CN104362468A - Power socket and monitoring device for same - Google Patents
Power socket and monitoring device for same Download PDFInfo
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- CN104362468A CN104362468A CN201410597031.XA CN201410597031A CN104362468A CN 104362468 A CN104362468 A CN 104362468A CN 201410597031 A CN201410597031 A CN 201410597031A CN 104362468 A CN104362468 A CN 104362468A
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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
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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
- H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
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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
- 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
The invention discloses a power socket and a monitoring device for the same. The monitoring device is characterized in that voltages of a power source connected into an input port of the power socket are converted by a voltage conversion module to obtain direct currents, and the direct currents are outputted by an output port of the power socket, and electricity can be supplied to electric equipment; the voltages of the power source connected into the input port of the power socket are sampled by a voltage acquisition module to obtain sampled voltages, the sampled voltages are transmitted to a processing module, the direct currents outputted by the voltage conversion module are sampled by a current sampling module to obtain sampled currents, and the sampled currents are outputted to the processing module; the sampled voltages and the sampled currents are subjected to analog-digital conversion by the processing module to obtain voltage data and current data, and the voltage data and/or the current data are transmitted to a display to be displayed by the display. The power socket and the monitoring device have the advantages that the inputted voltages and the outputted currents of the power socket are sampled and monitored, so that users can know the inputted voltages and the outputted currents in real time, the electric equipment can be timely disconnected from the power source when the inputted voltages or the outputted currents are excessively high, damage can be prevented, and the service safety can be improved as compared with the traditional power socket.
Description
Technical field
The present invention relates to electronic apparatus technical field, particularly relate to a kind of supply socket supervising device and supply socket.
Background technology
Socket, also known as supply socket or combined socket and switch, has referred to the insertable seat of one or more circuit connections, can insert various wiring by it, be convenient to and other circuit ON.By the connection between circuit and copper piece and disconnection, reach the connecting and disconnecting finally reaching this partial circuit.
Traditional supply socket, as the cigarette lighter socket etc. in commercial power socket or car, is all access power supply by same port, and provides one or more port to electric power supply.The electric current exported due to the port of supply socket can change along with the change in voltage of access power supply, if the electric current exported is crossed conference and damaged electrical equipment, traditional supply socket exists the low shortcoming of fail safe in use.
Summary of the invention
Based on this, be necessary for the problems referred to above, a kind of the supply socket supervising device and the supply socket that improve safety in utilization are provided.
A kind of supply socket supervising device, comprises voltage transformation module, voltage acquisition module, current sample module, processing module and display,
The input of described voltage transformation module connects the input port of supply socket, and the output of described voltage transformation module connects the output port of described supply socket; Described voltage transformation module is used for carrying out voltage transitions to the power supply that the input port of described supply socket accesses, and obtains direct current and exports the output port of described supply socket to;
The input of described voltage acquisition module connects the input port of described supply socket, the output of described voltage acquisition module connects described processing module, described voltage acquisition module is used for carrying out voltage sample to the power supply that the input port of described supply socket accesses, and 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, the output of described current sample module connects described processing module, described current sample module is used for carrying out current sample to the direct current that described voltage transformation module exports, and obtains sample rate current and exports described processing module to;
Described processing module connects described display, obtains voltage data and current data for carrying out analog-to-digital conversion to described sampled voltage and sample rate current, and described voltage data and/or current data are sent to described display show.
A kind of supply socket, comprise jack body and above-mentioned 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 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, the power supply that the input port of supply socket accesses by voltage transformation module carries out voltage transitions and obtains direct current, and is exported by the output port of supply socket, powers to power consumption equipment.Voltage acquisition module carries out voltage sample to the power supply that the input port of supply socket accesses, obtain sampled voltage and be delivered to processing module, current sample module carries out current sample to the direct current that voltage transformation module exports, and obtains sample rate current and exports processing module to.Processing module is carried out analog-to-digital conversion to sampled voltage and sample rate current and is obtained voltage data and current data, and voltage data and/or current data are sent to display show.By carrying out sampling monitoring to the input voltage of supply socket and output current, so that user can real-time awareness, when input voltage or output current too high time can disconnect power consumption equipment in time, avoid causing 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 the schematic diagram of voltage transformation module in an embodiment, voltage acquisition module and 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.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations 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 shown in Figure 1, voltage transformation module 110, voltage acquisition module 120, current sample module 130, processing module 140 and display 150 is comprised.The input of voltage transformation module 110 connects the input port of supply socket, and the output of voltage transformation module 110 connects the output port of supply socket.The input of voltage acquisition module 120 connects the input port of supply socket, the output connection handling module 140 of voltage acquisition module 120.The input of current sample module 130 connects the output of voltage transformation module 120, and the output connection handling module 140 of current sample module 130, processing module 140 connects display 150.
Voltage transformation module 110 carries out voltage transitions for the power supply accessed the input port of supply socket, obtains direct current and exports the output port of supply socket to, powering to power consumption equipment.The power supply of the input port access of supply socket can be civil power also can be direct current.Wherein in an embodiment, the input port of supply socket access direct voltage, voltage transformation module 110 pairs of direct voltages carry out step-down conversion process, obtain the direct current after step-down and are delivered to the output port of supply socket.As shown in Fig. 2, Fig. 3 A and Fig. 3 B, voltage transformation module 110 comprises 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, the 5th resistance R17, the 6th resistance R11, the 7th resistance R16, the 8th resistance R15, the first electric capacity C6, the second electric capacity C8 and the 3rd electric capacity C4.
First switching tube Q3 and second switch pipe Q4 connects; and common port is as the output port J1 of the output connection supply socket of voltage transformation module 110; and be connected with the overvoltage protection end PHASE of voltage conversion chip U2; and be connected with the overcurrent protection end BOOT of voltage conversion chip U2 by the first electric capacity C6; the input of the first switching tube Q3 is connected with the input port of supply socket as the input of voltage transformation module 110, is connected with interface TP3 especially by interface TP2 with the input port of supply socket.The control end of the first switching tube Q3 is connected with the high-end field pipe control end UGATE of voltage conversion chip U2 by the first resistance R18.The control end of second switch pipe Q4 is connected with the low side field pipe control end LGATE of voltage conversion chip U2 by the second resistance R10, the output head grounding of second switch pipe Q4.The overcurrent protection end OCSET of voltage conversion chip U2 passes through 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, second electric capacity C8 is arranged near the input of the first switching tube Q3 and the output of second switch pipe Q4, play damping action to damage because voltage fluctuation is excessive to avoid the first switching tube Q3 and second switch pipe Q4, in addition the second electric capacity C8 is also used as all to press, to ensure the operating voltage of the first switching tube Q3 and second switch pipe Q4.
The input VIN of voltage stabilizing chip U4 connects the output port of supply socket, is connected equally by interface TP2 with interface TP3 with the input port of supply socket.The output OUT of voltage stabilizing chip U4 connects the power supply normal output POK of voltage conversion chip U2, the earth terminal GND ground connection of voltage stabilizing chip U4 by the 4th resistance R12.The power end VCC of voltage conversion chip U2 is connected with the output OUT of voltage stabilizing chip U4, and Enable Pin EN is connected with the output OUT of voltage stabilizing chip U4 by the 5th resistance R17, and the frequency control terminal RF of voltage conversion chip U2 is by the 6th resistance R11 ground connection.7th resistance R16 connects with the 8th resistance R15 and common port is connected the current feedback terminal FB of voltage conversion chip U2, the other end of the 7th resistance R16 connects the common port of the first switching tube Q3 and second switch pipe Q4, the other end ground connection of the 8th resistance R17, the 3rd electric capacity C4 is in parallel with the 7th resistance R16.
Voltage conversion chip U2, by the turn-on and turn-off of control first switching tube Q3 and second switch pipe Q4, carries out step-down process to the direct current that the input port of supply socket inputs.In the present embodiment, the input port of supply socket accesses the direct current of positive 12V, and voltage conversion chip U2 adopts TD1730 chip, the direct current of positive 12V is converted to the output port J1 that positive 5V direct current is delivered to supply socket.
Further, wherein in an embodiment, voltage transformation module 110 also comprises the first inductance L 5, second inductance L 8, the 9th resistance R13, the 4th electric capacity C1, the 5th electric capacity EC4, the 6th electric capacity C15, the 7th electric capacity C2, the 8th electric capacity C16, the 9th electric capacity EC1, the tenth electric capacity C10 and the 11 electric capacity C17.
The input VIN of voltage stabilizing chip U4 is connected with the input port of supply socket with the first inductance L 5 by the 9th resistance R13,4th electric capacity C1 is all connected the common port of the first inductance L 5 and the 9th resistance R13 with the 5th electric capacity EC4 one end, 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 L 5, the 4th electric capacity C1, the 5th electric capacity EC4 and the 6th electric capacity C15 all carry out filtering process as the direct voltage accessed the input port of supply socket, improve signal accuracy.
7th electric capacity C2 is connected the output OUT of voltage stabilizing chip U4 with the 8th equal one end of electric capacity C16, other end ground connection.7th electric capacity C2 and the 8th electric capacity C16 is used as the voltage filter exported voltage stabilizing chip U4.First switching tube Q3 is connected with the output port J1 of supply socket by the second inductance L 8 with the common port of second switch pipe Q4, the concrete interface 1 connecting output port J1.First switching tube Q3 is also connected with the 7th resistance R16 by the second inductance L 8 with second switch pipe Q4.9th electric capacity EC1, the tenth electric capacity C10 are connected by the common port of the second inductance L 8 with the first switching tube Q3 and second switch pipe Q4 with the 11 equal one end of electric capacity C17, other end ground connection.Second inductance L 8, the 9th electric capacity EC1, the tenth electric capacity C10 and the direct current of the 11 electric capacity C17 all for exporting voltage conversion chip U2 carry out filtering, improve signal accuracy.
In the present embodiment, the first switching tube Q3 and second switch pipe Q4 adopts N-channel MOS pipe, and NPN type triode also can be adopted in other embodiments to replace.
In addition, with reference to Fig. 2 and Fig. 4, supply socket supervising device also can comprise resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R25, electric capacity C9 and voltage-stabiliser tube D3.Resistance R4 and resistance R6 connect and common port is connected the interface 3 of input port J1, and the resistance R4 other end connects the common port of the first switching tube Q3 and second switch pipe Q4 by the second inductance L 8, resistance R6 other end ground connection.Resistance R3 and resistance R7 connect and common port is connected the interface 2 of input port J1, and the resistance R3 other end connects the common port of the first switching tube Q3 and second switch pipe Q4 by the second inductance L 8, resistance R7 other end ground connection.The common port of resistance R5 one end contact resistance R4 and resistance R6, the common port of other end contact resistance R3 and resistance R7.
The input of voltage-stabiliser tube D3 connects the common port of the first switching tube Q3 and second switch pipe Q4 by the second inductance L 8.Resistance R25 and electric capacity C9 one end are all connected away from one end of resistance R4 with the output of voltage-stabiliser tube D3 and resistance R6, and the interface 4 that resistance R25 is all connected output port J1 with the electric capacity C9 other end connects.The interface 5 of output port J1 and interface 6 ground connection.
Voltage acquisition module 120 carries out voltage sample for the power supply accessed the input port of supply socket, obtains sampled voltage and is delivered to processing module 140.Wherein in an embodiment, as shown in Figure 2 and Figure 5, voltage acquisition module 120 comprises the first divider resistance R1, the second divider resistance R2 and filter capacitor C3.First divider resistance R1 and the second divider resistance R2 connect and common port as the output of voltage acquisition module 120, be connected with processing module 140.The other end of the first divider resistance R1, as the input of voltage acquisition module 120, connects the input port of supply socket.The other end ground connection of the second divider resistance R2.Filter capacitor C3 is in parallel with the second divider resistance R2.First divider resistance R1 and the second divider resistance R2 carries out dividing potential drop sampling to the voltage that the input port of supply socket accesses, and the sampled voltage obtained is delivered to processing module 140 after filter capacitor C3 filtering process.Signal accuracy can be improved equally through filter capacitor C3 filtering process.
Current sample module 130 carries out current sample for the direct current exported voltage transformation module 110, obtains sample rate current and exports processing module 140 to.Wherein in an embodiment, as shown in Figure 2 and Figure 6, current sample module 130 comprises the first transport and placing device U6-A, the second transport and placing device U6-B, the 3rd transport and placing device U6-C, the tenth resistance R20, the 11 resistance R8, the 12 resistance R19, the 13 resistance R9 and the 14 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, be connected with the output of voltage transformation module 110, particularly, the inverting input of the first transport and placing device U6-A connects the common port of voltage-stabiliser tube D3 and electric capacity C9, and the in-phase input end of the first transport and placing device U6-A connects the other end of electric capacity C9.The in-phase input end of the first transport and placing device U6-A is by the tenth resistance R20 ground connection, the output of the first transport and placing device U6-A is connected with the inverting input of the first transport and placing device U6-A by the 11 resistance R8, and is connected with the in-phase input end of the second transport and placing device U6-B by the 12 resistance R19.The output of the second transport and placing device U6-B as the output of current sample module 130, connection handling module 140.13 resistance R9 connects with the 14 resistance R22 and common port is connected the inverting input of the second transport and placing device U6-B, and the other end of the 13 resistance R9 connects the output of the second transport and placing device U6-B, the other end ground connection of the 14 resistance R22.The power end VCC of the 3rd transport and placing device U6-C connects the output of voltage transformation module 110, is connected, the earth terminal GND ground connection of the 3rd transport and placing device U6-C specifically by the common port of the second inductance L 8 with the first switching tube Q3 and second switch pipe Q4.
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 elements, also can be to adopt integrated chip to substitute.NJM2100 chip is adopted to realize the function of the first transport and placing device U6-A, the second transport and placing device U6-B and the 3rd transport and placing device U6-C in the present embodiment, namely utilize three transport and placing devices established in NJM2100 chip to carry out collection to the direct current that the output of voltage transformation module 110 exports and amplify process, obtain sample rate current and be delivered to processing module 140.
Further, current sample module 130 also can comprise the 15 resistance R24, the 16 resistance R21, the 17 resistance R19, the 18 resistance R23, the 12 electric capacity C11, the 13 electric capacity C5 and the 14 electric capacity C12.
The in-phase input end of the first transport and placing device U6-A and inverting input are connected the output of voltage transformation module 110 with the 16 resistance R21 respectively by the 15 resistance R24, concrete annexation repeats no more.The in-phase input end of the second transport and placing device U6-B is connected with the output of the first transport and placing device U6-A by the 17 resistance R19, and by the 12 electric capacity C11 ground connection.The output of the second transport and placing device U6-B is connected with processing module 140 by the 18 resistance R23, and by the 13 electric capacity C5 ground connection.The power end VCC of the 3rd transport and placing device U6-C is by the 14 electric capacity C12 ground connection.15 resistance R24, the 16 resistance R21, the 17 resistance R19 and the 18 resistance R23 are used as current limliting, avoid the excessive damage of electric current to be correlated with components and parts.12 electric capacity C11, the 13 electric capacity C5 and the 14 electric capacity C12 are used for filtering, improve signal accuracy.
Processing module 140 obtains voltage data and current data for carrying out analog-to-digital conversion to sampled voltage and sample rate current, and voltage data and/or current data are sent to display 150 show.
Processing module 140 can be the one in voltage data and current data is sent to display 150 show, and also can be both are all sent to display 150 to show.In the present embodiment, processing module 140 pairs of sampled voltages and sample rate current carry out after analog-to-digital conversion obtains voltage data and current data, whether the output port detecting supply socket is connected with load, if not, then voltage data is sent to display 150 to show, if so, then send current data to show to display 150.When the output port of supply socket does not connect load, the voltage of supply socket access is monitored, so that user judges whether to be applicable to access load.After access load, the electric current that supply socket exports is monitored, when electric current is excessive or be too smallly convenient to the timely disconnecting consumers of user.Control display 150 according to actual conditions and show different data, improve the applicability of supply socket supervising device.
Wherein in an embodiment, as shown in Figure 7, processing module 140 comprises the process chip U1 connecting voltage acquisition module 120, current sample module 130 and display 150, and in the present embodiment, process chip U1 adopts PMC131 chip.Further, the port VDD of process chip U1 connects the output of voltage transformation module 110, is connected especially by the common port of the second inductance L 8 in Fig. 2 with Fig. 3 B with the first switching tube Q3 and second switch pipe Q4.The port PA7 of process chip U1, port PA6, port PA5, port PB7, port PB4, port PB5, port PB6, port PB2, port PB0, port PB1 are connected display 150 with port PB3.The port PA3 of process chip U1 connects voltage acquisition module 120, is specifically connected with the common port of the first divider resistance R1 and the second divider resistance R2 in Fig. 2 and Fig. 5.The port PA4 of process chip U1 connects current sample module 130, is connected, the port GND ground connection of process chip U1 especially by the 18 resistance R23 in Fig. 2 with Fig. 6 with the output of the second transport and placing device U6-B.Process chip U1 carries out analog-to-digital conversion to sampled voltage and sample rate current and obtains voltage data and current data, when the output port of supply socket is not connected with load, voltage data is sent to display 150 to show, and transmission current data shows to display 150 when the output port of supply socket is connected with load.
Wherein in an embodiment, as shown in Figure 8, display 150 comprises display chip U3, the 3rd switching tube Q1, the 4th switching tube Q2, the 5th switching tube Q3, the first light-emitting diode D1 and the second light-emitting diode D2.
First port one of display chip U3, the second port 2, the 3rd port 3, the 4th port 4 and five-port 5 be connection handling module 140 all, port PB4, the port PB3 of process chip U1, port PB7, port PB2 and port PB6 in concrete connection layout 7 respectively.3rd port 3 of display chip U3 connects the positive pole of the first light-emitting diode D1 and the second light-emitting diode D2, the control end connection handling module 140 of the 3rd switching tube Q1, the port PA5 of process chip U1 in concrete connection layout 7.The input of the 3rd switching tube Q1 connects the output head grounding of the negative pole of the first light-emitting diode D1 and the 6th port the 6, three switching tube Q1 of display chip U3.The 7th port 7 connection handling module 140 of display chip U3, the port PB1 of process chip U1 in concrete connection layout 7.8th port 8 of display chip U3 connects the input of the 4th switching tube Q2, the control end connection handling module 140 of the 4th switching tube Q2, the port PA6 of process chip U1 in concrete connection layout 7, the output head grounding of the 4th switching tube Q2.The input of the 5th switching tube Q3 connects the 9th port 9 of display chip U3 and the negative pole of the second light-emitting diode D2, the control end connection handling module 140 of the 5th switching tube Q3, the port PA7 of process chip U1 in concrete connection layout 7.The output head grounding of the 5th switching tube Q3.Tenth port one 0 of display chip U3 and the tenth Single port 11 connection handling module 140, concrete port PB5 and the port PB0 distinguishing process chip in connection layout 7.
In the present embodiment, display chip U3 adopts YF4265 chip, and the 3rd switching tube Q1, the 4th switching tube Q2 and the 5th switching tube Q3 all adopt NPN type triode.Process chip U1, by controlling the conducting of the 3rd switching tube Q1, the 4th switching tube Q2 and the 5th switching tube Q3 or turning off and control display chip U3 and work, concurrently send voltage data and/or current data to be sent to display chip U3 to show.Whether the first light-emitting diode D1 and the second light-emitting diode D2 is used for display 150 and normally works, and is convenient to user knows in time when display chip U3 is abnormal.
In addition, display 150 also can comprise resistance R26, resistance R27 and resistance R28.The control end of the 3rd switching tube Q1, the 4th switching tube Q2 and the 5th switching tube Q3, respectively by resistance R26, resistance R27 and resistance R28 connection handling chip U1, utilizes resistance R26, resistance R27 and resistance R28 to carry out current limliting, avoids the excessive damage switching tube of electric current.
Above-mentioned supply socket supervising device, the power supply that the input port of supply socket accesses by voltage transformation module 110 carries out voltage transitions and obtains direct current, and is exported by the output port of supply socket, powers to power consumption equipment.The power supply of the input port access of voltage acquisition module 120 pairs of supply sockets carries out voltage sample, obtain sampled voltage and be delivered to processing module 140, the direct current that current sample module 130 pairs of voltage transformation modules export carries out current sample, obtains sample rate current and exports processing module 140 to.Processing module 140 pairs of sampled voltages and sample rate current carry out analog-to-digital conversion and obtain voltage data and current data, and voltage data and/or current data are sent to display 150 show.By carrying out sampling monitoring to the input voltage of supply socket and output current, so that user can real-time awareness, when input voltage or output current too high time can disconnect power consumption equipment in time, avoid causing damage, compared with traditional supply socket, improve safety in utilization.
Present invention also offers a kind of supply socket, comprise jack body and above-mentioned supply socket supervising device, jack body offers show hole, voltage transformation module, voltage acquisition module, current sample module and processing module are located in jack body, and the input of voltage transformation module connects the input port of supply socket, output connects the output port of described supply socket, and display is arranged at show hole.
Above-mentioned supply socket, by carrying out sampling monitoring to input voltage and output current, so that user can real-time awareness, when input voltage or output current too high time can disconnect power consumption equipment in time, avoid causing damage, compared with traditional supply socket, improve safety in utilization.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively 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 the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a supply socket supervising device, is characterized in that, comprises voltage transformation module, voltage acquisition module, current sample module, processing module and display,
The input of described voltage transformation module connects the input port of supply socket, and the output of described voltage transformation module connects the output port of described supply socket; Described voltage transformation module is used for carrying out voltage transitions to the power supply that the input port of described supply socket accesses, and obtains direct current and exports the output port of described supply socket to;
The input of described voltage acquisition module connects the input port of described supply socket, the output of described voltage acquisition module connects described processing module, described voltage acquisition module is used for carrying out voltage sample to the power supply that the input port of described supply socket accesses, and 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, the output of described current sample module connects described processing module, described current sample module is used for carrying out current sample to the direct current that described voltage transformation module exports, and obtains sample rate current and exports described processing module to;
Described processing module connects described display, obtains voltage data and current data for carrying out analog-to-digital conversion to described sampled voltage and sample rate current, and described voltage data and/or current data are sent to described display show.
2. supply socket supervising device according to claim 1, it is characterized in that, described processing module is carried out after analog-to-digital conversion obtains voltage data and current data to described sampled voltage and sample rate current, whether the output port detecting described supply socket is connected with load, if not, then described voltage data is sent to the display of described display, if so, then sends described current data to described display display.
3. supply socket supervising device according to claim 1, it is characterized in that, the input port access direct voltage of described supply socket, described voltage acquisition module carries out step-down conversion process to described direct voltage, obtains the direct current after step-down and is delivered to the output port of described supply socket; Described voltage transformation module comprises voltage conversion chip, voltage stabilizing chip, the first switching tube, second switch pipe, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the first electric capacity, the second electric capacity and the 3rd electric capacity
Described first switching tube and the series connection of second switch pipe, and common port connects the output port of described supply socket as the output of described voltage transformation module, and be connected with the overvoltage protection end of described voltage conversion chip, and pass through the overcurrent protection end of the first electric capacity and described voltage conversion chip, the input of described first switching tube is as the input of described voltage transformation module, be connected with the input port of described supply socket, the control end of described first switching tube is connected with the high-end field pipe control end of described voltage conversion chip by described first resistance; The control end of described second switch pipe is connected with the low side field pipe control end of described voltage conversion chip by described second resistance, the output head grounding of described second switch pipe; The overcurrent protection end of described voltage conversion chip passes through described 3rd grounding through resistance, earth terminal ground connection; Described second electric capacity one end connects the input of described first switching tube, and 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 connects the power supply normal output of described voltage conversion chip by described 4th resistance, 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 connected with the output of described voltage stabilizing chip by described 5th resistance, and the frequency control terminal of described voltage conversion chip is by described 6th grounding through resistance; Described 7th resistance is with the 8th resistant series and common port is connected the current feedback terminal of described voltage conversion chip, and the other end of described 7th resistance connects the common port of described first switching tube and second switch pipe, the other end ground connection of described 8th resistance; Described 3rd electric capacity and described 7th resistor coupled in parallel.
4. supply socket supervising device according to claim 3, it is characterized in that, described voltage transformation module also comprises the first inductance, the second inductance, the 9th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity and the 11 electric capacity
The input of described voltage stabilizing chip is connected with the input port of the first inductance with described supply socket by described 9th resistance, described 4th electric capacity and the 5th electric capacity one end are all connected the common port of described first inductance and described 9th resistance, the equal ground connection of the other end of described 4th electric capacity and the 5th electric capacity; Described 6th electric capacity one end connects the input of described voltage stabilizing chip, other end ground connection; Described 7th electric capacity is connected the output of described voltage stabilizing chip with the 8th equal one end of electric capacity, other end ground connection; The common port of described first switching tube and second switch pipe is connected by the output port of described second inductance and described supply socket and described 7th resistance; Described 9th electric capacity, the tenth electric capacity are connected by the common port of described second inductance with described first switching tube and second switch pipe with the 11 equal one end of electric capacity, other end ground connection.
5. supply socket supervising device according to claim 1, it is characterized in that, described voltage acquisition module comprises the first divider resistance, the second divider resistance and filter capacitor, described first divider resistance and the second divider resistance series connection and common port as the output of described voltage acquisition module, be connected with described processing module; The other end of described first divider resistance, as the input of described voltage acquisition module, connects the input port of described supply socket, the other end ground connection of described second divider resistance; Described filter capacitor is in parallel with described second divider resistance.
6. supply socket supervising device according to claim 1, it is characterized in that, described current sample module comprises the first transport and placing device, the second transport and placing device, the 3rd transport and placing device, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance and the 14 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, be connected with the output of described voltage transformation module, the in-phase input end of described first transport and placing device is by described tenth grounding through resistance, the output of described first transport and placing device is connected with the inverting input of described first transport and placing device by described 11 resistance, and is connected with the in-phase input end of described second transport and placing device by described 12 resistance; The output of described second transport and placing device is as the output of described current sample module, connect described processing module, described 13 resistance is with the 14 resistant series and common port is connected the inverting input of described second transport and placing device, the other end of described 13 resistance connects the output of described second transport and placing device, the other end ground connection of described 14 resistance; The power end of described 3rd transport and placing device connects the output of described voltage transformation module, the earth terminal ground connection of described 3rd transport and placing device.
7. supply socket supervising device according to claim 6, is characterized in that, described current sample module also comprises the 15 resistance, the 16 resistance, the 17 resistance, the 18 resistance, the 12 electric capacity, the 13 electric capacity and the 14 electric capacity,
The in-phase input end of described first transport and placing device and inverting input are connected the output of described voltage transformation module with the 16 resistance respectively by described 15 resistance; The in-phase input end of described second transport and placing device is connected with the output of described first transport and placing device by described 17 resistance, and by described 12 capacity earth, the output of described second transport and placing device is connected with described processing module by described 18 resistance, and by described 13 capacity earth; The power end of described 3rd transport and placing device is by described 14 capacity earth.
8. supply socket supervising device according to claim 1, is characterized in that, described processing module comprises the process chip connecting described voltage acquisition module, current sample module and display.
9. supply socket supervising device according to claim 1, is characterized in that, described display comprises display chip, the 3rd switching tube, the 4th switching tube, the 5th switching tube, the first light-emitting diode and the second light-emitting diode,
First port of described display chip, the second port, the 3rd port, the 4th port are all connected described processing module with five-port, and the 3rd port of described display chip connects the positive pole of described first light-emitting diode and the second 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, the output head grounding of described 3rd switching tube; 7th port of described display chip connects described processing module, and the 8th port of described display chip connects the input of described 4th switching tube, and the control end of described 4th switching tube connects described processing module, output head grounding; The input of described 5th switching tube connects the 9th port of described display chip and the negative pole of described second light-emitting diode, and the control end of described 5th switching tube connects described processing module, output head grounding; Tenth port of described display chip is connected described processing module with the tenth Single port.
10. a supply socket, it is characterized in that, comprise jack body and the supply socket supervising device described in claim 1 to 9 any one, 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 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597031.XA CN104362468B (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410597031.XA CN104362468B (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
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| CN104362468A true CN104362468A (en) | 2015-02-18 |
| CN104362468B CN104362468B (en) | 2016-08-24 |
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| CN106136643A (en) * | 2016-07-01 | 2016-11-23 | 芜湖宝瓶智能化服务外包有限公司 | A kind of desk tops multifunctional low-voltage electric power system |
| CN108873721A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Wireless intelligent house control system |
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Also Published As
| Publication number | Publication date |
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| CN104362468B (en) | 2016-08-24 |
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