CN102928136A - Oil film bearing borne load measurement and analysis device - Google Patents
Oil film bearing borne load measurement and analysis device Download PDFInfo
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- CN102928136A CN102928136A CN2012104386609A CN201210438660A CN102928136A CN 102928136 A CN102928136 A CN 102928136A CN 2012104386609 A CN2012104386609 A CN 2012104386609A CN 201210438660 A CN201210438660 A CN 201210438660A CN 102928136 A CN102928136 A CN 102928136A
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- circuit
- load measurement
- bearing load
- filmatic bearing
- strain bridge
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Abstract
The invention discloses an oil film bearing borne load measurement and analysis device which comprises a voltage stabilization module, a system power supply module, a strain bridge circuit, a prefixed amplifying circuit, a post-fixed amplifying circuit and a controller. The oil film bearing borne load measurement and analysis device can effectively enlarge the dynamic range of oil film bearing borne load measurement and analysis, measures and calculates oil film bearing borne load, and achieves analysis on oil film bearing borne load conditions.
Description
Technical field
The invention belongs to filmatic bearing load measurement field, related in particular to a kind of filmatic bearing load measurement analytical equipment.
Background technology
The assessment of filmatic bearing mean lifetime in the production and application process, the life-span is unusual when on the low side, except check analyze installs, use, safeguard the aspect unusually.Often need axle bearing load situation is carried out rough computational analysis, to determine whether bearing move at safety case. manufacturing accuracy requirement and critical part for bearing are scrapped standard, also will reasonably determine after the angle of cost economy is carried out the check of load-bearing capacity.But the variable quantity of filmatic bearing load is larger, requires the amplifier dynamic range of measurement analysis device also large, has only reached to insist on requirement, could be to the measurements and calculations of carrying out of filmatic bearing load, realize that the filmatic bearing load situation analyzes.
Summary of the invention
The object of the present invention is to provide a kind of filmatic bearing load measurement analytical equipment.
The technical scheme that realizes above-mentioned purpose is:
A kind of filmatic bearing load measurement analytical equipment, comprise Voltage stabilizing module, the system power supply module, the strain bridge circuit, pre-amplification circuit, the rear class amplifying circuit, controller and display device form, wherein said system power supply module respectively with described Voltage stabilizing module, described pre-amplification circuit, described rear class amplifying circuit, described controller is connected with described display device, described Voltage stabilizing module is connected with described strain bridge circuit, described strain bridge circuit is connected with described pre-amplification circuit, described pre-amplification circuit is connected with described rear class amplifying circuit, described rear class amplifying circuit is connected with described controller, and described controller is connected with described display device.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described strain bridge circuit is used for induction filmatic bearing load situation, output electric quantity signal.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described pre-amplification circuit is used for amplifying the electric quantity signal of described strain bridge circuit output, and its enlargement factor is not more than 10 times, and the electric quantity signal of the described strain bridge circuit output after will amplifying is as output signal.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described rear class amplifying circuit is for the output signal of amplifying described pre-amplification circuit, and its enlargement factor is not more than 10 times.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described Voltage stabilizing module provides the stable DC level for the strain bridge circuit.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described controller is used for rear class amplifying circuit output signal is carried out A/D conversion and calculating.
Above-mentioned filmatic bearing load measurement analytical equipment, wherein, described display device is used for the display measurement result.
The invention has the beneficial effects as follows: the present invention can be to the measurements and calculations of carrying out of filmatic bearing load, and realization filmatic bearing load situation is analyzed.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing to describing the preferred embodiments of the present invention.
Please refer to Fig. 1, the present invention includes Voltage stabilizing module 1, system power supply module 2, strain bridge circuit 3, pre-amplification circuit 4, rear class amplifying circuit 5, controller 6 and display device 7 and form.Wherein system power supply module 2 is connected with Voltage stabilizing module 1, pre-amplification circuit 4, rear class amplifying circuit 5, controller 6 and display device 7 respectively, Voltage stabilizing module 1 is connected with strain bridge circuit 3, strain bridge circuit 3 is connected with pre-amplification circuit 4, pre-amplification circuit 4 is connected with rear class amplifying circuit 5, rear class amplifying circuit 5 is connected with controller 6, and controller 6 is connected with display device 7.
Pre-amplification circuit 4 is used for amplifying the electric quantity signal of strain bridge circuit 3 outputs, adopts differential amplifier LM385 to amplify, and its enlargement factor is not more than 10 times.
Rear class amplifying circuit 5 adopts OP07 high-precision AC operational amplifier to be used for the electric quantity signal that amplifies pre-amplification circuit 4 outputs is advanced to amplify, and its enlargement factor is not more than 10 times.
Voltage stabilizing module 1 provides the stable DC level for the strain bridge circuit, adopts murata 0505C.
Principle of the present invention is: utilize the one-level differential amplifier circuit to exchange the two-stage amplifying circuit that operational amplifier forms with one-level, in order to amplify AC signal, the blocking-up direct current signal, make the dynamic range of amplifying circuit larger, reached the measurements and calculations of carrying out to filmatic bearing load, realization filmatic bearing load situation is analyzed.
Below in conjunction with the embodiments the present invention is had been described in detail, those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not consist of limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (6)
1. filmatic bearing load measurement analytical equipment, comprise Voltage stabilizing module, the system power supply module, the strain bridge circuit, pre-amplification circuit, rear class amplifying circuit and controller, wherein said system power supply module respectively with described Voltage stabilizing module, described pre-amplification circuit, described rear class amplifying circuit is connected with described controller, described Voltage stabilizing module is connected with described strain bridge circuit, described strain bridge circuit is connected with described pre-amplification circuit, described pre-amplification circuit is connected with described rear class amplifying circuit, described rear class amplifying circuit is connected with described controller, and described controller is connected with described display device.
2. filmatic bearing load measurement analytical equipment according to claim 1, wherein, described strain bridge circuit is used for induction filmatic bearing load situation, output electric quantity signal.
3. filmatic bearing load measurement analytical equipment according to claim 1, wherein, described pre-amplification circuit is used for amplifying the electric quantity signal of described strain bridge circuit output, its enlargement factor is not more than 10 times, and the electric quantity signal of the described strain bridge circuit output after will amplifying is as output signal.
4. filmatic bearing load measurement analytical equipment according to claim 1, wherein, described rear class amplifying circuit is used for the output signal of amplifying described pre-amplification circuit, and its enlargement factor is not more than 10 times.
5. filmatic bearing load measurement analytical equipment according to claim 1, wherein, described Voltage stabilizing module provides the stable DC level for described strain bridge circuit.
6. the highly sensitive strain multiplying arrangement of low-power consumption according to claim 1, wherein, described controller is with the A/D modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104386609A CN102928136A (en) | 2012-11-06 | 2012-11-06 | Oil film bearing borne load measurement and analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104386609A CN102928136A (en) | 2012-11-06 | 2012-11-06 | Oil film bearing borne load measurement and analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102928136A true CN102928136A (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104386609A Pending CN102928136A (en) | 2012-11-06 | 2012-11-06 | Oil film bearing borne load measurement and analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102928136A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0009230B1 (en) * | 1978-09-26 | 1982-05-26 | Siemens Aktiengesellschaft | Circuit for producing a test tension |
| CN1289041A (en) * | 2000-10-19 | 2001-03-28 | 浙江大学 | Real-time shafting operation state, stress state and failure detecting unit |
| CN2709964Y (en) * | 2004-07-29 | 2005-07-13 | 上海永通机械厂 | Tension sensor |
| CN201935761U (en) * | 2010-11-29 | 2011-08-17 | 重庆大学 | Press tonnage monitor |
-
2012
- 2012-11-06 CN CN2012104386609A patent/CN102928136A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0009230B1 (en) * | 1978-09-26 | 1982-05-26 | Siemens Aktiengesellschaft | Circuit for producing a test tension |
| CN1289041A (en) * | 2000-10-19 | 2001-03-28 | 浙江大学 | Real-time shafting operation state, stress state and failure detecting unit |
| CN2709964Y (en) * | 2004-07-29 | 2005-07-13 | 上海永通机械厂 | Tension sensor |
| CN201935761U (en) * | 2010-11-29 | 2011-08-17 | 重庆大学 | Press tonnage monitor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |