阅读说明：本技术 一种用于风机盘管的杀毒除菌控制装置 (A virus killing degerming controlling means for fan coil ) 是由 廖鸣镝 熊晓峰 胡晓 陈东华 于 2020-04-26 设计创作，主要内容包括：本发明涉及一种用于风机盘管的杀毒除菌控制装置,包括紫外灯、温控面板,其特征在于：温控面板的输出端连接有控制电路,控制电路的输出端连接有紫外灯驱动回路、风机控制回路和水阀控制回路；温控面板中设有紫外灯开/关按键、温度升/降按键、湿度升/降按键和温度传感器,所述温度传感器的信号输出端电连接控制电路的一个信号输入端,形成温度反馈回路；紫外线灯驱动回路输入端、风机控制回路输入端、水阀控制回路输入端各电连接控制电路的一个信号输出端；控制电路通过紫外线灯驱动回路控制紫外灯的开或关,构成杀菌消毒控制结构。在风机盘管运行的同时杀灭室内空气中细菌及病毒。具有抑制细菌病毒扩散、防止交叉感染的特点。(The invention relates to a sterilization control device for a fan coil, which comprises an ultraviolet lamp and a temperature control panel, and is characterized in that: the output end of the temperature control panel is connected with a control circuit, and the output end of the control circuit is connected with an ultraviolet lamp driving loop, a fan control loop and a water valve control loop; an ultraviolet lamp on/off key, a temperature rise/fall key, a humidity rise/fall key and a temperature sensor are arranged in the temperature control panel, and a signal output end of the temperature sensor is electrically connected with a signal input end of the control circuit to form a temperature feedback loop; the input end of the ultraviolet lamp driving loop, the input end of the fan control loop and the input end of the water valve control loop are respectively and electrically connected with one signal output end of the control circuit; the control circuit controls the on or off of the ultraviolet lamp through the ultraviolet lamp driving loop to form a sterilization and disinfection control structure. The fan coil operates and simultaneously kills bacteria and viruses in indoor air. Has the characteristics of inhibiting the spread of bacteria and viruses and preventing cross infection.)

1. The utility model provides a disinfection and sterilization controlling means for fan-coil, includes ultraviolet lamp, control by temperature change panel (1) and power supply circuit (9), its characterized in that: the output end of the temperature control panel (1) is connected with a control circuit (2), the output end of the control circuit (2) is connected with an ultraviolet lamp driving loop (3), a fan control loop (4) and a water valve control loop (5), and the output end of the ultraviolet lamp driving loop (3) is connected with the control input end of an ultraviolet lamp; an ultraviolet lamp on/off key, a temperature rising/falling key, a humidity rising/falling key and a temperature sensor are arranged in the temperature control panel (1), and a signal output end of the temperature sensor is electrically connected with a signal input end of the control circuit (2) to form a temperature feedback loop; the signal output ends of the ultraviolet lamp on/off key, the temperature rising/falling key and the humidity rising/falling key are respectively and electrically connected with one signal input end of the control circuit (2), and the input ends of the ultraviolet lamp driving loop (3), the fan control loop (4) and the water valve control loop (5) are respectively and electrically connected with one signal output end of the control circuit (2); the control circuit (2) controls the on or off of the ultraviolet lamp through the ultraviolet lamp driving circuit (3) to form a sterilization and disinfection control structure.

2. A fan coil disinfection and sterilization control apparatus as claimed in claim 1, wherein: the output of control circuit (2) is connected with relay and electronic pressure regulating module component, and the IO port of this control circuit (2) is signal output part, signal output part passes through relay and electronic pressure regulating module and connects fan control circuit (4) signal input part and water valve control circuit's (5) signal input part to solenoid valve executor regulation water valve opening in the drive water valve control circuit (5) and the three-speed fan regulation wind speed in the drive fan control circuit (4).

3. A fan coil disinfection and sterilization control apparatus as claimed in claim 1 or 2, wherein: the control circuit (2) comprises a single chip microcomputer chip CPU, a voltage stabilizing circuit unit and a memory unit are arranged in the single chip microcomputer chip, the input end of the voltage stabilizing circuit unit is connected with an external power supply, the output end of the voltage stabilizing circuit unit is connected with the power supply end of the single chip microcomputer chip, and the memory unit is an information data memory of the control circuit (2).

4. A fan coil disinfection and sterilization control apparatus as claimed in claim 3, wherein: the single chip microcomputer chip CPU is a 51-core single chip microcomputer with the model number of IAP15F4K61S4, is provided with a wide voltage power supply circuit, is internally provided with a 61K program storage, a data storage, a 10-bit AD acquisition device and a 4-channel serial port, and supports remote program upgrading.

5. A fan coil disinfecting and sterilizing control device as claimed in claim 4, characterized in that: the power supply input end of the control circuit (2) is connected with a power supply circuit (9), the power supply circuit (9) comprises a voltage reduction conversion circuit and a voltage stabilization chip Z1, the input end of the voltage reduction conversion circuit is connected with an external power supply, the output end of the voltage reduction conversion circuit is connected with the input end of the voltage stabilization chip Z2, and the output end of the voltage stabilization chip Z2 is connected with the power supply end of the single chip microcomputer U1; the voltage-reducing conversion circuit comprises a rectifier bridge and a voltage-reducing conversion unit, and the voltage-stabilizing chip Z2 provides a 5.0V power supply for the control circuit (2).

6. A fan coil disinfection and sterilization control apparatus as claimed in claim 1, wherein: temperature control panel (2) have fan gear identification circuit, this fan gear identification circuit includes: gear signal detection unit, current detection unit and voltage detection unit.

7. A sterilizing control device for a fan coil according to claim 1 or 6 characterised in that: the temperature control panel (1) can set the upper and lower limit values of relative temperature and humidity, air volume, a refrigeration/heating mode, indoor temperature display and an ultraviolet lamp switch to form a high-efficiency sterilization temperature control input end.

8. A fan coil disinfection and sterilization control apparatus as claimed in claim 1, wherein: the fan control loop (4) comprises a three-speed fan, a silicon controlled rectifier SCR3, a silicon controlled rectifier SCR1 and a silicon controlled rectifier SCR2, wherein the output ends of the silicon controlled rectifier SCR3, the silicon controlled rectifier SCR1 and the silicon controlled rectifier SCR2 are respectively connected with one control input end of the three-speed fan, and the input ends of the silicon controlled rectifier SCR3, the silicon controlled rectifier SCR1 and the silicon controlled rectifier SCR2 are respectively connected with a CPU signal output end of the control circuit (2) through a driving unit.

9. A fan coil disinfection and sterilization control apparatus as claimed in claim 8, wherein: the silicon controlled rectifiers SCR3, the silicon controlled rectifiers SCR1 and the silicon controlled rectifiers SCR2 are made of Philips large-current silicon controlled rectifiers chips, and the model is BTA08-60 OB.

10. A fan coil disinfection and sterilization control apparatus as claimed in claim 1, wherein: the water valve control loop (5) circuit comprises a silicon controlled unit and a driving unit, wherein the silicon controlled unit adopts a Philips large-current silicon controlled chip with the model number of BTA08-60 OB; the output end of the silicon controlled rectifier unit is connected with the control input end of the water valve, and the input end of the silicon controlled rectifier unit is connected with the CPU signal output end of the control circuit (2) through the driving unit.

Technical Field

The invention relates to a control device for sterilizing and disinfecting a fan coil, which is particularly suitable for a special period of epidemic situation. Belongs to the technical field of heating ventilation air conditioning automatic control.

Background

In daily life, indoor places such as people's living places, office places, hotels, restaurants and schools generally need to use a fan coil to adjust indoor air, bacteria are easily bred due to the fact that the fan coil works in a humid environment, and the bacteria are blown to the indoor places along with adjustment, so that diffusion is formed, and harm is caused to human health. Especially, in the epidemic prevention and control period, the ventilation, temperature and humidity work and the living environment in the building directly influence the prevention and control effect, and in the existing building air-conditioning system, a large amount of fan coil pipes are applied to the terminal system of the building air-conditioning. According to the investigation result of the service condition of the terminal fan coil device of the existing building air conditioning system, the indoor air is in a closed space state when the fan coil runs, and if epidemic situation occurs, the indoor air circulation is particularly easy to cause virus cross infection among people invisibly. Therefore, it is highly desirable to disinfect and sterilize indoor air and effectively inhibit the sensing of viruses and bacteria.

Disclosure of Invention

The invention aims to solve the technical problems that the existing fan coil cannot inhibit the diffusion of bacteria and viruses and easily causes the cross infection of the bacteria and the viruses, and provides an anti-virus and sterilization control device for the fan coil, which has the prominent substantive characteristics and the obvious technical progress that the structure is simple and reasonable, the growth and the diffusion of the bacteria and the viruses can be effectively inhibited, and the cross infection of the bacteria and the viruses can be prevented in the special period of the epidemic situation.

In order to achieve the purpose, the invention can adopt the following technical scheme:

the utility model provides a virus killing degerming controlling means for fan coil, includes ultraviolet lamp, control by temperature change panel and power supply circuit, its structural feature lies in: the output end of the temperature control panel is connected with a control circuit, the output end of the control circuit is connected with an ultraviolet lamp driving loop, a fan control loop and a water valve control loop, and the output end of the ultraviolet lamp driving loop is connected with the control input end of an ultraviolet lamp; an ultraviolet lamp on/off key, a temperature rise/fall key, a humidity rise/fall key and a temperature sensor are arranged in the temperature control panel, and a signal output end of the temperature sensor is electrically connected with a signal input end of the control circuit to form a temperature feedback loop; the signal output ends of the ultraviolet lamp on/off button, the temperature rising/falling button and the humidity rising/falling button are respectively and electrically connected with one signal input end of the control circuit, and the input end of the ultraviolet lamp driving loop, the input end of the fan control loop and the input end of the water valve control loop are respectively and electrically connected with one signal output end of the control circuit; the control circuit controls the on or off of the ultraviolet lamp through the ultraviolet lamp driving loop to form a sterilization and disinfection control structure. The fan coil operates and simultaneously kills bacteria and viruses in indoor air.

In order to achieve the above purpose, the invention can also adopt the following technical scheme:

furthermore, the output end of the control circuit is connected with a relay and an electronic pressure regulating module element, the I/O port of the control circuit is a signal output end, and the signal output end is connected with the signal input end of the fan control loop and the signal input end of the water valve control loop through the relay and the electronic pressure regulating module so as to drive the electromagnetic valve actuator in the water valve control loop to regulate the opening degree of the water valve and drive the three-speed fan in the fan control loop to regulate the air speed.

Furthermore, the control circuit comprises a single chip microcomputer chip CPU, a voltage stabilizing circuit unit and a memory unit are arranged in the single chip microcomputer chip, the input end of the voltage stabilizing circuit unit is connected with an external power supply, the output end of the voltage stabilizing circuit unit is connected with the power supply end of the single chip microcomputer chip, and the memory unit is an information data memory of the control circuit.

Furthermore, the single chip microcomputer chip CPU is a 51-core single chip microcomputer with the model IAP15F4K61S4, is provided with a wide voltage power supply circuit, is internally provided with a 61K program storage, a data storage, a 10-bit AD acquisition device and a 4-channel serial port, and supports remote program upgrading.

Furthermore, a power supply input end of the control circuit is connected with a power supply circuit, the power supply circuit comprises a voltage reduction conversion circuit and a voltage stabilization chip Z1, the input end of the voltage reduction conversion circuit is connected with an external power supply, the output end of the voltage reduction conversion circuit is connected with the input end of the voltage stabilization chip Z2, and the output end of the voltage stabilization chip Z2 is connected with the power supply end of the single chip microcomputer U1; the voltage-reducing conversion circuit comprises a rectifier bridge and a voltage-reducing conversion unit, and the voltage-stabilizing chip Z2 provides a 5.0V power supply for the control circuit.

Further, the temperature control panel has a fan gear identification circuit, and the fan gear identification circuit includes: gear signal detection unit, current detection unit and voltage detection unit.

Furthermore, the temperature control panel can be set with upper and lower limit values of relative temperature and humidity, air volume, a refrigeration/heating mode, indoor temperature display and an ultraviolet lamp switch to form a high-efficiency sterilization temperature control input end.

Further, the fan control loop comprises a three-speed fan, a silicon controlled rectifier SCR3, a silicon controlled rectifier SCR1 and a silicon controlled rectifier SCR2, output ends of the silicon controlled rectifier SCR3, the silicon controlled rectifier SCR1 and the silicon controlled rectifier SCR2 are respectively connected with one control input end of the three-speed fan, and input ends of the silicon controlled rectifier SCR3, the silicon controlled rectifier SCR1 and the silicon controlled rectifier SCR2 are respectively connected with a CPU signal output end of the control circuit through a driving unit.

Further, the silicon controlled rectifiers SCR3, the silicon controlled rectifiers SCR1 and the silicon controlled rectifiers SCR2 are Philips large-current silicon controlled rectifiers chips, and the model number of the silicon controlled rectifiers is BTA08-60 OB.

Furthermore, the water valve control loop circuit comprises a silicon controlled unit and a driving unit, wherein the silicon controlled unit adopts a Philips large-current silicon controlled chip with the model number of BTA08-60 OB; the output end of the silicon controlled rectifier unit is connected with the control input end of the water valve, and the input end of the silicon controlled rectifier unit is connected with the CPU signal output end of the control circuit through the driving unit.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention comprises an ultraviolet lamp, a temperature control panel and a power supply circuit, wherein the output end of the temperature control panel is connected with a control circuit, the output end of the control circuit is connected with an ultraviolet lamp driving loop, a fan control loop and a water valve control loop, and the output end of the ultraviolet lamp driving loop is connected with the control input end of the ultraviolet lamp; an ultraviolet lamp on/off key, a temperature rise/fall key, a humidity rise/fall key and a temperature sensor are arranged in the temperature control panel, and the signal output end of the temperature sensor is connected with one signal input end of the control circuit to form a temperature feedback loop; the signal output ends of the ultraviolet lamp on/off button, the temperature rising/falling button and the humidity rising/falling button are respectively connected with one signal input end of the control circuit, and the input ends of the ultraviolet lamp driving loop, the fan control loop and the water valve control loop are respectively connected with one signal output end of the control circuit; the control circuit controls the on or off of the ultraviolet lamp through the ultraviolet lamp driving loop to form a sterilization and disinfection control structure; the fan coil operates and simultaneously kills bacteria and viruses in indoor air. Therefore, the fan coil can solve the problems that the existing fan coil cannot inhibit the growth and the diffusion of bacteria and viruses and is easy to cause the cross infection of the bacteria and viruses, and has the prominent substantive characteristics and the obvious technical progress that the structure is simple and reasonable, the growth and the diffusion of the bacteria and the viruses are effectively inhibited and the cross infection of the bacteria and the viruses is prevented.

2. The invention can realize sterilization and disinfection by modifying the existing installed fan coil, and can also realize sterilization and disinfection by the newly installed fan coil, thereby killing bacteria and viruses in indoor air while the fan coil operates, and effectively inhibiting the growth and diffusion of the bacteria and viruses; is especially suitable for epidemic prevention and epidemic prevention.

Drawings

Fig. 1 is a block diagram of an embodiment of the present invention.

Fig. 2 is a circuit diagram of a control circuit according to an embodiment of the invention.

Fig. 3 is a circuit diagram of a power supply according to an embodiment of the invention.

Fig. 4 is a schematic circuit diagram of a fan control circuit according to an embodiment of the present invention.

Fig. 5 is a block diagram of an ultraviolet lamp driving circuit according to an embodiment of the invention.

Fig. 6 is a structural diagram of a fan gear identification circuit according to an embodiment of the present invention.

Fig. 7 is a circuit structure diagram of a water valve control circuit according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the use state of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and the detailed description below:

referring to fig. 1, a specific embodiment 1 of the present invention includes an ultraviolet lamp, a temperature control panel 1 and a power supply circuit 9, an output end of the temperature control panel 1 is connected to a control circuit 2, an output end of the control circuit 2 is connected to an ultraviolet lamp driving circuit 3, a fan control circuit 4 and a water valve control circuit 5, and an output end of the ultraviolet lamp driving circuit 3 is connected to a control input end of the ultraviolet lamp; an ultraviolet lamp on/off key, a temperature rise/fall key, a humidity rise/fall key and a temperature sensor are arranged in the temperature control panel 1, and a signal output end of the temperature sensor is electrically connected with a signal input end of the control circuit 2 to form a temperature feedback loop; the signal output ends of the ultraviolet lamp on/off button, the temperature rise/fall button and the humidity rise/fall button are respectively and electrically connected with one signal input end of the control circuit 2, and the input end of the ultraviolet lamp driving loop 3, the input end of the fan control loop 4 and the input end of the water valve control loop 5 are respectively and electrically connected with one signal output end of the control circuit 2; the control circuit 2 outputs start/stop control signals to the ultraviolet lamp driving loop 3 to control the on or off of the ultraviolet lamp, so as to form a sterilization and disinfection control structure; the fan coil operates and simultaneously kills bacteria and viruses in indoor air.

In practical application, the present embodiment (i.e., the present invention) is used in conjunction with a fan coil. The control circuit 2 compares the set temperature and the set humidity upper limit value from the temperature control panel 1 with the indoor temperature sent by the temperature sensor in the temperature control panel 1, and outputs control signals to the fan control loop 4 and the water valve control loop 5 so as to adjust the air volume and the water valve opening degree of the fan coil and realize the adjustment of the indoor temperature and humidity; meanwhile, the control circuit 2 also regulates and controls the on or off of the ultraviolet lamp according to the actual detected indoor temperature so as to kill bacteria and viruses in the indoor air while the fan coil operates, thereby effectively inhibiting the growth and diffusion of the bacteria and viruses.

The indoor temperature is set through the temperature rise/fall key, and the indoor humidity is set through the humidity rise/fall key.

In this embodiment:

referring to fig. 2, the control circuit 2 includes a single chip CPU, a voltage regulator circuit unit and a memory unit are built in the single chip CPU, an input terminal of the voltage regulator circuit unit is connected to an external power supply, an output terminal of the voltage regulator circuit unit is connected to a power supply terminal of the single chip CPU, and the memory unit is an information data memory of the control circuit 2.

The single chip microcomputer chip CPU is a 51-core single chip microcomputer with the model number of IAP15F4K61S4, is provided with a wide voltage power supply circuit, is internally provided with a 61K program storage, a data storage, a 10-bit AD acquisition device and a 4-channel serial port, and supports remote program upgrading.

As shown in fig. 2, the CPU master control circuit of the present invention, model IAP15F4K61S4, belongs to a 51-core single chip, and the single chip is suitable for wide voltage power supply, has a 61K program memory, a 10-bit AD collector and a 4-way serial port built therein, and supports remote program upgrade. The using method and the external connection mode can adopt the conventional using method and connection mode.

The power input end of the control circuit 2 is connected with a power supply circuit 9. Referring to fig. 3, the power supply circuit includes a voltage-reducing conversion circuit and a voltage-stabilizing chip Z1, the input end of the voltage-reducing conversion circuit is connected with an external power supply, the output end of the voltage-stabilizing conversion circuit is connected with the input end of a voltage-stabilizing chip Z2, and the output end of the voltage-stabilizing chip Z2 is connected with the power supply end of a single chip microcomputer U1; the buck conversion circuit comprises a rectifier bridge and a buck conversion unit, and the voltage stabilizing chip Z2 provides a 5.0V power supply for the control circuit 2.

As shown in fig. 3, the power supply circuit includes a step-down conversion circuit, a voltage regulation chip Z1 and a single chip microcomputer U1, wherein an input terminal of the voltage regulation chip Z2 is connected to an external power supply, and an output terminal thereof is connected to a power supply terminal of the single chip microcomputer U1. The external power supply is AC220V, and through rectifier bridge, step-down conversion and the regulator after produce 5V voltage for peripheral chip power supply, steady voltage chip Z2 provides 5.0V's power supply for singlechip U1.

In addition, the output end of the control circuit 2 is further connected with a relay (not shown in the figure) and an electronic pressure regulating element (not shown in the figure), the I/O port of the control circuit 2 is a signal output end, and the signal output end is connected with the signal input end of the fan control loop 4 and the signal input end of the water valve control loop 5 through the relay and the electronic pressure regulating element so as to drive the electromagnetic valve actuator in the water valve control loop 5 to regulate the opening degree of the water valve and drive the three-speed fan in the fan control loop 4 to regulate the air speed.

Temperature control panel 1 has fan gear identification circuit, fan gear identification circuit is as shown in fig. 6, including high gear identification circuit H-ZERO, well gear identification circuit M-ZERO and low gear identification circuit L-ZERO, this high gear identification circuit H-ZERO, well gear identification circuit M-ZERO and low gear identification circuit L-ZERO include gear signal detection unit, current detection unit and voltage detection unit respectively, gear signal detection unit respectively connects two electric capacity, a resistance connection by the triode and constitutes, current detection unit respectively comprises two parallelly connected diodes, voltage detection unit respectively comprises a diode and a resistance parallelly connected.

The temperature control panel 1 can set the upper and lower limit values of relative temperature and humidity, air volume, refrigeration/heating modes, indoor temperature display and ultraviolet lamp switch, and forms a high-efficiency sterilization temperature control input end.

Referring to fig. 4, the fan control circuit 4 includes a three-speed fan, a silicon controlled SCR3, a silicon controlled SCR1, and a silicon controlled SCR2, wherein output ends of the silicon controlled SCR3, the silicon controlled SCR1, and the silicon controlled SCR2 are respectively connected to a control input end of the three-speed fan, and input ends of the silicon controlled SCR3, the silicon controlled SCR1, and the silicon controlled SCR2 are respectively connected to a CPU signal output end of the control circuit 2 through a driving unit. As shown in fig. 4, the SCR3, the SCR1, and the SCR2 are philips large-current silicon-controlled devices, the SCRs 1 to the SCR3 are each connected with three resistors to form a silicon-controlled drive circuit and a silicon-controlled output control circuit to control the operation of the fan, and the fan control circuit is further connected with a 6P output terminal J1. The model number of the SCR1-SCR3 is BTA08-60 OB.

As shown in fig. 5, the ultraviolet lamp driving circuit of the present invention includes: a Philips high-current silicon control chip is selected, the silicon control chip is connected with three resistors to form a silicon control driving circuit and a silicon control output control circuit so as to control the work of the ultraviolet lamp, and the ultraviolet lamp driving circuit is further connected with a KBD output terminal J1. A silicon controlled chip model BTA08-60 OB.

As shown in fig. 6, the fan range identifying circuit includes a high range identifying circuit H-ZERO, a medium range identifying circuit M-ZERO, and a low range identifying circuit L-ZERO, each of which includes a range signal detecting unit, a current detecting unit, and a voltage detecting unit; the high-gear signal detection unit is formed by connecting a triode Q1 with a capacitor C6, a capacitor Ca1 and a resistor R17, the middle-gear signal detection unit is formed by connecting a triode Q2 with a capacitor C7, a capacitor Ca2 and a resistor R18, and the low-gear signal detection unit is formed by connecting a triode Q3 with a capacitor C8, a capacitor Ca3 and a resistor R19; the high-gear current detection unit is formed by connecting diodes D4 and D5 in parallel, the middle-gear current detection unit is formed by connecting diodes D7 and D8 in parallel, and the low-gear current detection unit is formed by connecting diodes D10 and D11 in parallel; the high-voltage detection unit is formed by connecting a diode D3 and a resistor Ra1 in parallel, the medium-voltage detection unit is formed by connecting a diode D6 and a resistor Ra2 in parallel, and the low-voltage detection unit is formed by connecting a diode D9 and a resistor Ra3 in parallel. The high range identification circuit H-ZERO, the medium range identification circuit M-ZERO and the low range identification circuit L-ZERO are connected to a 6P input terminal J2 through which a current detection signal (including a high range current detection signal, a medium range current detection signal, a low range current detection signal) and a voltage detection signal (including a high range voltage detection signal, a medium range voltage detection signal, a low range voltage detection signal) are input through the 6P input terminal J2, the high range identification signal is output from the collector of Q1 to one signal input terminal of the control circuit 2, the medium range identification signal is output from the collector of Q2 to one signal input terminal of the control circuit 2, and the low range identification signal is output from the collector of Q3 to one signal input terminal of the control circuit 2.

Referring to fig. 7, the water valve control circuit 5 includes a driving control circuit formed by a thyristor unit and three resistors connected with the thyristor unit, wherein the thyristor unit adopts a philips large-current thyristor chip with a model number of BTA08-60 OB; the output end of the silicon controlled rectifier unit is connected with the control input end of the water valve through a 2P plug terminal JK1, and the control input end of the silicon controlled rectifier unit is connected with a signal output end of the control circuit 2.

As shown in fig. 8, the sterilization control device for a fan coil according to the present invention is configured to form a system diagram of an automatic energy-saving sterilization type fan coil device 8 in cooperation with the fan coil, the automatic energy-saving sterilization type fan coil device 8 is installed in a return air box 7 of the fan coil, and a control circuit controls an ultraviolet lamp 6 to be turned on or off through an ultraviolet lamp driving circuit 3 by inputting a command through a temperature control panel 1, so as to form the control type energy-saving sterilization type fan coil device. The fan coil unit 8 is spaced from the temperature control panel 1 by a ceiling 10, i.e. the temperature control panel 1 is mounted on a wall below the ceiling 10 and the fan coil unit 8 is mounted on a wall above the ceiling 10, either electrically connected by wires or wirelessly connected. Automatic energy-saving sterilizing and disinfecting fan coil device 8

The control circuit 2 processes the set temperature and the set humidity upper limit value from the temperature control panel 1 and the indoor temperature sent by the temperature sensor in the temperature control panel 1 and then outputs control signals to the fan control loop and the water valve control loop so as to adjust the air volume and the water valve opening degree of the fan coil and realize the adjustment of the indoor temperature and humidity. The control circuit 2 controls the on or off of the ultraviolet lamp according to the start-stop control signal of the ultraviolet lamp of the temperature control panel 1, thereby realizing the operation of the fan coil and simultaneously killing the bacteria and viruses in the indoor air and effectively inhibiting the growth and the diffusion of the bacteria and viruses.

The applicant proves that aiming at the defects of the existing fan coil and the use of the ultraviolet lamp, the adopted professional ultraviolet disinfection and sterilization equipment destroys the RNA (ribonucleic acid) or DNA (deoxyribonucleic acid) molecular structure in the bacterial virus by utilizing the wavelength of 240-280nm emitted by the ultraviolet lamp, which corresponds to the peak value of the absorption spectrum of the bacterial virus, so as to cause the death of growing cells and the death of regenerative cells, and particularly has remarkable disinfection and sterilization effects on novel coronavirus (RNA virus). The professional ultraviolet disinfection and sterilization equipment is arranged in the return air pipe of the fan coil, ultraviolet rays are not leaked indoors, a large amount of ozone is not generated, and the skin, eyes and the like of a human body are not damaged, so that the aim of effectively inhibiting the growth and diffusion of bacteria and viruses when the fan coil is used is fulfilled.

The invention can realize sterilization and disinfection by modifying the existing installed fan coil, and can also realize sterilization and disinfection by the newly installed fan coil, thereby killing bacteria and viruses in indoor air while the fan coil operates, and effectively inhibiting the growth and diffusion of the bacteria and viruses; is especially suitable for epidemic prevention and epidemic prevention.

In addition, according to the newly published "rapid guidelines for diagnosis and treatment of novel coronavirus pneumonia", there are mentioned: the virus can be inactivated by 75% alcohol, ether, chloroform, formaldehyde, chlorine-containing disinfectant, peracetic acid and ultraviolet rays. The method is a common indoor method at present by simply utilizing ultraviolet lamps for sterilization, a common ultraviolet lamp formula does not contain chemical components for inhibiting the formation of ozone, a large amount of ozone can be generated when the ultraviolet lamp is started for use, and due to the strong oxidation effect of the ozone, viruses and bacteria can be effectively killed, and meanwhile, if indoor active personnel inhale too much ozone, the uncomfortable symptoms of throat, chest distress, cough, dizziness, headache and the like can be caused. During use, the uv lamps, which therefore do not contain chemical components that inhibit ozone formation in the light formulation, should be ventilated for more than half an hour before entering the room. However, after the ultraviolet lamp is stopped, people with germs enter the room, and the air circulation is realized by the operation of the air conditioning system, so that the germs are easily spread. The sterilization and degerming control device for the fan coil is matched with the fan coil to form an automatic energy-saving sterilization and degerming type fan coil device, so that the body discomfort symptoms such as sore throat, chest distress, cough, dizziness, headache and the like can be prevented, and the sterilization and the disinfection can be realized, and the spread of germs can be prevented.

The invention summarizes the application of an intelligent control technology in the aspect of service epidemic prevention action, and aims to effectively inhibit the growth and the diffusion of bacteria and viruses by utilizing the fan coil controller with the functions of sterilization and degerming to the reformation of the existing installed fan coil and the newly installed fan coil.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.