CN103742426A - Blowdown submerged pump for detecting sealing state - Google Patents
Blowdown submerged pump for detecting sealing state Download PDFInfo
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- CN103742426A CN103742426A CN201310613256.5A CN201310613256A CN103742426A CN 103742426 A CN103742426 A CN 103742426A CN 201310613256 A CN201310613256 A CN 201310613256A CN 103742426 A CN103742426 A CN 103742426A
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- pump
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- fuel tank
- sealing state
- pump shaft
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Abstract
The invention discloses a blowdown submerged pump for detecting the sealing state. The blowdown submerged pump comprises a pump body which is provided with a water inlet and a drainage exit. An impeller is arranged in the pump body. An oil tank is installed at the top end of the pump body. A motor is installed at the top end of the oil tank. A pump shaft is arranged in the pump body. The outer wall of the pump shaft is sleeved with the impeller. One end of the pump shaft penetrates through the oil tank and then is arranged inside the motor. A wiring board is arranged above the pump shaft and connected with a heat protection sensor. Both the wiring board and the heat protection sensor are arranged inside the motor. A water leakage detection head is arranged in the motor. One end of the water leakage detection head is arranged inside the oil tank, and the bottom end of the water leakage detection head makes contact with the bottom end face inside the oil tank. According to the blowdown submerged pump, water leakage detection is conducted on the motor and the oil tank through the water leakage detection head, when water leakage occurs, the submerged pump can be closed in time and protected, and therefore the problems that operators do not know water leakage after water leakage occurs in an existing submerged pump, and finally the submerged pump is damaged are solved.
Description
Technical field
The present invention relates to a kind of water pump, especially relate to a kind of blowdown submerged pump based on sealing state is detected, belong to mechanical field.
Background technique
Pump is as a kind of universal machine, and it is of many uses., there are various water pumps in the development differentiation along with water pump, water pump is the machinery of carrying liquid or making liquid supercharging.It sends the mechanical energy of prime mover or other external energies to liquid, liquid energy is increased, be mainly used to carry liquid to comprise water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal etc., the liquid that also can carry liquid, gaseous mixture and contain suspended solids.The technical parameter of weighing pump performance has flow, inhales journey, lift, air horsepower, water-horse power, efficiency etc.; According to different working principles, can be divided into the types such as volume water pump, vane pump.Displacement pump is to utilize the variation of its swept volume of a single chamber to carry out transferring energy; Vane pump is to utilize the interaction of rotary vane and water to carry out transferring energy, has the types such as centrifugal pump, axial-flow pump and mixed flow pump.Submersible pump has several, and the line in motor is surrounded by that oil is invaded formula and water enchroachment (invasion) formula is dry type in addition, for a long time need not, must impeller must be done turn before use, not so can be because of for a long time need not be stuck and have a swollen head.Before turn on pump, in suction pipe and pump, must be full of liquid.After turn on pump, impeller High Rotation Speed, liquid wherein, along with blade rotates together, under the effect of centrifugal force, flies away from impeller and outwards penetrates, and the liquid of ejaculation speed in pump case explosion chamber is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.Now, in blade center, because being thrown toward, liquid around forms the vacuum low-pressure district that not only there is no air but also there is no liquid, liquid in liquid pool is under the atmospheric effect of pond face, in suction pipe inflow pump, liquid is exactly so continuously from liquid pool, be pumped up and continuously from discharge tube, flow out.The blowdown submerged pump using in city, due to the environment very severe of using, under the corrosion function of sewage, easily occur the problem of leaking, and operator cannot learn, finally cause the damage of submersible pump.
summary of the invention
After the object of the invention is to overcome above-mentioned existing submersible pump and occurring leaking, operator but cannot learn; finally cause the problem of the damage of submersible pump; designed a kind of blowdown submerged pump based on sealing state is detected; this blowdown submerged pump leaks detecting head to the detection of leaking of motor and fuel tank by setting; when finding to leak, close in time submersible pump; protection submersible pump; after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
Object of the present invention is achieved through the following technical solutions: a kind of blowdown submerged pump based on sealing state is detected, comprise the pump housing that is provided with water intake and drain opening, in the described pump housing, be provided with impeller, pump housing top is provided with fuel tank, fuel tank top is provided with motor, in the pump housing, be provided with pump shaft, impeller set is combined on the outer wall of pump shaft, pump shaft one end is arranged on motor internal through after fuel tank, the top of described pump shaft is provided with wire board, wire board is connected with heat protection sensor, wire board and heat protection sensor are all arranged on motor internal, in motor, be provided with the detecting head that leaks, the detecting head one end that leaks is arranged on fuel tank internal, and the bottom of this detecting head that leaks contacts with the bottom end of fuel tank internal.
On the outer wall of pump shaft, be sheathed with rotor, on the outer wall of rotor, be sheathed with stator, rotor and stator are all arranged in motor, and heat protection sensor setting is in stator.
On the outer wall of pump shaft, be sheathed with bearing, bearing is arranged in motor, and bearing is arranged under rotor, on the outer wall of pump shaft, is sheathed with seal ring, and seal ring is arranged in the base plate of fuel tank, and seal ring is arranged on bearing below.
Motor comprises motor casing and motor cover, and motor cover is fixed on motor casing, and rotor, stator, bearing and the detecting head that leaks are all arranged on motor casing inside, and the top of motor casing is fixedly connected with the top of fuel tank.
In motor cover, be provided with the sheath of inner hollow, sheath, through motor cover and motor casing internal communication, is provided with cable in sheath, and cable one end is connected with wire board through after sheath, between wire board and heat protection sensor, also by cable, connects.
In motor cover, be provided with suspension ring, bottom and the motor cover of suspension ring are fixed.
The opening end of water intake is provided with filter cap, and the opening end formation of filter cap and water intake is tightly connected, and filter cap is arranged on pump housing outside.
In sum; the invention has the beneficial effects as follows: this blowdown submerged pump leaks detecting head to the detection of leaking of motor and fuel tank by setting; when finding to leak, close in time submersible pump; protection submersible pump; after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark and corresponding component title in accompanying drawing: 1-base; 2-filter cap; 3-seal ring; 4-detecting head leaks; 5-bearing; 6-stator; 7-pump shaft; 8-heat protection sensor; 9-suspension ring; 10-wire board; 11-cable; 12-sheath; 13-motor cover; 14-wiring end cover; 15-rotor; 16-motor casing; 17-fuel tank; 18-pump housing; 19-impeller.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of blowdown submerged pump based on sealing state is detected, comprise the pump housing 18 that is provided with water intake and drain opening, in the described pump housing 18, be provided with impeller 19, the pump housing 18 tops are provided with fuel tank 17, fuel tank 17 tops are provided with motor, in the pump housing 18, be provided with pump shaft 7, impeller 19 is linked on the outer wall of pump shaft 7, pump shaft 7 one end are arranged on motor internal through after fuel tank 17, the top of described pump shaft 7 is provided with wire board 10, wire board 10 is connected with heat protection sensor 8, wire board 10 and heat protection sensor 8 are all arranged on motor internal, in motor, be provided with the detecting head 4 that leaks, detecting head 4 one end that leak are arranged on fuel tank 17 inside, and the bottom of this detecting head 4 that leaks contacts with the bottom end of fuel tank 17 inside.Unique blade wheel structure, there is very large flow, can pass through large object and fiber, this submersible pump adopts external circulation cooling system, can guarantee that submersible pump runs well at the lowest water level in pond, the detecting head 4 that leaks is a kind of induction detection devices, sensing that humidity is greater than after the aqueous solution of setting value, with regard to automatic alarm, send signal, operator receive after signal, just know that pollution discharge pump exists the situation of leaking, can stop blowdown, submersible pump is taken out and keeped in repair from sewage, avoid the further seepage of sewage, destroy pollution discharge pump, because the proportion of water is greater than oily proportion, so the bottom of the detecting head 4 that leaks in fuel tank 17 need to be contacted with the bottom end of fuel tank 17 inside, can detect accurately fuel tank 17 like this, after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
On the outer wall of pump shaft 7, be sheathed with rotor 15, be sheathed with stator 6 on the outer wall of rotor 15, rotor 15 and stator 6 are all arranged in motor, and heat protection sensor 8 is arranged in stator 6.Stator 6 and rotor 15 are all existing structures; stator 6 adopts B level and F class B insulation; after being interfered, stator 6 easily generates heat, and causes burning out of pollution discharge pump; in stator 6, arrange after heat protection sensor 8; when the temperature of stator 6, protect after the setting temperature sensor of sensor 8 higher than heat, heat protection sensor 8 will issue a signal in control system, and control system is cut off the electricity supply according to default program; submersible pump is quit work, prevent burning out submersible pump.
On the outer wall of pump shaft 7, be sheathed with bearing 5, bearing 5 is arranged in motor, and bearing 5 is arranged under rotor 15, is sheathed with seal ring 3 on the outer wall of pump shaft 7, and seal ring 3 is arranged in the base plate of fuel tank 17, and seal ring 3 is arranged on bearing 5 belows.Seal ring 3 is that pump shaft 7 is sealed, and avoids between fuel tank 17 and motor because the phenomenon of leaking is caused in the gap of pump shaft 7.Seal ring 3 adopts double mechanical seal, guarantees the reliable of submersible pump.
Motor comprises motor casing 16 and motor cover 13, and motor cover 13 is fixed on motor casing 16, and rotor 15, stator 6, bearing 5 and the detecting head 4 that leaks are all arranged on motor casing 16 inside, and the top of motor casing 16 is fixedly connected with the top of fuel tank 17; In motor cover 13, be provided with the sheath 12 of inner hollow, sheath 12 is through motor cover 13 and motor casing 16 internal communication, in sheath 12, be provided with cable 11, cable 11 one end are connected with wire board 10 through sheath 12 is rear, between wire board 10 and heat protection sensor 8, also by cable 11, connect; In motor cover 13, be provided with suspension ring 9, the bottom of suspension ring 9 and motor cover 13 are fixing.In motor casing 16, be provided with wiring end cover 14; wiring end cover 14 is arranged on pump shaft 7 tops; wire board 10 is arranged on wiring end cover 14; making pump shaft 7 have enough spaces rotates; cable 11 in sheath 12 is connected wire board 10; the submersible pump that makes to be placed in sewage can be switched on, and the signal of the sensor 8 of heat protection simultaneously also can transmit out by the datawire in cable.
The opening end of water intake is provided with filter cap 2, and filter cap 2 is tightly connected with the opening end formation of water intake, and filter cap 2 is arranged on the pump housing 18 outsides.Filter cap 2 is that the sewage that enters water pump is carried out to coarse filtration, prevents that the large-scale impurity such as rubble or other silk quality things from entering into water pump, causes the stuck phenomenon of impeller 19 to occur.In the pump housing 18 bottoms, base 1 is set, for supporting the pump housing 18 simultaneously.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (7)
1. the blowdown submerged pump based on sealing state is detected, comprise the pump housing (18) that is provided with water intake and drain opening, in the described pump housing (18), be provided with impeller (19), the pump housing (18) top is provided with fuel tank (17), fuel tank (17) top is provided with motor, in the pump housing (18), be provided with pump shaft (7), impeller (19) is linked on the outer wall of pump shaft (7), pump shaft (7) one end is arranged on motor internal through after fuel tank (17), it is characterized in that: the top of described pump shaft (7) is provided with wire board (10), wire board (10) is connected with heat protection sensor (8), wire board (10) and heat protection sensor (8) are all arranged on motor internal, in motor, be provided with the detecting head that leaks (4), detecting head (4) one end that leaks is arranged on fuel tank (17) inside, and the bottom of this detecting head that leaks (4) bottom end inner with fuel tank (17) contacts.
2. a kind of blowdown submerged pump based on sealing state is detected according to claim 1; it is characterized in that: on the outer wall of described pump shaft (7), be sheathed with rotor (15); on the outer wall of rotor (15), be sheathed with stator (6); rotor (15) and stator (6) are all arranged in motor, and heat protection sensor (8) is arranged in stator (6).
3. a kind of blowdown submerged pump based on sealing state is detected according to claim 2, it is characterized in that: on the outer wall of described pump shaft (7), be sheathed with bearing (5), bearing (5) is arranged in motor, and bearing (5) is arranged under rotor (15), on the outer wall of pump shaft (7), be sheathed with seal ring (3), seal ring (3) is arranged in the base plate of fuel tank (17), and seal ring (3) is arranged on bearing (5) below.
4. a kind of blowdown submerged pump based on sealing state is detected according to claim 3, it is characterized in that: described motor comprises motor casing (16) and motor cover (13), motor cover (13) is fixed on motor casing (16), rotor (15), stator (6), bearing (5) and the detecting head that leaks (4) are all arranged on motor casing (16) inside, and the top of motor casing (16) is fixedly connected with the top of fuel tank (17).
5. a kind of blowdown submerged pump based on sealing state is detected according to claim 4; it is characterized in that: the sheath (12) that is provided with inner hollow in described motor cover (13); sheath (12) is through motor cover (13) and motor casing (16) internal communication; in sheath (12), be provided with cable (11); cable (11) one end is connected with wire board (10) through after sheath (12), between wire board (10) and heat protection sensor (8), also by cable (11), connects.
6. a kind of blowdown submerged pump based on sealing state is detected according to claim 4, is characterized in that: in described motor cover (13), be provided with suspension ring (9), the bottom of suspension ring (9) and motor cover (13) are fixing.
7. according to a kind of blowdown submerged pump based on sealing state is detected described in any one in claim 1 to 6, it is characterized in that: the opening end of described water intake is provided with filter cap (2), filter cap (2) is tightly connected with the opening end formation of water intake, and filter cap (2) is arranged on the pump housing (18) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613256.5A CN103742426A (en) | 2013-11-28 | 2013-11-28 | Blowdown submerged pump for detecting sealing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613256.5A CN103742426A (en) | 2013-11-28 | 2013-11-28 | Blowdown submerged pump for detecting sealing state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103742426A true CN103742426A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613256.5A Pending CN103742426A (en) | 2013-11-28 | 2013-11-28 | Blowdown submerged pump for detecting sealing state |
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| CN (1) | CN103742426A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050682A (en) * | 2016-05-31 | 2016-10-26 | 常州联力自动化科技有限公司 | Intelligent integrated submersible pump, high temperature prevention method, water inflow prevention method and control system |
| CN106593896A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Intelligent control submersible motor pump |
| CN106593895A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Improved intelligent control submerged electric pump |
| CN106593894A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Intelligent control submersible motor pump with novel structure |
| CN107740776A (en) * | 2017-11-27 | 2018-02-27 | 湖北拓宇水电科技有限公司 | It is a kind of to diving pump assembly make moist, under ponding state on-line maintenance control system |
| CN109526355A (en) * | 2017-09-21 | 2019-03-29 | 宋加龙 | Lotus-root digging equipment and control method based on cloud computing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56113092A (en) * | 1980-02-08 | 1981-09-05 | Ebara Corp | Submersible motor pump |
| JPS6230315B2 (en) * | 1978-07-07 | 1987-07-01 | Ebara Seisakusho Kk | |
| CN201486881U (en) * | 2009-08-04 | 2010-05-26 | 朱丹 | Novel diving blow-down pump with automatic sensing function |
| CN202468350U (en) * | 2012-01-18 | 2012-10-03 | 海城三鱼泵业有限公司 | Sewage submersible electric pump |
| CN203570611U (en) * | 2013-11-28 | 2014-04-30 | 成都欧浦特控制阀门有限公司 | Blowdown submersible pump capable of detecting sealing state |
-
2013
- 2013-11-28 CN CN201310613256.5A patent/CN103742426A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230315B2 (en) * | 1978-07-07 | 1987-07-01 | Ebara Seisakusho Kk | |
| JPS56113092A (en) * | 1980-02-08 | 1981-09-05 | Ebara Corp | Submersible motor pump |
| CN201486881U (en) * | 2009-08-04 | 2010-05-26 | 朱丹 | Novel diving blow-down pump with automatic sensing function |
| CN202468350U (en) * | 2012-01-18 | 2012-10-03 | 海城三鱼泵业有限公司 | Sewage submersible electric pump |
| CN203570611U (en) * | 2013-11-28 | 2014-04-30 | 成都欧浦特控制阀门有限公司 | Blowdown submersible pump capable of detecting sealing state |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050682A (en) * | 2016-05-31 | 2016-10-26 | 常州联力自动化科技有限公司 | Intelligent integrated submersible pump, high temperature prevention method, water inflow prevention method and control system |
| CN106593896A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Intelligent control submersible motor pump |
| CN106593895A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Improved intelligent control submerged electric pump |
| CN106593894A (en) * | 2016-12-14 | 2017-04-26 | 衡阳市力源动力制造有限公司 | Intelligent control submersible motor pump with novel structure |
| CN106593894B (en) * | 2016-12-14 | 2022-09-30 | 湖南省大地泵业有限公司 | Intelligent control submersible electric pump with novel structure |
| CN106593896B (en) * | 2016-12-14 | 2022-09-30 | 湖南省大地泵业有限公司 | Intelligent control submersible electric pump |
| CN109526355A (en) * | 2017-09-21 | 2019-03-29 | 宋加龙 | Lotus-root digging equipment and control method based on cloud computing |
| CN109526355B (en) * | 2017-09-21 | 2024-01-05 | 宋加龙 | Lotus root digging device based on cloud computing and control method |
| CN107740776A (en) * | 2017-11-27 | 2018-02-27 | 湖北拓宇水电科技有限公司 | It is a kind of to diving pump assembly make moist, under ponding state on-line maintenance control system |
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Application publication date: 20140423 |