CN211860131U - Shielding device - Google Patents

Abstract

The utility model relates to an examination room equipment technical field, concretely relates to shielding device. The shield includes: the shielding ware main part, the shielding ware main part includes the casing, and install the shielding ware module of being connected with the shielding ware main part electricity in the casing, the shielding ware module can be at least to the cell-phone frequency channel, UV frequency channel or WIFI frequency channel shield, the shielding ware is still including installing the LORA who is connected with the shielding ware main part electricity in the casing and detecting shielding module, LORA detects shielding module including the LORA sweep frequency module that is used for the sweep frequency detection of LORA cheating signal, and be used for the LORA shielding module of LORA cheating signal shielding, and then the shielding ware passes through the shielding ware module and realizes the cell-phone frequency channel, when UV frequency channel or WIFI frequency channel shield, can detect the sweep frequency of LORA cheating signal by LORA sweep frequency module, and suppress the shielding to the LORA cheating signal by LORA shielding module, make the shielding ware have LORA cheating signal collection and shielding function simultaneously, the hidden danger in the examination has been reduced.

Description

Shielding device

Technical Field

The utility model relates to an examination room equipment technical field, concretely relates to shielding device.

Background

With the advance of technology, wireless communication technology has been further developed, and the data transmission mode used by cheating groups has also been advanced, which is changed from the previous high-power transmission mode to the low-power data transmission mode. The LORA is a new low-power consumption long-distance wireless communication technology, and is applied to cheating tools, so that the cheating tools based on the LORA technology appear.

For a newly appeared LORA cheating tool, a shielding device used in an examination room at present cannot effectively shield, and then a shielding hole exists, so that hidden cheating hazards are brought to an examination in the examination room.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a shielding device to solve among the prior art examination room shielding device and can't effectively discern the cheating instrument based on the LORA technique, and then there is the shielding leak, brings the problem of the hidden danger of cheating for the examination.

In order to achieve the above object, the present invention provides a shielding device, including: the shielding ware main part, the shielding ware main part includes the casing, and installs in the casing with the shielding ware module that shielding ware main part electricity is connected, shielding ware module can shield cell-phone frequency channel, UV frequency channel or WIFI frequency channel at least, the shielding ware is still including installing in the casing with the shielding module is listened to the LORA that shielding ware main part electricity is connected, the LORA is listened shielding module and is including the LORA sweep frequency module that is used for the sweep frequency detection of LORA cheating signal to and be used for the LORA shielding module of LORA cheating signal shielding.

Furthermore, the shielding device further comprises a main control module installed in the casing, and the shielding device module and the LORA detecting shielding module are respectively electrically connected with the main control module.

Further, the shielding ware main part is still including installing circuit board in the casing, the shielding ware module the LORA detects shielding module and host system all installs on the circuit board.

Furthermore, the shielding device further comprises a display module installed on the casing, and the display module is electrically connected with the LORA detecting shielding module and used for displaying the state information of the LORA detecting shielding module.

Furthermore, the shielding device further comprises a mounting groove arranged on the casing, and the display module is fixed on the mounting groove and leaks out of the display screen in the display module.

Further, the LORA frequency sweep module and the LORA shielding module both have built-in antennas.

Furthermore, the LORA frequency sweeping module and the LORA shielding module both adopt external antennas.

Further, the number of the LORA sweep modules is plural.

Further, the number of the LORA shielding modules is plural. The utility model discloses technical scheme has following advantage:

1. the utility model provides an among the shielding ware, when the shielding ware passes through shielding ware module realization cell-phone frequency channel, UV frequency channel or WIFI frequency channel shielding, can detect the sweep frequency of LORA cheating signal by LORA sweep frequency module to carry out suppression shielding to the LORA cheating signal by LORA shielding module, make the shielding ware have LORA cheating signal acquisition and shielding function simultaneously, reduced the hidden danger of cheating in the examination.

2. The utility model provides an among the shielding device, the shielding device still includes the display module on the installation casing, and the display module is listened the shielding module electricity with LORA and is connected for show LORA and listen the state information of shielding module, and then when using the shielding device, through display module's demonstration, can show suspicious signal, convenience of customers in time discerns and carries out subsequent operation.

3. The utility model provides an among the shielding ware, LORA frequency sweep module and LORA shielding module all have built-in antenna, and the shielding ware need not to set up the antenna alone for structure compactness more has reduced the volume that the shielding ware occupy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a schematic perspective view of a shielding device according to an embodiment of the present invention.

Fig. 2 is a system block diagram of the masker shown in fig. 1.

Wherein the reference numerals in the above figures are:

1. a display module; 2. the LORA detection shielding module; 3. a shield body.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and fig. 2, the shielding device in this embodiment includes a shielding device main body 3, the shielding device main body 3 includes a housing, and a shielding device module installed in the housing and electrically connected to the shielding device main body 3, the shielding device module can shield at least a handset frequency band, a UV frequency band, or a WIFI frequency band, the shielding device further includes a LORA detection shielding module 2 installed in the housing and electrically connected to the shielding device main body 3, the LORA detection shielding module 2 includes an LORA frequency sweep module for frequency sweep detection of LORA cheating signals and an LORA shielding module for shielding LORA cheating signals, and further, by using the shielding device in this embodiment, the shielding device can realize shielding of the handset frequency band, the UV frequency band, or the WIFI frequency band through the shielding device module, and simultaneously, the LORA frequency sweep detection of LORA cheating signals can be suppressed and shielded by the LORA shielding module, so that the shielding device has both functions of LORA cheating signal acquisition and shielding, the hidden danger of cheating in the examination is reduced.

It should be noted that, in this embodiment, the individual LORA frequency sweeping module and the individual LORA shielding module are existing mature technical modules, and detailed descriptions of specific structures thereof are not repeated here. For the shielding device module capable of shielding at least the mobile phone frequency band, the UV frequency band or the WIFI frequency band, the shielding device module can be formed by a component shielding the mobile phone frequency band, the UV frequency band or the WIFI frequency band in the existing shielding device, and the description is not repeated herein.

The shielding device in this embodiment further includes a main control module installed in the housing, and the shielding device module and the LORA detection shielding module 2 are electrically connected to the main control module, respectively. The shielding ware main part 3 is still including installing the circuit board in the casing, and shielding module 2 and host system are all installed on the circuit board to shielding ware module, LORA, and then can realize shielding ware module and LORA and survey the cooperation between shielding module 2, shield the signal in the examination room effectively, have reduced the possibility of practising fraud in the examination room.

Preferably, the shielding device in this embodiment further includes a display module 1 installed on the housing, the display module 1 is electrically connected to the LORA detection shielding module 2, and is configured to display status information of the LORA detection shielding module 2, so that when the shielding device is used, suspicious signals can be displayed through display of the display module 1, and users can recognize the suspicious signals in time and perform subsequent operations.

The display module 1 is preferably detachably mounted. The shielding device further comprises a mounting groove arranged on the machine shell, and the specific display module 1 is fixed on the mounting groove and leaks out of the display screen in the display module 1.

The preferred LORA frequency sweep module and LORA shielding module all have built-in antennas, and the shielding ware need not to set up the antenna alone for the structure is compacter, has reduced the volume that the shielding ware occupy. Of course, in a modified embodiment of the present invention, both the LORA sweep module and the LORA shielding module may employ external antennas, which can also achieve the purpose of the present application.

Preferably, in the shielding device in this embodiment, the number of LORA sweep modules is plural. The number of LORA shielding modules is plural. And then a plurality of LORA frequency sweep modules and LORA shielding module play a check effect to the signal, more accurate realization the reliable discernment and the shielding of shielding ware to the LORA signal, further reduced the hidden danger of practising fraud in the examination.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (9)

1. A shield, comprising: shield ware main part (3), shield ware main part (3) include the casing, and install in the casing with the shield ware module that shield ware main part (3) electricity is connected, shield ware module can shield to cell-phone frequency channel, UV frequency channel or WIFI frequency channel at least, the shield ware is still including installing in the casing with shielding module (2) is listened to the LORA that shield ware main part (3) electricity is connected, LORA surveys shielding module (2) including the LORA sweep frequency module that is used for the sweep frequency detection of LORA cheating signal to and be used for the LORA shielding module that LORA cheating signal shielded.

2. The shielding device of claim 1, further comprising a main control module installed in the housing, wherein the shielding device module and the LORA detection shielding module (2) are electrically connected to the main control module, respectively.

3. The shielding device according to claim 2, wherein the shielding device main body (3) further comprises a circuit board mounted in the housing, and the shielding device module, the LORA detection shielding module (2), and the main control module are mounted on the circuit board.

4. The shielding device according to claim 1, further comprising a display module (1) mounted on the housing, wherein the display module (1) is electrically connected to the LORA detection shielding module (2) for displaying status information of the LORA detection shielding module (2).

5. A screen according to claim 4, characterized in that the screen further comprises a mounting slot provided on the housing, the display module (1) being fixed on the mounting slot and leaking out of the display screen in the display module (1).

6. The radome of any one of claims 1-5 wherein the LORA sweep module and the LORA shield module each have a built-in antenna.

7. The radome of any one of claims 1-5 wherein both the LORA sweep module and the LORA shield module employ external antennas.

8. The mask of any one of claims 1 to 5, wherein the number of LORA swept frequency modules is plural.

9. The mask of claim 8 wherein the number of LORA mask modules is plural.

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