CN110011675A - A kind of intelligence boot low frequencies trigger - Google Patents
A kind of intelligence boot low frequencies trigger Download PDFInfo
- Publication number
- CN110011675A CN110011675A CN201910291167.0A CN201910291167A CN110011675A CN 110011675 A CN110011675 A CN 110011675A CN 201910291167 A CN201910291167 A CN 201910291167A CN 110011675 A CN110011675 A CN 110011675A
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- Prior art keywords
- low frequency
- circuit
- generation circuit
- low
- crystal oscillator
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
Abstract
The application provides a kind of intelligent boot low frequencies trigger, comprising: the low frequency analog circuit and low frequency generation circuit of electrical connection, and the power module powered for the low frequency analog circuit and the low frequency generation circuit；Wherein, the low frequency analog circuit includes a digit counter chip, and the digit counter chip is sent to the input terminal of the low frequency generation circuit by the height pulse of external crystal oscillator output rule；The low frequency generation circuit periodically controls the on-off of triode, generates the pulse signal of fixed cycle, issue low frequency signal by electromagnetic induction according to the height pulse of input.The application realizes the transmitting of low frequency signal, wakes up to the intelligent boot under dormant state, reduces artificial caused maloperation, guarantees intelligent boot low-power consumption work, extends service time of battery to greatest extent.
Description
Technical field
The present invention relates to financial security field more particularly to a kind of intelligent boot low frequencies triggers.
Background technique
Boot is the tool that the financial fields such as bank carry out the important property transhipment such as fund, bill, preservation.Currently, bank
Site is numerous, and boot is large number of, manages more difficult and cumbersome, easy error.There is handover, lose in boot
Or the security risks such as stolen, illegal unlatching.For example, bank can not timely and accurately know illegally after boot is illegally opened
The time of unlatching and number can not make a response in time, also can not and alarm or take corresponding treatment measures.
Although existing boot has the function of handover record, these record data are stored in the main control chip of boot,
Main control chip is battery powered.Since the comparision of quantity of electricity of battery is limited, this make power consumption, stand-by time at performance requirement weight
Want index.It takes the mode of suspend mode that can reduce the power consumption of boot and extends stand-by time, but obtain the operation note of boot
And warning message needs first to wake up the main control chip.In order to reach power saving low-power consumption, most boot is waken up using mechanical unlock
Main control chip or push button exciting main control chip, and obtain boot operation note and warning message need to unpack after pass through USB
Data line is read, and results in a large amount of maloperation and exists, can neither reach real power saving.
Summary of the invention
It is right by 125Khz low frequency signal the purpose of the present invention is to provide a kind of intelligent boot low frequencies trigger
Specific intelligence boot is waken up, and a certain range of intelligent boot can also be waken up in batches, thus caused by reducing artificially accidentally
Operation guarantees intelligent boot low-power consumption work, extends service time of battery to greatest extent.
To achieve the above object, the invention adopts the following technical scheme:
A kind of intelligence boot low frequencies trigger, comprising:
The low frequency analog circuit and low frequency generation circuit of electrical connection, and produced for the low frequency analog circuit and the low frequency
The power module of raw circuit power supply；Wherein,
The low frequency analog circuit includes a digit counter chip, and the digit counter chip passes through an external crystal oscillator
The height pulse of output rule is sent to the input terminal of the low frequency generation circuit；
The low frequency generation circuit periodically controls the on-off of triode according to the height pulse of input, generates fixation
The pulse signal in period issues low frequency signal by electromagnetic induction.
Preferably, the frequency of the low frequency signal is 125KHz.
Preferably, the digit counter chip uses 74HC4060 chip.
Preferably, the digit counter chip includes crystal oscillator port A and crystal oscillator port B, the crystalline substance
Oscillation body device port A connects the both ends of a crystal oscillator with the crystal oscillator port B；
The both ends of the crystal oscillator pass through a capacity earth respectively；
It connects between one end of the crystal oscillator and the crystal oscillator port B resistance；
Another resistance is connected between the crystal oscillator port A and the crystal oscillator port B.
Preferably, the low frequency generation circuit includes:
Push-pull circuit, the push-pull circuit are made of NPN type triode and PNP type triode, the NPN type triode
Base stage is connected to the input terminal of the push-pull circuit together with the base stage of the PNP type triode；The collection of the NPN type triode
Electrode connects the power module, the grounded collector of the PNP type triode；The emitter of the NPN type triode and institute
The emitter for stating PNP type triode connects the output end of the push-pull circuit；
First resistor is connected between the input terminal of the low frequency generation circuit and the input terminal of the push-pull circuit；
Second resistance is connected between the output end of the push-pull circuit and the output end of the low frequency generation circuit；
When the input terminal of the low frequency generation circuit is high level signal, the NPN type triode conducting, the PNP
The output end of the cut-off of type triode, the low frequency generation circuit exports high level signal；When the input of the low frequency generation circuit
When end is low level signal, NPN type triode cut-off, the PNP type triode conducting, the low frequency generation circuit it is defeated
Outlet exports low level signal.
Preferably, the output end of the low frequency generation circuit is connected with low-frequency antenna.
It is highly preferred that the low-frequency antenna is inductance coil.
Preferably, the power module includes: battery, voltage regulator circuit and power control switch；
The battery is connected with the input terminal of the voltage regulator circuit；
The output end of the voltage regulator circuit is connected with the input terminal of the power control switch；
The output end of the power control switch is respectively the low frequency analog circuit and low frequency generation circuit power supply.
It is highly preferred that the battery is lithium battery.
It is highly preferred that the voltage regulator circuit includes: voltage stabilizing chip and its peripheral circuit；
The voltage stabilizing chip includes the first pin of voltage stabilizing chip, the second pin of voltage stabilizing chip and voltage stabilizing chip third pin；
The first pin of voltage stabilizing chip ground connection；
Second pin of voltage stabilizing chip is grounded by first capacitor；
One end that second pin of voltage stabilizing chip connects the first capacitor forms the output end of the voltage regulator circuit；
The voltage stabilizing chip third pin passes through the second capacity earth；
One end that the voltage stabilizing chip third pin connects second capacitor forms the input terminal of the voltage regulator circuit.
Further, the voltage stabilizing chip uses XC6206 chip.
It is highly preferred that the power control switch includes: a field-effect tube；
The grid of the field-effect tube is connected by a resistance with control terminal, and the control signal that control terminal is sent is received；
The source electrode of the field-effect tube is connected with the input terminal of the power control switch；
The drain electrode of the field-effect tube is connected with the output end of the power control switch；
A resistance is also connected between the source electrode of the field-effect tube and the grid of the effect pipe.
Further, the field-effect tube is P channel enhancement mode MOSFET.
Preferably, a kind of intelligent boot low frequencies trigger is set in a hand-held communicator.
Compared with prior art, technical solution of the present invention has the advantages that
A kind of intelligence boot low frequencies trigger, low frequency analog circuit and low frequency generation circuit including electrical connection are real
The transmitting for having showed low frequency signal wakes up the intelligent boot under dormant state, reduces artificial caused maloperation, guarantees
Intelligent boot low-power consumption work, extends service time of battery to greatest extent.
Detailed description of the invention
Attached drawing is constituted part of this application to be used to provide further understanding of the present application, the schematic implementation of the application
Example and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of functional block diagram of intelligent boot low frequencies trigger of the preferred embodiment of the present invention；
Fig. 2 is the circuit diagram of the low frequency analog circuit of the preferred embodiment of the present invention；
Fig. 3 is the circuit diagram of the low frequency generation circuit of the preferred embodiment of the present invention；
Fig. 4 is the circuit diagram of the voltage regulator circuit of the preferred embodiment of the present invention；
Fig. 5 is the circuit diagram of the power control switch of the preferred embodiment of the present invention.
Marginal data:
1, low frequency analog circuit；2, low frequency generation circuit；3, power module；4, low-frequency antenna.
Specific embodiment
The present invention provides a kind of intelligent boot low frequencies trigger, to make the purpose of the present invention, technical solution and effect
It is clearer, clear, referring to the drawings and give an actual example that the present invention is described in more detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order, it should be appreciated that is used in this way
Data be interchangeable under appropriate circumstances.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Currently, intelligent boot in order to reach power saving low-power consumption, mostly uses greatly mechanical unlock to wake up main control chip or key
Main control chip is activated, a large amount of maloperation is resulted in and exists, real power saving can not be reached, also can not guarantee intelligent boot
Safety.
Current intelligent boot there are aiming at the problem that, the application devises a kind of intelligent boot low frequencies trigger, leads to
Generation low frequency signal is crossed, specific intelligence boot is waken up, a certain range of intelligent boot, Ke Yiji can also be waken up in batches
The earth reduces artificial caused maloperation, guarantees intelligent boot low-power consumption work, extends service time of battery to greatest extent, mention
High intelligent boot safety.
Fig. 1 is a kind of functional block diagram of intelligent boot low frequencies trigger of the preferred embodiment of the present invention.
As shown in Figure 1, a kind of intelligence boot low frequencies trigger, comprising:
The low frequency analog circuit 1 and low frequency generation circuit 2 of electrical connection, and be the low frequency analog circuit 1 and described low
The power module 3 that frequency generation circuit 2 is powered.Wherein:
The low frequency analog circuit 1 includes a digit counter chip, and the digit counter chip is brilliant by external one
The height pulse of vibration output rule, is sent to the input terminal of the low frequency generation circuit 2；
The low frequency generation circuit 2 periodically controls the on-off of triode according to the height pulse of input, generates fixation
The pulse signal in period issues low frequency signal by electromagnetic induction, and the frequency of the low frequency signal is 125KHz.
Fig. 2 is the circuit diagram of the low frequency simulation moding circuit of the preferred embodiment of the present invention.
As shown in Fig. 2, the digit counter chip U1 is preferably 74HC4060 chip.The digit counter chip U1
16 pins connect power supply, 8 pins ground connection.The digit counter chip U1 includes crystal oscillator port A CLK and crystal vibration
Device port B CLK1 is swung, 11 pins and 10 pins of the digit counter chip U1, the crystal oscillator end are respectively corresponded
Mouth A CLK connects the both ends of a crystal oscillator X1 with the crystal oscillator port B CLK1；The both ends of the crystal oscillator X1 pass through respectively
Capacitor C3 and capacitor C4 ground connection；Series resistance R3 between one end of the crystal oscillator X1 and the crystal oscillator port B CLK1；
Resistance R1 is connected between the crystal oscillator port A CLK and the crystal oscillator port B CLK1.
Wherein, the crystal oscillator X1, for generating specific pulse signal, 12 pins of the digit counter chip U1 are
Reseting pin, 4 pins of output are connected with 12 pins of input, and after counting down to certain value, 4 pins generate high impulse, by this arteries and veins
Punching is sent to reset pin, so that circuit is carried out the step-by-step counting in a new period, to simulate fixed frequency cycle, the digital meter
Number device chip U1 passes through the height pulse of 5 pin CLK_OUT output rules to the input terminal of the low frequency generation circuit.
Fig. 3 is the circuit diagram of the low frequency generation circuit of the preferred embodiment of the present invention.As shown in figure 3, the low frequency produces
Giving birth to circuit includes:
Push-pull circuit, the push-pull circuit are made of NPN type triode Q1 and PNP type triode Q2, three pole of NPN type
The base stage of pipe Q1 is connected to the input terminal of the push-pull circuit together with the base stage of the PNP type triode Q2；The NPN type three
The collector of pole pipe Q1 connects the power end of the low frequency trigger module 102, the grounded collector of the PNP type triode Q2；
The emitter of the NPN type triode Q1 connect the output end of the push-pull circuit with the emitter of the PNP type triode Q2；
First resistor R5, be connected on the low frequency generation circuit input terminal and the push-pull circuit input terminal it
Between；
Second resistance R7, be connected on the push-pull circuit output end and the low frequency generation circuit output end it
Between.
