CN216771913U - Electronic watch COB board chip package test jig - Google Patents
Electronic watch COB board chip package test jig Download PDFInfo
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- CN216771913U CN216771913U CN202123369326.6U CN202123369326U CN216771913U CN 216771913 U CN216771913 U CN 216771913U CN 202123369326 U CN202123369326 U CN 202123369326U CN 216771913 U CN216771913 U CN 216771913U
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Abstract
The utility model discloses an electronic watch COB board chip packaging test frame, which comprises: the test stand comprises a test stand main body, a display device and a printed circuit board; the display device is arranged on the measuring frame main body, the printed circuit board is arranged on the measuring frame main body, and the printed circuit board is used for bearing a COB (chip on Board); the display device and the printed circuit board are oppositely arranged and are mutually matched; the display device and the printed circuit board move relatively in a vertical lifting mode, and the printed circuit board, the COB board and the display device can be electrically connected; the display device is provided with a plurality of display devices, the printed circuit boards are provided with a plurality of printed circuit boards, and the display devices correspond to the printed circuit boards one to one. Be different from prior art, above-mentioned technical scheme is through but set up relative motion in the side-finding frame main part display device and printed circuit board for but operating personnel short-term test COB board, with this detection efficiency who improves COB board.
Description
Technical Field
The utility model relates to the technical field of chip packaging detection, in particular to a COB (chip on Board) chip packaging test jig of an electronic watch.
Background
COB (electronic watch circuit) board when detecting, need place the COB board earlier on printed circuit board to the printed circuit board that will place the COB board is connected with display device, carries out the detection of each item index at last again. In current detection, the COB Board is usually installed by operating personnel and is placed, however in the process of installing and placing of operating personnel, the flip measuring rack is easy to loosen, the display device is not easy to align with a PCB (Printed Circuit Board, Printed Circuit Board or Printed Circuit Board) after being covered, and the conductive adhesive tape is easy to wear and tear and is easy to scratch. Meanwhile, the debugging speed of manual detection of the printed circuit board by an operator is slow, and the problem of IC functional defects is difficult to find.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an electronic watch COB board chip packaging test jig to improve the detection efficiency of the printed circuit board.
In order to realize the above-mentioned purpose, this application provides an electronic watch COB board chip package test jig, includes: the test stand comprises a test stand main body, a display device and a printed circuit board;
the display device is arranged on the measuring frame main body, the printed circuit board is arranged on the measuring frame main body, and the printed circuit board is used for bearing a COB (chip on Board); the display device and the printed circuit board are oppositely arranged and are mutually matched; the display device and the printed circuit board move relatively in a vertical lifting mode, and the printed circuit board, the COB board and the display device can be electrically connected;
the display device is provided with a plurality of display devices, the printed circuit boards are provided with a plurality of printed circuit boards, and the display devices correspond to the printed circuit boards one to one.
In some embodiments, further comprising: a test pin; the test needle is arranged in on the printed circuit board, just the test needle with be located COB board on the printed circuit board is connected.
In some embodiments, the display device is an LCD display screen.
In some embodiments, further comprising: the lifting cylinder is fixed on the measuring frame main body and is arranged on the measuring frame main body, the lifting cylinder is in transmission connection with the display device, and the lifting cylinder is used for driving the display device to reciprocate up and down above the printed circuit board.
In some embodiments, further comprising: the lifting control handle is electrically connected with the lifting cylinder and is used for controlling the lifting cylinder.
In some embodiments, further comprising: the microampere ammeter is connected with the display device or the printed circuit board, the current detection key is electrically connected with the microampere ammeter, and the current detection key is used for starting the microampere ammeter.
In some embodiments, further comprising: a backlight and an alarm indicator; the alarm indicating lamp is connected with the display device or the printed circuit board, and the backlight piece is connected with the display device or the printed circuit board.
In some embodiments, further comprising: the device comprises a manual debugging key and an automatic debugging key, wherein the manual debugging key and the automatic debugging key are electrically connected with the display device.
Be different from prior art, above-mentioned technical scheme is through but set up relative motion in the side-finding frame main part display device and printed circuit board for but operating personnel short-term test COB board, with this detection efficiency who improves COB board.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Moreover, like reference numerals are used to refer to like elements throughout. In the drawings:
FIG. 1 is a diagram of a COB chip packaging test jig of an electronic watch;
FIG. 2 is a diagram of the display device and printed circuit board structure;
FIG. 3 is a view showing the structure of the display device and the guide post of the linear bearing
FIG. 4 is a diagram of the current detection key, the manual debug key and the automatic debug key;
fig. 5 is a structural view of the lifting cylinder and the display device.
Description of reference numerals:
1. a test stand main body; 2. a display device; 3. a printed circuit board; 4. a test pin; 5. a lifting cylinder; 6. a lift control handle; 7. microampere amperemeters; 8. a current detection key; 9. manually debugging the key; 10. automatically debugging the key; 11. a backlight sheet; 12. an alarm indicator light;
31. a base; 32. a printed circuit board body;
51. a linear bearing guide post; 52. a cylinder; 53. an air pipe interface.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural pieces" refers to two or more (including two).
In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1 to 5, the application discloses an electronic watch COB board chip packaging test rack, which includes: a frame body 1, a display device 2, and a Printed Circuit Board 3 (PCB); the display device 2 is arranged on the test stand main body, the printed circuit board 3 is arranged on the test stand main body, and the printed circuit board 3 is used for supporting a COB (electronic watch circuit) board; the display device 2 and the printed circuit board 3 are oppositely arranged, and the display device 2 and the printed circuit board are mutually matched; display device 2 with move relatively with the mode of oscilaltion between the printed circuit board to can with COB board on the printed circuit board 3 with display device 2 electricity is connected.
Survey frame main part 1 and make for the bakelite board material, just the side view of surveying frame main part 1 is the L type, survey and be provided with the installation region on the frame main part 1, the installation region is used for the holding display device 2 printed circuit board 3, detection switch etc. detect the device of COB board. The testing stand main body 1 is internally provided with an energy storage unit and a mains supply interface, the mains supply interface is electrically connected with the energy storage unit, and the mains supply interface can be used for charging the energy storage unit; the mains supply interface and the energy storage power supply are used for supplying power to the detection mechanism.
The substrate of the printed circuit board 3 is made of insulating and heat-insulating material which is not easy to bend. When the printed circuit board 3 is manufactured, the printed circuit board 3 has integrated circuits, transistors, diodes, passive components (e.g., resistors, capacitors, connectors, etc.), and other various electronic components. By means of the wire connection, the electronic signal connection and the proper function can be formed. The main advantages of the printed circuit board 3 are: the maintenance, debugging and inspection time of the equipment is saved; the standardized design is favorable for interchange; the wiring density is high, the volume is small, the weight is light, and the miniaturization of electronic equipment is facilitated; is beneficial to mechanized and automatic production and improves the labor productivity.
The printed circuit board 3 is fixedly or movably arranged on the measuring frame main body 1, and particularly, when the printed circuit board 3 is fixed on the measuring frame main body 1, the printed circuit board 3 is fixed on one transverse side of the L-shaped measuring frame main body 1; when the printed circuit board 3 is movably arranged on the L-shaped measuring frame main body 1, one side of the printed circuit board 3 is movably arranged on one side of the L-shaped measuring frame main body 1 which is longitudinally arranged, and the printed circuit board 3 can reciprocate up and down on the side.
Further, the printed circuit board 3 includes: the base 31 and the printed circuit board body 32, the printed circuit board body 32 can be dismantled and locked on the base 31. The base 31 can be fixed on the measuring frame main body 1 or the base 31 is movably connected with the measuring frame main body 1. The printed circuit board body 32 is provided with a position for accommodating the COB board.
The display device 2 and the printed circuit board 3 are arranged oppositely, a connecting surface and a display surface are arranged on the display device 2, the display surface of the display device 2 is used for displaying data, and the connecting surface of the display device 2 is used for being connected with the printed circuit board 3.
Specifically, the display device 2 is disposed on one side of the printed circuit board 3 close to the printed circuit board body 32, and a connection surface of the display device 2 is disposed opposite to the printed circuit board body 32 in the printed circuit board 3, so that the printed circuit board 3 is electrically connected to the display device 2; preferably, the printed circuit board 3 is disposed below the display device 2.
The display device 2 is fixedly or movably arranged on the edge of the L-shaped measuring frame main body 1 in the longitudinal direction.
In actual use, when the display device 2 is fixed on the measuring frame main body 1 and the printed circuit board 3 is movably arranged on the measuring frame main body 1, the printed circuit board 3 drives the COB board to move towards the display device 2, and the printed circuit board 3, the COB board and the display device 2 are electrically connected; when the display device 2 is movably arranged on the test stand main body 1 and the printed circuit board 3 is fixedly arranged on the test stand main body 1, the display device 2 moves towards the printed circuit board 3, and the printed circuit board 3, the COB and the display device 2 are electrically connected; work as display device 2 activity set up in survey on the frame main part 1, just printed circuit board 3 activity set up in when surveying on the frame main part 1, display device 2 and printed circuit board 3 move in opposite directions to make printed circuit board 3, COB board and display device 2 electricity is connected. It should be further noted that, when the printed circuit board 3, the COB board and the display device 2 are electrically connected, the display device 2 is connected to the printed circuit board 3 with a conductive adhesive tape therebetween.
Preferably, the operator places the COB board on the printed circuit board 3, the display device 2 and the printed circuit board move in opposite directions, the printed circuit board 3, the COB board and the display device 2 are electrically connected, and the display device 2 starts to display; after the detection is finished, the display device 2 and the printed circuit board move away from each other, and an operator takes out the COB board. If detect during certain COB board, display device 2 can not show data or when the data that show appear incomplete, then operating personnel will judge that this COB board damages.
Above-mentioned technical scheme is through but set up relative motion on the survey frame main part 1 display device 2 and printed circuit board 3 for but operating personnel short-term test COB board, with this detection efficiency who improves the COB board.
According to some embodiments of the present application, referring to fig. 4, further comprising: a test needle 4; test needle 4 is arranged in on the printed circuit board 3, just test needle 4 with be located COB board on the printed circuit board 3 is connected.
The testing needle 4 can be made of conductive metal or alloy such as copper, gold, iron and the like, the detection is fixed on the printed circuit board 3, and the detection end of the detection head of the testing needle 4 protrudes out of the surface of one side, close to the display device 2, of the printed circuit board 3. And the test needles 4 are plural. It should be further noted that the display device 2 is provided with a contact or a hole which is matched with the test pin 4. When the display device 2 and the printed circuit board 3 are connected to each other, the test pins 4 are connected to contacts or holes on the display device 2.
In some embodiments, the test pins 4 can also be used for alignment, i.e. when the display device 2 and the printed circuit board 3 are moved towards each other, the test pins 4 can be inserted into holes to ensure that the display device 2 and the printed circuit board 3 are aligned, and to prevent poor contact due to misalignment.
According to some embodiments of the present application, referring to fig. 1, 2, 3, and 5, the display device 2 is plural, the printed circuit board 3 is plural, and the display device 2 corresponds to the printed circuit board 3 one to one.
It should be noted that, the arrangement of a plurality of display devices 2 and printed circuit boards 3 enables the detection mechanism to detect a plurality of COB boards simultaneously, so as to improve the detection efficiency. Preferably, the number of the display devices 2 and the printed circuit board 3 is 4. A plurality of the display devices 2 form a grid-like arrangement.
According to some embodiments of the present application, referring to fig. 5, further comprising: the lifting cylinder 5 is fixed on the measuring frame main body, the lifting cylinder 5 is arranged on the measuring frame main body 1, the lifting cylinder 5 is in transmission connection with the display device 2, and the lifting cylinder 5 is used for driving the display device 2 to reciprocate up and down above the printed circuit board 3.
The lift cylinder 5 includes: a linear bearing guide post 51, a cylinder 52 and an air pipe joint 53; the display device 2 is arranged on the linear bearing guide post 51, the display device 2 can reciprocate along the linear bearing guide post 51, and the linear bearing guide post 51 is vertically arranged on the measuring frame main body 1; the air pipe port 53 is in communication with the cylinder 52, and the air pipe port 53 is used for discharging the gas in the cylinder 52 or introducing the gas into the cylinder 52.
Further, the display device 2 is connected to the cylinder 52, and the cylinder 52 drives the display device 2 to reciprocate up and down.
According to some embodiments of the present application, referring to fig. 1, the lifting control device further comprises a lifting control handle 6, wherein the lifting control handle 6 is electrically connected with the lifting cylinder 5, and the lifting control handle 6 is used for controlling the lifting cylinder 5.
The lifting control handle 6 is arranged on the measuring frame main body 1, and the lifting control handle 6 is used for controlling the lifting cylinder 5. Specifically, operating personnel arranges the COB board in earlier on printed circuit board 3, then operates lift control handle 6 makes lift cylinder 5 drive display device 2 and printed circuit board 3 move in opposite directions. After the COB board is detected and completed, the operator operates the lifting control handle 6 again, so that the lifting cylinder 5 drives the display device 2 and the printed circuit board 3 to move away from each other.
The lifting control handle 6 is arranged so that a manufacturer can control the movement of the display device 2 and the printed circuit board 3 towards or away from each other.
Specifically, in the in-service use, put well 4 even COB boards of nation earlier on printed circuit board 3, printed circuit board 3 is last to have corresponding test pin 4 to be connected with PCB, is connected with conducting resin strip in the middle of LCD display screen and the PCB, presses lift control handle 6 makes cylinder 52 promote the LCD display screen and descends and be connected with PCB, and LCD begins to show.
According to some embodiments of the present application, referring to fig. 1, further comprising: the device comprises a microampere ammeter 7 and a current detection key 8, wherein the microampere ammeter 7 is connected with the display device 2 or the printed circuit board 3, the current detection key 8 is electrically connected with the microampere ammeter 7, and the current detection key 8 is used for starting the microampere ammeter 7.
In the embodiment, a microampere-level ammeter is connected in series to detect current, and a current detection button is pressed to check the current. Specifically, the number of the microampere ammeters 7 is the same as that of the display devices 2, and the microampere ammeters 7 correspond to the display devices 2 one by one; further, one of the current detection keys 8 controls one of the microampere current meters 7. When the display device 2 is connected with the printed circuit board 3, an operator presses the current detection key 8, and the microampere ammeter 7 displays the passing current.
The current detection key 8 is also provided with a synchronous sheet, the synchronous sheet is connected with the plurality of current detection keys 8, and when an operator presses the synchronous sheet, the plurality of current detection keys 8 are pressed simultaneously.
According to some embodiments of the present application, referring to fig. 1, further comprising: a backlight 11 and an alarm indicator 12; the alarm indicator light is connected with the display device 2 or the printed circuit board 3, and the backlight piece 11 is connected with the display device 2 or the printed circuit board 3.
It should be noted that the backlight 11 is an EL backlight 11, the number of the backlights 11 is the same as that of the display devices 2, and the backlights 11 correspond to the display devices 2 one to one. Further, the number of the alarm lamps 12 is the same as the number of the display devices 2.
An Electro Luminescence (EL) backlight 11 is a physical phenomenon in which an electric field generated by an ac voltage applied to two end electrodes excites a fluorescent substance to emit light, i.e., an electroluminescence phenomenon. The light source combining various substances to generate different colors has the characteristics of low power consumption, soft light, no ultraviolet ray, various colors, long service life, no heat generation and the like. The EL backlight 11 is thin and light, easy to mount and dismount, and highly reusable, and the EL backlight 11 is a phenomenon of converting electric energy into light energy, and is generally called as cold light because it does not generate heat during operation.
According to some embodiments of the present application, referring to fig. 1 and 4, further comprising: the device comprises a manual debugging key 9 and an automatic debugging key 10, wherein the manual debugging key 9 and the automatic debugging key 10 are electrically connected with the display device 2.
In some embodiments, the manual debug key 9 and the automatic debug key 10 may also be connected to the printed circuit board 3.
The automatic debug key 10 includes: four keys of zero, stop, complex and simple; the manual debug key 9 includes: l, M, S, D (L ═ LIGHT, M ═ MODE, S ═ SET, D ═ ADJ). When detecting, the IC function of COB board begins to detect after waiting that the electric current inspection is accomplished, because the starting time of multi-disc COB board is different, will press the key of zeroing earlier, let the time synchronization of 4 boards, follow-up transfer can be identical completely.
In order to reduce the working difficulty, an operator firstly programs the sequence and the arrangement steps to be adjusted before detection operation, and only presses a start key (complex or simple), a control panel outputs signals to the manual debugging keys 9(L, M, S and D) of the IC, then the manual debugging keys are sequentially used for detecting the functions of the LCD, such as full display for 2 seconds, EL backlight illumination, alarm LED flashing, and adjustment according to the program, minute, second, year, month, day, week and the like, and checking whether the functions are normal or not. And if defective products are found in the multi-connected COB and the corresponding LCD display, ammeter, EL backlight and alarm LED, the corresponding COB below is taken out for repair.
The manual key is used for adjustment, and the keys L, M, S and D can be independently pressed for respective inspection when a certain detection program has a problem.
The buttons are simply and automatically adjusted, so that the adjusting steps are fewer, the time is shorter, and the production efficiency is higher. And a complex automatic adjusting button is arranged, so that the detection difficulty is increased for products with higher requirements, and the product quality is enhanced. If a problem is found in the automatic detection, the pause key can be pressed at any time, and the detection is carried out after readjustment.
After the inspection is finished, the lifting control handle 6 enables the LCD display screen to be lifted, bad COB plates picked up on the measuring frame main body 1 are placed independently, and the current, the display and the normal function enter the next procedure to complete the detection.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (8)
1. The utility model provides an electronic watch COB board chip package test jig which characterized in that includes: the test stand comprises a test stand main body, a display device and a printed circuit board;
the display device is arranged on the measuring frame main body, the printed circuit board is arranged on the measuring frame main body, and the printed circuit board is used for bearing a COB (chip on Board); the display device and the printed circuit board are oppositely arranged and are mutually matched; the display device and the printed circuit board move relatively in a vertical lifting mode, and the printed circuit board, the COB board and the display device can be electrically connected;
the display device is provided with a plurality of display devices, the printed circuit boards are provided with a plurality of printed circuit boards, and the display devices correspond to the printed circuit boards one to one.
2. The electronic watch COB board chip packaging test jig of claim 1, further comprising: a test pin; the test needle is arranged in on the printed circuit board, just the test needle with be located COB board on the printed circuit board is connected.
3. The electronic watch COB board chip packaging test rack of claim 1, wherein the display device is an LCD display screen.
4. The electronic watch COB board chip packaging test jig of claim 1, further comprising: the lifting cylinder is fixed on the measuring frame main body and is arranged on the measuring frame main body, the lifting cylinder is in transmission connection with the display device, and the lifting cylinder is used for driving the display device to reciprocate up and down above the printed circuit board.
5. The electronic watch COB board chip packaging test jig of claim 4, further comprising: the lifting control handle is electrically connected with the lifting cylinder and is used for controlling the lifting cylinder.
6. The electronic watch COB board chip packaging test jig of claim 1, further comprising: the microampere ammeter is connected with the display device or the printed circuit board, the current detection key is electrically connected with the microampere ammeter, and the current detection key is used for starting the microampere ammeter.
7. The electronic watch COB board chip packaging test jig of claim 1, further comprising: a backlight and an alarm indicator light; the alarm indicating lamp is connected with the display device or the printed circuit board, and the backlight piece is connected with the display device or the printed circuit board.
8. The electronic watch COB board chip packaging test jig of claim 1, further comprising: the device comprises a manual debugging key and an automatic debugging key, wherein the manual debugging key and the automatic debugging key are electrically connected with the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369326.6U CN216771913U (en) | 2021-12-29 | 2021-12-29 | Electronic watch COB board chip package test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369326.6U CN216771913U (en) | 2021-12-29 | 2021-12-29 | Electronic watch COB board chip package test jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771913U true CN216771913U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123369326.6U Active CN216771913U (en) | 2021-12-29 | 2021-12-29 | Electronic watch COB board chip package test jig |
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| Country | Link |
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| CN (1) | CN216771913U (en) |
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2021
- 2021-12-29 CN CN202123369326.6U patent/CN216771913U/en active Active
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