CN208885493U - Intelligent water pump control system - Google Patents
Intelligent water pump control system Download PDFInfo
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- CN208885493U CN208885493U CN201822247846.1U CN201822247846U CN208885493U CN 208885493 U CN208885493 U CN 208885493U CN 201822247846 U CN201822247846 U CN 201822247846U CN 208885493 U CN208885493 U CN 208885493U
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Abstract
The utility model discloses a kind of intelligent water pump control systems, including primary circuit, industrial frequency cabinet secondary circuit and frequency conversion tank secondary circuit；The primary circuit includes water pump power power supply, work/frequency conversion conversion switch, water pump and frequency converter, including variable frequency starting and star triangle start circuit；The input terminal of frequency converter connects electrical source of power by the main contacts of A.C. contactor KM4, output end connects water pump end of incoming cables by the main contacts of A.C. contactor KM5, connects the leading-out terminal of water pump by the main contacts of A.C. contactor KM6 to form starting-up later time under frequency conversion state；The industrial frequency cabinet secondary circuit retains power frequency startup mode；Frequency conversion tank secondary circuit is for switching Starting mode and frequency converter starting；Increase frequency conversion tank and corresponding ancillary equipment, realizes the frequency conversion start and stop and variable frequency adjustment of equipment；Secondary circuit realizes frequency control and power frequency start and stop interlocking, increases security of system, and when frequency conversion tank is faulty former, control cabinet still can open equipment with power frequency.
Description
Technical field
The utility model relates to water pump field of intelligent control, and in particular to the intelligent water pump based on global optimizing controls system
System.
Background technique
Many old item purpose equipments are all on-site manual start and stop equipment at present, and being fitted without frequency converter equipment can not basis
Actual needs changes frequency starting later always all in power frequency operation, cannot access improved control system.Between equipment because
Cause reasonably increase and decrease fortune according to the sensor feedbacks such as field erected temperature, pressure, flow value for no system interlink
The quantity and running frequency of row equipment.
Utility model content
The technical problems to be solved in the utility model is that the original old water pump control cabinet Starting mode of solution is single, wastes energy
The technical issues of consumption.
In order to solve the above-mentioned technical problem, the technical solution of this practical use are as follows: a kind of intelligent water pump control system, including one
Minor loop, industrial frequency cabinet secondary circuit and frequency conversion tank secondary circuit；The primary circuit includes work/frequency conversion conversion switch, water pump
And frequency converter, work/frequency conversion conversion switch connection electrical source of power, electrical source of power pass through the master of A.C. contactor KM1, KM3, KM2
The star triangle start circuit of contact formation power frequency state；The input terminal of frequency converter is connected by the main contacts of A.C. contactor KM4
Electrical source of power, output end connect water pump end of incoming cables by the main contacts of A.C. contactor KM5, pass through the master of A.C. contactor KM6
The leading-out terminal of contact connection water pump is to form the starting-up later time under frequency conversion state；The industrial frequency cabinet secondary circuit passes through series connection
The auxiliary normally-closed contact of A.C. contactor KM4, KM5, KM6 connect firewire, be additionally provided with control mould in industrial frequency cabinet secondary circuit
Block, when control module is powered, manual depression of button or after remotely accessing signal time t, the main contacts of A.C. contactor KM3
It disconnects, the main contacts of A.C. contactor KM2 is attracted；The frequency conversion tank secondary circuit connects for controlling A.C. contactor KM4, exchanging
The conjunction of the main contacts of tentaculum KM5, A.C. contactor KM6 is closed, and the auxiliary of A.C. contactor KM1, KM2, KM3 by being connected in series
Normally-closed contact accesses in firewire.
Further, the industrial frequency cabinet secondary circuit is used for switch mode, hand including manual, stopping, long-range control handle
Dynamic model formula contact connects the normally-closed contact of button switch PB2 and the normally opened contact of button switch PB1, button switch PB1 and zero curve
Between be provided with three branches arranged side by side, wherein the coil of branch access A.C. contactor KM1, second branch are sequentially ingressed into
Auxiliary normally-closed contact, the normally-closed contact of time relay KT and the coil of A.C. contactor KM3 of A.C. contactor KM2, the
Auxiliary normally-closed contact, the normally opened contact of time relay KT and the exchange that three branches are sequentially ingressed into A.C. contactor KM3 connect
Zero curve is accessed in the coil of tentaculum KM2, coil one end of time relay KT, and the auxiliary that the other end accesses A.C. contactor KM2 is normal
Between closed contact and the normally-closed contact of time relay KT；And the normally opened contact parallel connection A.C. contactor KM2 of time relay KT
Auxiliary normally opened contact；The auxiliary normally opened contact of button switch PB1 parallel connection A.C. contactor KM1；The contact of remote mode connects
Signal access module, the node between the output end access button switch and A.C. contactor KM1 coil of signal access module.
Further, further include power supply indicator in the industrial frequency cabinet secondary circuit, stop indicator light and operation instruction
Lamp, the power supply indicator are directly accessed between firewire and zero curve；The auxiliary for stopping indicator light connection A.C. contactor KM1 is normally closed
Auxiliary normally-closed contact behind contact again by A.C. contactor KM4, KM5, KM6 connects in firewire；Run indicator then connects friendship
Firewire is connected by the auxiliary normally-closed contact of A.C. contactor KM4, KM5, KM6 again after flowing the auxiliary normally opened contact of contactor KM2
In.
Further, frequency conversion tank secondary circuit is used for switch mode, the hand including manual, stopping, long-range control handle
Dynamic model formula contact normally closed button switch PB4 and normally opened button switch PB3, are provided with simultaneously between button switch PB3 and zero curve
Relay KA1, KA2 coil of connection, the normally opened contact KA1 of button switch parallel connection relay, between means mode contact and zero curve
It is further connected with the coil of relay KA3；It is respectively connected to the coil of relay KA5 between remote mode contact and part, is connected in series
Signal access module and relay KA4 coil；Node and zero between manual mode contact and the auxiliary normally-closed contact of KM3
The coil of A.C. contactor KM5, KM6 in parallel are accessed between line；Zero curve is accessed in coil one end of A.C. contactor KM4, another
End is accessed in firewire by relay KA3, KA5 in parallel；The normally opened contact of relay KA2, KA4 are separately connected frequency converter just
Ground start and stop, long-range start and stop lead.
From above-mentioned technical proposal it can be seen that the utility model has the advantage that increasing frequency conversion tank and corresponding auxiliary sets
It is standby, realize the frequency conversion start and stop and variable frequency adjustment of equipment；Increasing secondary circuit etc. realizes frequency control and power frequency start and stop interlocking, increases
Security of system is added, and when frequency conversion tank is faulty former, control cabinet still can open equipment with power frequency.
Detailed description of the invention
Fig. 1 is the primary circuit figure of the utility model；
Fig. 2 is the secondary circuit of industrial frequency cabinet in the utility model；
In secondary circuit of the Fig. 3 for frequency conversion tank in the utility model.
Specific embodiment
Specific embodiment of the present utility model is illustrated below in conjunction with attached drawing.
The intelligent water pump control system of the utility model includes that primary circuit, industrial frequency cabinet secondary circuit and frequency conversion tank are secondary
Circuit.Shown in Fig. 1, the primary circuit includes water pump power power supply, work/frequency conversion conversion switch, water pump and frequency converter, and work/
Frequency conversion conversion switch connection electrical source of power, and pass through the star of the main contacts of A.C. contactor KM1, KM3, KM2 formation power frequency state
Triangle start circuit；The input terminal of frequency converter connects electrical source of power by the main contacts of A.C. contactor KM4, and output end passes through friendship
The main contacts for flowing contactor KM5 connects water pump end of incoming cables, by the main contacts of A.C. contactor KM6 connect the leading-out terminal of water pump from
And form starting-up later time under frequency conversion state.Also increase shunt release on power frequency current supply circuit, shunt release is substantially
One opening coil adds buckle releaser, when processing/frequency conversion change-over switch goes to converting operation to shunt opening trip coil plus regulation
Voltage circuit breakers just thread off separating brake to realize frequency control when power frequency electric loop disconnect.
As shown in Fig. 2, the auxiliary by A.C. contactor KM4, KM5, KM6 for being connected in series of the industrial frequency cabinet secondary circuit
Normally-closed contact connects firewire, is additionally provided with control module in industrial frequency cabinet secondary circuit, when control module is powered, be manually pressed by by
Button or after remotely accessing signal time t, the main contacts of A.C. contactor KM3 disconnects, and the main contacts of A.C. contactor KM2 is inhaled
It closes；The frequency conversion tank secondary circuit is used to control the main touching of A.C. contactor KM4, A.C. contactor KM5, A.C. contactor KM6
The conjunction of point is closed, and the auxiliary normally-closed contact of A.C. contactor KM1, KM2, KM3 by being connected in series access in firewire.
Specifically, the industrial frequency cabinet secondary circuit is used for switch mode including manual, stopping, long-range control handle, manually
Mode contact connects the normally-closed contact of button switch PB2 and the normally opened contact of button switch PB1, button switch PB1 and zero curve it
Between be provided with three branches arranged side by side, wherein the coil of branch access A.C. contactor KM1, second branch are sequentially ingressed into friendship
Flow auxiliary normally-closed contact, the normally-closed contact of time relay KT and the coil of A.C. contactor KM3 of contactor KM2, third
Branch is sequentially ingressed into the normally opened contact and ac contactor of the auxiliary normally-closed contact of A.C. contactor KM3, time relay KT
Zero curve is accessed in the coil of device KM2, coil one end of time relay KT, and the auxiliary that the other end accesses A.C. contactor KM2 is normally closed
Between contact and the normally-closed contact of time relay KT；And the normally opened contact parallel connection A.C. contactor KM2 of time relay KT
Assist normally opened contact；The auxiliary normally opened contact of button switch PB1 parallel connection A.C. contactor KM1；The contact of remote mode connects letter
Number AM access module, the node between the output end access button switch and A.C. contactor KM1 coil of signal access module.
Power frequency secondary circuit graph to control, protect, monitor during the power frequency operation of water pump cabinet primary circuit each parameter and
The working condition of each element.The normally-closed contact of indirect tri- A.C. contactors of KM4, KM5, KM6 of its interior joint 101 and 103,
It realizes and equipment operational safety is improved to the electrical interlocks of industrial frequency control and frequency control inside secondary circuit.Node 105 and 106
And installation is manually, stops, the switching of long-range control handle implementation pattern that node 114 and 115 connects long-range control between 113 and 114
Point.PB1 is start button, and PB2 is stop button, and when PB1 is pressed, the contact KM1, KM3 is attracted.The 1KT time relay starts
Timing, when timing time has arrived 1KT actuation, the contact 1KM3 disconnects, the contact KM2 is attracted and completes star triangle start.
Further include power supply indicator in the industrial frequency cabinet secondary circuit, stop indicator light and run indicator, the electricity
Source indicator light is directly accessed between firewire and zero curve；After the auxiliary normally-closed contact of stopping indicator light connection A.C. contactor KM1 again
It is connected in firewire by the auxiliary normally-closed contact of A.C. contactor KM4, KM5, KM6；Run indicator then connects A.C. contactor
It is connected in firewire by the auxiliary normally-closed contact of A.C. contactor KM4, KM5, KM6 again after the auxiliary normally opened contact of KM2.
As shown in figure 3, frequency conversion tank secondary circuit is used for switch mode, the hand including manual, stopping, long-range control handle
Dynamic model formula contact normally closed button switch PB4 and normally opened button switch PB3, are provided with simultaneously between button switch PB3 and zero curve
Relay KA1, KA2 coil of connection, the normally opened contact KA1 of button switch parallel connection relay, between means mode contact and zero curve
It is further connected with the coil of relay KA3；It is respectively connected to the coil of relay KA5 between remote mode contact and part, is connected in series
Signal access module and relay KA4 coil；Node and zero between manual mode contact and the auxiliary normally-closed contact of KM3
The coil of A.C. contactor KM5, KM6 in parallel are accessed between line；Zero curve is accessed in coil one end of A.C. contactor KM4, another
End is accessed in firewire by relay KA3, KA5 in parallel.
Frequency conversion secondary circuit graph to control, protect, monitor during the converting operation of water pump cabinet primary circuit each parameter and
The working condition of each element.
The auxiliary normally-closed contact of A.C. contactor KM1, KM2, KM3 are realized inside secondary circuit to industrial frequency control and frequency conversion
The interlocking of control improves equipment operational safety.Installation is manually, stops, long-range control between node 109 and 110 and 116 and 117
The switching of knob implementation pattern, 114 and 115 connect long-range control point, and PB3 is start button, and PB4 is stop button.When going to hand
KA3 is attracted under dynamic model formula, and KM4 actuation frequency converter obtains electric after KA3 is attracted, and KA2, which is attracted, when PB3 is pressed completes opening on the spot for frequency conversion tank
It is dynamic.It is attracted when going to KA5 under automatic mode, KM4 actuation frequency converter obtains electric after KA5 is attracted, and long-range control point, which provides, remotely to be opened
KA4 is attracted the long-range starting for completing frequency conversion tank after dynamic signal.
Frequency converter model can be ACS510, ACS530, ACS550 etc. in the utility model.
By utilizing the design requirements such as sensors and corresponding minimum flow such as temperature, pressure, flow on original pipeline,
PLC by the real time data and historical data that obtain analyzed and prejudged operation quantity to water pump, the frequency of frequency converter,
The relevant parameter adjusting that PID is adjusted realizes that reasonable running optimizatin reaches global optimizing.
Long-range monitoring is realized using existing equipment to greatest extent, is saved part improvement cost, is reduced operations staff
Cost, the operating safety factor for improving equipment.Realizing frequency control and global optimizing strategy realizes the automatic of equipment and adds
Subtract and energy-saving target.
Claims (4)
1. a kind of intelligent water pump control system, it is characterised in that: including primary circuit, industrial frequency cabinet secondary circuit and frequency conversion tank two
Minor loop；The primary circuit includes work/frequency conversion conversion switch, water pump and frequency converter, work/frequency conversion conversion switch connection power
Power supply, electrical source of power form the star triangle start circuit of power frequency state by the main contacts of A.C. contactor KM1, KM3, KM2；Become
The input terminal of frequency device connects electrical source of power by the main contacts of A.C. contactor KM4, and output end passes through the master of A.C. contactor KM5
Contact connects water pump end of incoming cables, connects the leading-out terminal of water pump by the main contacts of A.C. contactor KM6 to form frequency conversion state
Under starting-up later time；The normally closed touching of auxiliary by concatenated A.C. contactor KM4, KM5, KM6 of the industrial frequency cabinet secondary circuit
Point connection firewire, is additionally provided with control module in industrial frequency cabinet secondary circuit, when control module is powered, manual depression of button or
After remotely accessing signal time t, the main contacts of A.C. contactor KM3 is disconnected, and the main contacts of A.C. contactor KM2 is attracted；It is described
Frequency conversion tank secondary circuit is used to control the conjunction of the main contacts of A.C. contactor KM4, A.C. contactor KM5, A.C. contactor KM6
It closes, and the auxiliary normally-closed contact of A.C. contactor KM1, KM2, KM3 by being connected in series access in firewire.
2. intelligent water pump control system according to claim 1, it is characterised in that: the industrial frequency cabinet secondary circuit includes hand
Dynamic, stopping, long-range control handle are used for switch mode, and manual mode contact connects the normally-closed contact and button of button switch PB2
The normally opened contact of switch PB1 is provided with three branches arranged side by side between button switch PB1 and zero curve, wherein a branch access
The coil of A.C. contactor KM1, second branch are sequentially ingressed into the auxiliary normally-closed contact of A.C. contactor KM2, time relay KT
Normally-closed contact and A.C. contactor KM3 coil, Article 3 branch is sequentially ingressed into the normally closed touching of auxiliary of A.C. contactor KM3
The coil of point, the normally opened contact of time relay KT and A.C. contactor KM2, coil one end access zero of time relay KT
Line, the other end access between auxiliary normally-closed contact and the normally-closed contact of time relay KT of A.C. contactor KM2；And the time after
The auxiliary normally opened contact of the normally opened contact parallel connection A.C. contactor KM2 of electric appliance KT；Button switch PB1 parallel connection A.C. contactor KM1
Auxiliary normally opened contact；The output end access button of the contact connection signal AM access module of remote mode, signal access module is opened
Close the node between A.C. contactor KM1 coil.
3. intelligent water pump control system according to claim 2, it is characterised in that: also wrapped in the industrial frequency cabinet secondary circuit
Power supply indicator, stopping indicator light and run indicator, the power supply indicator is included to be directly accessed between firewire and zero curve；Stop
It is only normal by the auxiliary of A.C. contactor KM4, KM5, KM6 again after the auxiliary normally-closed contact of indicator light connection A.C. contactor KM1
Closed contact connects in firewire；Run indicator passes through ac contactor after then connecting the auxiliary normally opened contact of A.C. contactor KM2 again
In the auxiliary normally-closed contact connection firewire of device KM4, KM5, KM6.
4. intelligent water pump control system according to claim 1, it is characterised in that: frequency conversion tank secondary circuit include manually,
Stopping, long-range control handle are used for switch mode, and the normally closed button switch PB4 in the manual mode contact and normally opened button are opened
PB3 is closed, relay KA1, KA2 coil in parallel is provided between button switch PB3 and zero curve, button switch parallel connection relay
Normally opened contact KA1 is further connected with the coil of relay KA3 between means mode contact and zero curve；Remote mode contact and part it
Between be respectively connected to the coil of relay KA5, the coil of the signal access module being connected in series and relay KA4；Manual mode touching
The coil of A.C. contactor KM5, KM6 in parallel is accessed between node and zero curve between point and the auxiliary normally-closed contact of KM3；It hands over
Zero curve is accessed in the coil one end for flowing contactor KM4, and the other end is accessed in firewire by relay KA3, KA5 in parallel；Relay
The normally opened contact of KA2, KA4 are separately connected the start and stop on the spot of frequency converter, long-range start and stop lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247846.1U CN208885493U (en) | 2018-12-27 | 2018-12-27 | Intelligent water pump control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247846.1U CN208885493U (en) | 2018-12-27 | 2018-12-27 | Intelligent water pump control system |
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| Publication Number | Publication Date |
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| CN208885493U true CN208885493U (en) | 2019-05-21 |
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ID=66518785
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822247846.1U Active CN208885493U (en) | 2018-12-27 | 2018-12-27 | Intelligent water pump control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145460A (en) * | 2019-06-03 | 2019-08-20 | 国家电网有限公司 | A kind of double water pump rotation start-up and shut-down control circuit |
| CN112234619A (en) * | 2020-10-28 | 2021-01-15 | 浙江佳乐科仪股份有限公司 | Frequency conversion rack of dual supply automatic switch-over |
| CN112350640A (en) * | 2020-10-30 | 2021-02-09 | 浙江佳乐科仪股份有限公司 | Nuclear-grade frequency conversion system for power frequency conversion switching |
| CN112737423A (en) * | 2020-12-23 | 2021-04-30 | 安徽新诺精工股份有限公司 | Motor control circuit and control method of numerical control machine tool |
| CN113872468A (en) * | 2021-08-27 | 2021-12-31 | 苏州浪潮智能科技有限公司 | Multi-mode control system of three-phase fixed-frequency pump |
-
2018
- 2018-12-27 CN CN201822247846.1U patent/CN208885493U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145460A (en) * | 2019-06-03 | 2019-08-20 | 国家电网有限公司 | A kind of double water pump rotation start-up and shut-down control circuit |
| CN112234619A (en) * | 2020-10-28 | 2021-01-15 | 浙江佳乐科仪股份有限公司 | Frequency conversion rack of dual supply automatic switch-over |
| CN112350640A (en) * | 2020-10-30 | 2021-02-09 | 浙江佳乐科仪股份有限公司 | Nuclear-grade frequency conversion system for power frequency conversion switching |
| CN112737423A (en) * | 2020-12-23 | 2021-04-30 | 安徽新诺精工股份有限公司 | Motor control circuit and control method of numerical control machine tool |
| CN112737423B (en) * | 2020-12-23 | 2024-05-03 | 安徽卓朴智能装备股份有限公司 | Motor control circuit and control method of numerical control machine tool |
| CN113872468A (en) * | 2021-08-27 | 2021-12-31 | 苏州浪潮智能科技有限公司 | Multi-mode control system of three-phase fixed-frequency pump |
| CN113872468B (en) * | 2021-08-27 | 2023-08-15 | 苏州浪潮智能科技有限公司 | Multimode control system of three-phase fixed-frequency pump |
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