CN213336538U - Terminal button assembly of temperature alarm sensor and temperature alarm sensor - Google Patents
Terminal button assembly of temperature alarm sensor and temperature alarm sensor Download PDFInfo
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- CN213336538U CN213336538U CN202021867426.4U CN202021867426U CN213336538U CN 213336538 U CN213336538 U CN 213336538U CN 202021867426 U CN202021867426 U CN 202021867426U CN 213336538 U CN213336538 U CN 213336538U
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- temperature alarm
- terminal
- sensor
- thermistor
- alarm sensor
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Abstract
The utility model relates to an engine accessories technical field specifically is a temperature alarm sensor's terminal button assembly and temperature alarm sensor. The terminal button assembly of the temperature alarm sensor comprises a terminal button, and a plurality of inserting pieces and connecting terminals which are arranged on the terminal button, wherein a fixing column for orienting a temperature alarm switch and a thermistor is also arranged at the end part of the terminal button; the plurality of the wiring terminals surround the fixing post. The utility model has the advantages that: can carry out welded fastening to temperature alarm switch and thermistor earlier in the convenient follow-up sensor assembling process, need not to reserve too much lead wire, then through addding the fixed column in order to orientate temperature alarm switch and thermistor to fix through heat shrinkage bush, make things convenient for follow-up sensor housing at the in-process of riveting, be difficult for pressing the broken lead wire, promoted production quality.
Description
Technical Field
The utility model relates to an engine accessories technical field specifically is a temperature alarm sensor's terminal button assembly and temperature alarm sensor.
Background
The coolant temperature alarm sensor is mainly used for measuring the temperature of the engine coolant. The device is arranged in a water jacket of an engine cylinder body or a cooling liquid pipeline, is contacted with cooling liquid and is used for detecting the temperature of the cooling liquid of the engine. When the temperature of the cooling liquid rises to a certain value, the temperature alarm sensor can generate a switching signal to the ECU or the instrument, and the real-time temperature of the cooling liquid is provided to the instrument by a resistance signal.
A cooling liquid temperature alarm sensor is an automobile engine driver composed of a temperature alarm switch and a thermistor, and in the existing production process technology, in order to avoid the position of the temperature switch from deviating, the temperature switch needs to be put into a sensor shell firstly, then leads of the temperature switch are welded with a sensor terminal button respectively, then the sensor terminal button is butted with the sensor shell, and finally the temperature alarm sensor is formed by riveting. The alarm sensor has the following problems in the production process:
1. in the process of welding the lead of the temperature switch and the terminal button, the welding space is small, the operation is relatively difficult, the efficiency is relatively low, and cold joint is easy to generate.
2. Many leads need be reserved in the welding process, and the back that finishes in the welding, need be with the lead wire distortion, just can be fixed the sensor casing with the end button in, at the riveting in-process, because the lead wire distortion, probably lead to solder joint department lead wire not hard up, also have certain lead wire pressure risk of breaking.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a temperature alarm sensor's terminal button assembly and temperature alarm sensor and solve above-mentioned sensor and appear the lead wire in process of production easily and press from both sides absolutely, reduced the production quality's of sensor problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a terminal assembly of a temperature alarm sensor comprises a terminal, and a plurality of insertion pieces and connection terminals which are arranged on the terminal, wherein a fixing column for orientation of a temperature alarm switch and a thermistor is also arranged at the end part of the terminal; the plurality of the wiring terminals surround the fixing post.
Further, the temperature alarm device further comprises a heat-shrinkable sleeve which is sleeved on the fixing column and used for wrapping the temperature alarm switch and the thermistor.
Further, the outer end face of the terminal button is provided with a sealing ring groove.
Furthermore, the terminal button is also provided with a grounding ring which is coaxially distributed with the fixed column.
The utility model has the advantages that: can carry out welded fastening to temperature alarm switch and thermistor earlier in the convenient follow-up sensor assembling process, need not to reserve too much lead wire, then through addding the fixed column in order to orientate temperature alarm switch and thermistor to fix through heat shrinkage bush, make things convenient for follow-up sensor housing at the in-process of riveting, be difficult for pressing the broken lead wire, promoted production quality.
A temperature alarm sensor comprises a temperature alarm switch, a thermistor, a sensor shell and a terminal button assembly of the temperature alarm sensor; the temperature alarm switch and the thermistor are fixedly arranged on the fixing column through a heat-shrinkable sleeve; the sensor shell is sleeved outside the temperature alarm switch, the thermistor and the fixing column and is fixedly connected with the terminal button.
Furthermore, a sealing ring is arranged in a sealing ring groove of the terminal button assembly of the temperature alarm sensor.
Further, the inner cavity of the sensor shell is filled with heat-conducting silicone grease.
The utility model has the advantages that: the sensor is compact in structure, the temperature alarm switch and the thermistor are fixed in advance through the terminal button assembly, the sensor shell is convenient to mount later, and the production quality and the production efficiency are improved.
Drawings
Fig. 1 is a schematic view of an internal structure in a first embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic structural diagram of another view angle in the first embodiment of the present invention;
fig. 4 is a schematic view of the terminal, the connecting terminal and the fixing column according to the present invention;
fig. 5 is a schematic view of an internal structure in the second embodiment of the present invention;
fig. 6 is a schematic external structural diagram according to a second embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the temperature alarm switch comprises a terminal button, 101, an inserting piece, 102, a wiring terminal, 103, a sealing ring groove, 2, a fixing column, 3, a heat-shrinkable sleeve, 4, a temperature alarm switch, 5, a thermistor, 6, a sensor shell, 7, a grounding ring, 8 and a sealing ring.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model also provides an preferred embodiment
Example one
As shown in fig. 1-4, the terminal assembly of a temperature alarm sensor according to the present invention includes a terminal 1, and a plurality of insert pieces 101 and a connection terminal 102 disposed on the terminal 1, wherein each insert piece 101 is correspondingly electrically connected to one connection terminal 102; the end part of the terminal button 1 is also provided with a fixed column 2 for orientation of a temperature alarm switch and a thermistor; a plurality of the terminals 102 surround the fixing post 2 to facilitate welding with a lead; a sealing ring groove 103 is formed in the outer end face of the terminal button 1, a sealing ring 8 is arranged in the sealing ring groove 103, and the sealing performance of the whole sensor is improved by connecting the sealing ring 8 with a port of the sensor shell 6; still be equipped with the ground ring 7 with the coaxial distribution of fixed column 2 on the terminal button 1, ground ring 7 crimping is on sealing washer 8.
In this embodiment, the terminal assembly of the temperature alarm sensor further includes a heat shrinkable tube 3 sleeved on the fixing column 2 and used for covering the temperature alarm switch and the thermistor. The lead wires of the temperature alarm switch and the thermistor are respectively welded with the corresponding wiring terminals 102 in the assembling process, and the welding process only needs to ensure proper lead wire length and does not need to reserve excessive lead wires, so that the rapid welding is convenient, and the risk of damaging the lead wires when the sensor shell is subsequently riveted is reduced; after welding, the temperature alarm switch and the thermistor are oriented along the fixing column 2 and are fixed on the fixing column 2 through the heat shrinkage sleeve 3 by means of heat shrinkage, and then the whole terminal button assembly can be installed.
Example two
As shown in fig. 5 and 6, a temperature alarm sensor comprises a temperature alarm switch 4, a thermistor 5, a sensor housing 6, and a terminal assembly of the temperature alarm sensor; the temperature alarm switch 4 and the thermistor 5 are fixedly arranged on the fixed column 2 through the heat-shrinkable sleeve 3; the sensor shell 6 is sleeved outside the temperature alarm switch 4, the thermistor 5 and the fixing column 2, and the sensor shell 6 is riveted on the terminal button 1, so that the whole temperature alarm sensor is assembled.
It should be noted that, in the process of installing the sensor housing 6, the cavity of the sensor housing 6 needs to be filled with heat-conducting silicone grease, so as to ensure the heat-conducting property of the whole sensor, and to accurately detect the temperature of the cooling liquid.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A terminal assembly of a temperature alarm sensor comprises a terminal (1), and a plurality of insertion pieces (101) and wiring terminals (102) which are arranged on the terminal (1), and is characterized in that the end part of the terminal (1) is also provided with a fixing column (2) for a temperature alarm switch and thermistor orientation; the plurality of wiring terminals (102) surround the fixing post (2).
2. The terminal assembly of the temperature alarm sensor according to claim 1, further comprising a heat shrinkable sleeve (3) sleeved on the fixing post (2) and used for covering the temperature alarm switch and the thermistor.
3. The terminal knob assembly of the temperature alarm sensor according to claim 1, wherein the outer end surface of the terminal knob (1) is provided with a sealing ring groove (103).
4. The terminal assembly of the temperature alarm sensor according to claim 1, wherein the terminal (1) is further provided with a grounding ring (7) coaxially distributed with the fixing pillar (2).
5. A temperature alarm sensor comprising a temperature alarm switch (4), a thermistor (5) and a sensor housing (6), characterized by further comprising a terminal assembly of the temperature alarm sensor according to any of claims 1-4; the temperature alarm switch (4) and the thermistor (5) are fixedly arranged on the fixed column (2); the sensor shell (6) is sleeved outside the temperature alarm switch (4), the thermistor (5) and the fixing column (2) and is fixedly connected with the terminal button (1).
6. The temperature alarm sensor according to claim 5, wherein the inner cavity of the sensor housing (6) is filled with a thermally conductive silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867426.4U CN213336538U (en) | 2020-08-31 | 2020-08-31 | Terminal button assembly of temperature alarm sensor and temperature alarm sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867426.4U CN213336538U (en) | 2020-08-31 | 2020-08-31 | Terminal button assembly of temperature alarm sensor and temperature alarm sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336538U true CN213336538U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021867426.4U Active CN213336538U (en) | 2020-08-31 | 2020-08-31 | Terminal button assembly of temperature alarm sensor and temperature alarm sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336538U (en) |
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2020
- 2020-08-31 CN CN202021867426.4U patent/CN213336538U/en active Active
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