CN202374046U - Intelligent power load control management terminal device - Google Patents
Intelligent power load control management terminal device Download PDFInfo
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- CN202374046U CN202374046U CN2011205312938U CN201120531293U CN202374046U CN 202374046 U CN202374046 U CN 202374046U CN 2011205312938 U CN2011205312938 U CN 2011205312938U CN 201120531293 U CN201120531293 U CN 201120531293U CN 202374046 U CN202374046 U CN 202374046U
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- power load
- load control
- control management
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Abstract
The utility model relates to an intelligent power load control management terminal device, which comprises a main central processing unit (CPU) module, an electric meter module and a communication module, wherein the main CPU module is connected with the electric meter module through a serial interface and is used for acquiring information of an electric meter of a user and transmitting the information to the main CPU module for processing; and the main CPU module is connected with the communication module through a serial interface and is used for transmitting the data processed by the CPU module. By the device, the requirements for field terminal network communication, load management, data storage, data encryption and compression and other complex functions are met, and the device has the functions of monitoring and alarming abnormal electricity utilization and controlling power load.
Description
Technical field
The utility model relates to a kind of intelligent electric power Load Control Management terminal installation, belongs to power equipment office terminal technical field.
Background technology
According to State Grid Corporation of China about the specification requirement of the latest requirement of electricity load management terminal and south electric network broadcasting and TV group to electricity load management terminal; And the requirement of each province's grid company bid technical conditions such as Guangdong, Chongqing, Sichuan; The electric power system user is now in order to guarantee technical advance and the extensibility to electricity load management terminal; System platform to device has proposed clear and definite specification requirement; Require to adopt main flow 32 bit processors to add embedded operating system design scheme, to guarantee sophisticated functions requirements such as on-site terminal network service, load management, storage, data encryption and compression.
The utility model content
The utility model technical problem to be solved is, overcomes the shortcoming of prior art, and a kind of intelligent electric power Load Control Management terminal installation is provided, and has the controlled function to multiplexing electric abnormality monitoring and warning function, power load.
In order to solve above technical problem; The utility model provides a kind of intelligent electric power Load Control Management terminal installation; Comprise host CPU module, ammeter module and communication module; Said host CPU module links to each other with said ammeter module through serial line interface, delivers to said host CPU module in order to collection electric supply meter information and handles; Said host CPU module is connected with communication module through serial line interface, in order to host CPU resume module gained data are transmitted.
The technical scheme that the utility model further limits is: aforesaid intelligent electric power Load Control Management terminal installation; Said terminal system adopts phase three-wire three or three-phase and four-line external power supply to link to each other; A disconnected phase voltage when phase three-wire three is supplied power; Under the condition of disconnected two-phase voltage, AC power can be kept the terminal operate as normal during three-phase and four-line power supply.
Aforesaid intelligent electric power Load Control Management terminal installation, said communication module is GPRS communication module, 230M wireless communication module or broadband communications module, can form dissimilar products according to different demands.
Aforesaid intelligent electric power Load Control Management terminal installation, said host CPU module are provided with lattice lcd display interface, serial clock, local data interface and 3 serial line interfaces.
Further; Aforesaid intelligent electric power Load Control Management terminal installation, said local data interface is RS232, RS485, USB or Ethernet interface, can locally revise device parameter through local data interface; And the equipment self-inspection function is arranged, can report running status and fault message.
The beneficial effect of the utility model is: the utility model satisfies national grid fully about the specification requirement to electricity load management terminal of the latest requirement of electricity load management terminal and south electric network broadcasting and TV group, has guaranteed the technical advance and the extensibility of electricity load management terminal.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model host CPU module interface sketch map.
Fig. 3 is the electricity load management terminal sketch map of the utility model based on 32 ARM chips.
Embodiment
Embodiment 1
A kind of intelligent electric power Load Control Management terminal installation that present embodiment provides; Structure is as shown in Figure 1; Comprise host CPU module, ammeter module and communication module; Said host CPU module links to each other with said ammeter module through serial line interface, delivers to said host CPU module in order to collection electric supply meter information and handles; Said host CPU module is connected with communication module through serial line interface, in order to host CPU resume module gained data are transmitted; Said terminal system adopts the power supply that links to each other with external power supply of phase three-wire three or three-phase and four-line, and said communication module is GPRS communication module, 230M wireless communication module or broadband communications module; On the host CPU module, be provided with lattice lcd display interface, serial clock, local data interface and 3 serial line interfaces, local data interface is one or more in RS232, RS485, USB or the Ethernet interface.
