CN201677756U - Pantograph control device - Google Patents
Pantograph control device Download PDFInfo
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- CN201677756U CN201677756U CN2010201834915U CN201020183491U CN201677756U CN 201677756 U CN201677756 U CN 201677756U CN 2010201834915 U CN2010201834915 U CN 2010201834915U CN 201020183491 U CN201020183491 U CN 201020183491U CN 201677756 U CN201677756 U CN 201677756U
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Abstract
The utility model discloses a pantograph control device for controlling lifting and descending of a pantograph by utilizing compressed air from a locomotive, which comprises an air filter 1, a precision pressure regulating valve 2, an air circulation control unit, a pantograph lifting one-way throttle valve 4, a pantograph descending one-way throttle valve 5, a safety valve 6, an air bag 7, a master control circuit unit 8 and a pressure feedback unit 11, wherein the pressure feedback unit 11 is connected with the air bag 7 for measuring pressure of the air bag 7 and outputting a pressure signal to the master control circuit unit 8; and the master control circuit unit 8 controls the pressure of the air bag 7 according to outside information and the pressure signal which are acquired by a port arranged thereon. The implementation of the embodiment of the utility model enables the pantograph control device to automatically, rapidly and accurately regulate the pressure of the air bag 7 according to information such as route, climate, pressure in a vehicle and the air bag 7 and the like so as to control contact pressure between pantograph nets and fulfill the aim of guaranteeing the locomotive to run at high speed safely and reliably.
Description
Technical field
The utility model relates to the air operated control field, relates in particular to a kind of locomotive pantograph control device.
Background technology
Electric locomotive (comprises the Electric power car, electric power train and the motor train unit that adopt the air sac pantograph to drive, locomotive is electric locomotive described in the file of the present invention, promptly include Electric power car, electric power train and motor train unit) as a kind of main transport facility, in people's productive life, bringing into play enormous function.Its needed electric energy in operational process mainly is to obtain from contact system by the pantograph at locomotive top; Therefore if will guarantee the normal operation of locomotive, can obtain reliable and stable and continual electric energy from contact system with regard to guaranteeing pantograph.In the real-world operation of locomotive, the variation of pressure directly influences obtaining of electric energy between pantograph and the contact system; Contact pressure when between bow net hour, contact resistance is bigger, the energy of consumption is more, the bow net contact surface can produce more heat energy, therefore causes the burn of bow net contact surface easily; More seriously, may cause pantograph and contact system to break away from, cause locomotive normally to move.When the contact pressure between bow net was big, pantograph can cause the local elevation of contact system the abrasion of pantograph collector head slide plate and contact system increase, and then reduce the service life of electricity bow bow slide plate and contact system, when serious, causes accident between pantograph easily.
Pantograph is regulated contact pressure between bow net by pantograph control device, thereby makes pantograph can not impact contact system in the rise process, can not impact roof in falling process.As shown in Figure 1, existing pantograph control device mostly is air operated control, mainly be the lifting that is used to control from the pressurized air of locomotive pantograph, its keystone configuration comprises: airfilter 1, accurate voltage regulating valve 2, airiness control unit, liter bend one-way throttle valve 4, fall bow one-way throttle valve 5, safety valve 6 and air bag 7; Described airfilter 1 receives from the pressurized air of locomotive and carries out filtration drying and handle, and outputs it to accurate voltage regulating valve 2 then; 2 pairs of described pressurized airs of described accurate voltage regulating valve are exported it by the airiness control unit after carrying out the pressure regulation processing; The pressurized air sequential flow of exporting from the airiness control unit is after rising bow one-way throttle valve 4, falling bow one-way throttle valve 5 and safety valve 6, and compression enters air bag 7.Wherein, the mouth of described accurate voltage regulating valve 2 is connected with compression indicator 22, is used to measure the force value that accurate voltage regulating valve 2 flows out air; The exhaust outlet of described accurate voltage regulating valve 2 is provided with silencer 21, is used to reduce the noise that is produced when getting rid of unnecessary air.In the prior art, above-mentioned airiness control unit is first electromagnetic valve 3, is used to control the airiness of described pantograph control device.The pantograph control device of said structure mainly rises bow one-way throttle valve 4 by adjusting or falls bow one-way throttle valve 5 and guarantee that bow net presses power indirectly and the lifting bow time is satisfied the requirement of stipulating, and then make pantograph in the rise process, can not impact contact system, in falling process, can not impact roof.
In the technique scheme, there are the following problems at least:
When the locomotive high-speed cruising, have only the contact pressure between suitable raising bow net, and promote and to be subjected to the fluidity energy, could guarantee the energy that the locomotive high-speed operation is required; And existing pantograph control device can not change contact pressure automatically with the raising of the speed of a motor vehicle, must adjust passively by other professional equipments.
Summary of the invention
The purpose of this utility model provides a kind of pantograph control device, so that locomotive can be regulated the contact pressure between bow net automatically, quickly and accurately along with the variation of the speed of a motor vehicle, thereby reduce resource loss, improve being subjected to the fluidity energy, ensure motorcycle safety, reliable, high-speed cruising.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pantograph control device comprises airfilter 1, accurate voltage regulating valve 2, airiness control unit, rises bow one-way throttle valve 4, falls bow one-way throttle valve 5, safety valve 6 and air bag 7, also comprises: main control circuit unit 8 and pressure feedback unit 11; Described airiness control unit comprises the accurate proportional reversing valve 10 of big flow, and the input end of the accurate proportional reversing valve 10 of described big flow links to each other with the output control terminal of main control circuit unit 8;
Described pressure feedback unit 11 is connected with air bag 7, is used to measure the pressure of air bag 7, and the delivery pressure signal is given main control circuit unit 8; The work of the accurate proportional reversing valve 10 of the described main control circuit unit 8 big flows of control.
Described main control circuit unit 8 comprises:
Be used to obtain the locomotive speed information interface 83 of locomotive speed information; Be used to obtain the line conditions information interface 84 of line conditions information; Be used to obtain the electric arciform condition information interface 85 of pantograph condition information; Be used to obtain the pantograph location information interface 86 of pantograph location information; Be used to obtain the contact system condition information interface 87 of contact system condition information; Be used to obtain the climatic information interface 88 of climatic information; Be used to obtain the locomotive operation direction interface 89 of service direction information.
Described airiness control unit also comprises first electromagnetic valve 3 and second electromagnetic valve 9; Described second electromagnetic valve 9 is with after the accurate proportional reversing valve 10 of described big flow is connected, and is in parallel with first electromagnetic valve 3 again; Described sys node connects the accurate voltage regulating valve 2 of front end and the liter bow one-way throttle valve 4 of rear end respectively.
Described main control circuit unit 8 comprises the first solenoid control interface 81 and the second solenoid control interface 82;
The described first solenoid control interface 81 links to each other with first electromagnetic valve 3, and described first electromagnetic valve 3 is adjusted main control circuit unit 8 by the first solenoid control interface 81 and entered the abnomal condition mode of operation;
The described second solenoid control interface 82 links to each other with second electromagnetic valve 9, and described second electromagnetic valve 9 is adjusted main control circuit unit 8 by the second solenoid control interface 82 and entered the normal condition mode of operation.
The mouth of described accurate voltage regulating valve 2 is connected with compression indicator 22; The exhaust outlet of described accurate voltage regulating valve 2 is provided with silencer 21.
