CN215342803U

CN215342803U - Electric energy meter

Info

Publication number: CN215342803U
Application number: CN202120901352.XU
Authority: CN
Inventors: 吴小芳; 魏章波; 林国庆; 罗崇
Original assignee: Ningbo Sanxing Medical and Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd; Ningbo Sanxing Medical and Electric Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-28
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to an electric energy meter, which comprises a meter shell provided with a mounting opening, a PCB (printed circuit board) positioned in the meter shell, a battery, a mounting seat with a positive electrode and a negative electrode, wherein the position of the PCB corresponding to the mounting opening is provided with the mounting seat, the electric energy meter also comprises a battery box which can enable the battery to be arranged in the mounting seat from one side of the battery box, and the battery box can be inserted from the mounting opening and is matched and fixed with the mounting seat to enable the battery to be in close contact fit with the positive electrode and the negative electrode on the mounting seat. The battery of the electric energy meter is very convenient to replace and is stable and reliable to use.

Description

Electric energy meter

Technical Field

The utility model relates to the technical field of electric energy meters, in particular to an electric energy meter with a battery needing to be replaced.

Background

After the commercial power is cut off, in order to enable the electric energy meter to normally display and transmit data, a battery is usually arranged in the electric energy meter, in some countries and regions, the electric energy meter adopts a non-rechargeable battery, and the battery needs to be replaced after being used for a period of time. In the prior art, a battery mounting opening is usually formed in a case, a battery is mounted in the mounting opening, and then the mounting opening is covered by a battery cover, and the battery is communicated with an internal electrode of an electric energy meter under the pushing action of the battery cover. However, the battery mounting structure is inconvenient to take out the battery when the battery is replaced, the operation is troublesome, and the battery cover is opened for a plurality of times, so that the battery can be not firmly covered, and the problems of poor contact between the battery and an internal electrode and the like can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide an electric energy meter with easy battery replacement and good use stability.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides an electric energy meter, includes the watchcase that is provided with the installing port, is located PCB board and the battery of watchcase, its characterized in that:

the electric energy meter also comprises a battery box which can enable the battery to be arranged from one side of the electric energy meter, and the battery box can be inserted from the mounting opening and is matched and fixed with the mounting seat so that the battery is in close contact and matching with the positive and negative electrodes on the mounting seat.

Further, the battery case includes the riser of two relative settings and connects the first diaphragm of two risers, and two risers are close to PCB board one end and all are equipped with the dog, the battery inserts to inlay and establishes between first diaphragm and dog, riser one side is equipped with along length direction in order to prevent the spacing of battery from this sideslip play.

Furthermore, a fool-proof structure for preventing the reverse installation of the anode and the cathode of the battery is arranged on the stop block.

Furthermore, be equipped with the second diaphragm that sets up with first diaphragm interval on the riser, be equipped with battery backup between first diaphragm and the second diaphragm, just spacing extends to and can carry out spacing position to battery backup correspondence side.

Furthermore, be equipped with on the mount pad and supply the battery and hold holding tank wherein, the tank bottom of holding tank is equipped with the negative electrode that can contact with the battery negative pole, be equipped with the positive electrode that can contact with the battery positive pole on the cell wall of holding tank to and a plurality of fixture block that can fix the battery joint in the tank bottom.

Furthermore, the battery box still includes the handle that links to each other respectively with the one end that two risers are kept away from the PCB board.

Furthermore, be equipped with on the riser and extend and the enhancement strip of perpendicular to riser along riser length direction, the both ends of handle link to each other with two enhancement strips respectively.

Furthermore, one of the reinforcing strips is provided with an elastic sheet which is deformed when the battery box is inserted into the mounting opening and is restored to be deformed after the battery box is inserted so that the free end of the elastic sheet is abutted against the inner wall of the watch case.

Further, the battery box further comprises a cover plate arranged between the second transverse plate and the handle.

Furthermore, a lead sealing hole is formed in one of the reinforcing strips, and a lead sealing groove matched with the lead sealing hole for lead sealing is formed in the watch case.

Compared with the prior art, the utility model has the advantages that: through setting up the battery case, insert the battery from battery case one side in the battery case, then the battery case that will be equipped with the battery inserts the installing port and is blocked and can accomplish the assembly until the battery by the fixture block, when needing to be changed the battery, only need to extract the battery case and can change the battery, it is very convenient to operate, and the battery case is fixed through fixture block joint battery in addition, even change the battery many times also can guarantee the good contact of battery and positive and negative electrode, thereby improve the reliability in utilization and the stability of electric energy meter, and improve life.

Drawings

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

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

Fig. 3 is a schematic structural diagram of a mounting seat on a PCB of the electric energy meter of the present application.

Fig. 4 is a schematic structural diagram of a battery box of the electric energy meter according to the present application.

Fig. 5 is a schematic structural view of the battery box of the electric energy meter in another direction.

Fig. 6 is a schematic view of the external structure of the battery of the present application.

Figure 7 is a schematic view of the structure of the watch case of 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 7, which are schematic structural views of a preferred embodiment of the present invention, as shown in the drawings, the electric energy meter comprises a case 1 provided with a mounting opening 11, a PCB 2 positioned in the case 1, and a battery 3, wherein the PCB 2 is provided with a mounting seat 21 having positive and negative electrodes at a position corresponding to the mounting opening 11, the electric energy meter further comprises a battery box 4 capable of allowing the battery 3 to be inserted from one side thereof, and the battery box 4 is inserted from the mounting opening 11 and is matched and fixed with the mounting seat 21 so that the battery 3 is tightly contacted and matched with the positive and negative electrodes on the mounting seat 21.

Specifically, battery case 4 includes two riser 41 that set up relatively and connects the first diaphragm 42 of two riser 41, and two risers 41 are close to PCB board 2 one end and all are equipped with dog 43, and battery 3 inserts and inlays and establish between first diaphragm 42 and dog 43, and riser 41 one side is equipped with along length direction in order to prevent that battery 3 from the spacing 44 of this side roll-off. When assembling the battery 3, only the battery 3 needs to be inserted into the battery box 4 from one side of the battery box 4 until the battery 3 is abutted against the limiting strip 44, and the operation is very convenient.

As a person skilled in the art, it should be understood that the battery 3 for the electric energy meter is a button-type lithium battery, one side of the battery 3 is a negative electrode, the other side and the periphery of the battery are both communicated with a positive electrode of the battery 3, and the edge of the negative electrode side of the battery 3 is provided with an arc chamfer 31. In order to prevent the reverse installation of the positive and negative electrodes of the battery 3 when the battery 3 is installed, the stopper 43 is provided with a fool-proof structure 431 for preventing the reverse installation of the positive and negative electrodes of the battery 3. It should be noted that, as described above, both the positive and negative electrodes are disposed on the mounting seat 21, so that the assembly of the battery 3 can be performed only by orienting the negative electrode of the battery 3 toward the mounting seat 21. Specifically, the fool-proof structure 431 is a step provided on the stopper 43, and may also be a chamfer provided on the stopper 43, as those skilled in the art can easily think of the fool-proof structure after knowing the structure of the battery 3, and the details are not described here, and only the fool-proof structure 431 is shown in the drawings as a step.

In this embodiment, the vertical plate 41 is provided with a second horizontal plate 45 spaced from the first horizontal plate 42, a standby battery (not shown in the figure) is arranged between the first horizontal plate 42 and the second horizontal plate 44, and the limiting strip 44 extends to a position where the limiting can be performed on the corresponding side of the standby battery, that is, the limiting strip 44 at least extends out of the second horizontal plate 45 to be capable of abutting against the corresponding side of the standby battery. Through the setting of backup battery, when carrying out the electric energy meter and overhaul, if discovery battery 3 does not have the electricity after can in time changing, improve maintenance efficiency.

In this embodiment, the mounting seat 21 is provided with a receiving groove 22 for receiving the battery 3 therein, a negative electrode 23 capable of contacting with a negative electrode of the battery 3 is provided at a bottom of the receiving groove 22, a positive electrode 24 capable of contacting with a positive electrode of the battery 3 is provided at a wall of the receiving groove 22, and a plurality of locking blocks 25 for locking and fixing the battery 3 in the bottom of the receiving groove. The battery 3 is clamped at the bottom of the accommodating groove 22 through the clamping block 25, so that the mounting seat 21 and the battery box 4 can be fixed relatively, the battery 3 can be in close contact with the positive electrode and the negative electrode on the mounting seat 21, and the contact stability is ensured.

In order to facilitate the removal of the battery case 4 when replacing the battery 3, the battery case 4 further includes a handle 46 connected to each of the ends of the two vertical plates 41 remote from the PCB 2.

In order to prevent the fracture of the connection position between the handle 46 and the vertical plate 41, the vertical plate 41 is provided with a reinforcing strip 47 which extends along the length direction of the vertical plate 41 and is perpendicular to the vertical plate 41, and two ends of the handle 46 are respectively connected with the two reinforcing strips 47, so that the area of the connection position between the handle 46 and the vertical plate 41 can be increased, the connection position is not easy to fracture, and the service life is prolonged.

In this embodiment, one of the reinforcing bars 47 is provided with a spring plate 48 which is deformed when the battery case 4 is inserted into the mounting opening 11 and which is deformed again after the battery case 4 is inserted so that its free end abuts against the inner wall of the case 1. This makes it possible to make the assembly of the battery case 4 more stable.

In this embodiment, the battery box 4 further includes a cover plate 49 connected to the two reinforcing bars 47 and disposed between the second cross plate 45 and the handle 46, so that foreign materials such as external dust can be prevented from entering the battery box 4.

In order to further improve the assembling stability of the battery box 4, a lead sealing hole 471 is arranged on one of the reinforcing strips 47, and a lead sealing groove 12 for performing lead sealing in cooperation with the lead sealing hole 471 is formed in the case 1.

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. The utility model provides an electric energy meter, is including watchcase (1) that is provided with installing port (11), is located PCB board (2) and battery (3) in watchcase (1), its characterized in that:

the electric energy meter is characterized in that a mounting seat (21) with positive and negative electrodes is arranged on the PCB (2) at a position corresponding to the mounting opening (11), the electric energy meter further comprises a battery box (4) enabling the battery (3) to be mounted from one side of the battery box, and the battery box (4) can be inserted from the mounting opening (11) and is matched and fixed with the mounting seat (21) so that the battery (3) is in close contact fit with the positive and negative electrodes on the mounting seat (21).

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

battery case (4) include riser (41) and first diaphragm (42) of connecting two riser (41) of two relative settings, and two riser (41) are close to PCB board (2) one end and all are equipped with dog (43), battery (3) are inserted and are inlayed and establish between first diaphragm (42) and dog (43), riser (41) one side is equipped with spacing (44) in order to prevent that battery (3) from this side roll-off along length direction.

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

the stop block (43) is provided with a fool-proof structure (431) for preventing the reverse installation of the anode and the cathode of the battery (3).

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

be equipped with on riser (41) with second diaphragm (45) that first diaphragm (42) interval set up, be equipped with battery backup between first diaphragm (42) and second diaphragm (45), just spacing (44) extend to and to carry out spacing position to battery backup correspondence side.

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

be equipped with on mount pad (21) and supply battery (3) to hold holding tank (22) wherein, the tank bottom of holding tank (22) is equipped with negative electrode (23) that can contact with battery (3) negative pole, be equipped with on the cell wall of holding tank (22) can with battery (3) anodal positive electrode (24) of contact to and a plurality of fixture block (25) of fixing battery (3) joint in the tank bottom.

6. The electric energy meter of claim 4, wherein:

the battery box (4) further comprises handles (46) which are respectively connected with one ends of the two vertical plates (41) far away from the PCB (2).

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

be equipped with on riser (41) and extend and perpendicular to riser (41) enhancement strip (47) along riser (41) length direction, the both ends of handle (46) link to each other with two enhancement strips (47) respectively.

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

one of the reinforcing strips (47) is provided with an elastic sheet (48) which deforms when the battery box (4) is inserted into the mounting opening (11) and restores to deform after the battery box (4) is inserted so that the free end of the elastic sheet is abutted against the inner wall of the watch case (1).

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

the battery box (4) further comprises a cover plate (49) arranged between the second transverse plate (45) and the handle (46).

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

one of the reinforcing strips (47) is provided with a lead sealing hole (471), and the watchcase (1) is provided with a lead sealing groove (12) which is matched with the lead sealing hole (471) for lead sealing.