Water supply system and method for fire truck, and electronic device

Abstract

Provided in the present invention are a water supply system and method for a fire truck, and an electronic device. The system comprises a controller, a feed pump and a delivery pump, wherein the controller is connected to both the feed pump and the delivery pump; the delivery pump is configured for external water supply; and the controller is configured to acquire an actual water supply pressure of the delivery pump, and regulate the water suction volume of the feed pump on the basis of a target water supply pressure of the delivery pump so as to regulate the actual water supply pressure until the regulated actual water supply pressure reaches the target water supply pressure. The system uses pump-pump coupling water supply, and intelligently regulates the water suction volume of the feed pump by means of the controller to achieve pump-pump decoupling without manual adjustments, thereby simplifying the water supply process; in addition, the delivery pump achieves continuous and stable long-distance water supply, thereby effectively improving the water supply efficiency.

Description

Water supply system, method and electronic device of fire truck

[0001] The present application claims priority to the Chinese patent application No. 202410861420.2, filed on June 28, 2024, and entitled "Water supply system, method and electronic device of fire truck", the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of fire truck water supply, in particular to a water supply system, method and electronic device of fire truck. BACKGROUND

[0003] Due to the size and weight limitations, fire trucks cannot carry too much water for fire extinguishing. Due to the site and regional restrictions, water supply can only be carried out by large tank trucks or remote water supply trucks. This series connection of multiple fire trucks is called coupled water supply, which can improve the lift and delivery distance of the water pump. The fire pump (referred to as water supply pump) of the water supply fire truck directly supplies water to the fire pump (referred to as water receiving pump) of the water receiving fire truck. The pressure and flow of the two pumps on the same fire truck or the two pumps on different fire trucks are coupled. The start and stop and pressure regulation of multiple fire pumps need to be highly coordinated, otherwise, insufficient water supply will occur when the pressure is too low, and the water receiving pump will be damaged when the pressure is too high.

[0004] Currently, pump-tank-pump collaborative water supply mode can be used, and pump-pump collaborative water supply mode can also be used. The former delivers water from the water supply pump to the water tank of the water receiving fire truck, and then the water from the tank is delivered to the water receiving pump for external water delivery, which limits the use scenario and delivery distance. The latter needs manual operation to realize the power start and stop, power speed regulation and pressure regulation of the water supply pump and the water receiving pump, and it is difficult to realize real-time pressure matching of the water supply pump and the water receiving pump. In the pump-pump collaborative water supply mode, if the water supply is insufficient, the connecting pipeline will be sucked, the water receiving pump will be idle, and the water receiving pump will be easily damaged. If the water supply is sufficient, the inlet pressure of the water receiving pump will be too high, and the seal will be damaged. When the water supply pump and the water receiving pump are far apart, multiple people need to cooperate to operate, the coupling is difficult, the error is large, the water supply is discontinuous and unstable. SUMMARY

[0005] The present application provides a water supply system, method and electronic device of fire truck, which realizes pump-pump coupled water supply of the water supply system, intelligently adjusts the water suction amount of the water supply pump through the controller, ensures that the water supply pump and the water receiving pump do not idle, the connecting pipeline between the two pumps is not sucked, realizes decoupling of the pump-pump, does not need manual adjustment, can simplify the water supply process, at the same time, the remote water supply of the water receiving pump is continuous and smooth, and the water supply efficiency is effectively improved.

[0006] The application provides a water supply system of a fire engine, comprising a controller, a water supply pump and a water receiving pump; the controller is connected with the water supply pump and the water receiving pump respectively; the water receiving pump is used for external water supply; the controller is used for acquiring an actual water supply pressure of the water receiving pump and adjusting a water suction amount of the water supply pump based on a target water supply pressure of the water receiving pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0007] According to the application, the water supply system of the fire engine comprises at least one floating pump device and at least one power transmission device; the at least one floating pump device is connected with the at least one power transmission device and the controller respectively; the at least one power transmission device is connected with the controller; the controller is specifically used for adjusting the at least one power transmission device based on the target water supply pressure of the water receiving pump to adjust a water suction amount of the at least one floating pump device and then adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure; the at least one power transmission device is used for providing power for the at least one floating pump device; and the at least one floating pump device is used for water suction and water supply for the water receiving pump.

[0008] According to the application, each floating pump device comprises a motor and a floating pump; the floating pump is connected with the motor; the floating pump is connected with the motor and the water receiving pump respectively; the motor is used for providing power for the floating pump; and the floating pump is used for water suction and water supply for the water receiving pump.

[0009] According to the application, the water supply system of the fire engine further comprises an inlet pressure sensor and an outlet pressure sensor; the inlet pressure sensor is connected with the water receiving pump and the controller respectively; the outlet pressure sensor is connected with the water receiving pump and the controller respectively; the inlet pressure sensor is used for collecting an inlet end water supply pressure of the water receiving pump; the outlet pressure sensor is used for collecting an outlet end water supply pressure of the water receiving pump; and the controller is used for acquiring the inlet end water supply pressure and the outlet end water supply pressure.

