CN204257954U - Supply socket supervising device and supply socket - Google Patents
Supply socket supervising device and supply socket Download PDFInfo
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- CN204257954U CN204257954U CN201420638426.5U CN201420638426U CN204257954U CN 204257954 U CN204257954 U CN 204257954U CN 201420638426 U CN201420638426 U CN 201420638426U CN 204257954 U CN204257954 U CN 204257954U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 238000005070 sampling Methods 0.000 claims abstract description 36
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- 239000003990 capacitor Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
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Abstract
A kind of supply socket supervising device and supply socket, voltage collection circuit carries out voltage sample to the power supply that the input port of supply socket accesses, obtain sampled voltage and be delivered to treatment circuit, current sampling circuit carries out current sample to the output port of supply socket, obtains sample rate current and exports treatment circuit to.Treatment circuit carries out analog-to-digital conversion to sampled voltage and sample rate current and obtains 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.
Description
Technical field
The utility model relates to electronic apparatus technical field, particularly relates 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.
Utility model content
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 collection circuit, current sampling circuit, treatment circuit and display,
The input of described voltage collection circuit connects the input port of described supply socket, the output of described voltage collection circuit connects described treatment circuit, the input of described current sampling circuit connects the output port of supply socket, the output of described current sampling circuit connects described treatment circuit, and described treatment circuit connects described display.
A kind of supply socket, comprise jack body and above-mentioned supply socket supervising device, described jack body offers show hole, described voltage collection circuit, current sampling circuit and treatment circuit are located in described jack body, and the input of described voltage collection circuit connects the input port of supply socket, the input of described current sampling circuit connects the output port of supply socket, and described display is arranged at described show hole.
Above-mentioned supply socket supervising device and supply socket, voltage collection circuit carries out voltage sample to the power supply that the input port of supply socket accesses, obtain sampled voltage and be delivered to treatment circuit, current sampling circuit carries out current sample to the output port of supply socket, obtains sample rate current and exports treatment circuit to.Treatment circuit carries out analog-to-digital conversion to sampled voltage and sample rate current and obtains 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 structure chart of supply socket supervising device in another embodiment;
Fig. 3 is the schematic diagram of voltage conversion circuit, voltage collection circuit and current sampling circuit in an embodiment;
Fig. 4 A, Fig. 4 B are the partial schematic diagram of voltage conversion circuit in Fig. 3;
Fig. 5 is the partial schematic diagram of supply socket supervising device in Fig. 3;
Fig. 6 is the schematic diagram of voltage collection circuit in Fig. 3;
Fig. 7 is the schematic diagram of current sampling circuit in Fig. 3;
Fig. 8 is the schematic diagram for the treatment of circuit in an embodiment;
Fig. 9 is the schematic diagram of display in an embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model 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 utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.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 collection circuit 120, current sampling circuit 130, treatment circuit 140 and display 150 is comprised.The input of voltage collection circuit 120 connects the input port of supply socket, the output connection handling circuit 140 of voltage collection circuit 120.The input of current sampling circuit 130 connects the output port of supply socket, and the output connection handling circuit 140 of current sampling circuit 130, treatment circuit 140 connects display 150.
The power supply of the input port access of voltage collection circuit 120 pairs of supply sockets carries out voltage sample, obtain sampled voltage and be delivered to treatment circuit 140, the output port of current sampling circuit 130 pairs of supply sockets carries out current sample, obtains sample rate current and exports treatment circuit 140 to.
It should be noted that, for treatment circuit 140, product ripe on the market at present can be adopted, and utilize the common programs that these matured products carry to realize its data handling procedure, can not need to depend on new program to realize.Such as, treatment circuit 140 can carry out analog-to-digital conversion to sampled voltage and sample rate current and obtain voltage data and current data, and voltage data and/or current data are sent to display 150 show.Architecture advances is carried out on existing product basis, is beneficial to product design.
Wherein in an embodiment, as shown in Figure 2, supply socket supervising device comprises voltage conversion circuit 110.The input of voltage conversion circuit 110 connects the input port of supply socket, and the output of voltage conversion circuit 110 connects the output port of supply socket.Voltage conversion circuit 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.Carry out voltage transitions by the power supply of voltage conversion circuit 110 to access, make supply socket export direct current, for vehicle-mounted cigarette lighter etc. utilizes the equipment of powered by direct current to provide electricity, improve supply socket applicability.
The power supply of the input port access of supply socket can be civil power also can be direct current.The input port access direct voltage of supply socket in the present embodiment, voltage conversion circuit 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. 3, Fig. 4 A and Fig. 4 B, voltage conversion circuit 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 conversion circuit 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 conversion circuit 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 conversion circuit 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. 3 and Fig. 5, 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.
Wherein in an embodiment, as shown in Figure 3 and Figure 6, voltage collection circuit 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 collection circuit 120, be connected with treatment circuit 140.The other end of the first divider resistance R1, as the input of voltage collection circuit 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 treatment circuit 140 after filter capacitor C3 filtering process.Signal accuracy can be improved equally through filter capacitor C3 filtering process.
Wherein in an embodiment, as shown in Figure 3 and Figure 7, current sampling circuit 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 sampling circuit 130, be connected with the output port of supply socket, 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 sampling circuit 130, connection handling circuit 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 power access end, 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 output port of supply socket and amplify process, obtain sample rate current and be delivered to treatment circuit 140.
Further, current sampling circuit 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 port of supply socket 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 treatment circuit 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.
Treatment circuit 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, treatment circuit 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 8, treatment circuit 140 comprises the process chip U1 connecting voltage collection circuit 120, current sampling circuit 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 conversion circuit 110, is connected especially by the common port of the second inductance L 8 in Fig. 3 with Fig. 4 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 collection circuit 120, is specifically connected with the common port of the first divider resistance R1 and the second divider resistance R2 in Fig. 3 and Fig. 6.The port PA4 of process chip U1 connects current sampling circuit 130, is connected, the port GND ground connection of process chip U1 especially by the 18 resistance R23 in Fig. 3 with Fig. 7 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 9, 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 circuit 140 all, port PB4, the port PB3 of process chip U1, port PB7, port PB2 and port PB6 in concrete connection layout 8 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 circuit 140 of the 3rd switching tube Q1, the port PA5 of process chip U1 in concrete connection layout 8.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 circuit 140 of display chip U3, the port PB1 of process chip U1 in concrete connection layout 8.8th port 8 of display chip U3 connects the input of the 4th switching tube Q2, the control end connection handling circuit 140 of the 4th switching tube Q2, the port PA6 of process chip U1 in concrete connection layout 8, 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 circuit 140 of the 5th switching tube Q3, the port PA7 of process chip U1 in concrete connection layout 8.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 circuit 140, concrete port PB5 and the port PB0 distinguishing process chip in connection layout 8.
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, 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.
The utility model additionally provides a kind of supply socket, comprise jack body and above-mentioned supply socket supervising device, jack body offers show hole, voltage collection circuit, current sampling circuit and treatment circuit are located in jack body, and the input of voltage collection circuit connects the input port of supply socket, the input of current sampling circuit connects the output port of 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 utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a supply socket supervising device, is characterized in that, comprises voltage collection circuit, current sampling circuit, treatment circuit and display,
The input of described voltage collection circuit connects the input port of described supply socket, the output of described voltage collection circuit connects described treatment circuit, the input of described current sampling circuit connects the output port of supply socket, the output of described current sampling circuit connects described treatment circuit, and described treatment circuit connects described display.
2. supply socket supervising device according to claim 1, it is characterized in that, also comprise voltage conversion circuit, the input of described voltage conversion circuit connects the input port of supply socket, and the output of described voltage conversion circuit connects the output port of described supply socket.
3. supply socket supervising device according to claim 2, is characterized in that, the input port access direct voltage of described supply socket; Described voltage conversion circuit 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 conversion circuit, 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 conversion circuit, 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 conversion circuit 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 collection circuit 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 collection circuit, be connected with described treatment circuit; The other end of described first divider resistance, as the input of described voltage collection circuit, 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 sampling circuit 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 sampling circuit, be connected with the output port of described supply socket, 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 sampling circuit, connect described treatment circuit, 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 power access end, 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 sampling circuit 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 port of described supply socket 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 treatment circuit 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 treatment circuit comprises the process chip connecting described voltage collection circuit, current sampling circuit 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 treatment circuit 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 treatment circuit, 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 treatment circuit, 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 treatment circuit, 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 treatment circuit, output head grounding; Tenth port of described display chip is connected described treatment circuit 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 collection circuit, current sampling circuit and treatment circuit are located in described jack body, and the input of described voltage collection circuit connects the input port of supply socket, the input of described current sampling circuit connects the output port of supply socket, and described display is arranged at described show hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638426.5U CN204257954U (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 |
|---|---|---|---|
| CN201420638426.5U CN204257954U (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257954U true CN204257954U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420638426.5U Expired - Fee Related CN204257954U (en) | 2014-10-29 | 2014-10-29 | Supply socket supervising device and supply socket |
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| Country | Link |
|---|---|
| CN (1) | CN204257954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817728A (en) * | 2017-11-07 | 2018-03-20 | 深圳市驭登照明有限公司 | A kind of electronic power supply control device |
-
2014
- 2014-10-29 CN CN201420638426.5U patent/CN204257954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817728A (en) * | 2017-11-07 | 2018-03-20 | 深圳市驭登照明有限公司 | A kind of electronic power supply control device |
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