CN212079592U - Intelligence dredge pump control box - Google Patents
Intelligence dredge pump control box Download PDFInfo
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- CN212079592U CN212079592U CN202020479545.6U CN202020479545U CN212079592U CN 212079592 U CN212079592 U CN 212079592U CN 202020479545 U CN202020479545 U CN 202020479545U CN 212079592 U CN212079592 U CN 212079592U
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Abstract
The utility model discloses an intelligence dredge pump control box, including box and the power indicator lamp of setting outside at the box, the operation pilot lamp, super high liquid level alarm indicator lamp, the fault indicator lamp, manual/automatic switch-over button, the start button, stop button, the inside PLC controller that is provided with of box, liquid level relay, electrothermal relay and contactor, the input of PLC controller is connected with start button, stop button and manual/automatic switch-over button respectively, PLC's output is power indicator lamp, operation pilot lamp, super high liquid level alarm indicator lamp and fault indicator lamp electric connection respectively, the control end of PLC controller respectively with liquid level relay and electrothermal relay electric connection, the contactor respectively with liquid level relay with electrothermal relay electric connection, dredge pump and contactor electric connection. The scheme can realize liquid level detection uploading and ultrahigh liquid level alarming, and automatic starting and automatic adjustment of the sewage pump, and has low sewage discharge cost and low power consumption.
Description
Technical Field
The utility model relates to a heat transfer station blowdown field especially relates to an intelligence blowdown pump control case.
Background
The strong discharge pump control box in heat transfer station is the equipment of control dredge pump automatic operation, and the automatic cursory valve control that mainly is of present dredge pump control mode is mostly controlled on the spot, and functional single, and cursory valve extremely blocks easily and dies, and then causes the automation to open and stop the inefficacy. Traditional heat exchange station dredge pump control box only possesses and opens the function of stopping on the spot, can't upload to dispatch center with dredge pump running state and blowdown hole interior liquid level to and do not possess long-range opening and stop the function. Whether the working condition of the sewage pump control box is normal or not mainly depends on the periodic test of inspection personnel, and the accumulated water condition of a sewage drainage pit in the station mainly depends on the observation of transportation and inspection personnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides an intelligent sewage pump control box that possesses sewage pit liquid level teletransmission, super high liquid level warning, dredge pump automatic start, automatically regulated function.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an intelligence dredge pump control box, includes the box and sets up at the outside power indicator, operation pilot lamp, super high liquid level alarm indicator, fault indicator, manual/automatic switch-over button, start button and stop button of box, and the box is inside to be provided with PLC controller, liquid level relay, thermorelay and contactor, the input of PLC controller respectively with start button, stop button and manual/automatic switch-over button connect, PLC's output respectively power indicator, operation pilot lamp, super high liquid level alarm indicator and fault indicator electric connection, the control end of PLC controller respectively with liquid level relay with thermorelay electric connection, the contactor respectively with liquid level relay with thermorelay electric connection, dredge pump and contactor electric connection.
Further, still include the ultrasonic wave level gauge, the ultrasonic wave level gauge sets up in the blowdown hole for gather the liquid level height in blowdown hole, the ultrasonic wave level gauge with PLC controller electric connection.
Further, still include host terminal for monitoring analysis sewage pump control box behavior, host terminal with the PLC controller is connected.
Furthermore, the sewage treatment device also comprises a camera, wherein the camera is used for collecting water level information of the sewage draining pit, and the camera is connected with the PLC.
The utility model has the advantages that:
1. the liquid level remote transmission of the sewage draining pit can be realized, and the phenomenon that the measurement result is inaccurate due to the contact with impurities in the traditional method is avoided;
2. when the liquid level of the sewage draining pit is higher than a set value, automatically alarming, and uploading an alarm signal to an upper terminal for analysis and processing;
3. a contact type liquid level relay is adopted, so that the problem that the sewage pump cannot work normally due to the clamping of a float is avoided;
4. the starting number of the sewage pumps can be automatically controlled according to the liquid level, and the sewage cost and the power consumption are reduced.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a schematic view of a control box panel according to an embodiment of the present invention.
Fig. 4 is a circuit diagram of a control box according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a level relay according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of control mode switching according to an embodiment of the present invention.
In fig. 2: 1-control box body, 2-camera, 3-ultrasonic liquid level meter, 4-sewage pump.
In fig. 3: 5-power indicator light, 6-first dredge pump operation indicator light, 7-second dredge pump operation indicator light, 8-fault indicator light, 9-ultrahigh liquid level alarm indicator light, 10-first dredge pump start button, 11-first dredge pump stop button, 12-second dredge pump start button, 13-second dredge pump stop button, 14-manual/automatic switching button.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1 to 3, an intelligent sewage pump control box includes a box 1, and a power indicator 5, an operation indicator, an ultra-high liquid level alarm indicator 9, a fault indicator 8, a manual/automatic switching button 14, a start button and a stop button which are arranged outside the box, and a PLC controller, a liquid level relay, a thermal relay and a contactor are arranged inside the box 1. In this embodiment, two dredge pumps are provided, the start button of which comprises a first dredge pump start button 10 and a second dredge pump start button 12, the stop button comprises a first dredge pump stop button 11 and a second dredge pump stop button 13, and the operation indicator lamp comprises a first dredge pump operation indicator lamp 6 and a second dredge pump operation indicator lamp 7. The utility model discloses a can set up the dredge pump number according to actual conditions in other embodiments, the corresponding control button who corresponds dredge pump quantity that sets up, simultaneously the utility model discloses a liquid level relay also can set up the place outside the dredge pump control box, is convenient for change the maintenance.
The input end of the PLC controller is respectively connected with a start button, a stop button and a manual/automatic switching button 14, and the start and stop of the motor of the sewage pump and the switching of the operation mode of the control box can be manually controlled. The output of PLC is power indicator 5, running indicator, super high liquid level warning indicator 9 and trouble lamp 8 electric connection respectively, shows the circular telegram condition, running state and the abnormal conditions of intelligent dredge pump control box respectively.
The control end of the PLC controller is respectively electrically connected with the liquid level relay and the thermal relay, the contactor is respectively electrically connected with the liquid level relay and the thermal relay, and the sewage pump is electrically connected with the contactor. The PLC controller controls to start the corresponding number of sewage pump motors according to the liquid level height of the sewage pit, monitors the running condition of the sewage pump motors through the thermal relay, and can break a circuit in time when the motors run in an overload state to protect the safety of the sewage pump motors.
In addition, intelligence sewage pump control box still includes ultrasonic wave level gauge 3, camera 2 and host terminal, ultrasonic wave level gauge 3 and camera 2 all set up in the blowdown hole, respectively with PLC controller electric connection, ultrasonic wave level gauge 3 is used for gathering the liquid level height information in blowdown hole to upload liquid level height information and handle to the PLC controller. The camera 2 is used for collecting the liquid level height image information of the sewage drainage pit and assisting monitoring personnel in judging the alarm reason of the sewage drainage pump control box. The upper terminal is connected with the PLC, receives information uploaded by the PLC and displays the information on the terminal, and the working condition and abnormal conditions of the sewage pump control box are monitored and analyzed in real time.
In this embodiment, as shown in fig. 4 to 5, the control box has two control modes, namely "manual" and "automatic", and when the monitoring personnel select the "manual" control mode through the manual/automatic switching button 14, the two motors are respectively started through the start buttons "1 SF" and "2 SF", and the same principle is applied when the motors are stopped.
The liquid level relay is provided with the contact in the blowdown hole, when selecting "automatic" control mode in the blowdown hole, when the position that the blowdown hole liquid level surpassed liquid level relay contact settlement when the "1 KA" and "2 KA" will be respectively got electric, and normally open contact is closed, "1 KM" and "2 KM" actuation respectively, and two motors start, realize the automatic start of dredge pump motor. Different with current dredge pump automatic start mode, the utility model discloses in with original cursory formula break-make relay, change into the liquid level relay who adopts the contact formula, the liquid level relay contact will switch on when the water level rises, and then the contactor actuation realizes the motor operation, has solved present dredge pump automatic control because cursory blocking, leads to unable normal work, and then the phenomenon of water logging heat transfer station.
A group of signals are led out from the spare normally open contact of the contactor and transmitted to a spare point of a PLC DI/DO module, a motor running time warning function is added in a PLC controller, and warning signals are uploaded to an upper terminal. For example, the PLC controller sends an alarm signal when the sewage pump is started to operate for more than five minutes, and after the upper terminal receives the alarm signal, a monitoring person can find out whether the alarm reason is water leakage of the heat exchange station or the fault of the electric system of the sewage pump in the shortest time by matching with the image information uploaded by the camera 2.
A group of signals are led out from a normally open point of the thermal relay to a standby point of the PLC DI module, the electrical operation condition of the motor of the sewage pump can be detected, and the upper terminal receives an operation alarm signal of the motor through the PLC controller while the thermal relay reports a fault.
In this embodiment, consider that the interior debris of blowdown pit are more, ultrasonic wave level gauge 3 is chooseed for use to the level gauge the utility model discloses an in some embodiments also can adopt the level gauge that has liquid level acquisition detection function. The sewage pump control box in the embodiment can remotely transmit the liquid level information of the sewage pit to the upper terminal for display, and the implementation method comprises the following steps: set up ultrasonic wave level gauge 3 in the relevant position in blowdown hole, the liquid level information in blowdown hole and the PLC controller is sent to ultrasonic wave level gauge 3 collection, and the PLC controller uploads the liquid level information to superior terminal again, and after digital-to-analog conversion, with liquid level information change analog signal show on superior terminal, realize blowdown hole liquid level teletransmission. Because the ultrasonic liquid level meter 3 is adopted for liquid level measurement, the liquid level meter does not need to be contacted with a medium in a sewage disposal pit, thereby avoiding the phenomenon of inaccurate measurement result caused by the contact with impurities in the traditional method.
In this embodiment, intelligence sewage pump control box has set up super high liquid level alarming function, when the PLC controller detected through ultrasonic wave level gauge 3 that the blowdown hole liquid level is higher than the setting value of PLC controller, then sent liquid level alarm signal to upper terminal. The PLC is provided with a motor running time warning function, so that running signals and running time of the motor of the sewage pump can be monitored and counted. When the PLC controller collects the operation signals of the two sewage pump motors and the operation time of the sewage pump motors exceeds five minutes, the PLC controller transmits signals to the upper terminal, the signals are ultrahigh liquid level abnormal state signals, and meanwhile, the ultrahigh liquid level alarm indicator lamp 9 of the intelligent sewage pump control box is turned on. In addition, the limit value of the running time of the motor of the sewage pump in the PLC can be automatically adjusted according to the actual conditions of the capacity of the sewage pit, the running power of the motor and the like.
In this embodiment, intelligence dredge pump control box has still set up the automatically regulated function, can be under "automatic" control mode, according to the blowdown hole liquid level height, and one or more dredge pump work of automatic start. The implementation process of the function is as follows: because the control box adopts contact type liquid level relays, one liquid level relay corresponds to one sewage pump motor. Firstly, setting a low and high liquid level limit level, setting a low and high liquid level limit point corresponding to the liquid level limit level in the sewage disposal pit according to the liquid level limit level, and respectively setting contacts of liquid level relays corresponding to different sewage disposal pump motors at the low and high liquid level limit point in the sewage disposal pit. When the liquid level of the sewage pit exceeds the low liquid level, one sewage pump motor is automatically started, when the liquid level of the sewage pit exceeds the high liquid level, two or more sewage pump motors are started to run simultaneously, when the liquid level is reduced, one or more sewage pump motors are automatically stopped to work, when the liquid level is reduced to be below the low liquid level, all the sewage pump motors are automatically stopped to work, and the power consumption of the motors can be saved.
In this embodiment, as shown in fig. 6, the intelligent sewage pump control box has a manual start-stop function in an "automatic" operating state. And in an automatic state, the PLC controller obtains a signal for switching value, recognizes that the sewage pump is in an automatic running state, and starts and stops working according to the signal of the liquid level relay. When abnormal signals appear, the PLC of the intelligent sewage pump control box is artificially controlled, and the output signals of the relay are changed, so that the sewage pump is emergently stopped. The abnormal signal is a signal indicating that an abnormal state occurs when the liquid level of the sewage pump is high and the running signal time exceeds the set time.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An intelligent sewage pump control box is characterized by comprising a box body, and a power indicator, an operation indicator, an ultrahigh liquid level alarm indicator, a fault indicator, a manual/automatic switching button, a starting button and a stopping button which are arranged outside the box body, wherein a PLC (programmable logic controller), a liquid level relay, a thermal relay and a contactor are arranged inside the box body, the input end of the PLC is respectively connected with the starting button, the stopping button and the manual/automatic switching button, the output end of the PLC is respectively and electrically connected with the power indicator, the operation indicator, the ultrahigh liquid level alarm indicator and the fault indicator, the control end of the PLC is respectively and electrically connected with the liquid level relay and the thermal relay, the contactor is respectively electrically connected with the liquid level relay and the thermal relay, and the sewage pump is electrically connected with the contactor.
2. The intelligent sewage pump control box of claim 1, further comprising an ultrasonic level meter disposed in the sewage pit for collecting a liquid level height of the sewage pit, the ultrasonic level meter being electrically connected to the PLC controller.
3. The intelligent sewage pump control box of claim 1, further comprising an upper terminal for monitoring and analyzing the operation of the sewage pump control box, wherein the upper terminal is connected with the PLC.
4. The intelligent sewage pump control box of claim 1, further comprising a camera for collecting water level information of a sewage pit, the camera being connected to the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020479545.6U CN212079592U (en) | 2020-04-03 | 2020-04-03 | Intelligence dredge pump control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020479545.6U CN212079592U (en) | 2020-04-03 | 2020-04-03 | Intelligence dredge pump control box |
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| Publication Number | Publication Date |
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| CN212079592U true CN212079592U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020479545.6U Expired - Fee Related CN212079592U (en) | 2020-04-03 | 2020-04-03 | Intelligence dredge pump control box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183331A (en) * | 2021-12-10 | 2022-03-15 | 浙江中杭水泵股份有限公司 | Remote control system of high-efficient dredge pump |
| CN114842629A (en) * | 2022-05-18 | 2022-08-02 | 国家电投集团东方新能源股份有限公司热力分公司 | Water immersion alarm method, device and system for heating station |
-
2020
- 2020-04-03 CN CN202020479545.6U patent/CN212079592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183331A (en) * | 2021-12-10 | 2022-03-15 | 浙江中杭水泵股份有限公司 | Remote control system of high-efficient dredge pump |
| CN114842629A (en) * | 2022-05-18 | 2022-08-02 | 国家电投集团东方新能源股份有限公司热力分公司 | Water immersion alarm method, device and system for heating station |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Addressee: Wu Wei Document name: Refund Approval Notice |
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| DD01 | Delivery of document by public notice |