CN205427008U - Ground connection anchor clamps and have its oscilloprobe - Google Patents
Ground connection anchor clamps and have its oscilloprobe Download PDFInfo
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- CN205427008U CN205427008U CN201520916493.3U CN201520916493U CN205427008U CN 205427008 U CN205427008 U CN 205427008U CN 201520916493 U CN201520916493 U CN 201520916493U CN 205427008 U CN205427008 U CN 205427008U
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Abstract
The utility model discloses a ground connection anchor clamps and have its oscilloprobe had both shown and had reduced work load, had also avoidd the risk that the welding brought, dismantle simultaneously remove convenient. The ground connection anchor clamps include: a bonding conductor includes a connection subject and lies in the connection projection of a connection subject one end, the 2nd bonding conductor includes the 2nd connection subject and lies in the connecting hole of the 2nd connection subject one end, and at least one probe ground needle, connect in a connection subject and/or on the 2nd connection subject, wherein, a bonding conductor with the 2nd bonding conductor lies in the both sides of the PCB board that awaits measuring respectively, just it runs through to connect the projection the PCB board that awaits measuring is fixed in in the connecting hole, probe ground needle passes through a bonding conductor or the 2nd bonding conductor with the earthing terminal intercommunication ground connection of PCB board of awaiting measuring.
Description
Technical field
This utility model relates to pcb board technical field of measurement and test, particularly relates to a kind of earthing clamp and has its oscilloprobe.
Background technology
Using oscillograph, data communication products is pcb board (PrintedCircuitBoard, printed circuit board (PCB)) low speed signal test time, need welding probe ground pin (being welded on the earth terminal of other solderable positions on the earth terminal of device or pcb board) on pcb board, carry out ground connection to be inserted into by the probe ground wire of oscilloprobe on probe ground pin.Welding operation for convenience, probe ground pin is typically welded to the earth terminal of big patch capacitor.It addition, because probe ground wire length limitation and Multi probe are tested simultaneously, usual one piece of pcb board may need according to demand weld tens of probe ground pins.But, probe ground pin be welded and fixed and cutting disassembling causes workload compared with big and efficiency is low, there is also the risk causing pcb board device or pad to damage simultaneously.
Utility model content
In view of this, the utility model proposes a kind of easy to operate succinct earthing clamp and there is its oscilloprobe to solve above-mentioned technical problem.
In order to achieve the above object, the technical scheme that this utility model is used is:
According to the first aspect of this utility model embodiment, a kind of earthing clamp is proposed, including:
First connect conductor, including the first connection main body and be positioned at described first connect main body one end connection projection；
Second connect conductor, including the second connection main body and be positioned at described second connect main body one end connecting hole；And
At least one probe ground pin, is connected to described first and connects in main body and/or described second connection main body；
Wherein, described first connection conductor and described second connects conductor and lays respectively at the both sides of pcb board to be measured, and described connection projection runs through described pcb board to be measured, being fixed in described connecting hole, described probe ground pin connects conductor by described first or described second connection conductor connects ground connection with the earth terminal of described pcb board to be measured.
Further improvement is that of this utility model earthing clamp, connects on the bearing of trend of conductor at described connection projection the most described first, and the projection outline of described connection projection is positioned at the described first projection outline connecting conductor.
Further improvement is that of this utility model earthing clamp, described first connection main body is hexagonal prism, and the outline of described connection projection is cylinder.
Further improvement is that of this utility model earthing clamp, described connection projection is screw thread projection, and described connecting hole is screwed hole.
Further improvement is that of this utility model earthing clamp, described first other end connecting main body includes the connecting hole of indent；Described second other end connecting main body includes connection projection.
Further improvement is that of this utility model earthing clamp, described first other end connecting main body includes connecting projection, and described second other end connecting main body includes connecting hole.
Further improvement is that of this utility model earthing clamp, one end of described probe ground pin includes threaded cylindrical, and described first connects main body and described second connects and be provided with some and described threaded cylindrical in main body and coordinate the screwed hole fixed.
Second aspect according to this utility model embodiment, a kind of oscilloprobe is proposed, including: probe body, it is arranged at the probe testing needle of described probe body and is connected to the probe ground wire of probe ground pin, and the earthing clamp as according to any one of above-mentioned, described earthing clamp auxiliary described probe ground pin is communicated in the earth terminal of pcb board to be measured.
Compared with prior art, this utility model devises a kind of earthing clamp, it is removably secured and is connected on pcb board to be measured, auxiliary probe ground pin is connected to the earth terminal of pcb board to be measured, thus without welding operation, both significantly reduced workload, and also evaded the risk that welding brings, dismantled conveniently moving simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first connection conductor of this utility model earthing clamp；
Fig. 2 is the overall structure schematic diagram of this utility model earthing clamp；
Fig. 3 is the structural representation that this utility model earthing clamp is applied to an embodiment of pcb board to be measured；
Fig. 4 is the structural representation that this utility model earthing clamp is applied to the another embodiment of pcb board to be measured；
Fig. 5 be this utility model oscilloprobe with earthing clamp with the use of structural representation.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments are not limiting as this utility model, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are all contained in protection domain of the present utility model.
The term used at this utility model is only merely for describing the purpose of specific embodiment, and is not intended to be limiting this utility model." a kind of ", " described " and " being somebody's turn to do " of singulative used in this utility model and appended claims is also intended to include most form, unless context clearly shows that other implications.It is also understood that any or all possible combination that term "and/or" used herein refers to and comprises one or more project of listing being associated.
Although should be appreciated that may use term first, second etc. to describe various structure at this utility model, but these structures should not necessarily be limited by these terms.These terms are only used for same type of structure is distinguished from each other out.Such as, in the case of without departing from this utility model scope, first connects conductor can also be referred to as the second connection conductor, and similarly, second connects conductor can also be referred to as the first connection conductor, depends on linguistic context.
As shown in figures 1 and 3, Fig. 1 is the structural representation that the first of this utility model earthing clamp connects conductor；Fig. 2 is the overall structure schematic diagram of this utility model earthing clamp；Fig. 3 is the structural representation that this utility model earthing clamp is applied to an embodiment of pcb board to be measured.This utility model utilizes earthing clamp 2 to replace in prior art by being welded to connect probe ground pin, this earthing clamp 2 can fasten with electric screwdriver, installs simple, and after installation, the front and back of pcb board 3 to be measured can use probe ground pin 14, has been obviously improved test effect.It addition, the assembling that this earthing clamp 2 can be disassembled, the optional position of pcb board 3 to be measured can be assemblied according to demand.
Earthing clamp 2 includes that the first connection conductor 21 and second connects conductor 22.This first connection conductor 21 and the second connection conductor 22 lay respectively at the front and back of pcb board 3 to be measured and are fixed on pcb board 3 to be measured with combination assembling.Wherein, probe ground pin 14 is selectively secured on the first connection conductor 21 and the second connection conductor 22.
Specifically, the first connection conductor 21 and the second connection conductor 22 entirety are column.First connects conductor 21 includes the first connection main body 211 and is positioned at the connection projection 212 of first connection main body 211 one end.Second connects conductor 22 includes the second connection main body 221 and is positioned at the connecting hole (not shown) of second connection main body 221 one end.First connection conductor 21 and the second connection conductor 22 lay respectively at the both sides of pcb board 3 to be measured, and by connect projection 212 run through pcb board 3 to be measured mate with connecting hole fix, so that earthing clamp 2 is connected to pcb board 3 to be measured, it is provided with multiple for connecting the grounding through hole that projection 212 is fitted on pcb board 3 to be measured, until this connection projection 212 be fitted into through hole and coordinate with connecting hole fixing after, first connects main body 211 connects the end face that main body 221 contacts with pcb board 3 to be measured and connects ground connection with the pad at pcb board 3 grounding through hole to be measured respectively with second.
Wherein, first connects main body 211 and/or second connects with there being at least one probe pin 14 of connection in main body 221, and probe ground pin 14 passes through the first connection conductor 21 or the second connection conductor 22 connects ground connection with the earth terminal of pcb board 3 to be measured.Optionally, in an embodiment of the present utility model, this probe ground pin 14 can connect main body 221 by being fixedly welded on the first connection main body 211 or second；In another embodiment of the present utility model, one end of this probe ground pin 14 includes threaded cylindrical, it is provided with some screwed holes coordinating with threaded cylindrical and fixing in first connection main body 211 and the second connection main body 221, i.e. by the fit system of threaded cylindrical with screwed hole, probe ground pin 14 is screwed in the first connection main body 211 or second and connects main body 221, specifically, screwed hole can be arranged on the optional position of all sides of the first connection main body 211 or the second connection main body 221 according to demand.Certainly, in other embodiments of the present utility model, it is also possible to by interference snap-fit etc., however it is not limited to above two embodiment.
As shown in Figure 3, in an embodiment of the present utility model, connect main body 211 and second first and connect with all can assembling probe on all sides of main body 221 pin 14, this probe ground pin 14 can be made to be positioned at the either above or below of pcb board 3 to be measured, such that it is able to make probe ground pin 14 dodge the components and parts on pcb board 3 to be measured as the case may be.Additionally, as shown in Figure 4, in another embodiment of the present utility model, this the first connection main body 211 and second connects with can having the multiple probe of application on all sides of main body 221 pin 14, probe ground pin 14 can be any amount, any towards, in order to the signal testing of diverse location on pcb board 3 to be measured.As shown in Figure 3 and Figure 4, when earthing clamp 2 is arranged on pcb board 3 to be measured, can be by the bottom support of the second connection main body 221 of earthing clamp 2 in test platform (not shown), so that pcb board to be measured 3 can be stably placed at test platform.
Further, referring again to shown in Fig. 1 to Fig. 3, connect on the bearing of trend of conductor 21 connecting projection 212 relative first, the projection outline of this connection projection 212 is positioned at the projection outline of the first connection conductor 21, it is arranged such with in order to when earthing clamp 2 is connected to pcb board 3 to be measured, only allow that connection projection 212 runs through the through hole on pcb board 3 to be measured, and the first connection main body 211 is held on pcb board 3 to be measured, specifically, when connecting projection 212 and running through on pcb board 3 to be measured, the outline of the through hole on pcb board 3 to be measured is more than the outline connecting projection 212, and less than the outline of the first connection main body 211.Wherein, the length of this connection projection 212, more than the thickness of pcb board 3 to be measured, is arranged such the screwed hole just can being connected in main body 221 with second and connects fixing.In this utility model, this first cross sectional shape connecting main body 211 can have any shape, such as: regular polygon, circle etc..Preferably, the first connection main body 211 and the second connection main body 221 are hexagonal prism, and the outline connecting projection 212 is cylinder, consequently facilitating use electric screwdriver or sleeve to be fastened.In a preferred embodiment of the present utility model, connecting projection 212 is screw thread projection, connecting hole is screwed hole, it is arranged such that this earthing clamp 2 assembles simple, quick, testing efficiency can be obviously improved, and move on to easy accessibility during another position from a position, mobility is good, it is to avoid welding easily causes the risk that on pcb board 3, components and parts or pad damage.
Optionally, first connects conductor 21 is connected the connection conductor that conductor 22 is same structure with second, and i.e. first other end connecting main body 211 includes the connecting hole of indent；Second other end connecting main body 221 includes connection projection.Due in actual test process, two are needed to connect conductor, in this embodiment, first connects conductor 21 and second connects the connection conductor that conductor 22 is same structure, so it is convenient to the unified production of producer, and being easy to tester's assembling, welcome use two connects conductor and coordinates and be fixed on pcb board 3 to be measured, it is not necessary to select fixing matched combined.Certainly, in other embodiments, first other end connecting main body 211 includes connecting projection, the connecting hole that second other end connecting main body 221 includes, preferably, this connection projection and connecting hole and first connect connection projection 212 and the structure that connecting hole is same type and size of the second connection conductor 22 of conductor 21, it is arranged such and first will connect main body 211 and second and connect main body 221 and distinguish, but first connects any one end of conductor 21 and second any one end connecting conductor 22 can cooperate fixing connection.
As shown in Figure 5, this utility model also proposes a kind of oscilloprobe 100, including: probe body 11, it is arranged at the probe testing needle 12 of probe body 11, it is connected to the probe ground wire 13 of probe ground pin 14, and earthing clamp 2, wherein, this earthing clamp 2 auxiliary probe ground pin 14 is communicated in the earth terminal of pcb board 3 to be measured.Just it is no longer repeated at this for this earthing clamp 2 assembling mode specifically.
This utility model devises a kind of earthing clamp and has its oscilloprobe, replace existing by probe ground pin be welded to pcb board to be measured, the risk that the components and parts on pcb board to be measured or pad damage can be avoided, this probe ground pin need not welding, being removably secured and be connected on pcb board to be measured, auxiliary probe ground pin is connected to the earth terminal of pcb board to be measured, has both significantly reduced workload, also evade the risk that welding brings, dismantle conveniently moving simultaneously.
Those skilled in the art, after considering description and putting into practice utility model disclosed herein, will readily occur to other embodiment of the present utility model.The application is intended to any modification of the present utility model, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present utility model and include the undocumented common knowledge in the art of this utility model or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope of the present utility model and spirit are pointed out by claims hereof.
It should be appreciated that this utility model is not limited to precision architecture described above and illustrated in the accompanying drawings, and various modifications and changes can carried out without departing from the scope.Scope of the present utility model is only limited by appended claim.
Claims (8)
1. an earthing clamp, it is characterised in that including:
First connect conductor, including the first connection main body and be positioned at described first connect main body one end connection projection；
Second connect conductor, including the second connection main body and be positioned at described second connect main body one end connecting hole；And,
At least one probe ground pin, is connected to described first and connects in main body and/or described second connection main body；
Wherein, described first connection conductor and described second connects conductor and lays respectively at the both sides of pcb board to be measured, and described connection projection runs through described pcb board to be measured, being fixed in described connecting hole, described probe ground pin connects conductor by described first or described second connection conductor connects ground connection with the earth terminal of described pcb board to be measured.
Earthing clamp the most according to claim 1, it is characterised in that connect on the bearing of trend of conductor at described connection projection the most described first, the projection outline of described connection projection is positioned at the described first projection outline connecting conductor.
Earthing clamp the most according to claim 2, it is characterised in that described first connection main body is hexagonal prism, and the outline of described connection projection is cylinder.
Earthing clamp the most according to claim 3, it is characterised in that described connection projection is screw thread projection, described connecting hole is screwed hole.
Earthing clamp the most according to claim 1, it is characterised in that described first other end connecting main body includes the connecting hole of indent；Described second other end connecting main body includes connection projection.
Earthing clamp the most according to claim 1, it is characterised in that described first other end connecting main body includes connecting projection, described second other end connecting main body includes connecting hole.
Earthing clamp the most according to claim 1, it is characterised in that one end of described probe ground pin includes threaded cylindrical, described first connects main body and described second connects and is provided with some and described threaded cylindrical in main body and coordinates the screwed hole fixed.
8. an oscilloprobe, it is characterized in that, including: probe body, it is arranged at the probe testing needle of described probe body, it is connected to the probe ground wire of probe ground pin, and the earthing clamp as according to any one of claim 1 to 7, described earthing clamp auxiliary described probe ground pin is communicated in the earth terminal of pcb board to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916493.3U CN205427008U (en) | 2015-11-16 | 2015-11-16 | Ground connection anchor clamps and have its oscilloprobe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916493.3U CN205427008U (en) | 2015-11-16 | 2015-11-16 | Ground connection anchor clamps and have its oscilloprobe |
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| Publication Number | Publication Date |
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| CN205427008U true CN205427008U (en) | 2016-08-03 |
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| CN201520916493.3U Active CN205427008U (en) | 2015-11-16 | 2015-11-16 | Ground connection anchor clamps and have its oscilloprobe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076860A (en) * | 2020-08-19 | 2022-02-22 | 华中科技大学 | Voltage detection device for half-bridge type power module |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076860A (en) * | 2020-08-19 | 2022-02-22 | 华中科技大学 | Voltage detection device for half-bridge type power module |
| CN114076860B (en) * | 2020-08-19 | 2023-02-28 | 华中科技大学 | Voltage detection device for half-bridge type power module |
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee after: Xinhua three Technology Co., Ltd. Address before: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee before: Huasan Communication Technology Co., Ltd. |