JP2001286423A - Central cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a central cleaner which is little affected by electric wave noises from the motor fan in the main body. SOLUTION: In this central cleaner, a unit of a control board 20 and an antenna 18, which is the antenna circuit of the main body 1, is disposed on the opposite side of where the motor fan 12 is installed with respect to the central axis of the width, the height or the depth of the main body 1, thereby preventing the improper actions due to the electric wave noises from the motor fan 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a central cleaner.

[0002]

2. Description of the Related Art A conventional central cleaner will be described below with reference to FIGS.

In the block diagram of the operation control means shown in FIG. 7, reference numeral 2 denotes a wireless communication control means, which is an operation means 19 of the operation unit 14 at hand.
The signal from the hand signal transmitting means 23 by operating is converted into wireless communication information and sent to the wireless communication means 3. Both are arranged in the connection pipe section 4. Reference numeral 5 denotes a power source for indoor wiring in each room, which is a power source for the nozzle 10. Reference numeral 7 denotes a signal processing unit which converts a signal received by the wireless communication unit 8 of the main body 1 into a phase control signal, and drives the motor fan 12 by the electric blower driving unit 11 according to the signal controlled by the phase control unit 9.

Reference numeral 20 denotes a control board having a signal processing means 7, a radio communication means 8, and a phase control means 9. As shown in FIG. 6, an antenna 18 that protrudes and retracts from the outer surface is provided on one surface of the main body 1, and controls communication with the wireless communication means 3 built in the connection pipe unit 4.

The operation of the above construction will be described. The connection pipe 4 of the cleaning unit 13 is connected to the insertion port 33 provided in each room, and the operation is started by operating the operating means 19 of the hand operation unit 14. Then, the signal is transmitted from the hand signal transmission means 23 through the hose 6, converted into wireless communication information by the wireless communication control means 2 of the connection pipe 4, transmitted from the wireless communication means 3 of the cleaning unit 13, and transmitted to the antenna of the main body 1. This is received at 18 and the wireless communication means 8 in the main body 1 is received.
The motor fan 12 is rotated by the electric blower driving means 11 according to the signal controlled by the phase control means 9 and the suction is started.

[0006]

In such a conventional configuration, the distance between the cleaning unit 13 and the main body 1 and the distance between the cleaning unit 13 and the main body 1 and the distance between the main body 1 and the house are different because wireless communication is performed between the cleaning unit 13 used indoors and the main body 1 outdoors. Depending on the environment such as the form, wireless transmission / reception may be difficult, and the location of the main body 1 may be restricted, or the operation of the motor fan 12 may be affected by radio wave noise, so that accurate driving operation may not be possible. There was a problem that sometimes did not occur.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has been devised by arranging a place and a method of arranging a wireless transmitting / receiving antenna provided on a main body to facilitate wireless transmitting / receiving. The purpose is to make the installation location of the main body relatively free, eliminate malfunctions due to radio noise from the motor fan, and perform more accurate operation control by wireless transmission and reception.

[0008]

To achieve the above object, the present invention provides a central cleaner for controlling the operation of the main body by wireless transmission and reception between the cleaning unit and the main body. By arranging an antenna circuit for receiving a radio signal on the side width or height of the main body, or on the substantially opposite side of the motor fan arrangement position with respect to the center axis of the depth, a wireless transmitting / receiving antenna provided on the main body is provided. The location and location of the unit should be devised to facilitate wireless transmission and reception, and the installation location of the main unit should be relatively free.Also, malfunctions due to radio noise from the motor fan should be eliminated, and more accurate operation control by wireless transmission and reception should be performed. It is possible to improve the installation workability and the spread rate.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION
A main body having a built-in motor fan for dust suction, and a central cleaner for controlling the operation of the main body by wireless transmission / reception between the cleaning unit and the main body; and an antenna circuit for receiving a radio signal from the cleaning unit. By arranging the main unit on the opposite side of the motor fan arrangement location with respect to the center axis of the width, height, or depth of the main body, the influence of radio wave noise due to the operation of the motor is reduced, and malfunction is eliminated. It can be controlled.

According to a second aspect of the present invention, a moving antenna terminal is provided in an antenna circuit, and a moving antenna wire can be attached to the moving antenna terminal. Therefore, the transmission and reception of the wireless communication control can be improved.

According to a third aspect of the present invention, the influence of noise on the antenna line is obtained by forming the moving antenna line with a coaxial line, connecting the antenna to the center conductor, and grounding the outer conductor. Don't take it.

According to a fourth aspect of the present invention, a magnet is provided on a fixture for a moving antenna, the fixture is formed of an electrically insulating material such as a synthetic resin, and can be detachably attached to an outer shell of the main body. This makes it possible to easily mount the antenna on the outer surface of the main body, for example, on the metal surface, and to install the antenna at a position where the radio wave condition is good.

According to a fifth aspect of the present invention, the antenna control circuit of the main body is provided with a fixed antenna circuit and a moving antenna circuit, and the antenna control circuit of the main body is operated by one of the two antenna circuits. By providing the means, it is possible to select an antenna with a good radio wave condition and to always perform stable wireless communication control.

[0014]

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings. Note that the same parts as those in the conventional example are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 1, a unit having an antenna 18 as an antenna circuit and a control board 20 is arranged on the opposite side of the motor room 15 in which the fan motor 12 of the main body 1 is built. Built-in board case 1
6, which extend and retract from the board case 16.
Are formed to constitute the extendable antenna 18.

As shown in FIG. 2, an antenna terminal 21 is provided on the control board 20 and a lid 21 is formed on the board case 16 so that the moving antenna wire 25 can be connected freely, and as shown in FIG. A magnet 27 is provided on a mounting member 26 of the antenna 28, and the mounting member 26 is an electrically insulating material.
For example, it is formed of a synthetic resin or the like, and the outer shell of the metal main body 1 and the moving antenna 28 are configured to be in an electrically insulated state. ing.

As shown in FIG. 4, the antenna 18 provided on the control board 20 of the main body 1 and the moving antenna 28 attached to the antenna terminal 21 via the moving antenna wire 25 are provided inside the control board 20. Only the selected radio signal is amplified by the signal amplifying unit 41 and transmitted to the wireless communication unit 8 of the main unit 1.

The operation of the above configuration will be described. The operation is started by connecting the connection pipe 4 of the cleaning unit 13 to the insertion port 23 provided in each room and operating the operation means 19 of the hand operation unit 14. Then, the signal is transmitted from the hand signal transmission means 23 through the hose 6, converted into wireless communication information by the wireless communication control means 2 of the connection pipe 4, transmitted from the wireless communication means 3 of the cleaning unit 13, and transmitted to the antenna of the main body 1. This is received at 18 and the wireless communication means 8 in the main body 1 is received.
The motor fan 12 is rotated by the electric blower driving means 11 according to the signal controlled by the phase control means 9 and the suction is started.

The operation of the above configuration is as follows.

First, an antenna 18 serving as an antenna circuit and a control board 20 are provided on the opposite side of the motor chamber 15 of the main body 1.
The telescopic antenna 18 is provided by extending and retracting from the substrate case 16 having the telescopic antenna, and the telescopic antenna 18 is provided. The wireless transmission / reception with the cleaning unit 13 is ensured because the antenna 18 can be removed and extendable.

Further, a moving antenna wire 25 is connected to an antenna terminal 21 provided on the control board 20, and a magnet 27 provided on a fixture 26 of the moving antenna 28 is used.
The antenna 18 is easily attached to the outside of the metal body 1 and
Similarly, when wireless communication control is performed using the moving antenna 28, the influence of noise due to the operation of the motor fan 12 can be reduced, and wireless transmission and reception can be more reliably performed.
Furthermore, the installation location of the main body can be selected relatively freely. Further, the antenna terminal 21 is provided, the moving antenna wire 25 is connected, and the mounting position of the moving antenna 28 can be easily changed, so that the movement of the wireless communication radio wave to a favorable position can be adjusted. Even when the cleaning unit 13 is separated from the cleaning unit 13, it is possible to perform communication at a greater distance by, for example, installing the moving antenna 28 at an intermediate point between the two.

As shown in FIG. 4, the antenna 18 provided on the control board 20 of the main body 1 and the moving antenna 28 attached to the antenna terminal 21 via the moving antenna wire 25 are provided in the control board 20. Only the selected wireless signal selected by the selected antenna selecting means 40 is amplified by the signal amplifying means 41, and the wireless signal is transmitted to the wireless communication means 8 of the main body 1. This makes it possible to provide a central cleaner that selects an antenna with a good wireless transmission / reception state by the antenna selection means 40 and ensures the driving operation.

[0023]

According to the first aspect of the present invention,
By arranging the antenna circuit for receiving the radio signal from the cleaning unit on the opposite side of the motor fan arrangement position with respect to the center axis of the width, height, or depth of the main body, radio wave noise due to operation of the motor. Can be reduced, and wireless transmission / reception can be made more reliable.

According to the second aspect of the present invention, since the moving antenna terminal is provided on the control board of the board case and the moving antenna wire can be attached, the installation place of the antenna can be freely changed. As a result, transmission / reception of wireless control can be improved.

According to the third aspect of the present invention, the antenna line is formed by a coaxial line, the antenna is connected to the center conductor, and the outer conductor is grounded, so that the antenna line is affected by noise. There will be no.

According to a fourth aspect of the present invention, a magnet is provided on a fixture for a moving antenna, and the fixture is formed of an electrically insulating material, such as synthetic resin, and is detachably formed. The antenna can be easily attached to, for example, the outer shell of the main body on a metal surface, and the antenna can be installed at a position where the radio wave condition is good.

According to a fifth aspect of the present invention, a fixed antenna circuit and a movable antenna circuit are provided in a control circuit of the main body, and a selection means for operating one of the two antennas is provided in the control circuit. By selecting an antenna having a good radio wave condition, stable wireless control can always be performed.

[Brief description of the drawings]

FIG. 1 is a front view of a central cleaner showing one embodiment of the present invention.

FIG. 2 is a sectional view of a main part of the central cleaner.

FIG. 3 is an installation state diagram of a moving antenna of the central cleaner.

FIG. 4 is a block diagram of operation control of an antenna selection unit of the central cleaner.

FIG. 5 is a schematic view showing an installation state of a conventional central cleaner.

FIG. 6 is a front view of the central cleaner.

FIG. 7 is a block diagram of operation control of the central cleaner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Wireless communication control means 3 Wireless communication means 4 Connection pipe part 5 Indoor commercial power supply 8 Main body side wireless communication means 13 Cleaning unit 15 Motor room 16 Substrate case 17 Telescopic part 18 Antenna 20 Control board 21 Antenna terminal 22 Lid body 25 Moving antenna line 26 Mounting plate 27 Magnet 28 Moving antenna

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hidetoshi Imai 1006 Kazuma Kadoma, Kadoma City, Osaka F-term in Matsushita Electric Industrial Co., Ltd. 3B057 DA03 DA08 DE05

Claims (5)

[Claims] 1. A main body having a built-in motor fan for sucking dust, and a central cleaner for controlling operation of the main body by wireless transmission and reception between the cleaning unit and the main body, wherein a radio signal from the cleaning unit is transmitted. A central cleaner in which an antenna circuit to be received is arranged substantially opposite to the motor fan arrangement position with respect to a central axis of a width, a height, or a depth of the main body. 2. The central cleaner according to claim 1, wherein a moving antenna terminal is provided in the antenna circuit, and a moving antenna wire can be attached to the moving antenna terminal. 3. The central cleaner according to claim 1, wherein the moving antenna line is formed of a coaxial line, the antenna is connected to the center conductor, and the outer conductor is grounded. 4. The mobile antenna according to claim 1, wherein a magnet is provided on the mounting member, and the mounting member is formed of an electrically insulating material such as a synthetic resin and can be detachably attached to the outer shell of the main body.
The stated central cleaner. 5. An antenna provided in an antenna control circuit of a main body, a plurality of antennas for a moving antenna are provided, and a selection means for operating any one of the plurality of antennas on an antenna control circuit of the main body is provided. The central cleaner according to any one of Items 1 to 4.