JP2007237179A - Ultraviolet device for sterilizing water in 24-hour bathing water purifying and circulating apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To protect an eye from the lighting of an ultraviolet (UV) lamp in an attachable/detachable ultraviolet device for sterilizing water in a 24-hour bathing water purifying and circulating apparatus by preventing the lighting of the UV lamp or displaying a warning, and preventing the operation of a circulating pump when the UV lamp is not securely fixed to a housing at the time of the replacement of the UV lamp. <P>SOLUTION: The ultraviolet device for sterilizing the water comprises the UV lamp 1, an outer tube 3 covering the UV lamp 1 and cutting off the penetration of bathing water, the housing 5 receiving the UV lamp 1 and the outer tube 3 and permitting the bathing water to pass, and a mechanism holding the outer tube 3 and the UV lamp 1 and being attachable to/detachable from the housing 5. The ultraviolet device also includes a sensor A detecting the fixing of the UV lamp 1 to the housing 5 and a lighting control means 21 constituted so as not to allow the UV lamp 1 to light when the detection signal from the sensor A is not received. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is an ultraviolet sterilizer for water that can be attached and detached in a 24-hour bath water purification and circulation device, and can protect eyes from lighting of the UV lamp when the UV lamp is replaced. Relates to the device.

  A conventional UV lamp unit includes a UV lamp, an outer tube, a housing, and a housing lid. When using the UV lamp in a bath water purification / circulation device for 24 hours, considering the safety of the electrical and safety when the lamp breaks, materials such as glass and quartz that transmit UV rays well outside the UV lamp In many cases, an outer tube is provided. In order to increase the sterilization efficiency, it is desirable to use an outer tube that has a good ultraviolet transmittance, as well as to prevent contamination that impedes the transmittance. In this way, when it is necessary to replace the UV lamp, write down the cautions when replacing the UV lamp in the UV lamp replacement manual, etc., install the UV lamp correctly in the housing, connect the connector, and operate Had to start.

  However, when the UV lamp coil is broken and needs to be replaced, the general user is often not careful. That is, if it is the same as the fluorescent lamp for illumination, it tries to check the lighting condition of the old UV lamp visually. In this case, the eyes and skin may be damaged by ultraviolet rays. If the UV lamp is not installed correctly, water may leak from the lid of the housing and the UV lamp and the inverter board may be damaged. It was a problem in these respects.

In order to achieve the above object, the present invention includes a UV lamp that emits ultraviolet light, an outer tube that covers the UV lamp and transmits ultraviolet light and blocks the penetration of bath water, and the UV lamp and the outer tube are accommodated. And an ultraviolet sterilizer for water comprising a housing through which bath water passes, a lamp base in which the outer tube and the UV lamp are integrated, and is detachably attached to the housing, wherein the lamp base is attached to the housing. A sensor connected to a lead wire having a connectable connector for supplying power when mounted, and detecting the installation of the lamp base incorporating the UV lamp in the housing; and the lamp base is connected to the housing When the detection signal from the sensor is detected and the connector is connected, the UV lamp is turned on and the UV lamp is turned on. Lighting that controls the UV lamp not to turn on to protect the UV lamp from being turned on when the connector is connected and the sensor is not detected when the lamp base incorporating the lamp is not properly installed in the housing The problem was solved by making it the ultraviolet sterilizer for water in the 24-hour bath water purification and circulation device characterized by comprising a control means.
Further, the present invention provides a UV sterilizer for water in a 24-hour bath water purification and circulation device, further comprising an alarm means for displaying an alarm when there is no detection signal from the sensor. Settled.

According to the ultraviolet sterilizer for water in the 24-hour bath water purification and circulation device of the present invention,
In the detachable UV sterilizer for water in the 24-hour bath water purification and circulation system, if the UV lamp is not installed in the housing when replacing the UV lamp, the UV lamp will not be turned on, an alarm will be displayed, and the circulation pump will be operated. It is possible to protect the eyes from the lighting of the UV lamp.

Further, in the present invention, the UV lamp 1, the outer tube 3 that covers the UV lamp 1 and blocks the penetration of the bath water, the housing 5 that houses the UV lamp 1 and the outer tube 3 and passes the bath water, and the outer A lead wire having a tube 3 and a UV lamp 1 that is detachable from the housing 5 and that has a connector that can be connected to supply power when the lamp base is mounted on the housing. When the sensor A that detects the installation of the UV lamp 1 in the housing 5 and the connector that supplies power in the absence of a detection signal from the sensor A are connected, the UV lamp 1 is By providing a safety device for the ultraviolet sterilizer for water in the 24-hour bath water purification and circulation device that includes the lighting control means 21 that is not turned on, the UV lamp 1 is properly connected to the housing 5. Since the UV lamp 1 is not turned on unless it is installed, the operator does not turn on even when the operator does not attach it to the housing 5, that is, when the UV lamp is turned on visually. Therefore, there is no fear of damaging eyes and skin by ultraviolet rays, and there is an advantage that safety can be ensured for an operator or a user of the 24-hour bath water purification and circulation device.

  Further, in the present invention, when there is no detection signal from the sensor A, the ultraviolet light sterilizer for water is used as a safety device in a 24-hour bath water purification and circulation device which is provided with an alarm means 24 that does not light up and displays an alarm. Thus, the installation of the UV lamp 1 in the housing 5 can be more reliably notified to an operator or the like, and safety can be ensured.

  A UV lamp 1; an outer tube 3 that covers the UV lamp 1 and blocks the ingress of bath water; a housing 5 that houses the UV lamp 1 and the outer tube 3 and passes bath water; and the outer tube 3 and the UV lamp 1 And is connected to the housing 5 by a lead wire having a connector that can be connected to supply power when the lamp base is mounted on the housing. Lighting control that prevents the UV lamp 1 from being lit when a sensor A that detects the installation of the UV lamp 1 at 5 and a connector that supplies power in the absence of a detection signal from the sensor A are connected. By means of an ultraviolet sterilizer for water in a 24-hour bath water purification and circulation device comprising means 21, UV is detected by a sensor that detects installation of the UV lamp 1 in the housing 5. Amplifier is controlled not to light up in a state of being exposed.

  FIG. 3 is a sectional view of the ultraviolet sterilizer for water according to the present invention. The UV sterilizer for water is provided with a UV lamp 1 that emits a sterilization line of about 260 nm. Specifically, the UV lamp 1 is a straight tube type that is easy to manufacture, and is provided with electrodes 1a and 1a at both ends, one end (upper end) is held by a synthetic resin lamp base 2, and one electrode 1a ( A lead wire 1b as a nickel-plated wire that can be soldered to the outside protrudes from the upper end side), the upper end penetrates the lamp base 2, and the bare wire 1c from the electrode 1a on the other side (lower side) is also the lamp base. It penetrates two places.

  The outer tube 3 is closed at one end (lower end) and opened at the upper end (upper end), and is made of quartz or the like that allows easy passage of germicidal lines, and blocks the penetration of bath water into the UV lamp 1. The outer tube 3 is held and sealed to the inner periphery of the lower side cylinder portion 2a of the lamp base 2 via an adhesive or packing 4, and the outer tube 3 and the lamp base 2 are fixed.

  The housing 5 has a cylindrical shape, and its upper end is fixed to the opening 15a of the main body 15 of the bath water purifying and circulating apparatus for 24 hours, and an inner threaded portion 5a is formed on the inner periphery of the upper end, and the body in the vicinity thereof. An inflow port 5b is provided at the part, and an outflow port 5c is provided at the other end (lower end). An outer screw portion 2c provided on the outer periphery of the flange-shaped portion 2b of the lamp base 2 is screwed into the inner screw portion 5a of the housing 5, and the lamp base 2 and the housing 5 are configured to be detachable.

  Reference numeral 6 denotes an inverter circuit as a lighting circuit for generating a high frequency high voltage housed in the lamp base 2 and lighting the UV lamp 1, which is connected to the UV lamp 1 and is connected to the lamp base 2. Is provided. Reference numeral 6a denotes an inverter circuit cover of the inverter circuit 6, which prevents the user from directly touching the inverter circuit 6 that generates a high frequency high voltage. The inverter circuit lid 6a is bonded or screwed to the lamp base 2.

  Further, a lead wire 8a is connected from the inverter circuit 6 to the control unit of the main body, and is connected by a connector 8b on the way. The current flowing through the connector 8b and the lead wire 8a is a low-voltage current, which prevents dangers such as electric shock and sparks when the connector 8b is attached and detached. A cover 9 is provided to prevent the inverter circuit 6 and the UV lamp 1 from getting wet. The cover 9 is detachably provided on a cylindrical joint piece 15 b provided on the main body 15.

  A and B are sensors, which are composed of magnetic proximity switches 10a and 10b and magnets 11a and 11b, respectively. The magnetic proximity switch 10a is built in the inverter circuit 6. A magnet 11 a corresponding to the magnetic proximity switch 10 a is fixed to a protrusion on the inner surface of the cover 9. When the cover 9 is removed, that is, when the cover 9 is removed at a position other than a predetermined position by the sensor A including the magnetic proximity switch 10a and the magnet 11a, and there is no detection signal from the sensor A, the inverter circuit A lighting control means 21 for controlling the lighting of the UV lamp 1 that stops the current of 6 is provided, and is connected to a central processing unit (CPU) 20.

  The magnetic proximity switch 10b is built in the inverter circuit 6. The magnet 11b corresponding to the magnetic proximity switch 10b is fixed to the cylindrical joint piece 15b of the main body 15 of the 24-hour bath water purification and circulation device. When the lamp base 2 with the UV lamp 1 is separated from the main body 15 of the 24-hour bath water purification and circulation device, a lighting control means 21 is provided for controlling the lighting of the UV lamp 1 for stopping the current of the inverter circuit 6. A central processing unit (CPU) 20 is connected. The sensors A and B are provided in series, and when any one of them operates, the current in the inverter circuit 6 is stopped and the lighting of the UV lamp 1 is controlled.

  When the cover 9 is removed at a position other than the predetermined position, or when the lamp base 2 with the UV lamp 1 is separated from the main body 15 of the bath water purification and circulation device for 24 hours, the magnetic proximity switches 10a and 10b When the comparison means 23 compares the magnetic forces of the magnets 11a and 11b detected in advance with a predetermined magnetic force stored in the storage means 22, and it is determined that the magnetic force is less than the stored magnetic force, the inverter circuit The current of 6 is stopped.

  Reference numeral 24 is an alarm means for displaying alarm contents on the display device 25 when there is no detection signal from the sensor A or B, and is displayed on the central processing unit (CPU) 20. It is connected. The alarm content is, for example, “Please attach cover again”. Further, the alarm content may be output by light or an alarm.

  26 is an operation control means for controlling the circulation pump 27 not to operate when there is no detection signal from the sensor A or B, and is connected to the central processing unit (CPU) 20. ing. In FIG. 1, 28 is a heater for heating bath water, and 29 is an operation switch for starting and ending the bath water purifying and circulating apparatus for 24 hours.

  Next, the operation will be described with reference to a flowchart (see FIG. 2). First, after cleaning the outer tube 3 (once every 6 months) and replacing the UV lamp 1 (once every several years), as shown in FIG. 5, the UV lamp 1, the cover 9, and the connector 8b are not attached. The magnetic proximity switches 10a and 10b remain open. Therefore, as shown in FIG. 4, the UV lamp 1 and the lamp base 2 with the outer tube 3 are inserted into the housing 5. That is, the UV lamp 1 is attached (see S1). At this time, the magnetic proximity switch 10a senses magnetism (see S2) and determines whether the UV lamp 1 is properly attached (see S3). When the installation of the UV lamp 1 is not normal, the UV lamp 1 is prohibited from being turned on (see S4), and the alarm content is displayed on the display device 25 (see S5). Is, for example, “Please attach UV lamp again”.

  If the UV lamp 1 is normally attached, the cover 9 is attached to the main body 15 as shown in FIG. 3 (see S6). At this time, the magnetic proximity switch 10b senses magnetism (see S7) and determines whether the cover 9 is properly attached (see S8). When the attachment of the cover 9 is not normal, the lighting of the UV lamp 1 is prohibited (see S9), and the alarm content is displayed on the display device 25 (see S10). For example, “Please attach the cover again”. When the cover 9 is normally attached, that is, when there is a detection signal from the sensors A and B, the lighting control means 21 causes the current of the inverter circuit 6 to flow to start lighting the UV lamp 1. (See S11). And the operation | movement of the ultraviolet sterilizer for water is started (refer S12). Further, when there is a detection signal from the sensors A and B, the operation control means 26 starts the circulation pump 27 (see S13), and the bath water purification and circulation device is operated for 24 hours.

  In the second embodiment, the operation control means 26 of the circulation pump 27 is not provided in the first embodiment described above, and other configurations may be the same as those in the first embodiment. is there. A detailed description of the configuration and operation flowchart in this case is omitted. Furthermore, in the third embodiment, the alarm unit 24 may not be provided in the second embodiment, and other configurations may be the same as those in the second embodiment. A detailed description of the configuration and operation flowchart in this case is also omitted.

  In the above-described configuration, the UV lamp 1 and the outer tube 3 cannot be separated. However, as shown in FIG. 6, the outer tube base 12 fixed to the outer tube 3 and the lamp base 2 fixed to the UV lamp 1 are engaged. It is configured to be separable via the joint portion 13. The engaging portion 13 includes an engaging protrusion 13a and an engaged hole 13b. The engaging protrusion 13a is provided in the lamp base 2, and an engaged hole 13b that is appropriately engaged with the engaging protrusion 13a is provided in the outer tube base 12. The outer tube base 12 is configured to be separable. Specifically, the shaft portion of the engagement protrusion 13a is deformed so as to be disengaged from the engagement hole 13b so as to release the engagement of the engagement protrusion 13a, and the lamp base 2 and the outer tube base 12 Are separated. Even in such an embodiment, the configuration of the control unit and the flowchart are not changed.

The block diagram which shows the outline of the safety device of this invention Flow chart of the present invention Main part sectional view of the present invention Cross section of the main part of the safety device with the cover removed Sectional view of the UV lamp and outer tube removed from the water UV sterilizer Cross section of the type that can separate the UV lamp and the outer tube

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... UV lamp 2 ... Lamp base 3 ... Outer tube 5 ... Housing 9 ... Cover A, B ... Sensor 21 ... Lighting control means 24 ... Alarm means 26 ... Operation control means 27 ... Circulation pump

Claims (2)

A UV lamp that emits ultraviolet rays;
An outer tube covering the UV lamp and passing ultraviolet light and blocking the ingress of bath water;
A housing for housing the UV lamp and the outer tube and passing bath water;
An ultraviolet sterilizer for water in which a lamp base in which the outer tube and the UV lamp are integrated is configured to be detachable from the housing,
Connected with a lead wire having a connector connectable to supply power when the lamp base is mounted on the housing;
A sensor for detecting the installation of a lamp base incorporating the UV lamp in the housing;
When the lamp base is mounted on the housing and a detection signal from the sensor is detected and the connector is connected, the UV lamp is turned on,
When the lamp base incorporating the UV lamp is not properly installed in the housing and the connector is connected, the UV lamp is not turned on to protect the eyes from turning on the UV lamp in the absence of the sensor detection signal. An ultraviolet disinfection device for water in a 24-hour bath water purification and circulation device, characterized by comprising lighting control means for controlling. 2. The ultraviolet sterilizer for water in a 24-hour bath water purification and circulation device according to claim 1, further comprising alarm means for displaying an alarm when there is no detection signal from the sensor.

Images