CN215187199U - Stereo set is with preventing falling protection equipment - Google Patents
Stereo set is with preventing falling protection equipment Download PDFInfo
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- CN215187199U CN215187199U CN202120697536.9U CN202120697536U CN215187199U CN 215187199 U CN215187199 U CN 215187199U CN 202120697536 U CN202120697536 U CN 202120697536U CN 215187199 U CN215187199 U CN 215187199U
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Abstract
The utility model discloses a stereo set is with preventing falling protective apparatus, establish the shape frame of returning on the stereo set including the activity cover, return shape frame screw-thread fastening on the stereo set, return the equal fixedly connected with supporting leg in bottom both sides of shape frame, the bottom fixedly connected with supporting shoe of supporting leg, the outside of returning the shape frame is equipped with multidirectional buffering protection machanism, multidirectional buffering protection machanism is established to block structure including setting up the rectangle protective tube in returning shape frame both sides respectively, the bottom of rectangle protective tube, and the slip cap is equipped with first rectangle pole in the rectangle protective tube. The utility model relates to a rationally, be convenient for diversely alleviate the collision impact force when stereo set drops, reduce because of the great risk of breaking that causes the stereo set of collision impact force, reach the purpose of the diversified buffering protection of stereo set, and can take off shape frame and multidirectional buffering protection machanism and fix and use on other stereo sets, improve its utilization ratio, satisfy the user demand.
Description
Technical Field
The utility model relates to an prevent falling protective apparatus technical field, especially relate to a stereo set is with preventing falling protective apparatus.
Background
The sound equipment is composed of a sound source, control equipment, an audio processor, a power amplifier and a sound box; most of the outside of the existing sound box is lack of the function of fall-prevention protection, and in the using process, the risk that the sound box falls and is broken due to mistaken collision is high, so that the service life of the sound box is shortened, the using requirement cannot be met, and therefore the fall-prevention protection equipment for the sound box is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a falling-preventing protection device for a sound box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a falling-proof protection device for a sound device comprises a clip frame movably sleeved on the sound device, wherein the clip frame is fastened on the sound device through threads, supporting legs are fixedly connected to two sides of the bottom of the clip frame, supporting blocks are fixedly connected to the bottoms of the supporting legs, a multidirectional buffering protection mechanism is arranged on the outer side of the clip frame and comprises rectangular protection tubes respectively arranged on two sides of the clip frame, the bottom ends of the rectangular protection tubes are arranged to be a blocking structure, a first rectangular rod is sleeved in the rectangular protection tubes in a sliding mode, a first buffering spring is fixedly connected between the bottom end of the first rectangular rod and the inner wall of the bottom of the corresponding rectangular protection tube, connecting blocks are arranged above and below the rectangular protection tubes, one side, far away from each other, of the left and right opposite connecting blocks is arranged to be an arc-shaped structure, the top end of the first rectangular rod extends to the upper side of the corresponding rectangular protection tube and is fixedly connected with the bottom of the connecting block positioned above the rectangular protection tube, the top of the connecting block positioned below is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with the bottom end of the corresponding rectangular protective pipe, one side of the two connecting blocks which are opposite to each other on the left and right is fixedly connected with two second rectangular rods, the upper part and the lower part of the rectangular frame are respectively provided with a protective plate, the protective plates are slidably sleeved on the corresponding four second rectangular rods, one ends of the two second rectangular rods which are opposite to each other on the left and right are close to each other are respectively fixedly connected with a second buffer spring, the second buffer springs are arranged in the corresponding protective plates, the supporting leg is positioned between the two second rectangular rods which are opposite to each other on the front and the rear of the lower part, one sides of the two protective plates which are close to each other are respectively fixedly connected with a slide block, the rectangular boxes are respectively arranged on the upper part and the lower part of the rectangular frame, one sides of the two rectangular boxes which are far away from each other are arranged as openings, the two rectangular boxes are positioned between the two protective plates, and two first positioning rods are fixedly connected between the front inner walls and the rear inner walls of the rectangular boxes, the slider sliding sleeve is established on two first locating levers that correspond, two third buffer spring of fixedly connected with between the front side inner wall and the rear side inner wall of the rectangle box that correspond respectively of slider and rear side, the third buffer spring movable sleeve is established on the first locating lever that corresponds, the top of the rectangle box that lies in the below in two rectangle boxes and the bottom fixed connection who returns the shape frame, it inlays and is equipped with four rectangular pipes to return the top of shape frame, sliding sleeve is equipped with the second locating lever in the rectangular pipe, the top of second locating lever extend to the top of the rectangular pipe that corresponds and with the bottom fixed connection of the rectangular box that lies in the top.
Preferably, two rectangular holes have been seted up to one side of guard plate, the outer side sliding connection of the inner wall in rectangular hole and the second rectangle pole that corresponds, fixedly connected with fixed block between the top inner wall in rectangular hole and the bottom inner wall, the one end that two relative second buffer springs are close to each other about respectively with the both sides fixed connection of the fixed block that corresponds.
Preferably, the limiting holes are formed in one side, close to each other, of each of the two rectangular pipes opposite to each other, the limiting blocks are fixedly connected to one sides, close to each other, of the two second positioning rods opposite to each other, and the limiting blocks are connected with the corresponding limiting holes in a sliding mode.
Preferably, two thread grooves are formed in the bottom of the sound box, T-shaped fastening bolts are sleeved in the thread grooves, two bolt through holes are formed in the inner wall of the bottom of the square-shaped frame, and the inner wall of each bolt through hole is in movable contact with the outer side of the corresponding T-shaped fastening bolt.
Preferably, the front side of slider is opened and is equipped with two circular ports, the inner wall of circular port and the outside sliding connection of the first locating lever that corresponds.
Preferably, the top of the square frame is provided with two embedding holes, and the inner walls of the embedding holes are in sliding connection with the outer sides of the corresponding rectangular tubes.
Preferably, the distance between the front side and the rear side of the shielding plate is greater than the distance between the front side and the rear side of the speaker.
Compared with the prior art, the beneficial effects of the utility model are that:
through the stereo, the clip frame, the rectangular protective tube, the connecting rod, the connecting block, the first rectangular rod, the first buffer spring, the protective plate, the second rectangular rod, the second buffer spring, the rectangular box, the first locating rod, the second locating rod, the rectangular tube, the sliding block, the third buffer spring, the supporting leg is matched with the fixed block, when the stereo is dropped due to error collision in the using process, the rectangular protective tube firstly collides with the rectangular protective tube and drives the rectangular protective tube to move towards the direction close to the stereo, the rectangular protective tube sequentially passes through the corresponding first rectangular rod, the connecting rod and the two connecting blocks to drive the second rectangular rod to slide in the rectangular hole and compress the second buffer spring, when the stereo is subjected to front and back collision forces in the dropping process, the rectangular protective tube firstly collides with the protective plate and drives the protective plate to move back and forth, the protective plate drives the corresponding sliding block to slide on the first locating rod and compresses or stretches the third buffer spring, when the stereo set is subjected to the upper collision force, the stereo set firstly collides with the protection plate positioned above to drive the protection plate to move downwards, the protection plate positioned above sequentially passes through the four second rectangular rods and the moving block above to drive the first rectangular rods to slide downwards in the rectangular protection pipes and compress the corresponding first buffer springs, and the stereo set can effectively relieve the collision impact force of the stereo set in the upper direction, the left direction, the right direction and the front direction when the stereo set falls off under the elastic action of the first buffer springs, the second buffer springs and the third buffer springs, so that the aim of multidirectional buffer protection of the stereo set is fulfilled;
the T-shaped fastening bolt is rotated in the forward direction to move out of the corresponding thread groove, and then the clip frame is pushed backwards to drive the multidirectional buffering and protecting mechanism to be separated from the sound box, so that the clip frame and the multidirectional buffering and protecting mechanism can be taken down and fixed on other sound boxes for use.
The utility model relates to a rationally, be convenient for diversely alleviate the collision impact force when stereo set drops, reduce because of the great risk of breaking that causes the stereo set of collision impact force, reach the purpose of the diversified buffering protection of stereo set, and can take off shape frame and multidirectional buffering protection machanism and fix and use on other stereo sets, improve its utilization ratio, satisfy the user demand.
Drawings
Fig. 1 is a schematic structural view of a drop-proof protection device for a sound system according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is the utility model provides a stereo set is with preventing falling rectangle box, first locating rod and the third buffer spring connecting piece right side that is located the top of protective apparatus and looking at sectional structure schematic diagram.
In the figure: 100 stereo set, 1 shape frame, 2 rectangle protective tube, 3 connecting rods, 4 connecting blocks, 5 first rectangle poles, 6 first buffer spring, 7 protection plates, 8 second rectangle poles, 9 second buffer spring, 10 rectangle boxes, 11 first locating levers, 12 second locating levers, 13 rectangle pipes, 14 sliders, 15 third buffer springs, 16 supporting legs, 17 fixed blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a stereo set is with preventing falling protective apparatus, establish shape frame 1 on stereo set 100 including the movable sleeve, it fastens on stereo set 100 to return shape frame 1 screw thread, the equal fixedly connected with supporting leg 16 in bottom both sides of shape frame 1 returns, the bottom fixedly connected with supporting shoe of supporting leg 16, the outside of returning shape frame 1 is equipped with multidirectional buffering protection machanism, multidirectional buffering protection machanism is including setting up rectangle protective tube 2 returning shape frame 1 both sides respectively, the bottom of rectangle protective tube 2 is established to the block structure, sliding sleeve is equipped with first rectangle pole 5 in the rectangle protective tube 2, first buffer spring 6 of fixedly connected with between the bottom of first rectangle pole 5 and the bottom inner wall of the rectangle protective tube 2 that corresponds, the top and the below of rectangle protective tube 2 all are equipped with connecting block 4, it all establishes to the arc structure to control relative one side that two connecting blocks 4 kept away from each other, the top of first rectangle pole 5 extend to the top of the rectangle protective tube 2 that corresponds and with the connecting block that is located the top 4, a connecting rod 3 is fixedly connected with the top of a connecting block 4 positioned below, the top end of the connecting rod 3 is fixedly connected with the bottom end of a corresponding rectangular protective tube 2, two second rectangular rods 8 are fixedly connected with one side of the two connecting blocks 4 which are opposite to each other on the left and right, protective plates 7 are arranged above and below the clip frame 1, the protective plates 7 are slidably sleeved on the corresponding four second rectangular rods 8, a second buffer spring 9 is fixedly connected with one end of the two second rectangular rods 8 which are opposite to each other on the left and right, the second buffer spring 9 is arranged in the corresponding protective plate 7, a supporting leg 16 is positioned between the two second rectangular rods 8 which are opposite to each other on the front and back of the lower part, a sliding block 14 is fixedly connected with one side of the two protective plates 7 which are close to each other, rectangular boxes 10 are arranged above and below the clip frame 1, and one side of the two rectangular boxes 10 which are far away from each other is arranged as an opening, the two rectangular boxes 10 are located between the two protection plates 7, two first positioning rods 11 are fixedly connected between the front side inner wall and the rear side inner wall of each rectangular box 10, the sliders 14 are slidably sleeved on the corresponding two first positioning rods 11, two third buffer springs 15 are fixedly connected between the front side inner wall and the rear side inner wall of each slider 14 and between the front side inner wall and the rear side inner wall of the corresponding rectangular box 10, the third buffer springs 15 are movably sleeved on the corresponding first positioning rods 11, the top of the rectangular box 10 located below in the two rectangular boxes 10 is fixedly connected with the bottom of the clip-shaped frame 1, the top of the clip-shaped frame 1 is rectangular and embedded with four rectangular tubes 13, the rectangular tubes 13 are slidably sleeved with second positioning rods 12, the top ends of the second positioning rods 12 extend to the upper sides of the corresponding rectangular tubes 13 and are fixedly connected with the bottoms of the rectangular boxes 10 located above, the utility model is reasonable in design, the impact force when stereo set 100 drops is alleviated in the diversely of being convenient for, reduces because of the great risk of breaking that causes stereo set 100 of crashing the impact force, reaches the purpose to the diversified buffering protection of stereo set 100, and can take off shape frame 1 and multidirectional buffering protection mechanism and fix and use on other stereo sets 100, improves its utilization ratio, satisfies the user demand.
In the utility model, one side of the protection plate 7 is provided with two rectangular holes, the inner wall of the rectangular hole is connected with the outer side of the corresponding second rectangular rod 8 in a sliding way, a fixed block 17 is fixedly connected between the top inner wall and the bottom inner wall of the rectangular hole, the end of the two second buffer springs 9 which are opposite to each other at the left and right sides are respectively connected with the two sides of the corresponding fixed block 17 in a fixed way, the side of the two rectangular tubes 13 which are opposite to each other at the left and right sides are both provided with a limit hole, the side of the two second positioning rods 12 which are opposite to each other at the left and right sides are both fixedly connected with a limit block, the limit block is connected with the corresponding limit hole in a sliding way, the bottom of the sound box 100 is provided with two thread grooves, the thread grooves are internally sheathed with T-shaped fastening bolts, the inner wall at the bottom of the clip 1 is provided with two bolt perforations, the inner wall of the bolt perforations is in movable contact with the outer sides of the corresponding T-shaped fastening bolts, two circular ports are opened to slider 14's front side, the inner wall of circular port and the outside sliding connection of the first locating lever 11 that corresponds, two inlay dress holes have been seted up at the top of returning shape frame 1, inlay the inner wall of dress hole and the outside sliding connection of the rectangular tube 13 that corresponds, distance between the front side of guard plate 7 and the rear side is greater than the distance between the front side of stereo set 100 and the rear side, the utility model relates to a rationally, be convenient for diversely alleviate the collision impact force when stereo set 100 drops, reduce because of the great risk of breaking of falling that causes stereo set 100 of collision impact force, reach the purpose to the diversely buffering protection of stereo set 100, and can take off shape frame 1 and the multidirectional buffering protection machanism of returning and fix and use on other stereo sets 100, improve its utilization ratio, satisfy the user demand.
The working principle is as follows: when the sound box 100 is used and drops due to mistaken collision in the using process, when the sound box 100 is subjected to collision forces on the left side and the right side, the collision forces on the left side and the right side firstly collide with the rectangular protective pipe 2 to drive the rectangular protective pipe 2 to move towards the direction close to the sound box 100, the rectangular protective pipe 2 drives the two connecting blocks 4 to move through the corresponding first rectangular rods 5 and the corresponding connecting rods 3, the connecting blocks 4 drive the corresponding second rectangular rods 8 to slide in the rectangular holes, the second rectangular rods 8 compress the corresponding second buffer springs 9 while moving, the collision impact force on the left side and the right side is relieved under the elastic force action of the second buffer springs 9, when the sound box 100 is subjected to front and back collision forces in the dropping process, the front and back collision forces firstly collide with the protective plate 7 to drive the protective plate 7 to move back and forth, the protective plate 7 drives the moving block 4 to move back and forth through the corresponding second rectangular rods 8, the moving block 4 drives the rectangular protection pipes 2 to move back and forth through the corresponding first rectangular rods 5 and the corresponding connecting rods 3, meanwhile, the protection plates 7 drive the corresponding sliding blocks 14 to slide back and forth on the first positioning rods 11, the sliding blocks 14 compress or stretch the corresponding third buffer springs 15 while moving, front and back collision impact force is relieved under the action of elastic force of the third buffer springs 15, when the collision force is applied to the upper part, the upper collision force firstly collides on the protection plate 7 positioned above, so that the sliding blocks 14 drive the protection plate 7 positioned above to move downwards, the protection plate 7 above sequentially passes through the upper sliding blocks 14 and the second positioning rods 11 above to drive the rectangular boxes 10 above to move downwards, the rectangular boxes 10 above drive the four second positioning rods 12 to respectively slide downwards in the corresponding rectangular pipes 13, and meanwhile, the protection plate 7 above drives the four second rectangular rods 8 above to move downwards, the second rectangular rod 8 above drives the first rectangular rod 5 to slide downwards in the rectangular protective tube 2 through the corresponding moving block 4, the first rectangular rod 5 downwards compresses the corresponding first buffer spring 6, the collision impact force above is relieved under the elastic action of the first buffer spring 6, and the collision impact force above, left and right and front and back, which is received by the sound equipment 100 when the sound equipment 100 drops, can be effectively relieved under the elastic action of the first buffer spring 6, the second buffer spring 9 and the third buffer spring 15, so that the risk of falling damage to the sound equipment 100 due to the large collision impact force is reduced, and the aim of multidirectional buffer protection of the sound equipment 100 is fulfilled;
