A kind of converter valve is water-cooled equipment test device and its test method
[technical field]
The invention belongs to technical field of direct current power transmission, it is related to a kind of converter valve and is water-cooled equipment test device and its test
Method.
[background technique]
Direct current transportation field achieves significant progress in recent years, have every year a plurality of direct current transportation circuit put into production and
It uses.In addition to Traditional DC engineering persistently puts into construction, flexible direct current engineering has also obtained swift and violent development.Converter valve water cooling
But equipment is the important ancillary equipment of DC transmission engineering core equipment converter valve.No matter Traditional DC engineering and flexible direct current work
Journey, in the DC transmission engineering of any voltage class, converter valve is water-cooled the unfailing performance of equipment and stable operation is all
An important factor for DC transmission engineering even running.
Standard never unified before the experiment certification of converter valve water cooling equipment, each manufacturing enterprise is also mostly in enterprise
Inside is to look forward to being designated as standard, until China in 2013 is just proposed relevant national standard -- " GB/T30425-2013 high voltage direct current
Current transmission valve water cooling equipment ", but do not occur the water cooling equipment experimental rig of perfect in shape and function and test system in market so far
System.Presently relevant detection is mainly temporarily built test pipeline by manufacturing enterprise and carried out.There are many deficiencies in this scheme,
Mainly there is DATA REASONING in test there are borrow itself measuring instruments of test product water cooling equipment to carry out more, causes testing accuracy by test product
Itself accuracy of instrument restricts, and checking function is not perfect, examine equipment safety facility incomplete etc..
[summary of the invention]
The object of the present invention is to provide a kind of converter valves to be water-cooled equipment test device and its test method, solves existing
There is DATA REASONING in technology to borrow the progress of itself measuring instruments of test product water cooling equipment, causes testing accuracy by test product itself instrument
Precision restricts;The problem that checking function is not perfect and inspection equipment safety facility is incomplete.
To achieve the above object, the invention adopts the following technical scheme:
A kind of converter valve is water-cooled the experimental rig of equipment, including interior recirculated water measuring table, outer circulation water gaging are put down
Platform, pressure testing platform, power termination device, measurement monitoring system and master system;
The import and export of the interior recirculated water measuring table is connected to the confession of cold part in test product, on water return outlet, interior
Water resistance control valve is provided on the pipeline of recirculated water measuring table;It is provided on the pipeline of interior recirculated water measuring table and water resistance
The pH value transmitter of control valve parallel connection;
The outer circulation water gaging platform is connected to the outer water loop in test product outside cold part and test product between cold part
In;
The power termination device is connected in interior recirculated water measuring table, and in parallel with water resistance control valve;
The pressure testing platform both ends are connected on interior recirculated water measuring table by spare interface;For being carried out to test product
It moisturizing and suppresses;
The measurement monitoring system controls recirculated water measuring table, outer circulation water gaging platform, pressure in connection respectively
Test platform, power termination device, data monitoring and early warning to all measurement points of experimental rig;
The master system connection measurement monitoring system, to the remote operation and monitoring of test platform.
As a further improvement of the present invention, the interior recirculated water measuring table main body measures pipeline structure by interior recirculated water
At;It is circulating water intake pressure transmitter in being installed on interior recirculated water measurement entrance, interior circulating water intake temperature transmitter, interior
Circulating water flow transmitter and interior recirculated water conductivity transmitter;On pipe outlet install in circulating water outlet temperature transmitter and
Interior circulating water outlet pressure transmitter.
As a further improvement of the present invention, the water resistance control valve is in series by multiple valves.
As a further improvement of the present invention, the outer circulation water gaging main platform body is by outer circulation water gaging pipeline structure
At installation outer circulation water flow transmitter, outer circulation water inlet temperature transmitter and outer circulation water inlet on outer circulation water gaging
Temperature transmitter.
As a further improvement of the present invention, threeway is installed on the export pipeline of the outer circulation water flow transmitter
Valve, triple valve are connected to outer circulation water gaging import all the way.
As a further improvement of the present invention, the power termination device be multiple groups can independent control water-cooled resistance;
The import and export of power termination device is connected to interior recirculated water measuring table by spare interface, simultaneously with valve body water resistance control valve
Join, is respectively mounted control valve on the import and export of power termination device;Outlet is equipped with temperature sensor, and import is equipped with flow
Sensor.
As a further improvement of the present invention, the pressure testing platform is by force (forcing) pump and small pump and water tank structure
At the entery and delivery port of pressure testing platform is provided with valve.
As a further improvement of the present invention, the measurement monitoring system is by PLC host, touch screen and corresponding survey
Measure the measurement monitoring system of module composition.
A kind of test method for the experimental rig being water-cooled equipment based on the converter valve, comprising the following steps:
Simulation valve group by water resistance control valve and power termination unit simulation converter valve as test product water cooling equipment is adjusted
Test product water cooling equipment is saved to test operation condition, by experimental rig multiple measuring points measuring instrumentss to test product water cooling equipment
Operating parameter carry out comprehensive monitoring, while experimental rig is provided with early warning and defencive function, in the fortune of test product and experimental rig
It is issued warning signal in time when row abnormal parameters, protection act can be generated when serious.
Specifically includes the following steps:
When carrying out pressure testing, pressure testing platform is connected to interior recirculated water measuring table by spare interface;PH value is closed to become
The valve before and after device is sent, moisturizing is carried out to test product and experimental rig by the small pump of pressure testing platform, after the completion of moisturizing, is closed
Small pump, and close moisturizing pipeline valve;Test pressure is set on measurement monitoring host computer and starts adding for pressure testing platform
Press pump;After test product reaches test objective pressure, force (forcing) pump can be automatically closed, be then shut off capstan valve, and keep to examination
The time required to testing;
When heat exchange property is tested, set by water resistance control valve and power termination unit simulation converter valve as the cooling of test product water
Standby simulation valve group: cooling water water dispenser in starting test product, and it is adjusted to nominal operating conditions;Startup power load device, wait try
When cooling water temperature is risen to higher than outer cooling water temperature certain temperature in product, outer cooling water is made to start to flow and adjust flow and reach
To specified value;Monitoring system is measured to carry out full the operating parameter of test product water cooling equipment by the measuring instrumentss of multiple measurement points
Face monitoring and early warning and defencive function;The temperature for observing temperature point everywhere records temperature value everywhere after it is stablized;Meter
Calculation obtains the heat transfer coefficient of test product, completes heat exchange property test.
When hydraulic performance test, the valve before and after power termination device and pH value transmitter is closed, by water resistance control valve
It simulates valve group water resistance: recycling water dispenser in starting test product, it is made to work in specified water supply flow and pressure of supply water, adjust main pump outlet
The valve at place adjusts test product water supply flow and pressure, record measuring point into valve flow and pressure, judge whether it meets the requirements,
Complete hydraulic performance test;
When water quality measurement is tested, the valve before and after power termination device and pH value transmitter is closed, by water resistance control valve
It simulates valve group water resistance: recycling water dispenser in starting test product, it is made to work in declared working condition, open the valve before and after pH value transmitter,
After test product stable conditions, start test product deionization branch, when its flow reaches specified, starts timing and monitor interior cooling water
Conductivity and pH value, when as in interior cooling water stable conductivity to prescribed limit, record cooling water conductivity in test product, pH value and
Time completes test water quality measurement test;
When continuous service test, set by water resistance control valve and power termination unit simulation converter valve as the cooling of test product water
Standby simulation valve group: starting test product water cooling equipment makes its inside and outside water reach declared working condition, by measurement monitoring system to test product
Operating parameter carry out comprehensive monitoring and early warning and defencive function, while observing test product motor, pump, blower and heat exchanger fortune
Whether row is normal, keeps test product continuous operation to the time of test requirements document, completes continuous service test;
It carries out defencive function test and communication and interface test constantly, closes power termination device and pH value transmitter two
Side valve door simulates valve group water resistance by water resistance control valve: starting test product water dispenser passes through examination after making its operation to declared working condition
Product water cooling equipment host simulated failure situation, judges whether its defencive function meets design requirement, carries out defencive function test;
Whether the uplink and downlink information communication between detection test product water cooling plant host and its Protection control system are normal, are communicated
It is tested with interface.
Compared with the existing technology, the invention has the following advantages:
The present invention is filled by interior recirculated water measuring table, outer circulation water gaging platform, pressure testing platform, power termination
It sets, measure monitoring system and six part of master system composition, incorporate a variety of converter valve water cooling equipment type approval test functions
To an aggregation type test platform, all type approval test demands of the water cooling equipment in addition to EMC test can be met.The present invention is using integration
The aggregation type test platforms of a variety of test functions, test function multiplicity, cooperation earth resistance tester, noise-measuring instrument and
Insulate pressure tester then all pattern pilot projects of the achievable water cooling equipment in addition to EMC test.
Further, the present invention is provided with perfect early warning and defencive function, including abnormal parameters early warning and error protection function
Can, test product and testing equipment can be comprehensively protected, the security risk during test is excluded.
Further, the present invention is monitored using the measurement that third-party measuring instrument carries out test product parameter, it can be achieved that right completely
The standardized management of test measurement instrument, and test parameters and measurement accuracy are not influenced by test product water cooling equipment self-condition.
Further, the power of external cooler investment can be adjusted flexibly to cooperate different examinations by adjusting the aperture of triple valve
Proved recipe formula.
Test method of the invention is cooling as test product water by water resistance control valve and power termination unit simulation converter valve
The simulation valve group of equipment adjusts test product to test operation condition, by a variety of high-performance measuring instrumentss of experimental rig to test product
Operating parameter carries out comprehensive monitoring.Experimental rig is equipped with comprehensive early warning and defencive function simultaneously, when operating parameter exception can and
When issue warning signal, protection act can be generated when serious.And pressure testing, heat exchange property test, water can be carried out simultaneously
Power performance test, water quality measurement test, continuous service test, defencive function test and a variety of examinations such as communication and interface test
It tests.Solve in the prior art DATA REASONING borrow itself measuring instruments of test product water cooling equipment carry out, cause testing accuracy by
Test product itself accuracy of instrument restricts;The problem that checking function is not perfect and inspection equipment safety facility is incomplete.
[Detailed description of the invention]
Fig. 1 is overall structure diagram of the invention.
Wherein, 1, cold part outside test product;2, outer circulation water gaging platform;21, triple valve;22, outer circulation water flow pick-up
Device;23, outer circulation water inlet temperature transmitter;24, outer circulation water outlet temperature transmitter;3, cold part in test product;4, interior to follow
Ring water gaging platform;41, interior circulating water outlet pressure transmitter;42, interior circulating water outlet temperature transmitter;43, water resistance is adjusted
Valve;44, pH value transmitter;45, interior recirculated water conductivity transmitter;46, interior circulating water intake pressure transmitter;47, interior to follow
Ring water inlet temperature transmitter;48, interior circulating water flow transmitter;5, power termination device;51, power termination outlet temperature becomes
Send device;52, power termination flow transmitter;6, pressure testing platform;7, monitoring system is measured;8, master system.
[specific embodiment]
Below in conjunction with attached drawing of the invention, technical solution of the present invention is clearly and completely described.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example belongs to the range of this reality invention protection.
As shown in Figure 1, being experimental rig overall structure of the invention, experimental rig is followed by interior recirculated water measuring table 4, outside
Ring water gaging platform 2, pressure testing platform 6, power termination device 5 and measurement monitoring system 7,8 six part group of master system
At.In test, the import/export of interior recirculated water measuring table 4 is connected to confession/water return outlet of cold part in test product, outer circulation
Water gaging platform 2 is connected to outside the test product of test product water cooling plant in cold part 1, and power termination device 5 is parallel to water resistance regulating valve
Door 43 is connected to interior recirculated water measuring table 4.
Wherein, the main body of interior recirculated water measuring table 4 is made of interior recirculated water measurement pipeline.Circulating water flow in Pipe installing
Transmitter 48, interior recirculated water import/export temperature transmitter 47/42, interior recirculated water import/export pressure transmitter 46/41 and interior
Recirculated water conductivity transmitter 45, and the water resistance control valve 43 being made of multiple valves is installed for simulating valve body water in testing
Resistance and progress water resistance adjusting.Further include the pH value transmitter 44 in parallel with water resistance control valve 43 on pipeline, uses import/export
Parallel branch with valve carries out the real-time measurement of pH value, can be adjusted under extreme test situation the pressure of pH value measuring instrument with
Flow, and valve can be closed when system is run if necessary, pH value measuring instrument is cut out with protection instrument and test product.
The main body of outer circulation water gaging platform 2 is made of outer circulation water gaging pipeline.Pipe installing outer circulation water flow quantitative change
Device 22, outer circulation water import/export temperature transmitter 23/24 are sent, and the triple valve 21 that adjustable outer water flow shunts is installed.
The water route outlet of power termination device 5 is equipped with temperature sensor 51, and import is equipped with flow sensor 52.It uses
When interior recirculated water measuring table 4 is connected to by spare interface, it is in parallel with water resistance control valve 43.
6 main body of pressure testing platform is made of force (forcing) pump and small pump and water tank, and moisturizing can be carried out to test product and is suppressed.
And the setting of pressure testing goal pressure, force (forcing) pump meeting when being pressurized to goal pressure to test product can be carried out by measurement monitoring system
Pressurization is automatically stopped to prevent hypertonia caused by maloperation.
Measurement monitoring system can realize the data monitoring to all measurement points of experimental rig, and form data sheet.Simultaneously
It measures monitoring system and is equipped with perfect early warning and defencive function.It is made of PLC host, touch screen and corresponding measurement software and hardware
Measure monitoring system.The data monitoring to all measurement points of experimental rig can be achieved, and form data sheet.Monitoring is measured simultaneously
System is equipped with perfect early warning and defencive function, and early warning can be carried out to the abnormality of test product and test platform, serious in failure
When can generate protection act.
Master system is made of host computer computer and corresponding software system, passes through Ethernet and measurement monitoring system host
Be connected, it can be achieved that test platform remote operation and monitoring.
A kind of test method for the experimental rig being water-cooled equipment based on converter valve, comprising the following steps:
By water resistance control valve and power termination unit simulation converter valve as test product water cooling equipment when test carries out
Valve group is simulated, adjusts test product water cooling equipment to test operation condition, by a variety of high-performance measuring instrumentss of experimental rig to examination
The operating parameter of product water cooling equipment carries out comprehensive monitoring.Experimental rig is provided with comprehensive early warning and defencive function simultaneously, can
It is issued warning signal in time in the operating parameter exception of test product and experimental rig, protection act can be generated when serious.
When being tested using this experimental rig, specific step is as follows for main experimental project:
Pressure testing step:
1, test platform is correctly connect with test product, pressurized pump system is connected to interior follow by pre-reservation pressure test interface
Ring water gaging platform closes valve before and after pH meter measuring device;
2, pressure testing goal pressure is arranged by measurement monitoring system, and starts pressurized pump system, test product is increased
Pressure, after pressure reaches test pressure, booster pump is automatically stopped pressurization;
3, pressure testing interface valve is closed, test product pressure is monitored, completes pressure testing.
Water quality measurement test procedure:
1, test platform is correctly connect with test product, starts water replanishing device, made in pipeline full of supplementing water as defined in meeting,
Record amount of makeup water and initial conductivity;
2, after ensuring that pH value measurement circuit both ends valve is in the open state, start test product water dispenser, and adjust water resistance adjusting
Valve makes test product pressure of supply water and water supply flow reach rated value;
3, start test product deionization branch, when its flow reaches specified, start timing, and monitor interior cooling water conductivity
And pH value, when as in interior cooling water stable conductivity to prescribed limit, cooling water conductivity, pH value and time in test product are recorded,
Complete test water quality measurement test.
Hydraulic performance test step:
1, test platform is correctly connect with test product, starts water replanishing device, made in pipeline full of supplementing water as defined in meeting;
2, start test product main pump, and adjust water resistance control valve, test product is made to work in declared working condition;
3, water resistance control valve is adjusted, and is recorded into valve flow and pressure (measurement point is no less than 5), hydraulic performance is completed
Test.
Heat exchange property test procedure:
1, test platform is correctly connect with test product, starts water replanishing device, made in pipeline full of supplementing water as defined in meeting;
2, start main circulation pump, adjust interior cooling water flow to specified value;
3, startup power load device makes outer cold when interior cooling water temperature rises to higher than 10 DEG C of outer cooling water temperature
But water, which starts to flow and adjust flow, reaches specified value;
4, the temperature for observing thermometer everywhere records temperature value everywhere after it is stablized.Then, it is observed continuously
10min chooses the wherein temperature value of 3~5 time point records everywhere.According to calculating, the heat transfer coefficient of test product can be obtained, complete
Heat exchange property test.
Continuous service test step:
1, test platform is correctly connect with test product, starts water replanishing device, made in pipeline full of supplementing water as defined in meeting;
2, start test product, and adjust water resistance control valve, make its work in rated condition, monitor test product flow everywhere,
Pressure, temperature, conductivity and pH value;
3, whether normal the operation of the main components such as test product motor, pump, blower and heat exchanger is observed.
4, it keeps test product continuous operation to the time of test requirements document, completes continuous service test.
Specific experimental method is as follows:
When carrying out pressure testing, pressure testing platform 6 is connected to interior recirculated water measuring table 4 by spare interface.Close pH value
The valve of 44 front and back of transmitter.Moisturizing is carried out to test product and experimental rig by small pump, after the completion of moisturizing, closes small pump, and
Close moisturizing pipeline valve.Test pressure is set on measurement monitoring host computer and starts force (forcing) pump.Test product reaches test objective pressure
After power, force (forcing) pump can be automatically closed.Then capstan valve is turned off manually, and keeps to test required time.
It is cooling as test product water by water resistance control valve 43 and power termination unit simulation converter valve when heat exchange property is tested
The simulation valve group of equipment.Start cooling water water dispenser in test product, and is adjusted to nominal operating conditions.Startup power load 5, to test product
When interior cooling water temperature is risen to higher than 10 DEG C of outer cooling water temperature, outer cooling water is made to start to flow and adjust flow and reach regulation
Value.Comprehensive monitoring is carried out to the operating parameter of test product water cooling equipment by a variety of high-performance measuring instrumentss of experimental rig.Simultaneously
Experimental rig is provided with comprehensive early warning and defencive function, can issue in time in the operating parameter exception of test product and experimental rig
Pre-warning signal can generate protection act when serious.The temperature for observing thermometer everywhere records temperature everywhere after it is stablized
Value.Then, 10min is observed continuously, chooses the wherein temperature value of 3~5 time point records everywhere.According to calculating, can be tried
The heat transfer coefficient of product completes heat exchange property test.
When hydraulic performance test, power termination device and pH value transmitter import/export valve are closed, by water resistance control valve
Simulate valve group water resistance.Start and recycle water dispenser in test product, it is made to work in specified water supply flow and pressure of supply water.Adjust main pump outlet
The valve at place adjusts test product water supply flow and pressure.It records into valve flow and pressure (measurement point is no less than 5), judges that it is
It is no to meet design requirement, complete hydraulic performance test.
When water quality measurement is tested, power termination device 5 and pH value transmitter import/export valve are closed, by water resistance regulating valve
Door simulation valve group water resistance.Start and recycle water dispenser in test product, it is made to work in declared working condition.Open pH value transmitter disengaging/mouth valve
Door.After test product stable conditions, start test product deionization branch, when its flow reaches specified, starts timing and monitor interior cold
But water conductivity and pH value.When as in interior cooling water stable conductivity to prescribed limit, cooling water conductivity, pH in test product are recorded
Value and time complete test water quality measurement test.
When continuous service test, converter valve is simulated as test product water cooling by water resistance control valve 43 and power termination device 5
But the simulation valve group of equipment.Start test product water cooling equipment, its inside and outside water is made to reach declared working condition.By experimental rig to test product
Operating parameter carry out comprehensive monitoring.Simultaneously by the comprehensive early warning of experiment device and defencive function, to test product and experimental rig into
Row early warning protection.It is whether normal that the operation of the main components such as test product motor, pump, blower and heat exchanger is observed simultaneously.Keep examination
Product continuous operation completes continuous service test to the time of test requirements document.
When carrying out defencive function test and communication and interface test, power termination device and pH value transmitter two sides valve
It closes, valve group water resistance is simulated by water resistance control valve.Start test product water dispenser, after making its operation to declared working condition, passes through test product
Water cooling equipment host simulated failure situation, judges whether its defencive function meets design requirement, carries out defencive function test.Inspection
Whether uplink between test article water cooling plant host and its Protection control system and downlink information communication normal, carry out communication and
Interface test.
It as shown in table 1, is water cooling equipment LWA750-109F continuous service test data record.
Table 1
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.