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CN-121977618-A - Wireless photoelectric sensor

CN121977618ACN 121977618 ACN121977618 ACN 121977618ACN-121977618-A

Abstract

The invention discloses a wireless photoelectric sensor, which comprises a PCB board, wherein a radio frequency transmitting circuit, a charging chip, a power management circuit and a low-voltage detection circuit which are connected with a singlechip are arranged on the PCB board, the radio frequency transmitting circuit is in wireless connection with a radio frequency receiver through a radio frequency antenna, the output end of a rechargeable battery is electrically connected with the input end of the low-voltage detection circuit, the output end of the singlechip is electrically connected with the input end of a low-voltage indicator lamp, the output end of the radio frequency antenna is electrically connected with the input end of a working indicator lamp, and the output end of the charging chip is electrically connected with the input end of the charging indicator lamp. According to the invention, the working indicator lamp is turned on or off according to whether the radio frequency transmitting circuit sends out a signal through the radio frequency antenna or not, so that a preliminary result is displayed for an operator, and meanwhile, the sensor can work without being connected with an external fixed power supply by combining the power supply management circuit with the rechargeable battery, so that the influence of cable connection on the use effect of the photoelectric sensor in the actual use process is avoided.

Inventors

  • CHEN ZHIGANG
  • CHEN ZIYE
  • CHEN SIYUAN

Assignees

  • 武汉鑫程启航科技服务有限公司

Dates

Publication Date
20260505
Application Date
20260204

Claims (10)

  1. 1. A wireless photoelectric sensor, comprising: a bracket (1); the shell (2) is arranged on the bracket (1); the PCB (3) is arranged in the shell (2); the photoelectric sensing module comprises a light emitting module and a light receiving module, wherein the light emitting module and the light receiving module are respectively a light emitting element (5) and a light receiving element (6) which are arranged on the PCB (3); The wireless communication module is a radio frequency transmitting circuit (7), the radio frequency transmitting circuit (7) is arranged on the PCB (3), the radio frequency transmitting circuit (7) is connected with a radio frequency antenna (8), and the radio frequency transmitting circuit (7) is in wireless connection with an external corresponding radio frequency receiver (9) through the radio frequency antenna (8); the low-voltage charging module comprises a charging chip (10) and a low-voltage detection circuit (11), the charging chip (10) is arranged on the front side surface of the PCB (3), the output end of the charging chip (10) is electrically connected with the input end of the charging socket (12), and the low-voltage detection circuit (11) is arranged on the PCB (3); The power management module comprises a rechargeable battery (14) and a power management circuit (15), wherein the input end of the rechargeable battery (14) is electrically connected with the output end of the charging socket (12), the output end of the rechargeable battery (14) is electrically connected with the input end of the low-voltage detection circuit (11), the power management circuit (15) is arranged on the PCB (3), the power management circuit (15) is arranged on a wire connected with the rechargeable battery (14) and the charging socket (12), the power management circuit (15) controls the charging speed of the charging socket (12) to the rechargeable battery (14), when the rechargeable battery is in voltage, the power management circuit (15) controls the charging socket (12) to accelerate the charging of the rechargeable battery (14), and when the rechargeable battery (14) is gradually full, the power management circuit (15) controls the charging socket (12) to decelerate the charging of the rechargeable battery (14). The state indicating module comprises a low-voltage indicating lamp (16), a working indicating lamp (17) and a charging indicating lamp (18) which are arranged on the PCB (3), wherein the output end of the low-voltage detecting circuit (11) is electrically connected with the input end of the low-voltage indicating lamp (16), the output end of the radio-frequency antenna (8) is electrically connected with the input end of the working indicating lamp (17), and the output end of the charging chip (10) is electrically connected with the input end of the charging indicating lamp (18); The single chip microcomputer (4), the single chip microcomputer (4) is arranged on the PCB (3), the output end of the single chip microcomputer (4) is electrically connected with the input ends of the light emitting element (5), the radio frequency emitting circuit (7), the charging chip (10) and the low-voltage detecting circuit (11), and the output ends of the light receiving element (6) and the power management circuit (15) are electrically connected with the input ends of the single chip microcomputer (4).
  2. 2. The wireless photoelectric sensor according to claim 1, wherein the housing (2) is a cuboid composed of six rectangular plates, a viewing slot surface (19) is arranged on an upper side plate (201) of the housing (2), a transmitting port (20) and a receiving port (21) are arranged on the viewing slot surface (19), an opening (22) is arranged at the bottom of the housing (2), a lower side plate (202) is detachably arranged on the opening (22), a charging slot surface (23) is arranged on the lower side plate (202), a charging port (24) is arranged on the charging slot surface (23), a charging socket (12) is arranged in the charging port (24), a radio frequency antenna port (25) is arranged on one side of the charging slot surface (23) on the lower side plate (202), a radio frequency antenna (8) penetrates through the radio frequency antenna port (25), a display slot surface (26) is arranged on a front side plate (203) of the housing (2), three through holes (27) are arranged on the display slot surface (26), light guide posts (28) are arranged on the three through holes (27), the three light guide posts (28) are arranged on the three light guide posts (28) respectively, and the light guide posts (16) are arranged on the front side of the front light guide posts (18) and the front light guide posts (18), the left side board (204) and the right side board (205) inner surface of casing (2) correspond respectively and are equipped with two long lugs (29) with the left and right sides limit joint of PCB board (3), two long lugs (29) parallel arrangement and two long lugs (29) are along left side board (204) or the long limit distribution setting of right side board (205), the upper side board (201) inner surface of casing (2) is equipped with two annular slot (30), two annular slot (30) communicate with emitter (20), receiver (21) respectively, and light emitter (5) cup joint in annular slot (30) with emitter (20) intercommunication, light receiver (6) cup joint in annular slot (30) with receiver (21) intercommunication, two draw-in grooves (31) that are used for with PCB board (3) downside limit joint are all offered symmetrically to the slot edge of two annular slot (30).
  3. 3. The wireless photoelectric sensor according to claim 2, wherein the bracket (1) comprises a bottom plate (101), two supporting plates (102) are symmetrically and vertically arranged on the bottom plate (101), the supporting plates (102) and the bottom plate (101) are integrally arranged, the shell (2) is installed between the two supporting plates (102), the shell (2) and the supporting plates (102) are arranged at an included angle of 0 degree or 90 degrees, a plurality of square mounting holes (32) are formed in the two supporting plates (102), mounting blocks (33) with square cross sections corresponding to the mounting holes (32) are respectively arranged on the outer surfaces of a left side plate (204) and a right side plate (205) of the shell (2), the mounting blocks (33) are connected with the mounting holes (32) in an embedded mode, and meanwhile conversion between the shell (2) and the supporting plates (102) at the included angle of 0 degree and 90 degrees is achieved through matching of the outer side edges of the mounting blocks (33) and the inner side edges of the mounting holes (32).
  4. 4. A radio photoelectric sensor according to claim 3, characterized in that the base plate (101) is provided with mounting holes (40) for mounting the bracket (1).
  5. 5. A wireless photoelectric sensor according to claim 2, wherein the charging slot surface (23) is provided with a dust plug fixing hole (34) at one side of the charging port (24), the charging slot surface (23) is provided with a dust plug (35) for concealing the charging port (24), and the dust plug (35) is fixedly mounted on the charging slot surface (23) through the dust plug fixing hole (34).
  6. 6. A radio photoelectric sensor according to claim 2, characterized in that the observation groove surface (19) is provided with a cover plate (39) for concealing the transmitting port (20) and the receiving port (21), and the size of the cover plate (39) is the same as the size of the observation groove surface (19).
  7. 7. A wireless photoelectric sensor according to claim 2, wherein a plurality of grooves (36) are formed in the opening (22) of the housing (2) in a vertically and laterally symmetrical manner, and a plurality of projections (37) corresponding to the grooves (36) are formed on four sides of the upper side plate (201).
  8. 8. The wireless photoelectric sensor according to claim 2, wherein the PCB (3) is further provided with a multifunctional switch circuit (13) connected with the single chip microcomputer (4), the multifunctional switch circuit (13) is arranged at the lower end of the PCB (3), the multifunctional switch circuit (13) is electrically connected with a multifunctional button (38), the wireless photoelectric sensor is controlled to be powered on or powered off and the photoelectric distance of the wireless photoelectric sensor is set by pressing the multifunctional button (38), and a through hole movably connected with the multifunctional button (38) is formed in the side, far away from the radio frequency antenna (8), of the charging slot surface (23) on the lower side plate (202).
  9. 9. A wireless photoelectric sensor according to claim 1, wherein the rechargeable battery (14) is mounted in the housing (2) at a position below the PCB board (3), the rechargeable battery (14) being a rechargeable lithium polymer battery.
  10. 10. A wireless photoelectric sensor according to claim 2, wherein the charging port (24) is a Type-C charging port (24) or a USB charging port.

Description

Wireless photoelectric sensor Technical Field The invention relates to the technical field of photoelectric sensors, in particular to a wireless photoelectric sensor. Background The photoelectric sensor is a device for converting optical signals into electric signals, and the working principle is based on the photoelectric effect, wherein the photoelectric effect refers to the phenomenon that electrons of substances absorb photon energy to generate corresponding electric effect when light irradiates on certain substances. However, the use effect of the photoelectric sensor in the market is affected by cables such as a signal output line and a power line in the actual use process, and the photoelectric sensor is connected with a fixed power supply through the power line, so that the photoelectric sensor is not suitable for mobile use. Disclosure of Invention The invention aims to provide a wireless photoelectric sensor, which solves the problems that the use effect of the photoelectric sensor on the market, which is proposed in the background technology, is influenced by cables such as a signal output line, a power line and the like in the actual use process, and is not suitable for mobile use due to the connection of the power line and a fixed power supply. In order to achieve the above object, the present invention adopts the following technical scheme: A wireless photoelectric sensor, comprising: A bracket; The shell is arranged on the bracket; the PCB is arranged in the shell; the photoelectric sensing module comprises a light emitting module and a light receiving module, wherein the light emitting module and the light receiving module are respectively a light emitting element and a light receiving element which are arranged on a PCB; the wireless communication module is a radio frequency transmitting circuit, the radio frequency transmitting circuit is arranged on the PCB, the radio frequency transmitting circuit is connected with a radio frequency antenna, and the radio frequency transmitting circuit is in wireless connection with an external corresponding radio frequency receiver through the radio frequency antenna; The low-voltage charging module comprises a charging chip and a low-voltage detection circuit, the charging chip is arranged on the front side surface of the PCB, the output end of the charging chip is electrically connected with the input end of the charging socket, and the low-voltage detection circuit is arranged on the PCB; The power management module comprises a rechargeable battery and a power management circuit, wherein the input end of the rechargeable battery is electrically connected with the output end of the charging socket, the output end of the rechargeable battery is electrically connected with the input end of the low-voltage detection circuit, the power management circuit is arranged on the PCB, the power management circuit is arranged on a wire connected with the rechargeable battery and the charging socket, the power management circuit controls the charging speed of the charging socket to the rechargeable battery, when the rechargeable battery is in voltage, the power management circuit controls the charging socket to accelerate charging to the rechargeable battery, and when the rechargeable battery is gradually full, the power management circuit controls the charging socket to decelerate charging to the rechargeable battery; the state indicating module comprises a low-voltage indicating lamp, a working indicating lamp and a charging indicating lamp which are arranged on the PCB, wherein the output end of the low-voltage detecting circuit is electrically connected with the input end of the low-voltage indicating lamp, the output end of the radio-frequency antenna is electrically connected with the input end of the working indicating lamp, and the output end of the charging chip is electrically connected with the input end of the charging indicating lamp; the singlechip is arranged on the PCB, the output end of the singlechip is electrically connected with the input ends of the light emitting element, the radio frequency emitting circuit, the charging chip and the low-voltage detection circuit, and the output ends of the light receiving element and the power management circuit are electrically connected with the input end of the singlechip. The invention further adopts the scheme that the shell is a cuboid composed of six rectangular plates, the upper side plate of the shell is provided with a viewing groove surface, the viewing groove surface is provided with a transmitting port and a receiving port, the bottom of the shell is provided with an opening, the opening is detachably provided with a lower side plate, the lower side plate is provided with a charging groove surface, the charging groove surface is provided with a charging port, a charging socket is arranged in the charging port, one side of the lower side plate, which is positioned on the charging groove surface,