CN205301967U - Numerical control system - Google Patents
Numerical control system Download PDFInfo
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- CN205301967U CN205301967U CN201520999005.XU CN201520999005U CN205301967U CN 205301967 U CN205301967 U CN 205301967U CN 201520999005 U CN201520999005 U CN 201520999005U CN 205301967 U CN205301967 U CN 205301967U
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- 239000003990 capacitor Substances 0.000 description 4
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Abstract
The utility model provides a numerical control system, includes numerical control system treater and servo driver, the numerical control system treater includes control module, coupling mouth, control module is used for the control drive the servo driver and the control that has integrateed the required signal of servo driver, control module passes through the coupling mouth with servo driver connects. Numerical control system treater among the above -mentioned numerical control system includes control module, coupling mouth, control module control drive servo driver to having integrateed and having controlled the required signal of servo driver, control module passes through the coupling mouth only needs a multicore cable to be connected with servo driver, thus the set position of the set speed operation of control servo. Need not increase extra cable, the wiring brief introduction is pleasing to the eye, convenient operation for the wiring is changeed in standardization, standardized between coupling mouth and the servo driver.
Description
Technical field
The utility model relates to automation control area, particularly relates to digital control system.
Background technology
Be accompanied by the propelling of China's industry flexible automation, intellectuality, networking, Digit Control Machine Tool (ComputerNumericalcontrolmachinetools, CNC) complexity promotes further, and it is lengthy and jumbled that wiring is more and more tending towards.Herewith adapt, lathe complexity constantly increases, and needs the axis servomotor quantity controlling also increasing, digital control systemDimension volume is corresponding increase also, can take more regulator cubicle space.
In the servo digital control system of traditional analog amount control, the feedback encoding signal of servo-drive system, numerical control systemThe analog quantity output signals of system, servo failure alarm signal, servo enable signals etc. are all independent wiring respectively.Each function signal is separated independent wiring, and wire harness is scattered in a jumble, irrationality, and wiring easily makes mistakes. Or countingControl system one side separately goes between various signals separately, and wire harness is spuious, crisscross, gives electrical wiring personnelWiring operation brings inconvenience, wiring to be difficult to standardization, standardization.
Utility model content
Based on this, be necessary for separately separately lead-in wire of the various signals of digital control system one side, wire harness in a jumble scattered,Irrationality, brings the problem of inconvenience to electrical wiring personnel wiring operation, and a kind of digital control system is provided.
A kind of digital control system, comprises digital control system processor and servo-driver, described digital control system processorComprise control module, axial interface, described control module is used for controlling the described servo-driver of driving integratedControl the required signal of described servo-driver, described control module is by described axial interface and described servo drivingMoving device connects.
Therein in an embodiment, described control module is integrated controls the required letter of described servo-driverNumber, comprising:
Analog quantity output signals, described analog quantity output signals is by servo-drive described in described axial interface controlThe running speed of device;
Servo enable signal, described servo enable signal makes by servomechanism operation described in described axial interface controlCan;
Three-phase encoder feedback signal, described in by described axial interface, described three-phase encoder feedback signal being transferred toControl module;
Servo alarm signal, described control module gathers described servo alarm signal by described axial interface, andDescribed servo alarm signal is carried out to logical process;
Described analog quantity output signals, servo enable signal, three-phase encoder feedback signal and servo alarm signalAll configuration is integrated in described control module.
In an embodiment, described control module comprises analog quantity output signals circuit, described simulation thereinAmount output signal circuit comprises operational amplifier, common mode inductance, the first resistance, the first electric capacity, described firstResistance and the first Capacitance parallel connection, the first end of described the first electric capacity is connected with the input of described operational amplifier,The second end of described the first electric capacity is connected with the output of described operational amplifier, and described operational amplifier is through instituteStating common mode inductance is connected with described axial interface.
In an embodiment, described control module comprises Master control chip, for controlling servo-drive thereinDevice.
In an embodiment, described control module comprises servo enable signal circuit therein, described servo makingCan comprise NPN type Darlington transistor by signal circuit, the base stage of described NPN type Darlington transistor and the 4th resistance connectConnect, the base earth of described NPN type Darlington transistor, the emitter stage of described NPN type Darlington transistor with described inAxial interface connects.
In an embodiment, described control module comprises three-phase encoder feedback signal circuit, described three thereinPhase encoder feedback signal circuit comprises that the first differential conversion chip, the second differential conversion chip, the 3rd difference turnChange chip; Described the first differential conversion chip, the second differential conversion chip, the 3rd differential conversion chip defeatedEntering end is connected with described axial interface respectively; Described the first differential conversion chip, the second differential conversion chip,The output of three differential conversion chips is connected with described Master control chip.
In an embodiment, described three-phase encoder feedback signal circuit also comprises break detection circuit therein,Described break detection circuit comprises the 4th difference chip, the 5th difference chip and the first XOR conversion chip; InstituteThe input of stating the 4th difference chip, the 5th difference chip is connected with described axial interface, described the 4th difference coreThe output of sheet, the 5th difference chip is connected with the input of described the first XOR conversion chip respectively; DescribedThe output of the first XOR conversion chip is connected with described Master control chip.
In an embodiment, described control module comprises servo circuit therein, described servo reportAlert signal circuit comprises light-coupled isolation chip, the second resistance and the 3rd resistance; Described light-coupled isolation chip defeatedEnter end be connected with described axial interface through the second resistance, one end of described the 3rd resistance respectively with described the second resistance,The input of light-coupled isolation chip connects; The output of described light-coupled isolation chip and described Master control chip connectConnect.
In an embodiment, described digital control system processor also comprises industrial control mainboard and keyset therein; InstituteState industrial control mainboard for chipset, bus and the power supply of integrated described numerical control processor are installed; Described switchingPlate connects described industrial control mainboard and control module; Described industrial control mainboard comprises the x86 place that power is less than 100 wattsReason device, described x86 processor is of a size of 170 millimeters * 170 millimeters.
In an embodiment, described digital control system also comprises digital input-output interface plate, described number thereinThe integrated output relay of output, described output relay and the described control module of word input/output interface boardConnect.
Digital control system processor in above-mentioned digital control system comprises control module, axial interface, control module controlDrive servo-driver, and the integrated required signal of servo-driver of controlling, control module is passed through axial interfaceOnly need a multi-core cable to be connected with servo-driver, both located thereby control the set speed of servo-drive systemPut operation. Do not need to increase extra cable, wiring brief introduction is attractive in appearance, easy to operate, makes axial interface and watchesTake wiring between driver and be easier to standardization, standardization.
Brief description of the drawings
Fig. 1 is digital control system structural framing figure;
Fig. 2 is signal circuit schematic diagram in an embodiment;
Fig. 3 is signal circuit schematic diagram in an embodiment;
Fig. 4 is an embodiment interrupt line testing circuit schematic diagram;
Fig. 5 is the frame diagram of digital control system in an embodiment.
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is carried out more comprehensivelyDescription. In accompanying drawing, provide preferred embodiment of the present utility model. But the utility model can be to be permittedMany different forms realize, and are not limited to embodiment described herein. On the contrary, provide these enforcementThe object of example is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
Unless otherwise defined, all technology and the scientific terminology using herein and belong to of the present utility modelThe implication that those skilled in the art understand is conventionally identical. Institute in description of the present utility model hereinThe term using, just in order to describe the object of specific embodiment, is not intended to limit the utility model. ThisThe term "and/or" that uses of literary composition comprise one or more relevant Listed Items arbitrarily with all groupsClose.
