CN110361574A - A kind of ammeter - Google Patents

A kind of ammeter Download PDF

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Publication number
CN110361574A
CN110361574A CN201910654891.5A CN201910654891A CN110361574A CN 110361574 A CN110361574 A CN 110361574A CN 201910654891 A CN201910654891 A CN 201910654891A CN 110361574 A CN110361574 A CN 110361574A
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CN
China
Prior art keywords
mounting plate
bar
meter case
spring
ammeter
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Granted
Application number
CN201910654891.5A
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Chinese (zh)
Other versions
CN110361574B (en
Inventor
贾松
陈宏汹
贾家旭
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Shenzhen City Singhang Electric Technology Co ltd
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Individual
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Priority to CN201910654891.5A priority Critical patent/CN110361574B/en
Publication of CN110361574A publication Critical patent/CN110361574A/en
Application granted granted Critical
Publication of CN110361574B publication Critical patent/CN110361574B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/12Arrangements of bearings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

The invention belongs to ammeter technical fields, specifically a kind of ammeter, including the first mounting plate, mounting hole, the second mounting plate, the first spring, guide rod, meter case, left shell, right shell body, limit groove seat, L-type plate, nut, the first link block, threaded rod, limit rectangular sleeve, dry bar shaped box, desiccant layer, strainer, control switch, transparent plastic sheet, elastic spacing bar, fixed round block, circle set, second spring, motion bar, third spring, round bar, rectangular block, casing, intubation, mini-fan, mounting rack and the second link block.The present invention passes through rotation limiting structure, plate and the mating reaction for limiting groove seat, it can provide limit, realize installation, carry out cancel limit when, only need to carry out elastic spacing bar press and the rotation of elastic spacing bar, contact elastic spacing bar with meter case, to the installation and removing for ammeter provide it is convenient, it is easy to operate, it is easy to use.

Description

A kind of ammeter
Technical field
The invention belongs to ammeter technical field, specifically a kind of ammeter.
Background technique
The abbreviation of electric energy meter, is the instrument for measuring electric energy, also known as kilowatt-hour meter, energy meter, electric energy meter, kilowatt-hour table, Refer to the instrument for measuring various electrical quantities;Each household is generally arranged one, and the ammeter in a building is generally located on together, and cell portion is logical Cross the storage that ammeter box carries out ammeter.
Existing ammeter generally when being installed, is fixed on it on metope by installing screw, when being dismounted, needs Removing and installing for screw is carried out, operating process is relatively complicated, and artificial labor intensity is larger, and disassembly and assembly time may be compared with It is long;And ammeter is mounted on the wall or ammeter box in, may be subjected to shock, buffer structure may be lacked, the impact being subject to can Can be larger, so as to will appear damage;And when weather is damp and hot, outside air enters inside ammeter, may be to internal member Part causes to damage.Therefore, a kind of ammeter is proposed regarding to the issue above.
Summary of the invention
The object of the invention is that providing a kind of ammeter to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of ammeter, including the first mounting plate, the second installation Plate, meter case and the L-type plate for being fixedly mounted on meter case side, first mounting plate and the second mounting plate pass through Elastic buffer structure connection, the side of second mounting plate are fixedly installed with limit groove seat, the limit groove seat and L-type plate Between be fitting to connection, be provided with rotation limiting structure, and rotation limiting structure bottom and meter case at the top of the meter case Top contact;
The inside of the meter case is fixedly installed with mini-fan, the bottom setting of the mini-fan by mounting rack There are several intubations, the intubation is connected to the inside of meter case, and cannula distal end is connect with drying structure, outside the ammeter Shell side is fixedly installed with limit rectangular sleeve, and the limit rectangular sleeve and drying structure are fitting to connection.
Preferably, the number of the elastic buffer structure is four, and four elastic buffer structure rectangular array distributions In the four corners of the first mounting plate, the elastic buffer structure is made of the first spring and guide rod, the first spring socket On guide rod surface, the both ends of first spring are affixed with the first mounting plate and the second mounting plate respectively, and the second mounting plate Surface is provided with through-hole, and the through-hole is slidably socketed with guide rod, and the guide rod and the first mounting plate side are vertical affixed.
Preferably, the geometry of first mounting plate is identical as the geometry of the second mounting plate, and the first installation The surface of plate open there are four rectangular array distribution mounting hole.
Preferably, the limit groove seat is U-shaped plate structure, and limits and form rectangle limit between groove seat and the second mounting plate Position slot.
Preferably, the meter case is made of left shell and right shell body, and the top and bottom of the left shell are fixed Second link block is installed, the top and bottom of the right shell body are fixedly installed with the first link block, first link block It is vertically connected with threaded rod, the threaded rod runs through the second link block, and threaded rod surface is threaded with nut.
Preferably, the rotation limiting structure includes elastic spacing bar and the circle for being fixedly mounted on elastic spacing bar side Bar, the end of the round bar are fixedly installed with rectangular block, and the round bar surface is socketed with third spring, and the both ends of third spring It is contacted respectively with elastic spacing bar and the second mounting plate, the two sides of second mounting plate have circular hole and rectangle Slot, and circular hole is connected to rectangular channel, clearance fit connects between the round bar and circular hole, embedding between the rectangular block and rectangular channel Close connection.
Preferably, the elastic spacing bar is constituted by fixing round block, circle set, second spring and motion bar, and described second Both ends of the spring is affixed with fixed round block and motion bar top respectively, and the fixed round block is fixedly mounted on the top of circle set, institute It states and is slidably socketed between motion bar top and circle set bottom end.
Preferably, the drying structure includes dry bar shaped box and strainer, the opening of the strainer and dry bar shaped box Place is fixed by screws, and the inside of dry bar shaped box is filled with desiccant layer, and the side of the dry bar shaped box is fixed Several casings are communicated with, and are socketed between casing and intubation.
Preferably, fixed be fitted into the side of the meter case is equipped with transparent plastic sheet, and transparent plastic sheet is rectangle Structure.
Preferably, fixed be fitted into the outer surface of the meter case is equipped with control switch, and control switch and miniature wind It is electrically connected between fan.
The beneficial effects of the present invention are:
(1) present invention is mounted in ammeter box, by rotation limiting structure, plate and limit groove seat mating reaction, Can provide limit, realize installation, when carrying out cancelling limit, need to only carry out elastic spacing bar press and elastic spacing bar Rotation, contact elastic spacing bar with meter case, thus for ammeter installation and removing provide it is convenient, It is easy to operate, it is easy to use;
(2) present invention can be to provide dry sky inside ammeter by the mating reaction of mini-fan and drying structure Ammeter internal heat dissipating and drying are realized in gas and blowing, are suitable for damp and hot weather, can be provided guarantor for the element inside ammeter Shield, and drying structure is entrenched in limit rectangular sleeve, is inserted in casing, limit is realized, consequently facilitating structure is dried Replacement, it is easy to use;
(3) ammeter box of the present invention is hit, and by the mating reaction of elastic spacing bar and elastic buffer structure, can be Ammeter provides buffering and reduces the damage being subject to so as to reduce the impact force that ammeter is subject to, and has protective effect, while elasticity Gag lever post provides blocking for meter case, avoids the occurrence of disengaging.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other attached drawings according to these attached drawings.
Fig. 1 is perspective view of the present invention;
Fig. 2 is overall structure of the present invention;
Fig. 3 is limiting slot holder structure schematic diagram of the present invention;
Fig. 4 is the dry bar shaped box structure schematic diagram of the present invention;
Fig. 5 is the dry bar shaped box positive structure schematic of the present invention;
Fig. 6 is desiccant layer of the present invention and dry bar shaped box structure schematic diagram;
Fig. 7 is the second mounting plate structure schematic diagram of the invention.
In figure: 1, first mounting plate, 101, mounting hole, the 2, second mounting plate, the 201, first spring, 202, guide rod, 3, Meter case, 301, left shell, 302, right shell body, 4, limit groove seat, 5, L-type plate, 6, nut, the 7, first link block, 8, spiral shell Rasp bar, 9, limit rectangular sleeve, 10, dry bar shaped box, 1001, desiccant layer, 11, strainer, 12, control switch, 13, transparent plastic Plate, 14, elastic spacing bar, 1401, fixed round block, 1402, circle set, 1403, second spring, 1404, motion bar, 15, third bullet Spring, 16, round bar, 1601, rectangular block, 17, casing, 18, intubation, 19, mini-fan, 20, mounting rack, the 21, second link block.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention Range.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
It please refers to shown in Fig. 1-7, a kind of ammeter, including the first mounting plate 1, the second mounting plate 2, meter case 3 and solid Dingan County is mounted in the L-type plate 5 of 3 side of meter case, and first mounting plate 1 and the second mounting plate 2 pass through elastic buffer structure Connection, the side of second mounting plate 2 is fixedly installed with limit groove seat 4, chimeric between the limit groove seat 4 and L-type plate 5 Connection, plays the role of suspension, is provided with rotation limiting structure at the top of the meter case 3, and rotation limiting structure bottom with It being contacted at the top of meter case 3, the electric elements inside meter case 3 are the prior art, Gu it is not described in detail;
The inside of the meter case 3 is fixedly installed with mini-fan 19 by mounting rack 20, the mini-fan 19 Bottom is provided with several intubations 18, and the intubation 18 is connected to the inside of meter case 3, and is intubated 18 ends and drying structure Connection, 3 side of meter case are fixedly installed with limit rectangular sleeve 9, and the limit rectangular sleeve 9 is chimeric with drying structure to be connected It connects, mini-fan 19 drives air-flow to be flowed, and realizes ventilation.
The number of the elastic buffer structure is four, and four elastic buffer structure rectangular arrays are distributed in the first peace The four corners of loading board 1, the elastic buffer structure are made of the first spring 201 and guide rod 202,201 sets of first spring It connecing on 202 surface of guide rod, the both ends of first spring 201 are affixed with the first mounting plate 1 and the second mounting plate 2 respectively, and Second mounting plate, 2 surface is provided with through-hole, and the through-hole is slidably socketed with guide rod 202, the guide rod 202 and the first mounting plate 1 side is vertically affixed, and limit is realized between guide rod 202 and through-hole, realizes bumper and absorbing shock by the first spring 201;Described The geometry of one mounting plate 1 is identical as the geometry of the second mounting plate 2, and the surface of the first mounting plate 1 is opened there are four being in Rectangular array distribution mounting hole 101, mounting hole 101 for be mounted on the wall in ammeter box;The limit groove seat 4 is U Type plate structure, and limit and form rectangle limiting slot between groove seat 4 and the second mounting plate 2, rectangle limiting slot is that L-type plate 5 mentions For insertion space, limit is provided;The meter case 3 is made of left shell 301 and right shell body 302, the top of the left shell 301 Portion and bottom are fixedly installed with the second link block 21, and the top and bottom of the right shell body 302 are fixedly installed with the first company Block 7 is connect, first link block 7 is vertically connected with threaded rod 8, and the threaded rod 8 runs through the second link block 21, and threaded rod 8 Surface is threaded with nut 6, forms meter case 3 between left shell 301 and right shell body 302, protects to internal element; The rotation limiting structure includes elastic spacing bar 14 and the round bar 16 for being fixedly mounted on 14 side of elastic spacing bar, the circle The end of bar 16 is fixedly installed with rectangular block 1601, and 16 surface of round bar is socketed with third spring 15, and third spring 15 Both ends are contacted with elastic spacing bar 14 and the second mounting plate 2 respectively, the two sides of second mounting plate 2 have circular hole with And rectangular channel, and circular hole is connected to rectangular channel, and clearance fit connects between the round bar 16 and circular hole, the rectangular block 1601 with It is fitting to connection between rectangular channel, third spring 15 is in compressive state, but not compression completely, provides pressure for elastic spacing bar 14 Power realizes limit so that rectangular block 1601 be made to be pressed in rectangular channel, can be right when carrying out pressing elastic spacing bar 14 manually Third spring 15 is further compressed, and rectangular block 1601 and rectangular channel are detached from, and can carry out elastic spacing bar about round bar 16 14 rotation, is adjusted, and when rectangular block 1601 is entrenched in rectangular channel, can be limited, avoid being rotated;The elasticity Gag lever post 14 is made of fixed round block 1401, circle set 1402, second spring 1403 and motion bar 1404, the second spring 1403 both ends are affixed with fixed round block 1401 and 1404 top of motion bar respectively, and the fixed round block 1401 is fixedly mounted on circle The top of set 1402,1404 top of motion bar and circle set are slidably socketed between 1402 bottom ends, and elastic spacing bar 14 passes through the Two springs 1403 can provide elasticity for motion bar 1404, provide limit for motion bar 1404;The drying structure includes dried strip The opening of shape box 10 and strainer 11, the strainer 11 and dry bar shaped box 10 is fixed by screws, and dry bar shaped The inside of box 10 is filled with desiccant layer 1001, and the side fixation of the dry bar shaped box 10 is communicated with several casings 17, and It is socketed between casing 17 and intubation 18, desiccant layer 1001 uses silica-gel desiccant, after filling, between silica gel desiccant beads It with gap, breathes freely, realizes passing through for air;Fixed be fitted into the side of the meter case 3 is equipped with transparent plastic sheet 13, and transparent plastic sheet 13 is rectangular configuration, and the observation of ammeter degree can be carried out through transparent plastic sheet 13;The meter case Fixed be fitted into 3 outer surface is equipped with control switch 12, and is electrically connected between control switch 12 and mini-fan 19, and control is opened Close 12 controls for being used for 19 power on/off of mini-fan.
In the use of the present invention, the electric elements occurred in the application external connection power supply when in use, passes through installation Hole 101 can be such that the first mounting plate 1 is mounted in ammeter box or on metope, carry out ammeter remove be repaired or replaced when, By pressing elastic spacing bar 14, third spring 15 is compressed, rectangular block 1601 leaves from rectangular channel, rotates elasticity limit Position bar 14, rotates it about round bar 16, rotates 180 °, then removes ammeter shell, L-type plate 5 is from limit groove seat 4 Extraction, completes to remove;When being installed, L-type plate 5 can be inserted into limit groove seat 4, press elastic spacing bar 14, it is right Third spring 15 is compressed, and rectangular block 1601 leaves from rectangular channel, rotates elastic spacing bar 14, rotates 180 °, motion bar 1404 with contacted at the top of meter case 3, limited;
When ammeter box is hit, buffering can be provided for overall structure by the first spring 201, meter case 3 is perpendicular For histogram to when beating, limit groove seat 4 and L-type plate 5 provide limit for it, are stopped by motion bar 1404, simultaneously Second spring 1403 is compressed, to realize buffering, reduces the impact being subject to, reduces the injury being subject to, distance of beating Smaller, electric wire reserves sufficient length, will not cause to pull to electric wire;
In hot weather humidity, mini-fan 19 is set to be powered by control switch 12, so that extraneous gas be made to enter In ammeter shell, enter when, be filtered by strainer 11, reduce the entrance of dust, then by desiccant layer 1001 into Row is dried, and reduces the entrance of moisture, so as to be protected to internal element, excessive air, from left shell 301 and the right side 302 junction of shell is discharged, and after drying structure uses 3-5 days, is replaced, by extracting dry bar shaped box out 10, dry bar shaped box 10 is separated with limit rectangular sleeve 9, and intubation 18 is separated with casing 17, and realization is removed, and is then rechanged newly Dry bar shaped box 10, completes replacement.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (10)

1. a kind of ammeter, it is characterised in that: including the first mounting plate (1), the second mounting plate (2), meter case (3) and fix It is slow by elasticity to be mounted on the L-type plate (5) of meter case (3) side, first mounting plate (1) and the second mounting plate (2) Structure connection is rushed, the side of second mounting plate (2) is fixedly installed with limit groove seat (4), the limit groove seat (4) and L-type Plate is fitting to connection between (5), is provided with rotation limiting structure, and rotation limiting structure bottom at the top of the meter case (3) It is contacted with meter case (3) top;
The inside of the meter case (3) is fixedly installed with mini-fan (19), the mini-fan by mounting rack (20) (19) bottom is provided with several intubations (18), and the intubation (18) is connected to the inside of meter case (3), and is intubated (18) End is connect with drying structure, and meter case (3) side is fixedly installed with limit rectangular sleeve (9), the limit rectangular sleeve (9) it is fitting to connection with drying structure.
2. a kind of ammeter according to claim 1, it is characterised in that: the number of the elastic buffer structure is four, and Four elastic buffer structure rectangular arrays are distributed in the four corners of the first mounting plate (1), and the elastic buffer structure is by first Spring (201) and guide rod (202) are constituted, and first spring (201) is socketed in guide rod (202) surface, first bullet The both ends of spring (201) are affixed with the first mounting plate (1) and the second mounting plate (2) respectively, and the second mounting plate (2) surface be provided with it is logical Hole, the through-hole are slidably socketed with guide rod (202), and the guide rod (202) is vertical with the first mounting plate (1) side affixed.
3. a kind of ammeter according to claim 1, it is characterised in that: the geometry of first mounting plate (1) and The geometry of two mounting plates (2) is identical, and the surface of the first mounting plate (1) open there are four rectangular array distribution mounting hole (101)。
4. a kind of ammeter according to claim 1, it is characterised in that: the limit groove seat (4) is U-shaped plate structure, and It limits and forms rectangle limiting slot between groove seat (4) and the second mounting plate (2).
5. a kind of ammeter according to claim 1, it is characterised in that: the meter case (3) is by left shell (301) and the right side Shell (302) is constituted, and the top and bottom of the left shell (301) are fixedly installed with the second link block (21), the right shell The top and bottom of body (302) are fixedly installed with the first link block (7), and first link block (7) is vertically connected with screw thread Bar (8), the threaded rod (8) runs through the second link block (21), and threaded rod (8) surface is threaded with nut (6).
6. a kind of ammeter according to claim 1, it is characterised in that: the rotation limiting structure includes elastic spacing bar (14) and it is fixedly mounted on the round bar (16) of elastic spacing bar (14) side, the end of the round bar (16) is fixedly installed with square Shape block (1601), round bar (16) surface are socketed with third spring (15), and the both ends of third spring (15) respectively with elasticity Gag lever post (14) and the second mounting plate (2) contact, the two sides of second mounting plate (2) have circular hole and rectangle Slot, and circular hole is connected to rectangular channel, clearance fit is connect between the round bar (16) and circular hole, the rectangular block (1601) and square It is fitting to connection between shape slot.
7. a kind of ammeter according to claim 6, it is characterised in that: the elastic spacing bar (14) is by fixed round block (1401), circle set (1402), second spring (1403) and motion bar (1404) are constituted, second spring (1403) both ends point Not affixed with fixed round block (1401) and motion bar (1404) top, the fixed round block (1401) is fixedly mounted on round set (1402) top is slidably socketed between motion bar (1404) top and circle set (1402) bottom end.
8. a kind of ammeter according to claim 1, it is characterised in that: the drying structure include dry bar shaped box (10) with And strainer (11), the strainer (11) and the opening of dry bar shaped box (10) are fixed by screws, and dry bar shaped box (10) inside is filled with desiccant layer (1001), and the side fixation of the dry bar shaped box (10) is communicated with several casings (17), it and between casing (17) and intubation (18) is socketed.
9. a kind of ammeter according to claim 1, it is characterised in that: the fixed chimeric peace in the side of the meter case (3) Equipped with transparent plastic sheet (13), and transparent plastic sheet (13) is rectangular configuration.
10. a kind of ammeter according to claim 1, it is characterised in that: the outer surface of the meter case (3) is fixed chimeric It is equipped with control switch (12), and is electrically connected between control switch (12) and mini-fan (19).
CN201910654891.5A 2019-07-19 2019-07-19 Electric meter Active CN110361574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910654891.5A CN110361574B (en) 2019-07-19 2019-07-19 Electric meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910654891.5A CN110361574B (en) 2019-07-19 2019-07-19 Electric meter

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Publication Number Publication Date
CN110361574A true CN110361574A (en) 2019-10-22
CN110361574B CN110361574B (en) 2021-07-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111031744A (en) * 2019-12-25 2020-04-17 烟台知兴知识产权咨询服务有限公司 Protective shell for electric power monitoring equipment convenient to installation
CN112433078A (en) * 2020-11-10 2021-03-02 莱西市亨元产业互联网中心 Electric meter
CN112505378A (en) * 2020-11-13 2021-03-16 深圳市其荣兴科技有限公司 Electronic type kilowatt-hour meter battery dismounting structure convenient for on-site maintenance and repair
CN112540206A (en) * 2020-11-26 2021-03-23 国网山东省电力公司平阴县供电公司 Ammeter mounting bracket

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CN204595044U (en) * 2015-05-27 2015-08-26 赵阳 A kind of easy-to-install electric metering box
CN207051367U (en) * 2017-08-18 2018-02-27 谢军 A kind of ammeter of install convenient
CN107843755A (en) * 2017-12-25 2018-03-27 江苏丽阳电子仪表有限公司 A kind of antitheft moistureproof ammeter
CN207424060U (en) * 2017-11-23 2018-05-29 深圳市广智达电气有限公司 A kind of mounting structure of ammeter
CN208172060U (en) * 2018-04-16 2018-11-30 河南正宇电气有限公司 Single-phase epitope batch meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030151886A1 (en) * 2002-02-12 2003-08-14 Kim Buhl System and method for retrofitting utility meter reading modules
CN204595044U (en) * 2015-05-27 2015-08-26 赵阳 A kind of easy-to-install electric metering box
CN207051367U (en) * 2017-08-18 2018-02-27 谢军 A kind of ammeter of install convenient
CN207424060U (en) * 2017-11-23 2018-05-29 深圳市广智达电气有限公司 A kind of mounting structure of ammeter
CN107843755A (en) * 2017-12-25 2018-03-27 江苏丽阳电子仪表有限公司 A kind of antitheft moistureproof ammeter
CN208172060U (en) * 2018-04-16 2018-11-30 河南正宇电气有限公司 Single-phase epitope batch meter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111031744A (en) * 2019-12-25 2020-04-17 烟台知兴知识产权咨询服务有限公司 Protective shell for electric power monitoring equipment convenient to installation
CN112433078A (en) * 2020-11-10 2021-03-02 莱西市亨元产业互联网中心 Electric meter
CN112433078B (en) * 2020-11-10 2021-05-25 宁夏隆基宁光仪表股份有限公司 Electric meter
CN112505378A (en) * 2020-11-13 2021-03-16 深圳市其荣兴科技有限公司 Electronic type kilowatt-hour meter battery dismounting structure convenient for on-site maintenance and repair
CN112505378B (en) * 2020-11-13 2022-12-16 深圳市其荣兴科技有限公司 Electronic type electric meter battery dismounting structure convenient for field maintenance and repair
CN112540206A (en) * 2020-11-26 2021-03-23 国网山东省电力公司平阴县供电公司 Ammeter mounting bracket
CN112540206B (en) * 2020-11-26 2022-06-17 国网山东省电力公司平阴县供电公司 Ammeter mounting bracket

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