CN210690984U - Portable adjustable backlight connecting box - Google Patents
Portable adjustable backlight connecting box Download PDFInfo
- Publication number
- CN210690984U CN210690984U CN201921707279.1U CN201921707279U CN210690984U CN 210690984 U CN210690984 U CN 210690984U CN 201921707279 U CN201921707279 U CN 201921707279U CN 210690984 U CN210690984 U CN 210690984U
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- connection port
- box body
- backlight
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Abstract
The utility model discloses a portable adjustable backlight connecting box, which comprises a box body, wherein one side of the box body is provided with a power supply input port which is detachably connected with an external constant current power supply, the other side surface of the box body is provided with an output connection port which is detachably matched and connected with the connection end of the backlight lamp strip to be tested, a PCB connecting plate is arranged in the box body, the power input port is connected with the output connecting port through the PCB connecting plate, the output connection port comprises a first connection port, a second connection port, a third connection port and a fourth connection port, the first connection port is used for being detachably connected with the connection end of the single-path serial backlight lamp strip in a matched mode, the second connection port is used for being detachably connected with the connection end of the single-path parallel backlight lamp strip in a matched mode, the third connection port is used for being detachably connected with the connection end of the double-path serial backlight lamp strip in a matched mode, and the fourth connection port is used for being detachably connected with the connection end of the double-path parallel backlight lamp. Through the utility model discloses can effectively simplify the operation, improve detection efficiency.
Description
Technical Field
The utility model belongs to the detection area in a poor light especially relates to a portable adjustable junction box in a poor light.
Background
In the maintenance of the liquid crystal television and the production in the factory, the backlight detection is usually required. Generally, a backlight circuit is sealed in a casing, only external lines of a backlight lamp bar are led out, and when a television is produced or maintained, the backlight lamp bar needs to be connected with a constant current power supply for detection under the condition that whether the backlight lamp bar is damaged or not can not be judged, however, when the external interfaces of the backlight lamp bar are not consistent with the constant current power supply, the connection is troublesome, and time is consumed. The current constant current backlight lamp is a bigger LED lamp panel, the current liquid crystal backlight lamp bar has two modes of series connection and parallel connection and a connector, when the current liquid crystal backlight lamp bar is connected with a constant current power supply, the current liquid crystal backlight lamp bar needs to be selected by manually jumping a cap and wiring, time consumption is inconvenient, and the operation difficulty is great for persons unfamiliar with series connection and parallel connection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable adjustable connecting box in a poor light can effectively the simplified operation, improves detection efficiency.
In order to achieve the purpose, the utility model provides a portable adjustable backlight connection box, which comprises a box body, one side of the box body is provided with a power supply input port which is detachably connected with an external constant current power supply, the other side surface of the box body is provided with an output connection port which is detachably matched and connected with the connection end of the backlight lamp strip to be tested, a PCB connecting plate is arranged in the box body, the power input port is connected with the output connecting port through the PCB connecting plate, the output connection port comprises a first connection port, a second connection port, a third connection port and a fourth connection port, the first connection port is used for being detachably connected with the connection end of the single-path serial backlight lamp strip in a matched mode, the second connection port is used for being detachably connected with the connection end of the single-path parallel backlight lamp strip in a matched mode, the third connection port is used for being detachably connected with the connection end of the double-path serial backlight lamp strip in a matched mode, and the fourth connection port is used for being detachably connected with the connection end of the double-path parallel backlight lamp.
Preferably, the positive terminal of the power input port is connected with the positive connector of the first connection port, the positive connector of the second connection port, each positive connector of the third connection port and each positive connector of the fourth connection port through the PCB connection board; and the negative end of the power input port is respectively connected with the negative connector of the first connecting port, the negative connector of the second connecting port, each negative connector of the third connecting port and each negative connector of the fourth connecting port through the PCB connecting plate.
Preferably, the box body above the first connection port, the second connection port, the third connection port and the fourth connection port is provided with a label plate for marking the ports respectively.
Preferably, the box body is a sealed waterproof box and is hermetically connected with the power input port and the output connection port respectively.
Preferably, the upper half part and the upper end surface of each side wall of the box body are respectively provided with anti-skid grains.
Preferably, the lower end surface of the box body is symmetrically provided with anti-skid supporting feet for anti-skid supporting.
Compared with the prior art, the utility model, its beneficial effect lies in:
the utility model discloses well output connection port is through setting up the different port and the connection end accordant connection in different backlight lamp areas, power input port simultaneously with also can peg graft fast for easy operation during the use can effectively improve detection efficiency. The utility model discloses well output connection port matches through the connection end that sets up different port and backlight lamp area and pegs graft for can effectively avoid connecting when using and make mistakes, reduce the operation degree of difficulty. The utility model discloses in can effectively improve through setting up anti-skidding line and anti-skidding supporting legs and get the stability of putting and placing, guarantee that work is smooth to go on.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a connection block diagram of the present invention;
fig. 3 is a circuit diagram of the connection between the first connection port and the backlight band according to the present invention;
fig. 4 is a circuit diagram of the second connection port and the backlight band according to the present invention;
fig. 5 is a circuit diagram of the third connection port and the backlight band according to the present invention;
fig. 6 is a circuit diagram of the fourth connection port and the backlight band according to the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in figures 1-6, the utility model provides a portable adjustable backlight connection box, which comprises a box body 1, one side of the box body 1 is provided with a power input port 2 for detachable connection with an external constant current power supply 100, the other side of the box body 1 is provided with an output connection port 3 for detachable matching connection with the connection end of a backlight lamp strip to be tested, a PCB connection board 21 is arranged in the box body, the power input port 2 is connected with the output connection port 3 through the PCB connection board 21, the output connection port 3 comprises a first connection port 31 detachably matched and connected with the connection end of the single-path serial backlight lamp strip 61, a second connection port 32 detachably matched and connected with the connection end of the single-path parallel backlight lamp strip 62, a third connection port 33 detachably matched and connected with the connection end of the double-path serial backlight lamp strip 63, and a fourth connection port 34 detachably matched and connected with the connection end of the double-path parallel backlight lamp strip 64.
The positive end LED + of the power input port 2 is connected to the positive connection head of the first connection port 31, the positive connection head of the second connection port 32, the positive connection heads of the third connection port 33 and the positive connection heads of the fourth connection port 34 through the PCB connection board 21; the negative end LED-of the power input port 2 is connected to the negative electrode connector of the first connection port 31, the negative electrode connector of the second connection port 32, the negative electrode connectors of the third connection port 33, and the negative electrode connectors of the fourth connection port 34 through the PCB connection board 21.
In the embodiment, the constant current power supply 100 selects a direct current constant current power supply with adjustable current 10A and voltage of 0-120V; the voltage of the constant current power supply 100 is adjusted from 0 to 120V through the adjustable button, and can be respectively set for the output of the first connection port 31, the output of the second connection port 32, the output of the third connection port 33 and the output of the fourth connection port 34, and when the voltage is used, corresponding voltage and current can be provided by selecting the button, so that the operation is convenient and simple. Each port of the output connection port 3 is inserted into the corresponding connection end of the backlight lamp strip, so that the connection is convenient, the shape of each port of the output connection port 3 is matched with the shape of the corresponding connection end of the backlight lamp strip, connection errors can be avoided, and the matching shapes of each port of each output connection port 3 and the corresponding connection end of the backlight lamp strip are different. When the detection device is used, the detection can be performed by selecting corresponding output at the constant current power supply 100 according to the type of the backlight lamp strip to be detected and the corresponding port, so that the detection device is convenient and quick, the working efficiency can be effectively improved, and connection errors can be avoided.
The label plates 4 for marking the ports are respectively arranged on the box body 1 corresponding to the upper parts of the first connecting port 31, the second connecting port 32, the third connecting port 33 and the fourth connecting port 34. The box body 1 is a sealed waterproof box and is respectively connected with the power input port 2 and the output connection port 3 in a sealing way. The upper half part and the upper end surface of each side wall of the box body 1 are respectively provided with an anti-skid thread 11. The lower end surface of the box body 1 is symmetrically provided with anti-skid supporting feet 5 for anti-skid supporting.
In this embodiment, each tag 4 designates a corresponding port, and different colors can be set so as to facilitate the distinction, thereby further avoiding connection errors. The antiskid line 11 that sets up on the box body 1 for avoid skidding when getting to put box body 1, improve stability. The lower end face of the box body 1 is provided with the anti-skidding supporting legs 5, so that the box body 1 is placed stably, the box body 1 is prevented from being pulled to fall to the ground and being broken when ports are connected, and the stability and the service life are improved.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed in the above teachings or as known to the person skilled in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a portable adjustable connection box in a poor light, includes box body (1), its characterized in that, box body (1) one side is provided with and is used for dismantling power input port (2) of being connected with outside constant current power supply, box body (1) another side is provided with can dismantle accordant connection's output connection port (3) with the connection end in the backlight lamp area that awaits measuring, be provided with PCB connecting plate (21) in the box body, power input port (2) are connected with output connection port (3) through PCB connecting plate (21), output connection port (3) are including being used for dismantling accordant connection's first connection port (31) with the connection end in the backlight lamp area that awaits measuring of single track series connection, being used for dismantling accordant connection's second connection port (32) with the connection end in the backlight lamp area that awaits measuring of single track parallel connection, being used for dismantling accordant connection with the connection end in the backlight lamp area that And the connecting end of the backlight lamp strip is detachably matched with the fourth connecting port (34).
2. The portable adjustable backlight connection box according to claim 1, wherein the positive terminal (LED +) of the power input port (2) is connected to the positive connector of the first connection port (31), the positive connector of the second connection port (32), each positive connector of the third connection port (33) and each positive connector of the fourth connection port (34) through the PCB connection board (21); and the negative electrode end (LED-) of the power input port (2) is respectively connected with the negative electrode connector of the first connecting port (31), the negative electrode connector of the second connecting port (32), each negative electrode connector of the third connecting port (33) and each negative electrode connector of the fourth connecting port (34) through the PCB connecting plate (21).
3. The portable adjustable backlight connection box according to claim 1 or 2, characterized in that the box body (1) above the first connection port (31), the second connection port (32), the third connection port (33) and the fourth connection port (34) is provided with a label plate (4) for marking the ports.
4. A portable adjustable backlight connection box according to claim 1, characterized in that the box body (1) is a sealed waterproof box and is hermetically connected with the power input port (2) and the output connection port (3), respectively.
5. The portable adjustable backlight connection box according to claim 4, wherein the upper half part and the upper end surface of each side wall of the box body (1) are respectively provided with anti-slip lines (11).
6. The portable adjustable backlight connection box according to claim 4, wherein the lower end surface of the box body (1) is symmetrically provided with anti-skid supporting feet (5) for anti-skid supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921707279.1U CN210690984U (en) | 2019-10-12 | 2019-10-12 | Portable adjustable backlight connecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921707279.1U CN210690984U (en) | 2019-10-12 | 2019-10-12 | Portable adjustable backlight connecting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210690984U true CN210690984U (en) | 2020-06-05 |
Family
ID=70895264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921707279.1U Active CN210690984U (en) | 2019-10-12 | 2019-10-12 | Portable adjustable backlight connecting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210690984U (en) |
-
2019
- 2019-10-12 CN CN201921707279.1U patent/CN210690984U/en active Active
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