CN105510894A - Calibrating apparatus for radar tachometers for motor vehicles - Google Patents
Calibrating apparatus for radar tachometers for motor vehicles Download PDFInfo
- Publication number
- CN105510894A CN105510894A CN201610103765.7A CN201610103765A CN105510894A CN 105510894 A CN105510894 A CN 105510894A CN 201610103765 A CN201610103765 A CN 201610103765A CN 105510894 A CN105510894 A CN 105510894A
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- motor
- speed
- speeds
- calibrating apparatus
- radar
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a calibrating apparatus for radar tachometers for motor vehicles. The calibrating apparatus comprises a framework and a motor. The motor is fixedly arranged on the framework, a main drum and an auxiliary drum are further arranged on the framework, the main drum is in transmission connection with the motor, and the auxiliary drum is in transmission connection with the main drum by a synchronous belt; a plurality of metal strips which are uniformly distributed are fixedly arranged on the peripheral surface of the synchronous belt along operation directions and can horizontally move on up-down planes of the synchronous belt; the speeds of the motor can be steplessly regulated by the aid of frequency conversion technologies, running speeds of the test vehicles can be simulated by horizontal movement linear speeds of the metal strips, the horizontal movement linear speeds of the metal strips can be displayed on a display by a main control panel and can be compared to speeds measured by the radar tachometers aligned with the metal strips, and speed errors between the speeds and the horizontal movement linear speeds can be computed. The calibrating apparatus has the technical advantages that speed values, which range from 20 km/h to 180 km/h, of various calibration points can be precisely tested by the calibrating apparatus, the radar tachometers on optional road sections can be tested, the speed calibration points can be calibrated in high-speed periods, the calibrating apparatus is good in repeatability, potential safety hazards can be prevented when the test vehicles run, and the calibrating apparatus can be used for calibrating speed measurement in fields instead of the test vehicles.
Description
Technical field
The present invention relates to a kind of checkout equipment of knotmeter, particularly relate to a kind of motor vehicle radar velocity measurement instrument inspection instrument.
Background technology
According to the regulation of national metrological verification regulations JJG527-2015 " fixed automotive vehicle radar meter " with JJG528-2015 " portable motor vehicle radar meter ": the scene scope of testing the speed of radar meter is 20 ~ 180km/h, the calibrating of on-the-spot velocity error is at the uniform velocity travelled with tested velocity amplitude (20 ~ 180km/h) by the instruction carriage that standard knotmeter is housed, standard knotmeter is measured and is shown instruction carriage by velocity amplitude during surveyed area, and radar meter carries out velocity survey to instruction carriage simultaneously.Speed point (7 standard speed values of examining and determine first, wherein 20km/h, 60km/h, 120km/h, 180km/h each point must be examined and determine) be 50%, about 100% of speed limit, carry out at least 2 calibratings to each tested velocity amplitude, each in-site measurement range rate error all meets the requirement of 5.4.The speed point of follow-up calibrating is about 100% of speed limit, and carry out at least 3 calibratings, each on-the-spot range rate error all meets the requirement of 5.4.Prior art employing instruction carriage carries out calibration operation and there is following shortcoming: instruction carriage driver accurately cannot control the standard speed value of respectively examining and determine when vehicle travels a little; Certificate test car speed per hour will reach 180km/h, there is very large danger; Instruction carriage cannot carry out the detection of identical speed for 5 times at 7 measurement points of same speed, therefore cannot examine and determine reproducibility error; And at present instruction carriage self speed of a motor vehicle be the speed of a motor vehicle that measured by GPS as the benchmark speed of a motor vehicle, but in tunnel, instruction carriage cannot receive satellite-signal, also just cannot carry out calibration or verification radar meter with instruction carriage as standard.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art exactly, provides a kind of energy accurate control rate value, can examine and determine reproducibility error, security well and can carry out the motor vehicle radar velocity measurement instrument inspection instrument examined and determine in any section.
The present invention solves the problems of the technologies described above adopted technical scheme: motor vehicle radar velocity measurement instrument inspection instrument, comprise frame and motor, described motor is fixedly installed in frame, frame is also provided with master rotor and auxiliary cylinder, described master rotor is connected with motor-driven, and described auxiliary cylinder is in transmission connection by Timing Belt and master rotor; Be fixedly installed some uniform bonding jumpers at the outer peripheral face of described Timing Belt along rotation direction, described bonding jumper does tangential movement at the lower planes of Timing Belt; Described motor adopts the stepless time adjustment of converter technique control realization, utilize the travel speed of the linear velocity simulation test car of bonding jumper tangential movement, the linear velocity of bonding jumper tangential movement to be shown by display by master control borad and aims at the speed that bonding jumper measures with radar meter and compares, and calculates their velocity error.
The technique effect that the present invention is useful is: the present invention adopts converter technique to control motor, Timing Belt is operated by the velocity amplitude (20 ~ 180km/h) of each standard points, the instruction carriage of running at high speed is simulated by the bonding jumper on Timing Belt, when the traffic direction of bonding jumper on radar meter alignment probe Timing Belt, when the linear velocity speed per hour of Timing Belt being detected, just the detection speed of the control rate of calibrating instrument and radar can be compared, calculate their velocity error, meet the calibrating requirement of JJG527-2015 " fixed automotive vehicle radar meter ".The present invention can respectively examine and determine velocity amplitude a little by high precision measurement 20 ~ 180km/h, the radar meter in any section can be tested, speed calibrating point during high speed can be examined and determine, reproducible, solve the potential safety hazard existed when test bus or train route is run, instruction carriage can be replaced to carry out scene and to test the speed calibrating.
Accompanying drawing explanation
Fig. 1: be structural representation of the present invention;
Fig. 2: be the structural representation of lifting floor truck of the present invention;
Fig. 3: be electrical principle block diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in figures 1 and 3, motor vehicle radar velocity measurement instrument inspection instrument, comprise frame 6 and motor 5, described motor 5 is fixedly installed in frame 6, frame 6 is also provided with master rotor 4 and auxiliary cylinder 7, described master rotor 4 is in transmission connection with motor 5, and described auxiliary cylinder 7 is in transmission connection by Timing Belt 3 and master rotor 4; Be fixedly installed some uniform bonding jumpers 2 at the outer peripheral face of described Timing Belt 3 along rotation direction, described bonding jumper 2 does tangential movement at the lower planes of Timing Belt 3; Described motor 5 adopts the stepless time adjustment of converter technique control realization, utilize the travel speed of the linear velocity simulation test car of bonding jumper 2 tangential movement, the linear velocity of bonding jumper 2 tangential movement to be shown by display by master control borad and aims at the speed that bonding jumper 2 measures with radar meter 1 and compares, and calculates their velocity error.
Described bonding jumper 2 is aluminum strip, is provided with 4-6 bar, is preferably set to 5.
As shown in Figure 2, the present invention also configures an independently calibrating instrument lifting floor truck, and described lifting floor truck comprises the stand 8 and base 9 that are fixedly connected with, is provided with pulley blocks 10 at stand 8 top, stand 8 is provided with hand winch 11, and one end of twisted rope 12 is provided with hanging hook assembly 13; The bottom of described base 9 is provided with trundle 14.Lifting floor truck, when carrying calibrating instrument, effectively can alleviate the labour intensity of staff.
Described stand 8 and base 9 are set to demountable structure, are bolted to connection.Such structure is convenient carries out dismounting and transport to lifting floor truck.
Claims (4)
1. motor vehicle radar velocity measurement instrument inspection instrument, it is characterized in that: comprise frame and motor, described motor is fixedly installed in frame, and frame is also provided with master rotor and auxiliary cylinder, described master rotor is connected with motor-driven, and described auxiliary cylinder is in transmission connection by Timing Belt and master rotor; Be fixedly installed some uniform bonding jumpers at the outer peripheral face of described Timing Belt along rotation direction, described bonding jumper does tangential movement at the lower planes of Timing Belt; Described motor adopts the stepless time adjustment of converter technique control realization, utilize the travel speed of the linear velocity simulation test car of bonding jumper tangential movement, the linear velocity of bonding jumper tangential movement to be shown by display by master control borad and aims at the speed that bonding jumper measures with radar meter and compares, and calculates their velocity error.
2. motor vehicle radar velocity measurement instrument inspection instrument according to claim 1, is characterized in that: described bonding jumper is aluminum strip, is provided with 4-6 bar.
3. motor vehicle radar velocity measurement instrument inspection instrument according to claim 1, it is characterized in that: configure an independently calibrating instrument lifting floor truck, described lifting floor truck comprises the stand and base that are fixedly connected with, pulley blocks is provided with at stand top, stand is provided with hand winch, and one end of twisted rope is provided with hanging hook assembly; The bottom of described base is provided with trundle.
4. motor vehicle radar velocity measurement instrument inspection instrument according to claim 3, is characterized in that: described stand and base are set to demountable structure, are bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103765.7A CN105510894A (en) | 2016-02-22 | 2016-02-22 | Calibrating apparatus for radar tachometers for motor vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103765.7A CN105510894A (en) | 2016-02-22 | 2016-02-22 | Calibrating apparatus for radar tachometers for motor vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105510894A true CN105510894A (en) | 2016-04-20 |
Family
ID=55719005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103765.7A Pending CN105510894A (en) | 2016-02-22 | 2016-02-22 | Calibrating apparatus for radar tachometers for motor vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105510894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102320A (en) * | 2017-03-17 | 2017-08-29 | 梧州理想科技有限公司 | A kind of automobile velocimeter |
| CN112278776A (en) * | 2020-10-16 | 2021-01-29 | 福建龙净环保智能输送工程有限公司 | Detection device of belt conveyor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202362320U (en) * | 2011-11-18 | 2012-08-01 | 佛山市南华仪器股份有限公司 | Drum type speedometer check-out console |
| CN203490838U (en) * | 2013-10-14 | 2014-03-19 | 徐津生 | On-site speed detection error measurement device for motor vehicle overspeed automatic monitoring system |
| DE102012024632A1 (en) * | 2012-12-17 | 2014-06-18 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Speedometer for vehicle i.e. motor car, has detecting sensor detecting movement of moving component of powertrain and chassis of vehicle, and evaluation unit deriving speed measurement value from detected motion using algorithm |
| CN205404793U (en) * | 2016-02-22 | 2016-07-27 | 浙江江兴汽车检测设备有限公司 | Motor vehicle radar speed -measuring appearance examination appearance |
-
2016
- 2016-02-22 CN CN201610103765.7A patent/CN105510894A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202362320U (en) * | 2011-11-18 | 2012-08-01 | 佛山市南华仪器股份有限公司 | Drum type speedometer check-out console |
| DE102012024632A1 (en) * | 2012-12-17 | 2014-06-18 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Speedometer for vehicle i.e. motor car, has detecting sensor detecting movement of moving component of powertrain and chassis of vehicle, and evaluation unit deriving speed measurement value from detected motion using algorithm |
| CN203490838U (en) * | 2013-10-14 | 2014-03-19 | 徐津生 | On-site speed detection error measurement device for motor vehicle overspeed automatic monitoring system |
| CN205404793U (en) * | 2016-02-22 | 2016-07-27 | 浙江江兴汽车检测设备有限公司 | Motor vehicle radar speed -measuring appearance examination appearance |
Non-Patent Citations (2)
| Title |
|---|
| 北京市第四建筑工程公司二工区 等: ""装配式大型壁板建筑施工的工具设备"", 《建筑技术》 * |
| 鲍国华 等: ""非接触式汽车速度计校准装置研究"", 《上海计量测试》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102320A (en) * | 2017-03-17 | 2017-08-29 | 梧州理想科技有限公司 | A kind of automobile velocimeter |
| CN112278776A (en) * | 2020-10-16 | 2021-01-29 | 福建龙净环保智能输送工程有限公司 | Detection device of belt conveyor |
| CN112278776B (en) * | 2020-10-16 | 2022-04-26 | 福建龙净环保智能输送工程有限公司 | Detection device of belt conveyor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |
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| RJ01 | Rejection of invention patent application after publication |