Double-side double-control pumping unit power distribution cabinet

Abstract

The utility model discloses a double-side double-control pumping unit power distribution cabinet, which comprises a power distribution cabinet body, a mounting rack is fixedly arranged in the middle of the inner side of the power distribution cabinet body, and an air circuit breaker QF1, a motor comprehensive protector ZRF and a change-over switch ST are fixedly arranged at the top end of the mounting rack. The double-measurement and double-control pumping unit power distribution cabinet can measure three-phase current and all electrical parameters, can also measure the liquid level of the oil storage tank in real time through the liquid level sensor so as to realize a double-measurement function, has a manual / automatic start-stop function according to the operation requirement of the pumping unit, has a power-on alarm function during automatic operation, and is convenient to operate. Meanwhile, an oil storage tank high-liquid-level alarm function and an over-high-liquid-level shutdown function, namely a double-control function, are designed, ventilation and heat dissipation of the power distribution cabinet body are facilitated through arrangement of two ventilation windows, external air is guided into the power distribution cabinet body through a fan, rapid discharge of hot air in the power distribution cabinet body is further accelerated, and therefore the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution cabinet, concretely to a double measurement double control pumping unit power distribution cabinet. BACKGROUND

[0002] Pumping unit power distribution cabinet is the electrical equipment that oil production team well site must use, and it is usually used to start or stop pumping unit, and the present power distribution cabinet does not have hand / automatic conversion and automatic power-on alarm function, after short-time power failure recovery power supply, the oil production worker goes to each well site to start the pumping unit, not only the labor intensity, but also the misproduction phenomenon is very common. There is no three-phase current measurement function, when calculating the balance degree of pumping unit, only the ammeter is used to measure the current of upper and lower dead centers, and the power distribution cabinet manufacturer does not reserve the measurement place, and only the wiring can be moved to measure, and the ordinary oil production worker is not professional in electrical instruments, and the measurement error is large, and there is the safety risk of electric shock of the staff, the liquid level of well site oil storage tank is measured by the manual tank measurement method, since part of the oil well produced liquid contains sulfurized cyanide, associated gas and other toxic and harmful gases, if there is a little carelessness when measuring the liquid level, the oil production worker's body can be hurt, and the serious accident can be caused, at the same time, since the liquid level is too high and has no automatic control, the produced liquid is easy to leak, and the environmental pollution event is caused.

[0003] In order to solve the above problems, a double measurement double control pumping unit power distribution cabinet is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double measurement double control pumping unit power distribution cabinet to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a double measurement double control pumping unit power distribution cabinet, including the power distribution cabinet body, the middle part of the inner side of the power distribution cabinet body is fixedly provided with the mounting bracket, the top end of the mounting bracket is fixedly installed with the air circuit breaker QF1, the motor comprehensive protector ZRF and the change-over switch ST, the bottom end of the mounting bracket is fixedly installed with the time relay KA2, the time controller KA3, the intermediate relay KA1, the multifunctional electric energy meter and the wireless signal transceiving module, the bottom of the inner wall side of the power distribution cabinet body is fixedly installed with the intelligent single light column digital display measurement and control instrument, the bottom of the one side of the power distribution cabinet body is fixedly connected with the connecting line, the end, away from the power distribution cabinet body of the connecting line is fixedly installed with the liquid level sensor, the middle part of the top end of the power distribution cabinet body is fixedly installed with the buzzer, the top of the inner wall side of the power distribution cabinet body is fixedly provided with the fixed frame, and the middle part of the fixed frame is fixedly installed with the fan.

[0006] The double-measuring and double-controlling power distribution cabinet of the oil pumping unit can measure three-phase current and all electrical parameters, and can also measure the liquid level of the oil storage tank in real time through the liquid level sensor, so as to realize the double-measuring function, and according to the operation requirements of the oil pumping unit, the hand / automatic start-stop function is prepared, the power-on alarm function is provided in the automatic mode, and the high liquid level alarm function and the high liquid level shutdown function of the oil storage tank are designed, that is, the double-controlling function, wherein the two ventilation windows are arranged to facilitate ventilation and heat dissipation of the power distribution cabinet body, the external air is introduced into the power distribution cabinet body through the fan, and then the hot air in the power distribution cabinet body is quickly discharged, so that the heat dissipation efficiency is improved.

[0007] Preferably, the middle part of the two sides of the power distribution cabinet body is provided with a ventilation window, and the inside of the two ventilation windows is fixedly provided with a dust screen, so as to facilitate ventilation and heat dissipation of the power distribution cabinet body, and the two dust screens can play a dustproof role.

[0008] Preferably, the top of the two sides of the power distribution cabinet body is fixedly provided with a protective cover, and the two protective covers are correspondingly arranged with the two ventilation windows, so that the two ventilation windows can be protected by the two protective covers.

[0009] Preferably, the top of the four corners of the power distribution cabinet body is fixedly provided with a support, and the top of the four supports is fixedly provided with a protective cover, so that the power distribution cabinet body can be protected by the protective cover.

[0010] Preferably, the front of the power distribution cabinet body is hingedly provided with a double-layer door, so that the safety of the power distribution cabinet body can be improved by the double-layer door.

[0011] Preferably, the middle part of the front of the double-layer door is provided with a plurality of buttons, and the top of the front of the double-layer door is fixedly provided with a touch display screen, so that the related data can be displayed by the touch display screen.

[0012] Preferably, the four corners of the bottom of the power distribution cabinet body are fixedly provided with an anti-skid base, so that the anti-skid effect can be achieved by the anti-skid base.

[0013] Preferably, the air circuit breaker QF1 is connected with the alternating current contactor KM, the motor comprehensive protector ZRF, the change-over switch ST, the time relay KA2, the buzzer, the intermediate relay KA1, the time controller KA3, the multifunctional electric energy meter, the intelligent single light column digital display measurement and control instrument and the liquid level sensor, the ZRF switch and the KA3 normally closed switch are connected in series between the alternating current contactor KM and the terminal pin N of the air circuit breaker QF1, the button switch 1SB, the automatic switch ZK and the button switch 2SB are connected in series between the alternating current contactor KM and the terminal pin L1 of the air circuit breaker QF1, the KM switch connected with the motor comprehensive protector ZRF is connected in parallel with the button switch 2SB, the first red light is connected in parallel with the motor comprehensive protector ZRF, the KA2 switch is connected in series with the first red light, the blue light is connected in parallel with the motor comprehensive protector ZRF and the KM switch, the first KA2 normally closed switch is connected in series with the blue light, the ST switch is connected in series with the time relay KA2, the second red light is connected in parallel with the air circuit breaker QF1, the KA1 switch is connected in series with the buzzer, the second KA2 normally closed switch is connected in parallel with the KA1 switch, the Cky1 switch is connected in series with the intermediate relay KA1 and the Cky2 switch is connected in series with the time controller KA3.

[0014] Compared with the prior art, the utility model have the advantages that:

[0015] The double-measurement and double-control power distribution cabinet of the pumping unit can measure three-phase current and all electrical parameters, can also measure the liquid level of the oil storage tank in real time through the liquid level sensor, so that the double-measurement function is realized, and the hand / automatic start-stop function is prepared according to the operation requirement of the pumping unit, the power-on alarm function is realized in the automatic mode, and the high-liquid-level alarm function and the high-liquid-level shutdown function of the oil storage tank are designed, that is, the double-control function, wherein the two ventilation windows are arranged to facilitate ventilation and heat dissipation of the power distribution cabinet body, the external air is introduced into the power distribution cabinet body through the fan, so that the hot air in the power distribution cabinet body is quickly discharged, and the heat dissipation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is the first electrical principle view of the utility model;

[0019] Figure 4 It is the second electrical principle view of the utility model.

[0020] In the figure: 1, power distribution cabinet body; 2, mounting frame; 3, air circuit breaker QF1; 4, motor comprehensive protector ZRF; 5, change-over switch ST; 6, time relay KA2; 7, time controller KA3; 8, intermediate relay KA1; 9, multifunctional electric energy meter; 10, wireless signal transceiver module; 11, ventilation window; 12, dust screen; 13, fixing frame; 14, fan; 15, support column; 16, shielding cover; 17, buzzer; 18, intelligent single-light column digital display measurement and control instrument; 19, connecting wire; 20, liquid level sensor; 21, protective cover; 22, double-layer door; 23, button; 24, touch display screen; 25, anti-skid base. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a double measurement and double control pumping unit power distribution cabinet, including power distribution cabinet body 1, the middle part of power distribution cabinet body 1 inside is fixedly arranged with mounting frame 2, the top of mounting frame 2 is fixedly installed with air circuit breaker QF13, motor comprehensive protector ZRF 4 and change-over switch ST 5, the bottom of mounting frame 2 is fixedly installed with time relay KA26, time controller KA37, intermediate relay KA18, multifunctional electric energy meter 9 and wireless signal transceiver module 10, the bottom of one side of power distribution cabinet body 1 inner wall is fixedly installed with intelligent single-light column digital display measurement and control instrument 18, the bottom of one side of power distribution cabinet body 1 is fixedly connected with connecting wire 19, the end of connecting wire 19 away from power distribution cabinet body 1 is fixedly installed with liquid level sensor 20, the middle part of the top of power distribution cabinet body 1 is fixedly installed with buzzer 17, the top of one side of power distribution cabinet body 1 inner wall is fixedly arranged with fixing frame 13, the middle part of fixing frame 13 is fixedly installed with fan 14, this double measurement and double control pumping unit power distribution cabinet can measure three-phase current and all electrical parameters, can also measure the liquid level of oil storage tank in real time through liquid level sensor 20 simultaneously, thereby realizes double measurement function, and according to the operation demand of pumping unit, prepares hand / automatic start-stop function, has incoming call alarm function when automatic, designs oil storage tank high liquid level alarm function and overhigh liquid level shutdown function, namely double control function, wherein through the setting of two ventilation windows 11, it is convenient to ventilate and radiate power distribution cabinet body 1, through fan 14, outside air is introduced into power distribution cabinet body 1, and then the hot air in power distribution cabinet body 1 is rapidly discharged, thereby improves the heat dissipation efficiency.

[0023] The middle part of the power distribution cabinet body 1 on both sides is provided with a ventilation window 11, the inside of the two ventilation windows 11 is fixedly provided with a dust screen 12, the top of the power distribution cabinet body 1 on both sides is fixedly provided with a protective cover 21, the two protective covers 21 are correspondingly arranged with the two ventilation windows 11, the top of the four corners of the power distribution cabinet body 1 is fixedly provided with a support 15, and the top of the four supports 15 is fixedly provided with a protective cover 16.

[0024] In use, the two ventilation windows 11 facilitate ventilation and heat dissipation of the power distribution cabinet body 1, the two dust screens 12 can prevent dust, the two protective covers 21 can protect the two ventilation windows 11, and the protective cover 16 can protect the power distribution cabinet body 1.

[0025] The front of the power distribution cabinet body 1 is hingedly provided with a double-layer door 22, the middle part of the front of the double-layer door 22 is provided with a plurality of buttons 23, the top of the front of the double-layer door 22 is fixedly provided with a touch display screen 24, and the four corners of the bottom of the power distribution cabinet body 1 are fixedly provided with anti-skid bases 25.

[0026] In use, the double-layer door 22 can improve the safety of the power distribution cabinet body 1, the touch display screen 24 can display related data, and the anti-skid bases 25 can prevent slipping.

[0027] In use, the double-measurement and double-control power distribution cabinet of the oil pumping unit can measure three-phase current and all electrical parameters, and can also measure the liquid level of the oil storage tank in real time through the liquid level sensor 20, so as to realize the double-measurement function, and according to the operation requirements of the oil pumping unit, the hand / automatic start-stop function is prepared, the power-on alarm function is provided in the automatic mode, and the high liquid level alarm function and the high liquid level shutdown function of the oil storage tank are designed, that is, the double-control function, wherein the two ventilation windows 11 facilitate ventilation and heat dissipation of the power distribution cabinet body 1, the fan 14 introduces external air into the power distribution cabinet body 1, and then the hot air in the power distribution cabinet body 1 is quickly discharged, so as to improve the heat dissipation efficiency.

[0028] The air circuit breaker QF13 is connected in series with the AC contactor KM, the motor comprehensive protector ZRF4, the change-over switch ST5, the time relay KA26, the buzzer 17, the intermediate relay KA18, the time controller KA37, the multifunctional electric energy meter 9, the intelligent single light column digital display measurement and control instrument 18 and the liquid level sensor 20, the ZRF switch and the KA3 normally closed switch are connected in series between the AC contactor KM and the terminal pin N of the air circuit breaker QF13, the button switch 1SB, the automatic switch ZK and the button switch 2SB are connected in series between the AC contactor KM and the terminal pin L1 of the air circuit breaker QF13, the KM switch connected with the motor comprehensive protector ZRF4 is connected in parallel with the button switch 2SB, the first red light is connected in parallel with the motor comprehensive protector ZRF4, the KA2 switch is connected in series with the first red light, the blue light is connected in parallel with the motor comprehensive protector ZRF4 and the KM switch, the first KA2 normally closed switch is connected in series with the blue light, the ST switch is connected in series with the time relay KA26, the second red light is connected in parallel with the air circuit breaker QF13, the KA1 switch is connected in series with the buzzer 17, the second KA2 normally closed switch is connected in parallel with the KA1 switch, the Cky1 switch is connected in series with the intermediate relay KA18, and the Cky2 switch is connected in series with the time controller KA37.

[0029] In the working process, when the air circuit breaker QF13 is turned on, if the manual mode is selected, the blue light of the manual mode indicating lamp is bright, the start button 23 is pressed, the AC contactor KM coil is powered, the main circuit is closed, the motor starts to run, the motor comprehensive protector ZRF4 is powered, the protection device is put into operation, the red light is bright to indicate that the motor runs, the multifunctional electric energy meter 9, the intelligent single light column digital display measurement and control instrument 18 and the liquid level sensor 20 all run to measure the electrical parameters and the liquid level in real time, if the liquid level is high, the Cky1 switch of the intelligent single light column digital display measurement and control instrument 18 is closed, the KA1 switch of the intermediate relay KA18 is powered, the buzzer 17 is powered to alarm, if the liquid level continues to rise, the Cky2 switch is closed, the KA3 switch is powered, the normally closed contact of the KA3 normally closed switch is opened, the AC contactor KM loses power, the main circuit is opened, and the pumping unit stops running, after the liquid level is lowered, the pumping unit is restarted, the automatic reset is realized, if the automatic mode is selected, the ST switch of the time relay KA26 is powered, the time delay is started, the ST switch is closed after the time delay, the KA2 switch is powered, the AC contactor KM is powered, the running indicating lamp is bright, the manual mode lamp is bright, and the other operation modes are the same as the manual mode.

[0030] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A power distribution cabinet for a dual-measurement, dual-control oil pumping unit, comprising a cabinet body (1), characterized in that: A mounting bracket (2) is fixedly installed in the middle of the inner side of the power distribution cabinet (1). An air circuit breaker QF1 (3), a motor integrated protector ZRF (4), and a changeover switch ST (5) are fixedly installed on the top of the mounting bracket (2). A time relay KA2 (6), a time controller KA3 (7), an intermediate relay KA1 (8), a multi-function energy meter (9), and a wireless signal transceiver module (10) are fixedly installed on the bottom of the mounting bracket (2). The inner wall of the power distribution cabinet (1) has a... A smart single-beam digital display measuring and control instrument (18) is fixedly installed at the bottom of the side. A connecting line (19) is fixedly connected to the bottom of one side of the power distribution cabinet (1). A liquid level sensor (20) is fixedly installed at the end of the connecting line (19) away from the power distribution cabinet (1). A buzzer (17) is fixedly installed in the middle of the top of the power distribution cabinet (1). A fixing frame (13) is fixedly installed on the top of one side of the inner wall of the power distribution cabinet (1). A fan (14) is fixedly installed in the middle of the fixing frame (13).

2. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 1, characterized in that: Ventilation windows (11) are provided in the middle of both sides of the power distribution cabinet (1), and dustproof nets (12) are fixedly installed inside the two ventilation windows (11).

3. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 2, characterized in that: The top of both sides of the power distribution cabinet (1) is fixedly equipped with protective covers (21), and the two protective covers (21) are respectively set with two ventilation windows (11).

4. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 1, characterized in that: The four corners of the top of the power distribution cabinet (1) are all fixedly provided with support columns (15), and the top of the four support columns (15) is fixedly provided with a protective cover (16).

5. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 1, characterized in that: The front of the power distribution cabinet (1) is hinged with a double door (22). Anti-slip bases (25) are fixedly installed at the four corners of the bottom of the power distribution cabinet (1).

6. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 5, characterized in that: Several buttons (23) are provided in the middle of the front of the double door (22), and a touch screen (24) is fixedly installed on the top of the front of the double door (22).

7. The power distribution cabinet for a dual-measurement, dual-control oil pumping unit according to claim 1, characterized in that: The air circuit breaker QF1(3) is connected to the AC contactor KM, the motor integrated protector ZRF(4), the changeover switch ST(5), the time relay KA2(6), the buzzer (17), the intermediate relay KA1(8), the time controller KA3(7), the multi-function energy meter (9), the intelligent single-beam digital display measuring and control instrument (18), and the liquid level sensor (20). The AC contactor KM and the air circuit breaker QF1(3) are connected in series with the ZRF switch and the normally closed switch KA3. The AC contactor KM and the air circuit breaker QF1(3) are connected in series with the push button switch 1SB, the automatic switch ZK and the push button switch 2SB. The push button switch 2SB A KM switch is connected in parallel with the motor integrated protector ZRF(4). The motor integrated protector ZRF(4) is connected in parallel with a first red light. The first red light is connected in series with a KA2 switch. The motor integrated protector ZRF(4) and the KM switch are connected in parallel with a blue light. The blue light is connected in series with a first KA2 normally closed switch. The time relay KA2(6) is connected in series with an ST switch. The air circuit breaker QF1(3) is connected in parallel with a second red light. The buzzer (17) is connected in series with a KA1 switch. The KA1 switch is connected in parallel with a second KA2 normally closed switch. The intermediate relay KA1(8) is connected in series with a Cky1 switch. The time controller KA3(7) is connected in series with a Cky2 switch.

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