As shown in Figure 1 be digital control system structural framing figure, in figure, digital control system comprises digital control system processor100 and servo-driver 200, digital control system processor 100 comprises control module 110, axial interface 120,Control module 110 drives servo-driver 200, control servo-drive that control module 110 is integrated for controllingThe signal that device 200 is required, control module 110 is connected with servo-driver 200 by axial interface 120.
Control module 100 is integrated controls the required signal of servo-driver 200, comprising: analog outputSignal, servo enable signal, three-phase encoder feedback signal and servo alarm signal. Wherein, analog outputSignal is sent by digital control system processor 100, and controls the fortune of servo-driver 200 by axial interface 120Rotary speed; Servo enable signal is sent by digital control system processor 100 and controls servo by axial interface 120Device 200 operations enable; Three-phase encoder feedback signal is sent by servo-driver 200, and by axial interface 120Three-phase encoder feedback signal is transferred to control module 110; Servo alarm signal is sent by servo-driver 200,Control module 110 gathers servo alarm signal by axial interface 120, and servo alarm signal is carried out to logicProcess.
Analog quantity output signals, servo enable signal, three-phase encoder feedback signal and servo alarm signal are all joinedPut and be integrated in control module 110.
Control module 110 in digital control system processor 100 is by required each servo-driver more than 200 groupsSignal is integrated in control module 110 and axial interface 120, and uses a multi-core cable 300 to be connected to and watchTake in the servo-drive interface 210 of driver 200, thereby control both allocations of the set speed of servo-drive systemOperation, does not need to increase extra cable, and wiring brief introduction is attractive in appearance, easy to operate, impel axial interface 120 withBetween servo-driver 200, wiring is easier to standardization, standardization. In the present embodiment, multi-core cable 300Be 12 core cables, in other embodiments, the quantity of the fibre core in multi-core cable can design according to demand.
In the present embodiment, the also integrated power supply of 24 volts in control module 110, for giving digital control systemProcessor power supply, wherein, 24 volts of power supplys are connected with axial interface 120.
Control module 200 comprise analog quantity output signals transmission circuit, servo enable signal transmission circuit,Three-phase encoder feedback signal circuit and servo alarm signal transmission circuit and control chip. Control module 200For computer numerical control (CNC) (ComputerizedNumericalControl, CNC) board, be called for short CNCControl card.
As shown in Figure 2 be signal circuit schematic diagram in an embodiment, in figure analog quantity output signals passTransmission of electricity road 112 comprises operational amplifier U4A, common mode inductance Y1, the first resistance R 1, the first capacitor C 1.The first resistance R 1 is in parallel with the first capacitor C 1, the first end of the first capacitor C 1 and operational amplifier U4A'sInput connects, and the second end of the first capacitor C 1 is connected with the output of operational amplifier U4A, and computing is putLarge device U4A is connected with axial interface P1 through inductance Y1. The model of operational amplifier U4A in the present embodimentFor AD8211, the model of axial interface PI is SCSI-14, and axial interface has 14 terminal pins.
Further be appreciated that the analog quantity output signals for being sent by digital control system processor 100(DACOUT0) through the 3rd resistance R 3, be transferred to operational amplifier U4A, operational amplifier U4A willAnalog quantity output signals is anti-phase, and increases the driving force of analog output signal, and analog quantity output signals is warp againCross common mode inductance Y1 and be transferred to axial interface 120, and by cable transmission to servo-driver 200 so that controlServo-driver 200 running speeds.
With reference to figure 2, control module 110 comprises servo enable signal transmission circuit Figure 114, servo enable signalCircuit 114 comprises NPN type Darlington transistor Q1. The servo enable signal warp being sent by digital control system processorCross the base stage that the 4th resistance R 4 is transferred to NPN type Darlington transistor Q1, and by NPN type Darlington transistor Q1Emitter stage be connected with axial interface P1. And by cable transmission to servo-driver 200 and then control servo drivingMoving device 200 operations enable. The wherein base earth of NPN type Darlington transistor Q1.
In the present embodiment, control module 110 comprises Master control chip.
As shown in Figure 3 be signal circuit schematic diagram, in figure, control module 110 comprises that three-phase coding is anti-Feedback signal circuit 116, three-phase encoder feedback signal circuit comprises the first differential conversion chip U1, the second differenceConversion chip U2, the 3rd differential conversion chip U3. In the present embodiment, the first differential conversion chip U1Two input pins 1, pins 2 are connected with pin 1, pin 2 in axial interface P1 respectively, and firstThe 5th resistance R 5 of connecting between two input pins 1 of differential conversion chip U1, pin 2. Wherein first is poorThe first differential signal (A0 ,-A0) that divides conversion chip U1 that servo-driver 200 is fed back to is converted to crystalline substanceTransistor-transistor logic (TTL) (TransistorTransistorLogic, TTL) level signal, and by conversion afterThe Master control chip 113 that Transistor-Transistor Logic level signal is transferred in control module 100 carries out logical process.
The input pin 14 of the second differential conversion chip U2, pin 15 respectively with axial interface P1 in pin 4,Pin 5 connects, and connects the 6th between the input pin 14 of the first differential conversion chip U1, pin 15Resistance R 6.
Two input pins 9 of the 3rd differential conversion chip U3, pin 10 respectively with axial interface P1 in drawPin 5, pin 6 connect, and series connection between the input pin 9 of the first differential conversion chip U1, pin 10The 7th resistance R 7.
Wherein, the first differential conversion chip U1, the second differential conversion chip U2, the 3rd differential conversion chipThe first differential signal (A0 ,-A0) that U3 feeds back to servo-driver 200, the second differential signal (B0,-B0), the 3rd differential signal (R0 ,-R0) is converted to transistor-transistor logic (TransistorTransistorLogic, TTL) level signal, and the institute's Transistor-Transistor Logic level signal after conversion is transferred in control module 100Master control chip 113 carry out logical process.
Further, as shown in Figure 4 be break detection circuit, break detection circuit 117 comprises that the 4th is poorDivide chip U5, the 5th difference chip U6 and the first XOR conversion chip U7. Wherein, the 4th difference chipThe input (6,7) of U5 is respectively through the 11 resistance R the 11, the 12 resistance R 12 and axial interface P1Pin (1,2) connect. The input (9,10) of the 5th difference chip U6 is respectively through the 13 electricityResistance R13, the 14 resistance R 14 are connected with the pin (1,2) of axial interface P1. The 4th difference chip U5Output 5, the 5th difference chip U6 output 11 respectively with the input of the first XOR conversion chip U7End (1,2) connects; The output U7 of the first XOR conversion chip is connected with Master control chip 113. Broken stringThe detection signal of testing circuit 119 is WBA0, and if there is broken string situation, WBA0 signal will be by high electricityFlat turn becomes low level, is transferred to Master control chip 113, for judging warning. Also comprise in the present embodimentThe detection signal of WBB0, WBR0, the outage detection of the detection signal of its breaking point detection circuit and WBA0Circuit and principle thereof are all identical, here repeat no more.
With reference to figure 3, in figure, also comprise servo circuit 118, servo circuit 118 comprisesLight-coupled isolation chip Q2, the 8th resistance R 8 and the 9th resistance R 9. The input warp of light-coupled isolation chip Q2The 8th resistance R 8 is connected with axial interface P1, one end of the 9th resistance R 9 respectively with the 8th resistance R 8, optocouplerThe input of isolating chip Q2 connects; The output of light-coupled isolation chip Q2 is connected with Master control chip 113.Servo alarm signal IN2BYTE0 is through light-coupled isolation chip Q2 input, and signal is converted to after 5 volts of level, passesBe defeated by Master control chip 113.
