CN203550947U - Electronic level meter for monitoring horizontal change of machine tool - Google Patents
Electronic level meter for monitoring horizontal change of machine tool Download PDFInfo
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- CN203550947U CN203550947U CN201320632648.1U CN201320632648U CN203550947U CN 203550947 U CN203550947 U CN 203550947U CN 201320632648 U CN201320632648 U CN 201320632648U CN 203550947 U CN203550947 U CN 203550947U
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Abstract
The utility model discloses an electronic level meter for monitoring the horizontal change of a machine tool. The electronic level meter comprises a display module and a plurality of measuring modules, wherein each measuring module consists of a double-shaft inclination angle sensor, a reference source chip, a first analog signal conditioning circuit, a second analog signal conditioning circuit, a first analog to digital conversion chip, a second analog to digital conversion chip and a first singlechip; the power supply end of the double-shaft inclination angle sensor is connected with the reference source chip; X-shaft and Y-shaft analog output interfaces of the double-shaft inclination angle sensor are connected with the input end of the first singlechip after being correspondingly connected with the first analog signal conditioning circuit and the second analog signal conditioning circuit respectively; the output end of the first singlechip is connected with the display module. The electronic level meter has the advantages that power is provided for the double-shaft inclination angle sensor by the reference source chip, so that voltage ripples produced in the working process of the double-shaft inclination angle sensor are small, and the high stability is achieved. Meanwhile, analog signals are output by the double-shaft inclination angle sensor, and the accuracy of obtained measured results is improved, so that the electronic level meter can be applied to precision measurement.
Description
Technical field
The utility model relates to a kind of electrolevel, especially relates to a kind of electrolevel changing for monitoring machine tool horizontal.
Background technology
When lathe carries out operation in the comparatively soft ground of soil property, can cause because of settlement of foundation the deformation and damage of the mechanical part (as the leading screw of the pull bar of injection machine, numerical control machine tool and guide rail) of lathe, the level variation of therefore monitoring lathe shangguan key position seems particularly important.Level meter is a kind of surveying instrument that measurement level changes, and is widely used in the heavy constructions such as building, rocket launch platform, bridge or precision engineering.Current level meter changes by the level of key position in the measurement module monitoring works in level meter mostly, then by the data transmission recording to the display module in level meter, by display module, show the data that record again, then provide alerting signal according to the data of surveying.Measurement module in some level meter adopts bubble formula sensor as survey instrument, and this class level meter needs artificially judge whether level of tested plane, and estimates the angle value of inclination, and measuring accuracy is lower; Measurement module in some level meters adopts pendulum mass vertical line and the two level body measurement level that whether contacts to change, and this class level meter just provides alerting signal when pendulum mass vertical line tilts to a certain degree, can not be used for precision measurement.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of measuring accuracy is high, good stability and can be used for the electrolevel changing for monitoring machine tool horizontal of precision measurement.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of electrolevel changing for monitoring machine tool horizontal, comprise display module and multiple measurement module, it is characterized in that: described measurement module is by double-shaft tilt angle sensor, reference source chip, the first analog signal conditioner circuit, the second analog signal conditioner circuit, the first modulus conversion chip, the second modulus conversion chip and the first single-chip microcomputer composition, the power end of described double-shaft tilt angle sensor is connected with the output terminal of described reference source chip, the X-axis simulation output interface of described double-shaft tilt angle sensor is connected with the input end of described the first modulus conversion chip by the first described analog signal conditioner circuit, the Y-axis simulation output interface of described double-shaft tilt angle sensor is connected with the input end of described the second modulus conversion chip by the second described analog signal conditioner circuit, the output terminal of the output terminal of the first described modulus conversion chip and the second described modulus conversion chip is connected with the input end of the first described single-chip microcomputer, the output terminal of the first described single-chip microcomputer is connected with the input end of described display module.
The output terminal of the first described single-chip microcomputer is connected with the input end of described display module by RS485 communication module.
Described display module is comprised of second singlechip and LED charactron, the output terminal of described second singlechip is connected with the input end of described LED charactron by string conversion chip, and the input end of described second singlechip passes through described RS485 communication module and is connected with the output terminal of described the first single-chip microcomputer.
The input end of described second singlechip is connected with the button for State selective measurements module.
The output terminal of described second singlechip is connected with alarm module, and the output terminal transmission enable signal of described second singlechip is given the input end of described alarm module.
The first described single-chip microcomputer and described second singlechip all adopt Microchip single-chip microcomputer.
The model of described double-shaft tilt angle sensor is SCA100T-D02.
The output terminal of the output terminal of the first described modulus conversion chip and the second described modulus conversion chip is connected with the input end of described the first single-chip microcomputer by serial peripheral interface bus respectively.
It is the modulus conversion chip of AD7788 that the first described modulus conversion chip and the second described modulus conversion chip all adopt model.
Compared with prior art, the utility model has the advantage of:
1. the measurement module of electrolevel of the present utility model is by double-shaft tilt angle sensor, reference source chip, the first analog signal conditioner circuit, the second analog signal conditioner circuit, the first modulus conversion chip, the second modulus conversion chip and the first single-chip microcomputer composition, measurement module relies on double-shaft tilt angle sensor to complete measurement, because double-shaft tilt angle sensor is by reference source chip power supply, make the voltage ripple that produces in the double-shaft tilt angle sensor course of work little, thereby make electrolevel of the present utility model there is good stability, the output terminal outputting analog signal of double-shaft tilt angle sensor simultaneously, make the precision of the measurement result obtaining high, can be used for precision measurement.
2. electrolevel of the present utility model shows by LED charactron the data that each measurement module records; the data that the measurement module reading when second singlechip records higher than second singlechip arrange angle value time; second singlechip transmission enable signal is to alarm module; then alarm module provides warning to remind operating personnel, thus the object that reaches protection machine tool component, extends lathe serviceable life.
Accompanying drawing explanation
Fig. 1 is general illustration of the present utility model;
Fig. 2 is the structural representation of measurement module of the present utility model;
Fig. 3 is that the utility model is applied to the schematic top plan view that monitoring injection machine level changes.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
The utility model proposes a kind of electrolevel changing for monitoring machine tool horizontal, Fig. 1 has provided general illustration of the present utility model, it has comprised display module 1 and multiple measurement module 2, measurement module 2 is connected with display module 1 by RS485 communication module 3, and measurement module 2 is fixed on the position that needs level monitoring variation on lathe.As shown in Figure 2, measurement module 2 is by double-shaft tilt angle sensor 21, reference source chip 26, the first analog signal conditioner circuit 22, the second analog signal conditioner circuit 23, the first analog to digital conversion (ADC) chip 24, the second modulus conversion chip 25 and the first single-chip microcomputer 27 form, the power end of double-shaft tilt angle sensor 21 is connected with the output terminal of reference source chip 26, this reference source chip 26 can guarantee that the voltage ripple producing in double-shaft tilt angle sensor 21 courses of work is little, make the stability that precision is high and assurance is measured of measuring, the X-axis simulation output interface of double-shaft tilt angle sensor 21 is connected with the input end of the first analog signal conditioner circuit 22, the output terminal of the first analog signal conditioner circuit 22 is connected with the input end of the first modulus conversion chip 24, the Y-axis simulation output interface of double-shaft tilt angle sensor is connected with the input end of the second analog signal conditioner circuit 23, the output terminal of the second analog signal conditioner circuit 23 is connected with the second modulus conversion chip 25, the output terminal of the output terminal of the first modulus conversion chip 24 and the second modulus conversion chip 25 is connected with the input end of the first single-chip microcomputer 27 by serial peripheral interface bus respectively, the output terminal of the first single-chip microcomputer 27 is connected with the input end of display module 1 by RS485 communication module 3.Display module 1 is comprised of second singlechip and LED charactron, the input end of second singlechip is connected with the output terminal of the first single-chip microcomputer 27, the output terminal of second singlechip is connected with LED charactron by string conversion chip, conventional at present 8 bit strings conversion chip for string conversion chip, as to adopt model be string the conversion chip of 74HC4094, and on the input end of second singlechip, be connected with the button for selecting certain or certain several measurement modules, these buttons are inputted use as user.In order to reach the object of reminding operating personnel, output terminal at second singlechip has also connected alarm module 4, when angle value that the data that read arrange on higher than second singlechip, the output terminal of second singlechip just transmits enable signal and gives the alarm with drive alarm module 4 to the input end of alarm module 4, thereby reminds operating personnel.Alarm module 4 adopts existing alarm module, as directly connected a loudspeaker on second singlechip, transmits enable signal loudspeaker is given the alarm by second singlechip.During electrolevel work of the present utility model, the X-axis of double-shaft tilt angle sensor 21, Y-axis simulation output interface output inclination angle Voltage-output signal, the inclination angle Voltage-output signal of X-axis simulation output interface output amplifies after this inclination angle Voltage-output signal through the first analog signal conditioner circuit 22, by the first modulus conversion chip 24, the inclination angle Voltage-output signal after amplifying is carried out to analog-to-digital conversion process and converts angle value to again, finally the angle value obtaining is sent in display module 1, the inclination angle Voltage-output signal of Y-axis simulation output interface output is through the second analog signal conditioner circuit 23 amplifying signals, the second modulus conversion chip 25 converts to after angle value, the angle value obtaining is sent in display module 1, the angle value that second singlechip in display module 1 obtains according to the angle value being obtained by X-axis simulation output interface with by Y-axis simulation output interface carries out calculation process, by LED charactron, shown the angle value recording.
In specific implementation process, the first single-chip microcomputer 27 and second singlechip all adopt Microchip single-chip microcomputer, and double-shaft tilt angle sensor 21 adopts VTI high-precision dual-axis obliquity sensor chip SCA100T-D02.SCA100T-D02 chip provides digital output interface and simulation output interface, when adopting digital output interface as output port, do not need to increase external circuit and just can directly pass through Serial Peripheral Interface (SPI) (SPI) bus image data, now resolution is at 0.07 °, and resolution is lower; And when adopting simulation output interface as output port, resolution is very high, can reach 0.0025 °, but now need extra analog signal conditioner circuit and high precision analogue conversion (ADC) chip.In order to meet high-precision requirement, double-shaft tilt angle sensor 21 in the utility model adopts simulation output interface as output port, the output terminal outputting analog signal of double-shaft tilt angle sensor 21 can further improve the precision of measurement, adopt 16 high-precision adc chip AD7788 to process the voltage signal of double-shaft tilt angle sensor chip SCA100T-D02 output simultaneously, the inclination data precision of final measurement module of the present utility model 2 can reach ± and 0.0025 °, can meet various high-precision applications occasions.Reference source chip adopts chip that commonly use and that can meet double-shaft tilt angle sensor chip SCA100T-D02 operating voltage on market.The first analog signal conditioner circuit 22 and the second analog signal conditioner circuit 23 adopt identical circuit, these two analog signal conditioner circuit adopt the voltage follower consisting of operational amplifier, these two analog signal conditioner circuit amplify, cushion or calibrate processing the simulating signal of double-shaft tilt angle sensor 21 output port outputs, and the simulating signal after analog signal conditioner circuit is more suitable in being linked into the input end of the first modulus conversion chip 24 and the input end of the second modulus conversion chip 25.Display module 1 is used 6 LED charactrons as display interface, adopts 4 buttons as user's input control simultaneously, and display module 1 can connect nearly 20 measurement modules 2 by RS485 communication module 3 simultaneously.By display module 1, can show and check the data of each measurement module 2, and can carry out initial zero correction and recover actual zero point etc. single or multiple measurement modules 2.When angle value that the data of the measurement module 2 reading are set on higher than second singlechip, second singlechip transmission enable signal, to alarm module 4, is given the alarm and is reminded operating personnel by alarm module 4.RS485 communication module 3 is for being connected in parallel between the data connection between measurement module 2 and display module 1 and measurement module 2.The baud rate of RS485 communication module 3 is 115200bps, and its transmission range is 0 ~ 100 meter.Operator can independently write agreement stipulations based on Modbus industrial protocol, then this agreement utilization is gone in communication input and output order, information and the exchanges data of node at double-shaft tilt angle sensor 21, display module 1 just can be accessed each measurement module 2 by these agreement stipulations.
Fig. 3 has provided the utility model and has been applied to the schematic top plan view that monitoring injection machine level changes, and four measuring module 2 is placed on the guide rail of injection moulding machine template operation, can relatively press close to reflect like this situation that pull bar level changes.Then by RS485 communication module 3, be connected in the display module 1 in panel box and go, also can directly be linked in the IO control panel in injection machine the controller by data feedback to injection machine.Treat that operating personnel for the first time after leveling molding machine level, carry out rezero operation by electrolevel of the present utility model, using the benchmark as monitoring from now on injection machine level and changing.
Claims (9)
1. the electrolevel changing for monitoring machine tool horizontal, comprise display module and multiple measurement module, it is characterized in that: described measurement module is by double-shaft tilt angle sensor, reference source chip, the first analog signal conditioner circuit, the second analog signal conditioner circuit, the first modulus conversion chip, the second modulus conversion chip and the first single-chip microcomputer composition, the power end of described double-shaft tilt angle sensor is connected with the output terminal of described reference source chip, the X-axis simulation output interface of described double-shaft tilt angle sensor is connected with the input end of described the first modulus conversion chip by the first described analog signal conditioner circuit, the Y-axis simulation output interface of described double-shaft tilt angle sensor is connected with the input end of described the second modulus conversion chip by the second described analog signal conditioner circuit, the output terminal of the output terminal of the first described modulus conversion chip and the second described modulus conversion chip is connected with the input end of the first described single-chip microcomputer, the output terminal of the first described single-chip microcomputer is connected with the input end of described display module.
2. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 1, is characterized in that: the output terminal of the first described single-chip microcomputer is connected with the input end of described display module by RS485 communication module.
3. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 2, it is characterized in that: described display module is comprised of second singlechip and LED charactron, the output terminal of described second singlechip is connected with the input end of described LED charactron by string conversion chip, and the input end of described second singlechip passes through described RS485 communication module and is connected with the output terminal of described the first single-chip microcomputer.
4. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 3, is characterized in that: the input end of described second singlechip is connected with the button for State selective measurements module.
5. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 4, it is characterized in that: the output terminal of described second singlechip is connected with alarm module, the output terminal transmission enable signal of described second singlechip is given the input end of described alarm module.
6. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 5, is characterized in that: the first described single-chip microcomputer and described second singlechip all adopt Microchip single-chip microcomputer.
7. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 6, is characterized in that: the model of described double-shaft tilt angle sensor is SCA100T-D02.
8. a kind of electrolevel changing for monitoring machine tool horizontal according to claim 7, is characterized in that: the output terminal of the output terminal of the first described modulus conversion chip and the second described modulus conversion chip is connected with the input end of described the first single-chip microcomputer by serial peripheral interface bus respectively.
9. according to a kind of electrolevel changing for monitoring machine tool horizontal described in any one in claim 1 to 8, it is characterized in that: it is the modulus conversion chip of AD7788 that the first described modulus conversion chip and the second described modulus conversion chip all adopt model.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632648.1U CN203550947U (en) | 2013-10-14 | 2013-10-14 | Electronic level meter for monitoring horizontal change of machine tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320632648.1U CN203550947U (en) | 2013-10-14 | 2013-10-14 | Electronic level meter for monitoring horizontal change of machine tool |
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| CN201320632648.1U Expired - Fee Related CN203550947U (en) | 2013-10-14 | 2013-10-14 | Electronic level meter for monitoring horizontal change of machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890574A (en) * | 2016-04-22 | 2016-08-24 | 上海工程技术大学 | Tilt sensor circuit for foundation pit inclinometer system |
| CN109708812A (en) * | 2019-01-21 | 2019-05-03 | 贵州大学 | A kind of signal output conversion device for dynamic platform monitoring |
-
2013
- 2013-10-14 CN CN201320632648.1U patent/CN203550947U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890574A (en) * | 2016-04-22 | 2016-08-24 | 上海工程技术大学 | Tilt sensor circuit for foundation pit inclinometer system |
| CN109708812A (en) * | 2019-01-21 | 2019-05-03 | 贵州大学 | A kind of signal output conversion device for dynamic platform monitoring |
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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: NINGBO ANXIN CNC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NINGBO HAIMAIKE NUMERICAL CONTROL TECHNOLOGY CO., LTD. Effective date: 20140507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140507 Address after: Small Jia District of Beilun River Road 315801 Zhejiang city of Ningbo province (No. 518 Ningbo Haitian drive Co. Ltd.) Patentee after: Ningbo Anxin CNC Technology Co., Ltd. Address before: Small Jia District of Beilun River Road 315801 Zhejiang city of Ningbo province (No. 518 Ningbo Haitian drive Co. Ltd.) Patentee before: Sea, Ningbo steps grams control techniques company limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20171014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |