阅读说明：本技术 一种用于不断电更换电表的切换装置 (Switching device for replacing ammeter without power failure ) 是由 李颖 杨五洲 刘军宝 余路路 于 2021-04-20 设计创作，主要内容包括：本发明提供了一种用于不断电更换电表的切换装置,涉及电表领域,包括计量箱、固定于计量箱内的第一电表、与第一电表进户端连接的进户线及与第一电表出户端连接的出户线；安装于进户线的第一开关及安装于出户线的第二开关,第一开关用于控制进户线的通断,第二开关用于控制出户线的通道；连接进户线和出户线的连接线及安装于连接线的第三开关,第三开关用于控制连接线的通断,第一开关位于连接线与进户线的连接处和计量箱的进户端之间,第二开关位于连接线与出户线的连接处和计量箱的出户端之间；通过本发明,实现在更换电表过程中,不会影响用户的正常用电。(The invention provides a switching device for replacing an ammeter in an uninterrupted power supply manner, which relates to the field of ammeters and comprises a metering box, a first ammeter, a service wire and a service wire, wherein the first ammeter is fixed in the metering box; the first switch is used for controlling the on-off of the service wire, and the second switch is used for controlling the channel of the service wire; the first switch is positioned between the connection position of the connecting line and the service inlet end of the metering box, and the second switch is positioned between the connection position of the connecting line and the service outlet end of the metering box; by the method and the device, normal electricity utilization of a user cannot be influenced in the electricity meter replacement process.)

1. A switching device for the uninterrupted replacement of an electricity meter, comprising:

the household electricity meter comprises a metering box, a first electricity meter fixed in the metering box, a service entrance line connected with a service entrance end of the first electricity meter and a service exit line connected with a service exit end of the first electricity meter;

the first switch is arranged on the service line and used for controlling the on-off of the service line, and the second switch is arranged on the service line and used for controlling the channel of the service line;

the first switch is positioned between the connection position of the connecting line and the service end of the first ammeter, and the second switch is positioned between the connection position of the connecting line and the service end of the first ammeter;

when the first ammeter normally operates, the third switch is in a disconnected state, the first switch and the second switch are in a connected state, when the first ammeter needs to be replaced, the third switch is firstly switched to the connected state, then the first switch and the second switch are both switched to the disconnected state, and the first ammeter can be replaced at the moment.

2. The switching device of claim 1, comprising a second electric meter, wherein the connection line comprises a connection incoming line and a connection outgoing line, the connection incoming line connects the service line with the service end of the second electric meter, the connection outgoing line connects the service line with the service end of the second electric meter, and the third switch is installed on the connection incoming line.

3. The switching device for the uninterruptible power replacement of an electricity meter according to claim 2, further comprising:

the end part of the connection incoming line for connecting with the home-in end of the third electric meter and the end part of the connection outgoing line for connecting with the home-out end of the third electric meter are both fixed with the conductive blocks, and the conductive blocks are fixed on the inner wall of the metering box;

the fixing plate is fixed at the front end of the third ammeter, and a placing groove corresponding to the conductive block is formed in the front end face of the fixing plate;

the conductive elastic sheet is arranged on the side face of the placing groove, wherein the conductive elastic sheet corresponding to the connection incoming line is connected with the house-entering end of the third electric meter, and the conductive elastic sheet corresponding to the connection outgoing line is connected with the house-exiting end of the third electric meter;

the driving part is arranged in the fixed plate, and when the conductive blocks are located in the corresponding placing grooves, under the action of external force, the driving part drives the conductive blocks to be in contact with the conductive elastic pieces, and meanwhile, the fixed plate is fixedly connected with the metering box.

4. A switching device for the uninterruptible power supply replacement of an electricity meter according to claim 3, wherein the driving part includes:

the rotating column is positioned between the house inlet end and the house outlet end of the third ammeter, and the gear is positioned in the inner cavity;

the bottom end face of the rotating column is provided with a rectangular hole, and the rectangular block is in sliding connection with the rectangular hole;

one end of the spring is fixed at the top of the rectangular hole, and the other end of the spring is fixed at the top end of the rectangular block;

the two connecting rods and the push rods with one ends fixed to the connecting rods are in one-to-one correspondence to the placing grooves, the top ends of the push rods are provided with extending ends extending to the corresponding placing grooves, one of the connecting rods is located above the gear, the other connecting rod is located below the gear, and the connecting rods are provided with straight racks meshed with the gear;

after the conductive block is located the standing groove that corresponds, make the screw rod just to the screw that locates the batch meter inner wall, under the spring action of spring, screw rod and screw contact, then make the rotation post rotate, the screw rod will get into the screw gradually this moment, will drive two connecting rod relative motion simultaneously to drive the push rod and exert the pressure to the motion of electrically conductive shell fragment direction to the conductive block, and finally make conductive block and electrically conductive shell fragment contact.

5. The switching device for the uninterruptible power supply replacement of the electric meter according to claims 2 to 4, comprising a limit frame arranged on the inner wall of the metering box.

Technical Field

The invention relates to the field of electric meters, in particular to a switching device for replacing an electric meter without power failure.

Background

The ammeter is an instrument for detecting power consumption, and in various power consumption environments, the ammeter needs to be installed, and the degree of the ammeter is a basis for collecting electricity charges.

The applicant found that: when the ammeter needs to be changed, the power needs to be cut off firstly, so that the user can not normally use the electricity in the process of changing the ammeter.

Disclosure of Invention

In view of this, an object of one or more embodiments of the present disclosure is to provide a switching device for replacing an electricity meter without power failure, so as to solve the technical problem in the prior art that when an electricity meter needs to be replaced, a power failure needs to be performed first, so that a user cannot normally use electricity during the electricity meter replacement process.

In view of the above, one or more embodiments of the present specification provide a switching device for replacing an electricity meter without power interruption, including:

the household electricity meter comprises a metering box, a first electricity meter fixed in the metering box, a service entrance line connected with a service entrance end of the first electricity meter and a service exit line connected with a service exit end of the first electricity meter;

the first switch is arranged on the service line and used for controlling the on-off of the service line, and the second switch is arranged on the service line and used for controlling the channel of the service line;

the first switch is positioned between the connection position of the connecting line and the service end of the first ammeter, and the second switch is positioned between the connection position of the connecting line and the service end of the first ammeter;

when the first ammeter normally operates, the third switch is in a disconnected state, the first switch and the second switch are in a connected state, when the first ammeter needs to be replaced, the third switch is firstly switched to the connected state, then the first switch and the second switch are both switched to the disconnected state, and the first ammeter can be replaced at the moment.

Furthermore, including the second ammeter, the connecting wire is including connecting the inlet wire and connecting to be qualified for the next round of competitions, connect the inlet wire with the inlet end of second ammeter, it connects the outlet end of going out house line and second ammeter to connect to be qualified for the next round of competitions, the third switch is installed in connecting the inlet wire.

Further, the method also comprises the following steps:

the end part of the connection incoming line for connecting with the home-in end of the third electric meter and the end part of the connection outgoing line for connecting with the home-out end of the third electric meter are both fixed with the conductive blocks, and the conductive blocks are fixed on the inner wall of the metering box;

the fixing plate is fixed at the front end of the third ammeter, and a placing groove corresponding to the conductive block is formed in the front end face of the fixing plate;

the conductive elastic sheet is arranged on the side face of the placing groove, wherein the conductive elastic sheet corresponding to the connection incoming line is connected with the house-entering end of the third electric meter, and the conductive elastic sheet corresponding to the connection outgoing line is connected with the house-exiting end of the third electric meter;

the driving part is arranged in the fixed plate, and when the conductive blocks are located in the corresponding placing grooves, under the action of external force, the driving part drives the conductive blocks to be in contact with the conductive elastic pieces, and meanwhile, the fixed plate is fixedly connected with the metering box.

Further, the driving part includes:

the rotating column is positioned between the house inlet end and the house outlet end of the third ammeter, and the gear is positioned in the inner cavity;

the bottom end face of the rotating column is provided with a rectangular hole, and the rectangular block is in sliding connection with the rectangular hole;

one end of the spring is fixed at the top of the rectangular hole, and the other end of the spring is fixed at the top end of the rectangular block;

the two connecting rods and the push rods with one ends fixed to the connecting rods are in one-to-one correspondence to the placing grooves, the top ends of the push rods are provided with extending ends extending to the corresponding placing grooves, one of the connecting rods is located above the gear, the other connecting rod is located below the gear, and the connecting rods are provided with straight racks meshed with the gear;

after the conductive block is located the standing groove that corresponds, make the screw rod just to the screw that locates the batch meter inner wall, under the spring action of spring, screw rod and screw contact, then make the rotation post rotate, the screw rod will get into the screw gradually this moment, will drive two connecting rod relative motion simultaneously to drive the push rod and exert the pressure to the motion of electrically conductive shell fragment direction to the conductive block, and finally make conductive block and electrically conductive shell fragment contact.

Further, including setting up in the spacing frame of batch meter inner wall.

The invention has the beneficial effects that: by adopting the switching device for replacing the ammeter without power failure, when the first ammeter operates normally, the third switch is in the disconnected state, the first switch and the second switch are in the connected state, when the first ammeter needs to be replaced, the third switch is firstly switched to the connected state, then the first switch and the second switch are both switched to the disconnected state, at the moment, the first ammeter can be replaced, in the process of replacing the first ammeter, normal electricity consumption of a user cannot be influenced, after the first ammeter is replaced, the first switch and the second switch are firstly switched to the connected state, then the third switch is switched to the disconnected state, and uninterrupted switching is realized.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a first front view of an embodiment of the present invention;

FIG. 2 is a second front view of an embodiment of the present invention;

FIG. 3 is an enlarged view of a third power meter in an embodiment of the present invention;

FIG. 4 is an enlarged view of the interior of the stationary plate in accordance with an embodiment of the present invention;

fig. 5 is a front view of a rotating post in an embodiment of the present invention.

Wherein, 1, a measuring box; 2. a first electricity meter; 3. a house lead-in; 4. an outgoing line; 5. a first switch; 6. a second switch; 7. a connecting wire; 8. a third switch; 9. a second electricity meter; 10. a fixing plate; 11. a conductive block; 12. a placement groove; 13. an inner cavity; 14. a gear; 15. a connecting rod; 16. a push rod; 17. rotating the column; 18. a rectangular hole; 19. a spring; 20. a rectangular block; 21. a screw; 22. a limiting frame; 23. a conductive spring plate; 71. connecting an incoming line; 72. and connecting the outgoing line.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In view of the above object, a first aspect of the present invention provides an embodiment of a switching device for replacing an electricity meter without power interruption, as shown in fig. 1, comprising:

the household electricity meter comprises a metering box 1, a first electricity meter 2 fixed in the metering box 1, a service entrance line 3 connected with a service entrance end of the first electricity meter 2 and a service exit line 4 connected with a service exit end of the first electricity meter 2;

a first switch 5 installed on the service wire 3 and a second switch 6 installed on the service wire 4, wherein the first switch 5 is used for controlling the on-off of the service wire 3, and the second switch 6 is used for controlling the passage of the service wire 4;

the household electricity meter comprises a connecting wire 7 and a third switch 8, wherein the connecting wire 7 is connected with an inlet wire 3 and an outlet wire 4, the third switch 8 is arranged on the connecting wire 7 and is used for controlling the connection and disconnection of the connecting wire 7, the first switch 5 is arranged between the connecting position of the connecting wire 7 and the inlet wire 3 and the inlet end of the first electricity meter 2, and the second switch 6 is arranged between the connecting position of the connecting wire 7 and the outlet wire 4 and the outlet end of the first electricity meter 2.

In this embodiment, when the first electricity meter 2 normally operates, the third switch 8 is in the off state, the first switch 5 and the second switch 6 are in the on state, when the first electricity meter 2 needs to be replaced, the third switch 8 is firstly switched to the on state, then the first switch 5 and the second switch 6 are both switched to the off state, at this time, the first electricity meter 2 can be replaced, in the process of replacing the first electricity meter 2, the normal electricity consumption of a user cannot be influenced, after the first electricity meter 2 is replaced, the first switch 5 and the second switch 6 are firstly switched to the on state, then the third switch 8 is switched to the off state, and the uninterrupted power switching is realized.

Considering that in the process of replacing the electric meter, the user still uses electricity, and the electricity consumption at this time cannot be counted, in order to overcome this problem, as an embodiment, as shown in fig. 2, the electric meter includes a second electric meter 9, the connection line 7 includes a connection incoming line 71 and a connection outgoing line 72, the connection incoming line 71 is connected with the service incoming line 3 and the service incoming end of the second electric meter 9, the connection outgoing line 72 is connected with the service outgoing line 4 and the service outgoing end of the second electric meter 9, the third switch 8 is installed on the connection incoming line 71, so in the process of replacing the first electric meter 2, the second electric meter 9 counts the electricity consumption of the user.

Considering that the cost is too large to install a second electric meter 9 in each metering box 1, in order to save cost, as an embodiment, as shown in fig. 3 and 4, the method further comprises:

the conductive block 11 is fixed on the end part of the connection incoming line 71 used for being connected with the home-in end of the third electric meter and the end part of the connection outgoing line 72 used for being connected with the home-out end of the third electric meter, and the conductive block 11 is fixed on the inner wall of the metering box 1;

the fixing plate 10 is fixed at the front end of the third ammeter, and a placing groove 12 corresponding to the conductive block 11 is formed in the front end face of the fixing plate 10;

the conductive elastic sheet 23 is arranged on the side surface of the placing groove 12, wherein the conductive elastic sheet 23 corresponding to the connecting incoming line 71 is connected with the house-entering end of the third electric meter, and the conductive elastic sheet 23 corresponding to the connecting outgoing line 72 is connected with the house-leaving end of the third electric meter;

a drive disposed within the fixed plate 10.

In this embodiment, before first ammeter 2 is changed, place conducting block 11 in corresponding standing groove 12, then under the exogenic action, drive division drive conducting block 11 and electrically conductive shell fragment 23 contact make fixed plate 10 and batch meter 1 fixed connection simultaneously, like this change back with first ammeter 2, still can take off second ammeter 9 to the cost has been practiced thrift.

As an embodiment, as shown in fig. 3, 4 and 5, the driving part includes:

the electric meter comprises an inner cavity 13 arranged in a fixed plate 10, a rotating column 17 penetrating through the inner cavity 13 and a gear 14 fixed on the rotating column 17, wherein the rotating column 17 is positioned between a house entrance end and a house exit end of the third electric meter, and the gear 14 is positioned in the inner cavity 13;

the bottom end face of the rotating column 17 is provided with a rectangular hole 2018, and the rectangular block is in sliding connection with the rectangular hole 2018;

one end of the spring 19 is fixed at the top of the rectangular hole 2018, and the other end of the spring 19 is fixed at the top end of the rectangular block;

two connecting rods 15 and one end are fixed in the push rod 16 of connection, push rod 16 and standing groove 12 one-to-one, and the top of push rod 16 is equipped with the extension end that extends to corresponding standing groove 12, and one of them connecting rod 15 is located the top of gear 14, and another connecting rod 15 is located the below of gear 14, and connecting rod 15 is equipped with the spur rack with gear 14 meshing.

In this embodiment, after the conductive block 11 is located the corresponding placing groove 12, make the screw 21 just right to the screw that locates the inner wall of the batch meter 1, under the elastic force effect of spring 19, screw 21 and screw contact, then make the rotation post 17 rotate, screw 21 will get into gradually in the screw this moment, will drive two connecting rods 15 relative motion simultaneously to drive push rod 16 and exert the pressure of moving to conductive elastic piece 23 direction to conductive block 11, and finally make conductive block 11 and conductive elastic piece 23 contact.

As an embodiment, as shown in FIG. 2, the electric meter comprises a limit frame 22 arranged on the inner wall of the metering box 1, wherein the limit frame 22 is used for placing the second electric meter 9.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.