when the shape frame 1 and the multidirectional buffering protection mechanism are required to be taken down from the sound box 100, the T-shaped fastening bolt is rotated in the forward direction, the T-shaped fastening bolt is moved out of the corresponding thread groove while rotating, so that the fixation of the shape frame 1 is eliminated, the shape frame 1 is pushed backwards, the shape frame 1 drives the multidirectional buffering protection mechanism to be separated from the sound box 100, the shape frame 1 and the multidirectional buffering protection mechanism can be taken down and fixed on other sound boxes 100 for use, and the utilization rate of the shape frame 1 and the multidirectional buffering protection mechanism is improved.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The anti-falling protection device for the sound equipment comprises a clip-shaped frame (1) movably sleeved on the sound equipment (100), wherein the clip-shaped frame (1) is fastened on the sound equipment (100) in a threaded manner, and is characterized in that supporting legs (16) are fixedly connected to two sides of the bottom of the clip-shaped frame (1), supporting blocks are fixedly connected to the bottom ends of the supporting legs (16), and a multidirectional buffering protection mechanism is arranged on the outer side of the clip-shaped frame (1);
the multidirectional buffering protection mechanism comprises rectangular protection pipes (2) which are respectively arranged at two sides of a rectangular frame (1), the bottom ends of the rectangular protection pipes (2) are arranged to be a blocking structure, a first rectangular rod (5) is sleeved in the rectangular protection pipes (2) in a sliding manner, a first buffering spring (6) is fixedly connected between the bottom end of the first rectangular rod (5) and the inner wall of the bottom of the corresponding rectangular protection pipe (2), connecting blocks (4) are arranged above and below the rectangular protection pipes (2), one side, far away from each other, of each of the two connecting blocks (4) which are opposite to each other left and right is arranged to be an arc-shaped structure, the top end of the first rectangular rod (5) extends to the upper side of the corresponding rectangular protection pipe (2) and is fixedly connected with the bottom of the connecting block (4) positioned above, the top of the connecting block (4) positioned below is fixedly connected with a connecting rod (3), the top end of the connecting rod (3) is fixedly connected with the bottom end of the corresponding rectangular protection pipe (2), two second rectangular rods (8) are fixedly connected to one side, close to each other, of each of two left and right opposite connecting blocks (4), protective plates (7) are arranged above and below the square-shaped frame (1), the protective plates (7) are slidably sleeved on the corresponding four second rectangular rods (8), one ends, close to each other, of the two second rectangular rods (8) opposite to each other are fixedly connected with second buffer springs (9), the second buffer springs (9) are installed in the corresponding protective plates (7), supporting legs (16) are located between the two second rectangular rods (8) opposite to each other in the front and back of the lower portion, sliding blocks (14) are fixedly connected to one sides, close to each other, of the two protective plates (7), rectangular boxes (10) are arranged above and below the square-shaped frame (1), one sides, far away from each other, of the two rectangular boxes (10) are arranged as openings, and the two rectangular boxes (10) are located between the two protective plates (7), two first locating rods (11) of fixedly connected with between the front side inner wall and the rear side inner wall of rectangle box (10), slider (14) slip cap is established on two first locating rods (11) that correspond, the front side and the rear side of slider (14) are respectively with fixedly connected with two third buffer spring (15) between the front side inner wall and the rear side inner wall of rectangle box (10) that correspond, third buffer spring (15) movable sleeve is established on corresponding first locating rod (11), the top of the rectangle box (10) that lies in the below in two rectangle boxes (10) and the bottom fixed connection who returns shape frame (1), the top of returning shape frame (1) is the rectangle and inlays and is equipped with four rectangle pipes (13), the slip cap is equipped with second locating lever (12) in rectangle pipe (13), the top of second locating lever (12) extends to the top of the rectangle pipe (13) that corresponds and with the bottom fixed connection of the rectangle box (10) that lies in the top.
2. The anti-falling protection device for the sound equipment is characterized in that two rectangular holes are formed in one side of the protection plate (7), the inner walls of the rectangular holes are in sliding connection with the outer sides of the corresponding second rectangular rods (8), fixed blocks (17) are fixedly connected between the inner walls of the top and the bottom of the rectangular holes, and the ends, close to each other, of the two second buffer springs (9) opposite to each other on the left side and the right side are fixedly connected with the two sides of the corresponding fixed blocks (17) respectively.
3. The anti-falling protection device for the sound equipment is characterized in that limiting holes are formed in the mutually close sides of the left rectangular tube (13) and the right rectangular tube (13) which are opposite, limiting blocks are fixedly connected to the mutually close sides of the left second positioning rod (12) and the right second positioning rod (12), and the limiting blocks are connected with the corresponding limiting holes in a sliding mode.
4. The anti-falling protection device for the sound box is characterized in that two thread grooves are formed in the bottom of the sound box (100), T-shaped fastening bolts are sleeved in the thread grooves in a threaded manner, two bolt through holes are formed in the inner wall of the bottom of the square frame (1), and the inner walls of the bolt through holes are in movable contact with the outer sides of the corresponding T-shaped fastening bolts.
5. The acoustic fall-prevention protection device according to claim 1, wherein the front side of the slider (14) is provided with two circular holes, and the inner walls of the circular holes are slidably connected with the outer sides of the corresponding first positioning rods (11).
6. The anti-falling protection device for the sound equipment is characterized in that two embedding holes are formed in the top of the clip-shaped frame (1), and the inner walls of the embedding holes are connected with the outer sides of the corresponding rectangular tubes (13) in a sliding mode.
7. An acoustic fall protection apparatus according to claim 1, wherein the distance between the front and rear sides of the protection plate (7) is greater than the distance between the front and rear sides of the acoustic unit (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697536.9U CN215187199U (en) | 2021-04-07 | 2021-04-07 | Stereo set is with preventing falling protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697536.9U CN215187199U (en) | 2021-04-07 | 2021-04-07 | Stereo set is with preventing falling protection equipment |
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| Publication Number | Publication Date |
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| CN215187199U true CN215187199U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120697536.9U Active CN215187199U (en) | 2021-04-07 | 2021-04-07 | Stereo set is with preventing falling protection equipment |
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| CN (1) | CN215187199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222212A (en) * | 2021-12-15 | 2022-03-22 | 福建省恒锦天成科技有限公司 | Intelligent human-computer interaction high-pitch early warning system based on high-voltage line |
-
2021
- 2021-04-07 CN CN202120697536.9U patent/CN215187199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222212A (en) * | 2021-12-15 | 2022-03-22 | 福建省恒锦天成科技有限公司 | Intelligent human-computer interaction high-pitch early warning system based on high-voltage line |
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