CN201438168U - Testing machine for hose pulse and temperature characteristics - Google Patents
Testing machine for hose pulse and temperature characteristics Download PDFInfo
- Publication number
- CN201438168U CN201438168U CN2009201098980U CN200920109898U CN201438168U CN 201438168 U CN201438168 U CN 201438168U CN 2009201098980 U CN2009201098980 U CN 2009201098980U CN 200920109898 U CN200920109898 U CN 200920109898U CN 201438168 U CN201438168 U CN 201438168U
- Authority
- CN
- China
- Prior art keywords
- cold water
- hot water
- pipe
- water
- testing machine
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a testing machine for hose pulse and temperature characteristics. The testing machine comprises a hot water tank, a cold water tank, two water pumps and a test unit, wherein water outlets of the hot water tank and the cold water tank are respectively connected with a water inlet pipe of the test unit through a hot water outlet pipe and a cold water outlet pipe; the two water pumps are respectively arranged on the hot water outlet pipe and the cold water outlet pipe; and the water outlet pipe of the test unit is respectively connected with water returns of the hot water tank and the cold water tank through a hot water return pipe and a cold water return pipe. The testing machine is designed for the tests of the hose pulse and the temperature characteristics and the whole equipment has compact structure and reasonable layout; by adopting a touch screen data display and operation interface, the testing machine has human-centered design and easy operation; by adopting a PLC control system, the testing machine has accurate control and high working efficiency; the testing machine adopts a double-water tank double-pipeline control system with mutual independence; and the testing machine utilizes a solenoid valve switch and has long service life and fast response, therefore the service performance of the whole system is greatly improved, and the testing machine has higher cost-performance ratio.
Description
Technical field
The utility model relates to a kind of flexible pipe pulse and temperature characterisitic testing machine, belongs to the electromechanical equipment field.
Background technology
At present, existing hose test machine mostly is impulse testing machine and burst pressure tests machine, only can test detection at a kind of performance of flexible pipe to be tested, in the time will testing detection to other characteristic of flexible pipe, as temperature characterisitic, flexible pipe to be measured need be transferred on other corresponding testing machine again and be detected test, bring great inconvenience to the testing staff.
The utility model content
Be to solve the above-mentioned defective of prior art, the utility model provides a kind of flexible pipe pulse and temperature characterisitic testing machine, this testing machine with the pulse testing of flexible pipe and temperature characterisitic test set, compact conformation, rationally distributed, made things convenient for the carrying out of testing experiment.
The technical solution adopted in the utility model: a kind of flexible pipe pulse and temperature characterisitic testing machine, comprise boiler, cold water storage cistern, two water pumps and test cell, the water delivering orifice of described boiler and cold water storage cistern is connected the water inlet pipe of described test cell respectively with the cold water rising pipe by the hot water outlet pipe, described two water pumps are separately positioned on described hot water outlet pipe and the cold water rising pipe, and the rising pipe of described test cell is connected the water return outlet of described boiler and cold water storage cistern respectively by hot water return pipe and cold-water return pipe.
Described test cell comprises several testing conduits, described several testing conduits connect the water inlet pipe of described test cell by mode one end of parallel connection, the other end connects the rising pipe of described test cell, and the water inlet pipe of described test cell is provided with the flowmeter of gathering its internal flow flow signal.
Test hose is connected on the described testing conduit.
One side of the water inlet pipe of the close described test cell of described testing conduit is provided with the testing conduit solenoid valve of controlling its switching and controls the flow switch of described test hose water inlet, and a side of the rising pipe of close described test cell is provided with the pressure of the described test hose inner fluid of adjusting and the test hose manual modulation valve of flow.
Be respectively equipped with the frequency converter of the described pump working frequency of scalable on described two water pumps.
Also be respectively equipped with hot water effluent arm in parallel and cold water exit branch between described boiler and cold water storage cistern and the described test cell with described hot water outlet pipe and cold water rising pipe, be respectively equipped with on described hot water effluent's arm and the cold water exit branch when described frequency converter is set certain frequency, regulate the manual modulation valve of its internal fluid pressure and flow.
Be respectively equipped with the hot water electromagnetic valve of its switching of may command on described hot water outlet pipe and the hot water return pipe, be respectively equipped with the cold water solenoid valve of its switching of may command on described cold water inlet and the cold water rising pipe.
The rising pipe of described test cell is provided with the pressure transducer of gathering its internal fluid pressure signal, gathers the temperature sensor of its internal flow temperature signal, controls the impulse electromagnetic valve of its switching and regulate the total pipeline manual modulation valve of some testing conduit inner fluid general pressures and total flow according to the pulse parameter of setting when pulse testing.
Described boiler and cold water storage cistern are respectively equipped with the liquid level gauge of its inner liquid level of test, also be provided with the boiler temperature sensor of gathering its internal liquid temperature signal in the described boiler and can be the well heater that liquid heats in the described boiler, described boiler and cold water storage cistern also are respectively equipped with hot water inlet pipe, hot water drainpipe and cold water inlet and the cold water drainpipe that is used for water tank water intake and draining, be respectively equipped with water intaking valve on described hot water inlet pipe and the cold water inlet, be respectively equipped with draining valve on described hot water drainpipe and the cold water drainpipe.
Described flexible pipe pulse and temperature characterisitic testing machine also comprise the PLC Programmable Logic Controller, described PLC Programmable Logic Controller connects described impulse electromagnetic valve, hot water electromagnetic valve, cold water solenoid valve, testing conduit solenoid valve, frequency converter, water pump and well heater by control circuit, connect described pressure transducer, temperature sensor, flowmeter, liquid level gauge and boiler temperature sensor by signaling conversion circuit, described PLC Programmable Logic Controller is provided with the touching display screen that can import various parameters and control signal and be used to show operational data, duty and operation interface.
The beneficial effects of the utility model: the utility model is to test and design at the pulse testing of flexible pipe and temperature variation characteristic, and whole equipment is elegant in appearance, and compact conformation is rationally distributed; Adopt the PLC control system, control is accurate, high efficiency; Adopt the Humanity Design of screen displaying data and operation interface, handled easily; Use two water tanks, dual circuit control system, independent each other; Utilize the solenoid valve long service life, respond fast advantage, improved the usability of equipment set greatly, have high cost performance.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
A kind of flexible pipe pulse and temperature characterisitic testing machine, comprise boiler 1, cold water storage cistern 2, two water pumps 3 and test cells, the water delivering orifice of described boiler and cold water storage cistern is connected the water inlet pipe of described test cell respectively with the cold water rising pipe by the hot water outlet pipe, described two water pumps are separately positioned on described hot water outlet pipe and the cold water rising pipe, and the rising pipe of described test cell is connected the water return outlet of described boiler and cold water storage cistern respectively by hot water return pipe and cold-water return pipe.Hot water and cold water in described boiler and the cold water storage cistern provide pressure by water pump, and enter test cell by described hot water outlet pipe and cold water rising pipe, return described boiler and cold water storage cistern by hot water return pipe and cold-water return pipe again.
Described test cell comprises several testing conduits, described testing conduit is generally 5, described several testing conduits connect the water inlet pipe of described test cell by mode one end of parallel connection, the other end connects the rising pipe of described test cell, and the water inlet pipe of described test cell is provided with the flowmeter 13 of gathering its internal flow flow signal.
Test hose is connected on the described testing conduit.Hot water and cold water enter described test hose after by described test cell water inlet pipe and test.
One side of the water inlet pipe of the close described test cell of described testing conduit is provided with the testing conduit solenoid valve 8 of controlling its switching and controls the flow switch 14 of described test hose water inlet, and a side of the rising pipe of close described test cell is provided with the pressure of the described test hose inner fluid of adjusting and the test hose manual modulation valve 15 of flow.When described some test hose wherein one the described test hose solenoid valve of this test hose front end can cut out automatically when occurring breaking, prevent the rent ejection of hot water or cold water from described test hose.
Be respectively equipped with the frequency converter 4 of the described pump working frequency of scalable on described two water pumps, control described pump working according to testing machine real-time working situation.
Also be respectively equipped with hot water effluent arm in parallel and cold water exit branch between described boiler and cold water storage cistern and the described test cell with described hot water outlet pipe and cold water rising pipe, be respectively equipped with on described hot water effluent's arm and the cold water exit branch when described frequency converter is set certain frequency, regulate the manual modulation valve 10 of its internal fluid pressure and flow.After described frequency converter configures frequency of operation, can make it satisfy the condition of testing experiment by hydrodynamic pressure and the flow in described hot water outlet pipe of described manual adjustments valve regulation and the cold water rising pipe.
Be respectively equipped with the hot water electromagnetic valve 6 of its switching of may command on described hot water outlet pipe and the hot water return pipe, be respectively equipped with the cold water solenoid valve 7 of its switching of may command on described cold water inlet and the cold water rising pipe.When carrying out pulse testing, described cold water closed electromagnetic valve, described hot water electromagnetic valve opens; When carrying out temperature characterisitic when test, when needs hot water during by described test hose, described hot water electromagnetic valve opens, described cold water closed electromagnetic valve, and when needs cold water passed through described testing conduit, described hot water electromagnetic valve closed, and described cold water solenoid valve is opened.
The rising pipe of described test cell is provided with the pressure transducer 11 of gathering its internal fluid pressure signal, gathers the temperature sensor 12 of its internal flow temperature signal, controls the impulse electromagnetic valve 5 of its switching and regulate the total pipeline manual modulation valve 9 of some testing conduit general pressures and total flow according to the pulse parameter of setting when pulse testing.Analyze the signal that described pressure transducer and temperature sensor collect, general pressure and total flow by the described some testing conduit inner fluids of described total pipeline manual adjustments valve regulation, make it satisfy testing requirements, also can finely tune the pressure and the flow of the fluid in each test hose by the manual modulation valve on the described testing conduit.
Described boiler and cold water storage cistern are respectively equipped with the liquid level gauge of its inner liquid level of test, also be provided with the boiler temperature sensor 17 of gathering its internal liquid temperature signal in the described boiler and can be the well heater 16 that liquid heats in the described boiler, described boiler and cold water storage cistern also are respectively equipped with hot water inlet pipe, hot water drainpipe and cold water inlet and the cold water drainpipe that is used for water tank water intake and draining, described hot water inlet pipe and cold water inlet are provided with water intaking valve, and described hot water drainpipe and cold water drainpipe are provided with draining valve.Described liquid level gauge is gathered the liquid level signal in described boiler and the cold water storage cistern, when the liquid level in boiler or the cold water storage cistern is crossed when low, can carry out moisturizing to described boiler or cold water storage cistern by described hot water inlet pipe or cold water inlet, after finishing, test can hot water in described boiler and the cold water storage cistern and cold water be discharged described boiler and cold water storage cistern by described hot water drainpipe and cold water drainpipe, analyze hot water temperature's signal that described boiler temperature sensor is gathered, when water temperature does not reach testing requirements, by described well heater the hot water in the boiler is heated, when water temperature is higher than testing requirements, can the hot water in the described boiler be discharged a part by described hot water drainpipe.
Described flexible pipe pulse and temperature characterisitic testing machine also comprise the PLC Programmable Logic Controller, described PLC Programmable Logic Controller connects described impulse electromagnetic valve by control circuit, the hot water electromagnetic valve, the cold water solenoid valve, the testing conduit solenoid valve, water intaking valve, draining valve, frequency converter, water pump and well heater, connect described pressure transducer by signaling conversion circuit, temperature sensor, flowmeter, liquid level gauge and boiler temperature sensor, described PLC Programmable Logic Controller are provided with can be imported various parameters and control signal and be used to show operational data, the touching display screen of duty and operation interface.Described PLC Programmable Logic Controller is analyzed the corresponding signal that each harvester is gathered, control each executive component according to the situation of carrying out in real time of test and carry out work, comprise the opening and closing of each solenoid valve, the operation of water pump and stopping, described well heater to water in the described boiler heat with described boiler or cold water storage cistern in water level cross and open described water intaking valve when low, by described hot water inlet pipe or cold water inlet is the water tank moisturizing, when reaching a certain height, water level stops moisturizing automatically, open described draining valve when water temperature is too high in the described boiler, discharge a part of hot water by described hot water drainpipe, realize control automatically.The staff can carry out necessary control by the operation interface that shows on the described touching display screen to test by required special parameter and the control signal of described touching display screen input test.
Before the test start, install described test hose, check and supply water whether power normal, whether ground connection is good.
Flexible pipe pulse cycle test: after the start, set testing required call parameter by described touching display screen, and open described some testing conduit solenoid valves by the operation interface that described touching display screen shows, the hot water electromagnetic valve, the heater switch of impulse electromagnetic valve and described well heater, and open heat-exchanger pump on the described hot water outlet pipe, regulate the frequency of operation of described heat-exchanger pump by described frequency converter, be generally 48Hz, when described heat-exchanger pump moves, close described impulse electromagnetic valve, adjusting frequency and making pressure of supply water is about 1.23MPa, reach the force value of test, observe described test hose and whether leak, find to leak and in time to tighten, open described impulse electromagnetic valve, observe pressure of supply water whether about 0.45MPa, can finely tune by described test hose manual modulation valve, make it to reach test pressure, observe water supply flow whether about 0.4L/s, can finely tune by described test hose manual modulation valve, make it to reach test flow.
Set by the number of run of described touching display screen paired pulses cyclic test and the parameter of intercycle; determine to begin after errorless test; the described impulse electromagnetic valve of close; continue the intercycle setting-up time; the described impulse electromagnetic valve of opening/closing continues the intercycle setting-up time, and counting once; behind the number of run of finishing setting, auto stop.In cyclic process; whether described PLC Programmable Logic Controller can detect described test hose automatically and break; break if having; automatically report to the police and close the testing conduit solenoid valve of this test hose correspondence; stop the test of this flexible pipe, and preserve the test number (TN) when breaking, all the other test hose continue test; if described some test hose are all broken, report to the police automatically and auto stop.Open described draining valve after test is finished, the water in described boiler and the cold water storage cistern is drained, carry out cleaning by described hot water drainpipe and cold water drainpipe.
Flexible pipe temperature characterisitic test: after the start, set testing required call parameter by described touching display screen, and open described some testing conduit solenoid valves by the operation interface that described touching display screen shows, the hot water electromagnetic valve, the heater switch of impulse electromagnetic valve and described well heater, and open heat-exchanger pump on the described hot water outlet pipe, regulate the frequency of operation of described heat-exchanger pump by described frequency converter, be generally 48Hz, when described heat-exchanger pump moves, close described impulse electromagnetic valve, adjusting frequency and making pressure of supply water is about 1.23MPa, reach the force value of test, whether observe described test hose leaks, discovery is leaked and should in time be tightened, open described impulse electromagnetic valve, observe pressure of supply water whether about 0.45MPa, can finely tune, make it to reach test pressure by described test hose manual modulation valve.Close described hot water electromagnetic valve, open the water supply pump on the described cold water rising pipe, regulate the frequency of operation of described heat-exchanger pump by described frequency converter, be generally 48Hz, when described water supply pump moves, close described impulse electromagnetic valve, adjusting frequency and making pressure of supply water is about 1.23MPa, reach the force value of test, observe described test hose and whether leak, find to leak and in time to tighten, open described impulse electromagnetic valve, observe pressure of supply water whether about 0.45MPa, can finely tune, make it to reach test pressure by described test hose manual modulation valve.Close described cold water solenoid valve.
Set by the number of run of described touching display screen paired pulses cyclic test and the parameter of intercycle; determine to begin after errorless test; the described hot water electromagnetic valve of opening/closing, close the are described logical hot water/cold water of the described test hose of cold water solenoid valve; continue the intercycle setting-up time; the described cold water solenoid valve of opening/closing, the logical cold water/hot water of the described test hose of the described hot water electromagnetic valve of close; continue the intercycle setting-up time; numeration once; behind the number of run of finishing setting, auto stop.In cyclic process; whether described PLC Programmable Logic Controller can detect described test hose automatically and break; break if having; automatically report to the police and close the testing conduit solenoid valve of this test hose correspondence; stop the test of this flexible pipe, and preserve the test number (TN) when breaking, all the other test hose continue test; if described some test hose are all broken, report to the police automatically and auto stop.Open described draining valve after test is finished, the water in described boiler and the cold water storage cistern is drained, carry out cleaning by described hot water drainpipe and cold water drainpipe.
Claims (10)
1. flexible pipe pulse and temperature characterisitic testing machine, it is characterized in that comprising boiler, cold water storage cistern, two water pumps and test cell, the water delivering orifice of described boiler and cold water storage cistern is connected the water inlet pipe of described test cell respectively with the cold water rising pipe by the hot water outlet pipe, described two water pumps are separately positioned on described hot water outlet pipe and the cold water rising pipe, and the rising pipe of described test cell is connected the water return outlet of described boiler and cold water storage cistern respectively by hot water return pipe and cold-water return pipe.
2. flexible pipe pulse as claimed in claim 1 and temperature characterisitic testing machine, it is characterized in that described test cell comprises several testing conduits, described several testing conduits connect the water inlet pipe of described test cell by mode one end of parallel connection, the other end connects the rising pipe of described test cell, and the water inlet pipe of described test cell is provided with the flowmeter of gathering its internal flow flow signal.
3. flexible pipe pulse as claimed in claim 2 and temperature characterisitic testing machine is characterized in that test hose is connected on the described testing conduit.
4. flexible pipe pulse as claimed in claim 3 and temperature characterisitic testing machine, a side that it is characterized in that the water inlet pipe of the close described test cell of described testing conduit is provided with the testing conduit solenoid valve of controlling its switching and controls the flow switch that described test hose is intake, and a side of the rising pipe of close described test cell is provided with the pressure of the described test hose inner fluid of adjusting and the test hose manual modulation valve of flow.
5. flexible pipe pulse as claimed in claim 1 and temperature characterisitic testing machine is characterized in that being respectively equipped with on described two water pumps the frequency converter of the described pump working frequency of scalable.
6. flexible pipe pulse as claimed in claim 1 and temperature characterisitic testing machine, it is characterized in that also being respectively equipped with hot water effluent arm in parallel and cold water exit branch between described boiler and cold water storage cistern and the described test cell with described hot water outlet pipe and cold water rising pipe, be respectively equipped with on described hot water effluent's arm and the cold water exit branch when described frequency converter is set certain frequency, regulate the manual modulation valve of its internal fluid pressure and flow.
7. flexible pipe pulse as claimed in claim 1 and temperature characterisitic testing machine, it is characterized in that being respectively equipped with on described hot water outlet pipe and the hot water return pipe hot water electromagnetic valve of its switching of may command, be respectively equipped with the cold water solenoid valve of its switching of may command on described cold water inlet and the cold water rising pipe.
8. flexible pipe pulse as claimed in claim 1 and temperature characterisitic testing machine is characterized in that the rising pipe of described test cell is provided with the pressure transducer of its internal fluid pressure signal of collection, gathers the temperature sensor of its internal flow temperature signal, controls the impulse electromagnetic valve of its switching and regulate the total pipeline manual modulation valve of some testing conduit inner fluid general pressures and total flow according to the pulse parameter of setting when pulse testing.
9. as claim 1,2,3,4,5,6,7 or 8 described flexible pipe pulse and temperature characterisitic testing machines, it is characterized in that described boiler and cold water storage cistern are respectively equipped with the liquid level gauge of its inner liquid level of test, also be provided with the boiler temperature sensor of gathering its internal liquid temperature signal in the described boiler and can be the well heater that liquid heats in the described boiler, described boiler and cold water storage cistern also are respectively equipped with the hot water inlet pipe who is used for water tank water intake and draining, hot water drainpipe and cold water inlet and cold water drainpipe, be respectively equipped with water intaking valve on described hot water inlet pipe and the cold water inlet, be respectively equipped with draining valve on described hot water drainpipe and the cold water drainpipe.
10. flexible pipe pulse as claimed in claim 9 and temperature characterisitic testing machine, it is characterized in that also comprising the PLC Programmable Logic Controller, described PLC Programmable Logic Controller connects described impulse electromagnetic valve by control circuit, the hot water electromagnetic valve, the cold water solenoid valve, the testing conduit solenoid valve, frequency converter, water pump and well heater, connect described pressure transducer by signaling conversion circuit, temperature sensor, flowmeter, liquid level gauge and boiler temperature sensor, described PLC Programmable Logic Controller are provided with can be imported various parameters and control signal and be used to show operational data, the touching display screen of duty and operation interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201098980U CN201438168U (en) | 2009-07-23 | 2009-07-23 | Testing machine for hose pulse and temperature characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201098980U CN201438168U (en) | 2009-07-23 | 2009-07-23 | Testing machine for hose pulse and temperature characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438168U true CN201438168U (en) | 2010-04-14 |
Family
ID=42400142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201098980U Expired - Lifetime CN201438168U (en) | 2009-07-23 | 2009-07-23 | Testing machine for hose pulse and temperature characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438168U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735437A (en) * | 2012-07-03 | 2012-10-17 | 福建闽机机械科技有限公司 | Test machine for service life of valve core of water heating product |
| CN102735290A (en) * | 2012-07-03 | 2012-10-17 | 福建闽机机械科技有限公司 | Flow testing machine of water heating product |
| CN103048208A (en) * | 2012-12-18 | 2013-04-17 | 江苏环力科技发展有限公司 | Diaphragm life-test rack |
| CN103063455A (en) * | 2012-12-21 | 2013-04-24 | 江苏环力科技发展有限公司 | Water source automatic switchover general testing platform |
| CN103884611A (en) * | 2014-03-25 | 2014-06-25 | 上海出入境检验检疫局机电产品检测技术中心 | Pressure testing device of pressure-bearing systems and members |
| CN104007031A (en) * | 2014-05-26 | 2014-08-27 | 格力电器（武汉）有限公司 | Volume device pulse experiment equipment and control method thereof |
| CN105181475A (en) * | 2015-10-28 | 2015-12-23 | 四川杰特机器有限公司 | Impulse test system supercharged through servo electric cylinder |
| CN108225891A (en) * | 2017-11-30 | 2018-06-29 | 广州特种承压设备检测研究院 | A kind of high and low temperature medium circulation test device and method |
-
2009
- 2009-07-23 CN CN2009201098980U patent/CN201438168U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735437A (en) * | 2012-07-03 | 2012-10-17 | 福建闽机机械科技有限公司 | Test machine for service life of valve core of water heating product |
| CN102735290A (en) * | 2012-07-03 | 2012-10-17 | 福建闽机机械科技有限公司 | Flow testing machine of water heating product |
| CN103048208A (en) * | 2012-12-18 | 2013-04-17 | 江苏环力科技发展有限公司 | Diaphragm life-test rack |
| CN103063455A (en) * | 2012-12-21 | 2013-04-24 | 江苏环力科技发展有限公司 | Water source automatic switchover general testing platform |
| CN103063455B (en) * | 2012-12-21 | 2015-05-20 | 江苏环力科技发展有限公司 | Water source automatic switchover general testing platform |
| CN103884611A (en) * | 2014-03-25 | 2014-06-25 | 上海出入境检验检疫局机电产品检测技术中心 | Pressure testing device of pressure-bearing systems and members |
| CN103884611B (en) * | 2014-03-25 | 2016-08-31 | 上海出入境检验检疫局机电产品检测技术中心 | Pressure bearing system and the pressure experimental device of parts |
| CN104007031A (en) * | 2014-05-26 | 2014-08-27 | 格力电器（武汉）有限公司 | Volume device pulse experiment equipment and control method thereof |
| CN105181475A (en) * | 2015-10-28 | 2015-12-23 | 四川杰特机器有限公司 | Impulse test system supercharged through servo electric cylinder |
| CN105181475B (en) * | 2015-10-28 | 2018-04-20 | 四川杰特机器有限公司 | A kind of impulse test system of servo electric jar supercharging |
| CN108225891A (en) * | 2017-11-30 | 2018-06-29 | 广州特种承压设备检测研究院 | A kind of high and low temperature medium circulation test device and method |
| CN108225891B (en) * | 2017-11-30 | 2021-06-04 | 广州特种承压设备检测研究院 | High-low temperature medium circulation testing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201438168U (en) | Testing machine for hose pulse and temperature characteristics | |
| CN102220965B (en) | Electric control safety system for slurry pump | |
| CN103148056B (en) | Hydraulic device leakage measuring device | |
| CN103086527B (en) | Leak-proof water purifier | |
| CN201309412Y (en) | Full automatic circulation cleaning type oil exchanger for gear box | |
| CN102639777B (en) | Method to control a filling of a washing machine tub with water, and washing machine that implements such method | |
| CN201464307U (en) | Hose impulse testing machine | |
| CN2924371Y (en) | Heating line leakage protector | |
| CN204903137U (en) | Bathroom product comprehensive testing device | |
| CN201355091Y (en) | Switcher for heating water and domestic water of gas-fired water heating stove | |
| CN203955051U (en) | A kind of ultrafilter leakage detection apparatus | |
| CN203551231U (en) | Plastic pipeline system cold and hot water circulating testing machine | |
| CN201503139U (en) | Intelligent return water device for cold water in hot water tube of water heater | |
| CN106563784B (en) | A kind of high pressing mold cold | |
| CN210741785U (en) | Online automatic leak hunting heat exchanger | |
| CN209243819U (en) | A kind of self-draining arrangement of domestic water system | |
| CN209559444U (en) | A kind of pipeline or die waterway intelligence detecting leakage press flow measuring system | |
| CN208654617U (en) | A kind of water tank water intake intelligent controlling device | |
| CN203732410U (en) | Hose testing machine | |
| CN202091167U (en) | Electrical control safety system of sludge pump | |
| CN202628481U (en) | Control device for controlling low-pressure fluid to be automatically conveyed to high part by utilizing high-pressure fluid | |
| CN219578834U (en) | Integrated dish-washing machine | |
| CN201611311U (en) | Temperature characteristic test system of pressure-reducing valve | |
| CN109520757A (en) | A kind of water purifier machine life test device | |
| CN210923049U (en) | Water pressure resistance testing device for water pipe sprinkler products |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU IDC INVESTMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG IDC FLUID CONTROL CO., LTD. Effective date: 20150409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150409 Address after: No. 14 campw Technology Park A District 100016 Beijing Chaoyang District City, Jiuxianqiao Road No. 2 Building 2 unit 3 Patentee after: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Patentee after: Taizhou aidixi Investment Co. Ltd. Address before: No. 14 campw Technology Park A District 100016 Beijing Chaoyang District City, Jiuxianqiao Road No. 2 Building 2 unit 3 Patentee before: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Patentee before: Zhejiang IDC Fluid Control Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |