CN109660004B - OBD charging voltage adjusting method, device and system - Google Patents
OBD charging voltage adjusting method, device and system Download PDFInfo
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Abstract
The application discloses an OBD charging voltage adjusting method, device and system, wherein the method comprises the following steps: by collecting the initial voltage, when the collected initial voltage is in a preset voltage value range, switching a current charging circuit for charging the OBD equipment into a quick charging circuit; receiving a loading voltage of the quick charging circuit, and reading a voltage peak value of an output voltage of the quick charging circuit when a voltage value corresponding to the loading voltage changes monotonously in a preset time period; and adjusting the charging voltage receiving range of the OBD equipment according to the voltage peak value. Compared with the prior art, the method for switching the charging circuit according to the received charging voltage and adjusting the voltage receiving range of the OBD device according to the voltage peak value of the charging circuit is adopted, the problem that common charging and rapid charging of the OBD device are incompatible is solved, various rapid chargers are compatible, the situation that the charging voltage input into the OBD device is not matched with the OBD device is avoided, and the damage risk of the OBD device is reduced.
Description
Technical Field
The application relates to the technical field of vehicle-mounted OBD, in particular to an OBD charging voltage adjusting method, device and system.
Background
Traditional OBD equipment generally carries out ordinary charging through 12V's OBD interface that charges, nevertheless because the function of OBD equipment is more and more perfect, leads to corresponding power consumption also more and more big, consequently if adopt traditional charge mode to charge, need the longer time just can reach the start electric quantity, and OBD equipment can't work during this period, leads to the car theftproof security to reduce.
In order to solve the problems, a rapid charging interface needs to be arranged for the OBD device, so that the OBD device can be conveniently and rapidly charged. However, if the rapid charging is used, the OBD device needs to be pulled out from the OBD charging interface, only by the rapid charging, and after the OBD device is pulled out, the problems of data loss and key data loss of the automobile OBD can be caused. In addition, the fast chargers on the market are various, and how to be compatible with the fast chargers is also a problem.
Disclosure of Invention
The technical problem to be solved by the embodiment of the application is how to avoid overlarge current input into the OBD device when the OBD device is compatible with common charging and quick charging and various quick chargers.
In order to solve the foregoing problem, an embodiment of the present application provides an OBD charging voltage adjustment method, which is adapted to be executed in a computing device, and includes at least the following steps:
collecting initial voltage, and switching a current charging circuit for charging the OBD equipment into a quick charging circuit when the collected initial voltage is in a preset voltage value range;
receiving a loading voltage of the quick charging circuit, and judging whether the receiving time length of the loading voltage is less than a preset time length; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period;
and adjusting the voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter according to the voltage peak value so as to enable the charging voltage receiving range of the analog-to-digital converter to be matched with the voltage peak value, thereby adjusting the charging voltage receiving range of the OBD equipment.
Further, gather initial voltage, when gathering initial voltage is in predetermineeing the magnitude of voltage scope, will be the current charging circuit switching of OBD equipment charging for quick charge circuit, specifically do:
acquiring initial voltage, and judging whether the initial voltage is in a preset voltage value range or not; if so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit;
and if not, taking the OBD charging circuit as the current charging circuit, and disconnecting the quick charging circuit.
Further, still provide an OBD charging voltage adjusting device, include:
the circuit switching module is used for acquiring initial voltage and switching a current charging circuit for charging the OBD equipment into a quick charging circuit when the acquired initial voltage is in a preset voltage value range;
the voltage detection module is used for receiving the loading voltage of the quick charging circuit and judging whether the receiving time length of the loading voltage is lower than a preset time length or not; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period;
and the voltage adjusting module is used for adjusting the voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter according to the voltage peak value so as to enable the charging voltage receiving range of the analog-to-digital converter to be matched with the voltage peak value, and thus the charging voltage receiving range of the OBD equipment is adjusted.
Further, the circuit switching module is specifically configured to:
acquiring initial voltage, and judging whether the initial voltage is in a preset voltage value range or not; if so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit;
and if not, taking the OBD charging circuit as the current charging circuit, and disconnecting the quick charging circuit.
Further, still provide an OBD charging voltage adjustment system, include: the system comprises a quick charging circuit, an OBD charging circuit, an analog-to-digital converter, a power supply controller and a main control chip;
the rapid charging circuit is connected with the OBD charging circuit and the power supply controller;
the OBD charging circuit is connected with the analog-to-digital converter and the power supply controller;
the anode and the cathode of the analog-to-digital converter are respectively connected with the main control chip;
the power controller is connected with the main control chip;
the main control chip is used for acquiring initial voltage received by the analog-to-digital converter from the OBD charging circuit, and switching a current charging circuit for charging the OBD equipment to the rapid charging circuit through the power supply controller when the acquired initial voltage is in a preset voltage value range;
receiving the loading voltage of the quick charging circuit through the power supply controller, and judging whether the receiving time of the loading voltage is lower than a preset time; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period; and
and adjusting the charging voltage receiving range of the OBD equipment according to the voltage peak value.
Further, the main control chip is specifically configured to:
collecting the initial voltage from the anode and the cathode of the analog-to-digital converter, and judging whether the initial voltage is in a preset voltage value range; if so, taking the rapid charging circuit as the current charging circuit through the power controller, and disconnecting the OBD charging circuit through the power controller;
otherwise, the OBD charging circuit is used as the current charging circuit through the power controller, and the rapid charging circuit is disconnected through the power controller.
The embodiment of the application has the following beneficial effects:
the embodiment of the application provides an OBD charging voltage adjusting method, an OBD charging voltage adjusting device and an OBD charging voltage adjusting system, wherein the method comprises the following steps: by collecting the initial voltage, when the collected initial voltage is in a preset voltage value range, switching a current charging circuit for charging the OBD equipment into a quick charging circuit; receiving a loading voltage of the quick charging circuit, and reading a voltage peak value of an output voltage of the quick charging circuit when a voltage value corresponding to the loading voltage changes monotonously in a preset time period; and adjusting the charging voltage receiving range of the OBD equipment according to the voltage peak value. Compared with the prior art, the method for switching the charging circuit according to the received charging voltage and adjusting the voltage receiving range of the OBD device according to the voltage peak value of the charging circuit is adopted, the problem that the common charging and the quick charging of the OBD device are incompatible is solved, the automatic switching between the quick charging and the common charging is realized, when the quick charging is switched, the method can be compatible with various quick chargers, the situation that the charging voltage input into the OBD device is not matched with the OBD device is avoided, the damage risk of the OBD device is further reduced, and meanwhile, the quick charger matched with the OBD device does not need to be customized.
Drawings
Fig. 1 is a schematic flowchart of an OBD charging voltage adjustment method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an OBD charging voltage adjustment apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an OBD charging voltage adjustment system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and 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.
Please refer to fig. 1.
Referring to fig. 1, which is a schematic flowchart of an OBD charging voltage adjustment method according to an embodiment of the present disclosure, as shown in fig. 1, the charging voltage adjustment method includes steps S11 to S13. The method comprises the following steps:
and step S11, acquiring initial voltage, and switching the current charging circuit for charging the OBD equipment into a quick charging circuit when the acquired initial voltage is in a preset voltage value range.
Step S12, receiving the loading voltage of the fast charging circuit, detecting whether the value change of the loading voltage is monotonous within a preset time, and reading the voltage peak of the output voltage of the fast charging circuit after detecting that the value change is monotonous.
And step S13, adjusting the charging voltage receiving range of the OBD device according to the voltage peak value.
For step S11, specifically, an initial voltage is collected, and it is determined whether the initial voltage is within a preset voltage value range. If so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit; otherwise, the OBD charging circuit is used as the current charging circuit, and the quick charging circuit is disconnected.
In this embodiment, by determining whether the initial voltage is less than 0, if yes, the fast charging circuit is started, and the OBD charging circuit, that is, the 12V charging circuit, is turned off; and if the initial voltage is greater than 0, starting the OBD charging circuit and disconnecting the quick charging circuit.
For step S12, specifically, the loading voltage of the fast charging circuit is received, and it is determined whether the receiving time period of the loading voltage is shorter than the preset time period. And if so, receiving the loading voltage again until the receiving time length is higher than a preset time length. Otherwise, detecting whether the value of the loading voltage continuously drops within a preset time period. If so, reading the voltage peak value of the output voltage of the quick charging circuit; otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within a preset time period.
In this embodiment, if the current charging circuit is a fast charging circuit, it is detected whether the continuous receiving time of the loading voltage exceeds 1.25 seconds according to an OBD device enable fast charging protocol, and if not, the loading voltage is received again until the continuous receiving time of the loading voltage exceeds 1.25 seconds. In this embodiment, the applied voltage is 0.325V.
And after the continuous receiving time of the loading voltage exceeds 1.25 seconds, detecting whether the loading voltage of 0.325V continuously drops for at least 1 millisecond, and if the loading voltage does not continuously drop for 1 millisecond, continuously detecting the change of the voltage value corresponding to the loading voltage until the voltage value of the loading voltage continuously drops for more than 1 millisecond from 0.325V. When the voltage value of the loading voltage of 0.325V is detected to continuously drop for 1 millisecond, the voltage peak value of the output voltage of the quick charging circuit is read.
In step S13, specifically, the voltage receiving upper limit of the positive electrode and the negative electrode of the analog-to-digital converter is adjusted according to the voltage peak value, so that the charging voltage receiving range of the analog-to-digital converter matches the voltage peak value, thereby adjusting the charging voltage receiving range of the OBD device.
As a preferable example of this embodiment, if the voltage peak value of the output voltage is 5V, the positive electrode voltage of the analog-to-digital converter is adjusted to 0.6V, and the negative electrode voltage is adjusted to 0V; if the voltage peak value of the output voltage is 9V, adjusting the voltage of the anode of the analog-to-digital converter to be 3.3V, and adjusting the voltage of the cathode of the analog-to-digital converter to be 0.6V; if the voltage peak value of the output voltage is 12V, adjusting the voltage of the anode of the analog-to-digital converter to be 0.6V, and adjusting the voltage of the cathode of the analog-to-digital converter to be 0.6V; if the voltage peak value of the output voltage is 20V, the anode voltage of the analog-to-digital converter is adjusted to be 3.3V, and the cathode voltage of the analog-to-digital converter is adjusted to be 3.3V. The voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter is adjusted in real time, so that the compatibility with various quick charging circuits is realized.
The embodiment of the application provides an OBD charging voltage adjusting method, which comprises the steps of collecting initial voltage, and switching a current charging circuit for charging an OBD device into a quick charging circuit when the collected initial voltage is in a preset voltage value range; receiving a loading voltage of the quick charging circuit, and reading a voltage peak value of an output voltage of the quick charging circuit when a voltage value corresponding to the loading voltage changes monotonously in a preset time period; and adjusting the charging voltage receiving range of the OBD equipment according to the voltage peak value. Compared with the prior art, the method has the advantages that the charging circuit is switched according to the received charging voltage, the voltage receiving range of the OBD device is adjusted according to the voltage peak value of the charging circuit, the problem that the common charging and the quick charging of the OBD device are incompatible is solved, the automatic switching between the quick charging and the common charging is realized, when the OBD device is switched to be the quick charging, various quick chargers can be compatible, the situation that the charging voltage input into the OBD device is not matched with the OBD device is avoided, the damage risk of the OBD device is further reduced, and meanwhile, the quick charger matched with the OBD device does not need to be customized.
Please refer to fig. 2.
Referring to fig. 2, a schematic structural diagram of an OBD charging voltage adjustment apparatus according to an embodiment of the present disclosure includes:
the circuit switching module 101 is configured to collect an initial voltage, and switch a current charging circuit for charging the OBD device to a fast charging circuit when the collected initial voltage is within a preset voltage value range.
In this embodiment, the circuit switching module 101 is specifically configured to collect an initial voltage and determine whether the initial voltage is within a preset voltage value range. If so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit; otherwise, the OBD charging circuit is used as the current charging circuit, and the quick charging circuit is disconnected.
The voltage detection module 102 is configured to receive a loading voltage of the fast charging circuit, detect whether a value change of the loading voltage is monotonous within a preset time, and read a voltage peak of an output voltage of the fast charging circuit after detecting that the value change is monotonous.
In this embodiment, the voltage detection module 102 is specifically configured to receive a loading voltage of the fast charging circuit, and determine whether a receiving duration of the loading voltage is shorter than a preset duration. And if so, receiving the loading voltage again until the receiving time length is higher than a preset time length. Otherwise, detecting whether the value of the loading voltage continuously drops within a preset time period. If so, reading the voltage peak value of the output voltage of the quick charging circuit; otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within a preset time period.
And the voltage adjusting module 103 is configured to adjust a charging voltage receiving range of the OBD device according to the voltage peak value.
In this embodiment, the voltage adjusting module 103 is specifically configured to adjust the voltage receiving upper limit of the positive electrode and the negative electrode of the analog-to-digital converter according to the voltage peak value, so that the charging voltage receiving range of the analog-to-digital converter matches the voltage peak value, thereby adjusting the charging voltage receiving range of the OBD device.
The embodiment of the application provides an OBD charging voltage adjusting device, adopted according to the received charging voltage switching charging circuit, and according to the method of charging circuit's voltage peak value adjustment OBD equipment's voltage reception scope, the incompatible problem of ordinary charging and quick charge of OBD equipment has been overcome, realize quick charge and the automatic switch-over of ordinary charging, when switching over for quick charge, can compatible multiple quick charger, avoid the charging voltage of input OBD equipment to mismatch with OBD equipment, and then reduced the damage risk of OBD equipment, need not to customize simultaneously and OBD equipment assorted quick charger.
Please refer to fig. 3.
An embodiment of the present application provides a schematic structural diagram of an OBD charging voltage adjustment system, including: the device comprises a quick charging circuit 201, an OBD charging circuit 202, an analog-to-digital converter 203, a power supply controller 204 and a main control chip 205.
The fast charge circuit 201 is connected to the OBD charge circuit 202 and the power controller 204. The OBD charging circuit 202 is connected to an analog-to-digital converter 203 and a power controller 204. The anode and the cathode of the analog-to-digital converter 203 are respectively connected with the main control chip 205. The power controller 204 is connected to the main control chip 205.
The main control chip 205 is configured to collect an initial voltage received by the analog-to-digital converter 203 from the OBD charging circuit 202, and switch a current charging circuit for charging the OBD device to the fast charging circuit 201 through the power controller when the collected initial voltage is within a preset voltage value range; receiving the loading voltage of the fast charging circuit 201 through the power controller 204, detecting whether the value change of the loading voltage is monotonous change within a preset time, and reading the voltage peak value of the output voltage of the fast charging circuit 201 after detecting that the value change is monotonous change; and adjusting the charging voltage receiving range of the OBD device according to the voltage peak value.
Specifically, the initial voltage is collected from the positive and negative electrodes of the analog-to-digital converter 203, and whether the initial voltage is within the preset voltage value range is determined. If yes, the power controller 204 takes the fast charging circuit 201 as the current charging circuit, and the power controller 204 disconnects the OBD charging circuit 202. Otherwise, the OBD charging circuit 202 is taken as the current charging circuit by the power controller 204, and the fast charging circuit 201 is turned off by the power controller 204.
In this embodiment, when the OBD interface or the fast charging interface is inserted, the I/O interface of the power controller 204 receives a voltage signal input, and at this time, the power controller 204 sends a corresponding voltage signal to the main control chip 205 through the pin 4. The main control chip sends a corresponding control signal to the power controller 204 through Y1 according to the received voltage signal, so that the power controller 204 controls the switching between the fast charging circuit 201 and the OBD charging circuit 202.
In this embodiment, the main control chip 205 determines whether the voltages received by the pins 6 and 7 from the positive and negative electrodes of the analog-to-digital converter 203 are less than 0, and if the voltages are less than 0, the fast charging circuit 201 is started, and the OBD charging circuit 201 is turned off. If greater than 0, the OBD charging circuit 202 is enabled while the fast charging circuit 201 is turned off.
In this embodiment, when the fast charge circuit 201 is selected to be activated, the internal switch of pin 7 of the power controller 204 is turned off, thereby activating the fast charge circuit 201. When the OBD charging circuit 202 is selected to be started, the power controller 204 sends a control signal to the pin 3 of the OBD charging circuit 202 through the pin 7, so that the MOS field transistor inside the OBD charging circuit 202 is turned on, and thus, the OBD charging circuit starts to operate.
In this embodiment, after the fast charging circuit 201 is started, according to the OBD device enable fast charging protocol, it is detected whether the continuous receiving time of the loading voltage sent by the fast charging circuit 201 exceeds 1.25 seconds, and if not, the loading voltage is received again until the continuous receiving time of the loading voltage exceeds 1.25 seconds. In this embodiment, the applied voltage is 0.325V.
In this embodiment, the positive polarity ADC + (D +) and the negative polarity ADC- (D-) of the ADC 203 are shorted by MOS by default. When the continuous receiving time of the loading voltage exceeds 1.25 seconds, the main control chip 205 disconnects the short circuit of the positive pole ADC + (D +) and the negative pole ADC- (D-) of the analog-to-digital converter 203, so that the voltage on the ADC- (D-) does not follow the voltage on the ADC + (D +) to change by 0.325V, and then the voltage starts to drop. Whether the loading voltage of 0.325V continuously drops for at least 1 millisecond is detected, if not, the change of the voltage value corresponding to the loading voltage is continuously detected until the voltage value of the loading voltage continuously drops for more than 1 millisecond from 0.325V. When the voltage value of the loading voltage of 0.325V is detected to continuously drop for 1 millisecond, the voltage peak value of the output voltage of the quick charging circuit 201 stored in the register in the main control chip 205 is read.
As a preferable example of this embodiment, if the voltage peak value of the output voltage is 5V, the positive electrode voltage of the analog-to-digital converter is adjusted to 0.6V, and the negative electrode voltage is adjusted to 0V; if the voltage peak value of the output voltage is 9V, adjusting the voltage of the anode of the analog-to-digital converter to be 3.3V, and adjusting the voltage of the cathode of the analog-to-digital converter to be 0.6V; if the voltage peak value of the output voltage is 12V, adjusting the voltage of the anode of the analog-to-digital converter to be 0.6V, and adjusting the voltage of the cathode of the analog-to-digital converter to be 0.6V; if the voltage peak value of the output voltage is 20V, the anode voltage of the analog-to-digital converter is adjusted to be 3.3V, and the cathode voltage of the analog-to-digital converter is adjusted to be 3.3V.
The quick charging circuit compatible with various peak values is realized by adjusting the voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter in real time.
The embodiment of the application provides a pair of OBD charging voltage adjustment system, realize the switching to quick charge circuit and OBD charging circuit through main control chip, and utilize the voltage peak value of charging circuit to adjust the voltage receiving range of OBD equipment, the ordinary problem of charging and quick charge incompatibility of OBD equipment has been overcome, realize quick charge and the automatic switch-over of ordinary charging, when switching over for quick charge, can compatible multiple quick charger, avoid the charging voltage of input OBD equipment to mismatch with OBD equipment, and then reduced the damage risk of OBD equipment, need not to customize simultaneously with OBD equipment assorted quick charger.
Yet another embodiment of the present application further provides an OBD charging voltage adjustment terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, the OBD charging voltage adjustment method according to the foregoing embodiment is implemented.
The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program, which may be stored in a computer readable storage medium and executed by a computer to implement the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Claims (6)
1. An OBD charging voltage adjusting method is characterized by at least comprising the following steps:
collecting initial voltage, and switching a current charging circuit for charging the OBD equipment into a quick charging circuit when the collected initial voltage is in a preset voltage value range;
receiving a loading voltage of the quick charging circuit, and judging whether the receiving time length of the loading voltage is less than a preset time length; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period;
and adjusting the voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter according to the voltage peak value so as to enable the charging voltage receiving range of the analog-to-digital converter to be matched with the voltage peak value, thereby adjusting the charging voltage receiving range of the OBD equipment.
2. The OBD charging voltage adjusting method according to claim 1, wherein the acquiring an initial voltage, and when the acquired initial voltage is within a preset voltage value range, switching a current charging circuit for charging an OBD device to a fast charging circuit, specifically:
acquiring initial voltage, and judging whether the initial voltage is in a preset voltage value range or not; if so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit;
and if not, taking the OBD charging circuit as the current charging circuit, and disconnecting the quick charging circuit.
