CN202903362U - Temperature warning sensor - Google Patents
Temperature warning sensor Download PDFInfo
- Publication number
- CN202903362U CN202903362U CN 201220623891 CN201220623891U CN202903362U CN 202903362 U CN202903362 U CN 202903362U CN 201220623891 CN201220623891 CN 201220623891 CN 201220623891 U CN201220623891 U CN 201220623891U CN 202903362 U CN202903362 U CN 202903362U
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- sensor
- terminal
- temperature
- warning
- temperature warning
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Abstract
The utility model relates to a temperature warning sensor, and belongs to the technical field of temperature sensors. The temperature warning sensor mainly solves problems that welding technology of an existing temperature warning sensor is complex, assembling difficulty is high, and a problem of faulty soldering. Main characteristic of the temperature warning sensor is that the temperature warning sensor comprising a housing, heat-conducting silicone grease, a terminal, a magnetic-sensing switch, a thermistor, seal rings, an earth lead, a warning insertion, and a rain-proof plug. The temperature warning sensor is characterized by also comprising a ground ring, a sensor insertion, a heat-shrinkable T bush. The terminal, the sensor insertion, the warning insertion, the ground ring, the earth lead, the seal rings, the thermistor, and the magnetic-sensing switch form a terminal switch assembly. The thermistor is welded on top of the sensor insertion. The heat-shrinkable T bush is sleeved outside a joint part of the earth lead and the ground ring. The temperature warning sensor is characterized by accurate measurement and warning, high reliability, long service life and maintenance-free. The temperature warning sensor is mainly used for measuring automobile engine coolant temperature.
Description
Technical field
The utility model belongs to the temperature warning sensor technical field.Be specifically related to a kind of temperature warning sensor for measuring engine coolant temperature.
Background technology
Temperature warning sensor is mainly used to measure engine coolant temperature.When coolant temperature was elevated to certain value, temperature warning sensor can produce a switching signal to ECU or instrument, and the real time temperature of liquid coolant is offered instrument with resistance signal.The actuating medium of temperature warning sensor is mainly motor vehicle antifreeze fluid, and long-term operating temperature range is at 80 ℃-110 ℃.Mounting means is generally bottom or the sidepiece of motor car engine and installs.Europe three dischargings and (waste gas recovery) arrival of refrigeratory have driven the demand of New temperature alarm sensor.Present temperature warning sensor mainly is comprised of thermistor and magnet-sensitive switch, thermistor is used for Real-time Measuring water gaging temperature, when water temperature arrives the tolerance limit scope, closed or the disconnection of magnet-sensitive switch meeting, instrument or ECU make corresponding measure after receiving its signal, but the welding technology of thermistor and magnet-sensitive switch is difficult to guarantee that it is low to make efficient, causes hazard rate high.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of can avoid the temperature warning sensor that welding technology is complicated, assembling is difficult for above-mentioned weak point.
Technical solution of the present utility model is: a kind of temperature warning sensor, comprise housing, heat-conducting silicone grease, terminal, magnet-sensitive switch, thermistor, O-ring seal, earth lead, warning inserted sheet and rainproof plug, it is characterized in that: also comprise ground loop, sensor inserted sheet, heat-shrinkable T bush; Described terminal, sensor inserted sheet, warning inserted sheet, ground loop, earth lead, O-ring seal, thermistor and magnet-sensitive switch form the terminal switch assembly; Described thermistor is welded on the top of sensing inserted sheet; Heat-shrinkable T bush is sleeved on the outside of earth lead and ground loop connecting portion.
Open slot is arranged at the terminal bottom described in the technical solution of the present utility model, and the welding protuberance of ground loop is stuck in the open slot of terminal.
The utility model is owing to adopt by housing, heat-conducting silicone grease, terminal, magnet-sensitive switch, thermistor, O-ring seal, earth lead, ground loop, the sensor inserted sheet, heat-shrinkable T bush, the temperature warning sensor that warning inserted sheet and rainproof plug consist of, wherein, terminal, the sensor inserted sheet, the warning inserted sheet, ground loop, earth lead, O-ring seal, thermistor and magnet-sensitive switch form the terminal switch assembly, thermistor is welded on the top of sensing inserted sheet, heat-shrinkable T bush is sleeved on the outside of earth lead and ground loop connecting portion, with form the utility model behind the housing flange, inject an amount of heat-conducting silicone grease in enclosure interior, strengthen thermistor, magnet-sensitive switch is with the thermal conductivity between the housing.After the utility model temperature warning sensor was loaded on the car engine motor spindle, liquid coolant contacted with copper shell, and temperature is passed to heat-conducting silicone grease by housing, and then reaches magnet-sensitive switch and thermistor, realized sensing and warning function.The utility model has overcome thermistor, magnet-sensitive switch assembling difficulty, the difficult points such as welding technology complexity, have measurement, report to the police accurately, reliability is high, long service life and non-maintaining characteristics, is a kind of New temperature alarm sensor that meets Europe trimotor standard.The utility model is mainly used in measuring the measured automobiles engine coolant temperature.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is terminal switch assembly synoptic diagram of the present utility model.
Fig. 3 is the utility model terminal assembly synoptic diagram.
Fig. 4 is the utility model terminal assembly schematic cross-section.
Embodiment
As shown in Figure 1.The utility model temperature warning sensor is made of housing 1, thermistor 2, heat-conducting silicone grease 3, earth lead 4, magnet-sensitive switch 5, warning inserted sheet 6, heat-shrinkable T bush 7, ground loop 8, O-ring seal 9, sensor inserted sheet 10, terminal 11 and rainproof plug 12.Wherein terminal 11, sensor inserted sheet 10 and warning inserted sheet 6 form terminal assembly (as shown in Figure 3), adopt pb-free solder at the top of sensor inserted sheet 10 thermistor 2 again, magnet-sensitive switch 5 one ends are welded on the thermistor, the other end is welded on the warning inserted sheet 6, ground wire one end is welded on the thermistor, cover heat-shrinkable T bush 7 after 8 welding of the other end and ground loop, avoids ground wire to contact with the warning inserted sheet.After terminal 11 is installed O-ring seal 9, ground loop 8 is stuck in composition terminal switch assembly (as shown in Figure 2) on the terminal 11.Behind housing 1 interior filling heat-conductive silicone grease 3, the terminal switch assembly is assemblied in housing 1 the inside, link together after pressing through flange, can make like this ground loop 8 and housing 1 conducting.
As shown in Figure 2.Form the terminal switch assembly by terminal 11, sensor inserted sheet 10, warning inserted sheet 6, ground loop 8, earth lead 4, O-ring seal 9, thermistor 2 and magnet-sensitive switch 5, essence is the top that thermistor 2 is welded on sensor inserted sheet 10, above-mentioned part is formed an assembly, be convenient to assembling, reduce rosin joint, the terminal switch assembly is critical piece of the present utility model, has determined its performance.
As shown in Figure 3.Form the terminal assembly by terminal 11, sensor inserted sheet 10 and warning inserted sheet 6.Sensor inserted sheet 10 is longer, reaches the bottom of sensor housing 1.
As shown in Figure 4.Terminal 11 bottom surfaces are provided with open slot 13, and the welding protuberance after ground loop 8 and earth lead 4 welding is stuck in the open slot 13 of terminal 11.
Claims (2)
1. temperature warning sensor, comprise housing (1), thermistor (2), heat-conducting silicone grease (3), earth lead (4), magnet-sensitive switch (5), warning inserted sheet (6), O-ring seal (9), terminal (11) and rainproof plug (12), it is characterized in that: also comprise ground loop (8), sensor inserted sheet (10), heat-shrinkable T bush (7); Described terminal (11), sensor inserted sheet (10), warning inserted sheet (6), ground loop (8), earth lead (4), O-ring seal (9), thermistor (2) and magnet-sensitive switch (5) form the terminal switch assembly; Described thermistor (2) is welded on the top of sensing inserted sheet (10); Heat-shrinkable T bush (7) is sleeved on the outside of earth lead (4) and ground loop (8) connecting portion.
2. temperature warning sensor according to claim 1, it is characterized in that: open slot (13) is arranged at described terminal (11) bottom, and it is inner that the welding protuberance of ground loop (8) is stuck in the open slot (13) of terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623891 CN202903362U (en) | 2012-11-23 | 2012-11-23 | Temperature warning sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623891 CN202903362U (en) | 2012-11-23 | 2012-11-23 | Temperature warning sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903362U true CN202903362U (en) | 2013-04-24 |
Family
ID=48124021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623891 Expired - Fee Related CN202903362U (en) | 2012-11-23 | 2012-11-23 | Temperature warning sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903362U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382879A (en) * | 2013-07-18 | 2013-11-06 | 芜湖东方汽车仪表有限公司 | Water temperature sensing alarm |
| CN107045372A (en) * | 2016-10-22 | 2017-08-15 | 钟贵洪 | A kind of thermal switch |
| US20170335751A1 (en) * | 2016-05-18 | 2017-11-23 | Ford Global Technologies, Llc | Monitoring engine coolant |
-
2012
- 2012-11-23 CN CN 201220623891 patent/CN202903362U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382879A (en) * | 2013-07-18 | 2013-11-06 | 芜湖东方汽车仪表有限公司 | Water temperature sensing alarm |
| US20170335751A1 (en) * | 2016-05-18 | 2017-11-23 | Ford Global Technologies, Llc | Monitoring engine coolant |
| CN107401448A (en) * | 2016-05-18 | 2017-11-28 | 福特环球技术公司 | Monitoring engine coolant or relative improvement |
| US10208650B2 (en) * | 2016-05-18 | 2019-02-19 | Ford Global Technologies, Llc | Monitoring engine coolant |
| CN107045372A (en) * | 2016-10-22 | 2017-08-15 | 钟贵洪 | A kind of thermal switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20191123 |