CN114582232A - Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion - Google Patents
Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion Download PDFInfo
- Publication number
- CN114582232A CN114582232A CN202210196745.4A CN202210196745A CN114582232A CN 114582232 A CN114582232 A CN 114582232A CN 202210196745 A CN202210196745 A CN 202210196745A CN 114582232 A CN114582232 A CN 114582232A
- Authority
- CN
- China
- Prior art keywords
- curtain
- standby
- energy storage
- electronic
- screen
- 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.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 136
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 127
- 230000005484 gravity Effects 0.000 claims description 42
- 230000006698 induction Effects 0.000 claims description 32
- 239000003550 marker Substances 0.000 claims description 28
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 24
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 230000003068 static effect Effects 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 238000013459 approach Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000005381 potential energy Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating 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
- G09F9/301—Indicating 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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention provides a method, a device and an equipment system for embedding a bus electronic stop board into a standby curtain based on energy storage conversion. According to the method, the electronic screen and the standby screen can be automatically switched without additionally increasing the display area, the problem of black screen which is commonly existed in the traditional bus electronic stop board is solved, and the usability of the bus electronic stop board is improved.
Description
Technical Field
The invention relates to the field of bus electronic stop boards, in particular to a method, a device and an equipment system for embedding a bus electronic stop board into a standby curtain based on energy storage conversion.
Background
With the development of economic technology and the innovation and improvement of municipal transportation infrastructure, the application of bus electronic stop boards is becoming more and more extensive. At present, most of bus electronic stop boards are manufactured by electronic display technologies such as Light Emitting Diode (LED) display, Liquid Crystal Display (LCD), electrophoretic display (EPD) and the like, and relevant equipment is installed in a bus stop hall and used for displaying bus lines and real-time shift information. Because the bus stop pavilion has the characteristics of outdoor installation and complex operation environment, no matter which technology is adopted, the outdoor display can not be fully and reliably realized at present, the situations of power failure, network failure, equipment failure and the like can cause the stop of the electronic screen of the bus electronic stop board, the black screen and the interruption information, and the bus line information issue requires high reliability, therefore, the current bus electronic stop board is mostly deployed in a mode that electronic screen equipment and a standby curtain are spliced or separated and coexist mutually, the electronic screen displays the dynamic bus number information needing real-time networking such as the vehicle position and the like, the standby curtain displays the original fixed information such as the line passing stations and the like, or the electronic screen displays all the information including the fixed information such as the line passing stations and the like, and the standby curtain still additionally displays the fixed information such as the line passing stations and the like, for use in case of electronic screen failure.
The solution of static splicing and discrete coexistence of the electronic screen device and the standby curtain has the following problems:
firstly, when the electronic screen device works normally, a piece of visible standby curtain is placed at the same time to display repeated information, so that space is wasted, and the visual focus of a user is scattered and is difficult to adapt;
secondly, when the electronic screen equipment cannot work normally, the electronic screen is in a black screen exposed state, and the space is in a waste state, so that the overall perception effect of the bus stop is influenced, and a user feels confused and brings bad experience;
thirdly, as the display position of the bus stop board generally has the value of advertisement resources or other functions, the resource waste is caused by displaying redundant information in space or exposing a black screen.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus and a device system for embedding a bus electronic stop board into a standby curtain based on energy storage conversion, so as to solve the above problems.
The technical scheme of the invention is realized as follows:
the invention provides a method for embedding a standby curtain into a bus electronic stop board based on energy storage conversion, which is applied to the bus electronic stop board, wherein the bus electronic stop board comprises a box body shell, an electronic screen display module, the standby curtain, a standby curtain control module and an energy storage module, a gap channel for ventilation and heat dissipation is arranged between the box body shell and the front surface of the electronic screen display module, the standby curtain is a foldable plane display medium capable of replacing issued information when the electronic screen display module cannot normally work, the standby curtain control module is used for controlling the unfolding and folding actions of the curtain and comprises a driving module, a triggering locking module and a stroke control module, the energy storage module is used for storing energy when the electronic screen display module can normally work and releasing the energy to unfold the standby curtain when the electronic screen display module cannot normally work, the energy storage form comprises standby battery energy storage, gravity energy storage and elastic energy storage, and the method for embedding the bus electronic stop board into the standby curtain based on energy storage conversion comprises the following steps:
s1, one end of the standby curtain is connected with the driving module and is hidden at one side of the electronic display module, the other end of the standby curtain can move back and forth in a gap channel between the box body shell and the front surface of the electronic screen to drive the standby curtain to be unfolded and folded in the gap at the front surface of the electronic screen, the standby curtain covers the front surface of the electronic display screen which stops running when being unfolded to replace the electronic display screen to issue information, and the standby curtain is hidden at one side of the electronic display screen when being folded to avoid a light transmission channel and a ventilation channel of the display screen without influencing the normal display and ventilation and heat dissipation functions of the electronic display screen;
s2, connecting the driving module and the trigger locking module of the standby curtain with the power circuit of the electronic screen display module, when the power circuit of the electronic screen display module works normally, the trigger driving module adopts the power of the electronic screen display module to fold the standby curtain, and the energy storage module adopts the standby battery, gravity or elastic force to store energy, when the power circuit of the electronic screen display module is disconnected, the trigger standby curtain adopts the standby battery, gravity or elastic force to store energy to drive and unfold;
