CN211844110U - Charging monitoring circuit, charging equipment and system - Google Patents

Charging monitoring circuit, charging equipment and system Download PDF

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Publication number
CN211844110U
CN211844110U CN202020140876.7U CN202020140876U CN211844110U CN 211844110 U CN211844110 U CN 211844110U CN 202020140876 U CN202020140876 U CN 202020140876U CN 211844110 U CN211844110 U CN 211844110U
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charging
monitoring unit
signal
charged
electronic lock
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CN202020140876.7U
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张永照
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Shenzhen Yiwa Technology Co ltd
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Shenzhen Yiwa Technology Co ltd
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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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/14—Plug-in electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model relates to a rifle technical field charges especially relates to a monitoring circuit, battery charging outfit and system charge. The charge monitoring circuit includes: the charging control device comprises a monitoring unit, an electronic lock and a temperature detector, wherein the temperature detector is arranged at a charging plug, and the monitoring unit is used for forwarding a charging connection confirmation signal sent by equipment to be charged to a charging controller when the charging plug is plugged into the input end of the equipment to be charged; the monitoring unit is used for forwarding an electronic lock signal fed back by the electronic lock to the charging controller when the charging plug is plugged into the input end of the device to be charged; the monitoring unit is used for forwarding the temperature electric signal sent by the temperature detector to the charging controller when the charging plug is plugged into the input end of the device to be charged. The utility model provides a many and the low problem of reliability of signal line, extension signal line life, reduce cost simultaneously.

Description

Charging monitoring circuit, charging equipment and system
Technical Field
The utility model relates to a rifle technical field charges especially relates to a monitoring circuit, battery charging outfit and system charge.
Background
Along with the increase of the mileage of a new energy automobile, the charging current is larger and larger, and the corresponding measures are that the monitoring of the charging gun, the charging seat and the connector is continuously enhanced, so that various accidents are prevented from being brought by abnormity. Meanwhile, due to the development of various intelligent technologies such as AI (Artificial Intelligence), more parameter monitoring is also required to be performed as an input condition for intelligent application.
Taking charging pile, charging gun and charging seat as examples, there are control signals for temperature monitoring, connection detection, communication line, electronic lock control, etc. For control signals, up to more than ten signal lines are connected from the charging pile to realize corresponding functions. Taking the most complicated direct current charging gun as an example, the number of signal lines is up to 12, so that on one hand, the complexity of charging lines is increased, and on the other hand, frost is added on snow of the charging cable which is very heavy, and the use and development of quick charging are severely restricted. And the damage risk of the thinner signal wire such as wire breakage outside the wire in brute force application is very large, and the more the cables, the higher the risk.
In addition, due to the development of the liquid cooling technology of the liquid cooling cable to be used in large batch, the development of the cable structure is seriously influenced by the signal wire, and the development of the technology is influenced.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a charging monitoring circuit, battery charging outfit and system aim at solving the many and low problem of reliability of prior art signal line.
In order to achieve the above object, the utility model provides a charging monitoring circuit, charging monitoring circuit includes: the temperature detector is arranged at a charging plug, the input end of the charging plug is connected with a charging power supply, and the charging plug can be plugged into the input end of equipment to be charged;
the first receiving end of the monitoring unit is connected with the feedback end of the charging plug, and the monitoring unit is used for forwarding a charging connection confirmation signal sent by the device to be charged to a charging controller when the charging plug is plugged into the input end of the device to be charged;
the second receiving end of the monitoring unit is connected with the driving and signal feedback end of the electronic lock, and the monitoring unit is used for forwarding an electronic lock signal fed back by the electronic lock to the charging controller when the charging plug is plugged into the input end of the device to be charged;
the third receiving end of the monitoring unit is connected with the forwarding end of the temperature detector, and the monitoring unit is used for forwarding the temperature electric signal of the temperature detector to the charging controller when the charging plug is plugged into the input end of the device to be charged.
Preferably, the charging monitoring circuit further includes a charging communication line, a sending end of the monitoring unit is connected to the charging communication line, and the monitoring unit forwards the electronic lock signal, the temperature electrical signal, and the charging confirmation signal to the charging controller through the charging communication line.
