CN107979135A - Self-adaptation type railway holds terminal charge equipment and its control method - Google Patents
Self-adaptation type railway holds terminal charge equipment and its control method Download PDFInfo
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- CN107979135A CN107979135A CN201711332186.0A CN201711332186A CN107979135A CN 107979135 A CN107979135 A CN 107979135A CN 201711332186 A CN201711332186 A CN 201711332186A CN 107979135 A CN107979135 A CN 107979135A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007600 charging Methods 0.000 claims abstract description 120
- 230000003044 adaptive effect Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 7
- 239000012190 activator Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000003213 activating effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
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Classifications
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- H02J7/0003—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of self-adaptation type railway to hold terminal charge equipment and its control method, is related to battery boosting technology field, wherein, self-adaptation type railway, which holds terminal charge equipment, to be included：Access power grid provide electric energy alternating current adapter circuit, be railway handheld terminal battery charging charging circuit, be in equipment modules power module for power supply circuit, implementing circuit switching control MCU module, with charging equipment coordinate charging interface and report charge information voice module；The detected value switching circuit that MCU module is exported according to voltage detecting circuit, which switches on-off state, makes the output voltage of charging circuit and charging equipment match；Voice module is according to the corresponding voice of logic control state plays of MCU module.It can adaptively charge to a variety of railway dedicated handheld devices, greatly improve convenience of the railway worker when charging to a variety of handheld devices.
Description
Technical field
The present invention relates to battery boosting technology field, and terminal charge is held in particular to a kind of self-adaptation type railway
Equipment and its control method.
Background technology
Since the work particularity of railway work is, it is necessary to use a variety of handheld devices easy to carry out the work, for example, railway
Special answering machine, detecting instrument, lighting apparatus etc..These equipment generally are portable design and rely on battery powered, charging
When need each special charger, brought a lot of trouble to charging process.In the implementation of the present invention, it is found by the applicant that
The charging equipment of traditional railway handheld terminal (such as railway Special answering machine), is generally only a kind of handheld terminal and charges.
This is because the cell voltage of railway handheld device is not consistent, there are nominal 3.7V (4.2V after charging complete) and 7.4V (to fill
8.4V after the completion of electricity) two kinds of voltage specifications.It can cause cell damage for battery charging using unmatched charging equipment, or even lead
Cause battery explosion.Therefore, the compatibility of railway system's handheld terminal charging equipment how is improved with lifting means charging security
As technical problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solving one of technical problem present in the above-mentioned prior art or correlation technique, one is disclosed
Kind self-adaptation type railway holds terminal charge equipment and its control method, and adaptively a variety of railway special hand-held platforms can be carried out
Charging, effectively lifts convenience of the railway worker when charging to a variety of handheld devices.
The present invention is to be achieved by the following technical programs：
According to the first aspect of the invention, there is provided a kind of self-adaptation type railway holds terminal charge equipment, including：Access
Power grid provide electric energy alternating current adapter circuit, be railway handheld terminal battery charge charging circuit, be each mould in equipment
Block power supply module for power supply circuit, implementing circuit switching control MCU module, with charging equipment coordinate charging interface and
Report the voice module of charge information；Voice module includes voice playing module, audio frequency power amplifier module and loudspeaker；Alternating current is adapted to
The input terminal access power supply grid of circuit, the output terminal of alternating current adapter circuit are connected to input terminal and the charging of module for power supply circuit
The input terminal of circuit；The output terminal of module for power supply circuit is respectively connected to MCU module, voice playing module and audio frequency power amplifier mould
Block；Charging circuit includes the output branch of multiple voltage, is equipped with contactor on each output branch and is connected to charging
Mouthful；Charging interface is connected by voltage detecting circuit with MCU module；Contactor is connected with MCU module, voice playing module with
MCU module connects, and audio frequency power amplifier is connected with voice playing module, and loudspeaker is connected with audio frequency power amplifier module；MCU module is according to electricity
The detected value switching circuit of pressure detection circuit output, which switches on-off state, makes the output voltage and charging equipment of charging circuit
Match；Voice module is according to the corresponding voice of logic control state plays of MCU module.On the whole, the program passes through setting
Multichannel charging circuit simultaneously carries out charging circuit switching to realize adaptive inductive charging with voltage detecting circuit and MCU, prevents electricity
Pond is damaged.And voice module reports charge information, convenient for users to grasping battery status and charging process.
The self-adaptation type railway provided according to the present invention holds terminal charge equipment, it is preferable that further includes：It is connected to
Switch button, activator button and the status indicator lamp of MCU module；Wherein, switch button is used for control voice playing function, activation
Button is used to activate the battery under the state of putting.
The self-adaptation type railway provided according to the present invention holds terminal charge equipment, it is preferable that charge information includes at least：
Battery voltage information, battery types information, battery level information, charging status information and abnormal state information.
The self-adaptation type railway provided according to the present invention holds terminal charge equipment, it is preferable that the output branch of multiple voltage
Road specifically includes：3.7V charging circuits, 7.4V charging circuits, 3.7V, which are crossed, puts active circuit and 7.4V is crossed and put active circuit；Module
Power supply circuit provides the voltage output of 3.3V and 5V；Alternating current adapter circuit by 220V alternating currents be converted to 12V for charging circuit and
Needed for module for power supply circuit.
The self-adaptation type railway provided according to the present invention holds terminal charge equipment, it is preferable that MCU module is using NXP's
LPC4337 chips, voice playing module use the XFS3031CNP chips of HKUST News, the two is communicated by serial ports Uart；Sound
Frequency power amplifier module uses the TPA6203A1 chips of TI.
According to the second aspect of the invention, there is provided a kind of adaptive charging method of railway handheld terminal, including：Acquisition is treated
The magnitude of voltage of charging equipment battery；If magnitude of voltage between the first voltage value and second voltage value, starts the first charging circuit
Charge；Charge if magnitude of voltage between third voltage value and the 4th magnitude of voltage, starts the second charging circuit；It is if electric
Pressure value is negative value, then does not start charging process, sends the reversed voice prompt of battery；If magnitude of voltage is equal to zero or magnitude of voltage does not exist
In any of the above-described section, then startup active circuit carries out battery activated, sends the voice prompt of activated batteries.
The adaptive charging method of railway handheld terminal provided according to the present invention, it is preferable that if magnitude of voltage is equal to zero or electricity
Not in any of the above-described section, then startup active circuit carries out battery activated pressure value, sends the step of the voice prompt of activated batteries
Suddenly, specifically include：Just start active circuit when receiving the trigger signal of control button.
The adaptive charging method of railway handheld terminal provided according to the present invention, it is preferable that further include：Start active circuit
Posterior circle detects cell voltage, if cell voltage is still zero after continuing first time, cuts off active circuit, sends corresponding
Voice prompt.
The adaptive charging method of railway handheld terminal provided according to the present invention, it is preferable that further include：According to what is received
The instruction of voice prompt is closed, no longer plays voice prompt.
The adaptive charging method of railway handheld terminal provided according to the present invention, it is preferable that the first voltage value 2V, second
Magnitude of voltage is 4.2V, third voltage value 5V, and the 4th magnitude of voltage is 8.4V, and the first charging circuit is 3.7V charging circuits, second
Charging circuit is 7.4V charging circuits.
The beneficial effect that the present invention obtains includes at least：Can compatible a variety of railway dedicated handheld devices adaptively filled
Electricity, greatly improves convenience of the railway worker when charging to a variety of handheld devices.Overdischarge pond activation function can then have
Effect repairs the failure that battery can not use caused by long-term do not have to after over-discharge, is further provided a convenient for user of service.
In terms of human-computer interaction, there is provided can free switch voice prompting function, effectively can remind or prompt use state,
Improve friendly that product uses and intelligent.
Brief description of the drawings
Fig. 1 shows that self-adaptation type railway according to embodiments of the present invention holds the schematic block diagram of terminal charge equipment.
Fig. 2 shows that self-adaptation type railway according to embodiments of the present invention holds a kind of specific implementation of terminal charge equipment
The schematic diagram of mode.
Fig. 3 shows the adaptive charging method schematic flow diagram of railway handheld terminal according to embodiments of the present invention.
Fig. 4 shows a kind of specific embodiment party of the adaptive charging method of railway handheld terminal according to embodiments of the present invention
The schematic flow diagram of formula.
Fig. 5 shows voice module schematic diagram according to embodiments of the present invention.
Fig. 6 shows charging interlock circuit schematic diagram according to embodiments of the present invention.
Fig. 7 shows MCU control logic schematic diagrames according to embodiments of the present invention.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.
As shown in Figure 1, self-adaptation type railway provided by the invention holds terminal charge equipment 100, including：Access power grid carries
Alternating current adapter circuit 102 for electric energy, be railway handheld terminal battery charging charging circuit 104, be each mould in equipment
The module for power supply circuit 106 of block power supply, the MCU module 108 of implementing circuit switching control, the charging coordinated with charging equipment
Mouth 110 and the voice module 112 for reporting charge information；Voice module 112 include voice playing module, audio frequency power amplifier module and
Loudspeaker；The input terminal access power supply grid of alternating current adapter circuit 102, the output terminal of alternating current adapter circuit 102 are connected to module
The input terminal of power supply circuit 106 and the input terminal of charging circuit 104；The output terminal of module for power supply circuit 106 is respectively connected to MCU
Module 108, voice playing module and audio frequency power amplifier module；Charging circuit 104 includes the output branch of multiple voltage, each output
Contactor is equipped with branch and is connected to charging interface 110；Charging interface 110 passes through voltage detecting circuit and MCU module
108 connections；Contactor is connected with MCU module 108, and voice playing module is connected with MCU module 108, audio frequency power amplifier and voice
Playing module connects, and loudspeaker is connected with audio frequency power amplifier module；MCU module 108 is according to voltage detecting circuit (voltage detecting circuit
Figure 2 illustrates) the detected value switching circuit of output switch on-off state make the output voltage of charging circuit 104 with it is to be charged
Equipment matches；Voice module 112 is according to the corresponding voice of logic control state plays of MCU module 108.Wherein, charging letter
Breath includes at least：Battery voltage information, battery types information, battery level information, charging status information and abnormal state information.
Above-described embodiment provided according to the present invention, it is preferable that as shown in Fig. 2, further including：It is connected to MCU module 108
Switch button, activator button and status indicator lamp；Wherein, switch button is used for control voice playing function, and activator button is used
In activating the battery under the state of putting.
Above-described embodiment provided according to the present invention, it is preferable that as shown in Fig. 2, the output branch of multiple voltage specifically wraps
Include：3.7V charging circuits, 7.4V charging circuits, 3.7V, which are crossed, puts active circuit and 7.4V is crossed and put active circuit；Module for power supply circuit
The voltage output of 3.3V and 5V is provided；220V alternating currents are converted to 12V for charging circuit and module for power supply by alternating current adapter circuit
Needed for circuit.
Above-described embodiment provided according to the present invention, it is preferable that MCU module uses the LPC4337 chips of NXP, and voice is broadcast
Amplification module uses the XFS3031CNP chips of HKUST News, the two is communicated by serial ports Uart；Audio frequency power amplifier module is using TI's
TPA6203A1 chips.
As shown in figure 3, present invention also offers a kind of railway to hold terminal charge control method, including：Step 302, obtain
Take the magnitude of voltage of charging equipment battery；Step 304, if magnitude of voltage is between the first voltage value and second voltage value, start
First charging circuit charges；Step 306, if magnitude of voltage is between third voltage value and the 4th magnitude of voltage, second is started
Charging circuit charges；Step 308, if magnitude of voltage is negative value, do not start charging process, send the reversed voice of battery and carry
Show；Step 310, if magnitude of voltage is equal to zero or magnitude of voltage is not in any of the above-described section, start active circuit progress battery and swash
It is living, send the voice prompt of activated batteries.
Above-described embodiment provided according to the present invention, it is preferable that step 310 specifically includes：When receiving control button
Just start active circuit during trigger signal.
