CN110932757A - Connector for coordinating electric energy and communication transmission - Google Patents
Connector for coordinating electric energy and communication transmission Download PDFInfo
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- CN110932757A CN110932757A CN201911189063.5A CN201911189063A CN110932757A CN 110932757 A CN110932757 A CN 110932757A CN 201911189063 A CN201911189063 A CN 201911189063A CN 110932757 A CN110932757 A CN 110932757A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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Abstract
The invention relates to a connector for coordinating electric energy and communication transmission, which comprises a control unit, an input interface, a PWM (pulse width modulation) logic unit, an electric energy transmission unit, a coordination enabling circuit and a communication circuit, wherein the control unit is used for controlling the input interface and the input interface; the control unit is connected with the PWM logic unit, the coordination enabling circuit receives the control signal of the control unit, enables the communication circuit to perform the operation so as to coordinate the electric energy transmission and the communication transmission to perform time sharing, and enables the communication circuit to perform communication when the temperature is too high or the time threshold value which is not reached when the charging starting timing is received. The invention can control the time-sharing control of the electric energy transmission and the communication transmission of the connector according to the temperature and the charging signal, adjust the electric energy transmission according to the communication transmission, and start the communication transmission according to the working state of the connector.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a connector for coordinating electric energy and communication transmission.
Background
In the prior art, technical schemes for transmitting electric energy to a battery or a load through a connector or a connecting line are very numerous, when the electric energy is transmitted, data communication is generally carried out, so that double channels are needed to be used, a carrier mode is certainly used for communication, then, in the connector, a stable charging process is carried out, real-time communication is not needed, the communication circuit connection state is maintained in real time, the communication is completely unnecessary, and the abnormal or fluctuating state of the electric energy transmission needs to be known generally when unstable electric energy transmission occurs or other special conditions occur. In view of this, how to perform orderly control of power and communication modes in the connector to ensure stability and safety of power transmission is a difficult point to be solved in the future.
Content of application
The application provides a connector for coordinating electric energy and communication transmission, which comprises a control unit, an input interface, a PWM (pulse width modulation) logic unit, an electric energy transmission unit, a coordination enabling circuit and a communication circuit, wherein the control unit is used for controlling the input interface to be connected with the input interface; the control unit is connected with the PWM logic unit, the coordination enabling circuit receives the control signal of the control unit, enables the communication circuit to perform the operation so as to coordinate the electric energy transmission and the communication transmission to perform time sharing, and enables the communication circuit to perform communication when the temperature is too high or the time threshold value which is not reached when the charging starting timing is received.
The connector for coordinating electric energy and communication transmission comprises a power transmission unit, a power transmission unit and a control unit, wherein the power transmission unit comprises a switching tube Q1, a sampling resistor R1, a switching tube Q2, a switching tube Q3, a buffer U1, a comparator U2, a comparator U3, an inductor L1, a sampling resistor R2, a resistor R3, an adjustable resistor R4, a pull-up voltage and a first transformation converter; the sampling resistor R2 is connected with an output interface; the control unit receives sampling resistance R1 sampling signal, receives sampling resistance R2's feedback signal, output control signal give PWM logic unit, PWM logic unit exports two way PWM signals respectively and gives switch tube Q2 and switch tube Q3 and carries out on-off control, the link at switch tube Q2 and Q3 is connected to inductance L1's one end, and resistance R3 is connected to the other end, output interface is connected to resistance R3's the other end.
The connector for coordinating power and communication transmission comprises a timing circuit, a temperature detection circuit, a controllable switch Q7, an inverter U23, an inverter U24, an OR gate U21 and an OR gate U22; the timing circuit receives an external charging start signal, starts timing, compares the timing with a time threshold value, and when the timing is greater than the time threshold value, a first enable signal is outputted and transmitted to the switching tube Q6 through the controllable switch Q7 to start power transmission, the temperature detection circuit controls the controllable terminal of the controllable switch Q7, when the temperature is too high, the controllable switch Q7 is controlled to be switched off, the power transmission signal transmitted by the timing circuit is terminated, the temperature sensing circuit transmits a second enable signal to a second input of the or gate U21, the first enable signal is transmitted through an inverter U23 to a first input of the or gate U21, that is, when the timer circuit does not count the time to reach the time threshold or the temperature detection circuit exceeds the temperature threshold, the or gate U21 outputs the third enable signal that enables the communication circuit.
The connector of coordinated electric energy and communication transmission, the control unit can control the output voltage value of electric energy transmission unit, specifically include: the control unit receives a sampling signal of the sampling resistor R1, compares the sampling signal with an input reference signal and outputs a first detection signal, receives a feedback signal of the sampling resistor R2, compares the feedback signal with a feedback reference signal and inputs a second detection signal, connects the first detection signal with the second detection signal through an OR circuit and outputs the first detection signal and the second detection signal to an error comparison amplifier, compares and judges the first detection signal and the second detection signal through the error comparison amplifier and outputs an adjusting signal to the PWM logic unit for PWM adjustment, and the control unit outputs a control signal to control electric energy transmission and communication transmission to be carried out in a time-sharing mode.
The connector for coordinating electric energy and communication transmission is characterized in that the sampling signal is a current sampling signal, the current sampling signal is compared with a current reference signal 250mA and then output to a first input end of an OR gate U6, the input interface is compared with a standard voltage signal 2.5V and then output to a second input end of the OR gate U6, the OR gate U6 is output to a controllable end of a mode selection switch Q4, one end of a non-controllable end of the mode selection switch Q4 is grounded, the other end of the non-controllable end of the mode selection switch Q4 is connected with a second input end of the OR gate U22, and when the input voltage exceeds a preset voltage threshold value or the input current is greater than a preset current, the second input end of the OR gate U22 is connected to a pull-up resistor through an inverter U24 so that the second input end of the OR gate U22 is connected with the pull-up voltage through the pull-; the third enable signal of the coordination enable circuit is output to a first input terminal of an or gate U22, such that when the current or voltage exceeds a threshold, a fourth enable signal is output to an or gate U22, and a fifth enable signal is output by the third enable signal or the fourth enable signal, and the communication circuit is controlled to be enabled by the fifth enable signal.
In the connector for coordinating electric energy and communication transmission, the first output end of the PWM logic unit is connected to the buffer U1, the output end of the buffer U1 is connected to the positive input end of the comparator U2, the negative output end of the comparator U2 is connected to the connection end between the resistor R3 and the adjustable resistor R4, and the output end of the comparator U2 is connected to the controllable end of the controllable switch Q2; the second output end of the PWM logic unit is connected with the positive input end of a comparator U3, the negative input end of a comparator U3 is grounded, and the output end of a comparator U3 is connected with the controllable end of a controllable switch Q3; the positive pole end of the comparator U3 is connected with one non-controllable end of the controllable switch Q2, and the negative pole of the comparator U2 is connected with the other non-controllable end of the controllable switch Q2 through the capacitor C1; the negative pole of the comparator U3 is grounded; the positive terminal of the comparator U2 is connected with a first voltage converter, and the first voltage converter is connected with the pull-up voltage.
The connector for coordinating power and communication transmission comprises: a comparator U4, a comparator U5, an OR gate U6, a comparator U7, a comparator U8, a comparator U9, a comparator U10, a comparator U11, a comparator U2, diodes D2-D3, controllable switches Q4, Q5 and Q6; the positive input end of the comparator U4 is connected with an input interface, the negative input end of the comparator U4 is connected with standard comparison voltage, and the output end of the comparator U4 is connected with the controllable end of the controllable switch Q4; the positive input end of the comparator U4 is further connected with the positive input end of the comparator U12, the negative input end of the comparator U12 is connected with 0.7V voltage, the output end of the comparator U12 is connected with the first input end of the OR gate U6, the output end of the OR gate is connected with the controllable end of the controllable switch Q4, the second input end of the OR gate U6 is connected with the output end of the comparator U5, the positive input end of the comparator U5 is connected with the output end of the comparator U7, and the negative input end of the comparator U12 is connected with a 250mA current source; the positive input end and the negative input end of the comparator U7 are respectively connected with two ends of a sampling resistor R1, the output end of the comparator U7 is also connected with the positive input end of the comparator U8, the negative input end of the comparator U8 is connected with an input reference signal, and the output end of the comparator U8 is connected with the anode of a diode D2; the positive input end and the negative input end of the comparator U9 are respectively connected with two input ends of a sampling resistor R2, the positive input end and the negative input end are both connected with a 3.5mA current source, the 3.5mA current source is grounded through the controllable switch Q6, and the controllable end of the controllable switch Q6 is controlled through a charging start signal; the output end of the comparator U9 is connected with the positive input end of the comparator U10, the negative input end of the comparator U10 is connected with a feedback reference signal, the output end is connected with the anode of the diode D3, the cathode of the diode D3 is connected with the cathode of the diode D2, and both are connected with a 20uA current source and one end of a resistor R5 and R6, the other end of the resistor R5 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with the other end of a resistor R6, then connecting one end of a resistor R7 and one end of a capacitor C3, connecting the other end of the resistor R7 with one end of a capacitor C4, connecting the other end of the capacitor C4 with the other end of a capacitor C3, connecting one end of a resistor R7 with the negative input end of the comparator U11, connecting the other end of the capacitor C3 with the output end of the comparator U11, the positive input end of the comparator is connected with a 20uA current source, and the output end of the comparator U11 is also connected with the PWM logic circuit.
In the connector for coordinating power and communication transmission, the pull-up voltage is connected with one non-controllable end of a controllable switch Q5 through the pull-up resistor, the other non-controllable end of the controllable switch Q5 is connected with one non-controllable end of the controllable switch Q4, and the other non-controllable end of the controllable switch Q4 is grounded; the controllable end of the controllable switch Q5 receives a comparison signal of the output end of the comparator U12, controls the pull-up voltage to enable, and is conducted after the controllable switch Q5 receives the enable signal, so that the pull-up voltage is connected to a non-controllable end of the controllable switch Q4 through the pull-up resistor; the comparator U5 compares the input current signal and the comparator U4 compares the input voltage signal and outputs a control signal to the controllable switch Q4 through the OR gate U6.
In the connector for coordinating electric energy and communication transmission, the controllable switches Q1-Q7 include triodes and MOS transistors, and the controllable end is the base of the triode or the gate of the MOS transistor.
The communication circuit comprises a bus and wireless communication, receives the charging state of a battery at the output end of the electric energy transmission through the bus, the charging state comprises battery loss and the current electric quantity of the battery, and adjusts the charging current and voltage according to the battery loss and the current electric quantity of the battery, and the adjustment can be controlled by adjusting the adjustable resistor R4; through wireless communication carries out charging information setting with terminal or setting module, charging information includes charging current, charging voltage and the tolerable temperature of battery, connector.
In order to solve the technical problems: the invention can control the time-sharing control of the electric energy transmission and the communication transmission of the connector according to the temperature and the charging signal, adjust the electric energy transmission according to the communication transmission, and start the communication transmission according to the working state of the connector. . The main improvement point of the invention is that a plurality of comparison circuits are arranged in the control unit to carry out accurate sampling judgment, and can control the stability of signal transmission according to sampling signals and control the access of pull-up voltage according to the comparison input of current and voltage; the other main improvement point of the invention is that a coordination enabling circuit is arranged, the coordination enabling circuit is provided with a timer and temperature detection, the enabling of the communication circuit is controlled according to the time setting of the timer and the temperature range of the temperature detection, the time-sharing of communication and power transmission is carried out according to the time value and the temperature state, when a charging starting signal is received, communication is firstly carried out, timing is carried out through the timing circuit, the power transmission is controlled to be carried out when the time threshold is exceeded, the power transmission signal output by the timing circuit is interrupted after the temperature is over high, the communication circuit is controlled to carry out communication, meanwhile, the communication can be carried out according to the comparison of the internal current and voltage, the starting stage of the power transmission and the overvoltage, overcurrent or overtemperature stage do not carry out the power transmission, carry out the communication, and carry out the feedback of the power transmission through the communication, and carrying out power transmission in other time periods.
Drawings
Fig. 1 is a schematic view of a connector according to the present invention.
FIG. 2 is a diagram of a control unit and a coordination enable circuit according to the present invention.
FIG. 3 is a schematic diagram of the coordinated enablement flow of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Fig. 1 is a schematic view of the connector of the present invention. The application provides a connector for coordinating electric energy and communication transmission, which comprises a control unit, an input interface, a PWM (pulse width modulation) logic unit, an electric energy transmission unit, a coordination enabling circuit and a communication circuit, wherein the control unit is used for controlling the input interface to be connected with the input interface; the control unit is connected with the PWM logic unit, the coordination enabling circuit receives the control signal of the control unit, enables the communication circuit to perform the operation so as to coordinate the electric energy transmission and the communication transmission to perform time sharing, and enables the communication circuit to perform communication when the temperature is too high or the time threshold value which is not reached when the charging starting timing is received.
The connector for coordinating electric energy and communication transmission comprises a power transmission unit, a power transmission unit and a control unit, wherein the power transmission unit comprises a switching tube Q1, a sampling resistor R1, a switching tube Q2, a switching tube Q3, a buffer U1, a comparator U2, a comparator U3, an inductor L1, a sampling resistor R2, a resistor R3, an adjustable resistor R4, a pull-up voltage and a first transformation converter; the sampling resistor R2 is connected with an output interface; the control unit receives sampling resistance R1 sampling signal, receives sampling resistance R2's feedback signal, output control signal give PWM logic unit, PWM logic unit exports two way PWM signals respectively and gives switch tube Q2 and switch tube Q3 and carries out on-off control, the link at switch tube Q2 and Q3 is connected to inductance L1's one end, and resistance R3 is connected to the other end, output interface is connected to resistance R3's the other end.
Preferably, the adjustable resistor R4 is capable of performing voltage adjustment of the power supply terminal of the comparator U3 to adjust the bias of the output signal of the comparator U3, thereby controlling the delivery of electrical energy.
Fig. 2 is a schematic diagram of the control unit and the coordination enabling circuit according to the present invention. The connector for coordinating power and communication transmission comprises a timing circuit, a temperature detection circuit, a controllable switch Q7, an inverter U23, an inverter U24, an OR gate U21 and an OR gate U22; the timing circuit receives an external charging start signal, starts timing, compares the timing with a time threshold value, and when the timing is greater than the time threshold value, a first enable signal is outputted and transmitted to the switching tube Q6 through the controllable switch Q7 to start power transmission, the temperature detection circuit controls the controllable terminal of the controllable switch Q7, when the temperature is too high, the controllable switch Q7 is controlled to be switched off, the power transmission signal transmitted by the timing circuit is terminated, the temperature sensing circuit transmits a second enable signal to a second input of the or gate U21, the first enable signal is transmitted through an inverter U23 to a first input of the or gate U21, that is, when the timer circuit does not count the time to reach the time threshold or the temperature detection circuit exceeds the temperature threshold, the or gate U21 outputs the third enable signal that enables the communication circuit.
The connector of coordinated electric energy and communication transmission, the control unit can control the output voltage value of electric energy transmission unit, specifically include: the control unit receives a sampling signal of the sampling resistor R1, compares the sampling signal with an input reference signal and outputs a first detection signal, receives a feedback signal of the sampling resistor R2, compares the feedback signal with a feedback reference signal and inputs a second detection signal, connects the first detection signal with the second detection signal through an OR circuit and outputs the first detection signal and the second detection signal to an error comparison amplifier, compares and judges the first detection signal and the second detection signal through the error comparison amplifier and outputs an adjusting signal to the PWM logic unit for PWM adjustment, and the control unit outputs a control signal to control electric energy transmission and communication transmission to be carried out in a time-sharing mode.
The connector for coordinating electric energy and communication transmission is characterized in that the sampling signal is a current sampling signal, the current sampling signal is compared with a current reference signal 250mA and then output to a first input end of an OR gate U6, the input interface is compared with a standard voltage signal 2.5V and then output to a second input end of the OR gate U6, the OR gate U6 is output to a controllable end of a mode selection switch Q4, one end of a non-controllable end of the mode selection switch Q4 is grounded, the other end of the non-controllable end of the mode selection switch Q4 is connected with a second input end of the OR gate U22, and when the input voltage exceeds a preset voltage threshold value or the input current is greater than a preset current, the second input end of the OR gate U22 is connected to a pull-up resistor through an inverter U24 so that the second input end of the OR gate U22 is connected with the pull-up voltage through the pull-; the third enable signal of the coordination enable circuit is output to a first input terminal of an or gate U22, such that when the current or voltage exceeds a threshold, a fourth enable signal is output to an or gate U22, and a fifth enable signal is output by the third enable signal or the fourth enable signal, and the communication circuit is controlled to be enabled by the fifth enable signal.
In the connector for coordinating electric energy and communication transmission, the first output end of the PWM logic unit is connected to the buffer U1, the output end of the buffer U1 is connected to the positive input end of the comparator U2, the negative output end of the comparator U2 is connected to the connection end between the resistor R3 and the adjustable resistor R4, and the output end of the comparator U2 is connected to the controllable end of the controllable switch Q2; the second output end of the PWM logic unit is connected with the positive input end of a comparator U3, the negative input end of a comparator U3 is grounded, and the output end of a comparator U3 is connected with the controllable end of a controllable switch Q3; the positive pole end of the comparator U3 is connected with one non-controllable end of the controllable switch Q2, and the negative pole of the comparator U2 is connected with the other non-controllable end of the controllable switch Q2 through the capacitor C1; the negative pole of the comparator U3 is grounded; the positive terminal of the comparator U2 is connected with a first voltage converter, and the first voltage converter is connected with the pull-up voltage.
The connector for coordinating power and communication transmission comprises: a comparator U4, a comparator U5, an OR gate U6, a comparator U7, a comparator U8, a comparator U9, a comparator U10, a comparator U11, a comparator U2, diodes D2-D3, controllable switches Q4, Q5 and Q6; the positive input end of the comparator U4 is connected with an input interface, the negative input end of the comparator U4 is connected with standard comparison voltage, and the output end of the comparator U4 is connected with the controllable end of the controllable switch Q4; the positive input end of the comparator U4 is further connected with the positive input end of the comparator U12, the negative input end of the comparator U12 is connected with 0.7V voltage, the output end of the comparator U12 is connected with the first input end of the OR gate U6, the output end of the OR gate is connected with the controllable end of the controllable switch Q4, the second input end of the OR gate U6 is connected with the output end of the comparator U5, the positive input end of the comparator U5 is connected with the output end of the comparator U7, and the negative input end of the comparator U12 is connected with a 250mA current source; the positive input end and the negative input end of the comparator U7 are respectively connected with two ends of a sampling resistor R1, the output end of the comparator U7 is also connected with the positive input end of the comparator U8, the negative input end of the comparator U8 is connected with an input reference signal, and the output end of the comparator U8 is connected with the anode of a diode D2; the positive input end and the negative input end of the comparator U9 are respectively connected with two input ends of a sampling resistor R2, the positive input end and the negative input end are both connected with a 3.5mA current source, the 3.5mA current source is grounded through the controllable switch Q6, and the controllable end of the controllable switch Q6 is controlled through a charging start signal; the output end of the comparator U9 is connected with the positive input end of the comparator U10, the negative input end of the comparator U10 is connected with a feedback reference signal, the output end is connected with the anode of the diode D3, the cathode of the diode D3 is connected with the cathode of the diode D2, and both are connected with a 20uA current source and one end of a resistor R5 and R6, the other end of the resistor R5 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with the other end of a resistor R6, then connecting one end of a resistor R7 and one end of a capacitor C3, connecting the other end of the resistor R7 with one end of a capacitor C4, connecting the other end of the capacitor C4 with the other end of a capacitor C3, connecting one end of a resistor R7 with the negative input end of the comparator U11, connecting the other end of the capacitor C3 with the output end of the comparator U11, the positive input end of the comparator is connected with a 20uA current source, and the output end of the comparator U11 is also connected with the PWM logic circuit.
In the connector for coordinating power and communication transmission, the pull-up voltage is connected with one non-controllable end of a controllable switch Q5 through the pull-up resistor, the other non-controllable end of the controllable switch Q5 is connected with one non-controllable end of the controllable switch Q4, and the other non-controllable end of the controllable switch Q4 is grounded; the controllable end of the controllable switch Q5 receives a comparison signal of the output end of the comparator U12, controls the pull-up voltage to enable, and is conducted after the controllable switch Q5 receives the enable signal, so that the pull-up voltage is connected to a non-controllable end of the controllable switch Q4 through the pull-up resistor; the comparator U5 compares the input current signal and the comparator U4 compares the input voltage signal and outputs a control signal to the controllable switch Q4 through the OR gate U6.
In the connector for coordinating electric energy and communication transmission, the controllable switches Q1-Q7 include triodes and MOS transistors, and the controllable end is the base of the triode or the gate of the MOS transistor.
The communication circuit comprises a bus and wireless communication, receives the charging state of a battery at the output end of the electric energy transmission through the bus, the charging state comprises battery loss and the current electric quantity of the battery, and adjusts the charging current and voltage according to the battery loss and the current electric quantity of the battery, and the adjustment can be controlled by adjusting the adjustable resistor R4; through wireless communication carries out charging information setting with terminal or setting module, charging information includes charging current, charging voltage and the tolerable temperature of battery, connector.
FIG. 3 is a schematic diagram of the coordinated enabling flow of the present invention. The method comprises the steps of connecting a connector, initializing, receiving an electric energy transmission starting signal, timing by a timer, judging whether the timing time is greater than a time threshold value, starting an electric energy transmission switch if the timing time is greater than the time threshold value, and enabling a communication circuit to communicate if the timing time is not greater than the time threshold value; detecting the temperature of the connector and the connecting cable in real time, judging whether the temperature is greater than a temperature threshold value, if so, enabling the communication circuit to carry out communication, sending an interrupt signal to the electric energy transmission switch, closing the electric energy transmission switch, stopping electric energy transmission, and if not, continuously and circularly detecting the temperature; when overvoltage and overcurrent are detected, the operation of enabling the communication circuit is also performed.
In order to solve the technical problems: the invention can control the time-sharing control of the electric energy transmission and the communication transmission of the connector according to the temperature and the charging signal, adjust the electric energy transmission according to the communication transmission, and start the communication transmission according to the working state of the connector. . The main improvement point of the invention is that a plurality of comparison circuits are arranged in the control unit to carry out accurate sampling judgment, and can control the stability of signal transmission according to sampling signals and control the access of pull-up voltage according to the comparison input of current and voltage; the other main improvement point of the invention is that a coordination enabling circuit is arranged, the coordination enabling circuit is provided with a timer and temperature detection, the enabling of the communication circuit is controlled according to the time setting of the timer and the temperature range of the temperature detection, the time-sharing of communication and power transmission is carried out according to the time value and the temperature state, when a charging starting signal is received, communication is firstly carried out, timing is carried out through the timing circuit, the power transmission is controlled to be carried out when the time threshold is exceeded, the power transmission signal output by the timing circuit is interrupted after the temperature is over high, the communication circuit is controlled to carry out communication, meanwhile, the communication can be carried out according to the comparison of the internal current and voltage, the starting stage of the power transmission and the overvoltage, overcurrent or overtemperature stage do not carry out the power transmission, carry out the communication, and carry out the feedback of the power transmission through the communication, and carrying out power transmission in other time periods.
Claims (10)
1. A connector for coordinating electric energy and communication transmission is characterized by comprising a control unit, an input interface, a PWM logic unit, an electric energy transmission unit, a coordination enabling circuit and a communication circuit; the control unit is connected with the PWM logic unit, the coordination enabling circuit receives the control signal of the control unit, enables the communication circuit to perform the operation so as to coordinate the electric energy transmission and the communication transmission to perform time sharing, and enables the communication circuit to perform communication when the temperature is too high or the time threshold value which is not reached when the charging starting timing is received.
2. The connector for coordinating power and communication transmission according to claim 1, wherein the power transmission unit comprises a switch tube Q1, a sampling resistor R1, a switch tube Q2, a switch tube Q3, a buffer U1, a comparator U2, a comparator U3, an inductor L1, a sampling resistor R2, a resistor R3, an adjustable resistor R4, a pull-up voltage, a first transformer converter; the sampling resistor R2 is connected with an output interface; the control unit receives sampling resistance R1 sampling signal, receives sampling resistance R2's feedback signal, output control signal give PWM logic unit, PWM logic unit exports two way PWM signals respectively and gives switch tube Q2 and switch tube Q3 and carries out on-off control, the link at switch tube Q2 and Q3 is connected to inductance L1's one end, and resistance R3 is connected to the other end, output interface is connected to resistance R3's the other end.
3. The connector for coordinating transmission of power and communications of claim 2, wherein the coordination enabling circuit comprises a timing circuit, a temperature sensing circuit, a controllable switch Q7, an inverter U23, an inverter U24, an or gate U21, or gate U22; the timing circuit receives an external charging start signal, starts timing, compares the timing with a time threshold value, and when the timing is greater than the time threshold value, a first enable signal is outputted and transmitted to the switching tube Q6 through the controllable switch Q7 to start power transmission, the temperature detection circuit controls the controllable terminal of the controllable switch Q7, when the temperature is too high, the controllable switch Q7 is controlled to be switched off, the power transmission signal transmitted by the timing circuit is terminated, the temperature sensing circuit transmits a second enable signal to a second input of the or gate U21, the first enable signal is transmitted through an inverter U23 to a first input of the or gate U21, that is, when the timer circuit does not count the time to reach the time threshold or the temperature detection circuit exceeds the temperature threshold, the or gate U21 outputs the third enable signal that enables the communication circuit.
4. The connector for coordinating transmission of electric energy and communication according to claim 3, wherein the control unit is capable of controlling the output voltage value of the electric energy transmission unit, and specifically comprises: the control unit receives a sampling signal of the sampling resistor R1, compares the sampling signal with an input reference signal and outputs a first detection signal, receives a feedback signal of the sampling resistor R2, compares the feedback signal with a feedback reference signal and inputs a second detection signal, connects the first detection signal with the second detection signal through an OR circuit and outputs the first detection signal and the second detection signal to an error comparison amplifier, compares and judges the first detection signal and the second detection signal through the error comparison amplifier and outputs an adjusting signal to the PWM logic unit for PWM adjustment, and the control unit outputs a control signal to control electric energy transmission and communication transmission to be carried out in a time-sharing mode.
5. The connector for coordinating power and communication transmission according to claim 4, wherein the sampled signal is a current sampled signal, the current sampled signal is compared with a current reference signal 250mA and then output to a first input terminal of an or gate U6, the input interface is compared with a standard voltage signal 2.5V and then output to a second input terminal of the or gate U6, the or gate U6 is output to a controllable terminal of a mode selection switch Q4, a non-controllable terminal of the mode selection switch Q4 is connected to ground at one end, the other end is connected to a second input terminal of an or gate U22, and when the input voltage exceeds a voltage preset voltage threshold or the input current is greater than a preset current, the second input terminal of the or gate U22 is connected to a pull-up resistor through an inverter U24, so that the second input terminal of the or gate U22 is connected to a pull-up voltage through the pull-up resistor; the third enable signal of the coordination enable circuit is output to a first input terminal of an or gate U22, such that when the current or voltage exceeds a threshold, a fourth enable signal is output to an or gate U22, and a fifth enable signal is output by the third enable signal or the fourth enable signal, and the communication circuit is controlled to be enabled by the fifth enable signal.
6. The connector for coordinating transmission of electric energy and communication according to claim 5, wherein the first output terminal of the PWM logic unit is connected to the buffer U1, the output terminal of the buffer U1 is connected to the positive input terminal of the comparator U2, the negative output terminal of the comparator U2 is connected to the connection terminal between the resistor R3 and the adjustable resistor R4, and the output terminal of the comparator U2 is connected to the controllable terminal of the controllable switch Q2; the second output end of the PWM logic unit is connected with the positive input end of a comparator U3, the negative input end of a comparator U3 is grounded, and the output end of a comparator U3 is connected with the controllable end of a controllable switch Q3; the positive pole end of the comparator U3 is connected with one non-controllable end of the controllable switch Q2, and the negative pole of the comparator U2 is connected with the other non-controllable end of the controllable switch Q2 through the capacitor C1; the negative pole of the comparator U3 is grounded; the positive terminal of the comparator U2 is connected with a first voltage converter, and the first voltage converter is connected with the pull-up voltage.
7. The connector for coordinating transmission of electrical power and communications according to claim 6, wherein the control unit comprises: a comparator U4, a comparator U5, an OR gate U6, a comparator U7, a comparator U8, a comparator U9, a comparator U10, a comparator U11, a comparator U2, diodes D2-D3, controllable switches Q4, Q5 and Q6; the positive input end of the comparator U4 is connected with an input interface, the negative input end of the comparator U4 is connected with standard comparison voltage, and the output end of the comparator U4 is connected with the controllable end of the controllable switch Q4; the positive input end of the comparator U4 is further connected with the positive input end of the comparator U12, the negative input end of the comparator U12 is connected with 0.7V voltage, the output end of the comparator U12 is connected with the first input end of the OR gate U6, the output end of the OR gate is connected with the controllable end of the controllable switch Q4, the second input end of the OR gate U6 is connected with the output end of the comparator U5, the positive input end of the comparator U5 is connected with the output end of the comparator U7, and the negative input end of the comparator U12 is connected with a 250mA current source; the positive input end and the negative input end of the comparator U7 are respectively connected with two ends of a sampling resistor R1, the output end of the comparator U7 is also connected with the positive input end of the comparator U8, the negative input end of the comparator U8 is connected with an input reference signal, and the output end of the comparator U8 is connected with the anode of a diode D2; the positive input end and the negative input end of the comparator U9 are respectively connected with two input ends of a sampling resistor R2, the positive input end and the negative input end are both connected with a 3.5mA current source, the 3.5mA current source is grounded through the controllable switch Q6, and the controllable end of the controllable switch Q6 is controlled through a charging start signal; the output end of the comparator U9 is connected with the positive input end of the comparator U10, the negative input end of the comparator U10 is connected with a feedback reference signal, the output end is connected with the anode of the diode D3, the cathode of the diode D3 is connected with the cathode of the diode D2, and both are connected with a 20uA current source and one end of a resistor R5 and R6, the other end of the resistor R5 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with the other end of a resistor R6, then connecting one end of a resistor R7 and one end of a capacitor C3, connecting the other end of the resistor R7 with one end of a capacitor C4, connecting the other end of the capacitor C4 with the other end of a capacitor C3, connecting one end of a resistor R7 with the negative input end of the comparator U11, connecting the other end of the capacitor C3 with the output end of the comparator U11, the positive input end of the comparator is connected with a 20uA current source, and the output end of the comparator U11 is also connected with the PWM logic circuit.
8. The connector for coordinating transmission of power and communications according to claim 7, wherein the pull-up voltage is connected to a non-controllable terminal of a controllable switch Q5 through the pull-up resistor, another non-controllable terminal of the controllable switch Q5 is connected to a non-controllable terminal of the controllable switch Q4, and another non-controllable terminal of the controllable switch Q4 is connected to ground; the controllable end of the controllable switch Q5 receives a comparison signal of the output end of the comparator U12, controls the pull-up voltage to enable, and is conducted after the controllable switch Q5 receives the enable signal, so that the pull-up voltage is connected to a non-controllable end of the controllable switch Q4 through the pull-up resistor; the comparator U5 compares the input current signal and the comparator U4 compares the input voltage signal and outputs a control signal to the controllable switch Q4 through the OR gate U6.
9. The connector for coordinating transmission of power and communication of claim 8, wherein the controllable switches Q1-Q7 comprise a transistor and a MOS transistor, and the controllable terminal is a base of the transistor or a gate of the MOS transistor.
10. The connector for coordinating transmission of power and communications according to claim 9, wherein the communications circuitry includes a bus and a wireless communication, the bus being adapted to receive a state of charge of a battery at the power transmission output, the state of charge including a battery loss, a present charge of the battery, and adjustments of the charging current and voltage based on the battery loss, the present charge of the battery, the adjustments being controllable by adjusting the adjustable resistor R4; through wireless communication carries out charging information setting with terminal or setting module, charging information includes charging current, charging voltage and the tolerable temperature of battery, connector.
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| CN201911189063.5A CN110932757B (en) | 2019-11-27 | 2019-11-27 | Connector for coordinating electric energy and communication transmission |
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| CN201911189063.5A CN110932757B (en) | 2019-11-27 | 2019-11-27 | Connector for coordinating electric energy and communication transmission |
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| CN110932757B CN110932757B (en) | 2020-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235381A (en) * | 2020-10-06 | 2021-01-15 | 青岛运鸿水利水电工程有限公司 | Hydraulic engineering power supply unit based on thing networking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867879A (en) * | 2003-10-16 | 2006-11-22 | 袍尔得辛有限公司 | LAN (local area network) with integrated energy and information transmission over the same line |
| US20070030715A1 (en) * | 2005-08-03 | 2007-02-08 | Mihai-Costin Manolescu | Power supply that reads power requirement information across a DC power cord from a load |
| CN101983467A (en) * | 2008-03-31 | 2011-03-02 | 松下电器产业株式会社 | Electronic device, charger, and electronic device charging system |
| CN102769312A (en) * | 2011-05-03 | 2012-11-07 | 苹果公司 | Time-domain multiplexing of power and data |
| CN106936477A (en) * | 2017-04-25 | 2017-07-07 | 北京六合伟业科技股份有限公司 | A kind of magnetic coupling connector |
| CN108988417A (en) * | 2014-01-28 | 2018-12-11 | 广东欧珀移动通信有限公司 | Power supply adaptor and terminal |
-
2019
- 2019-11-27 CN CN201911189063.5A patent/CN110932757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1867879A (en) * | 2003-10-16 | 2006-11-22 | 袍尔得辛有限公司 | LAN (local area network) with integrated energy and information transmission over the same line |
| US20070030715A1 (en) * | 2005-08-03 | 2007-02-08 | Mihai-Costin Manolescu | Power supply that reads power requirement information across a DC power cord from a load |
| CN101983467A (en) * | 2008-03-31 | 2011-03-02 | 松下电器产业株式会社 | Electronic device, charger, and electronic device charging system |
| CN102769312A (en) * | 2011-05-03 | 2012-11-07 | 苹果公司 | Time-domain multiplexing of power and data |
| CN108988417A (en) * | 2014-01-28 | 2018-12-11 | 广东欧珀移动通信有限公司 | Power supply adaptor and terminal |
| CN106936477A (en) * | 2017-04-25 | 2017-07-07 | 北京六合伟业科技股份有限公司 | A kind of magnetic coupling connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235381A (en) * | 2020-10-06 | 2021-01-15 | 青岛运鸿水利水电工程有限公司 | Hydraulic engineering power supply unit based on thing networking |
| CN112235381B (en) * | 2020-10-06 | 2021-09-21 | 宋斌 | Hydraulic engineering power supply unit based on thing networking |
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| CN110932757B (en) | 2020-09-11 |
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