CN211421290U - Deodorization and sterilization device for toilet - Google Patents

Abstract

The utility model provides a toilet deodorizing and sterilizing device, comprising: a casing, an adhesive card board, a controller, a photoresistor for generating a first control signal when light is detected, and a photoresistor for generating a first control signal when detecting light; When the angle is greater than a predetermined value, the angle sensing switch and the ultraviolet LED that generate the second control signal, the shell is stuck on the adhesive card, the adhesive card is bonded with the toilet cover, and the photoresistor and the ultraviolet LED are installed on the casing. On the lower surface, the controller is respectively connected with the photoresistor, the angle sensing switch, and the ultraviolet LED, the angle sensing switch is connected with the housing, and the controller activates the ultraviolet LED when receiving the first control signal and the second control signal. The utility model can turn on the ultraviolet LED by detecting the state of the toilet lid, thereby irradiating the surface of the object, killing various bacteria, viruses, parasites and other pathogens directly and decomposing the odor molecules, so as to achieve the effects of sterilization, disinfection and deodorization. , is more practical.

Description

Toilet deodorant and sterilization device

technical field

The utility model relates to the technical field of toilet sterilization and deodorization equipment, in particular to a toilet deodorization and sterilization device.

Background technique

Each of us goes to the toilet 6-8 times a day, about 2500 times a year. The toilet is the most frequently used place in the home. Its hygiene level is related to the health of everyone in the family. The number of bacteria on the inner wall of the toilet that has just been flushed is still as high as 100,000. The main bacteria in the toilet are: Escherichia coli, Staphylococcus aureus , urinary tract bacteria, etc., so the toilet also needs to be sterilized.

The sterilization and deodorization of toilets on the market are generally spray products, and the actual sterilization effect is not good. It cannot directly kill all bacteria, viruses, parasites, and other pathogens, and the sterilization efficiency is relatively general. Some products are ultraviolet lamps or sterilization equipment that comes with the toilet, which is inconvenient to operate during disinfection and sterilization, and has poor functionality and has certain limitations in use.

Utility model content

The utility model provides a toilet deodorizing and sterilizing device to solve at least one of the above technical problems.

In order to solve the above problems, as an aspect of the present utility model, a toilet deodorization and sterilization device is provided, which includes: a shell, an adhesive card board, a controller, and a photosensitive device for generating a first control signal when light is detected. a resistor, an angle sensing switch for generating a second control signal when it is detected that the angle of the casing is greater than a predetermined value, and an ultraviolet LED, the casing is stuck on the adhesive card board, and the adhesive card The board is bonded to the toilet cover, the photoresistor and the ultraviolet LED are installed on the lower surface of the casing, and the controller is respectively connected with the photoresistor, the angle sensing switch, and the ultraviolet LED, and the angle sensing switch is connected In connection with the housing, the controller activates the ultraviolet LED when receiving the first control signal and the second control signal.

Preferably, a U-shaped card slot is provided on the adhesive card board, and the housing is detachably installed in the U-shaped card slot.

Preferably, the casing includes an upper casing and a lower casing that are connected to each other.

Preferably, the bonding card board is bonded to the toilet cover by double-sided 3M adhesive.

Preferably, the ultraviolet LEDs include UVC deep ultraviolet LEDs and UVA ultraviolet LEDs.

Preferably, the toilet deodorizing and sterilizing device further includes a charging interface, a charging and discharging management chip and a battery, the charging interface is connected to the battery through the charging and discharging management chip, and the battery is connected to the power supply of the controller. pin connection.

Preferably, the toilet deodorizing and sterilizing device further comprises a manual button connected to the first input pin of the controller, and the controller lights the ultraviolet LED when detecting that the manual button is pressed.

Preferably, the battery is connected to the ultraviolet LED through a booster constant current chip, and the controller is connected to a control pin of the booster constant current chip.

Preferably, the angle sensing switch is a ball type switch.

Due to the adoption of the above technical solution, the utility model can turn on the ultraviolet LED by detecting the state of the toilet lid, thereby irradiating the surface of the object, killing various bacteria, viruses, parasites, and other pathogens directly and decomposing the odor molecules, so as to achieve sterilization. , disinfection, deodorization effect, strong practicability.

Description of drawings

Fig. 1 schematically shows the front view of the present utility model;

FIG. 2 schematically shows a schematic diagram of bonding a card board;

Figure 3 schematically shows a rear view of the adhesive card;

FIG. 4 schematically shows the first structural diagram of the housing;

FIG. 5 schematically shows the second structural diagram of the housing;

Figure 6 schematically shows a schematic view of the upper casing;

Figure 7 schematically shows a schematic view of the lower casing;

Fig. 8 schematically shows the peripheral circuit schematic diagram of the controller;

FIG. 9 schematically shows a circuit schematic diagram of the charging interface;

FIG. 10 schematically shows the circuit schematic diagram of the charge and discharge management chip;

FIG. 11 schematically shows a schematic diagram of an ultraviolet LED driving circuit.

Figure 12 schematically shows a schematic diagram of a photoresistor circuit.

FIG. 13 schematically shows the driving principle of the angle sensing switch.

Reference symbols in the figure: 1. Adhesive card board; 2. Photoresistor; 3. Angle sensor switch; 4. Ultraviolet LED; 5. Upper casing; 6. Lower casing; 7. Charging interface; 8. Double-sided 3M glue.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

In view of the deficiencies of the prior art, the utility model provides a toilet deodorization and sterilization device to solve the problem of toilet sterilization and deodorization, without replacing the toilet, directly sticking the product on the toilet cover to achieve the effect of sterilization, disinfection and deodorization.

The toilet deodorizing and sterilizing device in the utility model includes: a casing, an adhesive card board 1, a controller U4, a photoresistor 2 for generating a first control signal when light is detected, and a photoresistor 2 for generating a first control signal when detecting the light When the angle of the casing is greater than a predetermined value, the angle sensing switch 3 and the ultraviolet LED 4 that generate the second control signal, the casing is stuck on the adhesive card 1, and the adhesive card 1 is bonded to the toilet lid , the photoresistor 2 and the ultraviolet LED4 are all installed on the lower surface of the casing, and the controller U4 is respectively connected with the photoresistor 2, the angle sensing switch 3, and the ultraviolet LED4, and the angle sensing switch 3 is connected with the The housing is connected.

The controller U4 activates the ultraviolet LED4 when receiving the first control signal and the second control signal, so that the photoresistor and the angle sensing switch are simultaneously in the absence of sunlight and when the angle is 170-180 degrees (ie level), the system will start up. Because the utility model adopts the photoresistor and the angle sensing switch to control at the same time, when the light is darker at night, it can avoid the problem that when only the photoresistor is used, the LED will still be mistakenly illuminated when the toilet lid is opened. The LED is not turned on until the toilet lid is at a horizontal 180 degree angle and the photoresistor does not detect light, otherwise the LED is turned off, thus improving safety.

Preferably, the adhesive card board 1 is provided with a U-shaped card slot, and the housing is detachably installed in the U-shaped card slot to facilitate removal or installation.

Preferably, the casing comprises an upper casing 5 and a lower casing 6 which are connected to each other. Preferably, the bonding card 1 is bonded to the toilet lid by double-sided 3M adhesive 8 . During installation, the adhesive card plate 1 is bonded to the toilet cover by the double-sided 3M adhesive 8 on the adhesive card plate 1 , and the casing is inserted into the U-shaped slot of the adhesive card plate 1 .

In use, when the user closes the toilet lid, the photoresistor 2 does not detect light and generates the first control signal; when the user closes the toilet lid to a predetermined angle, the angle sensing switch 3 generates the second control signal Then, the first control signal and the second control signal are sent to the controller U4, and the controller U4 turns on the ultraviolet LED4 for sterilization and disinfection after receiving the first control signal and the second control signal. On the contrary, when the toilet lid is opened, the photoresistor 2 detects the light to generate the first light-off signal, or when the toilet lid is opened to a predetermined angle, the angle-sensing switch 3 generates the second light-off signal, and the controller U4 according to this Two light off signals turn off the UV LED4 for normal use by the user.

Due to the adoption of the above technical solution, the utility model can turn on the ultraviolet LED by detecting the state of the toilet lid, thereby irradiating the surface of the object, killing various bacteria, viruses, parasites, and other pathogens directly and decomposing the odor molecules, so as to achieve sterilization. , disinfection, deodorization effect, strong practicability.

Preferably, the ultraviolet LEDs 4 include UVC deep ultraviolet LEDs and UVA ultraviolet LEDs, and the present invention uses these two ultraviolet LEDs in combination to improve the sterilization effect. Among them, the wavelength of UVC deep ultraviolet LED is 240-280nm, and the wavelength of UVA ultraviolet LED is 320-410nm.

Preferably, the toilet deodorizing and sterilizing device further includes a charging interface 7, a charging and discharging management chip U3 and a battery BAT1, the charging interface 7 is connected to the battery BAT1 through the charging and discharging management chip U3, and the battery BAT1 is connected to the battery BAT1. The power pin of the controller U4 is connected. When in use, input 5V to pin 4 of U3 through the charging interface 7 of J2, charge the battery through pin 1 LX, and pin 6 of U3 LED2 sends a signal to the controller U4, and the controller U4 reads the signal from U3 to LED7. Charging (red light) or fully charged (green light), INDET determines whether it is an internal battery or an external power supply by reading whether the USB power supply is plugged in.

Preferably, the toilet deodorizing and sterilizing device further includes a manual button K1, which is connected to the first input pin of the controller U4, and the controller U4 lights up when it detects that the manual button K1 is pressed. Described UV LED4. When the manual button K1 is pressed, the controller U4 controls the boost constant current chips U1 and U2 to turn on the boost constant current chips through EN1 and EN2, so as to light up the UVC lamps of LED1-LED6 and LED10 to achieve the purpose of sterilization and deodorization. Among them, LED7/LED8 is the indicator light of the working state.

Preferably, the battery BAT1 is connected to the ultraviolet LED 4 through a boost constant current chip, and the controller U4 is connected to a control pin of the boost constant current chip. The boost constant current chips U1 and U2 boost the 3.7V voltage of the battery to 5V-8V, and drive LED1-LED6 and LED10 to emit ultraviolet rays for sterilization.

Preferably, the angle sensing switch 3 is a ball type switch, for example, a model that can be activated only when the angle is about 170-180 degrees can be selected, and the other angles are in a shutdown state. The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A toilet bowl deodorization and sterilization device is characterized by comprising: a shell, an adhesive clamping plate (1), a controller (U4), a photoresistor (2) used for generating a first control signal when detecting light, an angle sensing switch (3) used for generating a second control signal when detecting that the angle of the shell is larger than a preset value, and an ultraviolet LED (4), the shell is clamped on the adhesive clamping plate (1), the adhesive clamping plate (1) is adhered with the toilet lid, the photoresistor (2) and the ultraviolet LED (4) are both arranged on the lower surface of the shell, the controller (U4) is respectively connected with the photosensitive resistor (2), the angle sensing switch (3) and the ultraviolet LED (4), the angle induction switch (3) is connected with the shell, and the controller (U4) starts the ultraviolet LED (4) when receiving the first control signal and the second control signal.

2. A toilet bowl deodorizing and sterilizing device according to claim 1, wherein said adhesive card (1) is provided with a U-shaped slot in which said housing is detachably mounted.

3. A toilet deodorising and sanitising device according to claim 1, characterised in that the housing comprises an upper housing (5) and a lower housing (6) which are connected to each other.

4. A toilet deodorising and sanitising device according to claim 1, characterised in that the adhesive clip (1) is adhered to the lid by means of a double-sided 3M glue (8).

5. The toilet deodorization and sterilization apparatus as claimed in claim 1, wherein the ultraviolet LED (4) comprises UVC deep ultraviolet LED and UVA ultraviolet LED.

6. The toilet deodorization and sterilization device according to claim 1, further comprising a charging interface (7), a charging and discharging management chip (U3) and a battery (BAT1), wherein the charging interface (7) is connected with the battery (BAT1) through the charging and discharging management chip (U3), and the battery (BAT1) is connected with a power pin of the controller (U4).

7. The toilet deodorization and sterilization apparatus as claimed in claim 6, further comprising a manual button (K1) connected to the first input pin of the controller (U4), wherein the controller (U4) lights the ultraviolet LED (4) when detecting that the manual button (K1) is pressed.

8. A toilet bowl deodorization and sterilization device as claimed in claim 6, wherein the battery (BAT1) is connected with the ultraviolet LED (4) through a boosting constant current chip, and the controller (U4) is connected with a control pin of the boosting constant current chip.

9. A toilet bowl deodorising and sterilising device according to claim 1, characterised in that the angle sensitive switch (3) is a ball type switch.

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