CN102213510B - Weighing type fully-automatic charger of refrigerant - Google Patents
Weighing type fully-automatic charger of refrigerant Download PDFInfo
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- CN102213510B CN102213510B CN 201110131050 CN201110131050A CN102213510B CN 102213510 B CN102213510 B CN 102213510B CN 201110131050 CN201110131050 CN 201110131050 CN 201110131050 A CN201110131050 A CN 201110131050A CN 102213510 B CN102213510 B CN 102213510B
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Abstract
The invention relates to a weighing type fully-automatic charger of a refrigerant. The charger accurately charges the refrigerant to refrigeration equipment. The weighing type fully-automatic charger of the refrigerant comprises a shell, wherein a liquid-phase interface and a gas-phase interface which are connected with a refrigerant raw material machine are arranged on a surface of the shell; a charging hole which charges the refrigerant to the refrigeration equipment is also formed in the surface of the shell; and refrigerant separate-loading pressurizing equipment and refrigerant charging equipment are arranged in the shell. The weighing type fully-automatic charger of the refrigerant has reasonable structural design, quite high charging accuracy, quite small charging error and high degree of automation, is greatly cheaper than a flow meter and long in service life, and can meet working requirements of charging capacity of below 50 g.
Description
Technical field
the present invention relates to a kind of automatically filled machine of cold-producing medium weight metering formula that accurately fills cold-producing medium to refrigeration plant.
Background technology
fill cold-producing medium with the weight metering formula at present, if stock bottle directly is put on the scale pan of electronic scale, limited by the range of electronic scale and accuracy, and the error that fills will be very big, can not satisfy the job requirement of charging amount below 50g.Also have a kind of method to measure charging amount with flow meter exactly, the one, gauge table is very expensive, and service life is short, and the 2nd, receive stock bottle pressure variable effect big, error in dipping is bigger.
Summary of the invention
therefore, the object of the present invention is to provide a kind of measuring accuracy high, can realize the refrigeration plant of charging amount below 100 grams carried out accurately the automatically filled machine of cold-producing medium weight metering formula that fills, automaticity is high.
The object of the invention is realized through following technical scheme:
A kind of cold-producing medium weight metering formula automatically fills machine, comprises housing, and surface of shell is provided with the gentle interfaces of liquid phase interface that is connected with the cold-producing medium stock bottle, and surface of shell also is provided with the filled mouth that fills cold-producing medium to refrigeration plant;
Be provided with cold-producing medium packing pressurized equipment and refrigerant charging equipment in the housing body;
Cold-producing medium packing pressurized equipment comprises pressurized bottle, weigher, heater; Pressurized bottle is placed on the weigher and weighs; Cold-producing medium in the heater heating and pressurizing bottle; Pressurized bottle is provided with gas phase interface, liquid phase interface and cold-producing medium output interface, and pressurized bottle gas phase interface is connected with the gas phase interface of surface of shell, and pressurized bottle liquid phase interface is connected with the liquid phase interface of surface of shell and on the pipeline that they are communicated with, is provided with first magnetic valve, second magnetic valve, feed pump;
refrigerant charging equipment comprises recorder jar, weigher, heater; Recorder jar is placed on the weigher and weighs; Cold-producing medium in the heater heating recorder jar; Recorder jar is provided with gas phase interface, liquid phase interface and cold-producing medium output interface; Recorder jar gas phase interface is connected with pressurized bottle gas phase interface, and recorder jar liquid phase interface is connected with pressurized bottle cold-producing medium output interface and on the pipeline that they are communicated with, is provided with the 3rd magnetic valve, the 4th magnetic valve, feed pressurization pump, and recorder jar cold-producing medium output interface is connected with the filled mouth of surface of shell.
Technique scheme also can be done following further perfect:
The weigher of
said cold-producing medium packing pressurized equipment is provided with weight controller.
The heater of
said cold-producing medium packing pressurized equipment is provided with pressure controller.
The weigher of
said refrigerant charging equipment is provided with weight charging amount controller.
said refrigerant charging equipment heater is provided with pressure controller and temperature controller.
said recorder jar cold-producing medium output interface and housing fill in the connecting pipeline between the mouth and are provided with pump.
said filled mouth also is provided with vaccum-pumping equipment, between filled mouth and vaccum-pumping equipment, is parallel with two pipelines, and a pipeline is provided with magnetic valve and capillary, and another pipeline is provided with magnetic valve.
reasonable in design of the present invention is imported the cold-producing medium of big stock bottle in the little recorder jar, because the Capacity Ratio of recorder jar is less with liquid delivery pump earlier; Drop it off on the little electronic scale of range, electronic scale just can adopt the electronic scale of Libra level, and accuracy will be very high; It is just very little to fill error, can satisfy the job requirement of the following charging amount of 50g, and the present invention also is provided with pressurized bottle before recorder jar; In pressurized bottle and recorder jar, be provided with the heating supercharging device; Be stressed controller control of electro-heat equipment can guarantee the pressure stability of recorder jar in the process of filling, give security for filling precision.Automaticity of the present invention is high, and price is cheap more than flowmeter, long service life.
Description of drawings
accompanying drawing is a structure principle chart of the present invention.
The specific embodiment
are made further detailed description below in conjunction with accompanying drawing to the present invention.
combine accompanying drawing; A kind of cold-producing medium weight metering formula automatically fills machine; Comprise housing 1, surface of shell is provided with the liquid phase interface 3 gentle interfaces 4 that are connected with cold-producing medium stock bottle 2, and surface of shell also is provided with the filled mouth 6 that fills cold-producing medium to refrigeration plant 5.
Be provided with cold-producing medium packing pressurized equipment A and refrigerant charging equipment B in
housing body.
cold-producing medium packing pressurized equipment A comprises pressurized bottle 7, weigher 8, heater 9, and pressurized bottle 7 is placed on the weigher 8 and weighs, the cold-producing medium in the heater 9 heating and pressurizing bottles 7; Pressurized bottle 7 is provided with gas phase interface 10, liquid phase interface 11 and cold-producing medium output interface 12; Pressurized bottle gas phase interface 10 communicates with the gas phase interface 4 of surface of shell and on the pipeline that their are communicated with, is provided with magnetic valve 13, and pressurized bottle liquid phase interface 11 communicates with the liquid phase interface 3 of surface of shell and on the pipeline of their connections, is provided with first magnetic valve 14, second magnetic valve 15, feed pump 16, if for the charging effect better; Can also increase a feed pressurization pump 17 in feed pump 16 back; Weigher is provided with weight controller 19, and weight controller 19 has been preset upper limit weight and limit weight, when weight reaches upper limit weight; Equipment stops pressurized bottle system cryogen automatically; When weight dropped to limit weight, equipment started the charging work of pressurized bottle automatically, and the weight controller 19 of pressurized bottle has also been preset one and owed to expect warning function; When the pressurized bottle weight that weight controller inspection 19 measures pressurized bottle in charging work can not increase in ten seconds; Export an alarm signal, the cold-producing medium of prompting stock bottle uses up, and needs to change stock bottle.The heater 9 of pressurized bottle is provided with pressure controller 20, and pressurized bottle is when charging, and the heater 9 of pressurized bottle stops heating, and pressurized bottle is when recorder jar output cold-producing medium, and the heater 9 of pressurized bottle starts, the heater 9 general electric heating tubes that adopt of pressurized bottle.
refrigerant charging equipment B comprises recorder jar 21, weigher 22, heater 23; Recorder jar 21 is placed on the weigher 22 and weighs; Cold-producing medium in the heater 23 heating recorder jars 21, recorder jar 21 is provided with gas phase interface 24, liquid phase interface 25 and cold-producing medium output interface 26, and recorder jar 21 gas phase interfaces 24 communicate with pressurized bottle gas phase interface 10 and on the pipeline that they are communicated with, are provided with magnetic valve 27; Recorder jar liquid phase interface 25 is communicated with pressurized bottle cold-producing medium output interface 12 and on the pipeline that their are communicated with, is provided with the 3rd magnetic valve 28, the 4th magnetic valve 280; Feed pump 16, feed pressurization pump 17, wherein the feed path of recorder jar and pressurized bottle partially overlaps; Make both can be shared feed pump 16, feed pressurization pump 17; The machine intimate pipeline is compacter like this, also reduces cost, and recorder jar cold-producing medium output interface 26 is communicated with the filled mouth 6 of surface of shell and on the pipeline of their connections, is provided with magnetic valve 30 and filled pump 31.The weigher of the equipment of filling is provided with weight charging amount controller 32; Weight charging amount controller 32 preestablishes upper limit weight and limit weight, when the weight of recorder jar drops to the limit weight value, starts charging work automatically; When recorder jar weight reaches upper limit weight; Charging work stops automatically, and recorder jar can preestablish an insurance weight, and the weight charging amount controller 32 of recorder jar detects that weight drops to the value of setting and can not gain in weight automatically the time; Export an alarm signal, the cold-producing medium weight of prompting recorder jar is cisco unity malfunction.The heater 23 of the equipment of filling is provided with pressure controller 33 and temperature controller; Because when the work of filling, the pressure of recorder jar can reduce along with the output of cold-producing medium, thereby pressure controller 33 can utilize cold-producing medium to increase the characteristic that temperature increases pressure; According to preestablishing numerical value; Control fills the work of the heater 23 of equipment, thereby the pressure of stabilimeter measuring bottle guarantees to fill precision.
Divide process of assembling:
are connected with the liquid phase interface with the gas phase interface of surface of shell with liquid interface with the gas phase interface of pipeline with stock bottle to pressurized bottle input cold-producing medium, start charging work; Magnetic valve 13, first magnetic valve 14, second magnetic valve 15 are opened, and feed pump 16 starts with feed pressurization pump 17, and liquid refrigerant is from stock bottle 2 outputs; Through first magnetic valve 14, feed pump, feed pressurization pump, second magnetic valve 15 get into pressurized bottles, and the weight of pressurized bottle input cold-producing medium is by weight controller 19 controls; Weight controller 19 has been preset upper limit weight and limit weight, and when weight reached upper limit weight, equipment stopped the pressurized bottle charging automatically; When weight dropped to limit weight, equipment started the charging work of pressurized bottle automatically, in charging work; Magnetic valve 13 is opened, and the gas phase interface of pressurized bottle gas phase interface and stock bottle is communicated, and the heater 9 of pressurized bottle temporarily quits work; The pressure of pressurized bottle and the pressure of stock bottle reach balance, accelerate charging rate, after charging work stops; Magnetic valve 13, first magnetic valve 14, second magnetic valve 15 are closed, feed pump, and the feed pressurization pump shuts down; The heater 9 of pressurized bottle is resumed work, and pressure controller 20 is according to the pressure value that sets, and the cold-producing medium of 9 pairs of pressurized bottles of heater of control pressurized bottle pressurizes and the pressure of stable pressurized bottle.The weight controller 19 of pressurized bottle has been preset one and has been owed to expect warning function; When the weight that detects pressurized bottle when pressurized bottle weight controller 19 in charging work can not increase in ten seconds; Export an alarm signal, the cold-producing medium of prompting stock bottle uses up, and needs to change stock bottle.
Import cold-producing medium to recorder jar:
recorder jar preestablishes upper limit weight and limit weight, when the weight of recorder jar drops to the limit weight value, starts charging work automatically; The 3rd magnetic valve 28, the 4th magnetic valve 280 are opened, feed pump and feed pressurization pump startup, and liquid refrigerant is exported from the cold-producing medium output interface of pressurized bottle; Through the 4th magnetic valve 280, feed pump 16, feed pressurization pump 17, the 3rd magnetic valve 28 input recorder jars, when recorder jar weight reached upper limit weight, charging work stopped automatically; Magnetic valve 27 is opened in charging work, makes the gas phase mouth of recorder jar and pressurized bottle gas phase mouth be communicated with the pressure of equilbristat measuring bottle and pressurized bottle; Quickening is imported cold-producing medium to recorder jar; And the heater 23 of recorder jar can not quit work, and to guarantee the pressure stability of recorder jar, fills work at any time.When if the pressure of pressurized bottle can not reach the pressure that sets, the charging work meeting of recorder jar temporarily stops, and when the pressure of treating pressurized bottle reaches setting value, just recovers recorder jar charging work automatically.
recorder jar can preestablish an insurance weight; The weight charging amount controller 32 of recorder jar detects that weight drops to the value of setting and can not gain in weight automatically the time; Export an alarm signal, the cold-producing medium weight of prompting recorder jar is cisco unity malfunction.
said filled mouthful 6 also are provided with vaccum-pumping equipment C, between filled mouth 6 and vaccum-pumping equipment, are parallel with two pipelines, and a pipeline is provided with magnetic valve 34 and capillary 35, and another pipeline is provided with magnetic valve 36.
The work of filling:
are connected this machine with pipeline with the refrigeration machine that quilt fills, to machine input vacuum setting value and refrigerant charge, start the machine, and vacuumize magnetic valve 37 and open; Vavuum pump 38 runnings are vacuumized work to filling refrigeration machine, and magnetic valve 37 receives 39 controls of vacuum degree control device with vavuum pump 38, when vacuum reaches setting value; Vavuum pump 38 quits work, and magnetic valve 37 cuts out, and stops the work of vacuumizing automatically and starts the work of filling; According to the instruction of charging amount controller, magnetic valve 30, filled pump 31, magnetic valve 34; 36 start, and liquid refrigerant charges into refrigeration machine from the exhaust outlet output of recorder jar through magnetic valve 30, filled pump 31, magnetic valve 34 and capillary 35, magnetic valve 36; Electronic scale 22 detects the output weight of recorder jars, when detecting the filled weight of setting, electronic scale through weight charging amount controller 32 electromagnetic valve of instruction 30, fill pump 31; Magnetic valve 34,36 quits work, thereby reaches the purpose that quantitatively fills cold-producing medium.Wherein magnetic valve 34 is the magnetic valves of the speed that fills of slowing down; Operation principle is when detecting when accomplish filling the also surplus 100g of weight; Magnetic valve 36 cuts out earlier, and the capillary 35 that residual refrigerant is connected through the magnetic valve 34 filled speed that slows down makes electronic scale 22 and weight charging amount controller 32 can detect and handle the output weight of recorder jar more accurately; Make filled accuracy error littler, accomplish up to filled work
Claims (7)
1. a cold-producing medium weight metering formula automatically fills machine, and it is characterized in that: comprise housing, surface of shell is provided with the gentle interfaces of liquid phase interface that is connected with the cold-producing medium stock bottle, and surface of shell also is provided with the filled mouth that fills cold-producing medium to refrigeration plant;
Be provided with cold-producing medium packing pressurized equipment and refrigerant charging equipment in the housing body;
Cold-producing medium packing pressurized equipment comprises pressurized bottle, weigher, heater; Pressurized bottle is placed on the weigher and weighs; Cold-producing medium in the heater heating and pressurizing bottle; Pressurized bottle is provided with gas phase interface, liquid phase interface and cold-producing medium output interface, and pressurized bottle gas phase interface is connected with the gas phase interface of surface of shell, and pressurized bottle liquid phase interface is connected with the liquid phase interface of surface of shell and on the pipeline that they are communicated with, is provided with first magnetic valve, second magnetic valve, feed pump;
Refrigerant charging equipment comprises recorder jar, weigher, heater; Recorder jar is placed on the weigher and weighs; Cold-producing medium in the heater heating recorder jar; Recorder jar is provided with gas phase interface, liquid phase interface and cold-producing medium output interface; Recorder jar gas phase interface is connected with pressurized bottle gas phase interface, and recorder jar liquid phase interface is connected with pressurized bottle cold-producing medium output interface and on the pipeline that they are communicated with, is provided with the 3rd magnetic valve, the 4th magnetic valve, feed pressurization pump, and recorder jar cold-producing medium output interface is connected with the filled mouth of surface of shell.
2. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula, it is characterized in that: the weigher of said cold-producing medium packing pressurized equipment is provided with weight controller.
3. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula, it is characterized in that: the heater of said cold-producing medium packing pressurized equipment is provided with pressure controller.
4. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula, it is characterized in that: the weigher of said refrigerant charging equipment is provided with weight charging amount controller.
5. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula, it is characterized in that: said refrigerant charging equipment heater is provided with pressure controller and temperature controller.
6. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula, it is characterized in that: said recorder jar cold-producing medium output interface and housing fill in the connecting pipeline between the mouth and are provided with pump.
7. automatically fill machine according to the said cold-producing medium weight metering of claim 1 formula; It is characterized in that: said filled mouth also is provided with vaccum-pumping equipment; Between filled mouth and vaccum-pumping equipment, be parallel with two pipelines, a pipeline is provided with magnetic valve and capillary, and another pipeline is provided with magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131050 CN102213510B (en) | 2011-05-19 | 2011-05-19 | Weighing type fully-automatic charger of refrigerant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131050 CN102213510B (en) | 2011-05-19 | 2011-05-19 | Weighing type fully-automatic charger of refrigerant |
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| CN102213510A CN102213510A (en) | 2011-10-12 |
| CN102213510B true CN102213510B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110131050 Active CN102213510B (en) | 2011-05-19 | 2011-05-19 | Weighing type fully-automatic charger of refrigerant |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121734B (en) * | 2013-04-23 | 2018-07-06 | 珠海格力电器股份有限公司 | A kind of split type perfusion system and its control method of weighing |
| CN103588160B (en) * | 2013-11-18 | 2016-02-17 | 柳州职业技术学院 | A kind of small refrigerant racking machine |
| CN104807262B (en) * | 2015-05-05 | 2017-11-03 | 上海佐竹冷热控制技术有限公司 | Refrigerant for vehicle air conditioning test system fills recovery system and method |
| CN105333658B (en) * | 2015-11-30 | 2018-06-01 | 杭州嘉祥制冷科技有限公司 | A kind of method for cooling down liquid dosing device and quantitative perfusion coolant |
| CN105972853A (en) * | 2016-06-20 | 2016-09-28 | 华中科技大学 | Low-temperature refrigerant liquid spraying device and automatic liquid spraying and supplementing method |
| CN106989547A (en) * | 2017-05-18 | 2017-07-28 | 绍兴西爱西尔数控科技有限公司 | A kind of filling machine for being used to fill ultralow temperature refrigerant of the critical-temperature less than 50 DEG C |
| CN108061412A (en) * | 2017-12-06 | 2018-05-22 | 珠海格力电器股份有限公司 | Cooling medium charging equipment and its control method |
| CN111336728B (en) * | 2020-03-16 | 2021-12-10 | 深圳市道通科技股份有限公司 | Refrigerant transmission method and device and refrigerant treatment equipment |
| CN111981732B (en) * | 2020-07-24 | 2021-07-27 | 中标能效科技（北京）有限公司 | Automatic refrigerant filling device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4749158B2 (en) * | 2006-01-12 | 2011-08-17 | 三洋電機株式会社 | Repair method of refrigerant circuit filled with carbon dioxide as refrigerant |
| JP5511133B2 (en) * | 2007-12-26 | 2014-06-04 | 三星電子株式会社 | Air conditioner |
| KR101545488B1 (en) * | 2008-03-21 | 2015-08-21 | 엘지전자 주식회사 | Method for charging of refrigerant of air conditioner |
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| CN101017043A (en) * | 2007-02-28 | 2007-08-15 | 沈司福 | Multifunctional reclaiming machine |
| CN101307971A (en) * | 2008-04-10 | 2008-11-19 | 上海理工大学 | Determination method for frequency converting air-conditioner liquid reservoir capacity and refrigerant charging amount |
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| Title |
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| JP特开2007-187369A 2007.07.26 |
| JP特开2009-156493A 2009.07.16 |
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Effective date of registration: 20170512 Address after: Daliang Shunde District 528300 in Guangdong province Foshan City Road No. 5-1 Guang Zhu Lu, Honggang Building No. four building (Guangzhou Zhuhai Highway Honggang Road No. 29 -12) Patentee after: FOSHAN SHUNDE DINGLIAN INTELLIGENT TECHNOLOGY CO.,LTD. Address before: Shunde Jiaxin City Garden District Daliang 528300 Guangdong Province, Foshan City, the 9 seat 5F Patentee before: Feng Yiwang |
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Address after: One of 701, Building 6, Zhifu Baili Garden, No. 28, Nanguo West Road, Gate Community, Daliang Street, Shunde District, Foshan City, Guangdong Province, 528300 (Residence declaration) Patentee after: FOSHAN SHUNDE DINGLIAN INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 528300 back workshop of building 4, no.5-1, Honggang section, Guangzhu Road, Daliang, Shunde District, Foshan City, Guangdong Province (no.29-12, Honggang section, Guangzhu Road) Patentee before: FOSHAN SHUNDE DINGLIAN INTELLIGENT TECHNOLOGY CO.,LTD. |