CN111623566A - One-way refrigerating system throttle valve - Google Patents
One-way refrigerating system throttle valve Download PDFInfo
- Publication number
- CN111623566A CN111623566A CN202010547797.2A CN202010547797A CN111623566A CN 111623566 A CN111623566 A CN 111623566A CN 202010547797 A CN202010547797 A CN 202010547797A CN 111623566 A CN111623566 A CN 111623566A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- spring
- valve body
- throttling
- limiting
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
Landscapes
- Safety Valves (AREA)
Abstract
The invention discloses a one-way refrigerating system throttle valve which consists of a valve body shell, a limiting spring, a nozzle slide block and a pressure relief notch, wherein the limiting spring is arranged on the valve body shell; a spring limiting structure and a nozzle limiting structure are arranged inside the valve body shell, a pressure relief notch is formed among the inner cavity of the valve body shell, the spring limiting structure and the nozzle limiting structure, one end of the nozzle sliding block is abutted against the nozzle limiting structure under the elastic force of the limiting spring, the nozzle sliding block covers the pressure relief notch, when one side of the nozzle sliding block is extruded by external force to the limiting spring, the limiting spring is continuously compressed, the pressure relief notch is exposed, the nozzle sliding block is provided with a nozzle, and the inside of the valve body shell is of a cavity structure; the nozzle slide block is in a funnel shape. The invention adopts the nozzle structure to achieve the purpose of expansion throttling, overcomes the tension of the spring through the pressure difference at the two ends of the nozzle sliding block, realizes the movement of the nozzle sliding block, throttles part of refrigerant from the pressure relief notch, removes the high pressure at the high pressure side, and realizes the stable operation of the unit under the high pressure working condition.
Description
Technical Field
The invention relates to the technical field of throttling components in refrigeration, air-conditioning and heat pump industries, in particular to a one-way refrigeration system throttling valve.
Background
The throttling component of the traditional refrigeration heat pump industry generally adopts an electronic expansion valve, a thermal expansion valve and a capillary tube to realize the throttling of the system. The electronic expansion valve has a complex structure, high processing cost, increased unit control cost and poor stability of electronic equipment, and is easy to lose control. The thermal expansion valve has a relatively complex structure, high processing cost and low control precision, and can not respond to valve opening in time according to pressure. And the capillary tube has a single structure and is not adjustable, so that the system is easy to have high-pressure failure under the working conditions of high load and high pressure.
To solve this problem, the present invention is hereby proposed.
Disclosure of Invention
The invention aims to provide a one-way refrigerating system throttle valve which ensures stable operation of a unit using the throttle valve under a high-pressure high-load working condition.
The purpose of the invention can be realized by the following technical scheme:
a one-way refrigerating system throttle valve is composed of a valve body shell, a limiting spring and a nozzle sliding block; the inside spring limit structure and the nozzle limit structure of being equipped with of valve body shell, spacing spring, nozzle slider are located the inner chamber of valve body shell, are equipped with the pressure release notch between the inner chamber of valve body shell, spring limit structure and nozzle limit structure, and the nozzle slider is under spacing spring's elastic action, and nozzle slider one end supports on nozzle limit structure, the nozzle slider covers the pressure release notch, receives external force extrusion limiting spring when one side of nozzle slider, and spacing spring continues the compression, and the pressure release notch exposes, the nozzle slider is equipped with the nozzle.
Furthermore, a throttling outlet is arranged in the middle of the spring limiting structure, and a throttling inlet is arranged in the middle of the nozzle limiting structure.
Further, the interior of the valve body shell is of a cavity structure.
Further, the nozzle slider is funnel-shaped.
Further, the nozzle slider also comprises a bottom, and the funnel shape formed by the nozzle slider forms a refrigerant channel, and the refrigerant enters from the bottom and flows out from the nozzle.
Further, the valve body housing includes an inlet and an outlet, and the refrigerant flowing through the valve body housing flows in from the inlet and flows out from the outlet.
Preferably, a rubber sealing ring is arranged between the nozzle limiting structure and the inner wall of the valve body shell.
Furthermore, the throttling outlet and the throttling inlet are of through hole structures, and the diameter of the throttling outlet is smaller than that of the throttling inlet.
Further, the limiting spring is in a compressed state in the inner cavity of the valve body shell.
Preferably, the limiting spring and the nozzle slide block are located in an inner cavity of the valve body shell, the limiting spring and the nozzle slide block are located in a space formed by the spring limiting structure and the nozzle limiting structure, one end of the limiting spring abuts against the spring limiting structure, the other end of the limiting spring abuts against the nozzle slide block, and the other end of the nozzle slide block abuts against the nozzle limiting structure.
The invention has the beneficial effects that:
1. the one-way refrigerating system throttling valve provided by the invention realizes the throttling effect of a refrigerating system, and can automatically adjust according to the pressure and automatically unload the pressure under a high-load working condition, so that the high pressure of the system is avoided.
2. The throttle valve of the one-way refrigeration system adopts a nozzle structure to replace capillary throttling so as to achieve the purpose of expansion throttling, and simultaneously overcomes the tension of a spring through the pressure difference at the two ends of a nozzle sliding block to realize the movement of the nozzle sliding block, throttle part of refrigerant from a pressure relief notch and unload overhigh pressure at a high-pressure side, thereby realizing the stable operation of a unit under the working condition of high pressure and high load.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic top view of the throttle valve of the unidirectional refrigeration system of the present invention operating in normal operation.
FIG. 2 is a schematic diagram of the front view of the throttle valve of the unidirectional refrigeration system of the present invention operating in normal operation.
Fig. 3 is a schematic top view of the throttle valve of the unidirectional refrigeration system of the present invention operating in a high pressure zone.
Fig. 4 is a schematic diagram of the front view of the throttle valve of the unidirectional refrigeration system of the present invention operating in the high pressure zone.
Reference numerals:
1-a valve body housing; 2-a limit spring; 3-nozzle slide block; 4-rubber sealing ring; 5-a nozzle; 6-pressure relief notch; 7-a spring limit structure; 8-a nozzle limiting structure; 9-a throttle inlet; 10-a throttle outlet; 11-an inlet; 12-an outlet; 13-bottom.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a throttle valve for a one-way refrigeration system comprises a valve body housing 1, a limiting spring 2, a nozzle slider 3, a nozzle 5, a pressure relief notch 6, a spring limiting structure 7, and a nozzle limiting structure 8; the valve body shell is characterized in that a spring limiting structure 7 and a nozzle limiting structure 8 are arranged inside the valve body shell 1, a throttling outlet 10 is arranged in the middle of the spring limiting structure 7, a throttling inlet 9 is arranged in the middle of the nozzle limiting structure 8, the throttling outlet 10 and the throttling inlet 9 are of through hole structures, and the diameter of the throttling outlet 10 is smaller than that of the throttling inlet 9.
Be equipped with pressure release notch 6 between the inner chamber of valve body shell 1, spring limit structure 7 and nozzle limit structure 8, nozzle slider 3 is under limit spring 2's elastic action, and 3 one ends of nozzle slider are supported on nozzle limit structure 8, nozzle slider 3 covers pressure release notch 6, receives external force extrusion limit spring 2 when one side of nozzle slider 3, and limit spring 2 continues the compression, and pressure release notch 6 exposes.
The interior of the valve body shell 1 is of a cavity structure.
Limiting spring 2, nozzle slider 3 are located the inner chamber of valve body shell 1, limiting spring 2, nozzle slider 3 are located the space that spring limit structure 7, nozzle limit structure 8 formed, limiting spring 2's one end is supported on spring limit structure 7, and the other end supports on nozzle slider 3, nozzle slider 3's the other end supports on nozzle limit structure 8.
Preferably, the limit spring 2 is in a compressed state in the inner cavity of the valve body housing 1.
The nozzle slide block 3 comprises a nozzle 5 and a bottom 13, the nozzle slide block 3 is funnel-shaped, the funnel shape formed by the nozzle slide block 3 forms a refrigerant channel, and the refrigerant enters from the bottom 13 and flows out from the nozzle 5.
The nozzle 5 is propped against one end of the limiting spring 2.
The valve body housing 1 includes an inlet 11 and an outlet 12, and the refrigerant flowing through the valve body housing 1 flows in from the inlet 11 and flows out from the outlet 12.
The nozzle slide block 3 slides left and right in a middle cavity formed by the spring limiting structure 7 and the nozzle limiting structure 8.
Preferably, a rubber sealing ring 4 is arranged between the nozzle limiting structure 8 and the inner wall of the valve body shell 1, and the rubber sealing ring is used for sealing the space between the nozzle limiting structure 8 and the valve body shell 1 and preventing the refrigerant from flowing out from the space between the nozzle limiting structure 8 and the valve body shell 1.
Referring to fig. 1-2, during the use, the left side welding of choke valve is in the low pressure side pipeline, and the right side welding is in the high pressure side pipeline, and when the unit ran under normal operating mode, unit pressure was moderate, and the refrigerant flowed to the left side from the right side, because the existence slider of limiting spring's spring pressure was pushed to the right side, and the nozzle slider covers the pressure release notch this moment, and the refrigerant leans on the nozzle completely to throttle.
Referring to fig. 3-4, when the unit operates in the high pressure region, due to the increase of the high pressure side pipeline on the right side, the pressure gradually overcomes the spring tension of the limiting spring, the nozzle sliding block is gradually pushed to the left side along with the increase of the pressure, the pressure relief notch is gradually exposed, and therefore a part of the refrigerant is throttled from the pressure relief notch. Thereby partial refrigerant has alleviated the nozzle and has throttled under high-pressure operation and leaded to the problem of system inadequately to the pressure release notch throttling, realizes the steady operation of unit under the operating mode.
Relative and electronic expansion valve, the structure of above-mentioned choke valve is simpler, simple to operate, and automatic pressure release control is stable, and the unit need not increase control cost alone.
When the high-pressure side pressure of the refrigeration system is large enough, the nozzle sliding block is pushed to the left side by the right side, and the pressure relief notch is exposed; and (4) normally operating the throttle valve, covering the pressure relief notch by the nozzle slide block, operating the throttle valve at high pressure, and exposing the nozzle slide block out of the pressure relief notch.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The throttle valve of the one-way refrigeration system is characterized by comprising a valve body shell (1), a limiting spring (2) and a nozzle sliding block (3); valve body shell (1) is inside to be equipped with spring limit structure (7) and nozzle limit structure (8), spacing spring (2), nozzle slider (3) are arranged in the inner chamber of valve body shell (1), are equipped with pressure release notch (6) between the inner chamber of valve body shell (1), spring limit structure (7) and nozzle limit structure (8), and nozzle slider (3) are under the elastic action of spacing spring (2), and nozzle slider (3) one end is supported on nozzle limit structure (8), nozzle slider (3) cover pressure release notch (6), receive external force extrusion spacing spring (2) when one side of nozzle slider (3), and spacing spring (2) continue to compress, and pressure release notch (6) expose, nozzle slider (3) are equipped with nozzle (5).
2. The throttling valve of the one-way refrigeration system according to claim 1, wherein a throttling outlet (10) is arranged in the middle of the spring limiting structure (7), and a throttling inlet (9) is arranged in the middle of the nozzle limiting structure (8).
3. The throttling valve for a unidirectional refrigeration system according to claim 1, characterized in that the interior of the valve body housing (1) is of a cavity structure.
4. The one-way refrigerant system throttling valve of claim 1, wherein the nozzle slider (3) is funnel-shaped.
5. The throttling valve for a one-way refrigerating system according to claim 1, wherein the nozzle slider (3) further comprises a bottom (13), the funnel shape formed by the nozzle slider (3) forms a refrigerant channel, and the refrigerant enters from the bottom (13) and flows out from the nozzle (5).
6. The throttle valve for a one-way refrigerant system according to claim 1, wherein the valve body housing (1) comprises an inlet (11) and an outlet (12), and the refrigerant flowing through the valve body housing (1) flows in from the inlet (11) and flows out from the outlet (12).
7. The throttling valve for the unidirectional refrigeration system according to claim 1, wherein a rubber sealing ring (4) is arranged between the nozzle limiting structure (8) and the inner wall of the valve body shell (1).
8. The throttling valve for a one-way refrigerating system according to claim 6, wherein the throttling outlet (10) and the throttling inlet (9) are of a through hole structure, and the diameter of the throttling outlet (10) is smaller than that of the throttling inlet (9).
9. The one-way refrigerant system throttling valve according to claim 1, wherein the limiting spring (2) is in a compressed state in the inner cavity of the valve body housing (1).
10. The throttling valve of the unidirectional refrigeration system according to claim 6, wherein the limiting spring (2) and the nozzle sliding block (3) are positioned in a space formed by the spring limiting structure (7) and the nozzle limiting structure (8), one end of the limiting spring (2) abuts against the spring limiting structure (7), the other end of the limiting spring abuts against the nozzle sliding block (3), and the other end of the nozzle sliding block (3) abuts against the nozzle limiting structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547797.2A CN111623566A (en) | 2020-06-16 | 2020-06-16 | One-way refrigerating system throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547797.2A CN111623566A (en) | 2020-06-16 | 2020-06-16 | One-way refrigerating system throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623566A true CN111623566A (en) | 2020-09-04 |
Family
ID=72269368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010547797.2A Pending CN111623566A (en) | 2020-06-16 | 2020-06-16 | One-way refrigerating system throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623566A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1037696A (en) * | 1962-06-05 | 1966-08-03 | Danfoss As | Improvements in or relating to pressure control valves |
| KR20040034101A (en) * | 2002-10-21 | 2004-04-28 | 한라공조주식회사 | A thermostatic expansion valve for variable capacity in used air conditioner |
| JP2006292184A (en) * | 2005-04-06 | 2006-10-26 | Tgk Co Ltd | Expansion device |
| CN202327280U (en) * | 2011-11-04 | 2012-07-11 | 上海元征机械设备有限责任公司 | Clog-proof throttle valve |
| CN203857098U (en) * | 2014-05-15 | 2014-10-01 | 青岛海尔空调器有限总公司 | Air conditioner depressurizing device and air conditioner |
| CN206206716U (en) * | 2016-10-10 | 2017-05-31 | 上海贝瑟环保科技有限公司 | Relief valve |
| JP2019002617A (en) * | 2017-06-14 | 2019-01-10 | ダイキン工業株式会社 | Freezing device |
| CN212619491U (en) * | 2020-06-16 | 2021-02-26 | 龙川纽恩泰新能源科技发展有限公司 | One-way refrigerating system throttle valve |
-
2020
- 2020-06-16 CN CN202010547797.2A patent/CN111623566A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1037696A (en) * | 1962-06-05 | 1966-08-03 | Danfoss As | Improvements in or relating to pressure control valves |
| KR20040034101A (en) * | 2002-10-21 | 2004-04-28 | 한라공조주식회사 | A thermostatic expansion valve for variable capacity in used air conditioner |
| JP2006292184A (en) * | 2005-04-06 | 2006-10-26 | Tgk Co Ltd | Expansion device |
| CN202327280U (en) * | 2011-11-04 | 2012-07-11 | 上海元征机械设备有限责任公司 | Clog-proof throttle valve |
| CN203857098U (en) * | 2014-05-15 | 2014-10-01 | 青岛海尔空调器有限总公司 | Air conditioner depressurizing device and air conditioner |
| CN206206716U (en) * | 2016-10-10 | 2017-05-31 | 上海贝瑟环保科技有限公司 | Relief valve |
| JP2019002617A (en) * | 2017-06-14 | 2019-01-10 | ダイキン工業株式会社 | Freezing device |
| CN212619491U (en) * | 2020-06-16 | 2021-02-26 | 龙川纽恩泰新能源科技发展有限公司 | One-way refrigerating system throttle valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212619491U (en) | One-way refrigerating system throttle valve | |
| US6293776B1 (en) | Method of connecting an economizer tube | |
| CN103415704B (en) | Swirl type cold compressor | |
| CN109643621A (en) | Voltage regulating type high voltage switch and the water purifier using the high-voltage switch gear | |
| CN103109091B (en) | Screw compressor | |
| CN109612141B (en) | Refrigerating unit and control method and control device thereof | |
| CN106895614B (en) | Compressor and liquid distributor thereof | |
| CN105333599A (en) | Air replenishing and enthalpy increasing air conditioning system | |
| CN111623566A (en) | One-way refrigerating system throttle valve | |
| CN108035879B (en) | Enthalpy increasing structure of compressor and scroll compressor | |
| CN210423025U (en) | Compressor and air conditioner | |
| CN109372754A (en) | Valve block, check valve assembly, compressor and air conditioner | |
| CN212378293U (en) | Two-way type refrigerating system choke valve | |
| CN108026925A (en) | Helical-lobe compressor | |
| CN217976603U (en) | Adjusting mechanism and compressor with same | |
| CN207316177U (en) | A kind of integrated form valve body | |
| CN102650293B (en) | Compressor and oil return structure thereof | |
| CN111811169B (en) | Two-way refrigerating system throttle valve | |
| CN116816674A (en) | Fluid machine and heat exchange device | |
| CN208380851U (en) | The increasing enthalpy structure and screw compressor of compressor | |
| CN209926692U (en) | Pressure-reducing dehumidifying refrigerator | |
| CN111396309A (en) | Scroll compressor with adjustable internal compression ratio, air conditioner and control method | |
| CN210801712U (en) | Spiral groove type self-adjusting pressure-reducing throttler | |
| CN210567499U (en) | Pressure reducer and pressure reducing device | |
| CN118517415B (en) | Valve plate, pump body assembly, enthalpy-increasing compressor and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |