CN201270395Y

CN201270395Y - Distribution box

Info

Publication number: CN201270395Y
Application number: CNU2008201886715U
Authority: CN
Inventors: 时宁立
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-15
Filing date: 2008-08-15
Publication date: 2009-07-08
Anticipated expiration: 2018-08-15

Abstract

The utility model discloses a distribution box arranged on a using electricity line, which comprises a box body and an upper cover, wherein a current collecting module, a voltage collecting module, a digital/analogue conversion module and a display module are arranged in the box body, and a display screen is arranged on the upper cover, wherein the current collecting module and the voltage collecting module are respectively used to collect current values and voltage values of all using electricity lines and output current signals and voltage signals to the digital/analogue conversion module, the digital/analogue conversion module is used to receive the current signals and the voltage signals and convert into digital signals to output, and the display module is used to receive the digital signals inputted by the digital/analogue conversion module and drive the display screen to display. The distribution box has the advantages of providing perfect detection and monitoring functions, real-timely detecting and displaying the electric state of the related using electricity line, fast responding, being convenient for users to adjust the using electricity amount of each using electricity line in time, having high protection precision, increasing the safety in use, and further expanding relevant functions.

Description

A kind of distribution box

Technical field

The utility model relates to a kind of distribution box.

Background technology

Distribution box is a kind of controller switching equipment that is widely used in dwelling house, factory, office building; usually it is arranged on the distribution line; be respectively equipped with air switch on the distribution line in its casing, the meeting automatic disconnection plays a protective role when the electric current in the distribution line is too high.Along with constantly popularizing of electric power, the continuous increase of power consumption equipment, especially individual dwelling house, being extensive use of of high-power electrical equipment such as air-conditioning, electric heater, owing to distribution line and power consumption equipment overvoltage, overload or open circuit that to produce the electrical fire that electrical fire that heat effect causes and earth fault causes more and more, the annual economic loss of billions of units that all can cause.And only be provided with the current protection circuit breaker in the common distribution box, and protection speed is slow, and the protection precision is low, and does not have early warning and monitoring function, can not survey and monitor each electric power thus supplied with electric line in advance, can't effectively guarantee Electrical Safety.

Summary of the invention

The purpose of this utility model provides a kind of electric power thus supplied, protection precision height, the fast distribution box of response speed that can survey and monitor each usefulness electric line.

Technical solution of the present utility model is: a kind of distribution box, be arranged on on the electric line, comprise casing and loam cake, in described casing, be provided with the current acquisition module, voltage acquisition module, D/A converter module and display module, on described, be covered with display screen, wherein current acquisition module and voltage acquisition module be respectively applied for gather each with current value of electric line and magnitude of voltage and output current signal and voltage signal to D/A converter module, D/A converter module is used to accept current signal and voltage signal and converts digital signal output to, and display module is used to receive the digital signal of D/A converter module input and drives display screen and shows.

The collector that each electricity consumption line electricity flow valuve of collection and voltage value signal are set in casing; can obtain corresponding electric current and voltage condition in real time with electric line; convert digital signal to by D/A converter module; driving display screen by display module shows; can monitor real-time each electric current and voltage data intuitively with electric line; if during the electricity consumption of certain bar circuit overload; can in time find by display screen; but just hand off circuit or adjust power consumption before air switch action; improve the fail safe of using; protection precision height, response is fast.

Described current acquisition module is to be arranged on that each is described with the electric current mutual inductance transducer on the electric line, can change with the electric current on the electric line by each bar of direct detection, and export corresponding current signal, and the detection accuracy height, response is in time.

Described voltage acquisition module is formed by being arranged on transformer in the described casing and rectification module and filtration module, transformer is used for transferring the 220v civil power with electric line to the 10V alternating current, by changing the 9v direct current behind rectification module, the filtration module into, become the voltage signal in the respective lines to show this conversion of signals by D/A converter module, help improving the monitoring accuracy, improve safe margin.

In described casing, be provided with the temperature sensor that is connected with described D/A converter module, can in time survey each electricity consumption line temperature, prevent the generation of electrical fire.

Between described D/A converter module and described display module, be provided with the data memory module that is used to preserve data, data are stored respectively, but the quantity of increase video data is given security for further expanding function.

It also is provided with and described D/A converter module and the programmable chip that described display module links to each other, and can be used for setting corresponding program, and control data collection and display mode can also further be expanded out the data comparing function, increases the diversity of using.

It also is provided with the clock module that links to each other with described display module, and time showing is provided.

It also is provided with voice module that links to each other with described programmable chip and the loudspeaker that are connected with described voice module, can be used for alarm or sets prompting, increases man-machine interaction.

Outside described display screen, be provided with over cap, play a protective role.

The utility model has the advantages that: perfect detection and monitoring function is provided; can detect and show corresponding electric state in real time with electric line; response is fast; make things convenient for the user in time to adjust each power consumption with electric line; protection precision height; improve the fail safe in using, can also further expand corresponding function easily.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model embodiment;

Accompanying drawing 2 is a circuit connection diagram among the utility model embodiment;

1, casing, 2, loam cake, 3, use electric line, 4, fairlead; 5, display screen, 6, circuit board, 7, air switch, 8, the electric current mutual inductance transducer; 9, transformer, 10, rectification module, 11, filtration module, 12, D/A converter module; 13, display module, 14, battery module, 15, data memory module, 16, programmable chip; 17, clock module, 18, voice module, 19, loudspeaker, 20, button; 21, power module, 22, temperature sensor, 23, indicator light, 24, over cap.

