Low-dew-point air compressor

Abstract

The utility model relates to the technical field of air compressors, in particular to a low-dew-point air compressor. Comprising a base, a compressor body, a driving mechanism and an auxiliary mechanism, the auxiliary mechanism comprises an isolation hood, an electric control valve, a sliding base, a ventilation plate, a sealing plate, a fixing plate, a temperature sensor, an electric control box, an electric push rod and a fan device, the electric control valve is closed when the temperature detected at the beginning of working is low, and the electric push rod pushes the sealing plate to move downwards to seal ventilation holes of the ventilation plate; the compressor body dissipates heat through the shell of the compressor body, so that the internal temperature rises and is higher than the dew point temperature, the problem of lubricating oil emulsification is avoided, and then the compressor body can be quickly heated and is higher than the dew point temperature during early-stage work, and lubricating oil emulsification failure is avoided.

Description

Technical Field

[0001] This utility model relates to the field of air compressor technology, specifically to a low dew point air compressor. Background Technology

[0002] When air is compressed by an air compressor, it forms a high-pressure compressed gas. The increased air pressure inside the compressor leads to a corresponding increase in dew point temperature. Therefore, the air compressor needs to raise the system temperature to evaporate moisture, prevent the production of liquid water, and thus prevent the emulsification of the air compressor lubricating oil.

[0003] Existing technology CN103527490B discloses a compressor head assembly and an air compressor, which solves the problem of easy deterioration of lubricating oil in the prior art. The compressor head assembly includes a housing, comprising a first end cover, a cylinder, and a second end cover; an air filter for filtering the intake air; an intake valve for controlling the amount of air intake from the air filter, connected to the first end cover; a stator and a rotor for compressing the intake air and mixing the compressed air with lubricating oil to form an oil-air mixture, disposed within the cylinder, with the rotor eccentrically positioned within the stator; the rotor has several axially arranged grooves, each containing a sliding vane, the stator, rotor, and adjacent sliding vanes forming a compression unit; and an oil-air separator for separating the lubricating oil from the oil-air mixture, connected to the cylinder. The compressor head assembly and air compressor described in this invention can effectively compress air before discharging it to the air supply system, ensuring thorough separation of lubricating oil and air and avoiding problems such as lubricating oil emulsification.

[0004] However, the above-mentioned equipment has the following problems in actual use: the air compressor needs to heat up quickly when it starts working. The operation of the fan blades makes the air compressor heat up slowly in the early stage, which is not conducive to ensuring the optimal operating temperature of the compressor. This will cause the compressed air in the compressor to contain water vapor, which will reach the dew point due to the influence of pressure and temperature, resulting in the phenomenon of lubricating oil emulsification failure. Utility Model Content

[0005] The purpose of this invention is to provide a low dew point air compressor that allows the compressor body to heat up quickly in the early stages of operation, exceeding the dew point temperature, thus avoiding lubricant emulsification and failure.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides a low dew point air compressor, including a base, on which a compressor body is mounted, a drive mechanism is connected to one side of the compressor body, the drive mechanism is disposed on the base, and an auxiliary mechanism is also included.

[0007] The auxiliary mechanism includes an isolation cover, an electrically controlled valve, a slide block, a ventilation plate, a sealing plate, a fixing plate, a temperature sensor, an electrical control box, an electric push rod, and a fan device. The isolation cover is detachably connected to the base and is fastened to the outside of the compressor body. The electrically controlled valve is installed on the top of the isolation cover and communicates with the cavity where the isolation cover and the base mate. The slide block is installed on the front, rear, and right sides of the isolation cover. Ventilation openings are provided on the slide block, and the ventilation plate is welded to the bottom of the ventilation openings on the slide block. The sealing plate is respectively attached to the slide block and the ventilation plate. The system is dynamically connected and located within the slide block. The fixing plate is installed on the top of the isolation cover and is respectively located on the front, rear, and right sides of the isolation cover. The temperature sensor is installed on the isolation cover, and its probe extends into the internal cavity. The electrical control box is fixed on the isolation cover and is electrically connected to the compressor body, the electrical control valve, the temperature sensor, the electric push rod, the drive mechanism, and the fan device. The electric push rod is installed on the fixing plate, and its output end is connected to the sealing plate. The fan device is located on the right side of the base.

[0008] The drive mechanism includes a drive motor and a heat dissipation assembly. The drive motor is electrically connected to the electrical control box and fixed on the base. Its output shaft is connected and fixed to the shaft end of the transmission shaft of the compressor body through a coupling. The heat dissipation assembly is located at the tail of the drive motor.

[0009] The fan device includes a vertical plate and a cooling fan. The vertical plate is installed on the right side of the base. The cooling fan is installed on the vertical plate and is electrically connected to the electrical control box.

[0010] The temperature sensor may also be disposed in multiple locations within the cavity formed by the base and the isolation cover.

[0011] The low dew point air compressor further includes a protective mechanism, which includes a protective cover and a mesh plate. The protective cover is fixedly connected to the isolation cover and is located on the left side of the isolation cover; the mesh plate is installed on the protective cover.

[0012] This utility model discloses a low dew point air compressor. When the compressor body is operating, a temperature sensor detects the temperature within its working cavity. Since the temperature is low at the beginning of operation, the electrically controlled valve closes, and an electric push rod pushes a sealing plate downwards to seal the ventilation holes of the ventilation plate. The compressor body dissipates heat through its own casing, causing the internal temperature to rise above the dew point temperature, thus preventing lubricant emulsification. When the temperature rises to the operating temperature of the fan device, the electric push rod drives the sealing plate upwards, achieving internal and external communication. The electrically controlled valve opens, and the fan device blows cooling air from the right side inwards for heat dissipation, ensuring the compressor body operates within a stable temperature range. This facilitates rapid temperature rise of the compressor body in the early stages of operation, exceeding the dew point temperature and preventing lubricant emulsification failure. Attached Figure Description

[0013] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of the low dew point air compressor according to the first embodiment of this utility model.

[0015] Figure 2 This is a schematic diagram of the installation position of the cooling fan in the first embodiment of this utility model.

[0016] Figure 3 This is a schematic diagram of the overall structure of the low dew point air compressor according to the second embodiment of this utility model.

[0017] In the diagram: 101-base, 102-compressor body, 103-isolation cover, 104-electric control valve, 105-slide seat, 106-ventilation plate, 107-sealing plate, 108-fixed plate, 109-temperature sensor, 110-electric control box, 111-electric push rod, 112-drive motor, 113-heat dissipation assembly, 114-upright plate, 115-cooling fan, 201-protective cover, 202-mesh plate. Detailed Implementation

[0018] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Example 1:

[0020] like Figure 1 and Figure 2 As shown, where Figure 1 This is a schematic diagram of the overall structure of a low dew point air compressor. Figure 2This is a schematic diagram of the installation position of the cooling fan 115. This utility model provides a low dew point air compressor: including a base 101, a compressor body 102, a drive mechanism, and an auxiliary mechanism. The auxiliary mechanism includes an isolation cover 103, an electrically controlled valve 104, a slide block 105, a ventilation plate 106, a sealing plate 107, a fixing plate 108, a temperature sensor 109, an electrical control box 110, an electric push rod 111, and a fan device. The drive mechanism includes a drive motor 112 and a heat dissipation assembly 113. The fan device includes a vertical plate 114 and a cooling fan 115. This design allows the compressor body 102 to heat up quickly in the early stages of operation, exceeding the dew point temperature, thus preventing lubricating oil emulsification and failure. It is understood that this design facilitates rapid heating of the compressor body 102 in the early stages of operation.

[0021] In this embodiment, a compressor body 102 is mounted on the base 101. A drive mechanism is connected to one side of the compressor body 102. The drive mechanism is mounted on the base 101. The base 101 can be fixed by bolts. The drive mechanism is used to drive the compressor body 102 to work. The air inlet pipe and air outlet pipe of the compressor body 102 are respectively set after passing through the rear side of the isolation cover 103.

[0022] The isolation cover 103 is detachably connected to the base 101 and is fastened to the outside of the compressor body 102. The electronically controlled valve 104 is installed on the top of the isolation cover 103 and communicates with the cavity where the isolation cover 103 and the base 101 cooperate. The slide 105 is installed on the front, rear, and right sides of the isolation cover 103. The slide 105 is provided with ventilation openings. The ventilation plate 106 is welded to the bottom of the ventilation openings of the slide 105. The sealing plate 107 is slidably connected to the slide 105 and the ventilation plate 106 respectively and is located inside the slide 105. The fixing plate 108 is installed... The temperature sensor 109 is mounted on the isolation cover 103 and is respectively disposed on the front, rear and right sides of the isolation cover 103. Its probe extends into the internal cavity. The electrical control box 110 is fixed on the isolation cover 103 and is electrically connected to the compressor body 102, the electrical control valve 104, the temperature sensor 109, the electric push rod 111, the drive mechanism and the fan device respectively. The electric push rod 111 is mounted on the fixed plate 108 and its output end is connected to the sealing plate 107. The fan device is disposed on the right side of the base 101. The isolation cover 103 is fixed by bolts and has an internal receiving cavity. The isolation cover 103 has corresponding mounting holes for installation with the compressor body 102 or for installation with an external air supply pipe. The slide block 105 is fixed by bolts, with the bolts arranged from the inside to the outside. The bottom of the slide block 105 has a mounting groove. The ventilation plate 106 is welded to the bottom of the slide block 105. The sealing plate 107 is L-shaped and does not completely detach from the slide block 105 when sliding upwards. The sealing plate 107 is attached to the surface of the ventilation plate 106. The fixing plate 108 is fixed by bolts. The electric push rod 111 is mounted on the fixing plate 108, and its output end with an external thread is directly connected to the sealing plate 107. The fan device is used for heat dissipation. The electrical control box 110 contains a control PLC and corresponding electronic components.

[0023] Secondly, the drive motor 112 is electrically connected to the electrical control box 110 and fixed on the base 101, and its output shaft is connected and fixed to the shaft end of the transmission shaft of the compressor body 102 through a coupling; the heat dissipation assembly 113 is disposed at the tail of the drive motor 112. The drive motor 112 is fixed by bolts, and the heat dissipation assembly 113 includes fan blades and a ventilation shroud. The fan blades are mounted on the main shaft of the drive motor 112, and the ventilation shroud is mounted on the housing of the drive motor 112 and located outside the fan blades. When the drive motor 112 is activated, the fan blades at its tail rotate, thereby blowing air to dissipate heat from the surface of its housing.

[0024] Then, the upright plate 114 is installed on the right side of the base 101; the cooling fan 115 is installed on the upright plate 114 and electrically connected to the electrical control box 110. The upright plate 114 is fixed by positioning pins and bolts, and the cooling fan 115 is fixed by bolts. After installation, its air outlet side faces the ventilation plate 106 on the right side.

[0025] Finally, multiple temperature sensors 109 can be disposed inside the cavity formed by the base 101 and the isolation cover 103. This structure facilitates the increase of temperature monitoring points.

[0026] When using this invention to facilitate rapid temperature rise of the compressor body 102 in the early stages of operation, exceeding the dew point temperature and preventing lubricating oil emulsification failure, the compressor body 102 detects the temperature within its working cavity using the temperature sensor 109. Since the temperature is low at the start of operation, the electronically controlled valve 104 closes, and the electric push rod 111 pushes the sealing plate 107 downwards to seal the ventilation holes of the ventilation plate 106, preventing airflow. A high-temperature resistant sealing gasket is also provided at the contact point between the corresponding pipe through-hole and the isolation cover 103. At this time, the compressor body 102 rests against its own shell. The compressor body dissipates heat, causing the internal temperature to rise above the dew point temperature, thus avoiding the problem of lubricating oil emulsification. When the temperature rises to the operating temperature of the fan device, the electric push rod 111 drives the sealing plate 107 upward to achieve internal and external communication. The electronically controlled valve 104 opens, and the cooling fan 115 blows cooling air from the right side inward to dissipate heat, ensuring that the compressor body 102 operates within a stable temperature range. Hot air is discharged from the ventilation holes of the ventilation plates 106 on both sides or the electronically controlled valve 104, which facilitates the rapid temperature rise of the compressor body 102 in the early stage of operation, exceeding the dew point temperature and avoiding lubricating oil emulsification failure.

[0027] Example 2:

[0028] like Figure 3 As shown, where Figure 3 This is a schematic diagram of the overall structure of a low dew point air compressor. Based on the first embodiment, this utility model provides a low dew point air compressor, which also includes a protective mechanism, including a protective cover 201 and a mesh plate 202.

[0029] The protective cover 201 is fixedly connected to the isolation cover 103 and is located on the left side of the isolation cover 103; the mesh plate 202 is installed on the protective cover 201. The protective cover 201 is fixed by bolts, and the mesh plate 202 is fixed by bolts.

[0030] In this embodiment, by setting the protective cover 201 and the mesh plate 202, the drive motor 112 can be safely protected, improving the safety and stability of the equipment during operation.

[0031] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A low dew point air compressor, comprising a base, a compressor body mounted on the base, a drive mechanism connected to one side of the compressor body, the drive mechanism being disposed on the base, characterized in that: It also includes auxiliary mechanisms; The auxiliary mechanism includes an isolation cover, an electrically controlled valve, a slide block, a ventilation plate, a sealing plate, a fixing plate, a temperature sensor, an electrical control box, an electric push rod, and a fan device. The isolation cover is detachably connected to the base and is fastened to the outside of the compressor body. The electrically controlled valve is installed on the top of the isolation cover and communicates with the cavity where the isolation cover and the base mate. The slide block is installed on the front, rear, and right sides of the isolation cover. Ventilation openings are provided on the slide block, and the ventilation plate is welded to the bottom of the ventilation openings on the slide block. The sealing plate is respectively attached to the slide block and the ventilation plate. The system is dynamically connected and located within the slide block. The fixing plate is installed on the top of the isolation cover and is respectively located on the front, rear, and right sides of the isolation cover. The temperature sensor is installed on the isolation cover, and its probe extends into the internal cavity. The electrical control box is fixed on the isolation cover and is electrically connected to the compressor body, the electrical control valve, the temperature sensor, the electric push rod, the drive mechanism, and the fan device. The electric push rod is installed on the fixing plate, and its output end is connected to the sealing plate. The fan device is located on the right side of the base.

2. The low dew point air compressor as described in claim 1, characterized in that: The drive mechanism includes a drive motor and a heat dissipation assembly. The drive motor is electrically connected to the electrical control box and fixed on the base. Its output shaft is connected and fixed to the shaft end of the transmission shaft of the compressor body through a coupling. The heat dissipation assembly is located at the tail of the drive motor.

3. The low dew point air compressor as described in claim 1, characterized in that: The fan device includes a vertical plate and a cooling fan. The vertical plate is mounted on the right side of the base. The cooling fan is mounted on the vertical plate and is electrically connected to the electrical control box.

4. The low dew point air compressor as described in claim 1, characterized in that: Multiple temperature sensors may be disposed inside the cavity formed by the base and the isolation cover.

5. The low dew point air compressor as described in claim 1, characterized in that: The low dew point air compressor also includes a protective mechanism, which includes a protective cover and a mesh plate. The protective cover is fixedly connected to the isolation cover and is located on the left side of the isolation cover; the mesh plate is installed on the protective cover.

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