CN201278337Y - Overcurrent tripping device for plastic case breaker - Google Patents
Overcurrent tripping device for plastic case breaker Download PDFInfo
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- CN201278337Y CN201278337Y CNU2008201279074U CN200820127907U CN201278337Y CN 201278337 Y CN201278337 Y CN 201278337Y CN U2008201279074 U CNU2008201279074 U CN U2008201279074U CN 200820127907 U CN200820127907 U CN 200820127907U CN 201278337 Y CN201278337 Y CN 201278337Y
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- 238000004146 energy storage Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 5
- 238000004020 luminiscence type Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model is an over-current tripping device for a plastic-case breaker, comprising three current transformers, an electricity-theft circuit, a tank circuit, a keyboard circuit, a parameter flash memory, a microprocessor, a high-brightness background plate, an A/D converter and a Chinese-English LCD module with a serial bus, wherein the current transformers are connected with the electricity-theft circuit that is connected with the tank circuit, the parameter flash memory, the microprocessor, the high-brightness background plate, the A/D converter, and the Chinese-English LCD module through power cords; ; the current transformers are connected with the A/D converter through data wires; the A/D converter is connected with the microprocessor through data wires; the microprocessor is connected with the keyboard circuit and the serial bus through data wires; and the Chinese-English LCD module is connected with the high-brightness background plate through data wires. The utility model is capable of selecting Chinese and English menus freely with intelligent backlights for luminescence, and searching and setting parameters conveniently when the breaker trips, has no additional auxiliary power supply, and is practical and advanced.
Description
Technical field
The utility model relates to a kind of electronics trip gear, refers in particular to a kind of overcurrent release device that is used for breaker of plastic casing.The electronics trip gear of the various parameters of query display circuit breaker especially can be set by demonstration of liquid crystal Chinese and English and operation key button, and above-mentioned functions has the backlight illumination of Based Intelligent Control, can inquire about fault in long period behind circuit breaker trip or parameter is set, need not to add accessory power supply.
Background technology
At present, be used for the electronics trip gear of breaker of plastic casing on the market both at home and abroad, have only menu in English, no background illumination, circuit breaker trip is inquired about or parameter is set and need add a manual station.Operate electrician's English understanding degree, will add the awkward scene of operator after the brightness of the installation environment of circuit breaker and the tripping operation, stoped the market development and the popularization of liquid crystal display intelligent plastic housing circuit breaker.
Summary of the invention
The purpose of this utility model provides a kind of overcurrent release device that is used for breaker of plastic casing, can not only real-time high-precision the monitoring circuit breaker by electric current and off-limit alarm tripping operation, also solved the technical problem that the electronics trip gear can't actions menu under dark surrounds and when circuit breaker trip and dead electricity.
For reaching above purpose, the technical scheme that the present invention takes is:
A kind of overcurrent release device that is used for breaker of plastic casing is characterized in that: comprise current transformer CTA, CTB and CTC, stealing circuit, accumulator, keyboard circuit, parameter flash memory, microprocessor, the high brightness background plate, A/D converter, the Chinese and English LCD module of band serial bus; The signal output part of current transformer is connected with the stealing circuit, the stealing circuit is connected by the Chinese and English LCD module of power line with accumulator, parameter flash memory, microprocessor, high brightness background plate, A/D converter, band serial bus, current transformer is connected with A/D converter by data wire, A/D converter is connected with microprocessor by data wire, microprocessor is connected with the serial bus of keyboard circuit, Chinese and English LCD module respectively by data wire, and Chinese and English LCD module is connected with the high brightness background plate by data wire.
On the basis of technique scheme, the model of parameter flash memory is CAT93C46, the model of microprocessor is LPC2103, the model of high brightness background plate is FH0413W1-SMD, the model of Chinese and English LCD module is TU112832GHB, said serial bus is meant RS232, RS485 or CAN, and said keyboard circuit comprises upturning key KUP, downturning key KDN, cancel key KESC and acknowledgement key KENT, and the model of the core devices of said accumulator is NI-MMB40H.
On the basis of technique scheme, three-terminal power device Q4, high brightness background light sheet microprocessor LD1 and operation key button KUP, KDN, KESC, KENT forms back-lit circuit; 128 * 32 high dot matrix Chinese and English display module U18 in port RS232, the RS485 that the built-in high speed serial bus of microprocessor U17 is connected with extraneous bus, CAN and the device are connected, the P0.13BLIGHT of its interrupt response input, output port, EXT_O41 pin and a three-terminal power device Q4 drive low-power consumption, high brightness background light sheet LD1 and operation key button KUP, KDN, KESC, connections such as KENT, 21 to 24 pin that specifically are microprocessor U17 connect four operation key button KUP successively, KDN, KESC, KENT; 48,44,2,1 pin of microprocessor U17 connects 1 to 4 pin of parameter flash memory U19 successively; 45,47,3 pin of microprocessor U17 connect 26,27,28 pin of Chinese and English display module U18 successively; 46 pin of microprocessor U17 are connected the feedback information as accumulator with the EXT_I of accumulator end, 38 pin of microprocessor U17 connect accumulator control end POW_EN.
On the basis of technique scheme, said accumulator comprises the core devices of four series connection, core devices series connection back one end ground connection, the other end is connected with the negative pole of diode D26, the positive pole of diode D26 respectively with the VOUT of three terminal regulator U20 end, one end of resistance R 108 connects, the GND end of the other end of resistance R 108 and three terminal regulator U20 is connected, the VIN end of three terminal regulator U20 is connected with the output VA of stealing circuit, the negative pole of diode D26 also respectively with an end of resistance R 7, one end of resistance R 106, the emitter of triode Q7 connects, the other end of resistance R 7 is connected with accumulator control EXT_I, the other end of resistance R 106 respectively with the base stage of triode Q7, one end of resistance R 109 connects, the collector electrode of triode Q7 respectively with an end of resistance R 107, energy storage energy output VDC connects, the other end of resistance R 109 is connected with the collector electrode of triode Q5, the grounded emitter of triode Q5, the two ends of capacitor C 75 respectively with the emitter of triode Q5, the base stage of triode Q5 connects, the base stage of triode Q5 also is connected with the positive pole of diode D28, the negative pole of diode D28 respectively with the other end of resistance R 107, the positive pole of diode D29 connects, the negative pole of diode D29 is controlled EXT_I with accumulator respectively, the collector electrode of triode Q6 connects, the emitter of triode Q6 respectively with the emitter of triode Q5, one end of resistance R 111 connects, the other end of resistance R 111 respectively with the base stage of triode Q5, one end of resistance R 110 connects, and the other end of resistance R 110 enables POW_EN with energy storage and is connected.
The beneficial effects of the utility model are, can freely select the China and British menu, have intelligent background light that illumination is provided, and circuit breaker trip also can conveniently be inquired about, parameter is set, and need not to add accessory power supply, and are practical advanced.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is further specified.
Fig. 1 is the utility model theory diagram
Fig. 2 is the utility model circuit diagram
U17 is 32 high-speed high-performance microprocessor LPC2103 among the figure, U19 is parameter flash memory CAT93C46, U18 is Chinese and English 132 * 32 high density LCD LCD MODULE TUI12832GHB, and KUP, KDN, KESC, KENT are respectively upturning key, downturning key, cancel key, acknowledgement key.
Fig. 3 is the utility model accumulator.BT1 among the figure ~ 4th, energy storage device NI-MMB40H, U20 are the constant current charge circuit, Q72SC8550 is a charging control switch.
Embodiment
A kind of overcurrent release device that is used for breaker of plastic casing, as shown in Figure 1, it is characterized in that: comprise current transformer CTA, CTB and CTC, stealing circuit, accumulator, keyboard circuit, the parameter flash memory, microprocessor, high brightness background plate, A/D converter, the Chinese and English LCD module of band serial bus; The signal output part of current transformer is connected with the stealing circuit, the stealing circuit is connected by the Chinese and English LCD module of power line with accumulator, parameter flash memory, microprocessor, high brightness background plate, A/D converter, band serial bus, current transformer is connected with A/D converter by data wire, A/D converter is connected with microprocessor by data wire, microprocessor is connected with the serial bus of keyboard circuit, Chinese and English LCD module respectively by data wire, and Chinese and English LCD module is connected with the high brightness background plate by data wire.
On the basis of technique scheme, as shown in Figure 1, the model of parameter flash memory is CAT93C46, the model of microprocessor is LPC2103, the model of high brightness background plate is FH0413W1-SMD, and the model of Chinese and English LCD module is TUI12832GHB, and said serial bus is meant RS232, RS485 or CAN, said keyboard circuit comprises upturning key KUP, downturning key KDN, cancel key KESC and acknowledgement key KENT, and the model of the core devices of said accumulator is NI-MMB40H.
On the basis of technique scheme, as shown in Figure 2, three-terminal power device Q4, high brightness background light sheet microprocessor LD1 and operation key button KUP, KDN, KESC, KENT forms back-lit circuit; 128 * 32 high dot matrix Chinese and English display module U18 in port RS232, the RS485 that the built-in high speed serial bus of microprocessor U17 is connected with extraneous bus, CAN and the device are connected, the P0.13BLIGHT of its interrupt response input, output port, EXT_O41 pin and a three-terminal power device Q4 drive low-power consumption, high brightness background light sheet LD1 and operation key button KUP, KDN, KESC, connections such as KENT, 21 to 24 pin that specifically are microprocessor U17 connect four operation key button KUP successively, KDN, KESC, KENT; 48,44,2,1 pin of microprocessor U17 connects 1 to 4 pin of parameter flash memory U19 successively; 45,47,3 pin of microprocessor U17 connect 26,27,28 pin of Chinese and English display module U18 successively; 46 pin of microprocessor U17 are connected the feedback information as accumulator with the EXT_I of accumulator end, 38 pin of microprocessor U17 connect accumulator control end POW_EN.
On the basis of technique scheme, as shown in Figure 3, said accumulator comprises the core devices of four series connection, core devices series connection back one end ground connection, the other end is connected with the negative pole of diode D26, the positive pole of diode D26 respectively with the VOUT of three terminal regulator U20 end, one end of resistance R 108 connects, the GND end of the other end of resistance R 108 and three terminal regulator U20 is connected, the VIN end of three terminal regulator U20 is connected with the output VA of stealing circuit, the negative pole of diode D26 also respectively with an end of resistance R 7, one end of resistance R 106, the emitter of triode Q7 connects, the other end of resistance R 7 is connected with accumulator control EXT_I, the other end of resistance R 106 respectively with the base stage of triode Q7, one end of resistance R 109 connects, the collector electrode of triode Q7 respectively with an end of resistance R 107, energy storage energy output VDC connects, the other end of resistance R 109 is connected with the collector electrode of triode Q5, the grounded emitter of triode Q5, the two ends of capacitor C 75 respectively with the emitter of triode Q5, the base stage of triode Q5 connects, the base stage of triode Q5 also is connected with the positive pole of diode D28, the negative pole of diode D28 respectively with the other end of resistance R 107, the positive pole of diode D29 connects, the negative pole of diode D29 is controlled EXT_I with accumulator respectively, the collector electrode of triode Q6 connects, the emitter of triode Q6 respectively with the emitter of triode Q5, one end of resistance R 111 connects, the other end of resistance R 111 respectively with the base stage of triode Q5, one end of resistance R 110 connects, and the other end of resistance R 110 enables POW_EN with energy storage and is connected.
The utility model is a kind of overcurrent release device that is used for breaker of plastic casing, as shown in Figure 1 and Figure 2, comprise microprocessor U17, A/D converter, it is characterized in that: also increase back-lit circuit, high density LCD LCD MODULE, parameter flash memory and accumulator, wherein, back-lit circuit is by three-terminal power device Q4, high brightness background light sheet microprocessor LD1 and operation key button KUP, KDN, KESC, KENT forms; Microprocessor has adopted 32 high-speed high-performance microprocessor LPC2103,128 * 32 high dot matrix Chinese and English display modules in port RS232, the RS485 that its built-in high speed serial bus is connected with extraneous bus, CAN and the device are connected, 41 pin (P0.13 BLIGHT, EXT_041) of its interrupt response input, output port and three-terminal power device 2SJ210 driving low-power consumption, a high brightness background light sheet and operate key button etc. and be connected; Connection between each circuit sees that the network label among Fig. 2 and Fig. 3 connects, and 21 to 24 pin of microprocessor U17 connect four operation key button KUP, KDN, KESC, KENT successively; 48,44,2,1 pin of microprocessor U17 connects 1 to 4 pin of parameter flash memory U19 successively; 45,47,3 pin of microprocessor U17 connect 26,27,28 pin of Chinese and English display module U18 successively; 46 pin of microprocessor U17 are connected the feedback information as accumulator with the EXT_I of accumulator end, 38 pin of microprocessor U17 connect accumulator control end POW_EN.Accumulator is by energy storage device BT1 ~ 4, and constant current charge circuit U 20 and charging control switch Q7 form (see figure 3).
" stealing " circuit of current transformer CTA ~ CTC produces the power supply of system, and the working power of modules at different levels is provided.A/D converter amplifies the current signal conditioning of current transformer induction simultaneously, inputs to 32,33,34 pin of microprocessor U17 by network label P0.22I_A, P0.22I_B, P0.22I_C in the (see figure 2) of microprocessor U17.
Microprocessor U17 drives high dot matrix Chinese and English display module U18 the 16th pin various parameters is presented on the LCD display by serial communication bus P2.0MOSI1.
See Fig. 2, its output port of microprocessor U17 P0.13BLIGHT (41 pin) lights background light LD1 by a three-terminal power device Q4 (2SJ210) under the external world triggers.
See Fig. 3, microprocessor U17 charges to accumulator when gathering electric current, monitoring drop-away current and doing the control curve, accumulator is made up of three-terminal power device Q4 (2SJ210), charging control switch Q7 (2SC8550), battery N1-MHB-40H etc., tripping operation back instrument transformer is stopped power supply accumulator generator energy.
See Fig. 2, operation key button KUP, KDN, KESC, KENT are respectively rising, decline, cancellation, acknowledgement key, and a manually-operated input mode is provided, and constitute the background light illumination of Based Intelligent Control and the accumulator of intelligent management with background light sheet etc.
Parameter flash memory U19 preserves when the various parameters of electronics trip gear inside are stopped power supply after tripping operation.46 pin with microprocessor U17 are connected with the EXT_1 end of accumulator, 38 pin of microprocessor U17 connect accumulator control end POW_EN and control accumulator.
13 pin of microprocessor U17 and 14 pin (P0.0 TXD0, P0.1 RXD0) are serial line interfaces, the interface of RS232, RS485, CAN communication bus.
Because the power supply of electronics trip gear is instrument transformer " stealing " mode, little processing is charged to accumulator when gathering electric current, monitoring drop-away current and doing the control curve, and tripping operation back instrument transformer is stopped power supply accumulator generator energy.
In sum, this device comprises microprocessor, A/D converter, it is characterized in that: also increase back-lit circuit, high dot matrix LCD LCD MODULE, parameter flash memory and accumulator, wherein, back-lit circuit is made up of three-terminal power device, high brightness background light sheet microprocessor and operation key button; Microprocessor has adopted 32 high-speed high-performance microprocessor LPC2103,128 * 32 high dot matrix Chinese and English display modules in port RS232, the RS485 that its built-in high speed serial bus is connected with extraneous bus, CAN and the device are connected, and 41 pin (P0.13 BLIGHT, EXT_0) of its interrupt response input, output port drive low-power consumption, high brightness background light sheet and operate key button etc. by a three-terminal power device 2SJ210 (Q4).High brightness background light sheet is the light-emitting film between a kind of White LED, has the high brightness low-power consumption, and lighting by microprocessor intelligence of it controlled.The operation key button provides a manually-operated input mode, and constitutes the background light illumination of Based Intelligent Control and the accumulator of intelligent management with background light sheet etc.
Claims (4)
1. an overcurrent release device that is used for breaker of plastic casing is characterized in that: comprise current transformer CTA, CTB and CTC, stealing circuit, accumulator, keyboard circuit, parameter flash memory, microprocessor, the high brightness background plate, A/D converter, the Chinese and English LCD module of band serial bus; The signal output part of current transformer is connected with the stealing circuit, the stealing circuit is connected by the Chinese and English LCD module of power line with accumulator, parameter flash memory, microprocessor, high brightness background plate, A/D converter, band serial bus, current transformer is connected with A/D converter by data wire, A/D converter is connected with microprocessor by data wire, microprocessor is connected with the serial bus of keyboard circuit, Chinese and English LCD module respectively by data wire, and Chinese and English LCD module is connected with the high brightness background plate by data wire.
2. the overcurrent release device that is used for breaker of plastic casing as claimed in claim 1, it is characterized in that: the model of parameter flash memory is CAT93C46, the model of microprocessor is LPC2103, the model of high brightness background plate is FH0413W1-SMD, the model of Chinese and English LCD module is TUI12832GHB, said serial bus is meant RS232, RS485 or CAN, said keyboard circuit comprises upturning key KUP, downturning key KDN, cancel key KESC and acknowledgement key KENT, and the model of the core devices of said accumulator is NI-MMB40H.
3. the overcurrent release device that is used for breaker of plastic casing as claimed in claim 2 is characterized in that: (KESC KENT) forms back-lit circuit for KUP, KDN for three-terminal power device (Q4), high brightness background light sheet microprocessor (LD1) and operation key button; The port (RS232, RS485, CAN) that the built-in high speed serial bus of microprocessor (U17) is connected with extraneous bus is connected with 128 * 32 high dot matrix Chinese and English display modules (U18) in the device, P0.13BLIGHT, EXT_0 (41 pin) and a three-terminal power device (Q4) of its interrupt response input, output port drives low-power consumption, high brightness background light sheet (LD1) and operation key button (KUP, KDN, KESC, connection such as KENT), 21 to 24 pin that specifically are microprocessor (U17) connect four operation key button (KUP successively, KDN, KESC, KENT); 48,44,2,1 pin of microprocessor (U17) connects 1 to 4 pin of parameter flash memory (U19) successively; 45,47,3 pin of microprocessor (U17) connect 26,27,28 pin of Chinese and English display module (U18) successively; 46 pin of microprocessor (U17) are connected the feedback information as accumulator with the EXT_I of accumulator end, 38 pin of microprocessor (U17) connect accumulator control end (POW_EN).
4. the overcurrent release device that is used for breaker of plastic casing as claimed in claim 3, it is characterized in that: said accumulator comprises the core devices of four series connection, core devices series connection back one end ground connection, the other end is connected with the negative pole of diode (D26), the positive pole of diode (D26) respectively and the VOUT of three terminal regulator (U20) end, one end of resistance (R108) connects, the GND end of the other end of resistance (R108) and three terminal regulator (U20) is connected, the VIN end of three terminal regulator (U20) is connected with the output VA of stealing circuit, the negative pole of diode (D26) also respectively and an end of resistance (R7), one end of resistance (R106), the emitter of triode (Q7) connects, the other end of resistance (R7) is connected with accumulator control EXT_I, the other end of resistance (R106) respectively and the base stage of triode (Q7), one end of resistance (R109) connects, the collector electrode of triode (Q7) respectively and an end of resistance (R107), energy storage energy output VDC connects, the other end of resistance (R109) is connected with the collector electrode of triode (Q5), the grounded emitter of triode (Q5), the two ends of electric capacity (C75) respectively and the emitter of triode (Q5), the base stage of triode (Q5) connects, the base stage of triode (Q5) also is connected with the positive pole of diode (D28), the negative pole of diode (D28) respectively and the other end of resistance (R107), the positive pole of diode (D29) connects, the negative pole of diode (D29) is controlled EXT_I with accumulator respectively, the collector electrode of triode (Q6) connects, the emitter of triode (Q6) respectively and the emitter of triode (Q5), one end of resistance (R111) connects, the other end of resistance (R111) respectively and the base stage of triode (Q5), one end of resistance (R110) connects, and the other end of resistance (R110) enables POW_EN with energy storage and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201279074U CN201278337Y (en) | 2007-08-20 | 2008-07-14 | Overcurrent tripping device for plastic case breaker |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720129184 | 2007-08-20 | ||
| CN200720129184.7 | 2007-08-20 | ||
| CNU2008201279074U CN201278337Y (en) | 2007-08-20 | 2008-07-14 | Overcurrent tripping device for plastic case breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201278337Y true CN201278337Y (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201279074U Expired - Fee Related CN201278337Y (en) | 2007-08-20 | 2008-07-14 | Overcurrent tripping device for plastic case breaker |
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| Country | Link |
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| CN (1) | CN201278337Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104620349A (en) * | 2012-09-10 | 2015-05-13 | 伊顿公司 | Circuit interrupter employing non-volatile memory for improved diagnostics |
-
2008
- 2008-07-14 CN CNU2008201279074U patent/CN201278337Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104620349A (en) * | 2012-09-10 | 2015-05-13 | 伊顿公司 | Circuit interrupter employing non-volatile memory for improved diagnostics |
| CN104620349B (en) * | 2012-09-10 | 2017-06-09 | 伊顿公司 | Circuit interrupter for improving the use nonvolatile memory of diagnosis |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20130714 |