CN113593427A - Touch-controllable LED display screen - Google Patents

Touch-controllable LED display screen Download PDF

Info

Publication number
CN113593427A
CN113593427A CN202110809649.8A CN202110809649A CN113593427A CN 113593427 A CN113593427 A CN 113593427A CN 202110809649 A CN202110809649 A CN 202110809649A CN 113593427 A CN113593427 A CN 113593427A
Authority
CN
China
Prior art keywords
infrared
module
screen
display screen
outer shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110809649.8A
Other languages
Chinese (zh)
Inventor
张丹
霍景金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Caihongyuan Technology Co ltd
Original Assignee
Shenzhen Caihongyuan Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Caihongyuan Technology Co ltd filed Critical Shenzhen Caihongyuan Technology Co ltd
Priority to CN202110809649.8A priority Critical patent/CN113593427A/en
Publication of CN113593427A publication Critical patent/CN113593427A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/04Heating arrangements using electric heating
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • G06F1/3265Power saving in display device
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/32User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972Forced ventilation, e.g. on heat dissipaters coupled to components

Abstract

The invention discloses a touch-controllable LED display screen, which comprises an outer shell and a display device fixedly arranged in the outer shell, wherein a behavior recognition control system is arranged in the display device, the behavior recognition control system comprises a behavior recognition module, a pair of infrared receiving and transmitting devices is arranged on the outer shell, a collection camera is arranged, the light butt joint of the infrared transmitting devices and the infrared receiving devices can be interrupted by placing fingers in grooves on the rear side surface of the outer shell, the collection camera is opened by sending control instructions through the infrared receiving devices, a head portrait of a user or a behavior gesture of the user is collected through the collection camera and is compared with data information stored in an information storage module in the system, so that the LED screen is awakened, the LED screen can be isolated or the touch screen of the LED screen can be directly controlled, and the privacy safety of the user is protected, meanwhile, the electric energy is saved, and the standby time of the display screen is prolonged.

Description

Touch-controllable LED display screen
Technical Field
The invention belongs to the technical field of display screens, and particularly relates to a touch-controllable LED display screen.
Background
The touch screen display can enable a user to operate the host machine by lightly touching icons or characters on the computer display screen with fingers, so that the operation of a keyboard and a mouse is avoided, and the man-machine interaction is more straightforward. The method is mainly applied to information inquiry, leadership office work, electronic games, song and dish ordering, multimedia teaching, air ticket/train ticket pre-sale and the like of halls in public places. The products are mainly classified into capacitive touch screens, resistive touch screens and surface acoustic wave touch screens. .
The existing LED touch display screen technology has the following problems: when the surface of the LED touch display screen is stained with water, the screen is easy to fail or display pictures bounce, so that the use is influenced.
Disclosure of Invention
The invention aims to provide a touch-controllable LED display screen to solve the problem that the screen is wet and not easy to dry in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a touch-controllable LED display screen, comprising an outer housing, and a display device fixedly mounted in the outer housing, the display device having a behavior recognition manipulation system mounted therein, the behavior recognition manipulation system comprising:
the behavior recognition module is used for detecting the special behavior actions of the user, converting the actions into special code information and uploading the special code information to the behavior recognition control system;
the information storage module is used for storing the special code information recorded by the behavior recognition module;
the infrared transmitting module is used for transmitting infrared rays;
the infrared receiving module is used for receiving the infrared light rays emitted by the infrared emitting module and feeding back the infrared light rays to the behavior recognition control system in time when the light rays are interrupted;
the heating module is used for generating heat and evaporating water drops on the surface of the display device;
the ventilation module is used for generating air flow, assisting the heating module in quickly evaporating water drops and simultaneously playing a role in heat dissipation;
and the processor is a main working component and is used for sending a control instruction to the heating module and the ventilation module after receiving the feedback of the infrared receiving module.
Preferably, the display device comprises an LED screen and an integrated circuit board, and the LED screen is electrically connected with the integrated circuit board through a wire.
Preferably, the behavior recognition module comprises a collection camera, and the collection camera is fixedly arranged on the front side face of the integrated circuit board.
Preferably, the infrared transmitting module comprises an infrared transmitter, the infrared receiving module comprises an infrared receiver, a groove is formed in the rear side face of the outer shell, and the infrared transmitter and the infrared receiver are symmetrically fixed on the inner walls of the two sides of the groove.
Preferably, the ventilation module includes a heat dissipation fan fixed to a front side surface of the integrated circuit board.
Preferably, the heating module comprises electric heating sheets, and the electric heating sheets are distributed on the integrated circuit board around the cooling fan.
Preferably, the rear side surface of the outer shell is further provided with an air inlet, and the inner walls of the outer shell at the left side and the right side of the LED screen are symmetrically provided with air outlets.
Preferably, flow guide openings are symmetrically formed in the outer shell below the left side and the right side of the LED screen.
Compared with the prior LED touch display screen technology, the invention provides a touch-controllable LED display screen, which has the following beneficial effects:
1. according to the invention, the pair of infrared receiving and transmitting devices is arranged on the outer shell, the acquisition camera is arranged, the light butt joint of the infrared transmitting device and the infrared receiving device can be interrupted by placing fingers in the groove on the rear side surface of the outer shell, the acquisition camera is opened by sending a control instruction through the infrared receiving device, the head portrait of a user or the behavior gesture of the user is acquired through the acquisition camera and is compared with the data information stored by the information storage module in the system, so that the LED screen is awakened, the LED screen can be isolated or the touch screen operation and control can be directly carried out on the LED screen, the privacy safety of the user is protected, the electric energy is saved, and the standby time of the display screen is prolonged;
2. according to the invention, the integrated circuit board is provided with the cooling fan and the electric heating sheet, the head portrait of a user or the behavior gesture of the user is collected through the collection camera, and is compared with the data information stored in the information storage module in the system, so that the processor sends out a control signal, the electric heating sheet starts to heat the LED screen after receiving the signal, water drops on the surface of the LED screen are evaporated, meanwhile, the cooling fan starts to rotate after receiving the signal, so that the air flow in the display screen is driven to flow, the evaporation of the water drops on the surface of the LED screen is accelerated, the LED screen is awakened after the water drops are evaporated, the dehumidification treatment can be rapidly carried out on the display screen, and the condition that the screen fails or the display picture jumps is avoided;
3. according to the invention, the two air outlets are symmetrically formed in the inner walls of the outer shells at the left side and the right side of the LED screen, and the two flow guide ports are symmetrically formed in the outer shells below the left side and the right side of the LED screen, so that water drops on the surface of the LED screen can be blown to the flow guide ports at the two sides by matching with the air outlets, water flow can be conveniently discharged, clean water can be actively sprayed when the surface of the LED screen is dirty, and the water is quickly dried after dehumidification treatment, so that the waiting time is reduced, and the user experience is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic structural diagram of a front side of a touch-controllable LED display screen according to the present invention;
FIG. 2 is a schematic diagram of a back structure of a touch-controllable LED display screen according to the present invention;
FIG. 3 is a schematic structural diagram of a display device according to the present invention;
FIG. 4 is a block diagram of a behavior recognition control system according to the present invention;
FIG. 5 is a flow chart of a behavior recognition control system according to the present invention;
in the figure: 1. a display device; 2. collecting a camera; 3. an outer housing; 4. an air outlet; 5. a flow guide port; 6. an infrared emitter; 7. an infrared receiver; 8. a groove; 11. an LED screen; 12. an integrated circuit board; 13. a heat radiation fan; 14. an electrical heating plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution with the following two embodiments:
example one
The utility model provides a but touch control's LED display screen, includes shell body 3 to and display device 1 of fixed mounting in shell body 3, display device 1 includes that LED screens 11 and integrated circuit board 12, and LED screens 11 and passes through wire and integrated circuit board 12 electric connection, is equipped with action identification control system in the display device 1, and action identification control system includes action identification module, information storage module, infrared emission module, infrared receiving module and treater.
The behavior recognition module is used for detecting special behavior actions of a user, converting the actions into special code information and uploading the special code information to the behavior recognition control system, the behavior recognition module comprises a collection camera 2, the collection camera 2 is fixedly arranged on the front side face of the integrated circuit board 12, the collection of head portraits of the user can be realized through the collection camera 2, and the LED screen 11 can be opened and used after the authorization of an administrator is obtained.
And the information storage module is used for storing the special code information recorded by the behavior recognition module.
And the infrared transmitting module is used for transmitting infrared rays and comprises an infrared transmitter 6.
Infrared receiving module for receive the infrared light that infrared transmitting module sent, when light was interrupted, can in time feed back to action discernment control system, infrared receiving module includes infrared receiver 7, sets up flutedly 8 on the trailing flank of shell body 3, and infrared transmitter 6 is fixed on the both sides inner wall of recess 8 with infrared receiver 7 symmetry.
The processor is a main working component and is used for starting the LED screen 11, and touch screen operation or spaced operation can be directly performed through the LED screen 11.
When needing to separate empty to LED screen 11 and controlling, the accessible is placed the finger in recess 8 on the 3 trailing flank of shell body, and then interrupt infrared transmitter 6 and infrared receiver 7's light butt joint, send control command through infrared receiver 7 and open and gather camera 2, gather user's head portrait or gather user's action gesture through gathering camera 2, and compare with the data information that information storage module stored in the system, thereby awaken up LED screen 11, and then can separate empty or directly touch the screen and control LED screen 11 to LED screen 11.
Example two
The utility model provides a but touch control's LED display screen, includes shell body 3 to and display device 1 of fixed mounting in shell body 3, display device 1 includes that LED screens 11 and integrated circuit board 12, and LED screens 11 passes through wire and integrated circuit board 12 electric connection, is equipped with action identification control system in the display device 1, and action identification control system includes action identification module, information storage module, infrared emission module, infrared receiving module, heating module, ventilation module and treater.
The behavior recognition module is used for detecting special behavior actions of a user, converting the actions into special code information and uploading the special code information to the behavior recognition control system, the behavior recognition module comprises a collection camera 2, the collection camera 2 is fixedly arranged on the front side face of the integrated circuit board 12, the collection of the head portrait of the user is realized through the collection camera 2, the LED screen 11 can be opened and used after the authorization of an administrator is obtained, meanwhile, special behavior gestures are recorded and recorded through the collection camera 2, and the information is converted into the code information uploading system.
And the information storage module is used for storing the special code information recorded by the behavior recognition module.
And the infrared transmitting module is used for transmitting infrared rays and comprises an infrared transmitter 6.
Infrared receiving module for receive the infrared light that infrared transmitting module sent, when light was interrupted, can in time feed back to action discernment control system, infrared receiving module includes infrared receiver 7, sets up flutedly 8 on the trailing flank of shell body 3, and infrared transmitter 6 is fixed on the both sides inner wall of recess 8 with infrared receiver 7 symmetry.
And the heating module is used for generating heat and evaporating water drops on the surface of the display device 1, and comprises electric heating sheets 14, and the electric heating sheets 14 are distributed on the integrated circuit board 12 around the cooling fan 13.
The ventilation module is used for generating air flow, the auxiliary heating module is used for rapidly evaporating water drops and achieving a heat dissipation effect, the ventilation module comprises a heat dissipation fan 13, and the heat dissipation fan 13 is fixed on the front side face of the integrated circuit board 12.
And the processor is a main working component and is used for sending a control instruction to the heating module and the ventilation module after receiving the feedback of the infrared receiving module.
When water drops are present on the surface of the LED screen 11, the water drops can be prevented by placing a finger in the groove 8 on the rear side of the outer case 3, further interrupting the light butt joint of the infrared emitter 6 and the infrared receiver 7, sending a control instruction through the infrared receiver 7 to open the acquisition camera 2, the head portrait of the user or the behavior gesture of the user is collected by the collecting camera 2 and is compared with the data information stored by the information storage module in the system, and then the processor sends out a control signal, after the electric heating sheet 14 receives the signal, the heating of the LED screen 11 is started, so that the water drops on the surface of the LED screen 11 are evaporated, meanwhile, after the heat dissipation fan 13 receives a signal, the heat dissipation fan starts to rotate to drive airflow in the display screen to flow, so that water drops on the surface of the LED screen 11 are accelerated to evaporate, after the water drops evaporate, the LED screen 11 is awakened, and then the LED screen 11 can be isolated or the touch screen operation of the LED screen 11 can be directly carried out.
It should be noted that, still seted up the air intake on the trailing flank of shell body 3, the air outlet 4 has been seted up to the symmetry on the 3 inner walls of shell body of the LED screen 11 left and right sides, guarantees the circulation of air, blows to the LED screen 11 surface through both sides air outlet 4, makes surperficial water droplet evaporate fast.
It is worth understanding that the shell body 3 below the left side and the right side of the LED screen 11 is symmetrically provided with flow guide ports 5 for matching with the air outlet 4, so that water drops on the surface of the LED screen 11 are blown to the flow guide ports 5 on the two sides, and the sewage can be discharged quickly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A touch-controllable LED display screen comprises an outer shell (3) and a display device (1) fixedly installed in the outer shell (3), and is characterized in that: a behavior recognition manipulation system is loaded in the display device (1), and the behavior recognition manipulation system includes:
the behavior recognition module is used for detecting the special behavior actions of the user, converting the actions into special code information and uploading the special code information to the behavior recognition control system;
the information storage module is used for storing the special code information recorded by the behavior recognition module;
the infrared transmitting module is used for transmitting infrared rays;
the infrared receiving module is used for receiving the infrared light rays emitted by the infrared emitting module and feeding back the infrared light rays to the behavior recognition control system in time when the light rays are interrupted;
the heating module is used for generating heat and evaporating water drops on the surface of the display device (1);
the ventilation module is used for generating air flow, assisting the heating module in quickly evaporating water drops and simultaneously playing a role in heat dissipation;
and the processor is a main working component and is used for sending a control instruction to the heating module and the ventilation module after receiving the feedback of the infrared receiving module.
2. A touch controllable LED display screen as claimed in claim 1, wherein: the display device (1) comprises an LED screen (11) and an integrated circuit board (12), wherein the LED screen (11) is electrically connected with the integrated circuit board (12) through a lead.
3. A touch controllable LED display screen as claimed in claim 1, wherein: the behavior recognition module comprises a collection camera (2), and the collection camera (2) is fixedly arranged on the front side face of the integrated circuit board (12).
4. A touch controllable LED display screen as claimed in claim 1, wherein: the infrared transmitting module comprises an infrared transmitter (6), the infrared receiving module comprises an infrared receiver (7), a groove (8) is formed in the rear side face of the outer shell (3), and the infrared transmitter (6) and the infrared receiver (7) are symmetrically fixed on the inner walls of the two sides of the groove (8).
5. A touch controllable LED display screen as claimed in claim 1, wherein: the ventilation module comprises a heat radiation fan (13), and the heat radiation fan (13) is fixed on the front side surface of the integrated circuit board (12).
6. A touch controllable LED display screen as claimed in claim 1, wherein: the heating module comprises electric heating sheets (14), and the electric heating sheets (14) are distributed on the integrated circuit board (12) on the periphery of the cooling fan (13).
7. A touch controllable LED display screen as claimed in claim 2, wherein: an air inlet is further formed in the rear side face of the outer shell (3), and air outlets (4) are symmetrically formed in the inner walls of the outer shell (3) on the left side and the right side of the LED screen (11).
8. A touch controllable LED display screen as claimed in claim 2, wherein: the LED screen (11) is characterized in that flow guide ports (5) are symmetrically formed in the outer shell (3) below the left side and the right side of the LED screen.
CN202110809649.8A 2021-07-17 2021-07-17 Touch-controllable LED display screen Pending CN113593427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110809649.8A CN113593427A (en) 2021-07-17 2021-07-17 Touch-controllable LED display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110809649.8A CN113593427A (en) 2021-07-17 2021-07-17 Touch-controllable LED display screen

Publications (1)

Publication Number Publication Date
CN113593427A true CN113593427A (en) 2021-11-02

Family

ID=78247774

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110809649.8A Pending CN113593427A (en) 2021-07-17 2021-07-17 Touch-controllable LED display screen

Country Status (1)

Country Link
CN (1) CN113593427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114373407A (en) * 2021-12-20 2022-04-19 苏州金螳螂文化发展股份有限公司 Card type interactive experience system based on RFID (radio frequency identification) technology

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014066520A1 (en) * 2012-10-26 2014-05-01 Qualcomm Incorporated System and method for providing infrared gesture interaction on a display
CN105005419A (en) * 2015-08-04 2015-10-28 北京汇冠新技术股份有限公司 Non-contact gesture recognition infrared touch screen
CN204790711U (en) * 2015-06-25 2015-11-18 广州创显光电科技有限公司 Take all -in -one that touch -control and gesture recognition awaken up
EP3069942A1 (en) * 2015-03-16 2016-09-21 Thunder Power Hong Kong Ltd. Vehicle camera cleaning system
CN206807630U (en) * 2017-05-05 2017-12-26 深圳市启悦光电有限公司 A kind of touch intelligent control TV machine
CN109480498A (en) * 2018-12-29 2019-03-19 广东佳居乐厨房科技有限公司 A kind of intelligent constant-temperature wardrobe
CN208834219U (en) * 2018-09-27 2019-05-07 天津艾斯明科技有限公司 A kind of display screen with heating function
CN209982619U (en) * 2019-03-13 2020-01-21 佛山市云米电器科技有限公司 Intelligent remote controller with camera

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014066520A1 (en) * 2012-10-26 2014-05-01 Qualcomm Incorporated System and method for providing infrared gesture interaction on a display
EP3069942A1 (en) * 2015-03-16 2016-09-21 Thunder Power Hong Kong Ltd. Vehicle camera cleaning system
CN204790711U (en) * 2015-06-25 2015-11-18 广州创显光电科技有限公司 Take all -in -one that touch -control and gesture recognition awaken up
CN105005419A (en) * 2015-08-04 2015-10-28 北京汇冠新技术股份有限公司 Non-contact gesture recognition infrared touch screen
CN206807630U (en) * 2017-05-05 2017-12-26 深圳市启悦光电有限公司 A kind of touch intelligent control TV machine
CN208834219U (en) * 2018-09-27 2019-05-07 天津艾斯明科技有限公司 A kind of display screen with heating function
CN109480498A (en) * 2018-12-29 2019-03-19 广东佳居乐厨房科技有限公司 A kind of intelligent constant-temperature wardrobe
CN209982619U (en) * 2019-03-13 2020-01-21 佛山市云米电器科技有限公司 Intelligent remote controller with camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114373407A (en) * 2021-12-20 2022-04-19 苏州金螳螂文化发展股份有限公司 Card type interactive experience system based on RFID (radio frequency identification) technology

Similar Documents

Publication Publication Date Title
CN113593427A (en) Touch-controllable LED display screen
WO2013029511A1 (en) Server
CN108337913A (en) Fingerprint login method, micro-control unit, fingerprint power supply module and electric terminal
CN107223250A (en) One key starting processing method and terminal
WO2019178732A1 (en) Startup processing method and apparatus for terminal device, and terminal device
TWI542981B (en) Foldable electric device
CN108279758A (en) A kind of computer host box convenient for heat dissipation
CN206563403U (en) Knob line control machine and air conditioner
CN205540325U (en) Novel intelligent computer hardware temperature control device
WO2022124435A1 (en) Contactless button device for elevator using ultrasonic element and motion recognition sensor
CN205942807U (en) Cloud attendance machine
CN207586811U (en) A kind of mini mute dustproof device of computer
CN216486204U (en) Electronic contract cloud platform operating system and device convenient to authenticate
CN111026241A (en) Wall-mounted interactive touch query all-in-one machine
CN216532369U (en) Interactive dull and stereotyped protective housing of intelligence
CN206619075U (en) A kind of computer heat dissipation tank
CN204650528U (en) A kind of operating equipment for server security protection
CN211454594U (en) Anti-electric-shock type reading and identifying device
CN210835794U (en) Tablet computer with voice recognition function
CN109240471A (en) Interior hairdo fixed point soot blowing heat dissipation computer housing
CN217442986U (en) Temperature-adjustable glass slide heater
CN203250263U (en) Keyboard capable of generating negative air ions
CN207976828U (en) A kind of computer multi-functional radiator line
CN216532431U (en) Intelligent information machine room for KVM management
CN201247472Y (en) Fingerprint instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20211102