CN110756504A - Method for cleaning thermosensitive switch - Google Patents
Method for cleaning thermosensitive switch Download PDFInfo
- Publication number
- CN110756504A CN110756504A CN201911046480.4A CN201911046480A CN110756504A CN 110756504 A CN110756504 A CN 110756504A CN 201911046480 A CN201911046480 A CN 201911046480A CN 110756504 A CN110756504 A CN 110756504A
- Authority
- CN
- China
- Prior art keywords
- thermal switch
- cleaning
- hydrocarbon
- switch
- steam
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/007—Heating the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
Abstract
The invention discloses a method for cleaning oil stains on the surface of a thermal switch, which comprises the following steps: soaking: soaking the thermal switch by using a hydrocarbon cleaning solution as a degreasing agent; and (3) cooling: rapidly cooling the soaked thermosensitive switch; a steam cleaning step: and (3) quickly suspending the cooled thermal switch in a sealed container with hydrocarbon steam, so that the hot hydrocarbon steam touches the cold thermal switch to be quickly condensed to form pure hydrocarbon liquid to wash the surface of the thermal switch, removing residual oil stains on the surface of the thermal switch until the temperature of the thermal switch is continuously increased to reach the same temperature as the hydrocarbon steam, so that the condensation site does not occur any more, and the cleaning process is finished. The invention has simple operation and convenient implementation, thoroughly removes the oil stain on the surface of the thermal switch and ensures the requirements of the welding strength and the resistance value performance of the thermal switch.
Description
Technical Field
The invention relates to a cleaning method of a product, in particular to a cleaning method of a thermal switch.
Background
The thermal switch comprises a shell with an opening at the bottom, a bottom plate welded at the bottom of the shell, a bimetallic strip and other components arranged in a sealed cavity formed by the shell and the bottom plate, and a plurality of binding posts are arranged on the bottom plate. After the thermal switch is electrified through the wiring terminal, the bimetallic strip can generate heat in direct proportion to the self resistance value, the bimetallic strip is impacted by the heat, and when the overcurrent and overheat happens, the bimetallic strip turns over to achieve the effect of disconnecting the power supply. The thermal switch is usually installed in the interior of an electrical device such as a compressor, and when the electrical device is overheated due to overcurrent, the power supply is automatically cut off through the thermal switch, so that the electrical device is prevented from being burnt and protected.
The method is characterized in that the thermal switch is placed in silicon oil and the silicon oil is heated to enable the temperature of the silicon oil to rise and reach the set temperature of the thermal switch, and whether the over-temperature characteristic of the thermal switch is qualified or not is judged by testing whether the thermal switch is in open circuit protection at the temperature. After the temperature is screened by the silicone oil tank, the silicone oil can be adhered to the surface of the thermal switch, and the welding strength and the resistance value performance of the thermal switch are influenced, so that a cleaning method capable of removing oil stains on the surface of the thermal switch is urgently needed to ensure the requirements of the welding strength and the resistance value performance of the thermal switch.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for cleaning a thermal switch, which is not only simple and convenient to operate and convenient to implement, but also can thoroughly remove oil stains on the surface of the thermal switch.
In order to solve the technical problem, the invention adopts the method for cleaning the oil stain on the surface of the thermal switch, which comprises the following steps:
soaking: soaking the thermal switch by using a hydrocarbon cleaning solution as a degreasing agent;
and (3) cooling: rapidly cooling the soaked thermosensitive switch;
a steam cleaning step: and (3) quickly suspending the cooled thermal switch in a sealed container with hydrocarbon steam, so that the hot hydrocarbon steam touches the cooled thermal switch to be quickly condensed to form pure hydrocarbon liquid to wash the surface of the thermal switch, removing residual oil stains on the surface of the thermal switch until the temperature of the thermal switch is continuously increased to reach the same temperature as the hydrocarbon steam, so that the condensation site does not occur any more, and the cleaning process is finished.
In a preferred embodiment of the present invention, in the soaking step, the thermal switch is soaked in the hydrocarbon cleaning solution for 5 to 10 minutes.
In a preferred embodiment of the present invention, in the cooling step, the soaked thermal switch is placed in a refrigerated cabinet at-5 ℃ to-10 ℃ for rapid cooling for more than 5 minutes.
In a preferred embodiment of the present invention, in the steam cleaning step, the sealed container includes a box body and a sealed cover plate, a hydrocarbon cleaning liquid and an electric heating pipe are disposed at a lower portion of the box body, the electric heating pipe is immersed in the hydrocarbon cleaning liquid, a grid frame is suspended on the sealed cover plate, the grid frame is located above the hydrocarbon cleaning liquid, and a thermal switch is disposed in the grid frame.
In a preferred embodiment of the present invention, in the steam cleaning step, an electrically heated steam generator is disposed in the sealed container, a hydrocarbon cleaning solution is added into the electrically heated steam generator, and the hydrocarbon cleaning solution is boiled by electrical heating to form hydrocarbon steam and is filled in the sealed container.
After the method is adopted, the invention has the following beneficial effects:
the cleaning method can thoroughly remove the oil stains on the surface of the thermal switch, and is simple and convenient to operate and convenient to implement.
The soaked thermal switch is placed in a refrigerated cabinet at the temperature of minus 5 ℃ to minus 10 ℃ for rapid cooling for more than 5 minutes, so that the thermal switch can be cleaned more thoroughly in the steam cleaning step, and the cleaning effect is better.
The cleaning agent adopts the hydrocarbon cleaning solution which is not only harmless to human body and has little influence on environment, but also has strong permeability and cleaning power and good cleaning effect.
The thermal switch cleaned by the cleaning method can ensure the welding strength and resistance performance requirements of the thermal switch, and improve the product quality and competitiveness.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of a structure of a thermal switch according to the present invention.
Fig. 2 is a schematic view of a sealed container according to the present invention.
Detailed Description
In order to thoroughly remove oil stains on the surface of the thermal switch A, the invention adopts the thermal switch cleaning method which comprises the following steps:
soaking: soaking the thermal switch A by using a hydrocarbon cleaning solution as a degreasing agent;
and (3) cooling: rapidly cooling the soaked thermosensitive switch A;
a steam cleaning step: and (3) quickly suspending the cooled thermosensitive switch A in a sealed container with hydrocarbon steam, so that the hot hydrocarbon steam touches the cooled thermosensitive switch A to be quickly condensed to form pure hydrocarbon liquid to wash the surface of the thermosensitive switch A, removing residual oil stains on the surface of the thermosensitive switch A until the temperature of the thermosensitive switch A is continuously increased to reach the same temperature as the hydrocarbon steam, so that the condensation site does not occur any more, and the cleaning process is finished.
In a preferred embodiment of the present invention, in the soaking step, the thermal switch a is soaked in the hydrocarbon cleaning solution for 5 to 10 minutes, preferably at normal temperature, although the soaking time may exceed 10 minutes, or even longer.
In a preferred embodiment of the present invention, the temperature of the thermal switch a is rapidly lowered to 0 ℃ by rapidly cooling the soaked thermal switch a in the cooling step for 5 minutes or more in a refrigerator at-5 ℃ to-10 ℃, which is more effective.
As a preferred embodiment of the present invention, as shown in fig. 2, in the steam cleaning step, the sealed container includes a box body 1 and a sealed cover plate 2, a hydrocarbon cleaning liquid 3 and an electric heating pipe 4 are arranged at a lower portion of the box body 1, the electric heating pipe 4 is immersed in the hydrocarbon cleaning liquid 3, a grid frame 5 is suspended on the sealed cover plate 2, the grid frame 5 is located above the hydrocarbon cleaning liquid 3, and a thermal switch a is placed in the grid frame 5. When the cleaning device works, the electric heating pipe 4 is electrified to heat the hydrocarbon cleaning liquid 3, so that the hydrocarbon cleaning liquid 3 is boiled to generate hydrocarbon steam, and the thermosensitive switch A cooled in the grid frame 5 is thoroughly cleaned.
In another preferred embodiment of the present invention, in the steam cleaning step, a commercially available electrically heated steam generator, not shown, is disposed in the sealed container, and a hydrocarbon cleaning solution is added into the electrically heated steam generator, and is boiled by electrical heating to generate hydrocarbon steam, and the hydrocarbon steam is filled in the sealed container.
In the steam cleaning step of the present invention, an air pipe may be installed on the sealed container, one end of the air pipe is communicated with the chamber of the sealed container, and the other end is communicated with a source of hydrocarbon vapor, not shown in the figure, so that the heat sensitive switch a cooled in the sealed container may be thoroughly cleaned.
The cleaning method has the advantages that the oil stain removing efficiency of the thermal switch is high, the oil stain residue on the surface of the thermal switch is extremely small or even no residue, the requirements on the welding strength and the resistance value performance of the thermal switch are met, and a good effect is achieved.
Claims (5)
1. A cleaning method of a thermal switch is used for cleaning oil stains on the surface of the thermal switch (A), and is characterized by comprising the following steps:
soaking: soaking the thermal switch (A) by using a hydrocarbon cleaning solution as a degreasing agent;
and (3) cooling: rapidly cooling the soaked thermosensitive switch (A);
a steam cleaning step: and (3) quickly suspending the cooled thermosensitive switch (A) in a sealed container with hydrocarbon steam, so that the hot hydrocarbon steam touches the cooled thermosensitive switch (A) to be quickly condensed to form pure hydrocarbon liquid to wash the surface of the thermosensitive switch (A), removing residual oil stains on the surface of the thermosensitive switch (A) until the temperature of the thermosensitive switch (A) is continuously increased to reach the same temperature as the hydrocarbon steam, so that the condensation site does not occur any more, and finishing the cleaning process.
2. A method for cleaning a thermal switch according to claim 1, wherein: in the soaking step, the thermal switch (A) is soaked in a hydrocarbon cleaning solution for 5-10 minutes.
3. A method for cleaning a thermal switch according to claim 1, wherein: in the cooling step, the soaked thermal switch (A) is placed in a refrigerated cabinet with the temperature of minus 5 ℃ to minus 10 ℃ for rapid cooling for more than 5 minutes.
4. The thermal switch cleaning method according to claim 1, 2 or 3, characterized in that: in the steam cleaning step, the sealed container comprises a box body (1) and a sealed cover plate (2), a hydrocarbon cleaning liquid (3) and an electric heating pipe (4) are arranged on the lower portion of the box body (1), the electric heating pipe (4) is immersed in the hydrocarbon cleaning liquid (3), a grid frame (5) is hung on the sealed cover plate (2), the grid frame (5) is located above the hydrocarbon cleaning liquid (3), and a thermosensitive switch (A) is placed in the grid frame (5).
5. The thermal switch cleaning method according to claim 1, 2 or 3, characterized in that: in the steam cleaning step, an electric heating steam generator is arranged in the sealed container, a hydrocarbon cleaning solution is added into the electric heating steam generator, the hydrocarbon cleaning solution is boiled by electric heating to form hydrocarbon steam, and the hydrocarbon steam is filled in the sealed container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046480.4A CN110756504A (en) | 2019-10-30 | 2019-10-30 | Method for cleaning thermosensitive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046480.4A CN110756504A (en) | 2019-10-30 | 2019-10-30 | Method for cleaning thermosensitive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756504A true CN110756504A (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911046480.4A Pending CN110756504A (en) | 2019-10-30 | 2019-10-30 | Method for cleaning thermosensitive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110756504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857138A (en) * | 2021-09-09 | 2021-12-31 | 沈阳斯米贸易有限公司 | Cleaning method for clamp of welding robot |
| CN115401004A (en) * | 2021-05-27 | 2022-11-29 | 中国石油天然气股份有限公司 | Movable thermal steaming vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223606A (en) * | 1996-04-24 | 1999-07-21 | 梅斯T·米亚萨基 | Method and apparatus for cleaning the intrior of tanks and other objects |
| WO2012077254A1 (en) * | 2010-12-07 | 2012-06-14 | ジャパン・フィールド株式会社 | Steam cleaning device for article being cleaned |
| CN103272797A (en) * | 2013-05-31 | 2013-09-04 | 陈春 | Method and device for cleaning workpieces |
| CN106111618A (en) * | 2016-06-27 | 2016-11-16 | 江苏金泰科精密科技有限公司 | Fully-automatic supersonic Ni-based conductor material clean machine |
| CN108856116A (en) * | 2018-07-13 | 2018-11-23 | 深圳市鑫承诺环保产业股份有限公司 | A kind of anhydrous cleaning method of precision cutting tool |
-
2019
- 2019-10-30 CN CN201911046480.4A patent/CN110756504A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223606A (en) * | 1996-04-24 | 1999-07-21 | 梅斯T·米亚萨基 | Method and apparatus for cleaning the intrior of tanks and other objects |
| WO2012077254A1 (en) * | 2010-12-07 | 2012-06-14 | ジャパン・フィールド株式会社 | Steam cleaning device for article being cleaned |
| CN103272797A (en) * | 2013-05-31 | 2013-09-04 | 陈春 | Method and device for cleaning workpieces |
| CN106111618A (en) * | 2016-06-27 | 2016-11-16 | 江苏金泰科精密科技有限公司 | Fully-automatic supersonic Ni-based conductor material clean machine |
| CN108856116A (en) * | 2018-07-13 | 2018-11-23 | 深圳市鑫承诺环保产业股份有限公司 | A kind of anhydrous cleaning method of precision cutting tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401004A (en) * | 2021-05-27 | 2022-11-29 | 中国石油天然气股份有限公司 | Movable thermal steaming vehicle |
| CN113857138A (en) * | 2021-09-09 | 2021-12-31 | 沈阳斯米贸易有限公司 | Cleaning method for clamp of welding robot |
| CN113857138B (en) * | 2021-09-09 | 2022-06-28 | 沈阳斯米贸易有限公司 | Cleaning method for clamp of welding robot |
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Application publication date: 20200207 |