CN202049877U

CN202049877U - Demarcation switch controller

Info

Publication number: CN202049877U
Application number: CN2011201284892U
Authority: CN
Inventors: 王宝军; 王永达; 崔海顺; 李伟
Original assignee: BEIJING ESD POWER COMMUNICATIONS Co Ltd
Current assignee: BEIJING ESD POWER COMMUNICATIONS Co Ltd
Priority date: 2011-04-27
Filing date: 2011-04-27
Publication date: 2011-11-23
Anticipated expiration: 2021-04-27

Abstract

The utility model provides a demarcation switch controller. The demarcation switch controller comprises a power supply module, a communication module, an analog acquisition module for acquiring voltage and current, a switching acquisition module for state acquisition of switching values, a computation module for internally sampling and calculating voltage and current which are acquired by the analog acquisition module, a data processing module for acquiring and processing the sampled and calculated results, and an output processing and displaying module connected with the communication module, and further comprises an OLED (Organic Light Emitting Diode) display module and a display keystroke module. The demarcation switch controller has the advantages of clarity in display, high computation accuracy, wide measuring range and the like.

Description

The demarcation switch controller

Technical field

The utility model relates to switch control field, is specifically related to a kind of demarcation switch controller.

Background technology

At present in the demarcation switch controller, be mainly dialing demarcation switch controller, sort controller has two shortcomings: (1) is because structural limitations, most of parameter is a preset parameter, the parameter that can set is less, can not well satisfy the types of applications needs, and the range of set value of each parameter is little, only can sets several centrifugal pumps.(2) data query inconvenience, on controller, can't see the actual value of current voltage, electric current etc., also can't intuitively check fault message, must in switch cubicle, increase the bigger DTU of volume and just can carry out the field data inquiry, this has not only increased required space, has also increased the cost of demarcation switch cabinet, if be not with DTU, then the field personnel must make troubles for staff's maintenance in addition in control station inquiry information needed in the investigation fault.(3) the dial-up structure gets rusty easily, and useful life is short.

In sum, how to solve existing demarcation switch controller because the restriction of himself structure, the shortcoming in all inconvenience of using, causing in the maintenance process has become industry research personnel problem demanding prompt solution.

The utility model content

At above-mentioned defective, the utility model provides a kind of demarcation switch controller, to solve the technical problem that demarcation switch controller parameter setting range is little, data query is inconvenient of prior art.

For achieving the above object, the utility model has adopted following technical scheme:

A kind of demarcation switch controller, comprise power module, communication module, in order to analogue collection module that voltage and current is gathered, in order to switch amount carry out state acquisition the switch acquisition module, in order to the voltage and current to described analogue collection module collection carry out computing module that inner sampling calculates, in order to obtain sampling result of calculation and to its data processing module handled and output processes and displays module, this display module is connected with communication module, further comprises OLED display module, display button module.

According to the described demarcation switch controller of the utility model preferred embodiment, described data processing module also is connected with the memory module that control output module, a clock module, is used for stores system parameters and logout, and is connected with the communication module signal.

According to the described demarcation switch controller of the utility model preferred embodiment, described communication module comprises and carries out the GPRS communication module of transfer of data with control station and carry out message transmission with host computer and adopt the service port communication module of full duplex RS232 communication modes.

According to the described demarcation switch controller of the utility model preferred embodiment, this demarcation switch controller also comprises in order to involution, closing operation, the button of sub-switching operation, wherein closing operation and sub-switching operation are combination button, and this button is connected in described data processing module.

According to the described demarcation switch controller of the utility model preferred embodiment, described analogue collection module comprises voltage acquisition unit, current acquisition unit.

According to the described demarcation switch controller of the utility model preferred embodiment, described power module comprises in order to SPU and external external power supply unit of powering to in-line power, and built-in super capacitor stand-by power supply.

According to the described demarcation switch controller of the utility model preferred embodiment, this demarcation switch controller also comprises one group of status indicator lamp in order to indication fault, unusual, blocking,

Owing to adopted above technical characterictic, make the utility model than prior art, have following advantage and good effect:

The first, the demarcation switch controller that the utility model provides adopts the GPRS communication modes, can upload collection capacity information automatically, carry out distant place on/off switch operation, cooperates with control station and finishes the protection operation;

The second, adopt the OLED technology, clear display, temperature range and visual angle are wide, and the display resolution of 128*64dpi, man-machine interface close friend, displaying contents is clear.

Three, computational accuracy height, measuring range is wide, and with the output loop of multiple soft, hardware faulty action preventing design, output is reliable.

Four, built-in super capacitor energy-storage element, and power supply externally is provided, the system that can guarantee still carries out output function at least once after outage; Have data power down hold function and good EMC performance.

Certainly, implement any one specific embodiment of the utility model content, might not reach above whole technique effect simultaneously.

Description of drawings

Fig. 1 is the construction module figure of a kind of demarcation switch controller of the utility model.

Embodiment

For ease of understanding,,, do being described in further detail to preferred embodiment of the present utility model below in conjunction with accompanying drawing.

As shown in Figure 1, the demarcation switch controller that provides of the utility model comprises analogue collection module 11, switch acquisition module 12, power module 13, analog quantity computing module 14, data processing module 15, data processing display module 16, communication module 21.

Wherein data processing module 15 is connected with main key-press module 17, memory module 18, clock module 19 and control output module 20.Data processing display module 16 connects OLED display module 22 and display button module 23.Communication module 21 has comprised GPRS communication module 210 and service port communication module 211 again.. memory module 18 is in order to storing system parameters and logout, and adopts the iic bus communications with data processing module 15.During clock module 19 practical applications, can adopt the PCF8563 chip, comprise perpetual calendar in it, and be employing I with described data processing module 15 ²The C bus communication.

Analogue collection module 11 comprises 110 yuan of voltage acquisition lists and current acquisition unit 111, mainly in order to voltage and current is gathered; After analog quantity computing module 14 gets access to the voltage and current signal, utilize means such as fft algorithm, filtering to obtain the effective value of voltage, electric current, use for data processing module master MCU 15.

Switch acquisition module 12 is gathered the state of switching values, go to tremble wait filtering operation after, with quantity of state information providing data processing module 15 uses of gathering.

Described power module 13 comprises that in-line power unit 130 that controller is powered and the standby external power supply unit 131 of externally powering are as stand-by power supply.All modules of the 130 pairs of controllers in in-line power unit are powered, independently-powered respectively to analogue collection module 11, switch acquisition module 12, control output module 20, communication module 21, OLED display module 22, and use optocoupler etc. to carry out electrical isolation to intermodule; Externally power supply unit 131 externally provides the 24V/48V power supply, does stand-by power supply usefulness simultaneously after the controller outage, and the assurance system can carry out a sub-switching operation at least and upload GPRS information after outage.

Data processing module 15 from described analog quantity computing module 14, read voltage, electric current, etc. the result, read switch amount state from described switch acquisition module 12, judge according to real-time voltage, current value, if single phase ground fault or phase fault take place, then start described control output module 20 and carry out trip operation, isolated fault.Simultaneously, data such as the voltage gathered, electric current are preserved operation respectively and given data processing display module 16 with data passes.

Data processing module shows that 16 read information such as electric current, voltage, system parameters from data processing module 15, reads parameter modification information from OLED display module 22 simultaneously, passes to data processing module master 15.

Control output module 20 receives the on/off switch order of data processing modules 15, and control output module 20 at first carries out condition judgment, if currently allow to carry out the order that data processing module 15 is sent, then carries out this operation, otherwise refusal.

Described communication module 21 is the duplex structure, comprises one road working hole and one tunnel service port.Working hole adopts 101 agreements, supports GPRS, full duplex RS232,485 3 kinds of communication modes of half-duplex RS, finish communication with control station, the active upload fault message, and can carry out the distant place on/off switch order that control station sends, cooperate control station to realize the intelligent management of electric network protection; Service port adopts full duplex RS232 communication modes, and inner self-defining brief agreement is finished host CPU and the communication that shows CPU, makes host computer and controller carry out exchanges data reading and the read-write of parameter with the realization real time data.

Described OLED display module 22 adopts the OLED Display Technique data such as electric current, voltage to be shown this kind technology need not backlight, adopts extremely thin coating of organic material and glass substrate usually, and when electric current passed through, these organic materials will be luminous.Adopt the screen of OLED technology can do lighter and thinnerly, visible angle is bigger, and can significantly save electric energy, with traditional lcd technology, it has, and ultralight is thin, high brightness, wide viewing angle, self-luminous, response speed are fast, adaptive temperature wide ranges, antidetonation advantage strong and low in energy consumption.

During practical application; described OLED display module 22 is installed in the housing front of controller; there are data query, system information, local operation, parameter that four submenus are set; relevant informations such as current electric current, current voltage, quantity of state information, system time, self check information, malfunction, system parameters can be shown respectively, operations such as on/off switch, parameter setting, protection involution, removing logout can be carried out.

In addition, also have main key-press module 17 and display button module 23 in the housing front of described demarcation switch controller.Main key-press module 17 links to each other with data processing module 15, is carried out the identification of button and is gone to tremble function by data processing module master MCU 15.Display button module 23 links to each other with data processing display module 16, and by display button module 23, the user can realize operations such as data query, parameter query, parameter setting and system operation easily.

More than disclosed only be preferred embodiment of the present utility model; but be not to be used for limiting itself, anyly have the knack of those skilled in the art, under the situation of the utility model spiritual connotation; the equalization of being done changes and changes, and all should drop in the protection range of the present utility model.

Claims

1. demarcation switch controller, it is characterized in that, comprise power module, communication module, in order to analogue collection module that voltage and current is gathered, in order to switch amount carry out state acquisition the switch acquisition module, in order to the voltage and current to described analogue collection module collection carry out computing module that inner sampling calculates, in order to obtain sampling result of calculation and to its data processing module handled and output processes and displays module, this display module is connected with communication module, further comprises OLED display module, display button module.

2. demarcation switch controller as claimed in claim 1 is characterized in that, described data processing module also is connected with the memory module that control output module, a clock module, is used for stores system parameters and logout, and is connected with the communication module signal.

3. demarcation switch controller as claimed in claim 1, it is characterized in that described communication module comprises and carries out the GPRS communication module of transfer of data with control station and carry out message transmission with host computer and adopt the service port communication module of full duplex RS232 communication modes.

4. according to the described demarcation switch controller of claim 1, it is characterized in that this demarcation switch controller also comprises in order to involution, closing operation, the button of sub-switching operation, wherein closing operation and sub-switching operation are combination button, this button is connected in described data processing module.

5. according to the described demarcation switch controller of claim 1, it is characterized in that described analogue collection module comprises voltage acquisition unit, current acquisition unit.

6. according to the described demarcation switch controller of claim 1, it is characterized in that described power module comprises in order to SPU and external external power supply unit of powering to in-line power, and built-in super capacitor stand-by power supply.

7. according to the described demarcation switch controller of claim 1, it is characterized in that this demarcation switch controller also comprises one group of status indicator lamp in order to indication fault, unusual, blocking.