CN102128706A - Device and method for simulating leakage test of combustible refrigerant of refrigerator - Google Patents
Device and method for simulating leakage test of combustible refrigerant of refrigerator Download PDFInfo
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- CN102128706A CN102128706A CN 201010608217 CN201010608217A CN102128706A CN 102128706 A CN102128706 A CN 102128706A CN 201010608217 CN201010608217 CN 201010608217 CN 201010608217 A CN201010608217 A CN 201010608217A CN 102128706 A CN102128706 A CN 102128706A
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Abstract
The invention relates to a device and a method for simulating the leakage test of a combustible refrigerant of a refrigerator. The device comprises a constant-temperature baking oven and a high-precision weightometer, wherein the high-precision weightometer is arranged on the top of the constant-temperature baking oven and connected with a steel bottle hanging bracket through a vertical-hanging guide rope; the steel bottle hanging bracket is arranged in the constant-temperature baking oven; a steel bottle is arranged on the steel bottle hanging bracket; and a valve on the steel bottle is connected with a capillary. The method comprises the following steps of: injecting an enough quantity of combustible refrigerant into the steel bottle; fixing the steel bottle on the steel bottle hanging bracket in the constant-temperature baking oven and connecting the steel bottle and the high-precision weightometer; starting the constant-temperature baking oven to heat to a standard scheduled temperature of 32 to 70+/-1 DEG C and keeping the temperature constant in the whole test process; when the temperature of the baking oven reaches the set temperature, leaking the refrigerant to a position on the inner side of the environment laboratory wall in a laboratory through the capillary, and recording the mass of the high-precision weightometer before the test; and controlling the flow by regulating the valve so that the standard requirement that a scheduled quantity of the refrigerant can be leaked within a scheduled time is met. By the method and the device, the standard requirement can be met, and a test result can be accurate and effective.
Description
Technical field
The present invention relates to a kind of simulated leakage safety detection test unit and detection method that is used to use the products such as refrigerator, ice cream maker and ice machine of alkanes cold-producing medium (as R600a etc.).
Background technology
At present, the refrigerator that uses alkanes cold-producing medium (as R600a etc.) is because efficient power saving, energy-conserving and environment-protective, and produced by more and more enterprises.But this class cold-producing medium has flammable, explosive characteristics.Therefore, must increase the test of simulated leakage for the refrigerator that uses this class cold-producing medium.In GB4706.13 " specific (special) requirements of safe refrigerating appliance, ice cream maker and the ice machine of family expenses and similar applications electrical equipment ", the simulated leakage test there is concrete regulation.And the domestic laboratory that can carry out simulated leakage test seldom.Promptly enable inspection, its implementation is also lack of standardization, can't satisfy the requirement of standard.
At present, most of laboratory realizes that the method for simulated leakage test is: weigh by balance earlier, the flammable cold-producing medium of perfusion standard-required weight in containers such as steel cylinder, then this container is put into thermostatted water or constant temperature oven, in the time of standard code, be discharged into the test position of appointment by kapillary.But this method can't constant maintenance be emitted the temperature of gas, and owing to need there be certain pressure to make have the part cold-producing medium residual in the container, therefore can't accurately control the amount of the cold-producing medium of emitting, thereby produce deviation, influence the accurate and effective of test findings with the requirement of standard.
Summary of the invention
The present invention will provide a kind of refrigerator flammable cold-producing medium simulated leakage test unit and method thereof, solve the technical matters of the simulated leakage safety detection test of products such as refrigerator, ice cream maker and ice machine, satisfy the requirement of among the GB4706.13 " specific (special) requirements of safe refrigerating appliance, ice cream maker and the ice machine of family expenses and similar applications electrical equipment " simulated leakage being tested, guarantee the test findings accurate and effective.
For achieving the above object, technical scheme of the present invention is;
A kind of refrigerator is flammable cold-producing medium simulated leakage test unit, comprise constant temperature oven, the high-precision weighing meter, be characterized in: the high-precision weighing meter is placed in the constant temperature oven top, the high-precision weighing meter connects the steel cylinder suspension bracket by the hanging dragline, the steel cylinder suspension bracket places in the constant temperature oven, settles steel cylinder on the steel cylinder suspension bracket, and the valve on the steel cylinder links to each other with kapillary.
Cold-producing medium simulated leakage test method that a kind of refrigerator is flammable, the steps include: in steel cylinder, to inject the flammable cold-producing medium of capacity, steel cylinder is fixed on the steel cylinder suspension bracket in the constant temperature oven and with the high-precision weighing meter is connected, starting constant temperature oven is heated to the temperature of standard code among 32～70 ℃ ± l ℃ and keeps constant in the test overall process, after oven temperature reaches design temperature, by kapillary with the inboard testing position of the environmental experiment locular wall of freezing medium leakage in the testing laboratory, the quality of record high-precision weighing meter before test, by the control valve Control Flow, to reach the standard-required of emitting the regulation leakage rate at the appointed time.
The flammable refrigerant quality precision that the regulating and controlling valve discharges reaches ± requirement of 0.1g.
The invention has the beneficial effects as follows:
The present invention mainly is made up of constant temperature oven, gas cylinder, high-precision weighing meter, pipe system etc.Flammable cold-producing medium simulated leakage test unit uses the gas cylinder heating arrangement of the constant temperature oven design transformation of the way with steady temperature-raising characteristic, and gas cylinder is placed on the temperature that is heated to standard code among 32～70 ℃ ± l ℃ in the constant temperature oven and keeps constant in the test overall process; The high-precision weighing meter is placed on the baking oven top, adopts the hanging method that the gas cylinder of oven interior is connected with outside balance; The aperture size of control valve in test process reaches the omnidistance weight of controlling gas cylinder.The flammable refrigerant quality precision of sustained release reaches ± requirement of 0.1g.This devices and methods therefor can guarantee the gas temperature conformance with standard requirement of simulated leakage, and the gas flow of emitting also meets the requirements.Flammable cold-producing medium simulated leakage pilot system uses transformation of the way constant temperature oven and the balance mode that combines of weighing to belong to domestic initiation.
The present invention compared with prior art, the present invention satisfies the requirement of standard fully, guarantees the test findings accurate and effective.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, refrigerator of the present invention is flammable cold-producing medium simulated leakage test unit comprises constant temperature oven 3, high-precision weighing meter 2, hanging dragline 1, steel cylinder suspension bracket 9, kapillary 4.
High-precision weighing meter 2 is settled at constant temperature oven 3 tops, and high-precision weighing meter 2 connects steel cylinder suspension bracket 9 by hanging dragline 1, and steel cylinder suspension bracket 9 is placed in the constant temperature oven 3, settles steel cylinder 8 on the steel cylinder suspension bracket 9, and the valve 10 on the steel cylinder 8 links to each other with kapillary 4.Capillary outlet 6 is arranged on environmental experiment locular wall 5 inner sides.
Cold-producing medium simulated leakage test method that refrigerator of the present invention is flammable:
In steel cylinder 8, inject the flammable cold-producing medium of capacity, steel cylinder 8 is fixed on the steel cylinder suspension bracket 9 in the constant temperature oven 3.Start constant temperature oven and be heated to the temperature of standard code among 32～70 ℃ ± l ℃ and keep constant, adjust the baking oven start-stop according to the temperature of temperature point 7 in the test overall process.After oven temperature reaches design temperature, by kapillary 4 with environmental experiment locular wall 5 inner sides of freezing medium leakage in the testing laboratory.The quality of record high-precision weighing meter 2 before test, by control valve 10 Control Flow, the flammable refrigerant quality precision of sustained release reaches ± requirement of 0.1g, to reach the requirement of emitting the regulation leakage rate at the appointed time.
Claims (3)
1. the flammable cold-producing medium simulated leakage of refrigerator test unit, comprise constant temperature oven (3), high-precision weighing meter (2), it is characterized in that: described high-precision weighing meter (2) is placed in constant temperature oven (3) top, high-precision weighing meter (2) connects steel cylinder suspension bracket (9) by hanging dragline (1), steel cylinder suspension bracket (9) places in the constant temperature oven (3), and steel cylinder suspension bracket (9) is gone up and settled steel cylinder (8), and the valve (10) on the steel cylinder (8) links to each other with kapillary (4).
2. the flammable cold-producing medium simulated leakage of refrigerator test method, it is characterized in that, the steps include: in steel cylinder (8), to inject the flammable cold-producing medium of capacity, the steel cylinder suspension bracket (9) that steel cylinder (8) is fixed in the constant temperature oven (3) upward and with the high-precision weighing meter is connected, starting constant temperature oven (3) is heated to the temperature of standard code among 32～70 ℃ ± l ℃ and keeps constant in the test overall process, after oven temperature reaches design temperature, by kapillary (4) with environmental experiment locular wall (6) inner side of freezing medium leakage in the testing laboratory, the quality of record high-precision weighing meter (2) before test, by control valve (10) Control Flow, to reach the standard-required of emitting the regulation leakage rate at the appointed time.
3. the flammable cold-producing medium simulated leakage of refrigerator according to claim 2 test method, it is characterized in that: the flammable refrigerant quality precision that regulating and controlling valve (10) discharges reaches ± requirement of 0.1g, is used for process of the test the quality of the cold-producing medium that discharges is carried out complete monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608217 CN102128706A (en) | 2010-12-28 | 2010-12-28 | Device and method for simulating leakage test of combustible refrigerant of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608217 CN102128706A (en) | 2010-12-28 | 2010-12-28 | Device and method for simulating leakage test of combustible refrigerant of refrigerator |
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| CN102128706A true CN102128706A (en) | 2011-07-20 |
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| CN 201010608217 Pending CN102128706A (en) | 2010-12-28 | 2010-12-28 | Device and method for simulating leakage test of combustible refrigerant of refrigerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116005A (en) * | 2013-03-06 | 2013-05-22 | 杨宗辉 | Device for measuring whether leaked hydrocarbon refrigerant reaches lower-explosive limit or not for home appliances |
| CN104111145A (en) * | 2014-02-20 | 2014-10-22 | 上海出入境检验检疫局机电产品检测技术中心 | Combustible refrigerant leakage simulation device and leakage concentration measuring device |
| CN104849001A (en) * | 2015-06-09 | 2015-08-19 | 国网山东济南市历城区供电公司 | Monitoring alarm device and method for oil leakage of transformer |
| CN109459532A (en) * | 2018-11-21 | 2019-03-12 | 山东省计量科学研究院 | Domestic refrigerator isobutane refrigerant leakage security intelligent test system |
| CN110567645A (en) * | 2019-09-29 | 2019-12-13 | 广州海关技术中心 | Refrigerant simulation leakage test device |
| CN112285452A (en) * | 2020-09-10 | 2021-01-29 | 河北工业大学 | Device and method for measuring low-temperature characteristics of electrical parameters |
| CN112378596A (en) * | 2020-10-20 | 2021-02-19 | 佛山市南海聚腾环保设备有限公司 | Air energy heat pump refrigerant leak detection method and system |
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| CN2049330U (en) * | 1989-02-20 | 1989-12-13 | 山东省曹县人民医院 | Portable multifunction monitor for refrigerator |
| CN1455186A (en) * | 2002-05-01 | 2003-11-12 | 三星电子株式会社 | Air conditioner and method for detecting refrigrant leakage |
| CN201965001U (en) * | 2010-12-28 | 2011-09-07 | 上海出入境检验检疫局机电产品检测技术中心 | Simulated leakage test device for flammable refrigerant of refrigerator |
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2010
- 2010-12-28 CN CN 201010608217 patent/CN102128706A/en active Pending
Patent Citations (3)
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| CN2049330U (en) * | 1989-02-20 | 1989-12-13 | 山东省曹县人民医院 | Portable multifunction monitor for refrigerator |
| CN1455186A (en) * | 2002-05-01 | 2003-11-12 | 三星电子株式会社 | Air conditioner and method for detecting refrigrant leakage |
| CN201965001U (en) * | 2010-12-28 | 2011-09-07 | 上海出入境检验检疫局机电产品检测技术中心 | Simulated leakage test device for flammable refrigerant of refrigerator |
Non-Patent Citations (1)
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| 《家电科技》 20060930 傅培刚等 《采用可燃制冷剂的家用制冷器具模拟泄漏检测方法的研究与应用》 第50页中栏第37-41行，第50页中栏第1-28行，中栏倒数第1-3行，第51页左栏第9-23行,右栏第27-36行、图1，图3 1-3 , * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116005A (en) * | 2013-03-06 | 2013-05-22 | 杨宗辉 | Device for measuring whether leaked hydrocarbon refrigerant reaches lower-explosive limit or not for home appliances |
| CN103116005B (en) * | 2013-03-06 | 2015-11-11 | 杨宗辉 | The release of household electrical appliance hydrocarbon refrigerant and low explosion limits measurement mechanism |
| CN104111145A (en) * | 2014-02-20 | 2014-10-22 | 上海出入境检验检疫局机电产品检测技术中心 | Combustible refrigerant leakage simulation device and leakage concentration measuring device |
| CN104111145B (en) * | 2014-02-20 | 2017-06-23 | 上海出入境检验检疫局机电产品检测技术中心 | Combustible refrigerant reveals apparatus for measuring concentration |
| CN104849001A (en) * | 2015-06-09 | 2015-08-19 | 国网山东济南市历城区供电公司 | Monitoring alarm device and method for oil leakage of transformer |
| CN109459532A (en) * | 2018-11-21 | 2019-03-12 | 山东省计量科学研究院 | Domestic refrigerator isobutane refrigerant leakage security intelligent test system |
| CN109459532B (en) * | 2018-11-21 | 2024-02-06 | 山东省计量科学研究院 | Isobutane refrigerant leakage safety intelligent test system for household refrigeration appliance |
| CN110567645A (en) * | 2019-09-29 | 2019-12-13 | 广州海关技术中心 | Refrigerant simulation leakage test device |
| CN112285452A (en) * | 2020-09-10 | 2021-01-29 | 河北工业大学 | Device and method for measuring low-temperature characteristics of electrical parameters |
| CN112285452B (en) * | 2020-09-10 | 2023-03-03 | 河北工业大学 | Device and method for measuring low-temperature characteristics of electrical parameters |
| CN112378596A (en) * | 2020-10-20 | 2021-02-19 | 佛山市南海聚腾环保设备有限公司 | Air energy heat pump refrigerant leak detection method and system |
| CN112378596B (en) * | 2020-10-20 | 2023-02-03 | 佛山市南海聚腾环保设备有限公司 | Air energy heat pump refrigerant leak detection method and system |
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Application publication date: 20110720 |