CN215219135U - Automatic testing device of high-frequency current sensor - Google Patents
Automatic testing device of high-frequency current sensor Download PDFInfo
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- CN215219135U CN215219135U CN202121603976.XU CN202121603976U CN215219135U CN 215219135 U CN215219135 U CN 215219135U CN 202121603976 U CN202121603976 U CN 202121603976U CN 215219135 U CN215219135 U CN 215219135U
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Abstract
The utility model discloses an automatic testing device of a high-frequency current sensor, belonging to the technical field of high-frequency current sensor testing; the high-frequency current transmission device comprises a host case, a high-frequency current transmission rod, a display, a bar code gun and a printer; the high-frequency current sensor is clamped on the high-frequency current transmission rod, the output ends of the high-frequency current sensor and the bar code gun are connected with the input end of the host case, and the output end of the host case is connected with the printer and the display; the utility model discloses can carry out quick, automatic detection to high frequency current sensor to show and print the test result, the production line of being convenient for carries out batch production to high frequency current sensor, and pairs fast.
Description
Technical Field
The utility model relates to a high frequency current sensor's automatic testing arrangement belongs to high frequency current sensor test technical field.
Background
The high-frequency current sensor hfct (high frequency current transducer) is a sensor for measuring a high-frequency current signal. In the production and manufacturing process, the high-frequency current sensor is easy to cause the conditions of enameled wire circuit breaking, ground-touching short circuit, insufficient welding, poor contact and the like due to improper operation, thereby forming waste products and defective products. The high-frequency current sensor production line needs a certain device to inspect the defects.
Due to one of the raw materials of the high-frequency current sensor: ferrite, different manufacturers, different batches, even different individuals in the same batch have certain discreteness, and the performance of a final product can be influenced. In addition, the enameled wire in the high-frequency current sensor is wound by hand, and the winding tightness and turn-to-turn distance of different workers are different. The two points can lead to the final high-frequency current sensor finished product, and the performance has a certain range of discreteness. Therefore, in addition to defective products, the production line also needs to classify and pair the high-frequency current sensors according to performance indexes.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a high frequency current sensor's automatic testing arrangement, it can carry out fast to high frequency current sensor, automatic detection to show and print the test result, the production line batch production high frequency current sensor of being convenient for, and pair fast.
The utility model adopts the technical proposal that: an automatic testing device of a high-frequency current sensor is designed, which comprises a host case, a high-frequency current transmission rod and a printer; the high-frequency current sensor is clamped on the high-frequency current transmission rod, so that a test signal passes through the center of the tested high-frequency current sensor to ensure the best test effect;
wherein, a high-frequency small signal amplifying module, a high-speed ADC module, a main control module, a programmable high-frequency signal generating module and a power module are arranged in the host machine case, the power module is respectively and electrically connected with the high-frequency small signal amplifying module, the high-speed ADC module, the main control module and the programmable high-frequency signal generating module, the power module converts alternating current to 220V direct current to supply power for other modules in the host machine case, the high-frequency small signal amplifying module is respectively connected with the output end of the high-frequency current sensor and the high-speed ADC module, the main control module is respectively connected with the high-speed ADC module, the programmable high-frequency signal generating module and a printer, the programmable high-frequency signal generating module is connected with a high-frequency current transmission rod, the programmable high-frequency signal generating module outputs sine waves with determined amplitude and determined frequency according to the instruction of the main control module, so that a test signal passes through the center of the high-frequency current sensor to be tested, the high-frequency current sensor comprises a high-frequency small signal amplification module, a high-speed ADC module and a main control module, wherein a high-frequency current signal obtained by measuring the high-frequency current sensor sequentially passes through the high-frequency small signal amplification module, the high-speed ADC module and the main control module, and then a test result is printed by a printer, the high-frequency small signal amplification module amplifies an output signal of a high-frequency current sensor (HFCT) to be measured to an amplitude value convenient to collect, the high-speed ADC module performs analog-to-digital conversion on the amplified signal and sends the signal to the main control module for analysis and processing, and the main control module is used for analyzing and controlling display of the output signal.
Furthermore, the high-frequency current sensors produced by the production line are provided with identification codes, so that the test device also comprises scanning equipment in the design, the output end of the scanning equipment is connected with the input end of the host case, and when the test device is used, the scanning equipment scans the identification codes carried by the high-frequency current sensors to be tested, so that the test process of the high-frequency current sensors is started, and the uniqueness of test records is ensured.
Furthermore, in order to more conveniently, intuitively and quickly check the test data of the tested high-frequency current sensor, the test device also comprises a display in the design, wherein the input end of the display is connected with the output end of the host case to display the test result, the frequency response curve and the grade of the tested high-frequency current sensor.
More specifically, the scanning device is a bar code gun, and the identification code of the high-frequency current sensor produced by the production line is a bar code, and the bar code and the identification code are used in cooperation.
