A one-button reversing control system for a two-way fire truck

The one-button reversing function of the two-way fire truck is realized through the intelligent controller, which solves the problem of cumbersome manual reversing operation in the existing technology and improves emergency response speed and maneuverability.

CN111569330BActive Publication Date: 2025-03-18SINOTRUK GRP JINAN SPECIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202010466630.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-05-28
Publication Date
2025-03-18
Estimated Expiration
2040-05-28

AI Technical Summary

Technical Problem

Existing two-way fire trucks require manual reversal operation, which is cumbersome and wastes rescue time.

Method used

The intelligent controller is used to determine the vehicle speed, braking status of the main and auxiliary drivers, and gearbox gears, and one-click reversing function to ensure that the vehicle synchronously switches driving rights, braking, steering and rearview mirror systems without turning off the engine.

Benefits of technology

It improves the emergency response speed of firefighters, simplifies redirection operations, and reduces the waste of rescue time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention patent relates to a one-button reversing control system for a two-way fire truck. The invention patent collects vehicle information through a controller to determine the reversing operation, and effectively distinguishes the power supply of the vehicle's electrical equipment, so that a one-button reversing switch can be implemented to achieve the requirement of reversing the vehicle without stopping. The invention patent includes: a two-way vehicle control unit assembly, a main vehicle KL15 relay, a secondary vehicle KL15 relay, a KL15 normally powered relay, a main and secondary vehicle KL30 conversion relay, a neutral switch, a handbrake signal switch, a vehicle speed sensor, a one-button reversing switch, a main and secondary vehicle key switch, etc. The system controls the KL15 power supply of the engine, gearbox and other systems through the KL15 normally powered relay to ensure that the related components are powered on when the vehicle is reversed, thereby achieving rapid reversing of the vehicle without stopping.
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Description

Technical Field

[0001] The patent of this invention relates to a one-button reversing control system for a two-way fire truck. Background Art

[0002] The two-way fire truck, because the vehicle can travel normally in both the front and rear directions, is adapted to the emergency characteristics of the fire truck, and fully demonstrates its flexible and maneuverable characteristics in tunnel firefighting and urban fire rescue. Domestic two-way fire trucks all use manual reversing operation, which requires the driver to confirm a series of issues such as the gear information of the transmission, the status of the handbrake, and the status of the rearview mirror one by one when reversing. In addition, the operation is cumbersome, and the driver needs to do a lot of work before and after reversing, wasting rescue time. Therefore, an intelligent reversing system that can automatically identify the vehicle status and ensure that the vehicle can achieve synchronous switching of a series of systems such as driving rights, braking, steering, and rearview mirrors by operating the reversing switch without turning off the engine, maximizes the emergency response speed of firefighters. Summary of the invention

[0003] The purpose of the present invention is to address the gap in the prior art. In order to overcome the shortcomings of the prior art, the present invention provides a one-key reversing control system for a two-way fire truck. The system adopts an intelligent controller to determine whether one-key reversing is feasible by determining the vehicle speed, the hand brake conditions of the main and auxiliary vehicles, the gear position of the gearbox and other information. By classifying the power supply of the front and rear vehicles, it is ensured that the vehicle can switch the driving rights of the main and auxiliary vehicles without stopping the engine. The present invention fills the gap in this field in China. It effectively guarantees the high maneuverability and high response speed of the two-way fire truck.

[0004] The purpose of the present invention is to realize the above functions, and the specific measures are as follows: a one-button reversing control system for a two-way fire truck, including a reversing controller, a power control device, a power output and braking device, a circuit control and an alarm device;

[0005] The power control device includes a battery, a main power switch, a main vehicle and a secondary vehicle key and a switching switch fuse, a reversing controller fuse, a main vehicle key switch assembly, a secondary vehicle key switch assembly, a main vehicle one-button reversing switch, a secondary vehicle one-button reversing switch, a main vehicle handbrake signal switch, a secondary vehicle handbrake signal switch, and a gearbox neutral signal switch. The positive pole of the battery is connected to the input port of the main power switch through a wiring harness, the output port of the main power switch is connected to the a.1 power supply terminal of the reversing controller through a wiring harness via a reversing controller fuse, and the negative pole of the battery is connected to the a.2 ground terminal of the reversing controller through a wiring harness; the output port of the main power switch is connected to 30 points of the main vehicle key switch assembly through a wiring harness via the main and auxiliary vehicle keys and the switching switch fuse; 15 points of the main vehicle key switch assembly are connected to a.3 point of the reversing controller through a wiring harness; 50 points of the main vehicle key switch assembly are connected to a.4 point of the reversing controller through a wiring harness; the output port of the main power switch is connected to 30 points of the auxiliary vehicle key switch assembly through a wiring harness via the main and auxiliary vehicle keys and the switching switch fuse; 15 points of the auxiliary vehicle key switch assembly are connected to the reversing controller through a wiring harness a.5; point 50 of the secondary vehicle key switch assembly is connected to point a.6 of the above-mentioned reversing controller via a wiring harness; the output pin of the main power switch is connected to the main and secondary vehicle keys and the switching switch safety device through a wiring harness, and the other ends of the main and secondary vehicle keys and the switching switch safety device are connected to the one-touch reversing switch input port of the main vehicle, and the output port of the one-touch reversing switch of the main vehicle is connected to a.7 of the reversing controller; the other ends of the main and secondary vehicle keys and the switching switch safety device are connected to the one-touch reversing switch input port of the secondary vehicle, and the output port of the one-touch reversing switch of the secondary vehicle is connected to a.8 of the reversing controller; a.9 of the reversing controller is connected to the main vehicle handbrake signal switch, the secondary vehicle handbrake signal switch and the negative electrode of the battery in sequence through a wiring harness; a.10 of the reversing controller is connected to the gearbox neutral signal switch and the negative electrode of the battery in sequence through a wiring harness.

[0006] The power output and braking device includes a vehicle CAN network, a CAN line, a vehicle speed sensor, a main vehicle accelerator pedal, a secondary vehicle accelerator pedal, a shielded cable a, a shielded cable b, a main and secondary vehicle brake valve reversing relay, and an engine ECU; the a.11 pin of the reversing controller is connected to the signal output port of the vehicle speed sensor through a wiring harness; the a.12 and a.13 pins of the reversing controller are respectively connected to the CAN-H and CAN-L of the vehicle CAN network through twisted pair cables; the main vehicle accelerator input pin a.14 of the reversing controller is connected to the signal 1 of the main vehicle accelerator pedal through a wiring harness; the main vehicle accelerator input pin a.15 of the reversing controller is connected to the signal 2 of the main vehicle accelerator pedal through a wiring harness; the secondary vehicle accelerator input pin a.16 of the reversing controller is connected to the signal 1 of the main vehicle accelerator pedal through a wiring harness The wiring harness is connected to the signal 1 of the accelerator pedal of the auxiliary vehicle; the throttle input pin a.17 of the main vehicle of the reversing controller is connected to the signal 2 of the accelerator pedal of the auxiliary vehicle through the wiring harness; the throttle output pin a.18 of the reversing controller is connected to the throttle signal 1 input pin of the engine ECU through the wiring harness; the throttle output pin a.19 of the reversing controller is connected to the throttle signal 2 input pin of the engine ECU through the wiring harness; the a.24 pin of the reversing controller is connected to the 86 pin of the parallel main and auxiliary vehicle brake valve reversing relay, the 85 pin of the main and auxiliary vehicle brake valve reversing relay is connected to the negative pole of the battery, and the 30 pin of the main and auxiliary vehicle brake valve reversing relay is connected to the vehicle insurance through the wiring harness; the a.25 pin of the reversing controller is connected to the start signal input pin of the engine ECU through the wiring harness.

