CN213026979U - Dustproof high-voltage distribution cabinet shell - Google Patents
Dustproof high-voltage distribution cabinet shell Download PDFInfo
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- CN213026979U CN213026979U CN202021668049.1U CN202021668049U CN213026979U CN 213026979 U CN213026979 U CN 213026979U CN 202021668049 U CN202021668049 U CN 202021668049U CN 213026979 U CN213026979 U CN 213026979U
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims description 15
- 239000000428 dust Substances 0.000 abstract description 29
- 230000009471 action Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a dustproof high voltage distribution cabinet shell, including the switch board body, the standing groove has been seted up to the bottom of switch board body front side, the inner chamber of standing groove is provided with the dust screen, the equal fixedly connected with connecting block in both sides of dust screen rear side, the equal fixedly connected with locating piece in one side that the connecting block is opposite in both sides, the equal fixedly connected with fixed block in both sides of switch board body inner chamber front side bottom. Through the cooperation that sets up switch board body, standing groove, dust screen, connecting block, locating piece, fixed block, constant head tank, movable groove, fixed establishment, fixed slot, spacing groove, adjustment mechanism, second through-hole and third through-hole, it is dustproof not convenient for to have solved current high voltage distribution cabinet, need dispel the heat in the high voltage distribution cabinet using high voltage distribution cabinet, nevertheless can not prevent dust to the dust, leads to the dust to pile up in high voltage distribution cabinet, influences the problem to high voltage distribution cabinet's use.
Description
Technical Field
The utility model belongs to the technical field of high voltage distribution cabinet, especially, relate to a dustproof high voltage distribution cabinet shell.
Background
The high-voltage power distribution cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, and has a voltage grade of 3.6-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.
The high-voltage switch manufacturing industry is an important component of the power transmission and transformation equipment manufacturing industry, and plays a very important role in the whole power industry, and in conclusion, the problems in the prior art are that: high voltage distribution cabinet is not convenient for dustproof, need dispel the heat in the high voltage distribution cabinet using high voltage distribution cabinet, but can not prevent dust to the dust, leads to the dust to pile up in high voltage distribution cabinet, influences the use to high voltage distribution cabinet.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a dustproof high voltage distribution cabinet shell possesses the dirt-proof advantage of being convenient for, has solved current high voltage distribution cabinet and has not been convenient for dustproof, uses high voltage distribution cabinet to dispel the heat in the high voltage distribution cabinet, nevertheless can not prevent dust to the dust, leads to the dust to pile up in high voltage distribution cabinet, influences the problem to high voltage distribution cabinet's use.
The utility model is realized in such a way that the dustproof high-voltage distribution cabinet shell comprises a distribution cabinet body, a placing groove is arranged at the bottom of the front side of the power distribution cabinet body, a dust screen is arranged in the inner cavity of the placing groove, the two sides of the rear side of the dust screen are both fixedly connected with connecting blocks, the opposite sides of the connecting blocks at the two sides are both fixedly connected with positioning blocks, both sides of the bottom of the front side of the inner cavity of the power distribution cabinet body are fixedly connected with fixed blocks, one side of each fixed block, which is close to the corresponding positioning block, is provided with a positioning groove matched with the corresponding positioning block, a movable groove is arranged on one side of the fixed block far away from the connecting block, a fixing mechanism is arranged in the inner cavity of the movable groove, the locating piece is close to one side in activity groove and has seted up the fixed slot that uses with the activity groove cooperation, the activity groove top is kept away from one side in activity groove and has seted up the spacing groove, the inner chamber of spacing groove is provided with the adjustment mechanism who uses with the fixed establishment cooperation.
As the utility model discloses it is preferred, fixed establishment includes the fixed plate, one side fixedly connected with fixed column that the fixed plate is close to the constant head tank, the fixed column is kept away from one side of fixed plate and is run through the fixed block and extend to the inner chamber of fixed slot, the fixed plate is kept away from one side of fixed column and is seted up the spout, the inner chamber of spout is provided with the slide bar, the bottom fixedly connected with spring of fixed column one side is kept away from to the fixed plate, one side fixedly connected with connecting rod of fixed column is kept away from to the slide bar, the spout is kept away from one side.
As the utility model discloses it is preferred, adjustment mechanism is including adjusting the post, the surface of adjusting the post is equipped with limiting plate and extension spring from preceding to back in proper order the cover, the rear side of adjusting the post extends to the outside of fixed block, the front side of adjusting the post extends to the inner chamber of activity groove, the front side of adjusting the post is provided with the regulation pole, adjust one side that the pole is close to the fixed plate and pass through pivot and connecting rod swing joint.
As the utility model discloses preferred, the dust screen is close to one side of standing groove inner wall and the inner wall contact of standing groove, the locating piece is close to one side of constant head tank inner wall and the inner wall contact of constant head tank, the activity groove is close to one side of constant head tank and offers the second through-hole that uses with the fixed column cooperation.
As the utility model discloses it is preferred, the fixed plate is close to one side of activity inslot wall and the inner wall contact of activity groove, the fixed column is close to one side of fixed slot inner wall and the inner wall contact of fixed slot, the slide bar is close to one side of spout inner wall and the inner wall contact of spout, the spring is kept away from one side of fixed plate and the inner wall fixed connection of activity groove, the connecting rod is close to one side of first through-hole inner wall and the inner wall contact of first through-hole.
As the utility model discloses it is preferred, the rear side of spacing groove is opened and is equipped with the third through-hole that uses with the cooperation of regulation post, the limiting plate is close to one side of spacing inslot wall and the inner wall contact of spacing groove, the front side and the rear side of extension spring respectively with the inner wall fixed connection of limiting plate and spacing groove, adjust the pole through pivot and fixed block swing joint, adjust the pole and be close to one side and the regulation post contact of adjusting the post.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a cooperation that sets up switch board body, standing groove, dust screen, connecting block, locating piece, fixed block, constant head tank, movable groove, fixed establishment, fixed slot, spacing groove, adjustment mechanism, second through-hole and third through-hole is used, has solved current high voltage distribution cabinet and has not been convenient for dustproof, uses high voltage distribution cabinet to dispel the heat in the high voltage distribution cabinet, nevertheless can not prevent dust, leads to the dust to pile up in high voltage distribution cabinet, influences the problem to high voltage distribution cabinet's use.
2. The utility model discloses a set up fixed establishment, can play the fixed action to the locating piece, the person of facilitating the use installs the dust screen.
3. The utility model discloses a set up adjustment mechanism, can play the regulating action to fixed establishment, the person of facilitating the use uses fixed establishment.
4. The utility model discloses a set up the standing groove, can play the positioning action to the dust screen, through setting up locating piece and constant head tank, can play limiting displacement to the connecting block, through setting up the second through-hole, can the person of facilitating the use the fixed column.
5. The utility model discloses a set up the fixed plate, can play limiting displacement to the fixed column, through setting up fixed column and fixed slot, you can play the fixed action to the locating piece, through setting up the spout, can play limiting displacement to the slide bar, through setting up the spring, can play the reset action to the fixed plate, through setting up the connecting rod, can drive the slide bar and slide in the inner chamber of spout.
6. The utility model discloses a set up the regulation post, can drive and adjust the pole rotation, through setting up the limiting plate, can play limiting displacement to the regulation post, through setting up the extension spring, can play the reset left and right sides to the limiting plate, adjust the pole through setting up, can drive the fixed plate through connecting rod and slide bar and slide in the inner chamber of activity groove.
Drawings
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of an embodiment of the present invention providing a top view;
fig. 3 is a partial enlarged view of a portion a in fig. 2 according to an embodiment of the present invention.
In the figure: 1. a power distribution cabinet body; 2. a placement groove; 3. a dust screen; 4. connecting blocks; 5. positioning blocks; 6. a fixed block; 7. positioning a groove; 8. a movable groove; 9. a fixing mechanism; 10. fixing grooves; 11. a limiting groove; 12. an adjustment mechanism; 13. a second through hole; 14. a third through hole; 901. a fixing plate; 902. fixing a column; 903. a chute; 904. a slide bar; 905. a spring; 906. a connecting rod; 907. a first through hole; 1201. an adjustment column; 1202. a limiting plate; 1203. a tension spring; 1204. and adjusting the rod.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in figures 1 to 3, the dustproof high-voltage power distribution cabinet shell provided by the embodiment of the utility model comprises a power distribution cabinet body 1, a placing groove 2 is arranged at the bottom of the front side of the power distribution cabinet body 1, a dustproof net 3 is arranged in the inner cavity of the placing groove 2, connecting blocks 4 are fixedly connected with the two sides of the rear side of the dustproof net 3, a positioning block 5 is fixedly connected with the opposite side of the connecting blocks 4, fixed blocks 6 are fixedly connected with the two sides of the bottom of the front side of the inner cavity of the power distribution cabinet body 1, a positioning groove 7 matched with the positioning block 5 is arranged at one side of the fixed block 6 close to the positioning block 5, a movable groove 8 is arranged at one side of the fixed block 6 far from the connecting block 4, a fixing mechanism 9 is arranged in the inner cavity of the movable groove 8, a fixing groove 10 matched with the movable groove 8 is arranged at, the inner cavity of the limiting groove 11 is provided with an adjusting mechanism 12 which is matched with the fixing mechanism 9 for use.
