CN207396682U - Reliability test system and its printed circuit-board assembly - Google Patents
Reliability test system and its printed circuit-board assembly Download PDFInfo
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- CN207396682U CN207396682U CN201721513333.XU CN201721513333U CN207396682U CN 207396682 U CN207396682 U CN 207396682U CN 201721513333 U CN201721513333 U CN 201721513333U CN 207396682 U CN207396682 U CN 207396682U
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- printed circuit
- board assembly
- connector
- substrate
- pedestal
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Abstract
The utility model discloses a kind of reliability test system and its printed circuit-board assembly, a kind of printed circuit-board assembly, including：Substrate, the substrate are equipped with connector, and the both ends of the connector are earclip, and the substrate is equipped with and the corresponding mounting hole of the earclip；Pedestal is arranged on the one side opposite with the connector of the substrate；The earclip of the connector is fixedly connected by fastening structure through the mounting hole with the pedestal.By setting pedestal with respect to the opposite side of connector in substrate, and pass through fastening structure and connector and pedestal are fixedly linked, so that the contact engaging and separating force being applied in frequently plug circuit-under-test plate on connector passes to pedestal by fastening structure, by stress carrier of the pedestal as contact engaging and separating force, the damage of substrate is avoided, extends the service life of substrate.
Description
Technical field
It is more particularly to a kind of to be used for Medical Devices the utility model is related to the reliability test field of medical device circuitry plate
The reliability test system and printed circuit-board assembly of the reliability test of circuit board.
Background technology
The demand of Chinese medical electronic equipment is anticipated with the health that pace of population aging accelerates and people constantly enhance
Know and be quickly incremented by, under national policy, medical information and the promotion of technological revolution, the confession of Chinese medical electronic equipment market
Lasting holding rapid growth should be measured, but the thing followed detects also ever more important to the security reliability of medical treatment electronic equipment.
At present, it is that the product circuit plate welded is carried out to the reliability test of the printed circuit board grades of Medical Devices
Experiment applies circuit-under-test plate in experiment in electric stress, temperature stress, the course of work of analog equipment reality, experiment process prison
Power supply and electric current are controlled, rejects defective work.The connector in medical device circuitry plate is needed during reliability test
On whether plug circuit-under-test plate repeatedly normal to detect the indices of circuit-under-test plate, yet with medical device circuitry plate
Connector be to be directly anchored to by screw on the substrate of printed circuit board (PCB), cause in swapping process, operator
The contact engaging and separating force of application passes to printed circuit board base board by connector, and frequently plug be easy to cause printed circuit board base board
Impaired, service life reduces.
Utility model content
The purpose of this utility model is to provide a kind of printed circuit-board assembly, to solve the printed circuit board (PCB) group of the prior art
Circuit-under-test plate is frequently plugged on the connector of part the substrate of printed circuit-board assembly is caused easily to be damaged, service life drop
The problem of low.
For this purpose, in a first aspect, the utility model provides a kind of printed circuit-board assembly, including：Substrate, the substrate are equipped with
Connector, the both ends of the connector are earclip, and the substrate is equipped with and the corresponding mounting hole of the earclip；
Pedestal is arranged on the one side opposite with the connector of the substrate；Fastening structure, through the mounting hole by described in
The earclip of connector is fixedly connected with the pedestal.
Preferably, the connector is welded to connect with the substrate.
Preferably, the substrate is equipped with connector mounting groove, and the both ends of the connector mounting groove are institute
Mounting hole is stated, the connector is removably installed in the connector mounting groove.
Preferably, the fastening structure includes screw and takes shape in the through hole worn on the earclip for the screw.
Preferably, the through hole is the U-shaped hole of outer openings.
Preferably, the connector is equipped with multiple, and multiple connectors are arranged on the same of the substrate
Side.
Preferably, multiple pasting boards are further included, the multiple pasting board is fixedly connected on the pedestal towards the substrate one side
Plate face on, the fastening structure is fixedly connected on the corresponding pasting board.
Preferably, the connector is golden finger socket or galvanically socket or test needle type socket.
Preferably, the substrate thicknesses range is 1-2mm, and the thickness range of the pedestal is 1.5-3mm；The pedestal
Thickness is more than the thickness of the substrate.
Preferably, the substrate thickness is 1.6mm, and the thickness of the pedestal is 2mm.
Preferably, the pedestal is made of insulating materials.
Preferably, the material of the pedestal is epoxy resin.
Preferably, the printed circuit-board assembly is the circuit board for reliability test.
Second aspect, the utility model also provides a kind of reliability test system, including printed circuit-board assembly and grafting
Circuit-under-test plate on to printed circuit, the printed circuit-board assembly are above-mentioned printed circuit-board assembly.
The advantages of the utility model：
1st, printed circuit-board assembly provided by the utility model, by being set in substrate with respect to the opposite side of connector
Bottom set seat, and pass through fastening structure and connector and pedestal are fixedly linked so that it is applied in frequently plug circuit-under-test plate
The contact engaging and separating force being added on connector passes to pedestal by fastening structure, is carried by main stress of the pedestal as contact engaging and separating force
Body avoids the damage of substrate, extends the service life of substrate.
2nd, printed circuit-board assembly provided by the utility model, fastening structure is very simple, be only by screw and into
Through hole of the type on earclip is formed, which, will as long as can be with screw fit either threaded hole or unthreaded hole
The earclip of connector is fixedly connected with pedestal；By the way of screw, at low cost, fastening securely, is less prone to pine
It is dynamic.
3rd, printed circuit-board assembly provided by the utility model, molding through hole is on the earclip of slot device connecting pin
The U-shaped hole of outer openings, being arranged to the U-shaped hole of outer openings is advantageous in that, can be first by screw from U-shaped hole in assembling
It is snapped onto at outer openings in U-shaped hole, it is more efficient using this kind of mounting means compared to inserted mode from top to bottom；In addition,
The benefit for being arranged to the U-shaped hole of outer openings also resides in, and the mounting hole of screw is arranged to the U-shaped of a side opening so that screw
Installation site can be laterally adjusted in U-shaped hole, reduce the precision of through hole.
4th, printed circuit-board assembly provided by the utility model, by setting multiple pasting boards on pedestal so that multiple
Pasting board is alternatively arranged the limiting slot to be formed with slot cooperation, so in assembling, as long as operator is by the slot at substrate back
It snaps onto and contraposition can be realized in limiting slot, improve installation effectiveness.
5th, printed circuit-board assembly provided by the utility model, the thickness range of substrate are 1-2mm, the thickness model of pedestal
It encloses for 1.5-3mm, and the thickness of pedestal is more than the thickness of substrate, so sets the integral strength for causing printed circuit-board assembly
It is stronger, it can ensure that printed circuit-board assembly does not rock during reliability test, advantageously ensure that the precision of test.
Description of the drawings
Can be more clearly understood the feature and advantage of the utility model by reference to attached drawing, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 shows the structure diagram of the printed circuit-board assembly of the utility model embodiment；
Fig. 2 shows the sectional view of the printed circuit-board assembly of the utility model embodiment；
Fig. 3 shows the section view detail view of the printed circuit-board assembly of the utility model embodiment；
Fig. 4 shows the structure diagram of the substrate of the printed circuit-board assembly of the utility model embodiment；
Fig. 5 shows the structure diagram of the pedestal of the printed circuit-board assembly of the utility model embodiment；
Fig. 6 is shown and the connector of the printed circuit-board assembly of the utility model embodiment and circuit-under-test plate
Cooperation schematic diagram.
Reference numeral：
1- substrates；111- mounting holes；2- connectors；21- earclips；3- pedestals；31- pasting boards；41- screws；5- is tested
Circuit board.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
Fig. 1 shows the structure diagram of the printed circuit-board assembly of the utility model embodiment.Fig. 2 shows this practicality
The sectional view of the printed circuit-board assembly of new embodiment；Fig. 3 shows the printed circuit-board assembly of the utility model embodiment
Section view detail view.As shown in Figs. 1-3, the printed circuit-board assembly is Medical Devices reliability test printed circuit board (PCB) group
Part, including substrate 1, connector 2, pedestal 3 and fastening structure.
Wherein, as shown in figure 4, the front of substrate 1 is equipped with to weld the weld part of connector 2, the two of weld part
Side is equipped with mounting hole 111, and after connector 2 is welded on the weld part, the earclip 21 at 2 both ends of connector is proper
It is located in the corresponding mounting hole 111 well.In the present embodiment, the mounting hole 111 is square hole, is connected with the slot
The square earclip shape adaptation at 2 both ends of device, square earclip 21 are arranged in the square hole.In the present embodiment, the front of substrate 1
Be evenly arranged 20 connectors 2, be specially it is each it is horizontally-arranged be equipped with 4 connectors 2, each vertical setting of types is equipped with 5 and inserts
Slot connector 2.The thickness range of substrate is 1-2mm, and in the present embodiment, the substrate is 1.6mm.It should be noted that this
Utility model is not specifically limited for the shape of the mounting hole 111 and earclip 21, in other embodiments, the mounting hole
111 and the shape of earclip 21 be circle.
Fig. 6 is shown and the connector of the printed circuit-board assembly of the utility model embodiment and circuit-under-test plate
Cooperation schematic diagram.As shown in the figure, connector 2 be also known as circuit board connecting terminal mouth, be for grafting circuit-under-test plate 5,
Circuit-under-test plate 5 includes but not limited to Medical Devices reliability test circuit board in the present embodiment.The bottom of connector 2
Can be mating with socket on substrate 1 is fixedly installed, during assembling, connector 2 is welded on substrate 1.Slot
The top of connector 2 is equipped with slot, which is used to be measured 5 grafting of circuit board.The both ends of connector 2 are to connect with slot
The 111 corresponding earclip 21 of mounting hole in device mounting groove is connect, which is adapted with the size and shape of mounting hole 111,
Specifically, in the present embodiment, the shape of earclip 21 is square, the size for being dimensioned slightly smaller than mounting hole 111 of earclip 21, so that
Earclip 21 can be relatively easily encased in mounting hole 111.Connector 2 uses the golden finger socket of unified definition, so that
Obtaining reliability test system becomes general-purpose platform.
Printed circuit-board assembly is in reliability test in order to solve in the prior art, since circuit-under-test plate 5 is inserted repeatedly
The problem of substrate 1 is damaged caused by connecing, in the utility model embodiment, as shown in Figs. 1-3, the printed circuit-board assembly
The pedestal 3 for being arranged on 1 back side of substrate is further included, the shape, size of the pedestal 3 and substrate 1 are basically identical.In assembling, pass through
The earclip 21 of connector 2 is fixed together by mounting hole 111 of the fastening structure on substrate 1 with pedestal 3.By in base
Plate 1 sets pedestal 3 with respect to the opposite side of connector 2, and passes through fastening structure by connector 2 and 3 stationary phase of pedestal
Even so that the contact engaging and separating force being applied in frequently plug circuit-under-test plate 5 on connector 2 passes to bottom by fastening structure
Seat 3, by stress carrier of the pedestal 3 as contact engaging and separating force, avoids the damage of substrate 1, extends the service life of substrate 1.
As shown in Figures 2 and 3, in the utility model embodiment, the fastening structure includes screw 41 and is molded over slotting
Through hole on 2 earclip 21 of slot connector, in assembling, screw 41 passes through through hole i.e. through substrate 1, by the pedestal 3 at the basic back side
It is fixed together with the earclip 21 of connector 2.Through hole is either threaded hole or unthreaded hole, as long as can be with spiral shell
41 cooperation of nail, the earclip 21 of connector 2 is fixedly connected with pedestal 3.It is at low cost, tight by the way of screw 41
It reinforces, is less prone to loosening.
Molding through hole is the U-shaped hole of outer openings on the earclip 21 of slot device connecting pin, is arranged to the U-shaped of outer openings
Hole is advantageous in that, in first can snapping onto U-shaped hole at outer openings of the screw 41 from U-shaped hole in assembling, compared to from upper
Inserted mode under, it is more efficient using this kind of mounting means；In addition, the benefit for being arranged to the U-shaped hole of outer openings also exists
In the mounting hole 111 of screw 41 is arranged to the U-shaped of a side opening so that the installation site of screw 41 can in U-shaped hole into
Row lateral adjustments reduce the precision of through hole.
In the utility model embodiment, Fig. 5 shows the pedestal 3 of the printed circuit-board assembly of the utility model embodiment
Structure diagram.The thickness range of the pedestal 3 is 1.5-3mm, and the thickness of the pedestal 3 is more than the thickness of the substrate 1.
Preferably, the thickness of the pedestal 3 is 2mm.It so sets so that the integral strength of printed circuit-board assembly is stronger, in reliability
It can ensure that printed circuit-board assembly does not rock, and advantageously ensures that the precision of test during experiment.The pedestal 3 is towards institute
The plate face for stating substrate 1 is equipped with multiple pasting boards 31, and the multiple pasting board 31 is fixedly connected on the pedestal 3 towards the substrate 1
In the plate face of one side, the fastening structure is fixedly connected on the corresponding pasting board 31.The pedestal 3 is insulating materials system
Into, be specially epoxy resin.Due to the utility model embodiment printed circuit-board assembly when carrying out reliability test needs
It is put into incubator and carries out, apply electric stress and temperature stress.It is that pedestal 3 is being put that pedestal 3 is used effect made of isolation material
Short circuit will not occur with metal bracket when entering on the metal bracket of incubator.
In addition to foregoing description, connector is additionally provided on the printed circuit-board assembly of the utility model embodiment, the company
Connector is used for being connected outside incubator, and main function is powered and for current monitoring.
It should be noted that as alternative embodiment, in an embodiment (not shown), the thickness of the substrate 1 is
1mm, the thickness of pedestal 3 is 1.5mm.Another in the embodiment of diagram, the thickness of the substrate 1 is 2mm, the thickness of pedestal 3
It spends for 3mm.
It should be noted that the utility model is not limited to connector 2 as golden finger socket, in other embodiment
In, connector 2 can also be accessory shoe with electrical contact or test needle type socket.
As alternative embodiment, the substrate is equipped with connector mounting groove, is installed in connector mounting groove
There is socket, which is for 2 mating use of connector, i.e., socket being fixed on slot first in assembling and being connected
It connects in device mounting groove, is then mounted on connector 2 on the socket of connector mounting groove by way of grafting.It inserts
The back side of seat can protrude slightly above the plane where the back side of substrate 1, so when 20 sockets are mounted on connector mounting groove
Afterwards, the protrusion formed by socket side by side can be formed at the back side of substrate 1, these protrusions are by multiple patches on pedestal 3
What the limiting slot 32 that plate 31 is formed coordinated.By setting multiple pasting boards 31 on the base 3 so that multiple pasting boards 31 are alternatively arranged shape
Into the limiting slot 32 coordinated with slot, so in assembling, as long as the slot at 1 back of substrate is snapped onto limiting slot by operator
Contraposition can be realized in 32, improve installation effectiveness.
In addition, the utility model also provides a kind of reliability test system with above-mentioned printed circuit-board assembly, this is
System further includes multiple circuit-under-test plates 5, in reliability test, circuit-under-test plate 5 is plugged on printed circuit-board assembly and is led to
Electricity is detected.Circuit-under-test plate 5 includes but not limited to Medical Devices circuit-under-test version.
Although being described in conjunction with the accompanying the embodiment of the utility model, those skilled in the art can not depart from
Various modification can be adapted in the case of the spirit and scope of the utility model and modification, and such modifications and variations are each fallen within by appended
Within claim limited range.
Claims (14)
1. a kind of printed circuit-board assembly, which is characterized in that including：
Substrate (1), the substrate (1) are equipped with connector (2), and the both ends of the connector (2) are earclip (21), institute
Substrate (1) is stated to be equipped with and the earclip (21) corresponding mounting hole (111)；
Pedestal (3) is arranged on the one side opposite with the connector (2) of the substrate (1)；
Fastening structure, it is through the mounting hole (111) that the earclip (21) of the connector (2) and the pedestal (3) is solid
Fixed connection.
2. printed circuit-board assembly according to claim 1, which is characterized in that the connector (2) and the base
Plate (1) is welded to connect.
3. printed circuit-board assembly according to claim 1, which is characterized in that the substrate (1) connects equipped with slot
Device mounting groove, the both ends of the connector mounting groove are the mounting hole (111), and the connector (2) is detachable
Ground is installed in the connector mounting groove.
4. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that the fastening structure includes
Screw (41) and take shape in the through hole worn on the earclip (21) for the screw (41).
5. printed circuit-board assembly according to claim 4, which is characterized in that the through hole is the U-shaped hole of outer openings.
6. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that the connector
(2) be equipped with it is multiple, multiple connectors (2) are arranged on the same side of the substrate (1).
7. printed circuit-board assembly according to claim 6, which is characterized in that multiple pasting boards (31) are further included, it is described more
A pasting board (31) is fixedly connected on the pedestal (3) and connects towards in the plate face of the substrate (1) one side, the fastening structure is fixed
It is connected on the corresponding pasting board (31).
8. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that the connector
(2) it is golden finger socket or galvanically socket or test needle type socket.
9. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that substrate (1) thickness
Scope is 1-2mm, and the thickness range of the pedestal (3) is 1.5-3mm；The thickness of the pedestal (3) is more than the substrate (1)
Thickness.
10. printed circuit-board assembly according to claim 9, which is characterized in that substrate (1) thickness be 1.6mm, institute
The thickness for stating pedestal (3) is 2mm.
11. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that the pedestal (3) is exhausted
Edge material is made.
12. printed circuit-board assembly according to claim 11, which is characterized in that the material of the pedestal (3) is epoxy
Resin.
13. printed circuit-board assembly according to any one of claim 1-3, which is characterized in that the printed circuit board (PCB)
Component is the circuit board for reliability test.
14. a kind of reliability test system, including printed circuit-board assembly and the circuit-under-test plate being plugged on printed circuit
(5), which is characterized in that printed circuit-board assembly of the printed circuit-board assembly any one of claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513333.XU CN207396682U (en) | 2017-11-14 | 2017-11-14 | Reliability test system and its printed circuit-board assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513333.XU CN207396682U (en) | 2017-11-14 | 2017-11-14 | Reliability test system and its printed circuit-board assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396682U true CN207396682U (en) | 2018-05-22 |
Family
ID=62326301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721513333.XU Active CN207396682U (en) | 2017-11-14 | 2017-11-14 | Reliability test system and its printed circuit-board assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207396682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797048A (en) * | 2017-11-14 | 2018-03-13 | 北京品驰医疗设备有限公司 | Reliability test system and its printed circuit-board assembly |
-
2017
- 2017-11-14 CN CN201721513333.XU patent/CN207396682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797048A (en) * | 2017-11-14 | 2018-03-13 | 北京品驰医疗设备有限公司 | Reliability test system and its printed circuit-board assembly |
| CN107797048B (en) * | 2017-11-14 | 2023-12-29 | 北京品驰医疗设备有限公司 | Reliability test system and printed circuit board assembly thereof |
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