CN201600151U - Automatic detection device for temperature compensation parameter of strain gauge sensor - Google Patents
Automatic detection device for temperature compensation parameter of strain gauge sensor Download PDFInfo
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- CN201600151U CN201600151U CN2009202864313U CN200920286431U CN201600151U CN 201600151 U CN201600151 U CN 201600151U CN 2009202864313 U CN2009202864313 U CN 2009202864313U CN 200920286431 U CN200920286431 U CN 200920286431U CN 201600151 U CN201600151 U CN 201600151U
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- data acquisition
- strain
- temperature
- control system
- gauge
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Abstract
The utility model discloses an automatic detection device for temperature compensation parameter of a stain gauge sensor. The automatic detection device comprises a thermostatic tank, a temperature control system, a plurality of stain gauge sensor groups, a plurality of data acquisition sub-boards, a data acquisition main board and a main control system, wherein the temperature control system is connected to the thermostatic tank and used for adjusting temperature of the thermostatic tank to required temperature, the strain gauge sensor groups are arranged in the thermostatic tank, the data acquisition sub-boards disposed in the thermostatic tank acquire all parameters of stain gauge sensors in the corresponding stain gauge sensor group, the data acquisition main board is connected with all the data acquisition sub-boards and used for accumulating parameter information of all the stain gauge sensors, and the main control system connected with the data acquisition main board is used for acquiring compensation parameters according to parameter information of the all strain gauge sensors acquired by the data acquisition main board via the data acquisition sub-boards under different temperatures. The automatic detection device has the advantages of having high efficiency and correctness and saving labor.
Description
Technical field
The utility model relates to a kind of sensor temperature compensating parameter automatic detection device, particularly a kind of strain-gauge transducer temperature compensation parameter automatic detection device.
Background technology
Strain gauge transducer is foil gauge is pasted on surface of elastomer or directly foil gauge is pasted on the test specimen.The distortion of elastic body or test specimen passes to sensitive grid by substrate and cementing agent, and corresponding the variation taken place for its resistance value, is converted to the variation of voltage or electric current by change-over circuit, can measure strain.If physical quantitys such as displacement, power, moment, acceleration, pressure are converted to strain, then can measure above-mentioned each amount, and make various strain gauge transducers by elastic body or test specimen.
Yet strain-gauge transducer its sensitivity meeting under different temperature changes, and this will cause the weight result who is obtained under different temperature also to change.Therefore must take the suitable compensation method that this error is proofreaied and correct.A kind of compensation method of the prior art is to adopt compensating parameter to compensate., must gather in the data under the different temperatures for this reason, carry out temperature compensation on this basis sensor.Traditional method of operating, is tested each sensor under a certain specified temp one by one by the workman, and notes this parameter one by one.Treat to measure once more after temperature changes next particular value into.Such measurement extremely consumes manually, and inefficiency, makes mistakes easily.
Therefore, how to provide a kind of efficient, compensating parameter pick-up unit that accuracy is high, become the problem that those skilled in the art need solve.
The utility model content
Technical scheme to be solved of the present utility model provides a kind of strain-gauge transducer temperature compensation parameter automatic detection device, to solve the deficiencies in the prior art.
Be to solve technique scheme, the utility model provides a kind of strain-gauge transducer temperature compensation parameter automatic detection device, comprising: constant temperature oven, be used for constant temperature in it; Temperature control system, connect described constant temperature oven, be used to adjust the temperature of described constant temperature oven to required temperature; Some groups of strain-gauge transducer groups, be arranged in the described constant temperature oven, and every group of strain-gauge transducer group includes several strain-gauge transducers; Several data acquisition daughter boards, be arranged in the described constant temperature oven, described data acquisition daughter board is corresponding one by one with described strain-gauge transducer group, and each data acquisition daughter board is gathered the parameter information of all strain-gauge transducers of strain-gauge transducer group corresponding with it; The data acquisition mainboard, connect all data acquisition daughter boards, compile the parameter information of all strain-gauge transducers; Master control system, connect described data acquisition mainboard, be used for the parameter information of all strain-gauge transducers of collecting by described several data acquisition daughter boards according to described data acquisition mainboard under the different temperatures, be compensated parameter.
As one of optimal way of the present utility model, described data acquisition mainboard is arranged in the constant temperature oven.
As one of optimal way of the present utility model, each data acquisition daughter board can connect 32 strain-gauge transducers at most simultaneously.
As one of optimal way of the present utility model, each data acquisition mainboard can connect 256 data at most simultaneously and gather daughter board.
As one of optimal way of the present utility model, described master control system also connects described temperature control system, changes temperature in the described constant temperature oven to control described temperature control system.
The beneficial effects of the utility model are: efficient, accuracy is high, saving is artificial.
Description of drawings
The structural representation of the strain-gauge transducer temperature compensation parameter automatic detection device that Fig. 1 provides for the utility model.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, a kind of strain-gauge transducer temperature compensation parameter automatic detection device comprises:
Constant temperature oven, be used for constant temperature in it;
Temperature control system, connect described constant temperature oven, be used to adjust the temperature of described constant temperature oven to required temperature;
Some groups of strain-gauge transducer groups, be arranged in the described constant temperature oven, and every group of strain-gauge transducer group includes several strain-gauge transducers;
Several data acquisition daughter boards, be arranged in the described constant temperature oven, described data acquisition daughter board is corresponding one by one with described strain-gauge transducer group, and each data acquisition daughter board is gathered the parameter information of all strain-gauge transducers of strain-gauge transducer group corresponding with it;
The data acquisition mainboard, connect all data acquisition daughter boards, compile the parameter information of all strain-gauge transducers;
Master control system, connect described data acquisition mainboard, be used for the parameter information of all strain-gauge transducers of collecting by described several data acquisition daughter boards according to described data acquisition mainboard under the different temperatures, be compensated parameter.
Further, described data acquisition mainboard is arranged in the constant temperature oven.
Further, each data acquisition daughter board can connect 32 strain-gauge transducers at most simultaneously.
Further, each data acquisition mainboard can connect 256 data collection daughter boards at most simultaneously.
Further, described master control system also connects described temperature control system, changes temperature in the described constant temperature oven to control described temperature control system.
Further, described master control system also connects printer, can print the compensating parameter that obtains.
Master control system is at first according to the temperature curve of subscribing, select the temperature of needs, and by described temperature control system with the temperature constant in the constant temperature oven on the temperature of needs, after the time span through a reservation, can think that strain-gauge transducer is stable, then master control system is gathered the temperature parameter of all strain-gauge transducers by data acquisition mainboard and data acquisition daughter board, and record in addition, again the temperature in the constant temperature oven is adjusted to next temperature required, after a ticket reserving time length, gather the temperature parameter of all strain-gauge transducers, and record in addition.Parameter acquisition record under all are temperature required finishes, and master control system is compensated parameter according to predefined algorithm again.
Because each data acquisition daughter board can connect 32 sensors simultaneously, a data acquisition system can comprise 256 data collection daughter boards at most, and therefore as long as constant temperature oven is enough big, this system can detect 8192 sensors simultaneously in theory.Therefore the utility model can obtain compensating parameter preferably by gathering the parameter information of a large amount of strain-gauge transducers under different temperatures automatically, and efficient height, accuracy height, save artificial.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.Any modification or partial replacement that does not break away from the utility model spirit and scope all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. a strain-gauge transducer temperature compensation parameter automatic detection device is characterized in that, comprising:
Constant temperature oven, be used for constant temperature in it;
Temperature control system, connect described constant temperature oven, be used to adjust the temperature of described constant temperature oven to required temperature;
Some groups of strain-gauge transducer groups, be arranged in the described constant temperature oven, and every group of strain-gauge transducer group includes several strain-gauge transducers;
Several data acquisition daughter boards, be arranged in the described constant temperature oven, described data acquisition daughter board is corresponding one by one with described strain-gauge transducer group, and each data acquisition daughter board is gathered the parameter information of all strain-gauge transducers of strain-gauge transducer group corresponding with it;
The data acquisition mainboard, connect all data acquisition daughter boards, compile the parameter information of all strain-gauge transducers;
Master control system, connect described data acquisition mainboard, be used for the parameter information of all strain-gauge transducers of collecting by described several data acquisition daughter boards according to described data acquisition mainboard under the different temperatures, be compensated parameter.
2. strain-gauge transducer temperature compensation parameter automatic detection device as claimed in claim 1 is characterized in that: described data acquisition mainboard is arranged in the constant temperature oven.
3. strain-gauge transducer temperature compensation parameter automatic detection device as claimed in claim 1 is characterized in that: each data acquisition daughter board can connect 32 strain-gauge transducers at most simultaneously.
4. strain-gauge transducer temperature compensation parameter automatic detection device as claimed in claim 1 is characterized in that: each data acquisition mainboard can connect 256 data at most simultaneously and gather daughter board.
5. strain-gauge transducer temperature compensation parameter automatic detection device as claimed in claim 1, it is characterized in that: described master control system also connects described temperature control system, changes temperature in the described constant temperature oven to control described temperature control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202864313U CN201600151U (en) | 2009-12-25 | 2009-12-25 | Automatic detection device for temperature compensation parameter of strain gauge sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202864313U CN201600151U (en) | 2009-12-25 | 2009-12-25 | Automatic detection device for temperature compensation parameter of strain gauge sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600151U true CN201600151U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202864313U Expired - Fee Related CN201600151U (en) | 2009-12-25 | 2009-12-25 | Automatic detection device for temperature compensation parameter of strain gauge sensor |
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| CN (1) | CN201600151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716890A (en) * | 2015-12-30 | 2016-06-29 | 东莞市青麦田数码科技有限公司 | Airplane temperature compensator test system and test method |
| CN108803367A (en) * | 2015-08-17 | 2018-11-13 | 常州爱上学教育科技有限公司 | The working method of the intelligent temperature control system of intelligent domestic system |
-
2009
- 2009-12-25 CN CN2009202864313U patent/CN201600151U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803367A (en) * | 2015-08-17 | 2018-11-13 | 常州爱上学教育科技有限公司 | The working method of the intelligent temperature control system of intelligent domestic system |
| CN105716890A (en) * | 2015-12-30 | 2016-06-29 | 东莞市青麦田数码科技有限公司 | Airplane temperature compensator test system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101006 Termination date: 20151225 |
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| EXPY | Termination of patent right or utility model |