[0010] According to the application, the water supply system of the fire engine further comprises that the water receiving pump further comprises a booster pump and a target power device; the target power device is connected with the booster pump and the controller respectively; the controller is used for adjusting a rotating speed of the target power device; the target power device is used for providing power for the booster pump; and the booster pump is used for external water supply.

[0011] According to the fire truck water supply system provided by the application, each power transmission device comprises a power unit, an oil pump and a hydraulic valve; the power unit is connected with the oil pump and the controller respectively, the oil pump is connected with the hydraulic valve and the controller respectively, and the hydraulic valve is connected with the motor; the controller is used for adjusting the rotating speed of the power unit and the flow of the oil pump; the power unit is used for providing power for the oil pump; the oil pump is used for supplying oil for the hydraulic valve; and the hydraulic valve is used for controlling the flow of the oil circuit to control the operation of the motor.

[0012] The application further provides a fire truck water supply method applied to the fire truck water supply system described in any one of the above, which comprises the following steps: obtaining the actual water supply pressure of the water receiving pump by the controller, and adjusting the water suction amount of the water supply pump based on the target water supply pressure of the water receiving pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0013] The fire truck water supply method provided by the application comprises the following steps: for each power transmission device, adjusting the rotating speed of the motor by the controller; based on the current rotating speed, the water receiving pump is supplied with water by the water receiving pump; the inlet end water supply pressure of the water receiving pump is obtained by the controller, and the target power device is started when the inlet end water supply pressure is greater than a preset pressure threshold until the outlet end water supply pressure of the water receiving pump reaches the target water supply pressure, wherein the outlet end water supply pressure is the adjusted actual water supply pressure.

[0014] The fire truck water supply method provided by the application further comprises the following steps: when the inlet end water supply pressure is less than or equal to the preset pressure threshold, the flow of the hydraulic valve is continuously adjusted until the inlet end water supply pressure is greater than the preset pressure threshold.

[0015] The application further provides an electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to realize the fire truck water supply method described in any one of the above.

[0016] The application further provides a non-transitory computer readable storage medium, which stores a computer program executable by a processor to realize the fire truck water supply method described in any one of the above.

[0017] The application further provides a computer program product comprising a computer program which, when executed by a processor, implements the water supply method of the fire truck.

[0018] The fire truck water supply system, method and electronic device provided by the application realize pump-pump decoupling by intelligently adjusting the water suction amount of the water supply pump through the controller, ensure that the water supply pump and the water receiving pump do not idle, the water hose pipe connected between the two pumps is not suctioned, manual adjustment is not needed, the water supply process can be simplified, meanwhile, the remote water supply of the water receiving pump is continuous and smooth, and the water supply efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0020] Fig. 1 is a structural schematic diagram of the fire truck water supply system provided by the application.

[0021] Fig. 2 is a structural schematic diagram of the water supply pump provided by the application.

[0022] Fig. 3 is a structural schematic diagram of the floating boat pump device provided by the application.

[0023] Fig. 4 is another structural schematic diagram of the fire truck water supply system provided by the application.

[0024] Fig. 5 is a structural schematic diagram of the water receiving pump provided by the application.

[0025] Fig. 6 is a structural schematic diagram of the power transmission device provided by the application.

[0026] Fig. 7 is a third structural schematic diagram of the fire truck water supply system provided by the application.

[0027] Fig. 8 is a fourth structural schematic diagram of the fire truck water supply system provided by the application.

[0028] Fig. 9 is a schematic diagram of the controller connection provided by the application.

[0029] Fig. 10 is a first flow schematic diagram of the fire truck water supply method provided by the application.

[0030] Fig. 11 is a second flow schematic diagram of the fire truck water supply method provided by the application.

[0031] Fig. 12 is a third flow schematic diagram of the fire truck water supply method provided by the application.

[0032] Fig. 13 is a structural schematic diagram of an electronic device provided by the present application. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0034] Fig. 1 is a structural schematic diagram of a water supply system of a fire truck provided by the present application. As shown in Fig. 1, the system comprises a controller 10, a water supply pump 20 and a water receiving pump 30; the controller 10 is connected with the water supply pump 20 and the water receiving pump 30 respectively.

[0035] The water receiving pump 30 is configured to supply water externally.

[0036] The controller 10 is configured to acquire an actual water supply pressure of the water receiving pump 30, and adjust a water suction amount of the water supply pump 20 based on a target water supply pressure of the water receiving pump 30 to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0037] In the embodiment of the present application, during the process of supplying water externally, the controller 10 can acquire the actual water supply pressure of the water receiving pump 30 in real time and automatically, and automatically adjust the water suction amount of the water supply pump 20 when the actual water supply pressure does not reach the target water supply pressure. In this way, the controller 10 can compare the adjusted actual water supply pressure with the target water supply pressure in real time and automatically until the finally adjusted actual water supply pressure reaches the target water supply pressure. At this time, the water receiving pump 30 can deliver water to a fire-fighting facility several kilometers or tens of kilometers away. During the whole process, the water supply system adopts pump-pump coupling water supply, and the water suction amount of the water supply pump 20 is intelligently adjusted by the controller 10, so as to ensure that the water supply pump 20 and the water receiving pump 30 do not idle, the connecting pipeline between the two pumps does not suck empty, the decoupling of the pump-pump is realized, manual adjustment is not needed, the water supply process can be simplified, and meanwhile, the remote water supply of the water receiving pump 30 is continuous and smooth, and the water supply efficiency is effectively improved.

[0038] It should be noted that the above process meets the requirements of continuous end water supply and end pressure meeting the fire-fighting use requirements in the case of remote water supply.

[0039] In some embodiments, Fig. 2 is a structural schematic diagram of the water supply pump provided by the present application, as shown in Fig. 2, the water supply pump 20 comprises: at least one floating pump device 201 and at least one power transmission device 202; the at least one floating pump device 201 is connected with the at least one power transmission device 202 and the controller 10 respectively; and the at least one power transmission device 202 is connected with the controller 10.

[0040] The controller 10 is specifically configured to adjust the at least one power transmission device 202 based on the target water supply pressure of the water receiving pump 30, so as to adjust the water suction amount of the at least one floating pump device 201, and then adjust the actual water supply pressure, until the adjusted actual water supply pressure reaches the target water supply pressure.

[0041] The at least one power transmission device 202 is configured to provide power for the at least one floating pump device 201.

[0042] The at least one floating pump device 201 is configured to suck water and supply water for the water receiving pump 30.

[0043] In the embodiments of the present application, during the process of supplying water to the outside, the controller 10 can obtain the actual water supply pressure of the water receiving pump 30 in real time and automatically, and automatically adjust the at least one power transmission device 202 when the actual water supply pressure does not reach the target water supply pressure. At this time, the at least one power transmission device 202 can provide power for the at least one floating pump device 201, the at least one floating pump device 201 sucks water in the water source and supplies water for the water receiving pump 30 in real time, so as to realize automatic control of the water suction amount of the at least one floating pump device 201. In this way, the controller 10 can compare the adjusted actual water supply pressure with the target water supply pressure in real time and automatically, until the finally adjusted actual water supply pressure reaches the target water supply pressure. At this time, the water receiving pump 30 can deliver water to the fire-fighting facilities several kilometers or tens of kilometers away. During the whole process, the water supply system adopts pump-pump coupling water supply, intelligently adjusts the water suction amount of the floating pump device 201 through the controller 10, ensures that the water supply pump 20 and the water receiving pump 30 do not idle, the connecting pipeline between the two pumps does not suck empty, realizes decoupling of the pump-pump, does not need manual adjustment, can simplify the water supply process, at the same time, the long-distance water supply of the water receiving pump 30 is continuous and smooth, and the water supply efficiency is effectively improved.

[0044] Optionally, when the number of the floating pump devices 201 is multiple, the multiple floating pump devices 201 are connected in parallel.

[0045] The design that the multiple floating pump devices 201 are connected in parallel can superimpose the water suction amounts of the multiple floating pump devices 201 respectively, can meet the needs of different flow rates (such as 200 L / s, 300 L / s, 400 L / s and 600 L / s), and improve the universality of the water supply system.

[0046] Optionally, in the case that the number of the floating boat pump devices 201 is one, the one floating boat pump device 201 can be connected to one power transmission device 202 or to multiple power transmission devices 202 simultaneously.

[0047] Optionally, in the case that the number of the floating boat pump devices 201 is multiple, the multiple floating boat pump devices 201 can be connected to one power transmission device 202 or to multiple power transmission devices 202 one by one.

[0048] In some embodiments, FIG. 3 is a structural schematic diagram of the floating boat pump device provided by the present application. As shown in FIG. 3, each floating boat pump device 201 comprises a motor 2011 and a floating boat pump 2012, and the floating boat pump 2012 is connected to the motor 2011 and the water receiving pump 30 respectively.

[0049] The motor 2011 is used to provide power for the floating boat pump 2012.

[0050] The floating boat pump 2012 is used to suck water and supply water for the water receiving pump 30.

[0051] In the embodiments of the present application, during the process that at least one floating boat pump device 201 sucks water in the water source and supplies water for the water receiving pump 30 in real time, the motor 2011 can rotate for each floating boat pump device 201, at this time, the floating boat pump 2012 can rotate with the motor 2011, and in the case that the floating boat pump 2022 is put into the water source, the water receiving pump 30 can be connected through the water hose pipe and supplied with water; the water receiving pump 30 further supplies water to the outside through the conveying water hose, based on which, the water receiving pump 30 can convey water to the fire-fighting facilities several kilometers or tens of kilometers away. During the whole process, the motor 2011 and the floating boat pump 2012 automatically interact and cooperate, so as to ensure that the floating boat pump 2012 and the water receiving pump 30 do not idle, the water hose pipe connected between the two pumps does not suck empty, and the floating boat pump 2012 can intelligently continuously provide water for the water receiving pump 30.

[0052] Optionally, in the case that the number of the floating boat pump devices 201 is multiple, the multiple floating boat pump devices 201 can each correspond to one water hose pipe.

[0053] After the multiple water hose pipes converge, the multiple floating boat pump devices 201 can convey water to the inlet end of the water receiving pump 30 together, and the multiple floating boat pump devices 201 can continuously provide water for the water receiving pump 30 simultaneously.

[0054] In some embodiments, FIG. 4 is a structural schematic diagram two of the water supply system of the fire-fighting vehicle provided by the present application. As shown in FIG. 4, the system further comprises an inlet pressure sensor 40 and an outlet pressure sensor 50, and the inlet pressure sensor 40 is connected to the water receiving pump 30 and the controller 10 respectively, and the outlet pressure sensor 50 is connected to the water receiving pump 30 and the controller 10 respectively.

[0055] An inlet pressure sensor 40 is configured to collect the inlet water supply pressure of the water pump 30.

[0056] An outlet pressure sensor 50 is configured to collect the outlet water supply pressure of the water pump 30.

[0057] The controller 10 is configured to obtain the inlet water supply pressure and the outlet water supply pressure.

[0058] In the embodiments of the present application, the inlet pressure sensor 40 is configured to send the inlet water supply pressure of the water pump 30 to the controller 10 after collecting the inlet water supply pressure, and the outlet pressure sensor 50 is configured to send the outlet water supply pressure of the water pump 30 to the controller 10 after collecting the outlet water supply pressure; the controller 10 is configured to compare the inlet water supply pressure and the outlet water supply pressure with the respective preset threshold values in real time after receiving the inlet water supply pressure and the outlet water supply pressure, and to adjust at least one power transmission device 202 in real time and intelligently based on the two comparison results. In the whole process, the processor 10 only needs to take the inlet water supply pressure and the outlet water supply pressure as the control target quantity, which can realize the decoupling of the pump-pump, ensure that the floating pump 2022 and the water pump 30 do not idle, and the water hose pipe connected between the two pumps is not suctioned, without the need for manual adjustment, saving time and effort.

[0059] It should be noted that for the collection of the control target quantity, the inlet water supply pressure and the outlet water supply pressure of the water pump 30 can be collected by only two pressure sensors, without the need to collect the rotating speed and pressure of the water pump 20, or the outlet water pressure of the end, thereby reducing the collection difficulty of the control target quantity.

[0060] Optionally, the preset threshold value corresponding to the inlet water supply pressure and the preset threshold value corresponding to the outlet can be the same or different, which is not limited here.

[0061] In the formula, the preset threshold value corresponding to the inlet water supply pressure is a preset pressure threshold value; and the preset threshold value corresponding to the outlet water supply pressure is a target water supply pressure.

[0062] In some embodiments, FIG. 5 is a structural schematic diagram of a water pump provided by the present application, as shown in FIG. 5, the water pump 30 further comprises: a booster pump 301 and a target power device 302, the target power device 302 is connected with the booster pump 301 and the controller 10 respectively.

[0063] The controller 10 is configured to adjust the rotating speed of the target power device 302.

[0064] The target power device 302 is configured to provide power for the booster pump 301.

[0065] The booster pump 301 is configured to supply water externally.

[0066] Optionally, the target power device can include an engine, a motor or the like.

[0067] The outlet water supply pressure is the actual water supply pressure.

[0068] In the embodiment of the present application, when the outlet water supply pressure of the booster pump 301 does not reach the target water supply pressure, the controller 10 can control the target power device 302 to start and adjust the rotating speed of the target power device 302. At this time, the target power device 302 can provide power for the booster pump 301 to increase the outlet water supply pressure of the booster pump 301 until the adjusted outlet water supply pressure reaches the target water supply pressure. During the whole process, the controller 10 realizes one-key automatic control according to the outlet water supply pressure of the booster pump 301, so that the outlet water supply pressure of the booster pump 301 can reach the target water supply pressure, thereby ensuring that the booster pump 301 can effectively supply water.

[0069] It should be noted that when the rotating speed of the target power device increases, the outlet water supply pressure increases and the inlet water supply pressure decreases.

[0070] In some embodiments, FIG. 6 is a structural schematic diagram of a power transmission device provided by the present application. As shown in FIG. 6, each power transmission device 202 includes a power unit 2021, an oil pump 2022 and a hydraulic valve 2023. The power unit 2021 is connected with the oil pump 2022 and the controller 10 respectively, the oil pump 2022 is connected with the hydraulic valve 2023 and the controller 10 respectively, and the hydraulic valve 2023 is connected with the motor 2011.

[0071] The controller 10 is configured to adjust the rotating speed of the power unit 2021 and the flow of the oil pump 2022.

[0072] The power unit 2021 is configured to provide power for the oil pump 2022.

[0073] The oil pump 2022 is configured to supply oil for the hydraulic valve 2023.

[0074] The hydraulic valve 2023 is configured to control the flow of the oil circuit to control the operation of the motor 2011.

[0075] Optionally, the power unit 2021 can include an engine, a motor or the like.

[0076] The switch of the oil pump 2022 is a hydraulic oil circuit control switch.

[0077] In the embodiment of the present application, the power unit 2011 is started, and can provide power for the oil pump 2022. At this time, the hydraulic oil of the oil pump 2022 can drive the motor 2011 to rotate through the hydraulic valve 2023, and the floating pump 2012 can rotate with the motor 2011. In the case that the floating pump 2022 is put into the water source, the water pump 30 can be supplied with water through the water hose pipe connection. The water pump 30 can supply water to the fire-fighting facilities outside several kilometers to tens of kilometers. The whole process can automatically complete the starting of the power unit 2011, the speed regulation, the oil way flow regulation of the hydraulic valve 2023, and automatically match the water supply pressure between the water pump and the water receiving pump, without manual adjustment, saving time and effort.

[0078] For example, FIG. 7 is a structural schematic diagram of a water supply system of a fire truck provided by the present application. As shown in FIG. 7, the water supply system comprises a first floating pump device, a second floating pump device, a first power transmission device, a second power transmission device, a booster pump 301, a target power device 302, an inlet pressure sensor 40 and an outlet pressure sensor 50.

[0079] The first floating pump device corresponds to the first power transmission device. The first floating pump device comprises a motor 2011a and a floating pump 2012a. The first power transmission device comprises a power unit 2021a, an oil pump 2022a and a hydraulic valve 2023a.

[0080] The second floating pump device corresponds to the second power transmission device. The second floating pump device comprises a motor 2011b and a floating pump 2012b. The second power transmission device comprises a power unit 2021b, an oil pump 2022b and a hydraulic valve 2023.

[0081] For example, FIG. 8 is a structural schematic diagram of a water supply system of a fire truck provided by the present application. As shown in FIG. 8, the water supply system comprises a first floating pump device, a second floating pump device, a power transmission device, a booster pump 301, a target power device 302, an inlet pressure sensor 40 and an outlet pressure sensor 50.

[0082] The first floating pump device comprises a motor 2011a and a floating pump 2012a. The second floating pump device comprises a motor 2011b and a floating pump 2012b. The power transmission device comprises a power unit 2021, an oil pump 2022 and a hydraulic valve 2023.

[0083] For example, FIG. 9 is a schematic diagram of a controller connection condition provided by the present application. As shown in FIG. 9, the controller 10 can be connected to at least one power unit 2021, at least one oil pump 2022, a target power device 302, an inlet pressure sensor 40 and an outlet pressure sensor.

[0084] Optionally, the controller 10 can be connected with the above-mentioned components through a bus mode or a hard-wired mode.

[0085] Fig. 10 is one of flow diagrams of the water supply method of the fire engine provided by the present application, as shown in Fig. 10, the method is applied to the water supply system of any fire engine shown in Figs. 1-9, and the method comprises the following step 1001.

[0086] In step 1001, the actual water supply pressure of the receiving pump is acquired by the controller, and the water suction amount of the water supply pump is adjusted to adjust the actual water supply pressure based on the target water supply pressure of the receiving pump until the adjusted actual water supply pressure reaches the target water supply pressure.

[0087] During the water supply process of the receiving pump, the actual water supply pressure of the receiving pump can be acquired in real time and automatically by the controller, and at least one power transmission device is automatically adjusted in the case that the actual water supply pressure does not reach the target water supply pressure, at this time, the at least one power transmission device can provide power for the at least one floating boat pump device, the at least one floating boat pump device sucks water in the water source in real time and supplies water for the receiving pump in real time to realize the automatic control of the water suction amount of the at least one floating boat pump device, so that the adjusted actual water supply pressure is compared with the target water supply pressure in real time and automatically by the controller until the final adjusted actual water supply pressure reaches the target water supply pressure, at this time, the water can be delivered to the fire-fighting facilities several kilometers to tens of kilometers away by the receiving pump.

[0088] In the embodiment of the present application, the water supply system adopts pump-pump coupling water supply, the water suction amount of the water supply pump is intelligently adjusted by the controller to ensure that the water supply pump and the receiving pump do not idle, the connecting pipeline between the two pumps does not suck empty, the pump-pump decoupling is realized, manual adjustment is not needed, the water supply process can be simplified, at the same time, the long-distance water supply of the receiving pump is continuous and smooth, and the water supply efficiency is effectively improved. In addition, in the case of long-distance water supply, the water supply system also meets the continuous end water supply and the end pressure meets the fire-fighting use requirements.

[0089] In order to better understand the embodiment of the present application, the water supply method of the fire engine is described in detail below.

[0090] In some embodiments, the adjusting, by the controller, the water suction amount of the water supply pump based on the target water supply pressure of the water pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure can include: for each power transmission device, adjusting, by the controller, the rotation speed of the motor to adjust the rotation speed of the floating boat pump; performing water suction by the floating boat pump based on the current rotation speed and supplying water to the water supply pump; obtaining, by the controller, the inlet end water supply pressure of the water supply pump, and starting the target power device under the condition that the inlet end water supply pressure is greater than the preset pressure threshold, until the outlet end water supply pressure of the water supply pump reaches the target water supply pressure, and the outlet end water supply pressure is the adjusted actual water supply pressure.

[0091] In some embodiments, the preset pressure threshold can be represented by P1, and the target water supply pressure can be represented by P2.

[0092] Optionally, the preset pressure threshold and the target water supply pressure can be set by the controller before leaving the factory, or can be customized by the user.

[0093] Optionally, the adjusting, by the controller, the rotation speed of the motor to adjust the rotation speed of the floating boat pump can include: controlling, by the controller, the power unit to start, adjusting the oil amount of the oil pump and the flow of the hydraulic valve to control the rotation speed of the motor to adjust the rotation speed of the floating boat pump.

[0094] The starting of the power unit controlled by the controller can provide power for the oil pump, at this time, the adjusting of the hydraulic oil of the oil pump by the controller can drive the motor to rotate through the hydraulic valve, and at the same time, the floating boat pump can rotate with the motor, in the case that the floating boat pump is put into the water source, the water supply pump can be connected through the water hose pipeline, the floating boat pump can perform water suction in the water source based on the current rotation speed and supply water to the water supply pump, so that the water supply pump can supply water to the outside through the water hose, at this time, the water supply pump can deliver water to the fire fighting facilities several kilometers to several tens of kilometers away; then, obtaining, by the controller, the inlet end water supply pressure of the water supply pump, and comparing the inlet end water supply pressure with the preset pressure threshold in real time, under the condition that the inlet end water supply pressure reaches the preset pressure threshold, it can be determined whether the target power device is started, if not, starting the target power device by the controller, and comparing the relationship between the outlet end water supply pressure of the water supply pump and the target water supply pressure in real time, until the outlet end water supply pressure can reach the target water supply pressure. The whole process can automatically complete the starting of the power unit, the speed regulation, the oil way flow regulation of the hydraulic valve, and automatically match the water supply pressure between the water supply pump and the water suction pump, without manual adjustment, saving time and effort, at the same time, the long-distance water supply of the water suction pump is continuous and smooth, effectively improving the water supply efficiency.

[0095] In some embodiments, the starting of the target power device until the outlet end water supply pressure of the water supply pump reaches the target water supply pressure can include: starting the target power device and adjusting the rotation speed of the target power device until the outlet end water supply pressure of the water supply pump reaches the target water supply pressure.

[0096] The speed of the target power device can be adjusted in real time until the outlet water pressure of the water supply pump reaches the target water pressure, thereby improving the intelligence of the system.

[0097] It should be noted that in the case of increasing the speed of the target power device, the outlet water pressure increases and the inlet water pressure decreases. At this time, the flow of the hydraulic valve needs to be increased to ensure that the inlet water pressure is greater than the preset pressure threshold, and the current working condition is maintained when the outlet water pressure reaches the target water pressure. Throughout the process, the inlet water pressure and the outlet water pressure are associated, but the two pumps are adjusted with different variables to achieve decoupling and realize coupled water supply.

[0098] In some embodiments, the method can further include: in the case that the inlet water pressure is less than or equal to the preset pressure threshold, continuing to adjust the flow of the hydraulic valve until the inlet water pressure is greater than the preset pressure threshold.

[0099] In the process of comparing the inlet water pressure with the preset pressure threshold in real time by the controller, in the case that the inlet water pressure is less than or equal to the preset pressure threshold, the flow of the hydraulic valve can be continuously adjusted until the inlet water pressure is greater than the preset pressure threshold, in preparation for subsequent control of the target power device to start until the outlet water pressure of the water receiving pump reaches the target water pressure. Throughout the process, the inlet water pressure and the outlet water pressure can be associated, and the two target control quantities can be adjusted in real time by the controller to achieve pump-pump decoupling and realize coupled water supply.

[0100] In some embodiments, the method can further include: collecting the inlet water pressure by the inlet pressure sensor; collecting the outlet water pressure by the outlet pressure sensor.

[0101] The inlet water pressure is collected by the inlet pressure sensor and sent to the controller, and the outlet water pressure is collected by the outlet pressure sensor and sent to the controller. After receiving the inlet water pressure and the outlet water pressure, the controller can adjust the inlet water pressure and the outlet water pressure in real time until the inlet water pressure is greater than the preset pressure threshold and the outlet water pressure reaches the target water pressure.

[0102] For example, FIG. 11 is a flowchart of a water supply method of a fire truck provided by the present application, as shown in FIG. 11, the method is applied to a controller, and the method includes the following steps.

[0103] Step 1, control the power unit to start and adjust the oil amount of the oil pump.

[0104] Step 2, control the flow of the hydraulic valve to control the motor to adjust the rotation speed of the floating pump; the floating pump sucks water based on the current rotation speed and supplies water for the booster pump.

[0105] Step 3, obtain the water supply pressure Q1 of the inlet end of the booster pump.

[0106] Step 4, determine whether Q1 is greater than P1: if yes, continue to Step 5; if no, execute Step 2.

[0107] Step 5, determine whether the target power device is started: if yes, directly execute Step 7; if no, execute Step 6 first and then execute Step 7.

[0108] Step 6, control the target power device to start.

[0109] Step 7, adjust the rotation speed of the target power device.

[0110] Step 8, obtain the water supply pressure Q2 of the outlet end of the booster pump.

[0111] Step 9, determine whether Q2 reaches P2: if yes, continue to operate according to the current working condition; if no, execute Step 7 until the adjusted Q2 reaches P2, and continue to operate according to the current working condition.

[0112] Optionally, if combined with FIG. 11 and FIG. 7, the power unit in FIG. 11 can include the power unit 2021a and the power unit 2021b, the oil pump in FIG. 11 can include the oil pump 2022a and the oil pump 2022b, and the hydraulic valve in FIG. 11 can include the hydraulic valve 2023a and the hydraulic valve 2023b; if combined with FIG. 11 and FIG. 8, the power unit in FIG. 11 can include the power unit 2021, the oil pump in FIG. 11 can include the oil pump 2022, and the hydraulic valve in FIG. 11 can include the hydraulic valve 2023.

[0113] Illustratively, FIG. 12 is a flow diagram of a third embodiment of a water supply method of a fire truck according to the present application. As shown in FIG. 12, the method is applied to a controller and includes the following steps.

[0114] Step 1, obtain the current outlet water supply pressure Q2 and the rotation speed V of the target power device when the floating pump and the booster pump are in a working state.

[0115] Step 2, determine whether Q2 is less than a target preset threshold P3 and whether V is greater than a preset rotation speed threshold V’: if yes, execute Step 3; if no, execute Step 1.

[0116] Step 3, control the power unit to idle and control the target power device to idle.

[0117] Step 4, judging whether the power unit and the target power device are all back to idle speed: if yes, executing step 5; if no, executing step 3.

[0118] Step 5, controlling the oil amount of the oil pump to be 0.

[0119] Step 6, judging whether the oil amount is 0: if yes, executing step 7; if no, executing step 5.

[0120] Step 7, controlling the power unit to stop and controlling the target power device to stop.

[0121] Optionally, if combined with FIG. 12 and FIG. 7, the power unit in FIG. 12 can include the power unit 2021a and the power unit 2021b; if combined with FIG. 12 and FIG. 8, the power unit in FIG. 12 can include the power unit 2021.

[0122] FIG. 13 shows a schematic diagram of an entity structure of an electronic device, as shown in FIG. 13, the electronic device can include a processor 1310, a communications interface 1320, a memory 1330 and a communications bus 1340, wherein the processor 1310, the communications interface 1320 and the memory 1330 complete mutual communication through the communications bus 1340. The processor 1310 can invoke the logic instructions in the memory 1330 to execute the water supply method of the fire truck, the method includes: acquiring the actual water supply pressure of the water pump through the controller, and adjusting the water suction amount of the water pump based on the target water supply pressure of the water pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0123] In addition, the logic instructions in the memory 1330 described above can be implemented in the form of a software function unit and sold or used as an independent product, which can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or part of the technical solutions can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a plurality of instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in various embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0124] In another aspect, the present application also provides a computer program product, which comprises a computer program, the computer program being stored in a non-transitory computer readable storage medium, and the computer program, when executed by a processor, enables a computer to perform the water supply method of the fire truck provided by the above method, and the method comprises: obtaining, by a controller, an actual water supply pressure of a suction pump, and adjusting a water suction amount of a water supply pump based on a target water supply pressure of the suction pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0125] In another aspect, the present application also provides a non-transitory computer readable storage medium, which stores a computer program, and the computer program, when executed by a processor, enables a computer to perform the water supply method of the fire truck provided by the above method, and the method comprises: obtaining, by a controller, an actual water supply pressure of a suction pump, and adjusting a water suction amount of a water supply pump based on a target water supply pressure of the suction pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

[0126] The device embodiments described above are merely illustrative, wherein the units illustrated as separate components can or can not be physically separated, and the components illustrated as units can or can not be physical units, i.e., can be located in one place or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0127] From the above description of the embodiments, those skilled in the art can clearly understand that the embodiments can be realized by means of software plus necessary general hardware platforms, and of course can also be realized by hardware. Based on such understanding, the above technical solutions, essentially or in other words, the part that contributes to the prior art, can be embodied in the form of a software product, which can be stored in a computer readable storage medium, such as a ROM / RAM, a magnetic disk, an optical disk, etc., and includes a plurality of instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute the methods described in each embodiment or some parts of the embodiments.

[0128] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A water supply system for a fire truck, characterized in that, include: The system includes a controller, a feed pump, and a receiving pump; the controller is connected to both the feed pump and the receiving pump. The water receiving pump is used for external water supply; The controller acquires the actual water supply pressure of the receiving pump and, based on the target water supply pressure of the receiving pump, adjusts the suction volume of the supply pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

2. The water supply system for the fire truck according to claim 1, characterized in that, The water supply pump includes: at least one floating pump unit and at least one power transmission unit; the at least one floating pump unit is connected to the at least one power transmission unit and the controller respectively; the at least one power transmission unit is connected to the controller; The controller is specifically used to adjust the at least one power transmission device based on the target water supply pressure of the water receiving pump, so as to adjust the water intake of the at least one floating pump device, and then adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure. The at least one power transmission device is used to provide power to the at least one floating pump device; The at least one floating pump device is used to draw water and supply water to the receiving pump.

3. The water supply system of the fire truck according to claim 2, characterized in that, Each floating pump unit includes: a motor and a floating pump, wherein the floating pump is connected to the motor and the receiving pump respectively; The motor is used to provide power to the floating pump; The floating pump is used to draw water and supply water to the receiving pump.

4. The water supply system of the fire truck according to claim 3, characterized in that, Also includes: An inlet pressure sensor and an outlet pressure sensor are provided, wherein the inlet pressure sensor is connected to the receiving pump and the controller, respectively, and the outlet pressure sensor is connected to the receiving pump and the controller, respectively. The inlet pressure sensor is used to collect the water supply pressure at the inlet end of the water pump; The outlet pressure sensor is used to collect the water supply pressure at the outlet end of the water receiving pump; The controller is used to acquire the inlet water supply pressure and the outlet water supply pressure.

5. The water supply system for the fire truck according to claim 1, characterized in that, The receiving pump includes a booster pump and a target power unit, wherein the target power unit is connected to the booster pump and the controller respectively. The controller is used to adjust the rotational speed of the target power unit; The target power unit is used to provide power to the booster pump; The booster pump is used for external water supply.

6. The water supply system of the fire truck according to claim 3, characterized in that, Each power transmission device includes: a power unit, an oil pump, and a hydraulic valve; the power unit is connected to the oil pump and the controller respectively, the oil pump is connected to the hydraulic valve and the controller respectively, and the hydraulic valve is connected to the motor; The controller is used to adjust the rotational speed of the power unit and the flow rate of the oil pump; The power unit is used to provide power to the oil pump; The oil pump is used to supply oil to the hydraulic valve; The hydraulic valve is used to control the oil flow rate in order to control the operation of the motor.

7. A water supply method for a fire truck, characterized in that, The method, applied to the water supply system of a fire truck as described in any one of claims 1-6, comprises: The controller obtains the actual water supply pressure of the receiving pump and adjusts the water intake of the supply pump based on the target water supply pressure of the receiving pump to adjust the actual water supply pressure until the adjusted actual water supply pressure reaches the target water supply pressure.

8. The water supply method for a fire truck according to claim 7, characterized in that, The controller adjusts the suction capacity of the feed pump based on the target water supply pressure of the receiving pump to regulate the actual water supply pressure until the regulated actual water supply pressure reaches the target water supply pressure, including: For each power transmission device, the controller controls the motor to adjust the speed of the floating pump; The floating pump draws water based on the current rotational speed and supplies water to the receiving pump. The controller obtains the inlet water pressure of the receiving pump and controls the target power unit to start when the inlet water pressure is greater than a preset pressure threshold until the outlet water pressure of the receiving pump reaches the target water pressure. The outlet water pressure is the adjusted actual water pressure.

9. The water supply method for a fire truck according to claim 8, characterized in that, The method further includes: If the water supply pressure at the inlet is less than or equal to the preset pressure threshold, continue to adjust the flow rate of the hydraulic valve until the water supply pressure at the inlet is greater than the preset pressure threshold.

10. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the water supply method for the fire truck as described in any one of claims 7 to 9.

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