Ignition resistor assembly and vehicle-mounted ignition device

Abstract

This application provides an ignition resistor assembly and a vehicle ignition device. The ignition resistor assembly includes a ceramic housing, a resistor element, a clamping bracket, and leads. The ceramic housing has a receiving groove. The resistor element is received in the receiving groove. When the resistor element is received in the receiving groove, the receiving groove is completely filled with silica sand resin filler. The resistor element contacts the ceramic housing through the silica sand resin filler and exchanges heat with the ceramic housing. The clamping bracket has multiple clamping arms and a fixing arm. The multiple clamping arms are distributed at different positions on the clamping bracket and jointly clamp the ceramic housing. The multiple clamping arms clamp the ceramic housing along different directions, so that the clamping bracket clamps the ceramic housing. The clamping bracket is fixed to the mounting part of the vehicle ignition device through the fixing arm. This allows the ceramic housing to be connected to the mounting part of the vehicle ignition device through the clamping bracket, thereby facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance of the ignition resistor assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle ignition devices, and in particular to an ignition resistor assembly and a vehicle ignition device. Background Technology

[0002] With the development of technology, automotive ignition systems are used in automobiles. These systems ignite the air-fuel mixture at the appropriate time and deliver it to the cylinders to produce explosive combustion. Ignition resistor assemblies are part of these systems. In existing technology, conventional ignition resistor assemblies consist of a ceramic housing and a resistor element housed within the ceramic housing. However, the connection between the ceramic housing and the mounting portion of the automotive ignition system results in poor vibration resistance in existing ignition resistor assemblies. Utility Model Content

[0003] The purpose of this utility model is to provide an ignition resistor assembly and a vehicle ignition device. The ceramic housing has a receiving groove; the ceramic housing is square; the resistor is located inside the ceramic housing and housed in the receiving groove; when the resistor is housed in the receiving groove, the receiving groove is completely filled with silica sand resin filler, and the silica sand resin filler positions the resistor; the resistor contacts the ceramic housing through the silica sand resin filler and exchanges heat with the ceramic housing; the clamping bracket has multiple clamping arms and fixing arms, the multiple clamping arms are distributed at different positions on the clamping bracket and together clamp the ceramic housing; the multiple clamping arms... The ceramic housing is clamped in different directions, allowing the clamping bracket to hold the ceramic housing. The clamping bracket is fixed to the mounting part of the vehicle ignition device via a fixed support arm. The lead-out end passes through the ceramic housing, with one end electrically connected to a resistor and the other end exposed on the outside of the ceramic housing. The other end of the lead-out end is connected to a connector, which connects to the docking end of the vehicle ignition device. This allows the ceramic housing to be connected to the mounting part of the vehicle ignition device via the clamping bracket, facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance of the ignition resistor assembly.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an ignition resistor assembly, applied to an automotive ignition device, the ignition resistor assembly comprising: The ceramic outer shell has a receiving groove; the ceramic outer shell is a square shell. A resistor is located within the ceramic housing and housed in the receiving groove. When the resistor is housed in the receiving groove, the receiving groove is completely filled with silica sand resin filler, and the resistor is positioned by the silica sand resin filler. The resistor contacts the ceramic housing through the silica sand resin filler and exchanges heat with the ceramic housing. The clamping bracket is provided with multiple clamping arms and a fixing arm. The multiple clamping arms are distributed at different positions on the clamping bracket and together clamp the ceramic shell. The multiple clamping arms clamp the ceramic shell along different directions, so that the clamping bracket clamps the ceramic shell. The clamping bracket is fixed to the mounting part of the vehicle ignition device by the fixing arm. The lead-out end passes through the ceramic housing. One end of the lead-out end is electrically connected to the resistor, and the other end of the lead-out end is exposed on the outside of the ceramic housing. The other end of the lead-out end is connected to a connector, and the other end of the lead-out end is connected to the docking terminal of the vehicle ignition device through the connector.

[0005] Optionally, the clamping bracket further includes a bracket body, which connects multiple clamping arms and fixed arms, with the multiple clamping arms and fixed arms distributed at different positions on the bracket body. The fixed support arm is fixedly connected to the mounting part of the vehicle ignition device.

