CN-121976727-A - Infrared emission control method and device and automatic door

Abstract

The application relates to the technical field of infrared sensing, in particular to an infrared emission control method, an infrared emission control device and an automatic door, wherein the method comprises the steps of controlling an infrared emission head to emit an infrared emission signal, wherein the infrared emission signal comprises a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; the method comprises the steps of obtaining pulse receiving quantity of a transmitting pulse section received by an infrared receiving head, judging whether the pulse receiving quantity meets a power setting condition, wherein the power setting condition is that the pulse receiving quantity is preset receiving quantity, if yes, setting each transmitting power corresponding to an infrared transmitting signal as current transmitting power, and controlling the infrared transmitting head to work based on the current transmitting power. The application can solve the problem that misjudgment is easy to occur due to improper control of infrared emission power when the automatic door is controlled based on infrared emission in the prior art.

Inventors

• HU BOQING

Assignees

• 广东蓝水花智能电子有限公司

Dates

Publication Date

20260505

Application Date

20260205

Claims (10)

1. 1. An infrared emission control method, characterized in that the method comprises: controlling infrared emission to emit an infrared emission signal, wherein the infrared emission signal comprises a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; acquiring the pulse receiving quantity of the transmitting pulse segments received by the infrared receiving head; judging whether the pulse receiving quantity accords with a power setting condition, wherein the power setting condition is that the pulse receiving quantity is preset receiving quantity which is smaller than the total quantity of the transmitting pulse sections; if yes, setting each transmitting power corresponding to the infrared transmitting signals as the current transmitting power, and controlling the infrared transmitting head to work based on the current transmitting power.
2. 2. The infrared emission control method according to claim 1, characterized in that the method further comprises: if the pulse receiving quantity is judged to be larger than the preset receiving quantity, generating a power down shift instruction; Reducing the transmitting power corresponding to the infrared transmitting signal according to the power downshift instruction, and generating a downshift infrared signal; and further regulating and controlling the transmitting power of the infrared transmitting head based on the downshift infrared signal until the pulse receiving quantity corresponding to the infrared receiving head accords with the power setting condition.
3. 3. The infrared emission control method according to claim 2, wherein reducing the emission power corresponding to the infrared emission signal according to the power down shift instruction and generating a down shift infrared signal, comprises: Acquiring a transmitting power gear corresponding to the infrared transmitting signal according to the power downshifting instruction; downshifting the transmitting power gear based on a preset power gear table and generating downshifting infrared power, wherein the power gear table comprises a plurality of preset power gears, and each preset power gear comprises a plurality of transmitting powers with sequentially increasing power; and generating a downshift infrared signal according to the downshift infrared power.
4. 4. The infrared emission control method according to claim 1, characterized in that the method further comprises: if the pulse receiving quantity is less than the preset receiving quantity, generating a power upshift instruction; according to the power upshift instruction, the emission power corresponding to the infrared emission signal is increased, and an upshift infrared signal is generated; And further regulating and controlling the transmitting power of the infrared transmitting head based on the upshift infrared signal until the pulse receiving quantity corresponding to the infrared receiving head accords with the power setting condition.
5. 5. The infrared emission control method according to claim 4, wherein increasing the emission power corresponding to the infrared emission signal according to the power upshift command and generating an upshift infrared signal, comprises: acquiring a transmitting power gear corresponding to the infrared transmitting signal according to the power upshift instruction; Upshifting the transmitting power gear based on a preset power gear table and generating upshift infrared power, wherein the power gear table comprises a plurality of preset power gears, and each preset power gear comprises a plurality of transmitting powers with sequentially increasing power; and generating an upshift infrared signal according to the upshift infrared power.
6. 6. The infrared emission control method according to claim 1, wherein acquiring the number of pulse receptions of the transmission pulse segments received by the infrared reception head includes: Acquiring an infrared response signal of the infrared receiving head after receiving each transmitting pulse segment; and generating pulse receiving quantity according to the infrared response signal.
7. 7. The infrared emission control method according to claim 6, wherein generating a pulse reception number from the infrared response signal includes: generating a response signal duration according to the infrared response signal; and generating pulse receiving quantity according to the response signal duration and the unit pulse duration.
8. 8. An infrared emission control device, the device comprising: The infrared emission control module is used for controlling infrared emission to emit infrared emission signals, wherein the infrared emission signals comprise a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; the pulse receiving and acquiring module is used for acquiring the pulse receiving quantity of the transmitting pulse segments received by the infrared receiving head; The power setting judging module is used for judging whether the pulse receiving quantity accords with a power setting condition, wherein the power setting condition is that the pulse receiving quantity is preset receiving quantity which is smaller than the total quantity of the transmitting pulse sections; And the infrared emission setting module is used for setting each emission power corresponding to the infrared emission signal as the current emission power if the judgment is yes, and controlling the operation of the infrared emission head based on the current emission power.
9. 9. The infrared emission control device of claim 8, wherein the infrared emission setting module is further configured to: if the pulse receiving quantity is judged to be larger than the preset receiving quantity, generating a power down shift instruction; Reducing the transmitting power corresponding to the infrared transmitting signal according to the power downshift instruction, and generating a downshift infrared signal; and further regulating and controlling the transmitting power of the infrared transmitting head based on the downshift infrared signal until the pulse receiving quantity corresponding to the infrared receiving head accords with the power setting condition.
10. 10. The utility model provides an automatically-controlled door, includes infrared emission head and infrared receiving head, its characterized in that still includes infrared emission controlling means, infrared emission controlling means includes: The infrared emission control module is used for controlling infrared emission to emit infrared emission signals, wherein the infrared emission signals comprise a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; the pulse receiving and acquiring module is used for acquiring the pulse receiving quantity of the transmitting pulse segments received by the infrared receiving head; The power setting judging module is used for judging whether the pulse receiving quantity accords with a power setting condition, wherein the power setting condition is that the pulse receiving quantity is preset receiving quantity which is smaller than the total quantity of the transmitting pulse sections; And the infrared emission setting module is used for setting each emission power corresponding to the infrared emission signal as the current emission power if the judgment is yes, and controlling the operation of the infrared emission head based on the current emission power.

Description

Infrared emission control method and device and automatic door Technical Field The application relates to the technical field of infrared sensing, in particular to an infrared emission control method, an infrared emission control device and an automatic door. Background The existing infrared transmitting heads and infrared receiving heads are respectively arranged at two sides of the automatic door, the infrared transmitting heads always transmit infrared signals, and when the infrared receiving heads cannot receive the signals, it is judged that someone stands in the middle of the door, and the automatic door needs to be kept open all the time. The required infrared emission power is different for different widths of automatic door. The illumination intensity of indoor and outdoor different sunlight is different, and the infrared ray that carries also can influence infrared reception, so also needs different transmitting power, when the infrared light that its carried is too strong, when the infrared light covered infrared emission's infrared light, lead to infrared reception unable to receive infrared light that infrared emission sent, lead to misjudgement always someone to stand in the middle of the door, therefore appear a noon time, when the sunlight is most violent, automatic door remains the condition of opening all the time because of misjudgement. The power of infrared emission in the prior market is set to be a strong gear or a weak gear when leaving a factory or being installed by an installer, and the strong gear and the weak gear respectively correspond to stronger power and weaker power. Setting the weak gear easily causes insufficient transmitting power to cause the problem of erroneous judgment because infrared is not received. When setting up strong shelves, if child or pet is in the middle of the automatically-controlled door, because infrared emission power is stronger, infrared light exists reflection function again, and child or pet can't shield the infrared light that the infrared emission head sent completely, leads to infrared receiver head on the contrary can receive infrared light, and the automatically-controlled door judges the middle unmanned of door this moment, and the control closes the automatically-controlled door, but actually someone at this moment leads to the safety problem who presss from both sides child or pet easily. Therefore, there is a need for an infrared emission control method, an infrared emission control device and an automatic door, which solve the problem that erroneous judgment is easily generated due to improper control of infrared emission power when the automatic door is controlled based on infrared emission in the prior art. Disclosure of Invention Accordingly, in order to solve the above-mentioned problems, it is necessary to provide an infrared emission control method, an infrared emission control device and an automatic door, which can solve the problem that erroneous judgment is likely to occur due to improper control of infrared emission power when the automatic door is controlled based on infrared emission in the prior art. The technical scheme of the invention is as follows: an infrared emission control method, the method comprising: controlling infrared emission to emit an infrared emission signal, wherein the infrared emission signal comprises a plurality of emission pulse segments, and one emission pulse segment corresponds to one emission power; acquiring the pulse receiving quantity of the transmitting pulse segments received by the infrared receiving head; judging whether the pulse receiving quantity accords with a power setting condition, wherein the power setting condition is that the pulse receiving quantity is preset receiving quantity which is smaller than the total quantity of the transmitting pulse sections; if yes, setting each transmitting power corresponding to the infrared transmitting signals as the current transmitting power, and controlling the infrared transmitting head to work based on the current transmitting power. Optionally, the method further comprises: if the pulse receiving quantity is judged to be larger than the preset receiving quantity, generating a power down shift instruction; Reducing the transmitting power corresponding to the infrared transmitting signal according to the power downshift instruction, and generating a downshift infrared signal; and further regulating and controlling the transmitting power of the infrared transmitting head based on the downshift infrared signal until the pulse receiving quantity corresponding to the infrared receiving head accords with the power setting condition. Optionally, reducing the emission power corresponding to the infrared emission signal according to the power down shift instruction, and generating a down shift infrared signal, including: Acquiring a transmitting power gear corresponding to the infrared transmitting signal according to the power downshifting instruc