CN211860612U - Presence sensor and lighting system - Google Patents

Abstract

The utility model discloses a presence sensor and a lighting system. The presence sensor comprises: a central control unit, a sensing unit, a power unit and a wireless unit; the central control unit is respectively connected with the sensing unit and the wireless unit. The electric power unit is electrically connected with the central control unit, the sensing unit and the wireless unit to provide working power. The presence sensor is provided with three sensors, which can increase the detection accuracy, and can be applied to different usage occasions and different environments. The presence sensor not only has a DIP switch, the detection range of the sensor can be adjusted directly through the DIP code, and at the same time, an adjustment command can be sent to adjust the detection range through the application program of the mobile terminal. At the same time, the central control unit can detect and collect waveform signals of voltage, current and power, and count the power consumption of the light-emitting element.

Description

Presence sensor and lighting system

technical field

The utility model relates to the field of sensors, in particular to a presence sensor and a lighting system.

Background technique

With the introduction of the Internet of Things, the technology of replacing people with sensors for detection is also increasing. Existing presence sensors are all sensors that use a single sensor such as only a sound sensor or an infrared sensor. A single sensor is prone to detection errors, and cannot be adapted to different usage occasions, causing a lot of inconvenience.

Utility model content

The main purpose of the present invention is to provide a presence sensor, which can be applied to different occasions.

In order to achieve the above purpose, the present invention provides a presence sensor, the presence sensor includes: a central control unit, a sensing unit, a power unit and a wireless unit; the central control unit is respectively connected with the sensing unit, the wireless unit and the wireless unit. The unit is electrically connected to acquire sensing data of the sensing unit and control the wireless unit to send and receive wireless data; the power unit is electrically connected to the central control unit, the sensing unit and the wireless unit to provide working power.

Further, the presence sensor further includes a DIP switch, and the DIP switch is electrically connected to the central control unit and the sensing unit, respectively.

Further, the sensing unit includes an infrared sensor, a light coupling sensor and an infrared array sensor.

Further, the presence sensor further includes a dimming unit, and the dimming unit is electrically connected to the central control unit to control the power output to the external device.

Further, the dimming unit includes a triode and a relay, the triode is electrically connected to the central control unit, and the relay is electrically connected to the triode.

Further, the wireless module includes ZigBee and/or Bluetooth.

Further, the power unit includes an AC-DC constant voltage circuit, and the AC-DC constant voltage circuit is electrically connected with the central control unit, the sensing unit and the wireless unit, so as to be the central control unit, the sensing unit and the wireless unit. The wireless unit is electrically connected to provide constant voltage direct current.

The present invention also provides a lighting system, comprising any of the above-mentioned presence sensors, the lighting system further comprising a light-emitting element, the light-emitting element is electrically connected with the light-adjusting unit, and the light-emitting unit is controlled by the light-adjusting unit element switch.

The beneficial effect of the utility model is that the presence sensor is provided with three sensors, which can increase the detection accuracy, and can be applied to different usage occasions and different environments at the same time. The presence sensor not only has a dial switch, the detection range of the sensor can be adjusted directly through the dial code, and the detection range can also be adjusted by sending adjustment instructions through the application program of the mobile terminal. At the same time, the central control unit can detect and collect waveform signals of voltage, current and power, and count the power consumption of the light-emitting element.

Description of drawings

1 is a schematic diagram of a lighting system provided by an embodiment of the present invention;

2 is a schematic diagram of a presence sensor provided by an embodiment of the present invention;

3 is a schematic structural diagram of a sensing unit provided by an embodiment of the present invention;

The realization, functional characteristics and advantages of the purpose of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

It should be noted that the descriptions involving "first", "second", etc. in the present utility model are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implying the indicated technical features. quantity. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

Referring to FIG. 1, an embodiment of the present invention provides a lighting system, the lighting system includes a presence sensor 10 and a light-emitting element 20, the light-emitting element 20 is electrically connected to the dimming unit 103, and the light is adjusted by the The unit 103 controls the switching of the light-emitting element 20 . The presence sensor 10 is used to detect the environment where the lighting system is located, and then corresponding control instructions are given to the light-emitting element 20 .

Specifically, referring to FIG. 2 , the presence sensor 10 includes a central control unit 101 , a sensing unit 106 , a power unit 102 and a wireless unit 104 ; the central control unit 101 is connected to the sensing unit 106 and the wireless unit respectively. 104 is electrically connected to obtain the sensing data of the sensing unit 106 and control the wireless unit 104 to send and receive wireless data; the power unit 102 is electrically connected to the central control unit 101, the sensing unit 106 and the wireless unit 104, In order to provide working power to the central control unit 101 , the sensing unit 106 and the wireless unit 104 .

In this embodiment, the presence sensor 10 is electrically connected to the light-emitting element 20 , and the sensing unit 106 detects the surrounding environment of the presence sensor 10 to determine whether the target to be detected exists, and then controls the photosensitive element. Specifically, the presence sensor 10 further includes a dimming unit 103 , and the dimming unit 103 is electrically connected to the central control unit 101 to control the power output to the external device and control the light-emitting element 20 . The dimming unit 103 includes a triode and a relay, the triode is electrically connected to the central control unit 101 , and the relay is electrically connected to the triode. By outputting a high potential from the central control unit 101 , the triode is turned on, and then the relay switch is controlled to control the light-emitting element 20 . Specifically, the lighting system is applied to the stairway. When a person appears in the stairway, the sensor unit generates sensing data, and the central control unit 101 judges the sensing data and lights the light-emitting element 20 in the stairway. The wireless unit 104 can communicate with the application program of the mobile terminal, receive the control instructions of the mobile terminal, and control the light-emitting element 20 to turn on and off. Signals, etc., and send the power data to the mobile terminal, and the application program determines whether the lamp is faulty. Wireless modules include ZigBee and/or Bluetooth.

Further, the presence sensor 10 further includes a DIP switch 105, and the DIP switch 105 is electrically connected to the central control unit 101 and the sensing unit 106, respectively. Specifically, the DIP switch 105 is controlled by the central control unit 101, and different voltage points are input by the DIP switch 105 to determine which gear is selected, so as to make corresponding adjustments to change the sensor unit, which can be directly adjusted by dialing Some function options of the presence sensor 10 can be changed by using the code, and the adjustment of the presence sensor 10 can be realized without setting through the APP.

Further, the sensing unit 106 includes an infrared sensor, a light coupling sensor and an infrared array sensor. Specifically, the infrared sensor probe is used as a signal generator, the signal is amplified and detected by an amplifier, and the signal is input to the central control unit 101 to detect the change of the signal, and give functional instructions to its distance and signal strength. The optical coupling sensor uses a probe to detect the intensity of infrared wavelengths and visible light in natural light, and uses the IIC serial port to communicate with the central control unit 101 to detect and convert them into corresponding values. Using the read value, the light-emitting element 20 is controlled based on the read value. The infrared array sensor probe is used as a signal generator, the IIC serial port communication is used to read the infrared sensing value, and the temperature sensing function of the sensor is used to combine the two to determine the flow of people in the area where the sensor 10 is located. Through three sensors, different levels of detection and analysis are carried out to make the analysis results more accurate.

Further, the power unit 102 includes an AC-DC constant voltage circuit, and the AC-DC constant voltage circuit is electrically connected to the central control unit 101 , the sensing unit 106 and the wireless unit 104 , so as to be the central control unit 101 , the sensing unit 106 and the wireless unit 104 are electrically connected to provide constant voltage direct current.

In the above embodiment, the presence sensor 10 is provided with three sensors, which can increase the detection accuracy, and can be applied to different usage occasions and different environments at the same time. The presence sensor 10 is provided with a DIP switch 105, the detection range of the sensing unit 106 can be adjusted directly through the DIP switch 105, and an adjustment command can be sent to adjust the detection range through the application program of the mobile terminal. At the same time, the central control unit 101 can detect and collect waveform signals of voltage, current, and power, and count the power consumption of the light-emitting element 20 .

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system, device and unit described above may refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

The above are only the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model patent. Any equivalent structure or equivalent process transformation made by using the contents of the present utility model description and accompanying drawings, or directly or indirectly applied to other related The technical field of the present invention is similarly included in the scope of patent protection of the present invention.

Claims (8)

1. A presence sensor, characterized in that the presence sensor comprises: a central control unit, a sensing unit, a power unit and a wireless unit; the central control unit is electrically connected to the sensing unit and the wireless unit respectively to obtain the sensing data of the sensing unit and control the wireless unit to send and receive wireless data; the power unit is electrically connected with the central control unit, the sensing unit and the wireless unit to provide working power. 2 . The presence sensor according to claim 1 , wherein the presence sensor further comprises a DIP switch, and the DIP switch is electrically connected to the central control unit and the sensing unit, respectively. 3 . 3. The presence sensor according to claim 2, wherein the sensing unit comprises an infrared sensor, a light coupling sensor and an infrared array sensor. 4 . The presence sensor according to claim 1 , wherein the presence sensor further comprises a dimming unit, and the dimming unit is electrically connected with the central control unit to control the power output to the external device. 5 . . 5 . The presence sensor of claim 4 , wherein the dimming unit comprises a triode and a relay, the triode is electrically connected to the central control unit, and the relay is electrically connected to the triode. 6 . 6. The presence sensor of claim 1, wherein the wireless unit comprises ZigBee and/or Bluetooth. 7 . The presence sensor according to claim 1 , wherein the power unit comprises an AC-DC constant voltage circuit, the AC-DC constant voltage circuit is connected to the central control unit, the sensing unit and the wireless unit. 8 . The electrical connection is used to provide a constant voltage direct current for the electrical connection of the central control unit, the sensing unit and the wireless unit. 8. A lighting system, characterized in that it comprises the presence sensor of claims 1-7, the lighting system further comprises a light-emitting element, the light-emitting element is electrically connected to the dimming unit, and the light is adjusted by the light-emitting element. The unit controls switching of the light emitting element.

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