CN219265620U

CN219265620U - Cold storage

Info

Publication number: CN219265620U
Application number: CN202222306354.1U
Authority: CN
Inventors: 雒平; 刘飞; 王德武; 陈村; 李星亮; 周灿; 訚子翱
Original assignee: Third Construction Co Ltd of China Construction Third Engineering Division
Current assignee: Third Construction Co Ltd of China Construction Third Engineering Division
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-06-27
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of refrigeration houses, and provides a closed test structure for a refrigeration house, which comprises a fan which can be connected to a refrigeration house plate of the refrigeration house and used for inflating the refrigeration house, and a pressure gauge which can be arranged on the refrigeration house plate and used for monitoring the air pressure value in the refrigeration house, wherein the pressure gauge and the fan are both arranged outside the refrigeration house; the airtight test structure further comprises a smoke gun for driving smoke into the inflated refrigeration house. The utility model provides a freezer, including the storehouse and foretell airtight test structure for the freezer, the fan with the manometer is all installed on the storehouse. According to the utility model, the airtight test structure is arranged on the refrigeration house, so that the airtight test can be carried out on the refrigeration house before the installation and construction of the refrigeration house, the air tightness of the refrigeration house is judged in advance, and the loss caused after the installation is avoided; the method reduces the possibility of cold running of the refrigeration house, reduces the energy consumption of the operation of the refrigeration house, has higher construction requirements, and promotes construction units to attach importance to the construction quality.

Description

Cold storage

Technical Field

The utility model relates to the technical field of refrigeration houses, in particular to a refrigeration house.

Background

The existing assembly refrigeration house acceptance technology cannot complete refrigeration house tightness test, only controls the sealing of an installation link as much as possible in the construction process, ensures that the installation process is free of problems, but if the refrigeration house tightness is problematic, even if attention is paid in the construction process again, the air tightness requirement cannot be met. Generally speaking, the tightness of the enclosure structure of the assembled refrigeration house has very important influence on the operation and maintenance of the refrigeration house, if gaps exist, water vapor can enter the low-pressure side from the high-pressure side due to the action of the partial pressure of the water vapor, condensation water is formed and simultaneously freezes, and then the service life and the operation energy consumption of the refrigeration house are directly determined due to larger gaps of the refrigeration house plate caused by the larger and larger volume of ice.

Disclosure of Invention

The utility model aims to provide a refrigeration house which can at least solve part of defects in the prior art.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the utility model provides a freezer, includes the freezer and is used for airtight test structure of freezer, airtight test structure includes can connect on the board of freezer and to the fan of aerifing in the freezer and can install on the board and monitor the manometer of the atmospheric pressure value in the freezer, manometer and fan all are arranged in outside the freezer; the airtight test structure further comprises a smoke gun for driving smoke into the inflated refrigerator, and the fan and the pressure gauge are mounted on the refrigerator.

Further, the fan is connected into the refrigeration house through a pipeline.

Further, an air quantity measuring instrument is arranged on the pipeline.

Further, the pressure gauge is connected into the refrigeration house through an air pipe.

Further, the fan is an axial flow fan.

Further, the storehouse includes a plurality of storehouse boards, and each storehouse board is assembled into the storehouse, the fan with the manometer is all installed on the storehouse board.

Further, the fan and the pressure gauge are both installed on a warehouse board of the wall with the door opening of the warehouse.

Further, a pipeline is pre-buried on the warehouse board, one end of the pipeline is led into the warehouse, and the other end of the pipeline is connected with the fan.

Further, an air pipe is pre-buried on the warehouse board, one end of the air pipe is led into the warehouse, and the other end of the air pipe is connected with the pressure gauge.

Compared with the prior art, the utility model has the beneficial effects that: by providing the refrigeration house with the airtight test structure, the refrigeration house can be subjected to airtight test before installation and construction of the refrigeration house, so that the air tightness of the refrigeration house can be judged in advance, and the loss caused after installation is avoided; the method reduces the possibility of cold running of the refrigeration house, reduces the energy consumption of the operation of the refrigeration house, has higher construction requirements, and promotes construction units to attach importance to the construction quality.

Drawings

FIG. 1 is a schematic diagram of a closed test structure for a refrigerator according to an embodiment of the present utility model;

in the reference numerals: 1-a gap; 2-garage door; 3-a pressure gauge; 4-air quantity measuring instrument; 5-a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an embodiment of the present utility model provides a closed test structure for a refrigerator, including a fan 5 that can be connected to a board of the refrigerator and inflate the refrigerator, and a pressure gauge 3 that can be mounted on the board and monitor the air pressure value in the refrigerator, where the pressure gauge 3 and the fan 5 are both disposed outside the refrigerator; the airtight test structure further comprises a smoke gun for driving smoke into the inflated refrigeration house. In this embodiment, through being equipped with airtight test structure for the freezer, just can carry out airtight test to the freezer before freezer installation construction, judge in advance how the gas tightness of freezer, avoid causing the loss after the installation. Specifically, the test mode is specifically as follows: firstly, the door 2 of the refrigeration house is closed, the refrigeration house is plugged through a plastic film and an adhesive tape, then the air is inflated into the refrigeration house through a fan 5 to increase the air pressure in the refrigeration house, after the pressurization is stopped, the air pressure change in the refrigeration house is monitored through a pressure gauge 3, if the air pressure value is kept unchanged or is slowly reduced according to the setting requirement of the cold loss, the air tightness of the refrigeration house is qualified, and if the air tightness is reduced more quickly, the occurrence of a leakage point is suspected. The pressure gauge 3 is not only used for monitoring dynamic state, but also used for setting a threshold value, and the alarm is conducted to give an alarm when the pressure reaches the limit, so that the inflation can not be continued, and the collapse of the warehouse plate caused by excessive pressure is avoided. Meanwhile, a threshold value can be set, the change of the air pressure of people is prompted through an alarm, and a worker is not required to look at the numerical value on the pressure gauge 3 all the time. If there is the leak source, in order to know the leak source where, can throw into the flue gas in to the freezer through the pipe for generating a smoke, the flue gas can adopt colored flue gas, if there is the leak source, the flue gas can drift past to the leak source department to know where there is the leak source. In general, after the abnormal change of the numerical value of the pressure gauge 3 is found, smoke is pumped into the refrigeration house, then a worker enters the refrigeration house to check where the smoke goes, and the worker is matched with an external worker to determine a leakage point to perform compensation type maintenance. Typically, the leak points are all at the gap 1 where two library plates are spliced, and the whole library plate has little leak, although this is not precluded. The leakage point can be easily found through the flue gas.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1, the fan 5 is connected to the refrigerator through a pipeline. The pipeline is provided with an air quantity measuring instrument 4. The pressure gauge 3 is connected into the refrigeration house through an air pipe. The fan 5 is an axial flow fan. In this embodiment, the blower 5, the air volume measuring instrument 4, and the pressure gauge 3 are all conventional devices. The basic principle of the test is to evaluate the tightness of a closed container by maintaining a flow rate value at a certain pressure in the container according to the tightness evaluation of the closed container. The following formula is given:

wherein Q is the air quantity measured by the flowmeter and is expressed as cubic meters per hour, A is the maintenance area square meter of the assembled warehouse board, Q is the flow of unit area and is expressed as cubic meters per hour per square meter.

Referring to fig. 1, an embodiment of the present utility model provides a refrigerator, including a refrigerator and the above-mentioned airtight test structure for a refrigerator, where the fan 5 and the pressure gauge 3 are installed on the refrigerator. In this embodiment, with above-mentioned airtight test structure used on the freezer, through being equipped with airtight test structure for the freezer, just can carry out airtight test to the freezer before freezer installation construction, judge in advance how the gas tightness of freezer, avoid causing the loss after the installation. Specifically, the test mode is specifically as follows: firstly, the door 2 of the refrigeration house is closed, the refrigeration house is plugged through a plastic film and an adhesive tape, then the air is inflated into the refrigeration house through a fan 5 to increase the air pressure in the refrigeration house, after the pressurization is stopped, the air pressure change in the refrigeration house is monitored through a pressure gauge 3, if the air pressure value is kept unchanged or is slowly reduced according to the setting requirement of the cold loss, the air tightness of the refrigeration house is qualified, and if the air tightness is reduced more quickly, the occurrence of a leakage point is suspected. The pressure gauge 3 is not only used for monitoring dynamic state, but also used for setting a threshold value, and the alarm is conducted to give an alarm when the pressure reaches the limit, so that the inflation can not be continued, and the collapse of the warehouse plate caused by excessive pressure is avoided. Meanwhile, a threshold value can be set, the change of the air pressure of people is prompted through an alarm, and a worker is not required to look at the numerical value on the pressure gauge 3 all the time. If there is the leak source, in order to know the leak source where, can throw into the flue gas in to the freezer through the pipe for generating a smoke, the flue gas can adopt colored flue gas, if there is the leak source, the flue gas can drift past to the leak source department to know where there is the leak source. In general, after the abnormal change of the numerical value of the pressure gauge 3 is found, smoke is pumped into the refrigeration house, then a worker enters the refrigeration house to check where the smoke goes, and the worker is matched with an external worker to determine a leakage point to perform compensation type maintenance. Typically, the leak points are all at the gap 1 where two library plates are spliced, and the whole library plate has little leak, although this is not precluded. The leakage point can be easily found through the flue gas.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1, the warehouse includes a plurality of warehouse boards, each of which is assembled into the warehouse, and the fan 5 and the pressure gauge 3 are both installed on the warehouse boards. The fan 5 and the pressure gauge 3 are both arranged on a warehouse board of the wall with the door opening of the warehouse. The warehouse board is pre-buried with a pipeline, one end of the pipeline is led into the warehouse, and the other end of the pipeline is connected with the fan 5. The warehouse board is pre-buried with the trachea, tracheal one end lets in the storehouse, the other end is connected manometer 3. In this embodiment, the pipeline and the air pipe can be both pre-buried on the warehouse board, that is, just pre-buried two when leaving the factory, be detachable connection between fan 5 and the pipeline, be detachable connection between manometer 3 and the air pipe, just so can install or pull down fan 5 and manometer 3 as required.

As an optimization scheme of the embodiment of the utility model, the fan 5 and the pressure gauge 3 are both arranged in an equipment box, and the equipment box is arranged on the side wall of the refrigeration house. In this embodiment, an equipment box may be provided to house the blower 5 and the pressure gauge 3. The equipment box can be designed to be small and fixed on the side of the refrigerator or on the top.

As an optimization scheme of the embodiment of the utility model, sealant is arranged on the gaps 1 between the warehouse boards, and then the pressing strip is fixed on the gaps 1 to protect the sealant. Thereby improving sealing performance. The gaps 1 between the warehouse boards can be welded by welding, so that the sealing performance can be improved.

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

Claims

1. A freezer, its characterized in that: the air pressure test device comprises a warehouse and a closed test structure for the refrigerator, wherein the closed test structure comprises a fan which can be connected to a warehouse plate of the refrigerator and used for inflating the refrigerator and a pressure gauge which can be arranged on the warehouse plate and used for monitoring the air pressure value in the refrigerator, and the pressure gauge and the fan are both arranged outside the refrigerator; the airtight test structure further comprises a smoke gun for driving smoke into the inflated refrigerator, and the fan and the pressure gauge are mounted on the refrigerator.

2. The refrigerator of claim 1, wherein: the fan is connected into the refrigeration house through a pipeline.

3. The refrigerator of claim 2, wherein: and an air quantity measuring instrument is arranged on the pipeline.

4. The refrigerator of claim 1, wherein: the pressure gauge is connected into the refrigeration house through an air pipe.

5. The refrigerator of claim 1, wherein: the fan is an axial flow fan.

6. The refrigerator of claim 1, wherein: the storehouse comprises a plurality of storehouse plates, each storehouse plate is assembled into the storehouse, and the fan and the pressure gauge are both installed on the storehouse plates.

7. The refrigerator of claim 6 wherein: the fan and the pressure gauge are both arranged on a warehouse board of the wall with the door opening at the warehouse.

8. The refrigerator of claim 6 wherein: the warehouse board is pre-buried with a pipeline, one end of the pipeline is led into the warehouse, and the other end of the pipeline is connected with the fan.

9. The refrigerator of claim 6 wherein: the warehouse board is pre-buried with the trachea, tracheal one end lets in the storehouse, the other end is connected the manometer.