CN214066415U - Calibration device for chassis dynamometer for detecting automobile exhaust pollutants - Google Patents
Calibration device for chassis dynamometer for detecting automobile exhaust pollutants Download PDFInfo
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- CN214066415U CN214066415U CN202120216626.1U CN202120216626U CN214066415U CN 214066415 U CN214066415 U CN 214066415U CN 202120216626 U CN202120216626 U CN 202120216626U CN 214066415 U CN214066415 U CN 214066415U
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 19
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- 238000001514 detection method Methods 0.000 claims description 17
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- 238000004458 analytical method Methods 0.000 description 6
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- 238000004088 simulation Methods 0.000 description 5
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- 238000012351 Integrated analysis Methods 0.000 description 2
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Abstract
The utility model discloses an automobile exhaust pollutant detects chassis dynamometer calibrating device, including device shell body and main shaft, one side of device shell body is provided with runner fixed establishment, and runner fixed establishment's inside is provided with the runner body, the main shaft sets up in runner body and runner fixed establishment's junction, one side of main shaft is provided with button power transfer line, the one end of button power transfer line is provided with force cell sensor, and one side of force cell sensor is provided with the processing unit. This car exhaust pollutant detects chassis dynamometer calibrating device is provided with photosensitive receiver, and photosensitive receiver sees through openly relative between through-hole and the luminotron, and the main effect of code wheel lies in can simulating synchronous revolution with the transmission gyro wheel of rotation axis interlock to drive its through-hole all around and carry out circumferential direction, and the effect of luminotron lies in through the through-hole with light beam directive photosensitive receiver, and carry out the light induction by photosensitive receiver.
Description
Technical Field
The utility model relates to an automobile exhaust dynamometer machine calibration technical field specifically is an automobile exhaust pollutant detects chassis dynamometer machine calibrating device.
Background
The dynamometer, also called dynamometer, is mainly used for testing the power of the engine, and also can be used as loading equipment of a gear box, a speed reducer and a gearbox, and is used for testing the transmission power of the engine, and mainly comprises a hydraulic dynamometer, an electric eddy current dynamometer and an electric dynamometer, wherein the electric dynamometer utilizes a motor to measure the torque output on various power mechanical shafts, and combines the rotating speed to determine the power, because the measured power machinery has different rotating speeds, the motor used as the electric dynamometer needs to be a motor capable of smoothly regulating the speed, and more motors are a direct current dynamometer, an alternating current dynamometer and an eddy current dynamometer.
At present, most of calibration devices for chassis dynamometer used for detecting automobile exhaust pollutants in the market are similar, most of the used dynamometers do not have complete and effective calibration devices, and the dynamometer is deficient in the aspect of analog calculation due to the fact that the calibration devices are not complete.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car exhaust pollutant detects chassis dynamometer calibrating device to it is most similar to be used for car exhaust pollutant to detect chassis dynamometer calibrating device on the present market that proposes in the above-mentioned background art to solve, and the dynamometer machine that uses most does not have complete effectual calibrating device, is exactly because calibrating device's imperfection, thereby leads to the dynamometer machine to have the problem of lacking in the aspect of the analog computation.
In order to achieve the above object, the utility model provides a following technical scheme: a calibrating device for an automobile exhaust pollutant detection chassis dynamometer comprises a device shell and a main shaft, wherein a rotating wheel fixing mechanism is arranged on one side of the device shell, a rotating wheel body is arranged inside the rotating wheel fixing mechanism, the main shaft is arranged at the joint of the rotating wheel body and the rotating wheel fixing mechanism, a button force transmission rod is arranged on one side of the main shaft, a force transducer is arranged at one end of the button force transmission rod, a processing unit is arranged on one side of the force transducer, a sliding groove is formed in the upper end of the inside of the device shell, a sliding block is arranged on the inner side of the sliding groove, a spring is arranged on one side of the sliding block, a supporting rod is arranged at the lower end of the sliding block, a rotating shaft is arranged at the lower end of the supporting rod, a bearing is arranged at the joint of the rotating shaft and the supporting rod, a transmission roller is arranged on the periphery of the outer side of the rotating shaft, and a code disc is arranged at one end of the transmission roller penetrating through the supporting rod, a through hole is formed in the periphery of the code disc, a speed measuring device is arranged on one side of the outer portion of the supporting rod, a speed detecting module is arranged on one side of the inner portion of the speed measuring device, a photosensitive receiver is arranged on one side of the speed detecting module, and a light emitting tube is arranged on one side of the code disc.
Preferably, the photosensitive receiver penetrates through the through hole and is opposite to the front face of the light emitting tube, and the through hole is uniformly distributed along the periphery of the code disc.
Preferably, the speed measuring device and the supporting rod are fixed into a whole, and the speed detecting modules on the inner side of the speed measuring device are distributed in a disc shape.
Preferably, the rotating shaft is movably connected with the supporting rod through a bearing, and the transmission roller outside the rotating shaft is attached to the rotating wheel body.
Preferably, the sliding block is elastically connected with the sliding groove through a spring, and the supporting rods at the lower end of the sliding block are vertically distributed.
Preferably, the force measuring sensor is connected with the main shaft through a button force transmission rod, and the outer wall of the main shaft is attached to the inner wall of the rotating wheel body.
Preferably, the outer shell of the device and the rotating wheel fixing mechanism are fixed into a whole, and the processing units inside the outer shell of the device are distributed in a rectangular shape.
Compared with the prior art, the beneficial effects of the utility model are that: this car exhaust pollutant detects chassis dynamometer calibrating device is provided with photosensitive receiver, photosensitive receiver sees through openly relative between through-hole and the luminotron, the main effect of code wheel lies in can simulating synchronous revolution with the transmission gyro wheel of rotation axis interlock, thereby drive its through-hole all around and carry out circumferential direction, and the effect of luminotron lies in through the through-hole with light beam directive photosensitive receiver, and carry out the light induction by photosensitive receiver, because the through-hole can make the light beam that passes take place the phenomenon of repeated blocking at the pivoted in-process, and the light beam frequency height of repeated blocking can be in time accepted by photosensitive receiver, and with information transmission to speed detection module, carry out preliminary speed analog analysis by speed detection module again, thereby measure the rotational speed of transmission gyro wheel.
The rotation axis passes through to constitute swing joint between bearing and the bracing piece, because the accurate rotational speed of transmission gyro wheel can't directly be measured to speed detection device, consequently, the main effect of transmission gyro wheel lies in can carrying out the response often with the rotatory week speed of runner body, and rotate synchronous rotation to rotation axis and code wheel through runner body and transmission gyro wheel, and the code wheel is in case rotate then can carry out accurate response and analysis by the speed sensor, thereby finally measure the rotational speed of runner body, simultaneously in order to reduce the rotating resistance between rotation axis and the bracing piece, consequently the effect of bearing lies in can making the rotation axis more smooth when rotating, thereby further strengthened rotational speed calibration precision.
The force transducer is connected with the main shaft through the button force transmission rod, detection of automobile exhaust is comprehensive data analysis, the rotating speed of the runner body is required to be detected, meanwhile, the bumping amplitude of the runner body, namely comprehensive road conditions, is subjected to simulation analysis, and then the emission of the exhaust under different road conditions can be detected.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is a schematic view of the external structure of the speed measuring device of the present invention;
fig. 3 is a schematic view of the internal structure of the speed measuring device of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the code wheel of the present invention.
In the figure: 1. a device housing; 2. a rotating wheel fixing mechanism; 3. a runner body; 4. a main shaft; 5. a button force transmission rod; 6. a force sensor; 7. a processing unit; 8. a chute; 9. a slider; 10. a spring; 11. A support bar; 12. a rotating shaft; 13. a bearing; 14. a transmission roller; 15. a speed measuring device; 16. code disc; 17. a through hole; 18. a speed detection module; 19. a photosensitive receiver; 20. a light emitting tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a calibrating device for an automobile exhaust pollutant detection chassis dynamometer comprises a device shell 1, a rotating wheel fixing mechanism 2, a rotating wheel body 3, a main shaft 4, a torsional spring 5, a force transducer 6, a processing unit 7, a chute 8, a slide block 9, a spring 10, a support rod 11, a rotating shaft 12, a bearing 13, a transmission roller 14, a speed measuring device 15, a code disc 16, a through hole 17, a speed detection module 18, a photosensitive receiver 19 and a light emitting tube 20, wherein the rotating wheel fixing mechanism 2 is arranged on one side of the device shell 1, the rotating wheel body 3 is arranged inside the rotating wheel fixing mechanism 2, the main shaft 4 is arranged at the joint of the rotating wheel body 3 and the rotating wheel fixing mechanism 2, the torsional spring 5 is arranged on one side of the main shaft 4, the force transducer 6 is arranged at one end of the torsional spring 5, the processing unit 7 is arranged on one side of the force transducer 6, the chute 8 is arranged at the upper end inside the device shell 1, a sliding block 9 is arranged on the inner side of the sliding groove 8, a spring 10 is arranged on one side of the sliding block 9, a supporting rod 11 is arranged at the lower end of the sliding block 9, a rotating shaft 12 is arranged at the lower end of the supporting rod 11, a bearing 13 is arranged at the joint of the rotating shaft 12 and the supporting rod 11, a transmission roller 14 is arranged on the periphery of the outer side of the rotating shaft 12, a coded disc 16 is arranged at one end, penetrating through the supporting rod 11, of the transmission roller 14, a through hole 17 is arranged on the periphery of the edge of the coded disc 16, a speed measuring device 15 is arranged on one side of the outer portion of the supporting rod 11, a speed detecting module 18 is arranged on one side of the speed detecting module 15, a photosensitive receiver 19 is arranged on one side of the speed detecting module 18, and a light emitting tube 20 is arranged on one side of the coded disc 16;
the photosensitive receiver 19 is opposite to the light emitting tube 20 through the front face between the through hole 17 and the through hole 17 is uniformly distributed along the edge of the coded disc 16 in a circle, the coded disc 16 mainly has the function of simulating and synchronously rotating the transmission roller 14 linked with the rotating shaft 12 so as to drive the through holes 17 around the coded disc to circumferentially rotate, the light emitting tube 20 has the function of emitting light beams to the photosensitive receiver 19 through the through hole 17 and carrying out light sensing by the photosensitive receiver 19, the passing light beams can be repeatedly blocked by the through hole 17 in the rotating process, the frequency of the repeatedly blocked light beams can be timely received by the photosensitive receiver 19 and transmitted to the speed detection module 18, and the speed detection module 18 carries out preliminary speed simulation analysis so as to measure the rotating speed of the transmission roller 14;
the speed measuring device 15 and the supporting rod 11 are fixed into a whole, the speed detecting modules 18 on the inner side of the speed measuring device 15 are distributed in a disc shape, the speed measuring device 15 mainly has the main function of analyzing and detecting information received by the photosensitive receiver 19 through the speed detecting modules 18 in the speed measuring device 15, so that the real-time rotating speed of the transmission roller 14 is finally measured, the independent detecting device is relatively accurate in calibration, and the speed measuring device 15 and the supporting rod 11 are fixed into a whole and are used for preventing the unstable test caused by shaking of the speed measuring device 15;
the rotating shaft 12 is movably connected with the supporting rod 11 through the bearing 13, the transmission roller 14 on the outer side of the rotating shaft 12 is attached to the rotating wheel body 3, and the speed detection device cannot directly detect the accurate rotating speed of the transmission roller 14, so the transmission roller 14 mainly has the main functions of sensing the rotating peripheral speed of the rotating wheel body 3 from time to time, synchronously rotating the rotating shaft 12 and the coded disc 16 through the synchronous rotation of the rotating wheel body 3 and the transmission roller 14, and the coded disc 16 is accurately sensed and analyzed by the speed detection device 15 once rotating, so that the rotating speed of the rotating wheel body 3 is finally detected, and meanwhile, in order to reduce the rotating resistance between the rotating shaft 12 and the supporting rod 11, the bearing 13 has the functions of enabling the rotating shaft 12 to rotate more smoothly, so that the rotating speed calibration accuracy is further enhanced;
the sliding block 9 is elastically connected with the sliding chute 8 through the spring 10, and the supporting rods 11 at the lower end of the sliding block 9 are vertically distributed, so that the phenomenon of bumping and shaking can occur in the rotating process of the rotating wheel body 3, and the transmission roller 14 attached to the rotating wheel body can be frequently and instantly separated from the rotating wheel body 3, and further calibration errors can be caused, so that the spring 10 mainly has the effects of being matched with the sliding block 9 and elastically pushing the supporting rods 11 at the lower end of the sliding block 9 for fixing the transmission roller 14, so that the transmission roller 14 is prevented from being separated from the rotating wheel body 3, and meanwhile, the sliding block 9 can be more smoothly translated under the matching of the sliding chute 8;
the force measuring sensor 6 is connected with the main shaft 4 through the button force transmission rod 5, the outer wall of the main shaft 4 is attached to the inner wall of the rotating wheel body 3, detection of automobile exhaust is comprehensive data analysis, the rotating speed of the rotating wheel body 3 needs to be detected, meanwhile, the bumping amplitude of the rotating wheel body 3, namely comprehensive road conditions, is subjected to simulation analysis, and then the emission amount of the exhaust under different road conditions can be detected, so that the button force transmission rod 5 is mainly used for transmitting the button force to the rotating wheel body 3 fixed with the main shaft 4 through being connected with the main shaft 4, transmitting the force to the force measuring sensor 6, and finally analyzing and measuring the torque data by the force measuring sensor 6;
for fixed an organic whole between device shell body 1 and the runner fixed establishment 2, and the inside processing unit 7 of device shell body 1 is the rectangle form and distributes, the core fixed body of whole calibrating device is regarded as to device shell body 1, it mainly plays carries out spacing fixed effect to each determine module, runner fixed establishment 2 then mainly plays and installs fixed effect to runner body 3, the primary action of processing unit 7 lies in can carrying out integrated analysis to the rotational speed of runner body 3 and torsion data etc. simultaneously, thereby the simulation and the tail gas discharge volume of assay car.
The working principle is as follows: for the calibrating device of the chassis dynamometer for detecting the exhaust pollutants of the automobile, firstly, the rotating wheel fixing mechanism 2 at one end of the outer shell 1 of the device is installed and fixed at the testing part of the engine, when in operation, the rotating wheel body 3 and the main shaft 4 inside the rotating wheel fixing mechanism 2 rotate along with the rotating, at the same time, the button force transmission rod 5 transmits the button force to the rotating wheel body 3 fixed with the main shaft 4, so as to transmit the force to the force sensor 6, and finally, the force sensor 6 analyzes and measures the torque data, meanwhile, the transmission roller 14 at the lower end of the supporting rod 11 also rotates along with the rotating wheel body 3 synchronously, wherein the speed measuring device 15 mainly has the function of measuring the real-time rotating speed of the transmission roller 14, and the specific testing process of the code disc 16 is that the transmission roller 14 linked with the rotating shaft 12 can be simulated and synchronously rotated, thereby driving the through holes 17 around the light emitting tube 20 to rotate circumferentially, and the light emitting tube 20 is used for emitting light beams to the photosensitive receiver 19 through the through holes 17 and sensing the light beams by the photosensitive receiver 19, because the through holes 17 can cause the passing light beams to generate the phenomenon of repeated blocking in the rotating process, the frequency of the repeatedly blocked light beams can be received by the photosensitive receiver 19 in time, and the information is transmitted to the speed detection module 18, and then the speed detection module 18 carries out preliminary speed simulation analysis, thereby measuring the rotating speed of the transmission roller 14, meanwhile, because the rotating wheel body 3 can generate the phenomenon of jolt and shake in the rotating process, and the transmission roller 14 attached with the rotating wheel body can be frequently separated from the rotating wheel body 3 instantly, thereby causing calibration errors, therefore, the main function of the spring 10 is to be matched with the sliding block 9 and elastically push the supporting rod 11 used for fixing the transmission roller 14 at the lower end of the sliding block 9, thereby avoided transmission gyro wheel 14 to break away from in runner body 3, can make slider 9 translation more smooth under the cooperation of spout 8 simultaneously, finally, processing unit 7's main effect lies in can carrying out integrated analysis to the rotational speed of runner body 3 and torsion data etc. to the tail gas emission volume of automobile is simulated and analyzed out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automobile exhaust pollutant detects chassis dynamometer calibrating device, includes device shell body (1) and main shaft (4), its characterized in that: one side of the device shell body (1) is provided with a rotating wheel fixing mechanism (2), a rotating wheel body (3) is arranged inside the rotating wheel fixing mechanism (2), the main shaft (4) is arranged at the joint of the rotating wheel body (3) and the rotating wheel fixing mechanism (2), one side of the main shaft (4) is provided with a button force transmission rod (5), one end of the button force transmission rod (5) is provided with a force measuring sensor (6), one side of the force measuring sensor (6) is provided with a processing unit (7), the upper end inside the device shell body (1) is provided with a sliding chute (8), the inner side of the sliding chute (8) is provided with a sliding block (9), one side of the sliding block (9) is provided with a spring (10), the lower end of the sliding block (9) is provided with a supporting rod (11), the lower end of the supporting rod (11) is provided with a rotating shaft (12), and the joint of the, the utility model discloses a speed measuring device, including rotation axis (12), drive roller (14) are provided with in the outside a week of rotation axis (12), and drive roller (14) run through the one end in bracing piece (11) and be provided with code wheel (16), the edge a week of code wheel (16) is provided with through-hole (17), outside one side of bracing piece (11) is provided with speed sensor (15), and inside one side of speed sensor (15) is provided with speed detection module (18), one side of speed detection module (18) is provided with photosensitive receiver (19), one side of code wheel (16) is provided with luminotron (20).
2. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the front surfaces of the photosensitive receivers (19) and the light emitting tubes (20) are opposite through the through holes (17), and the through holes (17) are uniformly distributed along the periphery of the coded disc (16).
3. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the speed measuring device (15) and the supporting rod (11) are fixed into a whole, and the speed detecting modules (18) on the inner side of the speed measuring device (15) are distributed in a disc shape.
4. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the rotating shaft (12) is movably connected with the supporting rod (11) through a bearing (13), and a transmission roller (14) on the outer side of the rotating shaft (12) is attached to the rotating wheel body (3).
5. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the sliding block (9) is elastically connected with the sliding groove (8) through a spring (10), and the supporting rods (11) at the lower end of the sliding block (9) are vertically distributed.
6. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the force measuring sensor (6) is connected with the main shaft (4) through the button force transmission rod (5), and the outer wall of the main shaft (4) is attached to the inner wall of the rotating wheel body (3).
7. The device for calibrating the chassis dynamometer for detecting the exhaust pollutants of the automobile according to claim 1, wherein: the device shell (1) and the rotating wheel fixing mechanism (2) are fixed into a whole, and the processing units (7) in the device shell (1) are distributed in a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216626.1U CN214066415U (en) | 2021-01-27 | 2021-01-27 | Calibration device for chassis dynamometer for detecting automobile exhaust pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120216626.1U CN214066415U (en) | 2021-01-27 | 2021-01-27 | Calibration device for chassis dynamometer for detecting automobile exhaust pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214066415U true CN214066415U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120216626.1U Expired - Fee Related CN214066415U (en) | 2021-01-27 | 2021-01-27 | Calibration device for chassis dynamometer for detecting automobile exhaust pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214066415U (en) |
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2021
- 2021-01-27 CN CN202120216626.1U patent/CN214066415U/en not_active Expired - Fee Related
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Granted publication date: 20210827 |