CN101403379A - Intelligent control valve for automobile air conditioner - Google Patents
Intelligent control valve for automobile air conditioner Download PDFInfo
- Publication number
- CN101403379A CN101403379A CNA2008102348131A CN200810234813A CN101403379A CN 101403379 A CN101403379 A CN 101403379A CN A2008102348131 A CNA2008102348131 A CN A2008102348131A CN 200810234813 A CN200810234813 A CN 200810234813A CN 101403379 A CN101403379 A CN 101403379A
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- CN
- China
- Prior art keywords
- valve body
- intelligent control
- control valve
- push rod
- air conditioner
- 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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- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical group FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 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
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Temperature-Responsive Valves (AREA)
Abstract
The invention relates to an intelligent control valve used in an automobile air-conditioning, including an upper shield and a valve body; the side of the upper shield is provided with two vent holes, the inner chamber of the upper shield is provided with a corrugated pipe cavity formed by the sealing of a corrugated pipe and two end covers, the upper end cover is fixed at the bottom of the inner chamber of the upper shield, and the lower end cover is matched and fixed with a mandril; the mandril is of two-section form, the lower section is processed with a central hole, the sides of the central hole are respectively provided with a communicating groove and a communicating pore, and a ball is welded at the lowest part of the lower section; the valve body is fixedly connected with the upper shield, the two sides at the upper end of the valve body are provided with air inlets, and the lower end is provided with a high pressure air outlet, the center of the valve body is processed with a round hole which is matched with the mandril, a ball valve seat is fixed in a cavity at the lower end of the valve body and matched with the mandril with a gap, and the lowest end of the valve body is provided with a high pressure air inlet. The intelligent control valve automatically adjusts the swash plate angle and discharge capacity of a compressor according to the pressure difference, carries out automatic adjustment according to the temperature change in the automobile, and has the advantages of strong valve opening capacity and wide operating temperature.
Description
Technical field
The present invention relates to a kind of air-conditioning control valve, specifically relate to a kind of intelligent control valve for automobile air conditioner, belong to car air conditioner control technique field.
Background technique
Along with The development in society and economy, automobile is more and more universal, and personal car is more and more, brings a lot of convenience for people's trip.Comfort level during for driving and riding car all is equipped with air-conditioning on the general automobile.Air conditioning equipment of car in the market generally all adopts the fixed displacement compressor, the fixed displacement compressor arrangement is simple, need not use control valve, does not have the function of displacement variation, energy adjustment is by adhesive, the disconnection of temperature control magnetic clutch, makes compressor operating or stops to realize.Therefore, such compressor can cause the fluctuation of air conditioning condition, increases noise, automobile power is produced impact, and influence the stationarity of automobile running, and energy loss is big when automobile high-speed turns round.Also has at present car air conditioner that air-conditioning has been installed and become displacement control valve, but present control valve structure is all comparatively complicated, install also inconvenient, to the control cost of production and enhance productivity not really unfavorable.
Summary of the invention
In order to solve the deficiencies in the prior art, the object of the present invention is to provide a kind of discharge capacity that can change compressor, compressor displacement is changed automatically with vehicle interior temperature regulate, reduce that automobile power is produced the intelligent control valve for automobile air conditioner that impacts.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of intelligent control valve for automobile air conditioner, it is characterized in that comprising cover and valve body, last cover is the hollow cylinder of end sealing, on the side of last cover, be provided with two air outlet holes, be provided with the bellows cavity in the inner chamber of last cover, the bellows cavity is by bellows and two end cap airtight compositions, and upper end cap is fixed on the intracavity bottom of cover, processing is porose on lower end cap, cooperates with the hole and fixes with push rod; Described push rod is a two section type, and epimere is a solid cylinder, is processed with center hole on the hypomere, has connectivity slot and intercommunicating pore at the side of center hole, the position of connectivity slot on intercommunicating pore, hypomere below be welded with ball; Described valve body is fixedlyed connected with last cover, inlet hole is established in bi-side in the valve body upper end, on a side of lower end, establish the high pressure air outlet, the center of valve body is processed with circular hole, cooperate with push rod, at the cavity internal fixation ball valve seat of valve body lower end, ball valve seat and push rod Spielpassung are provided with the high pressure admission hole bottom at valve body.
Aforesaid intelligent control valve for automobile air conditioner is characterized in that being provided with spring up and down between the end cap at described bellows cavity.
