Explosion-proof energy-saving motor
By setting multiple heat exchanges and circulating water pumps inside the motor case, combined with semiconductor refrigeration and fan heat sink, the problem of safety hazards caused by thermal expansion and contraction after the motor is rotated at high speed, and achieved higher explosion -proof performance and energy saving. Effect.
Patent Information
- Application Number
- CN202420241892.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The existing motors generate heat after rotating at high speed for a long time, causing heat to the shell to heat up, loose bolts, affecting the stability of the end cap, and may cause electric sparks to come into contact with flammable gases from the outside, posing safety hazards.
Designed a kind of explosion -proof energy -saving motor. By setting multiple heat exchanges and circulating water pumps inside the motor case, using water circulation flow for heat exchange, and accelerating the heat dissipation through semiconductor refrigeration and fan radiator. Water system, independently achieve heat dissipation.
Effectively reduce the problem of thermal expansion and contraction of the motor case, improve the stability of the end cover, reduce the risk of electric sparks, enhance the explosion -proof performance of the motor, and achieve higher energy -saving and environmentally friendly effects by saving electricity.
Smart Images
Figure CN222395526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to an explosion-proof and energy-saving motor. Background Art
[0002] Explosion-proof motors are a type of motors with explosion-proof properties. The measures taken include: installing the electrical equipment in a casing that has a structure that can withstand the explosion pressure of the internal explosive mixture and prevent the internal explosion from spreading to the explosive mixture around the casing (flameproof type); making it impossible for the live parts of the motor to produce sparks, arcs or dangerous temperatures that are sufficient to cause explosion hazards, or isolating the live parts that may produce these phenomena from the explosive mixture so that they cannot contact each other or reach the level of explosion hazard (increased safety type, ventilation type, etc.). In various types of explosive hazardous environments, it is very important to correctly select explosion-proof motors that match various types of equipment.
[0003] At present, the main shell and end cover of the existing motor casing are directly connected by bolts. After the motor rotates at high speed for a long time, it will generate a lot of heat, so the motor casing will heat up. Due to thermal expansion and contraction, the bolts are easy to loosen, affecting the stability of the end cover, causing the end cover to separate from the main shell, easily generating electric sparks and directly contacting with external flammable gases, posing a huge safety hazard and not conducive to people's use. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an explosion-proof and energy-saving motor, which solves the problem that the prior motor will generate a lot of heat after a long period of high-speed rotation, so the motor casing will heat up, and due to thermal expansion and contraction, the bolts are easy to loosen, affecting the stability of the end cover, causing the end cover to separate from the main shell, easily generating electric sparks and directly contacting with external flammable gases, posing a huge safety hazard and not conducive to people's use.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an explosion-proof energy-saving motor, comprising a middle shell, a rear shell fixedly mounted on the side of the middle shell, a front shell fixedly mounted on the side of the middle shell away from the rear shell, and a rotor rotatably connected to the inside of the middle shell, the inside of the rear shell is equidistantly provided with a first heat exchange groove, the inside of the middle shell is equidistantly provided with a second heat exchange groove, the inside of the front shell is equidistantly provided with a third heat exchange groove, the third heat exchange groove and the second heat exchange groove are equidistantly provided with jacks on the sides close to the rear shell, a sealing gasket is fixedly connected to the inside of the jack, a sealing ring is fixedly connected to the inside of the jack, the surfaces of the rear shell and the middle shell close to the front shell are equidistantly fixedly connected with metal inserts, and the rear shell is far away from the middle shell. A fixed block is fixedly connected to the surface of the fixing block, a water outlet pipe is fixedly connected inside the fixing block, a water inlet pipe is fixedly connected inside the fixing block, a circulating water pump is fixedly installed on the output end of the water outlet pipe, a first water pipe joint is fixedly connected to the output end of the circulating water pump, a second water pipe joint is fixedly connected to the input end of the water inlet pipe, a connecting hose is fixedly connected between the first water pipe joint and the second water pipe joint, a thermal insulation asbestos box is fixedly installed inside the fixing block, a heat conduction block is fixedly connected inside the thermal insulation asbestos box, a semiconductor refrigeration sheet is fixedly installed on the surface of the heat conduction block, a fan radiator is installed on the surface of the semiconductor refrigeration sheet, and an air outlet is provided at the output end of the thermal insulation asbestos box.
[0006] Preferably, the third heat exchange groove and the first heat exchange groove at one end away from the second heat exchange groove are both serpentine, and the interiors of the first heat exchange groove, the second heat exchange groove and the third heat exchange groove are interconnected through metal inserts.
[0007] Preferably, the outer surface of the metal insert is sealingly fitted to the inner wall of the sealing ring, and the surface of the metal insert is sealingly fitted to the surface of the sealing gasket.
[0008] Preferably, the output end of the first heat exchange tank is connected to the interior of the water outlet pipe, and the input end of the first heat exchange tank is connected to the interior of the water inlet pipe.
[0009] Preferably, the outer surface of the water inlet pipe is installed through the interior of the heat conductive block, and the outer surface of the water inlet pipe is attached to the inner wall of the heat conductive block.
[0010] Preferably, the water inlet pipe is a copper pipe, the heat-conducting block is a silica gel block, and the heating surface of the semiconductor refrigeration sheet is close to the fan radiator.
[0011] Beneficial Effects
[0012] The utility model provides an explosion-proof and energy-saving motor. Compared with the prior art, it has the following beneficial effects:
[0013] 1. The explosion-proof energy-saving motor, by setting the second heat exchange slot, the third heat exchange slot and the first heat exchange slot, etc., by starting the circulating water pump, can make water circulate inside the motor casing and exchange heat generated by the motor, and then cool the water inlet pipe through the semiconductor refrigeration sheet, cool the water circulating inside, quickly dissipate the heat of the motor, and has good explosion-proof performance.
[0014] 2. The explosion-proof energy-saving motor is provided with a first water pipe joint and a second water pipe joint. After the connecting hose is removed, the circulating water stored in the first water pipe joint and the second water pipe joint can be dissipated inside the motor casing. Therefore, it can be separated from the semiconductor refrigeration plate and the fan radiator to achieve heat dissipation independently. At the same time, the water for external circulating heat exchange can be used in daily life, industrial production, etc., which saves electric energy, strengthens energy conservation and environmental protection, and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the connection between the middle shell, the rear shell and the front shell in the utility model;
[0017] Figure 3 It is a cross-sectional view of the utility model;
[0018] Figure 4 for Figure 3 The enlarged view of point A in the middle;
[0019] Figure 5 It is a cross-sectional view of the fixing block in the utility model;
[0020] Figure 6 It is a cross-sectional view of the thermal insulation asbestos box in the utility model.
