CN110441042A - A kind of HEPS-TF high-precision bracket coupling mechanism force calibration system and method - Google Patents
A kind of HEPS-TF high-precision bracket coupling mechanism force calibration system and method Download PDFInfo
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- CN110441042A CN110441042A CN201910741230.6A CN201910741230A CN110441042A CN 110441042 A CN110441042 A CN 110441042A CN 201910741230 A CN201910741230 A CN 201910741230A CN 110441042 A CN110441042 A CN 110441042A
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- motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The present invention relates to a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system and methods, belong to retaining mechanism collimation technique field, solve the problems, such as that retaining mechanism output pressing force can not directly be monitored and controlled in the prior art.The system includes: controller, for control the opening of brshless DC motor, stop and it is positive, reversely rotate；Brshless DC motor is connect by lead screw with wedge block, and wedge block is driven to move or move backward along the direction forward direction for being parallel to lead screw；The pressure sensor being fixed at the mobile position of wedge block forward direction, the mobile pressing force generated of measurement wedge block；Tension measuring circuit, the operating voltage of real-time measurement brshless DC motor；Processor obtains the corresponding relationship of brshless DC motor operating voltage and pressing force according to the pressing force and operating voltage that measure, to be calibrated using corresponding relationship to HEPS-TF high-precision bracket coupling mechanism force.The high-precision calibration to HEPS-TF bracket coupling mechanism force is realized, and entire bracket can be automatically controlled and be adjusted.
Description
Technical field
The present invention relates to retaining mechanism collimation technique field more particularly to a kind of HEPS-TF high-precision bracket coupling mechanism force schools
Barebone and method.
Background technique
High energy synchrotron radiation light source verifies the high-precision in device (HEPS-TF) and adjusts bracket, is to be used to support, accurate adjust
Whole and positioning quadrupole electromagnet, the various magnet such as six pole magnet equipment, the equipment is to processing and Adjustment precision and stability
It is required that it is very high, it is one of key equipment and technology that HEPS-TF emphasis is captured.
Design uses retaining mechanism between the bracket of high-precision bracket adjustment system and the side wall of pedestal in the prior art,
It can satisfy the requirement of device whole connection rigidity and intrinsic frequency, and can not determine the compression of retaining mechanism reality output
Power.But in HEPS-TF high-precision bracket adjustment system, bracket two sides use 8 cover locking mechanisms for increasing rack body altogether
Connection rigidity between pedestal, and the work for needing just to be locked after the on-line tuning of bracket.Therefore, for
The control of retaining mechanism should guarantee after locking that final whole system intrinsic frequency touches the mark requirements, and guarantee was locked again
The pressing force that any mechanism exports in 8 sets of mechanisms in journey cannot be excessive or too small compared with the pressing force of other mechanisms, and each
The process of mechanism locking keeps synchronizing.This requires the pressing forces exported to each retaining mechanism to be monitored and control.
Since rack body needs to be adjusted online, pressure can not be fixedly mounted between retaining mechanism and rack body
Force snesor, therefore the monitoring and control of retaining mechanism output pressing force can not be directly realized by.
Summary of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system and side
Method, to solve the problems, such as that the pressing force of high-precision bracket control system retaining mechanism calibrates calibration.
On the one hand, the present invention provides a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system, which includes:
Controller, for control the opening of brshless DC motor, stop and it is positive, reversely rotate；
Brshless DC motor is connect by lead screw with wedge block, for driving wedge block edge being parallel to the direction of lead screw just
To mobile or reverse movement；
The pressure sensor being fixed at the mobile position of wedge block forward direction, for measuring the mobile compression generated of wedge block
Power；
Tension measuring circuit, the operating voltage for real-time measurement brshless DC motor；
Processor, for obtaining brshless DC motor operating voltage and pressing force according to the pressing force and operating voltage that measure
Corresponding relationship, to be calibrated using this corresponding relationship to HEPS-TF high-precision bracket coupling mechanism force.
It further, further include limit switch, the limit switch includes rotating forward limit switch and reversion limit switch, point
It is not fixed at the home of the wedge block forward direction movement and reverse movement, is moved for limiting the wedge block forward security
Dynamic distance and reversed safety moving distance.
Further, further include forward-reverse switch, the controller by control forward-reverse switch control the direct current without
Brush motor rotating in the forward direction or reversely rotating；
The controller includes digital quantity input module, for acquiring the forward-reverse switch signal:
When the forward-reverse switch is in rotating forward state, the collected forward-reverse switch letter of digital quantity input module
Number be " on "；When the forward-reverse switch is in inverted status, the collected forward-reverse switch of digital quantity input module
Signal is " off ".
