Geothermal layer temperature detection device for medium-deep geothermal energy

By using a thermally conductive sealing part and a through-hole structure in the geothermal layer temperature detection device for medium and deep geothermal energy, the problem of bubbles around the detection component is solved, and the accurate conduction and detection of temperature is achieved.

CN223205026UActive Publication Date: 2025-08-08CHINA PETROCHEMICAL CORP +1
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Patent Information

Application Number
CN202422450211.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-08-08
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

In the prior art, when detecting the geothermal layer temperature of medium and deep geothermal energy, bubbles will appear around the detection components, resulting in inaccurate detection results.

Method used

A geothermal layer temperature detection device for medium and deep geothermal energy is designed. A thermal sealing part and a through hole are provided in the thermosensitive cap of the temperature measuring rod. The sensing part of the temperature detection component is inserted into the thermal sealing part, and the geothermal fluid contacts the thermal sealing part through the through hole to achieve accurate temperature conduction.

Benefits of technology

Accurate measurement of temperature in medium and deep geothermal energy detection is achieved, avoiding the generation of bubbles and improving the accuracy of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a geothermal layer temperature detection device for medium-deep geothermal energy, which relates to the technical field of geothermal layer temperature detection, and comprises a temperature measurement rod, the temperature measurement rod comprises a shell and a temperature sensing cap arranged at one end of the shell, a heat conduction sealing part is arranged in the temperature sensing cap, a through hole is formed in the side wall of the temperature sensing cap, and the through hole is communicated with the shell. The through hole enables the heat conduction sealing part to be in contact with external liquid, a temperature detection part is arranged in the temperature measurement rod, a sensing part of the temperature detection part is inserted into the heat conduction sealing part, and a lead of the temperature detection part is connected with the sensing part, penetrates through the shell and extends out of the shell from the upper end of the shell; the problem that in geothermal layer temperature detection of medium-deep geothermal energy in the prior art, bubbles can be generated around a detection component, and consequently the detection result is not accurate enough is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of geothermal layer temperature detection, and more specifically, relates to a geothermal layer temperature detection device for mid-deep geothermal energy. Background Art

[0002] Deep geothermal resources combine heat, minerals, and water, providing a clean, environmentally friendly energy source with wide applications in power generation, heating, healthcare, hot springs, farming, tourism, and real estate development. Geothermal resources are renewable and can be recycled in a comprehensive manner. They are pollution-free, easily exploited (directly), and have high development value. They are crucial for improving urban quality, the urban environment, energy structure, and living conditions. They can also yield significant economic, social, and environmental benefits.

[0003] Currently, when performing temperature detection on mid- to deep-layer geothermal energy, bubbles are generated around the detection components, resulting in inaccurate detection results from the equipment. Utility Model Content

[0004] The purpose of this utility model is to address the deficiencies in the existing technology and provide a geothermal layer temperature detection device for medium-deep geothermal energy, so as to solve the problem that in the existing technology of geothermal layer temperature detection for medium-deep geothermal energy, bubbles are generated around the detection components, resulting in inaccurate detection results.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a geothermal layer temperature detection device for medium-deep geothermal energy, comprising:

[0006] A temperature measuring rod, comprising a shell and a temperature sensing cap arranged at one end of the shell, a heat-conducting sealing portion being arranged inside the temperature sensing cap, a through hole being opened on the side wall of the temperature sensing cap, the through hole enabling the heat-conducting sealing portion to contact the external liquid, a temperature detecting component being arranged inside the temperature measuring rod, a sensing portion of the temperature detecting component being inserted into the heat-conducting sealing portion, a lead of the temperature detecting component being connected to the sensing portion and passing through the shell and extending from the upper end of the shell to the outside of the shell.

[0007] Optionally, the shell is a sealed shell, one end of the shell is sealedly connected to the temperature sensing cap, and the other end of the shell is sealedly connected to a connector, and the connector seals and wraps the lead.

[0008] Optionally, a hollow support rod and an elastic component are provided in the shell, one end of the elastic component contacts the heat-conductive sealing portion, the other end of the elastic component contacts one end of the support rod, and the other end of the support rod contacts the connector.

[0009] Optionally, a control unit is further included, the lead is connected to the control unit, and the control unit is used to receive a temperature sensing signal and output a temperature value.

[0010] Optionally, the control unit is provided with a display, and the display is used to display the temperature value.

[0011] Optionally, the lead is connected to a cable of the control unit by resistance welding or common terminal crimping.

[0012] Optionally, the material of the heat-conductive sealing portion is heat-conductive sealant.

[0013] Optionally, the temperature detection component is a temperature sensor.

[0014] Optionally, the shell is made of stainless steel.

[0015] Optionally, the elastic component is a spring.

[0016] The utility model provides a geothermal layer temperature detection device for medium-deep geothermal energy, and its beneficial effects are: the geothermal layer temperature detection device for medium-deep geothermal energy has a temperature measuring rod, a temperature sensing cap is provided at the end of the temperature measuring rod, the sensing part of the temperature detection component is inserted into the heat-conducting sealing part in the temperature sensing cap, and a through hole is provided on the side wall of the temperature sensing cap. When the temperature measuring rod is lowered into the geothermal layer, the geothermal fluid can enter the through hole and contact the heat-conducting sealing part to realize temperature conduction, and the temperature is conducted to the sensing part of the temperature detection component through the heat-conducting sealing part, thereby realizing accurate temperature detection.

[0017] Other features and advantages of the present invention will be described in detail in the subsequent detailed description of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0019] Figure 1 A schematic structural diagram of a geothermal layer temperature detection device for mid-deep geothermal energy according to an embodiment of the present utility model is shown.

[0020] Description of reference numerals:

[0021] 1. Shell; 2. Temperature sensing cap; 3. Thermal conductive sealing part; 4. Through hole; 5. Temperature detection component; 6. Connector; 7. Support rod; 8. Elastic component; 9. Control unit; 10. Cable. DETAILED DESCRIPTION

[0022] The following describes preferred embodiments of the present invention in greater detail. Although preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0023] like Figure 1 As shown, the utility model provides a geothermal layer temperature detection device for medium-deep geothermal energy, comprising:

[0024] The temperature measuring rod includes a shell 1 and a temperature sensing cap 2 arranged at one end of the shell 1. A heat-conducting sealing part 3 is arranged inside the temperature sensing cap 2. A through hole 4 is opened on the side wall of the temperature sensing cap 2. The through hole 4 enables the heat-conducting sealing part 3 to contact the external liquid. A temperature detection component 5 is arranged inside the temperature measuring rod. The sensing part of the temperature detection component 5 is inserted in the heat-conducting sealing part 3. The lead of the temperature detection component 5 is connected to the sensing part and passes through the shell 1 and extends from the upper end of the shell 1 to the outside of the shell 1.

[0025] Specifically, in order to solve the problem that bubbles are generated around the detection components in the geothermal layer temperature detection of medium and deep geothermal energy in the existing technology, resulting in inaccurate detection results; the geothermal layer temperature detection device for medium and deep geothermal energy provided by the present invention has a temperature measuring rod, and a temperature sensing cap 2 is provided at the end of the temperature measuring rod. The sensing part of the temperature detection component 5 is inserted in the heat-conducting sealing part 3 in the temperature sensing cap 2, and the side wall of the temperature sensing cap 2 is provided with a through hole 4. When the temperature measuring rod is lowered into the geothermal layer, the geothermal fluid can enter the through hole 4 and contact with the heat-conducting sealing part 3 to realize temperature conduction, and the temperature is conducted to the sensing part of the temperature detection component 5 through the heat-conducting sealing part 3, thereby realizing accurate temperature detection.

[0026] Optionally, the shell 1 is a sealed shell 1, one end of the shell 1 is sealed connected to the temperature sensing cap 2, and the other end of the shell 1 is sealed connected to the connector 6, and the connector 6 seals and wraps the lead.

[0027] Specifically, the housing 1 is a sealed housing 1 , which protects the temperature detection component 5 inside the housing 1 . The lead of the temperature detection component 5 passes through the connector 6 and is led out to the outside so as to be connected to the control and display unit of the temperature detection component 5 .

[0028] Optionally, a hollow support rod 7 and an elastic component 8 are provided in the shell 1, one end of the elastic component 8 contacts the heat-conducting sealing part 3, the other end of the elastic component 8 contacts one end of the support rod 7, and the other end of the support rod 7 contacts the connecting head 6.

[0029] Specifically, the support rod 7 is hollow, and the lead wire passes through the inside of the support rod 7 and the elastic component 8, and contacts the support rod 7 and the thermally conductive sealing part 3 in the temperature sensing cap 2 through the upper and lower ends of the elastic component 8, respectively, applying elastic force to the thermally conductive sealing part 3, effectively enhancing the installation stability of the thermally conductive sealing part 3.

[0030] Optionally, a control unit 9 is further included, and the lead is connected to the control unit 9. The control unit 9 is used to receive a temperature sensing signal and output a temperature value.

[0031] Specifically, the control unit 9 is a controller of the temperature detection component 5, and the two can be purchased as one and used for temperature detection.

[0032] Optionally, the control unit 9 is provided with a display for displaying the temperature value.

[0033] Specifically, a control unit 9 with a display function may be used to directly feed back the detected temperature value.

[0034] Optionally, the lead wires are connected to the cable 10 of the control unit 9 by resistance welding or common terminal crimping.

[0035] Specifically, the control unit 9 has a cable 10 connector, and the lead can be connected to the cable 10 connector by resistance welding or common terminal crimping. During testing, the control unit 9 is set above the ground to facilitate operation and obtain test results.

[0036] Optionally, the material of the heat-conducting sealing portion 3 is heat-conducting sealant.

[0037] Specifically, a thermally conductive sealant is used as the thermally conductive sealing part 3. During production, the sensing part is inserted into the thermally conductive sealant, and the sensing part is in full contact with the thermally conductive sealant without generating bubbles. At the same time, the thermally conductive sealant is sealed and connected to the inner wall of the temperature sensing cap 2. After the geothermal fluid enters the through hole 4 and contacts with the thermally conductive sealant, no bubbles will be generated, thereby improving the accuracy of temperature detection.

[0038] Optionally, the temperature detection component 5 is a temperature sensor.

[0039] Optionally, the material of the housing 1 is stainless steel.

[0040] Specifically, the housing 1 is made of stainless steel, which has good strength and corrosion resistance and is suitable for geothermal layer temperature detection.

[0041] Optionally, the elastic component 8 is a spring.

[0042] Specifically, the spring can be a helical compression spring, and the hollow portion is used for the lead wire to pass through.

[0043] In summary, when the geothermal layer temperature detection device for medium and deep geothermal energy provided by the present invention is used, the control unit 9 is placed above the ground, and the temperature measuring rod is lowered into the geothermal layer to be detected, so that the temperature sensing cap 2 is immersed in the geothermal fluid, and the geothermal fluid enters the through hole 4 and contacts with the thermal conductive sealant. The heat is conducted to the sensing part of the temperature sensor through the thermal conductive sealant, and the control unit 9 realizes temperature detection through the signal transmission of the lead wire, and the detected temperature value is displayed on the display. The temperature detection is accurate and is not affected by the detection depth and the depth of the geothermal fluid.

[0044] While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A geothermal layer temperature detection device for medium and deep geothermal energy, characterized in that: include: A temperature measuring rod, comprising a shell and a temperature sensing cap arranged at one end of the shell, a heat-conducting sealing portion being arranged inside the temperature sensing cap, a through hole being opened on the side wall of the temperature sensing cap, the through hole enabling the heat-conducting sealing portion to contact the external liquid, a temperature detecting component being arranged inside the temperature measuring rod, a sensing portion of the temperature detecting component being inserted into the heat-conducting sealing portion, a lead of the temperature detecting component being connected to the sensing portion and passing through the shell and extending from the upper end of the shell to the outside of the shell.

2. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 1, characterized in that: The shell is a sealed shell, one end of the shell is sealed and connected to the temperature sensing cap, and the other end of the shell is sealed and connected to a connector, and the connector seals and wraps the lead.

3. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 2, characterized in that: A hollow support rod and an elastic component are provided in the shell, one end of the elastic component contacts the heat-conducting sealing portion, the other end of the elastic component contacts one end of the support rod, and the other end of the support rod contacts the connector.

4. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 1, characterized in that: It also includes a control unit, the lead is connected to the control unit, and the control unit is used to receive a temperature sensing signal and output a temperature value.

5. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 4, characterized in that: The control unit is provided with a display, and the display is used to display the temperature value.

6. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 4, characterized in that: The lead wire is connected to the cable of the control unit by resistance welding or common terminal crimping.

7. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 1, characterized in that: The material of the heat-conducting sealing part is heat-conducting sealant.

8. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 1, characterized in that: The temperature detection component is a temperature sensor.

9. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 2, characterized in that: The shell is made of stainless steel.

10. The geothermal layer temperature detection device for mid-deep geothermal energy according to claim 3, characterized in that: The elastic component is a spring.