CN203164326U - Digital display type detection device of resistor strain sensor - Google Patents
Digital display type detection device of resistor strain sensor Download PDFInfo
- Publication number
- CN203164326U CN203164326U CN 201320108872 CN201320108872U CN203164326U CN 203164326 U CN203164326 U CN 203164326U CN 201320108872 CN201320108872 CN 201320108872 CN 201320108872 U CN201320108872 U CN 201320108872U CN 203164326 U CN203164326 U CN 203164326U
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- digital display
- resistance
- wheatstone bridge
- detection device
- bridge
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Abstract
The utility model discloses a digital display type detection device of a resistor strain sensor belonging to the detection device technology field. The digital display type detection device can be used for the detection of faults of the resistor strain sensor, and comprises a Wheatstone bridge, a digital display gauge head, an adjustable resistor, a cut-off switch, and a housing. Four bridge arms of the Wheatstone bridge are respectively provided with a fixed resistor. One of the fixed resistors of the bridge arms is serially connected with the adjustable resistor. The digital display gauge head is connected with a lead of a millivolt output terminal of the Wheatstone bridge, and a superior display device is respectively connected the millivolt output terminal of the Wheatstone bridge and a bridge voltage binding post. The digital display type detection device is advantageous in that the sensor can be simulated, and the binding post is connected with the display transmitting device; the digital display gauge head can be used to display the voltage value output by the Wheatstone bridge; the actual value can be compared with the value under a normal working condition, therefore the fault position can be determined quickly, and the fault diagnosis processing speed can be greatly improved; the structure is simple, the use is convenient, the carrying is convenient, and the detection device is economic and practical.
Description
Technical field
The utility model relates to a kind of digital display type pick-up unit of resistance strain sensor, belongs to the detecting instrument technical field.
Background technology
Resistance strain sensor uses in a large number in industrial and mining enterprises, because there is abominable factor such as high temperature, dust, water and greasy dirt in the production environment for use, sensor and the matching instrument frequency that breaks down is higher, be to utilize method such as multimeter measurement that fault is carried out analysis and judgement to the detection of sensor at present, often need the number people to cooperate just and can finish, and because environment badly reaches the sensor maintenance narrow space, operation inconvenience is unfavorable for accurately failure judgement place fast.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, easy to use, digital display type pick-up unit that can improve the resistance strain sensor of inspection speed greatly.
The technical scheme that solves the problems of the technologies described above is:
A kind of digital display type pick-up unit of resistance strain sensor, it is made up of Wheatstone bridge, digital display gauge outfit, adjustable resistance, cut-out switch and shell, on four brachium pontis of Wheatstone bridge a fixed resistance is arranged respectively respectively, adjustable resistance of fixed resistance series connection of one of them brachium pontis, the digital display gauge outfit is connected on the lead of millivolt output terminal of Wheatstone bridge, and millivolt connection terminal and the bridge crimping line terminals of Wheatstone bridge are connected with upper Displaying Meter respectively.
The digital display type pick-up unit of above-mentioned resistance strain sensor, on four brachium pontis of described Wheatstone bridge fixed resistance R1, R2, R3, R4 are arranged respectively, wherein the resistance of fixed resistance R2, R3, R4 is 4.7k Ω, fixedly the R1 resistance is 4.5K, adjustable resistance R5 connects with fixed resistance R1, and the Standard resistance range of adjustable resistance R5 is 0 ~ 470 Ω.
The digital display type pick-up unit of above-mentioned resistance strain sensor, described digital display gauge outfit is the low power consumption digital voltage table, shows that measurement range is ± 200mv.
The beneficial effects of the utility model are:
The digital display type pick-up unit of the resistance strain sensor that the utility model provides can analog sensor, only need the connection terminal of pick-up unit is connected with showing the transmission device table, the magnitude of voltage that shows Wheatstone bridge output by the digital display gauge outfit, the numeric ratio that carries out under actual numerical value and the nominal situation is right, thereby quick failure judgement position, and need not join multimeter more in addition and carry out the output voltage measurement, the digital display gauge outfit can show on the spot, can improve the fault diagnosis processing speed greatly, have simple in structure, easy to use, be easy to carry, economical and practical characteristics.
Description of drawings
Fig. 1 is electrical schematic diagram of the present utility model;
Fig. 2 is structural representation of the present utility model.
Mark is as follows among the figure: Wheatstone bridge 1, digital display gauge outfit 2, millivolt connection terminal 3, bridge crimping line terminals 4, cut-out switch 5, shell 6, fixed resistance R1, R2, R3, R4, R6, adjustable resistance R5.
Embodiment
The utility model is made up of Wheatstone bridge 1, digital display gauge outfit 2, adjustable resistance, cut-out switch 5, shell 6.
Show among the figure, on four brachium pontis of Wheatstone bridge 1 fixed resistance R1, a R2, R3, R4 are arranged respectively respectively, wherein R2, R3, R4 resistance are 4.7k Ω, the R1 resistance is 4.5K, the adjustable resistance R 5 of connecting with R1, its Standard resistance range is 0 ~ 470 Ω, can the artifical resistance strain gauge transducer by regulating adjustable resistance R5.Cross-over connection fixed resistance R6 coupling is 360 Ω between brachium pontis, produces actuation of an alarm when being used for preventing the instrument broken string, and institute's bridge that supplies pressure is provided by upper Displaying Meter on it.
Show among the figure that digital display gauge outfit 2 is the low power consumption digital voltage table, show that measurement range is ± 200mv.
Show among the figure that change-over switch 5 is used for the break-make of demonstration, each parts are installed in the shell 6.
Show among the figure, millivolt connection terminal 3 and the bridge crimping line terminals 4 of Wheatstone bridge 1 is used for being connected with upper Displaying Meter etc., show that by digital display gauge outfit 2 numeric ratio that carries out under actual numerical value and the nominal situation is right, thus the failure judgement position, and diagnosis is out of order a little at sensor or Displaying Meter.
The utility model also can be used for showing the proof-reading of transmission device table.
Claims (3)
1. the digital display type pick-up unit of a resistance strain sensor, it is characterized in that: it is made up of Wheatstone bridge (1), digital display gauge outfit (2), adjustable resistance, cut-out switch (5) and shell (6), on four brachium pontis of Wheatstone bridge (1) fixed resistance is arranged respectively respectively, adjustable resistance of fixed resistance series connection of one of them brachium pontis, digital display gauge outfit (2) is connected on the lead of millivolt output terminal of Wheatstone bridge (1), and millivolt connection terminal (3) and the bridge crimping line terminals (4) of Wheatstone bridge (1) are connected with upper Displaying Meter respectively.
2. the digital display type pick-up unit of resistance strain sensor according to claim 1, it is characterized in that: on four brachium pontis of described Wheatstone bridge (1) fixed resistance R1, R2, R3, R4 are arranged respectively, wherein the resistance of fixed resistance R2, R3, R4 is 4.7k Ω, fixedly the R1 resistance is 4.5K, adjustable resistance R5 connects with fixed resistance R1, and the Standard resistance range of adjustable resistance R5 is 0 ~ 470 Ω.
3. the digital display type pick-up unit of resistance strain sensor according to claim 2 is characterized in that: described digital display gauge outfit (2) is the low power consumption digital voltage table, shows that measurement range is ± 200mv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108872 CN203164326U (en) | 2013-03-11 | 2013-03-11 | Digital display type detection device of resistor strain sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108872 CN203164326U (en) | 2013-03-11 | 2013-03-11 | Digital display type detection device of resistor strain sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164326U true CN203164326U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320108872 Expired - Lifetime CN203164326U (en) | 2013-03-11 | 2013-03-11 | Digital display type detection device of resistor strain sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203164326U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063410A (en) * | 2017-04-12 | 2017-08-18 | 无锡研测技术有限公司 | Resistance-strain type digital weighing sensor with fault detect |
| CN107449351A (en) * | 2017-08-14 | 2017-12-08 | 陕西理工学院 | Strain gauge sorter and method for separating |
| CN107706980A (en) * | 2017-10-27 | 2018-02-16 | 云南交通运输职业学院 | A kind of bridge circuit battery pack output current balances display data harvester |
| CN108007334A (en) * | 2017-12-08 | 2018-05-08 | 中国航空工业集团公司北京长城计量测试技术研究所 | The step response characteristic measurement method and device of a kind of resistance strain measurement instrument |
| CN109028180A (en) * | 2018-06-12 | 2018-12-18 | 广东格兰仕集团有限公司 | A kind of initialization control method of micro-wave oven absolute humidity sensor |
| CN110031085A (en) * | 2019-04-19 | 2019-07-19 | 大连理工大学 | A kind of Damage Assessment Method sensor and Structural Damage Identification based on favour stone full-bridge principle |
| CN110121638A (en) * | 2017-02-13 | 2019-08-13 | 日本电产科宝电子株式会社 | Torque sensor |
| CN111623954A (en) * | 2020-04-30 | 2020-09-04 | 中国航天空气动力技术研究院 | Wind tunnel balance bridge fault detection method |
| CN112254875A (en) * | 2020-10-26 | 2021-01-22 | 南通大学 | Circuit and method for judging connection state of bridge sensor |
-
2013
- 2013-03-11 CN CN 201320108872 patent/CN203164326U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10955309B2 (en) | 2017-02-13 | 2021-03-23 | Nidec Copal Electronics Corporation | Torque sensor |
| CN110121638A (en) * | 2017-02-13 | 2019-08-13 | 日本电产科宝电子株式会社 | Torque sensor |
| CN107063410B (en) * | 2017-04-12 | 2019-02-15 | 无锡研测技术有限公司 | Resistance-strain type digital weighing sensor with fault detection |
| CN107063410A (en) * | 2017-04-12 | 2017-08-18 | 无锡研测技术有限公司 | Resistance-strain type digital weighing sensor with fault detect |
| CN107449351A (en) * | 2017-08-14 | 2017-12-08 | 陕西理工学院 | Strain gauge sorter and method for separating |
| CN107449351B (en) * | 2017-08-14 | 2023-08-11 | 陕西理工学院 | Strain gauge sorter and sorting method |
| CN107706980A (en) * | 2017-10-27 | 2018-02-16 | 云南交通运输职业学院 | A kind of bridge circuit battery pack output current balances display data harvester |
| CN108007334A (en) * | 2017-12-08 | 2018-05-08 | 中国航空工业集团公司北京长城计量测试技术研究所 | The step response characteristic measurement method and device of a kind of resistance strain measurement instrument |
| CN109028180A (en) * | 2018-06-12 | 2018-12-18 | 广东格兰仕集团有限公司 | A kind of initialization control method of micro-wave oven absolute humidity sensor |
| CN109028180B (en) * | 2018-06-12 | 2020-04-03 | 广东格兰仕集团有限公司 | Initialization control method for absolute humidity sensor of microwave oven |
| CN110031085A (en) * | 2019-04-19 | 2019-07-19 | 大连理工大学 | A kind of Damage Assessment Method sensor and Structural Damage Identification based on favour stone full-bridge principle |
| CN111623954B (en) * | 2020-04-30 | 2022-04-12 | 中国航天空气动力技术研究院 | Wind tunnel balance bridge fault detection method |
| CN111623954A (en) * | 2020-04-30 | 2020-09-04 | 中国航天空气动力技术研究院 | Wind tunnel balance bridge fault detection method |
| CN112254875A (en) * | 2020-10-26 | 2021-01-22 | 南通大学 | Circuit and method for judging connection state of bridge sensor |
| CN112254875B (en) * | 2020-10-26 | 2022-03-08 | 南通大学 | Circuit and method for judging connection state of bridge sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |