CN109683080A - A kind of circuit board senile experiment device - Google Patents
A kind of circuit board senile experiment device Download PDFInfo
- Publication number
- CN109683080A CN109683080A CN201711263139.5A CN201711263139A CN109683080A CN 109683080 A CN109683080 A CN 109683080A CN 201711263139 A CN201711263139 A CN 201711263139A CN 109683080 A CN109683080 A CN 109683080A
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- China
- Prior art keywords
- circuit board
- controller
- electrically connected
- experimental box
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2849—Environmental or reliability testing, e.g. burn-in or validation tests
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to circuit board manufacture fields, in particular to a kind of circuit board senile experiment device, it include experimental box, to control the pressure assembly of pressure in experimental box, to control the humidity regulation mechanism of humidity in experimental box, to adjust the thermoregulation mechanism and control device of experiment the temperature inside the box, the pressure assembly includes the vacuum pump that experimental box side is arranged in, vacuum pump is electrically connected by driver and controller, the humidity regulation mechanism includes humidifier, thermoregulation mechanism includes heating tube, the experimental box includes outer container and the interior case that is arranged in outer container, the cavity for accommodating heating tube is provided between outer container and interior case, the control device includes controller and sensor module, the present invention realizes the accurate control to the environmental factor in experimental box, guarantee the case where reducing circuit board crash rate Under, the service life loss of circuit board is reduced, the service efficiency of circuit board is improved.
Description
Technical field
The present invention relates to circuit board manufacture field, in particular to a kind of circuit board senile experiment device.
Background technique
The circuit board just produced job insecurity in the state of energization, crash rate is high, in order to guarantee circuit board
Stability and quality, problem does not occur in, so to be powered aging to circuit board, by change environmental factor come
The progress of the aging of circuit board is proposed, but if degree of aging is excessively high, will cause the unnecessary waste of circuit board service life, be
The service life that circuit board is improved in the case where reducing circuit board crash rate, needs to realize the accurate control to environmental factor
System.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of circuit board senile experiment device.
To solve the above problems, the present invention the following technical schemes are provided:
A kind of circuit board senile experiment device, include experimental box, to control the pressure assembly of pressure in experimental box, to control
The humidity regulation mechanism of humidity, thermoregulation mechanism and control device to adjust experiment the temperature inside the box, institute in experimental box processed
Stating pressure assembly includes the vacuum pump that experimental box side is arranged in, and vacuum pump is electrically connected by driver and controller, institute
Stating humidity regulation mechanism includes humidifier, and humidifier is connected to experimental box, and thermoregulation mechanism includes heating tube, heating tube
It is electrically connected with control device, the experimental box includes outer container and the interior case that is arranged in outer container, is set between outer container and interior case
It is equipped with the cavity for accommodating heating tube, the control device includes controller and sensor module, the sensor module
It is electrically connected with controller, sensor module is located in experimental box.
Further, the sensor module includes temperature sensor, humidity sensor and pressure sensor, and temperature passes
Interior case, temperature sensor, humidity sensor and pressure sensing are protruded into the test side of sensor, humidity sensor and pressure sensor
Device is electrically connected with controller.
Further, the interior case is provided with the supporting plate that several power circuit boards are put, and is provided on the supporting plate
The electrical slot of power circuit board grafting.
Further, all supporting plates are mating with interior case, and the interior case is provided with for supporting plate grafting
Sliding slot, sliding slot are provided with several locking members for positioning supporting plate.
Further, the temperature sensor is electrically connected by the first signal conversion component and controller, and described first
Signal conversion component includes converter, low-pass filter and signal amplifier, the temperature sensor and signal amplifier
It is electrically connected, signal amplifier, low-pass filter and converter are sequentially connected in series, and low-pass filter and controller are electrically connected.
Further, the humidity sensor is electrically connected by second signal transition components and controller, pressure sensing
Device is electrically connected by third signal conversion component and controller, the second signal transition components, third signal conversion component
It is identical as the structure of the first signal conversion component.
Further, the second signal transition components, third signal conversion component with the first signal conversion component simultaneously
Connection.
Further, the controller is electrically connected by D/A converter and driver.
Further, the controller is electrically connected by contactor and heating tube.
The utility model has the advantages that a kind of circuit board senile experiment device of the invention, is put into reality for the circuit board just produced
Electrical slot is injected in the interior case of tryoff, experimental box is closed, and then starts vacuum pump, heating tube and humidifier, temperature sensing
Device, humidity sensor and the pressure in pressure sensor real-time detection experimental box, temperature and humidity, temperature sensor pass through first
Signal is transmitted to controller by signal conversion component, and whether controller reaches standard come the temperature in judgment experiment case according to preset value
Then value controls whether heating tube continues to heat by contactor, temperature and humidity, humidity sensor is converted by second signal
Signal is transmitted to controller by component, and whether controller reaches standard value according to preset value come the humidity in judgment experiment case, then
Whether control humidifier continues to continue to humidify to experimental box, and signal is transmitted to control by third signal conversion component by pressure sensor
Whether device processed, controller reach standard value according to preset value come the pressure in judgment experiment case, then true by driver control
Whether sky pump continues to continue to pressurize to experimental box, realizes the accurate control to the environmental factor in experimental box, guarantees reducing electricity
In the case where the plate crash rate of road, the service life loss of circuit board is reduced, the service efficiency of circuit board is improved.
Detailed description of the invention
Fig. 1 is the front view of experimental box of the present invention；
Fig. 2 is system block diagram of the invention；
Acquisition and temperature controlled flow chart of the Fig. 3 for temperature signal of the invention.
Description of symbols: outer container 1, interior case 2, supporting plate 3, electrical slot 4, locking member 5.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail:
It include experimental box, to control experimental box internal pressure referring to figs. 1 to a kind of circuit board senile experiment device shown in Fig. 3
Strong pressure assembly, the humidity regulation mechanism to control humidity in experimental box, the temperature tune to adjust experiment the temperature inside the box
It saves mechanism and control device, the pressure assembly includes the vacuum pump that experimental box side is arranged in, vacuum pump passes through driver
It is electrically connected with controller, the humidity regulation mechanism includes humidifier, and humidifier is connected to experimental box, thermoregulation mechanism
It include heating tube, heating tube and control device are electrically connected, and the experimental box includes outer container 1 and is arranged in outer container 1
Interior case 2, is provided with the cavity for accommodating heating tube between outer container 1 and interior case 2, the control device includes controller and biography
Sensor component, the sensor module and controller are electrically connected, and sensor module is located in experimental box, humidifier, controller
The model prior art and will not be described here in detail.
Working principle: the circuit board just produced being put into the interior case 2 of experimental box and inject electrical slot 4, will be real
Then it is real-time to start vacuum pump, heating tube and humidifier, temperature sensor, humidity sensor and pressure sensor for tryoff closing
Signal is transmitted to controller by the first signal conversion component by pressure, temperature and humidity in test experience case, temperature sensor,
Whether controller reaches standard value according to preset value come the temperature in judgment experiment case, and then controlling heating tube by contactor is
No to continue to heat, signal is transmitted to controller, controller root by second signal transition components by temperature and humidity, humidity sensor
Whether the humidity come in judgment experiment case according to preset value reaches standard value, then controls whether humidifier continues to continue experimental box
Signal is transmitted to controller by third signal conversion component by humidification, pressure sensor, and controller judges reality according to preset value
Whether whether the pressure in tryoff reaches standard value, then continue to continue to pressurize to experimental box by driver control vacuum pump.
The sensor module includes temperature sensor, humidity sensor and pressure sensor, temperature sensor, humidity
Interior case 2 is protruded into the test side of sensor and pressure sensor, temperature sensor, humidity sensor and pressure sensor with control
Device processed is electrically connected, and temperature sensor, humidity sensor and pressure sensor can be to temperature, humidity and the pressure in experimental box
It is measured in real time.
The interior case 2 is provided with the supporting plate 3 that several power circuit boards are put, and is provided on the supporting plate 3 for circuit
The electrical slot 4 of plate grafting allows circuit board to be powered under temperature, humidity and the higher environment of pressure, and temperature sensor is
Module sensors, model PT100, humidity sensor are Linear voltage output formula Integrated Humidity Sensor, model HM1500/
1520, pressure sensor is piezoelectric pressure indicator, model 24PCEFA6D.
All supporting plates 3 are mating with interior case 2, and the interior case 2 is provided with the sliding slot for 3 grafting of supporting plate,
Sliding slot is provided with several for the locking member 5 that positions supporting plate 3, locking member 5 avoid opening experiment chamber door loading plate from
Sliding slot skids off.
The temperature sensor is electrically connected by the first signal conversion component and controller, the first signal conversion group
Part includes converter, low-pass filter and signal amplifier, and the temperature sensor and signal amplifier are electrically connected, letter
Number amplifier, low-pass filter and converter are sequentially connected in series, and low-pass filter and controller are electrically connected, and temperature sensor will
Signal is transmitted to signal amplifier, and then amplified signal is transmitted to low-pass filter, is then passed to converter, is finally transmitted to control
Device processed, signal amplifier are that CHFQ-02 is accurate.
The humidity sensor is electrically connected by second signal transition components and controller, and pressure sensor passes through third
Signal conversion component and controller are electrically connected, and the second signal transition components, third signal conversion component are believed with first
The structure of number transition components is identical, and humidity sensor and pressure sensor pass through signal transmission form identical with temperature sensor
Transmit a signal to controller.
The second signal transition components, third signal conversion component are in parallel with the first signal conversion component, and temperature passes
It is not interfere with each other in sensor, humidity sensor and pressure sensor signal transmission process, guarantees the accuracy of signal.
The controller is electrically connected by D/A converter and driver, and whether controller passes through driver control vacuum pump
Continue to operate.
The controller is electrically connected by contactor and heating tube, controller by contactor control heating tube whether after
Whether continuous work, controller continue to humidify also by contactor control humidifier.
Claims (9)
1. a kind of circuit board senile experiment device, it is characterised in that: include experimental box, the pressure to control pressure in experimental box
Power component, the humidity regulation mechanism to control humidity in experimental box, the thermoregulation mechanism to adjust experiment the temperature inside the box
And control device, the pressure assembly include the vacuum pump that experimental box side is arranged in, vacuum pump passes through driver and control
Device is electrically connected, and the humidity regulation mechanism includes humidifier, and humidifier is connected to experimental box, and thermoregulation mechanism includes
Heating tube, heating tube and control device are electrically connected, and the experimental box includes that outer container (1) and setting are interior in outer container (1)
Case (2), is provided with the cavity for accommodating heating tube between outer container (1) and interior case (2), the control device includes controller
And sensor module, the sensor module and controller are electrically connected, sensor module is located in experimental box.
2. a kind of circuit board senile experiment device according to claim 1, it is characterised in that: the sensor module includes
There are temperature sensor, humidity sensor and pressure sensor, the test side of temperature sensor, humidity sensor and pressure sensor
It protrudes into interior case (2), temperature sensor, humidity sensor and pressure sensor are electrically connected with controller.
3. a kind of circuit board senile experiment device according to claim 2, it is characterised in that: the interior case (2) is provided with
The supporting plate (3) that several power circuit boards are put is provided with the electrical slot (4) of power circuit board grafting on the supporting plate (3).
4. a kind of circuit board senile experiment device according to claim 3, it is characterised in that: all supporting plates (3)
Mating with interior case (2), the interior case (2) is provided with the sliding slot for supporting plate (3) grafting, and sliding slot is provided with several use
In the locking member (5) for positioning supporting plate (3).
5. a kind of circuit board senile experiment device according to claim 2, it is characterised in that: the temperature sensor passes through
First signal conversion component and controller are electrically connected, and first signal conversion component includes converter, low-pass filtering
Device and signal amplifier, the temperature sensor and signal amplifier are electrically connected, and signal amplifier, low-pass filter and AD turn
Parallel operation is sequentially connected in series, and low-pass filter and controller are electrically connected.
6. a kind of circuit board senile experiment device according to claim 5, it is characterised in that: the humidity sensor passes through
Second signal transition components and controller are electrically connected, and pressure sensor is electrically connected by third signal conversion component with controller
It connects, the second signal transition components, third signal conversion component are identical as the structure of the first signal conversion component.
7. a kind of circuit board senile experiment device according to claim 6, it is characterised in that: the second signal conversion group
Part, third signal conversion component are in parallel with the first signal conversion component.
8. a kind of circuit board senile experiment device according to claim 1, it is characterised in that: the controller is turned by DA
Parallel operation and driver are electrically connected.
9. a kind of circuit board senile experiment device according to claim 1, it is characterised in that: the controller passes through contact
Device and heating tube are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263139.5A CN109683080A (en) | 2017-12-05 | 2017-12-05 | A kind of circuit board senile experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263139.5A CN109683080A (en) | 2017-12-05 | 2017-12-05 | A kind of circuit board senile experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683080A true CN109683080A (en) | 2019-04-26 |
Family
ID=66183873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711263139.5A Pending CN109683080A (en) | 2017-12-05 | 2017-12-05 | A kind of circuit board senile experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109683080A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060808A (en) * | 2019-12-26 | 2020-04-24 | 无锡锐科光纤激光技术有限责任公司 | Aging device and aging method for circuit board of pulse fiber laser |
| CN111190448A (en) * | 2020-01-14 | 2020-05-22 | 衍昌电子科技(东莞)有限公司 | Temperature control system and method for controlling the temperature of a device under test |
| CN114778902A (en) * | 2022-06-27 | 2022-07-22 | 武汉永鼎光通科技有限公司 | PCBA adds electric testing arrangement and prevents to cross anchor clamps of inserting |
| CN116184164A (en) * | 2023-02-09 | 2023-05-30 | 欧朗电子科技有限公司 | Abnormal detection system and detection method for mass-produced electronically controlled PCBA aging test |
-
2017
- 2017-12-05 CN CN201711263139.5A patent/CN109683080A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060808A (en) * | 2019-12-26 | 2020-04-24 | 无锡锐科光纤激光技术有限责任公司 | Aging device and aging method for circuit board of pulse fiber laser |
| CN111190448A (en) * | 2020-01-14 | 2020-05-22 | 衍昌电子科技(东莞)有限公司 | Temperature control system and method for controlling the temperature of a device under test |
| CN111190448B (en) * | 2020-01-14 | 2022-03-15 | 衍昌电子科技(东莞)有限公司 | Temperature control system and method for controlling the temperature of a device under test |
| CN114778902A (en) * | 2022-06-27 | 2022-07-22 | 武汉永鼎光通科技有限公司 | PCBA adds electric testing arrangement and prevents to cross anchor clamps of inserting |
| CN116184164A (en) * | 2023-02-09 | 2023-05-30 | 欧朗电子科技有限公司 | Abnormal detection system and detection method for mass-produced electronically controlled PCBA aging test |
| CN116184164B (en) * | 2023-02-09 | 2025-12-12 | 欧朗电子科技有限公司 | Mass Production Electronic Control PCBA Aging Test Anomaly Detection System and Detection Method |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190426 |