CN2433763Y - Microcomputer automatic sub-synchronous control device - Google Patents
Microcomputer automatic sub-synchronous control device Download PDFInfo
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- CN2433763Y CN2433763Y CN 00230056 CN00230056U CN2433763Y CN 2433763 Y CN2433763 Y CN 2433763Y CN 00230056 CN00230056 CN 00230056 CN 00230056 U CN00230056 U CN 00230056U CN 2433763 Y CN2433763 Y CN 2433763Y
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Abstract
The utility model relates to a microcomputer automatic sub-synchronous control device, which is characterized in that a microcomputer, an embedded controller, a panel, a back plate and a box body are adopted in the utility model; a single-chip microcomputer is used as the microcomputer which is provided with frequency, phase difference, voltage amplitude value and an input interface circuit under a parallel point state and a functional switch state in configuration; a power supply indication relay, a closing relay, a locking indicator, an acceleration indicator, a deceleration relay, a voltage raising relay, a voltage falling relay, an alarm relay, a state indicator and a digital display corresponding to the alarm relay, and a thirty-two gear analog moving coil pointer type electronically synchronous meter are adopted to be used as an output interface circuit. A solid circuit adopts a module structure; a main body part comprises three modules: a main board, an I/O board and a display board which form electrical connection with a power supply board through conductors.
Description
The utility model relates to a kind of automatic control equipment, and it is used for the switch arranged side by side between generators in power systems and the system busbar and the simultaneous operation of the interconnection switch between the bus.Microcomputer automatic sub sync control device particularly.
At present, more this class automatic control equipment product that is used for electric power system on the market, the automatic accurate synchronizer of ZZQ-5 of Xuchang electrical apparatus factory production and the accurate synchronizer of ZZQ-3 type binary channels of synchronous trap setting of ZTB-1 type and the production of relay factory, Acheng are arranged, this series products all is based on discrete component, does not introduce microcomputer automatic control.In addition, though the accurate isochronous controller of HSTD-2 microcomputer that Huaneng Group, Beijing automation equipment factory produces has adopted microcomputer, but still exist how significantly not enough on its 26S Proteasome Structure and Function, therefore seldom use in practice, the data of relevant this product is seen " power engineering electric equipment handbook, electric part " (northwest electricity designing institute of Ministry of Power Industry volume).
The purpose of this utility model is to improve proposition and design microcomputer automatic sub sync control device at above-mentioned the deficiencies in the prior art.It is used in electric power system, can realize the synchroswitching function more reliably, accurately and fast, guarantee the safe and reliable operation of electric power system.
Technical solution of the present utility model is, adopt microcomputer, embedding control clamors, panel, backboard, casing, it is characterized in that, microcomputer adopts single-chip microcomputer, configuration frequency, phase difference, voltage magnitude, dotted state arranged side by side, the input interface circuit of functional switch state, adopt the power supply indicating relay, closing relay, the locking indicating device, quicken indicating device, deceleration relay, booster relay, turndown relay, alarm relay and corresponding positioning indicator and digital display, 32 grades of simulation moving-coil pointer electron synchronous meters are as output interface circuit, its entity circuit adopts modular structure, main part comprises mainboard, the I/O plate, three modules of panel circuit, they constitute each other by lead and power panel as working power and are electrically connected, function key is housed on the panel, 32 grades of simulation moving-coil pointer electron synchronous meters, the indicator light of corresponding positioning indicator and the display screen of digital display are equipped with mains switch on the backboard, power safety, generator PT insurance, system PT insurance and terminal board.
Its special domestic animal is that working power adopts high-frequency switching power supply module.
Its special domestic animal is that 32 grades of simulation moving-coil pointer electron synchronous meters adopt light-emitting diode to be evenly distributed on formation simulation moving-coil list index on 360 circumference of spending.
It is characterized in that casing adopts totally-enclosed metal cabinet.
It is characterized in that it is core devices that mainboard adopts integrated circuit Z84C15, configuration EPROM, EEPROPM, RAM, I/O interface circuit.
It is characterized in that digital display adopts eight eight sections common cathode charactrons.
Operation principle of the present utility model is, adopt microcomputer by the input interface circuit acquired signal, use special-purpose Control Software to handle, by output interface circuit output control signal, thereby realize: the fast automatic standard of 1-16 synchronous concatenation point is synchronous, or synchronous from the seizure of 1-16 synchronous concatenation point; Hardware, dual under-voltage, the overvoltage protection of software; The automatic frequency adjustment pressure regulation makes and treats and side frequency amplitude tracking system side frequency amplitude; Reclosing block; The phase synchronization wiring; Running parameter is set; The illegal closing locking of total state; Complete self check; A distant place resets; 32 grades of simulation moving-coil pointer electron synchronous meters; Numerical frequency shows; Work condition state LED indication, combined floodgate, locking, system is under-voltage, boost, step-down, acceleration, deceleration, fault; Spontaneous debugging major functions such as analog frequency signal;
The utility model has the advantages that; reasonable in design; adopt microcomputer and controller combination; the modular structure of freedom from repairs; make it have very high reliability; accuracy; rapidity; it is applied to the control field of electric power system; can protect the security of operation of unit; guarantee not have and impact side by side; reduce the preceding side by side idle period of generator; both reduced energy consumption with increase energy output particularly electric power system because of accident loses a large amount of power supplys; during stable being on the hazard of electric power system, can accomplish reliable; accurately; do not have fast and impact the collapse that electric power system was prevented and avoided to the ground standby unit of input.
Fig. 1, basic structure schematic diagram of the present utility model
Fig. 2, panel construction schematic diagram of the present utility model
Fig. 3, back board structure schematic diagram of the present utility model
Fig. 4, main part schematic block circuit diagram of the present utility model
Fig. 5, workflow diagram of the present utility model
The circuit block diagram that Fig. 6, the utility model adopt
The circuit diagram of mainboard cpu central processing unit that Fig. 7, the utility model adopt and memory under program, random memory, parameter memory circuit part
The clock circuit of the mainboard that Fig. 8, the utility model adopt, differ identification circuit and with the circuit diagram of switch template connector circuit part
The circuit diagram of the interface circuit part that the mainboard that Fig. 9, the utility model adopt is connected with display panel and I/O plate
The circuit diagram of the comparison regulating circuit part of mainboard point selection arranged side by side, system voltage and the generator voltage that Figure 10, the utility model adopt
The circuit diagram of display panel button that Figure 11, the utility model adopt and dynamic model pointer display interface circuit part
The circuit diagram of the display panel dynamic model pointer display circuit part that Figure 12, the utility model adopt
The circuit diagram of the display panel charactron display circuit part that Figure 13, the utility model adopt
The I/O plate that Figure 14, the utility model adopt is put the circuit diagram of input identification, regulating relay and driving circuit section side by side
The I/O plate that Figure 15, the utility model adopt is connected the circuit diagram of socket circuit part with mainboard
The I/O plate relay that Figure 16, the utility model adopt is regulated the circuit diagram of output circuit part
The circuit diagram that the I/O plate system that Figure 17, the utility model adopt and the input of generator voltage parameter, system and generator differ input circuit part
Describe embodiment of the present utility model below with reference to the accompanying drawings in detail.
As Fig. 1, Fig. 2, shown in Figure 3, the modular structure of freedom from repairs is adopted in the utility model master-plan, and wherein, the entity circuit comprises mainboard 15, I/ O plate 14,18 3 modules of display panel and power panel 3.Basic structure of the present utility model is, adopt the combining structure of casing 12, panel 19, backboard 4, mainboard 15, I/O plate 14, power panel 3, display panel 18 are housed in the casing 12, backboard 4 is equipped with in casing 12 back, panel 19 is equipped with in casing 12 fronts, constitutes mutual electrical connection by connecting lead.Power panel 3 as working power adopts high-frequency switching power supply module.Casing 12 adopts totally-enclosed metal cabinet.The movement base plate 11 that is contained in the casing 12 is integral body with panel 19 welderings.By screw 2,13,16, power panel 3, I/O plate 14, mainboard 15 are fixedlyed connected with movement base plate 11 respectively.Display panel 18 is connected with panel 19 by screw 17, is fixed on panel 19 behind.After backboard 4 is contained in casing 12, be connected and fixed with screw 10, backboard is connected with movement base plate 11 by screw, mains switch 1, power safety 5, system PT insurance 6, generator PT insurance 7, terminal board 8 all are fixed on the backboard 4, by screw 23, terminal board 8 is fixedlyed connected with backboard 4.On backboard 4, several binding posts 24 are arranged on the terminal board 8, terminal board 8 has the sign 22 of each binding post 24 of explanation up and down.Between power panel 3, I/O plate 14, mainboard 15, the display panel 18, connect with the multi-pin connector socket by lead each other.A plurality of function keys, 32 grades of simulation moving-coil pointer electron synchronous meters 20, the indicator light of corresponding positioning indicator and display screens 21 of digital display are housed on the panel 2.Man-machine interface concentrates on the panel car 9, input is realized by three function keys of panel 19 belows, state shows uses light-emitting diode, data show uses charactron, 32 grades of simulation moving-coil pointer electron synchronous meters 20 adopt 160 light-emitting diodes, arrange in a line for per five, totally 32 straight lines are evenly distributed on to constitute on 360 circumference of spending and simulate the moving-coil list index.Because 0 degree is the emphasis of synchronous points, corresponding usually that light is with red, and all the other are green.
As Fig. 4, shown in Figure 5, the electrical connection between main part circuit of the present utility model is made of by lead mainboard 15, I/ O plate 14 and 18 3 modules of display panel.Wherein, the core circuit as the single-chip microcomputer of microcomputer is housed on the mainboard 15, uses special-purpose software to guarantee operate as normal of the present utility model.Input interface circuit, output interface circuit are housed on the I/O plate 14.Microcomputer adopts single-chip microcomputer, the input interface circuit of configuration frequency, phase difference, voltage magnitude, dotted state arranged side by side, functional switch state adopts power supply indicating relay, closing relay, locking indicating device, acceleration indicating device, deceleration relay, booster relay, turndown relay, alarm relay and corresponding positioning indicator and digital display, 32 grades of simulation moving-coil pointer electron synchronous meters 20 as output interface circuit.Working condition of the present utility model is carried out according to the workflow that Fig. 5 provides.As shown in Figure 5, workflow of the present utility model is, after the start, and electrification reset, next machine carries out self check.Determine that parameter is provided with situation, as not being provided with, machine requires to be provided with, and works as parameter setting, promptly carries out accurate simultaneous operation or capture operation.End of operation promptly withdraws from, and is suitable for the special-purpose software that the utility model is operated according to workflow, control, self check, functional requirements establishments such as standard is synchronous, seizure is synchronous, demonstration.
As shown in Figure 6, the circuit that the utility model adopts has motherboard circuit 25, I/O plate circuit 26, display board circuit 27, switching power circuit 29,28 5 parts of backboard Wiring port, they are joined by lead, multi-pin connector and socket and connect, and constitute each other to be electrically connected.
Shown in Fig. 7,8,9,10, the mainboard 15 that the utility model adopts, comprise cpu central processing unit and memory under program, random memory, parameter memory circuit part, clock circuit, differ identification circuit and the interface circuit that is connected with display panel 18 and I/O plate 14 with switch template connector circuit part, mainboard 15 partly, the comparison regulating circuit part of point selection arranged side by side, system voltage and generator voltage.Mainboard 15 of the present utility model is by Z84C1510FEC single-chip microcomputer, memory under program 2764, random memory 6264, parameter memory 2864, able to programme patrolling seized array GAL16V8, compositions such as clock circuit 8253 and Z84C30 and crystal oscillator, potentiometer RW, electric capacity, voltage stabilizing didoe, toggle switch, potentiometer, circuit interface plug-in unit.Be equipped with on the mainboard 15 and column signal input, system and the input of generator voltage signal, reset signal output,, the interface of regulating relay control output and power supply output, the circuit interface of the input of development template keyboard signal, the output of development template charactron shows signal, power input interface, the output of panel charactron shows signal, the output of status indicator lamp shows signal, panel connect the interface of key signals input circuit.
As Figure 11, Figure 12, shown in Figure 13, display panel 18 of the present utility model is made up of enter drive 75451,4-16 line decoder 74154, charactron, light-emitting diode, triode, button, resistance, circuit interface plug-in unit.On the display panel 18 power input interface is arranged, the circuit interface of the digital display tube signal input of panel, the input of status indicator lamp signal, the output of panel button signal is arranged.
Shown in 14,15,16,17, I/O plate 14 of the present utility model is by photoelectricity coupling circuit TLP521 as shown, and output driver 75451, transformer, relay, diode rectifier bridge, electric capacity, resistance, circuit interface plug-in unit are formed.I/O plate 14 has power input interface and power output interface, power down, warning, acceleration are arranged, slows down, boosts, the output interface of step-down, combined floodgate, record wave control signal.Arranged side by side signal output, system and the output of generator voltage signal, the signal input of letter in reply position, regulating relay control input and power input interface are arranged, common port and some H1-H16 control signal output side by side, distant place reseting controling signal input circuit interface are arranged.The switching value that whole input and output power concentration of the embodiment that the utility model proposes are imported on I/O plate 14 is isolated with photoelectricity, the input analog amount electromagnetic isolation, and output signal is isolated with relay.
Digital display adopts eight eight sections common cathode charactrons.
The utility model the key technical indexes:
Working power exchanges 220 volts ± %10, and Overall Power Consumption is less than 25 watts;
100 volts of rated secondary voltages, 50/60 hertz;
The output relay contact capacity exchanges 220 volts/5 peaces;
The setting range 20-999 millisecond of leading time;
The setting range 0.01-0.50 hertz of tolerance frequency difference;
The setting range 0-1 of pressure regulation coefficient;
The setting range 0-1 of coefficient of frequency modulation;
The under-voltage whole process of system side is adjustable;
Treat that also side overvoltage is less than or equal to 20%;
The relative pressure setting value is less than or equal to 15%;
Claims (6)
1, the microcomputer automatic sub sync control device, adopt microcomputer, embedding control clamors, panel, backboard, casing, it is characterized in that, microcomputer adopts single-chip microcomputer, configuration frequency, phase difference, voltage magnitude, dotted state arranged side by side, the input interface circuit of functional switch state, adopt the power supply indicating relay, closing relay, the locking indicating device, quicken indicating device, deceleration relay, booster relay, turndown relay, alarm relay and corresponding positioning indicator and digital display, 32 grades of simulation moving-coil pointer electron synchronous meters (20) are as output interface circuit, its entity circuit adopts modular structure, main part comprises mainboard (15), I/O plate (14), (18) three modules of display panel, they by lead with as on make power supply power panel (3) constitute each other and be electrically connected, panel is equipped with function key on (19), 32 grades of simulation moving-coil pointer electron synchronous meters (20), the indicator light of corresponding positioning indicator and the display screen (21) of digital display are equipped with mains switch (1) on the backboard (4), power safety (5), generator PT insures (7), system PT insures (6) and terminal board (8).
2, microcomputer automatic sub sync control device according to claim 1, its special domestic animal are that working power adopts high-frequency switching power supply module.
3, microcomputer automatic sub sync control device according to claim 1, its special domestic animal are that 32 grades of simulation moving-coil pointer electron synchronous meters (20) adopt light-emitting diode to be evenly distributed on formation simulation moving-coil list index on 360 circumference of spending.
4, microcomputer automatic sub sync control device according to claim 1 is characterized in that, casing (12) adopts totally-enclosed metal cabinet.
5, microcomputer automatic sub sync control device according to claim 1 is characterized in that, it is core devices that mainboard (15) adopts integrated circuit Z84C15, configuration EPROM, EEPROPM, RAM, I/O interface circuit.
6, microcomputer automatic sub sync control device according to claim 1 is characterized in that, digital display adopts eight eight sections common cathode charactrons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230056 CN2433763Y (en) | 2000-06-02 | 2000-06-02 | Microcomputer automatic sub-synchronous control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230056 CN2433763Y (en) | 2000-06-02 | 2000-06-02 | Microcomputer automatic sub-synchronous control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2433763Y true CN2433763Y (en) | 2001-06-06 |
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ID=33593219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00230056 Expired - Fee Related CN2433763Y (en) | 2000-06-02 | 2000-06-02 | Microcomputer automatic sub-synchronous control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2433763Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977947A (en) * | 2014-04-01 | 2015-10-14 | 宇宙电路板设备(深圳)有限公司 | Automatic adding system for printed circuit board production line etching liquid |
| CN106208150A (en) * | 2016-09-26 | 2016-12-07 | 南京国瑞自动化工程有限公司 | A kind of three-phase microcomputer automatic sub-synchronous device and method |
-
2000
- 2000-06-02 CN CN 00230056 patent/CN2433763Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977947A (en) * | 2014-04-01 | 2015-10-14 | 宇宙电路板设备(深圳)有限公司 | Automatic adding system for printed circuit board production line etching liquid |
| CN106208150A (en) * | 2016-09-26 | 2016-12-07 | 南京国瑞自动化工程有限公司 | A kind of three-phase microcomputer automatic sub-synchronous device and method |
| CN106208150B (en) * | 2016-09-26 | 2018-12-14 | 南京国瑞自动化工程有限公司 | A kind of three-phase microcomputer automatic sub-synchronous device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |