CN208424401U - The test device of the performance of the communication interface of electronic equipment - Google Patents
The test device of the performance of the communication interface of electronic equipment Download PDFInfo
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- CN208424401U CN208424401U CN201820911301.3U CN201820911301U CN208424401U CN 208424401 U CN208424401 U CN 208424401U CN 201820911301 U CN201820911301 U CN 201820911301U CN 208424401 U CN208424401 U CN 208424401U
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Abstract
The utility model provides the test device of the performance of the communication interface of a kind of electronic equipment, comprising: isolating transformer, signal tester, test fixture；The primary side winding of isolating transformer is electrically connected with power frequency AC；The vice-side winding of isolating transformer is electrically connected with electronic equipment；The test probe of signal tester is electrically connected by test fixture with the communication interface of electronic equipment, for testing the signal of communication interface output；The vice-side winding of isolating transformer is also electrically connected with signal tester.The test device of the performance of the communication interface of the electronic equipment uses isolating transformer to provide stable power supply for electronic equipment, eliminates influence of 220 volts of power frequency ACs to test result, improves the precision of test.
Description
Technical field
The utility model relates to electronic equipment communication interface technical field of performance test, in particular to a kind of electronic equipment
The test device of the performance of communication interface.
Background technique
When the consistency of the communication interface (for example, Ethernet interface) of routine test electronic equipment, oscillograph is set with tested
Standby is all that 220 volts of power frequency AC (alternating current) power supplies are directly connected to by adapter.Under normal circumstances, use for laboratory electric equipment
It is numerous, power supply less stable can be made, while can also make to contain various noises in power supply, caused by result be exactly shadow
It rings the electrical stability to test macro and is introduced to test macro and interfered, so as to make Ethernet interface uniformity test index
Do not pass through, influences test result accuracy.
Utility model content
The technical problems to be solved in the utility model is the communication interface in order to overcome the test electronic equipment of the prior art
When, interference of the test process by power supply, the low defect of accuracy provides the survey of the performance of the communication interface of a kind of electronic equipment
Trial assembly is set.
The utility model is to solve above-mentioned technical problem by following technical proposals:
The test device of the performance of the communication interface of a kind of electronic equipment, comprising: isolating transformer, signal tester, survey
Try jig；
The primary side winding of isolating transformer is electrically connected with power frequency AC；
The vice-side winding of isolating transformer is electrically connected with electronic equipment；
The test probe of signal tester is electrically connected by test fixture with the communication interface of electronic equipment, logical for testing
Believe the signal of interface output；
The vice-side winding of isolating transformer is also electrically connected with signal tester.
Preferably, power frequency AC is 220 volts of AC power sources.
Preferably, the test device of the performance of the communication interface of electronic equipment further includes power supply adaptor；
The input terminal of power supply adaptor is electrically connected with the vice-side winding of isolating transformer, the output end and electricity of power supply adaptor
Sub- equipment electrical connection, the output end of power supply adaptor provide operating voltage for electronic equipment.
Preferably, communication interface includes Ethernet interface.
Preferably, Ethernet interface support a kind of 1000BASE-T (ethernet standard) standard, 100BASE-TX (it is a kind of with
Too network mark is quasi-) standard, a kind of at least one of 10base-T (ethernet standard) standard.
Preferably, communication interface include PCI-e (peripheral component interconnect express, one
Kind of high speed serialization computer expansion bus standard) interface, SATA (Serial Advanced Technology Attachment,
At least one of Serial Advanced Technology Attachment) interface.
Preferably, communication interface includes a kind of USB 3.0 (universal serial bus specification) interface.
Preferably, signal tester includes oscillograph.
The positive effect of the utility model is: the test device of the performance of the communication interface of the electronic equipment uses
Isolating transformer provides stable power supply for electronic equipment, eliminates influence of 220 volts of power frequency ACs to test result, improves
The precision of test.
Detailed description of the invention
Fig. 1 is the knot of the test device of the performance of the communication interface of the electronic equipment of a preferred embodiment of the utility model
Structure schematic diagram.
Specific embodiment
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
The test device of the performance of the communication interface of the electronic equipment of the utility model, as shown in Figure 1, comprising: isolation becomes
Depressor 101, signal tester 102, test fixture 103.The primary side winding (also referred to as input winding) and power frequency of isolating transformer 101
AC power source 3 is electrically connected；The vice-side winding (also referred to as output winding) of isolating transformer 101 is electrically connected with electronic equipment；Signal is surveyed
The test probe of examination instrument 102 is electrically connected by test fixture 103 with the communication interface of electronic equipment, defeated for testing communication interface
Signal out；The vice-side winding of isolating transformer 101 is also electrically connected with signal tester 102.Those skilled in the art being capable of root
According to the voltage of power frequency AC 3 and operating voltage, the operating voltage of signal tester 102 of electronic equipment, select primary side around
The suitable isolating transformer 101 of turn ratio of group and vice-side winding.
In laboratory, power frequency AC is 220 volts of AC power sources (alternating current).101 primary side winding of isolating transformer with
The turn ratio of vice-side winding is 1:1, i.e., the voltage change ratio of isolating transformer 101 is 1:1.Signal tester 102 uses oscillograph,
Operating voltage is 220 volts.Electronic equipment obtains suitable operating voltage by adapter.Referring to Fig.1, power supply adaptor 104
Input terminal is electrically connected with the vice-side winding of isolating transformer 101, and the output end of power supply adaptor is electrically connected with electronic equipment, power supply
220 volts of alternating current is converted to direct current by adapter, provides operating voltage for electronic equipment.
As shown in Figure 1, the communication interface of electronic equipment includes Ethernet interface, which supports 1000BASE-T
At least one of standard, 100BASE-TX standard, 10base-T standard.In the performance for testing Ethernet interface (for example, consistent
Property) when, setting electronic equipment sends the signal for meeting 1000BASE-T standard by Ethernet interface.Test fixture 103 is to show
The subsidiary jig for being conveniently used for test of wave device, is provided with the connection to match with 1000BASE-T standard in test fixture 103
Device.In use, the probe 1021 of signal tester 102 is connect with test fixture 103, and set test fixture 103, make with
Too network interface is connected to by the connector in test fixture 103 with the probe 1021 of signal tester 102.Ethernet interface is sent
The signal for meeting 1000BASE-T standard is captured by signal tester 102 (oscillograph), and is shown.Tester can observe letter
Number tester 102, assesses the performance of Ethernet interface.Meet the test of the signal of 100BASE-TX standard, 10base-T standard
Process is similar to the above, repeats no more.
As shown in Figure 1, communication interface includes PCI-e interface.When test, selection is for testing in test fixture 103
The connector of PCI-e signal connects the probe 1021 of PCI-e interface and signal tester 102.Then, electronic equipment is set,
It makes it through PCI-e interface and sends signal.PCI-e signal passes through the probe of 103 arriving signal tester 102 of test fixture
1021, signal tester 102 keeps and analyzes PCI-e signal, and tester makes assessment to the performance of PCI-e interface.
As shown in Figure 1, communication interface includes SATA interface.When test, selection is used for testing SA TA in test fixture 103
The connector of signal connects the probe 1021 of SATA interface and signal tester 102.Then, electronic equipment is set, keeps it logical
It crosses SATA interface and sends signal.SATA signal passes through the probe 1021 of 103 arriving signal tester 102 of test fixture, and signal is surveyed
Examination instrument 102 keeps and analyzes SATA signal, and tester makes assessment to the performance of SATA interface.
Referring to Fig.1, communication interface includes 3.0 interface of USB.When test, selection is for testing USB in test fixture 103
The connector of 3.0 signals connects the probe 1021 of 3.0 interface of USB and signal tester 102.Then, electronic equipment is set,
It makes it through 3.0 interface of USB and sends signal, for example, with the rate sending data of 5.0Gbps (giga bits per second).USB
3.0 signals pass through the probe 1021 of 103 arriving signal tester 102 of test fixture, and signal tester 102 keeps and analyzes USB
3.0 signals, tester make assessment to the performance of 3.0 interface of USB.
Therefore it can press down in view of dielectric strength with higher between the primary side winding and vice-side winding of isolating transformer
Common mode interference processed avoids the noise on power frequency AC from entering vice-side winding, provides stabilization for electronic equipment, signal tester
Voltage, the work of signal, signal tester for guaranteeing that electronic equipment is exported by its communication interface not will receive industrial frequency AC
The influence of noise on power supply ensure that the precision of test.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the protection scope of the utility model.
Claims (8)
1. the test device of the performance of the communication interface of a kind of electronic equipment characterized by comprising isolating transformer, signal
Tester, test fixture；
The primary side winding of the isolating transformer is electrically connected with power frequency AC；
The vice-side winding of the isolating transformer is electrically connected with the electronic equipment；
The test probe of the signal tester is electrically connected by the test fixture with the communication interface of the electronic equipment, is used
In the signal for testing the communication interface output；
The vice-side winding of the isolating transformer is also electrically connected with the signal tester.
2. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the power frequency
AC power source is 220 volts of AC power sources.
3. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the electronics
The test device of the performance of the communication interface of equipment further includes power supply adaptor；
The input terminal of the power supply adaptor is electrically connected with the vice-side winding of the isolating transformer, the power supply adaptor it is defeated
Outlet is electrically connected with the electronic equipment, and the output end of the power supply adaptor provides operating voltage for the electronic equipment.
4. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the communication
Interface includes Ethernet interface.
5. the test device of the performance of the communication interface of electronic equipment as claimed in claim 4, which is characterized in that the ether
Network interface supports at least one of 1000BASE-T standard, 100BASE-TX standard, 10base-T standard.
6. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the communication
Interface includes at least one of PCI-e interface, SATA interface.
7. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the communication
Interface includes 3.0 interface of USB.
8. the test device of the performance of the communication interface of electronic equipment as described in claim 1, which is characterized in that the signal
Tester includes oscillograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911301.3U CN208424401U (en) | 2018-06-13 | 2018-06-13 | The test device of the performance of the communication interface of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911301.3U CN208424401U (en) | 2018-06-13 | 2018-06-13 | The test device of the performance of the communication interface of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424401U true CN208424401U (en) | 2019-01-22 |
Family
ID=65111956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820911301.3U Active CN208424401U (en) | 2018-06-13 | 2018-06-13 | The test device of the performance of the communication interface of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208424401U (en) |
-
2018
- 2018-06-13 CN CN201820911301.3U patent/CN208424401U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 201100 floor 5, building 8, No. 2388, Chenhang Road, Minhang District, Shanghai Patentee after: CIG SHANGHAI Co.,Ltd. Address before: 201114 room 8, building 2388, 501 Chen Cheng Road, Shanghai, Minhang District Co-patentee before: ZHEJIANG JIANQIAO ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: CIG SHANGHAI Co.,Ltd. |