CN107091345A - Charging machine passage control valve and the path control method vacuumized using the control valve - Google Patents
Charging machine passage control valve and the path control method vacuumized using the control valve Download PDFInfo
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- CN107091345A CN107091345A CN201710279481.8A CN201710279481A CN107091345A CN 107091345 A CN107091345 A CN 107091345A CN 201710279481 A CN201710279481 A CN 201710279481A CN 107091345 A CN107091345 A CN 107091345A
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- Prior art keywords
- valve
- interface
- vacuum
- magnetic valve
- refrigeration system
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Classifications
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way 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
- F25B45/00—Arrangements for charging or discharging refrigerant
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of charging machine passage control valve, it is simple in construction there is provided one kind, operation is time saving and energy saving, the charging machine passage control valve gathered multi -function in integral whole and the path control method vacuumized using the control valve, solving needs manual carry out system to vacuumize present in prior art, pressurize is hunted leak, the serial conversion operation of coolant injection, operating process is loaded down with trivial details, waste time and energy, and easily produce maloperation and trigger the technical problem of security incident etc., it includes height of the parallel communication in refrigeration system, the valve body of low-pressure end, the valve body is provided with vacuum line interface, refrigerant charging line interface and gas exhaust piping interface, vacuum line interface, refrigerant charging line interface connects the height of refrigeration system with gas exhaust piping interface by internal duct respectively, low-pressure end, and it is respectively equipped with magnetic valve on valve body corresponding with each interface, magnetic valve is connected electrically in control system and controls each interface break-make by control system.
Description
Technical field
The present invention relates to a kind of charging machine passage control valve, more particularly to it is a kind of simple in construction, it is time saving and energy saving to operate, and collects many
Function is in integral charging machine passage control valve and the path control method for using the control valve to be vacuumized.
Background technology
Refrigeration system usually requires periodic cleaning maintenance, if drying not thorough, meeting in the pipeline of refrigeration system after cleaning
Certain moisture content is retained, it is inevitable when now refrigeration system is run to produce " ice berg " in its throttle mechanism and low-pressure section, cause system
Cooling system can not normal work, be this after refrigeration system cleaning maintenance, refrigerant filling before, make refrigeration often through vavuum pump
System reaches vacuum state, comes effectively to remove the moisture in refrigeration system with this.Simultaneously because after refrigeration system long-term work, phase
The pipeline component of pass produces corrosion, loosens and the phenomenon such as sew unavoidably, is filled for this and also needs to carry out refrigeration system before refrigerant
The conventional detections such as leak detection.Existing operating method is usually：With vavuum pump connection table group, vacuumized by carrying out system manually,
Pressurize leak detection, the serial conversion operation of coolant injection, generally require skilled practitioner and are operated, and not only operating process is tired of
It is trivial, waste time and energy, and maloperation is easily produced, there is certain potential safety hazard.
The content of the invention
The present invention is mainly simple in construction there is provided one kind, and it is time saving and energy saving to operate, and the charging machine gathered multi -function in integral whole leads to
Road control valve and the path control method vacuumized using the control valve, solve needs to enter manually present in prior art
Row system is vacuumized, pressurize leak detection, the serial conversion operation of coolant injection, operating process is loaded down with trivial details, wastes time and energy, and easily produce
Maloperation and the technical problem for triggering security incident etc..
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of charging machine path control
Valve processed, including parallel communication, in the valve body of the high and low pressure side of refrigeration system, the valve body is provided with vacuum line interface, refrigeration
Agent charging line interface and gas exhaust piping interface, vacuum line interface, refrigerant charging line interface and gas exhaust piping interface point
The high and low pressure side of refrigeration system is not connected by internal duct, and electromagnetism is respectively equipped with valve body corresponding with each interface
Valve, magnetic valve is connected electrically in control system and controls each interface break-make by control system.If by being provided with stem grafting
The valve body of mouth, each interface is connected further through valve inner pipeline, sets controllable respectively on corresponding valve body in each interface
The magnetic valve of correspondence pipe interface break-make, the break-make of each interface can be realized by control system to be automatically controlled, and realization is vacuumized
The series functions such as water removal, vacuum pressurize leak detection, and coolant charging, it is simple in construction, gather multi -function in integral whole, whole-course automation control
System, it is time saving and energy saving to operate, and uses manpower and material resources sparingly, safe and reliable.
Preferably, the valve body is rectangular shape, vacuum line interface and gas exhaust piping interface are located at valve body side by side
One end end face on, refrigerant charging line interface, the pressure duct interface docked with the high and low pressure side of refrigeration system and low pressure
Pipe interface is side by side on the other end end face of valve body.The valve body easy-formation processing of rectangular shape, each pipe interface is set
On the valve body end face of arranged on left and right sides, it is easy to abutting joint.
Preferably, the magnetic valve includes the high-pressure side magnetic valve, low-pressure end magnetic valve, vacuum located at valve body upper surface
Pipeline electromagnetic valve, refrigerant filling magnetic valve and exhaust solenoid valve.Each pipe interface is by single magnetic valve independent control union
In be located at valve body upper surface, be easy to product to use and assemble.
As it is further preferred that in the high-pressure side magnetic valve with being provided with high pressure in corresponding internal duct between pressure duct interface
End sensor, is provided with low pressure end sensor, true between low-pressure end magnetic valve and low pressure line interface in corresponding internal duct
Corresponding internal duct is provided with vacuum transducer, high pressure end sensor, low pressure between blank pipe way solenoid valve and vacuum line interface
End sensor and vacuum transducer are electrically connected with control system.Sensor is used to detect correspondence loine pressure and output signal
To selection operation is carried out after control system, automation mechanized operation is realized.
As it is further preferred that protection magnetic valve, guarantor are being provided with the inside of the vacuum transducer on corresponding valve inner pipeline
Shield magnetic valve is located at the upper surface of valve body and is connected electrically in control system.By setting protection magnetic valve, vacuum can be protected to pass
Sensor is damaged in coolant charging by malleation.
Preferably, respectively to then angle coupling on the vacuum line interface and gas exhaust piping interface, in refrigeration
It is right respectively on agent charging line interface, the pressure duct interface and low pressure line interface that are docked with the high and low pressure side of refrigeration system
Then 45 ゜ joints.Angle coupling and 45 ゜ joints are docked on different pipe interfaces respectively, are easy to use and are installed.
The path control method that a kind of use charging machine passage control valve is vacuumized, including order below step：
1）Valve body correspondence is connected in the high and low pressure side of refrigeration system, vavuum pump is docked on vacuum line interface, filling is opened
Electromechanical source；
2）Refrigerant category is selected in control system, refrigeration system vacuum degree a, refrigeration system vacuum dwell time b is preset,
Refrigeration system vacuum allows changing value c, refrigerant filling weight d, the height of refrigeration system（Or it is low）The pressure value e of pressure side；
3）Vacuumize：
1. vavuum pump is started, control system automatically controls vacuum line magnetic valve, protection magnetic valve, high-pressure side magnetic valve, low pressure
Magnetic valve is held to open；
2. when the display vacuum in control system reaches preset value a, vacuum line closed electromagnetic valve；Such as refrigeration system vacuum
During not up to preset value a, warning system starts, and progress fails to report police greatly.
Weight d is filled according to refrigerant to determine refrigeration system volume size, and when further accurate determination is vacuumized
Between, it is to avoid the influence of artificial experience difference, it is ensured that the practical vacuum degree before refrigeration system filling, improve refrigeration.
Preferably, performing the step 1）Before, it is first turned on exhaust solenoid valve and is closed after 5 to 10 seconds.Using preceding logical
The exhaust solenoid valve for opening gas exhaust piping is crossed, the refrigerant remained in valve inner pipeline is can remove, it is to avoid different types of refrigerant
Mutually mix and influence the normal operation of refrigeration system.
Preferably, in the step 3）2. in, when the refrigeration system vacuum of the display in control system reach it is pre-
If during value a, vavuum pump delay pumpdown time t2=（Fill weight d × coefficient k+constant C）, until vacuum preset value a and prolonging
Slow pumpdown time t2 meets.
When vacuum preset value a and delay pumpdown time t2 meet, it is ensured that system vacuum is authentic and valid, if
As defined in system in time t2, vacuum is not up to set vacuum values a, and system report leakage police, system is waited, operation from
It is dynamic to interrupt.
Therefore, charging machine passage control valve of the invention and the path control method tool vacuumized using the control valve
Have the advantage that：By being provided with the valve body of some interfaces, controllable pair is set on corresponding valve body respectively in each interface
The magnetic valve of pipe interface break-make is answered, i.e., the break-make of each interface is automatically controlled by control system, realization vacuumizes water removal, vacuum
Pressurize is hunted leak, and the series function such as coolant charging, simple in construction, is gathered multi -function in integral whole, and whole-course automation control, operation is saved
Shi Shengli, uses manpower and material resources sparingly, safe and reliable；Weight is filled according to refrigerant first and determines refrigeration system volume size, is gone forward side by side
One step accurately determines the pumpdown time, it is ensured that the practical vacuum degree before refrigeration system filling, improves refrigeration.
Brief description of the drawings：
Fig. 1 is the structural representation of charging machine passage control valve of the present invention.
Embodiment：
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
As shown in figure 1, a kind of charging machine passage control valve of the present invention, includes the valve body 1 of rectangular shape, on the right side of valve body 1
The refrigerant that is provided with arranged side by side in vacuum line interface 2 and gas exhaust piping interface 4, left end face that is provided with arranged side by side is filled on side end face
Pipe interface 3, pressure duct interface 5 and low pressure line interface 6, wherein vacuum line interface 2, refrigerant charging line interface 3
Pressure duct interface 5 and low pressure line interface 6 are connected further through internal duct with gas exhaust piping interface 4, is connect in vacuum line
Mouthfuls 2 and gas exhaust piping interface 4 on respectively to then angle coupling 13, refrigerant charging line interface 3, with refrigeration system
Respectively to then 45 ゜ joints 14, pressure duct interface on the pressure duct interface 5 and low pressure line interface 6 of high and low pressure side docking
5 connect on the high and low pressure port of refrigeration system by the way that 45 ゜ joints 14 are corresponding respectively with low pressure line interface 6, with each interface
Magnetic valve is respectively provided with corresponding valve body 1, magnetic valve is connected electrically in control system and controls each interface by control system
Break-make.Magnetic valve includes high-pressure side magnetic valve 7, low-pressure end magnetic valve 8, the vacuum line electromagnetism installed in the upper surface of valve body 1
Valve 9, refrigerant filling magnetic valve 10 and exhaust solenoid valve 11, it is corresponding interior between high-pressure side magnetic valve 7 and pressure duct interface 5
High pressure end sensor is housed on portion's pipeline, is equipped between low-pressure end magnetic valve 8 and low pressure line interface 6 in corresponding internal duct
Low pressure end sensor, is equipped with vacuum transducer between vacuum line magnetic valve 9 and vacuum line interface 2 in corresponding internal duct
15, vacuum transducer 15 is located in the anterior end surface of valve body 1, high pressure end sensor, low pressure end sensor and vacuum transducer 15
It is electrically connected with control system, again equipped with protection magnetic valve in the corresponding internal duct of valve body 1 in the inner side of vacuum transducer 15
12, protection magnetic valve 12 is located at the upper surface of valve body 1 and is connected electrically in control system, upper table of six magnetic valves in valve body 1
Face divides two rows arranged in parallel along its length.
The path control method that a kind of use charging machine passage control valve is vacuumized, including order below step：
1）It is first turned on closing behind exhaust solenoid valve 11,5 to 10 seconds, then valve body 1 is corresponded to the high and low pressure for being connected to refrigeration system
On end, vavuum pump is docked on vacuum line interface 2, filling electromechanical source is opened；
2）Refrigerant category is selected in control system, refrigeration system vacuum degree a, refrigeration system vacuum dwell time b is preset,
Refrigeration system vacuum allows changing value c, refrigerant filling weight d, the height of refrigeration system（Or it is low）The pressure value e of pressure side；
3）Vacuumize：
1. start vavuum pump, control system automatically control vacuum line magnetic valve 9, protection magnetic valve 12, high-pressure side magnetic valve 7,
Low-pressure end magnetic valve 8 is opened；
2. when the refrigeration system vacuum of the display in control system reaches preset value a, vavuum pump delay pumpdown time t2=
（Fill weight d × coefficient k+constant C）, until vacuum preset value a and delay pumpdown time t2 meet, vacuum line electricity
Magnet valve 9 is closed；When being not up to preset value a such as refrigeration system vacuum, warning system starts, and progress fails to report police greatly.
Specific embodiment described herein is only the design explanation for example to the present invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (9)
1. a kind of charging machine passage control valve, including parallel communication is in the valve body of the high and low pressure side of refrigeration system（1）, its feature
It is：The valve body（1）It is provided with vacuum line interface（2）, refrigerant charging line interface（3）With gas exhaust piping interface（4）,
Vacuum line interface（2）, refrigerant charging line interface（3）With gas exhaust piping interface（4）Connected respectively by internal duct
The high and low pressure side of refrigeration system, and in valve body corresponding with each interface（1）On be respectively equipped with magnetic valve, magnetic valve is connected electrically in
Each interface break-make is controlled in control system and by control system.
2. charging machine passage control valve according to claim 1, it is characterised in that：The valve body（1）For rectangular shape,
Vacuum line interface（2）With gas exhaust piping interface（4）Valve body is located at side by side（1）One end end face on, refrigerant charging line connects
Mouthful（3）, the pressure duct interface that docks with the high and low pressure side of refrigeration system（5）With low pressure line interface（6）Valve body is located at side by side
（1）Other end end face on.
3. charging machine passage control valve according to claim 1 or 2, it is characterised in that：The magnetic valve includes being located at valve
Body（1）The high-pressure side magnetic valve of upper surface（7）, low-pressure end magnetic valve（8）, vacuum line magnetic valve（9）, refrigerant filling electromagnetism
Valve（10）And exhaust solenoid valve（11）.
4. charging machine passage control valve according to claim 3, it is characterised in that：In the high-pressure side magnetic valve（7）With
Pressure duct interface（5）Between corresponding internal duct be provided with high pressure end sensor, in low-pressure end magnetic valve（8）With low pressure line
Interface（6）Between corresponding internal duct be provided with low pressure end sensor, in vacuum line magnetic valve（9）With vacuum line interface
（2）Between corresponding internal duct be provided with vacuum transducer（15）, high pressure end sensor, low pressure end sensor and vacuum transducer
（15）It is electrically connected with control system.
5. charging machine passage control valve according to claim 4, it is characterised in that：In the vacuum transducer（15）Inner side
Corresponding valve body（1）Internal duct is provided with protection magnetic valve（12）, protect magnetic valve（12）Located at valve body（1）Upper surface simultaneously
It is connected electrically in control system.
6. charging machine passage control valve according to claim 1 or 2, it is characterised in that：In the vacuum line interface（2）
With gas exhaust piping interface（4）It is upper respectively to then angle coupling（13）, in refrigerant charging line interface（3）With refrigeration system
High and low pressure side docking pressure duct interface（5）With low pressure line interface（6）It is upper respectively to then 45 ゜ joints（14）.
7. the path control method that a kind of use charging machine passage control valve is vacuumized, it is characterised in that：Including following suitable
Sequence step：
1）By valve body（1）Correspondence is connected in the high and low pressure side of refrigeration system, vacuum line interface（2）Upper docking vavuum pump, is opened
Open filling electromechanical source；
2）Refrigerant category is selected in control system, refrigeration system vacuum degree a, refrigeration system vacuum dwell time b is preset,
Refrigeration system vacuum allows changing value c, refrigerant filling weight d, the height of refrigeration system（Or it is low）The pressure value e of pressure side；
3）Vacuumize：
1. vavuum pump is started, control system automatically controls vacuum line magnetic valve（9）, protection magnetic valve（12）, high-pressure side electromagnetism
Valve（7）, low-pressure end magnetic valve（8）Open；
2. when the display vacuum in control system reaches preset value a, vacuum line magnetic valve（9）Close；As refrigeration system is true
When reciprocal of duty cycle is not up to preset value a, warning system starts, and progress fails to report police greatly.
8. the path control method that use charging machine passage control valve according to claim 7 is vacuumized, its feature
It is：Performing the step 1）Before, it is first turned on exhaust solenoid valve（11）Closed after 5 to 10 seconds.
9. the path control method that the use charging machine passage control valve according to claim 7 or 8 is vacuumized, it is special
Levy and be：In the step 3）2. in, when the refrigeration system vacuum of the display in control system reaches preset value a, very
Empty pump delay pumpdown time t2=（Fill weight d × coefficient k+constant C）, until when vacuum preset value a and delay are vacuumized
Between t2 meet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279481.8A CN107091345A (en) | 2017-04-25 | 2017-04-25 | Charging machine passage control valve and the path control method vacuumized using the control valve |
| PCT/CN2017/103938 WO2018077001A1 (en) | 2016-10-28 | 2017-09-28 | Refrigerant filling machine and method for creating vacuum, leakage detection and refrigerant filling using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279481.8A CN107091345A (en) | 2017-04-25 | 2017-04-25 | Charging machine passage control valve and the path control method vacuumized using the control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091345A true CN107091345A (en) | 2017-08-25 |
Family
ID=59637140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279481.8A Pending CN107091345A (en) | 2016-10-28 | 2017-04-25 | Charging machine passage control valve and the path control method vacuumized using the control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091345A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018077001A1 (en) * | 2016-10-28 | 2018-05-03 | 浙江飞越机电有限公司 | Refrigerant filling machine and method for creating vacuum, leakage detection and refrigerant filling using device |
| CN108931334A (en) * | 2018-05-21 | 2018-12-04 | 中测测试科技（杭州）有限公司 | A kind of vacuum detection instrument and its application method with on-off function |
| CN109847134A (en) * | 2019-04-10 | 2019-06-07 | 台州欧思托气动机械科技有限公司 | The solenoid valve block of peritoneal dialysis instrument and peritoneal dialysis instrument with the valve group |
| CN110702435A (en) * | 2019-08-22 | 2020-01-17 | 广州海尔空调器有限公司 | Air condensing units test system |
| CN111122260A (en) * | 2019-12-30 | 2020-05-08 | 北京大凤太好环保工程有限公司 | Automatic integrated gas detection system |
| TWI695949B (en) * | 2019-04-03 | 2020-06-11 | 台灣氣立股份有限公司 | Energy-saving vacuum control valve |
| CN112923152A (en) * | 2021-01-29 | 2021-06-08 | 西安理工大学 | Multi-port connector for vacuumizing |
| WO2023103111A1 (en) * | 2021-12-06 | 2023-06-15 | 广州巴兰仕机械有限公司 | Integrated control valve and refrigerant filling machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018077001A1 (en) * | 2016-10-28 | 2018-05-03 | 浙江飞越机电有限公司 | Refrigerant filling machine and method for creating vacuum, leakage detection and refrigerant filling using device |
| CN108931334A (en) * | 2018-05-21 | 2018-12-04 | 中测测试科技（杭州）有限公司 | A kind of vacuum detection instrument and its application method with on-off function |
| TWI695949B (en) * | 2019-04-03 | 2020-06-11 | 台灣氣立股份有限公司 | Energy-saving vacuum control valve |
| CN109847134A (en) * | 2019-04-10 | 2019-06-07 | 台州欧思托气动机械科技有限公司 | The solenoid valve block of peritoneal dialysis instrument and peritoneal dialysis instrument with the valve group |
| CN109847134B (en) * | 2019-04-10 | 2023-09-12 | 台州欧思托气动机械科技有限公司 | Electromagnetic valve group for peritoneal dialysis instrument and peritoneal dialysis instrument with same |
| CN110702435A (en) * | 2019-08-22 | 2020-01-17 | 广州海尔空调器有限公司 | Air condensing units test system |
| CN110702435B (en) * | 2019-08-22 | 2022-07-19 | 广州海尔空调器有限公司 | Air condensing units test system |
| CN111122260A (en) * | 2019-12-30 | 2020-05-08 | 北京大凤太好环保工程有限公司 | Automatic integrated gas detection system |
| CN112923152A (en) * | 2021-01-29 | 2021-06-08 | 西安理工大学 | Multi-port connector for vacuumizing |
| WO2023103111A1 (en) * | 2021-12-06 | 2023-06-15 | 广州巴兰仕机械有限公司 | Integrated control valve and refrigerant filling machine |
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Application publication date: 20170825 |