CN212513401U - Soil temperature measuring device - Google Patents
Soil temperature measuring device Download PDFInfo
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- CN212513401U CN212513401U CN202021627327.9U CN202021627327U CN212513401U CN 212513401 U CN212513401 U CN 212513401U CN 202021627327 U CN202021627327 U CN 202021627327U CN 212513401 U CN212513401 U CN 212513401U
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- measuring device
- temperature measuring
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- soil temperature
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Abstract
The utility model discloses a soil temperature measuring device, including test probe, test probe passes through the transmission cable and is connected with main control system, wherein: the detection probe comprises a stainless steel circular tube-shaped shell, a digital temperature sensor is arranged in an inner cavity of the shell, threads are arranged on the outer wall of the shell, a pointed conical head is arranged at the bottom of the shell, a hand rotating rod is arranged at the top of the shell, a cable connector is installed on the hand rotating rod, a signal port of the temperature sensor is connected with the cable connector through a signal cable, and the cable connector is connected with a corresponding signal port of a control host through a transmission cable. The utility model discloses can accurately obtain soil temperature data fast, convenient operation, swift, reliable has avoided the drift problem at zero point.
Description
Technical Field
The utility model relates to a temperature measuring device indicates a soil temperature measuring device who is used for open-air hydrogeology investigation especially.
Background
At present, when the soil temperature is investigated in the field hydrogeology, a probe provided with a simulation type temperature sensor is usually adopted to obtain a temperature signal of the soil, and then the temperature signal is transmitted to a control host machine through a cable to be processed, so that a temperature value is obtained. It can be found from the actual implementation that because the analog temperature sensor outputs the analog signal, it needs to be connected with a signal conditioning circuit to perform corresponding processing such as analog-to-digital conversion on the acquired temperature signal, so that after long-time use, the temperature sensor can generate temperature drift, thereby causing the acquired temperature data to be inaccurate, and in addition, the temperature calibration needs to be performed again when a new temperature sensor is replaced, the operation is complex, the data accuracy is greatly reduced, and the requirement of rapid measurement cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soil temperature measuring device, it can be accurate obtain soil temperature data fast, convenient operation, swift, reliable has avoided the drift problem at zero point.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a soil temperature measuring device which characterized in that: it includes test probe, and test probe passes through the transmission cable and is connected with the main control system, wherein: the detection probe comprises a stainless steel circular tube-shaped shell, a digital temperature sensor is arranged in an inner cavity of the shell, threads are arranged on the outer wall of the shell, a pointed conical head is arranged at the bottom of the shell, a hand rotating rod is arranged at the top of the shell, a cable connector is installed on the hand rotating rod, a signal port of the temperature sensor is connected with the cable connector through a signal cable, and the cable connector is connected with a corresponding signal port of a control host through a transmission cable.
The utility model has the advantages that:
the utility model discloses soil temperature measuring device can accurately obtain soil temperature data fast, and convenient operation, swift, reliable have avoided the drift problem at zero point, for open-air hydrogeology investigation soil temperature provides reliable, accurate data support, and it is portable to use, is suitable for the popularization.
Drawings
Fig. 1 is a schematic diagram of the soil temperature measuring device of the present invention.
Fig. 2 is a schematic structural diagram of the detection probe.
Detailed Description
As shown in fig. 1 and fig. 2, the soil temperature measuring device of the present invention includes a detecting probe 10 for collecting soil temperature signals, the detecting probe 10 is connected with a control host 40 through a transmission cable 20, wherein: the detection probe 10 comprises a stainless steel circular tube-shaped shell 11, a digital temperature sensor 15 is arranged in an inner cavity of the shell 11, threads 110 are arranged on the outer wall of the shell 11, a pointed conical head 12 is arranged at the bottom of the shell 11, a hand rotating rod 13 is arranged at the top of the shell 11, a cable connector 14 is installed on the hand rotating rod 13, a signal port of the temperature sensor 15 is connected with the cable connector 14 through a signal cable 20', and the cable connector 14 is connected with a corresponding signal port of the control host 40 through a transmission cable 20.
In actual practice, the housing 11 is machined from 316 material. The utility model discloses in, the design of the sharp conical head 12 on the shell 11 and hand rotary rod 13 makes during test probe 10 is convenient for insert the soil that is surveyed, when bringing convenient to use, can also protect temperature sensor 15 in the shell 11 can not receive the damage in the use. The threads 110 on the housing 11 are designed so that the test probe 10 remains stationary after insertion into the soil being tested to ensure measurement accuracy.
As shown in fig. 2, the housing 11 is tapered from top to bottom, and the temperature sensor 15 is fixed at the lower part in the housing 11 through a thermal grease (not shown, existing material) filled in the housing 11, i.e. the temperature sensor 15 is enclosed in the housing 11, and the thermal grease with good thermal conductivity is used to ensure that the temperature of the soil 50 can be well transmitted to the temperature sensor 15 through the housing 11 for measurement.
As shown in fig. 2, the hand lever 13 closes the top opening of the housing 11 and forms a T-shape with the housing 11.
In practical design, the two ends of the hand rotating rod 13 are provided with elliptical hand holding grooves 130 for facilitating hand holding.
Further, the surface of the grip groove 130 may be provided with non-slip protrusions (not shown).
As shown in fig. 2, the temperature sensor 15 is preferably a DS18B20 type digital temperature sensor. Particularly, the utility model discloses in, temperature sensor 15 adopts general digital type temperature sensor DS18B20 on the market, and its is with low costs, and measurement accuracy is higher (0.5 ℃) at-10 ℃ -85 ℃ within range, can satisfy the required precision of open-air hydrogeological survey soil temperature.
In practical design, one end of the transmission cable 20 is connected with the cable connector 14 on the hand rotating rod 13 in a pluggable manner, so that the hand rotating rod is convenient to disassemble, assemble and carry.
As shown in fig. 1, the transmission cable 20 connected between the inspection probe 10 and the control main unit 40 is wound around the cable reel 30.
In the present invention, the control host 40 may adopt an electronic processing device in the field that has basic functions such as data transmission and processing, and the cable take-up and pay-off reel 30 may adopt a cable take-up and pay-off reel in the field that has basic functions such as releasing and taking back cables and automatically locking cables, and will not be described in detail herein.
When the temperature sensor is used, the conical head 12 of the detection probe 10 is inserted into the soil 50 to be detected, then the two ends of the hand-rotating rod 13 are held by hands, the detection probe 10 is rotated towards one direction while the shell 11 is kept to be basically vertical to the surface of the soil 50, so that the shell 11 is inserted into the soil 50 for a certain depth, then the detection probe 10 is kept stable and fixed in the soil 50, at the moment, one end of the transmission cable 20 can be connected to the cable connector 14, the other end of the transmission cable is connected with the control host 40, and the temperature sensor 15 is electrically communicated with the control host 40. The measurement can be started, and the temperature sensor 15 transmits the detected temperature data to the control host 40, and the control host 40 performs related data processing and display.
The utility model has the advantages that:
the utility model discloses soil temperature measuring device can accurately obtain soil temperature data fast, and convenient operation, swift, reliable have avoided the drift problem at zero point, for open-air hydrogeology investigation soil temperature provides reliable, accurate data support, and it is portable to use, is suitable for the popularization.
The utility model discloses a temperature sensor of digital type compares with prior art, need not set up signal conditioning circuit, has reduced the hardware circuit, and the structure obtains simplifying, has strengthened the interference killing feature to saved when changing temperature sensor and need carry out the work that the temperature was markd again because of drift reason at zero point, convenient operation is swift, and the temperature data of collection is accurate reliable.
The above description is the preferred embodiment of the present invention and the technical principle applied by the preferred embodiment, and for those skilled in the art, without departing from the spirit and scope of the present invention, any obvious changes based on the equivalent transformation, simple replacement, etc. of the technical solution of the present invention all belong to the protection scope of the present invention.
Claims (8)
1. A soil temperature measuring device which characterized in that: it includes test probe, and test probe passes through the transmission cable and is connected with the main control system, wherein: the detection probe comprises a stainless steel circular tube-shaped shell, a digital temperature sensor is arranged in an inner cavity of the shell, threads are arranged on the outer wall of the shell, a pointed conical head is arranged at the bottom of the shell, a hand rotating rod is arranged at the top of the shell, a cable connector is installed on the hand rotating rod, a signal port of the temperature sensor is connected with the cable connector through a signal cable, and the cable connector is connected with a corresponding signal port of a control host through a transmission cable.
2. The soil temperature measuring device of claim 1, wherein:
the shell is tapered from top to bottom, and the temperature sensor is fixed at the lower part in the shell through heat-conducting grease filled in the shell.
3. The soil temperature measuring device of claim 1, wherein:
the handle lever seals the top opening of the housing and forms a T-shape with the housing.
4. The soil temperature measuring device of claim 3, wherein:
the two ends of the hand rotating rod are provided with oval hand holding grooves.
5. The soil temperature measuring device of claim 4, wherein:
the surface of the hand holding groove is provided with anti-skidding convex points.
6. The soil temperature measuring device of any one of claims 1 to 5, wherein:
the temperature sensor is a DS18B20 type temperature sensor.
7. The soil temperature measuring device of any one of claims 1 to 5, wherein:
the transmission cable is connected with the cable connector on the hand rotating rod in a pluggable mode.
8. The soil temperature measuring device of claim 7, wherein:
the transmission cable connected between the detection probe and the control host is wound on the cable take-up and pay-off disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627327.9U CN212513401U (en) | 2020-08-07 | 2020-08-07 | Soil temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627327.9U CN212513401U (en) | 2020-08-07 | 2020-08-07 | Soil temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212513401U true CN212513401U (en) | 2021-02-09 |
Family
ID=74383669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021627327.9U Expired - Fee Related CN212513401U (en) | 2020-08-07 | 2020-08-07 | Soil temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212513401U (en) |
-
2020
- 2020-08-07 CN CN202021627327.9U patent/CN212513401U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 Termination date: 20210807 |