CN203964470U - Cross valve and air-conditioner - Google Patents
Cross valve and air-conditioner Download PDFInfo
- Publication number
- CN203964470U CN203964470U CN201420188416.6U CN201420188416U CN203964470U CN 203964470 U CN203964470 U CN 203964470U CN 201420188416 U CN201420188416 U CN 201420188416U CN 203964470 U CN203964470 U CN 203964470U
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- China
- Prior art keywords
- tube connector
- valve
- communicated
- escape pipe
- interface
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- Expired - Fee Related
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- 230000005494 condensation Effects 0.000 claims abstract description 10
- 238000009833 condensation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of cross valve, comprise main valve and the magnetic valve being connected with main valve, described main valve comprises exhaust port, air intake duct interface, evaporation side mouthpiece and condensation side mouthpiece; The described pressue device that also comprises, described pressue device comprises the pump housing, air inlet pipe and escape pipe, and the described pump housing is communicated with described air inlet pipe and escape pipe respectively, and described air inlet pipe is communicated with described air intake duct interface, and escape pipe is communicated with described exhaust port.The invention also discloses a kind of air-conditioner.The utility model has improved the reliability of operation of air conditioner.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to cross valve and air-conditioner.
Background technology
Along with the development of air-conditioning technical, air-conditioner is popularized.As everyone knows, air-conditioner, when commutating, adopts cross valve to carry out refrigerant commutation conventionally.As shown in Figure 1, existing cross valve generally includes main valve 10 and the magnetic valve 20 being connected with main valve 10, wherein said main valve comprises exhaust port 11, air intake duct interface 12, evaporation side mouthpiece 13, condensation side mouthpiece 14, plunger shaft 15 and main slide valve 16, by the power on/off state of magnetic valve 20, the pressure reduction at plunger shaft 15 two ends, left and right is changed, thereby drive main slide valve 16 to horizontally slip in plunger shaft 15, control exhaust port 11, air intake duct interface 12, evaporation side mouthpiece 13 and condensation side mouthpiece 14 connected states.But in the process of sliding at main slide valve 16; because air intake duct interface 12, evaporation side mouthpiece 13 and condensation side mouthpiece 14 exist situation about being interconnected; cause the pressure reduction between exhaust port 11 and air intake duct interface 12 to reduce; the pressure reduction at plunger shaft 15 two ends, left and right is reduced; cannot overcome the frictional force between main slide valve 16 and plunger shaft 15; and then cause main slide valve 16 to slide, and make the air-conditioner cannot normal commutation, affect the reliability that air-conditioning is used.
Foregoing is only understood the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of have identical inventive concept cross valve and air-conditioner, is intended to improve the reliability of operation of air conditioner.
To achieve these goals, the cross valve that the utility model provides, comprises main valve and the magnetic valve being connected with main valve, and described main valve comprises exhaust port, air intake duct interface, evaporation side mouthpiece and condensation side mouthpiece; Described cross valve also comprises pressue device, and described pressue device comprises the pump housing, air inlet pipe and escape pipe, and the described pump housing is communicated with described air inlet pipe and escape pipe respectively, and described air inlet pipe is communicated with described air intake duct interface, and escape pipe is communicated with described exhaust port.
Preferably, described main valve comprises also plunger shaft and the main slide valve that is positioned at plunger shaft; Described magnetic valve comprises valve body chamber, the first tube connector, the second tube connector, the 3rd tube connector, the 4th tube connector, spring, pilot slide valve and solenoid; Described the first tube connector, the second tube connector, the 3rd tube connector and the 4th tube connector are all communicated with described valve body chamber, the other end of described the first tube connector is communicated with described exhaust port, the other end of described the second tube connector is connected and connects with one end of described plunger shaft, the other end of described the 3rd tube connector is communicated with described air intake duct interface, and described the 4th other end of tube connector and the other end of described plunger shaft are connected and connect; Described spring and described pilot slide valve are positioned at described valve body chamber, and described solenoid is located at the one end in valve body chamber; Described solenoid coordinates the described pilot slide valve of control to slide in described valve body chamber with described spring, so that described the first tube connector is communicated with the second tube connector, the 3rd tube connector is communicated with the 4th tube connector; Or described the first tube connector is communicated with the 4th tube connector, the second tube connector and the 3rd tube connector are communicated with.
Preferably, described the first tube connector is provided with three-way connection, and described escape pipe is connected with described three-way connection; Described three-way connection comprises first interface, the second interface and the 3rd interface being interconnected, described the first tube connector comprises leading portion tube connector and back segment tube connector, wherein one end of leading portion tube connector and the first interface of described three-way connection are connected, and the other end is connected with described exhaust port; One end of back segment tube connector is connected with the second interface of described three-way connection, and the other end is connected with described valve body chamber; Described escape pipe is connected with the 3rd interface of three-way connection.
Preferably, described air inlet pipe and/or described escape pipe are provided with for controlling refrigerant and through described air inlet pipe and escape pipe, flow into the check valve of described exhaust port.
Preferably, the described pump housing is canned motor pump.
Preferably, the internal diameter of described air inlet pipe is greater than the internal diameter of described and escape pipe.
The air-conditioner that the utility model further provides, comprises cross valve, and described cross valve comprises main valve and the magnetic valve being connected with main valve, and described main valve comprises exhaust port, air intake duct interface, evaporation side mouthpiece and condensation side mouthpiece; Described cross valve also comprises pressue device, and described pressue device comprises the pump housing, air inlet pipe and escape pipe, and the described pump housing is communicated with described air inlet pipe and escape pipe respectively, and described air inlet pipe is communicated with described air intake duct interface, and escape pipe is communicated with described exhaust port.
The utility model is by pressue device is set, and before carrying out cross valve switching, the gas of air intake duct interface is discharged into exhaust port after by pressurized treatment, thereby increased the pressure reduction between exhaust port and air intake duct interface.Make cross valve when switching, increased the pressure reduction at plunger shaft two ends, therefore can effectively prevent because the pressure reduction at plunger shaft two ends is lower, cause normally completing commutation; Thereby improved the reliability of operation of air conditioner.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional cross valve;
The structural representation of a state in Fig. 2 the utility model cross valve one embodiment;
The structural representation of another state in Fig. 3 the utility model cross valve one embodiment;
The structural representation of pressue device in Fig. 4 the utility model cross valve one embodiment.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of cross valve, with reference to Fig. 2 and Fig. 3, in one embodiment, this cross valve comprises main valve 10 and the magnetic valve 20 being connected with main valve 10, described main valve 10 comprises exhaust port 11, air intake duct interface 12, evaporation side mouthpiece 13 and condensation side mouthpiece 14, described cross valve also comprises pressue device 30, described pressue device 30 comprises the pump housing 31, air inlet pipe 32 and escape pipe 33, the described pump housing 31 is communicated with described air inlet pipe 32 and escape pipe 33 respectively, described air inlet pipe 32 is communicated with described air intake duct interface 12, escape pipe 33 is communicated with described exhaust port 11.
Particularly, above-mentioned main valve 10 comprises also plunger shaft 15 and the main slide valve 16 that is positioned at plunger shaft; Described magnetic valve 20 comprises the first tube connector 21, the second tube connector 22, the 3rd tube connector 23, the 4th tube connector 24, valve body chamber 25, spring 26, pilot slide valve 27 and solenoid 28; Described the first tube connector 21, the second tube connector 22, the 3rd tube connector 23 and the 4th tube connector 24 are all communicated with described valve body chamber 25, the other end of described the first tube connector 21 is communicated with described exhaust port 11, the other end of described the second tube connector 22 is connected and connects with one end of described plunger shaft 15, the other end of described the 3rd tube connector 23 is communicated with described air intake duct interface 12, and the other end of described the 4th tube connector 24 is connected and connects with the other end of described plunger shaft 15; Described spring 26 and described pilot slide valve 27 are positioned at described valve body chamber 25, and described solenoid 28 is located at the one end in valve body chamber 25; Described solenoid 28 coordinates with described spring 26 controls described pilot slide valve 27 in the 25 interior slips of described valve body chamber, so that described the first tube connector 21 is communicated with the second tube connector 22, the 3rd tube connector 23 is communicated with the 4th tube connector 24; Or described the first tube connector 21 is communicated with the 4th tube connector 24, the second tube connector 22 and the 3rd tube connector 23 are communicated with.
In the present embodiment, above-mentioned cross valve is applied in air-conditioner, above-mentioned exhaust port 11 is connected with the blast pipe of compressor, above-mentioned air intake duct interface 12 is connected with the air intake duct of compressor, above-mentioned evaporation side mouthpiece 13 is connected with indoor rapid steamer, and above-mentioned condensation side mouthpiece 14 is connected with outdoor condenser.One end of above-mentioned spring 26 is fixedly connected with the inwall in valve body chamber 25, and the other end is fixedly connected with described pilot slide valve 27.
During work, if current solenoid 28 in off-position, pilot slide valve 27 moves to left under the driving of right side spring 26; Now the first tube connector 21 and the 4th tube connector 24 are communicated with, and the second tube connector 22 and the 3rd tube connector 23 are communicated with.Gases at high pressure in exhaust port 11 will enter the right-hand member of plunger shaft 15 by the first tube connector 21 and the 4th tube connector 24, because plunger shaft 15 two ends exist pressure reduction, main slide valve 16 will be moved to left, and the gas of plunger shaft 15 left ends will be discharged by the second tube connector 22 and the 3rd tube connector 23.Now exhaust port 11 is communicated with condensation side mouthpiece 14, and air intake duct interface 12 and evaporation side mouthpiece 13 are communicated with.
When carrying out cross valve commutation, first start pressue device 30 gas at air intake duct interface 12 places is pressurizeed and exports exhaust port 11 places to, thereby increase the pressure reduction between exhaust port 11 and air intake duct interface 12.Then control solenoid 28 and power on, now the first tube connector 21 and the second tube connector 22 are communicated with, and the 3rd tube connector 23 and the 4th tube connector 24 are communicated with.Gases at high pressure in exhaust port 11 will enter the left end of plunger shaft by the first tube connector 21 and the second tube connector 22, because plunger shaft 15 two ends exist pressure reduction, main slide valve 16 will be moved to right, and the gas of plunger shaft 15 right-hand members will be discharged by the 4th tube connector 24 and the 3rd tube connector 23.
The utility model is by pressue device 30 is set, and before carrying out cross valve switching, the gas at air intake duct interface 12 places is discharged into exhaust port 11 after by pressurized treatment, thereby increased the pressure reduction between exhaust port 11 and air intake duct interface 12.Make cross valve when switching, increased the pressure reduction at plunger shaft 15 two ends, therefore can effectively prevent from, because the pressure reduction at plunger shaft 15 two ends is lower, causing normally completing commutation; Thereby improved the reliability of operation of air conditioner.
It should be noted that because air-conditioner of the prior art adopts frequency-changeable compressor conventionally and carry out work, and at compressor, under low frequency state, easily occur the lower situation of pressure reduction at plunger shaft 15 two ends; Therefore can be only at compressor, during in low frequency operation state, control pressue device 30 and move before cross valve commutation, concrete working time and control mode not be done the restriction of a step at this.
Particularly, the position that above-mentioned escape pipe 33 arranges can arrange according to actual needs, and preferably, above-mentioned the first tube connector 21 is provided with three-way connection 211, and described escape pipe 33 is connected with described three-way connection 211.
In the present embodiment, above-mentioned three-way connection 211 comprises first interface, the second interface and the 3rd interface being interconnected, above-mentioned the first tube connector 21 comprises leading portion tube connector and back segment tube connector, wherein one end of leading portion tube connector is connected with the first interface of described three-way connection 211, and the other end is connected with described exhaust port 11; One end of back segment tube connector is connected with the second interface of described three-way connection 211, and the other end is connected with described valve body chamber 25; Above-mentioned escape pipe 33 is connected with the 3rd interface of three-way connection 211, thereby is communicated with exhaust port 11 by described leading portion tube connector.
Further, in conjunction with reference to Fig. 4, above-mentioned air inlet pipe 32 and/or described escape pipe 33 are provided with for controlling refrigerant and through described air inlet pipe and escape pipe, flow into the check valve 34 of described exhaust port 11.
In the present embodiment, above-mentioned check valve 34 can only arrange one in air inlet pipe 32 or escape pipe 33, also can in air inlet pipe 32 and escape pipe 33, all arrange one simultaneously.Owing to being provided with check valve 34, thereby can effectively prevent at the pump housing 31 when not working, refrigerant flow to air intake duct interface 12 from exhaust port 11 through escape pipe 33 and air inlet pipe 32, thereby has guaranteed the normal work of air-conditioner, has therefore improved the stability of air-conditioner operation.
The structure that it should be noted that the above-mentioned pump housing 31 can arrange according to actual needs, and in the present embodiment, the above-mentioned pump housing is preferably canned motor pump, for example, can adopt accurate miniature canned motor pump.Be understandable that, above-mentioned air inlet pipe 32 and escape pipe 33 are capillary, and above-mentioned check valve 34 can adopt machinery automatic control check valve.
It should be noted that the internal diameter size of above-mentioned air inlet pipe 32 and the large I of internal diameter of escape pipe 33 arrange according to actual needs, in the present embodiment, preferably, the internal diameter of above-mentioned air inlet pipe 32 is greater than the internal diameter of described and escape pipe 33.Thereby can guarantee that refrigerant passes through pump housing pressurization and delivers to escape pipe 33, and understand shape expulsion pressure when escape pipe 33 flows out.
The utility model also provides a kind of air-conditioner, and this air-conditioner comprises cross valve, and the structure of this cross valve can, with reference to above-described embodiment, not repeat them here.Naturally, because the air-conditioner of the present embodiment has adopted the technical scheme of above-mentioned cross valve, so this air-conditioner has all beneficial effects of above-mentioned cross valve.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a cross valve, comprise main valve and the magnetic valve being connected with main valve, described main valve comprises exhaust port, air intake duct interface, evaporation side mouthpiece and condensation side mouthpiece, it is characterized in that, also comprise pressue device, described pressue device comprises the pump housing, air inlet pipe and escape pipe, and the described pump housing is communicated with described air inlet pipe and escape pipe respectively, described air inlet pipe is communicated with described air intake duct interface, and escape pipe is communicated with described exhaust port;
Described main valve comprises also plunger shaft and the main slide valve that is positioned at plunger shaft; Described magnetic valve comprises valve body chamber, the first tube connector, the second tube connector, the 3rd tube connector, the 4th tube connector, spring, pilot slide valve and solenoid; Described the first tube connector, the second tube connector, the 3rd tube connector and the 4th tube connector are all communicated with described valve body chamber, the other end of described the first tube connector is communicated with described exhaust port, the other end of described the second tube connector is connected and connects with one end of described plunger shaft, the other end of described the 3rd tube connector is communicated with described air intake duct interface, and described the 4th other end of tube connector and the other end of described plunger shaft are connected and connect; Described spring and described pilot slide valve are positioned at described valve body chamber, and described solenoid is located at the one end in valve body chamber; Described solenoid coordinates the described pilot slide valve of control to slide in described valve body chamber with described spring, so that described the first tube connector is communicated with the second tube connector, the 3rd tube connector is communicated with the 4th tube connector; Or described the first tube connector is communicated with the 4th tube connector, the second tube connector and the 3rd tube connector are communicated with.
2. cross valve as claimed in claim 1, is characterized in that, described the first tube connector is provided with three-way connection, and described escape pipe is connected with described three-way connection; Described three-way connection comprises first interface, the second interface and the 3rd interface being interconnected, described the first tube connector comprises leading portion tube connector and back segment tube connector, wherein one end of leading portion tube connector and the first interface of described three-way connection are connected, and the other end is connected with described exhaust port; One end of back segment tube connector is connected with the second interface of described three-way connection, and the other end is connected with described valve body chamber; Described escape pipe is connected with the 3rd interface of three-way connection.
3. cross valve as claimed in claim 1, is characterized in that, described air inlet pipe and/or described escape pipe are provided with for controlling refrigerant and through described air inlet pipe and escape pipe, flow into the check valve of described exhaust port.
4. cross valve as claimed any one in claims 1 to 3, is characterized in that, the described pump housing is canned motor pump.
5. cross valve as claimed in claim 4, is characterized in that, the internal diameter of described air inlet pipe is greater than the internal diameter of described and escape pipe.
6. an air-conditioner, is characterized in that, comprises the cross valve as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188416.6U CN203964470U (en) | 2014-04-17 | 2014-04-17 | Cross valve and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188416.6U CN203964470U (en) | 2014-04-17 | 2014-04-17 | Cross valve and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964470U true CN203964470U (en) | 2014-11-26 |
Family
ID=51925044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188416.6U Expired - Fee Related CN203964470U (en) | 2014-04-17 | 2014-04-17 | Cross valve and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674479A (en) * | 2016-01-04 | 2016-06-15 | 广东美的暖通设备有限公司 | Operation control method and device for multi-split air conditioner |
| CN106050783A (en) * | 2016-08-17 | 2016-10-26 | 苏州三花空调部件有限公司 | Four-way valve assembly capable of conducting guiding and ventilating |
-
2014
- 2014-04-17 CN CN201420188416.6U patent/CN203964470U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674479A (en) * | 2016-01-04 | 2016-06-15 | 广东美的暖通设备有限公司 | Operation control method and device for multi-split air conditioner |
| CN105674479B (en) * | 2016-01-04 | 2019-03-08 | 广东美的暖通设备有限公司 | Multi-gang air-conditioner progress control method and device |
| CN106050783A (en) * | 2016-08-17 | 2016-10-26 | 苏州三花空调部件有限公司 | Four-way valve assembly capable of conducting guiding and ventilating |
| CN106050783B (en) * | 2016-08-17 | 2017-12-05 | 苏州三花空调部件有限公司 | A kind of four-way valve module for being oriented to ventilation |
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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: 20141126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |