CN112455411A - Electromagnetic regulating valve with reversing function - Google Patents
Electromagnetic regulating valve with reversing function Download PDFInfo
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- CN112455411A CN112455411A CN202011574708.XA CN202011574708A CN112455411A CN 112455411 A CN112455411 A CN 112455411A CN 202011574708 A CN202011574708 A CN 202011574708A CN 112455411 A CN112455411 A CN 112455411A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 29
- 239000012528 membrane Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an electromagnetic regulating valve with a reversing function, which comprises a valve body, wherein an air inlet channel is arranged on one side of the top of the valve body, one end of the air inlet channel is connected with an air storage tank pipeline, an air outlet channel is arranged on the other end of the air inlet channel, a shuttle valve is arranged in the air outlet channel and can slide along the axial direction of the air outlet channel, a first mounting port and a second mounting port are arranged on one end of the air outlet channel, which is far away from the air inlet channel, the valve body is communicated with a pedal brake valve of an automobile through the first mounting port, and the valve body is communicated with a brake cylinder of the automobile through the. The electromagnetic regulating valve has the advantages of rapid response, short lag time, capability of performing accurate step air pressure control and the like, so that the driving brake comfort can be improved.
Description
Technical Field
The invention relates to the field of braking, in particular to an electromagnetic regulating valve with a reversing function.
Background
The prior art uses an EBS single-channel electric control air pressure module or an AEBS relay valve used by a pneumatic AEBS (automatic emergency braking system) and a pneumatic EBS (automobile electronic braking system) to realize the electronic control of service braking, and has the following defects:
1. the internal structure of the conventional EBS single-channel electric control air pressure module or the AEBS relay valve is of a piston type, a main air passage is opened and closed by the up-and-down reciprocating motion of the piston, and compared with a diaphragm type, the piston type has motion resistance, so that the reaction time is longer, and the motion frequency is limited.
2. The internal structure of the conventional EBS single-channel electric control air pressure module or AEBS relay valve is of a piston type, so that the problems of reaction lag and long reaction time exist in low air pressure.
3. The piston of the internal structure of the conventional EBS single-channel electric control air pressure module or AEBS relay valve cannot be accurately controlled by step air pressure, so that the driving comfort is poor.
Disclosure of Invention
The invention aims to provide an electromagnetic regulating valve with a reversing function, which has a simple structure and improves the safety.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an electromagnetic regulating valve with a reversing function comprises a valve body, wherein an air inlet channel is arranged on one side of the top of the valve body, one end of the air inlet channel is connected with an air storage tank pipeline, an air outlet channel is arranged on the other end of the air inlet channel, the air inlet channel is communicated with the air outlet channel, an air inlet pilot gas circuit is arranged above the air inlet channel, a first communication port is arranged at the bottom end of the air inlet pilot gas circuit, a first elastic diaphragm is arranged in the first communication port, and the first elastic diaphragm is positioned above the intersection position of the air inlet channel and the air; when the first elastic membrane is in a normal state, the air inlet channel and the air outlet channel are in a communicated state; when the first elastic membrane is in the extrusion state, the air inlet channel and the air outlet channel are in a blocking state;
the bottom end of the air inlet channel is provided with a first communicating cavity, a second communicating cavity and an exhaust cavity, the air inlet channel is communicated with the first communicating cavity and the exhaust cavity, a first electromagnetic valve is arranged at the intersection position of the air inlet channel, the first communicating cavity and the exhaust cavity, and a first intersection air passage is arranged between the first communicating cavity and the air inlet pilot air passage and is communicated with the first intersection air passage;
the air inlet channel is communicated with the second communicating cavity and the exhaust cavity, and a second electromagnetic valve is arranged at the intersection position of the air inlet channel, the second communicating cavity and the exhaust cavity;
an exhaust pilot gas path and a third communicating cavity are arranged at the bottom end of the gas outlet channel, the gas outlet channel is communicated with the third communicating cavity, and a second intersection gas path is arranged between the exhaust pilot gas path and the second communicating cavity and is communicated with the second intersection gas path; a second communicating opening is formed in the top end of the exhaust pilot gas path, a second elastic diaphragm is arranged in the second communicating opening, and the second elastic diaphragm is located below the intersection position of the gas outlet channel and the third communicating cavity; when the second elastic membrane is in a normal state, the air outlet channel is communicated with the third communication cavity; when the second elastic membrane is in a squeezing state, the air outlet channel and the third communicating cavity are in a blocking state;
a third intersection air passage is arranged between the third communication cavity and the exhaust cavity and communicated with the third communication cavity through the third intersection air passage; the bottom end of the exhaust cavity is provided with an exhaust port and communicated with the outside through the exhaust port;
the air outlet channel is internally provided with a shuttle valve which can slide along the axial direction of the air outlet channel, one end of the air outlet channel far away from the air inlet channel is provided with a first mounting port and a second mounting port, the valve body is communicated with a foot-operated brake valve of an automobile through the first mounting port, and the valve body is communicated with a brake cylinder of the automobile through the second mounting port.
Furthermore, the first electromagnetic valve comprises a first closed coil, a first iron core and a first spring, the bottom end of the first spring is arranged at the intersection position of the first communicating cavity and the exhaust cavity, the top end of the first spring is connected with the first iron core, the top end of the first iron core is sleeved on the inner side of the first closed coil, the top end of the first closed coil is in a necking shape, and the first closed coil is arranged at the intersection position of the air inlet channel and the first communicating cavity; when the first closed coil is powered off, the first iron core blocks the intersection position of the first communication cavity and the exhaust cavity under the action of the first spring, and the air inlet channel and the first communication cavity are in a communication state; when the first closed coil is electrified, the first iron core moves upwards to plug the top end of the first closed coil, and the first communication cavity and the exhaust cavity are in a communication state.
Further, the second electromagnetic valve comprises a second closed coil, a second iron core and a second spring, the top end of the second spring is arranged at the intersection position of the air inlet channel and the second communicating cavity, the bottom end of the second spring is connected with the second iron core, the bottom end of the second iron core is sleeved on the inner side of the first closed coil, the bottom end of the first closed coil is in a necking shape, and the second closed coil is arranged at the intersection position of the second communicating cavity and the exhaust cavity; when the second closed coil is powered off, the second iron core blocks the intersection position of the air inlet channel and the second communicating cavity under the action of a second spring, and the second communicating cavity is communicated with the exhaust cavity; when the second closed coil is electrified, the second iron core moves downwards to plug the top end of the second closed coil, and the air inlet channel and the second communicating cavity are in a communicating state.
Furthermore, the first mounting port is positioned at the end of the air outlet channel far away from the air inlet channel, and the second mounting port is positioned below the air outlet channel; when the shuttle valve is positioned on one side of the air outlet channel close to the air inlet channel, the second mounting port is communicated with the first mounting port; when the shuttle valve is positioned on one side of the air outlet channel close to the first mounting port, the air inlet channel is communicated with the second mounting port.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the electromagnetic regulating valve only partially changes the existing pneumatic ABS electromagnetic valve, and can fully utilize the existing processing technology, thereby reducing the processing cost;
2. the electromagnetic regulating valve can realize electronic control of service braking and conventional braking of an original vehicle, and also overcomes the defects that an EBS single-channel electric control air pressure module or an AEBS relay valve has a complex internal structure and is not beneficial to maintenance;
3. the electromagnetic regulating valve has the advantages of rapid response, short lag time, capability of performing accurate step air pressure control and the like compared with a piston type structure in which the main air passage is opened and closed by the up-and-down reciprocating motion of a piston, so that the driving brake comfort can be improved;
4. the electromagnetic regulating valve has a diaphragm type internal structure, and the volumes of a main gas circuit and a pilot gas circuit of the electromagnetic regulating valve are smaller than those of an existing EBS single-channel electric control air pressure module or an AEBS relay valve, so that the corresponding gas consumption is smaller, and certain energy consumption is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the pressurized state of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in a pressure maintaining state;
FIG. 3 is a schematic view of the structure of the present invention in a depressurized state;
FIG. 4 is a schematic structural view of a conventional braking state of the present invention;
fig. 5 is a schematic view of the mounting position of the valve body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1 to 5, the embodiment discloses an electromagnetic regulating valve with a reversing function, which includes a valve body 24, wherein an air inlet channel 1 is arranged on one side of the top of the valve body 24, one end of the air inlet channel 1 is connected with an air storage tank 26 through a pipeline, an air outlet channel 4 is arranged on the other end of the air inlet channel 1, the air inlet channel 1 is communicated with the air outlet channel 4, an air inlet pilot air path 2 is arranged above the air inlet channel 1, a first communicating port is arranged at the bottom end of the air inlet pilot air path 2, a first elastic membrane 3 is arranged in the first communicating port, and the first elastic membrane 3 is located above the intersection position of the air inlet channel; when the first elastic membrane 3 is in a normal state, the air inlet channel 1 and the air outlet channel 4 are in a communication state; when the first elastic membrane 3 is in a squeezing state, the air inlet channel 1 and the air outlet channel 4 are in a blocking state;
a first communicating cavity 14, a second communicating cavity 8 and an exhaust cavity 16 are arranged at the bottom end of the air inlet channel 1, the air inlet channel 1 is communicated with the first communicating cavity 14 and the exhaust cavity 16, a first electromagnetic valve is arranged at the intersection position of the first communicating cavity 14 and the exhaust cavity 16, a first intersection air passage 15 is arranged between the first communicating cavity 14 and the air inlet pilot air passage 2 and is communicated with the first intersection air passage 15 (the first intersection air passages are not in the same cross section);
the first electromagnetic valve comprises a first closed coil 18, a first iron core 19 and a first spring 20, the bottom end of the first spring 20 is arranged at the intersection position of the first communicating cavity 14 and the exhaust cavity 16, the top end of the first spring 20 is connected with the first iron core 19, the top end of the first iron core 19 is sleeved on the inner side of the first closed coil 18, the top end of the first closed coil 18 is in a necking shape, and the first closed coil 18 is arranged at the intersection position of the air inlet channel 1 and the first communicating cavity 14; when the first closed coil 18 is powered off, the first iron core 19 blocks the intersection position of the first communication cavity 14 and the exhaust cavity 16 under the action of the first spring 20, and the air inlet channel 1 and the first communication cavity 14 are in a communication state; when the first closed coil 18 is energized, the first iron core 19 moves upward to seal the top end of the first closed coil 18, and the first communication chamber 14 and the exhaust chamber 16 are in a communication state.
The air inlet channel 1 is communicated with the second communicating cavity 8 and the exhaust cavity 16, and a second electromagnetic valve is arranged at the intersection position of the air inlet channel 1, the second communicating cavity 8 and the exhaust cavity 16;
the second electromagnetic valve comprises a second closed coil 21, a second iron core 22 and a second spring 23, the top end of the second spring 23 is arranged at the intersection position of the air inlet channel 1 and the second communicating cavity 8, the bottom end of the second spring 23 is connected with the second iron core 22, the bottom end of the second iron core 22 is sleeved on the inner side of the first closed coil 21, the bottom end of the first closed coil 21 is in a necking shape, and the second closed coil 21 is arranged at the intersection position of the second communicating cavity 8 and the exhaust cavity 16; when the second closed coil 21 is de-energized, the second iron core 22 blocks the intersection position of the air inlet channel 1 and the second communicating chamber 8 under the action of the second spring 23, and the second communicating chamber 8 is communicated with the exhaust chamber 16; when the second closed coil 21 is energized, the second iron core 22 moves downward to block the top end of the second closed coil 21, and the air inlet passage 1 and the second communication chamber 8 are in a communication state.
An exhaust pilot gas path 10 and a third communicating cavity 9 are arranged at the bottom end of the gas outlet channel 4, the gas outlet channel 4 is communicated with the third communicating cavity 9, and a second intersection gas path 11 is arranged between the exhaust pilot gas path 10 and the second communicating cavity 8 and is communicated with the second intersection gas path 11 through the second intersection gas path 11 (the second intersection gas paths are not in the same cross section); a second communicating opening is formed in the top end of the exhaust pilot gas path 10, a second elastic membrane 12 is arranged in the second communicating opening, and the second elastic membrane 12 is located below the intersection position of the gas outlet channel 4 and the third communicating cavity 9; when the second elastic diaphragm 12 is in a normal state, the air outlet channel 4 and the third communicating cavity 9 are in a communicating state; when the second elastic membrane 12 is in a squeezing state, the air outlet channel 4 and the third communicating cavity 9 are in a blocking state;
a third intersection air passage 13 is arranged between the third communication cavity 9 and the exhaust cavity 16 and communicated with each other through the third intersection air passage 13 (the third intersection air passages are not in the same section); the bottom end of the exhaust cavity 16 is provided with an exhaust port 17 and communicated with the outside through the exhaust port 17;
the air outlet channel 4 is internally provided with a shuttle valve 7, the shuttle valve 7 can slide along the axial direction of the air outlet channel 4, one end of the air outlet channel 4, which is far away from the air inlet channel 1, is provided with a first mounting port 6 and a second mounting port 5, the valve body 24 is communicated with a pedal brake valve 27 of an automobile through the first mounting port 6, and the valve body 24 is communicated with a brake cylinder 25 of the automobile through the second mounting port 5.
The first mounting port 6 is positioned at the end of the air outlet channel 4 far away from the air inlet channel 1, and the second mounting port 5 is positioned below the air outlet channel 4; when the shuttle valve 7 is positioned on one side of the air outlet channel 4 close to the air inlet channel 1, the second mounting port 5 is communicated with the first mounting port 6; when the shuttle valve 7 is located on the side of the air outlet channel 4 close to the first mounting port 6, the air inlet channel 1 is communicated with the second mounting port 5.
The electromagnetic regulating valve in this embodiment has four different states in the working process, which are respectively a pressurization state, a pressure maintaining state, a pressure reducing state and a conventional braking state, and the following detailed description is made for the gas path flow directions of the four different states:
in a pressurization state, the first closed coil and the second closed coil are both in an electrified state; after the first closed coil is electrified, the air inlet channel and the first communicating cavity are in a closed state, and the first communicating cavity and the exhaust cavity are in a communicated state; the air pressure of the air inlet pilot air path is exhausted from the air outlet after passing through the first intersection air path, at the moment, the first elastic diaphragm is in a free state, and the air inlet channel and the air outlet channel are in a communicated state;
after the second closed coil is electrified, the second communicating cavity and the exhaust cavity are in a closed state, the second communicating cavity and the air inlet channel are in a communicated state, air pressure in the air inlet channel enters the exhaust pilot air path through the second communicating cavity, the second elastic membrane is in an extrusion state at the moment, and the air outlet channel and the third communicating cavity are in a blocking state; compressed gas from the gas storage tank passes through the gas outlet channel of the gas inlet channel, and meanwhile, the shuttle valve is extruded to the position of the first mounting port, so that gas pressure enters a brake cylinder of the automobile from the second mounting port to perform braking operation; the structure is shown in figure 1;
in the pressure maintaining state, the first closed coil is in a power-off state, and the second closed coil is in a power-on state; after the first closed coil is powered off, the air inlet channel and the first communicating cavity are in a communicating state, and the first communicating cavity and the exhaust cavity are in a blocking state; the air pressure of the air inlet channel enters the air inlet pilot air path after passing through the first intersection air path, the first elastic membrane is in an extrusion state at the moment, and the air inlet channel and the air outlet channel are in a blocking state;
after the second closed coil is electrified, the second communicating cavity and the exhaust cavity are in a closed state, the second communicating cavity and the air inlet channel are in a communicated state, air pressure in the air inlet channel enters the exhaust pilot air path through the second communicating cavity, the second elastic membrane is in a closed state at the moment, and the air outlet channel and the third communicating cavity are in a blocking state; compressed gas from the gas storage tank respectively enters a gas inlet pilot gas path and a gas outlet pilot gas path through a gas inlet channel for pressure maintenance; the structure is shown in figure 2;
in the decompression state, the first closed coil and the second closed coil are both in a power-off state; after the first closed coil is powered off, the air inlet channel and the first communicating cavity are in a communicating state, and the first communicating cavity and the exhaust cavity are in a blocking state; the air pressure of the air inlet channel enters the air inlet pilot air path after passing through the first intersection air path, the first elastic membrane is in an extrusion state at the moment, and the air inlet channel and the air outlet channel are in a blocking state;
after the second closed coil is powered off, the second communicating cavity is communicated with the exhaust cavity, the second communicating cavity is blocked with the air inlet channel, air pressure in the exhaust pilot air path enters the exhaust cavity through the second communicating cavity, the second elastic membrane is in a free state at the moment, and the air outlet channel is communicated with the third communicating cavity; the air pressure in the exhaust pilot air path is exhausted from the exhaust cavity through the second communicating cavity; the air pressure in the air outlet channel is exhausted from the exhaust cavity through the third communicating cavity, so that the pressure reduction operation is realized; the structure is shown in figure 3;
when the foot-operated brake valve of the automobile brakes, under the action of air pressure in the foot-operated brake valve pipeline, the shuttle valve slides to one side of the air outlet ventilation channel close to the air inlet channel, and compressed air in the foot-operated brake valve pipeline enters the second mounting port through the first mounting port, so that air supply and brake operation of the brake cylinder is realized; the structure is shown in fig. 4.
The invention has the following beneficial effects:
1. the electromagnetic regulating valve only partially changes the existing pneumatic ABS electromagnetic valve, and can fully utilize the existing processing technology, thereby reducing the processing cost;
2. the electromagnetic regulating valve can realize electronic control of service braking and conventional braking of an original vehicle, and also overcomes the defects that an EBS single-channel electric control air pressure module or an AEBS relay valve has a complex internal structure and is not beneficial to maintenance;
3. the electromagnetic regulating valve has the advantages of rapid response, short lag time, capability of performing accurate step air pressure control and the like compared with a piston type structure in which the main air passage is opened and closed by the up-and-down reciprocating motion of a piston, so that the driving brake comfort can be improved;
4. the electromagnetic regulating valve has a diaphragm type internal structure, and the volumes of a main gas circuit and a pilot gas circuit of the electromagnetic regulating valve are smaller than those of an existing EBS single-channel electric control air pressure module or an AEBS relay valve, so that the corresponding gas consumption is smaller, and certain energy consumption is saved.
Claims (4)
1. The utility model provides a take electromagnetic control valve of switching-over function, includes the valve body, its characterized in that: an air inlet channel is arranged on one side of the top of the valve body, one end of the air inlet channel is connected with an air storage tank pipeline, an air outlet channel is arranged on the other end of the air inlet channel, the air inlet channel is communicated with the air outlet channel, an air inlet pilot air path is arranged above the air inlet channel, a first communication port is arranged at the bottom end of the air inlet pilot air path, a first elastic membrane is arranged in the first communication port, and the first elastic membrane is positioned above the intersection position of the air inlet channel and the air outlet channel; when the first elastic membrane is in a normal state, the air inlet channel and the air outlet channel are in a communicated state; when the first elastic membrane is in the extrusion state, the air inlet channel and the air outlet channel are in a blocking state;
the bottom end of the air inlet channel is provided with a first communicating cavity, a second communicating cavity and an exhaust cavity, the air inlet channel is communicated with the first communicating cavity and the exhaust cavity, a first electromagnetic valve is arranged at the intersection position of the air inlet channel, the first communicating cavity and the exhaust cavity, and a first intersection air passage is arranged between the first communicating cavity and the air inlet pilot air passage and is communicated with the first intersection air passage;
the air inlet channel is communicated with the second communicating cavity and the exhaust cavity, and a second electromagnetic valve is arranged at the intersection position of the air inlet channel, the second communicating cavity and the exhaust cavity;
an exhaust pilot gas path and a third communicating cavity are arranged at the bottom end of the gas outlet channel, the gas outlet channel is communicated with the third communicating cavity, and a second intersection gas path is arranged between the exhaust pilot gas path and the second communicating cavity and is communicated with the second intersection gas path; a second communicating opening is formed in the top end of the exhaust pilot gas path, a second elastic diaphragm is arranged in the second communicating opening, and the second elastic diaphragm is located below the intersection position of the gas outlet channel and the third communicating cavity; when the second elastic membrane is in a normal state, the air outlet channel is communicated with the third communication cavity; when the second elastic membrane is in a squeezing state, the air outlet channel and the third communicating cavity are in a blocking state;
a third intersection air passage is arranged between the third communication cavity and the exhaust cavity and communicated with the third communication cavity through the third intersection air passage; the bottom end of the exhaust cavity is provided with an exhaust port and communicated with the outside through the exhaust port;
the air outlet channel is internally provided with a shuttle valve which can slide along the axial direction of the air outlet channel, one end of the air outlet channel far away from the air inlet channel is provided with a first mounting port and a second mounting port, the valve body is communicated with a foot-operated brake valve of an automobile through the first mounting port, and the valve body is communicated with a brake cylinder of the automobile through the second mounting port.
2. The electromagnetic regulating valve with a reversing function according to claim 1, characterized in that: the first electromagnetic valve comprises a first closed coil, a first iron core and a first spring, the bottom end of the first spring is arranged at the intersection position of the first communicating cavity and the exhaust cavity, the top end of the first spring is connected with the first iron core, the top end of the first iron core is sleeved on the inner side of the first closed coil, the top end of the first closed coil is in a necking shape, and the first closed coil is arranged at the intersection position of the air inlet channel and the first communicating cavity; when the first closed coil is powered off, the first iron core blocks the intersection position of the first communication cavity and the exhaust cavity under the action of the first spring, and the air inlet channel and the first communication cavity are in a communication state; when the first closed coil is electrified, the first iron core moves upwards to plug the top end of the first closed coil, and the first communication cavity and the exhaust cavity are in a communication state.
3. The electromagnetic regulator valve with commutation function of claim 2, wherein: the second electromagnetic valve comprises a second closed coil, a second iron core and a second spring, the top end of the second spring is arranged at the intersection position of the air inlet channel and the second communicating cavity, the bottom end of the second spring is connected with the second iron core, the bottom end of the second iron core is sleeved on the inner side of the first closed coil, the bottom end of the first closed coil is in a necking shape, and the second closed coil is arranged at the intersection position of the second communicating cavity and the exhaust cavity; when the second closed coil is powered off, the second iron core blocks the intersection position of the air inlet channel and the second communicating cavity under the action of a second spring, and the second communicating cavity is communicated with the exhaust cavity; when the second closed coil is electrified, the second iron core moves downwards to plug the top end of the second closed coil, and the air inlet channel and the second communicating cavity are in a communicating state.
4. The electromagnetic regulating valve with a reversing function according to claim 3, characterized in that: the first mounting port is positioned at the end of one end of the air outlet channel far away from the air inlet channel, and the second mounting port is positioned below the air outlet channel; when the shuttle valve is positioned on one side of the air outlet channel close to the air inlet channel, the second mounting port is communicated with the first mounting port; when the shuttle valve is positioned on one side of the air outlet channel close to the first mounting port, the air inlet channel is communicated with the second mounting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011574708.XA CN112455411A (en) | 2020-12-28 | 2020-12-28 | Electromagnetic regulating valve with reversing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011574708.XA CN112455411A (en) | 2020-12-28 | 2020-12-28 | Electromagnetic regulating valve with reversing function |
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| CN112455411A true CN112455411A (en) | 2021-03-09 |
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| CN202011574708.XA Pending CN112455411A (en) | 2020-12-28 | 2020-12-28 | Electromagnetic regulating valve with reversing function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230404A (en) * | 1998-02-20 | 1999-08-27 | Koganei Corp | Indirectly operated solenoid valve |
| CN203766745U (en) * | 2014-04-14 | 2014-08-13 | 东风电子科技股份有限公司 | Pilot-operated type electromagnetic air pressure adjusting valve |
| CN106114486A (en) * | 2016-07-14 | 2016-11-16 | 徐州重型机械有限公司 | A kind of ABS electric-controlled relay valve |
| CN106368998A (en) * | 2016-11-14 | 2017-02-01 | 无锡市华通气动制造有限公司 | Integrated pneumatic control valve for cylinder and fireproof door control system |
| CN111361539A (en) * | 2020-04-02 | 2020-07-03 | 燕山大学 | Electromagnetic valve for pneumatic brake-by-wire system and use method thereof |
| CN214295907U (en) * | 2020-12-28 | 2021-09-28 | 焦作博瑞克控制技术有限公司 | Electromagnetic regulating valve with reversing function |
-
2020
- 2020-12-28 CN CN202011574708.XA patent/CN112455411A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230404A (en) * | 1998-02-20 | 1999-08-27 | Koganei Corp | Indirectly operated solenoid valve |
| CN203766745U (en) * | 2014-04-14 | 2014-08-13 | 东风电子科技股份有限公司 | Pilot-operated type electromagnetic air pressure adjusting valve |
| CN106114486A (en) * | 2016-07-14 | 2016-11-16 | 徐州重型机械有限公司 | A kind of ABS electric-controlled relay valve |
| CN106368998A (en) * | 2016-11-14 | 2017-02-01 | 无锡市华通气动制造有限公司 | Integrated pneumatic control valve for cylinder and fireproof door control system |
| CN111361539A (en) * | 2020-04-02 | 2020-07-03 | 燕山大学 | Electromagnetic valve for pneumatic brake-by-wire system and use method thereof |
| CN214295907U (en) * | 2020-12-28 | 2021-09-28 | 焦作博瑞克控制技术有限公司 | Electromagnetic regulating valve with reversing function |
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