The technical scheme that provides by above-mentioned the utility model as can be seen, the pantograph control device that the utility model embodiment provides obtains the pressure information of air bag 7 by pressure feedback unit 11, and described pressure information is fed back to main control circuit unit 8; Described main control circuit unit 8 is by carrying out Treatment Analysis to described pressure information, again according to extraneous circuit, weather, information such as vehicle are formulated control policy automatically the pressure of air bag 7 are carried out automatically, regulate quickly and accurately, thus the contact pressure between the control bow net; And when accurately the unit of adjustment pressure goes wrong, can also control, thereby reach the purpose that ensures motorcycle safety, reliable, high-speed cruising according to existing pantograph control device.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of existing pantograph control device;
The structural representation of the pantograph control device that Fig. 2 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
As shown in Figure 2, a kind of pantograph control device, be used for by control the lifting of pantograph from the pressurized air of locomotive, its specific implementation structure comprises: airfilter 1, accurate voltage regulating valve 2, airiness control unit, liter bend one-way throttle valve 4, fall bow one-way throttle valve 5, safety valve 6, air bag 7, main control circuit unit 8 and pressure feedback unit 11; Wherein, corresponding airiness control unit comprises the accurate proportional reversing valve 10 of big flow;
Its concrete connection mode is as follows: described airfilter 1 receives from the pressurized air of locomotive and carries out filtration drying and handle, and outputs it to accurate voltage regulating valve 2 then; 2 pairs of described pressurized airs of described accurate voltage regulating valve are exported it by the airiness control unit after carrying out the pressure regulation processing; The pressurized air sequential flow of exporting from the airiness control unit is after rising bow one-way throttle valve 4, falling bow one-way throttle valve 5 and safety valve 6, and compression enters air bag 7; Described pressure feedback unit 11 is connected with air bag 7, is used to measure the pressure of air bag 7, and the delivery pressure signal is given main control circuit unit 8; The input end of the accurate proportional reversing valve 10 of described big flow links to each other with the output control terminal of main control circuit unit 8; Main control circuit unit 8 is according to information such as the accessed extraneous circuit of self set interface, weather, vehicles, and described pressure signal determines the corresponding controlled variable of output and outputs it to the accurate proportional reversing valve 10 of the big flow of adjusting of airiness control unit, thereby controls the work of air bag 7 by regulating the accurate proportional reversing valve 10 of big flow.
Wherein, the exhaust outlet of corresponding accurate voltage regulating valve 2 is provided with silencer 21, and the mouth of corresponding accurate voltage regulating valve 2 is connected with compression indicator 22;
Wherein, corresponding airiness control unit can also comprise first electromagnetic valve 3 and second electromagnetic valve 9; Described second electromagnetic valve 9 is with after the accurate proportional reversing valve 10 of above-mentioned big flow is connected, and is in parallel with first electromagnetic valve 3 again; Corresponding sys node links to each other with the accurate voltage regulating valve 2 of front end and the liter bow one-way throttle valve 4 of rear end respectively;
Wherein, corresponding main control circuit unit 8 can be provided with the first solenoid control interface 81, second solenoid control interface 82 and the delivery port; Can also comprise locomotive speed information interface 83, line conditions information interface 84, pantograph condition information interface 85, pantograph location information interface 86, contact system condition information interface 87, climatic information interface 88 and locomotive operation direction interface 89.
Particularly, the concrete effect of each parts of above-mentioned composition pantograph control device is as follows:
Described airfilter 1 is used for from the pressurized air of locomotive and carry out filtration drying and handle;
Described accurate voltage regulating valve 2 is used for that described pressurized air is carried out accurate voltage regulating to be handled;
The silencer 21 of described accurate voltage regulating valve 2 is used to reduce the noise that is produced when getting rid of unnecessary air;
The compression indicator 22 of described accurate voltage regulating valve 2 is used for measuring in real time the compressed air pressure value in accurate voltage regulating valve 2 exits;
Described first electromagnetic valve 3 is used to control whether described pressurized air can pass at the branch road upper reaches of first electromagnetic valve 3 and adjust main control circuit unit 8 according to operator's signal enters the non-normal working pattern (promptly because of main control circuit unit 8, arbitrary part in pressure feedback unit 11 or the big accurate proportional reversing valve 10 of flow breaks down and causes the main control circuit unit 8 can't be according to the accessed extraneous circuit of self set interface, weather, information such as vehicle, and the mode of operation of the pressure information that fed back of pressure feedback unit 11 when controlling accurate proportional reversing valve 10 work of big flow);
Described second electromagnetic valve 9 is used to control whether described pressurized air can pass at the branch road upper reaches of second electromagnetic valve 9 and adjust main control circuit unit 8 according to operator's signal enters normal mode of operation (be that main control circuit unit 8 can be according to information such as the accessed extraneous circuit of self set interface, weather, vehicles, and the mode of operation of the pressure information that fed back of pressure feedback unit 11 when controlling accurate proportional reversing valve 10 work of big flow);
It is powerful little that the accurate proportional reversing valve 10 of described big flow is used for accurately controlling compressed-air actuated flow, flow velocity and urine efficiently, to regulate the force value in the air bag 7;
Described liter bow one-way throttle valve 4 is used to regulate the flow velocity that pressurized air flows into air bag 7;
The described bow one-way throttle valve 5 that falls is used for regulating the flow velocity that pressurized air flows out from air bag 7;
Described safety valve 6 is used for when the bow net contact pressure is excessive getting rid of the pressurized air of air bag 7, the damage that causes to prevent that contact system lifting amount is excessive;
Described air bag 7 is used to control lifting, adjusting lifting speed and the lifting angle of pantograph;
Described pressure feedback unit 11 is used to measure the pressure information of air bag 7, and the pressure information of measuring is fed back to main control circuit unit 8;
Described main control circuit unit 8 is used for the pressure information that fed back according to pressure feedback unit 11, and the corresponding information that obtained of the locomotive speed information interface 83 of main control circuit unit 8, line conditions information interface 84, pantograph condition information interface 85, pantograph location information interface 86, contact system condition information interface 87, climatic information interface 88 and locomotive operation direction interface 89 is controlled the work of the accurate proportional reversing valve 10 of big flow;
The delivery port of described main control circuit unit 8 links to each other with the accurate proportional reversing valve 10 of big flow, is used to control the work of the accurate proportional reversing valve 10 of big flow;
The described first solenoid control interface 81 is connected with first electromagnetic valve 3, is used to obtain the indicated signal of operator, and described signal is used to control the break-make of first electromagnetic valve 3 and adjusts main control circuit unit 8 and enters the abnomal condition mode of operation;
The described second solenoid control interface 82 is connected with first electromagnetic valve 9, is used to obtain the indicated signal of operator, and described signal is used to control the break-make of second electromagnetic valve 9 and adjusts main control circuit unit 8 and enters the normal condition mode of operation;
Described locomotive speed information interface 83 is used to obtain locomotive speed information;
Described line conditions information interface 84 is used to obtain line conditions information (information such as open-wire line, tunnel);
Described pantograph condition information interface 85 is used to obtain pantograph condition information (information such as pantograph type, specified Static Contact force value);
Described pantograph location information interface 86 is used to obtain pantograph location information (information such as Dan Gong, bouble-bow, anterior arch, cantle);
Described contact system condition information interface 87 is used to obtain contact system condition information (information such as contact system type, tension force, span);
Described climatic information interface 88 is used to obtain climatic information (information such as extraneous wind speed, temperature, humidity);
Described locomotive operation direction interface 89 is used to obtain service direction information (information such as the operation of pantograph opening, the operation of remaining silent).
Further, the principle of work of this pantograph control device is as follows:
Under the normal operation, send the gas circuit actuation signal by the operator, first electromagnetic valve 3 obtains described gas circuit and starts, and it is passed to main control circuit unit 8; Main control circuit unit 8 is charged according to the received signal control second solenoid control interface 82, even second electromagnetic valve 9 keeps often opening, main control circuit unit 8 enters normal working; Correspondingly, it is not charged that main control circuit unit 8 is controlled the first solenoid control interface 81 simultaneously, even first electromagnetic valve 3 keeps normally closed; By after the filtration and drying of airfilter 1, flow into accurate voltage regulating valve 2 from the pressurized air of locomotive; Corresponding 2 pairs of described pressurized airs of accurate voltage regulating valve are carried out accurate pressure regulation and are handled, then via second electromagnetic valve 9 that keeps normally open, and the accurate proportional reversing valve 10 of the big flow of control compressed air require, flow velocity and pressure flows into and rises bow one-way throttle valve 4; The corresponding 4 pairs of described velocity of compressed air of bow one-way throttle valve that rise are controlled, with the ascending velocity of control pantograph; At last, described pressurized air enters air bag 7 via falling 6 compressions of bow one-way throttle valve 5 and safety valve; The pressure feedback unit 11 that links to each other with air bag 7 is measured the pressure information of air bag 7, and the pressure information of measuring is fed back to main control circuit unit 8; The pressure information that main control circuit unit 8 is fed back according to pressure feedback unit 11, and the locomotive speed information interface 83 of main control circuit unit 8, line conditions information interface 84, pantograph condition information interface 85, pantograph location information interface 86, contact system condition information interface 87, the corresponding information that climatic information interface 88 and locomotive operation direction interface 89 are obtained is determined the control corresponding parameter, and described controlled variable is transferred to the accurate proportional reversing valve 10 of big flow, with accurately, control the charge air and the air leakage amount of air bag 7 apace, thereby make the contact pressure between bow net keep reasonable levels always.
When in main control circuit unit 8, the big accurate proportional reversing valve 10 of flow or the pressure feedback unit 11 during arbitrary et out of order, the first solenoid control interface 81 is charged, and promptly first electromagnetic valve 3 keeps often opening, and main control circuit unit 8 enters abnormal operating state; Correspondingly, the second solenoid control interface 82 is not charged, and promptly second electromagnetic valve 9 keeps normally closed; By after the filtration and drying of airfilter 1, flow into accurate voltage regulating valve 2 from the pressurized air of locomotive; Corresponding 2 pairs of described pressurized airs of accurate voltage regulating valve are carried out accurate pressure regulation processing, flow into via first electromagnetic valve 3 that keeps normally open then and rise bow one-way throttle valve 4; The corresponding 4 pairs of velocity of compressed air that flow into air bag 7 of bow one-way throttle valve that rise are controlled, with the ascending velocity of control pantograph; At last, described pressurized air enters air bag 7 via falling 6 compressions of bow one-way throttle valve 5 and safety valve.This kind situation is as a kind of emergency plan, can provide a static bow net of approximate unmodified to press power indirectly to air bag, still can continue to travel under the situation that the system of accuracy control gasbag pressure breaks down to ensure locomotive.
The realization of the utility model embodiment makes the pantograph control device can be according to the pressure information of air bag 7 inflow points, and described locomotive operation condition information, comes to regulate automatically, quickly and accurately the pressure of air bag 7, and then the contact pressure between the control bow net; And when accurately the unit of adjustment pressure goes wrong, can also control, thereby reach the purpose that ensures motorcycle safety, reliable, high-speed cruising according to existing pantograph control device.
The above; it only is the preferable specific embodiment of the utility model; 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 variation that can expect easily or replacement all should be encompassed within the 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 (5)
1. pantograph control device, comprise airfilter (1), accurate voltage regulating valve (2), airiness control unit, rise bow one-way throttle valve (4), fall bow one-way throttle valve (5), safety valve (6) and air bag (7), it is characterized in that, also comprise: main control circuit unit (8) and pressure feedback unit (11); Described airiness control unit comprises the accurate proportional reversing valve of big flow (10), and the input end of the accurate proportional reversing valve of described big flow (10) links to each other with the output control terminal of main control circuit unit (8);
Described pressure feedback unit (11) is connected with air bag (7), is used to measure the pressure of air bag (7), and the delivery pressure signal is given main control circuit unit (8); The work of described main control circuit unit (8) the control accurate proportional reversing valve of big flow (10).
2. pantograph control device according to claim 1 is characterized in that, described main control circuit unit (8) comprising:
Be used to obtain the locomotive speed information interface (83) of locomotive speed information; Be used to obtain the line conditions information interface (84) of line conditions information; Be used to obtain the electric arciform condition information interface (85) of pantograph condition information; Be used to obtain the pantograph location information interface (86) of pantograph location information; Be used to obtain the contact system condition information interface (87) of contact system condition information; Be used to obtain the climatic information interface (88) of climatic information; Be used to obtain the locomotive operation direction interface (89) of service direction information.
3. pantograph control device according to claim 1 and 2 is characterized in that, described airiness control unit also comprises first electromagnetic valve (3) and second electromagnetic valve (9); Described second electromagnetic valve (9) is with after the accurate proportional reversing valve of described big flow (10) is connected, and is in parallel with first electromagnetic valve (3) again; Described sys node connects the accurate voltage regulating valve (2) of front end and the liter bow one-way throttle valve (4) of rear end respectively.
4. pantograph control device according to claim 3 is characterized in that, described main control circuit unit (8) comprises the first solenoid control interface (81) and the second solenoid control interface (82);
The described first solenoid control interface (81) links to each other with first electromagnetic valve (3), and described first electromagnetic valve (3) is adjusted main control circuit unit (8) by the first solenoid control interface (81) and entered the abnomal condition mode of operation;
The described second solenoid control interface (82) links to each other with second electromagnetic valve (9), and described second electromagnetic valve (9) is adjusted main control circuit unit (8) by the second solenoid control interface (82) and entered the normal condition mode of operation.
5. pantograph control device according to claim 1 and 2 is characterized in that, the mouth of described accurate voltage regulating valve (2) is connected with compression indicator (22); The exhaust outlet of described accurate voltage regulating valve (2) is provided with silencer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201834915U CN201677756U (en) | 2010-04-30 | 2010-04-30 | Pantograph control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201834915U CN201677756U (en) | 2010-04-30 | 2010-04-30 | Pantograph control device |
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| Publication Number | Publication Date |
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| CN201677756U true CN201677756U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201834915U Expired - Lifetime CN201677756U (en) | 2010-04-30 | 2010-04-30 | Pantograph control device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756657A (en) * | 2012-07-10 | 2012-10-31 | 长春轨道客车股份有限公司 | Pantograph-ascending control plate for urban railway vehicle |
| CN104590032A (en) * | 2014-11-28 | 2015-05-06 | 南车株洲电力机车有限公司 | Electric locomotive and controlling device and method for pantograph type current collector |
| CN105818694A (en) * | 2016-03-17 | 2016-08-03 | 中车株洲电力机车有限公司 | Self-adaptive adjusting method, device and system for bow-net contact pressure |
| CN106427593A (en) * | 2016-09-30 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail traffic vehicle and adjusting method and system of bow-net contact pressure of rail traffic vehicle |
| CN108556636A (en) * | 2018-06-29 | 2018-09-21 | 成都西交金测智能科技有限公司 | A kind of pantograph closed-loop control system |
| CN113442730A (en) * | 2021-08-31 | 2021-09-28 | 成都永贵东洋轨道交通装备有限公司 | Pantograph pneumatic control system capable of automatically lowering pantograph and control method thereof |
| EP4122746A1 (en) * | 2021-07-20 | 2023-01-25 | Siemens Mobility GmbH | Current collector for an electric or hybrid road vehicle |
-
2010
- 2010-04-30 CN CN2010201834915U patent/CN201677756U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756657A (en) * | 2012-07-10 | 2012-10-31 | 长春轨道客车股份有限公司 | Pantograph-ascending control plate for urban railway vehicle |
| CN104590032A (en) * | 2014-11-28 | 2015-05-06 | 南车株洲电力机车有限公司 | Electric locomotive and controlling device and method for pantograph type current collector |
| CN105818694A (en) * | 2016-03-17 | 2016-08-03 | 中车株洲电力机车有限公司 | Self-adaptive adjusting method, device and system for bow-net contact pressure |
| CN106427593A (en) * | 2016-09-30 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail traffic vehicle and adjusting method and system of bow-net contact pressure of rail traffic vehicle |
| WO2018058795A1 (en) * | 2016-09-30 | 2018-04-05 | 中车株洲电力机车有限公司 | Rail transit vehicle and method and system for adjusting pantograph-catenary contact pressure of rail transit vehicle |
| CN108556636A (en) * | 2018-06-29 | 2018-09-21 | 成都西交金测智能科技有限公司 | A kind of pantograph closed-loop control system |
| CN108556636B (en) * | 2018-06-29 | 2024-01-26 | 成都西交金测智能科技有限公司 | Pantograph closed-loop control system |
| EP4122746A1 (en) * | 2021-07-20 | 2023-01-25 | Siemens Mobility GmbH | Current collector for an electric or hybrid road vehicle |
| CN113442730A (en) * | 2021-08-31 | 2021-09-28 | 成都永贵东洋轨道交通装备有限公司 | Pantograph pneumatic control system capable of automatically lowering pantograph and control method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20101222 |