CN105785152A - Silicon chain detection device - Google Patents
Silicon chain detection device Download PDFInfo
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- CN105785152A CN105785152A CN201410801482.0A CN201410801482A CN105785152A CN 105785152 A CN105785152 A CN 105785152A CN 201410801482 A CN201410801482 A CN 201410801482A CN 105785152 A CN105785152 A CN 105785152A
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Abstract
The invention relates to a silicon chain detection device. The silicon chain detection device comprises a detection unit, a monitor unit and a communication unit; the detection unit comprises a voltage detection part, a current detection part, a temperature detection part and a switching quantity part; the voltage detection part can detect voltage at two ends of each diode in a silicon chain; the current detection part comprises an interface I1 and an interface I2; the temperature detection part comprises an interface T1 and an interface T2, wherein the interface T1 and the interface T2 are externally connected with a temperature probe respectively; the temperature probes are installed on the silicon chain and are used for monitoring the temperature of the silicon chain in real time; and the switching quantity part is connected with the coil of a silicon chain relay. The silicon chain detection device of the invention can detect and monitor real-time conditions of the voltage and current curves and temperature of the silicon chain and perform real-time control on the silicon chain so as to ensure that electrical components operate under stable parameters, thereby guaranteeing the safety of a power system.
Description
Technical field
The present invention relates to DC power control technical field, specifically a kind of silicon chain detecting device.
Background technology
What the electric operation power in power plant and transformer station adopted now is all DC source; and direct current cabinet is just used to supply this DC source; it provides power supply for controlling load and living load and direct current emergency lighting load etc., is the basis of contemporary electric power system control, protection.
Silicon chain is as a vitals in direct current cabinet, and it is a kind of DC voltage regulation device, many heavy-duty diodes be composed in series, and utilizes the constant forward voltage drop superposition of the PN junction of heavy-duty diode to adjust voltage.Current silicon chain detection technique is fairly simple, coarse.General detection case fills several pointer voltmeters and ammeter, detect the performance of silicon chain, temperature can only can not show and error is big by hand dipping automatically, this method is fairly simple, directly perceived, but precision is not high, and instantaneous situation can only be reflected, it does not have curve memory function, it is impossible to concrete embodiment silicon chain specific performance under different voltage x current values；The data of every silicon chain, curve etc. can not be achieved, the foundation not judged when in the future safeguarding.
Summary of the invention
For above-mentioned situation, the present invention provides a kind of silicon chain detecting device, for detecting each several part voltage, electric current, temperature on silicon chain, and can control the switching of silicon chain relay and with touch panel monitor system device communication；Watch-dog unit can intuitively show voltage, electric current and the curve equivalent thereof that detection unit records, it is also possible to controls the switching of silicon chain relay, and transmits data to communication unit；Communication unit is used for connecting watch-dog and host computer, it is achieved real-time data transmission, thus ensureing that electric elements run when each parameter stability, and then ensures the safety of power system.
To achieve these goals, technical scheme is as follows:
Silicon chain detecting device, including detection unit, watch-dog unit and communication unit, described detection unit includes current detection section, current detecting part, temperature detection part, switching value part, and the voltage at every grade of diode two ends in silicon chain can be detected by described current detection section respectively；Described current detecting part divides and includes interface I1 and interface I2, and DC source is connected with the interface I1 input of current detecting part 12, and interface I1 outfan is connected to silicon chain input, the input of silicon chain outfan access interface I2, and the outfan of interface I2 connects load；Described temperature detection part includes interface T1 and interface T2, an interface T1 and interface T2 external temperature probe respectively, and temperature probe is arranged on silicon chain, in order to monitor silicon chain temperature conditions in real time；Described switching value part is connected with the coil of silicon chain relay, carries out the pressure regulation of multiscale in order to control silicon chain relay.
Being connected by RS485 bus between described watch-dog unit with detection unit, watch-dog unit is connected by RS232 bus with communication unit, and communication unit is connected to host computer by RS485 bus or RS232 bus.
The invention have the advantage that first, more comprehensively each several part voltage on detection silicon chain, than prior art many detections 4 place voltage；Second, newly-increased 2 temperature measuring probes, directly temperature is shown on touch panel monitor system device, it is not necessary to hand dipping again；3rd, there is On-off signal output function, relay can be controlled by touch screen and carry out blood pressure lowering switching, and the attracting state mirroring relay can be sent out；4th, increase touch panel monitor system man machine interface newly, picture is friendly, abundant, can reflection silicon chain each several part performance directly perceived, comprehensive；There is curve memory function, convenient inquiry at any time energy and upper machine communication, it is simple to many people check at a distance, record.
Accompanying drawing explanation
Fig. 1 is principles of the invention structure chart.
In the drawings: 1-detects unit, 2-watch-dog unit, 3-communication unit, 11-current detection section, 12-current detecting part, 13-temperature detection part, 14-switching value part, 15-communication interface, 21-communication interface, 22-communication interface, 31-communication interface, 32-communication interface.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Referring to Fig. 1, each for silicon chain step voltage is connected in order the current detection section 11 of detection unit 1,6 place's voltages can be detected；DC source accesses the interface I1 input of current detecting part 12, then is connected to silicon chain input from interface I1 outfan, and the input of silicon chain outfan access interface I2 is again from the output terminating load of interface I2；Two temperature probes temperature detection part 13 picked out are loaded on silicon chain；The coil of silicon chain relay is connected to switching value part 14；Being connected with the communication interface 21 of watch-dog unit 2 by communication interface 15, another communication interface 22 of watch-dog unit 2 is connected to the communication importation 31 of communication unit 3, communication output part 32 connects host computer.Watch-dog unit 2 adopts the Kunlun on-state touch screen, utilizes the software of the Kunlun on-state touch screen self whole process is monitored and controls.
The operation principle of the present invention:
After energising work, regulating the voltage of DC source, electric current to rated value, watch-dog unit 2 can show the voltage that silicon chain is at different levels in real time, to judge that whether blood pressure lowering is up to standard, and have correlation curve picture recording voltage curve, judge that in whole detection process, whether voltage trend is up to standard more comprehensively；Whether watch-dog unit 2 can show the input of silicon chain, output electric current in real time, contrast consistent, it is judged that whether the diode in silicon chain is working properly；Watch-dog unit 2 can show the temperature of silicon chain appearance in real time, and normal value compares, it is judged that whether the heating of silicon chain is normal；The switching value part 14 of 8 shift knob correspondence detection unit 1 is had in the picture of watch-dog unit 2, the shift knob on screen can be clicked to silicon chain Control on watch-dog unit 2, carry out the pressure regulation of multiscale, with judge silicon chain at different levels between coordinate whether flexible.Every currency detected all can be reported to the police beyond range of normal value watch-dog unit 2, and silicon chain is checked by prompting.It is connected with host computer finally by communication unit 3, all data are uploaded to host computer, in host computer, the information such as the detected value of every silicon chain, curve are preserved, in order to when safeguarding, transfer use in the future.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; simply principles of the invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within claimed the scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (2)
1. silicon chain detecting device, it is characterized in that, including detection unit, watch-dog unit and communication unit, described detection unit includes current detection section, current detecting part, temperature detection part, switching value part, and the voltage at diode two ends each in silicon chain can be detected by described current detection section respectively；Described current detecting part divides and includes interface I1 and interface I2, and DC source is connected with the interface I1 input of current detecting part 12, and interface I1 outfan is connected to silicon chain input, the input of silicon chain outfan access interface I2, and the outfan of interface I2 connects load；Described temperature detection part includes interface T1 and interface T2, an interface T1 and interface T2 external temperature probe respectively, and temperature probe is arranged on silicon chain, in order to monitor silicon chain temperature conditions in real time；Described switching value part is connected with the coil of silicon chain relay, carries out the pressure regulation of multiscale in order to control silicon chain relay.
2. silicon chain detecting device according to claim 1, it is characterized in that, being connected by RS485 bus between described watch-dog unit with detection unit, watch-dog unit is connected by RS232 bus with communication unit, and communication unit is connected to host computer by RS485 bus or RS232 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801482.0A CN105785152A (en) | 2014-12-22 | 2014-12-22 | Silicon chain detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801482.0A CN105785152A (en) | 2014-12-22 | 2014-12-22 | Silicon chain detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105785152A true CN105785152A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410801482.0A Pending CN105785152A (en) | 2014-12-22 | 2014-12-22 | Silicon chain detection device |
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| CN (1) | CN105785152A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492454A (en) * | 2019-09-26 | 2019-11-22 | 国家电网有限公司 | Silicon chain open-circuit-protection system in DC power system |
| CN110749821A (en) * | 2019-11-29 | 2020-02-04 | 国网江苏省电力有限公司太仓市供电分公司 | Silicon chain protection electronic switch detection method |
-
2014
- 2014-12-22 CN CN201410801482.0A patent/CN105785152A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492454A (en) * | 2019-09-26 | 2019-11-22 | 国家电网有限公司 | Silicon chain open-circuit-protection system in DC power system |
| CN110749821A (en) * | 2019-11-29 | 2020-02-04 | 国网江苏省电力有限公司太仓市供电分公司 | Silicon chain protection electronic switch detection method |
| CN110749821B (en) * | 2019-11-29 | 2022-01-04 | 国网江苏省电力有限公司太仓市供电分公司 | Silicon chain protection electronic switch detection method |
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Application publication date: 20160720 |