CN110712033B - Production process of PTC heating assembly - Google Patents
Production process of PTC heating assembly Download PDFInfo
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- CN110712033B CN110712033B CN201910853731.3A CN201910853731A CN110712033B CN 110712033 B CN110712033 B CN 110712033B CN 201910853731 A CN201910853731 A CN 201910853731A CN 110712033 B CN110712033 B CN 110712033B
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- heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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Abstract
The invention discloses a production process of a PTC heating assembly, which belongs to the field of designing the PTC heating assembly and comprises seven steps of laser coding and dispensing, insert block and press mounting, packaging, primary detection, cover plate installation, control box installation and secondary detection.
Description
Technical Field
The invention relates to the field of PTC heating assemblies, in particular to a production process of a PTC heating assembly.
Background
New energy automobile often all needs extra heating, and the heating mode that new energy automobile used most at present is PTC heating, and current PTC pad heating, the process is comparatively complicated, can not accomplish the target demand in the aspect of waterproof, and water heating PTC then can be perfect waterproof, more safe and reliable, and is stable high-efficient.
The electric automobile adopts pure electric mode to work, therefore in order to guarantee not losing too much electric energy, PTC heating device need have very high work efficiency, and traditional water heating PTC often is fairly simple, and production technology is coarse, is difficult to all carry out withstand voltage and gas tightness to every product and detects, and degree of automation is low.
Disclosure of Invention
The invention aims to provide a production process of a PTC heating assembly, wherein all steps are carried out through a production line, the production line is arranged to carry out production line production on the product, the product comprises a large number of parts, glue is continuously distributed and fastened in a layer-by-layer progressive assembly mode, all the parts are assembled into a finished product, and multiple tests are carried out.
A production process of a PTC heating assembly comprises the following steps:
the method comprises the following steps: laser coding and dispensing
Firstly, carrying out laser coding operation on the heating aluminum seat 1, and then carrying out glue dispensing on the heating bag slot 10 in the heating aluminum seat 1 after the coding operation is finished;
step two: insert and press fitting
The heating bag 4 is plugged into the heating bag groove 10 and embedded with the insert, and then the heating bag 4 and the insert are pressed and mounted into the heating bag groove 10;
step three: package with a metal layer
A sealing ring is plugged into a sealing groove of the heating aluminum seat 1, then the heating water chamber 2 is covered, the heating aluminum seat 1 and the heating water chamber 2 are fastened together, and then the glue is dispensed at the upper end of the heating bag 4;
step four: one time detection
Carrying out safety detection on the semi-finished product to ensure that the insulation pressure resistance reaches the standard, and then carrying out air tightness detection to ensure that the air tightness reaches the standard;
step five: cover plate mounting
Firstly, mounting a fixed plate, fixing the fixed plate with the heating aluminum base 1, connecting the fixed plate with an electrode plate of the heating bag 4, mounting an aluminum base cover plate, sealing the cover plate with glue, and sealing the upper end of the heating aluminum base 1;
step six: control box 3 mounting
Firstly, mounting a control box 3 on a heating aluminum seat 1, then carrying out wire harness welding, connecting a wire harness with the head of an electrode plate, then mounting a control plate, fastening the control plate in the control box 3, then carrying out glue dispensing on the control box 3, then pressing a control box cover plate, sealing a box manufacturing cover plate, and finally mounting an equipotential bolt;
step seven: second order detection
And (4) carrying out insulation and voltage resistance detection on the product again, then carrying out air tightness detection again, installing a support after the product reaches the standard, and finally carrying out code printing detection.
Preferably, in the second step, the heating bag 4 is inserted into the heating bag groove 10, and the insert is inserted through manual operation, and then through the insert press-fitting station 030, press-fitting is performed.
Preferably, before the heating bag 4 is embedded into the heating bag groove 10, the heating bag 4 is wrapped by the insulating heat-conducting film, then the heating bag 4 is sleeved by the clamping plate and then placed into the heating bag groove 10, and finally the insert is inserted into a gap between the clamping plate and the inner wall of the heating bag groove 10 to fix the heating bag 4.
Preferably, in the fourth step, safety detection needs to ensure that the insulation resistance is more than or equal to 100 MOmega, the DC1000V and 60S withstand voltage and the AC2000V and 60S leakage current is less than or equal to 5 mA; and setting leakage amount during air tightness detection, pressurizing the air tightness from 30Pa to 0.3MPa, and detecting the air tightness.
Preferably, in the fifth step, a connection loop is arranged on the fixing plate, the connection loop is connected with an electrode plate of the heating bag 4, and a pin is led out of the loop and is arranged outside the heating aluminum base 1.
Preferably, in the seventh step, besides the insulation and the air tightness, an operator is required to manually perform code printing detection, check the pasting position, check whether the shell is damaged or not, and dispense the glue to form break points or not.
The invention has the advantages that: all the steps are carried out through a production line, the production line is arranged to carry out production line production on products, the products contain a large number of parts, glue is continuously distributed and fastened through a layer-by-layer progressive assembling mode, all the parts are assembled into finished products, multiple detection is carried out, the quality of the finished products is high, the product effect is good, machines are used for replacing manpower in a large amount, and the production efficiency is high.
Drawings
FIG. 1 is a schematic front view of a production line according to the present invention;
FIG. 2 is a schematic rear view of a production line of the present invention;
FIG. 3 is a schematic view of the final product of the present invention;
FIG. 4 is a schematic view of a heating aluminum seat structure in the device of the present invention;
FIG. 5 is a schematic view of a heating pack in the apparatus of the present invention;
FIG. 6 is a process flow diagram of the present invention;
the device comprises a heating aluminum seat 1, a heating aluminum seat 10, a heating bag groove 2, a heating water chamber 3, a control box 4, a heating bag 010, a code printing and glue dispensing station 020, an insert mounting station 030, an insert press-mounting station 040, a water chamber and aluminum seat fastening station 050, an insert glue dispensing station 060, a safety detection station 070, an air tightness detection station 080, a fixing plate mounting station 090, an aluminum seat upper cover press-mounting station 100, an aluminum seat upper cover glue sealing station 110, a control box fastening station 120, a wire harness welding station 130, a control plate fastening station 140, a welding spot glue dispensing station 150, a control box cover plate press-mounting station 160, a control box cover plate glue sealing station 170, an equipotential bolt mounting station 180, an insulation pressure-resistant detection station 190, an air tightness final detection station 200, a support mounting station 210 and a final detection station.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, a process for producing a PTC heating assembly includes the steps of:
the method comprises the following steps: heating aluminium seat 1 flows to beating sign indicating number point and glues station 010, position sensing can detect the product carrier and has target in place, control cabinet send instruction, let the jacking electric cylinder jack up the product carrier and fix, position direct locking like this, the accuracy of position degree has been guaranteed, then the control cabinet sends the order, carry out laser to heating aluminium seat 1 and beat the sign indicating number operation, beat sign indicating number completion back point gum machine and construct the beginning point and glue, because the position has been died by the end, so the precision of point is controlled completely, it also can control very accurate to glue the volume.
Step two: then the heating aluminum seat 1 flows to an insert mounting station 020, the console sends an instruction to enable the jacking electric cylinder to jack and fix the product carrier, before the heating bag 4 is plugged into the heating bag groove 10, a worker wraps the heating bag 4 with an insulating heat-conducting film, then the heating bag 4 is sleeved with a clamping plate and then placed into the heating bag groove 10, finally the insert is plugged into a gap between the clamping plate and the inner wall of the heating bag groove 10, the heating bag 4 is fixed, and before the insert is plugged, the insert is coated with heat-conducting silicone grease;
then heating aluminium seat 1 flows to insert pressure equipment station 030 and fixes the product carrier, and the arm will heat aluminium seat 1 and shift to the pressure equipment platform, and pressure equipment mechanism begins work, will heat in package 4 and insert pressure equipment in hot packet groove 10, will heat aluminium seat 1 again after the pressure equipment is accomplished and snatch the original place, because the position has been died by the settlement, so the precision of pressure equipment is controlled completely, and the dynamics of pressure equipment also can be controlled very accurately.
Step three: then the heating aluminum seat 1 flows to a water chamber and aluminum seat fastening station 040 and fixes a product carrier, then the heating aluminum seat 1 is turned over by 180 degrees, a sealing ring is plugged into a sealing groove of the heating aluminum seat 1, then the heating water chamber 2 is covered, a fastening mechanism is started, the fastening mechanism automatically locks a bolt, the heating aluminum seat 1 and the heating water chamber 2 are fastened together, and then the product is turned over to the heating water chamber 2 downwards;
then the product flows to insert dispensing station 050 and fixes the product carrier, the dispenser is started, and the dispenser automatically dispenses above the insert (the upper end of the heating bag 4).
Step four: then the product flows to a safety standard detection station 060 and fixes a product carrier, a test piece must be placed in an environment with the temperature of 23 +/-3K for 8 hours, an operator tests between the electrified part of the product and an insulating shell respectively, the insulation resistance is more than or equal to 100 MOmega, DC1000,60S are insulated and withstand voltage, AC2000,60S, and the leakage current is less than or equal to 5mA, and the test piece passes the detection;
then the product flows to the air tightness detection station 070 and fixes the product carrier, an operator connects the workpiece with the air tightness test instrument, and props the water inlet and the water outlet by the clamp head, the leakage amount is set, the pressure is increased from 30Pa to 0.3MPa, the air tightness is detected, and if the air tightness is in accordance with the setting requirement after the test, the detection is passed.
Step five: then the product flows to a fixing plate mounting station 080 and fixes the product carrier, and the insulating rubber sheet is assembled on the circuit board according to the hole position to form a fixing plate, and the circuit board is connected with the electrode plates of the heating bag 4 during mounting;
then the product flows to an aluminum seat upper cover press-mounting station 090 and fixes a product carrier, the mechanical arm grabs the aluminum seat cover plate onto the product, the press-mounting mechanism presses the cover plate into the heating aluminum seat 1, and the upper surface of the cover plate is ensured to be flush with the heating aluminum seat 1;
then the product flows to the aluminum seat upper cover sealing station 100 and fixes the product carrier, and the dispenser seals along the path to complete the work of the aluminum seat upper cover sealing.
Step six: then, the product flows to a control box fastening station 110 and fixes a product carrier, then an operator starts to manually fasten the control box, three screws to be fastened are arranged, and the control box is fastened on the heating aluminum seat 1 after being screwed;
then the product flows to the wire harness welding station 120 and fixes the product carrier, and then an operator starts to manually perform wire harness welding work to weld the wire harness and the circuit board pins of the fixing plate together;
then the product flows to the control panel fastening station 130 and fixes the product carrier, and then the operator starts to manually perform the control panel fastening work to fasten the control panel in the control box 3;
then the product flows to the welding spot glue dispensing station 140 and fixes the product carrier, and the glue dispenser is started to dispense glue on the control box 3;
then the product flows to a control box cover plate press-mounting station 150 and fixes the product carrier, the mechanical arm grabs the control box cover plate onto the product, the press-mounting mechanism presses the cover plate into the control box 3, and the upper surface of the cover plate is ensured to be flush with the control box 3;
then the product flows to a sealing station 160 of the cover plate of the control box and fixes the product carrier, and a dispenser is started to seal the product along the path, so as to complete the sealing work of the cover plate of the control box;
the product then flows to the equipotential bolt mounting station 170 and secures the product carrier, starting the mounting mechanism to mount the equipotential bolt.
Step seven: then the product flows to an insulation and voltage resistance detection station 180 and fixes a product carrier, an operator uses an insulation and voltage resistance tester to manually detect the product, and if the leakage current is less than or equal to 5mA, no flicker exists, and discharge or partial discharge exists, the product passes the acceptance;
then the product flows to the air tightness final inspection station 190 and fixes the product carrier, an operator connects the workpiece with an air tightness testing instrument, and props against the water inlet and the water outlet by a clamp head, the leakage amount is set, the pressure is increased from 30Pa to 0.3MPa, the air tightness is detected, and if the air tightness is in accordance with the setting requirement after the test, the detection is passed;
then the product flows to the rack mount station 200 and fixes the product carrier, and the operator will manually mount the rack to the product;
the final product flows to final detection station 210 and fixes the product carrier, and operating personnel will be manual beats the sign indicating number and detect, and the position is pasted in the inspection, and the inspection casing is undamaged, and the point is glued and the breakpoint is then detected and is passed through.
In the second step, the heating bag 4 is plugged into the heating bag groove 10, the insert is embedded through manual operation, and then the insert is pressed through the insert pressing station 030.
Before the heating bag 4 is inlaid into the heating bag groove 10, the heating bag 4 is wrapped by the insulating heat-conducting film, then the heating bag 4 is sleeved by the clamping plate and then placed into the heating bag groove 10, and finally the insert is inserted into a gap between the clamping plate and the inner wall of the heating bag groove 10 to fix the heating bag 4.
In the fourth step, safety detection needs to ensure that the insulation resistance is more than or equal to 100 MOmega, the DC1000V and 60S withstand voltage and the AC2000V and 60S leakage current is less than or equal to 5 mA; and setting leakage amount during air tightness detection, pressurizing the air tightness from 30Pa to 0.3MPa, and detecting the air tightness.
In the fifth step, a connecting loop is arranged on the fixing plate, the loop is connected with an electrode plate of the heating bag 4, and a pin is led out of the loop to the outside of the heating aluminum seat 1.
And seventhly, besides the insulation and the air tightness, an operator is required to manually perform code printing detection, the pasting position is checked, the shell is checked to be free of damage, and the glue is dispensed with breakpoints.
Based on the above, all the steps of the invention are carried out through the production line, the production line is arranged to carry out the production of the product, the product comprises a large number of parts, all the parts are assembled into a finished product through continuously gluing and fastening in a layer-by-layer progressive assembly mode, and multiple tests are carried out, so that the finished product quality is high, the product effect is good, a large number of machines are used for replacing manpower, and the production efficiency is high.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. A production process of a PTC heating assembly is characterized by comprising the following steps:
the method comprises the following steps: laser coding and dispensing
Firstly, carrying out laser coding operation on the heating aluminum seat (1), and then carrying out dispensing on a heating bag groove (10) in the heating aluminum seat (1) after the coding operation is finished;
step two: insert and press fitting
The heating bag (4) is plugged into the heating bag groove (10) and embedded with the insert, and then the heating bag (4) and the insert are pressed into the heating bag groove (10);
step three: package with a metal layer
A sealing ring is plugged into a sealing groove of the heating aluminum seat (1), then the heating water chamber (2) is covered, the heating aluminum seat (1) and the heating water chamber (2) are fastened together, and then glue is dispensed at the upper end of the heating bag (4);
step four: one time detection
Carrying out safety detection on the semi-finished product to ensure that the insulation pressure resistance reaches the standard, and then carrying out air tightness detection to ensure that the air tightness reaches the standard;
step five: cover plate mounting
Firstly, mounting a fixed plate, fixing the fixed plate with the heating aluminum seat (1), connecting the fixed plate with an electrode plate of the heating bag (4), mounting an aluminum seat cover plate, sealing the aluminum seat cover plate with glue, and sealing the upper end of the heating aluminum seat (1);
step six: control box (3) installation
Firstly, mounting a control box (3) on a heating aluminum seat (1), then carrying out wire harness welding, connecting a wire harness with the head of an electrode plate, then mounting a control plate, fastening the control plate in the control box (3), then carrying out adhesive dispensing on the control box (3), then pressing and mounting a control box cover plate, sealing the control box cover plate with adhesive, and finally mounting an equipotential bolt;
step seven: second order detection
And (4) carrying out insulation and voltage resistance detection on the product again, then carrying out air tightness detection again, and after the air tightness detection reaches the standard, installing a support and finally carrying out code printing detection.
2. A process for producing a PTC heating assembly according to claim 1, wherein: in the second step, the heating bag (4) is plugged into the heating bag groove (10), the insert is embedded into the heating bag groove through manual operation, and then press mounting is carried out through the insert press mounting station (030).
3. A process for producing a PTC heating assembly according to claim 2, wherein: before the heating bag (4) is plugged into the heating bag groove (10), the heating bag (4) is wrapped by the insulating heat-conducting film, then the heating bag (4) is sleeved by the clamping plate, then the heating bag groove (10) is placed, and finally the insert is plugged into a gap between the clamping plate and the inner wall of the heating bag groove (10), so that the heating bag (4) is fixed.
4. A process for producing a PTC heating assembly according to claim 1, wherein: in the fourth step, safety detection needs to ensure that the insulation resistance is more than or equal to 100 MOmega, the DC1000V and 60S withstand voltage and the AC2000V and 60S leakage current is less than or equal to 5 mA; and setting leakage amount during air tightness detection, pressurizing the air tightness from 30Pa to 0.3MPa, and detecting the air tightness.
5. A process for producing a PTC heating assembly according to claim 1, wherein: in the fifth step, a connecting loop is arranged on the fixing plate, the loop is connected with an electrode plate of the heating bag (4), and pins are led out of the loop to the outside of the heating aluminum seat (1).
6. A process for producing a PTC heating assembly according to claim 1, wherein: and seventhly, besides the insulation and the air tightness, an operator is required to manually perform code printing detection, the pasting position is checked, the shell is checked to be free of damage, and the glue is dispensed with breakpoints.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910853731.3A CN110712033B (en) | 2019-09-10 | 2019-09-10 | Production process of PTC heating assembly |
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| CN201910853731.3A CN110712033B (en) | 2019-09-10 | 2019-09-10 | Production process of PTC heating assembly |
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| CN110712033A CN110712033A (en) | 2020-01-21 |
| CN110712033B true CN110712033B (en) | 2020-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014225348A (en) * | 2013-05-15 | 2014-12-04 | 三菱重工オートモーティブサーマルシステムズ株式会社 | Heat medium heating device, method of manufacturing the same, and vehicular air conditioner |
| CN105491694A (en) * | 2015-11-27 | 2016-04-13 | 芜湖恒美电热器具有限公司 | PTC tube production technological process |
| CN108515322B (en) * | 2018-03-28 | 2020-04-10 | 肇庆市庆林电热电器有限公司 | Manufacturing method of bidirectional heat exchange heater |
| CN208992150U (en) * | 2018-08-23 | 2019-06-18 | 广东万家乐燃气具有限公司 | A kind of gas heater assemble production line |
| CN109606070A (en) * | 2018-12-27 | 2019-04-12 | 芜湖黑特新能源汽车科技有限公司 | A kind of automobile air-conditioner high-pressure heating water PTC assembly with conductive copper sheet |
| CN110139404A (en) * | 2019-06-06 | 2019-08-16 | 山东德逸新能源汽车科技有限公司 | A kind of ptc heater and its production technology and the heater assembly with the ptc heater |
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Effective date of registration: 20220215 Address after: 442012 No. 9, Dongsheng Road, Maojian District, Shiyan City, Hubei Province Patentee after: Hubei yibeisi automobile electronic device Co.,Ltd. Address before: 241000 No.2 plant e301, No.35 Hengshan Road, Wuhu Economic and Technological Development Zone, Jiujiang District, Wuhu City, Anhui Province Patentee before: WUHU HEITE NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A Production Process for PTC Heating Components Effective date of registration: 20230414 Granted publication date: 20201124 Pledgee: Bank of China Limited by Share Ltd. Shiyan branch Pledgor: Hubei yibeisi automobile electronic device Co.,Ltd. Registration number: Y2023980037995 |
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