CN218823130U

CN218823130U - Connecting piece for detecting pipeline of dehumidifier and detection device

Info

Publication number: CN218823130U
Application number: CN202222712586.7U
Authority: CN
Inventors: 郑坤义; 宋国辉; 贾鑫; 顾建保
Original assignee: Beijing Huandu Top Air Conditioning Co ltd
Current assignee: Beijing Huandu Top Air Conditioning Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-07
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a connecting piece and detection device for detecting dehumidifier pipeline. This connecting piece includes: connecting sleeve (41) and rubber buffer (42), connecting sleeve (41) have first cooperation portion, rubber buffer (42) have second cooperation portion, first cooperation portion forms shrinkage pool (411) towards the direction that second cooperation portion corresponds, second cooperation portion forms boss (421), boss (421) and shrinkage pool (411) cooperation, the tapering of boss (421) and shrinkage pool (411) is 15 degrees to 30 degrees, first through-hole (4211) have been seted up on boss (421) for communicate with pipeline (70) under test; the end part of the concave hole (411) is provided with a second through hole (412) which is used for being communicated with the drainage assembly (30), and the second through hole (412) and the first through hole (4211) form a flow guide channel which is used for being communicated with the pipeline (70) to be tested. The utility model discloses be particularly suitable for carrying out short-term test to big capillary in batches.

Description

Connecting piece for detecting pipeline of dehumidifier and detection device

Technical Field

The utility model relates to a connecting piece for detecting dehumidifier pipeline still relates to corresponding detection device simultaneously, belongs to pipeline detection technical field.

Background

The dehumidifier often has the condition of obstructed pipelines. Therefore, a workshop welder needs to judge whether the pipeline of the dehumidifier is smooth or blocked in a blowing mode. For example, the air inlet of the dehumidifier is blown to make the air enter the pipeline, if the air can come out from the air outlet, the pipeline of the dehumidifier is smooth, otherwise, the pipeline is considered to be blocked. However, the detection mode cannot detect a micro-blocked pipeline, and has low working efficiency and wastes time and labor.

In addition, the dehumidifier uses a capillary tube, the diameter of which is usually about 2 mm, and the slender pipeline can cause that the micro blockage can not be detected by using a conventional detection tool. Therefore, a special detection tool is needed to accurately detect the blockage of the capillary tube, especially the micro-blockage.

Disclosure of Invention

The utility model aims to solve the first technical problem that a connecting piece for detecting dehumidifier pipeline is provided.

The utility model aims to solve another technical problem and provide a detection device for detecting dehumidifier pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model discloses an aspect provides a connecting piece for detecting dehumidifier pipeline, include: the connecting sleeve 41 and the rubber plug 42, the connecting sleeve 41 has a first matching part, the rubber plug 42 has a second matching part, the first matching part forms a concave hole 411 towards a direction corresponding to the second matching part, the second matching part forms a boss 421, the boss 421 is matched with the concave hole 411, and the taper of the boss 421 and the concave hole 411 is 15-30 degrees;

a first through hole 4211 is formed in the boss 421, and one end of the first through hole 4211 is communicated with the pipeline 70 to be tested;

the end of the concave hole 411 is further provided with a second through hole 412, the second through hole 412 is communicated with the drainage assembly 30, the second through hole 412 and the first through hole 4211 form a flow guide channel, and the flow guide channel is used for being communicated with the tested pipeline 70.

Preferably, the second through hole 412 and the first through hole 4211 are coaxially corresponding.

Preferably, the aperture of the first through hole 4211 is smaller than the aperture of the tested pipeline 70.

Preferably, the friction force generated by the extrusion deformation of the boss 421 and the concave hole 411 is f1, and the friction force generated by the extrusion deformation of the first through hole 4211 and the tested pipeline 70 is f2, wherein f1 is greater than f2.

According to the utility model discloses a second aspect provides a detection device for detecting dehumidifier pipeline, include:

the detection device comprises a base 10 and a detection mechanism 20, wherein the detection mechanism 20 is arranged on the base 10;

the drainage component 30 is a two-stage component, and the detection mechanism 20 is arranged between the two-stage components and is communicated with the two-stage components;

the connecting piece 40 is arranged at the end part of the drainage assembly 30, and the first end of the connecting piece is communicated with the drainage assembly 30; the second end of the connecting piece 40 is used for communicating with a pipeline 70 to be tested; wherein, the connecting piece 40 is the above-mentioned connecting piece.

