CN211042502U - Integrated temperature sensor transmitter - Google Patents
Integrated temperature sensor transmitter Download PDFInfo
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- CN211042502U CN211042502U CN201922368300.6U CN201922368300U CN211042502U CN 211042502 U CN211042502 U CN 211042502U CN 201922368300 U CN201922368300 U CN 201922368300U CN 211042502 U CN211042502 U CN 211042502U
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Abstract
The utility model discloses an integration temperature sensor changer, include: the temperature measuring probe comprises a temperature measuring needle body and a temperature sensor arranged at one end of the temperature measuring needle body; the transmitter comprises a temperature conversion module, the temperature conversion module is electrically connected with the temperature sensor and is used for converting temperature data acquired by the temperature sensor into an electric signal; the protection shell is connected with the temperature measuring probe, and the transmitter is arranged in the protection shell. The utility model discloses a in the protective housing was located to the changer, protective housing linked to each other with temperature probe, had realized temperature sensor and changer integration, and installed the changer in the protective housing, protective housing physical stamina protection temperature conversion module, and the integration temperature sensor changer that designs like this can take precautions against earthquakes dampproofing, and has improved temperature detection's accuracy.
Description
Technical Field
The utility model belongs to temperature measuring instrument research field, in particular to integration temperature sensor changer.
Background
The temperature sensor in the prior art can accurately detect the temperature and display the temperature on an instrument display screen connected with the temperature sensor, so that people can conveniently measure the temperature, but the temperature sensor in the prior art is easily influenced by environmental factors in the detection process, such as moist and vibrating environments, the temperature sensor is easily influenced by the moist or vibrating environmental factors due to the fact that the temperature sensor is not compact enough, and the detection accuracy is easily influenced by electromagnetic interference because the temperature sensor in the prior art is not integrated with the transmitter.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides an integration temperature sensor changer, this integration temperature sensor changer have realized sensor and changer integration, and install the changer in the protective housing, and the protective housing links to each other with temperature probe, and the integration temperature sensor changer of design like this can take precautions against earthquakes dampproofing, improves the accuracy that the temperature detected.
The utility model discloses the technological effect that will reach is realized through following scheme:
an integrated temperature sensor transmitter, comprising:
the temperature measuring probe comprises a temperature measuring needle body and a temperature sensor arranged at one end of the temperature measuring needle body;
the transmitter comprises a temperature conversion module, the temperature conversion module is electrically connected with the temperature sensor and is used for converting temperature data acquired by the temperature sensor into an electric signal;
the protection shell is connected with the temperature measuring probe, and the transmitter is arranged in the protection shell.
Furthermore, the temperature measuring needle body is cylindrical, a through hole penetrating through two ends of the temperature measuring needle body is formed in the temperature measuring needle body, a lead is arranged in the through hole, one end of the lead is connected with the temperature conversion module, and the other end of the lead is connected with the temperature sensor; and the through hole is filled with heat conduction powder.
Further, the temperature sensor is a Pt100 platinum resistor.
Furthermore, the temperature conversion module comprises a PCB, and a temperature conversion circuit is arranged on the PCB.
Furthermore, the temperature conversion circuit comprises a triode, the triode is covered with an aluminum block, two ends of the aluminum block are fixedly arranged on the PCB, a heat conducting piece is arranged between the aluminum block and the triode, one end of the heat conducting piece is in contact with the triode, and the other end of the heat conducting piece is in contact with the aluminum block; the heat conducting piece is made of heat conducting silicone grease.
Furthermore, a wiring terminal is arranged at one end of the PCB, which is back to the temperature measuring probe, and is connected with the temperature conversion circuit and is connected with external equipment through a wire; the number of the wiring terminals is 2.
Furthermore, the protection casing comprises an upper casing and a lower casing which are matched, the upper casing and the lower casing are both cylindrical, threads are arranged on the inner peripheral side of the upper casing, threads are arranged on the outer peripheral side of the lower casing, and a cavity for accommodating the temperature conversion module is formed in the connection of the upper casing and the lower casing.
Furthermore, one end of the lower shell, which is back to the upper shell, is provided with a connecting nozzle, and the connecting nozzle is connected with the temperature measuring probe.
Furthermore, the lower shell and the upper shell are provided with screw holes corresponding in position, and the screw holes are formed in the periphery of the lower shell and the periphery of the upper shell and used for fixing the temperature conversion module.
Furthermore, one end of the upper shell, which is back to the lower shell, is provided with a wire guide hole.
The utility model discloses a changer locates in the protective housing, and the protective housing links to each other with temperature probe, has realized temperature sensor and changer integration, and installs the changer in the protective housing, and protective housing physical stamina protection temperature conversion module, the integration temperature sensor changer of design like this can take precautions against earthquakes dampproofingly, improves the accuracy of temperature-detecting.
Drawings
Fig. 1 is a schematic structural diagram of an integrated temperature sensor transmitter according to an embodiment of the present invention;
fig. 2 is a sectional view of a part of the integrated temperature sensor transmitter according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2;
fig. 4 is a schematic view illustrating an aluminum block mounted on a PCB according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an aluminum block according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a protective shell according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a protective shell according to an embodiment of the present invention;
fig. 8 is a schematic structural view of the integration of the lower housing and the temperature measuring needle body in one embodiment of the present invention.
Description of the symbols of the drawings:
1. a temperature sensor; 2. a temperature measuring needle body; 21. a through hole; 3. a protective housing; 31. a lower housing; 32. a cavity; 33. a connecting nozzle; 34. a screw hole; 41. a PCB board; 42. a triode; 43. a heat conductive member; 44. an aluminum block; 5. and (5) welding the structure.
Detailed Description
In order to better understand the utility model, the structure and the advantages of the utility model are more prominent, and the following description is combined with the drawings and the embodiment to carry out the detailed description.
As shown in fig. 1-2, in the present embodiment, the integrated temperature sensor transmitter includes: the temperature measuring probe comprises a temperature measuring needle body 2 and a temperature sensor 1 arranged at one end of the temperature measuring needle body 2; the temperature conversion module is electrically connected with the temperature sensor and used for converting the temperature data acquired by the temperature sensor into an electric signal; protection casing 3, protection casing 3 links to each other with temperature probe, and the changer is installed in protection casing 3.
Temperature measurement needle body 2 has certain length, and the length of temperature measurement needle body is 100mm in this embodiment, but the utility model discloses do not inject the length of temperature measurement needle body 2, the length of temperature measurement needle body 2 can be decided according to actual need, and temperature measurement needle body 2 is convenient for temperature sensor 1 and gos deep into the inside of testee for going on smoothly is detected to the temperature. The changer is installed in protection casing 3, and temperature conversion module is installed in protection casing 3 promptly, is avoided receiving the interference of environmental factor by protection casing 3 protection temperature conversion module, for example humidity and vibrations etc. can improve the humidity resistance and the anti-vibration performance of integration temperature sensor changer. Moreover, the protection shell 3 is connected with the temperature measuring probe, so that the temperature sensor 1 and the temperature conversion module are integrated, and on one hand, the structure compactness of the integrated temperature sensor transmitter is improved, and the installation is convenient; on the other hand, the moisture-proof and vibration-proof capability of the integrated temperature sensor transmitter can be further improved.
In an embodiment, the temperature measurement needle body 2 is cylindric, but the utility model discloses a temperature measurement needle body 2 can be the column of other shapes, for example the axial cross section is the column of triangle-shaped, quadrangle etc. and the axial cross section is at the ascending cross-section of axial, the utility model discloses do not do any restriction to the axial cross sectional shape of column temperature measurement needle body, can decide according to actual need. The temperature measuring needle body 2 is made of stainless steel, and the cylindrical temperature measuring needle body has smooth peripheral sides and cannot scratch the surface of the measured object when penetrating into the measured object. In order to facilitate the connection of the temperature sensor 1 and the temperature conversion module, the temperature measurement needle body 2 is provided with a through hole 21 penetrating through two ends, a lead is arranged in the through hole 21, one end of the lead is connected with the temperature conversion module, and the other end of the lead is connected with the temperature sensor 1. The through hole is filled with heat conducting powder which plays a good role in heat conduction, so that the temperature of the measured object is better transferred to the temperature sensor 1. The temperature measuring needle body 2 is provided with a through hole penetrating through two ends, the temperature sensor 1 is arranged at one end of the temperature measuring needle body 2, the other end of the temperature measuring needle body 2 is connected with the protective shell 3, and then the temperature sensor 1 is arranged on the through hole 21 at one end close to the temperature measuring needle body 2. When the temperature of an object is measured, one end of the temperature sensor 1, which is arranged at the through hole 21, is in contact with the space of the through hole 21, the space of the through hole 21 is provided with gas, and the gas has poor temperature transfer performance, so that the temperature of the contact of one end of the temperature sensor 1, which is arranged at the through hole 21, is lower than the temperature of the object to be measured, and the detection accuracy is influenced; the through hole is filled with the heat conducting powder, so that a good heat conducting effect is achieved, when the temperature of an object is measured, the heat conducting powder can conduct heat rapidly, the difference between the temperature of the temperature sensor 1 and the temperature of the measured object is reduced, and the detection accuracy is improved. In this embodiment, in order to prevent the heat conduction powder from flowing out of the temperature measurement needle body 2, the end of the temperature measurement needle body 2 connected to the protection shell 3 is sealed by the sealing glue, so as to ensure that the heat conduction powder is fixed in the through hole 21 of the temperature measurement needle body 2. The plugging glue can be resin, and the resin has good curing performance and is convenient to cure.
In one embodiment, the temperature sensor 1 is a Pt100 platinum resistor, which changes its resistance with temperature. The 100 behind Pt means that the resistance value of the resistor is 100 ohms at 0 ℃, the resistance value of the resistor is about 138.5 ohms at 100 ℃, the resistance value of the resistor increases along with the temperature rise, and the Pt100 platinum resistor is a good temperature measuring element and can accurately detect the temperature of an object.
In one embodiment, the temperature conversion module includes a PCB 41, and the PCB 41 is provided with a temperature conversion circuit. The temperature conversion temperature converts temperature data collected by the temperature sensor into an electrical signal. The temperature sensor 1 adopts a Pt100 platinum resistor, and is converted into an electric signal which is in a linear relation with the temperature after being processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current, power supply reverse connection protection and the like of a temperature conversion module, and the electric signal is output, so that the temperature acquisition signal is realized.
On the basis of the design that the temperature conversion module comprises a PCB 41, and the PCB 41 is provided with a temperature conversion circuit, further, as shown in fig. 4, the temperature conversion circuit comprises a triode 42, the triode 42 is covered with an aluminum block 44, two ends of the aluminum block are fixedly arranged on the PCB 41, a heat conducting member 43 is arranged between the aluminum block 44 and the triode 42, one end of the heat conducting member 43 is in contact with the triode 42, and the other end of the heat conducting member 43 is in contact with the aluminum block 44; the material of the heat-conducting member 43 is heat-conducting silicone grease. Triode 42 heats easily at the during operation, and in order to avoid triode 42 high temperature to influence the accuracy when temperature probe detects the object temperature, transmits triode 42's temperature for aluminium piece 44 through heat-conducting piece 43, distributes away the temperature in time by aluminium piece 44 to reduce triode 42's temperature, avoid triode 42 high temperature to influence and detect, can improve the accuracy that integrated temperature sensor changer detected the temperature. The heat conducting member 43 is made of heat conducting silicone grease, which has good heat conductivity and can conduct the temperature of the triode to the aluminum block 44 in time. As shown in fig. 5, in this embodiment, the aluminum block 44 has a dome shape with a large surface area, so as to increase the temperature emission speed. The temperature conversion circuit is a conventional circuit, and the circuit and the components thereof can be adjusted and designed according to the needs, so that the details are not described herein. When the part that generates heat is other electric elements among the temperature conversion circuit, radiating aluminium pig 44 is applicable equally with the integrated configuration of heat-conducting piece 43, promptly the utility model discloses the part that generates heat among the temperature conversion circuit is not limited only to triode 42, when the temperature conversion circuit has different heat-generating electric elements according to the design of actual need, can adopt equally the utility model discloses a structure that aluminium pig 44 and heat-conducting piece 43 are constituteed dispels the heat.
Furthermore, a connecting terminal (not marked in the figure) is arranged at one end of the PCB 41, which is back to the temperature measuring probe, the connecting terminal is connected with the temperature conversion circuit and is connected with external equipment through a lead, the connecting terminal is convenient for the lead to be connected with the temperature conversion circuit, the temperature conversion circuit is connected with the external equipment through the lead, the external equipment can be an instrument or a P L C, and a computer distributed measurement and control system is formed.
As shown in fig. 6-7, in an embodiment, the protection housing 3 includes an upper housing (not shown) and a lower housing 31 that are matched with each other, the upper housing and the lower housing 31 are made of stainless steel, the upper housing and the lower housing 31 are both cylindrical, threads are disposed on the inner peripheral side of the upper housing, threads are disposed on the outer peripheral side of the lower housing 31, the cylindrical upper housing and the lower housing 31 are conveniently in threaded connection, the stability and the sealing performance of the threaded connection are high, an accommodating cavity 32 for accommodating the temperature conversion module is formed in the connection between the upper housing and the lower housing 31, the accommodating cavity 32 in the temperature conversion module has good sealing performance, the temperature conversion module can be prevented from being affected by environmental factors, and the accuracy of detecting the temperature of the integrated temperature sensor.
Furthermore, one end of the lower shell 31, which is back to the upper shell, is provided with a connecting nozzle 33, and the connecting nozzle 33 is connected with the temperature measuring probe. In this embodiment, the temperature probe is connected to the connection nozzle 33 through a screw, the connection nozzle 33 is provided with a nut, and the temperature probe is connected to the connection nozzle 33 through a screw, so that the installation is simple and quick. As shown in the attached figure 3, in order to further improve the connection stability and the connection sealing performance, a welding structure 5 is arranged at the connecting position of the temperature measuring probe after being connected with the connecting nozzle through threads, namely, the connecting position of the temperature measuring probe after being connected with the connecting nozzle through threads is welded through laser welding or argon arc welding, and a welding seam is flattened and polished and is flush with the edge surface of the connecting nozzle. As shown in fig. 8, in order to save the assembly steps, the lower housing 31 can be integrally formed with the temperature measuring pin 2, and the integrally formed lower housing 31 and the temperature measuring pin 2 make the integrated temperature sensor transmitter more compact in structure and better in sealing performance.
Further, the lower case 31 and the upper case are provided with screw holes 34 corresponding in position, and the screw holes are provided on the peripheral sides of the lower case 31 and the upper case for fixing the temperature conversion module. In order not to affect the appearance of the protection case 3, after the temperature conversion module is fixed by screws, the heads of the screws may not be exposed from the peripheral side of the upper case and may be flush with the peripheral side of the upper case. The screw holes 34 are provided in the lower case 31 and the upper case, so that the temperature converter can be connected by a fastening member without affecting the aesthetic feeling of the appearance of the case, and the case is easy to mount.
On the design basis that the protection casing 3 comprises the upper casing and the lower casing 31 which are matched, one end of the upper casing back to the lower casing is provided with a wire hole (not marked in the figure), and the wire hole is used for leading out a wire which is connected with the temperature conversion module and external equipment, so that the temperature conversion module is connected with the external equipment conveniently.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An integrated temperature sensor transmitter, comprising:
the temperature measuring probe comprises a temperature measuring needle body and a temperature sensor arranged at one end of the temperature measuring needle body;
the transmitter comprises a temperature conversion module, the temperature conversion module is electrically connected with the temperature sensor and is used for converting temperature data acquired by the temperature sensor into an electric signal;
the protection shell is connected with the temperature measuring probe, and the transmitter is arranged in the protection shell.
2. The integrated temperature sensor transmitter of claim 1, wherein the temperature measuring pin body is cylindrical, the temperature measuring pin body is provided with a through hole penetrating through two ends, a lead is arranged in the through hole, one end of the lead is connected with the temperature conversion module, and the other end of the lead is connected with the temperature sensor; and the through hole is filled with heat conduction powder.
3. The integrated temperature sensor transmitter of claim 2, wherein the temperature sensor is a Pt100 platinum resistor.
4. The integrated temperature sensor transmitter of claim 1, wherein the temperature conversion module comprises a PCB board on which the temperature conversion circuit is disposed.
5. The integrated temperature sensor transmitter of claim 4, wherein the temperature conversion circuit comprises a transistor, the transistor housing is provided with an aluminum block, two ends of the aluminum block are fixedly arranged on the PCB, a heat conducting member is arranged between the aluminum block and the transistor, one end of the heat conducting member is in contact with the transistor, and the other end of the heat conducting member is in contact with the aluminum block; the heat conducting piece is made of heat conducting silicone grease.
6. The integrated temperature sensor transmitter of claim 4, wherein a terminal is disposed at an end of the PCB opposite to the temperature probe, the terminal is connected to the temperature conversion circuit, and the terminal is connected to an external device through a wire; the number of the wiring terminals is 2.
7. The integrated temperature sensor transmitter of claim 1, wherein the protection housing comprises an upper housing and a lower housing which are matched with each other, the upper housing and the lower housing are both cylindrical, threads are arranged on the inner peripheral side of the upper housing, threads are arranged on the outer peripheral side of the lower housing, and a cavity for accommodating the temperature conversion module is formed in the connection between the upper housing and the lower housing.
8. The integrated temperature sensor transmitter of claim 7, wherein a connection nozzle is disposed at an end of the lower housing opposite to the upper housing, and the connection nozzle is connected to the temperature probe.
9. The integrated temperature sensor transmitter of claim 7, wherein the lower housing and the upper housing are provided with screw holes at corresponding positions, and the screw holes are provided on the peripheral sides of the lower housing and the upper housing for fixing the temperature conversion module.
10. The integrated temperature sensor transmitter of claim 7, wherein a wire guide is provided at an end of the upper housing opposite the lower housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368300.6U CN211042502U (en) | 2019-12-26 | 2019-12-26 | Integrated temperature sensor transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368300.6U CN211042502U (en) | 2019-12-26 | 2019-12-26 | Integrated temperature sensor transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN211042502U true CN211042502U (en) | 2020-07-17 |
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| CN201922368300.6U Active CN211042502U (en) | 2019-12-26 | 2019-12-26 | Integrated temperature sensor transmitter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588111A (en) * | 2021-08-05 | 2021-11-02 | 西安领创电子科技有限公司 | Temperature probe and manufacturing method thereof |
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2019
- 2019-12-26 CN CN201922368300.6U patent/CN211042502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588111A (en) * | 2021-08-05 | 2021-11-02 | 西安领创电子科技有限公司 | Temperature probe and manufacturing method thereof |
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