CN205646768U - Metering ammeter box - Google Patents
Metering ammeter box Download PDFInfo
- Publication number
- CN205646768U CN205646768U CN201620475922.2U CN201620475922U CN205646768U CN 205646768 U CN205646768 U CN 205646768U CN 201620475922 U CN201620475922 U CN 201620475922U CN 205646768 U CN205646768 U CN 205646768U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- miniature circuit
- surge protector
- load switch
- electricity meter
- 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
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a metering ammeter box, including the major loop, the electric leakage circuit breaker, load switch, the measurement ammeter, a miniature circuit breaker, the 2nd miniature circuit breaker and surge protector, the electric leakage circuit breaker is connected on the major loop, load switch, a measurement ammeter and a miniature circuit breaker series connection in proper order connect on each duplexure, the 2nd miniature circuit breaker and surge protector series connection are connected on another duplexure, the surge protector ground joint, load switch has excess load automatically released function, surge protector has lightning protection and reaches overvoltage protection function in the twinkling of an eye, the utility model discloses metering ammeter box is used for house electric quantity gauge, has electrical safety, lightning protection and the characteristics of overvoltage protection function and load excess load automatic break function in the twinkling of an eye sent.
Description
Technical field
This utility model relates to house power distribution technical field, is specifically related to a kind of electricity meter.
Background technology
The power supply of each floor of house drawn by changed into switchhouse and by floor distribution box carry out electric energy be assigned to family time; for ease of measuring the power consumption at each family; it is accomplished by before electric energy is linked into family accessing metering electronic box; and the design measuring electronic box should meet the electric energy distribution needs at each family, ensure power transmission safety, simultaneously need to consider the factor such as lightning protection and moment overvoltage protection factor and load over loading auto-cutout.
Summary of the invention
For the deficiencies in the prior art, this utility model aim to provide a kind of power transmission safely, have lightning protection and moment over-voltage protecting function and load over loading auto-cutout function electricity meter.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of electricity meter; including major loop, RCCB, on-load switch, metering ammeter, the first miniature circuit breaker, the second miniature circuit breaker and surge protector; described RCCB is connected on major loop; on-load switch, metering ammeter and the first miniature circuit breaker are sequentially connected in series and are connected on each duplexure; second miniature circuit breaker and surge protector are connected in series and are connected on another duplexure, surge protector grounding connection.
Further, described RCCB be rated current be 250A, rated residual operating current is 300mA, electric leakage the trip action time be the breaker of plastic casing of 0.4s.
Further, described on-load switch be rated current be the 1 pole on-load switch of 40A.
Further, described first miniature circuit breaker be rated current be the bipolar miniature circuit breaker of 40A.
Further, described second miniature circuit breaker be rated current be the 4 minimal type choppers of 63A.
Further, described surge protector be running voltage be 320V, dash current value >=40kA, the 4P surge protector of voltage protection level value≤2.5kV.
This utility model has the advantages that
This utility model one electricity meter; its RCCB is connected on major loop; on-load switch, metering ammeter and the first miniature circuit breaker are sequentially connected in series and are connected on each duplexure; second miniature circuit breaker and surge protector are connected in series and are connected on another duplexure; surge protector grounding connection; for house electric quantity metering, there is power transmission safety, lightning protection and moment over-voltage protecting function and the feature of load over loading auto-cutout function.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of electricity meter of this utility model.
In figure: 1, major loop；2, RCCB；3, on-load switch；4, metering ammeter；5, the first miniature circuit breaker；6, the second miniature circuit breaker；7, surge protector.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the utility model will be further described, in order to the clearer technological thought understanding that this utility model is claimed.
This utility model one electricity meter as shown in Figure 1; including major loop 1, RCCB 2, on-load switch 3, metering ammeter the 4, first miniature circuit breaker the 5, second miniature circuit breaker 6 and surge protector 7; RCCB 2 is connected on major loop 1; RCCB 2 be rated current be 250A; rated residual operating current is 300mA, and the electric leakage trip action time is the breaker of plastic casing of 0.4s；On-load switch 3, metering ammeter 4 and the first miniature circuit breaker 5 are sequentially connected in series and are connected on each duplexure, on-load switch 3 be rated current be the 1 pole on-load switch of 40A；First miniature circuit breaker 5 be rated current be the bipolar miniature circuit breaker of 40A；Second miniature circuit breaker 6 and surge protector 7 are connected in series and are connected on another duplexure; surge protector 7 grounding connection; second miniature circuit breaker 6 be rated current be the 4 minimal type choppers of 63A; surge protector 7 be running voltage be 320V; dash current value >=40kA, the 4P surge protector of voltage protection level value≤2.5kV.
Operation principle of the present utility model is: its RCCB 2 is connected on major loop 1, on-load switch 3, metering ammeter 4 and the first miniature circuit breaker 5 are sequentially connected in series and are connected on each duplexure, on-load switch 3 has over loading and is automatically releasable function, second miniature circuit breaker 6 and surge protector 7 are connected in series and are connected on another duplexure, surge protector 7 grounding connection, surge protector 7 has lightning protection and moment over-voltage protecting function, for house electric quantity metering, power transmission safety, there is lightning protection and moment over-voltage protecting function and the feature of load over loading auto-cutout function.
For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.
Claims (6)
1. an electricity meter, it is characterized in that: include major loop (1), RCCB (2), on-load switch (3), metering ammeter (4), first miniature circuit breaker (5), second miniature circuit breaker (6) and surge protector (7), described RCCB (2) is connected on major loop (1), on-load switch (3), metering ammeter (4) and the first miniature circuit breaker (5) are sequentially connected in series and are connected on each duplexure, second miniature circuit breaker (6) and surge protector (7) are connected in series and are connected on another duplexure, surge protector (7) grounding connection.
2. electricity meter as claimed in claim 1 a kind of, it is characterised in that: described RCCB (2) be rated current be 250A, rated residual operating current is 300mA, and the electric leakage trip action time is the breaker of plastic casing of 0.4s.
3. electricity meter as claimed in claim 1 a kind of, it is characterised in that: described on-load switch (3) be rated current be the 1 pole on-load switch of 40A.
4. electricity meter as claimed in claim 1 a kind of, it is characterised in that: described first miniature circuit breaker (5) be rated current be the bipolar miniature circuit breaker of 40A.
5. electricity meter as claimed in claim 1 a kind of, it is characterised in that: described second miniature circuit breaker (6) be rated current be the 4 minimal type choppers of 63A.
6. electricity meter as claimed in claim 1 a kind of, it is characterised in that: described surge protector (7) be running voltage be 320V, dash current value >=40kA, the 4P surge protector of voltage protection level value≤2.5kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475922.2U CN205646768U (en) | 2016-05-24 | 2016-05-24 | Metering ammeter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475922.2U CN205646768U (en) | 2016-05-24 | 2016-05-24 | Metering ammeter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646768U true CN205646768U (en) | 2016-10-12 |
Family
ID=57055652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620475922.2U Expired - Fee Related CN205646768U (en) | 2016-05-24 | 2016-05-24 | Metering ammeter box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205646768U (en) |
-
2016
- 2016-05-24 CN CN201620475922.2U patent/CN205646768U/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 | ||
| 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: 20161012 Termination date: 20190524 |