CN203615642U - Multi-union central air-conditioner - Google Patents
Multi-union central air-conditioner Download PDFInfo
- Publication number
- CN203615642U CN203615642U CN201320664341.XU CN201320664341U CN203615642U CN 203615642 U CN203615642 U CN 203615642U CN 201320664341 U CN201320664341 U CN 201320664341U CN 203615642 U CN203615642 U CN 203615642U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- heat exchange
- outdoor heat
- central air
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a multi-union central air-conditioner, which comprises a refrigerating medium pump unit, an outdoor heat exchange unit and an indoor heat exchange unit, wherein the outdoor heat exchange unit is detachably connected with the refrigerating medium pump unit; the indoor heat exchange unit is detachably connected with the outdoor heat exchange unit, and is connected with the refrigerating medium pump unit. According to the multi-union central air-conditioner disclosed by the utility model, the external unit of the conventional air conditioner is split into the refrigerating medium pump unit and the outdoor heat exchange unit, so that the multi-union central air-conditioner is more flexible in structural design, small in product size, and convenient to maintain and repair.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of multiple central air conditioner device.
Background technology
Traditional multiple central air conditioner device system, is mainly made up of off-premises station, two product modules of indoor set.For medium-sized multiple central air conditioner system, off-premises station volume is compared with macrostructure complexity.The problem that exists some to be difficult to capture in the links of the design of product, manufacture, use:
(1) manufacture difficulty is large;
(2) heat exchanger efficiency is lower, because heat exchanger inside also can arrange the parts such as compressor, tank body, pipeline, stops effective heat exchange of heat exchanger;
(3) compressor noise is difficult to control, and because heat exchanger is a permeable structures, inner compressor noise is difficult to accomplish effective isolation;
(4) maintenance difficult, because the most of area of product peripheral is heat exchanger, only has less open area for maintenance.Due to narrow space, while changing large parts, operation is more difficult;
(5) blower fan utilization rate is low, and the utilization rate of the larger blower fan of product external surfaces heat exchanger area is just higher, but traditional product is because the needs of assembling, maintenance must cannot arrange heat exchanger by some outer surface;
(6) parts work under bad environment, easily damages and lost efficacy, and because heat exchanger is permeable structures, the parts of interiors of products expose in fact completely, and simultaneously due to heat exchanger heat exchange, temperature is more severe than general outdoor environment;
(7) life of product has short slab, and generally speaking a traditional multi-connected air conditioner device terminal life expires and scraps, and the ratio that causes complete machine to be scrapped because the dirty stifled grade of heat exchanger burn into loses exchange capability of heat is higher.The part life such as compressor, pipeline of core is all long, and when product rejection, in fact these parts can work on.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, an object of the present utility model be to propose a kind of structural design flexibly, maintenance and repair multiple central air conditioner device easily.
According to multiple central air conditioner device of the present utility model, comprising: refrigerant pump unit; Outdoor heat exchange unit, described outdoor heat exchange unit is removably connected with described refrigerant pump unit; With indoor heat exchange unit, described indoor heat exchange unit is removably connected with described outdoor heat exchange unit and described indoor heat exchange unit is connected with described refrigerant pump unit.
According to multiple central air conditioner device of the present utility model, traditional air-conditioner outdoor unit is split into refrigerant pump unit and outdoor heat exchange unit, structural design is more flexibly, small product size miniaturization, maintenance and repair be convenient.
In addition, can also there is following additional technical characterictic according to the multiple central air conditioner device of the utility model above-described embodiment:
According to an example of the present utility model, described refrigerant pump unit comprises compressor bank and cross valve, described cross valve has the first port, the second port, the 3rd port and the 4th port, and the first end of described compressor bank is connected with the first port of described cross valve and the second end of described compressor bank and the 3rd port of described cross valve are connected.
According to an example of the present utility model, described refrigerant pump unit also comprises oil eliminator, and described oil eliminator is located between the first end of described compressor bank and the first port of described cross valve.
According to an example of the present utility model, described refrigerant pump unit also comprises gas-liquid separator, and described gas-liquid separator is located between the second end of described compressor bank and the 3rd port of described cross valve.
