CN215816989U - Dual-power distribution device for automatic switching system of water supply plant station - Google Patents
Dual-power distribution device for automatic switching system of water supply plant station Download PDFInfo
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- CN215816989U CN215816989U CN202122252806.8U CN202122252806U CN215816989U CN 215816989 U CN215816989 U CN 215816989U CN 202122252806 U CN202122252806 U CN 202122252806U CN 215816989 U CN215816989 U CN 215816989U
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Abstract
The utility model provides a dual supply distribution device for automatic switching system of water supply plant, includes high voltage distribution cabinet, and a side-mounting cabinet door of high voltage distribution cabinet, the cabinet door can seal high voltage distribution cabinet's opening, and the baffle is connected at high voltage distribution cabinet's middle part, and the baffle is two independent spaces of horizontal arrangement with high voltage distribution cabinet's internal partitioning, and two independent spaces are inside to set up first high voltage power supply, second high voltage power supply respectively, first fan of upper portion installation and second fan of high voltage distribution cabinet. According to the utility model, the combination of the first fan and the second fan, the partition plate, the high-voltage power distribution cabinet and the like is utilized, when the first high-voltage power supply and the second high-voltage power supply operate together, the first fan and the second fan synchronously discharge airflow outwards, at the moment, the internal air pressure of the high-voltage power distribution cabinet is smaller than the external air pressure, so that the one-way shutter is opened, air enters the high-voltage power distribution cabinet, and the airflow is cooled through the first high-voltage power supply and the second high-voltage power supply.
Description
Technical Field
The utility model relates to a power distribution device, in particular to a dual-power distribution device for an automatic switching system of a water supply plant station.
Background
Once a power supply power failure occurs in a power supply system of the existing water supply plant station, corresponding water supply equipment is shut down along with the power supply power failure, and the water supply system can only maintain a short period of time even if an ups uninterrupted power supply is arranged, so that the continuity of water supply is guaranteed. Therefore, two sets of power supplies are arranged in some water supply stations, when one power supply loses power, the other power supply can ensure the continuity of water supply, and under the condition, the power supply load for maintaining operation is large, and the heating is serious.
Disclosure of Invention
The utility model aims to provide a dual-power distribution device for an automatic switching system of a water supply plant station, which can utilize the combination of a first fan, a second fan, a partition plate, a high-voltage power distribution cabinet and the like, when the first high-voltage power supply and the second high-voltage power supply operate together, the first fan and the second fan synchronously discharge airflow outwards, at the moment, the internal air pressure of the high-voltage power distribution cabinet is smaller than the external air pressure, so that a one-way shutter is opened, air enters the high-voltage power distribution cabinet, and the airflow is cooled by the first high-voltage power supply and the second high-voltage power supply.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a dual-power distribution device for an automatic switching system of a water supply plant station comprises a high-voltage power distribution cabinet, wherein a cabinet door is arranged on one side of the high-voltage power distribution cabinet, the cabinet door can seal an opening of the high-voltage power distribution cabinet, the high-voltage power distribution cabinet is of a cuboid shell structure with an opening on one side, a partition plate is connected in the middle of the high-voltage power distribution cabinet and divides the interior of the high-voltage power distribution cabinet into two independent spaces which are horizontally arranged, an opening is arranged between the lower edge of the partition plate and the bottom of the inner side of the high-voltage power distribution cabinet and communicates the two independent spaces, a first high-voltage power supply and a second high-voltage power supply are respectively arranged in the two independent spaces, a first fan and a second fan are arranged on the upper portion of the high-voltage power distribution cabinet, an opening on one side of the first fan is communicated with one of the independent spaces, an opening on one side of the second fan is communicated with the other independent space, and a one-way shutter is arranged on both sides of the lower portion of the high-voltage power distribution cabinet, the unidirectional shutter can ventilate to the inside one-way of high voltage distribution cabinet.
In order to further realize the aim of the utility model, the one-way shutter comprises a shutter pipe, one end of the shutter pipe is communicated with the outside of the high-voltage power distribution cabinet, the other end of the shutter pipe is connected with a fixed plate, a plurality of through holes are formed in the fixed plate, a plurality of wind pressure plates are hinged to one side of the fixed plate, one wind pressure plate is matched with one through hole, and the upper side of the wind pressure plate is matched with the fixed plate.
Protection device is maintained to high voltage distribution cabinet's upper portion simple to operate, conveniently maintain protection device and include the peg graft pole, the lower extreme and the high voltage distribution cabinet of peg graft pole are connected, peg graft the pipe on the peg graft pole, and the guard plate is connected to the grafting union coupling, and the guard plate can keep off in the top of first fan and second fan.
The utility model has the advantages that: according to the utility model, the combination of the first fan and the second fan, the partition plate, the high-voltage power distribution cabinet and the like is utilized, when the first high-voltage power supply and the second high-voltage power supply operate together, the first fan and the second fan synchronously discharge airflow outwards, at the moment, the internal air pressure of the high-voltage power distribution cabinet is smaller than the external air pressure, so that the one-way shutter is opened, air enters the high-voltage power distribution cabinet, and the airflow is cooled through the first high-voltage power supply and the second high-voltage power supply. When one of them group power of first high voltage power supply and second high voltage power supply damages, the inside air inlet to high voltage power distribution cabinet is changed into by outside airing exhaust to first fan or the second fan that the power that damages corresponds, the air current enters into the independent space that damages the power place by first fan or the second fan that is in the air inlet state, then enters into the power place space that is moving through the opening, thereby let first fan and second fan carry out the forced air cooling heat dissipation for the power that maintains the operation jointly, thereby when avoiding power of one way to lose the electricity, another way power overheat damages.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of section I of FIG. 1;
fig. 3 is an enlarged view of the structure in the direction a of fig. 1.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
a dual-power distribution device for an automatic switching system of a water supply plant station is disclosed, as shown in figures 1-3, and comprises a high-voltage power distribution cabinet 7, a cabinet door 10 is installed on one side of the high-voltage power distribution cabinet 7, the cabinet door 10 can seal an opening of the high-voltage power distribution cabinet 7, the high-voltage power distribution cabinet 7 is of a cuboid shell structure with an opening on one side, a partition plate 6 is connected with the middle part of the high-voltage power distribution cabinet 7, the partition plate 6 divides the interior of the high-voltage power distribution cabinet 7 into two independent spaces which are horizontally arranged, an opening 15 is arranged between the lower edge of the partition plate 6 and the bottom of the inner side of the high-voltage power distribution cabinet 7, the two independent spaces are communicated through the opening 15, a first high-voltage power supply 8 and a second high-voltage power supply 9 are respectively arranged in the two independent spaces, a first fan 4 and a second fan 5 are installed on the upper part of the high-voltage power distribution cabinet 7, the opening on one side of the first fan 4 is communicated with one of the independent space, and the opening of the second fan 5 is communicated with the other independent space, one-way shutter is all installed to the lower part both sides of high voltage distribution cabinet 7, and one-way shutter can be to the inside one-way ventilation of high voltage distribution cabinet 7.
According to the utility model, the first fan 4 is combined with the second fan 5, the partition plate 6, the high-voltage power distribution cabinet 7 and the like, when the first high-voltage power supply 8 and the second high-voltage power supply 9 run together, the first fan 4 and the second fan 5 synchronously discharge airflow outwards, at the moment, the internal air pressure of the high-voltage power distribution cabinet 7 is smaller than the external air pressure, so that the one-way shutter is opened, air enters the high-voltage power distribution cabinet 7, and the airflow is cooled through the first high-voltage power supply 8 and the second high-voltage power supply 9. When one of the first high-voltage power supply 8 and the second high-voltage power supply 9 is damaged, the first fan 4 or the second fan 5 corresponding to the damaged power supply is changed from outward exhaust to inward air inlet of the high-voltage power distribution cabinet 7, air flow enters the independent space where the damaged power supply is located through the first fan 4 or the second fan 5 in an air inlet state, and then enters the space where the running power supply is located through the opening 15, so that the first fan 4 and the second fan 5 jointly perform air cooling heat dissipation for the power supply maintaining operation, and the other power supply is prevented from being damaged due to overheating when one power supply is lost.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. A cabinet door 10 is all installed to high voltage distribution cabinet 7's opening both sides, and one side and the 7 fixed slot 35 of high voltage distribution cabinet 10 of cabinet door, two cabinet doors 10 can be through the tool to lock locking. During practical use, a controller can be added, the detection end of the controller is connected with the first high-voltage power supply 8 and the second high-voltage power supply 9, and when the first high-voltage power supply 8 or the second high-voltage power supply 9 is damaged, the controller controls the fan corresponding to the damaged power supply to change direction. Or, the first fan 4 and the second fan 5 both adopt bidirectional fans, and when the first high-voltage power supply 8 or the second high-voltage power supply 9 is damaged, a worker manually controls the fan corresponding to the damaged power supply to change direction.
Example 2:
a dual-power distribution device for an automatic switching system of a water supply plant station is disclosed, as shown in figures 1-3, and comprises a high-voltage power distribution cabinet 7, a cabinet door 10 is installed on one side of the high-voltage power distribution cabinet 7, the cabinet door 10 can seal an opening of the high-voltage power distribution cabinet 7, the high-voltage power distribution cabinet 7 is of a cuboid shell structure with an opening on one side, a partition plate 6 is connected with the middle part of the high-voltage power distribution cabinet 7, the partition plate 6 divides the interior of the high-voltage power distribution cabinet 7 into two independent spaces which are horizontally arranged, an opening 15 is arranged between the lower edge of the partition plate 6 and the bottom of the inner side of the high-voltage power distribution cabinet 7, the two independent spaces are communicated through the opening 15, a first high-voltage power supply 8 and a second high-voltage power supply 9 are respectively arranged in the two independent spaces, a first fan 4 and a second fan 5 are installed on the upper part of the high-voltage power distribution cabinet 7, the opening on one side of the first fan 4 is communicated with one of the independent space, and the opening of the second fan 5 is communicated with the other independent space, one-way shutter is all installed to the lower part both sides of high voltage distribution cabinet 7, and one-way shutter can be to the inside one-way ventilation of high voltage distribution cabinet 7. The unidirectional louver comprises a louver pipe 11, one end of the louver pipe 11 is communicated with the outside of the high-voltage power distribution cabinet 7, the other end of the louver pipe 11 is connected with a fixing plate 14, a plurality of through holes 13 are formed in the fixing plate 14, one side of the fixing plate 14 is hinged with a plurality of air pressing plates 12, one air pressing plate 12 is matched with one through hole 13, and the upper side of the air pressing plate 12 is matched with the fixing plate 14.
The unidirectional shutter can automatically push the air pressure plate 12 to open by utilizing airflow when negative pressure is generated inside the high-voltage power distribution cabinet 7 relative to the outside, so that external airflow can be conveniently led into the high-voltage power distribution cabinet 7, and when the internal air pressure of the high-voltage power distribution cabinet 7 is larger than the outside, the air pressure plate 12 can be automatically closed by utilizing gravity and the airflow thrust.
Example 3:
a dual-power distribution device for an automatic switching system of a water supply plant station is disclosed, as shown in figures 1-3, and comprises a high-voltage power distribution cabinet 7, a cabinet door 10 is installed on one side of the high-voltage power distribution cabinet 7, the cabinet door 10 can seal an opening of the high-voltage power distribution cabinet 7, the high-voltage power distribution cabinet 7 is of a cuboid shell structure with an opening on one side, a partition plate 6 is connected with the middle part of the high-voltage power distribution cabinet 7, the partition plate 6 divides the interior of the high-voltage power distribution cabinet 7 into two independent spaces which are horizontally arranged, an opening 15 is arranged between the lower edge of the partition plate 6 and the bottom of the inner side of the high-voltage power distribution cabinet 7, the two independent spaces are communicated through the opening 15, a first high-voltage power supply 8 and a second high-voltage power supply 9 are respectively arranged in the two independent spaces, a first fan 4 and a second fan 5 are installed on the upper part of the high-voltage power distribution cabinet 7, the opening on one side of the first fan 4 is communicated with one of the independent space, and the opening of the second fan 5 is communicated with the other independent space, one-way shutter is all installed to the lower part both sides of high voltage distribution cabinet 7, and one-way shutter can be to the inside one-way ventilation of high voltage distribution cabinet 7. Protection device is maintained to high voltage distribution cabinet 7's upper portion simple to operate, conveniently maintain protection device and include peg graft pole 3, the lower extreme and the high voltage distribution cabinet 7 of peg graft pole 3 are connected, peg graft pipe 2 on the peg graft pole 3, and peg graft pipe 2 connects guard plate 1, and guard plate 1 can keep off in the top of first fan 4 and second fan 5.
The convenient maintenance protection device can be stopped above the first fan 4 and the second fan 5 in the operation process of the first fan 4 and the second fan 5, so that excessive falling sundries or dust can be prevented from entering the interior of the high-voltage power distribution cabinet 7 through the first fan 4 and the second fan 5, when the first fan 4 and the second fan 5 need to be maintained, the plug-in pipe 2 and the plug-in rod 3 can be manually separated from being in plug-in fit, and the first fan 4 and the second fan 5 can be prevented from being shielded by the protection plate 1.
The power supply automatic switching detailed description of the utility model is as follows:
compare the equipment that increases with current water supply plant station spare power automatic switching equipment:
station high voltage power distribution cabinet has: the transformer comprises an incoming line cabinet, an outgoing line cabinet, a metering cabinet, a segmentation cabinet, an interconnection cabinet, a voltage transformer and a lightning arrester cabinet. A group of spare power automatic switching devices and two groups of buses PT need to be additionally arranged on a high-voltage side, and because the spare power automatic switching devices need to collect voltages on the two buses PT, the two groups of buses PT are additionally arranged; the non-segment protection adds a segment protection device, increases the backup power switching reliability: and one spare power automatic switching device is arranged on the high-voltage isolation cabinet. The existing voltage transformer cabinet of the field high-voltage cabinet can provide line voltage, but does not have bus voltage, and a group of voltage transformers are required to be additionally arranged at the cable positions of the two high-voltage line inlet cabinets respectively to provide the bus voltage. The field incoming cabinet is provided with a high-voltage current transformer which can provide a current signal. On-site no-segment protection needs to be added with a segment line protection measurement and control device, and the segment line protection measurement and control device is actually replaced with a microcomputer protection device which is of the same brand with the spare power automatic switching device, so that the automatic switching reliability is increased. Similarly, a line protection measurement and control device is respectively added to the two incoming line cabinets, and a transformer protection measurement and control device is respectively added to the two outgoing line cabinets. And a protocol converter is added to carry out reduction on the centralized acquisition of the spare power automatic switching signals, and the signals are uploaded to a control system through 485 communication.
Upgrading and reconstruction of PLC automatic control system
The realized functions are as follows:
the spare power automatic switching transformation of the high-voltage distribution system can only realize that the spare power automatic switching action breaks the power loss detection incoming line breaker and closes the other incoming line breaker when the high-voltage bus is non-voltage and non-current after the incoming line at one side of the high voltage is lost, and the system automatically feeds a standby circuit. Or the on-site is in a two-way power supply sectional operation mode, the incoming line breaker is automatically disconnected after one high-voltage circuit loses power, the bus-tie breaker is closed, and the other incoming line carries all loads, so that normal water supply of at least half of the units is ensured, and sudden pressure drop of an outer pipe network is avoided. However, the automatic backup power switching only realizes the automatic switching of the power supply line at the moment, and the final function of realizing uninterrupted water supply by automatically starting the unit still cannot be finished. And the remote dispatcher can not accurately master the power supply conditions of high voltage and low voltage on site in time. Therefore, the relevant parameters of the automatic standby switching equipment and the high-voltage and low-voltage relay protection equipment are required to be connected into the automatic control system and used as the important parameters of the linkage control unit. The working operation condition of the high-voltage backup automatic switching equipment can be monitored in the upper picture; various alarms in the aspect of relevant high voltage can be prompted in an acousto-optic mode; various parameters, data records and operation curves of the power distribution operation of each unit can be monitored and stored; various alarms in the aspect of low voltage can be prompted in an acousto-optic mode. And after the high-voltage single-side normal power failure backup power automatic switching is added in the lower control system, whether the low-voltage power distribution system is recovered to be normal or not is judged, and after the normal power supply is delayed, the water pump is automatically started to recover the water supply. When the power failure or the unit failure causes the shutdown, the system automatically closes the corresponding unit water outlet valve through the UPS. And simulating various fault power failure conditions on site, performing joint debugging tests of the backup power automatic switching device and the automatic control system, and synchronously adjusting the backup power automatic switching time according to the start-stop time of the automatic control system control valve and the pump unit.
By monitoring various states of the power supply system, the power supply monitoring and the existing automatic control monitoring system are integrated into a platform, so that the investment is saved, and the water supply safety and service level are improved. And collecting and automatically analyzing data such as production energy consumption and the like for power consumption measurement and the like. Meanwhile, the factory station dispatching system and the secondary monitoring platform of the company are synchronously updated, the remote monitoring function is realized, and the field power supply condition is timely and accurately mastered. The automatic switch-on of the spare power is applied to the water supply plant station and is combined with the upgrading of the PLC system, the automatic switch-on can quickly recover water supply, the water supply safety is guaranteed, and the unattended operation is really realized. Increase measurement communication module in former PLC switch board, insert 1 way, 2 way high pressure inlet wire electric quantities. Increase high-pressure communication module, the high-pressure signal of access has: and the number 1 incoming line cabinet relay protector related signals such as an operating state, an overcurrent alarm, a low voltage alarm, a short circuit alarm, a comprehensive fault alarm and the like. And 2, relevant signals of the relay protector of the incoming line cabinet, such as an operating state, an overcurrent alarm, a low voltage alarm, a short circuit alarm, a comprehensive fault alarm and the like. And the No. 1 transformer outgoing line cabinet relay protector related signals such as an operating state, an overcurrent alarm, a low voltage alarm, a short circuit alarm, a comprehensive fault alarm and the like. And the No. 2 transformer outlet cabinet relay protector related signals such as an operating state, an overcurrent alarm, a low voltage alarm, a short circuit alarm, a comprehensive fault alarm and the like. And relevant signals of the relay protector of the sectional cabinet, such as an operating state, an overcurrent alarm, a low-voltage alarm, a short-circuit alarm, a comprehensive fault alarm and the like. And the related signals of the automatic spare power switching device of the isolation cabinet, such as the running state, the comprehensive fault alarm and the like. And adding a low-voltage communication module to access signals of a low-voltage part. And related signals of the low-voltage power distribution cabinet of each unit, such as voltage, current, overcurrent alarm, low-voltage alarm, short-circuit alarm, various fault alarms and the like.
And installing and debugging the UPS power supply system.
The 380V UPS is installed for not less than 20KVA/45 min.
And a power supply switching cabinet is installed to switch the UPS power supply and the commercial power supply.
The electric valve of each pump set pump opening and the main inlet line of the main water outlet valve are changed. The valves can be operated by UPS power supply under the power failure state.
The UPS of the existing PLC equipment, the monitoring computer and the network related equipment is powered.
An industrial personal computer is newly added to be used as a backup of the existing automatic control upper computer.
One of the communication modes of the PLC automatic control system and the spare power automatic switching is to adopt a bus MODBUS protocol, and the bus is laid to the PLC control cabinet by each instrument of the spare power automatic switching; the other is communication through network ports, and the network cable is connected to the switchboard by each device of the spare power automatic switching device and then is accessed into the control system.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (3)
1. The utility model provides a dual supply distribution device for automatic switching system of water supply station which characterized in that: the high-voltage distribution cabinet comprises a high-voltage distribution cabinet (7), a cabinet door (10) is installed on one side of the high-voltage distribution cabinet (7), the cabinet door (10) can seal an opening of the high-voltage distribution cabinet (7), the high-voltage distribution cabinet (7) is of a rectangular shell structure with an opening on one side, a partition plate (6) is connected to the middle of the high-voltage distribution cabinet (7), the partition plate (6) partitions the interior of the high-voltage distribution cabinet (7) into two independent spaces which are horizontally arranged, an opening (15) is formed between the lower edge of the partition plate (6) and the bottom of the inner side of the high-voltage distribution cabinet (7), the two independent spaces are communicated through the opening (15), a first high-voltage power supply (8) and a second high-voltage power supply (9) are respectively arranged in the two independent spaces, a first fan (4) and a second fan (5) are installed on the upper portion of the high-voltage distribution cabinet (7), and the opening on one side of the first fan (4) is communicated with one of the independent space, one side opening and another independent space intercommunication of second fan (5), one-way shutter is all installed to the lower part both sides of high voltage distribution cabinet (7), and one-way shutter can be to the inside one-way ventilation of high voltage distribution cabinet (7).
2. The dual-power distribution device for the automatic switching system of the water supply plant station according to claim 1, characterized in that: the unidirectional louver comprises a louver pipe (11), one end of the louver pipe (11) is communicated with the outside of the high-voltage power distribution cabinet (7), the other end of the louver pipe (11) is connected with a fixing plate (14), a plurality of through holes (13) are formed in the fixing plate (14), one side of the fixing plate (14) is hinged with a plurality of air pressing plates (12), one air pressing plate (12) is matched with one through hole (13), and the upper side of the air pressing plate (12) is matched with the fixing plate (14).
3. The dual-power distribution device for the automatic switching system of the water supply plant station according to claim 1, characterized in that: the upper portion simple to operate of high voltage distribution cabinet (7) maintains protector, conveniently maintain protector and include peg graft pole (3), the lower extreme and the high voltage distribution cabinet (7) of peg graft pole (3) are connected, peg graft on peg graft pole (3) and peg graft pipe (2), and guard plate (1) is connected in peg graft pipe (2), and guard plate (1) can keep off in the top of first fan (4) and second fan (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252806.8U CN215816989U (en) | 2021-09-16 | 2021-09-16 | Dual-power distribution device for automatic switching system of water supply plant station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252806.8U CN215816989U (en) | 2021-09-16 | 2021-09-16 | Dual-power distribution device for automatic switching system of water supply plant station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816989U true CN215816989U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252806.8U Active CN215816989U (en) | 2021-09-16 | 2021-09-16 | Dual-power distribution device for automatic switching system of water supply plant station |
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| CN (1) | CN215816989U (en) |
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2021
- 2021-09-16 CN CN202122252806.8U patent/CN215816989U/en active Active
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