[0021] In the figure: 1. middle shell; 2. rear shell; 3. front shell; 4. rotor; 5. first heat exchange slot; 6. second heat exchange slot; 7. third heat exchange slot; 8. jack; 9. sealing gasket; 10. sealing ring; 11. metal insert; 12. fixing block; 13. water outlet pipe; 14. water inlet pipe; 15. circulating water pump; 16. first water pipe joint; 17. second water pipe joint; 18. connecting hose; 19. thermal insulation asbestos box; 20. heat conduction block; 21. semiconductor refrigeration sheet; 22. fan radiator; 23. air outlet. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-6 The utility model provides a technical solution: an explosion-proof energy-saving motor, comprising a middle shell 1, a rear shell 2 fixedly mounted on the side of the middle shell 1, a front shell 3 fixedly mounted on the side of the middle shell 1 away from the rear shell 2, and a rotor 4 rotatably connected to the inside of the middle shell 1, the inside of the rear shell 2 is equidistantly provided with first heat exchange grooves 5, the inside of the middle shell 1 is equidistantly provided with second heat exchange grooves 6, the inside of the front shell 3 is equidistantly provided with third heat exchange grooves 7, the third heat exchange groove 7 and one end of the first heat exchange groove 5 away from the second heat exchange groove 6 are both serpentine, and the third heat exchange groove 7 and The second heat exchange groove 6 is provided with jacks 8 at equal intervals on the side near the rear shell 2, and a sealing gasket 9 is fixedly connected inside the jacks 8, and a sealing ring 10 is fixedly connected inside the jacks 8. The surfaces of the rear shell 2 and the middle shell 1 near the front shell 3 are fixedly connected with metal inserts 11 at equal intervals. The interiors of the first heat exchange groove 5, the second heat exchange groove 6 and the third heat exchange groove 7 are interconnected through the metal inserts 11, and the outer surface of the metal insert 11 is sealed against the inner wall of the sealing ring 10, and the surface of the metal insert 11 is sealed against the surface of the sealing gasket 9. A fixed block 12 is fixedly connected to the surface of the rear shell 2 away from the middle shell 1, and a water outlet pipe 13 is fixedly connected inside the fixed block 12. The output end of the first heat exchange tank 5 is connected to the inside of the water outlet pipe 13, and a water inlet pipe 14 is fixedly connected to the inside of the fixed block 12. The water inlet pipe 14 is a copper pipe. The input end of the first heat exchange tank 5 is connected to the inside of the water inlet pipe 14. A circulating water pump 15 is fixedly installed at the output end of the water outlet pipe 13. The output end of the circulating water pump 15 is fixedly connected to a first water pipe joint 16, and the input end of the water inlet pipe 14 is fixedly connected to a second water pipe joint 17. A connecting hose 18 is fixedly connected between the first water pipe joint 16 and the second water pipe joint 17. By setting the first water pipe joint 16 and the second water pipe joint 17, the connecting hose 18 can be removed, and the circulating water stored in the first water pipe joint 16 and the second water pipe joint 17 is dissipated in the motor housing to achieve heat dissipation independently. At the same time, the water for external heat exchange can be used in daily life, industrial production, etc., which saves electric energy, strengthens energy conservation and environmental protection, and improves practicality.
[0024] An insulating asbestos box 19 is fixedly installed inside the fixed block 12, and a heat-conducting block 20 is fixedly connected inside the insulating asbestos box 19. The outer surface of the water inlet pipe 14 is installed through the inside of the heat-conducting block 20, and the outer surface of the water inlet pipe 14 is attached to the inner wall of the heat-conducting block 20. A semiconductor refrigeration sheet 21 is fixedly installed on the surface of the heat-conducting block 20, and a fan radiator 22 is installed on the surface of the semiconductor refrigeration sheet 21. The heat-conducting block 20 is a silica gel block, and the heating surface of the semiconductor refrigeration sheet 21 is close to the fan radiator 22. An air outlet 23 is provided at the output end of the insulating asbestos box 19. By arranging the second heat exchange groove 6, the third heat exchange groove 7 and the first heat exchange groove 5, etc., and by starting the circulating water pump 15, water can circulate inside the motor casing and exchange heat generated by the motor. Then, the water inlet pipe 14 is cooled through the semiconductor refrigeration sheet 21, and the water circulating inside is cooled, which can quickly dissipate the heat of the motor and has good explosion-proof performance.
[0025] When working, the motor will generate a lot of heat. By starting the circulating water pump 15, water can pass through the third heat exchange tank 7, the second heat exchange tank 6, the first heat exchange tank 5, the water outlet pipe 13, the connecting hose 18 and the water inlet pipe 14, and finally enter the first heat exchange tank 5 to circulate and exchange heat with the heat generated by the motor. Then, through the semiconductor refrigeration plate 21, the semiconductor refrigeration plate 21 introduces the low temperature into the water inlet pipe 14 through the heat conductive block 20 to cool the water inlet pipe 14, which can cool the water circulating inside and quickly dissipate the heat of the motor. It has good explosion-proof performance. After removing the connecting hose 18, the circulating water stored in the first water pipe joint 16 and the second water pipe joint 17 is externally connected to dissipate heat inside the motor casing. Therefore, it can be separated from the semiconductor refrigeration plate 21 and the fan radiator 22 to achieve heat dissipation independently. At the same time, the water for external heat exchange can be used in daily life, industrial production, etc., which saves electric energy, strengthens energy conservation and environmental protection, and improves practicality.
[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. An explosion-proof energy-saving motor, comprising a middle shell (1), a rear shell (2) fixedly mounted on a side of the middle shell (1), a front shell (3) fixedly mounted on a side of the middle shell (1) away from the rear shell (2), and a rotor (4) rotatably connected to the inside of the middle shell (1), characterized in that: The rear shell (2) is provided with first heat exchange grooves (5) at equal intervals inside, the middle shell (1) is provided with second heat exchange grooves (6) at equal intervals inside, the front shell (3) is provided with third heat exchange grooves (7) at equal intervals inside, the third heat exchange grooves (7) and the second heat exchange grooves (6) are provided with plug holes (8) at equal intervals on the sides close to the rear shell (2), the plug holes (8) are fixedly connected with sealing gaskets (9) inside, the plug holes (8) are fixedly connected with sealing rings (10) inside, the surfaces of the rear shell (2) and the middle shell (1) close to the front shell (3) are fixedly connected with metal plug pipes (11) at equal intervals, the surface of the rear shell (2) away from the middle shell (1) is fixedly connected with a fixing block (12), the fixing block (12) is fixedly connected with a water outlet pipe (13) inside, and the fixing block (12) is fixedly connected with a water outlet pipe (13) inside. A water inlet pipe (14) is provided, a circulating water pump (15) is fixedly installed at the output end of the water outlet pipe (13), a first water pipe joint (16) is fixedly connected to the output end of the circulating water pump (15), a second water pipe joint (17) is fixedly connected to the input end of the water inlet pipe (14), a connecting hose (18) is fixedly connected between the first water pipe joint (16) and the second water pipe joint (17), a heat-insulating asbestos box (19) is fixedly installed inside the fixed block (12), a heat-conducting block (20) is fixedly connected inside the heat-insulating asbestos box (19), a semiconductor cooling sheet (21) is fixedly installed on the surface of the heat-conducting block (20), a fan radiator (22) is installed on the surface of the semiconductor cooling sheet (21), and an air outlet hole (23) is provided at the output end of the heat-insulating asbestos box (19).
2. The explosion-proof energy-saving motor according to claim 1 is characterized in that: The third heat exchange groove (7) and the first heat exchange groove (5) at one end away from the second heat exchange groove (6) are both serpentine-shaped, and the interiors of the first heat exchange groove (5), the second heat exchange groove (6) and the third heat exchange groove (7) are interconnected via a metal insert (11).
3. The explosion-proof energy-saving motor according to claim 1 is characterized in that: The outer surface of the metal insert (11) is sealingly fitted to the inner wall of the sealing ring (10), and the surface of the metal insert (11) is sealingly fitted to the surface of the sealing pad (9).
4. The explosion-proof energy-saving motor according to claim 1 is characterized in that: The output end of the first heat exchange tank (5) is connected to the interior of the water outlet pipe (13), and the input end of the first heat exchange tank (5) is connected to the interior of the water inlet pipe (14).
5. The explosion-proof energy-saving motor according to claim 1 is characterized in that: The outer surface of the water inlet pipe (14) is installed through the interior of the heat conducting block (20), and the outer surface of the water inlet pipe (14) is attached to the inner wall of the heat conducting block (20).
6. The explosion-proof energy-saving motor according to claim 1 is characterized in that: The water inlet pipe (14) is a copper pipe, the heat-conducting block (20) is a silica gel block, and the heating surface of the semiconductor refrigeration sheet (21) is close to the fan radiator (22).