Range-controllable hand scanning drive circuit and lamp

Abstract

The utility model discloses a range controllable hand scan drive circuit and lamp, including a plurality of photoelectric sensing modules, switch module, control module and control drive module, each photoelectric sensing module includes light emitting member and light receiving member that are arranged at interval, switch module includes a plurality of switch member, the light emitting member and the light receiving member are arranged at intervals. The switch pieces are connected with the light-emitting pieces in a one-to-one correspondence mode to form a plurality of light-emitting power supply branches, all the power supply branches are used for being connected with a power supply, the control module is used for forming a control instruction, and the control driving module is used for being connected with a load. The control driving module is respectively connected with the control module, the controlled ends of the switch pieces and the light receiving pieces, the control driving module respectively controls the switch pieces to be switched on or switched off according to control instructions, and the control driving module controls the load to operate according to electric signals fed back by the light receiving pieces. The detection range is controllable, the false triggering probability is reduced, and use is convenient and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic circuits, and in particular to a range-controllable hand-sweeping driving circuit and a lamp. Background Art

[0002] Smart homes have entered people's lives. For example, smart lamps commonly used in life can set hand scanners at different locations indoors. No matter where the user is in the room, he can scan his hand in front of any hand scanner according to his needs, thereby generating an electrical signal to control the operation of the lamp.

[0003] However, in actual use, there are disadvantages in placing too many hand scanners indoors. Users may easily trigger the hand scanners by mistake during activities. Nowadays, as long as hand scanners are placed indoors, the detection range of each hand scanner for the room is fixed, which is not easy for users to change and inconvenient to use. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a range-controllable hand-sweep drive circuit and a lamp, which has a controllable detection range, reduces the probability of false triggering, and is convenient and reliable to use.

[0005] According to a range-controllable hand-scanning drive circuit of the first aspect of the utility model, the circuit comprises: a plurality of photoelectric sensing modules, each of which comprises a light-emitting element and a light-receiving element spaced apart from each other, the light-emitting element being capable of emitting a light signal, and when there is an object in front of the photoelectric sensing module, the light signal is reflected by the object and then received by the light-receiving element, and the light-receiving element receives the light signal and generates an electrical signal; a switch module comprising a plurality of switch elements, the switch elements being connected one-to-one with the light-emitting elements to form a plurality of light-emitting power supply branches, each of which is used to be connected to a power supply source; a control module for forming a control instruction; a control drive module for connecting to a load, the control drive module being respectively connected to the control module, the controlled end of each of the switch elements and the light-receiving elements, the control drive module respectively controls the conduction or disconnection of the switch elements according to the control instruction, and the control drive module controls the operation of the load according to the electrical signal fed back by the light-receiving element.

[0006] A range-controllable hand-sweeping driving circuit according to an embodiment of the utility model has at least the following beneficial effects:

[0007] The utility model has a range-controllable hand-sweeping drive circuit, and multiple photoelectric sensing modules can be arranged at various positions in the room. After installation, the user can choose the position where the hand-sweeping control needs to be arranged according to his own needs, and then set the control instruction through the control module. The control drive module controls the switch of the light-emitting component located at the corresponding position to be turned on according to the control instruction, and the light-emitting component emits a light signal when it is energized. When the user's hand is located in front of the light-emitting component, the light signal is reflected by the hand or other objects and is received by the light-receiving component. The light-receiving component generates an electrical signal and feeds it back to the control drive module. The control drive module controls the load operation. The detection range of the design is controllable, the probability of false triggering is reduced, and it is convenient and reliable to use.

[0008] According to some embodiments of the present invention, the control module includes a button module and a wireless communication module, and the control drive module is connected to the button module and the wireless communication module respectively.

[0009] According to some embodiments of the utility model, the photoelectric sensing module includes a mounting base and a light-transmitting panel, the mounting base and the light-transmitting panel are connected to limit an inner cavity, the light-emitting component and the light-receiving component are both located in the inner cavity, and the light-emitting component and the light-receiving component are both facing the light-transmitting panel.

[0010] According to some embodiments of the present invention, the switch element is a semiconductor switch tube or a relay switch.

[0011] According to some embodiments of the present utility model, the switch element includes a semiconductor switch tube Q1, the input end of the switch tube Q1 is connected to the power supply, the output end of the switch tube Q1 is connected to the head end of the light-emitting element, the tail end of the light-emitting element is grounded, and the control drive module is connected to the controlled end of the switch tube Q1.

[0012] According to some embodiments of the present invention, the range-controllable hand-scanning driving circuit further includes a power supply module, which is connected to the control driving module and each of the light-emitting power supply branches.

[0013] According to some embodiments of the utility model, the energy supply module includes an energy storage component and a voltage regulating unit, the energy storage component is connected to the input end of the voltage regulating unit, the voltage regulating unit is used to modulate the supply voltage, and the output end of the voltage regulating unit is respectively connected to the control drive module and each of the light-emitting power supply branches.

[0014] According to some embodiments of the utility model, the energy supply module also includes a charging port and a charging management unit, the charging port is used to connect to a power supply, the input end of the charging management unit is connected to the charging port, and the output end of the charging management unit is respectively connected to the energy storage component and the input end of the voltage regulating unit.

[0015] The lamp according to the embodiment of the second aspect of the utility model comprises the range-controllable hand-sweeping drive circuit and the light source disclosed in any of the above embodiments, and the control drive module is connected to the light source to control the operation of the light source.

[0016] The lamp according to the embodiment of the utility model has at least the following beneficial effects:

[0017] The utility model lamp applies the range-controllable hand-sweeping drive circuit and the light source disclosed in any of the above embodiments, has a controllable detection range, reduces the probability of false triggering, and is convenient and reliable to use.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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:

[0020] Figure 1 This is a principle structure block diagram of one embodiment of the controllable hand-sweeping drive circuit within the scope of the utility model;

[0021] Figure 2 This is a circuit diagram of one embodiment of the controllable hand-sweeping drive circuit within the scope of the utility model.

[0022] Reference numerals:

[0023] Photoelectric sensing module 100; light emitting element 110; light receiving element 120; switch module 200; switch element 210; control module 300; key module 310; wireless communication module 320; control drive module 400; energy supply module 500; energy storage element 510; voltage regulating unit 520; charging port 530; charging management unit 540. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientations or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside", etc., 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 cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing 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.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 , 2As shown, according to a first aspect of the present utility model, a range-controllable hand-sweeping drive circuit includes a plurality of photoelectric sensing modules 100, a switch module 200, a control module 300 and a control drive module 400, each of the photoelectric sensing modules 100 includes a light-emitting element 110 and a light-receiving element 120 that are spaced apart from each other, the light-emitting element 110 can emit a light signal, and when there is an object in front of the photoelectric sensing module 100, the light signal is reflected by the object and received by the light-receiving element 120, and the light-receiving element 120 receives the light signal and generates an electrical signal, the switch module 200 includes a plurality of switch elements 210, the switch elements 210 are The switch elements 210 are connected to the light-emitting elements 110 one by one to form a plurality of light-emitting power supply branches, each of which is used to be connected to a power supply source, the control module 300 is used to form a control instruction, and the control drive module 400 is used to be connected to the load, and the control drive module 400 is respectively connected to the control module 300, the controlled end of each of the switch elements 210 and each of the light-receiving elements 120, and the control drive module 400 controls the conduction or disconnection of the switch elements 210 according to the control instruction, and controls the operation of the load according to the electrical signal fed back by the light-receiving element 120.

[0029] Among them, the control drive module 400 generally includes a control unit and a drive unit, the control unit is connected to the drive unit, the control unit may include a processor such as an MCU or a CPU and its associated circuits, the drive unit may include a semiconductor switch tube, the drive unit may be connected in series with the load to form a drive branch, and the control unit is connected to the drive unit to control the operation of the load through the drive unit.

[0030] Generally speaking, when the hand passes in front of the light-emitting element 110 and the light-receiving element 120 and leaves, the distance the light signal travels after being emitted from the light-emitting element 110 and reflected to the light-receiving element 120 becomes shorter, and the degree of light attenuation changes, causing the electrical signal to change accordingly. The control drive module 400 analyzes the changes in the electrical signal to derive relevant control instructions to control the operation of the load.

[0031] Specifically, the light emitting element 110 may be an infrared LED lamp core, and the light receiving element 120 may be a semiconductor photosensitive film.

[0032] The utility model has a range-controllable hand-scanning drive circuit. Multiple photoelectric sensing modules 100 can be arranged at various positions in the room. After installation, the user can choose the position where the hand-scanning control needs to be arranged according to his own needs, and then set the control command through the control module 300. The control drive module 400 controls the switch element 210 of the light-emitting element 110 located at the corresponding position to be turned on according to the control command. The light-emitting element 110 emits a light signal when it is energized. When the user's hand is in front of the light-emitting element 110, the light signal is reflected by the hand or other objects and is received by the light-receiving element 120. The light-receiving element 120 generates an electrical signal and feeds it back to the control drive module 400. The control drive module 400 controls the load operation. The detection range of the present design is controllable, the probability of false triggering is reduced, and it is convenient and reliable to use.

[0033] In some embodiments of the present invention, the control module 300 includes a button module 310 and a wireless communication module 320 , and the control drive module 400 is connected to the button module 310 and the wireless communication module 320 , respectively.

[0034] The key module 310 may be a key switch or a touch screen arranged on an indoor wall. The user may generate a control instruction for controlling each switch element 210 to be turned on or off, or may generate a control instruction for controlling the operation of a load by operating the key module 310 .

[0035] The wireless communication module 320 may include a wireless transceiver chip, such as a Wi-Fi chip, a Bluetooth chip or a mobile communication chip. The user can generate control instructions for controlling the conduction or disconnection of each switch element 210 through a remote control, a mobile phone, etc., and wirelessly send them to the wireless communication module 320 for reception. The user can also generate control instructions for controlling the operation of the load and send them to the wireless communication module 320 for reception.

[0036] In some embodiments of the present invention, the photoelectric sensing module 100 includes a mounting base and a light-transmitting panel (not shown in the figure), the mounting base and the light-transmitting panel are connected to limit an inner cavity, the light-emitting element 110 and the light-receiving element 120 are both located in the inner cavity, and the light-emitting element 110 and the light-receiving element 120 are both facing the light-transmitting panel.

[0037] The light emitting element 110 and the light receiving element 120 are both arranged on the mounting base, and the light emitting element 110 and the light receiving element 120 have the same orientation, and are both arranged toward the outside through the light-transmitting panel. The light emitting element 110 and the light receiving element 120 are encapsulated in the inner cavity formed by the mounting base and the light-transmitting panel and are modularly arranged. The user can directly place multiple photoelectric sensing modules 100 in various areas of the room, and the photoelectric sensing modules 100 can detect the location.

[0038] In some embodiments of the present invention, Figure 2 As shown, the switch element 210 is a semiconductor switch tube or a relay switch.

[0039] Specifically, Figure 2 As shown, the switch element 210 includes a semiconductor switch tube Q1, the input end of the switch tube Q1 is connected to the power supply, the output end of the switch tube Q1 is connected to the head end of the light-emitting element 110, the tail end of the light-emitting element 110 is grounded, and the control drive module 400 is connected to the controlled end of the switch tube Q1.

[0040] It should be noted that when the light emitting element 110 needs to be controlled to emit light, the control driving module 400 can modulate the PWM duty cycle signal to the switch tube Q1, and the switch tube Q1 is turned on and off according to the frequency of the PWM duty cycle signal, thereby triggering the light emitting element 110 to emit a light signal of related frequency.

[0041] The switch element 210 also includes a semiconductor switch tube Q2, the input end of the switch tube Q2 is connected to the power supply, the output end of the switch tube Q2 is connected to the head end of another light-emitting element 110, the tail end of the other light-emitting element 110 is grounded, and the control drive module 400 is connected to the controlled end of the switch tube Q2.

[0042] In some embodiments of the utility model, the range-controllable hand-scanning drive circuit also includes a power supply module 500, which is connected to the control drive module 400 and each of the light-emitting power supply branches. The power supply module 500 can provide stable power for the control drive module 400 and the light-emitting component 110 without being connected to the mains.

[0043] In some embodiments of the present invention, the energy supply module 500 includes an energy storage component 510 and a voltage regulating unit 520, the energy storage component 510 is connected to the input end of the voltage regulating unit 520, the voltage regulating unit 520 is used to modulate the supply voltage, and the output end of the voltage regulating unit 520 is respectively connected to the control drive module 400 and each of the light-emitting power supply branches.

[0044] The energy storage component 510 can be selected from conventional batteries, and the voltage regulating unit 520 can include a buck chip. The energy storage component 510 is connected to the input end of the buck chip, and the buck chip modulates the input voltage into a supply voltage of 5V, 3.3V, etc. to power the control drive module 400 and the light-emitting power supply branch.

[0045] In some embodiments of the present invention, the energy supply module 500 also includes a charging port 530 and a charging management unit 540, the charging port 530 is used to connect to a power supply, the input end of the charging management unit 540 is connected to the charging port 530, and the output end of the charging management unit 540 is respectively connected to the input end of the energy storage device 510 and the voltage regulating unit 520.

[0046] The charging management unit 540 may include a power supply current regulating chip and a power detection circuit. When the charging port 530 is connected to an external power supply, the power supply current regulating chip can modulate the current and voltage input by the power supply, and then output a charging current. Part of the charging current is provided to the energy storage device 510 for charging, and part of the charging current can be provided to the voltage regulating unit 520. After modulation, the voltage regulating unit 520 supplies power to the control drive module 400 and the light-emitting power supply branch.

[0047] The power detection circuit can detect the remaining power of the energy storage component 510 . When the energy storage component 510 is fully charged, the power supply current regulation chip stops outputting the charging current to the energy storage component 510 .

[0048] The lamp according to the embodiment of the second aspect of the utility model comprises the range-controllable hand-sweeping driving circuit and the light source disclosed in any of the above embodiments, and the control driving module 400 is connected to the light source to control the operation of the light source.

[0049] The utility model lamp applies the range-controllable hand-sweeping drive circuit and the light source disclosed in any of the above embodiments, has a controllable detection range, reduces the probability of false triggering, and is convenient and reliable to use.

[0050] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0051] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A range-controllable hand-sweep drive circuit, characterized in that: include: A plurality of photoelectric sensing modules, each of which comprises a light emitting element and a light receiving element which are spaced apart from each other, wherein the light emitting element can emit a light signal, and when there is an object in front of the photoelectric sensing module, the light signal is reflected by the object and then received by the light receiving element, and the light receiving element receives the light signal and generates an electrical signal; A switch module, comprising a plurality of switch elements, wherein the switch elements are connected to the light-emitting elements one by one to form a plurality of light-emitting power supply branches, and each of the power supply branches is used to be connected to a power supply source; A control module, used for forming control instructions; A control driving module is used to connect to the load. The control driving module is respectively connected to the control module, the controlled end of each of the switch elements and each of the light receiving elements. The control driving module controls the conduction or disconnection of the switch elements according to the control instructions. The control driving module controls the operation of the load according to the electrical signal fed back by the light receiving element.

2. A range-controllable hand-sweeping driving circuit according to claim 1, characterized in that: The control module includes a key module and a wireless communication module, and the control drive module is connected to the key module and the wireless communication module respectively.

3. The range-controllable hand-sweeping driving circuit according to claim 1, characterized in that: The photoelectric sensing module includes a mounting base and a light-transmitting panel, wherein the mounting base and the light-transmitting panel are connected to define an inner cavity, wherein the light-emitting element and the light-receiving element are both located in the inner cavity, and the light-emitting element and the light-receiving element are both facing the light-transmitting panel.

4. The range-controllable hand-sweeping driving circuit according to claim 1, characterized in that: The switch element is a semiconductor switch tube or a relay switch.

5. The range-controllable hand-sweeping driving circuit according to claim 1, characterized in that: The switch element includes a semiconductor switch tube Q1, the input end of the switch tube Q1 is connected to the power supply, the output end of the switch tube Q1 is connected to the head end of the light-emitting element, the tail end of the light-emitting element is grounded, and the control drive module is connected to the controlled end of the switch tube Q1.

6. The range-controllable hand-sweeping driving circuit according to claim 1, characterized in that: It also includes a power supply module, which is connected to the control and drive module and each of the light-emitting power supply branches.

7. The range-controllable hand-sweeping driving circuit according to claim 6, characterized in that: The energy supply module includes an energy storage component and a voltage regulating unit. The energy storage component is connected to the input end of the voltage regulating unit. The voltage regulating unit is used to modulate the supply voltage. The output end of the voltage regulating unit is respectively connected to the control drive module and each of the light-emitting power supply branches.

8. The range-controllable hand-sweeping driving circuit according to claim 7, characterized in that: The energy supply module also includes a charging port and a charging management unit, the charging port is used to connect to a power supply, the input end of the charging management unit is connected to the charging port, and the output end of the charging management unit is respectively connected to the energy storage component and the input end of the voltage regulating unit.

9. A lamp, characterized in that: It comprises the range-controllable hand-scanning drive circuit and the light source as described in any one of claims 1 to 8, wherein the control drive module is connected to the light source to control the operation of the light source.

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