WO2016172858A1 - Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles - Google Patents

Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles Download PDF

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Publication number
WO2016172858A1
WO2016172858A1 PCT/CN2015/077704 CN2015077704W WO2016172858A1 WO 2016172858 A1 WO2016172858 A1 WO 2016172858A1 CN 2015077704 W CN2015077704 W CN 2015077704W WO 2016172858 A1 WO2016172858 A1 WO 2016172858A1
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WO
WIPO (PCT)
Prior art keywords
valve
assembly
ejector rod
valve body
ejector
Prior art date
Application number
PCT/CN2015/077704
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English (en)
Chinese (zh)
Inventor
张建元
马靖
席力克
周闽俊
张涛
郑小波
周根明
Original Assignee
浙江科力车辆控制系统有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江科力车辆控制系统有限公司 filed Critical 浙江科力车辆控制系统有限公司
Priority to PCT/CN2015/077704 priority Critical patent/WO2016172858A1/fr
Priority to LU92724A priority patent/LU92724B1/en
Publication of WO2016172858A1 publication Critical patent/WO2016172858A1/fr

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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
    • B60T15/36—Other control devices or valves characterised by definite functions

Definitions

  • the invention relates to an electromagnetic foot valve of an energy recovery system for a new energy commercial vehicle.
  • new energy vehicles are equipped with braking energy recovery systems.
  • the principle is to recover the potential energy generated by the weight of the vehicle during the braking process and store it in the form of electrical energy in the super capacitor.
  • the electromagnetic foot valve When the system is running, it controls the system by receiving a voltage signal generated during the braking process of the electromagnetic foot valve.
  • the electromagnetic foot valve generates a voltage signal reflecting the working relationship of the brake pedal through a displacement sensor mounted on the main valve ejector rod.
  • the system collects the signal and makes corresponding commands.
  • the traditional electromagnetic foot valve uses a rubber spring and a metal spring, and the whole braking process becomes very heavy because the new energy vehicle increases the idle stroke.
  • the pedal displacement of the electromagnetic foot valve will give the generator a power generation signal, which will affect the driving safety.
  • the technical problem to be solved by the present invention is to overcome the defects of the prior art mentioned above and provide an electromagnetic foot valve applied to an energy recovery system of a new energy commercial vehicle.
  • the driver's foot feel is very comfortable and will not be Because the empty stroke is added, the whole braking process becomes very heavy.
  • the driver can judge whether it is emergency braking when braking, so as to ensure that the generator is not charged during emergency braking to ensure that the generator is not charged.
  • Driver safety during emergency braking is to overcome the defects of the prior art mentioned above and provide an electromagnetic foot valve applied to an energy recovery system of a new energy commercial vehicle.
  • An electromagnetic foot valve applied to a new energy commercial vehicle energy recovery system comprising a connecting body, an upper valve body and a lower valve body, wherein the connecting body is installed above the upper valve body, and the connecting body, the upper valve body and the lower valve body are formed
  • the ejector body, the balance valve and the upper chamber valve assembly are sequentially arranged in the cavity, and the air spring is arranged between the ejector seat and the balance valve, and the air spring intake pipe is connected with the air source through the electronically controlled pressure regulating valve.
  • An acceleration sensor is connected to the pedestal seat, a top surface is arranged on the ejector base, a potentiometer assembly is arranged on the connecting body, a potentiometer assembly is provided with a ejector rod, and the ejector rod is placed on the top surface of the ejector rod seat, and the potential is The electrical signal of the assembly is connected to an electronically controlled pressure regulating valve.
  • the bottom of the ejector base is provided with a lead-out hole in the axial direction
  • the ejector pin is provided with a through hole communicating with the lead-out hole in the radial direction, and the air-intake pipe of the air spring is led out to the outside through the lead-out hole and the through-hole.
  • the connector is provided with an electrical plug, and the potentiometer assembly and the acceleration sensor are connected to the electrical plug.
  • the upper valve body is provided with an upper chamber air outlet and an upper chamber air inlet
  • the lower valve body is provided with a lower chamber air outlet a, a lower chamber air inlet and an exhaust port;
  • the spring, the upper chamber valve assembly is provided with a valve return spring under the top, the upper chamber valve assembly is provided with a lower chamber valve assembly, and the lower chamber valve assembly is provided with a lower chamber valve spring.
  • the invention has the beneficial effects that the invention ensures that the energy recovered by the vehicle is improved, and the foot feeling of the driver stepping on the electromagnetic foot valve is more comfortable, and the acceleration sensor and the ejector base have strong followability, and the acceleration sensor is ensured.
  • the feedback information is more timely, and it also ensures that the driver needs emergency braking force to perform matching braking when emergency braking is required at any speed to ensure that the vehicle stops smoothly in the shortest time and distance.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • the present invention is an electromagnetic foot valve applied to a new energy commercial vehicle energy recovery system, comprising a connecting body 9, an upper valve body 6 and a lower valve body 18, and the connecting body 9 is mounted above the upper valve body 6.
  • the electric plug 2 is mounted on the left side of the connecting body 9, the upper valve body is provided with an upper chamber air outlet 21a and an upper chamber air inlet 11a, and the lower valve body is provided with a lower chamber air outlet 22a, a lower chamber air inlet 12a and a row
  • the port 3a, the connecting body 9, the upper valve body 6 and the lower valve body 18 are sequentially provided with a ejector seat 11, a balancing valve 14, and an upper chamber valve assembly 5, and the air spring 13 is mounted on the ejector base 11 and In the middle of the balance piston 14, it is required that the axial direction has no movement gap under static conditions, and the bottom of the ejector base 11 is provided with a lead-out hole in the axial direction, and the ejector base 11 is provided with a through
  • the top pole base 11 is connected with an acceleration sensor 10, and the jack seat 11 is provided with
  • the top surface 20 is provided with a potentiometer assembly 1 on the connecting body 9, and the top rod 3 of the potentiometer assembly 1 is tightly attached to the top surface 20 of the jack portion 11, and the potential The pressure regulating valve assembly and electronic control electrical signals 1 is connected.
  • the connector 9 is provided with an electrical plug 2, and the potentiometer assembly 1 and the acceleration sensor 10 are connected to the electrical plug 2.
  • the balance piston 14 is provided with a return spring 15 on the top, and the upper chamber valve assembly 5 is provided with a valve return spring 16 at the top, and the upper chamber valve assembly 5 is provided with a lower chamber valve assembly 7 and a lower chamber valve assembly 7 top.
  • a lower chamber valve spring 8 is provided.
  • the electronically controlled pressure regulating valve is controlled by an electric signal of the potentiometer assembly 1, and the electronically controlled pressure regulating valve inflates the air spring 13 through the air spring intake pipe 12, and the inflation air pressure increases as the downward displacement amount of the plug 3 increases.
  • the driver depresses the brake pedal and the pedal drives the ejector pin 11 to move down.
  • the head 3 of the potentiometer assembly 1 will protrude with the movement of the ejector block 11, at which time the potentiometer assembly 1 outputs an electrical signal to the generator controller in the electric brake system, allowing the generator
  • the opposite braking torque is formed on the drive shaft to perform braking while charging (energy recovery), and the present invention lengthens the ejector pin 11 because the product is used to lengthen the charging time per braking.
  • the empty stroke can ensure that more braking energy is recovered when the vehicle only needs to be slightly decelerated or the braking strength is not strong.
  • the signal of the potentiometer is also output to the electronically controlled pressure regulating valve.
  • the electronically controlled pressure regulating valve inflates the air spring 13 through the air spring intake pipe 12, and the inflation air pressure increases as the downward displacement of the head 3 increases. That is, the longer the stroke of the driver's stepping on the brake pedal, the higher the air pressure at which the air spring 13 is charged, and the foot feel can be increased as the brake strength increases as the driver brakes. And since the rigidity of the air spring 13 is flexible, it is more comfortable than the conventional rubber spring and metal spring. Reduce the labor intensity of the driver.
  • the balance piston 14 When the braking intensity increases, the balance piston 14 "goes" to the empty stroke, starts to the top chamber valve port 4, the upper chamber valve assembly 5 is opened, and the gas from the upper chamber inlet port 11a enters through the opening passage. Upper chamber air outlet 21a. At the same time, the upper chamber valve assembly 5 moves downward to the relay piston 17, and the relay piston 17 moves downward to open the lower chamber valve port 19. The lower chamber valve assembly 7 is opened, and the air from the lower chamber air inlet 12a passes. The opening passage enters the lower chamber air outlet 22a. The air pressure output from the upper chamber air outlet 21a and the lower chamber air outlet 22a brakes the diaphragm sub-chamber in the brake system.
  • the design requires that when the output pressure of the upper chamber air outlet 21a and the lower chamber air outlet 22a is less than 0.2 MPa, the potentiometer assembly 1 will continue to have an increasing voltage signal to the motor controller to continuously brake and charge the motor. .
  • the electric brake system will cause the potentiometer assembly 1 to be powered off, and no signal is output to the generator, at which time the generator braking and charging operation is stopped.
  • the brake pedal When the driver needs emergency braking, the brake pedal will be quickly pressed. At this time, the acceleration sensor 10 mounted on the ejector base 11 will move rapidly. When the acceleration of the movement of the ejector base 11 exceeds the set value, the acceleration sensor 10 will output a signal to the ECU in the electric brake system, the ECU will send a signal to the proportional relay valve, so that the proportional relay valve will quickly output a matching braking force (the braking force is not necessarily the maximum braking force, because the vehicle is low speed) When driving, there is a need for emergency braking in case of emergency. At this time, the matching braking force does not need to be large.
  • the process is controlled by the ECU, and the proportional relay valve continuously feeds back information to the ECU and reaches the matching brake.
  • the invention adopts the air spring 13 to perform the pedaling force feedback, and utilizes the displacement of the ejector base 11 and the positioner assembly 1 to ensure that the feedback force of the air spring 13 is proportional to the pedaling force, and is flexible due to the rigidity of the air spring 13. To ensure the comfort of the driver's pedaling.
  • the invention integrates the acceleration sensor 10 on the ejector base 11, and the acceleration sensor and the ejector base have strong followability, which ensures that the acceleration sensor feedback information is more timely, and also ensures When the driver needs emergency braking at any speed, there will be a qualified braking force to match the braking, ensuring that the vehicle stops smoothly in the shortest time and distance.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)

Abstract

L'invention concerne un robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie à haut rendement d'un véhicule commercial à énergies nouvelles, lequel robinet comprend un corps de liaison (9), un corps de robinet supérieur (6) et un corps de robinet inférieur (18), le corps de liaison (9) étant installé au-dessus du corps de robinet supérieur (6), un siège de tige d'éjecteur (11), un robinet d'équilibrage (14) et un ensemble de robinet de cavité supérieure (5) étant successivement disposés dans une cavité formée par le corps de liaison (9), le corps de robinet supérieur (6) et le corps de robinet inférieur (18), un ressort à air (13) étant disposé entre le siège de tige d'éjecteur (11) et le robinet d'équilibrage (14), un tuyau d'admission de ressort à air (12) étant relié à une source d'air par l'intermédiaire d'un robinet de régulation de pression à commande électrique, le siège de tige d'éjecteur (11) étant relié à un capteur d'accélération (10), le siège de tige d'éjecteur (11) comportant une surface supérieure, le corps de liaison (9) comportant un ensemble de potentiomètre (1), l'ensemble de potentiomètre (1) comportant une tige d'éjecteur (3), la tige d'éjecteur (3) appuyant contre la surface supérieure du siège de tige d'éjecteur (11), et un signal électrique de l'ensemble de potentiomètre (1) étant connecté au robinet de régulation de pression à commande électrique. Tandis que l'énergie recyclée d'un véhicule est accrue, la sensation au pied quand un conducteur appuie sur le robinet de freinage à pied électromagnétique est plus confortable, quand le conducteur a besoin du frein d'urgence à une quelconque vitesse de conduite, une force de freinage qualifiée peut être délivrée pour s'adapter au frein, et le véhicule peut être arrêté de manière stable en une distance la plus courte et en un temps le plus court.
PCT/CN2015/077704 2015-04-28 2015-04-28 Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles WO2016172858A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2015/077704 WO2016172858A1 (fr) 2015-04-28 2015-04-28 Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles
LU92724A LU92724B1 (en) 2015-04-28 2015-04-28 Electromagnetic foot valve applied to energy recycling system of new energy commercial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/077704 WO2016172858A1 (fr) 2015-04-28 2015-04-28 Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles

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WO2016172858A1 true WO2016172858A1 (fr) 2016-11-03

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PCT/CN2015/077704 WO2016172858A1 (fr) 2015-04-28 2015-04-28 Robinet de frein à pied électromagnétique appliqué à un système de recyclage d'énergie de véhicule commercial à énergies nouvelles

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LU (1) LU92724B1 (fr)
WO (1) WO2016172858A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107953874A (zh) * 2017-12-22 2018-04-24 易孝威 一种用于气刹车的电控紧急刹车系统
CN107697051B (zh) * 2017-11-11 2023-10-03 吉林大学 单边双气室车桥用气压制动系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014468B1 (fr) * 1979-02-07 1982-03-31 Graubremse GmbH Soupape de freinage avec dispositif de limitation de pression pour installations de freinage pneumatiques de véhicules à moteur
EP0367107A2 (fr) * 1988-10-31 1990-05-09 Knorr-Bremse Ag Soupape de freinage à double circuit, notamment soupape de freinage à pédale pour installations de freinage de véhicules
US5395164A (en) * 1992-09-28 1995-03-07 Grau Gmbh Operating brake valve for an electrically and pneumatically actuated braking system in a motor vehicle
CN102120450A (zh) * 2011-01-26 2011-07-13 瑞立集团瑞安汽车零部件有限公司 具有电控和气控双回路信号的制动总阀
CN202378856U (zh) * 2012-01-09 2012-08-15 瑞立集团瑞安汽车零部件有限公司 带微动开关的制动总阀
CN202439684U (zh) * 2012-03-05 2012-09-19 瑞立集团瑞安汽车零部件有限公司 带行程信号装置的制动总阀及装有该总阀的汽车
CN104787022A (zh) * 2015-04-24 2015-07-22 浙江科力车辆控制系统有限公司 一种应用于新能源商用车能量高效回收系统的电磁脚阀
CN204674569U (zh) * 2015-04-24 2015-09-30 浙江科力车辆控制系统有限公司 一种应用于新能源商用车能量高效回收系统的电磁脚阀

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014468B1 (fr) * 1979-02-07 1982-03-31 Graubremse GmbH Soupape de freinage avec dispositif de limitation de pression pour installations de freinage pneumatiques de véhicules à moteur
EP0367107A2 (fr) * 1988-10-31 1990-05-09 Knorr-Bremse Ag Soupape de freinage à double circuit, notamment soupape de freinage à pédale pour installations de freinage de véhicules
US5395164A (en) * 1992-09-28 1995-03-07 Grau Gmbh Operating brake valve for an electrically and pneumatically actuated braking system in a motor vehicle
CN102120450A (zh) * 2011-01-26 2011-07-13 瑞立集团瑞安汽车零部件有限公司 具有电控和气控双回路信号的制动总阀
CN202378856U (zh) * 2012-01-09 2012-08-15 瑞立集团瑞安汽车零部件有限公司 带微动开关的制动总阀
CN202439684U (zh) * 2012-03-05 2012-09-19 瑞立集团瑞安汽车零部件有限公司 带行程信号装置的制动总阀及装有该总阀的汽车
CN104787022A (zh) * 2015-04-24 2015-07-22 浙江科力车辆控制系统有限公司 一种应用于新能源商用车能量高效回收系统的电磁脚阀
CN204674569U (zh) * 2015-04-24 2015-09-30 浙江科力车辆控制系统有限公司 一种应用于新能源商用车能量高效回收系统的电磁脚阀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107697051B (zh) * 2017-11-11 2023-10-03 吉林大学 单边双气室车桥用气压制动系统
CN107953874A (zh) * 2017-12-22 2018-04-24 易孝威 一种用于气刹车的电控紧急刹车系统

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