CN213843861U - Immersible pump remote control system - Google Patents
Immersible pump remote control system Download PDFInfo
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- CN213843861U CN213843861U CN202022672047.6U CN202022672047U CN213843861U CN 213843861 U CN213843861 U CN 213843861U CN 202022672047 U CN202022672047 U CN 202022672047U CN 213843861 U CN213843861 U CN 213843861U
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Abstract
The utility model relates to a submersible pump remote control system, which belongs to the technical field of submersible pumps; the system comprises a PLC (programmable logic controller), a network communication module, an optical cable transmission module and an upper computer, wherein the network communication module is communicated with the upper computer through the optical cable transmission, the network communication module is connected with a digital quantity input end of the PLC, the PLC controls the submersible pump to work through an electric control module, the electric control module is connected with a voltage and current acquisition module, and an output end of the voltage and current acquisition module is connected with an analog quantity input end of the PLC; the network camera is arranged on the working site of the submersible pump and is communicated with the upper computer through optical cable transmission; the system has the advantages of stable operation, capability of realizing remote start and stop, capability of monitoring parameters such as operating current and voltage, convenience, safety and great popularization and application values in the aspects of convenient operation and capability of reducing personnel and improving efficiency of enterprises.
Description
Technical Field
The utility model relates to a immersible pump remote control system belongs to immersible pump technical field.
Background
In enterprises such as mines and metallurgy, submersible pumps for production water are often far away from factories and are frequently started and stopped, and production units need to arrange special posts or personnel to start and stop the pumps on site, so that manpower resources are wasted, and safety management is not facilitated. In order to facilitate operation, reduce personnel and increase efficiency, the submersible pump is determined to be innovatively designed and remotely controlled.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the submerged pump remote control system overcomes the defects of the prior art, is stable in operation, can realize remote start and stop, can monitor parameters such as operating current and voltage, and is convenient and safe.
The utility model discloses a immersible pump remote control system, including PLC controller, network communication module, optical cable transmission and host computer, network communication module passes through optical cable transmission and host computer communication, and network communication module connects PLC controller digital quantity input, and the PLC controller controls the immersible pump work through electric control module, electric control module is connected with voltage and current acquisition module, voltage and current acquisition module output connect PLC controller analog quantity input; the network camera is arranged on the working site of the submersible pump and is communicated with the upper computer through optical cable transmission.
The upper computer is communicated with the PLC through an optical cable transmission module and a network communication module, and the PLC controls the submersible pump to work through an electric control module.
Preferably, the electrical control module comprises a contactor 1KM, a contactor 2KM, a contactor 3KM, an autotransformer QZB and a protector GDH, one end of the protector GDH is connected with a power supply, the other end of the protector is connected with the contactor 1KM and the contactor 2KM, the other end of the contactor 2KM is connected with the autotransformer QZB, the other end of the autotransformer QZB is connected with the contactor 3KM, and the other end of the contactor 1KM and the output end of the autotransformer QZB are connected with the submersible pump.
The PLC controller controls the submersible pump to work through the contactor 1KM, the contactor 2KM and the contactor 3 KM.
Preferably, the electrical control module further comprises a start-stop relay KAY, a time relay KT and an instantaneous relay KA, wherein one end of a first auxiliary normally open contact of the start-stop relay KAY is connected with a live wire a, the other end of the first auxiliary normally open contact of the instantaneous relay KA is connected with a first normally closed contact of a contactor 3KM, the other end of the first normally closed contact of the instantaneous relay KA is connected with a coil of the contactor 3KM, the other end of the first auxiliary normally open contact of the contactor 3KM is connected with a coil of the contactor 2KM and a coil of the time relay KT, the coil of the contactor 2KM and the coil of the time relay KT are connected in parallel, and the other ends of the coils of the contactor 3KM, the contactor 2KM and the time relay KT are connected with a zero line N; one end of a second normally open contact of the start-stop relay KAY is connected with the live wire A, the other end of a second normally open contact of the start-stop relay KAY is connected with a first auxiliary normally closed contact of the contactor 1KM, a second normally open contact of the instant relay KA, a normally open contact of the time relay KT, a third normally open contact of the instant relay KA and a second auxiliary normally open contact of the contactor 1KM, the other end of the first auxiliary normally closed contact of the contactor 1KM is connected with a first auxiliary normally open contact of the contactor 2KM, the other end of the first auxiliary normally open contact of the contactor 2KM is connected with the other end of the first auxiliary normally open contact of the contactor 3KM, the other end of the second normally open contact of the instant relay KA is connected with a coil of the instant relay KA, the other end of the normally open contact of the time relay KT is connected with a second auxiliary normally open contact of the contactor 2KM, the other end of the second auxiliary normally open contact of the contactor 2KM is connected with the coil of the instant relay KA, the third normally open contact of instantaneous relay KA is connected with the supplementary normally closed contact of second of contactor 3KM, and contactor 3 KM's the supplementary normally closed contact other end of second is connected with contactor 1 KM's coil, and contactor 1 KM's the supplementary normally open contact other end of second is connected contactor 3 KM's the supplementary normally closed contact of second, and zero line N is connected to instantaneous relay KA and contactor 1 KM's the coil other end.
The PLC controls the contactor 1KM, the contactor 2KM and the contactor 3KM through the start-stop relay KAY, so that the submersible pump is controlled to work.
Preferably, the electrical control module further comprises a start instruction HL2, a stop instruction HL1 and an operation instruction HL3, wherein one end of the start instruction HL2 is connected with a zero line N, the other end of the start instruction HL2 is connected with a third auxiliary normally-open contact of the contactor 3KM, the other end of the third auxiliary normally-open contact of the contactor 3KM is connected with a third auxiliary normally-closed contact of the contactor 1KM, and the other end of the third auxiliary normally-closed contact of the contactor 1KM is connected with a live line a; one end of the stop indication HL1 is connected with the zero line N, the other end of the stop indication HL1 is connected with a third auxiliary normally-closed contact of the contactor 2KM, and the other end of the third auxiliary normally-closed contact of the contactor 2KM is connected with a third auxiliary normally-closed contact of the contactor 1 KM; and one end of the operation instruction HL3 is connected with a zero line N, and the other end of the operation instruction HL3 is connected with a fourth auxiliary normally open contact of the contactor 1 KM.
The starting indicator HL2, the stopping indicator HL1 and the running indicator HL3 are used for indicating the working state of the submersible pump.
Preferably, electrical control module still includes change over switch SA1, relay KA0, stop button 1SB, start button 2SB, and live wire A, the other end is connected to the automatic one end of change over switch SA1 start and stop relay KAY's first supplementary normally open contact one end with start and stop relay KAY's second normally open contact one end, and live wire A, the coil and the normally open contact of relay KA0 are connected to the manual one end of change over switch SA1, the other end, and zero line N is connected to relay KA 0's the coil other end, and stop button 1SB is connected to relay KA 0's the normally open contact other end, and stop button 1SB other end is connected start and stop relay KAY's the second normally open contact other end, and start button 2SB is connected contactor 1 KM's first supplementary normally closed contact with instantaneous relay KA's first normally closed contact.
The PLC controller starts an automatic or manual mode through a change-over switch SA1, and the manual mode is added to facilitate field operation.
Preferably, when the voltage and current acquisition module acquires that the current is too high or too low, and the voltage is too high or too low, the PLC sends an alarm signal to an upper computer; when the voltage and current acquisition module acquires that the current is continuously too high or too low and the voltage is continuously too high or too low, the PLC sends a stop signal to the electrical control module after a set time.
When the voltage and current acquisition module acquires that the current is too high or too low and the voltage is too high or too low, an alarm signal is popped up on an operation interface of the upper computer to remind an operator to carry out inspection processing; and the voltage and current acquisition module acquires that the current is continuously too high or too low and the voltage is continuously too high or too low, and the PLC controller controls the submersible pump to automatically stop after a set time.
Preferably, the PLC controller adopts Siemens 200 series PLC, and the network communication module adopts an Ethernet communication module CP 243-1.
Preferably, the voltage and current collecting module includes a current transformer 1TA and a voltmeter V.
Preferably, optical fiber transceivers are adopted at two transmission ends of the optical cable for carrying out electric signal/optical signal conversion, and a single-mode optical cable is used for carrying out signal transmission.
Compared with the prior art, the utility model discloses following beneficial effect has:
immersible pump remote control system, the operation is stable, can realize long-range opening and shutting to can monitor operating current, voltage isoparametric, it is both convenient, safe again, have very big popularization and application and worth in the aspect of the reduction of the operator of convenient operation and realization enterprise increases.
Drawings
Fig. 1 is a schematic diagram of the remote control system of the submersible pump according to the present invention;
fig. 2 is a schematic diagram of the electrical control module of the present invention.
In the figure: 1. a PLC controller; 2. a network communication module; 3. optical cable transmission; 4. and (4) an upper computer.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
example 1
As shown in fig. 1-2, the submersible pump remote control system comprises a PLC controller 1, a network communication module 2, an optical cable transmission 3 and an upper computer 4, wherein the network communication module 2 is communicated with the upper computer 4 through the optical cable transmission 3, the network communication module 2 is connected with a digital quantity input end of the PLC controller 1, the PLC controller 1 controls the submersible pump to work through an electric control module, the electric control module is connected with a voltage and current acquisition module, and an output end of the voltage and current acquisition module is connected with an analog quantity input end of the PLC controller 1; the system also comprises a network camera arranged on the working site of the submersible pump, and the network camera is communicated with the upper computer 4 through an optical cable transmission 3.
The upper computer 4 is communicated with the PLC controller 1 through the optical cable transmission 3 and the network communication module 2, and the PLC controller 1 controls the submersible pump to work through the electric control module. The network cameras can be installed 2 on site, monitoring pictures are transmitted to the upper computer 4 through the optical cable transmission 3, the surrounding states of the submersible pump control cabinet and the well pump are observed in real time, and safe operation is guaranteed.
The PLC controller 1 is isolated from the electric control module, and a passive contact is adopted; the electric control module is installed in the submersible pump control cabinet.
The electric control module comprises a contactor 1KM, a contactor 2KM, a contactor 3KM, an autotransformer QZB and a protector GDH, one end of the protector GDH is connected with a power supply, the other end of the protector is connected with the contactor 1KM and the contactor 2KM, the other end of the contactor 2KM is connected with the autotransformer QZB, the other end of the autotransformer QZB is connected with the contactor 3KM, and the other end of the contactor 1KM and the output end of the autotransformer QZB are connected with the submersible pump.
The PLC controller 1 controls the submersible pump to work through the contactor 1KM, the contactor 2KM and the contactor 3KM, a fault signal of the protector GDH is taken from a comprehensive protector of the submersible pump motor, and when a fault occurs, the motor is stopped.
The electric control module further comprises a start-stop relay KAY, a time relay KT and an instantaneous relay KA, one end of a first auxiliary normally open contact of the start-stop relay KAY is connected with a live wire A, the other end of the first auxiliary normally open contact of the instantaneous relay KA is connected with a first auxiliary normally open contact of a contactor 3KM, the other end of the first normally closed contact of the instantaneous relay KA is connected with a coil of the contactor 3KM, the other end of the first auxiliary normally open contact of the contactor 3KM is connected with coils of a contactor 2KM and the time relay KT, the coils of the contactor 2KM and the time relay KT are connected in parallel, and the other ends of the coils of the contactor 3KM, the contactor 2KM and the time relay KT are connected with a zero line N; one end of a second normally open contact of the start-stop relay KAY is connected with the live wire A, the other end of a second normally open contact of the start-stop relay KAY is connected with a first auxiliary normally closed contact of the contactor 1KM, a second normally open contact of the instant relay KA, a normally open contact of the time relay KT, a third normally open contact of the instant relay KA and a second auxiliary normally open contact of the contactor 1KM, the other end of the first auxiliary normally closed contact of the contactor 1KM is connected with a first auxiliary normally open contact of the contactor 2KM, the other end of the first auxiliary normally open contact of the contactor 2KM is connected with the other end of the first auxiliary normally open contact of the contactor 3KM, the other end of the second normally open contact of the instant relay KA is connected with a coil of the instant relay KA, the other end of the normally open contact of the time relay KT is connected with a second auxiliary normally open contact of the contactor 2KM, the other end of the second auxiliary normally open contact of the contactor 2KM is connected with the coil of the instant relay KA, the third normally open contact of instantaneous relay KA is connected with the supplementary normally closed contact of second of contactor 3KM, and contactor 3 KM's the supplementary normally closed contact other end of second is connected with contactor 1 KM's coil, and contactor 1 KM's the supplementary normally open contact other end of second is connected contactor 3 KM's the supplementary normally closed contact of second, and zero line N is connected to instantaneous relay KA and contactor 1 KM's the coil other end.
The PLC controller 1 controls the contactor 1KM, the contactor 2KM and the contactor 3KM through the start-stop relay KAY, so that the submersible pump is controlled to work. Specifically, the digital output point of the PLC 1 is used for controlling the starting points (51, 10) of the submersible pump to realize the starting and stopping of the submersible pump.
The electric control module further comprises a start indicator HL2, a stop indicator HL1 and an operation indicator HL3, one end of the start indicator HL2 is connected with a zero line N, the other end of the start indicator HL2 is connected with a third auxiliary normally-open contact of the contactor 3KM, the other end of the third auxiliary normally-open contact of the contactor 3KM is connected with a third auxiliary normally-closed contact of the contactor 1KM, and the other end of the third auxiliary normally-closed contact of the contactor 1KM is connected with a live wire A; one end of the stop indication HL1 is connected with the zero line N, the other end of the stop indication HL1 is connected with a third auxiliary normally-closed contact of the contactor 2KM, and the other end of the third auxiliary normally-closed contact of the contactor 2KM is connected with a third auxiliary normally-closed contact of the contactor 1 KM; and one end of the operation instruction HL3 is connected with a zero line N, and the other end of the operation instruction HL3 is connected with a fourth auxiliary normally open contact of the contactor 1 KM.
The starting indication HL2, the stopping indication HL1 and the running indication HL3 are used for indicating the working state of the submersible pump.
Wherein, electrical control module still includes change over switch SA1, relay KA0, stop button 1SB, start button 2SB, and live wire A, the other end is connected to the automatic one end of change over switch SA1 start and stop relay KAY's first supplementary normally open contact one end with start and stop relay KAY's second normally open contact one end, and live wire A, the coil and the normally open contact of relay KA0 are connected to the manual one end of change over switch SA1, the other end, and zero line N is connected to relay KA 0's the coil other end, and stop button 1SB is connected to relay KA 0's the normally open contact other end, and stop button 1SB other end is connected start and stop relay KAY's second normally open contact other end, and start button 2SB is connected contactor 1 KM's first supplementary normally closed contact with instantaneous relay KA's first normally closed contact.
The PLC controller 1 starts the automatic or manual mode by switching the switch SA1, and the manual mode is added for the convenience of the field operation.
When the voltage and current acquisition module acquires that the current is too high or too low and the voltage is too high or too low, the PLC controller 1 sends an alarm signal to the upper computer 4; when the voltage and current acquisition module acquires that the current is continuously too high or too low and the voltage is continuously too high or too low, the PLC controller 1 sends a stop signal to the electrical control module after a set time.
When the voltage and current acquisition module acquires that the current is too high or too low and the voltage is too high or too low, an alarm signal pops up on an operation interface of the upper computer 4 to remind an operator to perform inspection processing; and when the voltage and current acquisition module acquires that the current is continuously too high or too low and the voltage is continuously too high or too low, the PLC 1 controls the submersible pump to automatically stop after a set time.
Here, when the submersible pump is started, the current is high before the autotransformer QZB is cut off, and in order to avoid stopping the submersible pump, the overcurrent at the time of starting is eliminated by using a time relay in a program, and the PLC controller 1 controls the submersible pump to automatically stop after a set time.
The PLC controller 1 adopts Siemens 200 series PLC, and the network communication module 2 adopts an Ethernet communication module CP 243-1.
The voltage and current acquisition module comprises a current transformer 1TA and a voltmeter V.
Optical fiber transceivers are adopted at two ends of the optical cable transmission 3 for carrying out electric signal/optical signal conversion, and a single-mode optical cable is used for carrying out signal transmission.
The submersible pump remote control system has the following working principle:
when the change-over switch SA1 is in an automatic position, the upper computer 4 controls the starting points 51 and 10 of the submersible pump by using the digital output point of the PLC controller 1 to start and stop the submersible pump, the starting points (51 and 10) are connected with Y, the coil of the start-stop relay KAY is electrified, the contact action of the start-stop relay KAY is realized, the coil of the contactor 3KM is electrified, the contact action of the contactor 3KM is electrified, the coil of the contactor 2KM is electrified, the contact action of the contactor 2KM is started, the submersible pump is started, and the start indication HL2 works; the coils of the time relay KT are simultaneously electrified, the contact of the time relay KT acts after the submersible pump is started, the coil of the instant relay KA is electrified, the contact of the instant relay KA acts, the coil of the contactor 1KM is electrified, the contact of the contactor 1KM acts, the submersible pump runs, and the operation instruction HL3 works; the starting points (51 and 10) are connected with the O, the coil of the start-stop relay KAY is powered off, the contact of the start-stop relay KAY is reset, the submersible pump stops, and the instruction HL1 stops working. When the change-over switch SA1 is in a manual position, a coil of the relay KA0 is electrified, a contact of the relay KA0 acts, a start button 2SB is pressed on site, a coil of the contactor 3KM is electrified, a contact of the contactor 3KM acts, a coil of the contactor 2KM is electrified, a contact of the contactor 2KM acts, the submersible pump is started, and a start indication HL2 works; the coils of the time relay KT are simultaneously electrified, the contact of the time relay KT acts after the submersible pump is started, the coil of the instant relay KA is electrified, the contact of the instant relay KA acts, the coil of the contactor 1KM is electrified, the contact of the contactor 1KM acts, the submersible pump runs, and the operation instruction HL3 works; and when the stop button 1SB is pressed on site, the control loop is powered off, the submersible pump stops, and the stop instruction HL1 works.
Claims (9)
1. The remote control system for the submersible pump is characterized by comprising a PLC (programmable logic controller) (1), a network communication module (2), an optical cable transmission (3) and an upper computer (4), wherein the network communication module (2) is communicated with the upper computer (4) through the optical cable transmission (3), the network communication module (2) is connected with a digital quantity input end of the PLC (1), the PLC (1) controls the submersible pump to work through an electric control module, the electric control module is connected with a voltage and current acquisition module, and an output end of the voltage and current acquisition module is connected with an analog quantity input end of the PLC (1); the network camera is arranged on the working site of the submersible pump and is communicated with the upper computer (4) through the optical cable transmission (3).
2. The submersible pump remote control system of claim 1, wherein the electrical control module comprises a contactor 1KM, a contactor 2KM, a contactor 3KM, an autotransformer QZB, and a protector GDH, wherein one end of the protector GDH is connected with a power supply, the other end of the protector GDH is connected with the contactor 1KM and the contactor 2KM, the other end of the contactor 2KM is connected with the autotransformer QZB, the other end of the autotransformer QZB is connected with the contactor 3KM, and the other end of the contactor 1KM and the output end of the autotransformer QZB are connected with the submersible pump.
3. The submersible pump remote control system according to claim 2, wherein the electrical control module further comprises a start-stop relay KAY, a time relay KT, and an instantaneous relay KA, wherein one end of a first auxiliary normally open contact of the start-stop relay KAY is connected with the live wire a, the other end of the first auxiliary normally open contact of the instantaneous relay KA is connected with a first normally closed contact of the contactor 3KM, the other end of the first normally closed contact of the instantaneous relay KA is connected with a coil of the contactor 3KM, the other end of the first auxiliary normally open contact of the contactor 3KM is connected with coils of the contactor 2KM and the time relay KT, the coils of the contactor 2KM and the time relay KT are connected in parallel, and the other ends of the coils of the contactor 3KM, the contactor 2KM and the time relay KT are connected with a neutral wire N; one end of a second normally open contact of the start-stop relay KAY is connected with the live wire A, the other end of a second normally open contact of the start-stop relay KAY is connected with a first auxiliary normally closed contact of the contactor 1KM, a second normally open contact of the instant relay KA, a normally open contact of the time relay KT, a third normally open contact of the instant relay KA and a second auxiliary normally open contact of the contactor 1KM, the other end of the first auxiliary normally closed contact of the contactor 1KM is connected with a first auxiliary normally open contact of the contactor 2KM, the other end of the first auxiliary normally open contact of the contactor 2KM is connected with the other end of the first auxiliary normally open contact of the contactor 3KM, the other end of the second normally open contact of the instant relay KA is connected with a coil of the instant relay KA, the other end of the normally open contact of the time relay KT is connected with a second auxiliary normally open contact of the contactor 2KM, the other end of the second auxiliary normally open contact of the contactor 2KM is connected with the coil of the instant relay KA, the third normally open contact of instantaneous relay KA is connected with the supplementary normally closed contact of second of contactor 3KM, and contactor 3 KM's the supplementary normally closed contact other end of second is connected with contactor 1 KM's coil, and contactor 1 KM's the supplementary normally open contact other end of second is connected contactor 3 KM's the supplementary normally closed contact of second, and zero line N is connected to instantaneous relay KA and contactor 1 KM's the coil other end.
4. The submersible pump remote control system of claim 3, wherein the electrical control module further comprises a start indicator HL2, a stop indicator HL1 and an operation indicator HL3, wherein one end of the start indicator HL2 is connected with a neutral line N, the other end of the start indicator HL 3526 is connected with a third auxiliary normally open contact of the contactor 3KM, the other end of the third auxiliary normally open contact of the contactor 3KM is connected with a third auxiliary normally closed contact of the contactor 1KM, and the other end of the third auxiliary normally closed contact of the contactor 1KM is connected with a live line A; one end of the stop indication HL1 is connected with the zero line N, the other end of the stop indication HL1 is connected with a third auxiliary normally-closed contact of the contactor 2KM, and the other end of the third auxiliary normally-closed contact of the contactor 2KM is connected with a third auxiliary normally-closed contact of the contactor 1 KM; and one end of the operation instruction HL3 is connected with a zero line N, and the other end of the operation instruction HL3 is connected with a fourth auxiliary normally open contact of the contactor 1 KM.
5. Submersible pump remote control system according to claim 3 or 4, characterized in that the electrical control module further comprises a changeover switch SA1, a relay KA0, a stop button 1SB, start button 2SB, change over switch SA1 is automatic one end connection live wire A, the other end is connected open relay KAY's first supplementary normally open contact one end with open relay KAY's second normally open contact one end, change over switch SA1 manual one end connection live wire A, the coil and the normally open contact of other end connection relay KA0, zero line N is connected to relay KA 0's the coil other end, stop button 1SB is connected to relay KA 0's the normally open contact other end, the stop button 1SB other end is connected open relay KAY's the second normally open contact other end of opening, start button 2SB is connected contactor 1 KM's first supplementary normally closed contact with instantaneous relay KA's first normally closed contact.
6. The submersible pump remote control system according to claim 1, wherein the voltage and current acquisition module acquires that the current is too high or too low, and the voltage is too high or too low, the PLC controller (1) sends an alarm signal to the upper computer (4); when the voltage and current acquisition module acquires that the current is continuously too high or too low and the voltage is continuously too high or too low, the PLC (1) sends a stop signal to the electrical control module after a set time.
7. The submersible pump remote control system according to claim 1, wherein the PLC controller (1) employs a siemens 200 series PLC, and the network communication module (2) employs an ethernet communication module CP 243-1.
8. A submersible pump remote control system according to claim 1, wherein the voltage and current acquisition module comprises a current transformer 1TA and a voltmeter V.
9. A submersible pump remote control system according to claim 1, characterized in that the optical fiber transceivers are used at both ends of the optical cable transmission (3) for signal transmission by means of single mode optical fiber cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022672047.6U CN213843861U (en) | 2020-11-18 | 2020-11-18 | Immersible pump remote control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022672047.6U CN213843861U (en) | 2020-11-18 | 2020-11-18 | Immersible pump remote control system |
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| Publication Number | Publication Date |
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| CN213843861U true CN213843861U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022672047.6U Active CN213843861U (en) | 2020-11-18 | 2020-11-18 | Immersible pump remote control system |
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| CN (1) | CN213843861U (en) |
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