CN206028262U - Smart electric meter removes dust except that tin dross's set composite - Google Patents

Abstract

The utility model provides a smart electric meter removes dust except that tin dross's set composite, it includes first box and fixes the second box that links to each other with the bottom surface of first box, still includes ammeter outer container, ammeter outer container panel to and install electrometer monitoring device, collection device, electric charge calculation system, user authentication system, signalling device, the charging device in the ammeter outer container, the ammeter outer container sets up on the right side of second box, and the test section detects can realize removing dust dust removal and suction fan the collection to dust of air gun to pending ammeter behind the pending ammeter schedule time. The utility model provides an adopt artifical manual shell and artifical when the removing dust problem of poor, the inefficiency of degree of standard of strikeing with the air gun, it installs simple structure, and is easy and simple to handle, automatic competent, and the tin dross that removes dust is effectual, and the user can pass through the device, establishs ammeter and cell -phone communication, reaches the optimized utilization of electric power.

Description

A kind of intelligent electric meter dedusting is except the set composite of scruff

Technical field

This utility model belongs to electrical equipment dedusting technology field and electric service technology field, and in particular to a kind of intelligence electricity Table dedusting is except the set composite of scruff.

Background technology

Ammeter, the abbreviation of electric energy meter is the instrument for measuring electric energy, and also known as kilowatt-hour meter, energy meter, electric energy meter are kilowatt little When table, refer to the instrument for measuring various electrical quantities.In order to adapt to the use of intelligent grid and new forms of energy, intelligent electric meter is except possessing biography System electric energy meter basic electricity function of measuring beyond, it also have two-way various rate function of measuring, user side control function, The intelligentized functions such as the bidirectional data communication function of plurality of data transmission modes, anti-stealing electricity function, as which is low in energy consumption, the life-span The advantages of long, accurate measurement, is widely applied.In ammeter manufacture process, due to some reasons, production process can be produced Dust, and stick on the housing of ammeter, and it is indispensable in the manufacturing process medium wave peak welding procedure of ammeter, which is to ammeter Welding quality play critical effect, constantly have in welding process solder occur oxidation formed oxidation scruff, not only can The welding quality of associated components in ammeter is affected, the unfailing performance and degree of accuracy of meter amount, setting after encapsulation is more likely had influence on It is standby if subjected to be retained in the impact of dust and scruff inside ammeter, easily cause product bug.At present, the life of intelligent electric energy meter Mainly using manually percussion shell and air gun is manually used to the reset mode of dust and scruff in electric meter case body during product The method of dedusting, this mode standard degree is poor, high labor intensive, efficiency are low, constrains significantly the speed of modern production line.

On the other hand, developing rapidly with wireless communication technology and hand-held portable devices, mobile device is in daily life In application it is increasingly extensive, various functions service based on mobile terminal device is rapid to be extended, and Mobile solution technology gradually develops Become a brand-new industrial chain, the prominent representative of mobile phone exactly mobile terminal device.For this purpose, we are needed with reference to mobile phone just The property taken, finds the convenient effective ways that a kind of utilization mobile phone is checked meter, and allows user inquire about oneself current electricity consumption whenever and wherever possible Information.

Utility model content

The problem that this utility model is mainly solved is to provide the set composite that a kind of intelligent electric meter dedusting removes scruff, including First casing, first casing top are provided with the opening for inserting ammeter, are provided with for limiting electricity at the opening The limiting section of table placement location and for detecting test section that whether ammeter is in place；First box house is provided with and shakes Dynamic percussion portion, the vibration percussion portion can realize the percussion to pending ammeter；First box house is provided with dedusting Air gun, the dedusting air gun are fixed in first casing by being arranged at the location-plate of the first box inside wall, institute The air inlet pipe for stating dedusting air gun stretches out first casing by the first through hole for being arranged on the first casing lower surface；With institute The second casing that the bottom surface of the first casing is fixedly linked is stated, the upper surface of second casing is set with the bottom surface of first casing There is the through hole of insertion, the through hole includes first through hole, the second through hole and third through-hole；Second box house is provided with One intervalometer, second timer, the first relay, the second relay, the first electromagnetic valve, the second electromagnetic valve, buncher, air draught Machine, dust bag；The inlet scoop of the induced-draught fan is connected with second through hole, and the puff prot of the induced-draught fan is connected with dust bag Connect；The buncher is connected with the vibration percussion portion by power conveying axis, and the power conveying axis pass through the described 3rd Through hole；The first timer, the first relay, the first electromagnetic valve, buncher pass sequentially through electrical connection, make in the scheduled time The percussion to pending ammeter is realized in buncher operating afterwards；The second timer, the second relay, the second electromagnetic valve are successively By electrical connection, second electromagnetic valve is arranged in the air inlet pipe of the dedusting air gun, makes to realize dedusting after the scheduled time Dedusting of the air gun to pending ammeter；Also include ammeter outer container, ammeter outer container panel, and the ammeter in ammeter outer container Monitoring device, collection device, electricity charge computing system, subscriber identity authentication system, sender unit, charging device, the electricity Off-balancesheet case is arranged on the right side of the second casing, and the ammeter monitoring device is directly connected with the outfan of electric supply meter, collects dress Put and be connected with ammeter monitoring device, for gathering electricity use information；The input of electricity charge computing system be terminated with collection device and Sender unit, respectively reception have settled accounts using information about power, real-time electricity charge standard and charge value at present, and thus calculate User should currently pay electricity charge volume；The output of subscriber identity authentication system is terminated with collection device and electricity charge computing system, and it is right to be responsible for The user profile that request is tabled look-up is examined, and calculates system by collection device is passed to by the user instruction verified with the electricity charge System；Sender unit is connected with subscriber identity authentication system and electricity charge computing system respectively, and is taken with user mobile phone and power supply Communication is set up at business center, installs fluorescent display screen, light audio-switch, accumulator, in ammeter outer container on the ammeter outer container panel Interior upper end installing energy saving lamp, accumulator are connected with light audio-switch, electricity-saving lamp and fluorescent display screen, light audio-switch and electricity-saving lamp Electrical connection；The ammeter monitoring device includes the power supply for being arranged on inside and some current transformers for being arranged on inside, institute The one end for stating current transformer is connected with the power supply, and the power supply includes current source, one end of the current transformer with The current source is connected, and the power supply includes voltage source, and described vibration percussion portion includes that swing roller, centrifugation tap hammer, The swing roller center is provided with fourth hole along its axis direction；The fourth hole is coordinated with the power conveying axis, The centrifugation is tapped hammer and is evenly distributed on the circumference of the swing roller and is flexibly connected with the swing roller, the rotation It is uniformly distributed on the circumferencial direction of roller and is welded with ear mount, the centrifugation is tapped hammer and lived with the swing roller by the ear mount Dynamic connection, the centrifugation tap hammer front end and are connected with ball, and the location-plate is provided with the first casing junction Location-plate is facilitated to rotate rotating mechanism so as to change hole direction, the charging device is filled for accumulator under normal operating conditions Electricity, nor affects on the lighting problem of fluorescent display screen and electricity-saving lamp in the situation of power-off, and first casing is using transparent organic Glass is made, and second casing is made using rustless steel.

Further, the limiting section includes two sides edge and two bottoms edge, width of two sides between with wait to locate Quite, width of the bottom between is slightly less than the width of pending ammeter housing to the width of reason ammeter housing.

Further, the test section is photoswitch, and the test side of the photoswitch passes through the two of the limiting section Bar side edge, photoelectricity switch and power electric connection.

Further, the test section is votage control switch, and the votage control switch is arranged at the bottom edge of the limiting section.

Further, the second described through hole is provided with the drainage screen for filtering lime-ash.

Further, the location-plate is provided with several for dedusting air gun through the location hole for positioning, described some Individual location hole is evenly distributed on the location-plate.

Further, the subscriber identity authentication system, there is provided checking means include password authentification or orientation binding use The mobile phone that family oneself is specified.

Further, the sender unit is one-way transmission with the connection of subscriber identity authentication system, only allows letter Number dispensing device will send the user mobile phone information transmission of request signal to subscriber identity authentication system, support to use to binding mobile phone The service for checking credentials at family.

Further, the connection of the sender unit and subscriber identity authentication system is transmitted in both directions, and signal sends Device will send the user mobile phone information transmission of request signal to subscriber identity authentication system, subscriber identity authentication system further through Sender unit is tabled look-up password to user's query, supports password authentification service.

Further, the connection of the sender unit and electricity charge computing system is transmitted in both directions, sender unit The center of supply for receiving newest electricity charge standard and user charge value is settled accounts into and has sent electricity charge computing system to, the electricity charge have calculated system System except inquiring newest electricity charge standard to sender unit and settled accounts in addition to charge value, also by user is using electricity and calculates Sender unit is given in the electricity charge.

The beneficial effects of the utility model are：Coordinated with reflector using photoswitch induction apparatuss and removed with controlling ammeter dedusting The time started and deadline of scruff, vibration percussion portion is adjusted to pending electricity by the running speed of regulation buncher The percussion intensity of table, is provided with dust bag and can be collected process to dust, it is to avoid environmental pollution, solves using manually Tap the low problem of shell poor with standard degree when manually using air gun dedusting, high labor intensive, efficiency；Its apparatus structure is simple, behaviour Make easy, automatization level is high, dedusting is good except scruff effect, user can be set up ammeter and mobile communication, reached by the device To the optimum use of electric power.

Description of the drawings

Fig. 1 is a kind of intelligent electric meter dedusting of this utility model except the primary structure schematic diagram of the set composite of scruff.

Fig. 2 is a kind of intelligent electric meter dedusting of this utility model except the structural representation in the vibration percussion portion of the set composite of scruff Figure.

Fig. 3 is this utility model ammeter outer container internal structure schematic diagram.

Fig. 4 is this utility model ammeter outer container panel schematic diagram.

Fig. 5 is this utility model ammeter monitoring device schematic diagram.

In Fig. 1,2,3,4,0 is charging device, 1 is the first casing, 2 is the second casing, 3 is opening, 4 is limiting section；5 are Test section, 6 be vibration percussion portion, 7 be dedusting air gun, 8 be location-plate, 9 be first through hole, 10 be the second through hole, 11 be the 3rd Through hole, 12 be first timer, 13 be the first relay, 14 be the first electromagnetic valve, 15 be buncher, 16 be induced-draught fan, 17 For dust bag, 18 be power conveying axis, 19 be fourth hole, 20 be drainage screen, 21 be through hole, 41 be side along, 42 be bottom along, 51 For photoswitch induction part, 52 be reflector, 61 be ear mount, 62 for centrifugation tap hammer, 63 be ball, 64 be swing roller, 71 is muzzle, 72 is air inlet pipe, 81 is location hole, 82 is rotating mechanism, 121 is second timer, 131 is the second relay, 141 is the second electromagnetic valve, 24 is collection device, 25 is electricity charge computing system, 26 is subscriber identity authentication system, 27 is that signal is sent out Send device, 23 be ammeter outer container panel, 28 be fluorescent display screen, 29 be electricity-saving lamp, 30 be charging device, 31 open for light acoustic control Close, 32 be accumulator, 22 be ammeter outer container, 33 be ammeter monitoring device, 34 power supplys, 35 be voltage source, 36 be current source, 37 be Current transformer.

Specific embodiment

Below in conjunction with the accompanying drawings this utility model is conducted further description.

In order to be more clearly understood to technical characteristic of the present utility model, purpose and beneficial effect, now to this practicality New technical scheme carry out it is described further below, but it is not intended that to it is of the present utility model can practical range restriction.

As shown in figure 1, a kind of intelligent electric meter dedusting is present embodiments provided except the set composite of scruff, including the first casing 1 and the second casing 2 for being fixedly linked with the bottom surface of the first casing 1, also including ammeter outer container 22, ammeter outer container panel 23, and Ammeter monitoring device 33, collection device 24 in ammeter outer container 22, electricity charge computing system 25, subscriber identity authentication system 26th, sender unit 27, charging device 30, the ammeter outer container 22 are arranged on the right side of the second casing 2.

The opening 3 for inserting pending ammeter is provided with the top of first casing 1, is provided with for limiting electricity at opening 3 The limiting section 4 of table placement location and for detecting test section 5 that whether ammeter is in place；Limiting section 4 includes two sides along 41 It is suitable with the width of pending ammeter housing along the width between 41 along 42, two sides with two bottoms, width of two bottoms between 42 The width of slightly below pending ammeter housing；Test section 5 is photoswitch, and the induction part 51 and reflector 52 of photoswitch are distinguished Two sides installed in limiting section in 41 relative position, test section 5 and power electric connection.

