CN216135508U - Sofa bed with electric control massage function - Google Patents

Abstract

The utility model discloses a sofa bed with an electric control massage function, which comprises an electric control massage device, a seat board, a backrest, an elastic hinge, fixed sofa bed legs and movable sofa bed legs, wherein the electric control massage device is arranged on the seat board, the backrest is combined with the seat board by the elastic hinge, and the electric control massage device consists of a low-frequency oscillator and an electric pulse output circuit. The utility model has the advantages that the electric pulse is used for promoting the blood circulation and stimulating the nervous system to relieve the fatigue of the human body, has certain effect on the adjuvant therapy of soft tissue injury, and has the functions of diminishing inflammation and easing pain for diseases such as lumbocrural pain, scapulohumeral periarthritis, arthritis and the like.

Description

Sofa bed with electric control massage function

Technical Field

The utility model belongs to the technical field of furniture, and particularly relates to a sofa bed with an electric control massage function.

Background

At present, a sofa bed is a bed with a soft cushion, belongs to furniture, and is widely applied to modern life because the sofa bed is comfortable to use in the life of people. The sofa bed includes bedplate and back, the back adopts the elasticity hinge to combine with the bedplate, when the back was placed with the bedplate level, the sofa bed can be used as the bed, when the back was L shape with the bedplate and was placed, the sofa bed can be used as the chair, the people can upper surface one side of back bedplate, make things convenient for the user to sit on the bedplate and lean on and have a rest on the back, the bedplate upper surface of current sofa is the preparation of flat plank, upper surface at the plank sets up cotton pad, thereby it is softer to sit at last sofa feel for the user, relatively more comfortable. With the rapid development of economic society, the use of tools greatly simplifies the work and life of people, so that the amount of exercise of people is lower and lower, and the activity amount during work is less and less. The lumbar and back parts are the parts of the human body which exert most force, support and protect the spine, and are easy to cause pain of the lumbar and back parts and cause lumbosacral chronic periosteal space syndrome when people who sit for a long time in offices and lack of movement or people who need to stand for a long time for working maintain a posture or posture for a long time. Therefore, the massage of the waist becomes an effective way for relaxing the waist and relieving fatigue, so that the sofa bed with the full-automatic electric control massage function is particularly important in order to enable people to be conveniently massaged and relaxed when sleeping and sitting.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a sofa bed with an electric control massage function.

The sofa bed comprises: the electric control massage device comprises a seat board, a backrest, an elastic hinge, fixed sofa bed legs and movable sofa bed legs, wherein the backrest is combined with the seat board by the elastic hinge, the electric control massage device is arranged on the seat board and consists of a low-frequency oscillator and an electric pulse output circuit, the low-frequency oscillator comprises a time-base integrated circuit ICl, a resistor R3, a resistor R4, a potentiometer RP2, a capacitor C3 and a capacitor C4 which are sequentially connected, a diode VD is connected with the resistor R4 and the potentiometer RP2 in parallel, the electric pulse output circuit comprises a transistor V, an electronic switch integrated circuit IC2, a capacitor Cl, a capacitor C2, a resistor Rl, a R2, a potentiometer RPl, a light-emitting diode VL, a boosting transformer T and an output socket XS, the transistor V, the light-emitting diode VL, the resistor R2 and the electronic switch integrated circuit IC2 are sequentially connected, the time-base integrated circuit ICl is connected with the transistor V by a capacitor C2, the electronic switch integrated circuit IC2, the capacitor Cl, the resistor Rl, the step-up transformer T, and the output socket XS are connected in sequence, and the potentiometer RPl is connected in parallel with the resistor Rl.

The sofa bed has the following beneficial effects: the sofa bed promotes blood circulation and stimulates the nervous system through electric pulse to relieve human fatigue, has obvious curative effect on adjuvant therapy of soft tissue injury, and has anti-inflammatory and analgesic effects on diseases such as lumbocrural pain, scapulohumeral periarthritis, arthritis and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the sofa bed of the present invention;

fig. 2 is a schematic circuit structure diagram of the electric control massage device of the sofa bed.

Detailed Description

The sofa bed of the present invention will be described in detail with reference to the accompanying drawings 1-2.

As shown in fig. 1, the sofa bed of the utility model comprises an electric control massage device 1, a seat board 3, a backrest 2, an elastic hinge 6, a fixed sofa bed leg 4 and a movable sofa bed leg 5, wherein the electric control massage device 1 is arranged on the seat board 3, the backrest 2 is combined with the seat board 3 by the elastic hinge 6, when the backrest 2 and the seat board 3 are horizontally placed, the sofa bed can be used as a bed, when the backrest 2 and the seat board 3 are placed in an L shape, a user can lean against one side of the upper surface of the seat board 3, and the sofa bed can be used as a chair; as shown in fig. 2, the electric control massage device of the sofa bed is composed of a low-frequency oscillator and an electric pulse output circuit, the low-frequency oscillator comprises a time base integrated circuit ICl, a resistor R3, a resistor R4, a potentiometer RP2, a capacitor C3 and a capacitor C4 which are connected in sequence, a diode VD is connected with the resistor R4 and the potentiometer RP2 in parallel, the electric pulse output circuit comprises a transistor V, an electronic switch integrated circuit IC2, capacitors Cl and C2 and a resistor Rl, r2, a potentiometer RPl, a light emitting diode VL, a step-up transformer T and an output socket XS, wherein a transistor V, the light emitting diode VL, a resistor R2 and an electronic switch integrated circuit IC2 are sequentially connected, a time-base integrated circuit ICl is connected with the transistor V through a capacitor C2, an electronic switch integrated circuit IC2, a capacitor Cl, a resistor Rl, the step-up transformer T and the output socket XS are sequentially connected, and a potentiometer RPl is connected with the resistor Rl in parallel.

The working principle of the sofa bed is described as follows: after a power switch S is switched on, a low-frequency oscillator is electrified to work, a low-level pulse signal is output from a pin 3 of a time-base integrated circuit IC1, the signal is added to a base electrode of V through C2 to control the working states of the V and an electronic switch integrated circuit IC2, when the low-frequency pulse signal output by the time-base integrated circuit IC1 is a positive pulse signal, the V is conducted, so that a pin 2 of the electronic switch integrated circuit IC2 becomes low level, an electronic switch in the electronic switch integrated circuit IC2 is switched on, a pin 4 outputs high level, and meanwhile VL emits light; when the low-frequency pulse signal output by the time base integrated circuit ICl is negative pulse, V is cut off, pin 2 of the electronic switch integrated circuit IC2 becomes high level, an electronic switch in the electronic switch integrated circuit IC2 is disconnected, pin 4 outputs low level, VL is extinguished, V and the electronic switch integrated circuit IC2 are alternately switched on and off at high speed under the action of the low-frequency pulse signal, VL flickers to emit light, and low-frequency pulse current is generated on a winding W2 of T; the low-frequency pulse current acts on the acupuncture points or fatigue and pain parts of the human body through two metal electrode plates or two rubber electrode plates (not shown in the figure) externally connected with the XS, namely, the human body is massaged and muscles are relaxed or the acupuncture points are stimulated. The intensity of the output electric pulse can be changed by adjusting the resistance value of RPl, so that the massage strength is changed, and the working frequency of the low-frequency oscillator can be changed within the range of 0.5-100Hz by adjusting the resistance value of RP2, so that the massage frequency is changed.

In a specific embodiment, the components of the electric control massage device of the sofa are selected as follows:

Rl-R4 is 1/4W carbon film resistor or metal film resistor;

RPl A WH-l5 series small synthetic carbon film potentiometer with switch is selected;

RP2 selects WH-l5 series small synthetic carbon film potentiometer without switch;

the Cl-C3 all adopt aluminum electrolytic capacitors with the withstand voltage value of 16V;

c4 is monolithic capacitor;

VD adopts a 1N4148 type silicon switch diode;

a green light emitting diode with phi of 3mm is selected for VL;

v adopts an S005O NPN transistor;

the time-base integrated circuit ICl adopts an NE555 type time-base integrated circuit, and the electronic switch integrated circuit IC2 adopts a TWH8751 type electronic switch integrated circuit;

t adopts a power transformer with 1-2W and 6V secondary voltage, and a primary winding (winding W2) of the power transformer is connected with XS;

XS selects a sound channel earphone socket;

the CB adopts 6V laminated batteries or 4-section No. 5 rechargeable batteries, and can also use 6V small-sized direct-current stabilized power supply.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present disclosure should be covered within the scope of the present invention claimed in the appended claims.

Claims (2)

1. A sofa bed with an electric control massage function is characterized by comprising: the electric control massage device is arranged on the seat board, the backrest is combined with the seat board by the elastic hinge, and the electric control massage device is composed of a low-frequency oscillator and an electric pulse output circuit.

2. The sofa bed with the electric control massage function as claimed in claim 1, wherein the low frequency oscillator comprises a time base integrated circuit ICl, a resistor R3, a resistor R4, a potentiometer RP2, a capacitor C3, a capacitor C4 which are connected in sequence, and a diode VD is connected in parallel with the resistor R4 and the potentiometer RP 2; the electric pulse output circuit comprises a transistor V, an electronic switch integrated circuit IC2, a capacitor Cl, a C2, a resistor Rl, a resistor R2, a potentiometer RPl, a light emitting diode VL, a step-up transformer T and an output socket XS, wherein the transistor V, the light emitting diode VL, the resistor R2 and the electronic switch integrated circuit IC2 are sequentially connected, the time base integrated circuit ICl is connected with the transistor V through the capacitor C2, the electronic switch integrated circuit IC2, the capacitor Cl, the resistor Rl, the step-up transformer T and the output socket XS are sequentially connected, and the potentiometer RPl is connected with the resistor Rl in parallel.

Images