IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0915526
(2010-10-29)
|
등록번호 |
US-8713721
(2014-05-06)
|
우선권정보 |
CN-2009 1 0197970 (2009-10-30) |
발명자
/ 주소 |
- Zhang, Xiaojing
- Wan, Lin
- Lin, Feng
|
출원인 / 주소 |
- Shanghai Kohler Electronics, Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
1 |
초록
▼
The present invention discloses a conductive sensor and a urinal having conductive sensor. Said conductive sensor is installed in the sewer pipe of the urinal or toilet, which comprises an insulating body and a detecting electrode used for detecting the electric conductivity of the liquid in the sew
The present invention discloses a conductive sensor and a urinal having conductive sensor. Said conductive sensor is installed in the sewer pipe of the urinal or toilet, which comprises an insulating body and a detecting electrode used for detecting the electric conductivity of the liquid in the sewer pipe. Said conductive sensor also comprises a self-cleaning device used for cleaning the end of the detecting electrode. Said self-cleaning device comprises a housing, a piston unit and a brush head unit. A water inlet pipe connected with the tap water pipe and a water outlet pipe connected with the sewer pipe are installed to said housing. Said brush head unit comprises a brush head used for cleaning the end of the detecting electrode. Thus, the detected result of conductive sensor and the urinal having conductive sensor are more reliable and the device is easy to be maintained.
대표청구항
▼
1. An conductive sensor configured to be mounted in the sewer pipe of urinal or toilet, the conductive sensor comprising: an insulating body;a detecting electrode mounted at said insulating body to detect the electricity conductivity of the liquid in the sewer pipe;a self-cleaning device for cleanin
1. An conductive sensor configured to be mounted in the sewer pipe of urinal or toilet, the conductive sensor comprising: an insulating body;a detecting electrode mounted at said insulating body to detect the electricity conductivity of the liquid in the sewer pipe;a self-cleaning device for cleaning the end of the detecting electrode; said self-cleaning device comprises a housing, a piston unit mounted inside said housing, and a brush head unit connected with the piston unit;a water inlet pipe and a water outlet pipe mounted to said housing, wherein the water inlet pipe is configured to be connected with the tap water pipe and the water outlet pipe is configured to be connected with the sewer pipe,wherein said brush head unit comprises a brush head for cleaning the end of the detecting electrode. 2. A conductive sensor according to claim 1, wherein said housing further comprises a first housing, a second housing and a third housing; said water inlet pipe is set to the first housing and said water outlet pipe is set to the second housing. 3. A conductive sensor according to claim 2, characterized in that said piston unit comprises a first piston, a second piston, a spring set on the second piston, and a cylinder body for accommodating the second piston and the spring; said first piston comprises a first piston top and a first piston rod, and said second piston comprises a second piston top and a second piston rod. 4. A conductive sensor according to claim 3, wherein said first piston is set inside a holding chamber formed by the first housing and the second housing. 5. A conductive sensor according to claim 4, wherein after said second piston and the spring are accommodated in the cylinder body, the cylinder body is mounted inside the holding chamber formed by the second housing and the third housing; the first piston rod of the first piston presses at the second piston top of the second piston. 6. A conductive sensor according to claim 5, wherein said brush head unit comprises a fixing element used for fixing the brush head; said fixing element is connected with the end of the second piston rod of the second piston. 7. A conductive sensor according to claim 6, wherein cleaning strips are set on said brush head. 8. A conductive sensor according to claim 1, wherein said piston unit comprises the piston and the spring set on the piston; said piston comprises the piston top and the piston rod; the brush head of said brush head unit is fixed to the end of the piston rod. 9. A urinal comprising: a urinal body;a sewer pipe configured to connect the urinal body to a sewage channel, said sewer pipe comprising an inlet, an outlet and a trap, said inlet being connected with the urinal body and the outlet being configured to be connected with the sewage channel;a controller;a conductive sensor mounted in the sewer pipe and electrically connected with the controller, said conductive sensor comprises an insulating body and a detecting electrode mounted at said insulating body to detect the electric conductivity of the liquid in the trap, said conductive sensor also comprises a self-cleaning device controlled by the controller to clean the end of the detecting electrode; said self-cleaning device comprises a housing, a piston unit mounted inside said housing, and a brush head unit connected with the piston unit;a water inlet pipe and a water outlet pipe mounted to said housing, wherein the water inlet pipe is configured to be connected with a tap water pipe and the water outlet pipe is configured to be connected with the sewer pipe,wherein said brush head unit comprises a brush head used for cleaning the end of the detecting electrode. 10. A urinal having the conductive sensor according to claim 9, wherein said housing further comprises a first housing, a second housing and a third housing; said water inlet pipe is set to the first housing, and said water outlet pipe is set to the second housing. 11. A urinal having the conductive sensor according to claim 10, wherein said piston unit comprises a first piston, a second piston, a spring mounted on the second piston, and a cylinder body accommodating the second piston and the spring; said first piston comprises the first piston top and the first piston rod, while said second piston comprises the second piston top and the second piston rod. 12. A urinal having the conductive sensor according to claim 11, wherein said first piston is mounted inside the holding chamber formed by the first housing and the second housing. 13. A urinal having the conductive sensor according to claim 12, wherein after said second piston and the spring are accommodated to the cylinder body, the cylinder body is mounted inside the holding chamber formed by the second housing and the third housing; the first piston rod of the first piston presses at the second piston top of the second piston. 14. A urinal having the conductive sensor according to claim 13, wherein said brush head unit comprises a fixing element connected with the end of the second piston rod of the second piston. 15. A urinal having the conductive sensor according to claim 14, wherein cleaning strips are mounted on said brush head. 16. A urinal having the conductive sensor according to claim 9, wherein said piston unit comprises a piston and a spring set on the piston; said piston comprises a piston top and a piston rod; the brush head of said brush head unit is fixed at the end of the piston rod.
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