CN208576527U - A kind of wireless alarm system based on vibration micro-energy - Google Patents
A kind of wireless alarm system based on vibration micro-energy Download PDFInfo
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- CN208576527U CN208576527U CN201820365771.4U CN201820365771U CN208576527U CN 208576527 U CN208576527 U CN 208576527U CN 201820365771 U CN201820365771 U CN 201820365771U CN 208576527 U CN208576527 U CN 208576527U
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Abstract
The utility model discloses a kind of wireless alarm systems based on vibration micro-energy, the vibration transducing head of electric energy is converted into including the mechanical energy for generating vehicle window vibration, store the energy collection circuit of electric energy, control unit, the calling module of information is sent to user, the vibration transducing head is electrically connected the energy collection circuit, the energy collection circuit is to described control unit, the calling module power supply, described control unit is electrically connected the vibration transducing head, the energy collection circuit, mechanical energy is converted to electric energy by PZT piezoelectric ceramics by the calling module system, the electric energy being converted is stored by voltage doubling rectifing circuit, by the operating voltage of the controlling electric energy of storage to electrical appliance, gsm module is controlled by MCU to transmit, client receives warning message as terminal, with low-power consumption, Miniaturization, the fast advantage of processing speed save the energy.
Description
Technical field
The utility model relates to a kind of wireless alarm systems based on vibration micro-energy, belong to automotive theft proof system technology neck
Domain.
Background technique
Present automotive theft proof system mainly based on engine anti-theft, is still deposited the protection of vehicle window and interior property
In deficiency, place especially few in night, people, vehicle window is pounded, the case of stolen property happens occasionally.And as car owner often
It even can just discover later within two days, be unfavorable for cracking for entire case.Therefore, if pounded in vehicle window, interior property is by face
When facing threat, car owner can receive warning message in time, then being just avoided that many unnecessary losses.Even if cannot prevent from being stolen
Surreptitiously, it is also beneficial to the police to chase criminal according to the correct time of crime, this has great help for solving a case.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and is provided a kind of based on the micro- energy of vibration
The wireless alarm system of amount, using the structure design method of " transducing head+energy storage original part+microprocessor+calling module ", vibration
The mechanical energy that vehicle window vibrates is converted to electric energy as power supply by transducing head, judges certain vibration frequency by microprocessor, and
Short message alarm and reminding, the advantage for having low-power consumption, miniaturization, processing speed fast are completed by transmitting device.
In order to achieve the above objectives, the utility model provides a kind of based on the wireless alarm system for vibrating micro-energy, including with
The vibration transducing head of electric energy, the energy collection circuit for storing electric energy, control are converted into the mechanical energy for generating vehicle window vibration
Unit, the calling module that information is sent to user, the vibration transducing head are electrically connected the energy collection circuit, the energy
Collecting circuit is powered to described control unit, the calling module, and described control unit is electrically connected the vibration transducing dress
It sets, the energy collection circuit, the calling module.
Preferentially, the vibration transducing head includes cantilever beam, several piezoelectric ceramic pieces, the cantilever beam top fitting
On vehicle window, symmetrically fixation is pasted onto the cantilever beam middle-end close to the cantilever beam bottom end to several described piezoelectric ceramic pieces
Two sides, the cantilever beam bottom end is fixed in the car door, connection after several described piezoelectric ceramic pieces are parallel with one another
Described control unit.
Preferentially, the energy collection circuit includes function generator XFG1, oscillograph XSC1, capacitor C1, capacitor C2, electricity
Hold C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, diode D1, two poles
Pipe D2, diode D3, diode D4, diode D5, diode D6, diode D7, diode D8, diode D9, diode
D10, the negative pole end of the function generator XFG1, the capacitor C1, the capacitor C3, the capacitor C5, the capacitor C7, institute
State capacitor C9, the diode D9, the diode D8, the diode D7, the diode D6, the diode D5, institute
State diode D4, the diode D3, the diode D2, the diode D1, function generator XFG1 positive terminal successively
Series connection, the positive terminal ground connection of the function generator XFG1, the node between the capacitor C9 and the diode D9 are successively gone here and there
Join the diode D10, the capacitor C10, the capacitor C8, the capacitor C6, the capacitor C4, the capacitor C2 to be followed by
Ground,
Node between the capacitor C1, the capacitor C3 connects the section between the diode D2, the diode D1
Point, the node between the capacitor C3, the capacitor C5 connect the node between the diode D4, the diode D3, institute
It states the node between capacitor C5, the capacitor C7 and connects node between the diode D6, the diode D5, the capacitor
Node between C7, the capacitor C9 connects the node between the diode D8, the diode D7,
Node between the diode D2, the diode D3 connects the section between the capacitor C4, the capacitor C2
Point, the node between the diode D4, the diode D5 connect the node between the capacitor C6, the capacitor C4, institute
It states the node between diode D6, the diode D7 and connects node between the capacitor C6, the capacitor C8, two pole
Node between pipe D8, the diode D9 connects the node between the capacitor C8, the capacitor C10,
Node between the diode D10, the capacitor C10 connects the anode of the oscillograph XSC1, the capacitor
One end of C11, the negativing ending grounding of the capacitor C11 other end, the oscillograph XSC1.
Vibrating sensor, which should be substituted for piezoelectric ceramic piece, first (has two because of piezoelectric ceramics effect, first is to pass through mould
Number converter detects Oscillation Amplitude, this is the function of sensor, and second is to produce electricl energy, and vibrating sensor can not generate energy
), secondly only one input port of voltage doubling rectifier module, another by one section of two lines ground connection of tabletting potsherd in parallel
Terminate input port.
Preferentially, described control unit is single-chip microcontroller MSP430F169, after several described piezoelectric ceramic pieces are parallel with one another
Connect the P6.0 pin i.e. input pin of built-in D/A converter of the single-chip microcontroller MSP430F169.
Preferentially, the calling module is SIM800L module, and the port VCC of SIM800L module connects single-chip microcontroller
The vdd terminal mouth of MSP430F169, the port RXD of the port the RXD connection single-chip microcontroller MSP430F169 of SIM800L module, SIM800L
The port P3.5 of the port the TXD connection single-chip microcontroller MSP430F169 of module, the port the GND ground connection of SIM800L module.
Preferentially, the energy storage includes capacitor C11, and one end of the capacitor C11 connects single-chip microcontroller MSP430F169
Vdd terminal, the end GND of the other end connection single-chip microcontroller MSP430F169 of the capacitor C11, the voltage rating of capacitor C11 is
5.5v, rated capacitance 1F.
Preferentially, piezoelectric ceramic piece is PZT piezoelectric ceramic piece, including multiple PZT piezoelectric ceramic pieces, particular number take
The certainly total power consumption of system, electric energy caused by more piezoelectric ceramic piece parallel connections are more.
Preferentially, including input device and display device, the input unit are matrix keyboard, and the Y1 of matrix keyboard draws
Foot, Y2 pin, Y3 pin, Y4 pin, X1 pin, X2 pin, X3 pin, X4 pin are separately connected single-chip microcontroller MSP430F169's
P1.0 pin, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin, P1.7 pin；It is described
Display device is LCD display, and RS pin, RW pin, EN pin, PSB pin, RST pin, the DATA [0] of LCD display draw
Foot, DATA [1] pin, DATA [2] pin, DATA [3] pin, DATA [4] pin, DATA [5] pin, DATA [6] pin,
DATA [7] pin is separately connected P5.4 pin, P5.3 pin, P5.2 pin, the P5.1 pin, P5.0 of single-chip microcontroller MSP430F169
Pin, P4.7 pin, P4.6 pin, P4.5 pin, P4.4 pin, P4.3 pin, P4.2 pin, P4.1 pin, P4.0 pin.
Preferentially, the cathode of several piezoelectric ceramic piece contiguous function generators XFG1, the left side pin of oscillograph XFG1
For the grounding pin of voltage doubling rectifing circuit, the right end pin of oscillograph XSC1 is the Output output pin of energy storage circuit,
Oscillograph XSC1 left end pin is the grounding pin of energy storage circuit.
The utility model it is achieved the utility model has the advantages that
Mechanical energy is converted to electric energy by PZT piezoelectric ceramics, the electric energy being converted is passed through voltage doubling rectifing circuit by system
It stores, transmitted by the operating voltage of the controlling electric energy of storage to electrical appliance, by MCU control gsm module, client is as eventually
End receives warning message, has low-power consumption, miniaturization, and the fast advantage of processing speed saves the energy；
The coefficient of strain of organic piezoelectric materials is relatively low, limits the development in faint collection of energy field, and as nothing
The representative of machine tabletting ceramic material, piezoelectric ceramics have many advantages, such as that dielectric coefficient is high, piezoelectric property is stronger, easy to process；
The utility model uses cantilever piezoelectric energy converter, and compare other supporting way, beam type structural support
Mode is simple, is easily installed and energy conversion efficiency with higher；Using more voltage doubling rectifing circuits, compared to more traditional fortune
Amplifier is calculated, more voltage doubling rectifing circuits do not need external power supply, only utilize diode and capacity cell, so that it may to input signal
Carry out amplification at double.Different pairs of with whole bridge rectifier circuit is that more voltage-multiplying circuits can be obtained by cascading multiple two voltage-multiplying circuits
To arbitrary multiplication of voltage value；
The single-chip microcontroller model that we select is that MSP430F169 is a 16 super low-power consumption MCU, and supply voltage uses 1.8
~3.6V low-voltage reduces system power dissipation, improves an effective means of integral energy utilization efficiency；
In calling module, using the SIM800L in gsm module, this is a super low-power consumption calling module, and installation is more
Convenient, a large amount of wiring cost saved improves the whole flexibility of equipment, and user can input oneself letter to MCU
Breath, achievees the purpose that personal settings.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the schematic diagram that piezoelectric ceramic piece accepts deformation in the present invention；
Fig. 3 is the circuit diagram of more voltage doubling rectifing circuits and energy storage circuit in the present invention；
Fig. 4 is the waveform diagram of more voltage doubling rectifing circuit outputs in the present invention；
Fig. 5 is circuit diagram of the invention.
Specific embodiment
The utility model is further described with reference to the accompanying drawing, following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
A kind of wireless alarm system based on vibration micro-energy is converted into including the mechanical energy for generating vehicle window vibration
The vibration transducing head of electric energy stores the energy collection circuit of electric energy, control unit, the calling module for sending to user information,
The vibration transducing head is electrically connected the energy collection circuit, and the energy collection circuit is to described control unit, the hair
Believe module for power supply, described control unit is electrically connected the vibration transducing head, the energy collection circuit, described transmits mould
Block.
Further, the vibration transducing head includes cantilever beam, several piezoelectric ceramic pieces, the cantilever beam top patch
It closes on vehicle window, symmetrically fixation is pasted onto the cantilever beam middle-end close to the cantilever beam bottom to several described piezoelectric ceramic pieces
The two sides at end, the cantilever beam bottom end are fixed in the car door, are connected after several described piezoelectric ceramic pieces are parallel with one another
Connect described control unit.
Further, the energy collection circuit include function generator XFG1, oscillograph XSC1, capacitor C1, capacitor C2,
Capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, diode D1, two
Pole pipe D2, diode D3, diode D4, diode D5, diode D6, diode D7, diode D8, diode D9, diode
D10, the negative pole end of the function generator XFG1, the capacitor C1, the capacitor C3, the capacitor C5, the capacitor C7, institute
State capacitor C9, the diode D9, the diode D8, the diode D7, the diode D6, the diode D5, institute
State diode D4, the diode D3, the diode D2, the diode D1, function generator XFG1 positive terminal successively
Series connection, the positive terminal ground connection of the function generator XFG1, the node between the capacitor C9 and the diode D9 are successively gone here and there
Join the diode D10, the capacitor C10, the capacitor C8, the capacitor C6, the capacitor C4, the capacitor C2 to be followed by
Ground,
Node between the capacitor C1, the capacitor C3 connects the section between the diode D2, the diode D1
Point, the node between the capacitor C3, the capacitor C5 connect the node between the diode D4, the diode D3, institute
It states the node between capacitor C5, the capacitor C7 and connects node between the diode D6, the diode D5, the capacitor
Node between C7, the capacitor C9 connects the node between the diode D8, the diode D7,
Node between the diode D2, the diode D3 connects the section between the capacitor C4, the capacitor C2
Point, the node between the diode D4, the diode D5 connect the node between the capacitor C6, the capacitor C4, institute
It states the node between diode D6, the diode D7 and connects node between the capacitor C6, the capacitor C8, two pole
Node between pipe D8, the diode D9 connects the node between the capacitor C8, the capacitor C10,
Node between the diode D10, the capacitor C10 connects the anode of the oscillograph XSC1, the capacitor
One end of C11, the negativing ending grounding of the capacitor C11 other end, the oscillograph XSC1.
Vibrating sensor, which should be substituted for piezoelectric ceramic piece, first (has two because of piezoelectric ceramics effect, first is to pass through mould
Number converter detects Oscillation Amplitude, this is the function of sensor, and second is to produce electricl energy, and vibrating sensor can not generate energy
), secondly only one input port of voltage doubling rectifier module, another by one section of two lines ground connection of tabletting potsherd in parallel
Terminate input port.
Further, described control unit is single-chip microcontroller MSP430F169, several described piezoelectric ceramic pieces are parallel with one another
The P6.0 pin i.e. input pin of built-in D/A converter of the single-chip microcontroller MSP430F169 is connected afterwards.
Further, the calling module is SIM800L module, and the port VCC of SIM800L module connects single-chip microcontroller
The vdd terminal mouth of MSP430F169, the port RXD of the port the RXD connection single-chip microcontroller MSP430F169 of SIM800L module, SIM800L
The port P3.5 of the port the TXD connection single-chip microcontroller MSP430F169 of module, the port the GND ground connection of SIM800L module.
Further, the energy storage includes capacitor C11, and one end of the capacitor C11 connects single-chip microcontroller
The vdd terminal of MSP430F169, the end GND of the other end connection single-chip microcontroller MSP430F169 of the capacitor C11, the volume of capacitor C11
Constant voltage is 5.5v, rated capacitance 1F.
Further, piezoelectric ceramic piece is PZT piezoelectric ceramic piece, including multiple PZT piezoelectric ceramic pieces, particular number
Depend on the total power consumption of system, electric energy caused by more piezoelectric ceramic piece parallel connections is more.
Further, including input device and display device, the input unit are matrix keyboard, and the Y1 of matrix keyboard draws
Foot, Y2 pin, Y3 pin, Y4 pin, X1 pin, X2 pin, X3 pin, X4 pin are separately connected single-chip microcontroller MSP430F169's
P1.0 pin, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin, P1.7 pin；It is described
Display device is LCD display, and RS pin, RW pin, EN pin, PSB pin, RST pin, the DATA [0] of LCD display draw
Foot, DATA [1] pin, DATA [2] pin, DATA [3] pin, DATA [4] pin, DATA [5] pin, DATA [6] pin,
DATA [7] pin is separately connected P5.4 pin, P5.3 pin, P5.2 pin, the P5.1 pin, P5.0 of single-chip microcontroller MSP430F169
Pin, P4.7 pin, P4.6 pin, P4.5 pin, P4.4 pin, P4.3 pin, P4.2 pin, P4.1 pin, P4.0 pin.
Analog-digital converter is that 12 ADC, P6.0/P6.1 pin built in MSP430F169 are the input pins of ADC, passes through volume
Journey selects P6.0 pin as input pin, the second function, that is, ADC function of simultaneous selection P6.0 pin.
Further, the cathode of several piezoelectric ceramic piece contiguous function generators XFG1 is voltage doubling rectifing circuit
Input input pin, the left side pin of oscillograph XFG1 are the grounding pin of voltage doubling rectifing circuit, and the right end of oscillograph XSC1 draws
Foot is the Output output pin of energy storage circuit, and oscillograph XSC1 left end pin is the grounding pin of energy storage circuit.
Interior property is stolen in order to solve the problems, such as that thief destroys vehicle window, energy is generated by analysis vehicle window high vibration
Amount collects the principle with management in conjunction with vibration micro-energy, and the utility model utilizes single-chip microcontroller and gsm module, will vibrate institute first
The mechanical energy of generation is converted into electric energy, and selection is most suitable for the piezoelectric material in faint mechanical oscillation transducing field, is the storage of electric energy
It lays the foundation with utilizing.For convenience of save the cost, the lower PZT piezoelectric ceramics of and price larger using piezoelectric constant is as pressure
The piezoelectric material of electric transducing head.For the cantilever piezoelectric energy converter that we use, piezoelectric ceramics is in piezoelectric cantilever
Paste position on beam has very important influence to piezoelectric cantilever energy converter generating efficiency, therefore, in order to utmostly
Acquisition charge improve piezoelectric cantilever generating efficiency, piezoelectric ceramics is pasted at cantilever beam strain maximum position, and is passed through
Theory analysis is it is found that be in cantilever beam root at cantilever beam strain maximum position.What it is due to vibration transducing head generation is one
The ac signal of low frequency, low amplitude, and the DC signal that MSP430 requires 3V or more with calling module is powered,
So having to before energy-storage travelling wave tube plus one can be in the voltage-multiplying circuit for passively amplifying rectification to ac signal.
The utility model designs front stage circuits of more voltage doubling rectifing circuits as collection of energy, uses super capacitor as energy storage original part,
By the power storage being collected into and output.Consider from power supply angle, by theory analysis it is found that the super capacitor rated output of 1F
Power can achieve the electric energy of 15.125J, and continue output 250 seconds, meet the power demands of low power consuming devices.Simultaneously research with
Amplitude is related, controls whether the algorithm transmitted, realizes according to different size of amplitude, and whether interpretation takes alarm measure, and will
The control errors of amplitude meet the identification requirement of alarm device within claimed range.The use for finally studying gsm module, passes through
MCU control gsm module transmits.So that user can receive alarm content by short message.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (9)
1. a kind of wireless alarm system based on vibration micro-energy, which is characterized in that including the machine for generating vehicle window vibration
Tool can be converted into the vibration transducing head of electric energy, store the energy collection circuit of electric energy, control unit, send information to user
Calling module, the vibration transducing head are electrically connected the energy collection circuit, and the energy collection circuit is single to the control
The power supply of first, described calling module, described control unit be electrically connected the vibration transducing head, the energy collection circuit,
The calling module.
2. a kind of wireless alarm system based on vibration micro-energy according to claim 1, which is characterized in that the vibration
Transducing head includes cantilever beam, several piezoelectric ceramic pieces, and the cantilever beam top is fitted on vehicle window, several described piezoelectricity
Potsherd is symmetrically fixed to be pasted onto the cantilever beam middle-end close to the two sides of the cantilever beam bottom end, and the cantilever beam bottom end is solid
It is fixed to be arranged in car door, described control unit is connected after several described piezoelectric ceramic pieces are parallel with one another.
3. a kind of wireless alarm system based on vibration micro-energy according to claim 1, which is characterized in that the energy
Collecting circuit includes function generator XFG1, oscillograph XSC1, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor
C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, diode D1, diode D2, diode D3, diode D4,
Diode D5, diode D6, diode D7, diode D8, diode D9, diode D10, the function generator XFG1 it is negative
Extremely, the capacitor C1, the capacitor C3, the capacitor C5, the capacitor C7, the capacitor C9, the diode D9, described
Diode D8, the diode D7, the diode D6, the diode D5, the diode D4, the diode D3, institute
State diode D2, the diode D1, function generator XFG1 positive terminal be sequentially connected in series, the function generator XFG1 is just
Extreme ground connection, the node between the capacitor C9 and the diode D9 be sequentially connected in series the diode D10, the capacitor C10,
It is grounded after the capacitor C8, the capacitor C6, the capacitor C4, the capacitor C2,
Node between the capacitor C1, the capacitor C3 connects the node between the diode D2, the diode D1, institute
It states the node between capacitor C3, the capacitor C5 and connects node between the diode D4, the diode D3, the capacitor
Node between C5, the capacitor C7 connects the node between the diode D6, the diode D5, the capacitor C7, institute
It states the node between capacitor C9 and connects node between the diode D8, the diode D7,
Node between the diode D2, the diode D3 connects the node between the capacitor C4, the capacitor C2, institute
It states the node between diode D4, the diode D5 and connects node between the capacitor C6, the capacitor C4, two pole
Node between pipe D6, the diode D7 connects the node between the capacitor C6, the capacitor C8, the diode D8,
Node between the diode D9 connects the node between the capacitor C8, the capacitor C10,
Node between the diode D10, the capacitor C10 connects the anode of the oscillograph XSC1, the capacitor C11
One end, the negativing ending grounding of the capacitor C11 other end, the oscillograph XSC1.
4. a kind of wireless alarm system based on vibration micro-energy according to claim 1, which is characterized in that the control
Unit is single-chip microcontroller MSP430F169, the connection single-chip microcontroller MSP430F169 after several described piezoelectric ceramic pieces are parallel with one another
P6.0 pin, that is, built-in D/A converter input pin.
5. a kind of wireless alarm system based on vibration micro-energy according to claim 4, which is characterized in that described to transmit
Module is SIM800L module, the vdd terminal mouth of the port the VCC connection single-chip microcontroller MSP430F169 of SIM800L module, SIM800L mould
The port RXD of the port the RXD connection single-chip microcontroller MSP430F169 of block, the port TXD of SIM800L module connects single-chip microcontroller
The port P3.5 of MSP430F169, the port the GND ground connection of SIM800L module.
6. a kind of wireless alarm system based on vibration micro-energy according to claim 4, it is characterised in that the energy
Storage includes capacitor C11, and the vdd terminal of one end connection single-chip microcontroller MSP430F169 of the capacitor C11, the capacitor C11's is another
One end connects the end GND of single-chip microcontroller MSP430F169, and the voltage rating of capacitor C11 is 5.5v, rated capacitance 1F.
7. a kind of wireless alarm system based on vibration micro-energy according to claim 2, which is characterized in that piezoelectric ceramics
Piece is PZT piezoelectric ceramic piece, including multiple PZT piezoelectric ceramic pieces.
8. a kind of wireless alarm system based on vibration micro-energy according to claim 4, which is characterized in that including input
Device and display device, the input unit are matrix keyboard, the Y1 pin of matrix keyboard, Y2 pin, Y3 pin, Y4 pin,
The P1.0 pin, P1.1 pin, P1.2 that X1 pin, X2 pin, X3 pin, X4 pin are separately connected single-chip microcontroller MSP430F169 draw
Foot, P1.3 pin, P1.4 pin, P1.5 pin, P1.6 pin, P1.7 pin；The display device is LCD display, and LCD is aobvious
RS pin, RW pin, EN pin, PSB pin, RST pin, DATA [0] pin, DATA [1] pin, the DATA [2] of display screen draw
Foot, DATA [3] pin, DATA [4] pin, DATA [5] pin, DATA [6] pin, DATA [7] pin are separately connected single-chip microcontroller
The P5.4 pin of MSP430F169, P5.3 pin, P5.2 pin, P5.1 pin, P5.0 pin, P4.7 pin, P4.6 pin,
P4.5 pin, P4.4 pin, P4.3 pin, P4.2 pin, P4.1 pin, P4.0 pin；
Analog-digital converter is that 12 ADC, P6.0/P6.1 pin built in MSP430F169 are the input pins of ADC, is selected by programming
P6.0 pin is selected as input pin, the second function, that is, ADC function of simultaneous selection P6.0 pin.
9. a kind of wireless alarm system based on vibration micro-energy according to claim 3, which is characterized in that several pressures
The cathode of electroceramics piece contiguous function generator XFG1, the left side pin of oscillograph XFG1 are the grounding lead of voltage doubling rectifing circuit
Foot, the right end pin of oscillograph XSC1 are the Output output pin of energy storage circuit, and oscillograph XSC1 left end pin is energy
Measure the grounding pin of storage circuit.
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| CN201820365771.4U CN208576527U (en) | 2018-03-16 | 2018-03-16 | A kind of wireless alarm system based on vibration micro-energy |
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| CN201820365771.4U CN208576527U (en) | 2018-03-16 | 2018-03-16 | A kind of wireless alarm system based on vibration micro-energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900375A (en) * | 2019-03-22 | 2019-06-18 | 陕西科技大学 | A kind of wireless temperature measurement system and its temp measuring method and application based on micro-energy acquisition |
| CN113489121A (en) * | 2021-07-02 | 2021-10-08 | 北京印刷学院 | Self-powered electronic display screen based on electromagnetism and vibration energy collector |
-
2018
- 2018-03-16 CN CN201820365771.4U patent/CN208576527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900375A (en) * | 2019-03-22 | 2019-06-18 | 陕西科技大学 | A kind of wireless temperature measurement system and its temp measuring method and application based on micro-energy acquisition |
| CN113489121A (en) * | 2021-07-02 | 2021-10-08 | 北京印刷学院 | Self-powered electronic display screen based on electromagnetism and vibration energy collector |
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