Digital control system processor 100 also comprises industrial control mainboard 130 and keyset 140; Industrial control mainboard 130 forChipset, bus and power supply in digital control system processor 100 are installed; Keyset 140 connects industrial control mainboard130 with control module 110; Industrial control mainboard 130 comprises the x86 processor that power is less than 100 watts, x86 placeReason device is of a size of 170 millimeters * 170 millimeters, and the model of industrial control mainboard is Mini-ITX. In the present embodiment,In digital control system processor 100, also comprise the parts such as power supply, solid state hard disc and fan, for making system more tightGather, the size that takes up room is less, and what power acquisition was used is small size industry control power source special, and industrial control mainboard 130 makesBe the small-size main board of MINI-ITX specification, by control module (CNC control panel) 110 maximum programsIntegration compression, chip is arranged comparatively intensive, adopts 6 layers of pcb board manufacture craft, thereby has reduced PCBPlate area. What mainframe box fan adopted is high rotating speed small size fan, reduces taking of chassis space.
As shown in Figure 5 be the frame diagram of digital control system in an embodiment, in figure, also comprise digital IOInterface board 300, the integrated output relay 312 of output 310 of digital input-output interface plate, output relayDevice 312 is connected with the control module 110 in digital control system processor 100. Often opening of output relay 312Contact is connected to output 310. Output 310 increases relay output interface, needs a small amount of relay at someThe occasion of application can directly be used the relay interface on IO interface board, thereby no longer need in regulator cubicle, pacifyDress relay, reduces taking of regulator cubicle space, has done without the artificial installation of relay.
In other embodiments, axial interface in digital control system processor 100 120 can also and raster sizeDevice connect, in connecting, only need to use three-phase encoder feedback signal and 5 volts of power supply signals.
Each technical characterictic of the above embodiment can combine arbitrarily, for making to describe succinctly, not rightThe all possible combination of each technical characterictic in above-described embodiment is all described, but, as long as these skillsThere is not contradiction in the combination of art feature, is all considered to be the scope that this description is recorded.
The above embodiment has only expressed several embodiment of the present utility model, its describe comparatively concrete andIn detail, but can not therefore be interpreted as the restriction to utility model patent scope. It is right to it should be pointed out thatIn those of ordinary skill in the art, without departing from the concept of the premise utility, can also doGo out some distortion and improvement, these all belong to protection domain of the present utility model. Therefore, the utility model is specialThe protection domain of profit should be as the criterion with claims.
Claims (10)
1. a digital control system, comprises digital control system processor and servo-driver, it is characterized in that, described inDigital control system processor comprises control module, axial interface, and it is described servo that described control module is used for controlling drivingDriver is also integrated controls the required signal of described servo-driver, and described control module is coupling by describedMouth is connected with described servo-driver.
2. digital control system according to claim 1, is characterized in that, control that described control module is integratedMake the required signal of described servo-driver, comprising:
Analog quantity output signals, described analog quantity output signals is by servo-drive described in described axial interface controlThe running speed of device;
Servo enable signal, described servo enable signal makes by servomechanism operation described in described axial interface controlCan;
Three-phase encoder feedback signal, described in by described axial interface, described three-phase encoder feedback signal being transferred toControl module;
Servo alarm signal, described control module gathers described servo alarm signal by described axial interface, andDescribed servo alarm signal is carried out to logical process;
Described analog quantity output signals, servo enable signal, three-phase encoder feedback signal and servo alarm signalAll configuration is integrated in described control module.
3. digital control system according to claim 1, is characterized in that, described control module comprises simulationAmount output signal circuit, described analog quantity output signals circuit comprises operational amplifier, common mode inductance, firstResistance, the first electric capacity, described the first resistance and the first Capacitance parallel connection, the first end of described the first electric capacity and instituteThe input of stating operational amplifier connects, the second end of described the first electric capacity and the output of described operational amplifierEnd connects, and described operational amplifier is connected with described axial interface through described common mode inductance.
4. digital control system according to claim 1, is characterized in that, described control module comprises master controlCoremaking sheet, for controlling servo-driver.
