CN210325160U - Electric cooker LCD display circuit function board - Google Patents
Electric cooker LCD display circuit function board Download PDFInfo
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- CN210325160U CN210325160U CN201921163723.8U CN201921163723U CN210325160U CN 210325160 U CN210325160 U CN 210325160U CN 201921163723 U CN201921163723 U CN 201921163723U CN 210325160 U CN210325160 U CN 210325160U
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Abstract
The embodiment of the utility model discloses a functional board of an LCD display circuit of an electric cooker, which is characterized by comprising an LCD display screen, a 9V direct current power supply, an external connection interface, an electrifying indicator lamp, a reset key and a switch button; the 9V direct-current power supply, the external connection interface, the power-on indicator lamp, the reset key and the switch button are respectively connected with the LCD display screen. The external connection line interfaces at least comprise two groups. The embodiment of the utility model separates the intelligent washing machine processor circuit from the whole intelligent washing machine mainboard circuit and designs the circuit into an independent circuit board, thereby facilitating the learning, detection and maintenance training; furthermore, test points are led out from main components in the circuit simulation function board of the intelligent washing machine processor, test point signals can be conveniently obtained through the test interface, and chip-level fault detection and maintenance guidance of the circuit board can be quickly and accurately achieved.
Description
Technical Field
The embodiment of the utility model provides an electronic circuit chip level inspection maintenance technical field, concretely relates to electricity rice cooker LCD display circuit function board.
Background
The mainboard of the existing intelligent electric cooker on the market is a complete mainboard and cannot be disassembled, and a sub-module circuit board for each functional circuit of the mainboard of the intelligent washing machine is not needed. Is not suitable for teaching, practical training and corresponding detection and maintenance.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an electricity rice cooker LCD display circuit function board to solve among the prior art because the electric rice cooker mainboard of intelligence is complete mainboard, the not split, do not need not to teach, instruct and the problem of the maintenance of detection that corresponds is being trained and is really trained and lead to the submodule piece circuit board of each functional circuit of intelligence washing machine mainboard.
In order to realize the above-mentioned purpose, the embodiment of the utility model provides an electricity rice cooker LCD display circuit function board designs the electric rice cooker LCD display circuit part of intelligence alone, on the basis that the electric rice cooker LCD that is realized the complete demonstration principle of electric rice cooker and vivid function show, still provides the detection interface to main components and parts, and the intelligent detection who realizes the chip level maintenance detects the chip level trouble on the electric rice cooker LCD display circuit function board simulation function board of intelligence that can be convenient, realizes the intelligent detection of chip level maintenance and guides the maintenance. The specific technical scheme is as follows:
the embodiment of the utility model provides a function board of an LCD display circuit of an electric cooker, which is characterized by comprising an LCD display screen, a controller, a 9V DC power circuit, an external connection interface, an electrifying indicator lamp, a reset button and a switch button; the 9V direct-current power supply circuit, the external connection interface, the power-on indicator lamp, the reset key, the switch button and the LCD display screen are respectively connected with the controller.
Furthermore, the external connection line interfaces at least comprise two groups.
Further, the LCD adopts a 1602A display screen, and the controller adopts a control chip STC89C52.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model separates the intelligent washing machine processor circuit from the whole intelligent washing machine mainboard circuit and designs the circuit into an independent circuit board, thereby facilitating the learning, detection and maintenance training;
furthermore, test points are led out from main components in the circuit simulation function board of the intelligent washing machine processor, test point signals can be conveniently obtained through the test interface, and chip-level fault detection and maintenance guidance of the circuit board can be quickly and accurately achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic diagram of a functional board structure of an LCD display circuit of an electric cooker provided in embodiment 1 of the present invention;
fig. 2 is a diagram of a control chip and pins thereof provided in embodiment 1 of the present invention;
fig. 3 is a schematic circuit diagram of an LCD display screen provided in embodiment 1 of the present invention;
in the figure: 1: a, connecting a wiring interface externally; 2: b, connecting a connecting line interface; 3: STBLED1 power-on indicator light; 4: POWERINPUT 9V, 9V DC power supply; 5: a switch button; 6: s3 resets the key.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a schematic diagram of a functional board structure of an LCD display circuit of an electric cooker according to embodiment 1 of the present invention is characterized in that the functional board structure includes an LCD display screen, a controller, a 9V dc power circuit, an external connection interface, an upper power indicator, a reset button and a switch button; the 9V direct-current power supply circuit, the external connection interface, the power-on indicator lamp, the reset key, the switch button and the LCD display screen are respectively connected with the controller.
Furthermore, the external connection line interfaces at least comprise two groups. Preferably, in embodiment 1 of the present invention, the external connection interface includes A, B two sets of external connection interfaces.
Further, the LCD adopts a 1602A display screen, and the controller adopts a control chip STC89C52.
Fig. 2 is a diagram of a control chip and pins thereof provided in embodiment 1 of the present invention; referring to fig. 3, which is a schematic diagram of a circuit connection of the LCD display provided in embodiment 1 of the present invention, pin 3 of the LCD display is connected to pin 30 of the control chip through latch 74LS 373. Pin 1 of the LCD screen is connected with the ground, pin 2 is connected with the 5V power supply, and pin 1 and pin 2 are connected with an indirect capacitor C4.
It should be noted that the connection between the latch 74LS373 and the LCD panel and the control chip belongs to the prior art in the field, and is not described herein again.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model separates the intelligent washing machine processor circuit from the whole intelligent washing machine mainboard circuit and designs the circuit into an independent circuit board, thereby facilitating the learning, detection and maintenance training;
furthermore, test points are led out from main components in the circuit simulation function board of the intelligent washing machine processor, test point signals can be conveniently obtained through the test interface, and chip-level fault detection and maintenance guidance of the circuit board can be quickly and accurately achieved.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (3)
1. A kind of electric cooker LCD display circuit function board, characterized by, including LCD display screen, controller, direct-flow power supply circuit of 9V, connect the interface, power on pilot lamp, reset key set and shift knob; the 9V direct-current power supply circuit, the external connection interface, the power-on indicator lamp, the reset key, the switch button and the LCD display screen are respectively connected with the controller.
2. The LCD display circuit function board of the electric cooker as claimed in claim 1, wherein the external connection interface comprises at least two groups.
3. The electric cooker LCD display circuit function board of claim 1, wherein the LCD adopts a 1602A display screen, and the controller adopts a control chip STC89C52.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163723.8U CN210325160U (en) | 2019-07-23 | 2019-07-23 | Electric cooker LCD display circuit function board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163723.8U CN210325160U (en) | 2019-07-23 | 2019-07-23 | Electric cooker LCD display circuit function board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325160U true CN210325160U (en) | 2020-04-14 |
Family
ID=70125184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921163723.8U Active CN210325160U (en) | 2019-07-23 | 2019-07-23 | Electric cooker LCD display circuit function board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210325160U (en) |
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2019
- 2019-07-23 CN CN201921163723.8U patent/CN210325160U/en active Active
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