CN104407219A - Connection structure of resistivity measuring instrument - Google Patents
Connection structure of resistivity measuring instrument Download PDFInfo
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- CN104407219A CN104407219A CN201410619203.9A CN201410619203A CN104407219A CN 104407219 A CN104407219 A CN 104407219A CN 201410619203 A CN201410619203 A CN 201410619203A CN 104407219 A CN104407219 A CN 104407219A
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- stitch
- usb
- usb interface
- usb joint
- measuring instrument
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Abstract
The invention relates to a connection structure of a resistivity measuring instrument. The resistivity measuring instrument comprises a measuring probe and a handheld device; a circuit board is arranged in the handheld device; the measuring probe and the circuit board are connected with each other through a USB so as to form a complete measuring circuit; the measuring probe is provided with a USB connector; the handheld device is provided with a USB interface; the USB connector and the USB interface are respectively provided with 9 pins; the pins of the connector are in one-to-one correspondence connection with the pins of the interface according to serial numbers; and circuit on-off measurement, temperature measurement, resistivity measurement and code download functions can be realized through the 9 pins of the USB interface. With the connection structure of the resistivity measuring instrument provided by the invention adopted, the complex structure of the resistivity measuring instrument is divided into two parts which can communicate with each other, and therefore, the size of the resistivity measuring instrument can be greatly decreased, and the portability of the instrument can be improved; plug-and-play of the USB interface can be realized, and therefore, complicated wiring is not required, and convenience in measurement can be greatly increased; and the USB interface is connected with two grounding ends in the internal circuit board, so that circuit interference can be avoided.
Description
Technical field
The present invention relates to resistivity test device technical field, especially a kind of syndeton of resistivity measuring instrument.
Background technology
Mud resistivity is the important parameter in well logging interpretation, and existing mud resistivity measuring instrument is bulky ground survey instrument, measures inconvenience, cannot meet the on-the-spot needs that present hole condition becomes increasingly complex.Preliminary work before measurement is more and wiring requirement is higher, for survey crew brings heavy burden.
In addition, existing mud resistivity measuring instrument adopts body structure, and internal circuit part takies larger space, and needs to take special parking space; Meanwhile, do not possess data transmission and thermometric function, thus limit the usable range of instrument.
Summary of the invention
For this reason, the resistivity measuring instrument of complexity is divided into the two parts that can carry out connecting by the USB interface with versatility by the present invention by structure, provide a kind of syndeton of resistivity measuring instrument, use this syndeton can reduce the volume of resistivity measuring instrument, resistivity measuring instrument was both had simple to operate, advantage applied widely, realizes again data transmission and thermometric function simultaneously.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
The invention provides a kind of syndeton of resistivity measuring instrument, resistivity measuring instrument comprises measuring sonde and hand-held device, has circuit board in hand-held device, and described measuring sonde is connected by USB with described circuit board; Described measuring sonde is provided with USB joint, and described hand-held device is provided with USB interface, and described USB joint and interface respectively have 9 stitch, and described joint stitch and interface pin by number one_to_one corresponding are connected; Measuring sonde is inserted liquid storage can be measured, make immersion to be measured not have four electrodes in measuring sonde, after the USB joint of measuring sonde being inserted the USB interface of hand-held device, handset circuit plate, measuring sonde and liquid to be measured form close access;
Described USB interface has 9 stitch, and USB interface is connected with master chip with electrical current module, voltage acquisition module, temperature-measuring module in the circuit board of hand-held device by described 9 stitch;
Described USB joint has 9 stitch, and USB joint is connected with four electrodes with the temp-sensitive sensor of described measuring sonde by described 9 stitch, and described four electrodes are upper galvanic electrode, lower galvanic electrode, upper voltage electrode and lower voltage electrode;
Described temperature-measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with temp-sensitive sensor two ends respectively, after USB joint inserts USB interface, temp-sensitive sensor one end is connected with earth terminal;
Described voltage acquisition module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with lower voltage electrode with upper voltage electrode respectively, after USB joint inserts USB interface, upper voltage electrode or lower voltage electrode are connected with earth terminal.
Preferably, two stitch are had to be vacant in described USB joint.
Preferably, have two stitch parallel connections to be connected with temp-sensitive sensor one end in described USB joint, accordingly, two stitch in USB joint are connected with master chip with temperature-measuring module earth terminal respectively.
Preferably, USB joint is inserted after USB interface, in parallel and two stitch be connected with temp-sensitive sensor one end and circuit board form on off test circuit in described USB joint.
Preferably, the stitch that two vacant with USB joint in described USB interface stitch are corresponding is connected with master chip.
Preferably, described USB interface is connected with downloader, connects computer carry out master chip system update by downloader; Described downloader has USB joint and is connected with described USB interface and carries out data transmission.
Preferably, described USB interface is connected with described USB joint and can carries out connecting and disconnecting of the circuit test, temperature survey and resistivity measurement.
The invention has the beneficial effects as follows:
(1) by a kind of syndeton of resistivity measuring instrument, the resistivity measuring instrument of complexity is divided into the two parts that can carry out communication by structure, thus significantly reduces the volume of resistivity measurement instrument, improve instrument portability; Adopt USB interface to carry out the connection of measuring sonde and circuit board, USB interface plug and play, wiring that need not be numerous and diverse, significantly increases the convenience of measurement; USB interface is connected with the earth terminal of two in internal circuit board, avoids circuit interference; USB interface has versatility, the present invention not only can coordinate with the measurement mechanism with USB joint realize resistivity measurement, temperature survey, break-make measure, can also the function downloaded of code, interface is simple, powerful.
Accompanying drawing explanation
Fig. 1 is the logical schematic of syndeton joint;
Fig. 2 is the logical schematic of syndeton interface.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
In embodiment 1, a kind of syndeton of resistivity measuring instrument, resistivity measuring instrument comprises measuring sonde and hand-held device, has circuit board in hand-held device, and described measuring sonde is connected by USB with described circuit board; Described measuring sonde is provided with USB joint, and described hand-held device is provided with USB interface, and described USB joint and interface respectively have 9 stitch, and described joint stitch and interface pin by number one_to_one corresponding are connected; Measuring sonde is inserted liquid storage can be measured, make immersion to be measured not have four electrodes in measuring sonde, after the USB joint of measuring sonde being inserted the USB interface of hand-held device, handset circuit plate, measuring sonde and liquid to be measured form close access;
Described USB interface has 9 stitch, and USB interface is connected with master chip with electrical current module, voltage acquisition module, temperature-measuring module in the circuit board of hand-held device by described 9 stitch;
Described USB joint has 9 stitch, and USB joint is connected with four electrodes with the temp-sensitive sensor of described measuring sonde by described 9 stitch, and described four electrodes are upper galvanic electrode, lower galvanic electrode, upper voltage electrode and lower voltage electrode;
As shown in Figure 1, described upper galvanic electrode, lower galvanic electrode are connected with stitch 4 with the stitch 5 of USB joint respectively, upper voltage electrode is connected with stitch 8 with the stitch 6 of USB joint respectively with lower voltage electrode, described temp-sensitive sensor two ends are connected with stitch 2 with USB joint stitch 3, the stitch 7 of described USB joint and stitch 2 parallel connection, stitch 1 and the stitch 9 of described USB joint are vacant.
As shown in Figure 2, in described USB interface, stitch 5 and stitch 4 are connected with electrical current module both positive and negative polarity in circuit board respectively, and in described interface pin 6 circuit board, voltage acquisition module voltage end is connected, and described interface pin 8 is connected with voltage acquisition module earth terminal; Described interface pin 3 is connected with temperature-measuring module voltage end, and interface pin 2 and temperature-measuring module are held electrical ground and be connected; Described stitch 7, stitch 1 are all connected with master chip in circuit board with stitch 9.
After USB joint inserts USB interface, stitch 7 and stitch 2 form on off test circuit with circuit board.
Preferably, described USB interface is connected with downloader, connects computer carry out master chip system update by downloader; Described downloader has USB joint and is connected with described USB interface and carries out data transmission.
Preferably, described USB interface is connected with described USB joint and can carries out connecting and disconnecting of the circuit test, temperature survey and resistivity measurement.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (7)
1. a syndeton for resistivity measuring instrument, is characterized in that, resistivity measuring instrument comprises measuring sonde and hand-held device, has circuit board in hand-held device, and described measuring sonde is connected by USB with described circuit board; Described measuring sonde is provided with USB joint, and described hand-held device is provided with USB interface, and described USB joint and interface respectively have 9 stitch, and described joint stitch and interface pin by number one_to_one corresponding are connected; Measuring sonde is inserted liquid storage can be measured, make immersion to be measured not have four electrodes in measuring sonde, after the USB joint of measuring sonde being inserted the USB interface of hand-held device, handset circuit plate, measuring sonde and liquid to be measured form close access;
Described USB interface has 9 stitch, and USB interface is connected with master chip with electrical current module, voltage acquisition module, temperature-measuring module in the circuit board of hand-held device by described 9 stitch;
Described USB joint has 9 stitch, and USB joint is connected with four electrodes with the temp-sensitive sensor of described measuring sonde by described 9 stitch, and described four electrodes are upper galvanic electrode, lower galvanic electrode, upper voltage electrode and lower voltage electrode;
Described temperature-measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with temp-sensitive sensor two ends respectively, after USB joint inserts USB interface, temp-sensitive sensor one end is connected with earth terminal;
Described voltage acquisition module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with lower voltage electrode with upper voltage electrode respectively, after USB joint inserts USB interface, upper voltage electrode or lower voltage electrode are connected with earth terminal.
2. the syndeton of a kind of resistivity measuring instrument according to claim 1, is characterized in that, has two stitch to be vacant in described USB joint.
3. the syndeton of a kind of resistivity measuring instrument according to claim 2, it is characterized in that, have two stitch parallel connections to be connected with temp-sensitive sensor one end in described USB joint, accordingly, two stitch in USB joint are connected with master chip with temperature-measuring module earth terminal respectively.
4. the syndeton of a kind of resistivity measuring instrument according to claim 3, it is characterized in that, USB joint is inserted after USB interface, in parallel and two stitch be connected with temp-sensitive sensor one end and circuit board form on off test circuit in described USB joint.
5. according to the syndeton of a kind of resistivity measuring instrument in claim 1-4 described in any one, it is characterized in that, the stitch that two stitch vacant with USB joint in described USB interface are corresponding is connected with master chip.
6. the syndeton of a kind of resistivity measuring instrument according to claim 5, is characterized in that, described USB interface is connected with downloader, connects computer carry out master chip system update by downloader; Described downloader has USB joint and is connected with described USB interface and carries out data transmission.
7. the syndeton of a kind of resistivity measuring instrument according to claim 6, is characterized in that, described USB interface is connected with described USB joint can carry out connecting and disconnecting of the circuit test, temperature survey and resistivity measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410619203.9A CN104407219A (en) | 2014-11-05 | 2014-11-05 | Connection structure of resistivity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410619203.9A CN104407219A (en) | 2014-11-05 | 2014-11-05 | Connection structure of resistivity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104407219A true CN104407219A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410619203.9A Pending CN104407219A (en) | 2014-11-05 | 2014-11-05 | Connection structure of resistivity measuring instrument |
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| Country | Link |
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| CN (1) | CN104407219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714097A (en) * | 2015-04-02 | 2015-06-17 | 中国矿业大学(北京) | On-line cement-based material resistivity tester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050212526A1 (en) * | 2004-03-23 | 2005-09-29 | Blades Frederick K | Electrical wiring inspection system |
| CN202510102U (en) * | 2012-03-31 | 2012-10-31 | 中国电子科技集团公司第二十二研究所 | Three-parameter headstall logging instrument |
| CN202837403U (en) * | 2012-11-12 | 2013-03-27 | 中国石油天然气集团公司 | Portable tester for mud resistivity |
| CN204359864U (en) * | 2014-11-05 | 2015-05-27 | 贝兹维仪器(苏州)有限公司 | A kind of syndeton of resistivity measuring instrument |
-
2014
- 2014-11-05 CN CN201410619203.9A patent/CN104407219A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050212526A1 (en) * | 2004-03-23 | 2005-09-29 | Blades Frederick K | Electrical wiring inspection system |
| CN202510102U (en) * | 2012-03-31 | 2012-10-31 | 中国电子科技集团公司第二十二研究所 | Three-parameter headstall logging instrument |
| CN202837403U (en) * | 2012-11-12 | 2013-03-27 | 中国石油天然气集团公司 | Portable tester for mud resistivity |
| CN204359864U (en) * | 2014-11-05 | 2015-05-27 | 贝兹维仪器(苏州)有限公司 | A kind of syndeton of resistivity measuring instrument |
Non-Patent Citations (1)
| Title |
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| 姚绍雄等: "一种手持式泥浆性能测试杯设计", 《机械工程师》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714097A (en) * | 2015-04-02 | 2015-06-17 | 中国矿业大学(北京) | On-line cement-based material resistivity tester |
| CN104714097B (en) * | 2015-04-02 | 2018-01-09 | 中国矿业大学(北京) | A kind of cement-based material resistivity on-line determination instrument |
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Application publication date: 20150311 |