[0007] The circuit control and alarm device includes a vehicle insurance device, a main vehicle 15 relay, a secondary vehicle 15 relay, a 15 constant power relay, The vehicle 30 power conversion relay; the reversing controller a.20 pin is connected to the 86 pin of the vehicle 30 power conversion relay, the 85 pin of the vehicle 30 power conversion relay is connected to the negative electrode of the battery, and the 30 pin of the vehicle 30 power conversion relay is connected to the vehicle insurance via a wiring harness; the reversing controller a.21 pin is connected to the 86 pin of the 15 constant power relay, the 85 pin of the 15 constant power relay is connected to the negative electrode of the battery, and the 30 pin of the 15 relay is connected to the vehicle insurance via a wiring harness; the reversing controller a.26 pin is connected to the 86 pin of the main vehicle 15 relay, the 85 pin of the main vehicle 15 relay is connected to the negative electrode of the battery, and the 30 pin of the main vehicle 15 relay is connected to the vehicle insurance via a wiring harness; the reversing controller a.27 pin is connected to the 86 pin of the auxiliary vehicle 15 relay, the 85 pin of the auxiliary vehicle 15 relay is connected to the negative electrode of the battery, and the 30 pin of the auxiliary vehicle 15 relay is connected to the vehicle insurance via a wiring harness.

[0008] Preferably, the one-touch reversing switch of the main vehicle and the one-touch reversing switch of the auxiliary vehicle are both self-resetting switches.

[0009] The advantages of the present invention are that the vehicle status can be automatically identified, and a series of systems such as driving rights, braking, steering, and rearview mirrors can be synchronously switched by operating a reversing switch without turning off the engine, thereby maximizing the response speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0011] Figure 1 It is a schematic diagram of the overall control circuit structure of the present invention.

[0012] Figure 2 It is a schematic diagram of the circuit structure of the power control device of the present invention.

[0013] Figure 3 It is a schematic diagram of the circuit structure of the power output and braking device of the present invention.

[0014] Figure 4 The figure is a schematic diagram of the circuit structure of the circuit control and alarm device of the present invention.

[0015] In the figure: 1 battery, 2 main power switch, 3 main and auxiliary vehicle keys and switch fuse, 4 reversing controller fuse, 5 main vehicle key switch assembly, 6 auxiliary vehicle key switch assembly, 7 main vehicle one-touch reversing switch, 8 auxiliary vehicle one-touch reversing switch, 9 main vehicle handbrake signal switch, 10 auxiliary vehicle handbrake signal switch, 11 gearbox neutral signal switch, 12 vehicle CAN network, 13 CAN line, 14 vehicle speed sensor, 15 main vehicle accelerator pedal, 16 auxiliary vehicle accelerator pedal, 17 shielded cable a, 18 shielded cable b, 19 parking brake reversing solenoid valve, 20 service brake reversing solenoid valve a, 21 service brake reversing solenoid valve b, 22 engine ECU, 23 vehicle fuse, 24 main vehicle 15 relay, 25 auxiliary vehicle 15 relay, 26 15 normal power relay, 27 Vehicle 30 power conversion relay, 28 auxiliary vehicle working indicator light fuse, 29 auxiliary vehicle emergency alarm switch fuse, 30 auxiliary vehicle headlight switch fuse, 31 main vehicle working indicator light fuse, 32 main vehicle emergency alarm switch fuse, 33 main vehicle headlight switch fuse, 34 engine and after-treatment ECU#15 electric fuse, 35 ABS-ECU#15 electric fuse, 36 transmission controller#15 electric fuse, 37 upper body controller#15 electric fuse, 38 front and rear universal switch fuse, 39 air filter and preheater type fuse, 40 reversing controller DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] See also Figure 2 A two-way fire truck one-button reversing control system, the positive electrode of the battery 1 is connected to the 1st port of the main power switch 2 through a wire, and the 2nd port of the main power switch 2 is respectively connected to the main and auxiliary vehicle keys and the switching switch safety device 3, the reversing controller safety device 4, and one end of the vehicle safety device 23 through wires.

[0019] The other end of the reversing controller fuse 4 is connected to the a.1 pin of the reversing controller 40 .

[0020] The other ends of the main and auxiliary vehicle keys and the switching switch insurance device 3 are respectively connected to 30 points of the main vehicle key switch assembly 5, 30 points of the auxiliary vehicle key switch assembly 6, the input end of the main vehicle one-key reversing switch 7, and the input end of the main vehicle one-key reversing switch 8.

[0021] Point 15 of the main vehicle key switch assembly 5 is connected to pin a.3 of the reversing controller 40 , and point 50 of the main vehicle key switch assembly 5 is connected to pin a.4 of the reversing controller 40 .

[0022] Point 15 of the auxiliary vehicle key switch assembly 6 is connected to pin a.5 of the reversing controller 40 , and point 50 of the auxiliary vehicle key switch assembly 6 is connected to pin a.6 of the reversing controller 40 .

[0023] The output end of the main vehicle one-touch reversing switch 7 is connected to the a.7 pin of the reversing controller 40.

[0024] The output end of the auxiliary vehicle one-touch reversing switch 8 is connected to the a.8 pin of the reversing controller 40.

[0025] The pin a.2 of the reversing controller 40 is connected to the negative electrode of the battery.

[0026] The pin a.10 of the reversing controller 40 is connected to the output pin of the transmission neutral signal switch 11, and the input pin of the transmission neutral signal switch 11 is connected to the negative electrode of the battery.

[0027] Pin a.9 of the reversing controller 40 is connected to the output pin of the main vehicle handbrake signal switch 9, the input pin of the main vehicle handbrake signal switch 9 is connected to the output pin of the auxiliary vehicle handbrake signal switch 10, and the input pin of the auxiliary vehicle handbrake signal switch 10 is connected to the negative pole of the battery.

[0028] See also Figure 3 , a one-button reversing control system for a bidirectional fire truck, wherein pins a.12 and a.13 of a reversing controller 40 are respectively connected to CAN-H and CAN-L of a vehicle CAN network 12 through CAN lines.

[0029] Pin a.11 of the reversing controller 40 is connected to the signal output end of the vehicle speed sensor 14 .

[0030] The signal output end of the main vehicle accelerator pedal 15 is connected to the a.14 pin and the a.15 pin of the reversing controller 40 through a shielded cable 18 .

[0031] The signal output end of the auxiliary vehicle accelerator pedal 16 is connected to the a.16 pin and the a.17 pin of the reversing controller 40 through a shielded cable 17 respectively.

[0032] Pin a.25 of the reversing controller 40 is connected to the start input pin of the engine ECU 22, and pins a.18 and a.19 of the reversing controller 40 are connected to the main and auxiliary throttle signal input pins of the engine ECU 22 through shielded cables.

[0033] Pin a.24 of the reversing controller 40 is connected to the positive terminal of the forklift brake reversing solenoid valve 19, the positive terminal of the service brake reversing solenoid valve a20, and the positive terminal of the service brake reversing solenoid valve b21.

[0034] The negative terminal of the reversing solenoid valve 19, the negative terminal of the service brake reversing solenoid valve a20, and the negative terminal of the service brake reversing solenoid valve b21 are commonly grounded.

[0035] See also Figure 4 A one-button reversing control system for a two-way fire truck, the output end of the vehicle safety device 23 is respectively connected to 30 points of the main vehicle 15 relay 24, 30 points of the auxiliary vehicle 15 relay 25, 30 points of the 15 constant power relay 26, and 30 points of the vehicle 30 power conversion relay 27.

[0036] Pin 86 of the relay 24 of the main vehicle 15 is connected to pin a.27 of the reversing controller 40 , and pin 85 of the relay 24 of the main vehicle 15 is grounded.

[0037] The 87 feet of the main vehicle 15 relay 24 are respectively connected to the main vehicle related 15 electrical insurance devices, which are used to provide 15 power for the main vehicle wipers, lights, instruments and other electrical equipment.

[0038] The pin 86 of the auxiliary vehicle 15 relay 25 is connected to the pin a.26 of the reversing controller 40, and the pin 85 of the auxiliary vehicle 15 relay 25 is grounded.

[0039] The 87 feet of the auxiliary vehicle 15 relay 25 are respectively connected to the auxiliary vehicle related 15 electrical insurance devices, which are used to provide 15 power for the auxiliary vehicle wipers, lights, instruments and other electrical equipment.

[0040] Pin 86 of the 15-phase normally-powered relay 26 is connected to pin a.21 of the reversing controller 40 , and pin 85 of the 15-phase normally-powered relay 26 is grounded.

[0041] Pin 87 of the 15th normally-powered relay 26 is respectively connected to the engine and after-processing ECU #15 fuse 34, the ABS-ECU #15 fuse 35, the transmission controller #15 fuse 36, the upper body controller #15 fuse 37, the front and rear universal switch fuse 38, and the air filter and preheater type fuse 39.

[0042] Pin 86 of the power conversion relay 27 of the whole vehicle 30 is connected to pin a.21 of the reversing controller 40 , and pin 85 of the power conversion relay 27 of the whole vehicle 30 is grounded.

[0043] The 87a pin of the power conversion relay 27 of the whole vehicle 30 is respectively connected to the main vehicle working indicator light fuse 31, the main vehicle emergency alarm switch fuse 32, and the main vehicle headlight switch fuse 33.

[0044] Pin 87 of the power conversion relay 27 of the whole vehicle 30 is respectively connected to the auxiliary vehicle working indicator light fuse 28, the auxiliary vehicle emergency alarm switch fuse 29, and the auxiliary vehicle headlight switch fuse 30.

[0045] When the reversing controller 40 is in the main driving mode, the one-touch reversing switch of the main vehicle is pressed, and the controller has no task action; when the one-touch reversing switch of the auxiliary vehicle is pressed, the handbrake signal switch is closed, the neutral signal switch is closed, and the vehicle speed is less than 5Km / h, the controller switches to the auxiliary driving mode.

[0046] When the reversing controller 40 is in the co-pilot mode, the one-touch reversing switch of the auxiliary vehicle is pressed, and the controller has no task action; when the one-touch reversing switch of the main vehicle is pressed, the handbrake signal switch is closed, the neutral signal switch is closed, and the vehicle speed is less than 5Km / h, the controller switches to the main driving mode.

[0047] When the reversing controller 40 is in the main driving mode, a.14 is connected to a.18, and a.15 is connected to a.19 inside the controller.

[0048] When the reversing controller 40 is in the co-pilot mode, the controller is internally converted to connect a.16 with a.18, and connect a.17 with a.19.

[0049] When the reversing controller 40 is in the main driving mode, when the main vehicle key switch 15 is powered on, no matter what position the auxiliary vehicle key switch is in, the main vehicle 15 electrical output pin a.27 outputs a high potential to drive the main vehicle 15 electrical relay to work, and the auxiliary vehicle 15 electrical output pin does not work. At the same time, the 15 normal electrical output pin a.21 outputs a high potential to drive the 15 normal electrical relay to work.

[0050] When the reversing controller 40 is in the main driving mode, when the main vehicle key is in the START position, no matter whether the input signal of the auxiliary vehicle key switch STRAT position is valid, the controller STRAT output pin a.25 outputs a start signal for starting the engine.

[0051] When the reversing controller 40 is in the co-pilot mode, when the auxiliary vehicle key switch 15 is powered on, no matter what position the main vehicle key switch is in, the auxiliary vehicle 15 electrical output a.27 outputs a high potential to drive the auxiliary vehicle 15 electrical relay to work, and the main vehicle 15 electrical output pin does not work, and at the same time, the 15 normal electrical output pin a.21 outputs a high potential to drive the 15 normal electrical relay to work.

[0052] When the reversing controller 40 is in the co-pilot mode and the auxiliary vehicle key is in the START position, no matter whether the input signal of the main vehicle key switch STRAT position is valid, the controller STRAT outputs a start signal through the output pin a.25 for starting the engine.

[0053] When the reversing controller 40 is in the main driving mode, no matter what state the main and co-driver driving switches are in, the brake switching output pins a.24 and 30 and the power switching output pin a.20 do not output.

[0054] When the reversing controller 40 is in the co-pilot mode, no matter what state the main and co-pilot driving switches are in, the brake switching output pin outputs a high voltage to drive the reversing solenoid valve to reverse, and the 30 power switching output pin outputs a high voltage to drive the 30 power reversing relay to work.

Claims

1. A one-button reversing control system for a bidirectional fire truck, comprising a reversing controller (40), a power control device, a power output and braking device, a circuit control and alarm device; characterized in that: The power control device comprises a battery (1), a main power switch (2), a main and auxiliary vehicle key and a switch fuse (3), a reversing controller fuse (4), a main vehicle key switch assembly (5), an auxiliary vehicle key switch assembly (6), a main vehicle one-touch reversing switch (7), an auxiliary vehicle one-touch reversing switch (8), a main vehicle handbrake signal switch (9), an auxiliary vehicle handbrake signal switch (10), and a gearbox neutral signal switch (11); the positive electrode of the battery (1) is connected to the input port of the main power switch (2) through a wiring harness, the output port of the main power switch (2) is connected to the reversing controller (40) a.1 power supply terminal through a wiring harness via the reversing controller fuse (4), and the negative electrode of the battery (1) is connected to the reversing controller (40) a.2 ground terminal through a wiring harness; The output port of the main power switch (2) is connected to point 30 of the main vehicle key switch assembly (5) through a wiring harness via the main and auxiliary vehicle keys and the switching switch safety device (3); point 15 of the main vehicle key switch assembly (5) is connected to point a.3 of the reversing controller (40) through a wiring harness; point 50 of the main vehicle key switch assembly (5) is connected to point a.4 of the reversing controller (40) through a wiring harness; the output port of the main power switch (2) is connected to point 30 of the auxiliary vehicle key switch assembly (6) through a wiring harness via the main and auxiliary vehicle keys and the switching switch safety device; point 15 of the auxiliary vehicle key switch assembly (6) is connected to point a.5 of the reversing controller (40) through a wiring harness; point 50 of the auxiliary vehicle key switch assembly (6) is connected to point a.5 of the reversing controller (40) through a wiring harness. a.6; the output pin of the main power switch (2) is connected to the main and auxiliary vehicle keys and the switching switch safety device through a wiring harness, the other end of the main and auxiliary vehicle keys and the switching switch safety device is connected to the input port of the main vehicle one-touch reversing switch (7), and the output port of the main vehicle one-touch reversing switch (7) is connected to the reversing controller (40) a.7; the other end of the main and auxiliary vehicle keys and the switching switch safety device is connected to the input port of the auxiliary vehicle one-touch reversing switch (8), and the output port of the auxiliary vehicle one-touch reversing switch (8) is connected to the reversing controller (40) a.8; a.9 of the reversing controller (40) is connected to the main vehicle handbrake signal switch (9), the auxiliary vehicle handbrake signal switch (10) and the negative electrode of the battery (1) in sequence through a wiring harness; a.10 of the reversing controller (40) is connected through a wiring harness The transmission neutral signal switch (11) and the negative electrode of the battery (1) are connected in sequence; the power output and braking device comprises a vehicle CAN network (12), a CAN line (13), a vehicle speed sensor (14), a main vehicle accelerator pedal (15), a secondary vehicle accelerator pedal (16), a shielded cable a (17), a shielded cable b (18), a main vehicle and secondary vehicle brake valve reversing relay, and an engine ECU (22); the a.11 pin of the reversing controller (40) is connected to the signal output port of the vehicle speed sensor (14) through a wiring harness; the a.12 and a.13 pins of the reversing controller (40) are respectively connected to the CAN-H and CAN-L of the vehicle CAN network (12) through twisted pair cables; the main vehicle accelerator input pin a.14 is connected to the signal 1 of the main vehicle accelerator pedal (15) through a wiring harness; the main vehicle accelerator input pin a.15 of the reversing controller (40) is connected to the signal 2 of the main vehicle accelerator pedal (15) through a wiring harness; the auxiliary vehicle accelerator input pin a.16 of the reversing controller (40) is connected to the signal 1 of the auxiliary vehicle accelerator pedal (16) through a wiring harness; the main vehicle accelerator input pin a.17 of the reversing controller (40) is connected to the signal 2 of the auxiliary vehicle accelerator pedal (16) through a wiring harness; the throttle output pin a.18 of the reversing controller (40) is connected to the throttle signal 1 input pin of the engine ECU (22) through a wiring harness; the throttle output pin a.19 of the reversing controller (40) is connected to the throttle signal 1 input pin of the engine ECU (22) through a wiring harness; The throttle signal 2 input pin of the engine ECU (22) is connected via a wiring harness; the a.24 pin of the reversing controller (40) is connected to the 86 pin of the parallel main and auxiliary vehicle brake valve reversing relay, the 85 pin of the main and auxiliary vehicle brake valve reversing relay is connected to the negative electrode of the battery (1), and the 30 pin of the main and auxiliary vehicle brake valve reversing relay is connected to the vehicle insurance via a wiring harness; the a.25 pin of the reversing controller (40) is connected to the start signal input pin of the engine ECU (22) via a wiring harness; the circuit control and alarm device includes a vehicle insurance device (23), a main vehicle 15 relay (24), an auxiliary vehicle 15 relay (25), a 15 constant power relay (26), The vehicle 30 power conversion relay (27); the reversing controller (40) a.20 pin is connected to the 86 pin of the vehicle 30 power conversion relay (27), the 85 pin of the vehicle 30 power conversion relay (27) is connected to the negative electrode of the battery (1), and the 30 pin of the vehicle 30 power conversion relay (27) is connected to the vehicle insurance via a wiring harness; the reversing controller (40) a.21 pin is connected to the 86 pin of the 15 normal power relay (26), the 85 pin of the 15 normal power relay (26) is connected to the negative electrode of the battery (1), and the 15 normal power relay (26) is connected to the negative electrode of the battery (1). Pin 30 is connected to the vehicle insurance via a wiring harness; Pin 26 of the reversing controller (40) is connected to Pin 86 of the main vehicle 15 relay (24), Pin 85 of the main vehicle 15 relay (24) is connected to the negative pole of the battery (1), and Pin 30 of the main vehicle 15 relay (24) is connected to the vehicle insurance via a wiring harness; Pin 27 of the reversing controller (40) is connected to Pin 86 of the auxiliary vehicle 15 relay (25), Pin 85 of the auxiliary vehicle 15 relay (25) is connected to the negative pole of the battery (1), and Pin 30 of the auxiliary vehicle 15 relay (25) is connected to the vehicle insurance via a wiring harness.

2. A one-button reversing control system for a two-way fire truck according to claim 1, characterized in that: The main vehicle one-touch reversing switch (7) and the auxiliary vehicle one-touch reversing switch (8) are both self-resetting switches.

Citation Information

Patent Citations

  • One-key reversing control system of two-way fire truck

    CN212548068U