CN212408945U - Low-environment-temperature heat pump multi-split air conditioner - Google Patents
Low-environment-temperature heat pump multi-split air conditioner Download PDFInfo
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- CN212408945U CN212408945U CN202020576643.1U CN202020576643U CN212408945U CN 212408945 U CN212408945 U CN 212408945U CN 202020576643 U CN202020576643 U CN 202020576643U CN 212408945 U CN212408945 U CN 212408945U
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Abstract
The utility model discloses a low-environment temperature heat pump multi-split air conditioner, which comprises a protective hood, wherein a dustproof swinging blade is rotatably arranged on the protective hood; the fan comprises fan blades and a motor and is arranged inside the protective hood; the temperature sensor is arranged in the protective hood, is fixedly supported by the supporting frame, is positioned in front of the fan and is used for acquiring the ambient temperature; the heating wire is arranged inside the protective hood and is positioned behind the fan; the controller is arranged on the inner surface of the protective hood and is connected with the temperature sensor and the electric heating wire; the utility model discloses, the refrigerant in the help evaporimeter heaies up rapidly under low temperature environment to improve the effect of heating of multi-connected air conditioner under the low temperature environment, play dirt-proof effect under the condition that multi-connected air conditioner was not used, thereby reduce the frequency of later stage cleaning work, it is comparatively practical.
Description
Technical Field
The utility model belongs to the technical field of the many online, specifically a many online of low ambient temperature heat pump.
Background
The multi-split air conditioner is a type of central air conditioner for users, commonly called as 'one split multi', and refers to a primary refrigerant air conditioning system in which one outdoor unit is connected with two or more indoor units through a pipe, the outdoor side adopts an air cooling heat exchange mode, and the indoor side adopts a direct evaporation heat exchange mode. The multi-split air-conditioning system is widely applied to small and medium-sized buildings and partial public buildings at present, and compared with the traditional central air-conditioning system, the multi-split central air-conditioning system has the following characteristics: the multi-split air conditioner has the advantages of energy conservation, low operating cost, advanced control, reliable operation, good unit adaptability, wide refrigerating and heating temperature range, high design freedom degree, convenient installation and charging, less investment compared with a plurality of household air conditioners, convenience in installation and charging, convenience in appearance due to the fact that only one outdoor unit is used, and flexibility and convenience in control. It can realize centralized management of indoor units and adopts network control. One indoor machine can be independently started to operate, and a plurality of indoor machines can be simultaneously started, so that the control is more flexible and the energy is saved.
The existing multi-split air conditioner has certain disadvantages when in use, the refrigerant is close to the freezing point in the environment with very low temperature, so that the heating capacity is greatly attenuated, and the outdoor unit of the multi-split air conditioner can be in a partially exposed state for a long time under the condition of not using, so that the dust accumulation speed in the outdoor unit is increased, the later cleaning frequency is increased, and certain inconvenience is brought to users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve under the very low environment of temperature, the refrigerant is close the freezing point, causes the heating volume to attenuate greatly to, the outer machine of many online machines is under the in service behavior, also can be in partial naked state for a long time, has increased the accumulational speed of outer inside dust of machine, has increased the problem of the clear frequency in later stage, and provides a low ambient temperature heat pump many online.
The purpose of the utility model can be realized by the following technical scheme:
a low-environment-temperature heat pump multi-split air conditioner comprises a protective hood, wherein a dustproof swinging vane is rotatably arranged on the protective hood;
the fan comprises fan blades and a motor and is arranged inside the protective hood;
the temperature sensor is arranged in the protective hood, is fixedly supported by the supporting frame, is positioned in front of the fan and is used for acquiring the ambient temperature;
the heating wire is arranged inside the protective hood and is positioned behind the fan;
the controller is arranged on the inner surface of the protective hood and connected with the temperature sensor and the heating wire, the controller is used for judging whether the ambient temperature is greater than a preset temperature threshold value or not, and if the ambient temperature is greater than the preset temperature threshold value, the heating wire is started.
Further, the controller includes:
the temperature detection circuit is connected with the temperature sensor and used for judging whether the environment temperature is greater than the preset temperature threshold value or not;
and the heating wire drive board is connected with the temperature detection circuit and the heating wire and used for sending a starting instruction to start the fan if the ambient temperature is greater than a preset temperature threshold value.
Further, the fan is arranged between the electric heating wire and the temperature sensor.
Further, an evaporator is arranged in the protective hood and is located behind the electric heating wires.
Further, the evaporator is connected with a compressor and a heat exchanger through two connecting pipes respectively.
The utility model has the advantages that:
under low temperature environment, open the heating wire, the fan heats up the back at moving in-process air through the heating wire and contacts with the evaporimeter, accomplish the heat exchange effect with the evaporimeter, the refrigerant in the help evaporimeter warms up rapidly, prevent that the refrigerant temperature from crossing excessively, thereby improve the effect of heating of many online machines under the low temperature environment, and when producing wind-force, dustproof swinging vane receives the wind-force effect and expandes, make things convenient for the air replacement, when the fan stops, dustproof swinging vane receives the effect of gravity to hang down downwards and makes the protective housing be the closure state, play dirt-proof effect under the circumstances that many online machines do not use, thereby reduce the frequency of later stage cleaning work.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial enlarged view of the present invention.
In the figure: 1. dust-proof swing blades; 2. a protective hood; 3. a controller; 4. a fan; 5. an electric heating wire; 6. an evaporator; 7. a compressor; 8. a temperature sensor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the low-ambient-temperature heat pump multi-split air conditioner comprises a protective hood 2, wherein a dustproof swing blade 1 is rotatably mounted on the protective hood 2;
the fan 4 comprises fan blades and a motor and is arranged inside the protective hood 2;
the temperature sensor 8 is arranged in the protective hood 2, fixedly supported by a support frame, positioned in front of the fan 4 and used for acquiring the ambient temperature;
the heating wire 5 is arranged inside the protective hood 2, and the heating wire 5 is positioned behind the fan 4;
the controller 3 is arranged on the inner surface of the protective hood 2 and connected with the temperature sensor 8 and the heating wire 5, the controller 3 is used for judging whether the ambient temperature is greater than a preset temperature threshold value or not, and if the ambient temperature is greater than the preset temperature threshold value, the heating wire is started, wherein the preset temperature threshold value is set to be 1 ℃;
the controller 3 includes:
the temperature detection circuit is connected with the temperature sensor 8 and used for judging whether the ambient temperature is greater than a preset temperature threshold value or not;
the heating wire driving board is connected with the temperature detection circuit and the heating wire 5 and used for sending a starting instruction to start the fan 4 if the ambient temperature is greater than a preset temperature threshold value;
the fan 4 is arranged between the heating wire 5 and the temperature sensor 8:
an evaporator 6 is arranged in the protective hood 2, and the evaporator 6 is positioned behind the electric heating wire 5;
the evaporator 6 is connected with a compressor 7 and a heat exchanger through two connecting pipes respectively.
A low environmental temperature heat pump multi-split air conditioner starts a temperature detection function through a temperature sensor 8 after being started when the multi-split air conditioner is used, a controller 3 compares the environmental temperature with a threshold value, when the environmental temperature is higher than the threshold value, an electric heating wire 5 is not started, when the environmental temperature is lower than or equal to the threshold value, the electric heating wire 5 is started, air is heated by the electric heating wire 5 in the running process of a fan 4 and then contacts with an evaporator 6 to complete a heat exchange effect with the evaporator 6, the refrigerant in the evaporator 6 is helped to be heated rapidly, the temperature of the refrigerant is prevented from being too low, the heating effect of the multi-split air conditioner under the low temperature environment is improved, when wind power is generated, a dustproof swinging blade 1 is unfolded under the action of wind power to facilitate air replacement, when the fan 4 is stopped, the dustproof swinging blade 1 is downwards dropped under the action of gravity to enable a protective hood 2 to be in a closed state, thereby reduce the frequency of later stage cleaning work, the refrigerant after accomplishing preliminary heat transfer gets into compressor 7, converts the refrigerant into high pressure high temperature medium by compressor 7 and transmits the medium to the heat exchanger of interior machine again, and is more convenient.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. A low ambient temperature heat pump multi-split air conditioner comprising:
the protective hood (2), the protective hood (2) is rotatably provided with a dustproof swinging blade (1);
the fan (4) comprises fan blades and a motor and is arranged inside the protective hood (2);
the temperature sensor (8) is arranged in the protective hood (2), is fixedly supported by a support frame, is positioned in front of the fan (4), and is used for acquiring the ambient temperature;
the electric heating wire (5) is arranged inside the protective hood (2), and the electric heating wire (5) is positioned behind the fan (4);
controller (3), set up in the internal surface of protective housing (2), with temperature sensor (8), heating wire (5) are connected, controller (3) are used for judging whether ambient temperature is greater than predetermineeing the temperature threshold value, if ambient temperature is greater than predetermineeing the temperature threshold value, open the heating wire.
2. A low ambient temperature heat pump multi-split air conditioner according to claim 1, wherein the controller (3) comprises:
the temperature detection circuit is connected with the temperature sensor (8) and used for judging whether the environment temperature is greater than the preset temperature threshold value or not;
and the heating wire drive board is connected with the temperature detection circuit and the heating wire (5) and used for sending a starting instruction to start the fan (4) if the ambient temperature is greater than a preset temperature threshold value.
3. The low-ambient-temperature heat pump multi-split air conditioner according to claim 1, wherein the fan (4) is disposed between the heating wire (5) and the temperature sensor (8).
4. The low ambient temperature heat pump multi-split air conditioner according to claim 1, wherein an evaporator (6) is arranged in the protective hood (2), and the evaporator (6) is located behind the heating wires (5).
5. The low-ambient-temperature heat pump multi-split air conditioner according to claim 4, wherein the evaporator (6) is connected with a compressor (7) and a heat exchanger through two connecting pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020576643.1U CN212408945U (en) | 2020-04-17 | 2020-04-17 | Low-environment-temperature heat pump multi-split air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020576643.1U CN212408945U (en) | 2020-04-17 | 2020-04-17 | Low-environment-temperature heat pump multi-split air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212408945U true CN212408945U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020576643.1U Active CN212408945U (en) | 2020-04-17 | 2020-04-17 | Low-environment-temperature heat pump multi-split air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212408945U (en) |
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2020
- 2020-04-17 CN CN202020576643.1U patent/CN212408945U/en active Active
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