CN218180232U - Air tightness detection mechanism for pipeline of water chiller - Google Patents

Abstract

The utility model relates to an airtight detection mechanism of cold water machine pipeline, which comprises a housin, the inside of casing is equipped with the drain pipe that is used for the coolant liquid outflow and the liquid return pipe that is used for the coolant liquid to retrieve, be equipped with between drain pipe and the liquid return pipe and detect the recovery subassembly, it includes first solenoid valve to detect the recovery subassembly, the right side of drain pipe is fixed with the second connecting pipe through the valve, the bottom of second connecting pipe is fixed with the model machine, the bottom of model machine is fixed with first connecting pipe, be fixed with the second solenoid valve on the liquid return pipe, the top of drain pipe is equipped with the ventilative piece. This airtight detection mechanism of cold water machine pipeline through before detecting the pipeline gas tightness, closes first solenoid valve and second solenoid valve earlier, opens the third solenoid valve again, lets in the air of 150KPa (can set up), waits the pipeline internal pressure stable back, closes the third solenoid valve, if pressure has the decline, explains that the pipeline has the leakage, alright in time maintain the pipeline of leaking.

Description

Air tightness detection mechanism for pipeline of water chiller

Technical Field

The utility model relates to a cold water machine pipeline airtightness detection technical field specifically is a cold water machine pipeline airtightness detection mechanism.

Background

The water cooler is divided into an air-cooled water cooler and a water-cooled water cooler in the industry, the water coolers are divided into a low-temperature water cooler and a normal-temperature water cooler in terms of temperature control, the normal temperature is generally controlled within the range of 0-35 ℃, and the temperature of the low-temperature water cooler is generally controlled within the range of 0-minus 45 ℃.

The existing water chiller is not provided with an airtight detection structure to carry out airtight detection on a pipeline of the water chiller when in use, so that the problem is solved by the airtight detection mechanism for the water chiller pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cold water machine pipeline airtightness detection mechanism possesses the convenience and carries out advantages such as airtight detection to the pipeline, has solved current cold water machine when using owing to do not set up airtight detection structure and carry out airtight detection to the pipeline of cold water machine for connect because of the pipeline is not connected well or break because of joint, the pipeline that ageing arouses easily and lead to the cooling leakage, influence cooling efficiency, cause the problem of the waste of the energy.

In order to achieve the above purpose, the utility model provides a following technical scheme: a pipeline airtightness detection mechanism for a water chiller comprises a shell, wherein a liquid outlet pipe for cooling liquid to flow out and a liquid return pipe for cooling liquid to be recovered are arranged inside the shell, and a detection recovery assembly is arranged between the liquid outlet pipe and the liquid return pipe;

the detection and recovery assembly comprises a first electromagnetic valve fixed with the liquid outlet pipe, a second connecting pipe is fixed to the right side of the liquid outlet pipe through a valve, a sample machine is fixed to the bottom of the second connecting pipe, a first connecting pipe is fixed to the bottom of the sample machine, the left side of the first connecting pipe is fixed to the right end of the liquid return pipe through the valve, a second electromagnetic valve is fixed to the liquid return pipe, and an air communicating piece is arranged at the top of the liquid outlet pipe.

Furthermore, the ventilation part comprises an air inlet pipe which is fixed with the top of the liquid outlet pipe, one end of the air inlet pipe penetrates through the top of the shell and extends to the top of the shell, and a third electromagnetic valve is fixed on the air inlet pipe.

Further, the right-hand member of drain pipe runs through and extends to the casing right side, the right-hand member of returning the liquid pipe runs through and extends to the casing right side.

Furthermore, a pressure gauge for detecting the pressure of the pipeline is fixed on the liquid return pipe.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the air tightness detection mechanism for the water chiller pipeline, before the air tightness of the pipeline is detected, the first electromagnetic valve and the second electromagnetic valve are closed, the third electromagnetic valve is opened, 150KPa (settable) air is introduced, after the pressure in the pipeline is stable, the third electromagnetic valve is closed, if the pressure is reduced, the pipeline leaks, and the leaked pipeline can be maintained in time.

2. This airtight detection mechanism of cold water machine pipeline through closing first solenoid valve, opens second solenoid valve and third solenoid valve, sweeps the pipeline with air pressure gas, makes in the coolant liquid gets back to the water tank, after experimental completion, and the coolant liquid in the recovery pipeline prevents that the coolant liquid from spilling over when tearing the model machine.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: the pressure measuring device comprises a shell 1, a pressure gauge 2, a first connecting pipe 3, a sample machine 4, a second connecting pipe 5, an air inlet pipe 6, a third electromagnetic valve 7, a first electromagnetic valve 8, a liquid outlet pipe 9, a liquid return pipe 10 and a second electromagnetic valve 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the water cooler pipe airtightness detection mechanism in this embodiment includes a housing 1, a liquid outlet pipe 9 for flowing out of a cooling liquid and a liquid return pipe 10 for recovering the cooling liquid are disposed inside the housing 1, and a detection and recovery component is disposed between the liquid outlet pipe 9 and the liquid return pipe 10.

The detection recovery assembly comprises a first electromagnetic valve 8 fixed with a liquid outlet pipe 9, a second connecting pipe 5 is fixed on the right side of the liquid outlet pipe 9 through a valve, a sample machine 4 is fixed at the bottom of the second connecting pipe 5, a first connecting pipe 3 is fixed at the bottom of the sample machine 4, the left side of the first connecting pipe 3 is fixed with the right end of a liquid return pipe 10 through a valve, a second electromagnetic valve 11 is fixed on the liquid return pipe 10, and a ventilation piece is arranged at the top of the liquid outlet pipe 9.

Wherein, the air breather includes and runs through and extend to the intake pipe 6 at casing 1 top with the fixed and one end in drain pipe 9 top, is fixed with third solenoid valve 7 on the intake pipe 6.

Meanwhile, the right end of the liquid outlet pipe 9 penetrates and extends to the right side of the shell 1, and the right end of the liquid return pipe 10 penetrates and extends to the right side of the shell 1.

In addition, a pressure gauge 2 for detecting the pressure of the pipeline is fixed on the liquid return pipe 10.

Specifically, before the air tightness of the pipeline is detected, the first electromagnetic valve 8 and the second electromagnetic valve 11 are closed, the third electromagnetic valve 7 is opened, 150KPa (settable) air is introduced, after the pressure in the pipeline is stable, the third electromagnetic valve 7 is closed, and if the pressure is reduced, the pipeline is leaked.

It should be noted that the air inlet pipe 6 is externally connected with an air compressor, the air compressor provides compressed air for the air inlet pipe 6, and the air compressor is an air compression device for flexibly adjusting air pressure in the prior art.

In addition, the device also has a dry air blowing function when in use, the first electromagnetic valve 8 is closed, the second electromagnetic valve 11 and the third electromagnetic valve 7 are opened, the pipeline is blown by air pressure, the cooling liquid returns to the water tank, and after the test is finished, the cooling liquid in the pipeline is recovered, so that the cooling liquid is prevented from overflowing when the sample dismantling machine 4 is used.

The working principle of the above embodiment is as follows:

(1) Before the air tightness of the pipeline is detected, the first electromagnetic valve 8 and the second electromagnetic valve 11 are closed, then the third electromagnetic valve 7 is opened, 150KPa (settable) air is introduced, after the pressure in the pipeline is stable, the third electromagnetic valve 7 is closed, and if the pressure is reduced, the pipeline is leaked.

(2) By closing the first solenoid valve 8, opening the second solenoid valve 11 and the third solenoid valve 7, the line is purged with air pressure, returning the coolant to the tank.

The utility model discloses a control mode is controlled through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply of power also belongs to the common general knowledge in this field, and the utility model discloses mainly use to protect mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, 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, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a water chiller pipeline airtightness detection mechanism, includes casing (1), its characterized in that: a liquid outlet pipe (9) for the outflow of cooling liquid and a liquid return pipe (10) for the recovery of the cooling liquid are arranged in the shell (1), and a detection recovery assembly is arranged between the liquid outlet pipe (9) and the liquid return pipe (10);

the detection and recovery assembly comprises a first electromagnetic valve (8) fixed with a liquid outlet pipe (9), a second connecting pipe (5) is fixed on the right side of the liquid outlet pipe (9) through a valve, a sample machine (4) is fixed at the bottom of the second connecting pipe (5), a first connecting pipe (3) is fixed at the bottom of the sample machine (4), the left side of the first connecting pipe (3) is fixed with the right end of a liquid return pipe (10) through a valve, a second electromagnetic valve (11) is fixed on the liquid return pipe (10), and an air communicating piece is arranged at the top of the liquid outlet pipe (9).

2. The water chiller pipeline airtightness detection mechanism according to claim 1, characterized in that: the ventilating piece comprises an air inlet pipe (6) which is fixed to the top of the liquid outlet pipe (9) and one end of the air inlet pipe penetrates through the top of the shell (1) and extends to the top of the shell, and a third electromagnetic valve (7) is fixed to the air inlet pipe (6).

3. The water chiller pipeline airtightness detection mechanism according to claim 1, characterized in that: the right-hand member of drain pipe (9) runs through and extends to casing (1) right side, the right-hand member of returning liquid pipe (10) runs through and extends to casing (1) right side.

4. The water chiller pipeline airtightness detection mechanism according to claim 1, characterized in that: and a pressure gauge (2) for detecting the pressure of the pipeline is fixed on the liquid return pipe (10).

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