CN220434585U - Electromagnetic shielding double door structure - Google Patents

Abstract

The utility model provides an electromagnetic shielding double-door structure, which comprises a box body, a door plate structure and a locking structure, wherein one side of the box body in a first direction is opened to form a frame body, an annular shielding strip is arranged on the frame body, the door plate structure comprises two door plates which are arranged at intervals, the side parts of the two door plates, which are opposite to each other, are hinged to the frame body, sealing strips which are arranged on the two door plates in a protruding mode along the first direction are arranged on the side surfaces of the two door plates, corresponding to the side surfaces of the frame body, conducting cloth is arranged on the sealing strips and used for being in contact with the shielding strip, the locking structure comprises four electromagnetic locks, each electromagnetic lock comprises an electromagnet and a contact plate, and the four electromagnets are respectively arranged on the upper part and the lower part of the two door plates, and the four contact plates are correspondingly arranged on the frame body and are matched with the four electromagnets when the two door plates are closed. The utility model simplifies the door opening mode of the double-door electromagnetic shielding box and improves the convenience of door opening.

Description

Electromagnetic shielding double door structure

Technical Field

The utility model relates to the technical field of electromagnetic shielding, in particular to an electromagnetic shielding double door structure.

Background

The electromagnetic shielding box is equipment capable of processing conduction and radiation to provide a non-interference testing environment for tested wireless communication equipment, and is widely applied to the electronic field. The existing electromagnetic shielding box is mainly applied to a single door opening mode and is provided with a manual door opening and closing lock. The structure is complex when the door is opened and closed, is inconvenient, and occupies a large space after the door is opened.

Disclosure of Invention

The utility model mainly aims to provide an electromagnetic shielding double-door structure, which aims to solve the problems that the existing electromagnetic shielding box door is complex and inconvenient to operate.

In order to achieve the above object, the present utility model provides an electromagnetic shielding double door structure, comprising:

the box body is opened at one side of the first direction to form a frame body, and an annular shielding strip is arranged on the frame body;

the door plate structure comprises two door plates which are arranged at intervals, the side parts of the two door plates, which are opposite to each other, are hinged to the frame body, sealing strips which are arranged on the two door plates in a protruding mode along the first direction are arranged on the side faces of the corresponding frame body, and conductive cloth is arranged on the sealing strips and used for being in contact with the annular shielding strips; the method comprises the steps of,

the locking structure comprises four electromagnetic locks, each electromagnetic lock comprises an electromagnet and a contact plate, the four electromagnets are respectively positioned at the upper part and the lower part of the two door plates, and the four contact plates are correspondingly arranged on the frame body so as to be matched with the four electromagnets when the two door plates are closed.

Optionally, two door panels are provided at side ends close to each other, one of the two door panels is provided with a vertical shielding strip, and the other door panel is provided with a vertical sealing strip to which the conductive cloth is attached.

Optionally, one of the door panels is bent towards the side end of the other door panel to form a first mounting groove in the box body, and the notch of the first mounting groove is arranged in a first direction and is opposite to the box body;

the vertical shielding strip is arranged in the first mounting groove.

Optionally, each locking structure further includes a feedback device, where the feedback device is installed on the frame body and is spaced from the corresponding contact plate, and is used for sensing a distance between the contact plate and the electromagnet in each electromagnetic lock.

Optionally, shielding glass is arranged in the middle of each door plate, and shielding films are paved on one sides, close to the box body, of the shielding glass in the first direction.

Optionally, the upper and lower parts of each door panel are provided with second mounting grooves for mounting the electromagnets.

Optionally, a card reader is mounted on the box body, and the card reader is electrically connected with the locking structure to control on-off of currents on the four electromagnets.

Optionally, a plurality of strengthening ribs are arranged on the peripheral side wall and the upper side wall of the box body, and a plurality of strengthening ribs are arranged in parallel and used for strengthening the strength of the box body.

Optionally, a plurality of waterproof nuts are distributed on two sides of the box body in the second direction at intervals, and the waterproof nuts are used for mounting the bracket.

Optionally, a mounting hole is formed in the bottom of the box body, and the mounting hole is matched with a mounting shaft on the mobile robot.

In addition, the utility model also provides a control method of the electromagnetic shielding double door structure, based on the electromagnetic shielding double door structure, the box body is provided with the card swiping device, and the control method of the electromagnetic shielding double door structure comprises the following steps:

when the card swiping device receives card swiping information, an electromagnetic lock control instruction is sent out;

acquiring an actual distance value between an electromagnet in each electromagnetic lock and a contact plate;

when the actual distance values are smaller than a preset value;

and controlling the current disconnection of a plurality of electromagnets according to the electromagnetic lock control instruction.

According to the technical scheme, the electromagnetic shielding double-door structure occupies smaller space when the door is opened, the annular shielding strips are arranged on the frame body, the sealing strips which are arranged on the two door plates in a protruding mode along the first direction are arranged on the side faces of the corresponding frame body, so that the electromagnetic shielding double-door structure is guaranteed to have good shielding effect, the locking structure comprises four electromagnetic locks, each electromagnetic lock comprises an electromagnet and a contact plate, the door opening action can be completed only by disconnecting current on the four electromagnets after the electromagnetic shielding double-door structure is closed, the door opening mode is simplified, and the four electromagnets are electrified, and are tightly matched with the contact plates, so that the sealing strips are tightly pressed on the shielding strips, and the shielding performance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of an electromagnetic shielding double door structure provided by the present utility model;

FIG. 2 is a schematic view of the structure of the electromagnetic shielding double door structure of FIG. 1 in front of the double door when opened;

FIG. 3 is a schematic view of the structure of the electromagnetic shielding double door structure of FIG. 1, with the back side opened;

FIG. 4 is a top view of the electromagnetic shielding double door structure of FIG. 1 with the double door closed;

FIG. 5 is an enlarged view of a portion of the electromagnetic shielding double door structure at A of FIG. 4;

FIG. 6 is a partial enlarged view of the electromagnetic shielding double door structure at B of FIG. 4;

FIG. 7 is a schematic diagram of a control device of an electromagnetic shielding double door structure of a hardware operating environment according to an embodiment of the present utility model;

fig. 8 is a schematic flow chart of an embodiment of a control method of an electromagnetic shielding double door structure provided by the utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The electromagnetic shielding box is equipment capable of processing conduction and radiation to provide a non-interference testing environment for tested wireless communication equipment, and is widely applied to the electronic field. The existing electromagnetic shielding box is mainly applied to a single door opening mode and is provided with a manual door opening and closing lock. This kind of structure is comparatively laborious when opening and shutting the door, and is inconvenient inadequately, and because the design of singly opening the door, the space that occupies after the door was opened is great.

In order to solve the problems, the utility model provides an electromagnetic shielding double door structure, which aims to solve the problems that the existing electromagnetic shielding box is complex in door opening and inconvenient to operate. Fig. 1 to fig. 6 are schematic structural diagrams of an embodiment of the present utility model.

Referring to fig. 1 to 2, the electromagnetic shielding double door structure 1000 includes a box 1, a door plate structure 2 and a locking structure 3, where one side of the box 1 in a first direction is opened to form a frame 11, the frame 11 is provided with an annular shielding strip 111, the door plate structure 2 includes two door plates 21 disposed at intervals, two side portions of the door plates 21 opposite to each other are hinged to the frame 11, annular sealing strips 211 protruding in the first direction are disposed on the two door plates 21 corresponding to the side surfaces of the frame 11, conductive cloth 212 is disposed on the annular sealing strips 211 to contact with the annular shielding strip 111, the locking structure 3 includes four electromagnetic locks 31, each electromagnetic lock 31 includes an electromagnet 311 and a contact plate 312, and four electromagnets 311 are respectively disposed on the upper portion and the lower portion of the two door plates 21, and four contact plates 312 are correspondingly disposed on the frame 11 to cooperate with the four electromagnets 311 when the two door plates 21 are closed.

In the technical scheme provided by the utility model, two door plates 21 are arranged at intervals, so that the electromagnetic shielding double-door structure 1000 occupies smaller space when the door is opened, meanwhile, the annular shielding strips 111 are arranged on the frame 11, and annular sealing strips 211 which are correspondingly arranged on the two door plates 21 in a protruding manner along the first direction are arranged on the side surfaces of the corresponding frame 11, so that the electromagnetic shielding double-door structure 1000 is ensured to have good shielding effect, the locking structure 3 comprises four electromagnetic locks 31, each electromagnetic lock 31 comprises an electromagnet 311 and a contact plate 312, the door opening action can be completed only by disconnecting the currents on the four electromagnets 311 after the electromagnetic shielding double-door structure 1000 is closed, the door opening mode is simplified, and the annular sealing strips 111 are tightly pressed by the annular sealing strips 211 through electrifying the four electromagnets 311, so that the shielding performance is improved.

In an embodiment, referring to fig. 2, two door panels 21 are disposed near each other at their lateral ends, one of which is provided with a vertical shielding strip 213, and the other is provided with a vertical sealing strip 214 to which the conductive cloth 212 is attached. By the design, the gap between the two door plates 21 is matched and sealed by the vertical shielding strips 213 and the vertical sealing strips 214, so that the electromagnetic shielding double door structure 1000 is completely shielded, and the defect that the double door structure is poorer in shielding property compared with the single door structure is overcome.

Referring to fig. 2, taking the example that the vertical shielding strip 213 is disposed on the left door, the corresponding vertical sealing strip 214 is disposed on the right door, when the electromagnetic shielding double door structure 1000 is closed, four electromagnets 311 are first powered on, then the left door is closed, and the right door is closed after the left door is closed. When the electromagnetic shielding double door structure 1000 is opened, the electromagnet 311 needs to be powered off, and then the right door is opened first and then the left door is opened. The case where the vertical shielding strip 213 is disposed on the right door is similar to the present embodiment, and the present utility model will not be described in detail.

Further, referring to fig. 4 and 6, one door panel 21 is bent toward the side end of the other door panel 21 toward the inside of the case 1 to form a first installation groove 2131, and the notch of the first installation groove 2131 is oriented in a first direction away from the case 1; the vertical shielding strip 213 is disposed in the first mounting groove 2131. By such design, the vertical shielding strip 213 may deform along with the first mounting groove 2131 to wrap the vertical sealing strip 214 when pressed by the vertical sealing strip 214, thereby further improving the shielding performance of the electromagnetic shielding double door structure 1000. Of course, the present solution does not limit the specific orientation of the notch, for example, the orientation of the notch and the vertical shielding strip 213 may be set opposite to the two door panels 21, so that the shielding effect is better but the door is not convenient enough to open or close.

In an embodiment, each locking structure 3 further includes a feedback device, where the feedback device is mounted on the frame 11 and is spaced from the corresponding contact plate 312, so as to sense a distance between the contact plate 312 and the electromagnet 311 in each electromagnetic lock 31. So designed, when the door panel 21 is not completely closed for some special reasons, it is difficult to distinguish by naked eyes, and it is clearly known by the sensing device whether the door panel 21 is closed at this time. Of course, the present embodiment is not limited to a specific method of sensing the distance between the contact plate 312 and the electromagnet 311, and for example, an infrared sensor or the like may be used.

In an embodiment, please refer to fig. 1, in order to facilitate the observation of the specific condition of the articles inside the case 1, a shielding glass 215 is disposed in the middle of the door plate 21, a shielding film 216 is laid on one side of the shielding glass 215, which is close to the case 1 in the first direction, so that the shielding effect of the electromagnetic shielding double door structure 1000 is not affected, and the perspective of the door plate 21 is improved.

In one embodiment, the upper and lower portions of each door panel 21 are provided with second mounting grooves 313, and the second mounting grooves 313 are used for mounting the electromagnets 311. By such design, when each door plate 21 is closed, the annular sealing strips 211 and the annular sealing knife can be matched more deeply, so that the shielding effect is improved. Of course, the present solution is not limited thereto, and for example, the second mounting groove 313 may be provided at the position of the frame 11 corresponding to the contact plate 312 for mounting the contact plate 312, and different strategies may be changed according to different requirements in practical situations.

In an embodiment, referring to fig. 1, in order to simplify the door opening manner, the case 1 is provided with a card reader 12, and the card reader 12 is electrically connected to the locking structure 3 to control the on/off of the currents on the four electromagnets 311. Of course, the embodiment is not limited to the specific form of the card reader 12, and the card reader 12 may be other receivers capable of receiving instructions, such as a fingerprint sensor, and the actual situation may change different strategies according to different requirements.

In an embodiment, referring to fig. 3, a plurality of reinforcing ribs 14 are disposed on the peripheral side wall and the upper side wall of the case 1, and the plurality of reinforcing ribs 14 are disposed in parallel to strengthen the case 1. The box 1 has a plurality of waterproof nuts 13 in the both sides interval distribution in the second direction, and a plurality of waterproof nuts 13 are used for supplying the support to install, so design, the inside multiple article of holding of box 1, and can be in the support of co-altitude is in according to article specification design to the maximize utilization the interior space of box 1.

In an embodiment, a mounting hole is formed in the bottom of the box 1, and the mounting hole is matched with a mounting shaft on the mobile robot. So design electromagnetic shield two open door structure 1000 can follow mobile robot removes, compares in traditional electromagnetic shield case, and this scheme can realize independently transporting the function of article, more intelligent. Of course, the specific installation modes of the box body 1 and the mobile robot are not limited, for example, a clamping device can be arranged on the box body 1 and fixed on the mobile robot in a clamping mode.

The working process of the electromagnetic shielding double door structure 1000 is described below by taking the example that the vertical shielding strip 213 is disposed on the left door as an example, please refer to fig. 1 and 2, the corresponding vertical sealing strip 214 is disposed on the right door, when the electromagnetic shielding double door structure 1000 needs to be opened, the card is swiped on the card swiping device 12, the card swiping device 12 controls the current on the electromagnet 311 to be disconnected after receiving the card swiping signal, at this time, the acting force between the electromagnet 311 and the contact plate 312 disappears, all sealing strips do not press the shielding strip any more, and then the right door is opened first and then the left door is opened, so that the opening of the electromagnetic shielding double door structure 1000 is realized.

Referring to fig. 7, fig. 7 is a schematic diagram of a control device of an electromagnetic shielding double door structure of a hardware operation environment according to an embodiment of the present utility model.

As shown in fig. 7, the control device of the electromagnetic shielding double door structure may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.

It will be appreciated by those skilled in the art that the configuration shown in fig. 7 is not limiting of the control device of the electromagnetic shield double door configuration and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.

As shown in fig. 7, an operating system, a network communication module, a user interface module, and an electromagnetic shield double door structure control program may be included in the memory 1005 as one type of storage medium.

In the control device of the electromagnetic shielding double door structure shown in fig. 7, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the electromagnetic shielding double door structure control device of the present utility model may be disposed in the electromagnetic shielding double door structure control device, where the electromagnetic shielding double door structure control device invokes an electromagnetic shielding double door structure control program stored in the memory 1005 through the processor 1001, and executes the electromagnetic shielding double door structure control method provided by the embodiment of the present utility model.

The utility model also provides a control method of the electromagnetic shielding double door structure, based on the electromagnetic shielding double door structure 1000, referring to fig. 8, fig. 8 is a flow chart of an embodiment of the control method of the electromagnetic shielding double door structure.

In this embodiment, the control method of the electromagnetic shielding double door structure specifically includes the following steps:

step S10: when the card reader 12 receives the card reading information, an electromagnetic lock control instruction is sent.

It should be noted that, the card reader 12 in this embodiment may be other receivers capable of receiving instructions, such as a fingerprint sensor; the corresponding card swiping information may also be other information received by the corresponding receiver, such as a fingerprint, which is not particularly limited in this embodiment.

In a specific implementation, when the card reader 12 receives the card reading information, an electromagnetic lock control instruction is sent to the industrial personal computer, and the instruction can control the locking structure 3 to be opened.

Step S20: an actual distance value between the electromagnet 311 and the contact plate 312 in each electromagnetic lock 31 is obtained.

It will be appreciated that when the industrial personal computer receives the electromagnetic control instruction, it is necessary to determine the current door opening/closing state, and only when the door panel 21 is in the closed state, the door opening operation can be performed.

Step S30: and when the actual distance values are smaller than the preset value.

It should be noted that, the preset value refers to the maximum distance between each electromagnet 311 and the contact plate 312 when the door panel 21 is closed, and the door panel 21 can be guaranteed to be closed only when the maximum distance is smaller than the preset value. The preset value is not limited to a certain determined value, and a range in which the preset value can be set may be determined according to the accuracy of the movement of the door panel 21.

In a specific implementation, when the preset value is set to be 2mm, one of the actual values is 5mm, and whether the actual distance values are smaller than the preset value is judged.

Step S40: and controlling the current disconnection of a plurality of electromagnets 311 according to the electromagnetic lock control instruction.

In a specific implementation, when the industrial personal computer receives the electromagnetic lock control instruction and determines that a plurality of actual distance values are smaller than a preset value, the current of the electromagnets 311 is controlled to be disconnected, so that the electromagnets 311 lose magnetism and are disengaged from the contact plate 312, and the electromagnetic shielding double door structure 1000 can be opened under the action of external force.

In step S30, if at least one of the actual distance values is greater than the preset value, it indicates that the door is not closed, and at this time, the current on the electromagnets 311 is controlled to be communicated, so as to cooperate with the contact plates, thereby achieving the purpose of closing the door.

In the technical scheme provided by the utility model, by acquiring the actual distance value between the electromagnet 311 and the contact plate 312 in each electromagnetic lock 31, whether the door plate 21 is in the closed state or the open state at the moment is judged, the door plate 21 can be ensured to be in the closed state only when all the actual distance values are smaller than the preset value, and the current of a plurality of electromagnets 311 is controlled to be disconnected at the moment, so that the door plate 21 is opened, the door plate 21 is ensured to be closed by swiping a card when the door plate 21 is opened, the door plate 21 is opened by swiping a card when the door plate 21 is closed, the door opening and closing mode is simplified, and the use experience of a user is improved.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present utility model may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. Read Only Memory)/RAM, magnetic disk, optical disk) and including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present utility model.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An electromagnetic shielding double door structure, comprising:

the box body is opened at one side of the first direction to form a frame body, and an annular shielding strip is arranged on the frame body;

the door plate structure comprises two door plates which are arranged at intervals, the side parts of the two door plates, which are opposite to each other, are hinged to the frame body, sealing strips which are arranged on the two door plates in a protruding mode along the first direction are arranged on the side faces of the corresponding frame body, and conductive cloth is arranged on the sealing strips and used for being in contact with the annular shielding strips; the method comprises the steps of,

the locking structure comprises four electromagnetic locks, each electromagnetic lock comprises an electromagnet and a contact plate, the four electromagnets are respectively positioned at the upper part and the lower part of the two door plates, and the four contact plates are correspondingly arranged on the frame body so as to be matched with the four electromagnets when the two door plates are closed.

2. The electromagnetic shielding double door structure according to claim 1, wherein two of the door panels are provided at side ends close to each other, one of which is provided with a vertical shielding strip, and the other of which is provided with a vertical sealing strip to which the conductive cloth is attached.

3. The electromagnetic shielding double door structure according to claim 2, wherein one of the door panels is bent toward a side end of the other door panel into the case to form a first mounting groove, and a notch of the first mounting groove is oriented in a first direction away from the case;

the vertical shielding strip is arranged in the first mounting groove.

4. The electromagnetic shielding double door structure according to claim 1, wherein each locking structure further comprises a feedback device, and the feedback device is mounted on the frame body and is arranged at intervals from the corresponding contact plate, and is used for sensing the distance between the contact plate and the electromagnet in each electromagnetic lock.

5. The electromagnetic shielding double door structure according to claim 1, wherein shielding glass is arranged in the middle of each of the two door panels, and a shielding film is laid on one side of the shielding glass, which is close to the box body, in the first direction.

6. The electromagnetic shielding double door structure according to claim 1, wherein the upper and lower portions of each of the door panels are provided with second mounting grooves for mounting the electromagnets.

7. The electromagnetic shielding double door structure according to claim 1, wherein a card reader is mounted on the box body, and the card reader is electrically connected with the locking structure to control on-off of currents on the four electromagnets.

8. The electromagnetic shielding double door structure according to claim 1, wherein a plurality of reinforcing ribs are provided on both the peripheral side wall and the upper side wall of the case, and a plurality of the reinforcing ribs are arranged in parallel for reinforcing the strength of the case.

9. The electromagnetic shielding double door structure according to claim 1, wherein a plurality of waterproof nuts are distributed on two sides of the box body in the second direction at intervals, and the waterproof nuts are used for mounting the bracket.

10. The electromagnetic shielding double door structure according to claim 1, wherein the bottom of the box body is provided with a mounting hole, and the mounting hole is matched with a mounting shaft on the mobile robot.