Vehicle-mounted tool integrated control system

Abstract

The invention relates to the field of vehicle-mounted consumer electronic product control systems, and particularly provides a vehicle-mounted tool integrated control system. Comprising a main control chip, a water pump control module, an inflator pump control module, an air blower control module, an air pressure sensing module, a hydraulic sensing module, a power management module, a touch key module, a digital display module, an illuminating lamp module and a temperature detection module. The power supply management module comprises a charging management unit, a power supply voltage stabilizing unit, a lithium battery protection unit and a battery voltage unit; according to the invention, the control functions of a plurality of vehicle-mounted tools are designed in an integrated manner from the perspective of conciseness and practicability by integrating the actual use requirements of users, so that the electronic and electric appliance circuits of the whole vehicle are greatly optimized, the number of ECUs and communication wire harnesses are reduced, the cost of parts is reduced, and the integrated control system increases the flexibility of products and realizes multi-functionalization; the storage space in the automobile is saved, the market blank is filled, and overall operation is easy, convenient, safe and reliable.

Description

Technical Field

[0001] The present invention relates to the field of vehicle-mounted consumer electronic product control systems, and in particular to a vehicle-mounted tool integrated control system. Background Art

[0002] With the popularization of automobiles, vehicle-mounted tools are becoming more and more popular, including water pumps, air pumps and the like.

[0003] At present, the vehicle-mounted high-pressure water guns and vehicle-mounted air pumps on the market are controlled separately and independently by at least two sets of electronic control systems. The use of multiple control systems makes the corresponding vehicle-mounted tools less flexible in use due to decentralized management in the vehicle, and multiple control systems require more energy, resulting in energy waste, increased line loss, and increased component application costs. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an integrated control system for vehicle-mounted tools, which is used to solve the problems of energy waste and increased line loss in the prior art of using multiple control systems to independently control the use of vehicle-mounted tools.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides an integrated control system for vehicle-mounted tools, including a main control chip, wherein the control system includes:

[0006] A water pump control module, wherein the water pump control module uses a MOS tube VP13, the gate of the MOS tube VP13 is connected to the main control chip, the drain is connected to the water pump through the hender2 port, and the source is grounded;

[0007] An air pump control module, wherein the air pump control module uses a MOS tube VP14, the gate of the MOS tube VP14 is connected to the main control chip, the drain is connected to the air pump through the hender2 port, and the source is grounded;

[0008] A blower control module, wherein the blower control module uses a MOS tube VP15, the gate of the MOS tube VP15 is connected to the main control chip, the drain is connected to the blower through the hender2 port, and the source is grounded;

[0009] An air pressure sensor module, wherein the air pressure sensor is electrically installed via the com1 port, and the air pressure sensor module exchanges data with the main control chip via the TXD / RXD pins;

[0010] A hydraulic sensor module, wherein the hydraulic sensor module is electrically installed with a water pressure sensor through the com2 port, and the hydraulic sensor module exchanges data with the main control chip through the TXD1 / RXD1 pins;

[0011] A power management module, which is connected to a lithium battery pack and is used to manage and control the charging and discharging of the lithium battery pack; the power management module includes a charging management unit, a power voltage stabilizing unit, and a lithium battery protection unit. The charging management unit uses a lithium battery charging and discharging management chip IC3, the lithium battery protection unit 14 uses a lithium battery protection chip IC1, and the power voltage stabilizing unit uses a voltage stabilizing chip U1.

[0012] In one embodiment of the present invention, the control system further includes a touch button module, and the touch button module includes a switch button, a unit switching / illumination button, a function selection button, a setting+ button, and a setting- button.

[0013] In one embodiment of the present invention, the control system includes a digital display module 9, which uses a digital display driver chip IC2 and at least three groups of light emitting diodes. The digital display driver chip IC2 is connected to the main control chip, and at least three groups of light emitting diodes are respectively connected to the digital display driver chip IC2, which is used to display the power, mode selection and unit selection when the vehicle-mounted tool is in use.

[0014] In one embodiment of the present invention, the control system includes a lighting module, which uses a MOS tube Q5 and a MOS tube Q6. The gates of the MOS tube Q5 and the MOS tube Q6 are connected to the main control chip at the same time, the drains are connected to the LED lighting lamp through the hendler3 port at the same time, and the sources are grounded at the same time.

[0015] In one embodiment of the present invention, the control system includes a temperature detection module, which uses a thermistor MT-NTC and a thermistor NTC2 connected in parallel, one end of the thermistor MT-NTC and the thermistor NTC2 is connected to the main control chip, and the other end is grounded.

[0016] In one embodiment of the present invention, the power management module also includes a battery voltage unit, which uses a power limiting resistor PowerAD. One end of the power limiting resistor PowerAD is connected to a lithium battery pack for detecting the voltage state of the lithium battery pack, and the other end is connected to a main control chip.

[0017] In one embodiment of the present invention, a resistor R20 and a capacitor C16 are connected in parallel at the com1 port of the air pressure sensor module, and a resistor R21 and a capacitor C17 are connected in parallel at the com2 port of the hydraulic pressure sensor module.

[0018] As described above, the vehicle-mounted tool integrated control system of the present invention has the following beneficial effects:

[0019] 1. The present invention integrates the water pump control function, the air pump control function, and the blower control function of the vehicle-mounted tools into the same control system, and cooperates with the air pressure sensor detection and the hydraulic pressure sensor detection of the vehicle-mounted air pressure and hydraulic use status, so as to realize the centralized management, dispatch and setting of unified safety standards and measures for the vehicle-mounted tools, avoid the energy waste of decentralized management and reduce line loss, and facilitate more intelligent and humanized use; the integrated design control system can also ensure the coordinated work and performance matching of the tools installed on the same vehicle through unified design and manufacturing, thereby improving the reliability of the entire control system.

[0020] 2. The present invention also designs a power management module to manage the power supply and use of vehicle-mounted tools. The power management module also integrates a charging management unit, a power voltage stabilization unit, a lithium battery protection unit, and a battery voltage unit, which are respectively used for the management of the charging and discharging of the lithium battery pack, the charging and discharging voltage stabilization and over-current and over-voltage protection of the lithium battery pack, and tracking and detecting the voltage state of the lithium battery pack to ensure that the lithium battery pack operates within an appropriate voltage range. The power management module can centrally control and schedule the power supply and use of multiple vehicle-mounted tools to improve the safety of use.

[0021] 3. The present invention integrates the actual usage needs of users and integrates the control functions of multiple vehicle-mounted tools from a simple and practical perspective, greatly optimizing the electronic and electrical circuits of the entire vehicle, reducing the number of ECUs and communication wiring harnesses, and reducing component costs. The integrated control system increases product flexibility and improves product utilization, and can achieve multifunctional control, saving storage space in the vehicle, filling a market gap, and is easy to operate as a whole, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shown is a circuit schematic diagram of the vehicle-mounted tool integrated control system disclosed in the present invention.

[0023] Figure 2 Display as Figure 1 Schematic diagram of the amplifier circuit of the main control chip.

[0024] Figure 3 Display as Figure 1 Schematic diagram of the amplifier circuit for water pump control, air pump control, and blower control.

[0025] Figure 4 Display as Figure 1 Schematic diagram of the amplifier circuit of the medium air pressure sensor module.

[0026] Figure 5 Display as Figure 1 Schematic diagram of the amplifier circuit of the hydraulic pressure sensor module.

[0027] Figure 6Display as Figure 1 Schematic diagram of the amplifier circuit of the charging management unit.

[0028] Figure 7 Display as Figure 1 Schematic diagram of the amplifier circuit of the power supply voltage regulator unit.

[0029] Figure 8 Display as Figure 1 Schematic diagram of the amplifier circuit of the lithium battery protection unit.

[0030] Fig. 9 Display as Figure 1 Schematic diagram of the amplifier circuit for the battery voltage unit.

[0031] Fig.10 Display as Figure 1 The schematic diagram of the amplification circuit of the touch button module.

[0032] Fig.11 Display as Figure 1 Schematic diagram of the amplifier circuit of the digital display module.

[0033] Fig.12 Display as Figure 1 Schematic diagram of the amplifier circuit of the central lighting module.

[0034] Fig.13 Display as Figure 1 Schematic diagram of the amplification circuit of the temperature detection module.

[0035] Component number description

[0036] Main control chip 1; water pump control module 2; air pump control module 3; blower control module 4; air pressure sensor module 5; hydraulic pressure sensor module 6; power management module 7; touch button module 8; digital display module 9; lighting module 10; temperature detection module 11; charging management unit 12; power supply voltage stabilization unit 13; lithium battery protection unit 14; battery voltage unit 15. DETAILED DESCRIPTION

[0037] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0038] See also Figures 1 to 13It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0039] See also Figure 1-Figure 5The present invention provides an integrated control system for vehicle-mounted tools, including a main control chip 1, a water pump control module 2, an air pump control module 3, a blower control module 4, an air pressure sensor module 5, and a hydraulic pressure sensor module 6. The water pump control module 2 uses a MOS tube VP13, the gate of the MOS tube VP13 is connected to the main control chip 1, the drain is connected to the water pump through the hender2 port, and the source is grounded; the air pump control module 3 uses a MOS tube VP14, the gate of the MOS tube VP14 is connected to the main control chip 1, the drain is connected to the air pump through the hender2 port, and the source is grounded; the blower control module 4 uses a MOS tube VP15, the gate of the MOS tube VP15 is connected The main control chip 1 is connected, the drain is connected to the blower through the hender2 port, and the source is grounded; the air pressure sensor module 5 is electrically installed with the air pressure sensor through the com1 port, and the air pressure sensor module 5 exchanges data with the main control chip 1 through the TXD / RXD pins, and the air pressure sensor module 5 can detect the air pressure used by the air pump and the blower; the hydraulic sensor module 6 is electrically installed with the water pressure sensor through the com2 port, and the hydraulic sensor module 6 exchanges data with the main control chip 1 through the TXD1 / RXD1 pins, and the hydraulic sensor module 6 can detect the water pressure used by the water pump, which is beneficial for the control system to adjust the use of the air pump, blower, and water pump in time, and improve the control effect on the vehicle-mounted tools. A resistor R20 and a capacitor C16 are provided in parallel on the com1 port of the air pressure sensor module 5 to filter out the clutter interference in the air pressure sensor module 5; a resistor R21 and a capacitor C17 are provided in parallel on the com2 port of the hydraulic pressure sensor module 6 to filter out the clutter interference in the hydraulic pressure sensor module 6; specifically, the function of the capacitor C16 and the capacitor C17 is to prevent the passage of DC signals and allow the passage of AC signals, or to reduce the passing capacity of low-frequency signals and increase the passing capacity of high-frequency signals; this characteristic enables the capacitor C16 and the capacitor C17 to eliminate unnecessary sensing frequency components in their respective sensors to ensure the purity of the sensing signal; in sensor design, input impedance is a key parameter, and the sensor receiving card has specific requirements for input impedance. The parallel resistor R20 and the resistor R21 can adjust the input impedance of each of the sensor modules to meet the requirements, thereby ensuring that the sensor can work normally, eliminating signal distortion and noise problems caused by impedance mismatch, improving the air pressure and hydraulic pressure detection effect when the vehicle-mounted tool is used, and thus improving the use effect of the control system to control the vehicle-mounted tool.

[0040] The present invention integrates the water pump control function, the air pump control function, and the blower control function of the vehicle-mounted tools into the same control system. Through the integrated design control system, the centralized management and dispatch of the vehicle-mounted tools and the setting of unified safety standards and measures can be realized, thereby avoiding the energy waste of decentralized management and reducing line loss. The integrated design control system can also ensure the coordinated work and performance matching of the tools installed on the same vehicle through unified design and manufacturing, thereby improving the reliability of the entire control system. At the same time, integration can also simplify the maintenance and repair of the system and improve the efficiency of the system. Through the integrated design control system, the number of parts used can be reduced, and the complexity of manufacturing and assembly can be reduced. The integrated design control system can provide more intelligent and user-friendly control methods, such as touch screen operation and voice control, so that the driver can control various functions of the car more conveniently and improve the driving experience; the integrated design control system can better connect and interact with other systems of the car, such as the navigation system and entertainment system, making it possible for the car to be intelligent and networked; therefore, the integrated design control system can greatly optimize the electronic and electrical circuits of the whole vehicle, reduce the number of ECUs and communication wiring harnesses, reduce the cost of parts, increase the flexibility of the product and realize multi-function, save storage space in the car, fill the market gap, and be easy to operate, safe and reliable.

[0041] See also Figure 6-Figure 9 The control system includes a power management module 7, which is connected to a lithium battery pack and is used to manage and control the charging and discharging of the lithium battery pack; the power management module 7 includes a charging management unit 12, a power voltage stabilizing unit 13, a lithium battery protection unit 14, and a battery voltage unit 15. The charging management unit 12 adopts a lithium battery charging and discharging management chip IC3, and the lithium battery protection unit 14 adopts a lithium battery protection chip IC1. The module can realize overcurrent and overvoltage protection for charging and discharging of the lithium battery pack; the power voltage stabilizing unit 13 adopts a voltage stabilizing chip U1, which can improve the reliability of charging and discharging of the lithium battery pack; the battery voltage unit 15 adopts a power limiting resistor Power AD, one end of the power limiting resistor PowerAD is connected to the lithium battery pack for detecting the voltage state of the lithium battery pack, and the other end is connected to the main control chip 1 to ensure that the lithium battery pack operates within a suitable voltage range, thereby protecting the lithium battery and extending its service life. The present invention also integrates a charging management unit 12, a power supply voltage stabilization unit 13, a lithium battery protection unit 14, and a battery voltage unit 15 in the power management module, which are respectively used for charging and discharging management of the lithium battery pack, charging and discharging voltage stabilization and over-current and over-voltage protection of the lithium battery pack, and tracking and detecting the voltage state of the lithium battery pack to ensure that the lithium battery pack operates within a suitable voltage range. The power management module can centrally control and schedule the power supply use of multiple vehicle-mounted tools to improve safety of use.

[0042] See also Figure 10-13 The control system includes a touch key module 8, a digital display module 9, a lighting module 10, and a temperature detection module 11. The touch key module 8 includes a switch key, a unit switch / lighting key, a function selection key, a setting + key, and a setting - key; the digital display module 9 uses a digital display driver chip IC2 and at least three groups of light emitting diodes. The digital display driver chip IC2 is connected to the main control chip 1, and at least three groups of light emitting diodes are respectively connected to the digital display driver chip IC2, which is used to display the power, mode selection, and unit selection when the vehicle-mounted tool is used; the lighting module 10 uses a MOS tube Q5 and a MOS tube Q6, and the gates of the MOS tube Q5 and the MOS tube Q6 are the same. When connected to the main control chip 1, the drain is connected to the LED lighting lamp through the hender3 port, and the source is grounded at the same time; the temperature detection module 11 adopts thermistors MT-NTC and thermistors NTC2 in parallel, one end of the thermistors MT-NTC and thermistors NTC2 is connected to the main control chip 1, and the other end is grounded. The module uses two thermistors to accurately detect the temperature in the car and realize the over-temperature protection function; the present invention integrates the touch button control function, digital display function, lighting function, and temperature detection function on the basis of the integration of water pump control, air pump control and blower control, which is conducive to the user to operate the button in the car according to the needs to quickly trigger various functions and improve the user's use effect. Specifically, the user first touches the power button, touches one button to switch the inflation water spray function, and the LED display screen displays the battery power, air pressure unit, current function water gun, inflation; the water gun function interface displays the current water pressure and preset water pressure, and the air pump function interface displays the current air pressure and preset air pressure; after setting, touch one button to start, and the air pump function stops automatically after it is filled to the preset air pressure.

[0043] In summary, the present invention integrates the actual use needs of users, from the perspective of simplicity and practicality, integrates the control functions of multiple vehicle-mounted tools, greatly optimizes the electronic and electrical circuits of the whole vehicle, reduces the number of ECUs and communication harnesses, reduces the cost of parts, and the integrated control system increases the flexibility of the product and improves the utilization rate of the product, and can realize the multifunctional control, save the storage space in the car, fill the market gap, and the overall operation is simple, safe and reliable. Therefore, the present invention effectively overcomes the various shortcomings of the prior art and has a high industrial utilization value.

[0044] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. An integrated control system for vehicle-mounted tools, comprising a main control chip (1), characterized in that: The control system comprises: A water pump control module (2), wherein the water pump control module (2) uses a MOS tube VP13, wherein the gate of the MOS tube VP13 is connected to the main control chip (1), the drain is connected to the water pump via a hender2 port, and the source is grounded; An air pump control module (3), wherein the air pump control module (3) uses a MOS tube VP14, the gate of the MOS tube VP14 is connected to the main control chip (1), the drain is connected to the air pump through the hender2 port, and the source is grounded; A blower control module (4), wherein the blower control module (4) uses a MOS tube VP15, wherein the gate of the MOS tube VP15 is connected to the main control chip (1), the drain is connected to the blower through the hender2 port, and the source is grounded; An air pressure sensing module (5), wherein the air pressure sensing module (5) is electrically equipped with an air pressure sensor via a com1 port, and the air pressure sensing module (5) exchanges data with the main control chip (1) via a TXD / RXD pin; A hydraulic pressure sensor module (6), wherein the hydraulic pressure sensor is electrically installed via the COM2 port, and the hydraulic pressure sensor module (6) exchanges data with the main control chip (1) via the TXD1 / RXD1 pins; A power management module (7) is connected to a lithium battery pack and is used to manage and control the charging and discharging of the lithium battery pack; the power management module (7) comprises a charging management unit (12), a power voltage stabilizing unit (13), and a lithium battery protection unit (14); the charging management unit (12) uses a lithium battery charging and discharging management chip IC3, the lithium battery protection unit (14) uses a lithium battery protection chip IC1, and the power voltage stabilizing unit (13) uses a voltage stabilizing chip U1.

2. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The control system further comprises a touch key module (8), wherein the touch key module (8) comprises a switch key, a unit switching / illumination key, a function selection key, a setting+ key, and a setting- key.

3. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The control system comprises a digital display module (9), wherein the digital display module (9) adopts a digital display driver chip IC2 and at least three groups of light emitting diodes, wherein the digital display driver chip IC2 is connected to the main control chip (1), and the at least three groups of light emitting diodes are respectively connected to the digital display driver chip IC2, and are used to display power, mode selection and unit selection when the vehicle-mounted tool is in use.

4. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The control system comprises a lighting lamp module (10), wherein the lighting lamp module (10) adopts a MOS tube Q5 and a MOS tube Q6, wherein the gate electrodes of the MOS tube Q5 and the MOS tube Q6 are simultaneously connected to the main control chip (1), the drain electrodes are simultaneously connected to the LED lighting lamp through the hendler3 port, and the sources are simultaneously grounded.

5. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The control system comprises a temperature detection module (11), wherein the temperature detection module (11) uses a thermistor MT-NTC and a thermistor NTC2 connected in parallel, wherein one end of the thermistor MT-NTC and the thermistor NTC2 are connected to a main control chip (1), and the other end is grounded.

6. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The power management module (7) also includes a battery voltage unit (15), wherein the battery voltage unit (15) uses a power limiting resistor PowerAD, one end of the power limiting resistor PowerAD is connected to a lithium battery pack for detecting the voltage state of the lithium battery pack, and the other end is connected to a main control chip (1).

7. The vehicle-mounted tool integrated control system according to claim 1, characterized in that: The com1 port of the air pressure sensor module (5) is provided with a resistor R20 and a capacitor C16 connected in parallel, and the com2 port of the hydraulic pressure sensor module (6) is provided with a resistor R21 and a capacitor C17 connected in parallel.

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