According to an example of the present utility model, described compressor bank comprises a compressor or mutual multiple compressors in parallel.
According to an example of the present utility model, described outdoor heat exchange unit comprises outdoor heat exchanger, first throttle parts and the outdoor fan for described outdoor heat exchanger is dispelled the heat, described outdoor heat exchanger has first end and the second end, the first end of described outdoor heat exchanger is connected with the second port of described cross valve, and described first throttle parts are located on the second end of described outdoor heat exchanger.
According to an example of the present utility model, described first throttle parts are at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
According to an example of the present utility model, the second end that the first end of described outdoor heat exchanger is provided with the first joint and described outdoor heat exchanger is provided with the second joint, and described the second joint is positioned at the downstream of described first throttle parts.
According to an example of the present utility model, described indoor heat exchange unit comprises indoor heat exchanger, second section stream unit and the indoor fan for described indoor heat exchanger is dispelled the heat, described indoor heat exchanger has first end and the second end, the first end of described indoor heat exchanger is connected with the second end of described outdoor heat exchanger and the second end of described indoor heat exchanger and the 4th port of described cross valve are connected, and described second section stream unit is located between the second end of described indoor heat exchanger and the 4th port of described cross valve.
According to an example of the present utility model, described second section stream unit is at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
According to an example of the present utility model, described refrigerant pump unit is one or mutually in parallel multiple, and described outdoor heat exchange unit is one or in parallel multiple mutually, and described indoor heat exchange unit is one or in parallel multiple mutually.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the schematic diagram of the multiple central air conditioner device of an embodiment of the utility model;
Fig. 1 a is according to the schematic diagram of the refrigerant pump unit of the multiple central air conditioner device of an embodiment of the utility model;
Fig. 1 b is according to the schematic diagram of the outdoor heat exchange unit of the multiple central air conditioner device of an embodiment of the utility model;
Fig. 1 c is according to the schematic diagram of the indoor heat exchange unit of the multiple central air conditioner device of an embodiment of the utility model.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
Describe in detail according to multiple central air conditioner device of the present utility model below with reference to accompanying drawing.
As shown in Figures 1 to 4, according to multiple central air conditioner device of the present utility model, comprising: refrigerant pump unit 10, outdoor heat exchange unit 20 and indoor heat exchange unit 30.
Specifically, outdoor heat exchange unit 20 is removably connected with refrigerant pump unit 10.
Indoor heat exchange unit 30 is removably connected with outdoor heat exchange unit 20 and indoor heat exchange unit is connected with refrigerant pump unit 10.
According to multiple central air conditioner device of the present utility model, traditional air-conditioner outdoor unit is split into refrigerant pump unit and outdoor heat exchange unit, structural design is more flexibly, small product size miniaturization, maintenance and repair be convenient.
Advantageously, according to an example of the present utility model, refrigerant pump unit 10 can be one, can be also multiple (the refrigerant pump unit 11,12,13 as shown in Fig. 1 and Fig. 1 a) in parallel mutually.Outdoor heat exchange unit 20 can be one, can be also multiple (the outdoor heat exchange unit 21,22,23 as shown in Fig. 1 and Fig. 1 b) in parallel mutually.Indoor heat exchange unit 30 can be one, can be also multiple (the indoor heat exchange units 31,32,33 as shown in Fig. 1 and Fig. 1 c) in parallel mutually.This is understandable to those skilled in the art.
In the following description, all take refrigerant pump unit for example, as one (refrigerant pump unit 11), outdoor heat exchange unit for example, as one (outdoor heat exchange unit 21) and indoor heat exchange unit for example, be described as one (indoor heat exchange unit 31) as example.And when at least one unit in refrigerant pump unit, outdoor heat exchange unit and indoor heat exchange unit is while being multiple, multiple this kind of unit can be carried out to mutual parallel connection, and connect in other two unit, can form according to multiple central air conditioner device of the present utility model.
As shown in Fig. 1 and Fig. 1 a, according to an example of the present utility model, refrigerant pump unit 11 comprises compressor bank 111 and cross valve 112.Cross valve 112 has the first port 1121, the second port one 122, the 3rd port one 123 and the 4th port one 124.First end (the i.e. compressor 1111 as shown in Fig. 1 a of compressor bank 111,1112,1113 right-hand member) be connected with the first port 1121 of cross valve 112 and the second end (i.e. compressor 1111 as shown in Fig. 1 a of compressor bank 111,1112,1113 upper end) be connected with the 3rd port one 123 of cross valve 112.
Advantageously, according to an example of the present utility model, refrigerant pump unit 11 also comprises oil eliminator 113.Oil eliminator 113 is located between the first end of compressor bank 111 and the first port 1121 of cross valve 112.As shown in Fig. 1 a, the left end of oil eliminator 113 is connected with the first end of compressor bank 111, and the upper end of oil eliminator 113 is connected with the first port 1121 of cross valve 112.
Advantageously, according to an example of the present utility model, refrigerant pump unit 11 also comprises gas-liquid separator 114, and gas-liquid separator is established between 114 the second ends in compressor bank 111 and the 3rd port one 123 of cross valve 112.As shown in Fig. 1 a, gas-liquid separator is established 114 upper right-hand member and is connected with the second end of compressor bank 111, and gas-liquid separator is established 114 upper left end and is connected with the 3rd port one 123 of cross valve 112.
Further, according to an example of the present utility model, compressor bank 111 comprises a compressor or mutual multiple compressors in parallel.Fig. 1 a shows the situation of multiple compressors.As shown in Figure 1a, compressor bank 111 comprises three compressors 1111,1112,1113 of mutual parallel connection.This is understandable to those skilled in the art.
Thus, the heat pump components of changing in the off-premises station of traditional multiple central air conditioner device is formed as to an independent unit, structural design is more flexible, small product size miniaturization, and due to by after outdoor heat exchange components apart, changing heat pump components can accomplish relatively airtight, be exposed to extraneous part and significantly reduce, the corresponding raising of the reliability of components and parts and service life.
As shown in Fig. 1 and Fig. 1 b, according to an example of the present utility model, outdoor heat exchange unit 21 comprises outdoor heat exchanger 211, first throttle parts 212 and the outdoor fan 213 for outdoor heat exchanger 211 is dispelled the heat.Outdoor heat exchanger 211 has first end (i.e. the left end of outdoor heat exchanger 211 as shown in Figure 1 b) and the second end (i.e. the right-hand member of outdoor heat exchanger 211 as shown in Figure 1 b), the first end of outdoor heat exchanger 211 is connected with the second port one 122 of cross valve 112, and first throttle parts 212 are located on the second end of outdoor heat exchanger 211.
Thus, the outdoor heat exchange assembly in the off-premises station of traditional multiple central air conditioner device is formed as to an independent unit, at least five faces of its body fuselage can be for heat exchange, has improved the heat exchange efficiency of outdoor heat exchanger 211 and outdoor fan 213.
Advantageously, first throttle parts 212 can be at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
Advantageously, according to an example of the present utility model, the second end that the first end of outdoor heat exchanger 211 is provided with the first joint 214 and outdoor heat exchanger 211 is provided with the downstream that the second joint 215, the second joints 214 are positioned at first throttle parts 212 (i.e. the right side of first throttle parts 212 as shown in Figure 1 b).Multiple central air conditioner device uses the middle and later periods, due to aging, the dirty reason such as stifled of outdoor heat exchanger 201, heat transfer effect decay is serious, joint is set can, by supplementing the mode of outdoor heat exchanger or replacing outdoor heat exchanger, allow whole multiple central air conditioner device can also obtain good cooling or heating effect.
As shown in Fig. 1 and Fig. 1 c, according to an example of the present utility model, indoor heat exchange unit 31 comprises indoor heat exchanger 311, second section stream unit 312 and the indoor fan 313 for indoor heat exchanger 313 is dispelled the heat.Indoor heat exchanger 311 has first end (i.e. the left upper end of the indoor heat exchanger 311 as shown in Fig. 1 c) and the second end (i.e. the lower-left end of the indoor heat exchanger 311 as shown in Fig. 1 c).The first end of indoor heat exchanger 311 is connected with the second end of outdoor heat exchanger 211 and the second end of indoor heat exchanger 311 and the 4th port one 124 of cross valve 112 are connected, and second section stream unit 312 is located between the second end of indoor heat exchanger 311 and the 4th port one 124 of cross valve 112.
Advantageously, second section stream unit 312 can be at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
There is following beneficial effect according to multiple central air conditioner utensil of the present utility model:
(1) structural design is more flexible;
(2) small product size miniaturization, the refrigerant pump product size after cutting apart can be accomplished very little, and heat exchanger is owing to can doing 5 heat exchange, and size also can correspondingly be dwindled;
(3) heat exchanger, fan efficiency can promote, and 5 exposed faces of outdoor heat exchange machine can make heat exchanger;
(4) system is exposed to outdoor section and can significantly reduces, the corresponding raising of component reliability and life-span;
(5) renovation of old system easily, whole system longer service life, traditional product uses the middle and later periods due to the aging dirty reason such as stifled of heat exchanger, cooling or heating effect decay is serious, and has no idea to improve.And multi-connected air conditioner device system of the present utility model, using the middle and later periods can be by supplementing the mode of outdoor heat exchange machine or replacing outdoor heat exchange machine.Allow whole system can also obtain good cooling or heating effect.
(6) maintenance and repair is convenient,
(7) after small product size miniaturization, there is no large scale constitutional detail (large chassis, side plate, panel etc.), mould drops into and can reduce,
(8) system standardization is higher, and type newly developed can be used old outdoor heat exchange machine; Or heat exchanger newly developed is joined old refrigerant pump;
(9) flexibly, the same refrigerant pump different heat exchanger of arranging in pairs or groups can do different efficiencies for efficiency collocation;
(10) noise control is more convenient, and compressor is positioned at an enclosure space, can do better sound insulation.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.
Claims (11)
1. a multiple central air conditioner device, is characterized in that, comprising:
Refrigerant pump unit;
Outdoor heat exchange unit, described outdoor heat exchange unit is removably connected with described refrigerant pump unit; With
Indoor heat exchange unit, described indoor heat exchange unit is removably connected with described outdoor heat exchange unit and described indoor heat exchange unit is connected with described refrigerant pump unit.
2. multiple central air conditioner device according to claim 1, it is characterized in that, described refrigerant pump unit comprises compressor bank and cross valve, described cross valve has the first port, the second port, the 3rd port and the 4th port, and the first end of described compressor bank is connected with the first port of described cross valve and the second end of described compressor bank and the 3rd port of described cross valve are connected.
3. multiple central air conditioner device according to claim 2, is characterized in that, described refrigerant pump unit also comprises oil eliminator, and described oil eliminator is located between the first end of described compressor bank and the first port of described cross valve.
4. multiple central air conditioner device according to claim 3, is characterized in that, described refrigerant pump unit also comprises gas-liquid separator, and described gas-liquid separator is located between the second end of described compressor bank and the 3rd port of described cross valve.
5. according to the multiple central air conditioner device described in any one in claim 2-4, it is characterized in that, described compressor bank comprises a compressor or mutual multiple compressors in parallel.
6. multiple central air conditioner device according to claim 5, it is characterized in that, described outdoor heat exchange unit comprises outdoor heat exchanger, first throttle parts and the outdoor fan for described outdoor heat exchanger is dispelled the heat, described outdoor heat exchanger has first end and the second end, the first end of described outdoor heat exchanger is connected with the second port of described cross valve, and described first throttle parts are located on the second end of described outdoor heat exchanger.
7. multiple central air conditioner device according to claim 6, is characterized in that, described first throttle parts are at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
8. multiple central air conditioner device according to claim 6, it is characterized in that, the second end that the first end of described outdoor heat exchanger is provided with the first joint and described outdoor heat exchanger is provided with the second joint, and described the second joint is positioned at the downstream of described first throttle parts.
9. multiple central air conditioner device according to claim 6, it is characterized in that, described indoor heat exchange unit comprises indoor heat exchanger, second section stream unit and the indoor fan for described indoor heat exchanger is dispelled the heat, described indoor heat exchanger has first end and the second end, the first end of described indoor heat exchanger is connected with the second end of described outdoor heat exchanger and the second end of described indoor heat exchanger and the 4th port of described cross valve are connected, and described second section stream unit is located between the second end of described indoor heat exchanger and the 4th port of described cross valve.
10. multiple central air conditioner device according to claim 9, is characterized in that, described second section stream unit is at least one in magnetic valve, electric expansion valve, capillary, heating power expansion valve.
11. multiple central air conditioner devices according to claim 1, it is characterized in that, described refrigerant pump unit is one or mutually in parallel multiple, and described outdoor heat exchange unit is one or in parallel multiple mutually, and described indoor heat exchange unit is one or in parallel multiple mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664341.XU CN203615642U (en) | 2013-10-25 | 2013-10-25 | Multi-union central air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664341.XU CN203615642U (en) | 2013-10-25 | 2013-10-25 | Multi-union central air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203615642U true CN203615642U (en) | 2014-05-28 |
Family
ID=50768280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664341.XU Expired - Fee Related CN203615642U (en) | 2013-10-25 | 2013-10-25 | Multi-union central air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203615642U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165475A (en) * | 2014-09-01 | 2014-11-26 | 广东志高暖通设备股份有限公司 | Multi-split air-conditioning system and heating method |
| CN104197499A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system |
| CN105333639A (en) * | 2014-08-07 | 2016-02-17 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and outdoor unit assembly and control method thereof |
-
2013
- 2013-10-25 CN CN201320664341.XU patent/CN203615642U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333639A (en) * | 2014-08-07 | 2016-02-17 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and outdoor unit assembly and control method thereof |
| CN105333639B (en) * | 2014-08-07 | 2018-09-07 | 广东美的暖通设备有限公司 | Multi-line system and its outdoor unit component, control method |
| CN104165475A (en) * | 2014-09-01 | 2014-11-26 | 广东志高暖通设备股份有限公司 | Multi-split air-conditioning system and heating method |
| CN104197499A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203615642U (en) | Multi-union central air-conditioner | |
| CN203131983U (en) | Refrigerating system | |
| CN102494469B (en) | Refrigerating system for ice chest and ice chest comprising refrigerating system | |
| US10907871B2 (en) | Refrigerant flow path switch and air conditioner | |
| CN203824146U (en) | Air conditioning system | |
| CN103940004A (en) | Outdoor unit of air conditioner and electric control box assembly and installation method of outdoor unit | |
| CN202420014U (en) | Refrigerating system and refrigerator with same | |
| CN102121774A (en) | Refrigeration system and refrigerator with refrigeration system | |
| CN103017422A (en) | Roll-bond evaporator and refrigerator with same | |
| CN203454464U (en) | Heat pump system | |
| CN203883668U (en) | Self-cooling frequency conversion control cabinet | |
| CN203907805U (en) | Moving air conditioner | |
| CN203454450U (en) | Refrigeration system and refrigerator provided with same | |
| CN102155827B (en) | Refrigeration cycle system of wide-temperature air conditioner | |
| CN203501527U (en) | Air conditioning system | |
| CN203857731U (en) | Air duct component and refrigerator with same | |
| CN102818418B (en) | Refrigerator refrigerating system and refrigerator | |
| CN104567072A (en) | Multi-connected central air conditioner | |
| CN201992918U (en) | Refrigerating system and refrigerator with same | |
| CN205174910U (en) | Air conditioning system | |
| CN203605517U (en) | Refrigeration equipment and refrigeration system | |
| CN203203173U (en) | Double-circulation constant-temperature and constant-humidity air conditioner as well as control device thereof | |
| CN209512348U (en) | A kind of Novel ice cracking device | |
| CN206310789U (en) | Medical Instruments agent bin refrigeration system | |
| CN203163365U (en) | Heat pump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20191025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |