CN107942112A - A kind of new electric energy meter - Google Patents
A kind of new electric energy meter Download PDFInfo
- Publication number
- CN107942112A CN107942112A CN201711381902.4A CN201711381902A CN107942112A CN 107942112 A CN107942112 A CN 107942112A CN 201711381902 A CN201711381902 A CN 201711381902A CN 107942112 A CN107942112 A CN 107942112A
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- electric energy
- energy meter
- fixing assembling
- face
- gauge stand
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to a kind of new electric energy meter, including take shape in first guide groove (7) of gauge stand (1) rear end face of electric energy meter；Including the second fixing assembling body (3) below first guide groove (7)；During assembling, the first guide groove (7) and extraneous guide rail top edge, the second fixing assembling body (3) are fixedly connected with extraneous guide rail lower edge difference snap-fitted, formation electric energy meter with extraneous guide rail.Relative to the prior art, electric energy meter of the invention is more firmly mounted, and simple in structure and easy to operate.
Description
Technical field
The present invention relates to electric energy meter field, more particularly to a kind of new electric energy meter.
Background technology
Electric energy meter because compact, precision height, good reliability, it is easy for installation the advantages that, industrial production life in use
It is more and more common.
Electric energy meter includes gauge stand, cover, terminal base and the transparent end cap being covered on terminal base.In order to realize fixation,
Metal sliding slot is designed in installation site in operating personnel's practical operation, design guide rail is corresponded at the gauge stand back side of electric energy meter, is led to
Cross guide rail and the suspension for realizing electric energy meter is engaged with metal sliding slot.
But this kind of structure only realizes the single fixation of guide rail and sliding slot, it is easy in practice because the original such as vibration
So that sliding slot comes off with guide rail, so that good fixation cannot be played,.Meanwhile at present in terminal base frequently with spiral shell
Nail fastened, and screw sizes design it is unreasonable, when often result in losss so that terminal line can not be tightened, so influence electric energy
Table works normally.
The content of the invention
In view of the above problems, there is dual fixation and electric energy simple in structure it is an object of the invention to provide a kind of
Table.
To achieve these goals, the technical solution adopted by the present invention is：A kind of new electric energy meter, including,
Take shape in the first guide groove of the gauge stand rear end face of electric energy meter；
It is characterized in that：
Further include the second fixing assembling body below first guide groove；
During assembling, the first guide groove blocks respectively with extraneous guide rail top edge, the second fixing assembling body and extraneous guide rail lower edge
Spiral-lock is matched somebody with somebody, and formation electric energy meter is fixedly connected with extraneous guide rail.
Further, the second fixing assembling body upper surface is in the inclined design towards gauge stand rear end face direction, and with
Leave gap between gauge stand rear end face, the inclined design guiding extraneous guide rail lower edge slips into real in the gap during assembling
Now it is buckled.The design of inclined plane, only needs to apply slightly smaller power when being easily installed and may be such that guide rail lower edge along inclined plane
Direction is slipped into gap, realizes the clamping between guide rail and the second fixing assembling body, convenient and simple；The structure can prevent guide rail at the same time
Edge comes off from link position, realizes fastening assembling.
Further, the top half of the gauge stand rear end face is step-like to be formed higher than the latter half, the first half
Point it is downwardly extending extension, the extension step-like encloses first guide groove with described；Described second fixes dress
Ligand and the gauge stand rear end face snap-fitted.First guide groove is hung on guide rail, and be buckled and fill in design downwards easy to ammeter
With fixing assembling body and gauge stand detachable connection is caused, consequently facilitating operator carries out mounting means according to actual needs.
Further, the gauge stand rear end face is equipped with sliding slot, and at least one hole is set between the sliding slot；
The second fixing assembling body is equipped with and the matched elastic pillar at least one hole；
The second fixing assembling body is along the motion process of the sliding slot direction, and the elasticity pillar is in the presence of a tensile force
Corresponding aperture is buckled into form the snap-fitted of the second fixing assembling body and gauge stand.The Guidance Design of sliding groove structure, pillar and hole
Cooperation is buckled into, can effectively realize snapping connection for the second assembly and gauge stand, and this kind of assembling structure is firm.
Further, the edge of the second fixing assembling body extends inwardly to form elastic handle, and the elasticity pillar is formed
In the end of the elastic handle.This kind design can occur in the second fixing assembling body sliding process with the change of stress
Deformation, and when the hole on gauge stand is run into, buckle into wherein, the fastening for cleverly realizing the second fixing assembling body and electric energy meter is matched somebody with somebody
Close.
Further, the one side of the second fixing assembling body towards the cover is inwardly formed groove, the edge of the groove
Elastic handle is extended inwardly to form, the elasticity pillar is formed at the end of the elastic handle.
Further, the second fixing assembling body is frame-type structure, and upper side frame is in inclining towards gauge stand rear end face direction
Tiltedly design, the elasticity handle are extended inwardly to form by both sides frame.Second fixing assembling body is designed to the locking mechanism of frame-type,
And elastic pillar is formed on elastic handle, the lock of the second fixing assembling body and electric energy meter can be preferably realized by elastic pillar
Tight knot is closed.
Further, the sliding slot includes taking shape in the two of the gauge stand rear end face the first facade being arranged in parallel, shaping
In the second extended surface being oppositely arranged in the top of two first facades and horizontal direction.So it is solid to can effectively prevent second for design
Determine assembly and skid off sliding slot because of the reason such as overexert during the buckle, play the work for limiting the movement of the second fixing assembling body
With raising efficiency of assembling.
Further, the both sides frame upper end is also formed with the second frame, and the lateral surface of second frame is in assembling
During contact the medial surface of second extended surface.Second frame is designed, can further control the second fixing assembling body to exist
Do not shift in assembling process, improve efficiency of assembling.
Further, the plane domain height that the sliding slot encloses is more lower slightly than the height of the cover rear end face, to be formed
Step.Step is set to provide original elasticity triggering for elastic because of difference in height when the second fixing assembling body is assembled
Power, so that accurately fallen into corresponding hole beneficial to the elastic later stage, and when the second fixing assembling body is skidded off from sliding slot
The speed that the second fixing assembling body skids off can be efficiently controlled, prevents from asking because the artificial caused electric energy meter that overexerts comes off
Topic.
Further, the electric energy meter further includes the terminal base for taking shape in the gauge stand front end face；In the terminal base
The head diameter of screw is more than the housing hole diameter of terminal base.It so can effectively prevent the problem of screw drops from housing.
Further, the terminal base includes end of incoming cables stroma above and positioned at the inlet wire end seat back lower place
Leading-out terminal stroma, the end of incoming cables stroma and the stepped arrangement of leading-out terminal stroma, the font inclined design of the two intersection.Will
The inclined design of font so that mould structure is simpler, so as to save production cost.
Compared with prior art, the advantage of the invention is that：Bullet is formed in the one side of the second fixing assembling body towards cover
Property handle, and form elastic in the end of elastic handle, blind hole be set in the sliding slot of cover, and the second fixing assembling body is real with sliding slot
In existing assembling process, elastic stress deforms upon, and is buckled into when running into corresponding blind hole in the blind hole, passes through the knot of the two
Being fixedly connected for electric energy meter and mounting surface such as wall can effectively be realized by closing；And the head diameter of screw is more than the housing bore of terminal base
Footpath, can prevent screw from dropping from hole, influence the work of electric energy meter；The font of end of incoming cables stroma and the intersection of leading-out terminal stroma
Inclined design, can simplify mould structure, so as to reduce production cost, improve efficiency.
