CN203376075U - Temperature warning sensor - Google Patents
Temperature warning sensor Download PDFInfo
- Publication number
- CN203376075U CN203376075U CN201320467702.1U CN201320467702U CN203376075U CN 203376075 U CN203376075 U CN 203376075U CN 201320467702 U CN201320467702 U CN 201320467702U CN 203376075 U CN203376075 U CN 203376075U
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- China
- Prior art keywords
- thermistor
- inserted sheet
- sensing
- housing
- temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004519 grease Substances 0.000 claims abstract description 6
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000002991 molded plastic Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000002826 coolant Substances 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 abstract 8
- 230000037431 insertion Effects 0.000 abstract 8
- 238000011900 installation process Methods 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
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 the piece number of an existing temperature warning sensor is large, the cost is increased, and requirements for the installation process are high. The temperature warning sensor is mainly characterized by comprising a first sensing insertion piece, a second sensing positive electrode insertion piece, a second sensing negative electrode insertion piece and a warning insertion piece; thermistors comprises a first thermistor and a second thermistor, the first thermistor is welded to the end parts of the second sensing positive electrode insertion piece and the second sensing negative electrode insertion piece, one end face of the second thermistor is welded to the end part of the first sensing insertion piece, the other end face is welded with a grounding wire and one end of a magnetically sensitive switch, and the other end of the magnetically sensitive switch is welded with the end part of the warning insertion piece; a shell is filled with heat conducting silicon grease; and temperature sensors for an electronic control unit and all instruments are integrated into one, and press-mounting installation is adopted. The temperature warning sensor provided by the utility model has the characteristics of accurate measurement and warning, high reliability, reduced requirements for the installation process and low cost, and is mainly used for measuring the temperature of an automobile engine coolant.
Description
Technical field
The utility model belongs to the temperature warning sensor technical field.Be specifically related to a kind of for measuring the temperature warning sensor of engine coolant temperature.
Background technology
Temperature warning sensor is mainly used to measure engine coolant temperature.When coolant temperature is 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 to 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 discharges and (waste gas recovery) arrival of refrigeratory have driven the demand of New temperature alarm sensor.Current temperature warning sensor is mainly by thermistor and magnet-sensitive switch assembly, thermistor is used for measuring in real time water temperature, when water temperature arrives the tolerance limit scope, magnet-sensitive switch can be closed or disconnects, and instrument or ECU make corresponding measure after receiving its signal, but because for ECU and instrument, each needs a temperature sensor, cause the temperature sensor piece number various, cost increases, and mounting means is that screw thread is installed, and mounting process requires high.
Summary of the invention
The purpose of this utility model provides a kind of for above-mentioned weak point exactly ECU is united two into one with temperature sensor by temperature sensor and car load instrument, and the mounting means temperature warning sensor that is pressing type.
Technical solution of the present utility model is: a kind of temperature warning sensor, comprise housing, installing plate, terminal, magnet-sensitive switch, thermistor, ground loop, O-ring seal, injection moulding set collar, O RunddichtringO, earth lead, connection wire and inserted sheet, inserted sheet and terminal integral molded plastic, ground loop, O-ring seal are arranged between terminal and housing, housing and terminal flange are fixed, and earth lead one end is connected with ground loop; The O RunddichtringO is positioned at the seal groove of injection moulding set collar, and injection moulding set collar and installing plate are arranged on the housing outer wall, installing plate and housing welding; It is characterized in that: described inserted sheet comprises the first sensing inserted sheet, the anodal inserted sheet of the second sensing, the second sensing negative pole inserted sheet and warning inserted sheet; Described thermistor comprises the first thermistor, the second thermistor, the two ends of the first thermistor are welded on respectively the end of the second sensing positive and negative electrode inserted sheet, the second thermistor is slice heat sensitive resistor, the second thermistor one end face is by connecting wire bonds in the first sensing tab end portion, one end welding of other end and earth lead, magnet-sensitive switch, the end welding of the other end of magnet-sensitive switch and warning inserted sheet; Be marked with heat-conducting silicone grease in housing.
Housing described in the utility model technical solution is Stainless Steel Shell.
The welding position cover heat-shrinkable T bush of the earth lead described in the utility model technical solution and ground loop.
Terminal described in the utility model technical solution, inserted sheet, ground loop, earth lead, connection wire, O-ring seal, the first thermistor, the second thermistor and magnet-sensitive switch form the terminal switch assembly.
Housing described in the utility model technical solution, injection moulding set collar, O RunddichtringO, installing plate form housing assembly.
The utility model is by housing, terminal, magnet-sensitive switch, the first thermistor, the second thermistor, ground loop, O-ring seal, earth lead, connect wire, the first sensing inserted sheet, the anodal inserted sheet of the second sensing, the second sensing negative pole inserted sheet, the temperature warning sensor that the warning inserted sheet forms, wherein, terminal, inserted sheet, ground loop, earth lead, connect wire, O-ring seal, the first thermistor, the second thermistor and magnet-sensitive switch form the terminal switch assembly, with form the utility model after the housing assembly flange, inject appropriate heat-conducting silicone grease in enclosure interior, strengthen thermistor, magnet-sensitive switch is with the thermal conductivity between housing.The first thermistor, the second thermistor are integrated in same structure, but isolation fully on circuit can not interfere with each other.After the utility model temperature warning sensor is loaded on to the car engine motor spindle, liquid coolant with Stainless Steel Shell, contact, temperature is passed to heat-conducting silicone grease by housing, and then reaches magnet-sensitive switch and thermistor, realize sensing and warning function.It is high that the utility model has overcome the mounting process requirement, the high in cost of production difficult point, have technical maturity, sealing property better, the requirement of pressing type mounting process is low, Stainless Steel Shell hardness is high, good corrosion resistance, characteristics that price is low, is a kind of New temperature alarm sensor that meets Europe trimotor standard.The utility model is mainly used in measuring engine coolant temperature.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is terminal switch assembly schematic diagram of the present utility model.
Fig. 3 is the utility model housing assembly schematic diagram.
Fig. 4 is the left view of Fig. 1.
Embodiment
As shown in Figure 1.The utility model temperature warning sensor consists of housing 1, the first thermistor 2, the second thermistor 3, magnet-sensitive switch 4, connection wire 5, earth lead 6, injection moulding set collar 7, O RunddichtringO 8, heat-shrinkable T bush 9, installing plate 10, ground loop 11, O-ring seal 12, terminal 13 and inserted sheet 14, the second thermistor 3 is slice heat sensitive resistor, and inserted sheet 14 comprises the first sensing inserted sheet, the anodal inserted sheet of the second sensing, the second sensing negative pole inserted sheet and warning inserted sheet.Wherein, terminal 13 forms the terminal assembly with inserted sheet 14.The first thermistor 2 two ends are adopted to the end of pb-free solder at the second sensing positive and negative electrode inserted sheet, by wire, adopt pb-free solder on the first sensing inserted sheet the second thermistor 3 one end faces, one end welding of other end and earth lead 6, magnet-sensitive switch 4, magnet-sensitive switch 4 other ends are welded on the warning inserted sheet by connecting wire 5, cover heat-shrinkable T bush 9 after earth lead 6 other ends and ground loop 11 welding, avoid earth lead 6 to contact with the warning inserted sheet.After on terminal, O-ring seal 12 being installed, ground loop 11 is placed on terminal and forms the terminal switch assembly.After the interior filling heat-conductive silicone grease of housing 1, the terminal switch assembly is assemblied in to the housing assembly the inside, after pressing, the matched moulds flange links together, can make like this ground loop 11 and housing 1 conducting.
As shown in Figure 2.Form the terminal switch assembly by terminal 13, inserted sheet 14, ground loop 11, earth lead 6, O-ring seal 12, the first thermistor 2, the second thermistor 3 and magnet-sensitive switch 4, above-mentioned part is formed to 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 housing assembly by housing 1, injection moulding set collar 7, O RunddichtringO 8, installing plate 10, housing 1 adopts stainless steel, and housing 1 and installing plate 10 be by being welded to connect, injection moulding set collar 7 on above-mentioned component.
As shown in Figure 4.By the mounting hole on installing plate 10, press-fited fixingly, O RunddichtringO 8 is sealed.
Claims (5)
1. a temperature warning sensor, comprise housing (1), installing plate (10), terminal (13), magnet-sensitive switch (4), thermistor, ground loop (11), O-ring seal (12), injection moulding set collar (7), O RunddichtringO (8), heat-shrinkable T bush (9), connect wire (5), earth lead (6) and inserted sheet (14), inserted sheet (14) and terminal integral molded plastic, ground loop (11), O-ring seal (12) is arranged between terminal (13) and housing (1), housing (1) is fixed with terminal (13) flange, earth lead (6) one ends are connected with ground loop (11), O RunddichtringO (8) is positioned at the seal groove of injection moulding set collar (7), and injection moulding set collar (7) and installing plate (10) are arranged on housing (1) outer wall, installing plate (10) and housing (1) welding, it is characterized in that: described inserted sheet (14) comprises the first sensing inserted sheet, the anodal inserted sheet of the second sensing, the second sensing negative pole inserted sheet and warning inserted sheet, described thermistor comprises the first thermistor (2), the second thermistor (3), the first thermistor (2) the two poles of the earth are welded on the end of the positive and negative inserted sheet of the second sensing, the second thermistor (3) is slice heat sensitive resistor, the second thermistor (3) one end faces and the welding of the first sensing tab end portion, other end and earth lead (5), magnet-sensitive switch (4) one end welding, the other end of magnet-sensitive switch (4) and the welding of the end of warning inserted sheet, housing is marked with heat-conducting silicone grease in (1).
2. temperature warning sensor according to claim 1 is characterized in that: described housing (1) is Stainless Steel Shell.
3. temperature warning sensor according to claim 1 and 2, is characterized in that: the welding position cover heat-shrinkable T bush (9) of described earth lead (6) and ground loop (11).
4. temperature warning sensor according to claim 1 and 2, is characterized in that: described terminal (13), inserted sheet (14), ground loop (11), connection wire (5), earth lead (6), O-ring seal (12), the first thermistor (2), the second thermistor (3) and magnet-sensitive switch (4) composition terminal switch assembly.
5. temperature warning sensor according to claim 1 and 2, is characterized in that: described housing (1), injection moulding set collar (7), O RunddichtringO (8), installing plate (10) composition housing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467702.1U CN203376075U (en) | 2013-08-02 | 2013-08-02 | Temperature warning sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467702.1U CN203376075U (en) | 2013-08-02 | 2013-08-02 | Temperature warning sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376075U true CN203376075U (en) | 2014-01-01 |
Family
ID=49838600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467702.1U Expired - Fee Related CN203376075U (en) | 2013-08-02 | 2013-08-02 | Temperature warning sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170335751A1 (en) * | 2016-05-18 | 2017-11-23 | Ford Global Technologies, Llc | Monitoring engine coolant |
| CN107449518A (en) * | 2017-08-30 | 2017-12-08 | 东风汽车电子有限公司 | A kind of commercial car environment temperature sensor |
-
2013
- 2013-08-02 CN CN201320467702.1U patent/CN203376075U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170335751A1 (en) * | 2016-05-18 | 2017-11-23 | Ford Global Technologies, Llc | Monitoring engine coolant |
| US10208650B2 (en) * | 2016-05-18 | 2019-02-19 | Ford Global Technologies, Llc | Monitoring engine coolant |
| CN107449518A (en) * | 2017-08-30 | 2017-12-08 | 东风汽车电子有限公司 | A kind of commercial car environment temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 441000 Jiangshan South Road Venture Center, Xiangyang High-tech Zone, Hubei Province Patentee after: Dongfeng Power Drive System Co.,Ltd. Address before: 441001 No. 227 Daqing East Road, Xiangfan City, Hubei Province Patentee before: DONGFENG AUTOMOBILE ELECTRONICS Co.,Ltd. |
|
| 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: 20140101 |