CN203432173U - Thermostatic expansion valve sensing bulb liquid filling equipment - Google Patents
Thermostatic expansion valve sensing bulb liquid filling equipment Download PDFInfo
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- CN203432173U CN203432173U CN201320452832.8U CN201320452832U CN203432173U CN 203432173 U CN203432173 U CN 203432173U CN 201320452832 U CN201320452832 U CN 201320452832U CN 203432173 U CN203432173 U CN 203432173U
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- refrigerant
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- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims abstract description 45
- 238000003466 welding Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005429 filling process Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses thermostatic expansion valve sensing bulb liquid filling equipment. The thermostatic expansion valve sensing bulb liquid filling equipment comprises an equipment body, wherein a horizontal working table and a control panel which is arranged perpendicular to the working table are arranged on the front side of the equipment body; the thermostatic expansion valve sensing bulb liquid filling equipment is characterized in that a filling tool is fixedly arranged on one side of the working table, and a welding station is arranged on the other side of the working table; a welding machine, a vacuum pump, a refrigerant liquid storage tank and an air compressor are arranged in the equipment body; a welding gun of the welding machine extends to the welding station; the vacuum pump, the refrigerant liquid storage tank and the air compressor are connected with the charging tool through pipelines respectively. Compared with the prior art, the filling process has the advantages that a process of welding and sealing the nozzle of a capillary pipe is increased, so that the product performance is more reliable and the service life of the product is longer, and the filling equipment has a simple structure, high degree of automation and high filling accuracy and is easy to operate.
Description
Technical field
The utility model relates to a kind of heating power expansion valve temperature sensing bag liquid fill equipment.
Background technology
Heating power expansion valve is the vitals that forms refrigerating plant, and it realizes condensing pressure to the throttling of evaporating pressure, controls the flow of cold-producing medium simultaneously; Though its volume is little, act on hugely, its work quality, directly determines the work quality of whole system to evaporimeter feed flow, to guarantee that the degree of superheat of evaporator outlet refrigerant vapour is stable in best mode.Thereby the temperature-sensitive bag of heating power expansion valve must be good with the air intake duct of compressor, contact the suction temperature of induced compression machine accurately, conventionally filling the cold-producing medium inner identical with refrigeration system, thereby realizing the pressure feeding back by temperature-sensitive bag is the saturation pressure of this type of cold-producing medium corresponding to compressor air suction temperature, by expansion valve, guaranteed when running environment changes (such as thermic load changes), realized evaporimeter optimum and best feed liquid way.Therefore, in heating power expansion valve temperature sensing bag, the filled quality of refrigerant just seems particularly important, conventional method adopts artificial filled mode, in temperature-sensitive bag, the charging amount of refrigerant varies with each individual, produce thus the filled of poor quality of temperature-sensitive bag, in use procedure, fault rate is high, the poor problem of the uneven uniformity of same batch products quality; In addition, after traditional temperature-sensitive bag has filled, the seal form that the mouth of pipe capillaceous adopts machinery to flatten, this heating power expansion valve is shorter service life, when longer between in use, easily occurs the phenomenon of seal gas leakage, and after the gas leakage of temperature-sensitive bag, the heating power expansion valve that can only more renew.
Summary of the invention
The technical problems to be solved in the utility model is to provide the heating power expansion valve temperature sensing bag liquid fill equipment that a kind of automaticity is high.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is as follows: a kind of heating power expansion valve temperature sensing bag liquid fill equipment, it comprises equipment body, the front side of described equipment body be provided with horizontal table, with the vertically disposed control panel of workbench, a side at described workbench is fixedly installed filled frock, and opposite side is provided with welding post; In the inside of described equipment body, be provided with welding machine, vavuum pump, refrigerant fluid reservoir and air compressor machine, the welding gun of described welding machine extends to welding post, and described vavuum pump, refrigerant fluid reservoir, air compressor machine are connected with filled frock by pipeline respectively.The equipment of this structure concentrates on same equipment by whole filled process, and its automaticity is higher, fills efficiency high.
Further, described filled frock comprises filling device and decompressor, described filling device comprises body, top iron, fluid sealant, wireway, and described top iron is fixedly connected with body, and the centre of described top iron is provided with filled mouthful that matches with heating power expansion valve capillary; Described body interior is also provided with the passage that holds wireway, and in described passage, filled mouth, fluid sealant, wireway connect successively; The other end at described wireway is also fixedly connected with clamping cylinder, and described clamping cylinder is connected with air compressor machine; In described wireway, be also provided with soft air-guide pipe, the free end of described soft air-guide pipe is connected with vavuum pump, refrigerant fluid reservoir respectively.The object of this structure is reliable and stable in heating power expansion valve, to fill refrigerant.
Further, on described body, be also provided with the cavity that holds decompressor, described decompressor comprises upper die and lower die, described patrix is fixedly connected with equipment body, in the end of described patrix, be provided with the stamped groove adapting with heating power expansion valve capillary, in one end of the relative patrix of described counterdie, be provided with the staking punch being used in combination with stamped groove; The other end at described counterdie is also fixedly connected with stamping cylinder, and described stamping cylinder is connected with air compressor machine.The effect of its structure is by the mode of punching press mouth of pipe mechanical seal capillaceous.
Further, on described control panel top, be provided with relay indicating light, below relay indicating light, be disposed with from left to right temperature-sensitive bag refrigerant Pressure gauge, pressure vacuum gauge, air compressor machine Pressure gauge, fluid reservoir refrigerant Pressure gauge, in manometric bottom, be also provided with Resetting Switching, starting switch, infilling time table and temp controlled meter, described refrigerant fluid reservoir, fluid reservoir refrigerant Pressure gauge, temperature-sensitive bag refrigerant Pressure gauge, infilling time table, soft air-guide pipe connect successively.All operating means and observation device are concentrated on control panel, be convenient to control, operate whole filled process.
Further, between described fluid reservoir refrigerant Pressure gauge and temperature-sensitive bag refrigerant Pressure gauge, be also connected with pressure-reducing valve, between described infilling time table and soft air-guide pipe, be also connected with magnetic valve, timing sensor, pressure sensor in turn.The object of this structure is to realize automation and fills process.
Further, on described refrigerant fluid reservoir, be also provided with heater, described temp controlled meter is connected with heater.Refrigerant needs to remain on specific temperature in the process of filling, and its temperature of temp controlled meter Real-Time Monitoring makes to fill process stabilization reliable.
Further, between described vavuum pump and soft air-guide pipe, be also connected with pressure vacuum gauge, magnetic valve, pressure sensor in turn.This structure makes to vacuumize more accurate.
Filled equipment of the present utility model, its device structure is simple, and automaticity is high, simple to operate, fills precision high, because it adopts machinery, flattens the mode that sealing combines with welded seal, makes the sealing property of product more reliable, product longer service life.
Accompanying drawing explanation
Fig. 1 is the side view of the utility model embodiment;
Fig. 2 is the front view of the present embodiment;
Fig. 3 fills the structural representation of frock in Fig. 1, Fig. 2;
Fig. 4 is the partial enlarged drawing of A portion in Fig. 3;
Fig. 5 is the filled schematic diagram of the present embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, embodiments of the invention are described in further detail.
Embodiment
A kind of heating power expansion valve temperature sensing bag liquid fill equipment of the present embodiment, as shown in Figure 1 and Figure 2, comprise equipment body 1, the front side of described equipment body 1 be provided with horizontal table 2, with the vertically disposed control panel 3 of workbench 2, a side at workbench 2 is fixedly installed filled frock 4, and opposite side is provided with welding post 5; In the inside of equipment body 1, be provided with welding machine, vavuum pump, refrigerant fluid reservoir and air compressor machine, wherein the welding gun of welding machine extends to welding post 5, and described vavuum pump, refrigerant fluid reservoir, air compressor machine are connected with filled frock 4 by pipeline respectively.
Filled frock 4 as above, as shown in Figure 3, comprise filling device and decompressor, wherein filling device comprises body 410, top iron 411, fluid sealant 412, wireway 413, top iron 411 is fixedly connected with body 410, is provided with filled mouthful 416 that matches with heating power expansion valve capillary in the centre of top iron 411; In described body 410 inside, be also provided with the passage that holds wireway 413, in described passage, filled mouth 416, fluid sealant 412, wireway 413 connect successively; The other end at described wireway 413 is also fixedly connected with clamping cylinder 420, and described clamping cylinder 420 is connected with air compressor machine; In described wireway 413, be also provided with soft air-guide pipe 414, the free end of described soft air-guide pipe 414 is connected with vavuum pump, refrigerant fluid reservoir respectively.
As shown in Figure 3, Figure 4, on described body 410, be also provided with the cavity 415 that holds decompressor, described decompressor comprises patrix 431, counterdie 430, wherein patrix 431 is fixedly connected with equipment body 1, in the end of described patrix 431, be provided with the stamped groove 432 adapting with heating power expansion valve capillary, in one end of described counterdie 430 relative patrixes 431, be provided with the staking punch 433 being used in combination with stamped groove 432; The other end at described counterdie 430 is also fixedly connected with stamping cylinder 421, and described stamping cylinder 421 is connected with air compressor machine.
For easy to operate, the control panel of the present embodiment, as shown in Figure 2, on described control panel top, be provided with relay indicating light 6, below relay indicating light 6, be disposed with from left to right temperature-sensitive bag refrigerant Pressure gauge 71, pressure vacuum gauge 72, air compressor machine Pressure gauge 73, fluid reservoir refrigerant Pressure gauge 74, in manometric bottom, be also provided with Resetting Switching 301, starting switch 302, infilling time table 8 and temp controlled meter 81, described refrigerant fluid reservoir, fluid reservoir refrigerant Pressure gauge 74, temperature-sensitive bag refrigerant Pressure gauge 71, infilling time table 8, soft air-guide pipe 414 connects successively.
As shown in Figure 5, between described fluid reservoir refrigerant Pressure gauge 74 and temperature-sensitive bag refrigerant Pressure gauge 71, be also connected with pressure-reducing valve 102, described infilling time table 8, and soft air-guide pipe 414 between be also connected with magnetic valve 101, timing sensor 80, pressure sensor 70 in turn; Between described vavuum pump and soft air-guide pipe 414, be also connected with pressure vacuum gauge 72, magnetic valve 101, pressure sensor 70 in turn.
Owing to needing to remain in specific temperature range in coolant injection process, so be also provided with heater on the refrigerant fluid reservoir in the present embodiment, described temp controlled meter 81 is connected with heater.
In order to regulate the size of welding current, as shown in Figure 2, in described workbench 2 oriented manipulation persons' side, be also provided with operation wheel disc 9, for regulating the electric current of welding machine; For the heat radiation of equipment body 1 inside, at equipment body 1, near the position of bottom, be also provided with exhaust outlet 10.
The equipment of the present embodiment, its filled process is as follows:
(1) detect and treat that whether the capillary mouth of pipe of filled heating power expansion valve temperature sensing bag is smooth, the irregular mouth of pipe is pruned;
(2) the capillary insertion that detects qualified heating power expansion valve temperature sensing bag is filled to the filled mouth 416 of frock 4, press starting switch 302, first air compressor machine drives clamping cylinder 420 sinciputs, and the capillary mouth of pipe is propped up with filled mouthful 416; Then the corresponding magnetic valve of vavuum pump 101 is opened, the pressure of pressure sensor 70 monitoring heating power expansion valve temperature sensing bag inside, when its pressure be-during 1MPa, magnetic valve 101 unlatchings are closed automatically;
(3) and then the corresponding pressure-reducing valve 102 of refrigerant fluid reservoir, magnetic valve 101 are opened automatically, and the heater operation on refrigerant fluid reservoir, makes the temperature of refrigerant fluid reservoir inside remain on 37
oc-38
oC, now, refrigerant fills as in the temperature-sensitive bag of heating power expansion valve via capillary, by timing sensor 80 monitoring infilling times, by the refrigerant pressure of pressure sensor 70 monitoring heating power expansion valve temperature sensing bag inside, when its pressure is 0.5 MPa, pressure-reducing valve 102, magnetic valve 101 are closed automatically;
(4) then air compressor machine drives stamping cylinder 421, drives counterdie 430 to move relative to patrix 431, under the acting in conjunction of staking punch 433 and stamped groove 432, capillary is rushed flat near the about 1cm of mouth of pipe place, makes it to seal;
(5) finally the heating power expansion valve having filled is moved to welding post 5, with welding gun, mouth of pipe welding capillaceous is shut.
With conventional impact style, to ferrule capillaceous, its sealing effectiveness is poor, makes the service life of product shorter, therefore, after punching press sealing, mouth of pipe welding is shut, and can effectively address this problem, and has greatly improved the service life of product.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (7)
1. a heating power expansion valve temperature sensing bag liquid fill equipment, comprise equipment body (1), the front side of described equipment body (1) be provided with horizontal table (2), with the vertically disposed control panel of workbench (2) (3), it is characterized in that: the side at described workbench (2) is fixedly installed filled frock (4), and opposite side is provided with welding post (5); In the inside of described equipment body (1), be provided with welding machine, vavuum pump, refrigerant fluid reservoir and air compressor machine, the welding gun of described welding machine extends to welding post (5), and described vavuum pump, refrigerant fluid reservoir, air compressor machine are connected with filled frock (4) by pipeline respectively.
2. according to equipment claimed in claim 1, it is characterized in that: described filled frock (4) comprises filling device and decompressor, described filling device comprises body (410), top iron (411), fluid sealant (412), wireway (413), described top iron (411) is fixedly connected with body (410), and the centre of described top iron (411) is provided with filled mouthful (416) of matching with heating power expansion valve capillary; Described body (410) inside is also provided with the passage that holds wireway (413), and in described passage, filled mouthful (416), a fluid sealant (412), wireway (413) connect successively; The other end at described wireway (413) is also fixedly connected with clamping cylinder (420), and described clamping cylinder (420) is connected with air compressor machine; In described wireway (413), be also provided with soft air-guide pipe (414), the free end of described soft air-guide pipe (414) is connected with vavuum pump, refrigerant fluid reservoir respectively.
3. according to equipment claimed in claim 2, it is characterized in that: on described body (410), be also provided with the cavity (415) that holds decompressor, described decompressor comprises patrix (431), counterdie (430), described patrix (431) is fixedly connected with equipment body (1), in the end of described patrix (431), be provided with the stamped groove (432) adapting with heating power expansion valve capillary, at described counterdie (430), be relatively provided with the staking punch (433) being used in combination with stamped groove (432) in one end of patrix (431); The other end at described counterdie (430) is also fixedly connected with stamping cylinder (421), and described stamping cylinder (421) is connected with air compressor machine.
4. according to the equipment described in claim 1-3 any one, it is characterized in that: on described control panel top, be provided with relay indicating light (6), in the below of relay indicating light (6), be disposed with from left to right temperature-sensitive bag refrigerant Pressure gauge (71), pressure vacuum gauge (72), air compressor machine Pressure gauge (73), fluid reservoir refrigerant Pressure gauge (74), in manometric bottom, be also provided with Resetting Switching (301), starting switch (302), infilling time table (8) and temp controlled meter (81), described refrigerant fluid reservoir, fluid reservoir refrigerant Pressure gauge (74), temperature-sensitive bag refrigerant Pressure gauge (71), infilling time table (8), soft air-guide pipe (414) connects successively.
5. according to equipment claimed in claim 4, it is characterized in that: between described fluid reservoir refrigerant Pressure gauge (74) and temperature-sensitive bag refrigerant Pressure gauge (71), be also connected with pressure-reducing valve (102), described infilling time table (8), and soft air-guide pipe (414) between be also connected with magnetic valve (101), timing sensor (80), pressure sensor (70) in turn; Between described vavuum pump and soft air-guide pipe (414), be also connected with pressure vacuum gauge (72), magnetic valve (101), pressure sensor (70) in turn.
6. according to equipment claimed in claim 4, it is characterized in that: on described refrigerant fluid reservoir, be also provided with heater, described temp controlled meter (81) is connected with heater.
7. according to equipment claimed in claim 1, it is characterized in that: in described workbench (2) oriented manipulation person's side, be also provided with operation wheel disc (9), in the position of the close bottom of equipment body (1), be also provided with exhaust outlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452832.8U CN203432173U (en) | 2013-07-29 | 2013-07-29 | Thermostatic expansion valve sensing bulb liquid filling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452832.8U CN203432173U (en) | 2013-07-29 | 2013-07-29 | Thermostatic expansion valve sensing bulb liquid filling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432173U true CN203432173U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320452832.8U Expired - Fee Related CN203432173U (en) | 2013-07-29 | 2013-07-29 | Thermostatic expansion valve sensing bulb liquid filling equipment |
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| Country | Link |
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| CN (1) | CN203432173U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388943A (en) * | 2013-07-29 | 2013-11-13 | 浙江金丰机械设备有限公司 | Method and equipment for filling liquid in temperature sensing bulb of thermostatic expansion valve |
| CN107166828A (en) * | 2017-06-13 | 2017-09-15 | 珠海格力智能装备有限公司 | Air conditioner outdoor unit filling equipment |
| CN108758339A (en) * | 2018-05-18 | 2018-11-06 | 辽宁工程技术大学 | A kind of device and method filling phase-change material into plastic flexible pipe |
-
2013
- 2013-07-29 CN CN201320452832.8U patent/CN203432173U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388943A (en) * | 2013-07-29 | 2013-11-13 | 浙江金丰机械设备有限公司 | Method and equipment for filling liquid in temperature sensing bulb of thermostatic expansion valve |
| CN107166828A (en) * | 2017-06-13 | 2017-09-15 | 珠海格力智能装备有限公司 | Air conditioner outdoor unit filling equipment |
| CN108758339A (en) * | 2018-05-18 | 2018-11-06 | 辽宁工程技术大学 | A kind of device and method filling phase-change material into plastic flexible pipe |
| CN108758339B (en) * | 2018-05-18 | 2020-03-31 | 辽宁工程技术大学 | A device and method for filling a plastic hose with phase change material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160729 |