A new type of oil pump motor control power circuit switch

Abstract

The utility model discloses a novel oil pump motor control power supply loop switch relates to power switch technical field, including air switch body, the front of air switch body is provided with control rod, the upper portion of control rod is provided with pressure touch sensor, pressure touch sensor fixed mounting is in the outer wall of air switch body, the middle part outer wall fixed connection of control rod has the cover board, the utility model discloses a cover board's closing pressure touch signal is obtained through pressure touch sensor, handles the pressure touch signal of power -off signal and pressure touch sensor with microprocessor, and the quick linkage control electric telescopic link is pressed down to the traction plate and control pressure plate, thereby the control rod at pressure touch sensor is pressed and moves and carries out forced separation trip, thereby the subsequent contactor is disconnected quick linkage spare oil pump starts, thereby effectively guarantees the stable operation of coal mill, improves coal mill operation safety.

Description

Technical Field

[0001] This utility model relates to the field of power switch technology, and in particular to a novel power circuit switch for controlling an oil pump motor. Background Technology

[0002] Coal mill oil stations typically have two sets of oil pumps, with one set as a backup for emergency use. In industrial production, precise control of the oil pump motor is crucial. To ensure stable crude oil delivery, it is necessary to precisely control the speed and start / stop of the oil pump motor, requiring a reliable control power supply that can flexibly adjust the motor's operating status according to the needs of the production process.

[0003] During long-term operation, the existing oil pump power switch is prone to mechanical failure, causing it to fail to trip. This results in the oil pump stopping due to power loss, but the switch operating lever of the oil pump motor remains in the engaged state and cannot be disconnected, preventing the standby oil pump from starting in time. Starting the oil pump through low oil pressure interlocking increases the delay, greatly increasing the risk of the coal mill tripping and posing a safety hazard. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing oil pump power switches are prone to mechanical failures during long-term operation, causing them to fail to trip. This results in the oil pump stopping due to power loss, but the oil pump motor switch operating lever remains in the engaged state and cannot be disconnected, preventing the backup oil pump from starting in time. Starting the oil pump through low oil pressure interlocking increases the delay and greatly increases the risk of coal mill tripping, posing a safety hazard. Therefore, a new type of oil pump motor control power circuit switch is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a novel oil pump motor control power circuit switch, comprising an air switch body, a control rod mounted on the front of the air switch body, a pressure sensor disposed above the control rod, the pressure sensor being fixedly mounted on the outer wall of the air switch body, a sleeve plate being fixedly connected to the middle outer wall of the control rod, a microprocessor mounted on one side of the air switch body, an electric telescopic rod disposed on one side of the microprocessor, the electric telescopic rod being fixedly mounted on the outer wall of the air switch body, a traction plate being fixedly connected to the bottom end of the telescopic rod, a control pressure plate being fixedly connected to the outer wall of the traction plate, one side of the control pressure plate being movably connected to the outer wall of the air switch body, and the electric telescopic rod being electrically connected to the pressure sensor and the microprocessor.

[0006] Preferably, the back of the air switch body is provided with a mounting groove, and the inner wall of the mounting groove is movably connected to a limiting base plate.

[0007] Preferably, the outer wall of the air switch body is provided with a movable groove, and the inner wall of the movable groove is movably connected to a fixed connecting rod, and both ends of the fixed connecting rod are fixedly connected to a lever.

[0008] Preferably, the upper outer wall of the push block is provided with a slot.

[0009] Preferably, a retaining plate is provided above the movable slot, and the retaining plate is fixedly connected to the outer wall of the air switch body.

[0010] Preferably, the inner wall of the mounting groove is provided with a lifting groove, and the inner wall of the lifting groove is movably connected with a fixing block.

[0011] Preferably, one end of the fixing block is fixedly connected to the outer wall of the limiting base plate, and the other end of the fixing block is fixedly connected to the outer wall of the fixing connecting rod.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the closing pressure signal of the sleeve plate is obtained by the pressure sensor. The microprocessor processes the power-off signal and the pressure signal of the pressure sensor, and quickly links and controls the electric telescopic rod to press down the traction plate and the control plate, thereby controlling the control rod at the pressure sensor to press and force separation trip, which facilitates the subsequent contactor disconnection and quick linkage to start the backup oil pump, thereby effectively ensuring the stable operation of the coal mill and improving the operating safety of the coal mill.

[0013] 2. In this utility model, the installation is connected to the switch mounting bracket through the mounting groove. The fixed connecting rod is lifted by the lever to control the limiting base plate to be clamped from the bottom, so as to realize the quick installation of this utility model. The locking groove of the lever and the locking plate are engaged and fixed to limit the limiting base plate, making the installation of this utility model more stable. Attached Figure Description

[0014] Figure 1 A three-dimensional structural diagram of a novel oil pump motor control power circuit switch is provided for this utility model. Figure 2 This utility model proposes a novel oil pump motor control power circuit switch. Figure 1 Enlarged view of the structure at point A in the middle; Figure 3 This utility model provides a rear view structural diagram of a novel oil pump motor control power circuit switch. Figure 4 This utility model proposes a novel oil pump motor control power circuit switch. Figure 3 Enlarged view of the structure at point B in the middle.

[0015] Legend: 1. Air switch body; 11. Mounting slot; 12. Card plate; 13. Movable slot; 14. Toggle block; 15. Limiting base plate; 16. Card slot; 17. Fixed connecting rod; 18. Fixed block; 19. Lifting slot; 2. Control rod; 21. Sleeve plate; 3. Pressure sensor; 4. Microprocessor; 5. Electric telescopic rod; 51. Traction plate; 52. Control pressure plate. Detailed Implementation

[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0018] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a novel oil pump motor control power circuit switch, including an air switch body 1. A control rod 2 is mounted on the front of the air switch body 1, and a pressure sensor 3 is disposed above the control rod 2. The pressure sensor 3 is fixedly mounted on the outer wall of the air switch body 1. A sleeve plate 21 is fixedly connected to the middle outer wall of the control rod 2. A microprocessor 4 is mounted on one side of the air switch body 1, and an electric telescopic rod 5 is disposed on one side of the microprocessor 4. The electric telescopic rod 5 is fixedly mounted on the outer wall of the air switch body 1. A traction plate 51 is fixedly connected to the bottom end of the telescopic rod of the electric telescopic rod 5. A control pressure plate 52 is fixedly connected to the outer wall of the traction plate 51. One side of the control pressure plate 52 is movably connected to the outer wall of the air switch body 1. The electric telescopic rod 5 is electrically connected to the pressure sensor 3 and the microprocessor 4.

[0019] The specific settings and functions of this embodiment are described below. The closing pressure signal of the sleeve plate 21 is obtained through the pressure sensor 3. The microprocessor 4 processes the power-off signal and the pressure signal of the pressure sensor 3, and quickly links and controls the electric telescopic rod 5 to press down the traction plate 51 and the control pressure plate 52. This controls the control rod 2 at the pressure sensor 3 to press and force separation and trip, which facilitates the subsequent contactor disconnection and rapid linkage to start the backup oil pump. This effectively ensures the stable operation of the coal mill and improves the operating safety of the coal mill.

[0020] Example 2: Figure 1 - Figure 4As shown, an installation groove 11 is provided on the back of the air switch body 1. A limiting base plate 15 is movably connected to the inner wall of the installation groove 11. An movable groove 13 is provided through the outer wall of the air switch body 1. A fixed connecting rod 17 is movably connected to the inner wall of the movable groove 13. A toggle block 14 is fixedly connected to both ends of the fixed connecting rod 17. A slot 16 is provided on the upper outer wall of the toggle block 14. A locking plate 12 is provided above the movable groove 13. The locking plate 12 is fixedly connected to the outer wall of the air switch body 1. A lifting groove 19 is provided through the inner wall of the installation groove 11. A fixing block 18 is movably connected to the inner wall of the lifting groove 19. One end of the fixing block 18 is fixedly connected to the outer wall of the limiting base plate 15, and the other end of the fixing block 18 is fixedly connected to the outer wall of the fixing connecting rod 17.

[0021] The overall effect of this embodiment is that the installation is connected to the switch mounting bracket through the mounting groove 11, and the fixed connecting rod 17 is lifted by the lever 14 to control the limiting base plate 15 to be clamped from the bottom, thus realizing the quick installation of this utility model. The locking groove 16 of the lever 14 engages with the locking plate 12 to limit the limiting base plate 15, making the installation of this utility model more stable. The movement of the fixing block 18 in the lifting groove 19 makes it easy for the fixed connecting rod 17 to synchronously control the lifting of the limiting base plate 15 through the fixing block 18.

[0022] The usage method and working principle of this device are as follows: During use, the user connects and installs the device to the switch mounting bracket through the mounting slot 11. The user pulls the fixed connecting rod 17 by using the lever 14 to control the limiting base plate 15 to be clamped from the bottom. The lever 14's slot 16 engages with the clamping plate 12 to limit the limiting base plate 15, making the installation of this utility model more stable. When the utility model loses power, the pressure sensor 3 obtains the closing pressure signal of the sleeve plate 21. The microprocessor 4 processes the power failure signal and the pressure signal of the pressure sensor 3, and quickly links and controls the electric telescopic rod 5 to press down the traction plate 51 and the control pressure plate 52, thereby controlling the control rod 2 at the pressure sensor 3 to press and forcibly disconnect and trip the circuit breaker.

[0023] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A novel oil pump motor control power circuit switch, comprising an air switch body (1), characterized in that: A control rod (2) is installed on the front of the air switch body (1). A pressure sensor (3) is provided above the control rod (2). The pressure sensor (3) is fixedly installed on the outer wall of the air switch body (1). A sleeve plate (21) is fixedly connected to the middle outer wall of the control rod (2). A microprocessor (4) is installed on one side of the air switch body (1). An electric telescopic rod (5) is provided on one side of the microprocessor (4). The electric telescopic rod (5) is fixedly installed on the outer wall of the air switch body (1). A traction plate (51) is fixedly connected to the bottom of the telescopic rod of the electric telescopic rod (5). A control pressure plate (52) is fixedly connected to the outer wall of the traction plate (51). One side of the control pressure plate (52) is movably connected to the outer wall of the air switch body (1). The electric telescopic rod (5) is electrically connected to the pressure sensor (3) and the microprocessor (4).

2. The novel oil pump motor control power circuit switch according to claim 1, characterized in that: The back of the air switch body (1) is provided with a mounting groove (11), and the inner wall of the mounting groove (11) is movably connected to a limiting base plate (15).

3. The novel oil pump motor control power circuit switch according to claim 2, characterized in that: The outer wall of the air switch body (1) is provided with a movable groove (13), and the inner wall of the movable groove (13) is movably connected to a fixed connecting rod (17), and both ends of the fixed connecting rod (17) are fixedly connected to a toggle block (14).

4. The novel oil pump motor control power circuit switch according to claim 3, characterized in that: The upper outer wall of the push block (14) is provided with a slot (16).

5. A novel oil pump motor control power circuit switch according to claim 4, characterized in that: A retaining plate (12) is provided above the movable slot (13), and the retaining plate (12) is fixedly connected to the outer wall of the air switch body (1).

6. A novel oil pump motor control power circuit switch according to claim 2, characterized in that: The inner wall of the mounting groove (11) is provided with a lifting groove (19), and the inner wall of the lifting groove (19) is movably connected with a fixing block (18).

7. A novel oil pump motor control power circuit switch according to claim 6, characterized in that: One end of the fixing block (18) is fixedly connected to the outer wall of the limiting base plate (15), and the other end of the fixing block (18) is fixedly connected to the outer wall of the fixing rod (17).

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