Preferably, the charging monitoring circuit further comprises a device ground line and a first communication line; the sending end of the monitoring unit is connected with the equipment ground wire and the first communication wire, and the monitoring unit forwards the electronic lock signal, the temperature electric signal and the charging connection confirmation signal to the charging controller through the first communication wire and the equipment ground wire.
Preferably, the charging monitoring circuit further includes a second communication line and a third communication line, a sending end of the monitoring unit is connected to the second communication line and the third communication line, and the monitoring unit forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller through the second communication line and the third communication line.
Preferably, the monitoring unit further comprises a wireless communication subunit, and the wireless communication subunit is configured to forward the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller.
Preferably, the charging monitoring circuit further includes an auxiliary power line, a fourth receiving end of the monitoring unit is connected to the auxiliary power line, and the auxiliary power line is used for transmitting power supply electric energy for the monitoring unit.
Preferably, the electronic lock is used for locking the charging plug and the device to be charged when the charging plug is plugged into the input end of the device to be charged.
Preferably, the monitoring unit is further configured to convert a temperature electrical signal sent by the temperature sensor into an alarm signal and send the alarm signal to the charging controller when the temperature of the charging plug is higher than a safe temperature.
Furthermore, in order to realize the above object, the utility model discloses still provide a battery charging outfit, the rifle that charges includes as above the monitoring circuit that charges.
Furthermore, in order to realize the above object, the utility model discloses still provide a charging system, charging system includes the feeder terminal equipment, treats the battery charging outfit and as above the monitoring circuit that charges.
The utility model discloses a set up the monitoring circuit that charges and include: the temperature detector is arranged at a charging plug, the input end of the charging plug is connected with a charging power supply, and the charging plug can be plugged into the input end of equipment to be charged; the first receiving end of the monitoring unit is connected with the feedback end of the charging plug, and the monitoring unit is used for forwarding a charging connection confirmation signal sent by the device to be charged to a charging controller when the charging plug is plugged into the input end of the device to be charged; the second receiving end of the monitoring unit is connected with the driving and signal feedback end of the electronic lock, and the monitoring unit is used for forwarding an electronic lock signal fed back by the electronic lock to the charging controller when the charging plug is plugged into the input end of the device to be charged; the third receiving end of the monitoring unit is connected with the forwarding end of the temperature detector, and the monitoring unit is used for forwarding the temperature electric signal sent by the temperature detector to the charging controller when the charging plug is plugged into the input end of the device to be charged. The communication between the connecting equipment, the equipment to be charged and the power supply end equipment is realized, the number of signal lines is reduced, the abrasion of the signal lines is reduced, and the charging safety and convenience are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a first circuit diagram of a first embodiment of a charging monitoring circuit according to the present invention;
fig. 2 is a second schematic circuit diagram of the first embodiment of the charging monitoring circuit of the present invention;
fig. 3 is a schematic circuit diagram of a second embodiment of the charging monitoring circuit of the present invention;
fig. 4 is a schematic circuit diagram of a third embodiment of the charging monitoring circuit of the present invention;
fig. 5 is a schematic circuit diagram of a fourth embodiment of the charging monitoring circuit of the present invention.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
T1～T3 First to third communication lines 100 Monitoring unit
DC DC power line 200 Electronic lock
PE Equipment ground wire 300 Temperature detector
A Auxiliary power line 301 Temperature sensor
CC1 First charging connection confirmation line 302 Temperature control sensor
CC2 Second charging connection confirmation line S Switch with a switch body
R1～R2 First to second resistors CAN-H First charging communication line
CAN-L Second charging communication line
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a first circuit schematic diagram of a first embodiment of a charging monitoring circuit according to the present invention; fig. 2 is a second schematic circuit diagram of the first embodiment of the charging monitoring circuit of the present invention; in this embodiment, the charging monitoring circuit includes a monitoring unit 100, an electronic lock 200, and a temperature detector 300, the temperature detector 300 is disposed at a charging plug (not shown in the drawings, but not affecting the explanation of the embodiment), an input end of the charging plug is connected to a charging power source, and the charging plug can be plugged into an input end of a device to be charged (not shown in the drawings, but not affecting the explanation of the embodiment).
It is easy to understand that the charging system includes a power supply terminal device, a connection device, and a device to be charged. The connecting device can be a charging gun (including a direct current charging gun or an alternating current charging gun), a charging socket, a vehicle-mounted connector and the like. Need connect in the equipment for the connection and reach more than ten signal lines to power supply unit and realize corresponding function usually, increased the complexity of charging wire, in the charging process, the charging wire that connecting device need pull out to insert is too much, can increase the risk of cable wearing and tearing, rupture. It is therefore desirable to reduce the number of signal lines for output in the circuit connecting the devices.
It should be noted that, the utility model discloses a solve above-mentioned technical problem and set up monitoring unit 100 in the circuit of jointing equipment for receive the signal that each device sent in the jointing equipment and the signal that the charging apparatus feedbacks, unified by monitoring unit 100 handles and forwards the charge controller.
The first receiving end of the monitoring unit 100 is connected to the feedback end of the charging plug, and the monitoring unit is configured to forward a charging connection confirmation signal sent by the device to be charged to a charging controller (not shown in the figure, but does not affect the explanation of the embodiment) when the charging plug is plugged into the input end of the device to be charged.
It should be noted that the charging controller is located in a power supply end device or a device to be charged. The power supply end equipment can be for filling electric pile or alternating current power supply, the equipment of waiting to charge can be the vehicle. The monitoring unit 100 obtains the electric signal related to charging and uniformly sends the electric signal to the charging controller, so that communication between the power supply end device and the connecting device or between the connecting device and the device to be charged and between the power supply end device and the device to be charged is realized. In the concrete implementation, can realize filling the communication of electric pile and the rifle that charges or the communication of the rifle and the vehicle that charges, fill the communication of electric pile and vehicle. Otherwise, the monitoring unit 100 may be controlled by a charging controller, and the monitoring unit 100 receives a corresponding control signal to control the temperature detector and the electronic lock.
It should be noted that, the charging monitoring circuit includes a first charging connection confirmation line CC1 and a second charging connection confirmation line CC2, a second end of the first charging connection confirmation line CC1 is connected to the feedback end of the charging plug, a first end of the first charging connection confirmation line CC1 is connected to the monitoring unit 100, and the first charging connection confirmation line CC1 is further connected to the device ground PE through a first resistor R1 and a switch S. A second terminal of the second charging connection confirmation line CC1 is connected to the feedback terminal of the charging plug, a first terminal of the second charging connection confirmation line CC1 is connected to the monitoring unit 100, and the second charging connection confirmation line CC1 is further connected to the device ground PE through a second resistor R2.
It is easy to understand that the charging connection confirmation line is used for transmitting a charging connection confirmation signal fed back by the device to be charged to the monitoring unit 100 when the charging plug is plugged into the input terminal of the device to be charged. The first resistor R1 and the second resistor R2 are protection resistors.
The second receiving end of the monitoring unit 100 is connected to the driving and signal feedback end of the electronic lock 200, and the monitoring unit 100 is configured to forward the electronic lock signal fed back by the electronic lock 200 to the charging controller when the charging plug is plugged into the input end of the device to be charged.
It should be noted that the electronic lock 200 is configured to lock the charging plug and the device to be charged when the charging plug is plugged into the input end of the device to be charged.
In specific implementation, the charging plug may be loosened during the charging process, and in order to ensure the tight connection between the charging plug and the device to be charged, the charging plug and the device to be charged are locked by the electronic lock 200. Referring to fig. 2, the second receiving end of the monitoring unit 100 is connected to the driving and signal feedback end of the electronic lock 200 through three lines, which include two power lines (respectively connected to the positive electrode and the negative electrode) of the electronic lock and a signal feedback line for feeding back the electronic lock signal to the monitoring unit 100. The electronic lock signal includes status information of the electronic lock 200, such as: the electronic lock is in a locking state, and the electronic lock is in an opening state. The monitoring unit 100 can also receive the control of the charge controller, and output a corresponding instruction through the signal feedback line to drive the electronic lock 200 to lock or unlock.
The third receiving end of the monitoring unit 100 is connected to the forwarding end of the temperature detector 300, and the monitoring unit 100 is configured to forward the temperature electrical signal sent by the temperature detector 300 to the charging controller when the charging plug is plugged into the input end of the device to be charged.
It should be noted that the monitoring unit 100 is further configured to convert the temperature electrical signal sent by the temperature sensor 300 into an alarm signal and send the alarm signal to the charging controller when the temperature of the charging plug is greater than a safe temperature.
It should be noted that, referring to fig. 2, the temperature detector 300 includes a temperature sensor 301 and a temperature control sensor 302, the temperature sensor 301 is disposed at the positive pole of the charging plug, the temperature control sensor 302 is disposed at the negative pole of the charging plug, and the temperature sensor 301 and the temperature control sensor 302 have independent signal lines connected to the monitoring unit 100. Meanwhile, a common signal line is connected to the monitoring unit 100. Temperature sensor 301 detects charging plug's anodal temperature, and temperature control sensor 302 detects charging plug's negative pole temperature, the monitor cell 100 all sends anodal temperature signal and negative pole temperature signal to the charge controller, and when positive negative temperature difference reached and predetermine safe temperature difference, the monitor cell 100 control temperature control sensor 302 adjusts charging plug's positive negative temperature difference. The temperature of the charging plug is monitored in the charging process, and the charging plug is prevented from being overhigh in temperature.
It should be noted that, when the temperature of the charging plug is higher than the safety temperature, an alarm signal is sent to the charging controller, and meanwhile, the monitoring unit 100 may control the electronic lock 200 to unlock, so that the charging plug and the device to be charged are disconnected, damage to the device to be charged due to an excessively high temperature is prevented, and the service life of the device to be connected is prolonged.
It is easy to understand that the temperature detector is used for real-time detection, and the monitoring unit 100 is used for real-time monitoring of status information of each device in the charging monitoring circuit and real-time communication with the device to be charged and the power supply terminal device. And receiving an instruction sent by a charging controller in the equipment to be charged or the power supply end equipment, and controlling devices in the charging monitoring circuit in real time according to the instruction.
The charging monitoring circuit further includes a charging communication line, a sending end of the monitoring unit 100 is connected to the charging communication line, and the monitoring unit 100 forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller through the charging communication line.
It should be noted that the charging communication line specifically includes a first charging communication line CAN-H and a second charging communication line CAN-L, which are used for receiving and transmitting signals, respectively. By connecting the monitoring unit 100 to the charging communication line, the CAN communication in the existing circuit is multiplexed, and the communication between the charging gun and the charging controller is realized by adopting a format, a protocol, a baud rate or one of the formats, the protocols and the baud rates different from those of the communication between the device to be charged and the power supply end device, so that the device to be charged CAN be clearly identified. Thus, only a power line (in the embodiment, a direct current power line DC is taken as an example for explanation, and fig. 1 or fig. 2 is referred to) and an auxiliary power line a, a CAN communication line, and a signal line are required between the connection device and the device to be charged. The monitoring unit can perform part of functions of the charging controller including but not limited to protocol conversion and protocol processing functions; and the control and state acquisition of the electronic lock, the acquisition of temperature signals, the acquisition of charging connection confirmation signals and other monitoring items are realized to be communicated with the charging controller. In specific implementation, no matter what communication mode is adopted for communication with the charging controller, partial functions of the charging controller (charging pile) are processed and then communicated with the charged equipment, and the control function and the protocol conversion function of partial charging piles are achieved.
The charging monitoring circuit further comprises an auxiliary power line a, a fourth receiving end of the monitoring unit 100 is connected to the auxiliary power line a, and the auxiliary power line a is used for transmitting power supply electric energy for the monitoring unit 100. Referring to fig. 2, a + and a-in fig. 2 correspond to the auxiliary power line connected to the positive electrode and the auxiliary power line connected to the negative electrode, respectively.
It should be noted that the auxiliary power supply may directly obtain power from a power circuit in some application scenarios, such as a dc power supply or an ac power supply, and in specific implementation, the auxiliary power supply generally requires separate power supply for logic reasons in the application of the charging gun.
The electronic lock is driven to be locked according to the instruction of the charging pile, and an electronic lock signal fed back by the electronic lock is forwarded to the charging controller; the monitoring unit is used for forwarding the temperature electric signal sent by the temperature detector to the charging controller when the charging plug is plugged into the input end of the device to be charged. When the charging gun is provided with other parts needing monitoring, the monitoring unit can be accessed to realize the monitoring function.
Furthermore, partial functions of the charging pile can be executed by the monitoring unit, and the design of the charging pile is simplified. Can will remove the function that the part does not rely on charging stake itself and put this unit and accomplish, fill electric pile like this and accomplish power conversion and measurement and protect function with regard to full time, other functions are accomplished by this unit before the car stake. When standard upgrading or other need the stake coordinate type maintenance, can only upgrade the rifle that charges can, simplify and fill electric pile upgrade management.
The embodiment of the utility model provides a through set up the monitoring unit in the circuit of jointing equipment, reduced the required signal line quantity of jointing equipment for jointing equipment can handle the relevant signal that charges, and will handle the signal after and forward to charge controller, has realized jointing equipment and has treated the communication between battery charging outfit, the feeder end equipment, has reduced signal line quantity, reduces signal line wearing and tearing, promotes the security and the convenience of charging.
Based on the utility model discloses the first embodiment of monitoring circuit charges provides the utility model discloses monitoring circuit second embodiment charges refers to fig. 3, and fig. 3 is the utility model relates to a circuit schematic diagram of monitoring circuit second embodiment charges.
The charging monitoring circuit further comprises a device ground wire and a first communication wire PE; the sending end of the monitoring unit 100 is connected to the device ground PE and the first communication line T1, and the monitoring unit 100 forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller through the first communication line T1 and the device ground PE.
In this embodiment, a single signal line, i.e., the first communication line T1, is separately provided, and the communication line and the device ground PE form a communication loop with the charging controller to perform related communication.
Based on the first embodiment, the first communication line T1 and the device ground PE adopt a format, a protocol, a baud rate or one of them different from those of the device to be charged and the power supply end device.
This embodiment sets up the communication line alone through multiplexing equipment ground wire PE, has reduced the signal line quantity between jointing equipment and the power supply end equipment among the prior art, has promoted signal transmission's efficiency, reduces signal line wearing and tearing, promotes the security and the convenience of charging.
Based on the utility model discloses charge monitoring circuit second embodiment, provide the utility model discloses charge monitoring circuit third embodiment, refer to fig. 4, fig. 4 does the utility model discloses charge monitoring circuit third embodiment's circuit schematic diagram.
The charging monitoring circuit further includes a second communication line T2 and a third communication line T3, a transmitting end of the monitoring unit 100 is connected to the second communication line T2 and the third communication line T3, and the monitoring unit 100 forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller through the second communication line T2 and the third communication line T3.
It should be noted that, in the present embodiment, a group of communication lines is separately provided for the monitoring unit 100, and is used for transmitting and receiving signals.
In this embodiment, a set of communication lines is separately provided for the monitoring unit 100, so that the number of signal lines is reduced, the abrasion of the signal lines is reduced, and the charging safety and convenience are improved.
Based on the utility model discloses the first embodiment of monitoring circuit charges provides the utility model discloses the fourth embodiment of monitoring circuit charges refers to fig. 5, and fig. 5 is the utility model discloses the circuit schematic diagram of the fourth embodiment of monitoring circuit charges.
The monitoring unit 100 further comprises a wireless communication subunit 101, and the wireless communication subunit 101 is configured to forward the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller.
It should be noted that the wireless communication subunit 101 can perform wireless communication with the charging controller. In the specific implementation, a single monitoring unit is arranged in the charging gun (in the embodiment, the charging gun is used as a connection device for explanation), and the charging related information acquisition and control in the charging gun are integrated on the monitoring unit. The monitoring unit 100 uploads the collected information to the charging pile, executes a series of operations according to the instruction of the charging pile, and automatically executes a part of functions of the charging pile according to the requirement. The monitoring unit 100 can receive more sampling control signals, and more accurate control is achieved. Meanwhile, intelligent functions such as man-machine communication, gun and vehicle wireless communication, automatic charging positioning and the like can be expanded at the charging gun end. The utility model discloses do not restrict this. The monitoring unit 100 may be configured to convert the communication of the charging pile into a communication signal required by a corresponding vehicle end to implement the vehicle pile communication. For example, it is not the communication of standard car end that the rifle charges to fill electric pile, or fill electric pile output not the CAN signal, etc. under the circumstances, the rifle control panel that charges CAN also act as the function of protocol conversion to the development degree of difficulty that fills electric pile is reduced by a wide margin.