Further, the digital quantity input module is also used to acquire limit switch signal, the limit switch signal packet
It includes and rotates forward limit switch signal and reversion limit switch signal, specifically:
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, and the digital quantity is defeated
Entering the collected limit switch signal of module is " 0 "；When the brshless DC motor drives wedge block to be moved at home
When, limit switch contact closure, the collected limit switch signal of digital quantity input module is " 1 ".
Further, the controller further includes digital output module, for being adopted according to the digital quantity input module
The forward-reverse switch signal and limit switch signal collected control the opening of the brshless DC motor, stop and it is positive, reversely rotate,
Specifically:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", the digital output module control
Enabled switch starts brshless DC motor, and brshless DC motor rotates in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", the digital output module control
Enabled switch stops brshless DC motor；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", the digital output module control
The enabled switch of system starts brshless DC motor, and brshless DC motor reversely rotates；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", the digital output module control
The enabled switch of system stops brshless DC motor.
Further, the controller further includes analog output module, Analog input mModule and serial communication modular；
The Analog input mModule, the work of the brshless DC motor for acquiring the tension measuring circuit real-time measurement
Make voltage；
The serial communication modular, the compression force data measured for acquiring the pressure sensor in real time；
The analog output module, for the starting voltage of brshless DC motor to be arranged.
According to the above technical scheme, beneficial effects of the present invention are as follows:
1, by the way that the system determines the corresponding relationships of the operating voltage of brshless DC motor and pressing force, and according to correspondence
Relationship calibrates HEPS-TF high-precision bracket coupling mechanism force by adjusting operating voltage.It can be locked jointly in 8 cover locking mechanisms
Under tight effect, in the case where guaranteeing that bracket reaches intrinsic frequency requirement, the automatic control and adjustment to entire bracket are realized.
2, it in HEPS-TF high-precision bracket adjustment system, formally needs when installation using more cover locking mechanisms.Due to adding
The error that tooling is generated with during, the consistency that will lead to every set mechanism output pressing force are poor.Using this set calibration system,
Calibration calibration can be carried out to all retaining mechanisms of production, therefrom select the relatively high retaining mechanism of consistency and carry out formally
Installation, to improve calibration accuracy.
On the other hand, the present invention provides a kind of HEPS-TF high-precision bracket coupling mechanism force calibration methods, including following step
It is rapid:
The fixation pressure sensor at the mobile position of wedge block forward direction；
In the brshless DC motor course of work, the operating voltage of brshless DC motor described in real-time measurement and work electricity
Depress brshless DC motor and drive the mobile pressing force generated of wedge block, with obtain the operating voltage of the brshless DC motor with
The corresponding relationship of the pressing force；
When carrying out the adjustment of HEPS-TF high-precision bracket, according to the corresponding relationship, by brushless straight described in real-time monitoring
The operating voltage of galvanic electricity machine adjusts the coupling mechanism force of each retaining mechanism.
Further, the brshless DC motor is connect with the wedge block by lead screw, by being fixed on the wedge shape
Pressure sensor at the mobile position of block forward direction measures the mobile pressing force generated of the wedge block.
It further, further include parameter initialization setting before brshless DC motor work；
It further include the start stop signal for obtaining DC brushless motor, positive and negative rotation in the brshless DC motor course of work
Switching signal and limit switch signal；
According to the start stop signal, forward-reverse switch signal and limit switch signal, brshless DC motor starting is controlled, and
It rotates in the forward direction or reversely rotates, or control brshless DC motor stops.
Further, when the state of rotating forward, the forward-reverse switch signal is " on ", described positive and negative when inverted status
Turning on OFF signal is " off "；
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, the limit switch
Signal is " 0 ", when the brshless DC motor drives wedge block to be moved at home, limit switch contact closure, and institute
Stating the collected limit switch signal of digital quantity input module is " 1 "；
It is described according to the start stop signal, forward-reverse switch signal and limit switch signal, control brshless DC motor and open
It is dynamic, and rotate in the forward direction or reversely rotate, or control brshless DC motor stops, comprising:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", controlling enabled switch makes brushless direct-current
Electric motor starting, brshless DC motor rotate in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", controlling enabled switch makes brushless direct-current
Motor stops；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", the enabled switch of control makes brushless straight
Electric motor starting is flowed, brshless DC motor reversely rotates；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", the enabled switch of control makes brushless straight
Galvanic electricity machine stops.
Due to the HEPS-TF high-precision bracket coupling mechanism force calibration method and above-mentioned HEPS-TF high-precision bracket in the present invention
Coupling mechanism force calibration system principle is identical, and institute also has technical effect corresponding with above system in this way.
Other features and advantages of the present invention will illustrate in the following description, also, certain advantages can be from specification
In become apparent, or understand through the implementation of the invention.The objectives and other advantages of the invention can by specification with
And it is achieved and obtained in specifically noted content in attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is retaining mechanism pressing force calibration system schematic diagram；
Fig. 2 is that retaining mechanism compresses force calibration method flow chart.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention, it is not intended to limit the scope of the present invention.
High energy synchrotron radiation light source verifying device (HEPS-TF) in high-precision bracket adjustment system mainly include pedestal,
Several parts such as rack body, cam moving mechanism, retaining mechanism, control system.Cam moving mechanism is respectively mounted with retaining mechanism
On the base, cam moving mechanism provides for rack body supports and is cooperated by cam and Universal caster, in remotely control journey
On-line tuning is realized under the driving of sequence.In accelerator operation, in order to increase the stability of line, it is desirable that rack body have compared with
High stability can avoid the interference of the factors such as ground vibration.Therefore, design uses lock between bracket and the side wall of pedestal
Tight mechanism provides suitable pressing force to rack body in normal direction, to reach requirement of the accelerator to bracket intrinsic frequency.This
Outside, bracket two sides use 8 cover locking mechanisms for increasing the rigidity of the connection between rack body and pedestal altogether, also, in bracket
On-line tuning after the work to be locked.
Rack body needs to be adjusted online, however due to nothing between the wedge block and rack body of retaining mechanism
Pressure sensor is fixedly mounted in method, so that the coupling mechanism force of each retaining mechanism can not be directly obtained.
System embodiment
A specific embodiment of the invention discloses a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system, such as schemes
Shown in 1, which includes:
Controller, for control the opening of brshless DC motor, stop and it is positive, reversely rotate；
Brshless DC motor is connect by lead screw with wedge block, for driving wedge block edge being parallel to the direction of lead screw just
To mobile or reverse movement；
The pressure sensor being fixed at the mobile position of wedge block forward direction, for measuring the mobile compression generated of wedge block
Power；
Tension measuring circuit, the operating voltage for real-time measurement brshless DC motor；
Processor, for obtaining brshless DC motor operating voltage and pressing force according to the pressing force and operating voltage that measure
Corresponding relationship, to be calibrated using this corresponding relationship to HEPS-TF high-precision bracket coupling mechanism force.
Above-mentioned processor may be provided in control computer, and control computer is connect by communication bus with controller, control
Device processed receives the control instruction signal that control computer issues and executes corresponding operation, and receives the acquisition sent by controller
The operating voltage of the pressing force and brshless DC motor that arrive.
It is considered that directly can be controlled and be measured only has locking machine in entire high-precision bracket control system
The operating voltage signal of the brshless DC motor used is designed in structure, therefore, utilizes the calibration system of retaining mechanism output pressing force
Relationship between the pressing force and brshless DC motor operating voltage signal that determine retaining mechanism output of uniting utilizes above-mentioned corresponding pass
System controls retaining mechanism, to guarantee after locking that final whole system intrinsic frequency touches the mark requirement, and locks
The pressing force that any mechanism exports in 8 sets of mechanisms in journey is same or similar with the pressing force size of other mechanisms, makes each locking machine
The process of structure locking keeps synchronizing.
In order to guarantee that wedge block moves in maximum movable safe distance, which is additionally provided with limit switch, described
Limit switch includes rotating forward limit switch and reversion limit switch, is individually fixed in the wedge block forward direction movement and reverse movement
Home at, for limiting the wedge block forward security moving distance and reversed safety moving distance.
In calibration system, in order to realize the function of increasing pressing force or reduce pressing force, which is additionally provided with positive and negative
Pass is turned on, the controller controls rotating in the forward direction or reversely rotating for the DC brushless motor by controlling forward-reverse switch；
And it rotates in the forward direction to increase the direction of pressing force, reversely rotates to reduce the direction of pressing force.
The controller includes digital quantity input module, for acquiring the forward-reverse switch signal:
When the forward-reverse switch is in rotating forward state, the collected forward-reverse switch letter of digital quantity input module
Number be " on "；When the forward-reverse switch is in inverted status, the collected forward-reverse switch of digital quantity input module
Signal is " off ".
Specifically, the digital quantity input module, is also used to acquire limit switch signal, the limit switch signal includes
Limit switch signal and reversion limit switch signal are rotated forward, specifically:
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, and the digital quantity is defeated
Entering the collected limit switch signal of module is " 0 "；When the brshless DC motor drives wedge block to be moved at home
When, limit switch contact closure, the collected limit switch signal of digital quantity input module is " 1 ".
Preferably, the controller further includes digital output module, for being acquired according to the digital quantity input module
To forward-reverse switch signal and limit switch signal control the opening of the brshless DC motor, stop and it is positive, reversely rotate, tool
Body are as follows:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", the digital output module control
Enabled switch starts brshless DC motor, and brshless DC motor rotates in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", the digital output module control
Enabled switch stops brshless DC motor；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", the digital output module control
The enabled switch of system starts brshless DC motor, and brshless DC motor reversely rotates；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", the digital output module control
The enabled switch of system stops brshless DC motor.
Optionally, enabling switch and forward-reverse switch can be realized by relay switch.Since high-precision bracket adjusts system
Including 8 cover locking mechanisms, therefore, the input/output module including multiple channels is may be selected in controller, and such as 8 channel number word amounts export
Module controls 8 relay switches for exporting 8 switching signals respectively.Control for enabled switch and forward-reverse switch
System can be completed by the digital output module in 8 channels, to realize the independent control to enabled switch and positive and negative dress switch.
In order to measure corresponding relationship of the operating voltage of brshless DC motor between the pressing force of output, the controller
It further include analog output module, Analog input mModule and serial communication modular；
The Analog input mModule, the work of the brshless DC motor for acquiring the tension measuring circuit real-time measurement
Make voltage；Preferably, tension measuring circuit selects I/V conversion circuit to be connected in the power supply circuit of brshless DC motor；
The serial communication modular, the compression force data measured for acquiring the pressure sensor in real time；
The analog output module, for the starting voltage of brshless DC motor to be arranged.
Specifically, the starting voltage that direct current generator works normally has certain range, it is brushless straight as used in this system
The normal range of operation of galvanic electricity machine is 3V-24V, will be unable to move less than 3V motor, and being greater than 24V may burning apparatus；
Voltage value can be directly set by analog output module, change voltage setting when electric motor starting, with measurement
The corresponding relationship of brshless DC motor operating voltage and output pressing force in multiple starting voltage ranges, such as 3V-12V, 5V-8V,
8V-12V etc..The data of operating voltage are not sufficiently stable when brshless DC motor works, can be with by measuring several operation intervals more
Guarantee that corresponding relationship is more accurate, realizes more accurate calibration.
After the real-time collecting work voltage data of Analog input mModule, the compression force data pair that is acquired in real time with serial port module
It answers, is calibrated.
HEPS-TF high-precision bracket coupling mechanism force calibration system in the embodiment of the present invention, on the one hand, brushless direct-current has been determined
The corresponding relationship of the operating voltage of motor and output pressing force, and according to corresponding relationship by adjusting operating voltage to HEPS-TF
High-precision bracket coupling mechanism force is calibrated.It can guarantee that bracket reaches intrinsic frequency under 8 cover locking mechanisms jointly locking effect
In the case where it is required that, the automatic control and adjustment to entire bracket are realized.On the other hand, it is adjusted in HEPS-TF high-precision bracket
In system, formally need when installation using more cover locking mechanisms.Due to the error generated during process and assemble, every set will lead to
The consistency that mechanism exports pressing force is poor.Using this set calibration system, all retaining mechanisms of production can be calibrated
Calibration, therefrom selects the relatively high retaining mechanism of consistency and is formally installed, to improve calibration accuracy.
Embodiment of the method
A specific embodiment of the invention discloses a kind of HEPS-TF high-precision bracket coupling mechanism force calibration method, such as schemes
Shown in 2, method includes the following steps:
The fixation pressure sensor at the mobile position of wedge block forward direction；
In the brshless DC motor course of work, the operating voltage of brshless DC motor described in real-time measurement and work electricity
Depress brshless DC motor and drive the mobile pressing force generated of wedge block, with obtain the operating voltage of the brshless DC motor with
The corresponding relationship of the pressing force；
When carrying out the adjustment of HEPS-TF high-precision bracket, according to the corresponding relationship, by brushless straight described in real-time monitoring
The operating voltage of galvanic electricity machine adjusts the coupling mechanism force of each retaining mechanism.
The above method may include the stage of the offline operating voltage for determining brshless DC motor and pressing force relationship, and online
Adjust the stage of coupling mechanism force.
Preferably, the brshless DC motor is connect with the wedge block by lead screw, by being fixed on the wedge block
Pressure sensor at the mobile position of forward direction measures the mobile pressing force generated of the wedge block.
Specifically, further including parameter initialization setting before brshless DC motor work；The parameter setting of default are as follows:
Enabled to switch corresponding channel as " off ", i.e. brshless DC motor is forbidden moving；Forward-reverse switch corresponding channel is " on ", is opened
After dynamic, brshless DC motor can be rotated in the forward direction；Starting voltage is set as " 3v "；And when reading initial limit switch state, pressure
The data of force snesor and operating voltage.Consider for protection equipment, need first to switch and judge forward-reverse switch, then judgement limit
Bit switch state can just export enabled switching signal when not up to limiting, and connect enabled switch, start motor movement.
It further include the start stop signal for obtaining DC brushless motor, positive and negative rotation in the brshless DC motor course of work
Switching signal and limit switch signal；
According to the start stop signal, forward-reverse switch signal and limit switch signal, brshless DC motor starting is controlled, and
It rotates in the forward direction or reversely rotates, or control brshless DC motor stops.
Specifically, the forward-reverse switch signal is " on " when the state of rotating forward, and when inverted status, the positive and negative rotation
Switching signal is " off "；
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, the limit switch
Signal is " 0 ", when the brshless DC motor drives wedge block to be moved at home, limit switch contact closure, and institute
Stating the collected limit switch signal of digital quantity input module is " 1 "；
It is described according to the start stop signal, forward-reverse switch signal and limit switch signal, control brshless DC motor and open
It is dynamic, and rotate in the forward direction or reversely rotate, or control brshless DC motor stops, comprising:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", controlling enabled switch makes brushless direct-current
Electric motor starting, brshless DC motor rotate in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", controlling enabled switch makes brushless direct-current
Motor stops；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", the enabled switch of control makes brushless straight
Electric motor starting is flowed, brshless DC motor reversely rotates；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", the enabled switch of control makes brushless straight
Galvanic electricity machine stops.
HEPS-TF high-precision bracket coupling mechanism force calibration method in the embodiment of the present invention, on the one hand, brushless direct-current has been determined
The corresponding relationship of the operating voltage of motor and output pressing force, with according to corresponding relationship by adjusting operating voltage to HEPS-TF
High-precision bracket coupling mechanism force is calibrated.It can guarantee that bracket reaches intrinsic frequency under 8 cover locking mechanisms jointly locking effect
In the case where it is required that, the automatic control and adjustment to entire bracket are realized.On the other hand, it is adjusted in HEPS-TF high-precision bracket
In system, formally need when installation using more cover locking mechanisms.Due to the error generated during process and assemble, every set will lead to
The consistency that mechanism exports pressing force is poor.Using this method, calibration calibration can be carried out to all retaining mechanisms of production, from
In select the relatively high retaining mechanism of consistency and formally installed, to improve calibration accuracy.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system characterized by comprising
Controller, for control the opening of the brshless DC motor, stop and it is positive, reversely rotate；
Brshless DC motor is connect by lead screw with wedge block, for driving the wedge block along the side for being parallel to the lead screw
To forward direction movement or reverse movement；
The pressure sensor being fixed at the mobile position of the wedge block forward direction, for measuring the mobile generation of the wedge block
Pressing force；
Tension measuring circuit, the operating voltage for brshless DC motor described in real-time measurement；
Processor, for obtaining the brshless DC motor operating voltage according to the pressing force and the operating voltage that measure
With the corresponding relationship of pressing force, to be calibrated using the corresponding relationship to the HEPS-TF high-precision bracket coupling mechanism force.
2. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system according to claim 1, which is characterized in that also wrap
Limit switch is included, the limit switch includes rotating forward limit switch and reversion limit switch, is being individually fixed in the wedge block just
To at mobile and reverse movement home, for limiting the wedge block forward security moving distance and reversed safety moving
Distance.
3. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system according to claim 2, which is characterized in that also wrap
Include forward-reverse switch, the controller controls rotating in the forward direction or reversely for the DC brushless motor by controlling forward-reverse switch
Rotation；
The controller includes digital quantity input module, for acquiring the forward-reverse switch signal:
When the forward-reverse switch is in rotating forward state, the collected forward-reverse switch signal of digital quantity input module is
"on"；When the forward-reverse switch is in inverted status, the collected forward-reverse switch signal of digital quantity input module
For " off ".
4. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration system according to claim 3, which is characterized in that described
Digital quantity input module, is also used to acquire limit switch signal, the limit switch signal include rotate forward limit switch signal and
Limit switch signal is inverted, specifically:
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, and the digital quantity inputs mould
The collected limit switch signal of block is " 0 "；When the brshless DC motor drives wedge block to be moved at home, limit
Bit switch contact closure, the collected limit switch signal of digital quantity input module are " 1 ".
5. a kind of HEPS-TF high-precision bearing pressure calibration system according to claim 4, which is characterized in that the controller
It further include digital output module, for being opened according to the collected forward-reverse switch signal of the digital quantity input module and limit
OFF signal controls the opening of the brshless DC motor, stop and it is positive, reversely rotate, specifically:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", the digital output module control is enabled
Switch starts brshless DC motor, and brshless DC motor rotates in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", the digital output module control is enabled
Switch stops brshless DC motor；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", the digital output module control makes
Can switch starts brshless DC motor, and brshless DC motor reversely rotates；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", the digital output module control makes
Can switch stops brshless DC motor.
6. a kind of HEPS-TF high-precision bearing pressure calibration system according to claim 5, which is characterized in that the controller
It further include analog output module, Analog input mModule and serial communication modular；
The Analog input mModule, the work electricity of the brshless DC motor for acquiring the tension measuring circuit real-time measurement
Pressure；
The serial communication modular, the compression force data measured for acquiring the pressure sensor in real time；
The analog output module, for the starting voltage of brshless DC motor to be arranged.
7. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration method, which comprises the following steps:
The fixation pressure sensor at the mobile position of wedge block forward direction；
In the brshless DC motor course of work, under the operating voltage of brshless DC motor described in real-time measurement and the operating voltage
Brshless DC motor drives the mobile pressing force generated of wedge block, with obtain the operating voltage of the brshless DC motor with it is described
The corresponding relationship of pressing force；
When carrying out the adjustment of HEPS-TF high-precision bracket, according to the corresponding relationship, pass through brushless dc described in real-time monitoring
The operating voltage of machine adjusts the coupling mechanism force of each retaining mechanism.
8. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration method according to claim 7, which is characterized in that described
Brshless DC motor is connect with the wedge block by lead screw, and the pressure being fixed at the mobile position of the wedge block forward direction is passed through
Force snesor measures the mobile pressing force generated of the wedge block.
9. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration method according to claim 8, which is characterized in that in institute
Stating before brshless DC motor works further includes parameter initialization setting；
It further include start stop signal, the forward-reverse switch for obtaining DC brushless motor in the brshless DC motor course of work
Signal and limit switch signal；
According to the start stop signal, forward-reverse switch signal and limit switch signal, brshless DC motor starting is controlled, and positive
Rotation reversely rotates, or control brshless DC motor stops.
10. a kind of HEPS-TF high-precision bracket coupling mechanism force calibration method according to claim 9, which is characterized in that
When the state of rotating forward, the forward-reverse switch signal is " on ", and when inverted status, the forward-reverse switch signal is
"off"；
When the brshless DC motor drives wedge block normal movement, limit switch contact is normally opened, the limit switch signal
For " 0 ", when the brshless DC motor drives wedge block to be moved at home, limit switch contact is closed, the number
The collected limit switch signal of word amount input module is " 1 "；
It is described that brshless DC motor starting is controlled according to the start stop signal, forward-reverse switch signal and limit switch signal, and
It rotates in the forward direction or reversely rotates, or control brshless DC motor stops, comprising:
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 0 ", controlling enabled switch makes brshless DC motor
Starting, brshless DC motor rotate in the forward direction；
When forward-reverse switch signal is " on ", and rotating forward limit switch signal is " 1 ", controlling enabled switch makes brshless DC motor
Stop；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 0 ", controlling enabled switch makes brushless dc
Machine starting, brshless DC motor reversely rotate；
When forward-reverse switch signal is " off ", and reversion limit switch signal is " 1 ", controlling enabled switch makes brushless dc
Machine stops.
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