The utility model provides a pair of high frequency current sensor's automatic testing arrangement's test flow or method do:
clamping the high-frequency current sensor to be measured on the high-frequency current transmission rod, and connecting the output end of the high-frequency current sensor to be measured with the host case;
scanning a bar code on the high-frequency current sensor to be tested by using a bar code gun to start the testing device for testing;
the programmable high-frequency signal generation module outputs sine waves with determined amplitude and frequency according to instructions of the main control module, and particularly controls the programmable high-frequency signal generation module to generate a series of standard test signals (5V/10V, 1 MHz-50 MHz, sine waves)
The high-frequency current transmission rod is provided with a test signal which passes through and is detected by the high-frequency current sensor to be detected;
after the output signal of the high-frequency current sensor to be measured is sequentially subjected to signal amplification through the high-frequency small signal amplification module and analog-to-digital conversion through the high-speed ADC module, the main control module reads the data of the high-speed ADC module, analyzes and processes the data and displays a waveform on a display screen; the main control module calculates the effective power and gain of the measured high-frequency current sensor, draws a power curve of each frequency point on a screen, calculates which grade standard the measured high-frequency current sensor corresponds to, and displays the grade on the screen; if the available power is below the threshold, the product is a defective product.
And the main control module controls the printer to print the test result and pastes the test result to the corresponding high-frequency current sensor to be tested.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can detect out because in the manufacturing process, high frequency current sensor causes the enameled wire open circuit because of misoperation, bumps ground short circuit, rosin joint, waste product and the substandard product that the condition such as bad contact formed. The high-frequency current sensor production line can be helped to classify and pair the high-frequency current sensors according to performance indexes.
The utility model discloses a carry out quick, automatic detection to high frequency current sensor to show and print the test result, so that production line batch production high frequency current sensor to pair its quick grading, improved production efficiency, the quality of accurate control product avoids the wastrel to flow into market, and whole testing arrangement is succinct practical, and economic benefits is showing, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic diagram of each module in the host case of the present invention.
Fig. 3 is the assembly schematic diagram of the host case, the high-frequency current transmission rod and the high-frequency current sensor of the present invention.
In the figure: 1-a host case, 2-a high-frequency current transmission rod, 3-a printer, 4-a display, 5-a bar code gun and 6-a high-frequency current sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-3: an automatic testing device of a high-frequency current sensor comprises a host case 1, a high-frequency current transmission rod 2, a printer 3, a display 4 and a bar code gun 5; the high-frequency current transmission rod 2, the printer 3 and the display 4 are respectively and electrically connected to the output end of the host case 1, the high-frequency current sensor 6 is clamped on the high-frequency current transmission rod 2, and the output ends of the high-frequency current sensor 6 and the bar code gun 5 are connected with the input end of the host case 1.
The main machine case 1 is internally provided with a main control module, a programmable high-frequency signal generation module, a high-frequency small signal amplification module, a high-speed ADC module and a power supply module, the power supply module is electrically connected with the high-frequency small signal amplification module, the high-speed ADC module, the main control module and the programmable high-frequency signal generation module, the high-frequency small signal amplification module is respectively connected with the output end of the high-frequency current sensor 6 and the high-speed ADC module, the main control module is respectively connected with the high-speed ADC module, the programmable high-frequency signal generation module, the display 4 and the printer 3, the programmable high-frequency signal generation module is connected with the high-frequency current transmission rod 2, and a high-frequency current signal obtained by measuring by the high-frequency current sensor 6 sequentially passes through the high-frequency small signal amplification module, the high-speed ADC module and the main control module, is displayed on the display 4 and is printed by the printer 3 to obtain a test result.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The utility model provides an automatic testing arrangement of high frequency current sensor which characterized in that: comprises a host case (1), a high-frequency current transmission rod (2) and a printer (3); the high-frequency current sensor (6) is clamped on the high-frequency current transmission rod (2), the output end of the high-frequency current sensor is connected with the input end of the host case (1), and the output end of the host case (1) is connected with the printer (3);
the high-frequency test device is characterized in that a main control module, a programmable high-frequency signal generation module, a high-frequency small signal amplification module, a high-speed ADC module and a power module are arranged in the host case (1), the power module is electrically connected with the high-frequency small signal amplification module, the high-frequency ADC module, the main control module and the programmable high-frequency signal generation module, the high-frequency small signal amplification module is respectively connected with the output end of a high-frequency current sensor (6) and the high-frequency ADC module, the main control module is respectively connected with the high-frequency ADC module, the programmable high-frequency signal generation module and a printer (3), the programmable high-frequency signal generation module is connected with a high-frequency current transmission rod (2), and a high-frequency current signal obtained by measuring through the high-frequency current sensor (6) sequentially passes through the high-frequency small signal amplification module, the high-frequency ADC module and the main control module and then is printed with a test result through the printer (3).
2. The automatic test device for a high-frequency current sensor according to claim 1, characterized in that: the scanning device is characterized by further comprising a scanning device, wherein the output end of the scanning device is connected with the input end of the host machine case (1).
3. An automatic test device for a high-frequency current sensor according to claim 1 or 2, characterized in that: the display device is characterized by further comprising a display (4), wherein the input end of the display (4) is connected with the output end of the host machine case (1).
4. The automatic test device for a high-frequency current sensor according to claim 2, wherein: the scanning equipment is a bar code gun (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603976.XU CN215219135U (en) | 2021-07-15 | 2021-07-15 | Automatic testing device of high-frequency current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603976.XU CN215219135U (en) | 2021-07-15 | 2021-07-15 | Automatic testing device of high-frequency current sensor |
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| Publication Number | Publication Date |
|---|---|
| CN215219135U true CN215219135U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121603976.XU Active CN215219135U (en) | 2021-07-15 | 2021-07-15 | Automatic testing device of high-frequency current sensor |
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| CN (1) | CN215219135U (en) |
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2021
- 2021-07-15 CN CN202121603976.XU patent/CN215219135U/en active Active
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