It is the height pulse with certain rule by the CLK_OUT signal that the digit counter chip U1 is obtained, when
When CLK_OUT is high level, NPN type triode Q1 conducting, PNP type triode Q2 cut-off, hair of the electric current from NPN type triode Q1
Emitter terminal flows to the transmitting terminal of low-frequency antenna 4, that is, in the turn-on action of NPN type triode Q1, NPN type triode Q1's
Emitter terminal becomes the output terminal of electric current, and the output end of the low frequency generation circuit exports high level.When CLK_OUT is low
When level, the output end of NPN type triode Q1 cut-off, PNP type triode Q2 conducting, the low frequency generation circuit exports low electricity
It is flat.By periodically controlling the on-off of above-mentioned triode, the pulse signal of fixed cycle is produced.
Fig. 4 is the circuit diagram of the voltage regulator circuit of the preferred embodiment of the present invention.
As shown in figure 4, the voltage regulator circuit includes: voltage stabilizing chip U6 and its peripheral circuit.The voltage stabilizing chip U6 is used
XC6206 chip, XC6206 chip are the voltage-stablizers of a wide input, the voltage of battery can be converted to 3.3V voltage, for institute
It states intelligent boot low frequencies trigger and stable 3.3V power supply is provided.
Specifically, the voltage stabilizing chip U6 includes the first pin of voltage stabilizing chip Vss, voltage stabilizing chip the second pin Vout and steady
Press chip third pin Vin；Voltage stabilizing chip the first pin Vss ground connection；The second pin of voltage stabilizing chip Vout passes through electricity
Hold C14 ground connection；One end that the second pin of voltage stabilizing chip Vout connects the capacitor C14 forms the output of the voltage regulator circuit
Hold VCC_DRIVE；The voltage stabilizing chip third pin Vin is grounded by capacitor C17, the voltage stabilizing chip third pin Vin with
The connecting pin of capacitor C17 forms the input terminal of the voltage regulator circuit.
Fig. 5 is the circuit diagram of the power control switch of the preferred embodiment of the present invention.
As shown in figure 5, the power control switch includes: field-effect tube Q3；The grid of the field-effect tube Q3 passes through one
Resistance R30 is connected with a control terminal, for receiving the control signal CTRL_125K of control terminal transmission；The field-effect tube Q3
Source electrode be connected with the input terminal of the power control switch；The drain electrode of the field-effect tube Q3 and the power control switch
Output end be connected；A resistance R26 is also connected between the source electrode and grid of the field-effect tube Q3.
The control signal CTRL_125K that the control terminal is sent, for controlling the low frequency analog circuit 1 and the low frequency
The power supply of generation circuit 2, remains turned-off when not in use, to reduce overall power.When the control signal CTRL_125K is
When low level signal, the voltage of the field-effect tube Q3 conducting, the output end VCC_DRIVE output 3.3V of the voltage regulator circuit is
The low frequency analog circuit 1 and the low frequency generation circuit 2 power supply.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of intelligence boot low frequencies trigger characterized by comprising
The low frequency analog circuit and low frequency generation circuit of electrical connection, and electricity is generated for the low frequency analog circuit and the low frequency
The power module of road power supply；Wherein,
The low frequency analog circuit includes a digit counter chip, and the digit counter chip is exported by an external crystal oscillator
The height pulse of regularity, is sent to the input terminal of the low frequency generation circuit；
The low frequency generation circuit periodically controls the on-off of triode according to the height pulse of input, generates the fixed cycle
Pulse signal, low frequency signal is issued by electromagnetic induction.
2. a kind of intelligent boot low frequencies trigger according to claim 1, it is characterised in that: the low frequency signal
Frequency is 125KHz.
3. a kind of intelligent boot low frequencies trigger according to claim 1, it is characterised in that: the digit counter
Chip includes crystal oscillator port A and crystal oscillator port B, the crystal oscillator port A and the crystal oscillator
The both ends of one crystal oscillator of port B connection；
The both ends of the crystal oscillator pass through a capacity earth respectively；
It connects between one end of the crystal oscillator and the crystal oscillator port B resistance；
Another resistance is connected between the crystal oscillator port A and the crystal oscillator port B.
4. a kind of intelligent boot low frequencies trigger according to claim 1, it is characterised in that: the digit counter
Chip uses 74HC4060 chip.
5. a kind of intelligent boot low frequencies trigger according to claim 1, which is characterized in that the low frequency generates electricity
Road includes:
Push-pull circuit, the push-pull circuit are made of NPN type triode and PNP type triode, the base stage of the NPN type triode
The input terminal of the push-pull circuit is connected to together with the base stage of the PNP type triode；The collector of the NPN type triode
Connect the power module, the grounded collector of the PNP type triode；The emitter of the NPN type triode and the PNP
The emitter of type triode connects the output end of the push-pull circuit；
First resistor is connected between the input terminal of the low frequency generation circuit and the input terminal of the push-pull circuit；
Second resistance is connected between the output end of the push-pull circuit and the output end of the low frequency generation circuit；
When the input terminal of the low frequency generation circuit is high level signal, the NPN type triode conducting, the positive-negative-positive three
The output end of pole pipe cut-off, the low frequency generation circuit exports high level signal；When the input terminal of the low frequency generation circuit is
When low level signal, the NPN type triode cut-off, the PNP type triode conducting, the output end of the low frequency generation circuit
Export low level signal.
6. a kind of intelligent boot low frequencies trigger according to claim 1, it is characterised in that: the low frequency generates electricity
The output end on road is connected with low-frequency antenna.
7. a kind of intelligent boot low frequencies trigger according to claim 1, which is characterized in that the power module packet
It includes: battery, voltage regulator circuit and power control switch；
The battery is connected with the input terminal of the voltage regulator circuit；
The output end of the voltage regulator circuit is connected with the input terminal of the power control switch；
The output end of the power control switch is respectively the low frequency analog circuit and low frequency generation circuit power supply.
8. a kind of intelligent boot low frequencies trigger according to claim 7, which is characterized in that the voltage regulator circuit packet
It includes: voltage stabilizing chip and its peripheral circuit；
The voltage stabilizing chip includes the first pin of voltage stabilizing chip, the second pin of voltage stabilizing chip and voltage stabilizing chip third pin；
The first pin of voltage stabilizing chip ground connection；
Second pin of voltage stabilizing chip is grounded by first capacitor；
One end that second pin of voltage stabilizing chip connects the first capacitor forms the output end of the voltage regulator circuit；
The voltage stabilizing chip third pin passes through the second capacity earth；
One end that the voltage stabilizing chip third pin connects second capacitor forms the input terminal of the voltage regulator circuit.
9. a kind of intelligent boot low frequencies trigger according to claim 7, which is characterized in that the power supply control is opened
Pass includes: a field-effect tube；
The grid of the field-effect tube is connected by a resistance with control terminal, and the control signal that control terminal is sent is received；
The source electrode of the field-effect tube is connected with the input terminal of the power control switch；
The drain electrode of the field-effect tube is connected with the output end of the power control switch；
A resistance is also connected between the source electrode of the field-effect tube and the grid of the effect pipe.
10. a kind of intelligent boot low frequencies trigger according to claim 9, it is characterised in that: stating field-effect tube is P
Channel enhancement mode MOSFET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291167.0A CN110011675A (en) | 2019-04-11 | 2019-04-11 | A kind of intelligence boot low frequencies trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291167.0A CN110011675A (en) | 2019-04-11 | 2019-04-11 | A kind of intelligence boot low frequencies trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110011675A true CN110011675A (en) | 2019-07-12 |
Family
ID=67171236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910291167.0A Pending CN110011675A (en) | 2019-04-11 | 2019-04-11 | A kind of intelligence boot low frequencies trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110011675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113114198A (en) * | 2021-05-10 | 2021-07-13 | 张喜文 | Concave embedded type cavity induction key system |
-
2019
- 2019-04-11 CN CN201910291167.0A patent/CN110011675A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113114198A (en) * | 2021-05-10 | 2021-07-13 | 张喜文 | Concave embedded type cavity induction key system |
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