CN105697348A - Water pump control cabinet with self-coupledvoltage-reduced starting function - Google Patents

Water pump control cabinet with self-coupledvoltage-reduced starting function Download PDF

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Publication number
CN105697348A
CN105697348A CN201610029324.7A CN201610029324A CN105697348A CN 105697348 A CN105697348 A CN 105697348A CN 201610029324 A CN201610029324 A CN 201610029324A CN 105697348 A CN105697348 A CN 105697348A
Authority
CN
China
Prior art keywords
water pump
chamber
control system
cabinet
plc control
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.)
Granted
Application number
CN201610029324.7A
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Chinese (zh)
Other versions
CN105697348B (en
Inventor
蔡德章
顾雷兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Leide Electric Control Equipment Co Ltd
Original Assignee
Shanghai Leide Electric Control Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Shanghai Leide Electric Control Equipment Co Ltd filed Critical Shanghai Leide Electric Control Equipment Co Ltd
Priority to CN201610029324.7A priority Critical patent/CN105697348B/en
Publication of CN105697348A publication Critical patent/CN105697348A/en
Application granted granted Critical
Publication of CN105697348B publication Critical patent/CN105697348B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity

Abstract

The invention discloses a water pump control cabinet with a self-coupled voltage-reduced starting function. The water pump control cabinet adopts the structure that the input end of a circuit breaker is connected with a power input end; the output end of the circuit breaker is connected with both a PLC control system and an alternating current contactor; the signal output end of the PLC control system is connected with an auto-transformer through the alternating current contactor; the output end of the auto-transformer is connected with at least one water pump motor; and the alternating current contactor is connected with the water pump motor through a thermal overload relay. The water pump control cabinet provided by the invention is reasonable in design and simple in structure, and can effectively protect a power grid and a pipe network from a relatively great impact caused by the starting current. Furthermore, primary equipment and secondary equipment can be effectively separated from each other, so that maintenance personnel are effectively protected from electric shocks when maintaining the secondary equipment, the personal safety of the maintenance personnel is improved, and a high level of protection is achieved.

Description

Auto-coupling voltage-reduction starting water pump control cabinet
Technical field
The present invention relates to switch board technical field, be related specifically to auto-coupling voltage-reduction starting water pump control cabinet。
Background technology
Water pump control cabinet is primarily adapted for use in the automatic pump of the multiple occasion such as industrial and agricultural production and all kinds of building water supply, draining, fire-fighting, spray pipe network supercharging and HVAC hot and cold water circulation。
When starting pump motor, usually can there is overload and full voltage starting, and then make the big impact that electrical network and pipe network cause by starting current in existing water pump control cabinet;Another, the existing primary equipment being arranged within water pump control cabinet and secondary device are installed in this interior intracavity, when secondary device is keeped in repair by maintainer, it is easy to make maintainer touch primary equipment, it is susceptible to get an electric shock, thus having had a strong impact on the personal safety of maintainer。
But for the deficiencies in the prior art, developer is necessary to develop a kind of reasonable in design, simple in construction, can effectively prevent starting current from electrical network and pipe network are caused bigger impact, primary equipment and secondary device can also be made to efficiently separate come simultaneously, effectively avoid maintainer that situation about getting an electric shock occurs when secondary device is keeped in repair, improve the personal safety of maintainer, the auto-coupling voltage-reduction starting water pump control cabinet that degree of protection is high。
Summary of the invention
For solving prior art Problems existing, the object of the invention provides a kind of reasonable in design, simple in construction, can effectively prevent starting current from electrical network and pipe network are caused bigger impact, primary equipment and secondary device can also be made to efficiently separate come simultaneously, effectively avoid maintainer that situation about getting an electric shock occurs when secondary device is keeped in repair, improve the personal safety of maintainer, the auto-coupling voltage-reduction starting water pump control cabinet that degree of protection is high。
For solving above technical problem, the present invention realizes by the following technical solutions:
Auto-coupling voltage-reduction starting water pump control cabinet, it is characterized in that, including cabinet, chopper, A.C. contactor, thermal overload relay, autotransformer and PLC control system, it is provided with dividing plate inside described cabinet, cabinet is spaced apart two independent chambers by described dividing plate, respectively the first chamber and the second chamber, described chopper and A.C. contactor are arranged in the first chamber, described thermal overload relay, autotransformer and PLC control system are arranged in the second chamber, described cabinet is hinged with and covers the first door body being located on the first chamber and cover the second door body being located on the second chamber, in the outside of described second door body, the control knob being connected with PLC control system is installed, it is also equipped with automatic/hand rotary switch in the outside of described second door body;
The input of described chopper is connected with power input, the outfan of described chopper is connected with PLC control system and A.C. contactor respectively, the signal output part of described PLC control system is connected with autotransformer by A.C. contactor, the outfan of described autotransformer is connected with at least one pump motor, and described A.C. contactor is connected with pump motor by thermal overload relay。
In a preferred embodiment of the invention, described first door body is provided with handle。
In a preferred embodiment of the invention, being provided with display lamp that is corresponding with control knob and that show its duty in the outside of described second door body, described display lamp is connected with control knob。
In a preferred embodiment of the invention, it is provided with register in described second chamber interior, described register includes temperature sensor, temperature controller and cooling fan, the signal output part of described temperature sensor is connected with the signal input part of PLC control system, the signal input part of described temperature controller is connected with the signal output part of PLC control system, and the outfan of described temperature controller is connected with cooling fan。
Compared with prior art, the invention has the beneficial effects as follows that function admirable, control mode are flexible, capacity of resisting disturbance is strong, stable and reliable in work;Circuit design is short and sweet, clear thinking, be easy to accident analysis and maintenance;Pump motor realizes starting by autotransformer, to electrical network and pipe network without impact, is greatly prolonged water pump, motor and tubing and controls the service life of equipment;Another, dividing plate it is provided with in cabinet, and cabinet is spaced apart the first separate chamber and the second chamber by dividing plate, during installation, chopper and A.C. contactor are arranged in the first chamber, thermal overload relay, autotransformer and PLC control system are arranged in the second chamber, when thermal overload relay, autotransformer and PLC control system are keeped in repair by maintainer, only need to open the second door body to carry out keeping in repair, effectively avoid maintainer that situation about getting an electric shock occurs when secondary device is keeped in repair, improve the personal safety of maintainer。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention 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 the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the structural representation of the present invention。
Fig. 2 is the structural representation after the present invention opens。
Fig. 3 is the frame diagram of the present invention。
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further。
Shown in seeing figures.1.and.2, the auto-coupling voltage-reduction starting water pump control cabinet provided in figure, it is characterised in that include cabinet 100, chopper 600, A.C. contactor 800, thermal overload relay 1000, autotransformer 900 and PLC control system 700。
Being provided with dividing plate 200 inside cabinet 100, cabinet 100 is spaced apart two independent chambers by dividing plate 200, respectively the first chamber 110 and the second chamber 120, and the first chamber 110 is arranged on the upside of the second chamber 120。
Chopper 600 and A.C. contactor 800 are arranged in the first chamber 110, thermal overload relay 1000, autotransformer 900 and PLC control system 700 are arranged in the second chamber 120, effectively avoid maintainer that situation about getting an electric shock occurs when thermal overload relay 1000, autotransformer 900 and PLC control system 700 are keeped in repair, improve the personal safety of maintainer。
Cabinet 100 is hinged with and covers the first door body 300 being located on the first chamber 110 and cover the second door body 400 being located on the second chamber 120, the hinge 320 that passes on left of the first door body 300 is hinged on the left side of cabinet 100, the right side of the first door body 300 is connected on the right side of cabinet 100 by the first door lock 310, the hinge 450 that passes on left of the second door body 400 is hinged on the left side of cabinet 100, and the right side of the second door body 400 is connected on the right side of cabinet 100 by the second door lock 440。
The control knob 410 being connected with PLC control system 700 is installed in the outside of the second door body 400, is also equipped with automatic/hand rotary switch 420 in the outside of the second door body 400, can easy adjustment be manually or automatically by automatic/hand rotary switch 420。
Being provided with handle 330 in the outside of the first door body 300, the setting of handle 330 can make operator conveniently open the first door body 300, further increases the Practical Performance of this water pump control cabinet。
In the outside of the second door body 400, the display lamp 430 corresponding with control knob 410 is installed, display lamp 430 is connected with control knob 410, display lamp 430 can show the duty of corresponding control knob 410, operator can be made to be apparent from the duty of switch board, further increase the Practical Performance of this water pump control cabinet。
It is equipped with register in the second chamber 120, louvre (figure not shown in the figures) is offered at the back side of the second chamber 120, register includes temperature sensor 1210, temperature controller 1220 and cooling fan 1230, cooling fan 1230 is arranged on louvre place, the signal output part of temperature sensor 1210 is connected with the signal input part of PLC control system 700, the signal input part of temperature controller 1220 is connected with the signal output part of PLC control system 700, the outfan of temperature controller 1220 is connected with cooling fan 1230, temperature signal in second chamber 120 is delivered to PLC control system 700 by temperature sensor 1210, when the temperature in the second chamber 120 is higher than the high temperature values set, PLC control system 700 controls temperature controller 1220 and works, so that cooling fan 1230 works, cooling fan 1230 makes the temperature of the second chamber 120 reduce, when the temperature in the second chamber 120 is lower than the low-temperature values set, PLC control system 700 controls temperature controller 1220 and quits work, quit work thus controlling cooling fan 1230, improve the heat dispersion of this water pump control cabinet, also reduce the consumption of the energy simultaneously。
The invention has the beneficial effects as follows that function admirable, control mode are flexible, capacity of resisting disturbance is strong in sum, stable and reliable in work;Circuit design is short and sweet, clear thinking, be easy to accident analysis and maintenance;Pump motor realizes starting by autotransformer, to electrical network and pipe network without impact, is greatly prolonged water pump, motor and tubing and controls the service life of equipment;Another, dividing plate it is provided with in cabinet, and cabinet is spaced apart the first separate chamber and the second chamber by dividing plate, during installation, chopper and A.C. contactor are arranged in the first chamber, thermal overload relay, autotransformer and PLC control system are arranged in the second chamber, when thermal overload relay, autotransformer and PLC control system are keeped in repair by maintainer, only need to open the second door body to carry out keeping in repair, effectively avoid maintainer that situation about getting an electric shock occurs when secondary device is keeped in repair, improve the personal safety of maintainer。
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。

Claims (4)

1. auto-coupling voltage-reduction starting water pump control cabinet, it is characterized in that, including cabinet, chopper, A.C. contactor, thermal overload relay, autotransformer and PLC control system, it is provided with dividing plate inside described cabinet, cabinet is spaced apart two independent chambers by described dividing plate, respectively the first chamber and the second chamber, described chopper and A.C. contactor are arranged in the first chamber, described thermal overload relay, autotransformer and PLC control system are arranged in the second chamber, described cabinet is hinged with and covers the first door body being located on the first chamber and cover the second door body being located on the second chamber, in the outside of described second door body, the control knob being connected with PLC control system is installed, it is also equipped with automatic/hand rotary switch in the outside of described second door body;
The input of described chopper is connected with power input, the outfan of described chopper is connected with PLC control system and A.C. contactor respectively, the signal output part of described PLC control system is connected with autotransformer by A.C. contactor, the outfan of described autotransformer is connected with at least one pump motor, and described A.C. contactor is connected with pump motor by thermal overload relay。
2. auto-coupling voltage-reduction starting water pump control cabinet as claimed in claim 1, it is characterised in that: in described first door body, it is provided with handle。
3. auto-coupling voltage-reduction starting water pump control cabinet as claimed in claim 1, it is characterised in that: be provided with display lamp that is corresponding with control knob and that show its duty in the outside of described second door body, described display lamp is connected with control knob。
4. auto-coupling voltage-reduction starting water pump control cabinet as claimed in claim 1, it is characterized in that: be provided with register in described second chamber interior, described register includes temperature sensor, temperature controller and cooling fan, the signal output part of described temperature sensor is connected with the signal input part of PLC control system, the signal input part of described temperature controller is connected with the signal output part of PLC control system, and the outfan of described temperature controller is connected with cooling fan。
CN201610029324.7A 2016-01-15 2016-01-15 Auto-coupling voltage-reduction starting water pump control cabinet Expired - Fee Related CN105697348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610029324.7A CN105697348B (en) 2016-01-15 2016-01-15 Auto-coupling voltage-reduction starting water pump control cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610029324.7A CN105697348B (en) 2016-01-15 2016-01-15 Auto-coupling voltage-reduction starting water pump control cabinet

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CN105697348A true CN105697348A (en) 2016-06-22
CN105697348B CN105697348B (en) 2018-01-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04191481A (en) * 1990-11-26 1992-07-09 Ebara Corp Controller for electric equipment
CN202268831U (en) * 2011-10-10 2012-06-06 南存芳 Intelligent boost self-coupling voltage-reduction starting cabinet
CN202282552U (en) * 2011-09-30 2012-06-20 华自科技股份有限公司 Low-voltage unit screening cabinet
CN203840696U (en) * 2014-05-23 2014-09-17 南通天雅电梯部件有限公司 Novel elevator control cabinet heat-radiating device
WO2015021252A1 (en) * 2013-08-07 2015-02-12 Graco Minnesota Inc. Electronic pump motor control
CN204314678U (en) * 2015-01-15 2015-05-06 江苏东成自控系统有限公司 A kind of intelligent type frequency-conversion switch board
CN204538524U (en) * 2015-04-29 2015-08-05 刘浴霜 A kind of environmental control system of wind-powered electricity generation electrical control cabinet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04191481A (en) * 1990-11-26 1992-07-09 Ebara Corp Controller for electric equipment
CN202282552U (en) * 2011-09-30 2012-06-20 华自科技股份有限公司 Low-voltage unit screening cabinet
CN202268831U (en) * 2011-10-10 2012-06-06 南存芳 Intelligent boost self-coupling voltage-reduction starting cabinet
WO2015021252A1 (en) * 2013-08-07 2015-02-12 Graco Minnesota Inc. Electronic pump motor control
CN203840696U (en) * 2014-05-23 2014-09-17 南通天雅电梯部件有限公司 Novel elevator control cabinet heat-radiating device
CN204314678U (en) * 2015-01-15 2015-05-06 江苏东成自控系统有限公司 A kind of intelligent type frequency-conversion switch board
CN204538524U (en) * 2015-04-29 2015-08-05 刘浴霜 A kind of environmental control system of wind-powered electricity generation electrical control cabinet

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