CN115629228B - Modular ammeter and installation method - Google Patents

Abstract

The application discloses a modular ammeter and an installation method, and belongs to the technical field of electric power metering equipment. Including a box, the box is hollow structure, one side of box is provided with the window, and set up in the inside position watchcase that is located the window of box, the internally mounted of watchcase has the ammeter, install multiunit wiring subassembly with the relative one side of ammeter in the watchcase, be provided with multiunit wiring end with the relative one side of wiring subassembly on the ammeter, multiunit wiring subassembly and multiunit wiring end adaptation, the wiring subassembly basis is according to the contact condition with the ammeter, self-adaptation switches between conductor and insulator to the break-make electricity state of control wiring end. According to the modular ammeter and the installation method, the wiring component is arranged and is matched with the integrated circuit inside the box body, installation can be completed only by inserting the wiring component into a wiring end on the ammeter during installation, and therefore the ammeter is installed in a modular mode without repeated disconnecting, and installation and replacement efficiency of the ammeter is improved.

Description

Modular ammeter and installation method

Technical Field

The application relates to the technical field of electric power metering equipment, in particular to a modular ammeter and an installation method.

Background

The intelligent electric meter is one of basic devices for data acquisition of an intelligent power grid, undertakes the tasks of original electric energy data acquisition, metering and transmission, and is the basis for realizing information integration, analysis optimization and information display;

the intelligent ammeter has high popularity and wide application range, and in order to ensure the accuracy and reliability of metering equipment, a power management department has strict regulations on the service life of the intelligent ammeter and needs to overhaul and replace the intelligent ammeter at intervals, but because the installation position of a wire rod is compact, a circuit is messy and difficult to distinguish, the material of a wire core of the ammeter is soft, a wiring mode is that a secondary terminal of the ammeter is connected after an exposed wire head is directly stripped, the secondary terminal is fastened by using screws, and the secondary terminal needs to be repeatedly assembled and disassembled during each ammeter replacement operation, so that the ammeter replacement operation efficiency is low, and therefore, a modularized ammeter and an installation method are needed to be provided to solve the problems.

It should be noted that the above information disclosed in this background section is only for background understanding of the concepts of the present application and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems in the prior art, the present application aims to: the utility model provides a modularization ammeter and an installation method, which solves the problem of low work efficiency of ammeter replacement.

The technical scheme adopted by the application for solving the technical problem is as follows: the utility model provides a modularization ammeter, includes a box, the box is hollow structure, one side of box is provided with at least a set of window, the watchcase, the internally mounted of watchcase has the ammeter, the watchcase sets up the position that is located the window in the box to the staff is to the ammeter operation, multiunit wiring subassembly is installed to one side relative with the ammeter in the watchcase, one side relative with the wiring subassembly on the ammeter is provided with multiunit wiring end, multiunit wiring subassembly and multiunit wiring end adaptation, the wiring subassembly is according to the contact condition with the ammeter, adaptively switches between conductor and insulator to the break-make electric state of control wiring end.

Furthermore, the wiring subassembly is including installing the casing on the watchcase, be provided with the conductive sleeve in the casing, be provided with the open chamber that holds in both ends in the conductive sleeve, slidable mounting has the piston in holding the chamber, the one end of keeping away from holding the chamber on the piston is provided with the inner chamber, install first spring in the inner chamber, the one end of keeping away from the inner chamber on the first spring is installed the ejector pin, install the second spring between piston and the casing bottom, the piston outer wall is provided with the slot, it has the shell fragment to peg graft in the slot, conductive sleeve, ejector pin and shell fragment are metal conducting material.

Furthermore, in order to prevent the piston from falling off from the upper end of the accommodating chamber, a step is arranged at one end of the piston close to the bottom of the shell, a rod body is arranged at one end of the piston far away from the step, the size of the rod body is smaller than that of the step, and a protruding portion is arranged at one end of the accommodating chamber far away from the bottom of the shell, allows the rod body to pass through and prevents the step from passing through.

Furthermore, the conductive sleeve is combined with the shell through injection molding, and the piston is made of rubber.

Furthermore, in order to prolong the service life of the piston, the electric sleeve and the shell are assembled, and the piston is made of a non-conductive rigid material.

Furthermore, in order to enable the modular ammeter to be suitable for a box shared by a plurality of ammeters, a transmission assembly is arranged in the box body, a mounting assembly is arranged on the transmission assembly, the mounting assembly is used for fixing a plurality of groups of watchcases, and the transmission assembly is used for adjusting the positions of the watchcases.

Further, the transmission assembly is including installing the motor on the box, the driving shaft is installed to the output of motor, the action wheel is installed to the lower extreme of driving shaft, keep away from the one end of driving shaft in the box, the driven shaft is installed to the bearing, install from the driving wheel on the driven shaft, between action wheel and the follow driving wheel, the transmission is connected with the chain.

Further, the installation component includes two sets of bottom sprockets of installing with driving shaft and driven shaft respectively, and is two sets of the transmission is connected with the bottom sprocket assembly on the bottom sprocket, the installation component still includes two sets of top sprockets fixed with driving shaft and driven shaft respectively, and is two sets of the transmission is connected with the chaining plate subassembly on the chaining wheel, vertically install the multiunit connecting rod between bottom sprocket assembly and the chaining plate subassembly, the multiunit all cup jointed the sleeve pipe on the connecting rod, install the payment screw on the sleeve pipe, the sleeve pipe passes through the payment screw and installs with the connecting rod, adjacent multiunit the sleeve pipe is fixed with the watchcase.

Furthermore, in order to enable the transmission of a plurality of watchcases to be more stable, a plurality of groups of supporting wheels are installed on the driving shaft and the driven wheel, the supporting wheels are uniformly arranged along the driving shaft and the driven shaft from top to bottom, and the supporting wheels are used for supporting the watchcases to be transmitted to corner positions, so that the watchcases are prevented from shaking at the corners.

Further, the steps of installing the plurality of groups of modular electric meters are as follows:

firstly, rotating a meter shell needing to be provided with an electric meter to a window through a transmission assembly;

secondly, mounting the electric meter in the meter shell, and inserting the wiring assembly into a wiring terminal on the electric meter;

thirdly, the transmission assembly continues to rotate 180 degrees in the same direction until the watchcase on one side is completely installed;

fourthly, the transmission assembly rotates 360 degrees in the opposite direction until the watchcase on the other side is installed;

and fifthly, rotating each watch case to the initial position through the transmission assembly.

The beneficial effect of this application is: according to the modularized ammeter and the installation method, the wiring assembly is arranged and is matched with the integrated circuit inside the box body, installation can be completed only by inserting the wiring assembly into a wiring end on the ammeter during installation, and therefore modularized installation is carried out on the ammeter, disconnection does not need to be carried out repeatedly, and therefore the efficiency of installation and replacement of the ammeter is improved.

In addition to the objects, features and advantages described above, other objects, features and advantages will be apparent from the present application. The present application will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 is a schematic view of a modular electric meter according to the present application in its entirety;

FIG. 2 is a schematic view of the mounting of the watch case to the electricity meter;

FIG. 3 is a schematic bottom view of the mounting of the case and the meter;

FIG. 4 is a detail view of the wiring assembly of FIG. 3;

FIG. 5 is a schematic view of the wiring assembly of FIG. 3 showing a change in operating state;

FIG. 6 is a schematic diagram of the electrical circuit of a modular electric meter of the present application;

FIG. 7 is a side cross-sectional view of FIG. 1;

FIG. 8 is an overall schematic view of the drive assembly and mounting assembly of FIG. 7;

FIG. 9 is a schematic view of the connection of the watch case of FIG. 8;

FIG. 10 is a schematic view of a detail of the chain plate assembly of FIG. 9;

FIG. 11 is a schematic view of the rear inner row of the socket of FIG. 7;

wherein, in the figures, the various reference numbers:

1. a box body; 11. a first region; 111. a window; 12. a second region; 121. a first external terminal; 122. a first inner terminal; 13. a third region; 131. a second external terminal; 132. a second inner terminal; 14. a fourth region; 141. an incoming terminal; 142. a main switch; 143. an outlet terminal; 15. a fifth region; 16. a sixth region;

2. a transmission assembly; 21. a motor; 22. a chain; 23. a drive shaft; 24. a driving wheel; 25. a driven shaft; 26. a driven wheel;

3. mounting the component; 31. a lower sprocket; 32. an upper sprocket; 33. a lower chain plate assembly; 331. a chain plate; 332. connecting holes; 333. a roller; 334. a connecting plate; 34. a winding plate assembly; 35. a support wheel; 36. a sleeve; 361. a set screw; 37. a connecting rod;

4. a watch case; 41. an upper chamber; 411. a threaded hole; 412. a convex plate; 42. a lower cavity; 43. a partition plate; 431. a through hole;

5. an electricity meter; 51. a flange; 52. a bolt; 53. mounting holes; 54. a narrow edge; 55. a terminal;

6. a wiring assembly; 61. a housing; 62. a conductive sleeve; 621. a wiring portion; 622. a boss portion; 623. a housing chamber; 63. a piston; 631. an inner cavity; 632. a slot; 633. a step; 634. a rod body; 64. a top rod; 65. a first spring; 66. a second spring; 67. a spring plate.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The first embodiment is as follows:

this embodiment specifically explains a concrete installation and wiring mode of a modular ammeter in this application:

as shown in fig. 1, the present application provides a modular electric meter, which includes a box body 1, wherein the box body 1 is hollow and fixed on a wall, and an operation end (an end shown in fig. 1) is arranged at one side of the box body 1, the operation end is an end for an operator to operate the box body 1, and a box door (not shown in the figure) is hinged at one side of the box body 1, which is located at the operation end, and is used for protecting the operation end of the box body 1;

as shown in fig. 1, a fourth region 14, a second region 12, a third region 13 and a first region 11 are sequentially arranged on the operation end along the counterclockwise direction, wherein a window 111 is arranged on the first region 11, the window 111 is communicated with the inside of the case 1, a case 4 is arranged at the position of the window 111 in the case 1, one end of the case 4 is opened, the opened end faces the window 111, and the ammeter 5 is arranged in the case 4, so that the ammeter 5 can be operated through the window 111;

the specific mounting method of the case 4 and the electricity meter 5 is as follows:

as shown in fig. 2, a partition plate 43 is arranged in the middle of the inner part of the watch case 4, the partition plate 43 divides the inner part of the watch case 4 into an upper chamber 41 at the upper end and a lower chamber 42 at the lower end, wherein the upper chamber 41 is used for installing the electric meter 5, and a plurality of wiring assemblies 6 are fixed in the lower chamber 42, and the wiring assemblies 6 are used for electrically connecting with the electric meter 5;

the convex plates 412 are fixed on two opposite sides in the upper cavity 41, the narrow edges 54 are arranged on two sides of the electric meter 5, the narrow edges 54 are positioned at the lower end of the electric meter 5, and the distance between the two convex plates 412 is matched with the distance between the two narrow edges 54, so that the electric meter 5 can be clamped between the two convex plates 412 through the narrow edges 54 for fixing;

the length of the projection 412 in the vertical direction is smaller than the length of the narrow side 54 in the vertical direction, and the distance from the highest point of the projection 412 to the partition 43 is smaller than the length of the narrow side 54 in the vertical direction, so that the bottom surface of the electricity meter 5 is brought into contact with the partition 43 when the electricity meter 5 is stuck into the case 4 by means of the narrow side 54;

a flange 51 is arranged at one end of the electric meter 5 far away from the narrow side 54, a mounting hole 53 is arranged on the flange 51, a threaded hole 411 is arranged in the upper cavity 41, the mounting hole 53 is matched with the threaded hole 411, and a bolt 52 is arranged on the mounting hole 53 and the threaded hole 411, so that the electric meter 5 is fixed in the upper cavity 41 through threaded connection of the bolt 52 and the threaded hole 411;

when the electric meter 5 is installed, the electric meter 5 is placed in the upper cavity 41, then the electric meter 5 is pushed to move downwards vertically, the narrow edge 54 is clamped in the convex plate 412 until the lower surface of the electric meter 5 is in contact with the partition plate 43, and then the electric meter 5 is fixed through the bolt 52;

as shown in fig. 3, a plurality of sets of terminals 55 are disposed at the lower end of the electric meter 5, the plurality of sets of terminals are divided into two sets with the same number, namely, an incoming portion and an outgoing portion, wherein the incoming portion is used for connecting with an incoming cable of the electric meter 5, and the outgoing portion is used for connecting with an outgoing cable of the electric meter 5, the same wiring assembly 6 in the lower cavity 42 is also divided into two portions corresponding to the terminals 55, namely, a first wiring assembly and a second wiring assembly, for convenience of description, the incoming portion corresponds to the first wiring assembly, and the outgoing portion corresponds to the second wiring assembly;

meanwhile, the first wiring assembly and the second wiring assembly are different in connection position and have the same structures as the wiring assembly 6;

specifically, as shown in fig. 4, the wiring assembly 6 includes a housing 61 fixed to the lower cavity 42, the housing 61 is hollow with an upper end open, a conductive sleeve 62 is fixed in the hollow cavity of the housing 61, the conductive sleeve 62 is made of a metal conductive material, and meanwhile, the conductive sleeve 62 may also be integrally formed with the housing 61;

an accommodating chamber 623 is arranged in the conductive sleeve 62, the accommodating chamber 623 is open at the upper end and the lower end, and a piston 63 is adapted in the accommodating chamber 623, and meanwhile, the piston 63 can slide up and down in the accommodating chamber 623;

in order to prevent the piston 63 from falling off from the upper end of the accommodating chamber 623, the piston 63 is provided with a step 633 at one end close to the bottom of the housing 61, and a rod 634 is provided at one end of the piston 63 away from the step 633, the rod 634 having a size smaller than that of the step 633, while at one end of the accommodating chamber 623 away from the bottom of the housing 61, a protrusion 622 is provided, the protrusion 622 is provided to allow the rod 634 to pass through and prevent the step 633 from passing through, so that the step 633 can be confined in the accommodating chamber 623;

if the conductive sleeve 62 is combined with the housing 61 by injection molding, the piston 63 is made of rubber, and during installation, the step 633 can be extruded into the accommodating chamber 623 through the protrusion 622 because the piston 63 is made of rubber;

if the conductive sleeve 62 is assembled with the housing 61, the piston 63 may be made of a non-conductive rigid material, so that the service life of the piston 63 is prolonged, and during installation, the piston 63 and the conductive sleeve 62 may be sleeved first and then integrally installed inside the housing 61;

when the piston 63 slides up and down in the accommodating chamber 623, the step 633 is matched with the inner wall of the accommodating chamber 623 for sliding, and a certain gap is reserved between the rod body 634 and the boss 622;

an inner cavity 631 is formed in one end, far away from the step 633, of the rod body 634, a first spring 65 is fixed at the bottom of the inner cavity 631, a push rod 64 is fixed at one end, far away from the inner cavity 631, of the first spring 65, the push rod 64 is made of a metal conductive material, as shown in fig. 3, a plurality of groups of terminals 55 are arranged at one end, close to the wiring assembly 6, of the electric meter 5, and the plurality of groups of terminals 55 are matched with the push rod 64 one by one, so that the push rod 64 can be inserted into the terminals 55 and power-on and data transmission can be performed on the electric meter 5;

as shown in fig. 2, a plurality of sets of through holes 431 are formed in the partition plate 43, and the through holes 431 are used for the top rod 64 to pass through and play a guiding role for the top rod 64, and are installed in a matching manner with the terminal 55;

in the process that the ejector rod 64 is inserted into the terminal 55, the ejector rod 64 can be automatically powered on and off according to the contact condition with the electric meter 5, and the specific implementation structure is as follows:

as shown in fig. 4, the outer wall of the rod 634 is provided with a slot 632, the slot 632 is provided with at least two positions along the length direction of the rod 634, a resilient piece 67 is inserted into the slot 632, the resilient piece 67 protrudes out of the outer wall of the rod 634 in a free state, the upper end of the resilient piece 67 penetrates through the slot 632 and protrudes out of the upper end of the rod 634, and the resilient piece 67 is made of a metal conductive material;

a second spring 66 is fixed on the bottom of the housing 61, and one end of the second spring 66 far away from the bottom of the housing 61 is fixed with the piston 63, so that the piston 63 can slide up and down in the accommodating chamber 623 under the action of external force and is reset by the second spring 66;

the first spring 65 is more easily compressed than the second spring 66, that is, when the plunger 64 is subjected to an external force, the first spring 65 is compressed first, and then the second spring 66 is compressed;

as shown in fig. 5, the state of the wiring assembly 6 when the push rod 64 is subjected to different forces is divided into four states:

the first state is a free state: in this state, the ejector 64 is free from any external force, the ejector 64 is in a free state, and the wiring assembly 6 is in a state of the maximum length, that is, in a state where the electricity meter 5 is not mounted in the case 4, at this time, the ejector 64 protrudes from the upper surface of the partition plate 43;

the second state is an anti-interference state: in this state, the ejector rod 64 is subjected to a slight external force, at this time, the ejector rod 64 still protrudes out of the upper surface of the partition plate 43, and the ejector rod 64 moves downward under the action of the slight external force and compresses the first spring 65, so that the ejector rod 64 can have a certain anti-interference capability within a certain range, and after the external force disappears, the ejector rod 64 can return to a free state under the action of the first spring 65;

the third state is an on state: the state is a state of installing the electric meter 5 in the watch case 4, in the state, the push rod 64 is firstly inserted into the terminal 55, because the terminal 55 has a certain depth, the push rod 64 is hard-contacted with the electric meter 5 after entering a certain distance, then the push rod 64 is continuously stressed in the installation process of the electric meter 5 until the lower surface of the electric meter 5 is contacted with the partition plate 43, in the process, the push rod 64 also continuously extrudes the first spring 65 until the first spring 65 is completely compressed into the inner cavity 631, meanwhile, the bottom of the push rod 64 is also contacted with the upper end of the elastic sheet 67 and presses the elastic sheet 67 to move downwards in the slot 632, and in the downward moving process of the elastic sheet 67, the side surface of the elastic sheet 67 moves towards a direction far away from the side wall of the rod body 634;

as the push rod 64 is continuously stressed, after the push rod 64 contacts with the upper surface of the piston 63, the first spring 65 is deactivated, and at this time, the push rod 64 starts to exert force on the piston 63, and drives the piston 63 to move downwards in the accommodating chamber 623, and the second spring 66 is compressed;

in the downward movement of the piston 63, the protruding portion of the side surface of the elastic sheet 67 comes into contact with the boss 622, and in the setting of the present embodiment, when the lower surface of the electricity meter 5 contacts the partition 43, the protruding portion of the side surface of the elastic sheet 67 just contacts the middle position of the boss 622, so that the stability of the contact between the elastic sheet 67 and the boss 622 is ensured, and the elastic sheet 67 is prevented from being easily separated from the boss 622;

the fourth state is a pressing state: this state is a state in which the electricity meter 5 is mounted in the case 4, but unlike the on state, in the on state, the jack 64 is inserted into the terminal 55 of the electricity meter 5, and in the pressed state, the jack 64 is only dislocated or the terminal 55 is not provided at a position on the electricity meter 5 corresponding to the jack 64, and therefore, the jack 64 is only in contact with the bottom of the electricity meter 5;

in this state, the plunger 64 is pressed into the through hole 431 of the diaphragm 43 by the electric meter 5, so that the piston 63 is further pressed, and in the setting of this embodiment, when the plunger 64 is pressed into the through hole 431, the elastic piece 67 is further lowered and separated from the boss 622, so that in this state, the elastic piece 67 is separated from the boss 622;

in summary, in the four different states of the wiring assembly 6, only in the on state, the ejector rod 64, the spring plate 67 and the protruding portion 622 sequentially contact to form an integral conductor, so that the electricity meter 5 can be powered on and data can be transmitted through the wiring assembly 6, and the wiring assembly 6 in the other three states is in the off state, so that the automatic power-on and power-off setting can be realized according to the contact condition of the wiring assembly 6 and the electricity meter 5;

a wiring part 621 is arranged at one end of the conductive sleeve 62 close to the bottom of the shell 61, and the wiring part 621 is used for being connected with each wiring terminal so as to conduct power supply and data transmission on the electric meter 5;

as shown in fig. 1, 6-7 and 11, in the fourth area 14, from top to bottom, a line terminal 141, a main switch 142 and a line terminal 143 are provided, the line terminal 141 is connected to the utility power for supplying power to the electricity meter 5, the main switch 142 is used for cutting off or connecting the line terminal 143 and the line terminal 141, and a first external terminal 121 is connected to an end of the line terminal 143 away from the main switch 142, the first external terminal 121 is located in the second area 12;

a first inner terminal 122 is arranged on the back surface of the operating end, which is positioned in the second area 12, the first inner terminal 122 is electrically connected with the first outer terminal 121, one end, which is far away from the first outer terminal 121, of the first inner terminal 122 is connected with a first wiring component in the wiring component 6, then the first wiring component is connected with an incoming line end of the ammeter 5, and then the outgoing line end of the ammeter 5 is connected with a second wiring component of the wiring component 6;

a second inner terminal 132 is arranged on the back surface of the operating end in the third area 13, the second inner terminal 132 is connected with the second wiring assembly, meanwhile, a second outer terminal 131 is also arranged on the third area 13, the second outer terminal 131 is connected with one end of the second inner terminal 132 far away from the second wiring assembly, and one end of the second outer terminal 131 far away from the second inner terminal 132 is connected with the home end, so that a complete circuit loop is formed;

above-mentioned each binding post all integrates in box 1, when needs are changed or are installed ammeter 5, only need to install ammeter 5 in watchcase 4 to make wiring end 55 on ammeter 5 peg graft with corresponding wiring subassembly 6, can be in order to accomplish the installation and the change of ammeter, when having avoided current change or installation ammeter 5, numerous and diverse wiring operation makes the change or the installation of ammeter 5 more convenient and fast.

The second embodiment:

in this embodiment, a modular electric meter in the first embodiment is further modified, so that the modular electric meter can adapt to a situation that a plurality of electric meters share one box, specifically, the following structures are added to this embodiment on the basis of the first embodiment:

as shown in fig. 7, a transmission assembly 2 is arranged inside the box 1, the transmission assembly 2 is used for adjusting the position of a plurality of watchcases 4, a mounting assembly 3 is arranged on the transmission assembly 2, and the mounting assembly 3 is used for fixing the watchcases 4;

as shown in fig. 8-10, the transmission assembly 2 includes a motor 21 fixed on the box 1, a driving shaft 23 fixed at an output end of the motor 21, a driving wheel 24 fixed at a lower end of the driving shaft 23, a driven shaft 25 bearing-connected at an end of the box 1 far from the driving shaft 23, a driven wheel 26 fixed on the driven shaft 25, and a chain 22 in transmission connection between the driving wheel 24 and the driven wheel 26, so that the driving wheel 24 and the driven wheel 26 can rotate in the same direction under the driving of the motor 21;

the mounting assembly 3 comprises two groups of lower chain wheels 31 respectively fixed with the driving shaft 23 and the driven shaft 25, a lower chain plate assembly 33 is in transmission connection with the two groups of lower chain wheels 31, similarly, the mounting assembly 3 also comprises two groups of upper chain wheels 32 respectively fixed with the driving shaft 23 and the driven shaft 25, and an upper chain plate assembly 34 is in transmission connection with the two groups of upper chain wheels 32, so that in the rotating process of the driving wheel 24 and the driven wheel 26, the lower chain wheels 31 and the upper chain wheels 32 synchronously rotate, and the lower chain plate assembly 33 and the upper chain plate assembly 34 are driven to transmit;

in the present embodiment, the upper chain plate assembly 34, the lower chain plate assembly 33 and the chain 22 are sequentially arranged from top to bottom, and are all located inside the box body 1, and the upper chain plate assembly 34, the lower chain plate assembly 33 and the chain 22 have the same structure, which is a chain structure in the prior art;

a plurality of groups of connecting rods 37 are vertically arranged between the lower chain plate assembly 33 and the upper chain plate assembly 34, sleeves 36 are sleeved on the groups of connecting rods 37, stop screws 361 are arranged on the sleeves 36, and the sleeves 36 are fixed with the connecting rods 37 through the stop screws 361, so that the connecting rods 37 and the sleeves 36 rotate together and switch positions in the transmission process of the lower chain plate assembly 33 and the upper chain plate assembly 34;

adjacent sets of sleeves 36 are fixed to case 4 so that during rotation of sleeves 36, case 4 rotates along with it, and then corresponding case 4 can be rotated to the position of window 111 as required, and the operation of installing or replacing electricity meter 5 is performed by the operator.

Example three:

in order to make the transmission of a plurality of watchcases 4 more stable, in this embodiment, the installation position of the watchcase 4 is defined based on the second embodiment, in this embodiment, the structures of the lower chain plate assembly 33 and the upper chain plate assembly 34 are the same, and the structure of the upper chain plate assembly 34 is specifically described by taking the upper chain plate assembly 34 as an example:

as shown in fig. 10, the upper chain plate assembly 34 is formed by stacking two chain plates 331 on top of each other, and two chain plates 331 form a chain plate unit, which is respectively marked as a first chain plate and a second chain plate in sequence, and for convenience of description, a third chain plate is added on the side of the second chain plate symmetrical to the first chain plate based on the second chain plate;

two connecting holes 332 are formed in the two ends of the first chain plate, the second chain plate and the third chain plate, the first chain plate and the third chain plate are respectively limited below the two ends of the second chain plate through two connecting rods 37, rollers 333 are connected to the lower ends of the first chain plate and the third chain plate on the connecting rods 37 in a bearing mode, connecting plates 334 are arranged below the two groups of rollers 333, the connecting plates 334 are sleeved with the two connecting rods 37, and shaft sleeves or snap springs are arranged on the two connecting rods 37 above the second chain plate and below the connecting plates 334, so that the upper ends of the second chain plate and the lower ends of the connecting plates 334 are limited, and a stable chain plate unit is formed;

a plurality of link plate units are interconnected to form a top link plate assembly 34;

when the upper chain wheel 32 is in transmission with the upper chain plate assembly 34, the upper chain wheel 32 is matched with the gap between the two rollers 333, so that transmission is completed;

the lower chain plate assembly 33 and the upper chain plate assembly 34 have the same structure, and are not described again;

in order to ensure the stability of fixing watch case 4, watch case 4 is fixed on two adjacent connecting rods 37, and two connecting rods 37 are positioned below the same connecting plate 334, so as to prevent watch case 4 from shaking caused by transmission of upper chain plate assembly 34 or lower chain plate assembly 33;

meanwhile, a plurality of sets of supporting wheels 35 are fixed on the driving shaft 23 and the driven wheel 26, the plurality of sets of supporting wheels 35 are uniformly arranged along the driving shaft 23 (driven shaft 25) from top to bottom, and the supporting wheels 35 are used for supporting the watch case 4 to a corner position and preventing the watch case 4 from shaking at the corner.

Example four:

in order to prevent the connection lines between case 4 and first and second inner terminals 122 and 132 from interfering and knotting during the driving of case 4, the driving direction of case 4 and the layout of first and second inner terminals 122 and 132 need to be adjusted as follows:

in the transmission process of the watch case 4, the watch case can only rotate 180 degrees, and the watch case can rotate 180 degrees respectively anticlockwise and clockwise;

taking case 4 closest to drive shaft 23 in fig. 8 as an example, case 4 can be rotated clockwise 180 ° in the drive direction (downward orientation), which is the limit of clockwise rotation of case 4, then case 4 can be returned to the original position along the original route, and finally rotated counterclockwise 180 ° (downward orientation) in the drive direction, which is the limit of counterclockwise rotation of case 4, by which case 4 in all positions can be ensured to be rotated to the position of window 111 while the wiring movement distance of case 4 in all positions can be minimized;

as shown in fig. 11, case 1 is provided with fifth area 15 and sixth area 16, first inner terminal 122 is provided in fifth area 15, and second inner terminal 132 is provided in sixth area 16, which are provided to better accommodate rotation of case 4 and facilitate wiring of case 4;

of course, other area terminals may be provided on case 1 to better accommodate the rotation of case 4;

the increase and the distribution of the wiring ends can be realized through wiring grooves in the box body 1;

in summary, the installation steps of the modular electricity meter 5 are as follows:

firstly, rotating a meter case 4 to be provided with an electric meter 5 to a window 111 through a transmission assembly 2;

a second step of mounting the electricity meter 5 in the case 4 and inserting the wiring member 6 into the terminal 55 on the electricity meter 5;

thirdly, the transmission component 2 continues to rotate 180 degrees in the same direction until the watchcase 4 on one side is completely installed;

fourthly, the transmission component 2 rotates 360 degrees in the opposite direction until the watch case 4 on the other side is installed;

and fifthly, rotating each watch case 4 to the initial position through the transmission assembly 2.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (9)

1. A modular electricity meter, comprising: the box body (1) is of a hollow structure, and one side of the box body (1) is provided with at least one group of windows (111);

watchcase (4), the internally mounted of watchcase (4) has ammeter (5), watchcase (4) set up in the inside position that is located window (111) of box (1) to in the staff operates ammeter (5), its characterized in that:

a plurality of groups of wiring assemblies (6) are mounted on one side, opposite to the electric meter (5), in the meter shell (4), a plurality of groups of wiring terminals (55) are arranged on one side, opposite to the wiring assemblies (6), of the electric meter (5), and the plurality of groups of wiring assemblies (6) are matched with the plurality of groups of wiring terminals (55);

the wiring assembly (6) is adaptively switched between the conductor and the insulator according to the contact condition with the ammeter (5) so as to control the on-off state of the wiring terminal (55);

the wiring assembly (6) comprises a shell (61) arranged on a watch case (4), a conductive sleeve (62) is arranged in the shell (61), and an accommodating chamber (623) with two open ends is arranged in the conductive sleeve (62);

a piston (63) is installed in the accommodating chamber (623) in a sliding mode, an inner chamber (631) is formed in one end, far away from the accommodating chamber (623), of the piston (63), a first spring (65) is installed in the inner chamber (631), and an ejector rod (64) is installed at one end, far away from the inner chamber (631), of the first spring (65);

a second spring (66) is arranged between the piston (63) and the bottom of the shell (61), an insertion groove (632) is formed in the outer wall of the piston (63), and an elastic sheet (67) is inserted in the insertion groove (632);

the conductive sleeve (62), the ejector rod (64) and the elastic sheet (67) are all made of metal conductive materials.

2. The modular meter of claim 1, wherein: the piston (63) is provided with a step (633) at one end close to the bottom of the shell (61), a rod body (634) is arranged at one end, far away from the step (633), of the piston (63), and the size of the rod body (634) is smaller than that of the step (633);

one end of the accommodating chamber (623) far away from the bottom of the shell (61) is provided with a protruding part (622), and the protruding part (622) allows the rod body (634) to pass through while preventing the step (633) from passing through.

3. A modular electricity meter in accordance with claim 2, wherein: the conductive sleeve (62) is combined with the shell (61) through injection molding, and the piston (63) is made of rubber.

4. A modular electricity meter in accordance with claim 2, further comprising: the conductive sleeve (62) and the shell (61) are assembled, and the piston (63) is made of non-conductive rigid materials.

5. A modular electricity meter in accordance with claim 1, further comprising: the novel multifunctional watch box is characterized in that a transmission assembly (2) is arranged in the box body (1), a mounting assembly (3) is arranged on the transmission assembly (2), the mounting assembly (3) is used for fixing a plurality of watchcases (4), and the transmission assembly (2) is used for adjusting the positions of the watchcases (4).

6. The modular meter of claim 5, wherein: drive assembly (2) is including installing motor (21) on box (1), driving shaft (23) are installed to the output of motor (21), action wheel (24) are installed to the lower extreme of driving shaft (23), keep away from the one end of driving shaft (23) in box (1), driven shaft (25) are installed to the bearing, install on driven shaft (25) from driving wheel (26), between action wheel (24) and follow driving wheel (26), the transmission is connected with chain (22).

7. The modular meter of claim 6, wherein: the mounting assembly (3) comprises two groups of lower chain wheels (31) which are respectively mounted with the driving shaft (23) and the driven shaft (25), and the two groups of lower chain wheels (31) are in transmission connection with a lower chain plate assembly (33);

the mounting assembly (3) further comprises two groups of upper chain wheels (32) which are respectively fixed with the driving shaft (23) and the driven shaft (25), and an upper chain plate assembly (34) is in transmission connection with the two groups of upper chain wheels (32);

the utility model discloses a watch case, including lower chain plate subassembly (33) and upper chain plate subassembly (34), vertically install multiunit connecting rod (37), multiunit all cup jointed sleeve pipe (36) on connecting rod (37), install stopping screw (361) on sleeve pipe (36), sleeve pipe (36) are through stopping screw (361) and connecting rod (37) installation, adjacent multiunit sleeve pipe (36) are fixed with watchcase (4).

8. A modular electricity meter in accordance with claim 7, wherein: the driving shaft (23) and the driven wheel (26) are provided with a plurality of groups of supporting wheels (35), the groups of supporting wheels (35) are uniformly arranged along the driving shaft (23) and the driven shaft (25) from top to bottom, and the supporting wheels (35) are used for supporting the watch case (4) at a corner position and preventing the watch case (4) from shaking at the corner.

9. A method of mounting a modular electric meter in accordance with claim 8, further comprising: the installation steps of the plurality of groups of the modular electric meters (5) are as follows:

firstly, rotating a meter shell (4) to be provided with an electric meter (5) to a window (111) through a transmission assembly (2);

a second step of mounting the electricity meter (5) in the case (4) and inserting the wiring assembly (6) into the terminal (55) on the electricity meter (5);

thirdly, the transmission component (2) continues to rotate 180 degrees in the same direction until the watchcase (4) on one side is completely installed;

fourthly, the transmission assembly (2) rotates 360 degrees in the opposite direction until the watchcase (4) on the other side is installed;

fifthly, rotating each watch case (4) to the initial position through the transmission assembly (2).

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