CN113207247A - Automobile speed regulation module and manufacturing method thereof - Google Patents
Automobile speed regulation module and manufacturing method thereof Download PDFInfo
- Publication number
- CN113207247A CN113207247A CN202110409633.8A CN202110409633A CN113207247A CN 113207247 A CN113207247 A CN 113207247A CN 202110409633 A CN202110409633 A CN 202110409633A CN 113207247 A CN113207247 A CN 113207247A
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- radiator
- plastic base
- circuit board
- heating device
- heat
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 85
- 229920003023 plastic Polymers 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 18
- 239000000047 product Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/062—Hermetically-sealed casings sealed by a material injected between a non-removable cover and a body, e.g. hardening in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an automobile speed regulation module which comprises a plastic base and a radiator, wherein a circuit board assembly, a connecting terminal, a heating device and a clamp spring are arranged in a sealed space formed by the plastic base and the radiator in a surrounding mode, a connector interface is formed in the plastic base, one end of the connecting terminal extends into the connector interface, the other end of the connecting terminal is welded with the circuit board assembly, the heating device is arranged on the circuit board assembly through the clamp spring, the clamp spring is located between the heating device and the circuit board assembly, two ends of the clamp spring are abutted to the inner wall of the plastic base, the heating device is attached and bonded to the radiator under the pressure of the clamp spring, and the plastic base is connected with the radiator in a sealing mode through glue. The embodiment of the invention also provides a manufacturing method of the automobile speed regulating module.
Description
Technical Field
The invention relates to the field of speed regulation modules for regulating the air speed of air blowers of automobile air conditioners, in particular to an automobile speed regulation module and a manufacturing method thereof.
Background
The automobile air conditioner speed regulating module is an electronic component for regulating the rotating speed of an automobile blower, and the rotating speed is controlled by changing the terminal voltage of the blower through a signal transmitted from an automobile control panel. Generally, in order to prevent water vapor and water vapor condensed water drops on the radiator from entering the module, the connecting part of the radiator generally needs to be designed to be waterproof, and the radiator generally adopts the modes of integral injection molding, sealant or sealing gasket and the like. The radiator has the function of radiating heat of a heating device (field effect tube), so the heating device needs to be in good contact with the radiator, and the heating device is generally connected with the radiator by screws and filled with heat conducting materials to achieve the functions of contact and heat transfer. The connection of the key parts of the radiator and the heating device adopts screw connection, the situation that the screw is not tightened or the depth of a screw bottom hole of the radiator is not enough, the contact between the heating device and the radiator cannot be ensured when the screw is screwed to the bottom, and the like, is difficult to detect in the manufacturing process, and finally causes the defects in the using process of the product.
Therefore, a new speed regulating module for a vehicle is needed to overcome the above problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automobile speed regulating module which at least solves part of problems in the prior art.
The invention is realized by the following steps:
the invention provides an automobile speed regulation module which comprises a plastic base and a radiator, wherein a circuit board assembly, a connecting terminal, a heating device and a clamp spring are arranged in a sealed space formed by the plastic base and the radiator in a surrounding mode, a connector interface is formed in the plastic base, one end of the connecting terminal extends into the connector interface, the other end of the connecting terminal is welded with the circuit board assembly, the heating device is arranged on the circuit board assembly through the clamp spring, the clamp spring is located between the heating device and the circuit board assembly, two ends of the clamp spring are abutted to the inner wall of the plastic base, the heating device is attached and bonded to the radiator under the pressure of the clamp spring, and the plastic base is connected with the radiator in a sealing mode through glue.
As preferred, the jump ring stretches out the wall including four first stretching out walls that are located the middle part and two second that are located the tip, the jump ring passes through first stretching out wall and second stretch out the wall with circuit board assembly location connects, the first trompil that stretches out the wall of joint is seted up at circuit board assembly's base plate middle part, the open slot that the wall was stretched out to the joint second is seted up at circuit board assembly's base plate border, the second stretches out the wall and extends to the plastic base direction from the radiator, the wall butt is stretched out to the second plastic base's inner wall.
Preferably, a circuit board assembly accommodating groove is formed in the plastic base, a plurality of buckles for clamping the radiator are arranged in the plastic base, and a groove clamped with the buckles is formed in the top of the radiator.
Preferably, an annular glue filling groove is formed in the inner wall of the plastic base, the glue filling groove is opposite to the top edge of the radiator, a sealing heat-conducting filling agent is filled in the glue filling groove, and the plastic base is in sealing connection with the radiator through the sealing heat-conducting filling agent.
Preferably, the assembly surfaces of the heat sink and the heat generating device are coated with a sealing and heat conducting filler.
Preferably, the edge of the substrate of the circuit board assembly is provided with an anti-error groove, and an anti-error rib clamped with the anti-error groove is arranged in the plastic base.
Preferably, the connecting terminal is provided with two positioning columns, and the substrate of the circuit board assembly is provided with positioning holes correspondingly matched with the positioning columns.
The invention also provides a manufacturing method of the automobile speed regulating module, which comprises the following steps:
s1, arranging a circle of glue filling groove at the assembly part of the plastic base and the radiator, arranging a plurality of buckles in the plastic base 1, and arranging a groove matched with the buckles in the radiator;
s2, welding the connecting terminal to the circuit board assembly;
s3, assembling the clamp spring on the heating device, and welding the heating device and the temperature fuse after the circuit board assembly with the welding connecting terminal is assembled according to the positioning structure of the clamp spring;
s4, filling the glue filling groove with a sealing heat-conducting filler before assembling with the radiator, and meanwhile, smearing the sealing heat-conducting filler on the part of the radiator where the heating device is assembled;
s5, arranging the circuit board assembly with the connecting terminal and the heating device into a plastic base;
s6, when the plastic base is assembled with the radiator, the heating device is pressed and attached to the surface of the radiator by the resilience force of the deformation generated when the clamp spring assembled on the back of the heating device pushes the plastic base, and the assembly of the heating device is completed;
s7, the plastic base and the radiator are assembled and then are fixedly connected through a buckle;
s8, the plastic base and the radiator are bonded into a whole by natural curing or baking curing of the sealing heat-conducting filler.
The invention has the following beneficial effects:
1. the invention provides the automobile speed regulating module which is simple in production steps and reliable in structure, and is stable in assembly quality and high in production efficiency.
2. The invention adopts the sealing heat-conducting filler to solve the problems of sealing and connection between the radiator and the plastic base, simplifies the manufacturing steps of the automobile speed regulating module, cancels the screw connection process, and further improves the reliability of the product by adopting a bonding mode after the clamp spring is compressed.
3. The automobile speed regulating module provided by the invention avoids screw installation in the whole manufacturing process, and has the advantages of simple manufacturing steps and lower manufacturing cost.
4. The automobile speed regulation module provided by the invention avoids the defects caused by loosening and untightening of the screw, and is more reliable by adopting the clamp spring compression structure.
5. According to the automobile speed regulating module provided by the invention, the sealing problem of a product is perfectly solved by using the sealing heat-conducting filler, and the defects of fatigue, aging and the like are avoided.
6. The automobile speed regulating module provided by the invention shortens the production process, reduces the equipment and labor input, and is easy to realize automatic production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded view of a vehicle governor module according to an embodiment of the present invention;
FIG. 2 is a schematic view of a buckle and a filling according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a circuit board assembly according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a circlip provided in the embodiment of the present invention;
FIG. 5 is a schematic diagram of a pin header of a connection terminal according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a pin header of a connection terminal according to an embodiment of the present invention;
fig. 7 is a schematic view of a clamp spring provided in the embodiment of the present invention;
FIG. 8 is a flow chart illustrating a conventional manufacturing process of a vehicle governor module;
fig. 9 is a manufacturing flow chart of the automobile speed regulation module according to the embodiment of the invention.
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 to 9, an embodiment of the present invention provides an automotive governor module, which includes a plastic base 1 and a heat sink 2, a circuit board component 4, a connecting terminal 5, a heating device 3 and a clamp spring 6 are arranged in a sealed space enclosed by the plastic base 1 and the radiator 2, the plastic base 1 is provided with a connector interface 11, one end of the connecting terminal 5 extends into the connector interface 11, the other end of the connecting terminal 5 is welded with the circuit board component 4, the heating device 3 is arranged on the circuit board component 4 through a clamp spring 6, the pins of the heating device 3 are welded with the circuit board component 4, the clamp spring 6 is positioned between the heating device 3 and the circuit board component 4, the both ends of jump ring 6 and the inner wall butt of plastic base 1, generate heat device 3 and bond with 2 laminating of radiator under the pressure of jump ring 6, plastic base 1 and radiator 2 pass through glue sealing connection.
The invention provides the automobile speed regulating module which is simple in production steps and reliable in structure, and is stable in assembly quality and high in production efficiency.
Jump ring 6 stretches out wall 62 including four first stretching out walls 61 that are located the middle part and two seconds that are located the tip, jump ring 6 passes through first stretching out wall 61 and second stretch out wall 62 with circuit board subassembly 4 location is connected, the first trompil that stretches out wall 61 of joint is seted up at the base plate middle part of circuit board subassembly 4, the open slot that stretches out wall 62 of joint second is seted up at the base plate border of circuit board subassembly 4, the second stretches out wall 62 and extends to plastic base 1 direction from radiator 2, wall 62 butt is stretched out to the second plastic base 1's inner wall.
Be equipped with circuit board assembly 4 accepting groove in the plastic base 1, be equipped with a plurality of buckles 12 of joint radiator 2 in the plastic base 1, the top of radiator 2 be equipped with the recess 22 of buckle 12 block.
An annular glue filling groove 13 is formed in the inner wall of the plastic base 1, the glue filling groove 13 is opposite to the top edge of the radiator 2, a sealing heat-conducting filling agent 21 is filled in the glue filling groove 13, and the plastic base 1 is connected with the radiator 2 in a sealing mode through the sealing heat-conducting filling agent 21. The assembly surfaces of the heat sink 2 and the heat generating device 3 are coated with a sealing heat conductive filler 21.
The invention adopts the sealing heat-conducting filler to solve the problems of sealing and connection between the radiator and the plastic base, simplifies the manufacturing steps of the automobile speed regulating module, cancels the screw connection process, and further improves the reliability of the product by adopting a bonding mode after the clamp spring is compressed.
The edge of the substrate of the circuit board assembly 4 is provided with an anti-error groove 41, and an anti-error rib clamped with the anti-error groove 41 is arranged in the plastic base 1.
Two positioning columns 51 are arranged on the connecting terminal 5, and positioning holes correspondingly matched with the positioning columns 51 are arranged on the substrate of the circuit board assembly 4. Connecting terminal 5 is moulded plastics by a plurality of inserted sheets 52 and is formed, is equipped with fretwork round hole 53 on the inserted sheet, can prevent that the inserted sheet from deviating from after moulding plastics.
The automobile speed regulating module provided by the invention avoids screw installation in the whole manufacturing process, and has the advantages of simple manufacturing steps and lower manufacturing cost.
The automobile speed regulation module provided by the invention avoids the defects caused by loosening and untightening of the screw, and is more reliable by adopting the clamp spring compression structure.
According to the automobile speed regulating module provided by the invention, the sealing problem of a product is perfectly solved by using the sealing heat-conducting filler, and the defects of fatigue, aging and the like are avoided.
The automobile speed regulating module provided by the invention shortens the production process, reduces the equipment and labor input, and is easy to realize automatic production.
The embodiment of the invention also provides a manufacturing method of the automobile speed regulating module, which comprises the following steps:
s1, a glue filling groove 13 is formed in the assembly part of the plastic base 1 and the radiator 2, a plurality of buckles 12 are arranged in the plastic base 1, and grooves 22 matched with the buckles 12 are formed in the radiator 2;
s2, soldering the connection terminal 5 to the circuit board assembly 4;
s3, assembling the clamp spring 6 on the heating device 3, and welding the heating device 3 and the temperature fuse 7 after the circuit board assembly 4 welded with the connecting terminal 5 is assembled according to the positioning structure of the clamp spring 6;
s4, before assembling with the radiator 2, the glue filling groove 13 is filled with the sealing heat-conducting filler 21, and meanwhile, the part of the radiator 2 where the heating device 3 is assembled is coated with the sealing heat-conducting filler 21;
s5, installing the circuit board assembly 4 provided with the connecting terminal 5 and the heating device 3 into the plastic base 1;
s6, when the plastic base 1 and the radiator 2 are assembled, the clamp spring 6 assembled on the back of the heating device 3 pushes the plastic base 1 to generate a deformed resilience force to press and attach the heating device 3 to the surface of the radiator 2, and the assembly of the heating device 3 is completed;
s7, the plastic base 1 and the radiator 2 are assembled and then are fixedly connected through the buckle 12;
s8, the sealing heat-conducting filler 21 is naturally cured or baked and cured to bond the plastic base 1 and the heat radiator 2 into a whole.
The speed regulation module comprises a plastic base 1, a radiator 2, a heating device 3, a circuit board assembly 4 (containing electronic components required by product functions), a connecting terminal 5 for signal transmission and reception, a clamp spring 6 and the like.
The assembly part of the plastic base 1 and the radiator 2 is provided with a circle of grooves (glue filling grooves 13), before being assembled with the radiator 2, the grooves are filled with sealing heat-conducting fillers 21, a plurality of buckles 12 are arranged in the plastic base 1, the radiator 2 is provided with grooves 22 matched with the buckles 12, after being assembled with the radiator 2, the grooves are fixedly connected through the buckles 12, the sealing heat-conducting fillers 21 can fill the gaps between the plastic base 1 and the radiator 2, and then the plastic base 1 and the radiator 2 are bonded into a whole through natural curing or baking curing.
The sealing heat-conducting filler 21 is generally naturally cured or baked and cured, has high-strength bonding force on plastic parts, aluminum alloy, electronic components and the like, has high hardness after curing, has strong impact resistance and high peel strength after bonding, and bonds the plastic base 1 and the radiator 2 into a hardly strippable whole to achieve a high sealing effect. The sealing gasket is completely different from the principle that the sealing gasket seals by compression and rebound, and is also different from the conventional sealing gasket that only fills an assembly gap but has no better hardness and adhesion and can be peeled.
The plastic base 1 comprises a connector interface 11, which can be selected to be waterproof and non-waterproof according to actual use requirements.
When the plastic base 1 is filled with the sealing heat-conducting filler 21, a certain amount of sealing heat-conducting filler 21 is coated at the position of the heat radiator 2 where the heat generating device 3 is assembled, so that when the plastic base 1 is assembled with the heat radiator 2, the clamp spring 6 assembled at the back of the heat generating device 3 pushes the plastic base 1 to generate deformation, the resilience force can compress and attach the heat generating device 3 to the surface of the heat radiator 2, and the assembly of the heat generating device 3 is also completed.
Before the assembly of the plastic base 1 and the radiator 2 is completed, the clamp spring 6 and the circuit board assembly 4 need to be assembled firstly, and the specific scheme is as follows: and placing the clamp spring 6 on the heating device 3, and then placing the circuit board assembly 4 on the clamp spring 6 according to the positioning structure of the clamp spring 6 to weld the pins of the heating device 3 and the circuit board. The substrate of the circuit board assembly 4 is provided with an anti-mismatching groove 41, ensuring the uniqueness of the assembly direction.
Before the welding is completed, the connecting terminal 5 needs to be welded on the circuit board, the connecting terminal 5 is made into a pin header through an injection molding process, and the pin header is provided with a positioning column 51 which is matched with a positioning hole on the circuit board to complete the position fixing of the connecting terminal.
The clamp spring 6 is made of materials with excellent elasticity, QSn6.5-0.1, 65Mn, SUS301 stainless steel and the like are generally recommended, steps are arranged at two ends of the clamp spring 6 and used for fixing a circuit board, walls extending out of two sides are used for fixing the circuit board, the walls extending out of two sides are pressed to deform after being assembled with the plastic base 1, and the resilience force of the clamp spring 6 acts on the heating device 3 to enable the heating device 3 to be tightly attached to the radiator 2.
The speed regulation module comprises a plastic base 1, a radiator 2, a heating device 3, a circuit board assembly 4, a connecting terminal 5, a clamp spring 6 and the like. The connecting terminal 5 is a pin header formed by injection molding a plurality of connecting terminals, two positioning columns 51 are arranged on the pin header and used for positioning the connecting terminals, and the pin header and the circuit board assembly 4 are welded after being assembled. Assemble jump ring 6 to the device 3 that generates heat, then the welding of the device 3 that generates heat and temperature fuse 7 is carried out after the circuit board subassembly 4 that will weld the pin header is assembled according to jump ring 6's location structure, pack circuit board subassembly 4 into the draw-in groove of plastic base 1 with radiator 2 after in plastic base 1 at last, the buckle 12 card of plastic base 1 is gone into in the recess 22 of radiator 2 and is died radiator 2 lock, jump ring 6 pushes up 1 bottom of plastic base and produces deformation simultaneously, jump ring 6 resilience force will generate heat device 3 and press and hug closely radiator 2 surfaces and make both contacts well, this moment, the product preparation is accomplished. Before the final step of assembly, the glue filling groove 13 of the plastic base 1 needs to be fully coated with the sealing heat-conducting filler 21, and meanwhile, a certain amount of the sealing heat-conducting filler 21 is coated on the assembling surface of the heat radiator 2 and the heating device 3, so that the plastic base 1 and the heat radiator 2 can be completely bonded into a non-strippable whole after the product is assembled and cured, the sealing effect is achieved, and the heating device 3 and the heat radiator 2 are also bonded together to avoid the abnormality of poor contact.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an automobile speed governing module which characterized in that: including plastic base and radiator, plastic base and radiator enclose and are equipped with circuit board subassembly, connecting terminal, the device and jump ring generate heat in the synthetic sealed space, the connector interface has been seted up on the plastic base, connecting terminal's one end stretches into in the connector interface, connecting terminal's the other end with circuit board subassembly welding, the device that generates heat is installed on circuit board subassembly through the jump ring, the jump ring is located between device and the circuit board subassembly generate heat, the both ends of jump ring and plastic base's inner wall butt, the device that generates heat bonds with the radiator laminating under the pressure of jump ring, plastic base and radiator pass through gluey sealing connection.
2. The vehicle throttle module of claim 1, wherein: the jump ring stretches out the wall including four first stretching out walls that are located the middle part and two seconds that are located the tip, the jump ring passes through first stretching out wall and second stretch out the wall with circuit board subassembly location is connected, the first trompil that stretches out the wall of joint is seted up at circuit board subassembly's base plate middle part, the open slot that the wall was stretched out to the joint second is seted up at circuit board subassembly's base plate border, the second stretches out the wall and extends to the plastic base direction from the radiator, the wall butt is stretched out to the second plastic base's inner wall.
3. The vehicle throttle module of claim 1, wherein: the plastic base is internally provided with a circuit board assembly accommodating groove, the plastic base is internally provided with a plurality of buckles for clamping the radiator, and the top of the radiator is provided with a groove clamped with the buckles.
4. The vehicle throttle module of claim 1, wherein: the heat radiator is characterized in that an annular glue filling groove is formed in the inner wall of the plastic base, the glue filling groove is opposite to the top edge of the heat radiator, a sealing heat-conducting filler is filled in the glue filling groove, and the plastic base is connected with the heat radiator in a sealing mode through the sealing heat-conducting filler.
5. The vehicle throttle module of claim 1, wherein: and the assembling surfaces of the radiator and the heating device are coated with a sealing heat-conducting filler.
6. The vehicle throttle module of claim 1, wherein: the edge of the substrate of the circuit board assembly is provided with an anti-misadjustment groove, and an anti-misadjustment rib clamped with the anti-misadjustment groove is arranged in the plastic base.
7. The vehicle throttle module of claim 1, wherein: the connecting terminal is provided with two positioning columns, and the substrate of the circuit board assembly is provided with positioning holes correspondingly matched with the positioning columns.
8. A manufacturing method of an automobile speed regulation module is characterized in that: the method comprises the following steps:
s1, arranging a circle of glue filling groove at the assembly part of the plastic base and the radiator, arranging a plurality of buckles in the plastic base 1, and arranging a groove matched with the buckles in the radiator;
s2, welding the connecting terminal to the circuit board assembly;
s3, assembling the clamp spring on the heating device, and welding the heating device and the temperature fuse after the circuit board assembly with the welding connecting terminal is assembled according to the positioning structure of the clamp spring;
s4, filling the glue filling groove with a sealing heat-conducting filler before assembling with the radiator, and meanwhile, smearing the sealing heat-conducting filler on the part of the radiator where the heating device is assembled;
s5, arranging the circuit board assembly with the connecting terminal and the heating device into a plastic base;
s6, when the plastic base is assembled with the radiator, the heating device is pressed and attached to the surface of the radiator by the resilience force of the deformation generated when the clamp spring assembled on the back of the heating device pushes the plastic base, and the assembly of the heating device is completed;
s7, the plastic base and the radiator are assembled and then are fixedly connected through a buckle;
s8, the plastic base and the radiator are bonded into a whole by natural curing or baking curing of the sealing heat-conducting filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409633.8A CN113207247A (en) | 2021-04-16 | 2021-04-16 | Automobile speed regulation module and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409633.8A CN113207247A (en) | 2021-04-16 | 2021-04-16 | Automobile speed regulation module and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113207247A true CN113207247A (en) | 2021-08-03 |
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| CN202110409633.8A Pending CN113207247A (en) | 2021-04-16 | 2021-04-16 | Automobile speed regulation module and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444600A (en) * | 2010-10-11 | 2012-05-09 | 上海克拉电子有限公司 | Speed regulation module of fan |
| CN102588316A (en) * | 2012-03-30 | 2012-07-18 | 长城汽车股份有限公司 | Speed regulating module of automobile air-conditioning blower |
| CN205243916U (en) * | 2015-12-14 | 2016-05-18 | 武汉奥泽电子有限公司 | Timing control ware of vehicle air conditioner air -blower |
| CN208053042U (en) * | 2018-04-19 | 2018-11-06 | 武汉显捷电子有限公司 | A kind of assembling structure of automobile air conditioner speed regulation module |
| CN215301085U (en) * | 2021-04-16 | 2021-12-24 | 孝感华工高理电子有限公司 | Automobile speed regulation module |
-
2021
- 2021-04-16 CN CN202110409633.8A patent/CN113207247A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444600A (en) * | 2010-10-11 | 2012-05-09 | 上海克拉电子有限公司 | Speed regulation module of fan |
| CN102588316A (en) * | 2012-03-30 | 2012-07-18 | 长城汽车股份有限公司 | Speed regulating module of automobile air-conditioning blower |
| CN205243916U (en) * | 2015-12-14 | 2016-05-18 | 武汉奥泽电子有限公司 | Timing control ware of vehicle air conditioner air -blower |
| CN208053042U (en) * | 2018-04-19 | 2018-11-06 | 武汉显捷电子有限公司 | A kind of assembling structure of automobile air conditioner speed regulation module |
| CN215301085U (en) * | 2021-04-16 | 2021-12-24 | 孝感华工高理电子有限公司 | Automobile speed regulation module |
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