CN210343711U - Centrifugal self-priming pump - Google Patents
Centrifugal self-priming pump Download PDFInfo
- Publication number
- CN210343711U CN210343711U CN201920406168.0U CN201920406168U CN210343711U CN 210343711 U CN210343711 U CN 210343711U CN 201920406168 U CN201920406168 U CN 201920406168U CN 210343711 U CN210343711 U CN 210343711U
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- centrifugal self
- bearing
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a centrifugal self priming pump, including shell (1), pump system (2), motor system (3), and control system (4), packaging system (5) and fastener (6), shell (1) is through packaging system (5) and fastener (6) with pump system (2), motor system (3), control system (4) encapsulation, pump system (2) and motor system (3) hub connection, control system (4) set up the inside in motor system (3). The centrifugal self-sucking pump is provided with the programmable controller, so that the programmed soft start and the time-limited closing can be realized, the motor abrasion is reduced, and the service life is prolonged; the driving controller and the motor are sealed, so that the damage of the motor and the driving controller caused by water leakage and water seepage is avoided, and the safe operation of the centrifugal self-priming pump is ensured; the centrifugal self-sucking pump is compact in layout, small in size and high in efficiency, is convenient to move and transport, guarantees convenience of later-stage maintenance, and meets market demands.
Description
Technical Field
The utility model relates to a self priming pump field especially relates to a centrifugal self priming pump and application method thereof.
Background
In the process of producing drinking water, water sources need to be conveyed, such as the water sources are conveyed to purifying and filtering equipment; water pumps are commonly used; because the purification and filtration equipment is higher in height or far away from the purification and filtration equipment, a water pump with higher lift is needed, and a light vertical multistage centrifugal pump is used; in practical use, the light vertical multistage centrifugal pump needs to be used for a long time, so that the requirement on the stability of operation is high; whether stable operation is possible depends on many factors, such as the temperature at the bearings, the balance of the impeller, the balance of the pressure, the temperature of the mechanical seal, etc.; in the traditional light vertical multistage centrifugal pump, when the temperature of a bearing and the temperature of a mechanical seal are controlled, a jacket is usually adopted or a heat dissipation rib is added, circulating cooling water needs to be introduced into the jacket, although the jacket can be well cooled, the tightness of the jacket needs to be ensured, and the structure becomes complicated; in addition, the existing centrifugal pump has large volume and is inconvenient to maintain or overhaul; the sealing performance of the water pump to the motor part is poor, the damage to the motor is easily caused, and the service life of the water pump is greatly reduced; the water pump is directly started when being started, so that the motor is seriously abraded; the pump is easy to idle when the water pressure is insufficient, and the service life of the water pump is shortened
The existing self-priming pump realizes the control of the self-priming pump through a mechanical pressure switch, when the pressure in a pipe of the water pump pressure switch reaches a set value, a motor of the water pump stops rotating, the motor is promoted to start when the pressure in the pipe is reduced, the motor is easy to damage, and the service life of the motor is obviously reduced.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned defect among the prior art, the utility model discloses a small, long service life, intelligent degree is high, efficient from inhaling formula centrifugal pump.
The utility model discloses a realize through following technical scheme:
a centrifugal self-priming pump comprises a shell 1, a pump system 2 and a motor system 3; still include control system 4, packaging system 5 and fastener 6, casing 1 passes through packaging system 5 and fastener 6 and encapsulates pump system 2, motor system 3, control system 4 inside in proper order, pump system 2 is connected with 3 axles of motor system, control system 4 sets up the inside at motor system 3.
Further, the housing 1 comprises a base 10, a water drain valve 11, a water inlet 12, a water outlet 13, a water filling port 14 and a wind shield 15; the base 10 is arranged at the lower part of the shell 1, a water drain valve 11 is arranged at the lower left corner of the shell 1, a water inlet 12 is arranged at the upper left corner, a water outlet 13 is arranged at the top of the left side of the shell 1, a water injection port 14 is arranged on one side of the water outlet 13, and the fan cover 15 is arranged on the right side of the shell 1. The water drain valve 11 is convenient for discharging the stored water in the pump in time after the pump is used up, and the problem that the pump cannot be opened due to freezing in cold weather is avoided; the water injection port 14 facilitates priming of the pump before it is turned on, avoiding idling of the pump.
Further, the pump system 2 includes a pump barrel 20, a pump bearing seat 21, a pump bearing 22, a pump main shaft 23, an impeller 24, and a bolt 25; the pump barrel 20 encapsulates the pump system 2, the pump bearing 22 is fixed inside the pump bearing seat 21, the pump main shaft 23 is connected with the inside of the pump bearing 22, the impeller 24 is connected on the pump main shaft 23, the bolt 25 is connected at the end part of the pump main shaft 23, and the hydraulic sensor 26 is arranged in the pump cavity of the lower part of the pump main shaft 23 where the impeller 24 is located. The hydraulic sensor 26 facilitates timely transmission of pressure conditions within the pump to the control system, facilitating timely adjustment of the operating conditions of the pump.
Further, the motor system 3 includes a motor barrel 30, a motor bearing seat 31, a motor bearing 32, a motor shaft 33, a rotor assembly 34, a shielding sleeve 35, and a stator assembly 36; the motor barrel 30 encloses the internal system of the motor, the motor bearing 32 is arranged on the motor bearing seat 31, the motor shaft 33 is connected with the inside of the motor bearing 32, the rotor assembly 34 is arranged around the motor shaft 33, the shielding sleeve 35 seals the rotor assembly 34 and the motor shaft 33 inside the rotor assembly, and the stator assembly 36 is arranged outside the shielding sleeve 35.
Further, the motor system 3 is an alternating-current power frequency power supply or a high-speed brushless motor with a retained power supply, and is low in noise, good in stability, low in maintenance cost and high in action efficiency.
Further, the control system 4 comprises a programmable controller, a motor control module, a relay control circuit, a communication module and a sensor module; the programmable controller is in signal connection with the motor control module, the relay control circuit, the communication module and the sensor module, and the sensor module is in signal connection with the hydraulic sensor 26. The relay control circuit can ensure the circuit safety of the whole control system; the communication module can transmit the specific working condition of the water pump to a control program or a control end, and the detection and control of the water pump data are realized. The IC type of the programmable controller is as follows: 52432-01; the IC model of the motor control module is BA 6219B; the IC type of the communication module is as follows: APC 340; the chip model of the hydraulic sensor is MPO 529; above-mentioned chip model is only the utility model discloses an optimal scheme, obviously, the utility model discloses a scheme is not limited to here, and other schemes do not do the perusal here.
The programmable controller is provided with a program control module, and the program starting and the program closing are realized according to the mode of controlling the starting or the closing of the motor by the program.
Further, a heat dissipation fan 37 is disposed outside the motor system 3, and a main shaft of the heat dissipation fan 37 is connected to the motor shaft 33.
Furthermore, a capacitance box 38 is arranged at the top of the casing 1 near the motor system 3, and the capacitance box 38 is connected with the control system 4 to supply power to the control system.
Further, the packaging system 5 comprises an epoxy resin 51 and a cylinder 52; the motor cavity between the motor barrel 30 and the rotor assembly 34 and the stator assembly 36 in the motor system 3 is encapsulated by epoxy 51; the pump cavity between the pump barrel 20 and the pump spindle 23 in the pump system 2 is enclosed by the oil cylinder 52. The sealing performance of the motor and the related parts of the pump body is improved through the encapsulation of the epoxy resin and the oil cylinder, the liquid leakage phenomenon of the pump body is avoided, and the use safety of the pump body is ensured.
Further, the fastening member 6 is a fastening screw having an O-ring disposed therein.
The utility model has the advantages that:
1) the centrifugal self-sucking pump is provided with the programmable controller, so that programmed soft start and time-limited closing can be realized, the abrasion of a motor is reduced, and the service life is prolonged;
2) the centrifugal self-priming pump seals the drive controller and the motor, so that the damage of the motor and the drive controller caused by water leakage and water seepage is avoided, and the safe operation of the centrifugal self-priming pump is ensured;
3) the centrifugal self-sucking pump is compact in layout, small in size, high in efficiency, convenient to move and transport, capable of guaranteeing convenience of later-stage maintenance and capable of meeting market demands.
Drawings
FIG. 1 is a cross-sectional view of the self-priming centrifugal pump of the present invention;
fig. 2 is a circuit diagram of the control system of the present invention;
in the figure: 1. the hydraulic pump comprises a shell 10, a base 11, a water discharge valve 12, a water inlet 13, a water outlet 14, a water injection port 15, a fan cover 2, a pump system 20, a pump barrel 21, a pump bearing seat 22, a pump bearing 23, a pump main shaft 24, an impeller 25, a bolt 26, a hydraulic sensor 3, a motor 30, a motor barrel 31, a motor bearing seat 32, a motor bearing 33, a motor shaft 34, a rotor assembly 35, a shielding sleeve 36, a stator assembly 37, a radiating fan 38, a capacitor box 4, a control system 5, an encapsulation system 51, epoxy resin 52 and an oil cylinder.
Detailed Description
In order to facilitate understanding of the technical solutions of the present invention, the present invention will be further described with reference to the following embodiments and accompanying drawings.
Example 1
As shown in fig. 1, a centrifugal self-priming pump comprises a housing 1, a pump system 2, and a motor system 3; still include control system 4, packaging system 5 and fastener 6, casing 1 passes through packaging system 5 and fastener 6 and encapsulates pump system 2, motor system 3, control system 4 inside in proper order, pump system 2 is connected with 3 axles of motor system, control system 4 sets up the inside at motor system 3.
The shell 1 comprises a base 10, a water drain valve 11, a water inlet 12, a water outlet 13, a water filling port 14 and a wind shield 15; the base 10 is arranged at the lower part of the shell 1, a water drain valve 11 is arranged at the lower left corner of the shell 1, a water inlet 12 is arranged at the upper left corner, a water outlet 13 is arranged at the top of the left side of the shell 1, a water injection port 14 is arranged on one side of the water outlet 13, and the fan cover 15 is arranged on the right side of the shell 1. The water drain valve 11 is convenient for discharging the stored water in the pump in time after the pump is used up, and the problem that the pump cannot be opened due to freezing in cold weather is avoided; the water injection port 14 facilitates priming of the pump before it is turned on, avoiding idling of the pump.
The pump system 2 comprises a pump barrel 20, a pump bearing seat 21, a pump bearing 22, a pump main shaft 23, an impeller 24 and a bolt 25; the pump barrel 20 encapsulates the pump system 2, the pump bearing 22 is fixed inside the pump bearing seat 21, the pump main shaft 23 is connected with the inside of the pump bearing 22, the impeller 24 is connected on the pump main shaft 23, the bolt 25 is connected at the end part of the pump main shaft 23, and the hydraulic sensor 26 is arranged in the pump cavity of the lower part of the pump main shaft 23 where the impeller 24 is located. The hydraulic sensor 26 facilitates timely transmission of pressure conditions within the pump to the control system, facilitating timely adjustment of the operating conditions of the pump.
The motor system 3 comprises a motor barrel 30, a motor bearing seat 31, a motor bearing 32, a motor shaft 33, a rotor assembly 34, a shielding sleeve 35 and a stator assembly 36; the motor barrel 30 encloses the internal system of the motor, the motor bearing 32 is arranged on the motor bearing seat 31, the motor shaft 33 is connected with the inside of the motor bearing 32, the rotor assembly 34 is arranged around the motor shaft 33, the shielding sleeve 35 seals the rotor assembly 34 and the motor shaft 33 inside the rotor assembly, and the stator assembly 36 is arranged outside the shielding sleeve 35.
The motor system 3 is an alternating-current power frequency power supply or a high-speed brushless motor with a retained power supply, and has the advantages of low noise, good stability, low maintenance cost and high action efficiency.
The control system 4 comprises a programmable controller, a motor control module, a relay control circuit, a communication module and a sensor module; the programmable controller is in signal connection with the motor control module, the relay control circuit, the communication module and the sensor module, and the sensor module is in signal connection with the hydraulic sensor 26. The relay control circuit can ensure the circuit safety of the whole control system; the communication module can transmit the specific working condition of the water pump to a control program or a control end, and the detection and control of the water pump data are realized. The IC type of the programmable controller is as follows: 52432-01; the IC model of the motor control module is BA 6219B; the IC type of the communication module is as follows: APC 340; the chip model of the hydraulic sensor is MPO 529; above-mentioned chip model is only the utility model discloses an optimal scheme, obviously, the utility model discloses a scheme is not limited to here, and other schemes do not do the perusal here.
A heat dissipation fan 37 is disposed outside the motor system 3, and a main shaft of the heat dissipation fan 37 is connected to the motor shaft 33.
A capacitor box 38 is also arranged at the top of the shell 1 near the motor system 3, and the capacitor box 38 is connected with the control system 4 to supply power to the control system.
The packaging system 5 comprises epoxy resin 51 and an oil cylinder 52; the motor cavity between the motor barrel 30 and the rotor assembly 34 and the stator assembly 36 in the motor system 3 is encapsulated by epoxy 51; the pump cavity between the pump barrel 20 and the pump spindle 23 in the pump system 2 is enclosed by the oil cylinder 52. The sealing performance of the motor and the related parts of the pump body is improved through the encapsulation of the epoxy resin and the oil cylinder, the liquid leakage phenomenon of the pump body is avoided, and the use safety of the pump body is ensured.
The fastening piece 6 is a fastening screw with an O-shaped sealing ring arranged inside.
The beneficial effect of this embodiment is: the centrifugal self-sucking pump is provided with the programmable controller, so that programmed soft start and time-limited closing can be realized, the motor abrasion is reduced, and the service life is prolonged; the centrifugal self-priming pump seals the drive controller and the motor, so that the damage of the motor and the drive controller caused by water leakage and water seepage is avoided, and the safe operation of the centrifugal self-priming pump is ensured; the centrifugal self-sucking pump is compact in layout, small in size and high in efficiency, is convenient to move and transport, guarantees convenience of later-stage maintenance, and meets market demands.
Example 2
A centrifugal self-priming pump and a use method thereof comprise the following steps:
step 1: electrifying the centrifugal self-sucking pump;
step 2: the drive controller is connected with electricity, the programmable controller sends a starting signal to the motor control module, the motor control module controls the motor to execute a starting command, and the motor is in soft start within preset 3-5 s.
And step 3: the motor spindle drives the pump system to work to lift liquid;
and 4, step 4: when the water pump works, when the hydraulic sensor in the pump cavity detects that the liquid pressure is insufficient or no liquid pressure exists, the hydraulic sensor feeds back a signal to the sensor module, the sensor module returns the signal to the programmable controller, the programmable controller transmits the signal to the motor control module in a control mode, and the motor control module controls the motor to be turned off within 25-30 time.
The programmable controller is provided with a program control module, and the program starting and the program closing are realized according to the mode of controlling the starting or the closing of the motor by the program.
The principle of the utility model is as follows:
when the pump needs to be started, the programmable controller in the drive controller controls the motor control module to execute a program starting command according to the program signal, and the rotating speed of the motor is increased to the maximum stage within 3-5 seconds, so that soft start is realized. The problem of in the current water pump, the rotational speed directly promotes to the biggest when the motor starts, has avoided the wearing and tearing of motor, has increased the life of motor.
When the water pump needs to be shut down, the hydraulic sensor detects a hydraulic numerical value in the pump cavity, when the hydraulic value is rapidly reduced or has no hydraulic value, a data signal is transmitted to the sensor module, the sensor module feeds the signal back to the programmable controller, and the programmable controller controls the motor control module to be shut down within 25-30 seconds according to the data signal.
Self-protection and protection of the centrifugal self-priming pump: firstly, soft start, the time delay through the setting program among the programmable controller realize centrifugal self priming pump in the inside drive control system are closed, and the validity that the internal device moved has been guaranteed in automatic setting, has reduced mechanical wear, has reduced cost of maintenance, has increased life.
The centrifugal self-sucking pump has the advantages that the centrifugal self-sucking pump can realize programmed soft start and time-limited closing, reduce the abrasion of a motor and prolong the service life; the damage of water leakage and water seepage to the motor and the driving controller is avoided, and the safe operation of the centrifugal self-priming pump is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A centrifugal self-priming pump comprises a shell (1), a pump system (2) and a motor system (3); characterized by also comprising a control system (4), a packaging system (5) and a fastener (6); the pump system (2), the motor system (3) and the control system (4) are sequentially packaged in the shell (1) through the packaging system (5) and the fastening piece (6), the pump system (2) is connected with the motor system (3) through a shaft, and the control system (4) is arranged in the motor system (3).
2. The centrifugal self-primer pump according to claim 1, wherein the housing (1) comprises a base (10), a water drain valve (11), a water inlet (12), a water outlet (13), a water injection port (14) and a fan housing (15); the base (10) is arranged on the lower portion of the shell (1), a water drain valve (11) is arranged at the lower left corner of the shell (1), a water inlet (12) is arranged at the upper left corner, a water outlet (13) is arranged at the top of the left side of the shell (1), a water injection port (14) is arranged on one side of the water outlet (13), and the fan cover (15) is arranged on the right side of the shell (1).
3. The centrifugal self-primer pump according to claim 2, wherein the pump system (2) comprises a pump barrel (20), a pump bearing block (21), a pump bearing (22), a pump main shaft (23), an impeller (24), a bolt (25); pump system (2) encapsulation is taken turns to pump barrel (20), pump bearing (22) are fixed inside pump bearing frame (21), pump main shaft (23) and pump bearing (22) internal connection, connect impeller (24) on pump main shaft (23), the end connection bolt (25) of pump main shaft (23), pump main shaft (23) lower part set up hydraulic sensor (26) in the pump chamber that impeller (24) were located.
4. The centrifugal self-primer pump of claim 2 wherein the motor system (3) includes a motor barrel (30), a motor bearing housing (31), a motor bearing (32), a motor shaft (33), a rotor assembly (34), a shield (35), a stator assembly (36); the motor barrel (30) encapsulates a motor internal system, the motor bearing (32) is arranged on a motor bearing seat (31), the motor shaft (33) is connected with the inside of the motor bearing (32), the rotor assembly (34) is arranged around the motor shaft (33), the shielding sleeve (35) seals the rotor assembly (34) and the motor shaft (33) inside the rotor assembly, and the stator assembly (36) is arranged outside the shielding sleeve (35).
5. Centrifugal self-primer pump according to claim 4, characterized in that the motor system (3) is a high-speed brushless motor of alternating current power frequency power supply or detention power supply.
6. The centrifugal self-primer pump of claim 5 wherein the control system (4) comprises a programmable controller, a motor control module, a relay control circuit, a communication module and a sensor module; the programmable controller is in signal connection with the motor control module, the relay control circuit, the communication module and the sensor module, and the sensor module is in signal connection with the hydraulic sensor (26).
7. Centrifugal self-primer pump according to claim 6, characterized in that a heat dissipating fan (37) is arranged outside the motor system (3), the main shaft of the heat dissipating fan (37) being connected to the motor shaft (33).
8. The centrifugal self-primer pump according to claim 7, wherein a capacitor box (38) is further provided at a portion of the top of the housing (1) near the motor system (3), and the capacitor box (38) is connected with the control system (4) to supply power thereto.
9. The centrifugal self-primer pump according to claim 8, wherein the packaging system (5) comprises an epoxy (51) and a cylinder (52); the motor cavity between the motor barrel (30) and the rotor assembly (34) and the stator assembly (36) in the motor system (3) is encapsulated by epoxy resin (51); the pump cavity between the pump barrel (20) and the pump spindle (23) in the pump system (2) is encapsulated by the oil cylinder (52).
10. The centrifugal self-primer pump according to claim 1 wherein the fastener (6) is a fastening screw having an O-ring seal disposed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406168.0U CN210343711U (en) | 2019-03-28 | 2019-03-28 | Centrifugal self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406168.0U CN210343711U (en) | 2019-03-28 | 2019-03-28 | Centrifugal self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343711U true CN210343711U (en) | 2020-04-17 |
Family
ID=70172412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920406168.0U Expired - Fee Related CN210343711U (en) | 2019-03-28 | 2019-03-28 | Centrifugal self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779911A (en) * | 2019-03-28 | 2019-05-21 | 陕西昊杨泵业有限公司 | A kind of centrifugal self-priming pump and its application method |
-
2019
- 2019-03-28 CN CN201920406168.0U patent/CN210343711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779911A (en) * | 2019-03-28 | 2019-05-21 | 陕西昊杨泵业有限公司 | A kind of centrifugal self-priming pump and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314661A (en) | Cooling fan speed adjusting device of diesel generating set | |
| CN204267277U (en) | Integral type water-cooled intelligent frequency-conversion water pump | |
| CN210343711U (en) | Centrifugal self-priming pump | |
| CN110685903B (en) | Hydraulic motor gear pump with impeller pressurizing liquid supply at inlet | |
| CN204253162U (en) | A kind of diesel generating set radiation fan arrangements for speed regulation | |
| CN206144802U (en) | Brushless speed governing magnetic force water pump | |
| CN109779911A (en) | A kind of centrifugal self-priming pump and its application method | |
| CN102497060B (en) | Frequency conversion device mounting structure of submersible pump | |
| CN108591080A (en) | A kind of efficient invariable power low specific-speed immersible pump of intelligent frequency-conversion speed governing | |
| CN111608924A (en) | Novel liquid self-cooling circulation type high-power brushless electronic water pump | |
| CN217783782U (en) | Permanent magnet frequency conversion screw air compressor with heat radiation assembly | |
| CN208397267U (en) | A kind of long-life gear reduction unit | |
| CN208062953U (en) | A kind of pump motor of waterproof construction | |
| CN210343743U (en) | Novel high-efficient immersible pump | |
| CN212838339U (en) | Movable motor-driven two-stage compression oil injection screw air compressor | |
| CN202334162U (en) | Frequency conversion device mounting structure of submersible pump | |
| CN203394626U (en) | Water pump for loader | |
| CN113217402A (en) | Water-cooling intelligent pump | |
| CN209510725U (en) | A kind of split type air compressor machine liquid cooling system | |
| CN111277080A (en) | Deep-well pump with frequency conversion device | |
| CN219227377U (en) | Water-cooling permanent magnet synchronous motor | |
| CN105889071B (en) | Using the rotary-vane vaccum pump of shield electric machine | |
| CN109818456B (en) | Outer rotor motor and cooling spraying system for cooling outer rotor motor | |
| CN215719768U (en) | Automobile electronic water pump | |
| CN214092355U (en) | Injection molding magnetic rotor single-coil brushless water pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |