CN115078152A - Cold and hot impact testing device for automobile electronic component - Google Patents
Cold and hot impact testing device for automobile electronic component Download PDFInfo
- Publication number
- CN115078152A CN115078152A CN202210832854.0A CN202210832854A CN115078152A CN 115078152 A CN115078152 A CN 115078152A CN 202210832854 A CN202210832854 A CN 202210832854A CN 115078152 A CN115078152 A CN 115078152A
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- box
- cold
- bin
- heating
- refrigerating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a cold and hot impact testing device for automobile electronic components, which comprises a cold and hot impact box and a lifting box, wherein the cold and hot impact box comprises a heating bin and a refrigerating bin, observation windows are arranged on doors of the heating bin and the refrigerating bin, a control panel is arranged on the right side of the heating bin, a driving box is arranged at the top end of the cold and hot impact box, a driving motor is arranged in the driving box and is connected with a screw rod through a transmission belt, the screw rod penetrates through the driving box and extends into the heating bin to be connected with the lifting box, a ball flange seat is arranged in the lifting box corresponding to the screw rod, compression sealing rubber is arranged at the upper end and the lower end of the lifting box, limiting plates are arranged at the upper end and the lower end of the compression sealing rubber, pressure sensors are symmetrically arranged on the bottom surface inside the heating bin and the top surface inside the refrigerating bin, and the cold and hot impact of the electronic components is realized by utilizing a lifting mode, and the cold-heat conversion process is simple, the sealing performance is strong, and the test effect is good.
Description
Technical Field
The invention relates to a device for testing cold and hot shock of an automobile electronic component.
Background
Automobiles are important vehicles in daily life, and there are many electronic components on automobiles, such as navigation, audio and video equipment, and some intelligent devices. These electronic components need to be tested during the production process, including cold and hot testing, etc.
Most of the existing cold and hot detection devices are separated detection devices, the switching mode is generally manual switching, the detection mode cannot meet the performance test of the device, and certain defects exist.
Disclosure of Invention
The invention aims to provide a cold and hot impact testing device for automobile electronic components, which can automatically realize cold and hot impact of the electronic components, has high operation efficiency and better safety.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a cold and hot impact box, a driving box and a lifting box,
the cold and hot impact box comprises a heating bin and a refrigerating bin, wherein the bin doors of the heating bin and the refrigerating bin are both provided with observation windows, the right side of the heating bin is provided with a control panel, and a first heat dissipation port is arranged below the control panel;
the driving box is arranged at the top end of the cold and hot impact box, a second heat dissipation opening is formed in the driving box, a driving motor is arranged in the driving box, the driving motor is connected with a screw rod through a transmission belt, and the screw rod penetrates through the driving box and extends into the heating bin to be connected with the lifting box;
the lifting box is provided with a ball flange seat corresponding to the screw, the upper end and the lower end of the lifting box are both provided with compressed sealing rubber, and the upper end and the lower end of the compressed sealing rubber are provided with limiting plates;
and pressure sensors are symmetrically arranged on the bottom surface inside the heating bin and the top surface inside the refrigerating bin.
Preferably, a heating system is arranged in the wall of the heating bin, and comprises a heating plate, a blower and a temperature sensor.
Preferably, a refrigerating system is arranged in the wall of the refrigerating bin, and comprises a compressor, a condenser, an evaporator, a throttle expansion valve, a pipe fitting and a temperature sensor.
Preferably, a through notch is arranged between the heating bin and the refrigerating bin, the notch and the lifting box are the same in size, and a placing groove is formed in the front face of the lifting box.
Preferably, a thread groove is formed in the lifting box corresponding to the screw, wherein the length of the screw is 2.5 times of the thread groove.
Preferably, the pressure sensor is arranged between the outer wall of the lifting box and the outer wall of the compression sealing rubber.
Compared with the prior art, the invention has the beneficial effects that: the invention realizes cold and hot impact of the electronic part by utilizing a lifting mode, and has simple cold and hot conversion process, strong sealing performance and good test effect.
Drawings
FIG. 1 is a schematic structural diagram of an automotive electronic component thermal shock testing apparatus according to the present invention.
Fig. 2 is a schematic view of the internal structure of the heating chamber of the present invention.
Fig. 3 is a schematic view of the lifting structure of the lifting box of the present invention.
Fig. 4 is a schematic view of the structure of the lift box of the present invention.
In the figure: 1-cold and hot impact box, 2-heating box, 3-cooling box, 4-observation window, 5-control panel, 6-first heat dissipation port, 7-driving box, 8-second heat dissipation port, 9-driving motor, 10-driving belt, 11-screw rod, 12-ball flange seat, 13-lifting box, 14-limiting plate, 15-compression sealing rubber, 16-placing groove, 17-pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: comprises a cold and hot impact box 1, a driving box 7 and a lifting box 13,
the cold and hot impact box 1 comprises a heating bin 2 and a refrigerating bin 3, wherein the bin doors of the heating bin 2 and the refrigerating bin 3 are respectively provided with an observation window 4, the right side of the heating bin 3 is provided with a control panel 5, and a first heat dissipation port 6 is arranged below the control panel 5;
the driving box 7 is arranged at the top end of the cold and hot impact box 1, a second heat dissipation port 8 is arranged on the driving box 7, a driving motor 9 is arranged in the driving box 7, the driving motor 9 is connected with a screw rod 11 through a driving belt 10, and the screw rod 11 penetrates through the driving box 7 and extends into the heating bin 2 to be connected with a lifting box 13;
the lifting box 13 is provided with a ball flange seat 12 corresponding to the screw 11, the upper end and the lower end of the lifting box 13 are both provided with compressed sealing rubber 15, and the upper end and the lower end of the compressed sealing rubber 15 are provided with limiting plates 15;
and pressure sensors 16 are symmetrically arranged on the bottom surface inside the heating bin 2 and the top surface inside the refrigerating bin 3.
Further, a heating system is arranged in the wall of the heating bin 2, and comprises a heating plate, a blower and a temperature sensor.
Further, a refrigerating system is arranged in the wall of the refrigerating chamber 3, and the refrigerating system comprises a compressor, a condenser, an evaporator, a throttle expansion valve, a pipe fitting and a temperature sensor.
The control panel 5 is electrically connected with the heating system and the refrigerating system, after the heating plate in the heating system is heated, the air blower is matched to keep the hot air empty, so that the heating bin 2 is filled, the internal temperature of the heating bin is uniformly raised, the compressor of the refrigerating system sucks vaporized low-pressure steam from the evaporator and applies work to the steam, the steam is compressed into high-pressure superheated steam and then is discharged into the condenser, the high-pressure superheated steam is condensed into liquid by utilizing cooling water or air in the condenser and takes away heat, and refrigerating liquid is discharged from the bottom of the condenser. The process is repeated in this way, and continuous refrigeration is realized.
Further, be provided with between storehouse 2 and the refrigeration storehouse 3 and link up the breach, this breach and lift box 13 size are the same, and lift box 13 openly is provided with standing groove 16, lift box 13 lift process is driving motor 9 again control, utilizes driving motor 9 to drive screw rod 11 and rotates, makes its lift box 13 reach straight line lift for lift box 13 changes between storehouse 2 and the refrigeration storehouse 3 of heating, and limiting plate 15 is used for spacing lift box 13, and compression sealing rubber 15 is used for the sealed breach that link up between storehouse 2 and the refrigeration storehouse 3 of heating, and when compression sealing rubber 15 extrudees the pressure value that pressure sensor 16 caused, the pressure value of settlement both is complete sealing value, and the signal of telecommunication of output is acquireed by control panel 5, and stops driving motor 9's operation, avoids the excessive pressure to cause compression sealing rubber 15 loss.
The working principle of the invention is as follows: in the using process, firstly, electronic components are stably placed in a lifting box 13 placing groove 16 in a heating bin 2, then the heating bin 2 is limited to be heated at high temperature through a control panel 5, after the relative temperature is reached, a constant temperature test is carried out for 15-20 minutes, then a driving motor 9 is controlled to move, the driving motor 9 is utilized to drive a screw rod 11 to rotate, so that the lifting box 13 linearly descends and falls into a refrigerating bin 3, in the descending process of the lifting box 13, the sealing rubber 15 is compressed at the top end of the lifting box 13 to extrude a pressure sensor 16, the generated pressure value is obtained by the control panel 5, the driving motor 9 is stopped to move after the set pressure value is reached, so as to ensure the heating bin 2 and the refrigerating bin 3 to be completely sealed, then, the refrigerating bin 3 is limited to be refrigerated at low temperature through the control panel 5, after the relative temperature is reached, the constant temperature test is carried out for 15-20 minutes, then, the lifting box 13 is lifted to the heating bin 2 by the driving motor 9 again, and the test effect of the electronic component is achieved through repeated cold and hot impact.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a cold and hot impact testing arrangement of car electronic parts, includes cold and hot impact case (1), drive case (7) and cage (13), its characterized in that:
the cold and hot impact box (1) comprises a heating bin (2) and a refrigerating bin (3), wherein observation windows (4) are arranged on bin doors of the heating bin (2) and the refrigerating bin (3), a control panel (5) is arranged on the right side of the heating bin (3), and a first heat dissipation opening (6) is arranged below the control panel (5);
the driving box (7) is arranged at the top end of the cold and hot impact box (1), a second heat dissipation opening (8) is formed in the driving box (7), a driving motor (9) is arranged in the driving box (7), the driving motor (9) is connected with a screw rod (11) through a driving belt (10), and the screw rod (11) penetrates through the driving box (7) and extends into the heating bin (2) to be connected with a lifting box (13);
the lifting box (13) is provided with a ball flange seat (12) corresponding to the screw (11), the upper end and the lower end of the lifting box (13) are both provided with compressed sealing rubber (15), and the upper end and the lower end of the compressed sealing rubber (15) are provided with limiting plates (15);
and pressure sensors (16) are symmetrically arranged on the inner bottom surface of the heating bin (2) and the inner top surface of the refrigerating bin (3).
2. The device for testing cold and hot shock of electronic parts of an automobile according to claim 1, wherein: the heating system is arranged in the wall of the heating bin (2) and comprises a heating plate, a blower and a temperature sensor.
3. The device for testing cold and hot shock of electronic parts of an automobile according to claim 1, wherein: and a refrigerating system is arranged in the wall of the refrigerating bin (3), and comprises a compressor, a condenser, an evaporator, a throttle expansion valve, a pipe fitting and a temperature sensor.
4. The device for testing cold and hot shock of electronic parts of an automobile according to claim 1, wherein: a through notch is arranged between the heating bin (2) and the refrigerating bin (3), the size of the through notch is the same as that of the lifting box (13), and a placing groove (16) is arranged on the front surface of the lifting box (13).
5. The device for testing cold and hot shock of electronic parts of an automobile according to claim 1, wherein: a thread groove is arranged in the lifting box (13) corresponding to the screw rod (11), wherein the length of the screw rod (11) is 2.5 times of that of the thread groove.
6. The device for testing cold and hot shock of electronic parts of an automobile according to claim 1, wherein: the pressure sensor (16) is arranged between the outer wall of the lifting box (13) and the outer wall of the compression sealing rubber (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832854.0A CN115078152A (en) | 2022-07-15 | 2022-07-15 | Cold and hot impact testing device for automobile electronic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832854.0A CN115078152A (en) | 2022-07-15 | 2022-07-15 | Cold and hot impact testing device for automobile electronic component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115078152A true CN115078152A (en) | 2022-09-20 |
Family
ID=83259813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210832854.0A Withdrawn CN115078152A (en) | 2022-07-15 | 2022-07-15 | Cold and hot impact testing device for automobile electronic component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115078152A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388615A (en) * | 2023-10-20 | 2024-01-12 | 无锡冠亚智能装备有限公司 | Cold and hot impact testing device for automobile electronic component |
-
2022
- 2022-07-15 CN CN202210832854.0A patent/CN115078152A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388615A (en) * | 2023-10-20 | 2024-01-12 | 无锡冠亚智能装备有限公司 | Cold and hot impact testing device for automobile electronic component |
| CN117388615B (en) * | 2023-10-20 | 2024-05-07 | 无锡冠亚智能装备有限公司 | Cold and hot impact testing device for automobile electronic component |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220920 |