CN219499543U - Speaker aging test frock - Google Patents
Speaker aging test frock Download PDFInfo
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- CN219499543U CN219499543U CN202320550496.4U CN202320550496U CN219499543U CN 219499543 U CN219499543 U CN 219499543U CN 202320550496 U CN202320550496 U CN 202320550496U CN 219499543 U CN219499543 U CN 219499543U
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- fixing frame
- wire
- probe
- cover plate
- aging test
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Abstract
The utility model discloses a loudspeaker aging test fixture, which comprises: the probe comprises a cover plate, a probe and a fixing frame, wherein the fixing frame and the probe are arranged on the cover plate; wherein the fixing frame is connected with the probe through a wire, one end of the wire is connected with the probe, the other end of the wire is fixedly connected with the fixing frame, and the other end of the wire penetrates through the fixing frame to be connected with external equipment. According to the loudspeaker aging test fixture designed by the utility model, the fixing frame is optimally designed on the cover plate, and the stress point of the wire is optimized by utilizing the fixing frame, so that the stress point is changed from the welding point position of the wire and the probe to the fixed point of the wire and the fixing frame, and the stress of the wire can be effectively optimized by the design, so that the wire is not easy to break, and the problem of wire dropping caused by the falling of the welding point is avoided.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a loudspeaker aging test tool.
Background
As is well known, a micro speaker is an electroacoustic conversion device widely applied to electronic products such as smart phones, smart watches, tablet computers and the like. In practical production, the micro-speakers of the same batch are usually required to be subjected to burn-in test to find potential defects of the micro-speaker products, thereby improving the reliability of the products.
In the current prior art, a burn-in test for a micro speaker generally needs to employ a burn-in test fixture, and the burn-in test fixture for a speaker can generally accommodate a plurality of products to be tested and detect at the same time. When detecting, the loudspeaker aging test fixture can be connected with the test signal output device, and a product to be tested arranged in the loudspeaker aging test fixture is contacted with the probe of the fixture through the contact, so that a conduction loop from the test signal output device to the loudspeaker aging test fixture and from the loudspeaker aging test fixture to the product to be tested is realized.
It is found that in the process of performing an aging test on a micro speaker, it is very important to keep a circuit on, if the circuit is broken, a misjudgment is likely to occur, and a defective product is easily misjudged as a qualified product and flows to a client side to cause customer complaints. The main reasons for the circuit breaking are: the loudspeaker aging test fixture is used for a long time, and the welding position of the lead and the fixture probe is subjected to long-time stress to cause the problem of disconnection of welding spots falling off in the use process.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a novel speaker aging test fixture, it has carried out reasonable optimal design to self frock structure to improve the mode of connection of wire, thereby make the wire be difficult for breaking with probe connection, ensure that the conduction loop when speaker aging test fixture tests normally switches on, guarantee going on smoothly of speaker aging test, it has good popularization prospect and using value.
In order to solve the technical problems, the utility model adopts the following technical scheme: a speaker burn-in fixture, comprising: the probe comprises a cover plate, a probe and a fixing frame, wherein the fixing frame and the probe are arranged on the cover plate; wherein the fixing frame is connected with the probe through a wire, one end of the wire is connected with the probe, the other end of the wire is fixedly connected with the fixing frame, and the other end of the wire penetrates through the fixing frame to be connected with external equipment.
Furthermore, in the aging test fixture for speakers according to the present utility model, at least one groove is formed in the cover plate, and the probe and the fixing frame are both disposed in the groove.
Furthermore, in the speaker aging test tool disclosed by the utility model, the fixing frame is detachably connected with the groove.
Furthermore, in the aging test fixture for the loudspeaker, the fixing frame is a buckle, and the groove is provided with a clamping groove, so that the fixing frame is in clamping connection with the clamping groove in the groove.
Furthermore, in the speaker aging test tool disclosed by the utility model, the fixing frame is a plastic buckle.
Furthermore, in the aging test fixture for the loudspeaker, the aging test fixture further comprises a mounting plate, wherein a product to be tested is fixedly mounted on the mounting plate, and the mounting plate is connected with the cover plate so that the product to be tested is contacted with the probe through a contact.
Furthermore, in the aging test fixture for the loudspeaker, the cover plate is provided with the first positioning hole, the mounting plate is provided with the second positioning hole, and the first positioning hole is fixedly connected with the second positioning hole through a bolt.
Furthermore, in the aging test fixture for the loudspeaker, the mounting plate is also provided with a mounting groove, and the mounting groove is used for mounting and fixing the product to be tested.
Furthermore, in the aging test fixture for the loudspeaker, a positioning column is further arranged on the mounting plate, and a third positioning hole which is correspondingly matched with the positioning column is further formed in the surface of one side, close to the mounting plate, of the cover plate.
Furthermore, in the speaker burn-in test fixture according to the present utility model, the wires between the fixing frame and the probe are non-tensioned wires.
The utility model has the beneficial effects that: the inventor makes an improvement on the basis of the existing loudspeaker aging test tool, a fixing frame is optimally designed on a cover plate of the loudspeaker aging test tool, one end of a wire is connected with a probe, the other end of the wire is fixedly connected with the fixing frame, and then the wire passes through the fixing frame to be connected with external equipment; the stress point of the wire can be optimized based on the setting, so that the stress point is changed into a fixed point of the wire and the fixing frame from the welding point position of the wire and the probe, the stress of the wire can be effectively optimized through the design, the wire is not easy to break, the problem of wire dropping caused by the falling of the welding point is avoided, and the wire-dropping device has good popularization prospect and application value.
Drawings
FIG. 1 is a schematic view of a speaker burn-in test tool according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1 at A;
FIG. 3 is an exploded view of a speaker burn-in test tool according to one embodiment of the present utility model;
FIG. 4 is a schematic diagram of a cover plate and a probe disposed thereon of a speaker burn-in test tool according to an embodiment of the present utility model;
fig. 5 is an enlarged view of a partial structure at B of the structure shown in fig. 4.
Description of the reference numerals:
1. a cover plate; 11. a groove; 12. a first positioning hole; 111. a clamping groove;
2. a probe;
3. a fixing frame;
4. a wire;
5. a mounting plate; 51. a second positioning hole; 52. a mounting groove; 53. and positioning columns.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 5, the present utility model provides a speaker burn-in testing tool, which includes: the probe comprises a cover plate 1, a probe 2 and a fixing frame 3, wherein the fixing frame 3 and the probe 2 are arranged on the cover plate 1; the fixing frame 3 is connected with the probe 2 through a wire 4, one end of the wire 4 is connected with the probe 2, the other end of the wire 4 is fixedly connected with the fixing frame 3, and the other end of the wire 4 penetrates through the fixing frame 3 to be connected with external equipment.
From the above description, it can be seen that the most critical idea of the utility model is: the inventor makes the improvement on the basis of the existing loudspeaker aging test fixture, and optimally designs a fixing frame 3 on a cover plate 1 of the loudspeaker aging test fixture, wherein the fixing frame 3 and a probe 2 are arranged on the cover plate 1 together, one end of a control wire 4 is connected with the probe 2, the other end of the wire 4 is fixedly connected with the fixing frame 3, and then the wire passes through the fixing frame 3 to be connected with external equipment (a test signal output device).
It should be noted that, based on the above-mentioned optimized setting, the stress point of the wire 4 can be effectively changed, in the existing speaker aging test fixture, the stress point of the wire is at the welding position of the wire and the probe, when the speaker aging test fixture in the prior art is used for a long time, the welding position of the wire and the probe easily has the problem of disconnection of the welding spot falling due to long-time stress in the use process.
In the utility model, by arranging the fixing frame 3, the stress point can be changed from the welding point position of the wire 4 and the probe 2 to the fixed point of the wire 4 and the fixing frame 3, so that the stress of the wire 4 can be effectively optimized, the wire 4 is not easy to break, and the problem of wire falling caused by the falling of the welding point of the wire 4 and the probe 2 is avoided.
It should be noted that, referring to fig. 1, in the present utility model, the cover plate 1 of the speaker burn-in testing tool may specifically be provided with a plurality of probes 2 and a fixing frame 3, and each of the probes 2 and the fixing frame 3 corresponds to each other uniformly, so as to perform burn-in test on a plurality of products to be tested at the same time. The probes 2 can be connected with the test signal output device, and the probes 2 arranged on the cover plate 1 can be contacted with a product to be tested by matching with the contacts so as to realize a conduction loop from the test signal output device to the loudspeaker aging test tool and from the loudspeaker aging test tool to the product to be tested. In the utility model, the conducting loops of each product to be tested, which are arranged on the speaker aging test tool for aging test, are independent and do not interfere with each other.
Further, at least one groove 11 is formed in the cover plate 1, and the probe 2 and the fixing frame 3 are both disposed in the groove 11.
Further, the fixing frame 3 is detachably connected with the groove 11.
In the utility model, in order to facilitate an operator to install the fixing frame 3 on the cover plate 1, in the specific implementation, a groove 11 can be formed on the cover plate 1, all probes 2 and the fixing frame 3 are controlled to be arranged in the groove 11, and meanwhile, the fixing frame 3 is controlled to be detachably connected with the groove 11, so that the damaged fixing frame 3 can be replaced conveniently and immediately. Of course, in some embodiments, the operator may directly control the fixed connection of the fixing frame 3 and the groove 11, for example: the fixing frame 3 is directly welded in the groove 11 in a welding connection.
Further, the fixing frame 3 is a buckle, and the groove 11 is provided with a clamping groove 111, so that the fixing frame 3 is in clamping connection with the clamping groove 111 in the groove 11.
In the utility model, the fixing frame 3 is provided with the clamping groove 111 in the control groove 11, so that the clamping groove 111 can be correspondingly clamped and connected with the clamping groove 111, the clamping groove has low cost and convenient installation, is easy to detach, and can greatly simplify the operation of staff.
Further, the fixing frame 3 is a plastic buckle.
In the utility model, the fixing frame 3 can be specifically selected as a plastic buckle, the plastic buckle has certain plasticity, can generate plastic deformation so as to be convenient for installation, and meanwhile, the plastic buckle also has the advantage of lower cost. The plastic buckle can be made of transparent plastic material, such as PC material, so that the plastic buckle can be released from the groove 11 by pressing the plastic buckle, that is, the plastic buckle can be detached.
Further, the probe comprises a mounting plate 5, a product to be tested is fixedly mounted on the mounting plate 5, and the mounting plate 5 is connected with the cover plate 1 so that the product to be tested is contacted with the probe 2 through a contact.
In the utility model, in order to ensure that the probes 2 on the cover plate 1 can be effectively matched with the product to be tested, a mounting plate 5 can be further arranged in the loudspeaker aging test tool, so that the product to be tested can be fixedly mounted by using the mounting plate 5. When setting up, above-mentioned mounting panel 5 needs to be connected with apron 1 to make the product that awaits measuring that sets up on mounting panel 5 can pass through the contact with probe 2 and contact, and probe 2 can be connected with the test signal output ware this moment, with the conduction return circuit that realizes electric current from test signal output ware to speaker ageing test frock, speaker ageing test frock to the product that awaits measuring, thereby realizes the ageing test of product that awaits measuring.
Further, the cover plate 1 is provided with a first positioning hole 12, the mounting plate 5 is provided with a second positioning hole 51, and the first positioning hole 12 is fixedly connected with the second positioning hole 51 through a bolt.
In the present utility model, in order to ensure that the cover plate 1 can be correspondingly matched with the mounting plate 5, a first positioning hole 12 and a second positioning hole 51 may be respectively formed on the cover plate 1 and the mounting plate 5, so that bolts penetrate through the first positioning hole and the second positioning hole 51, thereby realizing the fixed connection between the cover plate 1 and the mounting plate 5.
Further, the mounting plate 5 is further provided with a mounting groove 52, and the mounting groove 52 is used for mounting and fixing the product to be tested.
Further, the mounting plate 5 is further provided with a positioning column 53, and a third positioning hole corresponding to and matched with the positioning column 53 is further formed in the surface of one side of the cover plate 1, which is close to the mounting plate 5.
In the above technical scheme, in order to simplify the positioning and matching process between the mounting plate 5 and the cover plate 1, the operation of operators is convenient, when in actual setting, the mounting plate 5 can be further provided with a positioning column 53, and the cover plate 1 can be provided with a third positioning hole correspondingly matched with the positioning column 53, so that the matching and positioning between the mounting plate 5 and the cover plate 1 can be realized through the matching and positioning between the positioning column 53 and the third positioning hole.
Further, the wire 4 between the fixing frame 3 and the probe 2 is an untruncated wire.
In the present utility model, the wire 4 disposed between the holder 3 and the probe 2 may be embodied as an unstrained wire to reduce tensile stress between the wire 4 and the probe 2.
Example 1
Referring to fig. 1 to 5, a first embodiment of the present utility model is as follows: a speaker burn-in fixture, comprising: cover plate 1, mounting plate 5, ten probes 2 and ten mounts 3. Wherein, two grooves 11 extending along the length direction of the cover plate 1 are formed on the cover plate 1, the two grooves 11 are arranged in parallel, five probes 2 and five fixing frames 3 are respectively arranged in each groove 11, and each fixing frame 3 corresponds to one probe 2. The ten fixing frames 3 are specifically selected as plastic buckles, and each groove 11 is provided with a clamping groove 111 corresponding to the fixing frame 3, so that each plastic buckle can surround the corresponding probe 2 in a space position and is correspondingly clamped and connected with the clamping groove 111 on the groove 11, and the fixing frames 3 and the grooves 11 are fixed.
In the present embodiment, the inventors have mainly started from the optimization stress point in order to solve the problem of disconnection of the solder joint. In this embodiment, the fixing frame 3 surrounds the probe 2 in a space position, and the wires 4 are required to pass through holes preset by plastic buckles (fixing frame 3) before being welded with the probe 2, and the wires 4 below the plastic buckles (fixing frame 3), namely, at the part welded with the probe, are kept in an unsprung state. And glue is injected into holes of the plastic buckles (the fixing frames 3) so as to fix the wires 4 and the plastic buckles (the fixing frames 3), so that stress points are changed from welding point positions of the wires 4 and the probes 2 to fixing points of the wires 4 and the plastic buckles (the fixing frames 3), and the wires are relatively larger in elasticity due to the fact that the outermost layers of the wires are made of insulating layer materials, and broken wires inside the wires are not easy to cause.
At this time, the plastic fastener is connected with the probe 2 through the wire 4, one end of the wire 4 is connected with the probe 2, the other end of the wire 4 is fixedly connected with the plastic fastener, and the other end of the wire 4 can penetrate through the plastic fastener to be connected with an external test signal output device.
In this embodiment, since the plastic buckle does not completely surround the probe 2, if the soldering points between the wire 4 and the probe 2 still fall off, the operator can repair the soldering points between the probe 2 and the wire 4 by using the plastic buckle at the position where the plastic buckle does not surround the probe.
In addition, as can be seen from further reference to fig. 1 and 2, in this embodiment, in order to ensure that the probes 2 on the cover plate 1 can effectively and correspondingly match the product to be tested, in the speaker burn-in fixture, a mounting plate 5 for fixedly mounting the product to be tested is further provided. Ten mounting grooves 52 are formed in the mounting plate 5, and the ten mounting grooves 52 are used for mounting and fixing a product to be tested.
When the cover plate 1 and the mounting plate 5 are actually matched, the mounting plate 5 is provided with a positioning column 53, and a third positioning hole corresponding to the positioning column is formed in the surface of one side of the cover plate 1 close to the mounting plate 5, so that the cover plate 1 and the mounting plate 5 can be rapidly positioned based on the matching of the positioning column 53 and the third positioning hole.
