CN207688467U - Heat-exchanger rig and air conditioner - Google Patents
Heat-exchanger rig and air conditioner Download PDFInfo
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- CN207688467U CN207688467U CN201721632843.9U CN201721632843U CN207688467U CN 207688467 U CN207688467 U CN 207688467U CN 201721632843 U CN201721632843 U CN 201721632843U CN 207688467 U CN207688467 U CN 207688467U
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Abstract
The utility model discloses a kind of heat-exchanger rig and air conditioner, wherein the heat-exchanger rig includes outdoor heat exchanger, gas-liquid separator and control valve；The gas-liquid separator is equipped with entrance, gas outlet and liquid outlet, and one end of the outdoor heat exchanger with compressor for connecting, and the other end of the outdoor heat exchanger with restricting element for connecting；The liquid outlet of the entrance of the gas-liquid separator and the gas-liquid separator is connect with the outdoor heat exchanger respectively, and the gas outlet of the gas-liquid separator is connect with the control valve into end interface, and the end interface that goes out of the control valve is connect with the compressor.The technical solution of the utility model can not only be effectively prevented compressor liquid hammer, moreover it is possible to effectively improve the utilization rate of refrigerant and the heat exchange efficiency of evaporator.
Description
Technical field
The utility model is related to air-conditioning technical field more particularly to a kind of heat-exchanger rigs and air conditioner.
Background technology
For the environmental pollution for coping with increasingly serious, in north of China, " matchmaker changes electricity " is brought into schedule.And " matchmaker changes electricity " is most heavy
The link wanted is to reduce the two of coal burning discharge in such a way that air conditioner heat-production heating replaces traditional briquette boiler central heating
Carbon oxide gas and solid-state dust.But air conditioner heating is because its heat efficiency is relatively low, is the heating system of a kind of " uneconomical ",
Thus improving air conditioner heat-production efficiency becomes one of the important measures of promotion " matchmaker changes electricity ".
Currently, under SPLIT AIR-CONDITIONING SYSTEM heating mode, outdoor heat exchanger is as evaporator at this time, when refrigerant flow to steaming
When sending out in the middle part of device, refrigerant is in gas-liquid two-phase state.Its flow resistance of gaseous coolant increases so that refrigerant pressure drop increases, gaseous coolant
Heat transfer effect is very poor；Further, the liquid coolant of evaporation is not had to return to compressor and compressed in evaporator, not due to liquid
Compressible characteristic, and " liquid hammer " failure that compressor will be caused.
Therefore, it is necessary to provide a kind of new heat-exchanger rig and air conditioner to solve above-mentioned technical problem.
Utility model content
The main purpose of the utility model is to provide a kind of heat-exchanger rig and air conditioner, it is intended to solve air conditioner and make
Heat transfer effect difference and the problem of compressor liquid hammer in journey.
To achieve the above object, the utility model proposes a kind of heat-exchanger rig, the heat-exchanger rig includes outdoor heat exchange
Device, gas-liquid separator and control valve；The gas-liquid separator is equipped with entrance, gas outlet and liquid outlet, the outdoor heat exchanger
One end with compressor for connecting, and the other end of the outdoor heat exchanger with restricting element for connecting；The gas-liquid separator
Entrance and the liquid outlet of the gas-liquid separator connect respectively with the outdoor heat exchanger, the gas outlet of the gas-liquid separator
It is connect with the compressor with the end interface that goes out of being connect into end interface for the control valve, the control valve.
Preferably, the entrance of the gas-liquid separator and one end of the close compressor of the outdoor heat exchanger connect
Logical, the liquid outlet of the gas-liquid separator is connected to the outdoor heat exchanger close to one end of the restricting element.
Preferably, the outdoor heat exchanger includes the first pipeline and the second pipeline, the entrance of the gas-liquid separator and institute
The second end connection of the first pipeline is stated, the liquid outlet of the gas-liquid separator is connect with the first end of second pipeline, described
The first end of first pipeline is connect with the restricting element, and the second end of second pipeline is connect with the compressor.
Preferably, the heat-exchanger rig further includes heat exchanger, and the heat exchanger is set to the gas-liquid separator
On the connecting line of gas outlet and the compressor.
Preferably, the heat-exchanger rig further includes check valve, and the check valve is set to the outlet of the gas-liquid separator
Mouth allows the refrigerant flowed out through the gas outlet to flow to the compressor on the connecting line of the compressor.
Preferably, the check valve is arranged close to the compressor, and the control valve is arranged close to the gas outlet, described
Heat exchanger is set to the centre of the check valve and the control valve.
Preferably, the gas outlet for the connecting pipeline and the gas-liquid separator that outdoor heat exchanger is connected to the compressor connects
The connecting line of the compressor is connected in the interconnected merging in junction.
Preferably, the control valve is solenoid valve.
Preferably, the heat-exchanger rig further includes controller, and the controller controls the aperture of the solenoid valve.
In addition, the utility model also proposed a kind of air conditioner, the air conditioner includes heat-exchanger rig as described above
And compressor, reversal valve, indoor heat exchanger and the restricting element being connected by circulation successively, the heat exchanger are equipped with first entrance
End, be connected to the first entrance end first exit end, second entrance end and and the second entrance end be connected to second
Outlet end, the first entrance end are connect with the gas outlet, and the first exit end is connect with the compressor, and described second
Arrival end is connect with the indoor heat exchanger, and the second outlet end is connect with the restricting element.
In the technical solution of the utility model, gas-liquid point is set on the connecting line between outdoor heat exchanger and compressor
From device, unevaporated liquid refrigerants in outdoor heat exchanger is separated with the gaseous coolant evaporated by gas-liquid separator,
The failure that compressor generates liquid hammer can be effectively prevented；In addition, the liquid refrigerants separated is sent back to using gas-liquid separator
To outdoor heat exchanger, further evaporation endothermic is carried out, can effectively improve the heat exchange efficiency of the utilization rate and evaporator of refrigerant.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the refrigeration mode schematic diagram of the air conditioner of one embodiment of the utility model；
Fig. 2 is the heating mode schematic diagram of the air conditioner in Fig. 1 embodiments；
Fig. 3 is the refrigeration mode schematic diagram of the air conditioner of another embodiment of the utility model；
Fig. 4 is the heating mode schematic diagram of the air conditioner in Fig. 3 embodiments；
Fig. 5 is the structural schematic diagram of the outdoor heat exchanger in Fig. 3.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 110 | Outdoor heat exchanger | 150 | Check valve |
| 111 | First pipeline | 160 | First control element |
| 112 | Second pipeline | 170 | Second control element |
| 120 | Gas-liquid separator | 180 | Junction |
| 121 | Entrance | 200 | Air conditioner |
| 122 | Liquid outlet | 210 | Compressor |
| 123 | Gas outlet | 220 | Reversal valve |
| 130 | Control valve | 230 | Indoor heat exchanger |
| 140 | Heat exchanger | 240 | Restricting element |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
Also, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of heat-exchanger rig, it is intended to solve air conditioner heat transfer effect difference and compressor during processed
The problem of liquid hammer.
As shown in Figures 1 to 4, a kind of heat-exchanger rig provided by the utility model, heat-exchanger rig include outdoor heat exchanger
110, gas-liquid separator 120 and control valve 130 are provided with entrance 121, gas outlet 123 and liquid outlet on gas-liquid separator 120
122.When the refrigerant of gas-liquid mixed is from the entrance 121 of gas-liquid separator 120 into fashionable, by the internal junction of gas-liquid separator 120
The effect of structure makes gaseous coolant be detached with liquid refrigerants, and in the case where gas outlet 123 and liquid outlet 122 are both turned on, gas
State refrigerant can flow out gas-liquid separator 120 from gas outlet 123 and liquid outlet 122 respectively with liquid refrigerants.Outdoor heat exchanger 110
One end connect with compressor 210, the other end of outdoor heat exchanger 110 is connect with restricting element 240.Gas-liquid separator 120
The liquid outlet 122 of entrance 121 and gas-liquid separator 120 is connect with outdoor heat exchanger 110 respectively, the outlet of gas-liquid separator 120
Mouth 123 is connect with control valve 130 into end interface, and the end interface that goes out of control valve 130 is connect with compressor 210.
When in heating mode, gas-liquid point is set on the connecting line between outdoor heat exchanger 110 and compressor 210
From device 120, by gas-liquid separator 120 by unevaporated liquid refrigerants in outdoor heat exchanger 110 and the gaseous coolant evaporated
It separates, at this point, control valve 130 is opened, gaseous coolant flows out through gas outlet 123 and return to compressor 210, liquid refrigerants warp
Liquid outlet 122 flows back into outdoor heat exchanger 110 and is evaporated heat absorption again, on the one hand makes the refrigerant stream in outdoor heat exchanger 110
Dynamic resistance reduces, and pressure difference reduces, and 210 wasted work of compressor reduces；On the other hand compressor 210 can effectively be avoided to generate the event of liquid hammer
Barrier.In addition, returning to outdoor heat exchanger 110 using the liquid refrigerants that gas-liquid separator 120 is separated, further steamed
Hair heat absorption, can effectively improve the heat exchange efficiency of the utilization rate and evaporator of refrigerant.
In one embodiment, referring to Fig. 1 and Fig. 2, the entrance 121 of gas-liquid separator 120 and outdoor heat exchanger 110 is close
One end of compressor 210 is connected to, the liquid outlet 122 of gas-liquid separator 120 and the close restricting element 240 of outdoor heat exchanger 110
One end connection, the gas outlet 123 of gas-liquid separator 120 and being connect into end interface for control valve 130, the outlet of control valve 130
Interface is connect with compressor 210.When in heating mode, when refrigerant after outdoor heat exchanger 110 is evaporated heat absorption from gas-liquid
The entrance 121 of separator 120 enters, and the effect by the internal structure of gas-liquid separator 120 so that gaseous coolant is cold with liquid
Matchmaker detaches.Control valve 130 is opened at this time, and gaseous coolant returns to compressor 210 after control valve 130, and liquid refrigerants is then from gas-liquid
The liquid outlet 122 of separator 120 flows back into outdoor heat exchanger 110 and re-starts evaporation endothermic.In the above-described embodiments, gas-liquid point
Liquid outlet 122 from device 120 can also be connect with the inside middle of the outdoor heat exchanger 110.
Further, referring again to Fig. 1 and Fig. 2, in the company of the entrance 121 and indoor heat exchanger 230 of gas-liquid separator 120
It takes between road and is provided with the first control element 160.When in refrigeration mode, control valve 130 and the first control element 160 are
It closes, enters gas by gas outlet 123 and entrance 121 respectively to avoid the refrigerant for flowing to outdoor heat exchanger 110 from compressor 210
After liquid/gas separator 120, the liquid outlet 122 through gas-liquid separator 120 flows out to restricting element 240, so as to cause outdoor heat exchanger
110 is bypassed, and the refrigerant come out from compressor 210 cannot effectively carry out heat release.Meanwhile first control element 160 can be with
It is arranged on the liquid outlet 122 of gas-liquid separator 120 and the connecting line of outdoor heat exchanger 110.Further, in order to effective
210 liquid hammer of compressor is prevented, the second control element is provided on the connecting line of outdoor heat exchanger 110 and compressor 210
170, when in refrigeration mode, the connecting tube between outdoor heat exchanger 110 and compressor 210 is connected in the second control element 170
Road, when in heating mode, the second control element 170 ends the connecting tube between outdoor heat exchanger 110 and compressor 210
Road.It should be noted that the first control element 160 can be solenoid valve or hydraulic valve etc., the second control element 170 can be electricity
Magnet valve, hydraulic valve or check valve 150 etc..
In preferred embodiment, referring to Fig. 3 to Fig. 5, outdoor heat exchanger 110 includes the first pipeline 111 and the second pipeline
112, the entrance 121 of gas-liquid separator 120 is connect with the second end of the first pipeline 111, the liquid outlet 122 of gas-liquid separator 120
It is connect with the first end of the second pipeline 112, the first end of the first pipeline 111 is connect with restricting element 240, the second pipeline 112
Second end is connect with compressor 210.When in heating mode, control valve 130 is opened, the gas after the throttling of restricting element 240
The refrigerant of liquid mixing is evaporated heat absorption from the first end of the first pipeline 111 of outdoor heat exchanger 110 into the first pipeline 111.
The evaporation of operative liquid refrigerant heat absorption at this time forms gaseous coolant, since being continuously increased for gaseous coolant causes refrigerant in outdoor heat exchange
The flow resistance of first pipeline 111 of device 110 is increasing, and the refrigerant of gas-liquid mixed enters from the second end of the first pipeline 111
The entrance 121 of gas-liquid separator 120, after the effect of gas-liquid separator 120, gaseous coolant is detached with liquid refrigerants, and point
Gas-liquid separator 120 is not flowed out by gas outlet 123 and liquid outlet 122.The gaseous coolant flowed out through gas outlet 123 is through control valve
Compressor 210 is returned to after 130, first end of the liquid refrigerants through the second pipeline 112 flowed out through liquid outlet 122 enters the second pipeline
Again evaporation endothermic after 112, can so make full use of liquid refrigerants, improve the utilization rate of refrigerant, without being separately provided again
The devices such as flash vessel are evaporated liquid refrigerants, conducive to cost is reduced.When in refrigeration mode, control valve 130 is closed, this
When from compressor 210 flow out second pipeline 112 of the refrigerant through outdoor heat exchanger 110 second end flow into, through the second pipeline 112
The liquid outlet 122 through gas-liquid separator 120 enters gas-liquid separator 120 after cooling heat release, since control valve 130 is closed, outlet
Mouth 123 is ended, therefore refrigerant can only be flowed out through the entrance 121 of gas-liquid separator 120 and the second end through the first pipeline 111 reach
First pipeline 111 carries out cooling heat release.
Further, referring again to Fig. 3 and Fig. 4, heat-exchanger rig further includes heat exchanger 140, and heat exchanger 140 is set to
On the gas outlet 123 of gas-liquid separator 120 and the connecting tube of compressor 210.Heat exchanger 140 is flowed for making from gas outlet 123
The gaseous coolant gone out absorbs heat to improve the temperature of gaseous coolant.Further, heat-exchanger rig further includes check valve 150,
It is unidirectionally set on the gas outlet 123 of gas-liquid separator 120 and the connecting tube of compressor 210, to allow to flow out through gas outlet 123
Refrigerant flow to the compressor 210.In other embodiments, solenoid valve or single-pass solenoid valve etc. can also be used to substitute check valve
150, as long as ensureing that the gaseous coolant flowed out from gas outlet 123 can flow to compressor 210, and the refrigerant from compressor 210 cannot
Gas-liquid separator 120 is flowed into through gas outlet 123.It should be noted that check valve 150 is arranged close to compressor 210, control
Valve 130 processed is arranged close to gas outlet 123, and heat exchanger 140 is set to the centre of check valve 150 and control valve 130.
In addition, referring to Fig. 3 and Fig. 4, outdoor heat exchanger 110 is connected to the connecting pipeline and gas-liquid separator of compressor 210
120 gas outlet 123 is connected to the connecting line of compressor 210 in the interconnected merging in junction 180.From outdoor heat exchanger
The refrigerant of the low temperature of 110 the second pipeline 112 outflow is with the gaseous coolant of the high temperature through absorbing heat at heat exchanger 140 in junction
When 180 mixing so that the refrigerant temperature of low temperature increases, and to improve 210 suction temperature of compressor and refrigerant mass dryness fraction, prevents
" liquid hammer ", to improve the reliability of system.
It should be noted that 130 preferred solenoid valve of control valve, can also be hydraulic valve, pneumatic operated valve etc..In addition, heat exchange dress
It further includes controller (not shown) to set, and controller is connect with solenoid valve, the aperture for controlling solenoid valve.Heating mode
Under, because system is when different frequency is run, refrigerant circulation is different, then it is different in 110 evaporation capacity of outdoor heat exchanger, control valve
130 aperture directly affects system heating performance.Frequency in compressor 210 is too small, and refrigerant circulation is smaller, room
110 evaporation capacity of external heat exchanger is smaller, if electromagnetism valve opening is excessive, liquid refrigerants quilt is easy to happen at gas-liquid separator 120
" suction " goes out, and to reduce evaporation capacity, influences heating effect, so when medium-high frequency is run, electromagnetism valve opening is gradually increased；And
When low-frequency operation, electromagnetism valve opening reduces, and is even switched off, in order to avoid influencing evaporation effect, reduces system heating capacity.
In addition, a kind of air conditioner 200 provided by the utility model, referring to Fig. 1 to Fig. 4, air conditioner 200 includes such as above-mentioned institute
The heat-exchanger rig stated and successively compressor 210 connected in sequence, reversal valve 220, indoor heat exchanger 230 and restricting element 240.
Heat exchanger 140 be equipped with 121 end of first entrance, the first exit end being connected to 121 end of first entrance, 121 end of second entrance with
And the second outlet end being connected to 121 end of second entrance, 121 end of the first entrance are connect with the gas outlet 123, described
One outlet end is connect with the compressor 210, and 121 end of the second entrance is connect with the indoor heat exchanger 230, and described second
Outlet end is connect with the restricting element 240.Wherein, 220 preferred four-way reversing valve 220 of reversal valve, reversal valve 220 have a, b,
C, tetra- interfaces of d, wherein a interfaces be connected with d interfaces can connect compressor 210 and indoor heat exchanger 230, c interfaces lead with b interfaces
It is logical can connect compressor 210 and heat-exchanger rig, constitute heating circulation loop；Wherein, a interfaces and the conducting of b interfaces can connect compression
Machine 210 and heat-exchanger rig, c interfaces be connected with d interfaces can connect compressor 210 and indoor heat exchanger 230, constitute refrigeration cycle and return
Road.In addition, restricting element 240 can be the component with throttling action such as throttle valve or expansion valve.
When air conditioner 200 is in refrigeration mode, control valve 130 is closed, and refrigerant is cooled down through outdoor heat exchanger 110, outflow
It throttles through restricting element 240 after outdoor heat exchanger 110, inflow heat exchanger 140, at this time without any heat exchange action, refrigerant stream
Enter 230 evaporation endothermic of indoor heat exchanger, flow through reversal valve 220 later, sucked by compressor 210, completes a refrigeration cycle.
When air conditioner 200 is in heating mode, control valve 130 is opened, as refrigerant steams in outdoor heat exchanger 110
Hair, refrigerant mass dryness fraction rise, and gas-liquid two-phase state refrigerant flow resistance increases, and endothermic effect is deteriorated, and refrigerant is through outdoor heat exchanger 110
Gas-liquid separator 120 is flowed into after evaporation endothermic, gaseous coolant is through 130 inflow heat exchanger 140 of control valve, and from indoor heat exchange
Heat exchange occurs for the refrigerant of the medium temperature and medium pressure of device 230 so that the temperature of gaseous coolant is got higher, and the temperature of the refrigerant of medium temperature and medium pressure
It reduces；Liquid refrigerants after the separation of gas-liquid separator 120 flows back to outdoor heat exchanger 110 and continues evaporation endothermic so that outdoor is changed
Refrigerant flow resistance reduces in hot device 110, and pressure drop reduces, and heat transfer effect is promoted.In this way, not only so that the preceding refrigerant degree of supercooling of throttling
Increase, mass dryness fraction reduces, and is conducive to the evaporation effect of refrigerant after raising throttles to improve heating capacity, additionally it is possible to after making heat exchange
The refrigerant for the low temperature that the gaseous coolant of medium temperature is flowed out with outdoor heat exchanger 110 converges so that refrigerant temperature increases, to improve pressure
210 suction temperature of contracting machine and refrigerant mass dryness fraction, prevent " liquid hammer ", improve the reliability of system.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of heat-exchanger rig, the heat-exchanger rig includes outdoor heat exchanger, gas-liquid separator and control valve, which is characterized in that
The gas-liquid separator is equipped with entrance, gas outlet and liquid outlet, and one end of the outdoor heat exchanger with compressor for connecting, institute
The other end of outdoor heat exchanger is stated for being connect with restricting element；The entrance of the gas-liquid separator and the gas-liquid separator
Liquid outlet is connect with the outdoor heat exchanger respectively, and the gas outlet of the gas-liquid separator connects with the control valve into end interface
It connects, the end interface that goes out of the control valve is connect with the compressor.
2. heat-exchanger rig as described in claim 1, which is characterized in that the entrance of the gas-liquid separator and the outdoor heat exchange
Device is connected to close to one end of the compressor, and the liquid outlet of the gas-liquid separator is with the outdoor heat exchanger close to described
One end of restricting element is connected to.
3. heat-exchanger rig as described in claim 1, which is characterized in that the outdoor heat exchanger includes the first pipeline and the second pipe
Road, the entrance of the gas-liquid separator are connect with the second end of first pipeline, the liquid outlet of the gas-liquid separator and institute
The first end connection of the second pipeline is stated, the first end of first pipeline is connect with the restricting element, second pipeline
Second end is connect with the compressor.
4. heat-exchanger rig as claimed in any one of claims 1-3, which is characterized in that the heat-exchanger rig further includes heat exchange
Device, the heat exchanger are set on the gas outlet of the gas-liquid separator and the connecting line of the compressor.
5. heat-exchanger rig as claimed in claim 4, which is characterized in that the heat-exchanger rig further includes check valve, described unidirectional
Valve is set on the gas outlet of the gas-liquid separator and the connecting line of the compressor, to allow to flow out through the gas outlet
Refrigerant flow to the compressor.
6. heat-exchanger rig as claimed in claim 5, which is characterized in that the check valve is arranged close to the compressor, described
Control valve is arranged close to the gas outlet, and the heat exchanger is set to the centre of the check valve and the control valve.
7. heat-exchanger rig as claimed in claim 6, which is characterized in that the outdoor heat exchanger is connected to the company of the compressor
The connecting line that siphunculus road and the gas outlet of the gas-liquid separator are connected to the compressor is interconnected in junction
Merge.
8. heat-exchanger rig as claimed in claim 4, which is characterized in that the control valve is solenoid valve.
9. heat-exchanger rig as claimed in claim 8, which is characterized in that the heat-exchanger rig further includes controller, the control
Device controls the aperture of the solenoid valve.
10. a kind of air conditioner, which is characterized in that the air conditioner includes the heat exchange dress as described in any one of claim 4-9
Compressor, reversal valve, indoor heat exchanger and the restricting element set and be connected by circulation successively, the heat exchanger enter equipped with first
Mouthful end, the first exit end being connected to the first entrance end, second entrance end and be connected to the second entrance end the
Two outlet ends, the first entrance end are connect with the gas outlet, and the first exit end is connect with the compressor, and described
Two arrival ends are connect with the indoor heat exchanger, and the second outlet end is connect with the restricting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632843.9U CN207688467U (en) | 2017-11-29 | 2017-11-29 | Heat-exchanger rig and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632843.9U CN207688467U (en) | 2017-11-29 | 2017-11-29 | Heat-exchanger rig and air conditioner |
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| Publication Number | Publication Date |
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| CN207688467U true CN207688467U (en) | 2018-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830659A (en) * | 2017-11-29 | 2018-03-23 | 芜湖美智空调设备有限公司 | Heat-exchanger rig and air conditioner |
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2017
- 2017-11-29 CN CN201721632843.9U patent/CN207688467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830659A (en) * | 2017-11-29 | 2018-03-23 | 芜湖美智空调设备有限公司 | Heat-exchanger rig and air conditioner |
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