CN114295480A - Energy-saving method for gold bonding wire tension testing equipment and tension testing equipment - Google Patents
Energy-saving method for gold bonding wire tension testing equipment and tension testing equipment Download PDFInfo
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Abstract
The invention relates to the technical field of Internet of things, in particular to an energy-saving method of a bonding gold wire tension test device and the tension test device, which comprise the following steps: acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value; determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power; acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity; adjusting the brightness of the lamp light according to the second weight coefficient; and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode. The method provided by the invention is used for controlling the working of equipment, the quantity of a product to be detected is determined through the detection value of the pressure sensor, and the illumination is adjusted through the brightness of the environment; and finally, the working mode is comprehensively adjusted, so that the energy-saving control is realized.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to an energy-saving method of a gold bonding wire tensile test device and the tensile test device.
Background
With the development of modern technologies, the demand of various intelligent products is increasing. The chip is used as the core of the brain of various intelligent products, and the development is more and more rapid.
In the fabrication process of the chip, the wires used to package the semiconductor correspond to the blood vessels of the chip. The gold bonding wire is a wire with gold content more than 99.99%, has the most stable performance, is used for connecting a chip and an external frame, is used as a conductor bridge, is one of main materials for packaging semiconductors and LEDs, has high reliability, and is mostly used in high-end and high-price products.
Gold bonding wire is extremely valuable, but its production process is also relatively complex. In the process of testing the tension of the gold bonding wire, the tension tester always keeps a normal working mode, so that the energy consumption of the equipment is higher. The existing energy-saving mode only enters a dormant state when not used, and no related technology exists for saving energy in the normal use process, and improvement is needed.
Disclosure of Invention
In view of at least one of the problems mentioned in the background art, embodiments of the present invention provide an energy saving method for a gold bonding wire tensile testing apparatus.
The embodiment of the invention is realized in such a way that an energy-saving method for a bonding gold wire tension testing device comprises the following steps:
acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value;
determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power;
acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity;
adjusting the brightness of the lamp light according to the second weight coefficient;
and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode.
The embodiment of the invention also provides tensile testing equipment, which comprises a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, the processor executes the steps of the energy-saving method of the tensile testing equipment of the gold bonding wire.
The method is used for controlling the operation of equipment, on one hand, the quantity of a measured product is determined through the detection value of a pressure sensor, and the power required by clamping the product is determined according to the determined quantity of the measured product; on the other hand, the illumination is adjusted by acquiring the ambient illumination brightness; and finally, comprehensively adjusting the working mode of the equipment, and realizing energy-saving control of each working link of the equipment.
Drawings
Fig. 1 is a flowchart of an energy saving method for a gold bonding wire tensile testing apparatus according to an embodiment of the present invention;
FIG. 2 is a block diagram showing an internal structure of the tensile testing apparatus according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of the present disclosure.
As shown in fig. 1, in an embodiment, an energy saving method for a gold bonding wire tensile testing apparatus is provided, which may specifically include the following steps:
acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value;
determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power;
acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity;
adjusting the brightness of the lamp light according to the second weight coefficient;
and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode.
In this embodiment, the pressure sensor is disposed at the bottom of the stage, and detects the pressure of the stage to determine the amount of the product placed on the stage, and determines the first weight coefficient according to the amount of the product.
In the embodiment, when the amount of the product is small, the probability of relative movement between the product and the product is small in the clamped state, and the clamping force required to be applied is small; when the product amount is large, the clamping force is sufficient, and the whole clamping is easy to be unstable due to the sliding dislocation between the products, so that the reliable clamping is realized by a large clamping force.
In this embodiment, the illumination intensity is adjusted according to the ambient light, so that the image acquisition device can acquire a clearer image, and an operator can observe the test condition conveniently.
In this embodiment, further, the working mode of the device is adjusted according to the first weight coefficient and the second weight coefficient, so that the device enters a corresponding power consumption mode, and the device can run as energy-saving as possible on the premise of completing a test task, thereby reducing energy consumption, reducing cost, and realizing intelligent control of production.
The method is used for controlling the operation of equipment, on one hand, the quantity of a measured product is determined through the detection value of a pressure sensor, and the power required by clamping the product is determined according to the determined quantity of the measured product; on the other hand, the illumination is adjusted by acquiring the ambient illumination brightness; and finally, comprehensively adjusting the working mode of the equipment, and realizing energy-saving control of each working link of the equipment.
In one embodiment of the present invention, the determining the first weighting factor according to the detection value includes:
judging whether the detection value is larger than a preset first pressure value or not, and if not, setting a first weight coefficient to be 0;
and if so, determining a first weight coefficient corresponding to the detection value according to a preset comparison table.
In this embodiment, can prevent through setting up first pressure value that the sensor from because of the drift of zero point that ambient condition leads to, prevent that equipment from starting by mistake, and first pressure value is less, can hardly test with so a small amount of products under the normal test state, so error signal and true test signal can very well be discerned to first pressure value. When the detection value is larger than the first pressure value, the fact that a product is placed on the device is judged, the corresponding volume can be determined according to the quality of the product (because the setting aims at a specific product, the corresponding relation between the quality and the volume can be obtained through analysis of historical data), and therefore the clamping driving power can be determined, and the clamping reliability caused by sliding dislocation between the product and the product can be prevented. The first weighting factor may be determined by historical data, a look-up table.
In one embodiment of the invention, the clamp drive power is determined by:
p1＝p0w1 2
wherein: p is a radical of1To clamp the drive power; p is a radical of0Is a preset value of clamping drive power; w is a1Is a first weight coefficient.
In this embodiment, the value range of the first weight coefficient is 0-1; setting p1＝p0w1 2And when the number of products is small, the obtained clamping driving power is small, and the conformity with the actual situation is higher.
In an embodiment of the present invention, the driving the clamp to clamp the tested product according to the determined clamping driving power includes the following steps:
driving the clamp to approach along the x direction at a preset speed;
increasing the driving power of the clamp at a constant speed;
acquiring motion information of the clamp at a first moment and a second moment;
determining a power increasing speed according to the change of the motion information of the clamp at the first moment and the second moment so that the driving power of the clamp is equal to the determined clamping driving power when the clamp reaches the clamping position;
the above steps are repeated to drive the movement of the gripper in the y-direction.
In this embodiment, the relationship between the increase in clamping power and the determined clamping power can be determined by general physical calculation, and since the position of the clamp on the device is relatively fixed, there is a corresponding increase in clamping power for each clamping power, so that when the clamp driving power is increased by the increase, the driving power is exactly equal to the determined clamping power when the clamp is moved to the clamping position. As a simple implementation mode, the method can be obtained by a table look-up mode. In this embodiment, the method further includes a step of obtaining the motion information of the clamp, where the motion information may be one or more of speed, position, or acceleration, and although the relative position of the clamp on the device is fixed, it is theoretically not necessary to obtain the motion information of the clamp again, but it cannot be guaranteed that the set speed can be maintained by each motion of the clamp under different working conditions, so the step of obtaining the motion information is added to correct the speed increase of the driving power in real time (for example, the corresponding power speed increase is found more accurately in the table lookup process).
In an embodiment of the present invention, the determining the second weight coefficient according to the acquired ambient light intensity includes the following steps:
judging whether the acquired ambient light intensity is smaller than a preset first brightness value or not, and if so, setting a second weight coefficient to be 1;
if not, judging whether the acquired ambient light intensity is greater than a preset second brightness value, if so, setting a second weight coefficient to be 0, and if not, setting the second weight coefficient to be 0.5.
In this embodiment, by setting the first brightness value and the second brightness value, the device can operate in at least three brightness states to meet different brightness requirements, and reduce power consumption required for maintaining brightness.
In an embodiment of the present invention, the adjusting the brightness of the lamp light according to the second weighting factor includes the following steps:
and multiplying the output voltage preset value of the illumination by the determined second weight coefficient and outputting to adjust the brightness of the lamp light.
In the embodiment, the voltage output of the illumination is changed through the second weight coefficient, so that the stepless adjustment of the brightness is realized, and the adaptability is stronger.
In an embodiment of the present invention, the determining the device operation mode according to the first weight coefficient and the second weight coefficient includes the following steps:
calculating a weighted sum of the first weight coefficient and the second weight coefficient;
if the sum of the two is less than 0.2, setting the equipment to be in a low power consumption mode;
if the sum of the two is more than or equal to 0.2 and less than or equal to 0.8, setting the equipment to be in a medium power consumption mode;
if the sum of the two is greater than 0.8, the device is set to a high power mode.
In this embodiment, different weights are assigned to the first weight coefficient and the second weight coefficient according to the ratio of the maximum clamping driving power to the maximum illumination power corresponding to the first weight coefficient and the second weight coefficient, for example, the maximum clamping driving power is 15KW, the maximum illumination power is 5KW, the weight coefficients of the first weight coefficient and the second weight coefficient are 0.75 and 0.25, respectively, the weighted sum S of the first weight coefficient and the second weight coefficient is 0.75 a + 0.25B, where a is the first weight coefficient, B is the second weight coefficient, and A, B has a value ranging from 0 to 1. The present embodiment gives a correspondence relationship of the weighted sum with each power consumption mode.
In one embodiment of the invention, for the low power consumption mode, the standby voltage is set to be 0.2 times of the preset voltage value;
for the medium power consumption mode, setting the initial value of the standby voltage to be 0.5 times of the preset voltage value, and gradually reducing the initial value to be 0.2 times of the preset voltage value according to the standby duration;
for the high power consumption mode, the standby voltage is set to be 0.8 times of the preset voltage value.
In this embodiment, different standby voltages are set for different power consumption modes, which is not only convenient for waking up the device, but also achieves the purpose of saving energy. Wherein, for the medium power consumption mode, the standby voltage is set to be gradually reduced along with the waiting time, so as to further reduce the standby power consumption.
In an embodiment of the present invention, the energy saving method for the gold bonding wire tensile testing apparatus further includes the following steps:
setting the data acquisition frequency in a standby state to be 0.25 times of a preset value for a low power consumption mode;
for the medium power consumption mode, setting the initial value of the data acquisition frequency in the standby state to be 0.9 times of the preset value, and gradually reducing the initial value to be 0.25 times of the preset value according to the standby time;
and for the high power consumption mode, setting the data acquisition frequency in the standby state to be 0.9 times of the preset value.
In this embodiment, the test device needs to communicate with various sensing devices, control systems or other devices, so as to acquire data in a standby state, the acquisition frequency under different power consumptions is also set, so as to reduce the data acquisition and processing amount and save energy consumption.
Fig. 2 shows an internal structure of the tensile testing apparatus in one embodiment. As shown in fig. 2, the tensile testing apparatus includes a processor, a memory, a network interface, an input device and a display screen connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The nonvolatile storage medium of the tensile testing equipment stores an operating system and also stores a computer program, and when the computer program is executed by a processor, the processor can realize the energy-saving method of the gold bonding wire tensile testing equipment provided by the embodiment of the invention. The internal memory may also store a computer program, and when the computer program is executed by the processor, the computer program may enable the processor to execute the method for saving energy of the apparatus for testing gold wire tensile force according to the embodiment of the present invention. The display screen of the tensile testing equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the tensile testing equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the tensile testing equipment, an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the configuration shown in figure 2 is a block diagram of only a portion of the configuration associated with the inventive arrangements and does not constitute a limitation on the tensile testing apparatus to which the inventive arrangements are applied, and that a particular tensile testing apparatus may include more or less components than shown in the figures, or some components in combination, or have a different arrangement of components.
In one embodiment, a tensile testing apparatus is proposed, the tensile testing apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value;
determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power;
acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity;
adjusting the brightness of the lamp light according to the second weight coefficient;
and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which, when executed by a processor, causes the processor to perform the steps of:
acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value;
determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power;
acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity;
adjusting the brightness of the lamp light according to the second weight coefficient;
and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An energy-saving method for a bonding gold wire tension test device is characterized by comprising the following steps:
acquiring a detection value of a pressure sensor, and determining a first weight coefficient according to the detection value;
determining the clamping driving power according to the first weight coefficient, and driving a clamp to clamp a tested product according to the determined clamping driving power;
acquiring the ambient light intensity, and determining a second weight coefficient according to the acquired ambient light intensity;
adjusting the brightness of the lamp light according to the second weight coefficient;
and determining the working mode of the equipment according to the first weight coefficient and the second weight coefficient, wherein the working mode comprises a high power consumption mode, a medium power consumption mode and a low power consumption mode.
2. The energy-saving method for gold bonding wire tensile testing equipment according to claim 1, wherein the determining the first weight coefficient according to the detection value comprises the following steps:
judging whether the detection value is larger than a preset first pressure value or not, and if not, setting a first weight coefficient to be 0;
and if so, determining a first weight coefficient corresponding to the detection value according to a preset comparison table.
3. The energy saving method for gold bond wire tensile test equipment according to claim 1, wherein the clamping driving power is determined by the following formula:
p1＝p0w1 2
wherein: p is a radical of1To clamp the drive power; p is a radical of0Is a preset value of clamping drive power; w is a1Is a first weight coefficient.
4. The energy-saving method for gold bonding wire tensile testing equipment according to claim 2 or 3, wherein the step of driving the clamp to clamp the tested product according to the determined clamping driving power comprises the following steps:
driving the clamp to approach along the x direction at a preset speed;
increasing the driving power of the clamp at a constant speed;
acquiring motion information of the clamp at a first moment and a second moment;
determining a power increasing speed according to the change of the motion information of the clamp at the first moment and the second moment so that the driving power of the clamp is equal to the determined clamping driving power when the clamp reaches the clamping position;
the above steps are repeated to drive the movement of the gripper in the y-direction.
5. The energy saving method for gold bonding wire tensile testing equipment according to claim 1, wherein the determining the second weight coefficient according to the acquired ambient light intensity comprises the following steps:
judging whether the acquired ambient light intensity is smaller than a preset first brightness value or not, and if so, setting a second weight coefficient to be 1;
if not, judging whether the acquired ambient light intensity is greater than a preset second brightness value, if so, setting a second weight coefficient to be 0, and if not, setting the second weight coefficient to be 0.5.
6. The energy-saving method for gold bonding wire tensile testing equipment according to claim 1, wherein the adjusting of the light brightness according to the second weight coefficient comprises the following steps:
and multiplying the output voltage preset value of the illumination by the determined second weight coefficient and outputting to adjust the brightness of the lamp light.
7. The energy saving method for the gold bonding wire tensile testing equipment according to claim 1, wherein the determining the equipment working mode according to the first weight coefficient and the second weight coefficient comprises the following steps:
calculating a weighted sum of the first weight coefficient and the second weight coefficient;
if the sum of the two is less than 0.2, setting the equipment to be in a low power consumption mode;
if the sum of the two is more than or equal to 0.2 and less than or equal to 0.8, setting the equipment to be in a medium power consumption mode;
if the sum of the two is greater than 0.8, the device is set to a high power mode.
8. The energy saving method for gold bonding wire tensile test equipment according to claim 7,
for the low power consumption mode, setting the standby voltage to be 0.2 times of the preset voltage value;
for the medium power consumption mode, setting the initial value of the standby voltage to be 0.5 times of the preset voltage value, and gradually reducing the initial value to be 0.2 times of the preset voltage value according to the standby duration;
for the high power consumption mode, the standby voltage is set to be 0.8 times of the preset voltage value.
9. The energy saving method for gold bonding wire tensile testing equipment according to claim 7, wherein the energy saving method for gold bonding wire tensile testing equipment further comprises the following steps:
setting the data acquisition frequency in a standby state to be 0.25 times of a preset value for a low power consumption mode;
for the medium power consumption mode, setting the initial value of the data acquisition frequency in the standby state to be 0.9 times of the preset value, and gradually reducing the initial value to be 0.25 times of the preset value according to the standby time;
and for the high power consumption mode, setting the data acquisition frequency in the standby state to be 0.9 times of the preset value.
10. A tensile testing apparatus comprising a memory and a processor, the memory having stored therein a computer program that, when executed by the processor, causes the processor to perform the steps of the gold bonding wire tensile testing apparatus energy saving method of any one of claims 1 to 9.
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| CN114754598A (en) * | 2022-06-14 | 2022-07-15 | 深圳中宝新材科技有限公司 | Method and device for reducing power consumption of gold bonding wire production line imaging system |
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