CN104362468B - Supply socket supervising device and supply socket - Google Patents
Supply socket supervising device and supply socket Download PDFInfo
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- CN104362468B CN104362468B CN201410597031.XA CN201410597031A CN104362468B CN 104362468 B CN104362468 B CN 104362468B CN 201410597031 A CN201410597031 A CN 201410597031A CN 104362468 B CN104362468 B CN 104362468B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
A kind of supply socket supervising device and supply socket, the power supply that the input port of supply socket accesses is carried out voltage and is converted to direct current, and exported by the output port of supply socket, powers to electrical equipment by voltage transformation module.The power supply that the input port of supply socket is accessed by voltage acquisition module carries out voltage sample, obtain sampled voltage and be delivered to processing module, the direct current that voltage transformation module is exported by current sample module carries out current sample, obtains sample rate current and exports to processing module.Processing module carries out analog-to-digital conversion and obtains voltage data and current data sampled voltage and sample rate current, and voltage data and/or current data transmission is shown to display.By the input voltage of supply socket and output electric current are carried out sampling monitoring, so that user can real-time awareness, when input voltage or output electric current too high time can disconnect electrical equipment in time, it is to avoid cause damage, compared with traditional supply socket, improve safety in utilization.
Description
Technical field
The present invention relates to electronic apparatus technical field, particularly relate to a kind of supply socket supervising device and power supply
Socket.
Background technology
Socket, also known as supply socket or combined socket and switch, has referred to that one or more circuit connections are insertable
Seat, can be inserted into various wiring by it, it is simple to other circuit ON.By the company between circuit and copper piece
Make and break is opened, and reaches to be finally reached the connecting and disconnecting of this partial circuit.
Cigarette lighter socket etc. in traditional supply socket such as commercial power socket or car, is all to be connect by same port
Enter power supply, and provide one or more port to electric power supply.The electric current exported due to the port of supply socket
Can change along with the voltage change accessing power supply, if the electric current of output crosses conference damages electrical equipment, traditional electricity
There is the shortcoming that security is low in use in supply socket.
Summary of the invention
Based on this, it is necessary to for the problems referred to above, it is provided that a kind of supply socket prison improving safety in utilization
Control device and supply socket.
A kind of supply socket supervising device, including voltage transformation module, voltage acquisition module, current sample mould
Block, processing module and display,
The input of described voltage transformation module connects the input port of supply socket, described voltage transformation module
Output connect described supply socket output port；Described voltage transformation module is for inserting described power supply
The power supply that the input port of seat accesses carries out voltage conversion, obtains direct current and exports to described supply socket
Output port；
The input of described voltage acquisition module connects the input port of described supply socket, described voltage acquisition
The output of module connects described processing module, defeated for described supply socket of described voltage acquisition module
The power supply that inbound port accesses carries out voltage sample, obtains sampled voltage and is delivered to described processing module；
The input of described current sample module connects the output of described voltage transformation module, and described electric current is adopted
The output of original mold block connects described processing module, and described current sample module is for described voltage modulus of conversion
The direct current of block output carries out current sample, obtains sample rate current and exports to described processing module；
Described processing module connects described display, for described sampled voltage and sample rate current are carried out modulus
It is converted to voltage data and current data, and described voltage data and/or current data are sent to described aobvious
Show that device shows.
A kind of supply socket, including jack body and above-mentioned supply socket supervising device, described jack body is opened
Being provided with show hole, described voltage transformation module, voltage acquisition module, current sample module and processing module set
In described jack body, and the input of described voltage transformation module connects the input port of supply socket,
Output connects the output port of described supply socket, and described display is arranged at described show hole.
Above-mentioned supply socket supervising device and supply socket, voltage transformation module is by the input port of supply socket
The power supply accessed carries out voltage and is converted to direct current, and is exported by the output port of supply socket, to electricity consumption
Equipment is powered.The power supply that the input port of supply socket is accessed by voltage acquisition module carries out voltage sample,
To sampled voltage and be delivered to processing module, the direct current that voltage transformation module is exported by current sample module enters
Row current sample, obtains sample rate current and exports to processing module.Processing module is to sampled voltage and sampling electricity
Stream carries out analog-to-digital conversion and obtains voltage data and current data, and voltage data and/or current data is sent extremely
Display shows.By the input voltage of supply socket and output electric current are carried out sampling monitoring, in order to
User can real-time awareness, when input voltage or output electric current too high time can disconnect electrical equipment in time, it is to avoid make
Become to damage, compared with traditional supply socket, improve safety in utilization.
Accompanying drawing explanation
Fig. 1 is the structure chart of supply socket supervising device in an embodiment；
Fig. 2 is voltage transformation module in an embodiment, voltage acquisition module and the schematic diagram of current sample module；
Fig. 3 A, Fig. 3 B are the partial schematic diagram of voltage transformation module in Fig. 2；
Fig. 4 is the partial schematic diagram of supply socket supervising device in Fig. 2；
Fig. 5 is the schematic diagram of voltage acquisition module in Fig. 2；
Fig. 6 is the schematic diagram of current sample module in Fig. 2；
Fig. 7 is the schematic diagram of processing module in an embodiment；
Fig. 8 is the schematic diagram of display in an embodiment.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right
The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with
It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here
Executing, those skilled in the art can do similar improvement in the case of intension of the present invention, therefore this
Bright do not limited by following public specific embodiment.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
A kind of supply socket supervising device, supply socket can be the cigarette lighter socket etc. on commercial power socket or car.
As it is shown in figure 1, include voltage transformation module 110, voltage acquisition module 120, current sample module 130,
Processing module 140 and display 150.The input of voltage transformation module 110 connects the input of supply socket
Mouthful, the output of voltage transformation module 110 connects the output port of supply socket.Voltage acquisition module 120
Input connect the input port of supply socket, the output of voltage acquisition module 120 connects processing module
140.The input of current sample module 130 connects the output of voltage transformation module 120, current sample mould
The output of block 130 connects processing module 140, and processing module 140 connects display 150.
Voltage transformation module 110 carries out voltage conversion for the power supply accessing the input port of supply socket,
Obtain direct current and export the output port to supply socket, powering to electrical equipment.The input of supply socket
Port access power supply can be civil power can also be direct current.Wherein in an embodiment, supply socket
Input port access DC voltage, voltage transformation module 110 DC voltage is carried out be depressured conversion process,
Direct current after being depressured also is delivered to the output port of supply socket.Such as Fig. 2, Fig. 3 A and Fig. 3 B institute
Show, voltage transformation module 110 include voltage conversion chip U2, voltage stabilizing chip U4, the first switching tube Q3,
Second switch pipe Q4, the first resistance R18, the second resistance R10, the 3rd resistance R14, the 4th resistance R12,
5th resistance R17, the 6th resistance R11, the 7th resistance R16, the 8th resistance R15, the first electric capacity C6,
Second electric capacity C8 and the 3rd electric capacity C4.
First switching tube Q3 and second switch pipe Q4 series connection, and common port is as voltage transformation module 110
Output connects the output port J1 of supply socket, and with the overvoltage protection end PHASE of voltage conversion chip U2
Connect, and be connected with the overcurrent protection end BOOT of voltage conversion chip U2 by the first electric capacity C6, first
The input of switching tube Q3 connects with the input port of supply socket as the input of voltage transformation module 110
Connect, be connected with the input port of supply socket especially by interface TP2 and interface TP3.First switching tube Q3
The end that controls be connected with the high-end field management and control end UGATE of voltage conversion chip U2 by the first resistance R18.
Second switch pipe Q4 controls the end low side field management and control system by the second resistance R10 with voltage conversion chip U2
End LGATE connects, the output head grounding of second switch pipe Q4.The overcurrent protection of voltage conversion chip U2
End OCSET is by the 3rd resistance R14 ground connection, earth terminal GND ground connection.Second electric capacity C8 one end connects
The input of the first switching tube Q3, the other end connects the output of second switch pipe Q4, the second electric capacity C8
Arrange near the input of the first switching tube Q3 and the output of second switch pipe Q4, play damping action to keep away
Exempt from the first switching tube Q3 and second switch pipe Q4 to damage because voltage pulsation is excessive, the second electric capacity C8 in addition
Also serve as and all press, to ensure the first switching tube Q3 and the operating voltage of second switch pipe Q4.
The input VIN of voltage stabilizing chip U4 connects the output port of supply socket, can pass through interface TP2 equally
It is connected with the input port of supply socket with interface TP3.The output OUT of voltage stabilizing chip U4 passes through the 4th
Resistance R12 connects the power supply normal output POK of voltage conversion chip U2, the earth terminal of voltage stabilizing chip U4
GND ground connection.The output OUT of the power end VCC of voltage conversion chip U2 and voltage stabilizing chip U4 is even
Connecing, Enable Pin EN is connected by the output OUT of the 5th resistance R17 and voltage stabilizing chip U4, and voltage turns
Change the frequency control terminal RF of chip U2 by the 6th resistance R11 ground connection.7th resistance R16 and the 8th resistance
R15 series connection and common port connect the current feedback terminal FB of voltage conversion chip U2, and the 7th resistance R16's is another
One end connects the first switching tube Q3 and the common port of second switch pipe Q4, another termination of the 8th resistance R17
Ground, the 3rd electric capacity C4 and the 7th resistance R16 are in parallel.
Voltage conversion chip U2 by controlling the first switching tube Q3 and the turn-on and turn-off of second switch pipe Q4,
The direct current inputting the input port of supply socket carries out step-down process.In the present embodiment, supply socket is defeated
Inbound port accesses the direct current of positive 12V, and voltage conversion chip U2 uses TD1730 chip, by positive 12V
Direct current be converted to positive 5V direct current and be delivered to the output port J1 of supply socket.
Further, wherein in an embodiment, voltage transformation module 110 also include the first inductance L5,
Second inductance L8, the 9th resistance R13, the 4th electric capacity C1, the 5th electric capacity EC4, the 6th electric capacity C15,
Seven electric capacity C2, the 8th electric capacity C16, the 9th electric capacity EC1, the tenth electric capacity C10 and the 11st electric capacity C17.
The input VIN of voltage stabilizing chip U4 is by the 9th resistance R13 and the first inductance L5 and supply socket
Input port connects, and the 4th electric capacity C1 and the 5th electric capacity EC4 one end are all connected with the first inductance L5 and the 9th electricity
The common port of resistance R13, the equal ground connection of the other end of the 4th electric capacity C1 and the 5th electric capacity EC4.6th electric capacity C15
One end connects the input VIN of voltage stabilizing chip U4, other end ground connection.First inductance L5, the 4th electric capacity C1,
5th electric capacity EC4 and the 6th electric capacity C15 both functions as the direct current of the access of the input port to supply socket and is pressed into
Row filtering processes, and improves the signal degree of accuracy.
7th electric capacity C2 and the 8th equal one end of electric capacity C16 connect the output OUT of voltage stabilizing chip U4, another
End ground connection.7th electric capacity C2 and the 8th electric capacity C16 is used as the voltage filter to voltage stabilizing chip U4 output.The
The common port of one switching tube Q3 and second switch pipe Q4 is by the output of the second inductance L8 with supply socket
Mouth J1 connects, the concrete interface 1 connecting output port J1.First switching tube Q3 and second switch pipe Q4
Connect also by the second inductance L8 and the 7th resistance R16.9th electric capacity EC1, the tenth electric capacity C10 and
The second inductance L8 and the first switching tube Q3 and the public affairs of second switch pipe Q4 are passed through in 11 equal one end of electric capacity C17
Hold connection, other end ground connection altogether.Second inductance L8, the 9th electric capacity EC1, the tenth electric capacity C10 and the 11st
Electric capacity C17 is used to be filtered the direct current of voltage conversion chip U2 output, improves the signal degree of accuracy.
In the present embodiment, the first switching tube Q3 and second switch pipe Q4 uses N-channel MOS pipe, at other
Embodiment may be used without NPN type triode replace.
Additionally, with reference to Fig. 2 and Fig. 4, supply socket supervising device may also include resistance R3, resistance R4, electricity
Resistance R5, resistance R6, resistance R7, resistance R25, electric capacity C9 and voltage-stabiliser tube D3.Resistance R4 and resistance
R6 series connection and common port connect the interface 3 of input port J1, and the resistance R4 other end passes through the second inductance L8
Connect the first switching tube Q3 and the common port of second switch pipe Q4, resistance R6 other end ground connection.Resistance R3
With the interface 2 that resistance R7 series connection and common port connect input port J1, the resistance R3 other end is by the second electricity
Sense L8 connects the first switching tube Q3 and the common port of second switch pipe Q4, resistance R7 other end ground connection.Electricity
Resistance R5 one end connects resistance R4 and the common port of resistance R6, and the other end connects resistance R3's and resistance R7
Common port.
The input of voltage-stabiliser tube D3 connects the first switching tube Q3 and second switch pipe Q4 by the second inductance L8
Common port.Resistance R25 and electric capacity C9 one end all with the output of voltage-stabiliser tube D3 and resistance R6 away from
One end of resistance R4 connects, and resistance R25 and the electric capacity C9 other end are all connected with the interface 4 of output port J1
Connect.The interface 5 of output port J1 and interface 6 ground connection.
Voltage acquisition module 120 carries out voltage sample for the power supply accessing the input port of supply socket,
Obtain sampled voltage and be delivered to processing module 140.Wherein in an embodiment, as shown in Figure 2 and Figure 5,
Voltage acquisition module 120 includes the first divider resistance R1, the second divider resistance R2 and filter capacitor C3.The
One divider resistance R1 and the second divider resistance R2 series connection and common port are as the output of voltage acquisition module 120
End, is connected with processing module 140.The other end of the first divider resistance R1 is as voltage acquisition module 120
Input, connects the input port of supply socket.The other end ground connection of the second divider resistance R2.Filter capacitor
C3 and the second divider resistance R2 is in parallel.First divider resistance R1 and the second divider resistance R2 is to supply socket
The voltage that accesses of input port carry out dividing potential drop sampling, the sampled voltage filtered electric capacity C3 filtering that obtains processes
After be delivered to processing module 140.Filtered electric capacity C3 filtering processes can improve signal accuracy equally.
Current sample module 130 carries out current sample for the direct current exporting voltage transformation module 110,
Obtain sample rate current and export to processing module 140.Wherein in an embodiment, as shown in Figure 2 and Figure 6,
Current sample module 130 include the first transport and placing device U6-A, the second transport and placing device U6-B, the 3rd transport and placing device U6-C,
Tenth resistance R20, the 11st resistance R8, the 12nd resistance R19, the 13rd resistance R9 and the 14th electricity
Resistance R22.
The in-phase input end of the first transport and placing device U6-A and inverting input are as the input of current sample module 130
End, is connected with the output of voltage transformation module 110, specifically, and the anti-phase input of the first transport and placing device U6-A
End connects voltage-stabiliser tube D3 and the common port of electric capacity C9, and the in-phase input end of the first transport and placing device U6-A connects electricity
Hold the other end of C9.The in-phase input end of the first transport and placing device U6-A pass through the tenth resistance R20 ground connection, first
The output of transport and placing device U6-A is by the inverting input of the 11st resistance R8 and the first transport and placing device U6-A even
Connect, and connected by the in-phase input end of the 12nd resistance R19 and the second transport and placing device U6-B.Second transport and placing device
The output of U6-B, as the output of current sample module 130, connects processing module 140.13rd electricity
Resistance R9 and the 14th resistance R22 series connection and common port connect the inverting input of the second transport and placing device U6-B, the
The other end of 13 resistance R9 connects the output of the second transport and placing device U6-B, another of the 14th resistance R22
End ground connection.The power end VCC of the 3rd transport and placing device U6-C connects the output of voltage transformation module 110, tool
Body is to be connected by the common port of the second inductance L8 and the first switching tube Q3 and second switch pipe Q4, the 3rd
The earth terminal GND ground connection of transport and placing device U6-C.
First transport and placing device U6-A, the second transport and placing device U6-B and the 3rd transport and placing device U6-C can be discrete units
Part, it is also possible to be to use integrated chip to substitute.The present embodiment use NJM2100 chip realize the first amplifier
Device U6-A, the second transport and placing device U6-B and the function of the 3rd transport and placing device U6-C, i.e. utilize NJM2100 chip
The direct current that the output of voltage transformation module 110 is exported by three transport and placing devices inside set is acquired at amplification
Reason, obtains sample rate current and is delivered to processing module 140.
Further, current sample module 130 may also include the 15th resistance R24, the 16th resistance R21,
17th resistance R19, the 18th resistance R23, the 12nd electric capacity C11, the 13rd electric capacity C5 and the 14th
Electric capacity C12.
The in-phase input end of the first transport and placing device U6-A and inverting input respectively by the 15th resistance R24 and
16th resistance R21 connects the output of voltage transformation module 110, and concrete annexation repeats no more.The
The in-phase input end of two transport and placing device U6-B passes through the 17th resistance R19 and the output of the first transport and placing device U6-A
Connect, and by the 12nd electric capacity C11 ground connection.The output of the second transport and placing device U6-B passes through the 18th resistance
R23 is connected with processing module 140, and by the 13rd electric capacity C5 ground connection.The electricity of the 3rd transport and placing device U6-C
Source VCC passes through the 14th electric capacity C12 ground connection.15th resistance R24, the 16th resistance R21, the tenth
Seven resistance R19 and the 18th resistance R23 are used as current limliting, it is to avoid the excessive damage of electric current is correlated with components and parts.Tenth
Two electric capacity C11, the 13rd electric capacity C5 and the 14th electric capacity C12 are used for filtering, and improve the signal degree of accuracy.
Processing module 140 obtains voltage data and electricity for sampled voltage and sample rate current are carried out analog-to-digital conversion
Flow data, and voltage data and/or current data transmission are shown to display 150.
Processing module 140 can be a kind of transmission in voltage data and current data to be entered to display 150
Row display, it is also possible to be that both of which transmission is shown to display 150.In the present embodiment, processing module 140
Carrying out sampled voltage and sample rate current after analog-to-digital conversion obtains voltage data and current data, detection power supply is inserted
Whether the output port of seat connects load, if it is not, then voltage data transmission is shown to display 150,
The most then send current data to show to display 150.When the output port of supply socket does not connects load,
The voltage accessing supply socket is monitored, in order to user judges whether to be suitable for accessing load.Negative accessing
After load, the electric current to supply socket output is monitored, when electric current is excessive or the too small user of being easy to disconnects negative in time
Carry.Control display 150 according to actual conditions and show different data, improve supply socket supervising device
Applicability.
Wherein in an embodiment, as it is shown in fig. 7, processing module 140 includes connecting voltage acquisition module
120, the process chip U1 of current sample module 130 and display 150, in the present embodiment, processes chip
U1 uses PMC131 chip.Further, the port VDD processing chip U1 connects voltage modulus of conversion
The output of block 110, especially by the second inductance L8 in Fig. 2 and Fig. 3 B and the first switching tube Q3 and
The common port of second switch pipe Q4 connects.Process the port PA7 of chip U1, port PA6, port PA5,
Port PB7, port PB4, port PB5, port PB6, port PB2, port PB0, port PB1
Display 150 is connected with port PB3.The port PA3 processing chip U1 connects voltage acquisition module 120,
Specifically it is connected with the common port of the first divider resistance R1 and the second divider resistance R2 in Fig. 2 and Fig. 5.Process
The port PA4 of chip U1 connects current sample module 130, especially by the 18th electricity in Fig. 2 and Fig. 6
The output of resistance R23 and the second transport and placing device U6-B connects, and processes the port GND ground connection of chip U1.Place
Reason chip U1 carries out analog-to-digital conversion to sampled voltage and sample rate current and obtains voltage data and current data, at electricity
When the output port of supply socket has been not connected with load, voltage data transmission is shown to display 150, Yi Ji
The output port of supply socket connects transmission current data when having load and shows to display 150.
Wherein in an embodiment, as shown in Figure 8, display 150 includes display chip U3, the 3rd opens
Close pipe Q1, the 4th switching tube Q2, the 5th switching tube Q3, the first light emitting diode D1 and the second luminescence two
Pole pipe D2.
First port the 1, second port the 2, the 3rd port the 3, the 4th port 4 and the 5th of display chip U3
Port 5 is all connected with processing module 140, connects the most respectively in Fig. 7 and processes the port PB4 of chip U1, end
Mouth PB3, port PB7, port PB2 and port PB6.3rd port 3 of display chip U3 connects first
Light emitting diode D1 and the positive pole of the second light emitting diode D2, the control end junction of the 3rd switching tube Q1
Reason module 140, processes the port PA5 of chip U1 in the concrete Fig. 7 of connection.The input of the 3rd switching tube Q1
End connects negative pole and the 6th port 6 of display chip U3, the 3rd switching tube Q1 of the first light emitting diode D1
Output head grounding.7th port 7 of display chip U3 connects processing module 140, in concrete connection Fig. 7
Process the port PB1 of chip U1.8th port 8 of display chip U3 connects the defeated of the 4th switching tube Q2
Entering end, the control end of the 4th switching tube Q2 connects processing module 140, processes chip in the concrete Fig. 7 of connection
The port PA6 of U1, the output head grounding of the 4th switching tube Q2.The input of the 5th switching tube Q3 connects aobvious
Show the 9th port 9 and the negative pole of the second light emitting diode D2 of chip U3, the control of the 5th switching tube Q3
End connects processing module 140, processes the port PA7 of chip U1 in the concrete Fig. 7 of connection.5th switching tube Q3
Output head grounding.Tenth port 10 of display chip U3 and the tenth Single port 11 connect processing module 140,
Concrete Fig. 7 of connection respectively processes the port PB5 and port PB0 of chip.
In the present embodiment, display chip U3 uses YF4265 chip, the 3rd switching tube Q1, the 4th switching tube
Q2 and the 5th switching tube Q3 all uses NPN type triode.Process chip U1 by controlling the 3rd switching tube
Q1, the on or off of the 4th switching tube Q2 and the 5th switching tube Q3 control display chip U3 work,
Voltage data and/or current data transmission is concurrently sent to show to display chip U3.First light emitting diode
D1 and the second light emitting diode D2 the most normally works, as display chip U3 for monitoring display device 150
It is easy to user time abnormal know in time.
Additionally, display 150 may also include resistance R26, resistance R27 and resistance R28.3rd switching tube
Q1, the 4th switching tube Q2 and the 5th switching tube Q3 control end respectively by resistance R26, resistance R27 and
Resistance R28 connection processes chip U1, utilizes resistance R26, resistance R27 and resistance R28 to carry out current limliting, keeps away
Exempt from electric current excessive damage switching tube.
Above-mentioned supply socket supervising device, the input port of supply socket is accessed by voltage transformation module 110
Power supply carries out voltage and is converted to direct current, and is exported by the output port of supply socket, supplies to electrical equipment
Electricity.The power supply that the input port of supply socket is accessed by voltage acquisition module 120 carries out voltage sample, obtains
Sampled voltage is also delivered to processing module 140, the direct current that voltage transformation module is exported by current sample module 130
Electricity carries out current sample, obtains sample rate current and exports to processing module 140.Processing module 140 is to sampling electricity
Pressure and sample rate current carry out analog-to-digital conversion and obtain voltage data and current data, and by voltage data and/or electric current
Data transmission shows to display 150.By the input voltage of supply socket and output electric current are carried out
Sampling monitoring, in order to user can real-time awareness, when input voltage or output electric current too high time can disconnect use in time
Electricity equipment, it is to avoid cause damage, compared with traditional supply socket, improve safety in utilization.
Present invention also offers a kind of supply socket, including jack body and above-mentioned supply socket supervising device,
Jack body offers show hole, voltage transformation module, voltage acquisition module, current sample module and process
Module is located in jack body, and the input of voltage transformation module connects the input port of supply socket, defeated
Going out end and connect the output port of described supply socket, display is arranged at show hole.
Above-mentioned supply socket, by carrying out sampling monitoring to input voltage and output electric current, in order to user can be real
Shi Zhixiao, when input voltage or output electric current can disconnect electrical equipment time too high in time, it is to avoid cause damage,
Compared with traditional supply socket, improve safety in utilization.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (9)
1. a supply socket supervising device, it is characterised in that include voltage transformation module, voltage acquisition mould
Block, current sample module, processing module and display,
The input of described voltage transformation module connects the input port of supply socket, described voltage transformation module
Output connect described supply socket output port；Described voltage transformation module is for inserting described power supply
The power supply that the input port of seat accesses carries out voltage conversion, obtains direct current and exports to described supply socket
Output port；
The input of described voltage acquisition module connects the input port of described supply socket, described voltage acquisition
The output of module connects described processing module, defeated for described supply socket of described voltage acquisition module
The power supply that inbound port accesses carries out voltage sample, obtains sampled voltage and is delivered to described processing module；
The input of described current sample module connects the output of described voltage transformation module, and described electric current is adopted
The output of original mold block connects described processing module, and described current sample module is for described voltage modulus of conversion
The direct current of block output carries out current sample, obtains sample rate current and exports to described processing module；
Described processing module connects described display, for described sampled voltage and sample rate current are carried out modulus
It is converted to voltage data and current data, and described voltage data and/or current data are sent to described aobvious
Show that device shows；
Described current sample module include the first transport and placing device, the second transport and placing device, the 3rd transport and placing device, the tenth resistance,
11st resistance, the 12nd resistance, the 13rd resistance and the 14th resistance,
The in-phase input end of described first transport and placing device and inverting input are as the input of described current sample module
End, is connected with the output of described voltage transformation module, and the in-phase input end of described first transport and placing device passes through institute
Stating the tenth resistance eutral grounding, the output of described first transport and placing device is by described 11st resistance and described first fortune
The inverting input putting device connects, and is inputted by the homophase of described 12nd resistance with described second transport and placing device
End connects；The output of described second transport and placing device, as the output of described current sample module, connects described
Processing module, described 13rd resistance and the 14th resistant series and common port connect described second transport and placing device
Inverting input, the other end of described 13rd resistance connects the output of described second transport and placing device, and described the
The other end ground connection of 14 resistance；The power end of described 3rd transport and placing device connects the defeated of described voltage transformation module
Go out end, the earth terminal ground connection of described 3rd transport and placing device.
Supply socket supervising device the most according to claim 1, it is characterised in that described processing module
Carry out described sampled voltage and sample rate current after analog-to-digital conversion obtains voltage data and current data, detecting institute
State the output port of supply socket whether to connect and have load, if it is not, then send described voltage data to the most described
Display shows, the most then send described current data to described display and show.
Supply socket supervising device the most according to claim 1, it is characterised in that described supply socket
Input port access DC voltage, described DC voltage is carried out being depressured at conversion by described voltage acquisition module
Reason, direct current after being depressured also is delivered to the output port of described supply socket；Described voltage modulus of conversion
Block include voltage conversion chip, voltage stabilizing chip, the first switching tube, second switch pipe, the first resistance, second
Resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance,
One electric capacity, the second electric capacity and the 3rd electric capacity,
Described first switching tube and the series connection of second switch pipe, and defeated as described voltage transformation module of common port
Go out end and connect the output port of described supply socket, and be connected with the overvoltage protection end of described voltage conversion chip,
And the overcurrent protection end by the first electric capacity with described voltage conversion chip, the input of described first switching tube
Hold as the input of described voltage transformation module, be connected with the input port of described supply socket, described the
The end that controls of one switching tube is connected by the high-end field management and control end of described first resistance with described voltage conversion chip
Connect；The control end low side field by described second resistance Yu described voltage conversion chip of described second switch pipe
Management and control end connects, the output head grounding of described second switch pipe；The overcurrent protection of described voltage conversion chip
End is by described 3rd resistance eutral grounding, earth terminal ground connection；Described second electric capacity one end connects described first switch
The input of pipe, the other end connects the output of described second switch pipe；
The input of described voltage stabilizing chip connects the output port of described supply socket, and output is by described the
Four resistance connect the power supply normal output of described voltage conversion chip, the earth terminal ground connection of described voltage stabilizing chip；
The power end of described voltage conversion chip is connected with the output of described voltage stabilizing chip, and Enable Pin is by described the
Five resistance are connected with the output of described voltage stabilizing chip, and the frequency control terminal of described voltage conversion chip passes through institute
State the 6th resistance eutral grounding；Described 7th resistance and the 8th resistant series and common port connect described voltage conversion core
The current feedback terminal of sheet, the other end of described 7th resistance connects described first switching tube and second switch pipe
Common port, the other end ground connection of described 8th resistance；Described 3rd electric capacity and described 7th resistor coupled in parallel.
Supply socket supervising device the most according to claim 3, it is characterised in that described voltage is changed
Module also include the first inductance, the second inductance, the 9th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity,
7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity and the 11st electric capacity,
The input of described voltage stabilizing chip is defeated by described 9th resistance and the first inductance and described supply socket
Inbound port connects, and described 4th electric capacity and the 5th electric capacity one end are all connected with described first inductance and described 9th electricity
The common port of resistance, described 4th electric capacity and the equal ground connection of the other end of the 5th electric capacity；Described 6th electric capacity one end is even
Connect the input of described voltage stabilizing chip, other end ground connection；Described 7th electric capacity and the 8th equal one end of electric capacity connect
The output of described voltage stabilizing chip, other end ground connection；Described first switching tube and the common port of second switch pipe
It is connected with the output port of described supply socket and described 7th resistance by described second inductance；Described
Nine electric capacity, the tenth electric capacity and the 11st equal one end of electric capacity by described second inductance and described first switching tube and
The common port of second switch pipe connects, other end ground connection.
Supply socket supervising device the most according to claim 1, it is characterised in that described voltage acquisition
Module includes the first divider resistance, the second divider resistance and filter capacitor, described first divider resistance and second
Divider resistance series connection and common port, as the output of described voltage acquisition module, are connected with described processing module；
The other end of described first divider resistance, as the input of described voltage acquisition module, connects described power supply and inserts
The input port of seat, the other end ground connection of described second divider resistance；Described filter capacitor with described second point
Piezoresistance is in parallel.
Supply socket supervising device the most according to claim 1, it is characterised in that described current sample
Module also include the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 12nd electric capacity,
13rd electric capacity and the 14th electric capacity,
The in-phase input end of described first transport and placing device and inverting input are respectively by described 15th resistance and the
16 resistance connect the output of described voltage transformation module；The in-phase input end of described second transport and placing device passes through
Described 17th resistance is connected with the output of described first transport and placing device, and by described 12nd capacity earth,
The output of described second transport and placing device is connected with described processing module by described 18th resistance, and passes through institute
State the 13rd capacity earth；The power end of described 3rd transport and placing device passes through described 14th capacity earth.
Supply socket supervising device the most according to claim 1, it is characterised in that described processing module
Including the process chip connecting described voltage acquisition module, current sample module and display.
Supply socket supervising device the most according to claim 1, it is characterised in that described display bag
Include display chip, the 3rd switching tube, the 4th switching tube, the 5th switching tube, the first light emitting diode and second
Light emitting diode,
First port of described display chip, the second port, the 3rd port, the 4th port and fifth port are equal
Connecting described processing module, the 3rd port of described display chip connects described first light emitting diode and second
The positive pole of light emitting diode；The control end of described 3rd switching tube connects described processing module, and input connects
The negative pole of described first light emitting diode and the 6th port of described display chip, described 3rd switching tube defeated
Go out to hold ground connection；7th port of described display chip connects described processing module, the 8th of described display chip
Port connects the input of described 4th switching tube, and the control end of described 4th switching tube connects described process mould
Block, output head grounding；The input of described 5th switching tube connects the 9th port and the institute of described display chip
Stating the negative pole of the second light emitting diode, the control end of described 5th switching tube connects described processing module, output
End ground connection；Tenth port of described display chip and the tenth Single port connect described processing module.
9. a supply socket, it is characterised in that include jack body and claim 1 to 8 any one
Described supply socket supervising device, described jack body offers show hole, described voltage transformation module,
Voltage acquisition module, current sample module and processing module are located in described jack body, and described voltage turns
The input of die change block connects the input port of supply socket, and output connects the output of described supply socket
Mouthful, described display is arranged at described show hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597031.XA CN104362468B (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597031.XA CN104362468B (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104362468A CN104362468A (en) | 2015-02-18 |
| CN104362468B true CN104362468B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597031.XA Active CN104362468B (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
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| Country | Link |
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| CN (1) | CN104362468B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932644A (en) * | 2016-05-28 | 2016-09-07 | 来安县信隆机械科技有限公司 | Switching power supply and protection circuit thereof |
| CN106136643B (en) * | 2016-07-01 | 2018-11-06 | 安徽乾通教育装备制造有限公司 | A kind of desk tops multifunctional low-voltage power supply system |
| CN108873721A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Wireless intelligent house control system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543242Y (en) * | 2002-05-13 | 2003-04-02 | 宁波凯峰电器有限公司 | Power supply socket with multi-functional electric energy measurement module |
| CN201057625Y (en) * | 2006-11-17 | 2008-05-07 | 周建林 | Electric property checking and protecting equipment |
| CN101281394A (en) * | 2007-04-04 | 2008-10-08 | 鸿富锦精密工业（深圳）有限公司 | Power socket |
| CN101106239B (en) * | 2007-06-08 | 2011-11-30 | 吴君武 | A multi-function jack |
| CN201732939U (en) * | 2010-05-18 | 2011-02-02 | 黄浩波 | Intelligent socket |
| CN201898249U (en) * | 2010-09-17 | 2011-07-13 | 新乡新飞亚电气有限公司 | State-visibility power socket |
| CN202363699U (en) * | 2011-12-12 | 2012-08-01 | 东华大学 | Digital power plugboard |
| CN202749620U (en) * | 2012-07-25 | 2013-02-20 | 王立平 | Display device used for universal serial bus (USB) data line / power line |
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| CN104362468A (en) | 2015-02-18 |
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