Preferably, the drainage assembly 30 comprises: the first drainage component 31 is arranged on the base 10, and the first drainage component 31 is communicated with the second drainage component 32 through the detection mechanism 20;

one end of the first drainage component 31 is communicated with the first guide hole of the detection mechanism 20, the other end of the first drainage component is connected with the gas detection device 60, one end of the second drainage component 32 is communicated with the second guide hole of the detection mechanism 20, and the other end of the second drainage component is communicated with the pipeline 70 to be detected through the connecting piece 40.

Preferably, the first flow guiding assembly 31 comprises: a first drainage tube 311, one end of the first drainage tube 311 being communicated with the first guide hole, and the other end being communicated with the gas detection device 60; and/or the presence of a gas in the gas,

a regulating valve 312, the regulating valve 312 being installed on the first draft tube 311 at a side close to the gas detecting device 60, the regulating valve 312 being used to control the opening or closing of the gas; and/or a first pressure regulating valve 313, wherein the first pressure regulating valve 313 is arranged on the first drainage pipe 311 and is positioned between the regulating valve 312 and the detection mechanism 20, and the first pressure regulating valve 313 is used for regulating the pressure of gas.

Preferably, the second flow directing assembly 32 comprises: a second drainage tube 321, one end of the second drainage tube 321 is communicated with the second guide hole, and the other end of the second drainage tube 321 is communicated with the tested pipeline 70 through the connecting piece 40; and/or the presence of a gas in the gas,

and the air pipe connector 322 is sleeved on the second drainage pipe 321 and is matched with one side of the connecting piece 40, which is far away from the device to be tested.

Preferably, the detection mechanism 20 is a flow meter.

Compared with the prior art, the connecting piece and the detection device provided by the utility model can conveniently detect the smoothness degree of the capillary tube, and the detection accuracy is high; the replacement is convenient, and the device is particularly suitable for rapidly detecting mass capillaries.

Drawings

Fig. 1 is a schematic structural diagram of a detection device for detecting a pipeline of a dehumidifier in an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a connecting member according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure between a connection member and a tested pipeline according to an embodiment of the present invention.

Detailed Description

The technical content of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 3, a detection apparatus 100 according to an embodiment of the present invention includes: base 10, detection mechanism 20, drainage component 30, connecting piece 40. Wherein, detection mechanism 20 sets up on base 10, and drainage subassembly 30 is two segmentation subassemblies, and detection mechanism 20 sets up between two segmentation subassemblies, and detection mechanism 20 communicates with two segmentation subassemblies.

The connecting piece 40 is arranged at the end part of the drainage assembly 30, and the first end of the connecting piece 40 is communicated with the drainage assembly 30 (the drainage assembly 30 is used for the circulation of gas); the second end of the connector 40 communicates with the pipe 70 under test.

The detecting mechanism 20 is used for detecting the change of the gas flow of the detected pipeline 70, when the gas flow value of the detected pipeline 70 is higher than the predetermined value of the detecting mechanism 20, the detected pipeline 70 is in a smooth state, or when the gas flow value of the detected pipeline 70 is lower than the predetermined value of the detecting mechanism 20, the detected pipeline 70 is in a blocked state or a slightly blocked state.

The embodiment of the utility model provides an among the detection device 100, through setting up connecting piece 40 realized drainage subassembly 30 and by the intercommunication and the switching of measuring pipeline 70, and then realized that detection mechanism 20 detects the gas flow of being measured pipeline 70, through the gas flow value that is measured pipeline 70 and detects, and then judge that being measured pipeline 70 is in unobstructed state or jam state, for example, the gas flow value that is measured pipeline 70 and detects is higher than the predetermined value of detection mechanism 20, then being measured pipeline 70 and being in unobstructed state, the gas flow value that is measured pipeline 70 and detects is less than the gas flow value of detection mechanism 20, then being measured pipeline 70 and being in jam or little stifled state, this detection device has improved work efficiency, time saving and labor saving, thereby replaced the manual work and passed through the unobstructed or the jam of traditional mode detection pipeline of blowing.

As shown in fig. 1, in the detecting device 100 provided by the embodiment of the present invention, the drainage assembly 30 includes: first drainage component 31 and second drainage component 32, first drainage component 31 sets up on base 10, communicate through detection mechanism 20 between first drainage component 31 and the second drainage component 32, wherein, the one end of first drainage component 31 and the first guiding hole intercommunication of detection mechanism 20, the other end of first drainage component 31 is connected with gaseous detection device 60, second drainage component 32 one end and the second guiding hole intercommunication of detection mechanism 20, the other end of second drainage component 32 passes through connecting piece 40 and is communicated with measured pipeline 70, specifically speaking, the gaseous first drainage component 31 of gaseous detection device 60 entering, the gaseous first guiding hole from detection mechanism 20 of following of first drainage component 31 gets into detection mechanism 20, gaseous flow out through detection mechanism 20 from the second guiding hole through connecting piece 40 entering measured pipeline 70 again, and then realize being in unobstructed or the detection of jam state to measured pipeline 70.

As shown in fig. 1, in some embodiments, the first flow directing assembly 31 comprises: and a first draft tube 311, one end of the first draft tube 311 being communicated with the first guide hole, and the other end of the first draft tube 311 being communicated with the gas detection device 60, so that the gas of the gas detection device 60 enters the detection mechanism 20 from the first guide hole through the first draft tube 311.

As shown in fig. 1, in other embodiments, the adjusting valve 312 is installed on the first drainage tube 311 near one side of the gas detecting device 60, the adjusting valve 312 is fixed on the base 10 to ensure the stability of the adjusting valve 312, thereby ensuring the accuracy of the detection, the adjusting valve 312 is used to control the opening or closing of the gas, and it is also convenient to control the flow rate of the gas, for example, because the gas pressure is very high, the adjusting valve 312 needs to be opened slowly to prevent the detecting device from being damaged due to the excessive gas pressure.

In still another embodiment, as shown in fig. 1, a first pressure regulating valve 313 is installed in the first drain pipe 311, the first pressure regulating valve 313 is located between the regulating valve 312 and the detecting mechanism 20, the first pressure regulating valve 313 is fixed on the base 10 to ensure the stability of the first pressure regulating valve 313, the first pressure regulating valve 313 is used for regulating the pressure of the gas to a predetermined pressure, wherein the first pressure regulating valve 313 is a pressure reducing valve.

The second pressure regulating valve 601 is installed on the gas detection device 60, and the second pressure regulating valve 601 is used for regulating the pressure of the gas detection device 60 to be more than 1MPa, so that the regulated pressure of the gas detection device 60 reaches a preset pressure range; further, the regulating valve 312 is slowly opened to regulate the first pressure regulating valve 313 to a predetermined pressure, so as to detect the gas flow rate of the pipeline 70 to be detected.

In some embodiments, as shown in fig. 1, the second flow directing assembly 32 includes: one end of the second drainage tube 321 is communicated with the second guide hole, and the other end of the second drainage tube 321 is communicated with the tested pipeline 70 through the connecting piece 40;

in other embodiments, as shown in fig. 1 and 3, the air tube connector 322 is sleeved on the second drainage tube 321, and the air tube connector 322 is matched with a side of the connection element 40 away from the device under test (as shown in fig. 1 and 3), so that the air tube connector 322 is fixed, and the second drainage tube 321 is communicated with the connection element 40 and the pipeline 70 under test through the air tube connector 322.

It should be noted that the first guide hole is an air inlet of the detection mechanism 20, the second guide hole is an air outlet of the detection mechanism 20, the air inlet is communicated with the first drainage component 31, and the air outlet is communicated with the second drainage component 32.

The embodiment of the utility model provides an among the detection device 100, detection mechanism 20 is the flowmeter, the flowmeter is used for detecting unobstructed or the jam by survey pipeline 70, the second drainage tube 321 is connected to the venthole of flowmeter, second drainage tube 321 passes through trachea clamp 51 to be fixed on trachea support 50, wherein, trachea support 50 fixes on base 10, trachea support 50 is used for supporting the trachea, trachea clamp 51 is used for fixed trachea, the protection trachea prevents to be dragged, simultaneously, trachea support 50 can act as the handle and mention whole detection device.

The embodiment of the utility model provides a still provide a connecting piece 40. As shown in fig. 2 and 3, the connecting member 40 includes: adapter sleeve 41 and rubber buffer 42, adapter sleeve 41 has first cooperation portion, rubber buffer 42 has second cooperation portion, and first cooperation portion forms shrinkage pool 411 towards the direction that second cooperation portion corresponds, and second cooperation portion forms boss 421, and boss 421 and shrinkage pool 411 cooperate, realize adapter sleeve 41 and rubber buffer 42's assembly, and boss 421 are greater than the degree of depth of shrinkage pool 411 to guarantee that boss 421 fills up shrinkage pool 411 completely, increase the compactness of connecting.

In some embodiments, as shown in fig. 2 and 3, the boss 421 has a first through hole 4211, and one end of the first through hole 4211 is communicated with the measured pipeline 70, so as to achieve communication of the measured pipeline 70, and facilitate introduction of gas and detection of the measured pipeline 70.

The end of the concave hole 411 is further provided with a second through hole 412, the second through hole 412 is communicated with the drainage assembly, the second through hole 412 and the first through hole 4211 correspond to form a flow guide channel, the flow guide channel is communicated with the pipeline 70 to be detected, so that gas enters the pipeline 70 to be detected through the flow guide channel, detection of the pipeline 70 to be detected is achieved, and smoothness or blockage of the pipeline 70 to be detected is further determined, for example, when a gas flow value detected by the pipeline 70 to be detected is higher than a preset value of the detection mechanism 20, the pipeline 70 to be detected is in a smoothness state, or when the gas flow value of the pipeline 70 to be detected is lower than the preset value of the detection mechanism 20, the pipeline 70 to be detected is in a blockage or a micro-blockage state.

The boss 421 is matched with the concave hole 411, so that the first through hole 4211 and the second through hole 412 can coaxially correspond to each other; the diameter of the first through hole 4211 is smaller than that of the second through hole 412, the second through hole 412 is a threaded hole, and the threaded hole is in threaded fit with the air pipe connector 322, so that the first through hole 4211 is directly communicated with a cavity of the drainage assembly, airflow from the drainage assembly can completely and smoothly enter the first through hole 4211, and accuracy and reliability of a test result are guaranteed.

In some embodiments, as shown in fig. 2 and 3, the concave hole 411 is in a truncated cone shape, the boss 421 is in a truncated cone shape, and the concave hole 411 and the boss 421 are matched, wherein the concave hole 411 is in a truncated cone shape, and the boss 421 is also in a truncated cone shape, so that the connection tightness is improved.

In some embodiments, the aperture of the first through hole 4211 is smaller than the aperture of the measured pipeline 70, so that on one hand, the convenience of plugging the measured pipeline 70 is ensured, and on the other hand, the friction force generated by extrusion deformation when the rubber plug 42 is matched with the measured pipeline 70 is ensured, so that the measured pipeline 70 is matched with the rubber plug 42 more tightly, and good sealing performance is ensured. In addition, the tested pipeline 70 can be fixed in the rubber plug 42 even under the condition of pressurization, the tested pipeline is not pushed out of the rubber plug 42 due to air pressure, the first through hole 4211 and the second through hole 412 are always kept through in the whole testing process, and therefore the reliability of the testing result is guaranteed.

The embodiment of the utility model provides an in the connecting piece 40, boss 421 and shrinkage pool 411 have the tapering, the frictional force that boss 421 and shrinkage pool 411 extrusion deformation produced is F1, first through-hole 4211 and the frictional force that produces by survey pipeline 70 extrusion deformation are F2, wherein, F1 > F2, the effort F1 that will guarantee gaseous entering to be surveyed pipeline 70 on the one hand < F2, avoid effort F1 will be surveyed pipeline 70 and push out rubber buffer 42, on the other hand be convenient for fast switch by survey pipeline 70 (or will be surveyed pipeline 70 and insert rubber buffer 42 fast) in order to detect next survey pipeline 70. For this reason, the taper angles of the boss 421 and the concave hole 411 are 15 degrees to 30 degrees so that the friction force f1 inside the connection member 40 (the boss 421 and the concave hole 411) is greater than the friction force f2 of the measured pipeline 70 and the connection member 40, and the friction force f2 of the measured pipeline 70 and the connection member 40 is greater than the pressure of the gas on the measured pipeline 70.

It should be noted that the measured pipeline 70 includes: copper pipe 701 and capillary 702 (the diameter is usually only 2 millimeters), and copper pipe 701 one end communicates with connecting piece 40, and the other end communicates with capillary 702, mainly is the unobstructed or jam condition of detection capillary 702. The insertion of the pipe 70 to be tested into the rubber stopper 42 means that the copper pipe 701 is inserted into the first through hole 4211 of the rubber stopper 42.

The utility model provides a connecting piece and detection device for detecting dehumidifier pipeline, can conveniently detect the unobstructed degree of capillary, and detect the accuracy height; the replacement is convenient, and the device is suitable for rapidly detecting mass capillaries. The following is a detailed description with reference to a specific detection procedure:

firstly, a nitrogen cylinder switch on the gas detection device 60 is opened, a second pressure regulating valve 601 on the gas detection device 60 is regulated, the pressure of the nitrogen cylinder is regulated to 0.2Mpa, secondly, the regulating valve 312 is slowly opened, the air pipe joint 322 is communicated with the detection device for detecting the dehumidifier pipeline, the standard pressure value of a first pressure regulating valve 313 in the detection device for detecting the dehumidifier pipeline is 0.1Mpa, and finally, the detection device for detecting the dehumidifier pipeline is communicated with the pipeline 70 to be detected through a connecting piece 40, wherein the pipeline 70 to be detected has three types (in the embodiment, DS200/DS500 and DS800 are taken as examples), the gas flow value of the pipeline 70 to be detected (type DS 200) is measured to be lower than the preset value (for example, 200L/h) of the detection mechanism 20 to be unqualified, the pipeline 70 to be detected is in a blocked or micro-blocked state, the gas flow value of the pipeline 70 to be detected (type DS 200) is measured to be higher than the preset value 200L/h of the detection mechanism 20 to be qualified, and the pipeline 70 to be detected is in a smooth state. It should be noted that, for different models of pipelines to be measured, the predetermined value of the gas flow value is different.

In addition, the detection device for detecting the dehumidifier pipeline is a universal detection device, not only can detect the detected pipeline 70 with the model number of DS200, but also can detect the other two detected pipelines 70 with the model numbers of DS500 and DS800, when the gas flow value of the detected pipeline 70 (with the model numbers of DS500 and DS 800) is measured to be lower than the preset value (for example, 410L/h) of the detection mechanism 20 and is unqualified, the detected pipeline 70 is in a blocked or slightly blocked state, and the gas flow value of the detected pipeline 70 (with the model numbers of DS500 and DS 800) is measured to be higher than the preset value 410L/h of the detection mechanism 20 and is qualified, the detected pipeline 70 is in a smooth state.

When the measured gas flow rate of the measured pipe 70 is far lower than the predetermined value of the detecting means by 0L/h, that is, the flow rate difference between the measured gas flow rate of the measured pipe 70 and the predetermined value of the detecting means is 0, the measured pipe 70 is in a blocked state, and when the measured gas flow rate of the measured pipe 70 is lower than the predetermined value of the detecting means by 200L/h or 410L/h, that is, the smaller the flow rate difference between the measured gas flow rate of the measured pipe 70 and the predetermined value of the detecting means is, the measured pipe 70 is in a slightly blocked state.

It should be noted that, in a normal condition, the detection device for detecting the dehumidifier pipeline is in a set state (corresponding preset values are set for different types of measured pipelines), and the flow value can be directly read only by inserting and pulling the connecting piece without re-adjustment. Therefore, the detection device improves the working efficiency, saves time and labor, and replaces the manual mode of blowing to detect the smoothness or blockage of the pipeline.

Above the utility model provides a connecting piece and detection device for detecting dehumidifier pipeline have carried out detailed description. Any obvious modifications thereto, which would occur to one skilled in the art and which would not depart from the essence of the invention, would constitute a violation of the patent rights and would bear corresponding legal obligations.

Claims

1. A connecting piece for detecting dehumidifier pipelines is characterized by comprising:

adapter sleeve (41) and rubber buffer (42), adapter sleeve (41) have first cooperation portion, rubber buffer (42) have second cooperation portion, first cooperation portion towards the direction that second cooperation portion corresponds forms shrinkage pool (411), second cooperation portion forms boss (421), boss (421) with shrinkage pool (411) cooperation, boss (421) with the tapering of shrinkage pool (411) is 15 ~ 30 degrees;

a first through hole (4211) is formed in the boss (421), and one end of the first through hole (4211) is communicated with the pipeline to be measured (70);

the tip of shrinkage pool (411) still is equipped with second through-hole (412), second through-hole (412) and drainage subassembly (30) intercommunication, second through-hole (412) with first through-hole (4211) form the water conservancy diversion passageway, the water conservancy diversion passageway be used for with by survey pipeline (70) intercommunication.

2. The connector of claim 1, wherein:

the second through hole (412) and the first through hole (4211) coaxially correspond.

3. The connector of claim 2, wherein:

the aperture of the first through hole (4211) is smaller than that of the tested pipeline (70).

4. A coupling according to claim 3, wherein:

the friction force generated by the extrusion deformation of the boss (421) and the concave hole (411) is f1, the friction force generated by the extrusion deformation of the first through hole (4211) and the tested pipeline (70) is f2, wherein f1 is larger than f2.

5. The utility model provides a detection device for detecting dehumidifier pipeline which characterized in that includes:

the device comprises a base (10) and a detection mechanism (20), wherein the detection mechanism (20) is arranged on the base (10);

the drainage component (30) is a two-section component, and the detection mechanism (20) is arranged between the two-section component and is communicated with the two-section component;

the connecting piece (40) is arranged at the end part of the drainage assembly (30), and the first end of the connecting piece (40) is communicated with the drainage assembly (30); the second end of the connecting piece (40) is used for communicating with a tested pipeline (70), wherein the connecting piece (40) is the connecting piece in any one of claims 1-4.

6. The detecting device for detecting the pipeline of the dehumidifier as claimed in claim 5, wherein:

the drainage assembly (30) comprises: the first drainage assembly (31) is arranged on the base (10), and the first drainage assembly (31) is communicated with the second drainage assembly (32) through the detection mechanism (20); wherein,

one end of the first drainage component (31) is communicated with a first guide hole of the detection mechanism (20), the other end of the first drainage component is connected with the gas detection device (60), one end of the second drainage component (32) is communicated with a second guide hole of the detection mechanism (20), and the other end of the second drainage component is communicated with the pipeline to be detected (70) through the connecting piece (40).

7. The detecting device for detecting the pipeline of the dehumidifier as claimed in claim 6, wherein:

the first flow directing assembly (31) comprises: a first drainage tube (311), wherein one end of the first drainage tube (311) is communicated with the first guide hole, and the other end of the first drainage tube (311) is communicated with the gas detection device (60); and/or the presence of a gas in the gas,

a regulating valve (312), the regulating valve (312) being installed on the first draft tube (311) near one side of the gas detecting device (60), the regulating valve (312) for controlling opening or closing of gas; and/or the presence of a gas in the atmosphere,

the first pressure regulating valve (313), the first pressure regulating valve (313) is arranged on the first drainage pipe (311) and is positioned between the regulating valve (312) and the detection mechanism (20), and the first pressure regulating valve (313) is used for regulating the pressure of gas.

8. The detecting device for detecting the pipeline of the dehumidifier as claimed in claim 6, wherein:

the second flow directing assembly (32) comprises: one end of the second drainage tube (321) is communicated with the second guide hole, and the other end of the second drainage tube (321) is communicated with the tested pipeline (70) through the connecting piece (40); and/or the presence of a gas in the gas,

the air pipe connector (322), the air pipe connector (322) is sleeved on the second drainage pipe (321) and is matched with one side, away from the tested equipment, of the connecting piece (40).

9. The detecting device for detecting the pipeline of the dehumidifier as claimed in claim 5, wherein:

the detection mechanism (20) is a flowmeter.