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A control device for automatic water discharge installed at position where water is discharged in apparatus for automatic water discharge in a kitchen and sanitary environment is provided. The device comprises a housing, a sensor unit disposed inside the housing, a water discharge unit, and an elect

A control device for automatic water discharge installed at position where water is discharged in apparatus for automatic water discharge in a kitchen and sanitary environment is provided. The device comprises a housing, a sensor unit disposed inside the housing, a water discharge unit, and an electromagnetic valve assembly. The housing comprises a first holding chamber configured to receive the sensor unit, a second holding chamber configured to receive the electromagnetic valve assembly, a third holding chamber configured to receive the water discharge unit, and a water intake chamber. The sensor unit comprises a circuit board and a sensor set at the circuit board. The circuit board is provided with a processor. The electromagnetic valve assembly comprises an electromagnetic valve electrically connected with the circuit board and a diaphragm unit. Motion of the diaphragm unit controls connecting and blocking between the water intake chamber and the third holding chamber to respectively realize water discharge or to stop water. The control device for automatic water discharge is designed as compact structures, and is conducive to the miniaturization of products.

대표청구항 ▼

1. A control device for automatic water discharge, mounted at a position where water is discharged from an automatic water discharge device, in a kitchen or sanitation environment, the control device comprising: a housing comprising: a front end and a back end opposite the front end;a first holding

1. A control device for automatic water discharge, mounted at a position where water is discharged from an automatic water discharge device, in a kitchen or sanitation environment, the control device comprising: a housing comprising: a front end and a back end opposite the front end;a first holding chamber having an opening positioned at the front end of the housing;a second holding chamber having an opening positioned at the back end of the housing;a third holding chamber having an opening positioned at the front end of the housing; anda water intake chamber;a sensor unit received in the first holding chamber and comprising a circuit with a processor and a sensor set at the circuit;a diaphragm unit movable in a first direction;an electromagnetic valve assembly received in the second holding chamber and comprising an electromagnetic valve electrically connected with the circuit and configured to control the motion of the diaphragm, the electromagnetic valve comprising an electromagnet set inside the valve cover such that an operative motion of the electromagnet is in a second direction that is transverse to the first direction; anda water discharge unit received in the third holding chamber;wherein motion of the diaphragm unit controls connecting or blocking between the water intake chamber and the third holding chamber to respectively discharge water or stop water. 2. A control device for automatic water discharge according to claim 1, wherein the electromagnetic valve comprises a valve cover, the electromagnet disposed inside the valve cover; wherein the electromagnet comprises a cylinder body, a valve core contained inside the cylinder body, and a coil set at two sides of the valve core; andwherein a cavity is formed between the valve cover and the diaphragm unit. 3. A control device for automatic water discharge according to claim 2, comprising a water intake channel connected with the cavity and a water leak channel connected with the third holding chamber are disposed in the valve cover; wherein a movement of the valve core controls connecting and blocking between the water intake channel and the water leak channel. 4. A control device for automatic water discharge according to claim 3, wherein both the water intake channel and the water leak channel are positioned at the side of the valve cover adjacent to the valve core. 5. A control device for automatic water discharge according to claim 3, comprising a leak hole connected to both the second holding chamber and the third holding chamber is provided in the housing; wherein the water leak channel is connected to the third holding chamber through the leak hole. 6. A control device for automatic water discharge according to claim 2, wherein the diaphragm unit comprises a moving diaphragm and a moving plate provided on the moving diaphragm; and wherein a water supplement hole connected with the cavity is disposed on the moving plate. 7. A control device for automatic water discharge according to claim 6, comprising a pin fitted with the water supplement hole is disposed on the diaphragm unit. 8. A control device for automatic water discharge according to claim 1, wherein the circuit comprises a first portion and a second portion, the sensor being disposed on the first portion and the processor being disposed on the second portion; and wherein the first portion of the circuit is positioned at a surface of the front end of the housing with the sensor facing towards a sensing area, and the second portion is positioned inside the first holding chamber. 9. A control device for automatic water discharge according to claim 8, wherein the circuit is set on a flexible circuit board. 10. A control device for automatic water discharge according to claim 1, wherein the water intake chamber is positioned at one side of the second holding chamber. 11. An apparatus for automatic water discharge comprising: a control device for automatic water discharge set at a position where the water is discharged from the apparatus, the control device for automatic water discharge being connected with a water pipe of the apparatus for automatic water discharge and comprising: a housing comprising a first holding chamber, a second holding chamber, a third holding chamber, and a water intake chamber connected with the water pipe;a sensor unit contained in the first holding chamber;a water discharge unit contained in the third holding chamber;an electromagnetic valve assembly contained in the second holding chamber and comprising an electromagnetic valve having a valve cover and an electromagnet disposed inside the valve cover;a diaphragm unit;a cavity formed between the valve cover and the diaphragm unit;a water intake channel connected with the cavity; anda water leak channel connected with the third holding chamber;wherein the sensor unit comprises a circuit board provided with a processor and a sensor set at the circuit board for detecting if user enters/leaves a sensing area of the apparatus for automatic water discharge;wherein the electromagnetic valve is electrically connected with the circuit board and operably coupled to the diaphragm unit, wherein motion of the diaphragm unit controls connecting and blocking between the water intake chamber and the third holding chamber to respectively discharge water or stop water; wherein the electromagnet is set inside the valve cover such that a direction of actuation of the electromagnet is transverse a direction of motion of the diaphragm unit; andwherein the water intake channel and the water leak channel are disposed in the valve cover and positioned at the side of the valve cover adjacent to the electromagnet. 12. An apparatus for automatic water discharge according to claim 11, wherein the electromagnet comprises a cylinder body, a valve core contained inside the cylinder body, and a coil set at two sides of the valve core. 13. An apparatus for automatic water discharge according to claim 12, wherein a movement of the valve core controls connecting and blocking between the water intake channel and the water leak channel. 14. An apparatus for automatic water discharge according to claim 13, comprising a leak hole connected to both the second holding chamber and the third holding chamber is provided at the housing; wherein the water leak channel is connected to the third holding chamber by means of the leak hole. 15. An apparatus for automatic water discharge according to claim 13, wherein the water intake channel and the water leak channel are positioned at the side of the valve cover adjacent to the valve core. 16. An apparatus for automatic water discharge according to claim 12, wherein the diaphragm unit comprises a moving diaphragm and a moving plate provided on the moving diaphragm; and wherein a water supplement hole connected with the cavity is disposed on the moving plate. 17. An apparatus for automatic water discharge according to claim 16, wherein the diaphragm unit also comprises a pin fitted with the water supplement hole. 18. An apparatus for automatic water discharge according to claim 11, wherein the circuit board comprises a first portion and a second portion, the sensor being disposed on the first portion and the processor being disposed on the second portion; and wherein the first portion of the circuit board is positioned at a surface of a front end of the housing with the sensor facing towards the sensing area, and the second portion is positioned inside the first holding chamber. 19. An apparatus for automatic water discharge according to claim 11, wherein openings of the first and third holding chambers are positioned at a front end of the housing; openings of the second holding chamber and the water intake chamber are positioned at a back end of the housing; and the water intake chamber is positioned at one side of the second holding chamber. 20. An apparatus for automatic water discharge according to claim 11, wherein the apparatus for automatic water discharge is an automatic sensing faucet.