CN109462159A - A kind of anti-theft safe antitheft batch meter - Google Patents
A kind of anti-theft safe antitheft batch meter Download PDFInfo
- Publication number
- CN109462159A CN109462159A CN201811332615.9A CN201811332615A CN109462159A CN 109462159 A CN109462159 A CN 109462159A CN 201811332615 A CN201811332615 A CN 201811332615A CN 109462159 A CN109462159 A CN 109462159A
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- CN
- China
- Prior art keywords
- ammeter
- circuit breaker
- dry
- retaining rail
- electric current
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The invention discloses a kind of anti-theft safe antitheft batch meters, including cabinet and chamber door, the box house is equipped with fixed plate, the fixed plate leading flank is equipped with retaining rail, the retaining rail is at least provided with six, electric current metering units are equipped on front side of the retaining rail, the electric current metering units fit closely fixation by fixing piece and retaining rail, electric current metering units top is equipped with dry-reed relay, the dry-reed relay bottom is equipped with ammeter, the ammeter side is equipped with circuit breaker, the dry-reed relay two sides are equipped with tongue, the dry-reed relay is electrically connected by tongue and circuit breaker, the circuit breaker side and ammeter are closely pasted and are fixed, the anti-theft safe antitheft batch meter, it is reasonable in design, pass through ammeter, circuit breaker and dry-reed relay and share out the work and help one another, thoroughly prevent power stealing person's utilization Super magnet destroys ammeter work and achievees the purpose that power stealing.
Description
Technical field
Invention is related to electrical equipment, specially a kind of anti-theft safe antitheft batch meter.
Background technique
Batch meter is a kind of usual means for protective current table, and can facilitate the installation of ammeter, and ammeter is
Refer to the instrument for being used to measure electric current in AC and DC circuit.In circuit diagram, the symbol of ammeter is " circle A ".Current value is with " peace "
Or " A " is standard unit.Ammeter is the effect magnetic field force induced in magnetic field according to electrical conductor and manufactured.Inside ammeter
There is a permanent magnet, generates magnetic field in interpolar, have a coil in magnetic field, respectively there is a balance spring spring at coil both ends, and spring is each
A binding post for connecting ammeter is connected between spring and coil by shaft, in front end of the shaft relative to ammeter,
There is a pointer.When a current passes through, electric current is along spring, shaft by magnetic field, and electric current cuts magnetic induction line, so magnetic field force induced
Effect, makes coil deflect, and drives shaft, throw of pointer.Since the size of magnetic field force increases with electric current and increase, so just
The size of electric current can be observed by the degree of deflection of pointer.This is magneto-electric ammeter, is exactly us usually in laboratory
That.In period in junior middle school, ammeter range used is generally 0 ~ 0.6A and 0 ~ 3A.
But existing batch meter, protectiveness is poor, and being easily stolen electric person influences the normal work of ammeter using superpower permanet magnetic body
Make to carry out stealing electricity behavior.
So how to design a kind of anti-theft safe antitheft batch meter, becoming us will currently be solved the problems, such as.
Summary of the invention
Invention is designed to provide a kind of anti-theft safe antitheft batch meter, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, invention provides the following technical solutions: a kind of anti-theft safe antitheft batch meter, including case
Body and chamber door, the box house be equipped with fixed plate, the fixed plate leading flank be equipped with retaining rail, the retaining rail at least provided with
6, the retaining rail front side is equipped with electric current metering units, and the electric current metering units are fitted closely by fixing piece and retaining rail
Fixed, electric current metering units top is equipped with dry-reed relay, and the dry-reed relay bottom is equipped with ammeter, the electric current
Table side is equipped with circuit breaker, and the dry-reed relay two sides are equipped with tongue, and the dry-reed relay passes through tongue and power-off
Device is electrically connected, and the circuit breaker side and ammeter are closely pasted and fixed.
Preferably, the cabinet left side is equipped with chamber door, and the chamber door side is equipped with hinge, and the hinge is inner shaft conjunction
Page, the chamber door and hinge opposite side are equipped with lock, and the locking plate is flexibly connected by bearing with chamber door, and the chamber door side is equipped with
Observation window, the observation window are glass system observation window, and the observation window is at least provided with 6 and corresponding with retaining rail position.
Preferably, the circuit breaker is connected on the main circuit, and the circuit breaker side is in series with dry-reed relay, described
Ammeter is then in parallel with circuit breaker.
Preferably, the ammeter leading flank is equipped with the magnitude of current and shows that axis, the magnitude of current show that axis bottom is equipped with electric current
Table power-on box.
Preferably, the circuit breaker leading flank is equipped with electric current Isolating Switch, is equipped on the right side of the electric current Isolating Switch
Safety button, the safety button top are equipped with emergency power off button, and electric current Isolating Switch bottom is equipped with circuit breaker and connects electricity
Mouthful.
Preferably, the retaining rail side is equipped with fixation hole, and the fixation hole is threaded hole, and the retaining rail side is at least
Equipped with 15 fixation holes, and the orderly longitudinal arrangement of the fixation hole is in retaining rail.
Preferably, the cabinet right side is equipped with lock, and the lock side is closely welded and fixed with cabinet, the lock
Top is equipped with baffle, and the baffle is in ramped shaped, and fits closely fixation on the right side of the baffle and cabinet.
Compared with prior art, advantageous effect of the invention is.
1, the anti-theft safe antitheft batch meter has dry-reed relay, and dry-reed relay is connected with circuit breaker, solution
The power stealing person that determined influences the work of ammeter using superpower permanent magnet, the problem of power stealing, so that working as permanent magnet
Dry-reed relay will be interfered and not re-form closed loop circuit when close, so that circuit breaker powers off, power stealing person be avoided to sneak current.
2, the anti-theft safe antitheft batch meter has baffle, and baffle and cabinet fit closely fixation, solve meter
Measuring tank after prolonged use, the problem of lockset is easily damaged, so that lockset increases making for lockset not by the big solarization of rain
With the service life, to facilitate the subsequent use of electrician, and the waste of lockset is avoided.
3, the anti-theft safe antitheft batch meter has retaining rail, and retaining rail side is equipped at least 15 fixation holes,
It solves electric current metering units to be difficult to install, laborious problem of taking a lot of work, so that putting electric current metering units more easily energy
Installation and removal, accelerate the efficiency of electrician personnel at work, ensure that the normal electricity consumption of resident.
4, the anti-theft safe antitheft batch meter has fixed plate, solves batch meter and integrally damages when removing and using
Bad the case where scrapping, so that circuit of the batch meter when service life expires or rebuilds in guard box be not by disassembly process
Damage reduces the economic asset loss of people.
5, the anti-theft safe antitheft batch meter, ammeter and circuit breaker be it is in parallel, solve ammeter and go wrong
When circuit breaker and dry-reed relay cannot work, give power stealing person's opportunity the problem of so that when ammeter damage when, break
Electric appliance and dry-reed relay can work on and keep the protection to electric power, prevent the stealing electricity behavior of power stealing person.
Detailed description of the invention
Fig. 1 is the overall structure diagram of invention；
Fig. 2 is the fixed plate structure schematic diagram of invention；
Fig. 3 is schematic enlarged-scale view at the A of invention；
Fig. 4 is the electric current metering cellular construction schematic diagram of invention；
Fig. 5 is the appliance circuit figure of invention.
In figure: 1, cabinet；2, chamber door, 3, observation window；4, locking plate；5, hinge；6, baffle；7, it latches；8, retaining rail；9, electric
Flow metering units；10, fixation hole；11, fixed plate；901, ammeter；902, circuit breaker；903, dry-reed relay；904, electric current
Amount display axis；905, ammeter power-on box；906, circuit breaker connects power port；907, electric current Isolating Switch；908, safety button；909,
Tongue；9010, emergency power off button.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one,
Fig. 1-4 is please referred to, invention provides a kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2, the cabinet 1
Inside is equipped with fixed plate 11, and 11 leading flank of fixed plate is equipped with retaining rail 8, and the retaining rail 8 is described solid at least provided with 6
Electric current metering units 9 are equipped on front side of orbit determination 8, the electric current metering units 9 fit closely fixation by fixing piece and retaining rail 8,
9 top of electric current metering units is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, institute
901 side of ammeter is stated equipped with circuit breaker 902,903 two sides of dry-reed relay are equipped with tongue 909, the dry spring relay
Device 903 is electrically connected by tongue 909 and circuit breaker 902, and 902 side of circuit breaker is with the close patch of ammeter 901 and admittedly
It is fixed.
Embodiment two,
A kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are equipped with fixed plate 11, institute inside the cabinet 1
11 leading flank of fixed plate is stated equipped with retaining rail 8, the retaining rail 8 is equipped with galvanometer at least provided with 6 on front side of the retaining rail 8
Unit 9 is measured, the electric current metering units 9 fit closely fixation by fixing piece and retaining rail 8, and the electric current metering units 9 push up
End is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, and 901 side of ammeter is equipped with
Circuit breaker 902,903 two sides of dry-reed relay be equipped with tongue 909, the dry-reed relay 903 by tongue 909 with
Circuit breaker 902 is electrically connected, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, 1 left side of cabinet is equipped with chamber door 2, and 2 side of chamber door is equipped with hinge 5, and the hinge 5 is interior
Axis hinge, the chamber door 2 are equipped with locking plate 4 with 5 opposite side of hinge, and the locking plate 4 is flexibly connected by bearing with chamber door 2, the case
2 sides of door are equipped with observation window 3, and the observation window 3 is glass system observation window, and the observation window 3 is at least provided with 6 and and retaining rail
8 positions are corresponding.
Embodiment three,
A kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are equipped with fixed plate 11, institute inside the cabinet 1
11 leading flank of fixed plate is stated equipped with retaining rail 8, the retaining rail 8 is equipped with galvanometer at least provided with 6 on front side of the retaining rail 8
Unit 9 is measured, the electric current metering units 9 fit closely fixation by fixing piece and retaining rail 8, and the electric current metering units 9 push up
End is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, and 901 side of ammeter is equipped with
Circuit breaker 902,903 two sides of dry-reed relay be equipped with tongue 909, the dry-reed relay 903 by tongue 909 with
Circuit breaker 902 is electrically connected, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, the circuit breaker 902 is connected on the main circuit, and 902 side of the circuit breaker is in series with dry spring relay
Device 903, the ammeter 901 are then in parallel with circuit breaker 903.
Example IV,
A kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are equipped with fixed plate 11, institute inside the cabinet 1
11 leading flank of fixed plate is stated equipped with retaining rail 8, the retaining rail 8 is equipped with galvanometer at least provided with 6 on front side of the retaining rail 8
Unit 9 is measured, the electric current metering units 9 fit closely fixation by fixing piece and retaining rail 8, and the electric current metering units 9 push up
End is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, and 901 side of ammeter is equipped with
Circuit breaker 902,903 two sides of dry-reed relay be equipped with tongue 909, the dry-reed relay 903 by tongue 909 with
Circuit breaker 902 is electrically connected, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, 901 leading flank of ammeter is equipped with the magnitude of current and shows that axis 904, the magnitude of current show 904 bottom of axis
Equipped with ammeter power-on box 905.
Embodiment five, a kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are set inside the cabinet 1
There is fixed plate 11,11 leading flank of fixed plate is equipped with retaining rail 8, and the retaining rail 8 is at least provided with 6, before the retaining rail 8
Side is equipped with electric current metering units 9, and the electric current metering units 9 fit closely fixation, the electric current by fixing piece and retaining rail 8
9 top of metering units is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, the ammeter
901 sides are equipped with circuit breaker 902, and 903 two sides of dry-reed relay are equipped with tongue 909, and the dry-reed relay 903 passes through
Tongue 909 is electrically connected with circuit breaker 902, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, 902 leading flank of circuit breaker is equipped with electric current Isolating Switch 907, the electric current Isolating Switch 907
Right side is equipped with safety button 908, and 908 top of safety button is equipped with emergency power off button 9010, the electric current Isolating Switch
907 bottoms are equipped with circuit breaker and connect power port 906.
Embodiment six, a kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are set inside the cabinet 1
There is fixed plate 11,11 leading flank of fixed plate is equipped with retaining rail 8, and the retaining rail 8 is at least provided with 6, before the retaining rail 8
Side is equipped with electric current metering units 9, and the electric current metering units 9 fit closely fixation, the electric current by fixing piece and retaining rail 8
9 top of metering units is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, the ammeter
901 sides are equipped with circuit breaker 902, and 903 two sides of dry-reed relay are equipped with tongue 909, and the dry-reed relay 903 passes through
Tongue 909 is electrically connected with circuit breaker 902, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, 8 side of retaining rail is equipped with fixation hole 10, and the fixation hole 10 is threaded hole, the retaining rail 8 one
Side is at least provided with 15 fixation holes 10, and the orderly longitudinal arrangement of the fixation hole is in retaining rail 8.
Embodiment seven,
A kind of anti-theft safe antitheft batch meter, including cabinet 1 and chamber door 2 are equipped with fixed plate 11, institute inside the cabinet 1
11 leading flank of fixed plate is stated equipped with retaining rail 8, the retaining rail 8 is equipped with galvanometer at least provided with 6 on front side of the retaining rail 8
Unit 9 is measured, the electric current metering units 9 fit closely fixation by fixing piece and retaining rail 8, and the electric current metering units 9 push up
End is equipped with dry-reed relay 903, and 903 bottom of dry-reed relay is equipped with ammeter 901, and 901 side of ammeter is equipped with
Circuit breaker 902,903 two sides of dry-reed relay be equipped with tongue 909, the dry-reed relay 903 by tongue 909 with
Circuit breaker 902 is electrically connected, and 902 side of circuit breaker and ammeter 901 are closely pasted and fixed.
Preferably, 1 right side of cabinet is equipped with lock 7, and 7 sides of the lock are closely welded and fixed with cabinet, described
7 tops are latched equipped with baffle 6, the baffle 6 is in ramped shaped, and fits closely fixation on the right side of the baffle 6 and cabinet 1.
In use, first opening chamber door 2, and install according to actual demand or dismantle certain electric current metering units 9, so
Afterwards using starting switch and closing still which chamber door 2 and locked cabinet door with latching 7 by locking plate 4, finally when power stealing person utilizes
When permanent magnet influences ammeter 901 in case, dry-reed relay 903 can be because of magnetic field reason, and the two poles of the earth relate to pornographic movie 909 and can separate, and
Cause circuit that cannot form closed circuit, to start circuit breaker 902 and stop powering, avoids the generation of stealing electricity behavior.This is anti-
The safe antitheft batch meter of power stealing has dry-reed relay 903, and dry-reed relay 903 is connected with circuit breaker 902, is solved
Power stealing person influences the work of ammeter using superpower permanent magnet, the problem of power stealing, so that when permanent magnet is close
When dry-reed relay 903 will be interfered and not re-form closed loop circuit so that circuit breaker powers off, power stealing person is avoided to sneak current.This is anti-
The safe antitheft batch meter of power stealing has baffle, and baffle 6 and cabinet 1 fit closely fixation, solves batch meter for a long time
After use, the problem of lockset is easily damaged, so that lockset increases the service life of lockset not by the big solarization of rain, thus
Facilitate the subsequent use of electrician, and avoids the waste of lockset.The anti-theft safe antitheft batch meter has retaining rail 8, and
8 side of retaining rail is equipped at least 15 fixation holes 10, solves electric current metering units and is difficult to install, laborious problem of taking a lot of work, from
And making invocation point galvanometer amount unit 9 more easily can mount and dismount, and accelerate the efficiency of electrician personnel at work, guarantee
The normal electricity consumption of resident.The anti-theft safe antitheft batch meter has fixed plate 6, solves batch meter and is removing use
When whole damage the case where scrapping so that circuit of the batch meter when service life expires or rebuilds in guard box is not torn open
The damage of dress process reduces the economic asset loss of people.The anti-theft safe antitheft batch meter, ammeter 901 and disconnected
Electric appliance 903 is parallel connection, and solving ammeter, circuit breaker and dry-reed relay 903 cannot work when something goes wrong, can to power stealing person
The problem of machine multiplied, so that circuit breaker and dry-reed relay can work on and keep to electricity when ammeter 901 damages
The protection of power prevents the stealing electricity behavior of power stealing person.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of anti-theft safe antitheft batch meter, including cabinet (1) and chamber door (2), it is characterised in that: the cabinet (1)
Inside is equipped with fixed plate (11), and fixed plate (11) leading flank is equipped with retaining rail (8), and the retaining rail (8) is at least provided with 6
Item, retaining rail (8) front side are equipped with electric current metering units (9), and the electric current metering units (9) pass through fixing piece and retaining rail
(8) fixation is fitted closely, electric current metering units (9) top is equipped with dry-reed relay (903), the dry-reed relay
(903) bottom is equipped with ammeter (901), and ammeter (901) side is equipped with circuit breaker (902), the dry-reed relay
(903) two sides are equipped with tongue (909), and the dry-reed relay (903) is electrical by tongue (909) and circuit breaker (902)
Connection, circuit breaker (902) side and ammeter (901) are closely pasted and are fixed.
2. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: on the left of the cabinet (1)
Face be equipped with chamber door (2), chamber door (2) side be equipped with hinge (5), the hinge (5) be inner shaft hinge, the chamber door (2) with
Hinge (5) opposite side is equipped with locking plate (4), and the locking plate (4) is flexibly connected by bearing with chamber door (2), and chamber door (2) side is set
Have observation window (3), the observation window (3) be glass system observation window, the observation window (3) at least provided with 6 and with retaining rail (8)
Position is corresponding.
3. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: the circuit breaker (902)
On the main circuit, and the circuit breaker (902) side is in series with dry-reed relay (903) for series connection, the ammeter (901) then with
Circuit breaker (903) is in parallel.
4. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: the ammeter (901)
Leading flank is equipped with the magnitude of current and shows axis (904), and the magnitude of current shows that axis (904) bottom is equipped with ammeter power-on box (905).
5. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: the circuit breaker
(902) leading flank is equipped with electric current Isolating Switch (907), is equipped with safety button (908) on the right side of the electric current Isolating Switch (907),
Safety button (908) top is equipped with emergency power off button (9010), and electric current Isolating Switch (907) bottom is equipped with power-off
Device connects power port (906).
6. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: the retaining rail (8) one
Side is equipped with fixation hole (10), and the fixation hole (10) is threaded hole, and retaining rail (8) side is at least provided with 15 fixation holes
(10), and the orderly longitudinal arrangement of the fixation hole is on retaining rail (8).
7. a kind of anti-theft safe antitheft batch meter as described in claim 1, it is characterised in that: on the right side of the cabinet (1)
Face is equipped with lock (7), and lock (7) side is closely welded and fixed with cabinet, and lock (7) top is equipped with baffle (6), institute
It states baffle (6) and fits closely fixation in ramped shaped, and on the right side of the baffle (6) and cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332615.9A CN109462159A (en) | 2018-11-09 | 2018-11-09 | A kind of anti-theft safe antitheft batch meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332615.9A CN109462159A (en) | 2018-11-09 | 2018-11-09 | A kind of anti-theft safe antitheft batch meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109462159A true CN109462159A (en) | 2019-03-12 |
Family
ID=65609882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332615.9A Pending CN109462159A (en) | 2018-11-09 | 2018-11-09 | A kind of anti-theft safe antitheft batch meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN109462159A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203338U (en) * | 1985-08-07 | 1986-06-18 | 国营江北机械厂建东工业公司 | Controller for preventing consuming electric source bypassing watthour meter |
| DE19520226A1 (en) * | 1995-06-01 | 1996-12-05 | Siemens Ag | Electrical device housing monitor, esp. for electricity meter |
| CN2870246Y (en) * | 2006-01-24 | 2007-02-14 | 天津保泰机电设备有限公司 | Lighting metering box |
| CN201576030U (en) * | 2009-12-10 | 2010-09-08 | 安徽省电力公司巢湖供电公司 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
| CN107727903A (en) * | 2017-10-09 | 2018-02-23 | 国网河南省电力公司内乡县供电公司 | A kind of ammeter box |
-
2018
- 2018-11-09 CN CN201811332615.9A patent/CN109462159A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203338U (en) * | 1985-08-07 | 1986-06-18 | 国营江北机械厂建东工业公司 | Controller for preventing consuming electric source bypassing watthour meter |
| DE19520226A1 (en) * | 1995-06-01 | 1996-12-05 | Siemens Ag | Electrical device housing monitor, esp. for electricity meter |
| CN2870246Y (en) * | 2006-01-24 | 2007-02-14 | 天津保泰机电设备有限公司 | Lighting metering box |
| CN201576030U (en) * | 2009-12-10 | 2010-09-08 | 安徽省电力公司巢湖供电公司 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
| CN107727903A (en) * | 2017-10-09 | 2018-02-23 | 国网河南省电力公司内乡县供电公司 | A kind of ammeter box |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190312 |
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| WD01 | Invention patent application deemed withdrawn after publication |