Brief description of the drawings
Fig. 1 is the electric energy meter rear end face structure diagram of the embodiment of the present invention；
Fig. 2 is the sliding slot of the embodiment of the present invention and the explosive view of the second fixing assembling body.
Fig. 3 is the terminal base structure figure of the embodiment of the present invention；
Fig. 4 is the terminal base partial exploded view of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
As shown in Figs. 1-2, electric energy meter of the invention includes taking shape in the first guide groove 7 of 1 rear end face of gauge stand, is led positioned at first
Second fixing assembling body 3 of the lower section of groove 7, the top half 11 of 1 rear end face of gauge stand are higher than the latter half 12, form step
Shape, the top half 11 are downwardly extending extension 13, and first guide groove 7 is i.e. by the extension 13 and described step-like
It is enclosed；The upper surface of the second fixing assembling body 3 be in towards 1 rear end face direction of gauge stand inclined design, and with gauge stand 1
Leave gap between rear end face, during assembling, the top edge of extraneous guide rail is caught in the first guide groove 7, and the lower edge of extraneous guide rail then exists
Slipped under the guiding of inclined design in the gap, so as to fulfill being fixedly connected for electric energy meter and guide rail.This kind of structure relative to
The guide groove on electric energy meter is relied solely in the past with that for guide rail socket, can prevent guiding edge from coming off from link position, so that
Realize fastening assembling, and when design of inclined plane is easily installed, only needs to apply that slightly smaller power is i.e. achievable to assemble, it is convenient and simple.
The electric energy meter further includes the sliding slot 2 positioned at 1 rear end face of gauge stand, and the second fixing assembling body 3 is transported along the direction of sliding slot 2
Dynamic, realization is snapped connection with gauge stand 1, and snap-fitted causes fixing assembling body and gauge stand detachable connection, consequently facilitating behaviour
Author carries out mounting means according to actual needs.
Specifically, at least one hole 21 is set between the sliding slot 2；On the second fixing assembling body 3 set with it is described extremely
Few matched elastic pillar 31 in a hole 21, the elasticity pillar 31 is in the second fixing assembling body 3 and 2 snap-fitted of sliding slot
During, buckled under the action of elastic force in the hole 21.
As a modification of the present invention, the edge of the second fixing assembling body 3 extends inwardly to form elastic handle 32, institute
State the end that elastic pillar 31 is formed at the elastic handle 32.
It is of course also possible to there is such design：The one side of second fixing assembling body 3 towards the cover 1 is inwardly formed
Groove, extends inwardly to form elastic handle 32, the elasticity pillar 31 is formed at the end of the elastic handle 32 by the edge of the groove
End.
Specifically, can be that the second fixing assembling body 3 is frame-type structure, as shown in Figs. 1-2, the frame-type structure it is upper
Frame 38 is in towards 1 rear end face direction inclined design of gauge stand, and the elasticity handle 32 is by the frame 33 that is contacted with 2 inner wall of sliding slot
Extend inwardly to form, which is the end for being formed at the elastic handle 32.Second fixing assembling body is designed to frame-type
Locking mechanism, and elastic pillar is formed on elastic handle, so preferably can realize that the second fixation fills by elastic pillar
Ligand is combined with the locking of guide rail.
It is described in order to effectively prevent the second fixing assembling body from because of the reason such as overexert skidding off sliding slot during the buckle
Sliding slot 2 uses following design, i.e. the sliding slot 2 includes two the first facades being arranged in parallel for taking shape in 1 rear end face of gauge stand
22nd, the second extended surface 23 being oppositely arranged is taken shape in the top of two first facades 22 and horizontal direction, so passes through second
Extended surface 23 can limit the second fixing assembling body and skid off sliding slot, so as to improve efficiency of assembling.
In order to further control the second fixing assembling body not shift in assembling process, efficiency of assembling is improved, as
The improvement of the present invention, 33 upper end of frame contacted with 2 inner wall of sliding slot in the second fixing assembling body 3 are also formed with second
Frame 34, the lateral surface of second frame 34 contact the medial surface of second extended surface 23 in assembling process.Pass through two
A face contacts with each other, the effect of offseting, and can effectively prevent the offset of the second fixing assembling body.
As an improvement, the plane domain that the sliding slot 2 in the present invention encloses is highly than the height of 2 rear end face of cover
It is lower slightly, to form step 4.Speed when so can effectively control the second fixing assembling body to be skidded off from sliding slot by setting step
Degree, prevents the problem because the artificial caused electric energy meter that overexerts comes off.
In the present embodiment, which is extended to form respectively inwards by two relative edge's frames of the second fixing assembling body 3,
It is corresponding, two blind holes 21 of corresponding design in sliding slot region.During assembling, the both sides of the frame 33 of the second fixing assembling body
Offset into sliding slot 2, and with two inner walls of the first facade 22, the upper surface of the frame 33 is kept out by the second extended surface 23, together
When, the lateral surface of the second frame 34 is in contact with the medial surface of the second extended surface 23, so as to limit the second fixing assembling body jointly
Movement, prevent it from shifting.While the second fixing assembling body moves, elastic handle 32 and elastic 31 are also with together
Movement, and elastic trigger force is produced under the action of step 4, consequently facilitating the later stage is accurately fallen into corresponding blind hole, once
After corresponding elastic is fallen into corresponding blind hole, that is, complete being fixedly connected for electric energy meter and the second fixing assembling body, this kind
Although assembling structure is simple, there is good fixed effect；When the second fixing assembling body is skidded off from sliding slot, step energy
The speed that effectively the second fixing assembling body of control is skidded off from sliding slot, prevents because the artificial caused electric energy meter that overexerts comes off
Problem.
Another aspect of the present invention, which improves, to be, as shown in Figure 3-4, the electric energy meter, which further includes, takes shape in the gauge stand 1
The terminal base 5 of front end face；61 diameter of nut of screw 6 in the terminal base 5 is more than 51 diameter of housing hole of terminal base 5.So
The benefit of design is to can effectively prevent screw to drop from housing.
It is furthermore preferred that the terminal base 5 includes end of incoming cables stroma 52 above and after the inlet wire end seat 52
The leading-out terminal stroma 53 of lower section, the end of incoming cables stroma 52 and the 53 stepped arrangement of leading-out terminal stroma, the word of the two intersection
Body inclined design.So can be in injection molding so that mould structure is simpler, so as to save production cost, improves production
Efficiency.
The present invention in the one side of the second fixing assembling body towards cover by forming elastic handle, and in the end shape of elastic handle
Into elastic, blind hole is set in the sliding slot of cover, the second fixing assembling body is realized in assembling process with sliding slot, elastic stress
Deform upon, buckled into when running into corresponding blind hole in the blind hole, electric energy meter and installation can effectively be realized by the combination of the two
Face such as wall is fixedly connected；And the head diameter of screw is more than the housing aperture of terminal base, it can prevent that screw from dropping from hole,
Influence the work of electric energy meter；The inclined design of font of end of incoming cables stroma and the intersection of leading-out terminal stroma, can simplify mould knot
Structure, so as to reduce production cost, improves efficiency.
In addition to above-mentioned improvement, other similar improvement are also contained in the improvement threshold of the present invention, are not just existed herein
Repeat.Although an embodiment of the present invention has been shown and described, it will be appreciated by those skilled in the art that：The present invention is not being departed from
Principle and objective in the case of can to these embodiments carry out it is a variety of change, modification, replace and deformation, the scope of the present invention
Limited by claim and its equivalent.
Claims (13)
1. a kind of new electric energy meter, including,
Take shape in first guide groove (7) of gauge stand (1) rear end face of electric energy meter；
It is characterized in that：
Further include the second fixing assembling body (3) below first guide groove (7)；
During assembling, the first guide groove (7) is distinguished with extraneous guide rail top edge, the second fixing assembling body (3) and extraneous guide rail lower edge
Snap-fitted, formation electric energy meter are fixedly connected with extraneous guide rail.
2. new electric energy meter according to claim 1, it is characterised in that：
Second fixing assembling body (3) upper surface be in towards gauge stand (1) rear end face direction inclined design, and with gauge stand (1)
Leave gap between rear end face, the inclined design guiding extraneous guide rail lower edge, which slips into, during assembling realizes in the gap in and block
Button.
3. new electric energy meter according to claim 1 or 2, it is characterised in that：
The top half (11) of gauge stand (1) rear end face is step-like to be formed higher than the latter half (12), the top half
(11) it is downwardly extending extension (13), the extension (13) step-like encloses first guide groove (7) with described；Institute
State the second fixing assembling body (3) and the gauge stand (1) rear end face snap-fitted.
4. new electric energy meter according to claim 3, it is characterised in that：
Gauge stand (1) rear end face is equipped with sliding slot (2), and at least one hole (21) is set between the sliding slot (2)；
The second fixing assembling body (3) is equipped with and the matched elastic pillar (31) of at least one hole (21)；
The second fixing assembling body (3) is along the motion process of the sliding slot (2) direction, and the elasticity pillar (31) is in elastic force
Buckled under effect in corresponding aperture to form the snap-fitted of the second fixing assembling body (3) and gauge stand (1).
5. electric energy meter according to claim 4, it is characterised in that：
The edge of the second fixing assembling body (3) extends inwardly to form elastic handle (32), and the elasticity pillar (31) is formed at
The end of the elasticity handle (32).
6. electric energy meter according to claim 4, it is characterised in that：
The one side of second fixing assembling body (3) towards the cover (1) is inwardly formed groove, and the edge of the groove extends internally
Elastic handle (32) is formed, the elasticity pillar (31) is formed at the end of the elastic handle (32).
7. electric energy meter according to claim 4, it is characterised in that：
The second fixing assembling body (3) is frame-type structure, and the upper side frame (38) of the frame-type structure is in towards gauge stand (1) rear end
The inclined design in face direction, the elasticity handle (32) are extended inwardly to form by the frame (33) contacted with the sliding slot (2) inner wall.
8. electric energy meter according to claim 4, it is characterised in that：
The sliding slot (2) includes taking shape in the two of the gauge stand (1) rear end face the first facade (22) being arranged in parallel, taking shape in two
The second extended surface (23) being oppositely arranged in the top of first facade (22) and horizontal direction.
9. electric energy meter according to claim 7, it is characterised in that：
The sliding slot (2) includes taking shape in the two of the gauge stand (1) rear end face the first facade (22) being arranged in parallel, taking shape in two
The second extended surface (23) being oppositely arranged in the top of first facade (22) and horizontal direction.
10. electric energy meter according to claim 9, it is characterised in that：
Frame (33) upper end contacted with the sliding slot (2) inner wall is also formed with the second frame (34), second frame (34)
Lateral surface the medial surface of second extended surface (23) is contacted in assembling process.
11. electric energy meter according to claim 4, it is characterised in that：
The plane domain height that the sliding slot (2) encloses is more lower slightly than the height of the cover (1) rear end face, to form step (4).
12. electric energy meter according to claim 1, it is characterised in that：
The electric energy meter further includes the terminal base (5) for taking shape in the gauge stand (1) front end face；Screw in the terminal base (5)
(6) nut (61) diameter is more than housing hole (51) diameter of terminal base (5).
13. electric energy meter according to claim 12, it is characterised in that：
The terminal base (5) includes end of incoming cables stroma (52) above and going out positioned at inlet wire end seat (52) back lower place
Line end stroma (53), the end of incoming cables stroma (52) and leading-out terminal stroma (53) stepped arrangement, the font of the two intersection
Inclined design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381902.4A CN107942112A (en) | 2017-12-20 | 2017-12-20 | A kind of new electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381902.4A CN107942112A (en) | 2017-12-20 | 2017-12-20 | A kind of new electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107942112A true CN107942112A (en) | 2018-04-20 |
Family
ID=61942030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381902.4A Pending CN107942112A (en) | 2017-12-20 | 2017-12-20 | A kind of new electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107942112A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057699U (en) * | 2011-04-18 | 2011-11-30 | 中国电力科学研究院 | Housing of intelligent electric energy meter for single-phase local cost control |
| CN202434610U (en) * | 2011-12-28 | 2012-09-12 | 重庆长安汽车股份有限公司 | Copper bar assembly |
| CN104034931A (en) * | 2014-07-03 | 2014-09-10 | 深圳深宝电器仪表有限公司 | Junction device for electric energy meter |
| CN203871666U (en) * | 2014-06-11 | 2014-10-08 | 重庆莱格特电气有限公司 | Electric energy meter of low-voltage power distribution cabinet |
| CN204142789U (en) * | 2013-12-26 | 2015-02-04 | 浙江永阳科技有限公司 | Guide rail type electrical energy meter |
| CN104517365A (en) * | 2013-09-26 | 2015-04-15 | 江苏安科瑞电器制造有限公司 | Guide rail type three-phase prepayment electric energy meter |
| CN204679536U (en) * | 2015-04-29 | 2015-09-30 | 乐清市启程电气有限公司 | A kind of 2p single-phase guide rail type electrical energy meter |
| CN204679532U (en) * | 2015-04-29 | 2015-09-30 | 乐清市启程电气有限公司 | A kind of 4p single-phase guide rail type electrical energy meter |
| CN206146977U (en) * | 2016-08-31 | 2017-05-03 | 南京天溯自动化控制系统有限公司 | Guide tracked electric energy meter structure for direct access inserts altogether with indirect |
| CN208000332U (en) * | 2017-12-20 | 2018-10-23 | 宁波三星医疗电气股份有限公司 | A kind of novel electric energy meter |
-
2017
- 2017-12-20 CN CN201711381902.4A patent/CN107942112A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057699U (en) * | 2011-04-18 | 2011-11-30 | 中国电力科学研究院 | Housing of intelligent electric energy meter for single-phase local cost control |
| CN202434610U (en) * | 2011-12-28 | 2012-09-12 | 重庆长安汽车股份有限公司 | Copper bar assembly |
| CN104517365A (en) * | 2013-09-26 | 2015-04-15 | 江苏安科瑞电器制造有限公司 | Guide rail type three-phase prepayment electric energy meter |
| CN204142789U (en) * | 2013-12-26 | 2015-02-04 | 浙江永阳科技有限公司 | Guide rail type electrical energy meter |
| CN203871666U (en) * | 2014-06-11 | 2014-10-08 | 重庆莱格特电气有限公司 | Electric energy meter of low-voltage power distribution cabinet |
| CN104034931A (en) * | 2014-07-03 | 2014-09-10 | 深圳深宝电器仪表有限公司 | Junction device for electric energy meter |
| CN204679536U (en) * | 2015-04-29 | 2015-09-30 | 乐清市启程电气有限公司 | A kind of 2p single-phase guide rail type electrical energy meter |
| CN204679532U (en) * | 2015-04-29 | 2015-09-30 | 乐清市启程电气有限公司 | A kind of 4p single-phase guide rail type electrical energy meter |
| CN206146977U (en) * | 2016-08-31 | 2017-05-03 | 南京天溯自动化控制系统有限公司 | Guide tracked electric energy meter structure for direct access inserts altogether with indirect |
| CN208000332U (en) * | 2017-12-20 | 2018-10-23 | 宁波三星医疗电气股份有限公司 | A kind of novel electric energy meter |
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