CN213239250U

CN213239250U - Water temperature sensor

Info

Publication number: CN213239250U
Application number: CN202022402109.1U
Authority: CN
Inventors: 王冬勇
Original assignee: Ruian Yidu Auto Parts Co ltd
Current assignee: Ruian Yidu Auto Parts Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-18
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a water temperature sensor, which comprises a housin, the inside top of casing is provided with the treater, the casing bottom is provided with the temperature sensing head, the inside bottom of temperature sensing head is provided with first thermistor, second thermistor and third thermistor, first thermistor top one side is provided with the first electrical pillar that leads, second thermistor top one side is provided with the second and leads electrical pillar, third thermistor top one side is provided with the third and leads electrical pillar, the first electrical pillar that leads the second lead electrical pillar with the electrically conductive capital of third all with treater fixed connection. Has the advantages that: through a plurality of thermistors can be more accurate measure the temperature, avoid causing measuring error, the contact nature of thermistor and temperature sensing head is good, improves heat conduction effect, and whole sensor need not to use the wire, utilizes to lead electrical pillar and replaces the wire and improve life, and in addition, the sensor leakproofness is good, can dismantle the maintenance, rational in infrastructure, convenient to use.

Description

Water temperature sensor

Technical Field

The utility model relates to a sensor technical field particularly, relates to a temperature sensor.

Background

At present, water temperature sensor wide application is in the automobile cooling liquid detection area, and current water temperature sensor, inside adopt the spring to exert a pressure to the heat-sensitive piece and guarantee the bonding contact of heat-sensitive piece and shell, connect heat-sensitive piece and transmission plug through the wire simultaneously, then through plug output temperature signal. The water temperature sensor with the structure has high requirements on the flexibility and the temperature resistance of the lead because the lead is easy to break, and the detection sensitivity of the existing water temperature sensor is poor because the existing water temperature sensor is usually detected by a single thermistor.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

To the problem among the correlation technique, the utility model provides a water temperature sensor to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a water temperature sensor comprises a shell, wherein a mounting flange is arranged on the side edge of the top end of the shell, a sealing cover plate is arranged on the top end of the mounting flange, the sealing cover plate is fixedly connected with the mounting flange through a plurality of bolt groups, a processor is arranged on the top end of the interior of the shell, a temperature sensing head is arranged at the bottom end of the shell, a first thermistor, a second thermistor and a third thermistor are sequentially arranged at the bottom end of the interior of the temperature sensing head respectively, the first thermistor is positioned at the bottom of the second thermistor, the second thermistor is positioned at the bottom of the third thermistor, a first conductive post which is inserted in the second thermistor and the third thermistor is arranged on one side of the top end of the first thermistor, a second conductive post which is inserted in the third thermistor is arranged on one side of the top end of the second thermistor, one side of the top end of the third thermistor is provided with a third conductive column, the top ends of the first conductive column, the second conductive column and the third conductive column are respectively and fixedly connected with the processor, and a limiting plate is arranged at the top end inside the temperature sensing head.

Furthermore, a sealing gasket is arranged between the sealing cover plate and the mounting flange.

Furthermore, heat-conducting silica gel is respectively filled between the first thermistor, the second thermistor, the third thermistor and the inner side wall of the temperature sensing head.

Further, insulating washers are respectively arranged between the first conductive column and the second thermistor as well as between the second conductive column and the third thermistor.

Furthermore, limiting springs are respectively arranged between the limiting plate and the third thermistor, between the third thermistor and the second thermistor, between the second thermistor and the first thermistor, and between the first thermistor and the bottom end inside the temperature sensing head.

Furthermore, a plurality of mounting heads are arranged at the top ends of the side edges in the temperature sensing heads, and the limiting plate is fixedly connected with the mounting heads through a plurality of fixing screws.

The utility model has the advantages that: through setting up by the casing, mounting flange, sealed apron, the bolt group, the treater, the temperature sensing head, first thermistor, second thermistor, third thermistor, first leading electrical pillar, the second leads electrical pillar, the third leads electrical pillar, the temperature sensor that the limiting plate constitutes, thereby can be more accurate through a plurality of thermistors measure the temperature, avoid causing measuring error, thermistor is good with the contact nature of temperature sensing head, improve heat-conduction effect, whole sensor need not to use the wire, utilize to lead electrical pillar and replace the wire and improve life, in addition, the sensor leakproofness is good, can dismantle the maintenance, and is rational in infrastructure, high durability and convenient use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a water temperature sensor according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic diagram of a thermistor structure of a water temperature sensor according to an embodiment of the present invention.

In the figure:

1. a housing; 2. installing a flange; 3. sealing the cover plate; 4. a bolt group; 5. a processor; 6. a temperature sensing head; 7. a first thermistor; 8. a second thermistor; 9. a third thermistor; 10. a first conductive post; 11. a second conductive post; 12. a third conductive pillar; 13. a limiting plate; 14. a sealing gasket; 15. heat conducting silica gel; 16. an insulating washer; 17. a limiting spring; 18. a mounting head; 19. and fixing the screw.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a temperature sensor.

The first embodiment is as follows:

as shown in fig. 1-3, a water temperature sensor according to an embodiment of the present invention includes a housing 1, a mounting flange 2 is disposed at a side edge of a top end of the housing 1, a sealing cover plate 3 is disposed at a top end of the mounting flange 2, the sealing cover plate 3 is fixedly connected to the mounting flange 2 through a plurality of bolt sets 4, a processor 5 is disposed at a top end of an interior of the housing 1, a temperature sensing head 6 is disposed at a bottom end of the housing 1, a first thermistor 7, a second thermistor 8 and a third thermistor 9 are sequentially disposed at a bottom end of the interior of the temperature sensing head 6, the first thermistor 7 is disposed at a bottom of the second thermistor 8, the second thermistor 8 is disposed at a bottom of the third thermistor 9, a first conductive pillar 10 inserted into the second thermistor 8 and the third thermistor 9 is disposed at one side of a top end of the first thermistor 7, one side at the top end of the second thermistor 8 is provided with a second conductive column 11 which is inserted into the third thermistor 9, one side at the top end of the third thermistor 9 is provided with a third conductive column 12, the top ends of the first conductive column 10, the second conductive column 11 and the third conductive column 12 are respectively and fixedly connected with the processor 5, and the top end inside the temperature sensing head 6 is provided with a limiting plate 13.

By means of the above-mentioned technical scheme, by the setting by casing 1, mounting flange 2, sealed apron 3, bolt group 4, treater 5, the temperature sensing head 6, first thermistor 7, second thermistor 8, third thermistor 9, first lead electrical pillar 10, second lead electrical pillar 11, third lead electrical pillar 12, the temperature sensor that limiting plate 13 constitutes, thereby can be more accurate measure the temperature through a plurality of thermistors, avoid causing measuring error, thermistor is good with the contact nature of temperature sensing head, improve heat-conduction effect, whole sensor need not to use the wire, utilize to lead electrical pillar and replace the wire and improve life, in addition, the sensor leakproofness is good, can dismantle the maintenance, and is rational in infrastructure, high durability and convenient use.

Example two:

as shown in fig. 1-3, a sealing gasket 14 is disposed between the sealing cover plate 3 and the mounting flange 2, heat-conducting silica gel 15 is respectively filled between the inner sidewalls of the first thermistor 7, the second thermistor 8, the third thermistor 9 and the thermal head 6, insulating gaskets 16 are respectively disposed between the first conductive column 10 and the second thermistor 8 and the third thermistor 9, and between the second conductive column 11 and the third thermistor 9, respectively, limiting springs 17 are respectively disposed between the limiting plate 13 and the third thermistor 9, between the third thermistor 9 and the second thermistor 8, between the second thermistor 8 and the first thermistor 7, and between the first thermistor 7 and the bottom end inside the thermal head 6, respectively, a plurality of mounting heads 18 are disposed at the top end of the inner side edge of the thermal head 6, the limiting plate 13 is fixedly connected with the mounting head 18 through a plurality of fixing screws 19.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, first thermistor 7, second thermistor 8, third thermistor 9 passes through the inside wall contact of heat conduction silica gel 15 with temperature sensing head 6, effectively improve the heat conduction effect, first lead electrical pillar 10, second lead electrical pillar 11, third lead electrical pillar 12 replaces traditional wire, the stability of connecting has been improved, avoid using to cause the circuit to break and influence the use when vibrations positions such as car, dismantle sealed apron 3 when this sensor breaks down, then can lead electrical pillar 10 through first leading, second leads electrical pillar 11, third leads electrical pillar 12 with first thermistor 7, second thermistor 8, the whole taking out of third thermistor 9, improve the facility of overhauing.

To sum up, with the help of the above technical scheme of the utility model, by casing 1 through the setting, mounting flange 2, sealed apron 3, bolt group 4, treater 5, the temperature sensing head 6, first thermistor 7, second thermistor 8, third thermistor 9, first lead electrical pillar 10, second lead electrical pillar 11, third lead electrical pillar 12, the temperature sensor that limiting plate 13 constitutes, thereby can be more accurate through a plurality of thermistors measure the temperature, avoid causing measuring error, thermistor is good with the contact nature of temperature sensing head, improve heat conduction effect, whole sensor need not to use the wire, utilize to lead electrical pillar and replace the wire to improve life, in addition, the sensor leakproofness is good, can dismantle the maintenance, and is rational in infrastructure, high durability and convenient use.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a water temperature sensor, a serial communication port, including casing (1), the side on casing (1) top is provided with mounting flange (2), the top of mounting flange (2) is provided with sealed apron (3), sealed apron (3) with through a plurality of bolt group (4) fixed connection between mounting flange (2), the inside top of casing (1) is provided with treater (5), the bottom of casing (1) is provided with temperature sensing head (6), the inside bottom of temperature sensing head (6) has set gradually first thermistor (7), second thermistor (8) and third thermistor (9) respectively, first thermistor (7) are located the bottom of second thermistor (8), second thermistor (8) are located the bottom of third thermistor (9), one side on first thermistor (7) top be provided with cross-under in second thermistor (8) and institute's bottom, one side on first thermistor (7) top is provided with cross-under The first conductive column (10) of the third thermistor (9), one side of the top end of the second thermistor (8) is provided with a second conductive column (11) which is inserted into the third thermistor (9), one side of the top end of the third thermistor (9) is provided with a third conductive column (12), the top ends of the first conductive column (10), the second conductive column (11) and the third conductive column (12) are respectively and fixedly connected with the processor (5), and the top end of the inside of the temperature sensing head (6) is provided with a limiting plate (13).

2. A water temperature sensor according to claim 1, wherein a sealing gasket (14) is provided between the sealing cover plate (3) and the mounting flange (2).

3. A water temperature sensor according to claim 1, wherein heat conductive silica gel (15) is filled between the first thermistor (7), the second thermistor (8) and the third thermistor (9) and the inner side wall of the temperature sensing head (6).

4. A water temperature sensor according to claim 1, wherein insulating gaskets (16) are provided between the first conductive post (10) and the second and third thermistors (8, 9) and between the second conductive post (11) and the third thermistor (9), respectively.

5. A water temperature sensor according to claim 1, wherein limiting springs (17) are respectively arranged between the limiting plate (13) and the third thermistor (9), between the third thermistor (9) and the second thermistor (8), between the second thermistor (8) and the first thermistor (7) and at the bottom end of the inside of the first thermistor (7) and the temperature sensing head (6).

6. A water temperature sensor according to claim 1, wherein a plurality of mounting heads (18) are arranged at the top end of the inner side of the temperature sensing head (6), and the limiting plate (13) is fixedly connected with the mounting heads (18) through a plurality of fixing screws (19).