WO2024041495A1 - Soupape de charge à capacité de commande active - Google Patents

Soupape de charge à capacité de commande active Download PDF

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Publication number
WO2024041495A1
WO2024041495A1 PCT/CN2023/114137 CN2023114137W WO2024041495A1 WO 2024041495 A1 WO2024041495 A1 WO 2024041495A1 CN 2023114137 W CN2023114137 W CN 2023114137W WO 2024041495 A1 WO2024041495 A1 WO 2024041495A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve core
filling
flow chamber
core
Prior art date
Application number
PCT/CN2023/114137
Other languages
English (en)
Chinese (zh)
Inventor
冯光华
陈狄永
周峰
楼峰
Original Assignee
浙江盾安人工环境股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Publication of WO2024041495A1 publication Critical patent/WO2024041495A1/fr

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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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

Definitions

  • the present application relates to the technical field of refrigeration control, and specifically relates to an actively controllable filling valve.
  • the refrigerant needs to be charged into the refrigeration system through the refrigerant charging equipment.
  • the charging valve is installed between the refrigerant charging equipment and the refrigeration system and can connect or disconnect the refrigerant.
  • the refrigerant charging passage between the charging equipment and the refrigeration system; the refrigerant is flammable and explosive, and can form an explosive mixture when mixed with air. There is a danger of combustion and explosion when exposed to heat sources and open flames.
  • the traditional charging valve includes a valve seat and a charging joint arranged on the valve seat.
  • a valve cavity is formed in the valve seat.
  • the charging joint connects and penetrates the valve cavity, and then connects the refrigerant tank, vacuum pump, pressure gauge, etc.
  • a charging channel is formed to realize the function of charging refrigerant.
  • the charging joint When the traditional charging valve is used to charge refrigerant, the charging joint needs to be connected to the charging port through hole. The moment when the charging port through hole is connected, the cone surface of the charging port valve has not yet met, and the charging port valve If the core has been pushed open, it will cause external communication in a short period of time. At this time, because there is pressure in the charging valve, the refrigerant will spray out quickly, and the leakage amount cannot be controlled manually, which may easily cause combustion due to refrigerant leakage. Explosion safety risk.
  • the embodiment of the present application provides an actively controllable filling valve, which includes a valve body.
  • a flow chamber is provided on the inside of the valve body. One end of the flow chamber is connected to a pipeline, and the other end is connected to a filling part;
  • a valve core is provided in the flow chamber, and the valve body is provided with a valve port.
  • the valve core can be away from or abut against the valve port to open and close the flow chamber; when the filling part and the filling part Before the hose is connected or disconnected, the valve core moves in a direction close to the valve port and contacts the valve port or a seal provided on the valve port to disconnect the flow chamber, so The filling part is not connected to the pipeline; when the filling part is connected to the filling hose, the valve core moves in a direction away from the valve port and conducts the flow chamber, and the filling part The injection part communicates with the pipeline through the flow cavity.
  • the outer surface of the valve core is provided with external threads, and the inner surface of the valve body forming the flow chamber is provided with internal threads; the valve body and the valve core are threadedly matched, and the valve body is threadedly coupled to the valve core through the rotary valve. core, thereby realizing the valve core moving up and down in the flow chamber.
  • At least one layer of sealing structure is provided in the gap between the valve core and the flow chamber.
  • the sealing structure is located on the outer periphery of the valve core. Along the radial direction of the valve core, the sealing structure is The sealing structure is pressed between the inner surface forming the flow channel and the valve core.
  • the sealing structure is a sealing ring
  • the valve core includes a groove along the radial direction of the valve core.
  • the groove is recessed inward from the outer circumferential surface of the valve core, and the sealing A portion of the ring is located in the groove, and the sealing ring is pressed between the bottom wall of the groove and the inner surface of the valve body forming the flow chamber.
  • the number of the sealing structures is two or more, and the sealing structures are arranged at intervals along the axial direction of the valve core.
  • the valve core includes a fitting portion, the cross-sectional shape of the fitting portion is triangular or trapezoidal, and the valve core contacts the valve port through the fitting portion.
  • part of the fitting portion passes through the communication hole, and the fitting portion is in contact with the side peripheral wall of the sealing member forming the communication hole.
  • the actively controllable filling valve further includes a limiting clamp ring and a clamping groove.
  • the clamping groove is formed by being recessed inward from the inner surface forming the flow cavity along the radial direction of the flow cavity.
  • Part of the limiting collar is located in the groove, along the axial direction of the flow channel, the valve core is located between the limiting collar and the valve port, and the limiting collar The cap is arranged closer to the filling valve than the valve port.
  • the valve body is made of stainless steel, an inner hexagonal groove is provided on one side of the valve core, and a cap is provided on one end of the valve body close to the inner hexagonal groove.
  • Figure 1 is a schematic structural diagram of an actively controllable filling valve in an embodiment of the present application.
  • Figure 2 is a schematic diagram of an actively controllable filling valve closing a flow chamber in an embodiment of the present application.
  • Figure 3 is a schematic diagram of an actively controllable filling valve connected to a filling hose in an embodiment of the present application.
  • the above-mentioned drawings include the following reference signs: 200. Charging valve; 100. Valve body; 110. Flow chamber; 1101. Card slot; 1102. Internal thread; 111. Valve core; 1111. Groove; 1112. External thread; 112. Internal hexagonal groove; 113. Fitting part; 114. Cap; 115. Limiting collar; 120. Pipe; 121. Valve port; 1211. Accommodating groove; 130. Filling 140. Seal; 1401. Communication hole; 150. Sealing structure; 300. Filling hose.
  • the charging valve is a device used to block or connect the refrigerant valve cavity and passage.
  • the charging hose needs to be connected to the charging port. The moment when the charging port through hole is connected, a short time will be caused.
  • the internal and external connections lead to refrigerant leakage in the valve body, which can easily lead to safety risks of combustion and explosion due to refrigerant leakage.
  • the refrigeration equipment is in a positive pressure state, the pressure inside the refrigeration equipment is also different depending on the type of refrigerant inside the pipeline. Especially for some high-pressure refrigeration equipment, the refrigerant pressure in the equipment can reach dozens of atmospheres.
  • FIG. 1 is a schematic structural diagram of an actively controllable filling valve 200 in an embodiment of the present application.
  • the present application provides an actively controllable filling valve 200, which includes: a valve body 100.
  • a flow chamber 110 is provided inside the valve body 100, and one end of the flow chamber 110 is connected to a pipeline 120. , the other end is connected to the charging part 130;
  • the flow chamber 110 is provided with a valve core 111, and the valve body 100 is provided with a valve port 121.
  • valve port 121 forms a part of the flow chamber 110, and the valve core 111 can stay away from or come into contact with the valve port 121 to open and close the flow chamber 110, so that the pipeline 120 is connected or not connected with the filling part 130; when the filling part 130 is connected to the filling hose 300, The valve core 111 moves in a direction away from the valve port 121 and conducts the flow channel 110 to achieve filling; when the filling part 130 is connected or disconnected from the filling hose 300, The valve core 111 moves in a direction close to the valve port 121 and abuts the valve port 121 to disconnect the flow channel 110 to avoid possible accidents caused when the filling part 130 is connected or disconnected from the filling hose 300 Refrigerant leak.
  • the present application provides another actively controllable filling valve 200 and a valve body 100.
  • a flow chamber 110 is provided inside the valve body 100. One end of the flow chamber 110 is connected to a pipeline 120 and the other end is connected to a filling valve. Injection part 130; the flow cavity 110 is provided with a valve core 111, the valve body 100 is provided with a valve port 121, the valve port 121 is provided with a seal 140, the valve core 111 can be away from or against all The seal 140 thereby switches on and off the flow channel 110; before the filling part 130 is connected or disconnected from the filling hose 300, the valve core 111 moves in a direction close to the valve port 121 and connects with the filling part 130.
  • the seal 140 contacts and disconnects the flow channel 110, and the filling part 130 is not connected with the pipe 120; when the filling part 130 is connected to the filling hose 300, the valve core 111 moves in a direction away from the valve port 121 and leads to the flow chamber 110 , and the filling part 130 communicates with the pipe 120 through the flow chamber 110 .
  • the valve body 100 is provided with a flow channel 110.
  • the filling hose 300 of the filling device is connected to the filling part 130 or the filling hose 300 is When the part 130 is disconnected, there is a short-term communication between the filling part 130 and the flow chamber 110.
  • the valve core 111 in the flow chamber 110 can be set to contact the valve port 121 to block the flow chamber. 110, ensuring that the refrigerant in the flow chamber 110 will not rush out of the charging part 130 due to pressure, thereby causing a large amount of leakage, and can effectively control the leakage amount during the charging connection of the valve body 100 and concentration, reducing safety risks due to refrigerant leakage during charging connections.
  • FIG. 2 and 3 there is a schematic structural diagram of an actively controllable filling valve 200 closing the flow chamber 110 and connecting the filling hose 300 in an embodiment of the present application.
  • a valve core 111 is provided in the flow chamber 110, and an external thread 1112 is provided on the outer surface of the valve core 111.
  • the valve body 100 forms the The inner surface of the flow cavity 110 is provided with internal threads 1102; the valve body 100 and the valve core 111 are threaded, and the valve core 111 is rotated to realize the up and down movement of the valve core 111 in the flow cavity 110. Move; at the same time, the valve core 111 is maintained at the middle position of the flow chamber 110 without the need for auxiliary parts such as positioning rings and retaining rings.
  • auxiliary parts since there is no need for auxiliary parts, the impact of the installation of auxiliary parts on the movement and positioning of the valve core 111 is avoided. For example, if the auxiliary parts are missing, not installed in place, or are installed incorrectly, causing the valve core 111 to be affected by the movement inside the valve body. The risk of pressure flying out; on the other hand, compared with the use of auxiliary parts such as retaining rings for positioning in traditional technology, the structural cooperation between the flow chamber 110 and the valve core 111 can be used to achieve the positioning of the valve core 111. The assembly reliability is effectively improved, thereby improving the use safety of the valve core 111.
  • the valve body 100 is made of stainless steel.
  • the filling valve 200 of the present application can reduce the material cost of the valve body.
  • the filling valve 200 can reduce the material cost of the valve body.
  • the filling valve 200 can reduce the material cost of the valve body.
  • the filling valve 200 can reduce the material cost of the valve body.
  • the filling valve 200 can reduce the material cost of the valve body.
  • the filling valve 200 can reduce the material cost of the valve body.
  • a valve core 111 is provided in the flow chamber 110, and the central axis of the valve core 111 coincides with the central axis of the pipe 120.
  • the valve core 111 When rotating in the valve cavity of the flow chamber 110, the valve core 111 can move up and down along the central axis of the pipe 120 under the cooperation of the thread, so as to connect with all the parts of the valve body 100.
  • the valve port 121 abuts or separates to achieve the cutoff or flow of the refrigerant in the flow cavity 110 .
  • At least one layer of sealing structure 150 is provided in the gap between the valve core 111 and the flow chamber 110 .
  • at least one layer of sealing structure 150 is provided in the gap between the valve core 111 and the flow chamber 110 .
  • the sealing structure 150 is located on the outer periphery of the valve core 111.
  • the sealing structures 150 can be arranged at intervals along the axial direction of the valve core 111; specifically, in this embodiment, the sealing structures 150 can be sealing rings, and the valve core 111 is provided with a groove 1111 for accommodating the sealing ring.
  • the groove 1111 The number of sealing rings is equal to the number of sealing rings.
  • the groove 1111 is recessed inward from the outer circumference of the valve core 111. Part of the sealing ring is located in the groove 1111, and the sealing ring is pressed against the bottom of the groove 1111. Between the wall and the inner surface forming the flow chamber 110, the sealing ring is in a sealing and compressed state.
  • the valve core 111 may not include the groove 1111 , that is, the sealing ring is directly pressed between the inner surface forming the flow channel 110 and the outer peripheral surface of the valve core 111 .
  • the valve core 111 includes a fitting part 113, and the cross-sectional shape of the fitting part 113 is triangular or triangular.
  • the trapezoid shape improves the structural strength of the fitting portion 113, and on the other hand, the triangular or trapezoidal sides can better form line or surface contact with the outer surface of the valve port 121, thereby improving the hard sealing effect.
  • the filling valve 200 further includes a seal 140.
  • the seal 140 is provided at the valve port 121. Specifically, along the radial direction of the flow chamber 110, the valve port 121 is recessed inward. A receiving groove 1211 is formed, and at least part of the seal 140 is located in the receiving groove 1211.
  • the seal 140 has a communication hole 1401 that can communicate with the flow chamber 110.
  • the valve core 111 can stay away from or abut against the seal 140, thereby opening and closing the flow chamber. Channel 110; when the valve core 111 is in contact with the seal 140, part of the fitting portion 113 passes through the communication hole 1401, and the fitting portion 113 is in contact with the side peripheral wall of the communication hole 1401 of the seal 140. It can be understood that the seal 140 is provided to form a soft seal between the valve core 111 and the valve port 121 to improve the sealing effect.
  • an inner hexagonal groove 112 is provided on one side of the valve core 111.
  • a hexagonal wrench is used to operate the valve core 111. Specifically, the valve core 111 is moved up and down by rotation.
  • the inner hexagonal groove 112 can be countersunk during use, that is, the entire inner hexagonal groove 112 is sunk into the inside of the valve member, and can be maintained
  • the surface of the valve core 111 is smooth; on the other hand, the internal hexagonal groove 112 can withstand a greater load, because there are six stress-bearing surfaces of the internal hexagonal groove 112, compared with the one-shaped groove structure and the ten-shaped groove structure with only two surfaces.
  • the Z-shaped groove structure is more reliable.
  • one end of the valve body 100 is provided with a cap 114. Since one end of the valve core 111 is provided with the structure of the internal hexagonal groove 112, there may be problems in daily use. Sand, dust, etc. enter the groove and affect the operability of the filling valve 200, so the cap 114 is provided on the hexagonal groove 112; on the other hand, the cap 114 can seal one end of the valve body 100 Play a sealing role.
  • a limiting clamp ring 115 is provided in the flow channel 110.
  • the limiting clamp ring 115 is used to limit the position of the valve core 111.
  • the valve body 100 includes a clamping groove. 1101, the clamping groove 1101 extends along the radial direction of the flow cavity 110, and the clamping slot 1101 is formed inwardly from the inner surface forming the flow cavity 110, and the part of the limiting collar 115 is located in the clamping slot 1101; along the flow cavity 110 in the axial direction, the valve core 111 is located between the limit collar 115 and the valve port 121, and the limit collar 115 is set closer to the cap 114 than the valve port 121.
  • the valve core 111 When the valve core 111 is far away from the valve port 121, the valve core 111 can In contact with the limiting collar 115 , the stroke of the valve core 111 can be limited by the limiting collar 115 .
  • the actively controllable filling valve 200 provided by this application has a simple structure and high reliability. It can open and close the filling valve 200 conveniently without being affected by the operating space and operating proficiency. The impact can avoid frostbite caused by refrigerant leakage during the connection and disassembly process.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

Soupape de charge (200) à capacité de commande active. La soupape de charge (200) à capacité de commande active comprend un corps de soupape (100), une cavité de circulation (110) étant disposée sur le côté interne du corps de soupape (100), une extrémité de la cavité de circulation (110) étant reliée à un pipeline (120), l'autre extrémité de celle-ci étant reliée à une partie de charge (130) ; un noyau de soupape (111) est disposé dans la cavité de circulation (110), le corps de soupape (100) est pourvu d'un orifice de soupape (121), et le noyau de soupape (111) peut s'éloigner de l'orifice de soupape (121) ou d'un élément d'étanchéité (140) disposé sur l'orifice de soupape (121) ou venir en butée contre celui-ci de façon à ouvrir ou fermer la cavité de circulation (110) ; avant que la partie de charge (130) ne soit reliée à un tuyau de charge (300) ou désaccouplée de celui-ci, la partie de charge (130) n'est pas en communication avec le pipeline (120) ; et après que la partie de charge (130) est reliée au tuyau de charge (300), la partie de charge (130) est en communication avec le pipeline (120) au moyen de la cavité de circulation (110).
PCT/CN2023/114137 2022-08-26 2023-08-22 Soupape de charge à capacité de commande active WO2024041495A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222308150.1U CN218761436U (zh) 2022-08-26 2022-08-26 一种可主动控制的充注阀
CN202222308150.1 2022-08-26

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Publication Number Publication Date
WO2024041495A1 true WO2024041495A1 (fr) 2024-02-29

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PCT/CN2023/114137 WO2024041495A1 (fr) 2022-08-26 2023-08-22 Soupape de charge à capacité de commande active

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WO (1) WO2024041495A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218761436U (zh) * 2022-08-26 2023-03-28 浙江盾安禾田金属有限公司 一种可主动控制的充注阀

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644973A (en) * 1984-10-03 1987-02-24 Yokohama Aeroquip Company Valve unit for air-conditioner piping
JP2001349646A (ja) * 2000-06-06 2001-12-21 Fujitsu General Ltd バルブコア付二方操作弁
CN202203417U (zh) * 2011-09-14 2012-04-25 Tcl空调器(中山)有限公司 一种新型空调截止阀
CN105987206A (zh) * 2015-01-30 2016-10-05 浙江三花股份有限公司 一种截止阀
CN109505991A (zh) * 2019-01-11 2019-03-22 北京机械设备研究所 一种可主动控制的制冷剂通用充注阀转接头
CN211738057U (zh) * 2019-11-13 2020-10-23 浙江盾安禾田金属有限公司 充注阀以及具有其的制冷系统
CN215258414U (zh) * 2021-06-29 2021-12-21 宁波康韩瑞电器有限公司 冷媒加注装置
CN218761436U (zh) * 2022-08-26 2023-03-28 浙江盾安禾田金属有限公司 一种可主动控制的充注阀

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644973A (en) * 1984-10-03 1987-02-24 Yokohama Aeroquip Company Valve unit for air-conditioner piping
JP2001349646A (ja) * 2000-06-06 2001-12-21 Fujitsu General Ltd バルブコア付二方操作弁
CN202203417U (zh) * 2011-09-14 2012-04-25 Tcl空调器(中山)有限公司 一种新型空调截止阀
CN105987206A (zh) * 2015-01-30 2016-10-05 浙江三花股份有限公司 一种截止阀
CN109505991A (zh) * 2019-01-11 2019-03-22 北京机械设备研究所 一种可主动控制的制冷剂通用充注阀转接头
CN211738057U (zh) * 2019-11-13 2020-10-23 浙江盾安禾田金属有限公司 充注阀以及具有其的制冷系统
CN215258414U (zh) * 2021-06-29 2021-12-21 宁波康韩瑞电器有限公司 冷媒加注装置
CN218761436U (zh) * 2022-08-26 2023-03-28 浙江盾安禾田金属有限公司 一种可主动控制的充注阀

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