CN203734195U - IC access control intelligent power distribution cabinet - Google Patents
IC access control intelligent power distribution cabinet Download PDFInfo
- Publication number
- CN203734195U CN203734195U CN201420052924.1U CN201420052924U CN203734195U CN 203734195 U CN203734195 U CN 203734195U CN 201420052924 U CN201420052924 U CN 201420052924U CN 203734195 U CN203734195 U CN 203734195U
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- CN
- China
- Prior art keywords
- power distribution
- circuit
- distribution cabinet
- knife switch
- crossbeam
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Abstract
An IC access control intelligent power distribution cabinet is provided. The IC access control intelligent power distribution cabinet comprises a cabinet body and an inner column; the upper end of the inner column is connected with a combined busbar clamp; the middle of the inner column is provided with a knife switch installation cross beam; the knife switch installation cross beam is provided with a knife switch; the lower end of the inner column is provided with a circuit breaker mounting cross beam; the circuit breaker mounting cross beam is provided with a circuit breaker; the lower end of the mounting cross beam is provided with a lower busbar clamp; the lower busbar clamp is mounted through a lower busbar mounting beam; the lower busbar mounting beam is supported through an insulation support; the inner column is further provided with a side cross beam; the side cross beam is provided with a watt hour meter; the knife switch is led out through a knife switch rotating mechanism so as to be connected with a rotation handle; the cabinet body is provided with a cabinet door; the cabinet door is provided with an IC card-reading lock; the IC card-reading lock comprises a single-chip microcomputer; the single-chip microcomputer is connected with a reset switch, an alarm, an electromagnetic lock driving control circuit and an IC card reading unit.
Description
Technical field
The utility model relates to switch cubicle technical field, provides a kind of simple in structure, a kind of IC gate inhibition's intelligent power distribution cabinet with low cost.
Background technology
China is in the important period of industrialization and urbanization fast development, and energy demand has rigidity growth feature.Electric power, as a kind of clean, easy to use energy, occupies very consequence in energy industry, is country's progress and the indispensable power of prosperity.Expect the year two thousand twenty, China's need for electricity will reach 7.7 trillion kilowatt hours, and generator installation will reach 1,700,000,000 kilowatts of left and right, be the more than 2 times of existing level.
Electrical network is carried and the carrier of dissolving as electric power, has become the key components of energy supply system.With 500 kilovolts of interchanges and ± 500 kilovolts of main grid structures that direct current forms, be difficult to meet the needs of following remote, large capacity transmission and electric network security and economy, necessary Accelerating The Construction extra-high voltage grid, to ensure the coordinated development of electric power and national economy society, realizes Sustainable Development of Power Industry.
High and low pressure power distribution cabinet be exactly connect high voltage power distributing cabinet, low-tension switch cabinet and and the controller switching equipment of connection cable; general power supply administration, electric substation are all with high voltage power distributing cabinet; then arrive again low-tension switch cabinet through transformer pressure-reducing; low-tension switch cabinet is at the distribution board to each electricity consumption; control cabinet; switch-box, the inside is exactly nothing but some switches, circuit breaker, fuse, button, indicator light, instrument, electric wire and so on protection device assembling all-in-one-piece controller switching equipment.
High voltage switchgear is mainly used in the electric power system control and protection of (comprising the users such as power plant, transformer station, electric line and industrial and mining enterprises); both can a part of power equipment or circuit need to be dropped into or out of service according to operation of power networks; also can in the time of power equipment or line failure, faulty component be excised fast from electrical network, thereby ensure the normal operation of unmatched faulty component in electrical network and equipment, operating maintenance personnel's safety.Therefore, high voltage switchgear is very important equipment for power transmission and distribution, its safety, reliability service to electric power system safe, effectively move tool and be of great significance.
High voltage switchgear, by the difference of its function and efficacy, can be divided into:
(1) element and combination thereof: comprise on-load switch-fuse combined electric apparatus that circuit breaker, isolating switch, earthed switch, automatic circuit, sectionalizer, on-load switch, contactor, fuse and said elements combine, contactor-fuse (F-C) combined electrical apparatus, isolation on-load switch, Fuse switch, open combined electri cappliance etc.
(2) complete set of equipments: by said elements and combination and other electric equipment products (as transformer, instrument transformer, capacitor, reactor, lightning arrester and secondary component etc.) carry out reasonable disposition, organically be combined in metal enclosed shell, there is the product of relatively complete use function.As metal enclosed switchgear (switch cubicle), the individual high voltage/low voltage preassembled transformer station of Cubicle Gas-Insulated Switchgear (GIS) etc.
Be developed so far from the mid-90 in 20th century, domestic switch industry is to advance by leaps and bounds, from the seventies and eighties domestic " five open greatly " the complete set of equipments manufacturer situation of substantially cornering the market, thousands of the complete producers of switch advance side by side and share the market by now, are enough to show that China's High-voltage Switchgear Industry presents swift and violent gesture.
Power distribution cabinet can ensure power equipment and operating personnel's safety.Along with the propelling of global intelligent grid technology, Intelligent transformer station will be development priority from now on, and intelligent switchboard is basis and the hardware carrier of Intelligent transformer station, and existing switch cabinet structure complexity, cost costliness, therefore provide a kind of simple in structure, intelligent switchboard system with low cost is very urgent.
Summary of the invention
The object of the present invention is to provide one simple in structure, with low cost, adopt IC-card to open a kind of IC gate inhibition's intelligent power distribution cabinet of cabinet door.
The utility model is by the following technical solutions to achieve these goals:
A kind of IC gate inhibition's intelligent power distribution cabinet, it is characterized in that, comprise cabinet, inner prop 2, inner prop 2 upper ends are connected with combination-type bus-bar clamp 1, knife switch is installed on inner prop 2 middle parts crossbeam 3 is installed, knife switch is installed on crossbeam 3 knife switch 11 is installed, inner prop 2 lower ends are connected with circuit breaker crossbeam 12 are installed, install on crossbeam 12 circuit breaker 7 is installed, crossbeam 12 lower ends are installed Down Highway folder 13 is installed, Down Highway folder 13, install by Down Highway mounting rail 10, Down Highway mounting rail 10 is installed by insulating supporting 8 and is supported, side crossbeam 4 is also installed on inner prop 2, kilowatt-hour meter 14 is installed on side crossbeam 4, knife switch 11 is drawn and is connect rotary handle 6 by knife switch rotating mechanism 5, described cabinet disposes cabinet door, cabinet door disposes IC Card Reader lock, described IC Card Reader lock comprises single-chip microcomputer 2-1, described single-chip microcomputer is connected with reset switch 2-2, alarm 2-3, electromagnetic lock Drive and Control Circuit 2-4, IC-card card reading unit 2-5.
In technique scheme, described circuit breaker lower end is provided with current transformer and voltage transformer.
In technique scheme, described power distribution cabinet also disposes intelligent monitoring unit, comprise the analog signal isolation that is linked in sequence and translation circuit, low-pass filtering modulate circuit, A/D converter, processor, I/O output interface, photoisolator circuit, switching value output circuit; Also comprise temperature sensor, temperature sensor connects processor by A/D modular converter, switching value output circuit is connected with relay group, and relay is connected with the radiator fan being distributed in power distribution cabinet, described voltage transformer 2 summation current transformer 3 isolation of connecting analog signal and translation circuits.
In technique scheme, described analog signal isolation comprises operational amplifier with translation circuit, capacitor C, resistance R 2, slip feedback resistance R1, be connected between the out-phase input and output of operational amplifier after capacitor C is in parallel with resistance R 2 after connecting with slip feedback resistance R1.
In technique scheme, described electromagnetic lock Drive and Control Circuit 2-4 comprises 2 triodes and relay, and the control signal that 2 triodes send single-chip microcomputer sends to the control signal of relay as relay after amplifying.
Because the utility model has adopted technique scheme, so possess following beneficial effect:
One, being drawn and connect rotary handle by knife switch rotating mechanism to switch of this power distribution cabinet, user can operate knife switch in the situation that not opening switch cubicle, convenient and swift.
Two, because the voltage and current in low voltage electric network, after through an instrument transformer conversion, that effective value is the analog quantity of 5A, and A/D converter can only be accepted the voltage signal that amplitude changes among a small circle, in addition, signal is in wire transmission process, can be subject to the interference of operational environment, for voltage signal, after transmission, amplitude also can decay.Therefore, in electrical quantity transmission channel, the utility model signalization modulate circuit, makes signal after filtering interfering, can become the signal that amplitude size is suitable and send into A/D transducer, so that MCU carrys out sampling processing.
Three, the utility model compact conformation, simple, with low cost.
Four, the utility model adopts intelligent card reader and electronic lock, and card reader bindings personnel's information, after operating personnel swipe the card, can beat rack, and the operation between opening and closing rack is all done to exquisite detail.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is analog signal isolation of the present utility model and translation circuit schematic diagram;
Fig. 3 is the utility model IC Card Reader lock unit circuit diagram;
1 be combination-type bus-bar clamp, 2 for inner prop, 3 for knife switch install crossbeam, 4 for side crossbeam, 5 for knife switch rotating mechanism, 6 for rotary handle, 7 for circuit breaker, 8 for insulating supporting, 10 for Down Highway mounting rail, 11 for knife switch, 12 for install crossbeam, 13 for Down Highway folder, 14 be that kilowatt-hour meter, 18 is instrument transformer.
In figure, 2-1 is that single-chip microcomputer, 2-2 are that reset switch, 2-3 are that alarm, 2-4 are that electromagnetic lock Drive and Control Circuit, 2-5 are IC-card card reading unit.
Embodiment
A kind of IC gate inhibition's intelligent power distribution cabinet, it comprises cabinet, in cabinet, be provided with inner prop 2, inner prop 2 upper ends are provided with combination-type bus-bar clamp 1, and combination-type bus-bar clamp 1 is positioned at power distribution cabinet top, the middle part of inner prop 2 is provided with knife switch crossbeam 3 is installed, knife switch is installed on crossbeam 3 knife switch 11 is installed, and knife switch 11 is arranged on cabinet middle part, is drawn and is connect rotary handle 6 by knife switch rotating mechanism 5, user can operate the operating state to switch by rotary handle 6 when use, very convenient.Inner prop 2 lower ends are provided with the installation crossbeam 12 of circuit breaker, install on crossbeam circuit breaker 7 is installed, crossbeam 12 lower ends are installed Down Highway mounting rail 10 is installed, Down Highway folder 13 is installed on Down Highway mounting rail, described circuit breaker lower end is provided with current transformer and voltage transformer.Described power distribution cabinet also disposes intelligent monitoring unit, comprises the analog signal isolation that is linked in sequence and translation circuit, low-pass filtering modulate circuit, A/D converter, processor, I/O output interface, photoisolator circuit, switching value output circuit; Also comprise temperature sensor, temperature sensor connects processor by A/D modular converter, switching value output circuit is connected with relay group, and relay is connected with the radiator fan being distributed in power distribution cabinet, described voltage transformer 2 summation current transformer 3 isolation of connecting analog signal and translation circuits.Described analog signal isolation comprises operational amplifier with translation circuit, capacitor C, and resistance R 2, slip feedback resistance R1, be connected between the out-phase input and output of operational amplifier after capacitor C is in parallel with resistance R 2 after connecting with slip feedback resistance R1.
Described cabinet disposes cabinet door, and cabinet door disposes IC Card Reader lock, and described IC Card Reader lock comprises that the P1.2 of single-chip microcomputer 2-1 connects alarm 2-3, and alarm 2-3 comprises amplifying circuit, biasing resistor and the loud speaker of 2 triode compositions; In the time of P1.2 output high level, Q1 conducting, Q2 cut-off, buzzer loop open circuit, buzzer does not ring.In the time of P1.2 output high level, Q1 cut-off, Q2 conducting, buzzer circuit closed, buzzer sends sound.
The reset pin of described single-chip microcomputer is connected with reset switch 2-2, and reset switch 2-2 comprises capacitor C 3, resistance R 2 and switch S RET, and parallel connection is connected the reset pin of single-chip microcomputer to capacitor C 3 afterwards with switch S RET, and the reset pin of single-chip microcomputer is by resistance R 2 ground connection.
Electromagnetic lock Drive and Control Circuit 2-4, IC-card card reading unit 2-5.Described electromagnetic lock Drive and Control Circuit 2-4 comprises 2 triodes and relay, and the control signal that 2 triodes send single-chip microcomputer sends to the control signal of relay as relay after amplifying.
The P1.5 pin of single-chip microcomputer 2-1 connects indicator light circuit, and indicator light circuit comprises triode, diode and resistance, and VCC connects the anode of diode, the negative electrode contact resistance R3 of diode, resistance R 3 connecting triodes.
Claims (5)
1. IC gate inhibition's intelligent power distribution cabinet, it is characterized in that, comprise cabinet, inner prop (2), inner prop (2) upper end is connected with combination-type bus-bar clamp (1), on inner prop (2) middle part, knife switch is installed crossbeam (3) is installed, knife switch is installed on crossbeam (3) knife switch (11) is installed, inner prop (2) lower end is connected with circuit breaker crossbeam (12) is installed, install on crossbeam (12) circuit breaker (7) is installed, crossbeam (12) lower end is installed Down Highway folder (13) is installed, Down Highway folder (13) is installed by Down Highway mounting rail (10), Down Highway mounting rail (10) supports by insulating supporting (8), side crossbeam (4) is also installed on inner prop (2), kilowatt-hour meter (14) is installed on side crossbeam (4), knife switch (11) is drawn and is connect rotary handle (6) by knife switch rotating mechanism (5), described cabinet disposes cabinet door, cabinet door disposes IC Card Reader lock, described IC Card Reader lock comprises single-chip microcomputer (2-1), described single-chip microcomputer is connected with reset switch (2-2), alarm (2-3), electromagnetic lock Drive and Control Circuit (2-4), IC-card card reading unit (2-5).
2. a kind of IC gate inhibition's intelligent power distribution cabinet according to claim 1, is characterized in that, described circuit breaker lower end is provided with current transformer and voltage transformer.
3. a kind of IC gate inhibition's intelligent power distribution cabinet according to claim 2, it is characterized in that, described power distribution cabinet also disposes intelligent monitoring unit, comprise the analog signal isolation that is linked in sequence and translation circuit, low-pass filtering modulate circuit, A/D converter, processor, I/O output interface, photoisolator circuit, switching value output circuit; Also comprise temperature sensor, temperature sensor connects processor by A/D converter, switching value output circuit is connected with relay group, relay is connected with the radiator fan being distributed in power distribution cabinet, the isolation of described voltage transformer (2) summation current transformer (3) connecting analog signal and translation circuit.
4. a kind of IC gate inhibition's intelligent power distribution cabinet according to claim 3, it is characterized in that, described analog signal isolation comprises operational amplifier with translation circuit, capacitor C, resistance R 2, slip feedback resistance R1, be connected between the out-phase input and output of operational amplifier after capacitor C is in parallel with resistance R 2 after connecting with slip feedback resistance R1.
5. a kind of IC gate inhibition's intelligent power distribution cabinet according to claim 1, it is characterized in that, described electromagnetic lock Drive and Control Circuit (2-4) comprises 2 triodes and relay, and the control signal that 2 triodes send single-chip microcomputer sends to the control signal of relay as relay after amplifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052924.1U CN203734195U (en) | 2014-01-27 | 2014-01-27 | IC access control intelligent power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052924.1U CN203734195U (en) | 2014-01-27 | 2014-01-27 | IC access control intelligent power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734195U true CN203734195U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420052924.1U Expired - Fee Related CN203734195U (en) | 2014-01-27 | 2014-01-27 | IC access control intelligent power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487595A (en) * | 2016-10-26 | 2017-03-08 | 宁波永耀信息科技有限公司 | Power transformation O＆M big data network control platform |
-
2014
- 2014-01-27 CN CN201420052924.1U patent/CN203734195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487595A (en) * | 2016-10-26 | 2017-03-08 | 宁波永耀信息科技有限公司 | Power transformation O＆M big data network control platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20200127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |