CN203364999U - Geothermal well temperature measurement system - Google Patents
Geothermal well temperature measurement system Download PDFInfo
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- CN203364999U CN203364999U CN 201320416400 CN201320416400U CN203364999U CN 203364999 U CN203364999 U CN 203364999U CN 201320416400 CN201320416400 CN 201320416400 CN 201320416400 U CN201320416400 U CN 201320416400U CN 203364999 U CN203364999 U CN 203364999U
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- temperature
- measurement system
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- geothermal well
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Abstract
The utility model relates to a geothermal well temperature measurement system. The geothermal well temperature measurement system comprises a plurality of temperature acquisition modules; each temperature acquisition module is connected with a plurality of temperature measuring cables through a cable bus; each temperature measuring cable includes a signal line and a plurality of digital temperature sensors each of which is provided with a field bus manager and an identification ID respectively; signal ends of the digital temperature sensors are connected with the signal line respectively; and the temperature acquisition module includes a temperature data processing module and a storage module which is connected with the temperature data processing module and stores all identification IDs. The geothermal well temperature measurement system of the utility model is provided with the digital temperature sensors with the field bus managers and the identification IDs, and therefore, a technical problem of inaccuracy in data in long-distance transmission existing in analog temperature sensors can be solved. The geothermal well temperature measurement system has high measuring precision; and the geothermal well temperature measurement system is provided with the identification IDs, so multi-point temperature simultaneous measurement can be performed.
Description
Technical field
The utility model relates to a kind of temperature measurement system, the concrete source, a kind of ground that refers to well temperature measurement system.
Background technology
Geothermal heat pump air-conditioning system utilizes thermal source or the heat sink of soil as the underground pipe heat interchanger, buildings is carried out to heat supply and cooling. in the underground pipe design of heat exchanger, the coefficient of heat conductivity of soil is very important parameter. and ground temperature is carried out to the monitoring reliably and with long-term particular importance that seems.While surveying soil thermal conductivity at the scene, the test duration is wanted long enough, and during test, the temperature of the fluid inlet and outlet of operating mode after stable and different depth can affect the accuracy of test result.Therefore the design of the buried cable for measuring temperature especially emphasis that seems.
Traditional temperature detection is usingd thermistor, PT100 or PT1000 as temperature-sensing element (device), because it is analog quantity, to be gathered temperature, if need degree of precision, need to select 12 or above AD conversion and signal processing circuit, in the time of closely, its precision and reliability are affected by environment little, but when being greater than 30 meters Distance Transmission, should adopt three-wire system to survey mode, and need regularly temperature to be proofreaied and correct.When carrying out multipoint acquisition, need each point for measuring temperature to place a cable, because of resistance, as analog quantity and interference each other, the low precision of its thermometric accuracy, system, can be subject to the impact of environment and time larger.The module quantity sensor is all that the form with simulating signal exists in the course of the work, and often there are the uncertain factors such as electric field, magnetic field in the environment detected, these factors can produce larger interference to electric signal, thereby affect the measuring accuracy of sensor reality and the stability of system, need to be calibrated every year, thereby their use has significant limitation
The utility model content
The technical problems to be solved in the utility model is to provide source, a kind of ground well temperature measurement system, and this temperature measurement system has solved the problem of source, ground well telemeasurement precision, and can realize that multiple spot accurately measures.
In order to solve the problems of the technologies described above, the utility model provides source, a kind of ground well temperature measurement system, comprising: some temperature collect modules, and described temperature collect module connects some cable for measuring temperature by cable bus; Described cable for measuring temperature comprises: signal wire, and several are respectively with the Digital Measurement of Temperature sensor of field bus management device and identification id, the signal end of described each Digital Measurement of Temperature sensor is connected with described signal wire respectively; Described temperature collect module comprises: temperature data processing module, the memory module that stores described identification id be connected with this Temperature Treatment module.
Further, described temperature collect module comprises: with described temperature data processing module, be connected for uploading the communication module of temperature data.
Further, described cable for measuring temperature is at least 10.
Further, described Digital Measurement of Temperature sensor is at least 10.
Technique scheme of the present utility model has the following advantages compared to existing technology: when the utility model has overcome the analog temperature sensor long-distance transmissions by the Digital Measurement of Temperature sensor with field bus management device and identification id, the inaccurate technical matters of data, measuring accuracy is high, and there is identification id, can carry out multi-point temp and measure simultaneously.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
The structured flowchart that Fig. 1 is source, ground of the present utility model well temperature measurement system;
The structured flowchart that Fig. 2 is cable for measuring temperature of the present utility model;
Wherein, 1 cable bus, 2 cable for measuring temperature, 3 Digital Measurement of Temperature sensors, 4 source, ground wells.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
See Fig. 1, Fig. 2, source, a kind of ground well temperature measurement system comprises: some temperature collect modules, and described temperature collect module connects some cable for measuring temperature 2 by cable bus 1; Described cable for measuring temperature 2 is positioned in source, ground well 4, described cable for measuring temperature 2 comprises: signal wire, and several are respectively with the Digital Measurement of Temperature sensor 3 of field bus management device and identification id, the signal end of described each Digital Measurement of Temperature sensor 3 is connected with described signal wire respectively; Described temperature collect module comprises: temperature data processing module, the memory module that stores described identification id be connected with this Temperature Treatment module.
Also comprise power lead in described cable for measuring temperature 2, described power lead is connected with the feeder ear of each Digital Measurement of Temperature sensor 3 respectively.
Described temperature collect module comprises: with described temperature data processing module, be connected for uploading the communication module of temperature data.This temperature data processing module can adopt single-chip microcomputer to realize, for the temperature acquisition data to each cable for measuring temperature 2 on cable bus 1, gathered, and be uploaded to host computer and carry out the multipoint data monitoring, this host computer can be a computing machine, a perhaps embedded main control module, for monitoring the multi-point temp data.Described communication module can adopt ethernet control chip, also can adopt wireless communication module, for example the less radio-frequency transmitter module.
Wherein said Digital Measurement of Temperature sensor 3 adopts the BP1000 digital temperature sensor, itself carry 12 high accuracy data converters and field bus management device, directly temperature data is converted to the digital signal that is applicable to long-distance transmissions, and each sensor itself has identification id only, so a lot of sensors can directly be articulated on bus, thereby realize that a cable for measuring temperature 2 detects the function of a lot of temperature spots.Described identification id is the hardware number that digital temperature sensor carries, and can be stored in these hardware numbers in the memory module of described temperature collect module, carries out sensor identification for the temperature to each digital temperature sensor collection, to realize multi pass acquisition.
2 at least 10 of described cable for measuring temperature.
3 at least 10 of described Digital Measurement of Temperature sensors.
The utility model carries out temperature survey by cable for measuring temperature 2, it has sealing completely, water-tight corrosion-proof, long service life, can more than 100 meters, work under water for a long time, and precision is high, can reach 0.2 degree (in 10-40 degree scope), and not affected by communication distance, exempt to proofread and correct, can keep for a long time the characteristics such as high precision.
Obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (4)
1. a ground source well temperature measurement system is characterized in that comprising: some temperature collect modules, and described temperature collect module connects some cable for measuring temperature by cable bus;
Described cable for measuring temperature comprises: signal wire, and several are respectively with the Digital Measurement of Temperature sensor of field bus management device and identification id, the signal end of described each Digital Measurement of Temperature sensor is connected with described signal wire respectively;
Described temperature collect module comprises: temperature data processing module, the memory module that stores described identification id be connected with this Temperature Treatment module.
2. source well temperature measurement system according to claim 1ly, it is characterized in that: described temperature collect module comprises: with described temperature data processing module, be connected for uploading the communication module of temperature data.
3. source well temperature measurement system, is characterized in that: at least 10 of described cable for measuring temperature according to claim 2ly.
4. according to source, the arbitrary described ground of claim 1-3 well temperature measurement system, it is characterized in that: at least 10 of described Digital Measurement of Temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320416400 CN203364999U (en) | 2013-07-12 | 2013-07-12 | Geothermal well temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320416400 CN203364999U (en) | 2013-07-12 | 2013-07-12 | Geothermal well temperature measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364999U true CN203364999U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201320416400 Expired - Lifetime CN203364999U (en) | 2013-07-12 | 2013-07-12 | Geothermal well temperature measurement system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759690A (en) * | 2016-04-14 | 2016-07-13 | 哈尔滨今星微电子科技有限公司 | Time-sharing measurement control circuit |
| CN105783838A (en) * | 2016-04-14 | 2016-07-20 | 哈尔滨今星微电子科技有限公司 | Frozen soil depth sensor |
| CN108955934A (en) * | 2018-08-17 | 2018-12-07 | 三峡大学 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
-
2013
- 2013-07-12 CN CN 201320416400 patent/CN203364999U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759690A (en) * | 2016-04-14 | 2016-07-13 | 哈尔滨今星微电子科技有限公司 | Time-sharing measurement control circuit |
| CN105783838A (en) * | 2016-04-14 | 2016-07-20 | 哈尔滨今星微电子科技有限公司 | Frozen soil depth sensor |
| CN108955934A (en) * | 2018-08-17 | 2018-12-07 | 三峡大学 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200000 Shanghai Putuo District City Light Road No. 1219 room 1004 Patentee after: SHANGHAI NFE ECOLOGY TECHNOLOGY Co.,Ltd. Address before: 200000 Shanghai Putuo District City Light Road No. 1219 room 1004 Patentee before: SHANGHAI NFE CONSTRUCTION-TECH DEVELOPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |