CN111430157A - Novel vacuum aging equipment for film capacitor and production process thereof - Google Patents
Novel vacuum aging equipment for film capacitor and production process thereof Download PDFInfo
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- CN111430157A CN111430157A CN202010214400.8A CN202010214400A CN111430157A CN 111430157 A CN111430157 A CN 111430157A CN 202010214400 A CN202010214400 A CN 202010214400A CN 111430157 A CN111430157 A CN 111430157A
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- vacuum
- control system
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- tank
- heating
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- 230000032683 aging Effects 0.000 title claims abstract description 46
- 239000003990 capacitor Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses novel vacuum aging equipment for a film capacitor and a production process thereof, and the vacuum aging equipment comprises a vacuum tank, a filtering system, a heating system, a vacuum system, a compressed air system, a control system and a monitoring system, wherein the effective volume of the vacuum tank is 1520 × 1820 × 1650mm, the no-load cold state vacuum of the vacuum tank is less than or equal to 10pa, the leakage rate of the vacuum tank is less than or equal to 13.3pa.l/s, the filtering system comprises a filter, one end of the filter is connected with the vacuum tank, and the heating system comprises a heating device and a circulating fan.
Description
Technical Field
The invention relates to the technical field of vacuum aging of capacitors, in particular to novel vacuum aging equipment for a thin-film capacitor and a production process thereof.
Background
The metallized film capacitor is mainly used for aging treatment of a vehicle-mounted capacitor of a new energy automobile, the aging is only carried out by using an oven before, the performance and the yield of the treated product are not high due to the presence of oxygen and water vapor in the air, and the capacitor aged by using the oven cannot be installed on the new energy automobile due to the high requirements of the new energy automobile on components, so that great inconvenience is brought to a user, and the old vacuum aging equipment has long process time and high energy consumption. Therefore, the novel vacuum aging equipment for the film capacitor and the production process thereof are provided, the time can be shortened by about 40-60%, and the energy consumption is reduced by about 20-40%.
Disclosure of Invention
The invention aims to provide novel vacuum aging equipment for a film capacitor and a production process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme that the novel vacuum aging equipment for the film capacitor comprises a vacuum tank, a filtering system, a heating system, a vacuum system, a compressed air system, a control system and a monitoring system, wherein the effective volume of the vacuum tank is 1520 × 1820 × 1650mm, the idle cold state vacuum of the vacuum tank is less than or equal to 10Pa, the leakage rate of the vacuum tank is less than or equal to 13.3Pa.l/s, the filtering system comprises a filter, one end of the filter is connected with the vacuum tank, the heating system comprises a heating device and a circulating fan, the heating device is installed in the vacuum, the heating device comprises 16 paths, each path is independently controlled, the highest heating temperature of the heating device is 135 ℃, the temperature control precision of the heating device is +/-2.5 ℃, the vacuum system comprises a vacuum unit, the vacuum unit is connected with the vacuum tank, the idle limit of the vacuum unit is less than 5Pa, the compressed air system is connected with the vacuum tank, the compressed air system comprises a pneumatic triplet, a pressure gauge, a two-position five-way vacuum display and a vacuum tank, the control system is installed on the outer side of the vacuum tank, the touch control system comprises a touch control software L, and an integrated monitoring control cabinet, and an integrated monitoring system is installed on the integrated control cabinet, and an integrated monitoring system is installed on the integrated control cabinet.
Preferably, the temperature of the heating system is automatically controlled by a platinum resistor matched with an AI intelligent temperature control meter, the heating system has an overtemperature alarm function, the heating devices are independently controlled, and six-point temperature detection in the tank is additionally arranged.
Preferably, an emergency stop button, a power supply start button, a power supply stop button, a system start button, a system stop button and an alarm reset button are mounted on the integrated electric control cabinet.
Preferably, the indicator lights include a main power indicator light and a control power indicator light.
Preferably, various process parameters such as vacuum degree, temperature and the like can be displayed on the touch screen.
Preferably, the vacuum system controls the vacuum pump unit to automatically start, and is additionally provided with an evacuation valve, an inflation valve and an inflation valve for control.
Preferably, the pump valve in the vacuum system has an interlocking protection function and an under-voltage automatic protection function.
A novel vacuum aging production process of a film capacitor comprises the following steps:
s1 is started: putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen, wherein the heating is not stopped in the whole working process;
s2 heat preservation: when the temperature of all points detected in the tank reaches the requirement, namely 105 ℃, preserving the heat for 30-60 min;
s3, vacuumizing: then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process;
s4 aging: timing when the vacuum degree in the vacuum tank reaches 1-0.1Torr and the pressure is below 133-13.3 Pa, starting the vacuum aging process, and aging is completed after 6-10 h.
Compared with the prior art, the invention has the beneficial effects that: the invention is mainly applied to the aging process treatment of electronic products such as capacitors and the like in a vacuum state, the equipment adopts a modular structure, the layout is reasonable, the structure is compact, the heating is controlled by an intelligent instrument, the temperature control precision is high, and an upper computer adopts touch screen control and data recording, so that the operation and the observation are very convenient and visual.
Drawings
FIG. 1 is a block diagram of a vacuum aging apparatus according to the present invention;
FIG. 2 is a flow chart of the vacuum aging process for thin film capacitors of the present invention.
In the figure: the system comprises a vacuum tank 1, a filtering system 2, a heating system 3, a vacuum system 4, a compressed air system 5, a control system 6 and a monitoring system 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention provides a technical scheme that the novel vacuum aging equipment for the thin-film capacitor comprises a vacuum tank 1, a filtering system 2, a heating system 3, a vacuum system 4, a compressed air system 5, a control system 6 and a monitoring system 7, wherein the effective volume of the vacuum tank 1 is 1520 × × mm, the no-load cold state vacuum of the vacuum tank 1 is less than or equal to 10Pa, the leakage rate of the vacuum tank is less than or equal to 13.3pa.l/s, the filtering system 2 comprises a filter, one end of the filter is connected with the vacuum tank 1, the heating system 3 comprises a heating device and a circulating fan, the heating device is arranged in the vacuum, the heating device comprises 16 paths, each path is independently controlled, the maximum heating temperature of the heating device is 135 ℃, the temperature control precision of the heating device is +/-2.5 ℃, the vacuum system 4 comprises a vacuum unit, the vacuum unit is connected with the vacuum tank 1, the no-load limit of the vacuum unit is less than 5Pa, the compressed air system 5 is connected with the vacuum tank 1, the compressed air system 5 comprises a pneumatic display, a three-way valve, a pressure gauge, a five-way vacuum control unit, a five-way control system, a touch control cabinet, an integrated control system, an integrated monitoring system, an integrated control system, an integrated temperature control cabinet, an integrated control system, an integrated.
Specifically, the temperature of the heating system 3 is automatically controlled by a platinum resistor matched with an AI intelligent temperature control meter, the automatic temperature control system has an overtemperature alarm function, the heating devices are independently controlled, and six-point temperature detection in a tank is additionally arranged.
Specifically, an emergency stop button, a power supply start button, a power supply stop button, a system start button, a system stop button and an alarm reset button are arranged on the integrated electric control cabinet.
Specifically, the indicator lights include a main power indicator light and a control power indicator light.
Specifically, various process parameters such as vacuum degree, temperature and the like can be displayed on the touch screen.
Specifically, the vacuum system 4 controls the automatic start of the vacuum pump unit and is additionally provided with an evacuation valve, an inflation valve and an inflation valve for control.
Specifically, the pump valve in the vacuum system 4 has an interlocking protection function and an under-voltage automatic protection function.
A novel vacuum aging production process of a film capacitor comprises the following steps:
s1 is started: putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen, wherein the heating is not stopped in the whole working process;
s2 heat preservation: when the temperature of all points detected in the tank reaches the requirement, namely 105 ℃, preserving the heat for 30-60 min;
s3, vacuumizing: then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process;
s4 aging: timing when the vacuum degree in the vacuum tank reaches 1-0.1Torr and the pressure is below 133-13.3 Pa, starting the vacuum aging process, and aging is completed after 6-10 h.
Example 1
Putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen; when the detected temperature of all the pads reaches the requirement, namely 105 ℃, and then preserving the heat for 30 min; then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process; and when the vacuum degree in the vacuum tank reaches 1Torr and the pressure is 133Pa, timing, starting a vacuum aging process, and after 6 hours, finishing aging.
Example 2
Putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen; when the detected temperature of all the pads reaches the requirement, namely 105 ℃, and then preserving the heat for 45 min; then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process; and when the vacuum degree in the vacuum tank reaches 0.5Torr and the pressure is 50Pa, timing, starting the vacuum aging process, and after 8 hours, finishing the aging.
Example 3
Putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen; when the detected temperature of all the pads reaches the requirement, namely 105 ℃, and then preserving the heat for 60 min; then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process; when the vacuum degree in the vacuum tank reaches 0.1Torr and the pressure is 13.3Pa, timing is carried out, the vacuum aging process is started, and after 10 hours, the aging is finished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The novel vacuum aging equipment for the film capacitor comprises a vacuum tank (1), a filtering system (2), a heating system (3), a vacuum system (4), a compressed air system (5), a control system (6) and a monitoring system (7), and is characterized in that the effective volume of the vacuum tank (1) is 1520 × 1820 × mm, the no-load cold state vacuum of the vacuum tank (1) is less than or equal to 10Pa, the leakage rate of the vacuum tank (1) is less than or equal to 13.3Pa.l/s, the filtering system (2) comprises a filter, one end of the filter is connected with the vacuum tank (1), the heating system (3) comprises a heating device and a circulating fan, the heating device is installed in the vacuum, the heating device comprises 16 paths, each path is independently controlled, the highest heating temperature of the heating device is 135 ℃, the temperature control precision of the heating device is +/-2.5 ℃, the vacuum system (4) comprises a vacuum unit, the vacuum unit is connected with the vacuum tank (1), the vacuum unit is less than 5, the limit temperature display unit of the vacuum unit is less than 5, the air control system is connected with an electric control system (5), the touch control system is installed on the vacuum tank (5), the integrated control system, the touch control system comprises a touch control system (3) and a touch control system (5), the integrated control system, a touch control system (5) and a touch control system (5), the integrated control system (5) is installed on the integrated control cabinet, a touch control system (3) and a touch control cabinet (3) and a touch control system, a control cabinet, a touch control cabinet, a.
2. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: the temperature of the heating system (3) is automatically controlled by a platinum resistor matched with an AI intelligent temperature control meter, the heating system has an overtemperature alarm function, the heating devices are independently controlled, and six-point temperature detection in the tank is additionally arranged.
3. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: an emergency stop button, a power supply start button, a power supply shutdown button, a system start button, a system stop button and an alarm reset button are mounted on the integrated electric control cabinet.
4. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: the indicator lights include a mains power indicator light and a control power indicator light.
5. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: and various process parameters such as vacuum degree, temperature and the like can be displayed on the touch screen.
6. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: the vacuum system (4) controls the automatic start of the vacuum pump unit and is additionally provided with an evacuation valve, an inflation valve and an inflation valve for control.
7. The novel vacuum aging equipment and the production process of the film capacitor as claimed in claim 1, wherein the vacuum aging equipment is characterized in that: and a pump valve in the vacuum system (4) has an interlocking protection function and an under-voltage automatic protection function.
8. A novel production process for vacuum aging of film capacitors as claimed in claims 1to 7, characterized in that: the method comprises the following steps:
s1 is started: putting the product into a vacuum tank, starting a heating device and a circulating fan to heat the product, or pumping out air in the vacuum tank and filling dry air or nitrogen, wherein the heating is not stopped in the whole working process;
s2 heat preservation: when the temperature of all points detected in the tank reaches the requirement, namely 105 ℃, preserving the heat for 30-60 min;
s3, vacuumizing: then vacuumizing, and closing hot air circulation when the vacuum degree reaches 5000Pa in the vacuumizing process;
s4 aging: timing when the vacuum degree in the vacuum tank reaches 1-0.1Torr and the pressure is below 133-13.3 Pa, starting the vacuum aging process, and aging is completed after 6-10 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214400.8A CN111430157A (en) | 2020-03-24 | 2020-03-24 | Novel vacuum aging equipment for film capacitor and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214400.8A CN111430157A (en) | 2020-03-24 | 2020-03-24 | Novel vacuum aging equipment for film capacitor and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111430157A true CN111430157A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214400.8A Pending CN111430157A (en) | 2020-03-24 | 2020-03-24 | Novel vacuum aging equipment for film capacitor and production process thereof |
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| CN (1) | CN111430157A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067370A (en) * | 2020-09-11 | 2020-12-11 | 上海朋环测控技术股份有限公司 | Adsorption tube aging instrument and method |
| CN113643898A (en) * | 2021-10-15 | 2021-11-12 | 成都宏明电子股份有限公司 | Vacuum heat treatment method for thin film capacitor core |
| CN112067370B (en) * | 2020-09-11 | 2024-05-10 | 上海朋环测控技术股份有限公司 | Adsorption tube aging instrument and method |
-
2020
- 2020-03-24 CN CN202010214400.8A patent/CN111430157A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067370A (en) * | 2020-09-11 | 2020-12-11 | 上海朋环测控技术股份有限公司 | Adsorption tube aging instrument and method |
| CN112067370B (en) * | 2020-09-11 | 2024-05-10 | 上海朋环测控技术股份有限公司 | Adsorption tube aging instrument and method |
| CN113643898A (en) * | 2021-10-15 | 2021-11-12 | 成都宏明电子股份有限公司 | Vacuum heat treatment method for thin film capacitor core |
| CN113643898B (en) * | 2021-10-15 | 2022-01-14 | 成都宏明电子股份有限公司 | Vacuum heat treatment method for thin film capacitor core |
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