CN204302378U - A kind of Circuits System of resistivity measuring instrument - Google Patents
A kind of Circuits System of resistivity measuring instrument Download PDFInfo
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- CN204302378U CN204302378U CN201420658809.9U CN201420658809U CN204302378U CN 204302378 U CN204302378 U CN 204302378U CN 201420658809 U CN201420658809 U CN 201420658809U CN 204302378 U CN204302378 U CN 204302378U
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Abstract
The utility model relates to a kind of Circuits System of resistivity measuring instrument, this system comprises single chip control module, supply module, on off test module, resistance measuring module, temperature-measuring module, timing module, resistivity computing module, Bluetooth communication modules, data memory module and calibration module, wherein control module centered by single chip control module, resistance measuring module, temperature-measuring module, timing module are measurement core functional module.The Circuits System of the resistivity measuring instrument that the utility model provides, the resistivity measuring instrument being provided with this Circuits System is made to have the dual-use function of testing temperature and measuring resistance, and the sufficient thermometric time can be ensured, the basis ensureing measuring accuracy achieves a key operation of surveying work, improve the convenience of surveying work, decrease the workload of surveying work, also there is on off test and system calibration function.
Description
Technical field
The utility model relates to resistivity test device technical field, especially a kind of Circuits System of resistivity measuring instrument.
Background technology
Existing mud resistivity measurement mechanism generally adopts the exposed level Four measuring method of mud to measure mud resistivity, because mud high insulating efficiency is poor, and temperature has a significant impact for the measurement result of resistivity, Conventional mud resistivity test device can not detection resistance while detected temperatures, therefore the measurement result of resistivity is not accurate enough.Can not fully ensure thermometric precision again for the resistance measuring instrument having temperature measurement function, and measurements resistivity is had a negative impact.
In addition, traditional mud resistivity measurement mechanism adopts body structure, special very large parking space, wiring and measuring process numerous and diverse, not easily grasp, for measured resistivity work brings very large difficulty.
Utility model content
For this reason, the utility model provides a kind of Circuits System of resistivity measuring instrument, this Circuits System has the dual-use function of testing temperature and measuring resistance, and the sufficient thermometric time can be ensured, the basis ensureing measuring accuracy achieves a key operation of surveying work, improve the convenience of surveying work, decrease the workload of surveying work.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
The utility model provides a kind of Circuits System of resistivity measuring instrument, comprises single chip control module, supply module, on off test module, resistance measuring module, temperature-measuring module, timing module, resistivity computing module and calibration module;
Described single chip control module is the Central Control Module of the Circuits System of resistivity measuring instrument, comprises user and inputs acquisition module, liquid crystal display control module and Survey control module; Described user inputs acquisition module for obtaining user's input, and controls liquid crystal display control module, Survey control module and on off test module work according to user command; Described liquid crystal display control module is used for brightness and the displaying contents of controlling resistance rate measuring instrument liquid crystal display; Described Survey control module control temperature measurement module, resistance measuring module and timing module measure the temperature of determinand, resistance calculate determinand resistivity by resistivity computing module;
Described supply module provides burning voltage for Circuits System;
Described on off test module is used for metering circuit break-make situation and test result is transferred to liquid crystal display control module;
Described resistance measuring module is made up of voltage measurement module, current measurement module and resistance calculations module, for measuring determinand resistance and the result after measuring being transferred to resistivity computing module;
Described temperature-measuring module is for measuring determinand temperature and measurement result being transferred to liquid crystal display control module;
The time of described timing module controlling resistance measurement module and temperature-measuring module, after described Survey control module sends measuring command, timing module starts timing, resistance measuring module and temperature-measuring module start to measure, measure when the time reaches preset value and stop, ensureing that in temperature measuring circuit, thermo-sensitive resistor is to the temperature sufficient sensitive time;
Resistivity computing module according to resistivity measurements, according to formula
calculate determinand resistivity, wherein
for calibration coefficient, and result of calculation is transferred to liquid crystal display control module;
Calibration module, for carrying out the demarcation again of Circuits System, obtains the calibration coefficient of system, demarcates and successfully then sends pass signal to liquid crystal display control module.
Preferably, calibration module carries out the demarcation of Circuits System according to demarcating liquid, and described demarcation liquid is the known liquid of resistivity, during calibration module work, is obtained demarcate liquid resistance, by formula by resistance measuring module
obtain
value, described in
value be calibration coefficient.
Preferably, described calibration coefficient is as intrinsic parameter longer-term storage in internal system, and calibration module obtains after calibration coefficient, the calibration coefficient newly measured cover original calibration coefficient and longer-term storage in internal system.
Preferably, described user input content comprises transtation mission circuit system calibration, display brightness controls, on off test and resistivity measurement control four kinds of orders.
Preferably, also comprise Bluetooth communication modules, described transport module is used for transmission measurement data.
Preferably, also comprise data memory module, described memory module memory resistor rate measured value and temperature value when measuring.
The beneficial effects of the utility model are:
By providing a kind of Circuits System of resistivity measuring instrument, the resistivity measuring instrument being provided with this Circuits System is made to have the dual-use function of testing temperature and measuring resistance, and the sufficient thermometric time can be ensured, the basis ensureing measuring accuracy achieves a key operation of surveying work, improve the convenience of surveying work, decrease the workload of surveying work.
Accompanying drawing explanation
Fig. 1 is resistivity measuring instrument circuit system structure figure.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
In the present embodiment, as shown in Figure 1, a kind of Circuits System of resistivity measuring instrument, comprises single chip control module, supply module, on off test module, resistance measuring module, temperature-measuring module, timing module, resistivity computing module and calibration module;
Described single chip control module is the Central Control Module of the Circuits System of resistivity measuring instrument, comprises user and inputs acquisition module, liquid crystal display control module and Survey control module; Described user inputs acquisition module for obtaining user's input, and controls liquid crystal display control module, Survey control module and on off test module work according to user command; Described liquid crystal display control module is used for brightness and the displaying contents of controlling resistance rate measuring instrument liquid crystal display; Described Survey control module control temperature measurement module, resistance measuring module and timing module measure the temperature of determinand, resistance calculate determinand resistivity by resistivity computing module;
Described supply module provides burning voltage for Circuits System;
Described on off test module is used for metering circuit break-make situation and test result is transferred to liquid crystal display control module;
Described resistance measuring module is made up of voltage measurement module, current measurement module and resistance calculations module, for measuring determinand resistance and the result after measuring being transferred to resistivity computing module;
Described temperature-measuring module is for measuring determinand temperature and measurement result being transferred to liquid crystal display control module;
The time of described timing module controlling resistance measurement module and temperature-measuring module, after described Survey control module sends measuring command, timing module starts timing, resistance measuring module and temperature-measuring module start to measure, measure when the time reaches preset value and stop, ensureing that in temperature measuring circuit, thermo-sensitive resistor is to the temperature sufficient sensitive time;
Resistivity computing module according to resistivity measurements, according to formula
calculate determinand resistivity, wherein
for calibration coefficient, and result of calculation is transferred to liquid crystal display control module;
Calibration module, for carrying out the demarcation again of Circuits System, obtains the calibration coefficient of system, demarcates and successfully then sends pass signal to liquid crystal display control module.
Preferably, calibration module carries out the demarcation of Circuits System according to demarcating liquid, and described demarcation liquid is the known liquid of resistivity, during calibration module work, is obtained demarcate liquid resistance, by formula by resistance measuring module
obtain
value, described in
value be calibration coefficient.
Preferably, described calibration coefficient is as intrinsic parameter longer-term storage in internal system, and calibration module obtains after calibration coefficient, the calibration coefficient newly measured cover original calibration coefficient and longer-term storage in internal system.
Preferably, described user input content comprises transtation mission circuit system calibration, display brightness controls, on off test and resistivity measurement control four kinds of orders.
Preferably, also comprise Bluetooth communication modules, described transport module is used for transmission measurement data.
Preferably, also comprise data memory module, described memory module memory resistor rate measured value and temperature value when measuring.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (6)
1. a Circuits System for resistivity measuring instrument, is characterized in that, comprises single chip control module, supply module, on off test module, resistance measuring module, temperature-measuring module, timing module, resistivity computing module and calibration module;
Described single chip control module is the Central Control Module of the Circuits System of resistivity measuring instrument, comprises user and inputs acquisition module, liquid crystal display control module and Survey control module; Described user inputs acquisition module for obtaining user's input, and controls liquid crystal display control module, Survey control module and on off test module work according to user command; Described liquid crystal display control module is used for brightness and the displaying contents of controlling resistance rate measuring instrument liquid crystal display; Described Survey control module control temperature measurement module, resistance measuring module and timing module measure the temperature of determinand, resistance calculate determinand resistivity by resistivity computing module;
Described supply module provides burning voltage for Circuits System;
Described on off test module is used for metering circuit break-make situation and test result is transferred to liquid crystal display control module;
Described resistance measuring module is made up of voltage measurement module, current measurement module and resistance calculations module, for measuring determinand resistance and the result after measuring being transferred to resistivity computing module;
Described temperature-measuring module is for measuring determinand temperature and measurement result being transferred to liquid crystal display control module;
The time of described timing module controlling resistance measurement module and temperature-measuring module, after described Survey control module sends measuring command, timing module starts timing, resistance measuring module and temperature-measuring module start to measure, measure when the time reaches preset value and stop, ensureing that in temperature measuring circuit, thermo-sensitive resistor is to the temperature sufficient sensitive time;
Resistivity computing module according to resistivity measurements, according to formula
calculate determinand resistivity, wherein
for calibration coefficient, and result of calculation is transferred to liquid crystal display control module;
Calibration module, for carrying out the demarcation again of Circuits System, obtains the calibration coefficient of system, demarcates and successfully then sends pass signal to liquid crystal display control module.
2. the Circuits System of a kind of resistivity measuring instrument according to claim 1, is characterized in that, calibration module carries out the demarcation of Circuits System according to demarcating liquid, described demarcation liquid is the known liquid of resistivity, during calibration module work, obtained by resistance measuring module and demarcate liquid resistance, by formula
obtain
value, described in
value be calibration coefficient.
3. the Circuits System of a kind of resistivity measuring instrument according to claim 2, it is characterized in that, described calibration coefficient as intrinsic parameter longer-term storage in internal system, calibration module obtains after calibration coefficient, the calibration coefficient newly measured cover original calibration coefficient and longer-term storage in internal system.
4. according to the Circuits System of a kind of resistivity measuring instrument in claim 1-3 described in any one, it is characterized in that, described user input content comprises transtation mission circuit system calibration, display brightness control, on off test and resistivity measurement and controls four kinds of orders.
5. the Circuits System of a kind of resistivity measuring instrument according to claim 4, is characterized in that, also comprise Bluetooth communication modules, and described transport module is used for transmission measurement data.
6. the Circuits System of a kind of resistivity measuring instrument according to claim 5, is characterized in that, also comprise data memory module, described memory module memory resistor rate measured value and temperature value when measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658809.9U CN204302378U (en) | 2014-11-05 | 2014-11-05 | A kind of Circuits System of resistivity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658809.9U CN204302378U (en) | 2014-11-05 | 2014-11-05 | A kind of Circuits System of resistivity measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN204302378U true CN204302378U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420658809.9U Expired - Fee Related CN204302378U (en) | 2014-11-05 | 2014-11-05 | A kind of Circuits System of resistivity measuring instrument |
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| CN (1) | CN204302378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407218A (en) * | 2014-11-05 | 2015-03-11 | 贝兹维仪器(苏州)有限公司 | Circuit system of resistivity measuring instrument |
| CN109270350A (en) * | 2018-10-26 | 2019-01-25 | 元能科技（厦门）有限公司 | A kind of pole piece resistance measuring instrument, system and method |
-
2014
- 2014-11-05 CN CN201420658809.9U patent/CN204302378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407218A (en) * | 2014-11-05 | 2015-03-11 | 贝兹维仪器(苏州)有限公司 | Circuit system of resistivity measuring instrument |
| CN104407218B (en) * | 2014-11-05 | 2017-07-28 | 贝兹维仪器(苏州)有限公司 | A kind of circuit system of resistivity measuring instrument |
| CN109270350A (en) * | 2018-10-26 | 2019-01-25 | 元能科技（厦门）有限公司 | A kind of pole piece resistance measuring instrument, system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20191105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |