CN111864607B - Dampproof device suitable for block terminal in plum rain season - Google Patents
Dampproof device suitable for block terminal in plum rain season Download PDFInfo
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- CN111864607B CN111864607B CN202010927697.2A CN202010927697A CN111864607B CN 111864607 B CN111864607 B CN 111864607B CN 202010927697 A CN202010927697 A CN 202010927697A CN 111864607 B CN111864607 B CN 111864607B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
- H02B1/505—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Outer Garments And Coats (AREA)
Abstract
The invention discloses a damp-proof device suitable for a distribution box in plum rain seasons, which comprises a distribution box body, wherein heat dissipation ports are formed in two sides of the distribution box body, a rain collecting box is arranged above the distribution box body, two abutting plates are fixedly connected to the lower end of the rain collecting box, the lower ends of the abutting plates penetrate through the distribution box body, device plates fixedly connected with the lower ends of the abutting plates are arranged on two sides in the distribution box body, openings corresponding to the heat dissipation ports are formed in the side walls of the device plates, two strip-shaped cavities are formed in the bottom of the distribution box body, elastic mechanisms are arranged in the strip-shaped cavities, sealing mechanisms connected with the elastic mechanisms are arranged on the side walls of the device plates, reciprocating mechanisms connected with triggering mechanisms are arranged in the device cavities, and cavities are formed in one side of the device cavities. The invention has reasonable structure, can automatically seal the heat dissipation port in plum rain season, avoid water vapor from entering, and can enable the distribution box to rise to avoid being influenced by the rising of the water level.
Description
Technical Field
The invention relates to the technical field of distribution boxes, in particular to a moisture-proof device suitable for a distribution box in plum rain seasons.
Background
The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, and requires that a switch device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. When the circuit is normally operated, the circuit can be switched on or switched off by means of a manual or automatic switch, and some distribution boxes are large and are placed outdoors.
The plum rain season is a climate phenomenon of continuous overcast and rainy weather which occurs in the middle and downstream areas of the Yangtze river, Japan, south China, and the like, due to the warm and humid air flow of the Pacific ocean brought by the southeast season of 6 and 7 months each year.
All be equipped with the thermovent on the block terminal box at present, but in plum rain season, the rainfall can last for a long time, and long-time rain can lead to ponding, can not sink the base of block terminal after the water level is higher, gets into inside the block terminal, leads to the circuit short circuit to moisture content is great in the plum rain season air, and more humid air is probably got into inside through the thermovent, leads to the short circuit.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a moisture-proof device suitable for a distribution box in plum rain seasons, which can automatically seal a heat dissipation opening in the plum rain seasons, prevent water vapor from entering, and enable the distribution box to rise to avoid being influenced by rising of water level.
In order to achieve the purpose, the invention adopts the following technical scheme:
a damp-proof device suitable for a distribution box in plum rain seasons comprises a distribution box body, wherein heat dissipation ports are formed in two sides of the distribution box body, a rain collecting box is arranged above the distribution box body, two abutting plates are fixedly connected to the lower end of the rain collecting box, the lower ends of the abutting plates penetrate through the distribution box body, mounting plates fixedly connected with the lower ends of the abutting plates are arranged on two sides in the distribution box body, openings corresponding to the heat dissipation ports are formed in the side walls of the mounting plates, two strip-shaped cavities are formed in the bottom of the distribution box body, elastic mechanisms are arranged in the strip-shaped cavities, sealing mechanisms connected with the elastic mechanisms are arranged on the side walls of the mounting plates, triggering mechanisms are mounted on the elastic mechanisms, device cavities are formed in the top of the distribution box body, reciprocating mechanisms connected with the triggering mechanisms are arranged in the device cavities, a cavity is formed in one side of the device cavities, the improved energy-saving distribution box is characterized in that a heat dissipation mechanism matched with the reciprocating mechanism is arranged in the cavity, a device groove is formed in the lower end of the distribution box body, a lifting mechanism connected with the trigger mechanism is arranged in the device groove, a base is arranged below the distribution box body, and the base is connected with the lifting mechanism.
Preferably, the elastic mechanism comprises a first piston arranged in a strip-shaped cavity, an air suction pipe is arranged on the first piston in a penetrating mode, the upper end of the air suction pipe penetrates through the top of the strip-shaped cavity and extends into the distribution box body, the first piston is elastically connected with the inner bottom of the strip-shaped cavity through a first spring, an air inlet pipe is arranged between the bottom of the strip-shaped cavity and the outer side wall of the distribution box body in a communicating mode, and a one-way valve is arranged in each of the air suction pipe and the air inlet pipe.
Preferably, the sealing mechanism comprises a groove arranged on the outer side wall of the mounting plate, the upper end of the air suction pipe penetrates through the opening and extends into the groove, and an inflatable air bag communicated with the air suction pipe is bonded on the inner wall of the groove.
Preferably, the outer side wall of the inflatable air bag is provided with a sealing gasket.
Preferably, the triggering mechanism includes a conductive head fixed at the lower end of the first piston, a conductive seat matched with the conductive head is fixed at the bottom of the strip-shaped cavity, and the conductive head and the conductive seat are respectively connected with the positive electrode and the negative electrode of the power supply.
Preferably, reciprocating mechanism is including fixing the first driving motor at the internal top of block terminal, the terminal extension of output shaft of first driving motor is to installing the intracavity and fixedly connected with cam, electric connection between first driving motor and conductive head and the conductive seat.
Preferably, heat dissipation mechanism is including running through the pole that supports that sets up between device chamber and cavity, the one end that supports the pole and be located the device intracavity rotates and is connected with the gyro wheel, the gyro wheel offsets with the lateral wall of cam, the one end that supports the pole and be located the cavity is fixed with the second piston, it is equipped with the second spring to support to overlap on the pole, the intercommunication has the cooling tube between the lateral wall of block terminal body and cavity, the intercommunication is equipped with the heat absorption pipe between the interior top of block terminal body and the cavity, all install the check valve in cooling tube and the heat absorption pipe.
Preferably, the lower end of the heat absorption pipe is fixedly connected with a branch pipe, and the lower end of the branch pipe is provided with a plurality of heat absorption holes.
Preferably, rising mechanism is including fixing the second driving motor on device inslot wall, second driving motor and electrically conductive first and electrically conductive between the seat electric connection, the terminal fixedly connected with double threaded rod of output shaft of second driving motor, threaded connection has two screw thread pieces on the double threaded rod, the upper end sliding connection of base has two sliders, two cross rotation is connected with the bracing piece between slider and two screw thread pieces.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with collection rain box, sealing mechanism and elastic mechanism, can be in the long-time rainy time of plum rain season, automatic seal the thermovent, avoid steam to get into this internally of block terminal.
2. Be provided with trigger mechanism, reciprocating mechanism and heat dissipation mechanism, can close the back at the thermovent, accomplish the heat dissipation of block terminal body.
3. Be provided with the rising mechanism, can rise the block terminal body when long-time rainy water level risees, automatic, avoid water to get into inside.
Drawings
Fig. 1 is a schematic structural diagram of a moisture-proof device suitable for a distribution box in a plum rain season according to the present invention;
FIG. 2 is a schematic side view of a mounting plate of a moisture barrier for a box in the rainy season;
fig. 3 is an enlarged schematic view of a structure at a position a of the moisture-proof device suitable for the distribution box in plum rain season according to the present invention;
fig. 4 is a schematic side view of a moisture-proof device suitable for a distribution box in plum rain season according to the present invention.
In the figure: the device comprises a device cavity 1, a cam 2, a roller 3, a second spring 4, a pushing rod 5, a second piston 6, a cavity 7, a first driving motor 8, a branch pipe 9, a heat absorbing pipe 10, a thread block 11, a device groove 12, a double-thread threaded rod 13, a second driving motor 14, a heat radiating pipe 15, a device plate 16, a sliding block 17, a supporting rod 18, a base 19, a heat radiating opening 20, a distribution box body 21, a rain collecting box 22, an inflatable air bag 23, an opening 24, an air suction pipe 25, a first piston 26, an electric conduction head 27, a first spring 28, an electric conduction seat 29, an air inlet pipe 30, a strip-shaped cavity 31 and a pushing plate 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a dampproof device suitable for block terminal in plum rain season, including block terminal body 21, the both sides of block terminal body 21 all are equipped with thermovent 20, the top of block terminal body 21 is equipped with collection rain box 22, two resisting plates 32 of the lower extreme fixedly connected with of collection rain box 22, the lower extreme of resisting plate 32 runs through block terminal body 21, both sides in block terminal body 21 all are equipped with device plate 16 with resisting plate 32 lower extreme fixed connection, device plate 16's lateral wall is equipped with opening 24 that corresponds with thermovent 20, block terminal body 21's bottom is equipped with two bar chambeies 31, be equipped with elastic mechanism in the bar chamber 31, device plate 16's lateral wall is equipped with the sealing mechanism who is connected with elastic mechanism.
The elastic mechanism comprises a first piston 26 arranged in a strip-shaped cavity 31, an air suction pipe 25 penetrates through the first piston 26, the upper end of the air suction pipe 25 penetrates through the inner top of the strip-shaped cavity 31 and extends into the distribution box body 21, the first piston 26 is elastically connected with the inner bottom of the strip-shaped cavity 31 through a first spring 28, an air inlet pipe 30 is communicated between the bottom of the strip-shaped cavity 31 and the outer side wall of the distribution box body 21, one-way valves are respectively arranged in the air suction pipe 25 and the air inlet pipe 30, the sealing mechanism comprises a groove arranged on the outer side wall of the device plate 16, the upper end of the air suction pipe 25 penetrates through an opening 24 and extends into the groove, an inflating air bag 23 communicated with the air suction pipe 25 is bonded on the inner wall of the groove, a sealing gasket is arranged on the outer side wall of the inflating air bag 23, when the rain device rains in a rainy season, the weight is increased after the rain water in the rain collecting box 22 is filled, the rain device drives the abutting plate 32 to descend, and the abutting plate 32 drives the plate 16 to descend, the position of the inflatable air bag 23 corresponds to the heat dissipation port 20, the device plate 16 drives the air suction pipe 25 to descend, the air suction pipe 25 drives the first piston 26 to descend to extrude the air in the strip-shaped cavity 31 into the air suction pipe 25, then the air suction pipe enters the inflatable air bag 23 to expand, the heat dissipation port 20 is sealed, and water vapor is prevented from entering the device plate.
The elastic mechanism is provided with a trigger mechanism, the trigger mechanism comprises a conductive head 27 fixed at the lower end of the first piston 26, a conductive seat 29 matched with the conductive head 27 is fixed at the bottom of the strip-shaped cavity 31, the conductive head 27 and the conductive seat 29 are respectively connected with the anode and the cathode of the power supply, and when the first piston 26 continuously descends to drive the conductive head 27 to abut against the conductive seat 29, the circuit is connected.
The top of the distribution box body 21 is internally provided with a device cavity 1, the device cavity 1 is internally provided with a reciprocating mechanism connected with the trigger mechanism, the reciprocating mechanism comprises a first driving motor 8 fixed at the top in the distribution box body 21, the tail end of an output shaft of the first driving motor 8 extends into the device cavity 1 and is fixedly connected with a cam 2, the first driving motor 8 is electrically connected with a conductive head 27 and a conductive seat 29, one side of the device cavity 1 is provided with a cavity 7, the cavity 7 is internally provided with a heat dissipation mechanism matched with the reciprocating mechanism, the heat dissipation mechanism comprises a support rod 5 penetrating between the device cavity 1 and the cavity 7, one end of the support rod 5 positioned in the device cavity 1 is rotatably connected with a roller 3, the roller 3 is abutted against the side wall of the cam 2, one end of the support rod 5 positioned in the cavity 7 is fixedly provided with a second piston 6, the support rod 5 is sleeved with a second spring 4, a heat dissipation pipe 15 is communicated between the outer side wall of the distribution box body 21 and the cavity 7, the intercommunication is equipped with heat-absorbing pipe 10 between block terminal body 21's interior top and the cavity 7, the lower extreme fixedly connected with branch pipe 9 of heat-absorbing pipe 10, the lower extreme of branch pipe 9 is equipped with a plurality of heat-absorbing holes, all install the check valve in cooling tube 15 and the heat-absorbing pipe 10, first driving motor 8 drives cam 2 and rotates, because support pole 5 offsets with cam 2 all the time through second spring 4 and gyro wheel 3, thereby drive and support pole 5 reciprocating motion about driving, support pole 5 drives second piston 6 reciprocating motion about, when second piston 6 moves to the left, the heat in block terminal body 21 is through a plurality of heat-absorbing hole suction branch pipe 9 in, rethread heat-absorbing pipe 10 inhales in the cavity 7, when second piston 6 moves to the right, the steam in the cavity 7 is discharged through cooling tube 15, guarantee normal heat dissipation.
The lower end of a distribution box body 21 is provided with a device groove 12, a lifting mechanism connected with a trigger mechanism is arranged in the device groove 12, a base 19 is arranged below the distribution box body 21, the base 19 is connected with the lifting mechanism, the lifting mechanism comprises a second driving motor 14 fixed on the inner wall of the device groove 12, the second driving motor 14 is electrically connected with a conductive head 27 and a conductive seat 29, the tail end of an output shaft of the second driving motor 14 is fixedly connected with a double-threaded rod 13, two threaded blocks 11 are connected on the double-threaded rod 13 in a threaded manner, two sliding blocks 17 are slidably connected at the upper end of the base 19, a support rod 18 is connected between the two sliding blocks 17 and the two threaded blocks 11 in a cross rotating manner, after the trigger mechanism is switched on, the second driving motor 14 is started to drive the double-threaded rod 13 to rotate, and the two threaded blocks 11 are driven to relatively move due to the opposite thread directions at two sides of the double-threaded rod 13, the two sliding blocks 17 slide on the base 19 relatively, and the two supporting rods 18 rotate in a crossed mode, so that the distribution box body 21 is lifted, and the influence of long-time rain water level lifting is avoided.
In the invention, when raining in plum rain season, the weight of the rain collecting box 22 is increased after being filled with rain water, the abutting plate 32 is driven to descend, the abutting plate 32 drives the device plate 16 to descend, the position of the inflatable air bag 23 corresponds to the heat dissipation port 20, the device plate 16 drives the air suction pipe 25 to descend, the air suction pipe 25 drives the first piston 26 to descend, the air in the strip-shaped cavity 31 is squeezed into the air suction pipe 25 and then enters the inflatable air bag 23 to expand, the heat dissipation port 20 is sealed, the water vapor is prevented from entering, when the first piston 26 descends continuously to drive the conductive head 27 to abut against the conductive seat 29, the circuit is connected, the first driving motor 8 is started, the first driving motor 8 drives the cam 2 to rotate, the abutting rod 5 abuts against the cam 2 through the second spring 4 and the roller 3 all the time, the abutting rod 5 is driven to reciprocate left and right, the abutting rod 5 drives the second piston 6 to reciprocate left, when the second piston 6 moves left, heat in the block terminal body 21 is absorbed into the branch pipe 9 through a plurality of heat absorption holes, and then absorbed into the cavity 7 through the heat absorption pipe 10, and hot gas in the cavity 7 is discharged through the radiating pipe 15 when the second piston 6 moves to the right, so that normal heat dissipation is ensured.
After the trigger mechanism is switched on, the second driving motor 14 is started to drive the double-threaded rod 13 to rotate, the two threaded blocks 11 are driven to move relatively due to opposite thread directions on two sides of the double-threaded rod 13, the two sliding blocks 17 slide relatively on the base 19, and the two supporting rods 18 rotate in a crossed mode, so that the distribution box body 21 is lifted, and the influence of the lifting of the water level of long-time rain is avoided. When the rain does not fall for a long time, the rain water in the rain collecting box 22 is completely evaporated, and the device plate 16 is reset through the elastic action of the first spring 28, the opening 24 corresponds to the heat dissipation opening 20, and the heat is normally dissipated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a dampproof device suitable for block terminal in plum rain season, includes block terminal body (21), its characterized in that, the both sides of block terminal body (21) all are equipped with thermovent (20), the top of block terminal body (21) is equipped with collection rain box (22), the lower extreme fixedly connected with two buttresses board (32) of collection rain box (22), the lower extreme of buttressing board (32) runs through block terminal body (21), both sides in block terminal body (21) all are equipped with device plate (16) with buttressing board (32) lower extreme fixed connection, the lateral wall of device plate (16) is equipped with opening (24) that correspond with thermovent (20), the bottom of block terminal body (21) is equipped with two bar chambeies (31), be equipped with elastic mechanism in bar chambeies (31), the lateral wall of device plate (16) is equipped with the sealing mechanism who is connected with elastic mechanism, the elastic mechanism is provided with a trigger mechanism, the top of the distribution box body (21) is internally provided with a device cavity (1), the device cavity (1) is internally provided with a reciprocating mechanism connected with the trigger mechanism, one side of the device cavity (1) is provided with a cavity (7), the cavity (7) is internally provided with a heat dissipation mechanism matched with the reciprocating mechanism, the lower end of the distribution box body (21) is provided with a device groove (12), the device groove (12) is internally provided with a lifting mechanism connected with the trigger mechanism, the lower part of the distribution box body (21) is provided with a base (19), the base (19) is connected with the lifting mechanism, the elastic mechanism comprises a first piston (26) arranged in a strip-shaped cavity (31), an air suction pipe (25) penetrates through the first piston (26), and the upper end of the air suction pipe (25) penetrates through the inner top of the strip-shaped cavity (31) and extends into the distribution box body (21), the rain collecting box is characterized in that the first piston (26) is elastically connected with the inner bottom of the strip-shaped cavity (31) through a first spring (28), an air inlet pipe (30) is communicated between the bottom of the strip-shaped cavity (31) and the outer side wall of the distribution box body (21), check valves are installed in the air suction pipe (25) and the air inlet pipe (30), the sealing mechanism comprises a groove arranged on the outer side wall of the installation plate (16), the upper end of the air suction pipe (25) penetrates through the opening (24) and extends into the groove, an air inflation air bag (23) communicated with the air suction pipe (25) is bonded to the inner wall of the groove, when raining occurs, the weight of the rain collecting box (22) is increased after the rain is filled with rain, the abutting plate (32) is driven to descend, the abutting plate (32) drives the installation plate (16), the position of the air inflation air bag (23) corresponds to the heat dissipation opening (20), and the installation plate (16) drives the air suction pipe (25) to descend, the air suction pipe (25) drives the first piston (26) to descend so as to extrude the gas in the strip-shaped cavity (31) into the air suction pipe (25), and then the gas enters the inflatable air bag (23) to expand so as to seal the heat dissipation port (20) and avoid the entry of water vapor;
the outer side wall of the inflatable air bag (23) is provided with a sealing gasket;
the trigger mechanism comprises a conductive head (27) fixed at the lower end of the first piston (26), a conductive seat (29) matched with the conductive head (27) is fixed at the bottom of the strip-shaped cavity (31), and the conductive head (27) and the conductive seat (29) are respectively connected with the positive electrode and the negative electrode of the power supply;
the reciprocating mechanism comprises a first driving motor (8) fixed at the inner top of the distribution box body (21), the tail end of an output shaft of the first driving motor (8) extends into the device cavity (1) and is fixedly connected with a cam (2), and the first driving motor (8) is electrically connected with a conductive head (27) and a conductive seat (29);
the elevating mechanism comprises a second driving motor (14) fixed on the inner wall of the device groove (12), the second driving motor (14) is electrically connected with a conductive head (27) and a conductive seat (29), the tail end of an output shaft of the second driving motor (14) is fixedly connected with a double-threaded rod (13), the double-threaded rod (13) is connected with two thread blocks (11) in a threaded manner, the upper end of the base (19) is connected with two sliding blocks (17) in a sliding manner, and the two sliding blocks (17) and the two thread blocks (11) are connected with a supporting rod (18) in a cross rotating manner.
2. The moisture-proof device suitable for the distribution box in plum rain season as claimed in claim 1, wherein the heat dissipation mechanism comprises a support rod (5) penetrating between the device cavity (1) and the cavity (7), one end of the support rod (5) located in the device cavity (1) is rotatably connected with a roller (3), the roller (3) abuts against the side wall of the cam (2), one end of the support rod (5) located in the cavity (7) is fixed with a second piston (6), the support rod (5) is sleeved with a second spring (4), the outer side wall of the distribution box body (21) is communicated with the cavity (7) through a distribution box (15), a heat absorption pipe (10) is communicated between the inner top of the distribution box body (21) and the cavity (7), and one-way valves are installed in the heat dissipation pipe (15) and the heat absorption pipe (10).
3. The moisture-proof device for the electric distribution box in plum rain season as claimed in claim 2, wherein the lower end of the heat absorbing pipe (10) is fixedly connected with a branch pipe (9), and the lower end of the branch pipe (9) is provided with a plurality of heat absorbing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927697.2A CN111864607B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910805470.8A CN110518475B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
| CN202010927697.2A CN111864607B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910805470.8A Division CN110518475B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111864607A CN111864607A (en) | 2020-10-30 |
| CN111864607B true CN111864607B (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910805470.8A Active CN110518475B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
| CN202010927697.2A Active CN111864607B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910805470.8A Active CN110518475B (en) | 2019-08-29 | 2019-08-29 | Dampproof device suitable for block terminal in plum rain season |
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Also Published As
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| CN110518475B (en) | 2020-11-03 |
| CN111864607A (en) | 2020-10-30 |
| CN110518475A (en) | 2019-11-29 |
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