3. An OBD charging voltage adjustment device, comprising:
the circuit switching module is used for acquiring initial voltage, and switching a current charging circuit for charging the OBD equipment into a quick charging circuit when the acquired initial voltage is within a preset voltage value range;
the voltage detection module is used for receiving the loading voltage of the quick charging circuit and judging whether the receiving time length of the loading voltage is lower than a preset time length or not; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period;
and the voltage adjusting module is used for adjusting the voltage receiving upper limit of the anode and the cathode of the analog-to-digital converter according to the voltage peak value so as to enable the charging voltage receiving range of the analog-to-digital converter to be matched with the voltage peak value, and thus the charging voltage receiving range of the OBD equipment is adjusted.
4. The OBD charging voltage adjustment device of claim 3, wherein the circuit switching module is specifically configured to:
acquiring initial voltage, and judging whether the initial voltage is in a preset voltage value range or not; if so, taking the quick charging circuit as the current charging circuit, and disconnecting the OBD charging circuit;
and if not, taking the OBD charging circuit as the current charging circuit, and disconnecting the quick charging circuit.
5. An OBD charging voltage adjustment system, comprising: the system comprises a quick charging circuit, an OBD charging circuit, an analog-to-digital converter, a power supply controller and a main control chip;
the rapid charging circuit is connected with the OBD charging circuit and the power supply controller;
the OBD charging circuit is connected with the analog-to-digital converter and the power supply controller;
the anode and the cathode of the analog-to-digital converter are respectively connected with the main control chip;
the power controller is connected with the main control chip;
the main control chip is used for acquiring initial voltage received by the analog-to-digital converter from the OBD charging circuit, and switching a current charging circuit for charging the OBD equipment to the rapid charging circuit through the power supply controller when the acquired initial voltage is in a preset voltage value range;
receiving the loading voltage of the quick charging circuit through the power supply controller, and judging whether the receiving time of the loading voltage is lower than a preset time; if so, re-receiving the loading voltage until the receiving time length is higher than the preset time length;
otherwise, detecting whether the value of the loading voltage continuously decreases within the preset time period; if so, reading a voltage peak value of the output voltage of the quick charging circuit;
otherwise, continuously detecting the value change of the loading voltage until the value of the loading voltage continuously decreases within the preset time period; and
and adjusting the charging voltage receiving range of the OBD equipment according to the voltage peak value.
6. The OBD charging voltage adjustment system of claim 5, wherein the master control chip is specifically configured to:
collecting the initial voltage from the anode and the cathode of the analog-to-digital converter, and judging whether the initial voltage is in a preset voltage value range; if so, taking the rapid charging circuit as the current charging circuit through the power controller, and disconnecting the OBD charging circuit through the power controller;
otherwise, the OBD charging circuit is used as the current charging circuit through the power controller, and the rapid charging circuit is disconnected through the power controller.
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| CN201910038860.7A CN109660004B (en) | 2019-01-15 | 2019-01-15 | OBD charging voltage adjusting method, device and system |
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| CN106992584A (en) * | 2017-05-27 | 2017-07-28 | 山东电洞网络科技有限公司 | Charging system and charging method |
| CN109131165A (en) * | 2018-09-28 | 2019-01-04 | 北京首汽智行科技有限公司 | A kind of vehicle power supply control apparatus |
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| US8188704B2 (en) * | 2009-04-28 | 2012-05-29 | At&T Intellectual Property I, L. P. | Methods, systems and products for managing energy consumption |
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| WO2014078203A1 (en) * | 2012-11-13 | 2014-05-22 | Mojo Mobility, Inc. | System and method for charging or powering devices, such as robots, electric vehicles, or other mobile devices or equipment |
| CN105449804A (en) * | 2016-01-31 | 2016-03-30 | 苏黎 | Mobile terminal power circuit and device |
| CN106300565A (en) * | 2016-10-26 | 2017-01-04 | 深圳市龙威盛电子科技有限公司 | Conversion equipment and the method for realization charging conversion thereof for quick charger |
| CN106992584A (en) * | 2017-05-27 | 2017-07-28 | 山东电洞网络科技有限公司 | Charging system and charging method |
| CN109131165A (en) * | 2018-09-28 | 2019-01-04 | 北京首汽智行科技有限公司 | A kind of vehicle power supply control apparatus |
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