CN218622410U - Control cabinet with secondary water supply outlet pipe network full-protection function - Google Patents

Control cabinet with secondary water supply outlet pipe network full-protection function Download PDF

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Publication number
CN218622410U
CN218622410U CN202222714074.4U CN202222714074U CN218622410U CN 218622410 U CN218622410 U CN 218622410U CN 202222714074 U CN202222714074 U CN 202222714074U CN 218622410 U CN218622410 U CN 218622410U
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China
Prior art keywords
outlet pipe
pipe network
control cabinet
water supply
electric contact
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Active
Application number
CN202222714074.4U
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Chinese (zh)
Inventor
叶浩挺
戴康
王玉龙
汪永强
王金玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai People Enterprise Pump Group Co ltd
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Shanghai People Enterprise Pump Group Co ltd
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Priority to CN202222714074.4U priority Critical patent/CN218622410U/en
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

The utility model relates to a switch board of function is protected entirely to secondary water supply outlet pipe network, including variable frequency control cabinet, electric contact pressure gauge, pressure sensor, water pump, its the water pump intercommunication has outlet conduit, variable frequency control cabinet is including the cabinet body, contactor, programmable controller, the internal portion of cabinet is provided with switching power supply, switching power supply's right side is provided with the converter. This switch board outlet pipe network with outlet pipe network fully protects function's pressure can monitor through the electric contact pressure gauge of installation on the outlet pipe way, and when delivery port pressure reached electric contact pressure gauge upper limit, the system can receive mechanical superpressure signal, gets into the shutdown protection state and sends out the police dispatch newspaper, and when delivery port pressure dropped to electric contact pressure gauge lower limit, the system could carry out fault recovery voluntarily, and the operation restarts, surge protector protected indirect thunder and direct thunder influence or other surge of instantaneous excessive pressure.

Description

Control cabinet with secondary water supply outlet pipe network full-protection function
Technical Field
The utility model relates to a switch board technical field specifically is a switch board of secondary water supply play water pipe network full guarantor function.
Background
As an electrical control system of the whole water supply equipment, the control cabinet not only needs to realize the operation control of the water pump, but also needs to meet the functions of monitoring, alarming and protecting aiming at the installation site environment and the internal pipeline of the equipment.
1 the existing control cabinet does not monitor the real-time pressure of the water outlet pipe network in place, when the real-time pressure is higher than the normal operating pressure, the system can not timely perform corresponding frequency reduction or pump reduction actions, so that the water outlet pipe network operates at overpressure, pipe network leakage at different degrees is caused, precious water resources are wasted, and the economic benefit of the water supply industry is influenced
2 the problem of pipe explosion caused by the existing control cabinet is as follows: the pipeline explosion is a great hidden trouble of urban water supply safety, the continuous explosion, especially the super-huge explosion, has great threat to the safe water supply, the economic loss is serious, the social influence is severe, and the casualties are caused in serious cases
3 the existing control cabinet lacks the alarm function, the operation of the water plant and booster pump station with weak scheduling capability at present excessively depends on manpower, even partial water supply still depends on manual operation, and the scheduling and the handling control of the whole network condition are difficult
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a switch board of secondary water supply outlet pipe network full protection function possesses the water economy resource, improves the potential safety hazard, has advantages such as alarm function, has solved extravagant valuable water resource, has also influenced the economic benefits of individual industry of supplying water, and the prevention is blown danger, does not possess alarming function's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a switch board of function is protected entirely to secondary water supply outlet pipe network, includes variable frequency control cabinet, electric contact pressure table, pressure sensor, water pump, its the water pump intercommunication has outlet conduit, variable frequency control cabinet is including the cabinet body, contactor, programmable controller, the internal portion of cabinet is provided with switching power supply, switching power supply's right side is provided with the converter, switching power supply's below is provided with PLC, PLC's below is provided with the circuit breaker, the below of circuit breaker is provided with surge protector, surge protector's right side is provided with auxiliary relay, auxiliary relay's below is provided with liquid level relay, liquid level relay's left is provided with thermal relay, the top fixedly connected with bellows of the cabinet body, the inside fixedly connected with fan of bellows.
Further, the pressure sensor is arranged on a water outlet pipeline connected with the water pump.
Further, the frequency converter, the circuit breaker and the thermal relay are respectively connected through a main circuit wiring terminal.
Furthermore, the top of the cabinet body and the connecting part of the air box are provided with an air blowing control device.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
the control cabinet with the water outlet pipe network full protection function is characterized in that the pressure of the water outlet pipe network can be monitored through an electric contact pressure gauge arranged on an outlet pipe, when the pressure of a water outlet reaches the upper limit of the electric contact pressure gauge, the system can receive a mechanical overpressure signal, enters a shutdown protection state and gives an alarm, the system can automatically recover from faults until the pressure of the water outlet reaches the lower limit of the electric contact pressure gauge, and restarts to operate.
Drawings
FIG. 1 is a schematic view of the water pump and the pressure sensor according to the present invention;
FIG. 2 is a sectional view of the cabinet body of the structure of the present invention;
fig. 3 is a bottom view of the fan with the structure of the utility model.
In the figure: 1 electric contact pressure gauge, 2 pressure sensor, 3 switching power supply, 4 frequency converter, 5PLC, 6 circuit breaker, 7 surge protector, 8 intermediate relay, 9 thermal relay, 10 liquid level relay, 11 water pump, 12 outlet conduit, 13 cabinets, 14 bellows, 15 fans.
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 embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the control cabinet with the function of fully protecting the secondary water supply outlet pipe network in this embodiment includes a frequency conversion control cabinet, an electric contact pressure gauge 1, a pressure sensor 2, a water pump 11, the water pump 11 is communicated with an outlet pipe 12, the pressure sensor 2 is installed on the outlet pipe 12 connected to the water pump 11, the frequency conversion control cabinet includes a cabinet body 13, a contactor, and a programmable controller, a switching power supply 3 is installed inside the cabinet body 13, a frequency converter 4 is installed on the right side of the switching power supply 3, a PLC5 is installed below the switching power supply 3, a circuit breaker 6 is installed below the PLC5, a surge protector 7 is installed below the circuit breaker 6, an intermediate relay 8 is installed on the right side of the surge protector 7, a liquid level relay 10 is installed below the intermediate relay 8, a thermal relay 9 is installed on the left side of the liquid level relay 10, the frequency converter 4, the circuit breaker 6, and the thermal relay 9 are respectively connected through a main circuit terminal, a bellows 14 is fixedly connected to the top of the cabinet body 13, a connection portion between the top of the cabinet body 13 and the bellows 14 is provided with a blowing control unit, and a blower 15 is fixedly connected to the inside of the bellows 14.
The frequency conversion control cabinet, pressure sensor 2 and water pump 11, the frequency conversion control cabinet receives the signal of pressure sensor 2 and adjusts the speed of water pump 11 through PID regulator regulation converter output frequency, the frequency conversion control cabinet includes the cabinet body 13, set up converter 4 in the cabinet body 13, programmable controller, the man-machine interface, circuit breaker 6, contactor, auxiliary relay 8, thermal relay 9 and main circuit binding post, signal binding post, main circuit binding post is connected with converter 4, circuit breaker 6, contactor, thermal relay 9 respectively, draw forth the 220V circuit of the same kind from the main circuit and respectively with converter control terminal, programmable controller, the contactor coil, auxiliary relay 8, switching power supply 3, the man-machine interface, signal binding post is connected.
The working principle of the embodiment is as follows:
the pressure of the water outlet pipe network is monitored through an electric contact pressure gauge 1 arranged on the water outlet pipeline, when the pressure of the water outlet reaches the upper limit of the electric contact pressure gauge 1, the system receives a mechanical overpressure signal, enters a shutdown protection state and gives an alarm, and when the pressure of the water outlet falls to the lower limit of the electric contact pressure gauge 1, the system can automatically perform fault recovery and restart to operate.
When the water outlet feedback pressure is increased at the operating frequency of the water pump 11 or is still lower than the set pipe explosion protection pressure value after the water pump is added, the system can automatically judge that the pipe explosion of the water outlet pipe network is suspected to occur, then the system can enter a shutdown protection state, the buzzer gives an alarm, and the system can not normally operate until a maintenance worker presses a fault reset button on a human-computer interface after field inspection and repair are finished.
The floating ball switch is a liquid level control part which is simple in structure and convenient to use, does not have a complex circuit and cannot be interfered, and when the floating ball switch rises or sinks, the steel ball can fall or rise. Normally open or normally closed is realized by touching the micro switch.
The surge protector 7 protects against indirect lightning and direct lightning effects or other surges of transient overvoltage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a switch board of secondary water supply outlet pipe network fully guarantor's function, includes frequency conversion control cabinet, electric contact manometer (1), pressure sensor (2), water pump (11), its characterized in that: water pump (11) intercommunication has outlet conduit (12), the variable frequency control cabinet is including the cabinet body (13), contactor, programmable controller, the cabinet body (13) is inside to be provided with switching power supply (3), the right side of switching power supply (3) is provided with converter (4), the below of switching power supply (3) is provided with PLC (5), the below of PLC (5) is provided with circuit breaker (6), the below of circuit breaker (6) is provided with surge protector (7), the right side of surge protector (7) is provided with auxiliary relay (8), the below of auxiliary relay (8) is provided with liquid level relay (10), the left of liquid level relay (10) is provided with thermal relay (9), the top fixedly connected with bellows (14) of the cabinet body (13), the inside fixedly connected with fan (15) of bellows (14).
2. The control cabinet with the secondary water supply outlet pipe network full protection function according to claim 1, characterized in that: the pressure sensor (2) is arranged on a water outlet pipeline (12) connected with the water pump (11).
3. The control cabinet with the secondary water supply outlet pipe network full protection function according to claim 1, characterized in that: and the frequency converter (4), the circuit breaker (6) and the thermal relay (9) are respectively connected through a main circuit wiring terminal.
4. The control cabinet with the secondary water supply and outlet pipe network full protection function according to claim 1, characterized in that: the top of the cabinet body (13) is connected with the air box (14) through a connecting part, and air blowing control is arranged.
CN202222714074.4U 2022-10-15 2022-10-15 Control cabinet with secondary water supply outlet pipe network full-protection function Active CN218622410U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222714074.4U CN218622410U (en) 2022-10-15 2022-10-15 Control cabinet with secondary water supply outlet pipe network full-protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222714074.4U CN218622410U (en) 2022-10-15 2022-10-15 Control cabinet with secondary water supply outlet pipe network full-protection function

Publications (1)

Publication Number Publication Date
CN218622410U true CN218622410U (en) 2023-03-14

Family

ID=85470615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222714074.4U Active CN218622410U (en) 2022-10-15 2022-10-15 Control cabinet with secondary water supply outlet pipe network full-protection function

Country Status (1)

Country Link
CN (1) CN218622410U (en)

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