CN207515913U - A kind of temperature sensor - Google Patents
A kind of temperature sensor Download PDFInfo
- Publication number
- CN207515913U CN207515913U CN201721714398.0U CN201721714398U CN207515913U CN 207515913 U CN207515913 U CN 207515913U CN 201721714398 U CN201721714398 U CN 201721714398U CN 207515913 U CN207515913 U CN 207515913U
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- temperature sensor
- rear end
- sealing device
- hole
- mounting base
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Abstract
A kind of temperature sensor, belongs to sensor field.It provide it is a kind of can carry out dual monitoring, the temperature sensor that temperature measurement accuracy is high and sealing effect is good.Step through-hole there are two being opened up in the mounting base, described two step through-holes are set along mounting base length direction, described two thermistor element rear ends correspond and are electrically connected with two conducting wire front ends, the junction of two thermistor elements and corresponding lead is set with resistance sealing device, each thermistor element rear end, corresponding conducting wire front end and corresponding resistance sealing device three are arranged in same step through-hole, two conducting wire rear ends are electrically connected by attachment device with two terminals, terminal sealing device is set on the outside of described two attachment devices.The utility model can effective sealed guide end junction, solve the problems, such as that medium is permeated from wire termination, sealing effect is good, and thermometric effect is good, and temperature measurement accuracy is high.
Description
Technical field
The utility model belongs to sensor field, more particularly to a kind of temperature sensor.
Background technology
High-temperature medium is immersed in for the temperature sensor of measuring apparatus bearing bush temperature etc. for a long time（Such as oil）In, it is tested
Medium in equipment easily penetrates into cable inner from the junction of sensor outer housing and cable or is permeated from the end of cable
To cable inner, on the one hand lead to sensor degradation, another aspect medium can penetrate into the end being connect with sensor along cable
In sub- case, there are security risks for the equipment of rear end.In the prior art, generally cable is sealed by fluid sealant,
Liquid media penetration is prevented, but this mode sealing effect is bad, machine oil still can be oozed out by the capillarity of conducting wire, and
And influence external environment；In addition, traditional temperature sensor only has single temperature-sensitive element, object to be detected can not be carried out
Dual monitoring can not realize that the mutual monitoring between temperature sensor compensates, and thermometric effect is poor, and temperature measurement accuracy is relatively low.
Invention content
In view of the above-mentioned problems of the prior art, the utility model, which provides one kind, can carry out dual monitoring, thermometric essence
The temperature sensor that degree is high and sealing effect is good.
Technical solution adopted in the utility model is：A kind of temperature sensor, including mounting base, two thermistor members
Part, two resistance sealing devices, two conducting wires, two terminal sealing devices, two attachment devices and two terminals；The installation
It is opened up on seat there are two step through-hole, described two step through-holes are set along mounting base length direction, described two temperature-sensitive electricity
Resistance element rear end corresponds and is electrically connected with two conducting wire front ends, and the junction of two thermistor elements and corresponding lead is equal
It is set with resistance sealing device, each thermistor element rear end, corresponding conducting wire front end and corresponding resistance sealing device
Three is arranged in same step through-hole, and two conducting wire rear ends are electrically connected by attachment device with two terminals,
Terminal sealing device is set on the outside of described two attachment devices.
The beneficial effects of the utility model are：
1. the wire termination junction of the utility model is respectively equipped with resistance sealing device and terminal sealing device, in addition,
Connected between conducting wire and terminal by being capable of conductive attachment device, can effective sealed guide end junction, solve
Medium from wire termination permeate the problem of, sealing effect is good.
2. the utility model uses two thermistor elements, two thermistor elements dual can monitor, realize temperature
Mutual monitoring compensation between sensor, thermometric effect is good, and temperature measurement accuracy is high.
Description of the drawings
Fig. 1：The utility model structure diagram；
Fig. 2：The A portions enlarged drawing of Fig. 1；
Fig. 3：The B portions enlarged drawing of Fig. 1；
Wherein：1- thermistor elements；2- mounting bases；2-1- step through-holes；3- resistance sealing devices；3-1- seal caps；
3-2- sealing rings；4- conducting wires；5- terminal sealing devices；5-1- stainless steel protection sets；5-2- resin seal sets；6- attachment devices；
6-1- screw shells；6-2- screw rods；7- terminals；8- ring baffles；9- tension springs；10- electric wires.
Specific embodiment
As shown in Fig. 1 ~ Fig. 3, a kind of temperature sensor is close including the resistance of thermistor element 1, two of mounting base 2, two
4, two, conducting wire terminal sealing device, 5, two attachment devices 6 of seal apparatus 3, two and two terminals 7；It is opened in the mounting base 2
If being set there are two step through-hole 2-1, described two step through-hole 2-1 along 2 length direction of mounting base, described two temperature-sensitive electricity
1 rear end of resistance element corresponds and is electrically connected with two 4 front ends of conducting wire, two thermistor elements 1 and the connection of corresponding lead 4
Place is set with resistance sealing device 3, and each 1 rear end of thermistor element, 4 front end of corresponding conducting wire and corresponding resistance are close
3 three of seal apparatus is arranged in same step through-hole 2-1, and two conducting wires, 4 rear end passes through attachment device 6 and two
Terminal 7 is electrically connected, and described two 6 outsides of attachment device are set with terminal sealing device 5.
It is in series or in parallel by electric wire 10 between described two terminals 7.
The mounting base 2 is cylinder, and two step through-hole 2-1 of mounting base 2 are cylindrical step hole.
Each resistance sealing device 3 includes sealing ring 3-2 and seal cap 3-1；The sealing ring 3-2 fixes suit
In corresponding 4 front end of conducting wire, sealing ring 3-2 front end faces are fixedly connected with corresponding 1 rear end face of thermistor element, sealing ring 3-
2 outer circumference surfaces and 1 lateral wall rear end of corresponding thermistor element are equipped with external screw thread, and platform is offered on the seal cap 3-1
Rank threaded hole, the sealing ring 3-2 and 1 rear end of thermistor element are threadedly coupled with seal cap 3-1.
Described two attachment devices 6 are electric conductor.
Each attachment device 6 includes screw rod 6-2 and screw shell 6-1, the screw rod 6-2 rear ends and corresponding end
Sub 7 front ends electrical connection, 4 rear end of conducting wire are inserted and secured in screw shell 6-1 front ends, screw shell 6-1 and screw rod 6-2
It is threadedly coupled.Attachment device 6 can avoid the rear end contact medium of conducting wire 4, effectively prevent the infiltration of medium.
Each terminal sealing device 5 includes resin seal set 5-2 and stainless steel protection set 5-1, the resin are close
Big envelope 5-2 is fixedly set in corresponding attachment device 6, and the stainless steel protection set 5-1 is fixedly set in resin seal set 5-2
On.
The temperature sensor further includes two tension springs 9 and two ring baffles 8, on each thermistor element 1
It is set with ring baffle 8 and tension spring 9, described two ring baffles 8 step through-hole 2-1 front ends corresponding in mounting base 2
It is fixedly connected, described two tension springs 9 are arranged between corresponding ring baffle 8 and resistance sealing device 3, and two tension springs 9 are equal
It is fixedly connected with corresponding resistance sealing device 3.Tension spring 9 pulls thermistor element 1 in step through-hole 2-1 slides forwards,
Make thermistor element 1 with measuring body（Particularly solid）Be in close contact, ring baffle 8 to tension spring 9 and thermistor element 1 into
Row limiting.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of temperature sensor, it is characterised in that：Including mounting base（2）, two thermistor elements（1）, two resistance it is close
Seal apparatus（3）, two pieces conducting wires（4）, two terminal sealing devices（5）, two attachment devices（6）And two terminals（7）；The peace
Fill seat（2）On open up there are two step through-hole（2-1）, described two step through-holes（2-1）Along mounting base（2）Length direction is set
It puts, described two thermistor elements（1）Rear end and two conducting wires（4）Front end corresponds and is electrically connected, two thermistors
Element（1）With corresponding lead（4）Junction be set with resistance sealing device（3）, each thermistor element（1）Rear end,
Corresponding conducting wire（4）Front end and corresponding resistance sealing device（3）Three is arranged at same step through-hole（2-1）It is interior,
Two conducting wires（4）Rear end passes through attachment device（6）With two terminals（7）Electrical connection, described two attachment devices（6）Outside
Side is set with terminal sealing device（5）.
2. a kind of temperature sensor according to claim 1, it is characterised in that：The mounting base（2）For cylinder, installation
Seat（2）Two step through-holes（2-1）It is cylindrical step hole.
3. a kind of temperature sensor according to claim 1, it is characterised in that：Each resistance sealing device（3）
Including sealing ring（3-2）And seal cap（3-1）；The sealing ring（3-2）It is fixedly set in corresponding conducting wire（4）Front end, sealing
Ring（3-2）Front end face and corresponding thermistor element（1）Rear end face is fixedly connected, sealing ring（3-2）Outer circumference surface and correspondence
Thermistor element（1）Lateral wall rear end is equipped with external screw thread, the seal cap（3-1）On offer step threaded hole, institute
State sealing ring（3-2）And thermistor element（1）Rear end is and seal cap（3-1）It is threadedly coupled.
4. a kind of temperature sensor according to claim 1, it is characterised in that：Described two attachment devices（6）It is to lead
Electric body.
5. a kind of temperature sensor according to claim 4, it is characterised in that：Each attachment device（6）Include
Screw rod（6-2）And screw shell（6-1）, the screw rod（6-2）Rear end and corresponding terminal（7）Front end is electrically connected, the conducting wire
（4）Rear end is inserted and secured on screw shell（6-1）In front end, screw shell（6-1）And screw rod（6-2）It is threadedly coupled.
6. a kind of temperature sensor according to claim 5, it is characterised in that：Each terminal sealing device（5）
Including resin seal set（5-2）And stainless steel protection set（5-1）, the resin seal set（5-2）It is fixedly set in corresponding company
Connection device（6）On, the stainless steel protection set（5-1）It is fixedly set in resin seal set（5-2）On.
7. a kind of temperature sensor according to claim 1, it is characterised in that：The temperature sensor further includes two drawings
Spring（9）And two ring baffles（8）, each thermistor element（1）On be set with ring baffle（8）And tension spring（9）,
Described two ring baffles（8）And mounting base（2）Upper corresponding step through-hole（2-1）Front end is fixedly connected, described two drawings
Spring（9）It is arranged at corresponding ring baffle（8）With resistance sealing device（3）Between, two tension springs（9）With corresponding resistance
Sealing device（3）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714398.0U CN207515913U (en) | 2017-12-11 | 2017-12-11 | A kind of temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714398.0U CN207515913U (en) | 2017-12-11 | 2017-12-11 | A kind of temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207515913U true CN207515913U (en) | 2018-06-19 |
Family
ID=62543845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721714398.0U Active CN207515913U (en) | 2017-12-11 | 2017-12-11 | A kind of temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207515913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695573A (en) * | 2019-10-12 | 2020-01-17 | 东风（武汉）汽车零部件有限公司 | Error proofing device for part welding |
-
2017
- 2017-12-11 CN CN201721714398.0U patent/CN207515913U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695573A (en) * | 2019-10-12 | 2020-01-17 | 东风（武汉）汽车零部件有限公司 | Error proofing device for part welding |
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