CN112283837B - Enhanced deodorization type photocatalytic fresh air system for toilet - Google Patents

Enhanced deodorization type photocatalytic fresh air system for toilet Download PDF

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CN112283837B
CN112283837B CN201910622873.9A CN201910622873A CN112283837B CN 112283837 B CN112283837 B CN 112283837B CN 201910622873 A CN201910622873 A CN 201910622873A CN 112283837 B CN112283837 B CN 112283837B
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cavity
resistor
photocatalytic
monitoring module
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CN112283837A (en
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赵志伟
周晓林
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Lion Trunk Beijing Technology Co ltd
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Lion Trunk Beijing Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultra-violet radiation
    • A61L9/205—Ultra-violet radiation using a photocatalyst or photosensitiser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants

Abstract

The invention discloses an enhanced deodorization type photocatalytic fresh air system for a toilet, which comprises: the internal circulation system comprises a left air inlet hole, a left filter cavity, a left photocatalytic cavity, a left air guide cavity and an upper air outlet hole, one end of the left air inlet hole is connected with the left filter cavity, the other end, away from the left air inlet hole, of the left filter cavity is connected with the left photocatalytic cavity, the other end, away from the left filter cavity, of the left photocatalytic cavity is connected with the left air guide cavity, and the other end, away from the left photocatalytic cavity, of the left air guide cavity is connected with the upper air outlet hole; a first filter screen, a first monitoring module and a second filter screen are arranged in the left filter cavity; a plurality of left photocatalytic purification materials and left light sources are arranged in the left photocatalytic cavity; and a left centrifugal fan and a second monitoring module are arranged in the left air guide cavity. This reinforcing deodorization type photocatalysis new trend system has strong deodorization through setting up inner circulating system, outer circulating system and humidity control mechanism, degrades poisonous and harmful gaseous pollutants and disinfect sterile effect, can carry out the humidification to the public health room, can moist air.

Description

Enhanced deodorization type photocatalytic fresh air system for toilet
Technical Field
The invention relates to the technical field of air purification, in particular to an enhanced deodorization type photocatalytic fresh air system for a toilet.
Background
The prior fresh air system of the toilet mostly causes a certain positive pressure or negative pressure state in the toilet through the fresh air system, and the aim of deodorizing the toilet is fulfilled by a method of replacing air pollution of the toilet with indoor fresh air. Some fresh air systems adopt activated carbon, molecular sieves or other physical adsorption test materials to achieve the purposes of adsorbing polluted gas and deodorizing, but because the adsorption material is in an adsorption saturation state and mostly does not have a monitoring function, the replacement is often not timely; in addition, adsorption using an adsorbing material such as activated carbon requires frequent replacement, which also causes great resource waste and economic burden.
Disclosure of Invention
The invention aims to provide an enhanced deodorization type photocatalytic fresh air system for a toilet, which is used for solving the defects of the prior art.
The invention also aims to provide an enhanced deodorization type photocatalytic fresh air system for a toilet, which can be used in public toilets and household toilets and has the functions of strong deodorization, toxic and harmful pollutant gas degradation and sterilization.
In order to achieve the above object, the present invention provides an enhanced deodorization type photocatalytic fresh air system for a toilet, comprising:
the air purifier comprises a left air inlet hole, a left filter cavity, a left photocatalytic cavity, a left air guide cavity and an upper air outlet hole, wherein one end of the left air inlet hole is connected with the left filter cavity, the other end, far away from the left air inlet hole, of the left filter cavity is connected with the left photocatalytic cavity, the other end, far away from the left filter cavity, of the left photocatalytic cavity is connected with the left air guide cavity, and the other end, far away from the left photocatalytic cavity, of the left air guide cavity is connected with the upper air outlet hole; a first filter screen, a first monitoring module and a second filter screen are arranged in the left filter cavity; a plurality of left photocatalytic purification materials and left light sources are arranged in the left photocatalytic cavity; a left centrifugal fan and a second monitoring module are arranged in the left air guide cavity;
the novel air conditioner comprises a fresh air case, wherein a left cavity, a right cavity and a rear cavity are arranged in the fresh air case, a left air inlet hole is formed in the lower portion of the fresh air case and communicated with the left cavity, a left filter cavity, a left photocatalysis cavity and a left air guide cavity are sequentially arranged in the left cavity from top to bottom, an upper air outlet hole is formed in the top of the fresh air case and communicated with the left cavity, an external circulation system is arranged in the right cavity, a humidity adjusting mechanism is arranged in the rear cavity, and an alarm system is further arranged at the top of the fresh air case.
Preferably, the external circulation system comprises a right air outlet hole, a right filter cavity, a right photocatalytic cavity, a right air guide cavity and a right air inlet hole, the right air outlet hole is arranged at the lower part of the fresh air casing and communicated with the right cavity, the right air inlet hole is arranged at the upper part of the fresh air casing and communicated with the right cavity, and the right filter cavity, the right photocatalytic cavity and the right air guide cavity are sequentially arranged in the right cavity from top to bottom and are positioned between the right air inlet hole and the right air outlet hole; a third filter screen, a third monitoring module and a fourth filter screen are arranged in the right filter cavity, a plurality of right photocatalytic purification materials and right light sources are arranged in the right photocatalytic cavity, and a right centrifugal fan and a fourth monitoring module are arranged in the right air guide cavity; the right air outlet is connected with a check valve which is communicated with the outside through a telescopic pipe.
Preferably, the humidity adjusting mechanism comprises a humidity sensor arranged at the top of the fresh air case, a water supply tank arranged in the left cavity, an atomizer arranged in the water supply tank, and a first pipe with a lower end located in the water supply tank and connected with the atomizer, wherein the upper end of the first pipe is connected with the lower end of a second pipe at the top of the fresh air case, and a humidity adjusting head is arranged at the upper end of the second pipe;
the humidity adjusting head comprises a first nozzle body and a second nozzle body arranged on one side of the first nozzle body, a first through hole is formed between the first nozzle body and the second nozzle body, an inner pipe connected with the upper end of a second pipe is arranged at the bottom of the first nozzle body, a ball body is arranged in the first nozzle body, and the ball body moves on one side of the inner pipe and the first through hole in the first nozzle body;
one side that the second mouth body was kept away from first mouth body is provided with the second through-hole, the lateral wall that in the second mouth body with the second through-hole corresponds is provided with first diaphragm, the lateral wall that in the second mouth body with the first through-hole corresponds is provided with two second diaphragms, first diaphragm is kept away from the one end of second through-hole extends to two between the second diaphragm.
Preferably, wherein a control panel is arranged at the top of the fresh air casing, a display screen and a key module are arranged on the control panel, a microprocessor is arranged at the bottom of the control panel, and the display screen, the key module, the fog generator, the first monitoring module, the left light source, the left centrifugal fan, the second monitoring module, the humidity sensor, the third monitoring module, the right light source, the right centrifugal fan and the fourth monitoring module are electrically connected with the microprocessor.
Preferably, the first filter screen and the third filter screen are both HEPA filter screens or bamboo fiber filter screens; the second filter screen and the fourth filter screen are made of one of a HEPA filter screen, a bamboo fiber filter screen or a glass fiber filter screen, and porous structure parts are arranged between the second filter screen and the fourth filter screen; the porous structure part is made of porous foam cotton, the thickness of the porous structure part is 3-50 mm, and the second filter screen, the fourth filter screen and the porous structure part are subjected to dipping and spraying treatment of active biomass.
Preferably, wherein the first monitoring module comprises a first ammonia sensor, a first thiol sensor, a first thioether sensor and a first PM2.5 monitoring module; the second monitoring module comprises a second ammonia sensor, a second mercaptan sensor, a second disulfide sensor and a left light intensity detection module, and the left light intensity detection module is arranged in the left photocatalytic cavity and close to the left light source; the third monitoring module comprises a third ammonia sensor, a third mercaptan sensor, a third thioether sensor and a second PM2.5 monitoring module; the fourth monitoring module comprises a fourth ammonia sensor, a fourth mercaptan sensor, a fourth thioether sensor and a right light intensity detection module, and the right light intensity detection module is arranged in the right photocatalytic cavity and close to the right light source.
Preferably, wherein, alarm system includes alarm BJQ, level sensor and wireless communication module, alarm BJQ sets up the top of new trend casing, level sensor sets up in the feed water tank, the wireless through hole module sets up control panel's bottom, level sensor's output with microprocessor's input electricity is connected, microprocessor's output with alarm BJQ wireless communication module's input electricity is connected, wireless communication module is connected with remote monitoring terminal, handheld monitoring terminal electricity.
Preferably, the microprocessor is electrically connected with the alarm BJQ through a control circuit;
the control circuit comprises an NPN bipolar transistor Q1, an NPN bipolar transistor Q2, an NPN bipolar transistor Q3, an NPN bipolar transistor Q4, an NPN bipolar transistor Q5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, an inductor L and a capacitor C;
a collector of the NPN bipolar transistor Q1 is electrically connected to the inductor L and one end of the resistor R1, a base of the NPN bipolar transistor Q1 is electrically connected to one end of the resistor R3, one end of the resistor R3 is electrically connected to an emitter of the first NPN bipolar transistor Q1 through the resistor R4 and is connected to a ground GND, the other end of the inductor L is electrically connected to a power input terminal VDD, and the other end of the resistor R3 is electrically connected to a first interface terminal J1 of the microprocessor;
a collector of the NPN bipolar transistor Q2 is electrically connected to the other end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C, the other end of the capacitor C is connected to a ground GND, a base of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R2, the other end of the resistor R2 is electrically connected to the second interface J2 of the microprocessor, an emitter of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R5 and the third interface J3 of the microprocessor, and the other end of the resistor R5 is connected to the ground GND;
a base electrode of the NPN bipolar transistor Q3 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with the other end of the capacitor C, a collector electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the resistor R6 and one end of the alarm BJQ, and an emitter electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the alarm BJQ;
a collector of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R6 and a base of the NPN bipolar transistor Q2, a base of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R7, the other end of the resistor R7 is electrically connected to a fourth interface terminal J4 of the microprocessor and one end of the resistor R8, and an emitter of the NPN bipolar transistor Q4 is connected to a ground GND;
the collector of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q2, the base of the NPN bipolar transistor Q5 is electrically connected to the other end of the resistor R8, and the emitter of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q4 and connected to the ground GND.
Compared with the prior art, the invention at least comprises the following beneficial effects:
preferentially, wherein, left side centrifugal fan can be according to the environment and left side centrifugal fan is from the difference of attribute and ability intelligent regulation left side centrifugal fan's rotational speed to accomplish the rotational speed can be the best accords with current environment, can satisfy reinforcing deodorization, under the circumstances of purifying the environment, can also fine accomplish energy-conserving effect, wherein the concrete step of adjusting is as follows:
step S1: obtaining values monitored by the first monitoring module and the second monitoring module, and substituting the values into a formula (1) to obtain an environmental deterioration condition score;
Figure BDA0002126051070000041
wherein, F1For the obtained environmental deterioration score, max () is the maximum value in parentheses, min () is the minimum value in parentheses, AQ1 is the concentration of ammonia gas monitored by the first monitoring module, AQ2 is the concentration of ammonia gas monitored by the second monitoring module, LC1 is the concentration of thiol monitored by the first monitoring module, LC2 is the concentration of thiol monitored by the second monitoring module, MC1 is the concentration of thioether monitored by the first monitoring module, MC2 is the concentration of thioether monitored by the second monitoring module, PM is the concentration of PM2.5 monitored by the first monitoring module, and LU is the illumination intensity monitored by the second monitoring module, wherein all concentrations are in mg/m3The unit of the illumination intensity is LUX;
step S2: calculating the self-adjusting coefficient of the left centrifugal fan by using a formula (2);
Figure BDA0002126051070000051
wherein, F2 is for solving gained adjustment coefficient, pi is the circumference ratio and gives, HD1 does first filter screen thickness, HD2 do second filter screen thickness, T do left side centrifugal fan 'S temperature, GZ do public health' S air humidity, S1 do go up the exhaust vent cross-sectional area, S2 do left side inlet cross-sectional area, arccot are inverse trigonometric function cotangent value, arctan is inverse trigonometric function tangent value, e is the natural constant, just HD1, HD2 'S unit is mm, and T' S unit is degree centigrade, GZ 'S unit percentage, and S1 and S2' S unit is m2；
Step S3, substituting the environmental deterioration condition score F1 and the self-adjusting coefficient F2 of the left centrifugal fan into a formula (3) to obtain the final rotating speed;
Figure BDA0002126051070000052
and rt is the finally obtained rotating speed, sign () is a sign function, but the value in parentheses is greater than zero and has a time value of 1, the time value equal to 0 is 0, the time value less than 0 is-1, MAzs is the highest rotating speed of the left centrifugal fan, and the rotating speed of the left centrifugal fan can be intelligently adjusted according to the solved rt.
