CN205192640U - Assembled temperature sensor - Google Patents
Assembled temperature sensor Download PDFInfo
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- CN205192640U CN205192640U CN201520860432.XU CN201520860432U CN205192640U CN 205192640 U CN205192640 U CN 205192640U CN 201520860432 U CN201520860432 U CN 201520860432U CN 205192640 U CN205192640 U CN 205192640U
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- probe shell
- temperature sensor
- temperature
- protection tube
- sensing element
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Abstract
The utility model relates to a temperature sensor technical field especially relates to an assembled temperature sensor, including temperature -sensing element, two sets of cable conductor, probe shell and protection tube, the probe shell is the tubular structure that one end was sealed, the other end is open, the protection tube is the open tubular structure in both ends, the probe shell with protection tube fixed connection, two sets of cable conductors respectively with two interface connection of temperature -sensing element, it has insulating material to fill in the probe shell, the temperature -sensing element is arranged in in the probe shell, and be located probe shell confined one end. The utility model provides a prefabrication of assembled temperature sensor temperature -sensing element is at probe in the shell, and the degree of accuracy of temperature measurement position when using, has been improved in the position of having ensured the temperature -sensing element, has consequently also improved the uniformity of temperature sensor's temperature measurement result.
Description
Technical field
The utility model relates to temperature sensor technology field, particularly relates to a kind of assembled temperature sensor.
Background technology
Temperature sensor develops the earliest, and a most widely used class sensor, is converted to the sensor of electric signal by the temperature variation of material.The sonde configuration of existing temperature sensor is generally temperature-sensing element and is connected with cable; temperature-sensing element and cable jacket are provided with protection tube; add man-hour requirement and will under the temperature-sensing element being connected with cable, deliver to the bottom of protection tube; and Embedding Material is filled in protection tube, ensure the insulation between temperature sensor inner cable line.
The selection of temperature sensor point for measuring temperature is most important, the position of point for measuring temperature, for production process, must have typicalness, representativeness, otherwise will lose the meaning of Measurement & Control.When thermopair inserts tested place, the length direction along sensor will produce hot-fluid.Just have thermal loss when ambient temperatures are low, cause the temperature of thermocouple temperature sensor and measurand inconsistent and produce temperature measurement error.In the manufacturing process of existing temperature sensor probe; the consistance of probe can not ensure, especially when temperature sensor is longer, temperature-sensing element is difficult to the bottom guaranteeing to deliver to protection tube; cause temperature measurement location to there is deviation, finally cause the measurement data of temperature sensor not accurate enough.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model solves the inaccurate problem of temperature sensor measurement data in prior art.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of assembled temperature sensor, comprise temperature-sensing element, two groups of cables, probe shell and protection tubes, described probe shell is the tubular structure that one end is closed, the other end is open, described protection tube is the tubular structure of both ends open, and the open end of described probe shell is fixedly connected with one end of described protection tube; Described two groups of cables are connected with two interfaces of described temperature-sensing element respectively, are filled with insulating material in described probe shell, and described temperature-sensing element is placed in described probe shell, and are positioned at the closed one end of described probe shell.
Wherein, the open end of described probe shell is provided with boss, and one end of described protection tube is provided with groove, described groove and described boss tabling.
Wherein, the outside surface of the boss of described probe shell is provided with annular groove, scribbles fluid sealant in described annular groove.
Wherein, often organize described cable and comprise the wire that a wire or two are connected to the same interface of described temperature-sensing element.
Wherein, insulating material is filled with in described protection tube.
Wherein, described protection tube adopts stainless steel to make.
Wherein, the thermal conductivity of described probe shell is greater than the thermal conductivity of described protection tube.
(3) beneficial effect
Technique scheme of the present utility model compared with prior art tool has the following advantages: the assembled temperature-sensing element of temperature sensor that the utility model provides is in advance in probe shell, ensure that the position of temperature-sensing element, in use, improve the accuracy of temperature measurement location, therefore also improve the consistance of the temperature measurement result of temperature sensor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the assembled temperature sensor that the utility model embodiment provides.
In figure: 1: probe shell; 2: temperature-sensing element; 3: cable; 4: protection tube; 5: insulating material; 6: annular groove.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, a kind of assembled temperature sensor that the utility model embodiment provides, comprises temperature-sensing element 2, two groups of cables 3, probe shell 1 and protection tube 4; Pop one's head in shell 1 for closing one end, the tubular structure that its other end is open, and protection tube 4 is the tubular structure of both ends open; One end that probe shell 1 opens is fixedly connected with one end of protection tube 4; Two groups of cables 3 are connected with two interfaces of temperature-sensing element 2 respectively, particularly, often organize cable 3 and can comprise the wire that a wire or two are connected to the same interface of temperature-sensing element 2, different conductor connections can form the temperature sensor of two-wire system, three-wire system and four-wire system respectively, the sensor of three-wire system and four-wire system can reduce the error of conductor resistance, improves the measuring accuracy of temperature sensor.Insulating material 5 is filled with in probe shell 1, in probe shell 1, filling insulating material 5 both can fix the position of temperature-sensing element 2, also two groups of cables 3 can be avoided to contact and to cause short circuit, cause temperature sensor thermometric inaccurate, particularly, insulating material 5 can adopt the insulating material such as alundum (Al2O3) or magnesium oxide.Temperature-sensing element 2 is placed in probe shell 1, and is positioned at the closed one end of probe shell 1.
The assembled temperature sensor that the utility model provides comprises probe shell 1 and protection tube 4 two parts; when making this temperature sensor; first the temperature-sensing element 2 connected with cable 3 can be sent into the bottom of shell 1 of popping one's head in; insulating material 5 is packed in probe shell 1; the position of fixing temperature-sensing element 2; and then by cable 3 through protection tube 4, and protection tube 4 is fixedly connected with probe shell 1.The assembled temperature-sensing element of temperature sensor 2 that the utility model provides in probe shell 1, ensure that the position of temperature-sensing element 2, in use, improves the accuracy of temperature measurement location, therefore also improve the consistance of temperature sensor temperature measurement result in advance.
Preferably, the open end of probe shell 1 is provided with boss, and one end of protection tube 4 is provided with groove, groove and boss tabling.Protection tube 4 is fixedly connected with to adopt is threaded with probe shell 1, and grafting etc. are multiple is fixedly connected with mode.Being fixedly connected with both the employing probe boss of shell 1 can realize when shell 1 of popping one's head in is thinner with protection tube 4 tube wall with the mode of the groove tabling of protection tube 4.Avoid because probe shell 1 is inaccurate with the thicker thermometric caused of tube wall of protection tube 4 contact position.Further, the outside surface of the boss of probe shell 1 is provided with annular groove 6, scribbles fluid sealant in annular groove 6.The structural strength that fluid sealant can improve sealing between probe shell 1 and protection tube 4 and protection tube 4 and probe shell 1 contact position is scribbled at inner annular groove 6.
Preferably, insulating material 5 is filled with in protection tube 4.Particularly, insulating material 5 can adopt the insulating material such as alundum (Al2O3) or magnesium oxide 5.In protection tube 4, filling insulating material 5 can be avoided cable 3 to contact causing the short circuit of temperature sensor, affect it and normally use.
Further, the thermal conductivity of probe shell 1 can be greater than the thermal conductivity of protection tube 4.Preferably, protection tube 4 adopts stainless steel to make.Probe shell 1 can adopt the material that material thermal conductivity is larger, as large in the thermal conductivity such as copper, monel and the material of good heat resistance, and the promptness that can improve data transmission made by the material that probe shell 1 adopts thermal conductivity larger.
In sum; the assembled temperature sensor that the utility model provides comprises probe shell 1 and protection tube 4 two parts; when making this temperature sensor; first the temperature-sensing element 2 connected with cable 3 can be sent into the bottom of shell 1 of popping one's head in; insulating material 5 is packed in probe shell 1; the position of fixing temperature-sensing element 2, and then by cable 3 through protection tube 4, and protection tube 4 is fixedly connected with probe shell 1.The assembled temperature-sensing element of temperature sensor 2 that the utility model provides in probe shell 1, ensure that the position of temperature-sensing element 2, in use, improves the accuracy of temperature measurement location, therefore also improve the consistance of the temperature measurement result of temperature sensor in advance.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. an assembled temperature sensor, it is characterized in that: comprise temperature-sensing element, two groups of cables, probe shell and protection tubes, described probe shell is the tubular structure that one end is closed, the other end is open, described protection tube is the tubular structure of both ends open, and one end that described probe shell opens is fixedly connected with one end of described protection tube; Described two groups of cables are connected with two interfaces of described temperature-sensing element respectively, are filled with insulating material in described probe shell, and described temperature-sensing element is placed in described probe shell, and are positioned at the closed one end of described probe shell.
2. assembled temperature sensor according to claim 1, is characterized in that: the open end of described probe shell is provided with boss, and one end of described protection tube is provided with groove, described groove and described boss tabling.
3. assembled temperature sensor according to claim 2, is characterized in that: the outside surface of the boss of described probe shell is provided with annular groove, scribbles fluid sealant in described annular groove.
4. assembled temperature sensor according to claim 1, is characterized in that: often organize described cable and comprise the wire that a wire or two are connected to the same interface of described temperature-sensing element.
5. assembled temperature sensor according to claim 1, is characterized in that: be filled with insulating material in described protection tube.
6. assembled temperature sensor according to claim 1, is characterized in that: described protection tube adopts stainless steel to make.
7. assembled temperature sensor according to claim 1, is characterized in that: the thermal conductivity of described probe shell is greater than the thermal conductivity of described protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860432.XU CN205192640U (en) | 2015-10-30 | 2015-10-30 | Assembled temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860432.XU CN205192640U (en) | 2015-10-30 | 2015-10-30 | Assembled temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192640U true CN205192640U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520860432.XU Active CN205192640U (en) | 2015-10-30 | 2015-10-30 | Assembled temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352995A (en) * | 2016-09-12 | 2017-01-25 | 厦门奥冶炉相科技有限公司 | Thermocouple-based temperature measurement device |
| CN110514310A (en) * | 2019-09-25 | 2019-11-29 | 温州伟力汽车部件有限公司 | Exhaust gas temperature sensor |
-
2015
- 2015-10-30 CN CN201520860432.XU patent/CN205192640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352995A (en) * | 2016-09-12 | 2017-01-25 | 厦门奥冶炉相科技有限公司 | Thermocouple-based temperature measurement device |
| CN110514310A (en) * | 2019-09-25 | 2019-11-29 | 温州伟力汽车部件有限公司 | Exhaust gas temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 25, Keji Road, Economic Development Zone, Miyun County, Beijing 101500 Patentee after: Beijing Fang Sensor Research Institute Co.,Ltd. Address before: No. 25, Keji Road, Economic Development Zone, Miyun County, Beijing 101500 Patentee before: BEIJING FANGDENG SENSOR RESEARCH INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |