CN201527702U

CN201527702U - Alarm system for pressure safety regulation and control of water supply networks in villages and small towns

Info

Publication number: CN201527702U
Application number: CN 200920269640
Authority: CN
Inventors: 马树升; 刘建强; 马腾远; 金丽; 樊铭京
Original assignee: Shandong Agricultural University; Water Resources Research Institute of Shandong Province
Current assignee: Shandong Agricultural University; Water Resources Research Institute of Shandong Province
Priority date: 2008-10-31
Filing date: 2009-10-14
Publication date: 2010-07-14
Anticipated expiration: 2019-10-14

Abstract

The utility model discloses an alarm system for pressure safety regulation and control of water supply networks in villages and small towns. The alarm system comprises various devices installed on pressured water pump sites, pipeline pressure observation points of water distribution pipe networks, and monitoring centers. All elements adopted in the alarm system are easy to be purchased and have mature and reliable quality, the system connection assembly is simple, meter arrangement and software codes are easy to be mastered, and the system running is safe and reliable. The alarm system can be used for not only setting the upper pressure limit of the water supply networks, but also monitoring the pressure numerical value of each pressure observation point in real time on line, and particularly being capable of sending out alarm quickly when the pressure numerical value of one observation point is lower than the set value, thus greatly improving management level of water supply, reducing production operating cost, increasing operating benefit and enhancing water supply service quality.

Description

Villages and small towns water supply network pressure security control warning system

Technical field

The utility model relates to villages and small towns water supply network operation control system, specifically a kind of villages and small towns water supply network pressure security control warning system.

Background technology

Along with supply water the in flakes development of cause of China rural area, the villages and small towns water supply project of a water supply network is formed in the villages and small towns that occurred many several villages, tens villages even several small towns in succession in all parts of the country in flakes.This mode of central water supply in flakes disperses way of supplying water to compare with the single village that takes in the past, have that water supply quality is guaranteed, the scale of having a large population that supplies water is big, water supply mechanism (enterprise) is profitable, the Rural water supply cause can stablize the advantage that develops for a long time, but also exist water supply network water-supply-pipe line length, along the variation of pipeline topographical elevation difference greatly, pipe network operation management difficulty shortcoming such as expense height greatly.Pipeline often occurs and cause because of external destruction or pipe internal pressure change that pipeline break is metalled run out, not found water supply accident for a long time, sometimes pipeline breaking is metalled run out, the user supplies water, and interruption 1-2 talent knows, causes bigger reputation loss and economic loss usually for water supply mechanism (enterprise).For avoiding the generation of this class water supply accident, the water supply mechanism that has sends someone to go out along the pipeline inspection everyday, has usually turned round and look at this sheet pipe network and has not turned round and look at that sheet pipe network, turned round and look to patrol daytime and do not turn round and look at the inspection at night, and it is also very undesirable that manpower and materials are wasted big effect like this.

Summary of the invention

The utility model provides a kind of villages and small towns water supply network pressure security control warning device for addressing the above problem, and is specifically designed to security settings, on-line monitoring, abnormal alarm that water delivery line is grown, changed villages and small towns water supply network operating pressure greatly along the pipeline topographical elevation difference.

For achieving the above object, the technical scheme that the utility model adopted is as follows:

Include the various device that is installed in pressure pump scene, distribution system of water supply pipeline pressure observation station and monitoring center, wherein:

At the pressure pump scene, include motor and pressure pump, frequency-variable controller, aqueduct and pressure transducer I, motor and pressure pump are connected with aqueduct with frequency-variable controller respectively, and pressure transducer I is connected with aqueduct with frequency-variable controller respectively;

At pipe network pipeline pressure observation point, include pressure transducer II, single channel input digital display controller, direct current 24V power supply I, acoustic-optic alarm I, microwave data radio station I, direct current 13.8V power supply I, lightning arrester and earthing pole I and microwave directional antenna, pressure transducer II is installed on the distribution system of water supply pipeline, pressure transducer II and single channel input digital display controller, microwave data radio station I and microwave directional antenna are linked in sequence, direct current 24V power supply I, acoustic-optic alarm I and direct current 13.8V power supply I respectively with pressure transducer II, single channel input digital display controller and microwave data radio station I connect, and the power supply of all devices all is connected with earthing pole I with lightning arrester;

In monitoring center, include acoustic-optic alarm II, Programmable Logic Controller, direct current 24V power supply II, microwave data radio station II, direct current 13.8V power supply II, Industrial Control Computer, microwave omnidirectional antenna, lightning arrester and earthing pole II, microwave data radio station II, Programmable Logic Controller are connected with Industrial Control Computer respectively, microwave data radio station II is connected with microwave omnidirectional antenna and direct current 13.8V power supply II respectively, Programmable Logic Controller is connected with direct current 24V power supply II and acoustic-optic alarm II respectively, and the power supply of all devices all is connected with earthing pole II with lightning arrester.

All components and parts that the utility model adopts are easy to buy and the quality mature and reliable, and system assembles simply, and instrument setting and software coding are easy to grasp, and system is safe and reliable to operation.Use the utility model and can set the upper pressure limit of water supply network, pressure value that again can each pressure observation point of real time on-line monitoring, when being lower than setting value, the pressure value of observation station can send warning rapidly in time especially, improve the water supply management level greatly, reduce the production run cost, increase effectiveness of operation, improve the water services quality.

Description of drawings

Fig. 1 is the equipment connection diagram of the utility model pressure pump scene and distribution system of water supply pipeline pressure observation station;

Fig. 2 is the equipment connection diagram of the utility model monitoring center.

Embodiment:

Below in conjunction with the drawings and specific embodiments the utility model is described in detail:

As shown in Figure 1, at the pressure pump scene, motor and pressure pump 1 are connected with aqueduct 3 with frequency-variable controller 2 respectively, and pressure transducer I4 is connected with aqueduct 3 with frequency-variable controller 2 respectively.At first by frequency-variable controller 2 starter motors and pressure pump 1 to aqueduct 3 transporting water, frequency-variable controller 2 is except that the operation of drive motor and pressure pump 1 and controlling its unlatching and stop, also have pressure and manually set and keep the constant function of ductwork pressure, can carry out the frequency control operation automatically according to the force value signal of artificial predefined force value and pressure transducer I4 feedback, make the aqueduct actual pressure value consistent with predefined force value.

At pipe network pipeline pressure observation point, pressure transducer II6 is installed on the distribution system of water supply pipeline 5, pressure transducer II6 and single channel input digital display controller 7, microwave data radio station I10 and microwave directional antenna 13 are linked in sequence, direct current 24V power supply I8, acoustic-optic alarm I9 are connected with pressure transducer II6, single channel input digital display controller 7 and microwave data radio station I10 respectively with direct current 13.8V power supply I11, and the power supply of all devices all is connected with earthing pole I12 with lightning arrester.The pressure signal that pressure transducer II6 records and exports is an analog current signal, be input to behind the single channel input digital display controller 7 can the display pipes water pressure digital value.This single channel input digital display controller 7 has the pressure bound and sets and the alarm switch output function, when distribution system of water supply pipeline breaking pressure is reduced to the lower limit of setting, the alarm switch interface closure of single channel input digital display controller 7 is that energized starts acoustic-optic alarm I9 work, occurs unusual thereby near the crowd the caution should locate pipeline pressure.Simultaneously, the digital signal of single channel input digital display controller 7 is dealt into the Industrial Control Computer 19 of monitoring center continuously by microwave data radio station I10, microwave directional antenna 13.Adopting lightning arrester and earthing pole I12 is that all components and parts of guaranteeing pipe network pipeline pressure observation point exempt from and are struck by lightning and safe operation.

As shown in Figure 2, in monitoring center, microwave data radio station II17, Programmable Logic Controller 15 are connected with Industrial Control Computer 19 respectively, microwave data radio station II17 is connected with microwave omnidirectional antenna 20 and direct current 13.8V power supply II18 respectively, Programmable Logic Controller 15 is connected with direct current 24V power supply II16 and acoustic-optic alarm II14 respectively, and the power supply of all devices all is connected with earthing pole II21 with lightning arrester.The configuration industrial control software of working out for native system specially is housed in the Industrial Control Computer 19, by microwave omnidirectional antenna 20, microwave data radio station II17 receives the pressure on the number value of each observation station continually, the force value that receives certain observation station when Industrial Control Computer 19 is lower than when setting, promptly on display, eject the title of the observation station that pressure anomaly takes place, start the acoustic-optic alarm II14 work that is attached thereto by Programmable Logic Controller 15 simultaneously, the operator on duty hears or sees and reporting to the police and according to the pressure anomaly observation station title that ejects on the display, promptly rushes for this observation station rapidly and checks with establishment officer and rush to repair.Adopt lightning arrester and earthing pole II21 to guarantee that all components and parts of Surveillance center exempt from thunderbolt and safe operation.

Claims

1. a villages and small towns water supply network pressure security control warning system includes the various device that is installed in motor and pressure pump scene, distribution system of water supply pipeline pressure observation station and monitoring center, it is characterized in that,

At the pressure pump scene, include motor and pressure pump (1), frequency-variable controller (2), aqueduct (3) and pressure transducer I (4), motor and pressure pump (1) are connected with aqueduct (3) with frequency-variable controller (2) respectively, and pressure transducer I (4) is connected with aqueduct (3) with frequency-variable controller (2) respectively;

At pipe network pipeline pressure observation point, include pressure transducer II (6), single channel input digital display controller (7), direct current 24V power supply I (8), acoustic-optic alarm I (9), microwave data radio station I (10), direct current 13.8V power supply (11), lightning arrester and earthing pole I (12) and microwave directional antenna (13), pressure transducer II (6) is installed on the distribution system of water supply pipeline (5), pressure transducer II (6) and single channel input digital display controller (7), microwave data radio station I (10) and microwave directional antenna (13) are linked in sequence, direct current 24V power supply (8), acoustic-optic alarm I (9) and direct current 13.8V power supply I (11) respectively with pressure transducer II (6), single channel input digital display controller (7) and microwave data radio station I (10) connect, and the power supply of all devices all is connected with earthing pole I (12) with lightning arrester;

In monitoring center, include acoustic-optic alarm II (14), Programmable Logic Controller (15), direct current 24V power supply (16), microwave data radio station II (17), direct current 13.8V power supply II (18), Industrial Control Computer (19), microwave omnidirectional antenna (20), lightning arrester and earthing pole II (21), microwave data radio station II (17), Programmable Logic Controller (15) is connected with Industrial Control Computer (19) respectively, microwave data radio station II (17) is connected with microwave omnidirectional antenna (20) and direct current 13.8V power supply II (18) respectively, Programmable Logic Controller (15) is connected with direct current 24V power supply (16) and acoustic-optic alarm II (14) respectively, and the power supply of all devices all is connected with earthing pole II (21) with lightning arrester.