Embodiment

Embodiment:

A kind of distribution box is arranged on on the electric line 3, comprises casing 1 and loam cake 2; wherein casing 1 is respectively equipped with fairlead 4 up and down; each passes fairlead 4 up and down respectively with electric line 3, and each in casing 1 is used for traditional earth leakage protective with being respectively equipped with air switch 7 on the electric line 3.Above-mentioned part is the structure setting of distribution box usually in the prior art.

Consult Fig. 1 and Fig. 2, in the utility model, on loam cake 2, be provided with display screen 5, be provided with circuit board 6 in the casing 1 behind the display screen 5, which is provided with D/A converter module 12, display module 13, rectification module 10, filtration module 11, data memory module 15, clock module 17 and voice module 18.In casing 1 each is used for gathering each electric current with electric line 3 and changes and output current signal with being respectively equipped with electric current mutual inductance transducer 8 on the electric line 3; Be provided with transformer 9 in the casing 1, be used for and transfer the 10V alternating current to the 220v civil power of electric line, transformer 9 and rectification module 10 and filtration module 11 are formed voltage acquisition module, be used to gather magnitude of voltage and output with electric line 3, D/A converter module 12 is accepted current signal and voltage signal and is converted digital signal output to, this signal can be preserved by data memory module 15, and display module 13 can receive the digital signal of D/A converter module 12 inputs and drive display screen 5 and show response current value and magnitude of voltage.Clock module 17 is used for the output time signal, and voice module 18 is used to export voice signal, drives loudspeaker 19 sounding that are arranged on the loam cake 2.

Be provided with temperature sensor 22 in casing 1, detectable ambient temperature and each are used electric line 3 temperature, and export corresponding signal in the display module 13 demonstration.

Programmable chip 16 and power module 21 can also be set on circuit board 6.Wherein programmable chip 16 is used for being used to realizing the automatic control surveying, monitor and show.Each current value and magnitude of voltage with electric line 3 that programmable chip 16 can be used for directly will recording calculate respective lines power, and import corresponding setting power value with electric line 3 in advance, judge relatively whether real-time measurement values surpasses set point, if surpass set point, can corresponding output alarm signal or light signal.

Power module 21 is used to system to improve stable power, it can directly utilize the 9v alternating current of transformer 9 outputs, be transformed into direct current by rectification module 10 and filtration module 11, use for each direct current device, also can start the reserve battery module 14 that carries, when the main power source dead electricity, be system's power supply.

In the present embodiment, display screen 5 is a LCD display, can save energy resource consumption, and enough display effects are provided.In order to protect its periphery, over cap 24 is set outside display screen 5, accordingly loudspeaker 19 can be set thereon, be used for the button 20 of control setting and the usefulness indicator light 23 of reporting to the police.

In the present embodiment, loam cake 2 is connected on the casing 1 by the hinged mode of a side, can open loam cake 2 air switch 7 that resets; Display screen 5 and circuit board 6 are arranged on the over cap 24, and over cap 24 is fixed on the loam cake 2 by the upper side edge articulated manner, can open loam cake 2 like this, only digs over cap 24, but just direct control air switch 7.

Above-listed detailed description is specifying at one of the utility model possible embodiments, this embodiment is not in order to limit claim of the present utility model, allly do not break away from the equivalence that the utility model does and implement or change, all should be contained in the claim of this case.

Claims

1, a kind of distribution box, be arranged on on the electric line, comprise casing and loam cake, it is characterized in that: in described casing, be provided with the current acquisition module, voltage acquisition module, D/A converter module and display module, on described, be covered with display screen, wherein current acquisition module and voltage acquisition module be respectively applied for gather each with current value of electric line and magnitude of voltage and output current signal and voltage signal to D/A converter module, D/A converter module is used to accept current signal and voltage signal and converts digital signal output to, and display module is used to receive the digital signal of D/A converter module input and drives display screen and shows.

2, a kind of distribution box according to claim 1 is characterized in that: described current acquisition module is to be arranged on that each is described with the electric current mutual inductance transducer on the electric line.

3, a kind of distribution box according to claim 1 is characterized in that: described voltage acquisition module is formed by being arranged on transformer in the described casing and rectification module and filtration module.

4, according to claim 1,2 or 3 described a kind of distribution boxs, it is characterized in that: in described casing each is provided with the temperature sensor that is connected with described D/A converter module on electric line.

5, a kind of distribution box according to claim 4 is characterized in that: be provided with the data memory module that is used to preserve data between described D/A converter module and described display module.

6, a kind of distribution box according to claim 5 is characterized in that: it also is provided with the programmable chip that links to each other with described display module with described D/A converter module.

7, a kind of distribution box according to claim 6, it is characterized in that: it also is provided with the clock module that links to each other with described display module.

8, a kind of distribution box according to claim 6 is characterized in that: it also is provided with voice module that links to each other with described programmable chip and the loudspeaker that are connected with described voice module.

9, a kind of distribution box according to claim 6 is characterized in that: be provided with over cap outside described display screen.