Inner leakage detection device for automobile evaporator

Abstract

The utility model discloses an automobile evaporator inner leakage detection device which comprises a smoke generator, a connector, a large hose, an expansion air bag ring and an inflation mechanism, a smoke outlet of the smoke generator is connected with the connector through the large hose, the expansion air bag ring is fixedly installed in the connector, and the inflation mechanism is used for inflating the expansion air bag ring to enable the expansion air bag ring to be expanded. The inflation mechanism comprises a miniature air pump, a hard tube and a small hose, the miniature air pump is fixedly installed on the smoke generator, an air outlet of the miniature air pump is connected with the hard tube, and the hard tube is connected with the expansion air bag ring through the small hose. According to the utility model, inner leakage detection is performed on the evaporator through smoke, which is convenient and fast; and through an inflation mechanism composed of a micro air pump and the like, the expansion air bag ring in the connector is inflated to be expanded, evaporator pipelines with different calibers can be quickly sealed and matched, and the application range is wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator internal leakage detection technical field especially relates to automobile evaporator internal leakage detection device. BACKGROUND

[0002] In the field of automobile evaporator maintenance and detection, the smoke method is a commonly used technical means for detecting evaporator internal leakage, and its core principle is to pass smoke into the evaporator pipeline, if there is a leakage point in the pipeline, the smoke will seep out of the leakage point, and the staff can locate the leakage point by observing the smoke leakage position, the operation is intuitive and can quickly troubleshoot small leaks, and is widely used in the industry.

[0003] However, the existing smoke detection device has obvious limitations in actual use: due to the differences in the diameters of automobile evaporator pipelines of different models and specifications, the connecting parts of the existing device are designed with fixed sizes, which cannot be flexibly adapted to evaporator pipelines of various diameters, resulting in a single application range, therefore, in view of the above status, it is urgent to develop an automobile evaporator internal leakage detection device that can detect internal leakage of the evaporator through smoke, is convenient and fast, and can quickly seal and adapt to evaporator pipelines of different diameters through the inflation mechanism composed of a miniature air pump and other components to inflate the inflatable air bag ring, so as to overcome the shortcomings in current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automobile evaporator internal leakage detection device to solve the problems raised in the background.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The automobile evaporator internal leakage detection device comprises a smoke generator, a connecting head, a large hose, an inflatable air bag ring, and an inflation mechanism, the smoke outlet of the smoke generator is connected with the connecting head through the large hose, the inflatable air bag ring is fixedly installed in the connecting head, the inflation mechanism is used for inflating the inflatable air bag ring to make it expand, and the inflation mechanism comprises a miniature air pump, a hard pipe, and a small hose, the miniature air pump is fixedly installed on the smoke generator, the air outlet of the miniature air pump is connected with the hard pipe, and the hard pipe is connected with the inflatable air bag ring through the small hose.

[0007] Preferably, the inflatable air bag ring is made of silicone rubber.

[0008] Preferably, a manual stop valve is installed on the hard pipe.

[0009] Preferably, a manual pressure relief valve is installed on the hard pipe.

[0010] The automobile evaporator inner leakage detection device has the advantages that when in use, the connecting head is inserted into the inlet of the evaporator pipeline, then the manual stop valve is opened and the manual pressure relief valve is closed, the miniature air pump is started to inflate the inflatable air bag ring to make it expand, so that the inflatable air bag ring is gradually pressed against the outer wall of the evaporator pipeline, the connecting head and the evaporator pipeline are sealingly connected, then the miniature air pump and the manual stop valve are closed, the air pressure in the inflatable air bag ring is stabilized, the connecting head can be quickly connected with evaporator pipelines of different diameters through the expansion performance of the inflatable air bag ring, then the smoke generator is started, the smoke generated by the smoke generator enters the evaporator pipeline through the large hose and the connecting head, if the pipeline has a leakage, the person can see the smoke leaking from the leakage, so that the leakage point can be quickly found, after use, the manual pressure relief valve is opened to make the inflatable air bag ring exhaust, finally, the connecting head and the inflatable air bag ring are removed from the evaporator pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0012] Fig. 2 It is a use state schematic view of the utility model.

[0013] Fig. 3 It is a part structure schematic view of the utility model.

[0014] Legend:

[0015] 1, smoke generator; 2, connecting head; 3, large hose; 4, inflatable air bag ring; 5, inflation mechanism; 501, miniature air pump; 502, hard pipe; 5021, manual stop valve; 5022, manual pressure relief valve; 503, small hose. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] The specific embodiments are given below.

[0018] Reference is made to Figs. 1-3The utility model discloses an automobile evaporimeter inner leakage detection device, including smoke generator 1, connecting head 2, big hose 3, inflatable airbag ring 4 and inflation mechanism 5, smoke generator 1 is used to produce smoke, smoke generator 1 is with power supply and switch button, the smoke outlet of smoke generator 1 is connected with connecting head 2 through big hose 3, and connecting head 2 is used to be connected with the evaporimeter pipeline of needing detection, the inflatable airbag ring 4 is fixedly installed in connecting head 2, the inflatable airbag ring 4 is used to seal and connect together connecting head 2 and evaporimeter pipeline, the inflation mechanism 5 is used to inflate and make it swell in inflatable airbag ring 4, the inflation mechanism 5 includes: micro air pump 501, hard pipe 502 and small hose 503, the micro air pump 501 is fixedly installed on smoke generator 1, and micro air pump 501 is with power supply and switch button, the air outlet of micro air pump 501 is connected with hard pipe 502, the hard pipe 502 is connected with inflatable airbag ring 4 through small hose 503, manual stop valve 5021 is installed on hard pipe 502, and manual stop valve 5021 is used to control the flow and cut-off in hard pipe 502, manual pressure relief valve 5022 is installed on hard pipe 502, and manual pressure relief valve 5022 is used to release pressure.

[0019] The inflatable airbag ring 4 is made of silicone rubber, which has good elasticity and chemical stability.

[0020] Working principle: the automobile evaporimeter inner leakage detection device, when using, first connecting head 2 is inserted to the inlet of evaporimeter pipeline, then, opens manual stop valve 5021 and closes manual pressure relief valve 5022, starts micro air pump 501 and makes it swell in inflatable airbag ring 4, so that inflatable airbag ring 4 gradually presses tightly to the outer wall of evaporimeter pipeline, realizes the sealed connection of connecting head 2 and evaporimeter pipeline, then, closes micro air pump 501 and manual stop valve 5021, so that the air pressure in inflatable airbag ring 4 stabilizes, the expansion performance of inflatable airbag ring 4 makes connecting head 2 can be connected with evaporimeter pipeline of different diameters quickly, then, starts smoke generator 1, and the smoke generated by smoke generator 1 enters evaporimeter pipeline through big hose 3 and connecting head 2, if the pipeline has leakage, people can see the smoke leaking from the leakage point, so as to find the leakage point quickly, after use, opens manual pressure relief valve 5022 and makes inflatable airbag ring 4 exhaust, finally, connecting head 2 and inflatable airbag ring 4 are taken off from evaporimeter pipeline.

[0021] In addition, it needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An apparatus for detecting a leak in an evaporator of an automobile, characterized by comprising: The utility model relates to a smoke generator (1), connecting head (2), big hose (3), inflation air bag ring (4) and inflation mechanism (5), the smoke outlet of smoke generator (1) is connected with connecting head (2) through big hose (3), connecting head (2) is fixedly installed with inflation air bag ring (4) in, and inflation mechanism (5) is used to inflate inflation air bag ring (4) and make it inflation, and inflation mechanism (5) includes: micro air pump (501), hard pipe (502) and small hose (503), micro air pump (501) is fixedly installed on smoke generator (1), and the air outlet of micro air pump (501) is connected with hard pipe (502), and hard pipe (502) is connected with inflation air bag ring (4) through small hose (503).

2. The automotive evaporator internal leak detection apparatus according to claim 1, wherein The inflation air bag ring (4) is made of silicone rubber.

3. The automotive evaporator internal leak detection apparatus of claim 1, wherein A manual stop valve (5021) is installed on the hard pipe (502).

4. The automotive evaporator internal leak detection apparatus of claim 1, wherein A manual pressure relief valve (5022) is installed on the hard pipe (502).

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