CN216850741U - Laser optical module control circuit and laser - Google Patents
Laser optical module control circuit and laser Download PDFInfo
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- CN216850741U CN216850741U CN202123455642.5U CN202123455642U CN216850741U CN 216850741 U CN216850741 U CN 216850741U CN 202123455642 U CN202123455642 U CN 202123455642U CN 216850741 U CN216850741 U CN 216850741U
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Abstract
The embodiment of the utility model provides a laser light module control circuit and laser instrument, this laser light module control circuit include two at least laser modules and laser control module, and the laser module is connected with the laser control module through differential data bus module, the slave station interface connection of laser module and differential data bus module, laser control module and differential data bus's main website interface connection. In the technical scheme of this embodiment, through the control circuit structural style that adopts differential data bus, every laser module only needs to connect a signal interface line, is favorable to the extension of laser module, reduces the wiring mistake, can reduce the laser control system design degree of difficulty, and through the control chip quantity of the laser control module who saves the laser instrument, can reach the effect of practicing thrift the cost moreover.
Description
Technical Field
The embodiment of the utility model provides a but not limited to laser technical field especially relates to a laser instrument optical module control circuit and laser instrument.
Background
The main mode that current a plurality of laser instrument module connects carries out hardware IO wiring connection to every module through hardware IO interface, and this mode can appear that hardware interface is many and complicated, connect wrong circuit easily, cause the problem that the laser instrument damaged, and the wire rod interference killing feature that hardware directly links is not strong moreover, there is error or wrong control signal to control signal's transmission, and then the hardware IO interface is numerous, cause the difficulty to laser instrument control system's design, surpass control chip's IO quantity requirement easily.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
In a first aspect, an embodiment of the present invention provides a laser light module control circuit, including:
the laser control system comprises at least two laser modules and a laser control module, wherein the laser modules are connected with the laser control module through a differential data bus module, the laser modules are connected with slave station interfaces of the differential data bus module, and the laser control module is connected with a master station interface of the differential data bus.
In one embodiment, the laser module includes a module control board, the module control board includes a slave micro-control unit and a slave differential driving unit connected to the slave micro-control unit, and the differential driving unit is connected to the slave interface of the differential data bus module.
In an embodiment, the slave micro control unit includes a first input/output port, a first output port, and a first input port, and the slave differential driving unit includes a first slave differential driving unit connected to the first input/output port and the first output port, and a second slave differential driving unit connected to the first input port.
In an embodiment, the first slave differential driver unit includes a first driver input port connected to the first output port, a first transmit enable port connected to the first input/output port, a first receive enable port RE1 for being tied high, a first receive differential signal port connected to the slave interface of the differential data bus module, and a first transmit differential signal port.
In an embodiment, the second slave differential driver unit includes a second receiver output port connected to the first input port, a second receive enable port and a second transmit enable port for receiving a low level, and a second receive differential signal port and a second transmit differential signal port connected to the slave interface of the differential data bus module.
In one embodiment, the laser control module includes a host micro-control unit and a host differential driving unit connected to the host micro-control unit, and the host differential driving unit is connected to a master station interface of the differential data bus module.
In an embodiment, the host micro control unit includes a second input/output port, a second output port, and a second input port, and the host differential driving unit includes a first host differential driving unit connected to the second input/output port and the second output port, and a second host differential driving unit connected to the second input port.
In an embodiment, the first host differential driver unit includes a fourth driver input port connected to the second output port, a fourth transmit enable port connected to the second input/output port, a fourth receive enable port for being connected to a high level, a fourth receive differential signal port connected to a slave interface of the differential data bus module, and a fourth transmit differential signal port.
In an embodiment, the second host differential driving unit includes a third receiver output port connected to the second input port, a third receive enable port and a third transmit enable port for receiving a low level, and a third receive differential signal port and a third transmit differential signal port connected to a master station interface of the differential data bus module.
In one embodiment, the differential data bus module is an RS422 differential data bus.
In one embodiment, the slave differential driving unit is a MAX4852 differential driving chip.
In one embodiment, the host differential driver unit is a MAX4852 differential driver chip.
In a second aspect, an embodiment of the present invention provides a laser, including the first aspect, a laser light module control circuit.
The embodiment of the utility model discloses laser light module control circuit and laser instrument, this laser light module control circuit include two at least laser modules and laser control module, and the laser module is connected with the laser control module through differential data bus module, the slave station interface connection of laser module and differential data bus module, laser control module and differential data bus's main website interface connection. In the technical scheme of this embodiment, through the control circuit structural style that adopts differential data bus, every laser module only needs to connect a signal interface line, is favorable to the extension of laser module, reduces the wiring mistake, can reduce the laser control system design degree of difficulty, and through the control chip quantity of the laser control module who saves the laser instrument, can reach the effect of practicing thrift the cost moreover.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic structural diagram of a laser light module control circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a laser light module control circuit according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a laser module of a laser light module control circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a laser control module of a laser light module control circuit according to an embodiment of the present invention.
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 for purposes of illustration only and are not intended to limit the invention.
It should be noted that although functional blocks are partitioned in a schematic diagram of an apparatus and a logical order is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the partitioning of blocks in the apparatus or the order in the flowchart. The terms "first," "second," and the like in the description, in the claims, or in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The main mode that current a plurality of laser instrument module connects carries out hardware IO wiring connection to every module through hardware IO interface, and this mode can appear that hardware interface is many and complicated, connect wrong circuit easily, cause the problem that the laser instrument damaged, and the wire rod interference killing feature that hardware directly links is not strong moreover, there is error or wrong control signal to control signal's transmission, and then the hardware IO interface is numerous, cause the difficulty to laser instrument control system's design, surpass control chip's IO quantity requirement easily.
In order to solve the above-mentioned problem, the embodiment of the present invention provides a laser light module control circuit and laser, and this laser includes laser light module control circuit, and laser light module control circuit includes: the laser control system comprises at least two laser modules and a laser control module, wherein the laser modules are connected with the laser control module through a differential data bus module, the laser modules are connected with slave station interfaces of the differential data bus module, and the laser control module is connected with a master station interface of the differential data bus module. In the technical scheme of this embodiment, through the control circuit structural style that adopts differential data bus, every laser module only needs to connect a signal interface line, is favorable to the extension of laser module, reduces the wiring mistake, can reduce the laser control system design degree of difficulty, and through the control chip quantity of the laser control module who saves the laser instrument, can reach the effect of practicing thrift the cost moreover.
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a control circuit for a laser light module according to an embodiment of the present invention.
The laser light module control circuit includes: at least two laser module LM and laser control module LC, laser module LM is connected with laser control module LC through differential data bus module BM, and laser module LM and differential data bus module BM's slave station interface connection, laser control module LC and differential data bus BM's master station interface connection. In the technical scheme of this embodiment, through the control circuit structural style who adopts differential data bus, every laser module LM only needs to connect a signal interface line, is favorable to the extension of laser module LM, reduces the wiring mistake, can reduce the laser control system design degree of difficulty, and through the control chip quantity of the laser control module LC who saves the laser instrument, can reach the effect of practicing thrift the cost moreover.
Referring to fig. 2, the laser optical module control circuit may be provided with a plurality of laser modules LM and a laser control module LC, each laser module LM having a module control board MC; the laser control board and the module control board MC of the laser module LM are connected by an RS422 differential data bus, wherein the laser control module LC is used as a communication master station of the RS422 differential data bus, the N module control boards MC are used as communication slave stations of the RS422 differential data bus, and the addresses of the slave station modules are set to be different. The laser module LM is monitored through the RS422 bus interface differential line, so that the anti-interference performance of laser data transmission can be enhanced. It should be noted that the differential data bus module may be not only an RS422 differential data bus, but also other bus modules capable of being differentially connected with the laser module LM, and this embodiment does not limit this.
Referring to fig. 3, the laser module includes a module control board including a slave micro-control unit and a slave differential driving unit connected to the slave micro-control unit, the differential driving unit being connected to a slave interface of the differential data bus module.
In an embodiment, the slave MCU1 includes a first input/output port IO1, a first output port TX1 and a first input port RX1, and the slave differential driving unit includes a first slave differential driving unit IC1 connected to the first input/output port I O1 and the first output port TX1, and a second slave differential driving unit IC2 connected to the first input port RX 1. For example: the first slave differential drive unit IC1 includes a first driver input port DI 1 connected to the first output port TX1, a first transmission enable port DE1 connected to the first input/output port IO1, a first reception enable port RE1 for receiving a high level, a first reception differential signal port a1 and a first transmission differential signal port B1 connected to the slave station interface of the differential data bus module, and the second slave differential drive unit IC2 includes a second receiver output port RO2 connected to the first input port RX1, a second reception enable port RE2 and a second transmission enable port DE2 for receiving a low level, and a second reception differential signal port a2 and a second transmission differential signal port B2 connected to the slave station interface of the differential data bus module.
For example, the module control board is composed of two MAX4852 (slave differential driving unit) and a slave MCU (slave micro control unit), the two MAX4852 are IC1 and IC2 in the figure, respectively, where IC1 is responsible for transmitting data, transmit data enable (DE 1 of IC 1) and real-time data are controlled by the slave MCU, and meanwhile, the receive enable pin (RE 1 of IC 1) of the chip is connected to +5V, and the receive data function of the chip is disabled; the IC2 is responsible for receiving data and sending the received data to the slave MCU for processing, and since the chip's receive enable and enable transmit (RE 2 of IC 2) pins are tied to GND, the IC2 is disabled from transmitting and is always in a receive state.
It should be noted that the slave differential driving unit may be a MAX4852 differential driving chip, or may be a MAX485 differential driving chip, which is not specifically limited in this embodiment.
Referring to fig. 4, the laser control module includes a host MCU2 and a host differential driver connected to the host MCU2, and the host differential driver is connected to a master interface of the differential data bus module.
In an embodiment, the host MCU2 includes a second input/output port IO2, a second output port TX2, and a second output port RX2, and the host differential driving unit includes a first host differential driving unit IC3 connected to the second input/output port IO2 and the second output port TX2, and a second host differential driving unit IC4 connected to the second output port RX 2. For example: the first host differential driving unit IC3 includes a fourth driver input port DI4 connected to the second output port TX2, a fourth transmit enable port DE4 connected to the second input output port IO2, a fourth receive enable port RE4 for being tied high, a fourth receive differential signal port a4 and a fourth transmit differential signal port B4 connected to the slave interface of the differential data bus module. The second host differential drive unit IC4IC4 includes a third receiver output port RO3 connected to the second output port RX2, a third receive enable port RE3 and a third transmit enable port DE3 for receiving a low level, and a third receive differential signal port a3 and a third transmit differential signal port B3 connected to the master interface of the differential data bus module.
In one embodiment, the host MCU comprises two MAX4852 and a host MCU, the two MAX4852 comprises an IC3 and an IC4, wherein the IC4 is responsible for transmitting data, the transmit data enable (DE 4 of IC 4) and the real-time data are controlled by the host MCU, and the receive enable pin (RE 4 of IC 4) of the chip is connected to +5V, and the receive data function of the chip is disabled. The IC3 is responsible for receiving data and sending the received data to the slave MCU for processing, and since the chip's receive enable and enable transmit (RE 3 of IC 3) pins are tied to GND, the IC2 is disabled from transmitting and is always in a receive state.
It should be noted that the host differential driving unit may be a MAX4852 differential driving chip, or a MAX485 differential driving chip, which is not specifically limited in this embodiment.
The working principle in the above embodiment is as follows:
under the condition that a laser control module needs to send data to a module control board, firstly, the laser control module as a communication master station of an RS422 differential data bus can start the transmission enabling of MAX4852 (DE 4 of IC4 of the laser control module), and then a message is transmitted on the RS422 bus, wherein the message carries a module address of a corresponding module control board; when the address on the message corresponds to the module address of the module control board, the laser control module sends the data to the module control board corresponding to the module address; the other module control boards do not process the received data because the module addresses are not right; the data writing to the module control board can be sequentially and circularly carried out according to the principle.
Under the condition that a laser control board needs to receive data sent by a module control board, firstly, the laser control module as a communication master station of an RS422 differential data bus can turn on the receiving enabling of MAX4852 (DE 4 of IC4 of the laser control module), and then a message is transmitted on the RS422 bus, wherein the message carries a module address of the corresponding module control board; when the address on the message corresponds to the module address of the module control board, the corresponding module control board turns on the transmission enable (DE 1 of the IC1 of the module control board) and transmits data to the laser control board; the other module control boards close the sending enable because the addresses are not right, and the data can not be transmitted to the RS422 bus; according to the principle, the laser control module can sequentially and circularly receive data of the module control board.
Additionally, the embodiment of the utility model provides a laser instrument is still provided, including the laser instrument light module control circuit of above-mentioned embodiment, the technological means that this laser instrument used, the technical problem of solution and the technological effect who reaches are unanimous with the laser instrument light module control circuit of above-mentioned embodiment, and no longer the repeated description here.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A laser light module control circuit, comprising:
the laser control system comprises at least two laser modules and a laser control module, wherein the laser modules are connected with the laser control module through a differential data bus module, the laser modules are connected with slave station interfaces of the differential data bus module, and the laser control module is connected with a master station interface of the differential data bus.
2. The laser light module control circuit of claim 1 wherein the laser module includes a module control board, the module control board including a slave micro-control unit and a slave differential drive unit connected to the slave micro-control unit, the differential drive unit being connected to a slave station interface of the differential data bus module.
3. The laser optical module control circuit of claim 2, wherein the slave micro control unit includes a first input-output port, a first output port, and a first input port, and the slave differential drive unit includes a first slave differential drive unit connected to the first input-output port and the first output port, and a second slave differential drive unit connected to the first input port.
4. The laser optical module control circuit of claim 3 wherein the first slave differential drive unit includes a first driver input port connected to the first output port, a first transmit enable port connected to the first input output port, a first receive enable port RE1 for high, a first receive differential signal port connected to a slave interface of the differential data bus module, and a first transmit differential signal port.
5. The laser optical module control circuit of claim 3 wherein the second slave differential drive unit includes a second receiver output port connected to the first input port, a second receive enable port and a second transmit enable port for low level interfacing, a second receive differential signal port and a second transmit differential signal port connected to a slave interface of the differential data bus module.
6. The laser optical module control circuit of claim 1, wherein the laser control module comprises a host micro-control unit and a host differential drive unit coupled to the host micro-control unit, the host differential drive unit being coupled to a master station interface of the differential data bus module.
7. The laser optical module control circuit of claim 6 wherein the host micro-control unit includes a second input-output port, a second output port, and a second input port, the host differential drive unit including a first host differential drive unit connected to the second input-output port and the second output port and a second host differential drive unit connected to the second input port.
8. The laser optical module control circuit of claim 7, wherein the first host differential drive unit includes a fourth driver input port connected to the second output port, a fourth transmit enable port connected to the second input-output port, a fourth receive enable port for high-interfacing, a fourth receive differential signal port connected to a slave interface of the differential data bus module, and a fourth transmit differential signal port.
9. The laser optical module control circuit of claim 7, wherein the second host differential driving unit comprises a third receiver output port connected to the second input port, a third receive enable port and a third transmit enable port for receiving a low level, and a third receive differential signal port and a third transmit differential signal port connected to a master interface of the differential data bus module.
10. A laser comprising the laser light module control circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455642.5U CN216850741U (en) | 2021-12-31 | 2021-12-31 | Laser optical module control circuit and laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455642.5U CN216850741U (en) | 2021-12-31 | 2021-12-31 | Laser optical module control circuit and laser |
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| CN216850741U true CN216850741U (en) | 2022-06-28 |
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| CN202123455642.5U Active CN216850741U (en) | 2021-12-31 | 2021-12-31 | Laser optical module control circuit and laser |
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Address after: 516000 No. 2, Xinle 4th Road, Xinle industrial city, Ma'an Town, Huicheng District, Huizhou City, Guangdong Province (plant) Patentee after: Guangdong Shunyuan Laser Technology Co.,Ltd. Address before: 516000 No. 2, Xinle 4th Road, Xinle industrial city, Ma'an Town, Huicheng District, Huizhou City, Guangdong Province (plant) Patentee before: Guangdong Liyuanheng Technology Co.,Ltd. |
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