CN219285077U - Bury hole temperature test detecting system - Google Patents
Bury hole temperature test detecting system Download PDFInfo
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- CN219285077U CN219285077U CN202223332892.4U CN202223332892U CN219285077U CN 219285077 U CN219285077 U CN 219285077U CN 202223332892 U CN202223332892 U CN 202223332892U CN 219285077 U CN219285077 U CN 219285077U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model discloses a buried hole temperature test detection system, which comprises a water tank, wherein the inlet position of the water tank is connected with a water outlet pipeline, the outlet position of the water tank is connected with a water inlet pipeline, the water inlet pipeline and the water outlet pipeline are connected with a U-shaped PE pipe heat exchanger in a test hole to form a closed loop, and the water inlet pipeline and the water outlet pipeline are connected with a thermal response tester through connecting wires; the test detection system is fixed in a mobile vehicle body or a mobile container, a water inlet temperature sensor, a water inlet temperature detector and an electromagnetic flowmeter are arranged on the water inlet pipeline, and the water inlet temperature sensor, the water inlet temperature detector and the electromagnetic flowmeter are arranged on the water inlet pipeline in series at intervals; the water inlet pipeline is fixedly provided with a water pump at the connection position of the water tank, and a first pressure gauge is arranged between the electromagnetic flowmeter and the water pump.
Description
Technical Field
The utility model relates to the technical field of ground source heat pump testing, in particular to a buried hole temperature testing and detecting system.
Background
In recent years, with the continuous emphasis of the national use of renewable energy sources and energy conservation of buildings, the energy conservation and emission reduction are continuously mentioned, and a great support is provided for the ground source heat pump technology, the use of the technology will keep a rapid growth trend in the future, the total amount is continuously increased, the technology content is continuously increased, the heat source type is continuously increased, the industrial scale is continuously enlarged, the market price is gradually reduced, and the contribution for energy conservation and emission reduction is continuously provided. Therefore, the test requirement for the underground heat exchange amount of the implementation area is also higher and higher before the ground source heat pump technology is implemented.
At present, a ground source heat pump rock-soil thermal response tester is used for connecting a U-shaped pipe heat exchanger in a drill hole with a water inlet and a water outlet of a test hole pipeline during testing to form a closed loop. The liquid in the water pump driving pipeline is circulated, the electric heater is used as a heat source to heat the liquid, and the controller is used for controlling the heat input into the underground, so that the heat input into the underground is ensured to be constant. The tester collects data such as inlet and outlet fluid temperature, fluid flow value, heating capacity of an electric heater and the like of the buried pipe heat exchanger which continuously runs for 48 hours, and obtains the thermal physical parameters of soil such as stratum average heat conduction coefficient, drilling thermal resistance and the like after analysis and calculation according to the linear heat source model.
However, because the construction area is often more changeable, problems such as severe site conditions, power failure in the middle and the like occur in some cases, so that the fault problem of the tester cannot be found in time, the measured data error is extremely large, the test result cannot accurately reflect the condition of the ground temperature field of the construction area, and the early investigation and the later design construction direction of the project can be greatly influenced.
In order to solve the current problem of the industry, a flowing buried hole temperature test detector system is designed to ensure continuous power supply in a test stage.
Disclosure of Invention
The utility model aims to provide a buried hole temperature test detection system, which is characterized in that a temperature sensor and a temperature detector are respectively added on a water inlet side and a water outlet side of a buried pipe, and the temperature sensor transmits the temperature to a thermal response tester through a circuit; and comparing the display temperature of the temperature detector with the temperature measured by the tester, and if the difference between the display temperature and the temperature measured by the tester is within the allowable error range, testing results of the thermal response tester are accurate.
The utility model aims at realizing the following technical scheme: the buried hole temperature test detection system comprises a water tank, wherein the inlet position of the water tank is connected with a water outlet pipeline, the outlet position of the water tank is connected with a water inlet pipeline, and the water inlet pipeline and the water outlet pipeline are connected with a U-shaped PE pipe heat exchanger in a test hole to form a closed loop; the water inlet pipeline and the water outlet pipeline are connected with a thermal response tester through a connecting wire;
the test detection system is fixed in a mobile vehicle body or in a mobile container.
Further, a water inlet temperature sensor, a water inlet temperature detector and an electromagnetic flowmeter are arranged on the water inlet pipeline, and the water inlet temperature sensor, the water inlet temperature detector and the electromagnetic flowmeter are arranged on the water inlet pipeline in series at intervals;
and a water pump is fixedly arranged at the connection position of the water inlet pipeline and the water tank.
Further, a first pressure gauge is arranged between the electromagnetic flowmeter and the water pump, and a gate valve is arranged between the water pump and the first pressure gauge;
and a second pressure gauge is arranged on the water inlet pipeline close to the position of the U-shaped PE pipe heat exchanger in the test hole.
Further, the water outlet pipeline is provided with a water outlet temperature sensor, a water outlet temperature detector and an electric heater, wherein the water outlet temperature sensor, the water outlet temperature detector and the electric heater are arranged in series at intervals in the water outlet pipeline, and the electric heater is close to the position of the water tank.
Further, a third pressure gauge is arranged at one end, close to the U-shaped PE tube heat exchanger in the test hole, of the water outlet pipeline.
Further, the water outlet temperature sensor on the water outlet pipeline is connected with a thermal response tester through a connecting wire.
Further, a water inlet temperature sensor arranged on the water inlet pipeline is connected with a thermal response tester through a connecting wire.
Further, control valves are arranged at the connection positions of the water inlet pipeline and the water outlet pipeline and the U-shaped PE pipe heat exchanger in the test hole, and the control valves are gate valves.
Further, a control valve is arranged between the water outlet temperature detector and the electric heater, and the control valve is a gate valve.
Further, a control valve is arranged between the water pump and the water tank, and the control valve is a gate valve.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model connects the U-shaped PE pipe heat exchanger in the test hole with the water inlet and the water outlet of the tester pipeline to form a closed loop. And when the water pump is used for driving the liquid in the pipeline to circulate, the water pump is started during detection, so that the water in the system pipeline starts to circulate. And then the electric heater is started to heat the water in the pipeline. A temperature sensor and a temperature detector are respectively added at the water inlet side and the water outlet side of the buried pipe, and the temperature sensor transmits the temperature to a thermal response tester through a circuit; and comparing the display temperature of the temperature detector with the temperature measured by the tester, and if the difference between the display temperature and the temperature measured by the tester is within the allowable error range, testing results of the thermal response tester are accurate.
According to the utility model, the thermal response tester is detected through the temperature detector, so that the accuracy of test data can be effectively monitored, the data accuracy is improved, the construction period is saved, and the detection cost can be reduced.
Drawings
FIG. 1 is a schematic diagram of a system of the present utility model;
FIG. 2 is a schematic diagram of a system of the present utility model having a thermal response tester.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
1-2, the buried hole temperature test detection system comprises a water tank 1, wherein an inlet position of the water tank 1 is connected with a water outlet pipeline 3, an outlet position of the water tank 1 is connected with a water inlet pipeline 2, and the water inlet pipeline 2 and the water outlet pipeline 3 are connected with a U-shaped PE pipe heat exchanger in a test hole to form a closed loop;
the water inlet pipeline 2 and the water outlet pipeline 3 are connected with a thermal response tester through connecting wires;
the test detection system is fixed in a mobile vehicle body or a mobile container (convenient for mobile operation).
In order to facilitate the detection of the water body of the water inlet pipeline 2 through the water inlet temperature sensor 7 and the water inlet temperature detector 8 in the use state, the water inlet temperature sensor and the water inlet temperature detector 8 are compared with the thermal response tester 14 to reduce errors, and the further preferred technical scheme of the utility model is that the water inlet pipeline 2 is provided with the water inlet temperature sensor 7, the water inlet temperature detector 8 and the electromagnetic flowmeter 9, and the water inlet temperature sensor 7, the water inlet temperature detector 8 and the electromagnetic flowmeter 9 are arranged on the water inlet pipeline 2 in series at intervals;
the water pump 13 is fixedly arranged at the connection position of the water inlet pipeline 2 and the water tank 1.
In order to facilitate the detection of the pressure value of the water inlet pipeline 2 by the first pressure gauge in the use state, a further preferable technical scheme of the utility model is that a first pressure gauge 10 is arranged between the electromagnetic flowmeter 9 and the water pump 13, and a gate valve is arranged between the water pump 13 and the first pressure gauge 10 (for detecting the pressure value in the pipeline);
and a second pressure gauge 11 (for detecting the pressure value in the pipeline) is arranged on the water inlet pipeline 2 close to the U-shaped PE pipe heat exchanger in the test hole.
In order to facilitate the detection of the water body of the water outlet pipeline 3 through the water outlet temperature sensor 4 and the water outlet temperature detector 5 in the use state, the water outlet temperature sensor 4, the water outlet temperature detector 5 and the thermal response tester 14 form comparison to reduce errors, and the further preferred technical scheme of the utility model is that the water outlet pipeline 3 is provided with the water outlet temperature sensor 4, the water outlet temperature detector 5 and the electric heater 6, the water outlet temperature sensor 4, the water outlet temperature detector 5 and the electric heater 6 are arranged in the water outlet pipeline 3 in series at intervals, and the electric heater 6 is adjacent to the water tank 1.
And a third pressure gauge 11 is arranged at one end of the water outlet pipeline 3, which is close to the U-shaped PE tube heat exchanger in the test hole.
In order to facilitate the addition of a temperature sensor and a temperature detector on the water inlet side and the water outlet side of the buried pipe respectively, the temperature sensor transmits the temperature to a thermal response tester through a circuit, parameters can be read and recorded on the tester, and the underground input heat is controlled through a controller (a fixed and flowing type car body or an electric control system in a container body) to ensure the constant input underground heat.
In order to control the closing and opening of the water inlet pipeline 2 and the water outlet pipeline 3 in a using state conveniently, control valves are arranged at the connection positions of the water inlet pipeline 2 and the water outlet pipeline 3 and the U-shaped PE pipe heat exchanger in the test hole, and the control valves are gate valves.
A control valve is arranged between the water outlet temperature detector 5 and the electric heater 6, and the control valve is a gate valve (closed and opened).
A control valve is arranged between the water pump 13 and the water tank, and the control valve is a gate valve (closed and opened).
The buried hole temperature test detector system can be equipped on a traditional test system, and the test result of the ground source heat pump rock-soil thermal response tester is checked constantly.
The buried hole temperature test detection system has the working principle that a U-shaped PE pipe heat exchanger in a test hole is connected with a water inlet and a water outlet of a pipeline of a tester to form a closed loop during flow test. And when the water pump is used for driving the liquid in the pipeline to circulate, the water pump is started during detection, so that the water in the system pipeline starts to circulate. And then the electric heater is started to heat the water in the pipeline. And a temperature sensor and a temperature detector are respectively added at the water inlet side and the water outlet side of the buried pipe, the temperature sensor transmits the temperature to a thermal response tester through a circuit, and parameters can be read and recorded on the tester. And the controller is used for controlling the heat input into the underground, so that the constant heat input into the underground is ensured. The tester collects the data of inlet and outlet fluid temperature, fluid flow value, heating capacity of the electric heater and the like of the buried pipe heat exchanger which continuously runs for 48 hours. And then comparing the display temperature of the temperature detector with the temperature measured by the tester, and if the difference between the display temperature and the temperature measured by the tester is within the allowable error range, the test result of the thermal response tester is accurate. If the temperature difference between the two is too large, the problem of the thermal response tester is indicated. Inspection and maintenance are needed before and during the test.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The buried hole temperature test detection system is characterized in that: the test detection system comprises a water tank (1), wherein an inlet position of the water tank (1) is connected with a water outlet pipeline (3), an outlet position of the water tank (1) is connected with a water inlet pipeline (2), and the water inlet pipeline (2) and the water outlet pipeline (3) are connected with a U-shaped PE pipe heat exchanger in a test hole to form a closed loop;
the water inlet pipeline (2) and the water outlet pipeline (3) are connected with a thermal response tester through connecting wires;
the test detection system is fixed in a mobile vehicle body or in a mobile container.
2. The buried via temperature test and detection system of claim 1, wherein: the water inlet pipeline (2) is provided with a water inlet temperature sensor (7), a water inlet temperature detector (8) and an electromagnetic flowmeter (9), and the water inlet temperature sensor (7), the water inlet temperature detector (8) and the electromagnetic flowmeter (9) are arranged on the water inlet pipeline (2) in series at intervals;
the water pump (13) is fixedly arranged at the connection position of the water inlet pipeline (2) and the water tank (1).
3. The buried via temperature test and detection system according to claim 2, wherein: a first pressure gauge (10) is arranged between the electromagnetic flowmeter (9) and the water pump (13), and a gate valve is arranged between the water pump (13) and the first pressure gauge (10);
and a second pressure gauge (11) is arranged on the water inlet pipeline (2) close to the position of the U-shaped PE pipe heat exchanger in the test hole.
4. The buried via temperature test and detection system of claim 1, wherein: the water outlet pipeline (3) is provided with a water outlet temperature sensor (4), a water outlet temperature detector (5) and an electric heater (6), wherein the water outlet temperature sensor (4), the water outlet temperature detector (5) and the electric heater (6) are arranged in series at intervals in the water outlet pipeline (3), and the electric heater (6) is close to the position of the water tank (1).
5. The system for testing and detecting the temperature of a buried via according to claim 4, wherein: and a third pressure gauge (12) is arranged at one end, close to the U-shaped PE tube heat exchanger in the test hole, of the water outlet pipeline (3).
6. The system for testing and detecting the temperature of a buried via according to claim 5, wherein: the water outlet temperature sensor (4) on the water outlet pipeline (3) is connected with a thermal response tester (14) through a connecting wire.
7. The buried via temperature test and detection system according to claim 2, wherein: the water inlet temperature sensor (7) arranged on the water inlet pipeline (2) is connected with the thermal response tester (14) through a connecting wire.
8. The buried via temperature test and detection system of claim 1, wherein: the connection positions of the water inlet pipeline (2) and the water outlet pipeline (3) and the U-shaped PE pipe heat exchanger in the test hole are provided with control valves, and the control valves are gate valves.
9. The system for testing and detecting the temperature of a buried via according to claim 5, wherein: a control valve is arranged between the water outlet temperature detector (5) and the electric heater (6), and the control valve is a gate valve.
10. A buried via temperature test and detection system as set forth in claim 3 wherein: a control valve is arranged between the water pump (13) and the water tank (1), and the control valve is a gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332892.4U CN219285077U (en) | 2022-12-13 | 2022-12-13 | Bury hole temperature test detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332892.4U CN219285077U (en) | 2022-12-13 | 2022-12-13 | Bury hole temperature test detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219285077U true CN219285077U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223332892.4U Active CN219285077U (en) | 2022-12-13 | 2022-12-13 | Bury hole temperature test detecting system |
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| Country | Link |
|---|---|
| CN (1) | CN219285077U (en) |
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2022
- 2022-12-13 CN CN202223332892.4U patent/CN219285077U/en active Active
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