VOC waste gas treatment and purification system for environmental protection equipment

By using servo motor-driven cam vibration cleaning technology and multi-layer purification filter structure in the VOC exhaust gas treatment system, the problem of filter net blockage is solved, and the purification effect and practicality of the equipment are improved.

CN119656742APending Publication Date: 2025-03-21JIANGSU YUANDONG ENVIRONMENTAL PROTECTION ENG
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Patent Information

Application Number
CN202411979817.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

In the existing VOC exhaust gas treatment technology, the filter screen is prone to clogging after long use, affecting the pretreatment effect.

Method used

A VOC exhaust gas treatment and purification system for environmentally friendly equipment was designed. The cam was driven by a servo motor to realize vibration cleaning of the filter plate, and the filter plate was easily disassembled and replaced by sliding connection, and multi-layer purification was carried out in combination with the textile layer, desiccant clamp and activated carbon plate.

Benefits of technology

It effectively avoids clogging of the filter plate, improves the practicality of the equipment and the effect of exhaust gas pretreatment, enhances the air purification capacity, and ensures better air quality.

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Abstract

The invention discloses a VOC waste gas treatment and purification system for environmental protection equipment, and relates to the technical field of waste gas treatment.The VOC waste gas treatment and purification system comprises a shell, a gas inlet pipe is arranged on one side of the shell, the gas inlet pipe is inserted into the shell and fixedly connected with the shell, and a filtering groove is formed in the position, located on one side of the gas inlet pipe, in the shell; a liquid storage tank is formed in the position, located on the side, away from the air inlet pipe, of the interior of the shell, and a filter plate is arranged in an inner cavity of the filter tank. The device has the beneficial effects that two cams are driven by a servo motor to rotate, so that vibration of the filter plate is achieved, the filter plate can be vibrated and cleaned after equipment is used up every time, and the device is convenient to use. And meanwhile, the filter plate is slidably connected between the first U-shaped fixing block and the second U-shaped fixing block, so that the filter plate is conveniently detached and replaced, dust in the filter tank is further conveniently treated, and the practicability of the equipment is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, and in particular to a VOC waste gas treatment and purification system for environmental protection equipment. Background Art

[0002] VOC is the abbreviation of Volatile Organic Compounds. VOC organic waste gas refers to waste gas containing these volatile organic compounds. Volatile organic compounds are a class of organic compounds that can evaporate into gas at room temperature. Common ones include benzene, toluene, ethylbenzene, xylene, etc. They are widely present in waste gas in industries such as petroleum, chemical, printing, paint, coating, solvent, etc.

[0003] VOC organic waste gas treatment technologies mainly include adsorption method, thermal destruction method, biological treatment method, pressure swing adsorption separation and purification technology, oxidation method, liquid absorption method, condensation recovery method, continuous high temperature and catalytic coal combustion method, adsorption method, ozone decomposition method and electrochemical oxidation method.

[0004] The current VOC waste gas treatment usually involves pre-filtering out impurities and dust in the waste gas, and then performing treatments such as heating. However, after the filter has worked for a long time during the pre-treatment, dust and impurities will clog the filter, affecting the pre-treatment effect. For this reason, we propose a VOC waste gas treatment and purification system for environmental protection equipment. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a VOC waste gas treatment and purification system for environmental protection equipment, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A VOC waste gas treatment and purification system for environmental protection equipment, comprising a shell, an air inlet pipe is provided on one side of the shell, the air inlet pipe is inserted into the interior of the shell and fixedly connected thereto, a filter tank is provided inside the shell and on one side of the air inlet pipe, a liquid storage tank is provided inside the shell and on the side of the filter tank away from the air inlet pipe, a filter plate is provided in the inner cavity of the filter tank, a first U-shaped fixed block is rotatably connected to the interior of the shell through a rotating shaft, a second U-shaped fixed block is provided on the side of the filter plate away from the first U-shaped fixed block, the filter plate is inserted into the interior of the first U-shaped fixed block and the second U-shaped fixed block and slidably connected thereto, a rotating rod is rotatably connected to the interior of the shell, two cams are fixedly installed on the outer side of the rotating rod, and both of the two cams are rotatably connected to the shell and the second U-shaped fixed block, a servo motor is fixedly installed inside the shell, the output end of the servo motor is fixedly connected to the rotating rod, and an absorbent box is fixedly installed on the top of the shell.

[0007] Preferably, the top of the shell is rotatably connected to a cover plate via a rotating shaft, the top of the shell and the top of the filter tank are rotatably connected to a rotating plate via a rotating shaft, two limit blocks are provided inside the shell and at the bottom of the cover plate, the two limit blocks are fixedly connected to the shell, a woven fabric layer, a desiccant splint and an activated carbon plate are provided on the side where the two limit blocks are close to each other, the woven fabric layer, the desiccant splint and the activated carbon plate are inserted into the interior of the two limit blocks and slidably connected thereto, and a plurality of filter elements are fixedly installed on the side where the two limit blocks are close to each other.

[0008] Preferably, a plurality of through holes are provided inside the shell and on a side of the liquid storage tank close to the filter element, an air supply pipe is provided on a side of the shell away from the air inlet pipe, the air supply pipe is inserted into the interior of the shell and fixedly connected thereto, an air pump is fixedly installed inside the shell, and an output end of the air pump is fixedly connected to the air supply pipe, and the woven fabric layer, desiccant splint and activated carbon plate between the two limit blocks can be easily disassembled and replaced by rotating the cover plate.

[0009] Preferably, two fixed tubes are fixedly installed inside the shell and above the liquid storage tank, and a plurality of conduits are provided at the bottom of the two fixed tubes, and the plurality of conduits are inserted into the interior of the fixed tubes and fixedly connected thereto, and the plurality of conduits are inserted into the interior of the liquid storage tank and fixedly connected thereto, and a spray nozzle is fixedly installed at the bottom of the plurality of conduits, and a medicine inlet pipe is provided at the top of the absorbent box, and the medicine inlet pipe is inserted into the interior of the absorbent box and fixedly connected thereto, and a cooling plate and a connecting pipe are provided on one side of the absorbent box, and the connecting pipe is inserted into the interior of the absorbent box and fixedly connected thereto, and the connecting pipe is inserted into the interior of the two fixed tubes and fixedly connected thereto, and a protective plate is fixedly installed on one side of the filter tank and inside the liquid storage tank, and the filtered gas enters the interior of the liquid storage tank, and the medicine inside the absorbent box is cooled by the cooling plate, and further, the cooling medicine is sprayed by the spray nozzle through the cooperation of the connecting pipe, the fixed pipe and the spray nozzle, so that part of the oil molecules in the gas entering the interior of the liquid storage tank are atomized.

[0010] Preferably, a medicine level sensor is embedded on the side of the shell close to the liquid storage tank, a transparent window is provided on the shell, a medicine outlet tube is provided on one side of the liquid storage tank, and a solenoid valve is provided on the medicine outlet tube, so that the medicine level sensor and the transparent window provided on the shell can be used to observe the medicine level inside the liquid storage tank.

[0011] Preferably, two compression springs are fixedly installed on the side of the second U-shaped fixing block away from the air inlet pipe, and one end of the two compression springs away from the second U-shaped fixing block is fixedly connected to the shell, and a second flange is fixedly installed on the side of the air inlet pipe away from the shell, and a first flange is fixedly installed on the side of the air supply pipe away from the shell. After the second U-shaped fixing block contacts and rotates with the cam through the arranged compression spring, the second U-shaped fixing block is reset by the action of the compression spring, thereby having the effect of vibrating the dust on the filter plate, and the first flange and the second flange cooperate to connect the external pipeline on one side of the air inlet pipe and the air supply pipe.

[0012] Preferably, self-locking wheels are fixedly installed at the four corners of the bottom of the shell, and a controller is embedded on one side of the shell. The controller is electrically connected to the servo motor, refrigeration plate, medicine level sensor, vacuum pump and solenoid valve. The self-locking wheels facilitate the movement of the device, and the operation of the equipment on the device is controlled by the controller.

[0013] The present invention provides a VOC waste gas treatment and purification system for environmental protection equipment, which has the following beneficial effects:

[0014] 1. The VOC waste gas treatment and purification system for environmental protection equipment drives two cams to rotate through a servo motor to achieve vibration of the filter plate. The filter plate can be vibrated and cleaned after each use of the equipment to avoid clogging of the filter plate. At the same time, the filter plate is slidably connected between the first U-shaped fixing block and the second U-shaped fixing block, so that the filter plate can be easily disassembled and replaced, and the dust inside the filter tank can be further processed, thereby increasing the practicality of the equipment.

[0015] 2. The VOC waste gas treatment and purification system for environmental protection equipment can easily disassemble and replace the woven fabric layer, desiccant splint and activated carbon plate between the two limit blocks by rotating the cover plate, making the device more convenient to use, further improving the pretreatment effect of the waste gas, and absorbing the pharmaceutical components carried in the air through the woven fabric layer and the desiccant splint, and improving the purification effect of the device through the activated carbon plate, so that the exhaust air quality is better, further meeting the use needs of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 is a side sectional view of the present invention;

[0018] Figure 3 A top sectional view of the present invention;

[0019] Figure 4 For the present invention Figure 3 A in the enlarged view;

[0020] Figure 5 It is a schematic diagram of the local structure of the present invention.

[0021] In the figure: 1. shell; 2. air inlet pipe; 3. liquid storage tank; 4. filter tank; 5. filter plate; 6. first U-shaped fixing block; 7. second U-shaped fixing block; 8. rotating rod; 9. cam; 10. servo motor; 11. compression spring; 12. absorbent box; 13. refrigeration plate; 14. connecting pipe; 15. fixing pipe; 16. conduit; 17. spray nozzle; 18. protective plate; 19. medicine level sensor; 20. transparent window; 21. limit block; 22. filter element; 23. woven fabric layer; 24. desiccant splint; 25. activated carbon plate; 26. air supply pipe; 27. first flange; 28. cover plate; 29. ​​controller; 30. second flange; 31. rotating plate; 32. medicine inlet pipe; 33. self-locking wheel; 34. vacuum pump; 35. through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figures 1 to 5 The present invention provides a technical solution: a VOC waste gas treatment and purification system for environmental protection equipment, comprising a shell 1, an air inlet pipe 2 is arranged on one side of the shell 1, the air inlet pipe 2 is inserted into the shell 1 and fixedly connected thereto, a filter tank 4 is provided inside the shell 1 and located on one side of the air inlet pipe 2, a liquid storage tank 3 is provided inside the shell 1 and located on the side of the filter tank 4 away from the air inlet pipe 2, a filter plate 5 is provided in the inner cavity of the filter tank 4, a first U-shaped fixing block 6 is rotatably connected to the inside of the shell 1 through a rotating shaft, a second U-shaped fixing block 7 is arranged on the side of the filter plate 5 away from the first U-shaped fixing block 6, the filter plate 5 is inserted into the first U-shaped fixing block 6 and the second U-shaped fixing block 7 and slidably connected thereto, a rotating rod 8 is rotatably connected to the inside of the shell 1, two cams 9 are fixedly installed on the outer side of the rotating rod 8, and the two cams 9 are both rotatably connected to the shell 1 and the second U-shaped fixing block 7, a servo motor 10 is fixedly installed inside the shell 1, and the output end of the servo motor 10 is fixedly connected to the rotating rod 8, and an absorbent box 12 is fixedly installed on the top of the shell 1.

[0024] The top of the shell 1 is rotatably connected to a cover plate 28 via a rotating shaft, the top of the shell 1 and the top of the filter tank 4 are rotatably connected to a rotating plate 31 via a rotating shaft, two limit blocks 21 are arranged inside the shell 1 and at the bottom of the cover plate 28, the two limit blocks 21 are fixedly connected to the shell 1, and a woven fabric layer 23, a desiccant splint 24 and an activated carbon plate 25 are arranged on the side close to each other of the two limit blocks 21, the woven fabric layer 23, the desiccant splint 24 and the activated carbon plate 25 are inserted into the inside of the two limit blocks 21 and slidably connected thereto, and a plurality of fixedly installed on the side close to each other of the two limit blocks 21 A filter element 22, a plurality of through holes 35 are provided inside the shell 1 and on the side of the liquid storage tank 3 close to the filter element 22, an air supply pipe 26 is provided on the side of the shell 1 away from the air inlet pipe 2, the air supply pipe 26 is inserted into the inside of the shell 1 and fixedly connected thereto, an air pump 34 is fixedly installed inside the shell 1, and the output end of the air pump 34 is fixedly connected to the air supply pipe 26, and by rotating the cover plate 28, it is convenient to disassemble and replace the woven fabric layer 23, the desiccant splint 24 and the activated carbon plate 25 between the two limit blocks 21, so that the device is more convenient to use and the pretreatment effect of the exhaust gas is further improved.

[0025] Two fixed pipes 15 are fixedly installed inside the shell 1 and above the liquid storage tank 3. A plurality of conduits 16 are arranged at the bottom of the two fixed pipes 15. The plurality of conduits 16 are inserted into the interior of the fixed pipes 15 and are fixedly connected thereto. The plurality of conduits 16 are inserted into the interior of the liquid storage tank 3 and are fixedly connected thereto. A spray nozzle 17 is fixedly installed at the bottom of the plurality of conduits 16. A drug inlet pipe 32 is arranged at the top of the absorbent box 12. The drug inlet pipe 32 is inserted into the interior of the absorbent box 12 and is fixedly connected thereto. A cooling sheet 13 and a connecting pipe 14 are arranged on one side of the absorbent box 12. The connecting pipe 14 is inserted into the absorbent box 12 and fixedly connected thereto. The connecting pipe 14 is inserted into the two fixed pipes 15 and fixedly connected thereto. A protective plate 18 is fixedly installed on one side of the filter tank 4 and located inside the liquid storage tank 3. The filtered gas enters the liquid storage tank 3, and the agent inside the absorbent box 12 is cooled by the refrigeration sheet 13. The refrigerated agent is further sprayed through the spray nozzle 17 through the cooperation of the connecting pipe 14, the fixed pipe 15 and the spray nozzle 17, thereby atomizing some oil molecules in the gas entering the liquid storage tank 3.

[0026] A medicine level sensor 19 is embedded on one side of the shell 1 close to the liquid storage tank 3, a transparent window 20 is provided on the shell 1, a medicine outlet pipe is provided on one side of the liquid storage tank 3, and an electromagnetic valve is provided on the medicine outlet pipe. The medicine level sensor 19 and the transparent window 20 provided on the shell 1 facilitate observation of the medicine level inside the liquid storage tank 3, and further, the medicine inside the liquid storage tank 3 is transported through the medicine outlet pipe provided on one side of the liquid storage tank 3.

[0027] Two compression springs 11 are fixedly installed on the side of the second U-shaped fixing block 7 away from the intake pipe 2, and one end of the two compression springs 11 away from the second U-shaped fixing block 7 is fixedly connected to the shell 1. A second flange 30 is fixedly installed on the side of the intake pipe 2 away from the shell 1, and a first flange 27 is fixedly installed on the side of the air supply pipe 26 away from the shell 1. After the second U-shaped fixing block 7 is brought into contact with the cam 9 and rotated by the arranged compression springs 11, the second U-shaped fixing block 7 is reset by the action of the compression springs 11, thereby achieving the effect of vibrating the dust on the filter plate 5. By cooperating with the first flange 27 and the second flange 30, external pipes are connected to one side of the intake pipe 2 and the air supply pipe 26, so as to facilitate the transportation of exhaust gas.

[0028] Self-locking wheels 33 are fixedly installed at the four corners of the bottom of the shell 1, and a controller 29 is embedded on one side of the shell 1. The controller 29 is electrically connected to the servo motor 10, the refrigeration plate 13, the medicine level sensor 19, the vacuum pump 34 and the solenoid valve. The self-locking wheels 33 are used to facilitate the movement of the device, and the operation of the equipment on the device is controlled by the controller 29.

[0029] To sum up, the VOC waste gas treatment and purification system for environmental protection equipment, when in use, cooperates with the first flange 27 and the second flange 30 to connect an external pipeline on one side of the air inlet pipe 2 and the air delivery pipe 26, so as to treat the waste gas, and facilitates the gas transportation through the operation of the vacuum pump 34, and controls the servo motor 10 to drive the two cams 9 on the outer side of the rotating rod 8 to rotate, and further drives the filter plate 5 between the first U-shaped fixing block 6 and the second U-shaped fixing block 7 to rotate, thereby realizing the vibration of the filter plate 5, and the filter plate 5 can be vibrated and cleaned after each use of the equipment to avoid clogging of the filter plate 5, and at the same time, the filter plate 5 is slidably connected between the first U-shaped fixing block 6 and the second U-shaped fixing block 7, and the buckle that cooperates with the top of the shell 1 and the cover plate rotating plate 31 is opened and the cover plate rotating plate 31 is rotated, so as to facilitate the removal and replacement of the filter plate 5.

[0030] The filtered gas enters the liquid storage tank 3, and the medicine in the absorbent box 12 is cooled by the cooling sheet 13. The cooling medicine is sprayed by the spray nozzle 17 through the connection pipe 14, the fixed pipe 15 and the spray nozzle 17, so that the gas in the gas entering the liquid storage tank 3 is contacted and reacted, and the filter element 22 is contacted through the through hole 35. The reactants in the air are filtered by the filter element 22, and the medicine carried in the air is further absorbed by the woven layer 23 and the desiccant splint 24. At the same time, the activated carbon plate 25 improves the The purification effect of the device makes the exhaust air quality better, further meeting the use needs of the staff, and by rotating the cover plate 28, it is convenient to disassemble and replace the woven layer 23, the desiccant splint 24 and the activated carbon plate 25 between the two limit blocks 21, making the device more convenient to use and further improving the pretreatment effect of the exhaust gas. The medicine level sensor 19 and the transparent window 20 arranged on the shell 1 facilitate the observation of the medicine level inside the liquid storage tank 3, and further through the medicine outlet pipe arranged on one side of the liquid storage tank 3, the medicine inside the liquid storage tank 3 is transported.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A VOC waste gas treatment and purification system for environmental protection equipment, comprising a housing (1), characterized in that: An air intake pipe (2) is arranged on one side of the shell (1), the air intake pipe (2) is inserted into the shell (1) and fixedly connected thereto, a filter tank (4) is arranged inside the shell (1) and on a side of the air intake pipe (2), a liquid storage tank (3) is arranged inside the shell (1) and on a side of the filter tank (4) away from the air intake pipe (2), a filter plate (5) is arranged in the inner cavity of the filter tank (4), a first U-shaped fixing block (6) is rotatably connected to the inside of the shell (1) via a rotating shaft, and a second U-shaped fixing block (6) is arranged on a side of the filter plate (5) away from the first U-shaped fixing block (6). The filter plate (5) is inserted into the first U-shaped fixing block (6) and the second U-shaped fixing block (7) and is slidably connected thereto; a rotating rod (8) is rotatably connected to the inside of the shell (1); two cams (9) are fixedly installed on the outside of the rotating rod (8); both cams (9) are rotatably connected to the shell (1) and the second U-shaped fixing block (7); a servo motor (10) is fixedly installed inside the shell (1); the output end of the servo motor (10) is fixedly connected to the rotating rod (8); and an absorbent box (12) is fixedly installed on the top of the shell (1).

2. A VOC waste gas treatment and purification system for environmental protection equipment according to claim 1, characterized in that: The top of the shell (1) is rotatably connected to a cover plate (28) via a rotating shaft, the top of the shell (1) and located at the top of the filter tank (4) is rotatably connected to a rotating plate (31) via a rotating shaft, two limit blocks (21) are arranged inside the shell (1) and located at the bottom of the cover plate (28), the two limit blocks (21) are fixedly connected to the shell (1), a woven fabric layer (23), a desiccant splint (24) and an activated carbon plate (25) are arranged on the side where the two limit blocks (21) are close to each other, the woven fabric layer (23), the desiccant splint (24) and the activated carbon plate (25) are inserted into the inside of the two limit blocks (21) and are slidably connected thereto, and a plurality of filter elements (22) are fixedly installed on the side where the two limit blocks (21) are close to each other.

3. The VOC waste gas treatment and purification system for environmental protection equipment according to claim 1 is characterized by: A plurality of through holes (35) are provided inside the shell (1) and on a side of the liquid storage tank (3) close to the filter element (22); an air supply pipe (26) is provided on a side of the shell (1) away from the air inlet pipe (2); the air supply pipe (26) is inserted into the inside of the shell (1) and fixedly connected thereto; an air pump (34) is fixedly installed inside the shell (1); an output end of the air pump (34) is fixedly connected to the air supply pipe (26).

4. The VOC waste gas treatment and purification system for environmental protection equipment according to claim 1 is characterized by: Two fixed pipes (15) are fixedly installed inside the shell (1) and above the liquid storage tank (3); a plurality of conduits (16) are provided at the bottom of the two fixed pipes (15); the plurality of conduits (16) are inserted into the interior of the fixed pipes (15) and are fixedly connected thereto; the plurality of conduits (16) are inserted into the interior of the liquid storage tank (3) and are fixedly connected thereto; and spray nozzles (17) are fixedly installed at the bottom of the plurality of conduits (16).

5. The VOC waste gas treatment and purification system for environmental protection equipment according to claim 1 is characterized by: The top of the absorbent box (12) is provided with a drug inlet pipe (32), which is inserted into the interior of the absorbent box (12) and fixedly connected thereto; one side of the absorbent box (12) is provided with a cooling plate (13) and a connecting pipe (14), which is inserted into the interior of the absorbent box (12) and fixedly connected thereto; the connecting pipe (14) is inserted into the interior of two fixed pipes (15) and fixedly connected thereto; and a protective plate (18) is fixedly installed on one side of the filter tank (4) and located inside the liquid storage tank (3).

6. The VOC waste gas treatment and purification system for environmental protection equipment according to claim 1 is characterized by: A medicine level sensor (19) is embedded on one side of the shell (1) close to the liquid storage tank (3), a transparent window (20) is provided on the shell (1), a medicine outlet pipe is provided on one side of the liquid storage tank (3), and a solenoid valve is provided on the medicine outlet pipe.

7. A VOC waste gas treatment and purification system for environmental protection equipment according to claim 2, characterized in that: Two compression springs (11) are fixedly mounted on the side of the second U-shaped fixing block (7) away from the air intake pipe (2); one end of the two compression springs (11) away from the second U-shaped fixing block (7) is fixedly connected to the shell (1); a second flange (30) is fixedly mounted on the side of the air intake pipe (2) away from the shell (1); and a first flange (27) is fixedly mounted on the side of the air delivery pipe (26) away from the shell (1).

8. The VOC waste gas treatment and purification system for environmental protection equipment according to claim 1 is characterized by: Self-locking wheels (33) are fixedly mounted at the four corners of the bottom of the housing (1), and a controller (29) is embedded on one side of the housing (1). The controller (29) is electrically connected to the servo motor (10), the cooling plate (13), the medicine level sensor (19), the air pump (34) and the solenoid valve.