CN104776213A - Automatic gear shifting device for armored vehicle - Google Patents
Automatic gear shifting device for armored vehicle Download PDFInfo
- Publication number
- CN104776213A CN104776213A CN201510164527.2A CN201510164527A CN104776213A CN 104776213 A CN104776213 A CN 104776213A CN 201510164527 A CN201510164527 A CN 201510164527A CN 104776213 A CN104776213 A CN 104776213A
- Authority
- CN
- China
- Prior art keywords
- pull bar
- gearshift pull
- shift handle
- hole
- gearshift
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention belongs to the technical field of armored vehicle field tests, and particularly relates to an automatic gear shifting device for an armored device. The automatic gear shifting device for the armored device is simple in structure and convenient to mount, and can meet the gear shifting requirement in vehicle driving; in a real vehicle reliability test of the vehicle, appropriate gear shifting can be determined according to collected driving speed signals, automatic gear shifting is realized, and accurate and reliable gear shifting positions can be guaranteed. Specifically, the automatic gear shifting device has the advantages that firstly, the device is simple in structure and convenient to mount, the gear shifting requirement in the vehicle driving can be met, and the accurate and reliable gear shifting positions can be guaranteed in the real vehicle reliability test of the vehicle; secondly, the device is small in size, high in efficiency and convenient in maintenance, the mounting problem of different test models is solved, the test applicability of the vehicle is improved, and the cost is greatly improved.
Description
Technical field
The invention belongs to armored vehicle field testing technical field, be specifically related to a kind of armored vehicle automatic gear shift apparatus.
Background technique
Armored vehicle reliability trial generally all will travel 40000km, most more than 200 days of accumulative test number of days, for the vehicle installing manual gear, in process of the test, driver needs gearshift every day many times, and Vehicle Speed and surface conditions to be noted the moment, to determine gearshift opportunity.This operation easily causes the fatigue of driver, there is potential safety hazard.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: how to solve gearshift fatigable problem often, improve man-machine environment.
(2) technological scheme
For solving the problems of the technologies described above, the invention provides a kind of armored vehicle automatic gear shift apparatus, it comprises: pedestal 1, end cap 2, lock screw 3, regulating arm 4, set lever 5, two stepper motors 6, two gear-shifting rocker arms 7, left gearshift pull bar 8, right gearshift pull bar 9, shift handle 10, locking nut 11, press table 12, bolt 13, top board 14, two final controlling element 15, motor cabinet 16, controller 17, signaling lines 18;
Described pedestal 1 is fixedly mounted on test vehicle floor, pedestal 1 is provided with a column, described regulating arm 4 one end and end cap 2 are fixed on this column by lock screw 3, by unclamping lock screw 3, adjust the position of regulating arm 4 on column, tighten lock screw 3 again, realize regulating arm 4 and slide up and down and rotate, thus the mounting point of adjustment regulating arm 4 opposite base 1;
Regulating arm 4 the other end has for determining that motor cabinet 16 moves axially the strip hole of position, described set lever 5 is installed on described strip hole place, vertical shaft above motor cabinet 16 is fixed on regulating arm 4 through elongated hole by set lever 5, by operating tight handle 5, make motor cabinet 16 can in the elongated hole of regulating arm 4 slide anteroposterior, fixed by set lever 5 after adjusting position, thus the mounting point of adjustment motor cabinet 16 relative adjustment arm 4;
Described press table 12 is sleeved on shift handle 10 lower end, is connected fastening by 2 bolts with shift handle 10, and there is taper sheath press table 12 upper end, and fitting closely in this taper sheath and shift handle 10 lower end, makes it not easily slide;
Described top board 14 is placed on shift handle 10 top, is connected, is combined into shift handle fastening device by 3 M8 bolts 13 with press table 12; Can also together be moved by fastening shift handle 10 securely by lock bolt 13, top board 14, press table 12;
Described left gearshift pull bar 8 and right gearshift pull bar 9 at one end have the through hole of Φ 9mm separately, three pairs of mounting holes of described 3 M8 bolt 13 correspondences are uniformly distributed circumferentially respectively on top board 14 and press table 12, space between a pair mounting hole of wherein said three pairs of mounting holes, for accommodating right gearshift pull bar 9, when making a M8 bolt 13 penetrate this pair mounting hole, successively through the upper mounting holes in this pair mounting hole, Lower mounting hole in the through hole of right gearshift pull bar 9 front end and this pair mounting hole, the i.e. through hole of this M8 bolt 13 first through Φ 9mm before connecting press table 12, right like this gearshift pull bar 9 is just connected with shift handle fastening device, in like manner, in described three pairs of mounting holes, another is to the space between mounting hole, for accommodating left gearshift pull bar 8, when making a M8 bolt 13 penetrate this pair mounting hole, successively through the Lower mounting hole in the through hole of the upper mounting holes in this pair mounting hole, left gearshift pull bar 8 front end and this pair mounting hole, the i.e. through hole of this M8 bolt 13 first through Φ 9mm before connecting press table 12, left like this gearshift pull bar 8 is just connected with shift handle fastening device,
Simultaneously, two the M8 bolts 13 corresponding with left gearshift pull bar 8 and right gearshift pull bar 9 are provided with 2 locking nuts 11 separately, 2 locking nuts 11 are arranged in left gearshift pull bar 8 and right gearshift pull bar about 9 both ends of the surface, just 2 locking nuts 11 are locked after left gearshift pull bar 8 and right gearshift pull bar 9 mix up height and position, left like this gearshift pull bar 8 and right gearshift pull bar 9 mounting point just can be fixed, in order to avoid impact gearshift precision;
Described motor cabinet 16 installs two stepper motors 6 and two final controlling element 15, described two stepper motors 6 and two final controlling element about 15 each, described two final controlling element 15 are connected with controller 17 respectively by signaling line 18, controller 17 sends instruction to two final controlling element 15, two final controlling element 15 drive the stepper motor 6 of its respective side to rotate, each stepper motor 6 output shaft installs a gear-shifting rocker arm 7 separately, described gear-shifting rocker arm 7 the other end is connected by the left gearshift pull bar 8 of ball pivot and respective side or right gearshift pull bar 9, the rotary motion of a certain stepper motor 6 is made to convert the left gearshift pull bar 8 of respective side or the translation of right gearshift pull bar 9 to thus, left gearshift pull bar 8 in translation motion and right gearshift pull bar 9 promote shift handle 10 translation simultaneously, rear stepper motor 6 of having shifted gears receives stop motion after signal,
When left gearshift pull bar 8 and right gearshift pull bar 9 seesaw simultaneously, just can promote the former shift handle of armored vehicle to seesaw, when left gearshift pull bar 8 travels forward, and right gearshift pull bar 9 is when moving backward, just can promote the former shift handle of armored vehicle moves to the right, otherwise, when left gearshift pull bar 8 moves backward, and right gearshift pull bar 9 is when travelling forward, just can promote the former shift handle of armored vehicle moves to the left, just can be realized the switching of each gear by the change of stepper motor sense of rotation.
(3) beneficial effect
Compared with prior art, the present invention possesses following beneficial effect:
For the armored vehicle of existing installation manual gear, the invention provides a kind of armored vehicle automatic gear shift apparatus, structure is simple, easy for installation, the gearshift demand that can meet in vehicle traveling, and in the test of vehicle real vehicle reliability trial, can decide according to the speed of operation signal gathered the gear that is applicable to and self shifter and drive range can be ensured accurately and reliably.Specifically:
1) structure of the present invention is simple, easy for installation, can meet the gearshift demand in vehicle traveling, and in the test of vehicle real vehicle reliability trial, can ensure drive range accurately and reliably.
2) volume of the present invention is little, efficiency is high, easy to maintenance, solve the installation question of different tests vehicle, improve the experimental test applicability of vehicle, significantly reduce cost.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation of a kind of armored vehicle automatic gear shift apparatus of the present invention.
Embodiment
For making object of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
For solving the problem of prior art, the invention provides a kind of armored vehicle automatic gear shift apparatus, as shown in Figures 1 and 2, it comprises: pedestal 1, end cap 2, lock screw 3, regulating arm 4, set lever 5, two stepper motors 6, two gear-shifting rocker arms 7, left gearshift pull bar 8, right gearshift pull bar 9, shift handle 10, locking nut 11, press table 12, bolt 13, top board 14, two final controlling element 15, motor cabinet 16, controller 17, signaling lines 18;
Described pedestal 1 is fixedly mounted on test vehicle floor, pedestal 1 is provided with a column, described regulating arm 4 one end and end cap 2 are fixed on this column by lock screw 3, by unclamping lock screw 3, adjust the position of regulating arm 4 on column, tighten lock screw 3 again, realize regulating arm 4 and slide up and down and rotate, thus the mounting point of adjustment regulating arm 4 opposite base 1;
Regulating arm 4 the other end has for determining that motor cabinet 16 moves axially the strip hole of position, described set lever 5 is installed on described strip hole place, vertical shaft above motor cabinet 16 is fixed on regulating arm 4 through elongated hole by set lever 5, by operating tight handle 5, make motor cabinet 16 can in the elongated hole of regulating arm 4 slide anteroposterior, fixed by set lever 5 after adjusting position, thus the mounting point of adjustment motor cabinet 16 relative adjustment arm 4;
Described press table 12 is sleeved on shift handle 10 lower end, is connected fastening by 2 bolts with shift handle 10, and there is taper sheath press table 12 upper end, and fitting closely in this taper sheath and shift handle 10 lower end, makes it not easily slide;
Described top board 14 is placed on shift handle 10 top, is connected, is combined into shift handle fastening device by 3 M8 bolts 13 with press table 12; Can also together be moved by fastening shift handle 10 securely by lock bolt 13, top board 14, press table 12;
Described left gearshift pull bar 8 and right gearshift pull bar 9 at one end have the through hole of Φ 9mm separately, three pairs of mounting holes of described 3 M8 bolt 13 correspondences are uniformly distributed circumferentially respectively on top board 14 and press table 12, space between a pair mounting hole of wherein said three pairs of mounting holes, for accommodating right gearshift pull bar 9, when making a M8 bolt 13 penetrate this pair mounting hole, successively through the upper mounting holes in this pair mounting hole, Lower mounting hole in the through hole of right gearshift pull bar 9 front end and this pair mounting hole, the i.e. through hole of this M8 bolt 13 first through Φ 9mm before connecting press table 12, right like this gearshift pull bar 9 is just connected with shift handle fastening device, in like manner, in described three pairs of mounting holes, another is to the space between mounting hole, for accommodating left gearshift pull bar 8, when making a M8 bolt 13 penetrate this pair mounting hole, successively through the Lower mounting hole in the through hole of the upper mounting holes in this pair mounting hole, left gearshift pull bar 8 front end and this pair mounting hole, the i.e. through hole of this M8 bolt 13 first through Φ 9mm before connecting press table 12, left like this gearshift pull bar 8 is just connected with shift handle fastening device,
Simultaneously, two the M8 bolts 13 corresponding with left gearshift pull bar 8 and right gearshift pull bar 9 are provided with 2 locking nuts 11 separately, 2 locking nuts 11 are arranged in left gearshift pull bar 8 and right gearshift pull bar about 9 both ends of the surface, just 2 locking nuts 11 are locked after left gearshift pull bar 8 and right gearshift pull bar 9 mix up height and position, left like this gearshift pull bar 8 and right gearshift pull bar 9 mounting point just can be fixed, in order to avoid impact gearshift precision;
Described motor cabinet 16 installs two stepper motors 6 and two final controlling element 15, described two stepper motors 6 and two final controlling element about 15 each, described two final controlling element 15 are connected with controller 17 respectively by signaling line 18, controller 17 sends instruction to two final controlling element 15, two final controlling element 15 drive the stepper motor 6 of its respective side to rotate, each stepper motor 6 output shaft installs a gear-shifting rocker arm 7 separately, described gear-shifting rocker arm 7 the other end is connected by the left gearshift pull bar 8 of ball pivot and respective side or right gearshift pull bar 9, the rotary motion of a certain stepper motor 6 is made to convert the left gearshift pull bar 8 of respective side or the translation of right gearshift pull bar 9 to thus, left gearshift pull bar 8 in translation motion and right gearshift pull bar 9 promote shift handle 10 translation simultaneously, rear stepper motor 6 of having shifted gears receives stop motion after signal,
When left gearshift pull bar 8 and right gearshift pull bar 9 seesaw simultaneously, just can promote the former shift handle of armored vehicle to seesaw, when left gearshift pull bar 8 travels forward, and right gearshift pull bar 9 is when moving backward, just can promote the former shift handle of armored vehicle moves to the right, otherwise, when left gearshift pull bar 8 moves backward, and right gearshift pull bar 9 is when travelling forward, just can promote the former shift handle of armored vehicle moves to the left, just can be realized the switching of each gear by the change of stepper motor sense of rotation.
In working procedure of the present invention, according to the position of test vehicle shift handle 10, installation fixes pedestal 1, by adjusting setting height(from bottom) and the mounting point of motor cabinet 16 on regulating arm 4 of regulating arm 4, the present invention can be made firmly to be connected with test vehicle shift handle 10.Before test vehicle travels, shift handle 10 is in neutral gear position, this position is set to true origin, measure x, y coordinate value of each advance gear relative to true origin, be input to controller 17 li, namely determine the relative position of each advance gear, in controller 17, also will input the corresponding vehicle speed range of each advance gear simultaneously.In test vehicle running process, controller 17 is by CAN Real-time Collection rate signal, the gear that should use is judged according to velocity amplitude, the each gear coordinate value inputted before foundation calculates the angle that each stepper motor should rotate, send signal to final controlling element 15, final controlling element 15 Driving Stepping Motor 6 rotates and realizes self shifter.When powered-down, do not remove this automatic gear shift apparatus, driver also can handle the shift handle of former car, realizes manual shift.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (1)
1. an armored vehicle automatic gear shift apparatus, it is characterized in that, it comprises: pedestal (1), end cap (2), lock screw (3), regulating arm (4), set lever (5), two stepper motors (6), two gear-shifting rocker arms (7), left gearshift pull bar (8), right gearshift pull bar (9), shift handle (10), locking nut (11), press table (12), bolt (13), top board (14), two final controlling element (15), motor cabinet (16), controller (17), signaling line (18),
Described pedestal (1) is fixedly mounted on test vehicle floor, pedestal (1) is provided with a column, described regulating arm (4) one end and end cap (2) are fixed on this column by lock screw (3), by unclamping lock screw (3), adjust regulating arm (4) position on column, tighten lock screw (3) again, realize regulating arm (4) to slide up and down and rotate, thus the mounting point of adjustment regulating arm (4) opposite base (1);
Regulating arm (4) the other end has for determining that motor cabinet (16) moves axially the strip hole of position, described set lever (5) is installed on described strip hole place, vertical shaft above motor cabinet (16) is fixed on regulating arm (4) through elongated hole by set lever (5), by operating tight handle (5), make motor cabinet (16) can in the elongated hole of regulating arm (4) slide anteroposterior, fixed by set lever (5) after adjusting position, thus the mounting point of adjustment motor cabinet (16) relative adjustment arm (4);
Described press table (12) is sleeved on shift handle (10) lower end, be connected fastening by 2 bolts with shift handle (10), there is taper sheath press table (12) upper end, fitting closely in this taper sheath and shift handle (10) lower end, makes it not easily slide;
Described top board (14) is placed on shift handle (10) top, is connected, is combined into shift handle fastening device by 3 M8 bolts (13) with press table (12); By lock bolt (13), top board (14), press table (12) can fastening shift handle (10) together moving securely;
Described left gearshift pull bar (8) and right gearshift pull bar (9) at one end have the through hole of Φ 9mm separately, three pairs of mounting holes of described 3 M8 bolts (13) correspondence are uniformly distributed circumferentially respectively on top board (14) and press table (12), space between a pair mounting hole of wherein said three pairs of mounting holes, for accommodating right gearshift pull bar (9), when making a M8 bolt (13) penetrate this pair mounting hole, successively through the upper mounting holes in this pair mounting hole, Lower mounting hole in the through hole of right gearshift pull bar (9) front end and this pair mounting hole, the i.e. through hole of this M8 bolt (13) first through Φ 9mm before connecting press table (12), right like this gearshift pull bar (9) is just connected with shift handle fastening device, in like manner, in described three pairs of mounting holes, another is to the space between mounting hole, for accommodating left gearshift pull bar (8), when making a M8 bolt (13) penetrate this pair mounting hole, successively through the Lower mounting hole in the through hole of the upper mounting holes in this pair mounting hole, left gearshift pull bar (8) front end and this pair mounting hole, the i.e. through hole of this M8 bolt (13) first through Φ 9mm before connecting press table 12, left like this gearshift pull bar (8) is just connected with shift handle fastening device,
Simultaneously, two the M8 bolts (13) corresponding with left gearshift pull bar (8) and right gearshift pull bar (9) are provided with 2 locking nuts (11) separately, 2 locking nuts (11) are arranged in left gearshift pull bar (8) and the upper and lower both ends of the surface of right gearshift pull bar (9), just 2 locking nuts (11) are locked after left gearshift pull bar (8) and right gearshift pull bar (9) mix up height and position, left like this gearshift pull bar (8) and right gearshift pull bar (9) mounting point just can be fixed, in order to avoid impact gearshift precision;
Upper installation two stepper motors (6) of described motor cabinet (16) and two final controlling element (15), described two stepper motors (6) and two final controlling element (15) left and right each, described two final controlling element (15) are connected with controller (17) respectively by signaling line (18), controller (17) sends instruction to two final controlling element (15), two final controlling element (15) drive the stepper motor (6) of its respective side to rotate, each stepper motor (6) output shaft installs a gear-shifting rocker arm (7) separately, described gear-shifting rocker arm (7) the other end is connected by the left gearshift pull bar (8) of ball pivot and respective side or right gearshift pull bar (9), the rotary motion of a certain stepper motor (6) is made to convert the left gearshift pull bar (8) of respective side or the translation of right gearshift pull bar (9) to thus, left gearshift pull bar (8) in translation motion and right gearshift pull bar (9) promote shift handle (10) translation simultaneously, rear stepper motor (6) of having shifted gears receives stop motion after signal,
When left gearshift pull bar (8) and right gearshift pull bar (9) seesaw simultaneously, just can promote the former shift handle of armored vehicle to seesaw, when left gearshift pull bar (8) travels forward, and right gearshift pull bar (9) is when moving backward, just can promote the former shift handle of armored vehicle to move to the right, otherwise, when left gearshift pull bar (8) is moved backward, and right gearshift pull bar (9) is when travelling forward, just can promote the former shift handle of armored vehicle to move to the left, just can be realized the switching of each gear by the change of stepper motor sense of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164527.2A CN104776213B (en) | 2015-04-09 | 2015-04-09 | A kind of armored vehicle auto-shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164527.2A CN104776213B (en) | 2015-04-09 | 2015-04-09 | A kind of armored vehicle auto-shifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776213A true CN104776213A (en) | 2015-07-15 |
| CN104776213B CN104776213B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510164527.2A Active CN104776213B (en) | 2015-04-09 | 2015-04-09 | A kind of armored vehicle auto-shifting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806629A (en) * | 2016-03-24 | 2016-07-27 | 南京理工大学 | Driving robot gear shifting manipulator driven by two-freedom-degree electromagnetic actuator |
| CN109169615A (en) * | 2018-10-22 | 2019-01-11 | 舒惠 | It is capable of the mosquito repellent coil disc of fixed-time extinguishing mosquito-repellent incense |
| CN109315380A (en) * | 2018-10-22 | 2019-02-12 | 舒惠 | Mosquito-repellent incense automatic extinguishing device |
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| US4916965A (en) * | 1987-11-30 | 1990-04-17 | Rcs Remote Control Systems Gmbh | Motor-vehicle shift linkage |
| CN1537744A (en) * | 2003-04-18 | 2004-10-20 | ���Ű�����ʽ���� | Automobile gear level switching device |
| JP2006038119A (en) * | 2004-07-28 | 2006-02-09 | Hino Motors Ltd | Shift range switching equipment of automatic transmission |
| CN2833255Y (en) * | 2005-10-13 | 2006-11-01 | 华南理工大学 | Gearshift operating and controlling device for automatic mechanical transmission |
| CN103016701A (en) * | 2012-12-04 | 2013-04-03 | 中国北方车辆研究所 | Gear selection and shift executing mechanism of automated mechanical transmission system |
| EP2696110A1 (en) * | 2012-08-10 | 2014-02-12 | Yamaha Hatsudoki Kabushiki Kaisha | Automatic transmission device and vehicle including the same |
| CN203670736U (en) * | 2013-11-04 | 2014-06-25 | 山东蓬翔汽车有限公司 | Automatic gear selecting and shifting control mechanism |
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| US4916965A (en) * | 1987-11-30 | 1990-04-17 | Rcs Remote Control Systems Gmbh | Motor-vehicle shift linkage |
| CN1537744A (en) * | 2003-04-18 | 2004-10-20 | ���Ű�����ʽ���� | Automobile gear level switching device |
| JP2006038119A (en) * | 2004-07-28 | 2006-02-09 | Hino Motors Ltd | Shift range switching equipment of automatic transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806629A (en) * | 2016-03-24 | 2016-07-27 | 南京理工大学 | Driving robot gear shifting manipulator driven by two-freedom-degree electromagnetic actuator |
| CN109169615A (en) * | 2018-10-22 | 2019-01-11 | 舒惠 | It is capable of the mosquito repellent coil disc of fixed-time extinguishing mosquito-repellent incense |
| CN109315380A (en) * | 2018-10-22 | 2019-02-12 | 舒惠 | Mosquito-repellent incense automatic extinguishing device |
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| Publication number | Publication date |
|---|---|
| CN104776213B (en) | 2017-03-15 |
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