Referring to fig. 2 and 3, the fixing mechanism 9 includes a fixing plate 901, one side fixedly connected with fixed column 902 of the fixing plate 901 close to the positioning groove 7, one side of the fixed column 902 far away from the fixing plate 901 runs through the fixing block 6 and extends to the inner cavity of the fixing groove 10, one side of the fixed column 902 far away from the fixing plate 901 has a chute 903, the inner cavity of the chute 903 is provided with a slide bar 904, the bottom fixedly connected with spring 905 of one side of the fixed column 902 is far away from the fixing plate 901, one side fixedly connected with connecting rod 906 of the fixed column 902 far away from the slide bar 904, one side of the chute 903 far away.
Adopt above-mentioned scheme: through setting up fixed establishment 9, can play the fixed action to locating piece 5, the person of facilitating the use installs dust screen 3.
Referring to fig. 2 and 3, the adjusting mechanism 12 includes an adjusting column 1201, a limiting plate 1202 and a tension spring 1203 are sequentially sleeved on the surface of the adjusting column 1201 from front to back, the back side of the adjusting column 1201 extends to the outside of the fixed block 6, the front side of the adjusting column 1201 extends to the inner cavity of the movable groove 8, an adjusting rod 1204 is arranged on the front side of the adjusting column 1201, and one side of the adjusting rod 1204, which is close to the fixed plate 901, is movably connected with the connecting rod 906 through a rotating shaft.
Adopt above-mentioned scheme: through setting up adjustment mechanism 12, can play the regulation effect to fixed establishment 9, the person of facilitating the use uses fixed establishment 9.
Referring to fig. 2 and 3, one side of the dust screen 3 close to the inner wall of the placement groove 2 contacts with the inner wall of the placement groove, one side of the positioning block 5 close to the inner wall of the positioning groove 7 contacts with the inner wall of the positioning groove 7, and one side of the movable groove 8 close to the positioning groove 7 is provided with a second through hole 13 used in cooperation with the fixed column 902.
Adopt above-mentioned scheme: through setting up standing groove 2, can play the positioning action to dust screen 3, through setting up locating piece 5 and constant head tank 7, can play limiting displacement to connecting block 4, through setting up second through-hole 13, can the person of facilitating the use fixed column 902.
Referring to fig. 2 and 3, one side of the fixed i-plate 901 close to the inner wall of the movable groove 8 is in contact with the inner wall of the movable groove 8, one side of the fixed column 902 close to the inner wall of the fixed groove 10 is in contact with the inner wall of the fixed groove 10, one side of the sliding rod 904 close to the inner wall of the sliding groove 903 is in contact with the inner wall of the sliding groove 903, one side of the spring 905 away from the fixed plate 901 is fixedly connected with the inner wall of the movable groove 8, and one side of the connecting rod 906 close to the inner wall of the first through hole.
Adopt above-mentioned scheme: through setting up fixed plate 901, can play limiting displacement to fixed column 902, through setting up fixed column 902 and fixed slot 10, you can play the fixed action to locating piece 5, through setting up spout 903, can play limiting displacement to slide bar 904, through setting up spring 905, can play the effect of resetting to fixed plate 901, through setting up connecting rod 906, can drive slide bar 904 and slide in the inner chamber of spout 903.
Referring to fig. 2 and 3, a third through hole 14 used in cooperation with the adjusting column 1201 is formed in the rear side of the limiting groove 11, one side of the limiting plate 1202 close to the inner wall of the limiting groove 11 contacts with the inner wall of the limiting groove 11, the front side and the rear side of the tension spring 1203 are fixedly connected with the limiting plate 1202 and the inner wall of the limiting groove 11, the adjusting rod 1204 is movably connected with the fixing block 6 through a rotating shaft, and one side of the adjusting rod 1204 close to the adjusting column 1201 contacts with the adjusting column 1201.
Adopt above-mentioned scheme: through setting up the regulation post 1201, can drive and adjust pole 1204 and rotate, through setting up limiting plate 1202, can play limiting displacement to regulation post 1201, through setting up extension spring 1203, can play to the limiting plate 1202 and reset about, through setting up the regulation pole 1204, can drive the inner chamber of fixed plate 901 at activity groove 8 through connecting rod 906 and slide bar 904 and slide.
The utility model discloses a theory of operation:
when the dustproof device is used, a user presses the adjusting column 1201, the adjusting column 1201 drives the limiting plate 1202 to slide in the inner cavity of the limiting groove 11 and stretch the tension spring 1203, the adjusting column 1201 drives the adjusting rod 1204 to rotate, the adjusting rod 1204 drives the sliding rod 904 to slide in the inner cavity of the sliding groove 903 through the connecting rod 906, the fixing plate 901 slides in the inner cavity of the movable groove 8 and extrudes the spring 905, the fixing column 902 is extracted from the inner cavity of the positioning groove 7, the user inserts the dustproof net 3 into the inner cavity of the placing groove 2, the positioning block 5 enters the inner cavity of the positioning groove 7, the user loosens the adjusting column 1201, the force generated by stretching and contracting of the tension spring 1203 drives the limiting plate 1202 to reversely slide in the inner cavity of the limiting groove 11, the adjusting column 1201 resets, and the force generated by extruding of the spring 905 pushes the limiting block to reversely slide in the inner cavity of the, the user presses the adjusting column 1201, the adjusting column 1201 drives the limiting plate 1202 to slide in the inner cavity of the limiting groove 11 and stretch the tension spring 1203, the adjusting column 1201 drives the adjusting rod 1204 to rotate, the adjusting rod 1204 drives the sliding rod 904 to slide in the inner cavity of the sliding groove 903 through the connecting rod 906, the fixing plate 901 slides in the inner cavity of the movable groove 8 and extrudes the spring 905, after the fixing column 902 is pulled out from the inner cavity of the fixing groove 10, the user pulls out the dust screen 3 from the inner cavity of the placing groove 2, the adjusting column 1201 is loosened, the force released after the tension spring 1203 stretches drives the limiting plate 1202 to reversely slide in the inner cavity of the limiting groove 11, the force released after the spring 905 is squeezed pushes the limiting block to reversely slide in the inner cavity of the limiting groove 11 and enables the fixing column 902 to enter the inner cavity of the positioning groove 7.
In summary, the following steps: this dustproof high voltage distribution cabinet shell, through setting up switch board body 1, standing groove 2, the dust screen 3, connecting block 4, locating piece 5, fixed block 6, constant head tank 7, movable groove 8, fixed establishment 9, fixed slot 10, spacing groove 11, adjustment mechanism 12, the cooperation of second through-hole 13 and third through-hole 14 is used, it is dustproof not convenient for to have solved current high voltage distribution cabinet, use high voltage distribution cabinet and need dispel the heat in the high voltage distribution cabinet, nevertheless can not prevent dust to the dust, lead to the dust to pile up in high voltage distribution cabinet, the problem of influence to high voltage distribution cabinet's use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a dustproof high voltage distribution cabinet shell, includes switch board body (1), its characterized in that: the power distribution cabinet is characterized in that a placing groove (2) is formed in the bottom of the front side of a power distribution cabinet body (1), a dustproof net (3) is arranged in an inner cavity of the placing groove (2), connecting blocks (4) are fixedly connected to two sides of the rear side of the dustproof net (3), positioning blocks (5) are fixedly connected to one sides of the two opposite sides of the connecting blocks (4), fixing blocks (6) are fixedly connected to two sides of the bottom of the front side of the inner cavity of the power distribution cabinet body (1), positioning grooves (7) matched with the positioning blocks (5) are formed in one sides, close to the positioning blocks (5), of the fixing blocks (6), one sides, far away from the connecting blocks (4) and provided with movable grooves (8), fixing mechanisms (9) are arranged in an inner cavity of the movable grooves (8), fixing grooves (10) matched with the movable grooves (8) for use are, a limiting groove (11) is formed in one side, far away from the movable groove (8), of the top of the movable groove (8), and an adjusting mechanism (12) matched with the fixing mechanism (9) in use is arranged in an inner cavity of the limiting groove (11).
2. The dust-protected high-voltage distribution cabinet housing of claim 1, wherein: the fixing mechanism (9) comprises a fixing plate (901), one side, close to the positioning groove (7), of the fixing plate (901) is fixedly connected with a fixing column (902), one side, far away from the fixing plate (901), of the fixing column (902) penetrates through a fixing block (6) and extends to an inner cavity of a fixing groove (10), one side, far away from the fixing column (902), of the fixing plate (901) is provided with a sliding chute (903), the inner cavity of the sliding chute (903) is provided with a sliding rod (904), the bottom, far away from one side of the fixing column (902), of the fixing plate (901) is fixedly connected with a spring (905), one side, far away from the fixing column (902), of the sliding rod (904) is fixedly connected with a connecting rod (906), and one side, far away from the fixing column (.
3. The dust-protected high-voltage distribution cabinet housing of claim 2, wherein: adjusting mechanism (12) are including adjusting post (1201), the surface of adjusting post (1201) is equipped with limiting plate (1202) and extension spring (1203) from preceding cover in proper order after to, the rear side of adjusting post (1201) extends to the outside of fixed block (6), the front side of adjusting post (1201) extends to the inner chamber of activity groove (8), the front side of adjusting post (1201) is provided with adjusts pole (1204), adjust pole (1204) and be close to one side of fixed plate (901) through pivot and connecting rod (906) swing joint.
4. The dust-protected high-voltage distribution cabinet housing of claim 2, wherein: one side of the dustproof net (3) close to the inner wall of the placing groove (2) is in contact with the inner wall of the placing groove (2), one side of the positioning block (5) close to the inner wall of the positioning groove (7) is in contact with the inner wall of the positioning groove (7), and one side of the movable groove (8) close to the positioning groove (7) is provided with a second through hole (13) matched with the fixing column (902) for use.
5. The dust-protected high-voltage distribution cabinet housing of claim 2, wherein: one side, close to the inner wall of the movable groove (8), of the fixing plate (901) is in contact with the inner wall of the movable groove (8), one side, close to the inner wall of the fixed groove (10), of the fixing column (902) is in contact with the inner wall of the fixed groove (10), one side, close to the inner wall of the sliding chute (903), of the sliding rod (904) is in contact with the inner wall of the sliding chute (903), one side, far away from the fixing plate (901), of the spring (905) is fixedly connected with the inner wall of the movable groove (8), and one side, close to the inner wall of the first through hole (907), of the connecting rod (906) is in contact with.
6. The dust-protected high-voltage distribution cabinet housing of claim 3, wherein: the rear side of spacing groove (11) is opened and is equipped with third through-hole (14) that uses with regulation post (1201) cooperation, one side that limiting plate (1202) are close to spacing groove (11) inner wall and the inner wall contact of spacing groove (11), the front side and the rear side of extension spring (1203) respectively with the inner wall fixed connection of limiting plate (1202) and spacing groove (11), adjust pole (1204) through pivot and fixed block (6) swing joint, adjust one side that pole (1204) are close to regulation post (1201) and adjust post (1201) contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668049.1U CN213026979U (en) | 2020-08-11 | 2020-08-11 | Dustproof high-voltage distribution cabinet shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668049.1U CN213026979U (en) | 2020-08-11 | 2020-08-11 | Dustproof high-voltage distribution cabinet shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026979U true CN213026979U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021668049.1U Expired - Fee Related CN213026979U (en) | 2020-08-11 | 2020-08-11 | Dustproof high-voltage distribution cabinet shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213026979U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521894A (en) * | 2021-07-21 | 2021-10-22 | 熊燕 | Dust collecting equipment for environmental protection |
| CN113687110A (en) * | 2021-08-25 | 2021-11-23 | 深圳市赛航科技有限公司 | Device for rapidly detecting self-discharge of lithium battery and using method thereof |
| CN115684191A (en) * | 2022-10-18 | 2023-02-03 | 山东科伦药业有限公司 | High accuracy glucose injection impurity check out test set |
-
2020
- 2020-08-11 CN CN202021668049.1U patent/CN213026979U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521894A (en) * | 2021-07-21 | 2021-10-22 | 熊燕 | Dust collecting equipment for environmental protection |
| CN113687110A (en) * | 2021-08-25 | 2021-11-23 | 深圳市赛航科技有限公司 | Device for rapidly detecting self-discharge of lithium battery and using method thereof |
| CN115684191A (en) * | 2022-10-18 | 2023-02-03 | 山东科伦药业有限公司 | High accuracy glucose injection impurity check out test set |
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Granted publication date: 20210420 |