JP7249627B2 - Heater units, drains, and drainage systems - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage system or the like for discharging water flowing from a sink installed in a room or the like to an external sewage system or the like.

Conventionally, there have been drainage pipes having S-shaped or P-shaped traps (see Patent Document 1, for example). In this type of drain pipe, the water accumulated in the trap blocks ventilation, thereby preventing bad odors from entering the room through the drain pipe.

JP-A-11-172735

However, since pathogens such as bacteria and viruses can move through the water accumulated in the trap, even if the above drain pipe is used, it is not possible to prevent external pathogens from entering the room through the drain pipe. there was a case.

For example, in hospitals and other medical care facilities, if pathogens contained in water flushed from one room enter another room through a drain pipe, infection may spread within the facility. .

A heater unit of the first aspect of the invention is a heater unit comprising one or more heaters and an arrangement mechanism for arranging the one or more heaters in a drain pipe.

With such a configuration, the heat of the heater can sterilize and suppress pathogens existing and proliferating in the drainpipe.

Further, the heater unit of the second aspect of the invention is a heater unit, in contrast to the first aspect of the invention, further comprising a timer for turning on or off one or more heaters at preset timings.

With such a configuration, pathogens can be sterilized and suppressed while suppressing power consumption.

In addition, the heater unit of the third aspect of the present invention further comprises a timer setting device for setting timing information relating to the timing of turning on or off the one or more heaters in the timer, in contrast to the second aspect of the invention. , a heater unit that turns one or more heaters on or off using timing information set by a timer setting device.

With such a configuration, it is possible to balance power consumption with the effect of eradicating and suppressing pathogens.

In addition, the heater unit of the fourth invention is a heater unit further comprising an overheat prevention device for preventing overheating of the drain pipe by the one or more heaters in addition to any one of the first to third inventions.

With such a configuration, damage to the heater unit itself and adverse effects on the drain pipe and its surroundings due to overheating can be avoided.

In addition, in the heater unit of the fifth invention, in contrast to any one of the first to fourth inventions, each of the one or more heaters is a sheet-shaped or cord-shaped heater that can be wrapped around a part of the drain pipe. Yes, the locating mechanism is a heater unit that includes a cylindrical or prismatic case covering a portion of the drain pipe wrapped with one or more heaters, together with at least one or more heaters.

Such a configuration realizes a heater unit that can be placed at a suitable location in a drain pipe.

Further, in the heater unit of the sixth invention, in contrast to the fifth invention, the upper and lower surfaces of the case are penetrated by the portion of the drain pipe where the at least one heater is not wound, and the at least one heater is The heater unit is formed with a pair of holes having a size that does not allow the wound portion to penetrate.

Such a configuration realizes a heater unit that can accommodate different sizes of drain pipes.

Further, in the heater unit of the seventh invention, in contrast to the sixth invention, the case can be opened and closed, and the arrangement mechanism is provided on the side surface of the case and has one or more heater units for keeping the case closed. is a heater unit further comprising a fastener for a.

Such a configuration realizes a heater unit that can be easily attached and detached.

Further, the drain pipe of the eighth invention is a drain pipe in which a heater unit is arranged for any one of the first to seventh inventions.

With such a configuration, the heat of the heater can sterilize and suppress pathogens existing and proliferating in the drainpipe.

In contrast to the eighth invention, the drain pipe of the ninth invention has a portion where water accumulates, and the heater unit is a drain pipe arranged at least above the water surface of the portion where water accumulates. .

With such a configuration, pathogens that try to enter the sink or the like above the drain pipe from the sewage system or the like below the drain pipe through the water accumulated in the drain pipe can be sterilized by the heat of the heater.

Further, a drainage system of the tenth invention is a drainage system comprising the heater unit of any one of the first to seventh inventions, a drain pipe in which the heater unit is arranged, and a device to which the drain pipe is connected. System.

With such a configuration, the heat of the heater can sterilize pathogens existing and proliferating in the drain pipe, and can suppress invasion of the pathogen from the drain pipe into the instrument.

According to the present invention, the heat of the heater can sterilize and suppress pathogens existing and multiplying in the drainpipe.

Schematic diagram of a drainage system in an embodiment Schematic diagram showing the open state of the same heater unit Schematic diagram showing the closed state of the same heater unit External view of the same control unit A diagram showing an example of the internal configuration of the same control unit

Hereinafter, embodiments of a heater unit and the like will be described with reference to the drawings. It should be noted that, since components denoted by the same reference numerals in the embodiments perform similar operations, repetitive description may be omitted.

FIG. 1 is a schematic diagram of a drainage system according to this embodiment. The drainage system comprises a heater unit 1, a drain pipe 2 in which the heater unit 1 is arranged, and an appliance 3 to which the drain pipe 2 is connected. The appliance 3 is usually installed indoors. The room is, for example, the inside of a room such as a hospital room, treatment room, washroom, or the like in a facility such as a hospital. Alternatively, the room may be the kitchen, the bathroom, or the living room of a home, and the type of the room does not matter. However, the appliance 3 may be installed outdoors, and the installation location is not limited.

Appliance 3 is, for example, a sink. Alternatively, the appliance 3 may be, for example, a bathtub, an air conditioner, or the like.

The drain pipe 2 is a pipe that is connected to the instrument 3 and discharges liquid such as water that has flowed from the instrument 3 to the outside. Outside is usually outside the room. The outside may be, for example, a sewage system or a treatment tank for treating wastewater, and the type thereof is not limited.

The drain pipe 2 has, for example, a spot 21 where water collects. The location 21 where water accumulates is, for example, a trap. It can be said that the trap is a bent part of the drain pipe 2 so as to collect water. The trap is, for example, P-shaped, but may be S-shaped or U-shaped, and any type is acceptable as long as it has a shape that allows water to accumulate.

Note that the location 21 where water accumulates is not limited to a part of the drain pipe 2, and may be a device attached to the drain pipe 2, for example. This type of device is, for example, a bell-shaped or bowl-shaped device that is put on the upper end of the drain pipe 2, but it may be a drum-shaped water reservoir provided in a part of the drain pipe 2. I don't mind.

The drain pipe 2 is made of metal, for example. Alternatively, the drain pipe 2 may be made of resin, and any material may be used.

It is preferable that the heater unit 1 is arranged at least above the water surface of the part 21 of the drain pipe 2 where water collects. The term "water surface" as used herein refers to the water surface (that is, the highest water surface) when the largest amount of water is accumulated in the portion 21 where the water is accumulated. However, the water surface may be, for example, a water surface in which the amount of water has decreased due to evaporation of part of the accumulated water (that is, a water surface lower than the highest water surface).

Arrangement at least above the water surface includes, for example, the case where the heater unit 1 is arranged only above the water surface and the heater unit 1 is not arranged below the water surface, as shown in FIG.

Arranging at least above the water surface includes, for example, the case where the heater unit 1 is arranged above the water surface and another heater unit (not shown) is arranged below the water surface.

Arranging at least above the water surface may be considered to include, for example, the case where only part of the heater unit 1 is arranged above the water surface and the other part is arranged below the water surface. . In other words, a part of the heater unit 1 is located above the water-accumulating part 21, but the other part may be in contact with the water-accumulating part 21. However, if there are many parts in contact with the part 21 where water accumulates, the amount of heat supplied to the accumulated water from that part increases, the water temperature rises, and the amount of water decreases due to evaporation. It is preferable that the contact portion is small.

Therefore, for example, as shown in FIG. 1, it is preferable that the entire heater unit 1 is arranged above the water surface. It should be noted that it is preferable that the other heater unit arranged below the water surface also has a smaller portion in contact with the portion 21 where water is accumulated, and a portion away from the portion 21 where water is accumulated (for example, It is more preferred to be placed in a drainpipe with an S-shaped trap, such as below the surface of the water and where the water is not standing.

However, the heater unit 1 may be arranged, for example, only below the water surface of the part 21 of the drain pipe 2 where water accumulates. Further, the heater units 1 may be provided at one or more points of the drain pipe 2 regardless of the position of the water surface, and the number and positions of the heater units 1 are not limited.

Furthermore, the heater unit 1 may be provided, for example, in a drain pipe (not shown) that does not have a spot 21 where water collects, and the type of drain pipe 2 in which the heater unit 1 is arranged does not matter.

FIG. 2 is a schematic diagram showing the open state of the heater unit 1. As shown in FIG. The heater unit 1 is arranged in a drain pipe 2 having a P-shaped trap, for example, but it can be installed in a drain pipe 2 having a trap in a shape other than the P-shape, such as an S-shape or a U-shape. It may be placed in a drain 2 that does not have a trap, it does not matter what type of drain 2 it is placed in.

The heater unit 1 includes one or more heaters 11 and an arrangement mechanism 12 . The heater 11 is a member that heats at least part of the drain pipe 2 . The heater 11 is composed of, for example, a heating element. The heating element is, for example, a heating wire. Alternatively, the heater 11 may be, for example, a ceramic heater or an electromagnetic induction (IH) heater, regardless of the type.

The heater 11 is, for example, a sheet-like (may be called planar) or cord-like (may be called linear) deformable heater. This type of heater 11 is composed of, for example, a heating wire such as a nichrome wire, and is wound around a portion of the drain pipe 2 .

However, the heater 11 may be, for example, a heater that is difficult to deform. This type of heater 11 may be made of ceramic or the like and formed in a ring shape in advance, and attached to a portion of the drain pipe 2 . Alternatively, the heater 11 may be, for example, a rod-shaped ceramic heater, and may be attached in the longitudinal direction of the drain pipe 2, regardless of its shape, type, or location.

The arranging mechanism 12 is a mechanism for arranging one or more heaters 11 in the drain pipe 2 . The arranging mechanism 12 is composed of, for example, a case 121 that can be opened and closed, and one or more fasteners 122 for keeping the case 121 closed.

Case 121 houses at least one or more heaters 11 . Case 121 may also house one or more of a timer, a timer setting device, and an overheat prevention device, which will be described later.

The case 121 covers at least the portion of the drain pipe 2 around which the cord-shaped or sheet-shaped heater 11 is wound, together with at least the one or more heaters 11 . This type of case 121 has, for example, a cylindrical or prismatic shape. Note that the column or the like may not be a perfect column or the like, and may be, for example, an elliptical column or a truncated cone shape, or may have unevenness or deformation locally.

A pair of holes 1211 are formed in the upper and lower surfaces of the cylindrical or prismatic case 121 . The hole 1211 has a size through which the portion of the drain pipe 2 to which the heater 11 is not wound penetrates but the portion to which the heater 11 is wound does not penetrate.

The case 121 is divided into two parts by a plane that includes a straight line passing through the pair of holes 1211. One ends of the two parts are connected to each other by a hinge or the like, and the other end is attached to the straight line. It can be opened and closed to the left and right.

For example, as shown in FIG. 3, the case 121 opened to the left and right has a pair of holes 1211 on its upper surface and a lower surface through which the drain pipe 2 passes, and the part of the drain pipe 2 around which one or more heaters 11 are wound. is closed while covering the

However, if the heater 11 is, for example, a ring-shaped or rod-shaped heater, the case 121 should cover the portion of the drain pipe 2 to which one or more ring-shaped heaters 11 are attached. It may have a cylindrical or prismatic shape with a convex portion such as a ring, which is covered together with 11 .

The case 121 is made of resin, for example. Alternatively, the case 121 may be made of, for example, porcelain, glass, or the like, and any material with low thermal conductivity may be used. However, resin is more preferable in that it is a material that not only has low thermal conductivity but is also lightweight and resistant to breakage.

Further, for example, a heat insulating material may be provided on the inner surface of the case 121 made of resin or the like. The insulation is suitable, for example, to be flame retardant. This kind of heat insulating material is, for example, glass wool, but the type is not limited. The heat insulating material may be wrapped around the heater 11 wrapped around the drain pipe 2 or may be arranged in the space inside the case 121 .

The fastener 122 is provided, for example, on the side surface of the case 121, but may be provided on the upper surface or the lower surface of the case 121, and its position does not matter.

In this embodiment, for example, as shown in FIG. 2 or 3, two fasteners 122 are provided on the side surfaces of the case 121 on the upper and lower surfaces. One of the two fasteners 122 may be provided on the upper surface of the case 121 and the other may be provided on the lower surface of the case 121 . Alternatively, one of the two fasteners 122 may be provided on the side surface of the case 121 and the other may be provided on either the upper surface or the lower surface of the case 121, and their positions are not limited.

Alternatively, for example, three or more fasteners 122 may be provided, for example, on the sides of the case 121 . Alternatively, three or more fasteners 122 may be provided dispersedly on two or more of the side surface, upper surface, and lower surface of the case 121, and the number and arrangement positions thereof are not limited.

The fastener 122 is, for example, a hook-type fastener as shown in FIG. 2 or FIG. Note that the fastener 122 does not necessarily have to be fixed to the case 121 . For example, one or more annular fasteners 122 made of an elastic material such as rubber may be wound around the side surface of the case 121 .

The heater unit 1 also has a power source (not shown). The power supply is connected to an electrical outlet via, for example, a power wire and power plug, and shares current with one or more heaters 11 . However, the power source may be, for example, a storage battery or a generator. Furthermore, the heater unit 1 may also have, for example, a switch for turning on or off the current from the power source to the one or more heaters 11, and a power button (not shown) for switching the switch. do not have.

Note that the heater unit 1 may further include, for example, a timer (not shown). A timer is a device that turns on or off one or more heaters 11 at preset timings.

A timer, for example, comprises a memory and a controller. Note that the memory is realized by, for example, ROM, RAM, flash memory, etc., and the controller is realized by, for example, MPU, CPU, etc., but the means of implementation does not matter. Timing information is stored in the memory. Timing information is information about the timing of turning on or off one or more heaters 11 . Timing information is, for example, information indicating a cycle. This type of timing information may be, for example, "repeating on/off every 20 minutes" or "on 1 hour after off, off 10 minutes after on", etc., but any form of expression is acceptable.

Alternatively, the timing information may be, for example, information indicating a cycle and time. This kind of timing information is, for example, "turn on at 9:00 and 21:00 every day, turn off at 20 after turning on" or "continue turning on for one hour from 9:00 every Monday". does not matter. Alternatively, the timing information may be, for example, a set of one or two or more times, or may be "x hours later", and the data format is irrelevant.

In addition, the ON cycle, the duration of the ON state, and the like are, for example, the amount of heat generated per unit time or power (for example, 1000 watts) of one or more heaters 11, and the temperature and time at which pathogens can be sterilized ( For example, 80 degrees or more for 10 minutes or more).

The controller turns one or more heaters 11 on or off using timing information stored in memory.

Note that the timer may be built in or externally attached to the heater unit 1 or may be separate from the heater unit 1 . In the latter case, each of the heater unit 1 and the timer further comprises a wired or wireless communication module, and the controller of the timer remotely switches the one or more heaters 11 constituting the heater unit 1 via the communication module. You can switch. Note that the communication module is realized by, for example, a network card, a Bluetooth (registered trademark) module, or the like, but the means for realizing it does not matter.

Alternatively, the timer may be, for example, a mechanical timer using a mainspring or the like, and its configuration does not matter.

The heater unit 1 may also include, for example, a timer setting device (not shown). A timer setting device is a device that sets timing information for a timer.

A timer setting device includes, for example, an operation panel and a controller. The operation panel has one or two or more buttons and keys for inputting a cycle and time, and accepts the cycle and time input via the one or more buttons. The controller constructs the timing information as described above using the cycle and time received via the operation panel, and writes it in the memory of the timer. The timer setting device may also include, for example, a display, and the controller may display a character string corresponding to the input period or the like on the display.

The timer setting device may be integrated with the timer or may be separate from the timer. In the latter case, each of the timer and timer-setting device may further comprise a wired or wireless communication module, and the controller of the timer-setting device may write timing information to the memory of the timer via the communication module. In the former case, the controller of the timer setting device may be the same as the controller of the timer described above, and the structure of the timer setting device is not limited.

The heater unit 1 may also include, for example, an overheat prevention device (not shown). The overheat prevention device is a device that prevents overheating of the drain pipe 2 by one or more heaters 11 . The overheat protection device includes, for example, a temperature sensor and a controller. A temperature sensor is provided in the vicinity of a portion of the drain pipe 2 where the one or more heaters 11 are arranged, and detects the temperature. The controller turns off the one or more heaters 11 when the sensed temperature exceeds the threshold.

Alternatively, the controller preferably turns off one or more heaters 11 and sets them to a forced off state, for example, when the detected temperature exceeds a threshold. It can be said that the forced off state is a state in which one or more heaters 11 are forcibly turned off and turning on is impossible or difficult.

The forced off state is, for example, a state in which turning on by a timer is impossible. Alternatively, the forced off state may be, for example, a state in which turning on by a timer is impossible and turning on by a power button of one or more heaters 11 is also difficult. The state in which it is difficult to turn on the power button includes, for example, the case where the heater 11 is turned on when the power button is pressed for a predetermined time or longer. In other words, the forced off state set by the overheating prevention device may be canceled by, for example, long-pressing the power button of the heater 11 .

Also, the controller may cancel the setting of the forced off state, for example, when the detected temperature falls below a second threshold lower than the threshold.

The controller of the overheat prevention device may be built in or externally attached to the heater unit 1, or may be separate from the heater unit 1. FIG. In the latter case, the controller of the overheat protection device may be, for example, one or more in common with the controller of the timer described above or the controller of the timer setting device described above, regardless of the configuration of the overheat protection device.

Alternatively, the functionality of one or more of the timer, timer setting device, or overheat protection device may be realized by the control unit 4, for example as shown in FIGS. That is, it can be said that the control unit 4 includes, for example, one or more of a timer section corresponding to a timer, a timer setting section corresponding to a timer setting device, and an overheat prevention section corresponding to an overheat prevention device.

4 is an external view of the control unit 4. FIG. The control unit 4 has, for example, an operation panel and a display. The control unit 4 is provided, for example, between the power source of the heater unit 1 and an outlet.

FIG. 5 is a diagram showing an example of the internal configuration of the control unit 4. As shown in FIG. In FIG. 5, the control unit 4 includes an MPU 911 that is a computer that executes programs, a ROM 912 that stores programs such as a boot-up program, and is connected to the MPU 911 to temporarily store instructions of application programs. A RAM 913 that provides a temporary storage space, a storage 914 that stores application programs, system programs, and data, a bus 915 that interconnects the MPU 911, ROM 912, etc., and provides connections to networks such as external networks and internal networks. A network card 916 , a memory card slot 917 , a display 918 , and an operation panel 919 are provided. The storage 914 is, for example, flash memory or the like. Note that the entire control unit 4 may be called a computer.

A program that causes a computer to execute functions such as a timer section, a timer setting section, and an overheat prevention section may be stored in the memory card 920, inserted into the memory card slot 917, and transferred to the storage 914, for example. Alternatively, the program may be transmitted over a network to computer system 900 and stored in storage 914 . Programs are loaded into RAM 913 during execution. Note that the program may be loaded directly from the memory card 920 or from the network. It should be noted that how the computer operates is well known, and a detailed description will be omitted.

However, the heater unit 1 may be of a type that does not have a timer or a timer setting device and always generates heat when the power supply is connected to an outlet. In that case, the amount of heat generated per unit time or the electric power of the heater unit 1 is set to a value such that the temperature of the drain pipe 2 is maintained at or above a temperature at which the growth of pathogens present in the drain pipe 2 can be suppressed. be done. Moreover, it is preferable that the electric power of the heater unit 1 can be switched in two or more steps such as "100 W" and "200 W".

A specific operation example of the drainage system will be described below. It should be noted that the following description can be modified in various ways, and does not limit the present invention in any way.

A schematic of the drainage system of this example is shown in FIG. A device 3 constituting this drainage system is a sink provided in a hospital room (hereinafter sometimes referred to as a sink 3). The drain pipe 2 has a P-shaped trap (hereinafter referred to as trap 21) which is a portion 21 where water collects. The heater unit 1 is placed above the water surface of the trap 21 in the drain pipe 2 .

As shown in FIG. 2, the heater unit 1 includes two sheet-like heaters 11 wound around the portion of the drain pipe 2 above the water surface of the trap 21, and a cylindrical case 121 that can be opened and closed. , two fasteners 122 are provided on the side surface of the case 121 .

As shown in FIG. 3, the case 121 has a pair of holes 1211 formed in its upper and lower surfaces, through which the drain pipe 2 passes, and covers the part of the drain pipe 2 around which the two heaters 11 are wound. closed and secured by two fasteners 122 . The heater unit 1 is thereby arranged above the water surface of the trap 21 in the drain pipe 2 .

Although the heater unit 1 described above can be attached to and detached from the drain pipe 2, the heater unit 1 may be placed in the drain pipe 2 in advance. In other words, a drainage system may be realized by attaching the heater unit 1 to an existing drainage pipe, or by attaching the drainage pipe 2 in which the heater unit 1 is arranged in advance to a fixture 3 such as a sink. A drainage system may be assembled.

A power supply for the heater unit 1 is connected to an outlet through the control unit 4 . A user inputs information such as "every day", "every hour", and "0 minute" by operating the "day" button, "hour" button, and "minute" button constituting the operation panel of the timer setting device. do. The controller uses the input information to configure, for example, timing information "every day, turn on at 0:00 every hour, turn off 20 minutes after turning on" and write it to memory. The display displays, for example, a character string such as "every day, every hour, 0 minutes" corresponding to the input information.

For example, when the current time acquired from the built-in clock reaches 0:00 every day indicated by the timing information, the controller starts energizing the two heaters 11 from the power supply, and energizes the two heaters 11 when 20 minutes have passed since the start of energization. to stop. The memory also stores a threshold "90 degrees Celsius" and a second threshold "60 degrees Celsius", and when the temperature detected by the temperature sensor exceeds the threshold "90 degrees Celsius", the two heaters 11 are energized. and writes a flag indicating the forced off state to memory. While the flag indicating the forced off state is stored in the memory, the controller does not start energizing even if the current time reaches 0:00 every hour.

When the temperature detected by the temperature sensor falls below the second threshold "60 degrees Celsius", the controller deletes the flag indicating the forced off state from the memory and restarts energization and cutoff based on the timing information.

As described above, according to the present embodiment, the heater unit 1 includes the one or more heaters 11 and the arrangement mechanism 12 for arranging the one or more heaters 11 in the drain pipe 2. , It can sterilize and suppress pathogens that exist and multiply in drainage pipes.

Further, the heater unit 1 is further provided with a timer that turns on or off one or more heaters 11 at preset timings, thereby sterilizing and suppressing pathogens while suppressing power consumption.

In addition, the heater unit 1 further includes a timer setting device for setting timing information regarding the timing of turning on or off the one or more heaters 11 for the timer, and the timer uses the timing information set by the timer setting device. By turning one or more heaters 11 on or off, a balance can be achieved between power consumption and the efficacy of pathogen sterilization and suppression.

In addition, the heater unit 1 is further equipped with an overheat prevention device that prevents overheating of the drain pipe 2 by one or more heaters 11, thereby preventing damage to the heater unit 1 itself and adverse effects on the drain pipe 2 or its surroundings due to overheating. etc. can be avoided.

In the above configuration, each of the one or more heaters 11 is a sheet-like or cord-like heater that can be wrapped around a part of the drain pipe 2, and the arrangement mechanism 12 is arranged such that the one or more heaters 11 of the drain pipe 2 are By including a cylindrical or prismatic case 121 that covers the wrapped portion together with at least one or more heaters 11, a heater unit that can be placed in place in a drain pipe is achieved.

Moreover, the heater unit 1 has a size in which the upper and lower surfaces of the case 121 are penetrated by the portion of the drain pipe 2 to which the one or more heaters 11 are not wound and are not penetrated by the portion to which the one or more heaters 11 are wound. By forming the pair of holes 1211, a heater unit capable of coping with the difference in thickness of the drain pipe is realized.

In the above configuration, the case 121 can be opened and closed, and the arrangement mechanism 12 is provided on the side surface of the case 121 and further includes one or more fasteners 122 for fastening the case 121 in a closed state. A heater unit that can be easily attached and detached is realized.

Further, since the drain pipe 2 is a drain pipe in which the heater unit 1 as described above is arranged, the heat of the heater can sterilize and suppress pathogens existing and proliferating in the drain pipe.

In addition, the drain pipe 2 has a portion 21 where water accumulates, and the heater unit 1 is arranged at least above the water surface of the portion 21 where water accumulates, so that drainage from the sewer or the like below the drain pipe is prevented. Pathogens that try to invade the sink above the drain pipe through the water accumulated in the pipe can be sterilized by the heat of the heater.

In addition, the drainage system includes a heater unit 1, a drainage pipe 2 in which the heater unit 1 is arranged, and a fixture 3 to which the drainage pipe 2 is connected. It can sterilize growing pathogens and suppress invasion of pathogens into instruments.

It goes without saying that the present invention is not limited to the above-described embodiments, and that various modifications are possible and are also included within the scope of the present invention.

INDUSTRIAL APPLICABILITY As described above, the heater unit according to the present invention has the effect of sterilizing and suppressing pathogens existing and proliferating in drainage pipes by the heat of the heater, and is useful as a heater unit or the like.

REFERENCE SIGNS LIST 1 heater unit 2 drain pipe 3 appliance 4 control unit 11 heater 12 placement mechanism 21 water pool 121 case 122 fastener 1211 pair of holes

Claims (8)

one or more heaters;
a positioning mechanism for positioning the one or more heaters in a drain;
a timer for turning on and off the one or more heaters at set timing;
a timer setting device for setting timing information regarding the timing of turning on and off the one or more heaters for the timer;
the timer turns on and off the one or more heaters using the timing information set by the timer setting device ;
The heater unit , wherein the timing information has information indicating an ON or OFF cycle, or information about the time to turn ON and the time to continue the ON state . 2. The heater unit according to claim 1, further comprising an overheat prevention device for preventing overheating of the drain pipe by the one or more heaters. Each of the one or more heaters
A sheet-like or cord-like heater that can be wrapped around a part of the drain pipe,
The placement mechanism includes:
3. The heater unit according to claim 1, further comprising a cylindrical or prismatic case that covers the part of the drain pipe around which the one or more heaters are wound together with at least the one or more heaters. on the upper and lower surfaces of the case,
4. The method according to claim 3 , wherein a pair of holes having a size is formed so that a portion of said drain pipe where said one or more heaters are not wound penetrates and said portion where said one or more heaters are wound does not penetrate. heater unit. The case is openable and closable,
The placement mechanism includes:
5. The heater unit of claim 4 , further comprising one or more fasteners provided on the sides of the case for holding the case closed. A drain pipe in which the heater unit according to any one of claims 1 to 5 is arranged. Having a place where water collects,
The heater unit
7. The drain pipe according to claim 6 , which is arranged at least above the water surface of the portion where the water collects. a heater unit according to any one of claims 1 to 5 ;
a drain pipe in which the heater unit is arranged;
and a device to which the drain pipe is connected.

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