CN2807318Y - DC power source remote control device - Google Patents

DC power source remote control device Download PDF

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Publication number
CN2807318Y
CN2807318Y CN 200520078975 CN200520078975U CN2807318Y CN 2807318 Y CN2807318 Y CN 2807318Y CN 200520078975 CN200520078975 CN 200520078975 CN 200520078975 U CN200520078975 U CN 200520078975U CN 2807318 Y CN2807318 Y CN 2807318Y
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China
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pin
tlp521
chip microcomputer
circuit
max232
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Expired - Fee Related
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CN 200520078975
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Chinese (zh)
Inventor
闫怀海
高大庆
张显来
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Institute of Modern Physics of CAS
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Institute of Modern Physics of CAS
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Priority to CN 200520078975 priority Critical patent/CN2807318Y/en
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Abstract

The utility model relates to a power supply remote controller which is on the basis of an 8 bit single-chip microcomputer. The remote control and the remote testing of a high-precision and high-stability DC constant-current power supply or regulated power supply are realized under the control of a main control computer. A DC power source remote controller comprises a single-chip microcomputer (1), wherein an address bus (10) of the single-chip microcomputer (1) is connected with an address decoder (3) and a data storage device (4). The utility model is characterized in that the decoding output end of the address decoder (3) is respectively used as the gating addresses of the data storage device (4), a digital-to-analogue converter circuit (5), an analogue-to-digital conversion circuit (6), a state quantity input circuit (7) and a switching value output circuit (8), an 8 bit data bus (9) of the single-chip microcomputer (1) is respectively connected with a data storage device (4), the digital-to-analogue converter circuit (5), the analogue-digital conversion circuit (6), the state quantity input circuit (7) and the switching value output circuit (8), and the serial port of the single-chip microcomputer (1) is connected with a communication interface circuit (2). The utility model realizes the remote distribution control of the high-precision and high-stability DC constant-current or regulated power supply. The data communication has reliable control, the control command has right response, the interference rejection is good and the remote control reference has high secular stability.

Description

The direct supply remote controllers
Technical field:
The utility model relates to a kind of developing Of Remote Control Power device based on 8 single-chip microcomputers, under the control of main control computer, realizes Long-distance Control and remote testing to high precision high stability degree dc current stabilized power supply or stabilized voltage supply.
Background technology:
At present, controller based on 8 single-chip microcomputers is only monitored the running status of power supply, can not regulate output current/voltage, the remote voltage reference resolution of output is lower or long-term stability is relatively poor, electric current and magnitude of voltage retaking of a year or grade precision to direct supply output are lower, can not satisfy high precision high stability degree dc current stabilized power supply or stabilized voltage supply, as: output current or voltage long-term stability are less than 1 * 10 -4The requirement of Long-distance Control.
The utility model content:
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of direct supply remote controllers is provided, under the control of main control computer, to realize Long-distance Control and the remote testing to high precision high stability degree dc current stabilized power supply or stabilized voltage supply.By the RS-485 communication interface of controller, be easy to form distributed network control.The function of the utility model is integrated remote data communication, the input of Long-distance Control quantity of state, switching value output.
The purpose of this utility model can be by realizing by the following technical solutions: a kind of direct supply remote controllers, include single-chip microcomputer (1), address bus (10) the link address code translator (3) of single-chip microcomputer (1) and data storage (4), its principal feature be also include address decoder (3) the decoding output terminal respectively as the gating address of data storage (4), D/A converting circuit (5), analog to digital conversion circuit (6), quantity of state input circuit (7) and switching value output circuit (8); 8 bit data bus (9) of single-chip microcomputer (1) connect data storage (4), D/A converting circuit (5), analog to digital conversion circuit (6), quantity of state input circuit (7), switching value output circuit (8) respectively; The serial port of single-chip microcomputer (1) is connected with communication interface circuit (2).
The single-chip microcomputer of described direct supply remote controllers (1) is AT89C51.
The communication interface circuit of described direct supply remote controllers (2), its communication character is by J 1Receive J 15 pin ground connection and pass through C 10Be connected in 6 pin of MAX232, at J 15 pin and 2 pin of MAX232 between be provided with C 7, C 9, add 5V voltage at 16 pin of MAX232, be provided with C between 1 pin of MAX232 and 3 pin 11, be provided with C between 4 pin of MAX232 and 5 pin 12, the 15 pin ground connection of MAX232; J 12 pin by selector switch K 2Connect 14 pin of MAX232 or 7 pin of MAX485; J 13 pin by selector switch K 1Connect 13 pin of MAX232 or 6 pin of MAX485; 4,1 pin of MAX485 and 11,12 pin of MAX232 link to each other with 11,10 pin of single chip computer AT 89C51 respectively, are provided with C between 5,8 pin of MAX485 34, 8 pin add 5V voltage, 5 pin ground connection, and the connection of 2,3 pin meets single-chip microcomputer (1) AT89C51.
The data communication of the full duplex RS232 standard of MAX232 realization and main control computer, the data communication of the half-duplex standard of MAX485 realization and main control computer.Communication interface is a standard communication interface, is easy to constitute the multiple machine distributing Control Network.
The communication character of described communication interface circuit (2) is by J 2Receive J 21,2 pin be connected in 12,11 pin of MAX491 respectively, be provided with R therebetween 1J 23,4 pin be connected in 10,9 pin of MAX491 respectively, be provided with R therebetween 22,5 pin of MAX491 pass through K switch respectively 3, K 4Link to each other with 11,10 pin of single chip computer AT 89C51,3,6,7 pin of MAX491 are communicated with ground connection, and 4,14 pin are communicated with and add 5V voltage and pass through C 13Ground connection.
The switching value output circuit (8) of direct supply remote controllers, the data line D of 8 bit data bus (9) of single-chip microcomputer (1) 0-D 7Be connected with the data input pin of latch 74HC377,11 pin of 74HC377 are connected with single-chip microcomputer (1) 16 pin; 12,15,16,19 ends of latch 74HC377 connect photoisolator U 128,6,4,2 pin of TLP521-4 are at U 12Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 7, R 8, R 9, R 10With light emitting diode D 1, D 2, D 3, D 4At U 12Be connected in series R respectively between 10,12,14,16 pin of TLP521-4 and the+5V 18, R 17, R 16, R 15, its pin 9,11,13,15 output+5V level.
2,5,6,9 ends that described switching value output circuit (8) also includes latch 74HC377 connect photoisolator U 138,6,4,2 pin of TLP521-4 are at U 13Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 14, R 13, R 12, R 11With light emitting diode D 33, D 32, D 31, D 30U 13Be connected in series R respectively between 16,14 pin of TLP521-4 and the+5V 19, R 20, its pin 13,15 output+5V level.
Switching value output circuit (8) latch 74HC377 expands one 8 bit parallel delivery outlet, isolates through photoisolator TLP521-4, and the indication of TLP521-4 input end series LED is provided+output of 5V level or driving midget relay.
Quantity of state input circuit of the present utility model (7), input signal is connected in series R respectively 43, R 44, R 45, R 46With light emitting diode D 13, D 14, D 15, D 16Photoisolator U is inserted in the back 141,3,5,7 pin of TLP521-4, its U 142,4,6,8 pin of TLP521-4 connect the ICOM end; U 1416,14,12,10 pin of TLP521-4 are connected in 2,4,6,8 pin of bus driver 74HC244; At U 14TLP521-4 16,14,12,10 with+5V between be connected in series R respectively 27, R 28, R 29, R 30, its pin 15,13,11,9 ground connection; D in the output terminal 18,16,14,12 of bus driver 74HC244 and 8 bit data bus (9) of single-chip microcomputer (1) 0-D 3Connect.
Described quantity of state input circuit (7), input signal is connected in series R respectively 47, R 48, R 49, R 50With light emitting diode D 17, D 18, D 19, D 20Photoisolator U is inserted in the back 151,3,5,7 pin of TLP521-4, its U 152,4,6,8 pin of TLP521-4 connect the ICOM end; U 1516,14,12,10 pin of TLP521-4 are connected in 11,13,15,17 pin of bus driver 74HC244; At U 15TLP521-4 16,14,12,10 and+pass through R respectively between the 5V 31, R 32, R 33, R 34, its pin 15,13,11,9 ground connection; D in output terminal 9,7,5,3 pin of bus driver 74HC244 and 8 bit data bus (9) of single-chip microcomputer (1) 4-D 7Connect; 20 pin of bus driver 74HC244 meet P+5V and pass through C 35Ground connection, 1, the connection of 19 pin meets 244G 1
Quantity of state input circuit (7) by 8 line state amount input signals through photoisolator TLP521-4 isolate the back by the bus driver parallel transfer to data bus, every line state amount is imported series LED and is indicated.
The beneficial effects of the utility model are to have realized the long-distance distribution control to high precision high stability degree direct current current stabilization or stabilized voltage supply.Each functional module is stable, develops different Control Software, has reached the control corresponding purpose; The control data reliable communications, the control command response is correct, has good antijamming capability; Control benchmark long-term stability height far away, its leading indicator is: 1. load capacity is 10V/10mA, the 0-10V programming is adjustable; 2. long-term stability is 2 * 10 -53. nonlinearity erron is 2 * 10 -44. gain error is 1 * 10 -55. repetitive error is 5 * 10 -56. temperature coefficient is 3ppm/ ℃; 7. resolution is 16.
Have following major function:
1.+and output of 5V level and the output of relay contact switch amount, configuration relay status LED light;
2. 8 road light isolation amounts input, and configuration status amount LED indication;
3. one tunnel 16 bit resolution analog quantity output, unipolarity output area 0～+ 10V, bipolarity output area-10V～+ 10V, output current 10mA;
4. the power supply service data stored record of 4KB capacity;
5. standard RS232 and RS485 remote communication interface are easy to realize multiple machine distributing control;
6. the function of power supply monitoring;
7. the pattern that adopts mimic channel and digital circuit to power respectively;
8. good antijamming capability.
Description of drawings:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
Fig. 1 is a controller function block diagram of the present utility model.
Fig. 2 is a controller communicating circuit schematic diagram of the present utility model.
Fig. 3 is switching value output principle figure of the present utility model.
Fig. 4 is a quantity of state input schematic diagram of the present utility model.
Embodiment:
A kind of high-precision power remote controllers based on the MSC51 series monolithic adopt double-deck printed board structure, and two-layer printed board connects by 34 needle sockets, strengthen the compactedness of structure, reduce the planar dimension of controller, are fit to the 3U standard PC case and use.Each functional module data input is connected with the data bus of single chip computer AT 89C51, and AT89C51 is the core component of controller, and the Control Software of its burning realizes the control to each functional module.
See Fig. 1, controller function block diagram of the present utility model.Single-chip microcomputer 1 is AT89C51, the address bus 10 link address code translators 3 and the data storage 4 of single-chip microcomputer 1, the decoding output terminal of address decoder 3 are respectively as the gating address of data storage 4, D/A converting circuit 5, analog to digital conversion circuit 6, quantity of state input circuit 7 and switching value output circuit 8; 8 bit data bus 9 of single-chip microcomputer 1 connect data storage 4, D/A converting circuit 5, analog to digital conversion circuit 6, quantity of state input circuit 7, switching value output circuit 8 respectively; The serial port of single-chip microcomputer 1 is connected with communication interface circuit 2.
See Fig. 2 controller Principle of Communication of the present utility model figure.Communication interface circuit 2, its communication character is by J 1Receive J 15 pin ground connection and pass through C 10Be connected in 6 pin of MAX232, at J 15 pin and 2 pin of MAX232 between be provided with C 7, C 9, add 5V voltage at 16 pin of MAX232, be provided with C between 1 pin of MAX232 and 3 pin 11, be provided with C between 4 pin of MAX232 and 5 pin 12, the 15 pin ground connection of MAX232; J 12 pin by selector switch K 2Connect 14 pin of MAX232 or 7 pin of MAX485; J 13 pin by selector switch K 1Connect 13 pin of MAX232 or 6 pin of MAX485; 4,1 pin of MAX485 and 11,12 pin of MAX232 link to each other with 11,10 pin of single chip computer AT 89C51 respectively, are provided with C between 5,8 pin of MAX485 34, 8 pin add 5V voltage, 5 pin ground connection, and the connection of 2,3 pin meets single-chip microcomputer 1AT89C51.
The communication character of communication interface circuit 2 is by J 2Receive J 21,2 pin be connected in 12,11 pin of MAX491 respectively, be provided with R therebetween 1J 23,4 pin be connected in 10,9 pin of MAX491 respectively, be provided with R therebetween 22,5 pin of MAX491 pass through K switch respectively 3, K 4Link to each other with 11,10 pin of single chip computer AT 89C51,3,6,7 pin of MAX491 are communicated with ground connection, and 4,14 pin are communicated with and add 5V voltage and pass through C 13Ground connection.
See Fig. 3 switching value output principle of the present utility model figure.The data line D of 8 bit data bus 9 of single-chip microcomputer 1 0-D 7Be connected with the data input pin of latch 74HC377,11 pin of 74HC377 are connected with single-chip microcomputer 16 pin; 12,15,16,19 ends of latch 74HC377 connect photoisolator U 128,6,4,2 pin of TLP521-4 are at U 12Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 7, R 8, R 9, R 10With light emitting diode D 1, D 2, D 3, D 4At U 12Be connected in series R respectively between 10,12,14,16 pin of TLP521-4 and the+5V 18, R 17, R 16, R 15, its pin 9,11,13,15 output+5V level.2,5,6,9 ends of latch 74HC377 connect photoisolator U 138,6,4,2 pin of TLP521-4 are at U 13Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 14, R 13, R 12, R 11With light emitting diode D 33, D 32, D 31, D 30U 13Be connected in series R respectively between 16,14 pin of TLP521-4 and the+5V 19, R 20, its pin 13,15 output+5V level.
See Fig. 4 quantity of state input of the present utility model schematic diagram.Quantity of state input circuit 7, input signal are connected in series R respectively 43, R 44, R 45, R 46With light emitting diode D 13, D 14, D 15, D 16Photoisolator U is inserted in the back 141,3,5,7 pin of TLP521-4, its U 142,4,6,8 pin of TLP521-4 connect the ICOM end; U 1416,14,12,10 pin of TLP521-4 are connected in 2,4,6,8 pin of bus driver 74HC244; At U 14TLP521-4 16,14,12,10 with+5V between be connected in series R respectively 27, R 28, R 29, R 30, its pin 15,13,11,9 ground connection; D in the output terminal 18,16,14,12 of bus driver 74HC244 and 8 bit data bus 9 of single-chip microcomputer 1 0-D 3Connect.Input signal is connected in series R respectively 47, R 48, R 49, R 50With light emitting diode D 17, D 18, D 19, D 20Photoisolator U is inserted in the back 151,3,5,7 pin of TLP521-4, its U 152,4,6,8 pin of TLP521-4 connect the ICOM end; U 1516,14,12,10 pin of TLP521-4 are connected in 11,13,15,17 pin of bus driver 74HC244; At U 15TLP521-4 16,14,12,10 and+pass through R respectively between the 5V 31, R 32, R 33, R 34, its pin 15,13,11,9 ground connection; D in output terminal 9,7,5,3 pin of bus driver 74HC244 and 8 bit data bus 9 of single-chip microcomputer 1 4-D 7Connect; 20 pin of bus driver 74HC244 meet P+5V and pass through C 35Ground connection, 1, the connection of 19 pin meets 244G 1

Claims (8)

1. direct supply remote controllers, include single-chip microcomputer (1), address bus (10) the link address code translator (3) of single-chip microcomputer (1) and data storage (4), the decoding output terminal that it is characterized in that also including address decoder (3) are respectively as the gating address of data storage (4), D/A converting circuit (5), analog to digital conversion circuit (6), quantity of state input circuit (7) and switching value output circuit (8); 8 bit data bus (9) of single-chip microcomputer (1) connect data storage (4), D/A converting circuit (5), analog to digital conversion circuit (6), quantity of state input circuit (7), switching value output circuit (8) respectively; The serial port of single-chip microcomputer (1) is connected with communication interface circuit (2).
2. direct supply remote controllers as claimed in claim 1 is characterized in that described single-chip microcomputer (1) is AT89C51.
3. direct supply remote controllers as claimed in claim 1 or 2 is characterized in that described communication interface circuit (2), and its communication character is by J 1Receive J 15 pin ground connection and pass through C 10Be connected in 6 pin of MAX232, at J 15 pin and 2 pin of MAX232 between be provided with C 7, C 9, add 5V voltage at 16 pin of MAX232, be provided with C between 1 pin of MAX232 and 3 pin 11, be provided with C between 4 pin of MAX232 and 5 pin 12, the 15 pin ground connection of MAX232; J 12 pin by selector switch K 2Connect 14 pin of MAX232 or 7 pin of MAX485; J 13 pin by selector switch K 1Connect 13 pin of MAX232 or 6 pin of MAX485; 4,1 pin of MAX485 and 11,12 pin of MAX232 link to each other with 11,10 pin of single chip computer AT 89C51 respectively, are provided with C between 5,8 pin of MAX485 34, 8 pin add 5V voltage, 5 pin ground connection, and the connection of 2,3 pin meets single-chip microcomputer (1) AT89C51.
4. direct supply remote controllers as claimed in claim 3, the communication character that it is characterized in that described communication interface circuit (2) is by J 2Receive J 21,2 pin be connected in 12,11 pin of MAX491 respectively, be provided with R therebetween 1J 23,4 pin be connected in 10,9 pin of MAX491 respectively, be provided with R therebetween 22,5 pin of MAX491 pass through K switch respectively 3, K 4Link to each other with 11,10 pin of single chip computer AT 89C51,3,6,7 pin of MAX491 are communicated with ground connection, and 4,14 pin are communicated with and add 5V voltage and pass through C 13Ground connection.
5. direct supply remote controllers as claimed in claim 1 or 2 is characterized in that described switching value output circuit (8), the data line D of 8 bit data bus (9) of single-chip microcomputer (1) 0-D 7Be connected with the data input pin of latch 74HC377,11 pin of 74HC377 are connected with single-chip microcomputer (1) 16 pin; 12,15,16,19 ends of latch 74HC377 connect photoisolator U 128,6,4,2 pin of TLP521-4 are at U 12Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 7, R 8, R 9, R 10With light emitting diode D 1, D 2, D 3, D 4At U 12Be connected in series R respectively between 10,12,14,16 pin of TLP521-4 and the+5V 18, R 17, R 16, R 15, its pin 9,11,13,15 output+5V level.
6. direct supply remote controllers as claimed in claim 5 is characterized in that described switching value output circuit (8) also includes 2,5,6, the 9 ends connection photoisolator U of latch 74HC377 138,6,4,2 pin of TLP521-4 are at U 13Be connected in series R respectively between 1,3,5,7 pin of TLP521-4 and the P+5V 14, R 13, R 12, R 11With light emitting diode D 33, D 32, D 31, D 30U 13Be connected in series R respectively between 16,14 pin of TLP521-4 and the+5V 19, R 20, its pin 13,15 output+5V level.
7. direct supply remote controllers as claimed in claim 1 or 2 is characterized in that described quantity of state input circuit (7), and input signal is connected in series R respectively 43, R 44, R 45, R 46With light emitting diode D 13, D 14, D 15, D 16Photoisolator U is inserted in the back 141,3,5,7 pin of TLP521-4, its U 142,4,6,8 pin of TLP521-4 connect the ICOM end; U 1416,14,12,10 pin of TLP521-4 are connected in 2,4,6,8 pin of bus driver 74HC244; At U 14TLP521-4 16,14,12,10 with+5V between be connected in series R respectively 27, R 28, R 29, R 30, its pin 15,13,11,9 ground connection; D in the output terminal 18,16,14,12 of bus driver 74HC244 and 8 bit data bus (9) of single-chip microcomputer (1) 0-D 3Connect.
8. direct supply remote controllers as claimed in claim 7 is characterized in that described quantity of state input circuit (7), and input signal is connected in series R respectively 47, R 48, R 49, R 50With light emitting diode D 17, D 18, D 19, D 20Photoisolator U is inserted in the back 151,3,5,7 pin of TLP521-4, its U 152,4,6,8 pin of TLP521-4 connect the ICOM end; U 1516,14,12,10 pin of TLP521-4 are connected in 11,13,15,17 pin of bus driver 74HC244; At U 15TLP521-4 16,14,12,10 and+pass through R respectively between the 5V 31, R 32, R 33, R 34, its pin 15,13,11,9 ground connection; Output terminal 9,7,5,3 pin of bus driver 74HC244 are connected with D1-D7 in 8 bit data bus (9) of single-chip microcomputer (1); 20 pin of bus driver 74HC244 meet P+5V and pass through C 35Ground connection, 1, the connection of 19 pin meets 244G 1
CN 200520078975 2005-06-24 2005-06-24 DC power source remote control device Expired - Fee Related CN2807318Y (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100458635C (en) * 2005-06-24 2009-02-04 中国科学院近代物理研究所 Remote controller for high precision DC power supply
CN102393671A (en) * 2011-10-26 2012-03-28 中国兵器工业集团第二一四研究所苏州研发中心 Burn-in control method for multi-channel power electronic component
CN101296523B (en) * 2007-04-24 2012-05-30 松下电器产业株式会社 Switch device
CN104914749A (en) * 2015-05-15 2015-09-16 国家电网公司 Network power source control module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100458635C (en) * 2005-06-24 2009-02-04 中国科学院近代物理研究所 Remote controller for high precision DC power supply
CN101296523B (en) * 2007-04-24 2012-05-30 松下电器产业株式会社 Switch device
CN102393671A (en) * 2011-10-26 2012-03-28 中国兵器工业集团第二一四研究所苏州研发中心 Burn-in control method for multi-channel power electronic component
CN104914749A (en) * 2015-05-15 2015-09-16 国家电网公司 Network power source control module

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Granted publication date: 20060816

Termination date: 20110624