CN112465096A - Two-dimensional code machine tool with automatic backlight brightness adjustment function - Google Patents
Two-dimensional code machine tool with automatic backlight brightness adjustment function Download PDFInfo
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- CN112465096A CN112465096A CN202011460606.5A CN202011460606A CN112465096A CN 112465096 A CN112465096 A CN 112465096A CN 202011460606 A CN202011460606 A CN 202011460606A CN 112465096 A CN112465096 A CN 112465096A
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- Prior art keywords
- shell
- led lamp
- main control
- cash register
- lamp panel
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- 238000009792 diffusion process Methods 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses a two-dimensional code machine tool with automatically adjusted backlight brightness, particularly relates to a payment machine tool, and particularly relates to the design improvement aspect of the two-dimensional code machine tool with automatically adjusted backlight brightness. The device comprises a shell, a cash register code light-transmitting film, a diffusion film, an LED lamp panel, a pyroelectric sensor module, a power interface and a main control panel; the part of the shell, which is opposite to the light-transmitting film of the cash register code, is transparent; the cash register code light-transmitting film is used for displaying a cash register code, is pasted on the inner side wall of the inner cavity of the shell and is parallel to the diffusion film; the diffusion film is used for amplifying and diffusing the point light source into a surface light source, and is combined with the LED lamp panel through frame glue and then fixed in the inner cavity of the shell through a structural part; LED lamp beads are uniformly distributed on two sides of the LED lamp panel and are connected with the main control panel through wires; the pyroelectric sensor module is arranged on the base of the shell through a structural part and is connected with the main control board through a data wire; the main control board is fixed in the inner cavity of the shell through screws. The invention has the beneficial effect that the backlight brightness of the money receiving code is automatically adjusted.
Description
Technical Field
The invention discloses a two-dimensional code machine tool with automatically adjusted backlight brightness, particularly relates to a payment machine tool, and particularly relates to the design improvement aspect of the two-dimensional code machine tool with automatically adjusted backlight brightness.
Background
Along with the popularization of two-dimensional code payment technology, sweep the sign indicating number payment and become mainstream payment mode, general collection tool does not have the regulatory function of backlight, and when light was not enough, the length of time that the two-dimensional code was discerned increased, has reduced the convenience and the travelling comfort of payment. Even leading to customer dissatisfaction in the payment process and order cancellation.
If two-dimensional code machines have the regulatory function in a poor light, increase the intensity of being shaded when customer comes to pay, make the cash registering code become more clear then can improve the two-dimensional code recognition rate, reduce and pay for a long time, improve the efficiency of paying for a long time.
The prior art automatically increases the brightness of a payment code after a background receives a payment instruction, which requires that a payment collecting jig is connected with a PC (personal computer), so that the prior art is not suitable for being used under the conditions of high liquidity, such as a vegetable field, a vendor and the like, and under the conditions, customers have more selectivity and the success rate of payment is higher. Therefore, in the case of the non-transmission link PC terminal, the machine is required to be provided with a function of adjusting the backlight intensity according to the situation.
Disclosure of Invention
In order to solve the defects, the invention discloses a two-dimensional code machine tool capable of automatically adjusting backlight brightness.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a two-dimensional code machine tool capable of automatically adjusting backlight brightness, which comprises a shell, a cash register code light-transmitting film, a diffusion film, an LED lamp panel, a pyroelectric sensor module, a power interface and a main control panel, wherein the shell is provided with a light-transmitting film; the LED lamp panel is arranged on the LED lamp panel and is used for receiving the cash register code light-transmitting film; the cash register code light-transmitting film is used for displaying a cash register code, is pasted on the inner side wall of the inner cavity of the shell and is parallel to the diffusion film; the diffusion film is used for amplifying and diffusing the point light source into a surface light source, and is combined with the LED lamp panel through frame glue and then fixed in the inner cavity of the shell through a structural part; the LED lamp panel is used for providing a light source, LED lamp beads are uniformly distributed on two sides of the lamp panel and are connected with the main control panel through wires; the pyroelectric sensor module is used for detecting infrared rays with specific wavelength emitted by a human body, is arranged on a shell base through a structural member and is connected with a main control board through a data line; the power interface is used for connecting an external power supply and the main control board and is arranged on the surface of the shell base through a structural part; the main control board is used for controlling the internal devices to work and is fixed in the inner cavity of the shell through screws.
In the invention, the white patch LED lamp is welded on the LED lamp panel.
In the invention, the pyroelectric sensor module is embedded in the surface of the shell, and the detection angle is larger than 30 degrees.
The diffusion film has the function of uniformly distributing light and is convenient for identifying the money receiving code.
In the invention, the cash register code light-transmitting film adopts a transparent substrate and a black code form, so that the contrast is improved.
The invention has the beneficial effect that the backlight brightness of the money receiving code is automatically adjusted.
Drawings
FIG. 1 is a schematic diagram of a two-dimensional code machine with automatic backlight brightness adjustment;
in fig. 1, a mark 1 is a shell, a mark 2 is a cash register code light-transmitting film, a mark 3 is a diffusion film, a mark 4 is an LED lamp panel, a mark 5 is a pyroelectric sensor module, a mark 6 is a power interface, and a mark 7 is a main control panel.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b):
the utility model provides a luminance automatically regulated's two-dimensional code machines is shaded which characterized in that: the LED chip comprises a shell 1, a cash register code light-transmitting film 2, a diffusion film 3, an LED lamp panel 4, a pyroelectric sensor module 5, a power interface 6 and a main control board 7; a cash register code light-transmitting film 2, a diffusion film 3, an LED lamp panel 4 and a main control panel 7 are arranged in a cavity in the shell, and the shell 1 is transparent to the part of the cash register code light-transmitting film 2;
in this example, the housing 1 has a cash register display surface and a sensor inclined surface, and the cash register display surface has two positions, which are respectively located on two sides of the LED lamp panel 4 and perpendicular to the bottom surface of the machine.
The cash register code light-transmitting film 2 is used for displaying a cash register code, is pasted on the inner side wall of the inner cavity corresponding to the cash register code display surface of the shell and is parallel to the diffusion film 3; the sensor inclined plane of the shell is also provided with two positions which are respectively positioned below the cash register display surfaces, the size of an acute angle formed by the sensor inclined plane and the horizontal plane of the base is 45 degrees, the number of the pyroelectric sensor modules 5 is two, the detection wavelength is 7.5-14 um, and the wavelength of infrared rays emitted by a human body is 9 um; through the structure embedded on shell sensor inclined plane, the detection angle of pyroelectric sensor module 5 is 40 degrees, and a limit of detecting the angle is on a parallel with LED lamp plate 4, connects main control board 7 through the data line.
The diffusion film 3 is used for amplifying and diffusing the point light source into a surface light source, and is combined with the LED lamp panel 4 through frame glue and then fixed in the inner cavity of the shell 1 through a structural part; the LED lamp panel 4 is used for providing a light source, LED lamp beads are uniformly distributed on two sides of the lamp panel and are connected with the main control panel 7 through wires;
in the example, the power supply interface is a 12V power supply female connector which is used for connecting an external power supply with the main control board 7 and is arranged on the surface of the base of the shell through a structural part; and the main control board 7 is used for controlling internal devices to work and is fixed in the inner cavity of the shell through screws.
The lamp beads on the LED lamp panel are uniformly distributed left and right, the lamp beads on the left side are divided into two parallel circuits a and b and are respectively controlled by the main control board, the lamp beads on the right side are also divided into two parallel circuits c and d and are respectively controlled by the main control board, and 3 lamp beads are respectively connected in series on the four circuits a, b, c and d.
The main control board 7 is provided with an embedded CPU module and a relay, and the CPU module is connected with control ends a, b, c and d and the corresponding pyroelectric sensor module 5 through an I/O port and a printed circuit.
The left pyroelectric sensor module 5 corresponds to the lines a and b;
the pyroelectric sensor module 5 on the right corresponds to the lines c and d;
the output of the pyroelectric sensor will go through the low level-high level-low level change process, which represents that a human body approaches.
Lamp bead brightening program C0: and (4) closing and conducting the relay, supplying power to the single line of the LED at the single side, timing, and conducting and closing the relay corresponding to the LED line at the same side after 2s to supply power to the LED line.
After the power interface 6 is powered on, the CPU module on the main control board 7 executes the following program:
s1: the outputs of the two pyroelectric sensor modules 5 are read in a circulating manner; judging whether a human body approaches, reading a low level-high level-low level change process by an IO port corresponding to a CPU when a human body approaches, and judging that no human body approaches;
s2: judging an LED lamp bead circuit corresponding to the IO port, and executing a lamp bead brightening program C0 on the LED lamp on the circuit; if no human body approaches, no action is performed.
After the brightness of the LED lamp beads is increased through the effect of the diffusion film 3, the background brightness of the collection code light-transmitting film 2 is uniformly increased through the formed surface light source, so that the black two-dimensional code and the background are more obvious, and the clear image contrast is improved due to the fact that the code scanning identification is based on the image processing technology.
Therefore, after the implementation of the above example, when a customer pays for money in the coming future, the background light is automatically lightened, the payment efficiency and the success rate are improved, and the machine has obvious practicability compared with machines without backlight adjustment.
The above description is only an example of the present invention and does not limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. Luminance automatically regulated's two-dimensional code machines are shaded, its characterized in that:
the device comprises a shell, a cash register code light-transmitting film, a diffusion film, an LED lamp panel, a pyroelectric sensor module, a power interface and a main control panel;
the LED lamp panel is arranged on the LED lamp panel and is used for receiving the cash register code light-transmitting film;
the cash register code light-transmitting film is used for displaying a cash register code, is pasted on the inner side wall of the inner cavity of the shell and is parallel to the diffusion film;
the diffusion film is used for amplifying and diffusing the point light source into a surface light source, and is combined with the LED lamp panel through frame glue and then fixed in the inner cavity of the shell through a structural part;
the LED lamp panel is used for providing a light source, LED lamp beads are uniformly distributed on two sides of the lamp panel and are connected with the main control panel through wires;
the pyroelectric sensor module is used for detecting infrared rays with specific wavelength emitted by a human body, is arranged on a shell base through a structural member and is connected with a main control board through a data line;
the power interface is used for connecting an external power supply and the main control board and is arranged on the surface of the shell base through a structural part;
the main control board is used for controlling the internal devices to work and is fixed in the inner cavity of the shell through screws.
2. The two-dimensional code machine tool with the backlight brightness automatically adjusted according to claim 1, characterized in that:
the LED lamp panel is welded with a white patch LED lamp.
3. The two-dimensional code machine tool with the backlight brightness automatically adjusted according to claim 1, characterized in that:
the pyroelectric sensor module is embedded in the surface of the shell, and the detection angle is larger than 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460606.5A CN112465096A (en) | 2020-12-11 | 2020-12-11 | Two-dimensional code machine tool with automatic backlight brightness adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460606.5A CN112465096A (en) | 2020-12-11 | 2020-12-11 | Two-dimensional code machine tool with automatic backlight brightness adjustment function |
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| Publication Number | Publication Date |
|---|---|
| CN112465096A true CN112465096A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011460606.5A Pending CN112465096A (en) | 2020-12-11 | 2020-12-11 | Two-dimensional code machine tool with automatic backlight brightness adjustment function |
Country Status (1)
| Country | Link |
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| CN (1) | CN112465096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114666688A (en) * | 2022-02-21 | 2022-06-24 | 浙江恒科实业有限公司 | Human body induction prompt broadcasting box |
-
2020
- 2020-12-11 CN CN202011460606.5A patent/CN112465096A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114666688A (en) * | 2022-02-21 | 2022-06-24 | 浙江恒科实业有限公司 | Human body induction prompt broadcasting box |
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Application publication date: 20210309 |
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