CN201421467Y - Electronic energy meter capable of preventing electric shock in replacement of battery - Google Patents
Electronic energy meter capable of preventing electric shock in replacement of battery Download PDFInfo
- Publication number
- CN201421467Y CN201421467Y CN2009201358757U CN200920135875U CN201421467Y CN 201421467 Y CN201421467 Y CN 201421467Y CN 2009201358757 U CN2009201358757 U CN 2009201358757U CN 200920135875 U CN200920135875 U CN 200920135875U CN 201421467 Y CN201421467 Y CN 201421467Y
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- battery
- energy meter
- electric energy
- mechanical switch
- electric shock
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Abstract
The utility model relates to an electronic energy meter capable of preventing electric shock in the replacement of battery. The energy meter comprises a body of the electronic energy meter, a batterycase cover and a spare battery, wherein the body comprises a PCB module; and the battery case cover is arranged on the body of the electronic energy meter. The utility model is characterized in that the energy meter further comprises a mechanical switch which is arranged on the PCB module and is serially connected between the PCB module and the spare battery, and the a compression block for contacting and pressing the mechanical switch is arranged at the bottom of the battery case cover. The electronic energy meter is safe and reliable in the replacement of spare battery, and has the advantages of easy operation, good universality and simple structure.
Description
Technical field
The utility model relates to a kind of electronic electric energy meter, more particularly, relates to a kind of electronic electric energy meter of battery altering protection against electric shock.
Background technology
Use for the convenience of the user, electronic electric energy meter have outage back data presentation, infrared communication copy get the electric energy meter data, and have a power failure after functions such as User Status monitoring, the power supply of these functions is that the reserve battery by electric energy meter provides.Reserve battery is the exchangeable battery, when the operator changes reserve battery, not with under the electric energy meter power supply cut-out situation fully, electric shock accidents appears easily, for example: careless free-hand when touching to two point electrodes of reserve battery or battery mounting spring sheet, may cause operator's personal safety.
For preventing that electric energy meter from when changing reserve battery, causing operator's electric shock accidents.Present most of electric energy meter manufacturer in instructions and full position such as electric energy meter reserve battery lid the safety instruction of mark " battery is changed in the back that please cut off the power supply " is all arranged.Except the safety instruction method, connector plug protection against electric shock mode, and structural member in addition is the protection against electric shock mode fixedly.
The safety instruction electric shock prevention method does not obviously have to solve the potential safety hazard that has electric shock in the battery altering at all; Use connector plug protection against electric shock mode, the contact pin of connector just need be connected to battery by the cell voltage lead-in wire, negative two-stage, with the socket of welding connector on the electric energy meter motherboard, the contact pin of battery is connected with socket on the electric energy meter motherboard again, it bothers on processing technology, battery and lead, connector needs reprocessing, will guarantee the good insulation performance of connecting line and connector simultaneously, makes the versatility of battery poor.The mode of utilization structure spare embedded battery protection against electric shock, need structurally to design specially the draw-in groove of pintle hook lock reserve battery, when battery is installed, earlier battery is loaded in the structure draw-in groove, to be equipped with again in the structural member equipment and electric energy meter of battery, it makes structural design comparatively complicated, and the mounting spring sheet that battery is installed is exposed, and touch can cause electric shock accidents too accidentally.
The utility model content
The technical problems to be solved in the utility model is, good inadequately, the structure of the security defective of complexity, troublesome poeration, versatility difference when changing battery at the above-mentioned electric energy meter of prior art provides the electronic electric energy meter of a kind of safe and reliable when the reserve battery of replacing electronic electric energy meter, processing ease, versatility battery altering protection against electric shock good and simple in structure.
The technical scheme that its technical matters that solves the utility model adopts is: the electronic electric energy meter of constructing a kind of battery altering protection against electric shock, comprise the electronic electric energy meter body that contains the PCB module, be arranged on the battery case lid on the electronic electric energy meter body, and reserve battery, it is characterized in that, also comprise the mechanical switch that is arranged on the described PCB module, described mechanical switch is connected between described PCB module and the described reserve battery, and the bottom of described battery case lid is provided with the briquetting that is used to press described mechanical switch.
In the electronic electric energy meter of described battery altering protection against electric shock, described mechanical switch is a single-pole double-throw switch (SPDT).
In the electronic electric energy meter of described battery altering protection against electric shock, described briquetting when battery case lid is closed and described mechanical switch over against.
Implement the electronic electric energy meter of battery altering protection against electric shock of the present utility model, owing to adopt mechanical switch and briquetting, implementation structure interlocking mechanism switch, when opening battery case lid, briquetting on the battery case lid leaves mechanical switch gradually, mechanical switch is upspring, and battery and electric energy meter internal circuit disconnect fully, also can not touch the electric energy meter internal circuit even make operating personnel touch battery when changing battery; After battery altering is good, closed battery case lid, then briquetting presses mechanical switch and makes the mechanical switch closure, and then make reserve battery can give the electric energy meter in-line power, so, fool proof when the utility model is changed reserve battery, and simple in structure, processing ease, the versatility of battery is good.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation at place, mechanical switch place among the utility model one embodiment;
Fig. 2 is that the utility model is electrically connected synoptic diagram;
Fig. 3 is the structural representation of battery case lid among the utility model one embodiment;
Fig. 4 is the structural representation of mechanical switch among the utility model one embodiment.
Embodiment
The utility model is provided with mechanical switch 2 and briquetting 4 by adopting between the PCB of electric energy meter module 1 and battery case lid 5, the implementation structure linked switch to be cutting off being electrically connected between electric energy meter internal circuit and the reserve battery 3 fully, and need not the electric energy meter power supply is just cut off fully the battery of replacing electronic electric energy meter that can safety.
The specific implementation principle is extremely shown in Figure 4 referring to Fig. 1, Fig. 1 is the structural representation at place, mechanical switch place among the utility model one embodiment, Fig. 2 is that the utility model is electrically connected synoptic diagram, Fig. 3 is the structural representation of an embodiment of battery case lid, and Fig. 4 is the structural representation of an embodiment of mechanical switch.
Electronic electric energy meter in the utility model comprises: contain PCB module 1 the electronic electric energy meter body, be arranged on battery case lid 5 on the electronic electric energy meter body, and battery 3, also comprise the mechanical switch 2 that is arranged on the PCB module 1.Preferably, mechanical switch 2 is a single-pole double-throw switch (SPDT).Mechanical switch 2 is connected between PCB module 1 and the battery 3, the bottom of battery case lid 5 is provided with the briquetting 4 that is used to press mechanical switch 2, as long as briquetting 4 can contact with mechanical switch 2 when closed battery case lid 5 and exert pressure so that mechanical switch 2 closures for mechanical switch 2.Preferably, when battery case lid is closed, briquetting 4 and described mechanical switch 2 over against.
When the operator removed battery case lid 5 changing reserve battery, briquetting 4 was followed battery case lid 5 and is left mechanical switch 2 together gradually, and then mechanical switch 2 is upspring, and made battery 3 parts be connected thorough disconnection with electrical equipment between the electric energy meter motherboard.Even at this moment the operator does not cut off at electric energy meter and changes reserve battery 3 under the situation of power supply, can not cause electric shock accidents yet.After changing reserve battery 3, load onto battery case lid 5, briquetting 4 is followed battery case lid 5 and is pressed to mechanical switch 2, and mechanical switch 2 is just closed, makes reserve battery 3 can give the power supply of electric energy meter internal circuit.
Adopt mechanical switch to make cost low in the utility model, circuit is simple and reliable, if though and use switches such as photosensitive and Magnetic Induction switch also can realize the break-make of switch, its cost is higher relatively, structure is relatively complicated, and is subjected to the influence of factor such as optomagnetic and has reduced reliability.Disconnect and be electrically connected reliably and use to realize isolating fully between positive and negative two-stage that single-pole double-throw switch (SPDT) makes reserve battery 3 voltages and the electronic electric energy meter internal circuit.
So the electric energy meter that the utility model provides can realize that reserve battery does not injure the person when changing, even touch the electric shock accidents that battery mounting spring sheet also can not cause the operator accidentally.The part-structure of this protection against electric shock is simple, and highly versatile need not the secondary processing battery, has strengthened the versatility of battery, perfect solution the electric shock problem of electric energy meter in changing the reserve battery process, increased the electric energy meter safety in utilization.
Claims (3)
1, a kind of electronic electric energy meter of battery altering protection against electric shock, comprise the electronic electric energy meter body that contains PCB module (1), be arranged on battery case lid (5) on the electronic electric energy meter body, and battery (3), it is characterized in that, also comprise the mechanical switch (2) that is arranged on the described PCB module (1), described mechanical switch (2) is connected between described PCB module (1) and the described battery (3), and the bottom of described battery case lid (5) is provided with the briquetting (4) that is used to press described mechanical switch.
2, electronic electric energy meter according to claim 1 is characterized in that, described mechanical switch (2) is a single-pole double-throw switch (SPDT).
3, electronic electric energy meter according to claim 1 is characterized in that, described briquetting (4) when battery case lid is closed and described mechanical switch (2) over against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201358757U CN201421467Y (en) | 2009-03-26 | 2009-03-26 | Electronic energy meter capable of preventing electric shock in replacement of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201358757U CN201421467Y (en) | 2009-03-26 | 2009-03-26 | Electronic energy meter capable of preventing electric shock in replacement of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421467Y true CN201421467Y (en) | 2010-03-10 |
Family
ID=41808127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201358757U Expired - Fee Related CN201421467Y (en) | 2009-03-26 | 2009-03-26 | Electronic energy meter capable of preventing electric shock in replacement of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421467Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9429499B2 (en) | 2010-10-29 | 2016-08-30 | Agilent Technologies, Inc. | Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample |
| CN106953042A (en) * | 2017-03-08 | 2017-07-14 | 国网浙江省电力公司电力科学研究院 | A kind of integral type replaceable battery component and electric energy meter |
| CN113825040A (en) * | 2021-09-06 | 2021-12-21 | 贵州电网有限责任公司 | Automatic meter reading system capable of preventing power failure |
-
2009
- 2009-03-26 CN CN2009201358757U patent/CN201421467Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9429499B2 (en) | 2010-10-29 | 2016-08-30 | Agilent Technologies, Inc. | Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample |
| CN106953042A (en) * | 2017-03-08 | 2017-07-14 | 国网浙江省电力公司电力科学研究院 | A kind of integral type replaceable battery component and electric energy meter |
| CN113825040A (en) * | 2021-09-06 | 2021-12-21 | 贵州电网有限责任公司 | Automatic meter reading system capable of preventing power failure |
| CN113825040B (en) * | 2021-09-06 | 2023-11-10 | 贵州电网有限责任公司 | Automatic meter reading system capable of preventing power failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HEXCELL ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUALI NANFANG ELECTRONIC TECH CO., LTD., SHENZHEN |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Shahe West Road Xili tea light industrial zone Jiangxing Building 2 Building 7 layer Patentee after: Shenzhen Hexcell Electronics Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Shahe West Road Xili tea light industrial zone Jiangxing Building 2 Building 7 layer Patentee before: Shenzhen Huali Nanfang Electronic Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20130326 |