CN205396766U - Labeller drive control system - Google Patents
Labeller drive control system Download PDFInfo
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- CN205396766U CN205396766U CN201620188508.3U CN201620188508U CN205396766U CN 205396766 U CN205396766 U CN 205396766U CN 201620188508 U CN201620188508 U CN 201620188508U CN 205396766 U CN205396766 U CN 205396766U
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Abstract
The utility model relates to a labeller drive control system, which comprises an upper computer and a lower computer, the host computer passes through communication module with the next machine and is connected, host system, drive unit and power module are drawn together to the next press packed bale, power module is host system and drive unit power supply, host system and drive unit are connected, and drive unit is used for driving motor to rotate. The utility model discloses the drive circuit who has temperature protection and overcurrent protection to and can produce controllable, accurate pwm pulse ripples master control circuit, rotational speed can be more accurate, the adjustable control motor. Make the labeller at the uniform velocity move under a plurality of speed, improved the flexibility and the efficiency of labeller.
Description
Technical field
This utility model relates to labelling machine field, is specifically related to a kind of labelling machine driving control system.
Background technology
The driving control system of labelling machine is to control labeling paper tape automatic label delivering after obtaining signal by motor, and after being controlled by photoelectric sensor, a label-sticking realizes automatic labeling function.The quality of functional realiey is relevant with factors such as the control accuracy of motor and photoelectric sensitivities.Traditional device has following several shortcoming:
1, traditional device controls rotation and the stopping of motor, without crossing stream, overvoltage protection；
2, the skew of labeling position is relatively big, and labeling positional precision has much room for improvement；
3, owing to motor is at low speed, at the uniform velocity working under state, work efficiency is relatively low.Speed can not be changed again in certain limit；
4, when conventional apparatus possibly be present at and label-sticking detected, motor transmission stops the delayed label-sticking that may result in and overlaps, and photosignal controls and motor control has to be reinforced；
5, conventional apparatus is generally controlled by one piece of master cpu, and ornamental is not high, and user operability is not strong.
Utility model content
In view of this, the purpose of this utility model is in that to provide a kind of labelling machine driving control system.
For reaching above-mentioned purpose, this utility model provides following technical scheme: a kind of labelling machine driving control system, including host computer and slave computer, described host computer is connected by communication module with slave computer；Described slave computer includes main control module, driver element and power module, and described power module is main control module and driver element is powered, and described main control module is connected with driver element, and driver element rotates for drive motor.
Further, described driver element includes driving module, current foldback circuit and temperature protection circuit, and described driving module, current foldback circuit and temperature protection circuit are connected with main control module respectively.
Further, described slave computer also includes photoelectric sensor, and described photoelectric sensor is connected with main control module.
Further, described host computer includes display module and key-press module.
The beneficial effects of the utility model are in that:
1, speed is fast, and precision is high；
2, motility is strong, and efficiency is high；
3, ornamental is good, and user operability is strong.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model is described in further detail, wherein:
Fig. 1 is the structural principle block diagram that this reality is novel；
Fig. 2 is the theory diagram of slave computer；
Fig. 3 is driver element partial circuit diagram；
Fig. 4 is the schematic diagram of temperature protection unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
A kind of labelling machine driving control system, including host computer and slave computer, described host computer is connected by communication module with slave computer；Described slave computer includes main control module, driver element and power module, and described power module is main control module and driver element is powered, and described main control module is connected with driver element, and driver element rotates for drive motor.Main control module described in the present embodiment is STC single-chip microcomputer.
This utility model includes host computer and slave computer, and dual-machine communication can not only strengthen the ornamental of labelling machine can also strengthen the operability of user.Native system can significantly improve the motility of labelling machine, effectiveness, high efficiency, appreciative value and operability.
In this utility model, main control module can produce controlled, accurate pwm impulse wave governor circuit, it is possible to the rotating speed of control motor more accurate, adjustable.Enable labelling machine to travel at the uniform speed under multiple speed, improve motility and the efficiency of labelling machine；Additionally photoelectric detecting signal time delay is adjustable, enhances the effectiveness of labelling machine.
Described driver element includes driving module, current foldback circuit and temperature protection circuit, and described driving module, current foldback circuit and temperature protection circuit are connected with main control module respectively.
Described slave computer also includes photoelectric sensor, and described photoelectric sensor is connected with main control module.When photoelectric sensor detects label-sticking, passing the signal to main control module, main control module passes on response instruction to driver, leaves the motor off rotation.It addition, when the time that photoelectric sensor transmits signal exceeds set point, it is believed that stripping failure, motor also can be automatically stopped.
Described host computer includes display module and key-press module.Operator can pass through the parameter setting that the instruction of host computer button responds, for instance: speed, labeling determination time, subdivider, hands automatic catch etc..
In the present embodiment, power module includes regulated power supply and the power transfer module being connected with regulated power supply, and described power transfer module is connected with main control module.
Power module directly powers on the one hand driver, is powered to single-chip microcomputer by power transfer module and high-precision voltage stabilizing module on the other hand.Main control part and drive part is made to play good isolation effect.
In the present embodiment, labelling machine can freely switch by hands automatic catch.When being switched to manual gear, labelling machine triggers, moves, is switched to automatic catch, and labelling machine is running automatically just.Additionally when labeling signal being detected, labelling machine will operate to automatic catch by unsteady state operation automatically.
In this utility model, described driver element includes full-bridge circuit and PWM drive circuit.PWM drive circuit includes input and connects the logic circuit of pwm control signal, logic circuit includes two integrated sequential logical circuit chip U1 and U2, four metal-oxide-semiconductor alternate conduction and the shutoff of full bridge driving circuit is controlled, thus driving direct current generator four-quadrant to move by this logic circuit chip.The present embodiment adopts IR2104 chip as sequential logical circuit chip.The IN end of IR2104 meets PWM_1 and PWM_2 respectively, for direct current generator carries out speed governing and tuning.Full bridge driving circuit is by four N-channel MOSs pipe Q1, Q2, Q3, Q4, composition, and is connected into H-bridge circuit.A fly-wheel diode also it is parallel with, when motor works in on-position, for armature supply earial drainage between the drain electrode d and source electrode s of each metal-oxide-semiconductor.Adopting IRF3205 as the N-channel MOS pipe of group bridge in the present embodiment, earial drainage diode adopts 4148 diodes.An electric capacity C3 also it is parallel with, the sharp wave produced during for elimination motor commutation at the armature two ends of direct current generator.
Current foldback circuit includes a detection resistance R12 for sealing in armature of direct current motor loop and three protective resistance R7, R8, R9; protective resistance R7, R8 part in series on be parallel with the contact of relay K 2, protective resistance R9 is parallel with the contact of relay K 1；Current foldback circuit also includes a MCU, and this MCU input sample connects detection resistance R12, and output controls to connect transistor Q8, Q7 of driving relay K 1, K2.
Specifically, detection resistance R12, for real-time current value is converted to magnitude of voltage, undertakes the Detection task to electric current.The voltage at detection resistance R12 two ends is added in respectively normal phase input end and the reverse input end of integrated transporting discharging AR1, then the AR1 analog voltage exported is sent in AD conversion chip U3 after electric capacity C4 filters.Output digital quantity after converted sends into Micro-processor MCV; Micro-processor MCV judges after signal is analyzed; then dynamic circuit breaker relay K 1, K2 action are controlled; by protective resistance R7, R8, R9 access or removal circuit (K1 disconnection access R9; K2 disconnects and accesses R7 and R8; K1 and K2 disconnects R7, R8, R9 and entirely accesses), thus circuit is implemented overcurrent protection.Two dynamic circuit breaker relays are driven by transistor Q7, Q8 respectively, and the coil-end at dynamic circuit breaker relay is also parallel with earial drainage diode D6 and D7, the electric current in rapid venting coil when relay changes state, it is to avoid because too high induced potential damages circuit.
Shown in Figure 4, described temperature protection circuit includes: temperature sampling circuit, exports corresponding magnitude of voltage for the temperature according to power model；Carrier generation circuit, is used for generating triangular wave；Analog/digital conversion circuit, for by magnitude of voltage compared with triangular wave, and export and there is the digit pulse of distinct pulse widths catch mouth to driver MCU, with by driver MCU (MicroControllerUnit, micro-control unit) calculate the dutycycle of digit pulse, and draw according to dutycycle and the temperature value of power model driver MCU is previously stored with the corresponding relation of described temperature value and dutycycle；Here dutycycle refers to the pulsewidth of digit pulse and the ratio in this digit pulse cycle.
Analog/digital conversion circuit includes the first operational amplifier U4, divider resistance R19, the first filter capacitor C8, the feeder ear of the first operational amplifier U4 is connected to supply voltage, and by the first filter capacitor C8 ground connection, the normal phase input end of the first operational amplifier U4 is connected to the outfan of carrier generation circuit by divider resistance R19, the inverting input of the first operational amplifier U4 is connected to the outfan of temperature sampling circuit, and what the outfan of the first operational amplifier U1 was connected to driver MCU catches mouth.
Temperature sampling circuit includes resistance R20, R21, R22, the second filter capacitor C9, resistance R21 is the critesistor R21 of actuator power inside modules, one end ground connection of critesistor R21, the other end of critesistor R21 is connected to supply voltage by resistance R20, also by the resistance R22 inverting input being connected in analog/digital conversion circuit the first operational amplifier U4, the node of the inverting input of resistance R22 and described first operational amplifier U4 is by the second filter capacitor C9 ground connection.Wherein, resistance R22 and the second filter capacitor C9 constitutes first-order filtering circuit, is filtered processing to the temperature signal of sampling, and the magnitude of voltage of temperature sampling circuit output changes with the change of critesistor R21.
Carrier generation circuit includes: square wave generative circuit, is used for exporting square wave；Integrating circuit, for being integrated output triangular wave by the square wave that square wave generative circuit exports.nullWherein，Square wave generative circuit includes the first reference voltage generating circuit、Second operational amplifier U5、Current-limiting resistance R23，First output sampling resistor R24，3rd filter capacitor C10，The input of the first reference voltage generating circuit is connected to supply voltage，The outfan of the first reference voltage generating circuit is connected to the inverting input of the second operational amplifier U5，The normal phase input end of the second operational amplifier U2 exports sampling resistor R24 by first and is connected to the outfan of integrating circuit，The node of the outfan of the first output sampling resistor R24 and integrating circuit is by the 3rd filter capacitor C10 ground connection，To accelerate stablizing of square wave，The normal phase input end of the second operational amplifier U5 is connected to the outfan of the second operational amplifier U5 also by current-limiting resistance R23，The outfan of the second operational amplifier U5 is connected to integrating circuit，Using by the square wave of the second operational amplifier U5 output as the anti-phase input of integrating circuit.
nullIntegrating circuit includes the second reference voltage generating circuit、Second output sampling resistor R25、Integrating capacitor C13、3rd operational amplifier U6，The input of the second reference voltage generating circuit is connected to supply voltage，The outfan of the second reference voltage generating circuit is connected to the normal phase input end of the 3rd operational amplifier U3，The inverting input of the 3rd operational amplifier U6 is connected by the outfan of second output sampling resistor R25 and the second operational amplifier U5 in square wave generative circuit，One end of integrating capacitor C13 is connected to the node between the inverting input of the second output sampling resistor R25 and the three operational amplifier U6，The other end of integrating capacitor C13 is connected to the outfan of the 3rd operational amplifier U6，It is integrated output triangular wave with the square wave that square wave generative circuit is exported，The one end of the divider resistance R19 that the outfan of the 3rd operational amplifier U6 is connected in carrier generation circuit，The triangular wave of output is inputted as the positive of analog/digital conversion circuit.Wherein, the current-limiting resistance R5 in square wave generative circuit and the amplitude of the first output voltage sampling resistor R24 decision triangular wave, the frequency of oscillation of the second output voltage sampling resistor R25 and integrating capacitor C13 decision triangular wave.
First reference voltage generating circuit includes resistance R26, R27, R28, the 4th filter capacitor C11, one end of resistance R26 is connected to supply voltage, the other end of resistance R26 is by the inverting input of resistance R28 the second operational amplifier U2 being connected in square wave generative circuit, thering is provided the first reference voltage for square wave generative circuit, the other end of resistance R26 is also respectively through resistance R27, the 4th filter capacitor C11 ground connection.
Second reference voltage generating circuit includes resistance R29, R30, R31, the 5th filter capacitor C12, one end of resistance R29 is connected to supply voltage, the other end of resistance R29 is by the normal phase input end of resistance R31 the 3rd operational amplifier U6 being connected in integrating circuit, thering is provided the second reference voltage for integration generative circuit, the other end of resistance R29 is also respectively through resistance R30, the 5th filter capacitor C12 ground connection.
What finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.
Claims (4)
1. a labelling machine driving control system, it is characterised in that: including host computer and slave computer, described host computer is connected by communication module with slave computer；Described slave computer includes main control module, driver element and power module, and described power module is driver element and main control module is powered, and described main control module is connected with driver element, and driver element rotates for drive motor.
2. labelling machine driving control system according to claim 1; it is characterized in that: described driver element includes driving module, current foldback circuit and temperature protection circuit, and described driving module, current foldback circuit and temperature protection circuit are connected with main control module respectively.
3. labelling machine driving control system according to claim 2, it is characterised in that: described slave computer also includes photoelectric sensor, and described photoelectric sensor is connected with main control module.
4. labelling machine driving control system according to claim 3, it is characterised in that: described host computer includes display module and key-press module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188508.3U CN205396766U (en) | 2016-03-11 | 2016-03-11 | Labeller drive control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188508.3U CN205396766U (en) | 2016-03-11 | 2016-03-11 | Labeller drive control system |
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| Publication Number | Publication Date |
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| CN205396766U true CN205396766U (en) | 2016-07-27 |
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| CN201620188508.3U Active CN205396766U (en) | 2016-03-11 | 2016-03-11 | Labeller drive control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911355A (en) * | 2019-03-26 | 2019-06-21 | 厦门链石网络科技股份有限公司 | A kind of system and method for automation control labeling |
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2016
- 2016-03-11 CN CN201620188508.3U patent/CN205396766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911355A (en) * | 2019-03-26 | 2019-06-21 | 厦门链石网络科技股份有限公司 | A kind of system and method for automation control labeling |
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