This embodiment is through setting up wireless communication subunit 101 in monitor cell 100, makes the utility model discloses a monitoring circuit that charges has more functions, converts wired communication into wireless communication and has reduced signal line quantity, can carry out more function expansions to connecting device simultaneously, promotes connecting device's intelligence, promotes user's use and experiences.
Furthermore, in order to realize the above object, the utility model discloses still provide a battery charging outfit.
The charging equipment can be a charging gun, and the charging gun is a direct current charging gun or an alternating current charging gun; the charging device may also be a charging socket or an onboard connector.
Since the charging device adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
Furthermore, in order to achieve the above object, the present invention also provides a charging system.
The charging system comprises the charging monitoring circuit, the power supply end equipment and the equipment to be charged. The power supply end equipment or the equipment to be charged comprises a charging controller, and the charging monitoring circuit forwards a charging signal to the charging controller.
Since the charging device adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in the specific application, those skilled in the art can set the solution as required, and the present invention is not limited thereto.
It should be noted that the above-described work flow is only illustrative, and does not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to practical needs, and the present invention is not limited herein.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A charge monitoring circuit, comprising: the temperature detector is arranged at a charging plug, the input end of the charging plug is connected with a charging power supply, and the charging plug can be plugged into the input end of equipment to be charged;
the first receiving end of the monitoring unit is connected with the feedback end of the charging plug, and the monitoring unit is used for forwarding a charging connection confirmation signal sent by the device to be charged to a charging controller when the charging plug is plugged into the input end of the device to be charged;
the second receiving end of the monitoring unit is connected with the driving and signal feedback end of the electronic lock, and the monitoring unit is used for forwarding an electronic lock signal fed back by the electronic lock to the charging controller when the charging plug is plugged into the input end of the device to be charged;
the third receiving end of the monitoring unit is connected with the forwarding end of the temperature detector, and the monitoring unit is used for forwarding the temperature electric signal of the temperature detector to the charging controller when the charging plug is plugged into the input end of the device to be charged.
2. The charging monitoring circuit of claim 1, further comprising a charging communication line, wherein a sending end of the monitoring unit is connected to the charging communication line, and wherein the monitoring unit forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller via the charging communication line.
3. The charge monitoring circuit of claim 1, further comprising a device ground and a first communication line; the sending end of the monitoring unit is connected with the equipment ground wire and the first communication wire, and the monitoring unit forwards the electronic lock signal, the temperature electric signal and the charging connection confirmation signal to the charging controller through the first communication wire and the equipment ground wire.
4. The charging monitoring circuit of claim 1, further comprising a second communication line and a third communication line, wherein a transmitting end of the monitoring unit is connected to the second communication line and the third communication line, and the monitoring unit forwards the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller via the second communication line and the third communication line.
5. The charge monitoring circuit of claim 1, wherein the monitoring unit further comprises a wireless communication subunit configured to forward the electronic lock signal, the temperature electrical signal, and the charging connection confirmation signal to the charging controller.
6. The charge monitoring circuit according to any one of claims 1-5, further comprising an auxiliary power line to which the fourth receiving terminal of the monitoring unit is connected, the auxiliary power line being configured to transmit power for the monitoring unit.
7. The charge monitoring circuit according to any one of claims 1 to 5, wherein the electronic lock is configured to lock the charging plug and the device to be charged when the charging plug is plugged into the input terminal of the device to be charged.
8. The charge monitoring circuit according to any one of claims 1-5, wherein the monitoring unit is further configured to convert a temperature electrical signal sent by the temperature detector into an alarm signal and send the alarm signal to the charge controller when the temperature of the charging plug is greater than a safe temperature.
9. A charging device, characterized in that it comprises a charge monitoring circuit according to any one of claims 1-8.
10. A charging system comprising a power supply device, a device to be charged, and a charge monitoring circuit according to any one of claims 1 to 8.
CN202020140876.7U 2020-01-21 2020-01-21 Charging monitoring circuit, charging equipment and system Active CN211844110U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071464A (en) * 2022-07-13 2022-09-20 深圳市优优绿能股份有限公司 Charger controller supporting multi-standard charging interface and charger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071464A (en) * 2022-07-13 2022-09-20 深圳市优优绿能股份有限公司 Charger controller supporting multi-standard charging interface and charger

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