s3, the travel control module controls the active travel of the standby curtain to be unfolded and folded, the travel control module comprises a travel marker arranged at the active end of the standby curtain and a touch or proximity sensing mechanism arranged at a designated position on the box body, when the standby curtain is unfolded in the form of standby battery energy storage, the travel control module comprises an unfolding travel sensing mechanism and a folding travel sensing mechanism, and the unfolding travel sensing mechanism is arranged as follows: when the standby curtain is unfolded and the picture position is just consistent with the display space of the electronic screen, the travel marker on the curtain corresponds to a designated position on the box body, and when the curtain is unfolded and moves, as long as the travel marker on the curtain touches or approaches the mechanism, the mechanism triggers to cut off the unfolding power supply of the curtain driving module, so that the curtain driving module stops unfolding and is in a static state; draw in stroke response mechanism and set up and be in: when the standby screen is folded and the picture position completely avoids the display area and the ventilation and heat dissipation channel of the electronic screen, the travel marker on the screen corresponds to a designated position on the box body, and when the screen is folded, as long as the travel marker on the screen touches or approaches the mechanism, the mechanism triggers to cut off the folding power supply of the screen driving module, so that the screen driving module stops folding and is in a static state; when the standby curtain is unfolded in a gravity or elastic energy storage mode, the stroke control module only needs to be provided with a furling stroke sensing mechanism;
further, in step S3, when the standby curtain is unfolded in the form of energy storage of the standby battery, the standby curtain driving module is powered by the screen power supply and the standby battery together, when the electronic screen display module works normally, the screen power supply is used to drive the standby curtain to fold, and when the electronic screen display module cannot work normally, the standby battery is used to drive the standby curtain to unfold; the standby battery is charged through the screen power supply when the screen power supply is available;
further, in the step S3, when the standby curtain is unfolded by gravity or elastic energy storage, the standby curtain driving module is powered by the screen power source alone, and when the electronic screen display module works normally, the standby curtain driving module folds the standby curtain by the screen power source, and then (1) when the folded standby curtain is hidden on the upper side of the electronic display screen, the standby curtain is pulled up upwards while being folded, and the gravity energy storage is formed and the electromagnetic lock is driven to lock the standby curtain by the screen power source, or (2) no matter the folded standby curtain is hidden on any side of the electronic display screen, the standby curtain driving module can be provided with an elastic energy storage device, when being folded, the elastic energy storage device is pulled while the standby curtain is pulled to generate elastic energy storage and the electromagnetic lock is driven by the screen power source, when the electronic screen display module cannot work normally, the electromagnetic lock power supply simultaneously releases and the standby curtain driving module utilizes gravity energy storage or elastic energy storage to unfold the standby curtain;
by the method, the standby curtain is embedded in the electronic bus stop board based on energy storage conversion, so that only one picture faces a client at the same time, no black screen is exposed, no space is wasted, and the problems of static splicing, discrete coexistence and display of the electronic screen and the standby curtain in the conventional electronic bus stop board are solved.
In a second aspect, the invention provides a device for embedding a bus electronic stop board into a standby curtain based on energy storage conversion, which is applied to the bus electronic stop board, wherein the bus electronic stop board comprises a box body shell, an electronic screen display module, the standby curtain, a standby curtain control module and an energy storage module, a gap channel for ventilation and heat dissipation is arranged between the box body shell and the front surface of the electronic screen display module, the standby curtain is a foldable plane display medium capable of replacing issued information when the electronic screen display module cannot normally work, the standby curtain control module is used for controlling the unfolding and folding of the curtain and comprises a driving module, a triggering locking module and a stroke control module, the energy storage module is used for storing energy when the electronic screen display module can normally work and releasing energy to unfold the standby curtain when the electronic screen display module cannot normally work, the energy storage form includes reserve battery energy storage, gravity energy storage and elasticity energy storage, the reserve curtain of bus electron stop board embedding device based on energy storage conversion include:
the electronic screen display unit is placed in a box body shell of the bus electronic stop board, a display area euphotic layer is arranged on the front surface of the box body shell, and a ventilation and heat dissipation channel is arranged between the display area euphotic layer and the front surface of the electronic display screen;
the standby curtain display unit is used for replacing and issuing information when the electronic screen display unit cannot normally display, the standby curtain display unit comprises a standby curtain, a control mechanism of the standby curtain and an energy storage mechanism, the control mechanism of the standby curtain comprises a driving mechanism, a trigger locking mechanism and a stroke sensing mechanism, one end of the standby curtain is connected with the driving mechanism of the standby curtain, the other end of the standby curtain is provided with a curtain balancing rod and a stroke marker, the standby curtain can move back and forth in the front ventilation and heat dissipation channel of the electronic display screen, can be unfolded and folded in the front ventilation and heat dissipation channel of the electronic display screen under the control of the control mechanism, avoids a light-transmitting layer of a display area when being folded, and is hidden at one side of the box body, and covers the display area on the front side of the electronic display screen through the heat dissipation channel between the light-transmitting layer of the display area and the electronic display screen when being unfolded; the energy storage mechanism of the standby curtain comprises three forms of standby battery energy storage, gravity energy storage and elastic energy storage, the energy of the energy storage mechanism and the energy of the screen power supply are mutually converted, when the electronic display screen can normally work, the energy storage mechanism stores energy, and when the electronic display screen cannot normally work, the energy storage mechanism releases energy to unfold the standby curtain;
when the standby curtain display unit adopts a standby battery energy storage mode, the standby battery is charged by a screen power supply, and the standby curtain driving mechanism adopts a bidirectional telescopic motor (short for bidirectional telescopic motor) which is powered by the screen power supply and the standby battery together; the triggering locking mechanism adopts a relay module (short for: relay module) connected with the power circuit of the electronic screen display unit, the triggering condition of the relay module is that the power circuit of the electronic screen display unit is switched off and on, and the relay is triggered to reset when the power circuit of the electronic screen display unit is switched off: the contact is switched on to supply power to the standby battery of the bidirectional telescopic motor/is switched off to supply power to the screen power supply at the same time, and the standby screen is unfolded under the drive of the standby battery; setting a relay when a power circuit of the electronic screen display unit is switched on: the contact cuts off the direction power supply of the standby battery of the bidirectional telescopic motor/simultaneously switches on the direction power supply of the screen power supply, and the screen power supply supplies power to fold the standby curtain; the bidirectional telescopic motor is characterized in that the motor can be electrified in two directions, the movement direction of the driving motor is changed (folded or unfolded) after the direction of current is changed (in a forward direction or a reverse direction), and the dead weight of the standby curtain can not cause the movement of the motor when no external force exists; when the electronic screen display unit normally works, the bidirectional telescopic motor adopts a screen power supply to supply power to do forward contraction motion so as to finish the furling operation of the standby curtain; when the electronic screen display unit cannot work normally, the bidirectional telescopic motor adopts a standby battery to supply power to perform reverse expansion action so as to complete the expansion operation of the standby curtain;
further, when the standby curtain display unit adopts the standby battery for energy storage and adopts the bidirectional telescopic motor for driving, the stroke induction mechanism comprises an expansion stroke induction mechanism and a furling stroke induction mechanism, the stroke induction mechanism is composed of a stroke switch or a proximity switch, and the expansion stroke induction mechanism is arranged as follows: when reserve curtain expansion, picture position just unanimous with electronic screen's display space, the travel marker on the curtain corresponds a assigned position on the box, when the curtain was done the expansion motion, the curtain picture just when unanimous with electronic screen's display space, the travel marker touching of curtain or the travel switch or the proximity switch who closely expandes travel induction mechanism, the travel switch or the proximity switch that expand travel induction mechanism trigger: disconnecting a battery power supply circuit of the standby curtain driving mechanism and stopping the unfolding action, wherein the standby curtain is in a static unfolding state; the drawing stroke induction mechanism is arranged as follows: reserve curtain draws in, when picture position avoided electronic screen's display area and ventilation cooling channel completely, the stroke marker on the curtain corresponds an assigned position on the box, when reserve curtain was done and is drawn in the motion, when the display area and the cooling channel of electronic screen had been avoided completely to curtain mechanism, the stroke marker touching or the proximity switch who draws in stroke induction mechanism of curtain, the stroke switch or the proximity switch who draws in stroke induction mechanism triggers: disconnecting a screen power supply circuit of the standby curtain driving mechanism and stopping furling action, wherein the standby curtain is in a static furling state;
when the standby curtain display unit adopts a gravity energy storage or elastic energy storage mode, the gravity energy storage structure comprises a balance rod (a balance rod for short) which is fixedly connected with the movable end of the standby curtain and plays a role of balancing weight; or the elastic energy storage structure comprises an elastic energy storage and transmission device fixedly connected with the movable end of the standby curtain; the standby curtain driving mechanism is formed by a common motor (short for: common motor) which is independently powered by a screen power supply; the triggering locking mechanism is composed of an electromagnetic locking module for clamping (electromagnetic locking module for short) connected with a power circuit of the electronic screen display unit; the common motor is powered by a screen power supply to do forward folding motion on one hand, and is pulled by a gravity energy storage or elastic energy storage device arranged on the curtain unit to do reverse unfolding motion on the other hand under the condition of not being limited; when the electronic screen display normally works, the motor adopts a screen power supply to complete furling movement, and meanwhile, (1) when a gravity energy storage structure is adopted (the furled standby curtain is limited to be hidden at the upper side of the electronic screen display unit), the standby curtain which is pulled upwards drives the counterweight rod to increase gravity energy storage, or (2) when an elastic energy storage structure is adopted (the hidden position of the furled standby curtain is not limited), the standby curtain is furled to pull the elastic energy storage device to increase elastic energy storage; when the electronic screen display unit cannot work normally, the action of the electromagnetic locking module connected with the power supply circuit of the electronic screen display unit disappears, and the standby curtain driving mechanism does not need electric power driving and can unfold the standby curtain under the action of gravity energy storage or elastic energy storage; the electromagnetic locking module is characterized in that the electromagnetic locking module can directly absorb the standby curtain through the suction force of an electromagnet or support a balancing rod at the bottom end of the standby curtain after being folded through a protruding locking rod of an electromagnetic lock, so that the aim of preventing the standby curtain from returning due to gravity or elasticity is fulfilled;
further, when the standby curtain display unit adopts a gravity energy storage or elastic energy storage mode, the standby curtain driving mechanism consists of a common motor and the trigger locking mechanism adopts an electromagnetic locking module, the stroke sensing mechanism only needs to be set up and consists of a travel switch or a proximity switch, and the drawing stroke sensing mechanism is arranged: when the standby curtain is folded and the picture position completely avoids the display area and the ventilation and heat dissipation channel of the electronic screen, the travel marker on the curtain corresponds to a designated position on the box body; when the electronic screen normally works, the standby curtain draws in, once the travel marker on the curtain touches or approaches the drawing travel sensing mechanism, the mechanism triggers to disconnect a power supply circuit of the standby curtain driving mechanism and simultaneously connects the power supply circuit of the clamping electromagnetic locking module, the curtain driving mechanism stops drawing, and the clamping electromagnetic locking module generates locking action to prevent the standby curtain from returning through gravity or elasticity, so that the standby curtain is kept in a static drawing state; when electronic screen can not normally work, the electronic screen power disappears, and the screens also resets the outage with electromagnetic locking module simultaneously, and locking action disappears, and reserve curtain opens under the effect of gravity or elasticity and resets, leaves when the curtain picture draws in the position after, draws in stroke induction mechanism's travel switch or proximity switch and resets: when the screen picture is just unfolded and the display space of the electronic screen is consistent, the picture is completely unfolded, the position of the screen is restored and the screen is in a natural static unfolding state;
through the device, link together the electronic screen display element of bus electronic stop board and reserve curtain display element's operating condition, electronic screen interrupted power stop work when reserve curtain expandes, no longer need heat dissipation channel, reserve curtain can occupy electronic screen's heat dissipation channel show information, electronic screen begins work when reserve curtain draws in, at this moment reserve curtain draws in immediately and hides the one side at electronic display screen, make electronic display screen's front heat dissipation channel resume unobstructed, from not influencing printing opacity and the heat dissipation requirement after electronic screen shows normal work.
In a third aspect, the invention provides a bus electronic stop board equipment system, which comprises the device for embedding the bus electronic stop board into the standby curtain based on energy storage conversion.
Compared with the prior art, the method, the device and the equipment system for embedding the bus electronic stop board into the standby curtain based on energy storage conversion have the following advantages:
1. no information is displayed in an overlapping way, and a user only needs to focus on the same display area without dispersing attention;
2. the electronic screen and the standby curtain are switched in real time, so that a long-time black screen exposed state is avoided, the overall perception effect of the bus stop is improved, and good user experience is brought;
3. the display space is saved, and the available outdoor advertisement resources are increased.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a logic diagram of a control circuit employing a backup battery energy storage, bi-directional telescoping motor drive scheme;
FIG. 2 is a logic diagram of a control circuit adopting a gravity energy storage or elastic energy storage and common motor driving scheme;
FIG. 3 is a schematic diagram of a device layout using a backup battery energy storage and bi-directional motor drive scheme
FIG. 4 is a schematic diagram of a device layout using a gravity energy storage and common motor driving scheme
FIG. 5 is a schematic diagram of a device layout using an elastic energy storage and common motor driving scheme
Icon: a-triggering the latching mechanism relay coil; b-closing a normally closed contact of a travel sensing mechanism (a proximity switch or a limit switch); c-triggering a normally open contact of the locking mechanism relay; d-triggering a normally closed contact of the locking mechanism relay; e-a bidirectional telescopic motor; f, normally closed contact of an unfolding stroke induction mechanism (a proximity switch or a limit switch), and g, normally open contact of a folding stroke induction mechanism (a proximity switch or a limit switch); h-a common motor powered solely by a screen power supply; the i-position is locked by electromagnetic locking module; j-front view when standby curtain is folded; k-front view of the standby curtain when unfolded; l-side view of the standby curtain when deployed; m-side view of the standby curtain when folded; 1-a box body shell; 2-drawing in stroke induction mechanism; 3-standby curtain; 4-an electronic screen display unit; 5-a display area euphotic layer on the box body shell; 6-a travel marker on the standby curtain; 7-an unfolding stroke sensing mechanism; 8-heat dissipation air duct opening; 9-a heat dissipation channel between the light-transmitting layer of the display area and the electronic display screen; 10-the motor draws the direction movement current; 11-motor unwinding direction movement current; 12-locking and counterweight balancing pole; 13-locking and pulling the balancing bar; 14-a furled elastic force transmission device; 15-elastic energy storage means; 16-an extended elastic force transmitting means;
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In this embodiment, a solution that a backup battery stores energy, a bidirectional telescopic motor and a trigger unit drive a backup curtain together is adopted, fig. 1 shows a logic schematic diagram of a control circuit of the solution, fig. 3 shows a layout schematic diagram of an apparatus of the solution, and a specific working flow is as follows:
when the electronic screen works normally, a-triggers the relay coil of the locking mechanism to be electrified, c-triggers the normally open contact of the locking mechanism relay to be closed, d-triggers the normally closed contact of the locking mechanism relay to be opened, in the figure 1, the power supply of the screen power supply and the standby battery are disconnected, the 10-motor furls the direction to generate the movement current, the curtain furls until the 6-stroke marker on the standby curtain approaches or touches the 2-furling stroke induction mechanism, b-the normally closed contact of the folding stroke induction mechanism (a proximity switch or a limit switch) is disconnected, 10-the movement current of the motor in the folding direction is stopped, the motor stops folding movement, and 3-the standby curtain is in a static state after being folded, as shown in fig. 3, the front view of the j-standby curtain when folded and the side view of the m-standby curtain when folded;
when the electronic screen can not work normally, the coil of the a-trigger locking mechanism relay stops electrifying, the normally open contact of the c-trigger locking mechanism relay is disconnected, the normally closed contact of the d-trigger locking mechanism relay is connected, in FIG. 1, when the power supply of the screen is cut off, the standby battery is used for supplying power, 11-motor unfolding direction movement current is generated, the curtain is unfolded until 6-stroke markers on the standby curtain approach or touch 7-unfolding stroke sensing mechanisms, f-opening the normally closed contact of the travel induction mechanism (proximity switch or limit switch), stopping the motor from opening when the movement current in the 11-motor opening direction is stopped, keeping the 3-standby curtain in a static state after opening, e.g., the k-side view of FIG. 3 when the standby curtain is deployed and the l-side view when the standby curtain is deployed;
as shown in fig. 3, in this embodiment, the electronic display screen of the electronic bus stop board and the standby curtain are organically combined through the combined action of the standby battery for energy storage, the bidirectional telescopic motor, the trigger unit and the stroke sensing mechanism and the inherent heat dissipation channel of the shared electronic screen.
This example still provides a public transit electronic stop board equipment system, and public transit electronic stop board equipment system has contained above-mentioned example device.
Example 2
The embodiment adopts a solution of gravity energy storage and common motor driving a standby curtain, fig. 2 shows a logic schematic diagram of a control circuit of the solution, fig. 4 shows a layout schematic diagram of a device of the solution, and the specific working flow is as follows:
when the electronic screen works normally, the screen power supply in fig. 2 supplies power, h-is started by a common motor which is independently supplied with power by the screen power supply, the curtain is folded, simultaneously drives the 12-locking and counterweight balancing rod to increase gravitational potential energy until the stroke marker on the 6-standby curtain approaches or touches the 2-folding stroke sensing mechanism, b-the normally closed contact of the drawing stroke induction mechanism (proximity switch or limit switch) is disconnected, the motor stops drawing motion, meanwhile, the normally open contact of the g-folding travel sensing mechanism (a proximity switch or a limit switch) is closed, the electromagnetic locking module for i-clamping is switched on, such as an electromagnet, to lock the 12-locking and counterweight balancing pole, the 3-standby curtain is in a static state after being folded, as shown in fig. 4, the front view of the j-standby curtain when folded and the side view of the m-standby curtain when folded;
when the electronic screen can not work normally, the power supply of the screen in fig. 2 is cut off, the locking action disappears by an electromagnetic locking module such as an electromagnet for i-clamping, the 12-locking and counterweight balancing rod falls under the action of gravity to drive the standby curtain to be unfolded, and the standby curtain is naturally stopped and is in a static state after being completely unfolded; e.g., the k-side view of FIG. 4 when the standby curtain is deployed and the l-side view when the standby curtain is deployed;
as shown in fig. 4, the embodiment does not need a backup battery, and the electronic display screen of the electronic bus stop board and the backup curtain can be organically combined through the inherent heat dissipation channel of the shared electronic screen only through the combined action of the common motor and the electromagnetic locking mechanism.
The example also provides a bus electronic stop board equipment system which comprises the example device.
Example 3
In this embodiment, a solution of elastic energy storage and a standby curtain driven by a common motor is adopted, fig. 2 shows a logic schematic diagram of a control circuit of the solution, fig. 5 shows a layout schematic diagram of an apparatus of the solution, and a specific working flow is as follows:
when the electronic screen normally works, the screen power supply in fig. 2 supplies power, h-is started by a common motor which is solely supplied with power by the screen power supply, the screen is folded, meanwhile, a 15-elastic energy storage device is driven by a 13-locking and pulling balance rod and an elastic force transmission device (14 and 16) to increase elastic potential energy until a 6-travel marker on the standby screen approaches or touches a 2-folding travel induction mechanism, b-a normally closed contact of the folding travel induction mechanism (a proximity switch or a limit switch) is disconnected, the motor stops folding movement, meanwhile, a normally open contact of a g-folding travel induction mechanism (the proximity switch or the limit switch) is closed, an electromagnetic locking module such as an electromagnet or an electromagnetic lock is used for i-clamping, the 13-locking and pulling balance rod is locked, and the 3-standby screen is in a static state after folding, as shown in fig. 5, the j-standby curtain is folded in front and the m-standby curtain is folded in side;
when the electronic screen can not work normally, the power supply of the screen in fig. 2 is cut off, the locking action of the electromagnetic locking module and the electromagnet or the electromagnetic lock for i-clamping disappears, the standby curtain is unfolded under the action of elasticity, and the standby curtain is naturally stopped and is in a static state after being completely unfolded; e.g., the k-front view of FIG. 5 when the standby curtain is deployed and the l-side view when the standby curtain is deployed;
as shown in fig. 5, the electronic display screen of the bus electronic stop board and the standby curtain are organically combined only by the common action of the common motor, the elastic energy storage device and the electromagnetic locking mechanism through the inherent heat dissipation channel of the shared electronic screen, so that the standby curtain is always in an elastic expansion state in the scheme, the curtain is smoother, the expansion direction is not limited, and the expansion action is more stable.
The example also provides a bus electronic stop board equipment system which comprises the example device.
In summary, the method, the device and the equipment system for embedding the standby curtain into the bus electronic stop board achieve that only one picture faces a client under any condition, and solve the problem that the electronic screen and the standby curtain in the existing bus electronic stop board are simply spliced or displayed in parallel.
In the technical solutions and basic implementation methods provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The device-implemented methods described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate possible compositions of devices and circuits according to the basic embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module or unit that comprises one or more of the same elements for performing the specified logical function. It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two series-connected units may actually be connected in a different order, depending on the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can also be implemented by special purpose components which perform the specified functions or acts.
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 are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A method for embedding a bus electronic stop board into a standby curtain based on energy storage conversion is characterized by comprising the following steps: be applied to bus electronic stop board, bus electronic stop board include box shell, electronic screen display module, reserve curtain control module and energy storage module, the box shell with electronic screen display module openly between contain and be used for ventilation cooling's clearance passageway, reserve curtain be when electronic screen display module can not normally work, can replace the plane show medium that can gather up of publishing information, reserve curtain control module be used for controlling the action of opening and drawing in of curtain, it includes drive module, trigger locking module and stroke control module, energy storage module be used for when electronic screen display module can normally work energy storage, when electronic screen display module can not normally work energy release energy expand reserve curtain, the energy storage form includes reserve battery energy storage, gravity energy storage and elasticity energy storage, the method for embedding the bus electronic stop board into the standby curtain based on energy storage conversion comprises the following steps:
s1, one end of the standby curtain is connected with the driving module and is hidden at one side of the electronic display module, the other end of the standby curtain can move back and forth in a gap channel between the box body shell and the front surface of the electronic screen to drive the standby curtain to be unfolded and folded in the gap at the front surface of the electronic screen, the standby curtain covers the front surface of the electronic display screen which stops running when being unfolded to replace the electronic display screen to issue information, and the standby curtain is hidden at one side of the electronic display screen when being folded to avoid a light transmission channel and a ventilation channel of the display screen without influencing the normal display and ventilation and heat dissipation functions of the electronic display screen;
s2, connecting a driving module and a triggering locking module of the standby curtain with a power circuit of the electronic screen display module, wherein when the power circuit of the electronic screen display module works normally, the triggering driving module adopts the power of the electronic screen display module to fold the standby curtain, and the energy storage module adopts the form of charging the standby battery and increasing gravity or elastic potential energy to store energy, and when the power circuit of the electronic screen display module is disconnected, the triggering standby curtain adopts the standby battery, the gravity or the elastic potential energy to drive the expansion;
s3, the travel control module controls the active travel of the standby curtain to be unfolded and folded, the travel control module comprises a travel marker arranged at the active end of the standby curtain and a touch or proximity sensing mechanism arranged at a designated position on the box body, when the standby curtain is unfolded in the form of standby battery energy storage, the travel control module comprises an unfolding travel sensing mechanism and a folding travel sensing mechanism, and the unfolding travel sensing mechanism is arranged as follows: when the standby curtain is unfolded and the picture position is just consistent with the display space of the electronic screen, the travel marker on the curtain corresponds to a designated position on the box body, and when the curtain is unfolded and moves, as long as the travel marker on the curtain touches or approaches the mechanism, the mechanism triggers to cut off the unfolding power supply of the curtain driving module, so that the curtain driving module stops unfolding and is in a static state; draw in stroke response mechanism and set up and be in: when the standby screen is folded and the picture position completely avoids the display area and the ventilation and heat dissipation channel of the electronic screen, the travel marker on the screen corresponds to a designated position on the box body, and when the screen is folded, as long as the travel marker on the screen touches or approaches the mechanism, the mechanism triggers to cut off the folding power supply of the screen driving module, so that the screen driving module stops folding and is in a static state; when the standby curtain is unfolded in a gravity or elastic energy storage mode, the stroke control module only needs to be provided with a furling stroke sensing mechanism.
2. The method for embedding bus electronic stop boards into reserve curtains based on energy storage conversion as claimed in claim 1, wherein the method comprises the following steps: when the standby curtain is unfolded in a standby battery energy storage mode, the standby curtain driving module is powered by the screen power supply and the standby battery together, when the electronic screen display module works normally, the screen power supply is used for driving the standby curtain to be folded, and when the electronic screen display module cannot work normally, the standby battery is used for driving the standby curtain to be unfolded; the backup battery is charged by the screen power supply when the screen power supply is available.
3. The method for embedding bus electronic stop boards into reserve curtains based on energy storage conversion as claimed in claim 1, wherein the method comprises the following steps: when the standby curtain is unfolded in the form of gravity or elastic energy storage, the standby curtain driving module is independently powered by a screen power supply, when the electronic screen display module normally works, the standby curtain driving module draws the standby curtain in by the screen power supply, then (1) when the drawn standby curtain is hidden at the upper side of the electronic display screen, the standby curtain is upwards pulled up and forms gravity energy storage and is locked by the screen power supply to drive the electromagnetic lock, or (2) no matter the drawn standby curtain is hidden at any side of the electronic display screen, the standby curtain driving module can be provided with an elastic energy storage device, when the standby curtain is drawn in, the elastic energy storage device is simultaneously pulled to generate elastic energy storage and is locked by the screen power supply to drive the electromagnetic lock, when the electronic screen display module cannot normally work, the electromagnetic lock power supply is simultaneously released, The standby curtain driving module utilizes gravity energy storage or elastic energy storage to unfold the standby curtain.
4. The utility model provides a device of reserve curtain of bus electron stop board embedding based on energy storage conversion which characterized in that: be applied to bus electronic stop board, bus electronic stop board include box shell, electronic screen display module, reserve curtain control module and energy storage module, the box shell with electronic screen display module openly between contain and be used for ventilation cooling's clearance passageway, reserve curtain be when electronic screen display module can not normally work, can replace the plane show medium that can gather up of publishing information, reserve curtain control module be used for controlling the expansion and draw in of curtain, it includes drive module, trigger locking module and stroke control module, energy storage module is used for when electronic screen display module can normally work energy storage, when electronic screen display module can not normally work energy release and expand reserve curtain, the energy storage form includes reserve battery energy storage, gravity energy storage and elasticity energy storage, the device of reserve curtain of bus electron stop board embedding based on energy storage conversion include:
the electronic screen display unit is placed in a box body shell of the bus electronic stop board, a display area euphotic layer is arranged on the front surface of the box body shell, and a ventilation and heat dissipation channel is arranged between the display area euphotic layer and the front surface of the electronic display screen;
the standby curtain display unit is used for replacing and issuing information when the electronic screen display unit cannot normally display, the standby curtain display unit comprises a standby curtain, a control mechanism of the standby curtain and an energy storage mechanism, the control mechanism of the standby curtain comprises a driving mechanism, a trigger locking mechanism and a stroke sensing mechanism, one end of the standby curtain is connected with the driving mechanism of the standby curtain, the other end of the standby curtain is provided with a curtain balancing rod and a stroke marker, the standby curtain can move back and forth in the front ventilation and heat dissipation channel of the electronic display screen, is unfolded and folded in the front ventilation and heat dissipation channel of the electronic display screen under the control of the control mechanism, avoids a light-transmitting layer of a display area when being folded, and is hidden at one side of the box body, and covers the display area on the front side of the electronic display screen through the heat dissipation channel between the light-transmitting layer of the display area and the electronic display screen when being unfolded; the energy storage mechanism of reserve curtain include three kinds of forms of reserve battery energy storage, gravity energy storage and elasticity energy storage, energy storage mechanism and screen power's energy interconversion, when electronic display screen can normally work, energy storage mechanism energy storage, when electronic display screen can not normally work, energy storage mechanism release energy is in order to expand reserve curtain.
5. The device for embedding the electronic bus stop board into the standby curtain based on the energy storage conversion as claimed in claim 4, wherein: when the standby curtain display unit adopts a standby battery energy storage mode, the standby battery is charged by a screen power supply, and the standby curtain driving mechanism adopts a bidirectional telescopic motor (short for bidirectional telescopic motor) which is powered by the screen power supply and the standby battery together; the trigger locking mechanism adopts a relay module (called as a relay module for short) connected with a power circuit of the electronic screen display unit, the trigger condition of the relay module is that the power circuit of the electronic screen display unit is switched off and on, and the relay is triggered to reset when the power circuit of the electronic screen display unit is switched off: the contact is connected with the power supply of a standby battery of the bidirectional telescopic motor in the direction/is simultaneously disconnected with the power supply of a screen power supply in the direction, and the standby battery supplies power to drive and unfold the standby curtain; setting a relay when a power circuit of the electronic screen display unit is switched on: the contact cuts off the direction power supply of the standby battery of the bidirectional telescopic motor/simultaneously switches on the direction power supply of the screen power supply, and the screen power supply supplies power to fold the standby curtain; the bidirectional telescopic motor is characterized in that the motor can be electrified in two directions, the movement direction of the driving motor is changed (folded or unfolded) after the direction of current is changed (in a forward direction or a reverse direction), and the dead weight of the standby curtain can not cause the movement of the motor when no external force exists; when the electronic screen display unit normally works, the bidirectional telescopic motor adopts a screen power supply to supply power to do forward contraction motion so as to finish the furling operation of the standby curtain; when the electronic screen display unit can not work normally, the bidirectional telescopic motor adopts the standby battery to supply power to do reverse expansion action and complete the expansion operation of the standby curtain.
6. The device for embedding an electronic bus stop board into a reserve curtain based on energy storage conversion as claimed in claim 4, characterized in that: when reserve curtain display element adopt reserve battery energy storage and adopt two-way flexible motor drive, stroke induction mechanism contain and expand stroke induction mechanism and draw in stroke induction mechanism two parts in, stroke induction mechanism constitute by travel switch or by proximity switch, expansion stroke induction mechanism set up and be in: when reserve curtain expansion, picture position just unanimous with electronic screen's display space, the travel marker on the curtain corresponds a assigned position on the box, when the curtain was done the expansion motion, the curtain picture just when unanimous with electronic screen's display space, the travel marker touching of curtain or the travel switch or the proximity switch who closely expandes travel induction mechanism, the travel switch or the proximity switch that expand travel induction mechanism trigger: disconnecting a battery power supply circuit of the standby curtain driving mechanism and stopping the unfolding action, wherein the standby curtain is in a static unfolding state; the drawing stroke induction mechanism is arranged as follows: reserve curtain draws in, when picture position avoided electronic screen's display area and ventilation cooling channel completely, the stroke marker on the curtain corresponds an assigned position on the box, when reserve curtain was done and is drawn in the motion, when the display area and the cooling channel of electronic screen had been avoided completely to curtain mechanism, the stroke marker touching or the proximity switch who draws in stroke induction mechanism of curtain, the stroke switch or the proximity switch who draws in stroke induction mechanism triggers: and (4) disconnecting a screen power supply circuit of the standby curtain driving mechanism and stopping furling action, wherein the standby curtain is in a static furling state.
7. The device for embedding the electronic bus stop board into the standby curtain based on the energy storage conversion as claimed in claim 4, wherein: when the standby curtain display unit adopts a gravity energy storage or elastic energy storage mode, the gravity energy storage structure comprises a balance rod (a balance rod for short) which is fixedly connected with the movable end of the standby curtain and plays a role of balancing weight; or the elastic energy storage structure comprises an elastic energy storage and transmission device fixedly connected with the movable end of the standby curtain; the standby curtain driving mechanism is formed by a common motor (short for: common motor) which is independently powered by a screen power supply; the triggering locking mechanism is composed of an electromagnetic locking module for clamping (electromagnetic locking module for short) connected with a power circuit of the electronic screen display unit; the common motor is powered by a screen power supply to do forward folding motion on one hand, and is pulled by a gravity energy storage or elastic energy storage device arranged on the curtain unit to do reverse unfolding motion on the other hand under the condition of not being limited; when the electronic screen display normally works, the motor adopts a screen power supply to finish furling movement, and meanwhile, (1) when a gravity energy storage structure is adopted (the furled standby curtain is limited to be hidden at the upper side of the electronic screen display unit), the standby curtain which is pulled upwards drives the counterweight rod to increase gravity energy storage, or (2) when an elastic energy storage structure is adopted (the hidden position of the furled standby curtain is not limited), the standby curtain is furled to pull the elastic energy storage device to increase elastic energy storage; when the electronic screen display unit cannot work normally, the action of the electromagnetic locking module connected with the power supply circuit of the electronic screen display unit disappears, and the standby curtain driving mechanism does not need electric power driving and can unfold the standby curtain under the action of gravity energy storage or elastic energy storage; the electromagnetic locking module is characterized in that the electromagnetic locking module can directly absorb the standby curtain through the suction force of an electromagnet or support a balancing rod at the bottom end of the standby curtain after being folded through a protruding locking rod of the electromagnetic lock, so that the aim of preventing the standby curtain from returning due to gravity or elasticity is fulfilled.
8. The device for embedding the electronic bus stop board into the standby curtain based on the energy storage conversion as claimed in claim 4, wherein: when the spare curtain display unit adopts a gravity energy storage or elastic energy storage form, the spare curtain driving mechanism is composed of a common motor, the trigger locking mechanism adopts an electromagnetic locking module, the stroke sensing mechanism only needs to be provided with a drawing stroke sensing mechanism, the drawing stroke sensing mechanism is composed of a stroke switch or a proximity switch, and the drawing stroke sensing mechanism is arranged: when the standby curtain is folded and the picture position completely avoids the display area and the ventilation and heat dissipation channel of the electronic screen, the travel marker on the curtain corresponds to a designated position on the box body; when the electronic screen normally works, the standby curtain draws in, once the travel marker on the curtain touches or approaches the drawing travel sensing mechanism, the mechanism triggers to disconnect a power supply circuit of the standby curtain driving mechanism and simultaneously connects the power supply circuit of the clamping electromagnetic locking module, the curtain driving mechanism stops drawing, and the clamping electromagnetic locking module generates locking action to prevent the standby curtain from returning through gravity or elasticity, so that the standby curtain is kept in a static drawing state; when electronic screen can not normally work, the electronic screen power disappears, and the screens also resets the outage with electromagnetic locking module simultaneously, and locking action disappears, and reserve curtain opens under the effect of gravity or elasticity and resets, leaves when the curtain picture draws in the position after, draws in stroke induction mechanism's travel switch or proximity switch and resets: when the screen picture is just unfolded and the display space of the electronic screen is consistent, the picture is completely unfolded, the position of the screen is restored, and the screen is in a natural static unfolding state.
9. The utility model provides a public transit electronic stop board equipment system which characterized in that: the bus electronic stop board equipment system comprises a device for embedding the bus electronic stop board into the standby curtain based on energy storage conversion according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210196745.4A CN114582232B (en) | 2022-03-08 | 2022-03-08 | Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210196745.4A CN114582232B (en) | 2022-03-08 | 2022-03-08 | Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114582232A true CN114582232A (en) | 2022-06-03 |
| CN114582232B CN114582232B (en) | 2024-03-01 |
Family
ID=81771553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210196745.4A Active CN114582232B (en) | 2022-03-08 | 2022-03-08 | Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114582232B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100968587B1 (en) * | 2010-03-18 | 2010-07-08 | (주)동남티디에스 | Folded large-sized electric sign and radiator |
| KR20120081328A (en) * | 2011-01-11 | 2012-07-19 | 디알씨티에스(주) | Multimedia advertising system |
| CN207319477U (en) * | 2017-07-21 | 2018-05-04 | 陕西奥翔网络科技有限公司 | A kind of intelligent Electronic Bus Stand |
| CN112767827A (en) * | 2021-03-22 | 2021-05-07 | 苏州市大创信息运用有限公司 | Screen door structure of bus electronic stop board |
-
2022
- 2022-03-08 CN CN202210196745.4A patent/CN114582232B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100968587B1 (en) * | 2010-03-18 | 2010-07-08 | (주)동남티디에스 | Folded large-sized electric sign and radiator |
| KR20120081328A (en) * | 2011-01-11 | 2012-07-19 | 디알씨티에스(주) | Multimedia advertising system |
| CN207319477U (en) * | 2017-07-21 | 2018-05-04 | 陕西奥翔网络科技有限公司 | A kind of intelligent Electronic Bus Stand |
| CN112767827A (en) * | 2021-03-22 | 2021-05-07 | 苏州市大创信息运用有限公司 | Screen door structure of bus electronic stop board |
Non-Patent Citations (1)
| Title |
|---|
| 胡绍忠;: "智能公交系统中电子站牌硬件系统的设计", 电子制作, no. 17, 8 November 2013 (2013-11-08), pages 78 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114582232B (en) | 2024-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201667000U (en) | Air conditioner with projection display function | |
| CN109345957A (en) | Display module and electronic device with the display module | |
| CN110266843A (en) | A kind of Folding screen and mobile terminal | |
| CN114582232A (en) | Method, device and equipment system for embedding bus electronic stop board into standby curtain based on energy storage conversion | |
| CN205751376U (en) | A kind of intelligence turning display screen | |
| CN101013824A (en) | Automatic change-over control circuit of terminal duplicate supply | |
| CN206845075U (en) | Electric expansion door system | |
| CN112767827A (en) | Screen door structure of bus electronic stop board | |
| CN215160050U (en) | Elevator operating device and elevator adaptive to passengers | |
| CN210724309U (en) | Automatic change-over switch control device | |
| CN203039628U (en) | Silicon controlled rectifier motor driving structure | |
| CN113347766A (en) | Novel emergency lighting controller | |
| CN210244220U (en) | Electronic device | |
| CN203637649U (en) | Multifunctional police patrol car | |
| CN220962765U (en) | Power supply control circuit of LED display screen | |
| CN201813358U (en) | Electronic switch with fire protection urgent control function | |
| CN208209618U (en) | A kind of ups power maintenance system | |
| CN114078362A (en) | Display screen and electronic equipment | |
| CN201022154Y (en) | End dual-power automatic conversion switch control circuit | |
| WO2020206598A1 (en) | Post-outage operation mechanism for electronic display medium and application thereof | |
| CN219394484U (en) | Power supply system of automatic transfer switch | |
| CN104908643A (en) | Integrated control system for panoramic image and parking illumination of commercial vehicle | |
| CN205971642U (en) | Multi -functional panel for electric bicycle | |
| CN205680576U (en) | A kind of air switch safety isolating cap | |
| CN204101918U (en) | A kind of touch fire alarm linking controller |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |