CN2704888Y - Electronic card with grounded structure - Google Patents
Electronic card with grounded structure Download PDFInfo
- Publication number
- CN2704888Y CN2704888Y CN 200420042490 CN200420042490U CN2704888Y CN 2704888 Y CN2704888 Y CN 2704888Y CN 200420042490 CN200420042490 CN 200420042490 CN 200420042490 U CN200420042490 U CN 200420042490U CN 2704888 Y CN2704888 Y CN 2704888Y
- Authority
- CN
- China
- Prior art keywords
- electronic cards
- ground structure
- conductive shell
- earth element
- tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an electronic card with grounded structure, comprising a conductive casing, a plastic rubber frame associated with the conductive casing, a base plate provided with a grounded pad and housed in the plastic rubber frame, and a grounded element which is in integral forming with the conductive casing. The grounded element goes through the plastic rubber frame and is electrically conducted with the grounded pad of the base plate, so as to make the grounded pad of the base plate, the grounded element and the conductive casing form a discharge path.
Description
Technical field
The utility model refers to a kind of small electronic card of tool ground structure especially about a kind of ground structure.
Background technology
At present common electronic cards is used very wide, and the trend of miniaturization is gradually arranged, such as data card (moderncard), network card (Local Area Network card, LAN card) and storage card (memory card) etc.The common international standards of electronic cards have pcmcia card and flash memory cards (Compact Flash card, CF card) and safe digital card (secure digital card) or multimedia storage card (multimediamemory card, MMC CARD) etc., and new specification standards also constantly the development in the middle of.Though the specification details of these electronic cards is variant, the mode of its encapsulation and structure are then similar.In general, the encapsulation of electronic cards must provide enough physical strength and electric property, and must meet some certain criteria (standard) standard at least.
Because, electronic cards is a portable device, it very easily is subjected to the impact of Electrostatic Discharge when frequently pulling out with the human body contact or by the electronic installation that is connected, can be discharged to printed circuit board (PCB) by human body or the static that the fellow produced, make printed circuit board (PCB) produce a high-voltage pulse, if can't carry out the action of static discharge fast to printed circuit board (PCB), this high-voltage pulse static will damage the electronic component of printed circuit board (PCB), and causes the unstable properties or the damage of electronic cards.
And traditional electronic cards encapsulating structure is to utilize two plastic plate clampings, one printed circuit board (PCB) up and down, and the mode of binding with viscose is adhered together two plastic plates again, and then seals this printed circuit board (PCB).This kind electronic cards is to encapsulate with plastic plate, therefore when human body touches the printed circuit board (PCB) of electronic cards or electronic cards and is pulled out by the electronic installation of connection, human body or the static that the fellow produced will be discharged on the printed circuit board (PCB), because plastic plate does not have the effect of conduction, therefore high-voltage pulse static can't be got rid of the electronic component that will damage printed circuit board (PCB), and causes the unstable properties or the damage of electronic cards.
Though industry proposes another kind of electronic cards encapsulating structure at present, it is to utilize plastic cement frame (plastic frame) clamping one printed circuit board (PCB), again with anchor clamps/frock appliance (tool) riveted two conductive shells (metalcover) up and down, and then seal this plastic cement frame and printed circuit board (PCB).Though but this kind encapsulating structure uses the conductive shell with electric conductivity, but, printed circuit board (PCB) does not directly contact with conductive shell, the static on conductive shell surface can only be got rid of, when human body or the static discharge that the fellow produced during to printed circuit board (PCB), still the high-voltage pulse static on the printed circuit board (PCB) can't be got rid of, thus, can cause the unstable properties or the damage of electronic cards equally.About the technology of this part, be can be with reference to Taiwan patent announcement number No. 482305, No. 471673 and No. 549688.
Therefore, how to develop a kind of electronic cards of improving above-mentioned prior art disappearance and strengthening small electronic card electrostatic defending effect, real in pressing for the problem of solution at present.
The utility model content
Fundamental purpose of the present utility model is to provide a kind of electronic cards of tool ground structure, the high-voltage pulse static on the printed circuit board (PCB) can't be got rid of with the encapsulating structure that solves the traditional electrical subcard, causes problems such as the unstable properties of electronic cards or damage easily.
For reaching above-mentioned purpose, according to the electronic cards of the utility model a kind of tool ground structure on the one hand, it comprises: a conductive shell; One plastic frame body, it combines with this conductive shell; One substrate, it has a ground pad and is placed in this plastic frame body; And an earth element, itself and this conductive shell is integrally formed, and this ground pad of passing this plastic frame body and this substrate electrically conducts, so that this ground pad of this substrate, this earth element and this conductive shell form a discharge path.
In embodiment, this above-mentioned substrate is a printed circuit board (PCB), its have a grounding circuit and be laid with storer with and/or electronic component, wherein, this ground pad (ground pad) is to be electrically connected with this grounding circuit, and this earth element is made with conductive metallic material.
The conception above-mentioned according to the utility model, wherein this electronic cards is a safe digital card (secure digitalcard, SD CARD), a multimedia storage card (multimedia memory card, MMC CARD), a dish or an intelligent storage card with oneself.
According to the electronic cards of the utility model a kind of tool ground structure on the other hand, it comprises: a conductive shell; One plastic frame body, it has a perforate and combines with this conductive shell; One substrate, it is placed in this plastic frame body and this perforate of corresponding to this plastic frame body has a ground pad; And an earth element, it is electrically connected with this ground pad of this substrate, and this perforate and this conductive shell that its part-structure passes this plastic frame body electrically conduct, so that this ground pad of this substrate, this earth element and this conductive shell form a discharge path.
In embodiment, this above-mentioned earth element is made with conductive metallic material, and is a spring wire.
The conception above-mentioned according to the utility model, this electronic cards are a safe digital card (secure digital card, SD CARD), a multimedia storage card (multimedia memory card, MMC CARD), dish or intelligent storage card with oneself.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of electronic cards of the tool ground structure of the utility model first preferred embodiment.
Fig. 2 (a) is the decomposition texture synoptic diagram of electronic cards of the tool ground structure of the utility model second preferred embodiment.
Fig. 2 (b) is earth element shown in Fig. 2 (a) and printed circuit board (PCB) contacting structure synoptic diagram.
Embodiment
Fundamental purpose of the present utility model is to provide a kind of electronic cards of tool ground structure, it is arranged at earth element the Package boxes inside of electronic cards, with so that form between conductive shell and the printed circuit board (PCB) and electrically conduct, when human body or the static discharge that the fellow produced are to printed circuit board (PCB), static will be via printed circuit board (PCB), the formed discharge path of earth element and conductive shell is discharged to conductive shell, so can avoid the destruction that electronic component produced of static to printed circuit board (PCB), high-voltage pulse static on this printed circuit board (PCB) can't be got rid of in order to do the encapsulating structure that solves the traditional electrical subcard, cause problems such as the unstable properties of electronic cards or damage easily.
The electronic cards that the utlity model has ground structure is mainly used in safe digital card (secure digitalcard, SD CARD) or multimedia storage card (multimedia memory card, MMC CARD) small electronic card such as, certainly general common on the market electronic cards, for example dish, intelligent storage card, data card (modern card), network card (Local Area Network card, LAN card) and storage card (memory card) etc. also can be used technology of the present utility model with oneself.
See also Fig. 1, it is the structural representation of the electronic cards with ground structure of the utility model first preferred embodiment.As shown in the figure, the structure shown in the present embodiment is the encapsulating structure of a multimedia storage card, and its main member comprises conductive shell 11, plastic frame body 12, substrate 13 and earth element 14.
Conductive shell 11 is arranged on the top end face of plastic frame body 12, and a plurality of holes 111 are laid at its edge, but not as limit, in order to the connecting portion that combines with plastic frame body 12 as conductive shell 11.In addition, plastic frame body 12 has two perforates 121 and accommodation space 122, and the part-structure of earth element 14 passes perforate 121 and electrically contacts with conductive shell 11, and accommodation space 122 is in order to the electronic component on the ccontaining substrate 13.And plastic frame body 12 can be by imbedding processing modes such as ejaculation (INSERT MOLDING), implantation, buckle, ultrasound wave joint or high frequency joint, make plastic frame body 12 and conductive shell 11 closely combine, thus, when electronic cards when influenced by external force or deflection strength, between plastic frame body 12 and the conductive shell 11 with regard to problem such as can not recurring structure loosening, that physical strength is not good or come off.
As shown in the figure, substrate 13 is a printed circuit board (PCB), and its surface is laid with storer 131, electronic component 132 and a plurality of conductive spacer 133.In the present embodiment, the 3rd and the 6th conductive spacer the 1333, the 1336th of this conductive spacer 133 is connected with the grounding circuit (not shown) of printed circuit board (PCB) 13, promptly as ground pad (ground pad).And earth element 14 is made with conductive metallic material, and with spring wire is good, its part is to electrically connect with the ground pad 1333 of printed circuit board (PCB) 13 and 1336, and another perforate 121 of partly passing plastic frame body 12 electrically connects with conductive shell 11, and then make the ground pad 1333 of printed circuit board (PCB) 13,1336 form a discharge path with earth element 14 and conductive shell 11, when touching electronic cards or electronic cards, human body pulls out by the electronic installation that connects, the static discharge that is produced is to printed circuit board (PCB) the time, can be via earth element 14 with static discharge to conductive shell 11, and then static got rid of, to avoid electronic cards to be subjected to the impact of Electrostatic Discharge, to increase the stability of electronic cards running.
Further, owing to must match with electronic installation, and the space of the holding electronic card that electronic installation provided is very little usually, so the user often can face the puzzlement that is difficult for taking out electronic cards.Please consult Fig. 1 again, for convenient user, the outside surface of the conductive shell 11 of present embodiment also can have a groove 112 near the position of side edge, utilizes nail to fasten this groove 112 for the user, electronic cards is gone up by electronic installation (not shown) extracted.Thus, just can be used in the process of making conductive shell 11, form this groove 112 simultaneously, extract the puzzlement that is difficult for further solution electronic cards.Certainly, the shape of groove size and indefinite, so long as nail or other instruments that extracts electronic cards that can ccontaining user get final product, moreover optionally and operation and deciding, the outside surface of printed circuit board (PCB) also can be provided with similar groove simultaneously.
In this embodiment, printed circuit board (PCB) 13 can adopt modes such as imbedding ejaculation (INSERT MOLDING), implantation, buckle, ultrasound wave joint, high frequency joint, welding or viscose joint to combine with plastic frame body 12, printed circuit board (PCB) 13 is arranged in the plastic frame body 12, thus, just can closely electronic cards be encapsulated, and in the electronic cards Package boxes, can be discharged to the media of conductive shell 11 as printed circuit board (PCB) 13 by earth element 14.
See also Fig. 2 (a), it is the decomposition texture synoptic diagram of electronic cards of the tool ground structure of the utility model second preferred embodiment.As shown in the figure, the structure shown in the present embodiment is the encapsulating structure of a safe digital card, and its main member comprises first conductive shell 21, first plastic frame body 22, substrate 23, second conductive shell 25, second plastic frame body 26 and earth element 262.
First conductive shell 21 is arranged on the top end face of first plastic frame body 22, and a plurality of connecting portions 211 are laid at its edge, and second conductive shell 26 is to be arranged on the bottom face of second plastic frame body 25, a plurality of connecting portions 261 of the same laying in its edge.Wherein, first conductive shell 21 and the first plastic cement frame 22 are combined into half Package boxes, and second conductive shell 26 and the second plastic cement frame 25 are combined into second half Package boxes.
And substrate 23 is a printed circuit board (PCB), and its surface has a ground pad 232 (shown in Fig. 2 (b)), electrically connects in order to the grounding circuit (not shown) with printed circuit board (PCB) 23 inside.
In present embodiment, the earth element 262 and second conductive shell 26 are formed in integrally formed mode, when printed circuit board (PCB) 23 and this conductive shell 21,26 and this plastic frame body 22,25 when being combined into an electronic cards Package boxes, earth element 262 will contact (shown in Fig. 2 (b)) with the ground pad 232 of printed circuit board (PCB) 23, and then make printed circuit board (PCB) 23 and the earth element 262 and second conductive shell 26 form a discharge path, when human body touches electronic cards or electronic cards and is pulled out by the electronic installation that connects, the static discharge that is produced is to printed circuit board (PCB) 23 time, can be via earth element 262 with static discharge to the second conductive shell 26, and then static got rid of, to avoid electronic cards to be subjected to the impact of Electrostatic Discharge, to increase the stability of electronic cards running.
Certainly; the utility model is used for making the earth element of printed circuit board (PCB) and conductive shell electric connection; its structure is not limited to shape and the size shown in Fig. 1 and Fig. 2 (a) and 2 (b); any printed circuit board (PCB) and conductive shell of can making in Package boxes forms the structure that electrically connects; for example: earth element 262 can also be formed at the inboard of first conductive shell 21 or the inboard of first conductive shell 21 and second conductive shell 26 forms simultaneously; and the ground area of passing first plastic frame body 22 or second plastic frame body 25 and printed circuit board (PCB) 23 electrically conducts, and is the scope that the utility model is protected.
In this embodiment, substrate 23 also comprises one and switches element 231, it is arranged at the side of printed circuit board (PCB) 23, and electrically connect with the circuit of printed circuit board (PCB) 23 inside, wherein this switching device 231 can move left and right, user mode in order to the control safe digital card, when switching device 231 is in the state of bolt-lock (lock), the user can only read the content of safe digital card but the action that can't store, otherwise, when switching device 231 is in the state of unlatching, the action that the user can also store safe digital card except the content that can read safe digital card.In addition, this conductive shell 21 and 26 can adopt modes such as imbedding ejaculation (INSERT MOLDING), implantation, buckle, ultrasound wave joint, high frequency joint, welding or viscose joint to make these connecting portions 211 and 261 be bonded to this plastic frame body 22 and 25 respectively, and then make first conductive shell 21 and the first plastic cement frame 22 be combined into half Package boxes, and second conductive shell 26 and the second plastic cement frame 25 are combined into second half Package boxes.And printed circuit board (PCB) 23 and above-mentioned two halves Package boxes also can use imbed that ejaculation (INSERT MOLDING), implantation, buckle, ultrasound wave engage, mode such as high frequency joint, welding or viscose joint is packaged into a box body, the earth element 262 and second conductive shell 26 are replaced mutually, and then the static on the printed circuit board (PCB) 23 is got rid of.
Indulge the above; the electronic cards system of tool ground structure of the present utility model is arranged at Package boxes inside with earth element; and make between conductive shell and the printed circuit board (PCB) to form by earth element and electrically connect; when when printed circuit board (PCB) is pulled out because of the human body contact or by the electronic installation that connects, being subjected to the impact of Electrostatic Discharge; static will be discharged to conductive shell via the formed discharge path of printed circuit board (PCB), earth element and conductive shell; really can reach the effect of protection printed circuit board (PCB); therefore, electronic cards method for packing of the present utility model has the value of industry.
Though the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, under the situation that does not break away from the utility model spirit, also can make the variation or the replacement of various equivalences, therefore, as long as in connotation scope of the present utility model in the scope to the variation of the foregoing description, claims that modification all will drop on the application.
Claims (20)
1. the electronic cards of a tool ground structure is characterized in that comprising:
One conductive shell;
One plastic frame body, it combines with this conductive shell;
One substrate, it has a ground pad and is placed in this plastic frame body; And
One earth element, itself and this conductive shell is integrally formed, and this ground pad of passing this plastic frame body and this substrate electrically conducts, so that this ground pad of this substrate, this earth element and this conductive shell form a discharge path.
2. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this substrate is a printed circuit board (PCB), its have a grounding circuit and be laid with storer with and/or electronic component.
3. the electronic cards of tool ground structure as claimed in claim 2 is characterized in that this ground pad is electrically connected with this grounding circuit.
4. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this earth element is made with conductive metallic material.
5. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this electronic cards is a safe digital card.
6. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this electronic cards is a multimedia storage card.
7. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this electronic cards is for coiling with oneself.
8. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this electronic cards is intelligent storage card.
9. the electronic cards of tool ground structure as claimed in claim 1 is characterized in that this earth element is arranged at the Package boxes inside of this electronic cards.
10. the electronic cards of a tool ground structure is characterized in that comprising:
One conductive shell;
One plastic frame body, it has a perforate and combines with this conductive shell;
One substrate, it is placed in this plastic frame body and this perforate of corresponding to this plastic frame body has a ground pad; And
One earth element, it is electrically connected with this ground pad of this substrate, and this perforate and this conductive shell that its part-structure passes this plastic frame body electrically conduct, so that this ground pad of this substrate, this earth element and this conductive shell form a discharge path.
11. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this substrate is a printed circuit board (PCB), its have a grounding circuit and be laid with storer with and/or electronic component.
12. the electronic cards of tool ground structure as claimed in claim 11 is characterized in that this ground pad is electrically connected with this grounding circuit.
13. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this earth element is made with conductive metallic material.
14. the electronic cards of tool ground structure as claimed in claim 13 is characterized in that this earth element is a spring wire.
15. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this conductive shell comprises a groove, it is arranged at a side edge of the outside surface of this conductive shell.
16. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this electronic cards is a safe digital card.
17. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this electronic cards is a multimedia storage card.
18. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this electronic cards is for coiling with oneself.
19. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this electronic cards is intelligent storage card.
20. the electronic cards of tool ground structure as claimed in claim 10 is characterized in that this earth element is arranged at the Package boxes inside of this electronic cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042490 CN2704888Y (en) | 2004-05-21 | 2004-05-21 | Electronic card with grounded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042490 CN2704888Y (en) | 2004-05-21 | 2004-05-21 | Electronic card with grounded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2704888Y true CN2704888Y (en) | 2005-06-15 |
Family
ID=34774796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420042490 Expired - Fee Related CN2704888Y (en) | 2004-05-21 | 2004-05-21 | Electronic card with grounded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2704888Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333468A (en) * | 2015-07-09 | 2017-01-18 | 船井电机株式会社 | Ejection device |
| CN107425838A (en) * | 2011-02-28 | 2017-12-01 | 赛普拉斯半导体公司 | Capacitive sensing button on chip |
| WO2019056315A1 (en) * | 2017-09-22 | 2019-03-28 | 深圳市沃特沃德股份有限公司 | Antistatic assembly and mobile device |
| WO2020228450A1 (en) * | 2019-05-16 | 2020-11-19 | 深圳市文鼎创数据科技有限公司 | Smart card and smart card manufacturing process |
-
2004
- 2004-05-21 CN CN 200420042490 patent/CN2704888Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425838A (en) * | 2011-02-28 | 2017-12-01 | 赛普拉斯半导体公司 | Capacitive sensing button on chip |
| CN106333468A (en) * | 2015-07-09 | 2017-01-18 | 船井电机株式会社 | Ejection device |
| CN106333468B (en) * | 2015-07-09 | 2020-02-07 | 船井电机株式会社 | Injection device |
| WO2019056315A1 (en) * | 2017-09-22 | 2019-03-28 | 深圳市沃特沃德股份有限公司 | Antistatic assembly and mobile device |
| WO2020228450A1 (en) * | 2019-05-16 | 2020-11-19 | 深圳市文鼎创数据科技有限公司 | Smart card and smart card manufacturing process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103886299A (en) | Packaging structure of capacitive fingerprint sensor | |
| CN200962462Y (en) | Sealed electrical connector part | |
| MX2008001195A (en) | Interdigital force switches and sensors. | |
| CN1482728A (en) | Power supply device | |
| CN206210798U (en) | A kind of FPC, TFT substrate and package assembling | |
| CN2704888Y (en) | Electronic card with grounded structure | |
| US7177159B2 (en) | Packaging structure of electronic card | |
| CN203799391U (en) | Packaging structure of capacitive fingerprint sensor | |
| JP2006107419A (en) | Memory card structure and its manufacturing method | |
| US8251751B2 (en) | Plug and connector assembly using same | |
| CN203607386U (en) | Glue injection packaging structure of novel fingerprint sensor | |
| CN111092057B (en) | Packaging method for densely-arranged semiconductor chips of terminal of Internet of things | |
| CN209640875U (en) | Fingerprint modular structure and electronic equipment | |
| CN201700124U (en) | Shielding case and electronic device with same | |
| KR200457484Y1 (en) | Package for electronic storage device | |
| US7670161B2 (en) | Electrical card connector | |
| JP2006318458A (en) | Method for mounting memory card | |
| JP2006107420A (en) | Memory card structure and its manufacturing method | |
| WO2006002925A8 (en) | Very high frequency electrical connector | |
| CN209045415U (en) | A kind of film key that pressing feel can be improved | |
| US8154884B2 (en) | Electronic device with electrostatic protection structure | |
| CN100573572C (en) | Radio frequency recognition chip packaging module | |
| CN206991335U (en) | Fingerprint recognition module and terminal device | |
| CN208506793U (en) | Band type anti-demolition electronic tags | |
| US20050176172A1 (en) | Packaging structure and process of electronic card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |