Air conditioner fan special for baby carriage

Abstract

The special air conditioner fan for the baby carriage comprises a carriage body assembling group end, the carriage body assembling group end comprises a shed roof mounting frame and a carriage body supporting side frame, a phase change refrigeration generation assembly is mounted on one side of the shed roof mounting frame, and a circulation face real-time temperature control assembly is mounted on one side of the carriage body supporting side frame. One end of the circulation surface real-time temperature control assembly is fixedly connected with a cold temperature circulation flow guide assembly, and the phase change refrigeration generation assembly is used for storing a cold source and generating cold airflow through phase change; after a cold source is formed in the energy storage type refrigeration box, negative pressure air of the cold source is guided to a ceramic cold source guide sleeve through a pipe direction air supply execution unit, sequentially passes through a spiral involute air duct barrel and an electric control arc-shaped air guide swing blade to be output into a vehicle and is attached to the inner wall of a vehicle hood to achieve annular circulation, and meanwhile in the cold source output process, the negative pressure air is output into the vehicle through the spiral involute air duct barrel and the electric control arc-shaped air guide swing blade. And the internal temperature of the ceramic cold source guide sleeve is reduced due to conduction of the cold source, so that the loss of the temperature of the cold air source in the initial output stage and the cold source generation temperature is reduced, and the balance during cold source output is kept.

Description

Technical Field

[0001] The invention belongs to the technical field of refrigeration equipment, and in particular relates to an air-conditioning fan specially used for baby carriages. Background Art

[0002] To meet the cooling needs of strollers, USB fans are typically installed to cool the stroller using an ice box. However, direct airflow from traditional USB fans can easily cause colds or discomfort in infants. Large local temperature differences can also cause condensation to accumulate in ice box cooling devices due to high humidity, leading to fabric mold. Furthermore, the bulk of semiconductor refrigeration equipment can hinder the folding and storage of strollers. Consequently, existing technologies lack the ability to adjust differentiated temperature control, resulting in suboptimal comfort and constant temperature maintenance. To address this issue, we propose a photovoltaic energy storage system with a dedicated stroller air conditioning fan. Summary of the Invention

[0003] The present invention provides an air-conditioning fan specially used for a baby carriage, so as to solve the problems raised in the background technology.

[0004] The present invention provides the following technical solution: an air-conditioning fan specially designed for baby carriages, comprising a body assembly group end, the body assembly group end comprising a roof mounting frame and a body support side frame, a phase change refrigeration generation component is installed on one side of the roof mounting frame, a circulation surface real-time temperature control component is installed on one side of the body support side frame, one end of the circulation surface real-time temperature control component is fixedly connected to a cold and warm circulation guide component, the phase change refrigeration generation component is used to store a cold source and generate a cold air flow through phase change, the cold and warm circulation guide component is used to circulate the cold source generated by the phase change refrigeration generation component along the inner circulation of the baby carriage, the circulation surface real-time temperature control component is used to obtain the passing temperature during two-way circulation in the vehicle and debug the output mode of the cold and warm circulation guide component.

[0005] A further improvement of the present invention is that the phase change refrigeration generation component includes an energy storage refrigeration box, a power supply adjustment unit and a tube-to-air supply execution unit, the energy storage refrigeration box is fixedly connected to the roof mounting frame, the power supply adjustment unit is fixedly connected to the energy storage refrigeration box, the input end of the tube-to-air supply execution unit is fixedly connected to the power supply adjustment unit, the output end of the tube-to-air supply execution unit passes through the circulation surface real-time temperature control component and extends to the position of the cold and warm circulation guide component, and the power supply adjustment unit is signal-connected to the tube-to-air supply execution unit.

[0006] A further improvement of the present invention is that a pull-out ice storage box, an evaporating heat pipe and a finned radiator are integrated inside the energy storage refrigeration box, the evaporating end of the evaporating heat pipe is in contact with the bottom of the pull-out ice storage box, and the condensing end of the evaporating heat pipe is in contact with the finned radiator.

[0007] A further improvement of the present invention is that the real-time temperature control component of the circulation surface includes an environmental perception debugging unit and a condensate precipitation unit, the environmental perception debugging unit is signal-connected to the duct-to-air supply execution unit, the condensate precipitation unit is fixedly connected to the output end of the duct-to-air supply execution unit, and when the environmental perception debugging unit senses the temperature balance in the vehicle, it sends a condensate discharge command to the condensate precipitation unit, and the condensate precipitation unit discharges the condensate accumulated at the bottom of the duct-to-air supply execution unit.

[0008] A further improvement of the present invention is that the cold and warm circulation guide assembly includes a ceramic cold source guide sleeve, a spiral involute air duct tube and an electrically controlled arc-shaped air guide swing blade. The ceramic cold source guide sleeve is fixedly connected to the output end of the condensate precipitation unit. There are two spiral involute air duct tubes and they are fixedly connected to the inner side of the ceramic cold source guide sleeve. The two spiral involute air duct tubes are symmetrically distributed and fixed. The electrically controlled arc-shaped air guide swing blade is fixedly connected to the output end of the spiral involute air duct tube. The electrically controlled arc-shaped air guide swing blade is used to control the direction of the output air source of the spiral involute air duct tube.

[0009] A further improvement of the present invention is a method for using a stroller-specific air-conditioning fan, comprising the following steps:

[0010] Step S1: placing a refrigeration product inside an energy storage refrigeration box, switching the power input source by a power supply adjustment unit and supplying power to the energy storage refrigeration box, and using the energy storage refrigeration box to generate a cold source by using the phase change latent heat of the refrigeration product;

[0011] Step S2: After a cold source is formed inside the energy storage refrigeration box, the negative pressure air from the cold source is guided to the ceramic cold source guide sleeve through the pipe to the air supply execution unit, and is successively output to the interior of the vehicle through the spiral involute air duct tube and the electrically controlled arc-shaped air guide swing blades and attached to the inner wall of the canopy to realize a circular circulation. At the same time, during the cold source output process, the internal temperature of the ceramic cold source guide sleeve drops due to the conduction of the cold source, thereby reducing the temperature loss of the cold air source in the initial output stage and the cold source generation temperature, thereby maintaining the balance of the cold source output.

[0012] In step S3, during the temperature control process, the environmental sensing debugging unit senses the circulating temperature of the cold source in the vehicle. That is, when the temperature difference between the cold source output by the electrically controlled arc-shaped air guide blades and the cold source returned after the circular circulation does not exceed the threshold, the condensate precipitation unit intermittently conducts the pipe to discharge the condensate accumulated inside the air supply execution unit without affecting the normal cooling operation state.

[0013] Compared with the prior art, the working principle of the present invention is as follows: after a cold source is formed inside the energy storage refrigeration box, the cold source negative pressure air is led to the ceramic cold source guide sleeve through the pipe to the air supply execution unit, and is successively output to the vehicle through the spiral involute duct tube and the electrically controlled arc-shaped air guide swing blade and attached to the inner wall of the canopy to realize a circular circulation. At the same time, during the cold source output process, the internal temperature of the ceramic cold source guide sleeve drops due to the conduction of the cold source, thereby reducing the loss of the temperature of the cold air source in the initial output stage and the temperature of the cold source generation, maintaining the balance during the cold source output. In addition, during the temperature control process, the environmental sensing debugging unit senses the cold source circulation temperature in the vehicle. That is, when the temperature difference between the cold source output by the electrically controlled arc-shaped air guide swing blade and the cold source returned after the circular circulation does not exceed the threshold, the condensate precipitation unit is intermittently opened to discharge the condensate accumulated inside the pipe to the air supply execution unit, thereby avoiding mildew of the vehicle body fabric caused by the accumulation of condensed water without affecting the normal cooling operation state, and effectively improving the constant temperature maintenance effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0016] Figure 3 The structure of the present invention is schematically shown Figure 3 .

[0017] In the figure: 1. Body assembly group end; 11. Roof mounting frame; 12. Body support side frame; 2. Phase change refrigeration generation component; 21. Energy storage refrigeration box; 22. Power supply adjustment unit; 23. Duct-directed air supply execution unit; 3. Circulation surface real-time temperature control component; 31. Environmental perception debugging unit; 32. Condensate precipitation unit; 4. Cold and temperature circulation guide component; 41. Ceramic cold source guide sleeve; 42. Spiral involute air duct tube; 43. Electric-controlled arc-shaped air guide blade. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual drawings. They should not be construed as limiting this patent. To better illustrate the specific embodiments of the present invention, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the dimensions of actual products. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 3, a special air-conditioning fan for baby carriages, including a body assembly group end 1, the body assembly group end 1 includes a roof mounting frame 11 and a body support side frame 12, a phase change refrigeration generation component 2 is installed on one side of the roof mounting frame 11, and a circulation surface real-time temperature control component 3 is installed on one side of the body support side frame 12, one end of the circulation surface real-time temperature control component 3 is fixedly connected to a cold and warm circulation guide component 4, the phase change refrigeration generation component 2 is used to store the cold source and generate a cold air flow through phase change, the cold and warm circulation guide component 4 is used to circulate the cold source generated by the phase change refrigeration generation component 2 along the baby carriage, the circulation surface real-time temperature control component 3 is used to obtain the passing temperature during the two-way circulation in the car and debug the output mode of the cold and warm circulation guide component 4.

[0020] In this embodiment, the body assembly group end 1 is installed on the baby carriage frame to support the phase change refrigeration generation component 2, the circulation surface real-time temperature control component 3 and the cold and warm circulation guide component 4, so that the cold and warm circulation guide component 4 is installed inside the baby carriage to achieve circulation cooling.

[0021] In this embodiment, in order to solve the problem that the existing technology lacks adjustment for differentiated temperature control, and the comfort and constant temperature maintenance effects during overall application are not ideal, the present invention is provided with a phase change refrigeration generation component 2, a circulation surface real-time temperature control component 3 and a cold and warm circulation guide component 4. After a cold source is formed inside the energy storage refrigeration box 21, the phase change refrigeration generation component 2, the circulation surface real-time temperature control component 3 and the cold and warm circulation guide component 4 are installed on the baby carriage through the vehicle body assembly group end 1, and the cold source negative pressure wind is led to the ceramic cold source guide sleeve 41 through the pipe to the air supply execution unit 23, and is successively output to the vehicle through the spiral involute duct cylinder 42 and the electrically controlled arc-shaped air guide swing blade 43 and attached to the inner wall of the canopy for real-time control. A circular circulation occurs, and at the same time, during the cold source output process, the internal temperature of the ceramic cold source guide sleeve 41 drops due to the conduction of the cold source, thereby reducing the temperature loss of the cold air source in the initial output stage and the cold source generation temperature, maintaining the balance of the cold source output, and in the temperature control process, the environmental sensing debugging unit 31 senses the cold source circulation temperature in the vehicle, that is, when the temperature difference between the cold source output by the electrically controlled arc-shaped air guide blade 43 and the cold source returned after the circular circulation does not exceed the threshold, the condensate precipitation unit 32 is intermittently turned on to discharge the condensate accumulated on the inside of the pipe to the air supply execution unit 23, which does not affect the normal cooling operation state while avoiding the mildew of the vehicle body fabric caused by the accumulation of condensed water, and effectively improves the constant temperature maintenance effect.

[0022] In this embodiment, the phase change refrigeration generation component 2 includes an energy storage refrigeration box 21, a power supply adjustment unit 22 and a duct air supply execution unit 23. The energy storage refrigeration box 21 is fixedly connected to the roof mounting frame 11, the power supply adjustment unit 22 is fixedly connected to the energy storage refrigeration box 21, the input end of the duct air supply execution unit 23 is fixedly connected to the power supply adjustment unit 22, the output end of the duct air supply execution unit 23 passes through the circulation surface real-time temperature control component 3 and extends to the position of the cold and warm circulation guide component 4, and the power supply adjustment unit 22 is signal-connected to the duct air supply execution unit 23.

[0023] In this embodiment, the energy storage refrigeration box 21 integrates a pull-out ice storage box, an evaporating heat pipe and a fin radiator. The evaporating end of the evaporating heat pipe is in contact with the bottom of the pull-out ice storage box, and the condensing end of the evaporating heat pipe is in contact with the fin radiator.

[0024] In this embodiment, the bottom plate of the pull-out ice storage box provided in the energy storage refrigeration box 21 is provided with honeycomb-type heat conduction holes. After the ice storage box bottom plate is heated by the evaporation end of the evaporation heat pipe and evaporated, the heat is dissipated by the fin radiator to generate a cold source to realize phase change latent heat. Then, the cold source is sucked by negative pressure from the pipe to the air supply execution unit 23 to output it into the baby carriage in sequence through the ceramic cold source guide sleeve 41, the spiral involute air duct cylinder 42 and the electrically controlled arc-shaped air guide blade 43.

[0025] In this embodiment, the duct-to-air supply execution unit 23 uses a micro fan, whose input end is fixedly connected to the energy storage refrigeration box 21 through a hose, and the output end is fixedly connected to the ceramic cold source guide sleeve 41. The power supply adjustment unit 22 is composed of an external power interface and a battery interface, and the power supply requirements can be adjusted according to the needs of going out.

[0026] In this embodiment, the real-time temperature control component 3 of the circulation surface includes an environmental perception debugging unit 31 and a condensate precipitation unit 32. The environmental perception debugging unit 31 is signal-connected to the duct-to-air supply execution unit 23, and the condensate precipitation unit 32 is fixedly connected to the output end of the duct-to-air supply execution unit 23. When the environmental perception debugging unit 31 senses the temperature balance in the vehicle, it sends a condensate discharge command to the condensate precipitation unit 32, and the condensate precipitation unit 32 discharges the condensate accumulated at the bottom of the duct-to-air supply execution unit 23.

[0027] In this embodiment, the environmental perception debugging unit 31 includes an infrared thermal imager, a millimeter-wave radar, and a temperature and humidity sensor patch. When in use, the temperature and humidity sensor patch is placed in the interlayer of the baby stroller seat, and the temperature and humidity of the current baby when riding is obtained through the temperature and humidity sensor patch, which is used as the debugging value of the setting angle of the electrically controlled arc-shaped air guide blade 43. That is, when the temperature and humidity rise when the baby is riding, the setting opening and closing angle of the electrically controlled arc-shaped air guide blade 43 increases, and the air source sent out by the electrically controlled arc-shaped air guide blade 43 decreases along the circulation path in the baby stroller.

[0028] In this embodiment, the cold and warm circulation guide assembly 4 includes a ceramic cold source guide sleeve 41, a spiral involute air duct tube 42 and an electrically controlled arc-shaped air guide swing blade 43. The ceramic cold source guide sleeve 41 is fixedly connected to the output end of the condensate precipitation unit 32. There are two spiral involute air duct tubes 42 and they are fixedly connected to the inner side of the ceramic cold source guide sleeve 41. The two spiral involute air duct tubes 42 are symmetrically distributed and fixed. The electrically controlled arc-shaped air guide swing blade 43 is fixedly connected to the output end of the spiral involute air duct tube 42. The electrically controlled arc-shaped air guide swing blade 43 is used to control the direction of the air source output by the spiral involute air duct tube 42. In this embodiment, a driving motor is installed at the output end of the spiral involute air duct tube 42. The output end of the driving motor is fixedly connected to the electrically controlled arc-shaped air guide blade 43 and is used to drive the electrically controlled arc-shaped air guide blade 43 to adjust the rotation opening and closing angle. By changing the rotation opening and closing angle of the electrically controlled arc-shaped air guide blade 43, the path of the cold air source passing along the internal wind source of the baby carriage is adjusted, thereby changing the circulation path. During the condensed water discharge operation, the temperature loss is reduced by reducing the path of the cold air source passing along the internal wind source of the baby carriage.

[0029] In the present embodiment, the ceramic cold source guide sleeve 41 has good temperature conduction performance after contacting the cold source outputted by the pipe to the air supply execution unit 23, that is, the temperature of the ceramic cold source guide sleeve 41 drops synchronously after the cold source is outputted by the pipe to the air supply execution unit 23. The ceramic cold source guide sleeve 41 is close to the position of the vehicle frame and plays an auxiliary cooling role on the temperature inside the vehicle. In the present embodiment, the condensate precipitation unit 32 is composed of a micro solenoid valve and a discharge pipe, wherein the discharge pipe is vertically connected to the bottom of the hose in the pipe to the air supply execution unit 23. Due to its orientation, the condensed water generated in the hose of the pipe to the air supply execution unit 23 is guided to the solenoid valve position along the vertically arranged discharge pipe under the action of gravity, and is intermittently discharged by the solenoid valve, and will not accumulate during the transportation process to the pipe to the air supply execution unit 23.

[0030] In this embodiment, both the roof mounting frame 11 and the body support side frames 12 are made of Nitinol. The Nitinol-based roof mounting frame 11 and the body support side frames 12 are deformable and bendable, allowing the mounting orientation of the roof mounting frame 11 and the body support side frames 12 to be adjusted according to the stroller's assembly position, allowing the phase change cooling generation assembly 2, the circulation surface real-time temperature control assembly 3, and the cold / warm circulation guide assembly 4 to conform to the stroller's frame installation position.

[0031] The working principle of the present invention is: first, open the pull-out ice storage box, then place the refrigeration product inside the energy storage refrigeration box 21, and switch the power input source by the power supply adjustment unit 22. That is, when there is no power connection outdoors, the built-in battery is used to power the energy storage refrigeration box 21. When there is power connection, the wired power supply can be connected through the USB interface, and then the refrigeration product phase change latent heat is used to produce a cold source through the energy storage refrigeration box 21. After a cold source is formed inside the energy storage refrigeration box 21, the cold source negative pressure wind is led to the ceramic cold source guide sleeve 41 through the pipe to the air supply execution unit 23, and is successively output to the car through the spiral involute air duct tube 42 and the electrically controlled arc-shaped air guide blades 43 and attached to the inner wall of the car canopy to realize a circular circulation. When the temperature and humidity rise when the baby is riding, the opening and closing angle of the electrically controlled arc-shaped air guide blades 43 increases, and the air source sent out by the electrically controlled arc-shaped air guide blades 43 decreases along the circulation path in the baby carriage. At the same time, during the cold source output process, the internal temperature of the ceramic cold source guide sleeve 41 drops due to the conduction of the cold source, thereby reducing the loss of the temperature of the cold air source in the initial output stage and the temperature of the cold source generation, thereby maintaining the balance of the cold source output. During the temperature control process, the environmental sensing debugging unit 31 senses the circulation temperature of the cold source in the vehicle. That is, when the temperature difference between the cold source output by the electrically controlled arc-shaped air guide blades 43 and the cold source returned after the circular circulation does not exceed the threshold, the condensate precipitation unit 32 intermittently conducts the pipe to discharge the condensate accumulated on the inside of the air supply execution unit 23, without affecting the normal cooling operation state.

[0032] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A baby carriage air conditioning fan, comprising a body assembly group end (1), characterized in that: The vehicle body assembly group end (1) comprises a roof mounting frame (11) and a vehicle body support side frame (12); a phase change refrigeration generation component (2) is mounted on one side of the roof mounting frame (11); a circulation surface real-time temperature control component (3) is mounted on one side of the vehicle body support side frame (12); one end of the circulation surface real-time temperature control component (3) is fixedly connected to a cold-temperature circulation guide component (4); the phase change refrigeration generation component (2) is used to store a cold source and generate a cold air flow through phase change; the cold-temperature circulation guide component (4) is used to circulate the cold source generated by the phase change refrigeration generation component (2) along the inside of the baby carriage; the circulation surface real-time temperature control component (3) is used to obtain the passing temperature during bidirectional circulation in the carriage and to adjust the output mode of the cold-temperature circulation guide component (4).

2. The air-conditioning fan for a baby stroller according to claim 1, characterized in that: The phase change refrigeration generation component (2) comprises an energy storage refrigeration box (21), a power supply regulating unit (22) and a duct-directed air supply execution unit (23); the energy storage refrigeration box (21) is fixedly connected to the roof mounting frame (11); the power supply regulating unit (22) is fixedly connected to the energy storage refrigeration box (21); the input end of the duct-directed air supply execution unit (23) is fixedly connected to the power supply regulating unit (22); the output end of the duct-directed air supply execution unit (23) passes through the circulation surface real-time temperature control component (3) and extends to the position of the cold and warm circulation guide component (4); the power supply regulating unit (22) is signal-connected to the duct-directed air supply execution unit (23).

3. The air-conditioning fan for a baby stroller according to claim 2, characterized in that: The energy storage refrigeration box (21) is internally integrated with a pull-out ice storage box, an evaporating heat pipe, and a finned radiator; the evaporating end of the evaporating heat pipe is fitted with the bottom of the pull-out ice storage box, and the condensing end of the evaporating heat pipe is fitted with the finned radiator.

4. The air-conditioning fan for a baby stroller according to claim 3, characterized in that: The circulation surface real-time temperature control component (3) comprises an environment sensing debugging unit (31) and a condensate precipitation unit (32), wherein the environment sensing debugging unit (31) is connected to the pipe-to-air supply execution unit (23) by signal, and the condensate precipitation unit (32) is fixedly connected to the output end of the condensate precipitation unit (32) and the pipe-to-air supply execution unit (23). When the environment sensing debugging unit (31) senses that the temperature in the vehicle is balanced, it sends a condensate discharge command to the condensate precipitation unit (32), and the condensate precipitation unit (32) discharges the condensate accumulated at the bottom of the pipe-to-air supply execution unit (23).

5. The air-conditioning fan for a baby stroller according to claim 4, characterized in that: The cold-temperature circulation guide assembly (4) comprises a ceramic cold source guide sleeve (41), a spiral involute air duct cylinder (42) and an electrically controlled arc-shaped air guide swing blade (43); the ceramic cold source guide sleeve (41) is fixedly connected to the output end of the condensate precipitation unit (32); there are two spiral involute air duct cylinders (42) and they are fixedly connected to the inner side of the ceramic cold source guide sleeve (41); the two spiral involute air duct cylinders (42) are symmetrically distributed and fixed; the electrically controlled arc-shaped air guide swing blade (43) is fixedly connected to the output end of the spiral involute air duct cylinder (42); the electrically controlled arc-shaped air guide swing blade (43) is used to control the direction of the air source output of the spiral involute air duct cylinder (42).

6. The air-conditioning fan for a baby stroller according to claim 5, characterized in that: The roof mounting frame (11) and the vehicle body supporting side frame (12) are both made of Nitinol.

7. The method for using a baby stroller-specific air-conditioning fan according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step S1: placing a refrigeration product inside an energy storage refrigeration box (21); switching a power input source by a power supply adjustment unit (22) and supplying power to the energy storage refrigeration box (21); and using the energy storage refrigeration box (21) to convert the refrigeration product into a cold source by using its phase change latent heat; Step S2: After a cold source is formed inside the energy storage refrigeration box (21), the cold source negative pressure air is guided to the ceramic cold source guide sleeve (41) through the pipe to the air supply execution unit (23), and is sequentially output to the vehicle through the spiral involute air duct cylinder (42) and the electrically controlled arc-shaped air guide swing blade (43) and attached to the inner wall of the canopy to realize an annular circulation. At the same time, during the cold source output process, the internal temperature of the ceramic cold source guide sleeve (41) is lowered by the cold source conduction, thereby reducing the loss of the temperature of the cold air source in the initial output stage and the temperature of the cold source generation, and maintaining the balance of the cold source output; In step S3, during the temperature control process, the environment sensing and debugging unit (31) senses the circulating temperature of the cold source in the vehicle, that is, when the temperature difference between the cold source output by the electrically controlled arc-shaped air guide blade (43) and the cold source returned after the annular circulation does not exceed the threshold value, the condensate precipitation unit (32) intermittently conducts to discharge the condensate accumulated inside the pipe to the air supply execution unit (23), without affecting the normal cooling operation state.

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