WO2021109330A1 - 新能源环保洗车机 - Google Patents

新能源环保洗车机 Download PDF

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Publication number
WO2021109330A1
WO2021109330A1 PCT/CN2020/072736 CN2020072736W WO2021109330A1 WO 2021109330 A1 WO2021109330 A1 WO 2021109330A1 CN 2020072736 W CN2020072736 W CN 2020072736W WO 2021109330 A1 WO2021109330 A1 WO 2021109330A1
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circuit
car washing
washing machine
control
module
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PCT/CN2020/072736
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English (en)
French (fr)
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陈辉
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福州友洗智能物联网科技有限公司
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Publication of WO2021109330A1 publication Critical patent/WO2021109330A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S3/00—Vehicle cleaning apparatus not integral with vehicles
    • B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
    • B60S3/044—Hand-held cleaning arrangements with liquid or gas distributing means

Definitions

  • the invention relates to the field of vehicle cleaning, in particular to a new energy environment-friendly car washer.
  • the purpose of the present invention is to overcome the above shortcomings and provide a new energy environmentally friendly car washing machine, which uses lithium batteries to replace liquefied petroleum gas or diesel, which can completely solve the safety and environmental protection problems and achieve the purpose of reducing the cost of car washing.
  • the steam generating part of the car washing machine of the present invention has also changed from a traditional coil boiler to a once-through quick-heating boiler, which can save a lot of manpower and material costs while improving the steam generation efficiency.
  • a new energy environment-friendly car washing machine including a control box and a car washing module, is characterized in that: the car washing module includes a water tank, a high-pressure water pump, a high-temperature check valve, a gasification module, a safety valve, a pressure switch, a pressure gauge, Temperature control module, steam gun; the water tank is connected to the water inlet of the high-pressure water pump through a hose, and the water outlet of the high-pressure water pump is connected to the high-temperature one-way valve with a high-pressure pipe and then connected to the water inlet of the air intake module to make the water flow in the water tank The gasification module is heated to form high-pressure water vapor.
  • the gas outlet of the gasification module is connected to a safety valve and then connected to a pressure switch.
  • the pressure of the high-pressure water vapor is controlled within the working range through the pressure switch.
  • the pressure gauge is used to read high-pressure water.
  • the pressure of the steam, the high-pressure water vapor is adjusted by the temperature control module to the safe and usable steam of the car washing machine, and then the steam is output to the steam gun through the high-pressure steam pipe to spray the steam for the car washing;
  • the control box contains a control circuit and is used to send it to the control circuit
  • the control panel buttons for working instructions the control box is electrically connected to an external power source through a transformer, and the control box is also connected to a backup power source.
  • the source of the backup power source can be a vehicle-mounted lithium battery that connects the control box to various electric vehicles, or it can be a set of new energy lithium batteries specifically and independently configured for the car washer of the present invention group.
  • control circuit includes: an output relay control circuit, a communication unit circuit, a positioning unit circuit, a display unit circuit, a sensing unit circuit, a backup battery charging management circuit, a button and indicating circuit, a real-time clock circuit, a power management circuit, and Central processor circuit.
  • the output relay control circuit is used to control the on and off of the external contactor; the communication unit circuit is used to realize the dual control of mobile network communication and Bluetooth communication of the car washing machine; the positioning unit circuit is used to realize the real-time control of the car washing machine Accurate positioning; the display unit circuit is used to realize the display control and power management of the connected display screen of the car washing machine; the sensor unit circuit is used to detect the steam temperature, water level and oil level monitoring of the car washing machine, and coin-operated Metering; the backup battery charge management circuit is used to charge the lithium battery and the power supply management of the control circuit of the car washing machine; the buttons and the indicator circuit are used to manage the various buttons of the system and the equipment operating status indicator; The real-time clock circuit is used to realize the timing and timing wake-up functions of the entire system.
  • the power management circuit is used for voltage conversion to convert the vehicle battery power into various power inputs required for car washing and control circuit boards; the central processor circuit is used for control of the entire control circuit board.
  • the communication unit circuit includes two parts: a mobile communication unit and Bluetooth communication, which are used to realize dual control of mobile communication and Bluetooth communication for the car washer; wherein the GPRS communication unit uses a mobile module M26 for connection The operator's network is connected to the back-end server of the car wash application; the Bluetooth communication unit uses a low-power BT16 Bluetooth module, and uses an Airoha Bluetooth 4.2BLE single chip AB1602.
  • the positioning unit circuit adopts the HT-1010U7 GPS/Beidou dual-mode global positioning unit for real-time accurate positioning of the car washing machine.
  • the display unit circuit mainly uses a SP232A chip to connect to the serial LCD display screen, and the power control circuit of the display screen is mainly implemented by a ME4953 chip.
  • buttons and indication circuit are implemented to realize the start button and the equipment operating status indicator; at the same time, a 16-key keypad and multiple LED indicators can be connected.
  • the sensing unit circuit includes three parts: a temperature detection unit, a water level and oil level monitoring unit, and a billing and metering unit;
  • the temperature detection unit is a thermocouple-based steam temperature detection unit, which uses a MAX6675 dedicated thermocouple measurement chip
  • the water level and oil level monitoring unit forms a signal conditioning circuit through the operational amplifier LM2904, which enters the ADC sampling channel of the main processor for continuous measurement of the water level and oil level signals; the metering unit realizes the flow meter to the gas output through the optocoupler And the detection of water output; at the same time, the terminal of J7 can realize the detection of charging.
  • the real-time clock circuit adopts the BM8563 real-time clock chip to realize the timing and timing wake-up functions of the entire system.
  • the central processor circuit adopts an STC 8A8K64S4 single-chip microcomputer, which has 12-bit ADC sampling and 4 UART ports, which is used to realize the control needs of the circuit board and has excellent anti-interference performance.
  • the relay module of the output relay control circuit adopts a T92 type relay to control the on and off of the external contactor, and the T92 selects a model with a working current of 30A.
  • the backup battery charge management circuit uses an ETA4056 lithium battery charging dedicated management IC; the backup battery charge management circuit also includes an onboard farad capacitor and an external rechargeable lithium battery, which is used in the car wash state. In order to realize the main processor work in standby mode, and maintain the system to send out positioning and vehicle status signals.
  • the power management circuit mainly includes a DC12V (DC24V) to 5V DCDC voltage conversion module.
  • the module provides an LM2596 power IC to achieve a 5V 3A power output; it also performs voltage conversion through the LM2596 and AMS1117 power chips, Convert the backup new energy lithium battery power into various power inputs needed for car washing and control circuit boards.
  • Figure 1 is a schematic diagram of the overall structure of the new energy environment-friendly car washing machine of the present invention
  • FIG. 2 is a schematic diagram of the framework of the control circuit of the new energy environmentally friendly car washing machine of the present invention
  • Figure 3 is a schematic diagram of the GPRS communication unit circuit of the communication unit circuit in the control circuit
  • FIG. 4 is a schematic diagram of the Bluetooth communication unit circuit of the communication unit circuit in the control circuit
  • Fig. 5 is a schematic diagram of a positioning unit circuit in the control circuit
  • Fig. 6 is a schematic diagram of a display unit circuit in the control circuit
  • Fig. 7 is a schematic diagram of buttons and indicating circuits in the control circuit
  • Fig. 8 is a schematic diagram of a sensing unit circuit in the control circuit
  • Fig. 9 is a schematic diagram of a real-time clock circuit in the control circuit.
  • Figure 10 is a schematic diagram of a central processor circuit in the control circuit
  • Figure 11 is a schematic diagram of an output relay control circuit in the control circuit
  • FIG. 12 is a schematic diagram of a backup battery charging management circuit in the control circuit
  • Figure 13 is a schematic diagram of a power management circuit in the control circuit
  • a new energy environmentally friendly car washing machine includes a control box 10 and a car washing module 20, characterized in that: the car washing module 20 includes a water tank 1, a high-pressure water pump 2, a high-temperature one-way valve 3, a gas The chemical module 4, the safety valve 5, the pressure switch 6, the pressure gauge 7, the temperature control module 8, the steam gun 9; the water tank is connected to the water inlet of the high pressure water pump through a hose, and the water outlet of the high pressure water pump is connected to the high temperature by a high pressure pipe After the one-way valve is connected to the water inlet of the gasification module, the water in the water tank is heated by the gasification module to form high-pressure water vapor.
  • the car washing module 20 includes a water tank 1, a high-pressure water pump 2, a high-temperature one-way valve 3, a gas The chemical module 4, the safety valve 5, the pressure switch 6, the pressure gauge 7, the temperature control module 8, the steam gun 9; the water tank is connected to the water inlet of the high pressure water pump through a hose,
  • the gas outlet of the gasification module is connected to the safety valve and then connected to the pressure switch.
  • the high-pressure water is discharged through the pressure switch.
  • the pressure of the steam is controlled within the working range.
  • the pressure gauge is used to read the pressure of the high-pressure water vapor.
  • the high-pressure water vapor is adjusted by the temperature control module to be safe and usable for the car washing machine, and then output to the steam gun through the high-pressure steam pipe to spray steam.
  • the control box 10 includes a control circuit 11 and a control panel button 12 for sending its work instructions to the control circuit, the control box 10 is electrically connected to an external power source 13 through a transformer 30, and the control box 10 is also A backup power source 14 is connected.
  • the source of the backup power source 14 can be a vehicle-mounted lithium battery that connects the control box 10 to various electric vehicles, or it can be a set of new energy sources that are specially and independently configured for the car washer of the present invention. Lithium battery pack.
  • the control circuit includes: output relay control circuit, communication unit circuit, positioning unit circuit, display unit circuit, sensing unit circuit, backup battery charging management circuit, button and indicating circuit, real-time clock circuit, power management circuit And the central processor circuit.
  • the output relay control circuit is used to control the on and off of the external contactor;
  • the communication unit circuit is used to realize the dual control of mobile network communication and Bluetooth communication of the car washing machine;
  • the positioning unit circuit is used to realize the real-time control of the car washing machine Accurate positioning;
  • the display unit circuit is used to realize the display control and power management of the connected display screen of the car washing machine;
  • the sensor unit circuit is used to detect the steam temperature, water level and oil level monitoring of the car washing machine, and coin-operated Metering;
  • the backup battery charge management circuit is used to charge the lithium battery and the power supply management of the control circuit of the car washing machine;
  • the buttons and the indicator circuit are used to manage the various buttons of the system and the equipment operating status indicator;
  • the real-time clock circuit is used to realize
  • Figures 3 and 4 are schematic circuit diagrams of the communication unit circuit, including two parts: a mobile communication unit and Bluetooth communication, which are used to realize dual control of mobile communication and Bluetooth communication on the car washing machine.
  • the GPRS communication unit adopts Quectel's mobile module M26, working frequency band: GSM850/900/1800/1900MHz; it is used to realize data connection to the onenet platform of China Mobile and connect to the back-end server of the car wash application.
  • a lower standby current can be achieved, as low as 1.3 mA.
  • the TTS voice circuit is also implemented in the GPRS communication unit, so that the cloud can send text and voice broadcasts, and the HT6871 audio power amplifier circuit can be connected to a 2W/8R speaker for playback.
  • the Bluetooth communication unit uses a low-power Bluetooth circuit, specifically a BT16 Bluetooth module, and an Airoha Bluetooth 4.2BLE single chip AB1602. Using this Bluetooth chip has a longer distance communication than traditional Bluetooth; it can be connected to the outside at a speed of 115200bps; it supports car washing users' mobile phone connection to control car washing equipment; its normal working mode working current is only more than 4mA.
  • the positioning unit circuit adopts the HT-1010U7GPS/Beidou dual-mode global positioning unit, which is used to realize the accurate positioning of the car washer in real time, with an accuracy of up to 5 meters, which is convenient for the server to accurately determine the location of the car washer, and can be optimized. Optimal allocation of car wash order tasks.
  • the display unit circuit mainly uses a SP232A chip to connect to the serial LCD display, for example, to connect to the products of manufacturers such as China Display and dacai; the power control circuit of the display is mainly implemented by a ME4953 chip.
  • the button and indication circuit are implemented to realize the start button and the equipment running status indicator; at the same time, a 16-key keypad and multiple LED indicators can be connected.
  • the sensing unit circuit includes three parts: a temperature detection unit, a water level and oil level monitoring unit, and a metering unit.
  • the temperature detection unit is a steam temperature detection unit based on thermocouples, using MAX6675 dedicated thermocouple measurement chip, which can achieve temperature measurement from -100 degrees to +800 degrees, with a measurement accuracy of 0.25 degrees Celsius.
  • the water level and oil level monitoring unit forms a signal conditioning circuit through the operational amplifier LM2904, enters the ADC sampling channel of the main processor, and can continuously measure the water level and oil level signals.
  • the metering unit can realize the detection of the outlet air volume and the water output of the flowmeter through the optocoupler; at the same time, the J7 terminal can also realize the detection of the number of coins inserted in it.
  • the real-time clock circuit uses the BM8563 real-time clock chip to realize the timing and timing wake-up functions of the entire system.
  • the central processor circuit adopts STC 8A8K64S4 single-chip microcomputer, with 12-bit ADC sampling and 4 UART ports, which can achieve the control needs of the circuit board at a high cost-effectiveness and has excellent anti-interference performance. .
  • the relay module of the output relay control circuit adopts the T92 type relay to control the on and off of the external contactor, and the T92 selects the model with a working current of 30A.
  • the backup battery charging management circuit uses the ETA4056 lithium battery charging dedicated management IC.
  • the backup battery charging management circuit includes an on-board farad capacitor and an external rechargeable lithium battery, which is used for power supply management when the car washer is turned off. In order to realize that the main processor works in standby mode, and maintains the system to send out positioning and vehicle status signals.
  • the core of the power management circuit is a DC12V (DC24V) to 5V DCDC voltage conversion module.
  • the module includes the LM2596 power IC to achieve 5V 3A power output.
  • Power chips such as LM2596 and AMS1117 perform voltage conversion to convert the backup new energy lithium battery power into the +12V, +4.2V, +3.3V power input needed for car washing and control circuit boards.
  • the working principle of the car washing machine of the present invention is as follows:
  • the water tank uses a DN15 hose to enter the high-pressure water pump inlet, and the high-pressure water pump outlet uses a high-pressure pipe to connect the one-way valve to the instant heating module water inlet, and
  • the gasification module (using the extremely fast heating module) is heated within 20 seconds to form high-pressure water vapor, which is protected by the super-high pressure automatic venting protection of the steam safety valve to ensure that the steam pressure is in a safe range.
  • the steam pressure is controlled within the working range through the pressure switch.
  • the steam pressure gauge reads the steam pressure.
  • the steam passes through the temperature control module and is adjusted to safe and usable steam.
  • the modulated steam is output from the high-pressure steam pipe, and the steam is sprayed from the high-pressure gun for car washing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种新能源环保洗车机，包括控制箱（10）和洗车模块（20），所述洗车模块（20）包括依次连接的水箱（1）、高压水泵（2）、高温单向阀（3）、气化模块（4）、安全阀（5）、压力开关（6）、压力表（7）、温控模块（8）和蒸汽枪（9）；所述控制箱（10）包括控制电路（11）和用于向控制电路（11）发送其工作指令的控制面板按键（12），所述控制箱（10）通过变压器（30）与外部电源（13）电连接，同时控制箱（10）还连接有备用电源（14）。该洗车机采用锂电池代替液化气或柴油，可以彻底解决安全、环保问题，实现洗车成本降低的目的。同时，该洗车机的蒸汽发生部分也从传统的盘管锅炉变成直流速热锅炉，在提高蒸汽的发生效率的同时，又可以节省大量的人力和物力成本。

Description

新能源环保洗车机 技术领域
本发明涉及车辆清洗领域，特别涉及一种新能源环保洗车机。
背景技术
所有传统的移动洗车机大都采用液化气和柴油作为蒸汽发生器的燃料，既不安全又不环保，产生出蒸汽的速度慢且能耗太大，洗车成本较高，因此发明一款安全、环保、低成本、高效出蒸汽洗车机，成为现在亟需解决的难题。
发明内容
本发明的目的在于克服以上缺点，提供一种新能源环保洗车机，采用锂电池代替液化气或柴油，可以彻底解决安全、环保问题，实现洗车成本降低的目的。同时，本发明所述洗车机的蒸汽发生部分也从传统的盘管锅炉变成直流速热锅炉，在提高蒸汽的发生效率的同时，又可以节省大量的人力和物力成本。
本发明通过如下技术方案实现：
一种新能源环保洗车机，包括控制箱和洗车模块，其特征在于：所述洗车模块包括依次连接的水箱、高压水泵、高温单向阀、气化模块、安全阀、压力开关、压力表、温控模块、蒸汽枪；所述水箱通过软管连接高压水泵的进水口，所述高压水泵的出水口用高压管连接高温单向阀后接进气化模块的进水口，使水箱内的水流经过气化模块加热形成高压水蒸汽，所述气化模块的出气口连接安全阀后连接压力开关，通过压力开关将高压水蒸汽的压力控制在工作范围，所述压力表用于读取高压水蒸汽的压力，高压水蒸汽经过温控模块调节为洗车机安全可用的蒸汽，再经过高压蒸汽管输出至蒸汽枪喷出蒸汽供洗车；所述控制箱包含控制电路和用于向控制电路发送其工作指令的控制面板按键，所述控制箱通过变压器与外部电源电连接，同时所述控制箱还连接有备用电源。为了方便洗车机的使用，所述备用电源的来源可以采用将控制箱连接至各种电动车的车载锂电池，也可以是采用一套为本发明所述洗车机专门独立配置的新能源锂电池组。
进一步的，所述控制电路包括：输出继电器控制电路、通讯单元电路、定 位单元电路、显示单元电路、传感单元电路、备用电池充电管理电路、按键与指示电路、实时时钟电路、电源管理电路及中心处理器电路。所述输出继电器控制电路用于控制外部接触器的通断；所述通讯单元电路用于对洗车机的实现移动网络通讯和蓝牙通讯的双重控制；所述定位单元电路用于实时实现洗车机的准确定位；所述显示单元电路用于实现对洗车机的连接显示屏的显示控制和电源管理；所述传感单元电路用于对洗车机的蒸汽温度检测、水位及油位监测、以及投币计量；所述备用电池充电管理电路，用于对锂电池的充电管理以及对洗车机的控制电路的供电管理；所述按键与指示电路用于管理系统的各种按键和设备运行状态指示灯；所述实时时钟电路用于实现整个系统的计时及定时唤醒功能。所述电源管理电路用于进行电压变换，将车载电池电源变换成洗车及控制电路板需要的各种电源输入；所述中心处理器电路用于作为对整个控制电路板的控制。
进一步的，所述通讯单元电路包括移动通讯单元和蓝牙通讯两部分，用于对洗车机实现移动通讯和蓝牙通讯的双重控制；其中所述GPRS通讯单元，采用移动模组M26，用于实现连接运营商网络并与洗车应用后台服务器相连接；所述蓝牙通讯单元采用的是低功耗BT16蓝牙模组，采用Airoha蓝牙4.2BLE单芯片AB1602。
进一步的，所述定位单元电路采用HT-1010U7GPS/北斗双模全球定位单元，用于实时实现洗车机的准确定位。
进一步的，所述显示单元电路主要采用一块SP232A芯片连接串口LCD显示屏，其中显示屏的电源控制电路主要采用一块ME4953芯片来实现。
进一步的，所述按键与指示电路实现用于实现启动按键和设备运行状态指示灯；同时还可以外接16键小键盘及多个LED指示灯。
进一步的，所述传感单元电路包括温度检测单元、水位及油位监测单元、计费计量单元三个部分；其中温度检测单元为基于热电偶的蒸汽温度检测单元，采用MAX6675专用热电偶测量芯片；所述水位及油位监测单元通过运放LM2904形成信号调理电路，进入主处理器的ADC采样通道，用于连续测量水位和油位信号；所述计量单元通过光耦实现流量计对出气量及出水量的检测；同时J7的端子可以实现计费的检测。
进一步的，所述实时时钟电路采用BM8563实时时钟芯片，实现整个系统的 计时及定时唤醒功能。
进一步的，所述中心处理器电路采用STC 8A8K64S4单片机，具有12位的ADC采样及4个UART口，用于实现该线路板的控制需要，具有优良的抗干扰性能。
进一步的，所述输出继电器控制电路的继电器模块采用T92型继电器控制外部接触器的通断，T92选用30A工作电流的型号。
进一步的，所述备用电池充电管理电路，采用ETA4056锂电池充电专用管理IC；所述备用电池充电管理电路还包含板载的法拉电容和可外接的可充电锂电池，用于在洗车机关机状态下，进行供电管理以实现主处理器工作处于待机模式，并维持系统发出定位及车况状态信号。
进一步的，所述电源管理电路主要包含一个DC12V(DC24V)转5V的DCDC电压转换模组，该模组提供LM2596电源IC，实现5V 3A的电源输出；还通过LM2596和AMS1117电源芯片进行电压变换，将备用新能源锂电池电源变换成洗车及控制电路板需要的各种电源输入。
较之现有技术而言，本发明的有益效果为：
(1)针对移动洗车进行全面的需求针对性设计，GPRS和蓝牙的独立双模使用具有移动洗车和更灵活的通信控制方式。
(2)通过对洗车设备的定位和多重传感的设置，使洗车设备的监控更加全面。
(3)优良的低功耗特性，一旦设备关机，整体系统就要靠电池实现设备状态检测及信息上报，所以低功耗设计将使产品更灵活的应用于各种场景。
(4)采用锂电池代替液化气或柴油，可以彻底解决安全、环保问题，实现洗车成本降低的目的。同时，本发明所述洗车机的蒸汽发生部分也从传统的盘管锅炉变成直流速热锅炉，在提高蒸汽的发生效率的同时，又可以节省大量的人力和物力成本。
附图说明
下面参照附图结合实施例对本发明作进一步说明：
图1为本发明新能源环保洗车机的整体结构组成示意图；
图2为本发明新能源环保洗车机的控制电路的框架示意图；
图3为所述控制电路中的通讯单元电路的GPRS通讯单元电路原理图；
图4为所述控制电路中的通讯单元电路的蓝牙通讯单元电路原理图；
图5为所述控制电路中的定位单元电路示意图；
图6为所述控制电路中的显示单元电路示意图；
图7为所述控制电路中的按键与指示电路示意图；
图8是所述控制电路中的传感单元电路示意图；
图9是所述控制电路中的实时时钟电路示意图；
图10是所述控制电路中的中心处理器电路示意图；
图11是所述控制电路中的输出继电器控制电路示意图；
图12是所述控制电路中的备用电池充电管理电路示意图；
图13是所述控制电路中的电源管理电路示意图；
标号说明：水箱1、高压水泵2、高温单向阀3、气化模块4、安全阀5、压力开关6、压力表7、温控模块8、蒸汽枪9、控制箱10、控制电路11、控制面板按键12、外接电源13、新能源锂电池14、水箱液位器15、洗车模块20、变压器30。
具体实施方式
下面结合说明书附图和具体实施例对本发明内容进行详细说明：
如图1所示，一种新能源环保洗车机，包括控制箱10和洗车模块20，其特征在于：所述洗车模块20包括依次连接的水箱1、高压水泵2、高温单向阀3、气化模块4、安全阀5、压力开关6、压力表7、温控模块8、蒸汽枪9；所述水箱通过软管连接高压水泵的进水口，所述高压水泵的出水口用高压管连接高温单向阀后接进气化模块的进水口，使水箱内的水流经过气化模块加热形成高压水蒸汽，所述气化模块的出气口连接安全阀后连接压力开关，通过压力开关将高压水蒸汽的压力控制在工作范围，所述压力表用于读取高压水蒸汽的压力，高压水蒸汽经过温控模块调节为洗车机安全可用的蒸汽，再经过高压蒸汽管输出至蒸汽枪喷出蒸汽供洗车；所述控制箱10包含控制电路11和用于向控制电路发送其工作指令的控制面板按键12，所述控制箱10通过变压器30与外部电源13电连接，同时所述控制箱10还连接有备用电源14。为了方便洗车机的使 用，所述备用电源14的来源可以采用将控制箱10连接至各种电动车的车载锂电池，也可以是采用一套为本发明所述洗车机专门独立配置的新能源锂电池组。
如图2，所述控制电路包括：输出继电器控制电路、通讯单元电路、定位单元电路、显示单元电路、传感单元电路、备用电池充电管理电路、按键与指示电路、实时时钟电路、电源管理电路及中心处理器电路。所述输出继电器控制电路用于控制外部接触器的通断；所述通讯单元电路用于对洗车机的实现移动网络通讯和蓝牙通讯的双重控制；所述定位单元电路用于实时实现洗车机的准确定位；所述显示单元电路用于实现对洗车机的连接显示屏的显示控制和电源管理；所述传感单元电路用于对洗车机的蒸汽温度检测、水位及油位监测、以及投币计量；所述备用电池充电管理电路，用于对锂电池的充电管理以及对洗车机的控制电路的供电管理；所述按键与指示电路用于管理系统的各种按键和设备运行状态指示灯；所述实时时钟电路用于实现整个系统的计时及定时唤醒功能。所述电源管理电路用于进行电压变换，将车载电池电源变换成洗车及控制电路板需要的各种电源输入；所述中心处理器电路用于作为对整个控制电路板的控制。
如图3和图4，是所述通讯单元电路的电路原理图，包括移动通讯单元和蓝牙通讯两部分，用于对洗车机的实现移动通讯和蓝牙通讯的双重控制。如图3，其中所述GPRS通讯单元，采用移远的移动模组M26，工作频段:GSM850/900/1800/1900MHz；用于实现数据连接中国移动onenet平台，并与洗车应用后台服务器相连接。在所述通讯单元电路电路设置中可以实现较低的待机电流，低至1.3mA。在GPRS通讯单元部分同时实现了TTS语音电路，使得云端可以下发文本语音播报，通过HT6871音频功放电路可以连接2W/8R的喇叭进行播放。如图4，所述蓝牙通讯单元采用的是低功耗蓝牙电路，具体是采用BT16蓝牙模组，采用Airoha蓝牙4.2BLE单芯片AB1602。采用该蓝牙芯片拥有比传统蓝牙有更远的距离通信；可以115200bps的速度与外部连接；支持洗车用户的手机连接控制洗车设备；其正常工作模式的工作电流仅为4mA多点。
如图5，所述定位单元电路采用HT-1010U7GPS/北斗双模全球定位单元，用于实时实现洗车机的准确定位，精度可达5米，便于服务器准确判断洗车机的所在位置，并可最优化地为其分配洗车订单任务。
如图6，所述显示单元电路主要采用一块SP232A芯片连接串口LCD显示屏， 具体如连接中显、大彩等厂家的产品；其中显示屏的电源控制电路主要采用一块ME4953芯片来实现。
如图7，所述按键与指示电路实现用于实现启动按键和设备运行状态指示灯；同时还可以外接16键小键盘及多个LED指示灯。
如图8，所述传感单元电路包括温度检测单元、水位及油位监测单元、计量单元三个部分。其中温度检测单元为基于热电偶的蒸汽温度检测单元，采用MAX6675专用热电偶测量芯片，可以实现-100度到+800度的温度测量，测量精度为0.25摄氏度。所述水位及油位监测单元通过运放LM2904形成信号调理电路，进入主处理器的ADC采样通道，能连续测量水位和油位信号。所述计量单元通过光耦可以实现流量计的对出口气量及出水量的检测；同时J7的端子在里也可以实现投币数量的检测。
如图9，所述实时时钟电路采用BM8563实时时钟芯片，实现整个系统的计时及定时唤醒功能。
如图10，所述中心处理器电路(MCU电路)采用STC 8A8K64S4单片机，具有12位的ADC采样及4个UART口，能较高性价比的实现该线路板的控制需要，具有优良的抗干扰性能。
如图11，所述输出继电器控制电路的继电器模块采用T92型继电器控制外部接触器的通断，T92选用30A工作电流的型号。
如图12，所述备用电池充电管理电路，包括K部分的电路，采用ETA4056锂电池充电专用管理IC。备用电池充电管理电路，包含板载的法拉电容和可外接的可充电锂电池，用于在洗车机熄火状态下，进行供电管理。以实现主处理器工作于待机模式，并维持系统发出定位及车况状态信号。
如图13，所述电源管理电路的核心是一个DC12V(DC24V)转5V的DCDC电压转换模组，该模组包括LM2596电源IC，实现5V 3A的电源输出。LM2596和AMS1117等电源芯片进行电压变换，将备用新能源锂电池电源变换成洗车及控制电路板需要的+12V、+4.2V、+3.3V等电源输入。
本发明所述的洗车机的工作原理如下：
首先将自来水用DN15软管连接进入水箱，通过水箱液位器15控制水位，水箱用DN15软管进入高压水泵进水口，高压水泵出水口用高压管连接单向阀进入即热模块进水口，通过气化模块(采用极速加热模块)二十秒内加热形成高 压水蒸气，经过蒸汽安全阀超高压自动放气保护，以保证蒸汽压在安全范围，经过压力开关将蒸汽压力控制在工作范围，经过蒸汽压力表，读取蒸汽压力，蒸汽经过温控模块，调节为安全可用蒸汽，调制好的蒸汽由高压蒸汽管输出，从高压枪喷出蒸汽供洗车。
上述具体实施方式只是对本发明的技术方案进行详细解释，本发明并不只仅仅局限于上述实施例，凡是依据本发明原理的任何改进或替换，均应在本发明的保护范围之内。

Claims (10)

  1. 一种新能源环保洗车机，包括控制箱和洗车模块，其特征在于：所述洗车模块包括依次连接的水箱、高压水泵、高温单向阀、气化模块、安全阀、压力开关、压力表、温控模块、蒸汽枪；所述水箱通过软管连接高压水泵的进水口，所述高压水泵的出水口用高压管连接高温单向阀后接进气化模块的进水口，使水箱内的水流经过气化模块加热形成高压水蒸汽，所述气化模块的出气口连接安全阀后连接压力开关，通过压力开关将高压水蒸汽的压力控制在工作范围，所述压力表用于读取高压水蒸汽的压力，高压水蒸汽经过温控模块调节为洗车机安全可用的蒸汽，再经过高压蒸汽管输出至蒸汽枪喷出蒸汽供洗车；所述控制箱包含控制电路和用于向控制电路发送其工作指令的控制面板按键，所述控制箱通过电源开关与外部电源电连接，同时所述控制箱还连接有备用电源。
  2. 根据权利要求1所述的新能源环保洗车机，其特征在于：所述控制电路包括：输出继电器控制电路、通讯单元电路、定位单元电路、显示单元电路、传感单元电路、备用电池充电管理电路、按键与指示电路、实时时钟电路、电源管理电路及中心处理器电路。所述输出继电器控制电路用于控制外部接触器的通断；所述通讯单元电路用于对洗车机的实现移动网络通讯和蓝牙通讯的双重控制；所述定位单元电路用于实时实现洗车机的准确定位；所述显示单元电路用于实现对洗车机的连接显示屏的显示控制和电源管理；所述传感单元电路用于对洗车机的蒸汽温度检测、水位及油位监测、以及计费计量；所述备用电池充电管理电路，用于对锂电池的充电管理以及对洗车机的控制电路的供电管理；所述按键与指示电路用于管理系统的各种按键和设备运行状态指示灯；所述实时时钟电路用于实现整个系统的计时及定时唤醒功能。所述电源管理电路用于进行电压变换，将新能源电源变换成洗车及控制电路板需要的各种电源输入；所述中心处理器电路用于作为对整个控制电路板的控制。
  3. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述通讯单元电路包括移动通讯单元和蓝牙通讯两部分，用于对洗车机的实现移动通讯和蓝牙通讯的双重控制；其中所述GPRS通讯单元，采用M26通讯模组，用于实现连接运营商网络并与洗车应用后台服务器相连接；所述蓝牙通讯单元采用的是低功耗BT16蓝牙模组，采用Airoha蓝牙4.2BLE单芯片AB1602。
  4. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述显示单元电路主要采用一块SP232A芯片连接串口LCD显示屏，其中显示屏的电源控制电 路主要采用一块ME4953芯片来实现。
  5. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述传感单元电路包括温度检测单元、水位及油位监测单元、计费计量单元三个部分；其中温度检测单元为基于热电偶的蒸汽温度检测单元，采用MAX6675专用热电偶测量芯片；所述水位及油位监测单元通过运放LM2904形成信号调理电路，进入主处理器的ADC采样通道，用于连续测量水位和油位信号；所述计量单元通过光耦实现流量计对出口气量及出水量的检测；同时可以实现计费的检测。
  6. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述实时时钟电路采用BM8563实时时钟芯片，实现整个系统的计时及定时唤醒功能。
  7. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述中心处理器电路采用STC 8A8K64S4单片机，具有12位的ADC采样及4个UART口，用于实现该线路板的控制需要，具有优良的抗干扰性能。
  8. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述输出继电器控制电路的继电器模块采用T92型继电器控制外部接触器的通断，T92选用30A工作电流的型号。
  9. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述备用电池充电管理电路，采用ETA4056锂电池充电专用管理IC；所述备用电池充电管理电路还包含板载的法拉电容和可外接的可充电锂电池，用于在洗车机关机状态下，进行供电管理以实现主处理器工作于待机模式，并维持系统发出定位及车况状态信号。
  10. 根据权利要求2所述的新能源环保洗车机，其特征在于：所述电源管理电路主要包含一个DC12V(DC24V)转5V的DCDC电压转换模组，该模组提供LM2596电源IC，实现5V 3A的电源输出；还通过LM2596和AMS1117电源芯片进行电压变换，将备用新能源锂电池电源变换成洗车及控制电路板需要的各种电源输入。
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