CN214226768U - High-side switch assembly integrated with safety piece of preheater and safety piece of starter - Google Patents
High-side switch assembly integrated with safety piece of preheater and safety piece of starter Download PDFInfo
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- CN214226768U CN214226768U CN202120245417.XU CN202120245417U CN214226768U CN 214226768 U CN214226768 U CN 214226768U CN 202120245417 U CN202120245417 U CN 202120245417U CN 214226768 U CN214226768 U CN 214226768U
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Abstract
A high-side switch assembly integrating a preheater safety piece and a starter safety piece comprises a high-side switch and a mounting bracket assembly. The high-side switch comprises a current input connector and a current output connector. The mounting bracket assembly comprises a mounting bracket, a preheater safety piece, a starter safety piece, a current input connecting piece, a current output connecting piece, first to third external conductive connectors and first to fourth middle conductive connectors. Two ends of the safety piece of the preheater are respectively fixed on the first middle conductive joint and the second middle conductive joint, and two ends of the safety piece of the starter are respectively fixed on the third middle conductive joint and the fourth middle conductive joint. The first external conductive contact, the first and fourth intermediate conductive contacts are electrically connected, and the second external conductive contact is electrically connected to the third intermediate conductive contact. The two ends of the current input connecting sheet are respectively fixed on the second middle conductive joint and the current input joint, and the two ends of the current output connecting sheet are respectively fixed on the third external conductive joint and the current output joint. The utility model discloses compact structure, security are high.
Description
Technical Field
The utility model relates to an automotive electronics technique especially relates to the high limit switch of the power supply of the on-vehicle pre-heater of control.
Background
The high-side switch, the preheater safety piece and the starter safety piece of the traditional engine air inlet preheater are dispersedly arranged at different positions of an engine, and the middle parts of the high-side switch, the preheater safety piece and the starter safety piece are connected by wire harnesses with different lengths, so that extra current consumption can be generated, and the risk points of parts are increased.
Disclosure of Invention
The utility model aims to solve the technical problem that a high limit switch assembly that compact structure, current loss are little, the security is high is provided.
The high-side switch assembly of the integrated preheater safety disc and the starter safety disc comprises a high-side switch, wherein the high-side switch comprises a current input connector and a current output connector; the mounting bracket assembly comprises a mounting bracket, a preheater fuse piece, a starter fuse piece, a current input connecting piece, a current output connecting piece, a first external conductive connector, a second external conductive connector, a third external conductive connector, a first middle conductive connector, a second middle conductive connector, a third middle conductive connector and a fourth middle conductive connector; the first to third external conductive joints and the first to fourth middle conductive joints are respectively fixed on the mounting bracket; two ends of the safety piece of the pre-heater are respectively and electrically connected and fixed to the first middle conductive joint and the second middle conductive joint, and two ends of the safety piece of the starter are respectively and electrically connected and fixed to the third middle conductive joint and the fourth middle conductive joint; the first external conductive joint, the first middle conductive joint and the fourth middle conductive joint are electrically connected, and the second external conductive joint is electrically connected with the third middle conductive joint; the two ends of the current input connecting sheet are respectively and electrically connected and fixed to the second middle conductive joint and the current input joint of the high-side switch, and the two ends of the current output connecting sheet are respectively and electrically connected and fixed to the third external conductive joint and the current output joint of the high-side switch.
The utility model discloses at least, have following advantage:
in the embodiment, the high-side switch, the pre-heater safety piece and the starter safety piece are integrated on the same mounting bracket, so that compared with the prior art, the structure is more compact, the volume and the weight of a product are reduced, and the cost is reduced; meanwhile, as the wiring harness connection is not adopted, the current loss is reduced, and the use safety of the product is improved.
Drawings
Fig. 1 and 2 show an appearance diagram and an explosion diagram of a high-side switch assembly according to an embodiment of the present invention, respectively.
Fig. 3 shows a schematic top view of a high-side switch assembly with an upper cover removed, according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating an electrical connection relationship of a high-side switch assembly according to an embodiment of the present invention.
Fig. 5 and 6 show an assembly view of a mounting bracket assembly (with the preheater fuse and the starter fuse removed) from different angles, respectively, according to an embodiment of the present invention.
Fig. 7 shows an exploded view of a mounting bracket assembly (with the preheater fuse and starter fuse removed) according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Please refer to fig. 1 to 7. According to the utility model discloses a high limit switch assembly of integrated pre-heater rupture disc and starter rupture disc, including high limit switch 1 and installing support assembly 2.
The high side switch 1 comprises a current input terminal 11, a current output terminal 12 and a control signal interface 13.
The mounting bracket assembly 2 includes a mounting bracket 20, a pre-heater fuse 21, a starter fuse 22, a current input connection 23, a current output connection 24, a first external conductive contact 251, a second external conductive contact 252, a third external conductive contact 253, a first intermediate conductive contact 261, a second intermediate conductive contact 262, a third intermediate conductive contact 263, and a fourth intermediate conductive contact 264. The first to third external conductive contacts and the first to fourth intermediate conductive contacts are fixed to the mounting bracket 20, respectively.
Both ends of the pre-heater rupture disc 21 are electrically connected and fixed to the first and second intermediate electrically conductive contacts 261 and 262, respectively, and both ends of the starter rupture disc 22 are electrically connected and fixed to the third and fourth intermediate electrically conductive contacts 263 and 264, respectively. The first external conductive contact 251, the first intermediate conductive contact 261 and the fourth intermediate conductive contact 264 are electrically connected, and the second external conductive contact 252 is electrically connected to the third intermediate conductive contact 263. Two ends of the current input connecting sheet 23 are electrically connected and fixed to the second middle conductive contact 262 and the current input contact 11 of the high-side switch, respectively, and two ends of the current output connecting sheet 24 are electrically connected and fixed to the third external conductive contact 263 and the current output contact 12 of the high-side switch, respectively.
In this embodiment, the first through third outer conductive contacts and the first through fourth middle conductive contacts each include a shoulder stud 25A, and each shoulder stud 25A passes through the mounting bracket 1 and is fastened to the mounting bracket 1 by a nut 4.
Both ends of pre-heater safety piece 21 are equipped with first through-hole 211 respectively, and first through-hole 211 is used for supplying the shoulder stud that corresponds to pass, and the both ends of pre-heater safety piece 21 overlap respectively and locate shoulder stud of the shoulder stud of first middle conductive joint 261 and the shoulder stud of the middle conductive joint 262 of second and fix through nut 4. Two ends of the starter safety disc 22 are respectively provided with a second through hole 222, the second through hole 222 is used for a corresponding shoulder stud bolt to pass through, and two ends of the starter safety disc 22 are respectively sleeved on the shoulder stud bolt of the third middle conductive joint 263 and the shoulder stud bolt of the fourth middle conductive joint 264 and are fixed through a nut 4.
Further, the mounting bracket assembly 2 includes a three-hole conductive pad 27 and a two-hole conductive pad 28. The three-hole conductive gasket is respectively sleeved and fixed on the shoulder stud bolts of the first external conductive connector 251, the first middle conductive connector 261 and the fourth middle conductive connector 264 through nuts 4, so that the first external conductive connector 251, the first middle conductive connector 261 and the fourth middle conductive connector 264 are electrically connected. The double-hole conductive gasket 28 is sleeved and fixed to the shoulder studs of the second external conductive contact 252 and the third middle conductive contact 263 by nuts 4, respectively, so that the second external conductive contact 252 is electrically connected to the third middle conductive contact 263.
In the present embodiment, the pre-heater fuse 21 and the starter fuse 22 are disposed on the top surface of the mounting bracket 20, and the three-hole conductive gasket 27 and the two-hole conductive gasket 28 are disposed on the bottom surface of the mounting bracket 20.
The high side switch assembly includes a top cover 291, and the top cover 291 is connected to the top surface of the mounting bracket 20 to cover the pre-heater fuse 21, the starter fuse 22, and the first to fourth intermediate conductive contacts. Wherein the top cover 291 includes an upper cover 2911 and a peripheral side wall 2912, a lower end of the peripheral side wall 2912 is connected to the top surface of the mounting bracket 20, the upper cover 2911 is detachably connected to the peripheral side wall 2912, and upper ends of the pre-heater fuse 21, the starter fuse 22, and the first to fourth intermediate conductive contacts are located in a space defined by the upper cover 2911, the peripheral side wall 2912, and the top surface of the mounting bracket.
In the present embodiment, the current input terminal 11 and the current output terminal 12 of the high-side switch 1 each include a stud 11A. The two ends of the current input connecting sheet 23 are respectively provided with a third through hole 233, and the two ends of the current input connecting sheet 23 are respectively sleeved on the shoulder stud of the second middle conductive joint 262 and the stud of the current input joint 11 and fixed by nuts 4. The two ends of the current output connecting sheet 24 are respectively provided with a fourth through hole 244, and the two ends of the current output connecting sheet 24 are respectively sleeved on the shoulder stud of the third external conductive connector 253 and the stud of the current output connector 12 and fixed by nuts 4.
In this embodiment, the high-side switch 1 is located below the mounting bracket 20. The high-side switch 1 includes a heat dissipation bracket 1B. The high side switch assembly comprises a side cover 3, and the side cover 3 is detachably connected with the heat dissipation bracket 1B to cover the current input connecting sheet 23, the current output connecting sheet 24, the current input connector 11 and the current output connector 12. Optionally, the heat dissipation bracket 1B is made of aluminum.
In this embodiment, the opening of the control signal interface 13 faces upward. The control signal interface 13 includes a plastic housing 131 and a plurality of pins 132 disposed in the plastic housing.
In the high-side switch assembly, the high-side switch, the pre-heater safety piece and the starter safety piece are integrated on the same mounting bracket, so that the structure is more compact compared with the prior art, the volume and the weight of a product are reduced, and the cost is reduced; meanwhile, as the wire harness connection is not adopted, the generation of intermediate resistance is avoided, so that the current loss is reduced, and the use safety of the product is improved.
In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A high-side switch assembly integrating a pre-heater safety piece and a starter safety piece comprises a high-side switch, wherein the high-side switch comprises a current input connector and a current output connector, and the high-side switch assembly is characterized by comprising an installation support assembly;
the mounting bracket assembly comprises a mounting bracket, a preheater safety piece, a starter safety piece, a current input connecting piece, a current output connecting piece, a first external conductive connector, a second external conductive connector, a third external conductive connector, a first middle conductive connector, a second middle conductive connector, a third middle conductive connector and a fourth middle conductive connector; the first to third external conductive joints and the first to fourth middle conductive joints are respectively fixed on the mounting bracket;
two ends of the pre-heater safety piece are respectively and electrically connected and fixed to the first middle conductive joint and the second middle conductive joint, and two ends of the starter safety piece are respectively and electrically connected and fixed to the third middle conductive joint and the fourth middle conductive joint; said first outer conductive contact, said first intermediate conductive contact and said fourth intermediate conductive contact are electrically connected, and said second outer conductive contact is electrically connected to said third intermediate conductive contact; and two ends of the current output connecting sheet are respectively and electrically connected and fixed with the third external conductive joint and the current output joint of the high-side switch.
2. The integrated pre-heater and starter fuse high side switch assembly according to claim 1, wherein the mounting bracket assembly comprises a three-hole conductive gasket and a two-hole conductive gasket;
the three-hole conductive gasket is respectively sleeved and fixed on the first external conductive joint, the first middle conductive joint and the fourth middle conductive joint so as to electrically connect the first external conductive joint, the first middle conductive joint and the fourth middle conductive joint;
the double-hole conductive gasket is respectively sleeved and fixed on the second external conductive connector and the third middle conductive connector so as to enable the second external conductive connector to be electrically connected with the third middle conductive connector.
3. A high side switch assembly of an integrated pre-heater fuse and starter fuse as claimed in claim 2 wherein the pre-heater fuse and the starter fuse are disposed on a top surface of the mounting bracket and the three-hole conductive gasket and the two-hole conductive gasket are disposed on a bottom surface of the mounting bracket.
4. A high side switch assembly of an integrated pre-heater and starter fuse as claimed in any one of claims 1 to 3 wherein the first to third outer electrically conductive contacts and the first to fourth intermediate electrically conductive contacts each comprise a shouldered stud, each of the shouldered studs passing through the mounting bracket and being secured thereto by a nut.
5. The high side switch assembly of an integrated pre-heater safety disc and starter safety disc as claimed in claim 4, wherein the two ends of the pre-heater safety disc are respectively provided with a first through hole, the two ends of the pre-heater safety disc are respectively sleeved on the shoulder stud bolt of the first middle conductive joint and the shoulder stud bolt of the second middle conductive joint and fixed by nuts, the two ends of the starter safety disc are respectively provided with a second through hole, and the two ends of the starter safety disc are respectively sleeved on the shoulder stud bolt of the third middle conductive joint and the shoulder stud bolt of the fourth middle conductive joint and fixed by nuts.
6. The integrated pre-heater and starter rupture disc high side switch assembly as set forth in claim 4 wherein the current input connection and the current output connection of the high side switch each comprise a stud;
the two ends of the current input connecting sheet are respectively provided with a third through hole, and the two ends of the current input connecting sheet are respectively sleeved on the shoulder stud of the second middle conductive joint and the stud of the current input joint and are fixed through nuts; and the two ends of the current output connecting sheet are respectively provided with a fourth through hole, and the two ends of the current output connecting sheet are respectively sleeved on the shoulder stud of the third external conductive connector and the stud of the current output connector and are fixed through nuts.
7. A high side switch assembly of an integrated pre-heater fuse and starter fuse as claimed in claim 1, wherein said high side switch assembly includes a top cover attached to a top surface of said mounting bracket to cover said pre-heater fuse, said starter fuse and first through fourth intermediate conductive contacts.
8. A pre-heater and starter fuse integrated high side switch assembly as claimed in claim 1 wherein said high side switch is located below said mounting bracket.
9. The integrated pre-heater and starter rupture disc high side switch assembly of claim 8, wherein the high side switch includes a heat sink bracket;
the high-side switch assembly comprises a side cover, and the side cover is detachably connected with the heat dissipation support to cover the current input connecting sheet, the current output connecting sheet, the current input connector and the current output connector.
10. The integrated pre-heater and starter rupture disc high side switch assembly according to claim 1 or 8, wherein the high side switch comprises a control signal interface with an opening facing upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120245417.XU CN214226768U (en) | 2021-01-28 | 2021-01-28 | High-side switch assembly integrated with safety piece of preheater and safety piece of starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120245417.XU CN214226768U (en) | 2021-01-28 | 2021-01-28 | High-side switch assembly integrated with safety piece of preheater and safety piece of starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214226768U true CN214226768U (en) | 2021-09-17 |
Family
ID=77693197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120245417.XU Active CN214226768U (en) | 2021-01-28 | 2021-01-28 | High-side switch assembly integrated with safety piece of preheater and safety piece of starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214226768U (en) |
-
2021
- 2021-01-28 CN CN202120245417.XU patent/CN214226768U/en active Active
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