Diesel generating set control device applied to test run test and control method thereof

Abstract

The invention provides a diesel generating set control device applied to a test run test and a control method of the diesel generating set control device, is suitable for the technical field of diesel generators, and aims to provide the diesel generating set control device applied to the test run test and the control method of the diesel generating set control device. According to the technical scheme, the control cabinet comprises a control cabinet body, a cabinet door body, breakers, a PLC, relays and indicator lamps, the cabinet door body is rotationally connected to the right side of the control cabinet body, the breakers are fixedly installed in the control cabinet body, and the PLC is fixedly installed in the control cabinet body; by means of the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the baffle mechanism, the assembling mechanism and the buckling mechanism, simplified operation of the unit is achieved, functions are complete, operation is reliable, maintenance is convenient, the working intensity of operators can be greatly reduced, and the working efficiency and the mistaken touch prevention performance are improved; the invention is also applicable to the field of diesel generators.

Description

Technical Field

[0001] The present invention relates to the technical field of diesel generators, and in particular to a diesel generator set control device and a control method thereof applied to a test run. Background Art

[0002] In the operation of nuclear power plants, the rapid and stable startup of diesel generator sets is the guarantee for the safe and stable operation of nuclear power plants. Diesel generator sets play an important role in the operation of nuclear power plants. At the same time, due to the large number of functional logic loads, test equipment and data involved in the test process of diesel generator sets, the workers' operation is complicated and the work efficiency is low. The present invention aims at the technical problems of complex operation and low work efficiency in the test process of diesel generator sets, and makes technical improvements to the diesel generator set control cabinet.

[0003] Therefore, it is necessary to provide a new diesel generator set control device and control method for use in test runs to solve the above technical problems. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a diesel generator set control device and a control method thereof for use in a test run.

[0005] The diesel generator set control device provided by the present invention for commissioning test comprises: a control cabinet body, a cabinet door body, a circuit breaker, a PLC, a relay and an indicator light, wherein the right side of the control cabinet body is rotatably connected to the cabinet door body, a plurality of circuit breakers are fixedly installed inside the control cabinet body, a PLC is fixedly installed inside the control cabinet body, two relays are fixedly installed equidistantly inside the control cabinet body, and the relays are located below the PLC, six indicator lights are fixedly connected equidistantly on the front surface of the cabinet door body; a first switch, a second switch, a third switch, a fourth switch and a fifth switch, and the front surface of the cabinet door body is fixedly connected equidistantly There are a first switch, a second switch, a third switch, a fourth switch and a fifth switch, and the first switch, the second switch, the third switch, the fourth switch and the fifth switch are located below the indicator light. By pressing the first switch and the second switch at the same time, the diesel generator set is in a remote operation mode. By pressing the first switch and the third switch at the same time, the diesel generator set is in a local operation mode. By pressing the first switch and the fourth switch at the same time, the diesel generator set is in a maintenance operation mode. By pressing the first switch and the fifth switch at the same time, the diesel generator set is switched to normal start and stop. By pressing the first switch, the second switch and the third switch at the same time, the diesel generator set is switched to normal start and stop. , so that the diesel generator set switches between automatic and manual excitation modes, and by pressing the first switch, the third switch and the fourth switch at the same time, the diesel generator set switches between rated speed and idle speed operation modes; baffle mechanism, assembly mechanism and snap mechanism, the baffle mechanism is fixedly installed on the front surface of the cabinet door body, and the baffle mechanism is located in front of the first switch, the second switch, the third switch, the fourth switch and the fifth switch. By rotating the baffle mechanism, the first switch, the second switch, the third switch, the fourth switch and the fifth switch are protected. The snap mechanisms are symmetrically installed on both sides of the PLC, and the PLC is fixedly installed on the control cabinet body by rotating the snap mechanism. Inside, the relay is symmetrically fixed with snap mechanisms on both sides, and the snap mechanisms are rotated to fix the relay inside the control cabinet body, and multiple groups of circuit breakers are fixed inside the control cabinet body. The PLC is fixed inside the control cabinet body through the assembly mechanism, and the relay is fixed inside the control cabinet body through the snap mechanism. The baffle mechanism protects the first switch, the second switch, the third switch, the fourth switch and the fifth switch, and at the same time presses the first switch and the second switch, the first switch and the third switch, and the first switch and the fourth switch, etc., to simplify the operation of the diesel generator set test process and improve the anti-accidental touch performance.

[0006] Preferably, the baffle mechanism includes a baffle mounting seat, a protective baffle, a first screw rod and a first driving block, the front surface of the cabinet door body is fixedly connected to the baffle mounting seat, the protective baffle is slidably installed inside the baffle mounting seat, 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 to the first screw rod, and the threaded portion of the first screw rod is meshed with the inner wall of the circular groove of the protective baffle, the top of the first screw rod is fixedly connected to the first driving block, and the first driving block is rotated to drive the first screw rod to rotate on the inner wall of the baffle mounting seat, and the threaded portion of the first screw rod contacts the inner wall of the circular groove of the protective baffle to move the protective baffle upward, so that the staff can press the first switch, the second switch, the third switch, the fourth switch and the fifth switch to operate.

[0007] Preferably, the baffle mechanism also includes a first slide groove and a first slider. The first slide groove is symmetrically opened on the inner wall of the baffle mounting seat. The first slider is symmetrically fixedly connected on both sides of the protective baffle, and the first slider slides on the inner wall of the first slide groove. During the upward movement of the protective baffle, the first slider slides on the inner wall of the first slide groove to ensure that the protective baffle moves up and down horizontally, thereby improving the stability of the movement of the protective baffle.

[0008] Preferably, the assembly mechanism comprises an assembly mounting seat, an assembly mounting block, an assembly connecting block, a second screw rod and a second driving block, the inner wall of the control cabinet body is symmetrically fixedly connected with the assembly mounting seat, and the assembly mounting blocks are symmetrically fixedly connected on both sides of the PLC, the assembly connecting block is slidably installed inside the assembly mounting seat, 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 screw rod, and the threaded portion of the second screw rod is meshed and connected with the inner wall of the circular groove of the assembly connecting block, and the second screw rod is fixedly connected with the second driving block on the side away from the assembly mounting seat, the PLC is brought close to the inside of the control cabinet body, the assembly mounting block is brought close to the assembly mounting seat, the assembly mounting block enters the groove on the surface of the assembly mounting seat, the second driving block is rotated, and the second screw rod is driven to rotate on the inner wall of the assembly mounting seat, the threaded portion of the second screw rod contacts the inner wall of the circular groove of the assembly connecting block, the assembly connecting block is brought 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 opened for assembly, the second driving block is rotated in the opposite direction, the assembly mounting block and the assembly connecting block are far away from each other, so that the PLC is conveniently removed for inspection and maintenance.

[0009] Preferably, the assembly mechanism also includes a second slide groove and a second slider, the inner wall of the assembly mounting seat is symmetrically provided with a second slide groove, the upper and lower surfaces of the assembly connecting block are symmetrically fixedly connected with a second slider, and the second slider slides on the inner wall of the second slide groove, and during the movement of the assembly connecting block, the second slider slides on the inner wall of the second slide groove to ensure that the assembly connecting block moves horizontally left and right, and no offset will occur during the movement of the assembly connecting block, thereby improving the stability of the movement of the assembly connecting block.

[0010] Preferably, the buckle mechanism comprises a buckle mounting seat, a buckle mounting block, a first buckle groove, a second buckle groove, a linkage groove, a first buckle block, a second buckle block, a first return spring and a second return spring, two groups of buckle mounting seats are symmetrically fixedly connected to the inner wall of the control cabinet body, buckle mounting blocks are symmetrically fixedly connected on both sides of the relay, a first buckle groove is provided inside the buckle mounting seat, a second buckle groove is symmetrically provided on the inner wall of the buckle mounting seat groove, a linkage groove is symmetrically provided inside the buckle mounting block, the first buckle block is slidably connected to the inner wall of the first buckle groove, the second buckle block is slidably connected to the inner wall of the second buckle groove, and the first buckle block and the second buckle block are slidably connected to the linkage groove, the first buckle groove is fixedly connected to the inner wall of the first buckle groove, and one side of the first return spring is connected to the first buckle block The side is fixedly connected, and a second return spring is fixedly connected to the inner wall of the second block groove, and one side of the second return spring is fixedly connected to the side of the second buckle block. The relay is moved close to the inside of the control cabinet body, and the buckle mounting block is moved close to the buckle mounting seat. The buckle mounting block squeezes the first buckle block into the first block groove, and the first buckle block squeezes the first return spring to contract, and the second return spring is reset and opened. The second buckle block is sent from the second block groove into the linkage groove, and the buckle mounting seat and the buckle mounting block are connected. The relay is fixedly installed in the control cabinet body, and the second buckle block is sent from the linkage groove back to the second block groove. The second return spring is squeezed and contracted, and the first return spring is reset and opened. The first buckle block is moved out of the first block groove, and the buckle mounting seat and the buckle mounting block are separated, and the relay is removed for maintenance.

[0011] Preferably, the buckle mechanism also includes a third slide groove and a third slider, the inner walls of the first block groove and the second block groove are symmetrically provided with a third slide groove, the surfaces of the first buckle block and the second buckle block are symmetrically fixedly connected with a third slider, and the third slider slides on the inner wall of the third slide groove, and during the movement of the first buckle block and the second buckle block, the third slider slides on the inner wall of the third slide groove to ensure that the first buckle block and the second buckle block move horizontally, and no offset will occur during the movement, thereby improving the stability of the movement of the first buckle block and the second buckle block.

[0012] Preferably, the control cabinet body and the cabinet door body shell are made of stainless steel material. Stainless steel material has excellent physical strength and plasticity, and is convenient and quick to process and shape. During the use of the control cabinet body and the cabinet door body, when the shell is squeezed or collided, it will not easily become dented or damaged, thereby extending the service life of the control cabinet body and the cabinet door body.

[0013] Preferably, the protective baffle is made of transparent plastic, so that the specific positions of the first switch, the second switch, the third switch, the fourth switch and the fifth switch can be clearly seen, thereby improving the practicality of the protective baffle.

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

[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 simultaneously in sequence, the diesel generator set is controlled to switch between "remote", "local" and "maintenance". The control functions of the "remote" and "local" modes are used to select the control mode of the diesel generator set; the "maintenance" mode refers to the mode when the unit fails or is under regular maintenance, and the unit does not execute any start command at this time;

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

[0017] A3, by pressing the first switch, the second switch and the third switch at the same time, the "automatic" and "manual" modes of excitation are selected. In the "automatic" 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 automatically remotely excites; in the "manual" mode, the excitation is manually excited locally on the excitation cabinet;

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

[0019] Compared with the related art, the diesel generator set control device and control method provided by the present invention for use in a test run have the following beneficial effects:

[0020] The present invention provides a diesel generator set control device and a control method thereof for use in a test run:

[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 snap mechanism, the simplified operation of the unit, the complete functions, the reliable operation and the easy maintenance can be achieved, which can greatly reduce the work intensity of the operators, improve the work efficiency and the anti-mistouch performance.

[0022] 2. The control cabinet body and the cabinet door body shell are made of stainless steel. Stainless steel has excellent physical strength and plasticity, and is easy to process and shape quickly. When the control cabinet body and the cabinet door body are used, the shell will not easily be dented or damaged when it is squeezed or collided, which extends the service life of the control cabinet body and the cabinet door body.

[0023] 3. Since 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 seen, thereby improving the practicality of the protective baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 One of the overall structural schematic diagrams provided by the present invention;

[0025] Figure 2 The second schematic diagram of the overall structure provided by the present invention;

[0026] Figure 3 This is an enlarged schematic diagram of the cabinet door body provided by the present invention;

[0027] Figure 4 A schematic diagram of the baffle mechanism structure provided by the present invention;

[0028] Figure 5 A schematic diagram of the assembly mechanism structure provided by the present invention;

[0029] Figure 6 This is a schematic diagram of the buckle mechanism structure provided by the present invention.

[0030] Numbers in the figure: 1, control cabinet 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 screw rod; 124, first driving block; 125, first slide groove; 126, first slide block; 13, assembly mechanism; 131, assembly mounting seat; 132, assembly Mounting block; 133, assembly connection block; 134, second screw rod; 135, second driving block; 136, second slide groove; 137, second slider; 14, snap mechanism; 141, snap mounting seat; 142, snap mounting block; 143, first snap block groove; 144, second snap block groove; 145, linkage groove; 146, first snap block; 147, second snap block; 148, first return spring; 149, second return spring; 1410, third slide groove; 1411, third slider. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The diesel generator control device used for the test run includes: a control cabinet body 1, a cabinet door body 2, a circuit breaker 3, a PLC 4, a relay 5 and an indicator light 6. The right side of the control cabinet body 1 is rotatably connected to the cabinet door body 2. Multiple groups of circuit breakers 3 are fixedly installed inside the control cabinet body 1. The PLC 4 is fixedly installed inside the control cabinet body 1. Two relays 5 are fixedly installed equidistantly inside the control cabinet body 1, and the relays 5 are located below the PLC 4. Six indicator lights 6 are fixedly connected equidistantly on the front surface of the cabinet door body 2; a first switch 7, a second switch 8, a third switch 9, a fourth switch 10 and a fifth switch 11; the front surface of the cabinet door body 2 is fixedly connected with the first switch 7, the second The first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11 are located below the indicator light 6. By pressing the first switch 7 and the second switch 8 at the same time, the diesel generator set is in the remote operation mode. By pressing the first switch 7 and the third switch 9 at the same time, the diesel generator set is in the local operation mode. By pressing the first switch 7 and the fourth switch 10 at the same time, the diesel generator set is in the maintenance operation mode. By pressing the first switch 7 and the fifth switch 11 at the same time, the diesel generator set is switched to 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 to automatic operation. The diesel generator set can be switched between rated speed and idle speed operation modes by pressing the first switch 7, the third switch 9 and the fourth switch 10 at the same time; the baffle mechanism 12, the assembly mechanism 13 and the buckle mechanism 14, the front surface of the cabinet door body 2 is fixedly installed with a baffle mechanism 12, and 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 buckle mechanism 14 is symmetrically installed on both sides of the PLC4. By rotating the buckle mechanism 14, the PLC4 is fixedly installed inside the control cabinet body 1. The relay 5 is symmetrically fixed with snap mechanisms 14 on both sides. The snap mechanisms 14 are rotated to fix the relay 5 inside the control cabinet body 1, and the multiple groups of circuit breakers 3 are fixedly installed inside the control cabinet body 1. The PLC4 is fixedly installed inside the control cabinet body 1 through the assembly mechanism 13, and the relay 5 is fixedly installed inside the control cabinet body 1 through the snap mechanism 14. 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, and at the same time 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., to simplify the operation of the diesel generator set test process and improve the anti-mistouch performance.

[0033] Embodiment 1:

[0034] In the specific implementation process, Figure 3 and Figure 4 As shown, the baffle mechanism 12 includes a baffle mounting seat 121, a protective baffle 122, a first screw rod 123 and a first driving block 124. The front surface of the cabinet door body 2 is fixedly connected to the baffle mounting seat 121, and the protective baffle 122 is slidably installed inside the baffle mounting seat 121. 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 screw rod 123, and the first screw rod 123 is rotatably connected to the first switch 7, the second switch 8, the third switch 9, the fourth switch 10 and the fifth switch 11. A threaded portion of a screw rod 123 is meshed with the inner wall of the circular groove of the protective baffle 122, and a first driving block 124 is fixedly connected to the top of the first screw rod 123. The first driving block 124 is rotated to drive the first screw rod 123 to rotate on the inner wall of the baffle mounting seat 121. The threaded portion of the first screw rod 123 contacts the inner wall of the circular groove of the protective baffle 122, and the protective baffle 122 is moved upward, making it convenient for 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 to operate.

[0035] refer to Figure 4 As shown, the baffle mechanism 12 also includes a first slide groove 125 and a first slider 126. The first slide groove 125 is symmetrically opened on the inner wall of the baffle mounting seat 121. The first sliders 126 are symmetrically fixedly connected on both sides of the protective baffle 122, and the first slider 126 slides on the inner wall of the first slide groove 125. When the protective baffle 122 moves upward, the first slider 126 slides on the inner wall of the first slide groove 125, ensuring that the protective baffle 122 moves up and down horizontally, thereby improving the stability of the movement of the protective baffle 122.

[0036] refer to Figure 2 and Figure 5As shown, the assembly mechanism 13 includes an assembly mounting seat 131, an assembly mounting block 132, an assembly connecting block 133, a second screw rod 134 and a second driving block 135. The inner wall of the control cabinet body 1 is symmetrically fixedly connected with the assembly mounting seat 131, and the PLC4 is symmetrically fixedly connected with the assembly mounting blocks 132 on both sides. The assembly connecting block 133 is slidably installed inside 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 inner wall of the assembly mounting seat 131 is rotatably connected with the second screw rod 134, and the threaded portion of the second screw rod 134 is meshed and connected with the inner wall of the circular groove of the assembly connecting block 133. The second screw rod 134 is fixedly connected to the side away from the assembly mounting seat 131. A second driving block 135 is connected, and the PLC4 is brought close to the inside of the control cabinet body 1, and the assembly and mounting block 132 is brought close to the assembly and mounting seat 131, and the assembly and mounting block 132 enters the groove on the surface of the assembly and mounting seat 131, and the second driving block 135 is rotated to drive the second screw rod 134 to rotate on the inner wall of the assembly and mounting seat 131, and the threaded part of the second screw rod 134 contacts the inner wall of the circular groove of the assembly connecting block 133, and the assembly connecting block 133 is brought close to the assembly and mounting block 132, and the left side of the assembly connecting block 133 is slidably connected with the right side of the assembly connecting block 132, and the control cabinet body 1 and the PLC4 are assembled, and the second driving block 135 is rotated in the opposite direction, and the assembly and mounting block 132 and the assembly connecting block 133 are kept away from each other, so that the PLC4 can be removed conveniently for inspection and maintenance.

[0037] refer to Figure 5 As shown, the assembly mechanism 13 also includes a second slide groove 136 and a second slider 137. The inner wall of the assembly mounting seat 131 is symmetrically provided with a 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. During the movement of the assembly connecting block 133, the second slider 137 slides on the inner wall of the second slide groove 136 to ensure that the assembly connecting block 133 moves horizontally to the left and right. During the movement of the assembly connecting block 133, no deviation will occur, thereby improving the stability of the movement of the assembly connecting block 133.

[0038] refer to Figure 2 and Figure 6As shown, the buckle mechanism 14 includes a buckle mounting seat 141, a buckle mounting block 142, a first block groove 143, a second block groove 144, a linkage groove 145, a first buckle block 146, a second buckle block 147, a first return spring 148 and a second return spring 149. The inner wall of the control cabinet body 1 is symmetrically fixedly connected with two groups of buckle mounting seats 141, and the buckle mounting blocks 142 are symmetrically fixedly connected on both sides of the relay 5. The buckle mounting seat 141 is provided with a first block groove 143. The buckle mounting The inner wall of the groove of the mounting seat 141 is symmetrically provided with a second clamping block groove 144, and the buckle mounting block 142 is symmetrically provided with a linkage groove 145. The inner wall of the first clamping block groove 143 is slidably connected with a first clamping block 146, and the inner wall of the second clamping block groove 144 is slidably connected with a second clamping block 147, and the first clamping block 146 and the second clamping block 147 are slidably connected with the linkage groove 145, and the inner wall of the first clamping block groove 143 is fixedly connected with a first return spring 148, and one side of the first return spring 148 is connected to the first clamping block 1 46 side, the second clamping block groove 144 inner wall is fixedly connected with the second return spring 149, and one side of the second return spring 149 is fixedly connected with the side of the second buckle block 147, the relay 5 is close to the inside of the control cabinet body 1, the buckle mounting block 142 is close to the buckle mounting seat 141, the buckle mounting block 142 squeezes the first buckle block 146 into the first clamping block groove 143, the first buckle block 146 squeezes the first return spring 148 to contract, the second return spring 149 is reset and opened, and the second buckle block 147 is closed. Send it from the second block groove 144 into the linkage groove 145, open a connection between the buckle mounting seat 141 and the buckle mounting block 142, fix the relay 5 inside the control cabinet body 1, send the second buckle block 147 from the linkage groove 145 back to the second block groove 144, the second return spring 149 is squeezed and contracted, the first return spring 148 is reset and opened, the first buckle block 146 is moved out of the first 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] refer to Figure 6 As shown, the buckle mechanism 14 also includes a third slide groove 1410 and a third slider 1411. The inner walls of the first block groove 143 and the second block groove 144 are symmetrically provided with the third slide groove 1410. The surfaces of the first buckle block 146 and the second buckle block 147 are symmetrically fixedly connected with the third slider 1411, and the third slider 1411 slides on the inner wall of the third slide groove 1410. During the movement of the first buckle block 146 and the second buckle block 147, the third slider 1411 slides on the inner wall of the third slide groove 1410 to ensure that the first buckle block 146 and the second buckle block 147 move horizontally. During the movement, no offset will occur, thereby improving the stability of the movement of the first buckle block 146 and the second buckle block 147.

[0040] refer to Figure 1 and Figure 2 As shown, the outer shell of the control cabinet body 1 and the cabinet door body 2 is made of stainless steel material. The stainless steel material has excellent physical strength and plasticity, and is convenient and quick to process and shape. During the use of the control cabinet body 1 and the cabinet door body 2, when the outer shell is squeezed or collided, it will not easily become dented or damaged, thereby extending the service life of the control cabinet body 1 and the cabinet door body 2.

[0041] refer to Figure 3 and Figure 4 As shown, 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 seen, thereby improving the practicality of the protective baffle 122 .

[0042] Embodiment 2:

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

[0044] A1, by 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 simultaneously in sequence, the diesel generator set is controlled to switch between "remote", "local" and "maintenance". The control functions of the "remote" and "local" modes are used to select the control mode of the diesel generator set; the "maintenance" mode refers to the mode when the unit fails or is under regular maintenance, and the unit does not execute any start command at this time;

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

[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 excitation are selected. When the "automatic" mode is selected, when there is a slow start command and the speed is greater than 540rpm or when there is a normal start or emergency start command and the speed is greater than 80%, the excitation cabinet automatically remotely excites; when the "manual" mode is selected, the excitation cabinet is manually excited locally;

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

[0048] Working principle: When the diesel generator control device of the present invention is used for test run, multiple circuit breakers 3 are fixedly installed inside the control cabinet body 1, and the PLC4 is fixedly installed inside the control cabinet body 1 through the assembly mechanism 13. The PLC4 is brought close to the inside of the control cabinet body 1, and the assembly mounting block 132 is brought close to the assembly mounting seat 131. The assembly mounting block 132 enters the surface groove of the assembly mounting seat 131, and the second driving block 135 is rotated to drive the second screw rod 134 to rotate on the inner wall of the assembly mounting seat 131. The threaded part of the second screw rod 134 contacts the inner wall of the circular groove of the assembly connecting block 133. The assembly connecting block 133 is brought close to the assembly mounting block 132, and the left side of the assembly connecting block 133 is slidably connected with the right side of the assembly mounting block 132, so that the control The cabinet body 1 and the PLC4 are assembled, and the second driving block 135 is rotated in the opposite direction, and the assembly mounting block 132 and the assembly connecting block 133 are separated, so that the PLC4 can be removed conveniently for inspection and maintenance. The second slider 137 slides on the inner wall of the second slide groove 136 to ensure that the assembly connecting block 133 moves horizontally left and right. During the movement of the assembly connecting block 133, no deviation will occur, thereby improving the stability of the movement of the assembly connecting block 133. The relay 5 is fixedly installed inside the control cabinet body 1 through the buckle mechanism 14, and the relay 5 is brought close to the inside of the control cabinet body 1. The buckle mounting block 142 is close to the buckle mounting seat 141, and the buckle mounting block 142 squeezes the first buckle block 146 into the first block groove 143. The first buckle block 146 squeezes the first buckle block 146. The positioning spring 148 contracts, the second return spring 149 returns and opens, the second buckle block 147 is sent from the second block groove 144 into 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 control cabinet body 1, the second buckle block 147 is sent from the linkage groove 145 back to the second block groove 144, the second return spring 149 is squeezed and contracted, the first return spring 148 returns and opens, the first buckle block 146 is moved out of the first block groove 143, the buckle mounting seat 141 and the buckle mounting block 142 are separated, the relay 5 is dismantled for maintenance, and during the movement of the first buckle block 146 and the second buckle block 147, the third slider 1411 is in the third slide groove 14 10, the inner wall slides to ensure that the first snap block 146 and the second snap block 147 move horizontally. During the movement, there will be no deviation, which improves the stability of the movement of the first snap block 146 and the second snap block 147. 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 to drive the first screw rod 123 to rotate on the inner wall of the baffle mounting seat 121. The threaded portion of the first screw rod 123 contacts the inner wall of the circular groove of the protective baffle 122, and the protective baffle 122 is moved upward, which is convenient for 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 to operate. During the upward movement of the protective baffle 122,The first slider 126 slides on the inner wall of the first slide groove 125 to ensure that the protective baffle 122 moves horizontally up and down, thereby improving the stability of the movement of the protective baffle 122 and pressing the first switch 7 and the second switch 8, the first switch 7 and the third switch 9, the first switch 7 and the fourth switch 10, etc., to simplify the operation of the diesel generator set test process and improve the anti-mistouch performance.

[0049] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A diesel generator set control device used in a test run, characterized in that: include: A control cabinet body (1), a cabinet door body (2), a circuit breaker (3), a PLC (4), a relay (5) and an indicator light (6); the right side of the control cabinet body (1) is rotatably connected to the cabinet door body (2); a plurality of circuit breakers (3) are fixedly installed inside the control cabinet body (1); a 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); and six indicator lights (6) are fixedly connected at equal intervals on the front surface of the cabinet door body (2); The first switch (7), the second switch (8), the third switch (9), the fourth switch (10) and the fifth switch (11) are fixedly connected to the front surface of the cabinet door body (2) at equal intervals, and the first switch (7), the second switch (8), the third switch (9), the fourth switch (10) and the fifth switch (11) are located below the indicator light (6). By pressing the first switch (7) and the second switch (8) at the same time, the diesel generator set is placed in a remote operation mode. By pressing the first switch (7) and the second switch (8) at the same time, the diesel generator set is placed in a remote operation mode. By pressing the first switch (7) and the third switch (9) at the same time, the diesel generator set is put into the 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 the 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 modes; 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 modes; A baffle mechanism (12), an assembly mechanism (13) and a snap mechanism (14); the baffle mechanism (12) is fixedly mounted on the front surface of the cabinet door body (2), and the baffle mechanism (12) is located in front of a first switch (7), a second switch (8), a third switch (9), a fourth switch (10) and a fifth switch (11); the baffle mechanism (12) is rotated to protect the first switch (7), the second switch (8), the third switch (9), the fourth switch (10) and the fifth switch (11); the snap mechanisms (14) are symmetrically mounted on both sides of the PLC (4); the PLC (4) is fixedly mounted inside the control cabinet body (1) by rotating the snap mechanisms (14); the snap mechanisms (14) are symmetrically fixedly mounted on both sides of the relay (5); the relay (5) is fixedly mounted inside the control cabinet body (1) by rotating the snap mechanisms (14).

2. The diesel generator set control device for test run according to claim 1, characterized in that: The baffle mechanism (12) comprises a baffle mounting seat (121), a protective baffle (122), a first screw rod (123) and a first driving block (124); the baffle mounting seat (121) is fixedly connected to the front surface of the cabinet door body (2); the protective baffle (122) is slidably mounted 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 screw rod (123), and the threaded portion of the first screw rod (123) is meshedly connected to the inner wall of the circular groove of the protective baffle (122); and the top of the first screw rod (123) is fixedly connected to the first driving block (124).

3. The diesel generator set control device for test run according to claim 2 is characterized in that: The baffle mechanism (12) further comprises a first slide groove (125) and a first slider (126); the inner wall of the baffle mounting seat (121) is symmetrically provided with the first slide groove (125); the first sliders (126) are symmetrically fixedly connected to both sides of the protective baffle (122); and the first sliders (126) slide on the inner wall of the first slide groove (125).

4. The diesel generator set control device for test run according to claim 1, characterized in that: The assembly mechanism (13) comprises an assembly mounting seat (131), an assembly mounting block (132), an assembly connecting block (133), a second screw rod (134) and a second driving block (135); the inner wall of the control cabinet body (1) is symmetrically fixedly connected with the assembly mounting seat (131); the two sides of the PLC (4) are symmetrically fixedly connected with the assembly mounting blocks (132); the assembly connecting block (133) is slidably installed inside the assembly mounting seat (131); the left side of the assembly connecting block (133) is slidably connected with the right side of the assembly mounting block (132); the inner wall of the assembly mounting seat (131) is rotatably connected with the second screw rod (134); the threaded portion of the second screw rod (134) is meshedly connected with the inner wall of the circular groove of the assembly connecting block (133); the second driving block (135) is fixedly connected to the side of the second screw rod (134) away from the assembly mounting seat (131).

5. The diesel generator set control device for test run according to claim 4, characterized in that: The assembly mechanism (13) further comprises a second slide groove (136) and a second slider (137); the inner wall of the assembly mounting seat (131) is symmetrically provided with the second slide groove (136); the upper and lower surfaces of the assembly connection 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 test run according to claim 1, characterized in that: The buckle mechanism (14) comprises a buckle mounting seat (141), a buckle mounting block (142), a first buckle block groove (143), a second buckle block groove (144), a linkage groove (145), a first buckle block (146), a second buckle block (147), a first reset spring (148) and a second reset spring (149); the inner wall of the control cabinet body (1) is symmetrically fixedly connected with two groups of buckle mounting seats (141); the two sides of the relay (5) are symmetrically fixedly connected with the buckle mounting blocks (142); the buckle mounting seat (141) is provided with a first buckle block groove (143); the inner wall of the groove of the buckle mounting seat (141) is symmetrically provided with a second buckle block groove (144); the buckle mounting blocks (141) are symmetrically fixedly connected with the second buckle block groove (144); 42) has a linkage groove (145) symmetrically provided inside, the first clamping block groove (143) is slidably connected to the inner wall of the first clamping block groove (143), the second clamping block (147) is slidably connected to the inner wall of the second clamping block groove (144), and the first clamping block (146) and the second clamping block (147) are slidably connected to the linkage groove (145), the first clamping block groove (143) is fixedly connected to the inner wall of the first clamping block groove (143), and one side of the first clamping spring (148) is fixedly connected to the side of the first clamping block (146), the second clamping block groove (144) is fixedly connected to the inner wall of the second clamping block groove (144), and one side of the second clamping spring (149) is fixedly connected to the side of the second clamping block (147).

7. The diesel generator set control device for test run according to claim 6, characterized in that: The buckle mechanism (14) further comprises a third slide groove (1410) and a third slider (1411); the inner walls of the first clamping block groove (143) and the second clamping block groove (144) are symmetrically provided with the third slide groove (1410); the surfaces of the first clamping block (146) and the second clamping block (147) are symmetrically fixedly connected with the third slider (1411); and the third slider (1411) slides on the inner wall of the third slide groove (1410).

8. The diesel generator set control device for test run according to claim 1, characterized in that: The control cabinet body (1) and the cabinet door body (2) are made of stainless steel.

9. The diesel generator set control device for test run according to claim 2, characterized in that: The protective baffle (122) is made of transparent plastic.

10. The control method of the diesel generator set control device applied to the test run 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), and the first switch (7) and the fourth switch (10) simultaneously in sequence, the diesel generator set is controlled to switch between "remote", "local" and "maintenance". The control functions of the "remote" and "local" modes are used to select the control mode of the diesel generator set; the "maintenance" mode refers to the mode when the set fails or is undergoing regular maintenance, and the set does not execute any start command at this time; A2, by pressing the first switch (7) and the fifth switch (11) at the same time, the diesel generator set is controlled to start and stop; A3, by pressing the first switch (7), the second switch (8) and the third switch (9) simultaneously, the "automatic" and "manual" excitation modes are selected. When the "automatic" excitation mode is selected, when there is a slow start command and the speed is greater than 540 rpm or when there is a normal start or emergency start command and the speed is greater than 80%, the excitation cabinet automatically remotely excites; when the "manual" excitation mode is selected, the excitation is manually applied locally on the excitation cabinet; A4, by pressing the first switch (7), the third switch (9) and the fourth switch (10) at the same time, the "rated speed" and "idle speed" operating modes of the diesel generator set are selected.

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