CN113104183A

CN113104183A - Mixed type closed type circulating respiratory system

Info

Publication number: CN113104183A
Application number: CN202110578461.7A
Authority: CN
Inventors: 初佳龙
Original assignee: Shenzhen Akuana Diving Equipment Co ltd
Current assignee: Shenzhen Akuana Diving Equipment Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-07-13
Also published as: CN114750904A

Abstract

The invention discloses a mixed closed type circulating respiratory system, which comprises: a box body provided with a breathing pipeline; the circulating breathing device is fixed in the box body and comprises a first lung bag connected with one end of the breathing pipeline, a second lung bag connected with the other end of the breathing pipeline and adsorbent tanks respectively connected with the first lung bag and the second lung bag, and the adsorbent tanks are used for adsorbing carbon dioxide in exhaled air; and the mixed oxygen supply device comprises an oxygen tank provided with oxygen, a diluent gas tank provided with mixed gas, and automatic gas adding valves respectively connected with the oxygen tank and the diluent gas tank, wherein the automatic gas adding valves are connected with the first lung bag. By adopting the design, the oxygen can be recycled, the deep submergence can be realized for a long time when the oxygen-enriched air-conditioning system is used, and the cost is saved.

Description

Mixed type closed type circulating respiratory system

Technical Field

The invention relates to the field of diving, in particular to a mixed type closed circulation breathing system.

Background

A closed circulating respiratory system, CCR for short, is a respiratory device used in diving. In the prior open type scuba diving, air is directly exhausted to the sea after oxygen metabolism of a human body, only about 5-6% of oxygen in the air is used in the oxygen metabolism process, and the rest oxygen is exhausted together with inert gas, so that the gas waste is caused during diving, and the diving time is shortened. When people dive, one key factor limiting their diving depth is the proportion of oxygen, and when people want to dive deeper, a gas with a lower proportion of oxygen, such as a mixed gas containing inert gas, is used.

Accordingly, there is a need to design a hybrid closed-cycle breathing system that addresses one or more of the above-mentioned problems.

Disclosure of Invention

To address one or more of the problems of the prior art, the present invention provides a hybrid closed-cycle breathing system.

The technical scheme adopted by the invention to achieve the aim is as follows: a hybrid closed-cycle respiratory system, comprising:

the box body is provided with a breathing pipeline, and the breathing pipeline is a one-way pipeline;

the circulating breathing device is fixed in the box body and comprises a first lung bag connected with one end of the breathing pipeline, a second lung bag connected with the other end of the breathing pipeline and adsorbent tanks respectively connected with the first lung bag and the second lung bag, and the adsorbent tanks are used for adsorbing carbon dioxide in the exhaled air; and

can provide mist's mixed apparatus of oxygen supply, it fixes to mix apparatus of oxygen supply the box outside, mix apparatus of oxygen supply including the oxygen jar of installing oxygen, install mist's diluent gas jar, and respectively with the oxygen jar with the automatic air valve that diluent gas jar links to each other, automatic air valve with first lung bag links to each other.

In some embodiments, a breathing conversion valve is arranged on the breathing pipeline and used for enabling the gas to move on the breathing pipeline in a single direction, and a breathing nozzle is arranged on the breathing conversion valve.

In some embodiments, a carbon dioxide adsorbent is disposed within the adsorbent canister.

In some embodiments, the cyclic breathing apparatus further comprises an oxygen partial pressure monitor coupled to the second lung bag for detecting the oxygen partial pressure within the second lung bag.

In some embodiments, the oxygen partial pressure monitor is externally connected with a waterproof computer meter for observing the oxygen partial pressure condition in real time.

In some embodiments, the mixed gas comprises helium, nitrogen, and oxygen.

In some embodiments, the mixed oxygen supply device further comprises a manual gas filling valve, the manual gas filling valve is respectively connected with the automatic gas filling valve and the oxygen tank, and the manual gas filling valve can fill gas automatically at a micro constant flow rate and also can fill gas manually at a large amount.

In some embodiments, the oxygen tank and the diluent gas tank are respectively connected with a gas pressure gauge for monitoring the gas pressure in the tanks.

In some embodiments, the cyclic breathing apparatus further comprises a quick release connector, the adsorbent canister and the first and second lung bags are connected by the quick release connector, and the second lung bag and the oxygen partial pressure monitor are also connected by the quick release connector.

In some embodiments, the breathing conduit is connected to the first lung bag and the second lung bag by the quick release connector, and the automatic inflation valve is connected to the first lung bag by the quick release connector.

The invention has the beneficial effects that: compared with the prior art, the invention comprises the following steps: the box body is provided with a breathing pipeline, and the breathing pipeline is a one-way pipeline; the circulating breathing device is fixed in the box body and comprises a first lung bag connected with one end of the breathing pipeline, a second lung bag connected with the other end of the breathing pipeline and adsorbent tanks respectively connected with the first lung bag and the second lung bag, and the adsorbent tanks are used for adsorbing carbon dioxide in the exhaled air; and can provide the mixed oxygen supply device of mist, it fixes to mix the oxygen supply device the box outside, mix the oxygen supply device including the oxygen jar of installing oxygen, install mist's diluent gas jar, and respectively with the oxygen jar with the automatic air valve that the diluent gas jar links to each other, automatic air valve with first lung bag links to each other. By adopting the design, the oxygen can be recycled, the deep submergence can be realized for a long time when the oxygen-enriched air-conditioning system is used, and the cost is saved.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the preferred embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a breath switching valve according to a preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of a breath switch valve in accordance with a preferred embodiment of the present invention;

FIG. 6 is a schematic view of a manual fill valve according to a preferred embodiment of the present invention;

FIG. 7 is a cross-sectional view of a manual fill valve in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic view of an automatic filler valve according to a preferred embodiment of the present invention;

FIG. 9 is a cross-sectional view of an automatic filler valve in accordance with a preferred embodiment of the present invention;

FIG. 10 is a schematic view of the structure of a preferred embodiment of the present invention;

FIG. 11 is an exploded view of a preferred embodiment of the invention;

FIG. 12 is a schematic view of a quick release connector according to a preferred embodiment of the present invention;

FIG. 13 is an exploded view of a quick release connector according to the preferred embodiment of the present invention;

FIG. 14 is a cross-sectional view of a sorbent canister in accordance with a preferred embodiment of the present invention;

FIG. 15 is a structural diagram of a snap structure according to a preferred embodiment of the present invention;

FIG. 16 is a schematic view of the tension spring according to the preferred embodiment of the present invention;

FIG. 17 is a schematic view of the right hook being separated from the tension spring hole in accordance with the preferred embodiment of the present invention;

FIG. 18 is a schematic structural view of a waterproof computer watch according to a preferred embodiment of the present invention;

FIG. 19 is a cross-sectional view of a non-contact key according to a preferred embodiment of the present invention.

In the figure:

1-a box body; 11-a breathing conduit; 12-a breath switch valve; 121-a main housing; 122-rotating the housing; 123-a rotating member; 124-exhalation nozzle; 1211-power assist member;

2-a diluent gas tank;

3-an oxygen tank;

4-manual air adding valve; 41-front tube; 411-manual air outlet; 412-a second inlet; 413-card hole; 42-posterior tube; 421-pressing hole; 422-card slot; 423-first air inlet; 43-a pressing assembly; 431-pressing rod; 4311-baffle; 432-pressing the lid; 4321-internally threaded tube; 44-a first connector; 45-a second connector; 451-upper connecting pipe; 4511-hole plug; 452-lower adapter; 4521-first vent; 4522-second vent; 453-inner connecting pipe; 454-an outer adaptor sleeve; 4541-annular convex body; 4542-sealing boss; 46-a bolt;

5, an automatic air feeding valve; 51-automatic valve body; 511-a valve body tube; 512-bottom cover; 513-pressing the shell; 514-gas channel; 5141-first annular boss; 52-air adding valve; 521-a first connection pipe; 522-a second connecting tube; 5221-air outlet; 5222-a notch; 523-seal; 5231-air passing holes; 524-a piston rod mechanism; 5241-a piston rod; 5242 installing seat of air-filling valve; 5243-a gasket; 5244-a spring; 5245-first mounting sleeve; 5246-a second mounting sleeve; 5247A nut; 54-a press;

6-first lung bag;

7-quick release connecting piece; 71-a mounting ring; 72-a retaining ring; 721-a third annular projection; 722-a second positioning boss;

8-adsorbent canister; 81-tank body; 811-a first metal piece; 812-a second metallic article; 82-a first connector; 83-second connection; 831-first snap-fit groove; 832-snap through holes; 84-a top cover; 841-second buckle slot; 842-annular seal groove; 85-snap strips; 851-snap lugs; 852-tension spring holes; 86-tension spring; 861-left hook; 862-left tension spring; 863-right hook; 864-right extension spring; 865-a connecting strip; 87-a pull cord; 88-first sealing ring.

9-waterproof computer meter; 91-computer watch body; 92-non-contact keys; 921 — computer watch mounting base; 9211-mounting groove; 9212-limit groove; 922-a button; 9221-limit bump; 923-an induction coil circuit board; 924-metal spring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1-19, the present invention provides a hybrid closed-cycle breathing system, comprising:

the box body 1 is provided with a breathing pipeline 11, and the breathing pipeline 11 is a one-way pipeline;

the circulating breathing device can recycle exhaled gas, is fixed in the box body 1, and comprises a first lung bag 6 connected with one end of the breathing pipeline 11, a second lung bag connected with the other end of the breathing pipeline 11, and an adsorbent tank 8 respectively connected with the first lung bag 6 and the second lung bag, wherein the adsorbent tank 8 is used for adsorbing carbon dioxide in the exhaled gas; and

can provide mist's mixed oxygen supply device, mixed oxygen supply device fixes the 1 outside of box, mixed oxygen supply device is including the oxygen jar 3 of installing oxygen, installs mist's diluent gas jar 2, and respectively with oxygen jar 3 with the automatic air valve 5 that diluent gas jar 2 links to each other, automatic air valve 5 with first lung bag 6 links to each other.

Specifically, when using this embodiment dive, the human body passes through breathing pipe 11 breathes, when breathing in, the oxygen of second lung bag gets into breathing pipe 11's one end is inhaled by the human body, and during the expiration, the human body is in carbon dioxide and the exhalation of surplus oxygen that produces the metabolism the other end of breathing pipe 11, and because breathing pipe 11 is one-way pipeline, consequently the gas of exhalation can not get into in the second lung bag, can only get into in the first lung bag 6, then the process carbon dioxide adsorbent effect in the adsorbent jar 8 adsorbs the carbon dioxide of exhalation gas, and surplus oxygen gets into in the second lung bag, supplies the human body to inhale. Can be so that the oxygen in the expired gas is by cyclic utilization, avoid extravagant, and this embodiment volume can set up very little, because the make full use of oxygen, but can supply the human body to dive for a long time, and owing to be through breathing pipeline 11 breathes, and gas is not discharged in the sea, consequently can not produce the bubble, so this embodiment is fit for the combat system, especially infiltrates the combat.

When the human body needs to submerge in a deeper water area, for example, submerging depth is more than 6m, oxygen needs to be diluted, so the embodiment achieves dilution of pure oxygen through the mixed oxygen supply device, the oxygen tank 3 is filled with pure oxygen, and the diluent gas tank 2 is filled with oxygen and inert gases, such as helium and nitrogen. When the oxygen concentration in the second lung bag is too low, the gas in the diluted gas tank 2 after being decompressed is added into the first lung bag 6 through the automatic gas adding valve 5, the gas in the oxygen tank 3 after being decompressed is added through the manual gas adding valve 4, and the gas in the oxygen tank 3 firstly passes through the shell of the automatic gas adding valve 5 and then enters the first lung bag 6. Therefore, the mixed oxygen supply device can provide pure oxygen and diluted oxygen so as to adapt to the diving requirements of users.

In this embodiment, the automatic gas filling valve 5 includes: the automatic valve body 51 is provided with a pressing shell 513 at the bottom, the pressing shell 513 has elasticity, and a valve body pipe 511 communicated with the inside of the automatic valve body 51 is arranged on the side wall of the automatic valve body 51; the gas filling valve 52 extends into the automatic valve body 51 from the valve body 511 and is in threaded connection with the valve body 511, a pressing piece 54 is arranged at one end of the gas filling valve 52 extending into the automatic valve body 51, when negative pressure is formed in the pressing shell 513 or the automatic valve body 51, the pressing piece 54 can be pressed, and the gas filling valve 52 is opened through the pressing piece 54. The bottom of the automatic valve body 51 is provided with a bottom cover 512 in threaded connection with the automatic valve body, the center position of the bottom cover 512 is provided with a pressing hole 421 matched with the pressing shell 513, the bottom cover 512 fixes the pressing shell 513 in the bottom of the automatic valve body 51, the top end of the automatic valve body 51 is provided with a gas channel 514, and the outer side of the gas channel 514 is provided with a first annular convex body 5141. The inner wall of the valve body tube 511 is provided with internal threads, and the outer wall of the valve body tube 511 is provided with external threads.

The filler valve 52 includes: a first connection pipe 521 having a left end screwed with the valve body pipe 511; a second connection pipe 522 threadedly connected to a right end of the first connection pipe 521, wherein an air outlet 5221 is formed in the second connection pipe 522; the sealing element 523 is provided with a gas passing hole 5231, the right end of the sealing element 523 is in threaded connection with the second connecting pipe 522, and the left end of the sealing element 523 extends into the first connecting pipe 521 and is subjected to sealing treatment, so that gas can only pass through the gas passing hole 5231; and a piston rod mechanism 524 disposed in the second connection pipe 522, wherein the piston rod mechanism 524 can block or release the air vent 5231, and the pressing member 54 is in snap-fit connection with a right end of the piston rod mechanism 524. The side wall of the right end of the second connecting pipe 522 is provided with two notches 5222 matched with the pressing piece 54, and the right end of the second connecting pipe 522 is internally provided with a second annular convex body 4541 matched with the piston rod mechanism 524.

The piston rod mechanism 524 includes: a "T-shape" shaped piston rod 5241, the right end of said piston rod 5241 being provided with a thread; the air-entrapping valve mounting seat 5242 is connected with the left end of the piston rod 5241, and a mounting hole matched with the piston rod 5241 is formed in the air-entrapping valve mounting seat 5242; a seal 5243 fixed in the air charging valve mounting seat 5242, wherein the seal 5243 is positioned at the left side of the piston rod 5241; a first mounting sleeve 5245 sleeved on the piston rod 5241, wherein the first mounting sleeve 5245 is matched with the second annular convex body 4541; a second mounting sleeve 5246 sleeved on the piston rod 5241, wherein the second mounting sleeve 5246 is positioned at the right side of the first mounting sleeve 5245, and the pressing element 54 is inserted between the first mounting sleeve 5245 and the second mounting sleeve 5246 from the notch 5222; a nut 5247 threaded onto said piston rod 5241, said nut 5247 being positioned to the right of said second mounting sleeve 5246; and a spring 5244 sleeved on the piston rod 5241, wherein the spring 5244 is positioned between the air charging valve mounting seat 5242 and the second annular convex body 4541, and the spring 5244 has an elastic effect on the air charging valve mounting seat 5242 and the second annular convex body 4541 respectively. The pressing member 54 has a Y-shape, and the pressing member 54 has an arc shape, one end of which is inserted into the notch 5222 and the other end of which faces the pressing housing 513.

The valve tube 511 is connected to the first lung bag 6, when negative pressure is formed in the first lung bag 6, the interior of the automatic inflation valve 5 is also in a negative pressure state, at this time, the pressing shell 513 deforms and is sucked to the pressing piece 54, so as to press one end of the pressing piece 54, after one end of the pressing piece 54 is pressed, the other end of the pressing piece 54 tilts, so as to open a channel of the inflation valve 52, and gas can enter the first lung bag 6 through the inflation valve 52; or when the pressing shell 513 is pressed, one end of the pressing piece 54 is pressed by the pressing shell 513, so that the other end of the pressing piece 54 is tilted, and the air supply valve 52 can be opened.

In some embodiments, a breathing change-over valve 12 is disposed on the breathing pipeline 11 for making the gas move in one direction on the breathing pipeline 11, and a breathing nozzle 124 is disposed on the breathing change-over valve 12.

Specifically, the respiration conversion valve 12 of the present embodiment includes: the main shell 121 is internally provided with a ventilation cavity, and the main shell 121 is provided with a ventilation hole and a breathing limiting groove; the breathing nozzle 124 is arranged on the main shell 121, a first breathing port is arranged on the breathing nozzle 124, and the first breathing port is communicated with the ventilation cavity; rotation portion, rotation portion is including rotating casing 122 and rotating piece 123, it breathes the mouth to be provided with intercommunication groove and second on the rotation casing 122, rotate piece 123 with rotate casing 122 fixed connection, it is the handle form to rotate piece 123, rotate casing 122 with chamber clearance fit takes a breath, it can follow to rotate piece 123 breathe the spacing groove for main casing 121 dead axle rotates, first breathing mouth passes through rotate piece 123, can with the second breathes mouthful intercommunication, perhaps, simultaneously with the intercommunication groove the air vent intercommunication.

The main housing 121 further includes a power assisting element 1211, wherein the power assisting element 1211 is disposed at two sides of the respiration limiting groove along the rotation direction of the rotation member 123, and is used for assisting a user to apply an acting force to the rotation member 123. The breathing change-over valve 12 of this embodiment further includes a first breathable film and a first blocking member, an air inlet is further provided on the main housing 121 or the rotating housing 122, the air inlet is communicated with the ventilation cavity, the air inlet is used for letting air into the ventilation cavity, and the first breathable film and the first blocking member are sequentially installed at the air inlet along the air flowing direction.

The respiration conversion valve 12 of this embodiment further includes a second breathable film and a second blocking member, the main housing 121 or the rotating housing 122 is further provided with a gas outlet, the gas outlet is communicated with the ventilation cavity, the gas outlet is used for discharging the exhaled gas in the ventilation cavity, the second breathable film and the second blocking member are sequentially installed at the gas outlet along the flow direction of the exhaled gas, the main housing 121 is provided with a first identifier, the rotating housing 122 is provided with a second identifier, and the first identifier and the second identifier are different from each other.

The respiration conversion valve 12 of the present embodiment further includes an engaging sleeve, the engaging sleeve is detachably sleeved on the exhalation nozzle 124, and the engaging sleeve is made of a soft material.

Adopt above-mentioned design, people are when using this embodiment, through breathe the mouth 124 and breathe, oxygen is followed the second lung bag comes out, gets into breathing tube 11's one end, process by the human body inhales during breathing tube valve 12, during human exhalation, the gas of exhalation gets into breathing tube valve 12 gets into breathing tube 11 connects the other end of first lung bag 6 then gets into first lung bag 6, and can not return the entering in the second lung bag. The design of unidirectional movement avoids that the expired air enters the second lung bag without being adsorbed.

In some embodiments, a carbon dioxide adsorbent is disposed within the adsorbent canister 8.

Specifically, because the embodiment is used for diving, the requirements on sealing performance and waterproof performance are extremely high, and especially, the carbon dioxide adsorbent is arranged in the adsorbent tank 8, so that in order to avoid the adsorption failure, the carbon dioxide adsorbent needs to be ensured to be in a sealed state. The adsorbent canister 8 is usually made of carbon fiber or glass fiber, which is not easy to be perforated, and therefore, the sealing performance is poor when the canister is connected to other components, especially, if the lid of the canister 8 is connected by a conventional screw, the canister is not convenient for sealing, and even if the canister is sealed, the sealing effect is poor.

In this embodiment, the adsorbent tank 8 includes: the tank body 81, a first metal piece 811 is integrally formed on the side wall of the tank body 81, and a second metal piece 812 is integrally formed at the top end of the tank body 81; the first connecting piece 82, the first connecting piece 82 is fixedly connected with the first metal piece 811; the second connecting piece 83 is fixedly connected with the second metal piece 812, a first buckling groove 831 is formed in the side wall of the second connecting piece 83, and a buckling through hole 832 is formed in the first buckling groove 831; the top cover 84, the top cover 84 is detachably connected with the second connecting piece 83, a second fastening groove 841 is arranged on the side wall of the top cover 84, and the second fastening groove 841 is matched with the fastening through hole 832; and the fastening structure is arranged on the first fastening groove 831 and is fastened into the second fastening groove 841, so that the top cover 84 is fixedly connected with the second connecting piece 83.

The top of the jar body 81 is equipped with the second through-hole, be equipped with around the second through-hole rather than coaxial second shaping groove, be equipped with first through-hole on the lateral wall of the jar body 81, be equipped with around the first through-hole rather than coaxial first shaping groove, first metalwork 811 shaping is in on the first shaping groove, second metalwork 812 shaping is in on the second shaping groove. The cross section of the first metal piece 811 is ┫ type, a third through hole is arranged on the first metal piece 811, one end of the first connecting piece 82 extends into the third through hole and abuts against the tank body 81, and a first annular triangular groove is arranged among the first metal piece 811, the first connecting piece 82 and the tank body 81.

The adsorbent tank 8 is further provided with a first sealing ring 88, the first sealing ring 88 is arranged in the first annular triangular groove, and the first sealing ring 88 is respectively in close contact with the first metal piece 811, the first connecting piece 82 and the tank body 81. The cross section of the second metal part 812 is in a shape of a reverse T, a fourth through hole is formed in the second metal part 812, the lower end of the second connecting piece 83 extends into the fourth through hole and abuts against the tank body 81, and a second annular triangular groove is formed among the second metal part 812, the second connecting piece 83 and the tank body 81.

The adsorbent jar 8 still is equipped with the second sealing washer, the second sealing washer sets up in the second annular triangular groove, the second sealing washer respectively with second metalwork 812 the second connecting piece 83 reaches jar body 81 in close contact with. An annular sealing groove 842 is further formed in the side wall of the top cover 84, and a third sealing ring is arranged on the annular sealing groove 842 and used for sealing the space between the top cover 84 and the second connecting piece 83.

The buckle structure includes: the buckle strip 85 is in an omega shape, a buckle convex body 851 is arranged on the buckle strip 85, and the buckle convex body 851 is matched with the buckle through hole 832; a tension spring 86, wherein the left end and the right end of the tension spring 86 are respectively connected with the left end and the right end of the buckle strip 85, and the tension spring is used for fixing the buckle strip 85 on the first buckle groove 831; and the pull rope 87 is connected with the right end of the tension spring 86 and used for pulling the right end of the tension spring 86 away from the buckle strip 85. And tension spring holes 852 are formed at two ends of the buckle strip 85.

The tension spring 86 includes: a left hook 861, wherein the left hook 861 passes through a tension spring hole 852 at the left end of the buckle strip 85 and cannot be separated from the tension spring hole 852; a left tension spring 862, wherein the left tension spring 862 is connected with the left hook 861; the right clamping hook 863 penetrates through a tension spring hole 852 at the right end of the buckling strip 85, and cannot be vertically separated from the tension spring hole 852; a right extension spring 864, the right extension spring 864 andthe right hook 863 is connected, and the pull rope 87 is connected to the right tension spring 864; and a connecting strip 865, two ends of the connecting strip 865 are respectively connected with the left tension spring 862 and the right tension spring 864. The left hook 861 is

And (4) molding. The right hook 863 is shaped like コ. The width of the bottom of the right hook 863 is larger than the diameter of the tension spring hole 852 at the right end of the buckling strip 85.

It should be noted that, because the adsorbent canister 8 is used with oneself, its volume is less, therefore the activity space is also less, it is inconvenient directly to incline the right hook 863 with the hand, and through experiments, when directly pulling the right hook 863 with the hand, even can not pull it out with very big power yet, therefore this embodiment pulls the right hook 863 through setting up the stay cord 87, presses the connecting strip 865 downwards, makes the right hook 863 incline, at this moment upwards or obliquely upwards pulls the stay cord 87 again, at this moment the right hook 863 can incline into the tension spring hole 852, can easily break away from the right hook 863 from the tension spring hole 852.

In some embodiments, the oxygen partial pressure monitor is externally connected with a waterproof computer meter 9 for observing the oxygen partial pressure condition in real time.

Specifically, the waterproof computer meter 9 includes: a computer watch body 91 and a non-contact key 92 disposed on the computer watch body 91, wherein the non-contact key 92 comprises: the computer watch mounting seat 921, the computer watch mounting seat 921 is hermetically arranged on the diving equipment body, a mounting groove 9211 is arranged on the computer watch mounting seat 921, liquid cannot enter the diving equipment body from the mounting groove 9211, and the computer watch mounting seat 921 is made of a non-metal material; the metal elastic piece 924 is arranged in the bottom end of the mounting groove 9211; the induction coil circuit board 923 is arranged below the installation groove 9211 and matched with the metal elastic piece 924; the button 922 is arranged above the metal elastic piece 924 and is limited by the mounting groove 9211 and cannot be separated from the metal elastic piece; when the button 922 is pressed downwards, the button 922 presses the metal elastic piece 924 downwards, so that the metal elastic piece 924 is close to the induction coil circuit board 923 and generates eddy current, and therefore the inductance value of the induction coil circuit board 923 changes. Be equipped with spacing groove 9212 on the lateral wall of computer table mount pad 921 upper end, spacing groove 9212 with button 922 cooperatees. The mounting groove 9211 is a cross-shaped groove or a circular groove. The metal elastic component 924 is cross-shaped or circular, and the middle of the metal elastic component 924 is arched upwards. The button 922 is T-shaped. The upper end of the button 922 is provided with a limiting convex body 9221, and the limiting convex body 9221 is matched with the limiting groove 9212.

The computer watch adopting the design does not need to carry out waterproof treatment on the keys independently, has extremely strong waterproof performance, and is suitable for real-time observation of people during diving.

In some embodiments, the mixed gas comprises helium, nitrogen, and oxygen.

Specifically, the mixed gas mainly includes an inert gas, which is mainly helium and nitrogen, and oxygen, which are not adsorbed while passing through the adsorbent tank 8. Meanwhile, the inert gas can be almost not consumed in the diving process and can be recycled in the equipment all the time, so that the use cost is greatly reduced.

In some embodiments, the mixed oxygen supply device further comprises a manual gas adding valve 4, the manual gas adding valve 4 is respectively connected with the automatic gas adding valve 5 and the oxygen tank 3, and the manual gas adding valve 4 can add gas automatically at a micro constant flow and also can add gas manually at a large amount.

Specifically, manual air adding valve 4 sets up automatic air adding valve 5 with between the oxygen jar 3, manual air adding valve 4 is connected with automatic air adding valve 5's shell, and in the shell that oxygen jar 3's gas can be followed manual air adding valve 4 and directly got into first lung bag 6 through automatic air adding valve 5's shell, avoid trompil in addition on first lung bag 6, each other do not influence between automatic air adding valve 5 and the manual air adding valve 4, each other do not restrict. It should be noted that, the pressure reducing valves are required to be installed on the gases in the oxygen tank 3 and the diluent gas tank 2, the gases are firstly reduced in pressure and then enter the first lung bag 6 through the manual air adding valve 4 or the automatic air adding valve 5, and the technical means for reducing the pressure is conventional means in the technical field, so the detailed description is omitted in this embodiment.

The manual filler valve 4 includes: the manual valve body comprises a front pipe 41 and a rear pipe 42, the front pipe 41 is detachably connected with the rear pipe 42, and the joint of the front pipe 41 and the rear pipe 42 is sealed. The front pipe 41 is provided with a manual air outlet 411, the rear pipe 42 is provided with a pressing hole 421 and a first air inlet 423, and the first air inlet 423 is communicated with the pressing hole 421; a first connector 44, wherein the first connector 44 is used for connecting gas filling equipment, and the first connector 44 is in threaded connection with the first gas inlet 423; and a pressing member 43, wherein the front end of the pressing member 43 penetrates through the pressing hole 421 to enter the manual valve body, and completely blocks the pressing hole 421, so that gas cannot enter from the pressing hole 421, the rear end of the pressing member 43 is located outside the pressing hole 421, and when the rear end is pressed, the front end of the pressing member 43 can be separated from the pressing hole 421.

The front pipe 41 is provided with a clamping hole 413, the clamping hole 413 is provided with threads, the rear pipe 42 is provided with a clamping groove 422 matched with the clamping hole 413, the manual valve body is further provided with a bolt 46, and the bolt 46 is screwed into the clamping hole 413 and clamped into the clamping groove 422, so that the front pipe 41 is fixedly connected with the rear pipe 42. The front tube 41 is further provided with a second air inlet 412, the rear end of the rear tube 42 is provided with a pressing groove, the pressing groove is provided with a spring, and the spring is matched with the rear end of the pressing component 43.

Manual gas filling valve 4 still includes second connector 45, second connector 45 is used for connecting the gas filling equipment, second connector 45 with second income gas port 412 threaded connection. The second connector 45 includes: the upper end of the upper connecting pipe 451 is in threaded connection with the second air inlet 412, a hole plug 4511 is in threaded connection with the upper connecting pipe 451, and a plurality of micro holes are formed in the hole plug 4511; the upper end of the lower connecting pipe 452 is in threaded connection with the lower end of the upper connecting pipe 451, a baffle is arranged in the lower connecting pipe 452, the lower connecting pipe 452 is divided into an upper section and a lower section which are not communicated with each other by the baffle, a plurality of first vent holes 4521 are arranged above the baffle, and a plurality of second vent holes 4522 are arranged below the baffle; an inner joint pipe 453, the upper end of the inner joint pipe 453 being inserted into the upper adapter 451, the lower end of the inner joint pipe 453 being inserted into the lower adapter 452 and being screw-coupled to the lower adapter 452, the joints of the inner joint pipe 453 and the upper adapter 451 and the lower adapter 452 being sealed, respectively; and the external sleeve 454 is sleeved on the lower connecting pipe 452, the external sleeve 454 moves upwards to close the second vent hole 4522, and the external sleeve 454 moves downwards to open the second vent hole 4522, so that gas can flow from the second vent hole 4522 to the first vent hole 4521. An annular convex body 4541 is arranged on the inner side wall of the external connecting sleeve 454, the annular convex body 4541 is matched with the second vent hole 4522, sealing convex bodies 4542 are respectively arranged above and below the annular convex body 4541, the sealing convex bodies 4542 and the annular convex bodies 4541 form a sealing groove, and a sealing ring is arranged in the sealing groove.

The pressing assembly 43 includes a pressing rod 431 and a pressing cap 432, and the pressing rod 431 is screw-connected with the pressing cap 432. The front end of the pressing rod 431 is provided with a baffle 4311, the diameter of the baffle 4311 is larger than that of the pressing hole 421, and the rear end of the pressing rod 431 is provided with a thread. An internal threaded pipe 4321 is arranged at the center of the pressing cover 432 and is used for being in threaded connection with the pressing rod 431.

The second connector 45 enables the gas in the oxygen tank 3 to enter the automatic gas adding valve 5 in a micro constant flow manner and then enter the first lung bag 6; when the amount of gas entering the second connector 45 is insufficient, the pressing assembly 43 can be pressed to open the pressing hole 421, so that the first connector 44 is communicated with the manual gas outlet 411, so that a large amount of gas coming out of the oxygen tank 3 can enter the automatic gas adding valve 5, and thus, rapid and large-amount gas supplement is realized.

In some embodiments, a gas pressure gauge is connected to each of the oxygen tank 3 and the diluent gas tank 2 for monitoring the gas pressure in the tanks.

In some embodiments, the cyclic breathing apparatus further comprises a quick-release connector 7, the adsorbent canister 8 and the first and second lung bags 6 and 7 are connected through the quick-release connector 7, and the second lung bag and the oxygen partial pressure monitor are also connected through the quick-release connector 7.

In some embodiments, the breathing tube 11 is connected to the first lung bag 6 and the second lung bag through the quick release connector 7, and the automatic inflation valve 5 is connected to the first lung bag 6 through the quick release connector 7.

Specifically, the quick release connector 7 includes: the mounting ring 71 is provided with external threads, and the top of the mounting ring 71 is provided with a plurality of first positioning convex bodies; and a fixing ring 72 provided with an internal thread, wherein the fixing ring 72 is in threaded connection with the mounting ring 71, and the bottom of the fixing ring 72 is provided with a third annular convex body 721. The retainer plate 72 is including the right half-turn that is equipped with positioning groove and the left half-turn that is equipped with second location convex body 722, second location convex body 722 with positioning groove cooperatees, right half-turn with left half-turn passes through bolt fixed connection. And a first left ear and a first right ear are respectively arranged at two ends of the left half-ring. And a second left ear and a second right ear are respectively arranged at two ends of the right half-ring, the second left ear is matched with the first left ear, and the second right ear is matched with the first right ear. The first left ear and the first right ear are respectively provided with a first through hole, the second left ear and the second right ear are respectively provided with a second through hole, and the first through hole is matched with the second through hole and used for a bolt to pass through.

In summary, the invention comprises a box body 1 provided with a breathing pipeline 11, wherein the breathing pipeline 11 is a one-way pipeline; the circulating breathing device can recycle exhaled gas, is fixed in the box body 1, and comprises a first lung bag 6 connected with one end of the breathing pipeline 11, a second lung bag connected with the other end of the breathing pipeline 11, and an adsorbent tank 8 respectively connected with the first lung bag 6 and the second lung bag, wherein the adsorbent tank 8 is used for adsorbing carbon dioxide in the exhaled gas; and can provide the mixed oxygen supply device of mist, it fixes to mix the oxygen supply device 1 outside, mix the oxygen supply device including the oxygen jar 3 of installing oxygen, install mist's diluent gas jar 2, and respectively with oxygen jar 3 with the automatic aeration valve 5 that diluent gas jar 2 links to each other, automatic aeration valve 5 with first lung bag 6 links to each other. By adopting the design, the oxygen can be recycled, the deep submergence can be realized for a long time when the oxygen-enriched air-conditioning system is used, and the cost is saved.

The above-described embodiments are merely illustrative of one or more embodiments of the present invention, and the description is specific and detailed, but not intended to limit the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A hybrid closed-cycle respiratory system, comprising:

2. The hybrid closed-type circulation breathing system as claimed in claim 1, wherein the breathing tube is provided with a breathing switch valve for making the gas move in one direction on the breathing tube, and the breathing switch valve is provided with a breathing nozzle.

3. The hybrid closed-cycle respiratory system as set forth in claim 1 wherein the adsorbent canister contains a carbon dioxide adsorbent.

4. The hybrid closed-cycle respiratory system as set forth in claim 1, further comprising an oxygen partial pressure monitor connected to the second lung bag for detecting the oxygen partial pressure in the second lung bag.

5. The hybrid closed-cycle respiratory system as set forth in claim 4, wherein the oxygen partial pressure monitor is externally connected to a waterproof computer meter for real-time observation of oxygen partial pressure.

6. The hybrid closed-cycle respiratory system as set forth in claim 1, wherein the gas mixture comprises helium, nitrogen and oxygen.

7. The hybrid closed-type circulation breathing system as claimed in claim 1, wherein the hybrid oxygen supply device further comprises a manual gas filling valve, the manual gas filling valve is respectively connected with the automatic gas filling valve and the oxygen tank, and the manual gas filling valve can fill gas automatically at a constant flow rate and also can fill gas manually at a large amount.

8. The hybrid closed-cycle respiratory system as set forth in claim 1, wherein the oxygen tank and the diluent gas tank are connected to a gas pressure gauge for monitoring the gas pressure in the tanks.

9. The hybrid closed-cycle respiratory system of claim 1, wherein the cyclic breathing apparatus further comprises a quick release connector, the adsorbent canister and the first and second lung bags are connected by the quick release connector, and the second lung bag and the oxygen partial pressure monitor are also connected by the quick release connector.

10. The hybrid closed-cycle respiratory system as set forth in claim 9, wherein the breathing conduit is connected to the first and second lung bags by the quick release connector, and the automatic inflation valve is connected to the first lung bag by the quick release connector.