A constant pressure air supply device for an air compressor

Abstract

This utility model relates to the field of air compressor technology, and in particular to a constant pressure air supply device for an air compressor. It includes a control cabinet, inside which a constant pressure mechanism is installed. A touch control screen is mounted on the front of the control cabinet. The constant pressure mechanism includes a frequency converter fixedly connected inside the control cabinet. A circuit breaker is fixedly connected inside the control cabinet near the frequency converter. A PLC controller is located inside the control cabinet to the right of the frequency converter. A terminal block is fixedly connected inside the control cabinet below the frequency converter. A connecting wire is fixedly connected to the outer wall of the control cabinet to the right of the frequency converter. A pressure sensor is fixedly connected to the outer wall of the connecting wire. By designing a constant pressure air supply device for an air compressor, and utilizing the constant pressure mechanism within the device to control the air compressor to provide constant pressure air supply, the problem of high power consumption and inability to provide constant pressure air supply in existing air compressors due to frequent loading and unloading is solved.

Description

Technical Field

[0001] This utility model relates to the field of air compressor technology, specifically to a constant pressure air supply device for an air compressor. Background Technology

[0002] The existing air compressors still have shortcomings, specifically: the frequent loading and unloading of existing air compressors results in high power consumption, and they cannot provide constant pressure air supply.

[0003] Therefore, a constant pressure air supply device for an air compressor is needed to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a constant pressure air supply device for an air compressor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A constant pressure air supply device for an air compressor includes a control cabinet, wherein a constant pressure mechanism is installed inside the control cabinet, and a touch control screen is installed on the front of the control cabinet.

[0007] The constant pressure mechanism includes a frequency converter fixedly connected inside the control cabinet. A circuit breaker is fixedly connected inside the control cabinet near the frequency converter. A PLC controller is installed inside the control cabinet to the right of the frequency converter. A terminal block is fixedly connected inside the control cabinet below the frequency converter. A connecting wire is fixedly connected to the outer wall of the control cabinet to the right of the frequency converter. A pressure sensor is fixedly connected to the outer wall of the connecting wire. A fixing sleeve is fixedly connected to the outer wall of the pressure sensor. A locking block is fixedly connected to the outer wall of the control cabinet at a corresponding position of the fixing sleeve. A power supply box is installed inside the control cabinet to the right of the circuit breaker.

[0008] As a preferred embodiment of this utility model, the control cabinet is made of aluminum alloy, and the outer wall of the control cabinet is coated with electromagnetic shielding coating.

[0009] As a preferred embodiment of this utility model, multiple sets of wiring terminals and pressure sensors are provided, and the connection methods of the frequency converter, circuit breaker, PLC controller, wiring terminals, connecting wires, power supply box and touch control screen are all electrical connections.

[0010] As a preferred embodiment of this utility model, the locking block extends through and into the fixing sleeve, which is made of aluminum alloy.

[0011] As a preferred embodiment of this utility model, the locking block has an L-shaped structure design, and the connection between the locking block and the fixed sleeve is a sliding connection.

[0012] As a preferred embodiment of this utility model, the fixing sleeve is made of ABS plastic, and the shape of the fixing sleeve is adapted to the shape of the pressure sensor.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, a constant pressure air supply device for an air compressor is designed. The constant pressure mechanism in the device is used to control the air compressor to supply air at a constant pressure. The control cable of the air compressor is pulled out and connected to the terminal block. The air compressor's air inlet valve is fully opened. The pressure sensor is removed and installed inside the air compressor. The air compressor is started by touching the control panel. The pressure sensor detects the pressure signal inside the air compressor and inputs the pressure signal into the PLC controller. The PLC controller automatically adjusts the frequency of the frequency converter according to the input pressure signal. The frequency converter controls the speed of the motor inside the air compressor according to the adjusted frequency, thereby realizing constant pressure air supply. This solves the problem of high power consumption and inability to provide constant pressure air supply in existing air compressors due to frequent loading and unloading. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0018] In the diagram: 1. Control cabinet; 2. Constant pressure mechanism; 3. Touch control screen; 201. Frequency converter; 202. Circuit breaker; 203. PLC controller; 204. Terminal block; 205. Connecting wire; 206. Pressure sensor; 207. Fixing sleeve; 208. Locking block; 209. Power supply box. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] For examples, please refer to Figure 1-3 This utility model provides a technical solution:

[0024] A constant pressure air supply device for an air compressor includes a control cabinet 1, a constant pressure mechanism 2 is installed inside the control cabinet 1, and a touch control screen 3 is installed on the front of the control cabinet 1.

[0025] The control cabinet 1 is made of aluminum alloy, and the outer wall of the control cabinet 1 is coated with electromagnetic shielding coating.

[0026] In this embodiment, reference Figure 2 and Figure 3 The constant pressure mechanism 2 includes a frequency converter 201 fixedly connected inside the control cabinet 1. A circuit breaker 202 is fixedly connected inside the control cabinet 1 near the frequency converter 201. A PLC controller 203 is installed inside the control cabinet 1 to the right of the frequency converter 201. A terminal block 204 is fixedly connected inside the control cabinet 1 below the frequency converter 201. A connecting wire 205 is fixedly connected to the outer wall of the control cabinet 1 to the right of the frequency converter 201. A pressure sensor 206 is fixedly connected to the outer wall of the connecting wire 205. A fixing sleeve 207 is fixedly connected to the outer wall of the pressure sensor 206. A locking block 208 is fixedly connected to the outer wall of the control cabinet 1 at the corresponding position of the fixing sleeve 207. A power supply box 209 is installed inside the control cabinet 1 to the right of the circuit breaker 202.

[0027] Multiple sets of terminal blocks 204 and pressure sensors 206 are provided. The inverter 201, circuit breaker 202, PLC controller 203, terminal blocks 204, connecting wires 205, power supply box 209, and touch control screen 3 are all electrically connected. A locking block 208 extends through and into the fixing sleeve 207, which is made of aluminum alloy. The locking block 208 has an L-shaped design, and both the locking block 208 and the fixing sleeve 207 are slidably connected. The fixing sleeve 207 is made of ABS plastic. The shape of the fixing sleeve 207 is similar to that of the pressure sensor. The shape of 206 is compatible. Pull out the control cable of the air compressor and connect it to the terminal 204. Open the air intake valve of the air compressor. Remove the pressure sensor 206 and install it inside the air compressor. Start the air compressor by touching the control panel 3. The pressure sensor 206 will detect the pressure signal inside the air compressor and input the pressure signal into the PLC controller 203. The PLC controller 203 will automatically adjust the frequency of the frequency converter 201 according to the input pressure signal. The frequency converter 201 will control the motor speed inside the air compressor according to the adjusted frequency, thereby achieving constant pressure air supply.

[0028] The working process of this utility model is as follows: When the constant pressure air supply device for the air compressor designed in this scheme is running, the control cable of the air compressor is pulled out and connected to the terminal 204. The air intake valve of the air compressor is fully opened. The pressure sensor 206 is removed and installed inside the air compressor. The air compressor is started by touching the control screen 3. The pressure sensor 206 will detect the pressure signal inside the air compressor and input the pressure signal into the PLC controller 203. The PLC controller 203 automatically adjusts the frequency of the frequency converter 201 according to the input pressure signal. The frequency converter 201 controls the speed of the motor inside the air compressor according to the adjusted frequency, thereby realizing constant pressure air supply.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A constant pressure air supply device for an air compressor, comprising a control cabinet (1), characterized in that: The control cabinet (1) is equipped with a constant pressure mechanism (2) inside, and a touch control screen (3) is installed on the front of the control cabinet (1). The constant pressure mechanism (2) includes a frequency converter (201) fixedly connected inside the control cabinet (1). A circuit breaker (202) is fixedly connected inside the control cabinet (1) near the frequency converter (201). A PLC controller (203) is located inside the control cabinet (1) to the right of the frequency converter (201). A terminal block (204) is fixedly connected inside the control cabinet (1) below the frequency converter (201). A connecting wire (205) is fixedly connected to the outer wall of the inverter (201) on the right side. A pressure sensor (206) is fixedly connected to the outer wall of the connecting wire (205). A fixing sleeve (207) is fixedly connected to the outer wall of the pressure sensor (206). A locking block (208) is fixedly connected to the outer wall of the control cabinet (1) at the corresponding position of the fixing sleeve (207). A power supply box (209) is installed inside the control cabinet (1) on the right side of the circuit breaker (202).

2. The constant pressure air supply device for an air compressor according to claim 1, characterized in that: The control cabinet (1) is made of aluminum alloy, and the outer wall of the control cabinet (1) is coated with electromagnetic shielding coating.

3. The constant pressure air supply device for an air compressor according to claim 1, characterized in that: The wiring terminal (204) and pressure sensor (206) are provided in multiple sets. The frequency converter (201), circuit breaker (202), PLC controller (203), wiring terminal (204), connecting wire (205), power supply box (209) and touch control screen (3) are all connected electrically.

4. The constant pressure air supply device for an air compressor according to claim 1, characterized in that: The locking block (208) extends through and into the fixing sleeve (207), which is made of aluminum alloy.

5. The constant pressure air supply device for an air compressor according to claim 1, characterized in that: The card block (208) has an L-shaped structure design, and the connection between the card block (208) and the fixed sleeve (207) is a sliding connection.

6. The constant pressure air supply device for an air compressor according to claim 1, characterized in that: The fixing sleeve (207) is made of ABS plastic, and the shape of the fixing sleeve (207) is adapted to the shape of the pressure sensor (206).

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