CN219175373U - Automatic switching water supply system for controlling power failure - Google Patents
Automatic switching water supply system for controlling power failure Download PDFInfo
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- CN219175373U CN219175373U CN202320101811.5U CN202320101811U CN219175373U CN 219175373 U CN219175373 U CN 219175373U CN 202320101811 U CN202320101811 U CN 202320101811U CN 219175373 U CN219175373 U CN 219175373U
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Abstract
The utility model relates to an automatic switching water supply system for controlling power supply faults, which comprises a power supply system, an uninterruptible power supply system and a variable-frequency constant-voltage water supply system, wherein the power supply system comprises mains supply, a power supply system and a lightning protection system; the utility model solves the technical problems of system initialization, data loss and the like caused by the condition that the uninterruptible power supply is recovered to normal and the uninterruptible power supply cannot be started when the uninterruptible power supply is in power shortage and failure.
Description
[ technical field ]
The utility model relates to a water supply and drainage system with variable frequency and constant pressure, pipe network pressure superposition (no negative pressure), a prefabricated pump station, sewage lifting and the like, in particular to a water supply system with automatic switching of control power supply faults, belonging to the field of secondary water supply.
[ background Art ]
With the appearance of the Internet of things and an edge algorithm, the variable-frequency constant-pressure water supply system is changed from automatic control and unattended operation into data remote acquisition, and the system is remotely monitored and the like to be a visualized and platform-based front edge technology; in the past, the constant-pressure water supply system only has the capability of supplying power to the mains supply, when the mains supply loses power, the state can not be acquired and fed back, especially, the condition that the system data is initialized and the like is caused by the loss of the acquired data of the integrated control system, and the uninterrupted power supply is configured to solve the problem that the power can be continuously supplied to the integrated control system in the power failure state of the mains supply, but the constant-pressure water supply system has the defects of power deficiency and faults and has irresistible factors.
[ summary of the utility model ]
The utility model aims to solve the problems that the system is initialized and data are lost due to the fact that the mains supply is recovered to be normal and the uninterruptible power supply cannot be started when the uninterruptible power supply is in power shortage and fails.
In order to achieve the above purpose, an automatic switching water supply system for controlling power failure is designed, which comprises a power supply system, an uninterruptible power supply system and a variable frequency constant voltage water supply system, wherein the power supply system comprises a mains supply 100, a power supply system 180 and a lightning protection system 110, the uninterruptible power supply system comprises an uninterruptible power supply 120, an uninterruptible power supply failure switching mains supply device 160 and a failure switching point trigger 130, the variable frequency constant voltage water supply system comprises a power supply 170, an integrated control system 140 and a control output 150, the output end of the mains supply 100 is connected with the input end of the power supply system 180, the mains supply 100 inputs power to the power supply system 180 to supply power to the whole system, the output ends of the power supply system 180 are respectively connected with the input ends of the lightning protection system 110, the uninterruptible power supply 120, the uninterruptible power supply failure switching mains supply device 160 and the power supply 170, the output ends of the uninterruptible power supply 120 and the uninterruptible power supply failure switching mains supply failure switching point trigger 160 are all connected to the input end of the failure switching point trigger 130, the output end of the failure switching point trigger 130 is connected with the input end of the integrated control system 140, and the output end of the integrated control system 140 is connected with the control output end 150.
Further, the ups 120 supplies power to the control loop of the variable frequency and constant voltage water supply system, the ups 120 and the ups failover commercial power device 160 are connected in parallel and then connected to the failover point trigger 130, the ups 120 and the ups failover commercial power device 160 determine through the failover point trigger 130, and when the ups 120 is abnormal, the ups 160 automatically switches the commercial power into the control loop of the variable frequency and constant voltage water supply system through the ups failover commercial power device 160.
Further, the power supply 170 outputs to the control cabinet, and supplies power to the input power 200, the input power 200 is connected to the first converter VDF 210, the second converter VDF 230, and the third converter VDF 250 through lines, the first converter VDF 210, the second converter VDF 230, and the third converter VDF 250 are sequentially connected in communication, the first converter VDF 210, the second converter VDF 230, and the third converter VDF 250 are respectively connected to the first PUMP 220, the second PUMP 240, and the third PUMP 260, and the first PUMP 220, the second PUMP 240, and the third PUMP 260 are all connected to the main water inlet pipe through pipes.
Further, water inlet pressure sensors are installed on water inlet pipelines of the first PUMP 220, the second PUMP 240 and the third PUMP 260, water outlet pressure sensors PTI102 are installed on water outlet pipelines of the first PUMP 220, the second PUMP 240 and the third PUMP 260, the water inlet pressure sensors PTI101 and the water outlet pressure sensors PTI102 are respectively connected with the integrated control system 140 through lines, the water inlet pressure sensors PTI101 and the water outlet pressure sensors PTI102 are used for detecting pressure in real time and feeding back the pressure to the integrated control system 140, and the integrated control system 140 drives the first PUMP 220, the second PUMP 240 and the third PUMP 260 through control outputs 150.
Compared with the prior art, the utility model has the following advantages:
(1) The utility model adopts a power supply mode of mains supply and uninterrupted power supply, the uninterrupted power supply can ensure the normal control loop power supply under the power failure state of the mains supply, and meanwhile, when the system is directly and indirectly influenced by lightning or is in special instantaneous overvoltage, the lightning protection system conducts and shunts in extremely short time, thereby avoiding the damage of equipment;
(2) The utility model adopts the uninterruptible power supply to supply power to the control loop, is favorable for ensuring the normal operation of an integrated control system under the power failure state of the mains supply, and is favorable for dispatching operation and maintenance work orders and timely maintenance of operation and maintenance staff by triggering the uninterruptible power supply device through a fault switching point position and switching the uninterruptible power supply device through the fault when the uninterruptible power supply is in the power failure state or the fault state, thereby ensuring the normal operation of the control loop and the data of the integrated control system not to be lost, and simultaneously feeding the fault point and the fault information back to the central control platform;
(3) The utility model changes the power supply mode of the traditional main loop and control loop, simultaneously supplies power to the integrated control system through the uninterrupted power supply, ensures that data is transmitted to the central control platform in real time to carry out data acquisition, remote monitoring and other visual technical problems, is beneficial to solving the technologies of power failure restarting data recovery initialization, data loss and the like, and effectively processes maintenance tasks such as dispatching operation and maintenance work orders by the central control platform so as to ensure the operation safety of the system;
in conclusion, the utility model solves the problems that when the uninterruptible power supply is deficient in power and fails, the commercial power is recovered to be normal and the uninterruptible power supply cannot be started, thereby leading to working conditions such as system initialization, data loss and the like; when the uninterruptible power supply is monitored to be unable to work normally, the uninterruptible power supply is automatically used for controlling the power supply switching through the uninterruptible power supply fault switching mains supply device, namely, the uninterruptible power supply fault switching mains supply device is used for guaranteeing that the uninterruptible power supply device can monitor defects of the uninterruptible power supply device, and the normal power supply capability of the uninterruptible power supply device is guaranteed through switching to the mains supply, so that the uninterruptible power supply device is worthy of popularization and application.
[ description of the drawings ]
FIG. 1 is a schematic flow chart of the present utility model;
FIG. 2 is a schematic diagram of an uninterruptible power supply fail-over (UPS) utility device of the present utility model;
FIG. 3 is a schematic view of a constant pressure water supply of the present utility model;
in the figure: 100. mains supply 110, lightning protection system 120, uninterruptible power supply 130, fail-over point trigger 140, integrated control system 150, control output 160, uninterruptible power supply fail-over mains device 170, power supply 180, power supply system 200, input power 210, frequency converter VDF one 220, PUMP one 230, frequency converter VDF two 240, PUMP two 250, frequency converter VDF three 260, PUMP three PTI101, inlet pressure sensor PTI102, outlet pressure sensor.
Detailed description of the preferred embodiments
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to fig. 3, the utility model provides an automatic switching water supply system for controlling power failure, which comprises a power supply system, an uninterruptible power supply system and a variable frequency constant voltage water supply system, wherein the power supply system comprises a mains supply 100, a power supply system 180 and a lightning protection system 110, the uninterruptible power supply system comprises an uninterruptible power supply 120, an uninterruptible power supply failure switching mains supply device 160 and a failure switching point trigger 130, the variable frequency constant voltage water supply system comprises a power supply 170, an integrated control system 140 and a control output 150, the output end of the mains supply 100 is connected with the input end of the power supply system 180, the mains supply 100 inputs power into the power supply system 180 for supplying power to the whole system, the output ends of the power supply system 180 are respectively connected with the input ends of the protection system 110, the uninterruptible power supply 120, the uninterruptible power supply failure switching mains supply 160 and the power supply 170, the output ends of the uninterruptible power supply 120 and the lightning protection switching mains supply failure switching point trigger 130 are all connected with the input end of the integrated control system 140, and the output end of the integrated control system 140 is connected with the control output 150.
The power supply loop is powered by the external commercial power 100 and the power system 180 to supply power to the whole system, and the lightning protection system 110 is configured for external factors such as lightning strike, so as to ensure the electricity safety of the whole system. The uninterruptible power supply 120 supplies power to a control loop of the variable-frequency constant-voltage water supply system so as to ensure the working condition that the total circuit breaker is broken by the built-in exciting coil of the total circuit breaker when the incoming line power supply is powered off or phase-lost, so that the stored data in the integrated control system 140 are not lost, the monitoring platform is facilitated to collect the data and feed back fault information to an operation and maintenance department for timely maintenance; the uninterruptible power supply 120 and the uninterruptible power supply fault switching commercial power device 160 are connected in parallel and then connected to the fault switching point trigger 130, the uninterruptible power supply 120 and the uninterruptible power supply fault switching commercial power device 160 judge through the fault switching point trigger 130, and the uninterruptible power supply 120 automatically switches the commercial power into a control loop of the variable-frequency constant-voltage water supply system through the uninterruptible power supply fault switching commercial power device 160 when the uninterruptible power supply 120 is abnormal; aiming at the condition that the uninterrupted power supply 120 has power shortage and the power output is abnormal due to faults, and the data loss is caused by the system power failure and stop, the situation is judged through the fault switching point trigger 130, and the uninterrupted power supply 120 is automatically switched into a control loop through the uninterrupted power supply fault switching commercial power device 160 when abnormal, so that the operation safety of the system is ensured.
The power supply 170 outputs to the control cabinet and supplies power to the input power 200 in a system, the input power 200 is respectively connected with a frequency converter VDF I210, a frequency converter VDF II 230 and a frequency converter VDF III 250 through lines, the frequency converter VDF I210, the frequency converter VDF II 230 and the frequency converter VDF III 250 are sequentially connected in a communication mode, the frequency converter VDF I210, the frequency converter VDF II 230 and the frequency converter VDF III 250 are respectively connected with a PUMP I220, a PUMP II 240 and a PUMP III 260, and the PUMP I220, the PUMP II 240 and the PUMP III 260 are all connected with a main water inlet pipe through pipelines; the water inlet pressure sensor PTI102 is arranged on the water inlet pipelines of the first PUMP 220, the second PUMP 240 and the third PUMP 260, the water outlet pressure sensor PTI102 is arranged on the water outlet pipelines of the first PUMP 220, the second PUMP 240 and the third PUMP 260, the water inlet pressure sensor PTI101 and the water outlet pressure sensor PTI102 are respectively connected with the integrated control system 140 through circuits, the water inlet pressure sensor PTI101 and the water outlet pressure sensor PTI102 are used for detecting the pressure in real time and feeding back the pressure to the integrated control system 140, and the integrated control system 140 drives the first PUMP 220, the second PUMP 240 and the third PUMP 260 through the control output 150. The power supply 170 outputs to the control cabinet, inputs the main control loop power supply into the constant pressure water supply system, and supplies the input power supply 200 with system power, the frequency converter VDF1210, the frequency converter VDF2230, the frequency converter VDF3250 control signals, the water inlet pressure sensor PTI101 and the water outlet pressure sensor PTI102 detect real-time pressure, and the real-time pressure is fed back to the integrated control system 140 to drive the PUMP1220, the PUMP2240 and the PUMP3260 through the control output 150, so that the system achieves the functions of unattended operation, fault feedback and automatic switching, and normal operation of the constant pressure water supply system is ensured.
The mains supply 100 is used as a main power source to supply power to the power system 180, and when the main loop power source has accidents such as power failure, the uninterruptible power supply 120 continuously supplies power to the control loop, so as to ensure that the data of the integrated control system is not restored to be initialized and is not lost. When the uninterruptible power supply is in a power shortage or fault state, the fault transmits alarm information to the uninterruptible power supply fault switching commercial power device 160 for switching to a commercial power supply loop through the fault switching point trigger 130, and meanwhile, the alarm information is fed back to the integrated control system 140 and transmitted to the central control platform for sending a fault work order, and an operation and maintenance personnel is timely informed of on-site maintenance in a short message mode and the like.
The power supply system 180 operates on the principle that: the main contact is locked at the closing position through the built-in tripping mechanism to conduct on-off of the main loop power supply, meanwhile, the system protection is conducted through the current tripping device coil and the heating element of the thermal tripping device, and when faults such as short circuit, overload and the like occur, the tripping mechanism freely acts, and the main contact breaks the main circuit. The lightning protection system 110 operates on the principle that: when the system encounters a lightning stroke, the voltage rises very fast, the energy is huge, the damage to the system is strong, and the lightning protection system 11 has the function of limiting the transient overvoltage which is connected in series to the voltage range which can be born by the equipment or the system, so that the equipment and the system are protected from being impacted.
The uninterruptible power supply 120 operates on the following principle: the rectifier and the charger for converting the alternating current input by the commercial power into the direct current convert the direct current into the alternating current by the inverter, the internal storage battery stores energy and maintains the energy at a normal charging voltage when the internal storage battery supplies normal power, and the internal storage battery immediately supplies power to the inverter when the incoming power supply is in power failure so as to ensure the alternating current output voltage of the power supply. The principle of operation of uninterruptible power supply failover utility 160 is: an intermediate relay is adopted for automatic switching; when the mains supply is normal, the uninterruptible power supply intervention system supplies power to the integrated control system 140 and the control loop, and the integrated control system 140 drives the signal control output 150 to drive the frequency converter of the integrated control system; the uninterrupted power supply is in a state of power deficiency or failure, the intermediate relay coil is powered off and automatically switched to the mains supply, the uninterrupted power supply is normally charged, and the original state is restored for power supply after the failure is eliminated.
The utility power is used as the main power supply to ensure that the normal operation output of the power supply system is ensured to be carried out to the uninterruptible power supply to supply power to the control loop, and when the power supply of the utility power is stopped, the uninterruptible power supply continuously supplies power to the control loop so as to ensure that the data of the integrated control system is not restored to be initialized and is not lost; when the uninterruptible power supply is in a state of power shortage or faults, the faults trigger through the fault switching point positions to transmit alarm information to the uninterruptible power supply fault switching commercial power device to be switched to a commercial power supply loop, and meanwhile, the alarm information is fed back to the integrated control system to be transmitted to the central control platform for fault work order dispatch, so that operation and maintenance personnel are timely informed of on-site maintenance and overhaul in a short message mode and the like, and the technical problems that the uninterruptible power supply is in power shortage, the fault is in the commercial power supply control loop, fault data are remotely transmitted to the central control platform for operation and maintenance work order dispatch and the like are solved.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, standard parts used in the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The present utility model is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model are intended to be equivalent substitutes and are included in the scope of the utility model.
Claims (4)
1. An automatic switching water supply system for controlling power failure, which is characterized in that: including power supply system, uninterrupted power supply system and frequency conversion constant voltage water supply system, power supply system includes commercial power supply (100), electrical power source (180) and lightning protection system (110), uninterrupted power source (120), uninterrupted power source failover commercial power device (160) and failover point trigger (130), frequency conversion constant voltage water supply system includes power supply (170), integrated control system (140) and control output (150), the input of electrical power source (180) is connected to the output of commercial power supply (100), the electrical power source (100) carries out whole system power supply with power input to electrical power source (180), the input of lightning protection system (110), uninterrupted power source (120), uninterrupted power source failover commercial power device (160), the input of electrical power source (170) are connected respectively to the output of failover point trigger (130), the output of failover point trigger (130) and the input of integrated control system (140), the output of integrated control system (150) is connected to the output of failover point trigger (130).
2. The controlled power fail-over water supply of claim 1, wherein: the utility model discloses a control circuit of frequency conversion constant voltage water supply system, uninterrupted power source (120) is supplied power for the control circuit of frequency conversion constant voltage water supply system, be connected to failover point trigger (130) after uninterrupted power source (120) and uninterrupted power source failover commercial power device (160) are parallelly connected, uninterrupted power source (120), uninterrupted power source failover commercial power device (160) are through failover point trigger (130) discriminating, automatic switching-in commercial power into the control circuit of frequency conversion constant voltage water supply system through uninterrupted power source failover commercial power device (160) when uninterrupted power source (120) are unusual.
3. The controlled power fail-over water supply of claim 1 or 2, wherein: the power supply (170) outputs power to the control cabinet, and supplies power to the input power supply (200) through a system, the input power supply (200) is connected with a frequency converter VDF I (210), a frequency converter VDF II (230) and a frequency converter VDF III (250) through lines respectively, the frequency converter VDF I (210), the frequency converter VDF II (230) and the frequency converter VDF III (250) are sequentially connected in a communication mode, the frequency converter VDF I (210), the frequency converter VDF II (230) and the frequency converter VDF III (250) are connected with a PUMP I (220), a PUMP II (240) and a PUMP III (260) respectively, and the frequency converter VDF I (210), the frequency converter VDF II (230) and the frequency converter VDF III (250) are connected with a total water inlet pipe through pipelines.
4. A control power fail-over water supply as claimed in claim 3 wherein: the water inlet pressure sensor is installed on the water inlet pipeline of the first PUMP (220), the second PUMP (240) and the third PUMP (260), the water outlet pressure sensor (PTI 102) is installed on the water outlet pipeline of the first PUMP (220), the second PUMP (240) and the third PUMP (260), the water inlet pressure sensor (PTI 101) and the water outlet pressure sensor (PTI 102) are connected with the integrated control system (140) through circuits respectively, the water inlet pressure sensor (PTI 101) and the water outlet pressure sensor (PTI 102) are used for detecting pressure in real time and feeding back the pressure to the integrated control system (140), and the integrated control system (140) drives the first PUMP (220), the second PUMP (240) and the third PUMP (260) through control outputs (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101811.5U CN219175373U (en) | 2023-02-02 | 2023-02-02 | Automatic switching water supply system for controlling power failure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101811.5U CN219175373U (en) | 2023-02-02 | 2023-02-02 | Automatic switching water supply system for controlling power failure |
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| Publication Number | Publication Date |
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| CN219175373U true CN219175373U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320101811.5U Active CN219175373U (en) | 2023-02-02 | 2023-02-02 | Automatic switching water supply system for controlling power failure |
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| CN (1) | CN219175373U (en) |
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2023
- 2023-02-02 CN CN202320101811.5U patent/CN219175373U/en active Active
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