JPS6187522A - Cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a locking machine for use in general households.

Conventional configuration and its problems Traditionally, this type of vacuum cleaner has a vacuum cleaner main body 1, a hose 2, a floor nozzle 3, etc., as shown in FIG. It is common to turn on and off the power supply of the electric blower 1 housed inside the blower 1.

Further, a dust indicator 5 is provided on the right side of the vacuum cleaner body 1, and has the function of informing the user of the presence or absence of dirt clogging.

FIG. 5 shows a cross-sectional view of a conventional vacuum cleaner main body 1. Inside the vacuum cleaner main body 1, there is an electric blower 6 and a dust collection paper bag 7, and the dust sucked in from the hose 2 is transferred to the vacuum cleaner main body 1. Dust is collected inside 7, and only air is exhausted from the exhaust port E3. The dust indicator 5 is composed of a vibrator 9, a spring 10, and a finger body 11, and is operated by the differential pressure between the internal pressure inside the vacuum cleaner body and the air pressure. For example, when the amount of dust inside the paper bag 7 increases, the internal pressure inside the vacuum cleaner body 1 decreases, and the balance between the spring 10 and the pointer 11 is lost, causing the pointer 11 to lose its balance.
1 moves to the dust collection chamber side. Therefore, from the outside, finger ω1 body 1
By confirming the position of No. 1, the user is informed that there is a dirt blockage.

However, if the indicators 1 to 5 are configured on the vacuum cleaner body 1 side in this way, there is a drawback that it is difficult for the user to recognize the dirt clogging state (II) while cleaning, and the usability is extremely poor. Furthermore, since the dust indicator 5 is displayed by a simple pointer 11, it has the disadvantage that it is difficult to see.

OBJECTS OF THE INVENTION An object of the present invention is to provide a vacuum cleaner that is easy to use and allows the user to easily check whether the vacuum cleaner is clogged with dirt even during cleaning.

Structure of the Invention The vacuum cleaner of the present invention is characterized in that a dust clogging detection section is provided in the vacuum cleaner body, and a display section for displaying the detection state of the dirt clogging detection section is provided at the tip of a hose extending from the vacuum cleaner main body. shall be.

DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

FIG. 1 shows a dust clogging detection section (2) of a dust indicator provided in the vacuum cleaner body of the vacuum cleaner of the present invention. 101 is a transparent pipe whose one end (■) communicates with the dust collection chamber; 102 is a compression spring; 103 is a pointer body that can slide within the transparent vibrator 101 and is biased toward the other end (■) of the transparent vibrator 101 by the compression spring 102; A magnet 104 is embedded inside. 106 is a reed switch disposed close to the transparent pipe 101.

If dust clogging occurs in the above configuration, the internal pressure of the dust collection chamber inside the vacuum cleaner body decreases, so the transparent pipe 101
Pressure is applied to the phase open/close 103 from the opening 105 at the other end (2), the compression spring 102 contracts, and the pointer 103 moves toward the one end H side of the transparent pipe 1 (11. Pointer 103
When the reed switch 106 moves to a predetermined position, the reed switch 106
is sensitive to the magnet 104 of the pointer body 103 and enters the make-up state. J: When the sea urchin is clogged with garbage, the reed switch 106 closes and normally opens.

FIG. 2 shows the electrical circuit of the vacuum cleaner of the invention. The AC power supply includes an electric feed rIil 107 and a bidirectional 1 Nyristor.
108 series circuits are connected. Also, DC power supply Vc
c is a resistor 109 and a variable resistor 1 of the hand switch section 112 provided at the tip of the hose extending from the vacuum cleaner body.
A series circuit with 10 is connected.

A voltage determined by the division ratio between the resistor 109 and the variable resistor 110 is applied to the non-inverting input terminal (+) of the operational amplifier 111. Further, a series circuit of a Tina diode 113 and a light emitting element 114 such as a light emitting diode or a lamp is connected to the hand switch section 112 in parallel with the variable resistor.

115 is a hand ON-OFF switch. ' -5= Furthermore, the output terminal of the operational amplifier 111 is connected to the base of the transistor 117 via the resistor 11G,
The collector is connected to the (''-) terminal of the diode bridge 118, and the emitter is connected to the diode bridge 1 through a resistor 119.
No. 18 is connected to the ) terminal. Also, operational amplifier 1
The (-) terminal of transistor 11 and the emitter of transistor 117 are connected.

Here, the voltage V^ at the non-inverting input terminal (+) of the operational amplifier 111 and the voltage VB at the inverting input terminal (-) are almost equal, and the emitter voltage VE of the transistor 117 is V
When the value of the resistor 119 is R, the emitter current Iε becomes It=(VE/R)=(VA/R) and is proportional to V^, forming a constant current circuit. Therefore, the AC terminal side of the diode bridge 118 also becomes a constant current drive, and the capacitor 120 is charged with a constant current. Resistor 121 is for overcurrent protection. Here capacitor 12
When the voltage across the thyristor 108 reaches the breakover voltage of the trigger element 122, the charge in the capacitor 120 flows into the bidirectional thyristor 108, turning it on and turning the electric transmission I
Power is supplied to j31107. By varying the value of the variable resistor 110 of the J: sea urchin hand switch section 112, the charging speed of the capacitor 120 is changed and the phase of the electric blower 107 can be suppressed.

Furthermore, the DC power supply VCC and the non-inverting input terminal (+) of the oil cylinder amplifier 111 It! l is connected to the open switch 106 as shown in Fig. 1, and when dust clogging occurs, the non-inverting input terminal (''-) is connected to Vcc and V^ becomes VCC.
It becomes equal. When V^ becomes equal to Voc, the voltage across the Zener diode 113 exceeds the Zener voltage.
14 is supplied with current and lights up. In this way, the light emitting element 114 lights up in the hand switch section 112 to indicate that the dust is clogged. Note that here, the Zener voltage is the variable resistor 1.
It shall be selected to be higher than the VA value when the value of 10 is maximized.

FIG. 3 shows a plan view of the hand switch section 112.

Reference numeral 123 denotes a rotary pipe at the tip of the hose extending from the main body of the vacuum cleaner, and on this rotary pipe 123 are mounted a variable resistor 110 with input positions of OFF → WEAK → STANDARD → STRONG, and the light emitting cord 11.
4 is installed, and the user can install the electric blower 1 at hand.
07 input control and dust clogging detection display. In the embodiment shown in FIG. 3, the on-off switch 115 is set to the closed state by setting the ON/OFF position of the variable resistor 110 to "1 OFF".

In the above embodiment, the dust clogging detection section is composed of a transparent pipe 101, a compression spring 102, a magnet 1, a human pointer 103, and a reed switch 106. The same effect can be obtained.

As described in the detailed description of the invention, the vacuum cleaner of the present invention is provided with a dust clogging detection part in the vacuum cleaner body, and a display part for displaying the detection status of the dust clogging detection part at the tip of the hose extending from the vacuum cleaner body. Because of this, it is no longer necessary to look at the vacuum cleaner itself to check whether it is clogged with dirt, and the hand part is very easy to see for the user while cleaning. .

Furthermore, when a light-emitting element is used as the display section, the display becomes easier to read, allowing the user to quickly recognize that a dirt blockage has occurred, and its practical value is extremely high. .

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a dust clogging detection section used in the vacuum cleaner of the present invention, Fig. 2 is an electric circuit diagram of an embodiment of the vacuum cleaner of the present invention, and Fig. 3 is an illustration of an embodiment of the vacuum cleaner of the present invention. FIG. 4 is a perspective view of a conventional vacuum cleaner, and FIG. 5 is a sectional view of a main part of FIG. 4. DESCRIPTION OF SYMBOLS 1...Vacuum cleaner body, 2...Hose, 101...Transparent pipe, 102...Compression bow, 103...Pointer body, 104...Magnet, 10G...Reed switch, 107 ...Electric blower, 108...Bidirectional 1]-iristor, 110...Variable resistor, 112...
・Hand switch part, 114...Light emitting element agent
Yoshihiro Morimoto @ Figure 1

Claims (1)

[Scope of Claims] 1. A vacuum cleaner in which a dust clogging detection section is provided in the vacuum cleaner body, and a display section is provided at the tip of a hose extending from the vacuum cleaner body to display the detection status of the dirt clogging detection section. 2. The dust clogging detection unit is made of a transparent pipe with one end communicating with the dust collection chamber and the other end being open, and a magnet that is slidable inside the transparent pipe and biased by a spring to the other end of the transparent pipe. It is composed of a pointer body in which is embedded, and a reed switch disposed close to the transparent pipe so as to respond when the pointer body moves a predetermined amount toward the one end of the transparent pipe against the force. 2. The vacuum cleaner according to claim 1, wherein the part is configured to switch the blinking state of the light emitting element in response to the operation of the reed switch. 3. A patent claim characterized in that the display section is disposed near an input control section that is disposed at the tip of a hose extending from the vacuum cleaner body and suppresses power consumption of an electric blower built into the vacuum cleaner body. A vacuum cleaner according to item 1 of the scope.