CN114113693A - Static test switching device for needle-shaped terminal half-bridge type power module - Google Patents
Static test switching device for needle-shaped terminal half-bridge type power module Download PDFInfo
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- CN114113693A CN114113693A CN202010887142.XA CN202010887142A CN114113693A CN 114113693 A CN114113693 A CN 114113693A CN 202010887142 A CN202010887142 A CN 202010887142A CN 114113693 A CN114113693 A CN 114113693A
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- interface
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- direct current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Abstract
The invention discloses a static test switching device for a needle-shaped terminal half-bridge type power module, which comprises: the PCB comprises two copper layers, a module connecting hole on the PCB, and a direct current positive electrode power interface, a direct current positive electrode measuring interface, an output electrode power interface, an output electrode measuring interface, a direct current negative electrode power interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface which are connected to the PCB; the module connecting hole is used for connecting the tested module; the direct current positive electrode power interface, the direct current positive electrode measuring interface, the direct current negative electrode power interface, the direct current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting hole through a copper layer of the PCB; the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through copper layers of the PCB. The adapter plate can realize flexible connection between the needle-shaped terminal half-bridge power module and the static tester.
Description
Technical Field
The invention belongs to the technical field of power module testing, and particularly relates to a static test switching device for a needle-shaped terminal half-bridge type power module.
Background
Due to the flexibility of the terminal position and good compatibility with PCB boards, power modules using pin terminals (pin pins) have been developed greatly, such as EasyB series of the english flying, flow series of the Vincotech, and the like.
Static testing is an important component of power module testing, and static testers generally use large current leads to connect with the module. For a power module with pin-shaped terminals, the terminals are pin-shaped, and the connecting leads can only be connected in the form of clips. And a single electrode generally comprises a plurality of terminals, and the terminals are closely arranged, so that the number of the required clamps is large, and the clamps are easy to touch and short-circuit, so that the module and the static tester are inconvenient to connect, and a static test adapter plate is required for switching.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a static test switching device for a needle terminal half-bridge type power module, aiming at solving the problem that the needle terminal power module is difficult to be directly connected with a static tester by a lead.
The invention provides a static test switching device for a needle-shaped terminal half-bridge type power module, which comprises: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the output electrode measuring interface, the direct current negative electrode measuring interface, the upper pipe driving interface and the lower pipe driving interface are arranged on the PCB; the direct current positive electrode power interface, the output electrode power interface and the direct current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; and the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
Furthermore, the direct current positive electrode power interface, the direct current positive electrode measuring interface, the direct current negative electrode power interface, the direct current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting holes corresponding to the module main power terminals through copper layers of the PCB.
Furthermore, the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through the copper layer of the PCB.
Furthermore, the module connecting hole is a through hole welding pad, and the needle-shaped terminal of the tested module is welded in the module connecting hole in a welding mode and is connected with each interface on the PCB.
Further, each interface uses a banana head mount for mating with the banana head lead of the static tester.
The invention also provides a needle-shaped terminal half-bridge type power module which comprises a main power positive terminal, a main power negative terminal, a main power output terminal, an upper tube driving terminal, a lower tube driving terminal, a thermistor terminal and a static test switching device; the static test switching device is used for providing a switching interface for the connection between the tested module and the power module during static measurement; the static test switching device comprises: the PCB comprises two copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the output electrode measuring interface, the direct current negative electrode measuring interface, the upper pipe driving interface and the lower pipe driving interface are arranged on the PCB; the direct current positive electrode power interface, the output electrode power interface and the direct current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
Furthermore, the module connecting hole is a through hole welding pad, and the needle-shaped terminal of the tested module is welded in the module connecting hole in a welding mode and is connected with each interface on the PCB.
Further, each interface uses a banana head mount for mating with the banana head lead of the static tester.
According to the invention, the mode that the adapter plate is connected with the module to be tested and the interfaces of the terminals are led out is adopted, so that the needle-shaped terminal half-bridge type power module and the static tester can be directly connected by adopting a banana head connecting wire, and the reliable and flexible connection between the needle-shaped terminal half-bridge type power module and the static tester is realized; in addition, the flexibility of connection between the test board and the module is increased by leaving a module connection hole area separately in the center of the PCB for module connection, the location of which corresponds to the terminal of the module.
Drawings
Fig. 1 is an external view of a module under test corresponding to a static test adapter for a pin terminal half-bridge power module according to an embodiment of the present invention;
FIG. 2 is a three-dimensional layout of a static test adapter with a module under test according to an embodiment of the present invention;
FIG. 3 is a top layout view of a static test adapter according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating an upper copper layer of a PCB board of the static test adaptor according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a distribution of a lower copper layer of a PCB board of the static test adaptor according to an embodiment of the present invention;
the same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: the device comprises a main power positive terminal 1, a main power negative terminal 2, a main power output terminal 3, an upper tube driving terminal 4, a lower tube driving terminal 5, a thermistor terminal 6, a direct current positive electrode power interface 7, a direct current positive electrode measurement interface 8, a direct current negative electrode power interface 9, a direct current negative electrode measurement interface 10, an output electrode power interface 11, an output electrode measurement interface 12, an upper tube driving interface 13, a lower tube driving interface 14, a PCB 15, a module to be tested 16, a module connecting hole 17, a direct current positive electrode copper layer 18, an output electrode copper layer 19, a direct current negative electrode copper layer 20, an upper tube driving connecting copper wire 21 and a lower tube driving connecting copper wire 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a static test switching device for a needle-shaped terminal half-bridge type power module, which can realize the connection between the needle-shaped terminal half-bridge type power module and a static tester; the static test switching device for the needle terminal half-bridge type power module comprises: the PCB comprises a PCB with two copper layers, a module connecting hole arranged on the PCB, and a direct current positive electrode power interface, a direct current positive electrode measuring interface, an output electrode power interface, an output electrode measuring interface, a direct current negative electrode power interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface which are connected to the PCB.
The module connecting hole is used for connecting a needle-shaped terminal of a module to be tested, and the direct-current positive electrode power interface, the direct-current positive electrode measuring interface, the direct-current negative electrode power interface, the direct-current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting hole corresponding to the module main power terminal through a copper layer of the PCB; the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through copper layers of the PCB.
The direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a tested switch tube in a tested module in a static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of the static tester and measuring the voltage on a tested switch tube in the tested module; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
In the embodiment of the invention, the needle-shaped terminal of the tested module can be welded in the module connecting hole in a welding mode and is connected with each interface on the PCB.
As an embodiment of the present invention, each interface uses a banana head mount for mating with the banana head lead of the static tester.
According to the invention, each terminal of the module is led out by the adapter plate, so that the needle-shaped terminal half-bridge type power module and the static tester can be directly connected by adopting a banana head lead, and the reliable and flexible connection between the needle-shaped terminal half-bridge type power module and the static tester is realized.
In order to further explain the static test switching device for the pin terminal half-bridge type power module provided by the embodiment of the invention, the technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides a static test switching device for a needle-shaped terminal half-bridge type power module, and aims to realize the connection between the needle-shaped terminal half-bridge type power module and a static tester. As shown in fig. 1, an external view of a module under test corresponding to the static test adapter for a pin terminal half-bridge power module provided in this embodiment is shown; the needle-like terminal thereof is divided into: the main power positive terminal 1, the main power negative terminal 2, the main power output terminal 3, the upper tube driving terminal 4, the lower tube driving terminal 5 and the thermistor terminal 6.
Fig. 2 is a three-dimensional layout view of the static test adaptor device with the tested module according to the embodiment of the present invention, and fig. 3 is a top layout view of the static test adaptor device according to the embodiment of the present invention; the static test switching device comprises: the device comprises a direct current positive electrode power interface 7, a direct current positive electrode measuring interface 8, a direct current negative electrode power interface 9, a direct current negative electrode measuring interface 10, an output electrode power interface 11, an output electrode measuring interface 12, an upper tube driving interface 13, a lower tube driving interface 14, a PCB 15 and a module connecting hole 17 on the PCB.
The direct current positive electrode power interface 7, the output electrode power interface 11 and the direct current negative electrode power interface 9 are used for being connected with a power lead of a static tester and providing voltage and current for a tested switch tube in a tested module 16 in a static test; the direct current positive electrode measuring interface 8, the output electrode measuring interface 12 and the direct current negative electrode measuring interface 10 are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module 16; the upper tube driving interface 13 and the lower tube driving interface 14 are used for being connected with a driving lead of the static tester and providing a driving signal for a tested switching tube in the tested module 16; each interface uses a banana head seat matched with a banana head lead of the static tester. The pin terminals 1-6 of the tested module 16 are connected with the module connecting holes 17 on the PCB 15 in a welding mode, and are connected with the corresponding interfaces 7-14 through the copper layer of the PCB 15.
Fig. 4 is a diagram illustrating an upper copper layer of a PCB of a static test adaptor device according to an embodiment of the present invention, and fig. 5 is a diagram illustrating a lower copper layer of a PCB of a static test adaptor device according to an embodiment of the present invention; the direct-current positive electrode power interface 7 and the direct-current positive electrode measurement interface 8 are connected to corresponding module connecting holes 17 through a direct-current positive electrode copper layer 18 and further connected with a main power positive terminal 1 of the module; the direct current negative electrode power interface 9 and the direct current negative electrode measurement interface 10 are connected to the corresponding module connecting holes 17 through the direct current negative electrode copper layer 20, and further connected with the main power negative terminal 2 of the module; the output electrode power interface 11 and the output electrode measurement interface 12 are connected to the corresponding module connecting holes 17 through an output electrode copper layer 19, and further connected with the main power output terminal 3 of the module; the upper tube driving interface and the lower tube driving interface are respectively connected to corresponding module connecting holes through an upper tube driving connecting copper wire 21 and a lower tube driving connecting copper wire 22, and then are respectively connected to the upper tube driving terminal 4 and the lower tube driving terminal 5.
Through above technical scheme, compare with prior art, owing to adopt the keysets to draw forth each terminal of module, solved the problem that is difficult to be connected between static tester and the needle terminal half-bridge type power module, can make and can adopt banana head lead wire lug connection between needle terminal half-bridge type power module and the static tester, realized the reliable nimble connection between the two.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A static test transition device for a pin terminal half-bridge type power module, comprising: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the output electrode measuring interface, the direct current negative electrode measuring interface, the upper pipe driving interface and the lower pipe driving interface are arranged on the PCB;
the direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test;
the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test;
and the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
2. The static test adaptor of claim 1 wherein said positive dc electrode power port, said positive dc electrode measurement port, said negative dc electrode power port, said negative dc electrode measurement port, said output electrode power port and said output electrode measurement port are connected to corresponding module connection holes of a module main power terminal through a copper layer of a PCB board.
3. The static test adaptor of claim 1 or 2 wherein said upper tube driving interface and said lower tube driving interface are connected to corresponding module connection holes of module driving terminals through copper layers of a PCB board.
4. The static test switching device according to any one of claims 1 to 3, wherein the module connecting holes are through-hole pads, and the pin terminals of the module under test are soldered in the module connecting holes and connected to the respective interfaces on the PCB by soldering.
5. The static test adaptor of any one of claims 1 to 4 wherein each interface uses a banana head mount for mating with a banana head lead of a static tester.
6. A needle-shaped terminal half-bridge type power module is characterized by comprising a main power positive terminal (1), a main power negative terminal (2), a main power output terminal (3), an upper tube driving terminal (4), a lower tube driving terminal (5), a thermistor terminal (6) and a static test switching device;
the static test switching device is used for providing a switching interface for the connection between the tested module and the power module during static measurement; the static test switching device comprises: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the output electrode measuring interface, the direct current negative electrode measuring interface, the upper pipe driving interface and the lower pipe driving interface are arranged on the PCB; the direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
7. The pin terminal half-bridge type power module according to claim 6, wherein the module connection holes are through-hole pads, and the pin terminals of the module under test are soldered in the module connection holes and connected to the respective interfaces on the PCB by soldering.
8. The pin terminal half-bridge power module according to claim 6 or 7, wherein each interface uses a banana head mount for mating with a banana head lead of a static tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887142.XA CN114113693A (en) | 2020-08-28 | 2020-08-28 | Static test switching device for needle-shaped terminal half-bridge type power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887142.XA CN114113693A (en) | 2020-08-28 | 2020-08-28 | Static test switching device for needle-shaped terminal half-bridge type power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114113693A true CN114113693A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887142.XA Pending CN114113693A (en) | 2020-08-28 | 2020-08-28 | Static test switching device for needle-shaped terminal half-bridge type power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114113693A (en) |
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2020
- 2020-08-28 CN CN202010887142.XA patent/CN114113693A/en active Pending
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