CN218276519U - Motor drive signal generation module and equipment based on etherCAT protocol - Google Patents
Motor drive signal generation module and equipment based on etherCAT protocol Download PDFInfo
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- CN218276519U CN218276519U CN202122942945.3U CN202122942945U CN218276519U CN 218276519 U CN218276519 U CN 218276519U CN 202122942945 U CN202122942945 U CN 202122942945U CN 218276519 U CN218276519 U CN 218276519U
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Abstract
The utility model discloses a motor drive signal generation module based on etherCAT agreement belongs to motor drive technical field, include: etherCAT unit is provided with a plurality of signal channel, and signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver; the power supply unit is electrically connected with the EtherCAT unit and used for supplying power to the EtherCAT unit; and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit. The utility model has the advantages of high integration and low cost, circuit design simple structure moreover, components and parts are compared and are also reduced in conventional motor drive circuit by a wide margin, have promoted the job stabilization nature of motor drive signal generation module based on the EtherCAT agreement, have very good economic value and technological value.
Description
Technical Field
The utility model relates to a motor drive technical field, concretely relates to motor drive signal generation module and equipment based on etherCAT agreement.
Background
At present, in mechanical equipment produced in industry, the motor drive is often applied, and a stepping driver and a servo driver are commonly used in a motor drive mode.
In the market, module motor driving signals are generally generated through an L298N motor driver, but a motor driving module design circuit designed according to an L298N chip often has several major disadvantages, for example, the circuit design is usually complex, the long-time working stability is poor, and the heating is serious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a motor drive signal generation module based on etherCAT agreement, solve among the prior art L298N chip circuit design all comparatively complicated usually, and long-time job stabilization nature is relatively poor, the serious technical problem generates heat.
In a first aspect, to achieve the above technical purpose, the technical solution of the present invention provides a motor driving signal generating module based on EtherCAT protocol, including:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit.
Compared with the prior art, the utility model discloses motor drive signal generation module's based on etherCAT agreement beneficial effect includes: the EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial field bus communication protocol based on an Ethernet development framework, is one of the fastest industrial Ethernet technologies, and compared with other traditional field bus systems, the EtherCAT system structure has the advantages of being capable of reducing 25-30% of CPU load, flexible in topological structure, free of network debugging, high in integration and low in cost, simple in circuit design structure, greatly reduced in components compared with a conventional motor driving circuit, improved in working stability of a motor driving signal generation module based on the EtherCAT protocol, less in heat productivity generated in long-time working, and very good in economic value and technical value.
According to the utility model discloses a some embodiments, the motor drive signal generation module based on etherCAT agreement includes:
EtherCAT unit is provided with four signal path, signal path includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through an enabling output interface of the servo enabling unit;
the EtherCAT unit transmits pulse signals and direction signals to the driver through the pulse signal differential line pair and the direction signal differential line pair.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and used for supplying power to the EtherCAT unit;
the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through an enabling output interface of the servo enabling unit;
the pulse interface, the direction interface and the driver are connected by a common positive method.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit.
The servo enabling unit includes:
the input end of the optical coupler is connected with the enabling interface;
and the MOS tube is connected with the output end of the optocoupler, and an enabling output interface of the MOS tube is used for outputting the enabling control signal to control the driver to work.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit.
The servo enabling unit includes:
the input end of the optical coupler is connected with the enabling interface;
the MOS tube is connected with the output end of the optocoupler, an enabling output interface of the MOS tube is used for outputting the enabling control signal to control the driver to work, and the MOS tube is an 8-channel receiver type DMOS transistor array.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through an enabling output interface of the servo enabling unit;
the enabling state indicator lamp is connected with the servo enabling unit and used for displaying the working state of the servo enabling unit;
the power supply state indicator light is connected with the power supply unit and used for displaying the working state of the power supply unit;
and the EtherCAT state indicator light is connected with the EtherCAT unit and is used for displaying the working state of the EtherCAT unit.
According to the utility model discloses a some embodiments, motor drive signal generation module based on etherCAT agreement, include:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through an enabling output interface of the servo enabling unit;
the enabling state indicator lamp is connected with the servo enabling unit and used for displaying the working state of the servo enabling unit;
the power supply state indicator light is connected with the power supply unit and used for displaying the working state of the power supply unit;
the EtherCAT state indicator light is connected with the EtherCAT unit and is used for displaying the working state of the EtherCAT unit;
the operating states of the servo enable unit, the power supply unit and the EtherCAT unit include a first state and a second state.
On the other hand, the utility model also provides a motor drive equipment based on etherCAT agreement, including the first aspect motor drive signal generation module based on etherCAT agreement.
Compared with the prior art, the utility model discloses motor drive equipment's based on etherCAT agreement beneficial effect includes: the motor driving signal generation module based on the EtherCAT protocol has the advantages of capability of reducing 25-30% of CPU load, flexible topological structure, no need of network debugging, high integration and low cost, and is simple in circuit design structure, elements are greatly reduced compared with a conventional motor driving circuit, the working stability of the motor driving signal generation module based on the EtherCAT protocol is improved, the heat productivity generated by long-time working is less, and the motor driving signal generation module based on the EtherCAT protocol has good economic value and technical value.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which the abstract is intended to be fully consistent with one of the figures of the specification:
fig. 1 is a schematic structural diagram of a motor driving signal generating module based on an EtherCAT protocol according to an embodiment of the present invention;
fig. 2 is a circuit diagram of an EtherCAT unit of a motor driving signal generating module based on an EtherCAT protocol according to another embodiment of the present invention;
fig. 3 is a circuit diagram of a servo enable unit of a motor driving signal generating module based on EtherCAT protocol according to another embodiment of the present invention;
fig. 4 is a connection between an EtherCAT unit and a driver of a motor driving signal generating module based on an EtherCAT protocol according to another embodiment of the present invention;
fig. 5 is another connection between an EtherCAT unit and a driver of a motor driving signal generating module based on an EtherCAT protocol according to another embodiment of the present invention;
fig. 6 is a schematic diagram of a servo enabling unit of a motor driving signal generating module based on EtherCAT protocol according to another embodiment of the present invention.
The reference numbers illustrate: the EtherCAT unit 100, the power supply unit 110, the servo enabling unit 120, the optical coupler 210 and the MOS tube 220.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The utility model provides a motor drive signal generates module based on etherCAT agreement, etherCAT (etherCAT for Control Automation Technology) is the real-time industry field bus communication protocol of development framework based on Ethernet, it is one of the fastest industry Ethernet technique, compare all the other traditional field bus systems, etherCAT system structure possesses and can reduce 25% -30% CPU load, the topological structure is nimble, need not the network debugging, high integration and low-cost advantage, and circuit design simple structure, compare in conventional motor drive circuit and also reduce by a wide margin, the job stabilization nature based on etherCAT agreement motor drive signal generates module has been promoted, calorific capacity that long-time work produced is also less, very good economic value and technological value have.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of a motor driving signal generating module based on EtherCAT protocol according to an embodiment of the present invention; fig. 2 is a circuit diagram of an EtherCAT unit 100 of a motor driving signal generating module based on an EtherCAT protocol according to another embodiment of the present invention; fig. 3 is a circuit diagram of the servo enabling unit 120 of the motor driving signal generating module based on the EtherCAT protocol according to another embodiment of the present invention.
In one embodiment, the motor driving signal generation module based on EtherCAT protocol comprises: etherCAT unit 100 is provided with a plurality of signal channel, and signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver; the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100; and the servo enabling unit 120 is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit 120.
It can be understood that the EtherCAT unit 100 may be a core board mainly composed of F407+ EtherCAT, where the core board includes a plurality of signal channels, which may be one signal channel, or 2, 3, 4, or more signal channels, each signal channel includes a pulse interface, a direction interface, and an enable interface, where the pulse interface and the direction interface are used to connect a driver, and the driver is used to drive an external device to operate; the power supply unit 110 is electrically connected with the EtherCAT unit 100 and used for supplying power to the EtherCAT unit 100; and the servo enabling unit 120 is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit 120. The motor drive signal generation module based on the EtherCAT protocol provided by the embodiment has the advantages of reducing 25% -30% of CPU load, being flexible in topological structure, free from network debugging, high in integration degree and low in cost, and being simple in circuit design structure, components and parts are also greatly reduced compared with a conventional motor drive circuit, the working stability of the motor drive signal generation module based on the EtherCAT protocol is improved, the heat productivity generated by long-time working is less, and the motor drive signal generation module has great progress compared with the motor drive signal generation module on the market.
It is easily understood that the power supply part is mainly powered by 24V DC, and then can be stepped down to 5V through the LM2596 to supply power for the F407+ EtherCAT core board. The OUTPUTX signal generated by the kernel based on EtherCAT + F407 is transmitted into the MOS tube 220 (TBD 62083 APG) through the optical coupler 210 (LTV-847S), and is processed and output to control the use of the servo driver, so that the enabling output interface of the servo enabling unit 120 can also drive devices such as an electromagnetic valve, and the current of each channel can reach 500mA.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
and the servo enabling unit 120 is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit 120.
It can be understood that a four-way servo control signal output module-DRE 1104 designed based on EtherCAT protocol is a signal generation module for pulse type stepping or servo unit, and includes four channels, each channel having a pulse signal, a direction signal and an enable signal output.
Referring to fig. 4, fig. 4 is a connection method between the EtherCAT unit 100 of the motor driving signal generating module based on the EtherCAT protocol and the driver according to another embodiment of the present invention.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
the servo enabling unit 120 is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit 120;
the pulse interface, the direction interface and the driver are connected by using a difference method, a pulse signal differential line pair and a direction signal differential line pair are arranged, and the EtherCAT unit 100 transmits a pulse signal and a direction signal to the driver through the pulse signal differential line pair and the direction signal differential line pair.
As shown in fig. 4, PIL + and PUL-are differential line pairs of pulse signals, DIR + and DIR-are differential direction signal differential line pairs of direction signals, and transmit direction signals to the driver, so that the differential wiring method can be used for well identifying tiny signals, and the immunity of the motor driving signal generation module based on the EtherCAT protocol to electromagnetic interference can be improved, and the stability is very good.
Referring to fig. 5, fig. 5 is another connection method between the EtherCAT unit 100 of the motor driving signal generating module based on the EtherCAT protocol and the driver according to another embodiment of the present invention.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
the servo enabling unit 120 is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit 120;
the pulse interface, the direction interface and the driver are connected by a common positive method.
Referring to fig. 6, fig. 6 is a schematic diagram of the servo enabling unit 120 of the motor driving signal generating module based on EtherCAT protocol according to another embodiment of the present invention.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the EtherCAT unit 100 is provided with a plurality of signal channels, and the signal channels include: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
and a servo enabling unit 120 connected to the enabling interface, receiving and modulating the enabling control signal from the enabling interface, and controlling the driver to operate through an enabling output interface of the servo enabling unit 120.
The servo enable unit 120 includes:
an optical coupler 210, an input end of the optical coupler 210 is connected with the enabling interface;
and the MOS tube 220 is connected with the output end of the optical coupler 210, and an enabling output interface of the MOS tube 220 is used for outputting the enabling control signal to control the driver to work.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
and a servo enabling unit 120 connected to the enabling interface, receiving and modulating the enabling control signal from the enabling interface, and controlling the driver to operate through an enabling output interface of the servo enabling unit 120. The servo enabling unit 120 includes:
an optical coupler 210, an input end of the optical coupler 210 is connected with the enabling interface;
the MOS tube 220 is connected to the output end of the optical coupler 210, an enable output interface of the MOS tube 220 is used for outputting the enable control signal to control the driver to operate, and the MOS tube 220 is an 8-channel receiver type DMOS transistor array.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the EtherCAT unit 100 is provided with a plurality of signal channels, and the signal channels include: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
a servo enabling unit 120 connected to the enabling interface, receiving and modulating the enabling control signal from the enabling interface, and controlling the driver to operate through an enabling output interface of the servo enabling unit 120;
an enable status indicator light connected to the servo enable unit 120 for displaying the operating status of the servo enable unit 120;
the power state indicator light is connected with the power unit 110 and used for displaying the working state of the power unit 110;
the EtherCAT status indicator light is connected with the EtherCAT unit 100 and is used for displaying the working status of the EtherCAT unit 100.
In one embodiment, the motor driving signal generating module based on EtherCAT protocol includes:
the EtherCAT unit 100 is provided with a plurality of signal channels, and the signal channels include: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit 110 is electrically connected with the EtherCAT unit 100, and the power supply unit 110 is used for supplying power to the EtherCAT unit 100;
a servo enabling unit 120 connected to the enabling interface, receiving and modulating the enabling control signal from the enabling interface, and controlling the driver to operate through an enabling output interface of the servo enabling unit 120;
an enable status indicator light connected to the servo enable unit 120 for displaying the operating status of the servo enable unit 120;
the power state indicator light is connected with the power unit 110 and used for displaying the working state of the power unit 110;
the EtherCAT state indicator light is connected with the EtherCAT unit 100 and is used for displaying the working state of the EtherCAT unit 100;
the operating states of the servo enable unit 120, the power supply unit 110, and the EtherCAT unit 100 include a first state and a second state.
The utility model also provides a motor drive equipment based on etherCAT agreement, including foretell motor drive signal generation module based on etherCAT agreement.
The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A motor drive signal generation module based on EtherCAT protocol, comprising:
EtherCAT unit is provided with a plurality of signal channel, signal channel includes: the device comprises a pulse interface, a direction interface and an enabling interface, wherein the pulse interface and the direction interface are used for connecting a driver;
the power supply unit is electrically connected with the EtherCAT unit and is used for supplying power to the EtherCAT unit;
and the servo enabling unit is connected with the enabling interface, receives and modulates the enabling control signal from the enabling interface, and controls the driver to work through the enabling output interface of the servo enabling unit.
2. The EtherCAT protocol-based motor drive signal generation module of claim 1, wherein the EtherCAT unit is provided with four of the signal channels.
3. The EtherCAT protocol-based motor drive signal generation module according to claim 1, wherein the pulse interface, the direction interface and the driver are connected by a differential method, a pulse signal differential line pair and a direction signal differential line pair are provided, and the EtherCAT unit transmits a pulse signal and a direction signal to the driver through the pulse signal differential line pair and the direction signal differential line pair.
4. The EtherCAT protocol-based motor drive signal generation module of claim 1, wherein the pulse interface, the direction interface and the driver are connected by a common positive method.
5. The EtherCAT protocol-based motor drive signal generation module of claim 1, wherein the servo enabling unit comprises:
the input end of the optical coupler is connected with the enabling interface;
and the MOS tube is connected with the output end of the optocoupler, and an enabling output interface of the MOS tube is used for outputting the enabling control signal to control the driver to work.
6. The EtherCAT protocol-based motor drive signal generation module of claim 5, wherein the MOS transistors are 8-channel receiver DMOS transistor arrays.
7. The EtherCAT protocol-based motor drive signal generation module of claim 1 or 2, further comprising:
the enabling state indicator light is connected with the servo enabling unit and used for displaying the working state of the servo enabling unit;
the power supply state indicator light is connected with the power supply unit and used for displaying the working state of the power supply unit;
and the EtherCAT state indicator light is connected with the EtherCAT unit and is used for displaying the working state of the EtherCAT unit.
8. The EtherCAT protocol-based motor drive signal generation module of claim 7, wherein the operating states of the servo enable unit, the power supply unit, and the EtherCAT unit comprise a first state and a second state.
9. A motor driving device based on the EtherCAT protocol, characterized by comprising the motor driving signal generating module based on the EtherCAT protocol according to any one of claims 1 to 8.
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| CN202122942945.3U CN218276519U (en) | 2021-11-25 | 2021-11-25 | Motor drive signal generation module and equipment based on etherCAT protocol |
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| CN202122942945.3U CN218276519U (en) | 2021-11-25 | 2021-11-25 | Motor drive signal generation module and equipment based on etherCAT protocol |
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