CN104405627B - Electric generator cooling water pump control cabinet - Google Patents
Electric generator cooling water pump control cabinet Download PDFInfo
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- CN104405627B CN104405627B CN201410592034.4A CN201410592034A CN104405627B CN 104405627 B CN104405627 B CN 104405627B CN 201410592034 A CN201410592034 A CN 201410592034A CN 104405627 B CN104405627 B CN 104405627B
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- pump
- water pump
- switch board
- control
- cooling water
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Abstract
An electric generator cooling water pump control cabinet is characterized in that a three-dimensional control mode switch is arranged between a cooling water pump and a control cabinet; three modes of in-place, maintenance and remote control of the control cabinet can be selected by the three-dimensional control mode switch; any control mode can be manually selected through the control mode switch; only one mode among the three modes can be selected; the specific operation is executed through an operator according to production working conditions; the priority of the in-place control mode is highest. The electric generator cooling water pump control cabinet has the advantages of providing guarantee for safe and reliable operation of a cooling, heating and power combined supply system and satisfying unattended occasions by alarm and automatic switching when a main pump and a spare pump break down under manual and remote control modes; having multiple protection functions of short-circuit protection, overload protection and water supply equipment fault protection; enabling a control loop to be formed by conventional electrical appliances, and being high in reliability, low in cost and convenient to use and maintain.
Description
Technical field
The present invention relates to the technological improvement of each part of cluster engine, more particularly to a kind of generator cooling-water pump switch board.
Background technology
With human being's production and the development of life, energy supply growing tension, with natural gas, biogas as main fuel, is pushed away
Dynamic gas turbine or internal combustion engine generate electricity, and recycle its generating waste-heat to become to the cooling heating and power generation system of user's cooling or heat supply
A kind of principal mode of current distributed energy, CCHP project has been put into national " 12 " Energy efficiency in planning emphasis
Investment field.
At present the electromotor of cooling heating and power generation system arranges HT high-temperature cooling waters and LT sub-cooled water systems, high temperature and low
Each two cooling water pumps (the using and the reserved) of configuration of warm cooling system, cooling system arrange on the spot, maintenance, three kinds of control moulds of remote control
Formula, each system need configure 1 HT and 1 LT cooling water pump switch board, the start and stop and speed regulating control by water pump, control into
Enter the flow of the cold water in heat exchanger, so as to reach the return water temperature of control electromotor cooling circulating water, it is ensured that electromotor is just
Often work.
Existing cooling water pump switch board can only automatically switch to another water under remote control state after a fault of water pump
Pump；But when linking at system debug initial stage or remote power feeding system equipment fault, it is both needed to is arranged on water pump and control on the spot mould
Formula, and can not realize automatically switching after now water pump breaks down.Current switch board, is not provided with hydraulic pressure protection, and fan the air pump
Situation happen occasionally,
For the problems referred to above, there is provided a kind of new switch board, the automatic switchover of active and standby water pump is realized under any state
It is the problem of prior art needs solution.
The content of the invention
The technical problem to be solved is to provide a kind of generator cooling-water pump switch board, under any state
Realize the purpose that active and standby water pump automatically switches.
To reach above-mentioned purpose, the technical scheme is that, a kind of generator cooling-water pump switch board, its feature exists
In：Be provided with Three dimensions control mode switch between described cooling water pump and switch board, to switch board on the spot, maintenance, remote three kinds of control
Pattern is selected, and by control model switch arbitrary control model can be manually selected, and Three models can only select one kind, specifically
Operation is performed by operator according to production status, on the spot control model highest priority.Control model on the spot is selected on the one hand to use
The solo test run at initial stage is debugged in cooling heating and power generation system, on the other hand for linked system because portion of secondary machine equipment breaks down
Need to manually drive and not affect production；This switch board is with the advantage of more conventional switch board：When control model on the spot is selected,
If a pump breaks down, remain to automatically switch to another pump, without the need for manual switching；Simultaneously pump is still protected with hydraulic pressure, because
And the more conventional switch board of security reliability of system is higher；Maintenance model is car-parking model, positioned at maintenance model when, water pump can be from
Dynamic to stop, controlling on the spot and far can not start two water pumps, for ensureing attendant's personal safety during maintenance；When positioned at remote
During control pattern, local operation is invalid, and water pump goes to monitoring system operation or links with other equipment, realizes combined supply system oneself
Dynamicization is run.Switch board is provided with standby, two masters one of a master two for permutator, for primary, the standby selection of two cooling water pumps,
When permutator select a master two for when, No. 1 pump is main pump, during system operation, drives No. 1 pump, automatic when No. 1 pump breaks down
No. two pumps are switched to, No. 1 pump is switched back to automatically by No. 2 pumps when No. 1 failure of pump is released, vice versa.When two pumps all occur
During failure, system can report to the police, and the frequent switching for being not in two pumps control contactor causes the damage of catalyst.
Three-phase and four-line power supply is accessed by the 1-2QF choppers in switch board, while two choppers are respectively to 1,2
Number pump carries out quick-break and overcurrent protection, when arbitrary fault of water pump, breaker protection tripping operation cut-out pump motor, while breaking
The auxiliary contact of device configuration to be detected and go off state by closure after circuit breaker trip, is carried out warning by 1HY1 or 1HY2 and is referred to
Show, another pump work is automatically switched to by the action of 1KA4 or 1KA5 relays.
Cooling water pump is provided with power-off delay relay with the control loop of switch board, for escaping outlet when pumping up dynamic
The abnormal operating mode of pressure.
A kind of generator cooling-water pump switch board, due to using above-mentioned structure, it is an advantage of the current invention that：1st, manually and
During remote control pattern, can report to the police during active and standby failure of pump and automatically switch, the safe and reliable operation for cooling heating and power generation system is provided
Ensure, can meet unattended occasion.2nd, with the multiple guarantor of short-circuit protection, overload protection and supply equipment error protection
Protective function.3rd, control loop is constituted using conventional electrical appliance, and switch board has reliability height, low cost, working service easily special
Point.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation；
Fig. 1 is a kind of structural representation of generator cooling-water pump switch board of the invention；
Fig. 2 is a kind of elementary diagram of generator cooling-water pump switch board of the invention；
Fig. 3 is a kind of elementary diagram of the active and standby cooling water pump of generator cooling-water pump switch board of the invention.
Specific embodiment
This switch board connection principle is simple, and PLC is not especially relied on during manual mode and the automatic of failure of pump can be carried out
Switching and omnibearing protection warning function, simple to operate to be easy to safeguard, control device is customary components, and purchase cost is low,
With short production cycle, switch board production period unloaded can be debugged, and can be produced as a kind of approved product and be promoted, and have extensive
Market prospect, switch board is entered behind scene, only need to access power supply, motor cable, hydraulic pressure protection switch, you can input fortune
OK, the debugging cycle of equipment is shortened, equipment operation is simple and convenient, and main working process is as follows：
(1) hydraulic pressure protection time delay relay is adjusted as 50 seconds (can be adjusted according to ruuning situation)；
(2) active and standby permutator selects as needed standby for a master two or two masters one are standby；
(3) observe switch board voltage to indicate normally, by 1#, 2# pump main circuit breaker to close a floodgate, control breaker closing；
(4) observe switch board 1#, 2# pump fault-free to indicate；
(5) control model switch is gone on the spot by maintenance；
(6) press and open on the spot, stop button, open, stop cooling system；
(7) if proceeding to coordinated signals, only mode switch need to be gone to remote control.
(8) no matter positioned at when controlling pattern on the spot or far, after any one pump breaks down, the fault alarm of the pump is indicated
Lamp action, while another pump work can be automatically switched to.
(9) when production is stopped, mode switch can be gone to maintenance model, trouble shooting pump, after equipment fault is excluded,
Can put into operation again.
It is concrete as shown in figure 1, the present invention arrange one on the spot, maintenance, three control models switches of remote control, for control manually
The control of system, safety inspection and system interlink.No matter control model switch is located at controls on the spot or far position；No matter main pump failure or
Standby failure of pump can automatically switch to normal pump work by failure pump.
Active and standby pump main circuit breaker of powering configures auxiliary contact, for detecting that circuit breaker short circuit trips or a point chopper by mistake
The scram for causing；Active and standby pump motor configures thermal overload relay and the tripping operation for causing is transshipped in pump operation for detecting；
Active and standby pump discharge configure pressure switch for detect the water supply pressure that causes because of water pump, water supply line or supply equipment failure
Deficiency, above-mentioned three kinds of phenomena of the failure can report to the police and realize the automatic switchover of pump.The control loop of each pump arranges a power-off
Time-delay relay, for escaping the abnormal operating mode of outlet pressure when pumping up dynamic, the delay time 0-60 seconds are adjustable.
When a failure of pump is switched to another pump, the such as now pump yet failure, control is not returned and switches back to failure pump again,
Can so avoid two failure pumps from toggling the control contactor for causing to damage because of frequent movement.Share and open with remote control on the spot
Stop relay, pressure detecting failure automatically resets after parking, be that next time start is prepared, hot stall and quick-break failure are needed manually
Reset.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way
Restriction, it is or not improved directly applying to other occasions as long as employing the various improvement that technical solution of the present invention is carried out,
Within protection scope of the present invention.
Claims (2)
1. a kind of generator cooling-water pump switch board, it is characterised in that：Three-dimensional is provided between described cooling water pump and switch board
Control model is switched, to switch board on the spot, maintenance, remote control Three models select, can be selected manually by control model switch
Arbitrary control model is selected, Three models can only select one kind, concrete operations to be performed according to production status by operator；Select on the spot
On the one hand control model is used for the solo test run that cooling heating and power generation system debugs the initial stage, on the other hand for linked system because of part
Subsidiary engine equipment breaks down need to manually drive and not affect production；This switch board select control model on the spot when, if a pump
Break down, automatically switch to another pump；
Described switch board is provided with standby, two masters one of a master two for permutator, for primary, the standby choosing of two cooling water pumps
Select, when permutator select a master two for when, No. 1 pump is main pump, during system operation, No. 1 pump is driven, when No. 1 pump breaks down
No. two pumps are automatically switched to, No. 1 pump is switched back to automatically by No. 2 pumps when No. 1 failure of pump is released；When two pumps all break down
When, system alarm；
Auxiliary contact is respectively provided with the confession electrical circuit breakers of described cooling water pump；Three-phase and four-line power supply is by switch board
1-2QF choppers are accessed, while two choppers carry out quick-break and overcurrent protection to 1, No. 2 pumps respectively, when arbitrary fault of water pump
When, breaker protection tripping operation cut-out pump motor, while the auxiliary contact of chopper configuration detect after circuit breaker trip by
Closure goes off state, and by 1HY1 or 1HY2 police instruction is carried out, and is cut automatically by the action of 1KA4 or 1KA5 relays
Change to another pump work.
2. a kind of generator cooling-water pump switch board according to claim 1, it is characterised in that：Described cooling water pump with
The control loop of switch board is provided with power-off delay relay, for escaping the abnormal operating mode of outlet pressure when pumping up dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592034.4A CN104405627B (en) | 2014-10-29 | 2014-10-29 | Electric generator cooling water pump control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592034.4A CN104405627B (en) | 2014-10-29 | 2014-10-29 | Electric generator cooling water pump control cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405627A CN104405627A (en) | 2015-03-11 |
| CN104405627B true CN104405627B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410592034.4A Active CN104405627B (en) | 2014-10-29 | 2014-10-29 | Electric generator cooling water pump control cabinet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901557B (en) * | 2015-05-08 | 2017-09-22 | 株洲南车时代电气股份有限公司 | A kind of intelligent cooling system for converter and intelligent cooling control method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1599959A1 (en) * | 1988-05-12 | 1990-10-15 | Ворошиловградский Проектно-Технологический Институт Машиностроения Им.Хху1 Съезда Кпсс | Device for controlling reversible electric motor |
| DE4237899A1 (en) * | 1991-11-12 | 1993-05-13 | Peter Poeck | Local controller for electrical drive motors - has multi-phase supply with phases coupled to switching units and safety circuit to protect motor |
| CN202266819U (en) * | 2011-10-21 | 2012-06-06 | 济南重工股份有限公司 | Circuit for automatic switching spare pump for mill lubricating oil station |
| CN102635542A (en) * | 2012-04-13 | 2012-08-15 | 中冶南方工程技术有限公司 | Undisturbed switching water pump control system |
| CN203084498U (en) * | 2013-02-25 | 2013-07-24 | 江苏三恒科技股份有限公司 | Multifunctional local control system |
| CN203151410U (en) * | 2013-04-02 | 2013-08-21 | 孙军 | Automatic switching controller for realizing mutual spare of two electric motors |
| CN203308729U (en) * | 2013-06-14 | 2013-11-27 | 佛山市小鹰电气有限公司 | Control box used for double submersible pumps |
| CN204312302U (en) * | 2014-10-29 | 2015-05-06 | 安徽鑫龙电器股份有限公司 | A kind of control cabinet for generator cooling-water pump |
-
2014
- 2014-10-29 CN CN201410592034.4A patent/CN104405627B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1599959A1 (en) * | 1988-05-12 | 1990-10-15 | Ворошиловградский Проектно-Технологический Институт Машиностроения Им.Хху1 Съезда Кпсс | Device for controlling reversible electric motor |
| DE4237899A1 (en) * | 1991-11-12 | 1993-05-13 | Peter Poeck | Local controller for electrical drive motors - has multi-phase supply with phases coupled to switching units and safety circuit to protect motor |
| CN202266819U (en) * | 2011-10-21 | 2012-06-06 | 济南重工股份有限公司 | Circuit for automatic switching spare pump for mill lubricating oil station |
| CN102635542A (en) * | 2012-04-13 | 2012-08-15 | 中冶南方工程技术有限公司 | Undisturbed switching water pump control system |
| CN203084498U (en) * | 2013-02-25 | 2013-07-24 | 江苏三恒科技股份有限公司 | Multifunctional local control system |
| CN203151410U (en) * | 2013-04-02 | 2013-08-21 | 孙军 | Automatic switching controller for realizing mutual spare of two electric motors |
| CN203308729U (en) * | 2013-06-14 | 2013-11-27 | 佛山市小鹰电气有限公司 | Control box used for double submersible pumps |
| CN204312302U (en) * | 2014-10-29 | 2015-05-06 | 安徽鑫龙电器股份有限公司 | A kind of control cabinet for generator cooling-water pump |
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| CN104405627A (en) | 2015-03-11 |
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Address after: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Applicant after: ANHUI ZHONGDIAN XINGFA AND XINLONG TECHNOLOGY CO., LTD. Address before: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Applicant before: Xinlong Electric-Appliance Co., Ltd., Anhui |
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