CN105989312A - Electronic device and control method therefor - Google Patents
Electronic device and control method therefor Download PDFInfo
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- CN105989312A CN105989312A CN201510516220.4A CN201510516220A CN105989312A CN 105989312 A CN105989312 A CN 105989312A CN 201510516220 A CN201510516220 A CN 201510516220A CN 105989312 A CN105989312 A CN 105989312A
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- covering
- contact sets
- detection
- port
- impedance circuit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/86—Secure or tamper-resistant housings
- G06F21/87—Secure or tamper-resistant housings by means of encapsulation, e.g. for integrated circuits
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses an electronic device and a control method therefor. The electronic device comprises a first covering part, a second covering part and a main control chip. The electronic device is characterized in that the first covering part is provided with a first impedance circuit; the second covering part is provided with a first contact set; the first contact set comprises two contacts; when the first covering part fits the second covering part, the first impedance circuit is in contact with the first contact set to form an electric connection; the main control chip is provided with a first detection first port and a first detection second port; the first detection first port is electrically connected with one contact of the first contact set; and the first detection second port is electrically connected with another contact of the first contact set.
Description
Technical field
The present invention relates to a kind of electronic technology field, particularly relate to the control method of electronic equipment and electronic equipment.
Background technology
Existing secure electronic equipment is not stolen for the information ensureing this device interior, is typically provided with anti-disassembling mechanism, is i.e. tearing open
Can touch this anti-disassembling mechanism when holding the shell of this electronic equipment, anti-disassembling mechanism destroys the operation of this electronic equipment by triggering.Existing
Anti-disassembling mechanism is typically to arrange wire between the upper casing and lower casing of electronic equipment, and when upper casing separates with lower casing, anti-disassembling mechanism is cut off
Wire, triggers the operation destroying this electronic equipment.But, this anti-disassembling mechanism structure is complicated, takies the inside compared with giant electronics
Space, is only applicable to the bigger electronic equipment of volume, and the electronic equipment little or relatively thin for volume is simultaneously inapplicable.
Content of the invention
Present invention seek to address that one of the problems referred to above.
Present invention is primarily targeted at a kind of electronic equipment of offer, comprising: the first covering, the second covering and main control chip,
It is characterized in that, the first covering is provided with the first impedance circuit, and the second covering is provided with the first contact sets, and the first contact sets includes
Two contacts, when the first covering and the second covering are fitted, the first impedance circuit and the contact of the first contact sets form electrical connection,
Main control chip is provided with first detection the first port and first detection the second port, and first detects the one of the first port and the first contact sets
Individual contact electrically connects, another contact electrical connection of first detection the second port and the first contact sets.
Additionally, the first covering is additionally provided with N number of second impedance circuit, the second covering is additionally provided with N number of second contact sets, each
Second contact sets includes two contacts, and when the first covering and the second covering are fitted, each second impedance circuit and one the
Two contact sets form electrical connection, and main control chip is additionally provided with N number of second detection the first port and N number of second detection the second port, often
One contact electrical connection of individual second detection the first port and second contact sets, each second detects second port and the
Another contact electrical connection of two contact sets.
Additionally, the first covering is additionally provided with n-th the second impedance circuit, the second covering is additionally provided with N number of second contact sets, often
Individual second contact sets includes two contacts, and N number of second contact sets electrically connects with the first contact sets, when the first covering and second covers
During cover piece laminating, each second impedance circuit and second contact sets form electrical connection.
Additionally, the first covering is additionally provided with n-th the second impedance circuit, the second covering is additionally provided with N number of second contact sets, often
Individual second contact sets includes two contacts, and M the second contact sets electrically connects with the first contact sets, when the first covering and second covers
During cover piece laminating, each second impedance circuit and second contact sets form electrical connection, and main control chip is additionally provided with N-M second
Detect the first port and N-M second detection the second port, in each second detection first port and N-M the second contact sets
Contact electrical connection of second contact sets, each second detection second port and one of N-M second contact sets
Another contact electrical connection of the second contact sets.
It additionally, the second covering is provided with the first avoidance hole, is used for providing avoidance space.
Additionally, also include the 3rd covering, the 3rd covering is located between the first covering and the second covering, the 3rd covering
It is provided with the second avoidance hole, be used for providing avoidance space.
Additionally, the first covering is FPC plate, the second covering is pcb board.
Additionally, the first covering is FPC plate, the second covering is pcb board, and the 3rd covering is key panel.
Additionally, the first covering material surface is provided with wire netting, wire netting includes two taps, and main control chip is additionally provided with the 3rd detection the
Single port and the 3rd detection the second port, the 3rd detection the first port electrically connects with a tap of wire netting, the 3rd detection second
Port electrically connects with another tap of wire netting.
Another object of the present invention is to provide the control method of a kind of electronic equipment such as above-mentioned any one, comprising: main control chip
Resistance value by contact sets to be detected detection impedance circuit to be detected；When resistance value impedance circuit to be detected being detected becomes
During change, obtain control instruction.
Additionally, main control chip detects that the resistance value of impedance circuit to be detected changes in the following way: main control chip detects
Vary more than preset range to the resistance value of impedance circuit to be detected relative to initial circuit value, then impedance to be detected electricity detected
The resistance value on road changes.
As seen from the above technical solution provided by the invention, one aspect of the present invention provides a kind of electronic equipment, and this electronics sets
When the first standby covering and the laminating of the second covering, the first impedance circuit and the first contact sets form electrical connection.Use this structure
Electronic equipment, when the first covering and the second covering are forcibly separating by external force, the first impedance circuit and the first contact sets are broken
Open connection, so that the change in resistance of the first impedance circuit that the main control chip of this electronic equipment is by detecting knows this electronics
Equipment is demolished, and then is certainly about to the state of electronic equipment and is set to unavailable or actively destroys, and has reached the anti-demolition of electronic equipment
Technique effect, it is ensured that the security of electronic equipment internal information.The control of the electronic equipment of another aspect of the present invention offer is provided
Method processed, can be when the first covering and the second covering be separated by external force, and main control chip detects the change of impedance circuit, obtains
Obtain control signal, and then according to this control signal, electronic equipment can be placed in down state or actively destruction, reached electronics and set
The technique effect of standby anti-demolition, it is ensured that the security of electronic equipment internal information.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of required use in embodiment being described below
It is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the electronic equipment that Fig. 1 provides for the embodiment of the present invention 1；
The another structural representation of the electronic equipment that Fig. 2 provides for the embodiment of the present invention 1；
The flow chart of the control method of the electronic equipment that Fig. 3 provides for the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Reality based on the present invention
Execute example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
Protection scope of the present invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ",
The orientation of the instruction such as " afterwards ", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are base
It in orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, rather than instruction or hint institute
The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Restriction.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or quantity or position.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " install ", " being connected ",
" connect " and should be interpreted broadly, for example, it may be fixing connect, it is also possible to be to removably connect, or be integrally connected；Permissible
It is to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.
Embodiment 1
Describe the electronic equipment of the present invention below with reference to Fig. 1 in detail.
This electronic equipment includes: the first covering the 101st, the second covering 102 and main control chip 1023, the first covering 101
Being provided with the first impedance circuit 1011, the second covering is provided with the first contact sets 1021, and the first contact sets 1021 includes two contacts,
When the first covering 101 and the second covering 102 are fitted, the first impedance circuit 1011 contacts shape with the first contact sets 1021
Become electrical connection, main control chip 1023 be provided with first detection the first port and first detection the second port, first detection the first port with
One contact electrical connection of the first contact sets 1021, another contact electricity of first detection the second port and the first contact sets 1021
Connect.
Use the electronic equipment of this structure, when the first covering 101 and the second covering 102 are forcibly separating by external force, first
Impedance circuit 1011 disconnects with the first contact sets 1021, and main control chip 1023 is obtained by the first contact sets 1021 detection
Resistance value i.e. change so that this electronic equipment 1000 is learnt and demolished, and then can select from being about to electricity further
The state of subset is set to unavailable or actively destroys, and wherein, actively destroys and can be destroyed close by deleting key with unavailable
The mode of key information or security information is implemented, and has reached the technique effect of the anti-demolition of electronic equipment, it is ensured that electronic equipment internal is believed
The security of breath.In the present embodiment, the first impedance circuit 1011 may be provided at the optional position of the first covering 101.
In the optional embodiment of one of the present embodiment, it is (not shown that the first covering 101 is additionally provided with N number of second impedance circuit
Go out), the second covering 102 is additionally provided with N number of second contact sets, and each second contact sets includes two contacts, when first covers
When part 101 and the second covering 102 are fitted, each second impedance circuit and second contact sets form electrical connection, master control core
Piece 1023 be additionally provided with N number of second detection the first port and N number of second detection the second port, each second detection first port with
One contact electrical connection of one the second contact sets, another contact of each second detection the second port and second contact sets
Electrical connection.In the present embodiment, N is the natural number more than or equal to 1.Second contact sets can be distributed in the first covering 101
Optional position.Use the electronic equipment of this structure, when any one second impedance circuit and the second contact sets separate, master control
Chip 1023 all can detect that resistance value there occurs change, has ensured the security of electronic equipment further.
In the optional embodiment of one of the present embodiment, the first covering 101 is additionally provided with n-th the second impedance circuit, and second
Covering 102 is additionally provided with N number of second contact sets, and each second contact sets includes two contacts, N number of second contact sets and first
Contact sets electrically connects, when the first covering 101 and the second covering 102 are fitted, and each second impedance circuit and one second
Contact sets forms electrical connection.In the present embodiment, N number of second contact sets can connect with cascade and the first contact sets 1021
Connect, it is also possible to connect with parallel form and the first contact sets, or the form combining with connection in series-parallel is connected with the first contact sets 1021.
In the present embodiment, N is the natural number more than or equal to.Using the electronic equipment of this structure, main control chip 1023 only needs to set
Put two detection ports, any one impedance circuit (including the first impedance circuit 1011 and N number of second impedance circuit) with
When contact sets (including the first contact sets 1021 and N number of second contact sets) disconnects, i.e. can detect that the change of resistance value.
In the optional embodiment of one of the present embodiment, the first covering 101 is additionally provided with n-th the second impedance circuit, and second
Covering 102 is additionally provided with N number of second contact sets, and each second contact sets includes two contacts, M the second contact sets and the
One contact sets 1021 electrically connects, when the first covering 101 and the second covering 102 are fitted, and each second impedance circuit and one
Individual second contact sets forms electrical connection, and main control chip 1023 is additionally provided with N-M second detection the first port and N-M second inspection
Survey the second port, a contact electricity of each second detection first port one of individual second contact sets second contact sets with N-M
Connecting, each second detection second port and another contact of one of N-M the second contact sets the second contact sets are electrically connected
Connect.In the present embodiment, M the second contact sets can connect with cascade and the first contact sets 1021, it is also possible to
Parallel form and the first contact sets 1021 connect, or the form combining with connection in series-parallel is connected with the first contact sets 1021, residue
Second contact sets (i.e. N-M the second contact sets) can be with second detection the first port of main control chip 1023 and the second detection
Second port connects.In the present embodiment, N is the natural number more than or equal to 2, and M is the natural number less than N more than or equal to 1.
Use the electronic equipment of this structure, it is possible to reduce main control chip second detects the usage quantity of interface, reduce wiring quantity.
In the optional embodiment of one of the present embodiment, the second covering 102 is provided with the first avoidance hole 1022, keeps away for offer
Allow space.First avoidance hole 1022 can be located between two contacts of first contact sets 1021, it is also possible to be arranged on the
Other positions of two coverings 102, it also can be multiple that the first avoidance hole 1022 can be one, can be reached for impedance circuit
(including the first impedance circuit 1011 and all second impedance circuits) provides the effect avoiding space.First impedance circuit
1011 and all second impedance circuits and contact sets formed when electrically connecting, the first impedance circuit 1011 and all second impedance circuits
Exposed by the first avoidance hole 1022.In present embodiment, if the element of impedance circuit exceeds the surface of the first covering, first
Avoiding hole 1022 can provide avoidance space for the element of this impedance circuit so that the first covering 101 is in the second covering 102
Contact is more tight, prevents from judging by accident because contact loosens, and this electronic equipment also can be thinner.
Further, the first covering 101 is FPC plate, and the second covering 102 is pcb board.FPC plate has pliability
And the characteristic of insulating properties, impedance circuit (including the first impedance circuit 1011 and all second impedance circuits) is arranged on FPC plate
On, it is easy to fixed by the wire in FPC plate, and owing to FPC plate has insulating barrier, the external world cannot be by detection FPC plate
Surface obtains the resistance value of impedance circuit, i.e. can not demolish safely this electronic equipment by modes such as outer meeting resistances, and contact sets (is wrapped
Include the first contact sets 1021 and all second contact sets) it is arranged on pcb board, there is convenient wiring, it is simple to measurement impedance electricity
The effect of the resistance value on road.The secondary of present embodiment selects embodiment to be that the first covering 101 is pcb board, the second covering
102 is FPC plate, and the first impedance circuit 1011 or the second impedance circuit are arranged on pcb board, the first contact sets 1021 or the
Two contact sets are arranged on FPC plate, and main control chip 1023 is arranged on pcb board, the first contact sets 1021 or the second contact
Group is connected with the detection port of main control chip by the flexible wire of FPC.
In the optional embodiment of one in the present embodiment, as in figure 2 it is shown, electronic equipment also includes the 3rd covering 103,
3rd covering 103 is located between the first covering 101 and the second covering 102, and the 3rd covering 103 is provided with the second avoidance
Hole 1031, during the first covering the 102nd, the 3rd covering 103 and second 102 laminatings of covering, each impedance circuit (includes
One the first impedance circuit 1011 and all second impedance circuits) manifested by one second avoidance hole 1031 and touch with one
Point group (including first contact sets 1021 and all second contact sets) contact forms electrical connection.When electronic equipment also includes
During three coverings 103, the 3rd covering 103 arranges the second avoidance hole 1031 so that impedance circuit second can be kept away by this
Allow hole 1031 manifest, and then be electrically connected to form loop with contact sets so that the impedance circuit of this electronic equipment contacts with contact sets
More tight, prevent during normal use, contact erroneous judgement that is loosening and that produce because of impedance circuit and contact sets.
Further, the first covering 101 is FPC plate, and the second covering 102 is pcb board, and the 3rd covering 103 is
Key panel, when key panel is arranged between FPC plate and pcb board, owing to FPC plate has pliability and insulating properties, outward
Boundary cannot detect the key information of key panel by way of tearing to pieces FPC plate, also cannot be by detection FPC surface or external electricity
The mode of resistance detects the key information of key panel, further ensures the security of key information.
In the optional embodiment of one of embodiment, the first impedance circuit 1011 and the second impedance circuit can by following any one
Composition: single resistor, single thermistor, the serial or parallel connection of multiple resistor, multiple thermistor serial or parallel connection,
The connecting of single or multiple resistors and single or multiple thermistors, single or multiple resistor and single or multiple thermistors
The connecting and the combination of parallel connection of resistor in parallel, single or multiple and single or multiple thermistors.In the present embodiment,
Impedance circuit (including the first impedance circuit 1011 and all second impedance circuits) can be made up of various ways, however it is not limited to more than
Building form, any components and parts with resistance all can reach identical effect.When impedance circuit has thermistor, can lead to
The change in resistance crossing thermistor prevents the resistance of the extraneous surface acquisition impedance circuit being destroyed the first covering by modes such as hot melts
Value, further ensures the security of electronic equipment.First impedance circuit 1011 and the second impedance circuit can be identical electricity
Road, it is also possible to be different circuit, each circuit in N number of second impedance circuit can be identical circuit, it is also possible to be
Different circuit.
In the optional embodiment of one of the present embodiment, the first impedance circuit 1011 and the second impedance circuit can be carbon film.Carbon
Film can disconnect with contact sets with the deformation of the first covering, or partial exfoliation, produces change in resistance, and carbon film thickness
Less, the second covering can be not provided with avoid hole, advantageously reduce the production process of electronic equipment, and then reduction produces into
This.
In the optional embodiment of one of the present embodiment, the first covering material surface is provided with wire netting, and wire netting includes two taps,
Main control chip is additionally provided with the 3rd detection the first port and the 3rd detection the second port, and the 3rd detects of the first port and wire netting
Tap electrically connects, and the 3rd detection the second port electrically connects with another tap of wire netting.When external force destroys wire netting to electronic equipment
When internal information detects, wire netting disconnects, and main control chip can detect that the voltage of wire netting, electric current or prevention there occurs change
Change, and then judge that electronic equipment is demolished, so can select further from be about to the state of electronic equipment be set to unavailable or
Actively destroy, reached the technique effect of the anti-demolition of electronic equipment, further ensured the security of electronic equipment internal information.
The electronic equipment of the present embodiment, can smart card, (U-shield that uses such as industrial and commercial bank, agricultural bank uses electronic signature equipment
K is precious), the mini-plant such as E-token dynamic password card, it is also possible to be that electronic signature equipment or the smart card of the functional unification of the said equipment sets
Standby.
Embodiment 2
Describe the control method of the electronic equipment of the present invention in detail below with reference to Fig. 2, this electronic equipment can be appointing of embodiment 1
Anticipating the electronic equipment in optional embodiment, the embodiment about this equipment does not repeats them here, and the method includes:
Step a, main control chip is by the resistance value of contact sets to be detected detection impedance circuit to be detected；
Step b, when resistance value impedance circuit to be detected being detected changes, obtains control instruction.
Main control chip is by the resistance value of contact sets to be detected detection impedance circuit to be detected, when the resistance value of impedance circuit to be detected
When changing, obtain control instruction.Use the control method of the electronic equipment of the present invention, can cover at the first covering and second
When cover piece is separated by external force, main control chip detects the change of impedance circuit resistance value to be detected, it is thus achieved that control signal, Jin Erke
Control this electronic equipment according to this control signal and be set to unusable or initiative effects state, unusable or active young man's state
The modes such as electronic equipment can be made to implement by destroying the operations such as key, private data or other data, it is ensured that electronic equipment internal
The security of information.
In the present embodiment, the electricity of impedance circuit to be detected, contact sets to be detected, impedance circuit to be detected and contact sets to be detected
Connected mode, can have following several:
First impedance circuit and the first detection contact sets electrical connection, the first detection contact sets is contact sets to be detected；
N number of second impedance circuit and N number of second contact sets, the first impedance circuit and the first detection contact sets electrical connection, each is the years old
Two impedance circuits and a second contact sets electrical connection, contact sets to be detected is the first detection contact sets and all second detection contacts
Group；
N number of second impedance circuit and N number of second contact sets, the first impedance circuit and the first detection contact sets electrical connection, each is the years old
Two impedance circuits and a second contact sets electrical connection, N number of second contact sets electrically connects with the first contact sets, concrete connected mode
Can be N number of second contact sets series connection, N number of second contact sets be in parallel, or with first after N number of second contact sets connection in series-parallel combination
Contact sets connects, and contact sets to be detected is the first contact sets；
N number of second impedance circuit and N number of second contact sets, the first impedance circuit and the first detection contact sets electrical connection, each is the years old
Two impedance circuits and a second contact sets electrical connection, M the second contact sets electrically connects with the first contact sets, concrete connected mode
Can be M the second contact sets series connection, M the second contact sets be in parallel, or M the second contact sets connection in series-parallel combine after with the
One contact sets connects；First contact sets and N-M the second contact sets are contact sets to be detected.
In the optional embodiment of one of the present embodiment, main control chip can detect impedance circuit to be detected in the following way
Resistance value changes: main control chip detects that the resistance value of impedance circuit to be detected is pre-relative to varying more than of initial circuit value
If scope, then detect that the resistance value of impedance circuit to be detected changes.In present embodiment, main control chip can be first
After covering and the laminating of the second covering, detect the initial circuit value of initial impedance circuit to be detected, and to this initial circuit value
Storing, in order to when detection is if it occur that tear the situations such as machine open, whether the resistance value of impedance circuit to be detected and initial resistivity value
There is change, vary more than preset range when resistance value, obtain control instruction, it is simple to prevent because the factor such as temperature or humidity is treated
Detect the impact of the resistance value of impedance circuit and produce erroneous judgement.
In the optional embodiment of one of the present embodiment, after main control chip obtains control instruction, electronic equipment is placed in unavailable shape
State.In the present embodiment, electronic equipment is placed in down state, avoid extraneous obtain electronic equipment storage information or
The effect of manipulation electronic equipment, it is ensured that the security of electronic equipment.
In the present embodiment, it is possible to reach same effect by the measurement voltage of impedance circuit to be detected or the change of electric current.
Any process described otherwise above or method describe and are construed as in flow chart or at this, represent include one or
More are for realizing module, fragment or the part of the code of the executable instruction of the step of specific logical function or process, and
The scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including root
According to involved function while basic in the way of or in the opposite order, perform function, this should be by embodiments of the invention institute
Belong to those skilled in the art to be understood.
It should be appreciated that each several part of the present invention can be realized by hardware, software, firmware or combinations thereof.In above-mentioned enforcement
In mode, software that multiple steps or method can be performed in memory and by suitable instruction execution system by storage or firmware
Realize.For example, if realized with hardware, and the same in another embodiment, can use following technology well known in the art
In any one or their combination realize: have and patrol for the discrete of logic gates realizing logic function to data-signal
Collect circuit, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate
Array (FPGA) etc..
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is permissible
Instructing related hardware by program to complete, described program can be stored in a kind of computer-readable recording medium, this journey
Sequence upon execution, including one or a combination set of step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module is both permissible
The form using hardware realizes, it would however also be possible to employ the form of software function module realizes.If described integrated module is with software work(
Can the form of module realize and as independent production marketing or when using, it is also possible to be stored in the storage of embodied on computer readable and be situated between
In matter.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specific example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes comprises
In at least one embodiment or example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referred to
It is identical embodiment or example.And, the specific features of description, structure, material or feature can at any one or
Multiple embodiments or example combine in an appropriate manner.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art is in the case of without departing from the principle of the present invention and objective
Above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention is by appended power
Profit requires and equivalent restriction.
Claims (11)
1. an electronic equipment, comprising: the first covering, the second covering and main control chip, it is characterised in that described first
Covering is provided with the first impedance circuit, and described second covering is provided with the first contact sets, and described first contact sets includes two contacts,
When described first covering and described second covering laminating, described first impedance circuit contacts formation with described first contact sets
Electrical connection, described main control chip is provided with first detection the first port and first detection the second port, described first detection the first port
Electrically connecting with a contact of described first contact sets, another of described first detection the second port and described first contact sets touches
Point electrical connection.
2. equipment according to claim 1, it is characterised in that described first covering is additionally provided with N number of second impedance electricity
Road, described second covering is additionally provided with N number of second contact sets, and each described second contact sets includes two contacts, when described
When one covering and described second covering laminating, each described second impedance circuit and described second contact sets form and are electrically connected
Connecing, described main control chip is additionally provided with N number of second detection the first port and N number of second detection the second port, each described second inspection
Survey a contact electrical connection of the first port and described second contact sets, each described second detection the second port and an institute
State another contact electrical connection of the second contact sets.
3. equipment according to claim 1, it is characterised in that described first covering is additionally provided with n-th the second impedance
Circuit, described second covering is additionally provided with N number of second contact sets, and each described second contact sets includes two contacts, N number of institute
State the second contact sets to electrically connect with described first contact sets, when described first covering and described second covering laminating, each
Described second impedance circuit and described second contact sets form electrical connection.
4. equipment according to claim 1, it is characterised in that described first covering is additionally provided with n-th the second impedance
Circuit, described second covering is additionally provided with N number of second contact sets, and each described second contact sets includes two contacts, M
Described second contact sets electrically connects with described first contact sets, when described first covering and described second covering laminating, often
Individual described second impedance circuit and described second contact sets form electrical connection, and described main control chip is additionally provided with N-M second inspection
Surveying the first port and N-M second detection the second port, each described second detection first port described with N-M second touches
One contact electrical connection of one of some group described second contact sets, each described second detection second port is described with N-M
Another contact electrical connection of described second contact sets of one of second contact sets.
5. the equipment according to any one of claim 1-4, it is characterised in that described second covering is provided with the first avoidance hole,
For providing avoidance space.
6. the electronic equipment according to any one of claim 1-5, it is characterised in that also include the 3rd covering, described
Three coverings are located between described first covering and described second covering, and described 3rd covering is provided with the second avoidance hole, use
Avoid space in providing.
7. the equipment according to any one of claim 1-5, it is characterised in that described first covering is FPC plate, described
Second covering is pcb board.
8. equipment according to claim 6, it is characterised in that described first covering is FPC plate, described second covers
Cover piece is pcb board, and described 3rd covering is key panel.
9. the equipment according to claim 1-8, it is characterised in that described first covering material surface is provided with wire netting, described
Wire netting includes two taps, and described main control chip is additionally provided with the 3rd detection the first port and the 3rd detection the second port, described the
Three detection the first ports electrically connect with a tap of described wire netting, and described 3rd detection the second port is another with described wire netting
One tap electrical connection.
10. the control method of the electronic equipment as described in any one of claim 1-9, it is characterised in that include:
Described main control chip is by the resistance value of contact sets to be detected detection impedance circuit to be detected；
When the resistance value described impedance circuit to be detected being detected changes, obtain control instruction.
11. methods according to claim 10, it is characterised in that described main control chip detects described in the following way
The resistance value of impedance circuit to be detected changes:
Described main control chip detects that the resistance value of described impedance circuit to be detected varies more than default model relative to initial circuit value
Enclose, then detect that the resistance value of described impedance circuit to be detected changes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510516220.4A CN105989312A (en) | 2015-08-20 | 2015-08-20 | Electronic device and control method therefor |
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| CN201510516220.4A CN105989312A (en) | 2015-08-20 | 2015-08-20 | Electronic device and control method therefor |
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| CN105989312A true CN105989312A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510516220.4A Pending CN105989312A (en) | 2015-08-20 | 2015-08-20 | Electronic device and control method therefor |
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| Country | Link |
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| CN (1) | CN105989312A (en) |
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Application publication date: 20161005 |