CN2093348U - Portable multifunctional maintenance instrument for freezing equipment - Google Patents
Portable multifunctional maintenance instrument for freezing equipment Download PDFInfo
- Publication number
- CN2093348U CN2093348U CN 91214413 CN91214413U CN2093348U CN 2093348 U CN2093348 U CN 2093348U CN 91214413 CN91214413 CN 91214413 CN 91214413 U CN91214413 U CN 91214413U CN 2093348 U CN2093348 U CN 2093348U
- Authority
- CN
- China
- Prior art keywords
- pressure
- delivery outlet
- gas
- quantitative
- current
- 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.)
- Withdrawn
Links
Images
Abstract
The utility model discloses a portable multifunctional maintenance instrument for a freezing device, provided with a current and voltage indicating and pressure-regulation detecting mechanism, an evacuating pressurizing and quantitative fluorine filling mechanism, and a gas welding sealing mechanism. The voltage and the operating current of a refrigerator, a window type air conditioner, and all unidirectional power supply devices whose rated current is smaller than 20A can be detected and maintained through the current and voltage indicating and pressure-regulation detecting mechanism. A repaired device can be evacuated, pressurized, and filled with quantitative liquid through the evacuating pressurizing and quantitative fluorine filling mechanism; when the device needs more than 400g refrigerants, a big freezing bottle can be externally connected to satisfy the needs of the repaired device. A device which is filled with quantitative fluorine can be reliably welded and sealed with high efficiency through the gas welding sealing mechanism.
Description
The utility model relates to a kind of portable multi-function refrigeration plant maintenance instrument, and this instrument mainly fills fluorine, seals etc. as maintenance, test, the metering of refrigeration plants such as refrigerator, air-conditioning.
At present, in refrigeration plant such as refrigerator repairing trades, traditional repair outfit is one of a vacuum pressure pump, one of air bottle, each self-separation is when needing to refrigerator pressurization leak detection, directly air is pressed into, because airborne moisture also enters refrigeration system thereupon, be easy to cause the stifled problem of ice of refrigerator inside, influence the quality of refrigerator; When filling fluorine after finding time, also will lay down tube connector, refill on air bottle, in this moving process, air is the entering part pipeline once more, influences refrigeration; Particularly the compressor that the motor tissue is burnt out is operated on after the overhaul, more needs efficiency test.Because this special equipment of tradition repairing nothing is tested its exhaust efficiency and is reduced to what degree, be difficult to guarantee high-quality reparation, after compressor electric motor is changed winding or parts renewal refitting besides, the performance firing test of carrying can't be arranged, it is generally acknowledged that the No Load Start running gets final product, so occur self-contained back sometimes by filling the fluorine application of load, compressor just can not start, must unload again, the result is time-consuming.In sum; the ubiquity specific purpose tool disperses; volume is big; inconvenience is carried; the means of testing imperfection; be difficult to guarantee repair quality; more inconvenient maintenance producer shortcoming such as make house calls; though Chinese patent CN2049330U collection pressurization leak detection; find time to fill fluorine; electric current and voltage indication and pressure regulation are detected on all over the body; but still exist practical face narrow; that is: only be suitable for the repairing of refrigerator, volume is big; carry inconvenience, the fluorine feeding machine structure does not have the quantitative weighing device; cannot say for sure best maintenance effect; ammeter does not have and starts big current protective device, and ammeter be cannot say for sure shortcomings such as " not having an injection " during startup, and what outstanding sense was not enough is; this maintenance instrument does not have the welding equipment of refrigeration maintenance most critical, unable whole programs of independently finishing the refrigerator repairing.
The purpose of this utility model is to be to provide a kind of portable multi-function refrigeration plant maintenance instrument, this instrument integrates pressurization to be hunted leak, find time, measures and fill fluorine, electric current and voltage indication, pressure regulation detection and solder up equipment, can effectively independently finish whole maintenance works of refrigeration plants such as refrigerator, air-conditioning.
The purpose of this utility model can realize by following technical measures.Be that portable multifunction refrigeration maintenance of equipment instrument is provided with a current/voltage indication, pressure regulation testing agency, this mechanism can carry out the detection and the maintenance of voltage, operating current to refrigerator, window air conditioner and rated current less than all unidirectional power supply units of 20A; Be provided with the pressurised metered fluorine feeding machine structure of finding time, this mechanism can find time to the equipment that is keeped in repair, quantitative liquid feeding is disposable finishes, and when the required cold-producing medium of equipment during greater than 400g, can external big refrigerated bottle, to satisfy its equipment needs; Be provided with a gas welding enclosed mechanism, this mechanism can carry out the welding of high efficient and reliable ground to finishing the equipment that quantitatively fills fluorine, seals.
Concrete structure of the present utility model and embodiment are provided by the following drawings:
Fig. 1 is an external structure schematic diagram of the present utility model; This figure has mainly expressed the installation site relation of control panel upper-part;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the rearview of Fig. 1;
Fig. 4 is a circuit structure diagram of the present utility model,
Fig. 5 is a solder up mechanism map of the present utility model;
Fig. 6 is the utility model pressurised metered fluorine feeding machine composition of finding time;
Schematic diagram when Fig. 7 keeps in repair refrigerator for the utility model;
Schematic diagram when Fig. 8 keeps in repair the air-conditioning unit for the utility model;
Below with reference to accompanying drawing concrete structure of the present utility model and working condition are further described.
Referring to accompanying drawing 1-8, the utility model portable multi-function refrigeration plant maintenance instrument by a current/voltage indicate, pressure regulation testing agency, pressurization of finding time, quantitatively fluorine feeding machine structure and a gas welding enclosed mechanism are formed.Three mechanisms all depend on a casing, constitute an organic whole.At casing 36 inner chambers 400g liquid storage bottle 25 is housed successively from left to right, transparent quantitative liquid feeding tube 23, liquid fuel bottle 22, miniature oxygen cylinder 13, high efficiency particulate air filter 34, high pressure vacuum pump motor 3 and the true pump 29 in high-altitude that connects with it; At cabinet panel is to be provided with the unidirectional external liquid feeding hole 26 of continuing on the control panel 37 from left to right, from top to bottom successively, quantitative liquid feeding valve 24, high pressure gas delivery outlet 27, vacuum work Pressure gauge 31, equipment charging valve 30, external vacuum liquid filling hole 32, unidirectional combustion gas liquid filling hole 21, unidirectional combustion gas delivery outlet 20, A.C. voltmeter 9, alternating current ammeter 8,2A, 20A alteration switch 7 ［ K
1, power supply indication neon lamp 10, high pressure admission valve 33, high-pressure manometer 28, oxygen delivery outlet 17, microminiature oxygen pressure-reducing valve 15, electric power switch 11 ［ K
2, instrument out-put supply socket 4,250Kg oxygen gauge 14, Low Pressure Oxygen gas meter 16.
The indication of electric current of the present utility model, voltage, pressure regulation testing agency be by external power supply patch 1, power input socket 2, switch 7 ［ K
1; ammeter is in the commutation inductance 6 of 2A operating current; alternating current ammeter 8; start surge current current divider 5, A.C. voltmeter 9, indicator lamp 10; out-put supply socket 4 is formed; purpose is refrigerator, window air conditioner and rated current are carried out the detection of voltage, operating current less than all unidirectional power supply units of 20A, if the operating current of the equipment of repairing shows then that less than rated current the equipment cold-producing medium has rushed down leakage.When connecting electric power switch 11 ［ K
2, by means of startup electric capacity 12 ［ C ］, 3 runnings of high pressure vacuum pump motor drive 29 work of high pressure vacuum pump, thus realization is found time continuously or is exported the interior gases at high pressure of 20Kg.
Pressurization leak detection working condition such as following of the present utility model:
Earlier the liquid-feeding tube head of the quick pin of this instrument institute fittings and the equipment of repairing is directly contained and connect, the high pressure gas delivery outlet 27 with another liquid-feeding tube and this instrument links again, Closing Switch 11 ［ K
2, at this moment, by external vacuum liquid filling hole 32 air inlets, the size or the break-make of high pressure admission valve 33 its air-flows of control, 34 pairs of filtrations such as moisture content of high efficiency particulate air filter are through 29 pressurizations of high pressure vacuum pump, air-flow is reached export institute to from high pressure gauge delivery outlet hole behind the required pressure and repair the equipment, thereby hunt leak comprehensively.Its output pressure is in the 20Kg, and water content is less than 0.001%, thereby guarantees its repair quality effectively.
The pressurization of finding time of the present utility model, quantitatively the fluorine feeding machine structure is by the unidirectional external liquid feeding hole 26 of continuing, 400g liquid storage bottle 25, quantitative liquid feeding valve 24, transparent quantitative liquid feeding tube 23, equipment charging valve 30, vacuum work Pressure gauge 31, external vacuum liquid filling hole 32, high pressure admission valve 33, high efficiency particulate air filter 34, high pressure vacuum pump motor 3, high pressure vacuum pump 29, high-pressure manometer 28, high pressure gas delivery outlet 27 constitutes.Its operation sequence is: will with the joining liquid-feeding tube reconfiguration of equipment in the hole 32, connect switch 11 ［ K
2And valve 33, equipment is vacuumized processing, take out reach-during the 760mm mercury ［ can observe ］ by vacuum work Pressure gauge 31, shut off valve 33, open quantitative liquid feeding valve 24, to transparent quantitative liquid feeding tube 23 liquid feedings, liquid feeding to when repairing the refrigerant amount of equipment nominal, close quantitative liquid feeding valve 24, slowly open equipment charging valve 30 then, cold-producing medium is input in the equipment through external vacuum liquid filling hole 32, and facilities for observation working order from the vacuum work Pressure gauge 31 at last errorlessly promptly freezes, seals.When the cold-producing medium demand is carried out liquid feeding greater than refrigeration plants such as 400 window air conditioners that restrain, refrigerator-freezers, its working procedure and above-mentioned basic identical, just need join a liquid-feeding tube is again linked with outer cryogen source by continue hole 26 of unidirectional external liquid feeding, by the repeatedly weighing of transparent quantitative liquid feeding tube, till nominal value.
Gas welding enclosed mechanism of the present utility model is by high-pressure oxygen cylinder 13,250Kg Pressure gauge 14, and microminiature pressure-reducing valve 15, Low Pressure Oxygen gas meter 16, oxygen delivery outlet 17 is formed a gas circuit; By unidirectional combustion gas charging aperture 21, liquid fuel bottle 22, unidirectional combustion gas delivery outlet 20 is formed another road, and each interelement is connected by sebific duct.Welding torch 18 by gas transmission pneumatic hose 19 respectively with oxygen delivery outlet 17, unidirectional combustion gas delivery outlet 20 links, the thimble valve is housed in the hole 20, by last gas transmission pneumatic hose combustion gas output can be arranged, open the switch of miniature oxygen cylinder 13 again, adjust microminiature pressure-reducing valve 15 to required pressure and ［ can observe ］, repairing equipment leak source is welded with welding torch 18 according to Low Pressure Oxygen gas meter 16, and then repeat pressurization leak detection, till eliminating whole leak sources.
The utility model compared with prior art has the following advantages:
1. the utility model is electric current and voltage indication, pressure regulation inspection side, finds time to pressurize, quantitatively fills the function such as fluorine, solder up and realize that the specific purpose tool of described function comes together in one, and its volume is little, function is complete, is easy to carry, and is easy to use.
2. circuit of the present utility model has been set up the surge current current divider, and in the time of can guaranteeing this instrument work, ammeter " is not had an injection ".
3. the utility model takes to open and close successively the mode of valve 33,24,30, makes the finding time of the equipment of repairing, quantitative liquid feeding is disposable finishes, and has improved operating efficiency, has avoided entering once again of air, has guaranteed repair quality.
4. the utility model is owing to be provided with the unidirectional external liquid feeding hole 26 of continuing, can external cryogen source so not only be useful for the little refrigerator maintenance of cold-producing medium demand, also can be competent at the maintenance of the big air-conditioning of cold-producing medium demand, refrigerator-freezer simultaneously.
Claims (3)
1, a kind of portable multi-function refrigeration plant maintenance instrument comprises a current/voltage indication, pressure regulation testing agency, it is characterized in that the pressurization of finding time, quantitative fluorine feeding machine structure, a gas welding enclosed mechanism.
2, according to the described portable multi-function refrigeration plant of claim 1 maintenance instrument, the pressurised metered fluorine feeding machine structure that it is characterized in that finding time is by the unidirectional external pressurization hole 26 of continuing, 400g liquid storage bottle 25, quantitative liquid feeding valve 24, transparent quantitative liquid feeding tube 23, equipment charging valve 30, vacuum work Pressure gauge 31, external vacuum liquid filling hole 32, high pressure admission valve 33, high efficiency particulate air filter 34, high pressure vacuum pump motor 3, high pressure vacuum pump 29, high-pressure manometer 28, high pressure gas delivery outlet 27 constitutes.
3, according to the described portable multi-function refrigeration plant of claim 1 maintenance instrument, it is characterized in that the gas welding enclosed mechanism by high-pressure oxygen cylinder 12,250Kg Pressure gauge 14, microminiature pressure-reducing valve 15, Low Pressure Oxygen gas meter 16, oxygen delivery outlet 17 is formed a gas circuit; By unidirectional combustion gas charging aperture 21, liquid fuel bottle 22, unidirectional combustion gas delivery outlet 20 is formed another roads, each interelement is connected by pipeline, in addition, welding torch 18 by gas transmission pneumatic hose 19 respectively with oxygen delivery outlet 17, unidirectional combustion gas delivery outlet 20 links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214413 CN2093348U (en) | 1991-04-18 | 1991-04-18 | Portable multifunctional maintenance instrument for freezing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214413 CN2093348U (en) | 1991-04-18 | 1991-04-18 | Portable multifunctional maintenance instrument for freezing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2093348U true CN2093348U (en) | 1992-01-15 |
Family
ID=4922619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91214413 Withdrawn CN2093348U (en) | 1991-04-18 | 1991-04-18 | Portable multifunctional maintenance instrument for freezing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2093348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237734A (en) * | 2017-07-27 | 2017-10-10 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
| CN111023438A (en) * | 2019-11-27 | 2020-04-17 | 合肥通用制冷设备有限公司 | Portable general air conditioner detection device |
-
1991
- 1991-04-18 CN CN 91214413 patent/CN2093348U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237734A (en) * | 2017-07-27 | 2017-10-10 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
| CN107237734B (en) * | 2017-07-27 | 2019-03-22 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
| CN111023438A (en) * | 2019-11-27 | 2020-04-17 | 合肥通用制冷设备有限公司 | Portable general air conditioner detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110138886A1 (en) | Refrigerated Transport System Testing | |
| JP2001280762A (en) | Charging device for automotive air conditioning system | |
| CN2093348U (en) | Portable multifunctional maintenance instrument for freezing equipment | |
| CN208887869U (en) | A kind of automatic air tightness detecting system | |
| CN107013450A (en) | A kind of energy-saving compressor method for testing performance and device | |
| CN109916568A (en) | Electric machine controller sealing propertytest system, device and method | |
| CN107677432A (en) | A kind of automobile air conditioner compressor valve group air-tightness detection device | |
| WO2020151367A1 (en) | Simulated comprehensive test system for gas sealing performance | |
| CN210688554U (en) | Cleaning device for refrigeration air-conditioning system without condenser, expansion valve and capillary tube | |
| CN114088168B (en) | Liquid hydrogen flow standard device driven by liquid hydrogen pump and adopting mass method | |
| CN207018184U (en) | A kind of energy-saving compressor device for detecting performance | |
| CN115655599A (en) | Hydrogen-doped connection sealing element leakage detection and fatigue integrated experimental device and method | |
| CN114354086A (en) | Container type hydrogen storage cylinder air tightness test system | |
| WO2021212248A1 (en) | Portable refrigerant pressure gauge | |
| CN204984833U (en) | Vacuum pump performance testing platform | |
| CN209400217U (en) | A kind of engine air conditioner load testing equipment | |
| CN109668736A (en) | A kind of engine air conditioner load testing equipment | |
| CN205246285U (en) | Utilize liquid nitrogen pressure boost gasification to carry out equipment that gas tightness was inspected | |
| CN111256914A (en) | Engine oil duct water channel leakage test device and method | |
| CN211855749U (en) | Heat management system product pipeline airtightness testing device | |
| CN210571896U (en) | Field frost test device | |
| CN220791467U (en) | Compressor test system | |
| CN216342720U (en) | Energy-saving monitoring device for air compressor system | |
| CN216116546U (en) | Battery package air tightness detector | |
| CN214173671U (en) | Detection equipment for running test compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |