CN205955959U - Water pump auto change over device - Google Patents
Water pump auto change over device Download PDFInfo
- Publication number
- CN205955959U CN205955959U CN201620950002.1U CN201620950002U CN205955959U CN 205955959 U CN205955959 U CN 205955959U CN 201620950002 U CN201620950002 U CN 201620950002U CN 205955959 U CN205955959 U CN 205955959U
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- CN
- China
- Prior art keywords
- binding post
- water pump
- contactor
- normally opened
- delay relay
- 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.)
- Expired - Fee Related
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a transmitter cooling system circulating water pump technical field, a water pump auto change over device, it includes first water pump, second water pump and switching control circuit, switching control circuit includes the rivers sensor, a power supply, an intermediate relay, a delay relay, the 2nd delay relay, the 2nd direct current contactor and the 5th direct current contactor, rivers sensor normally closed contact is connected with delay relay one end electricity, the auxiliary relay coil connects in parallel on the 2nd delay relay, auxiliary relay normally open contact and the 2nd parallelly connected direct current contactor coil, the 5th direct current contactor coil electricity is connected, first water pump is connected with the 2nd direct current contactor main contact electricity, the second water pump is connected with the 5th direct current contactor main contact electricity. The utility model has the advantages of reasonable and compact structure, switching control circuit is equipped with the pump and puts into operation into operation automatically when realizing the main water pump trouble, saved the time of trading the pump, has effectively improved work efficiency.
Description
Technical field
This utility model is related to cooling system of transmitter water circulating pump technical field, is a kind of water pump automatic switching control equipment.
Background technology
Existing transmitter use Forced water cooling mode come to ensure large-scale heater members being capable of safe operation.Transmitter
Require very sensitive in protection control aspect, once monitoring that water route is abnormal, transmitter will shut down.Control aspect in water pump
Because circuit is fairly simple, just domesticized when introducing.Existing transmitter has one to rely on water circulation to take away heat
Cooling system：It is made up of water tank, water route, water pump, condenser and control circuit etc.；Water pump drives water to follow in the pipeline of closing
Ring, hot water is again introduced into heater members and takes away heat after cooling down within the condenser, so go round and begin again.Water circulation system is whole
Premise and guarantee that machine can run well.Water pump occurs that off-axis, phase shortage burn and the faults such as water seal leak, more in use
Water-change pump process is very loaded down with trivial details, even skilled worker is also required to more than 2 hours, causes transmitter to break for a long time, and new pump is installed
Also need moisturizing after good, could run well after aerofluxuss for a period of time.
Content of the invention
This utility model provides a kind of water pump automatic switching control equipment, overcomes the deficiency of above-mentioned prior art, and it can have
Effect solves existing high power broadcast transmitter water circulation system and water pump off-axis, phase shortage is burnt or changed during water seal water leakage fault
The water pump problem that time-consuming.
The technical solution of the utility model is realized by following measures：A kind of water pump automatic switching control equipment, including
First water pump, the second water pump and control switching circuit, described control switching circuit includes water flow sensing unit, the first time delay relay
Device, the second time-delay relay, power supply, the 5th D.C. contactor, auxiliary reclay and the second D.C. contactor, described current sensing
Device common port is connected electrically on power supply, and water flow sensing unit normally-closed contact is electrically connected with first time-delay relay coil one end, and first
The time-delay relay coil other end is grounded, and first time-delay relay normally opened contact the first binding post is normally opened with the second time-delay relay
Contact second binding post electrical connection, second time-delay relay normally opened contact the first binding post and the 5th D.C. contactor normally opened contact
First binding post electrical connection, the 5th D.C. contactor normally opened contact the second binding post is connected electrically on power supply, auxiliary reclay line
Circle and the second time-delay relay coils from parallel connection of coils, auxiliary reclay normally opened contact first binding post and the second D.C. contactor in parallel
Coil, the 5th D.C. contactor coil electrical connection, auxiliary reclay normally opened contact second binding post is grounded, the second D.C. contactor
Normally opened contact first binding post is electrically connected with first time-delay relay normally opened contact the second binding post, and the second D.C. contactor is normally opened
Contact second binding post is connected electrically on power supply, and described first water pump is electrically connected with the second D.C. contactor main contact, and described
Two water pumps are electrically connected with the 5th D.C. contactor main contact.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below：
Above-mentioned may also include manual double-point double-throw switch, described double-point double-throw switch first plug-in strip respectively with the 5th direct current
Contactor coil, the 5th D.C. contactor normally opened contact electrical connection, double-point double-throw switch second plug-in strip is connect with the second direct current respectively
Tentaculum coil, the 5th D.C. contactor normally-closed contact electrical connection.
Above-mentioned may also include terminal board, terminal board is provided with D1 binding post, D2 binding post, D3 terminals
Son, D4 binding post, D5 binding post, D6 binding post, D7 binding post, D8 binding post, described second time-delay relay
Two ends electrically connect with D3 binding post, D6 binding post respectively, D6 binding post is electrically connected with cooling control signal.
D1 binding post described above and D7 binding post can be cascaded, and described 5th D.C. contactor is normally opened to be touched
Point, the second D.C. contactor normally-closed contact, the 5th D.C. contactor normally-closed contact, the second D.C. contactor normally opened contact all can be with
D7 binding post electrically connects, and D7 binding post is connected on power supply.
Above-mentioned may also include low water level roof-cut resistence, the two ends of described low water level roof-cut resistence respectively with D1 binding post,
D3 binding post electrically connects.
Auxiliary reclay normally opened contact described above can be electrically connected with D8 binding post, and D8 binding post is grounded.
This utility model reasonable and compact in structure, easy to use, when control switching circuit achieves feed pump fault, standby pump
Automatically engage operation, save and change the pump time, effectively increase work efficiency, stopping production damage that fault of water pump cause is greatly decreased
Lose.This utility model can be also used in the place higher to water pump operation reliability requirement, such as boiler heating, and plant water supply etc. can
To significantly improve the safe operation reliability of water system.
Brief description
Accompanying drawing 1 is the control principle schematic diagram of this utility model most preferred embodiment.
Accompanying drawing 2 is the circuit connection schematic diagram of accompanying drawing 1.
Coding in accompanying drawing is respectively：K1 is auxiliary reclay, and K10 is auxiliary reclay coil, and K11 is auxiliary reclay
Normally opened contact, K5 is the 5th D.C. contactor, and K50 is the 5th D.C. contactor coil, and K51 is that the 5th D.C. contactor is normally opened to be touched
Point, K52 is the 5th D.C. contactor normally-closed contact, and K53 is the 5th D.C. contactor main contact, and K2 is the second D.C. contactor,
K20 is the second D.C. contactor coil, and K21 is the second D.C. contactor normally-closed contact, and K22 is that the second D.C. contactor is normally opened to be touched
Point, K23 is the second D.C. contactor main contact, and S1 is double-point double-throw switch, and S2 is low water level roof-cut resistence, and 3K10 prolongs for first
When relay, K6 be the second time-delay relay, 11TB3 be terminal board, B2 be the first water pump, B3 be the second water pump.
Specific embodiment
This utility model is not limited by following embodiments, can according to the technical solution of the utility model and practical situation Lai
Determine specific embodiment.
In this utility model, for the ease of description, the description of the relative position relation of each part is all according to description
The Butut mode of accompanying drawing 1 being described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description
Butut direction determining.
With reference to embodiment and accompanying drawing, this utility model is further described：
As shown in accompanying drawing 1,2, this water pump automatic switching control equipment includes the first water pump B2, the second water pump B3 and switching control electricity
Road, described control switching circuit include water flow sensing unit, the first time-delay relay 3K10, the second time-delay relay K6, power supply,
Five D.C. contactor K5, auxiliary reclay K1 and the second D.C. contactor K2, described water flow sensing unit common port is connected electrically in electricity
On source, water flow sensing unit normally-closed contact is electrically connected with first time-delay relay 3K10 coil one end, the first time-delay relay 3K10
Coil other end ground connection, first time-delay relay 3K10 normally opened contact the first binding post and the second time-delay relay K6 normally opened contact
Second binding post electrical connection, second time-delay relay K6 normally opened contact the first binding post and the 5th D.C. contactor normally opened contact
K51 first binding post electrically connects, and the 5th D.C. contactor normally opened contact K51 the second binding post is connected electrically on power supply, continues in centre
Electric apparatus coil K10 and the second time-delay relay K6 coils from parallel connection of coils, auxiliary reclay normally opened contact K11 the first binding post with parallel
Second D.C. contactor coil K20, the 5th D.C. contactor coil K50 electrical connection, auxiliary reclay normally opened contact K11 second connects
Terminal ground connection, second D.C. contactor normally opened contact K22 the first binding post and the first time-delay relay 3K10 normally opened contact second
Binding post electrically connects, and second D.C. contactor normally opened contact K22 the second binding post is connected electrically on power supply, described first water pump B2
Electrically connect with the second D.C. contactor main contact K23, described second water pump B3 and the 5th D.C. contactor main contact K53 is electrically connected
Connect.In real work, water flow sensing unit is arranged in main waterway pipe and for detecting the size of current, water intaking stream in work
Sensor normally-closed contact NC is detecting current.The normally opened contact time delay of the second time-delay relay K6 here 2 seconds（Adjustable）It is followed by
Logical；The effect of the second time-delay relay K6 normally opened contact is to prevent in starting mode of pump initial instant, and water flow sensing unit not yet closes
When, standby pump switches by mistake.If there is no the second time-delay relay K6 and its normally opened contact in circuit, start initial instant the in cooling
One water pump B2 has a start-up course from stopping to operating, current be also from stopping to accelerating flowing finally reach normal stream
Speed.Water flow sensing unit is resting state before starting mode of pump, and its normally-closed contact is to turn on state；First time-delay relay 3K10 exists
When obtaining electric attracting state, its normally opened contact is on-state.Starting mode of pump initial stage water flow sensing unit will not horse back action, now,
Successively through the second D.C. contactor normally opened contact K22, the first time-delay relay 3K10 normally opened contact delivers to the 5th direct current to+24V electricity
Contactor coil K50, the 5th D.C. contactor coil K50 obtains electric adhesive, and the 5th D.C. contactor main contact K53 connects, and second
Water pump B3 will start, and the first water pump B2 will stop.This is a kind of improper switching, in order to avoid this situation, in loop
Middle increase the second time-delay relay K6 realizes time delay 2 seconds, when after 2 seconds, the second time-delay relay K6 normal opened contact is connected, the first water
Pump B2 has completed startup and has reached normal operating condition.This avoid the error starting of the second water pump B3.Control switching circuit is real
When having showed the first fault of water pump, the second water pump automatically engages operation, saves and changes the pump time, effectively increases work efficiency, greatly
Width reduces the production suspension induced losses that fault of water pump causes.This utility model can be also used in the field higher to water pump operation reliability requirement
Institute, such as boiler heating, plant water supply etc., the safe operation reliability of water system can be significantly improved.
According to actual needs above-mentioned water pump automatic switching control equipment can be made further optimization and/or improvements：
As shown in accompanying drawing 1,2, also include manual double-point double-throw switch S1, described double-point double-throw switch S1 first plug-in strip divides
Do not electrically connect with the 5th D.C. contactor coil K50, the 5th D.C. contactor normally opened contact K51, double-point double-throw switch second lock
Knife is electrically connected with the second D.C. contactor coil K20, the 5th D.C. contactor normally-closed contact K52 respectively.In practical application, first
Water pump B2 is main pump, and the second water pump B3 is reserve pump；When water pump occur the faults such as leak need switching when, as needed manually
Switching double-point double-throw switch S1, now by double-point double-throw switch S1 first plug-in strip respectively with the 5th D.C. contactor coil K50, the
Two D.C. contactor normally-closed contact K21 circuit connect, double-point double-throw switch S1 second plug-in strip respectively with the second D.C. contactor line
Circle K20, the second D.C. contactor normally opened contact K22 electrical connection, realize mutually switching between two active and standby water pumps.
Also include terminal board 11TB3 as shown in accompanying drawing 1,2, terminal board 11TB3 is provided with D1 binding post, D2
Binding post, D3 binding post, D4 binding post, D5 binding post, D6 binding post, D7 binding post, D8 binding post, institute
The two ends stating the second time-delay relay K6 are electrically connected with D3 binding post, D6 binding post respectively, and D6 binding post electrically connects
There is cooling control signal.
As shown in accompanying drawing 1,2, described D1 binding post and D7 binding post are cascaded, and the 5th D.C. contactor is normally opened
Contact K51, the second D.C. contactor normally-closed contact K21, the 5th D.C. contactor normally-closed contact K52, the second D.C. contactor are normal
Open contact K22 all to electrically connect with D7 binding post, D7 binding post is connected on power supply.
As shown in accompanying drawing 1,2, also include low water level roof-cut resistence S2, the two ends of described low water level roof-cut resistence S2 respectively with
D1 binding post, the electrical connection of D3 binding post.Here the water pump water level that low water level roof-cut resistence S2 is used for starting is less than standard
During water level, realize automatically cutting off.
As shown in accompanying drawing 1,2, described auxiliary reclay normally opened contact K11 is electrically connected with D8 binding post, D8 binding post
Ground connection.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal enforcement
Effect, can increase and decrease non-essential technical characteristic according to actual needs, to meet the demand of different situations.
The operation principle of this utility model most preferred embodiment is：During normal operation, after starting cooling, cool down control signal meeting
Low level is changed into from high level, auxiliary reclay K1 and the second time-delay relay K6 simultaneously electric, auxiliary reclay normally opened contact
K11 connects, and+24V power supply is added on the second D.C. contactor coil K20 through the 5th D.C. contactor normally-closed contact K52, and second is straight
Stream contactor coil K20 adhesive, the second D.C. contactor main contact K23 connects, and the first water pump B2 obtains electric operation.Main pump failure
When, water route flow diminish or current stop, water flow sensing unit normally-closed contact connect, the first time-delay relay 3k10 obtain electric, first
Time-delay relay 3k10 normally opened contact time delay 2 seconds（Adjustable）After connect, the 5th D.C. contactor coil K50 obtain electric adhesive and from
Protect, now the second water pump B3 runs, the 5th D.C. contactor normally-closed contact K52 disconnects simultaneously, cut off the second D.C. contactor K2
Power supply, the second direct current discharges with regard to contactor coil k20 dead electricity, and the first water pump B2 stops transport.
Claims (8)
1. a kind of water pump automatic switching control equipment is it is characterised in that including the first water pump, the second water pump and control switching circuit, described
Control switching circuit include water flow sensing unit, the first time-delay relay, the second time-delay relay, power supply, the 5th D.C. contactor,
Auxiliary reclay and the second D.C. contactor, described water flow sensing unit common port is connected electrically on power supply, and water flow sensing unit is normally closed
Contact is electrically connected with first time-delay relay coil one end, the first time-delay relay coil other end ground connection, the first time delay relay
Device normally opened contact first binding post is electrically connected with second time-delay relay normally opened contact the second binding post, and the second time-delay relay is normal
Open contact first binding post to electrically connect with the 5th D.C. contactor normally opened contact the first binding post, the 5th D.C. contactor is normally opened to be touched
Point the second binding post is connected electrically on power supply, auxiliary reclay coil and the second time-delay relay coils from parallel connection of coils, auxiliary reclay
Normally opened contact first binding post is electrically connected with the second D.C. contactor coil in parallel, the 5th D.C. contactor coil, continues in centre
Electrical equipment normally opened contact second binding post is grounded, and second D.C. contactor normally opened contact the first binding post is normal with the first time-delay relay
Open the electrical connection of contact second binding post, second D.C. contactor normally opened contact the second binding post is connected electrically on power supply, described the
One water pump is electrically connected with the second D.C. contactor main contact, and described second water pump is electrically connected with the 5th D.C. contactor main contact.
2. water pump automatic switching control equipment according to claim 1 is it is characterised in that also include manual double-point double-throw switch,
Described double-point double-throw switch first plug-in strip is electrically connected with the 5th D.C. contactor coil, the 5th D.C. contactor normally opened contact respectively
Connect, double-point double-throw switch second plug-in strip is electrically connected with the second D.C. contactor coil, the 5th D.C. contactor normally-closed contact respectively.
3. water pump automatic switching control equipment according to claim 1 and 2 is it is characterised in that also include terminal board, wiring
Terminal board is provided with D1 binding post, D2 binding post, D3 binding post, D4 binding post, D5 binding post, D6 terminals
Son, D7 binding post, D8 binding post, the two ends of described second time-delay relay respectively with D3 binding post, D6 binding post
Electrical connection, D6 binding post is electrically connected with cooling control signal.
4. water pump automatic switching control equipment according to claim 3 is it is characterised in that described D1 binding post and D7 terminals
Substring is linked togather, described 5th D.C. contactor normally opened contact, the second D.C. contactor normally-closed contact, the 5th D.C. contactor
Normally-closed contact, the second D.C. contactor normally opened contact are all electrically connected with D7 binding post, and D7 binding post is connected on power supply.
5. water pump automatic switching control equipment according to claim 3 is it is characterised in that also including low water level roof-cut resistence, described
The two ends of low water level roof-cut resistence are electrically connected with D1 binding post, D3 binding post respectively.
6. water pump automatic switching control equipment according to claim 4 is it is characterised in that also including low water level roof-cut resistence, described
The two ends of low water level roof-cut resistence are electrically connected with D1 binding post, D3 binding post respectively.
7. water pump automatic switching control equipment according to claim 3 it is characterised in that described auxiliary reclay normally opened contact with
D8 binding post electrically connects, and D8 binding post is grounded.
8. the water pump automatic switching control equipment according to claim 4 or 5 or 6 is it is characterised in that described auxiliary reclay is normally opened
Contact is electrically connected with D8 binding post, and D8 binding post is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950002.1U CN205955959U (en) | 2016-08-26 | 2016-08-26 | Water pump auto change over device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950002.1U CN205955959U (en) | 2016-08-26 | 2016-08-26 | Water pump auto change over device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955959U true CN205955959U (en) | 2017-02-15 |
Family
ID=57980195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620950002.1U Expired - Fee Related CN205955959U (en) | 2016-08-26 | 2016-08-26 | Water pump auto change over device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955959U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794974A (en) * | 2017-11-18 | 2018-03-13 | 襄垣县树元电器有限公司 | Automatic irrigating vehicle high powered radar automatic charging water controller |
| CN108061337A (en) * | 2017-12-31 | 2018-05-22 | 广州市大弘自动化科技有限公司 | A kind of water circulation system and its controller for central air-conditioning |
| CN111140480A (en) * | 2019-12-05 | 2020-05-12 | 深圳市电王科技有限公司 | Automatic switching power supply and water supply control method and controller |
| CN113431766A (en) * | 2021-07-20 | 2021-09-24 | 苏州市东雄精密模具塑业有限公司 | Automatic switch control device for cooling water pump of injection molding machine |
-
2016
- 2016-08-26 CN CN201620950002.1U patent/CN205955959U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794974A (en) * | 2017-11-18 | 2018-03-13 | 襄垣县树元电器有限公司 | Automatic irrigating vehicle high powered radar automatic charging water controller |
| CN108061337A (en) * | 2017-12-31 | 2018-05-22 | 广州市大弘自动化科技有限公司 | A kind of water circulation system and its controller for central air-conditioning |
| CN111140480A (en) * | 2019-12-05 | 2020-05-12 | 深圳市电王科技有限公司 | Automatic switching power supply and water supply control method and controller |
| CN113431766A (en) * | 2021-07-20 | 2021-09-24 | 苏州市东雄精密模具塑业有限公司 | Automatic switch control device for cooling water pump of injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |