CN209884020U

CN209884020U - Safe and effective direct-current seat ring heating system

Info

Publication number: CN209884020U
Application number: CN201920097127.8U
Authority: CN
Inventors: 龚爱兰
Original assignee: Wenling Langyou Electronic Technology Co Ltd
Current assignee: Wenling Langyou Electronic Technology Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-01-03
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses a safe and effective direct current seat ring heating system, which comprises a seat ring body, a temperature sensor, a seat ring electric heater, an external 20V-35V direct current power supply for providing an electric heating power supply for the seat ring electric heater, and a temperature controller and a temperature fuse which are connected in series between the rear stage of the 20V-35V direct current power supply and the seat ring electric heater; the back of the seat ring body is provided with a temperature sensor for sensing the temperature of the seat ring electric heater. The heating wire heating power supply is safe and reliable more, avoids the problem of potential safety hazard in heating use, prevents the occurrence of heating use safety accidents, and provides better heating use safety guarantee for people.

Description

Safe and effective direct-current seat ring heating system

Technical Field

The utility model relates to a seat circle heating system especially relates to an intelligent closestool seat circle heating system who uses on intelligent closestool or squatting pan.

Background

Along with the application and popularization of intelligent toilets or intelligent closestools, more and more intelligent toilets or intelligent closestools enter household bathroom configuration equipment of people, an important component in the intelligent toilets or closestools is a heating seat ring used on the toilet or the closestools, and more comfortable use temperature can be provided for people by heating the heating seat ring, and particularly for users in winter or even in north, the users using the heating seat ring are certainly more comfortable than the intelligent toilets or closestools without the heating seat ring function, and the users have more proper use body feeling; however, the existing heating scheme used on the heating seat ring mainly adopts an alternating current power supply mode of directly supplying power by commercial power to provide an alternating current heating power supply for the heating wires; however, the conventional seat ring electric heater adopting 220V alternating current to heat the heating wire has the potential safety hazard of electric leakage in use and even causes the occurrence of use safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the heater strip on current intelligent closestool or squatting pan heating seat circle and have easily and use electric leakage potential safety hazard, lead to using current situation such as incident phenomenon to take place even and provide one kind for heater strip heating power supply safe and reliable more, avoid appearing heating and use potential safety hazard problem, prevent to heat and use the safety accident to appear, provide the effectual direct current seat circle heating system of safety of better heating safety guarantee for people.

The utility model discloses a solve the concrete technical scheme that above-mentioned technical problem adopted and be: the utility model provides a safe effectual direct current seat circle heating system, includes seat circle body, temperature sensor and seat circle electric heater, its characterized in that: the seat ring electric heater is characterized by also comprising an external 20V-35V direct-current power supply for providing an electric heating power supply for the seat ring electric heater, wherein a temperature controller and a temperature fuse are connected in series between the rear stage of the 20V-35V direct-current power supply and the seat ring electric heater; the back of the seat ring body is provided with a temperature sensor for sensing the temperature of the seat ring electric heater. For heater strip or heating pipe heating power supply safe and reliable more, avoid appearing heating and use the potential safety hazard problem, prevent to heat and use the incident and appear, provide better heating for people and use the safety guarantee.

Preferably, the seat ring electric heater adopts a seat ring temperature electric heating wire or a seat ring temperature electric heating pipe with the power of 30W-50W. The stability, reliability and uniformity of the electric heating temperature of the seat ring are improved.

Preferably, the 20V-35V dc power supply comprises an ac input power supply, an ac transformer, a rectifying circuit and a filter circuit, wherein the ac transformer is electrically connected to the rear stage of the ac input power supply, the rectifying circuit is electrically connected to the rear stage of the ac transformer, the filter circuit is electrically connected to the rear stage of the rectifying circuit, the rectifying circuit adopts a full-wave rectifying bridge, and the filter circuit is connected in parallel to the output end of the rectifying circuit. The safety and reliability of heating use are improved to a greater extent by direct current of 20V-35V, the effectiveness of heating use time of the electric heating wire of the seat ring can be considered, and the circuit structure is simple, reliable and effective.

Preferably, the temperature sensors are arranged at the back positions of the seat ring body on the left side and the right side of the seat ring, and seat ring temperature heating wires are distributed on the back of the seat ring. The reliable effective homogeneity of the acquisition of improvement to seat circle body temperature detection data signal, dual guarantee temperature detection signal's acquisition and control.

Preferably, the seat ring electric heater is provided with a seat ring heating control circuit in the front stage, the seat ring heating control circuit comprises a relay and a temperature sensor, the temperature sensor is electrically connected with a relay control coil, a relay normally open contact switch is connected between the rear stage of the 20V-35V direct-current power supply and the seat ring electric heater in series, when the relay normally open contact is closed, the seat ring electric heater works to heat the seat ring, and when the relay normally open contact is disconnected, the seat ring electric heater stops heating the seat ring. The simple, convenient and effective electric heating control of the seat ring electric heater is improved, and the manufacturing cost of the product is reduced.

Preferably, the temperature heating wire is pressed at the back of the seat ring body by adopting a single roundabout or double roundings at the bottom of the seat ring body, the temperature sensor is arranged between the two electric heating wires in the roundabout distribution state, and the back of the seat ring body is provided with pouring sealant for packaging the seat ring electric heater and the temperature sensor. The effectiveness of waterproof safety sealing for the seat ring electric heater and the temperature sensor is improved.

Preferably, the temperature sensor is an NTC thermistor. The convenience and effectiveness of the electric heater for the temperature detection control seat ring are improved,

preferably, a temperature controller is connected between the relay normally open contact switch and the seat ring electric heater in series, and

a thermal fuse. The heating temperature control reliability and effectiveness of the electric heater with the seat ring are improved.

Preferably, the seat ring heating control circuit is provided with a temperature detection circuit, and the temperature sensor and the relay control coil are both connected with the temperature detection circuit. And the effectiveness of temperature detection feedback control is improved.

Preferably, the 20V-35V DC power supply adopts a switching power supply with 20V-35V DC power supply output. By using the switching power supply in the prior art, the power supply output is more stable and reliable, the switching power supply in the prior art is directly purchased, the production efficiency is improved, and intermediate links in production are reduced.

The utility model has the advantages that: the heating and power supply for the heating wire or the heating pipe is safer and more reliable, the problem of potential safety hazard in heating and use is avoided, the occurrence of heating and use safety accidents is prevented, and better heating and use safety guarantee is provided for people; the control is more favorable for reducing the manufacturing cost of products, the potential safety hazard caused by electric leakage is improved, and the safety and reliability in use are improved.

Description of the drawings:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic block diagram of the safe and effective dc seat ring heating system of the present invention.

Fig. 2 is a schematic circuit diagram of the safe and effective dc seat ring heating system of the present invention.

Fig. 3 is a schematic view of the back structure of the seat ring body using the safe and effective dc seat ring heating system of the present invention.

Detailed Description

In the embodiment shown in fig. 1, 2 and 3, a safe and effective dc seat ring heating system comprises a seat ring body 50, a temperature sensor 30, a seat ring electric heater, an external 20V-35V dc power supply for providing an electric heating power supply for the seat ring electric heater, and a temperature controller 60 and a temperature fuse 40 connected in series between the rear stage of the 20V-35V dc power supply 10 and the seat ring electric heater; the back of the seat body is provided with a temperature sensor 20 for sensing the temperature of the electric heater of the seat. The temperature controller 60 can adopt a temperature controller in the prior art, and the seat ring electric heater adopts a seat ring temperature electric heating wire 20 or a seat ring temperature electric heating pipe with the power of 30W-50W. The 20V-35V direct current power supply comprises a 220V alternating current input power supply, an alternating current transformer B1, a rectifying circuit and a filter circuit, wherein the rear stage of the alternating current input power supply is electrically connected with the alternating current transformer, the rear stage of the alternating current transformer is electrically connected with the rectifying circuit, the rear stage of the rectifying circuit is electrically connected with the filter circuit, the rectifying circuit adopts a full-wave rectifying bridge BQ1, and the filter circuit adopts a filter capacitor C1 which is connected in parallel with the output end of the rectifying. Of course, the external 20V-35V DC power supply can also adopt a switch power supply output by a 20V-35V DC power supply in the prior art, and a fuse F1 is connected in series between a-220V AC input power supply and the input end of an AC transformer. The temperature sensors 30 are arranged at the back positions of the seat ring bodies on the left side and the right side of the seat ring, and seat ring temperature heating wires 20 are distributed on the back of the seat ring. The seat ring temperature heating wire 20 and the external electric wire are connected together through the connecting terminal 21, so that the connection convenience, stability and reliability between the seat ring temperature heating wire 20 and the external electric wire are improved. The seat circle electric heater preceding stage is equipped with seat circle heating control circuit 01, seat circle heating control circuit includes relay and temperature sensor, temperature sensor 30 is connected with relay control coil J1 electricity, relay normally open contact switch JK establishes ties between 20V ~ 35V DC power supply back level and seat circle electric heater, when relay normally open contact JK is closed, seat circle electric heater work heating seat circle, when relay normally open contact JK breaks off, seat circle electric heater stops to heat the seat circle. The seat circle heating control circuit can adopt current seat circle heating control circuit also can adopt the utility model discloses relay control circuit scheme among the technical scheme. Temperature heating wire 20 adopts single circuitous or two circuitous pressfittings in seat circle body back department in seat circle body 50 bottom, and seat circle body 50 back is equipped with the pouring sealant of encapsulation seat circle temperature heating wire 20, connecting terminal 21 and temperature sensor 30, and temperature sensor installs between two heating wires of circuitous distribution state, improves the waterproof sealed safe in use effect to seat circle temperature heating wire and temperature sensor. The temperature sensor adopts an NTC thermistor or a dry reed tube type temperature sensor. A temperature controller and a temperature fuse are connected in series between the relay normally open contact switch and the seat ring electric heater. The seat ring heating control circuit is provided with a temperature detection circuit 60, the temperature detection circuit 60 can adopt a temperature detection circuit in the prior art, a temperature sensor and a relay control coil are both connected with the temperature detection circuit, and the temperature detection circuit is arranged at the position between the relay control coil and the temperature sensor.

In the description of the positional relationship of the present invention, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, are presented only for the convenience of describing the embodiments 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 thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a safe effectual direct current seat circle heating system, includes seat circle body, temperature sensor and seat circle electric heater, its characterized in that: the seat ring electric heater is characterized by also comprising an external 20V-35V direct-current power supply for providing an electric heating power supply for the seat ring electric heater, wherein a temperature controller and a temperature fuse are connected in series between the rear stage of the 20V-35V direct-current power supply and the seat ring electric heater; the back of the seat ring body is provided with a temperature sensor for sensing the temperature of the seat ring electric heater.

2. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the seat ring electric heater adopts a seat ring temperature electric heating wire or a seat ring temperature electric heating pipe with the power of 30W-50W.

3. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the 20V-35V direct current power supply comprises an alternating current input power supply, an alternating current transformer, a rectifying circuit and a filtering circuit, wherein the alternating current transformer is electrically connected with the rear stage of the alternating current input power supply, the rectifying circuit is electrically connected with the rear stage of the alternating current transformer, the filtering circuit is electrically connected with the rear stage of the rectifying circuit, the rectifying circuit adopts a full-wave rectifying bridge, and the filtering circuit is connected in parallel with the output end of the rectifying circuit.

4. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the temperature sensor is arranged at the back of the seat ring body at the left side and the right side of the seat ring, and the back of the seat ring is distributed with seat ring temperature heating wires.

5. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the preceding stage of seat circle electric heater be equipped with seat circle heating control circuit, seat circle heating control circuit includes relay and temperature sensor, and temperature sensor is connected with relay control coil electricity, relay normally open contact switch establishes ties between 20V ~ 35V DC power supply back level and seat circle electric heater, when relay normally open contact closed, seat circle electric heater work heating seat circle, when relay normally open contact disconnection, seat circle electric heater stops heating the seat circle.

6. A safe and effective dc pedestal heating system as set forth in claim 4 wherein: the temperature heating wire adopt single circuitous or two circuitous pressfittings in seat circle body bottom in seat circle body back department, temperature sensor establishes between two heating wires of circuitous distribution state, seat circle body back is equipped with encapsulation seat circle electric heater and temperature sensor's casting glue.

7. A safe and effective direct current seat ring heating system as claimed in claim 1 or 4 or 5, wherein: the temperature sensor adopts an NTC thermistor.

8. A safe and effective dc pedestal heating system as set forth in claim 5 wherein: and a temperature controller and a temperature fuse are connected between the relay normally open contact switch and the seat ring electric heater in series.

9. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the seat ring heating control circuit is provided with a temperature detection circuit, and the temperature sensor and the relay control coil are connected with the temperature detection circuit.

10. A safe and effective dc pedestal heating system as set forth in claim 1 wherein: the 20V-35V direct current power supply adopts a switching power supply output by a 20V-35V direct current power supply.