CN209539582U - 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
- CN209539582U CN209539582U CN201821986721.4U CN201821986721U CN209539582U CN 209539582 U CN209539582 U CN 209539582U CN 201821986721 U CN201821986721 U CN 201821986721U CN 209539582 U CN209539582 U CN 209539582U
- Authority
- CN
- China
- Prior art keywords
- oil pump
- fuel tank
- motor
- vertical
- resistance
- 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.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model 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 utility model 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 utility model 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 utility model 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.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of quick start test macro of vertical DC oil pump, energy
Enough solve whether present technology can only meet quick start by analysis of pressure changes Oil pump electrical machinery, it cannot be to lubricating oil fuel feeding
The problem of time of oil pump quick start measures.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of quick start of vertical DC oil pump
Test macro, innovative point are: acquiring cabinet including fuel tank, centrifugal pump, motor, check-valves, flowmeter, throttle valve, data
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
It is sequentially connected in series check-valves, flowmeter and throttle valve by pipeline, and the output end of throttle valve extends in fuel tank, the throttling
Valve protrudes into the output end of fuel tank and the output end that motor protrudes into fuel tank is separated by partition in fuel tank；
The data acquisition cabinet and power cabinet pass through conducting wire and are connected on motor, between the check-valves and flowmeter
It is provided with a pressure gauge；The tail end of the motor is equipped with rotating speed measuring sensor, pacifies on the branch bus of the power cabinet
Equipped with current sensor；String resistance module is provided on armature circuit in the power cabinet, the string resistance module includes one
Grade 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.
Utility model has the advantages that
1) the utility model judges starting state by detecting Oil pump electrical machinery revolving speed, and define armature obtain it is electric to establishing 95%
The time of the above stabilized (steady-state) speed is the starting time, and according to external design experiences, the time of direct current pump start should be controlled
Pressure change requirement within 1.2 seconds, when can satisfy accident conditions in pump start and handoff procedure.
2) proposed in the utility model use reach 95% or more stabilized (steady-state) speed as judge motor whether complete starting item
Part.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；Pass through test
Data can be more scientific instruct Oil pump electrical machinery type selecting.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached 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 utility model.
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 utility model opens
Dynamic control figure.
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 utility model opens
Dynamic control figure.
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 utility model opens
Dynamic control figure.
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 utility model be more fully understood, but therefore will not
The utility model is 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 utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (3)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986721.4U CN209539582U (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 |
|---|---|---|---|
| CN201821986721.4U CN209539582U (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 |
|---|---|
| CN209539582U true CN209539582U (en) | 2019-10-25 |
Family
ID=68262722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821986721.4U Active CN209539582U (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) | CN209539582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578295A (en) * | 2018-11-29 | 2019-04-05 | 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 CN201821986721.4U patent/CN209539582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578295A (en) * | 2018-11-29 | 2019-04-05 | 江苏江海润液设备有限公司 | A kind of quick start test macro of vertical DC oil pump |
| CN109578295B (en) * | 2018-11-29 | 2024-06-11 | 江苏江海润液设备有限公司 | Quick start test system of vertical direct current oil pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201955405U (en) | Frequency converter load testing system | |
| CN103941142A (en) | Switched reluctance motor power converter fault diagnosis phase current integration method | |
| CN1321328C (en) | Wavelet diagnostic system for initial failure of electromotor and method for diagnosing malfunction of electromotor | |
| CN209539582U (en) | A kind of quick start test macro of vertical DC oil pump | |
| CN106199428A (en) | High-power double feed wind power generator pilot system and TT&C system thereof | |
| CN102868178B (en) | Method for improving grid-connected transient stability in wind power plant voltage automatic control system | |
| CN101882798A (en) | LVRT test control device | |
| CN106768532A (en) | A kind of pitch motor torque output capability appraisal procedure and test system | |
| CN210564905U (en) | Comprehensive testing device of double-fed wind generating set | |
| CN205333818U (en) | Wind generating set does not have sensor failure diagnostic system based on DSP | |
| CN204984826U (en) | Multi -functional oil -field flooding pump unperturbed switches monitoring device | |
| CN203086158U (en) | Stirling engine unit equipment and testing equipment thereof | |
| CN109578295A (en) | A kind of quick start test macro of vertical DC oil pump | |
| CN101012041A (en) | Escalator energy-saving control process and apparatus | |
| CN203464957U (en) | Device for monitoring operation state of off-grid wind power generation system | |
| CN215339921U (en) | Low-rotation-speed detection device for aeroderivative gas turbine generator | |
| CN201774273U (en) | Double-PWM vector control doubly-fed wind power converter | |
| CN205315053U (en) | Gas turbine generator's rotational speed controlling means | |
| CN102570790B (en) | A kind of low-temperature starting method for wind power current transformer | |
| CN203800569U (en) | Optically-coupled isolation motor fault detection sampling circuit | |
| CN202522679U (en) | Single-phase photovoltaic inverter relay failure detecting device | |
| CN207301746U (en) | Integral type peculiar to vessel monitors computer | |
| CN220040685U (en) | Test circuit for overhauling state of double-speed motor by using wind power plant | |
| CN109538462B (en) | Quick start testing method for vertical direct-current pump | |
| CN217133319U (en) | Portable relay automatic detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |