CN211579381U - Secondary control device of high-pressure water pump motor - Google Patents
Secondary control device of high-pressure water pump motor Download PDFInfo
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- CN211579381U CN211579381U CN202020592878.XU CN202020592878U CN211579381U CN 211579381 U CN211579381 U CN 211579381U CN 202020592878 U CN202020592878 U CN 202020592878U CN 211579381 U CN211579381 U CN 211579381U
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Abstract
The utility model relates to an electrical equipment technical control field belongs to a secondary control device of high pressure water pump motor. The device comprises a secondary control box, an indicator light, an ammeter, a circuit breaker and a relay, and further comprises a starting button, a stopping button and a selection switch, wherein a control panel is arranged outside the secondary control box, and the ammeter, the starting button, the stopping button and the selection switch are fixedly mounted on the control panel; the selection switch adopts a multi-gear multi-stage change-over switch. The secondary control box is arranged in the water pump room, and the connecting circuit arranged in the secondary control box is matched with the selection switch, so that the selection of the control position is realized, and the control of starting and stopping of the water pump by operating personnel during the maintenance and debugging of the water pump is facilitated, thereby effectively saving the operation time and improving the efficiency of maintenance operation; through setting up the pilot lamp, the suggestion staff high pressure water pump motor operating condition has improved the security of work.
Description
Technical Field
The utility model relates to an electrical equipment technical control field belongs to a secondary control device of high pressure water pump motor.
Background
Because the large-scale, automatic and continuous production level of the steel plant is continuously improved, the requirement on the water quality of the water supply is higher and higher. The environmental protection laws and regulations are applied to more and more strictly limit the concentration of harmful substances in the discharged water, and the superiority of the circulating water supply system is more remarkable. The newly-built large-scale steel plant adopts a circulating water supply system. The circulating water pump has large power, generally hundreds to thousands of kilowatts, and needs to be driven by a high-voltage motor. The water pump motor is located the water pump room, and distribution room and master control room distance are than far away, lean on artifical real-time supervision and control water pump motor to open and stop very inconvenient and operate more difficultly, so to open and stop often adopt PLC and level sensor to carry out automatic control to water pump motor when normal production operation, set up to manual control again when overhauing or debugging the water pump.
However, the water pump needs to be frequently started and stopped during maintenance or debugging operation of the water pump, and the positions of the water pump room and the main control room (and the distribution room) are far away, so that great inconvenience is brought to the maintenance of the water pump, and related operators need to frequently go back and forth between the main control room, the distribution room and the water pump room. The time of maintenance and debugging operation is greatly increased, the production rhythm is influenced, and the labor intensity of operation maintenance personnel is increased. If when overhauing, through at master control room or electricity distribution room add the control personnel, solve this problem, but this great increase the human cost undoubtedly, such way also has certain potential safety hazard simultaneously.
In view of the above problems, it is an urgent task to develop a control device that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The problem that the unable convenient timely control water pump of operating personnel stops to open in order to solve large-scale mill water pump maintenance operation time opens, the utility model provides a secondary control device of high pressure water pump motor.
In order to realize the purpose, the utility model discloses a technical scheme is: a secondary control device of a high-pressure water pump motor comprises a secondary control box, an indicator lamp, an ammeter, a circuit breaker and a relay, wherein a corresponding control circuit is arranged in the secondary control box, the ammeter is connected with the high-pressure water pump motor in series, the circuit breaker and the relay are both arranged in the secondary control box, the circuit breaker and the relay are connected on a control circuit main line in series, the secondary control box further comprises a starting button, a stopping button and a selection switch, a control panel is arranged outside the secondary control box, and the ammeter, the starting button, the stopping button and the selection switch are fixedly arranged on the control panel;
the selector switch adopts multi-gear multi-stage change-over switch, wherein: two pairs of contact points of the first gear are respectively used for connecting a PLC automatic control circuit and a PLC closing switch; a pair of contacts of the second gear is connected with a manual control circuit of the high-voltage switch cabinet of the power distribution room; a pair of contacts of the third gear is connected with dry contacts arranged at a main power line of the high-pressure water pump motor; and a pair of contact points of the fourth gear is communicated with a starting button of the secondary control box.
To the utility model discloses can also do further improvement, the improvement scheme is as follows:
furthermore, a gear indicator lamp correspondingly connected with each gear of the selector switch is arranged on the secondary control box.
Furthermore, a closing indicator light and an opening indicator light are added on the secondary control box.
Furthermore, the selection switch adopts a five-gear two-stage change-over switch, and two pairs of contacts of the fifth gear are connected with the monitoring host of the main control room and a control circuit of the monitoring host to the water pump high-voltage motor.
Further, gear numbers corresponding to gears are set under the indicating lamps corresponding to the gears, and all the gear indicating lamps adopt green indicating lamps; the switching-off indicator lamp is a green indicator lamp, and the switching-on indicator lamp is a color indicator lamp; the start button and the stop button are respectively selected from a green button and a red button, and corresponding start and stop marks are pasted at corresponding positions of the buttons.
Compare with the control that traditional high-voltage motor water pump opened and stops, the beneficial effects of the utility model are that: the secondary control box is arranged in the water pump room, and the connecting circuit arranged in the secondary control box is matched with the selection switch, so that the selection of the control position is realized, and the control of starting and stopping of the water pump by operating personnel during the maintenance and debugging of the water pump is facilitated, thereby effectively saving the operation time and improving the efficiency of maintenance operation; through setting up the pilot lamp, the suggestion staff high pressure water pump motor operating condition has improved the security of work.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Figure 2 is a switch closure watch of the selector switch in the implementation of the present invention.
Fig. 3 is a circuit diagram of an embodiment of the present invention.
The reference numbers in the figures illustrate: a secondary control box 1; an ammeter 2; a selector switch 3; a start button 4; a stop button 5; a closing indicator lamp 6; a brake-off indicator light 7; gear indicator 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a secondary control device of high pressure water pump motor mainly comprises secondary control box 1, pilot lamp, ampere meter 2, circuit breaker, relay, start button 4, stop button 5 and selector switch 3 etc..
The secondary control box 1 is internally provided with a corresponding control circuit, the ammeter 2 is connected with the high-pressure water pump motor in series, the circuit breaker and the relay are both arranged in the secondary control box 1, and the circuit breaker and the relay are connected on a control circuit main line in series.
A control panel is arranged outside the secondary control box 1, and the ammeter 2, the start button 4, the stop button 5 and the selection switch 3 are fixedly arranged on the control panel; the selector switch 3 adopts a multi-gear multi-stage change-over switch, wherein: two pairs of contact points of the first gear are respectively used for connecting a PLC automatic control circuit and a PLC closing switch; a pair of contacts of the second gear is connected with a manual control circuit of the high-voltage switch cabinet of the power distribution room; a pair of contacts of the third gear is connected with dry contacts arranged at a main power line of the high-pressure water pump motor; a pair of contacts of the fourth gear is connected to the start button 4 of the secondary control box 1.
The selection of different units is realized by operating the selection switch 3 on the control panel of the secondary control box 1, thereby changing the control mode of the high-pressure water pump motor and controlling the starting and stopping spatial positions.
The following preferred structure can be adopted when implementing the utility model:
as a preferable configuration, the secondary control box 1 is provided with a shift indicator lamp 8 connected to each shift of the selector switch 3. The additional gear indicator lamp 8 is used for prompting the operator to select the effective gear of the switch 3 currently.
As a preferable structure, a closing indicator lamp 6 and an opening indicator lamp 7 are added to the secondary control box 1. And a closing indicator lamp 6 and an opening indicator lamp 7 are added. Through setting up separating brake pilot lamp 7 and closing a floodgate pilot lamp 6, the operating condition of suggestion staff high pressure water pump motor has improved the security of maintenance and debugging operation.
As an optimal structure, the selector switch 3 adopts a five-gear two-stage change-over switch, and two pairs of contacts of a fifth gear are connected with a monitoring host of the main control room and a control circuit of the monitoring host to the water pump high-voltage motor. The control of the motor of the high-pressure water pump is conveniently switched to the monitoring host machine according to the requirement during maintenance and debugging operation.
As a preferred structure, a gear number corresponding to a gear is set under an indicator lamp corresponding to the gear, and all gear indicator lamps 8 adopt green indicator lamps; the switching-off indicator lamp 7 is a green indicator lamp, and the switching-on indicator lamp 6 is a color indicator lamp; the start button 4 and the stop button 5 are respectively selected from a green button and a red button, and corresponding start and stop marks are pasted at corresponding positions of the buttons.
Compare with the control that traditional high-voltage motor water pump opened and stops, the utility model discloses the advantage of embodiment lies in: the secondary control box 1 is arranged in the water pump room, and the connecting circuit arranged in the secondary control box 1 is matched with the selector switch 3, so that the selection of a control position is realized, and the control of starting and stopping of the water pump by operating personnel during the maintenance and debugging of the water pump is facilitated, thereby effectively saving the operation time and improving the efficiency of maintenance operation; through setting up the pilot lamp, the suggestion staff high pressure water pump motor operating condition has improved the security of work.
The utility model discloses in each component that connects and adopt the wire (including the electric wire and the cable of different specifications) to connect between the contact.
The embodiment of the utility model provides a: the control panel of the secondary control box 1 is provided with one ammeter 2 for displaying the high-pressure water pump motor; a five-gear two-stage change-over switch (namely, a selector switch 3) is installed below the ammeter 2, and the type of the change-over switch is as follows: LW 5-15F 1461/5; a gear indicator lamp 8 is arranged below the change-over switch, and a first gear indicator lamp 8, a second gear indicator lamp 8, a third gear indicator lamp 8, a fourth gear indicator lamp 8 and a fifth gear indicator lamp 8 are arranged from left to right in sequence; a start button 4 and a stop button 5 are arranged below the gear indicator lamp 8; a closing indicator lamp 6 is arranged right below the starting button 4, and an opening indicator lamp 7 is arranged right below the stopping button 5. The correspondence relationship between the shift position contacts of the selector switch 3 of the present embodiment is shown in fig. 2.
The various indicator lights and the start button 4 and stop button 5 of this embodiment are in accordance with the preferred embodiment described above.
Referring to fig. 1 and 3 (the circuit corresponding to the letter in fig. 3 indicates that the first gear corresponds to the area a, the second gear corresponds to the area B, the third gear corresponds to the area C, the fourth gear corresponds to the area D, the fifth gear corresponds to the area E, and the high-voltage control cabinet corresponds to the area F), the using method of the embodiment:
a first gear: when the selector switch 3 is placed in the first position (in fig. 1, the selector switch 3 is horizontally directed to the left); two pairs of contacts 1-2 and 19-20 of the selector switch 3 are connected, and the high-pressure water pump motor is switched to a PLC automatic control mode.
A second gear: when the selector switch 3 is placed in the second gear position (in fig. 1, the knob of the selector switch 3 points to the left and is at an angle of 45 ° to the horizontal); the 5-6 (or 15-16) contact of the selector switch 3 is connected, the contact is connected with a dry contact arranged at a main power line of the high-pressure water pump motor, the on-off of the dry contact is controlled through a second gear, and the control mode of the high-pressure water pump motor is switched from a PLC automatic control mode to a manual control mode on the high-pressure switch cabinet. The contact selected to be closed in this embodiment is 5-6.
A third gear: when the selector switch 3 is placed in the third position (in fig. 1, the selector switch 3 is turned vertically and directed upward); the 9-10 (or 11-12) contact of the selector switch 3 is switched on, the high-pressure water pump motor is powered off, and any starting control point is invalid, so that the high-pressure water pump motor cannot be started. Select switch 3 transfers to this gear at the maintenance operation in-process of water pump and relevant equipment to avoid having the non-operation personnel to cause the injury to the operation personnel through other any mode start-up water pump under the condition of unwittingly. The contacts selected to be closed in this embodiment are 9-10.
A fourth gear: when the selector switch 3 is placed in the fourth gear (in fig. 1, the knob of the selector switch 3 is directed to the right and at an angle of 45 ° to the horizontal); the 7-8 (or 13-14) contact of the selector switch 3 is connected, the contact is connected with the starting switch, the high-pressure water pump motor is switched to the control mode of the secondary control box 1 (namely the starting and stopping of the high-pressure water pump motor are controlled by the starting button 4 and the stopping button 5), and the operator controls the high-pressure water pump motor manually. When an emergency occurs in production, manual intervention is needed, or the gear is switched to when the overhaul is finished and the test machine is finished. The contacts selected to be closed in this embodiment are 7-8.
A fifth gear: when the select switch 3 is placed in the fifth gear position (in fig. 1, the select switch 3 is rotated horizontally to the right); two pairs of contacts 3-4 and 17-18 of the selector switch 3 are respectively connected to a control circuit of the monitor, and the high-pressure water pump motor is switched to a mode controlled by the 10kV monitor.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (5)
1. The utility model provides a secondary controlling means of high pressure water pump motor, includes secondary control box, pilot lamp, ampere meter, circuit breaker and relay, be provided with corresponding control circuit in the secondary control box, the ampere meter concatenates with high pressure water pump motor, circuit breaker and relay all set up in the secondary control box, and circuit breaker and relay concatenate on the control circuit main line, its characterized in that: the secondary control box is characterized by also comprising a starting button, a stopping button and a selection switch, wherein a control panel is arranged outside the secondary control box, and the ammeter, the starting button, the stopping button and the selection switch are fixedly arranged on the control panel;
the selector switch adopts multi-gear multi-stage change-over switch, wherein: two pairs of contact points of the first gear are respectively used for connecting a PLC automatic control circuit and a PLC closing switch; a pair of contacts of the second gear is connected with a manual control circuit of the high-voltage switch cabinet of the power distribution room; a pair of contacts of the third gear is connected with a normally closed switch arranged at a main power line of the high-pressure water pump motor; and a pair of contact points of the fourth gear is communicated with a starting button of the secondary control box.
2. The secondary control apparatus of the high-pressure water pump motor according to claim 1, characterized in that: and a gear indicator lamp correspondingly connected with each gear of the selector switch is arranged on the secondary control box.
3. The secondary control apparatus of the high-pressure water pump motor according to claim 2, characterized in that: and a closing indicator lamp and an opening indicator lamp are added on the secondary control box.
4. The secondary control apparatus of the high-pressure water pump motor according to claim 3, characterized in that: the selection switch selects a five-gear two-stage change-over switch, and two pairs of contacts of a fifth gear are connected with a monitoring host of the main control chamber and a control circuit of the monitoring host to the water pump high-voltage motor.
5. The secondary control apparatus of the high-pressure water pump motor according to claim 4, characterized in that: setting gear numbers corresponding to gears under the indicator lamps corresponding to the gears, wherein all the gear indicator lamps adopt green indicator lamps; the switching-off indicator lamp is a green indicator lamp, and the switching-on indicator lamp is a color indicator lamp; the start button and the stop button are respectively selected from a green button and a red button, and corresponding start and stop marks are pasted at corresponding positions of the buttons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592878.XU CN211579381U (en) | 2020-04-20 | 2020-04-20 | Secondary control device of high-pressure water pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592878.XU CN211579381U (en) | 2020-04-20 | 2020-04-20 | Secondary control device of high-pressure water pump motor |
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| Publication Number | Publication Date |
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| CN211579381U true CN211579381U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020592878.XU Active CN211579381U (en) | 2020-04-20 | 2020-04-20 | Secondary control device of high-pressure water pump motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262174A (en) * | 2020-04-20 | 2020-06-09 | 中国二十二冶集团有限公司 | Secondary control device of high-pressure water pump motor |
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2020
- 2020-04-20 CN CN202020592878.XU patent/CN211579381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262174A (en) * | 2020-04-20 | 2020-06-09 | 中国二十二冶集团有限公司 | Secondary control device of high-pressure water pump motor |
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