CN202710631U - Intelligent ammeter - Google Patents
Intelligent ammeter Download PDFInfo
- Publication number
- CN202710631U CN202710631U CN 201220273784 CN201220273784U CN202710631U CN 202710631 U CN202710631 U CN 202710631U CN 201220273784 CN201220273784 CN 201220273784 CN 201220273784 U CN201220273784 U CN 201220273784U CN 202710631 U CN202710631 U CN 202710631U
- Authority
- CN
- China
- Prior art keywords
- electric meter
- intelligent electric
- pcb board
- seal structure
- lead seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
Disclosed is an intelligent ammeter applicable to the intelligent electrical network field. The intelligent ammeter comprises a pedestal, an upper cover, and a PCB, wherein the PCB is arranged between the pedestal and the upper cover; a first lead seal structure and a second lead seal structure are parallelly arranged upon the bottom of the pedestal; both the first lead seal structure and the second lead seal structure are made of metal material; and the bottom of the pedestal is also provided with a binding post. The intelligent ammeter of the utility model can effectively reduce the electricity-stealing problems during the using process.
Description
Technical field
The utility model relates to a kind of intelligent electric meter for the intelligent grid field.
Background technology
Intelligent electric meter is the visual plant in intelligent grid field, the effect of described intelligent electric meter is electricity consumption user's electricity consumption data are gathered, and electricity consumption user's electricity consumption data communication device can be crossed the master station of system that data that communication channel passes to the electricity consumption user pass to intelligent grid.
Along with being widely used of intelligent electric meter, also emerge in an endless stream for the measure of opposing electricity-stealing of intelligent electric meter.But, still lagging behind for the measure of opposing electricity-stealing of intelligent electric meter, this hysteresis has caused the heavy losses of national wealth, and therefore ammeter with the function of opposing electricity-stealing of development becomes one of important process in the intelligent grid process of construction.
The utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of intelligent electric meter to be provided, and it can effectively reduce the generation of stealing electricity phenomenon.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of intelligent electric meter, comprise base, loam cake and pcb board, described pcb board is between described base and loam cake, be arranged in parallel the first lead seal structure and the second lead seal structure are set on the described base end face, described the first lead seal structure and described the second lead seal structure all are to be made by metal material, also are provided with binding post on the described base end face.
Further, described binding post is the arrangement of " product " font at described base end face.
Further, liquid crystal display, single-chip microcomputer, high-frequency impulse output module, computation chip, storer and communication interface are set on the described pcb board; Described liquid crystal display places described pcb board towards described loam cake one side, and described single-chip microcomputer, described high-frequency impulse output module, described computation chip and described storer all place described pcb board towards described base one side.
Further, on the described pcb board battery is set also.
Further, described base and described loam cake all adopt polycarbonate to make, and the inside surface of described base and described loam cake arranges the coating of nonmagnetic metal.
Further, between described pcb board and the described loam cake nameplate is set, described nameplate is made of plastics.
Further; The both sides of described base arrange hook.
Adopted the technical scheme of a kind of intelligent electric meter of the present utility model, the technical scheme of be arranged in parallel the first lead seal structure and the second lead seal structure and binding post namely has been set on the described base end face of described intelligent electric meter.Its technique effect is: can will improve the anti-electricity-theft performance of described intelligent electric meter.
Description of drawings
Fig. 1 is the front view of a kind of intelligent electric meter of the present utility model.
Fig. 2 is the left view of a kind of intelligent electric meter of the present utility model.
Fig. 3 is the rear view of a kind of intelligent electric meter of the present utility model.
Fig. 4 is the vertical view of a kind of intelligent electric meter of the present utility model.
Embodiment
To see also Fig. 1 to Fig. 4, in order understanding the technical solution of the utility model better, below by embodiment particularly, and to be described in detail by reference to the accompanying drawings:
See also Fig. 1 to Fig. 4, in the present embodiment, a kind of intelligent electric meter of the present utility model, comprise base 1, loam cake 2 and pcb board 3, be arranged in parallel the first lead seal structure 11 and the second lead seal structure 12 are set on described base 1 bottom surface, described the first lead seal structure 11 and described the second lead seal structure 12 all are to be made by metal material, and described base also is provided with binding post 13 on 1 bottom surface.
In the present embodiment, the first lead seal structure 11 and described the second lead seal structure 11 are arranged at the up and down two ends of described base end face, described the first lead seal structure 11 and described the second lead seal structure 12 are the copper parts that are embedded on described base 1 bottom surface, described binding post 13 is made by brass, its effect is that described intelligent electric meter is plugged in the wiring hole on the described table base, and described intelligent electric meter is plugged on the described table base of described ammeter box.Described the first lead seal structure 11 and described the second lead seal structure 12 are corresponding with the lead seal structure of table on the base respectively.The effect of described the first lead seal structure 11 and described the second lead seal structure 12 is described intelligent electric meter is fixed on the one hand, in addition on the one hand, described intelligent electric meter is in the plug process, to there be induction current to flow through the interior busbar bus of described table base, thereby cause the ammeter box tripping operation at described table base place, thereby prevent the generation of single electricity consumption user stealing electricity phenomenon.
On the described base end face, described binding post 13 is " product " font to be arranged, and has formed so a kind of special force structure, and only have by special instrument and could pull out table handling to single described intelligent electric meter, thus the generation of electricity theft prevention phenomenon.
On described base 11 bottom surfaces, described binding post 13 is made by brass, and described binding post 13 in the watchcase bottom surface, has good fire resistance and endurance quality by injection moulding after the bakelite one-shot forming.
In addition, the bottom surface of described binding post 13 is socketed with spring steel plate, and described spring steel plate is made by stainless steel.The purpose of design is like this: strengthen contacting between described binding post 13 and the described table base, strengthen the fastness that described intelligent electric meter is pegged graft at described table base.The surface of described binding post 13 and described spring steel plate all arranges zinc-plated coating, the effect of described zinc-plated coating is to strengthen the little molten characteristic of utilizing described zinc-plated coating, fill the bottom surface of binding post 13 and the gap between the described spring steel plate, further strengthen the fastness that described intelligent electric meter is pegged graft at described table base, improve the accuracy of described intelligent electric meter metering.The bottom surface of described binding post 13 is cambered surface, has increased like this contact area of described binding post 13 between described spring steel plate, described intelligent electric meter is inserted table or pulled out in the operating process of table have the feel that stronger plug puts in place.
Simultaneously, because a kind of intelligent electric meter of the present utility model, ramp and end button cover on traditional downward joint type intelligent electric meter have been cancelled, prevented from described ramp and end button cover practise fraud stealing may, reduced simultaneously the size of described intelligent electric meter from 74 * 126 original * 93mm, being reduced to 74 * 85 present * 85mm, being convenient to install concentratedly described intelligent electric meter, also is one of important means of present electricity theft prevention and install the prime number intelligent electric meter concentratedly.
Described pcb board 3 is built in described intelligent electric meter, and namely between the base 1 and upper table cover 2 of described intelligent electric meter, described pcb board 3 can be fixed by screw, also can be fixed by the clamping between described base 1 and the described upper table cover 3.
Described communication interface comprises infrared communication interface (not shown) and RS485 communication interface (not shown), described infrared communication interface is in order to communicate with infrared copy meter palm machine, described RS485 communication interface arranges physical isolation apparatus in order to communicate by RS485 bus and remote control terminal between wherein said RS485 communication interface and the described single-chip microcomputer.
In the present embodiment, on the described power supply power transformer is set, the effect of described power transformer is with the 220V alternating current in the busbar bus, be transformed into the required low-voltage DC of described intelligent electric meter work, control end and metering end are set on the described power transformer, described control end connects described single-chip microcomputer, described metering end connects described computation chip, do not do isolation between described control end and the described metering end, to adapt to the space requirement of intelligent electric meter miniaturization, reduce simultaneously system cost.
Simultaneously, consider for environmental protection, the backlight (not shown) is set on the described pcb board, can by the infrared programming palm machine of checking meter, starts described spacer assembly during the energising of described intelligent electric meter, cut off contacting between described RS485 communication interface and the described single-chip microcomputer, trigger described backlight and show, check meter described backlight automatic distinguishing after 1 minute, described spacer assembly cuts out, and recloses the RS485 communication interface.When described intelligent electric meter passes through the communication of RS485 communication interface, do not allow to trigger described backlight and show.Just need not light described liquid crystal display in the process of checking meter like this, thereby save electricity consumption.On the one hand, prevent by infrared communication interface in addition, attack the possibility of remote control terminal.
Described liquid crystal display 31 places described pcb board towards described loam cake 3 one sides, described liquid crystal display 31 shows 5 integers of electric weight, 1 decimal, conceal simultaneously the 2nd decimal liquid crystal display visible area of the electric weight size 41 * 21mm in the power information of storing in the storer, the font size that shows is Chinese character 4 * 6mm, numeral and 5 * 8mm, alphabetical 4x4mm.Described liquid crystal display 31 is liquid crystal of high-contrast, fast, the wide visual angle of response, low-power consumption, and the life-span is more than 10 years.Under-25 ℃ to 70 ℃ conditions, its show state correctly and not affects data reading, and the visual angle was 6 o'clock, and blank screen when high temperature not occurring, low temperature display is slow or do not show phenomenon.Described liquid crystal display 31 adopts metal pin with described pcb board 3 connected modes.
Described single-chip microcomputer, described high-frequency impulse output module, described computation chip and the described pcb board of described storer are towards described base one side, in the present embodiment, described single-chip microcomputer, described high-frequency impulse output module, described computation chip and described storer are all in the integrated integration module 32.The purpose of design is like this: place described pcb board towards described base 1 one sides the key components on the described ammeter with crossing, the electricity theft prevention person places the correct metering of strong magnetic magnet or large coil interference ammeter near described intelligent electric meter, reach the purpose of stealing.Also the maskable power transformer further improves described intelligent electric meter measurement accuracy for the electromagnetic interference (EMI) of described single-chip microcomputer, described high-frequency impulse output module, described computation chip and described storer simultaneously.
After described high-frequency impulse output module sends the high-frequency pulse signal of active energy, measured by the high-frequency pulse signal of described computation chip to described active energy, by the meter reading procedure that is built in the described single-chip microcomputer metering of described high-frequency pulse signal is proofreaied and correct again, obtain accurate electricity consumption information about power.
The waveform of the high-frequency pulse signal of described active energy is actual square wave, pulsewidth is 80ms, described pulsewidth institute permissible error is ± 20%, 10% of overrate is not answered in the pulse amplitude voltage drop of the high-frequency pulse signal of described active energy, in the present embodiment, the low level of the high-frequency pulse signal of described active energy output should be not more than 0.9V.Under specified maximum load, can immediately export corresponding umber of pulse.When described intelligent electric meter was non-loaded, pulse output was in low level state.
Described high-frequency impulse output module also has the function of pps pulse per second signal output simultaneously, what described high-frequency impulse output module was exported in the ordinary course of things all is the active energy pulse signal, when described intelligent electric meter is carried out verification, described intelligent electric meter receives infrared programming and checks meter behind the pulse per second (PPS) output command that palm machine sends, be converted to the output state of pps pulse per second signal, described intelligent electric meter is carried out verification, postpone after 20 minutes, described high-frequency impulse output module is got back to the state of active energy output of pulse signal automatically.
Described storer is erasable formula ROM (read-only memory) (EPPROM), and the information of its record comprises: the record of nearest three P1P2 short circuits, disconnection; Nearest 12 date clocks are revised the forward and backward data with power consumption; The electric weight record that electric weight is revised or resetted forward and backward; Nearest 12 period rates are revised front, amended data with power consumption; Electric weight was copied and was seen logarithmic data nearest 3 months 1 day zero point; And event zero clearing, table number are revised; The record of the event that the secondary password is revised; The information such as the beginning and ending time of nearest three reverse events of power, total degree, total oppositely accumulative total electric weight; Also has nearest intelligent electric meter failure message.Described electric meter fault information comprises: the fault of storer, clock chip dead electricity, crystal oscillator failure of oscillation, communication abnormality information, battery low-voltage etc.
For the normal demonstration that guarantees described liquid crystal display and the normal operation of described storer, also be provided with battery on the described pcb board, battery electric quantity is lower than 30%, and described single-chip microcomputer triggers described intelligent electric meter and reports to the police.
Described base and described loam cake all adopt polycarbonate to make, more environmental protection, and wherein said loam cake is to be made by transparent polycarbonate.Be convenient to the user and read electricity consumption consumption information, the inside surface of described base 1 and described loam cake 2 arranges the nonmagnetic metal coating, has shielded external electromagnetic interference (EMI), the generation of electricity theft prevention phenomenon.In the present embodiment, described coating is the aluminium foil coating.
The both sides of described base 1 arrange hook 14, are convenient to further described intelligent electric meter is fixed on the table base.Between described pcb board 3 and the described loam cake 2 nameplate 4 is set, described nameplate is made of plastics, to save the consumption of aluminium.
