CN112721961A - Water supply system - Google Patents
Water supply system Download PDFInfo
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- CN112721961A CN112721961A CN202011352703.2A CN202011352703A CN112721961A CN 112721961 A CN112721961 A CN 112721961A CN 202011352703 A CN202011352703 A CN 202011352703A CN 112721961 A CN112721961 A CN 112721961A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/02—Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings
Abstract
The invention discloses a water supply system, which comprises a water tank, a supercharging device and a pipeline on a water tank vehicle, wherein the supercharging device is arranged on the water tank vehicle; the water tank is used for containing water; the split type air source heat pump water heater is used for heating cold water supplied by the water tank; the supercharging device is used for supercharging a water supply pipeline and a hot water pipeline and comprises a first sub supercharging device and a second sub supercharging device; the water tank vehicle upper pipeline comprises a cold water pipeline and a hot water pipeline, and the cold water pipeline is formed by connecting the first supercharging device with the water tank outlet and domestic water equipment; the hot water pipeline comprises a water tank outlet connected with an inlet of the split air source heat pump water heater, and the second supercharging device is connected with an outlet of the split air source heat pump water heater and domestic water equipment; the invention can realize the supply of enough water supply quantity under the condition of meeting the size of the public space area which preferentially ensures the activity of constructors.
Description
Technical Field
The invention belongs to the technical field of water supply systems, and particularly relates to a water supply system of a railway vehicle.
Background
The rail engineering vehicle is a mobile place for providing living activities for engineering operators such as railway line construction, overhaul and maintenance, and a plurality of passenger car overhaul plants in China all develop specialized research works of the rail engineering vehicle in recent years, so that the functions of dining, camping, showering, washing clothes and the like are realized, and the living environment of the operators is greatly improved.
In order to realize the functions of showering, washing, camping and the like and meet the normal use requirements of rail construction personnel, a water supply system on a rail engineering vehicle needs to meet certain requirements, the water supply system needs to be capable of providing larger water supply amount, meanwhile, the space in the rail engineering vehicle is limited, and the space arrangement of water supply facilities also needs to meet the requirements. The existing rail vehicle water supply system can not meet the actual requirement of larger water consumption due to the maximum water supply amount provided under the condition of meeting the requirement of the internal space of the vehicle.
How to design a rail vehicle water supply system can realize the supply of enough water supply quantity under the condition of meeting the size of a public space area which preferentially ensures the activities of constructors, which is a technical problem to be solved urgently at present in the field.
Disclosure of Invention
Aiming at the problem that the water supply system of the rail engineering vehicle in the prior art can not supply enough water to ensure the daily life water demand of constructors, the invention develops the water supply system, and can realize the supply of enough water supply quantity under the condition of meeting the size of a public space area which preferentially ensures the activities of the constructors.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a water supply system is used for supplying water to domestic water equipment and comprises a water tank, a supercharging device and a communicating pipeline on a water tank vehicle; the water tank is used for containing water; the split type air source heat pump water heater is used for heating cold water supplied by the water tank; the supercharging device comprises a first sub-supercharging device and a second sub-supercharging device,
the first sub-supercharging device is used for supercharging water output by the water tank, and the second sub-supercharging device is used for supercharging water output by the split air source heat pump water heater; the communication pipeline on the water tank truck comprises a cold water pipeline and a hot water pipeline; the cold water pipeline comprises a water tank outlet connected with the inlet of the first supercharging device, and a first supercharging device outlet connected with the domestic water equipment; the hot water pipeline comprises a water tank outlet connected with an inlet of the first supercharging device, an outlet of the first supercharging device connected with an inlet of the split air source heat pump water heater, an outlet of the split air source heat pump water heater connected with an inlet of the second supercharging device, and an outlet of the second supercharging device connected with the domestic water equipment.
In some embodiments of the present application, the water supply system further comprises an under-vehicle communication pipeline, an outlet of the under-vehicle communication pipeline is connected with the inlet of the water tank, and the under-vehicle communication pipeline is used for supplying water into the water tank.
