CN104112403A - Front maintenance method for LED modules on LED display screen and LED display screen with front maintenance method for LED modules on LED display screen - Google Patents
Front maintenance method for LED modules on LED display screen and LED display screen with front maintenance method for LED modules on LED display screen Download PDFInfo
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- CN104112403A CN104112403A CN201410311108.2A CN201410311108A CN104112403A CN 104112403 A CN104112403 A CN 104112403A CN 201410311108 A CN201410311108 A CN 201410311108A CN 104112403 A CN104112403 A CN 104112403A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 title abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 60
- 229910052742 iron Inorganic materials 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 230000005291 magnetic effect Effects 0.000 claims description 14
- 230000005294 ferromagnetic effect Effects 0.000 claims description 13
- 239000012634 fragment Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 206010058109 Hangnail Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The invention relates to the technical field of LED display screens, and provides a front maintenance method for LED modules on a LED display screen. At least one electromagnet assembly is correspondingly arranged between each LED module and a bottom shell of the LED display screen and powered on, adsorption force between the LED modules at the corresponding positions and the bottom shell is eliminated, and then the LED modules can be taken down from the front portion of the LED display screen for maintenance. By means of the front maintenance method, the small-dot-distance LED display screen and the small-dot-distance LED modules are conveniently maintained. The invention further provides the LED display screen, at least one LED module is installed on the bottom shell of the LED display screen, and one electromagnet assembly used for fixedly connecting the corresponding LED module and the bottom shell when power is off and used for separating the corresponding LED module and the bottom shell when power is on are arranged between each LED module and the bottom shell of the LED display screen. The LED display screen can be suitable for assembling and disassembling the various-dot-distance LED modules, is not limited by the dot distances, is simple in structure and convenient to maintain, and cannot damage a screen body and injure the human body.
Description
Technical field
The present invention relates to the technical field of LED display, especially relate to the front maintaining method of LED module in a kind of LED display and the LED display of employing the method.
Background technology
Along with the development of display screen technology, display applications field is more and more wider.High-definition display screen demand is more and more, and large-scale display screen is subject to user's favor just gradually.The trend of LED display industry development is simple in structure, installation, easy to maintenance.
In prior art, general rear maintenance mode or the front maintenance mode of adopting of large LED display screen.Rear maintenance mode is exactly that maintenance work is carried out after display screen, and front maintenance mode is that maintenance work is carried out from the front of display screen.
For the front mounting means of safeguarding of LED display, conventionally adopt the mode of magnet adsorption and instrument gripping to realize.Mode of safeguarding before it is: show on module iron block is installed at LED, at LED display case, magnet is installed with it, make LED show that module is adsorbed on it LED display case by magnetic force.The instrument that takes out module is a kind of hangnail type thin slice instrument, the gap between this insertion module, withstands LED module by hangnail, thereby LED module is pulled out; Or LED is shown to the magnet on module packs in the cavity on LED demonstration module, magnet can move in cavity, and use the maintenance tool of strong magnetic force, maintenance tool shows that to LED the magnet on module produces very strong suction, the suction that overcomes this magnet adsorption case body moves magnet in cavity, away from case body, near maintenance tool, thereby take out module.
But dot spacing is in the LED display of 3mm and the little dot spacing below 3mm, because gap between high density LED display module is very little, the instrument of getting LED demonstration module cannot insert the gap between module, thereby cannot realize the front maintenance of LED display; In the time that the maintenance tool by strong magnetic force shows that to LED module takes out, on LED demonstration module, movably magnet can slap against on the inwall of cavity, very easily damage LED and show module and this magnet, moreover, the powerful suction that the maintenance tool of strong magnetic force produces, also easily damage LED lamp, it is near the iron content object of absorption easily, also can damage human body.
Summary of the invention
Technical matters to be solved by this invention is to provide the front maintaining method of LED module in a kind of LED display, is intended to solve in prior art, is not easy to adopt the problem of front maintenance mode because the restriction of dot spacing makes LED display.
The present invention is achieved in that the front maintaining method of LED module in LED display, corresponding at least one electromagnet assembly that is provided with between the drain pan of LED module and described LED display described in each, each described electromagnet assembly can produce absorption affinity in off-position between the described LED module of correspondence and described drain pan, make to be fixedly connected with between described LED module and described drain pan, described electromagnet assembly is switched on, absorption affinity between described LED module and described drain pan in relevant position is eliminated, take off described LED module safeguards in the front of LED display again.
Further, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the iron block on described drain pan correspondence position; Described the first electromagnet forms magnetic field and described iron block is produced to absorption affinity in the time of power-off, and then described LED module is fixed on described drain pan; In the time of energising, magnetic field on described the first electromagnet disappears and takes off, described the first electromagnet is eliminated described iron block absorption affinity, the thrust of the elastic component arranging between by described drain pan and described LED module is released described LED module, and the absorption affinity that described the first electromagnet produces described iron block in the time of power-off is much larger than the thrust of described elastic component.
Further, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the second ferromagnetic iron on described drain pan correspondence position; In the time of power-off, on described the first electromagnet both ends adjacent with described the second ferromagnetic iron, form different polarity and produce to each other absorption affinity, and then described LED module is fixed on described drain pan; In the time of energising, the magnetic direction of described the first electromagnet changes, described the first electromagnet is changed near the polarity of one end of described the second ferromagnetic iron, thereby make to form on both ends that described the first electromagnet is adjacent with described the second ferromagnetic iron the polarity communicating and produce to each other repulsive force, and then making described LED module depart from described drain pan.
Another object of the present invention is to provide a kind of LED display, it comprises a drain pan, described drain pan is provided with LED module described at least one, wherein, while being provided with power-off between each described LED module and the drain pan of described LED display, make described LED module and described drain pan be fixedly connected with the electromagnet assembly that described LED module is separated when switching on described drain pan.
Further, each described LED module comprises LED display unit and casing, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described casing and is arranged on the iron block on described drain pan correspondence position, on described drain pan, also correspondence is provided with elastic component, the absorption affinity of described the first electromagnet is much larger than the elastic force of described elastic component, and in the time of power-off, compresses described elastic component.
Further, be also provided with the control circuit element of controlling described the first electromagnet energising and power-off on described LED display unit, described the first electromagnet is electrically connected by power cable and described control circuit element.
Further, described power cable is arranged on described LED display unit by patching member.
Further, described elastic component is spring or shell fragment.
Further, each described LED module comprises LED display unit and casing, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the second ferromagnetic iron on described drain pan correspondence position, one end face of described the first electromagnet and an end face of described the second electromagnet are opposite setting, between described the first electromagnet end adjacent with described the second electromagnet in the time of energising polarity identical and during in power-off polarity contrary.
Further, on described LED display unit, be also provided with the control circuit element of controlling described the first electromagnet energising and power-off, described the first electromagnet is electrically connected by power cable and described control circuit element, and described power cable is arranged on described LED display unit by patching member
Be compared with the prior art, front maintaining method provided by the invention is convenient to safeguard the maintenance to LED display and LED module.LED display provided by the invention, can be applicable to the installation and removal of the LED module of various dot spacings, is not subject to the restriction of dot spacing, and it is simple in structure, and is convenient to safeguard, and can not damage screen body and human body.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the LED display that provides of first embodiment of the invention;
Fig. 2 is the schematic perspective view of the LED display that provides of second embodiment of the invention.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with concrete accompanying drawing, realization of the present invention is described in detail.
As shown in Figure 1 to Figure 2, be two preferred embodiments provided by the invention.
The front maintaining method of LED module 1 in LED display provided by the invention, corresponding at least one electromagnet assembly 3 that is provided with between the drain pan 2 of each LED module 1 and LED display, electromagnet assembly 3 is switched on, this electromagnet assembly 3 does not produce absorption affinity under "on" position, like this, LED module 1 can be arranged on to position corresponding in LED display, after installing, to electromagnet assembly 3 power-off, this electromagnet assembly 3 can form magnetic field and produce powerful absorption affinity under power failure state, thereby LED module 1 is fastened in LED display; While maintenance before need to carrying out LED screen, the electromagnet assembly 3 between the LED module 1 of locating LED display and need to safeguard is switched on, treat that the absorption affinity of electromagnet assembly 3 is eliminated, can take off LED module 1 in the front of LED display, and safeguard.
The front maintaining method of LED module 1 in above-mentioned LED display, by the energising to electromagnet assembly 3 and power-off control, changes the annexation of LED module 1 and LED display.Like this, this front maintaining method is applicable to the LED display of various dot spacings, is not subject to the restriction of dot spacing, has reduced LED display flatness, display effect and the impact on gap between LED module 1; And this front maintaining method also can not cause damage to LED screen and human body; Moreover in LED display, the electromagnet assembly 3 of fixed L ED module 1 is place's off-position, therefore this characteristic makes electromagnet assembly 3 can save electricity consumption, is conducive to improve environmental protection, and reduces job costs,
The present invention also provides LED display, it comprises a drain pan 2, drain pan 2 is provided with at least one LED module 1, wherein, while being provided with power-off between each LED module 1 and the drain pan 2 of LED display, make LED module 1 and drain pan 2 be fixedly connected with the electromagnet assembly 3 that LED module 1 is separated when switching on drain pan 2.
Above-mentioned LED display, can be applicable to the installation and removal of the LED module 1 of various dot spacings, is not subject to the restriction of dot spacing, and it is simple in structure, and is convenient to safeguard; Above-mentioned LED display, when installation and removal LED module 1, can not have influence on flatness, module gap and the display effect of LED display; And LED display is carried out to front maintenance, without ferromagnetism components and parts, can not damage screen body and human body; Moreover in LED display, the electromagnet assembly 3 of fixed L ED module 1 is place's off-position, therefore this characteristic makes electromagnet assembly 3 can save electricity consumption, is conducive to improve environmental protection, and reduces job costs,
Embodiment mono-
Fig. 1 shows the first concrete structure that adopts the present invention to adopt the LED display of the front maintaining method of LED module 1 in LED display.LED display, comprise by LED module 1, control card/control system, power supply and the drain pan 2 of certain way splicing, multiple LED modules 1 are arranged on drain pan 2, wherein, while being provided with a power-off between each LED module 1 and the drain pan 2 of LED display, make LED module 1 and drain pan 2 be fixedly connected with the electromagnet assembly 3 that LED module 1 is separated when switching on drain pan 2.Each LED module 1 comprises LED display unit and casing.Electromagnet assembly 3 comprises first electromagnet 31, iron block 32 and (certain for controlling the control circuit element 33 of the first electromagnet 31 energisings and power-off, the quantity of the first electromagnet 31 and iron block 32 can increase according to actual needs in pairs), the first electromagnet 31 is arranged in the side of casing near the drain pan 2 of upper LED display, the first electromagnet 31 is electrically connected by power cable 34 and control circuit element 33, power cable 34 is arranged on LED display unit by patching member 35, patching member 35 can be electric wire cable 34 can be fixed on to all connectors on LED display unit in prior art.Iron block 32 is arranged on the position corresponding with this first electromagnet 31 on the drain pan 2 of LED display by fixture, on the drain pan 2 of LED display, in the position of LED module 1 correspondence, elastic component 4 is also installed, elastic component 4 is spring or shell fragment, and the absorption affinity power producing when the first electromagnet 31 power-off is much larger than the elastic force of elastic component 4.The first electromagnet 31 forms magnetic field and iron block 32 is produced to absorption affinity in the time of power-off, and then LED module 1 is fixed on drain pan 2, and the first electromagnet 31 compresses elastic component 4 in the time of power-off, elastic component 4 is tightened and have towards the thrust in LED display front; In when energising, the magnetic field on the first electromagnet 31 disappears and takes off, and the first electromagnet 31 is eliminated iron block 32 absorption affinities, and the thrust of the elastic component 4 of setting is released LED module 1 between by drain pan 2 and LED module 1.
Embodiment bis-
Fig. 2 shows the second concrete structure that adopts the present invention to adopt the LED display of the front maintaining method of LED module 1 in LED display.LED display, it comprises a drain pan 2, drain pan 2 is provided with multiple LED modules 1, wherein, makes LED module 1 and drain pan 2 be fixedly connected with the electromagnet assembly 3 that LED module 1 is separated when switching on drain pan 2 between each LED module 1 and the drain pan 2 of LED display while being provided with a power-off.Each LED module 1 comprises LED display unit and casing.Electromagnet assembly 3 comprises first electromagnet 31, second electromagnet 36, be used for controlling the control circuit element 33 of the first electromagnet 31 power on/off (certainly, the quantity of the first electromagnet 31 and the second electromagnet 36 can increase according to actual needs in pairs), one end face of one end face of the first electromagnet 31 and the second electromagnet 36 is opposite setting, the first electromagnet 31 is arranged in the side of casing near the drain pan 2 of upper LED display by its other end, the first electromagnet 31 is electrically connected by power cable 34 and control circuit element 33, power cable 34 is arranged on LED display unit by patching member 35.The second electromagnet 36 is arranged on the position corresponding with this first electromagnet 31 on the drain pan 2 of LED display by its other end.Between the first electromagnet 31 end adjacent with the second electromagnet 36 in the time of energising polarity identical and during in power-off polarity contrary.
In the time of power-off, on the first electromagnet 31 both ends adjacent with the second ferromagnetic iron, form different polarity and produce to each other absorption affinity, and then LED module 1 is fixed on drain pan 2; In the time of energising, the magnetic direction of the first electromagnet 31 changes, the first electromagnet 31 is changed near the polarity of one end of the second ferromagnetic iron, thereby make to form on both ends that the first electromagnet 31 is adjacent with the second ferromagnetic iron the polarity communicating and produce to each other repulsive force, and then making LED module 1 depart from drain pan 2.
Above-mentioned the first electromagnet 31 and the first electromagnet 31 adopt dead electricity sucked type electromagnet, and its model is CPH type.Adopt the working method with common sucked type electromagnet inverse state.Produce powerful absorption affinity at power failure state lower electromagnet, and do not produce absorption affinity at "on" position lower electromagnet.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace or improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the front maintaining method of LED module in a LED display, it is characterized in that: corresponding at least one electromagnet assembly that is provided with between the drain pan of LED module and described LED display described in each, each described electromagnet assembly can produce absorption affinity in off-position between the described LED module of correspondence and described drain pan, make to be fixedly connected with between described LED module and described drain pan, described electromagnet assembly is switched on, absorption affinity between described LED module and described drain pan in relevant position is eliminated, take off described LED module safeguards in the front of LED display again.
2. the front maintaining method of LED module in LED display according to claim 1, is characterized in that: described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the iron block on described drain pan correspondence position; Described the first electromagnet forms magnetic field and described iron block is produced to absorption affinity in the time of power-off, and then described LED module is fixed on described drain pan; In the time of energising, magnetic field on described the first electromagnet disappears and takes off, described the first electromagnet is eliminated described iron block absorption affinity, the thrust of the elastic component arranging between by described drain pan and described LED module is released described LED module, and the absorption affinity that described the first electromagnet produces described iron block in the time of power-off is much larger than the thrust of described elastic component.
3. the front maintaining method of LED module in LED display according to claim 1, is characterized in that: described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the second ferromagnetic iron on described drain pan correspondence position; In the time of power-off, on described the first electromagnet both ends adjacent with described the second ferromagnetic iron, form different polarity and produce to each other absorption affinity, and then described LED module is fixed on described drain pan; In the time of energising, the magnetic direction of described the first electromagnet changes, described the first electromagnet is changed near the polarity of one end of described the second ferromagnetic iron, thereby make to form on both ends that described the first electromagnet is adjacent with described the second ferromagnetic iron the polarity communicating and produce to each other repulsive force, and then making described LED module depart from described drain pan.
4. one kind adopts described in claim 1 LED display of the front maintaining method of LED module in LED display, it comprises a drain pan, described drain pan is provided with LED module described at least one, it is characterized in that: be provided with power-off between each described LED module and the drain pan of described LED display time, make described LED module and described drain pan be fixedly connected with the electromagnet assembly that described LED module is separated when switching on described drain pan.
5. LED display according to claim 4, it is characterized in that: each described LED module comprises LED display unit and casing, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described casing and is arranged on the iron block on described drain pan correspondence position, on described drain pan, also correspondence is provided with elastic component, the absorption affinity of described the first electromagnet is much larger than the elastic force of described elastic component, and in the time of power-off, compresses described elastic component.
6. LED display according to claim 5, it is characterized in that: on described LED display unit, be also provided with the control circuit element of controlling described the first electromagnet energising and power-off, described the first electromagnet is electrically connected by power cable and described control circuit element.
7. LED display according to claim 6, is characterized in that: described power cable is arranged on described LED display unit by patching member.
8. according to the LED display described in claim 5 to 7 any one, it is characterized in that: described elastic component is spring or shell fragment.
9. LED display according to claim 4, it is characterized in that: each described LED module comprises LED display unit and casing, described electromagnet assembly comprises and is separately positioned on the first electromagnet on described LED module and is arranged on the second ferromagnetic iron on described drain pan correspondence position, one end face of described the first electromagnet and an end face of described the second electromagnet are opposite setting, between described the first electromagnet end adjacent with described the second electromagnet in the time of energising polarity identical and during in power-off polarity contrary.
10. LED display according to claim 9, it is characterized in that: on described LED display unit, be also provided with the control circuit element of controlling described the first electromagnet energising and power-off, described the first electromagnet is electrically connected by power cable and described control circuit element, and described power cable is arranged on described LED display unit by patching member.
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CN201410311108.2A CN104112403B (en) | 2014-07-01 | 2014-07-01 | The preceding maintaining method of LED modules and the LED display using this method on LED display |
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