CN207488342U - A kind of line current measurement table with anti-leakage function - Google Patents
A kind of line current measurement table with anti-leakage function Download PDFInfo
- Publication number
- CN207488342U CN207488342U CN201721455632.2U CN201721455632U CN207488342U CN 207488342 U CN207488342 U CN 207488342U CN 201721455632 U CN201721455632 U CN 201721455632U CN 207488342 U CN207488342 U CN 207488342U
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- China
- Prior art keywords
- cabinet shell
- outside
- nbe7le
- current measurement
- line current
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Abstract
The utility model discloses a kind of line current measurement tables with anti-leakage function; including cabinet shell and coil; the oblique side external surface of the cabinet shell is equipped with dial and liquid crystal display; starting key and 63 earth leakage protective devices of NBE7LE are equipped on the outside of one end of the cabinet shell; the lower end outside of the cabinet shell is installed with electricity box pedestal, and the inside middle of the cabinet shell is installed with fine metal mesh cover.A kind of line current measurement table with anti-leakage function described in the utility model; equipped with liquid crystal display, 63 earth leakage protective devices of NBE7LE, USB wiring holes and fine metal mesh cover; it can show that number is more intuitive; and the phenomenon that realizing that data transmission is shared, and the automatic monitoring current table of energy, preventing ammeter from leaking electricity; it can also prevent external equipment from forming electromagnetic interference to ammeter inside; measurement effect is improved, different operating situation is applicable in, brings better prospect of the application.
Description
Technical field
The utility model is related to ammeter field, more particularly to a kind of line current measurement table with anti-leakage function.
Background technology
Ammeter refers to the instrument for measuring electric current in AC and DC circuit, it be according to electrical conductor in magnetic field by
The effect of magnetic field force and it is manufactured.There is a permanent magnet inside ammeter, magnetic field is generated in interpolar, there are one coil in magnetic field,
Respectively there are one balance spring spring, spring respectively connects a binding post of ammeter at coil both ends, is turned between spring and coil by one
Axis connection, in shaft relative to the front end of ammeter, there are one pointer, when have electric current by when, electric current passes through along spring, shaft
Magnetic field, electric current cut magnetic induction line, so magnetic field force induced effect, makes coil deflect, drive shaft, throw of pointer.Due to magnetic
The size of field force increases with electric current and is increased, so the size of electric current can be observed by the degree of deflection of pointer.Generally
The electric current of microampere or the milliampere order of magnitude can be directly measured, to survey the electric current of bigger, ammeter there should be current divider；Existing electric current is surveyed
Scale is when in use there are certain drawbacks, and without dual display function, leaky easily occurs for when measurement, it is impossible to realize
Data sharing, and anti-electromagnetic interference effect is bad, brings certain adverse effect in operation, for this purpose, it is proposed that
A kind of line current measurement table with anti-leakage function.
Utility model content
The main purpose of the utility model is that provide a kind of line current measurement table with anti-leakage function, Ke Yiyou
Effect solves the problems in background technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of line current measurement table with anti-leakage function, including cabinet shell and coil, the cabinet shell
Oblique side external surface is equipped with dial and liquid crystal display, and the liquid crystal display is fixedly mounted on the lower section of dial, the case
Starting key and NBE7LE-63 earth leakage protective devices are equipped on the outside of one end of body case, the starting key is movably arranged on
The vertical direction of NBE7LE-63 earth leakage protective devices, the inside middles of the NBE7LE-63 earth leakage protective devices are movably installed with de-
Device is detained, and the side of buckle releaser passes through the inner surface of cabinet shell to be installed with zero sequence transformer, the NBE7LE-63 electric leakages
Air switch is movably installed on the outside of one end of protector, the lower end outside of the cabinet shell is installed with electricity box pedestal,
Position on the outside of the upper end of the electricity box pedestal close to cabinet shell is movably installed with positive terminal, and the level one of positive terminal
Side is movably installed with negative terminal, and one end outer surface of the electricity box pedestal is equipped with USB wiring holes, the inside of the cabinet shell
Middle is installed with fine metal mesh cover, and the inside middle of the fine metal mesh cover is equipped with permanent magnet, the coil activity
Mounted on the outer surface of permanent magnet, shaft is movably installed on the outside of one end of the coil, and trip is equipped on the outside of one end of shaft
Silk spring.
Preferably, the indication range of the dial is zero to three hundred milliamperes, and the resolution ratio of the liquid crystal display is
640x480, and the interior side of liquid crystal display is provided with microcontroller.
Preferably, the electric leakage reaction time of the NBE7LE-63 earth leakage protective devices is the nought point four second, and NBE7LE-63 leaks
Non-electricity protector is internally provided with overload protection bimetal leaf.
Preferably, the shaft and the quantity of balance spring spring are two groups, and the balance spring spring is movably arranged on the one of shaft
End outside.
Preferably, the fine metal mesh cover is internally provided with metal mesh, and fine metal mesh cover surrounds the outside of permanent magnet
One circle.
Preferably, the outer surface of the coil is provided with several groups of conducting wires, and the maximum operation (service) temperature of the permanent magnet does not surpass
Cross 300 degree.
Compared with prior art, the utility model has the advantages that：The line current with anti-leakage function
Measurement table by setting liquid crystal display, forms complementation, display number is more intuitive, by setting NBE7LE-63 with dial
Earth leakage protective device, automatic monitoring current table, the phenomenon that preventing ammeter from leaking electricity, improve device security, by setting USB
Wiring hole connects external equipment using USB wiring, realizes that data transmission is shared, and by setting fine metal mesh cover, prevents outside
Equipment forms electromagnetic interference to ammeter inside, improves measurement effect, and whole device is simple, easy to operate, anticreep and detection
Effect it is more preferable relative to traditional approach.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the line current measurement table with anti-leakage function of the utility model.
Fig. 2 is a kind of partial view of the line current measurement table with anti-leakage function of the utility model.
Fig. 3 is the interior views of A in a kind of line current measurement table Fig. 2 with anti-leakage function of the utility model.
Fig. 4 is a kind of interior views of the line current measurement table cabinet shell with anti-leakage function of the utility model.
In figure：1st, cabinet shell；2nd, dial；3rd, liquid crystal display；4th, starting key；5th, NBE7LE-63 earth leakage protectives
Device；6th, buckle releaser；7th, zero sequence transformer；8th, air switch；9th, electricity box pedestal；10th, positive terminal；11st, negative terminal；12、USB
Wiring hole；13rd, fine metal mesh cover；14th, permanent magnet；15th, coil；16th, shaft；17th, balance spring spring.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
As shown in Figs 1-4, a kind of line current measurement table with anti-leakage function, including cabinet shell 1 and coil 15,
The oblique side external surface of cabinet shell 1 is equipped with dial 2 and liquid crystal display 3, and liquid crystal display 3 shows digital more intuitive, liquid
Crystal display screen 3 is fixedly mounted on the lower section of dial 2, and starting key 4 and NBE7LE-63 are equipped on the outside of one end of cabinet shell 1
Earth leakage protective device 5,5 automatic monitoring current table of NBE7LE-63 earth leakage protective devices, the phenomenon that preventing ammeter from leaking electricity, booting
Button 4 is movably arranged on the vertical direction of NBE7LE-63 earth leakage protective devices 5, the inside center of NBE7LE-63 earth leakage protective devices 5
Between be movably installed with buckle releaser 6, and the side of buckle releaser 6 passes through the inner surface of cabinet shell 1 to be installed with zero sequence transformer
Air switch 8 is movably installed on the outside of one end of 7, NBE7LE-63 earth leakage protective devices 5, the lower end outside of cabinet shell 1 fixes peace
Equipped with electricity box pedestal 9, the position on the outside of the upper end of electricity box pedestal 9 close to cabinet shell 1 is movably installed with positive terminal 10, and just
The horizontal side of binding post 10 is movably installed with negative terminal 11, and one end outer surface of electricity box pedestal 9 is equipped with USB wiring holes 12,
Realize that data transmission is shared, the inside middle of cabinet shell 1 is installed with fine metal mesh cover 13, prevents external equipment pair
Electromagnetic interference is formed inside ammeter, improves measurement effect, the inside middle of fine metal mesh cover 13 is equipped with permanent magnet 14, coil
15 are movably arranged on the outer surface of permanent magnet 14, and shaft 16, and one end of shaft 16 are movably installed on the outside of one end of coil 15
Outside is equipped with balance spring spring 17.
The indication range of dial 2 is zero to three hundred milliamperes, and the resolution ratio of liquid crystal display 3 is 640x480, and liquid crystal
The interior side of display screen 3 is provided with microcontroller；The electric leakage reaction time of NBE7LE-63 earth leakage protective devices 5 is the nought point four second, and
NBE7LE-63 earth leakage protective devices 5 are internally provided with overload protection bimetal leaf；Shaft 16 and the quantity of balance spring spring 17 are two
Group, balance spring spring 17 are movably arranged on the outside of one end of shaft 16；Fine metal mesh cover 13 is internally provided with metal mesh, and thin gold
Belong to guard 13 to enclose around the outside one of permanent magnet 14；The outer surface of coil 15 is provided with several groups of conducting wires, the highest of permanent magnet 14
Temperature in use is no more than 300 degree.
It should be noted that the utility model is a kind of line current measurement table with anti-leakage function, when in use,
By setting cabinet shell 1, play the role of carrying internal part, the electricity box pedestal 9 of the lower end of cabinet shell 1 improves ammeter
The stability of plane is placed on, the USB wiring holes 12 of 9 side of electricity box pedestal can utilize USB wiring connection external equipment to realize
Data transmission is shared, during work, first by the circuit connection for needing to measure be connected on respectively positive terminal 10 on negative terminal 11, so
After press starting key 4, start the measurement of electric current, electric current passes through permanent magnet along the balance spring spring 17 of binding post side, shaft 16
14 magnetic fields generated, can form electric current and cut magnetic induction line, so magnetic field force induced effect, the amount of force of magnetic field force increases with electric current
Increasing greatly, then make the 15 life deflection of coil hair, drive shaft 16 rotates and then ammeter pointer can deflect on dial 2,
Registration is formed, while the data can be shown by microcontroller on liquid crystal display 3, more intuitively, outside coil 15
Fine metal mesh cover 13 can play the role of shielding external disturbance, when leaky occurs, NBE7LE-63 earth leakage protective devices 5
Zero sequence transformer 7 can be utilized to acquire information, be then passed to buckle releaser 6, the meeting automatic decision of buckle releaser 6 drives air switch 8 complete
It is operated into tripping, closes internal detection circuitry, it is more practical.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of line current measurement table with anti-leakage function, including cabinet shell（1）With coil（15）, feature exists
In：The cabinet shell（1）Oblique side external surface be equipped with dial（2）With liquid crystal display（3）, the liquid crystal display（3）
It is fixedly mounted on dial（2）Lower section, the cabinet shell（1）One end on the outside of be equipped with starting key（4）With NBE7LE-63
Earth leakage protective device（5）, the starting key（4）It is movably arranged on NBE7LE-63 earth leakage protective devices（5）Vertical direction, it is described
NBE7LE-63 earth leakage protective devices（5）Inside middle be movably installed with buckle releaser（6）, and buckle releaser（6）Side pass through case
Body case（1）Inner surface be installed with zero sequence transformer（7）, the NBE7LE-63 earth leakage protective devices（5）One end on the outside of
It is movably installed with air switch（8）, the cabinet shell（1）Lower end outside be installed with electricity box pedestal（9）, the electricity box
Pedestal（9）Upper end on the outside of close to cabinet shell（1）Position be movably installed with positive terminal（10）, and positive terminal（10）'s
Horizontal side is movably installed with negative terminal（11）, the electricity box pedestal（9）One end outer surface be equipped with USB wiring holes（12）,
The cabinet shell（1）Inside middle be installed with fine metal mesh cover（13）, the fine metal mesh cover（13）Inside
Middle is equipped with permanent magnet（14）, the coil（15）It is movably arranged on permanent magnet（14）Outer surface, the coil（15）'s
Shaft is movably installed on the outside of one end（16）, and shaft（16）One end on the outside of be equipped with balance spring spring（17）.
2. a kind of line current measurement table with anti-leakage function according to claim 1, it is characterised in that：The quarter
Scale（2）Indication range be zero to three hundred milliamperes, the liquid crystal display（3）Resolution ratio for 640x480, and liquid crystal display
Screen（3）Interior side be provided with microcontroller.
3. a kind of line current measurement table with anti-leakage function according to claim 1, it is characterised in that：It is described
NBE7LE-63 earth leakage protective devices（5）The electric leakage reaction time for the nought point four second, and NBE7LE-63 earth leakage protective devices（5）Inside
It is provided with overload protection bimetal leaf.
4. a kind of line current measurement table with anti-leakage function according to claim 1, it is characterised in that：Described turn
Axis（16）With balance spring spring（17）Quantity for two groups, the balance spring spring（17）It is movably arranged on shaft（16）One end outside
Side.
5. a kind of line current measurement table with anti-leakage function according to claim 1, it is characterised in that：It is described thin
Metal net mask（13）Be internally provided with metal mesh, and fine metal mesh cover（13）Around permanent magnet（14）Outside one enclose.
6. a kind of line current measurement table with anti-leakage function according to claim 1, it is characterised in that：The line
Circle（15）Outer surface be provided with several groups of conducting wires, the permanent magnet（14）Maximum operation (service) temperature be no more than 300 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455632.2U CN207488342U (en) | 2017-11-04 | 2017-11-04 | A kind of line current measurement table with anti-leakage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455632.2U CN207488342U (en) | 2017-11-04 | 2017-11-04 | A kind of line current measurement table with anti-leakage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488342U true CN207488342U (en) | 2018-06-12 |
Family
ID=62475296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721455632.2U Expired - Fee Related CN207488342U (en) | 2017-11-04 | 2017-11-04 | A kind of line current measurement table with anti-leakage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301367A (en) * | 2018-10-11 | 2019-02-01 | 东莞市海拓伟电子科技有限公司 | A kind of dynamic lithium battery group online data monitoring device |
| CN110187159A (en) * | 2019-05-16 | 2019-08-30 | 国网山东省电力公司诸城市供电公司 | Exempt from brokenly line and surveys electric installation |
| CN114280346A (en) * | 2021-12-27 | 2022-04-05 | 康熹智能科技（东莞）有限公司 | Intelligent electric meter with electric leakage prompting function and fireproof device for intelligent electric meter |
-
2017
- 2017-11-04 CN CN201721455632.2U patent/CN207488342U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301367A (en) * | 2018-10-11 | 2019-02-01 | 东莞市海拓伟电子科技有限公司 | A kind of dynamic lithium battery group online data monitoring device |
| CN110187159A (en) * | 2019-05-16 | 2019-08-30 | 国网山东省电力公司诸城市供电公司 | Exempt from brokenly line and surveys electric installation |
| CN114280346A (en) * | 2021-12-27 | 2022-04-05 | 康熹智能科技（东莞）有限公司 | Intelligent electric meter with electric leakage prompting function and fireproof device for intelligent electric meter |
| CN114280346B (en) * | 2021-12-27 | 2023-09-22 | 安徽融兆智能有限公司 | Smart electric meter and smart electric meter are with firebreak device with electric leakage prompt facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180612 Termination date: 20181104 |