CN102542989B - LED (Light Emitting Diode) unit box and LED display screen - Google Patents
LED (Light Emitting Diode) unit box and LED display screen Download PDFInfo
- Publication number
- CN102542989B CN102542989B CN201210008922.8A CN201210008922A CN102542989B CN 102542989 B CN102542989 B CN 102542989B CN 201210008922 A CN201210008922 A CN 201210008922A CN 102542989 B CN102542989 B CN 102542989B
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- power supply
- wire
- interfacing part
- led unit
- inserting foot
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- 210000002683 foot Anatomy 0.000 claims description 69
- 210000001503 joint Anatomy 0.000 abstract 9
- 238000003032 molecular docking Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to an LED (Light Emitting Diode) unit box. A male plug and a female socket are arranged on the LED unit box, wherein the male plug is connected with mains supply or other LED unit boxes; the other LED unit boxes can be plugged in the female socket; the male plug is provided with three plug pins and short connectors; the plug pins are respectively used for connecting a live line, a null line and a ground line; the female socket is provided with bayonet sockets which are electrically connected with the plug pins in one-to-one correspondence; the female socket is also provided with a grounded butt joint piece and a power supply butt joint piece; the grounded butt joint piece is grounded; the power supply butt joint piece is electrically connected with a power supply; and the LED unit box further comprises an electromagnetic switch. When the male plug of the LED unit box is plugged into the female socket, the plug pins are in contact with the bayonet sockets before the short connectors are in contact with the grounded butt joint piece and the power supply butt joint piece; the male plug and the female socket are in non-electrified butt joint; and when the male plug is pulled out of the female socket, the plug pins are separated from the bayonet sockets after the short connectors are separated from the grounded butt joint piece and the power supply butt joint piece, so that the male plug and the female socket are separated in a non-electrified manner.
Description
[technical field]
The present invention relates to Electrical Safety protection field, particularly relate to a kind of LED unit box and LED display.
[background technology]
At present, display applications is more and more extensive, because LED display is all that large area unit box is assembled, connecing each line of civil power is to be with several or tens unit boxs, LED display mostly is high-power electric appliance, general electric current is all at tens amperes even tens amperes, the attaching plug of the total direct plug LED display of lock of electricity if in use constantly reopened after a cessation of business, be easy to occur sparking, toward contact follow " " the sound, sometimes even burn plug, cause civil power that automatic trip phenomenon easily occurs.
In addition, in whole huge LED display just in use, charged group of possibility is slotting at any time under repair for individual unit casing, and sparking easily occurs, and affects the normal use of other unit boxs.Common plug system unit efficiency is slow, and complex structural designs is not easy to dial and inserts, and accuracy requirement is not high, maintenance difficult etc.
[summary of the invention]
Based on this, for existing screen body, the charged group of problem that sparking and pulling/inserting structure complexity easily occur when slotting, when providing a kind of plug, necessity can there is not sparking, LED unit box simple in structure.
While in addition, also providing a kind of plug, can there is not sparking, LED display simple in structure.
A LED unit box, comprises LED display module and is the power transfer module of described LED display module power supply, described LED unit box is provided with the public plug of access civil power or other LED unit boxs and the female seat of pegging graft for other LED unit boxs;
Described public plug is provided with three inserting foots and the short circuit part that is respectively used to connect live wire, zero line and ground wire;
Described female seat is provided with respectively and the described inserting foot plug socket of corresponding electrical connection one by one, wherein the inserting foot corresponding to described live wire is connected by the first wire with plug socket, inserting foot corresponding to described zero line is connected by the second wire with plug socket, and described female seat is also provided with and is connected to the ground connection interfacing part on ground, the power supply interfacing part being electrically connected to power supply;
Described LED unit box further comprises electromagnetic switch, described electromagnetic switch comprises switch sections and control section, described switch sections is connected on described the first wire or the second wire, and described control section one end is connected with described power supply, and the other end is connected with described power supply interfacing part;
When described public plug inserts female seat, described inserting foot contact plug socket is prior to described short circuit part contact ground connection interfacing part and power supply interfacing part, and when described public plug is extracted female seat, described inserting foot departs from ground connection interfacing part and power supply interfacing part in described short circuit part after departing from plug socket.
A kind of LED display, comprise at least two LED unit boxs, described LED unit box comprises LED display module and is the power transfer module of described LED display module power supply, and described LED unit box is provided with the public plug of access civil power or other LED unit boxs and the female seat of pegging graft for other LED unit boxs;
Described public plug is provided with three inserting foots and the short circuit part that is respectively used to connect live wire, zero line and ground wire;
Described female seat is provided with respectively and the described inserting foot plug socket of corresponding electrical connection one by one, wherein the inserting foot corresponding to described live wire is connected by the first wire with plug socket, inserting foot corresponding to described zero line is connected by the second wire with plug socket, and described female seat is also provided with and is connected to the ground connection interfacing part on ground, the power supply interfacing part being electrically connected to power supply;
Described LED unit box further comprises electromagnetic switch, described electromagnetic switch comprises switch sections and control section, described switch sections is connected on described the first wire or the second wire, and described control section one end is connected with described power supply, and the other end is connected with described power supply interfacing part;
When described public plug inserts female seat, described inserting foot contact plug socket is prior to described short circuit part contact ground connection interfacing part and power supply interfacing part, and when described public plug is extracted female seat, described inserting foot departs from ground connection interfacing part and power supply interfacing part in described short circuit part after departing from plug socket.
Above-mentioned LED unit box joins by ground connection interfacing part, power supply interfacing part and short circuit part, and inserting foot docks electromagnetic switch work loop and could form with plug socket, to control the connection of the first wire or the second wire.When public plug inserts female seat, inserting foot contact plug socket is prior to short circuit part contact ground connection interfacing part, power supply interfacing part, so, before electromagnetic switch makes the first wire or the second wire conducting, inserting foot and plug socket are public plug and female seat is not charged docking, has realized without sparking and having docked; When public plug is extracted female seat, inserting foot departs from ground connection interfacing part, power supply interfacing part in short circuit part after departing from plug socket, so, after electromagnetic switch makes the first wire or the second wire conducting, it is not charged separated with female seat that inserting foot is public plug with plug socket, has realized without sparking separated.In addition, realize without the docking of sparking and separated simple in structure, do not need complicated circuit or structural design.
[accompanying drawing explanation]
Fig. 1 is the structural representation of LED unit box in preferred embodiment;
Fig. 2 is the structural representation of at least two LED unit box docking.
[embodiment]
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of LED unit box 100 comprises LED display module 110, power transfer module 120, public plug 130, female seat 140 and electromagnetic switch 170.
LED display module 110 is for driving LED display screen, and it is provided with multimedia interface and power interface, and power transfer module 120 is connected with the power interface of LED display module 110, and output direct supply is 110 power supplies of LED display module.
As shown in Figure 2, public plug 130 is provided with three inserting foots 132 and the short circuit part 134 that is respectively used to connect live wire L, the zero line N of civil power and ground wire PE.
In a preferred embodiment, the inserting foot 132 that connects ground wire PE is than connecting the inserting foot 132 of live wire L, inserting foot 132 length of connection zero line N.When 100 docking of LED unit box, first the inserting foot of ground wire connects, and order just connects civil power live wire, zero line after the first ground connection of LED unit box 100.The situation such as electric leakage, tripping operation while avoiding docking.
Female seat 140 is provided with respectively and inserting foot 132 plug socket 142 of corresponding electrical connection one by one, wherein corresponding to the inserting foot 132 that connects live wire L, be connected by the first wire 150 with plug socket 142, corresponding to the inserting foot 132 that connects zero line N, be connected by the second wire 160 with plug socket 142, corresponding to the inserting foot 132 that connects ground wire PE, be connected by privates (figure is mark not) with plug socket 142.In addition, female seat 140 is also provided with and is connected to the ground connection interfacing part 144 on ground, the power supply interfacing part 146 being electrically connected to power supply.
In a preferred embodiment, inserting foot 132 and contact pin or the needle stand of short circuit part 134 for cooperatively interacting, corresponding, plug socket 142, ground connection interfacing part 144 and needle stand or the contact pin of power supply interfacing part 146 for cooperatively interacting.
Power transfer module 120 has the ac input end connecting one to one with three inserting foots 132, be connected to ground wire PE inserting foot 132, be connected to the inserting foot 132 of live wire L and be connected to the inserting foot 132 of zero line N, also have the DC output end of at least two output direct current of voltage regulation and the earth terminal being connected with ground connection interfacing part 142, the power interface 112 that one of them DC output end is connected in LED display module 110 is 110 power supplies of LED display module; The DC output end of another out-put supply is connected with the control section 174 of electromagnetic switch 170, is electromagnetic switch 170 power supplies.
LED unit box 100 is provided with the public plug 130 of access civil power or other LED unit boxs 100 and the female seat 140 of pegging graft for other LED unit boxs 100.
Electromagnetic switch 170 comprises switch sections 172 and control section 174.As shown in Figure 1, in the present embodiment, switch sections 172 is connected on the first wire 150.In other embodiments, switch sections 172 can also be connected on the second wire 160.Control section 174 one end are connected with power supply, and the other end is connected with power supply interfacing part 146.In the present embodiment, power transfer module 120 one of them DC output end are connected with control section 174 as power supply, in other embodiments, can also provide power supply by other modes.
In a preferred embodiment, electromagnetic switch 170 is relay, and control section 174 comprises iron core, coil, and switch sections 172 comprises armature, spring and contact.In use procedure, by coil two ends, add certain voltage, in coil, will flow through certain electric current, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force unshakable in one's determination to be inhaled to iron core, thereby with moving contact and stationary contact (normally opened contact) adhesive of moving armature.Can find out, the conducting of the first wire 150 or the second wire 160 is to control by the switching of the control section 174 gauge tap parts 172 of electromagnetic switch 170.Shown in Fig. 1 is the situation that switch sections 172 is connected to the first wire 150, and after the switch sections 174 on the first wire 150 is opened, female seat 140 does not access civil power.
When carrying out 100 docking of LED unit box, be to realize by public plug 130 and the plug of female seat 140.Reach the object of striking sparks while avoiding plug, while making public plug 130 insert female seat 140, inserting foot 132 contact plug sockets 142 are prior to short circuit part 134 contact ground connection interfacing part 144 and power supply interfacing parts 146.And when public plug 130 is extracted female seat 140, inserting foot 132 departs from after plug socket 142 is wanted and departs from ground connection interfacing part 144 and power supply interfacing part 146 in short circuit part 134.In a preferred embodiment, the exposed parts of inserting foot 132 is relatively longer than the exposed parts of short circuit part 134, and the exposed parts of plug socket 142 is relative longer than the exposed parts of ground connection interfacing part 144 and power supply interfacing part 146.In other embodiments, the mode that this set successively contacts can also be made multiple variation, is not limited to make protruded length to meet above-mentioned requirements.
So, before electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, inserting foot 132 and plug socket 142 are that public plug 130 and female seat 140 are not charged docking, have realized without sparking and having docked; And public plug 130 is while extracting female seat 140, inserting foot 132 departs from ground connection interfacing part 144 and power supply interfacing parts 146 in short circuit part 134 after departing from plug sockets 142.After electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, it is not charged separated with female seat 140 that inserting foot 132 is public plug 130 with plug socket 142, has realized without sparking separated.
Above-mentioned LED unit box 100 joins with short circuit part 134 by ground connection interfacing part 144, power supply interfacing part 146, and inserting foot 132 docks electromagnetic switch 170 work loops and could form with plug socket 142, to control the connection of the first wire 150 or the second wire 160.When public plug 130 inserts female seat 140, inserting foot 132 contact plug sockets 142 are prior to short circuit part 134 contact ground connection interfacing parts 144, power supply interfacing part 146, so before electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, inserting foot 132 and plug socket 142 are public plug 130 and female seat 140 is not charged docking, has realized without sparking and having docked; When public plug 130 is extracted female seat 140, inserting foot 132 departs from ground connection interfacing part 144, power supply interfacing part 146 in short circuit part 134 after departing from plug socket 142, so after electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, it is not charged separated with female seat 140 that inserting foot 132 is public plug 130 with plug socket 142, has realized without sparking separated.In addition, realize without the docking of sparking and separated simple in structure, do not need complicated circuit or structural design.
As shown in Figure 2, a kind of LED display, comprises at least two LED unit boxs 100, and LED unit box 100 comprises LED display module 110 and is the power transfer module 120 of LED display module 110 power supplies.The course of work of LED unit box 100 as mentioned above, repeats no more.
When 100 docking of at least two LED unit boxs, plug between public plug 130 and female seat 140, by ground connection interfacing part 144, power supply interfacing part 146, join with short circuit part 134, inserting foot 132 docks electromagnetic switch 170 work loops and could form with plug socket 142, to control the connection of the first wire 150 or the second wire 160.When public plug 130 inserts female seat 140, inserting foot 132 contact plug sockets 142 are prior to short circuit part 134 contact ground connection interfacing parts 144, power supply interfacing part 146, so before electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, inserting foot 132 and plug socket 142 are public plug 130 and female seat 140 is not charged docking, has realized without sparking and having docked; When public plug 130 is extracted female seat 140, inserting foot 132 departs from ground connection interfacing part 144, power supply interfacing part 146 in short circuit part 134 after departing from plug socket 142, so after electromagnetic switch 170 makes the first wire 150 or the second wire 160 conductings, it is not charged separated with female seat 140 that inserting foot 132 is public plug 130 with plug socket 142, has realized without sparking separated.In addition, realize without the docking of sparking and separated simple in structure, do not need complicated circuit or structural design.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED unit box, comprise LED display module and be the power transfer module of described LED display module power supply, it is characterized in that, described LED unit box is provided with the public plug of access civil power or other LED unit boxs and the female seat of pegging graft for other LED unit boxs;
Described public plug is provided with three inserting foots and the short circuit part that is respectively used to connect live wire, zero line and ground wire;
Described female seat is provided with respectively and the described inserting foot plug socket of corresponding electrical connection one by one, wherein the inserting foot corresponding to described live wire is connected by the first wire with plug socket, inserting foot corresponding to described zero line is connected by the second wire with plug socket, and described female seat is also provided with ground connection interfacing part, the power supply interfacing part that is connected to ground;
Described LED unit box further comprises electromagnetic switch, described electromagnetic switch comprises switch sections and control section, described switch sections is connected on described the first wire or the second wire, and described control section one end is connected with described power transfer module, and the other end is connected with described power supply interfacing part;
When described public plug inserts female seat, described inserting foot contact plug socket is prior to described short circuit part contact ground connection interfacing part and power supply interfacing part, and when described public plug is extracted female seat, described inserting foot departs from ground connection interfacing part and power supply interfacing part in described short circuit part after departing from plug socket.
2. LED unit box according to claim 1, is characterized in that, the inserting foot of described connection ground wire is longer with the inserting foot that is connected zero line than the inserting foot of described connection live wire.
3. LED unit box according to claim 1, it is characterized in that, described power transfer module has the ac input end connecting one to one with described three inserting foots, the DC output end of at least two output direct current of voltage regulation and the earth terminal being connected with described ground connection interfacing part, and it is the power supply of LED display module that one of them DC output end is connected to LED display module; Another exports the DC output end of described power supply and the control section of described electromagnetic switch is connected.
4. according to the LED unit box described in claim 1 or 3, it is characterized in that, described electromagnetic switch is relay.
5. LED unit box according to claim 1, is characterized in that, described inserting foot and short circuit part are contact pin or the needle stand cooperatively interacting, and corresponding, described plug socket, ground connection interfacing part and power supply interfacing part are needle stand or the contact pin cooperatively interacting.
6. a LED display, comprise at least two LED unit boxs, described LED unit box comprises LED display module and is the power transfer module of described LED display module power supply, it is characterized in that, described LED unit box is provided with the public plug of access civil power or other LED unit boxs and the female seat of pegging graft for other LED unit boxs;
Described public plug is provided with three inserting foots and the short circuit part that is respectively used to connect live wire, zero line and ground wire;
Described female seat is provided with respectively and the described inserting foot plug socket of corresponding electrical connection one by one, wherein the inserting foot corresponding to described live wire is connected by the first wire with plug socket, inserting foot corresponding to described zero line is connected by the second wire with plug socket, and described female seat is also provided with ground connection interfacing part, the power supply interfacing part that is connected to ground;
Described LED unit box further comprises electromagnetic switch, described electromagnetic switch comprises switch sections and control section, described switch sections is connected on described the first wire or the second wire, and described control section one end is connected with described power transfer module, and the other end is connected with described power supply interfacing part;
When described public plug inserts female seat, described inserting foot contact plug socket is prior to described short circuit part contact ground connection interfacing part and power supply interfacing part, and when described public plug is extracted female seat, described inserting foot departs from ground connection interfacing part and power supply interfacing part in described short circuit part after departing from plug socket.
7. LED display according to claim 6, is characterized in that, the inserting foot of described connection ground wire is longer with the inserting foot that is connected zero line than the inserting foot of described connection live wire.
8. LED display according to claim 6, it is characterized in that, described power transfer module has the ac input end connecting one to one with described three inserting foots, the DC output end of at least two output direct current of voltage regulation and the earth terminal being connected with described ground connection interfacing part, and it is the power supply of LED display module that one of them DC output end is connected to LED display module; Another exports the DC output end of described power supply and the control section of described electromagnetic switch is connected.
9. according to the LED display described in claim 6 or 8, it is characterized in that, described electromagnetic switch is relay.
10. LED display according to claim 6, is characterized in that, described inserting foot and short circuit part are contact pin or the needle stand cooperatively interacting, and corresponding, described plug socket, ground connection interfacing part and power supply interfacing part are needle stand or the contact pin cooperatively interacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008922.8A CN102542989B (en) | 2012-01-12 | 2012-01-12 | LED (Light Emitting Diode) unit box and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008922.8A CN102542989B (en) | 2012-01-12 | 2012-01-12 | LED (Light Emitting Diode) unit box and LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102542989A CN102542989A (en) | 2012-07-04 |
| CN102542989B true CN102542989B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210008922.8A Expired - Fee Related CN102542989B (en) | 2012-01-12 | 2012-01-12 | LED (Light Emitting Diode) unit box and LED display screen |
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| Country | Link |
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| CN (1) | CN102542989B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680946B (en) * | 2015-02-12 | 2017-08-29 | 深圳市科美芯光电技术有限公司 | The mutual splicing line construction and splicing Wiring method of a kind of LED display |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953230Y (en) * | 2006-05-19 | 2007-09-26 | 康佳集团股份有限公司 | Signal interface circuit for LED display module |
| JP2008053663A (en) * | 2006-08-28 | 2008-03-06 | Matsushita Electric Works Ltd | Led unit |
| CN102136228A (en) * | 2011-03-24 | 2011-07-27 | 深圳市中庆微科技开发有限公司 | Seamless spliced standard LED unit board and LED display device |
| FR2952272B3 (en) * | 2007-02-06 | 2011-10-28 | Joseph Guiheneuf | REPLACABLE LED BULB WITH OPPOSITE OUTPUTS |
| CN202434185U (en) * | 2012-01-12 | 2012-09-12 | 深圳市通普科技有限公司 | LED unit box and LED display screen |
-
2012
- 2012-01-12 CN CN201210008922.8A patent/CN102542989B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953230Y (en) * | 2006-05-19 | 2007-09-26 | 康佳集团股份有限公司 | Signal interface circuit for LED display module |
| JP2008053663A (en) * | 2006-08-28 | 2008-03-06 | Matsushita Electric Works Ltd | Led unit |
| FR2952272B3 (en) * | 2007-02-06 | 2011-10-28 | Joseph Guiheneuf | REPLACABLE LED BULB WITH OPPOSITE OUTPUTS |
| CN102136228A (en) * | 2011-03-24 | 2011-07-27 | 深圳市中庆微科技开发有限公司 | Seamless spliced standard LED unit board and LED display device |
| CN202434185U (en) * | 2012-01-12 | 2012-09-12 | 深圳市通普科技有限公司 | LED unit box and LED display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102542989A (en) | 2012-07-04 |
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Inventor after: Pang Guiwei Inventor after: Jiang Daorong Inventor after: Zou Xiaohong Inventor after: Lin Wen Inventor before: Pang Guiwei Inventor before: Lin Wen Inventor before: Zou Xiaohong |
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Address after: 518103, Guangdong, Shenzhen, Baoan District Fuyong Street High-tech Zone, Feng Tong Avenue, star glory science and Technology Park, B, building 1 to four layers Patentee after: ShenZhen Top Technology Co., Ltd. Address before: 518000, Guangdong, Shenzhen, Baoan District Fuyong Street Peace community, bridge and road, with the rich industrial zone four team building Patentee before: ShenZhen Top Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |