CN217363087U - Low-power consumption infrared receiving circuit - Google Patents
Low-power consumption infrared receiving circuit Download PDFInfo
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- CN217363087U CN217363087U CN202221488801.3U CN202221488801U CN217363087U CN 217363087 U CN217363087 U CN 217363087U CN 202221488801 U CN202221488801 U CN 202221488801U CN 217363087 U CN217363087 U CN 217363087U
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- receiving tube
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Abstract
The utility model discloses a low-power consumption infrared receiving circuit, including infrared receiving component and control assembly, infrared receiving component includes infrared receiving tube, control assembly includes MCU, MCU includes PB1 foot, PB2 foot, PB3 foot, PB4 foot, infrared receiving tube includes PT-foot and PT + foot, PT-foot one end is connected with PB2 foot one end, PT + foot one end is connected with PB1 foot one end; the utility model mainly connects the infrared receiving tube with the power supply assembly through the MCU, the infrared receiving tube receives the infrared signal transmitted by the transmitting tube, then decodes the signal, controls the corresponding output port through the MCU, controls the power supply state of the infrared receiving tube by the software program, and supplies power to the receiving tube when the receiving tube receives the infrared signal; when the receiving tube does not receive the infrared signal, the power supply of the receiving tube is cut off, the power consumption is reduced, and the service life of the battery is prolonged to a certain extent.
Description
Technical Field
The utility model relates to the technical field of household appliances, specifically a low-power consumption infrared receiving circuit.
Background
The existing infrared receiving circuit (as shown in fig. 4) receives the infrared signal transmitted from the transmitting tube through an infrared receiving tube, then decodes the received signal, and controls the corresponding output port through the MCU, the infrared receiving tube needs to be connected to the positive and negative terminals of the power supply, and is mainly used for remote control receiving circuits of various household appliances, such as household air conditioners, water heaters, etc., however, because the receiving tube needs to be connected to the positive and negative terminals of the power supply, and the receiving tube is also in a power supply state when it does not receive the infrared signal, it is very disadvantageous for small household appliances using dry batteries, and shortens the service life of the battery, so we need to provide a low power consumption infrared receiving circuit to solve the above existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low-power consumption infrared receiving circuit, an infrared receiving tube is connected with a power supply component through a MCU, the power supply state of the receiving tube is controlled by a software program, and when the receiving tube receives an infrared signal, the receiving tube is powered; when the receiving tube does not receive the infrared signal, the power supply of the receiving tube is cut off, and the power consumption is reduced, so that the problems in the background art are solved.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an infrared receiving circuit of low-power consumption, includes infrared receiving component and control assembly, infrared receiving component includes infrared receiving tube, control assembly includes MCU, MCU includes PB1 foot, PB2 foot, PB3 foot, PB4 foot, infrared receiving tube includes PT-foot and PT + foot, PT-foot one end is connected with PB2 foot one end, PT + foot one end is connected with PB1 foot one end, PT-foot one end still is connected with resistance R3, resistance R3 one end is connected with PB4 one end foot, PT + foot one end still is connected with resistance R4, resistance R4 one end is connected with PB3 foot one end, MCU 3 one end electric connection has power supply assembly.
Preferably, a capacitor C5 is connected between the PT-pin and the resistor R3, a capacitor C4 is connected between the PT + pin and the resistor R4, and one end of the capacitor C4 and one end of the resistor C5 are both connected to a ground line.
Preferably, the MCU further comprises a VDD pin and a VSS pin, and the MCU is provided with a polarity identification point at the VDD pin.
Preferably, the power supply assembly comprises a power supply battery, and two ends of the power supply battery are respectively connected with the VDD pin and the VSS pin.
Preferably, the power supply battery is a dry battery.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model mainly connects the infrared receiving tube with the power supply assembly through the MCU, the infrared receiving tube receives the infrared signal transmitted by the transmitting tube, then decodes the signal, controls the corresponding output port through the MCU, controls the power supply state of the infrared receiving tube by the software program, and supplies power to the receiving tube when the receiving tube receives the infrared signal; when the receiving tube does not receive the infrared signal, the power supply of the receiving tube is cut off, the power consumption is reduced, and the service life of the battery is prolonged to a certain extent.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
fig. 2 is a circuit diagram of the control assembly of the present invention;
fig. 3 is a circuit diagram of the infrared receiving module of the present invention;
fig. 4 is a circuit diagram of a conventional infrared receiving circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. 1-3, the present invention provides a technical solution: a low-power consumption infrared receiving circuit comprises an infrared receiving assembly and a control assembly, wherein the infrared receiving assembly comprises an infrared receiving tube IR2, the control assembly comprises an MCU (microprogrammed control Unit), the MCU comprises a PB1 pin, a PB2 pin, a PB3 pin and a PB4 pin, the infrared receiving tube IR2 comprises a PT-pin and a PT + pin, one end of the PT-pin is connected with one end of a PB2 pin, one end of the PT + pin is connected with one end of a PB1 pin, one end of the PT-pin is further connected with a resistor R3, one end of a resistor R3 is connected with one end of the PB4 pin, one end of the PT + pin is further connected with a resistor R4, one end of the resistor R4 is connected with one end of a PB3 pin, and one end of the MCU is electrically connected with a power supply assembly;
the novel infrared receiving tube receives an infrared signal transmitted by the transmitting tube through the IR2, then decodes the infrared signal, controls a corresponding output port through the MCU after decoding the signal, but two ends of the receiving tube are connected to the port of the MCU, controls a power supply of the receiving tube through a software program, and supplies power to the receiving tube when the receiving tube receives the infrared signal; when the receiving tube does not receive the infrared signal, the power supply of the receiving tube is cut off, the power consumption is reduced, and the novel infrared receiving circuit can effectively prolong the service life of a battery for a product powered by a dry battery. The circuit can be used for various small household appliances, and the currently applied product is a household liquid soap machine.
And a capacitor C5 is connected between the PT-pin and the resistor R3, a capacitor C4 is connected between the PT + pin and the resistor R4, and one end of the capacitor C4 and one end of the resistor C5 are both connected with the ground wire.
MCU still includes VDD foot and VSS foot, and MCU is located VDD foot department and is provided with polarity identification point, and polarity when being convenient for the MCU installation through polarity identification point discerns, reduces the MCU installation and appears extremely anti-phenomenon.
The power supply assembly comprises a power supply battery, two ends of the power supply battery are respectively connected with the VDD pin and the VSS pin, the power supply battery is a dry battery, the service life of the battery can be effectively prolonged, and the circuit can be used for various small household appliances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A low-power consumption infrared receiving circuit, includes infrared receiving component and control assembly, its characterized in that: the infrared receiving assembly includes infrared receiving tube, control assembly includes MCU, MCU includes PB1 foot, PB2 foot, PB3 foot, PB4 foot, infrared receiving tube includes PT-foot and PT + foot, PT-foot one end is connected with PB2 foot one end, PT + foot one end is connected with PB1 foot one end, PT-foot one end still is connected with resistance R3, resistance R3 one end is connected with PB4 one end foot, PT + foot one end still is connected with resistance R4, resistance R4 one end is connected with PB3 foot one end, MCU one end electric connection has the power supply unit.
2. A low power consumption infrared receiving circuit according to claim 1, characterized in that: and a capacitor C5 is connected between the PT-pin and the resistor R3, a capacitor C4 is connected between the PT + pin and the resistor R4, and one end of the capacitor C4 and one end of the resistor C5 are both connected with the ground wire.
3. A low power consumption infrared receiving circuit according to claim 1, characterized in that: the MCU also comprises a VDD pin and a VSS pin, and a polarity identification point is arranged at the position, located at the VDD pin, of the MCU.
4. A low power consumption infrared receiving circuit according to claim 3, characterized in that: the power supply assembly comprises a power supply battery, and two ends of the power supply battery are respectively connected with the VDD pin and the VSS pin.
5. The low-power consumption infrared receiving circuit according to claim 4, characterized in that: the power supply battery is a dry battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221488801.3U CN217363087U (en) | 2022-06-14 | 2022-06-14 | Low-power consumption infrared receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221488801.3U CN217363087U (en) | 2022-06-14 | 2022-06-14 | Low-power consumption infrared receiving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217363087U true CN217363087U (en) | 2022-09-02 |
Family
ID=83038374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221488801.3U Active CN217363087U (en) | 2022-06-14 | 2022-06-14 | Low-power consumption infrared receiving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217363087U (en) |
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2022
- 2022-06-14 CN CN202221488801.3U patent/CN217363087U/en active Active
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