5. digital control system according to claim 1, is characterized in that, described control module comprises servoEnable signal circuit, described servo enable signal circuit comprises NPN type Darlington transistor, described NPN type reachesThe base stage of Islington pipe is connected with the 4th resistance, the base earth of described NPN type Darlington transistor, described NPNThe emitter stage of type Darlington transistor is connected with described axial interface.
6. digital control system according to claim 4, is characterized in that, described control module comprises three-phaseEncoder feedback signal circuit, described three-phase encoder feedback signal circuit comprises the first differential conversion chip, secondDifferential conversion chip, the 3rd differential conversion chip; Described the first differential conversion chip, the second differential conversion coreThe input of sheet, the 3rd differential conversion chip is connected with described axial interface respectively; Described the first differential conversion coreThe output of sheet, the second differential conversion chip, the 3rd differential conversion chip is connected with described Master control chip.
7. digital control system according to claim 6, is characterized in that, described three-phase encoder feedback signalCircuit also comprises break detection circuit, and described break detection circuit comprises the 4th difference chip, the 5th difference coreSheet and the first XOR conversion chip; Input and the described axle of described the 4th difference chip, the 5th difference chipInterface connects, and the output of described the 4th difference chip, the 5th difference chip turns with described the first XOR respectivelyThe input that changes chip connects; The output of described the first XOR conversion chip is connected with described Master control chip.
8. digital control system according to claim 4, is characterized in that, described control module comprises servoCircuit, described servo circuit comprises light-coupled isolation chip, the second resistance and the 3rd electricityResistance; The input of described light-coupled isolation chip is connected with described axial interface through the second resistance, described the 3rd resistanceOne end be connected with the input of described the second resistance, light-coupled isolation chip respectively; Described light-coupled isolation chipOutput be connected with described Master control chip.
9. digital control system according to claim 1, is characterized in that, described digital control system processor alsoComprise industrial control mainboard and keyset; Described industrial control mainboard is for installing the chip of integrated described numerical control processorGroup, bus and power supply; Described keyset connects described industrial control mainboard and control module; Described industrial control mainboard bagDraw together the x86 processor that power is less than 100 watts, described x86 processor is of a size of 170 millimeters * 170 millimeters.
10. digital control system according to claim 1, is characterized in that, described digital control system also comprisesDigital input-output interface plate, the integrated output relay of output of described digital input-output interface plate, instituteStating output relay is connected with described control module.
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| CN201520999005.XU CN205301967U (en) | 2015-12-04 | 2015-12-04 | Numerical control system |
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| CN201520999005.XU CN205301967U (en) | 2015-12-04 | 2015-12-04 | Numerical control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297238A (en) * | 2016-08-18 | 2017-01-04 | 中冶建筑研究总院有限公司 | A kind of transacter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106297238A (en) * | 2016-08-18 | 2017-01-04 | 中冶建筑研究总院有限公司 | A kind of transacter |
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Effective date of registration: 20170622 Address after: Dazu laser Building No. 9 Nanshan District high tech Park North new road Shenzhen city Guangdong province 518000 Co-patentee after: HAN'S PA AUTOMATION TECHNOLOGY Co.,Ltd. Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Co-patentee after: SHENZHEN HAN'S SMART CONTROL TECHNOLOGY Co.,Ltd. Address before: Dazu laser Building No. 9 Nanshan District high tech Park North new road Shenzhen city Guangdong province 518000 Co-patentee before: HAN'S PA AUTOMATION TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
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Address after: 518000 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee after: Shenzhen Han's photon laser technology Co.,Ltd. Patentee after: SHENZHEN HAN'S SMART CONTROL TECHNOLOGY Co.,Ltd. Address before: 518000 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: HAN'S PA AUTOMATION TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN HAN'S SMART CONTROL TECHNOLOGY Co.,Ltd. |