Oil pump motor with structure for eliminating induced electricity

Abstract

The utility model discloses an oil pump motor with an induced electricity eliminating structure, which relates to the technical field of fan oil stations and comprises a motor shell, an oil tank is arranged on one side of the motor shell, an oil inlet pipe is connected to one side of the oil tank in a penetrating manner, and an oil outlet pipeline is connected to the other side of the oil tank in a penetrating manner. An eliminating mechanism is arranged on one side of the oil tank, the eliminating mechanism monitors the operation condition of the motor and eliminates the influence of induced electricity on the motor, a filtering mechanism is arranged in the oil tank, and the filtering mechanism filters input oil and reduces the impurity content of the oil. The drawer switch is connected with a motor protector, corresponding protection functions are input, a fixed value is reasonably set, multiple protection on the motor is achieved, meanwhile, the motor protector outputs 4-20 mA current analog quantity to be connected into a DCS, the running condition of the motor is monitored in real time, and the drawer switch with the motor protector can achieve remote and local control.

Description

Technical Field

[0001] The utility model relates to the technical field of fan oil stations, in particular to an oil pump motor with an induction electricity elimination structure. Background Art

[0002] Most of the small-scale thin oil stations commonly used in the market are designed with dual power supply to ensure power supply reliability. The dual power supply is supplied to two motors and heaters after switching through the switching circuit. The power switching control circuit is connected through at least two levels of contacts. Some switching control circuits also add airbag time relays to ensure the input of backup power supply.

[0003] Induced electricity is the electricity carried by the outside of conductive equipment. It is often generated in Class II electrical products and their secondary electrical circuits that are not connected to the ground and lack ground protection. Induced electricity can not only cause the oil pump motor to malfunction or fail to operate, but also affect the normal operation and use of the fan oil station. Summary of the invention

[0004] The utility model aims to provide an oil pump motor with an induction electric elimination structure to solve the above-mentioned defects caused by the prior art.

[0005] An oil pump motor with an induced electricity elimination structure comprises a motor housing, an oil tank is arranged on one side of the motor housing, an oil inlet pipe is connected through one side of the oil tank, and an oil outlet pipe is connected through the other side of the oil tank, an elimination mechanism is arranged on one side of the oil tank, the elimination mechanism monitors the operation of the motor and eliminates the influence of induced electricity on the motor, and a filtering mechanism is arranged inside the oil tank, the filtering mechanism filters the input oil to reduce the impurity content of the oil.

[0006] Preferably, the elimination mechanism includes a drawer switch, a device cover and a motor protector, the drawer switch is arranged on one side of the oil tank, the top of the drawer switch is connected to the device cover, and the motor protector is arranged inside the drawer switch.

[0007] Preferably, the drawer switch is connected to the circuit input terminal of the motor housing through an internally arranged motor protector.

[0008] Preferably, the filtering mechanism includes a rotating shaft, a conveying turntable, arc-shaped blades, a pipe through hole, an oil filter element and a transverse connecting rod. The rotating shaft key is connected to the outside of the conveying turntable. A group of transverse connecting rods are distributed in a ring shape on the outside of the conveying turntable. The outside of the transverse connecting rods is penetrated and connected with arc-shaped blades. One group of the conveying turntables is penetrated by a pipe through hole. An oil filter element is arranged between the two groups of conveying turntables. The pipe through hole is connected to the bearing on the other side of the oil outlet pipeline.

[0009] Preferably, a rotor assembly is disposed inside the motor housing.

[0010] Preferably, the conveying turntable is connected to the arc-shaped blades through a transverse connecting rod arranged on the outside.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The drawer switch is connected to a motor protector, and the corresponding protection function is put into use. The set value is reasonably set to achieve multiple protections for the motor. At the same time, the motor protector outputs 4-20mA current analog quantity to access the DCS to achieve real-time monitoring of the motor operation. The drawer switch with a motor protector can achieve remote and local control, increase the multiple protection functions of the motor, and realize the requirements of remote transmission of analog quantity and other signals to the monitoring system, which generally improves the reliability of the single series auxiliary machine operation.

