GPRS network table intelligent terminal box
Technical field
The present invention relates to a kind of electric power meter, particularly a kind of GPRS network table intelligent terminal box.
Background technology
Conventional metered dose table case is made up of metering current mulual inductor and electric energy meter, can only realize electric energy metrical.The GPRS network table is the network power table that occurs in recent years, has long distance meter reading, forward purchasing electric work energy.In 50KVA-100KVA user or transformer platform district, because the GPRS network table is purchased electric work energy imperfection, after input is purchased electricity, the arrearage warning message is not obvious, only show that by the alarm lamp on the GPRS network table user is difficult to discover, and makes the user can not in time understand electricity consumption, dump energy situation, miss and purchase the electricity time, cause and do not have the tripping operation of preparation.The not clear trip reason of tripping operation back user does not know that the arrearage tripping operation still is a fault trip, can't in time recover to send electricity, influences user's ordinary production, influences the electric power system electricity sales amount yet.In addition, when the people opens the gauge table case, do not have warning function, have potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of information gathering, analysis, the intelligentized GPRS network table of processing intelligent terminal box realized, be used for the user side management, purchase fulgurite reason, switch monitoring, reporting events, internal control personnel checking-up and have warning function, can guarantee safety, the reliability service of metering device, prevent the generation of stealing incident.
Technical solution of the present invention is: this GPRS network table intelligent terminal box comprises casing 15, casing 15 is divided into metering units 17 and subscriber switch unit 16, isolating switch 5 is installed in metering units 17, metering current mulual inductor 6 and GPRS network table 8, on-load switch 11 is installed in subscriber switch unit 16, GPRS network table 8 is connected with on-load switch 11, its special character is: Based Intelligent Control warning device 2 is installed in metering units 17, described Based Intelligent Control warning device 2 is connected by data wire with GPRS network table 8 and carries out both-way communication, that both can gather GPRS network table 8 purchases electrical information and explicit user dump energy and net list ruuning situation, the local information that Based Intelligent Control warning device 2 is gathered can be uploaded to negative control center again; In metering units 17, be provided with gate inhibition's switch 7, described gate inhibition's switch 7 is connected with GPRS network table 8 with Based Intelligent Control warning device 2 respectively, when opening the door, report to the police by Based Intelligent Control warning device 2 and by GPRS network table 8 automatically record open the door the date, door opening times and time also report negative control center, corresponding on-load switch 11 positions are equipped with and isolate plate washer 12 and pass through sealing lock 13 lockings in subscriber switch unit 16, breaking coil and outlet side at on-load switch 11 also are connected to tripping operation recognition device 18, described tripping operation recognition device 18 links to each other with Based Intelligent Control warning device 2, analyzes automatically and identification on-load switch trip reason and on off state and to point out the user be the arrearage tripping operation or carry out sound and light alarm because of the line fault tripping operation and to all kinds of abnormalities by Based Intelligent Control warning device 2.
Above-mentioned GPRS network table intelligent terminal box, described Based Intelligent Control warning device 2 is inlaid in metering units door 4 inner surfaces, and the Based Intelligent Control warning device is taked embedded installation, is easy to Installation and Debugging.
Above-mentioned GPRS network table intelligent terminal box, in casing 15, be provided with GPRS antenna holder 10, be provided with the antenna fairlead at casing 15 end faces, at antenna fairlead place the cushion rubber 9 that the surface is provided with the water-tight film is installed, passes as if the more weak taper external antenna can being installed on the GPRS antenna holder 10 and by cushion rubber 9 of discovery signal during debugging, because the antenna emitter can guarantee the GPRS field intensity outside case, both dustproof, waterproof, can't dismantle again, effectively prevent artificial destruction and mobile, play antitheft effect.
Above-mentioned GPRS network table intelligent terminal box is provided with the warning key 201 that only rings on the panel of Based Intelligent Control warning device 2, be used for can temporarily removing the audio alert state after the user understands warning reason.
Above-mentioned GPRS network table intelligent terminal box, described Based Intelligent Control warning device 2 has serial line interface 23, is used for being connected with microcomputer the information of preserving in the typing Based Intelligent Control warning device 2.
The advantage of this GPRS network table intelligent terminal box is:
1, parts such as net list, metering device, on-load switch and GPRS communication antenna is installed in the casing and by the unified control of Based Intelligent Control warning device, employing is that the Based Intelligent Control warning device of core substitutes conventional metered dose table case with the single-chip microcomputer, makes the realization of functions such as management, analysis, information gathering record, warning be readily solved.Utilize single-chip microcomputer control technology to combine with the GPRS network table, can gather information such as purchasing electric weight, dump energy, net list ruuning situation and subscriber switch state by the Based Intelligent Control warning device, possesses sound and light of alarm, make the batch meter intellectual management, realized the timely communication at local information and negative control center, in time obtain and purchase electrical information, in time upload abnormal conditions; And show and voice broadcast by Chinese character according to on-site actual situations, make things convenient for the user to purchase electricity, harmonious with the electricity consumption relation.
2, can discern on-load switch state and trip reason automatically by tripping operation recognition device combined with intelligent control warning device, follow the sound and light alarm prompting.
3, on-load switch installs additional and isolates baffle plate and sealing lock, unauthorized unit dismounting on-load switch privately must leave a trace, can avoid the user arbitrarily to dismantle on-load switch, provide technical support for tracing electricity filching behavior, prevent from artificially to dismantle the metered side power line, cause error in dipping or do not have metering, guarantee safety, the reliability service of metering device, prevent that the stealing incident from taking place.
4, this termination rack is not influenced by various model GPRS network off-balancesheet shapes and display screen structure, can be used for the user side management, purchase fulgurite reason, switch monitoring, reporting events, internal control personnel checking-up, applied range, may be used on 315KVA and following user, can also promote the use of high pressure user match system.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a panel schematic diagram of the present invention;
Fig. 3 is a circuit block diagram of the present invention.
Among the figure: net list observation window 1, Based Intelligent Control warning device 2, key 201 terminal boards 3 that only ring of reporting to the police, metering units door 4, isolating switch 5, metering current mulual inductor 6, gate inhibition's switch 7, GPRS network table 8, external antenna 9, GPRS antenna holder 10, on-load switch 11 is isolated plate washer 12, sealing lock 13, subscriber switch cell gate 14, casing 15, subscriber switch unit 16, metering units 17, tripping operation recognition device 18, metering units door lock 19, metering units sealing lock 20, handle 21, end of incoming cables 22, serial line interface 23.
Embodiment
As shown in the figure, this termination rack comprises casing 15, casing 15 is divided into metering units 17 and subscriber switch unit 16 by dividing plate, metering units 17 and subscriber switch unit 16 are provided with metering units door 4 and subscriber switch cell gate 14, on metering units door 4, be provided with metering units door lock 19 and metering units sealing lock 20, on metering units door 4 and subscriber switch cell gate 14, be provided with handle 21.Isolating switch 5, metering current mulual inductor 6, GPRS network table 8 and tripping operation recognition device 18 are installed in metering units 17, on-load switch 11 is installed in subscriber switch unit 16, the end of incoming cables 22 of this termination rack is connected with on-load switch 11 by isolating switch 5, metering current mulual inductor 6 is connected on the circuit between isolating switch 5 and the on-load switch 11, GPRS network table 8 is connected with metering current mulual inductor 6 and is used for gathering power consumption, and can report to negative control center through GPRS network; GPRS network table 8 also is connected with on-load switch 11, being used for controlling on-load switch 11 carries out the arrearage tripping operation or carries out the remote control tripping operation by the trip signal that GPRS network table 8 is issued at negative control center, and, learn whether on-load switch 11 finishes tripping operation by on-load switch 11 collection trip signals.
In casing 15, be provided with GPRS antenna holder 10, be provided with the antenna fairlead at casing 15 end faces, at antenna fairlead place the cushion rubber 9 that the surface is provided with the water-tight film is installed, passes by cushion rubber 9 if find the more weak taper external antenna can being installed on the GPRS antenna holder 10 of signal during debugging.Be provided with net list observation window 1 on metering units door 4, be embedded with Based Intelligent Control warning device 2 at metering units door 4 inner surfaces, described Based Intelligent Control warning device 2 also can be installed in appropriate location in the metering units 17.Based Intelligent Control warning device 2 is provided with terminal board 3, and described Based Intelligent Control warning device 2 is to be constituted and had serial interface 23 by single-chip microcomputer, display screen and audible-visual annunciator, is used for being connected with microcomputer the information of preserving in the typing Based Intelligent Control warning device 2.Alarm lamp in the described audible-visual annunciator and loud speaker are arranged on the panel of Based Intelligent Control warning device 2, described Based Intelligent Control warning device 2 is connected by data wire with GPRS network table 8 and carries out both-way communication, but both collection network table 8 purchase electrical information and explicit user dump energy and net list 8 ruuning situations, the local information that Based Intelligent Control warning device 2 can be gathered upload to negative control center through net list 8 again; In metering units 17, be provided with gate inhibition's switch 7, described gate inhibition's switch 7 is connected with GPRS network table 8 with Based Intelligent Control warning device 2 respectively, be used in when opening the door by Based Intelligent Control warning device 2 carry out sound and light alarm and by GPRS network table 8 automatically record open the door date, door opening times and time and can report negative control center, thereby when the user opens the door to the user warn, the call user's attention handling safety, and the on-the-spot inspection situation of personnel patrolled and examined in record automatically, and power utility check personnel and metrological service are examined to on-the-spot calibration.Corresponding on-load switch 11 positions are equipped with and isolate plate washer 12 and pass through sealing lock 13 lockings in subscriber switch unit 16, the signal input part of tripping operation recognition device 18 is connected on the breaking coil of on-load switch 11 and the outlet side of on-load switch 11, and described tripping operation recognition device 18 outputs link to each other with Based Intelligent Control warning device 2.The outlet side of on-load switch 11 does not have the signal of telecommunication when arrearage is tripped, breaking coil has the signal of telecommunication, the outlet side of on-load switch 11 and breaking coil all do not have the signal of telecommunication when fault trip, the different level signal of tripping operation recognition device 18 outputs is given Based Intelligent Control warning device 2, automatically analyze and identification on-load switch 11 trip reasons and on off states by Based Intelligent Control warning device 2, the prompting user is the arrearage tripping operation or carries out the sound and light alarm prompting because of the line fault tripping operation and to all kinds of abnormalities.
The time of fire alarming of Based Intelligent Control warning device 2, volume can be adjusted as required.On the panel of Based Intelligent Control warning device 2, also be provided with the warning key 201 that only rings, be used for after the user understands warning reason, can temporarily removing the audio alert state, but light warning remains valid, remove up to alert event, sound and light alarm is invalid, and waiting next time, alert event takes place.