Motor home electrical system intelligent centralized control box and motor home

Abstract

The utility model relates to the technical field of motor homes, and provides a motor home electrical system intelligent centralized control box, which comprises a power supply module, a control module, a display control screen, a plurality of control output circuits, an AC220V equipment module, a DC12V equipment module and a light control module, the power supply module supplies power to the control module, the display control screen, the water level detection module, the AC220V equipment module, the DC12V equipment module and the light control module; the display control screen is connected with the control module, the control module is respectively connected with the AC220V equipment module, the DC12V equipment module and the light control module through the control output circuit, and the AC220V equipment module, the DC12V equipment module and the light control module are provided with a plurality of line connectors which are respectively connected with AC220V equipment, DC12V equipment and light equipment. The AC220V device, the DC12V device and the light device are directly connected to the AC220V device module, the DC12V device module and the light control module are controlled by the control module through the line connector, and the complexity of circuit installation is reduced through the design of the line connector.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of house car, especially a house car electrical system intelligent centralized control box and house car. BACKGROUND

[0002] With the social economic development, the automobile has been the world economy's support product, and the automobile product is widely used in people's life, and due to the automobile product subdivision, many are used in house car, medical health, medical aid, rescue, leisure tourism, aid station etc.

[0003] House car, also called "house on wheels", has two functions of "house" and "car", but its attribute is still car, and it is a kind of movable car with basic facilities for home, and the house car is a fashionable facility car introduced from abroad, and the home facilities on the car include bedding, stove, refrigerator, cupboard, sofa, dining table and chair, washing facilities, air conditioner, television, sound equipment and other furniture and electrical appliances, which can be divided into driving area, living area, bedroom area, sanitary area and kitchen area, and the house car is a fashionable product integrating "clothing, food, shelter and travel", realizing "life in travel and travel in life".

[0004] The electrical system on the house car is an important part of the house car, at present, various special electrical equipment is used in the equipment to meet the needs of various functions of the vehicle, and the design, production, assembly and debugging of the vehicle need professional electrical technicians with high technical level and practical ability, and the assembly process is complex, the technical difficulty is high, and the on-site assembly and debugging takes a very long time.

[0005] Therefore, it is urgent to provide a device for quickly, simply and skillfully assembling the house car electrical system. UTILITY MODEL CONTENTS

[0006] In order to solve the above problems in the prior art, the utility model provides a house car electrical system intelligent centralized control box, which comprises a power module, a control module, a display control screen, a plurality of control output circuits, an AC220V equipment module, a DC12V equipment module and a light control module; the power module is connected with the control module, the display control screen, the AC220V equipment module, the DC12V equipment module and the light control module for power supply; the display control screen is connected with the control module, the control module is connected with the AC220V equipment module, the DC12V equipment module and the light control module through a plurality of control circuits, the AC220V equipment module, the DC12V equipment module and the light control module are provided with a plurality of line connectors to connect the AC220V equipment, the DC12V equipment and the light equipment; the control module controls the on-off of the AC220V equipment through the AC220V equipment module, the control module controls the on-off of the DC12V equipment through the DC12V equipment module, and the control module controls the on-off of the light equipment through the light control module.

[0007] The utility model provides a house car, including house car body and the house car electrical system intelligence centralized control box as above, the house car electrical system intelligence centralized control box is located on the house car body.

[0008] Based on above, compared with prior art, the utility model provides a house car electrical system intelligence centralized control box, is provided with power module, control module, display control screen, a plurality of control output circuit, AC220V equipment module, DC12V equipment module and light control module, AC220V equipment, DC12V equipment and light equipment are directly connected to AC220V equipment module, DC12V equipment module and light control module receiving control module control through line connector, the design of modularization and PCB line connector reduces the skill requirement, technical difficulty of circuit installation, reduces circuit complexity and the error probability when wiring, greatly improves vehicle installation debugging efficiency.

[0009] Other features and advantages of the utility model will be described in the subsequent specification, and, part becomes apparent from the specification, or is understood by implementing the utility model. The purpose and other beneficial effects of the utility model can be realized and obtained by the structure specially pointed out in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing a simple introduction, obviously, the following description in the drawing is some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings; In the following description, the position relationship described in the drawing, if no special indication, the direction of the component shown in the drawing is the reference.

[0011] Figure 1 The structural block diagram of the house car electrical system intelligence centralized control box provided by an embodiment of the utility model is shown in the drawing;

[0012] Figure 2 The chip schematic diagram of the control equipment provided by an embodiment of the utility model is shown in the drawing;

[0013] Figure 3 The circuit schematic diagram of the control output circuit provided by an embodiment of the utility model is shown in the drawing;

[0014] Figure 4 The circuit schematic diagram of the AC220V equipment module provided by an embodiment of the utility model is shown in the drawing;

[0015] Figure 5The utility model provides a circuit principle drawing of DC12V equipment module for an embodiment of the utility model,

[0016] Figure 6 The utility model provides a circuit principle drawing of light control module for an embodiment of the utility model,

[0017] Figure 7 The utility model provides a circuit principle drawing of voltage conversion circuit for an embodiment of the utility model,

[0018] Figure 8 The utility model provides a circuit principle drawing of first probe type water level detection circuit for an embodiment of the utility model,

[0019] Figure 9 The utility model provides a circuit principle drawing of second probe type water level detection circuit for an embodiment of the utility model,

[0020] Figure 10 The utility model provides a circuit principle drawing of resistance type water level detection module for an embodiment of the utility model,

[0021] Figure 11 The utility model provides a structure drawing of case for an embodiment of the utility model,

[0022] Figure 12 The utility model provides a circuit principle drawing of signal input control circuit for an embodiment of the utility model.

[0023] Reference signs:

[0024] Specific implementation

[0025] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment, the technical features designed in different implementation manners of the utility model described below can be combined mutually as long as they do not conflict with each other, and all other embodiments obtained by the person skilled in the art without making the creative labor on the basis of the embodiment in the utility model all belong to the scope of protection of the utility model.

[0026] In the description of the utility model, it is to be explained that all the terms (including technical terms and scientific terms) used in the utility model have the same meaning as that understood by the ordinary skilled person in the field to which the utility model belongs, and cannot be understood as limiting the utility model; it should be further understood that the terms used in the utility model should be understood as having the same meaning as the meaning of these terms in the context of the specification and the related field, and should not be understood in an idealized or overly formal sense, except as defined in the utility model.

[0027] The utility model provides a kind of motor home electrical system intelligent centralized control box, as shown in figure Figure 1 Power module, control module, display control screen, several control output circuits, AC220V equipment module, DC12V equipment module, light control module and water level detection module;Power module is connected with control module, display control screen, AC220V equipment module, DC12V equipment module and light control module and carries out power supply.

[0028] Display control screen is connected with control module, and control module is connected with AC220V equipment module, DC12V equipment module and light control module respectively by several control output circuits, and AC220V equipment module, DC12V equipment module and light control module are provided with several line connectors to connect AC220V equipment, DC12V equipment and light equipment.

[0029] Control module controls the on-off of AC220V equipment through AC220V equipment module, and is output to AC220V equipment through line connector;Control module controls the on-off of DC12V equipment through DC12V equipment module, and is output to DC12V equipment through line connector;Control module controls the on-off of light equipment through light control module, and is output to light equipment through line connector.

[0030] Specifically, AC220V equipment, DC12V equipment and light equipment are directly connected to AC220V equipment module, DC12V equipment module and light control module through several line connectors, and control module controls AC220V equipment, DC12V equipment and light equipment through AC220V equipment module, DC12V equipment module and light control module. The design of external line connector reduces the complexity of motor home power system installation, reduces assembly time, quickly, simply and skillfully assembles work, improves the reliability, safety of entire electrical system, improves vehicle grade and electrical system consistency.

[0031] Preferably, as shown in Figure 2As shown, the control module uses a single-chip microcomputer of model STM32F103, the pins of which are externally connected to a water level detection module, four control output circuits, a display control screen, and an input signal circuit. Specifically,

[0032] Further, the display control screen uses a low-temperature-resistant HMI human-machine interface, is connected to the control module through RS232, and is connected to the power module through RS485. Preferably, a sampling signal sensor and a temperature and humidity sensor are further arranged between the display control screen and the control module, and signal transmission is performed through RS485. The sampling signal sensor collects current, voltage, power, temperature, and other data, and a power system protection control function is designed. The temperature and humidity sensor collects vehicle environment temperature and humidity data, optimizes the setting of air conditioning, heating, water tank heating, and other equipment intelligent control logic through communication.

[0033] In an embodiment, the power module includes a mains access module and an energy storage battery; specifically, the mains access module is connected to the AC220V device module and the energy storage battery through the charging and inverter all-in-one machine, supplies power to the AC220V device module, and charges the energy storage battery; specifically, the mains access module accesses external AC220V mains power, which can directly power the AC220V devices, and can also be converted by the charging and inverter all-in-one machine to charge the energy storage battery.

[0034] In an embodiment, the energy storage battery is directly connected to the DC12V device module and the light control module, and supplies power to the DC12V device module and the light control module; specifically, the energy storage battery outputs a DC12V current, which can directly power DC12V devices and light devices through the DC12V device module and the light control module. The energy storage battery can also be connected to the AC220V device module through the charging and inverter all-in-one machine, convert the output power of the energy storage battery to AC220V alternating current to power the AC220V devices, and the AC output end of the charging and inverter all-in-one machine is connected to the AC220V device module to supply power to the common end of the relay of the AC220V module. Specifically, the charging and inverter all-in-one machine uses a 12V or 48V 3000W high-frequency band UPS function charging and inverter all-in-one machine produced by Shanghai Newfox, Shanghai Lishang, and Suzhou Maili.

[0035] Preferably, an AC220V smart meter is also provided, which is connected to the AC220V circuit to collect AC220V power system data, optimizes the setting of intelligent control logic according to the energy storage battery and device power, and ensures the reliability and safety of the AC electrical system. The control module reads the collected power consumption information through RS485.

[0036] Preferably, the control box is also provided with a solar power module connected to an external solar panel at one end and to the inverter charger at the other end for converting solar energy into power for the battery.

[0037] In an embodiment, the control output circuit comprises a plurality of pins connected to the control module, a plurality of optocouplers, a plurality of transistors, and a plurality of line connectors. One end of the pins is connected to the control module, and the other end is connected to the optocouplers. The optocouplers are connected to the transistors, and the other end of the transistors is connected to the line connectors.

[0038] Preferably, in the present embodiment, there are 4 control output circuits, as shown in Figure 3 Each control output circuit is provided with 4 pins connected to the control module, 4 optocouplers connected to the control module for isolation, and 4 line connectors connected to the AC220V device module, the DC12V device module, and the light control module. The pins P0.0, P0.1, P0.2, P0.3, P0.4, P0.5, P0.6, P0.7, P2.0, P2.1, P2.2, P2.3, P2.4, P2.5, P2.6, P2.7 are connected to the pins of the control module chip. The line connectors Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15, Y16, Y17 are provided, and the AC220V device module, the DC12V device module, and the light control module are connected externally.

[0039] In an embodiment, the AC220V device module is provided with a plurality of first relays. One end of the first relays is connected to the line connectors of the control output circuit, and the other end is connected to the AC220V devices. Each first relay is also connected to a fuse, and a plurality of fuses are connected to the inverter.

[0040] Specifically, as shown in Figure 4 The AC220V device module is designed to have 6 AC220V direct output channels, one of which is used for cooling and power supply of the case 10. The 6 AC220V channels are controllable output through the touch screen and PLC (ECM), and are used for controlling the water heater, washing machine, microwave oven, electromagnetic oven, left socket, and right socket. Figure 4As shown, the first relays R1-R6 of the AC220V device module are connected with the line connectors Y12-Y17 of the control output circuit, the first relays R1-R6 are connected with the AC220V devices, and the AC220V devices connected with the AC220V module include water heater, washing machine, electromagnetic oven, microwave oven, socket, etc. The control module controls the first relays R1-R6 through the line connectors Y12-Y17 to control the switches of the above-mentioned AC220V devices.

[0041] Preferably, the AC220V device module can also be powered by the charging-inverter integrated machine, i.e. the charging-inverter integrated machine converts the electricity of the energy storage battery into electricity that can be used by the AC220V device. In order to better control the charging-inverter integrated machine, an inverter start button is also provided, which can still start the inverter when the electrical system fails. The inverter is for the charging-inverter integrated machine, i.e. for the charging-inverter integrated machine.

[0042] It should be noted that the number of line connectors and first relays is not limited to the above number, and can be increased or reduced according to actual conditions. The AC220V devices can be specifically added according to needs, and are not limited to the above devices.

[0043] In an embodiment, the DC12V device module is provided with a plurality of second relays, one end of the second relays is connected with the line connectors of the control output circuit, and the other end of the second relays is connected with the DC12V devices.

[0044] Specifically, as shown in Figure 5 , the DC12V device module is designed to have 6 controllable outputs for DC devices, which are used for inverter operation control, water pump operation control, water tank insulation control, warm air operation control, diesel heater control, and two-way standby power supply output. As shown in Figure 5 , one end of the six second relays R7-R12 of the DC12V device module is connected with the line connectors Y6, Y7, Y10, Y11 and two standby line connectors of the control output circuit, and the two standby line connectors are Y8 and Y9. The other end of the second relays R7-R12 is connected with the inverter control of the power supply module and the DC12V devices, and the DC12V devices include water pump, water tank insulation and air heater. Specifically, the DC12V devices can be specifically added according to needs, and are not limited to the above devices.

[0045] Further, as shown in Figure 5 , the DC12V device module can also be connected with constant power devices, i.e. devices that cannot stop power supply, such as step and refrigerator, etc. The energy storage battery continuously supplies power to the step and refrigerator, and is not controlled by the control module and the second relays.

[0046] Further, as shown in Figure 5As shown, the DC 12V controllable power module can be directly controlled through the circuit switch without being controlled by the control module, and mainly has independent fuel heater power output, light module power supply output, diesel stove power supply, refrigerator power supply, door light power supply output, and electric ramp power supply output. The automatic reset switch is designed to realize one-key switching of the equipment. For example Figure 5 As shown, the warm air blower, the fuel heater, the diesel stove, and the liquid level sensor are controlled through the second relay R13 and the switch K2. The line connector not connected to the control output circuit is controlled by the control module, and the switch is directly controlled. Because these devices need to respond to the demand in time, the switch directly controlled by the device is more convenient to use.

[0047] In an embodiment, as shown in Figure 6 The light control module is provided with a plurality of third relays, one end of the third relay is connected with the line connector of the control output circuit, and the other end of the third relay is connected with the light device.

[0048] Specifically, as shown in Figure 6 The six third relays R13-R18 of the light control module are connected with the line connector Y0-Y5 of the control output circuit at one end, and are connected with the light device at the other end. The light device includes atmosphere lamp, front illuminating lamp, rear illuminating lamp, spotlight, external illuminating lamp, and door lamp. When the middle door is opened, the door lamp is automatically turned on, and the electrically-driven step of the middle door is automatically extended. The front top lamp switch control, the rear top lamp switch control, the atmosphere lamp switch control, the spotlight switch control, and the external illuminating switch control are realized through the touch screen. Further, the automatic reset switch is designed to realize one-key light control.

[0049] In an embodiment, the DC 12V current provided by the energy storage battery is converted into DC 5V current through the voltage conversion circuit shown in Figure 7 The DC 5V current is input to the control module to supply power to the control module.

[0050] In an embodiment, the motor home electrical system intelligent centralized control box further includes a water level detection module. The water level detection module includes a probe type water level detection module and a resistance type water level detection module. The probe type water level detection module includes a first probe type water level detection circuit and a second probe type water level detection circuit. One end of the first probe type water level detection circuit is connected with the control module, and the other end is connected with the second probe type water level detection circuit. The second probe type water level detection circuit is connected with the water tank.

[0051] Specifically, the control module is externally connected with two kinds of water level detection modules, namely the probe type water level detection module and the resistance type water level detection module. The installation and connection are specifically made according to the type of the motor home, which meets the needs of different motor homes on the market.

[0052] In an embodiment, as shown in Figure 8As shown, the first probe type water level detection circuit includes several optocouplers; as shown Figure 9 As shown, the second probe type water level detection circuit includes several electrodes, a first row of resistors, a second row of resistors, and several comparison operators. One end of the electrodes is placed in the water tank, and the other end is connected to the first row of resistors, the second row of resistors, and the comparison operators. Specifically, the optocouplers of the first probe type water level detection circuit are used for isolation to ensure the safety of the control module chip. The first row of resistors and the second row of resistors have four parallel resistors. Each electrode is connected to one resistor. When the water level changes, the resistors of the first row of resistors and the second row of resistors will change. At this time, the comparison operator will output different signals according to the change of the resistor, and then display the water level. Preferably, the four electrodes respectively represent 25%, 50%, 75%, and 100% of the quantity. When water is added, different electrode responses represent that the water has been added to the water level corresponding to the electrode.

[0053] In an embodiment, as shown Figure 10 As shown, the resistance type water level detection module includes a variable resistor and an operational amplifier. The variable resistor is connected to the non-inverting input pin of the operational amplifier, and the output pin of the operational amplifier is connected to the control module. Specifically, a 0-190Ω floating ball type water level monitoring circuit is designed, as shown Figure 10 As shown, the 0-190Ω floating ball type is a variable resistor in the circuit. The size of the variable resistor represents the water level in the water tank. The operational amplifier converts the resistance value of the variable resistor into an analog output. The control module reads the analog output to determine the water level in the water tank.

[0054] In actual use, when the water level is lower than the set value, the water pump and the washing machine power are turned off. When the gray water level is higher than the set value, the water pump can be turned off. When the above two conditions are triggered, the touch screen buzzer alarm sound and the subtitle on the lower part of the touch screen are displayed synchronously.

[0055] Preferably, as shown Figure 11 As shown, the motor home electrical system intelligent centralized control box is further provided with a machine case 10, which integrates the power module, the control module, the display control screen, the plurality of control output circuits, the AC 220V equipment module, the DC 12V equipment module, the light control module, the charging and inverter all-in-one machine, the probe type water level detection module, and the resistance type water level detection module inside the machine case 10. The outer wall of the machine case 10 has two sides reserved with arch-shaped process holes 11, which facilitates the disassembly, fixing, and maintenance of the all-in-one machine. The charging and inverter all-in-one machine is arranged at the lower part of the machine case 10. The control module, the plurality of control output circuits, the AC 220V equipment module, the DC 12V equipment module, the light control module, the probe type water level detection module, and the resistance type water level detection module all have corresponding circuit boards, which are installed at the middle and upper parts of the machine case 10 and are arranged in an orderly manner in terms of height, which is convenient for connecting with external line connectors. The display control screen is installed outside the machine case 10 for convenient control.

[0056] Preferably, the central distribution lines of the control module, the AC 220V device module and the DC 12V device module are connected by special AC line connectors and DC line connectors, which are arranged on the left side of the electric wire. The positive and negative poles of the air conditioner power supply are controlled by a 150A-250A DC contactor output, and are led out from the left side of the case 10 through 555 or 333 line connectors, so as to facilitate the connection of the air conditioner power supply.

[0057] Further, a 2P125A DC circuit breaker is used in parallel or a manual rotary power switch is used as a power supply master switch, so as to facilitate the disconnection of the energy storage battery power supply when the vehicle is stopped.

[0058] Preferably, the motor home electrical system intelligent centralized control box is also provided with a borrowing button switch, which is used to start the engine by borrowing the energy of the energy storage battery when the original vehicle battery is insufficient to start the engine.

[0059] Further, as shown in Figure 12 , an input signal electrical circuit is also provided.

[0060] Compared with the prior art, the motor home electrical system intelligent centralized control box has the following advantages:

[0061] 1. The difficulty and professional level technical requirements of on-site assembly and debugging are greatly reduced, and the assembly and debugging efficiency is greatly improved. The reliability and safety of the entire electrical system are improved, the consistency of the vehicle grade and the electrical system is improved, the after-sales service is facilitated, the after-sales service efficiency is improved, and the after-sales cost is reduced.

[0062] 2. The electrical and water supply and drainage systems of the motor home are intelligently controlled through the motor home electrical system intelligent centralized control box, thereby improving the safety and reliability of the vehicle.

[0063] 3. The power supply module realizes the functions of the mains power supply, the energy storage power supply, the new vehicle charging and the solar charging, the control module realizes the intelligent control and scheduling of the electrical equipment, the DC 12V / 24V / 48V battery, the charging and inverter integrated machine and the mechanical switch are used to realize the electrical control function, and the cost can be effectively reduced.

[0064] 4. The BMS current, voltage, power and temperature data are collected by the sampling signal sensor, and the power system protection control function is designed. When the energy storage battery power is lower than the set value, the device power is turned off.

[0065] 5. The vehicle environment temperature and humidity data are collected by the temperature and humidity sensor communication, the intelligent control logic of the air conditioner, the heater and the water tank heating device is optimized, the cooling system is turned off when the environment temperature is lower than 22 degrees, and the water tank heat preservation system power supply is turned off when the environment temperature is higher than 5 degrees.

[0066] 6. Collecting AC 220V power system data through the intelligent electric meter, and optimizing the intelligent control logic according to the energy storage battery and the equipment power, so as to ensure the reliability and safety of the AC electrical system. When the induction cooker and the microwave oven are working, the power supply of the water heater and the washing machine is automatically disconnected.

[0067] 7. Setting a button switch for borrowing power, when the original battery is insufficient to start the engine, the energy storage battery is used to start the engine.

[0068] The utility model also provides a house car, including house car body and the house car electrical system intelligent centralized control box of as above described embodiment, the house car electrical system intelligent centralized control box is located on the house car body.

[0069] In addition, those skilled in the art should understand that although there are many problems in the prior art, each embodiment or technical solution of the utility model can be improved in only one or several aspects, and it is not necessary to solve all the technical problems listed in the prior art or background art at the same time. Those skilled in the art should understand that the content not mentioned in a claim should not be regarded as a limitation of the claim.

[0070] Although the terms such as power module, control module, display control screen, several control output circuits, AC 220V equipment module, DC 12V equipment module and light control module are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to facilitate the description and explanation of the essence of the utility model; any additional limitation is contrary to the spirit of the utility model; the terms "first", "second", etc. (if exist) in the description and claims of the utility model embodiments and the above drawings are used to distinguish similar objects, and do not have to describe a specific order or sequence.

[0071] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A recreational vehicle electrical system intelligent centralized control box, characterized in that: The utility model relates to a power module, control module, display control screen, a plurality of control output circuit, AC220V equipment module, DC12V equipment module, light control module and water level detection module are included, the power module with control module, display control screen, water level detection module, AC220V equipment module, DC12V equipment module and light control module are connected and power supply is carried out, The display control screen is connected with the control module, the control module is connected with the AC220V equipment module, the DC12V equipment module and the light control module through a plurality of control output circuits, and the AC220V equipment module, the DC12V equipment module and the light control module are provided with a plurality of line connectors for connecting AC220V equipment, DC12V equipment and light equipment respectively. The control module controls the on-off of the AC220V equipment through the AC220V equipment module and outputs to the AC220V equipment through the line connector; the control module controls the on-off of the DC12V equipment through the DC12V equipment module and outputs to the DC12V equipment through the line connector; the control module controls the on-off of the light equipment through the light control module and outputs to the light equipment through the line connector.

2. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The power module includes a mains access module and an energy storage battery. The mains access module is connected with the AC220V equipment module and the energy storage battery respectively, supplies power for the AC220V equipment module, and charges the energy storage battery; The energy storage battery is directly connected with the DC12V equipment module and the light control module, and supplies power for the DC12V equipment module and the light control module; The energy storage battery is connected with the AC220V equipment module through a charging-inverter integrated machine, and converts the power output by the energy storage battery into power used by the AC220V equipment module; The charging-inverter integrated machine is one of DC12V 3000W Shanghai Newfox charging-inverter integrated machine, Shanghai Lishang charging-inverter integrated machine and Suzhou Maili charging-inverter integrated machine.

3. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The control output circuit includes a plurality of pins connected with the control module, a plurality of photocouplers, a plurality of transistors and a plurality of line connectors, one end of the pin is connected with the control module, the other end is connected with the photocoupler, the photocoupler is connected with the transistor, and the other end of the transistor is connected with the line connector.

4. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The AC220V equipment module is provided with a plurality of first relays, one end of the first relay is connected with the line connector of the control output circuit, the other end of the first relay is connected with the AC220V equipment, each first relay is further connected with a fuse, and a plurality of fuses are connected with an inverter.

5. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The DC 12V device module is provided with a plurality of second relays, one end of the second relay is connected with the line connector of the control output circuit, and the other end of the second relay is connected with the DC 12V device.

6. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The light control module is provided with a plurality of third relays, one end of the third relay is connected with the line connector of the control output circuit, and the other end of the third relay is connected with the light device.

7. The intelligent centralized control box for recreational vehicle electrical systems of claim 1, wherein: The water level detection module includes a probe type water level detection module and a resistance type water level detection module, the probe type water level detection module includes a first probe type water level detection circuit and a second probe type water level detection circuit, one end of the first probe type water level detection circuit is connected with the control module, the other end is connected with the second probe type water level detection circuit, and the second probe type water level detection circuit is connected with the water tank.

8. The recreational vehicle electrical system intelligent centralized control box of claim 7, wherein: The first probe type water level detection circuit includes a plurality of photoelectric couplers, the second probe type water level detection circuit includes a plurality of electrodes, a first row of resistors, a second row of resistors and a plurality of comparison operators, one end of the plurality of electrodes is placed in the water tank, and the other end is connected with the first row of resistors, the second row of resistors and the comparison operators. The resistance type water level detection module includes a variable resistor and an operational amplifier, the variable resistor is connected with the non-inverting input pin of the operational amplifier, and the output pin of the operational amplifier is connected with the control module.

9. The intelligent centralized control box for recreational vehicle electrical systems of claim 2, wherein: A machine box is further provided, the power module, the control module, the plurality of control output circuits, the AC 220V device module, the DC 12V device module, the light control module, the water level detection module and the charging and inverter integrated machine are integrated in the machine box; an arch-shaped process hole is arranged on the outer wall of the machine box. The control module, the AC 220V device module, the DC 12V device module, the light control module and the water level detection module are arranged on the upper part of the machine box, and the charging and inverter integrated machine is not on the lower part of the machine box.

10. A recreational vehicle characterized by: The motor home includes a motor home body and the motor home electrical system intelligent centralized control box according to any one of claims 1-9, and the motor home electrical system intelligent centralized control box is arranged on the motor home body.

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