Self-cleaning air conditioner air supply unit and operation control system thereof

Abstract

The utility model relates to the technical field of intelligent purifying and cleaning, in particular to a self-cleaning air conditioner air supply unit and an operation control system thereof. The self-cleaning purification module comprises a purification assembly which is distributed in the first direction and is in sealed connection with the wall face of a circulation cavity, and the purification assembly is provided with a filtering face; the cleaning assembly is distributed along the second direction and is arranged corresponding to the filtering surface; the cleaning assembly comprises a cleaning mechanism and a driving mechanism, the cleaning mechanism is in driving connection with the driving mechanism, and the driving mechanism can drive the cleaning mechanism to reciprocate in the first direction. According to the self-cleaning purification module provided by the utility model, the air entering the air conditioner ventilation unit is adsorbed and purified through the purification assembly. And meanwhile, the purification assembly is automatically cleaned through the cleaning assembly, so that the continuous effect of the purification function is guaranteed. And manual disassembly treatment is not needed in the cleaning process, and the cleaning efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent purification cleaning technical field especially, it relates to a kind of self-cleaning purification module, self-cleaning purification system and self-cleaning air conditioning ventilation unit. BACKGROUND

[0002] Metro ventilation and air conditioning system is mainly composed of station hall, platform ventilation and air conditioning system, equipment management ventilation and air conditioning system and air conditioning water system. Generally speaking, ventilation and air conditioning unit is generally composed of mixed section of fresh air outlet and return air inlet combination, filter section, surface cooling section, air supply section. Ensure air cleaning degree is realized by filter section, and air temperature is realized by surface cooling section.

[0003] The filter section of ventilation and air conditioning unit, most of the products use filter mode for filter screen filtering. Such mode needs to replace filter screen periodically, and in the case that unit installation position is not friendly, replacing filter screen needs to consume a lot of manpower, especially in similar places such as subway, continuously supplied fresh air volume is very large, and unit size is also very large. It is extremely difficult to replace filter screen by manpower.

[0004] In addition, the surface cooling section in the unit needs to be made into fin structure surface cooler to ensure heat exchange capacity. If filter section filtering effect is poor, dust will also adhere to the fin gap of surface cooler, thereby affecting the heat exchange effect of surface cooler, and making air treatment effect poor.

[0005] Therefore, the filter section is gradually optimized to electrostatic dust removal filter section in current subway and similar projects. Electrostatic dust removal filter is generally accepted due to its high purification efficiency and cleaning without replacement. However, when electrostatic dust removal filter is used in subway and similar projects, it is laborious and time-consuming to clean manually due to the large size of unit. Incomplete cleaning will also cause dust accumulation in surface cooling section. Therefore, air conditioning ventilation unit with self-cleaning function is needed to solve the above problems. INVENTION CONTENTS

[0006] The technical problem to be solved by the utility model is to provide self-cleaning air conditioning ventilation unit configured with a self-cleaning purification module and a self-cleaning purification system, to overcome the defects of difficult cleaning of existing air conditioning unit, and to damage and affect the service life of the whole device during disassembly and cleaning.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: a self-cleaning purification module is arranged in the flow-through cavity of air conditioning ventilation unit, and is used for adsorbing and purifying air entering the flow-through cavity through the air inlet and discharging the air, and comprises:

[0008] The purification assembly is distributed along a first direction and is sealingly connected with the wall surface of the flow cavity, and the purification assembly has a filtering surface;

[0009] The cleaning assembly is distributed along a second direction and is arranged corresponding to the filtering surface.

[0010] The cleaning assembly comprises a cleaning mechanism and a driving mechanism, the cleaning mechanism is drivingly connected with the driving mechanism, and the driving mechanism can drive the cleaning mechanism to reciprocally move along a first direction.

[0011] Further, the cleaning mechanism comprises a water spraying vertical rod, at least two water spraying openings are formed in the water spraying vertical rod, and the water spraying openings are directed towards the purification assembly.

[0012] Further, the cleaning assembly further comprises a water supply mechanism, the water supply mechanism comprises a booster pump and a water conveying hose, and the booster pump conveys external water flow to the water spraying vertical rod after boosting the external water flow through the water conveying hose.

[0013] Further, the cleaning assembly further comprises a first support and a second support, the first support is distributed along a second direction and is arranged on a side of the purification assembly away from the air inlet, the second support is distributed along a first direction and is arranged on the first support, the driving mechanism is slidingly connected with the second support, and the driving mechanism drives the cleaning mechanism to reciprocally slide along the second support.

[0014] Further, the purification assembly comprises a high-voltage electrostatic filter core and a filter screen, and the filter screen is arranged between the high-voltage electrostatic filter core and the air inlet.

[0015] The utility model also provides a kind of self-cleaning purification system, including control module, detection module and the self-cleaning purification module as any described above, the control module is electrically connected with the detection module and the self-cleaning purification module.

[0016] Further, the detection module comprises a differential pressure sensor for detecting the pressure difference of air before and after passing through the purification assembly.

[0017] Further, it further includes a sewage discharge module, which is electrically connected with the control module, and is used for discharging sewage at the bottom of the purification assembly.

[0018] The utility model also provides a kind of self-cleaning air conditioning ventilation unit, including flow cavity and the self-cleaning purification system as any described above, and the self-cleaning purification system is arranged in the flow cavity.

[0019] Further, a sewage discharge opening is formed in the bottom of the side wall of the flow cavity.

[0020] The utility model has the advantages that:

[0021] 1. The self-cleaning purification module provided by the utility model, through the purification assembly, air entering the air conditioning ventilation unit is adsorbed and purified. At the same time, through the cleaning assembly, the purification assembly is automatically cleaned, so that the purification function continuously acts. The overall cleaning process does not need manual disassembly and treatment, effectively improves the cleaning efficiency, so that the air conditioning ventilation unit can continuously transport clean clean air.

[0022] 2. The self-cleaning purification system provided by the utility model, through the cooperation of the control module, the detection module and the self-cleaning purification module, the self-cleaning function can be intelligently operated periodically or according to the signal of the detection module, so that the real-time adjustment of the operation condition of the air conditioning ventilation unit is completed, and the normal operation of the air conditioning ventilation unit is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 The utility model provides a three-dimensional schematic view of the cleaning assembly in an embodiment;

[0024] Fig. 2 The utility model provides a structural schematic view of the cleaning assembly in an embodiment;

[0025] Fig. 3 The utility model provides a structural schematic view of a self-cleaning air conditioning ventilation unit embodiment.

[0026] REFERENCE SIGNS:

[0027] 1. The self-cleaning purification module; 11, purification assembly; 12, cleaning assembly; 121, cleaning mechanism; 1211, water spraying vertical rod; 1212, water spraying port; 122, driving mechanism; 123, water supply mechanism; 1231, booster pump; 1232, water supply hose; 124, first support; 125, second support;

[0028] 2. The self-cleaning air conditioning ventilation unit; 21, air inlet section; 211, air inlet; 22, air supply section; 221, air outlet; 222, air supply fan; 23, flow cavity; 24, control module. DETAILED DESCRIPTION

[0029] In order to explain the technical content, the purpose and the effect of the utility model in detail, the following will be explained in combination with the embodiment and the drawings.

[0030] Therefore, please refer to Fig. 1 and Fig. 2The self-cleaning purification module 1 is arranged in the flow cavity 23 of the air conditioning ventilation unit, is used for discharging the air entering the flow cavity 23 through the air inlet 211 after being adsorbed and purified, and comprises a purification assembly 11 and a cleaning assembly 12, the purification assembly 11 is distributed along a first direction and is sealingly connected with the wall surface of the flow cavity 23, the purification assembly 11 has a filter surface, the cleaning assembly 12 is distributed along a second direction and is arranged correspondingly with the filter surface, the cleaning assembly 12 comprises a cleaning mechanism 121 and a driving mechanism 122, the cleaning mechanism 121 is drivingly connected with the driving mechanism 122, and the driving mechanism 122 can drive the cleaning mechanism 121 to reciprocate along the first direction. The purification assembly 11 is arranged in the flow cavity 23 and is sealingly connected with the wall surface of the flow cavity 23, so that the air flowing along the flow cavity 23 can contact the purification assembly 11, thereby ensuring the purification effect. The cleaning mechanism 121 is arranged towards the filter surface of the purification assembly 11, so that the cleaning mechanism 121 can blow and / or spray water to clean the filter surface of the cleaning mechanism 121. The driving mechanism 122 enables the cleaning mechanism 121 to reciprocate along the first direction, expands the cleaning area of the cleaning mechanism 121, and ensures the cleaning effect. Specifically, the purification assembly 11 can adopt filter screen, electrostatic adsorber and other adsorption purification devices, the cleaning mechanism 121 can adopt air flow blowing device or water spraying device and other equipment, and the driving mechanism 122 can be a combination of telescopic rod, sliding table, motor and sliding block, or motor and screw rod, and the like. Those skilled in the art can select appropriate purification assembly 11 and cleaning assembly 12 according to actual needs, without specific limitation.

[0031] Specifically, the first direction is the width direction of the flow cavity 23, the second direction is the height direction of the flow cavity 23, and the third direction is the length direction of the flow cavity 23. In actual arrangement, the second direction is the vertical direction, and the first direction and the third direction are arranged according to the.

[0032] It can be understood that the self-cleaning purification module 1 provided by the utility model realizes adsorption and purification of the air entering the air conditioning ventilation unit through the purification assembly 11. Meanwhile, the purification assembly 11 is automatically cleaned through the cleaning assembly 12, so that the purification function continuously acts. The overall cleaning process does not need manual disassembly and treatment, effectively improves the cleaning efficiency, so that the air conditioning ventilation unit can continuously transport clean and clean air.

[0033] In some embodiments, the cleaning mechanism 121 comprises a water spraying vertical rod 1211, at least two water spraying openings 1212 are formed on the water spraying vertical rod 1211, and the water spraying openings 1212 are directed towards the purification assembly 11. The water spraying vertical rod 1211 is arranged along the second direction and is displaced along the first direction under the driving of the driving mechanism 122, and the overall displacement track is parallel to the filtering surface. The plurality of water spraying openings 1212 spray water at the same time to perform high-pressure flushing on the filtering surface, so as to ensure the cleaning effect. Specifically, a person skilled in the art can adjust the positions of the water spraying openings 1212 and the water spraying vertical rod 1211 according to the structure of the cleaning assembly 12, so that the cleaning mechanism 121 can perform comprehensive cleaning on the filtering surface.

[0034] Preferably, a cleaning spray head is arranged at the water spraying opening 1212, the diameter of the cleaning spray head is 1.0 mm, the fan-shaped spraying angle is 80-160°, and the cleaning spray head makes the water outlet pressure of each water spraying opening 1212 reach 0.3-0.8 Mpa, so as to ensure the cleaning effect on the purification assembly 11.

[0035] In some embodiments, the cleaning assembly 12 further comprises a water supply mechanism 123, the water supply mechanism 123 comprises a booster pump 1231 and a water supply hose 1232, and the booster pump 1231 delivers external water flow to the water spraying vertical rod 1211 after boosting the water flow through the water supply hose 1232. In this way, the water supply of the cleaning mechanism 121 is independent, and the water supply pressure can meet the requirements.

[0036] Preferably, the water supply mechanism 123 is provided with a water supply electromagnetic valve, which automatically cuts off the water supply after the cleaning mechanism 121 completes the cleaning, so as to avoid waste.

[0037] More preferably, the water supply hose 1232 is fixed through a tank chain (tow chain) structure, so that the water supply hose 1232 can move along with the cleaning mechanism 121, and the stability of the water supply is ensured.

[0038] In some embodiments, the cleaning assembly 12 further comprises a first support 124 and a second support 125, the first support 124 is distributed along the second direction and arranged on the side of the purification assembly 11 away from the air inlet 211, the second support 125 is distributed along the first direction and arranged on the first support 124; the driving mechanism 122 is in sliding connection with the second support 125, and the driving mechanism 122 drives the cleaning mechanism 121 to reciprocate along the second support 125. The first support 124 and the second support 125 form a support structure, and the driving mechanism 122 is arranged on the second support 125, so that the driving mechanism 122 can slide along the second support 125, thereby driving the cleaning mechanism 121 to move reciprocally in the first direction. The second support 125 can adjust the height of the driving mechanism 122, thereby controlling the cleaning range of the cleaning mechanism 121. Moreover, the first support 124 and the second support 125 can conduct the reaction force generated by the water sprayed by the cleaning mechanism 121 to the flow cavity 23, thereby avoiding the position deviation of the cleaning mechanism 121 caused by the reaction force, and ensuring the cleaning effect.

[0039] Preferably, the second support 125 is provided with a sliding rail, and the driving mechanism 122 is a combination of a sliding block and a servo motor, and the servo motor drives the sliding block to slide on the sliding rail, thereby driving the cleaning mechanism 121 connected with the servo motor to move. Preferably, the servo motor is an IP65 rated servo motor, thereby avoiding the water sprayed by the cleaning mechanism 121 from entering the servo motor, preventing short circuit, and ensuring the smooth operation of the cleaning assembly 12.

[0040] In some embodiments, the purification assembly 11 comprises a high-voltage electrostatic filter element and a filter screen, and the filter screen is arranged between the high-voltage electrostatic filter element and the air inlet 211. The purification assembly 11 adopts the combination of the filter screen and the high-voltage electrostatic filter element, after the air is preliminarily filtered by the filter screen, the high-voltage electrostatic filter element further removes dust and disinfects the air. The high-voltage electrostatic filter element utilizes the principle of static electricity to charge the particles in the airflow, and then captures them on the dust collection device with high-voltage electrodes by the action of Coulomb force, and simultaneously sterilizes the bacteria attached to the particles by high-voltage electrostatic field, thereby achieving the goal of comprehensive disinfection and purification of the air by the combination of active capture and active sterilization. Specifically, the filter surface is the plane where the dust collection device is located. Preferably, the high-voltage electrostatic filter element is a two-section high-voltage electrostatic filter element, and the filter screen is a G4 metal primary efficiency filter screen.

[0041] Preferably, the purification assembly 11 is installed in a positive pressure mode, and a sealing strip is attached around the purification assembly 11 to avoid air leakage between the purification assembly 11 and the flow cavity 23. Specifically, the purification assembly 11 is fixed in the flow cavity 23 through a mounting bracket, the mounting bracket is made of stainless steel, has an X-shaped assembly structure, and is provided with an openwork at the bottom. The power supply of the high-voltage electrostatic filter core is connected in parallel, and the high-voltage connection line is connected through a single-core high-voltage aviation joint to ensure that the high-voltage electrostatic filter core can be safely powered on after cleaning. When the cleaning assembly 12 sprays water, the high-voltage electrostatic filter core is powered off, the high-pressure water flow washes the dust collecting device, and after the dust and impurities are washed clean, the sewage is discharged from the openwork at the bottom of the mounting bracket.

[0042] Preferably, the power supply and circuit part of the high-voltage electrostatic filter core are arranged at the top of the high-voltage electrostatic filter core, which can ensure the circuit connection effect, reduce water splash, and shorten the drying time.

[0043] The utility model also provides a kind of self-cleaning purification system, including control module 24, detection module and the self-cleaning purification module 1 of any described above, control module 24 is electrically connected with detection module and self-cleaning purification module 1.

[0044] Preferably, the control module 24 is arranged in the integrated control box, which can avoid the interference of external water vapor, dust and other factors.

[0045] In some embodiments, the detection module includes a differential pressure sensor for detecting the pressure difference of air before and after passing through the purification assembly 11. The differential pressure sensor transmits the detected pressure difference value to the control module 24, and the control module 24 controls whether the self-cleaning purification module 1 enters the self-cleaning step according to the pressure difference value.

[0046] Preferably, the detection module further includes a short circuit detector electrically connected with the purification assembly 11 and the control module 24. The short circuit detector detects the short circuit of the purification assembly 11 before the purification assembly 11 is started, and transmits the detection result to the control module 24. Those skilled in the art can design the circuit connection mode of the detection module according to actual needs, without specific limitation.

[0047] In some embodiments, a sewage discharge module is also included, which is electrically connected with the control module 24. The sewage discharge module is used to discharge the sewage at the bottom of the purification assembly 11. Specifically, the sewage discharge module includes a sewage water receiving tray, a drain electromagnetic valve and a drain pipeline. The sewage water receiving tray is arranged in a sinking manner. The drain electromagnetic valve is arranged in the sewage water receiving tray and communicates with the drain pipeline. The drain electromagnetic valve is opened and closed after receiving the signal from the control module 24, so that the sewage in the sewage water receiving tray flows out. Preferably, the sewage discharge module can also receive the condensed water on the wall surface of the flow cavity 23, receive and discharge the condensed water, and effectively save costs.

[0048] Preferably, the drying module is arranged on the side of the purification assembly 11 away from the cleaning assembly 12, at the top of the flow cavity 23, and is used to dry the purification assembly 11 by hot air, thereby shortening the drying time. Specifically, the drying module can be a fan and heating wire structure, and those skilled in the art can arrange a suitable drying module according to the needs, without specific limitation.

[0049] The utility model also provides a kind of self-cleaning air conditioning ventilation unit 2, including flow cavity 23 and the self-cleaning purification system as any described above, and self-cleaning purification system is arranged in flow cavity 23.

[0050] Specifically, the self-cleaning air conditioning ventilation unit 2 includes an air inlet section 21 and an air supply section 22, the air inlet section 21 is provided with an air inlet 211, and the air supply section 22 is provided with an air outlet 221. The internal cavities of the air inlet section 21 and the air supply section 22 together form a flow cavity 23. The air supply section 22 is provided with an air supply fan 222 for conveying air in the flow cavity 23 out of the air outlet 221.

[0051] In some embodiments, the side wall of the flow cavity 23 is provided with a sewage outlet at the bottom. The sewage outlet is in communication with the sewage module, and the sewage in the communication of the sewage module is discharged from the self-cleaning air conditioning ventilation unit 2.

[0052] Preferably, the self-cleaning air conditioning ventilation unit 2 provided by the utility model further includes a surface cooling section, which is arranged after the air supply section 22. The surface cooling section receives air purified by the self-cleaning purification system, thereby ensuring the heat exchange effect of the surface cooling section. Specifically, the medium of the surface cooling section can be refrigerant or cold water, so that the self-cleaning air conditioning ventilation unit 2 is a direct expansion refrigerant unit or a central air conditioning ventilation processing unit. Those skilled in the art can arrange the surface cooling section and select appropriate medium according to the needs, without specific limitation.

[0053] As Figs. 1-3As shown, the utility model provides an embodiment one: a self -cleaning air conditioning ventilation unit 2, including flow through cavity 23 and self -cleaning purification system, self -cleaning air conditioning ventilation unit 2 includes air inlet section 21 and air supply section 22, air inlet section 21 is equipped with air inlet 211, and air supply section 22 is equipped with air outlet 221, and air supply section 22 is equipped with air supply fan 222. The cavity in air inlet section 21 and air supply section 22 inside is formed flow through cavity 23 in common, and self -cleaning purification system is arranged in flow through cavity 23. Self -cleaning purification system, including control module 24, detection module and self -cleaning purification module 1, control module 24 is electrically connected with detection module and self -cleaning purification module 1. Self -cleaning purification module 1 includes purification assembly 11 and cleaning assembly 12, purification assembly 11 is distributed along the first direction and is sealedly connected with the wall surface of flow through cavity 23, and purification assembly 11 has filter surface;Cleaning assembly 12 is distributed along the second direction and is correspondingly arranged with filter surface;Cleaning assembly 12 includes cleaning mechanism 121 and drive mechanism 122, and cleaning mechanism 121 is drivenly connected with drive mechanism 122, and drive mechanism 122 can drive cleaning mechanism 121 to reciprocate along the first direction.

[0054] Cleaning mechanism 121 includes water spraying vertical rod 1211, and two water spraying openings 1212 are formed in water spraying vertical rod 1211, and water spraying opening 1212 is towards purification assembly 11. A cleaning spray head is arranged at water spraying opening 1212, the diameter of the cleaning spray head is 1.0mm, the fan-shaped spraying angle is 80-160 °, and the cleaning spray head makes the water pressure of each water spraying opening 1212 reach 0.3-0.8Mpa.

[0055] Cleaning assembly 12 further includes water supply mechanism 123, and water supply mechanism 123 includes booster pump 1231, water supply electromagnetic valve and water supply hose 1232, and booster pump 1231 delivers external water flow to water spraying vertical rod 1211 after pressurization through water supply hose 1232.

[0056] In the embodiment, further include sewage module, and the sewage module is electrically connected with control module 24, and the sewage module is used for discharging sewage at the bottom of purification assembly 11, and the sewage module includes sewage water receiving tray, drain electromagnetic valve and drain pipeline, and the sewage water receiving tray is arranged in sinking. The drain electromagnetic valve is arranged in the sewage water receiving tray and is communicated with the drain pipeline, and the drain electromagnetic valve is opened and closed after receiving the signal of control module 24, so that the sewage in the sewage water receiving tray flows out. The side wall bottom of flow through cavity 23 is provided with a sewage outlet, and the sewage outlet is communicated with the sewage module, and the sewage in the communication of the sewage module is discharged from the self -cleaning air conditioning ventilation unit 2.

[0057] In the embodiment, the cleaning assembly 12 further comprises a first support 124 and a second support 125, the first support 124 is distributed along the second direction and arranged on the side of the purification assembly 11 away from the air inlet 211, and the second support 125 is distributed along the first direction and arranged on the first support 124; the driving mechanism 122 is in sliding connection with the second support 125, and the driving mechanism 122 drives the cleaning mechanism 121 to reciprocate along the second support 125.

[0058] In the embodiment, the purification assembly 11 comprises a high-voltage electrostatic filter element and a filter screen, and the filter screen is arranged between the high-voltage electrostatic filter element and the air inlet 211.

[0059] In the embodiment, the detection module comprises a differential pressure sensor and a short circuit detector.

[0060] The working principle of the utility model is as follows: the purification assembly 11 continuously runs when the self-cleaning air conditioning ventilating unit 2 is in use; when the control module 24 receives the signal of the differential pressure sensor reaching the set value or reaching the set period of the shutdown of the self-cleaning purification module 1, the self-cleaning program is started, at this time, the air supply fan 222 is stopped, the purification assembly 11 is powered off, the cleaning assembly 12 is powered on and starts to supply water, and the water supply mechanism 123 supplies water; after the automatic cleaning is completed, the cleaning assembly 12 is powered off and the water supply mechanism 123 stops, at this time, the drain electromagnetic valve detects, if there is water in the sewage water pan, the drain electromagnetic valve continues to drain; the air supply fan 222 is started to accelerate the blowing and drying of the purification assembly 11. Then the short circuit detector tests the short circuit of the purification assembly 11, if the water accumulation is not dry and the conductive short circuit state continues, the air supply fan 222 is continuously driven until there is no short circuit state. Finally, the standby state is entered, and the self-cleaning process is completed.

[0061] The detailed control steps are as follows:

[0062] S1. Start the self-cleaning condition judgment: the control module 24 obtains the detection data of the differential pressure sensors arranged before and after the high-voltage electrostatic filter element in real time, and analyzes and judges the detection data. The system presets the maximum pressure difference value as 100Pa, and when the control module 24 finds that the pressure difference value exceeds the preset value, it is judged that the filter element is dirty and needs to be self-cleaned. The control module 24 can also manually set the self-cleaning start-stop time Tw, and if the time exceeds Tw, it is judged that the filter element is dirty and needs to be self-cleaned.

[0063] At this time, the self-cleaning purification system starts the cleaning preparation work.

[0064] S2. Self-cleaning preparation work: related components are stopped or started, such as stopping the operation of the air supply fan 222, powering off the purification assembly 11, opening the water supply electromagnetic valve, etc.

[0065] S3. Self-cleaning process: After the above preparation is completed, enter the self-cleaning stage. Start the booster pump 1231, the driving mechanism 122 drives the water spraying vertical rod 1211 to move, moves along the second support 125 to spray and wash, and completes the cleaning of the purification assembly 11.

[0066] S4. Self-cleaning completion: After cleaning, the self-cleaning purification system is reset and checked, such as the cleaning assembly 12 is powered off, the booster pump 1231 is stopped, and the water supply electromagnetic valve is closed. At the same time, the drain electromagnetic valve is detected, and when the sewage is completely drained, the drying step is entered.

[0067] S5. Drying process: the self-cleaning air conditioning and ventilation unit 2 starts the air supply fan 222, and the cold air is accelerated to dry the unit. The whole process is timed to ensure that the unit is completely dry and there is no hidden danger of electricity.

[0068] S6. Purification assembly 11 power-on detection: the short-circuit detector detects whether the related power modules of the self-cleaning air conditioning and ventilation unit 2, such as the purification assembly 11, have a short-circuit state of accumulated water. If so, restart the drying step.

[0069] S7. Purification assembly 11 start running: after the pre-power-on detection step is passed, the self-cleaning air conditioning and ventilation unit 2 stops the air supply fan 222, and the purification assembly 11 starts running.

[0070] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent transformation or direct or indirect application in related technical fields based on the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. An operation control system of a self-cleaning air conditioning supply fan unit, characterized by: Including control module (24), detection module and self-cleaning purification module (1), the control module (24) is electrically connected with the detection module and the self-cleaning purification module (1), The self-cleaning purification module (1) is arranged in the flow cavity (23) of the air conditioning ventilation unit, is used to discharge the air that is adsorbed and purified after entering the flow cavity (23) through the air inlet (211), and is characterized by comprising: The purification assembly (11) is distributed along the first direction and is sealingly connected with the wall surface of the flow cavity (23), and the purification assembly (11) has a filter surface; The cleaning assembly (12) is distributed along the second direction and is arranged correspondingly with the filter surface; The cleaning assembly (12) includes a cleaning mechanism (121) and a driving mechanism (122), the cleaning mechanism (121) is drivingly connected with the driving mechanism (122), and the driving mechanism (122) can drive the cleaning mechanism (121) to reciprocate along the first direction.

2. The operation control system according to claim 1, characterized by: The cleaning mechanism (121) includes a water spraying vertical rod (1211), and at least two water spraying openings (1212) are formed in the water spraying vertical rod (1211), and the water spraying openings (1212) are directed to the purification assembly (11).

3. The operation control system according to claim 2, characterized by: The cleaning assembly (12) further includes a water supply mechanism (123), and the water supply mechanism (123) includes a booster pump (1231) and a water supply hose (1232), the booster pump (1231) pressurizes external water flow and then delivers the water flow to the water spraying vertical rod (1211) through the water supply hose (1232).

4. The operation control system according to claim 1, characterized by: The cleaning assembly (12) further includes a first support (124) and a second support (125), the first support (124) is distributed along the second direction and is arranged on the side of the purification assembly (11) away from the air inlet (211), and the second support (125) is distributed along the first direction and is arranged on the first support (124); the driving mechanism (122) is slidingly connected with the second support (125), and the driving mechanism (122) drives the cleaning mechanism (121) to reciprocate along the second support (125).

5. The operation control system according to claim 1, characterized by: The purification assembly (11) includes a high-voltage electrostatic filter element and a filter screen, and the filter screen is arranged between the high-voltage electrostatic filter element and the air inlet (211).

6. The operation control system according to claim 1, characterized by: The detection module includes a differential pressure sensor, which is used to detect the pressure difference of the air before and after the purification assembly (11).

7. The operation control system according to claim 1, characterized by: Further comprising a sewage discharge module, the sewage discharge module is electrically connected with the control module (24), and the sewage discharge module is used to discharge sewage at the bottom of the purification assembly (11).

8. A self-cleaning air conditioning supply fan unit, characterized by, An operation control system as claimed in claim 1 is adopted. 9.The self-cleaning air conditioning supply fan unit of claim 8, wherein: A sewage discharge port is formed in the bottom of the side wall of the flow cavity (23).

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