CN219367912U - Side-feeding type hot air curtain machine of low-temperature air source heat pump - Google Patents

Abstract

The utility model provides a side-feeding type hot air curtain machine of a low-temperature air source heat pump, which comprises the following components: the indoor unit comprises a detachable single-layer shutter, a detachable filter screen, a condenser, an electric auxiliary heating device, a centrifugal fan, a duckbill air outlet and a control panel; the heat exchange fan is positioned at the upper part of the evaporator, and the defrosting water collecting disc is positioned at the lower part of the evaporator; an inlet of the defrosting drain pipe is connected with the defrosting water collecting disc, and an outlet of the defrosting drain pipe is connected with the municipal drain pipeline; the condenser and the electric auxiliary heating device are connected with the compressor through a refrigerant and a cable pipeline; the detachable single-layer shutter and the detachable filter screen are positioned at one side of the condenser and the electric auxiliary heating device. The beneficial effects of the utility model are as follows: simple structure, simple to operate has solved traditional hot air curtain machine water pipeline and heat exchange coil frost crack problem, can reduce the distribution capacity again simultaneously, reduces the operation energy consumption.

Description

Side-feeding type hot air curtain machine of low-temperature air source heat pump

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a side-feeding type hot air curtain machine of a low-temperature air source heat pump.

Background

According to the national design specification GB50736-2012 for heating ventilation and air conditioning of civil buildings, the outer door of public buildings in severe cold regions of China should adopt measures such as hot air curtain to reduce cold air immersion in winter. Particularly, if a hot air curtain is not designed at the positions of an outer door for the frequent entry and exit of a luggage vehicle in a terminal baggage sorting hall, a high outer door for the frequent passage of an industrial building factory building vehicle and the like, larger cold air immersion can be generated.

At present, the arrangement of the hot air curtain for the outer door of the terminal building mainly has two forms, one is a hot air curtain which adopts ordinary hot water as a heat source, and the hot air curtain is characterized by being relatively energy-saving, has the defects that a water supply and return pipeline of a water system is longer, the structural arrangement is more complex, the space of a suspended ceiling is occupied more, and frost cracking phenomenon is often generated at a water conveying pipeline positioned at a gate and a coil pipe in the air curtain, so that the equipment is inconvenient for normal use; the other is an electric hot air curtain, and the electric hot air curtain has the advantages of simple structure and high electric equipment investment cost and later operation cost because of high electric power consumption although the electric hot air curtain has no defects of frost cracking.

Disclosure of Invention

The utility model provides a side-feeding type hot air curtain machine of a low-temperature air source heat pump, which solves the problems of frost cracking of a water pipeline and a heat exchange coil and high operation energy consumption in the prior art.

The technical scheme of the utility model is realized as follows:

a low temperature air source heat pump side feed hot air curtain machine comprising: the indoor unit comprises a detachable single-layer louver, a detachable filter screen, a condenser, an electric auxiliary heating device, a centrifugal fan, a duckbill air outlet and a control panel which are vertically arranged; the heat exchange fan is positioned at the upper part of the evaporator, and the defrosting water collecting disc is positioned at the lower part of the evaporator; an inlet of the defrosting drain pipe is connected with the defrosting water collecting disc, and an outlet of the defrosting drain pipe is connected with a municipal drain line; the condenser and the electric auxiliary heating device are connected with the compressor through a refrigerant and cable pipelines; the detachable single-layer louver and the detachable filter screen are positioned on one side of the condenser and the electric auxiliary heating device, the other side of the condenser and the electric auxiliary heating device is provided with the centrifugal fan, the duckbill air outlet is positioned on the outer side of the centrifugal fan, and a motor of the centrifugal fan is electrically connected with the condenser and the electric auxiliary heating device; the refrigerant and the cable pipeline are connected with the power line.

Preferably, the outdoor unit is a prolate multi-fan-shaped outdoor unit, and the number of the heat exchange fans is 3 or more.

Preferably, a remote control device is also included.

The beneficial effects of the utility model are as follows:

simple structure, simple to operate has solved traditional hot air curtain machine water pipeline and heat exchange coil frost crack problem, can reduce the distribution capacity again simultaneously, reduces the operation energy consumption.

When the outdoor unit performs defrosting operation in winter, indoor energy can be ensured to continuously supply heat through the indoor electric auxiliary heating device.

The detachable filter screen is arranged at the indoor air inlet, so that the fins of the indoor condenser are effectively protected to be clean, and the cleaning is convenient. The switching between the winter hot air mode and the transition season and summer common ventilation curtain mode can be realized.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a side-feed hot air curtain machine of a low temperature air source heat pump according to the present utility model;

in the figure:

1. the heat exchange fan, 2, the evaporator, 3, defrosting drain pipe, 4, defrosting water collector, 5, compressor, 6, refrigerant and cable line, 7, detachable individual layer tripe, 8, detachable filter screen, 9, condenser and electric auxiliary heating device, 10, centrifugal fan, 11 duckbill air outlet, 12, control panel, 13, power cord, 14, remote control unit.

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.

As can be seen from the embodiment shown in fig. 1, the low-temperature air source heat pump side-feeding type hot air curtain machine according to the present utility model comprises: the indoor unit comprises a detachable single-layer louver 7, a detachable filter screen 8, a condenser, an electric auxiliary heating device 9, a centrifugal fan 10, a duckbill air outlet 11 and a control panel 12 which are vertically arranged; the heat exchange fan 1 is positioned at the upper part of the evaporator 2, and the defrosting water collecting tray 4 is positioned at the lower part of the evaporator 2; an inlet of the defrosting drain pipe 3 is connected with the defrosting water collecting disc 4, and an outlet of the defrosting drain pipe 3 is connected with a municipal drain pipeline; the condenser and the electric auxiliary heating device 9 are connected with the compressor 5 through a refrigerant and a cable pipeline 6; the detachable single-layer louver 7 and the detachable filter screen 8 are positioned on one side of the condenser and the electric auxiliary heating device 9, the other side of the condenser and the electric auxiliary heating device 9 is provided with the centrifugal fan 10, the duckbill air outlet 11 is positioned on the outer side of the centrifugal fan 10, and the motor of the centrifugal fan 10 is electrically connected with the condenser and the electric auxiliary heating device 9; the refrigerant and cable line 6 is connected to the power line 13.

The outdoor unit adopts a prolate multi-fan-shaped outdoor unit, and the number of the heat exchange fans 1 is more than 3.

The low temperature air source heat pump side-feed hot air curtain machine also comprises a remote control device 14.

The working principle of the side-feeding type hot air curtain machine of the low-temperature air source heat pump is as follows:

the outdoor unit is arranged on the outdoor awning, and is in a prolate multi-fan shape in order to facilitate the concealed installation of the outdoor unit on the awning. The outdoor unit mainly provides heat for the tail end of the indoor unit through the compressor 5, 20-50kW of heating capacity can be provided according to actual conditions, a normal working mode of the outdoor unit is provided with a heating mode and a defrosting mode, defrosting times can be increased when outdoor air humidity is high in winter and temperature is low, defrosting water is collected by the defrosting water collecting tray 4 below the evaporator 2, the defrosting water collecting tray 4 is provided with a slope defrosting drain pipe 3 with a gradient of 0.01, and defrosting water flows into an outdoor municipal drainage pipeline through the defrosting drain pipe 3 under the action of gravity.

After the indoor air is heated by a detachable single-layer shutter 7 and a detachable primary filter screen 8 through a condenser and an electric auxiliary heating device 9, the centrifugal fan 10 pressurizes the air to send the hot air to the duckbill type air curtain air outlet 11 and blow the hot air to the inner side of the indoor door of the building in a hot air curtain mode; when the outdoor unit performs defrosting operation, the indoor unit automatically starts the electric auxiliary heating device to ensure heat supply of the indoor unit.

The indoor unit can select the indoor unit modulus length dimension according to the common outer door height 4500mm, 5000mm, 6000mm, etc., also can customize indoor unit height dimension specially according to special outer door height, when the high outer door of building needs two side to send indoor unit, can set up 1 outdoor unit and take 2 indoor units to use.

The display 12 can display the current working state of the machine and whether the detachable filter screen 8 is full of dust, for example, a worker should clean the detachable filter screen 8 in time, the operation or the closing of the outdoor unit can be controlled by the remote control device 14, and the switching between the winter hot air curtain mode or the summer common ventilation curtain mode of the hot air curtain machine can be performed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (3)

1. A low temperature air source heat pump side-feed hot air curtain machine, comprising: the outdoor unit comprises a heat exchange fan (1), an evaporator (2), a defrosting drain pipe (3), a defrosting water collecting disc (4) and a compressor (5), and the indoor unit comprises a detachable single-layer louver (7), a detachable filter screen (8), a condenser, an electric auxiliary heating device (9), a centrifugal fan (10), a duckbill air outlet (11) and a control panel (12) which are vertically arranged; the heat exchange fan (1) is positioned at the upper part of the evaporator (2), and the defrosting water collecting disc (4) is positioned at the lower part of the evaporator (2); an inlet of the defrosting drain pipe (3) is connected with the defrosting water collecting disc (4), and an outlet of the defrosting drain pipe (3) is connected with a municipal drain pipeline; the condenser and the electric auxiliary heating device (9) are connected with the compressor (5) through a refrigerant and a cable pipeline (6); the detachable single-layer louver (7) and the detachable filter screen (8) are positioned on one side of the condenser and the electric auxiliary heating device (9), the other side of the condenser and the electric auxiliary heating device (9) is provided with the centrifugal fan (10), the duckbill air outlet (11) is positioned on the outer side of the centrifugal fan (10), and a motor of the centrifugal fan (10) is electrically connected with the condenser and the electric auxiliary heating device (9); the refrigerant and cable pipeline (6) is connected with a power line (13).

2. The low-temperature air source heat pump side-feed type hot air curtain machine according to claim 1, wherein the outdoor unit is a prolate multi-fan-shaped outdoor unit, and the number of the heat exchange fans (1) is more than 3.

3. A low temperature air source heat pump side feed hot air curtain machine according to claim 1, further comprising a remote control device (14).