CN201104254Y - Power dynamometer system for heavy-duty vehicle chassis - Google Patents

Power dynamometer system for heavy-duty vehicle chassis Download PDF

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Publication number
CN201104254Y
CN201104254Y CNU2007201495505U CN200720149550U CN201104254Y CN 201104254 Y CN201104254 Y CN 201104254Y CN U2007201495505 U CNU2007201495505 U CN U2007201495505U CN 200720149550 U CN200720149550 U CN 200720149550U CN 201104254 Y CN201104254 Y CN 201104254Y
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CN
China
Prior art keywords
dynamometer
heavy
central control
motors
motor
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.)
Expired - Fee Related
Application number
CNU2007201495505U
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Chinese (zh)
Inventor
周迪
周昆兵
陶臣军
吴瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beiqi Foton Motor Co Ltd
Original Assignee
Beiqi Foton Motor Co Ltd
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 Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CNU2007201495505U priority Critical patent/CN201104254Y/en
Application granted granted Critical
Publication of CN201104254Y publication Critical patent/CN201104254Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a brake dynamometer system for a heavy-duty car, comprising a central control system, two barrates and two brake dynamometer motors. The two barrates and the two brake dynamometer motors are arranged in symmetrical direct connection. The two barrates are rigidly connected via a shaft. The two brake dynamometer motors are symmetrically arranged on two sides of the two barrates, and are connected with the two barrates via a shaft joint respectively. The central control system receives the feedback information about the speed of the barrates and the torque of the brake dynamometer motors, meanwhile outputs control actuating signals to the brake dynamometer motors to realize the resistance setting of the brake dynamometer system.

Description

A kind of heavy-duty car chassis dynamometer system
Technical field
The utility model relates to the automotive performance proving installation, a kind of heavy-duty car chassis dynamometer system that provides in particular for heavy-duty car performance test alternating electromotive force chassis.
Background technology
Prior art adopts the chassis dynamometer scheme of bi-motor to take arranged in series more, as shown in Figure 1, that is: two motors 20 (20 ') are arranged in rotary drum 10 (10 ') homonymy, even symmetric arrangement, the form that also adopts two rotary drums 10 (10 ') to separate, as shown in Figure 2, that is: two motors 20 (20 ') are in two rotary drums 10 (10 ') both sides, form symmetry, but two rotary drums 10 (10 ') are not associated in together, the centre separates.These arrangement forms can't perfectly guarantee equalising torque the vehicle test process to have structure torsional oscillation and fatigure failure significantly on structural design.Equalising torque need further be guaranteed in the vehicle test process, and structure torsional oscillation and fatigure failure need further to reduce, and can do some improvement on the basis of existing rotary drum arrangement.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of heavy-duty car chassis dynamometer system is provided, adopt this system when the medium and heavy car that is 4.5 tons-35 tons is done performance test, accurate road load simulation or actual road test condition can be provided, and guaranteeing vehicle test process weight torque balance, structure torsional oscillation and fatigure failure are reduced to minimum.
For achieving the above object, the heavy-duty car chassis dynamometer system that the utility model provides, comprise central control system, two rotary drums and two dynamometer motors, it is characterized in that, described two rotary drums and two dynamometer motors are symmetrical direct connection and arrange, described two rotary drums are rigidly connected by axle, described two dynamometer motors are arranged symmetrically in described two rotary drum both sides and are connected with described two rotary drums respectively by shaft coupling, and output control pumping signal set for described dynamometer motor when described central control system received the torque feedback information of same of the speed of described rotary drum and dynamometer motor with the resistance of realizing dynamometer system.
Above-mentioned heavy-duty car chassis dynamometer system, it is characterized in that, one pull pressure sensor is installed on the described dynamometer motor, and connects described central control system, give described central control system with the torque information of feeding back described dynamometer motor via described pull pressure sensor.
Above-mentioned heavy-duty car chassis dynamometer system, it is characterized in that, one speed encoder also is installed between the rotary drum of described two symmetrical direct connections, and described speed encoder electrically connects described central control system, gives described central control system with the velocity information of feeding back described rotary drum.
Above-mentioned heavy-duty car chassis dynamometer system is characterized in that, described roller diameter is 75 inches.
Above-mentioned heavy-duty car chassis dynamometer system is characterized in that, the power of described dynamometer motor is 500HP.
Compared with prior art, the utility model adopts bi-motor, double rotating drum and two brake symmetry direct connection arrangement form to guarantee equalising torque the vehicle test process from structural design first, thereby makes structure torsional oscillation and fatigure failure be reduced to minimum.
Description of drawings
Fig. 1 is a prior art bi-motor chassis dynamometer arranged in series synoptic diagram;
Fig. 2 is that prior art bi-motor chassis dynamometer is arranged in parallel synoptic diagram;
Fig. 3 is that the utility model chassis dynamometer system is arranged synoptic diagram.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with drawings and Examples, with purpose, scheme and the effect of further understanding the utility model, but not as the restriction to the utility model claims protection domain.
Heavy-duty car chassis dynamometer system of the present utility model comprises two rotary drums 10 (10 ') that a central control system 1 and symmetrical direct connection distribute, two dynamometer motors 20 (20 '), described two rotary drums 10 (10 ') are rigidly connected by axle, two dynamometer motors 20 (20 ') are arranged symmetrically in two rotary drums 10 (10 ') both sides, and be connected with two rotary drums 10 (10 ') respectively by shaft coupling, and a pull pressure sensor 201 is housed also on each dynamometer motor 20 (20 '), this pull pressure sensor 201 electrically connects central control system 1, to measure corresponding torque.One speed encoder 101 also is installed between the rotary drum 10 (10 ') of described two symmetrical direct connections, and is electrically connected central control system 1 by this speed encoder 101.In process of the test, the rotating speed of the moment of torsion of dynamometer motor 20 (20 ') and rotary drum 10 (10 ') feeds back to central control system 1 by pull pressure sensor 201 and speed encoder 101 respectively, by central control system 1 new control pumping signal is exported to described dynamometer motor 20 (20 ') again, regulate exciting current, realize that the resistance of dynamometer system is set.
Two diameters of rotary drum 10 (10 ') employing in the utility model are 75 inches rotary drum, and dynamometer motor 10 (10 ') adopts the motor of two 500HP (horsepower).
Heavy-duty car chassis dynamometer system of the present utility model is integrated in the laboratory, for the tested vehicle on the rotary drum provides accurate road load simulation or actual road test condition.Dynamometer machine is installed in the melt pit, and when carrying out the test of automobile chassis performance, vehicle reaches rotary drum, and automotive wheel is symmetrically placed on two rotary drums, and centering also uses the vehicle device for fastening to clamp.Then, equipment will be simulated actual condition of road surface such as speed, moment of torsion, road load etc., make vehicle with real road travel operation under the identical condition, test.
When carrying out all performance tests of in-between car and carrying out the most performance test of heavy goods vehicles, do not need to realize extreme tractive force operating mode, this moment chassis dynamometer equipment the double rotating drum assembly, interchange vector motor/suction merit device by two 500 horsepowers drives, and carries out the road load simulation test by advanced person's PWM (pulse-length modulation of Pulse Width Modwtated. direct current generator) modulation technique.When carrying out the torsional moment test of the Daheng of heavy goods vehicles, except this interchange of two 500 horsepowers vector motor/suction merit device, equipment also uses two hydraulic type dynamometer Positorq TB85-18, and every is coupled with a motor separately, and the road load simulation is provided.Thus, the continuous tractive effort of required super large when system has response time fast and heavy goods vehicles test, tractive force can reach 110,000 newton.
Though the utility model discloses as above with a preferred embodiment; right its is not in order to limit the utility model; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims (5)

1. heavy-duty car chassis dynamometer system, comprise central control system, two rotary drums and two dynamometer motors, it is characterized in that, described two rotary drums and two dynamometer motors are symmetrical direct connection and arrange, described two rotary drums are rigidly connected by axle, described two dynamometer motors are arranged symmetrically in described two rotary drum both sides and are connected with described two rotary drums respectively by shaft coupling, and output control pumping signal was given described dynamometer motor when described central control system received the torque feedback information of same of the speed of described rotary drum and dynamometer motor.
2. heavy-duty car chassis dynamometer system according to claim 1 is characterized in that, a pull pressure sensor is installed on the described dynamometer motor, and connects described central control system via described pull pressure sensor.
3. heavy-duty car chassis dynamometer system according to claim 1 is characterized in that, a speed encoder also is installed between the rotary drum of described two symmetrical direct connections, and described speed encoder connects described central control system.
4. according to claim 1 or 3 described heavy-duty car chassis dynamometer system, it is characterized in that described roller diameter is 75 inches.
5. heavy-duty car chassis dynamometer system according to claim 1 and 2 is characterized in that, the power of described dynamometer motor is 500HP.
CNU2007201495505U 2007-06-08 2007-06-08 Power dynamometer system for heavy-duty vehicle chassis Expired - Fee Related CN201104254Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201495505U CN201104254Y (en) 2007-06-08 2007-06-08 Power dynamometer system for heavy-duty vehicle chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201495505U CN201104254Y (en) 2007-06-08 2007-06-08 Power dynamometer system for heavy-duty vehicle chassis

Publications (1)

Publication Number Publication Date
CN201104254Y true CN201104254Y (en) 2008-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201495505U Expired - Fee Related CN201104254Y (en) 2007-06-08 2007-06-08 Power dynamometer system for heavy-duty vehicle chassis

Country Status (1)

Country Link
CN (1) CN201104254Y (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102136318A (en) * 2011-01-07 2011-07-27 山东电力集团公司超高压公司 Novel sleeve casing for cable of primary equipment
CN103148973A (en) * 2013-03-08 2013-06-12 青岛科技大学 Novel drive control system of chassis dynamometer
CN103662444A (en) * 2012-08-31 2014-03-26 成都弥荣科技发展有限公司 Improved structure of automobile chassis dynamometer rotary drum storage device
CN103940619A (en) * 2014-04-11 2014-07-23 宝克(无锡)测试设备有限公司 Rotating drum testing system for automobile adjusting
CN104849065A (en) * 2014-12-22 2015-08-19 北汽福田汽车股份有限公司 Mountain road simulating test method and device for vehicle
CN105651437A (en) * 2016-03-17 2016-06-08 中国人民解放军装甲兵工程学院 Track-laying vehicle chassis dynamometer
CN106208833A (en) * 2016-09-23 2016-12-07 北京乾勤科技发展有限公司 DC brushless motor Daheng's torque control method
CN109975034A (en) * 2019-04-19 2019-07-05 重庆凯瑞汽车试验设备开发有限公司 A kind of Heavy-duty chassis dynamometer road resistance analog control system and method
CN110806322A (en) * 2019-12-12 2020-02-18 重庆凯瑞汽车试验设备开发有限公司 Multi-motor mode chassis dynamometer
CN111238827A (en) * 2020-02-03 2020-06-05 中山市德思泰车辆检测科技有限公司 Heavy-duty vehicle chassis dynamometer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102136318A (en) * 2011-01-07 2011-07-27 山东电力集团公司超高压公司 Novel sleeve casing for cable of primary equipment
CN103662444A (en) * 2012-08-31 2014-03-26 成都弥荣科技发展有限公司 Improved structure of automobile chassis dynamometer rotary drum storage device
CN103148973A (en) * 2013-03-08 2013-06-12 青岛科技大学 Novel drive control system of chassis dynamometer
CN103148973B (en) * 2013-03-08 2015-07-22 青岛科技大学 Novel drive control system of chassis dynamometer
CN103940619A (en) * 2014-04-11 2014-07-23 宝克(无锡)测试设备有限公司 Rotating drum testing system for automobile adjusting
CN104849065A (en) * 2014-12-22 2015-08-19 北汽福田汽车股份有限公司 Mountain road simulating test method and device for vehicle
CN105651437A (en) * 2016-03-17 2016-06-08 中国人民解放军装甲兵工程学院 Track-laying vehicle chassis dynamometer
CN106208833A (en) * 2016-09-23 2016-12-07 北京乾勤科技发展有限公司 DC brushless motor Daheng's torque control method
CN106208833B (en) * 2016-09-23 2019-09-24 北京乾勤科技发展有限公司 DC brushless motor most Daheng's torque control method
CN109975034A (en) * 2019-04-19 2019-07-05 重庆凯瑞汽车试验设备开发有限公司 A kind of Heavy-duty chassis dynamometer road resistance analog control system and method
CN110806322A (en) * 2019-12-12 2020-02-18 重庆凯瑞汽车试验设备开发有限公司 Multi-motor mode chassis dynamometer
CN111238827A (en) * 2020-02-03 2020-06-05 中山市德思泰车辆检测科技有限公司 Heavy-duty vehicle chassis dynamometer

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080820

Termination date: 20150608