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CN202696536U - In-situ and remote distributed control system (DCS) interlock electric device for electric machine - Google Patents

In-situ and remote distributed control system (DCS) interlock electric device for electric machine Download PDF

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Publication number
CN202696536U
CN202696536U CN2012202992582U CN201220299258U CN202696536U CN 202696536 U CN202696536 U CN 202696536U CN 2012202992582 U CN2012202992582 U CN 2012202992582U CN 201220299258 U CN201220299258 U CN 201220299258U CN 202696536 U CN202696536 U CN 202696536U
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local
switch
dcs
electric
circuit
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CN2012202992582U
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王胜涛
郝海燕
张超
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CHINA LIGHT INDUSTRY XI'AN DESIGN ENGINEERING Co Ltd
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CHINA LIGHT INDUSTRY XI'AN DESIGN ENGINEERING Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

本实用新型涉及一种电动机械用就地与远方DCS联锁电控装置。该电动机械用就地与远方DCS联锁电控装置包括主电路、控制电路和控制电源,所述主回路包括接触器、与接触器电连接的电机,其特征在于,所述控制电路包括就地与远方DCS联锁控制回路、远方DCS启动就地预告回路。该电动机械用就地与远方DCS联锁电控装置能够实现就地与远方DCS的联锁电控,操作安全、灵活,能够节省人力和物力及增加人的工作舒适度。

The utility model relates to an on-site and remote DCS interlocking electric control device for electric machinery. The local and remote DCS interlocking electric control device for electric machinery includes a main circuit, a control circuit and a control power supply, the main circuit includes a contactor, and a motor electrically connected to the contactor, and it is characterized in that the control circuit includes The local and remote DCS interlock the control loop, and the remote DCS starts the local forecast loop. The local and remote DCS interlocking electric control device for electric machinery can realize the interlocking electric control of local and remote DCS, the operation is safe and flexible, and it can save manpower and material resources and increase people's working comfort.

Description

A kind of motor machine with on the spot with distant place DCS interlocking electric control gear
Technical field
The utility model relates to the motor machine control field, particularly a kind of motor machine with on the spot with distant place DCS interlocking electric control gear.
Background technology
Aborning, the personnel of electric mechanical equipment production run operation control need to have at fingertips to the electric mechanical equipment running status.For the automation that operates control to save the man power and material, realize the DCS(Distributed Control System) automatic operation control or interlocked control, but bring safety and flexibility problem.Therefore, to having the electric mechanical equipment of automatic operation control or interlocked operation control, manual operation control be arranged and remove the control of DCS automatic operation or the function of interlocked operation control.
Simultaneously, in order to save man power and material and increase people's work comfort level, distant place DCS automatic operation control be realize, safety and flexibility problem equally also brought.For example, be in two places operation control, and the electric mechanical equipment that needs distant place DCS automatic operation control, local operation control is arranged and remove the function that distant place DCS automatic operation is controlled, especially when unexpected starting may jeopardize on every side personal security, DCS starting motor tool equipment place, a distant place will give that electric mechanical equipment is other to be sent distant place starting anticipating signal or adopt on the spot emergency power off and lock on the spot the safety measure that a distant place can not be opened.
Summary of the invention
The purpose of this utility model be to provide a kind of motor machine with on the spot with the interlocking electric control gear in a distant place, it can realize automatically controlled with the interlocking of distant place DCS on the spot, handling safety, flexibly can be saved the man power and material and be increased people's work comfort level.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of motor machine with on the spot with distant place DCS interlocking electric control gear, comprise main circuit, control circuit and control power supply, described major loop comprises contactor, the motor that is electrically connected with contactor, it is characterized in that described control circuit comprises starting with DCS interlocked control loop, a distant place, distant place DCS on the spot predicts the loop on the spot.
Characteristics of the present utility model and further the improvement are:
(1) described distant place DCS starts and predicts on the spot between the both positive and negative polarity that the loop is connected to the control power supply, is to be started the advance notice switch and predicted on the spot the series loop that electric bell consists of by distant place DCS.The further improvement of technique scheme is, the described electric bell of predicting on the spot is parallel with and predicts on the spot indicator light; The described electric bell of predicting on the spot is parallel with distant place DCS electric bell indicator light.
(2) describedly comprise three road change over switches with DCS interlocked control loop, a distant place on the spot, three input short circuits of three road change over switches are connected in series a scram button on the spot between the positive pole of its short circuit point and described control power supply; The first, the 3rd output of described three road change over switches is distant place DCS control end, and the second output is control end on the spot; Connect successively between the second output of described three road change over switches and the negative pole of described control power supply on the spot stop button, on the spot start button, contactor coil, auxiliary switch often driven by first of contactor and described on the spot start button is in parallel; Be in series with successively distant place DCS shutdown switch and the first auxiliary relay coil between the 3rd output of described three road change over switches and the negative pole of described control power supply; Connect the successively end of auxiliary normally closed switch of distant place DCS starting switch and the first auxiliary relay of the first output of described three road change over switches, the other end of the auxiliary normally closed switch of the first auxiliary relay connect the on the spot common node of start button and contactor coil.
Further improvement in the technical proposal is, is serially connected with thermal relay in the described main circuit, and the normally closed auxiliary switch of described thermal relay is connected between contactor coil and the control power cathode; It further improves and is, described interlocking electric control gear also comprises the emergency stop valve trip show circuit, described emergency stop valve trip show circuit is connected between the both positive and negative polarity of control power supply, often drives auxiliary switch by first of the emergency stop valve trip indicator light of connecting and thermal relay and forms; It further improves and is, is serially connected with circuit breaker in the described main circuit, and first of the short circuit tripping operation auxiliary switch of described circuit breaker and described thermal relay often opened the auxiliary switch parallel connection.
(3) described interlocking electric control gear also comprises the switching signal loop, and described switching signal loop is connected between the both positive and negative polarity of control power supply, is often to open the series loop that auxiliary switch and combined floodgate indicator light consist of by second of contactor.
(4) described interlocking electric control gear also comprises the trip signal loop, and described trip signal loop is connected between the both positive and negative polarity of control power supply, is the series loop that is made of the first normally closed auxiliary switch of contactor and the indicator light that trips.
The utility model motor machine with on the spot with the interlocking electric control gear of distant place DCS in, control circuit comprises starting with DCS interlocked control loop, a distant place, distant place DCS on the spot predicts the loop on the spot; Distant place DCS starts and to predict on the spot between the both positive and negative polarity that the loop is connected to the control power supply, is to be started the advance notice switch and predicted on the spot the series loop that electric bell consists of by distant place DCS, predicts on the spot electric bell and is parallel with and predicts on the spot indicator light.When distant place DCS starts, can carry out on the spot acousto-optic advance notice, the fail safe that improves remote operation at equipment by electric bell and indicator light.Simultaneously, predict on the spot electric bell and be parallel with distant place DCS electric bell indicator light, be used for the indication that distant place DCS starts the advance notice switch.
In addition, comprise three road change over switches with DCS interlocked control loop, a distant place on the spot, three input short circuits of three road change over switches are connected in series a scram button on the spot between the positive pole of its short circuit point and described control power supply, scram button has under the failure condition on the spot, preferentially stops the function of faulty equipment.Therefore, the utility model can be realized automatically controlled with the interlocking of distant place DCS on the spot, handling safety, flexible, and the while also can be saved the man power and material and increase people's work comfort level.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Fig. 1 be a kind of motor machine of the present utility model with on the spot with the main circuit line map of distant place DCS interlocking electric control gear.
Fig. 2 is that the distant place DCS in the control circuit starts the line map of predicting on the spot the loop;
Fig. 3 be in the control circuit on the spot with DCS interlocked control loop, a distant place, switching signal loop, trip signal loop and emergency stop valve trip show circuit isocorrelate road figure.
Embodiment
With reference to Fig. 1, for a kind of motor machine of the present utility model with on the spot with the main circuit of distant place DCS interlocking electric control gear, wherein, the three-phase main power source connects three phase electric machine M by circuit breaker Q M, contactor KM, thermal relay KH successively, and the centre is provided with current transformer TAv on mutually.
In conjunction with Fig. 2, for starting, the distant place DCS in the control circuit predicts on the spot the loop, this loop is connected between the both positive and negative polarity of control power supply, to start advance notice switch I SRF and predict on the spot the series loop that electric bell HA consists of by distant place DCS, distant place DCS starts advance notice switch I SRF and is installed on DCS control room, a distant place, predict on the spot electric bell HA and be installed on device context, being used for distant place DCS startup forward direction device context provides the sound schedule information; Simultaneously, predict on the spot electric bell HA and be parallel with the on the spot advance notice indicator light 1HY2 that is installed in device context, being used for distant place DCS startup forward direction device context provides the light schedule information; Predict on the spot electric bell HA and be parallel with distant place DCS electric bell indicator light 1HY1, distant place DCS electric bell indicator light 1HY1 is arranged on DCS control room, a distant place, is used for feeding back the executing state that distant place DCS starts schedule information to the operator.In addition, the positive terminal of control power supply is in series with fuse, for the protection of the control power supply.
In conjunction with Fig. 3, for comprising in the control circuit on the spot and DCS interlocked control loop, a distant place, switching signal loop, trip signal loop and emergency stop valve trip show circuit.
Comprise three road change over switch SA with DCS interlocked control loop, a distant place on the spot, three inputs of three road change over switch SA (1,3, No. 5 binding post of corresponding SA) short circuit, be connected in series a scram button S on the spot between the positive pole of its short circuit point and control power supply, be used for promptly or accident preferentially stops motor rotation.The first, the 3rd output of three road change over switch SA (2, No. 6 binding posts of corresponding SA) is distant place DCS control end, and the second output (No. 4 binding posts of corresponding SA) is control end on the spot.Wherein, connect successively on the spot between the negative pole of the second output of three road change over switch SA and control power supply stop button SS, the normally closed auxiliary switch of start button SF, contactor coil and thermal relay on the spot, first of contactor KM often drives auxiliary switch and start button SF is in parallel on the spot, the automatic maintenance after being used for starting on the spot.Be in series with successively distant place DCS shutdown switch DCS-K2 and the first auxiliary relay KA1 coil between the negative pole of the 3rd output of three road change over switch SA and control power supply; Connect the successively end of auxiliary normally closed switch of distant place DCS starting switch DCS-K1 and the first auxiliary relay KA1 of the first output of three road change over switch SA, the other end of the auxiliary normally closed switch of the first auxiliary relay KA1 connect the on the spot common node of start button and contactor coil; Distant place DCS starting switch DCS-K1 directly realizes the start-up performance of equipment, and distant place DCS shutdown switch DCS-K2 realizes the hold function of equipment by the auxiliary normally closed switch of the first auxiliary relay KAI.
The emergency stop valve trip show circuit is connected between the both positive and negative polarity of control power supply, often drives auxiliary switch by first of the emergency stop valve trip indicator light HR that connects and thermal relay KH and forms, and the thermal tripping of crossing that is used for field apparatus (motor) shows; First of the short circuit tripping operation auxiliary switch of circuit breaker Q M and thermal relay KH often opens the auxiliary switch parallel connection, and the tripping operation that is used for control circuit breaker Q M shows.
The switching signal loop is connected between the both positive and negative polarity of control power supply, is often to open the series loop that auxiliary switch and combined floodgate indicator light HW1 consist of by second of contactor KM, and the "on" position information that is used for main circuit shows that the reflection field apparatus is in running status.
The trip signal loop is connected between the both positive and negative polarity of control power supply, is the series loop that is made of the first normally closed auxiliary switch of contactor KM and the indicator light HG that trips, and the tripped condition information that is used for main circuit shows that the reflection field apparatus is in halted state.
In addition, the positive terminal of control power supply is in series with fuse, for the protection of the control power supply.
Although below by reference to the accompanying drawings embodiment of the present utility model is described, the utility model is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art in the situation that does not break away from the scope that the utility model claim protects, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.

Claims (10)

1.一种电动机械用就地与远方DCS联锁电控装置,包括主电路、控制电路和控制电源,所述主回路包括接触器、与接触器电连接的电机,其特征在于,所述控制电路包括就地与远方DCS联锁控制回路、远方DCS启动就地预告回路。  1. A local and remote DCS interlocking electric control device for electric machinery, comprising a main circuit, a control circuit and a control power supply, the main circuit comprising a contactor, a motor electrically connected to the contactor, characterized in that the The control circuit includes the interlocking control loop of the local and remote DCS, and the remote DCS starts the local forecasting loop. the 2.根据权利要求1所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述远方DCS启动就地预告回路连接在控制电源的正负极之间,是由远方DCS启动预告开关和就地预告电铃构成的串联回路。  2. The on-site and remote DCS interlock electric control device for electric machinery according to claim 1, characterized in that the remote DCS start-up local forecast circuit is connected between the positive and negative poles of the control power supply, and is controlled by remote The DCS starts the series loop formed by the pre-announcement switch and the local pre-announcement electric bell. the 3.根据权利要求2所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述就地预告电铃并联有就地预告指示灯。  3. The local and remote DCS interlocking electronic control device for electric machinery according to claim 2, characterized in that the local warning bell is connected in parallel with a local warning indicator light. the 4.根据权利要求2所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述就地预告电铃并联有远方DCS电铃指示灯。  4. The local and remote DCS interlocking electronic control device for electric machinery according to claim 2, characterized in that the local pre-announcement electric bell is connected in parallel with a remote DCS electric bell indicator light. the 5.根据权利要求1所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述就地与远方DCS联锁控制回路包括三路转换开关,三路转换开关的三个输入端短接,其短接点与所述控制电源的正极之间串接一就地急停按钮;所述三路转换开关的第一、第三输出端为远方DCS控制端,第二输出端为就地控制端;所述三路转换开关的第二输出端与所述控制电源的负极之间依次串联就地停止按钮、就地启动按钮、接触器线圈,接触器的第一常开辅助开关和所述就地启动按钮并联;所述三路转换开关的第三输出端与所述控制电源的负极之间依次串联有远方DCS停止开关和第一中间继电器线圈;所述三路转换开关的第一输出端依次串联远方DCS启动开关和第一中间继电 器的辅助常闭开关的一端,第一中间继电器的辅助常闭开关的另一端连接就地启动按钮和接触器线圈的公共节点。  5. The local and remote DCS interlocking electric control device for electric machinery according to claim 1, wherein the local and remote DCS interlocking control circuit includes a three-way switch, and the three-way switch of the three-way switch The first and third output terminals of the three-way changeover switch are remote DCS control terminals, and the second output terminal terminal is the local control terminal; the second output terminal of the three-way transfer switch and the negative pole of the control power supply are connected in series with the local stop button, the local start button, the contactor coil, and the first normally open contactor The auxiliary switch is connected in parallel with the local start button; a remote DCS stop switch and a first intermediate relay coil are serially connected in series between the third output terminal of the three-way changeover switch and the negative pole of the control power supply; the three-way changeover switch The first output end of the switch is connected in series with one end of the remote DCS start switch and the auxiliary normally closed switch of the first intermediate relay, and the other end of the auxiliary normally closed switch of the first intermediate relay is connected with the public of the local start button and the contactor coil node. the 6.根据权利要求5所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述主电路中串接有热继电器,所述热继电器的常闭辅助开关连接在接触器线圈和控制电源负极之间。  6. The local and remote DCS interlocking electric control device for electric machinery according to claim 5, wherein a thermal relay is connected in series in the main circuit, and the normally closed auxiliary switch of the thermal relay is connected to the contactor Between the coil of the device and the negative pole of the control power supply. the 7.根据权利要求6所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述联锁电控装置还包括事故跳闸显示回路,所述事故跳闸显示回路连接在控制电源的正负极之间,是由串联的事故跳闸指示灯和热继电器的第一常开辅助开关组成。  7. The local and remote DCS interlocking electric control device for electric machinery according to claim 6, characterized in that, the interlocking electric control device also includes an emergency trip display circuit, and the accident trip display circuit is connected to the control Between the positive and negative poles of the power supply is composed of a series-connected emergency trip indicator light and the first normally open auxiliary switch of the thermal relay. the 8.根据权利要求7所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述主电路中串接有断路器,所述断路器的短路跳闸辅助开关和所述热继电器的第一常开辅助开关并联。  8. The local and remote DCS interlocking electric control device for electric machinery according to claim 7, wherein a circuit breaker is connected in series in the main circuit, and the short-circuit tripping auxiliary switch of the circuit breaker and the The first normally open auxiliary switch of the thermal relay is connected in parallel. the 9.根据权利要求1所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述联锁电控装置还包括合闸信号回路,所述合闸信号回路连接在控制电源的正负极之间,是由接触器的第二常开辅助开关和合闸指示灯构成的串联回路。  9. The local and remote DCS interlocking electric control device for electric machinery according to claim 1, characterized in that, the interlocking electric control device also includes a closing signal circuit, and the closing signal circuit is connected to the control Between the positive and negative poles of the power supply is a series circuit formed by the second normally open auxiliary switch of the contactor and the closing indicator light. the 10.根据权利要求1所述的电动机械用就地与远方DCS联锁电控装置,其特征在于,所述联锁电控装置还包括跳闸信号回路,所述跳闸信号回路连接在控制电源的正负极之间,是由接触器的第一常闭辅助开关和跳闸指示灯构成的串联回路。  10. The local and remote DCS interlocking electric control device for electric machinery according to claim 1, characterized in that, the interlocking electric control device also includes a trip signal circuit, and the trip signal circuit is connected to the control power supply Between the positive and negative poles is a series circuit formed by the first normally closed auxiliary switch of the contactor and the trip indicator light. the
CN2012202992582U 2012-06-25 2012-06-25 In-situ and remote distributed control system (DCS) interlock electric device for electric machine Expired - Lifetime CN202696536U (en)

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CN106325116A (en) * 2015-06-30 2017-01-11 上海梅山钢铁股份有限公司 Remote switching type execution mechanism and control method
CN108574426A (en) * 2018-06-04 2018-09-25 河南森源电气股份有限公司 A kind of electric motor starting control system
CN109510550A (en) * 2018-12-17 2019-03-22 安徽海螺集团有限责任公司 The electric machine control system of cement kiln flue gas capture system
CN111240291A (en) * 2020-03-23 2020-06-05 蚌埠凯盛工程技术有限公司 DCS-based flange device control system and control method
CN112289619A (en) * 2020-10-21 2021-01-29 山东泰开智能配电有限公司 Control device for grounding switch

Cited By (9)

* Cited by examiner, † Cited by third party
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CN106325116A (en) * 2015-06-30 2017-01-11 上海梅山钢铁股份有限公司 Remote switching type execution mechanism and control method
CN106325116B (en) * 2015-06-30 2020-07-21 上海梅山钢铁股份有限公司 Remote switch type actuating mechanism and control method
CN108574426A (en) * 2018-06-04 2018-09-25 河南森源电气股份有限公司 A kind of electric motor starting control system
CN108574426B (en) * 2018-06-04 2024-02-20 河南森源电气股份有限公司 Motor starting control system
CN109510550A (en) * 2018-12-17 2019-03-22 安徽海螺集团有限责任公司 The electric machine control system of cement kiln flue gas capture system
CN109510550B (en) * 2018-12-17 2024-01-30 安徽海螺集团有限责任公司 Motor control system for cement kiln flue gas carbon capture system
CN111240291A (en) * 2020-03-23 2020-06-05 蚌埠凯盛工程技术有限公司 DCS-based flange device control system and control method
CN112289619A (en) * 2020-10-21 2021-01-29 山东泰开智能配电有限公司 Control device for grounding switch
CN112289619B (en) * 2020-10-21 2023-09-15 山东泰开智能配电有限公司 Control device for grounding switch

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