CN109334650A - The higher vehicle electronic brake device of the degree of automation - Google Patents
The higher vehicle electronic brake device of the degree of automation Download PDFInfo
- Publication number
- CN109334650A CN109334650A CN201811134944.2A CN201811134944A CN109334650A CN 109334650 A CN109334650 A CN 109334650A CN 201811134944 A CN201811134944 A CN 201811134944A CN 109334650 A CN109334650 A CN 109334650A
- Authority
- CN
- China
- Prior art keywords
- disk
- gas valve
- motor
- sliding block
- button switch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/746—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 electrical assistance or drive and mechanical transmission of the braking action
Abstract
The higher vehicle electronic brake device of the degree of automation, including master controller, motor, stop button switch, brake release button switch and rack, the motor is fixedly connected on the rack, the stop button switch, brake release button switch and motor are electrically connected with master controller, it further include disk, connecting rod, sliding block and retaining mechanism, the disk is fixedly connected on the output shaft of motor and has locking slot, the sliding block is slidably connected on the rack, the hinged radially outer edge part in disk in described connecting rod one end, the other end is hinged on sliding block, the retaining mechanism is electrically connected with master controller.The electronic brake apparatus structure of vehicle of the invention is simple, manufacturing cost is low, power transmitting is continuous, abrasion is small, noise is low and high degree of automation.
Description
Technical field
The present invention relates to a kind of vehicles, and in particular to the higher vehicle electronic brake device of the degree of automation.
Background technique
Electronic brake device be in order to operate conveniently driver, parking reliably and traffic safety, electronic parking system
Dynamic system has gradually replaced traditional mechanical type parking brake system, so that the development for being increasingly becoming parking braking system of automobile becomes
Gesture.Electronic brake system is using machine driving and automatically controlled mode and to implement parking braking using motor driven.China
The electronics that application for a patent for invention specification (publication No. CN102060008A, date of publication 2011.05.18) discloses a kind of vehicle is stayed
Vehicle brake, including generating the drive motor of rotary force, being connect with the driving gear of drive motor drive shaft one, with driving gear
The driven gear of conjunction and the mandrel coaxial with driven gear, when drive motor rotation, mandrel receives drive by driven gear
It moves the rotary force of motor and moves linearly.There are the following problems for this kind of brake: (1) its executing agency because use gear mechanism,
The transmitting of its power will appear interruption.(2) due to using gear mechanism, there is a problem of wearing between gear that big, noise is big.Middle promulgated by the State Council
Bright patent application specification (publication No. CN102729972A, date of publication 2012.10.17) discloses a kind of hydraulic control electronic parking and holds
Row mechanism solves between the transmitting of gear mechanism power will appear including the high-pressure pump, low-lift pump, hydraulic cylinder etc. being driven by motor
Problem big, that noise is big is worn between disconnected and gear, but its structure is excessively complicated, manufacturing cost is also higher.
Summary of the invention
That the object of the present invention is to provide a kind of structures is simple, manufacturing cost is low, power transmitting is continuous, abrasion is small, noise is low
And the electronic brake device of the vehicle of high degree of automation.
To achieve the goals above, the technical scheme is that
A kind of electronic brake device of vehicle, including master controller, motor, stop button switch, brake release button are opened
Close and rack, the motor be fixedly connected on the rack, stop button switch, brake release button switch and motor with
Master controller electrical connection, innovative point are: further including disk, connecting rod, sliding block and retaining mechanism, the disk is fixedly connected on
On the output shaft of motor and there is locking slot, the sliding block is slidably connected on the rack, and described connecting rod one end is hinged in disk
Radially outer edge part, the other end is hinged on sliding block, and the retaining mechanism is electrically connected with master controller.
The retaining mechanism includes gas bag, electromagnetic gas valve, cylinder) and latch segment, the latch segment be fixedly connected on cylinder
Piston rod on, P mouthfuls of air inlet of the electromagnetic gas valve are connected to gas bag, and A mouthfuls of the execution mouth of electromagnetic gas valve has bar with cylinder
Chamber connection, electromagnetic gas valve are electrically connected with master controller.
P mouthfuls of the air inlet gas channels to gas bag of the electromagnetic gas valve are equipped with Manual gas valve, the air inlet P of Manual gas valve
It mouthful is connected to gas bag, P mouthfuls of air inlet of A mouthfuls of the execution mouth of Manual gas valve and electromagnetic gas valve are connected to.
The locking slot of the disk has the first locking face and the first vertical reference face, first locking face) and first
The angle in vertical reference face is α, and the latch segment of the retaining mechanism has the second locking face and a second vertical reference face, described the
Two locking faces and the angle in the second vertical reference face are β, and have α=5 ° and β=5 °.
Benefit of the invention is that: (1) present invention be driven by a motor disk rotational, by connecting rod by the rotation of disk continuously
It is changed into the linear motion of sliding block, brake operating is executed by the brake that sliding block drives bracing wire to make wheel, due to being entirely driven
System is not required to through gear, therefore power transmitting is continuous.(2) present invention is driven by a motor disk rotational, by connecting rod by disk
Rotation be continuously changed into the linear motion of sliding block, brake operating is executed by the brake that sliding block drives bracing wire to make wheel,
Since entire transmission system is not required to through gear, abrasion is small, noise is low.(3) not due to entire transmission system of the invention
It need to need to only use disk, connecting rod and sliding block can returning motor using expensive high-pressure pump, low-lift pump, hydraulic cylinder etc.
The dynamic straight reciprocating motion for being continuously changed into sliding block of transhipment, therefore structure is simple, manufacturing cost is very low.(4) present invention presses
The i.e. controllable motor of controller is disc-rotated after lower button, and the rotation of disk is continuously changed into sliding block by connecting rod
Linear motion executes brake operating by the brake that sliding block drives bracing wire to make wheel, by controller control after motor rotation
Retaining mechanism processed carries out automatically lock to disk, and locking rear slider is immovable, by manual operation, therefore whole process is not required to
High degree of automation.
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention in the braking state；
Fig. 2 is structural schematic diagram of the present invention in brake release state；
Fig. 3 is the connection schematic diagram of motor of the invention, rack, disk, connecting rod, sliding block；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the portion the A enlarged drawing of Fig. 3；
Fig. 6 is the enlarged drawing of latch segment.
Specific embodiment
As shown in Fig. 1 ~ Fig. 4, a kind of electronic brake device of vehicle, including master controller 1, motor 2, stop button
Switch 7, brake release button switch 8 and rack 3, the motor 2 are fixedly connected in rack 3, the stop button switch 7,
Brake release button switch 8 and motor 2 are electrically connected with master controller 1, and innovative point is: being further included disk 4, connecting rod 5, slided
Block 6 and retaining mechanism 10, the disk 4 are fixedly connected on the output shaft 2-1 of motor 2 and have locking slot 4-1, the sliding block
6 are slidably connected in rack 3, the hinged radially outer edge part in disk 4 in 5 one end of connecting rod, and the other end is hinged in cunning
On block 6.The retaining mechanism 10 is electrically connected with master controller 1.The sliding block 6 passes through parking bracing wire and the system being mounted at wheel
Dynamic device connection, so as to execute or discharge the brake operating for the brake being mounted at wheel, institute according to the movement of sliding block 6
Stating motor 2 is servo motor.
As shown in Figure 1 and Figure 2, the retaining mechanism 10 includes gas bag 11, electromagnetic gas valve 12, cylinder 13 and latch segment 14, institute
It states latch segment 14 to be fixedly connected on the piston rod 13-1 of cylinder 13, P mouthfuls of air inlet of the electromagnetic gas valve 12 connect with gas bag 11
Logical, A mouthfuls of mouth of execution of electromagnetic gas valve 12 are connected to the rod chamber of cylinder 13, and electromagnetic gas valve 12 is electrically connected with master controller 1.It is this
10 high degree of automation of retaining mechanism and certifiable the vehicle retaining mechanism 10 when long-time is stopped can also lock.
P mouthfuls of the air inlet gas channels to gas bag 11 of the electromagnetic gas valve 12 are equipped with Manual gas valve 15, Manual gas valve 15
P mouthfuls of air inlet be connected to gas bag 11, P mouthfuls of air inlet of A mouthfuls of the execution mouth of Manual gas valve 15 and electromagnetic gas valve 12 are connected to.Just
Under reason condition P mouthfuls of the air inlet of Manual gas valve 15 with execute mouth A mouthful and communicate, when electromagnetic gas valve 12 or master controller 1 damage, lead
When not can control electromagnetic gas valve 12 A mouthfuls of execution mouth of controller 1 are communicated with atmosphere, at this moment can operate Manual gas valve 15 makes its execution
Mouth A is communicated with atmosphere, still can guarantee that the latch segment 14 of retaining mechanism 10 locks disk 4 in this way.
As shown in Figure 5, Figure 6, the locking slot 4-1 of the disk 4 has the first locking face 4-1-1 and the first vertical reference face
The angle of 4-1-2, the first locking face 4-1-1 and the first vertical reference face 4-1-2 are α, the locking of the retaining mechanism 10
Block 14 has the second locking face 14-1 and the second vertical reference face 14-2, the second locking face 14-1 and the second vertical reference face
The angle of 14-2 is β, and has α=5 ° and β=5 °.Since the locking slot 4-1 of disk 4 and the material of latch segment 14 are steel,
And the Self-locking angle between steel and steel is 8 ° or so, therefore is arranged between the locking slot 4-1 and latch segment 14 that can guarantee disk 4 in this way
Formed it is self-locking, accordingly even when disk 4 by moment of face effect latch segment 14 will not be made to skid off locking slot 4-1, make to lock more reliable.
As shown in Figure 1, the working principle of the electronic brake device of vehicle of the invention is achieved in that due to machine
Frame 3, disk 4, connecting rod 5, sliding block 6 form slider-crank mechanism.Master controller 1 controls motor 2 after pressing stop button switch 7
Half-turn is rotated, drives connecting rod 5 to move right sliding block 6 in rack 3 by disk 4, since sliding block 6 passes through parking bracing wire and installation
Brake connection at wheel, thus can drive bracing wire that the brake at wheel is made to execute brake operating, it is tied when motor 2 rotates
12 power loss of electromagnetic gas valve of retaining mechanism 10 is controlled after beam by master controller 1, at this moment A mouthfuls of the execution mouth of electromagnetic gas valve 12 and atmosphere
It communicates, the pressed gas in gas bag 11 cannot pass through the rod chamber that electromagnetic gas valve 12 reaches cylinder 13, the piston rod 13- of cylinder 13
1, under spring force close to disk 4, makes the latch segment being fixedly connected on piston rod 13-1 14 be clamped on the lock of disk 4
To lock to disk 4 in tight slot 4-1, it is able to rotate disk 4 not, such sliding block 6 can not move along a straight line.Whole process
It is not required to through manual operation, therefore high degree of automation.Since the piston rod 13-1 of cylinder 13 makes to lock under spring force
Tight block 14 locks disk 4, without by pressed gas locking, therefore when the vehicle is parked between longer, no pressure in gas bag 11
The locking to disk 4 is still ensured that when gas.
As shown in Fig. 2, the electromagnetism gas of retaining mechanism 10 is controlled by master controller 1 after pressing brake release button switch 8
Valve 12 it is electric, communicate P mouthful of the air inlet of electromagnetic gas valve 12 mouth A mouthfuls with execution, the pressed gas in gas bag 11 is by electromagnetism gas
Valve 12 reaches the rod chamber of cylinder 13, and the piston rod 13-1 of cylinder 13 leaves disk 4 under the action of pressed gas, makes fixed company
The latch segment 14 on stopper rod 13-1 of taking over a job leaves the locking slot 4-1 of disk 4 and locks to release to disk 4, and disk 4 can turn
It is dynamic, motor 2 is controlled by master controller 1 after lock release and rotates half-turn, drives connecting rod 5 to make sliding block 6 in rack 3 by disk 4
It moves downward, since sliding block 6 is connect by parking bracing wire with the brake being mounted at wheel, thus bracing wire can be driven to make wheel
The brake at place discharges brake operating.
The present invention drives disk 4 to rotate by motor 2, and the rotation of disk 4 is continuously changed into sliding block 6 by connecting rod 5
Linear motion drives bracing wire campaign by sliding block 6, the parking brake of vehicle is driven, since entire transmission system is not required to pass through tooth
Wheel, therefore power transmitting is continuous and abrasion is small, noise is low.Entire transmission system of the invention is not required to using expensive high pressure
Pump, low-lift pump, hydraulic cylinder etc. only can need to continuously be changed the rotary motion of motor 2 using disk 4, connecting rod 5 and sliding block 6
Be the straight reciprocating motion of sliding block 6 to be used to control bracing wire, drive vehicle parking brake, therefore structure is simple, manufacture at
This is very low.
Claims (1)
1. a kind of electronic brake device of vehicle, including master controller (1), motor (2), stop button switch (7), braking
Releasing button switch (8) and rack (3), the motor (2) are fixedly connected on rack (3), the stop button switch (7),
Brake release button switch (8) and motor (2) are electrically connected with master controller (1), it is characterised in that: are further included disk (4), connected
Bar (5), sliding block (6) and retaining mechanism (10), the disk (4) are fixedly connected on the output shaft (2-1) of motor (2) and have
Locking slot (4-1), the sliding block (6) are slidably connected on rack (3), the hinged radial direction in disk (4) in described connecting rod (5) one end
Outside edge part, the other end is hinged on sliding block (6), and the retaining mechanism (10) is electrically connected with master controller (1)；
The retaining mechanism (10) includes gas bag (11), electromagnetic gas valve (12), cylinder (13) and latch segment (14), the latch segment
(14) it is fixedly connected on the piston rod (13-1) of cylinder (13), P mouthfuls of the air inlet of the electromagnetic gas valve (12) and gas bag (11)
Connection, A mouthfuls of execution mouth of electromagnetic gas valve (12) are connected to the rod chamber of cylinder (13), electromagnetic gas valve (12) and master controller (1)
Electrical connection；
P mouthfuls of the air inlet gas channels to gas bag (11) of the electromagnetic gas valve (12) are equipped with Manual gas valve (15), Manual gas valve
(15) P mouthfuls of air inlet are connected to gas bag (11), the air inlet P of A mouthfuls of the execution mouth of Manual gas valve (15) and electromagnetic gas valve (12)
Mouth connection；
The locking slot (4-1) of the disk (4) has the first locking face (4-1-1) and the first vertical reference face (4-1-2), described
First locking face (4-1-1) and the angle in the first vertical reference face (4-1-2) are α, the latch segment of the retaining mechanism (10)
(14) there is the second locking face (14-1) and the second vertical reference face (14-2), second locking face (14-1) is vertical with second
The angle of datum level (14-2) is β, and has α=5 ° and β=5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134944.2A CN109334650A (en) | 2016-07-29 | 2016-07-29 | The higher vehicle electronic brake device of the degree of automation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134944.2A CN109334650A (en) | 2016-07-29 | 2016-07-29 | The higher vehicle electronic brake device of the degree of automation |
| CN201610610788.7A CN106114485B (en) | 2016-07-29 | 2016-07-29 | The electronic brake device of vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610788.7A Division CN106114485B (en) | 2016-07-29 | 2016-07-29 | The electronic brake device of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109334650A true CN109334650A (en) | 2019-02-15 |
Family
ID=57254950
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134946.1A Withdrawn CN109318882A (en) | 2016-07-29 | 2016-07-29 | Electronic brake device and its working method |
| CN201811134944.2A Pending CN109334650A (en) | 2016-07-29 | 2016-07-29 | The higher vehicle electronic brake device of the degree of automation |
| CN201610610788.7A Active CN106114485B (en) | 2016-07-29 | 2016-07-29 | The electronic brake device of vehicle |
| CN201811134910.3A Pending CN109318881A (en) | 2016-07-29 | 2016-07-29 | A kind of electronic brake device and its working method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134946.1A Withdrawn CN109318882A (en) | 2016-07-29 | 2016-07-29 | Electronic brake device and its working method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610788.7A Active CN106114485B (en) | 2016-07-29 | 2016-07-29 | The electronic brake device of vehicle |
| CN201811134910.3A Pending CN109318881A (en) | 2016-07-29 | 2016-07-29 | A kind of electronic brake device and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN109318882A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899684B (en) * | 2017-11-06 | 2021-01-05 | 张玲花 | Working method of driving device of pipeline detector |
| CN109519844A (en) * | 2018-11-20 | 2019-03-26 | 赵文富 | A kind of highway tunnel illumination equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996037372A1 (en) * | 1995-05-26 | 1996-11-28 | Tente-Rollen Gmbh & Co. | Rod system for actuating a holding brake |
| CN1390728A (en) * | 2001-06-13 | 2003-01-15 | 于斌堂 | Air-resilient brake system |
| CN1757947A (en) * | 2005-11-18 | 2006-04-12 | 清华大学 | Link lever type electronic mechanical brake (EMB) device |
| EP2093110A1 (en) * | 2008-02-20 | 2009-08-26 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Parking brake |
| CN201325442Y (en) * | 2008-12-19 | 2009-10-14 | 广西柳工机械股份有限公司 | Stopping brake device for loader |
| CN202480875U (en) * | 2011-12-30 | 2012-10-10 | 长城汽车股份有限公司 | Automobile hydraulic control parking mechanism |
| CN203528470U (en) * | 2013-08-30 | 2014-04-09 | 徐州重型机械有限公司 | Wheeled crane and parking braking system thereof |
| CN204403237U (en) * | 2015-01-28 | 2015-06-17 | 付长生 | The stuck braking device of beam-pumping unit underneath type |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09207731A (en) * | 1996-02-05 | 1997-08-12 | Aichi Mach Ind Co Ltd | Parking mechanism |
| JP2000210338A (en) * | 1999-01-20 | 2000-08-02 | Hitachi Chem Co Ltd | Wheel device for walking aid and self-walking supporting machine provided with the same |
| CN100429436C (en) * | 2005-11-18 | 2008-10-29 | 比亚迪股份有限公司 | Parking system for ATM type automatic-shift automobile and automobile equipped with same |
| FR2903362B1 (en) * | 2006-07-07 | 2008-08-29 | Peugeot Citroen Automobiles Sa | ELECTRIC PARKING BRAKE |
| CN101947953A (en) * | 2010-09-21 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Hydraulic automatic gear shifting and parking control system of electric vehicle |
| CN202016458U (en) * | 2010-11-26 | 2011-10-26 | 窦兰梅 | Automobile hydraulic parking brake device |
| CN102166964B (en) * | 2011-03-31 | 2012-10-10 | 浙江吉利汽车研究院有限公司 | Parking device of electric automobile |
| CN204355025U (en) * | 2014-11-21 | 2015-05-27 | 常州科研试制中心有限公司 | Railless free-wheeled vehicle power cutoff automatic parking system |
-
2016
- 2016-07-29 CN CN201811134946.1A patent/CN109318882A/en not_active Withdrawn
- 2016-07-29 CN CN201811134944.2A patent/CN109334650A/en active Pending
- 2016-07-29 CN CN201610610788.7A patent/CN106114485B/en active Active
- 2016-07-29 CN CN201811134910.3A patent/CN109318881A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996037372A1 (en) * | 1995-05-26 | 1996-11-28 | Tente-Rollen Gmbh & Co. | Rod system for actuating a holding brake |
| CN1390728A (en) * | 2001-06-13 | 2003-01-15 | 于斌堂 | Air-resilient brake system |
| CN1757947A (en) * | 2005-11-18 | 2006-04-12 | 清华大学 | Link lever type electronic mechanical brake (EMB) device |
| EP2093110A1 (en) * | 2008-02-20 | 2009-08-26 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Parking brake |
| CN201325442Y (en) * | 2008-12-19 | 2009-10-14 | 广西柳工机械股份有限公司 | Stopping brake device for loader |
| CN202480875U (en) * | 2011-12-30 | 2012-10-10 | 长城汽车股份有限公司 | Automobile hydraulic control parking mechanism |
| CN203528470U (en) * | 2013-08-30 | 2014-04-09 | 徐州重型机械有限公司 | Wheeled crane and parking braking system thereof |
| CN204403237U (en) * | 2015-01-28 | 2015-06-17 | 付长生 | The stuck braking device of beam-pumping unit underneath type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109318882A (en) | 2019-02-12 |
| CN106114485A (en) | 2016-11-16 |
| CN109318881A (en) | 2019-02-12 |
| CN106114485B (en) | 2018-12-28 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190215 |
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| WD01 | Invention patent application deemed withdrawn after publication |