CN110082205B - Electronic equipment - Google Patents
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- CN110082205B CN110082205B CN201910347678.XA CN201910347678A CN110082205B CN 110082205 B CN110082205 B CN 110082205B CN 201910347678 A CN201910347678 A CN 201910347678A CN 110082205 B CN110082205 B CN 110082205B
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of electronic equipment, and discloses electronic equipment, which comprises a mainboard, a shell and at least one supporting device arranged between the mainboard and the shell, wherein each supporting device comprises: the first measuring mechanism is arranged on the surface of one side, facing the main board, of the shell; the pressure mechanism is arranged on one side of the main board facing the shell; the driving mechanism is used for driving the pressure mechanism to act so as to adjust the acting force exerted on the shell by the pressure mechanism, and one end of the driving mechanism is fixedly connected with the main board; the second measuring mechanism is arranged between the pressure mechanism and the driving mechanism; and the control mechanism is in signal connection with the first measuring mechanism, the second measuring mechanism and the driving mechanism, and adjusts the driving mechanism to move towards the direction close to or far away from the shell according to data measured by the first measuring mechanism and the second measuring mechanism. This electronic equipment has increased electronic equipment's compressive capacity through increase strutting arrangement between mainboard and casing, has improved the plane degree of complete machine.
Description
Technical Field
The present invention relates to electronic devices, and particularly to an electronic device.
Background
At present, all electronic equipment needs to be subjected to soft pressure test, and the condition that a user presses the electronic equipment in the process of carrying or using the electronic equipment is simulated through the soft pressure test. In the soft-pressing test process, a vertical force is required to be applied to the front side and the back side of the electronic equipment respectively for testing, and if the structural strength of the whole machine does not meet the requirement, the whole machine can deform in a concave-convex mode after the soft-pressing test, and particularly for the electronic equipment with larger size, the problem that the flatness of the whole machine is out of tolerance is easily caused by central stress.
Disclosure of Invention
The invention provides electronic equipment, which increases the pressure resistance of the electronic equipment by adding a supporting device between a main board and a shell and improves the flatness of the whole electronic equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
an electronic device, comprising a main board, a housing, and at least one supporting device disposed between the main board and the housing for balancing an external pressure applied to the electronic device, wherein each supporting device comprises:
the first measuring mechanism is arranged on the surface of one side, facing the main board, of the shell and used for measuring the deformation of the shell after the shell is subjected to external pressure;
the pressure mechanism is arranged on one side of the main board facing the shell and used for applying acting force opposite to the direction of the external pressure to the shell;
the driving mechanism is used for driving the pressure mechanism to act so as to adjust the acting force exerted on the shell by the pressure mechanism, and one end of the driving mechanism is fixedly connected with the main board;
the second measuring mechanism is arranged between the pressure mechanism and the driving mechanism and is used for measuring the current pressure of the pressure mechanism;
and the control mechanism is in signal connection with the first measuring mechanism, the second measuring mechanism and the driving mechanism, and adjusts the driving mechanism to move towards or away from the shell according to data measured by the first measuring mechanism and the second measuring mechanism.
The electronic equipment comprises a mainboard, a shell and at least one supporting device arranged between the mainboard and the shell, wherein the supporting device is used for balancing the external pressure on the electronic equipment, the external pressure comprises the pressure on the whole machine in the soft pressure test process, the pressure on the electronic equipment in the use process and the like, the supporting device comprises a first measuring mechanism, a pressure mechanism, a driving mechanism, a second measuring mechanism and a control mechanism, the first measuring mechanism is arranged on the surface of one side of the shell, which faces the mainboard, the driving mechanism is fixedly arranged on the mainboard, the second measuring mechanism is arranged on one side of the driving mechanism, which faces the shell, the pressure mechanism is arranged on one side of the second measuring mechanism, and the control mechanism is in signal connection with the first measuring mechanism, the second measuring mechanism and the driving mechanism; the working process of the supporting device is as follows: when the first measuring mechanism detects that the shell is subjected to external pressure, a stress magnitude signal is transmitted to the control mechanism, the control mechanism controls the driving mechanism to act according to the stress magnitude signal, the driving mechanism acts to drive the pressure mechanism to apply acting force to the shell, at the moment, the second measuring mechanism measures the magnitude of the acting force applied by the pressure mechanism and feeds the magnitude of the acting force back to the control mechanism, the control mechanism adjusts the driving mechanism and then adjusts the magnitude of the acting force applied by the pressure mechanism, the supporting device counteracts the external pressure by applying the acting force opposite to the direction of the external pressure applied by the shell to the shell, and therefore the flatness of the whole machine is improved. After the supporting device is additionally arranged in the electronic equipment, after the electronic equipment is subjected to soft pressure test or is subjected to external pressure, the supporting device acts on the electronic equipment to improve the pressure resistance of the electronic equipment, and the flatness of the whole machine is improved.
Preferably, the first measuring means comprises a strain gauge.
Preferably, the strain gauge is fixed to the housing by adhesion.
Preferably, the pressure mechanism comprises a thimble.
Preferably, the surface of the thimble, which is in contact with the shell, is provided with a protective pad.
Preferably, the second measuring mechanism includes a bracket mounted on one side of the driving mechanism facing the housing and a pressure sensor mounted on the bracket, one side of the pressure sensor is fixedly connected with the bracket, and the other side of the pressure sensor is fixedly connected with the pressure mechanism.
Preferably, the driving mechanism comprises a motor fixing plate, a motor and a transmission assembly, wherein the motor fixing plate is fixedly installed on one side of the main board facing the shell, the motor is fixedly installed on one side of the motor fixing plate facing the shell, one end of the transmission assembly is fixedly connected with the motor, and the other end of the transmission assembly is fixedly connected with the second measuring mechanism.
Preferably, the transmission assembly comprises a lead screw nut assembly.
Preferably, the screw nut assembly is connected with the motor through a coupling.
Preferably, the screw nut assembly and the second measuring mechanism are fixed through screws.
Drawings
Fig. 1 is a schematic mechanism diagram of a supporting device in an electronic apparatus according to the present invention;
fig. 2 is a schematic diagram of the stress on the housing of the electronic device according to the present invention.
Icon:
1-a shell; 2-a first measuring mechanism; 3-a pressure mechanism; 4-a drive mechanism; 41-motor fixing plate; 42-a motor; 43-a transmission assembly; 5-a second measuring mechanism; 51-a pressure sensor; 52-a scaffold; 6-coupler.
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, the present invention provides an electronic device, including a main board, a housing 1, and at least one supporting device disposed between the main board and the housing 1 for balancing an external pressure applied to the electronic device, wherein each supporting device includes:
the first measuring mechanism 2 is arranged on the surface of one side, facing the main board, of the shell 1 and is used for measuring the deformation of the shell 1 after being subjected to external pressure;
the pressure mechanism 3 is arranged on one side of the main board facing the shell 1 and is used for applying acting force opposite to the direction of the external pressure to the shell 1;
the driving mechanism 4 is used for driving the pressure mechanism 3 to act so as to adjust the acting force exerted on the shell 1 by the pressure mechanism 3, and one end of the driving mechanism 4 is fixedly connected with the main board;
a second measuring mechanism 5 which is arranged between the pressure mechanism 3 and the driving mechanism 4 and is used for measuring the current pressure of the pressure mechanism 3;
and the control mechanism is in signal connection with the first measuring mechanism 2, the second measuring mechanism 5 and the driving mechanism 4, and adjusts the driving mechanism 4 to move towards or away from the shell 1 according to data measured by the first measuring mechanism 2 and the second measuring mechanism 5.
The electronic equipment comprises a mainboard, a shell 1 and at least one supporting device arranged between the mainboard and the shell 1, wherein the supporting device is used for balancing the external pressure on the electronic equipment, the external pressure comprises the pressure on the whole machine in the soft-pressure test process, the pressure on the electronic equipment in the use process and the like, the supporting device comprises a first measuring mechanism 2, a pressure mechanism 3, a driving mechanism 4, a second measuring mechanism 5 and a control mechanism, the first measuring mechanism 2 is arranged on the surface of one side of the shell 1, which faces the mainboard, the driving mechanism 4 is fixedly arranged on the mainboard, the second measuring mechanism 5 is arranged on one side, which faces the shell 1, of the driving mechanism 4, the pressure mechanism 3 is arranged on one side, which faces the shell 1, of the second measuring mechanism 5 and the driving mechanism 4 are in signal connection; the working process of the supporting device is as follows: when the first measuring mechanism 2 measures that the shell 1 is subjected to external pressure, a stress magnitude signal is transmitted to the control mechanism, the control mechanism controls the driving mechanism 4 to act according to the stress magnitude signal, the driving mechanism 4 acts to drive the pressure mechanism 3 to apply acting force to the shell 1, at the moment, the second measuring mechanism 5 measures the magnitude of the acting force applied by the pressure mechanism 3 and feeds the magnitude back to the control mechanism, the control mechanism adjusts the driving mechanism 4 to further adjust the magnitude of the acting force applied by the pressure mechanism 3, the supporting device counteracts the external pressure by applying the acting force opposite to the direction of the external pressure applied by the shell 1 to the shell 1, and therefore the flatness of the whole machine is improved. After the supporting device is additionally arranged in the electronic equipment, after the electronic equipment is subjected to soft pressure test or is subjected to external pressure, the supporting device acts on the electronic equipment to improve the pressure resistance of the electronic equipment, and the flatness of the whole machine is improved.
Specifically, the first measurement mechanism 2 includes a strain gauge.
When the front and back surfaces of the electronic equipment are subjected to vertical pressure, the shell 1 can deform, and when the deformation occurs, the flatness of the whole electronic equipment is out of tolerance. The strain gauge is disposed on the inner surface of the housing 1 to detect the deformation size of the housing 1, and the elastic deformation occurs at this time, and the force applied to the housing 1 at this time can be known from the elastic modulus of the housing 1 itself.
The formula for calculating the magnitude of the pressure applied to the housing 1 is as follows:
the magnitude of the pressure applied to the case 1 is equal to the elastic modulus of the case 1 × the strain measured by the strain gauge.
Specifically, the strain gauge is fixed to the housing 1 by adhesion.
The strain gauge is directly fixed on the surface of one side, facing the main board, of the shell 1 in an adhesion mode, and the fixing mode is simple.
In particular, the pressure mechanism 3 comprises ejector pins.
Specifically, the surface of the thimble contacting the shell 1 is provided with a protection pad.
The pressure mechanism 3 comprises a thimble, the thimble is provided with a protective pad on the surface contacting with the shell 1 to prevent the shell 1 from being worn, and the protective pad can be a silica gel protective pad.
Specifically, as shown in fig. 1, the second measuring mechanism 5 includes a bracket 52 mounted on one side of the driving mechanism 4 facing the housing 1 and a pressure sensor 51 mounted on the bracket 52, and one side of the pressure sensor 51 is fixedly connected to the bracket 52 and the other side is fixedly connected to the pressure mechanism 3.
The second measuring mechanism 5 comprises a pressure sensor 51 and a bracket 52, the pressure of the pressure mechanism 3 is measured by the pressure sensor 51, so that the pressure applied to the shell 1 by the pressure mechanism 3 is obtained, the magnitude of the pressure is fed back to the control mechanism, the control mechanism compares the magnitude of the pressure with the magnitude of the external pressure applied to the shell 1, and the magnitude of the pressure applied by the pressure mechanism 3 is adjusted.
Specifically, as shown in fig. 1, the driving mechanism 4 includes a motor fixing plate 41, a motor 42, and a transmission assembly 43, wherein the motor fixing plate 41 is fixedly installed on one side of the main board facing the housing 1, the motor 42 is fixedly installed on one side of the motor fixing plate 41 facing the housing 1, one end of the transmission assembly 43 is fixedly connected with the motor 42, and the other end is fixedly connected with the second measuring mechanism 5.
The driving mechanism 4 comprises a motor fixing plate 41, a motor 42 and a transmission assembly 43, the motor 42 is mounted on the motor fixing plate 41, the motor fixing plate 41 is fixedly mounted on the main board, the motor 42 is connected with the second measuring mechanism 5 through the transmission assembly 43, and the motor 42 controls the distance between the second measuring mechanism 5 and the shell 1 so as to control the pressure applied to the shell 1 by the pressure mechanism 3.
Specifically, the transmission assembly 43 includes a lead screw nut assembly.
Specifically, the screw nut assembly is connected with the motor 42 through the coupling 6.
Specifically, the screw nut assembly and the second measuring mechanism 5 are fixed by screws.
The transmission assembly 43 comprises a screw nut assembly, the screw nut assembly is connected with the motor 42 through the coupler 6, the screw nut assembly is fixed with the second measuring mechanism 5 through screws, when the motor 42 rotates, the nut moves towards the direction far away from the motor 42 to drive the second measuring mechanism 5 to move towards the direction close to the shell 1, and when the motor 42 rotates reversely, the nut moves towards the direction close to the motor 42 to drive the second measuring mechanism 5 to move towards the direction far away from the shell 1.
As shown in fig. 2, when the external pressure deforms the housing 1, in the supporting device, the external pressure F1 acts on the housing 1, the housing 1 deforms, the strain gauge monitors the deformation amount of the housing 1 in real time, the thimble moves upward or downward to apply an acting force F2 to the housing 1 to counteract or relieve the deformation of the housing 1, the pressure sensor 51 monitors the acting force F2 applied by the thimble, and the control device adjusts the height change of the thimble according to the external pressure F1 monitored by the strain gauge, so as to enhance the pressure resistance of the housing 1, and to make the flatness of the housing 1 better.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An electronic device, comprising a main board, a housing, and at least one supporting device disposed between the main board and the housing for balancing an external pressure applied to the electronic device, wherein each supporting device comprises:
the first measuring mechanism is arranged on the surface of one side, facing the main board, of the shell and used for measuring the deformation of the shell after the shell is subjected to external pressure;
the pressure mechanism is arranged on one side of the main board facing the shell and used for applying acting force opposite to the direction of the external pressure to the shell;
the driving mechanism is used for driving the pressure mechanism to act so as to adjust the acting force exerted on the shell by the pressure mechanism, and one end of the driving mechanism is fixedly connected with the main board;
the second measuring mechanism is arranged between the pressure mechanism and the driving mechanism and is used for measuring the current pressure of the pressure mechanism;
and the control mechanism is in signal connection with the first measuring mechanism, the second measuring mechanism and the driving mechanism, and adjusts the driving mechanism to move towards or away from the shell according to data measured by the first measuring mechanism and the second measuring mechanism.
2. The electronic device of claim 1, wherein the first measurement mechanism comprises a strain gauge.
3. The electronic device of claim 2, wherein the strain gage is adhesively secured to the housing.
4. The electronic device of claim 1, wherein the pressure mechanism comprises a thimble.
5. The electronic device of claim 4, wherein a surface of the ejector pin contacting the housing is provided with a protective pad.
6. The electronic device of claim 1, wherein the second measuring mechanism comprises a bracket mounted on a side of the driving mechanism facing the housing and a pressure sensor mounted on the bracket, wherein one side of the pressure sensor is fixedly connected to the bracket and the other side of the pressure sensor is fixedly connected to the pressure mechanism.
7. The electronic device according to claim 1, wherein the driving mechanism includes a motor fixing plate, a motor, and a transmission assembly, wherein the motor fixing plate is fixedly mounted on a side of the main board facing the housing, the motor is fixedly mounted on a side of the motor fixing plate facing the housing, and one end of the transmission assembly is fixedly connected to the motor and the other end is fixedly connected to the second measuring mechanism.
8. The electronic device of claim 7, wherein the transmission assembly comprises a lead screw nut assembly.
9. The electronic device of claim 8, wherein the lead screw nut assembly is coupled to the motor via a coupling.
10. The electronic device of claim 8, wherein the lead screw nut assembly and the second measuring mechanism are fixed by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347678.XA CN110082205B (en) | 2019-04-28 | 2019-04-28 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347678.XA CN110082205B (en) | 2019-04-28 | 2019-04-28 | Electronic equipment |
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| Publication Number | Publication Date |
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| CN110082205A CN110082205A (en) | 2019-08-02 |
| CN110082205B true CN110082205B (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910347678.XA Active CN110082205B (en) | 2019-04-28 | 2019-04-28 | Electronic equipment |
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| CN (1) | CN110082205B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043747A1 (en) * | 1999-01-22 | 2000-07-27 | Cfi Ceramics For Industry Gmbh & Co. Kg | Method and device for proof testing valves |
| CN203083883U (en) * | 2013-03-13 | 2013-07-24 | 深州市工程塑料有限公司 | Compressive deformation tester |
| CN206260012U (en) * | 2016-11-30 | 2017-06-16 | 重庆哈迪斯科技有限公司 | A kind of soft pressure testing machine of mobile phone |
| CN206557003U (en) * | 2017-01-20 | 2017-10-13 | 东莞铭匠包装制品有限公司 | A kind of weather-proof simulating test device of packing box resistance to compression |
| CN107314940A (en) * | 2017-08-30 | 2017-11-03 | 重庆大广宇科技有限公司 | It is a kind of to be used for the device that testing mobile phone resists soft pressure performance |
| CN107702994A (en) * | 2017-10-31 | 2018-02-16 | 芜湖辉灿电子科技有限公司 | Phone housing resistance to compression detects experimental rig |
| CN207248630U (en) * | 2017-09-14 | 2018-04-17 | 杭州华翰仪器有限公司 | A kind of cardboard compression test instrument |
| CN207396221U (en) * | 2017-11-22 | 2018-05-22 | 重庆中检工程质量检测有限公司 | A kind of in-situ compressor |
| CN208653931U (en) * | 2018-07-05 | 2019-03-26 | 东莞市华谊创鸿试验设备有限公司 | A kind of precision pressure experimental provision |
-
2019
- 2019-04-28 CN CN201910347678.XA patent/CN110082205B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043747A1 (en) * | 1999-01-22 | 2000-07-27 | Cfi Ceramics For Industry Gmbh & Co. Kg | Method and device for proof testing valves |
| CN203083883U (en) * | 2013-03-13 | 2013-07-24 | 深州市工程塑料有限公司 | Compressive deformation tester |
| CN206260012U (en) * | 2016-11-30 | 2017-06-16 | 重庆哈迪斯科技有限公司 | A kind of soft pressure testing machine of mobile phone |
| CN206557003U (en) * | 2017-01-20 | 2017-10-13 | 东莞铭匠包装制品有限公司 | A kind of weather-proof simulating test device of packing box resistance to compression |
| CN107314940A (en) * | 2017-08-30 | 2017-11-03 | 重庆大广宇科技有限公司 | It is a kind of to be used for the device that testing mobile phone resists soft pressure performance |
| CN207248630U (en) * | 2017-09-14 | 2018-04-17 | 杭州华翰仪器有限公司 | A kind of cardboard compression test instrument |
| CN107702994A (en) * | 2017-10-31 | 2018-02-16 | 芜湖辉灿电子科技有限公司 | Phone housing resistance to compression detects experimental rig |
| CN207396221U (en) * | 2017-11-22 | 2018-05-22 | 重庆中检工程质量检测有限公司 | A kind of in-situ compressor |
| CN208653931U (en) * | 2018-07-05 | 2019-03-26 | 东莞市华谊创鸿试验设备有限公司 | A kind of precision pressure experimental provision |
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| CN110082205A (en) | 2019-08-02 |
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