Correspondingly, when in setting, the mounting plate 5 needs to be fixedly connected with the cover plate 1, and at the moment, bolts can sequentially pass through the first positioning holes 12 formed in the cover plate 1 and the second positioning holes 51 formed in the mounting plate 5, so that the positioning-completed mounting plate 5 and the cover plate 1 are fixedly connected together.
Based on this setting, the product to be tested that installs on ten mounting grooves 52 on mounting panel 5 can be respectively with ten probes 2 that set up on apron 1 respectively through the contact be connected, this ten probes 2 homoenergetic are connected with outside test signal output ware this moment to realize the current from test signal output ware to speaker ageing test frock, speaker ageing test frock to the conduction return circuit of product to be tested, thereby realize the ageing test to these ten products to be tested.
Therefore, in the utility model, the inventor makes an improvement on the basis of the existing loudspeaker aging test tool, a fixing frame 3 is optimally designed on a cover plate of the loudspeaker aging test tool, one end of a wire 4 is connected with a probe 2, the other end of the wire 4 is fixedly connected with the fixing frame 3, and then the wire passes through the fixing frame 3 to be connected with an external test signal output device; based on the setting, the stress point of the wire 4 can be optimized, so that the stress point is changed into a fixed point between the wire 4 and the fixing frame 3 from the welding point position between the wire 4 and the probe 2, the stress of the wire 4 can be effectively optimized through the design, the wire is not easy to break, the problem of wire dropping caused by welding point falling is avoided, and the device has good popularization prospect and application value.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. A speaker aging test frock, its characterized in that includes: the probe comprises a cover plate, a probe and a fixing frame, wherein the fixing frame and the probe are arranged on the cover plate; wherein the fixing frame is connected with the probe through a wire, one end of the wire is connected with the probe, the other end of the wire is fixedly connected with the fixing frame, and the other end of the wire penetrates through the fixing frame to be connected with external equipment.
2. The loudspeaker aging test fixture of claim 1, wherein the cover plate is provided with at least one groove, and the probe and the fixing frame are both arranged in the groove.
3. The speaker burn-in tool of claim 2, wherein the mount is removably coupled to the recess.
4. The loudspeaker aging test fixture according to claim 3, wherein the fixing frame is a buckle, and the groove is provided with a clamping groove, so that the fixing frame is in clamping connection with the clamping groove in the groove.
5. The fixture of claim 4, wherein the fixing frame is a plastic buckle.
6. The speaker burn-in tool of claim 1, further comprising a mounting plate, wherein a product to be tested is fixedly mounted on the mounting plate, and wherein the mounting plate is coupled to the cover plate such that the product to be tested is in contact with the probe via a contact.
7. The loudspeaker aging test fixture of claim 6, wherein the cover plate is provided with a first positioning hole, the mounting plate is provided with a second positioning hole, and the first positioning hole is fixedly connected with the second positioning hole through a bolt.
8. The loudspeaker burn-in fixture of claim 6 wherein the mounting plate is further provided with a mounting slot for mounting and securing the product to be tested.
9. The loudspeaker aging test fixture of claim 6, wherein the mounting plate is further provided with a positioning column, and a third positioning hole corresponding to and matched with the positioning column is further formed in the surface of one side of the cover plate, which is close to the mounting plate.
10. The speaker burn-in fixture of claim 1, wherein the wires between the mount and the probe are non-tensioned wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550496.4U CN219499543U (en) | 2023-03-20 | 2023-03-20 | Speaker aging test frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550496.4U CN219499543U (en) | 2023-03-20 | 2023-03-20 | Speaker aging test frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219499543U true CN219499543U (en) | 2023-08-08 |
Family
ID=87477192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550496.4U Active CN219499543U (en) | 2023-03-20 | 2023-03-20 | Speaker aging test frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219499543U (en) |
-
2023
- 2023-03-20 CN CN202320550496.4U patent/CN219499543U/en active Active
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