CN220470210U - Energy-saving screw air compressor - Google Patents

Energy-saving screw air compressor Download PDF

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Publication number
CN220470210U
CN220470210U CN202321328146.XU CN202321328146U CN220470210U CN 220470210 U CN220470210 U CN 220470210U CN 202321328146 U CN202321328146 U CN 202321328146U CN 220470210 U CN220470210 U CN 220470210U
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frequency converter
air compressor
switch
filter screen
energy
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CN202321328146.XU
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董文元
董泽君
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Shawan Tianshan Cement Co ltd
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Shawan Tianshan Cement Co ltd
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Abstract

The utility model belongs to the technical field of air compressors, in particular to an energy-saving screw air compressor, which comprises a screw air compressor box, wherein a fixed frequency converter assembly is arranged in the screw air compressor box, an automatic heat dissipation assembly is arranged on the side of the fixed frequency converter assembly, a detachable filter screen assembly is arranged on the side of the screw air compressor box, and a cabinet door switch assembly is arranged at the front part of the screw air compressor box; the fixed frequency converter assembly comprises a device frequency converter, a frequency converter positioning pile, a frequency converter fixing plate and a fixing screw, wherein the frequency converter positioning pile is tightly attached to the side of the device frequency converter, the frequency converter fixing plate is movably connected to the front part of the frequency converter positioning pile, and the fixing screw is arranged in the frequency converter fixing plate; the utility model is convenient for prolonging the service life of the equipment and reducing the energy waste.

Description

Energy-saving screw air compressor
Technical Field
The utility model relates to the technical field of air compressors, in particular to an energy-saving screw air compressor.
Background
The control process of the screw air compressor air supply system is generally as follows: when a start button is pressed, the control system is connected with a starter coil and opens an oil-break valve, the air compressor is started in an unloading mode, at the moment, the air inlet valve is in a closed position, the air release valve is opened to discharge the pressure in the oil-gas separator, after the pressure is reduced for 2 seconds, the air compressor starts to load and operate, the system pressure starts to rise, and if the system pressure rises to the upper limit value of the pressure switch, namely the starting pressure, the controller enables the air inlet valve to be closed, the oil-gas separator is deflated, and the compressor runs in an idle mode. When the system pressure is reduced to the lower limit value of the pressure switch, namely the rebound pressure, the controller enables the air inlet valve to be opened, the air release valve of the oil-gas separator is closed, and the compressor runs under full load.
In Chinese patent 202222625357.1, the utility model discloses a high-efficiency energy-saving screw air compressor in the technical field of air compressors, which comprises an air compressor box, wherein an air inlet cylinder which is communicated is arranged at the top of the air compressor box, the top of an inner cavity of the air inlet cylinder is connected with a mounting frame, a dust screen is arranged in the mounting frame, the mounting frame is connected with the air inlet cylinder through a dismounting mechanism, the rear end face of the air compressor box is provided with a heat dissipation box, the inner side face of the heat dissipation box is connected with a heat dissipation opening of the air compressor box, the inner cavity of the heat dissipation box is provided with a box body, a plurality of groups of heat conduction blocks are arranged in the box body, the heat conduction blocks are attached to the air compressor box, a heat dissipation copper pipe is arranged at the outer side of the heat conduction blocks, and an exhaust fan is arranged at the bottom end of the heat dissipation copper pipe. Meanwhile, the heat dissipation efficiency of the heat dissipation box is high, and damage caused by heat accumulation of the air compression box is avoided.
In the existing screw air compressor, the air consumption is unbalanced in a production system of a production line, when the compressed air yield cannot meet the working condition requirement, the air compressor is loaded and operated, and when the compressed air is excessive, the air compressor is unloaded and operated, the motor loss of the air compressor is large, and the energy is greatly wasted; the screw head is worn greatly, the maintenance cost is increased, and the continuous heat dissipation of the internal heat dissipation device also increases the energy consumption.
Therefore, an energy-saving screw air compressor is proposed to solve the above problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the method for adding the frequency converter component is adopted, the problem of energy waste is solved, and the method for adding the automatic heat dissipation component is adopted, so that the problem of resource waste caused by continuous work of the heat dissipation device is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an energy-saving screw air compressor, which comprises a screw air compressor box, wherein a fixed frequency converter assembly is arranged in the screw air compressor box, an automatic heat dissipation assembly is arranged on the side of the fixed frequency converter assembly, a detachable filter screen assembly is arranged on the side of the screw air compressor box, and a cabinet door switch assembly is arranged at the front part of the screw air compressor box; the fixed frequency converter assembly comprises a device frequency converter, a frequency converter positioning pile, a frequency converter fixing plate and fixing screws, wherein the frequency converter positioning pile is tightly attached to the side of the device frequency converter, the frequency converter fixing plate is movably connected to the front portion of the frequency converter positioning pile, and the fixing screws are arranged in the frequency converter fixing plate.
Preferably, the frequency converter fixing plate and the device frequency converter form a rotating structure through fixing screws, and the device frequency converter and the frequency converter positioning pile form a clamping structure.
Preferably, the automatic radiating component comprises a telescopic shell, a temperature sensor, a telescopic inner rod, a rotary conducting rod, a fan power supply, a device fan and a device power supply, wherein the side electric connection of the telescopic shell is provided with the temperature sensor, the telescopic inner rod is connected with the telescopic inner rod in a sliding manner, the rotary conducting rod is connected with the side of the telescopic inner rod in a movable manner, the fan power supply is connected with the top of the rotary conducting rod in a movable manner, the device fan is connected with the inner electric connection of the fan power supply, and the device power supply is arranged on the other side of the rotary conducting rod.
Preferably, the telescopic inner rod and the rotary conductive rod form a sliding structure through the telescopic outer shell, and the rotary conductive rod and the device power supply form a rotating structure through the fan power supply.
Preferably, the detachable filter screen assembly comprises a device filter screen, a heat radiation screen, a filter screen chute, a rotary switch and a switch groove, wherein the heat radiation screen is arranged in the device filter screen, the filter screen chute is arranged at the bottom of the device filter screen, the rotary switch is movably connected to the side of the device filter screen, and the switch groove is tightly attached to the outer wall of the rotary switch.
Preferably, the rotary switch forms a rotary structure with the switch groove through the device filter screen, and the device filter screen forms a detachable structure with the screw air compressor box through the filter screen chute.
Preferably, the cabinet door switch assembly comprises a cabinet door fixing pile, a cabinet body fixing pile, a clamp fixing pile, a switch sliding groove and a switch clamp, wherein the cabinet body fixing pile is arranged at the bottom of the cabinet door fixing pile, the clamp fixing pile is arranged at the top of the cabinet door fixing pile, the switch sliding groove is arranged in the clamp fixing pile, and the switch clamp is movably connected with the inner wall of the switch sliding groove.
Preferably, the switch clamp forms a lifting structure with the cabinet body fixing pile through the cabinet door fixing pile, and forms a clamping structure with the switch sliding groove.
The utility model has the advantages that:
1. the starting current is small, and the current can be smoothly increased when the motor is started and loaded by the impact-free frequency converter of the power grid, so that no impact is generated; the motor can be stopped flexibly, so that the damage caused by the counter current is avoided, and the service life of the equipment is prolonged; output pressure is stable: after the variable frequency control system is adopted, the pressure of the gas in the gas supply pipeline can be monitored in real time, so that the pressure of the gas in the gas supply pipeline is kept constant, and the production efficiency and the product quality are improved;
2. the maintenance amount of the equipment is small: the variable-frequency starting current of the air compressor is small and less than twice rated current, the loading and unloading valve does not need to repeatedly act, the variable-frequency air compressor automatically adjusts the rotating speed of the motor according to the air consumption, the operating frequency is low, the rotating speed is low, the bearing abrasion is small, the service life of equipment is prolonged, and the maintenance workload is reduced; the noise is low: the variable frequency provides energy according to the air consumption requirement, so that the energy consumption is not too high, the running frequency of the motor is low, the mechanical rotation noise is reduced, the frequency conversion is used for adjusting the rotation speed of the motor, repeated loading and unloading are not needed, the noise of frequent loading and unloading is not generated, the continuous pressurization is realized, and the noise generated by unstable air pressure is also eliminated;
3. the mechanical abrasion of the air compressor is reduced, and the service life of the equipment is prolonged; after the variable frequency speed regulation is adopted, when the air compressor runs at a low rotation speed, the lubrication oil consumption is reduced, namely the operation of an internal heat dissipation assembly is controlled through a temperature sensor, the manual operation is reduced, and the resource waste is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the whole front view of the present utility model;
FIG. 2 is a schematic perspective view of the whole interior of the present utility model;
FIG. 3 is an enlarged schematic view of the fixed frequency converter assembly of the present utility model;
FIG. 4 is an enlarged schematic view of an automatic heat dissipating assembly according to the present utility model;
FIG. 5 is a schematic view of an exploded view of a removable filter screen assembly of the present utility model;
fig. 6 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. screw type air compressor box body; 2. fixing the frequency converter assembly; 201. a device frequency converter; 202. positioning piles of the frequency converter; 203. a frequency converter fixing plate; 204. a set screw; 3. an automatic heat dissipation assembly; 301. a telescoping housing; 302. a temperature sensor; 303. a telescopic inner rod; 304. rotating the conductive rod; 305. a fan power supply; 306. a device fan; 307. a device power supply; 4. a removable filter screen assembly; 401. a filter screen is arranged; 402. a heat dissipation net; 403. a filter screen chute; 404. a rotary switch; 405. a switch groove; 5. a cabinet door switch assembly; 501. a cabinet door fixing pile; 502. a cabinet body fixing pile; 503. clip positioning piles; 504. a switch chute; 505. and a switch clip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 3, an energy-saving screw air compressor comprises a screw air compressor box 1, wherein a fixed frequency converter assembly 2 is installed in the screw air compressor box 1, an automatic heat dissipation assembly 3 is arranged on the side of the fixed frequency converter assembly 2, a detachable filter screen assembly 4 is installed on the side of the screw air compressor box 1, and a cabinet door switch assembly 5 is arranged at the front part of the screw air compressor box 1; the fixed frequency converter assembly 2 comprises a device frequency converter 201, a frequency converter positioning pile 202, a frequency converter fixing plate 203 and a fixing screw 204, wherein the frequency converter positioning pile 202 is tightly attached to the side of the device frequency converter 201, the frequency converter fixing plate 203 is movably connected to the front part of the frequency converter positioning pile 202, and the fixing screw 204 is arranged in the frequency converter fixing plate 203.
Referring to fig. 3, an energy-saving screw air compressor is shown, a frequency converter fixing plate 203 and a device frequency converter 201 form a rotating structure through a fixing screw 204, and the device frequency converter 201 and a frequency converter positioning pile 202 form a clamping structure; the device frequency converter 201 is added, so that mechanical abrasion is reduced, the service life of equipment is prolonged, the output pressure is ensured to be stable, meanwhile, the equipment maintenance amount is reduced, the noise is reduced, and the lubrication oil consumption amount is reduced.
Referring to fig. 3, an energy-saving screw air compressor is disclosed, the power consumption of production is reduced, a frequency converter is used for controlling the air compressor, the whole system comprises a newly added frequency converter, an original PLC, a pressure transmitter, a power frequency contactor, a motor, an air compressor and the like, a pressure closed-loop control system is formed, the motor rotation speed is automatically adjusted, the air inflow of the air compressor is further adjusted, the air pressure in an air storage tank is stabilized in a set range, constant pressure control is performed, the feedback pressure is compared with the set pressure, the output of the frequency converter is controlled in real time through the PLC, the motor rotation speed is adjusted, when the air pressure in the air storage tank is small, the pressure of an air outlet of the air compressor is reduced, the resistance of a pressure sensor is reduced, a 24V direct current power supply converts the resistance of the pressure sensor into a current signal, the current signal input to the frequency converter is increased through the PLC, and the air compressor is loaded and operates at full speed; when the air pressure in the air storage tank reaches a set value, the pressure of the air outlet of the air compressor is increased, the resistance value of the pressure sensor is increased, the 24V direct current power supply converts the resistance value of the pressure sensor into a current signal, the current signal input to the frequency converter is reduced by the PLC, the air compressor is decelerated and unloaded, so that the constancy of the system pressure is realized, the motor and the air compressor are always operated in the most economical operation state, and when the air pressure is low, the air compressor is operated at 50Hz at full speed and the highest operation current is 180A; when the air compressor is off-load and unloaded, the air compressor runs at 20Hz and runs at 20A, so that the aim of energy conservation is fulfilled.
Referring to fig. 4, an energy-saving screw air compressor, an automatic heat dissipation assembly 3 comprises a telescopic housing 301, a temperature sensor 302, a telescopic inner rod 303, a rotary conducting rod 304, a fan power supply 305, a device fan 306 and a device power supply 307, wherein the temperature sensor 302 is electrically connected to the side of the telescopic housing 301, the telescopic inner rod 303 is slidingly connected to the inside of the telescopic housing 301, the rotary conducting rod 304 is movably connected to the side of the telescopic inner rod 303, the fan power supply 305 is movably connected to the top of the rotary conducting rod 304, the device fan 306 is electrically connected to the inside of the fan power supply 305, and the device power supply 307 is arranged on the other side of the rotary conducting rod 304.
Referring to fig. 4, an energy-saving screw air compressor, a sliding structure is formed by a telescopic inner rod 303 and a rotary conducting rod 304 through a telescopic outer shell 301, and a rotating structure is formed by the rotary conducting rod 304 and a device power supply 307 through a fan power supply 305, so that the operation of an internal heat dissipation component can be controlled through a temperature sensor 302, manual operation is reduced, and resource waste is reduced.
Example two
Referring to fig. 5, a detachable filter screen assembly 4 of an energy-saving screw air compressor includes a device filter screen 401, a heat dissipation screen 402, a filter screen chute 403, a rotary switch 404, and a switch groove 405, wherein the heat dissipation screen 402 is disposed in the device filter screen 401, the filter screen chute 403 is disposed at the bottom of the device filter screen 401, the rotary switch 404 is movably connected to the side of the device filter screen 401, and the switch groove 405 is tightly attached to the outer wall of the rotary switch 404.
Referring to fig. 5, a rotary switch 404 forms a rotary structure with a switch groove 405 through a device filter screen 401, and the device filter screen 401 forms a detachable structure with a screw air compressor box 1 through a filter screen chute 403, which is beneficial to the disassembly and replacement of the device filter screen 401, and when the device filter screen 401 has more dust, the heat dissipation effect of the device can be directly affected, and the heat dissipation effect is reduced to cause the rise of energy consumption.
Referring to fig. 6, an energy-saving screw air compressor, a cabinet door switch assembly 5 comprises a cabinet door fixing pile 501, a cabinet body fixing pile 502, a clip fixing pile 503, a switch sliding groove 504 and a switch clip 505, wherein the cabinet body fixing pile 502 is arranged at the bottom of the cabinet door fixing pile 501, the clip fixing pile 503 is arranged at the top of the cabinet door fixing pile 501, the switch sliding groove 504 is arranged in the clip fixing pile 503, and the switch clip 505 is movably connected with the inner wall of the switch sliding groove 504.
Referring to fig. 6, in an energy-saving screw air compressor, a switch clip 505 forms a lifting structure with a cabinet body fixing pile 502 through a cabinet door fixing pile 501, and a switch clip 505 forms a clamping structure with a switch chute 504, so that the opening and closing of a cabinet door are simplified, and the operation is convenient.
Working principle: firstly, the device frequency converter 201 is arranged in the screw type air compressor box body 1 through a clamping structure between the device frequency converter 201 and the frequency converter positioning pile 202, the device frequency converter 201 is clamped by using the frequency converter fixing plate 203 through a rotating structure between the frequency converter fixing plate 203 and the frequency converter positioning pile 202, and then a fixing screw 204 is screwed down to fix the device frequency converter 201; simultaneously, the cabinet door switch assembly 5 is closed, and the cabinet door fixing pile 501 is clamped through a lifting structure between the switch clamp 505 and the cabinet body fixing pile 502;
then, the device starts to operate, the temperature sensor 302 is a sensor capable of sensing temperature and converting the temperature into a usable output signal, when the temperature sensor 302 recognizes that the internal temperature exceeds the standard, the telescopic inner rod 303 is promoted to be stretched, the rotary conducting rod 304 is pushed to be in contact with the device power supply 307, at the moment, the device fan 306 is electrified to start radiating heat, and then when the dust on the device filter screen 401 is heavy, the device filter screen 401 is taken out and cleaned through a rotating structure between the rotary switch 404 and the switch groove 405 and a detachable structure between the device filter screen 401 and the screw type air compressor box 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (8)

1. An energy-conserving screw air compressor machine, its characterized in that: the novel air compressor comprises a screw type air compressor box body (1), wherein a fixed frequency converter assembly (2) is arranged in the screw type air compressor box body (1), an automatic heat dissipation assembly (3) is arranged on the side of the fixed frequency converter assembly (2), a detachable filter screen assembly (4) is arranged on the side of the screw type air compressor box body (1), and a cabinet door switch assembly (5) is arranged at the front part of the screw type air compressor box body (1);
the fixed frequency converter assembly (2) comprises a device frequency converter (201), a frequency converter positioning pile (202), a frequency converter fixing plate (203) and fixing screws (204), wherein the frequency converter positioning pile (202) is tightly attached to the side of the device frequency converter (201), the frequency converter fixing plate (203) is movably connected to the front portion of the frequency converter positioning pile (202), and the fixing screws (204) are arranged in the frequency converter fixing plate (203).
2. An energy-saving screw air compressor according to claim 1, wherein: the frequency converter fixing plate (203) and the device frequency converter (201) form a rotating structure through fixing screws (204), and the device frequency converter (201) and the frequency converter positioning pile (202) form a clamping structure.
3. An energy-saving screw air compressor according to claim 1, wherein: automatic radiating component (3), including flexible shell (301), temperature sensor (302), flexible interior pole (303), rotatory conducting rod (304), fan power (305), device fan (306), device power (307), the avris electric connection of flexible shell (301) has temperature sensor (302), and the inside sliding connection of flexible shell (301) has flexible interior pole (303) to the avris swing joint of flexible interior pole (303) has rotatory conducting rod (304), the top swing joint of rotatory conducting rod (304) has fan power (305), and the inside electric connection of fan power (305) has device fan (306) to the opposite side of rotatory conducting rod (304) is provided with device power (307).
4. An energy-saving screw air compressor according to claim 3, wherein: the telescopic inner rod (303) and the rotary conducting rod (304) form a sliding structure through the telescopic outer shell (301), and the rotary conducting rod (304) and the device power supply (307) form a rotating structure through the fan power supply (305).
5. An energy-saving screw air compressor according to claim 1, wherein: can dismantle filter screen subassembly (4), including device filter screen (401), heat dissipation net (402), filter screen spout (403), rotary switch (404), switch recess (405), the inside of device filter screen (401) is provided with heat dissipation net (402), and the bottom of device filter screen (401) is provided with filter screen spout (403), the avris swing joint of device filter screen (401) has rotary switch (404), and the outer wall of rotary switch (404) is closely laminated has switch recess (405).
6. The energy-saving screw air compressor of claim 5, wherein: the rotary switch (404) forms a rotary structure through the device filter screen (401) and the switch groove (405), and the device filter screen (401) forms a detachable structure with the screw air compressor box (1) through the filter screen chute (403).
7. An energy-saving screw air compressor according to claim 1, wherein: cabinet door switch subassembly (5), including cabinet door spud pile (501), cabinet body spud pile (502), checkpost spud pile (503), switch spout (504), switch checkpost (505), the bottom of cabinet door spud pile (501) is provided with cabinet body spud pile (502), and the top of cabinet door spud pile (501) is installed checkpost spud pile (503), the inside of checkpost spud pile (503) is provided with switch spout (504), and the inner wall swing joint of switch spout (504) has switch checkpost (505).
8. The energy-saving screw air compressor of claim 7, wherein: the switch clamp (505) and the cabinet body fixing pile (502) form a lifting structure through the cabinet door fixing pile (501), and the switch clamp (505) and the switch sliding groove (504) form a clamping structure.
CN202321328146.XU 2023-05-29 2023-05-29 Energy-saving screw air compressor Active CN220470210U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321328146.XU CN220470210U (en) 2023-05-29 2023-05-29 Energy-saving screw air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321328146.XU CN220470210U (en) 2023-05-29 2023-05-29 Energy-saving screw air compressor

Publications (1)

Publication Number Publication Date
CN220470210U true CN220470210U (en) 2024-02-09

Family

ID=89777313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321328146.XU Active CN220470210U (en) 2023-05-29 2023-05-29 Energy-saving screw air compressor

Country Status (1)

Country Link
CN (1) CN220470210U (en)

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