CN218157947U - Air inlet branch pipeline of wine measuring instrument and wine measuring instrument - Google Patents

Abstract

The utility model belongs to the technical field of survey wine appearance equipment, concretely relates to survey inlet branch pipeline of wine appearance and survey wine appearance. The air inlet branch pipeline for the wine tester is provided with an air inlet section and an air outlet section, wherein the air inlet section is connected with a main air inlet pipe, the air outlet section is connected with a flexible pipeline, the flexible pipeline is connected with an alcohol sensor, and a heating element is arranged outside at least one of the air inlet section and the air outlet section; the heating temperature of the heating member is controlled by the electronic control unit, and the heating temperature of the heating member is maintained at a level at or above the human body temperature. There is the heating member to heat the inlet branch pipeline and by electronic unit control in the outside of inlet branch pipeline, can keep at the human body temperature or the level that is a little higher than the human body temperature through the temperature that makes whole inlet branch pipeline, because the wall temperature of inlet branch pipeline is unanimous with the temperature of the gas temperature of blowing in or a little higher than the temperature of blowing in gas, avoid the vapor condensation in the gas, prevent that liquid water from getting into alcohol sensor, arouse to survey the wine appearance and damage.

Description

Air inlet branch pipeline of wine measuring instrument and wine measuring instrument

Technical Field

The utility model belongs to the technical field of survey wine appearance equipment, concretely relates to survey inlet branch pipeline of wine appearance and survey wine appearance.

Background

The alcohol content in the blown gas can be measured by the alcohol measuring instrument in the prior art, the pipeline structure of the alcohol measuring instrument is shown in figure 1, a branch pipeline 2 is arranged on a main air inlet pipe 1, the branch pipeline 2 is connected with an alcohol sensor module 4 through a hose 3, when the alcohol measuring instrument is used, the gas blown into the main air inlet pipe 1 of the alcohol measuring instrument contains moisture, part of the water exists in the form of fog drops or water drops, and part of the water exists in the form of water vapor and is condensed into a liquid state when contacting the wall surface of the pipeline, when the use frequency of the alcohol measuring instrument is low, the liquid water accumulated in the pipeline is relatively less, the liquid water has enough time to slowly evaporate into the atmosphere, but when the use frequency of the alcohol measuring instrument is high, the liquid water gradually accumulates and cannot be evaporated, and the liquid water enters the interior of the alcohol sensor along with the air flow blown by a user, so that a sensor chip is damaged, and the alcohol sensor cannot be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a survey wine appearance to solve among the prior art because liquid water gets into alcohol sensor and causes the problem of sensor chip damage. An object of the utility model is to provide a survey inlet branch pipeline of wine appearance to solve above-mentioned problem.

In order to achieve the above object, the utility model discloses a survey admission branch pipeline's of wine appearance technical scheme is: the air inlet branch pipeline is provided with an air inlet section and an air outlet section, the air inlet section is connected with the main air inlet pipe, the air outlet section is connected with the flexible pipeline, the flexible pipeline is connected with the alcohol sensor, and a heating element is arranged outside at least one of the air inlet section and the air outlet section; the heating temperature of the heating member is controlled by the electronic control unit, and the heating temperature of the heating member is maintained at a level at or above the human body temperature.

The beneficial effects are that: set up the heating member in the outside of air inlet branch road pipeline and heat air inlet branch road pipeline, and control through electronic unit, thereby make the temperature of whole air inlet branch road pipeline can keep at people's body temperature or the level that is a little higher than people's body temperature, when using the wine appearance of surveying to survey wine, because air inlet branch road pipeline's wall temperature with blow in gas temperature unanimous basically or a little higher than the temperature of blowing in gas, the vapor that blows in the gas is difficult for condensing on the pipe wall and forms liquid water, can avoid the formation of liquid water in the air inlet branch road pipeline well, play and prevent that moisture from getting into alcohol sensor.

Furthermore, the outside of the air inlet section and the air outlet section is provided with a heating element.

