CN202455319U - Resistance strain conditioning device - Google Patents
Resistance strain conditioning device Download PDFInfo
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- CN202455319U CN202455319U CN2012200054281U CN201220005428U CN202455319U CN 202455319 U CN202455319 U CN 202455319U CN 2012200054281 U CN2012200054281 U CN 2012200054281U CN 201220005428 U CN201220005428 U CN 201220005428U CN 202455319 U CN202455319 U CN 202455319U
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Abstract
The utility model provides a resistance strain conditioning device. The resistance strain conditioning device comprises an input module, a programmable gain module, a voltage-current conversion module and an output module, wherein the programmable gain module is used for regulating magnification and amplifying tiny electric signals, the magnification can be regulated through a program, and a plurality of magnifications in a large range can be selected, so that the problems of smaller magnification and single magnification of the existing resistance strain conditioning device are solved, and the resistance strain conditioning device further has two forms, namely voltage output and current output so as to meet industrial actual applications.
Description
Technical field
The utility model relates to a kind of strain conditioner, relates in particular to a kind of resistance-strain conditioner.
Background technology
At present common resistance-strain conditioner volume is bigger, not portable, also is unfavorable for multinode distributed measurement or measurement in groups; And multiplication factor is less or multiplication factor is single; Can not satisfy the amplifieroperation of small strain amount, in addition, existing strain conditioner output form is single; Can only export the compliance voltage signal, be unfavorable for the industry practice application.
The utility model content
Less or multiplication factor is single and the problem that can only export the compliance voltage signal to present resistance-strain conditioner multiplication factor; The utility model provides a kind of resistance-strain conditioner; Can realize bigger multiplication factor; And there is more multiplication factor to select, can also exports the strain current signal.
A kind of resistance-strain conditioner; Comprise: be used to import the small voltage signal input module, be used to regulate multiplication factor and amplify the programme-controlled gain module of small voltage signal, the small voltage signal after being used for the small voltage conversion of signals after amplifying become the electric current and voltage modular converter of current signal and be used to export amplification and the output module of the current signal after the conversion; The programme-controlled gain module comprises input and first output and second output; The input of programme-controlled gain module links to each other with input module; Output module links to each other with first output of programme-controlled gain module; The input of electric current and voltage modular converter links to each other with second output of programme-controlled gain module, and the output of electric current and voltage modular converter links to each other with output module.
Further, input module is the RJ45 interface.
Further, output module is the RJ45 interface.
Further, the programme-controlled gain module adopts the programmable analog signal conditioner.
Further; The resistance-strain conditioner also comprises and is used for level switch module that the small voltage signal after the said amplification is carried out the processor of signal processing and is used for the signal after handling is carried out level conversion; The input of processor links to each other with first output of programme-controlled gain module; The output of processor links to each other with the input of level switch module, and the output of level switch module links to each other with output module.
Further; Processor comprises analog-to-digital conversion module and parallel serial conversion module; The input of analog-to-digital conversion module is the input of processor, and the output of parallel serial conversion module is the output of processor, and the output of analog-to-digital conversion module links to each other with the input of parallel serial conversion module; Analog-to-digital conversion module is used for the small electrical signals after amplifying is carried out mould/number conversion, and parallel serial conversion module is used for the signal after mould/number conversion is carried out and goes here and there conversion.
Further, level switch module is the MAX3078E chip.
Further, the small voltage signal is the resistance bridge signal.
A kind of resistance-strain conditioner that the utility model provides; Regulate multiplication factor and amplify the small voltage signal through the programme-controlled gain module; Multiplication factor can be regulated through program, and a plurality of multiplication factors are available on a large scale, solves the less and single problem of multiplication factor of existing resistance-strain conditioner multiplication factor; Possess voltage output and two kinds of forms of electric current output, to satisfy the practical application of industry.
Description of drawings
The structural representation of a kind of resistance-strain conditioner that Fig. 1 provides for the utility model.
The structural representation of a kind of another embodiment of resistance-strain conditioner that Fig. 2 provides for the utility model.
Embodiment
The embodiment of the utility model is described with reference to the accompanying drawings.Element of in the accompanying drawing of the utility model or a kind of execution mode, describing and characteristic can combine with element and the characteristic shown in or more a plurality of other accompanying drawings or the execution mode.Should be noted that in order to know purpose, omitted in accompanying drawing and the explanation and the utility model parts irrelevant, that those of ordinary skills are known and the expression and the description of processing.
Shown in accompanying drawing 1; A kind of resistance-strain conditioner; Comprise: be used to import the small voltage signal input module 1, be used to regulate multiplication factor and amplify the programme-controlled gain module 2 of small voltage signal, the small voltage signal after being used for the small voltage conversion of signals after amplifying become the electric current and voltage modular converter 6 of current signal and be used to export amplification and the output module 3 of the current signal after the conversion; Programme-controlled gain module 2 comprises input, first output and second output; The input of programme-controlled gain module 2 links to each other with input module 1; Output module 3 links to each other with first output of programme-controlled gain module 2, and the input of electric current and voltage modular converter 6 links to each other with second output of programme-controlled gain module 2, and the output of electric current and voltage modular converter 6 links to each other with output module 3.
Preferably, input module 1 all adopts the RJ45 interface that volume is little, cost is low with output module 3, helps realizing the distributed measurement of multinode.
Preferably, programme-controlled gain module 2 adopts the programmable analog signal conditioner, and the programmable analog signal conditioner can amplify output with faint voltage signal, also has functions such as error compensation.
Alternatively, the small voltage signal is the resistance bridge signal.
With the resistance bridge signal is example, and the small strain voltage signal that resistance bridge produces is exported from first output of programme-controlled gain module 2 after programme-controlled gain module 2 is amplified from input module 1 input, at last by the voltage signal after amplification of output module 3 outputs.
Electric current and voltage modular converter 6 adopts voltage current adapter.
The small strain voltage signal that resistance bridge produces is from input module 1 input, and process electric current and voltage modular converter 6 converted the electric current of 4-20mA to after programme-controlled gain module 2 was amplified, and by output module 3 outputs, is output as current signal.
Shown in accompanying drawing 2; The resistance-strain conditioner that the utility model provides also comprises processor 4 and level switch module 5; Wherein processor 4 is used for the small voltage signal after amplifying is carried out signal processing; The input of processor 4 links to each other with first output of programme-controlled gain module 2, and the output of processor 4 links to each other with the input of level switch module 5, and the output of level switch module 5 links to each other with output module 3.
Processor 4 comprises analog-to-digital conversion module 41 and parallel serial conversion module 42; The input of analog-to-digital conversion module 41 is the input of processor 4; The output of parallel serial conversion module 42 is the output of processor 4, and the output of analog-to-digital conversion module 41 links to each other with the input of parallel serial conversion module 42.
Preferably, processor 4 adopts the C8051F530 single-chip microcomputers, has analog-to-digital conversion module in the sheet, to realize that the resistance bridge signal after amplifying is carried out analog-to-digital conversion, also has parallel serial conversion module in the sheet simultaneously, and the signal after the analog-to-digital conversion is carried out and goes here and there conversion.
With the resistance bridge signal is example; The small strain voltage signal that resistance bridge produces is from input module 1 input; Carrying out analog-to-digital conversion and parallel serial conversion module 42 through analog-to-digital conversion module 41 after programme-controlled gain module 2 is amplified carries out and go here and there to change and exported by serial ports; Carry out level conversion through level switch module 5 again, and carry out remote transmission, by output module 3 outputs through the RS485 cable.
The small strain voltage signal that resistance bridge produces is from input module 1; Be RJ45 interface input, be amplified to required multiple, be divided into two-way from the signal of programme-controlled gain module 2 outputs through programme-controlled gain module 2: the one tunnel as voltage signal directly by output module 3 outputs; Perhaps carrying out analog-to-digital conversion through processor 4 is exported by serial ports with also going here and there to change; Carry out level conversion through level switch module 5, carry out remote transmission through the RS485 cable again, at last by output module 3 outputs; Another road converts current signal to by output module 3 outputs through electric current and voltage modular converter 6.
A kind of resistance-strain conditioner that the utility model provides; Regulate multiplication factor and amplify the small voltage signal through the programme-controlled gain module; Distinguishable minimum is the small voltage signal of 2.8uV; Multiplication factor can be regulated through program, and a plurality of multiplication factors are available on a large scale, and multiplication factor can be selected in the 2.6667-1152 scope; To adapt to the gain controlling of the different tiny signal of different applications, solve the less and single problem of multiplication factor of existing resistance-strain conditioner multiplication factor; The strain measurement signal can carry out remote transmission through the RS485 cable, guarantees the precision of signal; In addition, also possess voltage output and two kinds of forms of electric current output, to satisfy the practical application of industry.
Though specified the utility model and advantage thereof, be to be understood that and under situation about not exceeding, can carry out various changes, substitute and conversion the spirit of appended the utility model that claim limited and scope.And the application's scope is not limited only to the specific embodiment of the described process of specification, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from the disclosure of the utility model, can use according to the utility model and carry out and process, equipment, means, method or step said essentially identical function of corresponding embodiment or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended in their scope, comprise such process, equipment, means, method or step.
Claims (8)
1. resistance-strain conditioner; It is characterized in that; Said resistance-strain conditioner comprises: be used to import the small voltage signal input module, be used to regulate multiplication factor and amplify the programme-controlled gain module of small voltage signal, the small voltage signal after being used for the small voltage conversion of signals after amplifying become the electric current and voltage modular converter of current signal and be used to export amplification and the output module of the current signal after the conversion; Said programme-controlled gain module comprises input and first output and second output; The input of said programme-controlled gain module links to each other with input module; Said output module links to each other with first output of programme-controlled gain module, and the input of said electric current and voltage modular converter links to each other with second output of said programme-controlled gain module, and the output of said electric current and voltage modular converter links to each other with output module.
2. resistance-strain conditioner according to claim 1 is characterized in that, said input module is the RJ45 interface.
3. resistance-strain conditioner according to claim 1 is characterized in that, said output module is the RJ45 interface.
4. resistance-strain conditioner according to claim 1 is characterized in that, said programme-controlled gain module adopts the programmable analog signal conditioner.
5. resistance-strain conditioner according to claim 1; It is characterized in that; Said resistance-strain conditioner also comprises and is used for level switch module that the small voltage signal after the said amplification is carried out the processor of signal processing and is used for the signal after handling is carried out level conversion; The input of said processor links to each other with first output of said programme-controlled gain module; The output of said processor links to each other with the input of said level switch module, and the output of said level switch module links to each other with said output module.
6. resistance-strain conditioner according to claim 5; It is characterized in that; Said processor comprises analog-to-digital conversion module and parallel serial conversion module; The input of said analog-to-digital conversion module is the input of said processor, and the output of said parallel serial conversion module is the output of said processor, and the output of said analog-to-digital conversion module links to each other with the input of said parallel serial conversion module; Said analog-to-digital conversion module is used for the small voltage signal after the said amplification is carried out mould/number conversion, and said parallel serial conversion module is used for the signal after mould/number conversion is carried out and goes here and there conversion.
7. resistance-strain conditioner according to claim 5 is characterized in that, said level switch module is the MAX3078E chip.
8. resistance-strain conditioner according to claim 1 is characterized in that, said small voltage signal is the resistance bridge signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200054281U CN202455319U (en) | 2012-01-06 | 2012-01-06 | Resistance strain conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200054281U CN202455319U (en) | 2012-01-06 | 2012-01-06 | Resistance strain conditioning device |
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| Publication Number | Publication Date |
|---|---|
| CN202455319U true CN202455319U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200054281U Expired - Lifetime CN202455319U (en) | 2012-01-06 | 2012-01-06 | Resistance strain conditioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202455319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199811A (en) * | 2012-01-06 | 2013-07-10 | 北京泛华恒兴科技有限公司 | Resistance strain regulator |
-
2012
- 2012-01-06 CN CN2012200054281U patent/CN202455319U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199811A (en) * | 2012-01-06 | 2013-07-10 | 北京泛华恒兴科技有限公司 | Resistance strain regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ENAI INSTRUMENT CO., LTD. Free format text: FORMER OWNER: BEIJING FANHUA HENGXING TECHNOLOGY CO., LTD. Effective date: 20150804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150804 Address after: 201203 Zhang Dong Road, Shanghai, No. forty-third, building 1387, 45, Pudong New Area Patentee after: Beijing Fanhua Hengxing Technology Co., Ltd. Address before: 100192, A-4 building, No. 66 Xiao Dong Road, Beijing, Haidian District Patentee before: Beijing Fanhua Hengxing Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |