Disclosure of Invention
The invention aims to provide an electric energy meter assembly, which reduces the electric shock risk of operation and maintenance personnel and improves wiring efficiency.
To achieve the purpose, the invention adopts the following technical scheme:
A power meter assembly comprising:
the electric energy meter comprises an electric meter body and a plurality of wiring terminals arranged on the electric meter body, wherein each wiring terminal is provided with a spring piece, and the spring pieces are made of conductive materials;
The auxiliary replacing parts are provided with a plurality of auxiliary replacing parts and a plurality of wiring terminals, the auxiliary replacing parts correspond to the wiring terminals one by one, each auxiliary replacing part comprises a connecting rod, an insulating part arranged at one end of the connecting rod and a sleeve arranged at the other end of the connecting rod, the connecting rod is made of conductive materials, and the insulating part and the sleeve are made of insulating materials;
The wire can peg graft on the connecting rod, the connecting rod can wear to locate the wiring end and with wiring end sliding fit, the outer wall of connecting rod can with the spring leaf contact, so that the wire with the spring leaf electricity is connected, the connecting rod can partly stretch into in the sleeve, so that the insulating part with the spring leaf contact.
Preferably, an inserting groove is formed in the outer wall of the connecting rod, the conducting wire can be partially arranged in the inserting groove, and the electrified end of the conducting wire is abutted to the groove wall of the inserting groove.
Preferably, the insertion groove is a stepped groove.
Preferably, the insertion groove is of an annular structure, the connecting rod is of a cylindrical structure, and the axis of the insertion groove and the axis of the connecting rod are arranged at an included angle.
Preferably, a clamping piece is arranged on the inner wall of the insertion groove, and is used for clamping the wire.
Preferably, the outer wall of the connecting rod is provided with external threads, the sleeve is provided with internal threads, the internal threads are in threaded fit with the external threads, the lead can be wound on the connecting rod, and part of the lead is positioned between two adjacent threads of the external threads.
Preferably, the insulating member has a hollow conical structure, the insulating member having a large end and a small end, the small end facing the sleeve and being connected to the connecting rod.
Preferably, the auxiliary replacing member further comprises a knob, the knob is arranged at one end of the connecting rod, the knob is used for being held by a hand, and the knob can rotate and drive the connecting rod to rotate, so that the connecting rod part extends into the sleeve.
Preferably, the electric energy meter comprises a limiting piece, wherein the limiting piece is used for limiting rotation of the knob.
Preferably, the limiting member is partially located in the insulating member, and the limiting member can abut against the knob to limit rotation of the knob.
The invention has the beneficial effects that:
According to the electric energy meter assembly provided by the embodiment of the invention, when the electric energy meter is newly installed, the electric energy meter is not electrified, the lead is firstly inserted into the connecting rod, then the connecting rod is penetrated into the wiring end of the electric energy meter, the spring piece of the wiring end can be contacted with the outer wall of the connecting rod, and the current can be transmitted to the electric energy meter through the lead, the connecting rod and the spring piece, so that the electric connection between the lead and the wiring end of the electric energy meter is realized, and a plurality of wiring ends of the electric energy meter are sequentially connected with the auxiliary replacement piece through the steps, so that the installation of the newly installed electric energy meter is completed. When the electric energy meter breaks down and needs to be replaced, the connecting rod drives the wire part to be arranged in the sleeve, at the moment, the insulating piece is in contact with the spring piece, the insulating piece and the sleeve are made of insulating materials, so that the whole auxiliary replacement piece is uncharged, the auxiliary replacement piece and the wire are taken out from the wiring end of the electric energy meter together, a plurality of auxiliary replacement pieces and a plurality of wiring ends of the electric energy meter are separated in one-to-one correspondence in sequence, and then a new electric energy meter is replaced. According to the electric energy meter assembly, when a new electric energy meter is installed or replaced, interphase short circuits or grounding short circuits among phase line zero lines cannot occur among a plurality of wires, and the electric shock risk of operation and maintenance personnel for operation and maintenance meter replacement is reduced. And a plurality of auxiliary replacing parts are in one-to-one correspondence with a plurality of wiring terminals of the electric energy meter, so that the problem of phase sequence disorder is not easy to cause in the process of replacing the electric energy meter, and the wiring efficiency is improved.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In describing embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used for convenience of description and simplicity of operation based on the azimuth or positional relationship shown in the drawings, and are not to be construed as limiting the present invention, as the means or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The present embodiment provides an electric energy meter assembly, as shown in fig. 1 to 3, comprising an electric energy meter 1 and auxiliary replacing members 2, wherein the electric energy meter 1 comprises an electric energy meter body 11 and a plurality of terminals 12 arranged on the electric energy meter body 11, a spring piece 121 is arranged on each terminal 12, the spring piece 121 is made of conductive materials, the auxiliary replacing members 2 are provided with a plurality of auxiliary replacing members 2 and a plurality of terminals 12 in one-to-one correspondence, the auxiliary replacing members 2 comprise connecting rods 21, insulating members 22 arranged at one ends of the connecting rods 21 and sleeves 23 arranged at the other ends of the connecting rods 21, the connecting rods 21 are made of conductive materials, the insulating members 22 and the sleeves 23 are made of insulating materials, a wire 100 can be inserted on the connecting rods 21, the connecting rods 21 can be arranged through the terminals 12 and in sliding fit with the terminals 12, the outer walls of the connecting rods 21 can be contacted with the spring pieces 121 so that the wire 100 and the spring pieces 121 are electrically connected, and the connecting rods 21 can be partially stretched into the sleeves 23 so that the insulating members 22 are contacted with the spring pieces 121, and the auxiliary replacing members 2 are not electrified. In the present embodiment, the electric energy meter 1 is exemplified by a three-phase electric energy meter having A, B, C three phases and two neutral terminals, which are provided with eight terminals 12 in total, so that the auxiliary exchange 2 is also provided with eight.
The electric energy meter assembly provided by the embodiment does not have live operation when the electric energy meter 1 is newly installed, the lead 100 is firstly inserted into the connecting rod 21, then the connecting rod 21 is penetrated into the wiring end 12 of the electric energy meter 1, the spring piece 121 of the wiring end 12 can be contacted with the outer wall of the connecting rod 21, current can be transmitted to the electric energy meter 1 through the lead 100, the connecting rod 21 and the spring piece 121, and therefore the electric connection of the lead 100 and the wiring end 12 of the electric energy meter 1 is realized, the plurality of wiring ends 12 of the electric energy meter 1 are sequentially connected with the auxiliary replacement piece 2 through the steps, and the installation of the newly installed electric energy meter 1 is completed. When the electric energy meter 1 breaks down and needs to be replaced, the connecting rod 21 drives the wire 100 to be partially arranged in the sleeve 23, at the moment, the insulating piece 22 is in contact with the spring piece 121, and the insulating piece 22 and the sleeve 23 are made of insulating materials, so that the whole auxiliary replacing piece 2 is not electrified, the auxiliary replacing piece 2 and the wire 100 are taken out from the wiring end 12 of the electric energy meter 1 together, a plurality of auxiliary replacing pieces 2 and a plurality of wiring ends 12 of the electric energy meter 1 are separated in one-to-one correspondence in sequence, and then the electric energy meter 1 is replaced with a new electric energy meter. According to the electric energy meter assembly provided by the embodiment, when a new electric energy meter 1 is installed or the electric energy meter 1 is replaced, interphase short circuit or grounding short circuit between phase line zero lines can not occur among the plurality of wires 100, and the electric shock risk of operation and maintenance personnel during operation and maintenance meter replacement is reduced. And a plurality of supplementary change piece 2 and a plurality of wiring ends 12 of electric energy meter 1 correspond one by one, are difficult to cause the problem of phase sequence disorder in the change electric energy meter 1 process, have improved the efficiency of wiring.
It can be understood that the terminal 12 of the electric energy meter 1 provided in this embodiment is a hollow structure, so that the auxiliary replacing member 2 can be taken out from the terminal 12 of the electric energy meter 1. Preferably, a fixing member may be provided at the terminal 12 of the electric energy meter 1, and the fixing member fixes the connecting rod 21 to restrict its movement after the outer wall of the connecting rod 21 contacts the spring piece 121, for example, the fixing member may be a clamp to clamp the connecting rod 21 to restrict its movement.
Specifically, as shown in fig. 1, the electric energy meter 1 further includes a power indicator 13 and a display screen 14, which are disposed on the electric energy meter body 11, the power indicator 13 is used for displaying whether the electric energy meter body 11 is currently energized, and the display screen 14 is used for displaying the electricity consumption.
Specifically, as shown in fig. 2, a plugging groove 211 is formed on the outer wall of the connecting rod 21, the wire 100 can be partially disposed in the plugging groove 211, and the live end of the wire 100 abuts against the groove wall of the plugging groove 211. The connecting rod 21 is made of conductive material, and the charged end of the wire 100 is abutted against the groove wall of the plugging groove 211, so that current transmission is ensured. More specifically, the insertion groove 211 is a stepped groove, and the insertion groove 211 is provided as a stepped groove to accommodate different sizes and different models of the wires 100. In this embodiment, the connecting rod 21 is made of alloy steel, which ensures the structural strength of the connecting rod 21.
Specifically, as shown in fig. 2, the insertion groove 211 has an annular structure, the connecting rod 21 has a cylindrical structure, and an included angle is formed between an axis of the insertion groove 211 and an axis of the connecting rod 21, so that the wire 100 can be disposed at an included angle with the connecting rod 21, and in this embodiment, the wire 100 is disposed at an angle of 90 ° perpendicular to the connecting rod 21.
Specifically, a clamping member (not shown) is provided on the inner wall of the insertion groove 211, and is used for clamping the wire 100, preventing the wire 100 from shaking in the insertion groove 211 and preventing the wire 100 from being inserted unstably.
Specifically, as shown in fig. 2, an external thread is provided on the outer wall of the connecting rod 21, an internal thread is provided on the sleeve 23, the internal thread is in threaded engagement with the external thread, the connecting rod 21 is rotated so that the connecting rod 21 can extend into the sleeve 23, the wire 100 can be wound on the connecting rod 21 while the connecting rod 21 is rotated, and part of the wire 100 is positioned between two adjacent threads of the external thread, the connecting rod 21 and the wire 100 are partially screwed into the sleeve 23, so that the charged end of the wire 100 is positioned in the sleeve 23, and the sleeve 23 is made of an insulating material, thereby facilitating the subsequent replacement of the electric energy meter 1.
Specifically, as shown in fig. 2, the insulating member 22 has a hollow conical structure, the insulating member 22 has a large end and a small end, the small end faces the sleeve 23 and is connected to the connecting rod 21, and when the connecting rod 21 is rotated, the outer wall of the insulating member 22 plays a certain guiding role because the small end faces the sleeve 23. When the spring piece 121 abuts against the insulating member 22, the charged end of the wire 100 is located in the sleeve 23, so that the auxiliary replacing member 2 is not charged.
Specifically, as shown in fig. 2 and 3, the auxiliary replacing member 2 further includes a knob 24, where the knob 24 is disposed at one end of the connecting rod 21 and partially extends out of the large end of the insulating member 22, and the knob 24 is used for being held by a hand, and an operator manually rotates the knob 24 to enable the knob 24 to rotate and drive the connecting rod 21 to rotate, so that the connecting rod 21 partially extends into or extends out of the sleeve 23, and the knob 24 is provided to facilitate the operator to rotate the connecting rod 21. It will be appreciated that knob 24 is made of an insulating material to prevent an operator from getting an electric shock. In other embodiments, the knob 24 is disposed at one end of the connecting rod 21 and disposed in the insulating member 22, and the operation and maintenance personnel can rotate the knob 24 by hand extending into the insulating member 22, or, without disposing the knob 24, directly extend one end of the connecting rod 21 out of the large end of the insulating member 22, and the operation and maintenance personnel holds one end of the connecting rod 21 and rotates the connecting rod 21.
Further, as shown in fig. 2 and 3, the electric energy meter 1 includes a stopper for restricting the rotation of the knob 24. The annular groove 2112 is formed in the joint of the connecting rod 21 and the knob 24, the limiting piece comprises a button portion 15, a transmission portion 16 and a limiting portion 17, the button portion 15 is arranged on the ammeter body 11 and is in sliding fit with the ammeter body 11, the transmission portion 16 is used for transmitting and connecting the button portion 15 and the limiting portion 17, the limiting portion 17 of the limiting piece is located in the insulating piece 22, when the button portion 15 is pressed down, the transmission portion 16 transmits power to the limiting portion 17, the limiting portion 17 moves leftwards (leftwards as shown in fig. 3), the limiting portion 17 is located at the annular groove 2112, and at the moment, the knob 24 is rotated, and the limiting portion 17 cannot perform a limiting effect.
The electric energy meter 1 further comprises a controller, a pressure sensor 18 and a trigger 19, wherein the pressure sensor 18 and the trigger 19 are electrically connected with the controller, the pressure sensor 18 is arranged on the outer wall of the connecting rod 21, when the spring piece 121 contacts with the outer wall of the connecting rod 21, the pressure sensor 18 receives pressure and transmits a pressure signal to the controller, the controller controls the trigger 19 to move rightwards (right as shown in fig. 3), so that the trigger 19 is abutted against the limiting part 17 of the limiting part, the limiting part 17 of the limiting part is pushed to move rightwards (right as shown in fig. 3), the transmission part 16 transmits power to the button part 15, the button part 15 is reset, the knob 24 is rotated at the moment, and the limiting part 17 of the limiting part can be abutted against the knob 24, so that the rotation of the knob 24 is limited.
The embodiment also provides a working process of the electric energy meter component:
When the electric energy meter 1 is newly installed, the electric energy meter 1 is not in electrified operation, the lead 100 is firstly inserted into the connecting rod 21, then the connecting rod 21 penetrates through the wiring terminal 12 of the electric energy meter 1, the spring piece 121 of the wiring terminal 12 can be in contact with the outer wall of the connecting rod 21, and current can be transmitted to the electric energy meter 1 through the lead 100, the connecting rod 21 and the spring piece 121, so that the electric connection between the lead 100 and the wiring terminal 12 of the electric energy meter 1 is realized. The plurality of terminals 12 of the electric energy meter 1 are sequentially connected with the auxiliary replacement part 2 through the steps, and the installation of the newly-installed electric energy meter 1 is completed.
When the electric energy meter 1 breaks down and needs to be replaced, the button part 15 of the limiting part is pressed firstly, at the moment, the limiting part 17 is positioned at the annular groove 2112, the knob 24 is rotated, the other end of the connecting rod 21 can extend into the sleeve 23, the knob 24 is rotated continuously, the spring piece 121 of the wiring terminal 12 of the electric energy meter 1 is jacked up by the insulating part 22 and separated from the connecting rod 21, so that the power-off effect is realized, meanwhile, due to the insulating protection effect of the insulating part 22 and the sleeve 23, the whole auxiliary replacing part 2 is in an uncharged state, the whole auxiliary replacing part 2 is taken out from the electric energy meter 1, and all the auxiliary replacing parts 2 of the electric energy meter 1 are taken out according to the method. Then insert the connecting rod 21 of an auxiliary replacement piece 2 in new electric energy meter 1, rotatory knob 24, with connecting rod 21 part unscrewing sleeve 23, the spring leaf 121 of electric energy meter 1's wiring end 12 contacts with connecting rod 21, for electric energy meter 1 circular telegram, when rotatory connecting rod 21 makes the pressure sensor 18 on the connecting rod 21 contact with spring leaf 121, the spacing portion 17 of locating part is promoted to controller control trigger 19, button portion 15 resets, knob 24 can't rotate, install a plurality of auxiliary replacement pieces 2 one-to-one at a plurality of wiring ends 12 in proper order, accomplish the work of changing electric energy meter 1.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.