阅读说明：本技术 一种组合阀体及其控制方法 (Combined valve body and control method thereof ) 是由 王昕� 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种组合阀体及其控制方法,属于阀块技术领域。一种组合阀体,包括阀块,所述阀块固定连接在壳体上,所述阀块上分别固定连接有持续供氧电磁阀、脉冲供氧电磁阀和呼吸检测电磁阀；所述壳体上设有连接管,所述阀块上设有与连接管相连通的通孔,所述脉冲供氧电磁阀与通孔相连通；所述阀块上设有第一接口,所述第一接口远离阀块的一端连接有呼吸检测传感器,所述呼吸检测传感器上还连接有第四接口；本发明可以在检测到人体呼气结束时再打开制氧机的脉冲供氧电磁阀进行供氧,从而极大提高了制氧机输出氧气的利用率,同时减少了各部分之间的管路连接,避免产生大量的气量损耗,同时降低了噪音的产生,便于使用。(The invention discloses a combined valve body and a control method thereof, and belongs to the technical field of valve blocks. A combined valve body comprises a valve block, wherein the valve block is fixedly connected to a shell, and a continuous oxygen supply electromagnetic valve, a pulse oxygen supply electromagnetic valve and a respiration detection electromagnetic valve are respectively and fixedly connected to the valve block; the shell is provided with a connecting pipe, the valve block is provided with a through hole communicated with the connecting pipe, and the pulse oxygen supply electromagnetic valve is communicated with the through hole; a first interface is arranged on the valve block, one end of the first interface, which is far away from the valve block, is connected with a respiration detection sensor, and a fourth interface is also connected to the respiration detection sensor; the pulse oxygen supply solenoid valve of the oxygen generator can be opened to supply oxygen when the expiration of the human body is detected, so that the utilization rate of the oxygen output by the oxygen generator is greatly improved, the pipeline connection among all parts is reduced, the loss of a large amount of air is avoided, the noise is reduced, and the oxygen generator is convenient to use.)

1. A combined valve body comprises a valve block (1), and is characterized in that the valve block (1) is fixedly connected to a shell (5), and a continuous oxygen supply electromagnetic valve (2), a pulse oxygen supply electromagnetic valve (3) and a breath detection electromagnetic valve (4) are respectively and fixedly connected to the valve block (1);

the shell (5) is provided with a connecting pipe (501), the valve block (1) is provided with a through hole (106) communicated with the connecting pipe (501), and the pulse oxygen supply electromagnetic valve (3) is communicated with the through hole (106);

be equipped with first interface (6) on valve piece (1), the one end that valve piece (1) was kept away from in first interface (6) is connected with and breathes detection sensor (8), be equipped with third interface (801) that are connected with first interface (6) on breathing detection sensor (8), it still is connected with fourth interface (802) on breathing detection sensor (8), fourth interface (802) link to each other with the outside air.

2. The combination valve body according to claim 1, characterized in that a second interface (7) is further arranged on the valve block (1), and the second interface (7) is connected with an oxygen output pipeline.

3. The combined valve body according to claim 1, wherein a first air hole (101), a second air hole (102) and a third air hole (103) are formed in the valve block (1), the first air hole (101) and the third air hole (103) are communicated and perpendicular to each other, the first air hole (101) and the second air hole (102) are perpendicular to each other, one end of each of the continuous oxygen supply solenoid valve (2) and the pulse oxygen supply solenoid valve (3) is communicated with the first air hole (101), and the other end of each of the continuous oxygen supply solenoid valve (2) and the pulse oxygen supply solenoid valve (3) is communicated with the second air hole (102).

4. The combination valve body according to claim 3, wherein one end of the breath detection solenoid valve (4) is connected to the intersection of the first air hole (101) and the third air hole (103), and the other end of the breath detection solenoid valve (4) is communicated with the third air hole (103).

5. A combination valve body according to claim 4, characterised in that the first port (6) and the second port (7) are both in communication with a third air hole (103), the second port (7) being arranged at the side of the valve block (1).

6. The combination valve body according to claim 4, wherein a sealing ball (104) is arranged in each of the first air hole (101) and the second air hole (102), and each of the first air hole (101) and the second air hole (102) is communicated with the outside air.

7. The combination valve body according to claim 1, characterized in that the valve block (1) is provided with a mounting groove, the housing (5) is provided with a mounting hole matched with the mounting groove, and the valve block (1) is connected with the housing (5) through a bolt.

8. A combination valve body according to claim 1, characterised in that a mounting plate (803) is fixedly connected to the breath detection sensor (8).

9. The combination valve body according to claim 1, wherein a connection port (105) communicated with the third air hole (103) is further arranged in the valve block (1), the connection port (105) is matched with the second interface (7), and the diameter of the connection port (105) is larger than that of the third air hole (103).

10. A control method of a combination valve body comprising a combination valve body according to any one of claims 1 to 9, characterized by operating in the following steps:

s1, firstly, connecting the first interface (6) with the third interface (801) so as to connect the respiration detection sensor (8) with the valve block (1) and connect the second interface (7) with the oxygen output pipeline;

s2, when the oxygen generator starts to work, the breath detection solenoid valve (4) is opened, and the gas exhaled by the human body is conveyed to the third interface (801) of the breath detection sensor (8) through the breath detection solenoid valve (4) and the first interface (6);

s3, after the breath detection sensor (8) detects the exhaled gas, immediately closing the breath detection electromagnetic valve (4) and simultaneously opening the pulse oxygen supply electromagnetic valve (3);

and S4, after the pulse oxygen supply electromagnetic valve (3) is opened for 2 seconds, closing the pulse oxygen supply electromagnetic valve (3), and simultaneously opening the breath detection electromagnetic valve (4) 0.15 seconds before the pulse oxygen supply electromagnetic valve (3) is closed so as to detect the next expiratory airflow of the human body, wherein the operations are sequentially and circularly performed.

Technical Field

The invention relates to the technical field of valve blocks, in particular to a combined valve body and a control method thereof.

Background

The oxygen generator is a kind of oxygen producing machine, and its principle is that it utilizes air separation technology, firstly, the air is compressed in high density, then the different condensation points of all the components in the air are utilized to make it undergo the process of gas-liquid separation at a certain temperature, then further rectified so as to obtain the invented product.

The human body is when breathing voluntarily, has two processes of exhaling and breathing in, and conventional oxygenerator all lasts the oxygen suppliment on the market, and this kind of oxygen suppliment mode has the oxygen of certain degree extravagant, and the oxygen that discharges promptly in the expiration process can not inhaled by the human body, and secondly, all connect through connecting tube between the valve body, and connecting tube wherein is more and more complicated, has produced a large amount of tolerance losses, can strengthen the noise simultaneously, for this reason, we provide a combination valve body and control method and solve this type of problem.

Disclosure of Invention

The invention aims to solve the problems of oxygen waste and gas generation loss in the prior art, and provides a combined valve body and a control method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a combined valve body comprises a valve block, wherein the valve block is fixedly connected to a shell, and a continuous oxygen supply electromagnetic valve, a pulse oxygen supply electromagnetic valve and a respiration detection electromagnetic valve are respectively and fixedly connected to the valve block;

the shell is provided with a connecting pipe, the valve block is provided with a through hole communicated with the connecting pipe, and the pulse oxygen supply electromagnetic valve is communicated with the through hole;

the valve block is provided with a first interface, one end, far away from the valve block, of the first interface is connected with a respiration detection sensor, the respiration detection sensor is provided with a third interface connected with the first interface, the respiration detection sensor is further connected with a fourth interface, and the fourth interface is connected with the outside air.

In order to facilitate connection of the nasal cannula of the patient, preferably, a second interface is further arranged on the valve block, and the second interface is connected with the oxygen output pipeline.

Preferably, the valve block is provided with a first air hole, a second air hole and a third air hole, the first air hole is communicated with the third air hole and is perpendicular to the third air hole, the first air hole is perpendicular to the second air hole, one ends of the continuous oxygen supply electromagnetic valve and the pulse oxygen supply electromagnetic valve are communicated with the first air hole, and the other ends of the continuous oxygen supply electromagnetic valve and the pulse oxygen supply electromagnetic valve are communicated with the second air hole.

Furthermore, one end of the breath detection solenoid valve is connected to the intersection of the first air hole and the third air hole, and the other end of the breath detection solenoid valve is communicated with the third air hole.

Furthermore, the first interface and the second interface are both communicated with a third air hole, and the second interface is arranged on the side surface of the valve block.

Preferably, sealing balls are arranged in the first air hole and the second air hole, and the first air hole and the second air hole are communicated with the outside air.

In order to facilitate connection of the valve block, preferably, a mounting groove is formed in the valve block, a mounting hole matched with the housing is formed in the housing, and the valve block is connected with the housing through a bolt.

In order to facilitate the installation of the respiration detection sensor, it is preferable that an installation plate is fixedly connected to the respiration detection sensor.

Preferably, a connection port communicated with the third air hole is further arranged in the valve block, the connection port is matched with the second interface, and the diameter of the connection port is larger than that of the third air hole.

A control method of a combined valve body comprises the steps of:

s1, firstly, connecting the first interface with the third interface, thereby connecting the respiration detection sensor with the valve block, and connecting the second interface with the oxygen output pipeline;

s2, when the oxygen generator starts to work, the breath detection electromagnetic valve is opened, and the gas exhaled by the human body is conveyed to the third interface of the breath detection sensor through the breath detection electromagnetic valve and the first interface;

s3, immediately closing the breath detection solenoid valve and simultaneously opening the pulse oxygen supply solenoid valve after the breath detection sensor detects the exhaled gas;

and S4, after the pulse oxygen supply electromagnetic valve is opened for 2 seconds, closing the pulse oxygen supply electromagnetic valve, and simultaneously opening the breath detection electromagnetic valve 0.15 seconds before the pulse oxygen supply electromagnetic valve is closed so as to detect the next expiratory airflow of the human body, wherein the operations are sequentially carried out in a circulating manner.

Compared with the prior art, the invention provides a combined valve body and a control method thereof, and the combined valve body has the following beneficial effects:

1. this combination valve body, when the oxygenerator began work, the breath detection solenoid valve was opened, then the gas of human exhalation was carried the breath detection sensor, breathe the detection sensor and detect the gaseous back of exhalation, closed the breath detection solenoid valve immediately, open pulse oxygen suppliment solenoid valve simultaneously, after pulse oxygen suppliment solenoid valve opened the second, closed pulse oxygen suppliment solenoid valve, before pulse oxygen suppliment solenoid valve closed simultaneously, open the breath detection solenoid valve during the second to detect human next expiratory airflow, the circulation goes on in proper order.

2. This combination valve body can open the pulse oxygen suppliment solenoid valve of oxygenerator again when detecting the human expiration end and carry out the oxygen suppliment to greatly improved the utilization ratio of oxygenerator output oxygen, and reduced the tube coupling, thereby improved its effectively and stability, and can avoid producing a large amount of tolerance losses, reduced the production of noise simultaneously.

The parts of the device which are not involved are the same as or can be realized by adopting the prior art, and the pulse oxygen supply electromagnetic valve of the oxygen generator can be opened for supplying oxygen when the expiration of the human body is detected, so that the utilization rate of the oxygen output by the oxygen generator is greatly improved, the pipeline connection among all the parts is reduced, the loss of a large amount of air is avoided, the noise is reduced, and the device is convenient to use.

Drawings

FIG. 1 is a front view of a combination valve body and a control method thereof according to the present invention;

FIG. 2 is a first schematic perspective view of a combination valve body and a control method thereof according to the present invention;

FIG. 3 is a schematic perspective view of a combination valve body and a control method thereof according to the present invention;

FIG. 4 is a schematic structural diagram of a breath detection sensor in a combination valve and a control method thereof according to the present invention;

FIG. 5 is a first schematic sectional view of a valve block in the combined valve body and the control method thereof according to the present invention;

fig. 6 is a schematic sectional view of a valve block in the combined valve body and the control method thereof according to the present invention.

In the figure: 1. a valve block; 101. a first air hole; 102. a second air hole; 103. a third air hole; 104. a sealing ball; 105. a connection port; 106. a through hole; 2. a continuous oxygen supply solenoid valve; 3. a pulse oxygen supply electromagnetic valve; 4. a breath detection solenoid valve; 5. a housing; 501. a connecting pipe; 6. a first interface; 7. a second interface; 8. a breath detection sensor; 801. a third interface; 802. a fourth interface; 803. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, a combined valve body comprises a valve block 1, wherein the valve block 1 is fixedly connected to a shell 5, and a continuous oxygen supply electromagnetic valve 2, a pulse oxygen supply electromagnetic valve 3 and a breath detection electromagnetic valve 4 are respectively and fixedly connected to the valve block 1; a connecting pipe 501 is arranged on the shell 5, a through hole 106 communicated with the connecting pipe 501 is arranged on the valve block 1, and the pulse oxygen supply electromagnetic valve 3 is communicated with the through hole 106; be equipped with first interface 6 on the valve block 1, the one end that valve block 1 was kept away from to first interface 6 is connected with breathes detection sensor 8, breathes and is equipped with the third interface 801 that is connected with first interface 6 on the detection sensor 8, still is connected with fourth interface 802 on breathing detection sensor 8, and fourth interface 802 links to each other with the outside air.

When the oxygen generator starts to work, the breath detection electromagnetic valve 4 is opened, the gas exhaled by the human body is conveyed to the third interface 801 of the breath detection sensor 8 through the breath detection electromagnetic valve 4 and the first interface 6, the breath detection electromagnetic valve 4 is immediately closed after the breath detection sensor 8 detects the exhaled gas, the pulse oxygen supply electromagnetic valve 3 is simultaneously opened, the pulse oxygen supply electromagnetic valve 3 is closed after the pulse oxygen supply electromagnetic valve 3 is opened for 2 seconds, the breath detection electromagnetic valve 4 is opened 0.15 second before the pulse oxygen supply electromagnetic valve 3 is closed to detect the next exhaled gas flow of the human body, the pulse oxygen supply can be realized by cycling in sequence, when the human body breath is detected, the pulse oxygen supply electromagnetic valve 3 is opened to supply oxygen, the oxygen supply time is generally 1-2 seconds, the pulse oxygen supply electromagnetic valve 3 of the oxygen generator can be opened again to supply oxygen when the end of the exhalation of the human body is detected, thereby greatly improved the utilization ratio of oxygenerator output oxygen, and last oxygen suppliment solenoid valve 2, pulse oxygen suppliment solenoid valve 3 and breathe and detect solenoid valve 4 and all set up on valve block 1, reducible tube coupling to improve the effectiveness and the stability of above-mentioned function, and can keep the connecting channel validity between each valve body, avoid producing a large amount of tolerance losses, reduced the production of noise simultaneously.

Example 2:

referring to fig. 1-6, a combined valve body comprises a valve block 1, wherein the valve block 1 is fixedly connected to a shell 5, and a continuous oxygen supply electromagnetic valve 2, a pulse oxygen supply electromagnetic valve 3 and a breath detection electromagnetic valve 4 are respectively and fixedly connected to the valve block 1; a connecting pipe 501 is arranged on the shell 5, a through hole 106 communicated with the connecting pipe 501 is arranged on the valve block 1, and the pulse oxygen supply electromagnetic valve 3 is communicated with the through hole 106; be equipped with first interface 6 on the valve block 1, the one end that valve block 1 was kept away from to first interface 6 is connected with breathes detection sensor 8, breathes and is equipped with the third interface 801 that is connected with first interface 6 on the detection sensor 8, still is connected with fourth interface 802 on breathing detection sensor 8, and fourth interface 802 links to each other with the outside air.

The valve block 1 is also provided with a second interface 7, and the second interface 7 is connected with an oxygen output pipeline so as to be connected with a nasal oxygen tube of a patient and facilitate detection; a first air hole 101, a second air hole 102 and a third air hole 103 are arranged on the valve block 1, the first air hole 101 is communicated with the third air hole 103 and is vertical to the third air hole 103, the first air hole 101 is vertical to the second air hole 102, one ends of the continuous oxygen supply electromagnetic valve 2 and one end of the pulse oxygen supply electromagnetic valve 3 are both communicated with the first air hole 101, and the other ends of the continuous oxygen supply electromagnetic valve 2 and the pulse oxygen supply electromagnetic valve 3 are both communicated with the second air hole 102; one end of the breath detection solenoid valve 4 is connected to the intersection of the first air hole 101 and the third air hole 103, and the other end of the breath detection solenoid valve 4 is communicated with the third air hole 103; can make oxygen conveniently control through lasting oxygen suppliment solenoid valve 2, pulse oxygen suppliment solenoid valve 3, the oxygen suppliment of being convenient for.

First interface 6 and second interface 7 all are linked together with third gas pocket 103, and second interface 7 sets up the side at valve block 1, and first interface 6 and second interface 7 are connected respectively at the both ends of third gas pocket 103 promptly, and patient's nasal tube can be connected to one end, and the other end can be convenient for detect the gas of human exhalation.

All be equipped with ball sealer 104 in first gas pocket 101 and the second gas pocket 102, and first gas pocket 101 and second gas pocket 102 all are linked together with the outside air, are convenient for admit air, and secondly, breathe and detect sensor 8 and can detect the concentration of oxygen.

Example 3:

referring to fig. 1-6, a combined valve body comprises a valve block 1, wherein the valve block 1 is fixedly connected to a shell 5, and a continuous oxygen supply electromagnetic valve 2, a pulse oxygen supply electromagnetic valve 3 and a breath detection electromagnetic valve 4 are respectively and fixedly connected to the valve block 1; when the oxygenerator begins to work, breathe and detect solenoid valve 4 and open, the gaseous third interface 801 of breathing detection sensor 8 is carried through breathing detection solenoid valve 4 and first interface 6 to breathing detection sensor 8, breathe detection sensor 8 after detecting the expired gas, close breathing detection solenoid valve 4 immediately, open pulse oxygen suppliment solenoid valve 3 simultaneously, after pulse oxygen suppliment solenoid valve 3 opened 2 seconds, close pulse oxygen suppliment solenoid valve 3, open breathing detection solenoid valve 4 0.15 seconds before pulse oxygen suppliment solenoid valve 3 closed simultaneously, in order to detect human next expiratory airflow, cycle in proper order goes on, reducible tube coupling, thereby improve the efficiency and the stability of above-mentioned function, and can keep the connecting channel validity between each valve body, avoid producing a large amount of tolerance losses, the production of noise has been reduced simultaneously.

The valve block 1 is provided with a mounting groove, the shell 5 is provided with a mounting hole matched with the valve block, and the valve block 1 is connected with the shell 5 through a bolt; the valve block 1 can be conveniently and fixedly connected to the shell 5 by connecting bolts in the mounting holes and the mounting grooves, and the continuous oxygen supply electromagnetic valve 2, the pulse oxygen supply electromagnetic valve 3 and the respiration detection electromagnetic valve 4 can be conveniently and fixedly connected to the valve block 1 by bolts; the breath detection sensor 8 is fixedly connected with a mounting plate 803, which facilitates the mounting of the breath detection sensor 8.

The valve block 1 is also internally provided with a connecting port 105 communicated with the third air hole 103, the connecting port 105 is matched with the second connector 7, and the diameter of the connecting port 105 is larger than that of the third air hole 103, so that the connecting port is convenient for connecting an oxygen output pipe.

Example 4:

a control method of a combined valve body comprises the steps of:

s1, first connecting the first port 6 with the third port 801, so as to connect the respiration detection sensor 8 with the valve block 1, and connecting the second port 7 with the oxygen output pipeline;

s2, when the oxygen generator starts to work, the breath detection solenoid valve 4 is opened, and the gas exhaled by the human body is conveyed to the third interface 801 of the breath detection sensor 8 through the breath detection solenoid valve 4 and the first interface 6;

s3, after the breath detection sensor 8 detects the exhaled air, immediately closing the breath detection solenoid valve 4 and simultaneously opening the pulse oxygen supply solenoid valve 3;

and S4, after the pulse oxygen supply electromagnetic valve 3 is opened for 2 seconds, closing the pulse oxygen supply electromagnetic valve 3, and simultaneously, opening the breath detection electromagnetic valve 4 0.15 second before the pulse oxygen supply electromagnetic valve 3 is closed so as to detect the next expiratory airflow of the human body, wherein the operations are sequentially carried out in a circulating manner.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.