CN205220392U - Pantograph control device - Google Patents
Pantograph control device Download PDFInfo
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- CN205220392U CN205220392U CN201521031483.8U CN201521031483U CN205220392U CN 205220392 U CN205220392 U CN 205220392U CN 201521031483 U CN201521031483 U CN 201521031483U CN 205220392 U CN205220392 U CN 205220392U
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- pantograph
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- regulating valve
- fall
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Abstract
The utility model discloses a pantograph control device for the lift of control electric propulsion rolling stock's pantograph, control switching -over valve (6), fall bow choke valve (7) and fall bow overflow valve (8) including air cleaner (1), liter bow choke valve (2), air -vent valve (3), two -position three way gas, air cleaner (1) air inlet connects to electric propulsion rolling stock's air supply through the pipeline, and the air inlet P of two -position three way gas accuse switching -over valve (6) is connected to air cleaner (1), rise bow choke valve (2) and establish ties in proper order with air -vent valve (3), the gas outlet of air -vent valve (3), and the accuse of two -position three way gas commutates the gas outlet A of valve (6) receives the control gasbag of pantograph through the pipeline, the gas vent R of switching -over valve (6) is controlled to the air inlet parallel connection two -position three way gas that falls bow choke valve (7) and fall bow overflow valve (8). Can realize falling the fast slow conversion in back earlier of bow speed, take into account the pantograph and fast from the requirement of netting with slowly fall two aspects, can leave the contact net fast, avoid drawing the arc, and then slowly fall, reduce to assault, guarantee not lead to the fact the loss to the pantograph bow.
Description
Technical field
This patent relates to Pneumatic Control Technology field, especially relates to a kind of pantograph control device.
Background technology
Electrically-driven car vehicle can use pneumatic pantograph, and pantograph needs quick from net with slowly fall when falling bow, to reduce arcing and impact, needs the compressed-air actuated exhaust velocity of the air bag by controlling pantograph to realize.Existing pantograph gas exhaust inspecting scheme is realized by a flow regulating valve, by the speed regulating the aperture of flow regulating valve to control exhaust, exhaust velocity substantially constant, cannot realize falling the conversion first quick and back slow of bow speed, is difficult to take into account pantograph fast from net and the requirement slowly falling two aspects.Throttle valve opening is large, falls bow speed soon, easily causes detrimental impact to pantograph; Throttle valve opening is too small, falls bow speed slowly, is unfavorable for bow fast from net, easy arcing.
Summary of the invention
The purpose of this utility model is to provide a kind of pantograph control device, can realize falling the conversion first quick and back slow of bow speed, takes into account pantograph fast from net and the requirement slowly falling two aspects, can leave contact system fast, avoid arcing; And then slowly fall, reduce to impact, guarantee not cause damage to pantograph collector head.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pantograph control device, for controlling the lifting of the pantograph of electrically-driven car vehicle, comprising airfilter 1, rising bow flow regulating valve 2, pressure regulating valve 3, two-position three way Pneumatic reversal valve 6, falling bow flow regulating valve 7 and falling and bending by pass valve 8;
Described airfilter 1 admission port is connected to the source of the gas of electrically-driven car vehicle by pipeline, airfilter 1, rising bow flow regulating valve 2 and pressure regulating valve 3 are connected successively, the air extractor duct of pressure regulating valve 3 connects the admission port P of two-position three way Pneumatic reversal valve 6, and the air extractor duct A of two-position three way Pneumatic reversal valve 6 receives the control air bag of pantograph by pipeline; Fall bow flow regulating valve 7 and fall the exhausr port R that the admission port bending by pass valve 8 is connected in parallel two-position three way Pneumatic reversal valve 6.
Described pantograph control device, also comprises safety overflow valve 5, and the admission port of described safety overflow valve 5 is connected to pressure regulating valve 3 with on the connecting line of the admission port P of two-position three way Pneumatic reversal valve 6.
Described pantograph control device, also comprises compression indicator 4, and described compression indicator 4 is connected to and is arranged on pressure regulating valve 3 or in pressure regulating valve 3 outlet side gas circuit.
The technical scheme provided as can be seen from above-mentioned the utility model, the pantograph control device that the utility model embodiment provides, can realize falling the conversion first quick and back slow of bow speed, takes into account pantograph fast from net and the requirement slowly falling two aspects, contact system can be left fast, avoid arcing; And then slowly fall, reduce to impact, guarantee not cause damage to pantograph collector head.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The rising bow schematic diagram of gas circuit of the pantograph control device that Fig. 1 provides for the utility model embodiment;
Schematic diagram of gas circuit in early stage is bent in falling of the pantograph control device that Fig. 2 provides for the utility model embodiment;
Later stage schematic diagram of gas circuit is bent in falling of the pantograph control device that Fig. 3 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
Separately it should be noted that description orientation mentioned herein " on ", D score, "left", "right", " front, " afterwards " does not all refer in particular to this orientation except specified otherwise; just for convenience, and placement direction its description different of described product is also not quite similar.Those of ordinary skill in the art, not making intelligible orientation under creative work prerequisite, belong to protection domain of the present utility model.
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of pantograph control device, for controlling the lifting of the pantograph of electrically-driven car vehicle, comprising airfilter 1, rising bow flow regulating valve 2, pressure regulating valve 3, two-position three way Pneumatic reversal valve 6, falling bow flow regulating valve 7 and falling and bending by pass valve 8; Described airfilter 1 admission port is connected to the source of the gas of electrically-driven car vehicle by pipeline, provide pressurized air by source of the gas.Airfilter 1, rising bow flow regulating valve 2 and pressure regulating valve 3 are connected successively, and the air extractor duct of pressure regulating valve 3 connects the admission port P of two-position three way Pneumatic reversal valve 6, and the air extractor duct A of two-position three way Pneumatic reversal valve 6 receives the control air bag of pantograph by pipeline; Fall bow flow regulating valve 7 and fall the exhausr port R that the admission port bending by pass valve 8 is connected in parallel two-position three way Pneumatic reversal valve 6.Rising bow flow regulating valve 2 adopts one-way throttle valve.
In addition, this example is security consideration.Also comprise safety overflow valve 5, the admission port of described safety overflow valve 5 is connected to pressure regulating valve 3 with on the connecting line of the admission port P of two-position three way Pneumatic reversal valve 6.When pressure regulating valve 3 breaks down, when air pressure exceedes the setting pressure of safety overflow valve 5, safety overflow valve 5 opens exhaust, plays protection pantograph and contact system.
In addition, also comprise compression indicator 4, described compression indicator 4 is connected to and is arranged on pressure regulating valve 3 or in pressure regulating valve 3 outlet side gas circuit, is used to indicate the operation pressure of system.
With above-mentioned pantograph control device, concrete control method comprises:
As shown in Figure 1, when needs rising bow, open air control switch, air control switch can be located at the place of operator's convenient operation, is usually located in operator's compartment, and the control mouth to two-position three way Pneumatic reversal valve 6 exports and controls air pressure, two-position three way Pneumatic reversal valve 6 inner spool commutates, admission port P is communicated with air extractor duct A, and source of the gas provides pressurized air successively by airfilter 1, rising bow flow regulating valve 2, pressure regulating valve 3 and the two-position three way Pneumatic reversal valve 6 control airbag aeration to pantograph, and pantograph rises; When pressure regulating valve 3 breaks down in this process, when air pressure exceedes the setting pressure of safety overflow valve 5, safety overflow valve 5 opens exhaust, plays protection pantograph and contact system.
As shown in Figure 2, when bow falls in needs, close air control switch, the control mouth get out of hand air pressure of two-position three way Pneumatic reversal valve 6, two-position three way Pneumatic reversal valve 6 inner spool resets, and air extractor duct A is communicated with exhausr port R; The airline pressure of the control air bag of pantograph exceedes the setting pressure falling bow by pass valve 8, falls bow by pass valve 8 and opens, and falls bow flow regulating valve 7 and fall bow by pass valve 8 to be vented simultaneously, and under gravity, pantograph collector head, rapidly from net, prevents arcing;
As shown in Figure 3, be vented along with falling bow by pass valve 8, in gas circuit pressure rapidly under be less than the setting pressure falling bow by pass valve 8, fall bow by pass valve 8 to close, now pantograph is close to chopper bar position, falls bow flow regulating valve 7 and is vented separately, exhaust velocity slows down, and the slow chopper bar of bow falls in pantograph, effectively avoids pounding top.
When bow exhaust falls in pantograph, fall bow flow regulating valve 7 and be vented all the time.Fall bow by pass valve 8 and first open rear closedown with pressure change in gas circuit, opening time length is relevant with setting pressure size.This needs to fall the setting pressure of bow by pass valve 8 in setting in advance.And can regulating according to actual conditions, until good results.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (3)
1. a pantograph control device, for controlling the lifting of the pantograph of electrically-driven car vehicle, it is characterized in that: comprise airfilter (1), rising bow flow regulating valve (2), pressure regulating valve (3), two-position three way Pneumatic reversal valve (6), fall bow flow regulating valve (7) and fall and bend by pass valve (8);
Described airfilter (1) admission port is connected to the source of the gas of electrically-driven car vehicle by pipeline, airfilter (1), rising bow flow regulating valve (2) and pressure regulating valve (3) are connected successively, the air extractor duct of pressure regulating valve (3) connects the admission port P of two-position three way Pneumatic reversal valve (6), and the air extractor duct A of two-position three way Pneumatic reversal valve (6) receives the control air bag of pantograph by pipeline; Fall bow flow regulating valve (7) and fall the exhausr port R that the admission port bending by pass valve (8) is connected in parallel two-position three way Pneumatic reversal valve (6).
2. pantograph control device according to claim 1, it is characterized in that, also comprise safety overflow valve (5), the admission port of described safety overflow valve (5) is connected to pressure regulating valve (3) with on the connecting line of the admission port P of two-position three way Pneumatic reversal valve (6).
3. pantograph control device according to claim 1 and 2, it is characterized in that, also comprise compression indicator (4), described compression indicator (4) is connected to and is arranged on pressure regulating valve (3) or in pressure regulating valve (3) outlet side gas circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031483.8U CN205220392U (en) | 2015-12-11 | 2015-12-11 | Pantograph control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031483.8U CN205220392U (en) | 2015-12-11 | 2015-12-11 | Pantograph control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220392U true CN205220392U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031483.8U Active CN205220392U (en) | 2015-12-11 | 2015-12-11 | Pantograph control device |
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| CN (1) | CN205220392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416076A (en) * | 2015-12-11 | 2016-03-23 | 北京赛德高科铁道电气科技有限责任公司 | Pantograph control device and method |
| CN111347880A (en) * | 2020-04-09 | 2020-06-30 | 株洲万新轨道电气科技有限公司 | Pantograph lowering control device |
-
2015
- 2015-12-11 CN CN201521031483.8U patent/CN205220392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416076A (en) * | 2015-12-11 | 2016-03-23 | 北京赛德高科铁道电气科技有限责任公司 | Pantograph control device and method |
| CN111347880A (en) * | 2020-04-09 | 2020-06-30 | 株洲万新轨道电气科技有限公司 | Pantograph lowering control device |
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