CN112665714A - Auxiliary testing device for noise inside and outside vehicle - Google Patents
Auxiliary testing device for noise inside and outside vehicle Download PDFInfo
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- CN112665714A CN112665714A CN202110031948.3A CN202110031948A CN112665714A CN 112665714 A CN112665714 A CN 112665714A CN 202110031948 A CN202110031948 A CN 202110031948A CN 112665714 A CN112665714 A CN 112665714A
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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
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Abstract
The invention relates to an auxiliary testing device for noise inside and outside a vehicle, which comprises a workbench, an adjusting frame structure and artificial head equipment, wherein the workbench is provided with a plurality of adjusting frames; the workbench comprises a workbench body and a control panel arranged on the workbench body; the adjusting frame structure comprises an adjusting base structure which is detachably and rotatably arranged at the top end of the table frame body and is electrically connected with the control panel, and an artificial head fixing plate structure hinged with the adjusting base structure; the artificial head equipment is arranged on the artificial head fixing plate structure and is used for receiving noise inside and outside the vehicle; the control panel is used for acquiring the noise inside and outside the vehicle received by the artificial head equipment; the adjusting base structure is correspondingly matched with the artificial head fixing plate structure so as to adjust the angle of the artificial head equipment; the angle of the manual head equipment can be automatically adjusted, the testing precision of noise inside and outside the vehicle can be guaranteed, and the testing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of automobile noise testing, in particular to an auxiliary testing device for noise inside and outside an automobile.
Background
Nowadays, when automobiles are designed and produced by automobile enterprises, the quality of automobile sound is more and more concerned, such as automobile door closing sound, noise in a constant-speed running automobile, noise in an accelerating automobile and the like, and good automobile sound quality can bring better automobile using experience to users, so that the sound of the automobile in various states needs to be collected and analyzed. In order to better simulate the physiological structure of human ears and make the collected sound more fit the real feeling of human, the artificial head is mostly adopted as a data collection device.
In the process of testing the automobile noise, a special bracket is needed to fix the artificial head, the artificial head is fixed on the bracket by a bolt, and the bracket is provided with two hooks; when the noise in the car needs to be tested, the artificial head is hung on the seat backrest by using the special bracket, and the height of the artificial head is adjusted by the bolt below the hook; when the environment outside the car such as the sound of closing the door is tested, the bracket is utilized to hang the artificial head on the auxiliary tool, and the test has requirements on the placement position, angle and height of the artificial head, so that the artificial head needs to be manually measured and adjusted.
Above-mentioned car noise test device function is too single, can only regard as the simple and easy support of artifical head equipment, at experimental test in-process, if meet when having the requirement to artifical head locating position or angle, need the manual work to measure and adjust, and the functional requirement of angle and position control, then need look for many other appurtenance and just can realize, consequently not only be difficult to guarantee the precision to the process is wasted time and energy.
Disclosure of Invention
The embodiment of the invention provides an auxiliary testing device for noise inside and outside a vehicle, which does not need manual participation, can automatically adjust the angle of a manual head device, can ensure the testing precision of the noise inside and outside the vehicle, and improves the testing efficiency.
On one hand, the embodiment of the invention provides an auxiliary testing device for noise inside and outside a vehicle, which comprises a workbench, an adjusting frame structure and artificial head equipment; the workbench comprises a workbench body and a control panel arranged on the workbench body; the adjusting frame structure comprises an adjusting base structure which is detachably and rotatably arranged at the top end of the table frame body and is electrically connected with the control panel, and an artificial head fixing plate structure hinged with the adjusting base structure; the artificial head equipment is arranged on the artificial head fixing plate structure and is used for receiving noise inside and outside the vehicle; the control panel is used for acquiring the noise inside and outside the vehicle received by the artificial head equipment; the adjusting base structure and the artificial head fixing plate structure are correspondingly matched to adjust the angle of the artificial head equipment.
In some embodiments, the adjusting base structure comprises a base body disposed at a top end of the stand body, and a plurality of lifting support rod structures disposed at a top end of the base body; the artificial head fixing plate structure comprises a fixing plate main body and a plurality of connecting piece structures, wherein the fixing plate main body is vertically arranged on the base main body in a corresponding mode, the connecting piece structures are arranged at the bottom end of the fixing plate main body and are hinged to the lifting support rod structures in a one-to-one mode, and artificial head equipment is fixedly arranged at the top end of the fixing plate main body.
In some embodiments, the lifting support rod structure is provided as a hydraulic ram structure; the hydraulic ejector rod structure comprises a hydraulic drive cylinder body arranged at the top end of the base main body and a hydraulic drive ejector rod connected with the hydraulic drive cylinder body; the connecting piece structure is including locating the connecting rod of the bottom of fixed plate main part, and locate the hinge joint of the tip of connecting rod, the hinge joint with the hydraulic drive ejector pin is articulated.
In some embodiments, five lifting support rod structures are provided, wherein one lifting support rod structure is provided at the middle part of the base body, and the other four lifting support rod structures surround the periphery of the lifting support rod structure at the middle part of the base body; the connecting piece structure corresponds and is equipped with five, one of them connecting piece structure is located the middle part of fixed plate main part, all the other four connecting piece structure encloses and locates the middle part of fixed plate main part the week side of connecting piece structure.
In some embodiments, the workbench further includes a rotating base structure disposed at the top end of the rack body, and a mounting hole rotatably matched with the rotating base structure is formed at the bottom end of the base main body.
In some embodiments, a wireless infrared range finder is provided on the base body; and/or the fixing plate main body is provided with a wireless infrared distance meter.
In some embodiments, the workbench further includes a plurality of roller structures respectively disposed on the bottom periphery side of the rack body, and a plurality of rack support structures respectively disposed on the bottom periphery side of the rack body and electrically connected to the control panel.
In some embodiments, the roller structure includes a rotating shaft disposed at a bottom end of the stand body, a roller connecting frame connected to the rotating shaft, and a roller rotatably connected to the roller connecting frame.
In some embodiments, the platform support structure comprises a connecting plate structure which is protrudingly hinged on the bottom side of the platform body, and a telescopic support rod structure which is connected between the middle part of the connecting plate structure and the side of the platform body; the connecting plate structure comprises a connecting plate main body, a supporting wedge block arranged at one end of the connecting plate main body and used for supporting the ground, and a first fixing block hinged to the other end of the connecting plate main body and fixedly arranged on the side face of the rack body; the telescopic support rod structure comprises a telescopic support rod main body and a second fixed block, wherein one end of the telescopic support rod main body is hinged to the middle of the connecting plate main body, and the second fixed block is hinged to the other end of the telescopic support rod main body and fixedly arranged on the side face of the rack body.
In some embodiments, the workbench further comprises a sensor integration module arranged on the workbench body and electrically connected with the control panel, and the sensor integration module comprises a radar velocimeter, an infrared temperature sensor, a humidity sensor and an air pressure height sensor.
The technical scheme provided by the invention has the beneficial effects that: when the car external noise to the car is tested, artifical head equipment is located on artifical head fixed plate structure, the suitable position of shift table to car, because it can be rotatory on the top of the rack body to adjust the base structure, consequently, the position control of artifical head equipment is carried out to rotatable regulation base, rethread control adjusts the motion of base structure, thereby make and adjust the articulated artifical head fixed plate structure of base structure and also correspond the cooperation motion, can adjust the angle of artifical head equipment this moment, can adjust the angle between artifical head equipment and the car of being tested and the gesture (left incline, right incline, preceding inclining, the back inclining), control panel is through obtaining the car external noise that artifical head equipment received, and then read the display out car external noise at accessible control panel. When testing the noise in the car of car, can take off the alignment jig structure and artifical head equipment is whole from the workstation, place any position in the car, correspond articulated cooperation motion through adjusting base structure and artifical head fixed plate structure this moment, come to adjust artifical head equipment's angle.
Therefore, the auxiliary testing device for the noise inside and outside the vehicle can be used for automatically adjusting the angle of the manual head equipment without manual participation, so that the testing precision of the noise can be ensured, and the testing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an in-vehicle noise auxiliary testing device according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a workbench and an adjusting bracket structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a workbench according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjusting bracket structure and a manual head device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an adjusting base structure according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fixing plate structure of a manual head according to an embodiment of the present invention;
FIG. 7 is a schematic view of the assembly adjustment of a part of the adjustment base structure and the structure of the fixture plate of the artificial head according to the embodiment of the present invention;
FIG. 8 is a schematic structural view of a gantry support structure according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a roller structure according to an embodiment of the invention.
In the figure: 10. a work table; 100. a stand body; 101. a control panel; 102. a rotary base structure; 103. a roller structure; 1030. a rotating shaft; 1031. a roller connecting frame; 1032. a roller; 104. a rack support structure; 1040. a connection plate structure; 1041. a telescopic support rod structure; 20. an adjusting frame structure; 200. adjusting the base structure; 2000. a base body; 2001. a lifting support rod structure; 201. a structure of the artificial head fixing plate; 2010. a fixed plate main body; 2011. a connector structure; 30. provided is an artificial head device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
See fig. 1, 2 and 3; the embodiment of the invention provides an auxiliary testing device for noise inside and outside a vehicle, which comprises a workbench 10, an adjusting frame structure 20 and an artificial head device 30, wherein the workbench 10 comprises a rack body 100 and a control panel 101 arranged on the rack body 100; the adjusting frame structure 20 comprises an adjusting base structure 200 detachably and rotatably arranged at the top end of the stand body 100 and electrically connected with the control panel 101, and an artificial head fixing plate structure 201 hinged with the adjusting base structure 200; the artificial head device 30 is arranged on the artificial head fixing plate structure 201 and is used for receiving noise inside and outside the vehicle; the control panel 101 is used for acquiring the noise inside and outside the vehicle received by the artificial head device 30; wherein, the adjusting base structure 200 is correspondingly matched with the artificial head fixing plate structure 201 to adjust the angle of the artificial head device 30.
When the noise outside the vehicle of the automobile is tested, the artificial head device 30 is a special sound collection device for simulating human ears in the automobile sound quality test, the artificial head device 30 is arranged on the artificial head fixing plate structure 201, the workbench 10 is moved to a proper position of the automobile, because the adjusting base structure 200 can rotate at the top end of the rack body 100, the adjusting base 200 can be rotated to adjust the position of the artificial head device 30, then the adjusting base structure 200 is controlled to move through the control panel 101 (the control panel 101 consists of a touch liquid crystal display and a controller, the controller is internally integrated with the control functions of all electric devices of the whole auxiliary testing device for the noise inside and outside the automobile and the data reading functions of all sensors), so that the artificial head fixing plate structure 201 hinged with the adjusting base structure 20 correspondingly moves in a matched mode, and the angle of the artificial head device 30 can be adjusted at the moment, the angle between the artificial head device 30 and the tested automobile and the posture (left-leaning, right-leaning, forward-leaning and backward-leaning) of the artificial head device 30 can be adjusted, the control panel 101 obtains the external noise of the automobile received by the artificial head device 30, and then the external noise of the automobile can be read and displayed through the control panel 101.
Meanwhile, as shown in fig. 4, when the noise in the vehicle of the automobile is tested, the adjusting frame structure 20 and the artificial head device 30 can be taken off from the workbench 10 and placed at any position in the vehicle, and at this time, the angle of the artificial head device 30 is adjusted by correspondingly hinging and matching the adjusting base structure 20 and the artificial head fixing plate structure 201.
Therefore, the auxiliary testing device for the noise inside and outside the vehicle can automatically adjust the angle of the manual head equipment 30 without manual participation, thereby ensuring the testing precision of the noise and improving the testing efficiency.
Referring to fig. 5 and 6, in the embodiment of the present invention, the adjusting base structure 200 includes a base main body 2000 disposed at the top end of the stand body 100, and a plurality of lifting support rod structures 2001 disposed at the top end of the base main body 2000; artifical head fixed plate structure 201 includes the fixed plate main part 2010 that corresponds the setting from top to bottom with base main part 2000 to and locate the bottom of fixed plate main part 2010, and with a plurality of connecting piece structures 2011 of a plurality of lift support rod structures 2001 one-to-one articulated, artifical head equipment 30 is fixed to be located the top of fixed plate main part 2010.
The angle of the artificial head equipment 30 is adjusted due to the corresponding hinge fit movement of the adjusting base structure 200 and the artificial head fixing plate structure 201; consequently, through a plurality of lift bracing piece structures 2001 one-to-one articulated with a plurality of link structure 2011, the flexible length accessible control panel 101 of every lift bracing piece structure 2001 is adjusted, again through the articulated cooperation of corresponding with link structure 2011, can adjust the inclination angle gesture of link structure 2011, consequently can adjust the inclination angle gesture that sets up the artifical head device 30 on the top of fixed plate main part 2010.
Referring to fig. 7, in the embodiment of the present invention, in order to describe how the adjustment base structure 200 and the artificial head fixing plate structure 201 are correspondingly hinged and matched to move, the angle of the artificial head device 30 is adjusted; the lifting support rod structure 2001 can be a hydraulic ejector rod structure; the hydraulic ejector rod structure comprises a hydraulic drive cylinder body arranged at the top end of the base main body 2000 and a hydraulic drive ejector rod connected with the hydraulic drive cylinder body; the connector structure 2011 includes the connecting rod of locating the bottom of fixed plate main part 2010, and locates the hinge joint of the tip of connecting rod, the hinge joint with the hydraulic drive ejector pin is articulated.
When the control panel 101 controls the driving hydraulic driving cylinder to supply oil to the corresponding hydraulic driving ejector rod, the hydraulic driving ejector rod is driven to move, at this time, one hydraulic driving ejector rod can be controlled to ascend according to the inclination angle posture of the artificial head device 30, the other corresponding hydraulic driving ejector rod descends, at this time, the connector hinged to the hydraulic driving ejector rod correspondingly moves in a matched mode, and then the fixing plate main body 2010 is inclined. Meanwhile, a ruler is carved on the outer wall of the hydraulic driving ejector rod, and height adjusting information can be read.
It should be noted that the lifting support rod structure 2001 can also be a cylinder push rod structure or an electric push rod structure; similarly, the driving mandril connected with the driving mandril is driven to ascend or descend by the air cylinder or the motor, and the details are not described herein.
Optionally, in order to ensure that the structural stability of the angle adjustment of the artificial head device 30 can be ensured in the corresponding hinge-fit movement process of the adjustment base structure 200 and the artificial head fixing plate structure 201; five lifting support rod structures 2001 are arranged, wherein one lifting support rod structure 2001 is arranged in the middle of the base main body, and the other four lifting support rod structures 2001 surround the periphery of the lifting support rod structure 2001 in the middle of the base main body 2000; the number of the connecting piece structures 2011 is five, one of the connecting piece structures 2011 is arranged in the middle of the fixing plate main body 2010, and the other four connecting piece structures 2011 surround the periphery of the connecting piece structure 2011 arranged in the middle of the fixing plate main body 2010.
Optionally, the workbench 10 further includes a rotating seat structure 102 disposed at the top end of the rack body 100, and a mounting hole rotatably matched with the rotating seat structure 102 is formed at the bottom end of the base main body 2000. Because the adjusting base structure 200 can rotate at the top end of the rack body 100, the rotating base structure 102 includes a servo motor disposed on the rack body 100 and a rotating base disposed on the rack body 100 and connected to the servo motor, and the servo motor drives the rotating base to rotate, so that the rotating base rotates in the mounting hole at the bottom end of the base main body 2000. Meanwhile, the base body 200 is engraved with an angle scale 14, which can be used to read the angle data of the rotation of the base body 200.
Optionally, a wireless infrared distance meter is arranged on the base main body 2000; and/or a wireless infrared distance meter is arranged on the fixing plate main body 2010. The wireless infrared distance measuring instrument is a sensor for measuring the distance between an obstacle by utilizing the infrared reflection principle, and when the mobile workbench 10 is arranged at a proper position of an automobile, the distance between the artificial head equipment 30 and the automobile to be tested can be measured more accurately by arranging the wireless infrared distance measuring instrument, so that a more accurate noise test result is obtained.
Referring to fig. 8 and 9, in the embodiment of the present invention, in order to more conveniently move the work table 10 to a proper position of the automobile; the workbench 10 further includes a plurality of roller structures 103 respectively disposed on the periphery of the bottom end of the rack body 100, and a plurality of rack support structures 104 respectively disposed on the periphery of the bottom of the rack body 100 and electrically connected to the control panel 101; the workbench 10 is driven to move through the plurality of roller structures 103, and after the workbench 10 moves to a proper position, the workbench 10 is fixed through the plurality of rack supporting structures 104, so that the stability of the workbench 10 during noise testing is ensured.
Optionally, the roller structure 103 includes a rotating shaft 1030 disposed at the bottom end of the rack body 100, a roller connecting frame 1031 connected to the rotating shaft 1030, and a roller 1032 rotatably connected to the roller connecting frame 1031; the rotation shaft 1030 allows the roller 1032 to rotate in multiple directions, thereby facilitating the movement of the table 10.
Optionally, the platform support structure 104 includes a connecting plate structure 1040 protruding and hinged to the bottom side of the platform body, and a telescopic support rod structure 1041 connecting the middle portion of the connecting plate structure 1040 and the side of the platform body 100; the connecting plate structure 1040 includes a connecting plate main body, a supporting wedge block disposed at one end of the connecting plate main body and used for supporting the ground, and a first fixing block hinged to the other end of the connecting plate main body and fixedly disposed on the side of the rack body 100; the telescopic supporting rod structure 1041 comprises a telescopic supporting rod main body, one end of which is hinged to the middle part of the connecting plate main body, and a second fixing block, the other end of which is hinged to the telescopic supporting rod main body and is fixedly arranged on the side surface of the rack body 100.
Control telescopic support rod structure 1041 through control panel 101 and carry out concertina movement, specifically do, control panel 101 control drive hydraulic assembly is to the flexible bracing piece main part fuel feeding that corresponds, the telescopic support rod main part of drive is telescopic movement, and then make flexible bracing piece main part drive connecting plate main part from vertical state down motion, rethread support voussoir is fixed with workstation 10 with the ground laminating, after the noise test, upwards withdraw the connecting plate structure from the state of putting down through telescopic support rod structure 1041 equally.
Optionally, the workbench 10 further includes a sensor integration module disposed on the rack body 100 and electrically connected to the control panel 101, and the sensor integration module includes a radar velometer, an infrared temperature sensor, a humidity sensor and an air pressure height sensor. The radar velocimeter is a device which calculates the movement speed of the measured object according to the received reflected wave frequency shift quantity. The infrared temperature sensor focuses infrared energy on a photoelectric detector and converts the infrared energy into corresponding electric signals, and the signals are converted into temperature values of a measured target after passing through an amplifier and a signal processing circuit and being corrected according to an algorithm in an instrument and the target emissivity. The humidity sensor is characterized in that a substrate is covered with a film made of a humidity sensing material by utilizing the characteristics of a humidity sensitive resistor, when water vapor in air is adsorbed on the humidity sensing film, the resistivity and the resistance of an element are changed, and the humidity can be measured by utilizing the characteristic. The barometric pressure sensor is a sensor for measuring altitude using a change in barometric pressure. Therefore, the sensor integration module is arranged to be capable of integrating various convenient functions on the real-time monitoring of the testing surrounding environment such as temperature, altitude, humidity and the like, so that complete data information is provided, and the accuracy of the test is guaranteed.
It should be noted that, a retractable auxiliary panel can be further arranged on the workbench 10, and can be drawn out when in use, so as to enlarge the working area of the workbench 10, and a plurality of storage drawers can be arranged below the auxiliary panel and can be used for placing the equipment required by the test, so that the workbench 10 is used as a carrier, thereby greatly facilitating the development of the test.
The invention provides an auxiliary testing device for noise inside and outside a vehicle, when testing the noise of the vehicle, a manual head device 30 is arranged on a manual head fixing plate structure 201, a workbench 10 is moved to a proper position of the vehicle, at the moment, the distance between the manual head device 30 and the tested vehicle can be more accurately measured by arranging a wireless infrared distance meter, because an adjusting base structure 200 can rotate at the top end of a rack body 100, the adjusting base structure 200 can be rotated to adjust the position of the manual head device 30, the adjusting base structure 200 is controlled by a control panel 101 to move, so that the manual head fixing plate structure 201 hinged with the adjusting base structure 200 correspondingly moves, in particular, when the control panel 101 controls a driving hydraulic driving cylinder body to supply oil to a corresponding hydraulic driving mandril, the driving hydraulic driving mandril to move, at the moment, a hydraulic driving mandril to ascend according to the inclination angle posture of the manual head device 30, another corresponding hydraulic drive ejector rod descends, the connector hinged to the hydraulic drive ejector rod correspondingly moves in a matched mode at the moment, the fixing plate main body 2010 is made to incline, the angle of the artificial head device 30 can be adjusted at the moment, the angle between the artificial head device 30 and a tested automobile and the posture (left-leaning, right-leaning, forward-leaning and backward-leaning) of the artificial head device 30 can be adjusted, the control panel 101 obtains noise inside and outside the automobile received by the artificial head device 30, and then the noise outside the automobile can be read and displayed through the control panel 101. Therefore, the auxiliary testing device for the noise inside and outside the vehicle can automatically adjust the angle of the manual head equipment 30 without manual participation, thereby ensuring the testing precision of the noise and improving the testing efficiency.
Meanwhile, in order to more conveniently move the work table 10 to a proper position of the car; the worktable 10 further includes a plurality of roller structures 103 and a plurality of gantry support structures 104 respectively disposed at the bottom circumference sides of the gantry body 100; the roller 1032 can rotate in multiple directions through the rotating shaft 1030, so that the workbench 10 can move conveniently; control telescopic support rod structure 1041 through control panel 101 and carry out concertina movement, specifically do, control panel 101 control drive hydraulic assembly is to the flexible bracing piece main part fuel feeding that corresponds, the telescopic support rod main part of drive is telescopic movement, and then make flexible bracing piece main part drive connecting plate main part from vertical state down motion, rethread support voussoir is fixed with workstation 10 with the ground laminating, after the noise test, upwards withdraw the connecting plate structure from the state of putting down through telescopic support rod structure 1041 equally.
Meanwhile, the sensor integration module is arranged to integrate various convenient functions for testing the surrounding environment such as temperature, altitude, humidity and the like in real time, complete data information is provided, and the accuracy of the test is guaranteed.
In the description of the present invention, it should be noted that the terms "one side", "one end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an inside and outside noise auxiliary test device of car which characterized in that includes:
the workbench (10) comprises a workbench body (100) and a control panel (101) arranged on the workbench body (100);
the adjusting frame structure (20) comprises an adjusting base structure (200) which is detachably and rotatably arranged at the top end of the table frame body (100) and is electrically connected with the control panel (101), and an artificial head fixing plate structure (201) hinged with the adjusting base structure (200); and the number of the first and second groups,
the artificial head equipment (30) is arranged on the artificial head fixing plate structure (201) and is used for receiving noise inside and outside the vehicle; the control panel (101) is used for acquiring noise inside and outside the vehicle received by the artificial head equipment (30);
the adjusting base structure (200) and the artificial head fixing plate structure (201) are correspondingly matched to adjust the angle of the artificial head equipment (30).
2. The auxiliary testing device for noise inside and outside a vehicle according to claim 1, wherein the adjusting base structure (200) comprises a base main body (2000) provided at the top end of the stand body (100), and a plurality of lifting support rod structures (2001) provided at the top end of the base main body (2000);
artifical first fixed plate structure (201) include with fixed plate main part (2010) that base main part (2000) corresponds the setting from top to bottom, and locate the bottom of fixed plate main part (2010) and with a plurality of lift bracing piece structure (2001) one-to-one articulated a plurality of connecting piece structure (2011), artifical first equipment (30) are fixed to be located the top of fixed plate main part (2010).
3. The auxiliary testing device for noise inside and outside a vehicle according to claim 2, wherein the lifting support rod structure (2001) is a hydraulic push rod structure;
the hydraulic ejector rod structure comprises a hydraulic drive cylinder body arranged at the top end of the base main body (2000), and a hydraulic drive ejector rod connected with the hydraulic drive cylinder body;
the connecting piece structure (2011) is including locating the connecting rod of the bottom of fixed plate main part (2010), and locate the articulated joint of the tip of connecting rod, the articulated joint with the hydraulic drive ejector pin is articulated.
4. The in-vehicle noise auxiliary testing device according to claim 2, wherein the lifting support rod structures (2001) are provided with five, one of the lifting support rod structures (2001) is provided at the middle portion of the base main body, and the remaining four lifting support rod structures (2001) are provided around the periphery of the lifting support rod structure (2001) at the middle portion of the base main body (2000);
the connecting piece structures (2011) are correspondingly provided with five connecting piece structures, one connecting piece structure (2011) is arranged in the middle of the fixing plate main body (2010), and the other four connecting piece structures (2011) are arranged around the periphery of the connecting piece structures (2011) in the middle of the fixing plate main body (2010).
5. The auxiliary testing device for noise inside and outside a vehicle according to claim 1, wherein the workbench (10) further comprises a rotating base structure (102) arranged at the top end of the rack body (100), and a mounting hole rotatably matched with the rotating base structure (102) is formed at the bottom end of the base main body (2000).
6. The auxiliary testing device for noise inside and outside a vehicle according to claim 2, wherein a wireless infrared distance meter is arranged on the base main body (2000); and/or the presence of a gas in the gas,
the fixing plate main body (2010) is provided with a wireless infrared distance meter.
7. The in-vehicle noise auxiliary testing device according to any one of claims 1 to 6, wherein the workbench (10) further comprises a plurality of roller structures (103) respectively disposed on the bottom periphery side of the rack body (100), and a plurality of rack support structures (104) respectively disposed on the bottom periphery side of the rack body (100) and electrically connected to the control panel (101).
8. The in-vehicle noise auxiliary testing device according to claim 7, wherein the roller structure (103) comprises a rotation shaft (1030) provided at a bottom end of the rack body (100), a roller connecting frame (1031) connected to the rotation shaft (1030), and a roller (1032) rotatably connected to the roller connecting frame (1031).
9. The auxiliary testing device for noise inside and outside a vehicle as claimed in claim 7, wherein the platform support structure (104) comprises a connecting plate structure (1040) protruding and hinged to the bottom side of the platform body, and a telescopic support rod structure (1041) connecting the middle part of the connecting plate structure (1040) and the side of the platform body (100);
the connecting plate structure (1040) comprises a connecting plate main body, a supporting wedge block arranged at one end of the connecting plate main body and used for supporting the ground, and a first fixing block hinged to the other end of the connecting plate main body and fixedly arranged on the side face of the rack body (100);
the telescopic support rod structure (1041) comprises a telescopic support rod main body and a second fixed block, wherein one end of the telescopic support rod main body is hinged to the middle of the connecting plate main body, and the second fixed block is hinged to the other end of the telescopic support rod main body and fixedly arranged on the side face of the rack body (100).
10. The auxiliary testing device for noise inside and outside a vehicle according to any one of claims 1 to 6, wherein the workbench (10) further comprises a sensor integration module which is arranged on the workbench body (100) and electrically connected with the control panel (101), and the sensor integration module comprises a radar velocimeter, an infrared temperature sensor, a humidity sensor and an air pressure height sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110031948.3A CN112665714B (en) | 2021-01-11 | 2021-01-11 | Auxiliary testing device for noise inside and outside vehicle |
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