CN207488368U - A kind of earphone cable impedance test device - Google Patents
A kind of earphone cable impedance test device Download PDFInfo
- Publication number
- CN207488368U CN207488368U CN201721191375.6U CN201721191375U CN207488368U CN 207488368 U CN207488368 U CN 207488368U CN 201721191375 U CN201721191375 U CN 201721191375U CN 207488368 U CN207488368 U CN 207488368U
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- CN
- China
- Prior art keywords
- fixture
- fixinig plate
- shell
- headset plug
- head
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Abstract
The utility model discloses a kind of earphone cable impedance test device, structure includes：Fixture, tester shell, indicator light, display screen, printing paper delivery, switch, outlet, ventilation opening, operation panel, button, knob, point probing head, point probing head connecting line, headset plug, headset plug connecting line, fixture is connected with point probing head, tester shell upper end is equipped with display screen, printing paper delivery and operation panel, outlet, ventilation opening are installed on the right side of tester shell, point probing head on the left of probing head connecting line and tester shell by being connected, and headset plug on the left of headset plug connecting line tester shell by being connected；A kind of earphone cable impedance test device of the utility model, exclusively for test earphone impedance values design, device is light, it is easy to carry about with one, avoiding continuity test instrument needs the trouble that converter of headset plug is coordinated to use, and papery printing can be carried out to test result, convenient for analyzing test result.
Description
Technical field
The utility model is a kind of earphone cable impedance test device, belongs to testing impedance technical field.
Background technology
It in earphone production industry, needs to test the performance indicator of earphone, to determine whether earphone is qualified.Voice communication effect
One of important indicator of Shi Hengliang headphone qualities quality, and the impedance of earphone cable has directly decision to the hearing effect of earphone
Effect.
Prior art discloses application No. is：201620874603.9 a kind of earphone cable impedance test device, including leading
Logical tester, the continuity test instrument include for be adapted to the plug of earphone cable to be measured earphone socket, be used for and earphone cable
The point probing head of electrical connection, the display screen for the impedance computation module that calculates earphone impedance values and for showing impedance value,
The impedance computation module is set in continuity test instrument, and is connect with the CPU in continuity test instrument, and during test, the earphone is inserted
Seat and point probing head are electrically connected with impedance computation module, plug and the earphone socket grafting of earphone cable to be measured, described probing
Head is put successively with the core on earphone cable to be measured to be connect, and display screen is shown the impedance value of the core on earphone cable by CPU controls successively.
The utility model causes continuity test instrument that can not only test the conducting of earphone cable, can also be by measuring each core in earphone cable
Impedance value, judge so as to the call performance to earphone, enterprise facilitated to be improved the production of earphone cable.It is but existing
There is the earphone cable impedance test device of technology tradition there is needing continuity test instrument being combined with converter of headset plug, lead
The problem of logical tester is heavy, carries and bothers, using trouble.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of earphone cable impedance test device, with
Solving the traditional earphone cable impedance test device of the prior art, there is need continuity test instrument and converter of headset plug phase
It is heavy with reference to, continuity test instrument, trouble is carried, the problem of using trouble.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of earphone line impedence
Test device, structure include：Fixture, indicator light, display screen, printing paper delivery, switch, outlet, leads to tester shell
Air port, operation panel, button, knob, point probing head, point probing head connecting line, headset plug, headset plug connecting line, it is described
Fixture is connected with point probing head, and the tester shell upper end is equipped with display screen, printing paper delivery and operation panel, the survey
Outlet, ventilation opening are installed on the right side of examination instrument shell, described probing head passes through a probing head connecting line and tester shell
Left side is connected, and the headset plug on the left of headset plug connecting line tester shell by being connected, the tester shell
It is nested with display screen, the tester shell is integrated with printing paper delivery, outlet and ventilation opening, the behaviour
Make panel equipped with indicator light, switch, button and knob, described probing head is interference fitted with point probing head connecting line, described
Headset plug is interference fitted with headset plug connecting line；The fixture is by support feet, fixture shell, fixed screw, spring, left side
Fixinig plate, left side clamp head, fixture groove, screws column, right side clamp head composition, the fixture shell bottom end at right side fixinig plate
It is mutually welded with support feet, left side fixinig plate is equipped on the left of the fixture shell upper end, the left side fixinig plate passes through fixed screw
It is fixedly connected with fixture shell, spring is installed between the left side fixinig plate and right side fixinig plate, the spring is consolidated with left side
Stator and the flexible connection of right side fixinig plate, the fixture shell are pressed from both sides with right side fixinig plate, left side clamp head, fixture groove and right side
Tool head mutually welds, and the spring, left side fixinig plate, right side fixinig plate, left side clamp head, fixture groove and right side clamp head are in
On same center line, the column that screws is threadedly coupled with right side clamp head.
Further, the indicator light is located at immediately below display screen, and the number of indicator light is 6.
Further, the knob is cylindrical structure, and knob surface is equipped with anti-skid chequer.
Further, point probing head interfaces of connecting wires is equipped on the left of the tester shell to connect with headset plug connecting line
Mouthful.
Further, the fixture rear end is equipped with point probing head interfaces of connecting wires and is connected with point probing head.
Further, the tester enclosure is installed with bound printer, can carry out papery to test structure and beat
Print, convenient for analyzing test result.
Further, the display screen be liquid crystal display, can real-time display earphone impedance values, it is easy to use.
Advantageous effect
A kind of earphone cable impedance test device of the utility model, exclusively for test earphone impedance values design, device is light,
It is easy to carry about with one, avoiding continuity test instrument needs the trouble that converter of headset plug is coordinated to use, and test result can be carried out
Papery prints, convenient for analyzing test result.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of earphone cable impedance test device of the utility model；
Fig. 2 is a kind of structure diagram of earphone cable impedance test device fixture of the utility model.
In figure：Fixture -1, tester shell -2, indicator light -3, display screen -4, printing paper delivery -5, switch -6, power supply are inserted
Mouth -7, ventilation opening -8, operation panel -9, button -10, knob -11, point probing head -12, point probing head connecting line -13, earphone are inserted
Head -14, headset plug connecting line -15, support feet -101, fixture shell -102, fixed screw -103, spring -104, left side are solid
Stator -105, right side fixinig plate -106, left side clamp head -107, fixture groove -108, screw column -109, right side clamp head -
110。
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of earphone cable impedance test device technical solution：Its structure packet
It includes：Fixture 1, tester shell 2, indicator light 3, display screen 4, printing paper delivery 5, switch 6, outlet 7, ventilation opening 8, operation
Panel 9, button 10, knob 11, point probing head 12, point probing head connecting line 13, headset plug 14, headset plug connecting line 15,
The fixture 1 is connected with point probing head 12, and 2 upper end of tester shell is equipped with display screen 4, printing paper delivery 5 and operation
Panel 9,2 right side of tester shell are installed with outlet 7, ventilation opening 8, and described probing head 12 is connected by probing head
Wiring 13 is connected with 2 left side of tester shell, and the headset plug 14 is left by 15 tester shell of headset plug connecting line 2
Side is connected, and the tester shell 2 is nested with display screen 4, the tester shell 2 and printing paper delivery 5, outlet
7 and ventilation opening 8 be integrated, the operation panel 9 is equipped with indicator light 3, switch 6, button 10 and knob 11, the point
Probing head 12 is interference fitted with point probing head connecting line 13, and the headset plug 14 is interference fitted with headset plug connecting line 15；
The fixture 1 is by support feet 101, fixture shell 102, fixed screw 103, spring 104, left side fixinig plate 105, right side fixinig plate
106th, left side clamp head 107, fixture groove 108, screw column 109, right side clamp head 110 forms, 102 bottom end of fixture shell
It is welded with 101 phase of support feet, left side fixinig plate 105, the left side fixinig plate 105 is equipped on the left of 102 upper end of fixture shell
It is fixedly connected with fixture shell 102 by fixed screw 103, is installed between the left side fixinig plate 105 and right side fixinig plate 106
Have spring 104, the spring 104 is flexibly connected with left side fixinig plate 105 and right side fixinig plate 106, the fixture shell 102 with
Right side fixinig plate 106, left side clamp head 107, fixture groove 108 and right side clamp head 110 are mutually welded, the spring 104, left side
Fixinig plate 105, right side fixinig plate 106, left side clamp head 107, fixture groove 108 and right side clamp head 110 are in same center
On line, the column 109 that screws is threadedly coupled with right side clamp head 110, and the indicator light 3 is located at immediately below display screen 4, indicator light
3 number is 6, and the knob 11 is cylindrical structure, and 11 surface of knob is equipped with anti-skid chequer, 2 left side of tester shell
Equipped with probing head interfaces of connecting wires and headset plug interfaces of connecting wires, 1 rear end of fixture is equipped with point probing head connecting line and connects
Mouth is connected with point probing head 12, and bound printer is installed with inside the tester shell 2, can carry out paper to test structure
Matter print, convenient for analyze test result, the display screen 4 be liquid crystal display, can real-time display earphone impedance values, use
It is convenient.
Impedance instrument described in this patent can accurately be measured in impedance ranges and wide frequency ranges, it utilizes object
With different electric actions, in body surface plus a fixed low level current, the various of object are calculated by impedometer
Device, device parameter and performance are good and bad.
It is carrying out in use, fixture 1 and point probing head 12 are connected with each other, device accesses power supply by outlet 7, presses
6 starter of lower switch, headset plug 14 can measure impedance value with being directly connected with earphone cable, and fixture 1 is then used for ear
The various core fixations of machine line are to measure core impedance value, and display screen 4 shows earphone impedance values, and bound printer can be to surveying
It tries structure and carries out papery printing, convenient for analyzing test result.
The utility model fixture 1, tester shell 2, indicator light 3, display screen 4, printing paper delivery 5, switch 6, power supply are inserted
Mouth 7, ventilation opening 8, operation panel 9, button 10, knob 11, point probing head 12, point probing head connecting line 13, headset plug 14, ear
Machine plug connecting line 15, support feet 101, fixture shell 102, fixed screw 103, spring 104, left side fixinig plate 105, right side are solid
Stator 106, fixture groove 108, screws column 109, right side clamp head 110 at left side clamp head 107, and component is universal standard part
Or the component that those skilled in the art know, structure and principle all can be learnt or be led to by technical manual for this technology personnel
Routine experiment method is crossed to know, the utility model solve the traditional earphone cable impedance test device of the prior art there is need by
The problem of continuity test instrument is combined with converter of headset plug, and continuity test instrument is heavy, is carried and is bothered, using trouble, this reality
With novel being combined with each other by above-mentioned component, exclusively for test earphone impedance values design, device is light, is easy to carry about with one, and keeps away
Having exempted from continuity test instrument needs the trouble that converter of headset plug is coordinated to use, and can carry out papery printing to test result, just
It is described in detail below in analysis test result：
The fixture 1 is by support feet 101, fixture shell 102, fixed screw 103, spring 104, left side fixinig plate 105, the right side
Side fixinig plate 106, left side clamp head 107, fixture groove 108, screw column 109, right side clamp head 110 forms, outside the fixture
102 bottom end of shell is welded with 101 phase of support feet, and left side fixinig plate 105, the left side are equipped on the left of 102 upper end of fixture shell
Fixinig plate 105 is fixedly connected by fixed screw 103 with fixture shell 102, the left side fixinig plate 105 and right side fixinig plate
Spring 104 is installed between 106, the spring 104 is flexibly connected with left side fixinig plate 105 and right side fixinig plate 106, the folder
Have shell 102 to weld with right side fixinig plate 106, left side clamp head 107, fixture groove 108 and 110 phase of right side clamp head, it is described
Spring 104, left side fixinig plate 105, right side fixinig plate 106, left side clamp head 107, fixture groove 108 and right side clamp head 110
It is in the same center line, the column 109 that screws is threadedly coupled with right side clamp head 110.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of earphone cable impedance test device, structure include：Fixture (1), tester shell (2), indicator light (3), display
Shield (4), printing paper delivery (5), switch (6), outlet (7), ventilation opening (8), operation panel (9), button (10), knob
(11), point probing head (12), point probing head connecting line (13), headset plug (14), headset plug connecting line (15), the fixture
(1) it is connected with point probing head (12), tester shell (2) upper end is equipped with display screen (4), printing paper delivery (5) and behaviour
Make panel (9), outlet (7), ventilation opening (8) are installed on the right side of the tester shell (2), described probing head (12) is logical
It crosses on the left of some probing head connecting lines (13) and tester shell (2) and is connected, the headset plug (14) is connected by headset plug
It is connected on the left of wiring (15) tester shell (2), it is characterised in that：
The tester shell (2) is nested with display screen (4), the tester shell (2) and printing paper delivery (5), power supply
Socket (7) and ventilation opening (8) are integrated, and the operation panel (9) is equipped with indicator light (3), switch (6), button
(10) with knob (11), described probing head (12) is with putting probing head connecting line (13) interference fit, the headset plug (14)
It is interference fitted with headset plug connecting line (15)；
The fixture (1) is by support feet (101), fixture shell (102), fixed screw (103), spring (104), left side fixinig plate
(105), right side fixinig plate (106), left side clamp head (107), fixture groove (108), screw column (109), right side clamp head
(110) it forms, fixture shell (102) bottom end is mutually welded with support feet (101), on the left of fixture shell (102) upper end
Equipped with left side fixinig plate (105), the left side fixinig plate (105) connects by the way that fixed screw (103) and fixture shell (102) are fixed
It connects, spring (104), the spring (104) and a left side is installed between the left side fixinig plate (105) and right side fixinig plate (106)
Side fixinig plate (105) and right side fixinig plate (106) flexible connection, the fixture shell (102) and right side fixinig plate (106), a left side
Side clamp head (107), fixture groove (108) are mutually welded with right side clamp head (110), the spring (104), left side fixinig plate
(105), right side fixinig plate (106), left side clamp head (107), fixture groove (108) with right side clamp head (110) in same
On center line, the column (109) that screws is threadedly coupled with right side clamp head (110).
2. a kind of earphone cable impedance test device according to claim 1, it is characterised in that：The indicator light (3) is located at
Immediately below display screen (4), the number of indicator light (3) is 6.
3. a kind of earphone cable impedance test device according to claim 1, it is characterised in that：The knob (11) is cylinder
Shape structure, knob (11) surface are equipped with anti-skid chequer.
4. a kind of earphone cable impedance test device according to claim 1, it is characterised in that：The tester shell (2)
Left side is equipped with point probing head interfaces of connecting wires and headset plug interfaces of connecting wires.
5. a kind of earphone cable impedance test device according to claim 1, it is characterised in that：Fixture (1) rear end is set
There is a probing head interfaces of connecting wires to be connected with point probing head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721191375.6U CN207488368U (en) | 2017-09-15 | 2017-09-15 | A kind of earphone cable impedance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721191375.6U CN207488368U (en) | 2017-09-15 | 2017-09-15 | A kind of earphone cable impedance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488368U true CN207488368U (en) | 2018-06-12 |
Family
ID=62482334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721191375.6U Expired - Fee Related CN207488368U (en) | 2017-09-15 | 2017-09-15 | A kind of earphone cable impedance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488368U (en) |
-
2017
- 2017-09-15 CN CN201721191375.6U patent/CN207488368U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20180915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |