CN210454466U - TFT liquid crystal display instrument - Google Patents
TFT liquid crystal display instrument Download PDFInfo
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- CN210454466U CN210454466U CN201921010762.4U CN201921010762U CN210454466U CN 210454466 U CN210454466 U CN 210454466U CN 201921010762 U CN201921010762 U CN 201921010762U CN 210454466 U CN210454466 U CN 210454466U
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Abstract
The utility model relates to the technical field of instrument instruments, in particular to a TFT liquid crystal display instrument, a TFT liquid crystal assembly and a PCB assembly are sequentially arranged between an upper cover assembly and a bottom shell assembly from top to bottom, a relevant circuit in the PCB assembly and a corresponding function in the TFT liquid crystal assembly are correspondingly arranged, one side of the PCB assembly is electrically connected with a plurality of key circuit boards, a key rod is fixedly arranged on each key circuit board, a plurality of key rod holes which are penetrated by the key rod are arranged on one side of the TFT liquid crystal assembly, a plurality of key holes are arranged on the upper cover assembly, and a plurality of key blocks are arranged on the key holes; one end of the key rod is abutted against the key block. The key block is pressed to adjust related circuits in the PCB assembly, the related circuits in the PCB assembly correspond to corresponding functions in the TFT liquid crystal assembly, so that colors in corresponding areas in the TFT liquid crystal assembly are changed, and the purpose of displaying different color patterns is finally achieved.
Description
Technical Field
The utility model relates to an instrument technical field especially relates to a TFT liquid crystal display instrument.
Background
The instruments are classified into automobile instruments, motorcycle instruments, electric vehicle instruments and the like according to the using objects, and the instruments are used for indicating the running conditions of the vehicles, so that drivers can know and master the working states of all systems and all parts of the vehicles at any time, and the driving safety is ensured.
With the development of information technology, the development of electronic technology, network technology and other technologies has promoted the development of instruments from traditional instruments to digital display instruments with high integration degree and large data exchange amount.
In the digital instrument in the prior art, due to the defects of liquid crystal display screen such as liquid crystal screen flicker, blurring and the like, liquid crystal display is unclear, brightness is uneven, drivers cannot observe various index conditions of the liquid crystal display conveniently, and the digital instrument has the defects of complex circuit, inconvenience in maintenance and installation and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a TFT liquid crystal display instrument solves the technical problem that the maintenance installation is not convenient for of liquid crystal display among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a TFT liquid crystal display instrument comprises an upper cover assembly and a bottom shell assembly, wherein a TFT liquid crystal assembly and a PCB assembly are sequentially arranged between the upper cover assembly and the bottom shell assembly from top to bottom, related circuits in the PCB assembly are arranged corresponding to corresponding functions in the TFT liquid crystal assembly, one side of the PCB assembly is electrically connected with a plurality of key circuit boards, key rods are fixedly arranged on the key circuit boards, a plurality of key rod holes through which the key rods penetrate are arranged on one side of the TFT liquid crystal assembly, a plurality of key holes are arranged on the upper cover assembly, and a plurality of key blocks are arranged on the key holes; one end of the key rod is abutted against the key block.
Further preferably, the TFT liquid crystal assembly comprises a thin film transistor liquid crystal display screen, a brightness enhancement film, a liquid crystal layer, a substrate, a filter layer and a backlight module. The thin film transistor liquid crystal display screen is composed of a plurality of pixels capable of emitting light rays with any color, the purpose of displaying images can be achieved as long as the corresponding color displayed by each pixel is controlled, after voltage is applied to the TFT liquid crystal assembly, an electric field can be generated, liquid crystal in the TFT liquid crystal assembly generates certain state change, so that the light rays can not pass through the substrate, the color in the area is changed, and the purpose of displaying different images is finally achieved.
Further optimize, the bottom of PCB subassembly is equipped with the connector. The connector is convenient for with PCB subassembly fixed mounting and bottom shell post in the inside groove, the fixed of the PCB subassembly of being convenient for can not produce the unstable phenomenon of electric current, voltage signal and produce in the operation process to the demonstration of influence instrument.
Preferably, the bottom shell assembly extends outwards to form a bottom shell column, a bottom shell cover plate is mounted on the bottom shell column, and an inner groove for accommodating a connector is formed in the bottom shell column; the improved structure of the bottom shell assembly comprises a bottom shell assembly and is characterized in that a plurality of threaded holes convenient for installation of the bottom shell assembly are formed in the bottom shell assembly, and the threaded holes are of ladder-shaped structures and gradually increase in diameter from the PCB assembly to the bottom shell assembly. The drain pan post outwards extends and outstanding concave yield that can just in time with the instrument installation region cooperatees, and the screw hole can make the utility model discloses a threaded mode is installed in the instrument installation region, convenient dismantlement and maintenance. And the trapezoidal structure setting of screw hole has guaranteed that the vehicle is receiving the striking back, and the screw can not deviate from owing to receive the restriction of trapezoidal screw hole, and the instrument still can be fixed in the panel board installation region promptly.
Further preferably, a sealing rubber is arranged between the connector and the inner groove. The sealing rubber is convenient for the relative sliding between the connector and the inner groove, and is convenient for well fixing the connector in the inner groove.
Further optimization, the number of the key circuit boards is 2, the number of the key rod holes is 2, the number of the key rods is 2, the number of the key holes is 2, and the number of the key blocks is 2. The number of the key blocks is 2, so that different functions such as brightness adjustment, position adjustment and the like can be realized conveniently, and one key is convenient for controlling a corresponding circuit in one PCB assembly, so that the function is realized.
Further optimizing, be equipped with photosensitive element in the TFT liquid crystal module, still including the segment code LCD screen in the TFT liquid crystal module, still be equipped with wireless chip in the TFT liquid crystal module. Photosensitive element can make the utility model discloses have ambient brightness and detect the function, can realize that display instrument luminance automatic adjustment or switching show the UI interface according to the power of light, satisfy the visual demand of user under different environment. The segment code liquid crystal display can realize UI interface display of various styles, and compared with a common segment code display, the segment code liquid crystal display has richer display interface color patterns. The wireless chip can be interconnected with the mobile phone, and can display incoming call information of the mobile phone, screen projection navigation and the like.
The principle of the utility model lies in: following take motormeter to exemplify, when needs installation the utility model discloses the time for the instrument installing zone on the car is aimed at to the drain pan subassembly, and uses bolt and nut's cooperation, through the screw hole on the drain pan subassembly, will the utility model discloses install on the instrument installing zone. After the installation is finished, when different functions are required to be realized, such as an indicator light display function, a user presses a corresponding key block, the key block drives a key rod to move downwards, the key rod is connected with a key circuit board so as to control related circuits in the PCB assembly to be adjusted, the related circuits in the PCB assembly correspond to the corresponding functions in the TFT liquid crystal assembly, namely the related circuits in the PCB assembly are connected, namely voltage is increased at the corresponding positions in the TFT liquid crystal assembly, an electric field can be generated, liquid crystals in the area in the TFT liquid crystal assembly generate certain state change, so that light cannot pass through the substrate, the color in the area is changed, and finally the purpose of displaying different color patterns is achieved. When needing to be changed the utility model discloses the time, only need lift the bolt and nut on the drain pan subassembly off, can with the utility model discloses lift off, be convenient for maintain and change. And the trapezoidal structure setting of screw hole has guaranteed that the vehicle is receiving the striking back, and the screw can not deviate from owing to receive the restriction of trapezoidal screw hole, and the instrument still can be fixed in the panel board installation region promptly.
The utility model has the advantages that: 1. the key block is pressed to adjust related circuits in the PCB assembly, the related circuits in the PCB assembly correspond to corresponding functions in the TFT liquid crystal assembly, so that colors in corresponding areas in the TFT liquid crystal assembly are changed, and the purpose of displaying different color patterns is finally achieved. 2. Through the outside chassis post that is provided with of drain pan subassembly, the drain pan post is convenient for go deep into to the recess of instrument installing zone, rethread bolt and nut's cooperation, thereby makes the utility model discloses fix on the instrument installing zone, secondly, bolt and nut's dismantlement is also more convenient, subsequent maintenance and the change of being convenient for. 3. The utility model adopts a layer of universal display, and can display universal patterns on a display instrument, such as oil mass information, speed information, rotating speed information and the like; the two-layer data control and the function of the key block can control patterns with different colors on the display instrument, so that the information and control information of the display instrument can be conveniently adjusted. 4. The screw hole has guaranteed for setting up of trapezoidal structure that the vehicle receives the striking back, and the screw can not deviate from owing to receive the restriction of trapezoidal screw hole, and the instrument still can be fixed in the panel board installation region promptly.
Drawings
FIG. 1 is a structural diagram of a TFT liquid crystal display instrument according to the present invention;
FIG. 2 is a structural diagram of each view of a TFT liquid crystal display instrument of the present invention;
FIG. 3 is a schematic diagram of the internal position relationship of the TFT liquid crystal module of the present invention.
Reference numerals: the liquid crystal display module comprises an upper cover assembly 1, a bottom shell assembly 2, a TFT liquid crystal assembly 3, a PCB assembly 4, a key circuit board 5, a key rod 6, a key rod hole 7, a key hole 8, a key block 9, a connector 10, a bottom shell column 11, a bottom shell cover plate 12, an inner groove 13, a threaded hole 14, sealing rubber 15, a thin film transistor liquid crystal display screen 16, a brightness enhancement film 17, a liquid crystal layer 18, a substrate 19, a filter layer 20 and a backlight module 21.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Embodiment 1 of the present invention is shown in fig. 1 to 3: a TFT liquid crystal display instrument comprises a TFT liquid crystal assembly 3 and a PCB assembly 4 which are sequentially arranged between an upper cover assembly 1 and a bottom shell assembly 2 from top to bottom, wherein related circuits in the PCB assembly 4 are arranged corresponding to corresponding functions in the TFT liquid crystal assembly 3, one side of the PCB assembly 4 is electrically connected with a plurality of key circuit boards 5, key rods 6 are fixedly arranged on the key circuit boards 5, a plurality of key rod holes 7 through which the key rods 6 penetrate are arranged on one side of the TFT liquid crystal assembly 3, a plurality of key holes 8 are arranged on the upper cover assembly 1, and a plurality of key blocks 9 are arranged on the key holes 8; one end of the key rod 6 is abutted against the key block 9.
The TFT liquid crystal assembly 3 includes a thin film transistor liquid crystal display 16, a brightness enhancement film 17, a liquid crystal layer 18, a substrate 19, a filter layer 20, and a backlight module 21.
The bottom end of the PCB assembly 4 is provided with a connector 10.
The bottom shell assembly 2 extends outwards to form a bottom shell column 11, a bottom shell cover plate 12 is mounted on the bottom shell column 11, and an inner groove 13 for accommodating the connector 10 is formed in the bottom shell column 11; be equipped with a plurality of screw holes 14 that are convenient for install drain pan subassembly 2 in the drain pan subassembly 2, screw hole 14 is trapezoidal structure and aperture and is increased gradually by PCB subassembly 4 to drain pan subassembly 2 direction.
And a sealing rubber 15 is arranged between the connector 10 and the inner groove 13.
The number of the key circuit boards 5 is 2, the number of the key rod holes 7 is 2, the number of the key rods 6 is 2, the number of the key holes 8 is 2, and the number of the key blocks 9 is 2.
The key block 9 is a rubber key block 9, and the upper cover assembly 1 is a transparent upper cover assembly 1.
The upper cover assembly 1, the TFT liquid crystal assembly 3, the PCB assembly 4 and the bottom shell assembly 2 are connected in a threaded fit mode.
The liquid crystal display panel is characterized in that a photosensitive element is arranged in the TFT liquid crystal assembly 3, the TFT liquid crystal assembly 3 further comprises a segment code liquid crystal screen, and a wireless chip is further arranged in the TFT liquid crystal assembly 3.
The utility model discloses a display instrument has following function: 1. the display instrument has an environment brightness detection function, and realizes automatic adjustment or switching of the brightness of the display instrument to display a UI (user interface), so that the visibility requirements of users in different environments are met. 2. The UI interface display with various styles can be realized, and compared with a common segment code screen, the display interface has richer color patterns. 3. The display instrument can be interconnected with a mobile phone, and can display incoming call information of the mobile phone, screen projection navigation and the like.
The utility model discloses the instrument of available car, motorcycle, the instrument of electric motor car etc. take the motormeter to exemplify below.
The utility model discloses a concrete operating procedure as follows: when needs installation the utility model discloses the time for the instrument installing zone on the drain pan subassembly 2 alignment car, and pass through screw hole 14 on the drain pan subassembly 2 with the bolt, the mounting hole cooperatees on bolt and the instrument installing zone, can with the utility model discloses install on the instrument installing zone.
After the installation is finished, when different functions are required to be realized, if a certain indicator lamp on a display instrument is required to be turned on, a user presses the corresponding key block 9, the key block 9 drives the key rod 6 to move downwards, the key rod 6 is communicated with the key circuit board 5 so as to control related circuits in the PCB assembly 4 to adjust, as the related circuits in the PCB assembly 4 correspond to the corresponding functions in the TFT liquid crystal assembly 3, namely the related circuits in the PCB assembly 4 are communicated, namely voltage is increased at the corresponding positions in the TFT liquid crystal assembly 3, an electric field is generated, a liquid crystal layer 18 in the region in the TFT liquid crystal assembly 3 generates certain state change, so that light cannot pass through the substrate 19, the color in the region is changed, and finally the purpose of displaying different color patterns is achieved, namely, the turning-on and turning-off of the indicator lamp.
When needing to be changed the utility model discloses the time, only need unload the bolt and nut on the lower shell subassembly 2, can with the utility model discloses lift off, be convenient for maintain and change. And the trapezoidal structure setting of screw hole has guaranteed that the vehicle is receiving the striking back, and the screw can not deviate from owing to receive the restriction of trapezoidal screw hole, and the instrument still can be fixed in the panel board installation region promptly.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a TFT liquid crystal display instrument, includes upper cover subassembly and drain pan subassembly, its characterized in that: a TFT liquid crystal assembly and a PCB assembly are sequentially arranged between the upper cover assembly and the bottom shell assembly from top to bottom, related circuits in the PCB assembly are arranged corresponding to corresponding functions in the TFT liquid crystal assembly, one side of the PCB assembly is electrically connected with a plurality of key circuit boards, key rods are fixedly arranged on the key circuit boards, a plurality of key rod holes through which the key rods penetrate are arranged on one side of the TFT liquid crystal assembly, a plurality of key holes are arranged on the upper cover assembly, and a plurality of key blocks are arranged on the key holes; one end of the key rod is abutted against the key block.
2. A TFT liquid crystal display instrument as set forth in claim 1, wherein: the TFT liquid crystal assembly comprises a thin film transistor liquid crystal display screen, a brightness enhancement film, a liquid crystal layer, a substrate, a filter layer and a backlight module.
3. A TFT liquid crystal display instrument as set forth in claim 1, wherein: and a connector is arranged at the bottom end of the PCB assembly.
4. A TFT liquid crystal display instrument as set forth in claim 1, wherein: the bottom shell component extends outwards to form a bottom shell column, a bottom shell cover plate is mounted on the bottom shell column, and an inner groove for accommodating a connector is formed in the bottom shell column; the improved structure of the bottom shell assembly comprises a bottom shell assembly and is characterized in that a plurality of threaded holes convenient for installation of the bottom shell assembly are formed in the bottom shell assembly, and the threaded holes are of ladder-shaped structures and gradually increase in diameter from the PCB assembly to the bottom shell assembly.
5. The TFT liquid crystal display instrument of claim 4, wherein: and sealing rubber is arranged between the connector and the inner groove.
6. A TFT liquid crystal display instrument as set forth in claim 1, wherein: the number of the key circuit boards is 2, the number of the key rod holes is 2, the number of the key rods is 2, the number of the key holes is 2, and the number of the key blocks is 2.
7. A TFT liquid crystal display instrument as set forth in claim 1, wherein: the key block is a rubber key block, and the upper cover assembly is a transparent upper cover assembly.
8. A TFT liquid crystal display instrument as set forth in claim 1, wherein: the liquid crystal display panel is characterized in that a photosensitive element is arranged in the TFT liquid crystal assembly, a segment code liquid crystal screen is further arranged in the TFT liquid crystal assembly, and a wireless chip is further arranged in the TFT liquid crystal assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010762.4U CN210454466U (en) | 2019-07-01 | 2019-07-01 | TFT liquid crystal display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010762.4U CN210454466U (en) | 2019-07-01 | 2019-07-01 | TFT liquid crystal display instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210454466U true CN210454466U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921010762.4U Active CN210454466U (en) | 2019-07-01 | 2019-07-01 | TFT liquid crystal display instrument |
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| CN (1) | CN210454466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185279A (en) * | 2020-08-24 | 2021-01-05 | 东风电驱动系统有限公司 | Liquid crystal combination meter and installation method thereof |
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2019
- 2019-07-01 CN CN201921010762.4U patent/CN210454466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185279A (en) * | 2020-08-24 | 2021-01-05 | 东风电驱动系统有限公司 | Liquid crystal combination meter and installation method thereof |
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