CN220709344U - Batch calibrating device for radar velocimeter of motor vehicle - Google Patents
Batch calibrating device for radar velocimeter of motor vehicle Download PDFInfo
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- CN220709344U CN220709344U CN202322224684.0U CN202322224684U CN220709344U CN 220709344 U CN220709344 U CN 220709344U CN 202322224684 U CN202322224684 U CN 202322224684U CN 220709344 U CN220709344 U CN 220709344U
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 230000001960 triggered effect Effects 0.000 claims abstract description 4
- 238000012795 verification Methods 0.000 claims description 23
- 230000009977 dual effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000000827 velocimetry Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model discloses a motor vehicle radar velocimeter batch calibrating device, and relates to a velocimeter calibrating device. The purpose is to overcome current motor vehicle radar velocimeter and detects alone, and detection efficiency is low, and the work process of inspector still comparatively loaded down with trivial details problem includes: the set vehicle speed output end of the speed regulating unit is connected with the set vehicle speed input end of the control unit and is also used for being connected with the set vehicle speed input end of the test motor vehicle; the vehicle speed acquisition unit is used for acquiring the actual vehicle speed of the test motor vehicle; the actual vehicle speed output end of the vehicle speed acquisition unit is connected with the actual vehicle speed input end of the control unit; the triggering mechanism is used for triggering the radar velocimeter to be calibrated; the control unit generates N driving signals, and the driving signal output end is connected with the driving signal input end of the delay unit; the N driving signal output ends of the delay unit are respectively connected with the driving signal input ends of the N triggering mechanisms; and after the radar velocimeter to be verified is triggered, the speed of the test motor vehicle is measured to obtain a speed measurement result.
Description
Technical Field
The utility model relates to a speed measuring instrument calibrating device.
Background
When the verification mechanism detects the motor vehicle radar velocimeter, a verification personnel usually only can detect one motor vehicle radar velocimeter by carrying out one operation cycle on the motor vehicle radar velocimeter, but because motor vehicle radar velocimeter manufacturers are numerous, the production quantity and specification of the motor vehicle radar velocimeter are too many, so that the detection efficiency is low and the working process of the detection personnel is complex when the motor vehicle radar velocimeter is detected.
Disclosure of Invention
The utility model aims to solve the problems that the existing motor vehicle radar velocimeter is used for detecting independently, the detection efficiency is low, and the working process of detection personnel is complex.
The utility model relates to a motor vehicle radar velocimeter batch verification device which comprises a speed regulating unit, a control unit, a vehicle speed acquisition unit, N triggering mechanisms and a time delay unit, wherein the speed regulating unit is used for regulating the speed of a motor vehicle; n is an integer greater than or equal to 2;
the set vehicle speed output end of the speed regulating unit is electrically connected with the set vehicle speed input end of the control unit, and the set vehicle speed output end of the speed regulating unit is also used for being electrically connected with the set vehicle speed input end of the test motor vehicle;
the vehicle speed acquisition unit is used for acquiring the actual vehicle speed of the test motor vehicle; the actual vehicle speed output end of the vehicle speed acquisition unit is electrically connected with the actual vehicle speed input end of the control unit;
the triggering mechanism is used for triggering the radar velocimeter to be calibrated;
the control unit generates N driving signals when the actual vehicle speed is equal to the set vehicle speed, and the driving signal output end of the control unit is electrically connected with the driving signal input end of the delay unit;
the N driving signal output ends of the delay unit are respectively and electrically connected with the driving signal input ends of the N triggering mechanisms, and the delay unit is used for applying time intervals between two adjacent driving signals;
and after the radar velocimeter to be verified is triggered, the test motor vehicle is subjected to velocity measurement to obtain a velocity measurement result, and the velocity measurement result is used for judging whether the radar velocimeter to be verified is qualified or not after being compared with the actual velocity measurement.
The beneficial effects of the utility model are as follows:
the motor vehicle radar velocimeter batch verification device can be fixed with a plurality of radar velocimeters to be verified, and can be used for verifying the plurality of radar velocimeters to be verified together under the condition that the speed of a test motor vehicle meets the set speed, so that the verification efficiency of the radar velocimeters is improved, and the working process of a detector is quicker and more convenient. And the delay unit sends out a plurality of driving signals to trigger a plurality of radar velocimeters to be detected at intervals, so that the condition that signal wave bands or phases in the plurality of radar velocimeters to be detected are similar to each other and generate interference after the simultaneous triggering is avoided.
Drawings
FIG. 1 is a schematic diagram of an electrical structure in a batch verification device of a motor vehicle radar velocimeter according to the present utility model;
FIG. 2 is a schematic diagram of a motor vehicle radar velocimeter batch verification device of the present utility model;
FIG. 3 is a schematic diagram of the batch verification device for the motor vehicle radar velocimeter, the radar velocimeter to be verified and a vehicle speed acquisition unit;
fig. 4 is a schematic diagram of a matching structure of a triggering mechanism and a radar velocimeter to be calibrated in a motor vehicle radar velocimeter batch calibration device according to the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Detailed description of the preferred embodiments
The motor vehicle radar velocimeter batch verification device of the embodiment comprises a speed regulating unit 1, a control unit 2, a vehicle speed acquisition unit 4, N triggering mechanisms 5 and a delay unit 8; n is an integer greater than or equal to 2;
the set vehicle speed output end of the speed regulating unit 1 is electrically connected with the set vehicle speed input end of the control unit 2, and the set vehicle speed output end of the speed regulating unit 1 is also used for being electrically connected with the set vehicle speed input end of the test motor vehicle 13;
the vehicle speed acquisition unit 4 is used for acquiring the actual vehicle speed of the test motor vehicle 13; the actual vehicle speed output end of the vehicle speed acquisition unit 4 is electrically connected with the actual vehicle speed input end of the control unit 2;
the triggering mechanism 5 is used for triggering a radar velocimeter 7 to be calibrated;
the control unit 2 generates N driving signals at the same time when the actual vehicle speed is equal to the set vehicle speed, and the driving signal output end of the control unit 2 is electrically connected with the driving signal input end of the delay unit 8;
the N driving signal output ends of the delay unit 8 are respectively and electrically connected with the driving signal input ends of the N triggering mechanisms 5, and the delay unit 8 is used for applying time intervals between two adjacent driving signals;
and after the radar velocimeter to be verified is triggered, the test motor vehicle is subjected to velocimetry to obtain a velocimetry result, and the velocimetry result is used for judging whether the radar velocimeter to be verified 7 is qualified or not after being compared with the actual velocimetry.
In particular, most of the radar velocimeters on the market in the prior art are gun-type radar velocimeters, and the radar velocimeter can be used for measuring the speed of a vehicle in a handheld manner or is fixed on a speed measuring rod at the roadside after being refitted to a housing. Therefore, the embodiment mainly tests the gun type radar velocimeter, and if the radar velocimeter is not gun type, the gun type radar velocimeter can be changed into a gun type radar velocimeter after the shell is modified.
The gun type velocimeter is usually provided with a trigger switch in a default mode at the position of a trigger, and after the trigger is pulled, the speed of a passing vehicle can be measured directly in the adjusted default mode. Some gun type radar velocimeters are also provided with control ports, and control signals are sent out through an external controller by inserting a control cable so as to trigger the velocimeter. The utility model can also be controlled directly by directly connecting a plurality of driving signal output ends of the delay unit 8 with the control port of the radar velocimeter.
However, when the control port of the radar velocimeter is not directly accessed, pulling the "trigger" is the most rapid way to trigger the radar velocimeter.
In this embodiment, a plurality of radar velocimeters 7 to be calibrated are respectively fixed on the trigger mechanism 5. The trigger mechanism 5 can be in mechanical contact with a trigger of the radar velocimeter 7 to be verified, and the trigger is toggled after a corresponding driving signal is received, so that the radar velocimeter 7 to be verified starts to measure the speed.
The main workflow is as follows:
because the existing specification prescribes that the radar velocimeter is required to be checked when the motor vehicle runs at a specific speed, when the motor vehicle runs at a set speed, whether the error of the radar velocimeter to be checked meets the requirement is further judged through the data measured by the radar velocimeter to be checked.
Therefore, the vehicle speed is set by the speed regulating unit 1, and the set vehicle speed is sent to the control unit 2 and the vehicle speed control unit (via the wireless communication unit 3) of the test motor vehicle 13, so that the vehicle speed of the test motor vehicle 13 is controlled, and a special test vehicle or electric vehicle (the electric engine can control the vehicle speed more conveniently than the gasoline engine) can be adopted for conveniently controlling the test motor vehicle 13.
The vehicle speed acquisition unit 4 detects the actual vehicle speed of the test motor vehicle 13 and sends the actual vehicle speed to the control unit 2 (through the wireless communication unit 3);
the control unit 2 sends out a driving signal after the actual vehicle speed reaches the set vehicle speed, and several triggering mechanisms 5 send out several triggering mechanisms 5, wherein the driving signal is gapless. The trigger mechanism 5 may be provided to be removable in order to reduce or increase the number of radar velocimeters that can be certified.
After the delay unit 8 receives a plurality of driving signals, a delay is inserted into two adjacent driving signals, so that the driving signals output to different triggering mechanisms 5 have set time intervals.
The different triggering mechanisms 5 trigger the corresponding radar velocimeter 7 to be verified at set time intervals, so that the radar velocimeter 7 to be verified can obtain corresponding verification speed measurement results on the test motor vehicle 13 running at the set speed.
The set time interval should be longer than the time period of the radar velocimeter 7 to be calibrated to send out and receive the velocimeter, and the time is usually several milliseconds, so even if the radar velocimeters 7 to be calibrated together, the total time is very short, and the test motor vehicle 13 keeps running at the set speed at this time, so that the radar velocimeters 7 to be calibrated can be accurately calibrated.
The radar velocimeter 7 to be calibrated is usually a speed measurement result (usually displayed on a display) obtained by measuring the speed of the test motor vehicle 13 by using the radar velocimeter 7 to be calibrated. The verification personnel compares the speed measurement result with the actual vehicle speed (the actual vehicle speed is equal to the set vehicle speed in the embodiment) obtained by the vehicle speed acquisition unit 4, checks whether the speed measurement result detected by the radar velocimeter 7 to be verified is equal to the set vehicle speed, if so (or is smaller than the error range), the radar velocimeter 7 is verified to be qualified, and if the difference between the speed measurement result and the set vehicle speed is larger than the error range, the verification is failed. This step may be performed manually. The control unit 2 can also obtain the speed measurement results of a plurality of radar speed measuring instruments 7 to be verified, and the control unit 2 judges that the radar speed measuring instruments 7 to be verified are unqualified when the difference value between the speed measurement results and the set vehicle speed exceeds the set error range.
After the speed measurement result of each radar speed measuring instrument 7 to be verified is recorded, the working mode of the radar speed measuring instrument 7 to be verified can be directly regulated to carry out next verification, or the radar speed measuring instrument is directly taken down.
The support columns 6 of this embodiment are vertical, and if the field environment does not allow or the support columns 6 are arranged laterally more convenient/the assay results are more accurate, the support columns 6 may be arranged laterally. While the fixing direction of the triggering mechanism 5 should be redefined according to the direction of the supporting column 6.
Detailed description of the preferred embodiments
This embodiment is a further explanation of the first embodiment, and further includes the support column 6; the plurality of triggering mechanisms 5 are fixed on the same outer side wall of the supporting column 6 along the vertical direction;
the triggering mechanism 5 comprises a U-shaped fixed frame 5-1, a poking piece 5-3 and a poking piece motor 5-4; the switch signal input end of the plectrum motor 5-4 is used as the drive signal input end of the trigger mechanism 5;
a rotating shaft is rotatably matched in a U-shaped groove of the U-shaped fixed frame 5-1; the rotating shaft is vertical to the side walls at two sides;
one end of the poking piece 5-3 is fixed with one end of the rotating shaft;
the power output shaft of the plectrum motor 5-4 is connected with the other end of the rotating shaft and is used for driving the plectrum 5-3 to swing through the rotating shaft;
the other end of the poking piece 5-3 can be contacted with a switch of a radar velocimeter 7 to be detected, which is carried in a U-shaped groove of the U-shaped fixed frame 5-1.
Specifically, the U-shaped fixing frame 5-1 is adopted to adapt to radar velocimetry 7 to be detected with various specifications and sizes, and the pulling sheet 5-3 can rotate towards a switch (trigger) of the radar velocimetry 7 to be detected under the drive of the pulling sheet motor 5-4 and buckle the trigger, so that the radar velocimetry 7 to be detected works.
As shown in FIG. 4, the plectrum motor 5-4 is inserted into the side of the U-shaped fixing frame 5-1 and fixed, the rotating shaft is actually the power output shaft of the plectrum motor 5-4, and the power output shaft can be directly inserted into the plectrum 5-3 to drive the plectrum 5-3 to rotate. Or a rotating shaft can be additionally arranged, and the power output shaft of the plectrum motor 5-4 is connected with the rotating shaft through a transmission structure such as a gear or the like.
The power output shaft rotates after the driving signal is received by the paddle motor 5-4, and also rotates under the action of external force after the driving signal is not received. The switch of the radar velocimeter 7 to be detected is an elastic switch, the pulling piece 5-3 is pressed down to work, the pulling piece 5-3 is loosened (no power driven by the pulling piece motor 5-4) to restore to the original position, and the pulling piece 5-3 can be driven to return. Torsion springs may also be provided to bring the paddle 5-3 back.
Detailed description of the preferred embodiments
In this embodiment, the vehicle speed acquisition unit 4 is a dual-antenna doppler radar sensor;
the dual antenna doppler radar sensor is fixed to the body of the test motor vehicle 13.
Specifically, a non-contact optical speed sensor and a GPS speed sensor are adopted by a general vehicle speed sensor, and the advantages of the non-contact optical speed sensor and the GPS speed sensor are combined by adopting the dual-antenna Doppler radar sensor in the embodiment, so that the defects of the non-contact optical speed sensor and the GPS speed sensor are avoided. The installation distance is not required, the use area is not limited, and the influence of inclined installation on the speed measurement precision can be automatically compensated.
Detailed description of the preferred embodiments
In this embodiment, a plurality of steering wheels 9 are provided below the support column 6.
In particular, since the motor vehicle radar velocimeter batch verification device of the present embodiment performs verification at the roadside, it is necessary to adjust the orientation of the radar velocimeter 7 to be verified (the orientation of the radar velocimeter 7 to be verified is generally uniform when installed) so as to obtain a better or interference-free verification result due to the different widths of the roads and the different positions of the lanes or forms in which the test motor vehicle 13 is located.
The steering wheel 9 is adopted to integrally adjust the orientation of the radar velocimeter 7 to be calibrated on the whole motor vehicle radar velocimeter batch calibrating device.
Detailed description of the preferred embodiments
This embodiment is a further explanation of the first or second embodiment, and further includes a standard radar-fixed triggering unit 10; the vehicle speed acquisition unit 4 is a standard velocimeter;
the standard radar fixed triggering unit 10 is fixed on the side wall of the support column 6;
the standard radar fixed trigger unit 10 is capable of fixing a standard velocimeter;
the actual vehicle speed output end of the standard velocimeter is electrically connected with the actual vehicle speed input end of the control unit 2.
Specifically, the standard velocimeter is used to replace the dual-antenna Doppler radar sensor, and the subsequent working mode is the same as that when the dual-antenna Doppler radar sensor is adopted.
Only after the standard velocimeter is adopted, a double-antenna Doppler radar sensor is not required to be fixed on the body of the test motor vehicle 13, so that the universality is stronger.
Although the standard radar-fixed trigger unit 10 is fixed at the top in fig. 2 to 4, the fixed position of the standard radar-fixed trigger unit 10 is not limited, and the standard radar-fixed trigger unit 10 may be fixed to a side wall of the support column 6 opposite to the side wall to which the trigger mechanism 5 is fixed.
The trigger mechanism 5 and the standard radar fixed trigger unit 10 are actually identical in structure, except that the triggering of the standard radar fixed trigger unit 10 is a manual triggering or a triggering after setting conditions are manually implemented.
Detailed description of the preferred embodiments six
This embodiment is a further description of the second, third or fourth embodiment, in which the trigger mechanism 5 further includes a fixing bolt 5-6 and a spacer 5-7;
the fixing bolt 5-6 passes through one side wall of the U-shaped fixing frame 5-1 and is in spiral fit with the U-shaped fixing frame 5-1;
one end of the fixing bolt 5-6, which is positioned at the inner side of the U-shaped fixing frame 5-1, is vertically fixed with a gasket 5-7.
Specifically, the radar velocimeter 7 to be verified is fixed through the fixing bolts 5-6. The U-shaped fixing frame 5-1 can be set to be a buckle with the size being matched with that of the radar velocimeter 7 to be calibrated, but the cost is too high and the radar velocimeter 7 to be calibrated with different specifications needs to be replaced when being calibrated, so that the fixing structure of the embodiment can be matched with the radar velocimeter 7 to be calibrated with various specifications without replacement.
Because the heights of the radar velocimeter 7 to be verified are different, when the radar velocimeter 7 to be verified is fixed through the fixing bolts 5-6, the (up and down) orientation angle of the detection end of the radar velocimeter 7 to be verified can be adjusted by the height of the radar velocimeter 7 to be verified, so that the radar velocimeter can be aligned with the test motor vehicle 13.
Since the height of the trigger mechanism 5 is generally fixed, the orientation angles of the radar velocimeters 7 to be calibrated in different trigger mechanisms 5 are measured for the first time and marked, and then the orientation angles of other radar velocimeters 7 with the same specification and even all the radar velocimeters to be calibrated are directly determined and fixed.
Detailed description of the preferred embodiments
This embodiment is a further description of the first, second, third or fourth embodiment, and further includes an electric box 11 and a plurality of control cables 12;
the electric box 11 is fixed at the bottom of the support column 6;
the wireless communication unit 3, the speed regulating unit 1, the control unit 2 and the delay unit 8 are all positioned in the electric box 11;
a plurality of control cables 12 are positioned inside the support column 6, one ends of the control cables 12 are positioned inside the electric box 11 and are respectively and electrically connected with a plurality of motor starting signal output ends of the delay unit 8, and the other ends of the control cables penetrate through the side walls of the support column 6 and are respectively and correspondingly connected with motor starting signal input ends of the plectrum motors 5-4.
In particular, the use of control cable 12 allows for rapid (less than wireless delay) transmission of drive signals, reducing certification errors.
Wherein the radio communication unit 3 should be divided into two parts, one part being the transmitting/receiving end located in the electrical box 11. The other part is a transmitting/receiving end located on the test vehicle 13, the two parts communicating with each other.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other embodiments.
Claims (7)
1. The motor vehicle radar velocimeter batch verification device is characterized by comprising a speed regulating unit (1), a control unit (2), a vehicle speed acquisition unit (4), N triggering mechanisms (5) and a delay unit (8); n is an integer greater than or equal to 2;
the set vehicle speed output end of the speed regulating unit (1) is electrically connected with the set vehicle speed input end of the control unit (2), and the set vehicle speed output end of the speed regulating unit (1) is also used for being electrically connected with the set vehicle speed input end of the test motor vehicle (13);
the vehicle speed acquisition unit (4) is used for acquiring the actual vehicle speed of the test motor vehicle (13); the actual vehicle speed output end of the vehicle speed acquisition unit (4) is electrically connected with the actual vehicle speed input end of the control unit (2);
the triggering mechanism (5) is used for triggering a radar velocimeter (7) to be verified;
the control unit (2) generates N driving signals at the same time when the actual vehicle speed is equal to the set vehicle speed, and the driving signal output end of the control unit (2) is electrically connected with the driving signal input end of the delay unit (8);
n driving signal output ends of the delay units (8) are respectively and electrically connected with driving signal input ends of N triggering mechanisms (5), and the delay units (8) are used for applying time intervals between two adjacent driving signals;
and after the radar velocimeter (7) to be verified is triggered, the speed of the test motor vehicle is measured to obtain a speed measurement result, and the speed measurement result is used for judging whether the radar velocimeter (7) to be verified is qualified or not after being compared with the actual speed measurement.
2. Motor vehicle radar velocimeter batch verification device according to claim 1, characterized in that it further comprises a support column (6); the plurality of triggering mechanisms (5) are fixed on the same outer side wall of the supporting column (6) along the vertical direction;
the trigger mechanism (5) comprises a U-shaped fixed frame (5-1), a poking piece (5-3) and a poking piece motor (5-4); the switch signal input end of the plectrum motor (5-4) is used as the drive signal input end of the trigger mechanism (5);
a rotating shaft is in rotating fit in a U-shaped groove of the U-shaped fixed frame (5-1); the rotating shaft is perpendicular to the side walls at two sides;
one end of the poking piece (5-3) is fixed with one end of the rotating shaft;
the power output shaft of the plectrum motor (5-4) is connected with the other end of the rotating shaft and is used for driving the plectrum (5-3) to swing through the rotating shaft;
the other end of the poking piece (5-3) can be in contact with a switch of a radar velocimeter (7) to be detected, which is carried in a U-shaped groove of the U-shaped fixed frame (5-1).
3. Motor vehicle radar velocimeter batch verification device according to claim 1 or 2, characterized in that the vehicle speed acquisition unit (4) is a dual antenna doppler radar sensor;
the dual antenna Doppler radar sensor is fixed to the body of the test vehicle (13).
4. A motor vehicle radar velocimeter batch verification device according to claim 3, characterized in that a plurality of steering wheels (9) are provided under the support column (6).
5. The motor vehicle radar velocimeter batch verification device according to claim 2, further comprising a standard radar fixed trigger unit (10); the vehicle speed acquisition unit (4) is a standard velocimeter;
the standard radar fixed triggering unit (10) is fixed on the side wall of the supporting column (6);
a standard radar fixed trigger unit (10) is capable of fixing the standard velocimeter;
the actual vehicle speed output end of the standard velocimeter is electrically connected with the actual vehicle speed input end of the control unit (2).
6. A motor vehicle radar velocimeter batch verification device according to claim 2, 3 or 4, wherein the trigger mechanism (5) further comprises a fixing bolt (5-6) and a spacer (5-7);
the fixing bolt (5-6) penetrates through one side wall of the U-shaped fixing frame (5-1) and is in threaded connection with the U-shaped fixing frame (5-1);
the gasket (5-7) is vertically fixed at one end of the fixing bolt (5-6) positioned at the inner side of the U-shaped fixing frame (5-1).
7. The motor vehicle radar velocimeter batch verification device according to claim 2, 3 or 4, further comprising an electrical box (11) and a plurality of control cables (12);
the electric box (11) is fixed at the bottom of the support column (6);
the motor vehicle remote speed regulation unit (1), the control unit (2) and the delay unit (8) are all positioned in the electric box (11);
the control cables (12) are located inside the support columns (6), one ends of the control cables are located inside the electric box (11) and are respectively electrically connected with a plurality of motor starting signal output ends of the delay units (8), and the other ends of the control cables penetrate through motor starting signal input ends of the plectrum motors (5-4) corresponding to the side walls of the support columns (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224684.0U CN220709344U (en) | 2023-08-17 | 2023-08-17 | Batch calibrating device for radar velocimeter of motor vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224684.0U CN220709344U (en) | 2023-08-17 | 2023-08-17 | Batch calibrating device for radar velocimeter of motor vehicle |
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| CN220709344U true CN220709344U (en) | 2024-04-02 |
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| CN202322224684.0U Active CN220709344U (en) | 2023-08-17 | 2023-08-17 | Batch calibrating device for radar velocimeter of motor vehicle |
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- 2023-08-17 CN CN202322224684.0U patent/CN220709344U/en active Active
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