First casing 1 is internally provided with vibration percussion portion 6, and vibration percussion portion 6 can realize the percussion to pending ammeter； First casing 1 is internally provided with dedusting air gun 7, and dedusting air gun 7 is fixed by being arranged at the location-plate 8 of 1 medial wall of the first casing In the first casing 1, the air inlet pipe 73 of dedusting air gun 7 stretches out first by the first through hole 9 for being arranged on 1 lower surface of the first casing Casing 1 is simultaneously entered in the second casing 2；Location-plate 8 is provided with several for dedusting air gun 7 through the location hole 81 for positioning, if A dry location hole 81 is evenly distributed on location-plate 8, location-plate 8 and 1 junction of the first casing be provided with facilitate location-plate 8 rotate from And change the rotating mechanism 82 of 81 direction of location hole.

The bottom surface for setting casing 1 inside the upper surface and the 1st of the second casing 2 is provided with the through hole 21 of insertion, and through hole 21 includes First through hole 9, the second through hole 10 and third through-hole 11；Second casing is equipped with first timer 12, second timer 121, first Relay 13, the second relay 131, the first electromagnetic valve 14, the second electromagnetic valve 141, buncher 15, induced-draught fan 16, dust bag 17；The inlet scoop of induced-draught fan 16 is connected with the second through hole 10, is provided with the drainage screen 20 for filtering lime-ash, air draught at the second through hole 10 The puff prot of machine 16 is connected with dust bag 17；Buncher 15 is connected with vibration percussion portion 6 by power conveying axis 18, power Conveying axis 18 pass through third through-hole 11；Test section 5 and first timer 12, the first relay 13, the first electromagnetic valve 14, speed governing electricity Machine 15 passes sequentially through electrical connection, and the operating of buncher 15 realization after making test section 5 detect the pending ammeter scheduled time is treated Process the percussion of ammeter；Test section 5 is passed sequentially through and is electrically connected with second timer 121, the second relay 131, the second electromagnetic valve 141 Connect, the second relay 131 and induced-draught fan 16 are by electrically connecting, the second electromagnetic valve 141 is arranged at the air inlet pipe 72 of dedusting air gun 7 On, make test section 5 after detecting the pending ammeter scheduled time, realize dedusting and induced-draught fan of the dedusting air gun 7 to pending ammeter The collection of 16 pairs of dusts.

As shown in Figure 2, vibration percussion portion 6 includes that swing roller 64, centrifugation tap hammer 62, and 64 center of swing roller is along which Axis direction is provided with fourth hole 19；Fourth hole 19 is coordinated with power conveying axis 18, and swing roller 64 can be conveyed in power Rotate under the drive of axle；Distribution being on the circumferencial direction of swing roller 64 and being welded with ear mount 61, centrifugation taps 62 activity of hammer even It is connected in ear mount 61；Centrifugation taps hammer 62 and is movably installed with ball 63 away from one end of ear mount 61 so that 64 turns of swing roller When dynamic, centrifugation is tapped hammer and can be tapped on pending ammeter by ball 63.

The framework of the first casing of ammeter dedusting tin removing device 1 that this utility model is related to adopts transparent organic glass system Into the second casing 2 is made using corrosion resistant plate, can easily observe working condition when device works.Power supply is selected The power supply of 220V exchange output 24V direct currents, whole device improve the safety of circuit using low-voltage direct；Test section 5 is selected Photoswitch, and using cooperatively with reflector 52, the light that the induction apparatuss 51 of photoswitch send reflected by reflector 52 after again Sensed device 51 is received and forms loop, shuts off the light that induction apparatuss 51 send when ammeter to be handled is passed through, this time The power supply of the signal control relay that electric switch sends；First relay 13 and the second relay 131 are auxiliary reclay, are used for The operation and stopping of control whole device circuit；First timer 12 and the respectively time relay of second timer 121, first Time of the time of the setting of intervalometer 12 more than the setting of second timer 121, first timer 12 is used for control to pending electricity The percussion of table is except the time started and execution cycle of scruff；Second timer 121 is according to the time started except scruff and completes week Phase sets corresponding delay time, after making to complete except scruff process, is controlled by the second relay 131 and the second electromagnetic valve 141 Dedusting air gun 7 starts to carry out pending ammeter the collection dust of air blowing dedusting and induced-draught fan 16.

As shown in Fig. 3,4,5, collection device 24 is directly connected with the outfan of electric supply meter, for gathering electricity using letter Breath；The input of electricity charge computing system 25 is terminated with collection device 24 and sender unit 27, receives respectively and uses electricity at present Information, real-time electricity charge standard and charge value is settled accounts, and thus calculated user and should currently pay electricity charge volume；Subscriber authentication system The output of system 26 is terminated with collection device 24 and electricity charge computing system 25, is responsible for examining the user profile that request is tabled look-up, And collection device 24 and electricity charge computing system 25 will be passed to by the user instruction verified；Sender unit 27 respectively with Family authentication system 26 and electricity charge computing system 25 connect, and set up communication with user mobile phone and electric service center, described Fluorescent display screen 28, light audio-switch 31, accumulator 32 are installed on ammeter outer container panel 23, section is installed in upper end in the ammeter outer container Can lamp 29, accumulator 32 is connected with light audio-switch 31, electricity-saving lamp 29 and fluorescent display screen 28, light audio-switch 31 and electricity-saving lamp 29 connections；The ammeter monitoring device 33 includes the power supply 34 for being arranged on inside and some current transformers for being arranged on inside 37, one end of the current transformer 37 is connected with the power supply 34, and the power supply 34 includes current source 36, and the electric current is mutual One end of sensor 37 is connected with the current source 36, and the power supply 34 includes voltage source 35.

Using test section 5, this utility model compared with prior art, monitors whether pending ammeter is in place, by fixed When device control ammeter dedusting except the time started and deadline of scruff, adjusted by adjusting the running speed of buncher 15 Percussion intensity of the vibration percussion portion 6 to pending ammeter, is provided with dust bag 17 and can be collected process to dust, it is to avoid environment Pollution, solves and adopting poor standard degree when manually tap shell and artificial air gun dedusting, high labor intensive, efficiency low Problem；Its apparatus structure is simple, and principle reliability is easy to operate, and automatization level is high, and dedusting is good except scruff effect, by electricity The fluorescent display screen 28 installed on off-balancesheet case panel 23, can clearly observe position and the numbering of ammeter, when needing to check ammeter When, light audio-switch 31 is opened, electricity-saving lamp 29 is bright；Under normal operating conditions, user can be sent with signal by the device Device 27 sets up ammeter and mobile communication, is tabled look-up by mobile phone whenever and wherever possible, actively grasps the electricity consumption situation of oneself, not only facilitate but also Fast.

Claims (10)

1. a kind of intelligent electric meter dedusting is except the set composite of scruff, it is characterised in that：Including the first casing, the first casing top Portion is provided with the opening for inserting ammeter, is provided with for limiting the limiting section of ammeter placement location and being used at the opening The test section whether detection ammeter is in place；First box house is provided with vibration percussion portion, the vibration percussion portion The percussion to pending ammeter can be realized；First box house is provided with dedusting air gun, and the dedusting air gun is by setting The location-plate for being placed in the first box inside wall is fixed in first casing, and the air inlet pipe of the dedusting air gun is by setting Put the first through hole in the first casing lower surface and stretch out first casing；It is fixedly linked with the bottom surface of first casing The second casing, the bottom surface of the upper surface of second casing and first casing is provided with the through hole of insertion, the through hole bag Include first through hole, the second through hole and third through-hole；Second box house be provided with first timer, second timer, One relay, the second relay, the first electromagnetic valve, the second electromagnetic valve, buncher, induced-draught fan, dust bag；The induced-draught fan Inlet scoop is connected with second through hole, and the puff prot of the induced-draught fan is connected with dust bag；The buncher is by dynamic Power conveying axis are connected with the vibration percussion portion, and the power conveying axis pass through the third through-hole；The first timer, One relay, the first electromagnetic valve, buncher pass sequentially through electrical connection, treat the buncher operating realization after the scheduled time Process the percussion of ammeter；The second timer, the second relay, the second electromagnetic valve pass sequentially through electrical connection, and described second is electric Magnet valve is arranged in the air inlet pipe of the dedusting air gun, makes to realize that after the scheduled time dedusting air gun removes pending ammeter Dirt；Also include ammeter outer container, ammeter outer container panel, and the ammeter monitoring device in ammeter outer container, collection device, electricity Take computing system, subscriber identity authentication system, sender unit, charging device, the ammeter outer container is arranged on the second casing Right side, the ammeter monitoring device is directly connected with the outfan of electric supply meter, and collection device is connected with ammeter monitoring device, For gathering electricity use information；The input of electricity charge computing system is terminated with collection device and sender unit, receives respectively At present charge value is settled accounts using information about power, real-time electricity charge standard and, and thus calculated user and should currently pay electricity charge volume；With The output of family authentication system is terminated with collection device and electricity charge computing system, is responsible for carrying out the user profile that request is tabled look-up Examine, and collection device and electricity charge computing system will be passed to by the user instruction verified；Sender unit respectively with Family authentication system and the connection of electricity charge computing system, and communication, the ammeter is set up with user mobile phone and electric service center Fluorescent display screen, light audio-switch, accumulator, the upper end installing energy saving lamp in the ammeter outer container, accumulator are installed on outer container panel It is connected with light audio-switch, electricity-saving lamp and fluorescent display screen, light audio-switch is electrically connected with electricity-saving lamp；The ammeter monitoring device Including be arranged on inside power supply and be arranged on inside some current transformers, one end of the current transformer with it is described Power supply is connected, and the power supply includes current source, and one end of the current transformer is connected with the current source, the power supply Including voltage source, described vibration percussion portion includes that swing roller, centrifugation tap hammer, and the swing roller center is along its axis Direction is provided with fourth hole；The fourth hole is coordinated with the power conveying axis, and the centrifugation taps hammer and is evenly distributed on institute State on the circumference of swing roller and be flexibly connected with the swing roller, on the circumferencial direction of the swing roller, be uniformly distributed weldering Ear mount is connected to, the centrifugation is tapped hammer and is flexibly connected with the swing roller by the ear mount, the centrifugation taps hammer front end Ball is connected with, the location-plate is provided with the first casing junction and facilitates location-plate to rotate so as to change hole court To rotating mechanism, the charging device under normal operating conditions be accumulator charge, nor affect in the situation of power-off glimmering The lighting problem of light display screen and electricity-saving lamp, first casing are made using transparent organic glass, and second casing is adopted Rustless steel is made.

2. a kind of intelligent electric meter dedusting according to claim 1 is except the set composite of scruff, it is characterised in that described spacing Portion includes two sides edge and two bottoms edge, and width of two sides between is suitable with the width of pending ammeter housing, described Width of the bottom between is slightly less than the width of pending ammeter housing.

3. according to a kind of intelligent electric meter dedusting described in claim 2 except the set composite of scruff, it is characterised in that the test section For photoswitch, the test side of the photoswitch passes through two sides edge of the limiting section, photoelectricity switch and power electric connection.

4. a kind of intelligent electric meter dedusting according to claim 3 is except the set composite of scruff, it is characterised in that the detection Portion is votage control switch, and the votage control switch is arranged at the bottom edge of the limiting section.

5. a kind of intelligent electric meter dedusting according to claim 4 is except the set composite of scruff, it is characterised in that described the Two through holes are provided with the drainage screen for filtering lime-ash.

6. a kind of intelligent electric meter dedusting according to claim 5 is except the set composite of scruff, it is characterised in that the positioning Plate is provided with several for dedusting air gun through the location hole for positioning, and described several location holes are evenly distributed on the positioning On plate.

7. a kind of intelligent electric meter dedusting according to claim 6 is except the set composite of scruff, it is characterised in that：The user Authentication system, there is provided checking means include password authentification or the orientation mobile phone specified of user bound oneself.

8. a kind of intelligent electric meter dedusting according to claim 7 is except the set composite of scruff, it is characterised in that：The signal Dispensing device is one-way transmission with the connection of subscriber identity authentication system, and a permission sender unit will send request signal User mobile phone information transmission supports the service for checking credentials to binding cellphone subscriber to subscriber identity authentication system.

9. a kind of intelligent electric meter dedusting according to claim 8 is except the set composite of scruff, it is characterised in that：The signal The connection of dispensing device and subscriber identity authentication system is transmitted in both directions, and sender unit will send user's handss of request signal Machine information sends subscriber identity authentication system to, and subscriber identity authentication system is tabled look-up to user's query further through sender unit Password, supports password authentification service.

10. except the set composite of scruff, its feature exists a kind of intelligent electric meter dedusting according to claim 9 any one In：The connection of the sender unit and electricity charge computing system is transmitted in both directions, and sender unit is by the power supply for receiving The newest electricity charge standard in center and user have settled accounts charge value and have sent electricity charge computing system to, and electricity charge computing system is except sending out to signal Send device to inquire newest electricity charge standard and settled accounts outside charge value, also signal is given user using electricity and the electricity charge for calculating and sent out Send device.