CN208110553U - Electronic device with can wireless control electronic building brick - Google Patents
Electronic device with can wireless control electronic building brick Download PDFInfo
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- CN208110553U CN208110553U CN201721779767.4U CN201721779767U CN208110553U CN 208110553 U CN208110553 U CN 208110553U CN 201721779767 U CN201721779767 U CN 201721779767U CN 208110553 U CN208110553 U CN 208110553U
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Abstract
It includes a substrate, a wheatstone bridge circuit, a power module and a controller that the utility model, which provides a kind of electronic device,.Wheatstone bridge circuit includes a first pressure sensing electrode, first pressure sensing electrode is set on substrate, wherein a resistance value of first pressure sensing electrode can change with the pressure that first pressure sensing electrode is born, and first pressure sensing electrode is in coiled type.Power module is electrically connected wheatstone bridge circuit.Controller provides direct current within a period controlling power module and supplies electricity to wheatstone bridge circuit, and controls power module and provide exchange in another period and supply electricity to wheatstone bridge circuit.When depressed, the wheatstone bridge circuit comprising pressure-sensing electrode is able to generate magnetic field because line cycle acts on, and then passes out wireless signal.
Description
Technical field
The utility model relates to electronic device with can wireless control electronic building brick.
Background technique
Consumer products, for example, mobile phone, mobile navigation system, moving game equipment and mobile media player
Deng being look for new input method, touch device usually used now is that one kind by touch manner receives input signal
Sensing device.Touch device now can not only sense touch location and also further be integrated with the function that can sense touch pressure
Can, this pressure-sensing provides an additional freedom degree for touch device, and adapts to different input methods, such as hand-written
Pen, finger and gloved hands refer to.
On the other hand, above-mentioned consumer products are in order to carry out wireless signal transfer with another remote-control device, in the product
It has in addition design the function that a wireless signal module is just able to achieve wireless signal transfer.But increase wireless signal in the product
Module often will cause increased costs, and can occupy interiors of products space.And in the existing touching for being integrated with pressure-sensing function
It controls under device, how to further increase its application and present value obtains the direction of research and development.
Utility model content
The electronic device of the embodiment of the utility model not only can sense touch pressure by pressure-sensing component, can also be by
Pressure-sensing component generates wireless signal, and then carries out wireless signal transmitting with another remote-control device.
According to one of the utility model embodiment, a kind of electronic device, which is characterized in that include a substrate, a favour department
Energization bridge circuit, a power module and a controller.Wheatstone bridge circuit includes a first pressure sensing electrode, the first pressure
Power sensing electrode is set on substrate, and wherein a resistance value of first pressure sensing electrode can be with first pressure sensing electrode
The pressure born and change, and first pressure sensing electrode is in coiled type.Power module is electrically connected wheatstone bridge electricity
Road.Controller provides direct current within a period controlling power module and supplies electricity to wheatstone bridge circuit, and controls power module
Exchange, which is provided, in another period supplies electricity to wheatstone bridge circuit.
In some embodiments, power module includes a DC power supply and a switcher for changing DC into AC, and direct current turns
A-c transducer is electrically connected DC power supply and controller.
In some embodiments, power module includes an AC power source and a converter converting AC into DC, and exchange turns
Direct current transducer is electrically connected AC power source and controller.
In some embodiments, wheatstone bridge circuit further includes a second pressure sensing electrode, second pressure sensing
Electrode and first pressure sensing electrode are respectively arranged at the opposing sides of substrate, wherein a resistance value of second pressure sensing electrode
Can be with the pressure change that second pressure sensing electrode is born, and second pressure sensing electrode is in coiled type.
In some embodiments, electronic device further includes a cover board, and cover board covers substrate, cover board have a transparent area with
And an opaque area, opaque area are located at the side of transparent area, power module is covered by opaque area.
In some embodiments, first pressure sensing electrode is covered by transparent area.
In some embodiments, electronic device further includes a flexible circuit board, and flexible circuit board is set to substrate
On, wherein controller is set on flexible circuit board.
In some embodiments, electronic device further includes a galvanometer, and galvanometer is electrically connected first pressure sensing electricity
It is realized big to this pressure to the variation by detecting the resistance value that first pressure sensing electrode generates after being under pressure pole
Small detection.
In some embodiments, electronic device further includes touch-control sensing electrode, and touch-control sensing electrode is in the vertical of substrate
The upright projection with first pressure sensing electrode in substrate is projected at least partly to overlap.
In some embodiments, which is characterized in that it is a kind of can the electronic building brick of wireless control include any above-mentioned electricity
Sub-device and a remote-control device.Remote-control device includes a sensing magnetic fields component and an actuator.Sensing magnetic fields component to
When the first pressure sensing electrode that the wheatstone bridge circuit of electronic device is applied alternating current and electronic device is pressed, sense
Survey a changes of magnetic field caused by electronic device.Actuator to this changes of magnetic field for being sensed according to sensing magnetic fields component,
Change a state of remote-control device.
In above embodiment, in the pressure-sensing electrode of coiled type within the period of exchange power supply, when being pressed
When pressing and generating deformation, the wheatstone bridge circuit comprising pressure-sensing electrode is able to generate alternation because line cycle acts on
Magnetic field, and then the wireless signal for representing deformation quantity is passed out in a manner of electromagnetic wave.In addition, when pressure-sensing electrode is in direct current
In the period of supply, the effect of pressure-sensing can also be achieved.Therefore, the electronic device in the embodiment of the utility model is not only
Can by pressure-sensing electrode senses touch pressure, can also by pressure-sensing electrode generate wireless signal with another remote-control device into
The transmitting of row wireless signal.
The above is only to illustrate the problem of the utility model is can solve, technical means to solve problem and its produce
Raw effect etc., the detail of the utility model by below embodiment and correlative type in be discussed in detail.
Detailed description of the invention
Fig. 1 is painted the sectional view of the electronic device according to one embodiment of the utility model；
Fig. 2 is painted the schematic diagram of the wheatstone bridge circuit according to one embodiment of the utility model；
Fig. 3 is painted the floor map of the pressure-sensing electrode according to one embodiment of the utility model；
Fig. 4 is painted the sectional view of the electronic device according to another embodiment of the utility model；
Fig. 5 is painted the schematic diagram of the wheatstone bridge circuit according to another embodiment of the utility model；
Fig. 6 is painted the floor map of the pressure-sensing electrode according to another embodiment of the utility model；
Fig. 7 be painted according to one embodiment of the utility model can wireless control electronic building brick schematic diagram；
Fig. 8 is painted the electronic device operational flowchart according to one embodiment of the utility model；
Fig. 9 is painted the schematic diagram of the wheatstone bridge circuit according to another embodiment of the utility model；And
Figure 10 is painted the sectional view of the electronic device of the utility model a further embodiment.
Description of symbols：
100：Substrate
200：Wheatstone bridge circuit
210：First pressure sensing electrode
220：Second pressure sensing electrode
240：Galvanometer
300,300a：Power module
310：DC power supply
310a：AC power source
320：Switcher for changing DC into AC
320a：Converter converting AC into DC
400：Controller
500：Flexible circuit board
610：First insulating layer
620：Second insulating layer
630：Third insulating layer
700：Cover board
710：Transparent area
720：Opaque area
730：First surface
740：Second surface
750：Touch-control sensing module
760：Touch-control sensing electrode
770：Driving assembly
800：Remote-control device
810：Sensing magnetic fields component
820：Actuator
900：Electronic device
1000：Method
1011-1015：Step
R1：Resistance
R2：Resistance
Specific embodiment
The plural number embodiment that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.However, being familiar with the technical staff of this field it should be appreciated that in the utility model portion
Divide in embodiment, the details in these practices is not necessary, therefore does not apply to limit the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in a manner of simply illustrating in the drawings.
Fig. 1 is painted the sectional view of the electronic device according to one embodiment of the utility model.Fig. 2 is painted according to shown in Fig. 1
Electronic device circuit diagram.As shown in Fig. 1 and 2, in the present embodiment, electronic device includes comprising substrate 100, the
One pressure-sensing electrode 210, power module 300 and controller 400.First pressure sensing electrode 210 is set to substrate 100
On, the resistance value of first pressure sensing electrode 210 can change with the pressure that first pressure sensing electrode 210 is born
's.
Present embodiment is come with multiple first pressure sensing electrodes 210 for example, all first pressure sensing electrodes
210 be to be set on the surface of the same side of substrate 100, and be electrically connected to power module 300 and controller 400.This
Outside, electronic device further includes flexible circuit board 500, and controller 400 is set on flexible circuit board 500, controller 400
Signal detected to first pressure sensing electrode 210 can be pressed to handle.For example, first pressure sensing electrode 210
Flexible circuit board 500 can be electrically connected to by electrode connecting line (not being illustrated in figure).In one embodiment, the first pressure
Power sensing electrode 210 and other electronic building bricks being set on flexible circuit board 500 and/or substrate 100 collectively form favour department
Energization bridge circuit 200.This wheatstone bridge circuit 200 can be electrically connected power module 300 and controller 400, and can realize pressure
The effect of power sensing.In other embodiments, wheatstone bridge circuit 200 also can by four be set on substrate 100
One pressure-sensing electrode 210 is constituted.
Furthermore, it is understood that first pressure sensing electrode 210 realizes the function of pressure-sensing mainly according to outside to electronics
Device pressure after, first pressure sensing electrode 210 deformation occurs generate resistance value change.Under normal circumstances, first pressure sense
The change relationship of the deformation and resistance value of surveying electrode 210 meets following formula：GF=(Δ R/R)/(Δ L/L)；Wherein, GF is
The strain gauge factor, R are the initial resistivity value of first pressure sensing electrode 210, and L is the initial total of first pressure sensing electrode 210
Length, resistance change Δ R are the resistance change amount of first pressure sensing electrode 210, and Δ L is first pressure sensing electrode
210 total length variable quantity, the wherein changeless situation of the numerical value of the strain gauge factor, initial resistivity value and initial total length
Under, if the length variation delta L of pressure-sensing electrode is bigger, resistance change Δ R is bigger.Therefore, controller 400 can be by
The pressure that first pressure sensing electrode 210 is born is calculated by the resistance change Δ R detected.
More specifically, when carrying out pressure-sensing, direct current is supplied in wheatstone bridge circuit 200, with benefit detection
To stable resistance change Δ R.That is, within the period of pressure-sensing to be carried out, 400 controllable power mould of controller
Block 300 provides direct current within this period and supplies electricity to wheatstone bridge circuit 200.However, controller 400 also may be used in other periods
It controls power module 300 and provides alternating current (frequency is, for example, 60MHz) to wheatstone bridge circuit 200, to realize in addition to pressure
Other function outside sensing, in detail as following.
Fig. 3 is painted the floor map of the pressure-sensing electrode according to one embodiment of the utility model.As shown in Fig. 3,
First pressure sensing electrode 210 is in coiled type, such as round spiral, square spiral shape, other polygonal spiral shapes or its group
Close etc..When the electric current that power module 300 generates passes through the first pressure sensing electrode 210 of this coiled type, and first pressure sense
When survey electrode 210 is pressed and generates deformation, wheatstone bridge circuit 200 can generate alternating voltage, and because line cycle acts on
And the magnetic field of alternation is generated, and then can pass through radio wave mode and represent the receiving pressure of first pressure sensing electrode 210 to transmit
When deformation quantity wireless signal.That is, resistance variations can be generated when first pressure sensing electrode 210 bears pressure
(such as becoming smaller), and then generate curent change (such as becoming larger).Electric current due to flowing through first pressure sensing electrode 210 generates change
Change (such as becoming larger), therefore the magnetic field of first pressure sensing electrode 210 can change (such as becoming larger) with curent change.Therefore,
When being under pressure and generating deformation, wheatstone bridge circuit 200 can produce electromagnetic wave and transmits first pressure sensing electrode 210
Wireless signal.
When being supplied different types of voltage due to wheatstone bridge circuit 200 (such as：Direct current and alternating current) it can be real
Existing different function.Therefore, controller 400 can provide different types of voltage and give wheatstone bridge electricity within the different periods
Road 200, to realize different functions respectively.Furthermore, it is understood that 400 controllable power module 300 of controller is in one first period
Interior offer direct current supplies electricity to wheatstone bridge circuit 200, to realize the function of pressure-sensing, and controls power module 300 one
Exchange is provided in two periods and supplies electricity to wheatstone bridge circuit 200, to realize the function of transmitting wireless signal.It is to be understood that first
Period is different or nonoverlapping from the second period.In this way, which wheatstone bridge circuit 200 not only can be used as pressure-sensing group
Part also can be used as the component of transmitting wireless signal.
In some embodiments, as shown in Fig. 1,2 figures, power module 300 includes that DC power supply 310 and direct current are delivered
Stream transformer 320, switcher for changing DC into AC 320 are electrically connected DC power supply 310 and controller 400.Within the first period, control
Device 400 processed can control switcher for changing DC into AC 320 to be in close state, and supply electricity to wheatstone bridge circuit 200 to provide direct current.
Therefore, within this period, wheatstone bridge circuit 200 can sense the size of pressure.Relatively, within the second period, controller
400 controllable switcher for changing DC into AC 320 are in the open state, and the direct current that DC power supply 310 provides is converted into
Alternating current.Therefore, when first pressure sensing electrode 210 of the alternating current through this coiled type, wheatstone bridge circuit 200 is
Electromagnetic wave be can produce to transmit wireless signal.Supplementary explanation, in other embodiments, power module 300 can and control
Device 400 is integrated into one chip controller.
It please return Fig. 1.In some embodiments, the material of first pressure sensing electrode 210 may include the oxidation of indium tin
Object mixes silver-colored indium tin oxide, nanometer silver wire, graphene, nanometer metal grill, nano carbon tubes or combinations thereof, but the utility model
It is not limited.
In some embodiments, flexible circuit board 500 includes to combine contact (not being painted), is welded in base for correspondence
Bonding pad (not being painted) on plate 100, enables flexible circuit board 500 to be set on substrate 100.For example, such as Fig. 1
Shown in embodiment, flexible circuit board 500 can with first pressure sensing electrode 210 be arranged on the same surface of substrate 100
On.Power module 300 and controller 400 are set on flexible circuit board 500, therefore controller 400 can pass through flexible circuit
Conducting wire (not being painted) on plate 500 is electrically connected power module 300.Power module 300 can be by flexible circuit board 500
Conducting wire (not being painted) be electrically connected combine contact.
In some embodiments, electronic device further includes galvanometer 240, and galvanometer 240 is set to flexible circuit board
On 500.In one embodiment, galvanometer 240 also can be integrated into one chip controller with controller 400.In addition, such as Fig. 2
Shown, galvanometer 240 is electrically connected first pressure sensing electrode 210 and resistance R1 and resistance R2, therefore constitutes wheatstone
Bridge circuit 200.Galvanometer 240 is to pass through detection first pressure sensing electrode 210 and the current value generated after being under pressure
Variation, and the resistance change amount of first pressure sensing electrode 210 is obtained, so that it is big to this pressure to allow controller 400 to realize
Small calculating.
Refer again to Fig. 4 and Fig. 5, Fig. 4 is painted the sectional view of the electronic device according to another embodiment of the utility model,
Fig. 5 is painted the schematic diagram of the wheatstone bridge circuit according to another embodiment of the utility model.Shown in present embodiment and Fig. 1
Electronic device it is roughly the same, discrepancy is, the wheatstone bridge circuit 200 of present embodiment further include second pressure sensing
Electrode 220.Second pressure sensing electrode 220 and first pressure sensing electrode 210 are respectively arranged at the opposing sides of substrate 100,
The wherein pressure change that a resistance value of second pressure sensing electrode 220 can be born with second pressure sensing electrode 220
's.Likewise, second pressure sensing electrode 220 can be designed as being in coiled type with first pressure sensing electrode 210.Implement in part
In mode, as shown in figure 5, second pressure sensing electrode 220 and first pressure sensing electrode 210 further can be set to it is flexible
Property circuit board 500 and/or substrate 100 on other electronic building bricks constitute wheatstone bridge circuit 200.Similar to first pressure sense
Electrode 210 is surveyed, second pressure sensing electrode 220 can sense pressure when being provided direct current with first pressure sensing electrode 210
Power, and when being provided alternating current, wheatstone bridge circuit 200 generates the magnetic field of alternation because line cycle acts on, and then produces
Electromagnetic wave is given birth to transmit shape when for example representing first pressure sensing electrode 210 and the receiving pressure of second pressure sensing electrode 220
The wireless signal of variable.
Since the opposing sides of substrate 100 is arranged in first pressure sensing electrode 210 and second pressure sensing electrode 220
On, therefore first pressure sensing electrode 210 and second pressure sensing electrode 220 can bear stress equal in magnitude but contrary.
For example, when first pressure sensing electrode 210 bears compression stress and resistance becomes smaller, second pressure sensing electrode 220 is then
Bear tensile stress and resistance becomes larger.In this way, the resistance of first pressure sensing electrode 210 and second pressure sensing electrode
The ratio variation of 220 resistance will increase, thus the sensitivity of adherence pressure sensing.
In some embodiments, as shown in fig. 6, wherein Fig. 6 is painted the pressure according to another embodiment of the utility model
The floor map of power sensing electrode supplies electricity to first pressure sensing electrode 210 and second pressure sensing electrode 220 when providing exchange
When, second pressure sensing electrode 220 can generate and the substantial phase of first pressure sensing electrode 210 by the arrangement of coiled type electrode
The magnetic field in anti-direction.For example, when electric current generates downward magnetic field clockwise through first pressure sensing electrode 210,
Electric current can then pass through second pressure sensing electrode 220 counterclockwise, and then generate upward magnetic field.That is, appointing being not affected by
In the case where what stress, it is flat that the magnetic field of first pressure sensing electrode 210 and 220 generation of second pressure sensing electrode can maintain one
Weighing apparatus value.Relatively, when first pressure sensing electrode 210 is by stress, such as compression stress, then second pressure sensing electrode
220 will receive contrary stress, such as tensile stress, in this case, 210 generation of first pressure sensing electrode
Magnetic field can will increase because of compression stress, and the magnetic field of 220 generation of second pressure sensing electrode can subtract because of tensile stress
It is few.Therefore, the magnetic field of first pressure sensing electrode 210 and second pressure sensing electrode 220 will not maintain equilibrium valve, Jin Erke
Wireless signal is issued by electromagnetic wave.
In some embodiments, the material of second pressure sensing electrode 220 can be with first pressure sensing electrode 210
Material is identical.That is, the material of second pressure sensing electrode 220 also may include indium tin oxide, mix silver-colored indium tin oxide,
Nanometer silver wire, graphene, nanometer metal grill, nano carbon tubes or combinations thereof, but the utility model is not limited.
Embodiment as shown in Figure 4, flexible circuit board 500 can according to design and with first pressure sensing electrode 210 or
Second pressure sensing electrode 220 is set on the same surface of substrate 100.In embodiment as shown in Figure 4, substrate 100
It may include the perforation (not being painted) filled with conductive material, when flexible circuit board 500 and first pressure sensing electrode 210 are arranged
At the same surface of substrate 100, the part of flexible circuit board 500 engagement contact can be by described filled with conductive material
It perforates and carrys out electrical connection position in the second pressure sensing electrode 220 of opposite another side；And vice versa.In other embodiments,
Flexible circuit board 500 may be designed as comprising two separated ends, and two ends include to be used to divide in conjunction with contact respectively
The bonding pad not being welded in the opposing sides of substrate 100 comes and first pressure sensing electrode 210 and second pressure sensing electrode
220 are electrically connected.Power module 300 and controller 400 are set on flexible circuit board 500, therefore controller 400 can be by can
Conducting wire (not being painted) on flexible electric circuit board 500 is electrically connected power module 300.Power module 300 can pass through flexible circuit
Conducting wire (not being painted) on plate 500, which is electrically connected, combines contact.
Similarly, as shown in Figures 4 to 6, in some embodiments, electronic device further includes galvanometer 240, inspection stream
Meter 240 is set on flexible circuit board 500.In one embodiment, galvanometer 240 also can be integrated into list with controller 400
One chip controller.In addition, as shown in Fig. 2, galvanometer 240 be electrically connected first pressure sensing electrode 210 and resistance R1 with
Resistance R2, therefore constitute wheatstone bridge circuit 200.Galvanometer 240 to by detection first pressure sensing electrode 210 and/
Or the variation of current value that second pressure sensing electrode 220 generates after being under pressure, and obtain first pressure sensing electrode
210 and/or second pressure sensing electrode 220 resistance change amount, so that controller 400 be allowed to realize to the meter of this pressure size
It calculates.
Fig. 7 be painted according to one embodiment of the utility model can wireless control electronic building brick schematic diagram.As shown in Fig. 7,
In some embodiments, it is a kind of can wireless control electronic building brick include electronic device 900 and remote-control device 800.Electronics
Device 900 may include aforementioned wheatstone bridge circuit 200, power module 300 and controller 400.Remote-control device 800 can be,
For example, wearable device (for example, smart watch).Remote-control device 800 includes sensing magnetic fields component 810 and actuator 820.
Sensing magnetic fields component 810 can sense magnetic field and/or changes of magnetic field.Therefore, when the wheatstone bridge circuit 200 of electronic device 900
When being applied the pressure-sensing electrode of alternating current and electronic device and being pressed, the sensing magnetic fields component 810 in remote-control device 800 can
The wireless signal of deformation quantity when the generation gage pressure sensing electrode receiving pressure that reception electronic device 900 is passed out, and add
A control signal is generated with demodulation process.Actuator 820 to the control signal that is generated according to sensing magnetic fields component 810 come
Change the functional status (for example, regulation volume, opening network or Bluetooth function etc.) of remote-control device 800.In this way, which electronics fills
Setting 900, pressure size when can be pressed according to pressure-sensing electrode carrys out the function actuator state of wireless control remote-control device 800.
Fig. 8 is painted the electronic device operational flowchart according to one embodiment of the utility model.As shown in figure 8, according to this
One of utility model embodiment, a kind of operating method 1000 of electronic device include step 1011 to step 1015.Electronics dress
The operating method set can switch between the first mode and the second mode to operate, wherein the operation content in first mode includes
Step 1011 is executed to step 1013, and includes to execute step 1014 and step 1015 in the operation content of second mode.
In step 1011, under the first period, controller 400 can control switcher for changing DC into AC 320 to be in and close
State, to provide the wheatstone bridge circuit 200 that direct current gives above-mentioned electronic device.Then step 1012 is carried out, at first
Under section, when the pressure-sensing electrode (first pressure sensing electrode and/or second pressure sensing electrode) of wheatstone bridge circuit 200
When receiving pressure makes the resistance value of this electrode generate variation, detection represents first pressure sensing electrode and/or second pressure sense
The resistance change of deformation quantity when survey electrode receiving pressure.Then step 1013 is executed to be become under the first period according to resistance
Change amount obtains the value for the pressure that pressure-sensing electrode is born.
In step 1014, under second period different from the first period, controller 400 can control direct current to deliver circulation
Parallel operation 320 is in the open state, supplies electricity to wheatstone bridge circuit 200 to provide exchange.Step 1015 is subsequently entered, at second
Under section, when the pressure-sensing electrode (first pressure sensing electrode and/or second pressure sensing electrode) of wheatstone bridge circuit 200
When receiving pressure makes the resistance value of pressure-sensing electrode generate variation, radio wave is generated to transmit wireless signal, to pass
Pass the shape when representative first pressure sensing electrode and/or second pressure sensing electrode receiving pressure that aforementioned first period detects
The resistance change of variable.In addition, can be cut to the external device (ED) (such as remote-control device 800 of Fig. 7) for receiving this radio wave
It changes or judges whether to receive this radio wave.
In some embodiments, as shown in Figure 1, electronic device further includes the first insulating layer 610 and cover board 700.First
Insulating layer 610 is covered in first pressure sensing electrode 210, and cover board 700 is covered on the first insulating layer 610.Cover board 700 has
Transparent area 710 and opaque area 720, opaque area 720 are located at the side of transparent area 710.In some embodiments, power supply
Module 300, controller 400 are covered with flexible circuit board 500 by opaque area 720.
In some embodiments, as shown in figure 4, electronic device further includes the first insulating layer 610, second insulating layer 620
With cover board 700.First insulating layer 610 is covered in first pressure sensing electrode 210, and cover board 700 is covered on the first insulating layer
On 610, second insulating layer 620 is covered in second pressure sensing electrode 220.Cover board 700 has transparent area 710 and opaque
Area 720, opaque area 720 are located at the side of transparent area 710.In some embodiments, power module 300, controller 400 with
Flexible circuit board 500 is covered by opaque area 720.
In some embodiments, as shown in Fig. 1 and Fig. 4, first pressure sensing electrode 210 is covered by transparent area 710
Lid.Cover board 700 has first surface 730 and second surface 740, and first surface 730 is oppositely arranged with second surface 740.The
One surface 730, which is available for users to, gives its push action.700 material of cover board can be rigid plastics, strengthened glass, sapphire glass
Deng reinforcing hard plate.The material of substrate 100 can be rigid substrate, such as glass, strengthened glass or sapphire glass, but this is practical
It is novel to be not limited.The material of substrate 100 also can be flexible substrate, such as polyether-ether-ketone (polyetheretherketone；
PEEK), polyimides (polyimide；PI), polyethylene terephthalate (polyethylene terephthalate；
PET), polycarbonate (polycarbonate；PC), polyethylene glycol succinate (polyethylene succinate；
PES), polymethyl methacrylate (polymethylmethacrylate；) and or the materials such as its both any compound PMMA
Material, but the utility model is not limited.
Fig. 9 is painted the schematic diagram of the wheatstone bridge circuit 200 according to another embodiment of the utility model.This embodiment party
Main difference between the pressure-sensing component and aforementioned pressure sensing component of formula：In present embodiment, as shown in figure 9, electric
Source module 300a includes AC power source 310a and converter converting AC into DC 320a, and converter converting AC into DC 320a is electrical
Connect AC power source 310a and controller 400.Within the first period, controller 400 can control converter converting AC into DC 320a
It is in the open state, the AC power source 310a alternating current provided is converted into direct current, so that providing direct current supplies electricity to favour department
Energization bridge circuit 200 is to carry out pressure-sensing.Within the second period, controller 400 can control converter converting AC into DC 320a
It is in close state, the AC power source 310a alternating current provided is supplied to wheatstone bridge circuit 200.Therefore, work as exchange
When first pressure sensing electrode 210 of the electric current through this coiled type and second pressure sensing electrode 220, that is, it can produce electromagnetic wave and pass
Pass wireless signal.Other features referred in Fig. 1 and Fig. 2 shown in Fig. 6, such as the record previously with regard to Fig. 1 and Fig. 2
It is described, it, will not repeated description in order to maintain the succinct of specification.
Figure 10 is painted the sectional view of the electronic device of the utility model a further embodiment.As shown in Figure 10, electronic device
It more can further include a touch-control sensing module 750, touch-control sensing module 750 can be located under cover board 700, and and Hui Sitong
Bridge circuit (including first pressure sensing electrode 210) is arranged in stacking.For example, in the structure that Figure 10 is drawn, touch-control sensing
Module 750 and wheatstone bridge circuit are respectively arranged at the opposing sides of substrate 100.
Specifically, embodiment as shown in Figure 10, touch-control sensing module 750 is located at the lower surface of substrate 100, and touches
Controlling sensing module 750 includes touch-control sensing electrode 760 and driving assembly 770, and touch-control sensing electrode 760 is settable and is contacted with base
The lower surface of plate 100, and position is in transparent area 710, and touch-control sensing electrode 760 is in the upright projection and the first pressure of substrate 100
Power sensing electrode 210 at least partly overlaps in the upright projection of substrate 100.Driving assembly 770 be in opaque area 720,
And it is electrically connected touch-control sensing electrode 760.In addition, touch-control sensing electrode 760 may include multiple electrode pads, and insulated by third
Layer 630 covers.
When electronic device is touched, driving assembly 770 can pass through the change of the coupled capacitor between touch-control sensing electrode 760
Change and calculates by the position touched, meanwhile, being formed by wheatstone bridge circuit by first pressure sensing electrode 210 can also
Offer effect will sense touch pressure, generation wireless signal and touch function and be integrated in same electronic device.Above-mentioned touching
The setting position for controlling sensing module 750 is only to illustrate, i.e., touch-control sensing module 750 may also be arranged on other positions, in other realities
It applies in mode, touch-control sensing module 750 can also be with wheatstone bridge circuit (including first pressure sensing electrode 210) common position
In the same side of substrate 100, for example, touch-control sensing module 750 may be provided at cover board 700 and first pressure sensing electrode
Between 210, and still it is arranged with first pressure sensing electrode 210 in stacking.In addition to this, touch-control sensing module 750 can also wrap
Containing insulating layer or substrate, it is integrated in together with the internal structure of benefit itself and electronic device.
Although the utility model is disclosed above with embodiment, so it is not intended to limit the utility model, any ripe
This those skilled in the art is practised, in the spirit and scope for not departing from the utility model, may make various changes and modifications, therefore this is practical
Subject to novel protection scope claim institute defender attached after view.
Claims (10)
1. a kind of electronic device, which is characterized in that include：
One substrate；
One wheatstone bridge circuit includes a first pressure sensing electrode, which is set on the substrate,
Wherein a resistance value of the first pressure sensing electrode changes with the pressure that the first pressure sensing electrode is born, and
The first pressure sensing electrode is in coiled type；
One power module is electrically connected the wheatstone bridge circuit；And
One controller provides direct current within a period controlling the power module and supplies electricity to the wheatstone bridge circuit, and controls
The power module provides exchange in another period and supplies electricity to the wheatstone bridge circuit.
2. electronic device according to claim 1, which is characterized in that the power module includes：
One DC power supply；And
One switcher for changing DC into AC is electrically connected the DC power supply and the controller.
3. electronic device according to claim 1, which is characterized in that the power module includes：
One AC power source；And
One converter converting AC into DC is electrically connected the AC power source and the controller.
4. electronic device according to claim 1, which is characterized in that the wheatstone bridge circuit further includes：
One second pressure sensing electrode is respectively arranged at the opposing sides of the substrate with the first pressure sensing electrode, wherein should
One resistance value of second pressure sensing electrode can with the pressure change that the second pressure sensing electrode is born, and this
Two pressure-sensing electrodes are in coiled type.
5. electronic device according to claim 1, which is characterized in that further include：
One cover board covers the substrate, which has a transparent area and an opaque area, which is located at the transparent area
Side, which is covered by the opaque area.
6. electronic device according to claim 5, which is characterized in that the first pressure sensing electrode is covered by the transparent area
Lid.
7. electronic device according to claim 1, which is characterized in that further include：
One flexible circuit board is set on the substrate, and wherein the controller is set on the flexible circuit board.
8. electronic device according to claim 1, which is characterized in that further include：
One galvanometer is electrically connected the first pressure sensing electrode, detects the first pressure sensing electrode after by the pressure
The variation of the resistance value generated.
9. electronic device according to claim 1, which is characterized in that further include：
One touch-control sensing electrode, the touch-control sensing electrode is in the upright projection of the substrate and the first pressure sensing electrode in the base
The upright projection of plate at least partly overlaps.
10. one kind can wireless control electronic building brick, which is characterized in that include：
Just like electronic device described in any one of claims 1 to 9；And
One remote-control device includes：
One sensing magnetic fields component is applied the alternating current to the wheatstone bridge circuit when the electronic device and the electronics fills
When the first pressure sensing electrode set is pressed, the wireless signal that the electronic device is passed out is received, and wireless to this
Signal demodulation generates a control signal；And
One actuator changes a function of the remote-control device to the wireless signal according to caused by the sensing magnetic fields component
State.
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| CN201721779767.4U CN208110553U (en) | 2017-12-19 | 2017-12-19 | Electronic device with can wireless control electronic building brick |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109933230A (en) * | 2017-12-19 | 2019-06-25 | 祥达光学（厦门）有限公司 | Method that electronic device is operated with it with can wireless control electronic building brick |
| CN112083824A (en) * | 2019-06-12 | 2020-12-15 | 三星显示有限公司 | Electronic device |
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2017
- 2017-12-19 CN CN201721779767.4U patent/CN208110553U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109933230A (en) * | 2017-12-19 | 2019-06-25 | 祥达光学（厦门）有限公司 | Method that electronic device is operated with it with can wireless control electronic building brick |
| CN112083824A (en) * | 2019-06-12 | 2020-12-15 | 三星显示有限公司 | Electronic device |
| CN112083824B (en) * | 2019-06-12 | 2023-12-29 | 三星显示有限公司 | Electronic device |
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