CN114812987A - Vibration test monitoring system and method for lamp - Google Patents
Vibration test monitoring system and method for lamp Download PDFInfo
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- CN114812987A CN114812987A CN202110088401.7A CN202110088401A CN114812987A CN 114812987 A CN114812987 A CN 114812987A CN 202110088401 A CN202110088401 A CN 202110088401A CN 114812987 A CN114812987 A CN 114812987A
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- 238000012360 testing method Methods 0.000 title claims abstract description 241
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
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- 230000001133 acceleration Effects 0.000 claims abstract description 92
- 230000008859 change Effects 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims description 9
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- 239000002699 waste material Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 4
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- 230000004075 alteration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a system and a method for monitoring a vibration test of a lamp, wherein the system comprises: the vibration test bed is used for carrying out vibration test on the test lamp arranged on the vibration test bed; the acceleration testing device is used for detecting the acceleration change of the test lamp when the test lamp performs the vibration test; the vibration test bed control box is used for controlling the vibration test bed; and the industrial PC is respectively connected with the acceleration testing device and the vibration test bed control box, and is used for acquiring the acceleration change of the test lamp and sending a control signal to the vibration test bed control box according to the acceleration change of the test lamp so as to enable the vibration test bed control box to control the vibration test bed according to the control signal. The system can stop the test when the lamp fails according to the acceleration change of the experimental lamp, so that the initial state of the lamp failure is reserved, a basis is provided for the follow-up analysis of the failure reason, the vibration resource can be saved, and unnecessary waste can be reduced.
Description
Technical Field
The invention relates to the technical field of lamp testing, in particular to a lamp vibration test monitoring system and a lamp vibration test monitoring method.
Background
In the design and development process of the automobile lamp, a vibration test is a key test for verifying the performance of the lamp. The conventional vibration test bed starts to perform a test after a program is set, and is stopped in the midway unless the test bed is manually stopped or is powered off or fails.
However, in the actual test process, the lamp fails when the specified vibration test time is not reached, and in this case, the vibration test bed continues to operate according to the program unless the vibration test bed is stopped manually, which may cause that the reason for the lamp failure cannot be analyzed effectively and quickly after the test is finished, and also cause the resource waste of the vibration test bed.
Disclosure of Invention
The present invention is directed to solve the above technical problems, and a first object of the present invention is to provide a lamp vibration test monitoring system, which can stop a test when a lamp fails according to an acceleration change of an experimental lamp, so as to retain an initial state of the lamp failure, provide a basis for a subsequent analysis of the failure reason, and save vibration resources and reduce unnecessary waste.
The second purpose of the invention is to provide a vibration test monitoring method for the lamp.
The technical scheme adopted by the invention is as follows:
an embodiment of the first aspect of the present invention provides a vibration test monitoring system for a lamp, including: the vibration test bed is used for carrying out vibration test on the test lamp arranged on the vibration test bed; the acceleration testing device is connected with the test lamp and used for detecting the acceleration of the test lamp when the test lamp performs the vibration test; the vibration test bed control box is connected with the vibration test bed and is used for controlling the vibration test bed; and the industrial PC is respectively connected with the acceleration testing device and the vibration test bed control box, and is used for acquiring the acceleration of the test lamp and sending a control signal to the vibration test bed control box according to the acceleration of the test lamp so as to control the vibration test bed by the movable test bed control box according to the control signal.
The vibration test monitoring system of the lamp provided by the invention also has the following additional technical characteristics:
according to one embodiment of the invention, the industrial PC machine is configured to: judging the acceleration change of the test lamp in unit time; and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in preset time, sending a stop signal to the vibration test bed control box so that the vibration test bed control box controls the vibration test bed to stop working according to the stop signal.
According to one embodiment of the invention, the test lamp is mounted on the vibration test bed through a vibration test tool.
According to an embodiment of the present invention, the acceleration test apparatus includes: the acceleration sensor is used for acquiring an acceleration signal of the test lamp; and the signal processing unit is connected with the acceleration sensor through a lead and used for providing a power supply for the acceleration sensor and carrying out filtering and analog/digital conversion processing on the acceleration signal acquired by the acceleration sensor.
According to one embodiment of the invention, the test light fixture comprises an automotive light fixture.
The embodiment of the second aspect of the invention provides a vibration test monitoring method for a lamp, which comprises the following steps: carrying out vibration test on a test lamp arranged on a vibration test bed; detecting acceleration changes of the test lamp; and controlling the vibration test bed according to the acceleration change of the test lamp.
According to an embodiment of the present invention, the controlling the vibration testing table according to the acceleration change of the test lamp comprises: judging the acceleration change of the test lamp in unit time; and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in preset time, controlling the vibration test bed to stop working.
According to one embodiment of the invention, the test light fixture comprises an automotive light fixture.
The invention has the beneficial effects that:
the invention can stop the test when the lamp fails according to the acceleration change of the experimental lamp, thereby preserving the initial state of the lamp failure, providing basis for the subsequent analysis of the failure reason, saving the vibration resource and reducing the unnecessary waste.
Drawings
FIG. 1 is a schematic diagram of a vibration test monitoring system for a luminaire according to one embodiment of the present invention;
fig. 2 is a flow chart of a vibration test monitoring method of a luminaire according to one embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic view of a vibration test monitoring system of a luminaire according to an embodiment of the present invention, as shown in fig. 1, the system comprising: the device comprises a vibration test bed 1, an acceleration test device 2, a vibration test bed control box 3 and an industrial PC (personal computer) 4.
The vibration test bed 1 is used for performing vibration test on a test lamp 5 arranged on the vibration test bed; the acceleration testing device 2 is connected with the test lamp 5, and the acceleration testing device 2 is used for detecting the acceleration change of the test lamp 5 when the test lamp 5 performs a vibration test; the vibration test bed control box 3 is connected with the vibration test bed 1, and the vibration test bed control box 3 is used for controlling the vibration test bed 1; the industrial PC machine 4 is respectively connected with the acceleration testing device 2 and the vibration test bed control box 3, and the industrial PC machine 4 is used for acquiring the acceleration change of the test lamp 5 and sending a control signal to the vibration test bed control box 3 according to the acceleration change of the test lamp so as to enable the vibration test bed control box 3 to control the vibration test bed 1 according to the control signal.
Further, the industrial PC 4 is specifically used for: judging the acceleration change of the test lamp in unit time; and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in the preset time, sending a stop signal to the vibration test bed control box so that the vibration test bed control box controls the vibration test bed to stop working according to the stop signal.
Specifically, the vibration test stand control box 3 can control the operation and stop of the vibration test stand 1, and the industrial PC 4 can receive the signal of the acceleration test device 2 and can process and analyze the received signal. After the vibration test is started, the acceleration testing device continuously monitors the acceleration value of the test lamp 5 during vibration and transmits the acceleration value to the industrial PC machine 4, the industrial PC machine 4 can judge whether the test lamp 5 fails according to the acceleration of the test lamp, the industrial PC machine 4 recognizes that the acceleration is obviously increased, for example, if the industrial PC machine 4 judges that the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp does not attenuate within a preset time (for example, 1min), the test lamp 5 is judged to fail in vibration. If the industrial PC machine judges that the test lamp 5 fails in vibration, a stop signal is sent to the vibration test bed control box 3, the vibration test bed control box 3 controls the vibration test bed to stop working after receiving the stop signal, and meanwhile, the industrial PC machine 4 stores acceleration test data of the test lamp 5, for example, the vibration test bed control box 3 can control the vibration test bed 1 to be powered off to control the vibration test bed 1 to stop working.
Therefore, the system can stop the test when the lamp fails according to the acceleration change of the experimental lamp, the initial state of the lamp failure is reserved, a basis is provided for subsequent analysis of failure reasons, vibration resources can be saved, and unnecessary waste is reduced.
In one embodiment of the present invention, as shown in fig. 1, the test lamp 5 may be mounted on the vibration test stand 1 through a vibration test fixture 6. The vibration test tool 5 is a tool capable of fixing the test tool on a vibration test bed.
In one embodiment of the present invention, as shown in fig. 1, the acceleration test device 2 may include: the device comprises an acceleration sensor 21 and a signal processing unit 22, wherein the acceleration sensor 21 is used for acquiring an acceleration signal of the test lamp 5; the signal processing unit 22 is connected to the acceleration sensor 21 through a wire 23, and the signal processing unit 22 is configured to provide power to the acceleration sensor 21, and perform filtering and analog/digital conversion processing on the acceleration signal acquired by the acceleration sensor 21.
In an embodiment of the invention, the test light fixture comprises an automotive light fixture.
In summary, according to the vibration test monitoring system of the lamp provided by the embodiment of the invention, the vibration test is performed on the test lamp mounted on the vibration test bed through the vibration test bed, the acceleration testing device detects the acceleration change of the test lamp when the test lamp performs the vibration test, the vibration test bed control box controls the vibration test bed, and the industrial PC acquires the acceleration change of the test lamp and sends the control signal to the vibration test bed control box according to the acceleration change of the test lamp, so that the vibration test bed control box controls the vibration test bed according to the control signal. Therefore, the system can stop the test when the lamp fails according to the acceleration change of the experimental lamp, the initial state of the lamp failure is reserved, a basis is provided for subsequent analysis of failure reasons, vibration resources can be saved, and unnecessary waste is reduced.
Corresponding to the vibration test monitoring system of the lamp, the invention also provides a vibration test monitoring method of the lamp, and as the method embodiment of the invention corresponds to the system embodiment, details which are not disclosed in the method embodiment can refer to the system embodiment, and are not described in detail in the invention.
Fig. 2 is a flow chart of a vibration test monitoring method of a luminaire according to an embodiment of the present invention, as shown in fig. 2, the method comprising the steps of:
s1, performing a vibration test on a test lamp arranged on a vibration test bed.
And S2, detecting the acceleration of the test lamp.
And S3, controlling the vibration test bed according to the acceleration of the test lamp.
Further, according to an embodiment of the present invention, the controlling the vibration testing table according to the acceleration of the test lamp includes: judging the acceleration change of the test lamp in unit time; and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in the preset time, controlling the vibration test bed to stop working.
In an embodiment of the invention, the test light fixture comprises an automotive light fixture.
In summary, according to the vibration test monitoring method for the lamp provided by the embodiment of the invention, the vibration test is performed on the test lamp installed on the vibration test bed, the acceleration of the test lamp is detected, and then the vibration test bed is controlled according to the acceleration of the test lamp. Therefore, the method can stop the test when the lamp fails according to the acceleration change of the experimental lamp, the initial state of the lamp failure is reserved, a basis is provided for subsequent analysis of failure reasons, vibration resources can be saved, and unnecessary waste can be reduced.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the two components can be directly connected with each other or indirectly connected with each other through an intermediate medium, and can be communicated with each other in the compartment or the interaction relation of the two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
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 (8)
1. A vibration test monitoring system of a lamp, comprising:
the vibration test bed is used for carrying out vibration test on the test lamp arranged on the vibration test bed;
the acceleration testing device is connected with the test lamp and used for detecting the acceleration of the test lamp when the test lamp performs the vibration test;
the vibration test bed control box is connected with the vibration test bed and is used for controlling the vibration test bed;
and the industrial PC is respectively connected with the acceleration testing device and the vibration test bed control box, and is used for acquiring the acceleration of the test lamp and sending a control signal to the vibration test bed control box according to the acceleration of the test lamp so that the vibration test bed is controlled by the movable test bed control box according to the control signal.
2. The lamp vibration test monitoring system of claim 1, wherein the industrial PC machine is configured to:
judging the acceleration change of the test lamp in unit time;
and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in preset time, sending a stop signal to the vibration test bed control box so that the vibration test bed control box controls the vibration test bed to stop working according to the stop signal.
3. The lamp vibration test monitoring system of claim 1, wherein the test lamp is mounted on the vibration test bed by a vibration test fixture.
4. The system for monitoring vibration test of lamp set according to claim 1, wherein said acceleration test device comprises:
the acceleration sensor is used for acquiring an acceleration signal of the test lamp;
and the signal processing unit is connected with the acceleration sensor through a lead and used for providing a power supply for the acceleration sensor and carrying out filtering and analog/digital conversion processing on the acceleration signal acquired by the acceleration sensor.
5. The lamp vibration test monitoring system of claim 1, wherein the test lamp comprises an automotive lamp.
6. A vibration test monitoring method for a lamp is characterized by comprising the following steps:
carrying out vibration test on a test lamp arranged on a vibration test bed;
detecting the acceleration of the test lamp;
and controlling the vibration test bed according to the acceleration of the test lamp.
7. The method for monitoring the vibration test of the lamp as claimed in claim 6, wherein the controlling the vibration test bed according to the acceleration of the test lamp comprises:
judging the acceleration change of the test lamp in unit time;
and if the acceleration change of the test lamp in unit time exceeds a preset value and the acceleration of the test lamp is not attenuated in preset time, controlling the vibration test bed to stop working.
8. The method of claim 6 or 7, wherein the test lamp comprises an automotive lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110088401.7A CN114812987A (en) | 2021-01-22 | 2021-01-22 | Vibration test monitoring system and method for lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110088401.7A CN114812987A (en) | 2021-01-22 | 2021-01-22 | Vibration test monitoring system and method for lamp |
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| CN110715798A (en) * | 2019-09-25 | 2020-01-21 | 上海发电设备成套设计研究院有限责任公司 | Test device and test method for measuring self-loosening of bolt |
| CN112179595A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Helicopter body fairing vibration fatigue test verification method |
| CN214309376U (en) * | 2021-01-22 | 2021-09-28 | 常州星宇车灯股份有限公司 | Vibration test monitoring system of lamp |
-
2021
- 2021-01-22 CN CN202110088401.7A patent/CN114812987A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650564A (en) * | 2012-04-19 | 2012-08-29 | 中国工程物理研究院总体工程研究所 | Method for quickly judging open loop state in vibration test and protecting device |
| CN104677585A (en) * | 2013-11-29 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Lamp vibration testing method |
| CN107796635A (en) * | 2017-10-24 | 2018-03-13 | 南京卡莱德汽车照明***有限公司 | A kind of method for detecting vibration of headlight for vehicles |
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