CN204088251U - A kind of waterproof fuse apparatus - Google Patents
A kind of waterproof fuse apparatus Download PDFInfo
- Publication number
- CN204088251U CN204088251U CN201420398000.7U CN201420398000U CN204088251U CN 204088251 U CN204088251 U CN 204088251U CN 201420398000 U CN201420398000 U CN 201420398000U CN 204088251 U CN204088251 U CN 204088251U
- Authority
- CN
- China
- Prior art keywords
- fuse
- base
- hole
- sealing ring
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model belongs to short-circuit protection technical field, particularly relates to a kind of waterproof fuse apparatus, comprises upper cover, fuse, base, wire harness splicing ear assembly, brace, the first sealing ring and the second sealing ring; Upper cover and base engagement are connected to form cavity; Wire harness splicing ear assembly is inserted in base; Brace comprises linkage section and the section of stretching out; Linkage section and fuse are all arranged in cavity, and linkage section is connected with fuse; The one end of the section of stretching out is connected with linkage section, and the other end to stretch in base and is connected with wire harness splicing ear assembly; First sealing ring and the second sealing ring are all arranged between base and upper cover.Relative to prior art, the utility model is sealed by two-stage, achieves water-proof function, and structure is simply small and exquisite, and cost is lower.
Description
Technical field
The utility model belongs to short-circuit protection technical field, particularly relates to a kind of waterproof fuse apparatus.
Background technology
Along with the development of New-energy electric vehicle, the application of battery is also more and more extensive.Because electric automobile often has the high-tension requirement of high-energy to battery, this just makes the security performance of battery seem especially important.In the circuit design of batteries of electric automobile bag, fuse is absolutely necessary appliance component, and it can fuse in time when line short, thus protection battery is not damaged.Simultaneously when power brick needs to safeguard, fuse can be pulled up, circuit be disconnected, thus realizes security maintenance.In addition, fuse is also widely used in the circuit of electronic box and high-voltaghe compartment.
In order to improve the safety in utilization of fuse, people wish that it has water-proof function.But the high-end fuse possessing water-proof function mostly at present is imported product, and its structure is comparatively complicated, and often face costly, the shortcoming such as receipt period is long.
In view of this, necessaryly provide a kind of waterproof fuse apparatus, it has good water-proof function, and structure is simply small and exquisite, and cost is lower.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provides a kind of waterproof fuse apparatus, and it has good water-proof function, and structure is simply small and exquisite, and cost is lower.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of waterproof fuse apparatus, comprises upper cover, fuse, base, wire harness splicing ear assembly, brace, the first sealing ring and the second sealing ring;
Described upper cover and described base engagement are connected to form cavity;
Described wire harness splicing ear assembly is inserted in described base;
Described brace comprises linkage section and the section of stretching out;
Described linkage section and described fuse are all arranged in described cavity, and described linkage section is connected with described fuse;
One end of the described section of stretching out is connected with described linkage section, and the other end to stretch in described base and is connected with described wire harness splicing ear assembly;
Described first sealing ring and described second sealing ring are all arranged between described base and described upper cover.
One as the utility model waterproof fuse apparatus is improved, and described fuse comprises fuse bodies and is connected to the installation sheet at described fuse bodies two ends, described installation sheet is provided with the first through hole; Described linkage section is provided with the second through hole, described fuse is connected with the bolt in described second through hole by being arranged in described first through hole with described brace.
One as the utility model waterproof fuse apparatus is improved, and described linkage section is vertical with the described section of stretching out to be arranged.
One as the utility model waterproof fuse apparatus is improved, described upper cover comprise upper cap body, for fixing described first sealing ring the first groove, for the containing cavity of accommodating described fuse and the first installing blind for coordinating with described bolt, the bight of described upper cap body is provided with installation through hole.
One as the utility model waterproof fuse apparatus is improved, described base comprises base body and is arranged at the installation cavity for accommodating described wire harness splicing ear assembly at the described base body back side, described base body is also provided with the second installing blind, the 3rd installing blind, for the blind hole of the head of accommodating described bolt and the first socket of stretching into for the section of stretching out described in confession in described installation cavity, described second installing blind is arranged at the bight of described base body.
One as the utility model waterproof fuse apparatus is improved, the bight of described second sealing ring is provided with third through-hole, described upper cover, described second sealing ring and described base by successively through described installation through hole with described third through-hole and the first screw inserting described second installing blind be connected.
One as the utility model waterproof fuse apparatus is improved, described second sealing ring is also provided with fourth hole, described second sealing ring and described base also by through described fourth hole and the second screw inserting described 3rd installing blind be connected, cover the 4th installing blind of the head be also provided with for accommodating described second screw on described.
One as the utility model waterproof fuse apparatus is improved, described wire harness splicing ear assembly comprises stube cable, is arranged at binding post and the case at described stube cable two ends, described binding post is inserted in described case, described case is provided with buckle and the second socket, described case is fixed in described installation cavity by described buckle, described in the section of stretching out be connected with described binding post with after described second socket through described first socket successively.
One as the utility model waterproof fuse apparatus is improved, and one end of described case is provided with interface.
One as the utility model waterproof fuse apparatus is improved, and the back side of described base is provided with four connectors for fixing described installation cavity.
Relative to prior art, the utility model by arranging fuse and the brace including linkage section and the section of stretching out in the cavity of upper cover and base formation, linkage section is connected with fuse, and stretch out Duan Ze and to stretch in base and to be connected with wire harness splicing ear assembly, namely fuse and wire harness splicing ear assembly is connected by brace, again by wire harness splicing ear assembly and outside module connection, achieve the connection of fuse and outside module circuit.During assembling, upper cover is positioned at the outer surface of the tank wall of electronic box, power brick or high-voltaghe compartment, and arranges the first sealing ring between upper cover and the outer surface of tank wall, and extraneous water can be stoped to enter in cavity; Base is then positioned at the inner surface of tank wall, and the second sealing ring is set between base and the inner surface of tank wall, extraneous steam can be stoped to enter in cavity and casing from the connecting portion between upper cover and base, namely the utility model is sealed by two-stage, achieve water-proof function, and structure is simply small and exquisite, cost is lower.
Accompanying drawing explanation
Fig. 1 is exploded view of the present utility model.
Fig. 2 is the stereogram of brace in the utility model.
Fig. 3 is the stereogram of upper cover in the utility model.
Fig. 4 is the stereogram of base in the utility model.
Fig. 5 is the rearview of base in the utility model.
Fig. 6 is the stereogram of wire harness splicing ear assembly in the utility model.
Fig. 7 is the exploded view of wire harness splicing ear assembly in the utility model.
Fig. 8 is the structural representation that short-circuit protection the utility model being applied to electronic box, power brick or high-voltaghe compartment connects.
Fig. 9 is the enlarged drawing of part A in Fig. 8.
Wherein:
1-upper cover;
11-upper cap body, 12-first groove, 13-containing cavity, 14-first installing blind, 15-installs through hole, 16-the 4th installing blind;
2-fuse;
21-fuse bodies, 22-installation sheet, 221-first through hole;
3-base;
31-base body, 32-installation cavity, 33-second installing blind, 34-the 3rd installing blind, 35-blind hole, 36-first socket, 37-connector;
4-wire harness splicing ear assembly;
41-stube cable, 42-binding post, 43-case, 431-buckle, 432-second socket, 433-interface;
5-brace;
51-linkage section, 511-second through hole, the 52-section of stretching out;
6-first sealing ring;
7-second sealing ring;
71-third through-hole, 72-fourth hole;
8-bolt;
9-first screw;
10-second screw;
20-tank wall.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model and Advantageous Effects thereof are described in detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, a kind of waterproof fuse apparatus that the utility model provides, comprises upper cover 1, fuse 2, base 3, wire harness splicing ear assembly 4, brace 5, first sealing ring 6 and the second sealing ring 7; Upper cover 1 and base 3 are connected formation cavity; Wire harness splicing ear assembly 4 is inserted in base 3; As illustrated in fig. 1 and 2, brace 5 comprises linkage section 51 and the section of stretching out 52; Linkage section 51 and fuse 2 are all arranged in cavity, and linkage section 51 is connected with fuse 2; One end of the section of stretching out 52 is connected with linkage section 51, and the other end to stretch in base 3 and is connected with wire harness splicing ear assembly 4, and therefore, brace 5 act as connection-bridge beam action; First sealing ring 6 and the second sealing ring 7 are all arranged between base 3 and upper cover 1.
Concrete, as illustrated in fig. 1 and 2, fuse 2 comprises fuse bodies 21 and is set to two panels with the installation sheet 22(and installation sheet 22 being connected to fuse bodies 21 two ends), installation sheet 22 is provided with the first through hole 221; Linkage section 51 is provided with the second through hole 511, fuse 2 is connected with the bolt 8 in the second through hole 511 by being arranged in the first through hole 221 with brace 5.In the present embodiment, brace 5 is set to two panels, is connected respectively with two panels installation sheet 22, and the head of bolt 8 is near brace 5, and the end (namely away from one end of its head) of its screw rod inserts in upper cover 1.Wherein, linkage section 51 is vertical with the section of stretching out 52 to be arranged, and namely brace 5 is L-shaped.The material of brace 5 is copper, aluminium, gold or silver-colored, and the electric conductivity of this different materials is better, but is preferably copper or aluminium, because the price comparison of Jin Heyin is high, is unfavorable for reducing costs.
As shown in figs. 1 and 3, upper cover 1 comprise upper cap body 11, for fix the first sealing ring 6 the first groove 12, for the containing cavity 13 of accommodating fuse 2 and the first installing blind 14 for coordinating with the screw rod end of bolt 8, the bight of upper cap body 11 is provided with installs through hole 15.First sealing ring 6 embeds in the first groove 12, the shape of containing cavity 13 then with the form fit of fuse bodies 21, the end of the screw rod of bolt 8 inserts in the first installing blind 14, installs through hole 15 for upper cover 1 and base 3 being fixed up.In the present embodiment, the first installing blind 14 is set to two, installs through hole 15 and is set to four.
As shown in Fig. 1,4 and 5, base 3 comprises base body 31 and is arranged at base body 31 back side (after assembling, one side away from upper cover 1) the installation cavity 32 for accommodating wire harness splicing ear assembly 4, base body 31 is also provided with the second installing blind 33, the 3rd installing blind 34, for the blind hole 35 of the head of receive bolts 8 with for stretching into the first socket 36 in installation cavity 32 for the section of stretching out 52, second installing blind 33 is arranged at the bight of base body 3, and the first socket 36 is just arranged installation cavity 32.In the present embodiment, installation cavity 32 is set to two, blind hole 35 is set to two, first socket 36 is set to two, second installing blind 33 and the 3rd installing blind 34 are all set to four, and two the first sockets 36 are all between two blind holes 35, and the 3rd installing blind 34 is arranged at the both sides of blind hole 35.
As shown in Figure 1, the bight of the second sealing ring 7 is provided with third through-hole 71, upper cover 1, second sealing ring 2 and base 3 by successively through install through hole 15 with third through-hole 71 and the first screw 9 that end inserts the second installing blind 33 be connected.In the present embodiment, third through-hole 71 is set to four, and namely the fixed form of the second sealing ring 7 is for being spirally connected.
As shown in Figure 1, the second sealing ring 7 is also provided with fourth hole 72, the second sealing ring 7 and base 3 also by through fourth hole 72 and the second screw 10 inserting the 3rd installing blind 34 be connected, be convenient to the fixing of the second sealing ring 7.On cover the 4th installing blind 16 of the head be also provided with for accommodating second screw 10, in the present embodiment, fourth hole 72 and the 4th installing blind 16 are all set to four.
As shown in Figures 6 and 7, wire harness splicing ear assembly 4 comprises stube cable 41, is arranged at binding post 42 and the case 43 at stube cable 41 two ends, binding post 42 is inserted in case 43, case 43 is provided with buckle 431 and the second socket 432, case 43 is fixed in installation cavity 32 by buckle 431, the section of stretching out 52 is connected with binding post 42 through the first socket 36 and the second socket 432 are rear successively, realizes conducting.Second socket 432 and the first socket 36 are just to setting.Wherein, one end of case 43 is provided with interface 433, and this interface 433 is positioned at the end of whole wire harness splicing ear assembly 4, for realizing the connection of outside module circuit and binding post 42, thus realizes outside module circuit and is connected with of the present utility model.
As shown in Figure 5, the back side of base 3 is provided with four for fixedly mounting the connector 37 in chamber 32, and four connectors 37 are symmetrical arranged between two, such binding post 42 just has multiple collocation mode when being connected with base 3, actual freely can collocation in groups according to situations such as the space of electronic box, power brick or high-voltaghe compartment and wiring arrangement when using is connected, thus increase wiring flexibility.When case 43 and base 3 assemble, only case 43 need be pushed in the mouth of installation cavity 32, rely on buckle 431 to be locked in installation cavity 32 by case 43 after putting in place, prevent from getting loose, easy to operate.
When the utility model being applied to electronic box, power brick or high-voltaghe compartment, as shown in FIG. 8 and 9, first, by the second sealing ring 7 by through fourth hole 72 and the second screw 10 inserting the 3rd installing blind 34 is fixed in base body 31, binding post 42 is inserted in case 43, again case 43 is inserted in installation cavity 32, after putting in place, rely on buckle 431 to be locked by case 43;
Then, the first sealing ring 6 is embedded in the first groove 12, then bolt 8 is also finally inserted in the first installing blind 14 through the first through hole 221 and the second through hole 511 successively, fuse 2 and brace 5 are coupled together and is fixed on upper cover 1;
Then, the upper cover 1 being connected with fuse 2 and brace 5 is placed in the outer surface of the tank wall 20 of electronic box, power brick or high-voltaghe compartment, and the base 3 being connected with wire harness splicing ear assembly 4 is placed in the inner surface of this tank wall 20, and the section of stretching out 52 is connected with binding post 42 through after the socket on tank wall 20, the second sealing ring 7, first socket 36 and the second socket 432 successively, realize conducting;
Then, by the first screw 9 successively through the through hole installed on through hole 15, tank wall 20 and third through-hole 71 also final insertion the second installing blind 33, realize upper cover 1, tank wall 20 is fixedly connected with base 3; Finally, be connected in the outside module circuit insertion interface 433 in electronic box, power brick or high-voltaghe compartment with binding post 42.
In a word, the utility model tool has the following advantages:
First; the utility model by arranging fuse 2 and the brace 5 including linkage section 51 and the section of stretching out 52 in the cavity of upper cover 1 and base 3 formation; linkage section 51 is connected with fuse 2; the section of stretching out 52 then to stretch in base 3 and is connected with wire harness splicing ear assembly 4; namely fuse 2 and wire harness splicing ear assembly 4 is connected by brace 5; again by wire harness splicing ear assembly 4 and outside module connection; achieve the connection of fuse 2 and outside module circuit, make the utility model play the effect of short-circuit protection.
Second, when outside module circuit in the utility model and electronic box, power brick or high-voltaghe compartment is assembled, upper cover 1 is positioned at the outer surface of the tank wall 20 of electronic box, power brick or high-voltaghe compartment, and the first sealing ring 6 is set between the outer surface of upper cover 1 and tank wall 20, extraneous water can be stoped to enter in cavity; Base 3 is then positioned at the inner surface of tank wall 20, and the second sealing ring 7 is set between the inner surface of base 3 and tank wall 20, extraneous steam can be stoped to enter in cavity and casing from the connecting portion between upper cover 1 and base 3, namely the utility model is sealed by two-stage, achieve water-proof function, and then prevent the short circuit risk that causes because steam enters, and structure is simply small and exquisite, cost is lower.
3rd, case 43 has protective action, because electrified body is mainly derived from the module in power brick, electronic box or high-voltaghe compartment, when going between fuse 2 from module end, binding post 42 is charged.The utility model is connected by being assembled with case 43 by binding post 42, then carries out patching operations, avoids the risk of contact electrification body, thus makes the utility model have touch-proof function.When connection line, base 3 is first assembled with tank wall 20, then is fixed by binding post 42 inserted base 3 of band case 43.Whole assembling process handling safety of the present utility model, non-contact electric risk, thus can personal safety be guaranteed.
4th, the design of four symmetrically arranged connectors 37 between two has multiple collocation mode when binding post 42 is connected with base 3, actual freely can collocation in groups according to situations such as the space of electronic box, power brick or high-voltaghe compartment and wiring arrangement when using is connected, thus increase wiring flexibility.
5th, connections all in the utility model all relies on screw or bolt, easy accessibility.If fuse 2 burns, only the first screw 9 and bolt 8 need be removed, the fuse 2 more renewed, then ressemble, can realize changing, simple to operate and safety.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a waterproof fuse apparatus, is characterized in that: comprise upper cover, fuse, base, wire harness splicing ear assembly, brace, the first sealing ring and the second sealing ring;
Described upper cover and described base engagement are connected to form cavity;
Described wire harness splicing ear assembly is inserted in described base;
Described brace comprises linkage section and the section of stretching out;
Described linkage section and described fuse are all arranged in described cavity, and described linkage section is connected with described fuse;
One end of the described section of stretching out is connected with described linkage section, and the other end to stretch in described base and is connected with described wire harness splicing ear assembly;
Described first sealing ring and described second sealing ring are all arranged between described base and described upper cover.
2. waterproof fuse apparatus according to claim 1, is characterized in that: described fuse comprises fuse bodies and is connected to the installation sheet at described fuse bodies two ends, described installation sheet is provided with the first through hole; Described linkage section is provided with the second through hole, described fuse is connected with the bolt in described second through hole by being arranged in described first through hole with described brace.
3. waterproof fuse apparatus according to claim 1, is characterized in that: described linkage section is vertical with the described section of stretching out to be arranged.
4. waterproof fuse apparatus according to claim 2, it is characterized in that: described upper cover comprise upper cap body, for fixing described first sealing ring the first groove, for the containing cavity of accommodating described fuse and the first installing blind for coordinating with described bolt, the bight of described upper cap body is provided with installation through hole.
5. waterproof fuse apparatus according to claim 4, it is characterized in that: described base comprises base body and is arranged at the installation cavity for accommodating described wire harness splicing ear assembly at the described base body back side, described base body is also provided with the second installing blind, the 3rd installing blind, for the blind hole of the head of accommodating described bolt and the first socket of stretching into for the section of stretching out described in confession in described installation cavity, described second installing blind is arranged at the bight of described base body.
6. waterproof fuse apparatus according to claim 5, it is characterized in that: the bight of described second sealing ring is provided with third through-hole, described upper cover, described second sealing ring and described base by successively through described installation through hole with described third through-hole and the first screw inserting described second installing blind be connected.
7. waterproof fuse apparatus according to claim 6, it is characterized in that: described second sealing ring is also provided with fourth hole, described second sealing ring and described base also by through described fourth hole and the second screw inserting described 3rd installing blind be connected, cover the 4th installing blind of the head be also provided with for accommodating described second screw on described.
8. waterproof fuse apparatus according to claim 5, it is characterized in that: described wire harness splicing ear assembly comprises stube cable, is arranged at binding post and the case at described stube cable two ends, described binding post is inserted in described case, described case is provided with buckle and the second socket, described case is fixed in described installation cavity by described buckle, described in the section of stretching out be connected with described binding post with after described second socket through described first socket successively.
9. waterproof fuse apparatus according to claim 8, is characterized in that: one end of described case is provided with interface.
10. waterproof fuse apparatus according to claim 5, is characterized in that: the back side of described base is provided with four connectors for fixing described installation cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398000.7U CN204088251U (en) | 2014-07-18 | 2014-07-18 | A kind of waterproof fuse apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398000.7U CN204088251U (en) | 2014-07-18 | 2014-07-18 | A kind of waterproof fuse apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088251U true CN204088251U (en) | 2015-01-07 |
Family
ID=52180932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398000.7U Active CN204088251U (en) | 2014-07-18 | 2014-07-18 | A kind of waterproof fuse apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088251U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093774A (en) * | 2017-04-21 | 2017-08-25 | 江苏银基烯碳能源科技有限公司 | A kind of fuse suite |
| CN108666187A (en) * | 2018-07-02 | 2018-10-16 | 西安赛诺克新能源科技股份有限公司 | A kind of miniaturization Fuse box |
| CN110774903A (en) * | 2019-11-25 | 2020-02-11 | 威马智慧出行科技（上海）有限公司 | Battery package device and car |
-
2014
- 2014-07-18 CN CN201420398000.7U patent/CN204088251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093774A (en) * | 2017-04-21 | 2017-08-25 | 江苏银基烯碳能源科技有限公司 | A kind of fuse suite |
| CN108666187A (en) * | 2018-07-02 | 2018-10-16 | 西安赛诺克新能源科技股份有限公司 | A kind of miniaturization Fuse box |
| CN110774903A (en) * | 2019-11-25 | 2020-02-11 | 威马智慧出行科技（上海）有限公司 | Battery package device and car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202523908U (en) | Electricity-exchanging connector for electric vehicle | |
| CN202111243U (en) | Lead connection structure for controller | |
| CN204088251U (en) | A kind of waterproof fuse apparatus | |
| CN103427259A (en) | Electric connector for high-voltage electric equipment | |
| CN102916277A (en) | Connector structure | |
| CN209150362U (en) | Charging socket and Socket casing | |
| ATE266264T1 (en) | ELECTRICAL CONNECTOR WITH DEFORMABLE INSERT | |
| CN204793290U (en) | Novel spot of wiring structure | |
| CN201623415U (en) | Rapid terminal box | |
| CN203850552U (en) | Plug connector, socket connector, and combination thereof | |
| CN103219606B (en) | Waterproof socket | |
| CN202977351U (en) | Fuse tube socket used for solar-energy photovoltaic power generation system | |
| CN202434146U (en) | Outdoor LED display screen flat cable | |
| CN201095398Y (en) | Line concentrating box for electric bicycle | |
| CN213304458U (en) | 90 degrees alternating current-direct current integral type sockets that charge of being qualified for next round of competitions of electric automobile | |
| CN209730324U (en) | A kind of assembly type direct current rifle structure | |
| CN201690379U (en) | Connecting module of building integrated photovoltaic system | |
| CN201063384Y (en) | Electric socket board with USB charging interface | |
| CN210149168U (en) | Direct current charging device | |
| CN202797303U (en) | Puncture type Micro-universal serial bus (USB) connector | |
| CN205622597U (en) | Solar cell junction box | |
| CN201638097U (en) | Temperature controller | |
| CN204927637U (en) | Multi -functional socket shell | |
| CN201262999Y (en) | Contact member and fixed structure thereof and printed board electric connector with the structure | |
| CN202872062U (en) | Combination socket with lightning protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 1, 1F-, west of Fujian Road, Xingang Road, Zhangzhou Town, Jiaocheng District, Ningde, 352000 Patentee before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |