U CN201721817992U CN207763331U CN 207763331 U CN207763331 U CN 207763331U CN 201721817992 U CN201721817992 U CN 201721817992U CN 207763331 U CN207763331 U CN 207763331U
- Authority
- CN
- China
- Prior art keywords
- condenser
- evaporator
- condensation
- pressure switch
- air quantity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of condensation air quantity controllable type energy-saving freezers,Including middle cryogenic compressor,The delivery outlet of the middle cryogenic compressor is connected with condenser,The condenser carries out heat exchange by condensation fan,The condenser is connected by outlet tube with restricting element in refrigerator,The restricting element is connected with evaporator input port,The evaporator carries out heat exchange by evaporation fan,The evaporator delivery outlet is connected with the middle cryogenic compressor input port,Refrigerant after evaporator heat exchange becomes during gaseous state returns in cryogenic compressor,The condenser outlet tube is equipped with pressure switch,The pressure switch is connected by fan speed regulation device with condensation fan,When variation of ambient temperature,Condensation fan is turned variable air volume running by pressure switch,Ensure reasonable condensing pressure,Refrigerator cooling-down effect is set to improve,Energy-saving effect is apparent simultaneously.
Description
Technical field
The utility model belongs to cryogenic freezing and deepfreeze refrigerating plant field more particularly to a kind of condensation air quantity is controllable
Formula energy-saving freezer.
Background technology
In field of low-temperature refrigeration, refrigerator extensive use, such as chilled food（Seafood, meat, boiled dumpling etc.）, logistics
Turnover freezing（It hides）, fresh electric business cold chain distribution, fresh electric business terminal and convenience store's self-carry station, last 1 kilometer of cold chain distribution.
In use above, large scale business supermarket is removed, it is ensured that 25 DEG C or so stable of working environment throughout the year, remaining environment temperature
With Four seasons change, wherein less than 20 DEG C of environment account for it is annual more than half, however, to ensure that during high temperature refrigerator operation,
Design is matched by maximum quantity of wind.When causing hot environment that can run, but dropping at ambient temperature, instead to cold
Cabinet operation is unfavorable, while energy consumption increases.
In addition to this, refrigerator air-blower control is all a constant speed air quantity.There is external producer to use frequency conversion fan, but controls
Complexity protects more easily failures, and important is an input cost height.
Utility model content
The utility model aim is to overcome deficiency in the prior art, provides a kind of condensation air quantity controllable type energy-saving cold
Cabinet.
The utility model is achieved through the following technical solutions：A kind of condensation air quantity controllable type energy-saving freezer, including in
The delivery outlet of cryogenic compressor, the middle cryogenic compressor is connected with condenser, and the condenser carries out heat by condensation fan
It exchanging, the condenser is connected by outlet tube with restricting element in refrigerator, and the restricting element is connected with evaporator input port,
The evaporator carries out heat exchange, the evaporator delivery outlet and the middle cryogenic compressor input port phase by evaporation fan
Even, the refrigerant after evaporator heat exchange becomes during gaseous state returns in cryogenic compressor, and the condenser outlet tube is equipped with pressure
Switch, the pressure switch are connected by fan speed regulation device with condensation fan.
Preferably, wherein the one of the electromechanical machine of the optional cover of the motor of the condensation fan, rotor electric machine or external rotor electric machine
Kind.
Preferably, the condenser uses tube-fin condenser, cocurrent flow type condenser, serpentine condenser or microchannel
The one of which of formula condenser.
Preferably, the pressure switch uses mechanical pressure switch or electronic pressure switch.
Preferably, the refrigerant can be used R12, R134a, R410A, R407C, R290a, R717, R22, R404A or
The one of which of R600a.
The beneficial effects of the utility model are：When the utility model at work, the condensing pressure of refrigerant has rational height
Pressure pressure, to ensure the normal operation of refrigerant after throttling.Refrigerator is run throughout the year, and during which environment temperature is accounted for less than 20 DEG C or less
Half the time.When environment temperature increases, condensing pressure increases, and condensation fan is changed into high air quantity and run by pressure switch, ensures to close
Manage condensing pressure.Environment temperature reduces, and condensing pressure reduces, and condensation fan is changed into low air quantity and run by pressure switch, ensures to close
Condensing pressure is managed, by ensureing suitable compression ratio, so that refrigerator cooling-down effect is improved, while energy-saving effect is apparent.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1- condensation fans, 2- pressure switches, 3- fan speed regulation devices, 4- condensers, cryogenic compressor in 5-, 6- steam
Wind turbine is sent out, 7- evaporators, 8- restricting elements, 9- condenser outlet tubes, dotted line inside is refrigerator working internal.
Specific implementation mode
Technical solutions of the utility model and technique effect are specifically described below according to specific implementation mode.
Embodiment 1
As shown in Figure 1, a kind of condensation air quantity controllable type energy-saving freezer, including middle cryogenic compressor 5, the middle low temperature compression
The delivery outlet of machine 5 is connected with condenser 4, and the condenser 4 carries out heat exchange by condensation fan 1, and the condenser 4 is by going out
Liquid pipe 9 is connected with restricting element in refrigerator 8, and the restricting element 8 is connected with 7 input port of evaporator, and the evaporator 7 passes through steaming
It sends out wind turbine 6 and carries out heat exchange, 7 delivery outlet of the evaporator is connected with 5 input port of middle cryogenic compressor, is changed through evaporator 7
Refrigerant after heat becomes during gaseous state returns in cryogenic compressor 5, and the condenser outlet tube 9 is equipped with pressure switch 2, the pressure
Power switch 2 is connected by fan speed regulation device 3 with condensation fan 1.
The one of which of the electromechanical machine of cover, rotor electric machine or external rotor electric machine can be selected in the motor of the condensation fan 1.
The condenser 4 uses tube-fin condenser, cocurrent flow type condenser, serpentine condenser or micropassage type condensation
The one of which of device.
The pressure switch 2 uses mechanical pressure switch or electronic pressure switch.
R12, R134a, R410A, R407C, R290a, R717, R22 can be selected in the refrigerant that refrigerator uses in the present embodiment,
The one of which of R404A or R600a.
The operation principle of the present embodiment：Refrigerator run work it is as follows, middle cryogenic compressor 5 be discharged high temperature, high pressure gas
It is introduced into the cooling condensation of condenser 4, condensation fan 1 passes through condenser to surrounding air heat release after condensed liquid comes out simultaneously
Outlet tube 9 enters restricting element 8, and evaporator 7 is entered after restricting element 8, and circulated air in cabinet is passed through evaporator by evaporation fan 6
7 carry out heat exchange.Refrigerant after evaporator 7 exchanges heat becomes gaseous state return compressor 5.
When environment temperature increases, condensing pressure increases, and condensation fan 1 is changed into high air quantity and run by pressure switch 2, ensures to close
Manage condensing pressure.Environment temperature reduces, and condensing pressure reduces, and condensation fan 1 is changed into low air quantity and run by pressure switch 2, is ensured
Reasonable condensing pressure.By ensureing suitable compression ratio, refrigerator cooling-down effect is set to improve, while energy-saving effect is apparent.Refrigerant
Condensing pressure has rational high-pressure, to ensure the normal operation of refrigerant after throttling.
Compared with freezing refrigerator with current Conventional cryogenic, the condensation air quantity controllable type energy-saving freezer energy-saving benefit in the present embodiment
It is as follows：
- 18 DEG C of low temperature is hereinafter, volume is 4m3, freezed using Conventional cryogenic refrigeration refrigerator, condensation fan general power is：
200W。
Use the condensation air quantity controllable type energy-saving freezer in the present embodiment, power of fan：Low speed：100w, middling speed 150w,
At a high speed：200w is distinguished for 4 months by each operation：Average total power 150W.
For the ordinary skill in the art, specific embodiment has only carried out exemplary retouch to the utility model
It states, it is clear that the utility model specific implementation is not subject to the restrictions described above, as long as using the methodology of the utility model
The improvement of the various unsubstantialities carried out with technical solution, or it is not improved that the design of the utility model and technical solution is direct
Applied to other occasions, it both is within the protection scope of the present invention.
Claims (5)
1. a kind of condensation air quantity controllable type energy-saving freezer, it is characterised in that：Including middle cryogenic compressor, the middle cryogenic compressor
Delivery outlet be connected with condenser, the condenser by condensation fan carry out heat exchange, the condenser by outlet tube with
Restricting element is connected in refrigerator, and the restricting element is connected with evaporator input port, and the evaporator is carried out by evaporation fan
Heat exchange, the evaporator delivery outlet are connected with the middle cryogenic compressor input port, and the refrigerant after evaporator heat exchange becomes
During gaseous state returns in cryogenic compressor, the condenser outlet tube is equipped with pressure switch, and the pressure switch passes through wind turbine tune
Fast device is connected with condensation fan.
2. a kind of condensation air quantity controllable type energy-saving freezer according to claim 1, it is characterised in that：The condensation fan
The one of which of the electromechanical machine of cover, rotor electric machine or external rotor electric machine can be selected in motor.
3. a kind of condensation air quantity controllable type energy-saving freezer according to claim 1, it is characterised in that：The condenser uses
The one of which of tube-fin condenser, cocurrent flow type condenser, serpentine condenser or micropassage type condenser.
4. a kind of condensation air quantity controllable type energy-saving freezer according to claim 1, it is characterised in that：The pressure switch is adopted
With mechanical pressure switch or electronic pressure switch.
5. a kind of condensation air quantity controllable type energy-saving freezer according to claim 1, it is characterised in that：The refrigerant can be used
The one of which of R12, R134a, R410A, R407C, R290a, R717, R22, R404A or R600a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817992.2U CN207763331U (en) | 2017-12-22 | 2017-12-22 | A kind of condensation air quantity controllable type energy-saving freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817992.2U CN207763331U (en) | 2017-12-22 | 2017-12-22 | A kind of condensation air quantity controllable type energy-saving freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763331U true CN207763331U (en) | 2018-08-24 |
Family
ID=63188288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721817992.2U Expired - Fee Related CN207763331U (en) | 2017-12-22 | 2017-12-22 | A kind of condensation air quantity controllable type energy-saving freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763331U (en) |
-
2017
- 2017-12-22 CN CN201721817992.2U patent/CN207763331U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103075831B (en) | Novel air-cooled evaporation type composite refrigeration house refrigerating system | |
| CN108759138B (en) | Operation method and system of secondary throttling middle incomplete cooling refrigerating system | |
| CN103808102A (en) | Heat-driven defrosting device using natural circulation and defrosting method using same | |
| CN107560253B (en) | A kind of energy saving defrosting system and its control method of air source heat pump | |
| CN106225358A (en) | Cold storage hot gas defrosting refrigeration system and heat accumulating type steam defrosting heat pump system | |
| CN107782045A (en) | A kind of semiconductor defrosting refrigerator | |
| CN112050490A (en) | Evaporative cooling centrifugal water chilling unit | |
| CN108151348A (en) | A kind of double-compressor refrigeration system and control method for single space refrigeration | |
| CN212179341U (en) | Water circulation type cooling system | |
| CN106705308B (en) | Mechanical flash evaporation type air conditioner refrigeration system and working method thereof | |
| CN201945082U (en) | Integrative industrial water chiller unit | |
| CN205332368U (en) | Freely cool off computer lab air conditioning unit | |
| CN104776524A (en) | Multi-connected refrigerating system with natural cooling function, and control method thereof | |
| CN219037120U (en) | Parallel type cascade refrigerating unit capable of realizing cold and heat combined supply | |
| KR20100120323A (en) | Chiller system | |
| CN207763331U (en) | A kind of condensation air quantity controllable type energy-saving freezer | |
| CN102679476A (en) | High-efficient refrigerating air-conditioner | |
| CN204555104U (en) | Water-refrigerant heat exchanging air conditioner off-premises station | |
| CN209085104U (en) | Condensation unit, cryogenic refrigerating system for alternating temperature cabinet | |
| CN108709333B (en) | Operation method and system of secondary throttling middle complete cooling refrigerating system | |
| CN202973799U (en) | Bypass defrosting type baking humidity-discharge heat pump unit | |
| CN209085103U (en) | With refrigeration the energy conservation unit, middle temp, refrigerating system for exempting white function | |
| CN207763284U (en) | A kind of Gas-supplying enthalpy-increasing type energy-saving low-temperature refrigerator | |
| RU148544U1 (en) | ENERGY-SAVING REFRIGERATING UNIT | |
| CN207936538U (en) | A kind of kitchen refrigerating and heat-supplying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180824 Termination date: 20201222 |