The beneficial effects are that: all set up the heating member through the section of admitting air at the branch of admitting air pipeline and the section outside of giving vent to anger, make the coverage of heating member on the branch of admitting air pipeline wider to the section of admitting air to the branch of admitting air pipeline with give vent to anger the section and heat simultaneously, avoid producing the comdenstion water in the section of admitting air or giving vent to anger.

Furthermore, the outside of the air inlet branch pipeline is provided with a heat insulation layer, a heating element is arranged in the heat insulation layer, and the heating element is tightly attached to the pipe wall of the air inlet branch pipeline.

The beneficial effects are that: the heat preservation parcel can keep warm outside air intake branch road pipe, adds heat-insulating material parcel simultaneously in keeping warm, avoids the heat to run off, ensures the heating effect of adding heat-insulating material, makes air intake branch road pipe's temperature can keep in appropriate level.

Furthermore, the air inlet branch pipeline is also provided with a water suction section, the water suction section is positioned between the air inlet section and the air outlet section, a mounting hole is formed in the pipe wall of the water suction section, and a water suction body is arranged in the mounting hole.

The beneficial effects are that: the moisture that gets into air inlet branch road pipeline not only has vapor, still some droplet along with gaseous entering, small droplet attaches the wall flow after touchhing the pipe wall like this, in addition, heating member heating needs time, when not heating to suitable temperature, also can appear partial comdenstion water and attach to on the pipe wall, absorb liquid water and the liquid water that carries in the gas on with the pipe wall through set up the body that absorbs water on the section that absorbs water, prevent that moisture from getting into the alcohol sensor, and through setting up the mounting hole, the body that absorbs water evaporates the moisture that absorbs water to the pipe wall is outside, make the interior moisture content of air inlet branch road pipeline descend.

Further, the air inlet branch pipeline comprises an inner pipeline, and the outer diameter of a water suction section of the inner pipeline is larger than the outer diameters of an air inlet section of the inner pipeline and an air outlet section of the inner pipeline; the outer fixed mounting of interior conduit has outer pipeline, and the heating member setting is outside outer pipeline, and the heat preservation parcel is on outer pipeline's outer wall, and outer pipeline's external diameter is the isodiametric structure.

The beneficial effects are that: set up outer pipeline and support the inner pipe, simultaneously, compare the inner pipe, the outside shape rule of outer pipeline makes the heat preservation can wrap up outside the outer pipeline completely, wraps up the inlet segment of inlet branch road pipeline, gives vent to anger the section and the section that absorbs water, realizes the holistic heat preservation of inlet branch road pipeline.

Furthermore, the outer pipeline is provided with an inner extending edge, the inner wall of the inner extending edge is matched with the outer wall of the inner pipeline, and the outer diameter of the outer pipeline is of an equal-diameter structure.

The beneficial effects are that: therefore, the inner pipeline can be fixedly connected with the outer pipeline through the outer extending edge, and the stability of connection between the outer pipeline and the inner pipeline is ensured.

Furthermore, the length of the outer pipeline is greater than that of the inner pipeline, the end faces of the air inlets of the outer pipeline and the inner pipeline are flush, and the inner pipeline is connected with a pipeline leading to the alcohol sensor; the end of the heat-insulating layer close to the air inlet is positioned in the middle of the air inlet section, and the end of the heat-insulating layer close to the air outlet is flush with the end face of the air outlet end of the outer pipeline.

The beneficial effects are that: the interface position of the inner pipeline and the flexible pipeline is positioned in the outer pipeline, so that the connecting position of the inner pipeline and the pipeline leading to the alcohol sensor is protected and is not easy to loosen, and a part of the pipeline leading to the alcohol sensor can be positioned in the heating range of the heating element and the heat preservation range of the heat preservation layer, and condensed water is prevented from appearing on the pipe wall of the air inlet of the pipeline leading to the alcohol sensor.

Furthermore, the mounting holes are formed in the water absorption section of the inner pipeline, and the outer pipeline is provided with air holes of the outer pipeline, wherein the positions and the shapes of the air holes of the outer pipeline correspond to those of the mounting holes; the part of the water absorbing section coated with the heat insulating layer is provided with heat insulating layer air holes, and the positions and the shapes of the heat insulating layer air holes correspond to those of the mounting holes.

The beneficial effects are that: the water absorption body can be connected with the outside atmosphere by arranging the air holes of the heat insulation layer and the air holes of the outer pipeline, so that the water in the water absorption body is convenient to evaporate into the atmosphere, and the water absorption body is prevented from being saturated and cannot be used continuously.

Further, the heating member is a heating wire.

The beneficial effects are that: the heater strip can encircle whole inlet branch pipeline outside, guarantees heating effect's good.

In order to achieve the above object, the utility model discloses in one kind survey wine appearance's technical scheme is: the alcohol sensor comprises an alcohol sensor module and an air inlet pipeline, wherein an air inlet branch pipeline is arranged on the air inlet pipeline.

The air inlet branch pipeline is provided with an air inlet section and an air outlet section, the air inlet section is connected with the main air inlet pipe, the air outlet section is connected with the flexible pipeline, the flexible pipeline is connected with the alcohol sensor, and a heating element is arranged outside at least one of the air inlet section and the air outlet section; the heating temperature of the heating member is controlled by the electronic control unit, and the heating temperature of the heating member is maintained at a level at or above the human body temperature.

The beneficial effects are that: outside at the inlet branch pipeline sets up the heating member and heats the inlet branch pipeline, and control through electronic unit, thereby make the temperature of whole inlet branch pipeline can keep at the human body temperature or the level that is a little higher than the human body temperature, when using survey the wine appearance and survey wine, because the wall temperature of inlet branch pipeline with blow in gas temperature unanimous basically or a little higher than the temperature of blowing in gas, the vapor that blows in the gas is difficult for condensation formation liquid water on the pipe wall, can avoid the formation of liquid water in the inlet branch pipeline well, play and prevent moisture entering alcohol sensor.

Furthermore, the outside of the air inlet section and the air outlet section is provided with a heating element.

The beneficial effects are that: all set up the heating member through the section of admitting air at the branch of admitting air pipeline and the section outside of giving vent to anger, make the coverage of heating member on the branch of admitting air pipeline wider to the section of admitting air to the branch of admitting air pipeline with give vent to anger the section and heat simultaneously, avoid producing the comdenstion water in the section of admitting air or giving vent to anger.

Furthermore, the outside of the air inlet branch pipeline is provided with a heat insulation layer, a heating element is arranged in the heat insulation layer, and the heating element is tightly attached to the pipe wall of the air inlet branch pipeline.

The beneficial effects are that: the heat preservation parcel can keep warm outside air intake branch road pipe, adds heat-insulating material parcel simultaneously in keeping warm, avoids the heat to run off, ensures the heating effect of adding heat-insulating material, makes air intake branch road pipe's temperature can keep in appropriate level.

Furthermore, the air inlet branch pipeline is also provided with a water suction section, the water suction section is positioned between the air inlet section and the air outlet section, a mounting hole is formed in the pipe wall of the water suction section, and a water suction body is arranged in the mounting hole.

The beneficial effects are that: the moisture that gets into the inlet branch road pipeline not only has vapor, some small drops along with gaseous entering still, small drop attaches the wall and flows after touchhing the pipe wall like this, in addition, heating member heating needs time, when not heating to suitable temperature, partial comdenstion water also can appear and attach to the pipe wall, absorb liquid water and the liquid water that carries in the gas on with the pipe wall through set up the body that absorbs water on the section that absorbs water, prevent that moisture from getting into alcohol sensor, and through setting up the mounting hole, the body that absorbs water evaporates the moisture that absorbs water to the outside of pipe wall, make the interior moisture content of inlet branch road pipeline descend.

Further, the air inlet branch pipeline comprises an inner pipeline, and the outer diameter of the water suction section of the inner pipeline is larger than the outer diameters of the air inlet section of the inner pipeline and the air outlet section of the inner pipeline; the outer fixed mounting of interior pipeline has outer pipeline, and the heating member setting is outside at outer pipeline, and the heat preservation parcel is on the outer wall of outer pipeline, and the external diameter of outer pipeline is the isodiametric structure.

The beneficial effects are that: set up outer pipeline and support the inner pipe, simultaneously, compare the inner pipe, the outside shape rule of outer pipeline makes the heat preservation can wrap up outside the outer pipeline completely, wraps up the inlet segment of inlet branch road pipeline, gives vent to anger the section and the section that absorbs water, realizes the holistic heat preservation of inlet branch road pipeline.

Furthermore, the outer pipeline is provided with an inner extending edge, the inner wall of the inner extending edge is matched with the outer wall of the inner pipeline, and the outer diameter of the outer pipeline is of an equal-diameter structure.

The beneficial effects are that: therefore, the inner pipeline can be fixedly connected with the outer pipeline through the outer extending edge, and the stability of connection between the outer pipeline and the inner pipeline is ensured.

Furthermore, the length of the outer pipeline is greater than that of the inner pipeline, the end faces of the air inlets of the outer pipeline and the inner pipeline are flush, and the inner pipeline is connected with a pipeline leading to the alcohol sensor; the end of the heat-insulating layer close to the air inlet is positioned in the middle of the air inlet section, and the end of the heat-insulating layer close to the air outlet is flush with the end face of the air outlet end of the outer pipeline.

The beneficial effects are that: the interface position of the inner pipeline and the flexible pipeline is positioned in the outer pipeline, so that the connecting position of the inner pipeline and the pipeline leading to the alcohol sensor is protected and is not easy to loosen, and a part of the pipeline leading to the alcohol sensor can be positioned in the heating range of the heating element and the heat preservation range of the heat preservation layer, and condensed water is prevented from appearing on the pipe wall of the air inlet of the pipeline leading to the alcohol sensor.

Furthermore, the mounting hole is arranged on the water absorbing section of the inner pipeline, and the outer pipeline is provided with an outer pipeline air hole which corresponds to the mounting hole in position and shape; the part of the water absorbing section coated with the heat insulating layer is provided with heat insulating layer air holes, and the positions and the shapes of the heat insulating layer air holes correspond to those of the mounting holes.

The beneficial effects are that: the water absorption body can be connected with the outside atmosphere by arranging the air holes of the heat insulation layer and the air holes of the outer pipeline, so that the water in the water absorption body is convenient to evaporate into the atmosphere, and the water absorption body is prevented from being saturated and cannot be used continuously.

Further, the heating member is a heating wire.

The beneficial effects are that: the heating wire can encircle outside whole air inlet branch pipeline, guarantees the good of heating effect.

Drawings

FIG. 1 is a schematic view of a pipeline structure of a wine measuring instrument in the prior art;

FIG. 2 is a cross-sectional view of embodiment 1 of the intake branch duct of the wine measuring instrument of the present invention;

fig. 3 is a schematic structural view of a branch intake pipe according to embodiment 1 of the present invention;

FIG. 4 is a perspective view of embodiment 1 of the intake branch pipe of the wine measuring instrument of the present invention;

description of reference numerals: 1. a main intake pipe; 2. a branch pipeline; 3. a hose; 4. an alcohol sensor module; 5. a waterproof breathable film; 6. an inner conduit; 61. an inner conduit gas inlet section; 62. an inner pipeline water suction section; 63. an inner pipeline air outlet section; 64. Mounting holes; 641. a lead-out part mounting groove; 642 a water absorption portion mounting hole; 7. an outer pipe; 71. an air inlet section of the outer pipeline is 711, and an inner extending edge is arranged; 72. a water suction section of the outer pipeline; 721. air holes are formed in the outer pipeline; 8. a heat-insulating layer; 81. air holes of the heat insulation layer; 9. a heating wire; 10. a water-absorbing fiber strip; 101. a water-absorbing part; 102. a lead-out section; 11. a flexible conduit; 13. mounting grooves; 14. and selecting a gas core pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is to be noted that, in the detailed description of the present invention, terms such as "first" and "second" may be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationship or order exists between such entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises a component of 8230; \8230;" comprises an element of 8230; "etc. may occur does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the component.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be interpreted broadly, for example, the object of "provided" may be a part of the main body, or may be arranged separately from the main body and connected to the main body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model discloses in provide embodiment 1 of survey inlet branch pipeline of wine appearance:

the air inlet branch pipeline of the wine tester in the embodiment comprises an air inlet section, an air outlet section and a water suction section, the air inlet branch pipeline comprises an inner pipeline 6 and an outer pipeline 7, as shown in fig. 2 and 3, the inner pipeline 6 comprises an inner pipeline air inlet section 61, an inner pipeline water suction section 62 and an inner pipeline air outlet section 63, the outer pipeline 7 comprises an outer pipeline air inlet section 71, an outer pipeline water suction section 72 and an outer pipeline air outlet section 73, and the tail end of the inner pipeline 6 is connected with the flexible pipeline 11 and leads to the alcohol sensor. As shown in fig. 2, the heating bodies are arranged outside the outer pipeline air inlet section 71 and the outer pipeline air outlet section 73, the heating bodies in this embodiment are heating wires 9, the heating wires 9 surround the outer surface of the outer pipeline 7, the heating wires 9 are controlled by the electronic control unit, so that the temperatures of the outer pipeline 7 and the inner pipeline 6 can be kept between 37 and 39 degrees, and thus the temperature of the whole air inlet branch pipeline is maintained at a level close to or slightly higher than the temperature of the exhaled air of a person, thereby avoiding the condensation of water vapor inside the air inlet branch pipeline.

Like fig. 2, 4, outer pipeline 7 outside still cladding has heat preservation 8, and heat preservation 8 parcel is at outer surface of outer pipeline 7, keeps warm to outer pipeline 7, and heater strip 9 is wrapped up inside heat preservation 8 to heater strip 9 is hugging closely outer pipeline 7's outer wall setting, and is good in order to ensure heater strip 9's heating effect. The axial length of the heat preservation layer 8 is smaller than that of the outer pipeline 7, and the heat preservation layer 8 is flush with the end face of the outer pipeline 7 at the air outlet position.

As shown in fig. 2 and 3, the water-absorbing fiber strip 10 includes a water-absorbing portion 101 and a leading portion 102, both the water-absorbing portion 101 and the leading portion 102 are rectangular structures, the mounting hole 64 includes a leading portion mounting groove 641 for mounting the leading portion 102, a water-absorbing portion mounting hole 642 for mounting the water-absorbing portion 101 is provided at the bottom of the leading portion mounting groove 641, as shown in fig. 2 and 3, the leading portion mounting groove 641 is a rectangular groove, the length direction of the leading portion mounting groove 641 is consistent with the axial direction of the inner pipeline 6, and the notch is located on the outer wall of the inner pipeline 6. Water absorbing portion mounting hole 642 is located derivation portion mounting groove 641 tank bottom middle part, and water absorbing portion mounting hole 642 is the slot hole structure, and length direction is unanimous with derivation portion mounting groove 641 length direction. The leading-out part 102 of the water-absorbing fiber strip 10 is tightly plugged into the leading-out part mounting groove 641, the length of the water-absorbing part 101 of the water-absorbing fiber strip is smaller than that of the water-absorbing part mounting hole 642, and mounting cavities are formed at two ends of the water-absorbing part 101 in the length direction of the water-absorbing mounting hole 642 after the water-absorbing part is mounted. When the drop of water flows along the inner wall of interior pipeline 6, moisture is absorbed by the portion 101 that absorbs water of the fiber strip 10 that absorbs water to, on absorbed moisture can permeate the derivation portion 102 of the fiber strip 10 that absorbs water gradually, because derivation portion mounting groove 641 is great in the open area on the pipe wall, can be sooner with the moisture evaporation to the atmosphere on the fiber strip 10 that absorbs water, prevent to cause the saturation that absorbs water of the fiber strip 10 because the long-time use of surveying the wine appearance, make survey the whole waterproof ability of wine appearance and descend. The wall thickness of the inner pipeline water absorption section 62 is greater than that of the inner pipeline air inlet section 61 and the inner pipeline air outlet section 63, so that the arrangement of the guiding part installation groove 641 and the water absorption part installation hole 642 is facilitated, and the water absorption fiber strips 10 can be conveniently installed on the pipe wall of the inner pipe 6 in a hole forming mode.

As shown in fig. 2, the air inlet end of the outer pipe 7 is flush with the air inlet end of the inner pipe 6, the axial length of the outer pipe 7 is greater than that of the inner pipe 6, the outer diameter of the inner pipe water absorption section 62 is greater than that of the inner pipe water absorption section 61 and the inner pipe air outlet section 62, and the mounting hole 64 is disposed on the inner pipe water absorption section 62. As shown in fig. 3 and 4, the inner diameter of the inner pipe water absorption section 62 is equal everywhere, and the wall thickness of the inner pipe water absorption section 62 is greater than the wall thickness of the branch air inlet pipe air inlet section 61 and the branch air inlet pipe air outlet section 63, which facilitates the arrangement of the guiding-out portion installation groove 641 and the water absorption portion installation hole 642. The outer diameter of the inner pipeline air outlet section 63 is smaller than that of the inner pipeline water suction section 62, and the air outlet end of the inner pipeline water suction section 62 is sleeved with a flexible pipeline 11 connected with an alcohol sensor.

As shown in fig. 2, a gas selection core tube 14 is arranged in the inner pipeline gas inlet section 61, the gas selection core tube 14 is of a conical tube structure, the gas selection core tube 14 and the inner pipeline 6 are integrally formed, the diameter of the gas inlet end of the gas selection core tube 14 is smaller than that of the gas outlet end, the outer pipeline 7 is arranged outside the inner pipeline 61, and the inner pipeline 61, the gas selection core tube and the outer pipeline 7 are coaxially arranged.

The gas selecting core pipe 14 has a gas selecting function, and gas in the middle of the pipeline of the gas selecting core pipe 14 cannot be in contact with the surrounding pipe wall of the inner pipeline 6, so that liquid water is not easy to condense to form. As shown in fig. 2, the inner pipe gas inlet section 61 forms a cavity structure between the gas selecting core tube 14 and the wall surface of the inner pipe gas inlet section 61, the cavity structure is an annular space, water on the wall surface of the gas inlet position of the inner pipe 6 can be collected by the cavity structure, liquid drops are prevented from flowing along the inner wall of the inner pipe and entering the alcohol sensor, and in addition, when condensed water on the wall surface of the main gas inlet pipe enters the gas inlet branch pipe along the wall surface, the condensed water also enters the annular cavity, and the function of preventing water from entering the alcohol sensor is achieved.

As shown in fig. 2, a waterproof breathable film 5 is disposed at the air inlet of the air selecting core tube 14, and the waterproof breathable film is fixed in the mounting groove 13 of the air inlet section 61 of the inner pipeline, in this embodiment, the waterproof breathable film 5 is made of expanded polytetrafluoroethylene (ePTFE), which can effectively reduce the water content in the gas entering the pipeline. The inner diameter of the inner pipe 6 is larger than the inner diameter of the part for accommodating the gas selecting core tube 14 on the side of the waterproof and breathable film 5 close to the gas inlet.

The outer wall of the air outlet position of the air selecting core tube 14 is attached to the inner wall of the front section 61 of the inner pipeline into a whole, a transition step is arranged at the attaching position, and the maximum inner diameter of the air selecting core tube 14 is smaller than the inner diameter of the inner pipeline 6 on one side of the air outlet direction of the attaching position. The outer diameters of the air inlet branch pipeline 61 from the air inlet end to the transition step are equal everywhere, and one side of the air outlet direction of the transition step is firstly a conical section pipeline with gradually increased outer diameter, then a straight section pipeline and then connected with the water suction section 62 of the air inlet branch pipeline.

As shown in fig. 2, the outer pipe 7 is fixed outside the inner pipe 6, the outer diameter of the outer pipe 7 is of an equal diameter structure, the inner diameter of the outer pipe 7 is larger than the outer diameter of the inner pipe water suction section 62, the outer pipe 7 has an inner extension edge 711 at the air inlet position, and the inner wall surface of the inner extension edge 711 is attached to the outer wall surface of the inner pipe air inlet section 61. Through the arrangement of the inner extension edge 711, the outer pipeline 7 and the branch air inlet 6 pipe are conveniently and fixedly installed, and meanwhile, the outer wall surface of the outer pipeline 7 is regular in shape, so that the heat-insulating layer 8 is conveniently coated and installed.

In this embodiment, be equipped with outer pipeline bleeder vent 721 on outer pipeline 7, be provided with heat preservation bleeder vent 81 on the heat preservation 8, the position and the quantity of outer pipeline bleeder vent 721 and heat preservation bleeder vent 81 all correspond with mounting hole 64, and the moisture is faster evaporated to the atmosphere in through the bleeder vent on outer pipeline 7 and the heat preservation 8 after the fibrous strip 10 that absorbs water sucks liquid water suction, avoids the water droplet to follow the pipe wall and gets into alcohol sensor. The outer pipeline air inlet section 71 is the position from the air inlet end of the outer pipeline 7 to the front edge of the outer pipeline air hole 72 extending along the axial direction of the outer pipeline, the outer pipeline water absorbing section 72 is the position from the front edge of the outer pipeline air hole 72 extending along the axial direction of the outer pipeline to the rear edge of the outer pipeline air hole 72, and then is the outer pipeline air outlet section 73.

The utility model discloses in the inlet branch pipeline embodiment 2 of survey wine appearance that provides:

the difference from the specific embodiment 1 is that the heating element in this embodiment is only arranged outside the air inlet section of the air inlet branch pipeline, and is not arranged outside the air outlet section of the air inlet branch pipeline.

The utility model discloses in survey admission branch pipeline embodiment 3 of wine appearance that provides:

the difference from embodiment 1 is that in this embodiment, the heat insulating layer 8 is not provided outside the inlet branch pipe 6, and the inlet branch pipe is heated by the heating wire 9 surrounding the inlet branch pipe.

The utility model discloses in the branch of admitting air pipeline embodiment 4 of survey wine appearance that provides:

the difference with embodiment 1 lies in, in this embodiment, the branch pipeline of admitting air does not have the section that absorbs water, does not set up the body that absorbs water yet, relies on heater strip 9 and heat preservation 8, avoids the interior vapor condensation of pipeline.

The utility model discloses in the inlet branch pipeline embodiment 5 of survey wine appearance that provides:

the difference from the specific embodiment 1 is that in this embodiment, the outer pipeline 7 is not arranged outside the inner pipeline 6, and the heat-insulating layer 8 and the heating body 9 are directly arranged outside the inner pipeline 6, so that the structure of the whole intake branch pipeline is simplified.

The utility model discloses in the inlet branch pipeline embodiment 6 of survey wine appearance that provides:

the difference from embodiment 1 is that in this embodiment, the inner extension edge 711 is not disposed on the pipe 7, and the inner pipe 6 and the outer pipe 7 are directly sleeved and fixed on the main intake pipe.

The utility model discloses in survey admission branch pipeline embodiment 7 of wine appearance that provides:

the difference from the embodiment 1 is that the air outlet ends of the inner pipe 6 and the outer pipe 7 in this embodiment are flush, and the flexible pipe 11 is directly sleeved on the outer pipe 7.

The utility model discloses in the branch of admitting air pipeline embodiment 8 of survey wine appearance that provides:

the difference with embodiment 1 lies in that, the heat preservation 8 parcel in this embodiment is on the outer wall of whole outer pipeline, and the one end that heat preservation 8 is close to air inlet department also sets up with outer pipeline 7 air inlet terminal surface parallel and level.

The utility model discloses in the inlet branch pipeline embodiment 9 of survey wine appearance that provides:

the difference from the specific embodiment 1 is that the insulating layer 8 in this embodiment is not provided with the insulating layer vents 81, and the insulating layer 8 is made of a breathable material, so that moisture absorbed by the water-absorbing fiber strips 10 can be evaporated into the atmosphere, and the water-absorbing fiber strips 10 are prevented from being saturated with water and being incapable of being used continuously.

The utility model discloses in the inlet branch pipeline embodiment 10 of survey wine appearance that provides:

the heating element is not a heating wire 9, but a heating block which is symmetrically arranged in the axial direction of the pipeline, so that the inner pipeline 6 can be heated, and the temperature of the inner pipeline 6 can be kept at the human body temperature or a level slightly higher than the human body temperature.

The utility model provides a survey the embodiment of wine appearance:

the embodiment of the alcohol measuring instrument, that is, the alcohol measuring instrument to which the intake branch pipe described in any one of embodiments 1 to 10 is attached, will not be described in detail here.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified without inventive effort, or some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The air inlet branch pipeline of the wine tester is characterized by comprising an air inlet section and an air outlet section, wherein the air inlet section is connected with a main air inlet pipe, the air outlet section is connected with a pipeline leading to an alcohol sensor, and a heating element is arranged outside at least one of the air inlet section and the air outlet section; the heating temperature of the heating element is controlled by the electronic control unit, and the heating temperature of the heating element is kept at the human body temperature or a level higher than the human body temperature.

2. The inlet manifold duct of a wine meter according to claim 1, wherein the heating element is provided outside both the inlet section and the outlet section.

3. The intake branch pipe of the wine measuring instrument according to claim 1, wherein a heat insulating layer (8) is provided outside the intake branch pipe, the heating element is disposed in the heat insulating layer (8), and the heating element is disposed in close contact with a pipe wall of the intake branch pipe.

4. The inlet branch pipe of the wine tester according to claim 3, wherein the inlet branch pipe further comprises a water absorption section, the water absorption section is located between the inlet section and the outlet section, a mounting hole (64) is formed in a pipe wall of the water absorption section, and a water absorption body is arranged in the mounting hole (64).

5. A gas inlet branch pipe of a wine meter according to claim 4, characterized in that the gas inlet branch pipe comprises an inner pipe (6), the outer diameter of the water suction section of the inner pipe (6) being larger than the outer diameters of the gas inlet section of the inner pipe (6) and the gas outlet section of the inner pipe (6); an outer pipeline (7) is fixedly mounted outside the inner pipeline (6), the heating element is arranged outside the outer pipeline (7), the heat-insulating layer (8) wraps the outer wall of the outer pipeline (7), and the outer diameter of the outer pipeline (7) is of an equal-diameter structure.

6. An inlet branch duct of a wine measuring instrument according to claim 5, characterized in that the outer duct has an inner extension (711), the inner wall of the inner extension (711) fitting with the outer wall of the inner duct (6).

7. An inlet branch duct of a wine meter according to claim 5, characterized in that the outer duct (7) has a greater length than the inner duct (6), the outer duct (7) being flush with the inlet end face of the inner duct (6), the inner duct (6) being connected to a duct connection leading to an alcohol sensor; the one end that heat preservation (8) are close to air inlet department is located the section middle part that admits air, heat preservation (8) are close to the terminal surface parallel and level of gas outlet one end and the gas outlet one end of outer pipeline (7).

8. The inlet branch duct of the wine measuring instrument according to claim 7, wherein the mounting hole (64) is provided on the water absorption section of the inner duct (6), an outer duct vent hole (721) is provided on the outer duct (7), and the outer duct vent hole (721) corresponds to the mounting hole (64) in position and shape; the water absorbing section is coated with the heat-insulating layer (8), the part of the water absorbing section is coated with the heat-insulating layer air holes (81), and the heat-insulating layer air holes (81) correspond to the mounting holes (64) in position and shape.

9. The inlet branch duct of a wine measuring instrument according to claim 1, wherein the heating element is a heating wire (9).

10. A wine measuring instrument comprises an alcohol sensor module and an air inlet pipeline, wherein an air inlet branch pipeline is arranged on the air inlet pipeline, and the wine measuring instrument is characterized in that the air inlet branch pipeline is the air inlet branch pipeline in any one of claims 1-9.

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