CN216959375U - Main control board controller for direct current charging pile - Google Patents
Main control board controller for direct current charging pile Download PDFInfo
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- CN216959375U CN216959375U CN202123454238.6U CN202123454238U CN216959375U CN 216959375 U CN216959375 U CN 216959375U CN 202123454238 U CN202123454238 U CN 202123454238U CN 216959375 U CN216959375 U CN 216959375U
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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
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- Y02T90/14—Plug-in electric vehicles
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Abstract
The application relates to the technical field of circuit control, more specifically relates to a main control board controller for direct current fills electric pile, includes: the main control unit, first analog quantity acquisition circuit unit and second analog quantity acquisition circuit unit, first analog quantity acquisition circuit unit with electric isolation between the second analog quantity acquisition circuit unit, wherein, analog quantity acquisition circuit unit connects between main control unit and the rifle that charges for gather the circuit analog quantity of the rifle that charges. Through the application, the technical problem that a single main control board of the direct current charging pile in the prior art can only support single-gun charging is solved, the function that the single main control board supports double-gun charging is realized, the integration level, the reliability and the stability of the system are improved, the system design is simplified, the pile space is reduced, the cost is reduced, and the maintenance of a subsequent system is facilitated.
Description
Technical Field
The utility model relates to the technical field of circuit control, in particular to a main control board controller for a direct current charging pile.
Background
At present, with the popularization of new energy automobiles, the new energy automobiles are more and more recognized by the public, and meanwhile, the society supports the development of the new energy automobile industry, because the new energy automobiles accord with the development trends of low carbon, environmental protection and green environment, the new energy automobiles undoubtedly become the development direction of the automobiles in the future under the pressure of energy and environmental protection. Along with new energy automobile's output and purchase volume increase, the direct current fills electric pile and as the quick charging equipment with the supporting use of new energy automobile, has higher requirement to it in the aspect of design, performance requirement, whole pile body area occupied.
In the prior art, a control logic structure that a charging gun on a traditional direct current charging pile corresponds to a main control board is adopted, and the function that a single main control board supports double-gun charging is not realized.
In view of the above problems in the related art, no effective solution has been found at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that a single main control board of a direct current charging pile in the prior art can only support single gun charging, the utility model provides a main control board controller for the direct current charging pile.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a main control board controller for a direct current charging pile, comprising: the device comprises a main control unit, a first analog quantity acquisition circuit unit and a second analog quantity acquisition circuit unit, wherein the first analog quantity acquisition circuit unit is electrically isolated from the second analog quantity acquisition circuit unit, and the first analog quantity acquisition circuit unit is connected between the main control unit and a first charging gun and is used for acquiring first circuit analog quantity of the first charging gun; and the second analog quantity acquisition circuit unit is connected between the main control unit and the second charging gun and is used for acquiring second circuit analog quantity of the second charging gun.
Further, the first circuit analog quantity or the second circuit analog quantity includes: the direct current output voltage, the direct current output current, the battery voltage of the charging vehicle, and the bus voltage to ground.
Further, the main control board controller further comprises: an input amount detection circuit unit for detecting state amounts of the first charging gun and the second charging gun, wherein the state amounts include at least one of: the system comprises an electronic lock state, a positive bus direct current contactor output state, a negative bus direct current contactor output state, a gun temperature state, a direct current fuse state, a breaker state, an alternating current contactor state, entrance guard state detection, a water immersion state and an emergency stop state.
Further, the main control board controller further comprises: the state indicator light circuit unit is connected with the main control unit and used for controlling the circuit state of the first indicator light circuit according to the first circuit control signal and controlling the circuit state of the second indicator light circuit according to the second circuit control signal; the main control unit is used for generating the first circuit control signal according to the first circuit analog quantity, the state quantity and the communication state of the first charging gun, and generating the second circuit control signal according to the second circuit analog quantity, the state quantity and the communication state of the second charging gun.
Further, the main control board controller further comprises: the relay output control circuit unit is connected with the main control unit and used for controlling at least one of the following circuits of the direct current charging pile: contactor, electronic lock, auxiliary power supply, fan, circuit breaker.
Further, the relay output control circuit unit further includes: relay interlock circuit, with the main control unit is connected, relay interlock circuit includes: the relay comprises a first relay K12, a second relay K13 and a third relay K14, wherein a control end C of the K12 is connected with an external power supply, a normally open end NO is connected with one end of a control coil of a bus output contactor, and a normally closed end NC is connected with a normally closed end NC of a relay K13; the control end C of the K13 is connected with the external power supply, the normally open end NO is connected with one end of the output contactor control coil of the first charging gun, and the normally closed end NC is connected with the control end C of the K14; relay K14's the one end of the output contactor control coil of second rifle that charges is connected to the normally open end NO, female antithetical couplet output contactor, the output contactor of first rifle that charges, the other end of the output contactor of second rifle that charges all connects external power supply's earthing terminal.
Further, the main control unit is further configured to: collecting the working states of the first charging gun and the second charging gun;
if the first charging gun is in a charging state and the second charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K13 is controlled to control the contact C to be closed to the contact NO, and the relay K14 does not act;
if the second charging gun is in a charging state and the first charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K14 is controlled to control the contact C to be closed to the contact NO, and the relay K13 does not act;
if the first charging gun and the second charging gun are both in a charging state, the relay K13 is controlled to close the contact C to the contact NO, the relay K14 is controlled to close the contact C to the contact NO, and the relay K12 does not act.
Further, the main control board controller further comprises: and the CC1 voltage detection functional circuit unit is used for detecting the dynamic voltage of the first charging gun during charging and the dynamic voltage of the second charging gun during charging.
Further, the main control board controller further comprises: the system comprises two paths of RS485 communication functional circuit units, wherein the first path of RS485 communication functional circuit unit, a first charging gun and an electric energy meter form a first loop, and the second path of RS485 communication functional circuit unit, a second charging gun and the electric energy meter form a second loop; and/or, the main control board controller further comprises: one path of the RS232 communication function circuit unit is communicated with a card reader module of the charging pile and is used for transmitting a charging instruction of the main control unit aiming at the card reader module; and the other path of the communication with a control panel of the charging pile is used for transmitting the human-computer interaction instruction detected by the control panel.
Further, the main control board controller further comprises: the isolated four-way controller area network CAN transceiver comprises four CAN communication circuit units, wherein one CAN communication circuit unit is communicated with a power module of the first charging gun, and the other CAN communication circuit unit is communicated with a battery management system BMS of the first charging gun; one way is communicated with the power module of the second charging gun, and the other way is communicated with the BMS of the second charging gun.
The technical scheme of the utility model has the following advantages:
the utility model provides a main control board controller for a direct current charging pile, which integrates circuit units related to double guns through the main control board controller and comprises: first analog quantity acquisition circuit unit and second analog quantity acquisition circuit unit, status indicator lamp circuit unit, relay output control circuit unit, CAN communication function circuit unit etc, the function that monolithic main control board supported the bigun to charge has been realized, the control logic structure that traditional a rifle corresponds a main control board has been improved, the technical problem that the monolithic main control board of direct current charging stake CAN only support the single gun to charge among the prior art, the integration of system has been improved, reliability, stability, simplify system design, reduce pile body space, the cost is reduced, the maintenance of follow-up system of also being convenient for. Three output modes are realized through a relay interlocking circuit, namely, the first charging gun outputs full power, and the second charging gun does not output power; the second charging gun outputs full power, and the first charging gun does not output power; the first and second charging guns output independently at the same time, and the function that a single main control board supports double-gun charging is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise. In the drawings:
fig. 1 is a schematic structural diagram of a main control board controller for a dc charging pile according to an embodiment of the present invention;
FIG. 2 is a complete circuit diagram of the main control board controller according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a relay interlock circuit of the present invention;
fig. 4 is a schematic diagram of power control in the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The following examples are illustrative, but not limiting; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product, and should not be taken as limiting the patent.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
As shown in fig. 1, fig. 1 is a schematic structural diagram of a main control board controller for a dc charging pile in an embodiment of the present invention, and an embodiment of the present invention provides a main control board controller for a dc charging pile, including: the device comprises a main control unit 10, a first analog quantity acquisition circuit unit 12 and a second analog quantity acquisition circuit unit 14, wherein the first analog quantity acquisition circuit unit 12 is electrically isolated from the second analog quantity acquisition circuit unit 14, and the first analog quantity acquisition circuit unit 12 is connected between the main control unit and a first charging gun and is used for acquiring a first circuit analog quantity of the first charging gun; and the second analog quantity acquisition circuit unit 14 is connected between the main control unit and the second charging gun and used for acquiring second circuit analog quantity of the second charging gun.
The utility model provides a main control board controller for a direct current charging pile, wherein a main control unit is a processor of the main control board controller, such as a CPU (central processing unit), an MPU (micro processing unit) and the like, and a circuit unit related to a double gun is integrated through the main control board controller, and the controller comprises: first analog quantity acquisition circuit unit and second analog quantity acquisition circuit unit, status indicator lamp circuit unit, relay output control circuit unit, CAN communication function circuit unit etc, the function that monolithic main control board supported the bigun to charge has been realized, the control logic structure that traditional a rifle corresponds a main control board has been improved, the technical problem that the monolithic main control board of direct current charging stake CAN only support the single gun to charge among the prior art, the integration of system has been improved, reliability, stability, simplify system design, reduce pile body space, the cost is reduced, the maintenance of follow-up system of also being convenient for.
In this embodiment integration main control board controller uses the STM32F407 series singlechip that the peripheral interface is abundant on the piece as the core of controller, and the main control board controller contains multiple function circuit unit promptly, satisfies the data processing demand that fills electric pile control system, realizes the function that a main control board supports the double gun.
In one embodiment of the present invention, the integrated main control board controller further includes other functions, such as: a 12V power supply input; a main control unit; an analog quantity acquisition circuit unit; a status indicator lamp circuit unit; a relay output control circuit unit; an input amount detection circuit unit; a CC1 voltage detection circuit unit; an RS485 communication circuit unit; 232 a communication circuit unit; a CAN communication circuit unit; ethernet connects circuit unit and memory circuit unit. Fig. 2 is a complete circuit diagram of the main control board controller in the embodiment of the present invention, which may be integrated on a single chip.
In this embodiment, first analog quantity acquisition circuit unit and second analog quantity acquisition circuit unit correspond first rifle and the second rifle that charges respectively, and to analog quantity acquisition circuit unit, the main control board has integrateed the analog quantity acquisition function circuit of two guns, and adopts the isolation sampling scheme, ensures electrical safety.
As shown in fig. 2, each acquisition circuit unit includes: the method comprises the steps of charging pile power module or power module group output voltage sampling, charging pile power module or power module group output current sampling, electric vehicle battery voltage sampling and charging pile insulation resistance detection, wherein the insulation resistance detection comprises positive bus-to-ground resistance detection and negative bus-to-ground resistance detection.
In this embodiment, the first circuit analog quantity or the second circuit analog quantity includes: the direct current output voltage, the direct current output current, the battery voltage of the charging vehicle, and the bus voltage to ground.
In this embodiment, the main control board controller further includes: an input amount detection circuit unit for detecting state amounts of the first charging gun and the second charging gun, wherein the state amounts include at least one of: the system comprises an electronic lock state, a positive bus direct current contactor output state, a negative bus direct current contactor output state, a gun temperature state, a direct current fuse state, a breaker state, an alternating current contactor state, entrance guard state detection, a water immersion state and an emergency stop state.
Wherein, to the volume of opening detection circuitry unit, the main control board has contained the quantity of state detection of two guns, and every rifle quantity of state detection contains: detecting the state of an electronic lock, detecting the output state of a positive bus direct current contactor, detecting the output state of a negative bus direct current contactor, detecting the state of a gun temperature, detecting the state of a direct current fuse, detecting the state of a QF circuit breaker and detecting the state of an alternating current contactor; in addition, entrance guard state detection, water immersion state detection and emergency stop state detection are also provided.
In this embodiment, the main control board controller further includes: the state indicator lamp circuit unit is used for controlling the circuit state of the first indicator lamp circuit according to the first circuit control signal and controlling the circuit state of the second indicator lamp circuit according to the second circuit control signal; the main control unit is used for generating the first circuit control signal according to the first circuit analog quantity, the state quantity and the communication state of the first charging gun, and generating the second circuit control signal according to the second circuit analog quantity, the state quantity and the communication state of the second charging gun.
Wherein, communication state CAN be with the RS485 communication module that first rifle and the second rifle that charges are connected, and/or, RS232 communication module, and/or, CAN communication module's communication state, when communication unusual or trouble appears, generates first control signal and second control signal, and the trouble pilot lamp that control corresponds is bright, controls the on-off state of the power module who charges the rifle and be connected with first rifle and the second simultaneously to make the rifle that charges that communication trouble corresponds CAN't charge.
Wherein, to status indicator lamp circuit unit, the main control board has integrateed first rifle, the two sets of status indicator lamp circuit unit of second rifle that charge, and every group indicator lamp circuit unit all indicates three kinds of states respectively by the lamp of green, red, yellow three kinds of colours: standby state, charging state, alarm/fault state.
In this embodiment, the main control board controller further includes: the relay output control circuit unit is connected with the main control unit and used for controlling at least one of the following circuits of the direct current charging pile: contactor, electronic lock, auxiliary power supply, fan, circuit breaker.
For the relay output control circuit unit, the main control board integrates a contactor control circuit unit, an electronic lock control circuit unit, an auxiliary power supply control circuit unit, a fan control circuit unit and a circuit breaker control circuit unit.
In this embodiment, the relay output control circuit unit further includes: relay interlock circuit, with the main control unit is connected, relay interlock circuit includes: the relay comprises a first relay K12, a second relay K13 and a third relay K14, wherein a control end C of the K12 is connected with an external power supply, a normally open end NO is connected with one end of a control coil of a bus output contactor, and a normally closed end NC is connected with a normally closed end NC of a relay K13; the control end C of the K13 is connected with the external power supply, the normally open end NO is connected with one end of the output contactor control coil of the first charging gun, and the normally closed end NC is connected with the control end C of the K14; relay K14's the one end of the output contactor control coil of second rifle that charges is connected to the normally open end NO, female antithetical couplet output contactor, the output contactor of first rifle that charges, the other end of the output contactor of second rifle that charges all connects external power supply's earthing terminal. Fig. 3 is a schematic diagram of a relay interlock circuit of the present invention, including K12, K13, and K14.
The relay output control circuit unit is also provided with a relay interlocking circuit, as shown in fig. 3, the relay interlocking circuit can improve the safety of the system, simplify the design, save the cost and realize the full-power output function of a single gun.
In this embodiment, the main control unit is further configured to: collecting the working states of the first charging gun and the second charging gun;
if the first charging gun is in a charging state and the second charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K13 is controlled to control the contact C to be closed to the contact NO, and the relay K14 does not act;
if the second charging gun is in a charging state and the first charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K14 is controlled to control the contact C to be closed to the contact NO, and the relay K13 does not act;
if the first charging gun and the second charging gun are both in a charging state, the relay K13 is controlled to close the contact C to the contact NO, the relay K14 is controlled to close the contact C to the contact NO, and the relay K12 does not act.
The main control unit realizes three functions of bus coupling output through a relay interlocking circuit in the relay output control circuit unit, wherein the charging state is the full-power output of the charging gun, and the standby state is the non-output of the charging gun. The first gun that charges is the A rifle in fig. 3, and the second gun that charges is the B rifle in fig. 3, and when A rifle full power output, the B rifle does not have the output, and relay interlock circuit carries out the following action: relay K12 controls contact C to close to contact NO; relay K13 controls contact C to close to contact NO; relay K14 is not active;
when the gun B outputs full power and the gun A does not output, the relay interlocking circuit performs the following actions: relay K12 controls contact C to close to contact NO; relay K14 controls contact C to close to contact NO; relay K13 is not active;
when the gun A and the gun B output independently at the same time, the relay interlocking circuit performs the following actions: relay K13 controls contact C to close to contact NO; relay K14 controls contact C to close to contact NO; relay K12 is not active.
In fig. 3, NC is a normally closed contact of the relay, and NO is a normally open contact of the relay; and control coils of the bus coupler output contactor, the gun A output contactor and the gun B output contactor are all supplied with power by + 24V.
Three output modes are realized through the relay interlocking circuit, namely the first charging gun outputs full power, and the second charging gun does not output power; the second charging gun outputs full power, and the first charging gun does not output power; the first and second charging guns output independently at the same time, and the function that a single main control board supports double-gun charging is realized.
In this embodiment, the main control board controller further includes: and the CC1 voltage detection functional circuit unit is used for detecting the dynamic voltage of the first charging gun during charging and the dynamic voltage of the second charging gun during charging.
Wherein, the main control board has two way CC1 voltage detection function circuits, can detect the voltage variation process when the rifle that charges is from beginning to inserting the electric automobile charging seat completely: 12V to 6V to 4V.
In this embodiment, the main control board controller further includes: the system comprises two RS485 communication functional circuit units, wherein a first RS485 communication functional circuit unit, a first charging gun and an electric energy meter form a first loop, and a second RS485 communication functional circuit unit, a second charging gun and the electric energy meter form a second loop; and/or, the main control board controller further comprises: one path of the RS232 communication function circuit unit is communicated with a card reader module of the charging pile and is used for transmitting a charging instruction of the main control unit aiming at the card reader module; and the other path of the communication with a control panel of the charging pile is used for transmitting the human-computer interaction instruction detected by the control panel.
For the two RS485 communication function circuit units, the main control board integrates two RS485 communication function circuits and is used in combination with a single direct-current electronic multi-rate electric energy meter, double-loop metering of the charging pile is achieved, the double-loop metering comprises communication with a first charging gun electric energy meter and communication with a second charging gun electric energy meter, for the two RS232 communication function circuit units, the main control board integrates 2 RS232 communication function circuits, one of the two RS232 communication function circuit units is communicated with a non-contact type card reader module, and the function of card swiping and charging is achieved; and the other path is communicated with the touch screen module to realize the man-machine interaction operation of the charging requirement.
In this embodiment, the main control board controller further includes: the isolated four-way controller area network CAN transceiver comprises four CAN communication circuit units, wherein one CAN communication circuit unit is communicated with a power module of the first charging gun, and the other CAN communication circuit unit is communicated with a battery management system BMS of the first charging gun; one way is communicated with the power module of the second charging gun, and the other way is communicated with the BMS of the second charging gun.
Fig. 4 is a schematic diagram of power control in the present invention, as shown in fig. 4, the main control board controller is connected to the first charging gun power module group through CAN1, to the second charging gun power module group through CAN3, to the first charging gun through CAN2, and to the second charging gun through CAN4, where QF is a switch, KM is a contactor, M + is a direct current positive output, M-is a direct current negative input, DC + is a charging gun direct current power supply positive, DC-is a charging gun direct current power supply negative, PE is a charging gun protection ground, and S + and S-are CAN communication of the charging gun.
In this embodiment, as shown in fig. 2, the main control board controller further includes: the Ethernet unit circuit is used for communicating with a background and performing remote operation; the storage circuit unit is used for storing relevant setting parameters, user parameters and the like.
For those skilled in the art to which the utility model pertains, equivalent substitutions or obvious modifications can be made without departing from the spirit of the utility model, and all changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a main control board controller for direct current fills electric pile which characterized in that includes: the device comprises a main control unit, a first analog quantity acquisition circuit unit and a second analog quantity acquisition circuit unit, wherein the first analog quantity acquisition circuit unit is electrically isolated from the second analog quantity acquisition circuit unit,
the first analog quantity acquisition circuit unit is connected between the main control unit and the first charging gun and is used for acquiring first circuit analog quantity of the first charging gun;
and the second analog quantity acquisition circuit unit is connected between the main control unit and the second charging gun and is used for acquiring second circuit analog quantity of the second charging gun.
2. The main control board controller of claim 1, wherein the first circuit analog quantity or the second circuit analog quantity comprises: the direct current output voltage, the direct current output current, the battery voltage of the charging vehicle, and the bus voltage to ground.
3. The master control board controller of claim 1, further comprising: an input amount detection circuit unit for detecting state amounts of the first charging gun and the second charging gun, wherein the state amounts include at least one of: the system comprises an electronic lock state, a positive bus direct current contactor output state, a negative bus direct current contactor output state, a gun temperature state, a direct current fuse state, a breaker state, an alternating current contactor state, entrance guard state detection, a water immersion state and an emergency stop state.
4. The master control board controller of claim 1, further comprising: the state indicator lamp circuit unit is connected with the main control unit and used for controlling the circuit state of the first indicator lamp circuit according to the first circuit control signal and controlling the circuit state of the second indicator lamp circuit according to the second circuit control signal;
the main control unit is used for generating the first circuit control signal according to the first circuit analog quantity, the state quantity and the communication state of the first charging gun, and generating the second circuit control signal according to the second circuit analog quantity, the state quantity and the communication state of the second charging gun.
5. The master control board controller of claim 1, further comprising: the relay output control circuit unit is connected with the main control unit and used for controlling at least one of the following circuits of the direct current charging pile: contactor, electronic lock, auxiliary power supply, fan, circuit breaker.
6. The main control board controller of claim 5, wherein the relay output control circuit unit further comprises: relay interlock circuit, with the main control unit is connected, relay interlock circuit includes: the relay comprises a first relay K12, a second relay K13 and a third relay K14, wherein a control end C of K12 is connected with an external power supply, a normally open end NO is connected with one end of a control coil of a bus output contactor, and a normally closed end NC is connected with a normally closed end NC of a relay K13; the control end C of the K13 is connected with the external power supply, the normally open end NO is connected with one end of the output contactor control coil of the first charging gun, and the normally closed end NC is connected with the control end C of the K14; relay K14's the one end of the output contactor control coil of second rifle that charges is connected to the normally open end NO, female antithetical couplet output contactor, the output contactor of first rifle that charges, the other end of the output contactor of second rifle that charges all connects external power supply's earthing terminal.
7. The master control board controller of claim 6, wherein the master control unit is further configured to: collecting the working states of the first charging gun and the second charging gun;
if the first charging gun is in a charging state and the second charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K13 is controlled to control the contact C to be closed to the contact NO, and the relay K14 does not act;
if the second charging gun is in a charging state and the first charging gun is in a standby state, the relay K12 is controlled to control the contact C to be closed to the contact NO, the relay K14 is controlled to control the contact C to be closed to the contact NO, and the relay K13 does not act;
if the first charging gun and the second charging gun are both in a charging state, the relay K13 is controlled to close the contact C to the contact NO, the relay K14 is controlled to close the contact C to the contact NO, and the relay K12 does not act.
8. The master control board controller of claim 1, further comprising: and the CC1 voltage detection functional circuit unit is used for detecting the dynamic voltage of the first charging gun during charging and the dynamic voltage of the second charging gun during charging.
9. The master control board controller of claim 1, further comprising: the system comprises two RS485 communication functional circuit units, wherein a first RS485 communication functional circuit unit, a first charging gun and an electric energy meter form a first loop, and a second RS485 communication functional circuit unit, a second charging gun and the electric energy meter form a second loop; and/or, the main control board controller further comprises: one path of the RS232 communication function circuit unit is communicated with a card reader module of the charging pile and is used for transmitting a charging instruction of the main control unit aiming at the card reader module; and the other path of the communication with a control panel of the charging pile is used for transmitting the human-computer interaction instruction detected by the control panel.
10. The master control board controller of claim 1, further comprising: the isolated four-way controller area network CAN transceiver comprises four CAN communication circuit units, wherein one CAN communication circuit unit is communicated with a power module of the first charging gun, and the other CAN communication circuit unit is communicated with a battery management system BMS of the first charging gun; communicate with the power module of second rifle, communicate with the BMS of second rifle all the way.
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| CN202123454238.6U CN216959375U (en) | 2021-12-31 | 2021-12-31 | Main control board controller for direct current charging pile |
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| CN202123454238.6U CN216959375U (en) | 2021-12-31 | 2021-12-31 | Main control board controller for direct current charging pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885583A (en) * | 2023-12-29 | 2024-04-16 | 北京玖行智研交通科技有限公司 | Charging pile peripheral equipment integrated control device for new energy vehicle |
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2021
- 2021-12-31 CN CN202123454238.6U patent/CN216959375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885583A (en) * | 2023-12-29 | 2024-04-16 | 北京玖行智研交通科技有限公司 | Charging pile peripheral equipment integrated control device for new energy vehicle |
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