In some embodiments of the present application, the water tank includes at least one first sub-tank group and at least one second sub-tank group, the first sub-tank group is disposed at a first end of the rail vehicle, an inlet of the first sub-tank group is connected to the under-vehicle communication pipe, and an outlet of the first sub-tank group is used for being connected to the domestic water equipment disposed at the first end of the rail vehicle; the second sub water tank group is arranged at the second end part of the rail vehicle, an inlet of the second sub water tank group is connected with the communication pipeline under the vehicle, and an outlet of the second sub water tank group is used for being connected with the domestic water equipment arranged at the second end part of the rail vehicle; wherein the first end and the second end of the rail vehicle are arranged facing away from each other; at least one first sub-water tank group and at least one second sub-water tank group are arranged and used for ensuring that sufficient water supply is provided for the rail engineering vehicle, and the domestic water equipment at the first end part and the domestic water equipment at the second end part are maintained to be normally used.
In some embodiments of the present application, the split air-source heat pump water heater comprises: the first sub-split type air source heat pump water heater and the second sub-split type air source heat pump water heater are connected with the first air source heat pump water heater and the second air source heat pump water heater respectively; the first sub-split type air source heat pump water heater is arranged at the first end part of the rail vehicle, and an inlet of the first sub-split type air source heat pump water heater is connected with an outlet of the first water tank; the second sub split type air source heat pump water heater is arranged at the second end part of the rail vehicle, and an inlet of the second sub split type air source heat pump water heater is connected with an outlet of the second water tank; the split type air source heat pump water heater is used for supplying hot water to the rail engineering vehicle, and sufficient hot water is guaranteed to be supplied.
In some embodiments of the present application, an overflow pipe is connected to an outlet at the upper end of the first sub-tank group, a drain pipe is connected to an outlet at the top end of the second sub-tank group, a first emptying pipe is connected to an outlet at the lower end of the first sub-tank group, and a second emptying pipe is connected to an outlet at the lower end of the second sub-tank group; the first sub water tank group and the second sub water tank group are communicated with each other through the under-vehicle communication pipeline for inputting water, the position of water injection is arranged at the second end part of the railway vehicle, water is simultaneously added into the first sub water tank group and the second sub water tank group, the second sub water tank group is generally filled with water before the first sub water tank group, in order to ensure that the first sub water tank group can be filled with water, the drain pipe of the second sub water tank group can be closed, water injection is carried out until the overflow pipe of the first sub water tank group is filled with water, and water injection is stopped after the first sub water tank group and the second sub water tank group are filled with water; when the water in the water tank needs to be drained, the first emptying pipe and the second emptying pipe can be opened.
In some embodiments of the present application, the water supply system further comprises a cold water backup line, one end of the cold water backup line being connected to the domestic water appliance at a first end of the rail vehicle, the other end of the cold water backup line being connected to the domestic water appliance at a second end of the rail vehicle; a first valve is connected in the cold water standby pipeline; when water supply system is in normal operating condition, first valve is closed, first sub-tank group or second sub-tank group appear when the water yield is unusual such as not enough, can with first valve is opened, makes first sub-tank group can be to the second tip domestic water equipment supplies water, second sub-tank group can be to the second tip domestic water equipment supplies water to satisfy water supply system's cold water supply.
In some embodiments of the present application, the water supply system further comprises a hot water backup line, one end of the hot water backup line being connected to the domestic water appliance at a first end of the rail vehicle, the other end of the hot water backup line being connected to the domestic water appliance at a second end of the rail vehicle; a second valve is connected in the hot water standby pipeline; when the water quantity is insufficient or the like, the first sub-water tank group or the second sub-water tank group can be opened with the second valve, so that the first sub-water tank group can supply water to the domestic water equipment at the second end part, and the second sub-water tank group can supply water to the domestic water equipment at the second end part, thereby meeting the hot water supply of a water supply system.
In some embodiments of the present application, the split air source heat pump water heater includes an indoor unit and an outdoor unit, the indoor unit is disposed in a rail vehicle, and the outdoor unit is disposed under the rail vehicle; the outdoor unit is arranged under the rail vehicle, so that the space in the rail vehicle can be saved, and the arrangement of a water supply system is facilitated.
In some embodiments of the present application, the water supply system further includes an under-vehicle through pipe for water transportation between different rail vehicles, and when a rail vehicle requiring water supply is far from a water source, the under-vehicle through pipe for connecting other rail vehicles can be used for realizing remote water transportation.
In some embodiments of the present application, a first drain valve is connected to the under-vehicle communication line, and the first drain valve is configured to drain water in the under-vehicle communication line; and a second drain valve is connected in the under-vehicle through pipeline and is used for emptying the water in the under-vehicle through pipeline.
Compared with the prior art, the invention has the advantages and positive effects that:
the water supply system provided by the invention realizes storage of water in the rail vehicle by arranging the water tank, heats cold water supplied by the water tank by arranging the split type air source heat pump water heater, provides certain pressure for output of the cold water and the hot water by arranging the supercharging device, and realizes transmission between the cold water and the hot water and the domestic water facilities by arranging the communication pipeline on the water tank vehicle.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of a water system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. For example, it may be a fixed connection, a detachable connection or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The method comprises the following steps that the sizes of public space areas (a sanitary area, a laundry area and a shower area) where constructors need to be guaranteed to move in a prior mode in the railway vehicle, the space of an equipment area is compressed seriously, in order to guarantee the normal use of all equipment in the public area, a water tank with the volume of not less than 6000L and a plurality of air source heat pump water heaters need to be contained in a water supply system, and in order to meet the requirement of the water consumption with the volume of not less than 6000L, a plurality of water tank water supplies and a plurality of water heaters are adopted to heat water in the arrangement; in order to solve the problem that the common water heater occupies a large space, the split air source water heater is adopted in the embodiment.
In this embodiment, the total water storage requirement is 6000L at least, the number of water tanks is a plurality of, split type air source water heater number also is a plurality of, takes four water tanks to correspond four split type air source heat pump water heaters respectively as an example now, explains cold water supply mode and hot water supply mode.
In the present embodiment, at the first end, the cold water is supplied in such a manner that the first sub-tank group 110 includes two sub-tanks, namely, a third sub-tank 111 and a fourth sub-tank 112, and the first sub-pressurization device group 210 includes two sub-pressurization devices, namely, a third sub-pressurization device 211 and a fourth sub-pressurization device 212; the outlet of the third sub water tank 111 is connected with the inlet of the third valve 403, the outlet of the third valve 403 is connected with the inlet of the third sub pressurizing device 211, the outlet of the third sub pressurizing device 211 is connected with the inlet of the fourth valve 404, the outlet of the fourth valve 404 is connected with the inlet of the first check valve 601, the outlet of the first check valve 601 is connected with the inlet of the third drain valve 703, when the third sub pressurizing device 211 needs to be replaced, the connection between the third sub pressurizing device 211 and the third sub water tank 111 can be cut off by closing the third valve 403 or the fourth valve 404, the water in the water tanks does not need to be discharged completely, the first check valve 601 is used for protecting the third sub pressurizing device 211 and preventing the third sub pressurizing device 211 from being damaged by water backflow, and the third drain valve 703 is used for draining the water in the pipeline when the water supply system is not in use; the outlet of the fourth sub water tank 112 is connected with the inlet of the fifth valve 405, the outlet of the fifth valve 405 is connected with the inlet of the fourth sub increasing device 212, the outlet of the fourth sub pressurizing device 212 is connected with the inlet of the sixth valve 406, the outlet of the sixth valve 406 is connected with the inlet of the second check valve 602, the outlet of the second check valve 602 is connected with the inlet of the fourth drain valve 704, when the fourth sub pressurizing device 212 needs to be replaced, the connection between the fourth sub pressurizing device 212 and the fourth sub water tank 112 can be cut off by closing the fifth valve 405 and the sixth valve 406 without discharging all the water in the water tank, the second check valve 602 is used for protecting the fourth sub pressurizing device 212 and preventing the water from flowing back to damage the second check valve 212, and the fourth check drain valve 704 is used for draining the water in the pipeline when the water supply system is not in use.
In this embodiment, at the first end, the cold water supply further adopts the following manner, the outlet of the third check valve 601 is further connected with the inlet of the seventh valve 407, the outlet of the second check valve 602 is further connected with the inlet of the eighth valve 408, the outlet of the seventh valve 407 is connected with the outlet of the eighth valve 408 to jointly access the pipeline, and whether the third sub-tank 111 and the fourth sub-tank 112 supply water in the pipeline or not can be controlled by on-off of the seventh valve 407 and the eighth valve 408; the pipeline is used for conveying cold water to the sanitary area 510 and the laundry area 520 and is connected with domestic water equipment of the sanitary area 510 and the laundry area 520; in order to meet the use requirements of constructors, preferably, four sanitary area positions and eight washing area positions are arranged; a valve is connected in the pipeline of each sanitary area, for example, a ninth valve 409 is arranged in the pipeline of the first sanitary area and is used for controlling the on-off of the pipeline for supplying cold water to the first sanitary area; preferably, the four sanitary areas are respectively arranged on two sides of the railway vehicle, namely a first side and a second side, the first side is provided with two sanitary areas, and the second side is provided with two sanitary areas; preferably, the eight laundry areas are respectively arranged at two sides of the railway vehicle, namely a first side and a second side, the first side is provided with six civil laundry areas, the second side is provided with two industrial laundry areas, and a water supply pipeline at each side is connected with a valve, for example, a tenth valve 410 is connected in the water supply pipeline at the first side and is used for controlling the on-off of cold water supplied to the laundry areas at the first side by a pipeline; a water discharge valve is connected to the water supply pipeline on each side, for example, a fifth water discharge valve 705 is connected to the water supply pipeline in the first side laundry area, and is used for discharging water in the first side laundry area when the first side laundry area is not used; the arrangement mode of the sanitary area and the laundry area is only a preferred mode in the embodiment, and different arrangement modes can be set according to different actual demand conditions.
In this embodiment, at the first end, the cold water supply is also performed in such a manner that a cold water pipeline is connected to an inlet of an eleventh valve 411, an outlet of the eleventh valve 411 is connected to an individual hand washing area, and the eleventh valve 411 is used for controlling on-off of water supply of the hand washing area; the above arrangement of the hand washing area is a preferred embodiment, and can be specifically arranged according to the requirements of specific operators.
In the present embodiment, at the second end, the cold water is supplied in such a manner that the second sub-tank group 120 includes two sub-tanks, namely, a fifth sub-tank and 113 a sixth sub-tank 114, and the second sub-pressurization device group 220 includes two sub-pressurization devices, namely, a fifth sub-pressurization device 221 and a sixth sub-pressurization device 222; the outlet of the fifth sub water tank 113 is connected with the inlet of the twelfth valve 412, the outlet of the twelfth valve 412 is connected with the inlet of the fifth sub pressurizing device 221, the outlet of the fifth sub pressurizing device 221 is connected with the inlet of the thirteenth valve 413, the outlet of the thirteenth valve 413 is connected with the inlet tank of the third check valve 603, the outlet of the third check valve 603 is connected with the inlet of the sixth drain valve 706, when the fifth sub pressurizing device 211 needs to be replaced, the connection between the fifth sub pressurizing device 221 and the fifth sub water tank 113 can be cut off by closing the twelfth valve 412 and the thirteenth valve 413, the water in the water tanks does not need to be discharged completely, the third check valve 603 is used for protecting the fifth sub pressurizing device 221, the fifth sub pressurizing device 221 is prevented from being damaged by water backflow, and the sixth drain valve 706 is used for draining water in the pipeline when the water supply system is not in use; the outlet of the sixth sub water tank 114 is connected to the inlet of the fourteenth valve 414, the outlet of the fourteenth valve 414 is connected to the inlet of the sixth sub pressurizing device 222, the outlet of the sixth sub pressurizing device 222 is connected to the inlet of the fifteenth valve 415, the outlet of the fifteenth valve 415 is connected to the inlet of the fourth check valve 604, the outlet of the fourth check valve 604 is connected to the inlet of the seventh drain valve 707, when the sixth sub pressurizing device 222 needs to be replaced, the connection between the sixth sub pressurizing device 222 and the sixth sub water tank 114 can be cut off by closing the fourteenth valve 414 and the fifteenth valve 415, without discharging all the water in the water tank, the fourth check valve 604 is used for protecting the sixth sub pressurizing device 222, and preventing the water from flowing back and damaging the sixth sub pressurizing device 222, and the seventh drain valve 707 is used for draining the water in the pipeline when the water supply system is not in use.
In this embodiment, at the second end, the cold water is supplied in such a manner that the outlet of the third check valve 603 is further connected to the inlet of the sixteenth valve 416, the outlet of the fourth check valve 604 is further connected to the inlet of the seventeenth valve 417, the outlet of the sixteenth valve 416 is connected to the outlet of the seventeenth valve 417 to be connected to the pipeline, and whether the fifth sub-tank 113 and the sixth sub-tank 114 are supplied with water as in the pipeline can be controlled by switching on and off the sixteenth valve 416 and the seventeenth valve 417; the pipeline is used for conveying cold water to the shower area 530 and is connected with domestic water equipment of the shower area 530; in order to meet the use requirements of constructors, preferably, shower areas 530 are arranged on two sides of the rail vehicle, namely a first side shower area and a second side shower area respectively, two valves, namely an eighteenth valve 418 and a nineteenth valve 419 are arranged on cold water pipelines before entering the shower areas on the first side and the second side respectively, the cold water pipelines are used for controlling the on-off of cold water supply of the first side shower area and the second side shower area, an eighth drain valve 708 and a ninth drain valve 709 are respectively connected into the cold water pipelines of the first side shower area and the second side shower area and are used for draining water in the pipelines of the first side shower area or the second side shower area, and preferably nine shower area positions are arranged on the first side and nine shower area positions are arranged on the second side according to the requirements of constructors of the rail vehicle; the arrangement of the shower area is only a preferred arrangement in this embodiment, and different arrangements may be provided according to different actual requirements.
In this embodiment, a cold water standby pipeline is further designed, when the first end tank or the second end tank cannot normally supply cold water, the cold water standby pipeline is provided between the sanitary area 510 and the laundry area 520 of the first end and the shower area 530 of the second end, a twentieth valve 420 and a tenth drain valve 710 are connected, the water supply output pipeline of the sanitary area 510 and the laundry area 520 of the first end and the inlet of the twentieth valve 420 are connected, the outlet of the twentieth valve 420 is connected with the inlet of the water supply pipeline of the shower area 530 of the second end, the inlet of the tenth drain valve 710 is connected with the outlet of the twentieth valve 420, and the pipelines of the first end and the second end can be communicated by closing the twentieth valve 420, so that the first sub-tank group 110 can supply cold water to the second end, and the second sub-tank group 120 can supply water to the first end, by opening the tenth drain valve, the water in the line can be drained.
In the embodiment, at the first end, the hot water is supplied in the following manner, the first sub split type air source heat pump water heater group 310 includes two sub split type air source heat pump water heaters, which are respectively the third sub split type air source heat pump water heater 311 and the fourth sub split type air source heat pump water heater 312, an outlet of the first check valve 601 connected in the pipeline of the third sub water tank 111 is connected to an inlet of the thirty-fifth valve 435, an inlet of the thirty-fifth valve 435 is connected to an inlet of the third sub split type air source heat pump water heater 311, and an outlet of the third sub split type air source heat pump water heater 311 is connected to an inlet of the twenty-first valve 421 and an inlet of the eleventh drain valve 711; an outlet of the second check valve 602 connected in the pipeline of the fourth sub water tank 112 is connected with an inlet of a thirty-sixth valve 436, an outlet of the thirty-sixth valve 436 is connected with an inlet of a fourth sub split type air source heat pump water heater 312, and an outlet of the fourth sub split type air source heat pump water heater 312 is connected with an inlet of a twentieth valve 422 and an inlet of a twelfth drain valve 712; the second sub-pressurization device group 220 comprises a fifth sub-pressurization device 221, an outlet of the twenty-first valve 421 and an outlet of the twenty-second valve 422 are connected with an inlet of the twenty-third valve 423, an outlet of the twenty-third valve 423 is connected with an inlet of the fifth sub-pressurization device 221, an outlet of the fifth sub-pressurization device 221 is connected with an inlet of the twenty-fourth valve 424, an outlet of the twenty-fourth valve 424 is connected with an inlet of a fifth check valve 605, when the fifth sub-pressurization device 221 is damaged, the twenty-third valve 423 and the twenty-fourth valve 424 can be closed to replace the fifth sub-pressurization device 221 without discharging water in the third sub-tank 111 and the fourth sub-tank 112, the fifth check valve 605 is used for preventing water in the water pipe from flowing back into the fifth sub-pressurization device 221 to damage the fifth sub-pressurization device 221, an outlet of the fifth check valve 605 is connected with an inlet of the twenty-fifth check valve 425, the twenty-fifth valve 425 is connected at its outlet to the first side shower area and the twenty-fifth valve 425 is used to control the supply of hot water to the first side shower area.
In this embodiment, at the second end, the hot water is supplied in the following manner, the second sub split type air source heat pump water heater group 320 includes two sub split type air source heat pump water heaters, which are respectively the fifth sub split type air source heat pump water heater 321 and the sixth sub split type air source heat pump water heater 322, an outlet of the third check valve 603 connected in the pipeline of the fifth sub water tank 113 is connected to an inlet of the thirty-seventh valve 437, an outlet of the thirty-seventh valve 437 is connected to an inlet of the fifth sub split type air source heat pump water heater 321, and an outlet of the fifth sub split type air source heat pump water heater 321 is connected to an inlet of the twenty-sixth valve 426 and an inlet of the thirteenth drain valve 713; an outlet of the fourth check valve 604 connected in the pipeline of the sixth sub water tank 114 is connected with an inlet of a thirty-eighth valve 438, an outlet of the thirty-eighth valve 438 is connected with an inlet of a sixth sub split type air source heat pump water heater 322, and an outlet of the sixth sub split type air source heat pump water heater 322 is connected with an inlet of a twenty-seventh valve 427 and an inlet of a fourteenth drain valve 714; the second sub-pressurization device group 220 further comprises a sixth sub-pressurization device 222, wherein the outlet of the twenty-sixth valve 426 and the outlet of the twenty-seventh valve 427 are connected with the inlet of the twenty-eighth valve 428, the outlet of the twenty-eighth valve 428 is connected with the inlet of the sixth sub-pressurization device 222, the outlet of the sixth sub-pressurization device 222 is connected with the inlet of the twenty-ninth valve 429, the outlet of the twenty-ninth valve 429 is connected with the inlet of the sixth check valve 706, when the sixth sub-pressurization device 222 is damaged, the twenty-eighth valve 428 and the twenty-ninth valve 429 can be closed without discharging the water in the fifth sub-tank 113 and the sixth sub-tank 114, the sixth check valve 606 is used for preventing the water in the water pipe from flowing back into the sixth sub-pressurization device 222 and damaging the sixth sub-pressurization device 222, the outlet of the sixth check valve 606 is connected with the inlet of the thirty-fourth valve 430, the thirtieth valve 430 outlet is connected to the second side shower area for supplying hot water to the second side shower area.
In this embodiment, the above hot water supply line connection is preferably adopted, and in practical applications, other hot water supply connections may be adopted, for example, the third sub-tank and the fourth sub-tank may also be used for hot water supply in the second side shower area, and the fifth sub-tank and the sixth sub-tank may also be used for hot water supply in the first side shower area.
In this embodiment, a hot water standby pipeline is further designed for hot water supply, an outlet of the fifth check valve 605 is connected with an inlet of a thirty-first valve 431, an outlet of the thirty-first valve 431 is connected with an outlet of a sixth check valve 606, and an outlet of the thirty-first valve 431 is connected with an inlet tank of a fifteenth drain valve 715; by closing the thirty-first valve 431, the communication between the pipes of the first and second end portions can be achieved, so that the first sub-tank group 110 can supply hot water to the second end portion, the second sub-tank group 120 can supply water to the first end portion, and by opening the fifteenth drain valve 715, the water in the pipes can be drained.
In this embodiment, a water tank vehicle lower communication pipeline is further provided, the water tank vehicle lower communication pipeline is communicated with the third sub water tank 111, the fourth sub water tank 112, the fifth sub water tank 113 and the sixth sub water tank 114, the upper end of the third sub water tank 111 is connected with a first overflow pipe 801, the bottom end of the third sub water tank 111 is connected with a first emptying pipe 805, the upper end of the fourth sub water tank 112 is connected with a second drainage pipe 802, the bottom end of the fourth sub water tank 112 is connected with a second emptying pipe 806, the top end of the fifth sub water tank 113 is connected with a first drainage pipe 803, the bottom end of the fifth sub water tank 113 is connected with a third emptying pipe 807, the top end of the sixth sub water tank 114 is connected with a second drainage pipe 804, and the bottom end of the sixth sub water tank 114 is connected with a fourth emptying; a sixteenth drain valve 716 is connected to the lower communicating pipe of the water tank truck at the first end, and a seventeenth drain valve 717 is connected to the lower communicating pipe of the water tank truck at the second end; when a water source is filled through a water filling port connected to the fifth sub-tank or the sixth sub-tank, and water is supplied to other tanks through the under-vehicle communication pipe of the tank, the water source is preferably connected to a pipe at the second end, the top parts of the fifth sub-tank 113 and the sixth sub-tank 114 at the second end are connected to a first drain pipe 803 and a second drain pipe 804, and the fifth sub-tank 113 and the sixth sub-tank 114 are generally filled with water first because the water source is closer to the second end, so that the third sub-tank 111 and the fourth sub-tank 112 can continue to be filled with water, the first drain pipe 803 and the second drain pipe 804 can be closed to continue to be filled with water until the first overflow pipe 801 overflows, which indicates that the third sub-tank 111 and the fourth sub-tank 112 are filled with water, and the water filling can be stopped; since the first emptying pipe 805 is disposed at the bottom end of the third subtank 111, the first emptying pipe 805 can discharge all the water in the third subtank 111 after being opened, and similarly, the second emptying pipe 806, the third emptying pipe 807 and the fourth emptying pipe 808 can empty the water in the fourth subtank 112, the fifth subtank 113 and the sixth subtank 114. Similarly, the overflow pipe may be disposed at the second end portion, so that the water supply is preferably connected to the tank at the first end portion.
In this embodiment, an under-vehicle through pipeline is further provided, and the under-vehicle through pipeline is used for being not beneficial to water delivery when the ground water source is far away from the rail vehicle, so that the rail vehicle can be connected with under-vehicle through pipelines of other rail vehicles, and water of a remote water source is delivered into the under-vehicle through pipeline of the rail vehicle through the other rail vehicles, so that delivery of the remote water source is realized; a thirtieth valve 432 and a fortieth valve 440 are also connected in the under-vehicle through pipeline, the thirtieth valve 432 and the fortieth valve 440 are used for controlling the on-off of the under-vehicle through pipeline,
a thirty-third valve is further arranged, an inlet of the thirty-third valve 433 is connected to a through pipeline under the vehicle, an outlet of the thirty-third valve 433 is connected to an inlet of a thirty-fourth valve 434 in a water filling pipeline of the sixth sub-tank 114 and an outlet of a thirty-ninth valve 439, an outlet of the thirty-fourth valve 434 is connected with a water filling pipe connected to the sixth sub-tank 114, and an inlet of the thirty-ninth valve 439 is connected with a water filling port; an eighteenth drain valve 718 is further connected in the under-vehicle through pipeline and used for draining water in the under-vehicle through pipeline. When the through pipeline under the vehicle is filled with water from the thirty-second valve 432 end, the forty-first valve 440 and the thirty-ninth valve 439 are closed, the thirty-second valve 432 and the thirty-third valve 433 are opened, water can flow into the through pipeline under the vehicle through the thirty-second valve 432 and flow into the sixth sub-tank through the thirty-third valve 433, when the through pipeline under the vehicle is filled with water from the forty-second valve 440 end, the principle is the same as that described above, and the description is omitted; when water is directly injected into the on-vehicle pipeline, the thirty-third valve 433 needs to be closed, and the thirty-ninth valve 439 needs to be opened to inject water.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A water supply system for supplying water to a domestic water appliance, comprising:
a water tank for containing water;
the split air source heat pump water heater is used for heating cold water supplied by the water tank;
a supercharging arrangement, comprising:
-first sub-pressurising means for pressurising water output from said tank;
-a second sub-pressurising means for pressurising the water output by the split air source heat pump water heater;
pipeline on the water tank car includes:
-a cold water line, said tank outlet being connected to said first pressure boosting device inlet, said first pressure boosting device outlet being connected to said domestic water appliance;
-a hot water pipeline, wherein the outlet of the water tank is connected with the inlet of the first supercharging device, the outlet of the first supercharging device is connected with the inlet of the split air source heat pump water heater, the outlet of the split air source heat pump water heater is connected with the inlet of the second supercharging device, and the outlet of the second supercharging device is connected with the domestic water equipment.
2. The water supply system of claim 1, further comprising an under-vehicle communication line, an outlet of the under-vehicle communication line being connected to the tank inlet.
3. The water supply system of claim 1, wherein the tank comprises: at least one first sub-tank group and at least one second sub-tank group;
the first sub water tank group is arranged at the first end part of the railway vehicle, an inlet of the first sub water tank group is connected with the under-vehicle communication pipeline, and an outlet of the first sub water tank group is used for being connected with the domestic water equipment arranged at the first end part of the railway vehicle;
the second sub water tank is arranged at the second end part of the rail vehicle, an inlet of the second sub water tank is connected with the under-vehicle communication pipeline, and an outlet of the second sub water tank is used for being connected with the domestic water equipment arranged at the second end part of the rail vehicle;
wherein the first end and the second end of the rail vehicle are arranged facing away from each other.
4. The water supply system of claim 3 wherein the split air source heat pump water heater comprises: the first sub-split type air source heat pump water heater and the second sub-split type air source heat pump water heater are connected with the first air source heat pump water heater and the second air source heat pump water heater respectively;
-a first sub-split air source heat pump water heater is arranged at a first end of the rail vehicle, an inlet of the first sub-split air source heat pump water heater being connected to an outlet of the first water tank;
-a second sub-split type air source heat pump water heater is arranged at the second end part of the rail vehicle, and an inlet of the second sub-split type air source heat pump water heater is connected with an outlet of the second water tank.
5. The water supply system as claimed in claim 3, wherein an overflow pipe is connected to an outlet at an upper end of the first sub-tank group, a drain pipe is connected to an outlet at a top end of the second sub-tank group, and a drain pipe is connected to outlets of the first sub-tank group and the second sub-tank group.
6. The water supply system according to claim 3, further comprising a cold water backup line, one end of which is connected to the domestic water appliance at a first end of the rail vehicle, the other end of which is connected to the domestic water appliance at a second end of the rail vehicle; and a first valve is connected in the cold water standby pipeline.
7. The water supply system according to claim 4, further comprising a hot water backup line, one end of which is connected to the domestic water appliance at a first end of the rail vehicle and the other end of which is connected to the domestic water appliance at a second end of the rail vehicle; and a second valve is connected in the hot water standby pipeline.
8. The water supply system of claim 1 wherein the split air source heat pump water heater comprises an indoor unit and an outdoor unit, the indoor unit is disposed within a rail vehicle, and the outdoor unit is disposed under the rail vehicle.
9. The water supply system according to at least one of claims 1 to 9, further comprising an under-car through-channel for the transfer of water between different rail vehicles.
10. The water supply system of claim 9, wherein a first drain valve is connected to the under-vehicle communication line and is configured to drain water from the under-vehicle communication line; and a second drain valve is connected in the under-vehicle through pipeline and is used for emptying the water in the under-vehicle through pipeline.
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| CN202011352703.2A CN112721961B (en) | 2020-11-26 | 2020-11-26 | Water supply system |
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| CN202011352703.2A CN112721961B (en) | 2020-11-26 | 2020-11-26 | Water supply system |
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| CN112721961B CN112721961B (en) | 2022-11-18 |
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| CN112721961B (en) | 2022-11-18 |
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