CN202815026U - Explosive device ignition, test and safety protection state conversion socket and plug - Google Patents
Explosive device ignition, test and safety protection state conversion socket and plug Download PDFInfo
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- CN202815026U CN202815026U CN 201220509249 CN201220509249U CN202815026U CN 202815026 U CN202815026 U CN 202815026U CN 201220509249 CN201220509249 CN 201220509249 CN 201220509249 U CN201220509249 U CN 201220509249U CN 202815026 U CN202815026 U CN 202815026U
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Abstract
The utility model relates to explosive device ignition, test and safety protection state conversion socket and plug, wherein switching operation is performed among a guided missile storing and conveying explosive device safety sate, a complete round testing explosive device safety state, an explosive device inspection state and a guided missile flying explosive device ignition state, through leading all explosive devices and explosive device testing circuits (guided missile circuits) to a socket on the surface of a missile body and replacing a plug, thereby avoiding guided missile mounting and dismounting operations such as opening a cabin cover and disconnecting the explosive devices with the connectors of the cable on the missile, in the process of testing, greatly shortening the guided missile preparation process, realizing the rapid preparation of a complete round test guided missile, expanding test coverage range and increasing test convenience.
Description
Technical field
The utility model relates to a kind of socket and plug, particularly relates to a kind of priming system igniting, test and safeguard protection state conversion socket, plug.
Background technology
Guided missile Initiator Safety test realizes having a lot of methods, when the technology that former most of models are used is test, opens hatch deck, and the electric connector that disconnects cable on priming system and the bullet is connected, and namely disconnects being connected of priming system bridge strip resistance and priming system ignition circuit.During test, testing apparatus is connected with the priming system ignition circuit, testing apparatus is to full bullet energising test, and whether the priming system ignition circuit that detects electrical system, control system, power system normally sends; Need use again the priming system inspecting stand instead after detecting normally and carry out the priming system inspection, be about to the priming system inspecting stand and be connected with the both positive and negative polarity of priming system bridge strip resistance, the bridge strip resistance is checked.This kind method need be carried out a large amount of guided missile disassemble and assemble works, and can't realize the complete round test, and the MISSILE LAUNCHING preliminary work cycle is long, can't realize the quick preparation of guided missile.
The utility model content
The purpose of this utility model is to provide a kind of Initiator Safety testing integrated gasifying device, is comprised of the plug of priming system igniting, test and safety protective socket and four kinds of difference in functionalitys.
The utility model is achieved in that
A kind of priming system igniting, test and safety protective socket comprise at least one group of jack, and described every group of jack comprises at least A1, A2, A3 and four jacks of A4, and wherein jack A1, A3 are connected with the both positive and negative polarity of priming system bridge strip resistance respectively by wire; A2, A4 are connected with priming system ignition circuit signal input output end respectively by wire.Described every group of jack can also comprise A5, A6, A7 and four jacks of A8, and wherein jack A5, A7 also are connected with the both positive and negative polarity of priming system bridge strip resistance respectively by wire; A6, A8 also are connected with priming system ignition circuit signal input output end respectively by wire, and jack A5-A8 is the redundancy of jack A1-A4.
A kind of Initiator Safety protection plug comprises at least one group of contact pin, and described every group of contact pin comprises at least B1, B2, B3 and four contact pins of B4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin B1 is connected the short-circuit conductors short circuit and connects with B3; Described contact pin B2 is connected the short-circuit conductors short circuit and connects with B4; Described every group of contact pin can also comprise B5, B6, B7 and four contact pins of B8, respectively with described A5, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin B5 is connected the short-circuit conductors short circuit and connects with B7; Described contact pin B6 is connected the short-circuit conductors short circuit and connects with B8, contact pin B5-B8 is the redundancy of contact pin B1-B4.
A kind of complete round test plug comprises at least one group of contact pin, and described every group of contact pin comprises at least C1, C2, C3 and four contact pins of C4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin C1 is connected the short-circuit conductors short circuit and connects with C3; Described contact pin C2 is connected wire and is connected with the body testing apparatus with C4; Described every group of contact pin can also comprise C5, C6, C7 and four contact pins of C8, respectively with described A5, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin C5 is connected the short-circuit conductors short circuit and connects with C7; Described contact pin C6 is connected wire and is connected with the body testing apparatus with C8; Contact pin C5-C8 is the redundancy of contact pin C1-C4.
A kind of igniting passage plug comprises at least one group of contact pin, and described every group of contact pin comprises at least D1, D2, D3 and four contact pins of D4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin D1 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D2; Described contact pin D3 is connected wire with D4 and connects; Described every group of contact pin can also comprise D5, D6, D7 and four contact pins of D8, respectively with described A5, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin D5 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D6; Described contact pin D7 is connected wire with D8 and connects; Contact pin D5D8 is the redundancy of contact pin D1D4.
A kind of priming system checks plug, comprises at least one group of contact pin, and described every group of contact pin comprises at least two contact pins of E1, E3, respectively with the corresponding grafting of two jacks of described A1, A3; Described contact pin E1 is connected wire and is connected with bridge strip resistance testing apparatus with E3; Described every group of contact pin can also comprise two contact pins of E5, E7, respectively with the corresponding grafting of two jacks of described A5, A7; Described contact pin E5 is connected wire and is connected with bridge strip resistance testing apparatus with E7; Contact pin E5, E7 are the redundancies of contact pin E1, E3.
All be provided with the insulation inner core in plug and the socket, be used for separating fixing plug pin and jack; The priming system current-limiting resistance available heat draw is protected, and the circuit that assurance does not link is isolated mutually; In plug head self-locking nut is set, the socket front end arranges screw thread, is used for the socket plug after pegging graft twisted connecing locking; Afterbody at plug arranges metal cap, and embedding silicon rubber encapsulation in the metal hood is well protected components and parts in transportation, storage process; Metal hood afterbody is provided with gland bonnet, pressure terminal.
The utility model is by all causing priming system and fire-working article test circuit (body circuit) on the socket on body surface, realize the switching of guided missile storage transportation Initiator Safety, full bullet test Initiator Safety, priming system inspection, four kinds of states of missile flight priming system igniting by changing plug, open hatch deck when having avoided test, the electric connector that disconnects cable on priming system and the bullet such as is connected at the guided missile disassemble and assemble work, greatly shortened the preparation flow process of guided missile, realize the quick preparation of complete round test guided missile, improved test coverage and convenience.
When the utility model transported at guided missile storage, the coupling security protection plug with the both positive and negative polarity of priming system bridge strip resistance and the input and output short circuit of fire-working article test circuit, had effectively been protected Initiator Safety, avoided accident to occur.
The utility model is when test of missile priming system ignition circuit, and coupling complete round test plug, the both positive and negative polarity of priming system bridge strip resistance be equally by short circuit, the Initiator Safety when effectively protecting the missile airframe electric performance test.
When the utility model is prepared emission at guided missile, coupling igniting passage plug, coupling priming system current-limiting protection resistance in the circuit, when the excessive and priming system bridge strip resistance of electric current does not fuse in the line, current-limiting resistance fusing, holding circuit safety.
When the utility model carried out fire-working article test at needs, the coupling priming system checked plug, directly connects fire-working article test equipment the bridge strip resistance is carried out the value measurement.
In addition, the utility model on the mode of connection, can adopt corresponding two contact pins of wiring point the mode of connection of jack carry out redundancy, the damage owing to certain circuit of effectively avoiding causes whole circuit not work.More than connect wire and contact pin the mode that is connected of jack all be crimping, effectively avoid adopting the situation of welding manner solder joint thawing, sealing-off under hot environment; The priming system current-limiting resistance adopts heat-shrink tube to protect, and embedding silicon rubber, effectively guarantees the electrical equipment isolation characteristic of circuit; The metal hood of pin tail can be realized effective isolation of interiors of products and external electrical field, has guaranteed the electromagnetic interference shield performance of product.
This utility model circuit is simple, it is convenient to realize, processing ease, and security, reliability, testability are good, can be widely used in each type of missile complete round circuit design.
Description of drawings
Fig. 1 safety protective socket, plug construction synoptic diagram;
The test jack of Fig. 2 complete round, plug synoptic diagram;
Fig. 3 light a fire path socket, plug synoptic diagram;
Fig. 4 priming system checks socket, plug synoptic diagram;
Fig. 5 embodiment 2 safety protective sockets, plug construction synoptic diagram;
Fig. 6 embodiment 2 complete round test jacks, plug synoptic diagram;
Fig. 7 embodiment 2 igniting path sockets, plug synoptic diagram;
Fig. 8 embodiment 2 priming systems check socket, plug synoptic diagram;
Embodiment
Below in conjunction with drawings and Examples the utility model is introduced.
Shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4 socket part, priming system igniting, test and safety protective socket 1, comprise at least one group of jack A, this group jack comprises A1, A2, A3 and four jacks of A4, and jack A1, A3 are connected with the both positive and negative polarity of priming system bridge strip resistance 6 respectively by wire 3; A2, A4 are connected with priming system ignition circuit 5 signal input output ends respectively by wire 3.
Be Initiator Safety protection plug such as Fig. 1 plug portion, comprise at least one group of contact pin B, this group contact pin B comprises B1, B2, B3 and four contact pins of B4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin B1 is connected short-circuit conductors short circuit 7 and connects with B3; Described contact pin B2 is connected short-circuit conductors short circuit 7 and connects with B4.
During work, socket and plug is plugged in together, and jack A1 and contact pin B1, jack A2 and contact pin B2, jack A3 and contact pin B3, jack A4 and contact pin B4 connect respectively.Priming system bridge strip resistance 6, jack A1, jack A3, contact pin B1, contact pin B3 and short-circuit conductors are connected a loop with the connection wire like this, so that priming system bridge strip resistance 6 both positive and negative polarity short circuits are effectively protected Initiator Safety; Equally, priming system ignition circuit 5, jack A2, jack A4, contact pin B2, contact pin B4 and short-circuit conductors are connected a loop with the connection wire, so that the input/output terminal short circuit of priming system ignition circuit 5 is effectively protected the body line security.
Be the complete round test plug such as Fig. 2 plug portion, comprise at least one group of contact pin C, this group contact pin C comprises at least C1, C2, C3 and four contact pins of C4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin C1 is connected short-circuit conductors 7 short circuits and connects with C3; Described contact pin C2 is connected wire and is connected with body testing apparatus 14 with C4.
During work, socket and plug is plugged in together, and jack A1 and contact pin C1, jack A2 and contact pin C2, jack A3 and contact pin C3, jack A4 and contact pin C4 connect respectively.Priming system bridge strip resistance 6, jack A1, jack A3, contact pin C1, contact pin C3 and short-circuit conductors are connected a loop with the connection wire like this, so that priming system bridge strip resistance 6 both positive and negative polarity short circuits are effectively protected Initiator Safety; Simultaneously, priming system ignition circuit 5, jack A2, jack A4, contact pin C2, contact pin C4 and connection wire and body testing apparatus 14 form a loop, so that priming system ignition circuit 5 is connected with body testing apparatus 14, effectively protect the body line security.
For the igniting passage plug, comprise at least one group of contact pin D such as Fig. 3 plug portion, this group contact pin D comprises at least D1, D2, D3 and four contact pins of D4, respectively with described A1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin D1 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D2; Described contact pin D3 is connected wire with D4 and connects.
During work, socket and plug is plugged in together, and jack A1 and contact pin D1, jack A2 and contact pin D2, jack A3 and contact pin D3, jack A4 and contact pin D4 connect respectively.The positive level of priming system bridge strip resistance 6 is successively by being connected with the signal input part of priming system ignition circuit 5 behind jack A1, contact pin D1, priming system current-limiting resistance 12, contact pin D2, the jack A2 like this; Simultaneously, the negative pole of priming system bridge strip resistance 6 is connected with the signal output part of priming system ignition circuit 5 by jack A3, contact pin D3, short-circuit conductors, contact pin D4, jack A4 successively.So that priming system 4 is connected by socket 1 and plug 2 with priming system ignition circuit 5, realize the guided missile ignition function like this.
Be that priming system checks and to comprise at least one group of contact pin E by plug such as Fig. 4 plug portion, this group contact pin E comprises at least two contact pins of E1, E3, respectively with the corresponding grafting of two jacks of described A1, A3; Described contact pin E1 is connected wire and is connected with bridge strip resistance testing apparatus 13 with E3;
During work, socket and plug is plugged in together, jack A1 and contact pin E1, jack A3 and contact pin E3.Priming system bridge strip resistance 6, jack A1, jack A3, contact pin E1, contact pin E3 and bridge strip resistance testing apparatus 13 form a loop like this, so that priming system bridge strip resistance 6 is connected with bridge strip resistance testing apparatus 13, realize the test to priming system bridge strip resistance 6.
Be provided with socket insulation inner core 15 in the socket 1, be used for separating fixed jack; Plug 2 is provided with plug insulation inner core 16, is used for separating fixing plug pin; Priming system current-limiting resistance 12 usefulness heat-shrink tubes are protected, and the circuit that assurance does not link is isolated mutually; Socket 1 front end is provided with screw thread 8, and plug 2 front ends arrange self-locking nut 9, is used for the socket plug after pegging graft twisted connecing locking; Afterbody at plug 2 arranges metal cap 10, and the 10 interior embedding silicon rubber encapsulation of metal hood are well protected components and parts in transportation, storage process; Metal hood 10 afterbodys are provided with gland bonnet 11, pressure terminal.
Such as Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, embodiment 2 is the improvement on embodiment 1 basis, increase redundant jack contact pin, be used for avoiding the damage owing to certain circuit to cause whole circuit not work.
Shown in socket part, this group jack A also comprises A5, A6, A7 and four jacks of A8, and wherein jack A5, A7 also are connected with the both positive and negative polarity of priming system bridge strip resistance 6 respectively by wire 3; A6, A8 also are connected with priming system ignition circuit 5 signal input output ends respectively by wire 3, and jack A5-A8 is the redundancy of jack A1-A4.
Shown in Fig. 5 plug portion, this group contact pin B also comprises B5, B6, B7 and four contact pins of B8, respectively with A5, A6, A7 and the corresponding grafting of four jacks of A8; Contact pin B5 is connected short-circuit conductors 3 short circuits and connects with B7; Contact pin B6 is connected short-circuit conductors 7 short circuits and connects with B8, contact pin B5-B8 is the redundancy of contact pin B1-B4.
Shown in Fig. 6 plug portion, this group contact pin C also comprises C5, C6, C7 and four contact pins of C8, respectively with A5, A6, A7 and the corresponding grafting of four jacks of A8; Contact pin C5 is connected short-circuit conductors 7 short circuits and connects with C7; Contact pin C6 is connected wire and is connected with body testing apparatus 14 with C8; Contact pin C5-C8 is the redundancy of contact pin C1-C4.
Shown in Fig. 7 plug portion, this group contact pin D also comprises D5, D6, D7 and four contact pins of D8, respectively with described A5, A6, A7 and the corresponding grafting of four jacks of A8; Contact pin D5 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D6; Contact pin D7 is connected wire with D8 and connects; Contact pin D5-D8 is the redundancy of contact pin D1-D4.
Shown in Fig. 8 plug portion, this group contact pin E also comprises two contact pins of E5, E7, respectively with the corresponding grafting of two jacks of A5, A7; Contact pin E5 is connected wire and is connected with bridge strip resistance testing apparatus 13 with E7; Contact pin E5, E7 are the redundancies of contact pin E1, E3.
Claims (10)
1. a priming system igniting, test and safety protective socket, it is characterized in that, comprise at least one group of jack, described every group of jack comprises at least A1, A2, A3 and four jacks of A4, and wherein jack A1, A3 are connected with the both positive and negative polarity of priming system bridge strip resistance respectively by wire; A2, A4 are connected with priming system ignition circuit signal input output end respectively by wire.
2. socket according to claim 1 is characterized in that, described every group of jack also comprises A5, A6, A7 and four jacks of A8, and wherein jack A5, A7 also are connected with the both positive and negative polarity of priming system bridge strip resistance respectively by wire; A6, A8 also are connected with priming system ignition circuit signal input output end respectively by wire.
3. an Initiator Safety protection plug is characterized in that comprise at least one group of contact pin, described every group of contact pin comprises at least B1, B2, B3 and four contact pins of B4, respectively with A1 described in the claim 1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin B1 is connected the short-circuit conductors short circuit and connects with B3; Described contact pin B2 is connected the short-circuit conductors short circuit and connects with B4.
4. plug according to claim 3 is characterized in that, described every group of contact pin also comprises B5, B6, B7 and four contact pins of B8, respectively with A5 described in the claim 2, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin B5 is connected the short-circuit conductors short circuit and connects with B7; Described contact pin B6 is connected the short-circuit conductors short circuit and connects with B8.
5. a complete round test plug is characterized in that, comprises at least one group of contact pin, and described every group of contact pin comprises at least C1, C2, C3 and four contact pins of C4, respectively with A1 described in the claim 1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin C1 is connected the short-circuit conductors short circuit and connects with C3; Described contact pin C2 is connected wire and is connected with the body testing apparatus with C4.
6. plug according to claim 5 is characterized in that, described every group of contact pin also comprises C5, C6, C7 and four contact pins of C8, respectively with A5 described in the claim 2, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin C5 is connected the short-circuit conductors short circuit and connects with C7; Described contact pin C6 is connected wire and is connected with the body testing apparatus with C8.
7. an igniting passage plug is characterized in that comprise at least one group of contact pin, described every group of contact pin comprises at least D1, D2, D3 and four contact pins of D4, respectively with A1 described in the claim 1, A2, A3 and the corresponding grafting of four jacks of A4; Described contact pin D1 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D2; Described contact pin D3 is connected wire with D4 and connects.
8. plug according to claim 7 is characterized in that, described every group of contact pin also comprises D5, D6, D7 and four contact pins of D8, respectively with A5 described in the claim 2, A6, A7 and the corresponding grafting of four jacks of A8; Described contact pin D5 is connected wire and is connected with priming system current-limiting resistance R two ends respectively with D6; Described contact pin D7 is connected wire with D8 and connects.
9. a priming system checks plug, it is characterized in that comprise at least one group of contact pin, described every group of contact pin comprises at least two contact pins of E1, E3, respectively with the corresponding grafting of two jacks of A1 described in the claim 1, A3; Described contact pin E1 is connected wire and is connected with bridge strip resistance testing apparatus with E3.
10. plug according to claim 9 is characterized in that, described every group of contact pin also comprises two contact pins of E5, E7, respectively with the corresponding grafting of two jacks of A5 described in the claim 2, A7; Described contact pin E5 is connected wire and is connected with bridge strip resistance testing apparatus with E7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509249 CN202815026U (en) | 2012-09-28 | 2012-09-28 | Explosive device ignition, test and safety protection state conversion socket and plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509249 CN202815026U (en) | 2012-09-28 | 2012-09-28 | Explosive device ignition, test and safety protection state conversion socket and plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815026U true CN202815026U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220509249 Expired - Lifetime CN202815026U (en) | 2012-09-28 | 2012-09-28 | Explosive device ignition, test and safety protection state conversion socket and plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202815026U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597325A (en) * | 2013-11-01 | 2015-05-06 | 上海航天设备制造总厂 | Method for testing resistance of initiating explosive device for coupling mechanism |
| CN105182822A (en) * | 2015-08-28 | 2015-12-23 | 湖北三江航天万峰科技发展有限公司 | Automation signal management and control device |
| CN105403738A (en) * | 2016-01-06 | 2016-03-16 | 中国工程物理研究院化工材料研究所 | Connector device for electric initiating explosive device resistance measurement |
| CN107425333A (en) * | 2017-04-28 | 2017-12-01 | 遵义精星航天电器有限责任公司 | A kind of current-limiting protection device of detachable priming system resistance |
| CN108988287A (en) * | 2018-06-27 | 2018-12-11 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN110320437A (en) * | 2019-07-01 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of two-way priming system plug connection status recognition methods |
| CN110611234A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Plug assembly and charging gun |
| CN111123166A (en) * | 2019-10-25 | 2020-05-08 | 江西洪都航空工业集团有限责任公司 | Improve initiating explosive device plug connection state automatic identification circuit of test security |
| CN114236284A (en) * | 2021-12-14 | 2022-03-25 | 北京机电工程研究所 | Electrical testing device for aircraft |
-
2012
- 2012-09-28 CN CN 201220509249 patent/CN202815026U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597325A (en) * | 2013-11-01 | 2015-05-06 | 上海航天设备制造总厂 | Method for testing resistance of initiating explosive device for coupling mechanism |
| CN105182822A (en) * | 2015-08-28 | 2015-12-23 | 湖北三江航天万峰科技发展有限公司 | Automation signal management and control device |
| CN105182822B (en) * | 2015-08-28 | 2018-01-05 | 湖北三江航天万峰科技发展有限公司 | A kind of automation signal control device |
| CN105403738B (en) * | 2016-01-06 | 2019-04-23 | 中国工程物理研究院化工材料研究所 | Interface arrangement for electric initiating explosive device resistance measurement |
| CN105403738A (en) * | 2016-01-06 | 2016-03-16 | 中国工程物理研究院化工材料研究所 | Connector device for electric initiating explosive device resistance measurement |
| CN107425333A (en) * | 2017-04-28 | 2017-12-01 | 遵义精星航天电器有限责任公司 | A kind of current-limiting protection device of detachable priming system resistance |
| CN107425333B (en) * | 2017-04-28 | 2019-05-17 | 遵义精星航天电器有限责任公司 | A kind of current-limiting protection device of detachable priming system resistance |
| CN108988287A (en) * | 2018-06-27 | 2018-12-11 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN108988287B (en) * | 2018-06-27 | 2019-10-01 | 晋西工业集团有限责任公司 | It is a kind of to dispense the whole short-circuit protection torn open |
| CN110611234A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Plug assembly and charging gun |
| CN110320437A (en) * | 2019-07-01 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of two-way priming system plug connection status recognition methods |
| CN111123166A (en) * | 2019-10-25 | 2020-05-08 | 江西洪都航空工业集团有限责任公司 | Improve initiating explosive device plug connection state automatic identification circuit of test security |
| CN114236284A (en) * | 2021-12-14 | 2022-03-25 | 北京机电工程研究所 | Electrical testing device for aircraft |
| CN114236284B (en) * | 2021-12-14 | 2023-09-08 | 北京机电工程研究所 | Electrical testing device for aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |