CN103559158B - A kind of electronic yarn clearer CAN interface circuit having instruction function - Google Patents
A kind of electronic yarn clearer CAN interface circuit having instruction function Download PDFInfo
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- CN103559158B CN103559158B CN201310474234.5A CN201310474234A CN103559158B CN 103559158 B CN103559158 B CN 103559158B CN 201310474234 A CN201310474234 A CN 201310474234A CN 103559158 B CN103559158 B CN 103559158B
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Abstract
nullThe invention discloses a kind of electronic yarn clearer CAN interface circuit having instruction function,The present invention includes the first resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5、6th resistance R6、7th resistance R7、8th resistance R8、9th resistance R9、Tenth resistance R10、First electric capacity C1、Second electric capacity C2、3rd electric capacity C3、4th electric capacity C4、First diode TVS1、Second diode TVS2、3rd diode TVS3、4th diode TVS4、CAN transceiver U1、Connector P CANH1、Connector P CANL1、Master control borad RJ1、NAND gate U2、First amplifier U3A、Second amplifier U3B (LM2904D)、First LED 1、Second LED 2.The components and parts mature and reliable that the present invention uses, with low cost, abundance.
Description
Technical field
The invention belongs to technical field of industrial control, relate to a kind of circuit, be specifically related to a kind of low cost and high reliability electronic yarn clearer CAN interface circuit having instruction function.
Background technology
Electronic yarn clearer, English is electronic yarn clearer, is detection and the electro-mechanical device cutting off yarn defect.Sensor is converted into the corresponding signal of telecommunication the thickness change of yarn, and signal controls executing agency after treatment is cut off the yarn defect of thick (carefully) degree and length of exceeding setting, removes yarn defect influential on product quality.Electronic yarn clearer is mainly made up of control system of machine, stage casing plate and executing agency.The CAN interface circuit of the band instruction function in the present invention belongs to control system of machine part, in circuit, single-ended CAN signal is converted into differential signal connection master control borad by CAN transceiver, CAN signal connects LED light by voltage follower and a NAND gate etc., makes this circuit with instruction function.This circuit also has the advantage such as low cost, high reliability.
Summary of the invention
The purpose of the present invention is exactly to design the signaling conversion circuit of a kind of tape light.
nullA kind of electronic yarn clearer CAN interface circuit having instruction function of the present invention,Including the first resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5、6th resistance R6、7th resistance R7、8th resistance R8、9th resistance R9、Tenth resistance R10、First electric capacity C1、Second electric capacity C2、3rd electric capacity C3、4th electric capacity C4、First diode TVS1、Second diode TVS2、3rd diode TVS3、4th diode TVS4、CAN transceiver U1(SN65HVD1050)、Connector P-CANH1、Connector P-CANL1、Master control borad RJ1(Hx-8)、NAND gate U2 (MC74HC03ADG)、First amplifier U3A (LM2904D)、Second amplifier U3B (LM2904D)、First LED 1、Second LED 2.
nullTransmitting terminal CAN TXD and one end of the second resistance R2、1 pin of CAN transceiver U1 connects，Receiving terminal CAN RXD and one end of the first resistance R1、4 pin of CAN transceiver U1 connect，The other end of the first resistance R1 and the other end of the second resistance R2、3 pin of CAN transceiver U1、One end of 3rd electric capacity C3、One end of 4th electric capacity C4 connects and connects+5V power supply，2 pin of CAN transceiver U1 and the other end of the 3rd electric capacity C3、The other end of the 4th electric capacity C4 connects and ground connection，8 pin of CAN transceiver U1 are connected with low power consumption control signal CAN S，7 pin of CAN transceiver U1 and 1 pin of connector P_CANH1、The negative electrode of the second diode TVS2、The negative electrode of the first diode TVS1 and positive differential signal CANH connect，6 pin of CAN transceiver U1 and 2 pin of connector P_CANL1、The negative electrode of the 3rd diode TVS3、The negative electrode of the 4th diode TVS4 and negative differential signal CANL connect，5 pin of CAN transceiver U1 and one end of the second electric capacity C2 connect，The other end ground connection of the second electric capacity C2，2 pin of connector P_CANH1 and one end of the 3rd resistance R3 connect，The other end of the 3rd resistance R3 and one end of the 4th resistance R4、One end of first electric capacity C1 connects，The other end ground connection of the first electric capacity C1，The other end of the 4th resistance R4 is connected with 1 pin of connector P_CANL1，The anode of the second diode TVS2 and the anode of the first diode TVS1、The anode of the 3rd diode TVS3、The anode of the 4th diode TVS4 and protecting field connect，Negative differential signal CANL connects 5 pin of master control borad PJ1，Positive differential signal CANH connects 4 pin of master control borad PJ1，The 1 of master control borad PJ1、2、3、6、7、8 pin ground connection simultaneously.
nullOne end of receiving terminal CAN RXD and the 7th resistance R7 connects，The other end of the 7th resistance R7 is connected with an input of amplifier U3A，Another input of amplifier U3A and one end of the 5th resistance R5 connect，The other end of the 5th resistance R5 and the output of amplifier U3A、1 pin of NAND gate U2 connects，One end of transmitting terminal CAN TXD and the tenth resistance R10 connects，The other end of the tenth resistance R10 is connected with an input of amplifier U3B，Another input of amplifier U3B and one end of the 9th resistance R9 connect，The other end of the 9th resistance R9 and 7 pin of amplifier U3B、4 pin of NAND gate U2 connect，2 pin of NAND gate U2 and 5 pin of NAND gate U2、14 pin of NAND gate U2 and+3.3V power supply connect，3 pin of NAND gate U2 and one end of the 6th resistance R6 connect，6 pin of NAND gate U2 and one end of the 8th resistance R8 connect，7 pin ground connection of NAND gate U2，13 pin of NAND gate U2 are connected with 12 pin of NAND gate U2 and ground connection，10 pin of NAND gate U2 are connected with 9 pin of U2 and ground connection，The other end of the 6th resistance R6 is connected with the negative electrode of indicator lamp LED1，The other end of the 8th resistance R8 is connected with the negative electrode of indicator lamp LED2，The anode of indicator lamp LED1 is connected with+3.3V power supply with the anode of indicator lamp LED2.
Beneficial effect: the components and parts mature and reliable that the present invention uses, with low cost, abundance.The CAN interface circuit of the band instruction function in the present invention belongs to control system of machine part; in circuit, single-ended CAN signal is converted into differential signal by CAN transceiver; 3rd resistance R3, the 4th resistance R4, the 3rd electric capacity C3 etc. form matching network; four TVS pipe carry out surge, electrostatic discharge (ESD) protection; CAN signal connects LED light by voltage follower and a NAND gate etc., makes this circuit with instruction function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention below in conjunction with the accompanying drawings.
nullAs shown in Figure 1，A kind of electronic yarn clearer CAN interface circuit having instruction function,Including the first resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5、6th resistance R6、7th resistance R7、8th resistance R8、9th resistance R9、Tenth resistance R10、First electric capacity C1、Second electric capacity C2、3rd electric capacity C3、4th electric capacity C4、First diode TVS1、Second diode TVS2、3rd diode TVS3、4th diode TVS4、CAN transceiver U1(SN65HVD1050)、Connector P-CANH1、Connector P-CANL1、Master control borad RJ1、NAND gate U2 (MC74HC03ADG)、First amplifier U3A (LM2904D)、Second amplifier U3B (LM2904D)、First LED 1、Second LED 2.
nullTransmitting terminal CAN TXD and one end of the second resistance R2、1 pin of CAN transceiver U1 connects，Receiving terminal CAN RXD and one end of the first resistance R1、4 pin of CAN transceiver U1 connect，The other end of the first resistance R1 and the other end of the second resistance R2、3 pin of CAN transceiver U1、One end of 3rd electric capacity C3、One end of 4th electric capacity C4 connects and connects+5V power supply，2 pin of CAN transceiver U1 and the other end of the 3rd electric capacity C3、The other end of the 4th electric capacity C4 connects and ground connection，8 pin of CAN transceiver U1 are connected with low power consumption control signal CAN S，7 pin of CAN transceiver U1 and 1 pin of connector P_CANH1、The negative electrode of the second diode TVS2、The negative electrode of the first diode TVS1 and positive differential signal CANH connect，6 pin of CAN transceiver U1 and 2 pin of connector P_CANL1、The negative electrode of the 3rd diode TVS3、The negative electrode of the 4th diode TVS4 and negative differential signal CANL connect，5 pin of CAN transceiver U1 and one end of the second electric capacity C2 connect，The other end ground connection of the second electric capacity C2，2 pin of connector P_CANH1 and one end of the 3rd resistance R3 connect，The other end of the 3rd resistance R3 and one end of the 4th resistance R4、One end of first electric capacity C1 connects，The other end ground connection of the first electric capacity C1，The other end of the 4th resistance R4 is connected with 1 pin of connector P_CANL1，The anode of the second diode TVS2 and the anode of the first diode TVS1、The anode of the 3rd diode TVS3、The anode of the 4th diode TVS4 and protecting field connect，Negative differential signal CANL connects 5 pin of master control borad PJ1，Positive differential signal CANH connects 4 pin of master control borad PJ1，The 1 of master control borad PJ1、2、3、6、7、8 pin ground connection simultaneously.
nullOne end of receiving terminal CAN RXD and the 7th resistance R7 connects，The other end of the 7th resistance R7 is connected with an input of amplifier U3A，Another input of amplifier U3A and one end of the 5th resistance R5 connect，The other end of the 5th resistance R5 and the output of amplifier U3A、1 pin of NAND gate U2 connects，One end of transmitting terminal CAN TXD and the tenth resistance R10 connects，The other end of the tenth resistance R10 is connected with an input of amplifier U3B，Another input of amplifier U3B and one end of the 9th resistance R9 connect，The other end of the 9th resistance R9 and 7 pin of amplifier U3B、4 pin of NAND gate U2 connect，2 pin of NAND gate U2 and 5 pin of NAND gate U2、14 pin of NAND gate U2 and+3.3V power supply connect，3 pin of NAND gate U2 and one end of the 6th resistance R6 connect，6 pin of NAND gate U2 and one end of the 8th resistance R8 connect，7 pin ground connection of NAND gate U2，13 pin of NAND gate U2 are connected with 12 pin of NAND gate U2 and ground connection，10 pin of NAND gate U2 are connected with 9 pin of U2 and ground connection，The other end of the 6th resistance R6 is connected with the negative electrode of indicator lamp LED1，The other end of the 8th resistance R8 is connected with the negative electrode of indicator lamp LED2，The anode of indicator lamp LED1 is connected with+3.3V power supply with the anode of indicator lamp LED2；8 pin of NAND gate U2,11 foot rests are empty.
In the present invention; the CAN interface circuit of band instruction function belongs to control system of machine part; in circuit, single-ended CAN signal is converted into differential signal by CAN transceiver; 3rd resistance R3, the 4th resistance R4, the 3rd electric capacity C3 etc. form matching network; four TVS pipe carry out surge, electrostatic discharge (ESD) protection; CAN signal connects LED light by voltage follower and a NAND gate etc., makes this circuit with instruction function.
Claims (1)
1. there is an electronic yarn clearer CAN interface circuit for instruction function, including the first resistance
R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the first electric capacity
C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the first diode TVS1, second
Diode TVS2, the 3rd diode TVS3, the 4th diode TVS4, CAN transceiver U1, connect
Plug-in unit P-CANH1, connector P-CANL1, master control borad RJ1, NAND gate U2, the first amplifier
U3A, the second amplifier U3B, first LED the 1, second LED 2；
It is characterized in that: transmitting terminal CAN TXD and one end of the second resistance R2, CAN transceiver U1
1 pin connect, receiving terminal CAN RXD and one end of the first resistance R1, the 4 of CAN transceiver U1
Pin connects, the other end of the first resistance R1 and the other end of the second resistance R2, CAN transceiver U1
3 pin, one end of the 3rd electric capacity C3, one end of the 4th electric capacity C4 connect and connect+5V power supply,
The other end of 2 pin of CAN transceiver U1 and the other end of the 3rd electric capacity C3, the 4th electric capacity C4 connects
Connecing and ground connection, 8 pin of CAN transceiver U1 are connected with low power consumption control signal CAN S, and CAN receives
Send out 7 pin and 1 pin of connector P_CANH1 of device U1, the negative electrode of the second diode TVS2, the
The negative electrode of one diode TVS1 and positive differential signal CANH connect, 6 pin of CAN transceiver U1 with
2 pin of connector P_CANL1, the negative electrode of the 3rd diode TVS3, the 4th diode TVS4
Negative electrode and negative differential signal CANL connect, 5 pin of CAN transceiver U1 and the one of the second electric capacity C2
End connects, the other end ground connection of the second electric capacity C2,2 pin of connector P_CANH1 and the 3rd resistance
One end of R3 connects, the other end of the 3rd resistance R3 and one end of the 4th resistance R4, the first electric capacity
One end of C1 connects, the other end ground connection of the first electric capacity C1, the other end of the 4th resistance R4 with connect
1 pin of plug-in unit P_CANL1 connects, the anode of the second diode TVS2 and the first diode TVS1
Anode, the anode of the 3rd diode TVS3, the anode of the 4th diode TVS4 and protecting field even
Connecing, negative differential signal CANL connects 5 pin of master control borad PJ1, and positive differential signal CANH connects main
4 pin of control plate PJ1, the 1 of master control borad PJ1,2,3,6,7,8 pin ground connection simultaneously；
One end of receiving terminal CAN RXD and the 7th resistance R7 connects, the other end of the 7th resistance R7
It is connected with an input of amplifier U3A, another input of amplifier U3A and the 5th electricity
One end of resistance R5 connects, and the other end of the 5th resistance R5 and the output of amplifier U3A are with non-
1 pin of door U2 connects, and one end of transmitting terminal CAN TXD and the tenth resistance R10 connects, the tenth electricity
The other end of resistance R10 is connected with an input of amplifier U3B, another of amplifier U3B
One end of input and the 9th resistance R9 connects, the other end of the 9th resistance R9 and amplifier U3B
7 pin, 4 pin of NAND gate U2 connect, 2 pin of NAND gate U2 and 5 pin of NAND gate U2,
14 pin of NAND gate U2 and+3.3V power supply connect, 3 pin of NAND gate U2 and the 6th resistance R6
One end connect, one end connection of 6 pin of NAND gate U2 and the 8th resistance R8, NAND gate U2
7 pin ground connection, 13 pin of NAND gate U2 are connected with 12 pin of NAND gate U2 and ground connection, NAND gate
10 pin of U2 are connected with 9 pin of U2 and ground connection, the other end of the 6th resistance R6 and indicator lamp LED1
Negative electrode connect, the other end of the 8th resistance R8 is connected with the negative electrode of indicator lamp LED2, indicator lamp
The anode of LED1 is connected with+3.3V power supply with the anode of indicator lamp LED2；8 pin of NAND gate U2,
11 foot rests are empty.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474234.5A CN103559158B (en) | 2013-10-12 | 2013-10-12 | A kind of electronic yarn clearer CAN interface circuit having instruction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474234.5A CN103559158B (en) | 2013-10-12 | 2013-10-12 | A kind of electronic yarn clearer CAN interface circuit having instruction function |
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| CN103559158A CN103559158A (en) | 2014-02-05 |
| CN103559158B true CN103559158B (en) | 2016-08-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152310A1 (en) * | 2016-03-05 | 2017-09-14 | 马骏 | Fully automatic sealing system based on can bus communication technology |
| CN106992508A (en) * | 2017-04-20 | 2017-07-28 | 天索（苏州）控制技术有限公司 | Non-isolated CAN overvoltage crowbar |
| CN107861457B (en) * | 2017-11-08 | 2023-08-01 | 江苏驷博电气有限公司 | Programmable logic control module |
| CN108039979A (en) * | 2018-01-03 | 2018-05-15 | 深圳市欣横纵技术股份有限公司 | A kind of physical protection operation management system |
| CN115348129B (en) * | 2022-07-20 | 2023-08-15 | 西安电子科技大学芜湖研究院 | CAN transceiver receiving circuit |
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| CN2749168Y (en) * | 2004-08-25 | 2005-12-28 | 上海协同科技股份有限公司 | A display module for terminal of power load monitoring and management system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749168Y (en) * | 2004-08-25 | 2005-12-28 | 上海协同科技股份有限公司 | A display module for terminal of power load monitoring and management system |
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| Title |
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| 基于CAN总线的智能数据采集模块的设计与实现;姜波;《中国优秀硕士学位论文全文数据库》;20070131;全文 * |
| 基于P89LPC932单片机的温度数显表设计;秦健;《中国仪器仪表》;20040825(第08期);全文 * |
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Address after: 312500 No. 127, Renmin East Road, Xinchang County, Zhejiang, Shaoxing Applicant after: ZHEJIANG JINMA AUTOMATION TECHNOLOGY CO., LTD. Address before: 312500 No. 127, Renmin East Road, Xinchang County, Zhejiang, Shaoxing Applicant before: Xinchang Jin Ma Science and Technology Ltd. |
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