[0006] Optionally, the fixed support arm extends outward from the right side wall of the support body and is located outside the plurality of clamping arms; The fixed support arm is provided with a through hole for a screw to pass through, and the screw passes through the through hole and is screwed to the mounting part of the vehicle ignition device.

[0007] Optionally, the fixed support arm has a bent end at one end away from the main body of the bracket. The bent end is bent downward from one end of the fixed support arm and inserted into the positioning groove of the vehicle ignition device.

[0008] Optionally, multiple clamping arms are connected to the same bracket body and arranged opposite to each other. The multiple clamping arms arranged opposite to each other are combined with the bracket body to form a clamping groove and clamp the opposite side walls of the ceramic shell.

[0009] Optionally, a limiting arm is provided at one end of the clamping arm that is away from the main body of the bracket. The limiting arm is bent from one end of the clamping arm in the left-right direction and presses against the upper side wall of the ceramic shell to limit the ceramic shell.

[0010] Optionally, the left and right sides of the ceramic shell are clamped by the corresponding clamping arms, the upper side wall of the ceramic shell is limited by the limiting arm, and the lower side wall of the ceramic shell is supported by the bracket body.

[0011] Optionally, the lead-out end is a high-temperature and high-pressure wire, and the connector is a bayonet or a ring, capable of connecting to the docking end of the vehicle ignition device.

[0012] Optionally, the resistor frame of the resistor element is a ceramic rod, which is connected to the corresponding resistor element.

[0013] To achieve the above objectives, this utility model provides the following technical solution: a vehicle ignition device, including the aforementioned ignition resistor assembly.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an ignition resistor assembly and a vehicle ignition device. The ceramic housing has a receiving groove; the ceramic housing is square; the resistor is located inside the ceramic housing and housed in the receiving groove; when the resistor is housed in the receiving groove, the receiving groove is completely filled with silica sand resin filler, which positions the resistor; the resistor contacts the ceramic housing through the silica sand resin filler and exchanges heat with the ceramic housing; the clamping bracket has multiple clamping arms and fixing arms, the multiple clamping arms are distributed at different positions on the clamping bracket and together clamp the ceramic housing; the multiple clamping arms move along different... The ceramic housing is clamped in a directional manner, allowing the clamping bracket to hold the ceramic housing. The clamping bracket is fixed to the mounting part of the vehicle ignition device via a fixed support arm. A lead-out end passes through the ceramic housing, with one end electrically connected to a resistor and the other end exposed on the outside of the ceramic housing. The other end of the lead-out end is connected to a connector, which connects to the docking end of the vehicle ignition device. This allows the ceramic housing to be connected to the mounting part of the vehicle ignition device via the clamping bracket, facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance of the ignition resistor assembly. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0017] Figure 1 A front view of an ignition resistor assembly according to an embodiment of this application is shown.

[0018] Figure 2 A side view of an ignition resistor assembly according to an embodiment of this application is shown.

[0019] Figure 3 A top view of an ignition resistor assembly according to an embodiment of this application is shown.

[0020] Figure 4 A schematic diagram showing the connection between the ceramic housing and the resistor element of an ignition resistor assembly according to an embodiment of this application is shown.

[0021] Figure Labels 100. Ignition resistor assembly; 10. Ceramic outer shell; 10a. Receiving groove; 20. Resistor components; 30. Clamping bracket; 31. Clamping arm; 31a. Clamping groove; 311. Limiting arm; 32. Fixing arm; 32a. Through hole; 321. Bent end; 33. Bracket body; 40. Lead-out end; 41. Connector. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0023] Please refer to the attached document. Figures 1-4 This application provides an ignition resistor assembly 100, which is applied to an in-vehicle ignition device and is used to connect to the mounting part of the in-vehicle ignition device.