Above-described embodiment provided according to the present invention, it is preferable that further include；Start active circuit Posterior circle detection battery electricity
Pressure, if cell voltage is still zero after continuing first time, cuts off active circuit, sends corresponding voice prompt.
Above-described embodiment provided according to the present invention, it is preferable that further include：According to the finger of the closing voice prompt received
Order, no longer plays voice prompt.
The above-described embodiment provided according to the present invention, it is preferable that the first voltage value 2V, second voltage value are 4.2V, the
Three magnitudes of voltage are 5V, and the 4th magnitude of voltage is 8.4V, and the first charging circuit is 3.7V charging circuits, and the second charging circuit fills for 7.4V
Circuit.
Railway provided by the invention holds a kind of embodiment of terminal charge control method as shown in figure 4, waiting to fill
The information of voltage of battery is gathered after electric equipment access charging interface by adc circuit, is opened when detecting that voltage is 2V-4.2V
3.7V charging processes, are prompted after the completion of to be charged by voice and/or status lamp；When it is 5V-8.4V to detect voltage
7.4V charging processes are opened, are prompted after the completion of to be charged by voice and/or status lamp；When to detect voltage be negative value,
It is not turned on charging and voice reminder client battery is anti-inserted；Detect that voltage is 0 or is other values, battery is excluded not reminding user
After the reason for insertion or battery loose contact, judging that the battery of the charging equipment of insertion has been subjected to put needs to activate, can root
Start battery activated to the trigger action for activating button according to user, which includes：Open 3.7V active circuits 5 minutes,
Cell voltage is read in period circulation, when cell voltage is more than 2V, illustrates that battery has activated, into 3.7V charging processes；Or
Open 7.4V active circuits 5 minutes, cell voltage is read in during which circulation, when cell voltage is more than 5V, illustrates that battery has activated,
Into 7.4V charging processes；If it is still 0 to detect voltage after the activation of 5 minutes, prompt to activate, charge closing
Circuit and active circuit.
As shown in figure 5, it is a kind of embodiment of voice module according to embodiments of the present invention, MCU is using NXP's
LPC4337, voice module use the XFS3031CNP of HKUST News, are communicated by serial ports Uart between them.Audio work(
Put the TPA6203A1 using TI.The P2_0 of LPC4337 is connected to the 8 foot RXD of XFS3031CNP, the P2_1 of LPC4337 is connected
The 10 foot TXD of XFS3031CNP are connected to, the P2_3 of LPC4337 is connected to the 9 foot RESET of XFS3031CNP.By LPC4337's
P2_3 is connected to the 1 foot EN of TPA6203A1.During work, LPC4337 is sent by serial ports needs the UNICODE for playing Chinese character to compile
Code gives XFS3031CNP, XFS3031CNP to export corresponding voice analog signal in 4 foot DAC according to the coding received.Voice
Signal is output to loudspeaker after audio-frequency amplifier TPA6203A1 amplifications again.
As shown in fig. 6, be a kind of embodiment of charging interlock circuit according to embodiments of the present invention, wherein, electricity
Cell voltage detection is realized by a differential voltage detection chip ADS1013.Pass through I2C interface between ADS1013 and LPC4337
(SCL, SDA) is connected.When ADC detect cell voltage in 2V between 4.2V when, it is 3.7V batteries that judge needs charge at present；
When the voltage of ADC voltage detectings to 5V to 8.4V, judge to need to charge at present is 7.4V batteries；When ADC voltage detectings arrive
During negative voltage, judge that battery is reversed, be not turned on charge function, while " battery is reversed " voice prompt is played by loudspeaker；When
ADC detects remaining situation, is not turned on charge function.Charging is aided with peripheral circuit by chip BQ24130 and realizes, chip
The 11 foot CELL of BQ24130 charge for 3.7V or 7.4V charging switching feet.When this foot is low level, 3.7V chargings are carried out.When
When this foot is high level, 7.4V chargings are carried out.The P1_8 pins of LPC4337 are passed through into triode driving logic circuit BQ24130
11 foot CELL after, software can by configure the height of P1_8 feet come control selections enter 3.7V charging or 7.4V fill
Electricity.The P1_6 of LPC4337 is connected to 5 feet of chip BQ24130, it is whether normal for reading charged state.By LPC4337's
P1_7 is connected to 7 feet of chip BQ24130, for configuring charging current.
As shown in fig. 7, be a kind of schematic diagram of embodiment of charging control logic according to embodiments of the present invention,
The common port COM of relay 1 connects the COM ends of anode V+, A relay termination 2, the COM ends of B relay terminations 3.Relay
2 A ends are hanging, and B terminates the output VBAT1 networks of charging circuit.The A termination 5V electric power networks of relay 3, B termination 12V power supplys
Network.The P1_1 of processor LPC4337, P1_2, P1_3 are respectively connected to the controlling switch of three relay switches, are responsible for control
Switching logic.Specific logic is as follows：
By P1_1, P1_2, P1_3 acquiescence output low level, the default conditions of circuit are as shown below, " anode V+ "
" hanging " is ultimately connected to, i.e., is not charged, and the default conditions of charger.
P1_2 is set to high level, P1_1 and P1_3 are low level, then " anode V+ " is ultimately connected to " VBAT1 nets
Network ", i.e. equipment enter normal charging condition.The VBAT1 of charging circuit output at this time is connected to anode, so as to reach to electricity
The purpose of pond charging.
P1_1 is set to high level, P1_2, P1_3 is low level, then " anode V+ " is ultimately connected to " 5V ", at this time
Equipment 3.7V batteries, which are crossed, puts state of activation.Into after this state, software needs to be controlled P1_1, every 1 second by P1_1
Set low, and cell voltage is read by voltage detecting, after 1 second, P1_1 is put into height, carries out activating charge.So repeatedly
By P1_1, P1_3 is set to high level, P1_2, and P1_3 is low level, then " anode V+ " is ultimately connected to
" 12V ", equipment 7.4V batteries, which are crossed, at this time puts state of activation.Into after this state, software needs to be controlled P1_1, every
P1_1 was set low in 1 second, and cell voltage is read by voltage detecting, after 1 second, P1_1 put into height, carries out activating charge.So
Repeatedly.
The self-adaptation type railway that the above embodiment of the present invention provides holds terminal charge equipment and its control method causes iron
Road handheld terminal charging equipment can compatible a variety of railway dedicated handheld devices carry out adaptive inductive charging, greatly improve railway work
Convenience of the people when charging to a variety of handheld devices.Overdischarge pond activation function then can effectively repair battery because not having to for a long time
The failure that can not be used after over-discharge is caused, is further provided a convenient for user of service.In terms of human-computer interaction, there is provided
Can free switch voice prompting function, effectively can remind or prompt use state, improve the close friend that product uses
Property and intelligent.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of self-adaptation type railway holds terminal charge equipment, it is characterised in that including：Access the alternating current that power grid provides electric energy
Adapter circuit, for the railway handheld terminal battery charge charging circuit, be in equipment modules power module supply
The charging interface and report charge information that circuit, the MCU module of implementing circuit switching control and charging equipment coordinate
Voice module；
The voice module includes voice playing module, audio frequency power amplifier module and loudspeaker；
The input terminal access power supply grid of the alternating current adapter circuit, the output terminal of the alternating current adapter circuit are connected to the mould
The input terminal of the input terminal of block power supply circuit and the charging circuit；
The output terminal of the module for power supply circuit is respectively connected to the MCU module, the voice playing module and the audio
Power amplifier module；
The charging circuit includes the output branch of multiple voltage, is equipped with contactor on each output branch and is connected to institute
State charging interface；
The charging interface is connected by voltage detecting circuit with the MCU module；
The contactor is connected with the MCU module, and the voice playing module is connected with the MCU module, the audio
Power amplifier is connected with the voice playing module, and the loudspeaker is connected with the audio frequency power amplifier module；
The on off operating mode that the detected value that the MCU module is exported according to the voltage detecting circuit switches the contactor makes institute
The output voltage and the charging equipment for stating charging circuit match；
The voice module is according to the corresponding voice of logic control state plays of the MCU module.
2. self-adaptation type railway according to claim 1 holds terminal charge equipment, it is characterised in that further includes：Connect
It is connected to the switch button, activator button and status indicator lamp of the MCU module；Wherein, the switch button is used for control voice
Playing function, the activator button are used to activate the battery under the state of putting.
3. self-adaptation type railway according to claim 1 holds terminal charge equipment, it is characterised in that the charge information
Include at least：Battery voltage information, battery types information, battery level information, charging status information and abnormal state information.
4. self-adaptation type railway according to claim 1 holds terminal charge equipment, it is characterised in that multiple voltage it is defeated
Out branch specifically includes：3.7V charging circuits, 7.4V charging circuits, 3.7V, which are crossed, puts active circuit and 7.4V is crossed and put active circuit；
The module for power supply circuit provides the voltage output of 3.3V and 5V；The alternating current adapter circuit by 220V alternating currents be converted to 12V with
For needed for the charging circuit and the module for power supply circuit.
5. self-adaptation type railway according to any one of claim 1 to 4 holds terminal charge equipment, it is characterised in that
The MCU module uses the LPC4337 chips of NXP, and the voice playing module uses the XFS3031CNP chips of HKUST News,
The two is communicated by serial ports Uart；The audio frequency power amplifier module uses the TPA6203A1 chips of TI.
A kind of 6. adaptive charging method of railway handheld terminal, it is characterised in that including：
Obtain the magnitude of voltage of charging equipment battery；
Charge if the magnitude of voltage between the first voltage value and second voltage value, starts the first charging circuit；
Charge if the magnitude of voltage between third voltage value and the 4th magnitude of voltage, starts the second charging circuit；
If the magnitude of voltage is negative value, do not start charging process, send the reversed voice prompt of battery；
If the magnitude of voltage is equal to zero or described magnitude of voltage not in any of the above-described section, starts active circuit progress battery and swash
It is living, send the voice prompt of activated batteries.
7. the adaptive charging method of railway handheld terminal according to claim 6, it is characterised in that if the voltage
Value is equal to zero or described magnitude of voltage not in any of the above-described section, then startup active circuit carries out battery activated, sends activation electricity
The step of voice prompt in pond, specifically include：
Just start the active circuit when receiving the trigger signal of control button.
8. the adaptive charging method of railway handheld terminal according to claim 6, it is characterised in that further include；
Start active circuit Posterior circle detection cell voltage, if cell voltage is still zero after continuing first time, cut-out swashs
Live circuit, sends corresponding voice prompt.
9. the adaptive charging method of railway handheld terminal according to claim 6, it is characterised in that further include：
According to the instruction of the closing voice prompt received, voice prompt is no longer played.
10. the adaptive charging method of railway handheld terminal according to any one of claim 6 to 9, it is characterised in that institute
It is 2V to state the first voltage value, and the second voltage value is 4.2V, and the third voltage value is 5V, and the 4th magnitude of voltage is
8.4V, first charging circuit are 3.7V charging circuits, and second charging circuit is 7.4V charging circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332186.0A CN107979135A (en) | 2017-12-13 | 2017-12-13 | Self-adaptation type railway holds terminal charge equipment and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332186.0A CN107979135A (en) | 2017-12-13 | 2017-12-13 | Self-adaptation type railway holds terminal charge equipment and its control method |
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| CN207530592U (en) * | 2017-12-13 | 2018-06-22 | 天津华泽瑞威信息技术有限公司 | Railway holds terminal charge equipment |
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| CN104037926A (en) * | 2014-05-30 | 2014-09-10 | 南京邮电大学 | Multi-power supply device of embedded equipment, and intelligent switching method of multi-power supply device |
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| CN207530592U (en) * | 2017-12-13 | 2018-06-22 | 天津华泽瑞威信息技术有限公司 | Railway holds terminal charge equipment |
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Application publication date: 20180501 |