CN209112118U - A kind of power supply unit of mobile unit - Google Patents
A kind of power supply unit of mobile unit Download PDFInfo
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- CN209112118U CN209112118U CN201821500311.4U CN201821500311U CN209112118U CN 209112118 U CN209112118 U CN 209112118U CN 201821500311 U CN201821500311 U CN 201821500311U CN 209112118 U CN209112118 U CN 209112118U
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- supply unit
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Abstract
This application discloses a kind of power supply unit of mobile unit, which includes power circuit and telecommunication circuit, control circuit, switching circuit with power circuit coupling, and power circuit is used to power to telecommunication circuit, control circuit, switching circuit；The control terminal and output end of switching circuit are separately connected control circuit and mobile unit, the input terminal connection communication circuit of control circuit；Telecommunication circuit is for connecting intelligent terminal, and control circuit is according to the on-off of telecommunication circuit and the connection status control switch circuit of intelligent terminal, to realize the on-off being electrically connected between power circuit and mobile unit.Intelligent terminal is able to achieve by the power supply unit of the application to open or close mobile unit, so as to reduce the energy consumption of mobile unit, is improved efficiency.
Description
Technical field
This application involves technical field of automotive electronics more particularly to a kind of power supply units of mobile unit.
Background technique
Probably have that 3% kart and the large-sized truck of the bigger scale of construction be equipped with currently on the market is normal electric car machine.
The energization that cigar lighter socket will not be automatically cut off after this kind of automobile flameout, will lead to be connected to cigar lighter socket vehicle fill persistently to
It is connected to the mobile unit charging that vehicle is filled with, most probably causes to deplete battery capacity and lead to not a little if it is current consuming apparatus
Fire.
In particular in automobile data recorder, prolonged be powered will lead to following problems: automobile data recorder can be in user
It is continued working after parking, iterative cycles are recorded, and can be recorded 6 to 7 hours and be calculated by 32G card, the image that user records originally can be stopped
It brushes off completely afterwards, loses the effective utilization of recorder.Further, automobile data recorder continuous drain is until depleting vehicle device battery
Electricity is easy to cause vehicle device can not normal ignition.Further, since the high speed TF storage card that uses of automobile data recorder is repeatedly repeatedly
It will lead to TF storage card bad block after writing with a brush dipped in Chinese ink, scrap in advance.
Utility model content
The technical issues of the application solves is to provide a kind of power supply unit of mobile unit, is controlled by intelligent terminal vehicle-mounted
The power supply unit of equipment opens or closes, and can reduce the energy consumption of mobile unit, improve efficiency.
In order to solve the above technical problems, the application provides a kind of power supply unit of mobile unit, which includes electricity
Source circuit and the telecommunication circuit coupled with the power circuit, control circuit, switching circuit, the power circuit are used for institute
State telecommunication circuit, the control circuit, switching circuit power supply；The control terminal and output end of the switching circuit are separately connected
The input terminal of the control circuit and the mobile unit, the control circuit connects the telecommunication circuit；The telecommunication circuit
For connecting intelligent terminal, the control circuit is according to the telecommunication circuit and the control of the connection status of the intelligent terminal
The on-off of switching circuit, to realize the on-off being electrically connected between the power circuit and the mobile unit.
Wherein, the telecommunication circuit is Bluetooth circuit.
Wherein, the power supply unit further includes input interface, the input interface coupling cigar lighter socket and the power supply
Circuit is powered by the input interface and the cigar lighter socket to the power circuit.
Wherein, the switching circuit includes: metal-oxide-semiconductor, and the source electrode of the metal-oxide-semiconductor and the power circuit couple, the MOS
The drain electrode of pipe and the mobile unit couple；Transistor, the base stage of the transistor and the control circuit couple, the crystal
The emitter of pipe is grounded, and the grid of the collector of the transistor and the metal-oxide-semiconductor couples.
Wherein, the switching circuit further include: first resistor, one end of the first resistor and the power circuit coupling
It connects, the other end of the first resistor and the control circuit couple；Second resistance, one end of the second resistance and the electricity
The coupling of the source electrode of source circuit and the metal-oxide-semiconductor, the other end of the second resistance and the collector of the transistor and the MOS
The grid of pipe couples；3rd resistor, one end of the 3rd resistor and the control circuit and the base stage of the transistor couple,
The other end of the 3rd resistor is grounded；Filter capacitor, one end of the filter capacitor and the control circuit and the crystal
The base stage of pipe couples, the other end ground connection of the filter capacitor.
Wherein, the switching circuit further includes transmission line, and the source electrode of the metal-oxide-semiconductor passes through the transmission line and the power supply
The drain electrode of circuit connection, the metal-oxide-semiconductor is connect by the transmission line with the mobile unit.
Wherein, mobile unit includes at least one of automobile data recorder, USB interface, vehicle-mounted computer and onboard charger.
Wherein, the telecommunication circuit and the control circuit are integrated in same circuit board.
Wherein, the control terminal of the switching circuit and the control circuit are coupled by universal input/output GPIO interface.
Wherein, the telecommunication circuit is coupled by a specific application of the intelligent terminal and the intelligent terminal.
The beneficial effect of the application is: be different from the prior art, the power supply unit of the application include power circuit and with
Telecommunication circuit, the control circuit, switching circuit of power circuit coupling, telecommunication circuit is for connecting intelligent terminal, control circuit root
It is electric between power circuit and mobile unit to realize according to the on-off of telecommunication circuit and the connection status control switch circuit of intelligent terminal
The on-off of connection.Intelligent terminal is able to achieve by the power supply unit of the application to open or close mobile unit, so as to
The energy consumption for reducing mobile unit, improves efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of power supply unit of the application mobile unit；
Fig. 2 is the structural schematic diagram of one embodiment of switching circuit in the power supply unit of Fig. 1 mobile unit；
Fig. 3 is the workflow schematic diagram of one embodiment of power supply unit of the application mobile unit.
Specific embodiment
It is clear in order to be more clear the purpose, technical solution and advantageous effects of the application, below in conjunction with this Shen
Please attached drawing in embodiment, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described
Embodiment is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field
Those of ordinary skill's every other embodiment obtained without making creative work belongs to the application protection
Range.
Since partial automobile will not automatically cut off the energization of cigar lighter socket after flame-out, to be connect with cigar lighter socket
Mobile unit can continue to charge, mobile unit long-time power pole may lead to dead battery capability automobile normal
Igniting, and when mobile unit is automobile data recorder, automobile data recorder can continue working after user is stopped, and iterative cycles are recorded
And lose the effective utilization of recorder.In order to solve the above technical problems, the application is the technical solution adopted is that power supply unit is led to
Letter circuit and external intelligent terminal establish connection, and control circuit is controlled according to telecommunication circuit and the connection status of external intelligent terminal
The on-off of switching circuit, to realize the on-off being electrically connected between power circuit and mobile unit.Below in conjunction with attached drawing to the application into
Row is described in detail.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of power supply unit of the application mobile unit, this is for Denso
Setting 10 includes power circuit 103 and the telecommunication circuit 101 coupled with power circuit 103, control circuit 102, switching circuit
104, power circuit 103 is used to power to telecommunication circuit 101, control circuit 102, switching circuit 104.The control of switching circuit 104
End processed and output end are separately connected control circuit 102 and mobile unit 105, the input terminal connection communication circuit of control circuit 102
101；Telecommunication circuit 101 is for connecting intelligent terminal, and control circuit 102 is according to the connection shape of telecommunication circuit 101 and intelligent terminal
The on-off of state control switch circuit 104, to realize the on-off being electrically connected between power circuit 103 and mobile unit 105.
In the present embodiment, telecommunication circuit 101 is Bluetooth circuit, establishes connection by Bluetooth circuit and external intelligent terminal,
Specifically, Bluetooth circuit establishes connection by a specific application and external intelligent terminal for external intelligent terminal.Switching circuit 104
Control terminal and control circuit 102 by universal input/output GPIO (General Purpose Input/Output, it is general
Input and output) interface coupling.Mobile unit 105 includes in automobile data recorder, USB interface, vehicle-mounted computer and onboard charger
It is at least one.
Telecommunication circuit 101 in the present embodiment is Bluetooth circuit, and the telecommunication circuit 101 in other embodiments can also pass through nothing
Line width band, ultra wide band or other communication modes and intelligent terminal are established long-range control and are connected.External intelligent terminal includes that hand is mechanical, electrical
At least one of brain, plate, notebook, it is only necessary to intelligent terminal can establish connection with the telecommunication circuit 101 in power supply unit 10,
The control to power supply unit 10 can be realized.
Specifically, when user needs to open mobile unit 105, pass through the specific application and power supply unit of intelligent terminal
10 telecommunication circuit 101 establishes connection, passes the information of successful connection after telecommunication circuit 101 and external intelligent terminal successful connection
Transport to the input terminal of control circuit 102, control circuit 102 exports first voltage signal to switching electricity according to the information of successful connection
The control terminal on road 104, switching circuit 104 are closed under the control of first voltage signal, thus power circuit 103 and mobile unit
105 connections, and power to mobile unit 105, mobile unit 105 works normally；It needs to close mobile unit when user leaves vehicle
When 105,101 connection failure of telecommunication circuit of the specific application and power supply unit 10 of intelligent terminal, telecommunication circuit 101 will be connected
The information of failure is transmitted to the input terminal of control circuit 102, and control circuit 102 exports second voltage according to the information of connection failure
Signal is to the control terminal of switching circuit 104, and switching circuit 104 disconnects under the control of second voltage signal, thus power circuit
103 disconnect with mobile unit 105, and mobile unit 105 stops working.First voltage signal in the present embodiment is high level
Signal, second voltage signal are low level signal, and first voltage signal can also be arranged according to practical situation in other embodiments is
Low level signal, second voltage signal are high level signal, and the application is not specifically limited.
It should be noted that each functional unit in each embodiment of the application can integrate in a processing unit
In, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units.Example
Such as, the telecommunication circuit 101 in the present embodiment and control circuit 102 are independent from each other two units, logical in other embodiments
Letter circuit 101 and control circuit 102 also can integrate in same circuit board, and the application is not specifically limited.
In other specific embodiments, power supply unit 10 further includes input interface, and input interface couples power circuit 103
And cigar lighter socket, it is powered by the input interface and cigar lighter socket to power circuit 103.
It can be seen from the above, the telecommunication circuit 101 in power supply unit 10 is used to establish connection with external intelligent terminal, and will even
The information for connecing success or failure is transmitted to the input terminal of control circuit 102, and control circuit 102 is according to the successful connection or failure
Information exports the control terminal of first voltage signal or second voltage signal to switching circuit 104, and switching circuit 104 is in first electricity
Closing or opening under the control of signal or second voltage signal is pressed, so that power circuit 103 is powered to mobile unit 105 or do not supplied
Electricity, so as to be turned off in time when being without the use of mobile unit 105.I.e. the application controls mobile unit by intelligent terminal
Opening or closing for 105 power supply unit 10, can reduce the energy consumption of mobile unit 105, improve efficiency.
Further, referring to Fig. 2, Fig. 2 is the structure of one embodiment of switching circuit in the power supply unit of Fig. 1 mobile unit
Schematic diagram.As shown in Fig. 2, the switching circuit 104 includes: metal-oxide-semiconductor Q1, transistor Q2, first resistor R1, second resistance R2,
Three resistance R3 and filter capacitor C1.
Combined with Figure 1 and Figure 2, in the present embodiment, the source electrode and power circuit 103 of metal-oxide-semiconductor Q1 is coupled, the drain electrode of metal-oxide-semiconductor Q1
It is coupled with mobile unit 105.Specifically, more transmission line L1 to L7 are provided in switching circuit 104, wherein the source of metal-oxide-semiconductor Q1
Pole is coupled by three transmission lines L1, L2, L3 and power circuit 103, can also pass through the biography of other quantity in other embodiments
Defeated line and power circuit 103 couple, and the drain electrode of metal-oxide-semiconductor Q1 passes through four transmission lines L4, L5, L6, L7 and 105 coupling of mobile unit
It connects, can also be coupled by the transmission line and mobile unit 105 of other quantity in other embodiments.More specifically, the present embodiment
In metal-oxide-semiconductor Q1 be P-channel metal-oxide-semiconductor, the grid of metal-oxide-semiconductor Q1 connect with the collector of transistor Q2, the base stage of transistor Q2 and
Control circuit 102 couples, the emitter ground connection of transistor Q2.When the base stage of transistor Q2 receives the output of control circuit 102
After high level signal, the collector of transistor Q2 issues low level signal to the grid of metal-oxide-semiconductor Q1, at this time the source electrode of metal-oxide-semiconductor Q1
It is electrically connected with drain electrode, so that power circuit 103 is electrically connected with mobile unit 105, mobile unit 105 is worked normally；Work as transistor
After the base stage of Q2 receives the low level signal of the output of control circuit 102, the collector of transistor Q2 is sent out to the grid of metal-oxide-semiconductor Q1
High level signal out, the source electrode and drain electrode of metal-oxide-semiconductor Q1 disconnects electrical connection at this time, so that power circuit 103 and mobile unit 105 are disconnected
Electrical connection is opened, mobile unit 105 stops working.
Further, one end of first resistor R1 and power circuit 103 couple in switching circuit 104, first resistor R1's
The other end and control circuit 102 couple；The source electrode of one end of second resistance R2 and power circuit 103 and metal-oxide-semiconductor Q1 couples, and second
The grid of the other end of resistance R2 and the collector of transistor Q2 and metal-oxide-semiconductor Q1 couples；One end of 3rd resistor R3 and control electricity
The coupling of the base stage of road 102 and transistor Q2, the other end ground connection of 3rd resistor R3.One end of filter capacitor C1 and control circuit
The base stage of 102 and transistor Q2 couples, the other end ground connection of filter capacitor C1.
How to be realized by power supply unit 10 to the specific works opened or closed of mobile unit 105 in the application
Process is further described, referring to Fig. 3, Fig. 3 is the workflow of one embodiment of power supply unit of the application mobile unit
The workflow of schematic diagram, the power supply unit includes the following steps:
Step 301: opening the specific application in intelligent terminal.
Step 302: the telecommunication circuit in intelligent terminal and power supply unit is attempted to connect.
In the present embodiment, a specific application and external intelligence that the telecommunication circuit in power supply unit passes through external intelligent terminal
Terminal is attached.
Step 303: if successful connection, control circuit receives the open signal that telecommunication circuit issues, and sends first voltage
Signal is to switching circuit.
Specifically, after intelligent terminal opens specific application corresponding with power supply unit 10 combined with Figure 1 and Figure 2, intelligent terminal
It attempts to connect with the telecommunication circuit 101 in power supply unit 10.If within a preset time, such as 1min, intelligent terminal with for Denso
101 successful connection of telecommunication circuit in 10 is set, the control circuit 102 in power supply unit 10 receives opening for the sending of telecommunication circuit 101
Signal is opened, and sends first voltage signal to switching circuit 104, the first voltage signal in the present embodiment is high level signal.
Step 304: if switching circuit has been switched on, switching circuit is kept it turning on；If switching circuit is not opened, open
Switching circuit.306 are entered step if connection failure.
Step 305: mobile unit is powered.
After switching circuit 104 is opened, power circuit 103 is electrically connected with mobile unit 105, so that mobile unit 105 is powered
It can work normally.
Step 309: terminating process.
Specifically workflow is as follows for the power supply unit combined with Figure 1 and Figure 2: the base stage of transistor Q2 receives control electricity
The collector of the first voltage signal for the high level that road 102 issues, transistor Q2 issues low level letter to the grid of metal-oxide-semiconductor Q1
Number, the source electrode and drain electrode of metal-oxide-semiconductor Q1 is electrically connected at this time, and power circuit 103 powers to mobile unit 105.In addition, if switching at this time
Metal-oxide-semiconductor Q1 in circuit 104 has been electrically connected, then switching circuit 104 is kept it turning on, if switching circuit 104 is not opened, opens
Switching circuit 104, mobile unit 105 are powered, and terminate process after energization.
In addition, if within a preset time, such as 1min, intelligent terminal are connect with the telecommunication circuit 101 in power supply unit
Failure, then execute following steps:
Step 306: if connection failure, control circuit receives the shutdown signal that telecommunication circuit issues, and sends second voltage
Signal is to switching circuit.
Step 307: if switching circuit has been switched off, switching circuit is remained turned-off；If switching circuit is not turned off, close
Switching circuit.
Step 308: mobile unit stops being powered.
Step 309: terminating process.
Specifically workflow is as follows for the power supply unit combined with Figure 1 and Figure 2: the base stage of transistor Q2 receives control electricity
The low level second voltage signal that road 102 issues, transistor Q2 collector issue high level signal to the grid of metal-oxide-semiconductor Q1,
The source electrode and drain electrode of metal-oxide-semiconductor Q1 disconnects at this time.In addition, being switched if the metal-oxide-semiconductor Q1 at this time in switching circuit 104 is already off
Circuit 104 remains open, if switching circuit 104 does not disconnect, disconnects the switching circuit 104, mobile unit stops being powered, stop
Terminate process after energization.
In addition, combining the positioning function in intelligent terminal on the basis of the present embodiment, moreover it is possible to realize to power supply unit 10
Positioning.Specifically, after the telecommunication circuit 101 in power supply unit 10 is connected or disconnected with intelligent terminal, in intelligent terminal
Positioning device obtains current time point and location information and sends above- mentioned information in conjunction with the map application in intelligent terminal
Into the specific application for controlling power supply unit 10, the positioning to the automobile for carrying power supply unit 10 can be realized.Further
, after determining position, in conjunction with the map application in intelligent terminal, the power supply unit 10 in the present embodiment, which is also able to achieve, looks for bus or train route
The displaying and navigation of line.In addition to this, the time connected or disconnected in conjunction with telecommunication circuit, moreover it is possible to record down time point.
The beneficial effect of the application is: be different from the prior art, the power supply unit of the application include power circuit and with
Telecommunication circuit, the control circuit, switching circuit of power circuit coupling, telecommunication circuit is for connecting intelligent terminal, control circuit root
It is electric between power circuit and mobile unit to realize according to the on-off of telecommunication circuit and the connection status control switch circuit of intelligent terminal
The on-off of connection.Intelligent terminal is able to achieve by the power supply unit of the application to open or close mobile unit, so as to
The energy consumption for reducing mobile unit, improves efficiency.
It should be noted that the above various embodiments belongs to same inventive concept, the description of each embodiment emphasizes particularly on different fields,
Not detailed place is described in separate embodiment, can refer to the description in other embodiments.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content is applied directly or indirectly in other relevant
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of power supply unit of mobile unit, which is characterized in that the power supply unit include power circuit and with the electricity
Telecommunication circuit, the control circuit, switching circuit of source circuit coupling, the power circuit are used for the telecommunication circuit, the control
Circuit processed, switching circuit power supply；The control terminal and output end of the switching circuit are separately connected the control circuit and institute
Mobile unit is stated, the input terminal of the control circuit connects the telecommunication circuit；
The telecommunication circuit is for connecting intelligent terminal, and the control circuit is according to the telecommunication circuit and the intelligent terminal
Connection status controls the on-off of the switching circuit, to realize that is be electrically connected between the power circuit and the mobile unit leads to
It is disconnected.
2. power supply unit according to claim 1, which is characterized in that the telecommunication circuit is Bluetooth circuit.
3. power supply unit according to claim 1, which is characterized in that the power supply unit further includes input interface, described
Input interface couples cigar lighter socket and the power circuit, gives the electricity by the input interface and the cigar lighter socket
Source circuit power supply.
4. power supply unit according to claim 1 or 3, which is characterized in that the switching circuit includes:
Metal-oxide-semiconductor, the source electrode of the metal-oxide-semiconductor and the power circuit couple, the drain electrode of the metal-oxide-semiconductor and the mobile unit coupling
It connects；
Transistor, the base stage of the transistor and the control circuit couple, the emitter ground connection of the transistor, the crystal
The grid of the collector of pipe and the metal-oxide-semiconductor couples.
5. power supply unit according to claim 4, which is characterized in that the switching circuit further include:
First resistor, one end of the first resistor and the power circuit couple, the other end of the first resistor with it is described
Control circuit coupling；
The source electrode of second resistance, one end of the second resistance and the power circuit and the metal-oxide-semiconductor couples, second electricity
The grid of the collector and the metal-oxide-semiconductor of the other end of resistance and the transistor couples；
3rd resistor, one end of the 3rd resistor and the control circuit and the base stage of the transistor couple, the third
The other end of resistance is grounded；
Filter capacitor, one end of the filter capacitor and the control circuit and the base stage of the transistor couple, the filtering
The other end of capacitor is grounded.
6. power supply unit according to claim 5, which is characterized in that the switching circuit further includes transmission line, the MOS
The source electrode of pipe is connect by the transmission line with the power circuit, the drain electrode of the metal-oxide-semiconductor pass through the transmission line with it is described
Mobile unit connection.
7. power supply unit according to claim 1, which is characterized in that the mobile unit includes that automobile data recorder, USB connect
At least one of mouth, vehicle-mounted computer and onboard charger.
8. power supply unit according to claim 1, which is characterized in that the telecommunication circuit is integrated in the control circuit
In same circuit board.
9. power supply unit according to claim 1, which is characterized in that the control terminal of the switching circuit and control electricity
Road passes through universal input/output GPIO interface coupling.
10. power supply unit according to claim 1, which is characterized in that the telecommunication circuit passes through the intelligent terminal
One specific application and the intelligent terminal couple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500311.4U CN209112118U (en) | 2018-09-13 | 2018-09-13 | A kind of power supply unit of mobile unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500311.4U CN209112118U (en) | 2018-09-13 | 2018-09-13 | A kind of power supply unit of mobile unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209112118U true CN209112118U (en) | 2019-07-16 |
Family
ID=67198572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500311.4U Active CN209112118U (en) | 2018-09-13 | 2018-09-13 | A kind of power supply unit of mobile unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209112118U (en) |
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2018
- 2018-09-13 CN CN201821500311.4U patent/CN209112118U/en active Active
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