CN209100984U - A kind of frequency conversion pumping system of oil lubricating system - Google Patents
A kind of frequency conversion pumping system of oil lubricating system Download PDFInfo
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- CN209100984U CN209100984U CN201821722816.5U CN201821722816U CN209100984U CN 209100984 U CN209100984 U CN 209100984U CN 201821722816 U CN201821722816 U CN 201821722816U CN 209100984 U CN209100984 U CN 209100984U
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Abstract
The utility model discloses a kind of frequency conversion pumping systems of oil lubricating system, it include: grease pump, variable-frequency motor and frequency converter, the grease pump provides power by variable-frequency motor, the variable-frequency motor is connected to power supply by frequency converter, to realize using existing grease pump, by the revolving speed for adjusting variable-frequency motor, it realizes that the output flow of grease pump can adjust according to actual needs, solves the problems, such as to use its output flow of the arrangement in lubricant pump of quantitative oil pump is constant to cause Excess lubricating oil to flow back to fuel tank in turn result in energy waste at present.And quick transformation can be carried out to existing arrangement in lubricant pump, raising efficiency reduces energy consumption.
Description
Technical field
The utility model relates to technical field of hydraulic pressure, more particularly to a kind of frequency conversion pumping system of oil lubricating system.
Background technique
Arrangement in lubricant pump is the core apparatus of oil lubricating system, is the key that safeguards system is continually and steadily run, mesh
Before, arrangement in lubricant pump often includes the types such as screw pump, gear pump with oil pump, and type oil pump generally described above belongs to constant displacement pump,
And the output flow of oil pump is generally equivalent to its input speed and the every product for turning discharge capacity of oil pump, therefore, in oil pump model and its drive
After dynamic motor speed is selected, the flow of lubrication of oil pump output is a more constant value.
And for the host equipment that oil lubricating system is serviced, not according to its product line and specifications and models
Together, required flow of lubrication is also different, this just causes the arrangement in lubricant pump model needed also more.To promote standardization,
For host equipment similar in partial discharge demand, the arrangement in lubricant pump of same model, such as two sets of demands point are generally used
Host equipment that Wei be 80 liters/min and 100 liters/min, its general matched arrangement in lubricant pump can just big selection output streams
The oil pump that amount is 100 liters/min.Therefore, the arrangement in lubricant pump of 100 liters/min of set uses and needs 80 liters/min of oil mass herein
Host equipment when, extra partial discharge generally directly flows back to fuel tank, causes energy waste.Meanwhile this is also affiliated row
The method generallyd use at present in industry field, the situation is tense for the energy waste of industry entirety.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, propose a kind of oil lubricating system
Frequency conversion pumping system, solve to cause Excess lubricating oil using its output flow of the arrangement in lubricant pump of quantitative oil pump is constant at present
Flow back to the problem of fuel tank in turn results in energy waste.And quick transformation can be carried out to existing arrangement in lubricant pump, promote effect
Rate reduces energy consumption.
The purpose of this utility model is realized by following technical proposals:
A kind of frequency conversion pumping system of oil lubricating system, comprising: grease pump, variable-frequency motor and frequency converter, the profit
Oil pump provides power by variable-frequency motor, and the variable-frequency motor is connected to power supply by frequency converter, to realize using existing
Grease pump, by adjust variable-frequency motor revolving speed, realize that the output flow of grease pump can adjust according to actual needs.
A kind of frequency conversion pumping system of oil lubricating system of the utility model, the frequency converter pass through programmable controller
It is controlled.
A kind of frequency conversion pumping system of oil lubricating system of the utility model is connected with pressure on the programmable controller
Sensor and flow sensor, the pressure sensor and flow sensor provide instruction source for the frequency conversion of variable-frequency motor.
A kind of frequency conversion pumping system of oil lubricating system of the utility model, the grease pump are quantitative oil pump.
According to the above technical scheme, the beneficial effects of the utility model are: proposing a kind of variable frequency pump of oil lubricating system
System is sent, solves to cause Excess lubricating oil to flow back to fuel tank using its output flow of the arrangement in lubricant pump of quantitative oil pump is constant at present
The problem of in turn resulting in energy waste.And quick transformation can be carried out to existing arrangement in lubricant pump, raising efficiency reduces energy
Consumption.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the frequency conversion pumping system of oil lubricating system of the utility model；
Fig. 2 is the schematic diagram that the utility model is applied to a kind of energy-saving and frequency-variable oil lubricating system.
Specific embodiment
The utility model is further described with attached drawing combined with specific embodiments below.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model
If Fig. 1-2 is the embodiment that the utility model is applied to a kind of energy-saving and frequency-variable oil lubricating system, a kind of frequency conversion section
Can oil lubricating system, comprising: fuel tank 1, the oil liquid in the fuel tank 1 by pumping system 2 and corresponding hydraulic component, and
And introduce the lubricating system that cooling system 3 forms and oil liquid is handled, finally lead to oil feed line 4 to target position and conveys satisfaction
It is required that oil liquid, the pumping system 2 is frequency conversion pumping system, can change according to the load at 4 end of oil feed line, loud in real time
Fuel supply flow rate should be adjusted, the frequency conversion pumping system includes: grease pump 21, and the grease pump 21 is mentioned by variable-frequency motor 22
For power, the variable-frequency motor 22 is connect by frequency converter 23 with power supply 24, the frequency converter 23 pass through programmable controller 5 into
Row controls, and is provided with pressure sensor 6 on the oil feed line 4, and the pressure sensor 6 is electrically connected with programmable controller 5,
Flow sensor 7 is provided on the oil feed line 4, the flow sensor 7 is electrically connected with programmable controller 5, the profit
Oil pump 21 is quantitative gear oil pump.
Working principle:
Because oil pump output flow (lubricating oil station fuel supply flow rate)=its Oil pump electrical machinery revolving speed × oil pump is every turns discharge capacity, pass through
The programmable controller (PLC) 5 exports 4~20mA signal and controls to adjust to 23 output frequency of frequency converter, further
The motor frequency and revolving speed of grease pump 21 with adjustable frequency motor 22 are adjusted, realized to arrangement in lubricant pump 21
Export the accurate control of oil mass.The fuel supply flow rate of oil lubricating system is realized according to the output flow of grease pump 21 according to master
Machine equipment needs the function that oil mass accurately controls.
The oil feed line 4 of the oil lubricating system is equipped with pressure sensor 6 and flow sensor 7, and the pressure passes
Sensor 6 and the flow sensor 7 can fuel supply flow rate real-time monitoring to oil lubricating system, and monitoring data can be passed through
Real-time Transmission is to the programmable controller 5 after conversion, by the programmable controller 5 to pressure sensor 6 and the stream
The data analysis of the acquisition conversion of quantity sensor 7, and carry out PID conversion and adjust, 4~20mA control is exported to frequency converter 23 later
Signal, and then the revolving speed of the grease pump 21 with variable-frequency motor 22 is adjusted in real time, it realizes to the output flow of grease pump 21
Adjustment in real time.So variation of the fuel supply flow rate of oil lubricating system according to its oil feed line flow and pressure, realizes in real time
Respond the purpose of adjustment.
When the monitoring data of pressure sensor 6 and the flow sensor 7 all reduce, by programmable controller 5
Conversion adjustment improves input frequency to grease pump 21, promotes revolving speed, increase its output flow.
When the monitoring data of pressure sensor 6 and the flow sensor 7 all increase, by programmable controller 5
Conversion adjustment reduces input frequency to grease pump 21, reduces revolving speed, reduce its output flow.
When 6 monitoring data of pressure sensor increase, and the monitoring data of flow sensor 7 reduce, then programmable controller 5
Issue warning note system jams failure.
When 6 monitoring data of pressure sensor reduce, and the monitoring data of flow sensor 7 increase, then programmable controller 5
Issue warning note system leakage failure.
Specifically, with a kind of 6~30 liters/min of output flow of gear oil pump apparatus example, quantitative gear oil pump discharge capacity
It is 12 milliliter/revolutions, i.e., often transferring outflow is 12 milliliters.Quantitative gear oil pump is driven by adjustable frequency motor 22, the variable-frequency electric
Motivation 22 controls frequency conversion by frequency converter 23, and the frequency converter 23 is connected to power supply 24.The adjustable frequency motor 22 is in frequency converter 23
Control under theoretical rotational speed can 120-3000 revs/min change, and frequency it is every promoted one hertz, revolving speed improve 60 turns；Institute
Stating gear oil pump minimum operating speed is 500 revs/min, and highest working speed is 2500 revs/min.According to the output stream of oil pump
Amount is equal to its input speed and the every product for turning discharge capacity of oil pump, and therefore, which can be 6
It liter/min adjusts to 30 liters/min, and frequency is every promotes one hertz, theoretical output flow improves 0.72 liter/min.The above knot
Fruit realizes host equipment to the accurate regulatory function of demand flow of lubrication substantially.Meanwhile needing oil mass at 6~30 liters/min
This arrangement in lubricant pump can be used in host equipment in range, greatly improves the standardized degree of arrangement in lubricant pump.
According to the above technical scheme, the beneficial effects of the utility model are: proposing a kind of energy-saving and frequency-variable oil lubricating system,
Solve at present conventional thin oil lubricating device because practical fuel supply flow rate with host is practical that oil mass is needed to mismatch, cause fuel delivery surplus,
Energy waste problem realizes the accurate control of thin oil lubricating device fuel supply flow rate.Meanwhile by further thin oil being combined to moisten
The Real-time Monitoring Data of sliding device oil-feed port pressure sensor and flow sensor feedback realizes thin oil lubricating device according to negative
Carrying variation leads to that oil mass is needed to change, and real-time response adjusts the purpose of fuel supply flow rate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of frequency conversion pumping system of oil lubricating system, it is characterised in that: include: grease pump (21), variable-frequency motor
(22) and frequency converter (23), the grease pump (21) provide power by variable-frequency motor (22), and the variable-frequency motor (22) is logical
It crosses frequency converter (23) to connect with power supply (24), to realize using existing grease pump (21), by adjusting variable-frequency motor
(22) revolving speed realizes that the output flow of grease pump (21) can adjust according to actual needs.
2. a kind of frequency conversion pumping system of oil lubricating system according to claim 1, it is characterised in that: the frequency converter
(23) it is controlled by programmable controller (5).
3. a kind of frequency conversion pumping system of oil lubricating system according to claim 2, it is characterised in that: the programming control
Pressure sensor (6) and flow sensor (7), the pressure sensor (6) and flow sensor (7) are connected on device (5) processed
Frequency conversion for variable-frequency motor (22) provides instruction source.
4. a kind of frequency conversion pumping system of oil lubricating system according to claim 1, it is characterised in that: the lubricating oil
Pumping (21) is quantitative oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722816.5U CN209100984U (en) | 2018-10-24 | 2018-10-24 | A kind of frequency conversion pumping system of oil lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722816.5U CN209100984U (en) | 2018-10-24 | 2018-10-24 | A kind of frequency conversion pumping system of oil lubricating system |
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| CN209100984U true CN209100984U (en) | 2019-07-12 |
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| CN201821722816.5U Active CN209100984U (en) | 2018-10-24 | 2018-10-24 | A kind of frequency conversion pumping system of oil lubricating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494489A (en) * | 2021-06-28 | 2021-10-12 | 洛阳中重自动化工程有限责任公司 | Lubricating system and method for self-adaptive adjustment of lubricating oil flow of speed reducer |
| CN114458933A (en) * | 2021-12-27 | 2022-05-10 | 大连橡胶塑料机械有限公司 | Intelligence banbury mixer lubricating system that economizes on fuel |
-
2018
- 2018-10-24 CN CN201821722816.5U patent/CN209100984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494489A (en) * | 2021-06-28 | 2021-10-12 | 洛阳中重自动化工程有限责任公司 | Lubricating system and method for self-adaptive adjustment of lubricating oil flow of speed reducer |
| CN114458933A (en) * | 2021-12-27 | 2022-05-10 | 大连橡胶塑料机械有限公司 | Intelligence banbury mixer lubricating system that economizes on fuel |
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