CN103094882A - Three-phase large-power immersible pump motor protection system - Google Patents
Three-phase large-power immersible pump motor protection system Download PDFInfo
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- CN103094882A CN103094882A CN2013100433130A CN201310043313A CN103094882A CN 103094882 A CN103094882 A CN 103094882A CN 2013100433130 A CN2013100433130 A CN 2013100433130A CN 201310043313 A CN201310043313 A CN 201310043313A CN 103094882 A CN103094882 A CN 103094882A
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- motor
- submerged pump
- controller
- immersible pump
- water
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Abstract
The invention belongs to the technical field of immersible pump manufacture, and particularly relates to a three-phase large-power immersible pump motor protection system. A power line of an immersible pump motor is in electric connection with an overcurrent protection device, a water-free induction device which contacts with water to serve as an induction signal is arranged above a top cover of an immersible pump, an inner cavity of the immersible pump motor is provided with an oil-water induction device, the end portion of each phase of a coil of the immersible pump motor is provided with a temperature control device, an inner cavity of the immersible pump is provided with a controller which controls the water-free induction device, the oil-water induction device and the temperature control device simultaneously, the controller is combined with the water-free induction device, the oil-water induction device and the temperature control device to protect the submersible pump motor in real time from outside to inside, hidden risks producing adverse influences on the motor due to external condition changes are avoided, the immersible pump can intelligently and safely operate, service life of the submersible pump motor is prolonged, and working and production efficiency is fully improved.
Description
Technical field
The invention belongs to immersible pump manufacturing technology field, refer in particular to a kind of Three-phase high-power motor for submerged pump protection system.
Background technology
at present, although the immersible pump specification is a lot, be provided with separately anhydrous protective device, bring separately the water conservation device into, be provided with separately overload protection arrangement etc., although the device that arranges separately can be protected under certain conditions motor and guarantee the immersible pump normal operation, when but other uncontrollable situations occur, thisly a kind of protective device is set has separately just demonstrated his limitation, such as the immersible pump of water inlet protective device can't be controlled according to the variation of water level self shutdown or operation, so, in case uncontrollable situation occurs, can't retrieve the damage that motor for submerged pump causes, the direct motor damage of meeting in serious situation, can't guarantee useful life, periodic replacement causes cost to rise, and bring to production operation and have a strong impact on.
Summary of the invention
The purpose of this invention is to provide a kind of can sensed water level the realization automatically moving, and the Three-phase high-power motor for submerged pump protection system of multi-angle protection motor for submerged pump.
The object of the present invention is achieved like this: Three-phase high-power motor for submerged pump protection system; wherein; the power line of motor for submerged pump is electrically connected to overcurrent protective device; be provided with the anhydrous induction installation that contacts with water as induced signal above the top cover of immersible pump; the inner chamber of motor for submerged pump is provided with the profit induction installation; the end of the every phase of coil of motor for submerged pump is provided with attemperating unit, and the immersible pump inner chamber is provided with the signal that receives simultaneously anhydrous induction installation, profit induction installation and attemperating unit to control motor for submerged pump work and out-of-work controller.
According to the Three-phase high-power motor for submerged pump protection system of the above, wherein, described overcurrent protective device provides the overcurrent protection of maximum 2 times for motor for submerged pump.
According to the Three-phase high-power motor for submerged pump protection system of the above; wherein; described anhydrous induction installation top is provided with inductive probe; when the inductive probe induction is anhydrous; signal passes to controller; controller is controlled motor for submerged pump work 10-20 and is shut down after second, and when the inductive probe induction had water, controller was controlled motor for submerged pump and automatically started working.
According to the Three-phase high-power motor for submerged pump protection system of the above; wherein; described profit induction installation enters the water of motor cavity after with the immersible pump seal failure and signal that the oil in annular seal space is mixed into profit passes to controller, and controller is controlled motor for submerged pump and quit work.
According to the Three-phase high-power motor for submerged pump protection system of the above, wherein, the variations in temperature of described attemperating unit monitoring motor for submerged pump coil passes to controller with live signal, exceeds safe temperature, and controller cuts off the working power of motor for submerged pump automatically.
The present invention's outstanding and useful technique effect compared to existing technology is:
When 1, overcurrent protective device of the present invention operating current that motor for submerged pump detected was greater than 2 times of rated current, motor quit work immediately;
2, anhydrous induction installation sensed water level of the present invention changes, and controls immersible pump operation and shutdown automatically by controller, and the protection immersible pump does not damage motor when doing operation;
3, after profit induction installation of the present invention prevents the immersible pump water inlet, burn-down of electric motor;
4, attemperating unit monitoring motor coil variations in temperature of the present invention, the protection motor is not burned because overload causes temperature to rise.
Description of drawings
Fig. 1 is fundamental diagram of the present invention.
Embodiment
the invention will be further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1: Three-phase high-power motor for submerged pump protection system, wherein, the power line of motor for submerged pump is electrically connected to overcurrent protective device, be provided with the anhydrous induction installation that contacts with water as induced signal above the top cover of immersible pump, the inner chamber of motor for submerged pump is provided with the profit induction installation, the end of the every phase of coil of motor for submerged pump is provided with attemperating unit, the immersible pump inner chamber is provided with and accepts simultaneously anhydrous induction installation, the signal of profit induction installation and attemperating unit is to control motor for submerged pump work and out-of-work controller.
According to the Three-phase high-power motor for submerged pump protection system of the above, wherein, described overcurrent protective device provides the overcurrent protection of maximum 2 times for motor for submerged pump.During greater than 2 times of rated current, immersible pump quits work immediately when the operating current of immersible pump, and the switch of need to cutting off the electricity supply reopens power supply after fixing a breakdown, and immersible pump could be worked.
According to the Three-phase high-power motor for submerged pump protection system of the above; wherein; described anhydrous induction installation top is provided with inductive probe; when the inductive probe induction is anhydrous; signal passes to controller, controls motor for submerged pump work and shuts down afterwards in 10 seconds, floods immersible pump when water level rises; when the inductive probe induction had water, motor for submerged pump was started working automatically.
According to the Three-phase high-power motor for submerged pump protection system of the above; wherein; described profit induction installation enters the water of motor cavity after with the immersible pump seal failure and signal that the oil in annular seal space is mixed into profit passes to controller, and controller is controlled motor for submerged pump and quit work.The switch of need to cutting off the electricity supply reopens power supply after fixing a breakdown, and immersible pump just can be started working.
According to the Three-phase high-power motor for submerged pump protection system of the above, wherein, the variations in temperature of described attemperating unit monitoring motor for submerged pump coil passes to controller with live signal, exceeds safe temperature, and controller cuts off the power supply of motor for submerged pump automatically.When the motor coils such as need return to safe temperature, reopen power supply, immersible pump could be worked.
Controller is in conjunction with anhydrous induction installation, profit induction installation and attemperating unit; from outside to inside motor for submerged pump is carried out real-time guard; avoided all because of the hidden danger of change of external conditions generation to the motor adverse effect; allow the more intelligent safer operation of immersible pump; extend the useful life of motor for submerged pump, improve the efficient of work and production comprehensively.
Above-described embodiment is only preferred embodiment of the present invention, is not to limit according to this protection scope of the present invention, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection scope of the present invention.
Claims (5)
1. Three-phase high-power motor for submerged pump protection system; it is characterized in that: the power line of motor for submerged pump is electrically connected to overcurrent protective device; be provided with the anhydrous induction installation that contacts with water as induced signal above the top cover of immersible pump; the inner chamber of motor for submerged pump is provided with the profit induction installation; the end of the every phase of coil of motor for submerged pump is provided with attemperating unit, and the immersible pump inner chamber is provided with the signal that receives simultaneously anhydrous induction installation, profit induction installation and attemperating unit to control motor for submerged pump work and out-of-work controller.
2. Three-phase high-power motor for submerged pump protection system according to claim 1 is characterized in that: described overcurrent protective device provides the overcurrent protection of maximum 2 times for motor for submerged pump.
3. Three-phase high-power motor for submerged pump protection system according to claim 1; it is characterized in that: described anhydrous induction installation top is provided with inductive probe; when the inductive probe induction is anhydrous; signal passes to controller; controller is controlled motor for submerged pump work 10-20 and is shut down after second; when the inductive probe induction had water, controller was controlled motor for submerged pump and is automatically started working.
4. Three-phase high-power motor for submerged pump protection system according to claim 1; it is characterized in that: described profit induction installation enters the water of motor cavity after with the immersible pump seal failure and signal that the oil in annular seal space is mixed into profit passes to controller, and controller is controlled motor for submerged pump and quit work.
5. Three-phase high-power motor for submerged pump protection system according to claim 1; it is characterized in that: the variations in temperature of described attemperating unit monitoring motor for submerged pump coil; live signal is passed to controller, exceed safe temperature, controller cuts off the working power of motor for submerged pump automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100433130A CN103094882A (en) | 2013-02-02 | 2013-02-02 | Three-phase large-power immersible pump motor protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100433130A CN103094882A (en) | 2013-02-02 | 2013-02-02 | Three-phase large-power immersible pump motor protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103094882A true CN103094882A (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100433130A Pending CN103094882A (en) | 2013-02-02 | 2013-02-02 | Three-phase large-power immersible pump motor protection system |
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| CN (1) | CN103094882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461282A (en) * | 2014-06-24 | 2017-02-22 | 洋马株式会社 | Heat pump type chiller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664251Y (en) * | 2003-11-01 | 2004-12-15 | 武耀全 | Temperature protecting device for electric motor |
| CN2824400Y (en) * | 2005-09-26 | 2006-10-04 | 马银生 | Intelligent controller for starting water pump motor |
| CN202068173U (en) * | 2011-01-30 | 2011-12-07 | 中国铝业股份有限公司 | Water inlet detection and protection device of submersible sewage pump motor |
| CN203103919U (en) * | 2013-02-02 | 2013-07-31 | 浙江大元泵业有限公司 | Three-phase large-power submersible pump motor protective system |
-
2013
- 2013-02-02 CN CN2013100433130A patent/CN103094882A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664251Y (en) * | 2003-11-01 | 2004-12-15 | 武耀全 | Temperature protecting device for electric motor |
| CN2824400Y (en) * | 2005-09-26 | 2006-10-04 | 马银生 | Intelligent controller for starting water pump motor |
| CN202068173U (en) * | 2011-01-30 | 2011-12-07 | 中国铝业股份有限公司 | Water inlet detection and protection device of submersible sewage pump motor |
| CN203103919U (en) * | 2013-02-02 | 2013-07-31 | 浙江大元泵业有限公司 | Three-phase large-power submersible pump motor protective system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461282A (en) * | 2014-06-24 | 2017-02-22 | 洋马株式会社 | Heat pump type chiller |
| CN106461282B (en) * | 2014-06-24 | 2019-04-23 | 洋马株式会社 | Heat-pump-type cooling device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Taizhou City, Zhejiang province 317523 Wenling City Zeguo town Danya Industrial Zone Applicant after: ZHEJIANG DAYUAN PUMP INDUSTRY CO., LTD. Address before: Taizhou City, Zhejiang province 317500 Wenling City Zeguo town Danya Industrial Zone Applicant before: ZHEJIANG DAYUAN PUMP INDUSTRIAL Co., LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130508 |
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| RJ01 | Rejection of invention patent application after publication |