CN109405373B - Throttle multi-port expansion valve assembly and vehicle - Google Patents
Throttle multi-port expansion valve assembly and vehicle Download PDFInfo
- Publication number
- CN109405373B CN109405373B CN201811287791.5A CN201811287791A CN109405373B CN 109405373 B CN109405373 B CN 109405373B CN 201811287791 A CN201811287791 A CN 201811287791A CN 109405373 B CN109405373 B CN 109405373B
- Authority
- CN
- China
- Prior art keywords
- valve
- outlet
- rod
- inlet
- port
- 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.)
- Active
Links
- 230000001502 supplementing effect Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Abstract
The invention provides a throttling multi-port expansion valve assembly and a vehicle, comprising a valve body, wherein the valve body is provided with a valve inlet, a first valve outlet and a second valve outlet, and a capillary throttling pipe is arranged behind the valve inlet; the valve inlet is connected with the outlet of the in-vehicle condenser, the first valve outlet is connected with the inlet of the evaporator, and the second valve outlet is connected with the air supplementing port of the air supplementing enthalpy increasing compressor. The valve body is provided with a flow regulating mechanism, the flow regulating mechanism comprises a driving rod, the driving rod is in contact with a transmission sleeve rod, the transmission sleeve rod is in contact with a valve rod, and an orifice is arranged in front of the valve rod. According to the expansion valve assembly, the valve body is improved, so that the expansion valve has a two-stage throttling effect and a gas-liquid separator function, a complex flash evaporator is omitted in an automobile air supplementing and enthalpy increasing heat pump air conditioning system, one expansion valve is reduced, the pipeline design is optimized, the cost is reduced, and the expansion valve assembly is economical and practical.
Description
Technical Field
The present invention relates to an expansion valve for a vehicle, and in particular to a throttled multiport expansion valve assembly. In particular to a two-stage throttling three-port electronic expansion valve assembly and a vehicle.
Background
Electric automobiles are increasingly focused, the problem of high heating power consumption in winter is faced, the heat pump system is widely researched due to high efficiency and energy conservation, and the heat pump system also has the problems of low-temperature starting and insufficient heating performance. One of the solutions is to increase the heating capacity of the heat pump system by supplementing air and increasing enthalpy. Patent document CN106016811B discloses an electric vehicle air conditioning heat pump system with an economizer, in which a first four-way reversing valve and a second four-way reversing valve are respectively provided as refrigerant flow path switching valve groups; the compressor adopts a fully-closed electric air conditioner compressor with an air supplementing port for vehicles; the indoor heat exchanger and the defrosting heat exchanger are arranged in parallel, one end of a parallel circuit is connected with the first port of the first four-way reversing valve, and the other end of the parallel circuit is connected with the first port of the second four-way reversing valve; the other three ports of the first four-way reversing valve are respectively connected with an outlet of the oil separator, an inlet of the gas-liquid separator and a first port of the outdoor heat exchanger, the inlet of the oil separator is connected with an exhaust port of the compressor, and the outlet of the gas-liquid separator is connected with an air suction port of the compressor; the other three ports of the second four-way reversing valve are respectively connected with the second port of the outdoor heat exchanger, the drying filter and the main electronic expansion valve; and a main loop and an auxiliary loop are respectively arranged at one side of the outlet end of the drying filter.
But it needs complicated flash evaporator and electronic expansion valve or through the cooperation of economizer and electronic expansion valve, and heat pump system structure is complicated and the cost is higher.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide a throttling multi-port expansion valve assembly and a vehicle.
According to the invention, a throttle multi-port expansion valve assembly comprises a valve body; the valve body is provided with a valve inlet, a first valve outlet, a second valve outlet and an intermediate pressure cavity;
the output port of the valve inlet is connected with the middle pressure cavity through a capillary throttle pipe;
a first position in the intermediate pressure chamber is connected to the first valve outlet, and a second position in the intermediate pressure chamber is connected to the second valve outlet, wherein the first position is lower than the second position; an orifice is provided at the first location.
Preferably, the valve body is provided with a flow rate adjusting mechanism, and the flow rate adjusting mechanism comprises a driving rod, a transmission sleeve rod and a valve rod;
one end of the driving rod is connected with one end of the transmission sleeve rod, the other end of the transmission sleeve rod is connected with one end of the valve rod, and the other end of the valve rod extends into the throttling hole;
the valve rod can move in the throttle hole under the drive of the driving rod so as to change the size of the gap between the valve rod and the throttle hole.
Preferably, the flow regulating mechanism comprises a motor driving the drive rod.
Preferably, a sealing gasket is arranged inside the valve body;
the sealing gasket is in sealing connection with the valve body and the valve rod of the flow regulating mechanism.
Preferably, a drying filter screen is arranged in the valve body; the drying filter screen is arranged on the inner side of the outlet of the second valve, and an intermediate pressure cavity is formed between the drying filter screen and the orifice.
Preferably, the inlet of the valve inlet is a connection port of the condenser outlet; the output port of the first valve outlet is a connection port of the evaporator inlet; the output port of the second valve outlet is a connection port of the air supplementing enthalpy increasing compressor.
Preferably, the drying filter is capable of passing only the refrigerant gas, and the refrigerant liquid is blocked to form droplets and then falls into the intermediate pressure chamber.
According to the invention, a vehicle comprises the throttling multi-port expansion valve assembly.
Preferably, the system comprises a condenser, an evaporator and a gas supplementing enthalpy increasing compressor;
the input port of the valve inlet is connected with the condenser outlet;
the output port of the first valve outlet is connected with the evaporator inlet;
and an output port of the second valve outlet is connected with a gas supplementing port of the gas supplementing enthalpy increasing compressor.
Preferably, the vehicle is an automobile, and the throttle multi-port expansion valve assembly is an electronic expansion valve assembly for a vehicle.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, in the air supplementing and enthalpy increasing heat pump system of the electric automobile, the use of a flash evaporator and an electronic expansion valve is reduced, and the effect of throttling and gas-liquid separation is achieved only through one integrated electronic expansion valve;
2. the invention has small occupied space of parts, is convenient for pipeline connection and layout and has lower cost.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of the present invention:
wherein:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
The invention provides a vehicle, which comprises a condenser, an evaporator, a gas supplementing enthalpy increasing compressor and a throttling multi-port expansion valve assembly. Preferably, the vehicle is an automobile, and the throttle multi-port expansion valve assembly is an electronic expansion valve assembly for a vehicle. According to the throttle multi-port expansion valve assembly shown in fig. 1, the throttle multi-port expansion valve assembly comprises a valve body 1, wherein a valve inlet 2, a first valve outlet 3 and a second valve outlet 4 are arranged on the valve body 1, a capillary throttle pipe 5 is arranged behind the valve inlet 2, the valve inlet 2 is connected with an outlet of an internal condenser, the first valve outlet 3 is connected with an inlet of an evaporator, and the second valve outlet 4 is connected with a gas supplementing port of a gas supplementing enthalpy increasing compressor. The input port of the valve inlet 2 is connected with the condenser outlet; the output port of the first valve outlet 3 is connected with the evaporator inlet; the output port of the second valve outlet 4 is connected with the air supplementing port of the air supplementing enthalpy increasing compressor.
The refrigerant liquid at the outlet of the vehicle condenser enters the valve inlet 2, first, the refrigerant liquid enters the middle pressure cavity 11 through the capillary throttle pipe 5, the gas-liquid two-phase flow formed after the throttle enters the throttle hole 6 for second throttle due to the gravity separation effect, the gas-liquid two-phase flow after the second throttle enters the evaporator, the refrigerant gas passes through the drying filter screen 7, the unseparated refrigerant liquid is blocked by the drying filter screen 7 to form liquid drops to return to the middle pressure cavity 11, and the dried refrigerant gas enters the air supplementing port of the compressor through the second valve outlet 4 to complete air supplementing and enthalpy increasing. In fig. 1, the lead of reference numeral 6 partially coincides with the section line, but the end of the lead is denoted as orifice.
The throttling multi-port expansion valve assembly comprises a flow regulating mechanism, wherein a driving rod 8 contained in the regulating mechanism can be driven by a stepping motor, the driving rod 8 drives a valve rod 10 through a transmission sleeve rod 9, and the flow of refrigerant is changed through up-and-down movement of the valve rod 10. The valve rod 10 can move in the throttle hole 6 under the drive of the drive rod 8 to change the size of the gap between the valve rod 10 and the throttle hole 6. The flow regulating mechanism comprises a motor which drives the drive rod 8. A sealing gasket 12 is arranged inside the valve body 1; the sealing gasket 12 is used for sealing and connecting the valve body 1 and the valve rod 10 of the flow regulating mechanism. A drying filter screen 7 is arranged in the valve body 1; the drying filter screen 7 is arranged on the inner side of the second valve outlet 4, and an intermediate pressure cavity 11 is formed between the drying filter screen 7 and the orifice 6. The input port of the valve inlet 2 is a connecting port of the condenser outlet; the output port of the first valve outlet 3 is a connection port of the evaporator inlet; the output port of the second valve outlet 4 is a connection port of the air supplementing enthalpy increasing compressor. The drying filter 7 can only pass through the refrigerant gas, and the refrigerant liquid is blocked to form liquid drops and then falls into the intermediate pressure chamber 11.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (7)
1. A throttling multiport expansion valve assembly, characterized by comprising a valve body (1); the valve body (1) is provided with a valve inlet (2), a first valve outlet (3), a second valve outlet (4) and an intermediate pressure cavity (11);
the output port of the valve inlet (2) is connected with the middle pressure cavity (11) through the capillary throttle pipe (5);
a first position in the intermediate pressure chamber (11) is connected to the first valve outlet (3), and a second position in the intermediate pressure chamber (11) is connected to the second valve outlet (4), wherein the first position is lower than the second position; an orifice (6) is arranged at the first position;
the valve body (1) is provided with a flow regulating mechanism, and the flow regulating mechanism comprises a driving rod (8), a transmission sleeve rod (9) and a valve rod (10);
one end of the driving rod (8) is connected with one end of the transmission sleeve rod (9), the other end of the transmission sleeve rod (9) is connected with one end of the valve rod (10), and the other end of the valve rod (10) extends into the throttle hole (6);
the valve rod (10) can move in the throttle hole (6) under the drive of the driving rod (8) so as to change the size of a gap between the valve rod (10) and the throttle hole (6);
the flow regulating mechanism comprises a motor which drives the driving rod (8);
a sealing gasket (12) is arranged in the valve body (1);
the sealing gasket (12) is in sealing connection with the valve body (1) and the valve rod (10) of the flow regulating mechanism.
2. A throttling multiport expansion valve assembly according to claim 1, wherein a drying filter screen (7) is arranged inside the valve body (1); the drying filter screen (7) is arranged on the inner side of the second valve outlet (4), and an intermediate pressure cavity (11) is formed between the drying filter screen (7) and the orifice (6).
3. A throttling multi-port expansion valve assembly according to claim 1, characterized in that the inlet of said valve inlet (2) is a connection port of a condenser outlet; the output port of the first valve outlet (3) is a connection port of the evaporator inlet; the output port of the second valve outlet (4) is a connection port of the air supplementing enthalpy increasing compressor.
4. A throttling multiport expansion valve assembly according to claim 2, wherein said drying filter screen (7) can only pass refrigerant gas, refrigerant liquid being blocked to form droplets and then fall into the intermediate pressure chamber (11).
5. A vehicle comprising a throttled multiport expansion valve assembly according to any of claims 1 to 4.
6. The vehicle of claim 5, comprising a condenser, an evaporator, a make-up enthalpy compressor;
an input port of the valve inlet (2) is connected with the condenser outlet;
the output port of the first valve outlet (3) is connected with the evaporator inlet;
the output port of the second valve outlet (4) is connected with the air supplementing port of the air supplementing enthalpy increasing compressor.
7. The vehicle of claim 5, wherein the vehicle is an automobile and the throttling multiport expansion valve assembly is an electronic expansion valve assembly for an automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287791.5A CN109405373B (en) | 2018-10-31 | 2018-10-31 | Throttle multi-port expansion valve assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287791.5A CN109405373B (en) | 2018-10-31 | 2018-10-31 | Throttle multi-port expansion valve assembly and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109405373A CN109405373A (en) | 2019-03-01 |
| CN109405373B true CN109405373B (en) | 2023-12-19 |
Family
ID=65470638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287791.5A Active CN109405373B (en) | 2018-10-31 | 2018-10-31 | Throttle multi-port expansion valve assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405373B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044108B (en) * | 2019-04-18 | 2020-10-16 | 浙江敏特汽车空调有限公司 | Expansion valve of automobile air conditioner and manufacturing process |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK567987D0 (en) * | 1986-10-31 | 1987-10-30 | Carrier Corp | Cooling Systems |
| CN1824983A (en) * | 2005-02-22 | 2006-08-30 | 株式会社鹭宫制作所 | Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein |
| CN103890504A (en) * | 2011-10-05 | 2014-06-25 | 株式会社电装 | Integration valve |
| CN104896785A (en) * | 2015-05-15 | 2015-09-09 | 广东美的暖通设备有限公司 | Enhanced vapor injection multi-online air conditioning system and control method thereof |
| CN105240957A (en) * | 2015-10-27 | 2016-01-13 | 广东美的暖通设备有限公司 | Enhanced vapor injection air conditioner system |
| CN105874288A (en) * | 2014-01-21 | 2016-08-17 | 株式会社电装 | Heat pump cycle apparatus |
| WO2017010289A1 (en) * | 2015-07-14 | 2017-01-19 | 株式会社デンソー | Heat pump cycle |
| CN107525313A (en) * | 2017-07-28 | 2017-12-29 | 广东美芝制冷设备有限公司 | Flash vessel and there is its air-conditioning system |
| CN109373645A (en) * | 2018-10-31 | 2019-02-22 | 上海爱斯达克汽车空调系统有限公司 | Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of expansion valves of throttling |
| CN209230095U (en) * | 2018-10-31 | 2019-08-09 | 上海爱斯达克汽车空调系统有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
-
2018
- 2018-10-31 CN CN201811287791.5A patent/CN109405373B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK567987D0 (en) * | 1986-10-31 | 1987-10-30 | Carrier Corp | Cooling Systems |
| CN1824983A (en) * | 2005-02-22 | 2006-08-30 | 株式会社鹭宫制作所 | Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein |
| CN103890504A (en) * | 2011-10-05 | 2014-06-25 | 株式会社电装 | Integration valve |
| CN105874288A (en) * | 2014-01-21 | 2016-08-17 | 株式会社电装 | Heat pump cycle apparatus |
| CN104896785A (en) * | 2015-05-15 | 2015-09-09 | 广东美的暖通设备有限公司 | Enhanced vapor injection multi-online air conditioning system and control method thereof |
| WO2017010289A1 (en) * | 2015-07-14 | 2017-01-19 | 株式会社デンソー | Heat pump cycle |
| CN105240957A (en) * | 2015-10-27 | 2016-01-13 | 广东美的暖通设备有限公司 | Enhanced vapor injection air conditioner system |
| CN107525313A (en) * | 2017-07-28 | 2017-12-29 | 广东美芝制冷设备有限公司 | Flash vessel and there is its air-conditioning system |
| CN109373645A (en) * | 2018-10-31 | 2019-02-22 | 上海爱斯达克汽车空调系统有限公司 | Gas-supplying enthalpy-increasing heat pump system, the vehicles, method with more mouthfuls of expansion valves of throttling |
| CN209230095U (en) * | 2018-10-31 | 2019-08-09 | 上海爱斯达克汽车空调系统有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109405373A (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109405372B (en) | Throttle multi-port thermal expansion valve assembly and vehicle | |
| US20190092121A1 (en) | Heat pump air-conditioning system and electric vehicle | |
| EP2990740A1 (en) | Air conditioning system and heat exchanger | |
| CN103994598B (en) | Pure electric vehicle heat pump | |
| US10843528B2 (en) | Heat pump air-conditioning system and electric vehicle | |
| CN108844250B (en) | Low-ambient-temperature air source heat pump system | |
| CN102331050B (en) | Ultralow-temperature heat source and heat pump type air conditioning system for electric automobile | |
| US20190202258A1 (en) | Heat pump air-conditioning system and electric vehicle | |
| EP3453989A1 (en) | Heat pump air conditioning system and electric automobile | |
| CN205615302U (en) | Passenger car heat pump air conditioning system | |
| CN107139684B (en) | Automobile air conditioning system | |
| CN202229328U (en) | Ultralow temperature heat source heat pump type electromobile air-conditioning system | |
| CN109373645B (en) | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port expansion valve, vehicle and method | |
| CN109405373B (en) | Throttle multi-port expansion valve assembly and vehicle | |
| US20190143790A1 (en) | Heat pump air-conditioning system and electric vehicle | |
| CN209230095U (en) | Throttle more mouthfuls of expansion valve components and the vehicles | |
| CN109591545B (en) | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port thermal expansion valve, vehicle and method | |
| CN108248331A (en) | Heat pump air conditioning system and electric vehicle | |
| CN114838535B (en) | Air conditioning system with bypass heating gas-liquid separator and heating method thereof | |
| CN101109588A (en) | One-master-driving-two air conditioner refrigerating system with constant frequency | |
| CN203518362U (en) | Heat pump air-conditioning system and automobile with same | |
| CN209386637U (en) | Throttle more mouthfuls of expansion valve modules and the vehicles | |
| CN206374507U (en) | Heat pump type air conditioning system and electric automobile | |
| CN215096908U (en) | Heat pump air-conditioning system of electric automobile | |
| CN201110725Y (en) | Integrated condenser of automobile speed variator oil cold device 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |