CN104634024A - Single-gauge three-valve refrigerant gauge group and using method thereof - Google Patents

Single-gauge three-valve refrigerant gauge group and using method thereof Download PDF

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Publication number
CN104634024A
CN104634024A CN201410760452.XA CN201410760452A CN104634024A CN 104634024 A CN104634024 A CN 104634024A CN 201410760452 A CN201410760452 A CN 201410760452A CN 104634024 A CN104634024 A CN 104634024A
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refrigerant
valve
pressure
low
pressure side
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CN201410760452.XA
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Chinese (zh)
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蒋友荣
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Individual
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Priority to CN201410760452.XA priority Critical patent/CN104634024A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00Arrangements for charging or discharging refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0007Fluidic connecting means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001Charging refrigerant to a cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/002Collecting refrigerant from a cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/006Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention discloses a refrigerant gauge group structure and provides a single-gauge three-valve refrigerant gauge group and a using method thereof. The single-gauge three-valve refrigerant gauge group is small in size, convenient to use and carry and low in manufacturing cost. The problem that in the prior art, a two-gauge refrigerant gauge group is large in size, high in manufacturing cost and the like is solved. The single-gauge three-valve refrigerant gauge group comprises a refrigerant pressure gauge and a valve body communicated to the refrigerant pressure gauge. A refrigerant recovery filling port, a refrigerant low-pressure end connector and a refrigerant high-pressure end connector are connected to the valve body in parallel. Valves are arranged on a connecting pipeline between the refrigerant pressure gauge and the refrigerant low-pressure end connector and a connecting pipeline between the recovery filling port and the refrigerant high-pressure end connector. The refrigerant pressure gauge is selectively controlled by the valves to be communicated with the recovery filling port or the refrigerant low-pressure end connector or the refrigerant high-pressure end connector.

Description

Single table three valve refrigerant table group and using method thereof
Technical field
The present invention relates to a kind of refrigerant table group structure, particularly relate to that a kind of volume is little, the low single table three valve refrigerant table group of cost and using method thereof.
Background technology
Along with global warming, the demand of refrigeration plant increases year by year, therefore as the maintenance of refrigeration plant, the refrigerant table group of one of maintenance tool also increases thereupon, existing refrigerant table group generally comprises single list valve refrigerant table group and two table bivalve refrigerant table group two kinds, wherein single list valve refrigerant table group needs the connection of frequent replace tubes itself and refrigeration system when refrigerant recovering and filling, use procedure is loaded down with trivial details, waste time and energy, and although two table bivalve refrigerant table group decreases replace tubes connection number of times in use, but owing to employing two pieces of Pressure gauges in its structure, not only volume is large, be inconvenient to use and carry, and improve manufacturing cost.
Chinese patent discloses a kind of refrigerant table group (CN2890874Y) with cold light instrument, it comprises a refrigerant table group body, this refrigerant table group body comprises the Pressure gauge that two are provided with cold light panel, a shell is provided with outside refrigerant table group, case back is provided with a battery case, and in being provided with form and a switch of two corresponding pressure tables above, and shell is also stretched upward and is provided with a hook, in shell, set firmly a cold light drive circuit board, it connects battery case, switch and two cold light panels respectively.This device is the Pressure gauge by being provided with cold light panel, when inspecting Pressure gauge numerical value, press switch with cold light panel luminous lighting, thus conveniently show pressure value and reach reading data effect easily, but this device employs two pieces of Pressure gauges equally, therefore there is volume equally large, be inconvenient to use and carry, improve the problems such as manufacturing cost.
Summary of the invention
The present invention mainly provide a kind of volume little, easy to use and carry, single table three valve refrigerant table group of low cost of manufacture and using method thereof, solve the two table table group volumes existed in prior art large, the technical problem that manufacturing cost is high.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of single table three valve refrigerant table group, comprise refrigerant Pressure gauge and be communicated with the valve body on refrigerant Pressure gauge, on described valve body, parallel connection is provided with refrigerant recovering filler, refrigerant low-pressure end interface and refrigerant high-pressure side interface, and at refrigerant Pressure gauge and refrigerant refrigerant low-pressure end interface, the connecting pipe reclaimed between filler and refrigerant high-pressure side interface is provided with valve, refrigerant Pressure gauge is selected to control itself and refrigerant recovering filler by valve, the connection of refrigerant low-pressure end interface or refrigerant high-pressure side interface.By accessing a refrigerant Pressure gauge on valve body, refrigerant Pressure gauge again by the internal pipeline of valve body in parallel refrigerant recovering filler, refrigerant low-pressure end interface and refrigerant high-pressure side interface, each interface by Valve controlling to be again communicated with refrigerant is manometric, the interface that during use, each interface is corresponding with in refrigeration system connects, and only need once connect namely by selecting different conducting states to meet low-pressure end pressure detecting, high-pressure side pressure detecting, reclaim and filling liquid refrigerants, reclaim and filling gaseous coolant, and refrigeration system vacuumized and carries out five kinds of mode of operations such as vacuum measurement, namely only has the using function that existing two table bivalve table group just can complete, and due to only a refrigerant Pressure gauge need be employed in structure, therefore it is simple relative to structure two table bivalve table group, lightweight, volume is little, be convenient for carrying and store and transport, saved manufacturing cost simultaneously.
As preferably, the valve body that described refrigerant Pressure gauge link is corresponding is provided with pressure gage valve, refrigerant Pressure gauge is connected on pressure gage valve, the valve body that pressure gage valve both sides are corresponding is respectively equipped with low-pressure end valve and high-pressure side valve, low-pressure end valve is communicated with pressure gage valve with high-pressure side valve in parallel, low-pressure end valve is provided with refrigerant low-pressure end interface, high-pressure side valve is provided with refrigerant high-pressure side interface, and valve body corresponding between low-pressure end valve and high-pressure side valve is provided with refrigerant recovering filler, refrigerant recovering filler parallel communication low-pressure end valve and high-pressure side valve.By the connection of pressure gauge valve gate control refrigerant Pressure gauge and low-pressure end valve and high-pressure side valve, pass through the connection of low-pressure end valve and high-pressure side Valve controlling refrigerant Pressure gauge and refrigerant recovering filler again, to realize five kinds of using function, structure is simple, easy to use, safe and reliable.
As more preferably, described pressure gage valve, low-pressure end valve and high-pressure side valve are ball valve and are located on the leading flank of valve body, and being respectively installed with gear at the valve rod of the outer corresponding each valve of valve body, the gear on one of them valve rod is meshed with the gear on two other valve rod.Rotate one of them gear during use, because three gears are meshed, namely drive two outer two gear synchronous to rotate, without the need to operating three valves respectively during use, convenient and swift, and avoid the security incident caused because of maloperation.
More select as excellent, described pressure gage valve is located between low-pressure end valve and high-pressure side valve, and the gear that pressure gage valve is corresponding is provided with can the knob of synchronous rotary, with can the mark of indicating operating status on knob.Pinion rotation in the middle of being driven by knob, easy to use, and when on knob be tagged to desired location time can realize the duty that marks, operate simple, intuitive more.
As preferably, valve body between described low-pressure end valve with high-pressure side valve is communicated with and is provided with intermediate conduit, valve body between pressure gage valve with low-pressure end valve is communicated with and is provided with left connecting pipe, valve body between pressure gage valve with high-pressure side valve is communicated with and is provided with right connecting pipe, refrigerant recovering filler is located at the middle part of intermediate conduit.Pipeline by valve body is offered between each valve connects, and good airproof performance, reliability is high.
As preferably, described pressure gage valve is provided with valve port J, valve port D and valve port E, low-pressure end valve is provided with valve port A, valve port B and valve port C, high-pressure side valve is provided with valve port F, valve port G and valve port H, and valve port J is wherein corresponding with refrigerant Pressure gauge to be communicated with, and valve port D is corresponding with valve port C to be communicated with, valve port E is corresponding with valve port F to be communicated with, valve port B is corresponding with valve port G to be communicated with, and valve port A is corresponding with refrigerant low-pressure end interface to be communicated with, and valve port H is corresponding with refrigerant high-pressure side interface to be communicated with.Namely the switching of pipeline connection is completed by the conversion of valve port each on corresponding valve, to realize different using function, safe and reliable.
As preferably, described valve body is rectangular structure, and refrigerant recovering filler, refrigerant low-pressure end interface are vertical with refrigerant high-pressure side interface to be distributed on the bottom surface of valve body, and refrigerant Pressure gauge is vertical in the middle part of the end face of valve body.On the valve body of rectangular structure, refrigerant Pressure gauge and each interface are arranged on end face and bottom surface respectively, and three interfaces are uniform in their length direction simultaneously, and compact conformation is rationally distributed, and handled easily uses.
There is a using method for the refrigerant list table group of two table group function, comprise the steps:
1) when carrying out pressure detecting to the low-pressure end of refrigeration system, be connected on the low-pressure end of refrigeration system by refrigerant low-pressure end interface, changeover valve closes refrigerant recovering filler and refrigerant high-pressure side interface, and refrigerant low-pressure end interface is connected with refrigerant Pressure gauge;
2) when carrying out pressure detecting to the high-pressure side of refrigeration system, be connected on the high-pressure side of refrigeration system by refrigerant high-pressure side interface, changeover valve closes refrigerant recovering filler and refrigerant low-pressure end interface, and refrigerant high-pressure side interface is connected with refrigerant Pressure gauge;
3) when carrying out refrigerant recovering and filling liquid refrigerants to refrigeration system, refrigerant high-pressure side interface is connected on the high-pressure side of refrigeration system, refrigerant recovering filler is connected on reclaimer or refrigerant tank, changeover valve closes refrigerant low-pressure end interface, makes refrigerant high-pressure side interface, refrigerant recovering filler is connected with refrigerant Pressure gauge;
4) when carrying out refrigerant recovering and filling gaseous coolant to refrigeration system, refrigerant low-pressure end interface is connected on the low-pressure end of refrigeration system, refrigerant recovering filler is connected on reclaimer or refrigerant tank, changeover valve closes refrigerant high-pressure side interface, makes refrigerant low-pressure end interface, refrigerant recovering filler is connected with refrigerant Pressure gauge;
5) when vacuumizing refrigeration system and carrying out vacuum degree measurement, refrigerant low-pressure end interface is connected on the low-pressure end of refrigeration system, refrigerant recovering filler is connected on vaccum-pumping equipment, refrigerant high-pressure side interface is connected on the high-pressure side of refrigeration system, open whole valve, refrigerant low-pressure end interface, refrigerant recovering filler, refrigerant high-pressure side interface are all connected with refrigerant Pressure gauge.
Namely the pipeline conduction mode different by Valve controlling choice for use realize various function, simple to operate, easy to use.
Therefore, single table three valve refrigerant table group of the present invention and using method thereof have following advantage: arrange one piece of refrigerant Pressure gauge by being communicated with on valve body, and on valve body, be arranged in parallel three interfaces, three interfaces again by three Valve controlling its with refrigerant Pressure gauge and being communicated with of other two other interface, to realize the low-pressure end pressure detecting of refrigeration system, high-pressure side pressure detecting, reclaim and filling liquid refrigerants, reclaim and filling gaseous coolant, and five kinds of using function such as vacuum measurement are carried out to the refrigeration system of vacuum pumping, namely the function that two table bivalve table group could realize is only had, its relative to existing single list valve table group without the need to the connection of frequent replace tubes itself and refrigeration system, use procedure is simple and convenient, time saving and energy saving, it is relative to lightweight existing two table bivalve table group, volume is little, low cost of manufacture, easy to use and carry.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Sectional view when Fig. 2 is the first embodiment of the present invention;
Structural representation when Fig. 3 is the first embodiment of the present invention;
Structural representation when Fig. 4 is the second embodiment of the present invention;
Fig. 5 is the schematic diagram of knob in the present invention.
Detailed description of the invention:
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
As shown in Figure 2, a kind of refrigerant list table group structure with two table group function of the present invention, comprise the valve body 2 of the rectangular shape laterally placed, one piece of refrigerant Pressure gauge 1 in the vertical grafting in middle part of valve body 2 upper surface, valve body 2 lower surface relative with refrigerant Pressure gauge 1 be vertical, and three joints that spin form a refrigerant recovering filler 3, a refrigerant low-pressure end interface 6 and a refrigerant high-pressure side interface 7, refrigerant low-pressure end interface 6 and refrigerant high-pressure side interface 7 are positioned at the both sides of refrigerant recovering filler 3, refrigerant recovering filler 3 is coaxial relative with refrigerant Pressure gauge 1, the valve body 2 that refrigerant Pressure gauge 1 link is corresponding is equipped with pressure gage valve 4, refrigerant Pressure gauge 1 is connected on pressure gage valve 4, on the valve body 2 that pressure gage valve 4 both sides are corresponding, symmetrical machining forms the left connecting pipe 13 of L shape and the right connecting pipe 14 of L shape, left connecting pipe 13 is communicated with on pressure gage valve 4 with a port of right connecting pipe 14, the other end is communicated with refrigerant low-pressure end interface 6 respectively by low-pressure end valve 8 again downwards, refrigerant high-pressure side interface 7 is communicated with by high-pressure side valve 9, valve body 2 between low-pressure end valve 8 with high-pressure side valve 9 is communicated with intermediate conduit 5, the middle part of intermediate conduit 5 is communicated with refrigerant recovering filler 3 downwards, pressure gage valve 4, low-pressure end valve 8 and high-pressure side valve 9 are ball valve, as shown in Figure 1, with valve port J41 on pressure gage valve 4, valve port D42 and valve port E43, with valve port A81 on low-pressure end valve 8, valve port B82 and valve port C83, with valve port F91 on high-pressure side valve 9, valve port G92 and valve port H93, valve port J41 is wherein corresponding with refrigerant Pressure gauge 1 to be communicated with, valve port D42 is corresponding with valve port C83 to be communicated with, valve port E43 is corresponding with valve port F91 to be communicated with, valve port B82 is corresponding with valve port G92 to be communicated with, valve port A81 is corresponding with refrigerant low-pressure end interface 6 to be communicated with, valve port H93 is corresponding with refrigerant high-pressure side interface 7 to be communicated with, as shown in Figure 3, the valve rod of three valves extends all forward the leading flank of valve body 2, a knob 11 is coaxially fixed wtih respectively at the valve rod of the outer corresponding each valve of valve body 2.
Embodiment 2:
As shown in Figure 4, a gear 10 is respectively connected at the valve rod of the outer corresponding each valve of valve body 2, three gears 10 are coplanar, and the gear 10 be positioned on the valve rod of pressure gage valve 4 is meshed with two other gear 10, gear 10 lateral surface of pressure gage valve 4 correspondence is also coaxially connected to can the knob 11 of synchronous rotary, as shown in Figure 5, at the edge of knob 11 upper surface also with can four of indicating operating status marks 12, that is :/filling liquid refrigerants (high-pressure side vacuumizes) is reclaimed, reclaim/filling gaseous coolant (low-pressure end vacuumizes), low-pressure end pressure detecting and high-pressure side pressure detecting, other parts are identical with embodiment 1.
During use, comprise the steps:
1) when carrying out pressure detecting to the low-pressure end of refrigeration system, refrigerant low-pressure end interface 6 is connected on the low-pressure end of refrigeration system, rotate low-pressure end valve 8 and high-pressure side valve 9, close valve port B82 and the valve port G92 of refrigerant recovering filler 3 correspondence, rotational pressure meter valve 4 again, close port E43, refrigerant recovering filler 3 and refrigerant high-pressure side interface 7 are closed, and refrigerant low-pressure end interface 6 is connected with refrigerant Pressure gauge 1;
2) when carrying out pressure detecting to the high-pressure side of refrigeration system, refrigerant high-pressure side interface 7 is connected on the high-pressure side of refrigeration system, rotate low-pressure end valve 8 and high-pressure side valve 9, close valve port B82 and the valve port G92 of refrigerant recovering filler 3 correspondence, rotational pressure meter valve 4 again, close port D42, refrigerant recovering filler 3 and refrigerant low-pressure end interface 6 are closed, and refrigerant high-pressure side interface 7 is connected with refrigerant Pressure gauge 1;
3) when carrying out refrigerant recovering and filling liquid refrigerants to refrigeration system, refrigerant high-pressure side interface 7 is connected on the high-pressure side of refrigeration system, refrigerant recovering filler 3 is connected on refrigerant tank, rotate low-pressure end valve 8, close the valve port B82 of refrigerant low-pressure end interface 6 correspondence, then rotational pressure meter valve 4 and high-pressure side valve 9, close port D42, open valve port G92, make refrigerant high-pressure side interface 7, refrigerant recovering filler 3 is connected with refrigerant Pressure gauge 1;
4) when carrying out refrigerant recovering and filling gaseous coolant to refrigeration system, refrigerant low-pressure end interface 6 is connected on the low-pressure end of refrigeration system, refrigerant recovering filler 3 is connected on refrigerant tank, rotary high pressure end valve door 9, close the valve port G92 of refrigerant high-pressure side interface 7 correspondence, then rotational pressure meter valve 4 and low-pressure end valve 8, close port E43, open valve port B82, make refrigerant low-pressure end interface 6, refrigerant recovering filler 3 is connected with refrigerant Pressure gauge 1;
5) when vacuumizing refrigeration system and carrying out vacuum degree measurement, refrigerant low-pressure end interface 6 is connected on the low-pressure end of refrigeration system, refrigerant recovering filler 3 is connected on vaccum-pumping equipment, refrigerant high-pressure side interface 7 is connected on the high-pressure side of refrigeration system, rotate low-pressure end valve 8 and high-pressure side valve 9, open valve port B82 and valve port G92, rotational pressure meter valve 4 again, open valve port D42 or valve port E43, refrigerant low-pressure end interface 6, refrigerant recovering filler 3, refrigerant high-pressure side interface 7 are all connected with refrigerant Pressure gauge 1.
Step 5) wherein also can by successively performing step 3) and step 4) realization.
Specific embodiment described herein is only to design of the present invention explanation for example.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (8)

1. a single table three valve refrigerant table group, comprise refrigerant Pressure gauge (1) and be communicated with the valve body (2) on refrigerant Pressure gauge (1), it is characterized in that: be provided with refrigerant recovering filler (3) in the upper parallel connection of described valve body (2), refrigerant low-pressure end interface (6) and refrigerant high-pressure side interface (7), and at refrigerant Pressure gauge (1) and refrigerant refrigerant low-pressure end interface (6), the connecting pipe reclaimed between filler (3) and refrigerant high-pressure side interface (7) is provided with valve, refrigerant Pressure gauge (1) is selected to control itself and refrigerant recovering filler (3) by valve, the connection of refrigerant low-pressure end interface (6) or refrigerant high-pressure side interface (7).
2. single table three valve refrigerant table group according to claim 1, it is characterized in that: on the valve body (2) that described refrigerant Pressure gauge (1) link is corresponding, be provided with pressure gage valve (4), refrigerant Pressure gauge (1) is connected on pressure gage valve (4), the valve body (2) that pressure gage valve (4) both sides are corresponding is respectively equipped with low-pressure end valve (8) and high-pressure side valve (9), low-pressure end valve (8) and high-pressure side valve (9) parallel communication pressure gage valve (4), low-pressure end valve (8) is provided with refrigerant low-pressure end interface (6), high-pressure side valve (9) is provided with refrigerant high-pressure side interface (7), and valve body (2) corresponding between low-pressure end valve (8) and high-pressure side valve (9) is provided with refrigerant recovering filler (3), refrigerant recovering filler (3) parallel communication low-pressure end valve (8) and high-pressure side valve (9).
3. single table three valve refrigerant table group according to claim 2, it is characterized in that: described pressure gage valve (4), low-pressure end valve (8) and high-pressure side valve (9) are ball valve and are located on the leading flank of valve body (2), and being respectively installed with gear (10) at the valve rod of the corresponding each valve of valve body (2) outward, the gear (10) on one of them valve rod is meshed with the gear (10) on two other valve rod.
4. single table three valve refrigerant table group according to claim 3, it is characterized in that: described pressure gage valve (4) is located between low-pressure end valve (8) and high-pressure side valve (9), the gear (10) that pressure gage valve (4) is corresponding is provided with can the knob (11) of synchronous rotary, with can the mark (12) of indicating operating status on knob (11).
5. the single table three valve refrigerant table group according to Claims 1-4 any one, it is characterized in that: the valve body (2) between described low-pressure end valve (8) with high-pressure side valve (9) is communicated with and is provided with intermediate conduit (5), valve body (2) between pressure gage valve (4) with low-pressure end valve (8) is communicated with and is provided with left connecting pipe (13), valve body (2) between pressure gage valve (4) with high-pressure side valve (9) is communicated with and is provided with right connecting pipe (14), refrigerant recovering filler (3) is located at the middle part of intermediate conduit (5).
6. the single table three valve refrigerant table group according to Claims 1-4 any one, it is characterized in that: on described pressure gage valve (4), be provided with valve port J(41), valve port D(42) and valve port E(43), low-pressure end valve (8) is provided with valve port A(81), valve port B(82) and valve port C(83), high-pressure side valve (9) is provided with valve port F(91), valve port G(92) and valve port H(93), valve port J(41 wherein) correspondingly with refrigerant Pressure gauge (1) to be communicated with, valve port D(42) with valve port C(83) to be correspondingly communicated with, valve port E(43) with valve port F(91) to be correspondingly communicated with, valve port B(82) with valve port G(92) to be correspondingly communicated with, valve port A(81) correspondingly with refrigerant low-pressure end interface (6) to be communicated with, valve port H(93) correspondingly with refrigerant high-pressure side interface (7) to be communicated with.
7. the single table three valve refrigerant table group according to claim to 4 any one, it is characterized in that: described valve body (2) is rectangular structure, on refrigerant recovering filler (3), refrigerant low-pressure end interface (6) bottom surface being distributed on valve body (2) vertical with refrigerant high-pressure side interface (7), refrigerant Pressure gauge (1) is vertical in the middle part of the end face of valve body (2).
8. there is a using method for the refrigerant list table group of two table group function, it is characterized in that: comprise the steps:
1) when carrying out pressure detecting to the low-pressure end of refrigeration system, refrigerant low-pressure end interface (6) is connected on the low-pressure end of refrigeration system, changeover valve closes refrigerant recovering filler (3) and refrigerant high-pressure side interface (7), and refrigerant low-pressure end interface (6) is connected with refrigerant Pressure gauge (1);
2) when carrying out pressure detecting to the high-pressure side of refrigeration system, refrigerant high-pressure side interface (7) is connected on the high-pressure side of refrigeration system, changeover valve closes refrigerant recovering filler (3) and refrigerant low-pressure end interface (6), and refrigerant high-pressure side interface (7) is connected with refrigerant Pressure gauge (1);
3) when carrying out refrigerant recovering and filling liquid refrigerants to refrigeration system, refrigerant high-pressure side interface (7) is connected on the high-pressure side of refrigeration system, refrigerant recovering filler (3) is connected on reclaimer or refrigerant tank, changeover valve closes refrigerant low-pressure end interface (6), makes refrigerant high-pressure side interface (7), refrigerant recovering filler (3) is connected with refrigerant Pressure gauge (1);
4) when carrying out refrigerant recovering and filling gaseous coolant to refrigeration system, refrigerant low-pressure end interface (6) is connected on the low-pressure end of refrigeration system, refrigerant recovering filler (3) is connected on reclaimer or refrigerant tank, changeover valve closes refrigerant high-pressure side interface (7), makes refrigerant low-pressure end interface (6), refrigerant recovering filler (3) is connected with refrigerant Pressure gauge (1);
5) when vacuumizing refrigeration system and carrying out vacuum degree measurement, refrigerant low-pressure end interface (6) is connected on the low-pressure end of refrigeration system, refrigerant recovering filler (3) is connected on vaccum-pumping equipment, refrigerant high-pressure side interface (7) is connected on the high-pressure side of refrigeration system, open whole valve, refrigerant low-pressure end interface (6), refrigerant recovering filler (3), refrigerant high-pressure side interface (7) are all connected with refrigerant Pressure gauge (1);
Step 1) wherein can be exchanged arbitrarily to step 5).
CN201410760452.XA 2014-12-12 2014-12-12 Single-gauge three-valve refrigerant gauge group and using method thereof Pending CN104634024A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516603A (en) * 1982-08-16 1985-05-14 Mock Bruno A Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
GB2177486A (en) * 1985-02-19 1987-01-21 Clifford Duward Raines Improved method and apparatus for servicing an air conditioning and refrigeration system
US5715692A (en) * 1996-05-28 1998-02-10 Pappas; Michael A. Refrigerant charging manifold valve
CN2522806Y (en) * 2002-01-18 2002-11-27 铼雷实业有限公司 Cold-coal filling support regulating structure improvement
CN1489682A (en) * 2001-01-26 2004-04-14 1 Refrigeration manifold
US7124598B2 (en) * 2004-10-26 2006-10-24 E.F. Products, Inc. Pressure testing and refrigerant recharging conduit assembly for automobiles
CN2890874Y (en) * 2006-03-06 2007-04-18 中大冷冻材料股份有限公司 Manifold with luminescent meter
CN201896969U (en) * 2010-12-22 2011-07-13 蒋友荣 Multi-ball-valve single-knob linkage control valve for refrigerant recovering machine
CN203964481U (en) * 2014-07-17 2014-11-26 台州朗讯机械有限公司 A kind of air conditioning for automobiles coolant charging device
CN204358173U (en) * 2014-12-12 2015-05-27 蒋友荣 Single table three valve refrigerant table group

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516603A (en) * 1982-08-16 1985-05-14 Mock Bruno A Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
GB2177486A (en) * 1985-02-19 1987-01-21 Clifford Duward Raines Improved method and apparatus for servicing an air conditioning and refrigeration system
US5715692A (en) * 1996-05-28 1998-02-10 Pappas; Michael A. Refrigerant charging manifold valve
CN1489682A (en) * 2001-01-26 2004-04-14 1 Refrigeration manifold
CN2522806Y (en) * 2002-01-18 2002-11-27 铼雷实业有限公司 Cold-coal filling support regulating structure improvement
US7124598B2 (en) * 2004-10-26 2006-10-24 E.F. Products, Inc. Pressure testing and refrigerant recharging conduit assembly for automobiles
CN2890874Y (en) * 2006-03-06 2007-04-18 中大冷冻材料股份有限公司 Manifold with luminescent meter
CN201896969U (en) * 2010-12-22 2011-07-13 蒋友荣 Multi-ball-valve single-knob linkage control valve for refrigerant recovering machine
CN203964481U (en) * 2014-07-17 2014-11-26 台州朗讯机械有限公司 A kind of air conditioning for automobiles coolant charging device
CN204358173U (en) * 2014-12-12 2015-05-27 蒋友荣 Single table three valve refrigerant table group

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