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RU-2026103325-A - Detector unit, process cartridge and process kit

RU2026103325ARU 2026103325 ARU2026103325 ARU 2026103325ARU-2026103325-A

Inventors

  • ЛИ Хайсюн
  • Чэнь Фэн
  • ШАО Чжэ

Assignees

  • Чжухай Пантум Электроникс Ко., Лтд.

Dates

Publication Date
20260506
Application Date
20240710
Priority Date
20230710

Claims (20)

  1. 1. A detector unit (3) configured to be mounted on a process cartridge (100) comprising a main body (1) and a rotating element (2) configured to rotate on the main body (1), wherein the process cartridge (100) is removably mounted on an image forming device, characterized in that the detector unit (3) comprises:
  2. a measuring element (31) configured to be placed on the main body (1) and designed in such a way that when a detector (32) is located on the rotating element (2) and this detector (32) rotates together with the rotating element (2), the measuring element (31) can receive a first detector signal based on data from the detector (32), wherein the first detector signal is used to determine whether the rotating element (2) corresponds to the expected parameters.
  3. 2. The detector unit (3) according to paragraph 1, characterized in that the measuring element (31) comprises a transmitting unit and a receiving unit, wherein:
  4. the transmitting unit is used to send the second detector signal,
  5. the receiving unit is used to receive a first detection signal corresponding to the second detection signal based on the data of the detector (32), and the first detection signal is used to determine whether the rotating element (2) meets the expected parameters,
  6. wherein the second detector signal and the first detector signal are signals of the same type,
  7. or the first detector signal is a signal obtained as a result of pre-processing of the second detector signal, wherein the first detector signal and the second detector signal are signals of different types.
  8. 3. The detector unit (3) according to claim 2, characterized in that, when the second detector signal and the first detector signal are signals of the same type, the second detector signal is the first optical signal, and the first detector signal is the second optical signal, wherein the transmitting unit is a light-emitting part (311), the receiving unit is a light-receiving part (312), and the detector (32) is used to transmit the second optical signal to the light-receiving part (312) based on the first optical signal.
  9. 4. The detector unit (3) according to claim 3, characterized in that the first optical signal is reflected or refracted by the detector (32), forming a second optical signal, and is received by the light-receiving part (312).
  10. 5. The detector unit (3) according to claim 4, characterized in that the detector (32) comprises a reflective part (321), wherein the reflective part (321) is located on the outer surface of the rotating element (2), wherein, when the rotating element (2) rotates to a given position, the reflective part (321) can reflect the second detector signal emitted by the light-emitting part (311), forming the first detector signal and transmitting it to the light-receiving part (312).
  11. 6. The detector unit (3) according to claim 5, characterized in that the reflective part (321) is designed with the possibility of being attached to the rotating element (2) or is part of the surface of the rotating element (2), wherein the reflection coefficient of the reflective part (321) is higher or lower than that of the surface of the rotating element (2) located near the reflective part (321), or the reflective part (321) protrudes on the surface of the rotating element (2).
  12. 7. The detector unit (3) according to claim 6, characterized in that the rotating element (2) is a photosensitive drum or a developing roller, wherein the rotating element (2) comprises a shaft (22) and a cylinder (21), and the shaft (22) is connected to the cylinder (21) and rotates coaxially, wherein when the reflective part (321) is configured to be attached to the rotating element (2) or the reflective part (321) is part of the surface of the rotating element (2), the reflective part (321) is configured to be attached to the outer circumferential surface of the shaft (22), wherein the reflectivity of the surface of the reflective part (321) remote from the shaft (22) is higher or lower than that of other areas on the outer circumferential surface of the shaft (22).
  13. 8. The detector unit (3) according to claim 3, characterized in that the detector (32) is a through hole located on the rotating element (2), and when the rotating element (2) rotates to a given position, the light emitted by the light-emitting part (311) passes through the through hole and is received by the light-receiving part (312), wherein the second optical signal is at least part of the first optical signal.
  14. 9. The detector unit (3) according to claim 3, characterized in that the measuring element (31) additionally contains a light-blocking element (313), wherein the light-blocking element (313) is located on the main body (1) and between the transmitting unit and the receiving unit.
  15. 10. The detector unit (3) according to claim 1, characterized in that the detector (32) can output a first detector signal,
  16. wherein, when the rotating element (2) rotates to a given position, the measuring element (31) can receive the first detection signal emitted by the detector (32),
  17. wherein the detector (32) is a light source and the measuring element (31) is a light sensor,
  18. or the detector (32) is a magnetic element and the measuring element (31) is a Hall sensor or a contactless switch,
  19. or the detector (32) is an NFC tag for sending information to the measuring element (31), and the measuring element (31) is an NFC receiver,
  20. or the detector (32) is a sound source and the measuring element (31) is a sound sensor,