CN207398896U - A kind of charging equipment of tape jam detection - Google Patents
A kind of charging equipment of tape jam detection Download PDFInfo
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- CN207398896U CN207398896U CN201721334313.6U CN201721334313U CN207398896U CN 207398896 U CN207398896 U CN 207398896U CN 201721334313 U CN201721334313 U CN 201721334313U CN 207398896 U CN207398896 U CN 207398896U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model discloses a kind of tape jam detection charging equipment, including：Governor circuit and respectively lightning protection circuit, the signal deteching circuit with governor circuit communication connection, auxiliary control circuit, communicating circuit；Lightning protection circuit is connected in parallel on the end of incoming cables of charging equipment power supply, for preventing broken by lightning charging equipment, and lightning protection signal is sent to governor circuit；Signal deteching circuit is arranged on the power supply of the charging equipment, for detecting power supply signal, and power supply signal is sent to governor circuit, and when an exception occurs, governor circuit sends corresponding control command to auxiliary control circuit and performs corresponding operating；Electric parameter, alarm signal, control command are also sent to monitoring system or administrative staff or user by governor circuit by communicating circuit.The utility model realizes the purpose that specification charging equipment makes it more safe and reliable by the monitoring to various electric fault factors.
Description
Technical field
The utility model is related to charging equipment of electric automobile field, more particularly to a kind of charging equipment of tape jam detection.
Background technology
With the continuous development of electric vehicle industry, the use of charging equipment of electric automobile becomes more and more frequently and wide
It is general.Safety Design is one very important index of charging equipment of electric automobile, not only needs to be installed in view of it various
Under environmental condition, it is also necessary in view of its operation and the crowd that uses, it is ensured that charging personnel, charging equipment, charging process
It is perfectly safe.
Existing charging equipment is usually to start to charge using corresponding port to user after user inserts coins, and reaches setting meter
When the time after the port power-off that uses, user stops using.Common salvo is to add fuse in output terminal, is using peace
Opposite in all directions to lack, when there is situation, the response time is long and needs replacing fuse, relatively cumbersome.And cannot detect and
Handle security risk existing for each output interface.
Based on the problem present on, this application provides the technical solutions for solving technical problem.
The content of the invention
The purpose of this utility model is to provide a kind of charging equipment of tape jam detection, by various electric fault factors
Monitoring, realizing specification charging equipment makes it more safe and reliable.
The technical scheme that the utility model is provided is as follows：
A kind of charging equipment of tape jam detection, including：Governor circuit and respectively with the governor circuit communicate connect
Lightning protection circuit, signal deteching circuit, auxiliary control circuit, communicating circuit；The lightning protection circuit is connected in parallel on described
The end of incoming cables of charging equipment power supply for preventing charging equipment described in broken by lightning, and lightning protection signal is sent to described
Governor circuit；The signal deteching circuit is arranged on the power supply of the charging equipment, for detecting power supply signal, and will
The power supply signal is sent to the governor circuit, and when an exception occurs, the governor circuit sends corresponding control command to institute
It states auxiliary control circuit and performs corresponding operating；The governor circuit also passes through electric parameter, alarm signal, control command described
Communicating circuit is sent to monitoring system or administrative staff or user.
Preferably, the governor circuit includes：Singlechip chip U2；13 data of the P33 control of the singlechip chip U2
End is electrically connected with the lightning protection circuit；5 voltage signal positive input terminals of V3P, 6 voltages of V3N of the singlechip chip U2
Signal negative input end, 9 current signal positive input terminals of V1P, 10 current signal negative input ends of V1N, 1 clock signal terminals of SCL,
SDA2 data signal ends are electrically connected respectively with the signal deteching circuit；37 data of the PB1 control of the singlechip chip U2
End, 38 data control terminals of PB2 are electrically connected respectively with the auxiliary control circuit；45 data of TDO of the singlechip chip U2
Transmitting terminal, 46 data receivers of TMS are electrically connected respectively with the communicating circuit.
Preferably, the lightning protection circuit includes：3 are insured device RF1, RF2, RF3, Surge Protector G1, photoelectricity
Coupler U1；Fuse and varistor are encapsulated one by the insurance device, and wherein first end is fuse end, and second end is
Fuse end and varistor public connecting end, the 3rd end are varistor end；The zero line AC-L of power supply respectively with institute
State the first end of insurance device RF1 and the first end electrical connection of the insurance device RF3；The second end of the insurance device RF1
With the second end of the insurance device RF2 commonly through the anode tap of current-limiting resistance R1 and diode D1 and light emitting diode D2
Cathode terminal is electrically connected；The cathode terminal of the diode D1 is electrically connected with the photoelectrical coupler U1 anode taps；The photoelectric coupling
Device U1 cathode terminals respectively with the anode tap of light emitting diode D2, the second end of the insurance device RF2 and the insurance device RF3
The 3rd end electrical connection；The collector of the photoelectrical coupler and the 13 data control terminals of P33 of the singlechip chip U2 are electrically connected
It connects；First end of the 3rd end of the insurance device RF1 and the insurance device RF2 jointly with Surge Protector G1 is electrically connected,
The second end of the Surge Protector G1 is electrically connected with ground PE；The zero line side AC-N of power supply is with the insurance device RF2's
First end is electrically connected.
Preferably, the signal deteching circuit includes：Voltage detection unit；The voltage detection unit includes two pole of clamper
Pipe D8；Communication power supply is filtered by common mode inductance LMC2；Filtered zero line AC-L passes sequentially through divider resistance
The first signal end after R30, R31, R32 respectively with the first end of divider resistance R34 and clamp diode D8 is electrically connected；The pincers
The first signal end of position diode D8 also passes through the 5 voltage signal positive input terminals of V3P of the resistance R33 and singlechip chip U2
Electrical connection；Filtered zero line side AC-N respectively with the second end of the divider resistance R34, the clamp diode D8 second
The 6 voltage signal negative input ends of V3N of signal end and the singlechip chip U2 are electrically connected.
Preferably, the signal deteching circuit further includes：Current detecting unit；It is mutual that the current detecting unit includes electric current
Sensor CT1；9 electric currents of V1P that the positive terminal CTL1 of the Current Transmit 1 passes through the resistance R14 and singlechip chip U2
Signal positive input terminal is electrically connected；The negative pole end CTL2 of the Current Transmit 1 passes through resistance R24 and the singlechip chip U2
10 current signal negative input ends of V1N electrical connection.
Preferably, the signal deteching circuit includes：AD conversion unit, temperature detecting unit, detection of electrical leakage unit；Institute
Stating AD conversion unit includes modulus conversion chip U6；1 clock signal terminals of SCL of the modulus conversion chip U6 and the list
1 clock signal terminals of the SCL electrical connection of piece movement piece U2；The SDA2 data signal ends of the modulus conversion chip U6 and the list
2 data signal ends of the SDA electrical connection of piece movement piece U2；5 analog input ends of AIN1, the AIN2 6 of the modulus conversion chip U6
Analog input end is electrically connected respectively with the temperature detecting unit；4 analog input ends of AIN0 of the modulus conversion chip U6 with
The detection of electrical leakage unit electrical connection；The temperature detecting unit includes two-way temperature sensing circuit；All the way temperature sensor according to
Secondary 5 analog input ends of AIN1 by common mode inductance LMC1, magnetic bead FB2, the resistance R26 and modulus conversion chip U6 are electrically connected
It connects；Another way temperature sensor is successively by common mode inductance LMC3, magnetic bead FB5, resistance R36 and the modulus conversion chip U6
6 analog input ends of AIN2 are electrically connected.
Preferably, the electric-leakage detection circuit includes：Current transformer ZCT1, operational amplifier U7, reference voltage source U8；
The cathode output end of the current transformer ZCT1 is electrically connected by current-limiting resistance R19 with the first end of resistance R21；The resistance
The first end of R21 is also electrically connected by current-limiting resistance R22 with the first inverting input of operational amplifier U7；The operation amplifier
The first inverting input of device U7 is also electrically connected by current-limiting resistance R15 with the first output terminal of the operational amplifier U7, shape
Into negative feedback network；The first output terminal of the operational amplifier U7 passes through current-limiting resistance R23 and the modulus conversion chip U6
4 analog input ends of AIN0 electrical connection；The cathode output end of current transformer ZCT1 passes through current-limiting resistance R28 and the resistance
The second end electrical connection of R21；The second end of the resistance R21 also passes through the of current-limiting resistance R25 and the operational amplifier U7
One normal phase input end is electrically connected；The first normal phase input end of the operational amplifier U7 also by current-limiting resistance R27 respectively with institute
State the second output terminal electrical connection of the second inverting input and the operational amplifier U7 of operational amplifier U7；The benchmark
The voltage output reference edge of voltage source U8 is electrically connected by divider resistance R35 and the second normal phase input end of the operational amplifier U7
It connects；The electric-leakage detection circuit further includes triode Q3；The base stage of the triode Q3 passes through current-limiting resistance R61 and monolithic movement
36 data control terminals of the PB0 electrical connection of piece U2；The collector of the triode Q3 is through creepage mutual inductor and passes through current-limiting resistance
R60 is electrically connected with the first supply voltage.
Preferably, the auxiliary control circuit includes：Short-circuit protection unit, relay control unit；The short-circuit protection
Unit includes two-way operational amplifier U9, two-way differential comparator U10；The positive terminal CTL1 of the Current Transmit 1 passes through
Current-limiting resistance R39 is electrically connected with the first reverse input end of the two-way operational amplifier U9；The Current Transmit 1 is just
Extreme CTL1 is also electrically connected by current-limiting resistance R56 with the second positive input of the two-way operational amplifier U9；The electricity
The first positive input electricity that current transformer CT1 negative pole ends CTL2 passes through the current-limiting resistance R44 and two-way operational amplifier U9
Connection；The 1 negative pole end CTL2 of Current Transmit also passes through the second of the current-limiting resistance R58 and two-way operational amplifier U9
Reverse input end is electrically connected；The first output terminal of the two-way operational amplifier U9 is transported by current-limiting resistance R40 and the two-way
The first reverse input end electrical connection of amplifier U9 is calculated, forms feedback network；The second output of the two-way operational amplifier U9
End is electrically connected by current-limiting resistance R59 with the second reverse input end of the two-way operational amplifier U9, forms feedback network；Institute
It states the first output terminal of two-way operational amplifier U9 and the public connecting end of second output terminal passes sequentially through current-limiting resistance R49, divides
Piezoresistance R50 is electrically connected with the first normal phase input end of the two-way differential comparator U10；The two-way differential comparator U10
The first reverse input end be electrically connected by current-limiting resistance R42 with the second supply voltage；The of the two-way differential comparator U10
One output terminal is electrically connected with the anode tap of diode D15；The cathode terminal of the diode D15 and the two-way differential comparator
The second positive input electrical connection of U10；The second positive input of the two-way differential comparator U10 also with diode D16
Cathode terminal electrical connection；The anode tap of the diode D16 and the 38 data control terminals of PB2 of the singlechip chip U2 are electrically connected
It connects；The second reverse input end of the two-way differential comparator U10 is electrically connected by current-limiting resistance R41 and second supply voltage
It connects；The second output terminal STCH_OFF of the two-way differential comparator U10 is electrically connected with the relay control unit.
Preferably, the relay control unit includes：Triode Q1 and Q2, relay RY1 and RY2；The triode
The base terminal ON_CT of Q1 is electrically connected with the 37 data control terminals of PB1 of the singlechip chip U2；The current collection of the triode Q1
Extreme STCH_ON is electrically connected respectively with first control terminals of relay RY1 and first control terminals of relay RY2；Institute
Triode Q2 base terminals STCH_OFF is stated to be electrically connected with the short-circuit protection unit；The collector terminal of the triode Q2 respectively with
Second control terminals of relay RY1 and second control terminals of relay RY2 electrical connection.
Preferably, the communicating circuit includes：Level conversion unit, GPGS units；The level conversion unit includes three
Pole pipe Q3, Q4, Q5, Q6；The TDO 45 that the base terminal of the triode Q4 passes through the current-limiting resistance R22 and singlechip chip U2
Data sending terminal is electrically connected；The collector of the triode Q4 is electrically connected with the base stage of the triode Q3；The triode Q3
Collector be electrically connected with the GPGS units；The base terminal of the triode Q6 is mono- by current-limiting resistance R25 and the GPGS
Member electrical connection；The collector of the triode Q6 is electrically connected with the base stage of the triode Q5；The collector of the triode Q5
It is electrically connected with 46 data receivers of TMS of the singlechip chip U2；The GPGS units include GPGS chips U3；It is described
35 data sending terminals of UART1_TXD, 36 data receivers of UART1_RXD of GPRS communication chips U6 turns respectively with the level
Change unit electrical connection.
Compared with prior art, a kind of charging equipment of tape jam detection of the utility model, which includes at least following one kind, has
Beneficial effect：
1st, in the utility model, lightning protection circuit is provided with, it, can be with when power grid is struck by lightning or surge occurs
Protection charging equipment exempts from damage, and by alarm user can be reminded to replace lightning protection component in time.
2nd, in the utility model, be provided with voltage and current detection circuit, can effectively monitor it is over-pressed, under-voltage, overload,
Fault electric arc etc. endangers the factor of charging equipment, can effectively avoid the generation of electrical fire accident, can also take precautions against user and abuse unrest
Connecing causes charging equipment internal wiring to damage.
3rd, in the utility model, electric-leakage detection circuit is provided with, it, can be timely when leakage current is more than human-body safety value
Charge closing equipment protects personal safety to take precautions against the electric shock event occurred during use.
4th, in the utility model, temperature sensing circuit is provided with, the excessively high appearance of long-time charge cable temperature can be taken precautions against
Softening or damage, provide safeguard for electricity consumption.
5th, in the utility model, short-circuit protection unit is provided with, when charging equipment damage or cable damage cause short circuit
And when generating electric spark, power supply can be cut off in time, effectively eliminates the spark generated by short circuit, taken precautions against caused by short circuit
Fire.
6th, in the utility model, communicating circuit is provided with, it can be timely by electric parameter, alarm signal, control command etc.
Monitoring system is uploaded to, manager is facilitated to track and manage charging equipment.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, a kind of tape jam detection is filled
Above-mentioned characteristic, technical characteristic, advantage and its realization method of electric equipment are further described.
Fig. 1 is a kind of structure chart of charging equipment one embodiment of tape jam detection of the utility model；
Fig. 2 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 3 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 4 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 5 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 6 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 7 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 8 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Fig. 9 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Figure 10 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Figure 11 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model；
Figure 12 is a kind of structure chart of another embodiment of the charging equipment of tape jam detection of the utility model.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, only schematically shown in each figure with the relevant part of the utility model, they are not
Represent its practical structures as product.In addition, so that simplified form readily appreciates, there is identical structure or work(in some figures
The component of energy, only symbolically depicts one of those or has only marked one of those.Herein, "one" is not only
It represents " only this ", can also represent the situation of " more than one ".
The utility model provides a kind of one embodiment of the charging equipment of tape jam detection, with reference to figure 1 and Fig. 2 institutes
Show, including：Governor circuit 100 and the lightning protection circuit 200 connected respectively with governor circuit communication, signal detection
Circuit 300, auxiliary control circuit 400, communicating circuit 500；The signal deteching circuit 300 includes voltage detection unit 310, electricity
Flow detection unit 320, AD conversion unit 330, temperature detecting unit 340, detection of electrical leakage unit 350；The auxiliary control electricity
Road 400 includes short-circuit protection unit 410, relay control unit 420；The lightning protection circuit 200 is connected in parallel on the charging
Lightning protection signal for preventing charging equipment described in broken by lightning, and is sent to the master control by the end of incoming cables of equipment power supply
Circuit 100；The signal deteching circuit 300 is arranged on the power supply of the charging equipment, for detecting power supply
Voltage signal, current signal and electric leakage signal are simultaneously sent to the governor circuit 100；When an exception occurs, the master control electricity
Road 100 sends ON- and OFF- command to the relay in relay control unit 420 by the pin 38OFF_CT of singlechip chip U2,
After then relay disconnects, stop power supply power supply, strengthen and electrical fire is safely and effectively monitored, protect personal safety and avoid
The damage of charging equipment；After abnormal ending, sent by pin 37ON_CT on the U8 of singlechip chip U2 connect order to
Relay in relay control unit 420 makes charging equipment carry out normal working condition.The governor circuit 100 will also
Electric parameter, alarm signal, control command etc. are sent to monitoring system or administrative staff or user by the communicating circuit 500
It is monitored in real time.
Another embodiment is provided on the basis of above example, with reference to figure 3, the governor circuit 100 includes：Monolithic
Movement piece U2；The 13 data control terminals of P33 of the singlechip chip U2 are electrically connected with the lightning protection circuit 200；The list
The 5 voltage signal positive input terminals of V3P of piece movement piece U2,6 voltage signal negative input ends of V3N, 9 current signal positive inputs of V1P
End, 10 current signal negative input ends of V1N, SCL1 clock signal terminals, SDA2 data signal ends respectively with the signal deteching circuit
300 electrical connections；37 data control terminals of PB1, the 38 data control terminals of PB2 of the singlechip chip U2 is controlled respectively with the auxiliary
Circuit 400 processed is electrically connected；45 data sending terminals of TDO of the singlechip chip U2,46 data receivers of TMS respectively with it is described
Communicating circuit 500 is electrically connected.
Specifically, in the present embodiment, the model ATT7037A of singlechip chip U2 is a kind of high-performance, low-power consumption
Single-phase multifunctional electric energy computation chip, Embedded single-phase measurement, processor, power management, Clock management, serial communication,
The functions such as SPI, I2C can quickly handle the data of acquisition and be communicated between auxiliary control circuit and communicating circuit.U2's
5 voltage signal positive input terminals of V3P, 6 voltage signal negative input ends of V3N, 9 current signal positive input terminals of V1P, 10 electric currents of V1N
Signal negative input end receives the voltage and current signal of single phase poaer supply respectively, and pass through calculating after obtain voltage, electric current, power,
The electrical parameters such as electric energy.The 13 data control terminals of P33 of U2 receive lightning protection signal, 1 clock signal terminals of SCL, 2 data signal ends of SDA
Electric leakage signal is received, and when being abnormal situation, the break-make of relay is controlled by PB1 37,38 data control terminals of PB2,
To protect equipment and personnel safety.45 data sending terminals of TDO of U2,46 data receivers of TMS are by electric parameter, alarm signal
Number, control command etc. monitoring system or administrative staff or user are sent to by communicating circuit.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 4, the lightning protection circuit 200
Including：3 are insured device RF1, RF2, RF3, Surge Protector G1, photoelectrical coupler U1；The insurance device by fuse and
Varistor encapsulation one, wherein first end are fuse end, and second end is fuse end and varistor public connecting end, the
Three ends are varistor end；The zero line AC-L of power supply respectively with the first end of the insurance device RF1 and the insurance
The first end electrical connection of device R F3；The second end of the insurance device RF1 and the second end of the insurance device RF2 are led to jointly
The cathode terminal of the anode tap and light emitting diode D2 of crossing current-limiting resistance R1 and diode D1 is electrically connected；The cathode of the diode D1
End is electrically connected with the photoelectrical coupler U1 anode taps；The photoelectrical coupler U1 cathode terminals sun with light emitting diode D2 respectively
Extremely, the 3rd end electrical connection of the second end of the insurance device RF2 and the insurance device RF3；The photoelectrical coupler
Collector is electrically connected with the P3313 data control terminals of the singlechip chip U2；The insurance device RF1 and the insurance device
First end of the 3rd end of RF2 jointly with Surge Protector G1 is electrically connected, second end and the ground PE electricity of the Surge Protector G1
Connection；The zero line side AC-N of power supply is electrically connected with the first end of the insurance device RF2.
Specifically, AC-L and AC-N are connected in parallel on the front end on charging equipment power supply firewire and zero curve, during normal work
Insure the varistor high-impedance state in device, alternating current forward current passes through the Thermal Cutoffs flow direction in AC-L, RF1 and RF3
Current-limiting resistance R1, halfwave rectifier diode D1, the isolation signals of photoelectrical coupler U1 are connected to microcontroller, and microcontroller receives normal
The pulse signal of 50HZ, forward current using in RF2 Thermal Cutoffs, AC-N ports flow back to；And alternating current reverse current
By in AC-N, RF2 Thermal Cutoffs, light emitting diode D2, the Thermal Cutoffs in current-limiting resistance R1 and RF1 and RF3 again
It is flowed back to from AC-L ports, electric current, the shape that light emitting diode D2 shines as lightning protection device normal work is provided for light emitting diode D2
State indicator light.When power supply alternating current is struck by lightning or during voltage surge, AC-L and AC-N both end voltages change first,
It is in low resistance state when fluctuation voltage reaches the startup voltage of Zinc-oxide piezoresistor, voltage is by RF1 and RF2 (or RF2 and RF3)
G1 ceramic gas discharge tubes are converged to, when voltage reaches the breakdown voltage of discharge tube, cause discharge tube gap discharge, gas in pipe
Volume ionization, discharge tube conducting, then the earth is flowed by ground wire PE.Circuit design through this embodiment avoids fluctuation voltage pair
The influence of the equipment of rear end.When fluctuation voltage is acted on varistor, the high stream fever of varistor low-resistance can cause temperature
Fuse crosses cause thermal damage, line broken circuit feedback circuit D2 and R1 no current, and indicator light extinguishes；Another branch D1, U1 and R1 also because
No current and normal pulse signal cannot be provided for microcontroller, SCM program also therefore and conclude lightning protection device damage, send
Lightning protection device distress condition reminds user's update.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 5, the signal deteching circuit 300
Including：Voltage detection unit 310；The voltage detection unit 310 includes clamp diode D8；Communication power supply passes through common mode
Inductance LMC2 is filtered；Filtered zero line AC-L pass sequentially through after divider resistance R30, R31, R32 respectively with partial pressure electricity
Hinder the first end of R34 and the first signal end electrical connection of clamp diode D8；The first signal end of the clamp diode D8 is also
It is electrically connected by resistance R33 with the 5 voltage signal positive input terminals of V3P of the singlechip chip U2；Filtered zero line side AC-N
Respectively with the second end of the divider resistance R34, the secondary signal end of the clamp diode D8 and the singlechip chip
6 voltage signal negative input ends of the V3N electrical connection of U2.
Specifically, in the present embodiment, AC_L access power supply 220V alternating current fire wires, AC_N access power supplies
220V alternating current zero curves, voltage pass through the decompression of R30, R31, R32 and R34 bleeder circuit corresponding proportion, obtain the friendship of small-signal
Galvanic electricity pressure, by the anti-High-frequency Interference of FB3 and FB6 magnetic beads, using D8 bilateral diodes clamper, (protection singlechip chip input is drawn
Foot prevents Conduction Interference on line), singlechip chip finally is inputted after the filter circuit filtering being made of R33 and C33, it is single
Piece movement piece acquisition signal converts corresponding voltage value, can judge whether overvoltage or under-voltage by numerical value.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 6, the signal deteching circuit 300
It further includes：Current detecting unit 320；The current detecting unit 320 includes Current Transmit 1；The Current Transmit 1
Positive terminal CTL1 be electrically connected by resistance R14 with the 9 current signal positive input terminals of V1P of the singlechip chip U2；The electricity
The 10 current signal negative input ends of V1N that the negative pole end CTL2 of current transformer CT1 passes through the resistance R24 and singlechip chip U2
Electrical connection.
Specifically, in the present embodiment, by current transformer come the electric current of collection site, current transformer passes through
CTL1, CTL2 access current collection circuit.Current signal is converted into voltage signal by R18, R20, using R14, C24 with
The filter circuit access singlechip chip of R24, C28 composition, singlechip chip acquisition signal are converted corresponding current values, can be led to
It crosses numerical value and judges whether overload or faulty electric arc.Singlechip chip calculates current according to current voltage, the galvanometer of input
The electrical parameters such as active power, reactive power, apparent energy, active energy, reactive energy.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 7, the signal deteching circuit 300
Including：AD conversion unit 330, temperature detecting unit 340, detection of electrical leakage unit 350；The AD conversion unit 330 includes
Modulus conversion chip U6；During the SCL 1 of 1 clock signal terminals of SCL of the modulus conversion chip U6 and the singlechip chip U2
Clock signal end is electrically connected；2 data signal ends of SDA and the SDA 2 of the singlechip chip U2 of the modulus conversion chip U6 counts
It is electrically connected according to signal end；5 analog input ends of AIN1 of the modulus conversion chip U6,6 analog input ends of AIN2 respectively with institute
State temperature detecting unit electrical connection；4 analog input ends of AIN0 of the modulus conversion chip U6 and detection of electrical leakage unit electricity
Connection；The temperature detecting unit 340 includes two-way temperature sensing circuit；Temperature sensor passes through common mode inductance successively all the way
LMC1, magnetic bead FB2, resistance R26 are electrically connected with 5 analog input ends of AIN1 of the modulus conversion chip U6；Another way temperature passes
Sensor is successively by 6 simulation inputs of AIN2 of common mode inductance LMC3, magnetic bead FB5, resistance R36 and the modulus conversion chip U6
End electrical connection.
Specifically, in the present embodiment, temperature sensors inhibit the high frequency on signal wire by common mode inductance, magnetic bead
Noise and spike interference, divide using R29 and R38, again through AD conversion after R26, C32 and R36, C36 composition RC filtering
Chip U6 is converted into digital signal, is gathered by microcontroller.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 8, the electric-leakage detection circuit 350
Including：Current transformer ZCT1, operational amplifier U7, reference voltage source U8；The cathode output end of the current transformer ZCT1
It is electrically connected by current-limiting resistance R19 with the first end of resistance R21；The first end of the resistance R21 also by current-limiting resistance R22 with
The first inverting input electrical connection of operational amplifier U7；The first inverting input of the operational amplifier U7 also passes through current limliting
Resistance R15 is electrically connected with the first output terminal of the operational amplifier U7, forms negative feedback network；The operational amplifier U7's
First output terminal is electrically connected by current-limiting resistance R23 with 4 analog input ends of AIN0 of the modulus conversion chip U6；Electric current is mutual
The cathode output end of sensor ZCT1 is electrically connected by current-limiting resistance R28 with the second end of the resistance R21；The resistance R21's
Second end is also electrically connected by current-limiting resistance R25 with the first normal phase input end of the operational amplifier U7；The operation amplifier
The first normal phase input end of device U7 also by current-limiting resistance R27 respectively with the second inverting input of the operational amplifier U7 with
And the second output terminal electrical connection of the operational amplifier U7；The voltage output reference edge of the reference voltage source U8 passes through partial pressure
Resistance R35 is electrically connected with the second normal phase input end of the operational amplifier U7；The electric-leakage detection circuit further includes triode
Q3；The base stage of the triode Q3 is electrically connected by current-limiting resistance R61 with the 36 data control terminals of PB0 of singlechip chip U2；Institute
The collector of triode Q3 is stated through creepage mutual inductor and passes through current-limiting resistance R60 and is electrically connected with the first supply voltage.
Specifically, in the present embodiment, electricity leakage sensor ZCT1 accesses electric-leakage detection circuit by 1 and 2 pins, by electricity
Current signal is switched to voltage signal by resistance R21, and reference voltage chip U8 is filtered by C35, C34, R35, R37 electric resistance partial pressure, then
Bias voltage is provided for transformed electric leakage signal by voltage follower U7, after amplifying using integrated operational amplifier U7,
Input AD conversion chip U6 is converted into digital signal, then is given to singlechip chip by I2C transmissions, and singlechip chip passes through product
Leakage current value is calculated in internal processes.When the leakage current value of acquisition is more than 30mA or other setting values, product hair
Go out alarm.It is exported by the on-off circuit that Q3, R61, R62 and R60 are formed by the 36 data control terminals of PB0 of singlechip chip U2
The sine wave of 50HZ, LEAK_TEST1 ports connect a lead and pass through creepage mutual inductor, and detection of electrical leakage end will receive and sense at this time
Signal, this is used for the quality for testing electric-leakage detection circuit.First supply voltage is+12VA.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 9, the auxiliary control circuit 400
Including：Short-circuit protection unit 410, relay control unit 420；The short-circuit protection unit 410 includes two-way operational amplifier
U9, two-way differential comparator U10；The positive terminal CTL1 of the Current Transmit 1 is transported by current-limiting resistance R39 and the two-way
Calculate the first reverse input end electrical connection of amplifier U9；The positive terminal CTL1 of the Current Transmit 1 also passes through current-limiting resistance
R56 is electrically connected with the second positive input of the two-way operational amplifier U9；The 1 negative pole end CTL2 of Current Transmit leads to
The first positive input that current-limiting resistance R44 is crossed with the two-way operational amplifier U9 is electrically connected；The Current Transmit 1 is negative
Extreme CTL2 is also electrically connected by current-limiting resistance R58 with the second reverse input end of the two-way operational amplifier U9；It is described double
The first output terminal of road operational amplifier U9 is reversely inputted by the first of the current-limiting resistance R40 and two-way operational amplifier U9
End electrical connection, forms feedback network；The second output terminal of the two-way operational amplifier U9 passes through current-limiting resistance R59 and described couple
The second reverse input end electrical connection of road operational amplifier U9, forms feedback network；The first of the two-way operational amplifier U9
Output terminal and the public connecting end of second output terminal pass sequentially through current-limiting resistance R49, divider resistance R50 and the differential ratio of the two-way
The first normal phase input end electrical connection compared with device U10；The first reverse input end of the two-way differential comparator U10 passes through current limliting electricity
Resistance R42 is electrically connected with the second supply voltage；The first output terminal of the two-way differential comparator U10 and the anode of diode D15
End electrical connection；The cathode terminal of the diode D15 is electrically connected with the second positive input of the two-way differential comparator U10；
Cathode terminal of the second positive input of the two-way differential comparator U10 also with diode D16 is electrically connected；The diode
The anode tap of D16 is electrically connected with the PB238 data control terminals of the singlechip chip U2；The two-way differential comparator U10's
Second reverse input end is electrically connected by current-limiting resistance R41 with second supply voltage；The two-way differential comparator U10's
Second output terminal STCH_OFF is electrically connected with the relay control unit.
Specifically, in the present embodiment, CTL1 and CTL2 access current transformers both ends, before acquisition electric current have electricity
The current signal of current transformer is converted into voltage signal, here using R39, R40, R44, R48, R53, R56, R58, R59, fortune
Signal is amplified by calculation amplifier U9, D14, D17 and full-wave rectification, then forms RC filter circuits by R49, C41 and R50, C42
It is filtered, the signal of processing is compared using comparator U10, is then input to relay control terminal.When on circuit
Short circuit and software do not act, but more than hardware short-circuit voltage threshold values when, U10 output high level, the actuating of relay.Second power supply
Voltage is+3.3VA.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 10, the relay control unit
420 include：Triode Q1 and Q2, relay RY1 and RY2；The base terminal ON_CT of the triode Q1 and the singlechip chip
37 data control terminals of the PB1 electrical connection of U2；The collector terminal STCH_ON of the triode Q1 respectively with the relay RY1
One control terminal and first control terminals of relay RY2 electrical connection；The triode Q2 base terminals STCH_OFF with it is described short
Road protection location electrical connection；The collector terminal of the triode Q2 respectively with second control terminals of relay RY1 and described
The second control terminals of relay RY2 are electrically connected.
Specifically, in the present embodiment, when the low and high level of ON_CT comes from singlechip chip, singlechip chip according to
The corresponding information of detection is reflected in this controlling switch, when ON_CT ends input high level, is divided by R54, R57 current limliting,
Triode Q1 conductings are driven, STCH_ON is caused to drag down, magnetic latching relay closes a floodgate, current channel connection；When STCH_OFF ends input
During high level, by R55 current limlitings, the Q2 conductings of driving triode cause STCH_OFF1 to drag down, magnetic latching relay is opened a sluice gate, and electric current leads to
Road disconnects.Relay RY1 controls the firewire of power supply, and relay RY2 controls the zero curve of power supply.
Another embodiment is provided on the basis of above example, with reference to shown in figure 11-12, the communicating circuit 500
Including：Level conversion unit 510, GPGS units 520；The level conversion unit 510 includes triode Q3, Q4, Q5, Q6；Institute
The base terminal for stating triode Q4 is electrically connected by current-limiting resistance R22 with 45 data sending terminals of TDO of the singlechip chip U2；
The collector of the triode Q4 is electrically connected with the base stage of the triode Q3；The collector of the triode Q3 and the GPGS
Unit is electrically connected；The base terminal of the triode Q6 is electrically connected by current-limiting resistance R25 with the GPGS units；The triode
The collector of Q6 is electrically connected with the base stage of the triode Q5；The collector of the triode Q5 is with the singlechip chip U2's
46 data receivers of TMS are electrically connected；The GPGS units 520 include GPGS chips U3；The GPRS communication chips U6's
35 data sending terminals of UART1_TXD, 36 data receivers of UART1_RXD are electrically connected respectively with the level conversion unit.
Specifically, in the present embodiment, the model USR-GM3 of GPRS chips U3 is that a kind of highly integrated UART turns
The communication module of GPRS, for carrying out bidirectional data transfers between microcontroller U2 and being carried out between monitoring system two-way
Data transmission.Electric parameter, alarm signal, control command etc. are transmitted to GPRS chips, GPRS by microcontroller by serial mode
Chip by wireless network transmissions to monitoring system or the mobile terminal of administrative staff or user, passes through monitoring system or movement again
Terminal is monitored in real time.
The utility model also provides one embodiment, and with reference to shown in figure 1-12, lightning protection device protection circuit in parallel is set in charging
In standby control cabinet, when product inductive power supply supply voltage is struck by lightning and during power grid surge, lightning protection device, which has, absorbs surge effect,
Thermal Cutoffs (overheating protection generated on induction line) is connected between firewire and zero curve, varistor (clamps voltage
Position), again by air discharge tube connection the earth discharge；When indirect lightning strike and excessive surge, led within the extremely short time
Reduction of fractions to a common denominator stream, so as to avoid damage (but itself can damage) of the surge to other equipment in circuit.(surge is protected with conventional lightning protection device
Protect device) unlike, this product increases feedback circuit, and feedback circuit is in the increased branch of firewire and zero line side fuse rear end
(feedback circuit is through shunt resistance, diode halfwave rectifier, then is coupled by photoelectrical coupler) gathers firewire and zero for microcontroller
Frequency signal between line.Under normal working voltage operation, work light is bright, and provides microcontroller normal half wave frequencies letter
Number, when because of the fuse of broken by lightning lightning protection device, feedback circuit no signal, indicator light does not work, and microcontroller does not collect signal
When, just by alarm lamp and wireless communication mode administrative staff or user is reminded to need to change lightning protection device.Information detection
Detect power supply voltage, electric current, electric leakage, cable temperature and detection failure electric arc, corresponded to/brownout voltage protection, overload
Protection, short-circuit protection, earth leakage protective, overheat protector.This product can be examined well using the scheme of cable arrangement temperature sensor
The situation for bringing line temperature excessively high because of overload, short circuit, electric arc etc. is surveyed, can be provided safeguard for electricity consumption.The fault electric arc of this product
Detection is an innovation of distribution box class product, and the arc detection of this product is analyzed using unique algorithm by software algorithm
Current waveform, can intelligent decision go out in either charging equipment electric arc or back end of line problem caused by contact is bad
Or electrical connector contacts the electric arc of bad generation, reminds the present situation occurred on administrative staff or subscribers' line, avoids that fire occurs
Calamity, event of hurting sb.'s feelings and the damage of unnecessary electric appliance.Communicating circuit uses GPRS, and (mobile phone is put down for monitoring system or mobile client
The terminal devices such as plate, computer) APP is by their wireless link products, so as to which administrative staff or user will be seen that the use of oneself
Electric situation, detect line fault, also can the corresponding circuit of remote control etc., it is that product and client carry out the flat of information exchange
Platform.
Need what is illustrated, component model used in this application, while performance parameter is not influenced, Ke Yijin
The adjustment of row practicability.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of charging equipment of tape jam detection, which is characterized in that including：Governor circuit and respectively with the master control electricity
Lightning protection circuit, the signal deteching circuit of road communication connection, auxiliary control circuit, communicating circuit；
The lightning protection circuit is connected in parallel on the end of incoming cables of the charging equipment power supply, for preventing from filling described in broken by lightning
Electric equipment, and lightning protection signal is sent to the governor circuit；The signal deteching circuit is arranged on the confession of the charging equipment
On power supply, for detecting power supply signal, and the power supply signal is sent to the governor circuit, when an exception occurs, institute
It states governor circuit and sends corresponding control command to auxiliary control circuit execution corresponding operating；The governor circuit will also be electrical
Parameter, alarm signal, control command are sent to monitoring system or administrative staff or user by the communicating circuit.
A kind of 2. charging equipment of tape jam detection according to claim 1, which is characterized in that the governor circuit bag
It includes：Singlechip chip U2；
The P3313 data control terminal of the singlechip chip U2 is electrically connected with the lightning protection circuit；
5 voltage signal positive input terminals of V3P, 6 voltage signal negative input ends of V3N, 9 electric currents of the V1P letter of the singlechip chip U2
Number positive input terminal, 10 current signal negative input ends of V1N, 1 clock signal terminals of SCL, 2 data signal ends of SDA, PB036 data controls
End processed is electrically connected respectively with the signal deteching circuit；
PB137 data control terminal, the PB238 data control terminal of the singlechip chip U2 is electric with the auxiliary control circuit respectively
Connection；
45 data sending terminals of TDO, 46 data receivers of TMS of the singlechip chip U2 is electrically connected respectively with the communicating circuit
It connects.
A kind of 3. charging equipment of tape jam detection according to claim 2, which is characterized in that the lightning protection circuit
Including：3 are insured device RF1, RF2, RF3, Surge Protector G1, photoelectrical coupler U1；
Fuse and varistor are encapsulated one by the insurance device, and wherein first end is fuse end, and second end is fusing
Device end and varistor public connecting end, the 3rd end are varistor end；The zero line AC-L of power supply respectively with the guarantor
The first end electrical connection of the first end of dangerous device R F1 and the insurance device RF3；The second end of the insurance device RF1 and institute
The second end of insurance device RF2 is stated commonly through current-limiting resistance R1 and the anode tap of diode D1 and the cathode of light emitting diode D2
End electrical connection；The cathode terminal of the diode D1 is electrically connected with the photoelectrical coupler U1 anode taps；The photoelectrical coupler U1
Cathode terminal respectively with the anode tap of light emitting diode D2, the second end of the insurance device RF2 and the insurance device RF3 the
Three ends are electrically connected；The collector of the photoelectrical coupler is electrically connected with the P3313 data control terminals of the singlechip chip U2；Institute
It states first end of the 3rd end of insurance device RF1 and the insurance device RF2 jointly with Surge Protector G1 to be electrically connected, the wave
The second end of surge protector G1 is electrically connected with ground PE；The first end of the zero line side AC-N of power supply and the insurance device RF2
Electrical connection.
A kind of 4. charging equipment of tape jam detection according to claim 2, which is characterized in that the signal deteching circuit
Including：Voltage detection unit；
The voltage detection unit includes clamp diode D8；Communication power supply is filtered by common mode inductance LMC2；Filter
Zero line AC-L after ripple passes sequentially through after divider resistance R30, R31, R32 the first end and clamper with divider resistance R34 respectively
The first signal end electrical connection of diode D8；The first signal end of the clamp diode D8 also passes through resistance R33 and the list
5 voltage signal positive input terminals of the V3P electrical connection of piece movement piece U2；Filtered zero line side AC-N respectively with the divider resistance
The V3N6 voltage signals of the second end of R34, the secondary signal end of the clamp diode D8 and the singlechip chip U2 are born
Input terminal is electrically connected.
A kind of 5. charging equipment of tape jam detection according to claim 2, which is characterized in that the signal deteching circuit
It further includes：Current detecting unit；
The current detecting unit includes Current Transmit 1；The positive terminal CTL1 of the Current Transmit 1 passes through resistance
R14 is electrically connected with the 9 current signal positive input terminals of V1P of the singlechip chip U2；The negative pole end of the Current Transmit 1
CTL2 is electrically connected by resistance R24 with the 10 current signal negative input ends of V1N of the singlechip chip U2.
A kind of 6. charging equipment of tape jam detection according to claim 2, which is characterized in that the signal deteching circuit
Including：AD conversion unit, temperature detecting unit, detection of electrical leakage unit；
The AD conversion unit includes modulus conversion chip U6；1 clock signal terminals of SCL of the modulus conversion chip U6 with
1 clock signal terminals of the SCL electrical connection of the singlechip chip U2；2 data signal ends of SDA of the modulus conversion chip U6 with
2 data signal ends of the SDA electrical connection of the singlechip chip U2；The AIN15 analog input ends of the modulus conversion chip U6,
AIN26 analog input ends are electrically connected respectively with the temperature detecting unit；The AIN04 simulation inputs of the modulus conversion chip U6
End is electrically connected with the detection of electrical leakage unit；
The temperature detecting unit includes two-way temperature sensing circuit；All the way temperature sensor successively by common mode inductance LMC1,
Magnetic bead FB2, resistance R26 are electrically connected with the AIN15 analog input ends of the modulus conversion chip U6；Another way temperature sensor according to
It is secondary to be electrically connected by common mode inductance LMC3, magnetic bead FB5, resistance R36 and the AIN26 analog input ends of the modulus conversion chip U6
It connects.
A kind of 7. charging equipment of tape jam detection according to claim 6, which is characterized in that the electric-leakage detection circuit
Including：Current transformer ZCT1, operational amplifier U7, reference voltage source U8；
The cathode output end of the current transformer ZCT1 is electrically connected by current-limiting resistance R19 with the first end of resistance R21；It is described
The first end of resistance R21 is also electrically connected by current-limiting resistance R22 with the first inverting input of operational amplifier U7；The computing
The first inverting input of amplifier U7 is also electrically connected by current-limiting resistance R15 and the first output terminal of the operational amplifier U7
It connects, forms negative feedback network；The first output terminal of the operational amplifier U7 passes through current-limiting resistance R23 and the analog-to-digital conversion core
The AIN04 analog input ends electrical connection of piece U6；The cathode output end of current transformer ZCT1 passes through current-limiting resistance R28 and the electricity
Hinder the second end electrical connection of R21；The second end of the resistance R21 also passes through the current-limiting resistance R25's and operational amplifier U7
First normal phase input end is electrically connected；The first normal phase input end of the operational amplifier U7 also by current-limiting resistance R27 respectively with
The second output terminal of the second inverting input of the operational amplifier U7 and the operational amplifier U7 are electrically connected；The base
The second normal phase input end electricity that the voltage output reference edge of reference voltage source U8 passes through the divider resistance R35 and operational amplifier U7
Connection；
The electric-leakage detection circuit further includes triode Q3；The base stage of the triode Q3 passes through current-limiting resistance R61 and microcontroller
The PB036 data control terminal electrical connection of chip U2；The collector of the triode Q3 passes through creepage mutual inductor and passes through current limliting electricity
Resistance R60 is electrically connected with the first supply voltage.
A kind of 8. charging equipment of tape jam detection according to claim 2, which is characterized in that the auxiliary control circuit
Including：Short-circuit protection unit, relay control unit；
The short-circuit protection unit includes two-way operational amplifier U9, two-way differential comparator U10；The Current Transmit 1
Positive terminal CTL1 be electrically connected by current-limiting resistance R39 with the first reverse input end of the two-way operational amplifier U9；It is described
The positive terminal CTL1 of Current Transmit 1 is also positive defeated by the second of the current-limiting resistance R56 and two-way operational amplifier U9
Enter end electrical connection；The 1 negative pole end CTL2 of Current Transmit passes through the current-limiting resistance R44's and two-way operational amplifier U9
First positive input is electrically connected；The 1 negative pole end CTL2 of Current Transmit is also transported by current-limiting resistance R58 and the two-way
Calculate the second reverse input end electrical connection of amplifier U9；The first output terminal of the two-way operational amplifier U9 passes through current-limiting resistance
R40 is electrically connected with the first reverse input end of the two-way operational amplifier U9, forms feedback network；The two-way operation amplifier
The second output terminal of device U9 is electrically connected by current-limiting resistance R59 with the second reverse input end of the two-way operational amplifier U9,
Form feedback network；The first output terminal of the two-way operational amplifier U9 and the public connecting end of second output terminal pass sequentially through
Current-limiting resistance R49, divider resistance R50 are electrically connected with the first normal phase input end of the two-way differential comparator U10；The two-way
The first reverse input end of differential comparator U10 is electrically connected by current-limiting resistance R42 with the second supply voltage；The two-way is differential
The first output terminal of comparator U10 is electrically connected with the anode tap of diode D15；The cathode terminal of the diode D15 with it is described double
The second positive input electrical connection of road differential comparator U10；The second positive input of the two-way differential comparator U10 is also
It is electrically connected with the cathode terminal of diode D16；The PB238 data of the anode tap of the diode D16 and the singlechip chip U2
Control terminal is electrically connected；The second reverse input end of the two-way differential comparator U10 is supplied by current-limiting resistance R41 and described second
Piezoelectric voltage is electrically connected；The second output terminal STCH_OFF of the two-way differential comparator U10 and relay control unit electricity
Connection.
9. the charging equipment of a kind of tape jam detection according to claim 8, which is characterized in that the relay control is single
Member includes：Triode Q1 and Q2, relay RY1 and RY2；
The base terminal ON_CT of the triode Q1 is electrically connected with the PB137 data control terminals of the singlechip chip U2；Described three
The collector terminal STCH_ON of pole pipe Q1 is controlled respectively with first control terminals of relay RY1 and the relay RY2 first
End electrical connection；The triode Q2 base terminals STCH_OFF is electrically connected with the short-circuit protection unit；The collection of the triode Q2
Electrode tip is electrically connected respectively with second control terminals of relay RY1 and second control terminals of relay RY2.
A kind of 10. charging equipment of tape jam detection according to claim 2, which is characterized in that the communicating circuit bag
It includes：Level conversion unit, GPGS units；
The level conversion unit includes triode Q3, Q4, Q5, Q6；The base terminal of the triode Q4 passes through current-limiting resistance R22
It is electrically connected with 45 data sending terminals of TDO of the singlechip chip U2；The collector of the triode Q4 and the triode Q3
Base stage electrical connection；The collector of the triode Q3 is electrically connected with the GPGS units；The base terminal of the triode Q6 leads to
Current-limiting resistance R25 is crossed to be electrically connected with the GPGS units；The base stage electricity of the collector of the triode Q6 and the triode Q5
Connection；The collector of the triode Q5 is electrically connected with 46 data receivers of TMS of the singlechip chip U2；
The GPGS units include GPGS chips U3；35 data sending terminals of UART1_TXD of the GPRS communication chips U6,
36 data receivers of UART1_RXD are electrically connected respectively with the level conversion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334313.6U CN207398896U (en) | 2017-10-17 | 2017-10-17 | A kind of charging equipment of tape jam detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334313.6U CN207398896U (en) | 2017-10-17 | 2017-10-17 | A kind of charging equipment of tape jam detection |
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| CN207398896U true CN207398896U (en) | 2018-05-22 |
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ID=62332326
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| CN201721334313.6U Active CN207398896U (en) | 2017-10-17 | 2017-10-17 | A kind of charging equipment of tape jam detection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482174A (en) * | 2018-05-29 | 2018-09-04 | 特瓦特能源科技有限公司 | A kind of DC charging equipment |
| CN111403965A (en) * | 2018-12-13 | 2020-07-10 | 中国电信股份有限公司 | Power supply system and power supply method |
| CN113690851A (en) * | 2021-10-25 | 2021-11-23 | 江苏德鲁特电气设备有限公司 | Power supply protection device for communication base station |
| WO2022184139A1 (en) * | 2021-03-03 | 2022-09-09 | 苏州宝时得电动工具有限公司 | Data transmission system, power supply apparatus, and external device |
| CN116476660A (en) * | 2023-04-27 | 2023-07-25 | 澳莱特新能源(惠州)有限公司 | Waterproof electric shock prevention charger and charging system thereof |
-
2017
- 2017-10-17 CN CN201721334313.6U patent/CN207398896U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482174A (en) * | 2018-05-29 | 2018-09-04 | 特瓦特能源科技有限公司 | A kind of DC charging equipment |
| CN111403965A (en) * | 2018-12-13 | 2020-07-10 | 中国电信股份有限公司 | Power supply system and power supply method |
| CN111403965B (en) * | 2018-12-13 | 2021-06-04 | 中国电信股份有限公司 | Power supply system and power supply method |
| WO2022184139A1 (en) * | 2021-03-03 | 2022-09-09 | 苏州宝时得电动工具有限公司 | Data transmission system, power supply apparatus, and external device |
| CN113690851A (en) * | 2021-10-25 | 2021-11-23 | 江苏德鲁特电气设备有限公司 | Power supply protection device for communication base station |
| CN116476660A (en) * | 2023-04-27 | 2023-07-25 | 澳莱特新能源(惠州)有限公司 | Waterproof electric shock prevention charger and charging system thereof |
| CN116476660B (en) * | 2023-04-27 | 2023-11-03 | 澳莱特新能源(惠州)有限公司 | Waterproof electric shock prevention charger and charging system thereof |
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