Outdoor unit and air conditioner

By setting air inlets and an openable cover on the side wall of the outdoor unit casing, airflow is used for heat dissipation, which solves the problem of poor heat dissipation of the electrical control box and improves the reliability of electrical control components and the overall reliability of the machine.

CN224479752UActive Publication Date: 2026-07-10GUANGDONG TCL INTELLIGENT HEATING & VENTILATING EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG TCL INTELLIGENT HEATING & VENTILATING EQUIP CO LTD
Filing Date
2025-07-10
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

The existing outdoor unit's electrical control box has poor heat dissipation, resulting in excessive heat generation in the electrical control components, which affects the reliability of the unit and the overall reliability of the machine.

Method used

An air inlet is set on the side wall of the outdoor unit casing. An airflow is generated by a fan and the airflow enters the electrical control box through an openable cover for heat dissipation. The opening and closing of the cover is controlled by the drive components and sensors to improve heat dissipation efficiency.

Benefits of technology

By using airflow-assisted heat dissipation, the heat dissipation effect of the electrical control box is significantly improved, thereby enhancing the reliability of the electrical control components and the overall reliability of the machine.

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Abstract

The utility model discloses an outdoor unit and air conditioner, this outdoor unit includes outdoor unit casing, fan, electric control box and drive assembly, sets up the air inlet at the outdoor unit casing side plate, under the effect of fan, airflow can enter from the air inlet, flow from the air outlet, and set up the electric control box of box cover openable in the outdoor unit, make airflow can pass through the electric control box of box cover opening, and then utilize the heat dissipation of airflow and electric control box inside contact, improve the heat dissipation effect of electric control box.
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Description

Technical Field

[0001] This utility model relates to the field of air conditioning equipment technology, and in particular to an outdoor unit and an air conditioner. Background Technology

[0002] The electrical control box in the outdoor unit is generally used to control the compressor, fan and other devices. When the machine is running under high load, different loads, voltages and currents cause different degrees of heat generation in the electrical control components. Currently, the electrical control box of the top-outlet multi-split outdoor unit mainly includes the main control board, compressor drive board, fan drive board, reactor, filter board and so on. The structure is complex and the heat dissipation effect is poor, which leads to excessive heat generation of the circuit board, affects the reliability of the electrical control components, and even causes the board to burn out, which further affects the reliability of the whole machine. Utility Model Content

[0003] The main objective of this utility model embodiment is to provide an outdoor unit and air conditioner, which aims to improve the technical problem of poor heat dissipation effect of the outdoor unit electrical control box in the prior art.

[0004] An embodiment of this utility model provides an outdoor unit, comprising:

[0005] The outdoor unit housing has an air inlet on its side wall and an air outlet on its top.

[0006] A fan is installed at the air outlet;

[0007] An electrical control box is disposed between the air inlet and the air outlet. The electrical control box includes a box body and a box cover. The box body has a receiving cavity. The box cover is closed on the box body and is movably connected to the box body so that the box cover can open and close the receiving cavity.

[0008] A drive assembly, connected to the lid, is used to drive the lid to move between a first position and a second position. When the lid is in the first position, the lid completely covers the box body to close the receiving cavity. When the lid is in the second position, the lid is at least partially separated from the box body to expose at least a portion of the receiving cavity.

[0009] In some embodiments of this utility model, the driving component includes a driving member and a connecting member. The connecting member is connected to the lid, and one end of the connecting member is connected to the driving member. The driving member is used to drive the connecting member to move, so that the connecting member drives the lid to move between the first position and the second position.

[0010] In some embodiments of this utility model, the lid is slidably connected to the box body, the lid is configured to slide between a first position and a second position, and the driving member is used to drive the connecting member to reciprocate along a straight line between a third position and a fourth position, so as to drive the lid to reciprocate between the first position and the second position. When the connecting member is in the third position, the lid is in the first position, and when the connecting member is in the fourth position, the lid is in the second position.

[0011] In some embodiments of this utility model, the driving component includes a piston cylinder, an elastic component, and a liquid supply device, and the connecting component is a piston rod, which includes a piston portion and a rod portion connected to one side of the piston portion;

[0012] The piston portion is disposed in the piston cylinder, and the other end of the rod portion extends out of the piston cylinder and is connected to the box cover;

[0013] The piston cylinder is provided with an inlet and an outlet at the end away from the rod. The outlet pipe of the liquid supply device is connected to the inlet, and the inlet pipe of the liquid supply device is connected to the outlet.

[0014] The elastic element is sleeved on the rod, with one end abutting against the piston part and the other end abutting against the end of the piston cylinder;

[0015] The liquid supply device is used to supply liquid to the piston cylinder to push the piston rod from the third position to the fourth position, and the elastic element is used to drive the piston rod from the fourth position to the third position when the liquid supply device stops supplying liquid.

[0016] In some embodiments of this utility model, the liquid supply device is a compressor and a gas-liquid separator. The exhaust port of the compressor is connected to the liquid inlet through the liquid outlet pipe. The gas outlet of the gas-liquid separator is connected to the gas return port of the compressor. The liquid inlet of the gas-liquid separator is connected to the liquid outlet through the liquid inlet pipe.

[0017] In some embodiments of this utility model, the cover is configured to slide between the first position and the second position along the width direction of the outdoor unit housing.

[0018] In some embodiments of this utility model, one side of the lid is rotatably connected to the box body, the lid is configured to rotate between the first position and the second position, and the driving member is used to drive the connecting member to rotate around its central axis, so that the connecting member drives the lid to rotate between the first position and the second position.

[0019] In some embodiments of this utility model, the outdoor unit further includes a temperature sensor and a controller. The temperature sensor and the controller are disposed in the electrical control box. The temperature sensor is electrically connected to the controller, and the drive assembly is electrically connected to the controller. The controller is used to control the drive assembly according to the feedback information of the temperature sensor.

[0020] In some embodiments of this utility model, the outdoor unit further includes a humidity sensor, which is disposed inside the outdoor unit and electrically connected to the controller. The controller is used to control the drive component based on the feedback information from the humidity sensor.

[0021] In some embodiments of this utility model, an air conditioner is also provided, which includes the outdoor unit described above.

[0022] An embodiment of this utility model provides an outdoor unit and an air conditioner. The outdoor unit has an air inlet on the side panel of the outdoor unit casing. Under the action of a fan, airflow can enter from the air inlet and flow out from the air outlet. An openable electrical control box is provided in the outdoor unit so that airflow can pass through the open electrical control box and then use the airflow to contact the inside of the electrical control box for heat dissipation, thereby improving the heat dissipation effect of the electrical control box. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the external structure of the outdoor unit according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the driving principle of the box lid according to one embodiment of the present utility model;

[0026] Figure 3 This is a schematic diagram illustrating the principle of piston drive in one embodiment of the present invention.

[0027] Reference numerals: 100, outdoor unit housing; 110, air inlet; 120, air outlet; 200, fan; 300, drive assembly; 310, drive component; 311, elastic component; 312, piston cylinder; 3121, liquid inlet; 3122, liquid outlet; 320, connector; 321, piston part; 322, rod part; 410, cover. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0032] like Figures 1-3As shown, this utility model provides an outdoor unit, including an outdoor unit housing 100, a fan 200, an electrical control box, and a drive assembly 300. The outdoor unit housing 100 has an air inlet 110 on its side wall and an air outlet 120 on its top. The fan 200 is disposed at the air outlet 120. The electrical control box is disposed between the air inlet 110 and the air outlet 120. The electrical control box includes a box body (not shown) and a cover 410. The box body has a receiving cavity. The cover 410 covers the box body and is movably connected to the box body, allowing the cover 410 to open and close the receiving cavity. The drive assembly 300 is connected to the cover 410 and drives the cover 410 to move between a first position and a second position. When the cover 410 is in the first position, it completely covers the box body to close the receiving cavity. When the cover 410 is in the second position, it is at least partially separated from the box body to expose at least part of the receiving cavity.

[0033] The outdoor unit housing 100 has an air inlet 110 on its side wall, which allows the installation space formed by the outdoor unit housing 100 to communicate with the airflow of the external environment. The fan 200 is set at the air outlet 120. When the fan 200 is working, it will discharge the airflow inside the outdoor unit housing 100 from the top, so that the airflow continuously enters the outdoor unit housing 100 from the air inlet 110, thereby forming a continuous airflow that flows into the outdoor unit housing 100 from the air inlet 110 and flows out of the outdoor unit from the air outlet 120.

[0034] The cover 410 is movably connected to the box body, either by rotation or by sliding, so that the cover 410 can open the accommodating cavity. When the temperature of the control box is too high, the cover 410 can be opened to expose the electronic components. The airflow flowing in from the air inlet 110 and flowing out from the air outlet 120 can assist in heat dissipation, thereby improving the heat dissipation efficiency of the control box.

[0035] When the lid 410 is in the second position, it can be completely slid (or rotated) to the other side of the box to fully open the receiving cavity, or it can be slid only partially to the other side of the box or rotated only away from the box to partially open the receiving cavity and expose part of the receiving cavity.

[0036] It is understandable that the outdoor unit has an air inlet 110 set on the side panel of the outdoor unit housing 100. Under the action of the fan 200, the airflow can enter from the air inlet 110 and flow out from the air outlet 120. An openable electrical control box is set in the outdoor unit, so that the airflow can pass through the open electrical control box, and then use the airflow to contact the inside of the electrical control box for heat dissipation, thereby improving the heat dissipation effect of the electrical control box.

[0037] In some embodiments, the drive assembly 300 includes a drive member 310 and a connector 320. The connector 320 is connected to the cover 410. One end of the connector 320 is connected to the drive member 310. The drive member 310 is used to drive the connector 320 to move, so that the connector 320 drives the cover 410 to move between a first position and a second position.

[0038] It is understandable that the lid 410 can move relative to the box body through the cooperation of the drive component 310 and the connector 320, thereby opening and closing the receiving cavity.

[0039] In some embodiments, the lid 410 is slidably connected to the box body. The lid 410 is configured to slide between a first position and a second position. The drive member 310 is used to drive the connector 320 to reciprocate along a straight line between a third position and a fourth position, so as to drive the lid 410 to slide back and forth between the first position and the second position. When the connector 320 is in the third position, the lid 410 is in the first position. When the connector 320 is in the fourth position, the lid 410 is in the second position.

[0040] The box body can be provided with sliding grooves on both sides, and the box cover 410 can be inserted into the sliding grooves on both sides to slide and connect with them, so that the box cover 410 can slide and connect with the box body.

[0041] The driving component 310 generally drives the connecting component 320 to reciprocate along a straight line, so as to enable the connecting component 320 to move between the third position and the fourth position, thereby enabling the lid 410 to move between the first position and the second position.

[0042] When the lid 410 is in the first position, the lid 410 completely covers the box body and closes the receiving cavity; when the lid 410 slides to the second position, the lid 410 partially slides to one side of the box body to expose part of the receiving cavity, or the lid 410 completely slides to the other side of the box body to expose the entire receiving cavity.

[0043] In some embodiments, the driving member 310 includes a piston cylinder 312, an elastic member 311, and a liquid supply device. The connecting member 320 is a piston rod, which includes a piston portion 321 and a rod portion 322 connected to one side of the piston portion 321. The piston portion 321 is disposed in the piston cylinder 312, and the other end of the rod portion 322 extends out of the piston cylinder 312 and is connected to the cover 410. The piston cylinder 312 is provided with an inlet 3121 and an outlet 3122 at the end away from the rod portion 322. The outlet pipe of the liquid supply device is connected to the inlet 3121, and the inlet pipe of the liquid supply device is connected to the outlet 3122. The elastic member 311 is sleeved on the rod portion 322, with one end abutting against the piston portion 321 and the other end abutting against the end of the piston cylinder 312. The liquid supply device is used to supply liquid to the piston cylinder 312 to push the piston rod from the third position to the fourth position. The elastic member 311 is used to drive the piston rod from the fourth position to the third position when the liquid supply device stops supplying liquid.

[0044] The continuous supply of liquid to the piston cylinder 312 via the liquid supply device pushes the piston part 321 toward the end away from the liquid inlet 3121, thereby causing the piston rod to slide the cover 410.

[0045] Generally, when the liquid supply device does not supply liquid to the piston cylinder 312, the piston part 321 abuts against the liquid inlet 3121 of the piston cylinder 312 under the drive of the elastic member 311. At this time, the piston rod is in the third position and the cover 410 is in the first position. When the liquid supply device supplies liquid to the piston cylinder 312, the piston part 321 can move towards the other end of the piston cylinder 312 under the drive of the liquid medium until it reaches the other end of the piston cylinder 312. When the piston part 321 moves to the other end of the piston cylinder 312, the piston rod is in the fourth position and the cover 410 is in the second position.

[0046] Generally, solenoid valves are provided at the inlet 3121 and the outlet 3122 respectively, and the solenoid valves control the discharge and inlet of the piston cylinder 312. When the liquid supply device supplies liquid to the piston, the solenoid valve at the inlet 3121 is open and the solenoid valve at the outlet 3122 is closed; when the piston cylinder 312 discharges liquid to the liquid supply device, the solenoid valve at the inlet 3121 is closed and the solenoid valve at the outlet 3122 is open.

[0047] In some embodiments, the liquid supply device is a compressor and a gas-liquid separator. The compressor's exhaust port and liquid inlet 3121 are connected through the liquid outlet pipe, the gas outlet of the gas-liquid separator is connected to the compressor's return gas port, and the gas inlet 3121 and liquid outlet 3122 of the gas-liquid separator are connected through the liquid inlet pipe.

[0048] The compressor supplies liquid medium to piston cylinder 312 through liquid outlet pipe, piston cylinder 312 discharges liquid medium to gas-liquid separator through liquid inlet pipe, and gas-liquid separator sends gas medium back to compressor.

[0049] Understandably, by setting the compressor and gas-liquid separator as liquid supply devices, the opening and closing of the control box cover 410 can be driven by the outdoor unit's own devices.

[0050] In some embodiments, the liquid supply device includes a water collection tray and a liquid pump. The water collection tray is located at the bottom of the outdoor unit housing 100, and the liquid outlet pipe is equipped with a liquid pump to pump the liquid in the water collection tray to the piston cylinder 312. An inlet pipe is connected between the water collection tray and the liquid outlet 3122.

[0051] That is, the condensate water of the outdoor unit is collected by the water collection pan, and the condensate water is pumped into the piston cylinder 312, thereby driving the piston part 321 to move.

[0052] In some embodiments, the cover 410 is configured to slide between a first position and a second position along the width direction of the outdoor unit housing 100.

[0053] The outdoor unit's air outlet direction is from bottom to top, that is, along the height direction of the outdoor unit casing 100. When the cover 410 slides between the first position and the second position along the width direction of the outdoor unit casing 100, when the cover 410 slides to the second position or away from the first position, it exposes the receiving cavity along the height direction of the outdoor unit, so that some of the airflow entering the electrical control box can also flow out smoothly from the electrical control box, thereby ensuring that the airflow flows smoothly through the electrical control box and ensuring the heat dissipation effect of the electrical control box.

[0054] In some embodiments, one side of the lid 410 is rotatably connected to the box body, and the lid 410 is configured to rotate between a first position and a second position. The drive member 310 is used to drive the connector 320 to rotate about its central axis, so that the connector 320 drives the lid 410 to rotate between the first position and the second position.

[0055] For example, the driving component 310 is a motor, the connecting component 320 is a rotating shaft, one side of the cover 410 is rotatably connected to the box body through the rotating shaft, the rotating shaft is rotatably connected to the box body, and the cover 410 is fixedly connected to the rotating shaft. The motor drives the rotating shaft to rotate, thereby causing the cover 410 to rotate between a first position and a second position to open and close the receiving cavity. When the cover 410 is in the first position, the side of the cover 410 away from the rotating shaft (the movable side) is connected to the box body, and the cover 410 completely closes the receiving cavity. When the cover 410 is away from the first position, the movable side of the cover 410 separates from the box body, so that the receiving cavity is opened. Generally, when the cover 410 moves to the second position, the cover 410 rotates completely to the other side of the box body, so that the receiving cavity is fully opened and exposed to the outdoor unit housing 100.

[0056] In some embodiments, when the cover 410 moves to the second position, the angle of rotation of the cover 410 is still less than 0°, and it only forms a certain angle with the box body, so that the receiving cavity is partially opened and exposed to the outdoor unit housing 100.

[0057] In some embodiments, the outdoor unit further includes a temperature sensor and a controller, which are disposed in the electrical control box. The temperature sensor is electrically connected to the controller, and the drive assembly 300 is electrically connected to the controller. The controller is used to control the drive assembly 300 based on the feedback information from the temperature sensor.

[0058] The temperature sensor monitors the temperature inside the control box, and the controller controls the degree to which the lid 410 is opened based on the temperature inside the control box. That is, the controller drives the lid 410 to move to a certain position by controlling the drive assembly 300.

[0059] In some embodiments, the outdoor unit further includes a humidity sensor disposed inside the outdoor unit and electrically connected to the controller, which controls the drive assembly 300 based on feedback information from the humidity sensor.

[0060] When the humidity sensor detects high humidity in the indoor unit, the control drive component 300 switches the control box cover 410 from the open state to the closed state to prevent short circuits in electronic components caused by high humidity.

[0061] In some embodiments, the present invention also provides an air conditioner that includes the outdoor unit described above. Since the air conditioner includes the outdoor unit described above, that is, includes some or all of the embodiments of the outdoor unit described above, the air conditioner has the beneficial effects of some or all of the embodiments of the outdoor unit described above, which will not be described in detail here.

[0062] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made based on the contents of the present utility model specification and drawings under the application concept of the present utility model, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. An outdoor unit, characterized in that, include: The outdoor unit housing has an air inlet on its side wall and an air outlet on its top. A fan is installed at the air outlet; An electrical control box is disposed between the air inlet and the air outlet. The electrical control box includes a box body and a box cover. The box body has a receiving cavity. The box cover is closed on the box body and is movably connected to the box body so that the box cover can open and close the receiving cavity. A drive assembly, connected to the lid, is used to drive the lid to move between a first position and a second position. When the lid is in the first position, the lid completely covers the box body to close the receiving cavity. When the lid is in the second position, the lid is at least partially separated from the box body to expose at least a portion of the receiving cavity.

2. The outdoor unit according to claim 1, characterized in that, The driving component includes a driving member and a connecting member. The connecting member is connected to the lid, and one end of the connecting member is connected to the driving member. The driving member is used to drive the connecting member to move, so that the connecting member drives the lid to move between the first position and the second position.

3. The outdoor unit according to claim 2, characterized in that, The lid is slidably connected to the box body. The lid is configured to slide between a first position and a second position. The driving member is used to drive the connecting member to reciprocate along a straight line between a third position and a fourth position, so as to drive the lid to slide back and forth between the first position and the second position. When the connecting member is in the third position, the lid is in the first position. When the connecting member is in the fourth position, the lid is in the second position.

4. The outdoor unit according to claim 3, characterized in that, The driving component includes a piston cylinder, an elastic element, and a liquid supply device. The connecting component is a piston rod, which includes a piston portion and a rod portion connected to one side of the piston portion. The piston portion is disposed in the piston cylinder, and the other end of the rod portion extends out of the piston cylinder and is connected to the box cover; The piston cylinder is provided with an inlet and an outlet at the end away from the rod. The outlet pipe of the liquid supply device is connected to the inlet, and the inlet pipe of the liquid supply device is connected to the outlet. The elastic element is sleeved on the rod, with one end abutting against the piston part and the other end abutting against the end of the piston cylinder; The liquid supply device is used to supply liquid to the piston cylinder to push the piston rod from the third position to the fourth position, and the elastic element is used to drive the piston rod from the fourth position to the third position when the liquid supply device stops supplying liquid.

5. The outdoor unit according to claim 4, characterized in that, The liquid supply device consists of a compressor and a gas-liquid separator. The exhaust port of the compressor is connected to the liquid inlet through the liquid outlet pipe. The gas outlet of the gas-liquid separator is connected to the gas return port of the compressor. The liquid inlet of the gas-liquid separator is connected to the liquid outlet through the liquid inlet pipe.

6. The outdoor unit according to claim 3, characterized in that, The cover is configured to slide between the first position and the second position along the width direction of the outdoor unit housing.

7. The outdoor unit according to claim 2, characterized in that, One side of the lid is rotatably connected to the box body. The lid is configured to rotate between a first position and a second position. The driving member is used to drive the connecting member to rotate around its central axis, so that the connecting member drives the lid to rotate between the first position and the second position.

8. The outdoor unit according to claim 1, characterized in that, The outdoor unit also includes a temperature sensor and a controller, which are located inside the electrical control box. The temperature sensor is electrically connected to the controller, and the drive assembly is electrically connected to the controller. The controller is used to control the drive assembly based on the feedback information from the temperature sensor.

9. The outdoor unit according to claim 8, characterized in that, The outdoor unit also includes a humidity sensor, which is installed inside the outdoor unit and electrically connected to the controller. The controller is used to control the drive assembly based on the feedback information from the humidity sensor.

10. An air conditioner, characterized in that, Includes the outdoor unit as described in any one of claims 1-9.