CN201965019U - Valve integrated testing system - Google Patents
Valve integrated testing system Download PDFInfo
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- CN201965019U CN201965019U CN2011200240543U CN201120024054U CN201965019U CN 201965019 U CN201965019 U CN 201965019U CN 2011200240543 U CN2011200240543 U CN 2011200240543U CN 201120024054 U CN201120024054 U CN 201120024054U CN 201965019 U CN201965019 U CN 201965019U
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- 238000012360 testing method Methods 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 160
- 238000001514 detection method Methods 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000001839 systemic circulation Effects 0.000 claims description 7
- 230000004087 circulation Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000011056 performance test Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model provides a valve integrated testing system, which belongs to the technical field of valve testing, and solves the problems of the valve integrated testing system that the application range is narrow, the cost is high, and the precision is low. The valve integrated testing system comprises a control terminal, and a water supplying module for supplying a circuit with water, a water consumption controlling module for adjusting the actual water consumption in the circuit, a testing module for placing the valve and testing the property thereof, and a checking module for checking parameters of the valve on testing, wherein the water supplying module, the water consumption controlling module, the testing module and the checking module are sequentially connected through a water pipe to form the circuit and are all connected with the control terminal; the control terminal can control the water supply amount of the water supplying module and adjust the water for consumption actually passing through the water consumption control module; and every module can feedback the self working states to the control terminal, and treatment and display are conducted by the control terminal. The valve integrated testing system has the advantages of wide application range, high testing precision, electric and manual adjustment supporting, and the like.
Description
Technical field
The utility model belongs to the valve technical field of measurement and test, relates to a kind of valve integrated test system.
Background technology
Valve is the control assembly in the fluid delivery system, have by, adjusting, water conservancy diversion, prevent functions such as adverse current, voltage stabilizing, shunting or overflow pressure release, be widely used in the every field, the quality quality of valve will directly influence safety and the quality that pipeline is carried.If each valve is all detected to guarantee its quality by pure manually-operated mode, then need great amount of manpower, not only efficient is lower, and cost is higher.
For this reason, people design a kind of performance test method for constant temperature water-mixing valve, and have applied for patent, and (its application number is: 200810243735.1; Its publication number is: CN101419133A), be provided with a kind of constant temperature water-mixing valve Performance Test System in this method of testing, comprise the system circuit that is used to test valve performance, comprise water tank in this loop, water pump, valve, temperature sensor, flowmeter, parts such as electric heater and threeway water-mixing valve, current in the loop are provided by water tank, water pump is then controlled the pressure of water tank water outlet, in the loop current are divided into three the tunnel, one road reflow tank forms water cycle, one the tunnel discharges the external world, and then mix by delivering to threeway water-mixing valve place after the electric heater heating on another road.This Performance Test System also comprises electric control system and data acquisition system (DAS), and electric control system is used for the duty of the water pump and the electric heater of control loop; Whether the difference of the coolant-temperature gage value that data acquisition system (DAS) shows by the temperature sensor temperature displayed value calculating water-mixing valve and blend place, the mouth of a river and water-mixing valve is used as judging the foundation of water-mixing valve performance in the error range of setting, and detected various data are handled also rendering performance curve.
This testing valve performance system carries out the test of valve performance by a whole set of system, whole process can be controlled by electric control system, and the result of test can be handled and demonstrate the result by data acquisition system (DAS), test process is comparatively simple, improved the efficient of valve detection, still, the application of this system only limits to constant temperature water-mixing valve, test for other valves then can't be general, and the scope of application is less.This system in use also needs to control each current size on along separate routes by a plurality of fixing pump workings, so not only increased electric cost, and degree of accuracy is not high.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of valve integrated test system that can simulate the valve actual working environment and most of valves all are suitable for.
The purpose of this utility model can realize by following technical proposal: a kind of valve integrated test system, it is characterized in that, this system comprises control terminal and the water supply module that supplies water to the loop of being used for that connects and form the loop by water pipe successively, the water control module of actual used water amount in the regulating loop, be used to place the detection module of valve parameter and when being used to detect the valve test with the test module of testing its performance, described water supply module, the water control module, test module and detection module all link with above-mentioned control terminal, described control terminal can be controlled the adjusting of the actual water consumption of passing through of output and water control module place of water supply module, each above-mentioned module all can feed back to control terminal with self duty, handles and make demonstration by it.
This valve integrated test system comes the water factory in the simulating reality environment for use to supply water by water supply module, water control module analog subscriber actual used water amount size, the most aqueous condition of using in the actual used water can be simulated by these two modules, the performance of valve can be more fully detected.During the work of this valve integrated test system, valve is put into test module, provide certain output to finish the circulation of water in the loop by control terminal control water supply module, regulate the actual used water amount at water control module place simultaneously, simulate in the actual use the residing water route of valve environment to be used to detect the performance of valve, judge the performance quality of this tested valve or whether regulate output or water consumption by the work state information that each module feeds back.In addition, the information that control terminal can feed back each module is handled and corresponding valve parameter is depicted as curve, conveniently checks.
In above-mentioned a kind of valve integrated test system, described water supply module comprises water tank, is connected in the force (forcing) pump at water outlet of water tank place, with force (forcing) pump link the regulator one that is used for controlling the force (forcing) pump duty, be used to provide the ebullator of water at loop round-robin power and the regulator two that is used for Control Circulation pump work state, described ebullator is connected with force (forcing) pump by water pipe, and described regulator one all links with above-mentioned control terminal with regulator two.Force (forcing) pump is used to control presses before the water tank water outlet provides valve for tested valve, ebullator round-robin power is provided for the medium in the loop and can make the valve of tested valve before with valve after produce certain pressure reduction.Control terminal can carry out Long-distance Control to the duty of force (forcing) pump and ebullator respectively by regulator one and regulator two, but the running frequency of regulator one and regulator two automatic or manuals control force (forcing) pump and ebullator.
In above-mentioned a kind of valve integrated test system, described ebullator comprises systemic circulation pump parallel with one another and partial circulating pump, described systemic circulation pump and partial circulating pump place are equipped with a stop valve, described stop valve and control terminal link and can be controlled terminal control and block or connect the loop.In actual test process, operating personnel can select suitable ebullator according to the actual tested needs of tested valve, the stop valve corresponding with it opened, and the stop valve at another ebullator place then is in closed condition, so not only can improve testing precision but also can reduce electric cost.
In above-mentioned a kind of valve integrated test system, be equipped with water return pipeline between described force (forcing) pump and the water tank and between ebullator and the water tank, be equipped with the stop valve that can be subjected to above-mentioned control terminal control and block or connect water return pipeline on described two water return pipelines.This test macro is realized backwater by force (forcing) pump and these two kinds of pumps of ebullator, and operating personnel can be crack by control terminal control stop valve according to actual needs, makes current energy partial reflux in water tank.
In above-mentioned a kind of valve integrated test system, described water control module comprises and joining regulator three of control terminal and electric control valve and manual modulation valve parallel with one another that described regulator three connects and can control the aperture of its spool with electric control valve.Generally speaking, manual modulation valve is in closed condition, the actual used water amount of coming analog subscriber by the spool aperture size of regulator three control automatic regulating valves by control terminal, when making the duty of the uncontrollable automatic regulating valve of control terminal when breaking down, can temporarily control manual modulation valve work manually.
In above-mentioned a kind of valve integrated test system, described electric control valve comprises electric control valve parallel with one another one and electric control valve two, described electric control valve one is different with the interior maximum flow of the valve of electric control valve two, and described electric control valve parallel with one another, electric control valve two and manual modulation valve the place ahead are equipped with and the joining stop valve of control terminal.Operating personnel can open the stop valve in required electric control valve or manual modulation valve the place ahead to control according to the test needs of reality.
In above-mentioned a kind of valve integrated test system, described test module comprise water trap, water collector and be connected in water trap and water collector between several test water pipes, be equipped with a test position on described several test water pipe, described test position is used for valve to be tested is inserted the loop, described test is equipped with the detecting device that is used to detect loop medium parameter before and after the position, and described detecting device all links with above-mentioned control terminal.The efficient that several test water pipes can improve the valve test is set, and the detecting device that is arranged at front and back, test position can send to control terminal with the medium parameter before and after the valve, and control terminal then can be judged the performance of this valve according to situation of change between the two.
In above-mentioned a kind of valve integrated test system, described test water pipe is three, and the caliber of test water pipe increases progressively by root, and described three test water pipe two ends are equipped with and the joining stop valve of control terminal.The caliber of test water pipe increases progressively by root makes that testing the water yield that can pass through in the water pipe also increases progressively by root, can select different test water pipes at different valves.
In above-mentioned a kind of valve integrated test system, described detection module comprises quantity parallel with one another and the identical flowmeter of above-mentioned test water pipe, and all inequality and its place ahead of the maximum range of described each flowmeter is equipped with one can controlled terminal control and block or connect the stop valve in loop.Can select different flowmeters for use according to the flow difference in the loop, and close the stop valve in other flowmeter the place aheads, can improve test accuracy like this.
In above-mentioned a kind of valve integrated test system, described control terminal comprises control circuit and the liquid crystal display touch-screen that is coupled to each other.Using the liquid crystal display touch-screen to control can make operation more simple and convenient.
In above-mentioned a kind of valve integrated test system, described detecting device is a water pressure gauge.
Compared with prior art, this valve integrated test system has the following advantages:
1, this valve integrated test system can be common to most valve by the actual environment for use of water supply module and water control module simulation valve, and the scope of application is wider.
2, the ebullator in this valve integrated test system, electric control valve, test water pipe and flowmeter are equipped with many groups, can test needs according to reality and select suitable components, and testing precision is higher.
3, also be parallel with manual modulation valve on the electric control valve, when automatic regulating valve breaks down, can regulate, can not influence testing progress because of a certain parts damages by manual modulation valve.
Description of drawings
Fig. 1 is the structural representation of this valve integrated test system.
Among the figure, 1, control terminal; 11, control circuit; 12, liquid crystal display touch-screen; 2, water supply module; 21, water tank; 22, force (forcing) pump; 23, ebullator; 23a, systemic circulation pump; 23b, partial circulating pump; 24, water return pipeline; 3, water control module; 31, electric control valve; 31a, electric control valve one; 31b, electric control valve two; 32, manual modulation valve; 4, test module; 41, water trap; 42, water collector; 43, test water pipe; 44, test position; 5, flowmeter; 6, stop valve.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this valve integrated test system comprises control terminal 1 and connects and form the water tank 21, force (forcing) pump 22, ebullator 23 in loop, electric control valve 31 and manual modulation valve 32, water trap 41, test water pipe 43, water collector 42, flowmeter 5 parallel with one another successively by water pipe.Wherein, force (forcing) pump 22, ebullator 23, electric control valve 31 link with control terminal 1 by regulator one, regulator two and regulator three respectively, regulator one and regulator two can controlled terminal 1 controls and control the running frequency of force (forcing) pump 22 and ebullator 23 respectively, also can control manually.When regulator three received the opening information of control terminal 1 transmission, the spool aperture that can control electric control valve 31 reached and the corresponding degree of opening information.At this, regulator one, regulator two are prior art with regulator three.In addition, all be connected with water return pipeline 24 between force (forcing) pump 22 and the water tank 21 and between ebullator 23 and the water tank 21, and be equipped with stop valve 6 on two water return pipelines 24.
In the present embodiment, control terminal 1 control circuit 11 that comprises liquid crystal display touch-screen 12 and connect with it.Force (forcing) pump 22 is connected in the water delivering orifice place of water tank 21, and the ebullator 23 that is connected with force (forcing) pump 22 comprises systemic circulation pump 23a parallel with one another and partial circulating pump 23b, is equipped with a stop valve 6 before two ebullators 23.Electric control valve 31 comprises electric control valve parallel with one another one 31a and electric control valve 31b, two electric control valves 31 are solenoid valve, maximum flow varies in size in its valve, manual modulation valve 32 places also are provided with the detection table that is used to detect its spool aperture situation, are equipped with stop valve 6 before two electric control valves 31 and the manual modulation valve 32.Test water pipe 43 1 has three, all be connected between water trap 41 and the water collector 42, its caliber increases progressively by root, test water pipe 43 middle parts are equipped with the test position 44 that is used for valve is inserted the loop, 44 front and back, test position respectively are provided with a water pressure gauge, be used to test press before the valve of valve with valve after press, the two ends of every test water pipe 43 are equipped with a stop valve 6.The quantity of flowmeter 5 is identical with test water pipe 43, and the range of three flowmeters 5 then has nothing in common with each other, and is equipped with a stop valve 6 before each flowmeter 5.Above detection table, water pressure gauge, flowmeter 5 and the stop valve 6 that is arranged at everywhere all link with control terminal 1, detection table, water pressure gauge and flowmeter 5 can send to control terminal 1 with detected data when self shows, and the loop is connected or blocked in the control of the controlled terminal 1 of stop valve 6 energy.
This valve integrated test system is simulated water factory or water source in the actual environment for use of valve by water supply module 2, and by the water consumption of water control module 3 analog subscriber reality, tested valve can be connected in the loop of this simulating reality and test.Before test, each stop valve 6 in the loop blocks the loop.
When beginning to test the performance of valve, actual conditions according to tested valve are selected suitable ebullator 23, electric control valve 31, test water pipe 43 and flowmeter 5, valve is connected on the test position 44 of test water pipe 43, operate the liquid crystal display touch-screen 12 of control terminal 1 then, corresponding ebullator 23 in the open system loop, electric control valve 31, stop valve 6 before test water pipe 43 and the flowmeter 5, make the loop conducting, and send a signal to regulator one respectively, regulator two and regulator three, control water tank 21 water outlets by regulator one by the running frequency of control force (forcing) pump 22, press before the valve of valve is provided, press after coming circulation to the loop medium that power and operation valve are provided by regulator two by the running frequency of Control Circulation pump 23.When regulator three received the aperture signal of control terminal 1 transmission, the valve core rotation of control electric control valve 31 to corresponding aperture also kept this state.Simultaneously, two stop valves 6 that control terminal 1 is also controlled on the water return pipeline 24 are crack, partly returned in the water tank 21 by the medium in force (forcing) pump 22 and ebullator 23 control loops.At this moment, current flow out from the water delivering orifice of water tank 21, and successively through force (forcing) pump 22, ebullator 23, electric control valve 31, water trap 41, test water pipe 43, valve, test water pipe 43, water collector 42 and flowmeter 5 to finish a circulation.
When electric control valve 31 breaks down and the aperture that can't finish spool when regulating, operating personnel can close the stop valve 6 before the electric control valve 31, open the stop valve 6 before the manual modulation valve 32 and open manual modulation valve 32, regulate situation by the apparent aperture of examining its spool of the detection that connects on the manual modulation valve 32 in manual mode.When detecting a certain valve, also other corresponding valves to be measured can be put into two other test position 44, connecting only needs to adjust the conducting situation in loop by control terminal 1 after finishing and can test next valve, can improve the efficient of valve test.
In addition, in the process of valve detection, the detection information of the work state information of each building block and each instrument all sends to control terminal 1, this control terminal 1 is handled these data, whether the work in the system circuit can judged automatically is normal and whether the valve test is qualified, and can draw the curve map of desired parameters according to user's actual needs, watch to make things convenient for the user.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as control terminal 1, control circuit 11, liquid crystal display touch-screen 12, water supply module 2, water tank 21, force (forcing) pump 22, ebullator 23, systemic circulation pump 23a, partial circulating pump 23b, water return pipeline 24, water control module 3, electric control valve 31, electric control valve one 31a, electric control valve two 31b, manual modulation valve 32, test module 4, water trap 41, water collector 42, test water pipe 43, test position 44, flowmeter 5, stop valve 6 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. valve integrated test system, it is characterized in that, this system comprises control terminal (1) and the water supply module (2) that supplies water to the loop of being used for that connects and form the loop by water pipe successively, the water control module (3) of actual used water amount in the regulating loop, be used to place the detection module of valve parameter and when being used to detect the valve test with the test module (4) of testing its performance, described water supply module (2), water control module (3), test module (4) and detection module all link with above-mentioned control terminal (1), described control terminal (1) can be controlled the adjusting that the output of water supply module (2) and water control module (3) are located the water consumption that reality passes through, each above-mentioned module all can feed back to self duty control terminal (1), handles and make demonstration by it.
2. valve integrated test system according to claim 1, it is characterized in that, described water supply module (2) comprises water tank (21), be connected in the force (forcing) pump (22) at water tank (21) water delivering orifice place, link with force (forcing) pump (22) and to be used to control the regulator one of force (forcing) pump (22) duty, be used for providing the ebullator of water at loop round-robin power (23) and the regulator two that is used for Control Circulation pump (23) duty, described ebullator (23) is connected with force (forcing) pump (22) by water pipe, and described regulator one all links with above-mentioned control terminal (1) with regulator two.
3. valve integrated test system according to claim 2, it is characterized in that, described ebullator (23) comprises systemic circulation pump (23a) parallel with one another and partial circulating pump (23b), described systemic circulation pump (23a) and partial circulating pump (23b) locate to be equipped with a stop valve (6), and described stop valve (6) links with control terminal (1) and can controlled terminal (1) control and block or connect the loop.
4. according to claim 2 or 3 described valve integrated test systems, it is characterized in that, be equipped with water return pipeline (24) between described force (forcing) pump (22) and the water tank (21) and between ebullator (23) and the water tank (21), be equipped with the stop valve (6) that can be subjected to above-mentioned control terminal (1) control and block or connect water return pipeline (24) on described two water return pipelines (24).
5. according to claim 1 or 2 or 3 described valve integrated test systems, it is characterized in that, described water control module (3) comprises and the joining regulator three of control terminal (1) and electric control valve (31) parallel with one another and manual modulation valve (32), and described regulator three and electric control valve (31) connect and can control the aperture of its spool.
6. valve integrated test system according to claim 5, it is characterized in that, described electric control valve (31) comprises electric control valve parallel with one another (31a) and electric control valve two (31b), described electric control valve one (31a) is different with the interior maximum flow of the valve of electric control valve two (31b), and described electric control valve parallel with one another (31a), electric control valve two (31b) and manual modulation valve (32) the place ahead are equipped with and the joining stop valve of control terminal (1) (6).
7. according to claim 1 or 2 or 3 described valve integrated test systems, it is characterized in that, described test module (4) comprises water trap (41), water collector (42) and be connected in water trap (41) and water collector (42) between several test water pipes (43), be equipped with a test position (44) on described several test water pipes (43), described test position (44) is used for valve to be tested is inserted the loop, be equipped with the detecting device that is used to detect loop medium parameter before and after the described test position (44), described detecting device all links with above-mentioned control terminal (1).
8. valve integrated test system according to claim 7, it is characterized in that, described test water pipe (43) is three, and the caliber of test water pipe (43) increases progressively by root, and described three test water pipe (43) two ends are equipped with and the joining stop valve of control terminal (1) (6).
9. valve integrated test system according to claim 8, it is characterized in that, described detection module comprises the flowmeter (5) that quantity parallel with one another is identical with above-mentioned test water pipe (43), and all inequality and its place ahead of the maximum range of described each flowmeter (5) is equipped with one can controlled terminal (1) control and block or connect the stop valve (6) in loop.
10. according to claim 1 or 2 or 3 described valve integrated test systems, it is characterized in that described control terminal (1) comprises the control circuit (11) and liquid crystal display touch-screen (12) that is coupled to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200240543U CN201965019U (en) | 2011-01-25 | 2011-01-25 | Valve integrated testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200240543U CN201965019U (en) | 2011-01-25 | 2011-01-25 | Valve integrated testing system |
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| Publication Number | Publication Date |
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| CN201965019U true CN201965019U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200240543U Expired - Fee Related CN201965019U (en) | 2011-01-25 | 2011-01-25 | Valve integrated testing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095598A (en) * | 2011-01-25 | 2011-06-15 | 卓旦春 | Valve comprehensive test system |
| CN103134672A (en) * | 2013-02-04 | 2013-06-05 | 哈尔滨工业大学 | Testing and evaluating method of pipeline exhausting energy-saving effect |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
-
2011
- 2011-01-25 CN CN2011200240543U patent/CN201965019U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095598A (en) * | 2011-01-25 | 2011-06-15 | 卓旦春 | Valve comprehensive test system |
| CN102095598B (en) * | 2011-01-25 | 2014-02-12 | 卓旦春 | Valve comprehensive test system |
| CN103134672A (en) * | 2013-02-04 | 2013-06-05 | 哈尔滨工业大学 | Testing and evaluating method of pipeline exhausting energy-saving effect |
| CN103134672B (en) * | 2013-02-04 | 2015-04-15 | 哈尔滨工业大学 | Testing and evaluating method of pipeline exhausting energy-saving effect |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140415 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140415 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang woerda Copper Co. Ltd. Patentee before: Zhuo Danchun |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20180125 |