CN111668675B - Connector for electric appliance detection and detection device using connector - Google Patents
Connector for electric appliance detection and detection device using connector Download PDFInfo
- Publication number
- CN111668675B CN111668675B CN202010511743.0A CN202010511743A CN111668675B CN 111668675 B CN111668675 B CN 111668675B CN 202010511743 A CN202010511743 A CN 202010511743A CN 111668675 B CN111668675 B CN 111668675B
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- Prior art keywords
- shell
- interface
- terminals
- interfaces
- connector
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
- H01R13/434—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by separate resilient locking means on contact member, e.g. retainer collar or ring around contact member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
Abstract
The invention relates to the field of connectors, in particular to a connector for detecting electrical appliances and a detection device using the connector, comprising: the device comprises a shell 1, wherein a base body is arranged in the shell 1, and the shell 1 and the base body are both made of insulating materials; one end of the shell 1 is provided with a plurality of interfaces A, and the interfaces A are provided with terminals (A1-A4); the other end of the shell 1 is provided with a plurality of interfaces B, and the interfaces B are provided with terminals (B1-B4); the terminals (A1-A4) are electrically connected with the terminals (B1-B4) correspondingly, and connecting wires for the electrical connection are integrated on the substrate; the top of the base body is provided with a radiator, and the radiator is favorable for radiating the connecting wire integrated on the base body; and the interface A and the interface B are both matched and inserted with contact pieces. The invention can simultaneously detect a plurality of electric appliances to be detected, and has the advantages of simple operation, simple structure and good user experience; meanwhile, the invention has better heat dissipation performance.
Description
Technical Field
The invention relates to the field of connectors, in particular to a connector for detecting an electric appliance and a detection device using the connector.
Background
The connector is also called as a connector, mainly provides convenient electrical plug-in connection in electronic products and power equipment, is widely applied to the electronic equipment, and greatly improves the production and maintenance efficiency of the electronic products. Since the reliability of the connection and the size of the contact resistance are increasingly important to the quality of the product due to the large number of plug-in connections, a comprehensive understanding of the performance of the connectors used must be made in order to use the connectors reasonably and correctly.
The basic structure of the connector comprises:
the contact element, which is the core part of the connector to complete the electric connection function, generally comprises a contact pair consisting of an anode contact element and a cathode contact element, and the electric connection is completed through the insertion of the cathode contact element and the anode contact element. The anode contact is a rigid part and is in the shape of a cylinder (round pin), a square cylinder (square pin) or a flat shape (insert). The anode contact is typically made of brass, phosphor bronze. The cathode contact element is a jack which is a key part of the contact pair, and the elastic structure is used for generating elastic deformation when the pin is inserted so as to generate elastic force to form close contact with the male contact element to finish connection. The structure of the jack is various, such as a cylinder type (split groove, necking), a tuning fork type, a cantilever beam type (longitudinal slotting), a folding type (longitudinal slotting, '9' shape), a box type (square jack), a double-sided wire spring jack and the like;
the insulator, also commonly referred to as a base or mounting plate, functions to align the contacts in a desired position and spacing and to ensure insulation between the contacts and the housing. Good insulation resistance, voltage resistance and easy processability are basic requirements for selecting an insulation material to process into an insulator;
an accessory, an accessory sub-structure accessory and a mounting accessory. The structure accessories comprise a clamping ring, a positioning key, a positioning pin, a guide pin, a connecting ring, a cable clamp, a sealing ring, a sealing gasket and the like. The mounting accessories such as screws, nuts, screws, spring rings and the like are mostly provided with standard parts and universal parts.
In the detection field of electrical apparatus, current connector is mostly a connector connection one and waits to detect electrical apparatus, and work efficiency is lower, and the radiating effect of current connector is relatively poor moreover, the performance of connector greatly.
Disclosure of Invention
In order to solve the above problems, the present invention provides a connector for electrical appliance detection and a detection device using the connector, and the connector is mainly used for connecting a plurality of electrical appliances to be detected and has good heat dissipation performance.
In order to achieve the purpose, the invention adopts the technical scheme that: an electrical connector for testing an electrical device, comprising: the number of the housings 1 is such that,
a base body is arranged in the shell 1, and the shell 1 and the base body are both made of insulating materials;
one end of the shell 1 is provided with a plurality of interfaces A, and the interfaces A are provided with terminals (A1-A4);
the other end of the shell 1 is provided with a plurality of interfaces B, and the interfaces B are provided with terminals (B1-B4);
the terminals (A1-A4) are electrically connected with the terminals (B1-B4) correspondingly, and connecting wires for the electrical connection are integrated on the substrate;
the top of the base body is provided with a radiator, and the radiator is favorable for radiating the connecting wire integrated on the base body;
and the interface A and the interface B are both matched and inserted with contact pieces.
Further, in the present invention,
the contact element is provided with an elastic sheet 4, and the elastic sheet 4 is used for clamping the contact element in the interface (A or B); the shell 1 is provided with a plurality of sliding parts 2, the sliding parts 2 can slide to the interfaces A and B, a clamping part is arranged between the sliding parts 2 and the shell 1, and the sliding parts 2 cannot freely slide on the shell 1 under the non-artificial condition;
when the sliding part 2 slides to the position right above the interface (A or B), the sliding part 2 presses the elastic sheet 4 on the contact element, and at the moment, the elastic sheet 4 is in a compressed state and has outward tension, so that the contact element is firmly clamped on the interface (A or B); when the sliding part 2 moves backwards, the sliding part 2 no longer presses the elastic sheet 4 on the contact element, so that the contact element can be easily pulled out.
Further, in the present invention,
the end of the contact is provided with a contact portion 3, and the contact portion 3 is connected with the terminal (A1-A4) or the terminal (B1-B4).
Further, in the present invention,
the terminals (A1-A4) are disposed on one side of the base and extend into the interface A, and the terminal terminals (B1-B4) are disposed on the other side of the base and extend into the interface B.
Further, in the present invention,
the number of the interfaces A is 4-8, and the number of the interfaces B is consistent with that of the interfaces A.
Further, in the present invention,
the terminals (A1-A4) are sequentially a ground terminal (A1), a signal terminal (A2), a configuration channel terminal (A3) and a power supply terminal (A4), and the terminals (B1-B4) are sequentially a ground terminal (B1), a signal terminal (B2), a configuration channel terminal (B3) and a power supply terminal (B4).
A testing apparatus using the connector, comprising:
the acquisition module 5 acquires the electrical parameter values of the electrical appliance to be detected through the connector;
the storage module 8 stores the relationship table of the types of various electric appliances and the corresponding electric parameter values;
the processing module 6 is used for putting the electric parameter values acquired by the acquisition module 5 into the relation table for table lookup so as to obtain a table lookup result of the electric appliance to be detected;
the display module 7 is used for displaying the table look-up result for an operator to observe and record;
the device comprises a detection device body, wherein the acquisition module 5, the storage module 8, the processing module 6 and the display module 7 are arranged on the detection device body.
Further, in the present invention,
the acquisition module 5 comprises a plurality of detection ends arranged on the detection device main body, and the detection ends are electrically connected with the contact piece inserted in the interface A.
Further, in the present invention,
the display module 7 comprises a plurality of displays arranged on the detection device main body, the displays are adjacent to the detection ends, and the displays are used for displaying detection results of electric appliances connected to the corresponding detection ends.
The invention has the beneficial effects that:
compared with the prior art, the invention is provided with a plurality of interfaces A and interfaces B corresponding to the interfaces A, can be connected with a plurality of electrical appliances to be detected, can detect a plurality of electrical appliances simultaneously, and has the advantages of simple operation aspect, simple structure and good user experience;
meanwhile, a radiator is installed at the top of the base body, and the radiator is favorable for heat dissipation of a connecting wire integrated on the base body, so that the electrical performance of the connector is improved.
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
Drawings
Fig. 1 is a schematic top view of a housing 1 according to the invention.
FIG. 2 is a schematic view of the structure of the contact of the present invention.
FIG. 3 is a schematic structural diagram of the detecting device of the present invention.
The reference numbers illustrate: 1. a housing; 2. a slider; 3. a contact portion; 4. a spring plate; 5. an acquisition module; 6. a processing module; 7. a display module; 8. and a storage module.
Detailed Description
Referring to fig. 1-2, the present invention relates to a connector for electrical apparatus detection, comprising: the number of the housings 1 is such that,
a base body is arranged in the shell 1, and the shell 1 and the base body are both made of insulating materials;
one end of the shell 1 is provided with a plurality of interfaces A, and the interfaces A are provided with terminals (A1-A4);
the other end of the shell 1 is provided with a plurality of interfaces B, and the interfaces B are provided with terminals (B1-B4);
the terminals (A1-A4) are electrically connected with the terminals (B1-B4) correspondingly, and connecting wires for the electrical connection are integrated on the substrate;
the top of the base body is provided with a radiator, and the radiator is favorable for radiating the connecting wire integrated on the base body;
the interface A and the interface B are both matched and inserted with contact pieces;
in the scheme, the interface A is electrically connected with the detection device, the interface B is electrically connected with the electric appliance to be detected, and the plurality of interfaces A and B are arranged on the shell 1 and can be connected with the plurality of electric appliances to be detected, so that the plurality of electric appliances can be detected simultaneously, the operation aspect is simple, the structure is simple, and the user experience is good.
Further, in the present invention,
the contact element is provided with an elastic sheet 4, and the elastic sheet 4 is used for clamping the contact element in the interface (A or B); the shell 1 is provided with a plurality of sliding parts 2, the sliding parts 2 can slide to the interfaces A and B, a clamping part is arranged between the sliding parts 2 and the shell 1, and the sliding parts 2 cannot freely slide on the shell 1 under the non-artificial condition;
when the sliding part 2 slides to the position right above the interface (A or B), the sliding part 2 presses the elastic sheet 4 on the contact element, and at the moment, the elastic sheet 4 is in a compressed state and has outward tension, so that the contact element is firmly clamped on the interface (A or B); when the sliding part 2 moves backwards, the sliding part 2 no longer presses the elastic sheet 4 on the contact element, so that the contact element can be easily pulled out.
Further, in the present invention,
the end of the contact is provided with a contact portion 3, and the contact portion 3 is connected with the terminal (A1-A4) or the terminal (B1-B4).
Further, in the present invention,
the terminals (A1-A4) are disposed on one side of the base and extend into the interface A, and the terminal terminals (B1-B4) are disposed on the other side of the base and extend into the interface B.
Further, in the present invention,
the number of the interfaces A is 4-8, and the number of the interfaces B is consistent with that of the interfaces A.
Further, in the present invention,
the terminals (A1-A4) are sequentially a ground terminal (A1), a signal terminal (A2), a configuration channel terminal (A3) and a power supply terminal (A4), and the terminals (B1-B4) are sequentially a ground terminal (B1), a signal terminal (B2), a configuration channel terminal (B3) and a power supply terminal (B4).
Referring to fig. 3, the present invention relates to a detection device using the connector, which is characterized in that the detection device comprises:
the acquisition module 5 acquires the electrical parameter values of the electrical appliance to be detected through the connector; the electrical parameter values refer to a rated voltage value, a rated current value, a rated electric power and the like of the electric appliance to be tested;
the storage module 8 stores the relationship table of the types of various electric appliances and the corresponding electric parameter values;
the processing module 6 is used for putting the electric parameter values acquired by the acquisition module 5 into the relation table for table lookup so as to obtain a table lookup result of the electric appliance to be detected;
the display module 7 is used for displaying the table look-up result for an operator to observe and record;
the device comprises a detection device body, wherein the acquisition module 5, the storage module 8, the processing module 6 and the display module 7 are arranged on the detection device body.
Further, in the present invention,
the acquisition module 5 comprises a plurality of detection ends arranged on the detection device main body, and the detection ends are electrically connected with the contact piece inserted in the interface A.
Further, in the present invention,
the display module 7 comprises a plurality of displays arranged on the detection device main body, the displays are adjacent to the detection ends, and the displays are used for displaying detection results of electric appliances connected to the corresponding detection ends.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (8)
1. An electrical connector for testing an electrical device, comprising: a shell body (1) is arranged in the shell body,
a base body is arranged in the shell (1), and the shell (1) and the base body are both made of insulating materials;
one end of the shell (1) is provided with a plurality of interfaces A, and the interfaces A are provided with terminals A1-A4;
the other end of the shell (1) is provided with a plurality of interfaces B, and the interfaces B are provided with terminals B1-B4;
the terminals A1-A4 are electrically connected with the terminals B1-B4 correspondingly, and connecting wires for the electrical connection are integrated on the substrate;
the top of the base body is provided with a radiator, and the radiator is favorable for radiating the connecting wire integrated on the base body;
the interface A and the interface B are both matched and inserted with contact pieces;
the contact element is provided with an elastic sheet (4), and the elastic sheet (4) is used for clamping the contact element in the interface A or B; the shell (1) is provided with a plurality of sliding parts (2), the sliding parts (2) can slide to the interface A and the interface B, a clamping part is arranged between the sliding parts (2) and the shell (1), and the sliding parts (2) cannot freely slide on the shell (1) under the non-artificial condition;
when the sliding part (2) slides to the position right above the interface A or B, the sliding part (2) presses the elastic sheet (4) on the contact element, and at the moment, the elastic sheet (4) is in a compressed state and has outward tension, so that the contact element is firmly clamped on the interface A or B; when the sliding piece (2) moves backwards, the sliding piece (2) does not press the elastic sheet (4) on the contact piece any more, and therefore the contact piece can be pulled out easily.
2. The electrical appliance testing connector according to claim 1, wherein:
the end of the contact is provided with a contact part (3), and the contact part (3) is connected with the terminal A1-A4 or the terminal B1-B4.
3. The electrical appliance testing connector according to claim 2, wherein:
the terminals A1-A4 are disposed on one side of the base and extend into the interface A, and the terminal terminals B1-B4 are disposed on the other side of the base and extend into the interface B.
4. The electrical appliance testing connector according to claim 3, wherein:
the number of the interfaces A is 4-8, and the number of the interfaces B is consistent with that of the interfaces A.
5. The electrical appliance testing connector according to claim 4, wherein:
the terminals A1-A4 are sequentially a ground terminal A1, a signal terminal A2, a configuration channel terminal A3 and a power supply terminal A4, and the terminals B1-B4 are sequentially a ground terminal B1, a signal terminal B2, a configuration channel terminal B3 and a power supply terminal B4.
6. A detecting device using the connector for detecting an electric appliance according to claim 1, comprising:
the acquisition module (5) is used for acquiring the electrical parameter value of the electric appliance to be detected through the connector;
the storage module (8) is used for storing a relation table of the types of various electric appliances and corresponding electric parameter values;
the processing module (6) is used for putting the electric parameter values acquired by the acquisition module (5) into the relation table for table lookup so as to obtain a table lookup result of the electric appliance to be tested;
the display module (7) is used for displaying the table look-up result for an operator to observe and record;
the device comprises a detection device body, wherein the acquisition module (5), the storage module (8), the processing module (6) and the display module (7) are arranged on the detection device body.
7. The detecting device of the electrical appliance detecting connector according to claim 6, wherein:
the acquisition module (5) comprises a plurality of detection ends arranged on the detection device main body, and the detection ends are electrically connected with the contact piece inserted in the interface A.
8. The detecting device of the electrical appliance detecting connector according to claim 7, wherein:
the display module (7) comprises a plurality of displays arranged on the detection device main body, the displays are adjacent to the detection ends, and the displays are used for displaying detection results of electric appliances connected to the corresponding detection ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511743.0A CN111668675B (en) | 2020-06-08 | 2020-06-08 | Connector for electric appliance detection and detection device using connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511743.0A CN111668675B (en) | 2020-06-08 | 2020-06-08 | Connector for electric appliance detection and detection device using connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111668675A CN111668675A (en) | 2020-09-15 |
| CN111668675B true CN111668675B (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010511743.0A Active CN111668675B (en) | 2020-06-08 | 2020-06-08 | Connector for electric appliance detection and detection device using connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN111668675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557969B (en) * | 2020-11-26 | 2021-07-27 | 北京天创凯睿科技有限公司 | Aircraft electric connector contact reliability tester and detection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907870A (en) * | 2009-06-03 | 2010-12-08 | 光积昌 | Energy saving control device and power supply connector and switch device with same |
| CN103762451A (en) * | 2014-02-17 | 2014-04-30 | 上海航天科工电器研究院有限公司 | Connector with fast locking structure |
| CN207572655U (en) * | 2017-10-24 | 2018-07-03 | 浩亭(珠海)制造有限公司 | Ethernet short band shielded connector |
| CN209029641U (en) * | 2018-10-11 | 2019-06-25 | 河南速达电动汽车科技有限公司 | A kind of electrokinetic cell system TCH test channel connecting line interconnecting device |
| CN209071765U (en) * | 2018-09-11 | 2019-07-05 | 深圳迪力科技有限公司 | A kind of power supply test connector |
| CN210326290U (en) * | 2019-10-23 | 2020-04-14 | 成都纬明科技有限公司 | Cable test adapter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06310087A (en) * | 1993-04-27 | 1994-11-04 | Hitachi Ltd | Relay connector |
| CN109638515B (en) * | 2018-12-05 | 2020-12-29 | 中航光电科技股份有限公司 | Short-circuit protection connector with self-detection structure |
| CN210272957U (en) * | 2019-09-24 | 2020-04-07 | 合肥联宝信息技术有限公司 | Connecting head |
-
2020
- 2020-06-08 CN CN202010511743.0A patent/CN111668675B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907870A (en) * | 2009-06-03 | 2010-12-08 | 光积昌 | Energy saving control device and power supply connector and switch device with same |
| CN103762451A (en) * | 2014-02-17 | 2014-04-30 | 上海航天科工电器研究院有限公司 | Connector with fast locking structure |
| CN207572655U (en) * | 2017-10-24 | 2018-07-03 | 浩亭(珠海)制造有限公司 | Ethernet short band shielded connector |
| CN209071765U (en) * | 2018-09-11 | 2019-07-05 | 深圳迪力科技有限公司 | A kind of power supply test connector |
| CN209029641U (en) * | 2018-10-11 | 2019-06-25 | 河南速达电动汽车科技有限公司 | A kind of electrokinetic cell system TCH test channel connecting line interconnecting device |
| CN210326290U (en) * | 2019-10-23 | 2020-04-14 | 成都纬明科技有限公司 | Cable test adapter |
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| CN111668675A (en) | 2020-09-15 |
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