CN217156412U - High-stability automatic frequency-following type multi-ultrasonic-wave channel switching output structure - Google Patents
High-stability automatic frequency-following type multi-ultrasonic-wave channel switching output structure Download PDFInfo
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- CN217156412U CN217156412U CN202123011795.0U CN202123011795U CN217156412U CN 217156412 U CN217156412 U CN 217156412U CN 202123011795 U CN202123011795 U CN 202123011795U CN 217156412 U CN217156412 U CN 217156412U
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Abstract
The utility model discloses many ultrasonic wave channels of high stable automatic formula of chasing after frequently switch over output structure, including the output, the output comprises a plurality of triplexes that correspond the setting, and a plurality of triplexes are formed by a plurality of half-wave ultrasonic wave triplexes and a plurality of full-wave ultrasonic wave triplexes combination; the output part is communicated with the RF output distributor, the RF output distributor is controlled by the ultrasonic power control circuit to be output by the corresponding conveying part, and the ultrasonic power control circuit is correspondingly matched with the automatic frequency tracking circuit, so that an ultrasonic output part control structure capable of automatically tracking the frequency and stably switching the ultrasonic power is formed.
Description
Technical Field
The utility model relates to a detection technology and check out test set, it is concrete, its show a high stable automatic formula of chasing after many ultrasonic wave passageways switch output structure frequently.
Background
In the technical field of ultrasonic detection, ultrasonic welding equipment is generally used for testing corresponding to a testing device, the ultrasonic welding equipment used at the present stage comprises an ultrasonic three-connection group, the ultrasonic three-connection group comprises a half-wave ultrasonic three-connection group and a full-wave ultrasonic three-connection group, and the two different ultrasonic three-connection groups need to be tested corresponding to different testing devices when being tested;
the ultrasonic welding equipment used at the present stage is an ultrasonic three-connection group which is singly arranged, such as a single-wave or single-full-wave ultrasonic three-connection group, the single ultrasonic three-connection group is used for testing corresponding to a single testing device, when the test corresponding to different three-connection groups is carried out, the corresponding ultrasonic welding equipment needs to be configured, and the corresponding ultrasonic welding equipment needs to be controlled by an ultrasonic system; the system control of a plurality of ultrasonic welding equipment adopts independent setting, and the setting cost is high, and need correspond switching control system during the test, influences efficiency of software testing.
And a plurality of welding equipment are arranged independently, so that the production field is seriously occupied.
Therefore, it is necessary to provide a highly stable auto-frequency tracking type multi-ultrasonic-channel switching output structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a many ultrasonic wave channels of formula of chasing after frequently switch output structure is automatic to high stability.
The first technical scheme is as follows:
a high-stability automatic frequency-following type multi-ultrasonic-wave-channel switching output structure comprises an output part, wherein the output part is formed by a plurality of correspondingly arranged triple groups, and the triple groups are formed by combining a plurality of half-wave ultrasonic wave triple groups and a plurality of full-wave ultrasonic wave triple groups;
the output part is communicated with the RF output distributor, the RF output distributor is controlled by the ultrasonic power control circuit to be output by the corresponding conveying part, and the ultrasonic power control circuit is correspondingly matched with the automatic frequency tracking circuit, so that an ultrasonic output part control structure capable of automatically tracking the frequency and stably switching the ultrasonic power is formed.
Furthermore, the full-wave ultrasonic triple group comprises a full-wave transducer, a clamping fixing block connected to the left side and the right side of the full-wave triple group and a full-wave triple group resonance amplitude transformer connected to the clamping fixing block on the left side and the right side of the full-wave triple group, the number of the clamping fixing blocks on the left side and the right side of the full-wave triple group is two, and a full-wave welding head is fixedly clamped in the middle of the clamping fixing blocks.
Furthermore, the half-wave ultrasonic triple group comprises a half-wave transducer and a full-wave triple group clamping and fixing sleeve connected with the half-wave transducer, wherein a half-wave amplitude transformer is arranged in the half-wave triple group clamping and fixing sleeve, and a half-wave welding head is correspondingly arranged in the half-wave triple group clamping and fixing sleeve.
Furthermore, a plurality of full-wave ultrasonic wave triple groups and half-wave ultrasonic wave triple groups are combined to form an output part, so that an integrated ultrasonic wave output structure is formed.
Furthermore, the automatic frequency tracking circuit is correspondingly communicated with an I/O control interface.
Further, the ultrasonic power control circuit comprises a rectification filter module b for rectifying the alternating current a to output direct current, a control switch c for controlling the output power value, a signal inversion module d for inverting the high-frequency alternating current signal, and an RF converter e for converting the high-frequency high-voltage RF signal; the alternating current a sequentially passes through the ultrasonic power control circuit, and finally, the high-frequency and high-voltage RF signal is correspondingly output to the output part through the RF output distributor.
Further, the automatic frequency tracking circuit comprises an RF converter e, a current sampling and comparator i, a frequency sampling and comparator k and a phase sampling and comparator l, signals are respectively input into a voltage-controlled oscillator o, a low-pass filter n and a phase monitor m and are input into a frequency generation module g, and an automatic frequency tracking closed-loop phase-locked loop control structure is formed.
Compared with the prior art, the utility model discloses a combination of a plurality of ultrasonic waves trigeminy group forms the output, forms to reduce a plurality of ultrasonic equipment and sets up alone and occupy the huge high-efficient integrated form ultrasonic output structure in place, and through automatic chasing after frequently with the ultrasonic frequency control formula carry out the ultrasonic output control of output, form the automatic many ultrasonic wave channels of formula of chasing after frequently of high stability and switch over output structure.
Drawings
Fig. 1 is one of the structural schematic diagrams of the present invention.
Fig. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a fourth schematic structural diagram of the present invention.
Detailed Description
Example (b):
referring to fig. 1 to 4, the present embodiment shows a high-stability automatic frequency-tracking type multi-ultrasonic-channel switching output structure, which includes an output portion 100, where the output portion 100 is formed by a plurality of triplets correspondingly arranged, and the triplets are formed by combining a plurality of half-wave ultrasonic triplets and a plurality of full-wave ultrasonic triplets;
the output unit 100 is connected to an RF output distributor 12, the RF output distributor 12 is controlled by an ultrasonic power control circuit 11 so as to correspond to the output control of the transmission unit 100, and the ultrasonic power control circuit 11 is correspondingly matched with an automatic frequency tracking circuit 10, thereby forming an ultrasonic output unit control structure for automatic frequency tracking and stable switching of ultrasonic power.
The full-wave ultrasonic triple group comprises a full-wave transducer 1, a full-wave triple group left and right clamping fixed block 2 connected to the full-wave transducer 1 and a full-wave triple group resonance amplitude transformer 4 connected to the full-wave triple group left and right clamping fixed block 2, the number of the full-wave triple group left and right clamping fixed blocks 2 is two, and a full-wave welding head 3 is fixedly clamped in the middle of the full-wave triple group left and right clamping fixed blocks.
The half-wave ultrasonic triple group comprises a half-wave transducer 5 and a full-wave triple group clamping and fixing sleeve 6 connected to the half-wave transducer 5, wherein a half-wave amplitude transformer 7 is arranged in the half-wave triple group clamping and fixing sleeve 6, and a half-wave welding head 8 is correspondingly arranged in the half-wave triple group clamping and fixing sleeve 6.
The output part 100 is formed by combining a plurality of full-wave ultrasonic three-connection groups and half-wave ultrasonic three-connection groups to form an integrated ultrasonic output structure.
The automatic frequency tracking circuit 10 is correspondingly communicated with an I/O control interface 9.
External control signals are input into p after being controlled by I/0 of the I/O control interface 9, and integrated interactive control is realized.
The ultrasonic power control circuit comprises a rectifying and filtering module b for rectifying alternating current a to output direct current, a control switch c for controlling the output power value, a signal inversion module d for inverting a high-frequency alternating current signal, and an RF converter e for converting the high-frequency high-voltage RF signal; the alternating current a sequentially passes through the ultrasonic power control circuit, and finally, the high-frequency and high-voltage RF signal is correspondingly output to the output part through the RF output distributor.
The automatic frequency tracking circuit comprises an RF converter e, a sampled feedback voltage signal i, a feedback frequency signal k and a feedback phase signal l, wherein the signal l is respectively input into a voltage-controlled oscillator o, a low-pass filter n and a phase monitor m and is input into a frequency generation module g to form an automatic frequency tracking closed-loop phase-locked loop control structure.
Wherein, still include:
temperature protection control structure: the inversion module d is correspondingly provided with a temperature sensor h, and the temperature sensor h detects the temperature in real time to carry out the opening and closing structure of the temperature control type control switch c.
Overcurrent protection control structure: the output portion 100 is exposed to an excessive load such as: the welding head is contacted with the bottom die; short-circuiting the RF lines; when a welding workpiece is too thin, a large current signal can be generated on an RF wire, and an overcurrent trigger type switching value signal is formed by arranging a current sampling and comparator i to control the on and off of the controller of the operation switch c.
Overvoltage protection control structure: the output parameters of the output unit 100 are not set reasonably, for example, the welding amplitude is set to be larger, the welding speed is too fast, the material of the welding head or the bottom die is softer, a large feedback voltage is generated on the RF line, and the voltage sampling and comparator j is arranged to form an overvoltage trigger type switching value signal to control the on and off of the controller of the operation switch c.
Phase protection control structure: the output part 100 has an error that the phase difference angle between the voltage and the current becomes larger, and a phase sampling and comparator l is arranged to form a high phase difference trigger type switching value signal to control the on and off of the controller of the operation switch c.
In the frequency protection control structure, the output frequency of the output part 100 exceeds the rated frequency, and a frequency sampling and comparator k is arranged to form an over-frequency trigger type switching value signal to control the on and off of the controller of the operation switch c.
Compared with the prior art, this embodiment forms output unit through the combination of a plurality of ultrasonic triplets, forms and reduces a plurality of ultrasonic equipment and sets up alone and occupy the huge high-efficient integrated form ultrasonic output structure in place, and through automatic frequency tracking and the ultrasonic wave frequency control formula carry out the ultrasonic output control of output unit, form the many ultrasonic wave channels of high stable automatic frequency tracking formula and switch over output structure.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (5)
1. The utility model provides a many ultrasonic wave channels of formula of frequency pursuit switch output structure is frequently automatically to high stability which characterized in that: the ultrasonic wave;
the output part is communicated with the RF output distributor, the RF output distributor is controlled by the ultrasonic power control circuit to be output by the corresponding conveying part, and the ultrasonic power control circuit is correspondingly matched with the automatic frequency tracking circuit, so that an ultrasonic output part control structure for automatic frequency tracking and stable ultrasonic power switching is formed;
the ultrasonic power control circuit comprises a rectifying and filtering module b for rectifying alternating current a to output direct current, a control switch c for controlling the output power value, a signal inversion module d for inverting a high-frequency alternating current signal, and an RF converter e for converting the high-frequency high-voltage RF signal; the alternating current a sequentially passes through the ultrasonic power control circuit, and finally the high-frequency high-voltage RF signal is correspondingly output to the output part through the RF output distributor;
the automatic frequency tracking circuit comprises an RF converter e, a current sampling and comparator i, a frequency sampling and comparator k and a phase sampling and comparator l, wherein signals are respectively input into a voltage-controlled oscillator o, a low-pass filter n and a phase monitor m and are input into a frequency generation module g to form an automatic frequency tracking closed-loop phase-locked loop control structure.
2. The high-stability automatic frequency-tracking type multi-ultrasonic-channel switching output structure according to claim 1, wherein: the full-wave ultrasonic triple group comprises a full-wave transducer, a left clamping fixing block and a right clamping fixing block which are connected with the full-wave transducer, and a full-wave triple group resonance amplitude transformer which is connected with the left clamping fixing block and the right clamping fixing block of the full-wave triple group, the number of the left clamping fixing blocks and the right clamping fixing blocks of the full-wave triple group is two, and a full-wave welding head is clamped and fixed in the middle of the left clamping fixing block and the right clamping fixing blocks of the full-wave triple group.
3. The high-stability automatic frequency-tracking type multi-ultrasonic-channel switching output structure according to claim 2, wherein: the half-wave ultrasonic triple group comprises a half-wave transducer and a full-wave triple group clamping and fixing sleeve connected with the half-wave transducer, wherein a half-wave amplitude transformer is arranged in the half-wave triple group clamping and fixing sleeve, and a half-wave welding head is correspondingly arranged in the half-wave triple group clamping and fixing sleeve.
4. The high-stability automatic frequency-tracking type multi-ultrasonic-channel switching output structure according to claim 3, wherein: the full-wave ultrasonic three-connection group and the half-wave ultrasonic three-connection group are combined to form an output part, so that an integrated ultrasonic output structure is formed.
5. The high-stability automatic frequency-tracking type multi-ultrasonic-channel switching output structure according to claim 4, wherein: the automatic frequency tracking circuit is correspondingly communicated with an I/O control interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123011795.0U CN217156412U (en) | 2021-12-02 | 2021-12-02 | High-stability automatic frequency-following type multi-ultrasonic-wave channel switching output structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123011795.0U CN217156412U (en) | 2021-12-02 | 2021-12-02 | High-stability automatic frequency-following type multi-ultrasonic-wave channel switching output structure |
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| CN217156412U true CN217156412U (en) | 2022-08-09 |
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| CN202123011795.0U Active CN217156412U (en) | 2021-12-02 | 2021-12-02 | High-stability automatic frequency-following type multi-ultrasonic-wave channel switching output structure |
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2021
- 2021-12-02 CN CN202123011795.0U patent/CN217156412U/en active Active
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