CN104601063A - High-voltage high-power stepping motor controller - Google Patents
High-voltage high-power stepping motor controller Download PDFInfo
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- CN104601063A CN104601063A CN201510061331.0A CN201510061331A CN104601063A CN 104601063 A CN104601063 A CN 104601063A CN 201510061331 A CN201510061331 A CN 201510061331A CN 104601063 A CN104601063 A CN 104601063A
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- phase current
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- control circuit
- stepping motor
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Abstract
The invention discloses a high-voltage high-power stepping motor controller. The controller comprises a stepping circular impulse control circuit, an H-bridge power driving circuit, a phase current Hall sampling circuit, a phase current chopping control circuit and a protective isolation circuit. A stepping sequence signal is generated after a frequency impulse signal passes the circular impulse control circuit, and outputs a phase AB and a phase CD after being connected to the phase current chopping control circuit and the H-bridge power driving circuit sequentially. The phase AB and the phase CD drive a two-phase four-wire system stepping motor. The phase current Hall sampling circuit samples the load of the two-phase four-wire system stepping motor and acquires phase current signals. The phase current signals are output to the protective isolation circuit. The high-voltage high-power stepping motor controller has the advantages that the phase current Hall sampling circuit is adopted for phase current sampling, and the phase current chopping control circuit is combined to achieve phase current chopping treatment, so that accuracy and reliability in setting of each phase current are achieved, and the motor operates stably and has large current, less heat and low operational noise.
Description
Technical field
The present invention relates to stepping motor field, particularly relate to a kind of high-tension high-power controllor for step-by-step motor.
Background technology
In today of electric era, the automaticity of domestic automation industry is more and more higher, has very high requirement to the controllability of automated execution mechanism, sensitivity and security performance simultaneously.Stepping motor stepping motor is a kind of control specific type of electric machine, it rotates and runs step by step with fixing angle and step angle, feature is without accumulated error, have precision high, be easy to control, characteristic that cost is low, because having very outstanding linear mechanical property, wider speed adjustable range, good startability, and the advantage such as simple control circuit, and be widely used in the various opened loop control fields such as laser manufacture, Medical Instruments, packages printing, numerical control transformation, industrial automation.
Stepper motor driver is the electronic equipment being specifically designed to Driving Stepping Motor, it is converted into the angular displacement of stepping motor the pulse signal that control system sends, meaning and control system often send out a pulse signal, driver just makes stepping motor rotate a step angle, the frequency of control step pulse signal and pulse number, just can carry out accurate speed governing and location to motor.But existing with the stepper motor driver of pulse signal control mode, can not the various Motor control Application of comprehensive, omnibearing replacement at special dimension, therefore cannot meet the demand in market.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides a kind of high-tension high-power controllor for step-by-step motor, make every phase current setting of stepping motor accurate and reliable, and motor operates steadily, big current heating is little and it is low to run noise.
For achieving the above object, the invention provides a kind of high-tension high-power controllor for step-by-step motor, comprise step cycle pulse control circuit, H bridge power driving circuit, phase current Hall sample circuit, phase current control circuit of chopping and protective separation circuit; Described step cycle pulse control circuit is electrically connected with one end of H bridge power driving circuit by phase current control circuit of chopping, the other end of described H bridge power driving circuit is electrically connected with phase current Hall sample circuit by two-phase four-wire system stepping motor, and described phase current Hall sample circuit is electrically connected with protective separation circuit; Frequency pulse signal is by producing stepping clock signal after step cycle pulse control circuit, this stepping clock signal exports AB phase and CD phase after accessing phase current control circuit of chopping and H bridge power driving circuit successively, this AB phase and CD phase drive two-phase four-wire system stepping motor, and the load of described phase current Hall sample circuit to two-phase four-wire system stepping motor samples and obtain phase current signal; Described phase current signal exports protective separation circuit to.
Wherein, this controller also comprises switching power circuit, and described switching power circuit is electrically connected with step cycle pulse control circuit, H bridge power driving circuit, phase current Hall sample circuit, phase current control circuit of chopping and protective separation circuit respectively.
Wherein, described step cycle pulse control circuit comprises optical coupler, schmitt inverter, binary system install beforehand forward-backward counter and eprom memory; Described optical coupler, schmitt inverter, binary system install beforehand forward-backward counter are electrically connected successively with eprom memory, and frequency pulse signal is by after optical coupler isolation and schmitt inverter shaping, sends into binary system install beforehand forward-backward counter and produces step cycle Pulse Width Control address; Step cycle Pulse Width Control address is by obtaining stepping clock signal after eprom memory process.
Wherein, described phase current Hall sample circuit comprises Hall current sensor and causes rail transport and placing device with the rail that Hall current sensor is electrically connected; Described Hall current sensor carries out phase current sampling to the load of two-phase four-wire system stepping motor and obtains phase current sampling signal, and phase current sampling signal forms phase current signal after causing rail transport and placing device amplification shaping by rail and exports protective separation circuit to.
Compared with prior art, high-tension high-power controllor for step-by-step motor provided by the invention, there is following beneficial effect: adopt H bridge power driving circuit, not only be applicable to high-power stepping motor, and finally can reach the object of the phase current Hall sample circuit controlling motor, and adopt phase current Hall sample circuit to carry out phase current sampling, and phase current copped wave process can be accomplished in conjunction with phase current control circuit of chopping, every phase current is set precisely and reliable, motor operates steadily and big current heating is little, to run noise low; The design of foregoing circuit makes the circuit of whole step motor accomplish the technical characterstics such as dependable performance, safety, big current; make stepping motor under the control of the controller, high low speed operate steadily, speed governing is quick on the draw, the enable control in direction is reliable, under-voltage, overvoltage, overcurrent, temperature and protection response fast and reliable.
Accompanying drawing explanation
Fig. 1 is the block diagram of high-tension high-power controllor for step-by-step motor of the present invention.
Main element symbol description is as follows:
10, step cycle pulse control circuit 11, H bridge power driving circuit
12, phase current Hall sample circuit 13, phase current control circuit of chopping
14, protective separation circuit 15, two-phase four-wire system stepping motor
101, optical coupler 102, schmitt inverter
103, binary system install beforehand forward-backward counter 104, eprom memory
121, Hall current sensor 122, rail cause rail transport and placing device
Embodiment
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1, high-tension high-power controllor for step-by-step motor of the present invention, comprise step cycle pulse control circuit 10, H bridge power driving circuit 11, phase current Hall sample circuit 12, phase current control circuit of chopping 13 and protective separation circuit 14; Step cycle pulse control circuit 10 is electrically connected with one end of H bridge power driving circuit 11 by phase current control circuit of chopping 13, the other end of H bridge power driving circuit 11 is electrically connected with phase current Hall sample circuit 12 by two-phase four-wire system stepping motor 15, and phase current Hall sample circuit 12 is electrically connected with protective separation circuit 14; Frequency pulse signal is by producing stepping clock signal after step cycle pulse control circuit 10, the access of this stepping clock signal exports AB phase and CD phase after accessing phase current control circuit of chopping 13 and H bridge power driving circuit 11 successively, this AB phase and CD phase drive two-phase four-wire system stepping motor 15, and the load of phase current Hall sample circuit 12 pairs of two-phase four-wire system stepping motors 15 samples and obtains phase current signal; Phase current signal exports protective separation circuit 14 to.
Compared to the situation of prior art, high-tension high-power controllor for step-by-step motor provided by the invention, adopt H bridge power driving circuit, not only be applicable to high-power stepping motor, and finally can reach the object of the phase current Hall sample circuit controlling motor, and adopt phase current Hall sample circuit to carry out phase current sampling, and phase current copped wave process can be accomplished in conjunction with phase current control circuit of chopping, every phase current is set precisely and reliable, motor operates steadily and big current heating is little, to run noise low; The design of foregoing circuit makes the circuit of whole step motor accomplish the technical characterstics such as dependable performance, safety, big current; make stepping motor under the control of the controller, high low speed operate steadily, speed governing is quick on the draw, the enable control in direction is reliable, under-voltage, overvoltage, overcurrent, temperature and protection response fast and reliable.
In the present embodiment; this controller also comprises switching power circuit (not shown), and switching power circuit is electrically connected with step cycle pulse control circuit 10, H bridge power driving circuit 11, phase current Hall sample circuit 12, phase current control circuit of chopping 13 and protective separation circuit 14 respectively.Add DC70V direct voltage through switching power circuit, for whole controller provides 12V and 5V direct voltage, simultaneously DC70V provides load driving voltage for H bridge power driving circuit 11; After whole controller acquisition 12V and 5V powers, whether whole controller detection input voltage is under-voltage or overvoltage protection, whether normally detects temperature rise simultaneously; If DC70V input voltage is normal and temperature rise is normal, controller accepts that IO isolates enable input, IO isolates direction input, the inside and outside enable input of frequency of IO isolation, inside or the given input of external pulse frequency and the output of system exception protection relay.Controller has just had correct enable signal, direction signal, inside and outside frequency enable signal and frequency pulse signal, is finally processed by frequency pulse signal.
In the present embodiment, step cycle pulse control circuit 10 comprises optical coupler 101, schmitt inverter 102, binary system install beforehand forward-backward counter 103 and eprom memory 104; Optical coupler 101, schmitt inverter 102, binary system install beforehand forward-backward counter 103 are electrically connected successively with eprom memory 104, and frequency pulse signal is isolated by optical coupler 101 and after schmitt inverter 102 shaping, is sent into binary system install beforehand forward-backward counter 103 and produce step cycle Pulse Width Control address; Step cycle Pulse Width Control address obtains stepping clock signal after being processed by eprom memory 104.Phase current Hall sampling electricity 12 comprises Hall current sensor 121 and causes rail transport and placing device 122 with the rail that Hall current sensor 121 is electrically connected; The load of Hall current sensor 121 pairs of two-phase four-wire system stepping motors 15 is carried out phase current sampling and is obtained phase current sampling signal, and phase current sampling signal is caused by rail and forms phase current signal after rail transport and placing device 122 amplifies shaping and export protective separation circuit 14 to.
Operation principle of the present invention is: frequency pulse signal is by step cycle pulse control circuit 10, produce stepping clock signal, after clock signal type has 10 bit digital dial-ups, 2 bit switch setting .a, 4 clap circulation, b, 8 bat circulations), the access of stepping clock signal accesses phase current control circuit of chopping 13 and H bridge power driving circuit 11 driver output AB phase and CD phase successively, and AB phase and CD phase drive two-phase four-wire system stepping motor; The load of phase current Hall sample circuit 12 pairs of two-phase four-wire system stepping motors 15 is carried out current sampling and obtains phase current signal, and phase current signal exports protective separation circuit 14 to and went forward side by side to go out to export to related circuit after overvoltage, under-voltage, overcurrent, Overheating Treatment and carry out processing and indicate.
Concrete advantage of the present invention is:
1) this controller adopts eprom memory and incoming frequency address transition as step cycle pulse control circuit 10, reasonable in design, be skillfully constructed;
2) because final control appliance is high-power stepping motor, control so adopt advanced H bridge power driving circuit 11 drive integrated circult to carry out output in circuit, finally reach this product controlling motor and adopt Hall current sensor to enter object;
3) form complete phase current vector constant current chopper through phase current control circuit of chopping 13 control treatment, every phase current is set accurate, reliable, motor operates steadily, the technical characterstic that big current heating is little, operation noise is low.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1. a high-tension high-power controllor for step-by-step motor, is characterized in that, comprises step cycle pulse control circuit, H bridge power driving circuit, phase current Hall sample circuit, phase current control circuit of chopping and protective separation circuit; Described step cycle pulse control circuit is electrically connected with one end of H bridge power driving circuit by phase current control circuit of chopping, the other end of described H bridge power driving circuit is electrically connected with phase current Hall sample circuit by two-phase four-wire system stepping motor, and described phase current Hall sample circuit is electrically connected with protective separation circuit; Frequency pulse signal is by producing stepping clock signal after step cycle pulse control circuit, this stepping clock signal exports AB phase and CD phase after accessing phase current control circuit of chopping and H bridge power driving circuit successively, this AB phase and CD phase drive two-phase four-wire system stepping motor, and the load of described phase current Hall sample circuit to two-phase four-wire system stepping motor samples and obtain phase current signal; Described phase current signal exports protective separation circuit to.
2. high-tension high-power controllor for step-by-step motor according to claim 1; it is characterized in that; this controller also comprises switching power circuit, and described switching power circuit is electrically connected with step cycle pulse control circuit, H bridge power driving circuit, phase current Hall sample circuit, phase current control circuit of chopping and protective separation circuit respectively.
3. high-tension high-power controllor for step-by-step motor according to claim 1, is characterized in that, described step cycle pulse control circuit comprises optical coupler, schmitt inverter, binary system install beforehand forward-backward counter and eprom memory; Described optical coupler, schmitt inverter, binary system install beforehand forward-backward counter are electrically connected successively with eprom memory, and frequency pulse signal is by after optical coupler isolation and schmitt inverter shaping, sends into binary system install beforehand forward-backward counter and produces step cycle Pulse Width Control address; Step cycle Pulse Width Control address is by obtaining stepping clock signal after eprom memory process.
4. high-tension high-power controllor for step-by-step motor according to claim 1, is characterized in that, described phase current Hall sample circuit comprises Hall current sensor and causes rail transport and placing device with the rail that Hall current sensor is electrically connected; Described Hall current sensor carries out phase current sampling to the load of two-phase four-wire system stepping motor and obtains phase current sampling signal, and phase current sampling signal forms phase current signal after causing rail transport and placing device amplification shaping by rail and exports protective separation circuit to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510061331.0A CN104601063A (en) | 2015-02-05 | 2015-02-05 | High-voltage high-power stepping motor controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061331.0A CN104601063A (en) | 2015-02-05 | 2015-02-05 | High-voltage high-power stepping motor controller |
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| CN104601063A true CN104601063A (en) | 2015-05-06 |
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| CN201510061331.0A Pending CN104601063A (en) | 2015-02-05 | 2015-02-05 | High-voltage high-power stepping motor controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403726A (en) * | 2015-12-17 | 2016-03-16 | 滁州市博创电气有限公司 | Pulse velocity measurement module |
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|---|---|---|---|---|
| CN201490955U (en) * | 2009-09-09 | 2010-05-26 | 深圳市雷赛机电技术开发有限公司 | Two-phase step driver |
| KR20120084211A (en) * | 2011-01-19 | 2012-07-27 | 엘지전자 주식회사 | Apparatus for driving stepper motor |
| CN202663341U (en) * | 2012-05-08 | 2013-01-09 | 常州泽明自动化设备有限公司 | Two-phase high-power stepping motor drive controller |
| CN203352521U (en) * | 2013-06-17 | 2013-12-18 | 杭州电子科技大学 | Software subdivision-based two-phase four-wire stepper motor driver |
| CN103560730A (en) * | 2013-11-11 | 2014-02-05 | 上海航天测控通信研究所 | Stepper motor driver and driving method thereof |
| CN204392127U (en) * | 2015-02-05 | 2015-06-10 | 安徽科达自动化集团股份有限公司 | High-tension high-power controllor for step-by-step motor |
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2015
- 2015-02-05 CN CN201510061331.0A patent/CN104601063A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490955U (en) * | 2009-09-09 | 2010-05-26 | 深圳市雷赛机电技术开发有限公司 | Two-phase step driver |
| KR20120084211A (en) * | 2011-01-19 | 2012-07-27 | 엘지전자 주식회사 | Apparatus for driving stepper motor |
| CN202663341U (en) * | 2012-05-08 | 2013-01-09 | 常州泽明自动化设备有限公司 | Two-phase high-power stepping motor drive controller |
| CN203352521U (en) * | 2013-06-17 | 2013-12-18 | 杭州电子科技大学 | Software subdivision-based two-phase four-wire stepper motor driver |
| CN103560730A (en) * | 2013-11-11 | 2014-02-05 | 上海航天测控通信研究所 | Stepper motor driver and driving method thereof |
| CN204392127U (en) * | 2015-02-05 | 2015-06-10 | 安徽科达自动化集团股份有限公司 | High-tension high-power controllor for step-by-step motor |
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Cited By (1)
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| CN105403726A (en) * | 2015-12-17 | 2016-03-16 | 滁州市博创电气有限公司 | Pulse velocity measurement module |
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Application publication date: 20150506 |