CN204628011U - A kind of energy-saving oil-immersed pump - Google Patents
A kind of energy-saving oil-immersed pump Download PDFInfo
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- CN204628011U CN204628011U CN201520149493.5U CN201520149493U CN204628011U CN 204628011 U CN204628011 U CN 204628011U CN 201520149493 U CN201520149493 U CN 201520149493U CN 204628011 U CN204628011 U CN 204628011U
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- immersed pump
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Abstract
The utility model relates to a kind of energy-saving oil-immersed pump, described oil-immersed pump includes at least one cabinet body, and it is many nozzle to be installed on cabinet, nozzle is communicated to the oil-immersed pump being positioned at oil tank respectively through flowmeter, the processing unit of the control circuit of described oil-immersed pump drives through optical coupling isolation circuit and metal-oxide-semiconductor or is connected to the control end of DC Brushless Motor after IGBT drive circuit, described processing unit is connected with the multiple Boolean value output sensors for detecting nozzle state, the position transducer that the rotor shaft of described DC Brushless Motor is installed is connected to processing unit, processing unit by Boolean value output sensor obtain current in running order under the quantity of nozzle, processing unit to be driven by metal-oxide-semiconductor according to the quantity of nozzle again or IGBT drive circuit controls the rotating speed of DC Brushless Motor.A kind of energy-saving oil-immersed pump of the utility model, has the advantage of good energy-conserving effect.
Description
Technical field
The utility model relates to a kind of energy-saving oil-immersed pump, especially relates to a kind of DC Brushless Motor that utilizes as the oil-immersed pump of power source, belongs to oilling machine technical field.
Background technique
At present, conventional oil-immersed pump adopt AC asynchronous motor drive oil pump to carry out the operation of pump oil, when adopting AC asynchronous motor driving mode, only exist and start and close down two states, namely mean that namely AC asynchronous motor starts power operation when operator carry rifle, and the oil therefore pumped into also is not filled in vehicle yet, all refluxed by overflow ducts, waste a large amount of electric energy; Further, when this kind of mode is applied to multiple nozzle, no matter be a nozzle action, or the action simultaneously of multiple nozzle, AC asynchronous motor is full power running, lacks corresponding power adjustments ability, in whole refueling process, waste a large amount of electric energy;
Simultaneously, regular alternating current asynchronous motor needs rotor shaft processing coolant flow channel (oil-immersed pump working forms), oil is utilized to cool it, but the electromagnetic force that the AC asynchronous motor of routine operationally produces can produce absorption to metal impurities such as the iron filings in oil, make it be deposited in coolant flow channel, affect the working life of AC asynchronous motor;
Because AC asynchronous motor cannot regulate its power, the AC asynchronous motor of power match can not be selected when mounted according to local circumstance (as oil pressure, volume, nozzle quantity etc.), for oil-immersed pump producer, need the oil-immersed pump producing various different size for this reason, add fund, warehousing pressure; For Shou You enterprise, add user cost and Installation and Debugging cost equally;
In addition: conventional AC asynchronous motor only has startup and closes down two states, when nozzle frequent operation, corresponding protection is lacked to the over-current state that AC asynchronous motor frequent start-stop produces instantaneously, not only easily damages AC asynchronous motor, and there is certain potential safety hazard;
For this reason, a kind of oil-immersed pump of the Novel oiling machine that can solve the problem is needed badly.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of energy-saving oil-immersed pump of good energy-conserving effect.
The purpose of this utility model is achieved in that
A kind of energy-saving oil-immersed pump, described oil-immersed pump includes a group interface device, and this interface device is communicated with the oil circuit of nozzle, and described oil-immersed pump is driven by DC Brushless Motor;
Described oil-immersed pump also includes a control circuit, the processing unit of described control circuit drives through optical coupling isolation circuit and metal-oxide-semiconductor or is connected to the control end of DC Brushless Motor after IGBT drive circuit, described processing unit is connected with the multiple Boolean value output sensors for detecting nozzle state, the position transducer that the rotor shaft of described DC Brushless Motor is installed is (as Hall transducer, in certain specific implementation process, also by monitoring current, the signals such as voltage are to carrying out position monitoring, no matter which kind of mode, all within the protection domain of this patent) be connected to processing unit, described processing unit is communicated to external control signal input circlult through optical coupling isolation circuit, described processing unit is connected with communication module,
A kind of energy-saving oil-immersed pump of the utility model, described DC Brushless Motor drives and includes shell, and be set with stator module in described shell, be set with rotor assembly in described stator module, the rotor shaft of this rotor assembly is made up of rare earth material.
A kind of energy-saving oil-immersed pump of the utility model, the supply lines of described DC Brushless Motor is provided with overcurrent-overvoltage testing circuit, and this overcurrent-overvoltage testing circuit is connected to processing unit.
Compared with prior art, the beneficial effects of the utility model are:
The utility model submersible pump motor adopts DC Brushless Motor to replace conventional AC asynchronous motor, and the rotor shaft of DC Brushless Motor adopts rare earth material to make, thus it without the need to building coolant flow channel in rotor shaft, stopped the precipitation blockage problem of regular alternating current asynchronous motor metal impurities; And what is more important, by the control of the output power to DC Brushless Motor, make the utility model oil-immersed pump can export suitable power according to actual conditions, drive DC Brushless Motor to rotate with suitable rotating speed, thus reach energy-saving effect; Further, due to power adjustable, without the need to configuring different oil-immersed pumps according to different size, power adjustments can be utilized to coordinate different situations to use by a DC Brushless Motor; Meanwhile, by the overcurrent and overvoltage protector of DC Brushless Motor, effectively prevent frequent start-stop from causing damage to motor, contribute to the working life extending motor, improve the Safety performance of oil-immersed pump.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram (A is DC Brushless Motor) of a kind of energy-saving oil-immersed pump of the utility model.
Fig. 2 is the structural representation of the DC Brushless Motor of a kind of energy-saving oil-immersed pump of the utility model.
Fig. 3 is the circuit block diagram of the control circuit of a kind of energy-saving oil-immersed pump of the utility model.
Wherein:
Shell 1, stator module 2, rotor assembly 3.
Embodiment
See Fig. 1 ~ 3, the energy-saving oil-immersed pump of the one that the utility model relates to, described oil-immersed pump includes a group interface device, and this interface device is communicated with the oil circuit of nozzle, and this oil-immersed pump is driven by DC Brushless Motor;
Described DC Brushless Motor drives and includes shell 1, stator module 2 is set with in described shell 1, rotor assembly 3 is set with in described stator module 2, the rotor shaft of this rotor assembly 3 is made up of rare earth material, thus this DC Brushless Motor is had, and energy consumption is low, the detent torque advantage that its inrush current is little greatly;
Described oil-immersed pump also includes a control circuit, the processing unit of described control circuit drives through optical coupling isolation circuit and metal-oxide-semiconductor or is connected to the control end of DC Brushless Motor after IGBT drive circuit, the supply lines of described DC Brushless Motor is provided with overcurrent-overvoltage testing circuit, and this overcurrent-overvoltage testing circuit is connected to processing unit, described processing unit is connected with the multiple Boolean value output sensors for detecting nozzle state, the position transducer that the rotor shaft of described DC Brushless Motor is installed is connected to processing unit, described processing unit is communicated to external control signal input circlult through optical coupling isolation circuit, described processing unit is connected with communication module,
An energy-saving control method for energy-saving oil-immersed pump, described method is:
Processing unit by Boolean value output sensor obtain current in running order under the quantity of nozzle;
Processing unit to be driven by metal-oxide-semiconductor according to the quantity of nozzle again or IGBT drive circuit controls the rotating speed of DC Brushless Motor;
In above process, processing unit is monitored by the rotating speed of position transducer to DC Brushless Motor, forms a closed loop negative feedback system, thus makes DC Brushless Motor be stabilized in a certain rotating speed matched with nozzle quantity;
Further, by overcurrent-overvoltage testing circuit, DC Brushless Motor is monitored, prevent from producing instantaneous overcurrent damage motor because of the frequent starting of nozzle and closedown;
Concretely, the control flow of said method is:
Step 1: system starts;
Step 2: DC Brushless Motor slowly runs;
Step 3: the actuating signal of nozzle is passed to processing unit by Boolean value output sensor, thus make processing unit can learn the quantity of the nozzle being now in fueling state;
Step 4: according to the quantity of nozzle, processing unit drives the rotational speed of DC Brushless Motor by drive circuit; When increase is in the quantity of the nozzle of fueling state, improve the rotating speed of DC Brushless Motor, when minimizing is in the quantity of the nozzle of fueling state, reduce the rotating speed of DC Brushless Motor, thus make in refueling process, DC Brushless Motor can remain on all the time with on the rotating speed of volume read-out demand Proper Match, ensure that the normal running of oiling, and reduces the energy consumption of DC Brushless Motor;
Step 5: while carry out step 4, is monitored by the rotating speed of the position transducer on DC Brushless Motor rotor shaft to DC Brushless Motor, prevents the limits value of its offspeed processing unit;
In addition: it should be noted that above-mentioned embodiment is only an optimized project of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (3)
1. an energy-saving oil-immersed pump, described oil-immersed pump includes a group interface device, and this interface device is communicated with the oil circuit of nozzle, it is characterized in that: described oil-immersed pump is driven by DC Brushless Motor;
Described oil-immersed pump also includes a control circuit, the processing unit of described control circuit drives through optical coupling isolation circuit and metal-oxide-semiconductor or is connected to the control end of DC Brushless Motor after IGBT drive circuit, described processing unit is connected with the multiple Boolean value output sensors for detecting nozzle state, the position transducer that the rotor shaft of described DC Brushless Motor is installed is connected to processing unit, described processing unit is communicated to external control signal input circlult through optical coupling isolation circuit, and described processing unit is connected with communication module.
2. a kind of energy-saving oil-immersed pump as claimed in claim 1, it is characterized in that: described DC Brushless Motor drives and includes shell (1), stator module (2) is set with in described shell (1), be set with rotor assembly (3) in described stator module (2), the rotor shaft of this rotor assembly (3) is made up of rare earth material.
3. a kind of energy-saving oil-immersed pump as claimed in claim 1 or 2, it is characterized in that: the supply lines of described DC Brushless Motor is provided with overcurrent-overvoltage testing circuit, and this overcurrent-overvoltage testing circuit is connected to processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149493.5U CN204628011U (en) | 2015-03-17 | 2015-03-17 | A kind of energy-saving oil-immersed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149493.5U CN204628011U (en) | 2015-03-17 | 2015-03-17 | A kind of energy-saving oil-immersed pump |
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| Publication Number | Publication Date |
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| CN204628011U true CN204628011U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520149493.5U Active CN204628011U (en) | 2015-03-17 | 2015-03-17 | A kind of energy-saving oil-immersed pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806531A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Energy-saving oil-immersed pump and energy-saving control method thereof |
| CN113339275A (en) * | 2021-06-21 | 2021-09-03 | 工进利天泵（宁波）有限公司 | Electric liquid pump |
-
2015
- 2015-03-17 CN CN201520149493.5U patent/CN204628011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806531A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Energy-saving oil-immersed pump and energy-saving control method thereof |
| CN113339275A (en) * | 2021-06-21 | 2021-09-03 | 工进利天泵（宁波）有限公司 | Electric liquid pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhenzhong Inventor after: Pu He Inventor after: Ding Lili Inventor after: Xiu Dexin Inventor after: Wang Jie Inventor after: Xu Dongcheng Inventor after: Lu Yuxiang Inventor after: Hu Yi Inventor before: Xu Dongcheng Inventor before: Lu Yuxiang Inventor before: Hu Yi Inventor before: Xu Jianxin Inventor before: Tao Huachen Inventor before: Yuan Junwei |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160922 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Patentee after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Patentee after: Jiangyin Furen Hi-Tech Co., Ltd. Address before: Park Road Jiangyin city 214432 Jiangsu city of Wuxi province No. 8-6, No. 8-7 Patentee before: Jiangyin Furen Hi-Tech Co., Ltd. |