CN203871666U - Electric energy meter of low-voltage power distribution cabinet - Google Patents
Electric energy meter of low-voltage power distribution cabinet Download PDFInfo
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- CN203871666U CN203871666U CN201420308451.7U CN201420308451U CN203871666U CN 203871666 U CN203871666 U CN 203871666U CN 201420308451 U CN201420308451 U CN 201420308451U CN 203871666 U CN203871666 U CN 203871666U
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- electric energy
- energy meter
- distribution cabinet
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Abstract
The utility model discloses an electric energy meter of a low-voltage power distribution cabinet. The electric energy meter comprises a housing and is characterized in that the backside of the housing is provided with a clamping mechanism including a rectangular vertical plane of the housing backside; the rectangular vertical plane is parallelly provided with a pair of horizontal bar-shaped bosses; two ends of the upper surface of the lower boss are respectively provided with a gap lug for inserting a guide rail between the corresponding end and the rectangular vertical plane; two sides of the upper boss are respectively provided with a vertical clamping slot; the clamping mechanism also contains two frame-shaped sliding block member with an elastic arm respectively fixed to the inner side surface; the elastic arms are parallel to the rectangular vertical plane and extend slantingly upwards, and an upper end has a convex column which extends towards the bottom of the clamping slot and is fixed to the bottom of the clamping slot; and the lower surface of the sliding block member has a raised strip which extends downwards out of the clamping slot; and a chute is formed between the raised strip and the lug. The electric energy meter has a simple and reasonable structure, can realize higher installation efficiency and is suitable for being popularized and used in a low-voltage power distribution cabinet.
Description
Technical field
The utility model belongs to electric equipment field, is specifically related to a kind of low-voltage distribution cabinet electric energy meter.
Background technology
The Main Function of switch cubicle (switchgear) is in the process of generating, transmission of electricity, distribution and electric energy conversion in electric power system; carry out folding, control and protection power consumption equipment, it is applicable to the various different occasions such as power plant, transformer station, industrial enterprise and residential quarters.In switch cubicle, be typically provided with circuit breaker (or isolating switch or on-load switch), operating mechanism, instrument transformer and various protective devices etc.At present, for the sorting technique of switch cubicle, have a variety of, as being divided into withdraw-type switch cabinet and fixed switching cabinet by circuit breaker mounting means; According to the difference of cabinet body structure, can be divided into metal closed switch cabinet and metal enclosed armoured switch cabinet; According to electric pressure difference, can be divided into high-tension switch cabinet again, Medium Voltage Switchgear and low-voltage distribution cabinet etc.
Wherein, low-voltage distribution cabinet is used for exchanging 50Hz, the distribution system of rated voltage 380v as power, the electric energy conversion of illumination and distribution and the use of control.Meanwhile, also because of low-voltage distribution cabinet, to have breaking capacity strong, and dynamic thermal stability is good, and electric scheme is flexible, and the advantage of combined and instant, therefore be widely adopted in various power supply occasions.On the door-plate of low-voltage distribution cabinet, be equiped with electric energy meter and gather parameters of electric power.
At present, the electric energy meter of prior art in low-voltage distribution fixed form is cashier's office in a shop: on the door-plate at power distribution cabinet, offer the perforate that the display surface for electric energy meter front portion exposes and (take the side that has control button and show data surface on electric energy meter before electric energy meter, lower same), and the back of this electric energy meter has inserts solid chute on guide rail, and first guide rail is passed to chute, again chute is laterally fixed on subsequently to low-voltage distribution mode cashier's office in a shop and electric energy meter is installed fixing.But the installation of this existing electric energy meter is fixed up comparatively loaded down with trivial details, limited the lifting of electric energy meter installation effectiveness.
Therefore applicant considers to design a kind of low-voltage distribution cabinet electric energy meter, so as to realizing higher installation effectiveness.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of simple and reasonable, can realize the low-voltage distribution cabinet electric energy meter of higher installation effectiveness.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A low-voltage distribution cabinet electric energy meter, comprises housing, and the back of described housing has for being fixed on the chute on guide rail;
It is characterized in that: the back of described housing is provided with clamping mechanism, described clamping mechanism comprises the rectangle perpendicular that described housing back has, the upper and lower of described rectangle perpendicular is respectively provided with the boss of a horizontal bar shaped, and the distance between two boss equates with the width of guide rail;
Wherein, be positioned at the projection that on the upper surface of boss of bottom, both ends are provided with respectively an epirelief, between described projection and described rectangle perpendicular, leave the gap of inserting for guide rail;
Both sides along bar shaped direction on superposed boss are respectively arranged with a vertical buckling groove,
Described clamping mechanism also comprises two slide block parts that are arranged at described buckling groove; Described slide block part integral body is frame type and on the medial surface of this slide block part, is fixedly installed an elastic arm, described elastic arm is parallel to described rectangle perpendicular and extends obliquely, and the upper end of described elastic arm has to described buckling groove bottom direction extends and runs through the projection being fixed on bottom this buckling groove; Edge away from described rectangle perpendicular on the lower surface of described slide block part has the raised line that extends described buckling groove downwards;
Between described raised line and projection, form described chute and can under the elastic force effect of described elastic arm, described guide rail be clamped.
In the utility model low-voltage distribution cabinet electric energy meter, take its operation display surface place face as anterior, two boss in its clamping mechanism, not only can assist formation chute, can also strengthen the structural strength at the housing back of this electric energy meter, can better prevent that the shell that collision causes from damaging.When this low-voltage distribution cabinet electric energy meter is used, without first guide rail being inserted in chute and chute is fixed again, what replace is: can first to guide rail, be fixed, subsequently by lift slide block part on bring in and allow guide rail fall between two boss after, decontrol again slide block part, can under the elastic force effect of elastic arm, described guide rail be clamped.Visible, when the utility model electric energy meter is installed, can be in advance fixed guide separately, rapidly electric energy meter is being fixed on guide rail subsequently, thereby is greatly improving the installation effectiveness of electric energy meter, especially the in the situation that of multiaspect low-voltage distribution cabinet, can take the operation of pipeline system, first by a people, fix guide rail, another people fixes fast electric energy meter again on guide rail, and the lifting of installation effectiveness more manifests.Meanwhile, this low-voltage distribution cabinet electric energy meter is for the fixing structure of Fast Installation also advantages of simple comparatively, guaranteeing surely also can to reduce manufacturing cost by fixing, has good comprehensive benefit.
As improvement, between the medial surface of described slide block part, be provided with a cross bar, described cross bar closes on the upper end of described slide block part.
Like this, the setting of cross bar, can be convenient to that the application of force is carried out in the upper end of slide block part and lift, thereby improves the handling to slide block part.
As improvement, described raised line and projection are for shifting to install.
Like this, because of when raised line and projection are when being oppositely arranged, the gravity of electric energy meter is comparatively concentrated (pressing force when electric energy meter operating surface is operated also) on guide rail, easily causes the distortion of guide rail, and then affects the firm effect of electric energy meter.Raised line and projection are to shift to install the generation that can avoid above-mentioned situation, make electric energy meter have the fixed effect of lasting stability.
Compared to prior art, the utility model low-voltage distribution cabinet electric energy meter, has simple and reasonable advantage, can realize higher installation effectiveness, is adapted at low-voltage distribution and cashier's office in a shop promotes the use of.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model low-voltage distribution cabinet electric energy meter.
Fig. 2 is the rearview of the utility model low-voltage distribution cabinet electric energy meter.
Fig. 3 is the perspective view of the slide block part of the utility model low-voltage distribution cabinet electric energy meter clamping mechanism.
Fig. 4 is the left view of the slide block part of the utility model low-voltage distribution cabinet electric energy meter clamping mechanism.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
During concrete enforcement: as shown in Figures 1 to 4, a kind of low-voltage distribution cabinet electric energy meter, comprises housing, and the back of described housing has for being fixed on the chute on guide rail;
The back of described housing is provided with clamping mechanism, described clamping mechanism comprises the rectangle perpendicular 1 that described housing back has, the distance that the upper and lower of described rectangle perpendicular 1 is respectively provided with between 2, two boss 2 of boss of a horizontal bar shaped equates with the width of guide rail;
Wherein, be positioned at the projection 3 that on the upper surface of boss 2 of bottom, both ends are provided with respectively an epirelief, between described projection 3 and described rectangle perpendicular 1, leave the gap of inserting for guide rail;
Both sides along bar shaped direction on superposed boss 2 are respectively arranged with a vertical buckling groove,
Described clamping mechanism also comprises two slide block parts 4 that are arranged at described buckling groove; Described slide block part 4 integral body are frame type and on the medial surface of this slide block part 4, are fixedly installed an elastic arm 41, described elastic arm 41 is parallel to described rectangle perpendicular 1 and extends obliquely, and the upper end of described elastic arm 41 has to described buckling groove bottom direction extends and runs through the projection 42 being fixed on bottom this buckling groove; Edge away from described rectangle perpendicular 1 on the lower surface of described slide block part 4 has the raised line 43 that extends described buckling groove downwards;
Between described raised line 43 and projection 3, form described chute and can under the elastic force effect of described elastic arm 41, described guide rail be clamped.
In the low-voltage distribution cabinet electric energy meter that this embodiment relates to, take its operation display surface place face as anterior, two boss 2 in its clamping mechanism, not only can assist formation chute, can also strengthen the structural strength at the housing back of this electric energy meter, can better prevent that the shell that collision causes from damaging.When this low-voltage distribution cabinet electric energy meter is used, without first guide rail being inserted in chute and chute is fixed again, what replace is: can first to guide rail, be fixed, subsequently by lift slide block part 4 on bring in and allow guide rail fall between two boss 2 after, decontrol again slide block part 4, can under the elastic force effect of elastic arm 41, described guide rail be clamped.Visible, when the utility model electric energy meter is installed, can be in advance fixed guide separately, rapidly electric energy meter is being fixed on guide rail subsequently, thereby is greatly improving the installation effectiveness of electric energy meter, especially the in the situation that of multiaspect low-voltage distribution cabinet, can take the operation of pipeline system, first by a people, fix guide rail, another people fixes fast electric energy meter again on guide rail, and the lifting of installation effectiveness more manifests.Meanwhile, this low-voltage distribution cabinet electric energy meter is for the fixing structure of Fast Installation also advantages of simple comparatively, guaranteeing surely also can to reduce manufacturing cost by fixing, has good comprehensive benefit.During concrete enforcement, described boss 2 can consist of a circle exterior wall 21 and the decussation partition wall 22 that is positioned at enclosure wall, so, not only can save the materials of boss 2, can also guarantee that boss 2 has required structural strength.
Between the medial surface of described slide block part 4, be provided with a cross bar 44, described cross bar 44 closes on the upper end of described slide block part 4.Like this, the setting of cross bar 44, can be convenient to that the application of force is carried out in the upper end of slide block part 4 and lift, thereby improves the handling to slide block part 4.
Described raised line 43 and projection 3 are for shifting to install.Like this, because of when raised line 43 and projection 3 are when being oppositely arranged, the gravity of electric energy meter is comparatively concentrated (pressing force when electric energy meter operating surface is operated also) on guide rail, easily causes the distortion of guide rail, and then affects the firm effect of electric energy meter.Raised line 43 and projection 3, for to shift to install the generation that can avoid above-mentioned situation, make electric energy meter have the fixed effect of lasting stability.During concrete enforcement, preferably two raised lines 43, between two projections 3, are not only beneficial to installation personnel slide block part 4 are operated, and also because having increased the thickness of buckling groove cell wall, thereby guarantee the intensity of buckling groove structure.
During concrete enforcement, on the basis of technique scheme, can also further improve, for example, projection 3 is arranged on the boss 2 on top, buckling groove is arranged on the boss 2 of bottom, can realize goal of the invention of the present utility model equally like this.Above-mentioned improved technical scheme should be considered as falling into the claimed scope of the application equally.
Claims (3)
1. a low-voltage distribution cabinet electric energy meter, comprises housing, and the back of described housing has for being fixed on the chute on guide rail;
It is characterized in that: the back of described housing is provided with clamping mechanism, described clamping mechanism comprises the rectangle perpendicular that described housing back has, the upper and lower of described rectangle perpendicular is respectively provided with the boss of a horizontal bar shaped, and the distance between two boss equates with the width of guide rail;
Wherein, be positioned at the projection that on the upper surface of boss of bottom, both ends are provided with respectively an epirelief, between described projection and described rectangle perpendicular, leave the gap of inserting for guide rail;
Both sides along bar shaped direction on superposed boss are respectively arranged with a vertical buckling groove,
Described clamping mechanism also comprises two slide block parts that are arranged at described buckling groove; Described slide block part integral body is frame type and on the medial surface of this slide block part, is fixedly installed an elastic arm, described elastic arm is parallel to described rectangle perpendicular and extends obliquely, and the upper end of described elastic arm has to described buckling groove bottom direction extends and runs through the projection being fixed on bottom this buckling groove; Edge away from described rectangle perpendicular on the lower surface of described slide block part has the raised line that extends described buckling groove downwards;
Between described raised line and projection, form described chute and can under the elastic force effect of described elastic arm, described guide rail be clamped.
2. according to right low-voltage distribution cabinet electric energy meter claimed in claim 1, it is characterized in that: between the medial surface of described slide block part, be provided with a cross bar, described cross bar closes on the upper end of described slide block part.
3. according to the low-voltage distribution cabinet electric energy meter described in right claim 1 or 2, it is characterized in that: described raised line and projection are for shifting to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308451.7U CN203871666U (en) | 2014-06-11 | 2014-06-11 | Electric energy meter of low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308451.7U CN203871666U (en) | 2014-06-11 | 2014-06-11 | Electric energy meter of low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871666U true CN203871666U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308451.7U Expired - Fee Related CN203871666U (en) | 2014-06-11 | 2014-06-11 | Electric energy meter of low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN203871666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942112A (en) * | 2017-12-20 | 2018-04-20 | 宁波三星医疗电气股份有限公司 | A kind of new electric energy meter |
-
2014
- 2014-06-11 CN CN201420308451.7U patent/CN203871666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942112A (en) * | 2017-12-20 | 2018-04-20 | 宁波三星医疗电气股份有限公司 | A kind of new electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |