CN208999474U - A kind of electric energy meter switch trip free device - Google Patents
A kind of electric energy meter switch trip free device Download PDFInfo
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- CN208999474U CN208999474U CN201821649885.8U CN201821649885U CN208999474U CN 208999474 U CN208999474 U CN 208999474U CN 201821649885 U CN201821649885 U CN 201821649885U CN 208999474 U CN208999474 U CN 208999474U
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- electric energy
- energy meter
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- 239000004020 conductor Substances 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 208000032368 Device malfunction Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of electric energy meters to switch trip free device, including electric energy meter upper housing, electric energy meter lower case, fixed plate, the electric energy meter lower case is arranged in electric energy meter upper housing trailing flank, the fixed plate is arranged in electric energy meter lower case trailing flank, expansion bolt is set in the fixed plate, nut is arranged in the expansion bolt leading flank, display screen is set among the electric energy meter upper housing leading flank, reset switch is arranged in the display screen side, positive terminal is set below the electric energy meter upper housing, negative terminal, the positive terminal, main circuit conductor is set between the negative terminal.Beneficial effect is: the utility model can realize electric energy meter automatic switch tripping, the short-circuit protection of main circuit conductor can be realized, and the open circuit of measuring circuit conducting wire can be achieved at the same time; it is good in economic efficiency, it is quick on the draw, can reset; service life is long, device maintenance simply easy to maintain.
Description
Technical field
The utility model relates to electric energy meters to protect field, switch trip free device more particularly to a kind of electric energy meter.
Background technique
Electric energy meter is the instrument for measuring electric energy, also known as kilowatt-hour meter, energy meter, kilowatt-hour table, refers to the various electricity of measurement
It should be noted that when the instrument of amount is using electric energy meter in the case where low-voltage (being no more than 500 volts) and low current (dozens of Ann), electric energy
Table can be directly accessed circuit lead and measure.In the case where high voltage or high current, electric energy meter cannot directly access route,
Voltage transformer or current transformer need to be cooperated to use, three-phase voltage meter or ammeter are in use, it may appear that a certain phase missing
Or the situation that deviation is larger, there is such case and easily cause load device malfunction or damage, therefore it provides a kind of electric energy meter
Trip free device is necessary, and electric energy meter on the market generallys use fuse fusing when electric current is excessive at present
Method realize overload protection, fusing needs the time, be easy to damage electric energy meter in this process, cause economic loss.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of electric energy meter switch automatic trip dress
It sets, the utility model is quick on the draw, and can reset, and the service life is long, and device is simple.
The utility model achieves the above object through the following technical schemes:
A kind of electric energy meter switch trip free device, including electric energy meter upper housing, electric energy meter lower case, fixed plate, it is described
The electric energy meter lower case is arranged in electric energy meter upper housing trailing flank, and the fixed plate is arranged in electric energy meter lower case trailing flank,
Expansion bolt is set in the fixed plate, and the expansion bolt leading flank is arranged nut, in the electric energy meter upper housing leading flank
Between display screen is set, reset switch is arranged in the display screen side, setting positive terminal below the electric energy meter upper housing, negative
Main circuit conductor, the main circuit conductor lateral surface is arranged in pole binding post between the positive terminal, the negative terminal
Close to the side of the positive terminal, current inductor, the model IQK-57 of the current inductor, the electric current are set
Current testing circuit conducting wire is arranged in inductor upper surface, and ammeter, the main electricity is arranged in the current testing circuit wire end
Voltage sensor, the model ASM- of the voltage sensor is arranged close to the position of the negative terminal in line conductor lateral surface
13, circuit for testing voltage conducting wire is arranged in the voltage sensor upper surface, and voltage is arranged in the circuit for testing voltage wire end
Circuit lead is arranged in table, the main circuit conductor, the current testing circuit conducting wire, circuit for testing voltage conducting wire centre
Insulated connecting piece is arranged in plate, the circuit lead plate centre, and motor, the circuit lead plate is arranged in the insulated connecting piece side
Limited post is arranged in leading flank, and intelligent controller, the model of the intelligent controller is arranged inside the electric energy meter upper housing
PQK-18, the reset switch, the ammeter, the voltmeter are connected electrically on the intelligent controller, the display screen,
The motor is connected electrically on the intelligent controller.
Further setting: the electric energy meter upper housing takes shape in the electric energy meter lower case, the electric energy meter lower case
It is bolted in the fixed plate, the expansion bolt interference is connected in the fixed plate, and the display screen is embedded in institute
It states on electric energy meter upper housing, the reset switch is embedded on the electric energy meter upper housing, the positive terminal, the cathode
Binding post is threaded in the electric energy meter lower case, and the main circuit conductor is welded on the positive terminal, described negative
On the binding post of pole, the main circuit conductor is welded on the current inductor.
So set, the electric energy meter upper housing and the electric energy meter lower case is made to connect into an entirety, make the electricity
Can table lower case is reliable and stable being connected in the fixed plate and can remove from the fixed plate, make the expansion bolt
Reliable and stable is connected in the fixed plate, makes the display screen is reliable and stable to be connected on the electric energy meter upper housing.
Further setting: the current testing circuit conducting wire is welded on the current inductor, the testing current electricity
Line conductor is welded on the ammeter.
So set, making the current testing circuit conducting wire is reliable and stable to be connected on the current inductor.
Further setting: the main circuit conductor is welded on the voltage sensor, the circuit for testing voltage conducting wire
It is welded on the voltage sensor.
So set, making the main circuit conductor is reliable and stable to be connected on the voltage sensor.
Further setting: the voltmeter is welded on the circuit for testing voltage conducting wire, the main circuit conductor, described
Current testing circuit conducting wire, circuit for testing voltage conducting wire middle section are embedded on the circuit lead plate.
So set, making the voltmeter is reliable and stable to be connected on the circuit for testing voltage conducting wire.
Further setting: the circuit lead board button is connected in the insulated connecting piece, the insulated connecting piece connection
Axis device is connected on the motor.
So set, making the circuit lead plate is reliable and stable to be connected in the insulated connecting piece.
Further setting: the limited post is welded in the electric energy meter lower case, and the intelligent controller is bolted
On the electric energy meter upper housing.
So set, the limited post and the electric energy meter lower case is made to connect into an entirety.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the short-circuit protection of main circuit conductor can be realized, and the open circuit of measuring circuit conducting wire can be achieved at the same time；
2, good in economic efficiency, it is quick on the draw, can reset, the service life is long；
3, device maintenance simply easy to maintain.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of electric energy meter switch trip free device described in the utility model；
Fig. 2 is a kind of electric energy meter lower case front cross-sectional of electric energy meter switch trip free device described in the utility model
Figure；
Fig. 3 is a kind of right side view of electric energy meter switch trip free device described in the utility model；
Fig. 4 is a kind of circuit lead structure flow diagram of electric energy meter switch trip free device described in the utility model.
The reference numerals are as follows:
1, electric energy meter upper housing；2, electric energy meter lower case；3, fixed plate；4, expansion bolt；5, nut；6, positive terminal
Column；7, negative terminal；8, display screen；9, reset switch；10, intelligent controller；11, main circuit conductor；12, electric current incudes
Device；13, current testing circuit conducting wire；14, ammeter；15, voltage sensor；16, circuit for testing voltage conducting wire；17, voltmeter；
18, motor；19, limited post；20, insulated connecting piece；21, circuit lead plate.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1
As Figure 1-Figure 4, a kind of electric energy meter switchs trip free device, including electric energy meter upper housing 1, electric energy meter lower casing
Electric energy meter lower case 2, electric energy meter upper housing 1, electric energy meter lower case 2 is arranged in body 2, fixed plate 3,1 trailing flank of electric energy meter upper housing
Effect mainly make protect the operation of internal component not by external interference, 2 trailing flank of electric energy meter lower case setting fixed plate 3,
