CN207752043U - A kind of sales kit (SK) being exclusively used in the evaluation of circuit board environment durability - Google Patents
A kind of sales kit (SK) being exclusively used in the evaluation of circuit board environment durability Download PDFInfo
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- CN207752043U CN207752043U CN201721645663.4U CN201721645663U CN207752043U CN 207752043 U CN207752043 U CN 207752043U CN 201721645663 U CN201721645663 U CN 201721645663U CN 207752043 U CN207752043 U CN 207752043U
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- circuit board
- chamber door
- sales kit
- babinet
- sliding block
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Abstract
The utility model discloses a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability, including babinet, the fixed sample holder of at least two-row spacing that is articulated with the chamber door of babinet and is placed in babinet, further include the sliding slot for being located at box top, sliding block, connecting rod, motor and PLC controller；Sliding block is located in sliding slot, and connecting rod one end is hinged on sliding block, and the connecting rod other end is hinged on chamber door upper ledge side；Motor driving sliding block slides in sliding slot, the control signal output mouth of the control terminal connection PLC controller of motor.The sales kit (SK) is in the environmental test chambers such as salt fog cabinet etc., it can be achieved that automatic opening and closing door under extreme conditions；And then simulate the true service state of electrical equipment circuit board chamber door open and close when regular maintenance under damp and hot marine environment.
Description
Technical field
The utility model belongs to circuit board performance test technical field more particularly to one kind being exclusively used in evaluation circuit board environment
The sales kit (SK) of durability.
Background technology
Circuit board is electrical equipment important component, is equivalent to the core brain of human body, is responsible for the important work of control system
With circuit board is mainly made of pad, via, mounting hole, conducting wire, component, connector, filling, electrical boundary etc., circuit board
Various pieces be responsible for different effects, such as connector is responsible for electric energy transmission, signal control and the transmitting of the task, any
One unit failure will all cause entire circuit or a certain control device to can not work normally or stop using as a servant.In damp and hot marine atmosphere ring
In border, circuit board will be threatened by high temperature, high humidity, salt fog, when salt fog deposits to circuit board surface, the correlation member of circuit board
Device quickly pollutes, corrodes, and then makes the quality rapid decrease of these components, greatly shortens its service life, seriously threatens
To the safe operation of electric utility.While circuit board element is contaminated and is corroded, also tend to mean electrical apparatus insulation
The degradation of performance, and then seriously threaten the safety of the person and facility.
For the above situation, how fast and effeciently circuit board performance to be evaluated, and guides development targetedly pre-
Anti- or control measure, it appears particularly important.In order to simulate electrical equipment circuit board regular maintenance under damp and hot marine environment
True service state, need electrical equipment circuit board being placed on IP (referring to water proof and dust proof degree of protection) protective housing in test
It is interior, then IP protective housings are positioned in environmental test chamber, environmental test function is periodically closed further according to experimental condition, open ring
IP protective housings are taken out in border chamber, open IP and protect chamber door, be positioned in environmental test chamber, close environmental test chamber, allow electricity
Gas circuitry plate is exposed in open IP protective housings under harsh environment after a period of time, closes environmental test function, is opened
Environmental test chamber takes out IP protective housings, closes IP and protects chamber door, be then placed into environmental test chamber, closes environmental test
Case allows electrical equipment circuit board to carry out environmental simulation test in closed IP protective housings.This process is very complicated, time-consuming to take
Power.
Utility model content
The purpose of this utility model is to provide a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability, the samples
Case is in the environmental test chambers such as salt fog cabinet etc., it can be achieved that automatic opening and closing door under extreme conditions；And then simulate electrical equipment circuit board
Under damp and hot marine environment when regular maintenance chamber door open and close true service state.
The purpose of this utility model is realized by technical measures below：It is durable that one kind being exclusively used in evaluation circuit board environment
The sales kit (SK) of property, including babinet, the fixed sample holder of at least two-row spacing that is articulated with the chamber door of babinet and is placed in babinet,
Further include the sliding slot for being located at box top, sliding block, connecting rod, motor and PLC controller；Sliding block is located in sliding slot, connecting rod one end hinge
It is connected on sliding block, the connecting rod other end is hinged on chamber door upper ledge side；Motor driving sliding block slides in sliding slot, and the control terminal of motor connects
Connect the control signal output mouth of PLC controller.
PLC controls motor rotation operation, to drive sliding block to be moved in sliding slot, and then drives link motion so that case
Door open, the chamber door opening time can by PLC control adjustment setting, at this time test circuit plate unlatching sales kit (SK) protection under into
Row environmental simulation test, so simulate island microgrid switch board repair and maintenance during cabinet door open when switch board interior circuit board
Actual condition.When chamber door needs to close, PLC control motor rotate backward, to drive sliding block to be moved in sliding slot, in turn
Drive link motion so that chamber door is closed.
It is equipped with sealing strip at the chamber door edge, wherein a side of chamber door is equipped with permanent magnet, the respective side on babinet
Side is equipped with electromagnetic relay, the control signal output mouth of the control terminal connection PLC controller of electromagnetic relay.PLC controller
Control electromagnetic relay carry out energization action, under the polarized effect of coil, there is a natural attraction between the sexes for permanent magnet and electromagnetic relay,
Can give chamber door one inside pulling force, assist the closing of chamber door, simultaneously because have between chamber door and babinet permanent magnet and electromagnetism after
Interaction force between electric appliance so that the sealing of sales kit (SK) chamber door is preferable, at this time circuit board under closed sales kit (SK) protection into
Row environmental simulation test, and then simulate the actual condition of switch board interior circuit board when island microgrid switch board cabinet door is closed.
The sample holder is equipped with the adjustable neck for fixing different size circuit plate samples, actual test sample ruler
It is very little not of uniform size, the specimen holder be designed to it is adjustable, can be used to fix various sizes of circuit board sample.
Spaced space between each side wall in the sample holder and babinet being fixed in babinet.So that sample
After product are fixed by specimen holder, the sample back side ensures the normal circulation of atmospheric environment, in turn apart from sales kit (SK) side certain distance
Ensure that the environment that sample front and back touches during environmental test is consistent.
The back side side wall of the babinet is equipped with hook, the fixation for entire sales kit (SK) in outdoor development environmental test.
The babinet, chamber door, sample holder use PVC plastic material.
The advantageous effect of utility model compared with the prior art is：The sales kit (SK) may be implemented in the environmental test chambers such as salt fog
Automatic opening sample chamber door can be realized without opening salt spray test chamber door, to simulate in maintenance of electrical equipment maintenance process
The actual condition of electrical equipment interior circuit board when chamber door is opened, the period that wherein sales kit (SK) chamber door opening time and chamber door open can
It adjusts.This puts the experiment process greatly simplified, improves work efficiency.In addition sample box enclosure is made of PVC material, in height
The extreme environments such as temperature, high humidity, high salt fog have preferable environment durability, while the certain IP degree of protection of sales kit (SK) band can
Simulate protection of the electrical appliance enclosure to inside electric appliance circuit board, also the adjustable sample of the sales kit (SK) floor installation
Various sizes of circuit board in a certain range can be fixed and then be facilitated the implementation of environmental test by frame.
The sales kit (SK) is simple in structure, and specimen holder is mounted with inside sales kit (SK), can be used to the circuit of fixed different size size
Plate, sales kit (SK) have certain IP degree of protection, and for simulating the IP degree of protection of electrical appliance enclosure, sales kit (SK) can be positioned over
Outdoor natural environment is exposed to the sun in the environmental test chambers such as field or salt fog cabinet, the sales kit (SK) energy resisting salt fog corrosion, and in salt fog cabinet etc.
Automatic opening and closing door can be achieved in environmental test chamber etc. under extreme conditions and then simulate electrical equipment circuit board in damp and hot marine environment
The true service state of lower regular maintenance.The sales kit (SK) provides one kind for the environmental simulation evaluation of electrical equipment circuit board
Simply, effective sample mounting device improves electrical equipment circuit board ring to increase the correlation of environmental simulation test
The working efficiency of border durability evaluation.
Description of the drawings
Fig. 1 is positive structure diagram when the utility model embodiment sales kit (SK) opens chamber door；
Fig. 2 is side structure schematic view when the utility model embodiment sales kit (SK) closes chamber door；
Fig. 3 is stereoscopic schematic diagram when the utility model embodiment sales kit (SK) opens chamber door；
Fig. 4 is stereoscopic schematic diagram when the utility model embodiment sales kit (SK) closes chamber door；
Fig. 5 is the electric signal figure of the PLC controls of the utility model embodiment sales kit (SK).
In figure, sliding slot 1, sliding block 2, connecting rod link 3, permanent magnet 4, sealing strip 5, chamber door 6, internal box wall 7, connecting rod 8, electromagnetism after
Electric appliance 9, hinge leaf 10, PLC controller 11, babinet 12, hook 13, sample 15, trip bolt 16, sample holder 17.
Specific implementation mode
Using embodiment below in conjunction with the accompanying drawings, the utility model is described in further detail.
The utility model provides a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability.As shown in Figure 1, three rows
Sample holder 17 with adjustable neck is fixed on box inside face through screw 16 and forms specimen holder, and three row's sample holders 17 are between the upper and lower
Every fixation.The screw length being screwed by controlling plastic screw 16 so that specimen holder is away from sales kit (SK) medial surface 2cm, when sample is logical
After crossing specimen holder fixation, clearance space of the sample back side apart from sales kit (SK) medial surface certain distance, to ensure atmospheric environment
Normal circulation, and then ensure that the environment that sample front and back touches during environmental test is consistent；Simultaneously in order to avoid sample
Corrosion failure occurs when carrying out environmental test or sample tests are had an impact and then influenced on circuit board sample for product frame,
Specimen holder used sample holder and screw are all made of the plastic materials such as PVC.
As shown in Fig. 2, sales kit (SK) is positioned over outdoor development environmental test, or sales kit (SK) is positioned over the environment such as salt fog
Experiment is carried out in chamber, can be fixed by linking up with 13 pairs of sales kit (SK)s.
As shown in figure 3, sales kit (SK) includes chamber door 6, babinet 12,6 inner side edge of chamber door is pasted with sealing strip 5.In order to simulate electricity
Protection of the gas device housings to inside electric appliance circuit board, sales kit (SK) have certain IP degree of protection.12 top surface of babinet
Sliding slot 1, sliding block 2, connecting rod 8, motor and PLC controller 11；Sliding block 2 is located in sliding slot 1, and 8 one end of connecting rod is hinged on sliding block 2,
8 other end of connecting rod is hinged chamber door upper ledge side through hinge 3；Motor driving sliding block slides in sliding slot, and the control terminal of motor connects PLC
The control signal output mouth of controller.SNSR1622 straight-line guide rail slide blocks can be selected in specific implementation, it can equipped with built-in motor
Sliding block is driven, is powered positive operation to motor 2 using PLC controller 11, to drive sliding block 2 to be moved in sliding slot 1, and then is driven
Connecting rod 8 moves so that chamber door 6 is opened, and circuit board carries out environmental simulation test, Jin Ermo under the sales kit (SK) protection of unlatching at this time
The actual condition of electrical equipment interior circuit board when chamber door is opened during quasi- electrical equipment circuit board repair and maintenance.
The power supply inverted running of micro machine 2 is given by PLC controller 11 as shown in Figure 4, to drive sliding block 2 to be moved in sliding slot 1
It is dynamic, and then connecting rod 8 is driven to move so that chamber door 6 is closed, and circuit board carries out environmental simulation under closed sales kit (SK) protection at this time
Experiment, and then simulate the actual condition of electrical equipment interior circuit board when electrical equipment chamber door is closed.
As shown in figure 3, wherein a side of chamber door is fixed there are three permanent magnet 4 at equal intervals, the respective side on babinet
Equipped with electromagnetic relay 9, the control signal output mouth of the control terminal connection PLC controller of electromagnetic relay.Chamber door is closed fixed
When the stage, PLC controller 11 is to being powered on electromagnetic relay 9, under the polarized effect of coil, electromagnetic relay 9
Polarity becomes N, with 4 polarity of permanent magnet on the contrary, the two there is a natural attraction between the sexes, give 6 one inside pulling force of sales kit (SK) chamber door, assist chamber door
6 closing, while making chamber door 6 and 12 better seal of babinet.
Fig. 5 is the electric signal control figure of PLC controller, in the dynamic process that chamber door opens and closes, PLC controllers
It is moved by controlling motor 2, and then with movable slider, chamber door opening timing stage, motor 2 moves with movable slider 2 and opens chamber door, case
Door timeing closing stage, motor 2 move with movable slider 2 and close chamber door.Chamber door timeing closing stage, PLC controller pass through control
It is powered to electromagnetic relay 9, under the polarized effect of coil, 9 polarity of electromagnetic relay becomes N, with 4 polarity phase of permanent magnet
Instead, there is a natural attraction between the sexes for the two, gives 6 one inside pulling force of sales kit (SK) chamber door, assists the closing of chamber door 6 so that chamber door 6 and babinet 12
Better seal.Remaining stage, electromagnetic relay 9 are in off-position, and electromagnetic relay 9 loses magnetism.
The above-mentioned certain IP degree of protection of sales kit (SK) band, the corrosion of sales kit (SK) energy salt spray resistance energy rigor condition；Sales kit (SK) is in salt fog
Automatic opening and closing door can be achieved in the case of the environmental test chambers such as case are closed.In order to simulate electrical appliance enclosure to inside electric appliance electricity
The protection of road plate, according to the degree of protection of electrical appliance enclosure come the IP degree of protection of design sample case, in actual test, no
The degree of protection of same electrical equipment, shell is different, and design IP degree of protection is IP23, IP33, IP34, IP54 etc. several often
Sales kit (SK).
By selecting sample box enclosure, specimen holder and the screws of plastic materials such as PVC etc. so that even if sales kit (SK) is long-term
Corrosion failure will not be occurred by being placed in the environmental test chambers such as salt fog or being exposed under natural environment, in addition in relation to sales kit (SK)
The circuit parts such as PLC controller, power supply take the corresponding safeguard procedures such as encapsulation process to protect it.
Use circuit board as evaluation object using island microgrid switch board, utility model works process is as follows：
S1：The IP degree of protection of island microgrid switch board is IP43, according to where island microgrid switch board circuit board
The IP degree of protection of switch board shell selectes suitable sales kit (SK), that is, selects IP degree of protection for the sales kit (SK) of IP43；
S2：Circuit board sample is fixed on by the adjustable sample holder of band card slot, screw on specimen holder, as schemed institute
Show, there are certain gap between circuit board sample and sample, there are certain distances with cabinet shell at the sample back side, to ensure
The environment that sample front and back touches during environmental test is consistent, closes sales kit (SK) chamber door.
S3：The frequency that sales kit (SK) chamber door opens and closes is set by PLC controller, it is every 7 to design open frequency herein
It is opened once, and 5min is once opened.
