CN202330549U - Intelligent electric meter with remote meter reading device - Google Patents
Intelligent electric meter with remote meter reading device Download PDFInfo
- Publication number
- CN202330549U CN202330549U CN2011203483462U CN201120348346U CN202330549U CN 202330549 U CN202330549 U CN 202330549U CN 2011203483462 U CN2011203483462 U CN 2011203483462U CN 201120348346 U CN201120348346 U CN 201120348346U CN 202330549 U CN202330549 U CN 202330549U
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- China
- Prior art keywords
- ammeter
- isolating switch
- micro
- control unit
- shell
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- 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
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Abstract
The utility model discloses an intelligent electric meter with a remote meter reading device, comprising an electric meter assembly, a liquid crystal displayer, an electric meter shell, a circuit breaker, a plurality of measuring circuits and electric quantity acquisition modules disposed in the electric meter shell, and a micro-control unit, wherein the micro-control unit is connected with the electric quantity acquisition modules and the electric meter assembly respectively; the circuit breaker is disposed outside the electric meter shell; the electric meter shell is provided with a power input interface; the circuit breaker is provided with a power wire-outgoing end and a power wire-incoming end; and the power wire-outgoing end of the circuit breaker is electrically connected with the power input interface of the electric meter shell. Therefore, the intelligent electric meter disclosed by the utility model has the advantages of being reasonable and simple in structure, not easy to destroy data, high in calculation accuracy etc.
Description
Technical field
The utility model relates to a kind of ammeter, particularly relates to a kind of intelligent electric meter with the remote meter reading device.
Background technology
At present in daily life, ammeter all will be used in electricity consumption places such as each family, and ammeter is the instrument that is used to calculate power consumption, according to the principle branch, can be divided into two big types of induction type and electronic types.
Along with improving constantly of electronic technology and scientific level, the application of electronic electricity meter more and more widely.
Electronic electricity meter is the product that utilization analog or digital circuit obtains the voltage and current vector, realizes the electric energy metrical function through the analog or digital circuit then.
Because increasing of ammeter quantity all is manual metering now, has very big workload; Can waste huge manpower and materials, urgently need to improve; Yet, when electricity consumption is bigger, exceeds the load voltage value of breaker assembly or during owing to reasons such as isolating switch break down, just need to change isolating switch, open the ammeter shell again and change isolating switch,
And cut off being electrically connected between isolating switch and the said ammeter assembly, cumbersome.
Description of drawings
The utility model mainly is to the existing in prior technology complex structure; Data are destroyed by the situation that accident takes place easily; The low technical matters that waits of computational accuracy provides a kind of rational in infrastructure simple, and data are difficult for going to pot; Computational accuracy is higher, can realize remote meter-reading function the multifunctional intellectual ammeter.The above-mentioned technical matters of the utility model mainly is able to solve through following technical proposals: a kind of intelligent electric meter with the remote meter reading device has ammeter assembly, liquid crystal display, ammeter shell, isolating switch; Be arranged on some metering circuits, electric quantity acquisition module in the ammeter shell; Micro-control unit; Said micro-control unit connects electric quantity acquisition module and ammeter assembly respectively, and said isolating switch is arranged on outside the said ammeter shell, and said ammeter shell has power input interface; Said isolating switch has power outlet end and power supply lead-in wire terminal, and the power outlet end of said isolating switch is electrically connected with the power input interface of said ammeter shell; Said metering circuit comprises wave filter, multiplier, inverse detection and numerical frequency conversion; Micro-control unit comprises single-chip microcomputer, pulse outputting unit, undervoltage detection means, magnetic latching relay, drive circuit in bi-directional and house dog; Drive circuit in bi-directional is connected single-chip microcomputer respectively with house dog; The output terminal of drive circuit in bi-directional connects magnetic latching relay, and the communication terminal of single-chip microcomputer connects the RS485 interface, and the connection of RS485 interface is arranged on the terminals on the housing.
Described ammeter, wherein, said micro-control unit is connected with three metering circuits respectively, and wherein two metering circuits and asking of micro-control unit are connected with light-coupled isolation, and another metering circuit directly is connected with micro-control unit.Described ammeter wherein, comprises an isolating switch holder; Said isolating switch is fixed on the said isolating switch holder; Offer a draw-in groove on the diapire of said isolating switch holder, a diapire of said ammeter shell is provided with an elasticity button, and said elasticity button is arranged in the said draw-in groove.
Described ammeter, wherein, the output terminal of said micro-control unit is connected with energy storage unit.
Described ammeter, wherein, the input end of said micro-control unit is connected with the rate switch unit.
Described ammeter, wherein, the output terminal of said micro-control unit is connected with the calibration unit.
Therefore, the utility model is rational in infrastructure simple, and data are difficult for going to pot, and computational accuracy is than characteristics such as height.The isolating switch of the utility model ammeter is arranged on outside the ammeter shell of ammeter, when isolating switch need be changed, need not dismantle the ammeter shell, just can isolating switch be taken off and change, and is easily simple.The utility model compact conformation, stable and reliable for performance, transmission is fast.
Fig. 1 is the utility model ammeter structural representation.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
As scheme shown in the l, a kind of rational in infrastructure simple, data are difficult for going to pot, computational accuracy is higher, can realize remote meter-reading function the multifunctional intellectual ammeter.The above-mentioned technical matters of the utility model mainly is able to solve through following technical proposals: a kind of intelligent electric meter with the remote meter reading device has ammeter assembly, liquid crystal display, ammeter shell, isolating switch; Be arranged on some metering circuits in the ammeter shell, electric quantity acquisition module 31; Micro-control unit 30; Said micro-control unit connects electric quantity acquisition module and ammeter assembly respectively, and said isolating switch is arranged on outside the said ammeter shell, and said ammeter shell has power input interface; Said isolating switch has power outlet end and power supply lead-in wire terminal, and the power outlet end of said isolating switch is electrically connected with the power input interface of said ammeter shell; Said metering circuit comprises wave filter, multiplier, inverse detection and numerical frequency conversion; Micro-control unit comprises single-chip microcomputer, pulse outputting unit, undervoltage detection means, magnetic latching relay, drive circuit in bi-directional and house dog; Drive circuit in bi-directional is connected single-chip microcomputer respectively with house dog; The output terminal of drive circuit in bi-directional connects magnetic latching relay, and the communication terminal of single-chip microcomputer connects the RS485 interface, and the connection of RS485 interface is arranged on the terminals on the housing.
The utility model ammeter comprises an ammeter assembly and an isolating switch that is complementary with the rated current setting valve scope of said ammeter assembly; Said ammeter assembly is installed in the ammeter shell 20; Said isolating switch is arranged on outside the said ammeter shell 20, and said ammeter shell 20 all is arranged in the case lid l00 of said ammeter with said isolating switch.The display part of said ammeter is exposed to outside the said ammeter shell 20, and ammeter shell 20 is provided with power input interface and power output interface.One side of said ammeter shell 20 is provided with an isolating switch holder 11; Offer a draw-in groove l2 on the diapire of this isolating switch holder ll; One diapire of one side of said ammeter shell 20 is provided with an elasticity button 21; Said elasticity button 21 is arranged in the said draw-in groove 12, thereby said isolating switch holder 11 is fixed on a side of said ammeter shell 20.
Be fixed with a said isolating switch on the said isolating switch holder ll, said breaker upper cover has breaker protection lid.Said isolating switch is provided with two power outlet end l4 and two power inleting terminal l5.Electric wire on power outlet end l4 and the power inleting terminal l5 is fixed through line pressing bolt.The input end of said ammeter is connected the back and is electrically connected with the power input interface of ammeter shell 20 with the leading-out terminal l 5 of said isolating switch, the power output interface of ammeter shell 20 is as output interface.
When isolating switch breaks down or other reason need change isolating switch the time; Only need open the table case lid; And take off the breaker protection lid, unscrew the inlet wire and the outlet screw of isolating switch, and take away power outlet end electric wire; Pin the elasticity button 21 of said isolating switch again with hand, just can said isolating switch and said isolating switch holder 11 be taken off from a side of said ammeter shell 20.Change isolating switch, good isolating switch is changed on the isolating switch holder ll, and isolating switch holder ll is fixed on outside the said ammeter shell 20 through said elasticity button 21, and connect the end of incoming cables, tighten the screw retention electric wire, cover the breaker protection lid at last.So, thus can change isolating switch simply fast.Described ammeter, wherein, said micro-control unit is connected with three metering circuits respectively, and wherein two metering circuits and asking of micro-control unit are connected with light-coupled isolation, and another metering circuit directly is connected with micro-control unit.
Described ammeter wherein, comprises an isolating switch holder; Said isolating switch is fixed on the said isolating switch holder; Offer a draw-in groove on the diapire of said isolating switch holder, a diapire of said ammeter shell is provided with an elasticity button, and said elasticity button is arranged in the said draw-in groove.
Described ammeter, wherein, the output terminal of said micro-control unit is connected with energy storage unit.
Described ammeter, wherein, the input end of said micro-control unit is connected with the rate switch unit.
Described ammeter, wherein, the output terminal of said micro-control unit is connected with the calibration unit.
The isolating switch that is different from the prior art ammeter is arranged in the ammeter shell and causes being difficult to change the situation of isolating switch; The isolating switch of the utility model ammeter is fixed on the isolating switch holder ll, and isolating switch is fixed on outside the ammeter shell of ammeter, when isolating switch need be changed; Only need isolating switch and isolating switch holder 11 are taken off from ammeter shell 20; On isolating switch holder 11, change new isolating switch then, again isolating switch holder 11 is installed back formerly, connect electric wire then and get final product.It is simply easy to change isolating switch.Therefore, the utility model is rational in infrastructure simple, and data are difficult for going to pot, and computational accuracy is than characteristics such as height.The isolating switch of the utility model ammeter is arranged on outside the ammeter shell of ammeter, when isolating switch need be changed, need not dismantle the ammeter shell, just can isolating switch be taken off and change, and is easily simple.
In sum, the utility model ammeter is changed isolating switch need not open the ammeter shell, easily simple.The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (6)
1. the intelligent electric meter with the remote meter reading device is characterized in that, has ammeter assembly, liquid crystal display, ammeter shell, isolating switch; Be arranged on some metering circuits, electric quantity acquisition module in the ammeter shell; Micro-control unit; Said micro-control unit connects electric quantity acquisition module and ammeter assembly respectively, and said isolating switch is arranged on outside the said ammeter shell, and said ammeter shell has power input interface; Said isolating switch has power outlet end and power supply lead-in wire terminal, and the power outlet end of said isolating switch is electrically connected with the power input interface of said ammeter shell; Said metering circuit comprises wave filter, multiplier, inverse detection and numerical frequency conversion; Micro-control unit comprises single-chip microcomputer, pulse outputting unit, undervoltage detection means, magnetic latching relay, drive circuit in bi-directional and house dog; Drive circuit in bi-directional is connected single-chip microcomputer respectively with house dog; The output terminal of drive circuit in bi-directional connects magnetic latching relay, and the communication terminal of single-chip microcomputer connects the RS485 interface, and the connection of RS485 interface is arranged on the terminals on the housing.
2. ammeter according to claim 1 is characterized in that, said micro-control unit is connected with three metering circuits respectively, and wherein two metering circuits and asking of micro-control unit are connected with light-coupled isolation, and another metering circuit directly is connected with micro-control unit.
3. ammeter according to claim 1; It is characterized in that; Comprise an isolating switch holder, said isolating switch is fixed on the said isolating switch holder, offers a draw-in groove on the diapire of said isolating switch holder; One diapire of said ammeter shell is provided with an elasticity button, and said elasticity button is arranged in the said draw-in groove.
4. ammeter according to claim 1 is characterized in that the output terminal of said micro-control unit is connected with energy storage unit.
5. ammeter according to claim 1 is characterized in that the input end of said micro-control unit is connected with the rate switch unit.
6. ammeter according to claim 1 is characterized in that the output terminal of said micro-control unit is connected with the calibration unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203483462U CN202330549U (en) | 2011-09-17 | 2011-09-17 | Intelligent electric meter with remote meter reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203483462U CN202330549U (en) | 2011-09-17 | 2011-09-17 | Intelligent electric meter with remote meter reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330549U true CN202330549U (en) | 2012-07-11 |
Family
ID=46442525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203483462U Expired - Fee Related CN202330549U (en) | 2011-09-17 | 2011-09-17 | Intelligent electric meter with remote meter reading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330549U (en) |
-
2011
- 2011-09-17 CN CN2011203483462U patent/CN202330549U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANG FUGUI Free format text: FORMER OWNER: LIAO WENHUA Effective date: 20130401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 323000 LISHUI, ZHEJIANG PROVINCE TO: 325100 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130401 Address after: 325100 No. 759, Lane 6, West Ring Road, Shang Tong Town, Yongjia County, Zhejiang Province Patentee after: Jiang Fugui Address before: 323000, Zhejiang Province, Suichang County, Lishui Province West Village Township 3 Patentee before: Liao Wenhua |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20130917 |