In the present embodiment example, described intelligent electric meter has the function of Pinggu block meter rate, employing be the GB/T15284-2002 standard, rated current is 5A, the maximum current that bears is 40A.User power utilization 1 kilowatt hour, the described high-frequency impulse output module on the described intelligent electric meter has been exported high-frequency pulse signal 3200 times.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (7)
1. intelligent electric meter, comprise base (1), loam cake (2) and pcb board (3), described pcb board (3) is positioned between described base (1) and the loam cake (2), it is characterized in that: be arranged in parallel the first lead seal structure (11) and the second lead seal structure (12) are set on described base (1) bottom surface, described the first lead seal structure (11) and described the second lead seal structure (12) all are to be made by metal material, also are provided with binding post (13) on the described base end face.
2. a kind of intelligent electric meter according to claim 1 is characterized in that: described binding post (13) is " product " font and arranges in described base (1) bottom surface.
3. a kind of intelligent electric meter according to claim 1 and 2 is characterized in that: liquid crystal display (31), single-chip microcomputer, high-frequency impulse output module, computation chip, storer and communication interface are set on the described pcb board (3); Described liquid crystal display places described pcb board (3) towards described loam cake (2) one sides, and described single-chip microcomputer, described high-frequency impulse output module, described computation chip and described storer all place described pcb board (3) towards described base (1) one side.
4. a kind of intelligent electric meter according to claim 3, it is characterized in that: described pcb board also arranges battery on (3).
5. a kind of intelligent electric meter according to claim 1 and 2, it is characterized in that: described base (1) and described loam cake (2) all adopt polycarbonate to make, and the inside surface of described base (1) and described loam cake (2) arranges the coating of nonmagnetic metal.
6. a kind of intelligent electric meter according to claim 1 and 2 is characterized in that; Between described pcb board (3) and the described loam cake (2) nameplate (4) is set, described nameplate is made of plastics.
7. a kind of intelligent electric meter according to claim 1 and 2 is characterized in that; The both sides of described base arrange hook (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273784 CN202710631U (en) | 2012-06-12 | 2012-06-12 | Intelligent ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273784 CN202710631U (en) | 2012-06-12 | 2012-06-12 | Intelligent ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710631U true CN202710631U (en) | 2013-01-30 |
Family
ID=47590919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220273784 Expired - Fee Related CN202710631U (en) | 2012-06-12 | 2012-06-12 | Intelligent ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721844A (en) * | 2012-06-12 | 2012-10-10 | 上海市电力公司 | Intelligent ammeter |
-
2012
- 2012-06-12 CN CN 201220273784 patent/CN202710631U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721844A (en) * | 2012-06-12 | 2012-10-10 | 上海市电力公司 | Intelligent ammeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201060513Y (en) | Three-phase smart card type prepaid multifunctional electric energy meter | |
| CN201828608U (en) | Three-phase intelligent electric energy meter | |
| CN101340096B (en) | Power Reactive Power Compensation Controller | |
| CN202710631U (en) | Intelligent ammeter | |
| CN205539120U (en) | Remote control ammeter | |
| CN102721844A (en) | Intelligent ammeter | |
| CN206344706U (en) | Embedded lamp stand fills alternating-current charging pile | |
| CN201955840U (en) | Local single-phase prepaid intelligent electric energy meter | |
| CN203445354U (en) | Energy consumption information monitoring system for electric appliances | |
| CN204101665U (en) | Based on the electric instrument supervisory system of MODBUS | |
| CN2909283Y (en) | Electronic electronic-energy meter tester | |
| CN202033417U (en) | Power saving rate verification system of power saver | |
| CN210534232U (en) | Intelligent electric meter and control system thereof | |
| CN102074075A (en) | Single-phase local prepayment intelligent electric energy meter | |
| CN102692560A (en) | Circuit for intelligent electricity meter | |
| CN207718533U (en) | The guide tracked multiloop electric energy meter of pre-payment | |
| CN203672970U (en) | Intelligent three-phase charge-control electric energy meter | |
| CN2679889Y (en) | Valley current socket | |
| CN203552355U (en) | Single-phase and wide-range intelligent prepayment electric energy meter | |
| CN201242566Y (en) | Electric energy meter | |
| CN204833483U (en) | Guide tracked three -phase four -wire prepayment electric energy meter | |
| CN205786845U (en) | A kind of guide rail installation type miniature single-phase electric energy device | |
| CN202120360U (en) | Single-phase local cost control intelligent electric energy meter | |
| CN205404676U (en) | Electricity inspection terminal of special electric energy measurement of three -phase | |
| CN213659562U (en) | Radio frequency card motor-pumped well irrigation control equipment |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190612 |