CN204150039U - A kind of guideway vehicle water supply system - Google Patents
A kind of guideway vehicle water supply system Download PDFInfo
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- CN204150039U CN204150039U CN201420599484.1U CN201420599484U CN204150039U CN 204150039 U CN204150039 U CN 204150039U CN 201420599484 U CN201420599484 U CN 201420599484U CN 204150039 U CN204150039 U CN 204150039U
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Abstract
The utility model relates to a kind of guideway vehicle water supply system, comprise water tank, water pump, pressure switch for water pump, suction culvert, water supply line and the control box for controlling described pump working state, suction culvert is connected in series an entering water electromagnetic valve, this system also includes electric heater unit and the temperature detect switch for testing environment temperature, temperature detect switch controls electric heater unit start and stop, suction culvert and water supply line are connected to first row water pipe and second row water pipe, first row water pipe and second row water pipe are connected in series a first row water solenoid valve and second row water solenoid valve respectively, the bottom of water tank is provided with sluicing valve.Utility model works is reliable and stable, ensure that pipeline has the water in water pump also not freeze during environment operation more than-25 DEG C or-40 DEG C, be continuously train and water source is provided, guarantee antifreeze ability and the maintainability of water supply system, water pump without the need to continuous running, and then can extend water pump service life.
Description
Technical field
The utility model relates to a kind of water supply system, particularly a kind of water supply system installed on guideway vehicle, belongs to guideway vehicle manufacturing technology field.
Background technology
The water pump of existing guideway vehicle water supply system controls, the flow switch that main dependence water pump carries itself, to the flow of water pump, and the mode of operation of water pump is controlled, terminal that car supplies water has people in use, pump working, supply water on car, but, when the unmanned use of terminal that car supplies water, water pump will quit work, now, water in pipeline will remain static, if in the winter time, water in pipeline will freeze, finally cause line clogging, car cannot use with water, in addition, when the water supply terminal on car arranges damage, or during someone malice water, existing control system of water pump cannot detect this kind of situation, water pump can supply water always on car, cause the significant wastage of water resource.Existing control system of water pump, freeze-proof is poor, and without anti-leak function.
In order to solve the problem, be in the Chinese patent " water pump control method in guideway vehicle water supply system and control system " of 200810097828.8 in the patent No., propose and be communicated with a by passage between the water outlet and water tank of water pump, for when end wetting system on car is closed, the water pumped by water pump is back in water tank, water pump can operate always in the energized state, and the water in water tank and water lines circulates always, ensure that the water of pipeline can not freeze.But water pump continuous running can cause the life-span of water pump greatly to shorten, and fault rate remains high always, the water pump material especially at present train selected is engineering plastics, and design service life only has 3 years.
Utility model content
The utility model main purpose is to solve the problem and deficiency, provides a kind of working stability reliable, the antifreeze ability of assure feed water system, extends the guideway vehicle water supply system in water pump service life.
For achieving the above object, the technical solution of the utility model is:
A kind of guideway vehicle water supply system, comprise water tank, water pump, pressure switch for water pump, suction culvert, water supply line and the control box for controlling described pump working state, one end of described suction culvert is positioned at the bottom of described water tank, the other end is connected to the entrance of described water pump, one end of described water supply line is connected to described water delivery side of pump, the other end supplies water to terminal water equipment, described suction culvert is connected in series an entering water electromagnetic valve, this system also includes electric heater unit and the temperature detect switch for testing environment temperature, described temperature detect switch controls described electric heater unit start and stop, described suction culvert and water supply line are connected to first row water pipe and second row water pipe, described first row water pipe and second row water pipe are connected in series a first row water solenoid valve and second row water solenoid valve respectively, the bottom of described water tank is provided with sluicing valve.
Further, described electric heater unit comprises the electric-heating belt being arranged on electric heater on described water pump and being arranged on described suction culvert and water supply line.
Further, be also connected in series a valve at described water tank with on the suction culvert between water pump, disconnect described water tank during for overhauling and be connected with the water route between water pump.
Further, the water supply line of described pump outlet is connected in series an energy storage tank.
Further, the suction culvert of described pump entrance end is connected in series one for detecting the large discharge protection switch of suction culvert discharge, described large discharge protection switch is connected with described control box.
Further, the water supply line of described pump outlet is connected in series one for detecting the Leak Detection switch of water supply line leakage flow, described Leak Detection switch is connected with described control box.
Further, the water supply line of described pump outlet is connected in series one for detecting the air-breathing protection switch of gaseous tension in water supply line, described air-breathing protection switch is connected with described control box.
Further, described water pump connects separately a pump drain pipe, and the other end of described pump drain pipe accesses described first row water pipe.
Further, water supply line, suction culvert are serially connected with feed water filter and water inflow filter respectively.
Further, described water tank is provided with water injection pipe and overflow pipe, and described water injection pipe and overflow pipe are serially connected with water injection filter and spilling water filter respectively.
To sum up content, a kind of guideway vehicle water supply system provided by the utility model, by set temperature detector switch and electric heater unit, ensure that pipeline has the water in water pump also not freeze during environment operation more than-25 DEG C or-40 DEG C, be continuously train and water source is provided, guarantee antifreeze ability and the maintainability of water supply system, water pump without the need to continuous running, and then can extend water pump service life.
On suction culvert, delivery piping, water tank and water pump, all drain hose is connected with in this system, water in whole suction culvert and water supply line all can automatic-discharging, arrange cleaner, when effectively preventing use in winter, during Train Stopping, pipeline freezes, and emptying mode can be selected according to the ambient temperature of surrounding, use and more reliably facilitate.
In addition, this system, by actv. Stress control, for train provides stable pressure of supply water, ensures that the pressure of train water end (W.E.) is in very little scope, and the pressure in water supply line can not be impacted because range of pressure is excessive, and solve the problem that pipeline when water pump does not operate freezes.
Also there is anti-leak measuring ability, suction pressure protection and large discharge defencive function within the system simultaneously, make this system works more reliable and more stable.
Accompanying drawing explanation
Fig. 1 the utility model system schematic.
As shown in Figure 1, water tank 1, sluicing valve 2, water injection pipe 3, water injection filter 4, spilling water filter 5, first row water solenoid valve 6, pumping drainage valve 7, large discharge protection switch 8, water pump 9, energy storage tank 10, aie escape valve 11, Leak Detection switch 12, feed pipe filter 13, terminal water equipment 14, suction culvert 15, water supply line 16, air-breathing protection switch 17, pressure switch for water pump 18, control box 19, entering water electromagnetic valve 20, filter 21, ball valve 22, liquid level detecting switch 23, overflow pipe 24, first row water pipe 25, second row water pipe 26, second row water solenoid valve 27, pump drain pipe 28.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in Figure 1, a kind of guideway vehicle water supply system provided by the utility model, for train provides water source, comprises the water cock and electric water boiler etc. of closet, lavatory.
This system comprises water tank 1, water pump 9, pressure switch for water pump 18, suction culvert 15, water supply line 16 and control box 19, control box 19 is for controlling the mode of operation of water pump 9, control box 19 is fixedly mounted on the housing of water tank 1, and water pump 9, pressure switch for water pump 18 etc. are all connected with control box 19 electric wire.
Water tank 1 both can be underslung water tank, and also can be roof water tank, underslung water tank be suspended on the car body of train, and this device is arranged on water tank inside.Roof water tank is arranged in car, and this device both can be arranged in water tank, also can arrange installation as separate modular.
Water tank 1 is provided with two water injection pipes 3 and an overflow pipe 24, because vehicle operating environment is comparatively complicated, in order to ensure the hygienic requirements of the water in water tank 1, in the present embodiment, every root water injection pipe 3 is serially connected with water injection filter 4, overflow pipe 24 is serially connected with spilling water filter 5.
Water tank 1, according to client's needs, water tank 1 is provided with five liquid level detecting switchs 23, detects 0%, 25%, 50%, 75%, 100% 5 gear liquid level respectively.This five gears liquid level all can external output signal, when liquid level display installed by the skirtboard of train, can show the liquid level in water tank 1 in real time, and like this, water flood operations work is easy to observe whether water filling in this feed-tank 1.
One end of suction culvert 15 is positioned at the bottom of water tank 1, and for sucking water in water tank 1, the other end of suction culvert 15 is connected to the entrance of water pump 9, and an end of water supply line 16 is connected to the outlet of water pump 9, and the other end supplies water to terminal water equipment 14.Water supply line 16, suction culvert 15 are serially connected with feed water filter 13 and water inflow filter 21 respectively, ensure to provide to terminal water equipment 14 water meeting hygienic standard, ensure that impurity can not enter in water pump 9 simultaneously, ensure the normal table running of water pump 9.
Suction culvert 15 between water tank 1 and water pump 9 is serially connected with entering water electromagnetic valve 20, and entering water electromagnetic valve 20 is normally closed solenoid valve, when water pump 9 operates as train water supply, entering water electromagnetic valve 20 is opened, must not electricity time, entering water electromagnetic valve 20 is closed condition, stops supplying water to terminal water equipment 14.
Water pump 9 is connected with pressure switch for water pump 18, and pressure switch for water pump 18 setting value is 98kPa--127kPa, and water pump 9 is at this operated within range.When train water, along with pipeline water outlet, line pressure can decline gradually, and when dropping to certain numerical value (during 98kPa), pressure switch for water pump 18 will control water pump 9 and operate; When train is without water, water pump 9 remains in operation until when pressure switch for water pump 18 detects that water supply line pressure reaches 127kPa, and water pump 9 stops automatically.
For preventing water pump 9 frequent start-stop, in the present embodiment, the water supply line 16 of water pump 9 exit end is connected in series an energy storage tank 10, when pipeline terminal water consumption is less than 0.7L, water pump 9 can not start, this design reduces the number of times of water pump 9 start and stop, increases the service life, can ensure that the pressure ratio of pipeline is more steady.
Suction culvert 15 between water tank 1 with water pump 9 is also connected in series a valve 22, disconnects water tank 1 during for overhauling and be connected with the water route between water pump 9, convenient maintenance.
This system also includes electric heater unit and the temperature detect switch for testing environment temperature, electric heater unit comprises the electric-heating belt (not shown) being arranged on electric heater (not shown) on water pump 9 and being arranged on suction culvert 15 and water supply line 16, and electric-heating belt selects self-temperature-control type electric-heating belt.Electric heater, electric-heating belt and temperature detect switch are all connected with control box 19 electric wire, are controlled the mode of operation of electric heater and electric-heating belt by temperature detect switch.When this temperature detect switch detects that the ambient temperature of surrounding reaches 5 DEG C, electric heater and suction culvert 15, heat tape on pipeline such as water supply line 16 grade is started working, heat tape is according to temp auto-controlled principle, temperature remains in certain scope, even if both ensured water in pipeline and water pump in the winter time (more than-25 DEG C or-40 DEG C operations) water pump also can not freeze when not operating, parts can not be made again overheated, when this ambient temperature reaches 15 DEG C, heating arrangement stops automatically, ensure the work of the normal table of water pump 9, extend the service life of water pump 9.
Suction culvert 15 and water supply line 16 are connected to first row water pipe 25 and second row water pipe 26, first row water pipe 25 and second row water pipe 26 are connected in series first row water solenoid valve 6 and second row water solenoid valve 27 respectively, one or two sluicing valve 2 is connected in the bottom of water tank 1, water pump 9 connects a pump drain pipe 28 separately, the other end access first row water pipe 25 of pump drain pipe 28, pump drain pipe 28 is connected in series pumping drainage valve 7.
First row water solenoid valve 6 and second row water solenoid valve 27 are normally open type magnetic valve, as long as system has electricity just to keep closed condition always, until system cut-off, first row water solenoid valve 6 and second row water solenoid valve 27 are opened, water in whole suction culvert 15 and water supply line 16 all can automatic-discharging, arrange cleaner, bus attendant, by operation antifreeze emptying button, starts evacuation procedure.Prevent parking pipeline in the train short time from freezing during use in winter, guarantee that winter can not freezing water pump 9 simultaneously.When ambient temperature is higher than 0 DEG C, the water in water tank 1 can not be emptying, because the water in water tank 1 can keep the time more grown, even tens hours, just think that train needs parking to exceed certain hour, and external temperature lower than 0 DEG C time, just can water in emptying water tank 1.
The suction culvert 15 of water pump 9 arrival end is connected in series one for detecting the large discharge protection switch 8 of suction culvert 15 discharge, large discharge protection switch 8 is connected with control box 19.The setting value of large discharge protection switch 8 is 2.5L/min, realizes large discharge defencive function, to ensure that pipeline terminal continues the situation with water.During normal use, when water used by car, water pump water supply line pressure drop is to starting mode of pump during 98kPa, and when water equipment is closed, water pump water supply line pressure increase is to 127kPa, and water pump stops.But, if with water on car, as long as flow reaches 2.5L/min, pressure switch for water pump 18 can shield (i.e. short circuit) by control box 19, and now, pressure switch for water pump 18 is just inoperative, ensure that passenger's use water can not be off and on, when passenger closes water valve, flow declines until lower than 2.5L/min, and pressure switch for water pump 18 starts to work.Such as, electric water boiler is water filling first, water supply line needs to continue to close electric water boiler and supplies water, now, even if when line pressure drops to pressure switch for water pump 18 lower limit (i.e. 98kPa), water pump 9 still can continuous running by Logic judgment, for electric water boiler provides water source, instead of frequent start-stop.
The water supply line 16 of water pump 9 exit end is also connected in series a Leak Detection switch 12, and Leak Detection switch 12 is connected with control box 19, and Leak Detection switch 12 is for detecting train water supply line 16 and whether terminal water equipment 14 has leakage.When train terminal water equipment 14 continues to leak, such as passenger forgets that closedown water valve or water valve damage and continues to leak, as long as leak, flow reaches 1L/min, Leak Detection switch 12 detects automatically, lasting leakage reaches 3min, water pump 9 shuts down 3min, then, water pump 9 remains in operation 3min, now, if system still detects leakage, water pump 9 shuts down 3min again, then, water pump 9 remains in operation 3min again, if still do not processed, system thoroughly stops, to prevent the water in water case 1 emptying, simultaneously, this system sends breakdown signal to train, until bus attendant removes fault, namely when centre water valve closedown any time, system automatically resets, return to initial condition.
The water supply line 16 of water pump 9 exit end is connected in series one for detecting the air-breathing protection switch 17 of gaseous tension in water supply line, air-breathing protection switch 17 is connected with control box 19.Water pump 9 protected by air-breathing protection switch 17, water pump 9 dry running when preventing water tank 1 anhydrous and damaging.
As mentioned above, plan content given in conjunction with the accompanying drawings and embodiments, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a guideway vehicle water supply system, comprise water tank, water pump, pressure switch for water pump, suction culvert, water supply line and the control box for controlling described pump working state, one end of described suction culvert is positioned at the bottom of described water tank, the other end is connected to the entrance of described water pump, one end of described water supply line is connected to described water delivery side of pump, the other end supplies water to terminal water equipment, described suction culvert is connected in series an entering water electromagnetic valve, it is characterized in that: also include electric heater unit and the temperature detect switch for testing environment temperature, described temperature detect switch controls described electric heater unit start and stop, described suction culvert and water supply line are connected to first row water pipe and second row water pipe, described first row water pipe and second row water pipe are connected in series a first row water solenoid valve and second row water solenoid valve respectively, the bottom of described water tank is provided with sluicing valve.
2. guideway vehicle water supply system according to claim 1, is characterized in that: described electric heater unit comprises the electric heater be arranged on described water pump and the electric-heating belt be arranged on described suction culvert and water supply line.
3. guideway vehicle water supply system according to claim 1, is characterized in that: be also connected in series a valve at described water tank with on the suction culvert between water pump, disconnects described water tank and be connected with the water route between water pump during for overhauling.
4. guideway vehicle water supply system according to claim 1, is characterized in that: on the water supply line of described pump outlet, be connected in series an energy storage tank.
5. guideway vehicle water supply system according to claim 1, is characterized in that: on the suction culvert of described pump entrance end, be connected in series one for detecting the large discharge protection switch of suction culvert discharge, described large discharge protection switch is connected with described control box.
6. guideway vehicle water supply system according to claim 1, is characterized in that: on the water supply line of described pump outlet, be connected in series one for detecting the Leak Detection switch of water supply line leakage flow, described Leak Detection switch is connected with described control box.
7. guideway vehicle water supply system according to claim 1, is characterized in that: on the water supply line of described pump outlet, be connected in series one for detecting the air-breathing protection switch of gaseous tension in water supply line, described air-breathing protection switch is connected with described control box.
8. guideway vehicle water supply system according to claim 1, is characterized in that: described water pump connects separately a pump drain pipe, and the other end of described pump drain pipe accesses described first row water pipe.
9. guideway vehicle water supply system according to claim 1, is characterized in that: on water supply line, suction culvert, be serially connected with feed water filter and water inflow filter respectively.
10. guideway vehicle water supply system according to claim 1, is characterized in that: described water tank is provided with water injection pipe and overflow pipe, and described water injection pipe and overflow pipe are serially connected with water injection filter and spilling water filter respectively.
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| CN201420599484.1U CN204150039U (en) | 2014-10-17 | 2014-10-17 | A kind of guideway vehicle water supply system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986164A (en) * | 2015-07-30 | 2015-10-21 | 南车成都机车车辆有限公司 | Automatic water supply system for bus and water supply method |
| CN106082467A (en) * | 2016-05-31 | 2016-11-09 | 佛山市云米电器科技有限公司 | Anti-leakage purifier and control method thereof |
| CN106882194A (en) * | 2017-03-22 | 2017-06-23 | 沈阳铁路局科学技术研究所 | A kind of passenger train servicing work car multipurpose water tank |
| CN109532946A (en) * | 2018-11-28 | 2019-03-29 | 中车青岛四方机车车辆股份有限公司 | A kind of electric water boiler and electric water boiler group of rail vehicle |
| CN112208574A (en) * | 2020-09-11 | 2021-01-12 | 中车株洲电力机车有限公司 | Drainage anti-freezing system for vehicle and control method |
| CN112343808A (en) * | 2020-11-06 | 2021-02-09 | 荏原机械（中国）有限公司 | Outdoor double-water-pump anti-freezing control system |
| CN112644523A (en) * | 2020-12-07 | 2021-04-13 | 青岛四方庞巴迪铁路运输设备有限公司 | Anti-freezing emptying control method for water tank of railway vehicle |
| CN112660172A (en) * | 2019-10-15 | 2021-04-16 | 中车唐山机车车辆有限公司 | Water supply system and control method for water supply system |
| CN112721961A (en) * | 2020-11-26 | 2021-04-30 | 中车四方车辆有限公司 | Water supply system |
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2014
- 2014-10-17 CN CN201420599484.1U patent/CN204150039U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986164A (en) * | 2015-07-30 | 2015-10-21 | 南车成都机车车辆有限公司 | Automatic water supply system for bus and water supply method |
| CN106082467A (en) * | 2016-05-31 | 2016-11-09 | 佛山市云米电器科技有限公司 | Anti-leakage purifier and control method thereof |
| CN106082467B (en) * | 2016-05-31 | 2022-12-02 | 广东栗子科技有限公司 | Water purifier capable of preventing water leakage and control method thereof |
| CN106882194A (en) * | 2017-03-22 | 2017-06-23 | 沈阳铁路局科学技术研究所 | A kind of passenger train servicing work car multipurpose water tank |
| CN109532946A (en) * | 2018-11-28 | 2019-03-29 | 中车青岛四方机车车辆股份有限公司 | A kind of electric water boiler and electric water boiler group of rail vehicle |
| CN112660172A (en) * | 2019-10-15 | 2021-04-16 | 中车唐山机车车辆有限公司 | Water supply system and control method for water supply system |
| CN112208574A (en) * | 2020-09-11 | 2021-01-12 | 中车株洲电力机车有限公司 | Drainage anti-freezing system for vehicle and control method |
| CN112208574B (en) * | 2020-09-11 | 2022-05-10 | 中车株洲电力机车有限公司 | Drainage anti-freezing system for vehicle and control method |
| CN112343808B (en) * | 2020-11-06 | 2022-03-18 | 荏原机械（中国）有限公司 | Outdoor double-water-pump anti-freezing control system |
| CN112343808A (en) * | 2020-11-06 | 2021-02-09 | 荏原机械（中国）有限公司 | Outdoor double-water-pump anti-freezing control system |
| CN112721961A (en) * | 2020-11-26 | 2021-04-30 | 中车四方车辆有限公司 | Water supply system |
| CN112721961B (en) * | 2020-11-26 | 2022-11-18 | 中车四方车辆有限公司 | Water supply system |
| CN112644523A (en) * | 2020-12-07 | 2021-04-13 | 青岛四方庞巴迪铁路运输设备有限公司 | Anti-freezing emptying control method for water tank of railway vehicle |
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