CN216749182U - Anti-interference liquid crystal module - Google Patents
Anti-interference liquid crystal module Download PDFInfo
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- CN216749182U CN216749182U CN202122673075.4U CN202122673075U CN216749182U CN 216749182 U CN216749182 U CN 216749182U CN 202122673075 U CN202122673075 U CN 202122673075U CN 216749182 U CN216749182 U CN 216749182U
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Abstract
The utility model discloses an anti-interference liquid crystal module, which comprises a liquid crystal module base body, wherein an isolation frame wraps the outer wall of the liquid crystal module base body, a protection frame wraps the outer wall of the isolation frame, wiring ports are formed in the protection frame and the outer wall of one side of the isolation frame, wiring terminals of the liquid crystal module base body are located in the wiring ports, a mounting plate is arranged on the outer wall of one side of the isolation frame, a mounting area is arranged on the outer wall of one side of the mounting plate, a controller is arranged at the mounting area, and the controller comprises a clock module, a battery, a processor, a voltage stabilizing capacitor, a filter capacitor, a flat cable, a delay switch, an internal eliminating resistor, an internal wiring column and an external wiring column. According to the anti-interference liquid crystal module, when the processor detects a certain on-off operation frequency within a specified time, the external circuit is disconnected, and the internal elimination resistor generates heat to consume, so that the internal circuit of the module is stable, and the anti-interference capability of the liquid crystal module is improved.
Description
Technical Field
The utility model relates to the field of liquid crystal modules, in particular to an anti-interference liquid crystal module.
Background
Liquid crystal is a substance between solid and liquid states, and is not luminescent by itself, requiring additional light sources. A liquid crystal module is generally understood to be a liquid crystal module substrate plus a backlight. The liquid crystal assembly can be understood as a liquid crystal screen, and the backlight can be understood as a light assembly with a control circuit to provide light for the liquid crystal screen.
Chinese patent No. CN212749460U discloses an anti-interference liquid crystal module, including the liquid crystal module body, liquid crystal module body electric connection has the signal line, and signal line electric connection has filter equipment and voltage stabilizing capacitor, the parcel all around of liquid crystal module body has insulating support, and insulating support's outside fixedly connected with shell subassembly. The utility model discloses a through setting up filter equipment cooperation voltage stabilizing capacitor, can carry out anti-interference protection to the signal line that the transmission shows the signal, avoid the signal that the liquid crystal module accepted to receive electromagnetic signal's interference in transmission process, lead to wrong display effect. However, in the conventional device, when a large voltage is applied to a circuit where the liquid crystal module is located, the liquid crystal module is easily affected by the high voltage and is abnormal because no breakpoint is preset.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an anti-interference liquid crystal module, which aims to solve the problem that the existing liquid crystal display module is easily damaged due to the fact that a preset disconnection mechanism is not provided when the liquid crystal display module is frequently and quickly subjected to power-on and power-off operation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an anti-interference liquid crystal module comprises a liquid crystal module base body, wherein an isolation frame wraps the outer wall of the liquid crystal module base body, a protection frame wraps the outer wall of the isolation frame, wiring ports are formed in the protection frame and the outer wall of one side of the isolation frame, wiring terminals of the liquid crystal module base body are located in the wiring ports, a mounting plate is arranged on the outer wall of one side of the isolation frame, a mounting area is arranged on the outer wall of one side of the mounting plate, a controller is arranged at the mounting area and comprises a clock module, a battery, a processor, a voltage stabilizing capacitor, a filtering capacitor, a flat cable, a delay switch, an internal eliminating resistor, an internal wiring column and an external wiring column, the wiring row comprises a wiring harness, a first wiring head and a second wiring head, the internal wiring column is electrically connected to the second wiring head, and the first wiring head is inserted in the wiring terminals in the wiring ports, the time delay switch is provided with a normally open contact and a normally closed contact.
The processor in the controller of setting records current time point when first circular telegram, when the treater detects the continuous break-make of appointed number of times in the time of setting for, the normally closed contact disconnection external circuit of treater control time delay switch, the normally open contact of time delay switch closes simultaneously and connects in parallel the internal resistance to the output that produces the high voltage, with this protect the liquid crystal module in the time with the electric energy that this higher voltage was taken through the internal resistance circular telegram heat production consumption, after certain time, time delay switch automatic recovery initial condition, with this promotion module interference killing feature.
In a preferred embodiment, the normally closed contact is electrically connected to an external power circuit, the normally open contact is connected in series with the internal cancellation resistor, the internal cancellation resistor is connected in parallel to two ends of the filter capacitor, and the internal cancellation resistor is used to consume energy by switching on the internal cancellation resistor when a voltage with a high voltage value is generated inside the device, so as to reduce risks.
In a preferred scheme, the battery is a rechargeable battery, the processor is a single chip microcomputer, the clock module adopts a quartz crystal oscillator to provide clock frequency for the processor for timing, and the controller is fixedly installed in an installation area of the outer wall of one side of the installation plate through bolts.
In a preferred embodiment, the first connector lug and the second connector lug are electrically connected by a wire harness, and the wire harness is formed by bonding a plurality of wires with an outer insulating layer.
In a preferred scheme, a plurality of interwoven shielding stranded wires are arranged between the wire harness and the insulating skin of the flat cable, and the arranged shielding stranded wires are used for improving the anti-electromagnetic interference capability of the flat cable.
In an optimal scheme, the protective frame is made of metal and used for forming a metal shielding layer in a certain range outside the liquid crystal module matrix, the anti-interference capacity is improved, the insulating frame is made of organic glass and used for protecting the liquid crystal module matrix, and the liquid crystal module matrix is prevented from being scratched by metal when the liquid crystal module matrix is installed.
From the above, an anti-interference liquid crystal module comprises a liquid crystal module base body, wherein an isolation frame wraps the outer wall of the liquid crystal module base body, a protection frame wraps the outer wall of the isolation frame, wiring ports are formed in the protection frame and the outer wall of one side of the isolation frame, wiring terminals of the liquid crystal module base body are located in the wiring ports, a mounting plate is arranged on the outer wall of one side of the isolation frame, a mounting area is arranged on the outer wall of one side of the mounting plate, a controller is arranged at the mounting area and comprises a clock module, a battery, a processor, a voltage stabilizing capacitor, a filter capacitor, a flat cable, a delay switch, an internal eliminating resistor, an internal wiring column and an external wiring column, the wiring row comprises a wiring harness, a first wiring joint and a second wiring joint, the internal wiring column is electrically connected to the second wiring joint, and the first wiring joint is inserted in the wiring terminals in the wiring ports, the time delay switch is provided with a normally open contact and a normally closed contact. According to the interference-proof liquid crystal module, the processor, the delay switch and the clock module are matched with each other, when a certain on-off operation frequency is detected within a specified time, an external circuit is disconnected, and electric energy generated by frequent on-off is consumed through heat generation of the internal elimination resistor, so that the internal circuit of the module is stable, and the interference resistance of the liquid crystal module is improved.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic structural diagram of an interference-proof liquid crystal module according to the present invention.
Fig. 2 is a schematic partial structure diagram of an interference-proof liquid crystal module according to the present invention.
Fig. 3 is a schematic partial cross-sectional view of a lateral connection line of an interference-proof liquid crystal module according to the present invention.
In the drawings: 1. a protective frame; 2. a wiring port; 3. mounting a plate; 4. a controller; 5. a liquid crystal module substrate; 6. an isolation frame; 7. an installation area; 8. a voltage stabilizing capacitor; 9. a first connector lug; 10. a wire harness; 11. an insulating layer; 12. shielding the stranded wire; 13. a second connector lug; 14. a battery; 15. a processor; 16. an external terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The utility model discloses an anti-interference liquid crystal module which is mainly applied to a scene that a circuit where the liquid crystal module is located is subjected to power-on and power-off operations frequently and rapidly.
Referring to fig. 1, 2 and 3, an anti-interference liquid crystal module comprises a liquid crystal module matrix 5, an isolation frame 6 wraps the outer wall of the liquid crystal module matrix 5, a protection frame 1 wraps the outer wall of the isolation frame 6, wiring ports 2 are formed in the outer walls of the protection frame 1 and one side of the isolation frame 6, wiring terminals of the liquid crystal module matrix 5 are located in the wiring ports 2, a mounting plate 3 is arranged on the outer wall of one side of the isolation frame 6, a mounting area 7 is arranged on the outer wall of one side of the mounting plate 3, a controller 4 is arranged at the position of the mounting area 7, the controller 4 comprises a clock module, a battery 14, a processor 15, a voltage stabilizing capacitor 8 and a filter capacitor, the wiring board comprises a flat cable, a time delay switch, an internal eliminating resistor, an internal terminal and an external terminal 16, wherein the flat cable is composed of a wiring harness 10, a first connector lug 9 and a second connector lug 13, the internal terminal is electrically connected to the second connector lug 13, and the first connector lug 9 is inserted into a wiring terminal in the wiring port 2.
In a preferred embodiment, the time delay switch has a normally open contact and a normally closed contact, the normally closed contact is electrically connected to an external power circuit, the voltage of the external power circuit is mains voltage, the normally open contact is connected in series with the internal eliminating resistor, the internal eliminating resistor is connected in parallel to two ends of the filter capacitor, and the internal eliminating resistor is arranged to consume energy by switching on the internal eliminating resistor when a voltage with a higher voltage value is generated inside the device, so that risks are reduced.
Referring to fig. 1 and 2, in a preferred embodiment, the battery 14 is a rechargeable battery, and the controller 4 is fixedly mounted to the mounting area 7 of the outer wall of the mounting plate 3 on one side by bolts.
Referring to fig. 3, in a preferred embodiment, the first connector lug 9 and the second connector lug 13 are electrically connected by a wire harness 10, the wire harness 10 is formed by bonding a plurality of wires with an outer insulating layer 11, a plurality of interlaced shielding strands 12 are arranged between the wire harness 10 and an insulating sheath of a flat cable, and the shielding strands 12 are used for improving the anti-electromagnetic interference capability of the flat cable.
Referring to fig. 1, in a preferred embodiment, the processor 15 is a single chip, and the clock module uses a quartz crystal oscillator to provide a clock frequency for the processor 15 to clock.
Referring to fig. 2, in a preferred embodiment, the protective frame 1 is made of metal material to form a metal shielding layer in a certain range outside the liquid crystal module substrate 5, so as to improve the anti-interference capability, and the insulating frame 6 is made of organic glass to protect the liquid crystal module substrate 5 and prevent the liquid crystal module substrate 5 from being scratched by metal when being mounted.
The working principle is as follows: when a circuit where the display module is located is normally connected or disconnected, the voltage stabilizing capacitor 8 can play a role in voltage stabilizing protection, but when the circuit where the display screen where the liquid crystal module matrix 5 is located is frequently and quickly connected or disconnected, a reactor in the filter circuit is matched with a capacitor, voltage higher than that in normal use can be generated at two ends of the capacitor, and higher voltage is generated in the device at the moment and bypasses an adapter at the wire inlet end of the display, so that a voltage regulating mechanism of the adapter cannot play a role in protection; when treater 15 circular telegram for the first time, current time point is noted to controller 4, when treater 15 detected the continuous break-make of appointed number of times in the time of settlement, treater 15 control delay switch's normally closed contact disconnection external circuit, avoid producing higher voltage in condenser department, the normally open contact of delay switch closes simultaneously and connects the internal resistance in parallel to the both ends that produce the capacitor of high voltage with this discharges the condenser, with this protect the liquid crystal module in the time with the electric energy that this higher voltage was taken through internal resistance circular telegram heat production consumption, after certain time, delay switch automatic recovery initial condition, with this promotion module interference killing feature.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be covered by the protection scope of the present invention by equivalent substitution or change.
Claims (7)
1. An anti-interference liquid crystal module comprises a liquid crystal module base body (5), wherein an insulating frame (6) wraps the outer wall of the liquid crystal module base body (5), and a protective frame (1) wraps the outer wall of the insulating frame (6), and is characterized in that wiring ports (2) are formed in the protective frame (1) and the outer wall of one side of the insulating frame (6), wiring terminals of the liquid crystal module base body (5) are located in the wiring ports (2), a mounting plate (3) is arranged on the outer wall of one side of the insulating frame (6), a mounting area (7) is arranged on the outer wall of one side of the mounting plate (3), a controller (4) is arranged at the mounting area (7), the controller (4) comprises a clock module, a battery (14), a processor (15), a voltage stabilizing capacitor (8), a filter capacitor, a flat cable, a time delay switch, an internal resistor, an internal wiring column and an external wiring column (16), the wire row comprises a wire harness (10), a first connector lug (9) and a second connector lug (13), the inner terminal is electrically connected to the second connector lug (13), and the first connector lug (9) is inserted into the connecting terminal in the connector lug (2).
2. The interference preventing liquid crystal module as claimed in claim 1, wherein the time delay switch has a normally open contact and a normally closed contact, the normally closed contact is electrically connected to the external power circuit, the normally open contact is connected in series with the internal cancellation resistor, and the internal cancellation resistor is connected in parallel to two ends of the filter capacitor.
3. The interference-proof liquid crystal module as claimed in claim 1, wherein the battery (14) is a rechargeable battery, and the controller (4) is fixedly mounted on the mounting region (7) by bolts.
4. The interference-proof LCD module as claimed in claim 1, wherein the first connector (9) and the second connector (13) are electrically connected by a wiring harness (10), and the wiring harness (10) is formed by bonding a plurality of wires having an outer insulating layer (11).
5. The interference-proof liquid crystal module as claimed in claim 4, wherein a plurality of interlaced shield strands (12) are provided between the wire harness (10) and the insulation of the flat cable.
6. The interference-proof LCD module as claimed in claim 1, wherein the processor (15) is a single chip microcomputer, and the clock module employs a quartz crystal oscillator to provide a clock frequency for the processor (15).
7. The interference-proof LCD module of any one of claims 1 to 6, wherein the protective frame (1) is made of metal and the insulating frame (6) is made of organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122673075.4U CN216749182U (en) | 2021-11-03 | 2021-11-03 | Anti-interference liquid crystal module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122673075.4U CN216749182U (en) | 2021-11-03 | 2021-11-03 | Anti-interference liquid crystal module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216749182U true CN216749182U (en) | 2022-06-14 |
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ID=81925843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122673075.4U Active CN216749182U (en) | 2021-11-03 | 2021-11-03 | Anti-interference liquid crystal module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216749182U (en) |
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2021
- 2021-11-03 CN CN202122673075.4U patent/CN216749182U/en active Active
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