CN201646727U - Protection device for pressure inside high-speed railway vehicle - Google Patents
Protection device for pressure inside high-speed railway vehicle Download PDFInfo
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- CN201646727U CN201646727U CN2010201495333U CN201020149533U CN201646727U CN 201646727 U CN201646727 U CN 201646727U CN 2010201495333 U CN2010201495333 U CN 2010201495333U CN 201020149533 U CN201020149533 U CN 201020149533U CN 201646727 U CN201646727 U CN 201646727U
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Abstract
The utility model relates to a protection device for pressure inside a high-speed railway vehicle. The protection device comprises an air interchanger, a pressure detection device, an air inlet quantity adjusting mechanism, an air exhaust quantity adjusting mechanism and a pressure control device. When the pressure outside the vehicle changes a lot, the pressure control device inside the vehicle can control the working states of the air inlet quantity adjusting mechanism and the air exhaust quantity adjusting mechanism of a whole train, so as to control the opening of an air inlet and an air outlet, reduce the air inlet quantity and the air exhaust quantity inside the vehicle and improve the adjusting ability for the pressure fluctuation inside the air interchanger, thereby inhibiting the pressure fluctuation outside the vehicle from spreading into the vehicle, ensure the relative stability of the pressure in the vehicle and avoid the discomfort of passengers caused by tinnitus when the high-speed train passes through a tunnel or two trains meet.
Description
Technical field
The utility model relates to a kind of rolling stock interior pressure fender guard, and particularly a kind of high-speed railway vehicle is used to suppress the interior pressure fender guard of interior pressure fluctuation by tunnel or two car intersections the time, belong to vehicle body of railway vehicle manufacturing technology field.
Background technology
When rolling stock passes through tunnel or two car meetings with higher speed, pressure in the tunnel will have bigger change, at this moment, the fluctuation that the car external pressure is bigger can be delivered in the car, the passenger can feel tinnitus (passenger changes and the sense of discomfort acoustically of generation for excessive pressure) makes the passenger feel uncomfortable.The air interchanger of speed per hour on the high-speed railway vehicle more than the 200km can only partly suppress the transmission of car external pressure in car at present, interior pressure is reduced in the scope of traveling comfort requirement, when the car external pressure changes greatly, suppress the requirement of interior pressure fluctuation merely by the air interchanger out of reach.
For addressing the above problem, take dual mode at present basically:
A kind of is active, and active air pressure protection system is the outer bigger air interchanger of static pressure of employing machine, and adopts inverter to carry out initiatively surge suppressing of rotating speed control, guarantees the influence that the guest room internal pressure is not changed by the car external pressure.Active formula pressure protect must be provided with high static pressure ventilating set, its complex structure, and volume weight is bigger, and noise is bigger, and its major advantage is to remain ventilation in the car, guarantees amount of fresh air in the car.
Another kind is a passive type, when rolling stock needs to pass tunnel in high-speed cruising, closes the ventilation inlet and the exhaust outlet of air interchanger, and like this, interior pressure Following Car external pressure has produced certain hysteresis, thereby avoids the bigger fluctuation of car external pressure to be passed in the car.The passive type pressure protect is simple in structure, and dependable performance is convenient to maintaining, and its major defect is that Che Neixin wind reduces when compressor protection switch is closed, and resh air requirement can not guarantee, has reduced the air quality in the compartment.
Summary of the invention
The utility model main purpose is to address the above problem and is not enough, and a kind of high-speed railway vehicle interior pressure fender guard is provided, and can effectively prevent car external pressure variable effect car internal gas pressure, and it is constant relatively to keep the car internal gas pressure.
For achieving the above object, the technical solution of the utility model is:
A kind of high-speed railway vehicle interior pressure fender guard comprises being used for the car outer air is introduced air interchanger simultaneously that air exhaustion car in the car is outer in the car, it is characterized in that: also include, be used for reaching in the inspection vehicle pressure-detecting device of car external pressure change; At the ventilation inlet place of described air interchanger air intake air quantity regulating mechanism is set, air draft air quantity regulating mechanism is set at the exhaust outlet place of described air interchanger; The incoming signal that comes from described pressure-detecting device is carried out data acquisition and processing (DAP), control the pressure control device of described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism; All be connected between described pressure-detecting device, air intake air quantity regulating mechanism and air draft air quantity regulating mechanism and the pressure control device by control line.
Described pressure-detecting device and pressure control device only are arranged in the two stature cars of high-speed railway vehicle, and described pressure-detecting device respectively is provided with one in the both sides of each car driver's cab.
Described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism are by a throttle disk and the control mechanism composition that the described throttle disk of control opens and closes that is used to change described air interchanger ventilation inlet and exhaust outlet aperture, and described control mechanism is connected with described pressure control device by described control line.Described throttle disk is provided with the metal sheet of several breather ports for it, and described throttle disk is ventilation inlet and the exhaust outlet place that is removably installed in described air interchanger.It is corresponding with the changing value of car external pressure that the gross area of breather port accounts for the ratio of the wind inlet channel of described air interchanger or wind output channel sectional area on the described throttle disk.Air intake surface at described ventilation inlet and exhaust outlet is provided with a shutoff plate again, further limits the sectional area of wind inlet channel and wind output channel.
Described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism synchronization action under the control of described pressure control device.
Connecting a new air-valve at the ventilation inlet place of described air interchanger forms, connect a useless valve at the exhaust outlet place of described air interchanger and form, described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism are integrated respectively to be installed on the described new air-valve composition and the valve composition that gives up.
Content to sum up; high-speed railway vehicle interior pressure fender guard described in the utility model; be the active mode that combines with the control of passive type interior pressure; on the air interchanger basis, increase the interior pressure fender guard; when the change of car external pressure is big; the interior pressure control setup is by the air intake air quantity regulating mechanism of control permutation car and the mode of operation of air draft air quantity regulating mechanism; thereby the aperture of control ventilation inlet and exhaust outlet; reduce to advance in the car; exhaust air rate; improve the regulating power of air interchanger interior pressure fluctuation; thereby suppress the propagation of car external pressure fluctuation in car; guarantee the relatively stable of car internal gas pressure, avoid high speed train passenger the time to produce the human discomfort of tinnitus through tunnel or two car meetings.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 the utility model air interchanger structural representation.
As depicted in figs. 1 and 2, air interchanger 1, pressure-detecting device 2, pressure control device 3, air intake air quantity regulating mechanism 4, air draft air quantity regulating mechanism 5, headstock 6, control line 7.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Embodiment one:
As shown in Figure 1; high-speed railway vehicle interior pressure fender guard described in the utility model; comprise being used for the car outer air is introduced air interchanger 1 simultaneously that air exhaustion car in the car is outer in the car that this air interchanger 1 every joint compartment is provided with one, has ventilation inlet and exhaust outlet; the place is provided with air intake blower fan at ventilation inlet; at the exhaust outlet place air draft blower fan is set, the hand of rotation of air intake blower fan and air draft blower fan is opposite, by a driven by motor rotation; so the rotating speed unanimity, intake is identical with exhaust air rate.This interior pressure fender guard is to increase on the basis of original air interchanger 1.
The interior pressure fender guard also comprises pressure-detecting device 2, pressure control device 3, air intake air quantity regulating mechanism 4 and air draft air quantity regulating mechanism 5.
Wherein, pressure-detecting device 2 is used in the inspection vehicle and car external pressure change conditions, general adopts pressure sensor for guaranteeing to detect accurately, guarantees to monitor at any time the variation of car external pressure, diverse location at full train need be provided with a plurality of pressure sensors, in the present embodiment, the full train of this pressure sensor is provided with four altogether, and only two headstocks 6 at high speed train are provided with, each headstock 6 respectively is provided with two, is installed in the both sides of headstock 6 driver's cabs respectively.
Pressure sensor need be opened the aperture that a diameter is ￠ 8 when mounted on the car body of headstock 6, pressure sensor needs the storage tank of outfit to be installed in the compartment with reaching.Pressure sensor has two ends, one end is the L0W end, aperture by ￠ 8 on pipeline and the car body is connected outside the car, the pressure that inspection vehicle is outer, the other end is the HIGH end, connects in the car pressure in the inspection vehicle by two storage tanks, gas in this storage tank is by the auxiliary Air compressor air feed of train, and pressure sensor is connected to pressure control device 3 by two core shielding wires.
Pressure control device 3 also is provided with at two headstocks 6, and the air intake air quantity regulating mechanism 4 and the air draft air quantity regulating mechanism 5 of whole train air interchanger 1 are controlled by the control line 7 that runs through the permutation car by pressure control device 3.3 pairs of inside and outside pressure parameters of measuring by pressure-detecting device 2 of car of pressure control device, carry out data acquisition and data handing, when change value of pressure during greater than setting value, control air intake air quantity regulating mechanism 4 and air draft air quantity regulating mechanism 5 synchronization actions, both reduced the intake and the exhaust air rate of air interchanger 1 simultaneously.
Air intake air quantity regulating mechanism 4 is arranged on the ventilation inlet place of air interchanger 1, and air draft air quantity regulating mechanism 5 is arranged on the exhaust outlet place of air interchanger 1.
Air intake air quantity regulating mechanism 4 and air draft air quantity regulating mechanism 5 are formed by throttle disk and control mechanism, throttle disk is its metal sheet that is provided with several breather ports, be used to change air interchanger 1 ventilation inlet and exhaust outlet aperture, thereby regulate the intake and the exhaust air rate of air interchanger 1, throttle disk is removably mounted on the ventilation inlet place and the exhaust outlet place of air interchanger, the rotation of control mechanism control throttle disk or mobile, and then close and open ventilation inlet and exhaust outlet, control mechanism is connected with pressure control device 3 by the control line that runs through whole train, and control mechanism can adopt pneumatic drive mechanism etc.
When car external pressure changing value during greater than setting value, the above-mentioned pneumatic drive of pressure control device 3 controls mechanism, throttle disk is closed, at this moment, owing to offer a plurality of breather ports on the throttle disk, throttle disk can't all stop up wind inlet channel and wind output channel, but reduced the aperture of air interchanger 1 ventilation inlet and exhaust outlet relatively, played the effect of throttling, the intake and the exhaust air rate of air interchanger 1 have been reduced, thereby suppress the transmission in the car external pressure wave direction car, the change value of pressure in the may command guest room is below 200Pa/s, thereby assurance car internal gas pressure is relatively stable.
Because the route difference that each train moved, the condition of the tunnel that passes through, running velocity all can be different when reaching two car meetings, like this, the variation of the car external pressure of high speed train the time through tunnel, and need to reduce with the air quantity ratio all be different, so, need be according to the real-world operation route, according to different tunnel condition etc., determine the changing value of car external pressure, with worst changing value is foundation, carries out detailed ventilation volume and calculates, thereby determine that the gross area of the breather port on the throttle disk accounts for the ratio of the sectional area of wind inlet channel and wind output channel, after determining the gross area of breather port, just can confirm parameters such as the diameter of breather port and quantity.
Throttle disk is detachable the installation, for different trains, then needs to change different throttle disks, promptly is replaced with the throttle disk that meets design requirement, and this changes operation is to carry out under the state that stops.
Connecting a new air-valve again at the ventilation inlet place of air interchanger 1 forms, connect a useless valve at the exhaust outlet place of air interchanger 1 again and form, the control mechanism of air intake and the control mechanism of air draft and the electric elements that are connected thereof are integrated respectively to be installed in that corresponding new air-valve is formed and the valve that gives up is formed.New air-valve is formed the former and air interchanger bonded assembly air channel of replacement, the interface in air channel is in full accord, useless valve is formed and is connected the useless row of air interchanger mouthful place, connects by flange-interface, and the useless row of former air interchanger regulating plate transfers to the exhaust outlet place that useless valve air channel is formed.
Describe working process below in detail:
In high speed train moves to tunnel or during two car meetings, the outer pressure of car has bigger fluctuation, at this moment, four pressure-detecting devices 2 that are positioned at two headstocks 6 will detect the inside and outside pressure parameter of car, and pressure parameter is delivered to pressure control device 3 carry out data acquisition and data handing, as long as a pressure-detecting device 2 detected change value of pressure are arranged in four pressure-detecting devices 2 greater than setting value, pressure control device 3 just transfers to control signal the control mechanism of ventilation inlet and the control mechanism of exhaust outlet simultaneously, make the throttle disk of ventilation inlet and the throttle disk of exhaust outlet rotate simultaneously or move, be used to close ventilation inlet and exhaust outlet, because throttle disk is provided with a plurality of breather ports, make throttle disk can not all stop up ventilation inlet and exhaust outlet, intake and exhaust air rate in the car have just been reduced relatively, improve the regulating power of air interchanger interior pressure fluctuation, thereby suppress the transmission in the car external pressure wave direction car, guarantee the relatively stable of car internal gas pressure.
Embodiment two:
Air intake air quantity regulating mechanism and air draft air quantity regulating mechanism can also have another kind of version.
Ventilation inlet and exhaust outlet place at air interchanger are provided with a shutoff plate again, further limit the sectional area of wind inlet channel and wind output channel, the area of shutoff plate is to calculate according to the ventilation volume of train when the process of passing through tunnel to try to achieve, at this moment, the gross area of the breather port on the throttle disk can be accomplished the maximization of new wind air quantity, and the area by the shutoff plate reduces air intake air quantity and air draft air quantity.The Assembly ﹠Disassembly of shutoff plate is to carry out under the state that train stops, after the shutoff plate is fixing, ventilation volume reduce ratio also with regard to relative fixed.
In order to fixedly secure the shutoff plate, the shutoff plate is arranged on air intake surface one side of ventilation inlet and exhaust outlet.
Claims (10)
1. a high-speed railway vehicle interior pressure fender guard comprises being used for the car outer air is introduced air interchanger simultaneously that air exhaustion car in the car is outer in the car, it is characterized in that: also include,
Be used for reaching in the inspection vehicle pressure-detecting device of car external pressure change;
At the ventilation inlet place of described air interchanger air intake air quantity regulating mechanism is set, air draft air quantity regulating mechanism is set at the exhaust outlet place of described air interchanger;
The incoming signal that comes from described pressure-detecting device is carried out data acquisition and processing (DAP), control the pressure control device of described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism;
All be connected between described pressure-detecting device, air intake air quantity regulating mechanism and air draft air quantity regulating mechanism and the pressure control device by control line.
2. high-speed railway vehicle interior pressure fender guard according to claim 1 is characterized in that: described pressure-detecting device and pressure control device only are arranged in the two stature cars of high-speed railway vehicle.
3. high-speed railway vehicle interior pressure fender guard according to claim 2 is characterized in that: described pressure-detecting device respectively is provided with one in the both sides of each car driver's cab.
4. high-speed railway vehicle interior pressure fender guard according to claim 1; it is characterized in that: described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism are by a throttle disk and the control mechanism composition that the described throttle disk of control opens and closes that is used to change described air interchanger ventilation inlet and exhaust outlet aperture, and described control mechanism is connected with described pressure control device by described control line.
5. high-speed railway vehicle interior pressure fender guard according to claim 4 is characterized in that: described throttle disk is provided with the metal sheet of several breather ports for it.
6. according to claim 4 or 5 described high-speed railway vehicle interior pressure fender guards, it is characterized in that: described throttle disk is ventilation inlet and the exhaust outlet place that is removably installed in described air interchanger.
7. high-speed railway vehicle interior pressure fender guard according to claim 5 is characterized in that: it is corresponding with the changing value of car external pressure that the gross area of breather port accounts for the ratio of the wind inlet channel of described air interchanger or wind output channel sectional area on the described throttle disk.
8. high-speed railway vehicle interior pressure fender guard according to claim 7 is characterized in that: the air intake surface at described ventilation inlet and exhaust outlet is provided with a shutoff plate again, further limits the sectional area of wind inlet channel and wind output channel.
9. high-speed railway vehicle interior pressure fender guard according to claim 1 is characterized in that: described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism synchronization action under the control of described pressure control device.
10. high-speed railway vehicle interior pressure fender guard according to claim 1; it is characterized in that: connect a new air-valve at the ventilation inlet place of described air interchanger and form; connect a useless valve at the exhaust outlet place of described air interchanger and form, described air intake air quantity regulating mechanism and air draft air quantity regulating mechanism are integrated respectively to be installed on the described new air-valve composition and the valve composition that gives up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201495333U CN201646727U (en) | 2010-04-03 | 2010-04-03 | Protection device for pressure inside high-speed railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201495333U CN201646727U (en) | 2010-04-03 | 2010-04-03 | Protection device for pressure inside high-speed railway vehicle |
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| Publication Number | Publication Date |
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| CN201646727U true CN201646727U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201495333U Expired - Lifetime CN201646727U (en) | 2010-04-03 | 2010-04-03 | Protection device for pressure inside high-speed railway vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582642A (en) * | 2012-02-23 | 2012-07-18 | 同济大学 | Independent fresh air device used for urban railway transportation train |
| CN102707631A (en) * | 2012-06-07 | 2012-10-03 | 西南交通大学 | Simulation method for air pressure fluctuation and human ear comfort |
| CN102897177A (en) * | 2012-10-22 | 2013-01-30 | 唐山轨道客车有限责任公司 | Head of anti-drag motor train unit |
| CN103419797A (en) * | 2012-05-24 | 2013-12-04 | 中国北车集团大同电力机车有限责任公司 | Control device and method for micro-positive pressure of machinery chamber of locomotive |
| CN103661436A (en) * | 2013-12-31 | 2014-03-26 | 南车资阳机车有限公司 | Positive pressure ventilation system of power chamber of diesel locomotive |
| CN105539476A (en) * | 2016-01-19 | 2016-05-04 | 中车青岛四方机车车辆股份有限公司 | Pressure protecting system of rail vehicle and pressure protecting method |
| CN107945461A (en) * | 2017-10-31 | 2018-04-20 | 上海船舶运输科学研究所 | A kind of safety detecting alarm system of chemical accident relief car |
| CN112856058A (en) * | 2021-01-19 | 2021-05-28 | 中车唐山机车车辆有限公司 | Airtight structure based on whole car gas tightness of EMUs can keep |
-
2010
- 2010-04-03 CN CN2010201495333U patent/CN201646727U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582642A (en) * | 2012-02-23 | 2012-07-18 | 同济大学 | Independent fresh air device used for urban railway transportation train |
| CN103419797A (en) * | 2012-05-24 | 2013-12-04 | 中国北车集团大同电力机车有限责任公司 | Control device and method for micro-positive pressure of machinery chamber of locomotive |
| CN103419797B (en) * | 2012-05-24 | 2015-11-04 | 中国北车集团大同电力机车有限责任公司 | The control setup of micro-positive pressure of machinery chamber of locomotive and method |
| CN102707631A (en) * | 2012-06-07 | 2012-10-03 | 西南交通大学 | Simulation method for air pressure fluctuation and human ear comfort |
| CN102897177A (en) * | 2012-10-22 | 2013-01-30 | 唐山轨道客车有限责任公司 | Head of anti-drag motor train unit |
| CN102897177B (en) * | 2012-10-22 | 2016-02-17 | 唐山轨道客车有限责任公司 | Head of anti-drag motor train unit |
| CN103661436A (en) * | 2013-12-31 | 2014-03-26 | 南车资阳机车有限公司 | Positive pressure ventilation system of power chamber of diesel locomotive |
| CN105539476A (en) * | 2016-01-19 | 2016-05-04 | 中车青岛四方机车车辆股份有限公司 | Pressure protecting system of rail vehicle and pressure protecting method |
| CN107945461A (en) * | 2017-10-31 | 2018-04-20 | 上海船舶运输科学研究所 | A kind of safety detecting alarm system of chemical accident relief car |
| CN112856058A (en) * | 2021-01-19 | 2021-05-28 | 中车唐山机车车辆有限公司 | Airtight structure based on whole car gas tightness of EMUs can keep |
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Legal Events
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |