CN205941775U - Ground connection measuring equipment and ground connection measurement system - Google Patents
Ground connection measuring equipment and ground connection measurement system Download PDFInfo
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- CN205941775U CN205941775U CN201521088339.8U CN201521088339U CN205941775U CN 205941775 U CN205941775 U CN 205941775U CN 201521088339 U CN201521088339 U CN 201521088339U CN 205941775 U CN205941775 U CN 205941775U
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- earthmeter
- measuring head
- pin
- ground connection
- coaxial cable
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Abstract
The utility model relates to the field of electronic technology, a ground connection measuring equipment is disclosed, it includes a network analyzer and an at least coaxial cable. Coaxial cable's one end and network analyzer are connected, and the other end is equipped with the measuring head. Wherein, the measuring head includes: with coaxial cable's cable core electric connection's signal needle and with coaxial cable's conducting layer electric connection's grounding pin, the signal needle is insulating each other with grounding pin. Adopt the applied scene that this kind of ground connection measuring equipment or this ground connection methods of measurement can a plurality of junctions of adaptation to the ground connection measurement system who adopts this kind of ground connection measuring equipment to make can carry out the ground connection reliability to mobile terminal in batches high -efficiently and judge.
Description
Technical field
The utility model is related to electronic technology field, particularly to a kind of earthmeter equipment and earthmeter system.
Background technology
The mobile terminal device employing metal edge frame typically requires the metal center in metal edge frame and mobile terminal
Connect, so that metal edge frame is grounded.Both this to the usual more than one of junction, thus to a greater extent strengthen product
Performance reliability.
In the prior art, the reliability measurement for junction is all generally to be realized by the ohms range of universal meter
's.But when the quantity of junction is multiple, as long as the contact having a junction is normal, the measurement result of universal meter
It is all normal, this have impact on the reliability to junction and judges.
Utility model content
The purpose of this utility model is to provide a kind of earthmeter equipment and earthmeter system, and this kind of earthmeter sets
The standby application scenarios being adapted to when there is multiple junction, and the earthmeter system made using this kind of earthmeter equipment
System efficiently can carry out Earthing Reliability judgement to mobile terminal by batch.
For solving above-mentioned technical problem, embodiment of the present utility model provides a kind of earthmeter equipment, and it includes
Network Analyzer and at least one coaxial cable.One end of coaxial cable is connected with Network Analyzer, and the other end is provided with test
Head.Wherein, measuring head includes：Electrically connect with the signal pin of the cable core electric connection of coaxial cable with the conductive layer of coaxial cable
The grounding pin connecing, signal pin and grounding pin mutually insulated.
In terms of existing technologies, embodiment of the present utility model is by being applied to ground measuring by Network Analyzer
It is achieved that be directed to the independence measurement of single junction when there is multiple junction in amount field.Its measurement result is more accurate,
GRR is good.
Preferably, when centre frequency is 800M to 1200M, and frequency bandwidth is 200M to 400M, measurement result is the most
Accurately.
Preferably, grounding pin is hollow tube-shape, signal pin stretches out in grounding pin.This structure can be preferably suitable
Answer most junction shape, its application scenarios is relatively broad.
Preferably, measuring head is multiple, and each measuring head passes through same switching switch and connects to Network Analyzer.
Consequently, it is possible to the different parts that multiple measuring heads can be respectively directed to product to be measured measure, improve measurement efficiency.
Preferably, measuring head also includes the shell with cavity, coaxial cable is connected with the diapire of shell.Wherein, believe
Number pin and grounding pin are all at least part of within the cavity, and signal pin and grounding pin pass through signal elastic component and ground connection respectively
Elastic component is connected with the diapire of shell.During using elastomer signal pin and elastic grounding pin, irregular junction also can
Carry out earthmeter by the way of perpendicular contact, it operates simpler convenience.
Under technical scheme based on elastomer signal pin and the earthmeter equipment of elastic grounding pin, enforcement of the present utility model
Mode additionally provides a kind of earthmeter system, and it is used for judging connecting between the metal edge frame of mobile terminal and metal center
Whether portion turns on.Wherein, when measuring head supports on junction, the syringe needle of signal pin and the syringe needle of grounding pin respectively with connect
Portion contacts with metal center.The distance between the syringe needle of signal pin and the syringe needle of grounding pin are more than two of lie farthest away on junction
The distance between point.
Thus, you can realize the measurement of the junction between the metal edge frame to mobile terminal and metal center.
Further, preferably, earthmeter system also includes the fixture for clamping mobile terminal.Now measuring head
For multiple, each measuring head is connected to a switching switch, switching switch and Network Analyzer by different TCH test channels
Connect, fixture is oppositely arranged with measuring head.When mobile terminal is installed on fixture, each measuring head supports correspondingly and is moving
On each junction in dynamic terminal.In measurement, each measuring head is supported on junction, by switching switch switching
Different TCH test channels is so that each junction is measured successively, you can expeditiously draw the measurement knot of this mobile terminal
Really.
And preferably, earthmeter system is also included for controlling switching switch to switch successively on each TCH test channel
Control circuit.Using control circuit so that the passage handoff procedure full automation of switching switch, reduce tester
Labour intensity.
In addition, preferably, earthmeter system also includes computing terminal, computing terminal and Network Analyzer communication link
Connect.Computing terminal can store measurement result, draws experiment curv, calculate yields, follow-up production and analysis are played long-pending
Pole acts on.
Brief description
Fig. 1 is the general illustration of the utility model first embodiment earthmeter equipment；
Fig. 2 is the generalized section of the utility model first embodiment earthmeter equipment measuring head 3 part；
Fig. 3 is the module frame chart of the utility model the 4th embodiment earthmeter system.
Description of reference numerals：
1st, Network Analyzer；2nd, coaxial cable；21st, cable core；22nd, conductive layer；3rd, measuring head；31st, shell；32nd, diapire；33
Signal pin；34th, signal elastic component；35 grounding pins；36 ground connection elastic components.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Each embodiment of type is explained in detail.However, it is it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands that the application proposes many ins and outs.But, even if there is no these
Ins and outs and the many variations based on following embodiment and modification are it is also possible to realize required by each claim of the application
The technical scheme of protection.
First embodiment of the present utility model provides a kind of earthmeter equipment, and referring to shown in Fig. 1,2, it includes net
Network analyzer 1 and at least one coaxial cable 2.One end of coaxial cable 2 is connected with Network Analyzer 1, and the other end is provided with survey
Examination 3.Wherein, measuring head 3 includes：The signal pin 33 that is electrically connected with the cable core 21 of coaxial cable 2 and with the leading of coaxial cable 2
The grounding pin 35 that electric layer 22 is electrically connected with, signal pin 33 and grounding pin 35 mutually insulated.
In the present embodiment, grounding pin 35 is hollow tube-shape, and signal pin 33 stretches out in grounding pin 35.This structure
Most junction shape can preferably be adapted to, its application scenarios is relatively broad.Certainly, signal pin 33 He being separated from each other
Grounding pin 35 also can substantially meet utility model purpose of the present utility model.
Obviously, in the present embodiment, measuring head 3 can be one or multiple, when measuring head 3 is multiple,
Each measuring head 3 passes through same switching switch and connects to Network Analyzer 1.Consequently, it is possible to multiple measuring heads 3 can distinguish pin
The different parts of product to be measured are measured, improves measurement efficiency.
Based on present embodiment, the utility model provides a kind of application process of earthmeter equipment, and the method is used for
Judge to treat whether the junction between grounded conductive body and grounded conductive body turns on, comprise the steps：
Connecting coaxial cable and Network Analyzer；
The centre frequency of setting Network Analyzer and frequency bandwidth；
The cable core of coaxial cable is electrically connected with junction, the conductive layer of coaxial cable and grounded conductive body are electrically connected
Connect, read the analysis result of Network Analyzer；
Judge whether junction turns on according to analysis result.
Wherein, centre frequency is 800M to 1200M, can be preferably 1000M, and frequency bandwidth is 200M to 400M, excellent
Choosing can be 300M.Measurement result in this interval range is the most accurate.
When the conducting of this junction is all right, radio frequency path is very short, and the impedance showing on Network Analyzer is bent
Line converges to one section of less curve (i.e. each Frequency point impedance ranges are relatively concentrated), and is located at Low ESR area, if this curve is mark
Directrix curve.When the conducting situation of junction is bad, radio frequency path is elongated.Elongated (the i.e. each Frequency point impedance ranges of impedance curve
Dispersion), compared with calibration curve, position skew is larger.
In terms of existing technologies, embodiment of the present utility model passes through for Network Analyzer 1 to be applied to ground measuring
It is achieved that be directed to the independence measurement of single junction when there is multiple junction in amount field.Due to dividing of Network Analyzer
Analysis precision be significantly improved for universal meter, therefore its measurement result is more accurate, in addition repeatability and
Repeatability is also more preferable.
Second embodiment of the present utility model provides a kind of earthmeter method, and second embodiment is the first enforcement
The improvement further of mode；Mainly the improvement is that, in second embodiment of the present utility model：Signal pin 33 and ground connection
Pin 35 and position Elastic Contact to be measured.
Specifically, with reference to shown in Fig. 2, measuring head 3 also includes the shell 31 with cavity, coaxial cable 2 and shell 31
Diapire 32 connect.Wherein, signal pin 33 and grounding pin 35 are all at least part of within the cavity, and signal pin 33 and ground connection
Pin 35 passes through signal elastic component 34 respectively and ground connection elastic component 36 is connected with the diapire 32 of shell 31.Using elastomer signal pin 33 He
During elastic grounding pin 35, irregular junction also can carry out earthmeter by the way of perpendicular contact, its operation
Simpler convenience.
Obviously, in the present embodiment, in order to ensure between signal pin 33 and grounding pin 35 insulation and signal pin 33 with connect
Ground pin 35 is able to cable core 21 with coaxial cable 2 and conductive layer 22 is realized being electrically connected with, can perforate is simultaneously on shell 31
Signal pin 33 is connected with conductive layer 22 with cable core 21 by wire respectively with grounding pin 35.Certainly, more reliable connected mode
Can be the outer surface that cable core 21 and conductive layer 22 are welded on shell 31, and shell 31 and two welding positions of the two it
Between be provided with insulating barrier, and by this insulating barrier realize insulation.Now, signal elastic component 34 and ground connection elastic component 36 can have
Electric conductivity is so that signal pin 33 and grounding pin 35 are able to by signal elastic component 34 and ground connection elastic component 36 and shell 31
Corresponding welding position is electrically connected with.Other specific electric connection modes are also still capable of basic mesh of the present utility model
Mark, therefore here is not being repeated.
3rd embodiment of the present utility model provides a kind of earthmeter system, and it is used for judging the gold of mobile terminal
Whether the junction belonging between frame and metal center turns on.It has been applied to the second embodiment party of the present utility model within the system
The earthmeter equipment that formula is provided, in the 3rd embodiment of the present utility model：When measuring head 3 supports on junction
When, the syringe needle of signal pin 33 is contacted with junction and metal center respectively with the syringe needle of grounding pin 35.The syringe needle of signal pin 33 with
The distance between syringe needle of grounding pin 35 is more than the distance between 2 points of lie farthest away on junction.Present embodiment can achieve
The measurement of the junction between the metal edge frame to mobile terminal and metal center.
4th embodiment of the present utility model provides a kind of earthmeter system, and the 4th embodiment is the 3rd enforcement
The improvement of mode, mainly thes improvement is that, in the 4th embodiment of the present utility model, shown in Figure 3, earthmeter
System also includes the fixture for clamping mobile terminal.Now measuring head 3 is multiple, and each measuring head 3 is by different tests
Passage is connected to a switching switch, and switching switch is connected with Network Analyzer 1, and fixture is oppositely arranged with measuring head 3.Mobile
When terminal is installed on fixture, each measuring head 3 supports on each junction on mobile terminals correspondingly.
In measurement, each measuring head 3 is supported on junction, by the different TCH test channels of switching switch switching with
Make each junction measured successively, you can expeditiously to draw the measurement result of this mobile terminal.
It is noted that in the present embodiment, TCH test channel can refer to coaxial cable 2, and different measuring heads 3 passes through
Different coaxial cables 2 is commonly connected to a switching switch, is then connected with Network Analyzer 1 by switching switch again.Certainly,
TCH test channel can also be other electronic circuits coupling together measuring head 3 with switching switch.
In the present embodiment, earthmeter system is also included for controlling switching switch to cut successively on each TCH test channel
The control circuit changed.Using control circuit so that the passage handoff procedure full automation of switching switch, reduce test
The labour intensity of personnel.
In the present embodiment, earthmeter system also includes computing terminal, computing terminal and Network Analyzer 1 communication link
Connect.Computing terminal can store measurement result, draws experiment curv, calculate yields, follow-up production and analysis are played long-pending
Pole acts on.Computing terminal can also carry out Automated condtrol to above-mentioned control circuit.
It is noted that in the present embodiment, shown in Figure 3, this fixture can also be electric and pneumatic, should
Fixture can be controlled by computing terminal, by the motion control to this fixture, so that this test process is more certainly
Dynamicization, reduces the labour intensity of staff.
It will be understood by those skilled in the art that the respective embodiments described above are to realize of the present utility model being embodied as
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (8)
1. a kind of earthmeter equipment it is characterised in that：Including Network Analyzer and at least one coaxial cable；
One end of described coaxial cable is connected with described Network Analyzer, and the other end is provided with measuring head；
Wherein, described measuring head includes：The signal pin that is electrically connected with the cable core of described coaxial cable and with described coaxial cable
The grounding pin that is electrically connected with of conductive layer, described signal pin and described grounding pin mutually insulated.
2. earthmeter equipment according to claim 1 it is characterised in that：Described grounding pin is hollow tube-shape, described
Signal pin stretches out in described grounding pin.
3. earthmeter equipment according to claim 1 it is characterised in that：Described measuring head is N number of, and N is more than or equal to
2, and each measuring head passes through same switching switch connection to described Network Analyzer.
4. earthmeter equipment according to claim 1 it is characterised in that：Described measuring head also includes thering is the outer of cavity
Shell, described coaxial cable is connected with the diapire of described shell；
Described signal pin and described grounding pin all at least part of in described cavity, and described signal pin and described ground connection
Pin passes through signal elastic component respectively and ground connection elastic component is connected with the diapire of described shell.
5. a kind of earthmeter system, for judging whether the junction between the metal edge frame of mobile terminal and metal center leads
Logical it is characterised in that：Described earthmeter system employs the earthmeter equipment described in any one in Claims 1-4；
When described measuring head supports on described junction, the syringe needle of the syringe needle of described signal pin and described grounding pin respectively with institute
State junction to contact with described metal center；
The distance between syringe needle of the syringe needle of described signal pin and described grounding pin is more than two of lie farthest away on described junction
The distance between point.
6. earthmeter system according to claim 5 it is characterised in that：Described earthmeter system also include for
Clamp the fixture of described mobile terminal；
Described measuring head is N number of, and N is more than or equal to 2, and each measuring head is connected to one by different TCH test channels and cuts
Change switch, described switching switch is connected with described Network Analyzer, and described fixture is oppositely arranged with described measuring head；
When described mobile terminal is installed on described fixture, each measuring head supports on the mobile terminal correspondingly
On each junction.
7. earthmeter system according to claim 6 it is characterised in that：Described earthmeter system is also included for controlling
The control circuit that system described switching switch switches on each TCH test channel successively.
8. earthmeter system according to claim 7 it is characterised in that：Described earthmeter system also includes calculating eventually
End, described computing terminal and described Network Analyzer communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088339.8U CN205941775U (en) | 2015-12-23 | 2015-12-23 | Ground connection measuring equipment and ground connection measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088339.8U CN205941775U (en) | 2015-12-23 | 2015-12-23 | Ground connection measuring equipment and ground connection measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941775U true CN205941775U (en) | 2017-02-08 |
Family
ID=57933716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521088339.8U Expired - Fee Related CN205941775U (en) | 2015-12-23 | 2015-12-23 | Ground connection measuring equipment and ground connection measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572534A (en) * | 2015-12-23 | 2016-05-11 | 上海与德科技有限公司 | Grounding measuring method, grounding measuring instrument, and grounding measuring system |
-
2015
- 2015-12-23 CN CN201521088339.8U patent/CN205941775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572534A (en) * | 2015-12-23 | 2016-05-11 | 上海与德科技有限公司 | Grounding measuring method, grounding measuring instrument, and grounding measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20191223 |