CN113682142A - Wireless vehicle monitoring system - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention discloses a wireless vehicle monitoring system, which comprises a temperature detection module, a wireless monitoring module and a wireless monitoring module, wherein the temperature detection module is used for detecting a main control board temperature value of a main controller and sending the main control board temperature value to the main controller; the current and voltage detection monitoring module is used for detecting the operation working voltage and the working current of the power supply battery and sending the operation working voltage and the working current to the main controller; the wireless communication module is used for acquiring an external control instruction, sending the external control instruction to the main controller, executing the external control instruction through the motion control module, and sending data information acquired from the main controller to the outside; and the alarm module is used for sending an alarm signal after the corresponding numerical value exceeds the threshold range according to the preset temperature threshold range and the preset voltage and current threshold range, and the main controller correspondingly processes the trolley according to the alarm signal and a preset rule. The temperature and current and voltage detection module is arranged on the trolley and is transmitted to the main controller, the alarm module outputs alarm signals according to corresponding data to realize fault monitoring, and the wireless communication module acquires instructions to be executed by the motion control module.
Description
Technical Field
The invention relates to the technical field of cultivation equipment, in particular to a wireless vehicle monitoring system.
Background
Under the current technical situation, various intelligent unmanned electric vehicles are more and more commonly used, and electric automobiles and electric coaches are rapidly developed and pushed, and become the mainstream of vehicles for a period of time in the future.
The large-sized unmanned electric vehicle is not applied in a large scale due to the technical and safety problems, and the small-sized electric vehicle is only used for executing engineering tasks, such as tasks in high-temperature, low-oxygen, high-cold and low-virus areas, so that the labor cost can be effectively reduced, and the execution reliability can be improved.
For small-sized electric vehicles, the running conditions of the vehicles, the service life health conditions of batteries, the running time of the vehicles, the problems of whether the power motors are locked or not, and the like need to be monitored and fed back, so that the vehicles are ensured to be in a safe running state at any time, the batteries are prevented from being damaged, and the technical problems to be solved by technical personnel for improving the service efficiency are urgently needed.
Disclosure of Invention
The invention provides a wireless vehicle monitoring system which uploads and monitors vehicle data in real time, improves control efficiency, and improves reliability and safety of vehicle operation.
In order to solve the above technical problems, the present invention provides a wireless vehicle monitoring system, including:
the temperature detection module is used for detecting a main control board temperature value of the main controller and sending the main control board temperature value to the main controller;
the current and voltage detection monitoring module is used for detecting the operation working voltage and the working current of the power supply battery and sending the operation working voltage and the working current to the main controller;
the wireless communication module is used for acquiring an external control instruction, sending the external control instruction to the main controller, executing the external control instruction through the motion control module, and sending data information acquired from the main controller to the outside;
and the alarm module is used for sending an alarm signal after the corresponding numerical value exceeds the threshold range according to the preset temperature threshold range and the preset voltage and current threshold range, and the main controller correspondingly processes the trolley according to the alarm signal and a preset rule.
The data storage module is connected with the main controller and used for storing the data acquired from the main controller and stored in the main controller.
The temperature detection module is a surface-mounted temperature monitoring IC temperature detection module or an infrared temperature detection module.
Wherein, the current and voltage detection monitoring module comprises an ACS712ELCTR current detection unit.
The trolley is characterized by further comprising a camera module arranged on the trolley and connected with the main controller.
The trolley is characterized by further comprising a parameter setting module which is arranged on the trolley and connected with the main controller.
The wireless communication module is a WIFI module or a Bluetooth module.
The alarm module comprises a buzzer and an indicator light.
The main controller is a main controller with a 51 single chip microcomputer as a core or an AVR single chip microcomputer as a core.
Compared with the prior art, the wireless vehicle monitoring system provided by the embodiment of the invention has the following advantages:
the wireless vehicle monitoring system has the advantages that the temperature and voltage and current detection module is arranged on the trolley and is transmitted to the main controller, the alarm module outputs alarm signals according to corresponding data to realize fault monitoring, the wireless communication module obtains instructions to move the control module to execute, real-time uploading and monitoring of vehicle data are realized, the control efficiency is improved, and the reliability and safety of vehicle operation 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 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a wireless vehicle monitoring system provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a wireless vehicle monitoring system provided in the present application.
In one embodiment, the present invention provides a wireless vehicle monitoring system comprising:
the temperature detection module 20 is configured to detect a main control board temperature value of the main controller 10 and send the main control board temperature value to the main controller 10;
the current and voltage detection monitoring module 30 is used for detecting the operation working voltage and working current of the power supply battery and sending the operation working voltage and working current to the main controller 10;
a wireless communication module 50 for acquiring an external control command, transmitting the external control command to the main controller 10, executing the external control command through a motion control module 60, and transmitting data information acquired from the main controller 10 to the outside;
and the alarm module 40 is used for sending an alarm signal after the corresponding value exceeds the threshold range according to the preset temperature threshold range and the preset voltage and current threshold range, and the main controller 10 correspondingly processes the trolley according to the alarm signal and a preset rule.
The temperature and current and voltage detection module 30 is arranged on the trolley and is transmitted to the main controller 10, the alarm module 40 outputs alarm signals according to corresponding data to realize fault monitoring, and the wireless communication module 50 acquires instructions to move the control module 60 to execute, so that vehicle data can be uploaded and monitored in real time, the control efficiency is improved, and the reliability and safety of vehicle operation are improved.
In the present application, since a plurality of sensors are disposed on the cart, there are many data storages, and the user may send various commands and acquire data, so that the data needs to be stored, in one embodiment, the wireless vehicle monitoring system further includes a data storage module connected to the main controller 10, for storing the data acquired from the main controller 10 and stored in the data storage module.
The type and the storage space of the data storage module are not limited in the application.
The temperature detection module, the detection mode and the setting position thereof are not limited in the application,
however, in practical use, it is required to detect whether the current temperature is within a temperature threshold range, and generally, the temperature detection module 20 is a surface-mounted temperature monitoring IC temperature detection module or an infrared temperature detection module.
Preferably, the temperature sensor is a surface-mounted temperature monitoring IC to detect the temperature of the main control board in real time, and the main control board needs to be installed in the middle.
In the present application, the current-voltage detection monitoring module 30 is adopted to detect voltage and current, and the detection unit, the detection precision, the detection range and the detection mode corresponding to the current-voltage detection monitoring module 30 are not limited in the present application, and in one embodiment, the current-voltage detection monitoring module 30 includes an ACS712ELCTR current detection unit.
Temperature feedback communication adopts the unibus mode among this application, feeds back singlechip controller, and singlechip controller sets for high low temperature threshold value, and whether the real-time supervision temperature exceeds the threshold value when going on earlier time and moving at every turn, carries out corresponding control when exceeding the threshold value.
The current detection module comprises an ACS712ELCTR, specifically, the ACS712ELCTR selects a current gear to be 30A; in addition, in actual application, 10A/20A/30A can be selected according to actual needs.
Specifically, the usage range of the ACS712ELCTR-30A-T is 30A, and according to the selection of practical use, the U1 power supply pin is 8 pins, 5V power supply is used, 5 pins are ground, and 6 pins are regulating capacitors. Current enters from pin 1 of a P6 terminal, is output from pin 2 of a P6 terminal, passes through pins 1, 2, 3 and 4 of U1, outputs a voltage signal from pin 7 through a circuit integrated in the IC, and divides the output voltage through a resistor R11 and a resistor R12 to obtain a voltage value which can be identified by a singlechip ADC pin.
In order to further improve the monitoring efficiency and realize real-time monitoring, in one embodiment, the wireless vehicle monitoring system further includes a camera module disposed on the trolley and connected to the main controller 10.
The type, installation mode, number and arrangement position of the camera modules are not limited in the application.
In the present application, the possible operation parameters of the trolley in different seasons are different, so that the data processing amount can be reduced, and different operation parameters are required for different use places.
The parameter setting mode of the parameter setting module is not limited in the application, and external setting, internal setting, remote setting or other setting modes can be adopted.
In this application, the wireless communication module 50 is used for remote control and command output, the data processing type and the wireless communication module 50 are not limited, and generally, the wireless communication module 50 is a WIFI module or a bluetooth module, or other types of wireless communication modules.
The main control unit 10 is not limited in the application, an ARM processor, a single chip microcomputer and the like can be adopted, the single chip microcomputer can be generally adopted, and the main control unit 10 is a main control unit taking a 51 single chip microcomputer as a core or a main control unit taking an AVR single chip microcomputer as a core, or other processors.
In one embodiment, the wireless vehicle running state monitoring system comprises a temperature detection module, a current detection module, a voltage monitoring module, a data storage module, a single chip microcomputer controller, an alarm module, a motion control module and a wireless communication module, wherein the temperature detection module, the current detection module, the voltage monitoring module, the data storage module, the alarm module, the motion control module and the wireless communication module are all electrically connected with the single chip microcomputer controller; the temperature monitoring module comprises a temperature sensor which is a surface-mounted temperature monitoring IC (integrated circuit) and is used for detecting the temperature of the main control board in real time, and the main control board needs to be installed in the middle; the temperature feedback communication adopts a single bus mode and feeds back the temperature to the single chip microcomputer controller, the single chip microcomputer controller sets a high and low temperature threshold value, the temperature is monitored in real time whether to exceed the threshold value or not when the temperature is electrified first and is operated every time, and corresponding control is carried out when the temperature exceeds the threshold value.
The current detection module comprises an ACS712ELCTR, wherein the ACS712ELCTR selects a current gear to be 30A; in practical application, the selection of 10A/20A/30A can be carried out according to actual needs.
The voltage monitoring circuit is used for detecting every time when the power supply battery is powered on, and the voltage of the power supply battery is ensured to be within a set threshold range. When the voltage is lower than the threshold value, the battery needs to be charged, and when the voltage is higher than the threshold value, the charging power supply needs to be disconnected to stop charging, so that the battery is protected.
The data storage module is used for recording each state of the vehicle. When the recording is started when the power is turned on, the output ADC value of the ACS712ELCTR varies in different situations; when the vehicle is in a standby state, when the vehicle runs, the vehicle is charged, and when a running motor of the vehicle is locked. The time of normal operation is recorded for determining the current endurance time of the vehicle, and charging is carried out after the endurance time is exceeded, so that the battery is prevented from being short of power and the service life of the battery is prevented from being damaged. Before each power failure, current data are stored; and recording and adding are carried out when the power is turned on next time. When the vehicle has an abnormal walking route, recording; and recording and storing the power on and power off every time.
The single chip microcomputer controller is a core control part, and data of each module can be transmitted to the single chip microcomputer controller for summarizing, processing and judging, and controlling the vehicle to move forwards, move backwards, turn, wirelessly control and the like. Alarm module is used for reporting to the police through board-mounted buzzer circuit when detecting unusual, wherein, but alarm state has: insufficient electricity, abnormal running current, overtime running, abnormal temperature and abnormal voltage.
The wireless communication module can be connected with a wireless network through an onboard WIFI module, and remote control and state reading are performed through a mobile phone; possess the extension simultaneously and build, can expand bluetooth module, use the bluetooth to connect the cell-phone and carry out wireless remote control.
The scheme has the following beneficial effects:
the real-time state of the vehicle is monitored in real time through each onboard circuit module, and the data of the vehicle in operation are guaranteed to be normal; meanwhile, remote monitoring and task issuing can be carried out, and remote multi-quantity cooperative monitoring and multi-quantity centralized task issuing processing on the platform can be realized; protecting each device of the vehicle; the amount of life of the battery pack is protected; the battery endurance is subjected to simulated budget, the charging and starting states are monitored in advance, and the vehicle service efficiency is improved.
When implemented specifically:
1. when 30A is selected, the accuracy is that Ip is 66mV/A/, then the curve corresponding to the input current and the output voltage and the calculation formula are as follows: vout 2.5+0.066 Ip
Under the formula, the vehicle selects 4 motors, each motor is 100W, the power supply voltage is DC24V, and the total current I is 400W/24V and 16.66A;
2. when standby is not in operation, the current is 0A, so the IC outputs 2.5V, and the voltage division circuit is as follows: 1.667V;
theoretical current is 8.3A when 2 wheels all operate, so IC output 3.028V, through the bleeder circuit: 2.019V; the theoretical current when 4 wheels all operate is 16.6A, so the IC output is 4.48V, and the theoretical current is: 2.987V;
3. the single chip microcomputer judges the current vehicle running state according to the output value of the voltage division circuit.
4. After the corresponding running state is judged, the singlechip controller makes corresponding action.
5. The single chip microcomputer uploads the running state in real time; issuing an operation task in real time;
the current monitoring, the voltage monitoring, the temperature monitoring, the alarm mechanism and the motion control are integrated, the used space is small, and the size is small.
The used materials are common and reliable, the price is reasonable, and the cost is low. The application range is wide, and the method can be applied to different scenes.
The vehicle running state monitoring has the following points:
1. temperature monitoring of key devices: the temperature monitoring equipment is used for directly contacting the surface of the battery or the surface of the motor to monitor the temperature of the battery or the motor in real time, and false alarm can be caused by environmental influence;
2. monitoring the output current of the battery: monitoring the output current of the battery under different running conditions of the vehicle; the disadvantage is that when the resistance sampling resistor is used, the resistance selection value is limited. The error caused by different current values is large;
3. logic processing by a singlechip: the single chip microcomputer needs to monitor each discrete device in real time and give feedback at the same time, and the software control logic code is difficult to compile.
In summary, in the wireless vehicle monitoring system provided in the embodiment of the present invention, the temperature and current and voltage detection module is disposed on the trolley and is transmitted to the main controller, the alarm module outputs an alarm signal according to the corresponding data to implement fault monitoring, and the wireless communication module obtains an instruction to move the control module to execute, so as to implement real-time uploading and monitoring of vehicle data, improve the control efficiency, and improve the reliability and safety of vehicle operation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A wireless vehicle monitoring system, comprising:
the temperature detection module is used for detecting a main control board temperature value of the main controller and sending the main control board temperature value to the main controller;
the current and voltage detection monitoring module is used for detecting the operation working voltage and the working current of the power supply battery and sending the operation working voltage and the working current to the main controller;
the wireless communication module is used for acquiring an external control instruction, sending the external control instruction to the main controller, executing the external control instruction through the motion control module, and sending data information acquired from the main controller to the outside;
and the alarm module is used for sending an alarm signal after the corresponding numerical value exceeds the threshold range according to the preset temperature threshold range and the preset voltage and current threshold range, and the main controller correspondingly processes the trolley according to the alarm signal and a preset rule.
2. The wireless vehicle monitoring system of claim 1, further comprising a data storage module coupled to the master controller for storing the stored data obtained from the master controller.
3. The wireless vehicle monitoring system of claim 2, wherein the temperature detection module is a surface-mounted temperature monitoring IC temperature detection module or an infrared temperature detection module.
4. The wireless vehicle monitoring system of claim 3, wherein the current voltage detection monitoring module comprises an ACS712ELCTR current detection unit.
5. The wireless vehicle monitoring system of claim 4, further comprising a camera module disposed on the cart and coupled to the master controller.
6. The wireless vehicle monitoring system of claim 5, further comprising a parameter setting module disposed on the cart and coupled to the master controller.
7. The wireless vehicle monitoring system of claim 6, wherein the wireless communication module is a WIFI module or a Bluetooth module.
8. The wireless vehicle monitoring system of claim 7, wherein the alarm module comprises a buzzer and an indicator light.
9. The wireless vehicle monitoring system of claim 8, wherein the master controller is a master controller with a core of a 51-chip microcomputer or a master controller with a core of an AVR-chip microcomputer.
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Application publication date: 20211123 |