Unmanned judgment method based on checkpoint trigger

Abstract

The present invention discloses an unmanned judgment method based on a checkpoint trigger. In the method, the light switch is not or not completely directly controlled by a human body sensor or trigger, but is managed and controlled by a logic control unit. When a person passes through a checkpoint, the logic control unit is triggered to start the unmanned judgment logic. Once the logic control unit determines that there is a person in the area, the judgment ends until the checkpoint trigger is triggered again. During this period, it is no longer affected by the human body sensor. Even if the human body sensor is triggered by mistake, the state of the light will not be affected. At the same time, when the area is unmanned, the logic control unit can prohibit the human body sensor from controlling the light, thereby solving the problem of the light being on all the time caused by the human body sensor being triggered by mistake due to environmental interference.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned judgment, and in particular to an unmanned judgment method based on a checkpoint trigger. Background Art

[0002] The existing unmanned judgment technology on the market usually uses human body sensors such as infrared, ultrasonic, microwave, etc. to determine whether there is a human body in the area to be detected, and directly controls the on and off of the light according to the human or unmanned signal of the sensor.

[0003] Taking the most commonly used infrared human body sensor as an example, its implementation method is generally to associate the infrared sensor with the control circuit of the lamp, such as Figure 1 As shown, the control unit of the light directly receives the signal of presence or absence sent by the sensor. When the control circuit receives the signal of presence from the infrared sensor, the light is turned on; when the signal of absence is received, the light is turned off after a certain delay time. If the signal of presence is received again during the delay period, the delay is stopped and the next signal of absence is waited for. However, due to the defects of the sensor itself, technical limitations, or interference from the environment, all existing sensors cannot avoid the problem of false triggering, that is, they may mistakenly send out a signal of absence when there are still people in the area; they may also mistakenly send out a signal of presence when there are no people. The former may cause the problem of mistakenly turning off the light, and the latter may cause the light to be on all the time. The general solution is to increase the number of sensors used, and the judgment is valid only when all sensors make the same judgment; or to extend the delay time required for judging the unmanned state. If a signal of presence appears again during this period, it will continue to be regarded as a person. However, neither of these two methods can completely solve the problem of false triggering, and may cause the light to be on for an unnecessary long time. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an unmanned judgment method based on a checkpoint trigger.

[0005] An embodiment of the present invention solves the technical problem by adopting a technical solution: a method for judging the absence of people based on a checkpoint trigger, setting the entrance and exit of a room as checkpoints, and installing triggers at the entrance and exit; installing a logic control unit and a plurality of human body sensors in the room, the light can be turned on by a human signal from the trigger or by a human signal from the human body sensor, and the logic control unit is used to control the light to be turned off;

[0006] Set the delay for reading the status of the human body sensor after the checkpoint is triggered to M seconds, set the entire unmanned judgment logic timeout to N minutes, and the additional detection delay to P minutes;

[0007] The logic control unit performs the following unmanned judgment method:

[0008] Step 1: Wait for the checkpoint trigger signal, and proceed to step 2 after receiving the checkpoint trigger signal;

[0009] Step 2: Start a delay of M seconds and read the status of all human sensors after the delay ends:

[0010] A. If the status of the human body sensor is that there is someone, the logic result of the unmanned judgment is that there is someone and the unmanned judgment ends and returns to step 1;

[0011] B. If the status of the human body sensor is no one, the no one judgment logic enters step 3;

[0012] Step 3: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0013] A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1;

[0014] B. After the delay ends, go to step 4;

[0015] Step 4: Start querying and recording the status of the controlled circuit. The delay time is the number of seconds corresponding to the number of circuits:

[0016] A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1;

[0017] B. After the delay ends, start the unmanned scene and go to step 5;

[0018] Step 5: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0019] A. During the delay process, if any one person signal is received, all circuit states are restored to the state queried in step 4. If the logic result of the person judgment is that there is a person, then go to step 6;

[0020] B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1;

[0021] Step 6: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0022] A. If any one human signal is received during the delay process, the result of the human judgment logic is human, and all circuit states are restored to the state queried in step 4. The entire judgment logic ends and returns to step 1;

[0023] B. If no human signal is received during the delay, the unmanned scene is started and then the process goes to step 7;

[0024] Step 7: Start a delay of P minutes and wait for the signal of the human body sensor during the delay;

[0025] A. If any one person signal is received during the delay process, the result of the no-person judgment logic is that there is a person, and all circuit states are restored to the state queried in step 4. The no-person judgment logic ends and returns to step 1;

[0026] B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1.

[0027] Furthermore, the logic control unit is used to maintain the status of whether an area is occupied. When the result of the unoccupied judgment logic is that there is someone, this status is set to occupied; when the result of the unoccupied judgment logic is that there is no one, it is set to unoccupied; this status can be reported to the upper-level control system and used for relevant control logic.

[0028] Further, in step 1, the logic control unit detects whether a light is triggered by a trigger or a human sensor, and if so, prohibits the triggering.

[0029] Further, in step 1, if two triggers occur within a time interval of K seconds, the trigger or human body sensor is no longer prohibited from turning on the light.

[0030] Furthermore, the value of K is set to 1-3.

[0031] Furthermore, the logic control unit sets a time interval for abnormal triggering, and the trigger or human body sensor is no longer prohibited from turning on the light outside the time interval.

[0032] Furthermore, the trigger may at least be set to be a door magnet or an infrared human body sensor or a microwave human body sensor.

[0033] Further, the human body sensor may at least be configured as an infrared human body sensor, a microwave human body sensor, or an ultrasonic human body sensor.

[0034] The beneficial effects of the present invention are as follows: an unmanned judgment method based on a checkpoint trigger, in which the light switch is not or is not completely controlled by a human body sensor or trigger directly, but is managed by a logic control unit. When a person passes through a checkpoint, the logic control unit is triggered to start the unmanned judgment logic. Once the logic control unit determines that there is someone in the area, the judgment ends until the checkpoint trigger is triggered again. During this period, it is no longer affected by the human body sensor, and even if the human body sensor is falsely triggered, it will not affect the state of the light. At the same time, when the area is unmanned, the logic control unit can prohibit the human body sensor from controlling the light, thereby solving the problem of the light being on all the time due to the human body sensor being falsely triggered by environmental interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0036] Figure 1 A schematic diagram of the composition of an existing unmanned judgment method;

[0037] Figure 2 A schematic diagram of the structure of the unmanned judgment method based on the checkpoint trigger;

[0038] Figure 3 The figure is a logical flow chart of the unmanned judgment method based on checkpoint triggers. DETAILED DESCRIPTION

[0039] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0040] In the description of the present invention, the meaning of "above", "below", "exceed", etc. is not inclusive of the number itself, and the meaning of "above", "below", "within", etc. is inclusive of the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0041] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0043] Reference Figures 1 to 3 , based on the unmanned judgment method of the checkpoint trigger, the entrance and exit of the room are set as checkpoints, and triggers are installed at the entrance and exit; a logic control unit and several human body sensors are installed in the room, and the light can be turned on by the human signal of the trigger or by the human signal of the human body sensor, and the logic control unit is used to control the light to turn off;

[0044] Set the delay for reading the status of the human body sensor after the checkpoint is triggered to M seconds, set the entire unmanned judgment logic timeout to N minutes, and the additional detection delay time to P minutes;

[0045] The logic control unit performs the following unmanned judgment method:

[0046] Step 1: Wait for the checkpoint trigger signal, and proceed to step 2 after receiving the checkpoint trigger signal;

[0047] Step 2: Start a delay of M seconds and read the status of all human sensors after the delay ends:

[0048] A. If the status of the human body sensor is that there is someone, the logic result of the unmanned judgment is that there is someone and the unmanned judgment ends and returns to step 1;

[0049] B. If the status of the human body sensor is no one, the no one judgment logic enters step 3;

[0050] Step 3: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0051] A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1;

[0052] B. After the delay ends, go to step 4;

[0053] Step 4: Start querying and recording the status of the controlled circuit. The delay time is the number of seconds corresponding to the number of circuits:

[0054] A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1;

[0055] B. After the delay ends, start the unmanned scene and go to step 5;

[0056] Step 5: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0057] A. During the delay process, if any one person signal is received, all circuit states are restored to the state queried in step 4. If the logic result of the person judgment is that there is a person, then go to step 6;

[0058] B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1;

[0059] Step 6: Start a delay of N minutes and wait for the signal from the human body sensor during the delay:

[0060] A. If any one human signal is received during the delay process, the result of the human judgment logic is human, and all circuit states are restored to the state queried in step 4. The entire judgment logic ends and returns to step 1;

[0061] B. If no human signal is received during the delay, the unmanned scene is started and then the process goes to step 7;

[0062] Step 7: Start a delay of P minutes and wait for the signal of the human body sensor during the delay;

[0063] A. If any one person signal is received during the delay process, the result of the no-person judgment logic is that there is a person, and all circuit states are restored to the state queried in step 4. The no-person judgment logic ends and returns to step 1;

[0064] B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1.

[0065] The logic control unit is used to maintain the status of whether an area is occupied. When the result of the unoccupied judgment logic is that there is someone, this status is set to occupied; when the result of the unoccupied judgment logic is that there is no one, it is set to unoccupied; this status can be reported to the upper-level control system and used for related control logic.

[0066] In step 1, the logic control unit detects whether a light is triggered by a trigger or a human sensor, and if so, prohibits the triggering.

[0067] In step 1, if two triggers occur within a time interval of K seconds, the trigger or human sensor is no longer prohibited from turning on the light.

[0068] The value of K is set to 1-3.

[0069] The logic control unit sets a time interval for abnormal triggering, and the trigger or human body sensor is no longer prohibited from turning on the light outside the time interval.

[0070] The trigger can at least be set to be a door magnet or an infrared human body sensor or a microwave human body sensor.

[0071] The human body sensor may be configured as at least an infrared human body sensor, a microwave human body sensor, or an ultrasonic human body sensor.

[0072] One use scenario of the present invention is the detection of unoccupied state in a hotel room. The specific implementation method is as follows:

[0073] Because the door of the hotel room is usually closed, guests need to open the door to enter and exit the room, and then the door will close automatically, so the door can be used as a checkpoint. A door magnet is installed on the door of the hotel room as a checkpoint sensor, and an infrared human body sensor is installed at an appropriate location in the room. For larger rooms, multiple infrared human body sensors can be used. The signal logic relationship is OR. The door magnet or infrared human body sensor is used to control the light to turn on; the logic control unit is used to control the light to turn off;

[0074] According to the characteristics of the device used and the requirements of the control effect, it is assumed that three delays are set, M is 5 seconds; N is 2 minutes, and P is 20 minutes; the control logic is as follows:

[0075] Step 1: Wait for the door sensor's open or close signal, and proceed to step 2 after receiving this signal;

[0076] Step 2: Start a 5-second delay and read the status of the infrared human body sensor after the delay ends;

[0077] A. If the infrared human body sensor status is "someone is present", the no-person judgment logic result is "someone is present", the room status is "someone is present", and the entire no-person judgment logic ends and returns to step 1;

[0078] B. If the infrared human body sensor status is no one, the judgment logic enters step 3;

[0079] Step 3: Start a 2-minute delay and wait for the signal from the infrared human body sensor during the delay;

[0080] A. If any one occupancy signal is received during the delay process, the occupancy judgment logic result is occupancy, the room status is occupancy, and the judgment logic ends and returns to step 1;

[0081] B. After the 2-minute delay, go to step 4;

[0082] Step 4: Start to query and record the status of the controlled circuit. It takes a certain amount of time to query the circuit. The delay time here is the number of seconds corresponding to the number of circuits.

[0083] A. If any one human signal is received during the delay process, the result of the unmanned judgment mode is that there is someone, the room status is that there is someone, and the entire judgment logic ends and returns to step 1;

[0084] B. After the delay ends, the logic control unit sends a light-off signal, the room status is empty, and then goes to step 5;

[0085] Step 5: Start a 2-minute delay and wait for the signal from the infrared human body sensor during the delay;

[0086] A. If any one occupancy signal is received during the delay process, all circuit states are restored to the state queried in step 4. The logic result of the occupancy judgment is occupancy, the room state is occupancy, and then go to step 6;

[0087] B. If no human signal is received during the delay, the result of the no-person judgment logic is no-person, the room status is no-person, and the entire judgment logic ends and returns to step 1;

[0088] Step 6: Start a 2-minute delay and wait for the signal from the infrared human body sensor during the delay;

[0089] A. If any one occupancy signal is received during the delay process, the occupancy judgment logic result is occupancy, the room status is occupancy, all circuit status is restored to the status queried in step 4, and the entire judgment logic ends and returns to step 1;

[0090] B. If no human signal is received during the delay, the room status is empty, the logic control unit sends a light-off signal, and then goes to step 7;

[0091] Step 7: Start a 20-minute delay and wait for the signal from the human body sensor during the delay;

[0092] A. If any one occupancy signal is received during the delay process, the logic result of the occupancy judgment is occupancy, the room status is occupancy, and all circuit statuses are restored to the status queried in step 4. The entire judgment logic ends and returns to step 1;

[0093] B. If no human signal is received during the delay process, the logic result of the unmanned judgment is that no one is in the room, the room status is no one, and the entire judgment logic mode ends and returns to step 1.

[0094] The logic control unit is used to maintain the status of whether the room is occupied. When the status changes, it can report to the upper-level hotel control system or accept inquiries from the hotel control system.

[0095] 1. In step 1, the logic control unit detects whether a light is triggered by the infrared human body sensor, and if so, prohibits the triggering;

[0096] 2. In step 1, if the infrared human body sensor is triggered twice within a short time interval (such as 2 seconds), turning on the light is no longer prohibited;

[0097] 3. Make the logic control unit aware of whether the room is occupied by someone in the room in some form of data exchange, so that if the room is not occupied, the logic control unit always prohibits the infrared human body sensor from triggering the light on;

[0098] 4. The logic control unit can be set to prohibit abnormal infrared triggering during a time interval, and infrared triggering to turn on the light is no longer prohibited outside this time interval;

[0099] In the "method for determining unmanned persons based on checkpoint triggers" of the present application, the switching of lights is not or is not completely controlled directly by a human body sensor or trigger, but is managed by a logic control unit. When a person passes through a checkpoint, the logic control unit is triggered to start the unmanned judgment logic. Once the logic control unit determines that there is someone in the area, the judgment ends until the checkpoint trigger is triggered again. During this period, it is no longer affected by the human body sensor. Even if the human body sensor is falsely triggered, it will not affect the state of the light. At the same time, when the area is unmanned, the logic control unit can prohibit the human body sensor from controlling the light, thereby solving the problem of the light being on all the time due to the human body sensor being falsely triggered by environmental interference.

[0100] Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. An unmanned judgment method based on a checkpoint trigger, characterized in that: The entrance and exit of the room are set as checkpoints, and triggers are installed at the entrance and exit; a logic control unit and a number of human body sensors are installed in the room, and the light can be turned on by the human signal of the trigger or by the human signal of the human body sensor, and the logic control unit is used to control the light to be turned off; Set the delay for reading the status of the human body sensor after the checkpoint is triggered to M seconds, set the entire unmanned judgment logic timeout to N minutes, and the additional detection delay time to P minutes; The logic control unit performs the following unmanned judgment method: Step 1: Wait for the checkpoint trigger signal, and proceed to step 2 after receiving the checkpoint trigger signal; Step 2: Start a delay of M seconds and read the status of all human sensors after the delay ends: A. If the status of the human body sensor is that there is someone, the logic result of the unmanned judgment is that there is someone and the unmanned judgment ends and returns to step 1; B. If the status of the human body sensor is no one, the no one judgment logic enters step 3; Step 3: Start a delay of N minutes and wait for the signal from the human body sensor during the delay: A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1; B. After the delay ends, go to step 4; Step 4: Start querying and recording the status of the controlled circuit. The delay time is the number of seconds corresponding to the number of circuits: A. If any one human signal is received during the delay process, the logic result of the human absence judgment is that there is a human, and the human absence judgment ends and returns to step 1; B. After the delay ends, start the unmanned scene and go to step 5; Step 5: Start a delay of N minutes and wait for the signal from the human body sensor during the delay: A. During the delay process, if any one person signal is received, all circuit states are restored to the state queried in step 4. If the logic result of the person judgment is that there is a person, then go to step 6; B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1; Step 6: Start a delay of N minutes and wait for the signal from the human body sensor during the delay: A. If any one human signal is received during the delay process, the result of the human judgment logic is human, and all circuit states are restored to the state queried in step 4. The entire judgment logic ends and returns to step 1; B. If no human signal is received during the delay, the unmanned scene is started and then the process goes to step 7; Step 7: Start a delay of P minutes and wait for the signal of the human body sensor during the delay; A. If any one person signal is received during the delay process, the result of the no-person judgment logic is that there is a person, and all circuit states are restored to the state queried in step 4. The no-person judgment logic ends and returns to step 1; B. If no human signal is received during the delay process, the result of the human judgment logic is human, and the human judgment logic ends and returns to step 1.

2. The unmanned judgment method based on checkpoint trigger according to claim 1 is characterized in that: The logic control unit is used to maintain the status of whether an area is occupied. When the result of the unoccupied judgment logic is that there is someone, this status is set to occupied; when the result of the unoccupied judgment logic is that there is no one, it is set to unoccupied; this status can be reported to the upper-level control system and used for related control logic.

3. The unmanned judgment method based on checkpoint trigger according to claim 1 is characterized in that: In step 1, the logic control unit detects whether a light is triggered by a trigger or a human sensor, and if so, prohibits the triggering.

4. The unmanned judgment method based on checkpoint trigger according to claim 3 is characterized in that: In step 1, if two triggers occur within a time interval of K seconds, the trigger or human sensor is no longer prohibited from turning on the light.

5. The unmanned judgment method based on checkpoint trigger according to claim 4 is characterized in that: The value of K is set to 1-3.

6. The unmanned judgment method based on checkpoint trigger according to claim 3 is characterized in that: The logic control unit is set with a time interval for abnormal triggering, and the trigger or human body sensor is no longer prohibited from turning on the light outside the time interval.

7. The unmanned judgment method based on checkpoint trigger according to claim 1 is characterized in that: The trigger can at least be set as a door magnet or an infrared human body sensor or a microwave human body sensor.

8. The unmanned judgment method based on checkpoint trigger according to claim 1 is characterized in that: The human body sensor can at least be configured as an infrared human body sensor, a microwave human body sensor, or an ultrasonic human body sensor.

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