Electric energy meter upper housing 1, electric energy meter lower case 2 is mainly fixedly mounted in the effect of fixed plate 3, and expansion bolt is arranged in fixed plate 3
4, fixed plate 3 is mainly fixed on pre-installed position by the effect of expansion bolt 4, nut 5, and spiral shell is arranged in 4 leading flank of expansion bolt
Display screen 8 is arranged in mother 5,1 leading flank of electric energy meter upper housing centre, and reset switch 9, electric energy meter upper housing 1 is arranged in 8 side of display screen
Positive terminal 6, negative terminal 7 is arranged in lower section, and main circuit conductor 11 is arranged between positive terminal 6, negative terminal 7,
Current inductor 12, the effect master of current inductor 12 is arranged close to the side of positive terminal 6 in 11 lateral surface of main circuit conductor
If the electric current of main circuit conductor 11 is reduced, current testing circuit conducting wire 13 is arranged in 12 upper surface of current inductor, and electric current is surveyed
It tries 13 end of circuit lead and ammeter 14 is set, the electric current of main circuit conductor 11, main electricity are mainly tested in the effect of ammeter 14
Voltage sensor 15 is arranged close to the position of negative terminal 7 in 11 lateral surface of line conductor, and the effect of voltage sensor 15 is mainly
The voltage of main circuit conductor 11 is reduced into 15 upper surface of voltage sensor, circuit for testing voltage conducting wire 16, circuit for testing voltage are set
Voltmeter 17 is arranged in 16 end of conducting wire, and the voltage of main circuit conductor 11, main circuit conductor are mainly tested in the effect of voltmeter 17
11, current testing circuit conducting wire 13, circuit lead plate 21, the work of circuit lead plate 21 are set among circuit for testing voltage conducting wire 16
With mainly etching main circuit conductor 11, current testing circuit conducting wire 13, circuit for testing voltage conducting wire 16 partial circuit conducting wire,
It can be by main circuit conductor 11, current testing circuit conducting wire 13,16 open circuit of circuit for testing voltage conducting wire, electricity after rotary shifted
Insulated connecting piece 20 is set among line conductor plate 21, the effect of insulated connecting piece 20 is mainly nailed circuit wire guide plate 21,
Motor 18 is arranged in 20 side of insulated connecting piece, and the effect of motor 18 mainly provides power, 21 front side of circuit lead plate for device
Limited post 19 is arranged in face, and the effect of limited post 19 is mainly the extreme position that limiting circuit wire guide plate 21 rotates, electric energy meter upper casing
Intelligent controller 10 is set inside body 1, and the effect of intelligent controller 10 mainly carries out intellectual analysis calculating to data, and controls
The molar behavior of device processed, reset switch 9, ammeter 14, voltmeter 17 are connected electrically on intelligent controller 10, display screen 8, electricity
Machine 18 is connected electrically on intelligent controller 10.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
Electric energy meter upper housing 1 takes shape in electric energy meter lower case 2, and electric energy meter lower case 2 is bolted in fixed plate 3,
4 interference of expansion bolt is connected in fixed plate 3, and display screen 8 is embedded on electric energy meter upper housing 1, and reset switch 9 is embedded in electric energy
On table upper housing 1, positive terminal 6, negative terminal 7 are threaded in electric energy meter lower case 2, and main circuit conductor 11 welds
On positive terminal 6, negative terminal 7, main circuit conductor 11 is welded on current inductor 12, makes electric energy meter upper housing 1
Connect into an entirety with electric energy meter lower case 2, make electric energy meter lower case 2 it is reliable and stable be connected in fixed plate 3 and can be with
It is removed from fixed plate 3, makes expansion bolt 4 is reliable and stable to be connected in fixed plate 3, the connection for keeping display screen 8 reliable and stable
On electric energy meter upper housing 1.
Embodiment 3
The present embodiment the difference from embodiment 1 is that:
Current testing circuit conducting wire 13 is welded on current inductor 12, and current testing circuit conducting wire 13 is welded on ammeter
On 14, make current testing circuit conducting wire 13 is reliable and stable to be connected on current inductor 12.
Working principle: when using the electric energy meter, first expansion bolt 4 is inserted into pre-installation hole, rotating nut 5 will be consolidated
Fixed board 3 fixes, and will connect respectively the positive and negative anodes of main circuit conductor on positive terminal 6, negative terminal 7 later, leads at this time
It is electrified stream, voltage on circuit lead 11, after current inductor 12 reduces the electric current on main circuit conductor 11 in proportion
Be passed through in ammeter 14, for ammeter 14 measure, voltage sensor 15 by the voltage on main circuit conductor 11 reduce in proportion with
After be passed through in circuit for testing voltage conducting wire 16, voltage supplied table 17 measures, and circuit for testing voltage conducting wire 16, voltmeter 17 are by measurement
Information passes to intelligent controller 10, and intelligent controller 10 shows data on display screen 8, and intelligent controller 10 once detects
It is abnormal to electric current, voltage data, motor 18 can be started, motor 18 drives insulated connecting piece 20 to rotate, and insulated connecting piece 20 is driven
Dynamic circuit lead plate 21 rotates, and circuit lead plate 21 is by main circuit conductor 11, current testing circuit conducting wire 13, circuit for testing voltage
Conducting wire 16 is cut off simultaneously, is encountered limited post 19 and is stopped rotating later, and service personnel answers circuit lead later press back to normal
Bit switch 9 can send information to intelligent controller 10, and intelligent controller 10 controls motor 18 according to information and starts, with same
Process resets circuit lead plate 21.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of electric energy meter switchs trip free device, it is characterised in that: including electric energy meter upper housing (1), electric energy meter lower case
(2), the electric energy meter lower case (2), the electric energy meter lower casing is arranged in fixed plate (3), electric energy meter upper housing (1) trailing flank
The fixed plate (3) is arranged in body (2) trailing flank, expansion bolt (4) is arranged on the fixed plate (3), before the expansion bolt (4)
Nut (5) are arranged in side, display screen (8) are arranged among electric energy meter upper housing (1) leading flank, display screen (8) side
Be arranged reset switch (9), positive terminal (6), negative terminal (7) be set below the electric energy meter upper housing (1), it is described just
Main circuit conductor (11) are set between pole binding post (6), the negative terminal (7), main circuit conductor (11) lateral surface
Current inductor (12) are arranged in side close to the positive terminal (6), current inductor (12) the upper surface setting electricity
Ammeter (14) are arranged in current test circuit lead (13), current testing circuit conducting wire (13) end, the main circuit conductor
(11) voltage sensor (15) are arranged close to the position of the negative terminal (7) in lateral surface, on the voltage sensor (15)
Circuit for testing voltage conducting wire (16) are arranged in surface, and voltmeter (17) are arranged in circuit for testing voltage conducting wire (16) end, described
Main circuit conductor (11), the current testing circuit conducting wire (13), the circuit for testing voltage conducting wire (16) are intermediate to be arranged circuit
Wire guide plate (21), the circuit lead plate (21) is intermediate to be arranged insulated connecting piece (20), and insulated connecting piece (20) side is set
It sets motor (18), limited post (19) are arranged in circuit lead plate (21) leading flank, setting inside the electric energy meter upper housing (1)
Intelligent controller (10), the reset switch (9), the ammeter (14), the voltmeter (17) are connected electrically in the intelligence
On controller (10), the display screen (8), the motor (18) are connected electrically on the intelligent controller (10).
2. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the electric energy meter upper casing
Body (1) takes shape on the electric energy meter lower case (2), and the electric energy meter lower case (2) is bolted to the fixed plate (3)
On, expansion bolt (4) interference is connected on the fixed plate (3), and the display screen (8) is embedded in the electric energy meter upper casing
On body (1), the reset switch (9) is embedded on the electric energy meter upper housing (1), the positive terminal (6), the cathode
Binding post (7) is threaded on the electric energy meter lower case (2), and the main circuit conductor (11) is welded on the positive terminal
On column (6), the negative terminal (7), the main circuit conductor (11) is welded on the current inductor (12).
3. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the testing current electricity
Line conductor (13) is welded on the current inductor (12), and the current testing circuit conducting wire (13) is welded on the ammeter
(14) on.
4. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the main circuit conductor
(11) it is welded on the voltage sensor (15), the circuit for testing voltage conducting wire (16) is welded on the voltage sensor
(15) on.
5. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the voltmeter (17)
Be welded on the circuit for testing voltage conducting wire (16), the main circuit conductor (11), the current testing circuit conducting wire (13),
Circuit for testing voltage conducting wire (16) middle section is embedded on the circuit lead plate (21).
6. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the circuit lead plate
(21) it snaps connection on the insulated connecting piece (20), insulated connecting piece (20) shaft coupling is connected to the motor (18)
On.
7. a kind of electric energy meter according to claim 1 switchs trip free device, it is characterised in that: the limited post (19)
It is welded on the electric energy meter lower case (2), the intelligent controller (10) is bolted to the electric energy meter upper housing (1)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649885.8U CN208999474U (en) | 2018-10-11 | 2018-10-11 | A kind of electric energy meter switch trip free device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649885.8U CN208999474U (en) | 2018-10-11 | 2018-10-11 | A kind of electric energy meter switch trip free device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999474U true CN208999474U (en) | 2019-06-18 |
Family
ID=66803548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821649885.8U Expired - Fee Related CN208999474U (en) | 2018-10-11 | 2018-10-11 | A kind of electric energy meter switch trip free device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999474U (en) |
-
2018
- 2018-10-11 CN CN201821649885.8U patent/CN208999474U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190618 |