Aforesaid intelligent control valve for automobile air conditioner is characterized in that the top of the epimere of push rod puts in the bellows cavity, is provided with guiding groove on the upper end cap of bellows cavity, and guiding groove cooperates with the top of push rod epimere.
Aforesaid intelligent control valve for automobile air conditioner is characterized in that the end face in described high pressure admission hole is provided with filter screen.
Aforesaid intelligent control valve for automobile air conditioner is characterized in that described cover and the valve body gone up, and its periphery is provided with multiple-sealed circle.
The invention has the beneficial effects as follows: intelligent control valve for automobile air conditioner of the present invention, be contained in the difference of regulating pressure of inspiration(Pi) and body internal pressure in the compressor by control valve automatically, thereby change the swash plate angle, and then reach and change the pistons work stroke, realized the variation of compressor displacement, eliminated owing to the frequent adhesive of magnetic clutch, disconnected the fluctuation that action causes engine speed, made automobile running more steady.Compressor displacement also can change automatically with vehicle interior temperature to be regulated, and reduces the fluctuation of vehicle interior temperature, keeps temperature to be in the optimum state, realize compressor free of discontinuities circulation continuous operation, and under the situation of automobile low speed and climbing, can prevent engine misses, reduce power consumption, have energy-efficient advantage.Simultaneously, has out the advantage that the valve ability is strong, serviceability temperature is wide.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail:
Fig. 1 is a structural representation of the present invention.
As shown in the figure, intelligent control valve for automobile air conditioner of the present invention, comprise cover 1 and valve body 2, last cover 1 is the hollow cylinder shape of end sealing, be provided with two air outlet holes 7 in the side, be provided with the bellows cavity in the inner chamber of last cover 1, the bellows cavity has bellows 4, upper end cap 3 and lower end cap 5 to constitute, and forms an airtight space.The upper end cap 3 of bellows cavity is fixed on the bottom of inner chamber, on lower end cap 5 center hole is set, and penetrates push rod in the hole, and fixedly connected in lower end cap 5.
Push rod is a two-part, and epimere 9 is a solid cylinder, and hypomere 12 is a cylindrical body also, is processed with center hole, has connectivity slot 10 at the side of center hole, is provided with intercommunicating pore 11 below connectivity slot 10, and epimere 9 and hypomere 12 are fixed by welding in together.Hypomere below welding ball 14.
Be provided with high pressure admission hole 16 bottom at valve body 2.For air inlet is filtered, the end face in high pressure admission hole 16 is equipped with filter screen 15.
In order to improve the sensitivity of bellows cavity action, between the upper end cap 3 of bellows cavity and lower end cap 5, spring 6 is installed.Simultaneously, the stability when moving up and down in order to strengthen push rod, the top of push rod puts in the bellows cavity, on upper end cap 3 guiding groove is set, and the top of push rod cooperates with guiding groove, controls the direction that moves up and down of push rod.
In addition, in order to improve the sealing after control valve is installed, at the arranged outside multiple-sealed circle of last cover 1 with valve body 2.
In the car air conditioner using process, when the suction side side pressure has surpassed control point pressure (control point pressure is setting value), illustrating needs to increase refrigerating capacity, higher pressure of inspiration(Pi) makes bellows 4 compressions, push rod rises thereupon, intercommunicating pore 11 docks with inlet hole 17, connectivity slot 10 communicates with the gap that the valve body top and bottom are covered between 5, passage from the low voltage side to the crankcase is opened, the crankcase portion gas is through inlet hole 17, intercommunicating pore 11, connectivity slot 10, air outlet hole 7 leads to suction side, has reduced crankcase pressure, and it is big that the compressor slanting plate inclination angle becomes, piston stroke increases, thereby has increased discharge capacity.Meanwhile, high side pressure is pushed ball 14 to ball valve seat 13 lower ends, fits tightly, and ball valve seat 13 is connected the passage sealing of high pressure side gas and crank case gases.So just stoped high pressure side gas to pass through crankcase.
Otherwise when suction side pressure drops to when being lower than the control point, bellows 4 expands, and overcomes the elastic force of spring 6, is being with push rod to move down, and makes intercommunicating pore 11 be communicated with the passage of cutoff low side with inlet hole 17 disengagings.Push rod drives ball 14 and moves down,, make it to leave the lower end of ball valve seat 13.Like this, pressurized gas enter crankcase by ball valve seat 13 and high pressure air outlet hole 18 successively, and crankcase pressure is increased, and the compressor slanting plate inclination angle diminishes, and piston stroke reduces, thereby has reduced discharge capacity.
