CN210767007U - Water supply pressurizing equipment with water pump outlet check valve blocking detection and alarm functions - Google Patents
Water supply pressurizing equipment with water pump outlet check valve blocking detection and alarm functions Download PDFInfo
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- CN210767007U CN210767007U CN201921656966.5U CN201921656966U CN210767007U CN 210767007 U CN210767007 U CN 210767007U CN 201921656966 U CN201921656966 U CN 201921656966U CN 210767007 U CN210767007 U CN 210767007U
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Abstract
The utility model discloses a water supply pressure equipment with water pump outlet check valve card dies detection alarming function, including automatically controlled cabinet, the water supply person in charge, the water supply branch pipe, be equipped with the second water pump on the water supply person in charge, the water supply branch pipe both ends connect in second water pump both ends, are equipped with first water pump on the water supply branch pipe, be equipped with first flow detection switch on the water supply branch pipe, be equipped with second flow detection switch on the water supply person in charge, be equipped with inlet pressure changer, flowmeter, delivery pressure changer on the water supply person in charge, first flow detection switch, second flow detection switch, inlet pressure changer, flowmeter, delivery pressure changer, first water pump, second water pump all connect automatically controlled cabinet. The utility model provides a problem that water pump outlet check valve card is died can not in time discover and handle, avoid because of the extravagant and the equipment harm of the dead energy consumption that brings of check valve card.
Description
Technical Field
The utility model relates to a water supply equipment, in particular to water supply pressure equipment with water pump outlet check valve card dies detection alarming function.
Background
At present, water supply pressurization equipment mostly adopts a mode of connecting a plurality of water pumps in parallel to supply water, the water supply pressurization equipment is mutually isolated by a check valve arranged at an outlet of each water pump, when the check valve at the outlet of a water pump in a certain running state is blocked due to faults, no water supply flow is output by the loop, so that the running water pump idles, the energy consumption of the equipment is increased, and the abrasion of the water pump is also caused.
At present, the check valve arranged at the outlet of a water pump of tap water pressurized water supply equipment is mainly used for finding the blocking fault by daily routing inspection and abnormal power consumption inspection, so that timely finding and processing are difficult to achieve.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, with low costs have water pump outlet check valve card and die water supply pressure equipment who detects alarming function.
The utility model provides a technical scheme of above-mentioned problem is: a water supply pressurizing device with a water pump outlet check valve blocking detection alarm function comprises an electric control cabinet, a water supply main pipe and a water supply branch pipe, wherein the water supply main pipe extends to the top end of a building from the ground, the water inlet end of the water supply main pipe is located on the ground, a second water pump is arranged on the water supply main pipe and located on the ground, two ends of the water supply branch pipe are connected to two ends of the second water pump in parallel, a first water pump is arranged on the water supply branch pipe, a first flow detection switch is arranged on one side of the water inlet end of the first water pump on the water supply branch pipe, a second flow detection switch is arranged on one side of the water inlet end of the second water pump on the water supply main pipe, a water inlet pressure transmitter and a flowmeter are arranged on one side of the water outlet end of the second water pump on the water supply main pipe, and a water outlet pressure transmitter is, The flow meter, the water outlet pressure transmitter, the first water pump and the second water pump are all connected with an electric control cabinet.
The above-mentioned water supply pressure equipment with water pump outlet check valve card is died and is detected alarming function, automatically controlled cabinet includes central control unit, the no negative pressure control unit of intaking, play water constant voltage control unit, first motor current detecting element, second motor current detecting element, first converter, second converter, audible-visual annunciator, long-range wireless alarm unit, the signal output part of pressure transmitter that intakes connects central control unit behind the no negative pressure control unit of intaking, and the input of first motor current detecting element links to each other with first water pump, and the central control unit is connected to the output of first motor current detecting element, and the input of second motor current detecting element links to each other with the second water pump, and the central control unit is connected to the output of second motor current detecting element, first flow detection switch, second flow detection switch, flowmeter, audible-visual annunciator, The remote wireless alarm units are all connected with the central control unit, the central control unit is connected with the first water pump through the first frequency converter, and the central control unit is connected with the second water pump through the second frequency converter.
Above-mentioned water supply pressure equipment with water pump outlet check valve card is dead to detect alarming function, all be equipped with the check valve on water supply main pipe and the water supply branch pipe.
According to the water supply pressurizing equipment with the water pump outlet check valve blocking detection alarm function, the main chip of the central control unit adopts the PLC, and the model is S7-200 SMART.
Above-mentioned water supply pressure equipment with water pump outlet check valve card is died and is detected alarming function, remote wireless alarm unit's main chip model is GRM 203.
According to the water supply pressurizing equipment with the water pump outlet check valve blocking detection alarm function, the water inlet non-negative pressure control unit and the water outlet constant pressure control unit share the chip AI-7018D 5.
The beneficial effects of the utility model reside in that: the utility model discloses be equipped with flow detection switch and motor current detection unit, when the flow detection switch on the operation water pump water intake pipe detected no water current, perhaps motor current detection value that motor current detection unit detected is less than when the rated value 50%, central control unit is when starting reputation and long-range wireless warning, the operation of fault-stopping loop water pump, start another water pump operation, the guarantee normally supplies water, wait for the maintenance to handle, thereby the problem of the dead discovery of water pump outlet check valve card and handling in time has been solved, avoid because of the extravagant and equipment damage of the energy consumption that the dead brought of check valve card.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural block diagram of the electric control cabinet in fig. 1.
Fig. 3 is a circuit diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, the water supply pressurizing equipment with the water pump outlet check valve blocking detection alarm function comprises an electric control cabinet 11, a water supply main pipe and a water supply branch pipe, wherein the water supply main pipe extends from the ground to the top end of a building, the water inlet end of the water supply main pipe is positioned on the ground, a part of the water supply main pipe positioned on the ground is provided with a second water pump 4, two ends of the water supply branch pipe are connected with two ends of the second water pump 4 in parallel, the water supply branch pipe is provided with a first water pump 3, one side of the water inlet end of the first water pump 3 on the water supply branch pipe is provided with a first flow detection switch 7, one side of the water inlet end of the second water pump 4 on the water supply main pipe is provided with a second main pipe flow detection switch 8, one side of the water inlet end of the second water pump 4 on the water supply main pipe is provided with a water inlet pressure transmitter 10 and, The second flow detection switch 8, the water inlet pressure transmitter 10, the flowmeter 9, the water outlet pressure transmitter 1, the first water pump 3 and the second water pump 4 are all connected with an electric control cabinet 11. And check valves 2 are arranged on the water supply main pipe and the water supply branch pipe.
As shown in fig. 2, the electric control cabinet 11 includes a central control unit 12, a water inlet non-negative pressure control unit 13, a water outlet constant pressure control unit 14, a first motor current detection unit 5, a second motor current detection unit 6, a first frequency converter 15, a second frequency converter 16, an audible and visual alarm 17, and a remote wireless alarm unit 18, wherein a signal output end of the water inlet pressure transmitter 10 is connected to the central control unit 12 through the water inlet non-negative pressure control unit 13, and the water inlet non-negative pressure control unit 13 is used for controlling the water inlet pressure not to be lower than zero, so as to protect the water inlet pipe network from generating negative pressure. The signal output end of the water outlet pressure transmitter 1 is connected with the central control unit 12 after passing through the water outlet constant pressure control unit 14, wherein the water outlet constant pressure control unit 14 is used for controlling the water outlet pressure to be constant so as to meet the requirement of stable water pressure for users. The input end of the first motor current detection unit 5 is connected with the first water pump 3, the output end of the first motor current detection unit 5 is connected with the central control unit 12, the input end of the second motor current detection unit 6 is connected with the second water pump 4, the output end of the second motor current detection unit 6 is connected with the central control unit 12, the first flow detection switch 7, the second flow detection switch 8, the flowmeter 9, the audible and visual alarm 17 and the remote wireless alarm unit 18 are all connected with the central control unit 12, the central control unit 12 is connected with the first water pump 3 after passing through the first frequency converter 15, and the central control unit 12 is connected with the second water pump 4 after passing through the second frequency converter 16.
As shown in FIG. 3, the main chip of the central control unit 12 is a PLC with model number S7-200 SMART. The main chip model of the remote wireless alarm unit 18 is GRM 203. The water inlet non-negative pressure control unit and the water outlet constant pressure control unit 14 share a chip AI-7018D 5.
IN fig. 3, the inlet water pressure transmitter P1 is connected to the IN1 terminal of the AI dual-loop PID controller, the outlet water pressure transmitter P2 is connected to the IN2 terminal of the AI dual-loop PID controller, and the RS485(a/B) terminal of the AI dual-loop PID controller is connected to the RS485 serial terminal of the PLC. The RS485 terminal of the PLC is connected to the RS485 terminals of the first inverter EV1 and the second inverter EV 2. And an RS485 terminal of the PLC is connected with an RS485 terminal of a wireless communication alarm module (GRM 203). The U/V/W terminal of the first frequency converter EV1 is connected with the first water pump motor wiring terminal, and the U/V/W terminal of the second frequency converter EV2 is connected with the second water pump motor wiring terminal. The operation terminals FWD/COM of the first frequency converter EV1 and the second frequency converter EV2 are respectively controlled by normally open contacts of the relays KA1 and KA2, and the relay coils KA1 and KA2 are respectively connected to output ends of PLC, 0 and 2. The first motor current detection unit C1 is connected with 0+ of the analog input module EMAI04, and the second motor current detection unit C2 is connected with 1+ of the analog input module EMAI 04. The first flow rate detection switch SW1 is connected to the.4 terminal of the PLC, and the second flow rate detection switch SW2 is connected to the.5 terminal of the PLC. And the Ethernet port of the touch screen HMI is connected with the Ethernet port of the PLC to realize communication between the touch screen HMI and the PLC.
The working principle of the utility model is as follows: the utility model discloses be equipped with flow detection switch and motor current detection unit, when the flow detection switch on the operation water pump water intake pipe detected no water current, perhaps motor current detection value that motor current detection unit detected is less than when the rated value 50%, central control unit is when starting reputation and long-range wireless warning, the operation of fault-stopping loop water pump, start another water pump operation, the guarantee normally supplies water, wait for the maintenance to handle, thereby the problem of the dead discovery of water pump outlet check valve card and handling in time has been solved, avoid because of the extravagant and equipment damage of the energy consumption that the dead brought of check valve card.
Claims (6)
1. The utility model provides a water supply pressure equipment with water pump outlet check valve card is died and is detected alarming function which characterized in that: comprises an electric control cabinet, a water supply main pipe and a water supply branch pipe, wherein the water supply main pipe extends from the ground to the top end of a building, the water inlet end of the water supply main pipe is positioned on the ground, a second water pump is arranged on the part, positioned on the ground, of the water supply main pipe, two ends of the water supply branch pipe are connected with two ends of the second water pump in parallel, the water supply branch pipe is provided with a first water pump, a first flow detection switch is arranged on the water supply branch pipe and positioned at one side of the water inlet end of the first water pump, a second flow detection switch is arranged on one side of the water supply main pipe, which is positioned at the water inlet end of the second water pump, a water inlet pressure transmitter and a flowmeter are arranged on one side of the water supply main pipe, which is positioned at the water inlet end of the second water pump, a water outlet pressure transmitter is arranged on one side of the water supply main pipe, which is positioned at the water outlet end of the second water pump, the first flow detection switch, the second flow detection switch, the water inlet pressure transmitter, the flowmeter, the water outlet pressure transmitter, the first water pump and the second water pump are all connected with the electric control cabinet.
2. The water supply pressurizing apparatus having a water pump outlet check valve seizure detection alarm function according to claim 1, characterized in that: the electric control cabinet comprises a central control unit, a water inlet non-negative pressure control unit, a water outlet constant pressure control unit, a first motor current detection unit, a second motor current detection unit, a first frequency converter, a second frequency converter, an audible and visual alarm and a remote wireless alarm unit, wherein the signal output end of the water inlet pressure transmitter is connected with the central control unit after passing through the water inlet non-negative pressure control unit, the input end of the first motor current detection unit is connected with the first water pump, the output end of the first motor current detection unit is connected with the central control unit, the input end of the second motor current detection unit is connected with the second water pump, the output end of the second motor current detection unit is connected with the central control unit, the first flow detection switch, the second flow detection switch, the flow meter, the audible and visual alarm and the remote wireless alarm unit are all connected with the central control unit, and the central control unit is connected with the first water pump after passing through the, the central control unit is connected with a second water pump after passing through a second frequency converter.
3. The water supply pressurizing apparatus having a water pump outlet check valve seizure detection alarm function according to claim 2, characterized in that: and check valves are arranged on the water supply main pipe and the water supply branch pipe.
4. The water supply pressurizing apparatus having a water pump outlet check valve seizure detection alarm function according to claim 2, characterized in that: the main chip of the central control unit adopts PLC with the model number of S7-200 SMART.
5. The water supply pressurizing apparatus having a water pump outlet check valve seizure detection alarm function according to claim 2, characterized in that: the model of the main chip of the remote wireless alarm unit is GRM 203.
6. The water supply pressurizing apparatus having a water pump outlet check valve seizure detection alarm function according to claim 2, characterized in that: the water inlet pressure limiting unit and the water outlet constant pressure control unit share a chip AI-7018D 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656966.5U CN210767007U (en) | 2019-09-30 | 2019-09-30 | Water supply pressurizing equipment with water pump outlet check valve blocking detection and alarm functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656966.5U CN210767007U (en) | 2019-09-30 | 2019-09-30 | Water supply pressurizing equipment with water pump outlet check valve blocking detection and alarm functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210767007U true CN210767007U (en) | 2020-06-16 |
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ID=71060466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921656966.5U Active CN210767007U (en) | 2019-09-30 | 2019-09-30 | Water supply pressurizing equipment with water pump outlet check valve blocking detection and alarm functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210767007U (en) |
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2019
- 2019-09-30 CN CN201921656966.5U patent/CN210767007U/en active Active
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