A diesel generating set control device applied to a trial test and a control method thereof

Abstract

The application provides a diesel generator set control device applied to a trial test and a control method thereof, and is suitable for the technical field of diesel generators. The application aims to provide the diesel generator set control device applied to the trial test and the control method thereof. The scheme is as follows: a control cabinet main body, a cabinet door main body, circuit breakers, a PLC, relays, and indicator lamps. The cabinet door main body is rotationally connected to the right side of the control cabinet main body. A plurality of circuit breakers are fixedly installed in the control cabinet main body. The PLC is fixedly installed in the control cabinet main body. First, second, third, fourth, and fifth switches, a baffle mechanism, an assembly mechanism, and a buckle mechanism are provided. The diesel generator set control device can realize simplified operation, complete functions, reliable operation, and convenient maintenance, can greatly reduce the working strength of operators, and can improve work efficiency and anti-misoperation performance. The application is also suitable for the field of diesel generators.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of diesel generator, and particularly relates to a diesel generator set control device applied to a trial test and a control method thereof. BACKGROUND

[0002] In the work of nuclear power plants, the rapid and stable start of the diesel generator set is the guarantee for the safe and stable work of the nuclear power plant, and the diesel generator set plays an important role in the work of the nuclear power plant. Meanwhile, due to the fact that the trial test process of the diesel generator set involves a large number of function logic loads, test equipment and data, the operation of workers is complex and the work efficiency is low. The present application improves the diesel generator set control cabinet in view of the technical problems of complex operation and low work efficiency in the trial test process of the diesel generator set.

[0003] Therefore, it is necessary to provide a new diesel generator set control device applied to a trial test and a control method thereof to solve the above technical problems. SUMMARY

[0004] To solve the above technical problems, the present application provides a diesel generator set control device applied to a trial test and a control method thereof.

[0005] The diesel generating set control device applied to the trial test provided by the application comprises a control cabinet main body, a cabinet door main body, circuit breakers, a PLC, relays and indicator lamps, the cabinet door main body is rotationally connected to the right side of the control cabinet main body, a plurality of groups of circuit breakers are fixedly installed inside the control cabinet main body, the PLC is fixedly installed inside the control cabinet main body, two relays are fixedly installed at equal intervals inside the control cabinet main body and are located below the PLC, and six indicator lamps are fixedly connected to the front surface of the cabinet door main body at equal intervals; first, second, third, fourth and fifth switches are fixedly connected to the front surface of the cabinet door main body at equal intervals and are located below the indicator lamps, the diesel generating set is in a remote operation mode by simultaneously pressing the first and second switches, the diesel generating set is in an on-site operation mode by simultaneously pressing the first and third switches, the diesel generating set is in a maintenance operation mode by simultaneously pressing the first and fourth switches, the diesel generating set is switched between normal starting and stopping by simultaneously pressing the first and fifth switches, the diesel generating set is switched between automatic and manual excitation modes by simultaneously pressing the first, second and third switches, and the diesel generating set is switched between full-speed and idle-speed operation modes by simultaneously pressing the first, third and fourth switches; a baffle mechanism, an assembly mechanism and a buckle mechanism are fixedly installed on the front surface of the cabinet door main body and are located in front of the first, second, third, fourth and fifth switches, the first, second, third, fourth and fifth switches are protected by rotating the baffle mechanism, the buckle mechanisms are symmetrically installed on the two sides of the PLC, the PLC is fixedly installed inside the control cabinet main body by rotating the buckle mechanisms, the buckle mechanisms are symmetrically fixedly installed on the two sides of the relays, the relays are fixedly installed inside the control cabinet main body by rotating the buckle mechanisms, a plurality of groups of circuit breakers are fixedly installed inside the control cabinet main body, the PLC is fixedly installed inside the control cabinet main body by the assembly mechanism, the relays are fixedly installed inside the control cabinet main body by the buckle mechanisms, the baffle mechanism protects the first, second, third, fourth and fifth switches, and the first and second switches, the first and third switches and the first and fourth switches are simultaneously pressed, thereby simplifying the operation of the diesel generating set trial test process and improving the anti-misoperation performance.

[0006] Preferably, the baffle mechanism comprises a baffle mounting seat, a protective baffle, a first lead screw and a first driving block, the front surface of the cabinet door body is fixedly connected with the baffle mounting seat, the inside of the baffle mounting seat is slidably installed with the protective baffle, and the protective baffle is located in front of the first switch, the second switch, the third switch, the fourth switch and the fifth switch, the inner wall of the baffle mounting seat is rotatably connected with the first lead screw, and the threaded portion of the first lead screw is engagedly connected with the inner wall of the circular groove of the protective baffle, and the top of the first lead screw is fixedly connected with the first driving block, rotating the first driving block drives the first lead screw to rotate in the inner wall of the baffle mounting seat, the threaded portion of the first lead screw contacts the inner wall of the circular groove of the protective baffle, and the protective baffle is moved upward, so that the staff can press the first switch, the second switch, the third switch, the fourth switch and the fifth switch for operation.

[0007] Preferably, the baffle mechanism further comprises a first sliding groove and a first sliding block, the inner wall of the baffle mounting seat is symmetrically provided with the first sliding groove, and the two sides of the protective baffle are fixedly connected with the first sliding block, and the first sliding block slides in the inner wall of the first sliding groove, in the process of moving the protective baffle upward, the first sliding block slides in the inner wall of the first sliding groove, so that the protective baffle moves horizontally up and down, and the stability of the movement of the protective baffle is improved.

[0008] Preferably, the assembly mechanism comprises an assembly mounting seat, an assembly mounting block, an assembly connecting block, a second lead screw and a second driving block, the inner wall of the control cabinet body is fixedly connected with the assembly mounting seat, the two sides of the PLC are fixedly connected with the assembly mounting block, the inside of the assembly mounting seat is slidably installed with the assembly connecting block, and the left side of the assembly connecting block is slidably connected with the right side of the assembly mounting block, the inner wall of the assembly mounting seat is rotatably connected with the second lead screw, and the threaded portion of the second lead screw is engagedly connected with the inner wall of the circular groove of the assembly connecting block, and the side, away from the assembly mounting seat, of the second lead screw is fixedly connected with the second driving block, the PLC is close to the inside of the control cabinet body, the assembly mounting block is close to the assembly mounting seat, the assembly mounting block enters the surface groove of the assembly mounting seat, the second driving block is rotated to drive the second lead screw to rotate in the inner wall of the assembly mounting seat, the threaded portion of the second lead screw contacts the inner wall of the circular groove of the assembly connecting block, the assembly connecting block is close to the assembly mounting block, the left side of the assembly connecting block is slidably connected with the right side of the assembly mounting block, the control cabinet body and the PLC are assembled, the second driving block is reversely rotated, the assembly mounting block and the assembly connecting block are away from each other, the PLC is conveniently removed for maintenance.

[0009] Preferably, the assembly mechanism further comprises a second sliding groove and a second sliding block, the inner wall of the assembly mounting seat is symmetrically provided with the second sliding groove, and the upper and lower surfaces of the assembly connecting block are fixedly connected with the second sliding block, and the second sliding block slides in the inner wall of the second sliding groove, in the process of moving the assembly connecting block, the second sliding block slides in the inner wall of the second sliding groove, so that the assembly connecting block moves horizontally left and right, and in the process of moving the assembly connecting block, deviation does not occur, and the stability of the movement of the assembly connecting block is improved.

[0010] Preferably, the buckle mechanism comprises a buckle mounting seat, a buckle mounting block, a first clamping block slot, a second clamping block slot, a linkage slot, a first clamping block, a second clamping block, a first reset spring and a second reset spring, two groups of buckle mounting seats are symmetrically and fixedly connected to the inner wall of the control cabinet body, buckle mounting blocks are symmetrically and fixedly connected to the two sides of the relay, a first clamping block slot is arranged in the buckle mounting seat, second clamping block slots are symmetrically arranged in the inner wall of the buckle mounting seat recess, linkage slots are symmetrically arranged in the inner part of the buckle mounting block, a first clamping block is slidably connected to the inner wall of the first clamping block slot, a second clamping block is slidably connected to the inner wall of the second clamping block slot, and the first clamping block and the second clamping block are slidably connected to the linkage slot, a first reset spring is fixedly connected to the inner wall of the first clamping block slot, one side of the first reset spring is fixedly connected to the side surface of the first clamping block, a second reset spring is fixedly connected to the inner wall of the second clamping block slot, and one side of the second reset spring is fixedly connected to the side surface of the second clamping block, the relay is close to the inner part of the control cabinet body, the buckle mounting block is close to the buckle mounting seat, the buckle mounting block extrudes the first clamping block into the inner part of the first clamping block slot, the first clamping block extrudes the first reset spring to shrink, the second reset spring resets to open, the second clamping block is sent from the second clamping block slot into the inner part of the linkage slot, the buckle mounting seat and the buckle mounting block are connected, the relay is fixedly installed in the inner part of the control cabinet body, the second clamping block is sent from the inner part of the linkage slot back to the inner part of the second clamping block slot, the second reset spring is extruded to shrink, the first reset spring resets to open, the first clamping block is moved out of the inner part of the first clamping block slot, the buckle mounting seat and the buckle mounting block are separated, and the relay is removed for maintenance.

[0011] Preferably, the buckle mechanism further comprises a third sliding groove and a third sliding block, the first clamping block slot and the second clamping block slot are symmetrically provided with a third sliding groove in the inner wall, and the first clamping block and the second clamping block are symmetrically provided with a third sliding block on the surface, and the third sliding block slides in the third sliding groove, during the movement of the first clamping block and the second clamping block, the third sliding block slides in the third sliding groove, ensuring that the first clamping block and the second clamping block move horizontally, and during the movement, there is no deviation, improving the stability of the movement of the first clamping block and the second clamping block.

[0012] Preferably, the control cabinet body and the cabinet door body shell are made of stainless steel material, which has excellent physical strength and plasticity, is convenient and fast to process, and will not easily appear concave and damaged when extruded or collided during use, prolonging the service life of the control cabinet body and the cabinet door body.

[0013] Preferably, the protective baffle is made of transparent plastic, which can clearly know the specific position of the first switch, the second switch, the third switch, the fourth switch and the fifth switch, improving the practicability of the protective baffle.

[0014] A control method of a diesel generator set control device applied to a test run test comprises:

[0015] A1, by pressing the first switch and the second switch, the first switch and the third switch and the first switch and the fourth switch in turn at the same time, the control function of the "remote" and "on-site" and "maintenance" modes of the diesel generator set is switched, the control function of the "remote" and "on-site" modes is used for selecting the control mode of the diesel generator set; the "maintenance" mode refers to the mode when the unit fails or is periodically maintained, at this time the unit does not execute any start command;

[0016] A2, by pressing the first switch and the fifth switch at the same time, the "start" and "stop" of the diesel generator set are controlled;

[0017] A3, by pressing the first switch, the second switch and the third switch at the same time, the "automatic" and "manual" modes of the excitation mode are selected, in the "automatic" mode of the excitation mode, when there is a slow start command and the speed is greater than rpm or when there is a normal start or emergency start command and the speed is greater than %, the excitation cabinet automatic remote excitation is performed; in the "manual" mode of the excitation mode, the on-site manual excitation is performed on the excitation cabinet;

[0018] A4, by pressing the first switch, the third switch and the fourth switch at the same time, the "full speed" and "idle speed" operation modes of the diesel generator set are selected.

[0019] Compared with the related art, the diesel generator set control device and the control method thereof applied to the test run test have the following beneficial effects:

[0020] The present application provides a diesel generator set control device and a control method thereof applied to a test run test:

[0021] 1. By installing the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the baffle mechanism, the assembly mechanism and the buckle mechanism, the operation of the unit is simplified, the functions are complete, the operation is reliable, the maintenance is convenient, the working strength of the operator can be greatly reduced, the working efficiency and the anti-misoperation performance are improved.

[0022] 2. The control cabinet main body and the cabinet door main body are made of stainless steel material, the physical strength of the stainless steel material is excellent in plasticity, the control cabinet main body and the cabinet door main body are conveniently and quickly processed, when the shell is extruded or collided in the use process of the control cabinet main body and the cabinet door main body, the shell will not easily appear concave and damage, the service life of the control cabinet main body and the cabinet door main body is prolonged.

[0023] 3. The protective baffle is made of transparent plastic, the specific positions of the first switch, the second switch, the third switch, the fourth switch and the fifth switch can be clearly known, and the practicability of the protective baffle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 One of the overall structure schematic diagram provided by the present application;

[0025] Figure 2 Second overall structure schematic diagram provided by the present application;

[0026] Figure 3 Cabinet door body enlarged schematic diagram provided by the present application;

[0027] Figure 4 Baffle mechanism structure schematic diagram provided by the present application;

[0028] Figure 5 Assembly mechanism structure schematic diagram provided by the present application;

[0029] Figure 6 Buckle mechanism structure schematic diagram provided by the present application.

[0030] Figure label: 1, control cabinet main body; 2, cabinet door body; 3, circuit breaker; 4, PLC; 5, relay; 6, indicator light; 7, first switch; 8, second switch; 9, third switch; 10, fourth switch; 11, fifth switch; 12, baffle mechanism; 121, baffle mounting seat; 122, protective baffle; 123, first lead screw; 124, first driving block; 125, first sliding groove; 126, first sliding block; 13, assembly mechanism; 131, assembly mounting seat; 132, assembly mounting block; 133, assembly connecting block; 134, second lead screw; 135, second driving block; 136, second sliding groove; 137, second sliding block; 14, buckle mechanism; 141, buckle mounting seat; 142, buckle mounting block; 143, first clamping block groove; 144, second clamping block groove; 145, linkage groove; 146, first clamping block; 147, second clamping block; 148, first return spring; 149, second return spring; 1410, third sliding groove; 1411, third sliding block. DETAILED DESCRIPTION

[0031] The present application will be further described below in conjunction with the drawings and embodiments.

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The utility model relates to a diesel generating set control device for trial running test, which comprises a control cabinet main body 1, a cabinet door main body 2, circuit breakers 3, a PLC 4, relays 5 and indicator lights 6. The cabinet door main body 2 is rotatably connected to the right side of the control cabinet main body 1. A plurality of circuit breakers 3 are fixedly installed inside the control cabinet main body 1. The PLC 4 is fixedly installed inside the control cabinet main body 1. Two relays 5 are fixedly installed inside the control cabinet main body 1 at equal intervals and below the PLC 4. Six indicator lights 6 are fixedly connected to the front surface of the cabinet door main body 2 at equal intervals. First, second, third, fourth and fifth switches 7, 8, 9, 10 and 11 are fixedly connected to the front surface of the cabinet door main body 2 at equal intervals and below the indicator lights 6. By simultaneously pressing the first and second switches 7 and 8, the diesel generating set is in a remote running mode. By simultaneously pressing the first and third switches 7 and 9, the diesel generating set is in an on-site running mode. By simultaneously pressing the first and fourth switches 7 and 10, the diesel generating set is in a maintenance running mode. By simultaneously pressing the first and fifth switches 7 and 11, the diesel generating set switches between normal starting and stopping. By simultaneously pressing the first, second and third switches 7, 8 and 9, the diesel generating set switches between automatic and manual excitation modes. By simultaneously pressing the first, third and fourth switches 7, 9 and 10, the diesel generating set switches between full-speed and idle-speed running modes. A baffle mechanism 12, an assembly mechanism 13 and a buckle mechanism 14 are fixedly installed on the front surface of the cabinet door main body 2. The baffle mechanism 12 is located in front of the first, second, third, fourth and fifth switches 7, 8, 9, 10 and 11. By rotating the baffle mechanism 12, the first, second, third, fourth and fifth switches 7, 8, 9, 10 and 11 are protected. The buckle mechanisms 14 are symmetrically installed on both sides of the PLC 4. By rotating the buckle mechanisms 14, the PLC 4 is fixedly installed inside the control cabinet main body 1. The buckle mechanisms 14 are symmetrically fixedly installed on both sides of the relays 5. By rotating the buckle mechanisms 14, the relays 5 are fixedly installed inside the control cabinet main body 1. The circuit breakers 3 are fixedly installed inside the control cabinet main body 1. The PLC 4 is fixedly installed inside the control cabinet main body 1 by the assembly mechanism 13. The relays 5 are fixedly installed inside the control cabinet main body 1 by the buckle mechanisms 14. The baffle mechanism 12 protects the first, second, third, fourth and fifth switches 7, 8, 9, 10 and 11. By simultaneously pressing the first and second switches 7 and 8, the first and third switches 7 and 9, and the first and fourth switches 7 and 10, etc., the trial running test process of the diesel generating set is simplified, and the anti-misoperation performance is improved.

[0033] Embodiment one

[0034] In the implementation process, as Figure 3 and Figure 4 shown, the baffle mechanism 12 includes a baffle mounting seat 121, a protective baffle 122, a first lead screw 123 and a first drive block 124, the front surface of the cabinet door body 2 is fixedly connected with the baffle mounting seat 121, the baffle mounting seat 121 is internally slidably installed with the protective baffle 122, and the protective baffle 122 is located in front of the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11, the inner wall of the baffle mounting seat 121 is rotatably connected with the first lead screw 123, and the threaded portion of the first lead screw 123 is engagedly connected with the inner wall of the circular groove of the protective baffle 122, the top of the first lead screw 123 is fixedly connected with the first drive block 124, rotating the first drive block 124 drives the first lead screw 123 to rotate in the inner wall of the baffle mounting seat 121, the threaded portion of the first lead screw 123 contacts the inner wall of the circular groove of the protective baffle 122, and the protective baffle 122 is moved upward, facilitating the staff to press the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11 for operation.

[0035] Referring to Figure 4 shown, the baffle mechanism 12 further includes a first sliding groove 125 and a first sliding block 126, the inner wall of the baffle mounting seat 121 is symmetrically provided with the first sliding groove 125, and the two sides of the protective baffle 122 are fixedly connected with the first sliding block 126, and the first sliding block 126 slides in the inner wall of the first sliding groove 125, in the process of moving the protective baffle 122 upward, the first sliding block 126 slides in the inner wall of the first sliding groove 125, ensuring that the protective baffle 122 moves horizontally up and down, and improving the stability of the movement of the protective baffle 122.

[0036] Referring to Figure 2 and Figure 5As shown, the assembly mechanism 13 comprises an assembly mounting seat 131, an assembly mounting block 132, an assembly connecting block 133, a second lead screw 134 and a second driving block 135, the control cabinet body 1 is symmetrically and fixedly connected with the assembly mounting seat 131 on the inner wall, the PLC 4 is symmetrically and fixedly connected with the assembly mounting block 132 on the two sides, the assembly connecting block 133 is slidably installed in the assembly mounting seat 131, and the left side of the assembly connecting block 133 is slidably connected with the right side of the assembly mounting block 132, the second lead screw 134 is rotatably connected with the inner wall of the assembly mounting seat 131, and the threaded portion of the second lead screw 134 is in engagement connection with the inner wall of the circular groove of the assembly connecting block 133, and the second driving block 135 is fixedly connected with the side, away from the assembly mounting seat 131, of the second lead screw 134, the PLC 4 is close to the inside of the control cabinet body 1, the assembly mounting block 132 is close to the assembly mounting seat 131, the assembly mounting block 132 enters the surface groove of the assembly mounting seat 131, the second driving block 135 is rotated, the second lead screw 134 is driven to rotate on the inner wall of the assembly mounting seat 131, the threaded portion of the second lead screw 134 is in contact with the inner wall of the circular groove of the assembly connecting block 133, the assembly connecting block 133 is close to the assembly mounting block 132, the left side of the assembly connecting block 133 is slidably connected with the right side of the assembly mounting block 132, the control cabinet body 1 and the PLC 4 are assembled, the second driving block 135 is reversely rotated, the assembly mounting block 132 and the assembly connecting block 133 are away from each other, the PLC 4 is conveniently removed for maintenance and repair.

[0037] Reference Figure 5 As shown, the assembly mechanism 13 further comprises a second sliding groove 136 and a second sliding block 137, the assembly mounting seat 131 is symmetrically provided with the second sliding groove 136 on the inner wall, and the assembly connecting block 133 is fixedly connected with the second sliding block 137 on the upper and lower surfaces and the second sliding block 137 slides on the inner wall of the second sliding groove 136, during the movement of the assembly connecting block 133, the second sliding block 137 slides on the inner wall of the second sliding groove 136, so that the assembly connecting block 133 moves horizontally and leftward and rightward, and deviation of the assembly connecting block 133 during the movement is avoided, and the stability of the movement of the assembly connecting block 133 is improved.

[0038] Reference Figure 2 And Figure 6As shown, the buckle mechanism 14 includes buckle mounting seat 141, buckle mounting block 142, first buckle block groove 143, second buckle block groove 144, linkage groove 145, first buckle block 146, second buckle block 147, first return spring 148 and second return spring 149, two groups of buckle mounting seats 141 are fixedly connected to the inner wall of the control cabinet body 1, buckle mounting blocks 142 are fixedly connected to the two sides of the relay 5, first buckle block grooves 143 are formed in the interiors of the buckle mounting seats 141, second buckle block grooves 144 are symmetrically formed in the inner walls of the grooves of the buckle mounting seats 141, linkage grooves 145 are symmetrically formed in the interiors of the buckle mounting blocks 142, first buckle blocks 146 are slidably connected to the inner walls of the first buckle block grooves 143, second buckle blocks 147 are slidably connected to the inner walls of the second buckle block grooves 144, and the first buckle block 146 and the second buckle block 147 are slidably connected to the linkage groove 145, first return springs 148 are fixedly connected to the inner walls of the first buckle block grooves 143, one side of the first return spring 148 is fixedly connected to the side surface of the first buckle block 146, second return springs 149 are fixedly connected to the inner walls of the second buckle block grooves 144, one side of the second return spring 149 is fixedly connected to the side surface of the second buckle block 147, the relay 5 is close to the interior of the control cabinet body 1, the buckle mounting block 142 is close to the buckle mounting seat 141, the buckle mounting block 142 extrudes the first buckle block 146 into the interior of the first buckle block groove 143, the first buckle block 146 extrudes the first return spring 148 to shrink, the second return spring 149 resets to expand, the second buckle block 147 is sent from the second buckle block groove 144 into the interior of the linkage groove 145, the buckle mounting seat 141 and the buckle mounting block 142 are connected, the relay 5 is fixedly installed in the interior of the control cabinet body 1, the second buckle block 147 is sent back from the interior of the linkage groove 145 into the interior of the second buckle block groove 144, the second return spring 149 is extruded to shrink, the first return spring 148 resets to expand, the first buckle block 146 is moved out of the interior of the first buckle block groove 143, the buckle mounting seat 141 and the buckle mounting block 142 are separated, and the relay 5 is removed for maintenance.

[0039] Reference Figure 6 As shown, the buckle mechanism 14 further includes third sliding grooves 1410 and third sliding blocks 1411, the first buckle block grooves 143 and the second buckle block grooves 144 are symmetrically provided with third sliding grooves 1410 in the inner walls thereof, the first buckle block 146 and the second buckle block 147 are fixedly connected with third sliding blocks 1411 on the surfaces thereof, and the third sliding blocks 1411 slide in the inner walls of the third sliding grooves 1410, in the moving process of the first buckle block 146 and the second buckle block 147, the third sliding blocks 1411 slide in the inner walls of the third sliding grooves 1410, which ensures the horizontal movement of the first buckle block 146 and the second buckle block 147 and improves the stability of the movement of the first buckle block 146 and the second buckle block 147.

[0040] Referring to Figure 1 and Figure 2 As shown in the figure, the control cabinet body 1 and the cabinet door body 2 are made of stainless steel material. The stainless steel material has excellent physical strength and plasticity, and can be quickly and conveniently processed into a shape. In the use process of the control cabinet body 1 and the cabinet door body 2, the shell will not easily appear concave and damaged when being extruded or collided, thereby prolonging the service life of the control cabinet body 1 and the cabinet door body 2.

[0041] Referring to Figure 3 and Figure 4 As shown in the figure, the protective baffle 122 is made of transparent plastic, so that the specific positions of the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11 can be clearly known, thereby improving the practicability of the protective baffle 122.

[0042] Embodiment two:

[0043] A control method of a diesel generator set control device applied to a test run test comprises:

[0044] A1, by sequentially pressing the first switch 7 and the second switch 8, the first switch 7 and the third switch 9, and the first switch 7 and the fourth switch 10, the control function of the diesel generator set switching "remote", "on-site" and "maintenance" is controlled, the control functions of "remote" and "on-site" modes are used for selecting the control mode of the diesel generator set; the "maintenance" mode refers to the mode when the unit fails or is periodically maintained, at this time the unit does not execute any start command;

[0045] A2, by pressing the first switch 7 and the fifth switch 11 at the same time, the "start" and "stop" of the diesel generator set are controlled;

[0046] A3, by pressing the first switch 7, the second switch 8 and the third switch 9 at the same time, the "automatic" and "manual" modes of the excitation mode are selected, in the "automatic" mode of the excitation mode, when there is a slow rotation start command and the speed is >540rpm or when there is a normal start or emergency start command and the speed is >80%, the excitation cabinet automatically remotely excites; in the "manual" mode of the excitation mode, the on-site manual excitation is performed on the excitation cabinet;

[0047] A4, by pressing the first switch 7, the third switch 9 and the fourth switch 10 at the same time, the "full speed" and "idle speed" operation modes of the diesel generator set are selected.

[0048] Working principle: the application is applied to the diesel generator control device of the test, a plurality of circuit breakers 3 are fixedly installed in the control cabinet main body 1, the PLC 4 is fixedly installed in the control cabinet main body 1 through the assembly mechanism 13, the PLC 4 is close to the control cabinet main body 1, the assembly mounting block 132 is close to the assembly mounting seat 131, the assembly mounting block 132 enters the surface groove of the assembly mounting seat 131, the second driving block 135 is rotated, the second lead screw 134 is driven to rotate in the inner wall of the assembly mounting seat 131, the threaded portion of the second lead screw 134 contacts the inner wall of the circular groove of the assembly connecting block 133, the assembly connecting block 133 is close to the assembly mounting block 132, the left side of the assembly connecting block 133 is slidably connected with the right side of the assembly mounting block 132, the control cabinet main body 1 and the PLC 4 are assembled, the second driving block 135 is reversely rotated, the assembly mounting block 132 and the assembly connecting block 133 are away from each other, the PLC 4 is conveniently removed for maintenance, the second sliding block 137 slides in the inner wall of the second sliding groove 136, the horizontal left and right movement of the assembly connecting block 133 is ensured, the assembly connecting block 133 does not deviate during movement, and the stability of the movement of the assembly connecting block 133 is improved, the relay 5 is fixedly installed in the control cabinet main body 1 through the buckle mechanism 14, the relay 5 is close to the control cabinet main body 1, the buckle mounting block 142 is close to the buckle mounting seat 141, the buckle mounting block 142 is extruded into the first buckle groove 143, the first reset spring 148 is extruded to shrink, the second reset spring 149 is reset to open, the second buckle block 147 is sent into the linkage groove 145 from the second buckle groove 144, the buckle mounting seat 141 and the buckle mounting block 142 are connected, the relay 5 is fixedly installed in the control cabinet main body 1, the second buckle block 147 is sent back into the second buckle groove 144 from the linkage groove 145, the second reset spring 149 is extruded to shrink, the first reset spring 148 is reset to open, the first buckle block 146 is moved out of the first buckle groove 143, the buckle mounting seat 141 and the buckle mounting block 142 are separated, the relay 5 is removed for maintenance, the third sliding block 1411 slides in the inner wall of the third sliding groove 1410 during the movement of the first buckle block 146 and the second buckle block 147, the horizontal movement of the first buckle block 146 and the second buckle block 147 is ensured, and the stability of the movement of the first buckle block 146 and the second buckle block 147 is improved, the baffle mechanism 12 protects the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11, the first driving block 124 is rotated, the first lead screw 123 is driven to rotate in the inner wall of the baffle mounting seat 121, the threaded portion of the first lead screw 123 contacts the inner wall of the circular groove of the protection baffle 122, the protection baffle 122 is moved upwards, the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11 are conveniently pressed by the staff for operation,The first sliding block 126 slides in the inner wall of the first sliding groove 125, ensures the horizontal up-down movement of the protective baffle 122, improves the stability of the movement of the protective baffle 122, and simultaneously presses the first switch 7 and the second switch 8, the first switch 7 and the third switch 9 and the first switch 7 and the fourth switch 10, etc., simplifies the operation of the diesel generating set test process, and improves the anti-misoperation performance.

[0049] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A control device for a diesel generator set used in commissioning tests, characterized in that, include: The control cabinet body (1), cabinet door body (2), circuit breaker (3), PLC (4), relay (5) and indicator lights (6) are rotatably connected to the right side of the control cabinet body (1). Multiple sets of circuit breakers (3) are fixedly installed inside the control cabinet body (1). PLC (4) is fixedly installed inside the control cabinet body (1). Two relays (5) are fixedly installed at equal intervals inside the control cabinet body (1), and the relays (5) are located below the PLC (4). Six indicator lights (6) are fixedly connected at equal intervals on the front surface of the cabinet door body (2). The cabinet door body (2) has a first switch (7), a second switch (8), a third switch (9), a fourth switch (10), and a fifth switch (11) fixedly connected at equal intervals on its front surface. These switches are located below the indicator light (6). By simultaneously pressing the first switch (7) and the second switch (8), the diesel generator set is put into remote operation mode. Simultaneously pressing the first switch (7) and the second switch (8) allows the diesel generator set to operate in remote mode. 7) and the third switch (9) put the diesel generator set into local operation mode. By pressing the first switch (7) and the fourth switch (10) at the same time, the diesel generator set is put into maintenance operation mode. By pressing the first switch (7) and the fifth switch (11) at the same time, the diesel generator set is switched between normal start and stop. By pressing the first switch (7), the second switch (8) and the third switch (9) at the same time, the diesel generator set is switched between automatic and manual excitation mode. By pressing the first switch (7), the third switch (9) and the fourth switch (10) at the same time, the diesel generator set is switched between rated speed and idle speed operation mode. The cabinet door body (2) is fixedly installed with a baffle mechanism (12) and an assembly mechanism (13). The baffle mechanism (12) is located in front of the first switch (7), the second switch (8), the third switch (9), the fourth switch (10) and the fifth switch (11). By rotating the baffle mechanism (12), the first switch (7), the second switch (8), the third switch (9), the fourth switch (10) and the fifth switch (11) are protected. The PLC (4) is fixedly installed inside the control cabinet body (1) by the assembly mechanism (13). The relay (5) is symmetrically fixedly installed with a snap-fit ​​mechanism (14) on both sides. By rotating the snap-fit ​​mechanism (14), the relay (5) is fixedly installed inside the control cabinet body (1).

2. The diesel generator set control device for trial operation as described in claim 1, characterized in that, The baffle mechanism (12) includes a baffle mounting seat (121), a protective baffle (122), a first lead screw (123), and a first drive block (124). The front surface of the cabinet door body (2) is fixedly connected to the baffle mounting seat (121). The protective baffle (122) is slidably installed inside the baffle mounting seat (121), and the protective baffle (122) is located in front of the first switch (7), the second switch (8), the third switch (9), the fourth switch (10), and the fifth switch (11). The inner wall of the baffle mounting seat (121) is rotatably connected to the first lead screw (123), and the threaded part of the first lead screw (123) is engaged with the inner wall of the circular groove of the protective baffle (122). The top of the first lead screw (123) is fixedly connected to the first drive block (124).

3. The diesel generator set control device for trial operation as described in claim 2, characterized in that, The baffle mechanism (12) further includes a first slide groove (125) and a first slider (126). The inner wall of the baffle mounting base (121) is symmetrically provided with the first slide groove (125). The protective baffle (122) is symmetrically fixedly connected with the first slider (126) on both sides, and the first slider (126) slides on the inner wall of the first slide groove (125).

4. The diesel generator set control device for trial operation as described in claim 1, characterized in that, The assembly mechanism (13) includes an assembly mounting base (131), an assembly mounting block (132), an assembly connecting block (133), a second lead screw (134), and a second drive block (135). The assembly mounting base (131) is symmetrically fixedly connected to the inner wall of the control cabinet body (1). The assembly mounting blocks (132) are symmetrically fixedly connected to both sides of the PLC (4). The assembly mounting base (131) is slidably installed with the assembly connecting block (133), and the left side of the assembly connecting block (133) is slidably connected to the right side of the assembly mounting block (132). The inner wall of the assembly mounting base (131) is rotatably connected with the second lead screw (134), and the threaded part of the second lead screw (134) is engaged with the inner wall of the circular groove of the assembly connecting block (133). The second drive block (135) is fixedly connected to the side of the second lead screw (134) away from the assembly mounting base (131).

5. The diesel generator set control device for trial operation as described in claim 4, characterized in that, The assembly mechanism (13) further includes a second slide groove (136) and a second slider (137). The inner wall of the assembly mounting base (131) is symmetrically provided with the second slide groove (136). The upper and lower surfaces of the assembly connecting block (133) are symmetrically fixedly connected with the second slider (137), and the second slider (137) slides on the inner wall of the second slide groove (136).

6. The diesel generator set control device for trial operation as described in claim 1, characterized in that, The latching mechanism (14) includes a latching mounting base (141), a latching mounting block (142), a first latching block groove (143), a second latching block groove (144), a linkage groove (145), a first latching block (146), a second latching block (147), a first return spring (148), and a second return spring (149). Two sets of latching mounting bases (141) are symmetrically fixedly connected to the inner wall of the control cabinet body (1). The relay (5) is symmetrically fixedly connected to both sides of the relay (5). A first latching block groove (143) is provided inside the latching mounting base (141). A second latching block groove (144) is symmetrically provided on the inner wall of the recess of the latching mounting base (141). The latching mounting block (145)... 42) A linkage groove (145) is symmetrically provided inside. A first latching block (146) is slidably connected to the inner wall of the first latching groove (143). A second latching block (147) is slidably connected to the inner wall of the second latching groove (144). The first latching block (146) and the second latching block (147) are slidably connected to the linkage groove (145). A first return spring (148) is fixedly connected to the inner wall of the first latching groove (143). One side of the first return spring (148) is fixedly connected to the side of the first latching block (146). A second return spring (149) is fixedly connected to the inner wall of the second latching groove (144). One side of the second return spring (149) is fixedly connected to the side of the second latching block (147).

7. The diesel generator set control device for trial operation as described in claim 6, characterized in that, The latching mechanism (14) further includes a third slide groove (1410) and a third slider (1411). The third slide groove (1410) is symmetrically provided on the inner walls of the first latching block groove (143) and the second latching block groove (144). The third slider (1411) is symmetrically fixedly connected to the surfaces of the first latching block (146) and the second latching block (147), and the third slider (1411) slides on the inner wall of the third slide groove (1410).

8. The diesel generator set control device for trial operation as described in claim 1, characterized in that, The outer shell of the control cabinet body (1) and the cabinet door body (2) is made of stainless steel.

9. The diesel generator set control device for trial operation as described in claim 2, characterized in that, The protective baffle (122) is made of transparent plastic.

10. The control method for the diesel generator set control device applied to test runs according to claims 1-9, characterized in that, A1, by pressing the first switch (7) and the second switch (8), the first switch (7) and the third switch (9) in sequence, and the first switch (7) and the fourth switch (10), the diesel generator set is controlled to switch between "remote", "local" and "maintenance". The control function of "remote" and "local" modes is used to select the control mode of the diesel generator set; "maintenance" mode refers to the mode when the unit fails or is under regular maintenance, at which time the unit does not execute any start command; A2, by pressing the first switch (7) and the fifth switch (11) simultaneously, the diesel generator set can be controlled to "start" and "stop". A3. By simultaneously pressing the first switch (7), the second switch (8), and the third switch (9), the excitation mode can be selected as "automatic" or "manual". When the "automatic" excitation mode is selected, the excitation cabinet will automatically remotely excite when there is a slow start command and the speed is >540rpm or when there is a normal start or emergency start command and the speed is >80%. When the "manual" excitation mode is selected, the excitation will be manually excited locally on the excitation cabinet. A4. By pressing the first switch (7), the third switch (9) and the fourth switch (10) simultaneously, the diesel generator set can be selected for "rated speed" and "idle speed" operation modes.

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