CN216051793U - Head wind speed and direction testing device for automobile passengers - Google Patents
Head wind speed and direction testing device for automobile passengers Download PDFInfo
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- CN216051793U CN216051793U CN202122115151.XU CN202122115151U CN216051793U CN 216051793 U CN216051793 U CN 216051793U CN 202122115151 U CN202122115151 U CN 202122115151U CN 216051793 U CN216051793 U CN 216051793U
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229920002457 flexible plastic Polymers 0.000 claims 2
- 238000011156 evaluation Methods 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model aims to provide a device for testing the wind speed and the wind direction of the head of an automobile passenger, which has low cost and is flexible and convenient to use. The utility model discloses a device for testing the head wind speed and the wind direction of an automobile passenger, which comprises a sensor for collecting airflow data, a data collection display and an analog-to-digital converter, and is characterized by also comprising a sensor support, wherein the sensor support is of a cage structure with an open end, the sensor is fixed at the open end of the sensor support, a signal output line of the sensor is converged at the closed end of the sensor support and then is connected with one end of a data transmission line, and the other end of the data transmission line is connected with the data collection display through the analog-to-digital converter. The testing device has higher universality, is simple and convenient to arrange, is stable and reliable, has low cost, and can replace a special comfort evaluation dummy to carry out the wind speed and wind direction test on the head of the automobile passenger so as to reduce the testing cost.
Description
Technical Field
The utility model belongs to the field of automobile testing, and particularly relates to a device for testing wind speed and wind direction of the head of an automobile passenger.
Background
In the development of the comfort of the automobile, the design size, the arrangement position and the like of the air outlet of the air conditioner may affect the comfort of passengers in the passenger compartment. In hot days, the temperature of the air outlet is constant, and the subjective feeling of the passengers on the whole vehicle cooling performance can be influenced by the wind feeling. Currently, the wind speed and the wind direction of the head of a vehicle occupant can be objectively tested only by purchasing a special comfort evaluation dummy, but the dummy is expensive and is not easy to carry.
Disclosure of Invention
The utility model aims to provide a device for testing the wind speed and the wind direction of the head of an automobile passenger, which has low cost and is flexible and convenient to use.
The utility model discloses a device for testing the head wind speed and the wind direction of an automobile passenger, which comprises a sensor for collecting airflow data, a data collection display and an analog-to-digital converter, and is characterized by also comprising a sensor support, wherein the sensor support is of a cage structure with an open end, the sensor is fixed at the open end of the sensor support, a signal output line of the sensor is converged at the closed end of the sensor support and then is connected with one end of a data transmission line, and the other end of the data transmission line is connected with the data collection display through the analog-to-digital converter.
During testing, the dummy is placed on an automobile seat, a sensor support is sleeved on the head of the dummy from top to bottom, a sensor (a hot wire type wind speed sensor can be adopted) is installed on the sensor support, the sensor can generate an analog signal after sensing airflow, the generated analog signal is transmitted to a digital-to-analog converter through a data transmission line, the digital-to-analog converter converts the analog signal into a digital signal and then transmits the digital signal to a data acquisition display, and the data acquisition display records data and displays head wind speed distribution through the display. The tester can mount a suitable number of sensors on the sensor support as required, and the details are not repeated here. The test only needs to match the sensor bracket with a common dummy, and does not need a professional and expensive comfort evaluation dummy, thereby reducing the cost.
Specifically, the sensor support comprises a plurality of elastic sheets extending from a closed end to an open end, and the elastic sheets are converged and connected at the closed end of the sensor support; the sensor holder further includes a resilient cord at the open end connecting the ends of the flexible sheet. The open end of the sensor support of the structure has certain elasticity, can adapt to false heads of different sizes, and can also utilize the elasticity of the sensor support to ensure the stability of the sensor support on the false heads.
Furthermore, the closed end of the sensor support is provided with a screw hole, and a bolt extending into the sensor support is screwed in the screw hole. The bolt is screwed into the sensor support, so that the end part of the bolt is abutted to the top position of the head of the dummy, the position of the sensor support on the head of the dummy can be controlled, and different test requirements are met.
Furthermore, the data transmission line partially or totally wears to locate in the plastic flexible pipe, the one end of plastic flexible pipe and the blind end fixed connection of sensor support. The plastic flexible pipe is used for placing the data transmission line, the trend of the data transmission line can be controlled, the data transmission line can be well kept at the rear part of the head of the dummy, and the air flow distribution of the head of the dummy is not influenced by the shaking of the data transmission line in the test process, so that the test accuracy is influenced.
Furthermore, one side surface of the analog-to-digital converter is provided with an adhesive material layer so as to be convenient for adhering and fixing the analog-to-digital converter on the back of the dummy.
The testing device has higher universality, is simple and convenient to arrange, is stable and reliable, has low cost, and can replace a special comfort evaluation dummy to carry out the wind speed and wind direction test on the head of the automobile passenger so as to reduce the testing cost.
Drawings
Fig. 1 is a schematic overall configuration diagram of a device for testing the wind speed and the wind direction of the head of an automobile occupant according to embodiment 1.
Fig. 2 is an isometric view of the sensor holder of example 1.
Fig. 3 is a plan view of the sensor holder in embodiment 1.
Fig. 4, 5 and 6 are schematic views of the use states of the device for testing the wind speed and the wind direction on the head of the passenger in the automobile according to embodiment 1 at different angles.
The figures are numbered: 1. a sensor; 2. a data acquisition display; 3. an analog-to-digital converter; 4. a sensor holder; 41. an elastic sheet; 42. an elastic cord; 43. a bolt; 5. a data transmission line; 6. a flexible tube of moldable material; 7. a dummy.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
the embodiment provides the device for testing the wind speed and the wind direction of the head of the automobile passenger, which has low cost and is flexible and convenient to use.
As shown in fig. 1 to 3, the device for testing the head wind speed and the wind direction of the vehicle occupant of the embodiment includes a sensor 1 for collecting airflow data, a data collecting display 2 and an analog-to-digital converter 3, and is characterized in that the device further includes a sensor bracket 4, the sensor bracket 4 is a cage-shaped structure with an open end, the sensor 1 is fixed at the open end of the sensor bracket 4, a signal output line of the sensor 1 is converged behind the closed end of the sensor bracket 4 and then connected with one end of a data transmission line 5, and the other end of the data transmission line 5 is connected with the data collecting display 2 through the analog-to-digital converter 3.
Specifically, the sensor holder 4 comprises a plurality of elastic sheets 41 extending from a closed end to an open end, and the elastic sheets 41 converge and are connected at the closed end of the sensor holder 4; the sensor holder 4 further includes an elastic cord 42 at the open end and connecting the ends of the elastic pieces 41. The open end of the sensor support 4 with the structure has certain elasticity, so that the sensor support can adapt to the heads of the dummy with different sizes, and meanwhile, the stability of the sensor support 4 on the head of the dummy can be ensured by utilizing the elasticity of the sensor support.
The closed end of the sensor support 4 is provided with a screw hole, and a bolt 43 extending into the sensor support 4 is screwed into the screw hole. The bolt 43 is screwed into the sensor support 4, so that the end part of the bolt 43 is abutted to the top position of the head of the dummy, the position of the sensor support 4 on the head of the dummy can be controlled, and different test requirements are met.
The data transmission line 5 is partially arranged in the plastic flexible pipe 6 in a penetrating way, and one end of the plastic flexible pipe 6 is fixedly connected with the closed end of the sensor support 4. The data transmission line 5 is placed by the plastic flexible pipe 6, so that the trend of the data transmission line 5 can be controlled, the data transmission line 5 can be well kept at the rear of the head of the dummy, the air flow distribution of the head of the dummy is not influenced by the shaking of the data transmission line 5 in the test process, and the test accuracy is further influenced.
One side of the analog-to-digital converter 3 is provided with a layer of adhesive material.
As shown in fig. 4 to 6, during testing, firstly, the dummy 7 is placed on a car seat, then the sensor support 4 is sleeved on the head of the dummy 7 from top to bottom, the analog-to-digital converter 3 is fixed on the back of the dummy 7 in an adhering manner, the sensor 1 (the hot wire type wind speed sensor 1 can be adopted) is installed on the sensor support 4, the sensor 1 can generate an analog signal after sensing air flow, the generated analog signal is transmitted to the digital-to-analog converter through the data transmission line 5, the analog signal is converted from an analog signal to a digital signal by the digital-to-analog converter and then transmitted to the data acquisition display 2, and the data acquisition display 2 records data and displays the head wind speed distribution through the display. The tester can mount a suitable number of sensors 1 on the sensor holder 4 as required, and the details thereof are omitted. The test just needs to match the sensor support 4 with the common dummy 7, and does not need a professional and expensive comfort evaluation dummy 7, so that the cost is reduced.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the utility model is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a car passenger head wind speed and direction testing arrangement, is including the sensor that is used for gathering the air current data to and data acquisition display, adc, its characterized in that, this testing arrangement still includes a sensor support, the sensor support is one end open-ended cage structure, the sensor is fixed in sensor support's open end, and the signal output line of sensor assembles behind sensor support's blind end, is connected with data transmission line's one end again, and data transmission line's the other end passes through adc and links to each other with the data acquisition display.
2. The device for testing the wind speed and the wind direction on the head of the automobile occupant according to claim 1, wherein the sensor support comprises a plurality of elastic sheets extending from a closed end to an open end, and the elastic sheets are converged and connected at the closed end of the sensor support; the sensor holder further includes a resilient cord at the open end connecting the ends of the flexible sheet.
3. The device for testing the wind speed and the wind direction on the head of the automobile passenger as claimed in claim 1 or 2, wherein the closed end of the sensor support is provided with a screw hole, and a bolt extending into the sensor support is screwed into the screw hole.
4. The apparatus for testing wind speed and wind direction on the head of an automobile occupant according to claim 3, wherein a part or all of said data transmission line is inserted into a flexible plastic tube, and one end of said flexible plastic tube is fixedly connected to the closed end of said sensor holder.
5. The apparatus for testing wind speed and wind direction on the head of an automobile occupant according to claim 4, wherein a side of said A/D converter is provided with a layer of adhesive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115151.XU CN216051793U (en) | 2021-09-03 | 2021-09-03 | Head wind speed and direction testing device for automobile passengers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115151.XU CN216051793U (en) | 2021-09-03 | 2021-09-03 | Head wind speed and direction testing device for automobile passengers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216051793U true CN216051793U (en) | 2022-03-15 |
Family
ID=80597065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122115151.XU Active CN216051793U (en) | 2021-09-03 | 2021-09-03 | Head wind speed and direction testing device for automobile passengers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216051793U (en) |
-
2021
- 2021-09-03 CN CN202122115151.XU patent/CN216051793U/en active Active
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