CN214334108U

CN214334108U - Water pressure detection device

Info

Publication number: CN214334108U
Application number: CN202120748451.9U
Authority: CN
Inventors: 蒋超; 黄林涛; 蒋骏杰; 吴晔; 顾万建
Original assignee: Jiangsu Jinhuan Technology Co ltd
Current assignee: Jiangsu Jinhuan Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-10-01
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a water pressure detection device, including well accuse module, power module, the PLC module, pressure sensor and ethernet switch, well accuse module carries out the LAN with the PLC module through the ethernet switch and is connected, power module supplies power for whole equipment, pressure sensor and PLC module electric connection, pressure sensor is by the inlet tube, pressure boost pipe and outlet pipe are constituteed, the up end of inlet tube is provided with the pressure-measuring pipe, sliding connection has the buoy in the pressure-measuring pipe, the side end face of pressure-measuring pipe is provided with the high voltage terminal, the both sides lower extreme of pressure-measuring pipe is provided with the low pressure terminal. The utility model discloses a set up sliding connection's buoy in pressure sensor, through buoy and the cooperation of electrically conductive copper sheet, make equipment only when water pressure is too high or water pressure is low excessively, just switch on the power of PLC module, greatly reduced the energy consumption of equipment, avoid equipment long-time operation to cause equipment ageing too fast simultaneously, promoted the life of equipment.

Description

Water pressure detection device

Technical Field

The utility model belongs to the technical field of water pressure detection, specifically be water pressure detection device.

Background

Need monitor cistern water pressure or pipeline water pressure in the factory production and processing process, according to the water pressure size regulating valve size that obtains that detects to control water pressure, present water pressure detection device monitors water pressure twenty-four hours and adjusts, when leading to water pressure stable, equipment still circular telegram operation, has caused the waste of the energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water pressure detection device to solve among the prior art water pressure detection device problem of the extravagant energy of long-time circular telegram of control system and equipment.

In order to achieve the above object, the utility model provides a following technical scheme: water pressure detection device, including well accuse module, power module, PLC module, pressure sensor and ethernet switch, well accuse module carries out the LAN with the PLC module through the ethernet switch and is connected, power module supplies power for whole equipment, pressure sensor and PLC module electric connection, pressure sensor comprises inlet tube, pressure boost pipe and outlet pipe, the up end of inlet tube is provided with the pressure-measuring pipe, sliding connection has the buoy in the pressure-measuring pipe, the side end face of pressure-measuring pipe is provided with high-pressure terminal, the both sides lower extreme of pressure-measuring pipe is provided with the low pressure terminal.

Preferably, the diameter of the water inlet pipe is equal to that of the water outlet pipe, the diameter of the pressure increasing pipe is smaller than that of the water inlet pipe and that of the water outlet pipe, and when water flows to the pressure increasing pipe from the water inlet pipe, the diameter of the pipeline is suddenly reduced, so that the pressure of the water inlet pipe is increased, the buoy is pushed upwards, and the current water pressure is judged according to the position of the buoy.

Preferably, the lower end of the piezometer tube is provided with an exhaust hole, and the exhaust hole ensures that air at the upper end of the buoy can be exhausted in the rising process of the buoy, so that the sliding smoothness of the buoy is ensured.

Preferably, the lower end of the buoy is provided with a sealing plug, the sealing plug is connected with the lower end face of the pressure measuring pipe in a sliding and sealing mode, and the sealing plug improves the sealing performance of the pressure measuring pipe.

Preferably, the interior terminal surface top and the bottom of pressure-measuring pipe have inlayed electrically conductive copper sheet, electrically conductive copper sheet respectively with high-voltage terminal and low pressure terminal connection of electric lines, the buoy adopts the copper sheet to make, high-voltage terminal and low pressure terminal establish ties with PLC's high-pressure processing module and low pressure processing module respectively, when inlet tube internal pressure is too big, the buoy floats to high-voltage terminal department, makes two high-voltage terminal electric connection to switch on the high-voltage processing module power of PLC module, when inlet tube pressure is too little, the buoy falls to low pressure terminal department, thereby the low pressure processing module power of switch on PLC module.

Preferably, the power module, the PLC module and the pressure sensor are connected in series, so that power is supplied to the PLC module only when pressure adjustment is needed, and energy consumption of equipment is greatly reduced.

Preferably, the lower end surface of the pressure measuring pipe is lower than the top height of the inner end surface of the water inlet pipe, when the water pressure in the pressure measuring pipe is insufficient, the buoy falls to the bottom, and the lower end surface is lower, so that the detection range can be improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up sliding connection's buoy in pressure sensor, through buoy and the cooperation of electrically conductive copper sheet, make equipment only when water pressure is too high or water pressure is low excessively, just switch on the power of PLC module, greatly reduced the energy consumption of equipment, avoid equipment long-time operation to cause equipment ageing too fast simultaneously, promoted the life of equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of a pressure sensor of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is the connection circuit diagram of the power module, the PLC module and the pressure sensor of the present invention.

In the figure: the system comprises a central control module 1, a power supply module 2, a PLC module 3, an Ethernet switch 4, a pressure sensor 5, a water inlet pipe 51, a pressure increasing pipe 52, a water outlet pipe 53, a pressure measuring pipe 54, a 541 exhaust hole, a 542 high-voltage wiring terminal, a 543 low-voltage wiring terminal, a 545 conductive copper sheet, a 55 buoy and a 551 sealing plug.

Detailed Description

Please refer to fig. 1 and fig. 2, the water pressure detecting device, including central control module 1, power module 2, PLC module 3, pressure sensor 5 and ethernet switch 4, central control module 1 and PLC module 3 carry out the local area network through ethernet switch 4 and are connected, power module 2 supplies power for whole equipment, pressure sensor 5 and PLC module 3 electric connection, pressure sensor 5 comprises inlet tube 51, pressure increasing pipe 52 and outlet pipe 53, pressure-measuring pipe 54 has been welded to the up end of inlet tube 51, sliding connection has buoy 55 in pressure-measuring pipe 54, the side end face welding of pressure-measuring pipe 54 has high-pressure terminal 542, the both sides lower extreme welding of pressure-measuring pipe 54 has low-voltage terminal 543.

Referring to fig. 2, the diameter of the inlet pipe 51 is equal to that of the outlet pipe 53, the diameter of the pressure increasing pipe 52 is smaller than that of the inlet pipe 51 and the outlet pipe 53, when water flows from the inlet pipe 51 to the pressure increasing pipe 52, the pressure of the inlet pipe 51 increases due to the sudden decrease of the pipe diameter, so that the buoy 55 is pushed upwards, and the current water pressure is determined according to the position of the buoy 55.

Referring to fig. 3, the lower end of the pressure-measuring tube 54 is provided with an exhaust hole 541, the exhaust hole 541 ensures that air at the upper end of the float 55 can be exhausted in the rising process of the float 55, so as to ensure the smoothness of sliding, the lower end of the float 55 is welded with a sealing plug 551, the sealing plug 551 is in sliding and sealing connection with the lower end face of the pressure-measuring tube 54, the sealing plug 551 improves the sealing performance of the pressure-measuring tube 54, the lower end face of the pressure-measuring tube 54 is lower than the top height of the inner end face of the water inlet tube 51, when the water pressure in the pressure-measuring tube 54 is insufficient, the float 55 falls to the bottom, and the lower end face can improve the detection range.

Referring to fig. 3 and 4, conductive copper sheets 545 are embedded at the top and bottom of the inner end surface of the pressure measuring tube 54, the conductive copper sheets 545 are respectively connected with the high voltage terminal 542 and the low voltage terminal 543 through wires, the buoy 55 is made of copper sheets, the high voltage terminal 542 and the low voltage terminal 543 are respectively connected with the high voltage processing module and the low voltage processing module of the PLC in series, when the pressure in the inlet pipe 51 is too high, the buoy 55 floats to the high voltage binding post 542, so that the two high voltage binding posts 542 are electrically connected, thereby connecting the power supply of the high pressure processing module of the PLC module 3, when the pressure of the water inlet pipe 51 is too small, the buoy 55 falls to the low pressure binding post 543, therefore, a low-voltage processing module power supply of the PLC module 3 is switched on, the power supply module 2, the PLC module 3 and the pressure sensor 5 are connected in series, and the PLC module 3 is supplied with power only when pressure adjustment is needed, so that the energy consumption of equipment is greatly reduced.

The working principle of the scheme is as follows: the utility model discloses when using, link to each other pressure sensor 5 with the pipeline, when pipeline internal pressure is great, buoy 55 come-up makes electric connection between the high-pressure terminal 542 to switch on PLC module 3's high-pressure processing module power, adjusting valve reduces pipeline pressure, and when pipeline pressure is less, buoy 55 falls back, switches on low pressure terminal 543, thereby switches on PLC module 3's low pressure processing module power, and adjusting valve carries out the pressure boost, with lift pipeline internal water flow.

Claims

1. Water pressure detection device, including well accuse module (1), power module (2), PLC module (3), pressure sensor (5) and ethernet switch (4), its characterized in that: well accuse module (1) carries out the LAN with PLC module (3) through ethernet switch (4) and is connected, power module (2) supplies power for whole equipment, pressure sensor (5) and PLC module (3) electric connection, pressure sensor (5) comprise inlet tube (51), pressure boost pipe (52) and outlet pipe (53), the up end of inlet tube (51) is provided with pressure-measuring pipe (54), sliding connection has buoy (55) in pressure-measuring pipe (54), the side end face of pressure-measuring pipe (54) is provided with high-voltage terminal (542), the both sides lower extreme of pressure-measuring pipe (54) is provided with low pressure terminal (543).

2. The water pressure detecting apparatus according to claim 1, wherein: the diameter of the water inlet pipe (51) is equal to that of the water outlet pipe (53), and the diameter of the pressure increasing pipe (52) is smaller than that of the water inlet pipe (51) and the water outlet pipe (53).

3. The water pressure detecting apparatus according to claim 1, wherein: and the lower end of the pressure measuring pipe (54) is provided with an exhaust hole (541).

4. The water pressure detecting apparatus according to claim 1, wherein: the lower end of the buoy (55) is provided with a sealing plug (551), and the sealing plug (551) is connected with the lower end face of the pressure measuring pipe (54) in a sliding and sealing mode.

5. The water pressure detecting apparatus according to claim 1, wherein: conductive copper sheets (545) are embedded at the top and the bottom of the inner end face of the pressure measuring pipe (54), the conductive copper sheets (545) are respectively in wire connection with a high-voltage wiring terminal (542) and a low-voltage wiring terminal (543), and the buoy (55) is made of copper sheets.

6. The water pressure detecting apparatus according to claim 1, wherein: the power module (2), the PLC module (3) and the pressure sensor (5) are connected in series.

7. The water pressure detecting apparatus according to claim 1, wherein: the lower end surface of the pressure measuring pipe (54) is lower than the top height of the inner end surface of the water inlet pipe (51).