CN216870646U

CN216870646U - Improved electric energy meter

Info

Publication number: CN216870646U
Application number: CN202123008269.9U
Authority: CN
Inventors: 罗崇; 程鹏; 魏章波; 乐红强
Original assignee: Ningbo Sanxing Smart Electric Co Ltd
Current assignee: Ningbo Sanxing Smart Electric Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-01
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to an improved electric energy meter, which comprises a meter shell, a PCB (printed circuit board) positioned in the meter shell and a battery box positioned in the meter shell and used for mounting a standby battery, wherein a first connector electrically connected with the standby battery is arranged on the battery box, a second connector is arranged on the PCB, and the first connector and the second connector are spliced to realize the electrical connection of the first connector and the second connector and the fixation of the battery box relative to the PCB. The battery box of the electric energy meter can be plugged, so that the replacement of the standby battery and the maintenance and the replacement of the battery box are facilitated.

Description

Improved electric energy meter

Technical Field

The utility model relates to the technical field of electric energy meters, in particular to an improved electric energy meter with a pluggable battery box.

Background

In order to improve the reliability and stability of the operation of the electric energy meter, the electric energy meter in the prior art is usually provided with a standby battery. However, the battery box for installing the spare battery in the prior art is mostly welded on the PCB of the electric energy meter through the hard needle so as to realize the electric connection with the PCB, if the spare battery needs to be replaced, the operation is more complicated, and if the battery box is damaged or the hard needle is in poor contact and other problems occur, the maintenance and the replacement of the battery box are inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, it is an object of the present invention to provide an improved electric energy meter with a removable battery compartment.

In order to realize the purpose, the technical scheme of the utility model is as follows: an improved electric energy meter comprises a meter shell and a PCB board positioned in the meter shell, and is characterized in that:

still including being located the watchcase and being used for installing reserve battery's battery case, be provided with the first connector of being connected with reserve battery electricity on the battery case, be provided with the second connector on the PCB board, first connector and second connector are pegged graft and are fixed with the relative PCB board of electric connection and the battery case that realizes first connector and second connector.

Further, first connector includes the plug of shaping on the battery case, be provided with two jacks of being connected with the stand-by battery electricity on the plug, the second connector is including setting up the socket on the PCB board, be provided with the cavity that can supply the plug to insert wherein on the socket, be provided with two first contact pins that are connected with PCB board electricity and can insert in the jack in the cavity.

Furthermore, the two sides of the plug are provided with limit blocks, the two corresponding sides of the cavity of the socket are provided with limit grooves into which the limit blocks can be inserted, and the groove wall at one end of the opening of each limit groove is provided with a lug for preventing the limit blocks from slipping off from the limit grooves.

Furthermore, the stopper is provided with first chamfer along the both ends of spacing groove length direction, the tip that the lug is close to the opening one end of spacing groove is provided with the second chamfer.

Furthermore, a second contact pin is arranged on the socket so that the socket can be inserted and fixed on the PCB.

Furthermore, be provided with on the battery case and supply the reserve battery to place the holding chamber wherein, the one end in holding chamber is provided with and is fixed the reserve battery in the holding chamber and be used for carrying out the spring that is connected with the jack electricity with reserve battery butt.

Furthermore, one end of the accommodating cavity is provided with a fixed groove for clamping the corresponding end of the spring into the accommodating cavity, and a fixed block for preventing the spring from slipping from the fixed groove is arranged on the bottom of the fixed groove.

Furthermore, a fool-proof groove is formed in the standby battery, and a fool-proof plate matched with the fool-proof groove is arranged in the accommodating cavity of the battery box to prevent the positive electrode and the negative electrode of the standby battery (4) from being reversely arranged.

Furthermore, the plug is arranged on the back of the battery box, the length direction of the jack is perpendicular to the back of the battery box, and the first contact pin is parallel to the PCB when the second contact pin is inserted on the PCB.

Further, the spring is riveted with positive and negative terminals in the battery box and is connected.

Compared with the prior art, the utility model has the advantages that: the utility model provides an electric energy meter passes through the setting that first connector and second are connected, can realize that the battery case can pull out to insert ground and be linked to each other with the PCB board, when the reserve battery in the battery case needs to be changed, only need pull out the battery case and change the reserve battery after insert the second connector again can, the operation is very convenient, and when the battery case breaks down or damages, also be convenient for change and maintain, and simultaneously, set up the battery case into the form that can pull out to insert, can adjust the model of reserve battery as required, the variety of applied scene has been increased.

Drawings

Fig. 1 is a schematic structural diagram of an electric energy meter according to the present application.

Fig. 2 is a schematic diagram of an explosion structure of the electric energy meter according to the present application.

Fig. 3 is a schematic structural diagram of a plug inserted into a socket according to the present application.

Fig. 4 is a schematic structural diagram of the plug of the present application when pulled out of the socket.

Fig. 5 is a schematic view of a battery pack structure according to the present application.

Fig. 6 is a schematic structural diagram of a backup battery according to the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Referring to fig. 1 to 6, which are schematic structural views of a preferred embodiment of the present invention, as shown in the drawings, the electric energy meter includes a case 1 and a PCB 2 located in the case 1, the case 1 includes an upper case 11 and a lower case 12, the electric energy meter further includes a battery box 3 located in the case 1 for mounting a backup battery 4, the battery box 3 is provided with a first connector electrically connected to the backup battery 4, the PCB 2 is provided with a second connector, and the first connector and the second connector are plugged to electrically connect the first connector and the second connector and fix the battery box 3 relative to the PCB 2. When battery case 3 assembles, only need with first connector insert the second connector can, need to change backup battery 4 or when maintaining battery case 3, only need with first connector follow second connector pull out can, it is very convenient to operate.

Specifically, the first connector comprises a plug 31 formed on the battery box 3, two insertion holes 32 electrically connected with the standby battery 4 are arranged on the plug 31, the second connector comprises a socket 21 arranged on the PCB board 2, a cavity 22 into which the plug 31 can be inserted is arranged on the socket 21, and two first pins 23 electrically connected with the PCB board 2 and capable of being inserted into the insertion holes 32 are arranged in the cavity 22. When the socket 21 is inserted into the cavity 22, the first pin 23 is inserted into the jack 32, and due to the fixing effect of the cavity 22 on the plug 31, the stress of the first pin 23 can be reduced, and the first pin 23 is prevented from being deformed and damaged after being used for a long time.

In order to further improve the stability of the plug 31 matching with the cavity 22, two sides of the plug 31 are provided with the limiting blocks 33, two corresponding sides of the cavity 22 of the socket 21 are provided with the limiting grooves 24 into which the limiting blocks 33 can be inserted, and the groove wall of the opening end of the limiting groove 24 is provided with the convex blocks 25 for preventing the limiting blocks 33 from slipping out of the limiting grooves 24.

In order to facilitate the plug 31 to be inserted into the cavity 22 more smoothly, the two ends of the limiting block 33 along the length direction of the limiting groove 24 are provided with first chamfers 34, and the end of the protruding block 25 close to the opening end of the limiting groove 24 is provided with a second chamfer 26.

In this embodiment, the socket 21 is provided with the second pin 27 so that the socket 21 can be inserted and fixed on the PCB 2, and with this design, the socket 21 can be assembled only by inserting the second pin 27 into a corresponding position on the PCB 2, which is very convenient to operate.

In this embodiment, the battery box 3 is provided with an accommodating cavity 35 for accommodating the backup battery 4 therein, and one end of the accommodating cavity 35 is provided with a spring 36 which abuts against the backup battery 4 to fix the backup battery 4 in the accommodating cavity 35 and electrically connects the backup battery 4 with the insertion hole 32. Specifically, one end of the accommodating cavity 35 is provided with a fixing groove 37 into which the corresponding end of the spring 36 is inserted, and a fixing block 38 for preventing the spring 36 from slipping off from the fixing groove 37 is arranged on the bottom of the fixing groove 37. Of course, it should be noted that the spring 38 is not directly connected to the jack 32, but rather a wire connection is provided between the spring 36 and the jack.

In order to prevent the battery from being installed, a fool-proof groove 41 is arranged on the spare battery 4, and a fool-proof plate 39 matched with the fool-proof groove 41 and used for preventing the positive and negative electrodes of the spare battery (4) from being reversely arranged is arranged in the accommodating cavity 35 of the battery box 3.

In the present embodiment, the plug 31 is disposed on the back of the battery box 3 and the length direction of the insertion hole 32 is perpendicular to the back of the battery box 3, and the first pin 23 is parallel to the PCB 2 when the second pin 27 is inserted on the PCB 2. That is, the battery case 3 is disposed perpendicular to the PCB board 2, so that the use of the space in the housing of the electric energy meter can be reduced.

In the present embodiment, the spring 38 is riveted to positive and negative terminals (not shown) in the battery case 3.

While embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An improved electric energy meter, comprising a meter case (1) and a PCB board (2) positioned in the meter case (1), characterized in that:

the watch also comprises a battery box (3) which is positioned in the watch case (1) and used for installing a standby battery (4), wherein a first connecting head electrically connected with the standby battery (4) is arranged on the battery box (3);

the PCB is characterized in that a second connector is arranged on the PCB (2), the first connector and the second connector are connected in an inserting mode to achieve electric connection of the first connector and the second connector, and the battery box (3) is fixed relative to the PCB (2).

2. The electric energy meter of claim 1, wherein:

the first connecting head comprises a plug (31) formed on the battery box (3), and two jacks (32) electrically connected with the standby battery (4) are arranged on the plug (31);

the second connector is including setting up socket (21) on PCB board (2), be provided with cavity (22) that can supply plug (31) to insert wherein on socket (21), be provided with two first contact pin (23) that are connected and can insert in jack (32) with PCB board (2) electricity in cavity (22).

3. The electric energy meter of claim 2, wherein:

limiting blocks (33) are arranged on two sides of the plug (31), and limiting grooves (24) into which the limiting blocks (33) can be inserted are arranged on two corresponding sides of the cavity (22) of the socket (21);

the groove wall at one end of the opening of the limiting groove (24) is provided with a lug (25) for preventing the limiting block (33) from slipping from the limiting groove (24).

4. An electric energy meter according to claim 3, characterized in that:

the limiting block (33) is provided with first chamfers (34) at two ends in the length direction of the limiting groove (24), and second chamfers (26) are arranged at the end parts, close to one end of the opening of the limiting groove (24), of the protruding blocks (25).

5. The electric energy meter of claim 2, wherein:

the socket (21) is provided with a second pin (27) which enables the socket (21) to be fixed on the PCB (2) in an inserting mode.

6. The electric energy meter of claim 1, wherein:

be provided with on battery case (3) and supply stand-by battery (4) to place holding chamber (35) wherein, the one end in holding chamber (35) is provided with stand-by battery (4) butt in order to fix stand-by battery (4) in holding chamber (35) with carry out electric connection with stand-by battery (4) and jack (32) spring (36).

7. The electric energy meter of claim 6, wherein:

one end of the accommodating cavity (35) is provided with a fixing groove (37) into which the corresponding end of the spring (36) can be clamped, and a fixing block (38) for preventing the spring (36) from slipping from the fixing groove (37) is arranged on the bottom of the fixing groove (37).

8. The electric energy meter of claim 6, wherein:

a fool-proof groove (41) is formed in the standby battery (4), and a fool-proof plate (9) matched with the fool-proof groove (41) to prevent the positive and negative electrodes of the standby battery (4) from being reversely arranged is arranged in the accommodating cavity (35) of the battery box (3).

9. The electric energy meter of claim 5, wherein:

the plug (31) is arranged on the back of the battery box (3), the length direction of the insertion hole (32) is perpendicular to the back of the battery box (3), and the first insertion pin (23) is parallel to the PCB (2) when the second insertion pin (27) is inserted on the PCB (2).

10. The electric energy meter of claim 6, wherein:

and the spring (36) is connected with positive and negative terminals in the battery box (3) in a riveting manner.