CN103273919A - Air-electric hybrid brake system and air brake control device thereof - Google Patents
Air-electric hybrid brake system and air brake control device thereof Download PDFInfo
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- CN103273919A CN103273919A CN2013102451862A CN201310245186A CN103273919A CN 103273919 A CN103273919 A CN 103273919A CN 2013102451862 A CN2013102451862 A CN 2013102451862A CN 201310245186 A CN201310245186 A CN 201310245186A CN 103273919 A CN103273919 A CN 103273919A
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Abstract
The invention discloses an air-electric hybrid brake system and an air brake control device thereof. The air brake control device comprises a proportion electromagnet (1), a valve (2) and a valve rod (6), the proportion electromagnet (1) is connected with a controller and used for converting electric signals corresponding to air brake force into displacement signals, the valve (2) is provided with an air inlet cavity (3), an air outlet cavity (4) and an exhaust cavity (5), an air supply valve port (21) is arranged between the air inlet cavity (3) and the air outlet cavity (4), an exhaust valve port (22) is arranged between the air outlet cavity (4) and the exhaust cavity (5), the valve rod (6) penetrates the air inlet cavity (3), the air outlet cavity (4) and the exhaust cavity (5), a first end of the valve rod (6) is connected with the proportion electromagnet (1), and a second end of the valve rod (6) is provided with an air supply valve spool (61) and an exhaust valve spool (62). When pressure is increased, the air supply valve port (21) is opened, and the exhaust valve port (22) is closed. When the pressure is reduced, the air supply valve port (21) is closed, and the exhaust valve port (22) is opened. Therefore, the air brake force is changed along with electric brake force, and the cost is low.
Description
Technical field
The present invention relates to track power engineering driving skills art field, relate in particular to the electric composite braking system of a kind of sky and air brake control setup thereof.
Background technology
For track power engineering car, the abundant use of electric braking is it with respect to one of main advantage of internal combustion shaped engineering truck.Electric braking can be converted to electric energy with the kinetic energy of engineering truck, both can produce the required braking force of bigger deceleration/decel, again can be with the energy recycling in when braking.But factors such as the running velocity of engineering truck directly influence the size of electric braking force again, therefore, replenish braking when needing air brake power.This preferential employing electric braking force, air brake masterpiece are called empty electric composite brakig for the braking mode that replenishes, and the track power engineering car with empty electric composite brakig function is the developing direction of engineering truck, has obtained application more and more widely.
Track power engineering car with empty electric composite brakig function is provided with empty electric composite braking system, and this system comprises electric braking control setup and air brake control setup.At present, under the prior art condition, the air brake control setup adopts the realization of computer processing unit control fast pneumatic valve to the accurate control of air brake usually, air brake power is changed according to the variation of electric braking force at any time, guarantee that total braking force size is unaffected, thereby guarantee the safe in operation of engineering truck.
But, the cost of brak control unit with micro-computer function is very high, and track power engineering car itself is not high to the performance requriements of brake, the brake system that has the brak control unit of micro-computer function as employing can cause the waste of other function of brake system, and, also can increase the car load manufacturing cost, reduce its market competitiveness.
In view of this, demand urgently at above-mentioned technical matters, the air brake control setup of the electric composite braking system of a kind of sky of design that looks for another way can be realized the accurate control to air, has advantage simple in structure, that productive costs is lower again.
Summary of the invention
Purpose of the present invention is for providing the air brake control setup of the electric composite braking system of a kind of sky, variation according to electric braking force when this device can be realized air brake power changes, guarantee that total braking force size is unaffected, and simple in structure, productive costs is lower.
For solving the problems of the technologies described above, the invention provides the air brake control setup of the electric composite braking system of a kind of sky, comprising:
Proportion electro-magnet is connected with the controller of described system, is used for the corresponding electric signal of the difference of required braking force and electric braking force is converted into displacement signal and output;
Valve body is provided with inlet chamber, outlet chamber and discharge chamber, and described inlet chamber is communicated with Air compressor by air inlet pipe, and described outlet chamber is connected with air brake equipment by freeing pipe, and described discharge chamber is communicated with atmosphere by freeing pipe; Be provided with the air feed valve port between described inlet chamber and the described outlet chamber, be provided with exhaust valve port between described outlet chamber and the described discharge chamber;
Valve rod runs through described inlet chamber, outlet chamber and discharge chamber, and first end of described valve rod connects proportion electro-magnet, and second end is provided with air feed spool and exhaust plug;
When required braking force during greater than electric braking force, described proportion electro-magnet output positive-displacement, described air feed spool breaks away from described air feed valve port, the described exhaust valve port of described exhaust plug shutoff; When required braking force during less than electric braking force, described proportion electro-magnet is exported reverse displacement, the described air feed valve port of described air feed spool shutoff, and described exhaust plug breaks away from exhaust valve port.
Preferably, also comprise the pressure feedback chamber, described pressure feedback chamber is communicated with described freeing pipe by the feedback pipe, and described valve rod runs through described pressure feedback chamber, and described pressure feedback top of chamber is connected with described proportion electro-magnet by elastomeric element;
When the pressure in described pressure feedback chamber equals the corresponding thrust of displacement of described proportion electro-magnet, the described air feed valve port of described air feed spool shutoff, the described exhaust valve port of described exhaust plug shutoff.
Preferably, be provided with first elastic plate in the described valve body, the top board of described discharge chamber is second elastic plate, the perisporium of described first elastic plate and second elastic plate is all captiveed joint with described valve interior wall, described valve rod runs through the middle part of described first elastic plate and second elastic plate, and described first elastic plate, second elastic plate and described valve interior wall three surround described pressure feedback chamber.
Preferably, described elastomeric element is spring.
Preferably, described first elastic plate, described second elastic plate are rubber plate.
Preferably, the armature bottom of described proportion electro-magnet is connected with connecting rod and piston, and described elastomeric element is connected in described piston bottom end.
Preferably, described valve body is provided with first air extractor vent at the cavity wall that surrounds with described first elastic plate, described piston three, and described first air extractor vent is communicated with atmosphere.
Preferably, described valve body is being provided with second air extractor vent with the two cavity wall that surrounds of described piston, and described second air extractor vent is communicated with atmosphere.
The invention provides the air brake control setup of the electric composite braking system of a kind of sky, comprising:
Proportion electro-magnet is connected with the controller of system, is used for the corresponding electric signal of the difference of required braking force and electric braking force is converted into displacement signal and output;
Valve body is provided with inlet chamber, outlet chamber and discharge chamber, and inlet chamber is communicated with Air compressor by air inlet pipe, and outlet chamber is connected with air brake equipment by freeing pipe, and discharge chamber is communicated with atmosphere by freeing pipe; Be provided with the air feed valve port between inlet chamber and the outlet chamber, be provided with exhaust valve port between outlet chamber and the discharge chamber;
Valve rod runs through inlet chamber, outlet chamber and discharge chamber, and first end of valve rod connects proportion electro-magnet, and second end is provided with air feed spool and exhaust plug;
When required braking force during greater than electric braking force, proportion electro-magnet output positive-displacement, the air feed spool breaks away from air feed valve port, exhaust plug shutoff exhaust valve port; When required braking force during less than electric braking force, proportion electro-magnet is exported reverse displacement, air feed spool shutoff air feed valve port, and exhaust plug breaks away from exhaust valve port.
When the required braking force of power engineering car greater than electric braking force, when namely needing the air brake masterpiece to brake for replenishing braking force, the analog signals of proportion electro-magnet input increases, proportion electro-magnet converts this electric signal to displacement signal, produce positive-displacement, promote valve rod and move down, make exhaust plug shutoff exhaust valve port, air feed spool break away from the air feed valve port, be that inlet chamber and outlet chamber are communicated with, outlet chamber and discharge chamber are isolated.At this moment, the high pressure air of Air compressor output flows into air brake equipment through air inlet pipe, inlet chamber, outlet chamber and freeing pipe, realizes the supercharging of air brake equipment.
When the required braking force of power engineering car less than electric braking force, when need not the air brake masterpiece and braking for replenishing braking force, the analog signals of proportion electro-magnet input reduces, proportion electro-magnet produces reverse displacement, the drive valve rod moves up, make exhaust plug break away from exhaust valve port, air feed spool shutoff air feed valve port, i.e. inlet chamber and outlet chamber isolation, outlet chamber and discharge chamber are communicated with.At this moment, the air of air brake equipment flows into atmosphere through freeing pipe, outlet chamber, the valve port of giving vent to anger, discharge chamber and freeing pipe, realizes the decompression of air brake equipment.
By above-mentioned working process as can be known, above-mentioned air brake control setup can be converted into displacement signal with the corresponding electric signal of air brake power by the passing ratio electromagnet, and the air feed valve port is controlled in the displacement of passing ratio electromagnet, exhaust valve port opens or closes, realized the accurate control of air brake simply, easily, the variation according to electric braking force when making air brake power changes.And above-mentioned air brake control setup also has characteristics simple in structure, that productive costs is lower.
The present invention also provides a kind of sky electric composite braking system, comprises electric braking control setup and air brake control setup; Described air brake control setup adopts aforesaid air brake control setup.
Because above-mentioned air brake control setup has as above technique effect, therefore, comprises that the empty electric composite braking system of this air brake control setup also should have as above technique effect, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of air brake equipment provided by the present invention, and shows the pressurized state figure of this device;
Fig. 2 is the decompression state figure of Fig. 1;
Fig. 3 is the voltage stabilizing constitution diagram of Fig. 1.
Corresponding relation among Fig. 1 to Fig. 3 between component names and the Reference numeral is:
Proportion electro-magnet 1; Armature 11; Connecting rod 12; Piston 13;
Valve rod 6; Air feed spool 61; Exhaust plug 62;
The specific embodiment
Core of the present invention is for providing the air brake control setup of the electric mixed system of a kind of sky, and this control setup can not only realize that air brake power changes with the size variation of electric braking force, and has characteristics simple in structure, easy to operate, lower-cost.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 3, Fig. 1 is the structural representation of a kind of specific embodiment of air brake equipment provided by the present invention, and shows the pressurized state figure of this device; Fig. 2 is the decompression state figure of Fig. 1; Fig. 3 is the voltage stabilizing constitution diagram of Fig. 1.
In a kind of specific embodiment, as shown in Figure 1, the invention provides the air brake control setup of the electric composite braking system of a kind of sky, this device comprises proportion electro-magnet 1, valve body 2 and valve rod 6 three parts.
Proportion electro-magnet 1 is connected with the controller of system, is used for the corresponding electric signal of the difference of required braking force and electric braking force is converted into displacement signal and output; Valve body 2 is provided with inlet chamber 3, outlet chamber 4 and discharge chamber 5, and inlet chamber 3 is communicated with Air compressor by air inlet pipe 31, and outlet chamber 4 is connected with air brake equipment by freeing pipe 41, and discharge chamber 5 is communicated with atmosphere by freeing pipe 51; Be provided with air feed valve port 21 between inlet chamber 3 and the outlet chamber 4, be provided with exhaust valve port 22 between outlet chamber 4 and the discharge chamber 5; Valve rod 6 runs through inlet chamber 3, outlet chamber 4 and discharge chamber 5, and first end of valve rod 6 connects proportion electro-magnet 1, the second end and is provided with air feed spool 61 and exhaust plug 62.
Following mask body is introduced the control process of this device:
Pressurized state: when the required braking force of power engineering car greater than electric braking force, when namely needing the air brake masterpiece to brake for replenishing braking force, the analog signals of proportion electro-magnet 1 input increases (for example voltage signal of the current signal of 4mA～20mA or 0V～24V), proportion electro-magnet 1 converts this electric signal to displacement signal, produce positive-displacement (among Fig. 1 downward displacement), promoting valve rod 6 moves down, make exhaust plug 62 shutoff exhaust valve ports 22, air feed spool 61 breaks away from air feed valve port 21, be that inlet chamber 3 and outlet chamber 4 are communicated with, outlet chamber 4 and discharge chamber 5 are isolated.At this moment, the high pressure air of Air compressor output flows into air brake equipment through air inlet pipe 31, inlet chamber 3, outlet chamber 4 and freeing pipe 41, realizes the supercharging of air brake equipment.
Decompression state: when the required braking force of power engineering car less than electric braking force, when need not the air brake masterpiece and braking for replenishing braking force, the analog signals of proportion electro-magnet 1 input reduces, proportion electro-magnet 1 produces reverse displacement (displacement that makes progress among Fig. 1), driving valve rod 6 moves up, make exhaust plug 62 break away from exhaust valve port 22, air feed spool 61 shutoff air feed valve ports 21, namely inlet chamber 3 and outlet chamber 4 isolation, outlet chamber 4 and discharge chamber 5 are communicated with.At this moment, the air of air brake equipment flows into atmosphere through freeing pipe 41, outlet chamber 4, the valve port of giving vent to anger, discharge chamber 5 and freeing pipe 51, realizes the decompression of air brake equipment.
By above-mentioned working process as can be known, above-mentioned air brake control setup can passing ratio electromagnet 1 can be converted into displacement signal with the corresponding electric signal of air brake power (required braking force and electric braking force poor), and air feed valve port 21 is controlled in the displacement of passing ratio electromagnet 1, exhaust valve port 22 opens or closes, realized the accurate control of air brake simply, easily, the variation according to electric braking force when making air brake power changes.And above-mentioned air brake control setup also has characteristics simple in structure, that productive costs is lower.
Other concrete structures of above-mentioned air brake control setup can also further be set.
In the another kind of specific embodiment, as shown in Figure 1 to Figure 3, above-mentioned air brake control setup can also comprise pressure feedback chamber 7, pressure feedback chamber 7 is communicated with freeing pipe 41 by feedback pipe 73, valve rod 6 runs through pressure feedback chamber 7, and 7 tops, pressure feedback chamber are connected with proportion electro-magnet 1 by elastomeric element 8; When the pressure in pressure feedback chamber 7 equals the thrust of proportion electro-magnet 1, air feed spool 61 shutoff air feed valve ports 21, exhaust plug 62 shutoff exhaust valve ports 22.
In the concrete scheme, be provided with first elastic plate 71 in the valve body 2, the top board of discharge chamber 5 is second elastic plate 72, the perisporium of first elastic plate 71 and second elastic plate 72 is all captiveed joint with valve body 2 inwalls, valve rod 6 runs through the middle part of first elastic plate 71 and second elastic plate 72, and first elastic plate 71, second elastic plate 72 and valve body 2 inwall threes surround pressure feedback chamber 7.
Adopt this structure, as shown in Figure 1, when proportion electro-magnet 1 produces positive-displacement, promote valve rod 6 move down, open air feed valve port 21, when closing exhaust valve port 22, make the middle part of win elastic plate 71 and second elastic plate 72 produce downward displacement, namely pressure feedback chamber 7 produces downward tensile deformation.In the pressurization, compressed-air actuated part in the freeing pipe 41 flows into air brake equipment, another part is by feedback pipe 73 feed pressure feedback cavity 7, pressure feedback chamber 7 pressure inside are constantly increased, when the pressure in pressure feedback chamber 7 increases to its thrust that makes progress and equals the downward thrust of proportion electro-magnet 1, promote first elastic plate 71, the center of second elastic plate 72 moves up, up to first elastic plate 71, second elastic plate, 72 integral body return to horizontality, as shown in Figure 3, this moment air feed spool 61 shutoff air feed valve ports 21, exhaust plug 62 shutoff exhaust valve ports 22, like this, it is current constant that air pressure in the air brake equipment keeps, the voltage stabilizing state when namely being in supercharging.
In like manner, as shown in Figure 2, when the ratio electromagnet produces reverse displacement, promoting valve rod 6 moves up, close air feed valve port 21, when opening exhaust valve port 22, make the middle part of win elastic plate 71 and second elastic plate 72 produce displacement upwards, i.e. the pressure feedback chamber 7 whole tensile deformations upwards that produce.In the decompression process, pressurized air part in the freeing pipe 41 flows into discharge chamber 5, another part is by feedback pipe 73 feed pressure feedback cavity 7, pressure feedback chamber 7 pressure inside are constantly increased, when the pressure in pressure feedback chamber 7 increases to its downward thrust and equals thrust that proportion electro-magnet 1 makes progress, promote first elastic plate 71, the center of second elastic plate 72 moves up and down, up to first elastic plate 71, second elastic plate, 72 integral body return to horizontality, as shown in Figure 3, this moment air feed spool 61 shutoff air feed valve ports 21, exhaust plug 62 shutoff exhaust valve ports 22, like this, it is current constant that air pressure in the air brake equipment keeps, the voltage stabilizing state when namely being in decompression.
This shows that the air brake control setup in above-mentioned employing pressure feedback chamber 7 can be realized automatic voltage regulation in the process of air brake, guarantee the working stability of air brake.Can expect, above-mentioned pressure feedback chamber 7 is not limited in said structure, for example, first dividing plate and second partition can be set in valve body 2, the two all with the perisporium sliding block joint of valve body 2, first dividing plate, second partition and valve body 2 internal perisporiums surround above-mentioned pressure feedback chamber 7.Adopt this structure, can in the process of air brake, realize automatic voltage regulation equally.But this pressure feedback chamber 7 relates to the gravity problem of first dividing plate, second partition, therefore, for the elasticity modulus of elastomeric element 8 stricter requirement is arranged, and proportion electro-magnet 1 is stressed comparatively complicated.
In the concrete scheme, above-mentioned elastomeric element 8 can be specially spring.Adopt spring to connect the strong and proportion electro-magnet 1 of pressure feedback as elastomeric element 8, can guarantee the working stability of air brake control setup, and have lower-cost characteristics.Certainly, this elastomeric element 8 can also adopt other elastomeric materials such as rubber.
In addition, above-mentioned first elastic plate 71, second elastic plate 72 can be rubber plate.Rubber plate has that deflection is big, toughness advantage preferably, therefore it can be prolonged the service life of air brake control setup as the elastic plate in pressure feedback chamber 7.Certainly, above-mentioned two elastic plates can also adopt other materials.
In the another kind of specific embodiment, armature 11 bottoms of aforementioned proportion electromagnet 1 can be connected with connecting rod 12 and piston 13, and elastomeric element 8 is located at piston 13 bottoms.
Adopt this structure, in the working process, the thrust of electromagnet at first passes to connecting rod 12, and the displacement of connecting rod 12 drives piston 13 and slides at valve body 2 inwalls, and the displacement of piston 13 drives parts such as elastomeric element 8, valve rod 6 again and moves.Because the periphery wall of piston 13 and the internal perisporium sliding connection of valve body 2, therefore piston 13 has certain directional tagging in moving process, thereby guarantee that parts such as elastomeric element 8, valve rod 6 can move along the central axis of valve body 2, avoid valve rod 6 banking motions to cause air feed valve port 21 or exhaust valve port 22 to have the generation of wild effects such as gas leakage, further guarantee the working stability of air brake control setup.
In the another kind of specific embodiment, as shown in Figure 1, valve body 2 is provided with first air extractor vent, 23, the first air extractor vents 23 at the cavity wall that surrounds with first elastic plate 71, piston 13 threes and is communicated with atmosphere.
Adopt this structure, make above-mentioned cavity remain the pressure identical with barometric pressure, avoid because first elastic plate 71 causes the pressure of this chamber to change in compression and stretching, thereby avoid because pressure changes elastomeric element 8 being applied extra pressure, guarantee working stability and the reliability of air brake control setup.
Further in the scheme, as shown in Figure 1, valve body 2 is communicated with atmosphere being provided with second air extractor vent, 24, the second air extractor vents 24 with piston 13 the two cavity wall that surround.
Similarly, this structure can make the pressure of this chamber be always barometric pressure, avoid because piston 13 causes the pressure of this chamber to change in upper and lower moving process, thereby avoid piston 13 is applied extra pressure, improve the functional reliability of air brake control setup.
In addition, the present invention also provides a kind of sky electric composite braking system, comprises electric braking control setup and air brake control setup; The air brake control setup adopts aforesaid air brake control setup.
Because above-mentioned air brake control setup has as above technique effect, therefore, comprises that the empty electric composite braking system of this air brake control setup also should have as above technique effect, does not repeat them here.
More than the electric composite braking system of a kind of sky provided by the present invention and air brake control setup thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. the air brake control setup of the electric composite braking system of sky is characterized in that, comprising:
Proportion electro-magnet (1) is connected with the controller of described system, is used for the corresponding electric signal of the difference of required braking force and electric braking force is converted into displacement signal and output;
Valve body (2), be provided with inlet chamber (3), outlet chamber (4) and discharge chamber (5), described inlet chamber (3) is communicated with Air compressor by air inlet pipe (31), and described outlet chamber (4) is connected with air brake equipment by freeing pipe (41), and described discharge chamber (5) is communicated with atmosphere by freeing pipe (51); Be provided with air feed valve port (21) between described inlet chamber (3) and the described outlet chamber (4), be provided with exhaust valve port (22) between described outlet chamber (4) and the described discharge chamber (5);
Valve rod (6) runs through described inlet chamber (3), outlet chamber (4) and discharge chamber (5), and first end of described valve rod (6) connects proportion electro-magnet (1), and second end is provided with air feed spool (61) and exhaust plug (62);
When required braking force during greater than electric braking force, described proportion electro-magnet (1) output positive-displacement, described air feed spool (61) breaks away from described air feed valve port (21), the described exhaust valve port of described exhaust plug (62) shutoff (22); When required braking force during less than electric braking force, described proportion electro-magnet (1) is exported reverse displacement, the described air feed valve port of described air feed spool (61) shutoff (21), and described exhaust plug (62) breaks away from exhaust valve port (22).
2. the air brake control setup of the electric composite braking system of sky according to claim 1, it is characterized in that, also comprise pressure feedback chamber (7), described pressure feedback chamber (7) is communicated with described freeing pipe (41) by feedback pipe (73), described valve rod (6) runs through described pressure feedback chamber (7), and top, described pressure feedback chamber (7) is connected with described proportion electro-magnet (1) by elastomeric element (8);
When the pressure in described pressure feedback chamber (7) equals the corresponding thrust of displacement of described proportion electro-magnet (1), the described air feed valve port of described air feed spool (61) shutoff (21), the described exhaust valve port of described exhaust plug (62) shutoff (22).
3. the air brake control setup of the electric composite braking system of sky according to claim 2, it is characterized in that, be provided with first elastic plate (71) in the described valve body (2), the top board of described discharge chamber (5) is second elastic plate (72), the perisporium of described first elastic plate (71) and second elastic plate (72) is all captiveed joint with described valve body (2) inwall, described valve rod (6) runs through the middle part of described first elastic plate (71) and second elastic plate (72), described first elastic plate (71), second elastic plate (72) and described valve body (2) inwall three surround described pressure feedback chamber (7).
4. the air brake control setup of the electric composite braking system of sky according to claim 3 is characterized in that, described elastomeric element (8) is spring.
5. the air brake control setup of the electric composite braking system of sky according to claim 3 is characterized in that, described first elastic plate (71), described second elastic plate (72) are rubber plate.
6. according to the air brake control setup of the electric composite braking system of each described sky of claim 2-5, it is characterized in that, armature (11) bottom of described proportion electro-magnet (1) is connected with connecting rod (12) and piston (13), and described elastomeric element (8) is connected in described piston (13) bottom.
7. the air brake control setup of the electric composite braking system of sky according to claim 6, it is characterized in that, described valve body (2) is provided with first air extractor vent (23) at the cavity wall that surrounds with described first elastic plate (71), described piston (13) three, and described first air extractor vent (23) is communicated with atmosphere.
8. the air brake control setup of the electric composite braking system of sky according to claim 7, it is characterized in that, described valve body (2) is being provided with second air extractor vent (24) with the two cavity wall that surrounds of described piston (13), and described second air extractor vent (24) is communicated with atmosphere.
9. the electric composite braking system of sky comprises electric braking control setup and air brake control setup; It is characterized in that described air brake control setup adopts as each described air brake control setup of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245186.2A CN103273919B (en) | 2013-06-19 | 2013-06-19 | A kind of empty electric composite braking system and air-brake controlling device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245186.2A CN103273919B (en) | 2013-06-19 | 2013-06-19 | A kind of empty electric composite braking system and air-brake controlling device thereof |
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| Publication Number | Publication Date |
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| CN103273919A true CN103273919A (en) | 2013-09-04 |
| CN103273919B CN103273919B (en) | 2015-10-21 |
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| CN201310245186.2A Expired - Fee Related CN103273919B (en) | 2013-06-19 | 2013-06-19 | A kind of empty electric composite braking system and air-brake controlling device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273238A (en) * | 2021-12-31 | 2022-04-05 | 重庆邮电大学 | Full automatic sorting equipment of commodity circulation parcel |
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| US4498711A (en) * | 1982-11-05 | 1985-02-12 | Westinghouse Brake And Signal | Pneumatic control for braking system providing snow brake operation |
| CN1187438A (en) * | 1996-12-23 | 1998-07-15 | 西屋气刹车公司 | Electro-pneumatic valve control |
| CN101531184A (en) * | 2009-03-25 | 2009-09-16 | 南京航空航天大学 | Rail transportation vehicle electropneumatic brake unit based on piezoelectric proportional valve |
| CN102167026A (en) * | 2011-04-07 | 2011-08-31 | 北京南车时代机车车辆机械有限公司 | Electric control dual-chamber relay valve |
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2013
- 2013-06-19 CN CN201310245186.2A patent/CN103273919B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498711A (en) * | 1982-11-05 | 1985-02-12 | Westinghouse Brake And Signal | Pneumatic control for braking system providing snow brake operation |
| CN1187438A (en) * | 1996-12-23 | 1998-07-15 | 西屋气刹车公司 | Electro-pneumatic valve control |
| CN101531184A (en) * | 2009-03-25 | 2009-09-16 | 南京航空航天大学 | Rail transportation vehicle electropneumatic brake unit based on piezoelectric proportional valve |
| CN102167026A (en) * | 2011-04-07 | 2011-08-31 | 北京南车时代机车车辆机械有限公司 | Electric control dual-chamber relay valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273238A (en) * | 2021-12-31 | 2022-04-05 | 重庆邮电大学 | Full automatic sorting equipment of commodity circulation parcel |
| CN114273238B (en) * | 2021-12-31 | 2023-12-26 | 重庆邮电大学 | Full-automatic sorting equipment for logistics packages |
| CN114273238B8 (en) * | 2021-12-31 | 2024-02-20 | 山西峰凡科技物流股份有限公司 | Full-automatic sorting equipment for logistics packages |
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| CN103273919B (en) | 2015-10-21 |
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