CN213546927U - Direct current power supply screen with electromagnetic shielding function - Google Patents
Direct current power supply screen with electromagnetic shielding function Download PDFInfo
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- CN213546927U CN213546927U CN202120975701.2U CN202120975701U CN213546927U CN 213546927 U CN213546927 U CN 213546927U CN 202120975701 U CN202120975701 U CN 202120975701U CN 213546927 U CN213546927 U CN 213546927U
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- power supply
- box frame
- current power
- closed door
- electromagnetic shielding
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Abstract
The utility model discloses a DC power supply screen with electromagnetic shield function, include: a box frame; the conductive paint is smeared on the outer surface of the box frame, conductive rubber is fixedly connected to the inner surface of the box frame, a direct-current power supply screen body is arranged inside the box frame, a through hole is formed in the box frame, and a buckle is arranged on the box frame; the closed door, the closed door slide in between the top and the bottom of case frame inner wall, be provided with the glass window on the closed door, the week side fixedly connected with electromagnetism sealing pad of closed door, be provided with the draw-in groove on the closed door. This direct current power supply screen with electromagnetic shield function can be fine forms the separation to the electromagnetism through electrically conductive lacquer, electrically conductive rubber and electromagnetism sealing gasket, has avoided outside electromagnetism to get into direct current power supply screen body, causes electromagnetic interference to it, has also blocked the electromagnetism that direct current power supply screen body produced simultaneously, influences the normal operating of outside object, has made things convenient for people's use.
Description
Technical Field
The utility model relates to a DC power supply screen technical field especially relates to a DC power supply screen with electromagnetic shield function.
Background
A dc power panel, also known as a distribution box, is an integral part of a power supply system that distributes power to various accessory circuits, while providing fuses or circuit breakers for each circuit in the system, typically a main switch and the nearest switchboard, and one or more residual current devices or residual current circuit breakers with overcurrent protection.
With the continuous improvement of quality of life and the continuous development and progress of the technology level, various high-tech communication equipment computers and other equipment capable of generating electromagnetic waves are more and more popularized and applied, the electromagnetic waves are easy to interfere with each other when radiating human bodies and generating electromagnetic waves among articles, a large amount of electromagnetic waves can be generated by the direct current power supply screen to influence external things, or the electromagnetic waves generated by the external things can influence the operation inside the direct current power supply screen.
The existing direct-current power supply screen does not have an electromagnetic shielding function, so that external electromagnetic waves are radiated into the gap of the direct-current power supply screen, normal operation of a direct-current power supply screen body inside the direct-current power supply screen is influenced, or the electromagnetic waves radiated out from the gap inside the direct-current power supply screen are radiated out from the gap, and therefore external human bodies and objects are influenced.
Disclosure of Invention
An object of the utility model is to prior art's weak point, provide a DC power supply screen with electromagnetic shield function, solved the problem that DC power supply screen does not possess the electromagnetic shield function.
In order to solve the technical problem, the utility model provides a pair of DC power supply screen with electromagnetic shield function, include: a box frame; the conductive paint is smeared on the outer surface of the box frame, conductive rubber is fixedly connected to the inner surface of the box frame, a direct-current power supply screen body is arranged inside the box frame, a through hole is formed in the box frame, and a buckle is arranged on the box frame; the closed door, the closed door slide in between the top and the bottom of case frame inner wall, be provided with the glass window on the closed door, the week side fixedly connected with electromagnetism sealing pad of closed door, be provided with the draw-in groove on the closed door.
Preferably, the closing door passes through the through opening and extends to the outside of case frame, the buckle with draw-in groove looks adaptation.
Preferably, the glass window and the closing door are fixed by gluing, and epoxy adhesive filled with silver powder is adopted for gluing.
Preferably, still include vent and fixed plate, the vent is seted up in the back of case frame, the fixed plate is fixed in the back of case frame, the quantity of fixed plate is two.
Preferably, a ventilation waveguide window is arranged between the two fixing plates, and an auxiliary plate is fixedly connected to the bottom of each fixing plate.
Preferably, a fixing device is arranged on the auxiliary plate, the fixing device comprises a threaded rod, the threaded rod is connected to the auxiliary plate in a threaded manner, one end of the threaded rod is fixedly connected with a handle, and the other end of the threaded rod is rotatably connected with a clamping block.
Preferably, a fan is arranged in the box frame, and a humidity sensor is fixedly connected to the top of the inner wall of the box frame.
Preferably, the bottom of the box frame is fixedly connected with an electric telescopic rod, and the bottom of the electric telescopic rod is fixedly connected with a bottom plate.
Compared with the prior art, the utility model provides a DC power supply screen with electromagnetic shield function has following beneficial effect:
the utility model provides a DC power supply screen with electromagnetic shield function can be fine forms the separation to the electromagnetism through electrically conductive lacquer, electrically conductive rubber and electromagnetism sealing pad, has avoided outside electromagnetism to get into DC power supply screen body, causes electromagnetic interference to it, has also blocked the electromagnetism that DC power supply screen body produced simultaneously, influences the normal operating of outside object, has made things convenient for people's use.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a first embodiment of a dc power supply panel with an electromagnetic shielding function according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of a second embodiment provided by the present invention;
FIG. 4 is a schematic diagram of the humidity sensor of FIG. 3;
fig. 5 is an enlarged view of a portion a in fig. 3.
Reference numbers in the figures: 1. the box frame, 2, conductive paint, 3, conductive rubber, 4, a direct current power supply screen body, 5, an opening, 6, a buckle, 7, a closing door, 8, a glass window, 9, an electromagnetic sealing gasket, 10, a clamping groove, 11, a ventilation opening, 12, a fixing plate, 13, a ventilation waveguide window, 14, an auxiliary plate, 15, a fixing device, 151, a threaded rod, 152, a handle, 153, a clamping block, 16, a fan, 17, a humidity sensor, 18, an electric telescopic rod, 19 and a bottom plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic three-dimensional structure diagram of a dc power supply panel with an electromagnetic shielding function according to a first embodiment of the present invention; FIG. 2 is a schematic front view of the structure of FIG. 1; fig. 3 is a schematic structural diagram of a second embodiment provided by the present invention; FIG. 4 is a schematic diagram of the humidity sensor of FIG. 3; fig. 5 is an enlarged view of a portion a in fig. 3.
First embodiment
A direct current power supply panel having an electromagnetic shielding function, comprising: a box frame 1; the conductive paint 2 is smeared on the outer surface of the box frame 1, the inner surface of the box frame 1 is fixedly connected with conductive rubber 3, a direct-current power supply screen body 4 is arranged inside the box frame 1, a through hole 5 is formed in the box frame 1, and a buckle 6 is arranged on the box frame 1; the box comprises a closed door 7, wherein the closed door 7 slides between the top and the bottom of the inner wall of the box frame 1, a glass window 8 is arranged on the closed door 7, an electromagnetic sealing gasket 9 is fixedly connected to the peripheral side face of the closed door 7, and a clamping groove 10 is formed in the closed door 7.
The conductive paint 2 adopts composite particles containing copper, silver and the like as conductive particles, has good conductive performance, and plays a good electromagnetic shielding role in the direct current power supply screen body 4 inside the box frame 1.
The conductive rubber 3 is a rubber material filled with metal filler, and provides functions of high conductivity, electromagnetic shielding and moisture-proof sealing, so that the direct-current power supply screen body 4 inside the box frame 1 is further shielded from electromagnetism.
The electromagnetic sealing gasket 9 is a hollow metal wire mesh shielding gasket, and when the closing door 7 is closed, the electromagnetic sealing gasket is stressed and compressed, so that electromagnetic shielding can be performed on a gap between the closing door 7 and the box frame 1, and internal electromagnetism cannot be leaked.
The glass window 8 has an electromagnetic shielding function, and the direct-current power supply screen body 4 is convenient to observe in the prior art.
The closing door 7 passes through the through opening 5 and extends to the outside of the box frame 1, and the buckle 6 is matched with the clamping groove 10.
The buckle 6 is connected with the clamping groove 10 in a clamping mode, and the closing door 7 is fixed conveniently.
The glass window 8 and the closing door 7 are fixed through glue joint, and epoxy adhesive filled with silver powder is adopted for gluing.
The silver powder filled epoxy adhesive has high-efficiency electric conduction and heat conduction performance and strong viscosity, is a high-purity adhesive system, and has a certain electromagnetic shielding function when being bonded by the silver powder filled epoxy adhesive.
The utility model provides a DC power supply screen with electromagnetic shield function's theory of operation as follows:
during the use, after having operated inside DC power supply screen body 4 of boxed 1, promote closing door 7 left for closing door 7 is closed with boxed 1, through buckle 6 and draw-in groove 10 joint, makes closing door 7 fix, can form sealed shielding electromagnetism between closing door 7 and the boxed 1 through electromagnetism sealing gasket 9, and electrically conductive lacquer 2 and electrically conductive rubber 3 separation electromagnetism that can be fine simultaneously.
Compared with the prior art, the utility model provides a DC power supply screen with electromagnetic shield function has following beneficial effect: through electrically conductive lacquer 2, electrically conductive rubber 3 and electromagnetism sealing pad 9 can be fine to the electromagnetism formation separation, avoided outside electromagnetism to get into DC power supply screen body 4, cause electromagnetic interference to it, also blocked the electromagnetism that DC power supply screen body 4 produced simultaneously, influence the normal operating of outside object, made things convenient for people's use.
Second embodiment
Referring to fig. 3, 4 and 5, based on the dc power panel with electromagnetic shielding function provided in the first embodiment of the present application, a second embodiment of the present application provides another dc power panel with electromagnetic shielding function. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the dc power supply screen with electromagnetic shielding function that the second embodiment of this application provided differs in that, a dc power supply screen with electromagnetic shielding function still includes vent 11 and fixed plate 12, vent 11 is seted up in the back of case frame 1, fixed plate 12 is fixed in the back of case frame 1, the quantity of fixed plate 12 is two.
The ventilation opening 11 can circulate the air inside and outside the box frame 1, thereby achieving the effect of heat dissipation
A ventilation waveguide window 13 is arranged between the two fixing plates 12, and an auxiliary plate 14 is fixedly connected to the bottom of the fixing plates 12.
The ventilation waveguide window 13 is a conventional one, has a function of preventing leakage of electromagnetic signals while ensuring air circulation, is a main channel for shielding exchange between indoor air and the outside, and can effectively prevent penetration of electromagnetic waves.
The auxiliary plate 14 is provided with a fixing device 15, the fixing device 15 includes a threaded rod 151, the threaded rod 151 is in threaded connection with the auxiliary plate 14, one end of the threaded rod 151 is fixedly connected with a handle 152, and the other end of the threaded rod 151 is rotatably connected with a clamping block 153.
The fixing device 15 facilitates fixing and removal of the ventilation waveguide window 13.
A fan 16 is arranged in the box frame 1, and a humidity sensor 17 is fixedly connected to the top of the inner wall of the box frame 1.
The fan 16 can exhaust moisture inside the case frame 1, so as to prevent the moisture from damaging the dc power supply panel body 4, and also has a certain heat dissipation effect.
The bottom of the box frame 1 is fixedly connected with an electric telescopic rod 18, and the bottom of the electric telescopic rod 18 is fixedly connected with a bottom plate 19.
The electric telescopic rod 18 can drive the box frame 1 to be far away from the ground, so that the direct-current power supply screen body 4 is far away from the ground, and more moisture entering the box frame 1 is reduced to damage the box frame.
When the weather is wet, moisture enters the inside of the box frame 1, and a large amount of moisture can damage electrical components on the direct-current power supply screen body 4.
Principle of operation
When wet weather occurs, moisture enters the inside of the box frame 1, when a certain degree is reached, the humidity sensor 17 senses the moisture, data analysis is carried out through the single chip microcomputer, the fan 16 is started to discharge the moisture inside the box frame 1, the electric telescopic rod 18 is started at the same time, the electric telescopic rod 18 drives the box frame 1 to ascend, so that the direct-current power supply screen body 4 ascends to be far away from the ground, and a large amount of moisture on the ground is prevented from entering;
can be infected with a large amount of dusts on the long-term ventilation waveguide window 13 of using to influence the effect of airing exhaust, thereby can dismantle it, rotate handle 152, drive threaded rod 151 and rotate, thereby drive fixture block 153 and remove left, remove the joint to ventilation waveguide window 13 fixed, then wash.
Advantageous effects
Can be when damp weather through fan 16, with the inside moisture discharge of case frame 1, avoided the inside moisture of case frame 1 to cause the damage to DC power supply screen body 4, utilize electric telescopic handle 18 to drive the ascending ground of keeping away from of DC power supply screen body 4 in the case frame 1 simultaneously, avoid the moisture on ground to get into case frame 1 inner wall in a large number, difficult discharge.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A direct current power supply panel with an electromagnetic shielding function, comprising:
a box frame;
the conductive paint is smeared on the outer surface of the box frame, conductive rubber is fixedly connected to the inner surface of the box frame, a direct-current power supply screen body is arranged inside the box frame, a through hole is formed in the box frame, and a buckle is arranged on the box frame;
the closed door, the closed door slide in between the top and the bottom of case frame inner wall, be provided with the glass window on the closed door, the week side fixedly connected with electromagnetism sealing pad of closed door, be provided with the draw-in groove on the closed door.
2. A dc power supply panel having an electromagnetic shielding function as claimed in claim 1, wherein: the closed door passes through the opening just extends to the outside of case frame, the buckle with draw-in groove looks adaptation.
3. A dc power supply panel having an electromagnetic shielding function as claimed in claim 1, wherein: the glass window and the closed door are fixed through glue joint, and epoxy adhesive filled with silver powder is adopted for gluing.
4. A dc power supply panel having an electromagnetic shielding function as claimed in claim 1, wherein: the box frame is characterized by further comprising a ventilation opening and two fixing plates, wherein the ventilation opening is formed in the back face of the box frame, the fixing plates are fixed to the back face of the box frame, and the number of the fixing plates is two.
5. The direct current power supply panel with electromagnetic shielding function according to claim 4, wherein: a ventilation waveguide window is arranged between the two fixed plates, and the bottom of each fixed plate is fixedly connected with an auxiliary plate.
6. The direct current power supply panel with electromagnetic shielding function according to claim 5, wherein: the auxiliary plate is provided with a fixing device, the fixing device comprises a threaded rod, the threaded rod is in threaded connection with the auxiliary plate, one end of the threaded rod is fixedly connected with a handle, and the other end of the threaded rod is rotatably connected with a clamping block.
7. The direct current power supply panel with electromagnetic shielding function according to claim 4, wherein: the inside of case frame is provided with the fan, the top fixedly connected with humidity transducer of case frame inner wall.
8. A dc power supply panel having an electromagnetic shielding function as claimed in claim 7, wherein: the bottom fixedly connected with electric telescopic handle of case frame, electric telescopic handle's bottom fixedly connected with bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975701.2U CN213546927U (en) | 2021-05-10 | 2021-05-10 | Direct current power supply screen with electromagnetic shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975701.2U CN213546927U (en) | 2021-05-10 | 2021-05-10 | Direct current power supply screen with electromagnetic shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213546927U true CN213546927U (en) | 2021-06-25 |
Family
ID=76486588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120975701.2U Active CN213546927U (en) | 2021-05-10 | 2021-05-10 | Direct current power supply screen with electromagnetic shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213546927U (en) |
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2021
- 2021-05-10 CN CN202120975701.2U patent/CN213546927U/en active Active
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