CN202455006U - Intelligent low-voltage distribution box - Google Patents
Intelligent low-voltage distribution box Download PDFInfo
- Publication number
- CN202455006U CN202455006U CN2012200513668U CN201220051366U CN202455006U CN 202455006 U CN202455006 U CN 202455006U CN 2012200513668 U CN2012200513668 U CN 2012200513668U CN 201220051366 U CN201220051366 U CN 201220051366U CN 202455006 U CN202455006 U CN 202455006U
- Authority
- CN
- China
- Prior art keywords
- digital signal
- signal processor
- distribution box
- voltage
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
An intelligent low-voltage distribution box comprises a main distribution box, a movable terminal and a fixed terminal, and is characterized in that the main distribution box comprises a digital signal processor, a touch screen, an LCD (liquid crystal display) module, a fault alarm module, reserved interface for an internet of things, a relay, a sampling circuit, a signal conditioning circuit, the ZIGBEE controller A, a transceiving antenna A and a switch power module, input of the switch power module is connected into an L0 and an N0 of a power grid, 220V alternating-current voltage is added between the L0 and the N0, multiple channels of direct-current voltage are outputted in a flyback topology manner via a TOP224Y-based DC-DC converter and provide required working power for the touch screen, the digital signal processor, the ZIGBEE controller A and the fault alarm module, and the touch screen is connected with the digital signal processor and mounted on a side surface of a body of the main distribution box. The intelligent low-voltage distribution box has the advantages that operation flexibility and reliability of the main distribution box are improved, and electromagnetic interference resistance of a system is enhanced.
Description
Technical field:
The utility model relates to a kind of distribution box, relates in particular to a kind of intelligent low voltage power distribution case.
Background technology:
Low-tension distribution box is widely used in buildings such as skyscraper, hotel, dwelling house and exchanges 50Hz, in the low-voltage distribution system below the rated voltage 220V/380V, as the usefulness that realizes distribution line switching, electric leakage, overload, short-circuit protection.The distribution box of selling in the market be by the electrical wiring requirement be assembled in switchgear, measuring instrument, protection electrical equipment and auxiliary equipment in sealing or the semiclosed metal cabinet or the screen width of cloth on; Constitute low-voltage distribution equipment, can connect or the branch deenergizing by manual or automatic switch when normally moving.Yet; The intelligent degree of traditional distribution box is low; When system breaks down, can only cut off circuit immediately by protection electrical equipment, can not accurately judge fault; Can not carry out warning in various degree and shut down processing according to different failure modes, the technical staff need spend more energy when the investigation fault.In addition, traditional distribution box needs manually relay to be moved, if Danger Electric shock risk might take place the relay insulation damages.
The utility model content:
In order to overcome the not high shortcoming of the intelligent degree of traditional distribution box, the utility model provides a kind of a kind of intelligent low voltage power distribution case based on digital signal processor.
The technical scheme that adopts is:
A kind of intelligent low voltage power distribution case; Comprise main junction box; Movable termination and fixed terminal; Main junction box comprises digital signal processor, touch-screen, LCD display module, fault alarm module, reserves Internet of Things interface, relay, sample circuit, signal conditioning circuit, ZIGBEE controller A, dual-mode antenna A and switch power module.L0 and N0 that the switch power module input gets access to grid; Voltage is that 220V exchanges therebetween, after the rectification, through the DC-DC converter based on TOP224Y; Adopt reverse exciting topological output multi-channel DC voltage; For described touch-screen, digital signal processor, ZIGBEE controller A and fault alarm module provide required working power, touch-screen links to each other with digital signal processor, is installed in the side of main junction box casing.The user can realize the control to each switch through the corresponding icon of finger touch, and the utility model adopts a kind of capacitive touch screen, utilizes the induction by current of human body to carry out work.This method has been avoided artificial directly contact-making switch, can avoid electric shock and other safety accidents.
Through sample circuit voltage, electric current, the temperature and humidity value of each road load are carried out real-time sampling; The signal that sampling obtains converts the signal that microprocessor can receive into through signal conditioning circuit; Microprocessor carries out analog-to-digital conversion to the service data of load; And carry out analyzing and processing through software, judge whether the loaded work piece state is normal.
Digital signal processor is the core of whole main junction box, and its function has the following aspects: at first, according to user's input instruction, corresponding relays is carried out switch control; Secondly; Voltage, electric current, temperature and humidity value to load are sampled; And compare with normal working value, if in normal range of operation, then carry out the real-time electric current and voltage value and the demonstration of on off state through the LCD display module; Undesired if work, report to the police through the fault alarm module.At last, digital signal processor can carry out radio communication with long-range movable termination and fixed terminal through the ZIGBEE wireless technology, and the control signal of receiving remote turns on and off corresponding relays.
Reserved the Internet of Things interface on the main junction box.Because technology of Internet of things can let object and object intelligent " dialogue "; Be a trend of future development; Therefore, for later needs, the main junction box of the utility model is that Internet of Things has been reserved " interface "; Can each this Internet of Things spare interface of parameter process of this distribution box be transferred out through radio-frequency technique through simple connection.
Relay on the main junction box all adopts solid-state relay.
Described movable termination comprises ZIGBEE controller B, dual-mode antenna B, microprocessor B and hand-held remote control unit.Its major function is through hand-held remote control unit, the shutoff of opening of solid-state relay in the Long-distance Control main junction box, in case break down in the main junction box scene, hand-held remote control unit can be found the sound and light alarm signal.
Described fixed terminal; Be made up of ZIGBEE controller C, dual-mode antenna C, microprocessor C and host computer, operating personnel can pass through host computer, and the relay of main junction box is turned on and off control; Also can pass through host computer, obtain the on-the-spot operation conditions of main junction box.
The useful benefit of the utility model is:
Switching device adopts fixed relay, has improved the sensitivity of main junction box high workload and reliably more, has improved the ability of the anti-electromagnetic interference of system; Through digital signal processor, realized the intellectuality control of main junction box; Adopt touch-screen to import, avoided the Danger Electric shock risk that possibly occur; Reserve the Internet of Things interface, can realize communicating by letter of main junction box and other equipment easily; Adopt the ZIGBEE wireless transmit-receive technology, can realize Long-distance Control, operating personnel can hand-held remote controllers or in the control room, main junction box are monitored, and have improved the intelligent level of whole distribution box system.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
Embodiment
A kind of intelligent low voltage power distribution case comprises main junction box 1, movable termination 2 and fixed terminal 3.
Main junction box comprises digital signal processor 4, touch-screen 5, LCD display module 6, fault alarm module 7, reserves Internet of Things interface 8, relay 9, sample circuit 10, signal conditioning circuit 11, ZIGBEE controller A 12, dual-mode antenna A 14 and switch power module 14.L0 and N0 that the switch power module input gets access to grid; Voltage is that 220V exchanges therebetween; After the rectification; Through DC-DC converter, adopt reverse exciting topological output multi-channel DC voltage, for described touch-screen, digital signal processor, ZIGBEE controller A and fault alarm module provide required working power based on TOP224Y.
Touch-screen links to each other with digital signal processor, is installed in the side of main junction box casing, can it be absorbed in wall inside, and is easy to operate, elegant in appearance.The user can realize the control to each switch through the corresponding icon of finger touch, and the utility model adopts a kind of capacitive touch screen, utilizes the induction by current of human body to carry out work.When finger touch was on metal level, because people's bulk electric field, user and touch screen surface formed with a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current divides the electrode on four jiaos from touch-screen and flows out; And the electric current of these four electrodes of flowing through is directly proportional with the distance of pointing four jiaos; Digital signal processor draws the instruction that touch point position can be obtained the user through the accurate Calculation to these four current ratios.The electric shock and other safety accidents that this method has avoided artificial directly contact-making switch to cause.
Relay on the main junction box all adopts solid-state relay.Solid-state relay is a kind of contactless switch element of all being made up of the solid-state electronic element; Has perfect photoelectric isolation module; Compare traditional electromagnetic type relay, solid-state relay has characteristics such as high life, high reliability, high sensitivity, anti-electromagnetic interference capability be strong.
The sample circuit 10 responsible samplings that temperature, humidity, voltage, the current value of load are implemented.Humiture collection is realized through transducer, the SHT75 Temperature Humidity Sensor that the utility model adopts Switzerland to produce, SHT75 has 4 pins, be respectively power supply,, clock and data wire.Use the 3.3V power supply to supply power to SHT75, data wire links to each other with the AD modular converter of digital signal processor.Control the SHT75 Temperature Humidity Sensor through writing of software program, make under its state that is operated in temperature detection or Humidity Detection, and it is carried out the transmitting-receiving operation of temperature humidity data through software.This transducer can obtain the temperature and humidity of environment simultaneously, and its volume is little, response is sensitive, and it is high that certainty of measurement is wanted, and temperature error is smaller or equal to ± 0.3 ℃, and the humidity error is smaller or equal to ± 1.8%, and stability is good.Obtain to flow through the current value of load and the magnitude of voltage of each phase load through current transformer and voltage transformer, through signal conditioning circuit 11, the electric current and voltage value that obtains sampling converts the voltage signal of the manageable 0-5V of digital signal processor into.
The TMS320F2812 chip that digital signal processor adopts TI company to produce, digital signal processor receives the user behind the signal that touch-screen sends, and the control corresponding relays turns on and off; Simultaneously; Digital signal processor receives voltage, electric current, ambient temperature and the humidity value that sampling obtains, and analog quantity is carried out the digital quantity that AD converts correspondence into, and compares with normal working value; If in normal range of operation; Then carry out the real-time electric current and voltage value and the demonstration of on off state,, report to the police through the fault alarm module if it is undesired to work through the LCD display module.The LCD display module carries out real-time demonstration to the on off state of each road relay, mainly shows the state that turns on and off of each road relay, and load voltage, electric current, the temperature and humidity value of the relay opened are carried out real-time demonstration.The LCD display module is to adopt to have the dot-matrix lcd module LCD12864 that includes Chinese word library, and its major function shows concrete fault type and fault origination point when breaking down.In order effectively to utilize the I/O port of microprocessor, control LCD12864 is operated in serial mode, and its data/address bus, enable port and clock link to each other with three universaling I/O ports of single-chip microcomputer respectively.The fault alarm module is carried out corresponding sound and light alarm signal to overcurrent, overvoltage, overheated fault, and the prompting related personnel is cut off the power supply and checked.If after a period of time of reporting to the police, if still do not responded, digital signal processor can cut off the load of breaking down automatically after the time-delay a period of time of reporting to the police, avoid more serious loss.
At last, digital signal processor can carry out radio communication with fixed terminal 3 with long-range movable termination 2 through the ZIGBEE wireless technology, and the control signal of receiving remote turns on and off corresponding relays.
Movable termination 2 sends control signal through keyboard; Microprocessor B scans keyboard, is corresponding digital quantity with the conversion of signals of keyboard, and encodes through ZIGBEE controller B; B passes user instruction through the 2.4GHz dual-mode antenna; In main junction box, dual-mode antenna A receives this signal, and decodes through ZIGBEE controller A; Digital signal processor is passed in the instruction of movable termination, and digital signal processor is implemented action according to user instruction to corresponding relays.
Operating personnel are early in the control room; Distribution box to the scene carries out Remote, sends instruction through host computer, and host computer links to each other through RS232 with microprocessor C; After microprocessor receives operating personnel's instruction, carry out the transmission of signal through ZIGBEE controller C and dual-mode antenna C equally.In main junction box; Dual-mode antenna A receives that this is wireless; And decode through ZIGBEE controller A, digital signal processor is passed in the instruction of movable termination, digital signal processor is implemented action according to operating personnel's in the operating room instruction to corresponding relays.
Claims (1)
1. an intelligent low voltage power distribution case comprises main junction box, movable termination and fixed terminal; It is characterized in that described main junction box; Comprise digital signal processor, touch-screen, LCD display module, fault alarm module, reserve Internet of Things interface, relay, sample circuit, signal conditioning circuit, ZIGBEE controller A, dual-mode antenna A and switch power module, L0 and N0 that the switch power module input gets access to grid, voltage is that 220V exchanges therebetween; After the rectification; Through DC-DC converter, adopt reverse exciting topological output multi-channel DC voltage, for described touch-screen, digital signal processor, ZIGBEE controller A and fault alarm module provide required working power based on TOP224Y; Touch-screen links to each other with digital signal processor, is installed in the side of main junction box casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200513668U CN202455006U (en) | 2012-02-17 | 2012-02-17 | Intelligent low-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200513668U CN202455006U (en) | 2012-02-17 | 2012-02-17 | Intelligent low-voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202455006U true CN202455006U (en) | 2012-09-26 |
Family
ID=46870836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200513668U Expired - Fee Related CN202455006U (en) | 2012-02-17 | 2012-02-17 | Intelligent low-voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202455006U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944075A (en) * | 2014-05-07 | 2014-07-23 | 厦门理工学院 | Novel touch distribution box |
| CN104122835A (en) * | 2014-07-24 | 2014-10-29 | 深圳易万创新科技有限公司 | Integrated control device for special effect devices |
| CN106953409A (en) * | 2017-04-22 | 2017-07-14 | 徐勇 | A kind of computerized electric power controller and control method |
| CN108110701A (en) * | 2018-01-09 | 2018-06-01 | 国网山东省电力公司滨州供电公司 | It is a kind of can the charged pinch of low-voltage cable junction box started to exchange fire |
| CN111049109A (en) * | 2019-12-26 | 2020-04-21 | 中国建筑第八工程局有限公司 | Small-sized base station safety protection system based on construction site Internet of things |
| CN112271670A (en) * | 2020-11-04 | 2021-01-26 | 国网山东省电力公司潍坊供电公司 | Terminal box with alarm function |
-
2012
- 2012-02-17 CN CN2012200513668U patent/CN202455006U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944075A (en) * | 2014-05-07 | 2014-07-23 | 厦门理工学院 | Novel touch distribution box |
| CN104122835A (en) * | 2014-07-24 | 2014-10-29 | 深圳易万创新科技有限公司 | Integrated control device for special effect devices |
| CN104122835B (en) * | 2014-07-24 | 2017-06-30 | 深圳易万创新科技有限公司 | For the integrated control device of special effect device |
| CN106953409A (en) * | 2017-04-22 | 2017-07-14 | 徐勇 | A kind of computerized electric power controller and control method |
| CN108110701A (en) * | 2018-01-09 | 2018-06-01 | 国网山东省电力公司滨州供电公司 | It is a kind of can the charged pinch of low-voltage cable junction box started to exchange fire |
| CN111049109A (en) * | 2019-12-26 | 2020-04-21 | 中国建筑第八工程局有限公司 | Small-sized base station safety protection system based on construction site Internet of things |
| CN112271670A (en) * | 2020-11-04 | 2021-01-26 | 国网山东省电力公司潍坊供电公司 | Terminal box with alarm function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202455006U (en) | Intelligent low-voltage distribution box | |
| CN206135213U (en) | Distribution box | |
| CN205070069U (en) | Intelligent socket | |
| CN201886066U (en) | Transformer core grounding current monitor | |
| CN207832923U (en) | A kind of distributing monitoring system | |
| CN106229228A (en) | Intelligent leakage circuit breaker | |
| CN103107602B (en) | Mine protection power monitoring system | |
| CN102290803B (en) | Micro-grid relaying protection method and device | |
| CN103346621A (en) | Multifunctional intelligent circuit breaker | |
| CN211602008U (en) | Demand side response socket based on loRa wireless communication technique | |
| CN111799890A (en) | Electric power intelligence operation and maintenance measurement and control device | |
| CN201984117U (en) | Capacitor group switching testing device | |
| CN209342812U (en) | A kind of earth-continuity tester | |
| CN106451780A (en) | Intelligent miniature circuit breaker based on Zigbee wireless communication | |
| CN111091699A (en) | Street lamp circuit breaker based on ad hoc network module and with metering operation and method | |
| CN203673037U (en) | Automatic circuit board detection tool of intelligent electric energy meter | |
| CN103545916A (en) | Comprehensive measurement and control system device for switch cabinet | |
| CN205246796U (en) | Used leakance electricity fault detection of transformer substation device | |
| CN102135576A (en) | Switching tester of substation condenser bank | |
| CN201563005U (en) | Protective measurement and control and electrical contact online temperature detecting integrated device | |
| CN114865796A (en) | High tension switchgear monitoring system based on internet | |
| CN211453908U (en) | Multifunctional network instrument with electric leakage detection function | |
| CN103441438A (en) | On-load capacitance regulating box-type transformer substation | |
| CN105510769A (en) | Power distribution network single-phase ground fault indicator | |
| CN203014490U (en) | Intelligent monitor of transformer substation |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20200217 |