CN205022382U - Vehicle device to limit speed - Google Patents
Vehicle device to limit speed Download PDFInfo
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- CN205022382U CN205022382U CN201520650662.3U CN201520650662U CN205022382U CN 205022382 U CN205022382 U CN 205022382U CN 201520650662 U CN201520650662 U CN 201520650662U CN 205022382 U CN205022382 U CN 205022382U
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Abstract
The utility model provides a vehicle device to limit speed belongs to car technical field. It has solved the current lower problem of technological information monitoring accuracy. This vehicle device to limit speed is including being used for gathering travel in real time speed information's speed sensor of vehicle, an exceed the speed limit and remind the mechanism that is used for being greater than at the real - time speed who gathers and sends the hypervelocity signal when vehicle traveles highway section speed limit value, an engine execution unit that thereby, is used for sending speed limit control signal when receiving the hypervelocity signal ECU with be used for receiving speed limit control signal and carry out the restriction moment of torsion and reduce the speed of a motor vehicle to restriction value, speed sensor is connected with the input of reminding the mechanism that exceeds the speed limit, the output of reminding the mechanism that exceeds the speed limit is connected with ECU's input, ECU's output and engine execution unit's input are connected. Thereby this vehicle device to limit speed can accurate collection vehicle speed limit information with the vehicle velocity volitional check in the speed limit range of value.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of speed-limiting device for vehicles, particularly a kind of speed-limiting device for vehicles that automatically speed can be dropped to speed limit when overspeed of vehicle.
Background technology
As everyone knows, drive over the speed limit very big for social danger, and easily cause traffic accident and then cause the tragedy of car crash.News once reported that a BMW car was on the road of speed limit 60km/h, exceed the speed limit to 170km/h and rushed red light, cause great impulsive force, directly the Mazda car that normally travels is hit into two, and it is large owing to impacting, safety strap on the car of Mazda and air bag lose effect, cause Mazda sedan-chair passengers inside the car all wrecked, if imagination BMW on the road of speed limit 60km/h is made by technological means, the speed of a motor vehicle is the highest can only maintain 60km/h, even if so there occurs collision, the impact caused will be much little, safety strap when the time comes in the Car of Mazda, air bag can both normally play a role, although so still there occurs accident, but but greatly reduce the probability of personal casualty.And vehicle in the market has much all possessed overspeed prompting function, but whether exceed the speed limit and still depend on the subjective will of chaufeur itself, even if overspeed prompting, chaufeur still can be driven over the speed limit.
For above-mentioned Problems existing, existing Chinese patent literature discloses a kind of vehicle speed limit control system [application number: CN200910251577.9], comprises MCU control module, speed sensor; Speed limit recognition system, the real-time measured automobiles moving velocity of speed sensor, it exports real time running speed data of automobile and connects MCU control module, and the identification of speed limit recognition system is arranged at the mark of relevant speed limit on both sides of the road, and exports Maximum speed limit numerical value and connect MCU control module; The automobile driving speed that speed sensor described in MCU control module receives is measured in real time is compared with the Maximum speed limit that speed limit recognition system exports, if Maximum speed limit is less than real-time bus moving velocity mutually, then carries out speed limit process.Compare with the real-time speed of a motor vehicle although this invention can utilize speed limit recognition system to gather speed limitation board numerical value, MCU control module is automatic regulation speed directly, but this invention Information Monitoring difficulty is comparatively large, and speed limitation board basic setup by the road, during collection, other shelters are more, and Information Monitoring accuracy rate is lower.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of speed-limiting device for vehicles, and this speed-limiting device for vehicles technical matters to be solved is: how when overspeed of vehicle by car speed volitional check within the scope of speed limit.
The purpose of this utility model realizes by following technical proposal: a kind of speed-limiting device for vehicles, it is characterized in that, described speed-limiting device for vehicles comprises the car speed sensor for collection vehicle real time running velocity information, the overspeed prompting mechanism of overspeed signal is sent during for being greater than vehicle running section speed limit in the real-time speed of a motor vehicle gathered, for send when receiving overspeed signal Control for Speed Limitation signal ECU and for receiving Control for Speed Limitation signal and performing torque limiting thus reduce the speed of a motor vehicle to the driving engine performance element of limits value, described car speed sensor is connected with the input end of overspeed prompting mechanism, the described mouth of overspeed prompting mechanism is connected with the input end of ECU, the mouth of described ECU is connected with the input end of driving engine performance element.
Car speed sensor in this speed-limiting device for vehicles gathers the moving velocity of vehicle in real time and the signal of collection is flowed to overspeed prompting mechanism, the current location information of overspeed prompting mechanism Real-time Obtaining vehicle, and according to the electronic map database of storage inside, obtain the upper limit vehicle speed value of the current residing road section of described vehicle, restricting signal is sent to ECU when vehicle current driving speed is greater than this upper limit vehicle speed value, ECU sends Control for Speed Limitation signal to driving engine performance element according to the signal received, driving engine performance element carries out torque limiting measure, make vehicle that speed is dropped to speed limit, controlled by this, even if chaufeur continues open out again, the speed of a motor vehicle is still the highest can only reach speed limit, cannot continue again to promote, thus serve the effect of speed limit.Along with the use of this speed-limiting device for vehicles plays good effect for the life security of people, greatly reduce the incidence of contingency, also substantially increase the probability of surviving of mis-use breakdown vehicle crew even if having an accident.
In above-mentioned speed-limiting device for vehicles, described driving engine performance element comprise engine controller and be connected with the mouth of engine controller for limiting vehicle torque thus reducing the Xian Niu mechanism of the speed of a motor vehicle.
In above-mentioned speed-limiting device for vehicles, described Xian Niu mechanism comprises drive motor, for reducing Engine Injection Mass thus reducing the accelerator rod of moment of torsion that provides of driving engine and the extensible member for the driving lower limit accelerator rod displacement range at drive motor, the input end of described drive motor is connected with the mouth of engine controller, and output shaft and the extensible member of described drive motor are in transmission connection.
In engine operation process, Das Gaspedal changes the position of injection pump throttle plunger by accelerator rod, and then regulate the fuel charge of injection pump, when overspeed of vehicle, drive motor drives extensible member to extend and then limits the displacement range of accelerator rod, by the displacement of accelerator rod is diminished, the fuel charge of driving engine can be reduced, thus the moment of torsion that provides of driving engine is provided and then reduces the speed of a motor vehicle, when the speed of a motor vehicle is reduced in limited field, extensible member is shortened, no longer limit the displacement range of accelerator rod, displacement range becomes large, the moment of torsion that driving engine provides also increases thereupon, vehicle recovers normal and travels.
In above-mentioned speed-limiting device for vehicles, described speed-limiting device for vehicles also comprises the camera for gathering road surface speed limit identification information, and described camera and car speed sensor are all connected to the input end of described ECU.ECU is used for the speed limit identification information that the moving velocity collected and camera absorb to compare, and exports Control for Speed Limitation signal when judging that moving velocity is greater than speed limit identification information; In this speed-limiting device for vehicles, increase camera picked-up speed limit identification information, the information sent with overspeed prompting mechanism can not clash, as long as information conforms condition all can realize limiting vehicle speed operation, improves the accuracy rate of speed limit operation.
In above-mentioned speed-limiting device for vehicles, described camera is arranged on the midway location of front bumper.Midway location camera being arranged front bumper can improve the accuracy rate of Information Monitoring.
In above-mentioned speed-limiting device for vehicles, described speed-limiting device for vehicles also comprises the pressure sensor for gathering Das Gaspedal pressure information, and described pressure sensor is connected with the input end of ECU.If ECU is used for judging that after receiving hypervelocity information vehicle is as continuing acceleration mode, exports Control for Speed Limitation information, increase pressure sensor and detect Das Gaspedal pressure information, can judge whether car owner reduces the speed of a motor vehicle automatically when hearing speed limit reminding, avoid repeating, increase unnecessary trouble, also improve the accuracy rate of speed limit operation.
In above-mentioned speed-limiting device for vehicles, the controller that described overspeed prompting mechanism comprises memory device for storing road information and each road section upper limit vehicle speed value information, exceed the speed limit for the information judging whether receiving car speed sensor collection and the reminiscences for sending overspeed prompting information, described memory device is all connected with controller with reminiscences, and above-mentioned car speed sensor is connected with controller.Controller in overspeed prompting mechanism is when receiving the speed information that car speed sensor gathers, the upper limit speed information stored in speed information and memory device is compared, overspeed of vehicle is judged as when speed information is greater than upper limit speed information, then send overspeed prompting information and carry out voice reminder to reminiscences, send overspeed signal to ECU simultaneously, make ECU make corresponding operating, by speed limit in the upper limit vehicle speed value of each road section, improve the safety of driving.
In above-mentioned speed-limiting device for vehicles, described overspeed prompting mechanism is GPS navigation equipment.GPS navigation equipment can be the existing equipment of vehicle, can realize automatic speed-limiting function by corresponding change.
Compared with prior art, this speed-limiting device for vehicles has the following advantages:
1, the utility model can be made a response when overspeed of vehicle, torque limiting measure is carried out to driving engine, make vehicle that speed is dropped to speed limit, controlled by this, even if chaufeur continues open out again, the speed of a motor vehicle is still the highest can only reach speed limit, cannot promote in continuation, thus serve the effect of speed limit, reduce the potential safety hazard exceeding the speed limit and bring.
2, the utility model directly can increase automatic speed-limiting function on the basis of existing overspeed prompting function, changes little, and structure is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, car speed sensor; 2, overspeed prompting mechanism; 2a, controller; 2b, memory device; 2c, reminiscences; 3, ECU; 4, driving engine performance element; 4a, engine controller; 4b, Xian Niu mechanism; 5, camera; 6, pressure sensor.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this speed-limiting device for vehicles comprises the car speed sensor 1 for collection vehicle real time running velocity information, be connected with car speed sensor 1 for being greater than vehicle running section speed limit in the real-time speed of a motor vehicle gathered time send the overspeed prompting mechanism 2 of overspeed signal, be connected with overspeed prompting mechanism 2 for send when receiving overspeed signal Control for Speed Limitation signal ECU3 and be connected with the mouth of ECU3 for receiving Control for Speed Limitation signal and performing torque limiting measure thus reduce the driving engine performance element 4 of the speed of a motor vehicle to limits value, driving engine performance element 4 comprise engine controller 4a and be connected with the mouth of engine controller 4a for limiting vehicle torque thus reducing the Xian Niu mechanism 4b of the speed of a motor vehicle, Xian Niu mechanism 4b comprises drive motor, for reducing Engine Injection Mass thus reducing the accelerator rod of moment of torsion that provides of driving engine and the extensible member for the driving lower limit accelerator rod displacement range at drive motor, the input end of drive motor is connected with the mouth of engine controller 4a, output shaft and the extensible member of drive motor are in transmission connection.Driving engine is in operation process, Das Gaspedal changes the position of injection pump throttle plunger by accelerator rod, and then regulate the fuel charge of injection pump, when overspeed of vehicle, drive motor drives extensible member to extend and then limits the displacement range of accelerator rod, by the displacement of accelerator rod is diminished, the fuel charge of driving engine can be reduced, thus the moment of torsion that provides of driving engine is provided and then reduces the speed of a motor vehicle, when the speed of a motor vehicle is reduced in limited field, extensible member is shortened, no longer limit the displacement range of accelerator rod, displacement range becomes large, the moment of torsion that driving engine provides also increases thereupon, vehicle recovers normal and travels.
Specifically,
As preferably, the screw that extensible member comprises push rod, leading screw and coordinates with leading screw, leading screw is coaxially connected with drive motor output shaft, screw is fixedly connected with push rod, when drive motor drives extensible member to be stretched to the first preset length, push rod can touch accelerator rod and limit the displacement range of accelerator rod.Wherein leading screw coordinates with screw and rotation can be converted to straight-line motion, leading screw and motor output shaft synchronous axial system, and screw mandrel and screw do straight-line motion jointly, thus realizes the flexible of extensible member.
Preferably, speed-limiting device for vehicles also comprises the camera 5 for gathering road surface speed limit identification information, and camera 5 and car speed sensor 1 are all connected to the input end of ECU3.Camera 5 is arranged on the midway location of front bumper.Midway location camera 5 being arranged front bumper can improve the accuracy rate of Information Monitoring.ECU3 is used for the speed limit identification information that the moving velocity collected and camera 5 absorb to compare, and exports Control for Speed Limitation signal when judging that moving velocity is greater than speed limit identification information; In this speed-limiting device for vehicles, increase camera 5 absorb speed limit identification information, the information sent with overspeed prompting mechanism 2 can not clash, as long as information conforms condition all can realize limiting vehicle speed operation, improves the accuracy rate of speed limit operation.
As preferably, speed-limiting device for vehicles also comprises the pressure sensor 6 for gathering Das Gaspedal pressure information, and pressure sensor 6 is connected with the input end of ECU3.If ECU3 is used for judging that after receiving hypervelocity information vehicle is as continuing acceleration mode, exports Control for Speed Limitation information, increase pressure sensor 6 and detect Das Gaspedal pressure information, can judge whether car owner reduces the speed of a motor vehicle automatically when hearing speed limit reminding, avoid repeating, increase unnecessary trouble, also improve the accuracy rate of speed limit operation.
Overspeed prompting mechanism 2 comprises memory device 2b for storing road information and each road section upper limit vehicle speed value information, for receiving information that car speed sensor 1 gathers and judging whether the controller 2a that exceeds the speed limit and the reminiscences 2c for sending overspeed prompting information, memory device 2b is all connected with controller 2a with reminiscences 2c, and car speed sensor 1 is connected with controller 2a.Controller 2a in overspeed prompting mechanism 2 is when receiving the speed information that car speed sensor 1 gathers, the upper limit speed information stored in speed information and memory device 2b is compared, overspeed of vehicle is judged as when speed information is greater than upper limit speed information, then send overspeed prompting information and carry out voice reminder to reminiscences 2c, send overspeed signal to ECU3 simultaneously, make ECU3 make corresponding operating, by speed limit in the upper limit vehicle speed value of each road section, improve the safety of driving.
As preferably, overspeed prompting mechanism 2 is the radio signal that GPS navigation equipment or cyberdog etc. send by receiving road administration system, after demodulation, Maximum speed limit data is sent to internal controller 2a and then sends overspeed signal to the electronic machine of ECU3.
As shown in Figure 1, in the present embodiment, car speed sensor 1 in real time measured automobiles moving velocity and driving speed information is sent to overspeed prompting mechanism 2 and ECU3 respectively, after overspeed prompting mechanism 2 receives information, the upper limit vehicle speed value of driving speed information and storage inside is compared, when driving speed information is greater than upper limit vehicle speed value, controller 2a judges that vehicle is as hypervelocity, then send overspeed prompting signal and carry out hypervelocity voice reminder to reminiscences 2c, overspeed signal is sent to ECU3 simultaneously, now, ECU3 also receives the road surface speed limit identification information absorbed by camera 5, the driving speed information gather car speed sensor 1 and road surface speed limit identification information compare, hypervelocity is judged as when travelling velocity amplitude and being greater than speed limit ident value, now ECU3 is judging that vehicle is overspeed condition or receives overspeed prompting signal, as long as ECU3 judges the signal that pressure sensor 6 is carried when wherein having a kind of signal to set up, at the signal that pressure sensor 6 is carried for sending Control for Speed Limitation signal to driving engine performance element 4 when continuing Acceleration Signal, the measure of moment of torsion is restricted by driving engine performance element 4, Vehicle Speed is reduced to speed limit by torque limiting, even if chaufeur continues open out, the speed of a motor vehicle is still the highest can only reach speed limit, ensure that vehicle travels in regulation vehicle speed range, improve the safety of driving, reduce because of the accident rate caused that exceeds the speed limit.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. a speed-limiting device for vehicles, it is characterized in that, described speed-limiting device for vehicles comprises the car speed sensor (1) for collection vehicle real time running velocity information, the overspeed prompting mechanism (2) of overspeed signal is sent during for being greater than vehicle running section speed limit in the real-time speed of a motor vehicle gathered, for send when receiving overspeed signal Control for Speed Limitation signal ECU (3) and for receiving Control for Speed Limitation signal and performing torque limiting thus reduce the speed of a motor vehicle to the driving engine performance element (4) of limits value, described car speed sensor (1) is connected with the input end of overspeed prompting mechanism (2), the mouth of described overspeed prompting mechanism (2) is connected with the input end of ECU (3), the mouth of described ECU (3) is connected with the input end of driving engine performance element (4).
2. speed-limiting device for vehicles according to claim 1, it is characterized in that, described driving engine performance element (4) comprise engine controller (4a) and be connected with the mouth of engine controller (4a) for limiting vehicle torque thus reducing the Xian Niu mechanism (4b) of the speed of a motor vehicle.
3. speed-limiting device for vehicles according to claim 2, it is characterized in that, described Xian Niu mechanism (4b) comprises drive motor, for reducing Engine Injection Mass thus reducing the accelerator rod of moment of torsion that provides of driving engine and the extensible member for the driving lower limit accelerator rod displacement range at drive motor, the input end of described drive motor is connected with the mouth of engine controller (4a), and output shaft and the extensible member of described drive motor are in transmission connection.
4. the speed-limiting device for vehicles according to claim 1 or 2 or 3, it is characterized in that, described speed-limiting device for vehicles also comprises the camera (5) for gathering road surface speed limit identification information, and described camera (5) and car speed sensor (1) are all connected to the input end of described ECU (3).
5. speed-limiting device for vehicles according to claim 4, is characterized in that, described camera (5) is arranged on the midway location of front bumper.
6. the speed-limiting device for vehicles according to claim 1 or 2 or 3, it is characterized in that, described speed-limiting device for vehicles also comprises the pressure sensor (6) for gathering Das Gaspedal pressure information, and described pressure sensor (6) is connected with the input end of ECU (3).
7. speed-limiting device for vehicles according to claim 4, it is characterized in that, described speed-limiting device for vehicles also comprises the pressure sensor (6) for gathering Das Gaspedal pressure information, and described pressure sensor (6) is connected with the input end of ECU (3).
8. speed-limiting device for vehicles according to claim 1, it is characterized in that, described overspeed prompting mechanism (2) comprises memory device (2b) for storing road information and each road section upper limit vehicle speed value information, for receiving information that car speed sensor (1) gathers and judging whether the controller (2a) that exceeds the speed limit and the reminiscences (2c) for sending overspeed prompting information, described memory device (2b) is all connected with controller (2a) with reminiscences (2c), and above-mentioned car speed sensor (1) is connected with controller (2a).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520650662.3U CN205022382U (en) | 2015-08-26 | 2015-08-26 | Vehicle device to limit speed |
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| CN201520650662.3U CN205022382U (en) | 2015-08-26 | 2015-08-26 | Vehicle device to limit speed |
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| CN205022382U true CN205022382U (en) | 2016-02-10 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799511A (en) * | 2016-04-25 | 2016-07-27 | 浙江合众新能源汽车有限公司 | Speed-limit alarm device and method suitable for automobile |
| CN105946620A (en) * | 2016-06-07 | 2016-09-21 | 北京新能源汽车股份有限公司 | Electric automobile and active speed-limiting control method and system thereof |
| CN106846824A (en) * | 2017-03-24 | 2017-06-13 | 中冶南方城市建设工程技术有限公司 | A kind of automatic lifting speed-limiting device and its control method |
| CN106985667A (en) * | 2017-03-28 | 2017-07-28 | 苏州工业园区职业技术学院 | A kind of automatic speed-limiting control system for automobile |
| CN107867179A (en) * | 2016-09-23 | 2018-04-03 | 比亚迪股份有限公司 | A kind of limiting vehicle speed control method and control system and vehicle |
| CN108447145A (en) * | 2018-03-09 | 2018-08-24 | 微贷（杭州）金融信息服务有限公司 | Mortgage vehicle GPS data processing system and GPS data processing method |
| CN109166328A (en) * | 2018-08-28 | 2019-01-08 | 中铁第四勘察设计院集团有限公司 | A kind of operation control system and method based on rubber tire virtual rail train |
| CN109598948A (en) * | 2019-01-16 | 2019-04-09 | 谢宝建 | A kind of new vehicle automatic segmentation speed limit solution |
| CN109703559A (en) * | 2017-10-25 | 2019-05-03 | 上海汽车集团股份有限公司 | A kind of limiting vehicle speed method of controlling security and device |
| CN109733196A (en) * | 2019-01-30 | 2019-05-10 | 深圳鸿鹏新能源科技有限公司 | Vehicle and its active safety control method and apparatus |
| CN111483316A (en) * | 2019-01-29 | 2020-08-04 | 郑州宇通客车股份有限公司 | Vehicle and speed limit control method and device thereof |
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2015
- 2015-08-26 CN CN201520650662.3U patent/CN205022382U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799511A (en) * | 2016-04-25 | 2016-07-27 | 浙江合众新能源汽车有限公司 | Speed-limit alarm device and method suitable for automobile |
| CN105946620A (en) * | 2016-06-07 | 2016-09-21 | 北京新能源汽车股份有限公司 | Electric automobile and active speed-limiting control method and system thereof |
| CN107867179A (en) * | 2016-09-23 | 2018-04-03 | 比亚迪股份有限公司 | A kind of limiting vehicle speed control method and control system and vehicle |
| CN106846824A (en) * | 2017-03-24 | 2017-06-13 | 中冶南方城市建设工程技术有限公司 | A kind of automatic lifting speed-limiting device and its control method |
| CN106846824B (en) * | 2017-03-24 | 2023-07-25 | 中冶南方城市建设工程技术有限公司 | Automatic lifting speed limiting device and control method thereof |
| CN106985667A (en) * | 2017-03-28 | 2017-07-28 | 苏州工业园区职业技术学院 | A kind of automatic speed-limiting control system for automobile |
| CN109703559B (en) * | 2017-10-25 | 2020-09-29 | 上海汽车集团股份有限公司 | Vehicle speed limit safety control method and device |
| CN109703559A (en) * | 2017-10-25 | 2019-05-03 | 上海汽车集团股份有限公司 | A kind of limiting vehicle speed method of controlling security and device |
| CN108447145A (en) * | 2018-03-09 | 2018-08-24 | 微贷（杭州）金融信息服务有限公司 | Mortgage vehicle GPS data processing system and GPS data processing method |
| CN109166328A (en) * | 2018-08-28 | 2019-01-08 | 中铁第四勘察设计院集团有限公司 | A kind of operation control system and method based on rubber tire virtual rail train |
| CN109598948A (en) * | 2019-01-16 | 2019-04-09 | 谢宝建 | A kind of new vehicle automatic segmentation speed limit solution |
| CN111483316A (en) * | 2019-01-29 | 2020-08-04 | 郑州宇通客车股份有限公司 | Vehicle and speed limit control method and device thereof |
| CN109733196A (en) * | 2019-01-30 | 2019-05-10 | 深圳鸿鹏新能源科技有限公司 | Vehicle and its active safety control method and apparatus |
| CN109733196B (en) * | 2019-01-30 | 2021-03-16 | 昆山宝创新能源科技有限公司 | Vehicle and active safety control method and device thereof |
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