CN109578295A - A kind of quick start test macro of vertical DC oil pump - Google Patents
A kind of quick start test macro of vertical DC oil pump Download PDFInfo
- Publication number
- CN109578295A CN109578295A CN201811444187.9A CN201811444187A CN109578295A CN 109578295 A CN109578295 A CN 109578295A CN 201811444187 A CN201811444187 A CN 201811444187A CN 109578295 A CN109578295 A CN 109578295A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- fuel tank
- motor
- vertical
- quick start
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 26
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/18—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual dc motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of quick start test macros of vertical DC oil pump, it is characterised in that: including fuel tank, centrifugal pump, motor, check-valves, flowmeter, throttle valve, data acquisition cabinet and power cabinet；The present invention judges starting state by detecting Oil pump electrical machinery revolving speed, and define armature obtain it is electric to establishing time of 95% or more stabilized (steady-state) speed as the starting time, according to external design experiences, the time of direct current pump start should control within 1.2 seconds, pressure change requirement when can satisfy accident conditions in pump start and handoff procedure；Proposed in the present invention use reach 95% or more stabilized (steady-state) speed as judge motor whether complete starting condition.Obtained from armature it is electric larger to 95% or more the stabilized (steady-state) speed slope of curve, it is more gentle from 95% to rated speed rate；By test data can be more scientific instruct Oil pump electrical machinery type selecting.
Description
Technical field
The present invention relates to steam turbine field more particularly to a kind of quick start test macros of vertical DC oil pump.
Background technique
Novel steam unit lubrication oil supply system using main oil pump by 2 × 100% alternating current generators (mutual backup) dragging,
The layout type that critical oil pump is dragged by direct current generator.Since lubricating oil main oil pump is directly by motor drag, and require long-term
Operation and require quickly when failover, thus starting performance to motor and stable operation require it is high.
Whether present technology can only meet quick start by analysis of pressure changes Oil pump electrical machinery, cannot supply lubricating oil
The time of oil pump quick start measures.
Therefore, to solve the above problems, providing a kind of new technical solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of quick start test macros of vertical DC oil pump, can solve
Whether certainly present technology can only meet quick start by analysis of pressure changes Oil pump electrical machinery, cannot be to lubricating oil fuel feeding oil pump
The problem of time of quick start measures.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of quick start of vertical DC oil pump is tested
System, innovative point are: including fuel tank, centrifugal pump, motor, check-valves, flowmeter, throttle valve, data acquisition cabinet and moving
Power cabinet；
The centrifugal pump is arranged in fuel tank by oil pipe, and centrifugal pump is by motor drive；The output end of the centrifugal pump passes through
Pipeline has been sequentially connected in series check-valves, flowmeter and throttle valve, and the output end of throttle valve extends in fuel tank, and the throttle valve is stretched
The output end for entering fuel tank and the output end that motor protrudes into fuel tank are separated by partition in fuel tank；
The data acquisition cabinet and power cabinet pass through conducting wire and are connected on motor, are arranged between the check-valves and flowmeter
There is a pressure gauge；The tail end of the motor is equipped with rotating speed measuring sensor, is equipped on the branch bus of the power cabinet
Current sensor；String resistance module is provided on armature circuit in the power cabinet, the string resistance module includes level-one electricity
Resistance, second level resistance and three-level resistance, and can mutually switch between stage resistive, second level resistance and three-level resistance.
Further, the response time of the data acquisition cabinet, rotating speed measuring sensor and current sensor is at least
10ms。
Further, the armature obtains electric time≤1.2s that 95% stabilized (steady-state) speed is established to oil pump.
Further, the dash current≤5 times rated current.
The present invention has the advantages that
1) present invention by detect Oil pump electrical machinery revolving speed judge starting state, and define armature obtain it is electric to establish 95% or more stabilization
The time of revolving speed is the starting time, according to external design experiences, the time of direct current pump start should control 1.2 seconds with
Interior, when can satisfy accident conditions in pump start and handoff procedure pressure change requirement.
2) present invention in propose use reach 95% or more stabilized (steady-state) speed as judge motor whether complete start condition.
Obtained from armature it is electric larger to 95% or more the stabilized (steady-state) speed slope of curve, it is more gentle from 95% to rated speed rate；By testing number
According to can be more scientific instruct Oil pump electrical machinery type selecting.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structural schematic diagram of the quick start test macro of vertical DC oil pump of the invention.
Fig. 2 is that a kind of oil pump level-one string resistance of the quick start test macro of vertical DC oil pump of the invention starts control
Drawing.
Fig. 3 is that a kind of oil pump second level string resistance of the quick start test macro of vertical DC oil pump of the invention starts control
Drawing.
Fig. 4 is that a kind of oil pump three-level string resistance of the quick start test macro of vertical DC oil pump of the invention starts control
Drawing.
It is as shown in the figure: SB1: stop button；SB2: start button；KM1: main contactor；KM2:1 grades of resistance excision contacts
Device；KM3:2 grades of resistance cut off contactor；KT1:1 grades of resistance mute time relays；KT2:2 grades of resistance mute time relays；
R1:1 grades of resistance；A: current sensor.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of quick start test macro of vertical DC oil pump as shown in Figures 1 to 4, including fuel tank 1, centrifugal pump 2,
Motor 3, check-valves 4, flowmeter 5, throttle valve 6, data acquisition cabinet 7 and power cabinet 8.
Centrifugal pump 2 is arranged in fuel tank 1 by oil pipe, and centrifugal pump 2 is driven by motor 3；The output end of the centrifugal pump 2
It is sequentially connected in series check-valves 4, flowmeter 5 and throttle valve 6 by pipeline, and the output end of throttle valve 6 extends in fuel tank 1, institute
It states throttle valve 6 and protrudes into the output end that the output end of fuel tank 1 protrudes into fuel tank 1 with motor 3 and be separated by partition in fuel tank.
Data acquisition cabinet 7 and power cabinet 8 are connected on motor 3 by conducting wire, the check-valves 4 and flowmeter 5 it
Between be provided with a pressure gauge；The tail end of the motor 3 is equipped with rotating speed measuring sensor, the branch bus of the power cabinet 8
On current sensor is installed；String resistance module, the string resistance module packet are provided on armature circuit in the power cabinet
Stage resistive, second level resistance and three-level resistance are included, and can mutually be switched between stage resistive, second level resistance and three-level resistance.
The response time of data acquisition cabinet, rotating speed measuring sensor and current sensor is at least 10ms.
Armature obtains electric time≤1.2s that 95% stabilized (steady-state) speed is established to oil pump.
Dash current≤5 times rated current.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of quick start test macro of vertical DC oil pump, it is characterised in that: including fuel tank, centrifugal pump, motor, stop
Return valve, flowmeter, throttle valve, data acquisition cabinet and power cabinet；
The centrifugal pump is arranged in fuel tank by oil pipe, and centrifugal pump is by motor drive；The output end of the centrifugal pump passes through
Pipeline has been sequentially connected in series check-valves, flowmeter and throttle valve, and the output end of throttle valve extends in fuel tank, and the throttle valve is stretched
The output end for entering fuel tank and the output end that motor protrudes into fuel tank are separated by partition in fuel tank；
The data acquisition cabinet and power cabinet pass through conducting wire and are connected on motor, are arranged between the check-valves and flowmeter
There is a pressure gauge；The tail end of the motor is equipped with rotating speed measuring sensor, is equipped on the branch bus of the power cabinet
Current sensor；String resistance module is provided on armature circuit in the power cabinet, the string resistance module includes level-one electricity
Resistance, second level resistance and three-level resistance, and can mutually switch between stage resistive, second level resistance and three-level resistance.
2. a kind of quick start test macro of vertical DC oil pump according to claim 1, it is characterised in that: the number
Response time according to acquisition cabinet, rotating speed measuring sensor and current sensor is at least 10ms.
3. a kind of quick start test macro of vertical DC oil pump according to claim 1, it is characterised in that: the electricity
Pivot obtains electric time≤1.2s that 95% stabilized (steady-state) speed is established to oil pump.
4. a kind of quick start test macro of vertical DC oil pump according to claim 1, it is characterised in that: the punching
Hit electric current≤5 times rated current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444187.9A CN109578295A (en) | 2018-11-29 | 2018-11-29 | A kind of quick start test macro of vertical DC oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444187.9A CN109578295A (en) | 2018-11-29 | 2018-11-29 | A kind of quick start test macro of vertical DC oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578295A true CN109578295A (en) | 2019-04-05 |
Family
ID=65925690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811444187.9A Pending CN109578295A (en) | 2018-11-29 | 2018-11-29 | A kind of quick start test macro of vertical DC oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578295A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU27846U1 (en) * | 2002-08-26 | 2003-02-20 | Общество с ограниченной ответственностью "АЛНАС - Плюс" | TEST STAND FOR SUBMERSIBLE ELECTRIC CENTRIFUGAL PUMPS |
| CN104888396A (en) * | 2015-05-20 | 2015-09-09 | 重庆大学 | Method for detecting transient faults of fire pump in quick starting process |
| CN106121994A (en) * | 2016-08-29 | 2016-11-16 | 浙江华天机械有限公司 | A kind of lubricant pump test-bed |
| CN206099821U (en) * | 2016-06-24 | 2017-04-12 | 江苏江海润液设备有限公司 | Induction motor soft starter system for straight oil flow pump |
| CN108181109A (en) * | 2017-12-30 | 2018-06-19 | 天津曼科科技有限公司 | A kind of oil pump performance tests system |
| CN209539582U (en) * | 2018-11-29 | 2019-10-25 | 江苏江海润液设备有限公司 | A kind of quick start test macro of vertical DC oil pump |
-
2018
- 2018-11-29 CN CN201811444187.9A patent/CN109578295A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU27846U1 (en) * | 2002-08-26 | 2003-02-20 | Общество с ограниченной ответственностью "АЛНАС - Плюс" | TEST STAND FOR SUBMERSIBLE ELECTRIC CENTRIFUGAL PUMPS |
| CN104888396A (en) * | 2015-05-20 | 2015-09-09 | 重庆大学 | Method for detecting transient faults of fire pump in quick starting process |
| CN206099821U (en) * | 2016-06-24 | 2017-04-12 | 江苏江海润液设备有限公司 | Induction motor soft starter system for straight oil flow pump |
| CN106121994A (en) * | 2016-08-29 | 2016-11-16 | 浙江华天机械有限公司 | A kind of lubricant pump test-bed |
| CN108181109A (en) * | 2017-12-30 | 2018-06-19 | 天津曼科科技有限公司 | A kind of oil pump performance tests system |
| CN209539582U (en) * | 2018-11-29 | 2019-10-25 | 江苏江海润液设备有限公司 | A kind of quick start test macro of vertical DC oil pump |
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