[0024] Please refer to the attached document. Figures 1-4In this embodiment, the ignition resistor assembly 100 includes a ceramic housing 10, a resistor 20, a clamping bracket 30, and a lead-out terminal 40. The ceramic housing 10 is provided with a receiving groove 10a; the ceramic housing 10 is a square housing; the resistor 20 is located inside the ceramic housing 10 and is accommodated in the receiving groove 10a; when the resistor 20 is accommodated in the receiving groove 10a, the receiving groove 10a is completely filled with silica sand resin filler, and the resistor 20 is positioned by the silica sand resin filler; the resistor 20 contacts the ceramic housing 10 through the silica sand resin filler and exchanges heat with the ceramic housing 10; the clamping bracket 30 is provided with multiple clamping arms 31 and fixing arms 32, the multiple clamping arms 31 are distributed at different positions of the clamping bracket 30, and together clamp the ceramic housing 10. The ceramic housing 10 is formed by multiple clamping arms 31 clamping the ceramic housing 10 in different directions, such that the clamping bracket 30 clamps the ceramic housing 10. The clamping bracket 30 is fixed to the mounting part of the vehicle ignition device by a fixing arm 32. The lead-out end 40 passes through the ceramic housing 10. One end of the lead-out end 40 is electrically connected to the resistor 20, and the other end of the lead-out end 40 is exposed on the outside of the ceramic housing 10. The other end of the lead-out end 40 is connected to the connector 41, and the other end of the lead-out end 40 is connected to the docking end of the vehicle ignition device by the connector 41, so that the ceramic housing 10 can be connected to the mounting part of the vehicle ignition device by the clamping bracket 30, thereby facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance of the ignition resistor assembly 100.

[0025] Please refer to the attached document. Figures 1-4 In this embodiment of the application, the ceramic shell 10 is provided with a receiving groove 10a; the receiving groove 10a serves as the internal space of the ceramic shell 10, and the ceramic shell 10 is a square shell.

[0026] The resistor 20 is located inside the ceramic housing 10 and accommodated in the receiving groove 10a, so that the resistor 20 can make full use of the space in the receiving groove 10a. When the resistor 20 is accommodated in the receiving groove 10a, the receiving groove 10a is completely filled with silica sand resin filler, and the silica sand resin filler positions the resistor 20, so as to limit the position of the resistor 20 and ensure the positional accuracy of the resistor 20. The resistor 20 contacts the ceramic housing 10 through the silica sand resin filler and exchanges heat with the ceramic housing 10, so as to dissipate heat from the resistor 20.

[0027] The clamping bracket 30 is provided with multiple clamping arms 31 and fixed arms 32. The multiple clamping arms 31 are distributed at different positions of the clamping bracket 30 and together clamp the ceramic housing 10. The multiple clamping arms 31 clamp the ceramic housing 10 along different directions, so that the clamping bracket 30 clamps the ceramic housing 10. The clamping bracket 30 is fixed to the mounting part of the vehicle ignition device through the fixed arms 32. This allows the ceramic housing 10 to be connected to the mounting part of the vehicle ignition device through the clamping bracket 30, thereby facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance of the ignition resistor assembly 100.

[0028] The lead-out end 40 passes through the ceramic housing 10. One end of the lead-out end 40 is electrically connected to the resistor 20, and the other end of the lead-out end 40 is exposed on the outside of the ceramic housing 10. The other end of the lead-out end 40 is connected to the connector 41. The other end of the lead-out end 40 is connected to the docking terminal of the vehicle ignition device through the connector 41, so that the resistor 20 can be connected to the docking terminal of the vehicle ignition device through the lead-out end 40.

[0029] Please refer to the attached document. Figures 1-3 In this embodiment, the clamping bracket 30 is further provided with a bracket body 33, which connects multiple clamping arms 31 and fixed arms 32. The multiple clamping arms 31 and fixed arms 32 are distributed at different positions on the bracket body 33 so that the multiple clamping arms 31 can be connected to the fixed arms 32 through the bracket body 33. The fixed arms 32 are fixedly connected to the mounting part of the vehicle ignition device so that the clamping bracket 30 can be connected to the mounting part of the vehicle ignition device through the fixed arms 32, thus ensuring the stability of the ceramic housing 10 relative to the mounting part of the vehicle ignition device.

[0030] Please refer to the attached document. Figures 1-3 In this embodiment, the fixed support arm 32 extends outward from the right side wall of the bracket body 33 and is located outside the plurality of clamping arms 31; so that the plurality of clamping arms 31 can extend to the mounting part of the vehicle ignition device through the fixed support arm 32. The fixed support arm 32 is provided with a through hole 32a, which is used for screws to pass through. The screws pass through the through hole 32a and are screwed to the mounting part of the vehicle ignition device, so that the fixed support arm 32 and the mounting part of the vehicle ignition device can be locked together by the screws, thus ensuring the connection stability between the clamping bracket 30 and the mounting part of the vehicle ignition device.

[0031] Please refer to the attached document. Figures 1-3In this embodiment, the fixed support arm 32 has a bent end 321 at one end away from the bracket body 33. The bent end 321 is bent downward from one end of the fixed support arm 32 and inserted into the positioning groove of the vehicle ignition device. The through hole 32a is arranged relative to the bent end 321, which ensures the positional accuracy of the fixed support arm 32 and the vehicle ignition device and improves the installation convenience of the fixed support arm 32 relative to the vehicle ignition device.

[0032] Please refer to the attached document. Figures 1-3 In this embodiment, multiple clamping arms 31 are connected to the same support body 33 and arranged opposite to each other. The multiple clamping arms 31 arranged opposite to each other, together with the support body 33, form a clamping groove 31a and clamp the two opposite side walls of the ceramic shell 10 so that the ceramic shell 10 can be accommodated in the clamping groove 31a. This makes it easier for the inner side wall of the clamping groove 31a to restrict the position of the ceramic shell 10 and ensure the stability of the ceramic shell 10.

[0033] Please refer to the attached document. Figures 1-3 In this embodiment, a limiting arm 311 is provided at one end of the clamping arm 31 that is away from the support body 33. The limiting arm 311 is bent in the left-right direction from one end of the clamping arm 31 and presses against the upper side wall of the ceramic shell 10 to limit the ceramic shell 10. The left and right sides of the ceramic shell 10 are clamped by the corresponding clamping arms 31, and the upper side wall of the ceramic shell 10 is limited by the limiting arm 311. The lower side wall of the ceramic shell 10 is supported by the support body 33 so that the ceramic shell 10 is restricted on all sides, which further improves the stability of the ceramic shell 10 and further improves the vibration resistance of the ignition resistor assembly 100.

[0034] Please refer to the attached document. Figures 1-4 In this embodiment, the lead-out end 40 is a high-temperature and high-voltage wire, and the connector 41 is a bayonet or a ring, which can be connected to the docking end of the vehicle ignition device so that the lead-out end 40 can be docked with the docking end of the vehicle ignition device through the bayonet or the ring, thus ensuring that the resistor 20 is electrically connected to the vehicle ignition device.

[0035] Please refer to the attached document. Figures 1-4 In this embodiment, the resistor frame of the resistor element 20 is a ceramic rod, which is connected to the corresponding resistor element so that the resistor element 20 can limit the flow of current in the resistor element and ensure that the current in the resistor element does not exceed the rated value.

[0036] In a second application embodiment, an on-board ignition device includes an ignition resistor assembly 100, which is part of the on-board ignition device for igniting a gas-fuel mixture at an appropriate time and delivering it to the cylinder to produce explosive combustion.

[0037] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an ignition resistor assembly 100 and a vehicle ignition device. A ceramic housing 10 has a receiving groove 10a; the ceramic housing 10 is a square housing; a resistor 20 is located inside the ceramic housing 10 and is housed in the receiving groove 10a; when the resistor 20 is housed in the receiving groove 10a, the receiving groove 10a is completely filled with silica sand resin filler, and the silica sand resin filler positions the resistor 20; the resistor 20 contacts the ceramic housing 10 through the silica sand resin filler and exchanges heat with the ceramic housing 10; a clamping bracket 30 has multiple clamping arms 31 and fixing arms 32, the multiple clamping arms 31 are distributed at different positions of the clamping bracket 30 and together clamp the ceramic housing 10; the multiple clamping arms 31... 1. The ceramic housing 10 is clamped along different directions, so that the clamping bracket 30 clamps the ceramic housing 10; the clamping bracket 30 is fixed to the mounting part of the vehicle ignition device by the fixed support arm 32; the lead end 40 passes through the ceramic housing 10, one end of the lead end 40 is electrically connected to the resistor 20, the other end of the lead end 40 is exposed on the outside of the ceramic housing 10, the other end of the lead end 40 is connected to the connector 41, and the other end of the lead end 40 is connected to the docking end of the vehicle ignition device through the connector 41, so that the ceramic housing 10 can be connected to the mounting part of the vehicle ignition device through the clamping bracket 30, thereby facilitating safe and secure installation in the mounting part of the vehicle ignition device and improving the vibration resistance effect of the ignition resistor assembly 100.

[0038] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0039] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0040] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. An ignition resistor assembly, characterized in that, The ignition resistor assembly, used in vehicle ignition systems, includes: The ceramic outer shell has a receiving groove; the ceramic outer shell is a square shell. A resistor is located inside the ceramic housing and housed in the receiving groove. When the resistor is housed in the receiving groove, the receiving groove is completely filled with silica sand resin filler, and the resistor is positioned by the silica sand resin filler. The resistor contacts the ceramic housing through the silica sand resin filler and exchanges heat with the ceramic housing. The clamping bracket is provided with multiple clamping arms and a fixing arm. The multiple clamping arms are distributed at different positions on the clamping bracket and together clamp the ceramic shell. The multiple clamping arms clamp the ceramic shell along different directions, so that the clamping bracket clamps the ceramic shell. The clamping bracket is fixed to the mounting part of the vehicle ignition device by the fixing arm. The lead-out end passes through the ceramic housing. One end of the lead-out end is electrically connected to the resistor, and the other end of the lead-out end is exposed on the outside of the ceramic housing. The other end of the lead-out end is connected to a connector, and the other end of the lead-out end is connected to the docking terminal of the vehicle ignition device through the connector.

2. The ignition resistor assembly according to claim 1, characterized in that, The clamping bracket also includes a bracket body, which connects multiple clamping arms and fixed arms, with the multiple clamping arms and fixed arms distributed at different positions on the bracket body; The fixed support arm is fixedly connected to the mounting part of the vehicle ignition device.

3. The ignition resistor assembly according to claim 2, characterized in that, The fixed support arm extends outward from the right side wall of the support body and is located outside the plurality of clamping arms; The fixed support arm is provided with a through hole for a screw to pass through, and the screw passes through the through hole and is screwed to the mounting part of the vehicle ignition device.

4. The ignition resistor assembly according to claim 3, characterized in that, The fixed support arm has a bent end at one end away from the main body of the bracket. The bent end is bent downward from one end of the fixed support arm and inserted into the positioning groove of the vehicle ignition device.

5. The ignition resistor assembly according to claim 2, characterized in that, Multiple clamping arms are connected to the same bracket body and arranged opposite to each other. The multiple clamping arms arranged opposite to each other are combined with the bracket body to form a clamping groove and clamp the opposite side walls of the ceramic shell.

6. The ignition resistor assembly according to claim 5, characterized in that, One end of the clamping arm away from the main body of the bracket is provided with a limiting arm. The limiting arm is bent from one end of the clamping arm in the left-right direction and presses against the upper side wall of the ceramic shell to limit the ceramic shell.

7. The ignition resistor assembly according to claim 6, characterized in that, The left and right sides of the ceramic shell are clamped by the corresponding clamping arms, the upper side of the ceramic shell is limited by the limiting arm, and the lower side of the ceramic shell is supported by the bracket body.

8. The ignition resistor assembly according to claim 7, characterized in that, The lead-out end uses a high-temperature and high-pressure wire, and the connector is a bayonet or a ring, which can be connected to the docking end of the vehicle ignition device.

9. The ignition resistor assembly according to claim 7, characterized in that, The resistor frame of the resistor is a ceramic rod, which is connected to the corresponding resistor element.

10. A vehicle-mounted ignition device, characterized in that, Includes the ignition resistor assembly as described in any one of claims 1 to 9.

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