CN100575898C - Car door pressure distribution test macro and method thereof - Google Patents
Car door pressure distribution test macro and method thereof Download PDFInfo
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- CN100575898C CN100575898C CN200610165884A CN200610165884A CN100575898C CN 100575898 C CN100575898 C CN 100575898C CN 200610165884 A CN200610165884 A CN 200610165884A CN 200610165884 A CN200610165884 A CN 200610165884A CN 100575898 C CN100575898 C CN 100575898C
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 88
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000010998 test method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 7
- 238000004088 simulation Methods 0.000 description 4
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Abstract
A kind of car door pressure distribution test macro, this system comprises pressure sensitive device (1) and data processing equipment (3), pressure sensitive device (1) is connected with data processing equipment (3); Described pressure sensitive device (1) is used to respond to sealing strip pressure to be measured, obtain the electric signal of expression sealing strip pressure to be measured, described data processing equipment (3) is gathered the electric signal of expression sealing strip pressure to be measured, with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserve this pressure data, wherein, described pressure sensitive device (1) is a sheet type pressure sensitive device.Car door pressure distribution test macro provided by the invention and method thereof, owing to used sheet type pressure sensitive device, make described system and method thereof on automobile, the pressure distribution to sealing strip to test, can reflect the pressure distribution situation of sealing strip on automobile exactly.
Description
Technical field
The present invention relates to the vehicle equipment field, relate in particular to a kind of car door pressure distribution test macro and method thereof.
Background technology
On vehicle, sealing strip has been installed according to its shape separately by car door and doorframe binding site place, and sealing strip plays medium-tight in vehicle, environment is isolated and directly influence the door operation comfortableness.The operator can be when measuring closing of the door the suffered pressure of sealing strip, judge the sealing property and the operation comfort energy of sealing strip.If the sealing strip pressure is greater than predetermined maximum pressure value, illustrate that thereby the contact between two sealing strips has too closely influenced the door operation comfortableness, if and the sealing strip pressure is less than the predetermined minimum pressure value, illustrate that slit between two sealing strips is too big, door sealing is poor, occur after the both of these case, the operator can adjust the tightness degree that contacts of sealing strip and car door according to the pressure value surveyed, thereby the slit between two sealing strips is even when making closing of the door, the good airproof performance of vehicle during closing of the door.
Existing car door pressure distribution test macro and method adopt simulation closing of the door environment and test, such system comprises device for exerting, the pressure sensitive device, signal pickup assembly and signal processing apparatus, device for exerting is used for sealing strip is exerted pressure, the pressure sensitive device is used for the suffered pressure of induction seal, signal pickup assembly is used for the pressure that pressure sensing device senses obtains is converted to electric signal, the electric signal that signal processing apparatus is used to receive from signal pickup assembly is a pressure data with this electrical signal conversion also, and preserves this pressure data.Why the stressing conditions of sealing strip is tested during by the simulation closing of the door, be because the volume of the pressure sensitive device that existing car door pressure distribution test macro adopts is big, can not be directly installed on the car door, so the operator must take off sealing strip and test from car door when test, by device for exerting sealing strip is exerted pressure and simulated pressure.But, there are a defective in the test macro of pressure and method during this simulation closing of the door, be the pressure sensitive device to test be not the suffered pressure of sealing strip on the actual vehicle, can not reflect the suffered actual pressure of car door fully, the data that record are not accurate enough objective, thereby influenced the accuracy of existing car door pressure distribution test macro and method.
Summary of the invention
The objective of the invention is the shortcoming that can't on vehicle, carry out the actual pressure distribution tests that exists in existing car door pressure distribution test macro and the method thereof, provide a kind of and can be implemented in the car door pressure distribution test macro and the method thereof of on the vehicle sealing strip being carried out the actual pressure distribution tests sealing strip.
The invention provides a kind of car door pressure distribution test macro, described system comprises pressure sensitive device and data processing equipment, and the pressure sensitive device is connected with data processing equipment; Described pressure sensitive device is used to respond to sealing strip pressure to be measured, obtain the electric signal of expression sealing strip pressure to be measured, the electric signal of sealing strip pressure to be measured is represented in described data processing equipment collection, with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserve this pressure data, wherein, described pressure sensitive device is a sheet type pressure sensitive device, and number is a plurality of; Described car door pressure distribution test macro also comprises at least two heat-shrink tubes, heat-shrink tube has many to being positioned at the radially opening of opposite position of xsect, the pair of openings that the front end of each described sheet type pressure sensitive device passes a heat-shrink tube, the pair of openings of another heat-shrink tube is passed in the rear end, so that each sheet type pressure sensitive device is fixed by these two heat-shrink tubes and non-pressure-bearing part is coated by the tube wall of described heat-shrink tube.
The invention provides a kind of car door pressure distribution method of testing, described method comprises the step and the data processing step of the electric signal that obtains sealing strip pressure to be measured; Wherein,
The step that obtains the electric signal of sealing strip pressure to be measured comprises by at least two heat-shrink tubes being attached to sealing strip to be measured next door and a plurality of sheet type pressure sensitive devices being fixed on the sealing strip to be measured, closed door obtains the electric signal of sealing strip pressure to be measured with sheet type pressure sensitive device; Described heat-shrink tube has many to being positioned at the radially opening of opposite position of xsect, the pair of openings that the front end of each described sheet type pressure sensitive device passes a heat-shrink tube, the pair of openings of another heat-shrink tube is passed in the rear end, so that each sheet type pressure sensitive device is fixed by these two heat-shrink tubes and non-pressure-bearing part is coated by the tube wall of described heat-shrink tube;
Data processing step is used to gather the electric signal of representing sealing strip pressure to be measured, is pressure data with the electrical signal conversion of representing sealing strip pressure to be measured, and preserves this pressure data.
Car door pressure distribution test macro provided by the invention and method thereof, owing to used sheet type pressure sensitive device, having overcome existing car door pressure distribution test macro and method thereof adopts simulation closing of the door environment and tests and the objective and accurate inadequately shortcoming of test that causes, make described system and method thereof on automobile, the pressure distribution to sealing strip to test, can reflect the pressure distribution situation of sealing strip on automobile exactly.
Description of drawings
Fig. 1 is the structured flowchart of car door pressure distribution test macro provided by the invention;
Fig. 2 is the structured flowchart of first embodiment of car door pressure distribution test macro provided by the invention;
Fig. 3 is the structured flowchart of second embodiment of car door pressure distribution test macro provided by the invention;
Fig. 4 is the structured flowchart of the data processing equipment of car door pressure distribution test macro provided by the invention;
Fig. 5 is the structured flowchart of the 3rd embodiment of car door pressure distribution test macro provided by the invention;
Fig. 6 is the structured flowchart of the 4th embodiment of car door pressure distribution test macro provided by the invention;
Fig. 7 is the structured flowchart of the 5th embodiment of car door pressure distribution test macro provided by the invention;
Fig. 8 is one group of pressure test result of car door pressure distribution test macro provided by the invention;
Fig. 9 is the process flow diagram of car door distribution test method provided by the invention.
Embodiment
As shown in Figure 1, the invention provides a kind of car door pressure distribution test macro, this system comprises pressure sensitive device 1 and data processing equipment 3, and pressure sensitive device 1 is connected with data processing equipment 3; Described pressure sensitive device 1 is used to respond to sealing strip pressure to be measured, obtain the electric signal of expression sealing strip pressure to be measured, described data processing equipment 3 is gathered the electric signal of expression sealing strip pressure to be measured, with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserve this pressure data, wherein, described pressure sensitive device 1 is a sheet type pressure sensitive device.
Described pressure sensitive device 1 obtains the device of the electric signal of expression sealing strip pressure to be measured for responding to sealing strip pressure to be measured arbitrarily.
Under the preferable case, described pressure sensitive device 1 is that 0.05-0.25 millimeter, width are the bar shaped of 5-20 millimeter for thickness, and with so thin thickness, pressure sensitive device 1 can be fixed on the sealing strip on the car door and the sealing strip pressure is measured.
Under the preferable case, described pressure sensitive device 1 is a pliability pressure sensitive device, be that pressure sensitive device 1 can be out of shape along with the sealing strip compressive deformation, and because pressure sensitive device 1 is a sheet type pressure sensitive device, so can not be subjected to extra pressure during the sealing strip pressurized from pressure sensitive device 1.In addition, if pressure sensitive device 1 has pliability, pressure sensitive device 1 is applicable to measuring any suffered pressure of irregular portion position sealing strip on the car door.
Under the preferable case, described pressure sensitive device 1 can be selected Flexiforce series pressure transducer for use.The Flexiforce pressure transducer belongs to the sheet type sensing component, thick 0.127 millimeter, has pliability, it is 9.525 millimeters circular sensing point that its front end has diameter, principle of work is not for when being under pressure, the output resistance of sensor is 20M ohm, and when being under pressure, the output resistance linearity reduces.The rear end of Flexiforce sensor has three pin plugs, can detect the output resistance of sensor by three pin plugs.
Under the preferable case, described pressure sensitive device 1 is a plurality of, the number of pressure sensitive device 1 is decided according to the true form and the length of the sealing strip on the car door, according to a kind of embodiment provided by the invention, car door is divided into four parts according to the shape of car door: first for from rearview mirror to the car door top, second portion for from the car door top to the bottom, third part is that car door bottom and the 4th part are the car door back shaft.For example, be example with the Flexiforce sensor, can 5 sensors be set in first, at second portion 5 sensors are set, in third part 4 sensors are set, 2 sensors are set, 16 sensors are set altogether and are 0 to 15 sensor number in the 4th part.By sensor (being pressure sensitive device 1) is set at diverse location, can measure a plurality of positions pressure of the sealing strip on the car door, the data that obtain can be represented the suffered pressure of sealing strip on the whole car door all sidedly.
As shown in Figure 2, first embodiment of the invention, car door pressure distribution test macro provided by the invention can also comprise stationary installation 4, is used for pressure sensitive device 1 is fixed in sealing strip to be measured.Described stationary installation 4 be can fixation pressure induction installation 1 device, be preferably heat-shrink tube.According to preferred the 3rd embodiment of the present invention, described stationary installation 4 is a heat-shrink tube, as shown in Figure 3, be example still with above-mentioned Flexiforce sensor, the width of Flexiforce sensor is 14 millimeters, length is 203 millimeters, with the first is example, measure length from rearview mirror to the car door top, equidistantly heat-shrink tube is divided into 4 parts, radially corresponding to cut two width be 14.1 millimeters to 14.5 millimeters opening at the tube wall upper edge at waypoint place heat-shrink tube xsect, make and to pass heat-shrink tube by these two openings that the non-pressure-bearing part of Flexiforce sensor is coated by the tube wall of described heat-shrink tube, and 5 sensors are passed heat-shrink tube by groove respectively and make heat-shrink tube be positioned at the front end of sensor at waypoint place sensor, by same method, with a heat-shrink tube 5 sensors are fixed in the rear end of sensor.When practical application, heat-shrink tube is attached to sealing strip next door, make the circular sensing point of Flexiforce sensor be positioned at the central authorities of sealing strip, make the sealing strip that the Flexiforce sensor sensing obtains pressure accurately and reliably.This embodiment of the present invention has adopted stationary installation 4, makes a plurality of pressure sensitive devices 1 to be fixed on easily on the sealing strip to be measured, and convenient disassembly.
Described data processing equipment 3 is used to receive the electric signal of expression sealing strip pressure to be measured, is pressure data with the electrical signal conversion of representing sealing strip pressure to be measured, and preserves this pressure data.Being embodied as of described data processing equipment 3 is conventionally known to one of skill in the art, for example, can be industrial computer.As shown in Figure 4, data processing equipment 3 comprises receiving element 10, is used to receive the electric signal of expression sealing strip pressure to be measured; Converting unit 11, the electrical signal conversion that is used for expression sealing strip pressure to be measured is a pressure data; Storage unit 12 is used to store pressure data.
Described converting unit 11 is pressure data according to resistance-pressure corresponding relation, voltage-corresponding relations such as pressure corresponding relation with the electrical signal conversion of the expression sealing strip pressure to be measured that receiving element 10 receives.
Sometimes the corresponding relation that provides of converting unit 11 is not the physical quantity of the electric signal representative of pressure sensitive device 1 output, at this moment need the electrical signal conversion of pressure sensitive device 1 output is become the physical quantity of the corresponding relation needs in the converting unit 11, for example, according to the 4th embodiment provided by the invention, as shown in Figure 5, car door pressure distribution provided by the invention system also comprises chromacoder 2, chromacoder 2 is connected with data processing equipment 3 with pressure sensitive device 1, is used for the electrical signal conversion of pressure sensitive device 1 output is become the physical quantity of the corresponding relation needs of converting unit 11.
For example, when pressure sensitive device 1 is the Flexiforce pressure transducer, when the corresponding relation that converting unit 11 provides is a voltage-pressure corresponding relation, because the Flexiforce pressure transducer is a piezoresistive effect type sensor, the variation that is about to pressure is converted to changes in resistance output, chromacoder 2 is by 5 volts of power supplys, dual operational amplifier TL082 and peripheral circuit thereof, the MCS51 single-chip microcomputer is formed, the electrical signal conversion that this moment, chromacoder 2 was used for pressure sensitive device 1 is exported is the voltage electric signal, and data processing equipment 3 will be pressure data from the voltage electrical signal conversion of signal conversion equipment 2 according to voltage-pressure table of comparisons.
According to the 5th embodiment of the present invention, as shown in Figure 6, described pressure sensitive device 1 is a plurality of, and data processing equipment 3 is a plurality of, the number of data processing equipment 3 is identical with the number of pressure sensitive device 1, and each pressure sensitive device 1 and a data treating apparatus 3 connect one to one.This moment, system provided by the invention can also comprise display device 8, and display device 8 is connected with each data processing equipment 3, was used to the pressure data that shows that each data processing equipment 3 stores.
According to the 6th embodiment of the present invention, as shown in Figure 7, described pressure sensitive device 1 is a plurality of, described data processing equipment 3 comprises a plurality of data processing subelements 9, each data processing subelement 9 connects one to one with pressure sensitive device 1, be used to gather the electric signal of the expression sealing strip pressure to be measured of pressure sensitive device 1 acquisition that is connected with this data processing subelement 9, with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserves this pressure data in this data processing subelement 9.This moment, system provided by the invention can also comprise display device 8, and display device 8 is connected with each data processing subelement 9, was used to the pressure data that shows that each data processing subelement 9 stores.
Described display device 8 for example can be LCD display or light-emitting diode display.
To have adopted the car door pressure testing system of 16 pressure sensitive devices 1 be example with aforesaid, and described pressure sensitive device 1 is numbered 0 to 15.Fig. 8 is one group of test result that display device 8 shows.As shown in Figure 8, the demonstration of pressure data can be adopted the mode of this histogram, certain those skilled in the art also can recognize can adopt various data presentation modes, for example tabulation, broken line graph or the like, this display device 8 that preferred embodiment adopted, show the pressure data corresponding to the pressure sensitive device 1 of each position of sealing strip in real time, pressure distribution has understanding intuitively when being convenient to the operator to the sealing strip pressurized, has made things convenient for operation.
When practical operation, pressure data can also be compared with the pressure data reference value, when both not simultaneously, sealing strip is adjusted so that both unanimities, described pressure data reference value is conventionally known to one of skill in the art.
As shown in Figure 9, the invention provides a kind of car door pressure distribution method of testing, wherein, described method comprises the step and the data processing step of the electric signal that obtains sealing strip pressure to be measured; Wherein,
The step that obtains the electric signal of sealing strip pressure to be measured comprises sheet type pressure sensitive device 1 is fixed on the door weather strip to be measured, and closed door obtains the electric signal of sealing strip pressure to be measured with sheet type pressure sensitive device 1;
Data processing step is used to gather the electric signal of representing sealing strip pressure to be measured, is pressure data with the electrical signal conversion of representing sealing strip pressure to be measured, and preserves this pressure data.
When described pressure sensitive device 1 when being a plurality of, the step of the electric signal of described acquisition sealing strip pressure to be measured comprises: a plurality of sheet type pressure sensitive devices 1 are fixed on the door weather strip to be measured equally spacedly, closed door is with the electric signal of a plurality of sheet type pressure sensitive devices 1 acquisition sealing strip pressures.The benefit of doing like this is to avoid the generation of following situation: the position distribution density of pressure sensitive device 1 differs, thereby the pressure that makes induction obtain does not have representativeness.And the distance between the pressure sensitive device 1 is preferably fixed value, so that have comparability between the data that obtain during the pressure distribution of sealing strip of testing different car doors.
When car door pressure distribution test macro provided by the invention comprised stationary installation 4, the step that sheet type pressure sensitive device 1 is fixed on the door weather strip to be measured was fixed on sheet type pressure sensitive device 1 on the door weather strip to be measured by stationary installation 4.
Car door pressure distribution method of testing provided by the invention can also comprise data displaying: the pressure data that display device 8 display data processing apparatus 3 are converted to.This step is after data processing step.
Claims (10)
1, a kind of car door pressure distribution test macro, this system comprises pressure sensitive device (1) and data processing equipment (3), pressure sensitive device (1) is connected with data processing equipment (3); Described pressure sensitive device (1) is used to respond to sealing strip pressure to be measured, obtain the electric signal of expression sealing strip pressure to be measured, described data processing equipment (3) is gathered the electric signal of expression sealing strip pressure to be measured, with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserve this pressure data, it is characterized in that described pressure sensitive device (1) is a sheet type pressure sensitive device, and number is a plurality of; Described car door pressure distribution test macro also comprises at least two heat-shrink tubes, heat-shrink tube has many to being positioned at the radially opening of opposite position of xsect, the pair of openings that the front end of each described sheet type pressure sensitive device passes a heat-shrink tube, the pair of openings of another heat-shrink tube is passed in the rear end, so that each sheet type pressure sensitive device is fixed by these two heat-shrink tubes and non-pressure-bearing part is coated by the tube wall of described heat-shrink tube.
2, car door pressure distribution test macro according to claim 1 is characterized in that, described pressure sensitive device (1) is that 0.05 millimeter-0.25 millimeter, width are the bar shaped of 5-10 millimeter for thickness.
3, car door pressure distribution test macro according to claim 1 is characterized in that, described pressure sensitive device (1) is a pliability pressure sensitive device.
4, car door pressure distribution test macro according to claim 1, it is characterized in that, described data processing equipment (3) is a plurality of, the number of data processing equipment (3) is identical with the number of pressure sensitive device (1), and each pressure sensitive device (1) connects one to one with a data treating apparatus (3).
5, car door pressure distribution test macro according to claim 4, it is characterized in that, this system also comprises display device (8), and display device (8) is connected with each data processing equipment (3), is used to the pressure data that shows that each data processing equipment (3) stores.
6, car door pressure distribution test macro according to claim 1, it is characterized in that, described data processing equipment (3) comprises a plurality of data processing subelements (9), each data processing subelement (9) connects one to one with pressure sensitive device (1), be used for gathering the electric signal of the expression sealing strip pressure to be measured of pressure sensitive device (1) acquisition that is connected with this data processing subelement (9), with the electrical signal conversion of expression sealing strip pressure to be measured is pressure data, and preserves this pressure data in this data processing subelement (9).
7, car door pressure distribution test macro according to claim 6, it is characterized in that, this system also comprises display device (8), and display device (8) is connected with each data processing subelement (9), is used to the pressure data that shows that each data processing subelement (9) stores.
8, according to claim 5 or 7 described car door pressure distribution test macros, it is characterized in that display device (1) is LCD display or light-emitting diode display.
9, a kind of car door pressure distribution method of testing, described method comprises the step and the data processing step of the electric signal that obtains sealing strip pressure to be measured; It is characterized in that,
The step that obtains the electric signal of sealing strip pressure to be measured comprises by at least two heat-shrink tubes being attached to sealing strip to be measured next door and a plurality of sheet type pressure sensitive devices (1) being fixed on the sealing strip to be measured, closed door is with the electric signal of sheet type pressure sensitive device (1) acquisition sealing strip pressure to be measured; Described heat-shrink tube has many to being positioned at the radially opening of opposite position of xsect, the pair of openings that the front end of each described sheet type pressure sensitive device passes a heat-shrink tube, the pair of openings of another heat-shrink tube is passed in the rear end, so that each sheet type pressure sensitive device is fixed by these two heat-shrink tubes and non-pressure-bearing part is coated by the tube wall of described heat-shrink tube;
Data processing step is used to gather the electric signal of representing sealing strip pressure to be measured, is pressure data with the electrical signal conversion of representing sealing strip pressure to be measured, and preserves this pressure data.
10, car door pressure distribution method of testing according to claim 9, this method also comprises data displaying: after data processing step, be used for the pressure data that display data processing apparatus (3) is converted to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610165884A CN100575898C (en) | 2006-12-14 | 2006-12-14 | Car door pressure distribution test macro and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610165884A CN100575898C (en) | 2006-12-14 | 2006-12-14 | Car door pressure distribution test macro and method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101201274A CN101201274A (en) | 2008-06-18 |
| CN100575898C true CN100575898C (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610165884A Expired - Fee Related CN100575898C (en) | 2006-12-14 | 2006-12-14 | Car door pressure distribution test macro and method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927883B (en) * | 2014-04-04 | 2016-03-23 | 中国科学院电工研究所 | Based on electrical impedance imaging vehicle detecting system and the detection method of pressure drag material |
| US10428243B2 (en) * | 2016-12-06 | 2019-10-01 | Ford Motor Company | Method of utilizing thin film pressure sensitive strips to measure pressure applied to a seal |
| CN107340095B (en) * | 2017-06-27 | 2019-08-13 | 环鸿电子（昆山）有限公司 | A kind of pressure acquisition system and method for suction nozzle to be measured |
| US10942071B2 (en) | 2019-03-29 | 2021-03-09 | Ford Global Technologies, Llc | Vehicle closure pressure sensor |
| CN113094815B (en) * | 2021-04-09 | 2022-11-25 | 爱驰汽车有限公司 | Sealing strip material parameter acquisition method and opening and closing part structure durability analysis method |
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2006
- 2006-12-14 CN CN200610165884A patent/CN100575898C/en not_active Expired - Fee Related
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