CN105716824B - Pendulum automobile instrument collision test device - Google Patents
Pendulum automobile instrument collision test device Download PDFInfo
- Publication number
- CN105716824B CN105716824B CN201610232309.2A CN201610232309A CN105716824B CN 105716824 B CN105716824 B CN 105716824B CN 201610232309 A CN201610232309 A CN 201610232309A CN 105716824 B CN105716824 B CN 105716824B
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- automobile instrument
- optoelectronic switch
- instrument
- swing arm
- fixed
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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
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a kind of pendulum automobile instrument collision test device, described device includes instrument fixed module, signal imitation module, collision generation module and camera.Instrument fixed module is used for fixed car instrument；Signal imitation module can simulate the speed generated in different tests operating mode, engine rotational speed signal, and driving gauge pointer rotates；Collision occurs, for simulating the collision energy of different stage, to realize the impact simulation for automobile instrument containing swing arm and mass block in module；Camera is used to record the front and rear pointer instruction situation of automobile instrument collision.The present invention can carry out simulated collision test to the automobile instrument in all kinds of actual motions, realize the research to automobile meter pointer indication problem in vehicle collisions, which can realize a variety of operating condition of test, suitable for various types of automobile instruments.
Description
Technical field
The present invention relates to a kind of pendulum automobile instrument collision test devices, belong to automobile instrument experimental technique field.
Background technology
As the important component of automobile, automobile instrument is the most important approach of people's vehicle information exchange, can be shown
The information such as the various operating parameters of vehicle, failure, automobile instrument can be divided into mechanical, electric, mould according to its structural principle
Intend circuit type and digital, either the mechanical instrument of the early stage still nowadays digital instrument of extensive utilization, showing
In terms of mode, since pointer display mode has good intuitive so as to always in occupation of leading position.
Some researchs and actual accidents show under special circumstances, after vehicle collides, are shown using pointer-type
The automobile meter pointer of mode is present with stuck phenomenon, and pointer is directed toward a certain numerical value.Whether it is vehicle collision for the numerical value
When speed, there is no final conclusion at present.If the numerical value being directed toward when automobile meter pointer is stuck in vehicle collisions can be cleared
Relation between actual vehicle speed, confirms whether it can determine the travel speed of accident vehicle as positive evidence, will be to relating to
And very important meaning is played in the identification of the road traffic accident responsibility to this kind of situation.
Automobile instrument would ordinarily be encountered shock in vehicle collisions, first hits to power off and first power off afterwards and the works such as hits afterwards
Condition studies the above problem although close to real collision situation by real vehicle collision test, consumes huge manpower object
Power, and the cycle is longer, if difference that can be by independent experimental rig simulated automotive instrument encountered in vehicle collision
Operating mode will effectively reach research purpose.Less, the Chinese patent currently for the experimental rig species of automobile instrument
201310067728.1 disclose one kind based on CAN network automobile instrument durable test stand, which can realize to automotive meter
The functional detection of table, is not yet related to for the detection of automobile instrument in collision process, not yet goes out to be now able to simulated automotive at present
The experimental rig of different operating modes of the instrument encountered in vehicle collision, thus pendulum automobile instrument collision test device for
It solves the above problems and has great importance.
The content of the invention
The technical problems to be solved by the invention are：A kind of pendulum automobile instrument collision test device is provided, to all kinds of
Automobile instrument in actual motion carries out impact test, studies the instruction situation of automobile meter pointer in vehicle collisions, with
And pointer it is stuck when the numerical value that indicates and actual vehicle speed between relation.
Technical solution is used by the present invention solves the technical problem：The pendulum automobile instrument collision test device
Module and camera occurs including instrument fixed module, signal imitation module, collision；Automobile instrument is fixed on instrument stent
On block；Module, which occurs, for collision includes swing arm, mass block and postive stop baffle, and swing arm one end is fixing end, and the other end is free end,
Mass block is fixed on swing arm free end, and when postive stop baffle is horizontal, mass block is lifted, and postive stop baffle is switched to vertically
During position, mass block follows swing arm to fall, and hits automobile instrument；The signal imitation module includes signaling control unit, first
Optoelectronic switch and the second optoelectronic switch, the signaling control unit and the first optoelectronic switch, the second optoelectronic switch, postive stop baffle with
And automobile instrument is respectively present signal connection, signal imitation module can simulate the speed generated in different tests operating mode, start
Machine tach signal, driving automobile meter pointer rotates, and postive stop baffle is controlled to switch in horizontal level and vertical position；Described
One optoelectronic switch is located at the underface of swing arm fixing end, i.e., when mass block strikes automobile instrument swing arm can trigger the first photoelectricity
Switch, second optoelectronic switch be located at swing arm whereabouts by way of a fixed point, i.e., when mass block does not strike automobile instrument also
Front swing arm can trigger the second optoelectronic switch；The camera is used to record the front and rear pointer instruction feelings of automobile instrument collision
Condition.
When the mass block and swing arm rotation are fallen successively by the second optoelectronic switch and the first optoelectronic switch, the second photoelectricity
Switch can generate an instant trigger signal, and the first optoelectronic switch can generate the trigger signal of a delay 1 second.
The pendulum automobile instrument collision test device includes tests below operating mode：
A. operating mode is hit, the first optoelectronic switch and the second optoelectronic switch are in closed state, signaling control unit control
Postive stop baffle is switched to vertical position by horizontal level, and mass block and swing arm rotation are fallen, and mass block connects with automobile instrument
It touches and generates shock, camera, which is taken pictures, tests front and rear pointer indicating position；
B. first powering off and hit operating mode afterwards, the first optoelectronic switch is closed, and the second optoelectronic switch is in opening,
Signaling control unit controls postive stop baffle to be switched to vertical position by horizontal level, and mass block and swing arm rotation are dropped through second
During optoelectronic switch, the second optoelectronic switch generates instant trigger signal, after signaling control unit receives the trigger signal, generates mould
Intend unexpected power-off of the power-off signal realization to automobile instrument, at the same time mass block and swing arm continues rotation and fall completion to automobile
The shock of instrument, camera, which is taken pictures, tests front and rear pointer indicating position；
C. first hitting and power off operating mode afterwards, the first optoelectronic switch is in opening, and the second optoelectronic switch is closed,
Signaling control unit control postive stop baffle is switched to vertical position by horizontal level, and mass block and swing arm are rotated centered on bearing
It falls, while mass block is in contact generation shock with automobile instrument, the first optoelectronic switch generates the triggering of a delay 1 second
Signal, after signaling control unit receives the trigger signal, generation simulation power-off signal realizes the unexpected power-off to automobile instrument,
Camera, which is taken pictures, tests front and rear pointer indicating position.
Further, the mass block hits the one side of automobile instrument with the 3rd buffer stopper.
The instrument fixed module includes：Babinet, fixed tablet, the first buffer stopper, the second buffer stopper, fixed sliding block and lock
Tight nut, described fixed tablet one end are fixedly connected with babinet vertical beam, and fixed tablet upper surface is made to be horizontal, fixed tablet
The other end is provided with locking nut in the horizontal direction；Fixed tablet upper surface has a step, automobile instrument be fixed on step and
Between fixed sliding block, the contact surface of automobile instrument and step, fixed sliding block buffers block gap by the first buffer stopper and second respectively；
Fixed sliding block is withstood in the locking nut end, applies pressure to automobile instrument.
The swing arm is mounted on by bearing below box crossbeam, and the postive stop baffle is mounted on babinet vertical beam, described
First optoelectronic switch and the second optoelectronic switch are arranged on cabinet wall.The camera is fixedly installed on babinet vertical beam,
And lens location alignment automobile instrument.
The invention has the advantages that：
（1）The impact test research to automobile instrument can be realized on the premise of full scale vehicle collision is avoided.
（2）Signal imitation module can simulate different types of operating condition of test, realize to all kinds of instrument in not syn-collision work
Experimental study under condition.
（3）By changing the quality of mass block, the automobile instrument impact test that can simulate different stage collision energy is ground
Study carefully.
（4）Experimental rig is simple in structure, compact, at low cost.
Description of the drawings
Fig. 1 is pendulum automobile instrument collision test device structure diagram.
Fig. 2 is pendulum automobile instrument collision test device operating diagram, and A represents horizontal lifting state in figure, and B is represented
Vertical unloading condition, C represent position one, and D represents position two.
Specific embodiment
Specific implementation process of the present invention is described further below in conjunction with the accompanying drawings.
Design specialized instrument fixed module 1 of the present invention is used to fix experiment automobile instrument 5, reload signal analog module 9
For generating the signals such as speed, engine speed that driving automobile meter pointer can be used for rotate, while can realize to automotive meter
The unexpected power-off of table；It adds collision and module 13 occurs for being directed to the collision of the different stage of automobile instrument during simulated crash
Energy；Camera 19 is installed additional to be used to record the front and rear pointer instruction situation of automobile instrument collision.It is total to by above-mentioned disparate modules
With the analysis for realizing impact test and result for automobile instrument.
As shown in Figure 1, the instrument fixed module 1 includes babinet 2, fixed tablet 3, the first buffer stopper 4, the second buffer stopper
6th, fixed sliding block 7 and locking nut 8, described fixed 3 one end of tablet are fixedly connected with 2 vertical beam of babinet, make fixed tablet upper surface
It is horizontal, fixed 3 other end of tablet is provided with locking nut 8 in the horizontal direction；Fixed 3 upper surface of tablet has step,
Automobile instrument 5 is fixed between step and fixed sliding block 7, automobile instrument 5 and step, fixed sliding block 7 contact surface respectively by
First buffer stopper 4 and the second buffer stopper 6 are spaced；Fixed sliding block 7 is withstood in 8 end of locking nut, applies to automobile instrument 5 and presses
Power.The fixed sliding block 7 is placed between the second buffer stopper 6 and locking nut 8, and bottom is contacted with fixed tablet 3, can be along fixation
Tablet 3 moves horizontally, to be adapted to the automobile instrument 5 of various models.
Module 13, which occurs, for the collision includes swing arm 17, mass block 16 and postive stop baffle 14, and 17 one end of swing arm is fixation
End, the other end is free end, and mass block 16 is fixed on 17 free end of swing arm, when postive stop baffle 14 is horizontal, by quality
Block 16 is lifted, and when postive stop baffle 14 is switched to vertical position, mass block 16 follows swing arm 17 to fall, and hits automobile instrument 5.Swing arm
17 are mounted on 2 below the crossbeam of babinet by bearing 18, and the postive stop baffle 14 is mounted on 2 vertical beam of babinet.
The signal imitation module 9 includes signaling control unit 10, the first optoelectronic switch 11 and the second optoelectronic switch 12, institute
Signaling control unit 10 is stated to deposit respectively with the first optoelectronic switch 11, the second optoelectronic switch 12, postive stop baffle 14 and automobile instrument 5
It is connected in signal, signal imitation module 9 can simulate the speed generated in different tests operating mode, engine rotational speed signal, driving
5 indicators turn of automobile instrument, and postive stop baffle 14 is controlled to switch in horizontal level and vertical position；First optoelectronic switch 11
Positioned at the underface of 17 fixing end of swing arm, i.e., when mass block 16 strikes automobile instrument 5 swing arm 17 can trigger the first photoelectricity and hold
Close 11, second optoelectronic switch 12 be located at swing arm 17 fall by way of a fixed point, i.e., when mass block 16 does not strike vapour also
The front swing arm 17 of vehicle instrument 5 can trigger the second optoelectronic switch 12；The camera 19 for record automobile instrument 5 collide it is front and rear
Pointer instruction situation.First optoelectronic switch 11 and the second optoelectronic switch 12 are arranged on 2 inner wall of babinet.
The camera 19 is fixedly installed on 2 vertical beam of babinet, and lens location alignment automobile instrument 5.
In test, experiment automobile instrument 5 is placed on fixed 3 upper surface of tablet, and is stuck in the first buffer stopper 4 and
Between two buffer stoppers 6, locking nut 8 screws fixed 7 and second buffer stopper 6 of sliding block of promotion and is close to fixed 3 upper surface of tablet movement,
And with 4 collective effect of the first buffer stopper, clamp automobile instrument 5, fix it.
Postive stop baffle 14 can be at A condition level lifting state and the vertical unloading condition of B state, in horizontal lifting state
When, upward lifting force is generated to mass block 16, it can be ensured that mass block 16 is at the highest notch, and swing arm 17 is horizontal；
During in vertical unloading condition, postive stop baffle 14 does not generate mass block 16 lifting force, and mass block 16 and swing arm 17 are with bearing 18
Centered on rotate and fall, when mass block 16 is located at minimum point, that is, swing arm 17 and is in vertical position, the 3rd buffer stopper 15 and automotive meter
Table 5 is in contact.
When mass block 16 and swing arm 17 rotate whereabouts successively by the second optoelectronic switch 12 and first centered on bearing 18
During optoelectronic switch 11, the second optoelectronic switch 12 can generate an instant trigger signal, and the first optoelectronic switch 11 can generate one
The trigger signal of a delay 1 second.
Signaling control unit 10 can control 14 switching level lifting state of postive stop baffle and vertical unloading condition, while its
The signals such as speed, engine speed driving 5 indicators turn of automobile instrument can be simulated, signaling control unit 10 can receive first
The trigger signal of 11 and second optoelectronic switch 12 of optoelectronic switch generation, and accordingly generate simulation power-off signal and realize to automobile instrument
5 unexpected power-off.
During on-test, instrument fixed module 1 makes automobile instrument 5, and in state is fixed to clamp, postive stop baffle 14 is in water
Flat lifting state, mass block 16 are at the highest notch, and swing arm 17 is horizontal, and signaling control unit 10, which generates analog signal, to be made
It obtains 5 indicators turn of automobile instrument and maintains a certain numerical value, camera 19 photographs to record the pointer indicating position before experiment.
It is later determined that operating condition of test, operating condition of test can be divided into shock, first power off to hit and first hit afterwards and power off three kinds of works afterwards
Condition.
When operating condition of test is hits, the first optoelectronic switch 11 and the second optoelectronic switch 12 are closed, signal control
Unit 10 processed controls postive stop baffle 14 to be switched to vertical unloading condition by horizontal lifting state, and mass block 16 and swing arm 17 are with bearing
It rotates and falls centered on 18, when moving to position two i.e. mass block 16 and being located at minimum point swing arm 17 and be in vertical position, the 3rd
Buffer stopper 15 is in contact generation shock, subsequent off-test with automobile instrument 5, and camera 19 photographs to record the finger after experiment
Pin indicating positions.
When operating condition of test is hit afterwards first to power off, the first optoelectronic switch 11 is closed, the second optoelectronic switch 12
In opening, signaling control unit 10 controls postive stop baffle 14 to be switched to vertical unloading condition, matter by horizontal lifting state
Gauge block 16 and swing arm 17 rotate whereabouts centered on bearing 18, and when moving to position for the moment, the second optoelectronic switch 12 generates immediately
Trigger signal, after signaling control unit 10 receives the trigger signal, generation simulation power-off signal is realized to the prominent of automobile instrument 5
So power-off, at the same time mass block 16 and swing arm 17 are continued to drop down onto position two under rotation centered on bearing 18, be finally completed pair
The shock of automobile instrument 5, subsequent off-test, camera 19 photograph to record the pointer indicating position after experiment.
When operating condition of test powers off afterwards first to hit, the first optoelectronic switch 11 is in opening, the second optoelectronic switch 12
It is closed, signaling control unit 10 controls postive stop baffle 14 to be switched to vertical unloading condition, matter by horizontal lifting state
Gauge block 16 and swing arm 17 rotate whereabouts centered on bearing 18, are located at minimum point, swing arm when moving to position two i.e. mass block 16
17 when being in vertical position, and the 3rd buffer stopper 15 is in contact generation shock with automobile instrument 5, at the same time the first optoelectronic switch
11 generate the trigger signal of a delay 1 second, after signaling control unit 10 receives the trigger signal, generation simulation power-off signal
Realize the unexpected power-off to automobile instrument 5, subsequent off-test, camera 19 photographs to record the pointer indicating bit after experiment
It puts.
Researcher can compare the fixed image of taking pictures before and after the test of camera under different operating modes and provide by analyzing
Material analyzes and researches to front and rear automobile meter pointer instruction situation.
The present invention can carry out simulated collision test to the automobile instrument in all kinds of actual motions, realize to vehicle collision
The research of automobile meter pointer indication problem in journey, can to traffic accident identify field be related to automobile meter pointer it is stuck when vehicle
The research of the automobile instrument quality problems of fast identification problem and auto parts and components field, which provides, greatly to help.The device can be compared with
To the collision impact process of automobile instrument, it can be achieved that a variety of operating condition of test during good simulating vehicle collision, suitable for various types
Automobile instrument, structure is reliable, of low cost.
Claims (5)
1. pendulum automobile instrument collision test device, which is characterized in that including instrument fixed module（1）, signal imitation module
（9）, collision occur module（13）And camera（19）；Automobile instrument（5）It is fixed on instrument fixed module（1）On；Collision hair
Raw module（13）Include swing arm（17）, mass block（16）And postive stop baffle（14）, swing arm（17）One end is fixing end, the other end
For free end, mass block（16）It is fixed on swing arm（17）Free end, postive stop baffle（14）When being horizontal, by mass block
（16）It lifts, postive stop baffle（14）When being switched to vertical position, mass block（16）Follow swing arm（17）It falls, hits automobile instrument
（5）；The signal imitation module（9）Including signaling control unit（10）, the first optoelectronic switch（11）With the second optoelectronic switch
（12）, the signaling control unit（10）With the first optoelectronic switch（11）, the second optoelectronic switch（12）, postive stop baffle（14）And
Automobile instrument（5）It is respectively present signal connection, signal imitation module（9）Can simulate generate different tests operating mode in speed,
Engine rotational speed signal drives automobile instrument（5）Indicators turn, and control postive stop baffle（14）In horizontal level and vertical position
Switching；First optoelectronic switch（11）Positioned at swing arm（17）The underface of fixing end, that is, work as mass block（16）Strike automobile
Instrument（5）When swing arm（17）The first optoelectronic switch can be triggered（11）, second optoelectronic switch（12）Positioned at swing arm（17）It falls
By way of a fixed point, that is, work as mass block（16）Do not strike automobile instrument also（5）Front swing arm（17）The second photoelectricity can be triggered
Switch（12）；The camera（19）For recording automobile instrument（5）The front and rear pointer instruction situation of collision；
Wherein, including tests below operating mode：
A. operating mode, the first optoelectronic switch are hit（11）With the second optoelectronic switch（12）It is in closed state, signaling control unit
（10）Control postive stop baffle（14）Vertical position, mass block are switched to by horizontal level（16）And swing arm（17）Rotation is fallen, matter
Gauge block（16）With automobile instrument（5）It is in contact generation shock, camera（19）Photograph to record the front and rear pointer instruction of experiment
Position；
B. first power off and hit operating mode afterwards, the first optoelectronic switch（11）It is closed, the second optoelectronic switch（12）In unlatching
State, signaling control unit（10）Control postive stop baffle（14）Vertical position, mass block are switched to by horizontal level（16）And pendulum
Arm（17）Rotation is dropped through the second optoelectronic switch（12）When, the second optoelectronic switch（12）Generate instant trigger signal, signal control
Unit processed（10）After receiving the trigger signal, generation simulation power-off signal is realized to automobile instrument（5）Unexpected power-off, with this
Mass block simultaneously（16）And swing arm（17）Continue rotation and fall completion to automobile instrument（5）Shock, camera（19）It takes pictures
The front and rear pointer indicating position of record experiment；
C. first hit and power off operating mode afterwards, the first optoelectronic switch（11）In opening, the second optoelectronic switch（12）In closing
State, signaling control unit（10）Control postive stop baffle（14）Vertical position, mass block are switched to by horizontal level（16）And pendulum
Arm（17）With bearing（18）Centered on rotate fall, mass block（16）With automobile instrument（5）While being in contact generation shock,
First optoelectronic switch（11）Generate the trigger signal of a delay 1 second, signaling control unit（10）After receiving the trigger signal,
Generation simulation power-off signal is realized to automobile instrument（5）Unexpected power-off, camera（19）Photograph to record the front and rear finger of experiment
Pin indicating positions.
2. pendulum automobile instrument collision test device according to claim 1, which is characterized in that the mass block（16）
Hit automobile instrument（5）One side carry the 3rd buffer stopper（15）.
3. pendulum automobile instrument collision test device according to claim 1, which is characterized in that the instrument stent
Block（1）Including：Babinet（2）, fixed tablet（3）, the first buffer stopper（4）, the second buffer stopper（6）, fixed sliding block（7）And locking screw
It is female（8）, the fixed tablet（3）One end and babinet（2）Vertical beam is fixedly connected, and fixed tablet upper surface is made to be horizontal, Gu
Allocate plate（3）The other end is provided with locking nut in the horizontal direction（8）；Fixed tablet（3）Upper surface has step, automobile instrument
（5）It is fixed on step and fixed sliding block（7）Between, automobile instrument（5）With step, fixed sliding block（7）Contact surface respectively by
First buffer stopper（4）With the second buffer stopper（6）Interval；The locking nut（8）Withstand fixed sliding block in end（7）, to automotive meter
Table（5）Apply pressure.
4. pendulum automobile instrument collision test device according to claim 3, which is characterized in that the swing arm（17）It is logical
Cross bearing（18）Mounted on babinet（2）Below the crossbeam, the postive stop baffle（14）Mounted on babinet（2）On vertical beam, described first
Optoelectronic switch（11）With the second optoelectronic switch（12）It is arranged in babinet（2）On inner wall.
5. pendulum automobile instrument collision test device according to claim 3, which is characterized in that the camera
（19）It is fixedly installed in babinet（2）On vertical beam, and lens location alignment automobile instrument（5）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610232309.2A CN105716824B (en) | 2016-04-14 | 2016-04-14 | Pendulum automobile instrument collision test device |
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|---|---|---|---|
| CN201610232309.2A CN105716824B (en) | 2016-04-14 | 2016-04-14 | Pendulum automobile instrument collision test device |
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| CN105716824B true CN105716824B (en) | 2018-06-05 |
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| CN106370376A (en) * | 2016-08-29 | 2017-02-01 | 芜湖新泉汽车饰件系统有限公司 | Automobile instrument board impact resistance test device |
| CN106441778B (en) * | 2016-11-25 | 2019-08-02 | 陕西千山航空电子有限责任公司 | A kind of logger collision impact pilot system and test method |
| CN107219051A (en) * | 2017-06-27 | 2017-09-29 | 张家港市通达电梯装璜有限公司 | A kind of door-plate testing jig |
| CN107677442A (en) * | 2017-11-03 | 2018-02-09 | 公安部交通管理科学研究所 | A kind of energy-storage type automobile instrument collision test device |
| CN116858702A (en) * | 2023-09-04 | 2023-10-10 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Pendulum impact test device and test method for passive thermal imaging detection |
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