CN205480146U - Bearing oil refrigerated controlling means of horizontal hydrogenerator group - Google Patents
Bearing oil refrigerated controlling means of horizontal hydrogenerator group Download PDFInfo
- Publication number
- CN205480146U CN205480146U CN201620015245.6U CN201620015245U CN205480146U CN 205480146 U CN205480146 U CN 205480146U CN 201620015245 U CN201620015245 U CN 201620015245U CN 205480146 U CN205480146 U CN 205480146U
- Authority
- CN
- China
- Prior art keywords
- contactor
- temperature
- oil
- programmable logic
- logic controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a bearing oil refrigerated controlling means of horizontal hydrogenerator group aims at providing the stable bearing oil refrigerated controlling means of horizontal hydrogenerator group of operation. It includes oil pump motor, electrothermal relay, ac contactor, start - stop switch, relay, programmable controller, power module, thermoscope and temperature measuring resistor, power module is used for supplying power to programmable controller, temperature measuring resistor installs in bearing oil pan, thermoscope and temperature measuring resistor electric connection for receive the temperature that temperature measuring resistor detected, thermoscope and programmable controller electric connection give programmable controller with lubricating oil temperature feedback, programmable controller passes through relay and ac contactor electric connection, and control ac contactor open and close, start - stop switch and power respectively with ac contactor electric connection, realize manual control by start - stop switch, ac contactor leads to overtemperature relay and oil pump motor electric connection.
Description
Technical field
This utility model relates to horizontal hydrogenerator technical group field, especially relates to the control device of a kind of horizontal hydrogenerator group bearing lubrication oil cooling.
Background technology
My company's two, three grades of power stations unit, in power generation in 2005, has run last decade the most, and unit bearing oil design of Cooling System was unreasonable the most at that time, caused Bearing inner lubricating oil inconspicuous with the heat exchange action of self outer circulation cooler.In unit running process, its each portion bearing temperature is the most higher, up to about 65 DEG C, the most often has burning accident to occur.All the time, because of bearing liner temperature drift, affect unit safety stable operation, it has also become the hard nut to crack of annual unit maintenance, again and again scrape watt, water transfer equality overhaul plan is still without positive effect.Conscientiously reconnoitre by unit operation operating mode, the analysis of causes, determine existing bearing lubrication oil cooling system is improved, conscientiously to strengthen the reliability of unit safety stable operation.
Utility model content
This utility model overcomes shortcoming of the prior art, it is provided that a kind of safety is high, the control device of highly reliable and stable horizontal hydrogenerator group bearing lubrication oil cooling.
In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions:
The control device of a kind of horizontal hydrogenerator group bearing lubrication oil cooling, outer circulation cooler is installed on bearing oil tray, it is achieved the cooling of lubricating oil in bearing oil tray；It includes Oil pump electrical machinery, thermorelay, A.C. contactor, start stop switch, relay, Programmable Logic Controller, power module, temperature measurer and temperature detecting resistance；Described power module is for powering to Programmable Logic Controller；Described temperature detecting resistance is installed in bearing oil tray, for detecting the temperature of lubricating oil；Described temperature measurer is electrically connected with temperature detecting resistance, for receiving the temperature that temperature detecting resistance detects；Described temperature measurer is electrically connected with Programmable Logic Controller, and lubricating oil temperature is fed back to Programmable Logic Controller；Described Programmable Logic Controller is electrically connected with A.C. contactor by relay, controls A.C. contactor and opens and closes；Described start stop switch and power supply are electrically connected with A.C. contactor respectively, start stop switch realize Non-follow control；Described A.C. contactor is electrically connected with Oil pump electrical machinery by thermorelay.
Preferably, the model of described Programmable Logic Controller is FX2-32MR.
Preferably, the model of described power module is KDYA-240E-2.2.
Compared with prior art, this utility model has the advantage that
(1), this utility model both can realize the on-the-spot Non-follow control to Oil pump electrical machinery, again can be by temperature detecting resistance based on Programmable Logic Controller (PLC) automatic start-stop Oil pump electrical machinery, the most not only much lower labor intensity of operations staff, improve work efficiency, also improve the safe and stable operation level of generating set, create considerable economic benefit to especially power station, company.
(2) this utility model automatically controlling by Programmable Logic Controller, the cooling effect of reinforced shaft bearing lubrication oil, to reduce generator bearing watt temperature, improves the reliability of generating set safe and stable operation.During operation, temperature detecting resistance feedback temperature in bearing oil tray is to temperature measurer, Programmable Logic Controller (PLC) is fed back to again through temperature measurer, Programmable Logic Controller (PLC) automatically controls the start and stop of Oil pump electrical machinery according to the oil temperature height in oil tray, in real time, effectively ensures safe and stable, the economical operation of generating set.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not paying creative work premise, broadly fall into the scope of this utility model protection.
The control device of the bearing lubrication oil cooling of horizontal hydrogenerator group shown in Fig. 1, outer circulation cooler 10 is installed on bearing oil tray 20, it is achieved the cooling of lubricating oil in bearing oil tray 20；It includes Oil pump electrical machinery 1, thermorelay 2, A.C. contactor 3, start stop switch 4, relay 5, Programmable Logic Controller 6, power module 7, temperature measurer 8 and temperature detecting resistance 9；Described power module 7 is for powering to Programmable Logic Controller 6；Described temperature detecting resistance 9 is installed in bearing oil tray 20, for detecting the temperature of lubricating oil；Described temperature measurer 8 is electrically connected with temperature detecting resistance 9, for receiving the temperature that temperature detecting resistance 9 detects；Described temperature measurer 8 is electrically connected with Programmable Logic Controller 6, and lubricating oil temperature feeds back to Programmable Logic Controller 6；Described Programmable Logic Controller 6 is electrically connected with A.C. contactor 3 by relay 5, controls A.C. contactor 3 and opens and closes；Described start stop switch 4 and power supply are electrically connected with A.C. contactor 3 respectively, start stop switch 4 realize Non-follow control；Described A.C. contactor 3 is electrically connected with Oil pump electrical machinery 1 by thermorelay 5.
Wherein, the preferred model of described Programmable Logic Controller 6 is FX2-32MR.The preferred model of described power module 7 is KDYA-240E-2.2.
This utility model is automatically controlled by Programmable Logic Controller, the cooling effect of reinforced shaft bearing lubrication oil, to reduce generator bearing watt temperature, improves the reliability of generating set safe and stable operation.During operation, temperature detecting resistance feedback temperature in bearing oil tray is to temperature measurer, Programmable Logic Controller (PLC) is fed back to again through temperature measurer, Programmable Logic Controller (PLC) automatically controls the start and stop of Oil pump electrical machinery according to the oil temperature height in oil tray, in real time, effectively ensures safe and stable, the economical operation of generating set.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
1. a control device for horizontal hydrogenerator group bearing lubrication oil cooling, outer circulation cooler is installed on bearing oil tray, it is achieved the cooling of lubricating oil in bearing oil tray；It includes Oil pump electrical machinery, thermorelay, A.C. contactor, start stop switch, relay, Programmable Logic Controller, power module, temperature measurer and temperature detecting resistance；It is characterized in that: described power module is for powering to Programmable Logic Controller；Described temperature detecting resistance is installed in bearing oil tray, for detecting the temperature of lubricating oil；Described temperature measurer is electrically connected with temperature detecting resistance, for receiving the temperature that temperature detecting resistance detects；Described temperature measurer is electrically connected with Programmable Logic Controller, and lubricating oil temperature is fed back to Programmable Logic Controller；Described Programmable Logic Controller is electrically connected with A.C. contactor by relay, controls A.C. contactor and opens and closes；Described start stop switch and power supply are electrically connected with A.C. contactor respectively, start stop switch realize Non-follow control；Described A.C. contactor is electrically connected with Oil pump electrical machinery by thermorelay.
The control device of horizontal hydrogenerator group bearing lubrication oil cooling the most according to claim 1, it is characterised in that: the model of described Programmable Logic Controller is FX2-32MR.
The control device of horizontal hydrogenerator group bearing lubrication oil cooling the most according to claim 1 or claim 2, it is characterised in that: the model of described power module is KDYA-240E-2.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620015245.6U CN205480146U (en) | 2016-01-09 | 2016-01-09 | Bearing oil refrigerated controlling means of horizontal hydrogenerator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620015245.6U CN205480146U (en) | 2016-01-09 | 2016-01-09 | Bearing oil refrigerated controlling means of horizontal hydrogenerator group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205480146U true CN205480146U (en) | 2016-08-17 |
Family
ID=56665403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620015245.6U Active CN205480146U (en) | 2016-01-09 | 2016-01-09 | Bearing oil refrigerated controlling means of horizontal hydrogenerator group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205480146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980842A (en) * | 2020-08-31 | 2020-11-24 | 广西桂冠电力股份有限公司大化水力发电总厂 | Cooling control system and method for oil collecting tank of hydraulic generator |
-
2016
- 2016-01-09 CN CN201620015245.6U patent/CN205480146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980842A (en) * | 2020-08-31 | 2020-11-24 | 广西桂冠电力股份有限公司大化水力发电总厂 | Cooling control system and method for oil collecting tank of hydraulic generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205197779U (en) | Drinking water equipment preheats | |
| CN205480146U (en) | Bearing oil refrigerated controlling means of horizontal hydrogenerator group | |
| CN103935375B (en) | The control method of electricity coal burning boiler control chamber | |
| CN203703574U (en) | Auxiliary machine lubricating oil system of 6,500 MVA impulse generator | |
| CN202331113U (en) | Online monitoring system for air-cooling device of transformer | |
| CN202325973U (en) | Special low-temperature starting device for workover rig | |
| CN203957349U (en) | The manual joint tool heating platform of polyurethane handrail | |
| CN101901671B (en) | Hot oil-circulating automatic heating device of large-size transformer | |
| CN204213600U (en) | A kind of Interated lubricating device for pumping unit | |
| CN203441779U (en) | Main transformer oil-submerged pump with intelligent variable-frequency device | |
| CN201478050U (en) | Hot oil circulating and automatic heating device of large transformer | |
| CN105275539A (en) | Vehicle-mounted heating vehicle and method for preheating engine through vehicle-mounted heating vehicle | |
| CN105089965B (en) | A kind of AC photovoltaic water pump system and its control method | |
| CN202263654U (en) | Control system of centrifugal oil purifier | |
| CN102698861A (en) | Lubricating protection control system for powder preparation intermediate-speed mill of blast furnace | |
| CN204875934U (en) | Pumping plant of detectable water level | |
| CN204579666U (en) | A kind of automatic continuous low-temperature fryer | |
| CN203070133U (en) | Fryer control circuit | |
| CN204893337U (en) | Interference fit work piece heat dress power consumption oil hybrid heating device | |
| CN205177562U (en) | Automatic trickle heat sink of main transformer radiator | |
| CN107631534A (en) | A kind of recirculated water automatic water-supply cooling system | |
| CN206469042U (en) | Ball mill high voltage synchronous machine bearing shell lubrication control device | |
| CN203883344U (en) | Water-cooling heat radiating type transformer box | |
| CN205011409U (en) | Distilled water preparation facilities | |
| CN202851232U (en) | Forced water circulating and water preheating device of diesel generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |