CN213301507U - Temperature sensing device suitable for temperature measurement in heating power industry - Google Patents
Temperature sensing device suitable for temperature measurement in heating power industry Download PDFInfo
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- CN213301507U CN213301507U CN202022102476.XU CN202022102476U CN213301507U CN 213301507 U CN213301507 U CN 213301507U CN 202022102476 U CN202022102476 U CN 202022102476U CN 213301507 U CN213301507 U CN 213301507U
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Abstract
The utility model relates to a temperature sensor, or a temperature sensing device who is fit for heating power trade temperature measurement usefulness, its characteristic: at least comprises the following steps: the temperature sensor is connected with the measuring unit through a wire of the heat insulation connecting wire; the heat insulation connecting wire is used for eliminating the influence of the temperature increase generated by the measuring unit on the ambient temperature detected by the temperature sensor. The temperature sensing device is suitable for temperature measurement in the thermal industry so as to reduce indoor temperature detection errors.
Description
Technical Field
The utility model relates to a temperature sensor, or a temperature sensing device who is fit for heating power trade temperature measurement usefulness.
Background
In the heating power industry, the indoor temperature of supply heating households needs to be measured in real time to adjust the temperature and the flow of supply and return water, wherein a temperature detection device is a very important ring for temperature acquisition and directly influences the heat supply quality of supply heating households.
Because the temperature detection device for supply heating households comprises the switching power supply, the communication module (4G, NB and the like) and the temperature probe, in the working state, the heat generated by the switching power supply and the communication module can influence the detection value of the indoor temperature of supply heating households, which is detected by the temperature probe. The temperature detected by the existing temperature detection device can be 1.5 to 5 degrees higher than the indoor temperature, and even higher. The background is needed for temperature compensation, which is caused by the change of the environmental temperature, and the compensation effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temperature sensing device that is fit for heating power trade temperature measurement usefulness to reduce indoor temperature and detect the error.
The utility model aims at realizing like this, a temperature sensing device that is fit for heating power trade temperature measurement usefulness, its characteristic: at least comprises the following steps: the temperature sensor is connected with the measuring unit through a wire of the heat insulation connecting wire; the heat insulation connecting wire is used for eliminating the influence of the temperature increase generated by the measuring unit on the ambient temperature detected by the temperature sensor.
The heat insulation connecting wire adopts a double-lead spiral coil structure, the double leads at one end of the double-lead spiral coil are connected with two electrodes of the temperature sensor, and the other end of the double-lead spiral coil is connected with the measuring unit.
And a space is reserved between the two-wire spiral coil ring and the coil.
The width d of the space is required to achieve thermal isolation of air, and is preferably greater than 0.5 mm.
The temperature sensor is a thermistor or an integrated temperature sensor or a thermocouple.
The shape and the number of turns of the double-lead spiral coil are finally reflected on the length, and the length of the double-lead spiral coil is based on the isolation of the ambient temperature and the temperature in the measuring unit.
The double-lead spiral coil is in a circle or square circle or ellipse shape.
The heat insulation connecting wire adopts a structure of two single-wire spiral coils, electrodes at one ends of the two single-wire spiral coils are respectively connected with the temperature sensor, and the other ends of the two single-wire spiral coils are respectively connected with the measuring unit.
The double-lead spiral coil is supported by a central rod-shaped supporting body, and the temperature sensor is fixed on the central rod-shaped supporting body.
The measuring unit is a device which can generate heat to influence the sensing value of the temperature sensor in the temperature measuring device.
The utility model has the advantages that: a spiral lead is added behind the temperature probe and then connected to the mainboard; the probe and the spiral lead are arranged in the radiating pipe below the equipment. The distance is increased by the spiral lead, and the spiral coil and the coil are cooled by air or heat conducting materials, so that the temperature influence between the temperature probe and the measuring equipment is reduced. The temperature conduction effect of the internal heating device on the temperature probe through the shell or the lead can be effectively prevented.
Drawings
The present invention will be further explained with reference to the following embodiments and accompanying drawings:
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure, 1, a heat insulation connecting line; 2. spacing; 3. a temperature sensor; 4. a central rod-like support; 5. an electrode; 6. a single-wire helical coil; 7. a measuring unit.
Detailed Description
Example 1
As shown in fig. 1, a temperature sensing device suitable for temperature measurement in the thermal industry at least comprises: the temperature sensor 3 is connected with the measuring unit 7 through a wire by the heat insulation connecting wire 1; the heat insulation connecting wire 1 adopts a double-lead spiral coil structure, the double leads at one end of the double-lead spiral coil are connected with two electrodes 5 of the temperature sensor, and the other end of the double-lead spiral coil is connected with a measuring unit 7. The heat insulation connecting wire 1 is used for eliminating the influence of the increased temperature generated by the measuring unit 7 on the environment temperature detected by the temperature sensor 3.
The space 2 is arranged between the two-wire spiral coil rings, the width d of the space 2 is required to realize air thermal isolation, and is preferably more than 0.5mm, which is only referred to.
The temperature sensor 3 is a thermistor which has the characteristics of small volume, low price and convenient use. Of course, the temperature sensor 3 may also use an integrated temperature sensor AD590 or a thermocouple.
The shape and number of turns of the two-wire spiral coil are ultimately reflected in the length, which is based on achieving isolation of the ambient temperature from the temperature within the measurement unit 7. The shape of the two-wire helical coil is not limited in any way as to whether it is a circle or a square or an ellipse.
Example 2
As shown in fig. 2, a temperature sensing device suitable for temperature measurement in the thermal industry at least comprises: the temperature sensor 3 is connected with the measuring unit 7 through a wire by the heat insulation connecting wire 1; the heat insulation connecting wire 1 adopts a structure of two single-wire spiral coils 6, electrodes 5 at one ends of the two single-wire spiral coils 6 are respectively connected with the temperature sensor 3, and the other ends of the two single-wire spiral coils are respectively connected with the measuring unit 7.
The two single-wire spiral coils 6 are spaced by 2, and the width d of the space 2 is required to realize air thermal isolation, and is preferably greater than 0.5mm, although this is only a reference.
The temperature sensor 3 is a thermistor which has the characteristics of small volume, low price and convenient use. Of course, the temperature sensor 3 may also use an integrated temperature sensor AD590 or a thermocouple.
The shape and number of turns of the two single-wire spiral coils 6 are ultimately reflected in the length, which is based on the isolation of the ambient temperature from the temperature in the measuring unit 7. The shape of the two single-wire spiral coils 6 is not limited in any way to a circle or a square circle or an ellipse.
Example 3
As shown in fig. 3, a temperature sensing device suitable for temperature measurement in the thermal industry at least comprises: the temperature sensor 3 is connected with the measuring unit 7 through a wire by the heat insulation connecting wire 1; the heat insulation connecting wire 1 adopts a double-lead spiral coil structure, the double leads at one end of the double-lead spiral coil are connected with two electrodes 5 of the temperature sensor, and the other end of the double-lead spiral coil is connected with a measuring unit 7. The double-lead spiral coil is supported by a central rod-shaped supporting body 4, and the temperature sensor 3 is fixed on the central rod-shaped supporting body 4.
The space 2 is arranged between the two-wire spiral coil rings, the width d of the space 2 is required to realize air thermal isolation, and is preferably more than 0.5mm, which is only referred to.
The temperature sensor 3 is a thermistor which has the characteristics of small volume, low price and convenient use. Of course, the temperature sensor 3 may also use an integrated temperature sensor AD590 or a thermocouple.
The shape and number of turns of the two-wire spiral coil are ultimately reflected in the length, which is based on achieving isolation of the ambient temperature from the temperature within the measurement unit 7. The shape of the two-wire helical coil is not limited in any way as to whether it is a circle or a square or an ellipse.
It should be noted that the measuring unit 7 is a device that generates heat in the temperature measuring device to affect the sensing value of the temperature sensor.
The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (7)
1. The utility model provides a temperature sensing device that is fit for heating power trade temperature measurement usefulness which characterized by: at least comprises the following steps: the temperature sensor (3) is connected with the measuring unit (7) through a wire of the heat insulation connecting wire (1); the heat insulation connecting wire (1) adopts a double-lead spiral coil structure, the double leads at one end of the double-lead spiral coil are connected with two electrodes (5) of the temperature sensor, and the other end of the double-lead spiral coil is connected with a measuring unit (7); the measuring unit (7) is a device which can generate heat to influence the induction value of the temperature sensor in the temperature measuring device.
2. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 1, wherein: and a space (2) is reserved between the two-wire spiral coil rings.
3. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 2, wherein the width d of the space (2) is greater than 0.5 mm.
4. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 1, wherein: the temperature sensor (3) is a thermistor or an integrated temperature sensor or a thermocouple.
5. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 1, wherein: the double-lead spiral coil is in a circle or square circle or ellipse shape.
6. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 1, wherein: the heat insulation connecting wire (1) adopts a structure of two single-wire spiral coils (6), electrodes (5) at one ends of the two single-wire spiral coils (6) are respectively connected with the temperature sensor (3), and the other ends of the two single-wire spiral coils are respectively connected with the measuring unit (7).
7. The temperature sensing device suitable for temperature measurement in the thermal industry as claimed in claim 1, wherein: the double-lead spiral coil is supported by a central rod-shaped supporting body (4), and the temperature sensor (3) is fixed on the central rod-shaped supporting body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022102476.XU CN213301507U (en) | 2020-09-23 | 2020-09-23 | Temperature sensing device suitable for temperature measurement in heating power industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022102476.XU CN213301507U (en) | 2020-09-23 | 2020-09-23 | Temperature sensing device suitable for temperature measurement in heating power industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301507U true CN213301507U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022102476.XU Active CN213301507U (en) | 2020-09-23 | 2020-09-23 | Temperature sensing device suitable for temperature measurement in heating power industry |
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| CN (1) | CN213301507U (en) |
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- 2020-09-23 CN CN202022102476.XU patent/CN213301507U/en active Active
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