CN104819331A - Air-conditioner valve member, air-conditioner and sealing cover for air-conditioner valve - Google Patents
Air-conditioner valve member, air-conditioner and sealing cover for air-conditioner valve Download PDFInfo
- Publication number
- CN104819331A CN104819331A CN201510268768.1A CN201510268768A CN104819331A CN 104819331 A CN104819331 A CN 104819331A CN 201510268768 A CN201510268768 A CN 201510268768A CN 104819331 A CN104819331 A CN 104819331A
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- stuffing box
- box gland
- sleeve body
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Housings (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to an air-conditioner valve member, an air-conditioner and a sealing cover for an air-conditioner valve. The sealing cover is constructed to form a chamber which is formed inside the sealing cover; the chamber is air-tightly isolated from the surrounding and is used for holding the air-conditioning valve. When a refrigerant inside the air-conditioner flows through the valve, the temperature of the valve is impacted by the refrigerant and lowered; the sealing cover is used for sealing and protecting the valve and is isolated from the surrounding; the sealing cover is isolated from a condensation source of the surrounding, thus condensation and dripping can be effectively prevented, corrosion resistance and moisture-proofness are achieved and the valve is protected.
Description
Technical field
The present invention relates to aircondition field, particularly relate to a kind of stuffing box gland for air-conditioning valve, air control valve door assembly and air conditioner.
Background technique
The valve of the outdoor unit of existing detachable air conditioner is exposed to outside housing, be in open-air atmosphere, when air conditioner runs, valve and external environment form cold and hot energy interchange, the smog that cold and hot energy interchange produces easily is combined with the condensation source such as outer boundry particle and condenses into water droplet, causes valve to be exposed in extraneous wet environment for a long time, easy oxide etch, and water droplet is arbitrarily from valve drippage or blowout, can get wet body, building or surrounding environment.
As shown in Figure 1; in prior art; in order to protect valve; the side plate 1 ' of the outdoor unit of air conditioner is provided with valve cover 2 '; in being located at by valve 3 ' by valve cover 2 ', the A place, position of valve cover 2 ' is provided with flow guiding structure 4 ' (as shown in Figure 2), when air conditioner runs; the water droplet that the upper condensation of valve 3 ' is formed drops onto on valve cover 2 ', is drained on the chassis of the outdoor unit of air conditioner by flow guiding structure 4 '.The above-mentioned structure arranging valve cover 2 ' can protect valve 3 ' to a certain extent; and water droplet can be avoided arbitrarily to drip body of getting wet, building and surrounding environment; but the problem that the upper condensation of valve 3 ' forms water droplet can not be solved; valve 3 ' constantly drips; be exposed in extraneous wet environment for a long time, easy oxide etch.
And, current valve cover and handle are wholely set, handle has the effect of being convenient to extract outdoor unit, and there is the effect protecting electric electrical wire interface, therefore, handle adopts fire proofing material usually, and the valve cover be wholely set with handle also adopts fire proofing material usually, and uses fire proofing material cost high; And valve cover and handle are wholely set, take up room large.
Summary of the invention
The object of the invention is to propose a kind of stuffing box gland for air-conditioning valve, air control valve door assembly and air conditioner, it can effectively avoid air-conditioning valve condensation to drip, moisture-proof anticorrosive.
For achieving the above object, the invention provides a kind of stuffing box gland for air-conditioning valve, described stuffing box gland is configured to the chamber of its inner formation and surrounding environment hermetic seal, for will within it arrange air-conditioning valve.
One preferably or in embodiment, described stuffing box gland comprises the first valve sleeve body and the second valve sleeve body, and described first valve sleeve body and described second valve sleeve body are provided with the sealing fastening structure cooperatively interacted.
One preferably or in embodiment, described sealing fastening structure comprises fastening structure, described fastening structure comprises the groove be located on described first valve sleeve body and the respective bump be arranged on described second valve sleeve body, and described projection can join in described groove matchingly described first valve sleeve body and described second valve sleeve body to be locked together.
One preferably or in embodiment, the cross section of described groove and described projection is trapezoidal, and described groove is configured to narrow gradually from bottom land to groove top, and described projection can be locked in described groove.
One preferably or in embodiment, described sealing fastening structure comprises sealing configuration, described sealing configuration comprise circumferentially edge be arranged on the first surface of contact on described first valve sleeve body and circumferentially edge be arranged on the second surface of contact on described second valve sleeve body, the closing line between described first surface of contact and described second surface of contact is curve or broken line.
One preferably or in embodiment, the closing line between described first surface of contact and described second surface of contact comprises horizontal segment, and connects the L-type broken line of described horizontal segment and described fastening structure.
One preferably or in embodiment, multiple described fastening structure is arranged on the outer circumferential of described sealing fastening structure at interval.
One preferably or in embodiment, described stuffing box gland adopts rubber to make.
One preferably or in embodiment, described rubber is ethylene propylene diene rubber.
For achieving the above object, present invention also offers a kind of air control valve door assembly, it comprises the stuffing box gland in air-conditioning valve and above-mentioned any embodiment, and described air-conditioning valve is located in the described stuffing box gland relative to surrounding environment hermetic seal.
For achieving the above object, present invention also offers a kind of air conditioner, it comprises indoor set and outdoor unit, and described outdoor unit is provided with the air control valve door assembly in above-mentioned any embodiment.
Based on technique scheme, the present invention at least has following beneficial effect:
Air-conditioning valve and external environment, the condensation source that comprises external environment can completely cut off by stuffing box gland provided by the invention, air-conditioning valve condensation effectively can either be avoided to drip, moisture-proof anticorrosive, can play again the effect of protection air-conditioning valve.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation arranging valve cover outside valve of the prior art;
Fig. 2 is the schematic diagram of the flow guiding structure that in Fig. 1, position A is arranged;
Fig. 3 be air conditioner provided by the invention outdoor unit on the exploded perspective view of air-conditioning valve and stuffing box gland is set;
Fig. 4 be air conditioner provided by the invention outdoor unit on the schematic front view of air-conditioning valve and stuffing box gland is set;
Fig. 5 be air conditioner provided by the invention outdoor unit on the schematic side view of air-conditioning valve and stuffing box gland is set;
Fig. 6 be air conditioner provided by the invention outdoor unit on the schematic top plan view of air-conditioning valve and stuffing box gland is set;
Fig. 7 is the schematic cross-section after stuffing box gland provided by the invention and air-conditioning valve assemble;
Fig. 8 is the cross section close-up schematic view after stuffing box gland provided by the invention and air-conditioning valve assemble.
Attached number in the figure:
1 '-side plate; 2 '-valve cover; 3 '-valve; 4 '-flow guiding structure; The position of A-valve cover;
1-stuffing box gland; 11-first valve sleeve body; 12-second valve sleeve body; 2-air-conditioning valve; 3-fastening structure; 31-groove; 32-projection; 4-sealing configuration; 41-straightway; 42-L type broken line; 5-outdoor unit right sideboard; 6-valve fastening screw trip bolt.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 3, be the illustrative examples of stuffing box gland 1 provided by the invention, in this illustrative examples, stuffing box gland 1 is configured to the chamber of its inner formation and surrounding environment hermetic seal, for will within it arrange air-conditioning valve 2.Air-conditioning valve 2 hermetic seal can be packaged in interior (as shown in figures 4-6) by stuffing box gland 1 provided by the invention; completely cut off with external environment; comprise and completely cutting off with the condensation source of external environment; when the flow of refrigerant in air conditioner is through air-conditioning valve 2; air-conditioning valve 2 temperature is subject to refrigeration agent impact and declines; and air-conditioning valve 2 hermetic seal is protected by stuffing box gland 1, can either effectively prevent condensation from dripping, play again the effect of protection air-conditioning valve 2.
Alternatively, stuffing box gland 1 provided by the invention can adopt rubber to make, inventor uses common nitrile rubber to test: (refer in enterprise's mark outdoor and simulate outdoor temperature and environment in the lab, make it the same with outdoor) under the most severe 27/24 operating mode test within 4 hours, have 5 to drip drippage, stuffing box gland 1 is inner without coagulated dew, just there is a little coagulated dew on stuffing box gland 1 surface, air-conditioning valve 2 can not be in wet environment, therefore, by arranging stuffing box gland 1 provided by the invention outside air-conditioning valve 2, air-conditioning valve 2 condensation can be effectively avoided to drip, moisture-proof anticorrosive, and the effect of protection air-conditioning valve 2 can be played.
27/24 above-mentioned operating mode is worst condensation operating mode in enterprise's mark, this 27/24 operating mode refers to enterprise's mark and company standard air conditioner external condensation operating mode, 27 dry-bulb temperatures 27 degree referring to the outdoor air intake state that standard cooling condition is determined, 24 wet-bulb temperature 24 degree referring to the outdoor air intake state that standard cooling condition is determined.
As shown in Figure 3, stuffing box gland 1 provided by the invention is split-type structural, it comprises the first valve sleeve body 11 and the second valve sleeve body 12, first valve sleeve body 11 and the second valve sleeve body 12 are provided with the sealing fastening structure cooperatively interacted, air-conditioning valve 2 hermetic seal, by after seal fastening structure and fastening, can be packaged in interior (as shown in figures 4-6) by the first valve sleeve body 11 and the second valve sleeve body 12.Because each air-conditioning valve 2 needs correspondence to arrange a stuffing box gland 1, and stuffing box gland 1 is split-type structural, namely each stuffing box gland 1 includes the first valve sleeve body 11 and the second valve sleeve body 12 cooperatively interacted, therefore, in figure 3 there is two air-conditioning valves 2 when (be described as example, but be not limited thereto), corresponding needs arranges two stuffing box glands 1, therefore, there is the first valve sleeve body 11 and the second valve sleeve body 12 that two covers cooperatively interact.
Stuffing box gland 1 provided by the invention is split-type structural, makes the first valve sleeve body 11 and the second valve sleeve body 12 fasten to seal and lock by the sealing fastening structure cooperatively interacted, the processing of stuffing box gland 1, easy for installation.
As shown in Figure 7, Figure 8, more firmly fasten for the ease of the first valve sleeve body 11 and the second valve sleeve body 12, sealing fastening structure comprises fastening structure 3, fastening structure 3 comprises the groove 31 be arranged on the first valve sleeve body 11, and the projection 32 be arranged on the second valve sleeve body 12 of correspondence, or fastening structure 3 comprises the projection 32 be arranged on the first valve sleeve body 11, and the groove 31 be arranged on the second valve sleeve body 12 of correspondence.Projection 32 can join in groove 31 matchingly the first valve sleeve body 11 and the second valve sleeve body 12 to be locked together.The fastening structure 3 adopting above-mentioned groove 31 and projection 32 to cooperatively interact is relative to the form such as with bolts, easy to assembly, save cost, and good sealing effect.
On the basis of above-described embodiment, the cross section of groove 31 and projection 32 can be all trapezoidal, groove 31 is configured to narrow gradually from bottom land to groove top, projection 32 can be locked in groove 31, further increase the fastening locking effect between the first valve sleeve body 11 and the second valve sleeve body 12.
As shown in Figure 7, Figure 8, in order to make, between the first valve sleeve body 11 and the second valve sleeve body 12, there is better sealing effect, sealing fastening structure also comprises sealing configuration 4, sealing configuration 4 comprise circumferentially edge be arranged on the first surface of contact on the first valve sleeve body 11 and circumferentially edge be arranged on the second surface of contact on the second valve sleeve body 12, the closing line between the first surface of contact and the second surface of contact can be curve or broken line.
Further, the closing line between the first surface of contact and the second surface of contact can comprise horizontal segment 41, and connects the L-type broken line 42 of horizontal segment 41 and fastening structure 3.Other forms of joint line can certainly be selected.
Alternatively, multiple fastening structure 3 is arranged on the outer circumferential of sealing fastening structure at interval, be specially, multiple fastening structure 3 can be arranged on the outer circumferential of sealing configuration 4 at interval, the such as outer circumferential of sealing configuration 4 arranges four fastening structures 3, the dense block compact form adopting sealing configuration 4 and fastening structure 3 to cooperatively interact, can not only have and fasten effect preferably, and good airproof performance.
In addition, stuffing box gland 1 provided by the invention is except adopting above-mentioned sealing configuration 4 and fastening structure 3, its material requirements has weather-proof, and heat insulating coefficient is higher or heat-shielding performance is relatively good, can prevent aging rubber composite or other materials with similar performance from making, in the present embodiment, first valve sleeve body 11 and the second valve sleeve body 12 all adopt rubber material to make, and preferably adopt ethylene propylene diene monomer (EPDM) material to make, the weather-proof heat insulating coefficient of ethylene propylene diene monomer (EPDM) material is high.Through experiment prove, the heat insulating coefficient 0.2 of ethylene propylene diene monomer (EPDM) material, inside not condensation under 27/24 operating mode, outside can condensation but do not drip or drip little water.
In above-described embodiment, from cost materials, the thickness of the first valve sleeve body 11 and the second valve sleeve body 12 is considered in 26S Proteasome Structure and Function aspect, as long as reach inside not condensation under 27/24 operating mode, outside can condensation but can not drip or drip the object of little water, all the other are according to assembly structure and Cost Design.
Further, the wall thickness range of the first valve sleeve body 11 can be 1mm ~ 10mm, and the wall thickness range of the second valve sleeve body 12 also can be 1mm ~ 10mm.The preferred thickness of the wall thickness of the first valve sleeve body 11 and the second valve sleeve body 12 is 5mm, because of by the restriction of installing space, local can thinner the latter thicker.
Due in prior art; valve cover and handle disjunctor are arranged; and the electric electric line outlets place of handle protection needs fire prevention; therefore; handle and valve cover all adopt refractory material, and stuffing box gland 1 provided by the invention and handle separate independent setting, and stuffing box gland 1 does not need to have fire-proof function; and can reduce costs by arranging stuffing box gland 1, reduce and take up room.
That enumerates air-conditioning valve 2 on the outdoor unit of air conditioner provided by the invention and stuffing box gland 1 below specifically arranges embodiment.
As shown in Figure 3; using the outdoor unit right sideboard 5 of air conditioner as substrate; the outdoor unit of air conditioner is provided with two air-conditioning valves 2; two air-conditioning valves 2 all can be fastened on outdoor unit right sideboard 5 by valve fastening screw trip bolt 6; then adopt corresponding being held on two air-conditioning valves 2 of two stuffing box glands 1 (including the first valve sleeve body 11 and the second valve sleeve body 12), play and prevent air-conditioning valve 2 condensation from dripping and protecting the effect of air-conditioning valve 2.Those skilled in the art it will be appreciated that, the magnitude setting of air-conditioning valve 2 can change certainly according to actual needs, and the concrete size of the stuffing box gland 1 of each air-conditioning valve 2 correspondence, and the structure structure of its correspondence all can carry out accommodation according to the concrete structure of air-conditioning valve 2.
As shown in figures 4-6, in air-conditioning valve 2 is packaged in relative to surrounding environment hermetic seal by stuffing box gland 1.
Present invention also offers a kind of illustrated embodiment of air control valve door assembly, in this illustrative examples, air control valve door assembly comprises the stuffing box gland 1 in air-conditioning valve 2 and above-mentioned any embodiment, and air-conditioning valve 2 is located in the stuffing box gland 1 relative to surrounding environment hermetic seal.
Present invention also offers a kind of illustrated embodiment of air conditioner, in this illustrative examples, air conditioner comprises indoor set and outdoor unit, outdoor unit is provided with the air control valve door assembly in above-mentioned any embodiment.Dispatch from the factory install time, after outdoor unit and pipeline are connected, stuffing box gland 1 fastening is arranged on air-conditioning valve 2.
In describing the invention; it will be appreciated that; the word such as " first ", " second " is used to limit component; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as limiting the scope of the invention.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope of request of the present invention protection.
Claims (11)
1. for a stuffing box gland for air-conditioning valve, it is characterized in that: described stuffing box gland (1) is configured to the chamber of its inner formation and surrounding environment hermetic seal, for arranging air-conditioning valve (2) within it.
2. stuffing box gland as claimed in claim 1, it is characterized in that: described stuffing box gland (1) comprises the first valve sleeve body (11) and the second valve sleeve body (12), described first valve sleeve body (11) and described second valve sleeve body (12) are provided with the sealing fastening structure cooperatively interacted.
3. stuffing box gland as claimed in claim 2, it is characterized in that: described sealing fastening structure comprises fastening structure (3), described fastening structure (3) comprises the groove (31) be located on described first valve sleeve body (11) and the respective bump (32) be arranged on described second valve sleeve body (12), and described projection (32) can join in described groove (31) matchingly described first valve sleeve body (11) and described second valve sleeve body (12) to be locked together.
4. stuffing box gland as claimed in claim 3, it is characterized in that: the cross section of described groove (31) and described projection (32) is trapezoidal, described groove (31) is configured to narrow gradually from bottom land to groove top, and described projection (32) can be locked in described groove (31).
5. stuffing box gland as claimed in claim 2, it is characterized in that: described sealing fastening structure comprises sealing configuration (4), described sealing configuration (4) comprise circumferentially edge be arranged on the first surface of contact on described first valve sleeve body (11) and circumferentially edge be arranged on the second surface of contact on described second valve sleeve body (12), the closing line between described first surface of contact and described second surface of contact is curve or broken line.
6. stuffing box gland as claimed in claim 5, it is characterized in that: the closing line between described first surface of contact and described second surface of contact comprises horizontal segment (41), and connect the L-type broken line (42) of described horizontal segment (41) and described fastening structure (3).
7. stuffing box gland as claimed in claim 3, is characterized in that: multiple described fastening structure (3) is arranged on the outer circumferential of described sealing fastening structure at interval.
8. stuffing box gland as claimed in claim 1, is characterized in that: described stuffing box gland (1) adopts rubber to make.
9. stuffing box gland as claimed in claim 8, is characterized in that: described rubber is ethylene propylene diene rubber.
10. an air control valve door assembly, it is characterized in that: comprise air-conditioning valve (2) and the stuffing box gland as described in any one of claim 1 ~ 9 (1), described air-conditioning valve (2) is located in the described stuffing box gland (1) relative to surrounding environment hermetic seal.
11. 1 kinds of air conditioners, comprise indoor set and outdoor unit, it is characterized in that: described outdoor unit is provided with air control valve door assembly as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268768.1A CN104819331B (en) | 2015-05-22 | 2015-05-22 | Sealing shroud, air-conditioning valve member and air conditioner for air-conditioning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268768.1A CN104819331B (en) | 2015-05-22 | 2015-05-22 | Sealing shroud, air-conditioning valve member and air conditioner for air-conditioning valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819331A true CN104819331A (en) | 2015-08-05 |
| CN104819331B CN104819331B (en) | 2017-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510268768.1A Active CN104819331B (en) | 2015-05-22 | 2015-05-22 | Sealing shroud, air-conditioning valve member and air conditioner for air-conditioning valve |
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| Country | Link |
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| CN (1) | CN104819331B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432257A (en) * | 2020-12-08 | 2021-03-02 | 合肥美的暖通设备有限公司 | Refrigerant cuts device and air conditioning system |
| CN112432258A (en) * | 2020-12-08 | 2021-03-02 | 合肥美的暖通设备有限公司 | Refrigerant cuts device and air conditioning system |
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| CN87209911U (en) * | 1987-06-05 | 1988-06-29 | 湖北省随州市化工设计研究所 | Double insulation material combined type cellpacking of thermodynamic pipeline |
| JPH07293924A (en) * | 1994-04-20 | 1995-11-10 | Fujitsu General Ltd | Indoor unit of air conditioner |
| CN2390057Y (en) * | 1999-09-21 | 2000-08-02 | 黄岩益华制冷空调阀门厂 | Temp.-controlled drain valve for window type cold and hot air conditioner |
| CN1611826A (en) * | 2003-10-29 | 2005-05-04 | 河南东风电力工程有限公司 | Valve protective cover |
| KR20100084000A (en) * | 2009-01-15 | 2010-07-23 | 엘지전자 주식회사 | Air conditioner |
| CN202254194U (en) * | 2011-09-22 | 2012-05-30 | 海信（山东）空调有限公司 | Stop valve cover for air conditioners |
| CN202853077U (en) * | 2012-09-17 | 2013-04-03 | 南方英特空调有限公司 | Upper and lower shell body groove matching structure of automobile air conditioning box body |
| CN204900999U (en) * | 2015-05-22 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioner valve subassembly and air conditioner |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87209911U (en) * | 1987-06-05 | 1988-06-29 | 湖北省随州市化工设计研究所 | Double insulation material combined type cellpacking of thermodynamic pipeline |
| JPH07293924A (en) * | 1994-04-20 | 1995-11-10 | Fujitsu General Ltd | Indoor unit of air conditioner |
| CN2390057Y (en) * | 1999-09-21 | 2000-08-02 | 黄岩益华制冷空调阀门厂 | Temp.-controlled drain valve for window type cold and hot air conditioner |
| CN1611826A (en) * | 2003-10-29 | 2005-05-04 | 河南东风电力工程有限公司 | Valve protective cover |
| KR20100084000A (en) * | 2009-01-15 | 2010-07-23 | 엘지전자 주식회사 | Air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432257A (en) * | 2020-12-08 | 2021-03-02 | 合肥美的暖通设备有限公司 | Refrigerant cuts device and air conditioning system |
| CN112432258A (en) * | 2020-12-08 | 2021-03-02 | 合肥美的暖通设备有限公司 | Refrigerant cuts device and air conditioning system |
| CN112432257B (en) * | 2020-12-08 | 2022-06-07 | 合肥美的暖通设备有限公司 | Refrigerant cuts device and air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819331B (en) | 2017-10-17 |
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