CN214793522U - Novel LED temperature digital display - Google Patents
Novel LED temperature digital display Download PDFInfo
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- CN214793522U CN214793522U CN202121484027.4U CN202121484027U CN214793522U CN 214793522 U CN214793522 U CN 214793522U CN 202121484027 U CN202121484027 U CN 202121484027U CN 214793522 U CN214793522 U CN 214793522U
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Abstract
The utility model discloses a novel LED temperature digital display, which comprises a shell and a thermocouple probe arranged on the shell, wherein a power supply and a circuit board powered by the power supply are arranged in the shell, and the thermocouple probe is connected on the circuit board; the circuit board is provided with a controller and an LED display assembly, the LED display assembly comprises a driving chip IC1, a driving chip IC2 and an LED array consisting of a plurality of LED lamps, and the LED array can be displayed on the shell and observed by the outside; the controller is respectively connected with the driving chip IC1 and the driving chip IC2, and the driving chip IC1 and the driving chip IC2 are jointly matched to drive the LED lamps in the LED array to be sequentially turned on/off. The utility model has the advantages of it is following and effect: the temperature value can be seen at a farther distance, particularly in a fog-diffused environment, and can be better observed through the lighting of the LED lamp; and when the temperature exceeds the range, the LED lamp can be controlled to flash for prompting.
Description
Technical Field
The utility model relates to a temperature detect technical field, in particular to novel LED temperature digital display.
Background
Install all on drying-machine drum wall at present in the market and be table needle formula thermometer, inside fog, the dust of appearing of this kind of thermometer easily to lead to seeing unclear numerical value, and this kind of thermometer count is not accurate. Therefore, the existing requirements are not met, and a novel LED temperature digital display is provided for the requirements.
Disclosure of Invention
The utility model aims at providing a novel LED temperature digital display to solve the problem that proposes among the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions: a novel LED temperature digital display comprises a shell and a thermocouple probe arranged on the shell, wherein a power supply and a circuit board powered by the power supply are arranged in the shell, and the thermocouple probe is connected to the circuit board.
The LED display assembly comprises a driving chip IC1, a driving chip IC2 and an LED array consisting of a plurality of LED lamps, wherein the LED array can be displayed on the shell and observed by the outside.
The controller is respectively connected with the driving chip IC1 and the driving chip IC2, and the driving chip IC1 and the driving chip IC2 are jointly matched to drive the LED lamps in the LED array to be orderly lightened on/off.
The further setting is that: the LED array comprises two seven-segment nixie tubes which are formed by a plurality of LED lamps and then display in a point mode after forming a pen segment.
The further setting is that: the power supply is a battery, and a charging module for charging the battery is arranged in the shell.
The further setting is that: the types of the driving chip IC1 and the driving chip IC2 are both ch451, the output ends of the driving chip IC1 and the driving chip IC2 are respectively connected to the negative electrode of each LED lamp, and the positive electrode of each LED lamp is connected to a power supply; in the driving chip IC1 and the driving chip IC2, pins 21 and 22 of the two are connected to a power supply and grounded, and pins 23, 18, 25 and 24 of the two are connected to different enable pins of a controller; the pin 20 of the driving chip IC1 is connected to one end of a resistor R1, the other end of the resistor R1 is connected to one end of a capacitor C1, the one end is grounded, and the other end of the capacitor C1 is connected to a power supply; the pin 26 of the driving chip IC1 is connected to an enable pin of the controller; the pin 17 of the drive chip IC1 is connected to the pin 26 of the drive chip IC 2; pins 19 of the drive chip IC1 and the drive chip IC2 are both connected to a power supply, and pins 27 of the drive chip IC1 and the drive chip IC2 are both grounded; the pin 20 of the driver IC2 is connected to one end of a resistor R2, the other end of the resistor R2 is connected to one end of a capacitor C2, which is also grounded, and the other end of the capacitor C2 is connected to a power supply.
The beneficial effects of the utility model reside in that:
1. the utility model is arranged on the roller of the dryer, the temperature is measured by the thermocouple probe and is displayed on the shell by the LED array; the LED lamp has the advantages of water resistance, dust prevention and fog prevention, is clearer visually, can see temperature values at a longer distance, and is better observed by lighting the LED lamp particularly in a fog diffused environment; and when the temperature exceeds the range, the LED lamp can be controlled to flash for prompting.
2. The utility model discloses in through setting up driver chip IC1 and driver chip IC2, the work of each LED lamp in the control LED array that comes better can realize the output of constant current, guarantees the luminance stability of LED lamp, can optimize circuit structure simultaneously, reduces electronic component's use.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a functional block diagram of an embodiment;
FIG. 3 is a circuit diagram of an LED display assembly in an embodiment;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is an enlarged view of portion C of FIG. 3;
fig. 7 is an enlarged view of a portion D in fig. 3.
In the figure: 11. a housing; 12. a thermocouple probe; 13. a power source; 14. a controller; 15. an LED display assembly; 16. and a charging module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, a novel LED temperature digital display includes a housing 11 and a thermocouple probe 12 disposed on the housing 11, a power supply 13 and a circuit board powered by the power supply 13 are disposed in the housing 11, and the thermocouple probe 12 is connected to the circuit board.
The circuit board is provided with a controller 14 and an LED display assembly 15, and the LED display assembly 15 includes a driving chip IC1, a driving chip IC2 and an LED array composed of a plurality of LED lamps, which can be displayed on the housing 11 and observed from the outside.
The controller 14 is respectively connected with the driving chip IC1 and the driving chip IC2, and the driving chip IC1 and the driving chip IC2 are jointly matched to drive a plurality of LED lamps in the LED array to be sequentially turned on/off.
The LED array comprises two seven-segment nixie tubes which are formed by a plurality of LED lamps and then display in a point mode after forming a pen segment.
The power supply 13 is a battery, a charging module 16 for charging the battery is arranged in the housing 11, and the charging module 16 may be an existing charging chip in the market, such as MAX 1645; the controller 14 may employ an STM8 single chip microcomputer.
Fig. 3 to 7 are circuit diagrams of specific applications of the LED display module 15 in this embodiment. The models of the driving chip IC1 and the driving chip IC2 are both ch451, the output ends of the driving chip IC1 and the driving chip IC2 are respectively connected to the negative electrode of each LED lamp, and the positive electrode of each LED lamp is connected to the power supply 13; in the driving chip IC1 and the driving chip IC2, pins 21 and 22 of the two are connected to the power supply 13 and grounded, and pins 23, 18, 25 and 24 of the two are connected to different enable pins of the controller 14; the pin 20 of the driving chip IC1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the capacitor C1, the one end is grounded, and the other end of the capacitor C1 is connected to the power supply 13; pin 26 of the driver IC1 is connected to an enable pin of the controller 14; the pin 17 of the drive chip IC1 is connected to the pin 26 of the drive chip IC 2; pins 19 of the drive chip IC1 and the drive chip IC2 are both connected to the power supply 13, and pins 27 of the drive chip IC1 and the drive chip IC2 are both grounded; the pin 20 of the driver IC2 is connected to one end of a resistor R2, the other end of the resistor R2 is connected to one end of a capacitor C2, which is also grounded, and the other end of the capacitor C2 is connected to the power supply 13.
In this embodiment, the thermocouple probe 12 extends into the drum of the dryer by about 400mm, the temperature measuring range is 15-60 degrees, the temperature value is displayed by the LED array, whether the temperature is appropriate or not can be displayed by the LED lamps with different color lights (such as blue, green and orange), and the reminding effect can be realized by a flashing mode.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a novel LED temperature digital display which characterized in that: the thermocouple probe comprises a shell (11) and a thermocouple probe (12) arranged on the shell (11), wherein a power supply (13) and a circuit board powered by the power supply (13) are arranged in the shell (11), and the thermocouple probe (12) is connected to the circuit board;
a controller (14) and an LED display assembly (15) are arranged on the circuit board, the LED display assembly (15) comprises a driving chip IC1, a driving chip IC2 and an LED array consisting of a plurality of LED lamps, and the LED array can be displayed on the shell (11) and observed by the outside;
the controller (14) is respectively connected with the driving chip IC1 and the driving chip IC2, and the driving chip IC1 and the driving chip IC2 are jointly matched to drive a plurality of LED lamps in the LED array to be orderly lightened on/off.
2. The novel LED temperature digital display according to claim 1, wherein: the LED array comprises two seven-segment nixie tubes which are formed by a plurality of LED lamps and then display in a point mode after forming a pen segment.
3. The novel LED temperature digital display according to claim 1, wherein: the power supply (13) is a battery, and a charging module (16) for charging the battery is arranged in the shell (11).
4. The novel LED temperature digital display according to claim 1, wherein: the types of the driving chip IC1 and the driving chip IC2 are both ch451, the output ends of the driving chip IC1 and the driving chip IC2 are respectively connected to the negative electrode of each LED lamp, and the positive electrode of each LED lamp is connected to the power supply (13); in the driving chip IC1 and the driving chip IC2, pins 21 and 22 of the driving chip IC1 and the driving chip IC2 are connected to a power supply (13) and grounded, and pins 23, 18, 25 and 24 of the driving chip IC1 and the driving chip IC2 are connected to different enabling pins of a controller (14); the pin 20 of the driving chip IC1 is connected to one end of a resistor R1, the other end of the resistor R1 is connected to one end of a capacitor C1, the end is grounded at the same time, and the other end of the capacitor C1 is connected to a power supply (13); a pin 26 of the driving chip IC1 is connected to an enable pin of the controller (14); the pin 17 of the drive chip IC1 is connected to the pin 26 of the drive chip IC 2; pins 19 of the drive chip IC1 and the drive chip IC2 are both connected to a power supply (13), and pins 27 of the drive chip IC1 and the drive chip IC2 are both grounded; the pin 20 of the driver IC2 is connected to one end of a resistor R2, the other end of the resistor R2 is connected to one end of a capacitor C2, the one end is grounded, and the other end of the capacitor C2 is connected to a power supply (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484027.4U CN214793522U (en) | 2021-07-01 | 2021-07-01 | Novel LED temperature digital display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484027.4U CN214793522U (en) | 2021-07-01 | 2021-07-01 | Novel LED temperature digital display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793522U true CN214793522U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121484027.4U Active CN214793522U (en) | 2021-07-01 | 2021-07-01 | Novel LED temperature digital display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793522U (en) |
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2021
- 2021-07-01 CN CN202121484027.4U patent/CN214793522U/en active Active
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