15results about How to "Improve cooling and heating effect" patented technology

The invention relates to a heat pump system and a control method thereof, the heat pump system is provided with a liquid spraying enthalpy increasing branch, a refrigerant in a refrigerant circulation loop can be shunted between a first throttling element and a main path of an economizer, and the refrigerant flows into an air supplementing opening of a compressor through an auxiliary path of the economizer for air supplementing and enthalpy increasing. An air supply throttling element is arranged on the liquid spraying enthalpy increasing branch, and the controller obtains the exhaust superheat degree according to the exhaust temperature and the exhaust pressure, determines the optional adjusting mode of the opening degree of the air supply throttling element according to the exhaust superheat degree and obtains the superheat degree of the economizer according to the side road inlet temperature and the side road outlet temperature. According to the method, the target adjusting mode is determined from the selectable adjusting modes based on the superheat degree of the economizer, the opening degree of the air supply throttling element is controlled through the target adjusting mode, and the reliability of the compressor can be guaranteed while the exhaust temperature is reduced and the refrigerating and heating capacity is improved. And the heat exchange capacity of the economizer can be fully utilized, the refrigerant can be ensured to obtain sufficient supercooling degree, and the heat absorption capacity of the evaporator is improved.

The invention relates to an air conditioner linkage air cooling heat dissipation device and a vehicle-mounted semiconductor cooling and heating box. The technical problem that an existing thermoelectric semiconductor is prone to being affected by the environment temperature is solved. Comprising a fan wind scooper, a heat dissipation wind guide cavity is formed in the fan wind scooper, a hot end heat dissipation structure is arranged in the heat dissipation wind guide cavity, a semiconductor assembly is arranged on one side of the hot end heat dissipation structure, a cold end heat dissipation structure is arranged on the other side of the semiconductor assembly, and a wind guide assembly corresponding to the hot end heat dissipation structure is arranged in the fan wind scooper. An air conditioner air pipe communicated with the heat dissipation air guide cavity is arranged on the outer side of the fan air guide cover, and a pipeline valve body assembly is arranged between the air conditioner air pipe and the heat dissipation air guide cavity. The semiconductor assembly has the advantages that the air-conditioning air pipe can enable air-conditioning air to be communicated with the heat dissipation air guide cavity, and the refrigerating and heating effects of the semiconductor assembly are improved. The pipeline valve body assembly can control the connection relation between the air conditioner air pipe and the heat dissipation air guide cavity, a user can conveniently control the pipeline valve body assembly according to the use condition, and the heat exchange efficiency is improved.

The present disclosure relates to a compressor and a variable capacity mechanism fault detection method, device and system thereof, and a medium. The compressor variable capacity mechanism fault detection method comprises: controlling the compressor to start and frequency up to a test frequency according to a first mode, obtaining a reference current after the compressor is stably running, the first mode being a double-cylinder mode or a single-cylinder mode; sending a first switching instruction to the compressor, and controlling the compressor to switch from the first mode to a second mode, wherein the second mode is a reverse mode of the first mode; obtaining a first current change value within a predetermined time period after the first switching instruction is sent; and determining whether the variable capacity mechanism is faulty according to whether the first current change value is greater than a predetermined threshold. The present disclosure can quickly and accurately determine whether the variable capacity electromagnetic valve and the sliding vane mechanism are normally actuated during the starting stage of the compressor, thereby improving the refrigeration / heating effect and improving the system energy efficiency.

This invention discloses an air conditioner-water heater main unit fusion body with a compressor arranged in a tiered manner in the negative pressure chamber ventilation blind zone. A heat exchanger is set inside the fusion body shell to form a negative pressure chamber, and the area of ​​the negative pressure chamber near the back plate is a ventilation blind zone. The high-power, heavy, and noisy air conditioner compressor and air source water heater compressor are arranged in a tiered manner on the base plate corresponding to the ventilation blind zone, sharing the negative pressure chamber space resources on the base plate. This significantly lowers the structural center of gravity of the air conditioner-water heater main unit fusion body, suppresses the structural resonance of the main unit caused by the compressor operation, and creates the conditions and advantages for the fusion of the air source water heater main unit and the air conditioner main unit.

The utility model relates to an air conditioner indoor unit and an air conditioning unit, the air conditioner indoor unit comprises a shell (1), the shell (1) comprises a top plate (11) and a bottom plate (12), the top plate (11) is provided with a first air outlet (10) and is used for air outlet in a refrigeration mode, and the bottom plate (12) is provided with a second air outlet (20) and is used for air outlet in a heating mode; the cross-flow fan (2) is arranged in the shell (1) and comprises an air duct assembly (21) and cross-flow fan blades (22) arranged in the air duct assembly (21), an air duct inlet (213) and an air duct outlet (214) are formed in the circumferential side wall of the air duct assembly (21), and the air duct assembly (21) can rotate around a first central axis (O1) of the air duct assembly (21) so that the air conditioner indoor unit can be switched between an upper air outlet state of a refrigeration mode and a lower air outlet state of a heating mode; and the heat exchanger (3) is in a straight plate shape and is positioned between the cross-flow fan (2) and the first air outlet (10) or the second air outlet (20).

The invention provides a five-constant radiant tube mounting bracket for an air-conditioning system and a production method thereof, relates to the technical field of radiant tube brackets, and solves the problems that the existing air-conditioning radiant tube is relatively complicated in initial mounting and construction, heat or cold air released by the radiant tube radiates towards a roof, and the construction efficiency is low. And heat loss is caused. The radiant tube mounting bracket for the five-constant air conditioning system comprises a keel, a connecting screw rod is mounted on the upper end face of the keel, and the top end of the connecting screw rod is fixedly connected with a roof; and the fixing base plate is located at the position below the keel, and the fixing base plate is fixedly connected with the keel. According to the invention, the gap exists between the fixed support and the fixed substrate, a gas heat insulation layer is formed, heat can be prevented from being transferred upwards, and the insertion column at the upper end of one extension rod is clamped in the second clamping groove at the lower end of the other extension rod, so that the two extension rods can be butted together, and the distance between the fixed substrate and the fixed support is enlarged.

The present invention provides an air conditioner and an air conditioning system with reduced refrigerant. The air conditioner is added with a boosting device, and a bypass pipe is added on the basis of the first pipe and the second pipe. The internal expansion valve and the relay expansion valve can be controlled to increase the supercooling degree, thereby maximizing the supercooling degree of the refrigerant to enhance the heating and cooling capacity of the air conditioner. On this basis, the pipe diameter can be reduced, the amount of refrigerant accumulated in the liquid pipe can be reduced, and the heat transfer equivalent to the existing one can be achieved with a smaller refrigerant circulation volume, effectively reducing the impact of the greenhouse effect.

The invention belongs to the technical field of energy conservation and environmental protection of photovoltaic buildings, and particularly relates to a novel phase-change refrigeration glass enclosure structure capable of providing cold and heat, which comprises a photovoltaic phase-change glass window, a thermoelectric air conditioning system and a control system, the photovoltaic phase-change glass window is mounted on a wall of a building house, and the thermoelectric air conditioning system is arranged above the glass window. The photovoltaic phase-change glass window is composed of a window framework and a rotatable photovoltaic phase-change shutter mechanism. The window framework is composed of a window frame, first glass and second glass. The rotatable photovoltaic phase change shutter mechanism comprises a first driver, a second driver, a first swing arm, a second swing arm, a third swing arm and a motor, and the foldable shutter thermoelectric air conditioning system comprises a first fan, a second fan, a battery, an electric heating device and a switch. The control system comprises a controller, an outdoor temperature sensor, an indoor temperature sensor and a magneto-optical effect sensor. Solar photo-thermal cooperative utilization is achieved, building energy consumption can be effectively reduced, and the solar energy utilization rate is increased.

This utility model discloses an air conditioner, including a casing assembly, an air guide assembly, and a heat exchange and air supply assembly. The casing assembly includes a main casing assembly and a front panel assembly, which is connected to the front end of the main casing assembly. The casing assembly has an air inlet, a main air duct, and two main air outlets. The two main air outlets are located at the front end of the casing assembly and are respectively located on the left and right sides of the front panel assembly. The main air duct connects the air inlet and the main air outlets. The front panel assembly has a secondary air outlet and a secondary air duct, which connects the main air duct and the secondary air outlet. The secondary air outlet is located on the front side of the front panel assembly. The air guide assembly is located at the main air outlet, and the heat exchange and air supply assembly is located inside the main casing assembly. According to this utility model, the air conditioner can enhance the air supply effect to the left and right sides. Simultaneously, the secondary air outlet on the front side of the front panel assembly allows the air blown from the secondary air outlet to be closer to the front center of the air conditioner, effectively regulating the temperature directly in front of the air conditioner.

The utility model provides a separation type absorption heat pump, which comprises an evaporation part and an absorption part which are arranged in a closed container and are separated by a separation plate to be distributed left and right, and further comprises an external refrigerant storage tank, an external absorbent concentrated solution storage tank and an external absorbent dilute solution storage tank, semiconductor chilling plates extending into the left side and the right side are embedded in the isolation plate, a steam channel communicating the left side and the right side is formed in the upper portion of the isolation plate, the evaporation part and the absorption part are in a high-vacuum state, the evaporation part is externally connected with a low-temperature heat source, the absorption part is externally connected with a high-temperature heat source, and a proper amount of refrigerant liquid and absorbent which circularly flow are stored in the evaporation part and the absorption part respectively. The evaporation part absorbs heat from a low-temperature heat source through refrigerant liquid evaporation, an absorbent in the absorption part absorbs steam to trigger continuous evaporation of the refrigerant liquid, and absorption heat generated by the absorption part is conveyed to a high-temperature heat source. The separation type absorption heat pump is simple in structure and low in driving energy consumption, and has efficient refrigerating and heating performance. The device is simple in structure and low in driving energy consumption, has efficient refrigerating and heating performance, and is an effective device for recycling low-temperature-level heat energy.

This application provides an air conditioner, comprising a first heat exchanger, a compressor, a second heat exchanger, a second pipeline, an electronic expansion valve, and the first pipeline connected in sequence. The first pipeline connects the electronic expansion valve and the first heat exchanger. The air conditioner also includes a liquid receiver, a first solenoid valve, and a pressure pump. The first solenoid valve controls the flow of refrigerant from the liquid receiver to the first pipeline, and the pressure pump pressurizes the liquid receiver. In both heating and cooling modes, opening the first solenoid valve and using the pressure pump to pump refrigerant into the first pipeline enables the air conditioner to achieve better heating and cooling performance, improves its energy efficiency ratio, and achieves better operating conditions.

The utility model relates to an air conditioner indoor unit and an air conditioning unit, the air conditioner indoor unit comprises a shell (1), the shell (1) is provided with a first air outlet (10) and a second air outlet (20), the shell (1) comprises a top plate (11) and a bottom plate (12), the first air outlet (10) is formed in the top plate (11) and used for air outlet in a refrigeration mode, and the second air outlet (20) is formed in the bottom plate (12) and used for air outlet in a heating mode; the fan (2 ') comprises a volute assembly (2), the volute assembly (2) comprises a fixed volute (21) and a movable volute (22), the movable volute (22) is rotatably arranged in the fixed volute (21) around the central axis of the fan (2'), so that the air conditioner indoor unit is switched between an upper air outlet state of a refrigeration mode and a lower air outlet state of a heating mode, and the central axis extends in the first direction (x).

The application discloses a connecting structure of an automobile air conditioner pipe, which comprises a connecting seat and a pipe body sleeved with the connecting seat, wherein the pipe body comprises a hard pipe, an air inlet thin pipe and an air outlet thin pipe; the air inlet thin pipe is communicated with the hard pipe; the air outlet thin pipe extends to outside of the connecting seat; one end of the hard pipe arranged in the connecting seat is provided with an adapter; the adapter is provided with a hollow pipe wall and a plurality of ring grooves; a sealing ring is arranged in each ring groove; the connecting positions of the air inlet thin pipe and the air outlet thin pipe with the adapter are arranged between adjacent sealing rings; and the air inlet thin pipe and the air outlet thin pipe are communicated with the hollow pipe wall. The connecting structure is provided with a plurality of sealing rings, has high sealing performance, can prevent water vapor from leaking, and thus improves the refrigeration and heating capacity of the air conditioner.

The utility model relates to an air conditioner indoor unit and an air conditioner unit. The cross-flow fan is arranged in the shell, the cross-flow fan comprises a volute assembly, the volute assembly is provided with an air outlet, and the volute assembly is rotatably switched between a first position and a second position around the central axis of the volute assembly, so that the air conditioner indoor unit is switched between an upper air outlet state of a refrigeration mode and a lower air outlet state of a heating mode; the first limiting air guiding assembly and the second limiting air guiding assembly are both movably connected to the inner wall of the shell, the first limiting air guiding assembly is configured to limit the volute assembly to the first position and is configured to form a first air guiding channel communicating with the air outlet and the first opening, and the second limiting air guiding assembly is configured to form a second air guiding channel communicating with the second opening. The second limiting air guide assembly is configured to limit the volute assembly to the second position and is configured to form a second air guide duct communicating with the air outlet and the second opening. According to the air conditioner indoor unit, the refrigerating and heating effects can be optimized.

The air conditioner indoor unit comprises a shell (1), the shell (1) comprises two side plates (13), the two side plates (13) are connected between a top plate (11) and a bottom plate (12) and are oppositely arranged in a spaced mode in the first direction (x), the top plate (11) is provided with a first opening (10) used for air outlet in a refrigeration mode, the bottom plate (12) is provided with a second opening (20) used for air outlet in a heating mode, and the first opening (10) is communicated with the second opening (20); at least one side plate (13) is provided with a third opening (30) for returning air; the fan comprises a volute assembly (2), the volute assembly (2) comprises a fixed volute (21) and a movable volute (22), the movable volute (22) is rotatably arranged in the fixed volute (21) around the central axis of the fan, so that the air conditioner indoor unit is switched between an upper air outlet state of a refrigeration mode and a lower air outlet state of a heating mode, and the central axis extends in the first direction (x). According to the air conditioner indoor unit, the refrigerating and heating effects can be optimized.