CN116637263A - Constant-temperature oxygen pipe for oxygenerator and oxygenerator comprising constant-temperature oxygen pipe - Google Patents

Abstract

The invention discloses a constant temperature oxygen pipe for an oxygen generator and the oxygen generator comprising the same. The constant temperature oxygen pipe of the invention maintains the temperature of the oxygen output from the joint in a proper range such as 35-41 ℃, thereby enabling a user to breathe comfortable oxygen, properly adjusting the temperature range of the oxygen according to the temperature of the environment, being particularly suitable for colder areas in winter.

Description

Constant-temperature oxygen pipe for oxygenerator and oxygenerator comprising constant-temperature oxygen pipe

Technical Field

The invention relates to a constant-temperature oxygen pipe for an oxygen generator and the oxygen generator comprising the constant-temperature oxygen pipe.

Background

The oxygen generator is a machine for preparing oxygen, an oxygen humidifying device is usually arranged in the oxygen generator, so that the dry oxygen is prevented from stimulating airway mucous membrane, alveoli can be humidified, the alveoli activity is increased, and the exchange of gas is facilitated, however, in cold areas in winter, the temperature of the oxygen can be reduced due to lower temperature, condensed water is easy to occur when the humidified oxygen is conveyed in an oxygen conveying pipe outside the oxygen generator, the condensed water easily causes oxygen outlet blockage, a plurality of oxygen generators are all provided with heat-insulating materials coated on the oxygen conveying pipe outside the oxygen generator, the heat-insulating materials are increased, the whole volume is increased, the weight is increased, the portability of products is influenced, the temperature of the oxygen cannot be effectively controlled, the oxygen breathed by a user is still cool or the temperature is lower, the oxygen breathed by the user cannot be ensured to be at a proper temperature, the human body feels uncomfortable after the human body inhales the cool or the oxygen with lower temperature, and the recovery of the human body is not facilitated.

Disclosure of Invention

The invention provides a constant temperature oxygen pipe for an oxygenerator, which comprises:

a tube body;

a connection terminal;

the heating wires are arranged on the periphery of the pipe body and are spirally distributed, and the heating wires are connected with the wiring terminals;

the joint is arranged at one end of the pipe body and is communicated with the pipe body;

a temperature sensor provided at the joint for detecting the temperature of the oxygen outputted from the tube body; and

and the controller is electrically connected with the temperature sensor, and the wiring terminal is electrically connected with the controller.

According to the constant temperature oxygen pipe, the pipe body is connected with the oxygen outlet of the oxygen generator, the connector is connected with the nasal plug oxygen inhalation pipe or the oxygen inhalation nose mask, oxygen produced by the oxygen generator is conveyed to the nasal plug oxygen inhalation pipe or the oxygen inhalation nose mask through the pipe body for a user to breathe, as the heating wires spirally arranged are arranged on the periphery of the pipe body, oxygen in the pipe body can be heated, the heating wires spirally arranged can uniformly heat the oxygen in the pipe body, the temperature sensor can detect the temperature of the oxygen output from the pipe body in real time, when the temperature sensor detects that the temperature of the oxygen is higher than a set value, the controller controls the heating wires to stop working through the wiring terminal, and when the temperature sensor detects that the temperature of the oxygen is lower than the set value, the controller controls the heating wires to start working, so that the temperature of the oxygen output from the connector is maintained in a proper range such as 35-41 ℃, the user can breathe comfortable oxygen, the temperature range of the oxygen can be properly adjusted according to the temperature of the environment, the heating wires is particularly suitable for winter, the temperature of the oxygen in the relatively small area, the whole machine is spirally wound, the temperature sensor does not influence the volume of the pipe body on the whole machine, and the portable environment is not influenced basically, and the weight of the whole machine is not influenced.

Preferably, the joint comprises a first pipe mouth and a bearing pipe which are communicated with each other, two through grooves which are oppositely arranged along the bearing pipe are formed in the peripheral wall of the bearing pipe, the temperature sensor is arranged in the bearing pipe, two sides of the temperature sensor are respectively inserted into the two through grooves, and one end of the pipe body is sleeved on the bearing pipe.

Therefore, the first nozzle unit is used for being connected with the nasal obstruction oxygen inhalation tube or the oxygen inhalation nose mask, the temperature sensor is installed in the bearing tube and can accurately detect the temperature of oxygen in the tube body, the two sides of the temperature sensor are respectively inserted into the two through grooves on the bearing tube, the temperature sensor can be ensured to be firmly installed, and the oxygen detection can not be influenced due to the falling of the bending or pulling of the tube body.

Preferably, the heating wire is sleeved with an anti-scalding pipe, the wire harness of the temperature sensor is accommodated in the anti-scalding pipe and connected with the wiring terminal, a spiral groove is formed in the periphery of the pipe body, and the anti-scalding pipe is accommodated in the spiral groove in a spiral mode.

Therefore, the anti-scalding pipe can ensure that the working heating wires cannot be scalded to a user, and can wrap the wire harness of the temperature sensor, so that the wire harness of the temperature sensor and the pipe body form a whole, the wire harness wiring of the temperature sensor cannot adversely affect the work of the temperature sensor due to bending or pulling of the pipe body, the anti-scalding pipe which is spirally arranged is accommodated in the spiral groove on the periphery of the pipe body, the heating wires and the anti-scalding pipe cannot slide on the pipe body at will, the heating wires which are spirally arranged are uniformly distributed on the pipe body, and the uniformity and the stability of oxygen heating in the pipe body are ensured.

Preferably, the pipe further comprises a first sleeve, the first sleeve is sleeved on one end of the pipe body sleeved on the bearing pipe, first spiral lines are arranged on the inner wall of the first sleeve, and the first spiral lines are matched with heating wires which are spirally distributed on the pipe body.

Therefore, the first sleeve can ensure that the end part of the pipe body can be firmly sleeved on the bearing pipe, and the first spiral lines on the inner wall of the first sleeve can be nested with the heating wires spirally arranged on the pipe body, so that the pipe body cannot easily fall off from the bearing pipe when being pulled.

Preferably, the oxygen generator further comprises a plug connector, the connecting terminal is arranged on the plug connector, one end of the plug connector is provided with a connecting pipe, the other end of the pipe body is sleeved on the connecting pipe, and the other end of the plug connector is provided with a second pipe mouth which can be connected with an oxygen pipe of the oxygen generator and is communicated with the connecting pipe.

Therefore, when the plug connector is plugged on the oxygenerator, the second pipe mouth on the plug connector is connected with the oxygen pipe of the oxygenerator, and oxygen produced by the oxygenerator can be conveyed into the pipe body.

Preferably, the heating device further comprises a second sleeve, the second sleeve is sleeved on the other end of the pipe body, sleeved on the connecting pipe, second spiral lines are arranged on the inner wall of the second sleeve, and the second spiral lines are matched with heating wires which are spirally distributed on the pipe body.

Therefore, the second sleeve can ensure that the end part of the pipe body can be firmly sleeved on the connecting pipe, and the second spiral threads on the inner wall of the second sleeve can be nested with the heating wires spirally arranged on the pipe body, so that the pipe body cannot easily fall off from the connecting pipe when being pulled.

Preferably, a slot is arranged on the peripheral wall of the second sleeve, and the wire harness of the heating wire and the wire harness of the temperature sensor are connected with the wiring terminal after penetrating through the slot.

Therefore, the grooves on the second sleeve can provide shortcuts for wiring of the wire harness of the heating wire and the wire harness of the temperature sensor, and unnecessary redundant wire harnesses are reduced.

Preferably, the connector further comprises a protective sleeve, the plug connector is provided with a first concave cavity, one end of the connecting terminal penetrates through the side wall of the first concave cavity and then is connected with the wire harness of the heating wire and the wire harness of the temperature sensor, the other end of the connecting terminal is located at the opening of the first concave cavity, the protective sleeve is sleeved on the periphery of the second sleeve, and one end of the connecting terminal is located in the protective sleeve.

Therefore, the protective sleeve can effectively protect the wire harness and the wiring terminal from being exposed, ensure completeness and service life, and realize signal transmission by connecting the wiring terminal in the first concave cavity on the plug with the circuit of the oxygenerator when the plug is plugged on the oxygenerator.

Preferably, the socket also comprises a socket, a second concave cavity is arranged on the socket, two lugs which are oppositely arranged are arranged on the side wall of the end part of the socket, an inserting port is arranged on the lugs, a convex ring which is matched with the second pipe mouth is arranged on the inner bottom of the second concave cavity, a convex part is also arranged on the inner bottom of the second concave cavity, a through hole for the wiring terminal to pass through is arranged on the convex part, an inserting pipe which is communicated with the space of the convex ring surrounding wall is arranged on the outer bottom of the second concave cavity, inserting wings which are obliquely arranged are respectively arranged on two sides of the inserting port, a buckle is arranged on the inserting wings,

when the plug connector is inserted into the second concave cavity on the plug connector, the second nozzle part is inserted into the convex ring, the wiring terminal is inserted into the through hole, and the two buckles are respectively clamped in the plug connector.

Therefore, the plug socket is arranged on the oxygenerator, the insertion pipe on the plug socket is connected with the oxygen pipe inside the oxygenerator, the plug connector is plugged in the second concave cavity on the plug socket, the second nozzle part is plugged in the convex ring, the communication between the second nozzle part and the insertion pipe can be realized, oxygen produced by the oxygenerator can be conveyed to the pipe body, meanwhile, the connecting terminal is inserted in the through hole and is communicated with the circuit of the oxygenerator, signal transmission is realized, at the moment, the two buckles on the two plug wings are respectively clamped in the plug socket, the plug connector is firmly plugged in the plug socket and cannot be easily pulled out, when the plug connector is required to be taken off from the plug socket arranged on the oxygenerator, the two plug wings are held by hands and are pushed inwards, the buckle on the plug wings is pulled out from the plug socket, the plug connector is outwards, the mounting and the dismounting of the plug connector and the socket are very convenient, and the obliquely arranged plug wings are conveniently plugged in the second of the plug socket, and the buckle on the plug wings cannot be easily pulled out after being clamped in the plug socket.

The invention also provides an oxygenerator, which comprises the constant temperature oxygen pipe, wherein the controller is arranged in the oxygenerator, and the other end of the pipe body can be communicated with the oxygen pipe of the oxygenerator.

The temperature of the oxygen output from the joint of the oxygenerator can be maintained in a proper range such as 35-41 ℃, so that a user can breathe comfortable oxygen, the oxygenerator can even be suitable for a proper temperature range of the oxygen according to the temperature of the environment, and the oxygenerator is particularly suitable for a colder winter area.

Drawings

FIG. 1 is a schematic view of a thermostatic oxygen tube for an oxygenerator according to the present invention;

FIG. 2 is a schematic diagram of a split structure of the constant temperature oxygen pipe shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the tube body, heating wire and burn-proof tube in the constant temperature oxygen tube shown in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure of the hidden part of the burn-proof tube in FIG. 3A;

FIG. 5 is a side view of the junction in the constant temperature oxygen tube shown in FIG. 2;

FIG. 6 is a schematic view of the structure of a first sleeve in the constant temperature oxygen tube shown in FIG. 2;

FIG. 7 is a schematic view of the plug in the thermostatic oxygen tube shown in FIG. 2;

FIG. 8 is a schematic view of a second sleeve in the constant temperature oxygen pipe shown in FIG. 2;

FIG. 9 is a side view of the bayonet of FIG. 7;

FIG. 10 is a side view of the bayonet of FIG. 7;

FIG. 11 is a schematic view of the structure of the plug socket in the constant temperature oxygen pipe shown in FIG. 2;

fig. 12 is a side view of the socket shown in fig. 11.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements.

Referring to fig. 1 to 12, a constant temperature oxygen tube for an oxygenerator includes a tube body 1, a connection terminal 2, a heating wire 3, a joint 4, a temperature sensor 5, a controller, a first sleeve 6, a plug 7, a second sleeve 8, a protective sleeve 9, a plug seat 10 and a holding tube 11.

Referring to fig. 1 to 3, the tube body 1 is made of a soft material such as a medical grade silicone tube, a medical grade plastic tube, and the tube body 1 made of the soft material may be optionally bent, coiled, or the like.

The outer periphery of the pipe body 1 is formed with a spiral groove (not shown), namely the pipe body 1 can be a corrugated pipe, referring to fig. 4, the heating wires 3 are wound on the pipe body 1, the heating wires 3 are spirally distributed, the heating wires 3 are sleeved with the anti-scalding pipes 31, namely the anti-scalding pipes 31 are spirally distributed, the anti-scalding pipes 31 which are spirally distributed are adaptively accommodated in the spiral groove on the outer periphery of the pipe body 1, and the anti-scalding pipes 31 can ensure that the working heating wires 3 cannot be scalded to a user; in order to ensure that the heating wire 3 can efficiently heat oxygen in the pipe body 1, the anti-scalding pipe 31 can be provided with an opening along the length direction, the opening part of the anti-scalding pipe 31 is attached to the periphery of the pipe body 1, and the heating wire 3 in the anti-scalding pipe 31 is directly attached to the spiral groove on the periphery of the pipe body 1, so that the heating wire 3 can directly heat the oxygen in the pipe body 1 through the pipe body 1 with high efficiency, and in addition, the anti-scalding pipe 31 internally wrapped with the heating wire 3 in a spiral arrangement can not slide on the pipe body 1 at will because the anti-scalding pipe 31 in the spiral arrangement is adaptively accommodated in the spiral groove on the periphery of the pipe body 1, so that the heating wire 3 in the spiral arrangement is ensured to be uniformly distributed on the pipe body 1, and the uniformity and the stability of the oxygen heating in the pipe body 1 are ensured.

Referring to fig. 1 and 2, a joint 4 is installed on one end of the pipe body 1 and communicates with the pipe body 1, specifically: referring to fig. 2 and 5, the joint 4 includes a first nozzle portion 41 and a carrier tube 42 that are mutually communicated, two through grooves 43 that are oppositely arranged and axially arranged along the carrier tube 42 are formed on the peripheral wall of the carrier tube 42, the temperature sensor 5 is installed in the carrier tube 42, two sides of the temperature sensor 5 are respectively inserted into the two through grooves 43 on the carrier tube 42, one end of the tube body 1 is sleeved on the carrier tube 42, the first nozzle portion 41 can be connected with a nasal obstruction oxygen inhalation tube or an oxygen inhalation nose mask, in order to improve the tightness, a sealing ring can be installed on the first nozzle portion 41, the temperature sensor 5 is installed in the carrier tube 42 and can accurately detect the temperature of oxygen in the tube body 1, the two sides of the temperature sensor 5 are respectively inserted into the two through grooves 43 on the carrier tube 42, so that the temperature sensor is firmly installed, and the oxygen detection cannot be affected due to bending or pulling of the tube body 1.

Referring to fig. 4, the wire harness 51 of the temperature sensor 5 is also accommodated in the anti-scalding tube 31, in addition, the wire harness at one end of the heating wire 3 is accommodated in the anti-scalding tube 31 together with the wire harness 51 of the temperature sensor 5, in order to avoid scalding the wire harness of the heating wire 3 and the wire harness 51 of the temperature sensor 5 when the heating wire 3 works, the wire harness of the heating wire 3 and the wire harness 5 of the temperature sensor 5 can be covered by a heat insulation tube, and the temperature sensor 5 can detect the temperature of oxygen output from the tube body 1 in real time.

Referring to fig. 2 and 6, the first sleeve 6 is sleeved on one end of the tube body 1 sleeved on the carrier tube 42, that is, the end of the tube body 1 is located between the inner wall of the first sleeve 6 and the outer wall of the carrier tube 42, the end of the tube body 1 is sleeved on the carrier tube 42, the first sleeve 6 is sleeved on the tube body 1, the first spiral thread 61 is formed on the inner wall of the first sleeve 6, the relevant size and style of the first spiral thread 61 are matched with those of the spirally arranged anti-scalding tube 31, that is, the first sleeve 6 and the anti-scalding tube 31 on the tube body 1 are connected in a structure similar to a screw nut, so that the end of the tube body 1 can be firmly sleeved on the carrier tube 42, and the first spiral thread 61 on the inner wall of the first sleeve 6 can be nested with the spirally arranged anti-scalding tube 31 on the tube body 1 and the heating wire 3 wrapped by the anti-scalding tube 31, so that the tube body 1 cannot easily fall off from the carrier tube 42 when being pulled.

Referring to fig. 2, a first convex edge 44 is formed on the first nozzle part 41 along the circumferential direction, a second convex edge 62 is formed on one end, far away from the first nozzle part 41, of the first sleeve pipe 6, referring to fig. 1, the holding pipe 11 is sleeved on the first sleeve pipe 6, one end of the holding pipe 11 is abutted on the first convex edge 44, the other end of the holding pipe 11 is abutted on the second convex edge 62, a plurality of concave parts 111 are formed on the outer wall of the holding pipe 11 along the circumferential direction, the holding pipe 11 can fix the first sleeve pipe 6 and the joint 4 together, the end part of the body 1 can be firmly sleeved on the joint 4, moreover, a user can hold the holding pipe 11 to realize the connection between the joint 4 and the nasal obstruction oxygen inhalation pipe or the oxygen inhalation nasal mask, the concave parts 111 on the holding pipe 11 can increase friction force and facilitate holding of the holding pipe 11.

Referring to fig. 1 and 2, a connecting pipe 71 is formed at one end of the plug 7, a second pipe mouth 72 is formed at the other end of the plug 7, the second pipe mouth 72 is communicated with the connecting pipe 71, the second pipe mouth 72 is used for being connected with an oxygen pipe of an oxygenerator, in order to improve tightness, a sealing ring can be installed on the second pipe mouth 72, the other end of the pipe body 1 is sleeved on the connecting pipe 71, a second sleeve pipe 8 is sleeved on one end of the pipe body 1, namely, the end of the pipe body 1 is positioned between the inner wall of the second sleeve pipe 8 and the outer wall of the connecting pipe 71, the end of the pipe body 1 is sleeved on the connecting pipe 71, the second sleeve pipe 8 is sleeved on the pipe body 1, referring to fig. 8, a second spiral thread 81 is formed on the inner wall of the second sleeve pipe 8, the relevant size and the style of the spirally arranged anti-scalding pipe 31 are matched, namely, the second sleeve pipe 8 and the anti-scalding pipe 31 on the pipe body 1 are connected in a structure similar to a screw nut, so that the end of the second sleeve pipe 8 can be firmly sleeved on the second sleeve pipe 1 and the inner wall of the anti-scalding pipe 31 can be firmly sleeved on the second sleeve pipe 1 and the anti-scalding pipe 31, and the anti-scalding pipe 31 can be firmly prevented from being pulled on the second sleeve pipe 1 and the inner wall of the pipe 71 and the anti-scalding pipe 31.

Referring to fig. 2 and 8, a slot 82 is formed in the peripheral wall of the second sleeve 8, the wire harness of the heating wire 3 and the wire harness 51 of the temperature sensor 5 pass through the slot 82 and then are connected with the wiring terminal 2, the wiring terminal 2 is mounted on the plug connector 7, and the slot 82 on the second sleeve 8 can provide a shortcut for wiring of the wire harness of the heating wire 3 and the wire harness 51 of the temperature sensor 5, so that unnecessary redundant wire harnesses are reduced.

Referring to fig. 7, 9 and 10, a first cavity 73 is formed on the plug connector 7, the number of the wiring terminals 2 is two, one ends of the two wiring terminals 2 penetrate through the side wall 731 of the first cavity 73 and then extend out of the wall 75 of the plug connector 7, the ends of the two wiring terminals 2 extending out of the wall 75 of the plug connector 7 are connected with the wire harness of the heating wire 3 penetrating through the slot 82 and the wire harness 51 of the temperature sensor 5, the other ends of the two wiring terminals 2 are located at the opening of the first cavity 73, and when the plug connector 7 is plugged into an oxygenerator, the two wiring terminals 2 in the first cavity 73 on the plug connector 7 are connected with the circuit of the oxygenerator, so that signal transmission is realized.

Referring to fig. 1 and 2, a protective sleeve 9 is sleeved on the periphery of the second sleeve 8, and the ends of the two terminals 2 extending from the wall 75 of the plug 7 are located in the protective sleeve 9, so that the protective sleeve 9 can effectively protect the wire harness and the ends of the two terminals 2 from being exposed, thereby ensuring completeness and service life.

Referring to fig. 1 and 2, the socket 10 is in socket fit with the socket head 7; the specific structure of the socket 10 is as follows: referring to fig. 1, 2, 11 and 12, a second cavity 101 is formed on the socket 10, two opposite lugs 102 are formed on the side wall of the end part of the socket 10, a plug port 1021 is formed on each lug 102, a convex ring 103 is formed on the inner bottom of the second cavity 101, the convex ring 103 is matched with the second pipe mouth 72 on the plug 7, a cannula 105 communicated with the surrounding wall space of the convex ring 103 is formed on the outer bottom of the second cavity 101, when the socket 10 is installed on an oxygenerator, the cannula 105 on the socket 10 is connected with an oxygen pipe inside the oxygenerator, a convex part 104 is formed on the inner bottom of the second cavity 101, two through holes 1041 for two connecting terminals 2 to pass through are formed on the convex part 104, a conductive plug 106 can be plugged into each through hole 1041, when the plug 7 is plugged into the second cavity 101 on the socket 10, the second pipe mouth 72 on the plug 7 is plugged into the convex ring 103, two connecting terminals 2 are respectively plugged into the two through holes 1041, and when the signal transmission is realized on the oxygenerator and the plug connector 10 is installed on the plug 106; the external threads are formed on the plug seat 10, the plug seat 10 can be screwed on the oxygenerator, the plug tube 105 on the plug seat 10 is connected with an oxygen tube inside the oxygenerator, the plug sleeve 106 in the through hole 1041 is communicated with a circuit of the oxygenerator, when the plug connector 7 is plugged in the second concave cavity 101 on the plug seat 10, the second tube mouth 72 on the plug connector 7 is plugged in the convex ring 103 on the inner bottom of the second concave cavity 101, at the moment, the communication between the second tube mouth 72 and the plug tube 105 can be realized, oxygen produced by the oxygenerator can be sequentially conveyed into the tube body 1 through the plug tube 105, the second tube mouth 72 and the connecting tube 71, meanwhile, the two connecting terminals 2 are respectively plugged in the two conductive plug sleeves 106 in the two through holes 1041, and the two connecting terminals 2 are communicated with the circuit of the oxygenerator, so that signal transmission is realized.

In addition, referring to fig. 1, 2, 7, 9 and 10, the two sides of the plug 7 are respectively formed with obliquely arranged plug wings 74, each plug wing 74 is formed with a clip 741 extending outwards, and referring to fig. 9, the distance between the upper parts of the two plug wings 74 is smaller than the distance between the lower parts of the two plug wings 74, so that the two plug wings 74 are obliquely arranged relative to the axis of the connecting pipe 71; when the plug 7 is plugged into the second cavity 101 on the socket 10, the two buckles 741 on the two plug wings 74 on the plug 7 are respectively clamped into the two plug ports 1021 on the two lugs 102 of the socket 10, at this time, the plug 7 is firmly plugged into the socket 10 and cannot easily fall out, when the plug 7 needs to be taken down from the socket 10, the two plug wings 74 are held by hands and pressed inwards, the buckles 741 on the plug wings 74 fall out of the plug ports 1021, and then the plug 7 is pulled out outwards, the installation and the disassembly of the plug 7 and the socket 10 are very convenient, and the obliquely arranged plug wings 74 facilitate the plug 7 to be plugged into the second cavity 101 on the socket 10 and can ensure that the buckles 741 on the plug wings 74 cannot easily fall out after being clamped into the plug ports 1021.

Referring to fig. 11, a plane 108 is formed between the root of the two lugs 102 and the inner bottom of the second cavity 101, a guiding surface 107 is formed at the socket 1021, when the plug 7 is plugged into the second cavity 101 on the socket 10, the outer sides of the two plug wings 74 respectively abut against the two planes 108, and during the process of plugging the plug 7 into the second cavity 101 on the socket 10, the fastener 741 on the plug wings 74 can slide into the socket 1021 on the lugs 102 very easily through the guiding surface 107, and in the second cavity 101, the two planes 108 can clamp the two plug wings 74, so that the plug 7 cannot rotate easily in the second cavity 101.

Referring to fig. 7, the top of the first cavity 73 is formed with a receiving groove 76, referring to fig. 11, the inner wall of the second cavity 101 is formed with a protruding rib 109 along the axial direction, when the plug 7 is plugged into the second cavity 101 on the socket 10, the protruding rib 109 is aligned with the receiving groove 76, and then the plug 7 is plugged into the second cavity 101 on the socket 10, so that the second pipe mouth 72 on the plug 7 can be plugged into the protruding ring 103 on the inner bottom of the second cavity 101, and the two connection terminals 2 can be respectively inserted into the two conductive sockets 106 in the two through holes 1041, and the two buckles 741 on the two plugging wings 74 can be respectively snapped into the two plugging ports 1021 on the two lugs 102, so that the protruding rib 109 can be aligned with the receiving groove 76.

The controller (not shown) can be installed in the oxygenerator, and can also be integrated with the control part of the oxygenerator, when the plug 7 is plugged into the second concave cavity 101 on the plug socket 10, the wire harness 51 of the temperature sensor 5 is connected with the controller through the two wiring terminals 2 and the two conductive plug bushes 106, the wire harness of the heating wire 3 is connected with the controller through the two wiring terminals 2 and the two conductive plug bushes 106, and the controller can be a microcontroller or a singlechip; the temperature sensor 5 can detect the temperature of oxygen output from the pipe body 1 in real time, when the temperature sensor 5 detects that the temperature of oxygen is higher than a set value (such as 41 ℃), the controller controls the heating wire 3 to stop working, when the temperature sensor 5 detects that the temperature of oxygen is lower than the set value (such as 35 ℃), the controller controls the heating wire 3 to start working, so that the temperature of oxygen output from the joint 4 is maintained in a proper range such as 35-41 ℃, thereby enabling a user to breathe comfortable oxygen, and the temperature range of the oxygen can be properly adjusted according to the temperature of the environment, and the pipe is particularly suitable for cold areas in winter.

The oxygenerator comprises the constant-temperature oxygen pipe, the controller is arranged in the oxygenerator and can be integrated with the control part of the oxygenerator, the plug seat 10 is rotatably arranged on the oxygenerator, the insertion pipe 105 on the plug seat 10 is connected with the oxygen pipe inside the oxygenerator, the plug bush 106 in the through hole 1041 is communicated with the line of the oxygenerator, the plug connector 7 is plugged into the second concave cavity 101 on the plug seat 10, the two buckles 741 on the two plug wings 74 on the plug connector 7 are respectively clamped into the two plug ports 1021 on the two lugs 102 of the plug seat 10, and at the moment, the plug connector 7 is firmly plugged into the plug seat 10 and cannot be easily separated.

Referring to fig. 1, the plug seat 10 is screwed on the oxygenerator, the plug connector 7 is plugged in the second cavity 101 on the plug seat 10, two buckles 741 on two plug wings 74 on the plug connector 7 are respectively clamped in two plug ports 1021 on two lugs 102 on the plug seat 10, at this moment, the plug connector 7 is firmly plugged on the plug seat 10 and cannot easily deviate from the plug seat, a user can connect the first pipe mouth 41 of the connector 4 with a nasal plug oxygen inhalation pipe or an oxygen inhalation nose cover, oxygen produced by the oxygenerator is conveyed to the nasal plug oxygen inhalation pipe or the oxygen inhalation nose cover through the pipe body 1 for breathing by the user, as the heating wires 3 spirally arranged are wound on the periphery of the pipe body 1, the heating wires 3 spirally arranged can heat oxygen in the pipe body 1, the temperature sensor 5 can detect the temperature of the oxygen output from the pipe body 1 in real time, when the temperature sensor 5 detects the temperature of the oxygen is higher than a set value (such as 41 ℃, the temperature sensor is stopped at the temperature of the temperature sensor 3), the temperature sensor is not lower than the set value (such as 35 ℃ when the temperature sensor is stopped, the temperature sensor is not suitable for the temperature sensor is not influenced by the pipe body 1, the temperature sensor is not suitable for the temperature sensor is not influenced by the temperature sensor 3, and the temperature sensor is not suitable for the temperature sensor is not influenced by the temperature sensor 3, the temperature sensor is in the whole machine, the temperature sensor is not suitable for the temperature range of the temperature sensor is not being wound by the temperature 1, and the temperature sensor is suitable for the temperature sensor is not being 35, and the temperature is suitable for the temperature of the temperature sensor is not being the temperature of the temperature body, and the temperature sensor is suitable for the temperature pipe is not being the temperature 1, and is suitable for being the temperature is suitable for being the temperature and is not being the temperature and is suitable for the temperature and is not being the temperature and is being the temperature; when the plug 7 needs to be taken down from the socket 10, the two plug wings 74 are held by hands and pressed inwards, the clamping buckles 741 on the plug wings 74 are separated from the plug ports 1021, then the plug 7 is pulled out, the installation and the disassembly of the plug 7 are very convenient, and the obliquely arranged plug wings 74 facilitate the plug 7 to be plugged into the second concave cavity 101 on the socket 10, and can ensure that the clamping buckles 741 on the plug wings 74 are not easily separated after being clamped in the plug ports 1021.

The foregoing description is only of some embodiments of the present invention, and is intended to illustrate the technical means of the present invention, not to limit the technical scope of the present invention. The present invention is obviously modified by those skilled in the art in combination with the prior common general knowledge, and falls within the protection scope of the present invention.

Claims (10)

1. A constant temperature oxygen tube for oxygenerator, its characterized in that includes:

a tube body;

a connection terminal;

the heating wires are arranged at the periphery of the pipe body and are spirally distributed, and the heating wires are connected with the wiring terminals;

the joint is arranged at one end of the pipe body and is communicated with the pipe body;

a temperature sensor provided at the joint for detecting the temperature of the oxygen outputted from the tube body; and

and the controller is electrically connected with the temperature sensor, and the wiring terminal is electrically connected with the controller.

2. The constant temperature oxygen pipe according to claim 1, wherein the joint comprises a first pipe mouth and a bearing pipe which are communicated with each other, two through grooves which are arranged oppositely and are axially arranged along the bearing pipe are formed in the peripheral wall of the bearing pipe, the temperature sensor is arranged in the bearing pipe, two sides of the temperature sensor are respectively inserted into the two through grooves, and one end of the pipe body is sleeved on the bearing pipe.

3. The constant temperature oxygen pipe of claim 2, wherein the heating wire is sleeved with an anti-scalding pipe, the wire harness of the temperature sensor is accommodated in the anti-scalding pipe and is connected with the wiring terminal, a spiral groove is formed in the periphery of the pipe body, and the anti-scalding pipe is accommodated in the spiral groove in a spiral shape.

4. The constant temperature oxygen pipe of claim 2, further comprising a first sleeve, wherein the first sleeve is sleeved on one end of the pipe body sleeved on the bearing pipe, a first spiral line is arranged on the inner wall of the first sleeve, and the first spiral line is matched with heating wires which are spirally arranged on the pipe body.

5. The constant temperature oxygen pipe according to any one of claims 1 to 4, further comprising a plug connector, wherein the connecting terminal is arranged on the plug connector, a connecting pipe is arranged at one end of the plug connector, the other end of the pipe body is sleeved on the connecting pipe, and a second pipe mouth which can be connected with an oxygen pipe of the oxygen generator and is communicated with the connecting pipe is arranged at the other end of the plug connector.

6. The constant temperature oxygen pipe of claim 5, further comprising a second sleeve sleeved on the other end of the pipe body sleeved on the connecting pipe, wherein second spiral lines are arranged on the inner wall of the second sleeve and are matched with heating wires arranged in a spiral shape on the pipe body.

7. The constant temperature oxygen pipe of claim 6, wherein a slot is formed in the peripheral wall of the second sleeve, and the wire harness of the heating wire and the wire harness of the temperature sensor are connected with the wiring terminal after penetrating through the slot.

8. The constant temperature oxygen pipe of claim 7, further comprising a protective sleeve, wherein the plug connector is provided with a first concave cavity, one end of the connecting terminal penetrates through the side wall of the first concave cavity and then is connected with the wire harness of the heating wire and the wire harness of the temperature sensor, the other end of the connecting terminal is located at the opening of the first concave cavity, the protective sleeve is sleeved on the periphery of the second sleeve, and one end of the connecting terminal is located in the protective sleeve.

9. The constant temperature oxygen pipe according to claim 5, further comprising a socket, wherein the socket is provided with a second concave cavity, two opposite lugs are arranged on the side wall of the end part of the socket, a socket opening is arranged on the lugs, a convex ring matched with the second pipe mouth is arranged on the inner bottom of the second concave cavity, a convex part is further arranged on the inner bottom of the second concave cavity, a through hole for the wiring terminal to pass through is arranged on the convex part, a cannula communicated with the surrounding wall space of the convex ring is arranged on the outer bottom of the second concave cavity, inserting wings which are obliquely arranged are respectively arranged on two sides of the inserting wings, a buckle is arranged on each inserting wing,

when the plug connector is inserted into the second concave cavity on the plug connector, the second nozzle part is inserted into the convex ring, the wiring terminal is inserted into the through hole, and the two buckles are respectively clamped in the plug connector.

10. An oxygenerator, comprising the constant temperature oxygen pipe according to any one of claims 1 to 9, wherein the controller is arranged in the oxygenerator, and the other end of the pipe body can be communicated with the oxygen pipe of the oxygenerator.