CN206111457U - Two condensate pump automatic switch -over electric control system - Google Patents
Two condensate pump automatic switch -over electric control system Download PDFInfo
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- CN206111457U CN206111457U CN201621190944.0U CN201621190944U CN206111457U CN 206111457 U CN206111457 U CN 206111457U CN 201621190944 U CN201621190944 U CN 201621190944U CN 206111457 U CN206111457 U CN 206111457U
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- relay
- electric control
- coil
- control system
- condensate pump
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- 239000007788 liquid Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model provides a two condensate pump automatic switch -over electric control system, the hot -well of below being located the condenser, the bottom of hot -well leads to pipe and has met two condensate pump, and two condensate pump pass through electric system control system and realize the automatic switch -over. The utility model discloses effectually having solved a condensate pump and burning out the phenomenon in stoppage in transit in service or under the under -voltage condition, avoided when liquid level height to certain degree, partial copper pipe overwhelmed has reduced the heat transfer area of condenser, and the unit vacuum can receive influences the scheduling problem.
Description
Technical field
This utility model is related to condensate pump control system field, and in particular to two condensate pump automatic switchover electric-controlleds
System processed.
Background technology
The effect of condensate pump mainly coordinates air ejector to generate vacuum, and recirculated water and steam are formed a vacuum.Just
In conveying water, many work(can be thus saved, because oxygen-eliminating device is general all aloft, if will be very without condensate pump vacuum
Arduously, water is crossing water circulating pump and circulating water pool, is finally returning to oxygen-eliminating device, so circulates back and forth.In actual power operation,
It is larger to the vacuum influence of unit if condensate pump is stopped transport, it will make the liquid level of condenser hotwell high, when liquid level it is up to certain
During degree, part copper pipe is submerged, and reduces the heat exchange area of condenser, and unit vacuum can be affected.If long-time is stopped
Fortune, liquid level is too high, and water can enter steam turbine, be likely to result in equipment badly damaged.Water slug will cause damage, the sound portion of blade
Divide to touch mill, Cracks In Cylinder or produce and be permanently deformed, damage of thrust pad.Condensate pump works long hours under undervoltage condition, electricity
Force down the torque for overcoming load to need just greatly, electric current can also become big, and threephase asynchronous is connected each other for one or two times, voltage
It is low, the torque for producing can be caused little, in order to reach the torque for overcoming load, it is necessary to high current, easily burn phase asynchronous
Motor.
The content of the invention
The deficiency that this utility model exists according to above-mentioned prior art, there is provided a kind of two condensate pumps automatically switch electric
Control system, this system can effectively prevent the condensate pump from stopping transport in operation or burning phenomenon under undervoltage condition.
In order to achieve the above object, this utility model is adopted the technical scheme that：
A kind of two condensate pump automatic switchover electric control systems, including the hot well below condenser, the heat
The bottom of well is by water pipe and is connected to two condensate pumps, and two condensate pumps are realized automatically switching by electric control system；
The electric control system include under-voltage replay KA1, undercurrent relay KA2, multiple time relays, multiple centres after
Electrical equipment and three-phase alternating current；The auxiliary reclay includes relay KA3, relay KA4 and relay KA5；The time after
Electrical equipment includes energization delay relay KT1 and power-off delay relay KT2；The coil of the under-voltage replay KA1 is simultaneously connected to
Three-phase alternating current appoint it is biphase on, the coil tandem of the undercurrent relay KA2 is described low in the arbitrary phase of three-phase alternating current
Normally opened contact on voltage relay KA1 and undercurrent relay KA2 is connected respectively with the coil of energization delay relay KT1,
The normally opened contact of the energization delay relay KT1 is connected with the coil of relay KA3, and three of the relay KA3 are normally closed
Contact is concatenated on three-phase alternating current, for controlling the start and stop of condensate pump M1, a normally-closed contact of relay KA3 and power-off
The coil of time-delay relay KT2 is connected, and the normally opened contact of power-off delay relay KT2 is connected with the coil of relay KA4, relay
The input of the normally opened contact of device KA4 is connected with a normally opened contact of relay KA3, the normally opened contact of relay KA4 it is defeated
Go out end to be connected with the coil of relay KA5, three normally opened contacts of relay KA5 are concatenated on three-phase alternating current, for controlling
The start and stop of condensate pump M2.
Preferably, another normally opened contact of the relay KA4 is connected to Signal Terminal, for the prison of host computer
Control.
Preferably, the display system on the spot for showing its inside liquid level is provided with the barrel of the hot well.
Preferably, the display system on the spot includes a magnetic flap being located on linker barrel, the magnetic
Turnover panel is sequentially arranged by multiple cylindrical magnetic sheets and is constituted, each cylindrical magnetic sheet by two different magnetic semicolumn magnetic sheet group
Into by the upset of magnetic floating ball and the cylindrical magnetic sheet of semicolumn magnetic sheet magnetic coupling realization.
Preferably, two semicolumn magnetic sheets in the cylindrical magnetic sheet are the semicolumn magnetic sheet of two different colours.
This utility model beneficial effect：
This utility model effectively solves a condensate pump and stops transport in operation or burn phenomenon under undervoltage condition,
Avoid when liquid level up to a certain degree when, part copper pipe is submerged, and reduces the heat exchange area of condenser, and unit vacuum can be received
The problems such as affecting, display system on the spot is provided with, can in real time, accurately observe the liquid level of condensate in hot well, passed through
The height of liquid level implements corresponding measure to condenser.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is hot well structural representation；
Fig. 3 is two condensate pump auto-changeover control schematic diagrams；
1-linker, 2-magnetic floating ball, 3-magnetic flap, 100-condenser, 200-hot well.
Specific embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the present invention is further illustrated.
Embodiment one：
As shown in Figure 1 to Figure 3, a kind of two condensate pump automatic switchover electric control systems, including positioned at condenser 100
The hot well 200 of lower section, is provided with the display system on the spot for showing its inside liquid level on the barrel of hot well 200.Show on the spot
System includes a magnetic flap 3 being located on the barrel of linker 1, and magnetic flap 3 is sequentially arranged group by multiple cylindrical magnetic sheets
Into each cylindrical magnetic sheet is made up of the semicolumn magnetic sheet of two different magnetic, by magnetic floating ball 2 and semicolumn magnetic sheet magnetic coupling
Close the upset for realizing cylindrical magnetic sheet.Two semicolumn magnetic sheets in cylindrical magnetic sheet are the semicolumn magnetic of two different colours
Plate.
The bottom of hot well 200 is by water pipe and is connected to two condensate pumps, and two condensate pumps are by electric control system
Realize automatically switching；Electric control system include under-voltage replay KA1, undercurrent relay KA2, multiple time relays,
Multiple auxiliary reclays and three-phase alternating current；Auxiliary reclay includes relay KA3, relay KA4 and relay KA5；Time
Relay includes energization delay relay KT1 and power-off delay relay KT2；The coil of under-voltage replay KA1 is simultaneously connected to three
Cross streams electricity appoint it is biphase on, the coil tandem of undercurrent relay KA2 in the arbitrary phase of three-phase alternating current, under-voltage replay
Normally opened contact on KA1 and undercurrent relay KA2 is connected respectively with the coil of energization delay relay KT1, on-delay after
The normally opened contact of electrical equipment KT1 is connected with the coil of relay KA3, and three normally-closed contacts of relay KA3 are concatenated into three-phase alternating current
On electricity, for controlling the start and stop of condensate pump M1, a normally-closed contact of relay KA3 and the line of power-off delay relay KT2
Circle is connected, and the normally opened contact of power-off delay relay KT2 is connected with the coil of relay KA4, the normally opened contact of relay KA4
Input is connected with a normally opened contact of relay KA3, and the outfan of the normally opened contact of relay KA4 is with relay KA5's
Coil is connected, and three normally opened contacts of relay KA5 are concatenated on three-phase alternating current, for controlling the start and stop of condensate pump M2.
Another normally opened contact of relay KA4 is connected to Signal Terminal, for the monitoring of host computer.
The course of work：
When condensate pump M1 stops transport or when running under undervoltage condition, under-voltage replay KA1 or low current relay
The normally opened contact closure of device KA2, after energization delay relay KT1 time delay Preset Times, its normally opened contact closure causes relay
The coil of KA3 obtains electric, and three normally-closed contacts of relay KA3 are opened so as to stop condensate pump M1, and the normally opened of relay KA3 touches
Point closure, normally-closed contact is opened, after power-off delay relay KT2 time delay Preset Times, relay KA4 after its normally opened contact closure
Coil obtain electric, the coil of relay KA5 obtains electric after the normally opened contact of relay KA4 closure, so as to the three of relay KA5
Individual normally opened contact closure starts condensate pump M2, after the normally opened contact closure of relay KA4, connects Signal Terminal, is used for
The monitoring of host computer.
When condensate pump M1 in the case of normal voltage when running, under-voltage replay KA1 or undercurrent relay KA2
Normally-closed contact open, now after the coil losing electricity of energization delay relay KT1, its normally-closed contact open after relay KA3
Coil losing electricity, three normally opened contacts closure of relay KA3 opens condensate pump M1, after the normally opened contact closure of relay KA3
The coil of power-off delay relay KT2 obtains electric, and its normally-closed contact is transformed into normally opened contact and keeps, now, the line of relay KA4
Circle dead electricity, the coil losing electricity of relay KA5 after the normally-closed contact opening of relay KA4, so as to its three normally-closed contacts are beaten
Open, stop condensate pump M2, after another normally-closed contact of relay KA4 is opened, cut-off signal terminal, for the prison of host computer
Control.
This utility model effectively solves a condensate pump and stops transport in operation or burn phenomenon under undervoltage condition,
Avoid when liquid level up to a certain degree when, part copper pipe is submerged, and reduces the heat exchange area of condenser, and unit vacuum can be received
The problems such as affecting.
The above, simply one of embodiment of the present utility model, is not that this utility model is imposed any restrictions, and is owned
According to a kind of reusable monitoring point device technique, structure essence for concrete structure member of this utility model to above-mentioned
Any simple modification, change and equivalent structure change that embodiment is made, belong to this utility model a kind of for concrete
The protection domain of the reusable monitoring point device technique scheme of structural elements.
Claims (5)
1. a kind of two condensate pump automatic switchover electric control systems, including the hot well below condenser (100)
(200), it is characterised in that：The bottom of the hot well (200) is by water pipe and is connected to two condensate pumps, and two condensate pumps lead to
Cross electric control system to realize automatically switching；
The electric control system includes under-voltage replay KA1, undercurrent relay KA2, multiple time relays, Duo Gezhong
Between relay and three-phase alternating current；The auxiliary reclay includes relay KA3, relay KA4 and relay KA5；When described
Between relay include energization delay relay KT1 and power-off delay relay KT2；
The coil of the under-voltage replay KA1 and be connected to three-phase alternating current appoint it is biphase on, the undercurrent relay KA2's
Normally opened contact of the coil tandem in the arbitrary phase of three-phase alternating current, on the under-voltage replay KA1 and undercurrent relay KA2
It is connected with the coil of energization delay relay KT1 respectively, normally opened contact and the relay KA3 of the energization delay relay KT1
Coil be connected, three normally-closed contacts of the relay KA3 are concatenated on three-phase alternating current, for controlling condensate pump M1's
Start and stop a, normally-closed contact of relay KA3 is connected with the coil of power-off delay relay KT2, power-off delay relay KT2's
Normally opened contact is connected with the coil of relay KA4, and the input of the normally opened contact of relay KA4 is with one of relay KA3 often
Open contact to be connected, the outfan of the normally opened contact of relay KA4 is connected with the coil of relay KA5, three of relay KA5 are often
Open contact to be concatenated on three-phase alternating current, for controlling the start and stop of condensate pump M2.
2. a kind of two condensate pumps automatic switchover electric control system according to claim 1, it is characterised in that：It is described
Another normally opened contact of relay KA4 is connected to Signal Terminal, for the monitoring of host computer.
3. a kind of two condensate pumps automatic switchover electric control system according to claim 1, it is characterised in that：It is described
The display system on the spot for showing its inside liquid level is provided with the barrel of hot well (200).
4. a kind of two condensate pumps automatic switchover electric control system according to claim 3, it is characterised in that：It is described
On the spot display system includes a magnetic flap (3) being located on linker (1) barrel, and the magnetic flap (3) is by multiple circles
Cylindricality magnetic sheet is sequentially arranged composition, and each cylindrical magnetic sheet is made up of the semicolumn magnetic sheet of two different magnetic, floating by magnetic
Ball (2) realizes the upset of cylindrical magnetic sheet with semicolumn magnetic sheet magnetic coupling.
5. a kind of two condensate pumps automatic switchover electric control system according to claim 4, it is characterised in that：It is described
Two semicolumn magnetic sheets in cylindrical magnetic sheet are the semicolumn magnetic sheet of two different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190944.0U CN206111457U (en) | 2016-10-28 | 2016-10-28 | Two condensate pump automatic switch -over electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190944.0U CN206111457U (en) | 2016-10-28 | 2016-10-28 | Two condensate pump automatic switch -over electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111457U true CN206111457U (en) | 2017-04-19 |
Family
ID=58525726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621190944.0U Expired - Fee Related CN206111457U (en) | 2016-10-28 | 2016-10-28 | Two condensate pump automatic switch -over electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444875A (en) * | 2016-10-28 | 2017-02-22 | 河南师范大学 | An apparatus used for controlling a liquid level of a hot well of a condenser |
| CN114233615A (en) * | 2022-01-06 | 2022-03-25 | 国家能源集团国源电力有限公司 | Condensate pump switching control method and device, electronic equipment and storage medium |
-
2016
- 2016-10-28 CN CN201621190944.0U patent/CN206111457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444875A (en) * | 2016-10-28 | 2017-02-22 | 河南师范大学 | An apparatus used for controlling a liquid level of a hot well of a condenser |
| CN106444875B (en) * | 2016-10-28 | 2019-11-08 | 河南师范大学 | It is a kind of for controlling the device of condenser hotwell liquid level |
| CN114233615A (en) * | 2022-01-06 | 2022-03-25 | 国家能源集团国源电力有限公司 | Condensate pump switching control method and device, electronic equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20171028 |