CN220962217U - Centralized and distributed control device for underwater equipment of hoist - Google Patents
Centralized and distributed control device for underwater equipment of hoist Download PDFInfo
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- CN220962217U CN220962217U CN202322848656.6U CN202322848656U CN220962217U CN 220962217 U CN220962217 U CN 220962217U CN 202322848656 U CN202322848656 U CN 202322848656U CN 220962217 U CN220962217 U CN 220962217U
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- electricity
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- slave station
- hoist
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- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 14
- 238000012806 monitoring device Methods 0.000 claims description 13
- 238000007654 immersion Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a centralized and distributed control device for an underwater device of a hoist, which comprises a centralized management unit and an underwater device control cabinet, wherein a first intermediate relay, a second intermediate relay, a communication module, a PLC slave station module, an execution unit and a soaking detection module are arranged in the underwater device control cabinet, the centralized management unit is electrically connected with the execution unit through the first intermediate relay, the centralized management unit is electrically connected with the PLC slave station module through the communication module, the PLC slave station module is electrically connected with the execution unit through the second intermediate relay, and the soaking detection module is electrically connected with the centralized management unit through the PLC slave station module and the communication module, so that the operation safety of the underwater device and components is ensured.
Description
Technical Field
The utility model belongs to the technical field of hydropower stations, and particularly relates to a centralized and distributed control device for an underwater device of a hoist.
Background
The existing control scheme of the hydropower station hoist underwater equipment adopts the scheme that a sealing tank is arranged on the underwater equipment, signal cables of all the underwater equipment are collected in the sealing tank and then transmitted to a hoist control system through a cable, and the control system of the hoist is used for controlling the control mode, and the main defects of the control mode are as follows:
(1) At present, a small-sized sealing tank is adopted to carry out switching on the cable, the water leakage detection function is not achieved, and when the equipment leaks, an alarm cannot be given in time, so that the conditions of affecting the safe operation of the equipment, such as short circuit, component burning and the like, occur frequently.
(2) The hoist control system is adopted to control the underwater equipment, and when the control system fails, the underwater equipment does not have the capability of independent operation.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a centralized and distributed control device for an underwater device of a hoist.
The specific scheme is as follows:
The centralized and distributed control device for the underwater equipment of the headstock gear comprises a centralized management unit and an underwater equipment control cabinet, wherein a first intermediate relay, a second intermediate relay, a communication module, a PLC slave station module, an execution unit and a soaking detection module are arranged in the underwater equipment control cabinet, the centralized management unit is electrically connected with the execution unit through the first intermediate relay, the centralized management unit is electrically connected with the PLC slave station module through the communication module, the PLC slave station module is electrically connected with the execution unit through the second intermediate relay, and the soaking detection module is electrically connected with the centralized management unit through the PLC slave station module and the communication module.
Still be provided with distribution unit in the subsea equipment switch board, distribution unit includes circuit breaker and switching power supply, PLC slave station module, communication module and submergence detection module all are connected with the switching power supply electricity, the switching power supply with the circuit breaker electricity is connected, the circuit breaker with the execution unit electricity is connected, the execution unit includes solenoid valve and contactor, the contactor with the circuit breaker electricity is connected.
Still be provided with full stroke sensor and proximity switch in the subsea equipment switch cabinet, full stroke sensor and proximity switch all are connected with PLC slave station module electricity, still be provided with the sensor on the subsea equipment switch cabinet and connect, temperature full stroke sensor and proximity switch still are connected with the sensor and connect the electricity, full stroke sensor and proximity switch still all are connected with switching power supply electricity.
Still be provided with temperature and humidity detection module in the subsea equipment switch board, heater and cooling tube, cooling tube and subsea equipment switch board structure as an organic whole, temperature and humidity detection module and heater all are connected with PLC slave station module electricity, the heater is connected with the circuit breaker electricity, temperature and humidity detection module is connected with the switching power supply electricity, temperature and humidity detection module is temperature and humidity sensor.
The underwater equipment control cabinet comprises a cabinet body and a cabinet door, wherein the cabinet door is in sealing connection with the cabinet body, a cable joint is arranged on the cabinet body, a deep water trailing cable is arranged on the cable joint, the cable joint is electrically connected with the centralized management unit through the deep water trailing cable, and the first intermediate relay and the communication module are electrically connected with the cable joint.
The centralized management unit comprises a control handle and an upper computer monitoring device, wherein the control handle and the upper computer monitoring device are electrically connected with the underwater equipment control cabinet, and the upper computer monitoring device is connected with a PC.
The water immersion detection module is a water immersion sensor, the PLC slave station module is a PLC, and the communication module is an Ethernet card.
The utility model discloses a centralized and distributed control device for an underwater device of a hoist, which is characterized in that a water immersion monitoring module is arranged in the control of the underwater device to timely detect whether water leakage exists in the device, and a water leakage signal is transmitted to a centralized management unit through a PLC slave station module and a communication module, so that the centralized management unit can timely alarm and maintain, and a hardware support is provided for guaranteeing the safe and stable operation of the underwater device;
In addition, be provided with first intermediate relay and second intermediate relay in the subsea equipment switch board, first intermediate relay and second intermediate relay independently operate, when PLC from the station breaks down, when unable control execution unit through the second intermediate relay, centralized management unit can be through the action of first intermediate relay control execution unit, can independently carry out operation control to subsea equipment, for the safe and stable operation of guarantee subsea equipment provides the hardware support.
Drawings
Fig. 1 is a schematic view of the overall framework of the present utility model.
Fig. 2 is a schematic diagram of the power distribution of the subsea equipment control cabinet.
Fig. 3 is a schematic structural view of an underwater equipment control cabinet.
Fig. 4 is a layout of elements within an underwater equipment control cabinet.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. It will be apparent to those skilled in the art that the described embodiments are only a part, but not all, of the implementations of the utility model, and that all other embodiments, based on which those skilled in the art will come to lie within the scope of the utility model without making any inventive effort.
As shown in fig. 1, the centralized and distributed control device for the underwater equipment of the hoist comprises a centralized management unit 1 and an underwater equipment control cabinet, wherein a first intermediate relay 5, a second intermediate relay 8, a communication module 6, a PLC slave station module 7, an execution unit 13 and a soaking detection module 9 are arranged in the underwater equipment control cabinet, the centralized management unit 1 is electrically connected with the execution unit 13 through the first intermediate relay 5, the centralized management unit 1 is electrically connected with the PLC slave station module 7 through the communication module 6, the PLC slave station module 7 is electrically connected with the execution unit 13 through the second intermediate relay 8, and the soaking detection module 9 is electrically connected with the centralized management unit 1 through the PLC slave station module 7 and the communication module 6.
The underwater equipment control cabinet is used for placing the elements required by the underwater equipment control and the line concentration of the communication cable, and is fixed to the proper position of the underwater equipment through the support.
As shown in fig. 1 to 2, a power distribution unit is further disposed in the underwater equipment control cabinet, the power distribution unit includes a circuit breaker 19 and a switch power supply 20, the PLC slave station module 7, the communication module 6 and the immersion detection module 9 are all electrically connected with the switch power supply 20, the switch power supply 20 is electrically connected with the circuit breaker 19, the circuit breaker 19 is electrically connected with the execution unit 13, the execution unit 13 includes a solenoid valve 15 and a contactor 14, and the contactor 14 is electrically connected with the circuit breaker 19. The circuit breaker provides overload and short-circuit protection for the whole device, the circuit breaker 19 is connected with an alternating current power supply, the alternating current power supply is AC220V or AC380V, and the switching power supply converts alternating current into 24V direct current to provide proper working voltage for internal components controlled by underwater equipment.
As shown in fig. 2 to 3, a full-stroke sensor 11 and a proximity switch 12 are further disposed in the underwater equipment control cabinet, the full-stroke sensor 11 and the proximity switch 12 are electrically connected with the PLC slave station module 7, a sensor connector 16 is further disposed on the underwater equipment control cabinet, the temperature full-stroke sensor 11 and the proximity switch 12 are further electrically connected with the sensor connector 16, the full-stroke sensor 11 and the proximity switch 12 are further electrically connected with a switching power supply 20, and the full-stroke sensor 11 is an oil cylinder stroke sensor.
The full-stroke sensor 11 and the proximity switch 12 are connected to the outside of the underwater equipment control cabinet through a sensor connector 16, the full-stroke sensor 11 is used for detecting the stroke of the underwater equipment control cabinet under water, and the proximity switch 12 is used for detecting whether the underwater equipment control cabinet approaches to an underwater working point. The sensor connector 16 provides the working voltage for the full-stroke sensor 11 and the proximity switch 12 on the one hand, and also provides the working voltage transmission detection signal for the full-stroke sensor 11 and the proximity switch 12 to the PLC slave station module 7, and the PLC slave station module 7 transmits the received signal to the upper computer monitoring device 3 through the communication module 6.
As shown in fig. 3 to 4, the underwater equipment control cabinet is further provided with a temperature and humidity detection module 10, a heater 21 and a radiating pipe 17, the radiating pipe 17 and the underwater equipment control cabinet are of an integrated structure, the temperature and humidity detection module 10 and the heater 21 are electrically connected with the PLC slave station module 7, the heater 21 is electrically connected with the circuit breaker 19, the temperature and humidity detection module 10 is electrically connected with the switching power supply 20, and the temperature and humidity detection module 10 is a temperature and humidity sensor.
As shown in fig. 3, the underwater equipment control cabinet comprises a cabinet body 22 and a cabinet door 18, the cabinet door 18 is in sealing connection with the cabinet body 22, a cable joint 23 is arranged on the cabinet body 22, a deepwater trailing cable 4 is arranged on the cable joint 23, the cable joint 23 is electrically connected with the centralized management unit 1 through the deepwater trailing cable 4, and the first intermediate relay 5 and the communication module 6 are electrically connected with the cable joint 23.
In order to ensure that the centralized and distributed control device of the hoist underwater equipment can normally work underwater, the surface between the sealing door of the control cabinet of the underwater equipment and the cabinet body is subjected to finish machining, hydraulic and pneumatic O-shaped sealing rubber rings are selected for sealing, the sealing door can be opened, and the sealing door and the cabinet body are tightly pressed by bolts for sealing.
In this embodiment, the underwater equipment control cabinet is preferably rectangular, the size is 600x500x1100mm, the side surface of the cabinet body of the underwater equipment control cabinet is provided with screw interfaces of M22x1.5 and M27x1.5 according to the type of the sensor, and the top of the cabinet body is provided with a cable connector 23 connected with a deepwater retinue cable plug for connecting the deepwater retinue cable.
The control cabinet of the underwater equipment adopts a completely sealed design, so that the control cabinet can normally work under water of 100 meters, a heater 21 and a drying agent are arranged in the control cabinet, a good running environment is created for components in the control cabinet, meanwhile, a radiating pipe 17 is arranged on the side face of the control cabinet body, and the radiating pipe 17 and the cabinet body are designed integrally, so that the control cabinet has good sealing and radiating effects.
The centralized management unit 1 comprises a control handle 2 and an upper computer monitoring device 3, wherein the control handle 2 and the upper computer monitoring device 3 are electrically connected with an underwater equipment control cabinet, and the upper computer monitoring device 3 is a PC.
The immersion detection module 9 is a water immersion sensor, the PLC slave station module 7 is a PLC, and the communication module 6 is an Ethernet card.
The specific working process of the centralized and distributed control device for the hoist underwater equipment is as follows:
As shown in fig. 1, the underwater equipment distributed control cabinet is electrically connected with the centralized management unit 1 through the deepwater trailing cable 4, and the electrical connection mode adopts a hard wiring mode and a communication mode.
The centralized management unit is located in a hoist cab and comprises a control handle 2 and an upper computer monitoring device 3, and is divided into two control loops, wherein one control loop is that the control handle 2 is connected with a coil 5 of a first intermediate relay through a deepwater trailing cable 4 in a hard-wire mode, and an auxiliary contact of the first intermediate relay 5 is used as a control command of underwater equipment.
The second control loop is that the upper computer monitoring device 3 is connected into the PLC slave station module 7 through the deep water travelling cable 4 communication module 6, the output end of the PLC slave station module 7 is connected with the coil of the second intermediate relay 8, and the control signal is output by combining the data and signals of the immersion detection module 9, the temperature and humidity detection module 10, the full-stroke sensor 11 and the proximity switch 12 collected by the PLC slave station module 7 to control the second intermediate relay 8 to be closed or opened so as to control the contactor 14 and the electromagnetic valve 15 to act, so that the underwater equipment executing mechanism is driven to act;
The auxiliary contact of the first intermediate relay 5 is directly connected to the contactor 14 and the electromagnetic valve 15, and when the PLC slave station module 7 fails, the contactor 14 and the electromagnetic valve 15 can be directly controlled through the control handle 2 through the first loop to drive the underwater equipment executing mechanism to act.
The upper computer monitoring device adopts a network communication mode, is in communication connection with the PLC slave station module 7 after passing through the deepwater trailing cable 4 and the communication module 6, and monitors and displays the running state of the underwater equipment and related data.
The PLC secondary station module 7 is connected with the temperature and humidity detection module and the soaking detection module, and controls the heater 21 in the control cabinet by detecting the temperature and humidity in real time and the state of the soaking detection module, and can send out a water leakage alarm and timely stop the operation of equipment when water leakage is detected, so that the operation safety of underwater equipment and components is ensured.
The underwater equipment control cabinet in the embodiment is used for arranging components required for underwater equipment control, realizing the device distributed control function, adding a temperature and humidity detection module, a heater and a radiating pipe 17 in the control cabinet, adjusting the temperature and humidity inside the control cabinet, and simultaneously, the radiating pipe 17 and the cabinet body are designed as a whole, so that the performance of the underwater equipment control cabinet in the aspects of sealing, drying and heat dissipation is improved.
The underwater equipment control cabinet is provided with an independent control system, even if a PLC slave station module in the underwater equipment control cabinet fails, the underwater equipment can still be controlled in a hard-wired mode, and the stability of the equipment running under water is improved.
The water immersion detection module is added in the underwater equipment control cabinet, so that whether water leakage exists in the underwater equipment control cabinet or not can be timely detected, an alarm is given, and safe and stable operation of the underwater equipment is ensured.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. Headstock gear underwater equipment gathers distributed control device, its characterized in that: including centralized management unit (1) and underwater equipment switch board, set up first intermediate relay (5), second intermediate relay (8), communication module (6), PLC slave station module (7), execution unit (13) and detection module (9) of soaking in the underwater equipment switch board, centralized management unit (1) is connected with execution unit (13) electricity through first intermediate relay (5), centralized management unit (1) is connected with PLC slave station module (7) electricity through communication module (6), PLC slave station module (7) through second intermediate relay (8) with execution unit (13) electricity is connected, detection module (9) of soaking pass through PLC slave station module (7) and communication module (6) with centralized management unit (1) electricity is connected.
2. The hoist underwater equipment distributed control device according to claim 1, characterized in that: still be provided with distribution unit in the subsea equipment switch board, distribution unit includes circuit breaker (19) and switching power supply (20), PLC is from station module (7), communication module (6) and immersion detection module (9) all are connected with switching power supply (20) electricity, switching power supply (20) with circuit breaker (19) electricity is connected, circuit breaker (19) with execution unit (13) electricity is connected, execution unit (13) include solenoid valve (15) and contactor (14), contactor (14) with circuit breaker (19) electricity is connected.
3. The hoist underwater equipment distributed control device according to claim 2, characterized in that: still be provided with full stroke sensor (11) and proximity switch (12) in the subsea equipment switch cabinet, full stroke sensor (11) and proximity switch (12) all are connected with PLC slave station module (7) electricity, still be provided with sensor connector (16) on the subsea equipment switch cabinet, full stroke sensor (11) and proximity switch (12) still are connected with sensor connector (16) electricity, full stroke sensor (11) and proximity switch (12) still all are connected with switching power supply (20) electricity.
4. The hoist underwater equipment distributed control device according to claim 2, characterized in that: still be provided with temperature and humidity detection module (10) in the subsea equipment switch board, heater (21) and cooling tube (17), cooling tube (17) and subsea equipment switch board are integrated into one piece structure, temperature and humidity detection module (10) and heater (21) all are connected with PLC slave station module (7) electricity, heater (21) are connected with circuit breaker (19) electricity, temperature and humidity detection module (10) are connected with switching power supply (20) electricity, temperature and humidity detection module (10) are temperature and humidity sensor.
5. The hoist underwater equipment distributed control device according to claim 1, characterized in that: the underwater equipment control cabinet comprises a cabinet body (22) and a cabinet door (18), wherein the cabinet door (18) is in sealing connection with the cabinet body (22), a cable connector (23) is arranged on the cabinet body (22), a deep water trailing cable (4) is arranged on the cable connector (23), the cable connector (23) is electrically connected with the centralized management unit (1) through the deep water trailing cable (4), and the first intermediate relay (5) and the communication module (6) are electrically connected with the cable connector (23).
6. The hoist underwater equipment distributed control device according to claim 1, characterized in that: the centralized management unit (1) comprises a control handle (2) and an upper computer monitoring device (3), wherein the control handle (2) and the upper computer monitoring device (3) are electrically connected with an underwater equipment control cabinet, and the upper computer monitoring device (3) is a PC.
7. The hoist underwater equipment distributed control device according to claim 1, characterized in that: the water immersion detection module (9) is a water immersion sensor, the PLC slave station module (7) is a PLC, and the communication module (6) is an Ethernet card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848656.6U CN220962217U (en) | 2023-10-24 | 2023-10-24 | Centralized and distributed control device for underwater equipment of hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848656.6U CN220962217U (en) | 2023-10-24 | 2023-10-24 | Centralized and distributed control device for underwater equipment of hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962217U true CN220962217U (en) | 2024-05-14 |
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ID=90976138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322848656.6U Active CN220962217U (en) | 2023-10-24 | 2023-10-24 | Centralized and distributed control device for underwater equipment of hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962217U (en) |
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2023
- 2023-10-24 CN CN202322848656.6U patent/CN220962217U/en active Active
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