1. A first filter screen, a first monitoring module and a second filter screen are arranged in a left filter cavity in the enhanced deodorization type photocatalytic fresh air system for the toilet, a plurality of left photocatalytic purification materials and a left light source are arranged in the left photocatalytic cavity, and a left centrifugal fan and a second monitoring module are arranged in a left air guide cavity; the method comprises the following steps of removing polluted gas and odor by means of filter screen catalytic oxidation through structures such as a first dust filtering screen, a second filter screen, a left photocatalytic purification material and a left light source, and replacing a physical adsorption mode of active carbon and molecular sieves on the polluted gas and the odor; the enhanced deodorization type photocatalytic fresh air system for the toilet has the functions of strong deodorization, degradation of toxic and harmful polluted gases, sterilization and disinfection.
Other advantages, objects, and features of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the present invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the structure of the enhanced deodorization type photocatalytic fresh air system for the toilet of the present invention.
Fig. 2 is a left side view of the structure of the enhanced deodorization type photocatalytic fresh air system for the toilet according to the present invention.
Fig. 3 is a schematic structural diagram of a humidity adjusting head in the enhanced deodorization type photocatalytic fresh air system for the toilet.
Fig. 4 is a schematic structural diagram of a second filter screen in the enhanced deodorization type photocatalytic fresh air system for the toilet.
Fig. 5 is a schematic structural diagram of a fourth filter screen in the enhanced deodorization type photocatalytic fresh air system for the toilet of the invention.
FIG. 6 is a control schematic block diagram of the enhanced deodorization type photocatalytic fresh air system for the toilet of the present invention.
FIG. 7 is a schematic connection diagram of a control circuit in the enhanced deodorization type photocatalytic fresh air system for the toilet according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 7, the present invention provides an enhanced deodorization type photocatalytic fresh air system for toilets, comprising:
the air purifier comprises a left air inlet hole 1, a left filter cavity 2, a left photocatalytic cavity 3, a left air guide cavity 4 and an upper air outlet hole 5, wherein one end of the left air inlet hole 1 is connected with the left filter cavity 2, the other end, far away from the left air inlet hole 1, of the left filter cavity 2 is connected with the left photocatalytic cavity 3, the other end, far away from the left filter cavity 2, of the left photocatalytic cavity 3 is connected with the left air guide cavity 4, the other end, far away from the left photocatalytic cavity 3, of the left air guide cavity 4 is connected with the upper air outlet hole 5, and a first filter screen 6, a first monitoring module 7 and a second filter screen 8 are arranged in the left filter cavity 2; a plurality of left photocatalytic purification materials 10 and a left light source 11 are arranged in the left photocatalytic cavity 3, and a left centrifugal fan 12 and a second monitoring module 13 are arranged in the left air guide cavity 4;
the fresh air fan comprises a fresh air fan shell 14, wherein a left cavity 141, a right cavity 142 and a rear cavity 143 are arranged in the fresh air fan shell 14, a left air inlet hole 1 is formed in the lower portion of the fresh air fan shell 14 and communicated with the left cavity 141, a left filter cavity 2, a left photocatalytic cavity 3 and a left air guide cavity 4 are sequentially arranged in the left cavity 141 from top to bottom, an upper air outlet hole 5 is formed in the top of the fresh air fan shell 14 and communicated with the left cavity 141, an external circulation system is arranged in the right cavity 142, a humidity adjusting mechanism is arranged in the rear cavity 143, and an alarm system is further arranged at the top of the fresh air fan shell 14.
Wherein, a first dustproof net 28 is arranged in the left air inlet hole 1, and a second dustproof net 29 is arranged in the upper air outlet hole 5;
a left horizontal screen plate for supporting a left light source 11 and a plurality of left photocatalytic purification materials 10 is arranged in the left photocatalytic cavity 3, and the plurality of left photocatalytic purification materials 10 are arranged around the left light source 11.
The working principle of the technical scheme is as follows: when the manager uses the internal circulation system, the left centrifugal fan 12, the first monitoring module 7 and the second monitoring module 13 are started, the left light source 11 and the left centrifugal fan 12 rotate, the pressure below the left centrifugal fan 12 is smaller than the pressure above the left centrifugal fan, polluted air in a public washroom enters the left filtering cavity from the left air inlet hole, and is subjected to primary filtering by the first filter screen 6 and medium-high efficiency filtering by the second filter screen 7 in the left filtering cavity, the filtered air enters the left photocatalytic cavity 3, the left light source 11 can be one or more of a single-wavelength or multi-wavelength ultraviolet lamp, a single-wavelength or multi-wavelength ultraviolet lamp bead, an LED lamp and a fluorescent lamp, the left photocatalytic purification material 10 is one or more of a glass tube, a glass bead, a glass fiber, a honeycomb metal net and a foam metal net, and the photocatalytic coating can be modified TiO in the prior art.2The catalyst can be suitable for the various left light sources 11, and the application range is wide;
the light source 62 emits light to activate the modified TiO on the photocatalytic purification material 632The catalyst is used for cracking, breaking, oxidizing and decomposing toxic and harmful chemical molecular chains in the polluted air, decomposing macromolecular chains into nontoxic and harmless micromolecules, and completely decomposing and oxidizing harmful substances in the gas into carbon dioxide, water and other inorganic micromolecule substances, so that the deodorization and purification of the polluted air in the public washroom are completed; the first monitoring module 7 monitors relevant values in the polluted air, and the second monitoring module 13 monitors relevant values in the filtered and purified fresh air.
The fresh air machine shell 14 is internally provided with a left cavity 141, a right cavity 142 and a rear cavity 143, the left filter cavity 2, the left photocatalytic cavity 3 and the left air guide cavity 4 are sequentially arranged in the left cavity 141 from top to bottom, the right cavity 142 is internally provided with an external circulation system, the rear cavity 143 is internally provided with a humidity adjusting mechanism, and the top of the fresh air machine shell 14 is also provided with an alarm system.
The beneficial effects of the above technical scheme are that: the method comprises the steps that polluted gas and odor are removed in a filter screen catalytic oxidation mode through the structures such as a first dust filtering screen 6, a second filter screen 8, a left photocatalytic purification material 10 and a left light source 11, the physical adsorption mode of active carbon and molecular sieves on the polluted gas and the odor is replaced, a first monitoring module 7 monitors relevant numerical values in the polluted air, and a second monitoring module 13 monitors relevant numerical values in fresh air purified through filtration; through the design of the fresh air casing 14, a manager can conveniently install the enhanced deodorization type photocatalytic fresh air system for the toilet in the public toilet; the enhanced deodorization type photocatalytic fresh air system for the toilet has the functions of strong deodorization, degradation of toxic and harmful polluted gases, sterilization and disinfection; the humidity adjusting mechanism can humidify the air in the public washroom and keep the humidity in the air.
In one embodiment, the external circulation system includes a right air outlet 41, a right filter chamber 42, a right photocatalytic chamber 43, a right air guiding chamber 44 and a right air inlet 45, the right air outlet 41 is disposed at the lower portion of the fresh air casing 14 and is communicated with the right cavity 142, the right air inlet 45 is disposed at the upper portion of the fresh air casing 14 and is communicated with the right cavity 142, and the right filter chamber 42, the right photocatalytic chamber 43 and the right air guiding chamber 44 are sequentially disposed in the right cavity 142 from top to bottom and are located between the right air inlet 45 and the right air outlet 41; a third filter screen 46, a third monitoring module 47 and a fourth filter screen 48 are arranged in the right filter cavity 42, a plurality of right photocatalytic purification materials 49 and a right light source 50 are arranged in the right photocatalytic cavity 43, and a right centrifugal fan 51 and a fourth monitoring module 52 are arranged in the right air guide cavity 44; the right air outlet 41 is connected with a check valve (not shown) which is communicated with the outside through a telescopic pipe.
Wherein, a third dust-proof net 53 is arranged in the right air outlet 41, and a fourth dust-proof net 54 is arranged in the right air inlet 45;
the right photocatalytic cavity 43 is internally provided with a right flat screen plate for supporting a plurality of right photocatalytic purification materials 49 and a right light source 50, and the plurality of right photocatalytic purification materials 49 are arranged around the right light source 50.
The working principle of the technical scheme is as follows: when a manager uses the external circulation system, the check valve is opened, and the working principle of the external circulation system is the same as that of the internal circulation system; the outer circulation system sucks polluted air from the upper right air inlet 45 into the right cavity 142 for filtering and purifying treatment, discharges the filtered air from the lower right air outlet 41 to the outside of the public washroom, and meets the discharge standard.
The beneficial effects of the above technical scheme are that: through the design of the external circulation system, the polluted air in the public washroom is discharged to the outside after being purified by the external circulation system, and meets the emission standard.
In one embodiment, the humidity adjusting mechanism comprises a humidity sensor 30 disposed at the top of the fresh air case 14, a water supply tank 15 disposed in the left cavity 142, an atomizer 16 disposed in the water supply tank 15, and a first pipe 17 having a lower end located in the water supply tank 15 and connected to the atomizer 16, wherein the upper end of the first pipe 17 is connected to the lower end of a second pipe 18 disposed at the top of the fresh air case 14, and a humidity adjusting head 19 disposed at the upper end of the second pipe 18;
the humidity adjusting head 19 comprises a first nozzle body 191 and a second nozzle body 192 arranged on one side of the first nozzle body 191, a first through hole 193 is arranged between the first nozzle body 191 and the second nozzle body 192, an inner pipe 194 connected with the upper end of the second pipe 18 is arranged at the bottom of the first nozzle body 191, a sphere 195 is arranged in the first nozzle body 191, and the sphere 195 moves on one side of the inner pipe 194 and the first through hole 193 in the first nozzle body 191;
a second through hole 196 is formed in one side, away from the first nozzle body 191, of the second nozzle body 192, a first transverse plate 197 is arranged on a side wall, corresponding to the second through hole 196, in the second nozzle body 196, two second transverse plates 198 are arranged on a side wall, corresponding to the first through hole 193, in the second nozzle body 192, and one end, away from the second through hole 196, of the first transverse plate 197 extends between the two second transverse plates 198.
The working principle of the technical scheme is as follows: the humidity sensor 30 monitors the humidity in the public washroom, and the manager disperses the liquid into mist by activating the atomizer 16, wherein the principle of the atomizer is the same as that of the atomizer, and the mist is conveyed to the first nozzle body 191 through the first pipe 17 and the inner pipe 194, the ball 195 in the first nozzle body 191 is pushed up, and then enters the second nozzle body 192 through the first through hole 193, and then the mist sprayed from the second through hole 196 is ultramicroized through the interaction blocking between the second transverse plate 198 and the first transverse plate 197,
the beneficial effects of the above technical scheme are that: through the design of the humidity adjusting head 19, the humidification treatment in the public washroom is convenient.
In one embodiment, a control panel 20 is disposed on the top of the fresh air casing 14, a display screen 21 and a key module 22 are disposed on the control panel 20, a microprocessor 23 is disposed at the bottom of the control panel 20, and the display screen 21, the key module 22, the fog generator 16, the first monitoring module 7, the left light source 11, the left centrifugal fan 12, the second monitoring module 13, the humidity sensor 30, the third monitoring module 47, the right light source 50, the right centrifugal fan 51, and the fourth monitoring module 52 are all electrically connected to the microprocessor 23. Microprocessor 23 preferably uses STM32F 105.
The working principle of the technical scheme is as follows: the output ends of the key module 22, the first monitoring module 7, the second monitoring module 13, the humidity sensor 30, the third monitoring module 47 and the fourth monitoring module 52 are electrically connected with the input end of the microprocessor 23, and the output end of the microprocessor 23 is electrically connected with the input ends of the display screen 21, the mist generator 16, the left light source 11, the left centrifugal fan 12 and the right centrifugal fan 51; the administrator sets the relevant monitoring values of the first monitoring module 7, the second monitoring module 13, the third monitoring module 47 and the fourth monitoring module 52 through the key module, sets the rotating speeds of the left centrifugal fan 12 and the right centrifugal fan 51 through the key module, and displays the rotating speeds and the monitoring values on the display screen.
The beneficial effects of the above technical scheme are that: through the structural design, convenience is brought to managers for use.
In one embodiment, the first screen 6 and the third screen 46 are both HEPA screens or bamboo fiber screens; the second filter screen 8 and the fourth filter screen 48 are made of one of HEPA filter screens, bamboo fiber filter screens or glass fiber filter screens, and a porous structure part 24 is arranged between the second filter screen 8 and the fourth filter screen 48; the porous structure portion 24 is made of porous foam, the thickness of the porous structure portion is 3mm to 50mm, and the second filter 8, the fourth filter 48, and the porous structure portion 24 are subjected to dipping and spraying treatment of active biomass.
The working principle of the technical scheme is as follows: the first filter screen 6, the second filter screen 8, the third filter screen 46 and the fourth filter screen 48 remove particulate matters in the polluted air, as shown in fig. 4 and 5, the second filter screen 8 and the fourth filter screen 48 are of a double-layer structure, a porous structure portion 24 is wrapped between the double-layer second filter screen 8 and the double-layer fourth filter screen 48, the porous structure portion 24 is made of porous foam cotton, the second filter screen 8, the fourth filter screen 48 and the porous structure portion 24 are subjected to dipping and spraying treatment of active biomass, the active biomass is the prior art and is rich in active groups which react with common bathroom odor substances such as ammonia gas, mercaptan, thioether and the like.
The beneficial effects of the above technical scheme are that: through the structural design, the filter screen is used for filtering polluted air and removing the reaction of ammonia gas, mercaptan, thioether and other common toilet odor substances, so that on one hand, managers can conveniently use the internal circulation system to carry out internal purification treatment on the polluted air in the public washroom; on the other hand, the outer circulation system is convenient for managers to use the outer circulation system to purify the polluted air in the public washroom and then discharge the purified air to the outside.
In one embodiment, the first monitoring module 7 comprises a first ammonia sensor, a first thiol sensor, a first thioether sensor, and a first PM2.5 monitoring module; the second monitoring module 13 includes a second ammonia sensor, a second thiol sensor, a second disulfide sensor, and a left light intensity detection module, and the left light intensity detection module is disposed in the left photocatalytic cavity 3 and close to the left light source 11; the third monitoring module 47 includes a third ammonia sensor, a third thiol sensor, a third thioether sensor, and a second PM2.5 monitoring module; the fourth monitoring module 52 includes a fourth ammonia sensor, a fourth thiol sensor, a fourth thioether sensor, and a right light intensity detection module, which is disposed in the right photocatalytic cavity 43 and is close to the right light source 50.
The working principle of the technical scheme is as follows: the first monitoring module 7 comprises a first ammonia gas sensor, a first mercaptan sensor, a first thioether sensor and a PM2.5 monitoring module, ammonia gas, mercaptan, thioether and other common toilet odors in the polluted air filtered by the first filter screen 6 are monitored, when the first PM2.5 monitoring module monitors the PM2.5 numerical value, and a manager can remind the manager of replacing the first filter screen 6 when the PM2.5 numerical value displayed on a display screen reaches a certain value; the second monitoring module 13 comprises a second ammonia sensor, a second mercaptan sensor, a second disulfide sensor and a left light intensity detection module, and is used for monitoring ammonia gas, mercaptan, thioether and other common toilet odors in the polluted air filtered by the second filter screen 8, and when the numerical values monitored by the second monitoring module 13 and the first monitoring module 7 are not obviously different on the display screen, the alarm system reminds a manager that the second filter screen 8 can be replaced; when the left light intensity detection module monitors the left light source 11 and the ultraviolet irradiance is reduced by 40% -60%, the alarm system reminds the manager that the left light source 11 can be replaced.
Similarly, the working principle of the third monitoring module 47 and the fourth monitoring module 52 is the same as that of the first monitoring module 7 and the second monitoring module 13.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned mechanism, the contrast is monitored to common bathroom stink such as ammonia, mercaptan, thioether in the air of filtration purification to the convenience, and the managers of being convenient for changes relevant part.
In one embodiment, the alarm system includes an alarm BJQ, a water level sensor 25 and a wireless communication module 26, the alarm BJQ is disposed on the top of the fresh air casing 14, the water level sensor 25 is disposed in the water supply tank 15, the wireless communication module 26 is disposed on the bottom of the control panel 20, an output end of the water level sensor 25 is electrically connected to an input end of the microprocessor 23, an output end of the microprocessor 23 is electrically connected to the input ends of the alarm BJQ and the wireless communication module 26, and the wireless communication module 26 is electrically connected to the remote monitoring terminal 27 and the handheld monitoring terminal 9. The water level sensor 25 is preferably an ultrasonic water level sensor.
The working principle of the technical scheme is as follows: the water level sensor 25 monitors the water level in the water supply tank 15, when the water level value is smaller than a set value, the water level sensor 25 sends a signal to the microprocessor 23, and the microprocessor 23 starts an alarm BJQ to give an alarm to remind a manager to add water into the water supply tank 15; meanwhile, the microprocessor 23 controls the wireless through hole module 26 to send a signal to the remote monitoring terminal 27, and the remote monitoring terminal 27 sends a signal to the handheld monitoring terminal 9 near the enhanced deodorization type photocatalytic fresh air system for the toilet to remind a manager to add water into the water supply tank; the wireless via module 26 can also directly send a signal to the handheld monitoring terminal 9 of a nearby manager. Alarm BJQ also can remind the managers to change first filter screen 6, second filter screen 8 and left light source 11.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, make things convenient for managers to this bathroom with reinforcing deodorization type photocatalysis new trend system's use more.
In one embodiment, the microprocessor 23 is electrically connected to the alarm BJQ via a control circuit; the control circuit comprises an NPN bipolar transistor Q1, an NPN bipolar transistor Q2, an NPN bipolar transistor Q3, an NPN bipolar transistor Q4, an NPN bipolar transistor Q5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, an inductor L and a capacitor C;
a collector of the NPN bipolar transistor Q1 is electrically connected to the inductor L and one end of the resistor R1, a base of the NPN bipolar transistor Q1 is electrically connected to one end of the resistor R3, one end of the resistor R3 is electrically connected to an emitter of the first NPN bipolar transistor Q1 through the resistor R4 and is connected to a ground GND, the other end of the inductor L is electrically connected to a power input terminal VDD, and the other end of the resistor R3 is electrically connected to a first interface terminal J1 of the microprocessor 23;
a collector of the NPN bipolar transistor Q2 is electrically connected to the other end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C, the other end of the capacitor C is connected to a ground GND, a base of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R2, the other end of the resistor R2 is electrically connected to the second interface J2 of the microprocessor 23, an emitter of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R5 and the third interface J3 of the microprocessor 23, and the other end of the resistor R5 is connected to the ground GND;
a base electrode of the NPN bipolar transistor Q3 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with the other end of the capacitor C, a collector electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the resistor R6 and one end of the alarm BJQ, and an emitter electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the alarm BJQ;
a collector of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R6 and a base of the NPN bipolar transistor Q2, a base of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R7, another end of the resistor R7 is electrically connected to the fourth interface terminal J4 of the microprocessor 23 and one end of the resistor R8, and an emitter of the NPN bipolar transistor Q4 is connected to a ground GND;
the collector of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q2, the base of the NPN bipolar transistor Q5 is electrically connected to the other end of the resistor R8, and the emitter of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q4 and connected to the ground GND.
Has the advantages that: through the design of above-mentioned control circuit, but the work of effective control alarm BJQ, adaptability is good, simultaneously, only need use ordinary inductance and components and parts just can realize the functional control of circuit in this control circuit, and the cost is lower, and the current performance is stable.
In one embodiment, the left centrifugal fan 12 can intelligently adjust the rotation speed of the left centrifugal fan according to the environment and the difference of the own attributes of the left centrifugal fan, so that the rotation speed can best meet the current environment, and the energy-saving effect can be well achieved under the conditions of enhancing deodorization and purifying the environment, wherein the specific steps of adjustment are as follows:
step S1: obtaining values monitored by the first monitoring module and the second monitoring module, and substituting the values into a formula (1) to obtain an environmental deterioration condition score;
Figure BDA0002126051070000121
wherein F1 is the obtained environmental deterioration score, max () is the maximum value in the solving brackets, min () is the minimum value in the solving brackets, AQ1 is the concentration of ammonia gas monitored by the first monitoring module, AQ2 is the concentration of ammonia gas monitored by the second monitoring module, LC1 is the concentration of mercaptan monitored by the first monitoring module, LC2 is the concentration of mercaptan monitored by the second monitoring module, MC1 is the concentration of thioether monitored by the first monitoring module, MC2 is the concentration of thioether monitored by the second monitoring module, PM is the concentration of PM2.5 monitored by the first monitoring module, LU is the illumination intensity monitored by the second monitoring module, wherein all the concentrations are in mg/m3The unit of the illumination intensity is LUX;
step S2: calculating the self-adjusting coefficient of the left centrifugal fan 12 by using a formula (2);
Figure BDA0002126051070000131
wherein, F2 is the adjustment coefficient obtained for solving, pi is the circumference ratio pi, HD1 is the first filter screen thickness, HD2 is the second filter screen thickness, T isThe temperature of the left centrifugal fan, GZ is the air humidity of the public washroom, S1 is the cross sectional area of the upper air outlet, S2 is the cross sectional area of the left air inlet, arccot is the cotangent value of an inverse trigonometric function, arctan is the tangent value of the inverse trigonometric function, e is a natural constant, and the units of HD1 and HD2 are mm, T is centigrade, GZ is unit percentage, and S1 and S2 are m2；
Step S3, substituting the environmental deterioration condition score F1 and the self-adjusting coefficient F2 of the left centrifugal fan into a formula (3) to obtain the final rotating speed;
Figure BDA0002126051070000132
and rt is the finally obtained rotating speed, sign () is a sign function, but the value in parentheses is greater than zero and has a time value of 1, the time value equal to 0 is 0, the time value less than 0 is-1, MAzs is the highest rotating speed of the left centrifugal fan, and the rotating speed of the left centrifugal fan can be intelligently adjusted according to the solved rt.
Has the advantages that: utilize above-mentioned technique can intelligent control left side centrifugal fan's rotational speed, make the rotational speed can be the best accords with current environment, can satisfy reinforcing deodorization, under the circumstances of purifying the environment, the energy-conserving effect of accomplishing that can also be fine, just in-process not only considers the data that first monitoring module and second monitoring module monitored, still considered simultaneously left side centrifugal fan's the highest rotational speed, the temperature of left side centrifugal fan during operation, the humidity of the environment of locating to and the cross-sectional area of left fresh air inlet goes up the exhaust vent.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an enhanced deodorization type photocatalysis new trend system for bathroom which characterized in that includes:
an internal circulation system comprises a left air inlet hole (1), a left filter cavity (2), a left photocatalytic cavity (3), a left air guide cavity (4) and an upper air outlet hole (5), wherein one end of the left air inlet hole (1) is connected with the left filter cavity (2), the other end, far away from the left air inlet hole (1), of the left filter cavity (2) is connected with the left photocatalytic cavity (3), the other end, far away from the left filter cavity (2), of the left photocatalytic cavity (3) is connected with the left air guide cavity (4), the other end, far away from the left photocatalytic cavity (3), of the left air guide cavity (4) is connected with the upper air outlet hole (5), a first filter screen (6), a first monitoring module (7) and a second filter screen (8) are arranged in the left filter cavity (2), a plurality of left photocatalytic purification materials (10) and a left light source (11) are arranged in the left photocatalytic cavity (3), a left centrifugal fan (12) and a second monitoring module (13) are arranged in the left air guide cavity (4);
the fresh air fan comprises a fresh air casing (14), wherein a left cavity (141), a right cavity (142) and a rear cavity (143) are arranged in the fresh air casing (14), a left air inlet hole (1) is formed in the lower portion of the fresh air casing (14) and communicated with the left cavity (141), a left filter cavity (2), a left photocatalytic cavity (3) and a left air guide cavity (4) are sequentially arranged in the left cavity (141) from top to bottom, an upper air outlet hole (5) is formed in the top of the fresh air casing (14) and communicated with the left cavity (141), an external circulation system is arranged in the right cavity (142), a humidity adjusting mechanism is arranged in the rear cavity (143), and an alarm system is further arranged at the top of the fresh air casing (14);
the humidity adjusting mechanism comprises a humidity sensor (30) arranged at the top of the fresh air shell (14), a water supply tank (15) arranged in the rear cavity (143), a mist generator (16) arranged in the water supply tank (15) and a first pipe (17) with the lower end positioned in the water supply tank (15) and connected with the mist generator (16), the upper end of the first pipe (17) is connected with the lower end of a second pipe (18) at the top of the fresh air shell (14), and a humidity adjusting head (19) at the upper end of the second pipe (18);
the humidity adjusting head (19) comprises a first nozzle body (191) and a second nozzle body (192) arranged on one side of the first nozzle body (191), a first through hole (193) is formed between the first nozzle body (191) and the second nozzle body (192), an inner pipe (194) connected with the upper end of the second pipe (18) is arranged at the bottom of the first nozzle body (191), a ball body (195) is arranged in the first nozzle body (191), and the ball body (195) moves on one side of the inner pipe (194) and the first through hole (193) in the first nozzle body (191);
one side of the second nozzle body (192) far away from the first nozzle body (191) is provided with a second through hole (196), a first transverse plate (197) is arranged on the side wall, corresponding to the second through hole (196), in the second nozzle body (192), two second transverse plates (198) are arranged on the side wall, corresponding to the first through hole (193), in the second nozzle body, one end, far away from the second through hole (196), of the first transverse plate (197) extends to a position between the two second transverse plates (198).
2. The enhanced deodorization type photocatalytic fresh air system for the toilet according to claim 1, wherein the external circulation system comprises a right air outlet (41), a right filter chamber (42), a right photocatalytic chamber (43), a right air guide chamber (44) and a right air inlet (45), the right air outlet (41) is disposed at the lower part of the fresh air cabinet (14) and communicated with the right cavity (142), the right air inlet (45) is disposed at the upper part of the fresh air cabinet (14) and communicated with the right cavity (142), and the right filter chamber (42), the right photocatalytic chamber (43) and the right air guide chamber (44) are sequentially disposed in the right cavity (142) from top to bottom and located between the right air inlet (45) and the right air outlet (41);
a third filter screen (46), a third monitoring module (47) and a fourth filter screen (48) are arranged in the right filter cavity (42), a plurality of right photocatalytic purification materials (49) and right light sources (50) are arranged in the right photocatalytic cavity (43), and a right centrifugal fan (51) and a fourth monitoring module (52) are arranged in the right air guide cavity (44);
the right air outlet (41) is connected with a check valve, and the check valve is communicated with the outside through a telescopic pipe.
3. The enhanced deodorization type photocatalytic fresh air system for the toilet according to claim 2, wherein a control panel (20) is disposed on a top of the fresh air casing (14), a display screen (21) and a key module (22) are disposed on the control panel (20), a microprocessor (23) is disposed on a bottom of the control panel (20), and the display screen (21), the key module (22), the mist sprayer (16), the first monitoring module (7), the left light source (11), the left centrifugal fan (12), the second monitoring module (13), the humidity sensor (30), the third monitoring module (47), the right light source (50), the right centrifugal fan (51), and the fourth monitoring module (52) are electrically connected to the microprocessor (23).
4. The enhanced deodorization type photocatalytic fresh air system for the toilet according to claim 2, wherein the first filter screen (6) and the third filter screen (46) are HEPA filter screens or bamboo fiber filter screens;
the second filter screen (8) and the fourth filter screen (48) are made of one of HEPA filter screens, bamboo fiber filter screens or glass fiber filter screens, and porous structure parts (24) are arranged between the second filter screen (8) and the fourth filter screen (48);
the porous structure part (24) is made of porous foam cotton, the thickness of the porous structure part is 3-50 mm, and the second filter screen (8), the fourth filter screen (48) and the porous structure part (24) are subjected to dipping and spraying treatment of active biomass.
5. An enhanced deodorization type photocatalytic fresh air system for toilets according to claim 2, wherein the first monitoring module (7) comprises a first ammonia sensor, a first thiol sensor, a first thioether sensor and a first PM2.5 monitoring module;
the second monitoring module (13) comprises a second ammonia sensor, a second thiol sensor, a second disulfide sensor and a left light intensity detection module, and the left light intensity detection module is arranged in the left photocatalytic cavity (3) and close to the left light source (11);
the third monitoring module (47) comprises a third ammonia sensor, a third thiol sensor, a third thioether sensor and a second PM2.5 monitoring module;
the fourth monitoring module (52) comprises a fourth ammonia sensor, a fourth thiol sensor, a fourth thioether sensor and a right light intensity detection module, which is arranged in the right photocatalytic cavity (43) and close to the right light source (50).
6. The enhanced deodorization type photocatalytic fresh air system for the toilet according to claim 3, wherein the alarm system comprises an alarm (BJQ), a water level sensor (25) and a wireless communication module (26), the alarm (BJQ) is arranged at the top of the fresh air cabinet (14), the water level sensor (25) is arranged in the water supply tank (15), the wireless communication module (26) is arranged at the bottom of the control panel (20), the output end of the water level sensor (25) is electrically connected with the input end of the microprocessor (23), the output end of the microprocessor (23) is electrically connected with the input ends of the alarm (BJQ) and the wireless communication module (26), and the wireless communication module (26) is electrically connected with a remote monitoring terminal (27) and a handheld monitoring terminal (9).
7. An enhanced deodorization type photocatalytic fresh air system for toilets according to claim 6, wherein said microprocessor (23) is electrically connected to said alarm (BJQ) through a control circuit;
the control circuit comprises an NPN bipolar transistor Q1, an NPN bipolar transistor Q2, an NPN bipolar transistor Q3, an NPN bipolar transistor Q4, an NPN bipolar transistor Q5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, an inductor L and a capacitor C;
a collector of the NPN bipolar transistor Q1 is electrically connected to the inductor L and one end of the resistor R1, a base of the NPN bipolar transistor Q1 is electrically connected to one end of the resistor R3, one end of the resistor R3 is electrically connected to an emitter of the NPN bipolar transistor Q1 through the resistor R4 and is connected to a ground GND, the other end of the inductor L is electrically connected to a power input terminal VDD, and the other end of the resistor R3 is electrically connected to a first interface terminal J1 of the microprocessor (23);
a collector of the NPN bipolar transistor Q2 is electrically connected to the other end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C, the other end of the capacitor C is connected to a ground GND, a base of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R2, the other end of the resistor R2 is electrically connected to the second interface J2 of the microprocessor (23), an emitter of the NPN bipolar transistor Q2 is electrically connected to one end of the resistor R5 and the third interface J3 of the microprocessor (23), and the other end of the resistor R5 is connected to the ground GND;
a base electrode of the NPN bipolar transistor Q3 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with the other end of the capacitor C, a collector electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the resistor R6 and one end of the alarm (BJQ), and an emitter electrode of the NPN bipolar transistor Q2 is electrically connected with the other end of the alarm (BJQ);
a collector of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R6 and a base of the NPN bipolar transistor Q2, a base of the NPN bipolar transistor Q4 is electrically connected to one end of the resistor R7, the other end of the resistor R7 is electrically connected to a fourth interface terminal J4 of the microprocessor (23) and one end of the resistor R8, and an emitter of the NPN bipolar transistor Q4 is connected to a ground GND;
the collector of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q2, the base of the NPN bipolar transistor Q5 is electrically connected to the other end of the resistor R8, and the emitter of the NPN bipolar transistor Q5 is electrically connected to the emitter of the NPN bipolar transistor Q4 and connected to the ground GND.
8. The enhanced deodorization type photocatalytic fresh air system for the toilet according to claim 1, wherein the left centrifugal fan (12) can intelligently adjust the rotating speed of the left centrifugal fan according to different environments and own attributes of the left centrifugal fan, so that the rotating speed can best meet the current environment, and the energy-saving effect can be well achieved under the condition of satisfying enhanced deodorization and environment purification, wherein the specific steps of the adjustment are as follows:
step S1: obtaining values monitored by the first monitoring module and the second monitoring module, and substituting the values into a formula (1) to obtain an environmental deterioration condition score;
Figure FDA0003270026850000041
wherein, F1To obtainAn environmental deterioration score, max () is a maximum value in parentheses, min () is a minimum value in parentheses, AQ1 is a concentration of ammonia gas monitored by the first monitoring module, AQ2 is a concentration of ammonia gas monitored by the second monitoring module, LC1 is a concentration of thiol monitored by the first monitoring module, LC2 is a concentration of thiol monitored by the second monitoring module, MC1 is a concentration of thioether monitored by the first monitoring module, MC2 is a concentration of thioether monitored by the second monitoring module, PM is a concentration of PM2.5 monitored by the first monitoring module, and LU is an illumination intensity monitored by the second monitoring module, wherein all concentrations are in mg/m3The unit of the illumination intensity is LUX;
step S2: calculating the self-adjusting coefficient of the left centrifugal fan by using a formula (2);
Figure FDA0003270026850000051
wherein, F2 is for solving gained adjustment coefficient, and pi is the circumferential ratio and gives, and HD1 does first filter screen thickness, HD2 do second filter screen thickness, T do left side centrifugal fan 'S temperature, GZ are the air humidity of public health room, and S1 does go up the exhaust vent cross-sectional area, and S2 is left side fresh air inlet cross-sectional area, arccot are inverse trigonometric function cotangent value, and arctan is inverse trigonometric function tangent value, and e is the natural constant, just HD1, HD 2' S unit is mm, and the unit of T is the degree centigrade, the unit percentage of GZ, and the unit of S1 and S2 is m2；
Step S3, substituting the environmental deterioration condition score F1 and the self-adjusting coefficient F2 of the left centrifugal fan into a formula (3) to obtain the final rotating speed;
Figure FDA0003270026850000052
and rt is the finally obtained rotating speed, sign () is a sign function, but the value in parentheses is greater than zero and has a time value of 1, the time value equal to 0 is 0, the time value less than 0 is-1, MAzs is the highest rotating speed of the left centrifugal fan, and the rotating speed of the left centrifugal fan can be intelligently adjusted according to the solved rt.
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