CN206207780U - Refrigerating plant - Google Patents
Refrigerating plant Download PDFInfo
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- CN206207780U CN206207780U CN201621175730.6U CN201621175730U CN206207780U CN 206207780 U CN206207780 U CN 206207780U CN 201621175730 U CN201621175730 U CN 201621175730U CN 206207780 U CN206207780 U CN 206207780U
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- air intake
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- refrigerating plant
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Abstract
The utility model discloses a kind of refrigerating plant, including：Compressor, commutation component, outdoor heat exchanger, indoor heat exchanger and flash vessel, compressor includes housing, compression mechanism and by-passing valve, second cylinder is provided with the second air intake passage and the 3rd air intake passage, interface channel is connected between second air intake passage and the 3rd air intake passage, by-passing valve is used to control interface channel break-make, the interior side port of by-passing valve is connected with the cylinder chamber of the second cylinder, the exterior side port of by-passing valve is connected by valve component with two connecting lines switchings, one of connecting line is connected with blast pipe, another connecting line is connected with the first air intake duct or the second air intake duct；Flash vessel is provided with first interface, second interface and gas interface, and gas interface is connected with the second air intake duct.According to refrigerating plant of the present utility model, the heat exchange efficiency of evaporator can be improved, meet low-temperature heating demand, improve the efficiency of refrigerating plant.
Description
Technical field
The utility model is related to refrigerating field, more particularly, to a kind of refrigerating plant.
Background technology
In the winter time because indoor/outdoor temperature-difference is big, heating capacity will significantly decay air-conditioning system at low ambient temperatures, it is impossible to
Reach the demand of user's calorific requirement.Reason is as follows：First：Under low temperature environment, refrigerant density is smaller at compressor air suction mouthful, leads
The reduction of refrigerant soakage is caused, and then influences the heating capacity of air-conditioning system.Second：Because indoor/outdoor temperature-difference is larger, air-conditioning system
Evaporating temperature and condensation temperature most diverse, meeting shwoot goes out a large amount of gases after throttling, causes refrigerant between evaporator difference stream
Maldistribution, influences evaporator heat exchange efficiency, simultaneously because the heat that these flash gas enter evaporator absorption is smaller, and
Tie up evaporator pipeline space but very big, pipeline very high surface area is lost the function of liquid conductive, further have impact on evaporation
The heat exchange efficiency of device.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
With a kind of refrigerating plant of new proposition, the heat exchange efficiency of evaporator can be improved, while low-temperature heating demand can be met, improved
The efficiency of refrigerating plant.
According to the refrigerating plant of the utility model embodiment, including：Compressor, the compressor includes housing, compressor
Structure and by-passing valve, the housing are provided with blast pipe, the first air intake duct and the second air intake duct, and the compression mechanism is located at the shell
In vivo, the compression mechanism includes the first cylinder and the second cylinder, the first air intake passage of first cylinder and described first
Air intake duct is connected, and second cylinder is provided with the second air intake passage and the 3rd air intake passage, second air intake passage with it is described
Second air intake duct is connected, and interface channel, the bypass are connected between second air intake passage and the 3rd air intake passage
Valve is used to control the interface channel break-make, and the interior side port of the by-passing valve is connected with the cylinder chamber of second cylinder, institute
State the exterior side port of by-passing valve to be connected with two connecting lines switchings by valve component, one of them described connecting line and institute
State blast pipe to be connected, another described connecting line is connected with first air intake duct or second air intake duct；Commutation component,
The commutation component includes the first valve port to the 4th valve port, and first valve port is connected with the blast pipe, the 4th valve port
It is connected with first air intake duct；Outdoor heat exchanger and indoor heat exchanger, the outdoor heat exchanger are connected with the second valve port, described
Indoor heat exchanger is connected with the 3rd valve port；Flash vessel, the flash vessel is provided with first interface, second interface and gas interface, institute
State and first throttle element is connected between first interface and the outdoor heat exchanger, the second interface and the indoor heat exchanger
Between be connected with the second restricting element, the gas interface is connected with second air intake duct.
According to the refrigerating plant of the utility model embodiment, the heat exchange efficiency of evaporator can be not only improved, while can be with
Meet low-temperature heating demand, improve the efficiency of refrigerating plant.
Preferably, the valve component is triple valve.
Preferably, the commutation component is four-way valve.
Alternatively, the first throttle element is electric expansion valve.
Alternatively, second restricting element is electric expansion valve.
In specific embodiment of the utility model, refrigerant used by the refrigerating plant is in HCFC, HFC, HC, HFO
The mixture of any one or more refrigerant.
Brief description of the drawings
Fig. 1 is the schematic diagram of the refrigerating plant according to the utility model embodiment；
Fig. 2 is the schematic diagram of the compression mechanism of the compressor according to the utility model embodiment；
Fig. 3 is the second cylinder and piston and the cooperation schematic diagram of slide plate according to the utility model embodiment, wherein bypassing
Valve is closed；
Fig. 4 is the second cylinder and piston and the cooperation schematic diagram of slide plate according to the utility model embodiment, wherein bypassing
Valve is in open mode.
Reference：
Compressor 100,
Blast pipe 10, the first air intake duct 11, the second air intake duct 12,
Compression mechanism 2, the first cylinder 20, the second cylinder 21, the second air intake passage 210, the 3rd air intake passage 211, connection
Passage 22,
By-passing valve 3, piston 4, slide plate 5, bent axle 6,
Refrigerating plant 1000, outdoor heat exchanger 200, indoor heat exchanger 300, flash vessel 400, first interface a, second interface
B, gas interface c, first throttle element 500, the second restricting element 600,
Commutation component 700, the first valve port e, the second valve port f, the 3rd valve port g, the 4th valve port h.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
The refrigerating plant 1000 according to the utility model embodiment, refrigerating plant are described in detail below with reference to Fig. 1-Fig. 4
1000 have refrigeration mode and heating mode.Specifically, refrigerant used by refrigerating plant 1000 is appointing in HCFC, HFC, HC, HFO
Anticipate the mixture of one or more refrigerants.
As Figure 1-Figure 4, the refrigerating plant 1000 according to the utility model embodiment, including：Compressor 100, commutation
Component 700, outdoor heat exchanger 200, indoor heat exchanger 300 and flash vessel 400.Wherein compressor 100 includes housing, compression mechanism
2 and by-passing valve 3, housing is provided with blast pipe 10, the first air intake duct 11 and the second air intake duct 12.
Compression mechanism 2 is located in housing, and compression mechanism 2 includes the first cylinder 20 and the second cylinder 21, the first cylinder 20
First air intake passage is connected with the first air intake duct 11, and the second cylinder 21 is provided with the second air intake passage 210 and the 3rd air intake passage
211, the second air intake passage 210 is connected with the second air intake duct 12, is connected between the second air intake passage 210 and the 3rd air intake passage 211
It is connected to interface channel 22.It is understood that compression mechanism 2 also includes the elements, compressor 100 such as bent axle 6, piston 4 and slide plate 5
The element also including motor etc., the rotor of motor is located on bent axle 6 to drive bent axle 6 to rotate, in the cylinder chamber of the first cylinder 20 and
Piston 4 is respectively equipped with the cylinder chamber of the second cylinder 21, each piston 4 coordinates with slide plate 5, two pistons 4 are enclosed within song outward respectively
On axle 6 rotation is driven with by bent axle 6.
By-passing valve 3 is used to control the break-make of interface channel 22, that is to say, that by-passing valve 3 can control interface channel 22 to turn on,
Now the second air intake passage 210 is connected with the 3rd air intake passage 211 by interface channel 22；By-passing valve 3 can also control connection
Passage 22 is closed, and not on-state is now between the second air intake passage 210 and the 3rd air intake passage 211.
The interior side port of by-passing valve 3 is connected with the cylinder chamber of the second cylinder 21, and the exterior side port of by-passing valve 3 passes through valve body group
Part is connected with two connecting line switchings, and one of connecting line is connected with blast pipe 10, another connecting line and first
The air intake duct 12 of air intake duct 11 or second is connected.Specifically, the pressure of the interior side port of by-passing valve 3 is the cylinder of the second cylinder 21
The pressure in chamber, the pressure of the exterior side port of by-passing valve 3 can switch to pressure at expulsion or switch to the pressure of inspiration(Pi) of the first cylinder 20
The pressure of inspiration(Pi) of the second air intake passage 210 of power or the second cylinder 21.
When the exterior side port of by-passing valve 3 is connected with blast pipe 10, i.e. the pressure of the exterior side port of by-passing valve 3 switches to row
During atmospheric pressure, due to the pressure of the pressure more than interior side port of the exterior side port of by-passing valve 3, so that by-passing valve 3 is in closes shape
State, i.e. interface channel 22 are closed.Inhaled with the first air intake duct 11 or second when the exterior side port of by-passing valve 3 is switched to
When tracheae 12 is connected, i.e. the pressure of the exterior side port of by-passing valve 3 switches to the pressure of inspiration(Pi) or the second cylinder of the first cylinder 20
During the pressure of inspiration(Pi) of 21 the second air intake passage 210, after the piston 4 in the second cylinder 21 turns to certain angle θ, the second gas
Pressure in the cylinder chamber of cylinder 21 more than the exterior side port of by-passing valve 3 pressure so that by-passing valve 3 is opened, now the second air-breathing
The air intake passage 211 of passage 210 and the 3rd is turned on by interface channel 22.So that the control mode of by-passing valve 3 is simple.
Specifically, when by-passing valve 3 controls the second air intake passage 210 and the 3rd air intake passage 211 to connect by interface channel 22
When logical, the part refrigerant in the cylinder chamber of the second cylinder 21 is discharged to the second suction by the 3rd air intake passage 211 and interface channel 22
Gas passage 210, that is to say, that the part in cylinder chamber can be heavy from after the discharge of the 3rd air intake passage 211 through the refrigerant of overcompression
Newly it is drawn into the cylinder chamber of the second cylinder 21 from the second air intake passage 210, in short, being drawn into from the second air intake passage 210
A part in refrigerant in the cylinder chamber of the second cylinder 21 can be drawn into the second cylinder 21 from the second air intake passage 210 again
In cylinder chamber, so as to when interface channel 22 is turned on, the inspiratory capacity of the second air intake duct 12 of compressor 100 can be reduced.
Outdoor heat exchanger 200 is connected with the second valve port f, and indoor heat exchanger 300 is connected with the 3rd valve port g.Flash vessel 400 sets
There are first interface a, second interface b and gas interface c, first throttle unit is connected between first interface a and outdoor heat exchanger 200
Part 500, is connected with the second restricting element 600, gas interface c and the second air intake duct between second interface b and indoor heat exchanger 300
12 are connected.Alternatively, first throttle element 500 is electric expansion valve, and the second restricting element 600 is electric expansion valve.
When refrigerating plant 1000 is in refrigeration mode, the first valve port e is connected and the 3rd valve port g and the 4th with the second valve port f
Valve port h is connected, from the discharge of the first cylinder 20 through the refrigerant after overcompression and from the discharge of the second cylinder 21 after overcompression
Refrigerant is discharged in outdoor heat exchanger 200 by commutation component 700 from blast pipe 10 and carries out condensation radiating, from outdoor heat exchanger
The refrigerant of 200 discharges is carried out by being drained into flash vessel 400 from first interface a after the reducing pressure by regulating flow of first throttle element 500
Gas-liquid separation, gaseous coolant is drained into the second cylinder 21 from gas interface c and the second air intake duct 12 and is compressed, liquid refrigerants
Discharged from second interface b and be evaporated by being drained into indoor heat exchanger 300 after the reducing pressure by regulating flow of the second restricting element 600
Heat absorption, is drained into the first cylinder 20 from the refrigerant of the discharge of indoor heat exchanger 300 by the air intake duct 11 of component 700 and first that commutates
It is compressed, so repeats.It follows that during refrigeration, outdoor heat exchanger 200 is condenser, indoor heat exchanger 300 is evaporation
Device.
When refrigerating plant 1000 is in heating mode, the first valve port e is connected and the second valve port f and the 4th with the 3rd valve port g
Valve port h connect, the first cylinder 20 discharge through the refrigerant after overcompression and from the second cylinder 21 discharge through cold after overcompression
Matchmaker is discharged in indoor heat exchanger 300 by commutation component 700 from blast pipe 10 and carries out condensation radiating, from indoor heat exchanger 300
The refrigerant of discharge carries out gas-liquid by being drained into flash vessel 400 from second interface b after the reducing pressure by regulating flow of the second restricting element 600
Separate, gaseous coolant is drained into the second cylinder 21 from gas interface c and the second air intake duct 12 and is compressed, liquid refrigerants is from the
One interface a is discharged and suction is evaporated in being drained into outdoor heat exchanger 200 after the reducing pressure by regulating flow of first throttle element 500
Heat, is drained into the first cylinder 20 from the refrigerant of the discharge of outdoor heat exchanger 200 by the air intake duct 11 of component 700 and first that commutates
Row compression, so repeats.It follows that when heating, indoor heat exchanger 300 is condenser, outdoor heat exchanger 200 is evaporator.
From upper analysis, refrigerating plant 1000, can be in flash vessel 400 points in refrigeration mode and heating mode
The saturated vapor for coming is separated out to extract and be compressed using the second cylinder 21.When the saturated vapor in flash vessel 400 is by the second gas
After cylinder 21 extracts compression, the fractional saturation steam pressure can be prevented to be further reduced to evaporating pressure, directly the part is satisfied
With both vapor compression to pressure at expulsion, such that it is able to save the power consumption of compressor 100, in addition after the fractional saturation steam extraction make
For the quantity of steam of evaporator can be reduced, the heat transfer effect of evaporator can be improved, realize the lifting of air-conditioning system efficiency.
Wherein refrigerating plant 1000 has two mode of operations, and mode of operation one is the pressure of the exterior side port of by-passing valve 3
It is pressure at expulsion, by-passing valve 3 is closed, now the interface channel 22 of the second air intake passage 210 and the 3rd air intake passage 211 cannot be returned
Gas, i.e., after piston 4 turns over certain angle θ, the pressure of the cylinder chamber of the second cylinder 21 leads to compared with the second air-breathing of the second cylinder 21
The pressure of road 210 can rise, but also be not enough to open by-passing valve 3, pressure of inspiration(Pi) of the second air intake passage 210 of the second cylinder 21 etc.
In the pressure of the gas interface c of flash vessel 400.Now the swept volume of the second cylinder 21 is maximum, i.e., from the second air intake passage 210
The gas that suction is come in is discharged after being all compressed into pressure at expulsion from the exhaust outlet of the second cylinder 21.
Mode of operation two switches to the pressure of inspiration(Pi) or second of the first cylinder 20 for the pressure of the exterior side port of by-passing valve 3
The pressure of inspiration(Pi) of the second air intake passage 210 of cylinder 21, after piston 4 turns over certain angle θ, the cylinder chamber of the second cylinder 21
Pressure can rise compared with the pressure of the second air intake passage 210 of the second cylinder 21, then by-passing valve 3 is opened, now the second air intake passage
210 and the 3rd air intake passage 211 interface channel 22 can with return-air, i.e., from the second air intake passage 210 suction come in gas portion
Branch is back to the second air intake passage 210 from the 3rd air intake passage 211 and interface channel 22, then the second cylinder under the working condition
21 compression gas flows than interface channel 22 cannot return-air when it is few.With should piston 4 rotate a circle work a cycle when, even
Connect road 22 cannot return-air when the gas flow that is extracted from flash vessel 400 of the second cylinder 21 when being significantly greater than 22 return-air of interface channel
The gas flow that second cylinder 21 is extracted from flash vessel 400.
From upper analysis, can the design of the swept volume of the second cylinder 21 is bigger than normal, to solve in current industry
Heating capacity not enough phenomenon when refrigerating plant is heated, while the efficiency of air-conditioning system can be taken into account again.
It is required when the structure of second cylinder 21 is according to its heating condition of such as air-conditioning system of refrigerating plant 1000 for being matched
Heating capacity, the swept volume the second cylinder 21 in mode of operation once is dimensioned to meet the demand of heating capacity.Therefore
Once, the operation of refrigerating plant 1000 can reach maximum heating capacity to mode of operation, consumer's use demand be met, while the second gas
Cylinder 21 has the substantial amounts of saturated vapor of extraction to be compressed from flash vessel 400, it is therefore prevented that the fractional saturation steam pressure is further
Reduce.The power consumption of compressor 100 finally is saved, while the heat exchange efficiency for improving evaporator by a larger margin, improves air-conditioning
The efficiency of system.
And when 1000 refrigerating operaton of refrigerating plant, when especially with minimum refrigeration low-frequency operation, the gas worked in system
The scale of construction need not be so much, then the second cylinder 21 uses mode of operation two, and fractional saturation steam is back to by interface channel 22
In second air intake passage 210, the gas flow of the compression of the second cylinder 21 reduces then corresponding inspiratory capacity and reduces, then in flash vessel 400
The saturated vapor amount isolated also reduce therewith, can be entered by adjusting the restricting element 600 of first throttle element 500 and second
Row realizes reducing the purpose of the saturated vapor amount isolated in flash vessel 400.Can as compressor 100 in mode of operation two
It is compressed with extracting saturated vapor, it is also possible to reduce evaporator front end inlet quantity of steam, realizes that heat exchange efficiency is improved, it is final big
Amplitude improves the purpose of air-conditioning efficiency.That is, the refrigerating plant 1000 according to the utility model embodiment, flash vessel 400
In pressure can be controlled by the restricting element 600 of first throttle element 500 and second, can according to design needs go adjust
Saturated vapor separating pressure in the working condition of the second cylinder 21 of seamless shrinking structure 2 and therewith regulation flash vessel 400 reaches
To the purpose and demand of system operation.
Refrigerating plant 1000 according to the utility model embodiment, can not only improve the heat exchange efficiency of evaporator, while
Low-temperature heating demand can be met, the efficiency of refrigerating plant 1000 is improved.
In preferred embodiment of the present utility model, valve component is triple valve, three ports of triple valve respectively with side
The exterior side port of port valve 3 and two connecting lines are connected, threeway valve events with control by-passing valve 3 exterior side port and one of them
Connecting line is connected, so that the simple structure of valve component.Of course, it should be understood that valve component can also be being located at
Two valve bodies on two connecting lines, by control one of valve body open exterior side port to control by-passing valve 3 and its
In the connection of connecting line.
In specific embodiment of the utility model, commutation component 700 is four-way valve, so that refrigerating plant 1000
Simple structure.Of course, it should be understood that the structure not limited to this of commutation component 700, for example commutating component 700 can be by multiple
Control valve group is into as long as commutation component 700 has the first valve port h of valve port e to the 4th and can realize commutation.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
1. a kind of refrigerating plant, it is characterised in that including：
Compressor, the compressor includes housing, compression mechanism and by-passing valve, and the housing is provided with blast pipe, the first air-breathing
Pipe and the second air intake duct, the compression mechanism are located in the housing, and the compression mechanism includes the first cylinder and the second cylinder,
First air intake passage of first cylinder is connected with first air intake duct, second cylinder be provided with the second air intake passage and
3rd air intake passage, second air intake passage is connected with second air intake duct, second air intake passage and the described 3rd
Be connected with interface channel between air intake passage, the by-passing valve is used to controlling the interface channel break-make, the by-passing valve it is interior
Side ports are connected with the cylinder chamber of second cylinder, and the exterior side port of the by-passing valve passes through valve component and two connecting tubes
Road switching connection, one of them described connecting line is connected with the blast pipe, another described connecting line and described first
Air intake duct or second air intake duct are connected；
Commutation component, the commutation component includes the first valve port to the 4th valve port, and first valve port is connected with the blast pipe,
4th valve port is connected with first air intake duct；
Outdoor heat exchanger and indoor heat exchanger, the outdoor heat exchanger are connected with the second valve port, the indoor heat exchanger and the 3rd
Valve port is connected；
Flash vessel, the flash vessel is provided with first interface, second interface and gas interface, and the first interface is changed with the outdoor
First throttle element is connected between hot device, the second throttling unit is connected between the second interface and the indoor heat exchanger
Part, the gas interface is connected with second air intake duct.
2. refrigerating plant according to claim 1, it is characterised in that the valve component is triple valve.
3. refrigerating plant according to claim 1, it is characterised in that the commutation component is four-way valve.
4. refrigerating plant according to claim 1, it is characterised in that the first throttle element is electric expansion valve.
5. refrigerating plant according to claim 1, it is characterised in that second restricting element is electric expansion valve.
6. the refrigerating plant according to any one of claim 1-5, it is characterised in that refrigerant used by the refrigerating plant is
In HCFC, HFC, HC, HFO any one or more refrigerant mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175730.6U CN206207780U (en) | 2016-10-26 | 2016-10-26 | Refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175730.6U CN206207780U (en) | 2016-10-26 | 2016-10-26 | Refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206207780U true CN206207780U (en) | 2017-05-31 |
Family
ID=58758221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175730.6U Withdrawn - After Issue CN206207780U (en) | 2016-10-26 | 2016-10-26 | Refrigerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206207780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369863A (en) * | 2016-10-26 | 2017-02-01 | 广东美芝制冷设备有限公司 | Refrigerating device |
-
2016
- 2016-10-26 CN CN201621175730.6U patent/CN206207780U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369863A (en) * | 2016-10-26 | 2017-02-01 | 广东美芝制冷设备有限公司 | Refrigerating device |
| CN106369863B (en) * | 2016-10-26 | 2022-01-04 | 广东美芝制冷设备有限公司 | Refrigerating device |
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| AV01 | Patent right actively abandoned | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170531 Effective date of abandoning: 20220104 |
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Granted publication date: 20170531 Effective date of abandoning: 20220104 |