阅读说明：本技术 一种具备感光功能的会议机 (Conference machine with photosensitive function ) 是由 高胡胜 范维亮 于 2021-09-22 设计创作，主要内容包括：本申请涉及一种具备感光功能的会议机,涉及会议设备技术领域；其包括会议机本体,会议机本体包括液晶显示屏和检测模块；会议机本体还包括控制模块,控制模块包括：接收模块,用于每隔预设的接收时长,接收光强度检测数据；比对模块,用于将光强度检测数据与预设范围进行比对,并生成比对结果；判断模块,用于在当前接收时间对应的比对结果以及前一接收时间对应的比对结果一致,且均与预设结果不一致时,根据当前接收时间对应的比对结果,生成亮度调节信息；处理模块,对液晶显示屏的亮度进行调节。本申请具有减少因检测模块单次所检测的光强度数据突变而导致液晶显示屏亮度在短时间内被频繁切换,进而引起液晶显示屏观看者眼部不适的效果。(The application relates to a conference machine with a photosensitive function, relating to the technical field of conference equipment; the conference machine body comprises a liquid crystal display screen and a detection module; the conference machine body further comprises a control module, and the control module comprises: the receiving module is used for receiving the light intensity detection data every other preset receiving time; the comparison module is used for comparing the light intensity detection data with a preset range and generating a comparison result; the judging module is used for generating brightness adjusting information according to the comparison result corresponding to the current receiving time when the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is inconsistent with the preset result; and the processing module is used for adjusting the brightness of the liquid crystal display screen. This application has the reduction and leads to liquid crystal display luminance to be switched frequently in the short time because of the sudden change of the light intensity data that detection module single detected, and then arouses the uncomfortable effect of liquid crystal display viewer's eye.)

1. The utility model provides a meeting machine that possesses sensitization function which characterized in that: the conference machine comprises a conference machine body (1), wherein the conference machine body (1) comprises a liquid crystal display screen (11) and a detection module (12) for detecting the light intensity of the environment where the liquid crystal display screen (11) is located; the conference machine body (1) further comprises a control module (13), the control module (13) is electrically connected to the detection module (12) and the liquid crystal display screen (11), and the control module (13) comprises:

the receiving module (131) is used for receiving the light intensity detection data detected by the detection module (12) every preset receiving time;

the comparison module (132) is used for comparing the light intensity detection data with a preset range according to the receiving time sequence of the receiving module (131) and generating a comparison result;

the judging module (133) is used for generating brightness adjusting information according to the comparison result corresponding to the current receiving time when the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is inconsistent with the preset result;

and the processing module (134) is used for adjusting the brightness of the liquid crystal display screen (11) according to the brightness adjusting information.

2. The conference machine with photosensitive function according to claim 1, characterized in that: the control module (13) further comprises:

the calculation module (135) is used for calculating a numerical value of the light intensity detection data corresponding to the comparison result exceeding a preset range when the comparison result generated by the comparison module (132) is inconsistent with a preset result;

an adjusting module (136) for adjusting the receiving time length to a first time length when the value calculated by the calculating module (135) is greater than a preset value; when the value calculated by the calculation module (135) is smaller than a preset value, adjusting the receiving time length to a second time length, wherein the first time length is smaller than the second time length;

the alarm module (137) is used for generating alarm information when the numerical values corresponding to the current receiving time and the previous receiving time are both larger than a preset range;

the control module (13) is electrically connected with an alarm (14), and the control module (13) further comprises a starting module (138) for starting the alarm (14) when the alarm module (137) generates alarm information.

3. The conference machine with photosensitive function according to claim 1, characterized in that: still include protecting sheathing (2), protecting sheathing (2) are inside to be seted up and to supply meeting machine body (1) to insert the chamber (21) of accomodating of establishing, through-hole (22) have been seted up to the protecting sheathing roof, through-hole (22) are linked together with accomodating chamber (21), it is provided with lifting unit (3) in chamber (21) to accomodate for drive meeting machine body (1) insert completely and locate accomodating chamber (21) in, or drive meeting machine body (1) and run through-hole (22) and be located and accomodate the chamber (21) outside.

4. The conference machine with photosensitive function according to claim 3, characterized in that: the lifting assembly (3) comprises two driving parts (31) symmetrically arranged along the height direction of the accommodating chamber (21) and connecting rod assemblies (32) symmetrically arranged between the two driving parts (31); each driving piece (31) comprises a supporting plate (311), a movable plate (312), two gears (313) and two racks (314);

the conference machine body (1) is fixedly connected to the upper surface of a supporting plate (311) positioned above; the gear (313) is rotatably connected to the side wall at the end part of the supporting plate (311) through a rotating shaft, the gear (313) and the racks (314) are in one-to-one correspondence and are meshed with each other, the two racks (314) are fixedly connected to the movable plate (312) together, and the movable plate (312) is connected to one side of the supporting plate (311) in a sliding manner along the length direction of the supporting plate (311);

two gears (313) located at the same end of the two support plates (311) correspond to one connecting rod assembly (32), the connecting rod assembly (32) comprises connecting rods (321) which are hinged to each other, and the end portions, far away from each other, of the two connecting rods (321) are fixedly connected to the end portion of a rotating shaft in the middle of the gear (313).

5. The conference machine with photosensitive function according to claim 4, characterized in that: each backup pad (311) all includes butt joint board (3112) and sets up in limiting plate (3111) of butt joint board (3112) lateral wall perpendicularly, is located accomodate fly leaf (312) lower surface laminating in limiting plate (3111) upper surface of cavity (21) lower part, is located accomodate fly leaf (312) upper surface laminating in limiting plate (3111) lower surface on cavity (21) upper portion.

6. The conference machine with a photosensitive function according to claim 5, wherein: lifting unit (3) still includes locking piece (34), locking piece (34) are located including drive block (341) and locking piece (342) movable plate (312) lateral wall fixed connection in drive block (341) of accomodating cavity (21) below department, locking piece (342) slide and connect in drive block (341) lateral wall, protective housing (2) lateral wall is seted up and is supplied drive block (341) and locking piece (342) to insert smooth sliding hole (24), protective housing (2) lateral wall still is provided with and supplies locking piece (342) to insert first locking hole (25) of establishing to and supply locking piece (342) to insert second locking hole (26) of establishing.

7. The conference machine with a photosensitive function according to claim 6, wherein: and the inner walls of the first locking hole (25) and the second locking hole (26) are embedded with an adsorption iron sheet (251), and the adsorption iron sheet (251) and the locking block (342) are magnetically attracted and fixed.

8. The conference machine with a photosensitive function according to claim 6, wherein: the locking piece (34) further comprises blocking pieces (343) arranged at two ends of the driving block (341), the blocking pieces (343) are used for closing the sliding hole (24), and the side walls of the blocking pieces (343) are attached to the side walls of the accommodating chamber (21) close to the sliding hole (24).

9. The conference machine with a photosensitive function according to claim 6, wherein: each two side walls of the gear (313) are provided with cooling ring plates (315), cooling ring cavities (3151) are arranged inside the cooling ring plates (315), cooling liquid is filled in the cooling ring cavities (3151), and the side walls of the cooling ring plates (315) are attached to the side walls of the racks (314).

10. The conference machine with a photosensitive function according to claim 6, wherein: lifting unit (3) still include slide (33), are located backup pad (311) upper surface on accomodating cavity (21) upper portion has seted up spout (3113), spout (3113) set up along backup pad (311) length direction, slide (33) slide and connect in spout (3113), slide (33) wherein one end run through spout (3113) and insert and locate accomodating cavity (21) inner wall.

Technical Field

The application relates to the technical field of conference equipment, in particular to a conference machine with a photosensitive function.

Background

The conference machine is a device frequently used in a conference at present, can conveniently perform the demonstration work of conference contents, and has the functions of video, display and the like; the main components of the conference machine are a display component and a supporting component for supporting the display component, the liquid crystal module is the display component of the conference machine and consists of an LED light source component, an optical diaphragm and a liquid crystal display screen, each LED light source forms a surface light source corresponding to a pixel plane of the liquid crystal display screen after passing through the optical diaphragm, and the surface light source is incident on the surface of the liquid crystal display screen to form an image so as to realize the display function; the display brightness of the liquid crystal display screen of the conference machine is generally default brightness, when the light intensity of the environment where the conference machine is located changes, the display brightness of the liquid crystal display screen cannot be adjusted according to the light intensity of the environment where the conference machine is located, and then the definition of an image displayed by the liquid crystal display screen is easily influenced.

Chinese patent that relevant grant bulletin number is CN203311129U, an automatic liquid crystal display of regulation luminance is disclosed, including backlight unit, light sensor and controller, the controller respectively with backlight unit and light sensor signal connection, light module is used for detecting the light intensity of meeting machine liquid crystal display place environment, and convey the light intensity detected value to the controller, the controller compares light intensity detected value and predetermined light intensity scope, the duty cycle of rethread PWM output adjusts backlight unit's LED fluorescent tube voltage, and then reach the effect of control liquid crystal display luminance through the luminous intensity of adjusting backlight unit, if the light detected value is greater than the light intensity scope, then reduce liquid crystal display's luminance, otherwise then improve liquid crystal display's luminance.

In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: according to the brightness adjusting mode of the liquid crystal display screen, the controller can adjust the brightness of the display screen when the light intensity detection value exceeds the preset light intensity range each time; if in a short time (e.g., within ten seconds), the light intensity detection value exceeds the preset light intensity range and then falls into the preset light intensity range again, so that in a short time, the brightness of the liquid crystal display screen changes suddenly under the adjustment of the controller, and the operation is easy to cause discomfort to eyes of a user watching the liquid crystal display screen.

Disclosure of Invention

In order to improve the controller that exists among the correlation technique and carry out frequent regulation to liquid crystal display's luminance in the short time, and then make liquid crystal display viewer's eyes produce uncomfortable technical problem, this application provides a meeting machine who possesses sensitization function.

In a first aspect, the present application provides a conference machine with a light sensing function, which adopts the following technical scheme:

a conference machine with a photosensitive function comprises a conference machine body, wherein the conference machine body comprises a liquid crystal display screen and a detection module for detecting the light intensity of the environment where the liquid crystal display screen is located; the meeting machine body still includes control module, control module electricity is connected in detection module and liquid crystal display, control module includes:

the receiving module is used for receiving the light intensity detection data detected by the detection module every other preset receiving time;

the comparison module is used for comparing the light intensity detection data with a preset range according to the receiving time sequence of the receiving module and generating a comparison result;

the judging module is used for generating brightness adjusting information according to the comparison result corresponding to the current receiving time when the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is inconsistent with the preset result;

and the processing module is used for adjusting the brightness of the liquid crystal display screen according to the brightness adjusting information.

By adopting the technical scheme, the light intensity of the liquid crystal display screen in the environment is detected through the detection module, the receiving module receives light intensity detection data, and the comparison module compares the light intensity detection data with the preset range in sequence according to the receiving time and generates a comparison result; the judging module compares the comparison result with a preset result according to the sequence of the receiving time, if the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is inconsistent with the preset result, the above conditions indicate that the light intensity detection data corresponding to the current receiving time and the previous receiving time exceed the light intensity range, at the moment, the judging module generates brightness adjusting information according to the comparison result corresponding to the current receiving time, and then the processing module reduces the brightness of the liquid crystal display screen, so that the situation that the brightness of the liquid crystal display screen is frequently switched in a short time due to sudden change of the light intensity data detected by the detecting module at a single time, and further the eye discomfort of a liquid crystal display screen viewer is reduced.

Optionally, the control module further includes:

the calculation module is used for calculating the numerical value of the light intensity detection data corresponding to the comparison result exceeding the preset range when the comparison result generated by the comparison module is inconsistent with the preset result;

the adjusting module is used for adjusting the receiving time length to a first time length when the value calculated by the calculating module is greater than a preset value; when the value calculated by the calculation module is smaller than a preset value, the receiving time length is adjusted to be a second time length, wherein the first time length is smaller than the second time length

The alarm module is used for generating alarm information when the numerical values corresponding to the current receiving time and the previous receiving time are both larger than a preset range;

the control module is electrically connected with an alarm, and the control module further comprises a starting module for starting the alarm when the alarm module generates alarm information.

Through adopting above-mentioned technical scheme, if the numerical value that the luminous intensity detected data surpassed the predetermined range is greater than predetermined numerical value, then probably because detection module trouble leads to, at this moment, it is first long to receive the time adjustment, the time of receiving has been shortened promptly, the frequency of receiving detected data has been improved, so that the increase is to the number of receptions of luminous intensity detected data, the number of times of comparison to the luminous intensity data is increased, so that the luminous intensity detected data surpasses the predetermined range appearing in succession, and when the numerical value that surpasses the predetermined range is greater than predetermined numerical value, start the alarm and report to the police, in time investigate whether detection module breaks down.

Optionally, the conference machine further comprises a protective shell, a containing cavity for the conference machine body to be inserted is formed in the protective shell, a through hole is formed in the top wall of the protective shell, the through hole is communicated with the containing cavity, a lifting assembly is arranged in the containing cavity and used for driving the conference machine body to be completely inserted into the containing cavity or driving the conference machine body to penetrate through the through hole and be located outside the containing cavity.

Through adopting above-mentioned technical scheme, accomodate liquid crystal display in accomodating the cavity through protective housing to play the effect of protection meeting machine body, it is specific, protective housing can reduce the meeting machine body and collided and the damaged condition in transportation handling, in addition, when need not to use the meeting machine body, insert the meeting machine body completely and locate protective housing in, thereby can keep the clean of meeting machine body, reduce the condition that the meeting machine body covers dirt appears.

Optionally, the lifting assembly comprises two driving pieces symmetrically arranged along the height direction of the accommodating chamber, and connecting rod assemblies symmetrically arranged between the two driving pieces; each driving piece comprises a supporting plate, a movable plate, two gears and two racks; the conference machine body is fixedly connected to the upper surface of the supporting plate positioned above the conference machine body; the gear is rotationally connected to the side wall at the end part of the supporting plate through a rotating shaft, the gear and the racks are in one-to-one correspondence and are meshed with each other, the two racks are fixedly connected to the movable plate together, and the movable plate is connected to one side of the supporting plate in a sliding manner along the length direction of the supporting plate;

two gears at the same end of the supporting plate correspond to a connecting rod assembly, the connecting rod assembly comprises connecting rods hinged to each other, and the two ends, far away from each other, of the connecting rods are fixedly connected to the end portion of a rotating shaft in the middle of the gear.

Through adopting above-mentioned technical scheme, be close to arbitrary gear of accomodating cavity bottom department through rotating, or the drive is located the fly leaf of accomodating cavity bottom department and slides along backup pad length direction, alright make two gear rotations on being located the driving piece of accomodating cavity bottom department, and then make the connecting rod that links to each other with above-mentioned two gears drive another driving piece and move towards the direction that is close to the through-hole, thereby realize keeping away from each other and being close to of two backup pads, because two backup pads set up along accomodating the cavity direction of height, consequently, the lift to the meeting machine body has also been realized.

Optionally, each the backup pad all includes the butt joint board and sets up perpendicularly in the limiting plate of butt joint board lateral wall, is located accomodate the fly leaf lower surface of cavity lower part and laminate in the limiting plate upper surface, is located accomodate the fly leaf upper surface on cavity upper portion and laminate in the limiting plate lower surface.

Through adopting above-mentioned technical scheme, the moving direction of fly leaf can be injectd in the setting of limiting plate to make the fly leaf only can slide along backup pad length direction, guarantee the rack and mesh mutually with the gear all the time, improve lifting unit overall structure's stability.

Optionally, the lifting assembly further comprises a locking piece, the locking piece comprises a driving block and a locking block, the locking piece is located the movable plate side wall of the lower portion of the containing cavity is fixedly connected to the driving block, the locking block is connected to the side wall of the driving block in a sliding mode, sliding holes for the driving block and the locking block to insert are formed in the side wall of the protective shell, a first locking hole for the locking block to insert is formed in the side wall of the protective shell, and a second locking hole for the locking block to insert is formed in the side wall of the protective shell.

By adopting the technical scheme, when the driving block and the locking block slide to the first locking hole, the locking block is inserted into the first locking hole, so that the sliding positions of the driving block and the locking block are fixed, namely the sliding position of the movable plate is fixed, and at the moment, the conference machine body is completely inserted into the containing chamber; when the driving block and the locking block slide to the second locking hole, the locking block is inserted into the second locking hole, and the liquid crystal display screen is completely positioned outside the accommodating chamber.

Optionally, the first locking hole inner wall and the second locking hole inner wall are both embedded with an adsorption iron sheet, and the adsorption iron sheet and the locking block are magnetically attracted and fixed.

Through adopting above-mentioned technical scheme, the setting that adsorbs the iron sheet can be firm with the locking piece insert locate first locking hole or second locking downthehole to the firm locking of locking piece to lifting unit elevating position.

Optionally, the locking piece is still including setting up in the separation blade at driving block both ends, the separation blade is used for the closed hole that slides, the separation blade lateral wall is laminated in the lateral wall of accomodating the cavity and being close to the hole department that slides.

Through adopting above-mentioned technical scheme, the setting of separation blade can be sealed the hole that slides except that drive block and locking piece insert the other positions of establishing the position, and it accomodates the cavity inside to reduce to appear that outside dust from the entering of slide hole department, piles up the contact site at gear and rack even, and then reduces the smooth degree of the linkage of gear and rack.

Optionally, each gear both sides wall all is provided with the cooling ring board, the inside cooling ring chamber that is provided with of cooling ring board, the cooling ring intracavity is full of the coolant liquid, the cooling ring board lateral wall is laminated in the rack lateral wall.

Through adopting above-mentioned technical scheme, the setting of cooling ring board can cool off the heat dissipation to the position of rack and gear mutual contact, prolongs the life of gear and rack.

Optionally, the lifting assembly further includes a sliding plate, a sliding groove is formed in the upper surface of the supporting plate located on the upper portion of the containing cavity, the sliding groove is formed in the length direction of the supporting plate, the sliding plate is connected in the sliding groove in a sliding mode, and one end of the sliding plate penetrates through the sliding groove and is inserted into the inner wall of the containing cavity.

Through adopting above-mentioned technical scheme, after the meeting machine body moves to accomodating the cavity outside completely, the drive slide slides towards the direction that is close to accomodating the cavity to make the slide tip insert and accomodate the cavity inner wall, thereby realize the support to the supporting plate through the fixed plate, reduce because of the gravity of meeting machine body makes the mutual extrusion of gear and rack contact surface department and arouse the wearing and tearing of gear and rack.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the detection module is used for detecting the light intensity of the liquid crystal display screen in the environment, the receiving module is used for receiving light intensity detection data, and the comparison module is used for comparing the light intensity detection data with a preset range in sequence according to receiving time and generating a comparison result; the judging module compares the comparison result with a preset result according to the sequence of the receiving time, if the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is not consistent with the preset result, the situation shows that the light intensity detection data corresponding to the current receiving time and the previous receiving time exceed the light intensity range, at the moment, the judging module generates brightness adjusting information according to the comparison result corresponding to the current receiving time, and then the brightness of the liquid crystal display screen is reduced through the processing module, so that the situation that the brightness of the liquid crystal display screen is frequently switched in a short time due to sudden change of the light intensity data detected by the detecting module once, and further the eye discomfort of a viewer of the liquid crystal display screen is reduced;

2. if the value of the light intensity detection data exceeding the preset range is larger than the preset value, the fault possibly caused by the detection module is detected, at the moment, the receiving time length is adjusted to be the first time length, namely, the receiving time length is shortened, the frequency of receiving the detection data is improved, so that the receiving quantity of the light intensity detection data is increased, the comparison times of the light intensity data are increased, so that when the light intensity detection data continuously appear to exceed the preset range, and the value exceeding the preset range is larger than the preset value, an alarm is started to alarm, and whether the detection module is in fault or not is checked in time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a conference machine with a photosensitive function in an embodiment.

Fig. 2 is an exploded schematic view for showing the positional relationship between the receiving chamber and the lifting assembly in the embodiment.

Fig. 3 is a sectional view of the embodiment for embodying the lifting assembly in a deployed state.

Fig. 4 is an enlarged schematic view of the structure of part a in fig. 3.

Fig. 5 is a partial schematic view of an embodiment for illustrating the positional relationship between the locking member and the protective housing.

Fig. 6 is a schematic structural diagram for showing the lifting assembly in a folded state in the embodiment.

Fig. 7 is a block diagram of a conference machine with a light sensing function in an embodiment.

Description of reference numerals: 1. a conference machine body; 11. a liquid crystal display screen; 12. a detection module; 13. a control module; 131. a receiving module; 132. a comparison module; 133. a judgment module; 134. a processing module; 135. a calculation module; 136. an adjustment module; 137. an alarm module; 138. a starting module; 14. an alarm; 2. a protective housing; 21. a receiving chamber; 22. a through hole; 24. a sliding hole; 25. a first locking hole; 251. adsorbing iron sheets; 26. a second locking hole; 3. a lifting assembly; 31. a drive member; 311. a support plate; 3111. a limiting plate; 3112. a butt plate; 3113. a chute; 312. a movable plate; 313. a gear; 314. a rack; 315. cooling the ring plate; 3151. cooling the ring cavity; 32. a connecting rod assembly; 321. a connecting rod; 33. a slide plate; 34. a locking member; 341. a drive block; 342. a locking block; 343. a baffle plate; 344. t-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail with reference to fig. 1 to 7.

The embodiment of the application discloses a meeting machine with a photosensitive function. Referring to fig. 1 and 2, the conference machine includes a conference machine body 1 and a protective casing 2, a containing cavity 21 is formed inside the protective casing 2, a through hole 22 is formed in the upper surface of the protective casing 2, and the conference machine body 1 can penetrate through the through hole 22 and be completely inserted into the containing cavity 21; the inside lifting unit 3 that still is provided with of protective housing 2, lifting unit 3 are used for driving meeting machine body 1 to go up and down to when needing to use meeting machine body 1, lifting meeting machine body 1 to make meeting machine body 1 break away from and accomodate cavity 21 and be located protective housing 2 outside completely, or when need not to use meeting machine body 1, drive meeting machine body 1 inserts completely and locates accomodate in the cavity 21.

Referring to fig. 2 and 3, the lifting assembly 3 includes two sets of driving members 31, and link assemblies 32 symmetrically disposed between the two driving members 31; the two driving members 31 are symmetrically disposed along the height direction of the accommodating chamber 21, and each driving member 31 includes a supporting plate 311, a movable plate 312, two gears 313 and two racks 314; the supporting plate 311 includes a limiting plate 3111 and a docking plate 3112 vertically integrated with the sidewall of the limiting plate 3111, the gear 313 is rotatably connected to the sidewall of the docking plate 3112 through a rotating shaft, and the two gears 313 are disposed at two ends of the docking plate 3112; the movable plate 312 is connected in a sliding manner along the length direction of the supporting plate 311, the side wall of one side of the movable plate 312 is attached to the side wall of the limiting plate 3111, the side wall of the movable plate 312 away from the limiting plate 3111 is fixedly welded to the rack 314, the rack 314 is arranged at the end of the movable plate 312, the rack 314 and the gear 313 are arranged in a one-to-one correspondence manner, and the rack 314 and the gear 313 are meshed with each other; the upper surface of the limiting plate 3111 located at the top of the storage chamber 21 is connected to the conference machine body 1 by bolts, and the lower surface of the limiting plate 3111 located at the bottom of the storage chamber 21 is fixedly welded to the bottom wall of the storage chamber 21.

Referring to fig. 3 and 4, cooling ring plates 315 are disposed on two sides of each gear 313, the cooling ring plates 315 are fixedly sleeved outside the rotating shaft, and the side walls of the cooling ring plates 315 are attached to the side walls of the gears 313 and the racks 314; a cooling ring cavity 3151 is formed in the cooling ring plate 315, and cooling liquid is filled in the cooling ring cavity 3151.

Referring to fig. 2 and 3, a connecting rod assembly 32 corresponds to two gears 313 located at the same end of the two support plates 311, each connecting rod assembly 32 includes two connecting rods 321 hinged to each other, and the end portions of the two connecting rods 321 facing each other are fixedly welded to the end portions of the rotating shafts adjacent to the end portions; by rotating any one of the gears 313 located at the bottom of the containing chamber 21 or driving the movable plate 312 located at the bottom of the containing chamber 21 to slide, the two gears 313 located at the bottom of the containing chamber 21 are rotated, and the two sets of connecting rod assemblies 32 lift the supporting plate 311 located at the top of the containing chamber 21, so that the distance between the two supporting plates 311 is adjusted, and the conference machine body 1 is lifted.

Referring to fig. 1 and 2, the lifting assembly 3 further includes a sliding plate 33, the sliding plate 33 is L-shaped, a sliding groove 3113 is formed in the upper surface of the limiting plate 3111 at the top of the accommodating chamber 21, the sliding groove 3113 is arranged along the length direction of the limiting plate 3111, the sliding plate 33 is inserted into the sliding groove 3113, one end of the sliding plate 33 penetrates through the end of the sliding groove 3113 and is inserted into the inner wall of the accommodating chamber 21, so as to further fix the position of the supporting plate 311.

Referring to fig. 2 and 4, the lifting assembly 3 further includes a locking member 34, the locking member 34 is located at one side of the movable plate 312 at the bottom of the accommodating chamber 21 for fixing the lifting position of the lifting assembly 3 to the conference machine body 1; the locking member 34 includes a driving block 341, a locking block 342, and a blocking piece 343; the side wall of the movable plate 312 at the bottom of the accommodating chamber 21 is vertically welded to the end of the driving block 341, the other end of the driving block 341 is provided with a T-shaped groove 344, the T-shaped groove 344 is arranged along the height direction of the driving block 341, a T-shaped block is integrally formed on the side wall of the locking block 342, and the T-shaped block is inserted into the T-shaped groove 344; the blocking piece 343 is integrally formed on the sidewall of the driving block 341.

Referring to fig. 2, 5 and 6, a sliding hole 24 is formed in the side wall of the protective housing 2, one end of the locking block 342 and one end of the driving block 341 close to the locking block 342 are inserted into the sliding hole 24 together, and the blocking piece 343 is attached to the inner wall of the protective housing 2 close to the sliding hole 24 to close the sliding hole 24; a first locking hole 25 and a second locking hole 26 are further formed in the side wall of the protective shell 2, the first locking hole 25 is communicated with the second locking hole 26, an absorption iron sheet 251 is embedded in the inner wall of the first locking hole 25 and the inner wall of the second locking hole 26, the locking block 342 is made of a magnet sheet, and the locking block 342 and the absorption iron sheet 251 are magnetically attracted and fixed; when the locking block 342 is inserted into the first locking hole 25, the lifting assembly 3 is in a folded state, that is, the conference machine body 1 is completely inserted into the accommodating chamber 21, and when the locking block 342 is inserted into the second locking hole 26, the lifting assembly 3 is in an unfolded state, that is, the conference machine body 1 is located outside the accommodating chamber 21.

Referring to fig. 6 and 7, the conference machine body 1 further includes a detection module 12, the detection module 12 is embedded in the outer surface of the liquid crystal display 11, and the detection module 12 may be a light intensity sensor for detecting the illumination intensity of the environment where the liquid crystal display 11 is located; the conference all-in-one machine further comprises a control module 13, the control module 13 can be a PLC (programmable logic controller), and the control module 13 is electrically connected to the detection module 12 and the liquid crystal display screen 11 to be used for receiving light intensity detection data detected by the detection module 12 and adjusting the display brightness of the liquid crystal display screen 11 based on the light intensity detection data.

Referring to fig. 7, the control module 13 includes a receiving module 131 for receiving the light intensity detection data detected by the detecting module 12 every preset receiving duration, that is, receiving the light intensity detection data only every preset receiving duration, and the light intensity detection data transmitted by the detecting module 12 to the control module 13 at the rest of the time is discarded by the control module 13.

Referring to fig. 7, the control module 13 further includes a comparing module 132, configured to compare the light intensity detection data with a preset range according to a receiving time sequence of the light intensity detection data received by the receiving module 131, and generate a comparison result; the receiving module 131 may further store the received light intensity detection data, the receiving time, and the comparison result in a memory of the control module 13; the preset range is a range which is preset and stored in the control module 13 and allows the light intensity detection data to fluctuate, when the light intensity detection data exceeds the preset range, the control module 13 adjusts the brightness of the liquid crystal display screen 11, and specifically, if the light intensity detection data is larger than the preset range, the control module 13 reduces the brightness of the liquid crystal display screen 11; if the light intensity detection data is smaller than the preset range, the control module 13 will increase the brightness of the liquid crystal display screen 11.

Referring to fig. 7, the control module 13 further includes a determining module 133, configured to generate brightness adjusting information according to the comparison result corresponding to the current receiving time when the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is not consistent with the preset result; the preset result is a comparison result which is preset and stored in the control module 13, and if the preset result is "not out of the preset range", specifically, when the light intensity detection data is within the preset range, the comparison result generated by the comparison module 132 may be "not out of the preset range", and when the light intensity detection data is greater than the preset range, the comparison result generated by the comparison module 132 may be "greater than the preset range"; when the light intensity detection data is smaller than the preset range, the comparison result generated by the comparison result may be "smaller than the preset range".

If the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is not consistent with the preset result, it is stated that: the light intensity detection data corresponding to two adjacent receiving times are both greater than or less than the preset range, and at this time, the determining module 133 generates brightness adjustment information according to the comparison result. Specifically, if the light intensity detection data corresponding to two adjacent receiving times are both greater than the preset range, the brightness adjustment information generated by the determining module 133 may include a content of "turn down the brightness", and if the light intensity detection data corresponding to two adjacent receiving times are both less than the preset range, the brightness adjustment information generated by the determining module 133 may include a content of "turn up the brightness".

Referring to fig. 7, the control module 13 further includes a processing module 134, configured to adjust the brightness of the liquid crystal display screen 11 according to the brightness adjustment information, specifically, the processing module 134 may control the voltage of the LED lamp in the backlight module of the liquid crystal display screen 11 through the duty ratio of the output PWM wave, so as to adjust the brightness of the backlight module, and further adjust the brightness of the liquid crystal display screen 11.

Referring to fig. 7, the control module 13 further includes a calculating module 135, configured to calculate a value of the light intensity detection data corresponding to the comparison result exceeding a preset range when the comparison result generated by the comparison module 132 is inconsistent with the preset result; that is, when the light intensity detection data exceeds the preset range, the difference between the light intensity detection data and the preset range is calculated. If the light intensity detection data is larger than the preset range, calculating the difference value between the light intensity detection data and the maximum value of the preset range, and if the light intensity detection data is smaller than the preset range, calculating the difference value between the light intensity detection data and the minimum value of the preset range.

Referring to fig. 7, the control module 13 further includes an adjusting module 136, configured to compare the value calculated by the calculating module 135 with a preset value, and adjust the receiving duration of the receiving module 131 to a first duration when the value is greater than the preset value, and adjust the receiving duration of the receiving module 131 to a second duration when the value is less than the preset value, where the first duration is less than the second duration, the first duration is, for example, 10 seconds, and the second duration is, for example, 20 seconds; the preset value is a value which is set artificially and is prestored in the control module 13, and when the calculated value is greater than the preset value, it indicates that the light intensity detection data is too high or too low, and there is a data malfunction, and the data malfunction may be due to the detection module 12 failing, at this time, the receiving duration is adjusted to the first duration by the adjusting module 136, so as to shorten the receiving duration, i.e., improve the receiving frequency of the light intensity detection data.

Referring to fig. 7, the control module 13 further includes an alarm module 137, configured to generate alarm information when both the current receiving time and the value corresponding to the previous receiving time are greater than a preset range; the values corresponding to the current receiving time and the previous receiving time are both greater than the preset range, which indicates that the light intensity detection data corresponding to the current receiving time and the previous receiving time are both greater than the preset range, and the value exceeding the preset range is greater than the preset value, at this time, the alarm module 137 will generate alarm information; the control module 13 is electrically connected to the alarm 14, the alarm 14 may be an audible and visual alarm, and the control module 13 further includes a starting module 138 for starting the alarm 14 when the alarm information is generated, so that the alarm 14 gives an alarm, so that a user can timely troubleshoot whether the detection module 12 fails after hearing the alarm sound.

The implementation principle of the conference machine with the photosensitive function in the embodiment of the application is as follows: the protective casing 2 can be installed on the wall surface, when the device is needed, the driving block 341 and the locking block 342 are driven to slide along the length direction of the sliding hole 24, so that the supporting plate 311 positioned at the upper part of the accommodating chamber 21 moves upwards, and then the conference machine body 1 penetrates through the through hole 22 and moves to the outside of the protective casing 2, so that the conference machine body 1 is lifted; after the main body 1 of the conference machine is completely located outside the protective casing, the locking block 342 is inserted into the second locking hole 26, and the end of the sliding plate 33 is inserted into the inner wall of the accommodating chamber 21, so that the lifting position of the main body 1 of the conference machine is fixed.

When the conference machine body 1 is used, the light intensity in the environment where the liquid crystal display screen 11 is located is detected through the detection module 12, and the light intensity detection data detected by the detection module 12 is received through the receiving module 131; comparing the light intensity detection data corresponding to each receiving time with a preset range through a comparison module 132, and generating a comparison result; whether brightness adjusting information is generated or not is judged according to a comparison result of the current receiving time and the previous receiving time through the judging module 133, when the comparison result corresponding to the current receiving time is consistent with the comparison result corresponding to the previous receiving time and is inconsistent with a preset result, the brightness adjusting information is generated according to the comparison result corresponding to the current receiving time, and finally when the brightness adjusting information is generated, the brightness of the liquid crystal display screen 11 is adjusted through the processing module 134, so that the situation that the brightness of the liquid crystal display screen 11 is frequently adjusted in a short time due to sudden change of a light intensity detection value, and further eyes of a viewer of the liquid crystal display screen 11 are uncomfortable is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.