CN218570774U - Shielding device for microcomputer protection - Google Patents

Abstract

The utility model discloses a shield assembly for computer protection, including the computer protector body, the computer protector body includes shielding shell, control panel and shielding lid, the shielding lid for the transparent cover and with keep safe interval between the control panel, the below of shielding lid through the pivot with the lateral wall that holds the recess rotates to be connected, the top both sides and the top of shielding lid are equipped with spacing axle respectively, spacing axle with block or lock are connected between the shielding shell. This computer protector's shield assembly passes through shield shell with the setting of shield cover plays the effect of dual protection, can enough play the effect of electromagnetic shield, also plays the effect that prevents dust and separate the ash, and the form of uncapping that turns over down moreover can let the shield cover of opening need not fixed once more or hand shield cover, and the shield cover can stop by oneself with certain angle that opens and shuts, makes things convenient for operating personnel to use.

Description

Shielding device for microcomputer protection

Technical Field

The utility model relates to computer protector technical field, concretely relates to a shield assembly for computer protection.

Background

The microcomputer protection device is composed of components such as a single chip microcomputer with high integration degree and no bus chip, a high-precision current and voltage transformer, a high-insulation-strength outlet intermediate relay, a high-reliability switching power supply module and the like, is mainly used for power plants, transformer substations, power distribution stations and the like with the voltage class of 110KV and below, and can also be used for protecting, measuring and controlling the voltage and the current of a system in the voltage class of 70V-220V. The microcomputer protector is widely used, and is used indoors, outdoors, clean places, factories or mineral factories with severe environment and the like.

The microcomputer protector needs to have a better shielding effect in the using process, and the shielding effect can be embodied in two aspects, namely the shielding of electromagnetism and the like to avoid electromagnetic interference, and the shielding of dust, sundries, water vapor and the like to avoid negative influences of the substances on a control panel and internal components and parts so as to avoid influencing the service life.

The chinese utility model patent (publication No. CN 206061320U) discloses a computer protection measurement and control device case, which can effectively reduce the influence of electromagnetic interference and dust entering on the case by arranging a shielding cover outside the front panel. Although the shielding cover has a certain shielding effect, when the shielding cover is opened upwards, an operator needs to hold the shielding cover with one hand or fix the shielding cover with a tool when using the shielding cover, and the shielding cover is only used as a cover and has a single function.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide a shield assembly for computer protection.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a shielding device for protecting a microcomputer comprises a microcomputer protector body, wherein the microcomputer protector body comprises a shielding shell and a control panel embedded in the end face of the shielding shell, the front end of the shielding shell is provided with an accommodating groove, and the control panel is embedded in the accommodating groove and is detachably and fixedly connected with the shielding shell; the shielding cover capable of being opened and closed is further arranged in the accommodating groove, the shielding cover is a transparent cover and is in safe interval with the control panel, the lower portion of the shielding cover is rotatably connected with the side wall of the accommodating groove through a rotating shaft, two sides and the top of the upper portion of the shielding cover are respectively provided with a limiting shaft, and the limiting shaft is clamped or buckled with the shielding shell.

The shielding device of the microcomputer protector has the double protection effect through the arrangement of the shielding shell and the shielding cover, on one hand, the shielding shell can be used as an anti-electromagnetic interference shell to play a role of electromagnetic shielding; on the other hand the shielding lid can regard as the protective cover to use, and isolated dust, debris etc. play dustproof effect that separates the ash to control panel's influence.

The shielding cover is in a downward flip cover form, and has the advantages that firstly, the shielding cover does not need to be fixed again or held by hands after being opened, the shielding cover can be automatically stopped at a certain opening and closing angle, for example, the opening and closing angle of the maximum 90 degrees, the lower end of the shielding cover can be limited and stopped by the bottom of the shielding shell, and at the moment, the two hands of an operator are liberated, so that the operator can operate or debug the microcomputer protector, and the cover is prevented from being held by one hand; and secondly, the opened shielding cover can be used as a storage platform, and some documents, forms or small tools can be temporarily placed on the shielding cover, so that the shielding cover is convenient for operators to refer and use, and can be folded when the maintenance or data processing of the microcomputer protector is finished.

The lower part of the shielding cover can also adopt parts such as hinges and the like to be rotationally connected with the lower part of the accommodating groove; the arrangement of the limiting shaft can be matched with the clamping groove on the shielding shell to form a clamping or buckling connection relation, so that the effects of connecting and fixing the shielding cover are achieved, and the shielding cover can not be opened automatically after being closed.

Furthermore, the front end face of the shielding shell is fixedly embedded with a plurality of elastic seats, each elastic seat is internally provided with a clamping groove, an opening of each clamping groove is provided with a necking part, each clamping groove is used for connecting the corresponding limiting shaft, and the inner diameter of each necking part is smaller than the outer diameter of the corresponding limiting shaft.

The elastic seat with the structure has a self-adaptive clamping effect, and can allow the limiting shaft to be pressed into the clamping groove under the limiting and elastic deformation effects of the necking part and avoid the limiting shaft from being separated from the clamping groove.

The minimum inner diameter of the necking part is smaller than the outer diameter of the limiting shaft, and the specific size of the necking part can be selected according to the size and the strength of the limiting shaft and the comprehensive consideration of the deformation capacity of the elastic seat.

Furthermore, the elastic seat is a rubber seat or a plastic seat, is arranged in the shielding shell in an adhesive manner, and is easy to fix by adopting an adhesive manner, so that screws are prevented from being arranged in a narrow space; at least one spacing axle stretches out shield shell is connected with the handle, the setting up of handle conveniently applies external force and opens the shield cover, because the weight itself of shield cover is lighter, the fixed intensity of block is also not high moreover, set up miniature stir the handle can.

Furthermore, control panel through a plurality of screws with shield shell can dismantle the connection, the screw is countersunk screw, sets up respectively control panel's four corners department.

Further, the shielding lid is glass lid or transparent plastic lid or transparent resin lid, the shielding lid does not bulge after closing shielding shell, that is to say it provides and holds to hold the recess the space of shielding lid, the appearance is more level and smooth after the lid closes like this, can not be because of addding the shielding lid and obstacle.

Furthermore, the shielding cover is arranged in an elastic area corresponding to the button area of the control panel, a plurality of small bulges are respectively arranged on the inner sides of the elastic area, and the small bulges are arranged in one-to-one correspondence with the buttons on the control panel.

The elastic zone is arranged to enable the zone to be properly deformed in the shielding cover, the deformation enables the small bulge to move forwards to touch the button on the control panel, and a gap is formed between the small bulge and the button when external force is not applied. The benefit that sets up like this is, when carrying out some little operations to the microcomputer protection ware, can not open the shielding lid directly plays the click through pressing these little archs the effect of button accomplishes some simple instruction operations, can reduce the frequency that the shielding lid opened like this, reduces the probability that outside dust, dust got into, and this kind of little operation can be frequent moreover, though the single is not eyed, but the accumulation of a lot of times still has better shielding protective effect. For more complicated operation, or the operation panel needs to be maintained, or the shielding cover can be opened for operation when debugging is carried out for a long time, and dust or sundries falling on the shielding cover can be cleaned and then opened before opening.

If the transparent plastic cover or the transparent resin cover is adopted as the shielding cover, the material with moderate hardness is directly selected for manufacturing, or the materials with two grades with different plasticity are adopted for manufacturing in a partition way, so that the shielding cover is relatively easy to form; if the shielding cover made of glass is adopted, an elastic transparent material is required to be embedded at the middle lower part, and the manufacturing requirement is higher.

Furthermore, a plurality of pull ropes or torsion springs are arranged between the lower part of the shielding cover and the control panel. The stay cord perhaps the setting of torsional spring can play the tractive effect after the shielding lid is opened, makes the shielding lid can be opened and stop with the angle that is less than 90 degrees, avoids the lower tip of shielding lid is spacing with shielding shell's lower frame hard contact. Certainly, the torsional spring can also play the effect of elasticity uncapping, its elasticity should not exceed when the type is selected the snap-fit power when the snap-fit is fixed above the shielding lid.

Further, the shielding shell comprises a non-metal lining, and a metal thin skin is wrapped outside the non-metal lining. The nonmetal inner lining can adopt materials with certain strength such as engineering plastics as the casing, the metal pellicle can also have the effect of electromagnetic shield with materials such as aluminium skin, steel sheet when having outside protective effect, and whole weight is comparatively light moreover, also can for promoting the shielding effect set up the barrier coating on the nonmetal inner lining. The composite shielding shell has better effect than the shell which is made of a thicker aluminum frame or a stainless steel outer frame.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the shielding device of the microcomputer protector has the double-protection effect through the arrangement of the shielding shell and the shielding cover, and on one hand, the shielding shell can be used as an anti-electromagnetic interference shell to play a role in electromagnetic shielding; on the other hand, the shielding cover can be used as a protective cover to isolate the influence of dust, sundries and the like on the control panel, so that the dustproof, dustproof and waterproof effects are achieved; 2. the shielding cover adopts a lower turnover cover form, and has the advantages that firstly, after the shielding cover is opened, the shielding cover does not need to be fixed again or held by hands, and can be automatically stopped at a certain opening and closing angle; secondly, the opened shielding cover can be used as a storage platform, and some files, forms or small tools can be temporarily placed on the shielding cover, so that the reference and the use of operators are facilitated; 3. the limiting shaft can be matched with the clamping groove on the shielding shell to form a clamping or buckling connection relation, so that the effect of connecting and fixing the shielding cover is achieved, and the shielding cover cannot be opened automatically after being covered; 4. the elastic zone is arranged to enable the zone to be properly deformed in the shielding cover so as to enable the small bulges to move forwards to touch the buttons on the control panel, and when small operations are performed on the microcomputer protector, the shielding cover can be not opened, the small bulges are directly pressed to play a role in clicking the buttons, and simple instruction operations are completed.

Drawings

Fig. 1 is a schematic front view of a shielding device for microcomputer protection according to the present invention;

fig. 2 is a schematic partial sectional view of a side structure of a shielding device for protecting a microcomputer according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the elastic seat of the present invention;

fig. 5 is a schematic view illustrating an opened structure of a shield cover of a shield for protecting a microcomputer according to the present invention;

fig. 6 is a schematic cross-sectional view of a shield casing of a shield for microcomputer protection according to the present invention;

fig. 7 is a schematic side view of another shielding cover according to the present invention;

fig. 8 is a schematic plan view of another shielding cover of the present invention;

in the figure: 1. a shield case; 101. a non-metallic inner liner; 102. a thin metal skin; 2. a control panel; 3. a shield cover; 4. a rotating shaft; 5. a limiting shaft; 6. a handle; 7. a screw; 8. an elastic seat; 801. clamping the groove; 9. necking down; 10. pulling a rope; 11. an elastic region; 12. and (5) small bulges.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the drawings in the present application, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 5, a shielding device for protecting a microcomputer includes a microcomputer protector body, the microcomputer protector body includes a shielding shell 1 and a control panel 2 embedded in an end surface of the shielding shell 1, a receiving groove is provided at a front end of the shielding shell 1, and the control panel 2 is embedded in the receiving groove and detachably and fixedly connected to the shielding shell 1; the novel shielding case is characterized in that a shielding cover 3 capable of being opened and closed is further arranged in the accommodating groove, the shielding cover 3 is a transparent cover and is in safe interval with the control panel 2, the lower portion of the shielding cover 3 is rotatably connected with the side wall of the accommodating groove through a rotating shaft 4, two sides and the top of the upper portion of the shielding cover 3 are respectively provided with a limiting shaft 5, and the limiting shaft 5 is connected with the shielding case 1 in a clamping mode.

The shielding device of the microcomputer protector has the double protection effect through the arrangement of the shielding shell 1 and the shielding cover 3, on one hand, the shielding shell 1 can be used as an anti-electromagnetic interference shell to play a role of electromagnetic shielding; on the other hand shielding lid 3 can regard as the protective cover to use, and isolated dust, debris etc. play dustproof effect of isolating grey to control panel's influence.

The shielding cover is in a downward flip cover form, so that firstly, the shielding cover 3 does not need to be fixed again or held by hands after being opened, the shielding cover 3 can be stopped by itself at a certain opening and closing angle, for example, the opening and closing angle of the maximum 90 degrees, the lower end of the shielding cover can be limited and stopped by the bottom of the shielding shell, and at the moment, the two hands of an operator are liberated, so that the operator can operate or debug the microcomputer protector, and the cover is prevented from being held by one hand; and secondly, the opened shielding cover 3 can be used as a storage platform, and some documents, forms or small tools can be temporarily placed on the shielding cover, so that the shielding cover is convenient for operators to refer and use, and can be folded when the maintenance or data processing of the microcomputer protector is finished.

The arrangement of the limiting shaft 5 can be matched with the clamping groove on the shielding shell 1 to form a clamping connection relation, so that the effect of connecting and fixing the shielding cover 3 is achieved, and the shielding cover 3 can not be opened automatically after being covered.

Further, the front end face of the shielding shell 1 is fixedly embedded with three elastic seats 8, the elastic seats 8 are internally provided with clamping grooves 801, the opening of each clamping groove 801 is provided with a necking part 9, each clamping groove 801 is used for connecting the limiting shaft 5, and the inner diameter of each necking part 9 is smaller than the outer diameter of the limiting shaft 5.

The elastic seat with the structure has a self-adaptive clamping effect, the limiting shaft 5 can be pressed into the clamping groove 801 under the limiting and elastic deformation effects of the necking part 9, the limiting shaft is limited and prevented from being separated, and when the shielding cover 3 is subjected to an opening external force, the limiting shaft 5 can be smoothly moved out of the clamping groove 801.

The minimum inner diameter of the necking part 9 is smaller than the outer diameter of the limiting shaft 5, and the specific size of the necking part can be selected according to the size and the strength of the limiting shaft and the comprehensive consideration of the deformation capacity of the elastic seat.

Furthermore, the elastic seat 8 is a rubber seat, the elastic seat 8 is arranged in the shielding shell 1 in an adhesive manner, and the elastic seat is easy to fix by adopting an adhesive manner, so that screws are prevented from being arranged in a narrow space; the upper limit shaft extends out of the shielding shell 1 and is connected with a handle 6, the handle 6 is convenient for applying external force to open the shielding cover 3, and the shielding cover 3 is light in weight and not too high in clamping and fixing strength, so that a small shifting handle is arranged.

Further, control panel 2 through a plurality of screws 7 with shielding shell 1 can dismantle the connection, screw 7 is countersunk screw, sets up respectively control panel's four corners department avoids screw 7's head protrusion, occupation space.

Further, shielding lid 3 is the transparent plastic lid, 3 covers of shielding lid and closes the back and do not bulge shielding housing 1, that is to say it provides and holds to hold the recess shielding lid 3's space, like this the lid closes the back appearance and more levels, can not be because of addding the shielding lid and obstacle.

Further, as shown in fig. 6, the shielding shell 1 includes a non-metal lining 101, and the non-metal lining 101 is wrapped by a thin metal skin 102. Nonmetal inside lining 101 can adopt engineering plastics etc. to have the material of certain intensity as the casing, metal sheet 102 can also have the effect of electromagnetic shield with materials such as aluminium skin, steel sheet when having outside protective effect, and whole weight is comparatively light moreover, also can for the promotion shielding effect set up the shielding coating on the nonmetal inside lining. The composite shielding shell has better effect than the shell which is made of a thicker aluminum frame or a stainless steel outer frame.

Example two:

the difference between the present embodiment and the first embodiment is that a pull rope is provided to limit the opened shielding cover.

As shown in fig. 5, a pair of pull cords 10 are further provided between the lower side of the shield cover 3 and the control panel 2. The arrangement of the pull rope 10 can play a role in pulling after the shielding cover 3 is opened, so that the shielding cover 3 can be opened and stopped at an angle smaller than 90 degrees, and the lower end part of the shielding cover is prevented from being in hard contact with the lower frame of the shielding shell for limitation.

Example three:

the present embodiment is different from the first embodiment in that a shield cover of another structure is provided.

As shown in fig. 7 and 8, the button area of the shielding cover 3 corresponding to the control panel 2 is set as an elastic area 11, the inner side of the elastic area 11 is respectively provided with a plurality of small protrusions 12, and the small protrusions 12 are arranged in one-to-one correspondence with the buttons on the control panel 2.

The provision of the elastic zone 11 allows this zone to be suitably deformed in the shielding cover 3, this deformation allowing the small projection 12 to move forward, touching the button on the control panel 2, with a gap between the small projection 12 and the button when not subjected to an external force. The benefit that sets up like this is, when carrying out some little operations to the microcomputer protection ware, can not open shielding lid 3, directly plays the click through pressing these little archs 12 the effect of button accomplishes some simple instruction operations, can reduce the frequency that shielding lid opened like this, reduces the probability that outside dust, dust got into, and this kind of little operation can be frequent often moreover, though single not being good at, but the accumulation of a lot of times still has better shielding protective effect. For more complicated operation, or the operation panel needs to be maintained, or the shielding cover can be opened for operation when debugging is carried out for a long time, and dust or sundries falling on the shielding cover can be cleaned and then opened before opening.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (8)

1. A shielding device for microcomputer protection comprises a microcomputer protector body, wherein the microcomputer protector body comprises a shielding shell and a control panel embedded in the end face of the shielding shell; the shielding cover capable of being opened and closed is further arranged in the accommodating groove, the shielding cover is a transparent cover and is in safe interval with the control panel, the lower portion of the shielding cover is rotatably connected with the side wall of the accommodating groove through a rotating shaft, two sides and the top of the upper portion of the shielding cover are respectively provided with a limiting shaft, and the limiting shaft is clamped or buckled with the shielding shell.

2. The shielding device for microcomputer protection according to claim 1, wherein a plurality of elastic seats are fixedly embedded in the front end surface of the shielding shell, a clamping groove is formed in each elastic seat, a necking portion is formed at an opening of each clamping groove, each clamping groove is used for connecting the limiting shaft, and the inner diameter of each necking portion is smaller than the outer diameter of the limiting shaft.

3. The shielding apparatus for microcomputer protection according to claim 2, wherein the elastic seat is a rubber seat or a plastic seat, and the elastic seat is arranged in the shielding housing by gluing; at least one of the limiting shafts extends out of the shielding shell and is connected with a handle.

4. The shielding apparatus for microcomputer protection according to claim 1, wherein the control panel is detachably connected to the shielding case by a plurality of screws, which are countersunk screws respectively disposed at four corners of the control panel.

5. The shield apparatus for microcomputer protection according to claim 1, wherein the shield cover is a glass cover or a transparent plastic cover or a transparent resin cover, and the shield cover does not protrude from the shield case after being covered.

6. The shielding apparatus for microcomputer protection according to claim 1, wherein the shielding cover is configured as an elastic region corresponding to the button region of the control panel, a plurality of small protrusions are respectively disposed on the inner side of the elastic region, and the small protrusions are in one-to-one correspondence with the buttons on the control panel.

7. The shielding apparatus for microcomputer protection according to claim 1, wherein a plurality of pull cords or torsion springs are further disposed between the lower portion of the shielding cover and the control panel.

8. The shielding apparatus for microcomputer protection according to claim 1, wherein the shielding shell includes a non-metallic inner liner that is wrapped with a thin metal skin.

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