CN111022308A

CN111022308A - Integrated electric control cabinet for pump station

Info

Publication number: CN111022308A
Application number: CN201911298876.8A
Authority: CN
Inventors: 徐志兵; 张超
Original assignee: Nanjing Lvyuan Electric Automation Co Ltd
Current assignee: Nanjing Lvyuan Electric Automation Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-17

Abstract

The invention belongs to the technical field of control cabinet application, and particularly discloses an electric control cabinet for an integrated pump station, which comprises a stainless steel box body, a box door, a door lock, a box cover, lead holes, a first wire distributing groove, a second wire distributing groove, a third wire distributing groove, a G-shaped terminal guide rail, a first U-shaped guide rail, a second U-shaped guide rail, a third U-shaped guide rail, a first terminal row, a second terminal row, a first miniature circuit breaker, a second miniature circuit breaker, a third miniature circuit breaker, a fourth miniature circuit breaker, a first guide rail socket, a second guide rail socket, a relay, a PLC (programmable logic controller), a current conditioner, a switch, a current transformer, a switching power supply, a touch screen and the like. The electric control cabinet for the integrated pump station has the beneficial effects that: its project organization is reasonable, solves the problem that current integration pump station is with water pump, the difficult automated control of grid, and water pump operation action is reasonable, water pump operation duration is controllable, plays effectual guard action to water pump and grid.

Description

Integrated electric control cabinet for pump station

Technical Field

The invention belongs to the technical field of control cabinet application, and particularly relates to an electric control cabinet for an integrated pump station.

Background

The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. When the circuit is normally operated, the circuit can be switched on or switched off by a manual or automatic switch, and when the circuit is in fault or abnormal operation, the circuit can be switched off or the alarm can be given by a protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send signals for deviating from normal working state, and the measuring instrument is commonly used in various power distribution, distribution and transformation substations.

Because the running time of the water pumps of the integrated pump station is different, the grating is easy to damage after running for a long time without stopping.

Therefore, based on the above problems, the present invention provides an electric control cabinet for an integrated pump station.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an electric control cabinet for an integrated pump station, which is reasonable in design structure and solves the problem that a water pump and a grid for the existing integrated pump station are difficult to automatically control.

The technical scheme is as follows: the invention provides an electric control cabinet for an integrated pump station, which comprises a stainless steel box body, a box door, a door lock, a box cover and a lead hole, wherein the box door, the door lock, the box cover and the lead hole are matched with the stainless steel box body for use, a first wire distributing groove, a second wire distributing groove and a third wire distributing groove which are arranged on the stainless steel box body, a G-shaped terminal guide rail, a first U-shaped guide rail, a second U-shaped guide rail and a third U-shaped guide rail which are arranged in the stainless steel box body, a first terminal row and a second terminal row which are arranged on the G-shaped terminal guide rail, a first alternating current contactor, a first contact, a thermal relay, a second alternating current contactor, a second contact, a motor surge protector and a comprehensive protector which are arranged on the first U-shaped guide rail, and a first miniature circuit breaker, a second miniature circuit breaker, a third miniature circuit breaker, a fourth miniature circuit breaker, a first guide rail socket, a second guide rail socket, the PLC controller, the current conditioner and the switch are arranged on the second U-shaped guide rail, the current transformer and the switch power supply are arranged on the inner wall of the stainless steel box body and located on one side of the second U-shaped guide rail, the switch is connected with the switch power supply, the first terminal row, the second terminal row, the first alternating current contactor, the thermal relay, the second alternating current contactor, the motor surge protector, the comprehensive protector, the first miniature circuit breaker, the second miniature circuit breaker, the third miniature circuit breaker, the fourth miniature circuit breaker, the relay, the current conditioner, the current transformer and the touch screen are respectively connected with the PLC controller, the touch screen is installed on the outer wall of the box door, and the second contact and the first contact are respectively installed on the first alternating current contactor and the second alternating current contactor.

In the technical scheme, the sizes of the first routing groove, the second routing groove and the third routing groove are respectively 30 × 550mm, 30 × 497mm and 30 × 480 mm.

According to the technical scheme, the switching power supply is LRS-50-24 in model, the first terminal row and the second terminal row are respectively three-pin interfaces, the first alternating current contactor is CJX2-1210 in model, the thermal relay is JRS-09-25 in model, the second alternating current contactor is CJX2-1810 in model, the motor surge model is LB 05/220V/5A in model, the comprehensive protector is ZBL-1L/220V/5A in model, the first miniature circuit breaker, the second miniature circuit breaker, the third miniature circuit breaker and the fourth miniature circuit breaker are DZ 47-60D 15/3P, DZ 47-60D 25/3P, DZ 47-60D 25/2P, DZ 47-60C 6/1P in model, the relay is JZX-22F/2Z in model, the current conditioner is HC 2-B0402, HC 2-B in model, and CJX-220V/5A in model, and the comprehensive protector is ZBL-1L/220V/5A in model, The model number of the current transformers is three, namely 0.5-level 2.5V0.66/3/-KV E50Hz and the number of PLC controllers.

In the technical scheme, the sizes of the G-shaped terminal guide rail, the first U-shaped guide rail and the second U-shaped guide rail are respectively 30 × 475mm, 35 × 470mm and 35 × 285 mm.

Compared with the prior art, the electric control cabinet for the integrated pump station has the beneficial effects that: its project organization is reasonable, solves the problem that current integration pump station is with water pump, the difficult automated control of grid, and water pump operation action is reasonable, water pump operation duration is controllable, plays effectual guard action to water pump and grid.

Drawings

Fig. 1, 2 and 5 are schematic structural diagrams of an electric control cabinet for an integrated pump station of the invention;

fig. 3, 4, 6, 7, 8, 9, 10 and 11 are schematic electrical structures of the electric control cabinet for the integrated pump station of the present invention.

Detailed Description

The invention is further elucidated with reference to the drawings and the embodiments.

Examples

The electric cabinet for the integrated pump station shown in fig. 1 to 11 comprises a stainless steel box 1, a box door 30, a door lock 31, a box cover 32, a lead hole 29 matched with the stainless steel box 1, a first wire trough 2, a second wire trough 3, a third wire trough 4 arranged on the stainless steel box 1, a G-shaped terminal guide rail 5, a first U-shaped guide rail 6, a second U-shaped guide rail 7, a third U-shaped guide rail 33 arranged in the stainless steel box 1, a first terminal row 27 and a second terminal row 28 arranged on the G-shaped terminal guide rail 5, a first alternating current contactor 20, a first contact 21, a thermal relay 22, a second alternating current contactor 23, a second contact 24, a motor surge protector 25, a comprehensive protector 26 arranged on the first U-shaped guide rail 6, and a first miniature circuit breaker 13, a second miniature circuit breaker 14 arranged on the third U-shaped guide rail 33, A third miniature circuit breaker 15, a fourth miniature circuit breaker 16, a first guide rail socket 17, a second guide rail socket 18, a relay 19, a PLC controller 8, a current conditioner 9 and a switch 10 which are arranged on the second U-shaped guide rail 7, a current transformer 11 and a switch power supply 12 which are arranged on the inner wall of the stainless steel box body 1 and are positioned at one side of the second U-shaped guide rail 7, wherein the switch 10 is connected with the switch power supply 12, a first terminal row 27, a second terminal row 28, a first alternating current contactor 20, a thermal relay 22, a second alternating current contactor 23, a motor surge protector 25, a comprehensive protector 26, a first miniature circuit breaker 13, a second miniature circuit breaker 14, a third miniature circuit breaker 15, a fourth miniature circuit breaker 16, a relay 19, the current conditioner 9, the current transformer 11 and a touch screen 34 are respectively connected with the PLC controller 8, wherein the touch screen 34 is arranged on the outer wall of the box door 30, the second contact 24 and the first contact 21 are mounted on the first ac contactor 20 and the second ac contactor 23, respectively.

Further preferably, the sizes of the first wiring groove 2, the second wiring groove 3 and the third wiring groove 4 are respectively 30 × 550mm, 30 × 497mm and 30 × 480 mm; the model of the switching power supply 12 is LRS-50-24, the model of the first terminal row 27 and the model of the second terminal row 28 are three-pin interfaces, the model of the first alternating current contactor 20 is CJX2-1210, the model of the thermal relay 22 is JRS-09-25, the model of the second alternating current contactor 23 is CJX2-1810, the model of the motor surge protector 25 is LB 05/220V/5A, the model of the comprehensive protector 26 is ZBL-1L/220V/5A, the models of the first miniature circuit breaker 13, the second miniature circuit breaker 14, the third miniature circuit breaker 15 and the fourth miniature circuit breaker 16 are DZ 47-60D 15/3P, DZ 47-60D 25/3P, DZ 47-60D 25/2P, DZ 47-60C 6/1P, the models of the relays 19 are JZX-22F/2Z, JZX-2Z, Three current conditioners 9 are HC0402-B, three current transformers 11 are 0.5 grade 2.5V0.66/3/-KV E50Hz, and three PLC controllers 8 are arranged; and the dimensions of the G-shaped terminal guide rail 5, the first U-shaped guide rail 6 and the second U-shaped guide rail 7 are respectively 30 × 475mm, 35 × 470mm and 35 × 285 mm.

This integration is electric cabinet for pump station of structure, when the water level was less than low liquid level, all water pumps were out of work, when the water level was higher than when opening the pump liquid level, the breaker ran earlier then starts the 1# water pump, when the water level was higher than high liquid level, two water pumps were all worked. After the water pumps pump water, the water level drops to a low liquid level, and the two pumps stop working; the water pumps can be controlled alternately, so that the service time is ensured to be the same, and the service life of the water pumps is prolonged; the grid has overcurrent protection, and when the locked rotor occurs, the grid can immediately rotate reversely to discharge the object causing the locked rotor.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims

1. Integration is electric cabinet for pump station, its characterized in that: comprises a stainless steel box body (1), a box door (30), a door lock (31), a box cover (32) and a lead hole (29) which are matched with the stainless steel box body (1) for use, a first wiring groove (2), a second wiring groove (3) and a third wiring groove (4) which are arranged on the stainless steel box body (1), a G-shaped terminal guide rail (5), a first U-shaped guide rail (6), a second U-shaped guide rail (7) and a third U-shaped guide rail (33) which are arranged in the stainless steel box body (1), a first terminal row (27) and a second terminal row (28) which are arranged on the G-shaped terminal guide rail (5), a first alternating current contactor (20), a first contact (21), a thermal relay (22), a second alternating current contactor (23), a second contact (24), a motor surge protector (25) and a comprehensive protector (26) which are arranged on the first U-shaped guide rail (6), and a first miniature circuit breaker (13), a second miniature circuit breaker (14), a third miniature circuit breaker (15), a fourth miniature circuit breaker (16), a first guide rail socket (17), a second guide rail type socket (18) and a relay (19) which are arranged on a third U-shaped guide rail (33), a PLC controller (8), a current conditioner (9) and a switch (10) which are arranged on a second U-shaped guide rail (7), a current transformer (11) and a switch power supply (12) which are arranged on the inner wall of a stainless steel box body (1) and positioned on one side of the second U-shaped guide rail (7), wherein the switch (10) is connected with the switch power supply (12), a first terminal row (27), a second terminal row (28), a first alternating current contactor (20), a thermal relay (22), a second alternating current contactor (23), a motor surge protector (25), a comprehensive protector (26), The first miniature circuit breaker (13), the second miniature circuit breaker (14), the third miniature circuit breaker (15), the fourth miniature circuit breaker (16), the relay (19), the current conditioner (9), the current transformer (11) and the touch screen (34) are respectively connected with the PLC controller (8), wherein the touch screen (34) is installed on the outer wall of the box door (30), and the second contact (24) and the first contact (21) are respectively installed on the first alternating current contactor (20) and the second alternating current contactor (23).

2. The electric control cabinet for the integrated pump station according to claim 1, characterized in that: the sizes of the first wiring groove (2), the second wiring groove (3) and the third wiring groove (4) are respectively 30 × 550mm, 30 × 497mm and 30 × 480 mm.

3. The electric control cabinet for the integrated pump station according to claim 1, characterized in that: the model of the switching power supply (12) is LRS-50-24, the model of the first terminal row (27) and the model of the second terminal row (28) are respectively three-pin interfaces, the model of the first alternating current contactor (20) is CJX2-1210, the model of the thermal relay (22) is JRS-09-25, the model of the second alternating current contactor (23) is CJX2-1810, the model of the motor surge protector (25) is LB 05/220V/5A, the model of the comprehensive protector (26) is ZBL-1L/220V/5A, the models of the first miniature circuit breaker (13), the second miniature circuit breaker (14), the third miniature circuit breaker (15) and the fourth miniature circuit breaker (16) are DZ 47-60D 15/3P, DZ 47-60D 25/3P, DZ 47-60D 25/2P, DZ 47-60C 6/1P respectively, the model of the relay (19) is JZX-22F/2Z, the model of the current conditioner (9) is HC0402-B, the model of the current transformer (11) is 0.5 grade 2.5V0.66/3/-KV E50Hz, and the number of the PLC controllers (8) is three.

4. The electric control cabinet for the integrated pump station according to claim 1, characterized in that: the sizes of the G-shaped terminal guide rail (5), the first U-shaped guide rail (6) and the second U-shaped guide rail (7) are respectively 30 x 475mm, 35 x 470mm and 35 x 285 mm.