CN101295185A - Processor temperature detecting and compensating device - Google Patents
Processor temperature detecting and compensating device Download PDFInfo
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- CN101295185A CN101295185A CNA2007100980870A CN200710098087A CN101295185A CN 101295185 A CN101295185 A CN 101295185A CN A2007100980870 A CNA2007100980870 A CN A2007100980870A CN 200710098087 A CN200710098087 A CN 200710098087A CN 101295185 A CN101295185 A CN 101295185A
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Abstract
The invention discloses a temperature measurement and a compensation device, comprising a micro-processor which is electrically connected with a temperature processing unit, wherein, the temperature processing unit is matched with a temperature detection element and used for gaining the thermal deformation temperature of a processing machine; a memory unit which is internally provided with a temperature compensation model and electrically connected with the micro-processor; a compensation data exchange unit which is connected with the micro-processor and the controller of the processing machine. After obtaining the signal output by the temperature processing unit and the temperature compensation model, the micro-processor calculates and generates a thermal compensation value and transmits the thermal compensation value to the controller of the processing machine by the compensation data exchange unit; the thermal deformation compensation at specific position is controlled by the controller so as to provide the precision for processing.
Description
Technical field
The present invention relates to a kind of temperature survey and compensation system, particularly connect and can obtain this processing machine heat distortion temperature and export the device that a thermal compensation value is given this processing machine controller with a processing machine.
Background technology
The use of comprehensive machine has fast and accurate characteristic, therefore can make the processing cost reduction and promote processing quality.Yet under running at a high speed, assembly that contacts with each other or mechanism can produce suitable heat and cause thermal deformation or displacement, and particularly main shaft or feed system thus, just can make machining precision reduce.
Traditional thermal distortion compensation mode is to add cooling device at the assembly that is easy to generate high temperature or position to be cooled off.Yet,, make that cooling device is not suitable for being installed on the main shaft, so traditional type of cooling can not reduce the heat distortion amount of main shaft machining center point because the process main shaft needs high-speed rotation for the main shaft of processing machine.
Revising machining precision by the heat distortion amount of understanding ad-hoc location is present known a kind of mode.This kind heat distortion amount correcting mode is to organize temperature and deflection parameter at the controller inner setting of processing machine more, after the heat distortion temperature that obtains ad-hoc location, can directly go according to the pairing deflection parameter of this temperature and revise Working position and precision; In other words, aforementioned manner is a kind of correcting mode of direct comparison formula.Yet heteroid processing machine with the corresponding fixed deformation amount of fixed temperature, obviously can't be suitable for all processing machines for the deflection difference that uniform temp produced.And, then only get the thermal distortion correction parameter of an approaching set temperature value deflection corresponding as this processing machine with it if heat distortion temperature that processing machine produced is not defined or sets, so limited for the machining precision help that improves processing machine.
Another kind of heat distortion amount correcting mode is to write an amendment type in the controller of processing machine.When obtaining the heat distortion temperature of processing machine ad-hoc location by suitable mode and transferring to the amendment type of this controller, then this amendment type just can calculate suitable correction, further control processing machine again and when processing is carried out, revise Working position and processing capacity, improve machining precision in view of the above, for example patent announcement M290082 in Taiwan promptly provides the thermal compensation system of this mode.
This patent case has disclosed utilizes a temperature card to obtain the temperature signal that a temperature-sensitive sticker is detected, and forms a correct Temperature Datum after filtering out other noises.This Temperature Datum is sent to the controller of processing machine, and utilize formula and this Temperature Datum of having stored in the controller that computerese (program storage unit (PSU) and FPGA (Field Programmable Gate Array) control module) is write that pass through, promptly calculate suitable correction, and then carry out the correction of machining precision.In other words, the effect of temperature card is to receive the temperature signal of processing machine and produces correct Temperature Datum, the thermal compensation formula that controller inside is set up then the amount of compensating calculating and assign revision directive.Yet, because the set formula of the controller inside that this thermal compensation formula is not a processing machine, but need the user to write especially, therefore very inconvenient in the operation.
Summary of the invention
In order to solve the disclosed comparison formula of prior art thermal compensation mode the processing machine difficulty had accurate thermal compensation effect; And the shortcoming of the inconvenient operation that the mode that the user utilizes the controller of processing machine to write the thermal compensation formula voluntarily exists the purpose of this invention is to provide processor temperature detecting a kind of innovation, easy to use and compensation system.This temperature survey and compensation system can receive the heat distortion temperature signal from processing machine, utilize this heat distortion temperature to cooperate a built-in model of temperature compensation to calculate the thermal distortion compensation amount, then the thermal distortion compensation amount is sent to the controller of processing machine, assign revision directive by controller and finish the compensation purpose.
Another object of the present invention provides a kind of processor temperature detecting and compensation system with built-in model of temperature compensation and operational formula.During use, need not to write voluntarily again operational formula, make operation more easy; Each model of temperature compensation is all only at a specific model processing machine, so can make the thermal compensation effect more accurate in addition.
Another purpose of the present invention provides a kind of processor temperature detecting and compensation system, this device has the function that links with external computer, can carry out more new settings from the model of temperature compensation that external computer is downloaded treated mistake in advance, make the more realistic demand of use of this device.
For achieving the above object, the present invention is by the following technical solutions: a kind of processor temperature detecting and compensation system, this temperature survey and compensation system connect at least one to obtain the temperature detecting element of processing machine heat distortion temperature, and can connect an external computer to download data, and the controller that connects this processing machine, it is characterized in that: this temperature survey and compensation system comprise:
One has calculation function in order to calculate the microprocessor that produces temperature compensation value;
One Temperature Treatment unit links to each other with described microprocessor, in order to the heat distortion temperature signal of reception from the temperature detecting element, and with temperature signal amplification and execution conversion of signals;
One storage unit links to each other with described microprocessor;
One model of temperature compensation, but access be established in described storage unit;
One compensation information crosspoint links to each other with described microprocessor and controller;
One communication unit links to each other with described microprocessor and external computer, carries out the data transmission between microprocessor and external computer.
Obtain the signal of Temperature Treatment unit output when microprocessor, and obtain this model of temperature compensation in the storage unit, produce a thermal change position offset by calculating, by the compensation information crosspoint this thermal change position offset is sent to the processing machine controller, assign the thermal compensation instruction by controller, carry out the thermal change position compensation of processing machine, can reach several specific axis of compensation to thermal deformation, to improve the purpose of machining accuracy.
Advantage of the present invention: have accurate thermal compensation effect, control is simple, the practicality height.
Description of drawings
Fig. 1 is installed in configuration schematic diagram on the processing machine for the present invention;
Fig. 2 is the structural representation of constituent components of the present invention;
Fig. 3 A carries out the control flow calcspar of temperature compensation for the present invention;
Another carries out the control flow calcspar of temperature compensation to Fig. 3 B for the present invention;
The steps flow chart calcspar that Fig. 4 sets for the present invention.
Embodiment
See also Fig. 1, temperature survey disclosed by the invention and compensation system 10 are equipped on the processing machine 20, and temperature survey and compensation system 10 at least one temperature detecting element 22 of connection and controllers 24.Wherein temperature detecting element 22 is configured in main shaft or processing machine board surface, but non-as limit, and every position that influences machining precision because of thermal deformation all can dispose temperature detecting element 22 and connect temperature survey and compensation system 10.
See also Fig. 2, the composition of temperature survey and compensation system 10 comprises a microprocessor 32, and it has received signal and calculation function.Wherein calculation function comprises the specific operational formula of execution and produces particular result.
One Temperature Treatment unit 34 links to each other with microprocessor 32 by circuit or signal wire, also links to each other with temperature detecting element 22 by circuit or signal wire simultaneously.
One storage unit 36 has the memory cell of access facility and links to each other with microprocessor 32 by circuit or signal wire.It should be noted that at least one group of model of temperature compensation 38 is established in this storage unit 36.Model of temperature compensation 38 is a coefficient that temperature and compensation rate constituted or several right.Aforesaid model of temperature compensation 38 can be transmitted/obtain to microprocessor 32 and add in the operational formula.
One compensation information crosspoint 42, it links to each other with microprocessor 32 and controller 24 by circuit or signal wire.
One display element 46 links to each other with microprocessor 32 by circuit or signal wire.
One communication unit 48 links to each other with microprocessor 32 by circuit or signal wire.Communication unit 48 can be the RS232 interface, or USB interface, or the parallel port, or other have the interface that can transmit data equally.Because communication unit 48 has the function of transmission data, so communication unit 48 can connect an external computer 60, the offset that this processor calculating is produced is sent to this external computer, and/or this model of temperature compensation of this external computer inside is sent to this microprocessor.
At least one operating unit 52 links to each other with microprocessor 32 by circuit, in order to the displaying contents of control or switching display element 46.
See also shown in Fig. 3 A, the present invention realizes that the method for temperature survey and compensation is: after obtaining heat distortion temperature by temperature detecting element 22, send temperature signal to Temperature Treatment unit 34, the Temperature Treatment unit 34 of this moment can utilize amplifier that signal is amplified earlier and carry out conversion of signals.Then the heat distortion temperature signal is sent to microprocessor 32 and builds the model of temperature compensation 38 of putting in storage unit 36 and also is acquired to microprocessor 32.Microprocessor 32 utilizes model of temperature compensation 38 and heat distortion temperature signal to cooperate operational formula to calculate the thermal compensation value.The thermal compensation value sends controller 24 to by compensation information crosspoint 42, then controller 24 is assigned compensating instruction according to the thermal compensation value to main shaft or servomechanism, when for example processing is carried out, add the thermal compensation value on the three-dimensional of processing machine, get final product revisal each axially produces the side-play amount of displacement because of thermal deformation, so just, can make main shaft move to accurately Working position and carry out processing action accurately, improve the accuracy of processing.Can be shown in display element 46 and observe measuring temperature and/or heat distortion amount in addition to make things convenient for the user.
See also Fig. 3 B, another embodiment of the present invention is: by temperature detecting element 22 except can be in order to obtain the heat distortion temperature, more can cooperate suitable amplifier that this heat distortion temperature signal is amplified, and then amplifying signal has sent Temperature Treatment unit 34 to, and conversion of signals is carried out in the Temperature Treatment unit 34 of this moment.As for the effect of processor 32, compensation information crosspoint 42 all as hereinbefore.
Temperature survey and compensation system 10 all provide an at least one group of model of temperature compensation 38 and an operational formula to each type processing machine as can be known by the above, so the user need not to write voluntarily the temperature compensation formula, go up with regard to using, the present invention has easier effect.In addition, because operational formula cooperates model of temperature compensation 38 to calculate offset at different temperatures,, processing precise is more improved so compensation effect is accurate.
See also Fig. 2 and Fig. 4, comprise following steps about the setting of temperature survey and compensation system 10:
Step 1: the temperature and the thermal change bit data 72 that obtain processing machine.Temperature data and thermal change bit data can obtain by the detecting of sensor.
Step 2: set up model of temperature compensation 74.Aforesaid temperature data and thermal deformation data are formed a coefficient value by analyzing formula operation and conclusion, or logarithm value, or other can be used as the numerical value of parameter.Aforesaid analysis formula can be an outside formula, and the model of temperature compensation 62 that is calculated via this outside formula can be based upon an external computer 60.
Step 3: input temp compensation model 76.Give different model of temperature compensation 62 at the different type of machines processing machine.The input of model of temperature compensation 62 is by communication unit 48 and external computer 60 lines, makes model of temperature compensation 62 can download to storage unit 38 and stores standby.
So, each type processing machine all has exclusive model of temperature compensation, not only can accurately carry out the compensation of thermal change position man-hour so add, and more can improve machining precision.
The present invention more can have the function of output detection data in addition, it passes through communication unit 48 under necessity or certain conditions, offset that microprocessor 32 calculated and produced is measured temperature value and fault message, be sent to external computer 60 by communication unit 48 and observed or write down in order to tracking/analysis in the future and use.The above is preferred embodiment of the present invention and design concept only, is not to be used to limit interest field of the present invention, and is any based on the equivalent transformation on the technical solution of the present invention basis, all belongs within the protection domain of the present invention.
Claims (10)
1, a kind of processor temperature detecting and compensation system, this temperature survey and compensation system connect at least one to obtain the temperature detecting element of processing machine heat distortion temperature, and can connect an external computer to download data, and the controller that connects this processing machine, it is characterized in that: this temperature survey and compensation system comprise:
One has calculation function in order to calculate the microprocessor that produces temperature compensation value;
One Temperature Treatment unit links to each other with described microprocessor, in order to the heat distortion temperature signal of reception from the temperature detecting element, and with temperature signal amplification and execution conversion of signals;
One storage unit links to each other with described microprocessor;
One model of temperature compensation, but access be established in described storage unit;
One compensation information crosspoint links to each other with described microprocessor and controller;
One communication unit links to each other with described microprocessor and external computer, carries out the data transmission between microprocessor and external computer;
Wherein, microprocessor is obtained the signal of Temperature Treatment unit output, and obtain this interior model of temperature compensation of storage unit, and produce a thermal change position offset by calculating, by the compensation information crosspoint this thermal change position offset is sent to controller to carry out the thermal change position compensation of processing machine.
2, processor temperature detecting according to claim 1 and compensation system is characterized in that: described model of temperature compensation is the formed coefficient value of temperature and compensation rate.
3, processor temperature detecting according to claim 1 and compensation system is characterized in that: described model of temperature compensation is the several right of temperature and compensation rate institute shape.
4, processor temperature detecting according to claim 1 and compensation system is characterized in that: this processor temperature detecting and compensation system more comprise a display element, and this display element links to each other with microprocessor.
5, processor temperature detecting according to claim 1 and compensation system is characterized in that: this processor temperature detecting and compensation system more comprise an operating unit that links to each other with microprocessor.
6, a kind of processor temperature detecting and compensation system in order to obtaining the heat distortion temperature of a processing machine, and can connect an external computer downloading data, and the controller that connects processing machine, and it is characterized in that: this temperature survey and compensation system comprise:
One has calculation function in order to calculate the microprocessor that produces temperature compensation value;
At least one temperature detecting element is provided in the processing machine surface obtaining heat distortion temperature, and temperature signal can be amplified;
One Temperature Treatment unit links to each other with microprocessor, and comes from the heat distortion temperature signal of temperature detecting element in order to reception, and carries out conversion of signals;
One storage unit links to each other with microprocessor;
One model of temperature compensation, but access be established in storage unit;
One compensation information crosspoint links to each other with microprocessor and controller;
One communication unit links to each other with microprocessor and external computer, and carries out the data transmission between microprocessor and external computer;
Wherein, microprocessor is obtained the signal that the Temperature Treatment unit is exported, and this model of temperature compensation in the storage unit, produce a thermal change position offset by calculating, by the compensation information crosspoint this thermal change position offset is sent to controller to carry out the thermal change position compensation of this processing machine.
7, processor temperature detecting according to claim 6 and compensation system is characterized in that: described model of temperature compensation is the formed coefficient value of temperature and compensation rate.
8, processor temperature detecting according to claim 6 and compensation system is characterized in that: described model of temperature compensation is the several right of temperature and compensation rate institute shape.
9, processor temperature detecting according to claim 6 and compensation system is characterized in that: this processor temperature detecting and compensation system more comprise a display element, and this display element links to each other with microprocessor.
10, processor temperature detecting according to claim 6 and compensation system is characterized in that: this processor temperature detecting and compensation system more comprise an operating unit that links to each other with microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100980870A CN101295185A (en) | 2007-04-27 | 2007-04-27 | Processor temperature detecting and compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100980870A CN101295185A (en) | 2007-04-27 | 2007-04-27 | Processor temperature detecting and compensating device |
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| CN101295185A true CN101295185A (en) | 2008-10-29 |
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| CNA2007100980870A Pending CN101295185A (en) | 2007-04-27 | 2007-04-27 | Processor temperature detecting and compensating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620431B (en) * | 2009-06-22 | 2012-02-29 | 江俊逢 | Digital control method and system for carrying out real-time compensation for thermal deformation errors |
| CN105988416A (en) * | 2015-03-04 | 2016-10-05 | 台中精机厂股份有限公司 | Thermal deformation compensating and correcting system and method for CNC machine tool |
| CN108662633A (en) * | 2018-06-06 | 2018-10-16 | 深圳酷平方科技有限公司顺德分公司 | A kind of detection of intelligent temperature and control module |
-
2007
- 2007-04-27 CN CNA2007100980870A patent/CN101295185A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620431B (en) * | 2009-06-22 | 2012-02-29 | 江俊逢 | Digital control method and system for carrying out real-time compensation for thermal deformation errors |
| CN105988416A (en) * | 2015-03-04 | 2016-10-05 | 台中精机厂股份有限公司 | Thermal deformation compensating and correcting system and method for CNC machine tool |
| CN108662633A (en) * | 2018-06-06 | 2018-10-16 | 深圳酷平方科技有限公司顺德分公司 | A kind of detection of intelligent temperature and control module |
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Open date: 20081029 |