It is strong that the present invention opens the valve ability: 0-6.0Mpa (inlet outlet pressure differential of do not influence opening of valves, closing), under-40～+ 90 ℃, all have out the valve ability, and serviceability temperature is wide, and working medium is HFC-134a, and the service voltage scope is DC9-14V.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technological scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (5)
1, intelligent control valve for automobile air conditioner, it is characterized in that comprising cover and valve body, last cover is the hollow cylinder of end sealing, on the side of last cover, be provided with two air outlet holes, be provided with the bellows cavity in the inner chamber of last cover, the bellows cavity is by bellows and two end cap airtight compositions, and upper end cap is fixed on the intracavity bottom of cover, processing is porose on lower end cap, cooperates with the hole and fixes with push rod; Described push rod is a two section type, and epimere is a solid cylinder, is processed with center hole on the hypomere, has connectivity slot and intercommunicating pore at the side of center hole, the position of connectivity slot on intercommunicating pore, hypomere below be welded with ball; Described valve body is fixedlyed connected with last cover, inlet hole is established in bi-side in the valve body upper end, on a side of lower end, establish the high pressure air outlet, the center of valve body is processed with circular hole, cooperate with push rod, at the cavity internal fixation ball valve seat of valve body lower end, ball valve seat and push rod Spielpassung are provided with the high pressure admission hole bottom at valve body.
2, intelligent control valve for automobile air conditioner according to claim 1 is characterized in that being provided with spring up and down between the end cap at described bellows cavity.
3, intelligent control valve for automobile air conditioner according to claim 1 is characterized in that the top of the epimere of push rod puts in the bellows cavity, is provided with guiding groove on the upper end cap of bellows cavity, and guiding groove cooperates with the top of push rod epimere.
4, intelligent control valve for automobile air conditioner according to claim 1 is characterized in that the end face in described high pressure admission hole is provided with filter screen.
5, intelligent control valve for automobile air conditioner according to claim 1 is characterized in that described cover and the valve body gone up, and its periphery is provided with multiple-sealed circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102348131A CN101403379A (en) | 2008-11-18 | 2008-11-18 | Intelligent control valve for automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102348131A CN101403379A (en) | 2008-11-18 | 2008-11-18 | Intelligent control valve for automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101403379A true CN101403379A (en) | 2009-04-08 |
Family
ID=40537489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102348131A Pending CN101403379A (en) | 2008-11-18 | 2008-11-18 | Intelligent control valve for automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101403379A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539328A (en) * | 2018-11-03 | 2019-03-29 | 北京市泰坦不锈钢厨具有限责任公司 | Energy-saving stove |
| CN110770440A (en) * | 2017-06-19 | 2020-02-07 | 三电汽车部件株式会社 | Control valve for variable capacity compressors |
| CN113280177A (en) * | 2021-07-05 | 2021-08-20 | 佛山市南海科惠汽配有限公司 | Corrugated pipe for electric control valve |
| CN117307327A (en) * | 2023-09-22 | 2023-12-29 | 合肥江航飞机装备股份有限公司 | A double-stop bellows assembly |
-
2008
- 2008-11-18 CN CNA2008102348131A patent/CN101403379A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770440A (en) * | 2017-06-19 | 2020-02-07 | 三电汽车部件株式会社 | Control valve for variable capacity compressors |
| CN110770440B (en) * | 2017-06-19 | 2021-08-03 | 三电汽车部件株式会社 | Control valve for variable capacity compressors |
| CN109539328A (en) * | 2018-11-03 | 2019-03-29 | 北京市泰坦不锈钢厨具有限责任公司 | Energy-saving stove |
| CN109539328B (en) * | 2018-11-03 | 2020-06-30 | 北京市泰坦不锈钢厨具有限责任公司 | Energy-saving stove |
| CN113280177A (en) * | 2021-07-05 | 2021-08-20 | 佛山市南海科惠汽配有限公司 | Corrugated pipe for electric control valve |
| CN117307327A (en) * | 2023-09-22 | 2023-12-29 | 合肥江航飞机装备股份有限公司 | A double-stop bellows assembly |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090408 |