The host CPU module the key technical indexes of the utility model:
CPU selects AT9261 (not external RAM), FLASH memory bank AT49BV6416 for use; Be provided with 3 serial ports (Transistor-Transistor Logic level), add a slice 16C550, a slice serial clock (battery is introduced outward by plate), lattice lcd display interface; The LED that can indicate running status; Undefined IO port all is connected on the contact pin pin; Supporting bottom layer driving software, is wiped software kit at the reading and writing of timer, interrupt service routine, FLASH, the clock read-write program, and software is online to download; External power supply 3.3V; Working temperature :-40 ℃ to 70 ℃; Working relative humidity: 5%-95%
The intelligent electric power Load Control Management terminal installation supply power mode of present embodiment is used the three phase supply mode, a disconnected phase voltage when phase three-wire three is supplied power, and under the condition of disconnected two-phase voltage, AC power can be kept the terminal operate as normal during three-phase and four-line power supply; Supply power voltage (can operate as normal in 3 * 100V, the 3 * 57/100V, 3 * 220/380V) ± 20% in rated voltage.
And the use stand-by power supply, losing under the condition of AC power, the terminal should have data to keep and keep clock chip work, and has the ability that once (reports dead electricity date, time, meritorious, capacity of idle power constantly) with the main website communication at least.
The consumed power of equipment is (state of not communicating by letter with the main website machine) under stand-by state, and the consumed power of load management terminal should be not more than 10 volt-amperes/phase.
Specification requirement to remote control remote signalling interface:
(1) switching value input: the 6 tunnel, passive input (pulse/remote signalling can be established), wherein 4 tunnel remote signalling inputs (control loop), 1 road door contact, the 1 road reserves.
(2) switching value output:
Control loop: the 4 tunnel, non-self-sustaining output (requiring all to support to open/close the two-position state); Alarm output: the 1 tunnel, Chang Kaifei self-sustaining output.
Contact capacity: AC 220V/5A, DC 30V/5A.
Dielectric voltage withstand: 2000V.
The intelligent electric power Load Control Management terminal installation safe performance indexes of present embodiment:
1) do not eavesdropped, destroys even replacement change data in the data of wireless public network transmission for guaranteeing, require terminal and master station communication must possess data encryption and integrated authentication mechanism by the disabled user.
2) after the power failure, data are not lost, and data hold time is not less than 10 years.
3) authentication that is connected all " user+password " that must be through the terminal of any and on-site terminal.
4) on shell, button box, must have can seal the place, open to prevent unauthorized people.
5) have on-the-spot test (setting) communication port, and can seal up.
6) forceful electric power, light current terminal should be arranged respectively, guarantee to have enough insulation distances.
7) insulation resistance: temperature 10-30 ℃, relative humidity less than 80% condition under, insulation resistance must meet the following table requirement.
8) should have perfect lightning protection measures, especially the lightning protection measures of power line, communication interface (comprising RS485, RS232, Modem mouth).
9) industrial frequency withstand voltage: must meet table 2 regulation:
Table 2: industrial frequency withstand voltage requirement.
10) electromagnetic compatibility requirement
Careful electromagnetic Compatibility Design (mechanical structure, power supply, PCB cabling, decouple, aspects such as filtering, ground connection, photoelectricity isolation) is improved in requirement, can adapt to abominable running environment such as the gentle high humidity of height, with reference to 4.5 execution of GB/T 17215-1998.
11) terminal box gap and creepage distance require: must meet following table 3 regulations:
Table 3: gap and creepage distance list
The intelligent electric power Load Control Management terminal installation function specification requirement of present embodiment:
Check meter in the terminal
1) interface: 1 road RS485;
2) stipulations: the ammeter stipulations of having used in support DL/T-645 communication protocol and the Guangdong Province's scope, support ammeter stipulations storehouse, main website remote upgrade terminal.
AC sampling
1) possesses the AC sampling function, comprise three-phase voltage, electric current, power, phase place, requirement (average power) etc.;
2) voltage measurement precision is not less than 1 grade (error requirements: ± (1%Rd+1) V);
3) current measurement precision is not less than 2 grades (error requirements: ± (2%Rd+0.01) A).
Communication channel
1) supports GPRS, CDMA, short message, dialing modes such as (point-to-point);
2) communication module adopts the wireless communication chips of industry mainstream vendor technical grade, and chip requires to adopt Siemens, Sony-Ericson, Motorola or manufacturer's chips such as Samsung, high pass;
3) wireless communication section at terminal must be modularized design, maintains easily and changes.If change the communication network type, only need to change communication module, need not change whole terminal.
The copy reading and the memory requirement of following data should be able to be satisfied in the terminal:
1) call the survey data in real time together:
Always, point, peak, flat, the meritorious electric weight of paddy (table sign indicating number);
Always, point, peak, flat, paddy capacity of idle power (table sign indicating number);
A, B, each phase current of C, voltage;
A, B, C each meritorious mutually, reactive power.
2) curve data:
Forward and reverse meritorious, idle, four-quadrant is idle, and default data is spaced apart data of per 15 minutes kinds, can data break be set through main website, preserves nearest data (adopting terminal time, down together) more than 30 days;
A, B, each phase current of C, voltage curve, default data are spaced apart data of per 15 minutes kinds, can data break be set through main website, preserve nearest data more than 30 days;
Each reaches total meritorious, reactive power curve mutually A, B, C, and default data is spaced apart data of per 15 minutes kinds, can data break be set through main website, preserves nearest data more than 30 days.
3) day data:
Always, point, peak, flat, the meritorious electric weight of paddy (table sign indicating number), preserve nearest data more than 30 days, be defaulted as zero point every day, can be provided with through main website;
Always, point, peak, flat, paddy capacity of idle power (table sign indicating number), preserve nearest data more than 30 days, be defaulted as zero point every day, can be provided with through main website;
The lower limit more of A, B, each phase voltage of C, upper limit cumulative time, upper and lower limit index can be passed through the main website setting more, preserve nearest data more than 30 days;
The decompression time of A, B, each phase of C and decompression electric weight.
4) month data:
Always, point, peak, flat, the meritorious electric weight of paddy (table sign indicating number) (preserve nearest data more than 6 months, be defaulted as zero point at every month the end of month, can be provided with) through main website;
Always, point, peak, flat, paddy capacity of idle power (table sign indicating number) (preserve nearest data more than 6 months, be defaulted as zero point at every month the end of month, can be provided with) through main website;
The lower limit more of A, B, each phase voltage of C, upper limit cumulative time, rate of qualified voltage (preserve nearest more than 6 months data) more;
The decompression time of A, B, each phase of C and decompression electric weight (preserve nearest more than 6 months data);
Maximum demand and time of origin thereof (preserve nearest more than 6 months data).
Alarm event:
Preserve nearest 100 records of all incidents.
Data compression
During with master station communication, should possess the function of batch data Compression and Transmission, compression ratio is not less than 50%.
To the time
Possess with main website to the time function, the terminal clock error is no more than ± 3s/d.
Multiplexing electric abnormality monitoring and warning function:
During multiplexing electric abnormality, the terminal should have the function to the main website active alarm, and anomalous event comprises as follows:
1) metering cabinet is opened (requirement have switching value signal output) unusually: opening time, electric weight (meritorious-total, point, peak, paddy, flat, requirement, idle always) at that time.Acquiescence door contact is for often opening, but can be provided with;
2) ammeter is opened (requirement have switching value signal output) unusually: opening time, electric weight (meritorious-total, point, peak, paddy, flat, requirement, idle always) at that time;
3) decline of indication electric weight is judged: judge that the ammeter indication initiatively reports when descending, content is time of origin, electric weight.
4) ammeter changing parameter: to the setting of degree, manually requirement return-to-zero, period, rate etc. at the bottom of the electric weight; Record and initiatively report time of origin, preceding/after parameter, preceding/back electric weight is set;
5) ammeter running status change: it is differential etc. that the terminal judges that through the AC sampling data that read real time data such as ammeter electric current, voltage, power, power factor and terminal ammeter voltage lacks (break) phase, overload, voltage (stream) negative phase sequence, electric current reversed polarity, current differential, power, record also initiatively report time of origin, preceding/after electric weight;
6) have a power failure, go up electric alarm: the terminal has a power failure, and initiatively reports interruption duration, current electric quantity; After the terminal powers on, initiatively report power-on time, current electric quantity;
7) error connection of detection voltage, current circuit;
8) the monitoring current unbalance factor overproof (three-phase load is uneven detect be meant the three-phase average current greater than the dedicated transformer rated current 20%);
9) phase failure, overvoltage, cell voltage are crossed ammeter incidents such as low;
10) can write down type that above-mentioned incident takes place, cumulative frequency, nearest 100 times time of origin etc.
Load controlling function
1) definite value setting: power definite value (power control) and electric weight definite value (automatically controlled) can be set, and definite value and period (time control) be (main website) setting or on-the-spot (terminal) setting in the distance.Require the terminal can store 4 plan load curves at least;
2) control automatically: under all satisfactory condition of time period, definite value, preparatory trip signal is sent at the terminal, in setting-up time (as 15 minutes), if load does not drop to below the definite value, then sends trip signal.Send preparatory trip signal or trip signal terminal and all will initiatively report main website relevant information (time that says the word, forward and backward power or electric weight).Keep away that peak time finishes, after the electric weight definite value resets, provide automatically and allow switching signal and initiatively report main website relevant information (sending the forward and backward power of signal);
3) support main website to download the order of temporarily rationing the power supply, by the requirement of the rationing the power supply control of rationing the power supply temporarily;
4) control shows: on the terminal, display screen must be arranged, show relevant informations such as definite value, controlling object, execution result;
5) main website can be to terminal marshalling carrying out group control or the remote control of single terminal;
6) fail safe: trip signal output must have the faulty action preventing measure.
Has the local maintenance port
Can locally revise device parameter through this interface.The equipment self-inspection function is arranged, can report running status and fault message.
Remote upgrade
Has remote online upgrading terminals function of application.
Show
Answer harness to be equipped with LCD display backlight on the terminal, can operate contents such as showing amr message, the communication information, fault message, warning message, tripping operation information.
Expanded function
1) has the electric energy metrical function, can carry out the comparison of multichannel information about power;
2) warning function: electric weight is differential, current transformer short circuit, open circuit, table meter are flown away, electric weight flies away etc.
The running environment specification requirement of the intelligent electric power Load Control Management terminal installation on-site terminal of present embodiment:
Normal working temperature :-10 ℃～+ 45 ℃ (being suitable for indoor on-site terminal);
Working temperature limit :-20 ℃～+ 55 ℃ (being applicable to indoor on-site terminal);
Normal working temperature :-15 ℃～+ 65 ℃ (be applicable to and be loaded on outdoor on-site terminal);
Working temperature limit :-25 ℃～+ 75 ℃ (be applicable to and be loaded on outdoor on-site terminal).
Except that the foregoing description, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (5)
1. intelligent electric power Load Control Management terminal installation; It is characterized in that: comprise host CPU module, ammeter module and communication module; Said host CPU module links to each other with said ammeter module through serial line interface, delivers to said host CPU module in order to collection electric supply meter information and handles; Said host CPU module is connected with communication module through serial line interface, in order to host CPU resume module gained data are transmitted.
2. intelligent electric power Load Control Management terminal installation according to claim 1 is characterized in that: said terminal system adopts phase three-wire three or three-phase and four-line to link to each other with external power supply.
3. intelligent electric power Load Control Management terminal installation according to claim 1 is characterized in that: said communication module is GPRS communication module, 230M wireless communication module or broadband communications module.
4. intelligent electric power Load Control Management terminal installation according to claim 1 is characterized in that: said host CPU module is provided with lattice lcd display interface, serial clock, local data interface and 3 serial line interfaces.
5. intelligent electric power Load Control Management terminal installation according to claim 4 is characterized in that: said local data interface is RS232, RS485, USB or Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205312938U CN202374046U (en) | 2011-12-16 | 2011-12-16 | Intelligent power load control management terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205312938U CN202374046U (en) | 2011-12-16 | 2011-12-16 | Intelligent power load control management terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374046U true CN202374046U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205312938U Expired - Fee Related CN202374046U (en) | 2011-12-16 | 2011-12-16 | Intelligent power load control management terminal device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202374046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137385A (en) * | 2015-08-28 | 2015-12-09 | 国家电网公司 | Method of automatically monitoring resident three phase meter metering faults |
| CN106160232A (en) * | 2016-08-20 | 2016-11-23 | 国网山东滨州市沾化区供电公司 | A kind of load monitoring equipment for power system |
-
2011
- 2011-12-16 CN CN2011205312938U patent/CN202374046U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137385A (en) * | 2015-08-28 | 2015-12-09 | 国家电网公司 | Method of automatically monitoring resident three phase meter metering faults |
| CN106160232A (en) * | 2016-08-20 | 2016-11-23 | 国网山东滨州市沾化区供电公司 | A kind of load monitoring equipment for power system |
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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: 20120808 Termination date: 20171216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |