CN109119020A - A kind of electricity-storage type LED display system and its display module structure - Google Patents
A kind of electricity-storage type LED display system and its display module structure Download PDFInfo
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- CN109119020A CN109119020A CN201810791689.2A CN201810791689A CN109119020A CN 109119020 A CN109119020 A CN 109119020A CN 201810791689 A CN201810791689 A CN 201810791689A CN 109119020 A CN109119020 A CN 109119020A
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- 238000004146 energy storage Methods 0.000 claims abstract description 68
- 238000007600 charging Methods 0.000 claims abstract description 50
- 230000002265 prevention Effects 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H02J7/027—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H02J2007/10—
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to LED display technical field, especially a kind of electricity-storage type LED display system and its display module structure.Wherein electricity-storage type LED display system includes control unit and at least one is controlled by the display unit of control unit；Each display unit includes display module and assembles the first energy-storage battery, the first charging protecting module and the first discharge prevention module being integrated with display module；First charging protecting module, the first discharge prevention module and display module distinguish controlled and control unit.The present invention comes with energy-storage travelling wave tube, in each display unit that battery pack is dispersed to LED display in the form of multiple energy-storage batteries, the power supply mode of existing LED display can be changed, be superior in terms of the deployment cost of energy conversion efficiency and display screen using battery pack make secondary voltage conversion power supply mode, it is easy to implement to promote, be conducive to social resources Optimum utilization, promoted economic benefit.
Description
Technical field
The present invention relates to LED display technical field, especially a kind of electricity-storage type LED display system and its display module knot
Structure.
Background technique
It is well known that LED display module is to form the basic unit of LED display, existing LED display module is usually
Using being set to after alternating current (that is: alternating current) is converted to direct current by the intracorporal exchange → DC power supplier of LED display screen
It is driven, the LED display module that lower piece of exchange → DC power supplier of usual situation can drive muti-piece to be arranged in parallel.It is such
The energy conversion efficiency for driving method of powering is low (generally below 85%), high failure rate, and alternating current (that is: alternating current) once occurs
After power failure, LED screen can cannot be shown because of power loss.
In order to solve the problems, such as that LED screen cannot be shown after mains failure, is proposed in industry and configure electricity for LED display
The mode that pond group is powered, it may be assumed that by battery pack output DC inverter be alternating current after (at this point, that is, with battery
Group is used as alternating current), recycle the intracorporal exchange → DC power supplier of LED display screen to convert alternating current to direct current to drive
Dynamic LED display module, to realize spare or Emergency use the purpose to alternating current.However, battery pack is answered as energy reserves
Mode is simultaneously not suitable for, firstly, the electric current of battery pack output after converting twice, efficiency is very low, and (overall efficiency is lower than
50%) waste of electric energy, is greatly caused；Secondly, when facing the LED display of tens to several hundred square metres, i.e., quite
In the electricity consumption load for facing tens to several hundred kilowatts, need to carry out battery pack to concentrate storage and conversion, to greatly increase
The deployment cost of LED display, and economic benefit is low.
Summary of the invention
In view of the deficiency of the prior art, the purpose of the present invention is to provide a kind of electricity-storage type LED display systems
And its display module structure.
To achieve the goals above, first technical solution that the present invention uses are as follows:
A kind of electricity-storage type LED display system, it includes a control unit and at least one is controlled by the display of control unit
Unit；Each display unit include a display module and with display module assembly be integrated the first energy-storage battery,
First charging protecting module and the first discharge prevention module；
One end of first charging protecting module is as first input end, the other end of first charging protecting module
It is electrically connected respectively with one end of the first energy-storage battery and the first discharge prevention module, the first discharge prevention module electrical connection
The other end is electrically connected with one end of display module, and the other end of first energy-storage battery and display module is inputted with second respectively
End electrical connection；
First charging protecting module, the first discharge prevention module and display module electrically connect with control unit respectively
It connects, and first charging protecting module, the first discharge prevention module and display module distinguish controlled and control unit.
Preferably, each display unit further includes a voltage comparison module, and the voltage comparison module is respectively with
The both ends of one energy-storage battery are electrically connected, and the voltage comparison module is electrically connected with first input end.
Preferably, it further includes a toroidal transformer, and the toroidal transformer includes a primary input terminal and multiple times
Grade output end, for the primary input terminal of the toroidal transformer for being electrically connected with city, each of described toroidal transformer is secondary defeated
Outlet is connected with the input terminal of at least one display unit.
Preferably, it is additionally provided between the secondary output end of each toroidal transformer and the input terminal of display unit complete
Each secondary output end of bridge rectification module and filter module, the toroidal transformer is sequentially connected full-bridge rectification module and filtering
It is connected after module with the input terminal of at least one display unit.
Preferably, described control unit includes sending card and at least one is used to receive the display data of sending card transmission
Receive card, each first charging protecting module and the first discharge prevention module are electrically connected with sending card and controlled respectively
In sending card, each reception card is electrically connected at least one display module and carries out display control to display module.
Preferably, each reception card is each equipped with to clamp with reception fills with the second energy-storage battery being integrated, second
Electric protection module and the second discharge prevention module, second energy-storage battery pass through the output of the second charging protecting module and alternating current
End is connected, the output end phase for receiving card and passing sequentially through the second discharge prevention module and the second charging protecting module with alternating current
Even.
Second technical solution that the present invention uses are as follows:
A kind of LED display module structure, it includes a display module and the first storage being integrated with display module assembly
It can battery, the first charging protecting module and the first discharge prevention module；It further includes being set to the back side of display module and aobvious
Show that projection of shape in mould group is in the structure cover board of class L shape in the structure wall of class " u "-shaped and a longitudinal section shape, it is described
The transverse top wall plate of structure wall is formed with one and compresses plate after bending downwards, the back side of the display module is provided with one and is located at
Waterproof detent between two longitudinal direction side sidings of structure wall, shape after the top of the longitudinal panels of the structure cover board is bent
Cheng Youyi is connected to the arm that compresses on the inner surface for compressing plate, and the lateral siding of the structure cover board is formed with one after bending and supports
Connect and be locked in the detent arm in waterproof detent, and the cross of the longitudinal edge of the longitudinal panels of the structure cover board and lateral siding
End face to edge respectively with the longitudinal panels of structure wall offsets；First energy-storage battery is locked in the longitudinal direction of structure cover board
On the inner surface of siding.
Preferably, on the inner surface of the longitudinal panels of the structure cover board and neighbouring position for compressing arm is provided at least one
A the first elastic electric connection being distributed relative to display module in front-rear direction, the back side of the display module are provided at least one
It is a to align the second elastic electric connection abutted one by one with the first elastic electric connection；
Described first elastic electric connection is by the first discharge prevention module and the first energy-storage battery is electrically connected and the second bullet
Property electric connection be directly directly electrically connected with the first energy-storage battery with display module electrical connection or the first elastic electric connection
And second elastic electric connection be electrically connected by the first discharge prevention module and display module.
Preferably, the described first elastic electric connection includes an elastomeric joint relative to display module in front-rear direction distribution
Portion, one are parallel to the buffering arm of display module distribution and are formed on the inner surface of the longitudinal panels of structure cover board and opposite
In the supporting arm part that display module is in front-rear direction distribution, the bottom end of the buffering arm and the rear end on elastic connecting head are linked as one
Body, top are locked on supporting arm part.
Preferably, the display module includes the first metal bottom shell and the display module that is embedded in the first metal bottom shell,
The structure wall and waterproof detent are respectively positioned on the back side of the first metal bottom shell and are integrally formed with the first metal bottom shell.
As the above scheme is adopted, the first energy-storage battery and display module assembly by way of being integrated by the present invention
And under the cooperation of the first discharge prevention module and the first charging protecting module integrally assembled with display module, it may make biography
Each base unit of pin-connected panel LED display in system meaning comes with power supply energy storage component；To with by battery pack with
The form that the form of multiple energy-storage batteries is dispersed in each basic display unit can thoroughly change the confession of existing LED display
Electric mode is superior to make the confession of secondary voltage conversion using battery pack in terms of the deployment cost of energy conversion efficiency and display screen
Electric mode, it is easy to implement to promote, be conducive to social resources Optimum utilization, promoted economic benefit while, realize electric energy conversion
Efficiency and the maximization for saving corresponding configuration resource.
Detailed description of the invention
Fig. 1 is the first connecting structure for electrical equipment schematic diagram of the LED display system of the embodiment of the present invention；
Fig. 2 is second of connecting structure for electrical equipment schematic diagram of the LED display system of the embodiment of the present invention；
Fig. 3 is the third connecting structure for electrical equipment schematic diagram of the LED display system of the embodiment of the present invention；
Fig. 4 is the reference view of the display cell structure of the embodiment of the present invention；
Fig. 5 is data/power sharing connecting line schematic layout pattern of the embodiment of the present invention；
Fig. 6 is the schematic layout pattern of the first energy-storage battery of the embodiment of the present invention；
In figure: 1, display unit；10, display module；101, the first metal bottom shell；102, display module；11, the first energy storage
Battery；12, the first charging protecting module；13, the first discharge prevention module；14, voltage comparison module；2, control unit；21, it sends out
Card feed；22, card is received；23, the second energy-storage battery；24, the second charging protecting module；25, the second discharge prevention module；26,
One self-test switch；27 and second self-test switch；3, host computer；4, toroidal transformer；41, full-bridge rectification module；42, mould is filtered
Block；50, structure wall；51, plate is compressed；60, structure cover board；61, arm is compressed；62, detent arm；70, waterproof detent；80, first
Elastic electric connection；81, elastic connecting head；82, arm is buffered；83, supporting arm part；90, the second elastic electric connection；100, data/
Power sharing socket；A, data/power sharing connecting line.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Figure 1 to Figure 3, a kind of electricity-storage type LED display system provided in this embodiment, it includes a control unit 2
The display unit 1 for being controlled by control unit 2 at least one (it is single to be equivalent to a basis through being assembled into the LED display of type
Member can be shown that multiple display units 1 can be assembled in a display screen box body, multiple after being powered and loading data
Display screen box body can be assembled into a large-scale LED display)；Wherein each display unit 1 include a display module 10 with
And the first energy-storage battery 11, the first charging protecting module 12 and the first discharge prevention module being integrated are assembled with display module 10
13 (the first charging protecting module 12 and the first discharge prevention module 13 can be according to the actual situation using technology maturations on the market at present
The corresponding function module)；One end of first charging protecting module 11 is as first input end, for being converted to alternating current
Output end connection after low pressure；The other end of first charging protecting module 12 is put with the first energy-storage battery 11 and first respectively
One end of electric protection module 13 is electrically connected, the other end of the first discharge prevention module 13 electrical connection and one end electricity of display module 10
The other end of connection, the first energy-storage battery 11 and display module 10 is electrically connected with the second input terminal respectively, for turn with alternating current
Another output connection after being changed to low pressure；First charging protecting module 12, the first discharge prevention module 13 and display mould
Group 10 is electrically connected with control unit 2 respectively, and the first charging protecting module 12, the first discharge prevention module 13 and display mould
Group 10 distinguishes controlled and control unit 2.
As a result, can by way of the first energy-storage battery 11 is integrated with the assembly of display module 10 and with display mould
Under the cooperation of the first discharge prevention module 12 and the first charging protecting module 13 that group 10 is integrally assembled, it may make in traditional sense
Each base unit of pin-connected panel LED display come with power supply energy storage component；As depicted in figs. 1 and 2, alternating current is by annular
Be converted into after transformer pressure-reducing rectification DC voltage can directly for each the first energy-storage battery 11 (i.e. E1, E2 in Fig. 2,
... En) and each display module 10 (i.e. LED1, LED2 in Fig. 2 ... LEDn) it is powered, so that alternating current is handed over
Galvanic electricity can charge by the first charging protecting module 12 to the first energy-storage battery 11 after Transformer Rectifier, and the first storage
Energy battery 11 can be then powered by the first discharge prevention module 13 to display module 10, in the process, using upper
Machine 3 simultaneously regulates and controls power supply process by control unit 2, such as: in alternating current peak period, being filled by the control of control unit 2 first
Electric protection module 12 is disconnected (during this, can be passed through using the first energy-storage battery 11 as the power supply of display module 10
Control cabinet closes alternating current, is reduced to the quiescent dissipation of alternating current zero)；For another example: the first charge protection mould is controlled by control unit 2
To display module 10 while the conducting of block 12 is to charge to the first energy-storage battery 11 using the direct current converted from alternating current
It is powered (at this point, display module 10 is through the first charging protecting module 12 and the first discharge prevention module 13 under on-state
It is in parallel with the first energy-storage battery 11, so that it is powered the first energy-storage battery 11 while charging to display module 10, the
One energy-storage battery 11 is in the state for putting down electricity and weak charging gently, is conducive to the performance and extension that keep the first energy-storage battery 11 in this way
Service life), the continuously display of LED display module or display screen is determined by the electricity of the first energy-storage battery of real-time monitoring 11
Time, Time-sharing control battery charging and discharging, optimization electricity consumption period etc..Preferably, being convenient for control unit 2 to the first charger
It protects module 12 and the first discharge prevention module 13 carries out switch control 13 and carries out display control to display module 10, carrying out
When assembly, (as shown in Figure 1) can pass through the first charging protecting module 12, the first discharge prevention module 13 and display module 10
Data/power sharing connecting line a is attached with control unit 2, and control unit 2 can be a data control card and such as calculate
The host computers such as machine 3 are attached, so that host computer 3 can put the first charging protecting module 12 and first by data control card
Electric protection module 13 carries out switch control, and carries out display control to LED display module 10.
More importantly due to existing LED display be while being powered using alternating current inversion, by for
The battery pack that LED display configured in one piece is concentrated is used as emergency standby power, and direct current provided by battery pack can pass through twice
Voltage conversion, not only significantly reduces energy conversion efficiency, and substantially increase corresponding deployment cost (such as cable
Deng)；And the structure type of the LED display module based on the present embodiment is realized and is divided battery pack in the form of multiple energy-storage batteries
(i.e. display unit 1) is dissipated in each base unit, so as to thoroughly change the power supply mode of existing LED display, from energy
It is superior to make the power supply mode of secondary voltage conversion using battery pack in terms of the deployment cost of source transfer efficiency and display screen；Easy
While practice and extension, being conducive to social resources Optimum utilization, promoting economic benefit, realizes energy conversion efficiency and save phase
The maximization of resource should be configured.
In order to prevent energy-storage battery from overcharging when energy-storage battery is fully charged, each display of (as shown in Figure 2) the present embodiment
Unit 1 further includes a voltage comparison module 14, and voltage comparison module 14 is electrically connected with the both ends of the first energy-storage battery 11 respectively, electricity
Pressure comparison module 14 is electrically connected with input terminal.Voltage comparison module 14 can be according to the actual situation using current skill existing on the market
The corresponding function module of art maturation, as shown in Fig. 2, voltage comparison module 14 include comparison resistance (i.e. R1,
R2...Rn etc.), comparison resistance constitutes the voltage comparator of the first energy-storage battery 11, when voltage comparison module 14 detects first
When 11 both end voltage of energy-storage battery is identical as the voltage value of input terminal (energy-storage battery is full of), voltage comparison module 14 will be closed
The charge function for closing the first energy-storage battery 11 prevents from overcharging.
It for the ease of being depressured to alternating current, and can be powered simultaneously for multiple display units 1, sheet (as shown in Figure 2)
The LED display system of embodiment further includes a toroidal transformer 4, and wherein toroidal transformer 4 includes primary input terminal and more
A secondary output end, the primary input terminal of toroidal transformer 4 with city for being electrically connected, the secondary output of each of toroidal transformer 4
End is connected with the input terminal of at least one display unit 1.It, can according to actual needs, by multiple display units 1 when concrete application
It is assembled in a LED box (not shown), then is assembled into large-scale LED display by multiple LED boxes；At each
One toroidal transformer 4 is set in LED box, and 4 secondary output end of toroidal transformer is set as multiple groups, and every group of secondary output end is again
A settable breakout, docks each breakout with multiple display units 1, to be multiple
Display unit is powered simultaneously.Preferably, the secondary output end of toroidal transformer 4 is set as no more than 4 groups, each secondary
The breakout quantity of output end is set as no more than 4 groups (i.e. preferably to the first energy storage in the display unit 1 no more than four groups
Battery 11 charges, and efficient lithium battery can be used in the first energy-storage battery 11), since toroidal transformer 4 itself is up to 95%
The efficiency for charge-discharge of transfer efficiency and efficient lithium battery is up to 98%, therefore the theoretical conversion efficiencies of entire LED display system are reachable
93%, hence it is evident that higher than 85% transfer efficiency of existing Switching Power Supply routine, energy-saving effect is obvious, while toroidal transformer 4
Power factor is higher than Switching Power Supply, and reactive power is few, more conducively the energy conservation of net electricity.
In order to be able to carry out preliminary rectification and filtering after being depressured alternating current, to provide a Gao Pin for display unit 1
The DC power supply of matter, the input of the secondary output end and display unit 1 of each toroidal transformer 4 of (as shown in Figure 2) embodiment
Full-bridge rectification module 41 and filter module 42 are additionally provided between end, each secondary output end of toroidal transformer 4 is sequentially connected
It is connected after full-bridge rectification module 41 and filter module 42 with the input terminal of at least one display unit 1.Alternating current is passing through ring as a result,
After shape transformer 4 is depressured, it is whole that the progress full-bridge of full-bridge rectification module 41 is first passed through from each secondary output end of toroidal transformer 4
Stream eliminates intermediate frequency square wave harmonic wave, the interference for avoiding intermediate frequency square wave harmonic wave from conducting power grid, so that the electromagnetic space to power grid carries out
Purification is the first energy-storage battery 11 in each display unit 1 and display after carrying out low-and high-frequency filtering using filter module 42
Mould group 10 is powered；Pass through the first charging protecting module 12 and the first discharge prevention module in each display unit 1 simultaneously
13 cooperation carries out rectifying and wave-filtering again to the DC power supply after rectification, so as to for the first energy-storage battery 11 and show
Show mould group 10 provide low internal resistance, high current, low ripple, high-quality DC power supply effect, it can be achieved that discharge because power supply generate
Electromagnetic radiation and Conduction Interference.
For the ease of separating progress to the first charging protecting module 12 and the first discharge prevention module 13 and display module 10
Control, the control unit 2 of (as shown in Figure 2) the present embodiment includes sending card 21 and at least one is transmitted for receiving sending card 21
Display data reception card 22, wherein each first charging protecting module 12 and the first discharge prevention module 13 respectively with hair
Card feed 21, which is electrically connected, is simultaneously controlled by sending card 21, each receptions card 22 at least one display module 10 electric connection and right
Display module 10 carries out display control.Thus, it is possible to be filled simultaneously to first in multiple display units 1 using a sending card 21
Electric protection module 12 and the first discharge prevention module 13 carry out switch control, thus to the charging and discharging state of the first energy-storage battery 11
Control and the power supply mode of display module 10 is controlled；Meanwhile the hair of sending card 21 is received using card 22 is received
The display information data sent, and display control is carried out to the display module 10 in multiple display units 1 simultaneously.When concrete application,
One sending card 21 (being controlled using host computer 3 sending card 21) can be set according to the actual situation, and in each LED box
Inside it is respectively provided with a reception card 22；In this way, then can be achieved to carry out the display unit 1 in each LED box individually for automatically controlled
System and display control, while whole power supply control and display control can be carried out to large LED display screen again.
In order to be equipped with corresponding power supply energy storage component, (as shown in Figure 2) this implementation to the reception card 22 in each LED box
Each reception card 22 of example is each equipped with and receives the second energy-storage battery 23, the second charging protecting module for blocking 22 assembly and being integrated
24 and second discharge prevention module 25, the second energy-storage battery 23 pass through the output end phase of the second charging protecting module 24 and alternating current
Even, reception card 22 passes sequentially through the second discharge prevention module 25 and the second charging protecting module 24 is connected with the output end of alternating current.
The reception card 22 in each LED box is equipped with as a result, is powered by correspondingly the second energy-storage battery 23, and equipped with corresponding
Ground the second charging protecting module 24 and the second discharge prevention module 25 carry out charge and discharge protecting；So in the state of no alternating current,
Entire large LED display screen can also carry out display operation, thus can create precedent of the large-size screen monitors without city's electricity operation.
In practical applications, (as shown in Figure 3) LED display system of the invention can also by Fig. 3 it is easy in a manner of carry out
Realize: one piece of energy-storage battery of configuration is as 23 and 10 (i.e. LED1~LEDn of display module of reception card i.e. in a LED box
Deng) shared power supply, control flow and principle are same as above.The advantages of this power supply mode is that configuration is simple, at low cost, especially
The compact LED display screen shorter suitable for the continuously display time uses.
Self-test and maintenance are carried out for the ease of the display module 10 in each LED box, (as shown in Figure 2) the present embodiment
It receives card 23 and is also configured with correspondingly the first self-test switch 26 and the second self-test switch 27, the first self-test switch 26 and the second self-test
One end of switch 27 passes through the second charging protecting module 24 respectively and is electrically connected with card 23 is received, the first self-test switch 26 and second
The other end of self-test switch 27 is electrically connected with sending card 21 respectively.From there through being manually pressed by the first self-test switch 26 and second
When self-test switch 27, LED display module 10 can charge display, and operation self-checking function can be started by receiving card 23, to detect manually
The working condition of each LED box.
Based on the above electricity-storage type LED display system, in order to optimize the knot for the display unit 1 for coming with power supply energy-storage travelling wave tube
Structure, in order to which display unit 1 carries out assembly；As shown in Figure 4-Figure 6, the embodiment of the invention also provides a kind of LED display modules
Structure, it includes a display module 10 and assembles the first energy-storage battery 11, the first charger being integrated with display module 10
Protect module 12 and the first discharge prevention module 13；It further includes being set to the back side of display module 10 and in display module 10
Projection of shape is in class L shape in the structure wall 50 of class " u "-shaped (can be understood as being analogous to U-shaped) and a longitudinal section shape
The structure cover board 60 of (can be understood as being analogous to L shape) is formed after the transverse top wall plate of structure wall 50 is bent downwards
There is one to compress plate 51, is provided in the back side of display module 10 anti-between two longitudinal direction side sidings that one is located at structure wall 50
Water detent 70 correspondingly after the top of the longitudinal panels of structure cover board 60 is bent is formed with one and is connected to and compress plate 51
Arm 61 is compressed on inner surface, an abutting is formed with after the lateral siding of structure cover board 60 is bent and by screw etc.
Connector is locked in the detent arm 62 in waterproof detent 70, meanwhile, the longitudinal edge and transverse direction of the longitudinal panels of structure cover board 60
The widthwise edge of siding offsets along the end face respectively with the longitudinal panels of structure wall 50；And the first energy-storage battery 11 is then locked in knot
On the inner surface of the longitudinal panels of structure cover board 60, data/power sharing connecting line a is then by between waterproof detent 70 and detent arm 62
It draws.Structure cover board 60 and structure wall 50 will be assembled using lever principle as a result, and make display module 10, structure
Wall 50, structure cover board 60 and waterproof detent 70 enclose a closed space, it may be assumed that utilize two longitudinal walls of structure wall 50
Plate as the inner surface supporting element of structure cover board 60, using compressing plate 51 as the limit of outer surface one end of structure cover board 60
Part, detent arm 62 and waterproof detent 70 are carried out it is sealed after, portion that structure cover board 60 can be made to be in contact with structure wall 50
Position is fitted closely, to form the space of a relative closure；It and then can be the first energy-storage battery 11 together with structure cover board
60 make the disassembly assembly of integral type, while being data/power sharing connecting line a assembly connection, the assembly of protective module etc.
Convenience is provided.
For can rapidly will be between the components such as the first energy-storage battery 11, display module 10, battery charge and discharge protection module
It is quickly electrically connected or is dismantled, based on the assembly method between structure cover board 60 and structure wall 50, in structure cover board
On the inner surface of the 60 longitudinal panels and neighbouring position for compressing arm 61 is provided with before at least one is in relative to display module 10
The elastic electric connection 80 of the first of rear direction distribution is correspondingly provided at least one and the first bullet in the back side of display module 10
Property electric connection 80 align the second elastic electric connection 90 of abutting one by one；Wherein, it can be used if under type is by the first discharge prevention mould
Block 13 carries out electrical connection setting, such as: the first elastic electric connection 80 passes through the first discharge prevention module 13 and the first energy-storage battery
11 electrical connections and the second elastic electric connection 90 are directly electrically connected with display module 10 or the first elastic electric connection 80 is direct
With the electrical connection of the first energy-storage battery 11 and the second elastic electric connection 90 then passes through the first discharge prevention module 13 and display module
10 electrical connections；Meanwhile the back side of display module 10 and be located at structure wall 50 profile in be additionally provided with a data/
Power sharing socket 100, wherein can be used and the first charging protecting module 12 is subjected to electrical connection setting such as under type, such as: number
It is connected according to the power distribution cable of/power sharing socket 100 with the first charging protecting module 12, one end of data branch line is respectively with first
Charging protecting module 12 is connected with the first discharge prevention module 13；One end of data/power sharing connecting line a power distribution cable and
One end of data branch line is connected to each other with the power connector and data connector on data/power sharing socket 100 respectively.It is sharp as a result,
It can be assemblied on display unit 1 for data/power sharing connecting line a with the data of setting/power sharing socket 100 and convenience is provided
Structural condition, thereafter, after recycling the connectors such as screw that waterproof detent 70 and detent arm 62 are locked, Ji Ke
Abut the first elastic electric connection 80 with the second elastic contraposition of electric connection 90, to realize aobvious
Show that mould group 10 and the contact of the equal components of the first energy-storage battery 11 are powered；And the quantity of electric connection can then be selected as needed,
Such as it is used in combination for more.
As a preferred embodiment, before the elastic electric connection 80 of the first of the present embodiment is in relative to display module 10 including one
The elastic connecting head 81, one of rear direction distribution is parallel to the buffering arm 82 of the distribution of display module 10 and is formed in structure cover board
It is in the supporting arm part 83 of front-rear direction distribution on the inner surface of 60 longitudinal panels and relative to display module 10, wherein buffering
The bottom end of arm 82 with the rear end on elastic connecting head 81 is linked together, top is locked on supporting arm part 83.
In addition, to enhance the adaptive capacity to environment of entire LED display unit 1, such as heat dissipation performance, the present embodiment is shown
Show that mould group 10 includes the first metal bottom shell 101 being made by metal materials such as aluminium and is embedded in the first metal bottom shell
Display module 102 in 101, and structure wall 50 and waterproof detent 70 are respectively positioned on the back side of the first metal bottom shell 101 and with
One metal bottom shell 101 is integrally formed.Meanwhile structure cover board 60 can be also made by metal materials such as aluminium, and at it
Back side is provided with radiating fin.It is effectively improved while protection effect of the enhancing to module internal component to such as with this
The heat dissipation effect of the heat producing components such as the first energy-storage battery 11.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of electricity-storage type LED display system, it is characterised in that: it includes a control unit and at least one is controlled by control list
The display unit of member；Each display unit includes a display module and the first storage being integrated with display module assembly
It can battery, the first charging protecting module and the first discharge prevention module；
Distinguish as first input end, the other end of first charging protecting module one end of first charging protecting module
It is electrically connected with one end of the first energy-storage battery and the first discharge prevention module, first discharge prevention module is electrically connected another
End is electrically connected with one end of display module, and the other end of first energy-storage battery and display module is electric with the second input terminal respectively
Connection；
First charging protecting module, the first discharge prevention module and display module are electrically connected with control unit respectively,
And first charging protecting module, the first discharge prevention module and display module distinguish controlled and control unit.
2. a kind of electricity-storage type LED display system as described in claim 1, it is characterised in that: each display unit also wraps
A voltage comparison module is included, the voltage comparison module is electrically connected with the both ends of the first energy-storage battery respectively, and the voltage compares
Module is electrically connected with first input end.
3. a kind of electricity-storage type LED display system as described in claim 1, it is characterised in that: it further includes a toroidal transformer,
The toroidal transformer includes a primary input terminal and multiple secondary output ends, and the primary input terminal of the toroidal transformer is used
It is electrically connected in city, each secondary output end of the toroidal transformer is connected with the input terminal of at least one display unit.
4. a kind of electricity-storage type LED display system as claimed in claim 3, it is characterised in that: each toroidal transformer
Full-bridge rectification module and filter module, the toroidal transformer are additionally provided between secondary output end and the input terminal of display unit
Each secondary output end be sequentially connected the input terminal phase after full-bridge rectification module and filter module at least one display unit
Even.
5. a kind of electricity-storage type LED display system as described in claim 1, it is characterised in that: described control unit includes sending
Card and at least one be used to receive the reception card of the display data of sending card transmission, each first charging protecting module and the
One discharge prevention module is electrically connected respectively with sending card and is controlled by sending card, each reception card and at least one
Display module is electrically connected and carries out display control to display module.
6. a kind of electricity-storage type LED display system as claimed in claim 5, it is characterised in that: each reception card configures
Have and clamps with the second energy-storage battery, the second charging protecting module and the second discharge prevention module that are integrated with receiving, described the
Two energy-storage batteries are connected by the second charging protecting module with the output end of alternating current, and the reception card passes sequentially through the second electric discharge guarantor
Shield module and the second charging protecting module are connected with the output end of alternating current.
7. a kind of LED display module structure, it is characterised in that: it includes a display module and is integrated with display module assembly
The first energy-storage battery, the first charging protecting module and the first discharge prevention module；It further includes the back for being set to display module
Side and projection of shape in display module are in the structure of class L shape in the structure wall of class " u "-shaped and a longitudinal section shape
Cover board, the transverse top wall plate of the structure wall are formed with one and compress plate after bending downwards, the back side of the display module is set
The waterproof detent being equipped between two longitudinal direction side sidings that one is located at structure wall, the top of the longitudinal panels of the structure cover board
An arm that compresses being connected on the inner surface for compressing plate is formed with after bending, after the lateral siding of the structure cover board is bent
The detent arm for being formed with an abutting and being locked in waterproof detent, and the longitudinal edge and cross of the longitudinal panels of the structure cover board
It offsets to the widthwise edge of siding along the end face respectively with the longitudinal panels of structure wall；First energy-storage battery is locked in structure
On the inner surface of the longitudinal panels of cover board.
8. a kind of LED display module structure as claimed in claim 7, it is characterised in that: the longitudinal panels of the structure cover board
Inner surface on and to be provided at least one relative to display module be in the first of front-rear direction distribution for the neighbouring position for compressing arm
Elastic electric connection, the back side of the display module are provided at least one and align second abutted one by one with the first elastic electric connection
Elastic electric connection；
Described first elastic electric connection is electrically connected by the first discharge prevention module and the first energy-storage battery and the second elasticity electricity
Connector is directly directly electrically connected with the first energy-storage battery with display module electrical connection or the first elastic electric connection and the
Two elastic electric connections are electrically connected by the first discharge prevention module and display module.
9. a kind of LED display module structure as claimed in claim 8, it is characterised in that: the described first elastic electric connection includes
One relative to display module in front-rear direction distribution elastic connecting head, one be parallel to display module distribution buffering arm and
It is formed on the inner surface of the longitudinal panels of structure cover board and is in the supporting arm part that front-rear direction is distributed, institute relative to display module
It states the bottom end of buffering arm and the rear end on elastic connecting head is linked together, top is locked on supporting arm part.
10. a kind of LED display module structure as claimed in claim 7, it is characterised in that: the display module includes the first gold medal
The display module for belonging to bottom case and being embedded in the first metal bottom shell, the structure wall and waterproof detent are respectively positioned on the first metal bottom
The back side of shell is simultaneously integrally formed with the first metal bottom shell.
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| CN201810791689.2A CN109119020A (en) | 2018-07-18 | 2018-07-18 | A kind of electricity-storage type LED display system and its display module structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810791689.2A CN109119020A (en) | 2018-07-18 | 2018-07-18 | A kind of electricity-storage type LED display system and its display module structure |
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