CN106667631B - A kind of respiratory air flow controlling switch - Google Patents

Abstract

The invention discloses a respiratory air flow control switch, which has an elliptical cylindrical appearance and an outer layer made of soft elliptical silica gel. The main body is located in the silica gel layer and consists of upper and lower layers of cuboids with a square groove in the middle and triangular bosses in the groove. A wire is embedded in each cuboid, one end of the wire is suspended in the air, the other end is connected to the boss in the corresponding cuboid, and the elastic film and the conductive plate are respectively connected through the boss. A cavity for air flow is formed between the two cuboids, and the cavity is divided into upper and lower cavities by the boss and the elastic film. There is a certain distance between the free end of the elastic membrane and the lower boss, and when breathing normally, the airflow can pass through the slit bell. When the airflow speed increases, the pressure under the elastic film decreases, causing the film to bend downwards, and the protruding end of the film end contacts the conductive plate to realize the conduction of the upper and lower wires. The product is fast in response, light in weight, has no pressure on the nasal cavity, and does not affect normal breathing.

Description

A breathing airflow control switch

technical field

The invention relates to the field of control switches, in particular to a respiratory airflow control switch, which can be used to control various electrical switches.

Background technique

In the hospital, we often see patients who cannot move, or people who cannot move their fingers. When there is no one to take care of them, they cannot control some common electrical appliances, such as the control of electric lights and air conditioners. It brings great inconvenience to real life.

The original design intention of the present invention is to achieve the purpose of using the breathing airflow to send out electrical pulse signals, and on this basis, it can further control the surrounding electrical equipment. The main principle is to use the pressure difference of respiratory airflow to realize the action of the conductive film, so as to complete the conduction and electrification of the wire.

Contents of the invention

The present invention provides a breathing airflow control switch, especially when people cannot control the surrounding electrical appliances by hand, the breathing airflow control switch can be used to start various electrical appliances or control applications in more complicated occasions, see the following description for details:

A respiratory airflow control switch, the overall appearance is an elliptical cylinder,

The outer layer is composed of soft oval silica gel, and the body part is set in the silica gel layer, which is composed of upper and lower layers of cuboids, with square grooves in the middle, and triangular bosses in the grooves;

A wire is embedded in each cuboid, one end of the wire is suspended in the air, the other end is connected to the boss in the corresponding cuboid, and connected to the elastic film and the conductive plate respectively through the boss;

A cavity for airflow is formed between the two cuboids, and the cavity is divided into upper and lower cavities by the upper and lower bosses and the elastic film;

There is a certain distance between the free end of the elastic film and the lower boss, and the airflow can pass through the gap when breathing normally;

When the air velocity increases, the pressure under the elastic film decreases, causing the elastic film to bend downwards, and the elastic film part contacts with the conductive plate to realize the conduction of the upper and lower wires.

A protruding tip structure is provided above the free end of the elastic film, and when the elastic film is bent, the tip structure is in contact with the conductive plate.

The inner hole shape of the oval silica gel layer is a square hole. The length of the elastic film is less than the center distance between the upper and lower triangular bosses.

The width of the elastic film is smaller than the width of the square groove.

The beneficial effects of the technical solution provided by the present invention are: the breathing air flow control switch can realize the start-up of various electrical appliances or the control application of more complicated occasions; Normal breathing meets various needs in practical applications.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the respiratory airflow control switch;

Fig. 2 is the left side view of breathing airflow control switch;

Fig. 3 is a structural diagram of the upper cuboid.

In the accompanying drawings, the list of each component representative is as follows:

1: Oval silicone layer; 2: Wire embedded in the upper square;

3: Wires are embedded in the lower square body; 4: Upper rectangular body;

5: Upper triangular boss; 6: Lower cuboid;

7: Lower triangular boss; 8: Elastic film;

9: Conductive plate.

detailed description

In order to make the purpose, technical solution and advantages of the present invention clearer, the implementation manners of the present invention will be further described in detail below.

In hospitals, we often see patients who can't move, or people who can't move their fingers. In this case, people can control the surrounding electrical appliances by controlling the breathing airflow speed through the breathing airflow control switch designed in the embodiment of the present invention. For example: controlling air conditioners or electric lights, and in other cases even complex processes such as electronic games, which meet various needs in practical applications.

Example 1

In order to achieve the above purpose, referring to FIG. 1 , the technical solution adopted by the embodiment of the present invention is to realize the contact and disconnection between the electrodes by using the respiratory airflow pressure. The respiratory airflow control switch includes: an elliptical silica gel layer 1, a cuboid with square grooves up and down (upper cuboid 4 and lower cuboid 6), wires embedded in the cuboid (wire 2 embedded in the upper cuboid and lower cuboid The embedded wire 3), the upper and lower triangular bosses (the upper triangular boss 5 and the lower triangular boss 7), the upper triangular boss 5 is provided with an elastic film 8, and the lower triangular boss 7 is provided with a conductive plate 9.

The elliptical silicone layer 1 fits closely with the nostrils, and its soft surface will not cause damage to the nostrils and has a sealing effect. The shape of the inner hole of the oval silica gel layer 1 is a square hole, which can well wrap up the upper and lower cuboids (4 and 6). The rectangular body (4 and 6) is provided with a square groove, and its square groove is built into the oval silica gel layer 1 after facing each other. The function of the triangular boss structure in the square groove is to combine with the elastic film 8 to form upper and lower cavities, and the elastic film 8 is on the interface between the upper and lower cavities.

During specific implementation, the width of the elastic film 8 is smaller than the width of the square groove, so as to avoid friction during movement.

The length of the elastic film 8 is less than the distance between the centers of the two triangular bosses (the upper triangular boss 5 and the lower triangular boss 7), so that when breathing normally, the airflow can flow through the gap formed by the elastic film 8 and the lower triangular boss 7 .

The embodiments of the present invention may be applied to different occasions according to different scenarios. The most direct usage is to connect the two wires of the product to the weak signal input of the controlled object. For example: In some occasions, this product can be used to control the actions of surrounding electronic equipment.

The product can be used as an electric pulse signal source, and intermediate links such as relays (the embodiment of the present invention does not limit the model and type of intermediate equipment such as relays, as long as they can realize the above functions) and other intermediate links between the control electrical appliances, Or directly use the control chip, and use the electric pulse signal source as the switch signal to start the electrical appliance in the next step. It can also be connected to the mobile phone through an intermediate device to control the application program in the mobile phone. For example, it can be realized by connecting the earphone interface of the mobile phone. The signal generated by the conduction of the two wires is set as a pulse signal. The application can be used as a trigger signal to trigger the application to control the mobile phone.

To sum up, the embodiment of the present invention provides a respiratory airflow control switch, especially when people cannot control the surrounding electrical appliances by hand, the respiratory airflow control switch can be used to start various electrical appliances or control applications in more complex situations.

Example 2

The scheme in embodiment 1 is introduced in detail below in conjunction with Fig. 2 and Fig. 3, see the following description for details:

In FIG. 1 , the grooved sides of the upper cuboid 4 and the lower cuboid 6 are bonded to each other and embedded in the oval silicone layer 1 , the positional relationship is shown in FIG. 2 .

In the upper cuboid 4 and the lower cuboid 6, the upper cuboid embedded wire 2 and the lower cuboid embedded wire 3 are respectively embedded, and a section of them leaks in the air, and the other end extends to the upper triangular boss 5 and the lower triangular boss respectively. The platform 7 is finally connected to the elastic film 8 and the conductive plate 9 respectively.

In FIG. 3 , an upper triangular boss 5 is arranged in the square groove of the upper cuboid 4 , and an elastic film 8 is suspended on one side thereof. The width of elastic film 8 is slightly smaller than the inner groove width of upper cuboid 4, so as to avoid friction in moving.

The length of the elastic membrane 8 is also less than the distance between the centers of two triangular bosses. In this way, during normal breathing, the airflow can flow through the gap formed by the elastic film 8 and the lower triangular boss 7 .

Further, the upper part of the free end of the elastic film 8 is provided with a protruding tip structure, which is used to contact and conduct electricity with the conductive plate 9 on the lower triangular boss 7 when the elastic film 8 bends downward, and avoid the elastic film 8 is in full contact with the conductive plate 9 and hinders the smooth circulation of the airflow.

During specific realization, it should be ensured that one end of the wire (2 and 3) leaks out of the nostril. The voltage of the two wires connected to the circuit cannot exceed 5V.

Wherein, the operating principle of the respiratory airflow control switch in Embodiments 1 and 2 is as follows:

The respiratory airflow control switch utilizes the pressure of the respiratory airflow to realize the conduction and disconnection of the two conductive electrodes (2 and 3). The breathing time of a person is about 3 to 5 seconds, which determines the airflow speed through the nostrils. The thickness and elasticity of the elastic membrane 8 ensure that under normal breathing, it will not bend downward so as to contact the conductive plate 9 below.

When the breathing speed is increased, the pressure difference between the upper and lower surfaces of the elastic membrane 8 increases, so that the bending angle of the elastic membrane 8 increases, so that the elastic membrane 8 contacts the conductive plate 9 below to realize connection. Along with exhaling air, elastic film 8 gets back to original position again, realizes disconnection.

In the embodiments of the present invention, unless otherwise specified, the models of the devices are not limited, as long as they can complete the above functions.

Those skilled in the art can understand that the accompanying drawing is only a schematic diagram of a preferred embodiment, and the serial numbers of the above-mentioned embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (5)

1. A respiratory airflow control switch, the overall appearance is an oval cylinder, characterized in that, The outer layer is made of soft elliptical silica gel, and the body part is set in the silica gel layer, consisting of upper and lower layers of cuboids. There is a square groove in the middle of each cuboid, and the upper triangular boss and the lower triangular boss are respectively arranged in the groove. ; A wire is embedded in each rectangular body, one end of the wire is suspended in the air, and the other end is connected to the upper triangular boss or the lower triangular boss in the corresponding rectangular body, the elastic film is connected through the upper triangular boss, and the lower triangular boss is connected to the elastic film. Connect the conductive plate; A cavity for air flow is formed between the two cuboids, and the cavity is divided into upper and lower cavities by the upper triangular boss, the lower triangular boss and the elastic film; There is a certain distance between the free end of the elastic membrane and the lower triangular boss, and the airflow can pass through the gap when breathing normally; When the air velocity increases, the pressure under the elastic film decreases, causing the elastic film to bend downwards, and the elastic film part contacts with the conductive plate to realize the conduction of the upper and lower wires. 2. A respiratory airflow control switch according to claim 1, characterized in that a protruding tip structure is provided above the free end of the elastic film, and when the elastic film is bent, the tip structure and the conductive plate contact. 3 . The respiratory airflow control switch according to claim 1 , wherein the shape of the inner hole of the oval silicone layer is a square hole. 4 . 4 . The respiratory airflow control switch according to claim 1 , wherein the length of the elastic film is smaller than the center distance between the upper triangular boss and the lower triangular boss. 5. The respiratory airflow control switch according to any one of claims 1 to 4, wherein the width of the elastic film is smaller than the width of the square groove.