CN217813787U - Automatic switching device of circulating water pump - Google Patents

Automatic switching device of circulating water pump Download PDF

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Publication number
CN217813787U
CN217813787U CN202221398459.8U CN202221398459U CN217813787U CN 217813787 U CN217813787 U CN 217813787U CN 202221398459 U CN202221398459 U CN 202221398459U CN 217813787 U CN217813787 U CN 217813787U
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water pump
circulating
water
controller
standby
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CN202221398459.8U
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Chinese (zh)
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陈水扬
喻炳文
李琳
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Fujian Changcheng Huaxing Glass Co ltd
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Fujian Changcheng Huaxing Glass Co ltd
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Abstract

The utility model provides a circulating water pump's automatic switching control equipment, include: the circulating driving assembly comprises a water pump, a hydraulic sensor, a one-way valve and a conveying pipeline, wherein a water outlet of the water pump is communicated with the conveying pipeline, the hydraulic sensor and the one-way valve are both arranged on the conveying pipeline, and the hydraulic sensor is positioned between the water pump and the one-way valve; the number of the circulating driving assemblies is multiple, one of the circulating driving assemblies is used as a standby circulating driving assembly, and the rest of the circulating driving assemblies are used as common circulating driving assemblies; and the water pump switching assembly comprises a controller, and the controller is electrically connected with the hydraulic sensor and the water pump of the standby circulating driving assembly. The utility model has the advantages that: when the hydraulic pressure sensor detects that the water pressure flowing out of the water pump of the common circulating assembly is abnormally reduced, the controller judges that the common water pump breaks down, the standby water pump can be automatically started, and the switching efficiency is high.

Description

Automatic switching device of circulating water pump
Technical Field
The utility model relates to an air compressor machine cooling cycle equipment specifically relates to a circulating water pump's automatic switching control equipment.
Background
An air compressor, also called an air compressor, is an apparatus for compressing air. Because the air produces high temperature after the compression, so the air compressor machine is provided with cooling system for reduce the temperature of unit. For a water-cooled cooling system, a cooling tower and a water tank are mainly combined and driven by a water pump in a circulating mode. The water in the water tank flows to the water pump, then flows into the air compressor, is changed into hot water after being subjected to heat exchange with the air compressor, then flows into the cooling tower, is changed into cold water after being cooled by the cooling tower, and finally flows to the water tank.
When the water pump broke down, the unable circulation of water flows or the speed that rivers flow slows down, and the flow of air compressor machine pipeline water diminishes, and the water that flows from the delivery port of air compressor machine lasts the temperature on the high side, and the heat that the air compressor machine during operation produced can not in time distribute, and the air compressor machine is in high temperature operating condition, causes the air compressor machine to damage easily. In the prior art, in order to improve the flow of water in a pipeline of an air compressor, improve the speed and stability of water circulation flow and consider that the volume of a water pump body is not too large, a plurality of water pumps connected in parallel are adopted to drive the water to circularly flow; when one of the water pumps commonly used breaks down, the spare water pump is manually started by a worker, the efficiency of switching the water pump is low, and because the worker detects that the water pump with the fault has delay, when the spare water pump is not switched in time, the time length of the air compressor in a high-temperature working state can be increased, and the service life of the air compressor is shortened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a circulating water pump's automatic switching control equipment, when water pump commonly used breaks down, can start reserve water pump automatically.
The utility model discloses a realize like this: an automatic switching apparatus of a circulating water pump, comprising:
the circulating driving assembly comprises a water pump, a hydraulic sensor, a one-way valve and a conveying pipeline, wherein a water outlet of the water pump is communicated with the conveying pipeline, the hydraulic sensor and the one-way valve are both arranged on the conveying pipeline, and the hydraulic sensor is positioned between the water pump and the one-way valve;
the number of the circulating driving assemblies is multiple, one of the circulating driving assemblies is used as a standby circulating driving assembly, and the rest of the circulating driving assemblies are used as common circulating driving assemblies;
and the water pump switching assembly comprises a controller, and the controller is electrically connected with the hydraulic sensor and is also electrically connected with the water pump of the standby circulating driving assembly.
Furthermore, the water pump switching assembly further comprises indicator lights, the indicator lights correspond to the circulating driving assemblies one by one, and the indicator lights are electrically connected with the controller.
Furthermore, the water pump switching assembly further comprises a power distribution cabinet and a relay, the power distribution cabinet is electrically connected with the water pump of the common circulating driving assembly and the first contact wiring end of the relay, the second contact wiring end of the relay is electrically connected with the water pump of the standby circulating driving assembly, and the control wiring end of the relay is electrically connected with the controller.
Further, the water pump switching assembly further comprises a display, and the display is electrically connected with the controller.
Further, the water pump switching assembly further comprises an alarm, and the alarm is electrically connected with the controller.
Further, the circulation driving assembly further comprises a manual ball valve, and the manual ball valve is installed at a water inlet of the water pump.
The utility model has the advantages that: 1. when the hydraulic pressure sensor detects that the water pressure flowing out of the water pump of the common circulating assembly is abnormally reduced, the controller judges that the common water pump breaks down, the standby water pump can be automatically started, and the switching efficiency is high. 2. When the water pressure flowing out of the water pump is abnormally reduced, the corresponding indicator light is turned on, and the condition of the water pump is conveniently and rapidly confirmed by a worker. 3. The display is used for showing each hydraulic sensor's detection numerical value, and the staff of being convenient for knows the water pressure condition. 4. When the water pump of the standby circulating assembly fails or fails to start, the alarm gives out alarm sound to remind workers.
Drawings
The present invention will be further described with reference to the following examples and drawings.
Fig. 1 is a schematic structural view of an automatic switching device of a circulating water pump according to the present invention.
Fig. 2 is the utility model discloses well circulation drive assembly and air compressor machine, cooling tower, water tank's connection schematic diagram.
Fig. 3 is a schematic diagram of the connection between the controller and the circulation driving assembly according to the present invention.
Reference numerals are as follows:
a circulating drive assembly 1; a water pump 11; a hydraulic pressure sensor 12; a first hydraulic pressure sensor 121; a second hydraulic pressure sensor 122; a third hydraulic pressure sensor 123; a backup hydraulic pressure sensor 124; a check valve 13; a delivery duct 14; a manual ball valve 15; a first common cycle drive assembly 16; a second common cycle drive assembly 17; a third common cyclical drive assembly 18; a standby circulation drive assembly 19;
an air compressor 2; a first conveyance pipe 21; a second delivery duct 22; a cooling tower 3; a water tank 4;
a water pump switching assembly 5; a controller 51; an indicator lamp 52; a first indicator lamp 521; a second indicator light 522; a third indicator light 523; a standby indicator light 524; a power distribution cabinet 53; a relay 54; a display 55; an alarm 56.
Detailed Description
The embodiment of the utility model provides a through providing a circulating water pump's automatic switching control equipment, solved among the prior art when the water pump commonly used breaks down, through the shortcoming of staff's manual start reserve water pump, realized when the water pump commonly used breaks down, can start reserve water pump automatically, switch efficient technological effect.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned shortcoming, the general thinking is as follows: the hydraulic pressure sensor detects the water pressure of the water outlet of the water pump, the hydraulic pressure sensor sends a detected water pressure signal to the controller, and the controller compares the detected water pressure with a preset water pressure threshold value. When the water pump of the common circulating driving assembly works, the water pressure of the water outlet of the water pump is normal; when the water pump of the common circular driving assembly breaks down, the water pressure at the water outlet of the water pump is reduced abnormally, the controller judges that the water pump breaks down, the water pump of the standby circular driving assembly is automatically controlled and started, and the switching efficiency is high.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Referring to fig. 1 to 3, a preferred embodiment of the present invention.
An automatic switching apparatus of a circulating water pump, comprising: the circulation driving assembly 1 comprises a water pump 11, a hydraulic sensor 12, a one-way valve 13 and a conveying pipeline 14, wherein a water outlet of the water pump 11 is communicated with the conveying pipeline 14, the hydraulic sensor 12 and the one-way valve 13 are both arranged on the conveying pipeline 14, and the hydraulic sensor 12 is positioned between the water pump 11 and the one-way valve 13; the water inlet of water pump 11 communicates with the delivery port of water tank 4, and the water inlet of water tank 4 communicates with the water inlet of cooling tower 3, and the water inlet and the first pipeline intercommunication of air compressor machine 2, the delivery port and the second pipeline 22 intercommunication of air compressor machine 2, first pipeline still with the pipeline intercommunication of circulation drive assembly 1, second pipeline 22 still with the water inlet intercommunication of cooling tower 3. Driven by the water pump 11, the water flows circularly to dissipate heat of the air compressor 2. The hydraulic sensor 12 detects the water pressure at the water outlet of the water pump 11; when the water pump 11 malfunctions, the driving force of the water pump 11 decreases and the water pressure decreases. The check valve 13 prevents the water of the first delivery pipe from flowing backward to the position of the hydraulic sensor 12, so that the hydraulic sensor 12 can more accurately detect the water pressure at the water outlet of the water pump 11 when the water pump 11 malfunctions.
The circulation driving assembly 1 further comprises a manual ball valve 15, and the manual ball valve 15 is installed at a water inlet of the water pump 11. When the water pump 11 is overhauled, the manual ball valve 15 is closed, water in the water tank 4 is prevented from flowing to the water pump 11, and the water pump 11 is convenient to disassemble. When the water pump 11 is working normally, the manual ball valve 15 is in an open state.
Four circulation driving assemblies 1 are provided, wherein one circulation driving assembly serves as a standby circulation driving assembly 19, and the other circulation driving assemblies serve as common circulation driving assemblies; the other circulation driving components are respectively called a first common circulation driving component 16, a second common circulation driving component 17 and a third common circulation driving component 18.
The water pump switching assembly 5 comprises a controller 51, and the controller 51 is electrically connected with the hydraulic sensor 12 and the water pump of the standby circulation driving assembly 19. The hydraulic sensor 12 feeds a detected water pressure signal back to the controller 51, the controller 51 compares the detected water pressure of the water pump water outlet of the common circular driving assembly with a preset water pressure threshold, when the water pressure of the water pump water outlet of a certain common circular driving assembly is lower than the preset water pressure threshold, the controller 51 judges that the water pump of the common circular driving assembly fails, the controller 51 automatically controls and starts the water pump of the standby circular driving assembly 19, and the switching efficiency of the water pump is high; effectively preventing the flow of water in the pipeline of the air compressor from dropping, ensuring the water to flow circularly and stably and timely radiating the air compressor 2. The controller 51 is a prior art product.
The water pump switching assembly 5 further comprises indicator lights 52, the indicator lights 52 correspond to the circulation driving assembly 1 one by one, and the indicator lights 52 are electrically connected with the controller 51. The indicator lights 52 correspond to the number of the endless drive assemblies 1. In the embodiment, when the water pump of the circulation driving assembly 1 works, the controller 51 receives the feedback signal of the corresponding hydraulic pressure sensor 12, and controls the corresponding indicator lamp 52 to turn on green; when the water pump of the circulation driving assembly 1 is out of order, the controller 51 controls the corresponding indicator lamp 52 to light the red light. This allows the operator to more quickly confirm the condition of the water pump. When the worker regularly arrives at the water pump position for inspection, after seeing the condition of the indicator lamp 52, the worker can confirm which water pump is in failure and whether the water pump of the standby circulating driving assembly 19 is started; and repairing the water pump with the fault.
The water pump of the first common cycle driving module 16 corresponds to the first hydraulic pressure sensor 121 and the first indicator lamp 521, the water pump of the second common cycle driving module 17 corresponds to the second hydraulic pressure sensor 122 and the second indicator lamp 522, the water pump of the third common cycle driving module 18 corresponds to the third hydraulic pressure sensor 123 and the third indicator lamp 523, and the water pump of the standby cycle driving module 19 corresponds to the standby hydraulic pressure sensor 124 and the standby indicator lamp 524.
The water pump switching assembly 5 further comprises a power distribution cabinet 53 and a relay 54, the power distribution cabinet 53 is electrically connected with the water pump of the common circulating driving assembly and a first contact terminal of the relay 54, a second contact terminal of the relay 54 is electrically connected with the water pump of the standby circulating driving assembly 19, and a control terminal of the relay 54 is electrically connected with the controller 51. The power distribution cabinet 53 provides power; when the water pump of the common circulation driving assembly works normally, the first contact terminal and the second contact terminal of the relay 54 are disconnected, and the water pump of the standby circulation driving assembly 19 is in a stop state because the water pump is not electrified; when the water pump of a common circulation driving assembly fails, the controller 51 controls the first contact terminal and the second contact terminal of the relay 54 to be closed, and the water pump of the standby circulation driving assembly 19 is powered to start.
The water pump switching assembly 5 further comprises a display 55, and the display 55 is electrically connected with the controller 51. The display 55 is used for displaying the detection value of each hydraulic sensor, so that the working personnel can know the water pressure condition conveniently.
The water pump switching assembly 5 further comprises an alarm 56, and the alarm 56 is electrically connected with the controller 51. When the water pump of the standby circulation driving assembly 19 fails or fails to start, the standby hydraulic sensor 124 of the standby circulation driving assembly 19 feeds back a detected water pressure signal to the controller 51, and if the water pressure at the water outlet of the water pump of the standby circulation driving assembly 19 is lower than a preset water pressure threshold, the controller 51 judges that the water pump of the standby circulation driving assembly 19 fails, and then the alarm 56 gives an alarm to remind a worker of immediately going to maintenance.
The utility model discloses a circulating water pump's automatic switching control equipment's working method: (1) Under normal conditions, the water pump of the common circulation driving assembly works, and the water pump of the standby circulation driving assembly 19 is shut down. When one of the water pumps of the common circulating drive assembly fails, the corresponding hydraulic sensor detects the water pressure at the water outlet of the water pump and feeds the water pressure back to the controller 51, and the controller 51 controls the starting of the water pump of the standby circulating drive assembly 19, so that the speed reduction of water circulating flow is avoided, the flow reduction of water in the pipeline of the air compressor is effectively prevented, and the cooling stability of the air compressor 2 is improved. (2) When the staff regularly arrives the water pump position and checks, through pilot lamp and display, know current water pump behavior, maintain the water pump that is out of order. And starting the repaired water pump of the common circulating driving assembly, feeding a water pressure signal back to the controller 51 by a hydraulic sensor of the common circulating driving assembly, wherein the water pressure signal is not lower than a preset water pressure threshold value, and automatically controlling to shut down the water pump of the standby circulating driving assembly 19 by the controller 51. (3) If the controller 51 sends a start command to the water pump of the standby circulation driving assembly 19, but the water pressure detected by the hydraulic sensor of the standby circulation driving assembly 19 is lower than the preset water pressure threshold, which indicates that the water pump of the standby circulation driving assembly 19 is in failure, the controller 51 makes the alarm 56 give an alarm sound to remind the worker to go for maintenance immediately.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (6)

1. An automatic switching device of a circulating water pump is characterized by comprising:
the circulating driving assembly comprises a water pump, a hydraulic sensor, a one-way valve and a conveying pipeline, wherein a water outlet of the water pump is communicated with the conveying pipeline, the hydraulic sensor and the one-way valve are both arranged on the conveying pipeline, and the hydraulic sensor is positioned between the water pump and the one-way valve;
the number of the circulating driving assemblies is multiple, one of the circulating driving assemblies is used as a standby circulating driving assembly, and the rest of the circulating driving assemblies are used as common circulating driving assemblies;
and the water pump switching assembly comprises a controller, and the controller is electrically connected with the hydraulic sensor and the water pump of the standby circulating driving assembly.
2. The automatic switching device of a circulating water pump according to claim 1, wherein the water pump switching assembly further comprises indicator lights, the indicator lights correspond to the circulating drive assembly one to one, and the indicator lights are electrically connected with the controller.
3. The automatic switching device of a circulating water pump according to claim 1, wherein the water pump switching assembly further comprises a power distribution cabinet and a relay, the power distribution cabinet is electrically connected with the water pump of the common circulating driving assembly and a first contact terminal of the relay, a second contact terminal of the relay is electrically connected with the water pump of the standby circulating driving assembly, and a control terminal of the relay is electrically connected with the controller.
4. The automatic switching device of a circulating water pump according to claim 1, wherein the water pump switching assembly further comprises a display, and the display is electrically connected with the controller.
5. The automatic switching device of a circulating water pump according to claim 1, wherein the water pump switching assembly further comprises an alarm, and the alarm is electrically connected with the controller.
6. The automatic switching device of a circulating water pump according to claim 1, wherein the circulating drive assembly further comprises a manual ball valve, and the manual ball valve is mounted at a water inlet of the water pump.
CN202221398459.8U 2022-06-07 2022-06-07 Automatic switching device of circulating water pump Active CN217813787U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221398459.8U CN217813787U (en) 2022-06-07 2022-06-07 Automatic switching device of circulating water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221398459.8U CN217813787U (en) 2022-06-07 2022-06-07 Automatic switching device of circulating water pump

Publications (1)

Publication Number Publication Date
CN217813787U true CN217813787U (en) 2022-11-15

Family

ID=83989771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221398459.8U Active CN217813787U (en) 2022-06-07 2022-06-07 Automatic switching device of circulating water pump

Country Status (1)

Country Link
CN (1) CN217813787U (en)

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