S4：Sales kit (SK) is positioned in salt fog cabinet, salt fog cabinet spraying system is opened, sprays to sales kit (SK), it is to be sprayed
System stablizes about 10min；
S5：Sales kit (SK) PLC controller supplies electricity to micromotor power supply by control and rotates forward, to drive sliding block to be moved in sliding slot
It is dynamic, and then drive link motion so that chamber door is opened, and the sales kit (SK) chamber door opening time is 5min, and circuit board is in unlatching at this time
Sales kit (SK) protection is lower to carry out environmental simulation test, and then during simulation island microgrid switch board repair and maintenance when cabinet door unlatching
The actual condition of switch board interior circuit board；
S6：After sales kit (SK) chamber door opens 5min, sales kit (SK) PLC controller supplies electricity to micromotor by control and inverts, from
And sliding block is driven to be moved in sliding slot, and then drive link motion so that chamber door is closed, and at the same time PLC control system passes through control
Power supply system processed is powered to electromagnetic relay, under the polarized effect of coil, permanent magnet and electromagnetic relay opposite sex phase
It inhales, can also give one inside pulling force of chamber door, the closing of chamber door be assisted, simultaneously because having permanent magnet and electricity between chamber door and babinet
Interaction force between magnetic relay so that the sealing of sales kit (SK) chamber door is preferable, and the sales kit (SK) door opening or closing time is 7d, electric at this time
Road plate carries out environmental simulation test under closed sales kit (SK) protection, and then simulates island microgrid switch board cabinet door and close time control
The actual condition of cabinet interior circuit board processed；
S5-S6 is a cycle can evaluate during realistic simulation experiment according to the environmental simulation of electrical equipment circuit board
Specific experimental condition determines the test period in method.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. it being exclusively used in the sales kit (SK) of evaluation circuit board environment durability a kind of, including babinet, is articulated with the chamber door of babinet and is placed in
The fixed sample holder of at least two-row spacing in babinet, which is characterized in that further include the sliding slot for being located at box top, sliding block,
Connecting rod, motor and PLC controller；Sliding block is located in sliding slot, and connecting rod one end is hinged on sliding block, and the connecting rod other end is hinged on chamber door
On frame side；Motor driving sliding block slides in sliding slot, the control signal output mouth of the control terminal connection PLC controller of motor.
2. a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability according to claim 1, which is characterized in that
The chamber door edge is equipped with sealing strip, and wherein a side of chamber door is equipped with permanent magnet, and the respective side on babinet is equipped with electromagnetism
Relay, the control signal output mouth of the control terminal connection PLC controller of electromagnetic relay.
3. a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability according to claim 1, which is characterized in that institute
Sample holder is stated equipped with the adjustable neck for fixing different size circuit plate samples.
4. a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability according to claim 1 or 2 or 3, feature
It is, spaced space between each side wall in the sample holder and babinet being fixed in babinet.
5. a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability according to claim 4, which is characterized in that institute
The back side side wall for stating babinet is equipped with hook, the fixation for entire sales kit (SK) in outdoor development environmental test.
6. a kind of sales kit (SK) being exclusively used in evaluation circuit board environment durability according to claim 5, which is characterized in that institute
It states babinet, chamber door, sample holder and is all made of PVC plastic material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017215047226 | 2017-11-13 | ||
| CN201721504722 | 2017-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207752043U true CN207752043U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645663.4U Active CN207752043U (en) | 2017-11-13 | 2017-12-01 | A kind of sales kit (SK) being exclusively used in the evaluation of circuit board environment durability |
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| CN (1) | CN207752043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117471282A (en) * | 2023-11-14 | 2024-01-30 | 杭州高坤电子科技有限公司 | Semiconductor vacuum test box |
-
2017
- 2017-12-01 CN CN201721645663.4U patent/CN207752043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117471282A (en) * | 2023-11-14 | 2024-01-30 | 杭州高坤电子科技有限公司 | Semiconductor vacuum test box |
| CN117471282B (en) * | 2023-11-14 | 2024-06-21 | 杭州高坤电子科技有限公司 | Semiconductor vacuum test box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510302 No. 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Patentee after: China Electrical Appliance Research Institute Co., Ltd. Address before: 510300 No. 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Patentee before: China National Electric Apparatus Research Institute Co., Ltd. |
|
| CP03 | Change of name, title or address |