CN109752686A - Key control circuit and positioning label - Google Patents
Key control circuit and positioning label Download PDFInfo
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- CN109752686A CN109752686A CN201811593405.5A CN201811593405A CN109752686A CN 109752686 A CN109752686 A CN 109752686A CN 201811593405 A CN201811593405 A CN 201811593405A CN 109752686 A CN109752686 A CN 109752686A
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- 239000003381 stabilizer Substances 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000004891 communication Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005090 crystal field Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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Abstract
The invention belongs to the technical field of positioning, and provides a key control circuit and a positioning label, wherein a battery module provides a power supply voltage signal, a switch module outputs a first voltage control signal according to a first control instruction input by a user, or outputs a second voltage control signal according to a second control instruction input by the user, and a control module controls the switch module to maintain a conducting state according to the first voltage signal, or outputs an alarm signal according to the second voltage control signal.
Description
Technical field
The invention belongs to field of locating technology more particularly to a kind of key control circuit and positioning labels.
Background technique
In wireless communication technique, the no-load communication technology (Ultra Wideband, UWB) be it is a kind of using nanosecond to microsecond
The technology of the non-sinusoidal waveform burst pulse transmission data of grade, the spy with bandwidth high (500MHz bandwidth, the i.e. width of communication path)
Point.UWB positioning system is a kind of ranging localization based on ultrabroad band, and base station is fixedly mounted, and user wears positioning label with reality
The system now positioned, such as: in tunnel development process, in order to protect the safety of construction personnel, need to determine construction personnel in real time
Position in tunnel wears positioning label by construction personnel and carries out positioning in real time to construction personnel to guarantee construction personnel's
Safety and construction speed.
However, existing positioning tag battery usually sends feedback information to base station in time when user encounters obstacle, need
The problem of carrying out information feedback using other communication equipments, rescue is caused to be delayed.
Summary of the invention
The present invention provides a kind of key control circuit and positioning label, it is intended to solve existing positioning tag battery and usually exist
User sends feedback information to base station in time when encountering obstacle, needs to carry out information feedback using other communication equipments, causes to rescue
The problem of helping delay.
The present invention provides a kind of key control circuits, comprising:
For providing the battery module of power supply voltage signal；
It is connect with the battery module, for receiving the power supply voltage signal, and according to the first control of user's input
Instruction output first voltage controls signal, according to the switch of the second control instruction output second voltage control signal of user's input
Module；
It is connect with the switch module, for receiving the first voltage control signal, and according to the first voltage control
The power management module of signal output first voltage signal processed；
It connect with the power management module, believes for receiving the first voltage signal, and according to the first voltage
Number output switch control signal controls the control module of signal output alarm signal according to the second voltage.
Optionally, the key control circuit further include:
It is connect with the battery module and the switch module, second voltage signal for receiving input, and to institute
It states battery module to charge, and to the charging module that the switch module is powered.
Optionally, the key control circuit further include:
It is connect with the control module, for receiving the alarm signal of the control module output, and exports corresponding penetrate
The radio-frequency module of frequency signal.
Optionally, the key control circuit further include:
It is connect with the radio-frequency module, is sent to signal base for receiving the radiofrequency signal, and by the radiofrequency signal
The Anneta module stood.
Optionally, the switch module includes: first resistor, first switch tube, second resistance, 3rd resistor, the 4th electricity
Resistance, second switch, the first voltage-stabiliser tube, the second voltage-stabiliser tube and switch unit；
The current input terminal of the first end of the first resistor and the first switch tube is connected to the switch module
Power supply voltage signal input terminal, the current output terminal of the first switch tube controls as the first voltage of the switch module
Signal output end, the second end of the first resistor, the control terminal of the first switch tube, first voltage-stabiliser tube anode with
And the current input terminal of the second switch connects altogether；
The first end of the current output terminal of the second switch and the second resistance is connected to ground, the second switch altogether
The first end of the control terminal of pipe, the second end of the second resistance and the 3rd resistor is connect altogether as the switch module
Switch control signal input terminal；
The second end of the 3rd resistor and the first end of the 4th resistance connect the power supply as the switch module altogether
Voltage signal inputs；
The first end of the cathode of first voltage-stabiliser tube, the cathode of second voltage-stabiliser tube and the switch unit is total
It connects, the second end ground connection of the switch unit；
The anode of second voltage-stabiliser tube and the second end of the 4th resistance connect second as the switch module altogether
Voltage control signal.
Optionally, the switch unit includes first switch, and the first end of the first switch is as the switch unit
First end, second end of the second end of the first switch as the switch unit.
Optionally, the power management module includes: first capacitor, the second capacitor, third capacitor, the first inductance and electricity
Source control chip；
The voltage signal inputs and the power management of the first end of the first capacitor, the power management chip
The enable signal input terminal of chip connects the first voltage control signal input as the power management module altogether, and described first
The mode end of the second end of capacitor, the ground terminal of the power management chip and the power management chip is connected to ground altogether；
The signal end of convert of the power management chip is connect with the first end of first inductance, the power management core
The feedback signal terminal of piece, the second end of first inductance, the first end of second capacitor and the third capacitor
One end connects the first voltage signal output end as the power management module altogether；
The second end of the radiating end of the power management chip, the second end of second capacitor and the third capacitor
It is connected to ground altogether.
Optionally, the charging module includes: third voltage-stabiliser tube, third switching tube, the 5th resistance and Charge Management core
Piece；
The voltage signal inputs of the charging management chip, the cathode of the third voltage-stabiliser tube, the third switching tube
Control terminal and the first end of the 5th resistance connect second voltage signal input part as the charging module altogether and fill
The positive terminal of electrical interface connects；
The negative pole end of the ground terminal of the charging management chip, the second end of the 5th resistance and the charging interface
It is connected to ground altogether；
The voltage signal output end of the charging management chip is connect with the current input terminal of the third switching tube, described
The anode of the current output terminal of third switching tube and the third voltage-stabiliser tube is connected to the supply voltage letter of the charging module
Number output end.
Optionally, the battery module includes poly-lithium battery, and the anode of the poly-lithium battery is as the electricity
The anode of pond module, cathode of the cathode of the poly-lithium battery as the battery module.
Another embodiment of the present invention also provides a kind of positioning label, comprising:
Label body；And
Radiofrequency signal control unit, the radiofrequency signal control unit include as described in any one of the above embodiments by key control electricity
Road.
The present invention provides a kind of key control circuit and positioning labels, provide power supply voltage signal by battery module,
The first control instruction output first voltage control signal that switch module is inputted according to user, according to the second control of user's input
Instruction output second voltage controls signal, and control module controls the switch module according to the first voltage signal and maintains conducting
State controls signal according to second voltage and exports alarm signal, allows to reduce the volume of positioning label, and encountering event
Pass through positioning label alarm when barrier in time, solves existing positioning tag battery usually when user encounters obstacle in time to base station
Feedback information is sent, the problem of carrying out information feedback using other communication equipments, rescue is caused to be delayed is needed.
Detailed description of the invention
It, below will be to attached needed in embodiment description in order to illustrate more clearly of the technical solution in the present invention
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the key control circuit that one embodiment of the present of invention provides；
Fig. 2 be another embodiment of the present invention provides key control circuit structural schematic diagram；
Fig. 3 be another embodiment of the present invention provides key control circuit structural schematic diagram；
Fig. 4 be another embodiment of the present invention provides key control circuit structural schematic diagram；
Fig. 5 be another embodiment of the present invention provides key control circuit structural schematic diagram；
Fig. 6 is the structural schematic diagram for the charging module that one embodiment of the present of invention provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with the attached drawing in the present invention,
Technical solution in the present invention is explicitly described, it is clear that described embodiment is the embodiment of a part of the invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, should fall within the scope of the present invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
Fig. 1 is the structural schematic diagram for the key control circuit that one embodiment of the present of invention provides.
As shown in Figure 1, the key control circuit in the present embodiment, comprising:
For providing the battery module 10 of power supply voltage signal；
It is connect with the battery module 10, for receiving the power supply voltage signal, and according to the first control of user's input
System instruction output first voltage controls signal, according to opening for the second control instruction output second voltage control signal of user's input
Close module 20；
It is connect with the switch module 20, for receiving the first voltage control signal, and according to the first voltage
Control the power management module 40 of signal output first voltage signal；
It is connect with the power management module 40, for receiving the first voltage signal, and according to the first voltage
Signal output switch controls signal, and the control module 30 of signal output alarm signal is controlled according to the second voltage.
In one embodiment, 10 output supply voltage signal of battery module is opened for being powered to switch module 20
The turn-on and turn-off for the control instruction control power supply voltage signal that module 20 is inputted according to user are closed, which includes first
Control instruction and the second control instruction, wherein when user inputs the first control instruction, switch module 20 exports first voltage control
Signal, so that power management module 40 exports first voltage signal, which can be used for 30 He of control module
Switch module 20 is powered.When user inputs the second control instruction, switch module 20 is electric to the output of control module 30 second
Voltage-controlled signal processed, control module 30 control signal according to second voltage and export alarm signal.
In one embodiment, the first control instruction can pass through the switch key first time in switch module 20 for user
Closed procedure, the second control instruction can be user by second of closed procedure to the switch key in switch module 20,
It that is to say that the second control instruction is that the operation based on the first control instruction is realized later.
In one embodiment, power management module 40 is a DC converting circuit, when battery module 10 is powered
When, the voltage signal of the 3.3V of low ripple is exported into control module 30 by power management module 40.
In one embodiment, battery module 10 can be energy-storage battery or USB power supply interface.
Fig. 2 be another embodiment of the present invention provides key control circuit structural schematic diagram.
As shown in Fig. 2, the key control circuit further include:
It is connect with the battery module 10 and the switch module 20, second voltage signal for receiving input, and
It charges to the battery module 10, and to the charging module 50 that the switch module 20 is powered.
In one embodiment, charging module 50 receives the second voltage signal of input, which can be
The USB supply voltage signal inputted by input interface.
Fig. 3 be another embodiment of the present invention provides key control circuit structural schematic diagram.
As shown in figure 3, the key control circuit further include:
It is connect with the control module 30, the alarm signal exported for receiving the control module 30, and exports correspondence
Radiofrequency signal radio-frequency module 60.
In one embodiment, power management module 40 is also used to be powered radio-frequency module 60.
In one embodiment, radio-frequency module 60 passes through Serial Peripheral Interface (SPI) (Serial Peripheral
Interface, SPI) it is connect with control module 30.
In one embodiment, radio-frequency module 60 can be radio frequency chip.
In one embodiment, the model of radio frequency chip can be DW1000.
Fig. 4 be another embodiment of the present invention provides key control circuit structural schematic diagram.
As shown in figure 4, the key control circuit further include:
It is connect with the radio-frequency module 60, is sent to signal for receiving the radiofrequency signal, and by the radiofrequency signal
The Anneta module 70 of base station.
In one embodiment, Anneta module 70 can be the onboard antenna being arranged on printed circuit board, radio-frequency module 60
Carried out data transmission by the onboard antenna and base station that are arranged on printed circuit board.
Fig. 5 be another embodiment of the present invention provides key control circuit structural schematic diagram.
In one embodiment, referring to Fig. 5, the switch module 20 includes: first resistor R1, first switch tube M1,
Two resistance R2,3rd resistor R3, the 4th resistance R4, second switch M2, the first voltage-stabiliser tube D1, the second voltage-stabiliser tube D2 and switch
Unit 201；
The current input terminal of the first end of the first resistor R1 and the first switch tube M1 are connected to the switch
The power supply voltage signal input terminal of module 20, the current output terminal of the first switch tube M1 as the switch module 20
One voltage control signal output end, the second end of the first resistor R1, the control terminal of the first switch tube M1, described first
The current input terminal of the positive and described second switch M2 of voltage-stabiliser tube D1 connects altogether；
The first end of the current output terminal of the second switch M2 and the second resistance R2 are connected to ground altogether, and described second
The first end of the control terminal of switching tube M2, the second end of the second resistance R2 and the 3rd resistor R3 is connect altogether as described
The switch control signal input terminal of switch module 20；
The second end of the 3rd resistor R3 and the first end of the 4th resistance R4 are connect altogether as the switch module 20
Power supply voltage signal input terminal；
The of the cathode of the first voltage-stabiliser tube D1, the cathode of the second voltage-stabiliser tube D2 and the switch unit 201
One end connects altogether, the second end ground connection of the switch unit 201；
The second end of the anode and the 4th resistance R4 of the second voltage-stabiliser tube D2 is connect altogether as the switch module 20
Second voltage control signal output.
In one embodiment, it before the starting of switch module 20, since second switch M2 is not turned on, first opens at this time
Pipe M1 shutdown is closed, switch module 20 is exported without signal.When user inputs the first control instruction, i.e., when switch unit 201 exists
When switch key is pressed, switch unit 201 is connected, the positive output supply voltage signal of battery module 10, the first voltage-stabiliser tube D1
Conducting, the grid of first switch tube M1 is by the first voltage-stabiliser tube clamper, which is connected by first switch tube M1, electricity
Source control module 40 receives first voltage and controls signal, i.e. power management module 40 powers on, and exports first voltage signal, control
Module 30 powers on, the control signal input input starting voltage signal of control module 30, so that control module 30 starts, control
The switch control signal output end output switch control signal of module 30, which is low level signal, for controlling
It makes the switch module 20 and maintains on state.
In one embodiment, when the switch key of switch unit 201 unclamps, the voltage of the anode of the first voltage-stabiliser tube D1
Go up, second switch M2 conducting, the control terminal ground connection of first switch tube M1, first switch tube M1 maintain conducting, key at this time
Control circuit unlatching has been completed, system worked well.
In one embodiment, when encountering failure, user inputs the second control instruction, i.e. opening switch unit 201
Close button is pressed, which is to press again after system start-up, at this point, the second voltage-stabiliser tube D2 is connected, switch module 20 is exported
Second voltage controls signal, i.e. the voltage clamping of the control signal input of control module 30 is low level, when control module 30
When detecting that the low level signal duration reaches preset time range, which is judged as alarm signal by control module 30
Number, and the alarm signal is sent to signal base station, master system is uploaded to by signal base station.
In one embodiment, the second control instruction can continuously press under three for switch key.
In one embodiment, first switch tube M1 is electronic switching tube, which is p-type metal-oxide-semiconductor.
In one embodiment, second switch M2 is electronic switching tube, which is N-type film crystal field effect
Ying Guan；
The drain electrode of the N-type film crystal field-effect tube is the input terminal of the electronic switching tube, the N-type film crystal
The source electrode of field-effect tube is the output end of the electronic switching tube, and the grid of the N-type film crystal field-effect tube is the electricity
The control terminal of sub switch pipe.
In one embodiment, the switch unit 201 includes first switch K1, and the first end of the first switch K1 is made
For the first end of the switch unit 201, second end of the second end of the first switch K1 as the switch unit 201.
In one embodiment, the power management module 40 includes: first capacitor C1, the second capacitor C2, third capacitor
C3, the first inductance L1 and power management chip U1；
The first end of the first capacitor C1, the voltage signal inputs VIN of the power management chip U1 and described
The enable signal input terminal EN of power management chip U1 connects altogether controls signal as the first voltage of the power management module 40
Input terminal, the ground terminal and the power management chip of the second end of the first capacitor C1, the power management chip U1
The mode end MODE of U1 is connected to ground altogether；
The signal end of convert SW of the power management chip U1 is connect with the first end of the first inductance L1, the power supply
The feedback signal terminal FB of managing chip U1, the second end of the first inductance L1, the first end of the second capacitor C2 and institute
The first end for stating third capacitor C3 connects first voltage signal output end as the power management module 40 altogether；
The radiating end PAD of the power management chip U1, the second end of the second capacitor C2 and the third capacitor
The second end of C3 is connected to ground altogether.
In one embodiment, power management chip U1 is TPS series of power managing chip.
Fig. 6 is the structural schematic diagram for the charging module that one embodiment of the present of invention provides.
As shown in fig. 6, the charging module 50 include: third voltage-stabiliser tube D3, third switching tube M3, the 5th resistance R5 and
Charging management chip U2；
The voltage signal inputs IN of the charging management chip U2, the cathode of the third voltage-stabiliser tube D3, the third
The control terminal of switching tube M3 and the first end of the 5th resistance R5 connect the second voltage letter as the charging module 50 altogether
The positive terminal of number input terminal and charging interface connects；
The ground terminal GND of the charging management chip U2, the second end of the 5th resistance R5 and the charging interface
Negative pole end be connected to ground altogether；
The current input terminal of the voltage signal output end OUT of the charging management chip U2 and third switching tube M3 connects
It connects, the anode of the current output terminal of the third switching tube M3 and the third voltage-stabiliser tube D3 are connected to the charging module 50
Power supply voltage signal output end.
In one embodiment, when charging module 50 receives the second voltage signal of input, second voltage signal passes through
Charging management chip U2 and third switching tube M3 charge to battery module 10, meanwhile, which passes through the
Three voltage-stabiliser tube D3 are exported to the grid of third switching tube M3, since third switching tube M3 and first switch tube M1 are turned off, due to the
The blocking of two voltage-stabiliser tube D2, second voltage signal can not be transmitted to control module 30.
In one embodiment, when charging module 50 is when charging to battery module 10, key control circuit is still
It can star, in charging, when user inputs the first control instruction, i.e., when switch unit 201 is when switch key is pressed, open
It closes unit 201 to be connected, the positive output supply voltage signal of battery module 10, the first voltage-stabiliser tube D1 conducting, first switch tube M1
Grid by the first voltage-stabiliser tube clamper, which is connected by first switch tube M1, and power management module 40 receives
First voltage controls signal, i.e. power management module 40 powers on, and exports first voltage signal, and control module 30 powers on, control
The control signal input input starting voltage signal of module 30, so that control module 30 starts, the switch control of control module 30
Signal output end processed exports low level.
In one embodiment, when the switch key of switch unit 201 unclamps, the voltage of the anode of the first voltage-stabiliser tube D1
Go up, second switch M2 conducting, first switch tube M1 maintains conducting, and key control circuit unlatching has been completed, and system is normal
Work.
In one embodiment, third switching tube M3 is N-type metal-oxide-semiconductor.
In one embodiment, referring to Fig. 5, the battery module 10 includes poly-lithium battery BA1, the polymer lithium
Anode of the anode of battery BA1 as the battery module, the cathode of the poly-lithium battery BA1 is as the battery module
Cathode.
Another embodiment of the present invention also provides a kind of positioning label, comprising:
Label body；And
Radiofrequency signal control unit, the radiofrequency signal control unit include the key as described in any of the above-described embodiment
Control circuit.
The present invention provides a kind of key control circuit and positioning labels, provide power supply voltage signal by battery module,
The first control instruction output first voltage control signal that switch module is inputted according to user, according to the second control of user's input
Instruction output second voltage controls signal, and control module controls the switch module according to the first voltage signal and maintains conducting
State controls signal according to second voltage and exports alarm signal, allows to reduce the volume of positioning label, and encountering event
Pass through positioning label alarm when barrier in time, solves existing positioning tag battery usually when user encounters obstacle in time to base station
Feedback information is sent, the problem of carrying out information feedback using other communication equipments, rescue is caused to be delayed is needed.
Alleged control module 30 can be central processing unit (Central Processing Unit, CPU), can be with
It is other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of key control circuit characterized by comprising
For providing the battery module of power supply voltage signal；
It is connect with the battery module, for receiving the power supply voltage signal, and the first control instruction inputted according to user
It exports first voltage and controls signal, or the switch of the second control instruction output second voltage control signal according to user's input
Module；
It is connect with the switch module, for receiving the first voltage control signal, and is controlled and believed according to the first voltage
Number output first voltage signal power management module；And
It is connect with the power management module and the switch module, for receiving the first voltage signal, and according to described
First voltage signal controls the switch module and maintains on state, or controls signal according to the second voltage and export alarm
The control module of signal.
2. key control circuit as described in claim 1, which is characterized in that the key control circuit further include:
It is connect with the battery module and the switch module, second voltage signal for receiving input, and to the electricity
Pond module charges, and to the charging module that the switch module is powered.
3. key control circuit as described in claim 1, which is characterized in that the key control circuit further include:
It is connect with the control module, for receiving the alarm signal of the control module output, and exports corresponding radio frequency letter
Number radio-frequency module.
4. key control circuit as claimed in claim 3, which is characterized in that the key control circuit further include:
It is connect with the radio-frequency module, is sent to signal base station for receiving the radiofrequency signal, and by the radiofrequency signal
Anneta module.
5. key control circuit as described in claim 1, which is characterized in that the switch module includes: first resistor, first
Switching tube, second resistance, 3rd resistor, the 4th resistance, second switch, the first voltage-stabiliser tube, the second voltage-stabiliser tube and switch are single
Member；
The current input terminal of the first end of the first resistor and the first switch tube is connected to the electricity of the switch module
The current output terminal of source voltage signal inputs, the first switch tube controls signal as the first voltage of the switch module
Output end, the second end of the first resistor, the control terminal of the first switch tube, the anode of first voltage-stabiliser tube and institute
The current input terminal for stating second switch connects altogether；
The first end of the current output terminal of the second switch and the second resistance is connected to ground altogether, the second switch
The first end of control terminal, the second end of the second resistance and the 3rd resistor connects the switch as the switch module altogether
Control signal input；
The second end of the 3rd resistor and the first end of the 4th resistance connect the supply voltage as the switch module altogether
Signal input part；
The first end of the cathode of first voltage-stabiliser tube, the cathode of second voltage-stabiliser tube and the switch unit connects altogether, institute
State the second end ground connection of switch unit；
The second end of the anode and the 4th resistance of second voltage-stabiliser tube connects the second voltage as the switch module altogether
Control signal.
6. key control circuit as claimed in claim 5, which is characterized in that the switch unit includes first switch, described
First end of the first end of first switch as the switch unit, the second end of the first switch is as the switch unit
Second end.
7. key control circuit as described in claim 1, which is characterized in that the power management module include: first capacitor,
Second capacitor, third capacitor, the first inductance and power management chip；
The voltage signal inputs and the power management chip of the first end of the first capacitor, the power management chip
Enable signal input terminal connect the first voltage control signal input as the power management module, the first capacitor altogether
Second end, the ground terminal of the power management chip and the mode end of the power management chip be connected to ground altogether；
The signal end of convert of the power management chip is connect with the first end of first inductance, the power management chip
Feedback signal terminal, the second end of first inductance, the first end of the first end of second capacitor and the third capacitor
The first voltage signal output end as the power management module is connect altogether；
The second end of the radiating end of the power management chip, the second end of second capacitor and the third capacitor connects altogether
Yu Di.
8. key control circuit as claimed in claim 2, which is characterized in that the charging module includes: third voltage-stabiliser tube,
Three switching tubes, the 5th resistance and charging management chip；
The voltage signal inputs of the charging management chip, the third voltage-stabiliser tube cathode, the third switching tube control
The first end of end processed and the 5th resistance is connect altogether as the second voltage signal input part of the charging module and charging
The positive terminal connection of mouth；
The negative pole end of the ground terminal of the charging management chip, the second end of the 5th resistance and the charging interface connects altogether
Yu Di；
The voltage signal output end of the charging management chip is connect with the current input terminal of the third switching tube, the third
The power supply voltage signal that the anode of the current output terminal of switching tube and the third voltage-stabiliser tube is connected to the charging module is defeated
Outlet.
9. key control circuit as described in claim 1, which is characterized in that the battery module includes poly-lithium battery,
Anode of the anode of the poly-lithium battery as the battery module, the cathode of the poly-lithium battery is as the electricity
The cathode of pond module.
10. a kind of positioning label characterized by comprising
Label body；And
Radiofrequency signal control unit, the radiofrequency signal control unit include as described in any one of claims 1 to 9 by keying
Circuit processed.
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| CN109752686B (en) | 2021-12-17 |
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Address after: 518000 16th and 22nd Floors, C1 Building, Nanshan Zhiyuan, 1001 Xueyuan Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen UBTECH Technology Co.,Ltd. Address before: 518000 16th and 22nd Floors, C1 Building, Nanshan Zhiyuan, 1001 Xueyuan Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen UBTECH Technology Co.,Ltd. |
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Effective date of registration: 20231206 Address after: Room 601, 6th Floor, Building 13, No. 3 Jinghai Fifth Road, Beijing Economic and Technological Development Zone (Tongzhou), Tongzhou District, Beijing, 100176 Patentee after: Beijing Youbixuan Intelligent Robot Co.,Ltd. Address before: 518000 16th and 22nd Floors, C1 Building, Nanshan Zhiyuan, 1001 Xueyuan Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen UBTECH Technology Co.,Ltd. |