CN101856975A - Pantograph control device - Google Patents
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- CN101856975A CN101856975A CN 201010165635 CN201010165635A CN101856975A CN 101856975 A CN101856975 A CN 101856975A CN 201010165635 CN201010165635 CN 201010165635 CN 201010165635 A CN201010165635 A CN 201010165635A CN 101856975 A CN101856975 A CN 101856975A
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Abstract
The invention discloses a pantograph control device for controlling ascending and descending of a pantograph by using compressed air from a locomotive. The device comprises an air filter 1, a precise pressure regulating valve 2, an air circulation control unit, a pantograph ascending one-way throttle valve 4, a pantograph descending one-way throttle valve 5, a safety valve 6, an air bag 7, a main control circuit unit 8 and a pressure feedback unit 11; the pressure feedback unit 11 is connected with the air bag 7 and used for acquiring pressure information of the air bag 7 and feeding back the pressure information to the main control circuit unit 8; and the main control circuit unit 8 determines an output control parameter to control the pressure of the air bag 7 according to the outside information acquired by the own port and the pressure information. According to the embodiment of the invention, the pantograph control device can automatically, quickly and precisely regulate the pressure of the air bag 7 according to the information such as lines, climates, vehicles, pressure in the air bag 7 and the like so as to control the contact pressure between pantograph nets and fulfill the purpose of ensuring safe, reliable and high-speed running of the locomotive.
Description
Technical field
The present invention relates to the air operated control field, relate in particular to a kind of pantograph control device that is used for locomotive.
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 invention is to provide 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 objective of the invention is to be 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 obtain the pressure information of air bag 7, and described pressure information is fed back to main control circuit unit 8;
The locomotive speed information that described main control circuit unit 8 is obtained, line conditions information, pantograph condition information, pantograph location information, contact system condition information, climatic information, service direction information, and according to above-mentioned information, and described pressure information is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve 10 of big flow in the airiness control unit, to control the work of the accurate proportional reversing valve 10 of big flow.
2 described airiness control units 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 described big flow is connected, and is in parallel with first electromagnetic valve 3 again; Described 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.
Described main control circuit unit 8 is provided with 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.
Described main control circuit unit 8 also is provided with: 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/or locomotive operation direction interface 89;
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;
Described pantograph condition information interface 85 is used to obtain the pantograph condition information;
Described pantograph location information interface 86 is used to obtain the pantograph location information;
Described contact system condition information interface 87 is used to obtain the contact system condition information;
Described climatic information interface 88 is used to obtain climatic information;
Described locomotive operation direction interface 89 is used to obtain service direction information.
When main control circuit unit 8 is in the normal condition mode of operation, the locomotive speed information that described main control circuit unit 8 is obtained, line conditions information, the pantograph condition information, the pantograph location information, the contact system condition information, climatic information, service direction information, and according to above-mentioned information, and the pressure information that obtained of described pressure feedback unit 11 is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve 10 of big flow in the airiness control unit, controlling the work of the accurate proportional reversing valve 10 of big flow, and then regulate compressed-air actuated pressure in the air bag 7.
When main control circuit unit 8 was in the abnomal condition mode of operation, the pressurized air of accurate voltage regulating valve 2 outputs directly flowed into by first electromagnetic valve 3 and rises bow one-way throttle valve 4, and then the pressurized air of constant pressure is provided for air bag 7.
When compressed-air actuated pressure was excessive in the air bag 7, pressurized air was discharged by safety valve 6 in the described air bag 7.
The mouth of described accurate voltage regulating valve 2 is connected with compression indicator 22, is used for measuring in real time the compressed air pressure value in accurate voltage regulating valve 2 exits; 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.
As seen from the above technical solution provided by the invention, the pantograph control device that the embodiment of the invention 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 according to the circuit in the external world, weather, information such as vehicle are formulated control policy automatically, simultaneously according to described control policy and the definite controlled variable of exporting of pressure information, and control the work of the accurate proportional reversing valve 10 of big flow according to the controlled variable of output, thereby the pressure to air bag 7 carries out automatically, adjusting quickly and accurately, thereby 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 embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, 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 embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
For ease of understanding, the embodiment of the invention is described in detail below in conjunction with accompanying drawing.
As shown in Figure 2, the pantograph control device that the embodiment of the invention provides is mainly used in by control the lifting of pantograph from the pressurized air of locomotive; Compare with existing pantograph control device (as shown in Figure 1), the main control circuit unit 8 that the pantograph control device that the embodiment of the invention provides has increased pressure feedback unit 11 and the pressure information that fed back according to pressure feedback unit 11 and other extraneous informations of obtaining are controlled the airiness control unit, its specific implementation structure is as follows:
This pantograph control device also comprises main control circuit unit 8 and pressure feedback unit 11; Above-mentioned 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 obtain the pressure information of air bag 7, and described pressure information is fed back to main control circuit unit 8; The locomotive speed information that described main control circuit unit 8 is obtained, line conditions information, the pantograph condition information, the pantograph location information, the contact system condition information, climatic information, service direction information, and according to above-mentioned information, and described pressure information is determined the controlled variable (described controlled variable is used for showing the control policy of making according to above-mentioned information to air bag 7) of output, and described controlled variable is exported to the accurate proportional reversing valve 10 of big flow in the airiness control unit, controlling the work of the accurate proportional reversing valve 10 of big flow, thus the gaseous tension in the control air bag 7.
Wherein, above-mentioned 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 above-mentioned big flow is connected, and is in parallel with first electromagnetic valve 3 again; Described 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;
Corresponding main control circuit unit 8 is provided with the first solenoid control interface 81 and the second solenoid control interface 82; The first solenoid control interface 81 can link to each other with the first above-mentioned electromagnetic valve 3, enters the abnomal condition mode of operation so that described first electromagnetic valve 3 is adjusted main control circuit unit 8 by the first solenoid control interface 81; The second solenoid control interface 82 can link to each other with the big accurate proportional reversing valve 10 of flow with the second above-mentioned electromagnetic valve 9, enters the normal condition mode of operation so that second electromagnetic valve 9 is adjusted main control circuit unit 8 by the second solenoid control interface 82.
Particularly, after the operator sent the gas circuit actuation signal, second electromagnetic valve 9 got access to described gas circuit actuation signal, and it is passed to main control circuit unit 8; The first solenoid control interface 81 of main control circuit unit 8 is not charged and the second solenoid control interface 82 is charged, that is to say that first electromagnetic valve 3 keeps normally closed and second electromagnetic valve 9 keeps often opening; At this moment, control main control circuit unit 8 enters normal condition mode of operation (be that main control circuit unit 8 can be according to information such as the accessed locomotive speed information of self set interface, line conditions information, pantograph condition information, pantograph location information, contact system condition information, climatic information, service direction information, 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); If main control circuit unit 8 is in the normal condition mode of operation, the pressurized air of then described accurate voltage regulating valve 2 outputs can flow into by the accurate proportional reversing valve 10 of second electromagnetic valve 9 and big flow and rise bow one-way throttle valve 4; The locomotive speed information that main control circuit unit 8 is obtained, line conditions information, the pantograph condition information, the pantograph location information, the contact system condition information, climatic information, service direction information, and according to above-mentioned information, and the pressure information that obtained of described pressure feedback unit 11 is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve 10 of big flow in the airiness control unit, to control the work of the accurate proportional reversing valve 10 of big flow, and then the size of gaseous tension in the control air bag 7, reach the purpose of regulating pressure between bow net;
After the operator sent the gas circuit actuation signal, first electromagnetic valve 3 got access to described gas circuit actuation signal, and it is passed to main control circuit unit 8; The first solenoid control interface 81 of main control circuit unit 8 is charged and the second solenoid control interface 82 is not charged, that is to say that first electromagnetic valve 3 keeps often opening and second electromagnetic valve 9 keeps normally closed; At this moment, control main control circuit unit 8 enters abnomal condition mode of operation (promptly cause the main control circuit unit 8 can't be according to information such as the accessed extraneous circuit of self set interface, weather, vehicles because of the arbitrary part in main control circuit unit 8, pressure feedback unit 11 or the big accurate proportional reversing valve 10 of flow breaks down, 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); If main control circuit unit 8 is in the abnomal condition mode of operation, the pressurized air of then described accurate voltage regulating valve 2 outputs can flow into by first electromagnetic valve 3 and rise bow one-way throttle valve 4; At this moment, air bag 7 is kept a constant compression force, so that locomotive still can move on;
When compressed-air actuated pressure was excessive in the air bag 7, the bow net contact pressure was excessive; For preventing the excessive damage that causes of contact system lifting amount, this moment can be by the pressurized air in the safety valve 6 discharge air bags 7.
Further, above-mentioned locomotive speed information, line conditions information, pantograph condition information, pantograph location information, contact system condition information, climatic information, service direction information can be obtained by main control circuit unit 8 other set interfaces; For example, described main control circuit unit 8 can also be provided with: 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/or locomotive operation direction interface 89:
Described locomotive speed information interface 83 can be used to obtain locomotive speed information;
Described line conditions information interface 84 can be used to obtain line conditions information (information such as open-wire line, tunnel);
Described pantograph condition information interface 85 can be used to obtain pantograph condition information (information such as pantograph type, specified Static Contact force value);
Described pantograph location information interface 86 can be used to obtain pantograph location information (information such as Dan Gong, bouble-bow, anterior arch, cantle);
Described contact system condition information interface 87 can be used to obtain contact system condition information (information such as contact system type, tension force, span);
Described climatic information interface 88 can be used to obtain climatic information (information such as extraneous wind speed, temperature, humidity);
Described locomotive operation direction interface 89 can be used to obtain service direction information (information such as the operation of pantograph opening, the operation of remaining silent);
Described main control circuit unit 8 can be according at least one in the above-mentioned information, and the pressure information that fed back of described pressure feedback unit 11 is determined the controlled variable of output, and described controlled variable is exported to the airiness control unit, with the work of control air circulation control unit.
Need to prove that the mouth of above-mentioned accurate voltage regulating valve 2 is connected with compression indicator 22, can be used for measuring in real time the compressed air pressure value in accurate voltage regulating valve 2 exits; The exhaust outlet of above-mentioned accurate voltage regulating valve 2 is provided with silencer 21, can be used to reduce the noise that is produced when getting rid of unnecessary air.
For making the purpose, technical solutions and advantages of the present invention clearer,,, the embodiment of the invention is described in further detail in conjunction with respective drawings below by example.
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, above-mentioned 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;
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 obtain the pressure information of air bag 7, and described pressure information is fed back to main control circuit unit 8; The locomotive speed information that described main control circuit unit 8 is obtained, line conditions information, pantograph condition information, pantograph location information, contact system condition information, climatic information, service direction information, and according to above-mentioned information, and described pressure information is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve 10 of big flow in the airiness control unit, controlling the work of the accurate proportional reversing valve 10 of big flow, thus the gaseous tension in the control air bag 7.
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 comprises first electromagnetic valve 3, second electromagnetic valve 9 and the big accurate proportional reversing valve 10 of flow; Described second electromagnetic valve 9 is with after the big accurate proportional reversing valve 10 of 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 is provided with the first solenoid control interface 81 and the second solenoid control interface 82; Also be provided with 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;
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;
The accurate proportional reversing valve 10 of described big flow is used for accurately controlling efficiently compressed-air actuated flow, flow velocity and pressure size, with the force value in the dynamic adjustments 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 second 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, second electromagnetic valve 9 gets access to described gas circuit actuation signal, 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 mode of operation; 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 processing, flow into via second electromagnetic valve 9 that keeps normally open and the accurate proportional reversing valve 10 of big flow then and rise 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/or 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 normal level always.
When main control circuit unit 8, second electromagnetic valve 9, the big accurate proportional reversing valve 10 of flow or pressure feedback unit 11 et out of orders, send the gas circuit actuation signal by the operator, first electromagnetic valve 3 gets access to described gas circuit actuation signal, and it is passed to main control circuit unit 8; The first solenoid control interface 81 of main control circuit unit 8 is charged, and promptly first electromagnetic valve 3 keeps often opening, and main control circuit unit 8 enters the non-normal working pattern; 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 can provide a static bow net of approximate unmodified to press power indirectly to air bag, to ensure that locomotive still can continue to travel under the situation that control system breaks down as a kind of emergency plan.
When the bow net contact pressure was excessive, the compressed air pressure in the air bag 7 was excessive, and can discharge pressurized air in the air bags 7 this moment by safety valve 6, the damage that causes to prevent that contact system lifting amount is excessive.
The realization of the embodiment of the invention 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; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
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 obtain the pressure information of air bag (7), and described pressure information is fed back to main control circuit unit (8);
The locomotive speed information that described main control circuit unit (8) is obtained, line conditions information, pantograph condition information, pantograph location information, contact system condition information, climatic information, service direction information, and according to above-mentioned information, and described pressure information is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve of big flow (10) in the airiness control unit, to control the work of the accurate proportional reversing valve of big flow (10).
2. pantograph control device according to claim 1 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 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.
3. pantograph control device according to claim 2 is characterized in that, described main control circuit unit (8) is provided with 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.
4. according to claim 1,2 or 3 described pantograph control devices, it is characterized in that described main control circuit unit (8) also is provided with: 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/or locomotive operation direction interface (89);
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;
Described pantograph condition information interface (85) is used to obtain the pantograph condition information;
Described pantograph location information interface (86) is used to obtain the pantograph location information;
Described contact system condition information interface (87) is used to obtain the contact system condition information;
Described climatic information interface (88) is used to obtain climatic information;
Described locomotive operation direction interface (89) is used to obtain service direction information.
5. according to claim 1,2 or 3 described pantograph control devices, it is characterized in that,
When main control circuit unit (8) is in the normal condition mode of operation, the locomotive speed information that described main control circuit unit (8) is obtained, line conditions information, the pantograph condition information, the pantograph location information, the contact system condition information, climatic information, service direction information, and according to above-mentioned information, and the pressure information that obtained of described pressure feedback unit (11) is determined the controlled variable of output, and described controlled variable is exported to the accurate proportional reversing valve of big flow (10) in the airiness control unit, controlling the work of the accurate proportional reversing valve of big flow (10), and then regulate compressed-air actuated pressure in the air bag (7).
6. according to claim 1,2 or 3 described pantograph control devices, it is characterized in that,
When main control circuit unit (8) was in the abnomal condition mode of operation, the pressurized air of accurate voltage regulating valve (2) output directly flowed into by first electromagnetic valve (3) and rises bow one-way throttle valve (4), and then the pressurized air of constant pressure is provided for air bag (7).
7. according to claim 1,2 or 3 described pantograph control devices, it is characterized in that,
When compressed-air actuated pressure was excessive in the air bag (7), pressurized air was discharged by safety valve (6) in the described air bag (7).
8. according to claim 1,2 or 3 described pantograph control devices, it is characterized in that the mouth of described accurate voltage regulating valve (2) is connected with compression indicator (22), be used for measuring in real time the compressed air pressure value in accurate voltage regulating valve 2 exits; 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.
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| CN2010101656359A CN101856975B (en) | 2010-04-30 | 2010-04-30 | Pantograph control device |
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| CN2010101656359A CN101856975B (en) | 2010-04-30 | 2010-04-30 | Pantograph control device |
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| CN101856975B CN101856975B (en) | 2012-05-02 |
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Cited By (13)
| 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 |
| CN103528624A (en) * | 2013-10-18 | 2014-01-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Optical fiber type comprehensive on-line real-time pantograph detection and control system |
| CN105652111A (en) * | 2015-12-23 | 2016-06-08 | 中国铁路总公司 | Pantograph dynamic operation performance control method and device |
| CN106379174A (en) * | 2016-09-13 | 2017-02-08 | 中车唐山机车车辆有限公司 | Pantograph control device and railway vehicle |
| 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 |
| CN107415699A (en) * | 2017-07-17 | 2017-12-01 | 上海生益自动化科技有限公司 | Horizontal type vehicle-mounted pantograph is used in a kind of electric motor coach charging |
| CN107512178A (en) * | 2017-09-05 | 2017-12-26 | 北京中车赛德铁道电气科技有限公司 | The atmospheric control and control method of a kind of pantograph |
| 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 |
| CN109204001A (en) * | 2018-10-30 | 2019-01-15 | 北京中车赛德铁道电气科技有限公司 | A kind of gasbag-type pantograph closed-loop control device |
| DE102017214111A1 (en) * | 2017-08-11 | 2019-02-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Electropneumatically controlled control of a pantograph |
| CN110509774A (en) * | 2019-08-29 | 2019-11-29 | 中车青岛四方机车车辆股份有限公司 | A kind of pantograph control circuit and train |
| CN114261285A (en) * | 2020-09-25 | 2022-04-01 | 大众汽车股份公司 | Method for controlling a current collector of a road-guided motor vehicle, road-guided motor vehicle and database |
| CN118011891A (en) * | 2023-04-06 | 2024-05-10 | 南京星河世纪信息技术有限公司 | Intelligent monitoring system for high-voltage equipment |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103528624A (en) * | 2013-10-18 | 2014-01-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Optical fiber type comprehensive on-line real-time pantograph detection and control system |
| CN103528624B (en) * | 2013-10-18 | 2016-03-30 | 中国航空工业集团公司北京长城计量测试技术研究所 | The comprehensive on-line real-time measuremen of optical fiber type pantograph and control system |
| CN105652111B (en) * | 2015-12-23 | 2019-03-22 | 中国铁路总公司 | Pantograph dynamic operation Properties Control method and device |
| CN105652111A (en) * | 2015-12-23 | 2016-06-08 | 中国铁路总公司 | Pantograph dynamic operation performance control method and device |
| CN106379174A (en) * | 2016-09-13 | 2017-02-08 | 中车唐山机车车辆有限公司 | Pantograph control device and railway vehicle |
| 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 |
| CN107415699A (en) * | 2017-07-17 | 2017-12-01 | 上海生益自动化科技有限公司 | Horizontal type vehicle-mounted pantograph is used in a kind of electric motor coach charging |
| US11351871B2 (en) | 2017-08-11 | 2022-06-07 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Electropneumatically regulated control of a current collector |
| DE102017214111A1 (en) * | 2017-08-11 | 2019-02-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Electropneumatically controlled control of a pantograph |
| CN107512178A (en) * | 2017-09-05 | 2017-12-26 | 北京中车赛德铁道电气科技有限公司 | The atmospheric control and control method of a kind of pantograph |
| 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 |
| CN109204001A (en) * | 2018-10-30 | 2019-01-15 | 北京中车赛德铁道电气科技有限公司 | A kind of gasbag-type pantograph closed-loop control device |
| CN110509774A (en) * | 2019-08-29 | 2019-11-29 | 中车青岛四方机车车辆股份有限公司 | A kind of pantograph control circuit and train |
| CN110509774B (en) * | 2019-08-29 | 2021-07-23 | 中车青岛四方机车车辆股份有限公司 | Pantograph control circuit and train |
| CN114261285A (en) * | 2020-09-25 | 2022-04-01 | 大众汽车股份公司 | Method for controlling a current collector of a road-guided motor vehicle, road-guided motor vehicle and database |
| CN118011891A (en) * | 2023-04-06 | 2024-05-10 | 南京星河世纪信息技术有限公司 | Intelligent monitoring system for high-voltage equipment |
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