CN210347026U

CN210347026U - Air tightness tester

Info

Publication number: CN210347026U
Application number: CN201921514196.0U
Authority: CN
Inventors: 李明秋; 曹喜锋
Original assignee: Changzhou Jiutian New Energy Technology Co ltd
Current assignee: Changzhou Jiutian New Energy Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-17
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to the technical field of test equipment, in particular to an air tightness tester, which comprises a test box body and at least one gas pipeline connected with the test box body, wherein the gas pipeline is connected with a male head and/or a female head of a connector and is used for supplying gas to an internal channel of the male head and/or the female head, and the test box body is used for controlling the gas supply pressure and the gas supply time of the supplied gas; and after the male head and/or the female head connected with the gas pipeline and the matched female head and/or the male head to be detected are inserted, the gas tightness test is carried out. The utility model discloses in, realize the quick test of photovoltaic connector gas tightness through the control to pressure, the mass production of being convenient for uses.

Description

Air tightness tester

Technical Field

The utility model relates to a test equipment technical field, concretely relates to gas tightness tester.

Background

At present, the photovoltaic connector air tightness test generally uses wet electric leakage tester, and the male head of connector and the female head to inserting will be soaked in aqueous in the test process, confirms whether stable through the observation to the aquatic bubble the gas tightness of connector, and this in-process is because test pressure is comparatively stable, consequently needs the extension test time to ensure the accuracy of test, need carry out the getting rid of moisture after the test is accomplished in addition, has increased the time cost of test in the intangible.

In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively researched and innovated in cooperation with the application of scholars, so as to create an air tightness tester, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air tightness tester realizes the quick test of photovoltaic connector gas tightness through the control to pressure, and the mass production of being convenient for is used.

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

the gas tightness tester comprises a testing box body and at least one gas pipeline connected with the testing box body, wherein the gas pipeline is connected with the male head and/or the female head of the connector and is used for supplying gas to an internal channel of the male head and/or the female head, and the testing box body is used for controlling the gas supply pressure and the gas supply time of the supplied gas;

and after the male head and/or the female head connected with the gas pipeline and the matched female head and/or the male head to be detected are inserted, the gas tightness test is carried out.

Further, the joint of the gas pipeline and the test box body is provided with a mounting joint, and the mounting joint comprises a plug which is fixedly arranged relative to the test box body and is used for being inserted into one end of the gas pipeline, and a pressing structure which is used for pressing the gas pipeline on the annular surface of the plug.

Furthermore, the plug comprises at least two cylindrical sections which have the diameters from small to large from the insertion side of the gas pipeline and are coaxially arranged along the axis, two adjacent cylindrical sections are connected through a conical surface, and a through flow passage is coaxially arranged in the plug.

Further, the extrusion structure at least comprises an air bag structure, the air bag structure and the through flow channel adopt the same air source for air supply, and the air pipeline is extruded through self expansion after air supply.

Further, the installing joint further comprises a sleeve for fixing the air bag structure, the sleeve is sleeved on the periphery of the plug, and an inner cavity for accommodating the air bag structure is formed between the sleeve and the plug.

Furthermore, the sleeve and one end of the plug are fixedly installed through the same flow guide plate, and the flow guide plate is used for guiding the gas from the test box body to the through flow channel and the air bag structure respectively.

Furthermore, the diameter of a flow guide hole in the flow guide plate for supplying air to the air bag structure is larger than that of the flow guide hole for supplying air to the through flow channel.

Through the technical scheme of the utility model, can realize following technological effect:

through the setting of gas tightness tester for public head and female head can realize the gaseous supply of different pressure after pegging graft, wherein, along with the regulation of air feed pressure and air feed time, can be at the in-process of gas pressurize, whether descend and carry out the evaluation of gas tightness at reasonable within range through pressure, and in this process, the connector remains clean dry and comfortable all the time, and can effectively shorten the time of test.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a gas tightness tester;

FIGS. 2 and 3 are schematic views of the installation of the gas line on different cylindrical sections of the plug;

FIG. 4 is a schematic structural view of a plug;

FIG. 5 is a schematic view of an extruded structure;

reference numerals: the test box comprises a test box body 1, a gas pipeline 2, an installation joint 3, a plug 31, a cylindrical section 31a, a conical surface 31b, a through flow passage 31c, an extrusion structure 32, an air bag structure 32a and a flow guide plate 4.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable 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 in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1, the air tightness tester comprises a testing box body 1 and at least one gas pipeline 2 connected with the testing box body 1, wherein the gas pipeline 2 is connected with a male head and/or a female head of a connector and is used for supplying gas to an internal channel of the male head and/or the female head, and the testing box body 1 is used for controlling the gas supply pressure and the gas supply time of the supplied gas; wherein, the male head and/or the female head connected with the gas pipeline 2 is/are spliced with the female head and/or the male head to be detected and then subjected to gas tightness test.

Through the setting of above-mentioned gas tightness tester for public head and female head can realize the gaseous supply of different pressure after pegging graft, wherein, along with the regulation of air feed pressure and air feed time, can be at the in-process of gas pressurize, whether descend and carry out the evaluation of gas tightness at reasonable within range through pressure, and in this process, the connector keeps clean dry and comfortable all the time, and can effectively shorten the time of test. Wherein, the gas in the test box 1 can adopt the air pump among the prior art to supply for, and control through valve body structure etc. can set up the manometer in the outside of test box 1 and observe air feed pressure, and comparatively accurate pressure numerical value display, thereby be convenient for quantify the reduction numerical value of pressure, the switch of operation also sets up on test box 1, thereby the operator of being convenient for operates.

Preferably, as for the above embodiment, the joint of the gas pipeline 2 and the testing box 1 is provided with the installation joint 3, the installation joint 3 includes a plug 31 fixedly arranged relative to the testing box 1 and used for being inserted into one end of the gas pipeline 2, and a pressing structure 32 for pressing the gas pipeline 2 on the annular surface of the plug 31, and by the arrangement of the pressing structure 32, the gas pipeline 2 can be quickly fixed after being sleeved outside the plug 31.

As shown in fig. 4, the plug 31 includes at least two cylindrical sections 31a having a diameter from a small diameter to a large diameter from a side where the gas pipe 2 is inserted, and having coaxial axes, two adjacent cylindrical sections 31a are connected by a tapered surface 31b, and a through flow passage 31c is coaxially disposed inside the plug 31. By the arrangement of the conical surface 31b, the gas pipeline 2 can be guided to the periphery of the cylindrical section 31a with matched diameter, so that the fixing requirements of the gas pipelines 2 with different diameters brought by various connectors are met. As shown in fig. 2 and 3, a schematic view of the pressing structure 32 pressing the gas pipe 2 against the different cylindrical sections 31a is shown.

As shown in fig. 5, the pressing structure 32 preferably includes at least an air bag structure 32a, and the air bag structure 32a and the through flow passage 31c are supplied with air from the same air source, and are inflated to press the gas line 2 after the air supply. The arrangement enables the gas pipeline 2 to be fixed by means of friction between the gas pipeline and the cylindrical section 31a when the gas supply test is not carried out, the stability of installation can be guaranteed under the condition of no external force, after gas supply, due to the existence of gas pressure, the gas pipeline 2 tends to be far away from the plug 31, and therefore through the arrangement of the airbag structure 32a, the friction force between the gas pipeline 2 and the cylindrical section 31a is increased when the gas supply is carried out, and the stability of connection is guaranteed.

As a preference of the above embodiment, the mounting connector 3 further includes a sleeve 33 for fixing the air bag structure 32a, the sleeve 33 is sleeved on the periphery of the plug 31, an inner cavity for accommodating the air bag structure 32a is arranged between the sleeve 33 and the plug 31, and by arranging the sleeve 33, the deformation direction of the air bag structure 32a is arranged towards the plug 31, so that effective application of the pressing force is ensured.

Preferably, the sleeve 33 and one end of the plug 31 are fixedly mounted by the same flow guide plate 4, the flow guide plate 4 is used for guiding the gas from the test box 1 into the through flow passage 31c and the air bag structure 32a, respectively, and the arrangement of the flow guide plate 4 ensures the relative position relationship between the sleeve 33, the air bag structure 32a and the plug 31, and the arrangement of the flow guide holes thereon is convenient. The diameter of the flow guide hole for supplying air to the air bag structure 32a on the flow guide plate 4 is larger than the diameter of the flow guide hole for supplying air into the through flow channel 31c, so that the air in the air bag structure 32a is ensured to be filled in advance by the relative throttling action of the flow guide hole with the smaller diameter, and the reliability of the extrusion force is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The air tightness tester is characterized by comprising a testing box body (1) and at least one gas pipeline (2) connected with the testing box body (1), wherein the gas pipeline (2) is connected with a male head and/or a female head of a connector and used for supplying gas to an internal channel of the male head and/or the female head, and the testing box body (1) is used for controlling the gas supply pressure and the gas supply time of the supplied gas;

and after the male head and/or the female head connected with the gas pipeline (2) and the matched female head and/or the male head to be detected are plugged, the gas tightness is tested.

2. The tightness tester according to claim 1, characterized in that the connection of the gas line (2) to the test chamber (1) is provided with a fitting (3), the fitting (3) comprising a plug (31) fixedly arranged with respect to the test chamber (1) and adapted to be inserted inside one end of the gas line (2), and a pressing structure (32) adapted to press the gas line (2) against an annular surface of the plug (31).

3. The tightness tester according to claim 2, wherein the plug (31) comprises at least two cylindrical sections (31 a) having a diameter from a small diameter to a large diameter from a side of the gas pipe (2) inserted therein and coaxially arranged along an axis, two adjacent cylindrical sections (31 a) are connected by a tapered surface (31 b), and a through flow passage (31 c) is coaxially arranged inside the plug (31).

4. The tightness tester according to claim 3, wherein the pressing structure (32) comprises at least a bladder structure (32 a), the bladder structure (32 a) and the through flow channel (31 c) are supplied with gas by the same gas source, and the gas line (2) is pressed by self-expansion after the gas supply.

5. The airtightness tester according to claim 4, wherein the mounting connector (3) further comprises a sleeve (33) for fixing the airbag structure (32 a), the sleeve (33) is sleeved on the periphery of the plug (31), and an inner cavity for accommodating the airbag structure (32 a) is arranged between the sleeve (33) and the plug (31).

6. The tightness tester according to claim 5, wherein the sleeve (33) is fixedly mounted with one end of the plug (31) by the same deflector (4), the deflector (4) being adapted to guide the gas from the test chamber (1) into the through flow channel (31 c) and into the air bag structure (32 a), respectively.

7. The tightness tester according to claim 6, wherein the deflector (4) has a deflector hole diameter for supplying air to the air bag structure (32 a) larger than a deflector hole diameter for supplying air into the through flow passage (31 c).