CN210718308U - Ultra-low temperature defrosting equipment - Google Patents

Abstract

The utility model relates to the technical field of defrosting, in particular to an ultra-low temperature defrosting device, comprising a box body, a support plate is welded in the middle of the inner cavity of the box, a dehumidification structure is arranged on the left side of the top of the support plate, and the dehumidifier The structure is used for dehumidification and evaporation operations, the right side of the dehumidification structure is provided with a sensible heat exchanger, and the right side of the sensible heat exchanger is provided with a first vertical plate; The arrangement of structure, sensible heat exchanger, first vertical plate, return air structure, circulating evaporator, current sensor, circulation structure, refrigeration structure and boost structure solves the problem that the current detection point of defrosting in the north is through temperature, However, due to the low temperature outside, the defrosting operation will be more frequent, resulting in low energy efficiency of the heat pump host and reducing the defrosting speed. The ultra-low temperature defrosting equipment has the advantage of being able to monitor the current value in real time and avoid frequent work , worth promoting.

Description

A kind of ultra-low temperature defrosting equipment

technical field

The utility model relates to the technical field of defrosting, in particular to an ultra-low temperature defrosting device.

Background technique

Refrigeration frosting is generally located in the evaporator of the indoor unit. When cooling, the outdoor unit dissipates heat and the indoor unit absorbs heat. The purpose of the evaporator is to absorb heat (cooling), and the absorption of heat requires air circulation, which is carried away by air conduction. Heat, when the air flow is insufficient, the evaporator will be frosted, and the reason for the lack of air is often that the filter screen is not cleaned or the heat sink of the evaporator is not cleaned, which hinders the air flow, and the evaporator is frosted due to such reasons. The solution is to regularly clean and maintain the filter screen of the indoor unit and the heat sink of the evaporator. If the pipeline of the evaporator is blocked, the compressor has sufficient cooling capacity, but the local temperature of the evaporator is too low due to insufficient heat dissipation of the evaporator. , frost will form, and the reason for pipeline blockage is the quality of impurities and refrigerant in the pipeline.

At present, the detection point of defrosting in the north is through the temperature. However, due to the low temperature outside, the defrosting operation will be more frequent, resulting in low energy efficiency of the heat pump host and reducing the defrosting speed. To solve this problem, monitor the defrosting equipment to avoid frequent work of the machine.

Utility model content

The purpose of this utility model is to provide a kind of ultra-low temperature defrosting equipment, which has the advantages of being able to monitor the current value in real time, avoiding the frequent operation of the machine, and solving the problem that the current detection point of defrosting in the north is through the temperature, but due to the low temperature outside, This will make the defrosting operation more frequent, resulting in low energy efficiency of the heat pump host and reducing the defrosting speed.

In order to achieve the above purpose, the present invention provides the following technical solutions: an ultra-low temperature defrosting device, comprising a box body, a support plate is welded in the middle of the inner cavity of the box, and a dehumidification structure is provided on the left side of the top of the support plate, so The dehumidification structure is used for dehumidification and evaporation operations, the right side of the dehumidification structure is provided with a sensible heat exchanger, the right side of the sensible heat exchanger is provided with a first vertical plate, the sensible heat exchanger and the support plate Bolted between the first vertical plate and the support plate, the right side of the first vertical plate is provided with a return air structure, and the return air structure is used for air return work. A circulating evaporator and a current sensor are respectively provided on the right side of the wind structure, and both the circulating evaporator and the current sensor are bolted to the top of the support plate, and a circulation structure is provided on the top of the right side of the inner wall of the box. The circulation structure is used for air circulation work, the left side of the bottom of the box inner cavity is provided with a refrigeration structure, the refrigeration structure is used for refrigeration work, the right side of the bottom of the box inner cavity is provided with a booster structure, so The boosting structure is used to increase the gas pressure of the gas.

Preferably, the dehumidification structure includes a support table, the support table is fixedly connected to the top of the support plate, the right side of the top of the support table is bolted with a dehumidification evaporator, and the left side of the top of the support table is provided with a water support plate.

Preferably, the air return structure includes an air return port, the air return port is opened at the top of the box body, and a return air pipe is arranged in the inner cavity of the box body and below the air return port, and the top of the air return pipe is installed There is a return air cover, the return air cover is bolted to the top of the inner wall of the box, and the bottom end of the return air pipe penetrates the support plate and extends below the inner cavity of the box.

Preferably, the circulation structure includes an installation shell, the installation shell is fixedly installed with the inside of the box body, the inner side of the installation shell is respectively installed with a DC motor and a fan blade, and a through slot is opened on the top of the right side of the box body The outer side of the through groove is provided with a dustproof net, and the dustproof net is bolted to the outer wall of the box body.

Preferably, the refrigeration structure includes a condenser, a centrifugal fan and an air outlet, the condenser and the centrifugal fan are both bolted to the bottom of the inner cavity of the box, and the air outlet is opened at the bottom of the left side of the box.

Preferably, the boosting structure includes a second vertical plate, the second vertical plate is welded with the inner wall of the box, the right side of the second vertical plate is bolted with a connecting frame, and the right side of the connecting frame is fixed A compressor is installed.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model solves the current The detection point of defrosting in the north is through the temperature. However, due to the low temperature outside, the defrosting operation will be more frequent, resulting in low energy efficiency of the heat pump host and reducing the problem of defrosting speed. The advantages of real-time monitoring of the value and avoiding the frequent work of the machine are worthy of promotion.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left side view of the structure of the utility model;

FIG. 3 is a top view of the structure of the utility model.

In the figure: 1 box, 2 support plate, 3 dehumidification structure, 4 sensible heat exchanger, 5 first vertical plate, 6 return air structure, 7 circulating evaporator, 8 current sensor, 9 circulation structure, 10 refrigeration structure, 11 booster structure, 31 support table, 32 dehumidification evaporator, 33 water tray, 61 return air outlet, 62 return air duct, 63 return air hood, 91 installation shell, 92 DC motor, 93 fan blade, 94 channel, 95 Dust filter, 101 condenser, 102 centrifugal fan, 103 air outlet, 111 second vertical plate, 112 connecting frame, 113 compressor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-3, an ultra-low temperature defrosting equipment, including a box body 1, a support plate 2 is welded in the middle of the inner cavity of the box body 1, and a dehumidification structure 3 is provided on the left side of the top of the support plate 2. The dehumidification structure 3 is used for The dehumidification and evaporation operations are performed, the sensible heat exchanger 4 is arranged on the right side of the dehumidification structure 3, the first vertical plate 5 is arranged on the right side of the sensible heat exchanger 4, and the sensible heat exchanger 4 and the support plate 2 are bolted together, The first vertical plate 5 and the support plate 2 are welded. The right side of the first vertical plate 5 is provided with a return air structure 6. The return air structure 6 is used for air return work, and the right side of the return air structure 6 is respectively provided There are a circulating evaporator 7 and a current sensor 8. Both the circulating evaporator 7 and the current sensor 8 are bolted to the top of the support plate 2. The top right side of the inner wall of the box body 1 is provided with a circulation structure 9. The circulation structure 9 is used for For the air circulation work, a refrigeration structure 10 is provided on the left side of the bottom of the inner cavity of the box body 1. The refrigeration structure 10 is used for refrigeration work. The right side of the inner cavity of the box body 1 is provided with a booster structure 11. In order to increase the air pressure of the gas, through the box 1, the support plate 2, the dehumidification structure 3, the sensible heat exchanger 4, the first vertical plate 5, the return air structure 6, the circulating evaporator 7, the current sensor 8, the circulation structure 9, The setting of the refrigeration structure 10 and the boosting structure 11 solves the problem that the current detection point of defrosting in the north is through the temperature. However, due to the low temperature outside, the defrosting operation will be more frequent, resulting in low energy efficiency of the heat pump host and reducing the defrosting. The problem of speed, the ultra-low temperature defrosting equipment has the advantage of being able to monitor the current value in real time and avoid the frequent work of the machine, which is worthy of promotion.

In this embodiment, the dehumidification structure 3 includes a support table 31, which is fixedly connected to the top of the support plate 2, the right side of the top of the support table 31 is bolted with a dehumidification evaporator 32, and the left side of the top of the support table 31 is provided with a bracket The water pan 33 and the support table 31 are used for supporting and fixing work, and the dehumidifying evaporator 32 and the sensible heat exchanger 4 are used in cooperation to achieve the effect of discharging dry air.

In this embodiment, the air return structure 6 includes an air return port 61 . The air return port 61 is opened at the top of the box body 1 , and a return air duct 62 is arranged in the inner cavity of the box body 1 and below the air return port 61 . A return air cover 63 is installed at the top, and the return air cover 63 is bolted to the top of the inner wall of the box body 1. The bottom end of the return air pipe 62 penetrates the support plate 2 and extends to the bottom of the inner cavity of the box body 1. Air and steam are delivered to the lower part of the inner cavity of the box 1 for condensing work.

In this embodiment, the circulation structure 9 includes an installation shell 91 , which is fixedly installed with the inside of the box body 1 , the DC motor 92 and the fan blade 93 are respectively installed on the inner side of the installation shell 91 , and the top of the right side of the box body 1 is provided with Through slot 94, the outer side of through slot 94 is provided with a dustproof net 95, and the dustproof net 95 is bolted to the outer wall of the box body 1, and they are used for the outside air to be led to the inner cavity of the box body 1, and can also be used for The dust caused by negative air pressure is blocked.

In this embodiment, the refrigeration structure 10 includes a condenser 101 , a centrifugal fan 102 and an air outlet 103 . Both the condenser 101 and the centrifugal fan 102 are bolted to the bottom of the inner cavity of the box body 1 , and the air outlet 103 is opened on the left side of the box body 1 . At the bottom of the condenser 101, the entire working process of the condenser 101 is exothermic, and the centrifugal fan 102 is used to accelerate the gas, and then decelerate and change the flow direction to convert kinetic energy into potential energy.

In this embodiment, the boosting structure 11 includes a second vertical plate 111 . The second vertical plate 111 is welded to the inner wall of the box body 1 . The right side of the second vertical plate 111 is bolted with a connecting frame 112 , and the right side of the connecting frame 112 is bolted. The compressor 113 is fixedly installed. The second vertical plate 111 and the connecting frame 112 are used to install and fix the compressor 113. The compressor 113 lifts the low-pressure gas into high-pressure gas, and it sucks the low-temperature and low-pressure refrigerant from the suction pipe After the gas is compressed by the piston driven by the operation of the motor, the high temperature and high pressure refrigerant gas is discharged to the exhaust pipe to provide power for the refrigeration cycle.

Working principle: The fan draws the outside air to the evaporator, and then passes through the sensible heat exchanger 4. At this time, the water molecules in the air condense into water droplets, and the treated dry air is discharged out of the machine. This cycle keeps the indoor humidity at a suitable level. When the relative humidity is high, the air entering from the outside passes through the condenser 101, which can convert gas or vapor into liquid, and transfer the heat in the tube to the air near the tube in a fast way. During the operation of the equipment, through the The current sensor 8 detects the current value, draws a graph according to the temperature, humidity, and current value, and then judges whether defrosting should be done according to the graph, defrosting when the current value is large, and stopping defrosting when the current value is small.

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

Claims (6)

1. An ultra-low temperature defrosting device, comprising a box body (1), characterized in that: a support plate (2) is welded in the middle of the inner cavity of the box body (1), and a left side of the top of the support plate (2) is welded A dehumidification structure (3) is provided, the dehumidification structure (3) is used for dehumidification and evaporation operations, and a sensible heat exchanger (4) is arranged on the right side of the dehumidification structure (3), and the sensible heat exchanger ( 4) The right side is provided with a first vertical plate (5), the sensible heat exchanger (4) and the support plate (2) are bolted, the first vertical plate (5) and the support plate (2) The right side of the first vertical plate (5) is provided with an air return structure (6), the air return structure (6) is used for air return work, and the air return structure (6) A circulating evaporator (7) and a current sensor (8) are respectively provided on the right side of the tank. The circulating evaporator (7) and the current sensor (8) are both bolted to the top of the support plate (2). The top of the right side of the inner wall of the body (1) is provided with a circulation structure (9), the circulation structure (9) is used for air circulation work, and the left side of the bottom of the inner cavity of the box body (1) is provided with a refrigeration structure (9). 10), the refrigerating structure (10) is used for refrigerating work, the right side of the bottom of the inner cavity of the box body (1) is provided with a boosting structure (11), and the boosting structure (11) is used for increasing the gas air pressure. 2 . The ultra-low temperature defrosting equipment according to claim 1 , wherein the dehumidification structure ( 3 ) comprises a support table ( 31 ), and the support table ( 31 ) is fixed to the top of the support plate ( 2 ). 3 . Connection, the right side of the top of the support table (31) is bolted with a dehumidification evaporator (32), and the left side of the top of the support table (31) is provided with a water tray (33). 3 . The ultra-low temperature defrosting equipment according to claim 1 , wherein the air return structure ( 6 ) comprises an air return port ( 61 ), and the air return port ( 61 ) is opened at the end of the box ( 1 ). 4 . At the top, a return air duct (62) is arranged in the inner cavity of the box (1) and below the air return port (61), and a return air hood (63) is installed on the top of the return air duct (62), so The air return cover (63) is bolted to the top of the inner wall of the box body (1), and the bottom end of the air return pipe (62) penetrates the support plate (2) and extends below the inner cavity of the box body (1). 4 . The ultra-low temperature defrosting equipment according to claim 1 , wherein the circulation structure ( 9 ) comprises a mounting shell ( 91 ), and the mounting shell ( 91 ) is fixed to the inside of the box body ( 1 ). 5 . installation, the DC motor (92) and the fan blade (93) are respectively installed on the inner side of the installation shell (91), and the top of the right side of the box body (1) is provided with a through slot (94), the through slot ( The outer side of 94) is provided with a dustproof net (95), and the dustproof net (95) is bolted to the outer wall of the box body (1). 5. An ultra-low temperature defrosting device according to claim 1, characterized in that: the refrigeration structure (10) comprises a condenser (101), a centrifugal fan (102) and an air outlet (103), the condenser (103) (101) and the centrifugal fan (102) are bolted to the bottom of the inner cavity of the box body (1), and the air outlet (103) is opened at the bottom of the left side of the box body (1). 6. The ultra-low temperature defrosting equipment according to claim 1, characterized in that: the boosting structure (11) comprises a second vertical plate (111), and the second vertical plate (111) is connected to the box body (111). 1) The inner wall is welded, the right side of the second vertical plate (111) is bolted with a connecting frame (112), and a compressor (113) is fixedly installed on the right side of the connecting frame (112).

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