CN103016325B - A kind of raw water service pump control gear - Google Patents
A kind of raw water service pump control gear Download PDFInfo
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- CN103016325B CN103016325B CN201210520534.8A CN201210520534A CN103016325B CN 103016325 B CN103016325 B CN 103016325B CN 201210520534 A CN201210520534 A CN 201210520534A CN 103016325 B CN103016325 B CN 103016325B
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- contactor
- manual
- control circuit
- automatic
- raw water
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Abstract
The present invention relates to a kind of raw water service pump control gear, comprise manual contactor KM2, automatic contactor KM1 and throw over switch SA1, described manual contactor and described automatic contactor are connected to form automatic control circuit and manual control circuit by throw over switch, wherein, automatic control circuit comprises manual contactor KM2, automatic contactor KM1, manual stop button SB1 and manual actuation of button SB2, after described manual contactor KM2 is in parallel with described manual actuation of button SB2, connect with described automatic contactor KM1, manual stop button and throw over switch SA1; Described manual control circuit comprises the automatic contactor KM1 and manual contactor KM2 that connect with throw over switch SA1.Present invention, avoiding because of cannot normal start and stop water pump during the abnormal conditions such as communicating interrupt, ensure that the normal production of steel-making, and structure is simple, easy to assembly, applicability be strong.
Description
Technical field
The present invention relates to a kind of hand automatic switching control equipment, be specifically related to a kind of raw water service pump control gear.
Background technique
Pumping station evaporative cooling water raw water service pump have employed Siemens S120 Series Frequency Converter when designing, and carry out communication by Profibus agreement between PLC, but water pump on off control can only be carried out on WinCC picture on water pump controls, on off control cannot be carried out to water pump on the spot.Once cannot normal start and stop water pump when there are the abnormal conditions such as communicating interrupt, the normal water pump run also can termination of pumping suddenly simultaneously, causes great potential safety hazard when blowing to steel-making.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of on-site manual to control raw water service pump, the continuous running of assure feed water pump, reduces the raw water service pump control gear of potential safety hazard.
In order to solve above technical problem, the invention provides a kind of raw water service pump control gear, comprise manual contactor KM2, automatic contactor KM1 and throw over switch SA1, described manual contactor and described automatic contactor are connected to form automatic control circuit and manual control circuit by throw over switch, wherein, automatic control circuit comprises manual contactor KM2, automatic contactor KM1, manual stop button SB1 and manual actuation of button SB2, after described manual contactor KM2 is in parallel with described manual actuation of button SB2, with described automatic contactor KM1, manual stop button and throw over switch SA1 connect, described manual control circuit comprises the automatic contactor KM1 and manual contactor KM2 that connect with throw over switch SA1.
The technological scheme that the present invention limits further is: described automatic control circuit also comprises the interlock protection contactor KM3 connected with automatic contactor KM1.
Further, described automatic control circuit also comprises the fan operation control circuit of connecting with automatic contactor KM1, described fan operation control circuit comprises manual contactor KM2, thermorelay FR and fan operation contactor KM4, in parallel with fan operation contactor KM4 after described manual contactor KM2 connects with described thermorelay FR.
Further, described manual control circuit also comprises the interlock protection contactor KM3 in parallel with described automatic contactor KM1.
Further, described device also comprises the operation indicating circuit in parallel with described automatic control circuit and manual control circuit and stops indicating circuit, described operation indicating circuit comprises the manual contactor KM2 of series connection mutually and manual run indicator HR2, and described stopping indicating circuit comprising the manual contactor KM2 of series connection mutually and manually stops tutorial light HR1.
Further, described device also comprises the failure indicating circuit in parallel with described automatic control circuit and manual control circuit, and described failure indicating circuit comprises thermorelay FR and the fault indicating lamp HR3 of series connection mutually.
The invention has the beneficial effects as follows: a kind of raw water service pump control gear disclosed by the invention, throw over switch, contactor, button and tutorial light is increased in control cabinet, realize hand to automatically switch, avoid because of cannot normal start and stop water pump during the abnormal conditions such as communicating interrupt, ensure that the normal production of steel-making, and structure is simple, and easy to assembly, applicability is strong.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of raw water service pump control gear disclosed by the invention;
Fig. 2 is the application circuit of a kind of raw water service pump control gear disclosed by the invention.
Embodiment
embodiment 1
A kind of raw water service pump control gear that the present embodiment provides, its circuit diagram as shown in Figure 1, comprise manual contactor KM2, automatic contactor KM1 and throw over switch SA1, described manual contactor and described automatic contactor are connected to form automatic control circuit and manual control circuit by throw over switch.
Automatic control circuit comprises manual contactor KM2, automatic contactor KM1, manual stop button SB1 and manual actuation of button SB2, after described manual contactor KM2 is in parallel with described manual actuation of button SB2, connect with described automatic contactor KM1, manual stop button and throw over switch SA1.Described automatic control circuit also comprises the interlock protection contactor KM3 connected with automatic contactor KM1.Described automatic control circuit also comprises the fan operation control circuit of connecting with automatic contactor KM1, described fan operation control circuit comprises manual contactor KM2, thermorelay FR and fan operation contactor KM4, in parallel with fan operation contactor KM4 after described manual contactor KM2 connects with described thermorelay FR.
Described manual control circuit comprises the automatic contactor KM1 and manual contactor KM2 that connect with throw over switch SA1.Described manual control circuit also comprises the interlock protection contactor KM3 in parallel with described automatic contactor KM1.
In addition, described device also comprises the operation indicating circuit in parallel with described automatic control circuit and manual control circuit, stops indicating circuit and failure indicating circuit.Described operation indicating circuit comprises the manual contactor KM2 of series connection mutually and manual run indicator HR2.Described stopping indicating circuit comprising the manual contactor KM2 of series connection mutually and manually stops tutorial light HR1.Described failure indicating circuit comprises thermorelay FR and the fault indicating lamp HR3 of series connection mutually.
A kind of raw water service pump control gear of the present invention is when applying, circuit diagram as shown in Figure 2, throw over switch is beaten at automatic running position under normal circumstances, the start and stop of devaporizer raw water service pump are controlled by PLC, when PLC provides actuating signal, KM1, KM3 adhesive contactor obtains electric adhesive, and raw water service pump is by frequency variator converting operation; When communication outage or other faults cannot automatic start-stop water pump time; beaten by throw over switch in manual position, press SB2, KM2 obtains electric self-locking; water pump power frequency operation, KM3 plays because the normally closed disconnection of KM2 adhesive cannot obtain electric adhesive the protective action preventing the anti-power transmission of frequency variator simultaneously.
In addition to the implementation, the present invention can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (5)
1. a raw water service pump control gear, it is characterized in that, comprise manual contactor KM2, automatic contactor KM1 and throw over switch SA1, described manual contactor and described automatic contactor are connected to form automatic control circuit and manual control circuit by throw over switch, wherein, manual control circuit comprises manual contactor KM2, automatic contactor KM1, manual stop button SB1 and manual actuation of button SB2, after described manual contactor KM2 is in parallel with described manual actuation of button SB2, connect with described automatic contactor KM1, manual stop button and throw over switch SA1; Described automatic control circuit comprises the automatic contactor KM1 and manual contactor KM2 that connect with throw over switch SA1;
Described manual control circuit also comprises the fan operation control circuit of connecting with automatic contactor KM1, described fan operation control circuit comprises manual contactor KM2, thermorelay FR and fan operation contactor KM4, in parallel with fan operation contactor KM4 after described manual contactor KM2 connects with described thermorelay FR.
2. a kind of raw water service pump control gear according to claim 1, is characterized in that, described automatic control circuit also comprises the interlock protection contactor KM3 connected with automatic contactor KM1.
3. a kind of raw water service pump control gear according to claim 1, is characterized in that, described manual control circuit also comprises the interlock protection contactor KM3 in parallel with described automatic contactor KM1.
4. a kind of raw water service pump control gear according to claim 1, it is characterized in that, described device also comprises the operation indicating circuit in parallel with described automatic control circuit and manual control circuit and stops indicating circuit, described operation indicating circuit comprises the manual contactor KM2 of series connection mutually and manual run indicator HR2, and described stopping indicating circuit comprising the manual contactor KM2 of series connection mutually and manually stops tutorial light HR1.
5. a kind of raw water service pump control gear according to claim 1, it is characterized in that, described device also comprises the failure indicating circuit in parallel with described automatic control circuit and manual control circuit, and described failure indicating circuit comprises thermorelay FR and the fault indicating lamp HR3 of series connection mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210520534.8A CN103016325B (en) | 2012-12-07 | 2012-12-07 | A kind of raw water service pump control gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210520534.8A CN103016325B (en) | 2012-12-07 | 2012-12-07 | A kind of raw water service pump control gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016325A CN103016325A (en) | 2013-04-03 |
| CN103016325B true CN103016325B (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210520534.8A Active CN103016325B (en) | 2012-12-07 | 2012-12-07 | A kind of raw water service pump control gear |
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| Country | Link |
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| CN (1) | CN103016325B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422068B (en) * | 2013-08-26 | 2017-02-01 | 珠海格力电器股份有限公司 | Water pump interlocking control system and method |
| CN104179669A (en) * | 2014-07-26 | 2014-12-03 | 徐家成 | Sewage pump control device |
| CN106438308B (en) * | 2016-08-24 | 2018-01-09 | 葛盛善 | Wireless remote control, manually two-to-one conversion and control electric pump mechanism |
| CN106678027A (en) * | 2017-01-17 | 2017-05-17 | 无锡市天利流体科技有限公司 | Color oil pump |
| CN107781952A (en) * | 2017-04-06 | 2018-03-09 | 北京中联智能科技有限公司 | A kind of special secondary circuit control system of data center's chilled water pump |
| CN110007590B (en) * | 2019-04-16 | 2022-09-23 | 北京电子工程总体研究所 | Connection switching circuit of measurement and control system, measured target and simulator |
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| CN2692551Y (en) * | 2004-04-13 | 2005-04-13 | 东营市同舟水暖设备有限公司 | Frequency change thermostatic heating controller |
| CN201592897U (en) * | 2009-12-02 | 2010-09-29 | 山东海力化工股份有限公司 | Auto-controlled belt conveyer |
| CN102135063A (en) * | 2011-04-15 | 2011-07-27 | 侯林松 | Water flow control system |
| CN102269445A (en) * | 2011-07-19 | 2011-12-07 | 史雪梅 | Heating system energy-saving control device |
| CN203009253U (en) * | 2013-01-04 | 2013-06-19 | 四川省仁德制药有限公司 | Control circuit of air compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6473177A (en) * | 1987-09-14 | 1989-03-17 | Kokudo Denki Kogyo Kk | Pump control unit |
| CN201593638U (en) * | 2009-09-29 | 2010-09-29 | 安康供电局 | Power station butterfly valve remote automatic control system |
| US20110209489A1 (en) * | 2010-03-01 | 2011-09-01 | Lawson Sr Reynold Kenneth | Heat pump defrost control |
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2012
- 2012-12-07 CN CN201210520534.8A patent/CN103016325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692551Y (en) * | 2004-04-13 | 2005-04-13 | 东营市同舟水暖设备有限公司 | Frequency change thermostatic heating controller |
| CN201592897U (en) * | 2009-12-02 | 2010-09-29 | 山东海力化工股份有限公司 | Auto-controlled belt conveyer |
| CN102135063A (en) * | 2011-04-15 | 2011-07-27 | 侯林松 | Water flow control system |
| CN102269445A (en) * | 2011-07-19 | 2011-12-07 | 史雪梅 | Heating system energy-saving control device |
| CN203009253U (en) * | 2013-01-04 | 2013-06-19 | 四川省仁德制药有限公司 | Control circuit of air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016325A (en) | 2013-04-03 |
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Effective date of registration: 20171124 Address after: Suzhou City, Jiangsu province 215621 Le Yu Zhen Jian Feng Cun Zhangjiagang Zhaofeng Street (Gangfeng Road) Patentee after: Jiangsu Lian Feng Industrial Equipment Installation Engineering Co., Ltd. Address before: Nanfeng town Zhangjiagang city Suzhou city Jiangsu province 215628 wing Jiangsu Yonggang group Patentee before: Jiangsu Yonggang Group Co., Ltd. |
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Address after: 215621 Jianfeng village, Zhaofeng street, Zhangjiagang, Suzhou, Jiangsu province (Hong Feng Road) Patentee after: Jiangsu Lian Feng Industrial Equipment Technology Co., Ltd. Address before: 215621 Jianfeng village, Zhaofeng street, Zhangjiagang, Suzhou, Jiangsu province (Hong Feng Road) Patentee before: Jiangsu Lian Feng Industrial Equipment Installation Engineering Co., Ltd. |
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