CN211561183U

CN211561183U - Deep ultraviolet disinfection system for toilet

Info

Publication number: CN211561183U
Application number: CN201921833850.4U
Authority: CN
Inventors: 叶仲元
Original assignee: Shenzhen Huaxin Audio Technology Co ltd
Current assignee: Shenzhen Huaxin Audio Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-25
Anticipated expiration: 2029-10-29

Abstract

A deep ultraviolet disinfection system for toilets comprising: the control device is provided with a shell which is sealed in a water-tight manner, and a control circuit and a rechargeable battery which supplies power for the control circuit are arranged in the shell; the sterilization device is provided with a sheet-shaped attaching piece, the back surface of the attaching piece is provided with a back adhesive, and the front surface of the attaching piece is provided with a deep ultraviolet lamp, a distance sensor and a human body induction sensor; the control circuit provides working voltage for the deep ultraviolet lamp, the distance sensor and the human body induction sensor through the input cable, and the distance sensor and the human body induction sensor feed back detection signals to the control circuit. Compared with the prior art, the utility model discloses have better waterproof structural processing, provide simple additional installation mode, no matter be newly-installed closestool or old closestool can all implement, adopt the distance to detect the human detection technique of cooperation, only just can light dark ultraviolet lamp automatically after the toilet lid closes and disinfect, avoided human eyes direct-view ultraviolet ray and the injury that brings.

Description

Deep ultraviolet disinfection system for toilet

Technical Field

The utility model relates to a closestool disinfection technology specifically is a deep ultraviolet ray disinfection system for closestool.

Background

The closestool is a household facility which is very common in daily use in modern society, and is widely arranged in public fields such as schools, hospitals, government units, airports and the like. Since the birth of the closestool, the daily use of the closestool is basically the same, and the structure of the closestool is also the same, and the closestool comprises a closestool cover, a closestool ring, a base, a flushing tank and the like.

As a public household, common use scenes are shared by multiple persons, and the environment where the closestool is used is a toilet or a toilet and a bathroom, the household toilet is characterized in that direct sunlight cannot be generated (sunlight mainly adopts ultraviolet rays, which is the most effective and rapid mode for disinfection and sterilization), the installation environment of the closestool is humid, which is a place where bacteria are very easily generated, and the toilet ring, which is a part of the closestool directly contacting with a human body, is a part where the bacteria are very easily generated. However, all products related to cleaning the toilet bowl in the market at present do not solve the problem, such as common toilet fragrance packages, which provide an odor covering; the popular intelligent toilet cover in the year is only aimed at automatic flushing inside the toilet base and has the disinfection and sterilization function of not covering the toilet ring.

Chinese utility model with publication number CN204849976U discloses an ultraviolet disinfection toilet, the left outer side below the water tank is provided with ultraviolet disinfection electric control device, is provided with ultraviolet lamp tube below the toilet lid, can disinfect in the toilet automatically.

The invention with the publication number of CN104856605B discloses a toilet cover and seat (i.e. toilet ring) assembly with ultraviolet lamps, which comprises a toilet cover and a seat under the toilet cover, wherein the inner sides of the toilet cover and the seat are respectively provided with a plurality of ultraviolet lamps, the edge of the inner side of the toilet cover is provided with a trigger switch, and the trigger switch is connected in a power supply loop of the ultraviolet lamps. The ultraviolet lamp on the inner side of the toilet cover can be used for sterilizing and disinfecting the surface of the seat ring below and the bottom of the toilet; and the ultraviolet lamps on the inner side of the seat ring and the periphery of the annular body can sterilize and disinfect the inner wall of the closestool. Therefore, all areas in the closestool and the surface of the seat ring can be sterilized and disinfected without dead angles. After the closestool is used, the closestool cover can be closed by pressing the trigger switch to start the ultraviolet lamp for sterilization for a certain time, and then the ultraviolet lamp is automatically closed, so that the closestool is safe and convenient to use.

The applicant researches on the prior art not limited to the above mentioned, and finds that the prior art mostly adopts the arrangement of an ultraviolet light source on a toilet cover, and controls the ultraviolet light source to sterilize and disinfect the toilet seat ring of the toilet or the interior of the toilet through a trigger switch. However, the prior art has a plurality of defects:

(1) the structure of the toilet lid is redesigned, and the common toilet lid cannot be compatibly implemented;

(2) only a mechanical trigger switch is adopted for detection and control, so that the fault tolerance is poor, and the accident of out-of-control operation of the ultraviolet light source is easy to occur;

(3) the utility power is adopted for power supply, so that wiring construction is inconvenient and potential safety hazards of power exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a make up the above-mentioned weak point of prior art, provide a deep ultraviolet ray disinfection system for closestool, concrete scheme as follows.

A deep ultraviolet disinfection system for toilets comprising:

the control device is provided with a shell which is sealed in a watertight manner, a control circuit and a rechargeable battery which supplies power for the control circuit are arranged in the shell, an output interface and a charging interface which are connected with the control circuit are installed on one side of the shell, and the control device is connected with an external power supply through the charging interface to charge the rechargeable battery;

the sterilization device is provided with a sheet-shaped attaching piece, back glue is arranged on the back face of the attaching piece, a deep ultraviolet lamp, a distance sensor and a human body induction sensor are arranged on the front face of the attaching piece, an input cable connected with the deep ultraviolet lamp, the distance sensor and the human body induction sensor is arranged on the edge of the attaching piece, and an input interface matched with the output interface in a plugging mode is arranged at the tail end of the input cable; after the input interface is connected with the output interface in an inserting mode, the control circuit provides working voltage for the deep ultraviolet lamp, the distance sensor and the human body induction sensor through the input cable, and the distance sensor and the human body induction sensor feed back detection signals to the control circuit.

As the improvement of the technical scheme, the mounting part is annular, the left part and the right part of the mounting part are symmetrically provided with a distance sensor respectively, and the deep ultraviolet lamps are a plurality of deep ultraviolet LEDs arranged at intervals along the mounting part.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the control device adopts a detachable mobile power supply technology, has better waterproof structural treatment, and fully considers the use convenience and safety of users;

(2) the sterilization device adopts a back-mounted structural design, provides a simple mounting mode, and can be implemented no matter a newly-mounted closestool or an old closestool;

(3) adopt apart from detecting the human detection technology of cooperation, strictly judge whether close the toilet lid, only can light dark ultraviolet lamp automatically and disinfect after the toilet lid closes, avoided the injury that human eyes directly see the ultraviolet ray and bring.

The invention will be described in greater detail with reference to the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a structure diagram of the control device in the present invention.

Fig. 3 is a schematic view of the usage state of the present invention.

Fig. 4 is a schematic circuit diagram of the central control module of the present invention.

Fig. 5 is a schematic circuit diagram of the middle distance sensor of the present invention.

Fig. 6 is a schematic circuit diagram of the middle human body induction sensor of the present invention.

Fig. 7 is a schematic circuit diagram of the middle switch module of the present invention.

Fig. 8 is a schematic circuit diagram of the middle driving module of the present invention.

Fig. 9 is a schematic circuit diagram of the medium current protection module of the present invention.

Fig. 10 is a schematic circuit diagram of a middle charging module according to the present invention.

Fig. 11 is a schematic circuit diagram of the middle power display module of the present invention.

Detailed Description

As shown in fig. 1 to 2, the deep ultraviolet ray sterilizing system for toilets includes:

the control device 1 comprises a shell 11 sealed in a watertight manner, a control circuit (not shown) and a rechargeable battery (not shown) for supplying power to the control circuit are arranged in the shell 11, an output interface 12 and a charging interface 13 which are connected with the control circuit are installed on one side of the shell 11, and an external power supply is connected through the charging interface 13 to charge the rechargeable battery;

the sterilization device 2 is provided with a sheet-shaped attaching part 21, a back adhesive is arranged on the back surface of the attaching part 21, a deep ultraviolet lamp 22, a distance sensor 23 and a human body induction sensor 24 are arranged on the front surface of the attaching part 21, an input cable 25 connected with the deep ultraviolet lamp 22, the distance sensor 23 and the human body induction sensor 24 is arranged on the edge of the attaching part 21, and an input interface 26 matched with the output interface 12 in a plugging and unplugging mode is arranged at the tail end of the input cable 25; after the input interface 26 is plugged with the output interface 12, the control circuit provides working voltage for the deep ultraviolet lamp 22, the distance sensor 23 and the human body induction sensor 24 through the input cable 25, and the distance sensor 23 and the human body induction sensor 24 feed back detection signals to the control circuit.

As shown in fig. 3, when the deep ultraviolet disinfection system for toilets according to the above technical solutions is implemented in the illustrated toilet 9, the back surface of the sticker 21 is provided with a back adhesive, so that the sterilization device is mounted on the inner wall of the toilet lid 91 by a back-mounted structure, providing a simple attachment method, which can be implemented in either a newly installed toilet or an old toilet; similarly, the control device 1 is also fixed on the side wall of the water tank of the closestool 9 in an adhesive way, and the input cable 25 is also properly wired along the outer wall of the closestool in an adhesive way;

when the closestool 9 is not used, the closestool cover 91 and the closestool ring 92 are both turned down to the horizontal position, the distance sensor 23 feeds back a detection signal to the control circuit when detecting that the closestool cover 91 and the closestool ring 92 are folded, and the control circuit opens the deep ultraviolet lamp 22; because the sticking piece 21 is arranged on the inner wall of the toilet cover 91 by adopting a back sticking after-loading structure, the deep ultraviolet lamp 22 can irradiate short wave ultraviolet rays on the toilet seat ring 92 when working, thereby realizing sterilization;

when the closestool 9 is used for sitting and going to the toilet, the distance detection technology is adopted to be matched with the human body detection technology, even if the back of a user also acts on the distance sensor 23, the human body induction sensor 24 can simultaneously detect the human body and feed back a detection signal to the control circuit, the control circuit can control the deep ultraviolet lamp 22 not to be started, and the user is prevented from being influenced by ultraviolet irradiation, for example, the injury caused by direct vision of ultraviolet rays of human eyes is avoided;

in addition, the control device 1 adopts a detachable mobile power supply technology, has watertight packaging and better waterproof structural treatment, and fully considers the use convenience and safety of users.

As shown in fig. 1 and 3, in a preferred embodiment, the attachment member 21 is in a ring shape, the distance sensors 23 are symmetrically arranged on the left and right of the attachment member 21, and the deep ultraviolet lamps 22 are a plurality of deep ultraviolet LEDs arranged at intervals along the attachment member 21. The attaching part 21 is annular, namely, the shape of the attaching part is matched with that of the pedestal pan ring 92, so that the deep ultraviolet lamps 22 are reasonably distributed according to the actual contact position of the human body and the pedestal pan ring 92, and the sterilization is more accurate.

As shown in fig. 4, the control circuit has a central control module, which uses an integrated circuit U2 with model number CM9M 145; the integrated circuit U2 provides driving signals for the distance sensor 23 and the human body induction sensor 24 through the 6 th pin, and receives detection signals of the distance sensor through the 2 nd pin and the 3 rd pin, respectively, and also receives detection signals of the human body induction sensor 24 through the 20 th pin.

As shown in fig. 5, the distance sensor 23 employs a photoelectric switch IR1 and a photoelectric switch IR2, both of which are SIR765, a 1 st pin and a 3 rd pin of the photoelectric switch IR1 are connected in parallel with the positive electrode of the rechargeable battery, a 2 nd pin of the photoelectric switch IR1 is connected with a triode Q6, and a base, a collector and an emitter of the triode Q6 are respectively connected with a 6 th pin of the integrated circuit U2, a 2 nd pin of the photoelectric switch IR1 and ground; the 1 st pin and the 3 rd pin of the photoelectric switch IR2 are connected in parallel with the anode of the rechargeable battery, the 2 nd pin of the photoelectric switch IR2 is connected with a triode Q8, and the base, the collector and the emitter of the triode Q8 are respectively connected with the 6 th pin of the integrated circuit U2, the 2 nd pin of the photoelectric switch IR2 and the ground; the 3 rd pin of the photoelectric switch IR1 is also connected with the 2 nd pin of the integrated circuit U2, and the 3 rd pin of the photoelectric switch IR2 is also connected with the 3 rd pin of the integrated circuit U2;

as shown in fig. 6, the human body sensor 24 is an infrared pyroelectric sensor with model number RE200B-TO5, and the 1 st pin, the 2 nd pin and the 3 rd pin of the sensor are respectively connected with the 20 th pin of the integrated circuit U2, the anode of the rechargeable battery and the ground.

As shown in fig. 7, the control circuit has a switch module, the rechargeable battery supplies power to the deep ultraviolet lamp 22 through the switch module, and the pin 10 of the integrated circuit U2 outputs a circuit switch control signal for the switch circuit; the switch module comprises a triode Q2 and an MOS tube Q5, the source electrode of the MOS tube Q5 is connected with the positive electrode of the rechargeable battery, the drain electrode of the MOS tube Q5 outputs driving voltage for the deep ultraviolet lamp 22, the collector electrode of the triode Q2 and the grid electrode of the MOS tube Q5 are connected in parallel with the positive electrode of the rechargeable battery, the collector electrode of the triode Q2 is grounded, and the base electrode of the triode Q2 is connected with the 10 th pin of the integrated circuit U2.

As shown in fig. 8, the control circuit has a driving module, the driving module is an integrated circuit U4 with model number AP9193, a pin 8 of the integrated circuit U4 is connected to the driving voltage output by the switching module, and the deep ultraviolet lamp 22 is connected in parallel between a pin 8 and a pin 4 of the integrated circuit U4.

As shown in fig. 9 and 10, the control circuit has a current protection module and a charging module, the current protection module is connected to an external power source through a charging interface 13 and provides an input voltage for the charging module; the charging module adopts an integrated circuit U3 with model number TP4056, a pin 8 of the integrated circuit U3 is connected with an input voltage provided by the current protection module, a pin 5 is connected with the anode of the rechargeable battery to provide a charging voltage for the rechargeable battery, and a pin 7 is connected with a pin 12 of the integrated circuit U2.

As shown in fig. 2 and fig. 11, the control circuit has a power display module, which is a five-pin three-position nixie tube 14 installed on the surface of the housing 11, and the 1 st pin to the 5 th pin of the five-pin three-position nixie tube 14 are respectively connected with the 17 th pin to the 13 th pin of the integrated circuit U2.

As shown in fig. 2 and 4, the test button 15 is mounted on the surface of the housing 11, the 1 st pin of the integrated circuit U2 is grounded through a test switch S1, and the test button 15 is used to press and operate the test switch S1.

In the deep ultraviolet disinfection system for the toilet, two distance sensors are in a working state, a signal pin IR _ CHEC (pin 6 of an integrated circuit U2) transmits a signal to the distance sensors, the signal pins IR1 and IR2 (pin 2 and pin 3 of the integrated circuit U2) respectively receive the signal from the distance sensors, the signal pin IR _ CHEC (pin 6 of the integrated circuit U2) continuously transmits a pulse signal to enable infrared diodes in the distance sensors to be in a working state, when the two distance sensors simultaneously detect an obstacle, the signal pins IR1 and IR2 are switched from a high level to a low level, and simultaneously the integrated circuit U2 detects a human body induction signal RELO (pin 20 of the integrated circuit U2), if the signal is high, the human body is the obstacle (namely the situation of sitting in the toilet using the toilet), and the integrated circuit U2 continuously waits; if RELO signal is low, indicating that there is no obstacle (i.e. the case when the toilet is not in use), the integrated circuit U2 will determine that the toilet lid is in the closed state, and a high level will be provided to the signal pin EN (pin 10 of the integrated circuit U2) to turn on the transistor Q2, so that the collector of the transistor Q2 will be pulled low, and thus the MOS transistor Q5 will be turned on to supply power to the integrated circuit U4 in the driving module;

the working voltage of the deep ultraviolet lamp is about 7V, and the integrated circuit U4 is a constant-current boosting drive IC, so that the deep ultraviolet lamps connected in parallel can be well driven; the integrated circuit U3 is used for charging management of the rechargeable battery and provides 1A current charging protection; the signal pin VIN is an externally provided DC5V electric input end, and the signal pin B + is the anode of the battery; the signal pin CHRG is an electric quantity detection signal and is directly sent to the 12 th pin of the integrated circuit U3, the integrated circuit U3 judges the electric quantity of the current battery by scanning the voltage of the pin, and then the five-pin three-position nixie tube is driven to display the electric quantity by five pins of L1, L2, L3, L4 and L5;

through the logic programming of the integrated circuit U2, a user only needs any trigger system (closing the toilet cover or pressing a detection button), and the five-foot three-position nixie tube can be lightened to display the electric quantity; j4 is a charging interface, adopts a standard USB interface, and a user can access standard DC5V power to charge a battery, so that the USB interface is compatible with all DC5V adapters in the market; the input interface and the output interface can also adopt standard USB interface specification.

Various other modifications and alterations of the disclosed structure and principles may occur to those skilled in the art, and all such modifications and alterations are intended to be included within the scope of the present invention.

Claims

1. A deep ultraviolet disinfection system for toilets comprising:

2. The deep ultraviolet ray sterilization system for toilets according to claim 1, wherein the mounting member is formed in a ring shape, the left and right parts of the mounting member are symmetrically provided with a distance sensor, and the deep ultraviolet ray lamps are a plurality of deep ultraviolet ray LEDs arranged at intervals along the mounting member.

3. The deep ultraviolet disinfection system for toilets of claim 2, wherein the control circuit has a central control module that uses a model number CM9M145 integrated circuit U2; the integrated circuit U2 provides driving signals for the distance sensor and the human body induction sensor through the 6 th pin, and receives detection signals of the distance sensor through the 2 nd pin and the 3 rd pin, respectively, and also receives detection signals of the human body induction sensor through the 20 th pin.

4. The deep ultraviolet disinfection system for toilets according to claim 3, wherein the distance sensor employs a photoelectric switch IR1 and a photoelectric switch IR2, both of which are SIR765 type, the 1 st pin and the 3 rd pin of the photoelectric switch IR1 are connected in parallel with the positive pole of the rechargeable battery, the 2 nd pin of the photoelectric switch IR1 is connected with a triode Q6, the base, collector and emitter of the triode Q6 are respectively connected with the 6 th pin of the integrated circuit U2, the 2 nd pin of the photoelectric switch IR1 and the ground; the 1 st pin and the 3 rd pin of the photoelectric switch IR2 are connected in parallel with the anode of the rechargeable battery, the 2 nd pin of the photoelectric switch IR2 is connected with a triode Q8, and the base, the collector and the emitter of the triode Q8 are respectively connected with the 6 th pin of the integrated circuit U2, the 2 nd pin of the photoelectric switch IR2 and the ground; the 3 rd pin of the photoelectric switch IR1 is also connected with the 2 nd pin of the integrated circuit U2, and the 3 rd pin of the photoelectric switch IR2 is also connected with the 3 rd pin of the integrated circuit U2.

5. The deep ultraviolet ray sterilization system for toilets according TO claim 3, wherein the human body sensor is an infrared pyroelectric sensor with model number RE200B-TO5, and the 1 st pin, the 2 nd pin and the 3 rd pin are respectively connected with the 20 th pin of the integrated circuit U2, the positive pole of the rechargeable battery and the ground.

6. The deep ultraviolet disinfection system for toilets according to claim 3, wherein the control circuit has a switch module through which the rechargeable battery powers the deep ultraviolet lamp, and pin 10 of the integrated circuit U2 outputs a circuit switch control signal for the switch circuit; the switch module comprises a triode Q2 and an MOS tube Q5, the source electrode of the MOS tube Q5 is connected with the positive electrode of the rechargeable battery, the drain electrode of the MOS tube Q5 outputs driving voltage for the deep ultraviolet lamp, the collector electrode of the triode Q2 and the grid electrode of the MOS tube Q5 are connected with the positive electrode of the rechargeable battery in parallel, the collector electrode of the triode Q2 is grounded, and the base electrode of the triode Q2 is connected with the 10 th pin of the integrated circuit U2.

7. The deep ultraviolet disinfection system for toilets of claim 6, wherein the control circuit has a driving module, the driving module is an integrated circuit U4 with model number AP9193, the 8 th pin of the integrated circuit U4 is connected to the driving voltage output by the switch module, and the deep ultraviolet lamp is connected in parallel between the 8 th pin and the 4 th pin of the integrated circuit U4.

8. The deep ultraviolet disinfection system for toilets according to claim 3, wherein the control circuit has a current protection module and a charging module, the current protection module is connected to an external power source through the charging interface and provides an input voltage for the charging module; the charging module adopts an integrated circuit U3 with model number TP4056, a pin 8 of the integrated circuit U3 is connected with an input voltage provided by the current protection module, a pin 5 is connected with the anode of the rechargeable battery to provide a charging voltage for the rechargeable battery, and a pin 7 is connected with a pin 12 of the integrated circuit U2.

9. The deep ultraviolet disinfection system for toilets according to claim 8, wherein the control circuit has a power display module, the power display module is a five-pin three-position nixie tube mounted on the surface of the housing, and pins 1 to5 of the five-pin three-position nixie tube are respectively connected with pins 17 to 13 of the integrated circuit U2.

10. The deep ultraviolet sterilization system for toilets according to claim 9, wherein the inspection button is installed on the surface of the housing, the 1 st pin of the integrated circuit U2 is grounded through a inspection switch S1, and the inspection button is used to press the inspection switch S1.