[0013] 2. When it is necessary to disassemble or install oil filter elements of different specifications, the transverse connecting rods connected at equal intervals on the outside of the conveying turntable are inserted into the inside of the arc-shaped blades. On the one hand, the transverse connecting rods of corresponding lengths are selected according to the width of the filter element, and the arc-shaped blades are positioned by the transverse connecting rods at the same time to avoid the arc-shaped blades from being offset and damaged during rotation. On the other hand, according to the needs of filter element replacement and disassembly, the two sets of conveying turntables are disassembled and separated to facilitate the installation and assembly of different types of filter elements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the top view structure of the motor housing in the utility model.

[0016] Figure 3 It is a schematic diagram of the front section structure of the oil tank in the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the conveying turntable itself in the utility model.

[0018] Figure 5 It is a schematic diagram of the connection structure of the conveying turntable in the utility model.

[0019] in:

[0020] 1. Motor housing; 2. Oil tank; 3. Drawer switch; 4. Oil inlet pipe; 5. Equipment cover; 6. Elimination mechanism; 7. Oil outlet pipeline; 8. Motor protector; 9. Filter mechanism; 10. Rotating shaft; 11. Rotor assembly; 12. Conveying turntable; 13. Arc blades; 14. Pipe through hole; 15. Oil filter element; 16. Transverse connecting rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 5 As shown, an oil pump motor with an induced electricity elimination structure includes a motor housing 1, an oil tank 2 is arranged on one side of the motor housing 1, an oil inlet pipe 4 is penetrated and connected to one side of the oil tank 2, and an oil outlet pipe 7 is penetrated and connected to the other side of the oil tank 2, an elimination mechanism 6 is arranged on one side of the oil tank 2, and the elimination mechanism 6 monitors the operation of the motor and eliminates the influence of induced electricity on the motor, and a filtering mechanism 9 is arranged inside the oil tank 2, and the filtering mechanism 9 filters the input oil to reduce the impurity content of the oil.

[0023] In this embodiment, the elimination mechanism 6 includes a drawer switch 3, a device cover 5 and a motor protector 8. The drawer switch 3 is arranged on one side of the oil tank 2. The top of the drawer switch 3 is connected to the device cover 5. The motor protector 8 is arranged inside the drawer switch 3. The motor protector 8 is used to control and sense the power supply of the equipment.

[0024] In this embodiment, the drawer switch 3 is connected to the circuit input end of the motor housing 1 through the motor protector 8 provided inside, and the device is powered and controlled through the drawer switch 3 .

[0025] In this embodiment, the filtering mechanism 9 includes a rotating shaft 10, a conveying turntable 12, arc-shaped blades 13, a pipe through hole 14, an oil filter element 15 and a transverse connecting rod 16. The rotating shaft 10 is key-connected to the outside of the conveying turntable 12. A group of transverse connecting rods 16 are distributed in an annular shape on the outside of the conveying turntable 12. The outer side of the transverse connecting rod 16 is connected with an arc-shaped blade 13. One group of the conveying turntables 12 is penetrated by a pipe through hole 14. An oil filter element 15 is arranged between the two groups of conveying turntables 12. The pipe through hole 14 is connected to the bearing on the other side of the oil outlet pipeline 7.

[0026] In this embodiment, a rotor assembly 11 is disposed inside the motor housing 1 , and the rotor assembly 11 drives the rotating shaft 10 to rotate, thereby transporting the oil.

[0027] In this embodiment, the conveying turntable 12 is connected to the arc-shaped blades 13 through the transverse connecting rods 16 arranged on the outside, and the arc-shaped blades 13 are used to accelerate the flow speed of the liquid and filter the oil.

[0028] This oil pump motor with an induction-eliminating structure has the following working contents in practical application:

[0029] Step 1: The operator opens the equipment cover 5 and connects the motor protector 8 to the access section of the drawer switch. The drawer switches 3 of the motor housing 1 are all equipped with motor protectors 8, and the corresponding protection functions are put into use. The set values ​​are reasonably set to achieve multiple protections for the motor housing 1. At the same time, the motor protector 8 outputs 4-20mA current analog quantity to access the DCS to achieve real-time monitoring of the operation of the motor housing 1.

[0030] Step 2: The operator can respectively thread the oil outlet pipe 7 and the oil inlet pipe 4 with the oil inlet and outlet pipes, and suck the fuel from the fuel tank through the impeller composed of the arc blades 13 and the conveying turntable 12 driven by the motor, thereby completing the conveying and filtering of the fuel;

[0031] Step 3: When a current is applied to the armature, the armature generates a magnetic field, and then the permanent magnet magnetic field interacting with it causes the rotor assembly 11 and the rotating shaft 10 to rotate, and the rotating shaft 10 drives the conveying turntable 12 and the arc-shaped blades 13 to rotate, thereby continuously mixing and conveying the introduced oil, and connecting the pipe through hole 14 opened on one side of the conveying turntable 12 with one side of the oil outlet pipeline 7. When the conveying turntable 12 rotates, the oil is filtered by the oil filter element 15 and discharged through the oil outlet pipeline 7;

[0032] Step 4: When it is necessary to disassemble or install oil filter elements 15 of different specifications, insert the transverse connecting rods 16 connected at equal intervals on the outside of the conveying turntable 12 into the interior of the arc-shaped blades 13, and insert the threaded end on one side of the transverse connecting rod 16 into one side of another group of conveying turntables 12, and lock the threaded end on one side of the transverse connecting rod 16 with a nut to complete the assembly of the oil filter element 15 and the conveying turntable 12.

[0033] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. An oil pump motor with an induction electric elimination structure, characterized in that: The invention comprises a motor housing (1), an oil tank (2) is arranged on one side of the motor housing (1), an oil inlet pipe (4) is connected through one side of the oil tank (2), an oil outlet pipe (7) is connected through the other side of the oil tank (2), an elimination mechanism (6) is arranged on one side of the oil tank (2), the elimination mechanism (6) monitors the running condition of the motor and eliminates the influence of induced electricity on the motor, and a filtering mechanism (9) is arranged inside the oil tank (2), the filtering mechanism (9) filters the input oil to reduce the impurity content of the oil; The elimination mechanism (6) comprises a drawer switch (3), a device cover (5) and a motor protector (8); the drawer switch (3) is arranged on one side of the oil tank (2); the top end of the drawer switch (3) is connected to the device cover (5); and the motor protector (8) is arranged inside the drawer switch (3).

2. The oil pump motor with an induction elimination structure according to claim 1, characterized in that: The drawer switch (3) is connected to the circuit input end of the motor housing (1) via a motor protector (8) disposed inside.

3. The oil pump motor with an induction electric elimination structure according to claim 1, characterized in that: The filtering mechanism (9) comprises a rotating shaft (10), a conveying turntable (12), arc-shaped blades (13), a pipe through hole (14), an oil filter element (15) and a transverse connecting rod (16); the rotating shaft (10) is key-connected to the outside of the conveying turntable (12); a group of transverse connecting rods (16) are distributed in an annular shape on the outside of the conveying turntable (12); the outside of the transverse connecting rod (16) is connected to the arc-shaped blades (13); one group of the conveying turntables (12) is provided with a pipe through hole (14); an oil filter element (15) is arranged between the two groups of the conveying turntables (12); and the pipe through hole (14) is connected to the bearing on the other side of the oil outlet pipeline (7).

4. The oil pump motor with an induction electric elimination structure according to claim 1, characterized in that: A rotor assembly (11) is arranged inside the motor housing (1).

5. The oil pump motor with an induction electric elimination structure according to claim 3, characterized in that: The conveying turntable (12) is connected to the arc-shaped blades (13) through a transverse connecting rod (16) arranged on the outside.

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