CN203929919U - A kind of electrostatic testing apparatus and terminal - Google Patents
A kind of electrostatic testing apparatus and terminal Download PDFInfo
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- CN203929919U CN203929919U CN201420220345.3U CN201420220345U CN203929919U CN 203929919 U CN203929919 U CN 203929919U CN 201420220345 U CN201420220345 U CN 201420220345U CN 203929919 U CN203929919 U CN 203929919U
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- sheet metal
- electrode
- conversion assembly
- insulator
- detecting chip
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Abstract
The utility model embodiment discloses a kind of electrostatic testing apparatus, comprising: charge conversion assembly and capacitance detecting chip, and described capacitance detecting chip is connected with described charge conversion assembly; Wherein, described charge conversion assembly comprises: upper sheet metal, lower sheet metal, side sheet metal, the first insulator, the second insulator, the first electrode and the second electrode; Described upper sheet metal, described side sheet metal and described lower sheet metal are " Contraband " type and are fixedly connected with, described the first electrode is fixedly connected with described upper sheet metal by described the first insulator, and described the second electrode is fixedly connected with described lower sheet metal by described the second insulator; Described capacitance detecting chip is for detection of the capacitance variations value on described charge conversion assembly.The utility model embodiment also discloses a kind of terminal.Adopt the utility model embodiment, can realize static charge and detect, volume is little, and is easy to integrated.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of electrostatic testing apparatus and terminal.
Background technology
Along with device miniaturization, nanometer technology microminiaturization, various chip antistatic capabilities more and more a little less than, electrostatic problem has become the significant problem of electronic equipments such as puzzlement mobile phone etc.In daily life, when physical activity, between skin and clothes and between clothes and clothes, rub mutually, just can produce static, the static charge producing can be absorbed by the body and accumulate, once human body contacts with electronic equipment, the static charge of accumulating just can be passed to electronic equipment, and electronic equipment can be subject to electrostatic interference, will cause fault or the misoperation of electronic equipment when serious, and puncture integrated circuit and accurate electronic component, impel component ageing.If static discharges not in time, also may damage human body, make people's lather, headache, uncomfortable in chest etc.
But the electrostatic testing apparatus volume that exists is in the market large, implement complexity, cannot be integrated into and be similar in the small-sized electronic equipment such as mobile phone.
Utility model content
The utility model embodiment provides a kind of electrostatic testing apparatus and terminal, changes by machinery, the variation of static charge is converted to the variation of electric capacity, realizes electrostatic detection, and volume is little, and is easy to integrated.
The utility model embodiment provides a kind of electrostatic testing apparatus, comprising:
Charge conversion assembly and capacitance detecting chip, described capacitance detecting chip is connected with described charge conversion assembly;
Wherein, described charge conversion assembly comprises: upper sheet metal, lower sheet metal, side sheet metal, the first insulator, the second insulator, the first electrode and the second electrode;
Described upper sheet metal, described side sheet metal and described lower sheet metal are " Contraband " type and are fixedly connected with, described the first electrode is fixedly connected with described upper sheet metal by described the first insulator, and described the second electrode is fixedly connected with described lower sheet metal by described the second insulator;
Described capacitance detecting chip is for detection of the capacitance variations value on described charge conversion assembly.
Correspondingly, the utility model embodiment also provides a kind of terminal, comprising: device as above, microcontroller and warning circuit, wherein,
Described microcontroller is connected with the described capacitance detecting chip in described device, and described warning circuit is connected with described microcontroller;
If described microcontroller is connected described warning circuit during lower than default capacitance threshold value for the capacitance that gets from described capacitance detecting chip;
The shell of described terminal is provided with metal parts, and described metal parts is connected with the charge conversion assembly in described device.
Implement the utility model embodiment, change by machinery, charge conversion assembly changes the static charge of collecting the variation that is converted to electric capacity, by this capacitance variations value of capacitance detecting chip detection, thereby realizes electrostatic detection.Adopt the utility model embodiment, volume is little, and is easy to integrated.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of electrostatic testing apparatus of the utility model embodiment;
Fig. 2 is the structural representation of a kind of charge conversion assembly in Fig. 1;
Fig. 3 is the structural representation of a kind of terminal of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, be the structural representation of a kind of electrostatic testing apparatus of the utility model embodiment, in the utility model embodiment, this device 1 comprises: charge conversion assembly 11 and capacitance detecting chip 12, charge conversion assembly 11 is connected with capacitance detecting chip 12.
Charge conversion assembly 11 can be converted to the variation of the static charge of collecting the variation of electric capacity, obtains capacitance variations value thereby be convenient to capacitance detecting chip 12, and capacitance detecting chip 12, for detection of the capacitance variations value on charge conversion assembly 11, is realized electrostatic detection.
Concrete, charge conversion assembly 11 is mainly made up of sheet metal and insulating trip, referring to Fig. 2, Fig. 2 is the structural representation of a kind of charge conversion assembly in Fig. 1, in Fig. 2, charge conversion assembly 11 comprises: upper sheet metal 111, lower sheet metal 112, side sheet metal 113, the first insulator 114, the second insulator 115, the first electrode 116 and the second electrode 117.Upper sheet metal 111, side sheet metal 113 and lower sheet metal 112 are " Contraband " type and are fixedly connected with, the first electrode 116 is fixedly connected with upper sheet metal 111 by the first insulator 114, the second electrode 117 is fixedly connected with lower sheet metal 112 by the second insulator 115, wherein, between the first electrode 116 and the second electrode 117, separate.Therefore, described the first electrode 116 and described the second electrode 117 form a capacitor, by a pad being set respectively on described the first electrode 116 and described the second electrode 117, utilize conductor that pad is connected with described capacitance detecting chip 12, thereby can realize the capacitance detecting on charge conversion assembly, meanwhile, a pad is set on upper sheet metal 111 or lower sheet metal 112, be connected with the shell of electronic equipment by conductor, for accessing static charge.
As the optional embodiment of one, the first electrode 116 can comprise: electric pole plate 1161, lower electrode plate 1162 and lateral electrode plate 1163, wherein, electric pole plate 1161, lateral electrode plate 1163 and lower electrode plate 1162 are
type is fixedly connected with.
As the optional embodiment of one, upper sheet metal 111, the first insulator 114 and electric pole plate 1161 are positioned on same surface level, and lower sheet metal 112, the second insulator 115, the second electrode 117 and lower electrode plate 1162 are positioned on same surface level.Wherein, on lower sheet metal 112, the second electrode 117 and lower electrode plate 1162, be equipped with respectively three pads of described charge conversion assembly 11, pad on described lower sheet metal 112 is used for accessing static charge, pad on described the second electrode 117 and lower electrode plate 1162 is for the two ends as capacitor, the capacitance variations value detecting on described charge conversion assembly 11 for electric capacity detection chip 11, wherein, described capacitor is made up of the second electrode 117 and lower electrode plate 1162.
As a kind of possible embodiment, charge conversion assembly 11 and capacitance detecting chip 12 are surface mount elements and/or plug connector elements.Preferably, charge conversion assembly 11 and capacitance detecting chip 12 are surface mount elements, and wherein, surface mount elements is easy to produce in enormous quantities, cost is low.Further preferred, in this electrostatic testing apparatus, the surface of all components and parts is all attached with three anti-paints, can protect the circuit in this device to avoid the impact of rugged surroundings, and has protection against the tide, the effect such as dustproof, shockproof.
Concrete, from foregoing description: electric pole plate 1161 and the second electrode 117 have formed the capacitor of the insulation that is parallel to each other.Wherein, on lower sheet metal 112, the second electrode 117 and lower electrode plate 1162, be equipped with respectively sheet metal pad, and be positioned in same level, therefore directly paster to the mainboard of electronic equipment or mobile terminal; The sheet metal that upper sheet metal 111, side sheet metal 113 and lower sheet metal 112 are mutual conduction, instantly when the metal shell such as shell of sheet metal 112 and mobile terminal is connected, extraneous static charge arrives on sheet metal 111, side sheet metal 113 and lower sheet metal 112 by housing, because upper sheet metal 111 and lower sheet metal 112 possess like charges, therefore, mutually repel, cause sheet metal 111 and lower sheet metal 112 mutually away from; The first insulator 114 and the second insulator 115 are insulation coupling parts, the first insulator 114 separates upper sheet metal 111 and the first electrode 116, prevent that static charge from entering on the battery lead plate of the first electrode 116, the second insulator 115 separates lower sheet metal and the second electrode, prevents that static charge from entering on the second electrode 117; Electric pole plate 1161, lateral electrode plate 1163 and lower electrode plate 1162 are interconnective sheet metal, due to upper sheet metal 111 and lower sheet metal 112 mutually away from, so drive electric pole plate 1161 and the second electrode 117 also mutually away from.
Take the medium between electric capacity as example as vacuum, the variation of electric capacity meets formula C=ε S/d, and wherein, C is electric capacity, and ε is dielectric constant, the area that S is battery lead plate, and d is the distance between two battery lead plates.In the utility model embodiment, S is the area of electric pole plate 1161 and the second electrode 117, and d is the distance between electric pole plate 1161 and the second electrode 117, ε is dielectric constant, in general, the medium difference of filling between electric pole plate 1161 and the second electrode 117, dielectric constant ε is also different.In the time that the distance d between electric pole plate 1161 and the second electrode 117 strengthens with the importing of static charge, the electric capacity C of capacitor diminishes.Thereby, change by machinery, the variation of static charge is transformed to the variation of electric capacity, and the variation of electric capacity can be connected with capacitance detecting chip 112 with the pad on lower electrode plate 1162 by the second electrode 117, carry out the detection of electric capacity, wherein, capacitance detecting chip can be the capacitance plate drive IC of often using in touch-screen electronic equipment.
Implement the utility model embodiment, change by machinery, charge conversion assembly changes the static charge of collecting the variation that is converted to electric capacity, by this capacitance variations value of capacitance detecting chip detection, thereby realizes electrostatic detection.Adopt the utility model embodiment, there is volume little, and be easy to integrated advantage.
Referring to Fig. 3, be the structural representation of a kind of terminal of the utility model embodiment, in the utility model embodiment, described terminal can be the mobile terminals such as mobile phone, IPAD.In Fig. 3, this terminal 2 comprises electrostatic testing apparatus 1 as above, microcontroller 21 and warning circuit 22, and microcontroller 21 is connected with the capacitance detecting chip 12 in described device 1, and warning circuit 22 is connected with microcontroller 21.Wherein, the shell of described terminal is provided with metal parts, preferably, described terminal band portion metal shell, described metal parts is connected with the charge conversion assembly 11 in described device 1 by conductor, optionally, the metal hanger that extraneous static charge also can be carried by described terminal enters on the charge conversion assembly 11 in described device 1 by conductor.If microcontroller 21 is connected warning circuit 22 for the capacitance that gets from capacitance detecting chip 12 during lower than default capacitance threshold value, reminding user, by this terminal ground connection, carries out static charge release, in order to avoid infringement terminal or the person is damaged.
As a kind of possible embodiment, warning circuit 22 comprises hummer, connects warning circuit 22 in the time that microcontroller 21 detects capacitance lower than default capacitance threshold value, by the hummer alerting signal of sounding, user is by this terminal ground connection in prompting, carries out static charge release.
As a kind of possible embodiment, microcontroller 21 is connected by I2C IC bus with capacitance detecting chip 12.I2C (Inter-Integrated Circuit, integrated circuit) bus is twin wire universal serial bus, being used for connecting microcontroller and peripherals thereof, is to possess the required high performance serial bus that comprises bus ruling and high low speed device synchronization function of multi-host system.I2C universal serial bus only has two bidirectional signal lines, and one is serial data line SDA, and another root is serial time clock line SCL, carrys out exchange message by I2C bus, carries out and controls, and can reduce printed board connecting line, and is convenient to debugging and test.
Implement the utility model embodiment, in the time that extraneous static charge enters on charge conversion assembly 11, machinery occurs charge conversion assembly 11 changes, thereby cause the electric capacity of the capacitor that electric pole plate 1161 on charge conversion assembly 11 and the second electrode 117 form to change, the capacitance variations value that capacitance detecting chip 12 detects on this charge conversion assembly 11, microcontroller 21 obtains this capacitance variations value, in the time capacitance being detected lower than default capacitance threshold value, connect described warning circuit, reminding user, by this terminal ground connection, carries out static charge release.Adopt the utility model embodiment, there is volume little, and be easy to integrated advantage.
Step in the utility model embodiment method can be carried out according to actual needs order and adjusted, merges and delete.
Unit in the utility model embodiment device can merge according to actual needs, divides and delete.
Described in the utility model embodiment, unit can pass through universal integrated circuit, for example CPU (CentralProcessing Unit, central processing unit), or realize by ASIC (Application Specific IntegratedCircuit, special IC).
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the utility model claim, still belong to the scope that utility model contains.
Claims (7)
1. an electrostatic testing apparatus, is characterized in that, comprising: charge conversion assembly and capacitance detecting chip, and described capacitance detecting chip is connected with described charge conversion assembly;
Wherein, described charge conversion assembly comprises: upper sheet metal, lower sheet metal, side sheet metal, the first insulator, the second insulator, the first electrode and the second electrode;
Described upper sheet metal, described side sheet metal and described lower sheet metal are " Contraband " type and are fixedly connected with, described the first electrode is fixedly connected with described upper sheet metal by described the first insulator, and described the second electrode is fixedly connected with described lower sheet metal by described the second insulator;
Described capacitance detecting chip is for detection of the capacitance variations value on described charge conversion assembly.
2. device as claimed in claim 1, is characterized in that, described the first electrode comprises: electric pole plate, lower electrode plate and lateral electrode plate, described electric pole plate, described lateral electrode plate and described lower electrode plate are
type is fixedly connected with.
3. device as claimed in claim 2, it is characterized in that, described upper sheet metal, described the first insulator and described electric pole plate are positioned on same surface level, and described lower sheet metal, described the second insulator, described the second electrode and described lower electrode plate are positioned on same surface level.
4. the device as described in claim 1-3 any one, is characterized in that, described charge conversion assembly and described capacitance detecting chip are surface mount elements and/or plug connector elements.
5. a terminal, is characterized in that, comprises device, microcontroller and warning circuit as described in claim 1-4 any one, wherein,
Described microcontroller is connected with the described capacitance detecting chip in described device, and described warning circuit is connected with described microcontroller;
If described microcontroller is connected described warning circuit during lower than default capacitance threshold value for the capacitance that gets from described capacitance detecting chip;
The shell of described terminal is provided with metal parts, and described metal parts is connected with the charge conversion assembly in described device.
6. terminal as claimed in claim 5, is characterized in that, described warning circuit comprises hummer.
7. the terminal as described in claim 5 or 6, is characterized in that, described microcontroller is connected by IC bus with described capacitance detecting chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220345.3U CN203929919U (en) | 2014-04-30 | 2014-04-30 | A kind of electrostatic testing apparatus and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220345.3U CN203929919U (en) | 2014-04-30 | 2014-04-30 | A kind of electrostatic testing apparatus and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929919U true CN203929919U (en) | 2014-11-05 |
Family
ID=51825716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220345.3U Expired - Fee Related CN203929919U (en) | 2014-04-30 | 2014-04-30 | A kind of electrostatic testing apparatus and terminal |
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| Country | Link |
|---|---|
| CN (1) | CN203929919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877703A (en) * | 2016-03-30 | 2016-08-24 | 深圳还是威健康科技有限公司 | Method for monitoring human body static electricity and wearable equipment |
| CN108845196A (en) * | 2018-04-16 | 2018-11-20 | 上海与德通讯技术有限公司 | A kind of automatic electrostatic test system |
| CN110907727A (en) * | 2019-11-25 | 2020-03-24 | 伯恩光学(惠州)有限公司 | Detection system and method for ESD protection articles |
-
2014
- 2014-04-30 CN CN201420220345.3U patent/CN203929919U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877703A (en) * | 2016-03-30 | 2016-08-24 | 深圳还是威健康科技有限公司 | Method for monitoring human body static electricity and wearable equipment |
| CN108845196A (en) * | 2018-04-16 | 2018-11-20 | 上海与德通讯技术有限公司 | A kind of automatic electrostatic test system |
| CN110907727A (en) * | 2019-11-25 | 2020-03-24 | 伯恩光学(惠州)有限公司 | Detection system and method for ESD protection articles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |