CN212487016U - Controller terminal installation tightening device - Google Patents
Controller terminal installation tightening device Download PDFInfo
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- CN212487016U CN212487016U CN202021198115.3U CN202021198115U CN212487016U CN 212487016 U CN212487016 U CN 212487016U CN 202021198115 U CN202021198115 U CN 202021198115U CN 212487016 U CN212487016 U CN 212487016U
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- integrated circuit
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Abstract
The utility model discloses a controller binding post mounting and tightening device, belonging to the field of controllers, which comprises a first shell and a second shell, wherein the first shell and the second shell are mutually buckled to form a first cavity; the first integrated circuit board is arranged on the first shell; a through hole is formed in the second integrated circuit board; the first binding post and the second binding post are respectively and fixedly arranged at two ends of the first integrated circuit board through fasteners; the lower end of the boss is attached to the first integrated circuit board and the upper end of the boss is attached to the second integrated circuit board. The beneficial effects of the utility model reside in that: the boss is utilized to simultaneously press the second integrated circuit board and fix the first integrated circuit board on the first shell, so that all devices of the controller are in close contact, and the influence of vibration on the controller is avoided; the circuit board has a certain distance, so that the components and the connecting lines are conveniently arranged, the heat dissipation space is increased, the contact area is increased, the heat production quantity of the circuit is reduced, and the service life of the controller is prolonged.
Description
Technical Field
The utility model relates to a controller field especially relates to a device is screwed up in installation of controller terminal.
Background
With the gradual rise of green new energy economy, the electric vehicle is popular with consumers due to the characteristics of portability, quickness, environmental protection, energy conservation and proper price. With the increase of the market share of the electric vehicle, the service environment of the electric vehicle is gradually complicated, and the performance requirements of users on the electric vehicle are higher and higher, the electric vehicle controller is a core control device for controlling the starting, running, advancing and retreating, speed and stopping of a motor of the electric vehicle and other electronic devices of the electric vehicle, and the electric vehicle controller is used as an important part of the electric vehicle, so that the requirements on the performance of the electric vehicle controller are higher and higher, and especially the requirements on vibration resistance, impact resistance, water resistance, heat dissipation and the like of the controller are higher and higher.
At present, due to the limitation of the overall dimension of a controller, circuit boards are mostly mounted in a circuit board lamination mode, so that the circuit boards are difficult to position and fix, the structure is complex, and the cost is high; especially, the upper layer circuit board and the lower layer circuit board are conducted through large current, so that the controller has higher requirements on heat dissipation performance of the controller, waterproof performance of a sealing position of a binding post and a controller shell, positioning and fixing among the circuit boards, distribution of the binding post in the controller, influence of the binding post on whole vehicle wiring, vibration and impact resistance, and circuit connection of the upper layer circuit board and the lower layer circuit board.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a device is screwed up in installation of controller terminal.
The utility model provides a technical problem can adopt following technical scheme to realize:
a controller terminal mounting tightening device, the device comprising:
the shell comprises a first shell and a second shell, wherein the second shell is provided with a first through hole through which a wiring column can pass, and the first shell and the second shell are mutually buckled to form a first cavity;
the first integrated circuit board is arranged on the first shell and is arranged in the first cavity;
the second integrated circuit board is arranged in the first cavity, and a through hole is formed in the second integrated circuit board;
the wiring terminals comprise a first wiring terminal and a second wiring terminal, the first wiring terminal and the second wiring terminal are respectively and fixedly arranged at two ends of the first integrated circuit board through fasteners, and bosses with preset thicknesses are arranged on the first wiring terminal and the second wiring terminal;
the first wiring terminal and one end of the second wiring terminal sequentially penetrate through the through hole and the first through hole respectively, and the lower end of the boss is attached to the first integrated circuit board and the upper end of the boss is attached to the second integrated circuit board.
Preferably, the first integrated circuit board is fixedly mounted on the first housing through a positioning bolt, and a heat-conducting silicone grease layer is coated between the first integrated circuit board and the first housing.
Preferably, the first terminal and the second terminal are provided with threaded holes at ends extending out of the first through hole.
Preferably, both ends of the boss are provided with first screw holes;
and second screw holes are respectively formed in the positions, corresponding to the first screw holes, of the first integrated circuit board.
Preferably, third screw holes are respectively formed in the positions, corresponding to the first screw holes, of the second integrated circuit board;
a gasket is arranged between the fastener and the second integrated circuit board, and the gasket is annular;
the fastener that the cover was equipped with insulating cover passes ring type gasket respectively in proper order the third screw first screw with the second screw, so that second integrated circuit board the terminal with first integrated circuit board install in on the first casing.
Preferably, an avoidance hole for the fastener to pass through is formed in the second integrated circuit board at a position corresponding to the first screw hole;
the cover is equipped with insulating cover the fastener passes in proper order respectively dodge the hole first screw with the second screw, so that second integrated circuit board the terminal with first integrated circuit board install in on the first casing.
Preferably, the first binding post and the second binding post are made of copper alloy or aluminum alloy.
Preferably, a waterproof sealing ring is arranged between the wiring terminal and the first through hole, and the waterproof sealing ring is made of a rubber material;
through first through-hole with mutually support of waterproof sealing washer and waterproof sealing washer with the terminal mutually supports, in order to seal first cavity.
The beneficial effects of the utility model reside in that:
the utility model discloses a set up the boss of predetermined thickness at the one end of terminal, utilize the boss convenient while to compress tightly the second integrated circuit board and fix the first integrated circuit board to the first casing, guaranteed the fixed of first integrated circuit board, second integrated circuit board and first casing, make the intimate contact between each device of controller, avoid the vibration to cause the unstability or the circuit contact failure of the inside device of electric vehicle controller; the circuit boards in the controller are spaced at a certain distance through the thickness of the lug bosses, so that the arrangement of components and connecting circuits on the circuit boards is facilitated, the heat dissipation space is increased, the supporting structure of the circuit boards is reduced by the support of the upper surfaces of the lug bosses of the binding posts, the contact area is increased, the contact resistance is reduced, the heat generated by the circuits is further reduced, the performance of the controller is fundamentally improved, and the service life of the controller is prolonged; the terminal and the through hole are sealed through the rubber waterproof sealing ring, so that the waterproof performance is good, the safety and the reliability are realized, the failure probability is reduced, and the vibration of the terminal and the shell can be effectively reduced by means of the rubber material.
Drawings
Fig. 1 is an exploded schematic view of a controller terminal mounting and tightening device according to the present invention;
FIG. 2 is a cross-sectional view of the mounting of a preferred embodiment of the terminal of the present invention;
fig. 3 is a cross-sectional view of the mounting of a terminal according to another preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
A controller binding post mounting and screwing device belongs to the field of controllers and comprises:
the shell comprises a first shell 1 and a second shell 2, the second shell 2 is provided with a first through hole for a wiring column 8 to pass through, and the first shell 1 and the second shell 2 are buckled with each other to form a first cavity;
a first integrated circuit board 10 mounted on the first housing 1 and disposed in the first cavity;
the second integrated circuit board 7 is arranged in the first cavity, and a through hole is formed in the second integrated circuit board 7;
the binding post 8 comprises a first binding post 81 and a second binding post 82, the first binding post 81 and the second binding post 82 are respectively and fixedly arranged at two ends of the first integrated circuit board 10 through fasteners 4, and bosses 83 with preset thickness are respectively arranged on the first binding post 81 and the second binding post 82;
one end of the first binding post 81 and one end of the second binding post 82 sequentially pass through the through hole and the first through hole, respectively, and the lower end of the boss 83 is attached to the first integrated circuit board 10 and the upper end of the boss 83 is attached to the second integrated circuit board 7.
Specifically, the device comprises a first shell 1 and a second shell 2, wherein a first cavity is formed after the first shell 1 and the second shell 2 are buckled, the first shell 1 is made of aluminum alloy, a radiating fin is arranged on one surface, far away from the first cavity, of the first shell 1, the radiating efficiency of the controller is improved, a first through hole for extending a wiring column 8 is formed in the second shell 2, a first integrated circuit board 10 is installed on the first shell 1, and the first integrated circuit board 10 comprises power devices such as a power tube and the like; the second integrated circuit board 7 comprises a motor control unit, a driving unit, a communication unit and an energy supply unit, wherein the motor control unit is respectively connected with the driving unit and the communication unit; the power supply unit is respectively connected with the driving unit, the communication unit and the energy supply unit and used for improving electric energy for circuits on the second integrated circuit board 7, the second integrated circuit board 7 is installed on the first integrated circuit board 10 through the fastening piece 4, a through hole communicated with the first through hole is formed in the second integrated circuit board 7, the first integrated circuit board 10 selects an aluminum-based PCB with good heat dissipation, and the second integrated circuit board 7 selects a copper-based PCB with better conductive effect.
The binding post 8 comprises a first binding post 81 and a second binding post 82, the first binding post 81 is a power supply binding post 8, the second binding post 82 is a phase line binding post 8, the first binding post 81 and the second binding post 82 can adopt structures with the same size and material, the structures comprise a boss 83 with a round-corner rectangular cross section and a binding post connected to one side of the boss 83, and the binding post is cylindrical; the wiring posts 8 with different sizes and materials can also be adopted, so that the thickness of the bosses 83 in the first wiring post 81 and the second wiring post 82 is ensured to be consistent; in this embodiment, the terminals 8 with the same size and material are adopted to reduce the manufacturing cost, wherein the number of the first terminals 81 is 2, the first terminals are arranged at one end of the first integrated circuit board 10, the number of the second terminals 82 is 3, the second terminals are arranged at the other end of the first integrated circuit board 10, the terminals of the first terminals 81 and the second terminals 82 respectively pass through the through holes on the second integrated circuit board 7, so that the upper surface of the boss 83 is closely attached to the second integrated circuit board 7, the lower surface of the boss 83 is attached to the first integrated circuit board 10, the height of the boss 83 is used to keep the distance of the height of the boss 83 between the second integrated circuit board 7 and the first integrated circuit board 10, meanwhile, the upper surface of the boss 83 can support the second integrated circuit board 7, the arrangement of the supporting structure between the circuit boards is reduced, the structure is simple, and enough space is arranged on the circuit board for arranging components and circuits, the heat dissipation performance is improved, the service life of the controller is prolonged, and phase lines and power lines of the controller can extend from the through holes of the second integrated circuit board 7.
In a preferred embodiment, the mounting and tightening device is configured such that the first ic board 10 is fixedly mounted on the first housing 1 by the positioning bolt 9, and a thermally conductive silicone layer is coated between the first ic board 10 and the first housing 1.
Specifically, in this embodiment, a heat conductive silicone grease layer is coated between the first integrated circuit board 10 and the first housing 1, which has the functions of heat transfer, moisture protection, dust protection, corrosion protection, shock protection, and the like, the heat conductive silicone grease is a high heat conductive and insulating material, the heat conductive silicone grease can be coated on the first integrated circuit board 10, or can be coated on the first housing 1, and the first integrated circuit board 10 is fixedly mounted on the first housing 1 through the positioning bolt 9.
In a preferred embodiment, the mounting and tightening device is provided with threaded holes at the ends of the first binding post 81 and the second binding post 82, which extend out of the first cavity from the first through hole, the threaded holes are used for connecting and fixing a wiring circuit of the controller, and a phase line and a power line of a motor of the controller are connected and fixed in the threaded holes.
As a preferred embodiment, the mounting and tightening device, wherein both ends of the boss 83 are provided with first screw holes;
the first integrated circuit board 10 is provided with second screw holes corresponding to the first screw holes.
As a preferred embodiment, the mounting and tightening device is shown in fig. 2, wherein third screw holes are respectively formed on the second integrated circuit board 7 at positions corresponding to the first screw holes;
a gasket 6 is arranged between the fastener 4 and the second integrated circuit board 7, and the gasket 6 is annular;
the fastener 4 sleeved with the insulating sleeve 5 sequentially penetrates through the annular gasket 6, the third screw hole, the first screw hole and the second screw hole respectively, so that the second integrated circuit board 7, the wiring terminal 8 and the first integrated circuit board 10 are mounted on the first shell 1.
In a preferred embodiment, the mounting and screwing device is characterized in that the fastener 4 is sleeved with the insulating sleeve 5, the second integrated circuit board 7, the binding post 8, the first integrated circuit board 10 and the first shell 1 are integrally mounted through the fastener 4, and meanwhile, the insulation between the circuit board and the first shell 1 is ensured, so that the heat resistance is improved; the fastener 4 is fixedly arranged on the second integrated circuit board 7 through the annular gasket 6, the gasket 6 increases the contact area of the head of the fastener 4 on the second integrated circuit board 7, and the damage of the circuit board caused by over-violent stress when the fastener 4 is directly fixed on the second integrated circuit board 7 is avoided. In a preferred embodiment, the mounting and tightening device is configured such that the first and second terminals 81 and 82 are made of a copper alloy or an aluminum alloy, which has good electrical and thermal conductivity.
As a preferred embodiment, the mounting and screwing device is provided with a waterproof sealing ring 3 between the binding post 8 and the first through hole, wherein the waterproof sealing ring 3 is made of rubber, and the waterproof sealing ring 3 is made of rubber;
through the interference fit of first through-hole and waterproof sealing circle 3 and the inner circle and the terminal 8 interference fit of waterproof sealing circle 3 to sealed first cavity.
As a preferred embodiment, the mounting method, wherein the waterproof sealing ring 3 is tightly attached in the first through hole by a gluing process, prevents the first through hole on the first housing 1 and the waterproof sealing ring 3 from being displaced when the terminal 8 is mounted.
A mounting method of a controller terminal 8 is provided, and the mounting method of the terminal 8 comprises the following steps:
step S1 a: coating a heat-conducting silicone grease layer between the first integrated circuit board 10 and the first shell 1, and fixedly installing the first integrated circuit board 10 on the first shell 1 through a positioning bolt 9;
step S2 a: the boss 83 on the binding post 8 passes through the through hole on the second integrated circuit board 7, the lower end of the boss 83 is attached to the first integrated circuit board 10, and the upper end of the boss 83 is attached to the second integrated circuit board 7;
step S3 a: the fastening piece 4 sleeved with the insulating sleeve 5 sequentially penetrates through the annular gasket 6, the third screw hole, the first screw hole and the second screw hole respectively;
step S4 a: install waterproof sealing ring 3 in first through-hole, terminal 8 and waterproof sealing ring 3 interference fit lock second casing 2 in first casing 1.
Specifically, in the present embodiment, as shown in fig. 2, the first ic board 10 and the second ic board 7 are connected and conducted through the terminal 8, and the first ic board 10 and the second ic board 7 are connected in series and in parallel through the phase line and the power line, and the current of the circuit boards is detected through the voltage division of the series and parallel resistors.
In a preferred embodiment, the mounting and tightening device is shown in fig. 3, wherein a relief hole for the fastener 4 to pass through is formed in the second ic board 7 at a position corresponding to the first screw hole;
the fastener 4 sleeved with the insulating sleeve 5 sequentially penetrates through the avoiding hole, the first screw hole and the second screw hole respectively, so that the second integrated circuit board 7, the wiring terminal 8 and the first integrated circuit board 10 are installed on the first shell 1.
A method for mounting a controller terminal 8, as shown in fig. 3, the method for mounting the terminal 8 includes:
step S1 b: coating a heat-conducting silicone grease layer between the first integrated circuit board 10 and the first shell 1, and fixedly installing the first integrated circuit board 10 on the first shell 1 through a positioning bolt 9;
step S2 b: the boss 83 on the binding post 8 passes through the through hole on the second integrated circuit board 7, the lower end of the boss 83 is attached to the first integrated circuit board 10, and the upper end of the boss 83 is attached to the second integrated circuit board 7;
step S3 b: the fastening piece 4 sleeved with the insulating sleeve 5 sequentially penetrates through the avoidance hole, the first screw hole and the second screw hole respectively, so that the bottom end of the head of the fastening piece 4 is attached to the upper surface of the boss 83;
step S4 b: install waterproof sealing ring 3 in first through-hole, terminal 8 and waterproof sealing ring 3 interference fit lock second casing 2 in first casing 1.
Specifically, in this embodiment, first integrated circuit board 10 and second integrated circuit board 7 are connected and conducted through between terminal 8, establish first terminal 81 and second terminal 82 through establishing ring transformer cover, and the pin welding of mutual-inductor detects current on second integrated circuit board 7, and calorific capacity of the components and parts on second integrated circuit board 7 is less for first integrated circuit board 10, has reduced the influence that high temperature caused the mutual-inductor, and mutual-inductor accessible insulating heat-resistant material cover is located on terminal 8.
The beneficial effects of the utility model reside in that:
the utility model discloses a set up the boss of predetermined thickness at the one end of terminal, utilize the boss convenient while to compress tightly the second integrated circuit board and fix the first integrated circuit board to the first casing, guaranteed the fixed of first integrated circuit board, second integrated circuit board and first casing, make the intimate contact between each device of controller, avoid the vibration to cause the unstability or the circuit contact failure of the inside device of electric vehicle controller; the circuit boards in the controller are spaced at a certain distance through the thickness of the lug bosses, so that the arrangement of components and connecting circuits on the circuit boards is facilitated, the heat dissipation space is increased, the supporting structure of the circuit boards is reduced by the support of the upper surfaces of the lug bosses of the binding posts, the contact area is increased, the contact resistance is reduced, the heat generated by the circuits is further reduced, the performance of the controller is fundamentally improved, and the service life of the controller is prolonged; the terminal and the through hole are sealed through the rubber waterproof sealing ring, so that the waterproof performance is good, the safety and the reliability are realized, the failure probability is reduced, and the vibration of the terminal and the shell can be effectively reduced by means of the rubber material.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (8)
1. A controller terminal mounting and tightening apparatus, comprising:
the shell comprises a first shell and a second shell, wherein the second shell is provided with a first through hole through which a wiring column can pass, and the first shell and the second shell are mutually buckled to form a first cavity;
the first integrated circuit board is arranged on the first shell and is arranged in the first cavity;
the second integrated circuit board is arranged in the first cavity, and a through hole is formed in the second integrated circuit board;
the wiring terminals comprise a first wiring terminal and a second wiring terminal, the first wiring terminal and the second wiring terminal are respectively and fixedly arranged at two ends of the first integrated circuit board through fasteners, and bosses with preset thicknesses are arranged on the first wiring terminal and the second wiring terminal;
the first wiring terminal and one end of the second wiring terminal sequentially penetrate through the through hole and the first through hole respectively, and the lower end of the boss is attached to the first integrated circuit board and the upper end of the boss is attached to the second integrated circuit board.
2. The controller terminal mounting and tightening apparatus according to claim 1, wherein the first ic board is fixedly mounted to the first housing by a set screw, and a thermally conductive silicone layer is applied between the first ic board and the first housing.
3. The controller terminal mounting and tightening device according to claim 1, wherein the first terminal and the second terminal are each provided with a threaded hole at an end thereof protruding from the first through hole.
4. The controller binding post mounting and tightening device according to claim 1, wherein both ends of the boss are provided with first screw holes;
and second screw holes are respectively formed in the positions, corresponding to the first screw holes, of the first integrated circuit board.
5. The controller binding post mounting and screwing device of claim 4, wherein the second integrated circuit board is provided with third screw holes corresponding to the first screw holes respectively;
a gasket is arranged between the fastener and the second integrated circuit board, and the gasket is annular;
the fastener that the cover was equipped with insulating cover passes ring type gasket respectively in proper order the third screw first screw with the second screw, so that second integrated circuit board the terminal with first integrated circuit board install in on the first casing.
6. The controller binding post mounting and screwing device of claim 4, wherein a relief hole for the fastener to pass through is formed in the second integrated circuit board at a position corresponding to the first screw hole;
the cover is equipped with insulating cover the fastener passes in proper order respectively dodge the hole first screw with the second screw, so that second integrated circuit board the terminal with first integrated circuit board install in on the first casing.
7. The controller terminal mounting and tightening device according to claim 1, wherein the first terminal and the second terminal are made of a copper alloy or an aluminum alloy.
8. The controller binding post mounting and screwing device according to claim 1, wherein a waterproof sealing ring is arranged between the binding post and the first through hole, and the waterproof sealing ring is made of a rubber material;
through first through-hole with mutually support of waterproof sealing washer and waterproof sealing washer with the terminal mutually supports, in order to seal first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198115.3U CN212487016U (en) | 2020-06-24 | 2020-06-24 | Controller terminal installation tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198115.3U CN212487016U (en) | 2020-06-24 | 2020-06-24 | Controller terminal installation tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212487016U true CN212487016U (en) | 2021-02-05 |
Family
ID=74413680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021198115.3U Active CN212487016U (en) | 2020-06-24 | 2020-06-24 | Controller terminal installation tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212487016U (en) |
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2020
- 2020-06-24 CN CN202021198115.3U patent/CN212487016U/en active Active
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