CN101859985A - Field bus type intellectualized low-voltage switch device - Google Patents
Field bus type intellectualized low-voltage switch device Download PDFInfo
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- CN101859985A CN101859985A CN201010174520A CN201010174520A CN101859985A CN 101859985 A CN101859985 A CN 101859985A CN 201010174520 A CN201010174520 A CN 201010174520A CN 201010174520 A CN201010174520 A CN 201010174520A CN 101859985 A CN101859985 A CN 101859985A
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Abstract
The invention relates to a field bus type intellectualized low-voltage switch device which comprises a switch power supply, a voltage detecting filter circuit, a first amplification circuit, a second amplification circuit, a multi-circuit conversion switch, a control circuit power supply, a microprocessor, an A/D reference, an E2PROM, a CAN interface, a display operation panel, a tripping control circuit, an electric leakage protection and detecting circuit, a phase-locked loop frequency tracking circuit, a power factor detecting circuit, a compared detecting circuit, a current detecting filter circuit and a tripper, wherein the input end of the switch power supply is connected with a power grid; the output end of the switch power supply is connected with the tripper and the control circuit power supply; the input ends of the voltage detecting filter circuit and the current detecting filter circuit are connected with the power grid; the output ends of the voltage detecting filter circuit and the current detecting filter circuit are connected with the second amplification circuit; and the current detecting filter circuit is connected with the first amplification circuit. The invention enables the device to operate in the optimum state, if operation troubles are found and the troubles are processed in time, thereby enhancing the safe and stable operation capability of the distribution devices in enterprises, reducing the incidence of accidents, and producing huge economic benefits.
Description
Technical field
The present invention relates to a kind of field bus type intellectualized low-voltage switch device, belong to power transmission and distribution design and manufacturing technology field.
Background technology
Employed low voltage switchgear in the every profession and trade at home at present is the low-tension switch cabinet of the outfit of various series apportion controlling parts, instrument and electric elements commonly used basically; Development and demand along with intellectuality collection control techniques, generally exactly intelligent element is directly installed on original cabinet, mix use with control element commonly used, instrument, and there is no tangible improvement with regard to the overall co-ordination performance and the monitoring function aspect of agent structure, and operation and maintenance is comparatively complicated, easily cause misoperation, the electromagnetic interference that is produced simultaneously is very big to the transmission influence of weak electric signal.Aspect monitoring, generally be manual observation with the operator on duty, there is no and can look into analyzable historgraphic data recording.
The low voltage switchgear of import is though some is intelligent, because of great majority are to design according to the intelligent element that its national situation and exploitation are already used, so certain limitation is also arranged.
Summary of the invention
Purpose of the present invention is in order to overcome defective of the prior art, thereby a kind of intellectualized low-voltage switch device of field bus type is provided.
A kind of field bus type intellectualized low-voltage switch device, it is by Switching Power Supply, voltage detecting filter circuit, first amplifying circuit, second amplifying circuit, multicircuit switch, control circuit power supply, microprocessor DSP, A/D benchmark, E
2PROM, RS232/CAN interface, display operating panel, dropout control circuit, earth leakage protective testing circuit, phase-locked loop frequency tracking circuit, detection circuit of power factor, comparison testing circuit, current detecting filter circuit and release constitute; Its input of described Switching Power Supply links to each other with electrical network, and its output links to each other with the control circuit power supply with release; The voltage detecting filter circuit all links to each other with electrical network with current detecting filter circuit input, and its output links to each other with second amplifying circuit; The current detecting filter circuit links to each other with first amplifying circuit; The output of first and second amplifying circuit links to each other with multicircuit switch; Relatively the input of testing circuit links to each other with the output of current detecting filter circuit, and relatively the output of testing circuit links to each other with first amplifying circuit, multicircuit switch respectively; Multicircuit switch and microprocessor DSP diconnected, and power by the control circuit power supply; One input of detection circuit of power factor links to each other with the output of first amplifying circuit, and another input links to each other with the input of voltage detecting filter circuit, and the output of detection circuit of power factor links to each other with microprocessor DSP; The input of earth leakage protective testing circuit links to each other with electrical network, and its output links to each other with microprocessor DSP, dropout control circuit respectively.
Adopt the beneficial effect of technique scheme to be: the present invention can make equipment operation in optimum state, the fault of timely discovering device emerged in operation, and in time handle, improve the ability of the controller switching equipment safe and stable operation of industrial and mining enterprises widely, the incidence of reduction accident widely will produce huge economic benefit.
Description of drawings
Fig. 1 is a circuit principle structure block diagram of the present invention;
Fig. 2 is the application example of employing fieldbus of the present invention.
Among the figure: 1-Switching Power Supply, 2-voltage detecting filter circuit, 3-first amplifying circuit, 4-second amplifying circuit, 5-multicircuit switch, 6-control circuit power supply, 7-microprocessor DSP, 8-A/D benchmark, 9-E
2PROM, 10-RS232/CAN interface, 11-display operating panel, 12-dropout control circuit, 13-earth leakage protective testing circuit, 14-phase-locked loop frequency tracking circuit; the 15-detection circuit of power factor, 16-is testing circuit, 17-current detecting filter circuit, 18-release relatively.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, field bus type intellectualized low-voltage switch device of the present invention is by Switching Power Supply 1, voltage detecting filter circuit 2, first amplifying circuit 3, second amplifying circuit 4, multicircuit switch 5, control circuit power supply 6, microprocessor DSP7, A/D benchmark 8, E
2PROM9, RS232/CAN interface 10, display operating panel 11, dropout control circuit 12, earth leakage protective testing circuit 13, phase-locked loop frequency tracking circuit 14, detection circuit of power factor 15, comparison testing circuit 16, current detecting filter circuit 17 and release 18 are formed.
Described Switching Power Supply 1 its input links to each other with electrical network, and its output links to each other with control circuit power supply 6 with release 18, for release 18 provides the divide-shut brake power capacity, for control circuit provides power supply; The input of voltage detecting filter circuit 2 and current detecting filter circuit 17 all links to each other with electrical network, and its output links to each other with second amplifying circuit 4, and current detecting filter circuit 17 links to each other with first amplifying circuit 3; The output of first and second amplifying circuit 3,4 links to each other with multicircuit switch 5; Relatively the input of testing circuit 16 links to each other with the output of current detecting filter circuit 17, and relatively the output of testing circuit 16 links to each other with first amplifying circuit 3, multicircuit switch 5 respectively; Multicircuit switch 5 and microprocessor DSP7 diconnected, and by 6 power supplies of control circuit power supply; One input of detection circuit of power factor 15 links to each other with the output of first amplifying circuit 3, and another input links to each other with the input of voltage detecting filter circuit 2, and the output of detection circuit of power factor 15 links to each other with microprocessor DSP7; The input of earth leakage protective testing circuit 13 links to each other with electrical network, and its output links to each other with microprocessor DSP7, dropout control circuit 12 respectively.
The input signal of described microprocessor DSP7 is respectively from multicircuit switch 5, power factor (PF) testing circuit 15, phase-locked loop frequency tracking circuit 14, earth leakage protective testing circuit 13, A/D benchmark 8, E
2PROM9, RS232/CAN interface 10 and display operating panel 11; The signal that microprocessor DSP7 is exported is actuating signal, display operating panel 11 shows signal of dropout control circuit 12, exports to voltage, electric current, frequency, power, power factor (PF), electric leakage, the status number signal of upper monitoring PC by RS232/CAN interface 10.
Described E
2The PROM9 memory is AT17C65.
Described microprocessor DSP7 is ADMC331.
The divide-shut brake of described release 18, by 12 controls of dropout control circuit, the control signal of dropout control circuit 12 then comes from the microprocessor DSP7 that is provided with the optimization intelligent control program, sampled signal input microprocessor DSP7 such as voltage, electric current, frequency,, judgement comprehensive through microprocessor DSP, comparison, computing produce control signal and remove to drive dropout control circuit 12, promote release 18 separating brakes or combined floodgate.
As shown in Figure 2, adopt the application example of fieldbus for the present invention.The band field bus type intellectualized low-voltage switch device is exported through intelligent switchboard CAN interface through digital signals such as voltage that microprocessor DSP7 produced, electric current, frequency, power, power factor (PF), electric leakage, states, transmit by CAN Bus, through CAN/RS232 interface 10 card conversion input upper monitoring PCs, a upper monitoring PC can be monitored many field bus type intellectualized low-voltage switch devices.On the upper monitoring PC, can monitor various states, be provided with alert program, and can assign control command.Adopt present device, can in time find the fault of switchgear emerged in operation, and in time handle, improve the ability of the controller switching equipment safe and stable operation of industrial and mining enterprises greatly.
Claims (4)
1. field bus type intellectualized low-voltage switch device, it is characterized in that: it is by Switching Power Supply (1), voltage detecting filter circuit (2), first amplifying circuit (3), second amplifying circuit (4), multicircuit switch (5), control circuit power supply (6), microprocessor DSP (7), A/D benchmark (8), E
2PROM (9), RS232/CAN interface (10), display operating panel (11), dropout control circuit (12), earth leakage protective testing circuit (13), phase-locked loop frequency tracking circuit (14), detection circuit of power factor (15), comparison testing circuit (16), current detecting filter circuit (17) and release (18) are formed; Its input of described Switching Power Supply (1) links to each other with electrical network, and its output links to each other with control circuit power supply (6) with release (18); Voltage detecting filter circuit (2) all links to each other with electrical network with the input of current detecting filter circuit (17), and its output links to each other with second amplifying circuit (4); Current detecting filter circuit (17) links to each other with first amplifying circuit (3); The output of first and second amplifying circuit (3,4) links to each other with multicircuit switch (5); Relatively the input of testing circuit (16) links to each other with the output of current detecting filter circuit (17); Relatively the output of testing circuit (16) links to each other with first amplifying circuit (3), multicircuit switch (5) respectively; Multicircuit switch (5) and microprocessor DSP (7) diconnected, and power by control circuit power supply (6); One input of detection circuit of power factor (15) links to each other with the output of first amplifying circuit (3), and another input links to each other with the input of voltage detecting filter circuit (2), and the output of detection circuit of power factor (15) links to each other with microprocessor DSP (7); The input of earth leakage protective testing circuit (13) links to each other with electrical network, and its output links to each other with microprocessor DSP (7), dropout control circuit (12) respectively.
2. field bus type intellectualized low-voltage switch device according to claim 1 is characterized in that: the input signal of described microprocessor DSP (7) is respectively from multicircuit switch (5), power factor (PF) testing circuit (15), phase-locked loop frequency tracking circuit (14), earth leakage protective testing circuit (13), A/D benchmark (8), E
2PROM (9), RS232/CAN interface (10) and display operating panel (11); The signal that microprocessor DSP (7) is exported is actuating signal, display operating panel (11) shows signal of dropout control circuit (12), exports to voltage, electric current, frequency, power, power factor (PF), electric leakage, the status number signal of upper monitoring PC by RS232/CAN interface (10).
3. field bus type intellectualized low-voltage switch device according to claim 1 is characterized in that: described E
2PROM (9) memory is AT17C65.
4. field bus type intellectualized low-voltage switch device according to claim 1 is characterized in that: described microprocessor DSP (7) is ADMC331.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010174520A CN101859985A (en) | 2010-05-18 | 2010-05-18 | Field bus type intellectualized low-voltage switch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010174520A CN101859985A (en) | 2010-05-18 | 2010-05-18 | Field bus type intellectualized low-voltage switch device |
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| CN101859985A true CN101859985A (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010174520A Pending CN101859985A (en) | 2010-05-18 | 2010-05-18 | Field bus type intellectualized low-voltage switch device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074902A (en) * | 2010-12-10 | 2011-05-25 | 中国舰船研究设计中心 | Visual alternating current distribution board with interlock protection function |
| CN104009549A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | Intelligent controller for low-voltage intelligent circuit breaker |
| CN104810728A (en) * | 2015-04-22 | 2015-07-29 | 新余宇浩科技发展有限公司 | Intelligent touch distribution box |
| CN114844221A (en) * | 2022-06-08 | 2022-08-02 | 安徽山水机电设备有限公司 | On-site bus type intelligent low-voltage switch equipment |
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| CN2216718Y (en) * | 1995-04-22 | 1996-01-03 | 张磊 | Intelligent release |
| CN1257334A (en) * | 1999-12-16 | 2000-06-21 | 常熟开关厂 | Intelligent controller for communicable plastics casing circuit breaker |
| CN1377113A (en) * | 2002-04-30 | 2002-10-30 | 常熟开关厂 | Electronic controller of under-voltage tripping device |
| CN201142564Y (en) * | 2008-01-14 | 2008-10-29 | 常熟开关制造有限公司(原常熟开关厂） | Control and protection circuit for controlling and protecting switch electric appliance |
| JP2009077566A (en) * | 2007-09-21 | 2009-04-09 | Chugoku Electric Power Co Inc:The | Variable composite current transformer and protective relay device |
| CN101409467A (en) * | 2008-11-26 | 2009-04-15 | 上海电器科学研究所（集团）有限公司 | Circuit breaker controller |
| CN201985441U (en) * | 2010-05-18 | 2011-09-21 | 遵义长征电器开关设备有限责任公司 | Field bus type intellectualized low-voltage switch device |
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2010
- 2010-05-18 CN CN201010174520A patent/CN101859985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216718Y (en) * | 1995-04-22 | 1996-01-03 | 张磊 | Intelligent release |
| CN1257334A (en) * | 1999-12-16 | 2000-06-21 | 常熟开关厂 | Intelligent controller for communicable plastics casing circuit breaker |
| CN1377113A (en) * | 2002-04-30 | 2002-10-30 | 常熟开关厂 | Electronic controller of under-voltage tripping device |
| JP2009077566A (en) * | 2007-09-21 | 2009-04-09 | Chugoku Electric Power Co Inc:The | Variable composite current transformer and protective relay device |
| CN201142564Y (en) * | 2008-01-14 | 2008-10-29 | 常熟开关制造有限公司(原常熟开关厂） | Control and protection circuit for controlling and protecting switch electric appliance |
| CN101409467A (en) * | 2008-11-26 | 2009-04-15 | 上海电器科学研究所（集团）有限公司 | Circuit breaker controller |
| CN201985441U (en) * | 2010-05-18 | 2011-09-21 | 遵义长征电器开关设备有限责任公司 | Field bus type intellectualized low-voltage switch device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074902A (en) * | 2010-12-10 | 2011-05-25 | 中国舰船研究设计中心 | Visual alternating current distribution board with interlock protection function |
| CN102074902B (en) * | 2010-12-10 | 2012-11-14 | 中国舰船研究设计中心 | Visual alternating current distribution board with interlock protection function |
| CN104009549A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | Intelligent controller for low-voltage intelligent circuit breaker |
| CN104810728A (en) * | 2015-04-22 | 2015-07-29 | 新余宇浩科技发展有限公司 | Intelligent touch distribution box |
| CN104810728B (en) * | 2015-04-22 | 2017-08-15 | 新余宇浩科技发展有限公司 | Intelligent touch distribution box |
| CN114844221A (en) * | 2022-06-08 | 2022-08-02 | 安徽山水机电设备有限公司 | On-site bus type intelligent low-voltage switch equipment |
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Application publication date: 20101013 |