CN207763285U - Commercial freezing and refrigeration variable frequency condenser group - Google Patents
Commercial freezing and refrigeration variable frequency condenser group Download PDFInfo
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- CN207763285U CN207763285U CN201820074574.7U CN201820074574U CN207763285U CN 207763285 U CN207763285 U CN 207763285U CN 201820074574 U CN201820074574 U CN 201820074574U CN 207763285 U CN207763285 U CN 207763285U
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- compressor
- refrigeration
- throttling set
- condenser coil
- temperature sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model proposes a kind of commercial freezing and refrigeration variable frequency condenser groups; including compressor and condensation fan; the low pressure port of compressor is connected with low-voltage protective switch, low pressure gauge, suction temperature sensor; the high-pressure mouth of compressor is connected with exhaust gas temperature sensor, condenser coil, liquid storage device, high voltage protective switch, high-pressure manometer, filter and economizer; finned heat exchanger and temperature sensor are provided on condenser coil; condenser coil is connected with refrigerant pipe and charging valve, and the economizer is connected with throttling set and auxiliary throttling set.The utility model improves the refrigeration performance of device using the air injection enthalpy-increasing system that economizer and frequency-changeable compressor are formed; and using multiple temperature sensors come the temperature of real-time monitoring device; the corresponding protection switch of cooperation automatically controls booting and shutdown; and then freezer humiture is accurately controlled, effectively reduce food drying loss；The demand for development of refrigeration electromechanical integration has been adapted to using throttling set and auxiliary throttling set.
Description
Technical field
The utility model belongs to technical field of refrigeration equipment more particularly to a kind of commercial freezing and refrigeration variable frequency condenser group.
Background technology
Freezer is actually a kind of low-temperature freezing facilities, and cryogenic temperature generally between 30 degree, is deposited at subzero 10 degree to subzero
The amount for storing up frozen food is bigger.Freezer is called freezer, also belongs to one kind of refrigeration equipment, compared with refrigerator, refrigeration
Area is much bigger, but their refrigeration principles all having the same.
Currently, the equipment of freezer includes mainly compressor, air-cooler, heating power expansion valve, condenser and defrosting electric heater,
Although these are all the structures of comparative maturity, the degree of automation is relatively low, and freezer equipment is needed according to actual temperature
Variation carries out cooling work, the opening and closing work of this control compressor start and related valve be required for staff come into
Row operation, in this case increases the workload of staff；Although some stores freezer of the unit using automation control,
But the compressor and condensation fan used can not achieve variable frequency adjustment, time that compressor and condensation fan start and shut down automatically
Number is more frequent, in this case not only it is difficult to ensure that freezer be in constant temperature and humidity state, greatly reduces the storage for storing unit
Quality, and the loss of system itself is higher and effect is relatively low；Furthermore it is exactly that heating power expansion valve answers used in general freezer
The anxious reaction time is longer cause the fluid flow into evaporator cannot obtain timely, be accurately controlled, it is cold to reduce
But efficiency and cooling quality, simultaneously as the temperature difference of evaporator and cool house internal can frosting on an evaporator, this just needs work
Make personnel in time to defrost to evaporator, the work that can increase refrigeration system during using electric heated defrosting is negative
Lotus, but also the variation of library temperature can be caused to influence the quality of Stored Product；In addition, present refrigeration equipment is in cold operation
In the state of refrigerating capacity can be limited by temperature and perform poor, cannot make full use of refrigeration used in the energy, one
As the refrigerating capacity of refrigeration equipment also there is ample room for improvement.
Utility model content
The utility model proposes a kind of reasonable design, automation for the technical problem present in above-mentioned refrigeration equipment
Degree height, good refrigeration effect and the commercial freezing and refrigeration variable frequency condenser group that can realize step-less adjustment.
In order to achieve the above object, the technical solution adopted in the utility model is commercial freezing provided by the utility model
Refrigerate variable frequency condenser group, including compressor, condenser coil, condensation fan and liquid storage device.The compressor includes low pressure port, height
Mouth and gas supplementing opening, the low pressure port is pressed to be connected with suction filter, the air inlet of the high-pressure mouth connection condenser coil is described cold
The import of the liquid outlet connection liquid storage device of solidifying coil pipe, the condensation fan is EC condensation fans, and the compressor compresses for frequency conversion
Machine is disposed with low-voltage protective switch, low pressure gauge and suction temperature sensing between the low pressure port and suction filter
Device is provided with exhaust gas temperature sensor, finned change is provided on the condenser coil between the condenser coil and compressor
Hot device and condenser coil temperature sensor are provided with environment temperature sensor, the condenser coil on the finned heat exchanger
Air inlet be connected with refrigerant pipe, the outlet of the liquid storage device is connected with filter, between the liquid storage device and filter successively
It is connected with high voltage protective switch and high-pressure manometer, the liquid storage device is connect by filter with economizer, the economizer packet
Supercooling chamber and expansion chamber are included, the supercooling chamber is connected with throttling set and auxiliary throttling set, and the expansion chamber connects with gas supplementing opening
It connects.
Preferably, the throttling set includes liquid-sighting glass, electric expansion valve I and air-conditioner stop valve I.
Preferably, the auxiliary throttling set includes wire gauzee filter and electric expansion valve II.
Preferably, the suction filter is connected with air intake duct, the air intake duct is connected with air-conditioner stop valve II.
Preferably, the entrance of the refrigerant pipe is connected with charging valve.
Compared with prior art, it is with good effect the advantages of the utility model,
1, commercial freezing and refrigeration variable frequency condenser group provided by the utility model, by the connecting line in the present apparatus
Different temperature sensors is set and achievees the purpose that real-time monitoring temperature, while coordinating corresponding low pressure, high voltage protective switch real
Booting and shutdown are now automatically controlled, high degree of automation is effectively reduced and store in freezer to accurately control the humiture of freezer
The drying loss for hiding food, extends the shelf life of food, increases food selling benefit.
2, commercial freezing and refrigeration variable frequency condenser group provided by the utility model, the secondary of compressor is realized by economizer
Air inlet is fed, and along with an energy-efficient air injection enthalpy-increasing system is formd using frequency-changeable compressor, realizes air injection enthalpy-increasing,
The compression efficiency and refrigeration cycle efficiency of compressor are substantially increased, and then improves the refrigeration performance of device.
3, commercial freezing and refrigeration variable frequency condenser group provided by the utility model, passes through EC frequency conversions condensation fan and frequency conversion pressure
Contracting machine realizes the step-less adjustment function of whole device together, and the constant temperature and humidity for being conducive to freezer is adjusted, to ensure that freezer is higher
Storage it is horizontal；It is itself had simultaneously using EC frequency conversions condensation fan and frequency-changeable compressor and the advantage small, power is high is lost, in addition
The operating noise for also reducing whole device, reduces noise pollution.
4, commercial freezing and refrigeration variable frequency condenser group provided by the utility model, passes through throttling set and auxiliary throttling set
The excellent spy that the demand for development of refrigeration electromechanical integration, especially electric expansion valve have heating power expansion valve incomparable is adapted to
Property, it realizes automatic, accurate control of fluid flow, condition is provided for the intelligentized control method of refrigeration system.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the system structure diagram for the commercial freezing and refrigeration variable frequency condenser group that embodiment provides；
In above each figure, 1, air-conditioner stop valve II；2, air intake duct；3, suction filter；4, low-voltage protective switch；5, low pressure
Pressure gauge；6, suction temperature sensor；7, compressor；71, low pressure port；72, high-pressure mouth；73, gas supplementing opening；8, condenser coil；81、
Air inlet；82, liquid outlet；9, finned heat exchanger；10, condenser coil temperature sensor；11, exhaust gas temperature sensor；12, ring
Border temperature sensor；13, liquid storage device；14, filter；15, high-pressure manometer；16, high voltage protective switchs；17, economizer；18、
Throttling set；181, liquid-sighting glass；182, electric expansion valve I；183, air-conditioner stop valve I；19, throttling set is assisted；191, silk screen
Filter；192, electric expansion valve II；21, refrigerant pipe；22, charging valve；23, condensation fan.
Specific implementation mode
It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
The feature applied in example can be combined with each other.For sake of convenience, hereafter such as there are "upper", "lower", "left", "right" printed words, only indicate
It is consistent with the upper and lower, left and right direction of attached drawing itself, restriction effect is not played to structure.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment, as shown in Figure 1, commercialization freezing and refrigeration variable frequency condenser group provided by the utility model, including compressor
7, condenser coil 8, condensation fan 23 and liquid storage device 13.The compressor 7 includes low pressure port 71, high-pressure mouth 72 and gas supplementing opening 73,
The low pressure port 71 is connected with suction filter 3, and the high-pressure mouth 72 connects the air inlet 81 of condenser coil 8, the condensate pans
The liquid outlet 82 of pipe 8 connects the import of liquid storage device 13, these are all structures commonly used in the prior art, or perhaps common company
Mode is connect, the utility model is main to be to improve a series of improvement and some that the compression efficiency of compressor proposes
The important improvement that can adapt to refrigeration electromechanical integration development.
Specifically, in order to realize that electromechanical integration and refrigeration are intelligent, 71 He of the low pressure port provided by the utility model
Low-voltage protective switch 4, low pressure gauge 5 and suction temperature sensor 6, the condensation are disposed between suction filter 3
It is provided with exhaust gas temperature sensor 11 between coil pipe 8 and compressor 7,9 He of finned heat exchanger is provided on the condenser coil 8
Condenser coil temperature sensor 10 is provided with environment temperature sensor 12 on the finned heat exchanger 9, the liquid storage device 13
Outlet is connected with filter 14, is connected with high voltage protective switch 16 and high pressure pressure between the liquid storage device 13 and filter 14 in turn
Power table 15.Wherein, suction filter 3 and filter 14 can ensure the air or liquid into compressor 7 and economizer 17 respectively
The purity of body is in order to avoid influence the service life and work quality of associated components；Suction temperature sensor 6, exhaust gas temperature sensor
11, condenser coil temperature sensor 10 and environment temperature sensor 12 can monitor the different connecting tube section of whole device
Temperature, and temperature data is transmitted in master controller (being not drawn into figure), master controller is according to each temperature sensor
Data control the compression ratio of compressor 7 and the aperture of air-conditioner stop valve I 183 and air-conditioner stop valve II 1, while according in freezer
Outer temperature difference simultaneously coordinates corresponding low-voltage protective switch 4, low pressure gauge 5 and high voltage protective switch 16, high-pressure manometer
15 realizations automatically control booting and shutdown, protect the safe operation of whole device, and then improve compression efficiency and refrigeration performance, from
Dynamicization degree is higher, greatly improves work efficiency, and may be implemented to accurately control the humiture of freezer, effectively reduces freezer
The drying loss of middle institute's preserved food products, extends the shelf life of food, increases food selling benefit.
Further, compressor 7 provided by the utility model is frequency-changeable compressor, and one end of the filter connects
It is a kind of efficient heat exchanger to have economizer 17, economizer 17, and economizer 17 includes supercooling chamber and expansion chamber, the liquid of expansion chamber kind
Body expansion work makes the liquid in supercooling chamber be subcooled, and the supercooling chamber is connected with throttling set 18 and auxiliary throttling set 19, institute
The evaporator flowed to by throttling set 18 in freezer is stated in the liquid of supercooling, the expansion chamber is connect with gas supplementing opening 73, described
Gas in expansion chamber flows to compressor 7 under the action of assisting throttling set 19 and completes secondary air inlet supply, passes through economizer
17 realize the secondary air inlet supply of compressors, along with foring an energy-efficient air injection enthalpy-increasing system using frequency-changeable compressor
System, realizes air injection enthalpy-increasing, and higher air compression is still maintained in the state that whole device is all in cold operation
Efficiency and refrigeration cycle efficiency, and then improve the refrigeration performance of device.More specifically, the throttling set 18 includes liquid-sighting glass
181, electric expansion valve I 182 and air-conditioner stop valve I 183, the auxiliary throttling set 19 include wire gauzee filter 191 and electronics
Expansion valve II 192 has adapted to the demand for development of refrigeration electromechanical integration by throttling set 18 and auxiliary throttling set 19, especially
It is the good characteristic that electric expansion valve has heating power expansion valve incomparable, realizes automatic, accurate control of fluid flow, for refrigeration
The intelligentized control method of system provides condition；Liquid-sighting glass can help staff observe refrigeration piping in liquid form to
Recognize the work quality of whole device, conveniently make some and manually adjust, improves the working performance of device.
In order to realize that the step-less adjustment function of freezer humiture, condensation fan 23 provided by the utility model are that a kind of EC is cold
Solidifying wind turbine (EC, the English abbreviation of electronic commutation), for EC condensation fans using EC motors, which is that built-in intelligence controls mould
The brush DC formula non-maintaining type motor of block, and with high intelligence, height is energy saving, high efficiency, long lifespan, with small vibration, noise is low
And can continuous non-stop run the advantages that；In this case, the EC condensation fans in the utility model and frequency-changeable compressor can be with
The working frequency of itself is adjusted according to the load variations of system, to realize the step-less adjustment function of whole device together, favorably
It is adjusted in the constant temperature and humidity of freezer, to ensure that the higher storage of freezer is horizontal；Meanwhile it being compressed using EC condensation fans and frequency conversion
Machine, which itself has, is lost the advantage small, power is high, in addition also reduces the operating noise of whole device, reduces noise pollution,
Meet environmentally protective theory, is suitble to large-scale promotion.
In order to improve the cooling quality and efficiency of whole device, finned heat exchanger 9 provided by the utility model and condensation
Wind turbine 23 can accelerate the rate of heat dispation of condenser pipe 8, improve condensing rate, while in order to improve condensing rate, the condensate pans
The air inlet of pipe 8 is connected with refrigerant pipe 21, and the entrance of the refrigerant pipe 21 is connected with charging valve 22, and charging valve 22, which can play, to be made
The effect that coolant media in refrigerant pipe 21 quickly passes in and out can play Unloading Effect, and avoid off-load in high pressure and big flow
Impact, and charging valve 22 improves condensation quality of the coolant media in condenser pipe, and the gas for accelerating high temperature and pressure is fast
Quickly cooling is solidifying.Further, the suction filter 3 of the utility model is connected with air intake duct 2, and the air intake duct 2 is connected with air-conditioning and cuts
Only valve II 1, air-conditioner stop valve I 183 and air-conditioner stop valve II 1 are connect with cool house internal air-conditioning device (including evaporator)
Control valve is to form a complete cooling cycle system.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit to any simple modification, equivalent variations and remodeling made by above example, it is new to still fall within this practicality
The protection domain of type technical solution.
Claims (5)
1. commercial freezing and refrigeration variable frequency condenser group, including compressor, condenser coil, condensation fan and liquid storage device, the compression
Machine includes low pressure port, high-pressure mouth and gas supplementing opening, and the low pressure port is connected with suction filter, and the high-pressure mouth connects condenser coil
Air inlet, the condenser coil liquid outlet connection liquid storage device import, which is characterized in that the condensation fan be EC condensation
Wind turbine, the compressor be frequency-changeable compressor, be disposed between the low pressure port and suction filter low-voltage protective switch,
Low pressure gauge and suction temperature sensor are provided with exhaust gas temperature sensor between the condenser coil and compressor, described
It is provided with finned heat exchanger and condenser coil temperature sensor on condenser coil, environment is provided on the finned heat exchanger
The air inlet of temperature sensor, the condenser coil is connected with refrigerant pipe, and the outlet of the liquid storage device is connected with filter, described
It is connected with high voltage protective switch and high-pressure manometer between liquid storage device and filter in turn, the liquid storage device passes through filter and warp
The device that helps connects, and the economizer includes supercooling chamber and expansion chamber, and the supercooling chamber is connected with throttling set and auxiliary throttling set,
The expansion chamber is connect with gas supplementing opening.
2. commercialization freezing and refrigeration variable frequency condenser group according to claim 1, which is characterized in that the throttling set includes
Liquid-sighting glass, electric expansion valve I and air-conditioner stop valve I.
3. commercialization freezing and refrigeration variable frequency condenser group according to claim 2, which is characterized in that the auxiliary throttling set
Including wire gauzee filter and electric expansion valve II.
4. commercialization freezing and refrigeration variable frequency condenser group according to claim 3, which is characterized in that the suction filter connects
It is connected to air intake duct, the air intake duct is connected with air-conditioner stop valve II.
5. commercialization freezing and refrigeration variable frequency condenser group according to claim 4, which is characterized in that the import of the refrigerant pipe
Place is connected with charging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074574.7U CN207763285U (en) | 2018-01-17 | 2018-01-17 | Commercial freezing and refrigeration variable frequency condenser group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074574.7U CN207763285U (en) | 2018-01-17 | 2018-01-17 | Commercial freezing and refrigeration variable frequency condenser group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763285U true CN207763285U (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074574.7U Expired - Fee Related CN207763285U (en) | 2018-01-17 | 2018-01-17 | Commercial freezing and refrigeration variable frequency condenser group |
Country Status (1)
| Country | Link |
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| CN (1) | CN207763285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594998A (en) * | 2020-12-28 | 2021-04-02 | 林彩云 | Energy-conserving silence freezer of frequency conversion |
| CN117029899A (en) * | 2023-10-08 | 2023-11-10 | 南通远征冷冻设备有限公司 | Refrigerating equipment instrument debugging system and method |
-
2018
- 2018-01-17 CN CN201820074574.7U patent/CN207763285U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594998A (en) * | 2020-12-28 | 2021-04-02 | 林彩云 | Energy-conserving silence freezer of frequency conversion |
| CN117029899A (en) * | 2023-10-08 | 2023-11-10 | 南通远征冷冻设备有限公司 | Refrigerating equipment instrument debugging system and method |
| CN117029899B (en) * | 2023-10-08 | 2023-12-19 | 南通远征冷冻设备有限公司 | Refrigerating equipment instrument debugging system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20220117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |