CN110211346B - Urban sewer line water level alarm equipment - Google Patents
Urban sewer line water level alarm equipment Download PDFInfo
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- CN110211346B CN110211346B CN201910509514.2A CN201910509514A CN110211346B CN 110211346 B CN110211346 B CN 110211346B CN 201910509514 A CN201910509514 A CN 201910509514A CN 110211346 B CN110211346 B CN 110211346B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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Abstract
The invention relates to an alarm device, in particular to a water level alarm device for an urban sewer line. The technical problem of the invention is that: the urban sewer line water level alarm equipment can remind people of water level rise in sewer lines in time and does not influence the passing of people. A water level alarm device for an urban sewer line comprises a bottom plate, a mounting frame, an alarm, an LED display screen, a rain-proof plate, a control box, an anti-burying device and the like; the bottom plate top rigid coupling has the mounting bracket, and the alarm is installed on mounting bracket right side upper portion, and the LED display screen is installed at the mounting bracket top. According to the invention, the control module can control the alarm to give out an alarm to remind people that the water level in the sewer pipeline of the motorway section reaches the warning level, and water can overflow to cause water accumulation on the road surface, so that the attention is required, and people can be effectively reminded, so that the passing of people is not influenced; whether the water level in the sewer pipeline rises or not can be reminded constantly through the real-time prompting device.
Description
Technical Field
The invention relates to an alarm device, in particular to a water level alarm device for an urban sewer line.
Background
Sewer pipe is the pipeline that is used for discharging domestic sewage and rainwater specially, is a crucial urban installation, and when heavy rain, sewer pipe probably the drainage untimely, leads to the water level in the sewer pipe to rise, can lead to the water in the sewer pipe to spill over moreover, causes the surface gathered water, in order not to influence pedestrian and vehicle current, need remind the water in the people's sewer pipe probably to spill over, leads to the surface gathered water.
At present generally the staff places the warning sign near the well lid, reminds people's sewer pipe water in may spill over, leads to surface gathered water, but the staff has other work, can't monitor the water level in the sewer pipe at every moment, consequently, the staff probably can't in time remind people, and the warning sign is less obvious inadequately moreover, and people may not see the warning sign, still can influence people current.
Therefore, the device which can remind people of water level rising in the sewer pipeline in time and does not influence the passing of people needs to be designed to solve the problems.
Disclosure of Invention
In order to overcome the defects that workers have other work and cannot monitor the water level in a sewer pipe at any moment, people may not see a warning board and still influence the passing of people, the technical problem of the invention is as follows: the urban sewer line water level alarm equipment can remind people of water level rise in sewer lines in time and does not influence the passing of people.
The technical scheme is as follows: a water level alarm device for an urban sewer line comprises a bottom plate, a mounting frame, an alarm, an LED display screen, a rain-proof plate, a control box, an anti-burying device, a first ultrasonic Doppler flow meter sensor, a second ultrasonic Doppler flow meter sensor and a third ultrasonic Doppler flow meter sensor, wherein the top of the bottom plate is fixedly connected with the mounting frame, the alarm is arranged at the upper part of the right side of the mounting frame, the LED display screen is arranged at the top of the mounting frame, the rain-proof plate is arranged at the top of the LED display screen, the control box is fixedly connected at the lower part of the mounting frame, a GPRS wireless remote switch circuit breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter main machines are arranged in the control box, the GPRS wireless remote switch circuit breaker is connected with the switch power supply through, the power module is connected with a power main switch through a line, the drain pipe is internally provided with a burying-preventing device, the burying-preventing device is provided with a first ultrasonic Doppler flow meter sensor, a second ultrasonic Doppler flow meter sensor and a third ultrasonic Doppler flow meter sensor, the first ultrasonic Doppler flow meter sensor, the second ultrasonic Doppler flow meter sensor and the third ultrasonic Doppler flow meter sensor are respectively connected with three ultrasonic Doppler flow meter hosts through lines, and the alarm and the LED display screen are connected with the control module through lines.
Further, the burying-proof device comprises a conduit, a guide rod, a contact block, a dustproof ring, a spring, a protective plate, a distance sensor, a pawl, a spring sheet, a sliding sleeve, a slide rod, a limiting plate, a rack, a protective box and a mounting plate, wherein the conduit is arranged at the left side in the drainage pipe, the guide rod is arranged in the conduit, the contact block is fixedly connected at the top end of the guide rod, the spring is wound on the guide rod, one end of the spring is connected with the contact block, the other end of the spring is connected with the conduit, the dustproof ring is connected on a well cover in an embedded manner, the contact block is positioned in the dustproof ring, the protective plate and the distance sensor are both fixedly connected at the right side of the conduit, the distance sensor is positioned in the protective plate, the rotary pawl is connected at the bottom end of the guide rod, the spring sheet is, two sliding sleeve internal sliding formula are equipped with the slide bar, limiting plate connection is on the slide bar top, open on the slide bar left side has the bar groove, bar inslot side rigid coupling has the rack, rack and pawl cooperation, slide bar bottom rigid coupling has the mounting panel, first ultrasonic wave Doppler flowmeter sensor, second ultrasonic wave Doppler flowmeter sensor and third ultrasonic wave Doppler flowmeter sensor all set up on the mounting panel, distance sensor and control module pass through the line connection.
Further, the device comprises a real-time prompting device, the real-time prompting device comprises a first guide rail, a first guide sleeve, a floating box, a first hydraulic cylinder, a protective tube, a hydraulic tube, a second hydraulic cylinder, a second guide rail, a second guide sleeve, an indicating plate, a water outlet picture, a first piston and a second piston, the first guide sleeve and the first hydraulic cylinder are fixedly connected to the right side in the water outlet tube, the first hydraulic cylinder is positioned above the first guide sleeve, the first guide rail in a U shape is arranged in the first guide sleeve, the floating box is connected to the first guide rail, the first guide rail penetrates through the bottom of the first hydraulic cylinder, the first piston is arranged in the first hydraulic cylinder, the bottom of the first piston is connected with the first guide rail, the second guide sleeve and the second hydraulic cylinder are fixedly connected to the right side of the mounting frame, the second guide sleeve is positioned above the second hydraulic cylinder, the protective tube and the hydraulic tube are connected between the second hydraulic cylinder and the first, be equipped with the second piston in the second pneumatic cylinder, all be equipped with hydraulic oil in first pneumatic cylinder, hydraulic pressure pipe and the second pneumatic cylinder, second guide rail rigid coupling in second piston top, the second guide rail passes second pneumatic cylinder top, and the second guide rail is located the second guide cover, and second guide rail left side upper portion is connected with the indicator plate, and mounting bracket front side left side rigid coupling has the outlet picture.
Further explaining, still including protector, protector is equipped with the dysmorphism board including dysmorphism board, protection network, fastening bolt and brush hair on the sliding sleeve of below, and the embedded protection network that installs in dysmorphism board left part, and the dysmorphism board left side is opened there is the through-hole, and the sliding sleeve left side of below is opened has the screw, is equipped with fastening bolt in the screw, and fastening bolt passes the through-hole, and the dysmorphism board right side is opened has the recess, and the recess inboard is connected with the brush hair, brush hair.
Further, the automatic release device comprises a pull rod, an electric push rod and a push block, the pull rod is fixedly connected to the bottom end of the pawl, the electric push rod is installed on the left side in the protection box, the push block is connected to the right end of the push rod of the electric push rod and is in contact with the pull rod, and the electric push rod is connected with the control module through a peripheral circuit.
Further, the control box comprises a GPRS wireless remote control switch circuit breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts, the GPRS wireless remote control switch circuit breaker is connected with the switch power supply through a circuit, the output end of the switch power supply is connected with the power supply module through a circuit, the power supply module is connected with the control module through a circuit, the power supply module is connected with a power supply main switch through a circuit, and the switch power supply can supply power to the equipment; the control module is connected with a 24C02 circuit and a DS1302 circuit, the 24C02 circuit is used for storing parameters, the set parameters are stored in the 24C02 circuit, relevant parameters are called out during work, the DS1302 circuit provides a time reference, timing can be carried out, and the leap year compensation function is achieved; the alarm, the LED display screen and the distance sensor are all connected with the control module through lines; the electric push rod is connected with the control module through a peripheral circuit.
The invention has the beneficial effects that: according to the invention, the control module can control the alarm to give out an alarm to remind people that the water level in the sewer pipeline of the motorway section reaches the warning level, and water can overflow to cause water accumulation on the road surface, so that the attention is required, and people can be effectively reminded, so that the passing of people is not influenced; the real-time prompting device can remind people whether the water level in the sewer pipeline rises or not at any time; the slide bar can be cleaned through the protective device, so that the slide bar is kept clean, and the slide bar is prevented from moving inconveniently due to the fact that impurities enter the lower sliding sleeve; manual operation can be greatly reduced through the automatic release device, so that workers can feel easier.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged schematic view of part B of the present invention.
Fig. 4 is an enlarged schematic view of the part C of the present invention.
Fig. 5 is an enlarged schematic view of the portion D of the present invention.
Fig. 6 is an enlarged schematic view of part E of the present invention.
Fig. 7 is an enlarged schematic view of part F of the present invention.
FIG. 8 is an enlarged view of the structure of part G of the present invention.
Fig. 9 is a first circuit block diagram of the present invention.
Fig. 10 is a second circuit block diagram of the present invention.
Fig. 11 is a schematic circuit diagram of the present invention.
In the figure: 1 motorway, 4 drainpipes, 5 manhole covers, 6 bottom plates, 7 mounting frames, 8 alarms, 9LED display screens, 10 flashing boards, 11 control boxes, 12 anti-burying devices, 121 conduits, 122 guide rods, 123 contact blocks, 124 dustproof rings, 125 springs, 126 protection plates, 127 distance sensors, 128 pawls, 129 elastic sheets, 1210 sliding sleeves, 1211 sliding rods, 1212 limit plates, 1213 strip grooves, 1214 racks, 1215 protection boxes, 1216 drain holes, 1217 mounting plates, 13 first ultrasonic Doppler flow meter sensors, 14 second ultrasonic Doppler flow meter sensors, 15 third ultrasonic Doppler flow meter sensors, 16 real-time prompting devices, 161 first guide rails, 162 first guide sleeves, 163 buoyancy boxes, 164 first hydraulic cylinders, 165 protection tubes, 166 hydraulic tubes, 167 second hydraulic cylinders, 168 second guide rails, 169 second guide sleeves, 1610 indicator boards, 1611 drain outlet pictures, 1612 first pistons, 1613 second piston, 17 protector, 171 special-shaped plate, 172 protective net, 173 through hole, 174 fastening bolt, 175 screw hole, 176 groove, 177 brush hair, 18 automatic releasing device, 181 pull rod, 182 electric push rod and 183 push block.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
A water level alarm device for an urban sewer line is shown in figures 1, 2, 4, 5, 9, 10 and 11 and comprises a bottom plate 6, a mounting frame 7, an alarm 8, an LED display screen 9, a rain-proof plate 10, a control box 11, an anti-burying device 12, a first ultrasonic Doppler flow meter sensor 13, a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the top of the bottom plate 6 is fixedly connected with the mounting frame 7, the bottom plate 6 is connected with the mounting frame 7 in a welding connection mode, the alarm 8 is installed on the upper portion of the right side of the mounting frame 7, the LED display screen 9 is installed on the top of the mounting frame 7, the rain-proof plate 10 is arranged on the top of the LED display screen 9, the control box 11 is fixedly connected to the lower portion of the mounting frame 7, the mounting frame 7 is connected with the control box 11 in a bolt connection mode, and, The device comprises a switching power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts, wherein a GPRS wireless remote control switch circuit breaker is connected with the switching power supply through a circuit, the output end of the switching power supply is connected with the power supply module through a circuit, the power supply module is connected with the control module through a circuit, a power supply main switch is connected onto the power supply module through a circuit, a burying-preventing device 12 is arranged in a water drainage pipe 4, a first ultrasonic Doppler flow meter sensor 13 is arranged on the burying-preventing device 12, the alarm device comprises a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the first ultrasonic Doppler flow meter sensor 13, the second ultrasonic Doppler flow meter sensor 14 and the third ultrasonic Doppler flow meter sensor 15 are respectively connected with three ultrasonic Doppler flow meter hosts through lines, and the alarm device 8 and the LED display screen 9 are both connected with the control module through lines.
Example 2
An urban sewer line water level alarm device is shown in figures 1, 2, 4, 5, 9, 10 and 11 and comprises a bottom plate 6, a mounting frame 7, an alarm 8, an LED display screen 9, a rain-proof plate 10, a control box 11, an anti-burying device 12, a first ultrasonic Doppler flow meter sensor 13, a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the top of the bottom plate 6 is fixedly connected with the mounting frame 7, the alarm 8 is installed on the upper portion of the right side of the mounting frame 7, the LED display screen 9 is installed on the top of the mounting frame 7, the rain-proof plate 10 is arranged on the top of the LED display screen 9, the control box 11 is fixedly connected on the lower portion of the mounting frame 7, the control box 11 internally comprises a GPRS wireless remote switch breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts, the GPRS wireless remote switch, switching power supply's output and power module pass through the line connection, power module and control module pass through the line connection, there is the power master switch power module last through the line connection, be equipped with in the drain pipe 4 and prevent burying device 12, be equipped with first ultrasonic wave Doppler flowmeter sensor 13 on preventing burying device 12, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 pass through the line connection with three ultrasonic wave Doppler flowmeter host computer respectively, alarm 8 and LED display screen 9 all pass through the line connection with control module.
The burying-proof device 12 comprises a conduit 121, a guide rod 122, a contact block 123, a dustproof ring 124, a spring 125, a protective plate 126, a distance sensor 127, a pawl 128, a spring sheet 129, a sliding sleeve 1210, a sliding rod 1211, a limiting plate 1212, a rack 1214, a protective box 1215 and a mounting plate 1217, wherein the conduit 121 is mounted on the left side in the drain pipe 4, the guide rod 122 is arranged in the conduit 121, the contact block 123 is fixedly connected to the top end of the guide rod 122, the guide rod 122 is connected to the contact block 123 by welding, the spring 125 is wound on the guide rod 122, one end of the spring 125 is connected to the contact block 123, the other end of the spring 125 is connected to the conduit 121, the dustproof ring 124 is connected to the well lid 5 in an embedded manner, the contact block 123 is located in the dustproof ring 124, the protective plate 126 and the distance sensor 127 are both fixedly connected to the right side of the conduit 121, the lower part of the guide pipe 121 is connected with a protection box 1215, the guide pipe 121 is connected with the protection box 1215 through a welding connection mode, the bottom of the protection box 1215 is provided with a drain hole 1216, the right side of the top of the protection box 1215 is embedded with a sliding sleeve 1210 which plays a role in guiding, the right side of the bottom of the protection box 1215 is also embedded with a sliding sleeve 1210, two sliding sleeves 1210 are internally and slidably provided with sliding rods 1211, a limiting plate 1212 is connected to the top end of each sliding rod 1211, the left side of each sliding rod 1211 is provided with a strip-shaped groove 1213, the inner side of each strip-shaped groove 1213 is fixedly connected with a rack 1214, each rack 1214 is matched with a pawl 128, the bottom end of each sliding rod 1211 is fixedly connected with a mounting plate 1217, the first ultrasonic Doppler flow meter sensor 13, the.
Example 3
An urban sewer line water level alarm device is shown in figures 1, 2, 4, 5, 6, 7, 8, 9, 10 and 11 and comprises a bottom plate 6, a mounting frame 7, an alarm 8, an LED display screen 9, a rain-proof plate 10, a control box 11, an anti-burying device 12, a first ultrasonic Doppler flow meter sensor 13, a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the top of the bottom plate 6 is fixedly connected with the mounting frame 7, the alarm 8 is arranged on the upper portion of the right side of the mounting frame 7, the LED display screen 9 is arranged on the top of the mounting frame 7, the rain-proof plate 10 is arranged on the top of the LED display screen 9, the control box 11 is fixedly connected on the lower portion of the mounting frame 7, a GPRS wireless remote switch breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts are arranged in the control box 11, the GPRS wireless remote switch breaker is, switching power supply's output and power module pass through the line connection, power module and control module pass through the line connection, there is the power master switch power module last through the line connection, be equipped with in the drain pipe 4 and prevent burying device 12, be equipped with first ultrasonic wave Doppler flowmeter sensor 13 on preventing burying device 12, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 pass through the line connection with three ultrasonic wave Doppler flowmeter host computer respectively, alarm 8 and LED display screen 9 all pass through the line connection with control module.
The burying-proof device 12 comprises a conduit 121, a guide rod 122, a contact block 123, a dustproof ring 124, a spring 125, a protective plate 126, a distance sensor 127, a pawl 128, a spring sheet 129, a sliding sleeve 1210, a sliding rod 1211, a limiting plate 1212, a rack 1214, a protective box 1215 and a mounting plate 1217, wherein the conduit 121 is mounted on the left side in the drain pipe 4, the guide rod 122 is arranged in the conduit 121, the contact block 123 is fixedly connected to the top end of the guide rod 122, the spring 125 is wound on the guide rod 122, one end of the spring 125 is connected with the contact block 123, the other end of the spring 125 is connected with the conduit 121, the dustproof ring 124 is connected to the well lid 5 in an embedded manner, the contact block 123 is positioned in the dustproof ring 124, the protective plate 126 and the distance sensor 127 are both fixedly connected to the right side of the conduit 121, the distance sensor 127 is positioned in the, the bottom of the protection box 1215 is provided with a drain hole 1216, the right side of the top of the protection box 1215 is provided with a sliding sleeve 1210 with a guiding function in an embedded manner, the right side of the bottom of the protection box 1215 is also provided with the sliding sleeve 1210 in an embedded manner, two sliding sleeves 1210 are internally and slidably provided with a sliding rod 1211, a limiting plate 1212 is connected to the top end of the sliding rod 1211, the left side of the sliding rod 1211 is provided with a strip-shaped groove 1213, the inner side of the strip-shaped groove 1213 is fixedly connected with a rack 1214, the rack 1214 is matched with a pawl 128, the bottom end of the sliding rod 1211 is fixedly connected with an installation plate 1217, the first ultrasonic Doppler flow meter sensor 13, the second ultrasonic Doppler flow meter.
The real-time prompting device 16 is further included, the real-time prompting device 16 includes a first guide rail 161, a first guide sleeve 162, a buoyancy tank 163, a first hydraulic cylinder 164, a protection tube 165, a hydraulic tube 166, a second hydraulic cylinder 167, a second guide rail 168, a second guide sleeve 169, an indication plate 1610, a water outlet picture 1611, a first piston 1612 and a second piston 1613, the first guide sleeve 162 and the first hydraulic cylinder 164 are fixedly connected to the right side in the water discharge pipe 4, the first hydraulic cylinder 164 is located above the first guide sleeve 162, the first guide rail 161 in a u-shaped shape is arranged in the first guide sleeve 162, the buoyancy tank 163 is connected to the first guide rail 161, the first guide rail 161 penetrates through the bottom of the first hydraulic cylinder 164, the first piston 1612 is arranged in the first hydraulic cylinder 164, the bottom of the first piston 1612 is connected to the first guide rail 161, the first piston 1612 is fixedly connected to the first guide rail 161 in a welding connection manner, the second guide sleeve 167 and the second hydraulic cylinder are both arranged at the right part, second guide sleeve 169 is located second pneumatic cylinder 167 top, be connected with protection tube 165 and hydraulic pressure pipe 166 between second pneumatic cylinder 167 and the first pneumatic cylinder 164, hydraulic pressure pipe 166 is located protection tube 165, be equipped with second piston 1613 in the second pneumatic cylinder 167, all be equipped with hydraulic oil in first pneumatic cylinder 164, hydraulic pressure pipe 166 and the second pneumatic cylinder 167, second guide rail 168 rigid coupling is in second piston 1613 top, second guide rail 168 is connected with second piston 1613 through welded connection's mode, second guide rail 168 passes second pneumatic cylinder 167 top, second guide rail 168 is located second guide sleeve 169, second guide rail 168 left side upper portion is connected with indicator panel 1610, mounting bracket 7 front side left side rigid coupling has outlet picture 1611.
Example 4
An urban sewer line water level alarm device is shown in figures 1-11 and comprises a bottom plate 6, a mounting rack 7, an alarm 8, an LED display screen 9, a rain-proof plate 10, a control box 11, an anti-burying device 12, a first ultrasonic Doppler flow meter sensor 13, a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the mounting rack 7 is fixedly connected to the top of the bottom plate 6, the alarm 8 is mounted on the upper portion of the right side of the mounting rack 7, the LED display screen 9 is mounted on the top of the mounting rack 7, the rain-proof plate 10 is arranged on the top of the LED display screen 9, the control box 11 is fixedly connected to the lower portion of the mounting rack 7, a GPRS wireless remote switch breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts are arranged in the control box 11, the GPRS wireless remote switch breaker is connected with, power module and control module pass through the line connection, there is the power master switch in the last line connection of power module, be equipped with in the drain pipe 4 and prevent burying device 12, it is equipped with first ultrasonic wave Doppler flowmeter sensor 13 on preventing burying device 12, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 pass through the line connection with three ultrasonic wave Doppler flowmeter host computer respectively, alarm 8 and LED display screen 9 all pass through the line connection with control module.
The burying-proof device 12 comprises a conduit 121, a guide rod 122, a contact block 123, a dustproof ring 124, a spring 125, a protective plate 126, a distance sensor 127, a pawl 128, a spring sheet 129, a sliding sleeve 1210, a sliding rod 1211, a limiting plate 1212, a rack 1214, a protective box 1215 and a mounting plate 1217, wherein the conduit 121 is mounted on the left side in the drain pipe 4, the guide rod 122 is arranged in the conduit 121, the contact block 123 is fixedly connected to the top end of the guide rod 122, the spring 125 is wound on the guide rod 122, one end of the spring 125 is connected with the contact block 123, the other end of the spring 125 is connected with the conduit 121, the dustproof ring 124 is connected to the well lid 5 in an embedded manner, the contact block 123 is positioned in the dustproof ring 124, the protective plate 126 and the distance sensor 127 are both fixedly connected to the right side of the conduit 121, the distance sensor 127 is positioned in the, the bottom of the protection box 1215 is provided with a drain hole 1216, the right side of the top of the protection box 1215 is provided with a sliding sleeve 1210 with a guiding function in an embedded manner, the right side of the bottom of the protection box 1215 is also provided with the sliding sleeve 1210 in an embedded manner, two sliding sleeves 1210 are internally and slidably provided with a sliding rod 1211, a limiting plate 1212 is connected to the top end of the sliding rod 1211, the left side of the sliding rod 1211 is provided with a strip-shaped groove 1213, the inner side of the strip-shaped groove 1213 is fixedly connected with a rack 1214, the rack 1214 is matched with a pawl 128, the bottom end of the sliding rod 1211 is fixedly connected with an installation plate 1217, the first ultrasonic Doppler flow meter sensor 13, the second ultrasonic Doppler flow meter.
The real-time prompting device 16 is further included, the real-time prompting device 16 includes a first guide rail 161, a first guide sleeve 162, a buoyancy tank 163, a first hydraulic cylinder 164, a protection tube 165, a hydraulic tube 166, a second hydraulic cylinder 167, a second guide rail 168, a second guide sleeve 169, an indication plate 1610, a water outlet picture 1611, a first piston 1612 and a second piston 1613, the first guide sleeve 162 and the first hydraulic cylinder 164 are fixedly connected to the right side in the water discharge pipe 4, the first hydraulic cylinder 164 is located above the first guide sleeve 162, the first guide rail 161 in a u-shaped shape is arranged in the first guide sleeve 162, the buoyancy tank 163 is connected to the first guide rail 161, the first guide rail 161 penetrates through the bottom of the first hydraulic cylinder 164, the first piston 1612 is arranged in the first hydraulic cylinder 164, the bottom of the first piston 1612 is connected to the first guide rail 161, the second guide sleeve 169 and the second hydraulic cylinder 167 are fixedly connected to the right side of the front of the mounting frame 7, the second guide sleeve, be connected with protection tube 165 and hydraulic pressure pipe 166 between second pneumatic cylinder 167 and the first pneumatic cylinder 164, hydraulic pressure pipe 166 is located protection tube 165, be equipped with second piston 1613 in the second pneumatic cylinder 167, all be equipped with hydraulic oil in first pneumatic cylinder 164, hydraulic pressure pipe 166 and the second pneumatic cylinder 167, second guide rail 168 rigid coupling in second piston 1613 top, second guide rail 168 passes second pneumatic cylinder 167 top, second guide rail 168 is located second guide pin bushing 169, second guide rail 168 left side upper portion is connected with the indicator plate, mounting bracket 1610 7 front side left side rigid coupling has outlet picture 1611.
The protective device 17 is further included, the protective device 17 comprises a special-shaped plate 171, a protective net 172, fastening bolts 174 and bristles 177, the special-shaped plate 171 is arranged on a sliding sleeve 1210 below the protective device, the protective net 172 is embedded in the left portion of the special-shaped plate 171, through holes 173 are formed in the left side of the special-shaped plate 171, screw holes 175 are formed in the left side of the sliding sleeve 1210 below the protective device, the fastening bolts 174 are arranged in the screw holes 175, the fastening bolts 174 penetrate through the through holes 173, a groove 176 is formed in the right side of the special-shaped plate 171, the bristles 177 are connected.
Example 5
An urban sewer line water level alarm device is shown in figures 1-11 and comprises a bottom plate 6, a mounting rack 7, an alarm 8, an LED display screen 9, a rain-proof plate 10, a control box 11, an anti-burying device 12, a first ultrasonic Doppler flow meter sensor 13, a second ultrasonic Doppler flow meter sensor 14 and a third ultrasonic Doppler flow meter sensor 15, wherein the mounting rack 7 is fixedly connected to the top of the bottom plate 6, the alarm 8 is mounted on the upper portion of the right side of the mounting rack 7, the LED display screen 9 is mounted on the top of the mounting rack 7, the rain-proof plate 10 is arranged on the top of the LED display screen 9, the control box 11 is fixedly connected to the lower portion of the mounting rack 7, a GPRS wireless remote switch breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts are arranged in the control box 11, the GPRS wireless remote switch breaker is connected with, power module and control module pass through the line connection, there is the power master switch in the last line connection of power module, be equipped with in the drain pipe 4 and prevent burying device 12, it is equipped with first ultrasonic wave Doppler flowmeter sensor 13 on preventing burying device 12, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 pass through the line connection with three ultrasonic wave Doppler flowmeter host computer respectively, alarm 8 and LED display screen 9 all pass through the line connection with control module.
The burying-proof device 12 comprises a conduit 121, a guide rod 122, a contact block 123, a dustproof ring 124, a spring 125, a protective plate 126, a distance sensor 127, a pawl 128, a spring sheet 129, a sliding sleeve 1210, a sliding rod 1211, a limiting plate 1212, a rack 1214, a protective box 1215 and a mounting plate 1217, wherein the conduit 121 is mounted on the left side in the drain pipe 4, the guide rod 122 is arranged in the conduit 121, the contact block 123 is fixedly connected to the top end of the guide rod 122, the spring 125 is wound on the guide rod 122, one end of the spring 125 is connected with the contact block 123, the other end of the spring 125 is connected with the conduit 121, the dustproof ring 124 is connected to the well lid 5 in an embedded manner, the contact block 123 is positioned in the dustproof ring 124, the protective plate 126 and the distance sensor 127 are both fixedly connected to the right side of the conduit 121, the distance sensor 127 is positioned in the, the bottom of the protection box 1215 is provided with a drain hole 1216, the right side of the top of the protection box 1215 is provided with a sliding sleeve 1210 with a guiding function in an embedded manner, the right side of the bottom of the protection box 1215 is also provided with the sliding sleeve 1210 in an embedded manner, two sliding sleeves 1210 are internally and slidably provided with a sliding rod 1211, a limiting plate 1212 is connected to the top end of the sliding rod 1211, the left side of the sliding rod 1211 is provided with a strip-shaped groove 1213, the inner side of the strip-shaped groove 1213 is fixedly connected with a rack 1214, the rack 1214 is matched with a pawl 128, the bottom end of the sliding rod 1211 is fixedly connected with an installation plate 1217, the first ultrasonic Doppler flow meter sensor 13, the second ultrasonic Doppler flow meter.
The real-time prompting device 16 is further included, the real-time prompting device 16 includes a first guide rail 161, a first guide sleeve 162, a buoyancy tank 163, a first hydraulic cylinder 164, a protection tube 165, a hydraulic tube 166, a second hydraulic cylinder 167, a second guide rail 168, a second guide sleeve 169, an indication plate 1610, a water outlet picture 1611, a first piston 1612 and a second piston 1613, the first guide sleeve 162 and the first hydraulic cylinder 164 are fixedly connected to the right side in the water discharge pipe 4, the first hydraulic cylinder 164 is located above the first guide sleeve 162, the first guide rail 161 in a u-shaped shape is arranged in the first guide sleeve 162, the buoyancy tank 163 is connected to the first guide rail 161, the first guide rail 161 penetrates through the bottom of the first hydraulic cylinder 164, the first piston 1612 is arranged in the first hydraulic cylinder 164, the bottom of the first piston 1612 is connected to the first guide rail 161, the second guide sleeve 169 and the second hydraulic cylinder 167 are fixedly connected to the right side of the front of the mounting frame 7, the second guide sleeve, be connected with protection tube 165 and hydraulic pressure pipe 166 between second pneumatic cylinder 167 and the first pneumatic cylinder 164, hydraulic pressure pipe 166 is located protection tube 165, be equipped with second piston 1613 in the second pneumatic cylinder 167, all be equipped with hydraulic oil in first pneumatic cylinder 164, hydraulic pressure pipe 166 and the second pneumatic cylinder 167, second guide rail 168 rigid coupling in second piston 1613 top, second guide rail 168 passes second pneumatic cylinder 167 top, second guide rail 168 is located second guide pin bushing 169, second guide rail 168 left side upper portion is connected with the indicator plate, mounting bracket 1610 7 front side left side rigid coupling has outlet picture 1611.
The protective device 17 is further included, the protective device 17 comprises a special-shaped plate 171, a protective net 172, fastening bolts 174 and bristles 177, the special-shaped plate 171 is arranged on a sliding sleeve 1210 below the protective device, the protective net 172 is embedded in the left portion of the special-shaped plate 171, through holes 173 are formed in the left side of the special-shaped plate 171, screw holes 175 are formed in the left side of the sliding sleeve 1210 below the protective device, the fastening bolts 174 are arranged in the screw holes 175, the fastening bolts 174 penetrate through the through holes 173, a groove 176 is formed in the right side of the special-shaped plate 171, the bristles 177 are connected.
The automatic release device 18 is further included, the automatic release device 18 comprises a pull rod 181, an electric push rod 182 and a push block 183, the pull rod 181 is fixedly connected to the bottom end of the pawl 128, the pull rod 181 is connected with the pawl 128 in a welding connection mode, the electric push rod 182 is installed on the left side in the protection box 1215, the push block 183 is connected to the right end of the push rod of the electric push rod 182, the push block 183 is in contact with the pull rod 181, and the electric push rod 182 is connected with the control module through a peripheral circuit.
The control box 11 comprises a GPRS wireless remote control switch circuit breaker, a switch power supply, a power supply module, a control module and three ultrasonic Doppler flow meter hosts, wherein the GPRS wireless remote control switch circuit breaker is connected with the switch power supply through a circuit, the output end of the switch power supply is connected with the power supply module through a circuit, the power supply module is connected with the control module through a circuit, the power supply module is connected with a power supply main switch through a circuit, and the switch power supply can supply power to the equipment; the control module is connected with a 24C02 circuit and a DS1302 circuit, the 24C02 circuit is used for storing parameters, the set parameters are stored in the 24C02 circuit, relevant parameters are called out during work, the DS1302 circuit provides a time reference, timing can be carried out, and the leap year compensation function is achieved; the alarm 8, the LED display screen 9 and the distance sensor 127 are all connected with the control module through lines; the electric push rod 182 and the control module are connected through a peripheral circuit.
The staff is with this equipment power-on, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 begin work, first ultrasonic wave Doppler flowmeter sensor 13, second ultrasonic wave Doppler flowmeter sensor 14 and third ultrasonic wave Doppler flowmeter sensor 15 can detect the velocity of flow of sewer pipe water-logging, and on data transmission to the ultrasonic wave Doppler flowmeter host computer that will detect out, then on transmitting the backstage server through GPRS, the staff can obtain relevant data through the backstage server, then calculate the water level in the sewer pipe. When the water level in the water pipeline reaches the warning water level, the staff transmits a signal to the control module through the mobile phone, the control module receives the signal and then controls the alarm 8 to give an alarm, the water level in the sewer pipeline of the motor vehicle lane 1 road section is reminded to people and is warned, water can overflow, accumulated water on the road surface is caused, attention needs to be paid, meanwhile, the control module controls the LED display screen 9 to work, the LED display screen 9 displays warning slogans and the water level in the sewer pipeline, therefore, people can be effectively reminded, and the passage of people is not influenced. When the water level in the water pipeline is lower than the warning water level, a worker transmits a signal to the control module through the mobile phone, the control module receives the signal and then controls the alarm 8 to stop giving an alarm, and meanwhile, the control module controls the LED display screen 9 to stop working. The burial prevention device 12 can prevent the first ultrasonic doppler flow meter sensor 13, the second ultrasonic doppler flow meter sensor 14, and the third ultrasonic doppler flow meter sensor 15 from being buried by sludge, so that it can prevent detected data from being inaccurate.
When the device is powered on, the control module controls the distance sensor 127 to work, the distance sensor 127 can detect the distance between the limiting plate 1212 and the distance sensor 127, and transmits the detected data to the ultrasonic Doppler flow meter host, and then transmits the data to the background server through GPRS. When the automobile touches the contact block 123, the contact block 123 moves downwards, so as to drive the guide rod 122 to move downwards, so as to drive the pawl 128 to move downwards, if there is sludge at the bottom of the mounting plate 1217, the mounting plate 1217 cannot move downwards, so that the rack 1214 cannot move downwards, under the action of the elastic sheet 129, the pawl 128 slides on the rack 1214, at this time, the spring 125 is compressed, if there is no sludge at the bottom of the mounting plate 1217, under the action of the gravity of the mounting plate 1217, the mounting plate 1217 moves downwards, the first ultrasonic doppler flow meter sensor 13, the second ultrasonic doppler flow meter sensor 14 and the third ultrasonic doppler flow meter sensor 15 move downwards, and the mounting plate 1217 also can drive the sliding rod 1211 to move downwards, so as to drive the limiting plate 1212 to move downwards. When the automobile passes over the contact block 123, under the action of the spring 125, the contact block 123 moves upwards, and the first ultrasonic doppler flow meter sensor 13, the second ultrasonic doppler flow meter sensor 14 and the third ultrasonic doppler flow meter sensor 15 move upwards along with the contact block 123, so that the first ultrasonic doppler flow meter sensor 13, the second ultrasonic doppler flow meter sensor 14 and the third ultrasonic doppler flow meter sensor 15 can be prevented from being buried by sludge. When the outside water flows into the protective case 1215, the water is discharged through the drain hole 1216. When the distance detected by the distance sensor 127 reaches the minimum rated value in the control module, the distance sensor 127 sends a signal to display distance data on the LED display screen 9, so as to remind a worker that the mounting plate 1217 is about to move out of the water, the worker can dial the lower part of the pawl 128 rightwards to enable the upper part of the pawl 128 to swing leftwards, the elastic sheet 129 is squeezed, when the upper part of the pawl 128 swings leftwards and is not in contact with the rack 1214, the sliding rod 1211 moves downwards under the action of the gravity of the sliding rod 1211, the mounting plate 1217 and the limiting plate 1212 move downwards, and when the distance detected by the distance sensor 127 reaches the maximum rated value in the control module, the distance sensor 127 sends a signal to enable the LED display screen 9 not to display the distance data. When the limiting plate 1212 moves downwards to the initial position, the worker releases the pawl 128, and the upper portion of the pawl 128 swings to the right under the action of the spring piece 129 to be matched with the rack 1214.
When the water level in the sewer pipe rises and contacts with the floating box 163, water pushes the floating box 163 to move upwards, thereby driving the first guide rail 161 to move upwards, and then driving the first piston 1612 to move upwards, drive the second piston 1613 to move upwards through hydraulic oil, thereby driving the second guide rail 168 to move upwards, the indicator plate 1610 moves upwards accordingly, when the water level in the sewer pipe falls, under the effect of the gravity of the floating box 163, the floating box 163 moves downwards, thereby driving the first piston 1612 to move downwards, drive the second piston 1613 to move downwards through hydraulic oil, and then drive the indicator plate 1610 to move downwards, people can know the water level in the sewer pipe by observing the position of the water outlet picture 1611 pointed by the indicator plate 1610, thereby people can remind people whether the water level in the sewer pipe rises constantly.
The bristles 177 clean the sliding rod 1211 to keep the sliding rod 1211 clean, so as to prevent impurities from entering the sliding sleeve 1210 below and causing the sliding rod 1211 to move inconveniently, and the protection net 172 prevents impurities from entering the protection box 1215 through the drainage hole 1216. When the protective net 172 needs to be cleaned, a worker unscrews the fastening bolts 174 and then takes off the special-shaped plate 171, so that the protective net 172 can be cleaned. After cleaning, the worker replaces the special-shaped plate 171, and then tightens the fastening bolt 174 to fix the special-shaped plate 171.
When the distance detected by the distance sensor 127 reaches the minimum rated value in the control module, the distance sensor 127 sends a signal, the control module receives the signal and controls the electric push rod 182 to extend for 4 seconds, the electric push rod 182 drives the push block 183 to move rightwards, the push block 183 pushes the pull rod 181 to swing rightwards, thereby causing the pawl 128 to rotate counterclockwise, the spring 129 is compressed, and when the pawl 128 rotates counterclockwise and is not in contact with the rack 1214, under the action of the gravity of the sliding rod 1211 itself, the sliding rod 1211 moves downwards, the mounting plate 1217 and the limiting plate 1212 move downwards, 4 seconds later, after the electric push rod 182 stays for 1 minute and is shortened for 4 seconds, after 1 minute, the electric push rod 182 is shortened for 4 seconds, the electric push rod 182 drives the push block 183 to move leftwards, under the action of the spring 129, the pawl 128 rotates clockwise, and after 4 seconds, the electric push rod 182 stops shortening, and at the moment, the pawl 128 is matched with the rack 1214. Therefore, manual operation can be greatly reduced, and workers can feel easier.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an urban sewer line water level alarm equipment, including bottom plate (6), mounting bracket (7), alarm (8), LED display screen (9) and flashing board (10), bottom plate (6) top rigid coupling has mounting bracket (7), alarm (8) are installed on mounting bracket (7) right side upper portion, LED display screen (9) are installed at mounting bracket (7) top, LED display screen (9) top is equipped with flashing board (10), a serial communication port, still including control box (11), prevent burying device (12), first ultrasonic wave Doppler flowmeter sensor (13), second ultrasonic wave Doppler flowmeter sensor (14) and third ultrasonic wave Doppler flowmeter sensor (15), mounting bracket (7) lower part rigid coupling has control box (11), include GPRS wireless remote control switch circuit breaker in control box (11), switching power supply, power module, The intelligent anti-burying device comprises a control module, three ultrasonic Doppler flowmeter hosts, a GPRS wireless remote control switch circuit breaker and a switching power supply, wherein the GPRS wireless remote control switch circuit breaker is connected with the switching power supply through a line, the output end of the switching power supply is connected with a power supply module through a line, the power supply module is connected with a power supply main switch through a line, an anti-burying device (12) is arranged in a drain pipe (4), a first ultrasonic Doppler flowmeter sensor (13), a second ultrasonic Doppler flowmeter sensor (14) and a third ultrasonic Doppler flowmeter sensor (15) are arranged on the anti-burying device (12), the first ultrasonic Doppler flowmeter sensor (13), the second ultrasonic Doppler flowmeter sensor (14) and the third ultrasonic Doppler flowmeter sensor (15) are respectively connected with the three ultrasonic Doppler flowmeter hosts through lines, an alarm (8) and an LED display screen (9) are connected with the control module through lines, and the anti-burying device ( Comprises a conduit (121), a guide rod (122), a contact block (123), a dustproof ring (124), a spring (125), a protective plate (126), a distance sensor (127), a pawl (128), an elastic sheet (129), a sliding sleeve (1210), a sliding rod (1211), a limiting plate (1212), a rack (1214), a protective box (1215) and a mounting plate (1217), wherein the conduit (121) is installed on the left side in a drain pipe (4), the guide rod (122) is arranged in the conduit (121), the contact block (123) is fixedly connected at the top end of the guide rod (122), the spring (125) is wound on the guide rod (122), one end of the spring (125) is connected with the contact block (123), the other end of the spring (125) is connected with the conduit (121), the dustproof ring (124) is connected on a well lid (5) in an embedded manner, the contact block (123) is positioned in the dustproof ring (124), the protective plate (126) and, distance sensor (127) is located protection shield (126), guide arm (122) bottom rotary type is connected with pawl (128), be connected with shell fragment (129) between pawl (128) and guide arm (122), pipe (121) sub-unit connection has protection case (1215), protection case (1215) bottom is opened has wash port (1216), embedded sliding sleeve (1210) of playing the guide effect of installing in protection case (1215) top right side, sliding sleeve (1210) is also installed to protection case (1215) bottom right side in an embedded manner, two sliding sleeve (1210) internal sliding type are equipped with slide bar (1211), limiting plate (1212) are connected at slide bar (1211) top, slide bar (1211) left side is opened has bar groove (1213), bar groove (1213) inboard rigid coupling has rack (1214), rack (1214) and pawl (128) cooperation, slide bar (1211) bottom rigid coupling has mounting panel (1217), first ultrasonic wave doppler flowmeter sensor (13), The second ultrasonic Doppler flow meter sensor (14) and the third ultrasonic Doppler flow meter sensor (15) are arranged on the mounting plate (1217), and the distance sensor (127) is connected with the control module through a line.
2. The urban sewer pipe water level alarm device according to claim 1, further comprising a real-time prompting device (16), wherein the real-time prompting device (16) comprises a first guide rail (161), a first guide sleeve (162), a buoyancy tank (163), a first hydraulic cylinder (164), a protection pipe (165), a hydraulic pipe (166), a second hydraulic cylinder (167), a second guide rail (168), a second guide sleeve (169), an indicator plate (1610), a drain opening picture (1611), a first piston (1612) and a second piston (1613), the first guide sleeve (162) and the first hydraulic cylinder (164) are fixedly connected to the right side in the drain pipe (4), the first hydraulic cylinder (164) is located above the first guide sleeve (162), the first guide rail (161) is arranged in the first guide sleeve (162) and is in a u-shaped shape, the buoyancy tank (163) is connected to the first guide rail (161), and the first guide rail (161) passes through the bottom of the first hydraulic cylinder (164), a first piston (1612) is arranged in the first hydraulic cylinder (164), the bottom of the first piston (1612) is connected with a first guide rail (161), a second guide sleeve (169) and a second hydraulic cylinder (167) are fixedly connected to the right part of the front side of the mounting frame (7), the second guide sleeve (169) is positioned above the second hydraulic cylinder (167), a protection pipe (165) and a hydraulic pipe (166) are connected between the second hydraulic cylinder (167) and the first hydraulic cylinder (164), the hydraulic pipe (166) is positioned in the protection pipe (165), a second piston (1613) is arranged in the second hydraulic cylinder (167), hydraulic oil is arranged in the first hydraulic cylinder (164), the hydraulic pipe (166) and the second hydraulic cylinder (167), a second guide rail (168) is fixedly connected to the top of the second piston (1613), the second guide rail (168) penetrates through the top of the second hydraulic cylinder (167), the second guide rail (168) is positioned in the second guide sleeve (169), and an indicating plate (1610) is connected to the upper part of the left side of the second guide rail (168, a water outlet picture (1611) is fixedly connected to the left side of the front side of the mounting frame (7).
3. The urban sewer pipe water level alarm device according to claim 2, further comprising a protection device (17), wherein the protection device (17) comprises a special-shaped plate (171), a protective net (172), a fastening bolt (174) and bristles (177), the special-shaped plate (171) is arranged on a sliding sleeve (1210) below the protection device, the protective net (172) is embedded in the left portion of the special-shaped plate (171), a through hole (173) is formed in the left side of the special-shaped plate (171), a screw hole (175) is formed in the left side of the sliding sleeve (1210) below the protection device, the fastening bolt (174) is arranged in the screw hole (175), the fastening bolt (174) penetrates through the through hole (173), a groove (176) is formed in the right side of the special-shaped plate (171), the bristles (177) are connected to the inner side of.
4. The urban sewer pipe water level alarm device according to claim 3, further comprising an automatic release device (18), wherein the automatic release device (18) comprises a pull rod (181), an electric push rod (182) and a push block (183), the pull rod (181) is fixedly connected to the bottom end of the pawl (128), the electric push rod (182) is installed on the left side in the protection box (1215), the push block (183) is connected to the right end of the push rod of the electric push rod (182), the push block (183) is in contact with the pull rod (181), and the electric push rod (182) is connected with the control module through a peripheral circuit.
5. The urban sewer line water level alarm device according to claim 4, wherein the control box (11) comprises a GPRS wireless remote control switch circuit breaker, a switching power supply, a power supply module, a control module and three ultrasonic Doppler flowmeter hosts, the GPRS wireless remote control switch circuit breaker is connected with the switching power supply through a circuit, the output end of the switching power supply is connected with the power supply module through a circuit, the power supply module is connected with the control module through a circuit, the power supply module is connected with a power main switch through a circuit, and the switching power supply can supply power to the device; the control module is connected with a 24C02 circuit and a DS1302 circuit, the 24C02 circuit is used for storing parameters, the set parameters are stored in the 24C02 circuit, relevant parameters are called out during work, the DS1302 circuit provides a time reference, timing can be carried out, and the leap year compensation function is achieved; the alarm (8), the LED display screen (9) and the distance sensor (127) are all connected with the control module through lines; the electric push rod (182) is connected with the control module through a peripheral circuit.
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| CN112037466B (en) * | 2020-09-11 | 2021-09-24 | 郑州电力高等专科学校 | Automatic metering alarm device for packing water outlet box of phase modulator |
| CN114543911B (en) * | 2022-01-11 | 2023-07-04 | 无锡沃环仪表科技有限公司 | Doppler flowmeter |
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