CN102509664B - Electric energy meter and key combined structure thereof - Google Patents
Electric energy meter and key combined structure thereof Download PDFInfo
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- CN102509664B CN102509664B CN201110353171.9A CN201110353171A CN102509664B CN 102509664 B CN102509664 B CN 102509664B CN 201110353171 A CN201110353171 A CN 201110353171A CN 102509664 B CN102509664 B CN 102509664B
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Abstract
The invention relates to an electric energy meter and a key combined structure thereof. The combined structure comprises an upper cover, a plurality of keys and a plurality of switch keys. The plurality of keys are embedded in the upper cover. The plurality of switch keys correspond to the plurality of keys, and are arranged on a printed circuit board (PCB) mainboard. Each key comprises a key column, a keycap and a key pressing plate, wherein the keycap is embedded into the upper cover, and covers the top end of the key column; the key pressing plate has a through hole; the key column penetrates through the through hole; and the bottom end of the key column is opposite to a corresponding switch key, and directly contacts the corresponding switch key when pressing the keycap. The key columns and the key pressing plates are added, and conductive particles and a key PCB are eliminated, so that the aim of key-pressing operation is fulfilled by pressing down the keys to make the key columns directly act on the switch keys when the electric energy meter is used, and the electric energy meter and the key combined structure thereof have high antistatic capability, sealing performance and water tightness.
Description
Technical field
The invention belongs to electric energy meter technical field, be specifically related to a kind of electric energy meter and key combined structure thereof.
Background technology
Electric energy meter has huge development potentiality in China, although start late, the impetus is very swift and violent.In view of China vast in territory, the electric network composition of various places and even same city zones of different, electrical network layout and load condition are under not identical actual conditions, in line with the principle that reduces costs, improves reliability, suit measures to local conditions to develop various suitable intelligent electric energy meters.Like this, city or power administration can really realize that electric energy is monitored automatically, dispatching management information system, make the electric energy automatic management level of China stride forward major step.
Electric energy meter generally includes watchcase and the functional unit in watchcase, such as PCB mainboard, LCD MODULE, communication module etc. is installed.Wherein, the structure of watchcase is part comparatively complicated in electric energy meter, and press-key structure is electric energy meter important composition parts.Electric energy meter button is conducting silica gel key in the market, needs to have conductive particle and button pcb board under silica gel push-button, make that anti-static ability is low, assembling and produce very inconvenient.
Summary of the invention
In view of this, provide electric energy meter and the key combined structure thereof that a kind of water-tight and anti-static ability are strong.
A kind of electric energy meter key combined structure, it comprises upper cover and is embedded at a plurality of buttons in upper cover and relative with a plurality of buttons and be arranged in a plurality of switch keys on a PCB mainboard, described button comprises button post, be embedded in upper cover and be covered on button cap and the button pressing plate of button capital end, described button pressing plate has through hole, described button post runs through described through hole, the bottom of described button post is faced with a corresponding switch key and is directly contacted with corresponding switch key when pressing keys cap, the top anchor ring of described button post has recessed neck, the feather edge of described button cap inwardly convexes with correspondence and is embedded in the shade in recessed neck, described button post is upper and lower symmetrical structure, described button pressing plate limits in downward one of the peritreme of its through hole the Kong Zhu that described button post carries out axial lifting.
And, a kind of electric energy meter, it comprises base and is installed on the PCB mainboard on base, also comprise above-mentioned electric energy meter key combined structure, upper cover and the base of described electric energy meter key combined structure are bonded with each other.
In described electric energy meter and key combined structure thereof, increase button post and button pressing plate, button post is directly in the face of switch key, cancel conductive particle and button pcb board, thereby push button in use, by power, by the button post on button, direct effect, to the switch key being fixed on PCB mainboard, reaches the object of button operation.And, by button post, strengthened the physical distance between shell (concrete as upper cover) and PCB mainboard, improve anti-static ability; Between PCB mainboard and upper cover, there is no connecting line, easy to assembly.In addition, button pressing plate has protective action, can prevent generation of static electricity, and button pressing plate can limit button surrounding, assurance electric energy meter inner sealing; Improve water-tight ability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the electric energy meter key combined structure cutaway view of the embodiment of the present invention;
Fig. 2 is the electric energy meter key combined structure perspective exploded view in Fig. 1;
Fig. 3 is the electric energy meter cutaway view with the key combined structure in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 and 2, the electric energy meter key combined structure 10 that shows the embodiment of the present invention, it comprises upper cover 11 and is embedded at a plurality of buttons 12 in upper cover 11 and relative with a plurality of buttons 12 and be arranged in a plurality of switch keys 15 on a PCB mainboard 22, button 12 comprises button post 121, be embedded in upper cover 11 and be covered on button cap 122 and the button pressing plate 123 on button post 121 tops, button pressing plate 123 has through hole 124, button post 121 runs through described through hole 124, the bottom of button post 121 is faced with a corresponding switch key 15 and is directly contacted with corresponding switch key 15 when pressing keys cap 122.
As shown in Figure 2, upper cover 11 is the lid that Open Side Down, is provided with a plurality of key holes 112, for being embedded a plurality of button caps 122.A plurality of buttons 12 are arranged according to certain ranks, for example, conventionally adopt the spread pattern of 3*4, are not limited to this.
Particularly, as shown in Figure 1, the button cap 122 of a plurality of buttons 12 structure that is connected in one.A plurality of button caps 122 of this integrative-structure connect as one by the stand bar structure 13 being placed on button pressing plate 123, and a plurality of button caps 122 of this integrative-structure are supported on button pressing plate 123 by stand bar structure 13.Preferably, the silica gel structure of a plurality of button caps 121 of integrative-structure and stand bar structure 13 for being integrally connected, the version that all adopts silica gel material to make, is convenient to one-body moldedly, easy to make like this, and gives certain elasticity.
Stand bar structure 13 comprises a plurality of legs 131 and a plurality of foot pad 132 being placed on button pressing plate 123, the surrounding root edge of each button cap 122 is connected to foot pad 132 by leg 131 respectively and is supported on foot pad 132, and the surrounding of each foot pad 132 is connected to button cap 122 by leg 131 respectively.Leg 131 is relatively thin, to show good elasticity.The leg that is supported on the surrounding of each button cap 122 can be the leg of integrative-structure, be tack taper flake structure, also the surrounding root edge can be regarded as by cap 122 tiltedly extends downward foot pad 132 and is supported on the bucket shape structure on foot pad 132, the present embodiment adopts this structure, is convenient to install.In another specific embodiment, the leg that is supported on the surrounding of each button cap 122 can be also four independent legs, and a button cap 122 is supported by four of surrounding independent legs.Also, the leg 131 of support keys cap 122 is angled with button cap 122, for example, be approximately 45-60 °, and this angle is only for example, is not limited to this.Leg 131 is supported on the surrounding of button cap 122 obliquely, like this, and when pressing keys cap 122, leg 131 has certain elasticity, be convenient to button cap 122 and press down, due to the support of foot pad 132, arbitrary button cap 122 presses down Shi Buhui and affects other button caps 122 and button post 121.Foot pad 132 can be also independent a plurality of foot pad forms, also can be connected by a plurality of foots pad 132, is connected to and is integrated in length and breadth.The present embodiment adopts the foot pad form being connected, and is convenient to install.
Further, the foot pad 132 that is positioned at stand bar structure 13 outer most edge has location structure, and upper cover 11 inner surface correspondences are provided with the aligning structure mutually fastening with location structure.Particularly, as shown in Figure 1, location structure is location hole 134, and aligning structure is contraposition post 114.In another specific embodiment, when location structure is reference column, aligning structure is registration holes.The location structure aligning structure that is appreciated that mutual fastening is not limited to this, and the mechanical structure mutually fastening arbitrarily is all applicable to this.By this fastening structure, on the one hand, upper cover is pushed down stand bar structure 13, to be retained on button pressing plate 123; On the other hand, this structure can for example seal to its inner member stand bar structure 13 to button post 121, PCB mainboard 22, prevent that aqueous vapor from leaking into from upper cover 11 in, play the function of water-tight.
Further, the surrounding of button pressing plate 123 convexes with rib, to stop the foot pad 132 of stand bar structure 13 outer most edge to be outwards offset.Button pressing plate 123 be arranged in parallel with upper cover 11, and button cap 122 presses down while putting in place and is resisted against on button pressing plate 123, and button pressing plate 123 limits in downward one of the peritreme of its through hole 124 the hole post 128 that button post 122 carries out axial lifting.
The top anchor ring of button post 121 has recessed neck 125, and the feather edge of button cap 122 inwardly convexes with correspondence and is embedded in the shade 126 in recessed neck 125.Leg 131 is supported in the base outer rim of button cap 122.In illustrated embodiment, button post 121 bottom anchor rings also have recessed neck 125, thereby form projection at the middle part of button post 121.Therefore, as shown in Figure 1, button post 121 is upper and lower symmetrical structure, and like this, when reinstalling, arbitrarily turned upside down transposing, installs, convenient and swift.Button cap 122 is silica gel material, and top and its shade 126 that can be locked at an easy rate at button post 121 are embedded in recessed neck 125.
Refer to Fig. 3, the electric energy meter 20 that shows the electric energy meter key combined structure 10 with the embodiment of the present invention, it comprises base 21 and is installed on the PCB mainboard 22 on base 21, also comprises above-mentioned electric energy meter key combined structure 10, and upper cover 11 and the base 21 of key combined structure 10 are bonded with each other.Example as shown in Figure 2, by the fixing feet 113 of upper cover 11, for base 21 on installing hole or the respective outer side edges such as groove.Further, two flanks of button pressing plate 123 have foramen alare 129, the screw 17 by inserting foramen alare 129 fixedly button 12 on upper cover 11.
Above-mentioned electric energy meter 20 and key combined structure 10 thereof at least have the following advantages:
1. this electric energy meter key combined structure 10 is cancelled conductive particle and button pcb board, is increased button post 122 and button pressing plate 123, as shown in Figure 1, during use, push button 12, by power, pass through the button post 122 on button 12, direct effect, to the switch key 15 being fixed on PCB mainboard 22, reaches the object of button operation;
2. button post 122 has strengthened the physical distance between shell (being specially upper cover 11) and PCB mainboard 22, can improve anti-static ability; Between PCB mainboard 22 and upper cover 11, there is no connecting line, easy to assembly;
3. button pressing plate 123 has protective action, can prevent generation of static electricity; And button pressing plate 123 can stop button 12 surroundings, upper cover 11 can be pushed down the surrounding of stand bar structure 13, guarantees electric energy meter inner sealing water resistance;
Key combined structure 10 be difficult for aging, make operation more reliable feel might as well;
5. in production debug process, directly use the switch key on PCB mainboard 22 just can complete, convenient for production.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. an electric energy meter key combined structure, it comprises upper cover and is embedded at a plurality of buttons in upper cover and relative with a plurality of buttons and be arranged in a plurality of switch keys on a PCB mainboard, it is characterized in that, described button comprises button post, be embedded in upper cover and be covered on button cap and the button pressing plate of button capital end, described button pressing plate has through hole, described button post runs through described through hole, the bottom of described button post is faced with a corresponding switch key and is directly contacted with corresponding switch key when pressing keys cap, the top anchor ring of described button post has recessed neck, the feather edge of described button cap inwardly convexes with correspondence and is embedded in the shade in recessed neck, described button post is upper and lower symmetrical structure, described button pressing plate limits in downward one of the peritreme of its through hole the Kong Zhu that described button post carries out axial lifting.
2. electric energy meter key combined structure as claimed in claim 1, is characterized in that, the button cap of the described a plurality of buttons structure that is connected in one.
3. electric energy meter key combined structure as claimed in claim 2, it is characterized in that, a plurality of button caps of described integrative-structure connect as one by the stand bar structure being placed on button pressing plate, and a plurality of button caps of described integrative-structure are supported on described button pressing plate by stand bar structure.
4. electric energy meter key combined structure as claimed in claim 3, is characterized in that, a plurality of button caps of described integrative-structure and stand bar structure are the silica gel structure being integrally connected.
5. electric energy meter key combined structure as claimed in claim 3, it is characterized in that, described stand bar structure comprises a plurality of legs and is placed in the foot pad on button pressing plate, the surrounding root edge of each button cap is connected to foot pad by leg respectively and is supported on foot pad, and the surrounding of each foot pad is connected to button cap by leg respectively.
6. electric energy meter key combined structure as claimed in claim 5, it is characterized in that, the foot pad that is positioned at described stand bar structure outer most edge has location structure, described upper interior surface correspondence is provided with the aligning structure mutually fastening with described location structure, and described button pressing plate surrounding is provided with the rib of the outside skew of foot pad that stops outer most edge.
7. electric energy meter key combined structure as claimed in claim 6, is characterized in that, when described location structure is reference column, described aligning structure is registration holes, and when described location structure is location hole, described aligning structure is contraposition post.
8. electric energy meter key combined structure as claimed in claim 1, is characterized in that, described button pressing plate and described upper cover be arranged in parallel, and described button cap presses down while putting in place and is resisted against on described button pressing plate.
9. an electric energy meter, it comprises base and is installed on the PCB mainboard on base, characterized by further comprising the electric energy meter key combined structure as described in claim 1-8 any one, upper cover and the base of described electric energy meter key combined structure are bonded with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110353171.9A CN102509664B (en) | 2011-11-09 | 2011-11-09 | Electric energy meter and key combined structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110353171.9A CN102509664B (en) | 2011-11-09 | 2011-11-09 | Electric energy meter and key combined structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102509664A CN102509664A (en) | 2012-06-20 |
| CN102509664B true CN102509664B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110353171.9A Active CN102509664B (en) | 2011-11-09 | 2011-11-09 | Electric energy meter and key combined structure thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208381A (en) * | 2013-04-17 | 2013-07-17 | 深圳市福田区青少年科技教育协会 | Moisture-proof switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233410Y (en) * | 2008-07-29 | 2009-05-06 | 杭州正华电子科技有限公司 | Water proof push button for electric meter |
| CN201282051Y (en) * | 2008-10-29 | 2009-07-29 | 深圳市航盛电子股份有限公司 | Water-proof key-press operating panel device |
| CN202352566U (en) * | 2011-11-09 | 2012-07-25 | 深圳市航天泰瑞捷电子有限公司 | Electric energy meter and keystroke composite structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005203114A (en) * | 2004-01-13 | 2005-07-28 | Kokusai Denki Engineering:Kk | Key button assembly structure |
| JP2009070657A (en) * | 2007-09-12 | 2009-04-02 | Hitachi Kokusai Denki Engineering:Kk | Push button for electronic device |
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2011
- 2011-11-09 CN CN201110353171.9A patent/CN102509664B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233410Y (en) * | 2008-07-29 | 2009-05-06 | 杭州正华电子科技有限公司 | Water proof push button for electric meter |
| CN201282051Y (en) * | 2008-10-29 | 2009-07-29 | 深圳市航盛电子股份有限公司 | Water-proof key-press operating panel device |
| CN202352566U (en) * | 2011-11-09 | 2012-07-25 | 深圳市航天泰瑞捷电子有限公司 | Electric energy meter and keystroke composite structure |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-203114A 2005.07.28 |
| JP特开2009-70657A 2009.04.02 |
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| CN102509664A (en) | 2012-06-20 |
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Inventor after: Zhou Daoping Inventor after: Li Gangqiang Inventor after: Lv Xiaojing Inventor before: Li Gangqiang Inventor before: Lv Xiaojing |
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