CN204063678U - Injection refrigerating device, circulating system and air conditioning equipment - Google Patents
Injection refrigerating device, circulating system and air conditioning equipment Download PDFInfo
- Publication number
- CN204063678U CN204063678U CN201420373190.7U CN201420373190U CN204063678U CN 204063678 U CN204063678 U CN 204063678U CN 201420373190 U CN201420373190 U CN 201420373190U CN 204063678 U CN204063678 U CN 204063678U
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- path
- injector
- closing unit
- liquid separator
- gas
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- Expired - Lifetime
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 title claims description 41
- 239000007924 injection Substances 0.000 title claims description 41
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 20
- 230000008676 import Effects 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005381 potential energy Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 101100194816 Caenorhabditis elegans rig-3 gene Proteins 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 freon) etc. Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to an draw and penetrate refrigerating plant, circulation system and air conditioning equipment draws and penetrates refrigerating plant and includes ejector and vapour and liquid separator, the jet outlet of ejector with vapour and liquid separator links to each other, the work mouth of ejector and the jet outlet that draws the mouth to be used for connecting outdoor heat transfer device's export and indoor heat transfer device's export respectively, vapour and liquid separator's outlet duct and drain pipe be used for connecting the compressor respectively the import with choke valve before indoor heat transfer device's the work mouth of ejector and the jet outlet still are equipped with first flow regulating unit and second flow regulating unit respectively before. Compared with the prior air conditioning equipment, the utility model can improve the energy efficiency of the refrigeration cycle in the aspects of throttling expansion power and compressor power consumption; additionally, the utility model discloses can also carry out flow control to the working flow that leads to the ejector and draw the class respectively, the cryogenic controllability and the adaptability are drawn in the reinforcing.
Description
Technical field
The utility model relates to air-conditioning technical, particularly relates to a kind of injection refrigeration and follows device, the circulatory system and the apparatus of air conditioning.
Background technology
In the kind of refrigeration cycle of the existing apparatus of air conditioning, adopt the refrigerant with vehicle repair major, such as freon etc., utilize the different cyclic processes of the conversion of refrigerant vehicle repair major to realize kind of refrigeration cycle and to heat circulation.In kind of refrigeration cycle, there is friction loss when carrying out throttling in the refrigerant of gaseous state, can consume certain throttling expansion merit.And the compressor adopted in the apparatus of air conditioning at present achieves a higher pressure ratio, the power consumption of compressor is caused also to maintain higher level.Therefore, for the existing apparatus of air conditioning, no matter in throttling expansion merit, or in compressor power consumption, all there are the needs continuing to improve efficiency.
Utility model content
The purpose of this utility model proposes a kind of injection refrigeration to follow device, the circulatory system and the apparatus of air conditioning, can improve kind of refrigeration cycle efficiency.
For achieving the above object, the utility model provides a kind of injection refrigerating plant, comprise injector and gas-liquid separator, the exit wound of bullet of described injector is connected with described gas-liquid separator, working hole and the ejecting port of described injector are respectively used to be connected the outlet of outdoor heat exchange device and the outlet of indoor heat-exchanger rig, escape pipe and the drain pipe of described gas-liquid separator are respectively used to the choke valve before being connected the import of compressor and the import of described indoor heat-exchanger rig, first flow regulon and the second flow regulating unit was also respectively equipped with before the working hole and ejecting port of described injector.
For achieving the above object, the utility model provides a kind of injection cooling cycle system, comprises compressor, outdoor heat exchange device, indoor heat-exchanger rig and choke valve, wherein, also comprises injector and gas-liquid separator;
Described compressor, described outdoor heat exchange device, described injector and described gas-liquid separator are in turn connected to form the first path;
The drain pipe of described gas-liquid separator, described choke valve, described indoor heat-exchanger rig and described injector are in turn connected to form alternate path, and the working hole of described injector receives the cold-producing medium that described outdoor heat exchange device exports, by the cold-producing medium that heat-exchanger rig indoor described in the ejecting port injection of described injector exports, by the exit wound of bullet of described injector, the gas-liquid two-phase mix refrigerant of formation is sent to described gas-liquid separator;
The position be in described first path between described outdoor heat exchange device and described injector is also provided with first flow regulon, and the position be in described alternate path between described injector and described indoor heat-exchanger rig is also provided with the second flow regulating unit;
The escape pipe of described gas-liquid separator and described compressor are connected to form the third path supplying the gaseous refrigerant of described gas-liquid separator separates to return, and the position be in described alternate path between described second flow regulating unit with described indoor heat-exchanger rig is connected with described third path.
Further, also comprise at described compressor respectively and between described first path and described third path, for switching the cross valve of refrigerant flow direction, the position be in described first path between described outdoor heat exchange device and described injector is also provided with the first channel opening and closing unit, the position be in described alternate path between described injector and described indoor heat-exchanger rig is also provided with alternate path opening/closing unit, the position be in described alternate path between the drain pipe of described gas-liquid separator and described choke valve is also provided with third path opening/closing unit, in described alternate path, be in the position be between described outdoor heat exchange device and described first channel opening and closing unit in position between described choke valve and described third path opening/closing unit and described first path be also provided with the 4th path, the 4th path opening/closing unit is also provided with in described 4th path, described third path is also provided with the check valve from the escape pipe of described gas-liquid separator to described compressor one-way conduction or channel opening and closing unit.
Further, under the state that described cross valve switches to kind of refrigeration cycle, described first channel opening and closing unit, described alternate path opening/closing unit and described third path opening/closing unit are in opening, and described 4th path opening/closing unit is in closed condition.
Further, under switching at described cross valve the state heating circulation, described first channel opening and closing unit, described alternate path opening/closing unit and described third path opening/closing unit are in closed condition, and described 4th path opening/closing unit is in opening.
Further, described first channel opening and closing unit and described first flow regulon are same magnetic valve, and described alternate path opening/closing unit and described second flow regulating unit are same magnetic valve.
Further, described injector comprises nozzle, mixing chamber and diffuser; The cold-producing medium that described outdoor heat exchange device exports enters described nozzle by step-down by the working hole of described injector, change potential energy into kinetic energy, the cold-producing medium that the cold-producing medium injection of described nozzle exit is inputted by the ejecting port of described injector forms gas-liquid two-phase mix refrigerant, described gas-liquid two-phase mix refrigerant slows down boosting in described diffuser, be potential energy by kinetic energy, send to described gas-liquid separator by the exit wound of bullet of described injector.
For achieving the above object, the utility model provides a kind of apparatus of air conditioning, comprises aforesaid injection cooling cycle system.
Based on technique scheme, the utility model utilizes the cold-producing medium of injector mixed liquor gas two-phase, and promote the pressure entering the cold-producing medium of gas-liquid separator, then gas-liquid separator is utilized to carry out the gas-liquid separation of cold-producing medium, isolated liquid refrigerant is less in the throttling expansion merit by consuming during choke valve, and the gaseous refrigerant entering into compressor raises due to pressure, also the pressure ratio of compressor is made to diminish, and then reduce the power consumption of compressor, therefore compared to the existing apparatus of air conditioning, the utility model can improve the efficiency of kind of refrigeration cycle in throttling expansion merit and in compressor power consumption, in addition, the utility model also carries out Flow-rate adjustment to the workflow and flow type pump with injection of leading to injector respectively by first flow regulon and the second flow regulating unit, strengthens controllability and the adaptability of injection refrigeration.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the theory of constitution schematic diagram of an embodiment of the utility model injection cooling cycle system.
Fig. 2 is the theory of constitution schematic diagram of another embodiment of the utility model injection cooling cycle system.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, be the theory of constitution schematic diagram of an embodiment of the utility model injection cooling cycle system.In the present embodiment, injection cooling cycle system comprises compressor 1, outdoor heat exchange device 2, indoor heat-exchanger rig 3 and choke valve 4.Here compressor 1 can constantly extract with discharging refrigerant (also claiming refrigerant) as kind of refrigeration cycle provides power.Outdoor heat exchange device 2 is arranged at outdoor heat-exchange device in use, such as condenser etc.Indoor heat-exchanger rig 3 is arranged at indoor heat-exchange device in use, such as evaporimeter etc.Outdoor heat exchange device 2 and indoor heat-exchanger rig 3 can also adopt other forms of heat-exchange apparatus, such as regenerator, subcooler etc.Choke valve 4 is heat power equipments cold-producing medium being carried out to reducing pressure by regulating flow, and also can play the effect controlling to enter the refrigerant flow of evaporimeter, choke valve 4 can adopt capillary, heating power expansion valve, electric expansion valve or restricting orifice etc.
In addition, the injection cooling cycle system of the present embodiment also comprises injector 5 and gas-liquid separator 6, and is in turn connected to form the first path 20 by compressor 1, outdoor heat exchange device 2, injector 5 and gas-liquid separator 6.The drain pipe of gas-liquid separator 6, choke valve 4, indoor heat-exchanger rig 3 and injector 5 are in turn connected to form alternate path 22.Escape pipe and the compressor 1 of gas-liquid separator 6 are connected to form the third path 24 that the gaseous refrigerant that is separated for gas-liquid separator 6 returns.Wherein, the working hole of injector 5 receives the cold-producing medium of outdoor heat exchange device 2 output, and the cold-producing medium exported by heat-exchanger rig in ejecting port injecting chamber, sends to gas-liquid separator 6 by exit wound of bullet by the gas-liquid two-phase mix refrigerant of formation.
For the function that injector 5 is configured, the configuration example that realizes that provided below is a kind of injector helps to understand.This injector comprises nozzle, mixing chamber and diffuser; The cold-producing medium that outdoor heat exchange device exports enters nozzle by step-down by the working hole of injector, change potential energy into kinetic energy, the cold-producing medium that the cold-producing medium injection of nozzle exit is inputted by the ejecting port of injector forms gas-liquid two-phase mix refrigerant, gas-liquid two-phase mix refrigerant slows down boosting in diffuser, be potential energy by kinetic energy, send to gas-liquid separator by the exit wound of bullet of injector.
Gas-liquid separator 6 can carry out being separated of gaseous refrigerant and liquid refrigerant to gas-liquid two-phase mix refrigerant, and is discharged respectively by escape pipe and drain pipe.Gas-liquid separator 6 can adopt the mode such as gravitational settling, centrifugation.
The cold-producing medium that the utility model adopts can be carbon dioxide or hydrocarbon (such as freon) etc., illustrates no longer one by one here.
The position be in the first path 20 between outdoor heat exchange device 2 and injector 5 is also provided with magnetic valve 8, and this magnetic valve can play the effect regulating and enter the refrigerant flow of the working hole of injector 5.The position be in alternate path 22 between injector 5 and indoor heat-exchanger rig 3 is also provided with magnetic valve 7, this magnetic valve can play the effect regulating and enter the refrigerant flow of the ejecting port of injector 5, can be strengthened controllability and the adaptability of injection refrigeration by the setting of magnetic valve 7,8.
The position be in alternate path 22 between magnetic valve 7 with indoor heat-exchanger rig 3 is connected with third path 24, namely forms path 26.So just make the coordination can carrying out gaseous refrigerant between second channel 22 and third channel 24, when the amount of the gaseous refrigerant needing injection is larger, the gaseous refrigerant of third path 24 cocycle can supplement to alternate path 22, otherwise when the amount of the gaseous refrigerant needing injection is less, the gaseous refrigerant of alternate path 22 also can be inhaled into compressor 1 by third path 24.In the present embodiment, the amount of the gaseous refrigerant of injection is needed can be controlled by magnetic valve 7.
The course of work of illustratively injection cooling cycle system is carried out below in conjunction with Fig. 1 embodiment, the gaseous refrigerant of increasing temperature and pressure after compression is sent into outdoor heat exchange device 2 and is carried out condensation by compressor 1, outdoor heat exchange device 2 exports the liquid refrigerant of high pressure in injector 5, and accelerate and step-down in nozzle, the gaseous refrigerant that the speed that in the liquid refrigerant injecting chamber that Negotiation speed is higher, heat-exchanger rig 3 exports is lower, and the cold-producing medium of two-phase state is mixed at mixing chamber, then slow down at diffuser casing and boost, so just improve the pressure of the cold-producing medium entering gas-liquid separator 6, and the cold-producing medium of gas-liquid separator 6 pairs of two-phase states carries out gas-liquid separation, isolated liquid refrigerant is less in the throttling expansion merit by consuming during choke valve 4, and the gaseous refrigerant entering into compressor 1 raises due to pressure, also the pressure ratio of compressor 1 is made to diminish, and then reduce the power consumption of compressor 1, therefore compared to the existing apparatus of air conditioning, the present embodiment can improve the efficiency of kind of refrigeration cycle in throttling expansion merit and in compressor power consumption.
The injection cooling cycle system of the present embodiment can also be formed by transformation and can realize the common circulatory system heated of highly effective refrigeration, as shown in Figure 2, compared with Fig. 1 embodiment, also comprises cross valve 11, magnetic valve 9, magnetic valve 10 and check valve 28.Cross valve 11 at compressor 1 respectively and between the first path 20 and third path 24, for switching refrigerant flow direction.Magnetic valve 7 is arranged on the position in alternate path 22 between injector 5 and indoor heat-exchanger rig 3, is used to open or close path.Magnetic valve 8 is arranged on the position in the first path 20 between outdoor heat exchange device 2 and injector 5, is used to open or close path.Magnetic valve 10 is arranged on the position between drain pipe and choke valve 4 being in gas-liquid separator 6 in alternate path 22, be used to open or close path, and the position be between outdoor heat exchange device 2 and magnetic valve 8 is also provided with the 4th path 30 in the position be in alternate path 22 between choke valve 4 and magnetic valve 10 and the first path 20, in the 4th path 30, be also provided with magnetic valve 9, be used to open or close path.Check valve 28 is arranged in third path 24, and from the escape pipe of gas-liquid separator 6 to compressor 1 one-way conduction.
In the present embodiment, magnetic valve 8 and magnetic valve 7 achieve the function of channel opening and closing and Flow-rate adjustment all simultaneously, namely the first channel opening and closing unit and first flow regulon are same magnetic valve, namely dual-use function is realized by magnetic valve 8, alternate path opening/closing unit and the second flow regulating unit are same magnetic valve, namely realize dual-use function by magnetic valve 7.And third path opening/closing unit and the 4th path opening/closing unit are independently realized the function of channel opening and closing respectively by magnetic valve 10,9.In the embodiment in figure 1, magnetic valve 8 and magnetic valve 7 achieve the flow regulating function of respective path respectively as first flow regulon and the second flow regulating unit.
In a further embodiment, above-mentioned each channel opening and closing unit and flow regulating unit also can adopt other forms of adjusting means, such as hand control valve etc., and first channel opening and closing unit and first flow regulon, and alternate path opening/closing unit and the second flow regulating unit all can discretely be arranged.
Based on above-mentioned improved injection cooling cycle system, the switching of cooling and warming can be realized by cross valve 11.Wherein, under the state that cross valve 11 switches to kind of refrigeration cycle, namely dE is communicated with, SC is communicated with, then now the first channel opening and closing unit (i.e. magnetic valve 8 in Fig. 2), alternate path opening/closing unit (i.e. magnetic valve 7 in Fig. 2) and third path opening/closing unit (i.e. magnetic valve 10 in Fig. 2) are in opening, and the 4th path opening/closing unit (i.e. magnetic valve 9 in Fig. 2) is in closed condition.Material is thus formed the cooling cycle system shown in Fig. 1, can highly effective refrigeration be realized.
Under switching at cross valve 11 state heating circulation, namely dC is communicated with, SE is communicated with, first channel opening and closing unit (i.e. magnetic valve 8 in Fig. 2), alternate path opening/closing unit (i.e. magnetic valve 7 in Fig. 2) and third path opening/closing unit (i.e. magnetic valve 10 in Fig. 2) are in closed condition, and the 4th path opening/closing unit (i.e. magnetic valve 9 in Fig. 2) is in opening.And check valve 28 does not allow to flow to gas-liquid separator 6 from compressor 1, so then make the gaseous refrigerant of HTHP from compressor 1 to path 26, and carry out heating condensation through indoor heat-exchanger rig 3, arrive outdoor heat exchange device 2 evaporate through choke valve 4, the 4th path 30 again, the gaseous refrigerant of the low-temp low-pressure then exported by outdoor heat exchange device 2 flows back to compressor 1, is formed common to heat circulation.
Check valve 28 also can be replaced by controlled channel opening and closing unit in another embodiment, such as magnetic valve, like this when carrying out cooling and warming handover operation, needs this magnetic valve is opened when kind of refrigeration cycle, is heating circulation time closedown.
In the utility model injection cooling cycle system, independently injection refrigerating plant can also be formed by injector, gas-liquid separator and first flow regulon and the second flow regulating unit, can injection refrigerating plant be installed in air-conditioning system as standalone module in use, realize injection kind of refrigeration cycle.Independently injection refrigerating plant can comprise injector and gas-liquid separator, the exit wound of bullet of described injector is connected with described gas-liquid separator, working hole and the ejecting port of described injector are respectively used to be connected the outlet of outdoor heat exchange device and the outlet of indoor heat-exchanger rig, escape pipe and the drain pipe of described gas-liquid separator are respectively used to the choke valve before being connected the import of compressor and the import of described indoor heat-exchanger rig, are also respectively equipped with first flow regulon and the second flow regulating unit before the working hole and ejecting port of described injector.
Above-mentioned the utility model injection cooling cycle system is applicable to the apparatus of air conditioning, can comprise any one injection cooling cycle system embodiment aforementioned in the apparatus of air conditioning that the utility model provides, and can reach the effect improving kind of refrigeration cycle efficiency equally.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. an injection refrigerating plant, it is characterized in that, comprise injector and gas-liquid separator, the exit wound of bullet of described injector is connected with described gas-liquid separator, working hole and the ejecting port of described injector are respectively used to be connected the outlet of outdoor heat exchange device and the outlet of indoor heat-exchanger rig, escape pipe and the drain pipe of described gas-liquid separator are respectively used to the choke valve before being connected the import of compressor and the import of described indoor heat-exchanger rig, are also respectively equipped with first flow regulon and the second flow regulating unit before the working hole and ejecting port of described injector.
2. an injection cooling cycle system, comprises compressor, outdoor heat exchange device, indoor heat-exchanger rig and choke valve, it is characterized in that, also comprise injector and gas-liquid separator;
Described compressor, described outdoor heat exchange device, described injector and described gas-liquid separator are in turn connected to form the first path;
The drain pipe of described gas-liquid separator, described choke valve, described indoor heat-exchanger rig and described injector are in turn connected to form alternate path, and the working hole of described injector receives the cold-producing medium that described outdoor heat exchange device exports, by the cold-producing medium that heat-exchanger rig indoor described in the ejecting port injection of described injector exports, by the exit wound of bullet of described injector, the gas-liquid two-phase mix refrigerant of formation is sent to described gas-liquid separator;
The position be in described first path between described outdoor heat exchange device and described injector is also provided with first flow regulon, and the position be in described alternate path between described injector and described indoor heat-exchanger rig is also provided with the second flow regulating unit;
The escape pipe of described gas-liquid separator and described compressor are connected to form the third path supplying the gaseous refrigerant of described gas-liquid separator separates to return, and the position be in described alternate path between described second flow regulating unit with described indoor heat-exchanger rig is connected with described third path.
3. injection cooling cycle system according to claim 2, it is characterized in that, also comprise at described compressor respectively and between described first path and described third path, for switching the cross valve of refrigerant flow direction, the position be in described first path between described outdoor heat exchange device and described injector is also provided with the first channel opening and closing unit, the position be in described alternate path between described injector and described indoor heat-exchanger rig is also provided with alternate path opening/closing unit, the position be in described alternate path between the drain pipe of described gas-liquid separator and described choke valve is also provided with third path opening/closing unit, in described alternate path, be in the position be between described outdoor heat exchange device and described first channel opening and closing unit in position between described choke valve and described third path opening/closing unit and described first path be also provided with the 4th path, the 4th path opening/closing unit is also provided with in described 4th path, described third path is also provided with the check valve from the escape pipe of described gas-liquid separator to described compressor one-way conduction or channel opening and closing unit.
4. injection cooling cycle system according to claim 3, it is characterized in that, under the state that described cross valve switches to kind of refrigeration cycle, described first channel opening and closing unit, described alternate path opening/closing unit and described third path opening/closing unit are in opening, and described 4th path opening/closing unit is in closed condition.
5. injection cooling cycle system according to claim 3, it is characterized in that, under switching at described cross valve the state heating circulation, described first channel opening and closing unit, described alternate path opening/closing unit and described third path opening/closing unit are in closed condition, and described 4th path opening/closing unit is in opening.
6. injection cooling cycle system according to claim 3, it is characterized in that, described first channel opening and closing unit and described first flow regulon are same magnetic valve, and described alternate path opening/closing unit and described second flow regulating unit are same magnetic valve.
7. injection cooling cycle system according to claim 2, is characterized in that, described injector comprises nozzle, mixing chamber and diffuser; The cold-producing medium that described outdoor heat exchange device exports enters described nozzle by step-down by the working hole of described injector, change potential energy into kinetic energy, the cold-producing medium that the cold-producing medium injection of described nozzle exit is inputted by the ejecting port of described injector forms gas-liquid two-phase mix refrigerant, described gas-liquid two-phase mix refrigerant slows down boosting in described diffuser, be potential energy by kinetic energy, send to described gas-liquid separator by the exit wound of bullet of described injector.
8. an apparatus of air conditioning, is characterized in that, comprises the arbitrary described injection cooling cycle system of claim 2 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373190.7U CN204063678U (en) | 2014-07-07 | 2014-07-07 | Injection refrigerating device, circulating system and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373190.7U CN204063678U (en) | 2014-07-07 | 2014-07-07 | Injection refrigerating device, circulating system and air conditioning equipment |
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| Publication Number | Publication Date |
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| CN204063678U true CN204063678U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420373190.7U Expired - Lifetime CN204063678U (en) | 2014-07-07 | 2014-07-07 | Injection refrigerating device, circulating system and air conditioning equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048449A (en) * | 2014-07-07 | 2014-09-17 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2014
- 2014-07-07 CN CN201420373190.7U patent/CN204063678U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048449A (en) * | 2014-07-07 | 2014-09-17 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| CN104048449B (en) * | 2014-07-07 | 2017-01-18 | 珠海格力电器股份有限公司 | Injection heating device, circulating system, air conditioning equipment and control method |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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Granted publication date: 20141231 Effective date of abandoning: 20160824 |
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| AV01 | Patent right actively abandoned |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |