CN208588478U - One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology - Google Patents
One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology Download PDFInfo
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- CN208588478U CN208588478U CN201821334759.3U CN201821334759U CN208588478U CN 208588478 U CN208588478 U CN 208588478U CN 201821334759 U CN201821334759 U CN 201821334759U CN 208588478 U CN208588478 U CN 208588478U
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- module
- temperature
- data collecting
- collecting card
- amplifier
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Abstract
One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology, including temperature measurement module, amplifier module, data collecting card module, one-chip computer module, message processing module in a distributed manner.The module of temperature measurement in a distributed manner includes multiple temperature sensors, multiple 1-wire master controllers, each temperature sensor is correspondingly connected with a 1-wire master controller, forms single group geothermometry module.The amplifier module includes multiple amplifier units, each amplifier unit is correspondingly connected with the 1-wire master controller of a geothermometry module.The data collecting card module includes multiple data collecting card units, each data collecting card unit is correspondingly connected with an amplifier unit.The data collecting card module connects one-chip computer module, one-chip computer module link information processing module.The multiple 1-wire master controller connects one-chip computer module, and one-chip computer module and multiple 1-wire master controllers are with I2C agreement is communicated.The utility model, which mentions to expand the depth of measurement, grows to 100m or so, substantially increases the working range of geothermometry, has certain reference value to Temperature Field research.
Description
Technical field
It is specifically a kind of to be based on I the utility model relates to geothermometry technical field2C and the ground temperature of Single Wire Bus Technology are surveyed
Amount system.
Background technique
Temperature Field is geophysical field one kind, can reflect the distribution of subsurface temperature, can directly be sensed by borehole temperature
Device is measured and is obtained.Ground temperature field measurement is widely used, and can be applied not only to the investigation of geothermal field, can also be by earth object
Temperature Distribution positioning underground mineral and the position of underground water of field are managed, to solve hydrogeology, exploitation of mineral resources, underground water and petroleum
The problem of in terms of the engineerings such as digging.
Traditional geothermal measurement system is measured using analog temperature sensor plus signal processing circuit, and is converted, posted by A/D
Signal is passed to laptop and carries out Numerical Analysis of Temperature Field by storage, transmission line, which has the shortcomings that obvious:
Vulnerable to interference in signals transmission, the signal of acquisition has a large amount of noise and measurement is apart from limited, microprocessor and sensing
Device can only be separated by several meters, can not measure to deep ground temperature field, and the measurement data of acquisition is to underground mineral, hydrogeology
And underground water equal distribution estimates less effective, and expected purpose is not achieved.Subsequent scholar proposes the improvement of a large amount of geothermometrys
Method, wherein the geothermal measurement system effect based on monobus is preferable, compared to traditional method, the system structure letter of this method
It is single and can will fathom and be extended to 50 meters or so, fathoming for system is considerably increased, however its depth still cannot
Meet requirement of engineering, it can not inverting deep ground temperature field well.
Summary of the invention
In view of the above shortcomings of the prior art, i.e., instrument geothermometry depth is unable to reach desirable, this is practical
The novel one kind that provides is based on I2The depth of measurement can be expanded and grow to the left side 100m by the geothermal measurement system of C and Single Wire Bus Technology
The right side substantially increases the working range of geothermometry, has certain reference value to Temperature Field research.
The technical solution that the utility model is taken are as follows:
One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology, including temperature measurement module, amplifier mould in a distributed manner
Block, data collecting card module, one-chip computer module, message processing module.
The module of temperature measurement in a distributed manner includes multiple temperature sensors, multiple 1-wire master controllers, each temperature
Degree sensor is correspondingly connected with a 1-wire master controller, forms single group geothermometry module, the multiple temperature sensor, more
A 1-wire master controller connects one to one, and forms multiple groups geothermometry module；
The amplifier module includes multiple amplifier units, each amplifier unit is correspondingly connected with a geothermometry
The 1-wire master controller of module；Multiple amplifier units connect one to one with multiple groups geothermometry module；
The data collecting card module includes multiple data collecting card units, each data collecting card unit is correspondingly connected with
One amplifier unit, multiple data collecting card units connect one to one with multiple amplifier units；
The data collecting card module connects one-chip computer module, one-chip computer module link information processing module；
The multiple 1-wire master controller connect one-chip computer module, one-chip computer module and multiple 1-wire master controllers with
I2C agreement is communicated.
The temperature sensor uses extra accuracy temperature sensor MAX31725, and by temperature signal with I2C mode is incoming
The 1-wire master controller.
The 1-wire master controller uses maxim Products DS28E17I2C to 1-wire bridges device.
The data collecting card module uses 24 multichannel converter MAX11410 of TI company.
The amplifier module uses MAX4450 chip, and electricity over the ground is added in amplifier module input, output end
Hold.
The message processing module includes ili9486 liquid crystal display, data storage SD card.
The one-chip computer module uses STM32 single-chip microcontroller.
The utility model provides a kind of based on I2C and the geothermal measurement system of monobus control, technical effect are as follows:
1, it being communicated using monobus, Single Wire Bus Technology has route simple, and hardware spending is few, and it is low in cost, it is convenient for
The advantages that bus extension and maintenance.
2, use 1-wire master controller with I2C agreement carries out data transmission with one-chip computer module, considerably increases signal
Transmission range, transmission range can reach 100m.
3, temperature measurement is carried out using the MAX3172 Series Temperature Transmitters of high-precision 16 temperature resolutions, it can be with
± 0.005 DEG C of precision is measured and can ensure that within the scope of -40 DEG C to 105 DEG C.
4, later period message processing module carries out signal processing, temperature display and temperature curve can draw simultaneously, powerful.
5, geothermal measurement system of the utility model based on I2C and Single Wire Bus Technology should compared to traditional geothermometry
Systematic survey range fathoms up to 100m at -40 to 100 DEG C, reachable ± 0.006 DEG C of measurement accuracy, passes through software programming
Curve matching can be carried out to the signal of acquisition and show ground temperature distribution curve, can be well reflected Temperature Field.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the module connection diagram of the utility model；
Fig. 2 is that temperature measurement module with I2C host (STM32) connect circuit diagram to the utility model in a distributed manner；
Device arrangements schematic diagram when Fig. 3 is the utility model measurement.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of to be based on I2The geothermal measurement system of C and Single Wire Bus Technology, including distributed ground temperature are surveyed
Measure module a001, amplifier module a004, data collecting card module a005, one-chip computer module a006, message processing module a007.
The amplifier module a004 is connect with temperature measurement module a001 in a distributed manner, will divide temperature measurement module in a distributed manner
The signal of a001 is passed to the data collecting card module a005 after filtering, amplifying.
The module of the temperature measurement in a distributed manner a001 includes multiple temperature sensor a002, multiple 1-wire master controllers
A003, each temperature sensor a002 are correspondingly connected with a 1-wire master controller, form single group geothermometry module, described
Multiple temperature sensor a002, multiple 1-wire master controller a003 connect one to one, and form multiple groups geothermometry module；
The amplifier module a004 includes multiple amplifier units, each amplifier unit is correspondingly connected with a ground temperature
The 1-wire master controller a003 of measurement module；Multiple amplifier units connect one to one with multiple groups geothermometry module.
The data collecting card module a005 includes multiple data collecting card units, each data collecting card unit is corresponding
An amplifier unit is connected, multiple data collecting card units connect one to one with multiple amplifier units.
The data collecting card module a005 connection one-chip computer module a006, one-chip computer module a006 link information handle mould
Block a007；
The multiple 1-wire master controller a003 connection one-chip computer module a006, one-chip computer module a006 and multiple 1-
Wire master controller a003 is with I2C agreement is communicated.
The temperature sensor a002 uses extra accuracy temperature sensor MAX31725,16 temperature resolutions of the sensor
It ± 0.5 DEG C of high precision can be measured within the scope of -40 DEG C to 105 DEG C, and by temperature signal with I2C mode is passed to the 1-wire
Master controller a003.
The 1-wire master controller a003 uses maxim Products DS28E17I2C to 1-wire bridges device, should
Device and the one-chip computer module a006(be i.e.: I2C host), it can support 100kHz and 400kHzI2C traffic rate, communication distance
Can maximum extension to 100m, substantially increase the distance of measurement.
The data collecting card module a005 uses 24 multichannel converter MAX11410 of TI company, the converter
The permissible 10 channel datas acquisition of maximum, can provide 50Hz the and 60Hz Power supply rejection of 90dB or more simultaneously, be high-precision
The common ADC of temperature sensor measurement.
The amplifier module a004 uses MAX4450 chip, and is added in the input, output end amplifier module a004
Direct-to-ground capacitance, to filter out noise jamming.
The message processing module a007 includes ili9486 liquid crystal display, data storage SD card.Message processing module
A007 includes the functions such as data are shown, temperature curve is drawn and data save.
The one-chip computer module a006 uses STM32 single-chip microcontroller.It is handled by STM32 single-chip microcontroller, distributed ground temperature is surveyed
The temperature that amount module a001 is measured carries out curve fitting, and is shown on liquid crystal display.
Fig. 2 is that temperature measurement module a001 and one-chip computer module a006(be i.e. in a distributed manner: I2C host) connection circuit diagram.It is logical
Cross chip DS28E17 b005 (1-wire to I2C host bridge device) and DS2482-100 b002 (I2C to 1-wire bridge
Part) realize that measurement distance extends to the purpose of 100m.DS28E17 connect one group of composition with temperature sensor MAX31725 b006
Geothermometry module, temperature measurement module all passes through 1-wire BUS b003 and connect with DS2482-100 to each group, due to every
DS28E17 has unique 64 addresses ROM, passes through I2C host b001(stm32) it may have access to its node address.
A kind of geothermometry method based on I2C and Single Wire Bus Technology, comprising the following steps:
Step 1: as shown in figure 3, will in a distributed manner temperature measurement module a001 with every 5m, totally 20 modules, embedment are prior
Among the deep-well accomplished fluently, well depth is greater than 100m；
Step 2: single I2C to 1-wire is connected by monobus and bridges device and 20 1-wire to I2C host bridge device
Part；
Step 3: by each temperature measurement module a001 in a distributed manner of one-chip computer module a006 access, due to each
DS28E17 has unique address ROMD, individually accessible, and establishes communication, passes through amplifier module as shown in Figure 1
A004, data collecting card module a005 complete the work of ground temperature signal acquisition；
Step 4: realizing that Geothermal data is shown by program, and use curve fitting algorithm, and existing distribution curve of ground temperature is drawn
System shows curvilinear figure by liquid crystal display, and data collected are saved into data storage SD card.
Claims (7)
1. one kind is based on I2The geothermal measurement system of C and Single Wire Bus Technology, including temperature measurement module (a001), amplification in a distributed manner
Device module (a004), data collecting card module (a005), one-chip computer module (a006), message processing module (a007)；Its feature
Be: the module of temperature measurement in a distributed manner (a001) includes multiple temperature sensors (a002), multiple 1-wire master controllers
(a003), each temperature sensor (a002) is correspondingly connected with a 1-wire master controller, forms single group geothermometry module,
The multiple temperature sensor (a002), multiple 1-wire master controllers (a003) connect one to one, and composition multiple groups ground temperature is surveyed
Measure module；
The amplifier module (a004) includes multiple amplifier units, each amplifier unit is correspondingly connected with a ground temperature and surveys
Measure the 1-wire master controller (a003) of module；Multiple amplifier units connect one to one with multiple groups geothermometry module；
The data collecting card module (a005) includes multiple data collecting card units, each data collecting card unit is corresponding to be connected
An amplifier unit is connect, multiple data collecting card units connect one to one with multiple amplifier units；
The data collecting card module (a005) connects one-chip computer module (a006), the processing of one-chip computer module (a006) link information
Module (a007)；
The multiple 1-wire master controller (a003) connects one-chip computer module (a006), one-chip computer module (a006) and multiple 1-
Wire master controller (a003) is with I2C agreement is communicated.
2. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: the temperature
It spends sensor (a002) and uses extra accuracy temperature sensor MAX31725, and by temperature signal with I2C mode is passed to the 1-
Wire master controller (a003).
3. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: the 1-
Wire master controller (a003) uses maxim Products DS28E17I2C to 1-wire bridges device.
4. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: the number
24 multichannel converter MAX11410 of TI company are used according to acquisition card module (a005).
5. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: described to put
Big device module (a004) uses MAX4450 chip, and direct-to-ground capacitance is added in the amplifier module input, output end (a004).
6. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: the letter
Breath processing module (a007) includes ili9486 liquid crystal display, data storage SD card.
7. a kind of according to claim 1 be based on I2The geothermal measurement system of C and Single Wire Bus Technology, it is characterised in that: the list
Piece machine module (a006) uses STM32 single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821334759.3U CN208588478U (en) | 2018-08-17 | 2018-08-17 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821334759.3U CN208588478U (en) | 2018-08-17 | 2018-08-17 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
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| Publication Number | Publication Date |
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| CN208588478U true CN208588478U (en) | 2019-03-08 |
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| CN201821334759.3U Expired - Fee Related CN208588478U (en) | 2018-08-17 | 2018-08-17 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-08-17 CN CN201821334759.3U patent/CN208588478U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Granted publication date: 20190308 Termination date: 20190817 |