CN216560714U - Electronic ultralight heavy current generator - Google Patents
Electronic ultralight heavy current generator Download PDFInfo
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- CN216560714U CN216560714U CN202122843350.2U CN202122843350U CN216560714U CN 216560714 U CN216560714 U CN 216560714U CN 202122843350 U CN202122843350 U CN 202122843350U CN 216560714 U CN216560714 U CN 216560714U
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- current
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- crystal display
- voltage regulator
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses an electronic ultra-light heavy current generator, which comprises a generator main body, a cover, a power supply input port, a liquid crystal display, a secondary input interface, a current output interface, an air switch and a current regulation potentiometer, wherein the cover is arranged on the generator main body, and the power supply input port, the liquid crystal display, the secondary input interface, the current output interface, the air switch and the current regulation potentiometer are arranged on a panel in the generator main body. The utility model adopts the numerical control technology, has strong anti-interference capability, adopts the low-power-consumption and large-capacity self-coupled voltage regulator and the converter made of the high-permeability iron core, and has the advantages of large output power, small volume, light weight and the like.
Description
Technical Field
The utility model relates to a current generator, in particular to an electronic ultra-light large current generator.
Background
The large current generator is a power device with adjustable output, low voltage and large current, is mainly applied to the field of measurement and calibration of instruments and meters, and is also applied to the field of testing of overcurrent on a relay and a relay contact. The large-current generator can simulate real current environment and load capacity so as to achieve accurate calibration of the instrument in a full-range. Because of the relative simplicity of the technology of high current generators, there are a large number of such products on the market today. However, the existing large current generator has large function, small capacity, large volume and heavy weight, and in order to solve the problems, the utility model designs an electronic ultra-light large current generator.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an electronic ultra-light heavy current generator which adopts a numerical control technology and has strong anti-interference capability, adopts a converter made of a low-power-consumption and large-capacity self-coupling voltage regulator and a high-permeability iron core and has the advantages of large output power, small volume, light weight and the like.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the electronic ultra-light heavy current generator comprises a generator main body, a cover, a power input port, a liquid crystal display, a secondary input interface, a current output interface, an air switch and a current regulation potentiometer, wherein the cover is arranged on the generator main body, and the power input port, the liquid crystal display, the secondary input interface, the current output interface, the air switch and the current regulation potentiometer are arranged on a panel in the generator main body.
Preferably, one end of the air switch is connected with 220V mains supply, the other end of the air switch is connected with a voltage regulator, the voltage regulator is respectively connected with the control switch and a current booster through a contactor, the current booster is respectively connected with a current transformer and a current output interface, and the current transformer is connected with the liquid crystal display.
Preferably, the liquid crystal display is a current display.
Preferably, the voltage regulator is an electronic voltage regulator, so that the traditional electromagnetic voltage regulator is eliminated, and the weight of the instrument is greatly reduced.
The utility model has the following beneficial effects: the digital control technology is adopted, the anti-interference capability is strong, and the converter manufactured by the low-power-consumption and large-capacity self-coupling voltage regulator and the high-magnetic-permeability iron core has the advantages of large output power, small volume, light weight and the like. The device is mainly used for checking a thermal relay, a motor protector, a contactor, a circuit breaker, an air switch, a switch cabinet, a circuit breaker and a protection screen; the device is used for testing items such as primary bus protection and transformation ratios of various current transformers, and is widely applied to scientific research, production and electrical test sites of enterprises such as power, railways, petrifaction, metallurgy and mines.
Drawings
The utility model is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic block diagram of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-2, the following technical solutions are adopted in the present embodiment: the electronic ultra-light heavy current generator comprises a generator body 1, a cover 2, a power supply input port 3, a liquid crystal display 4, a secondary input interface 5, a current output interface 6, an air switch 7 and a current regulation potentiometer 8, wherein the generator body 1 is provided with the cover 2, and a panel in the generator body 1 is provided with the power supply input port 3, the liquid crystal display 4, the secondary input interface 5, the current output interface 6, the air switch 7 and the current regulation potentiometer 8.
It is worth noting that one end of the air switch 7 is connected with 220V mains supply, the other end is connected with a voltage regulator 9, the voltage regulator 9 is respectively connected with a control switch 10 and a current booster 11 through a contactor 13, the current booster 11 is respectively connected with a current transformer 12 and a current output interface 6, and the current transformer 12 is connected with the liquid crystal display 4.
It should be noted that the lcd 4 is a current display.
In addition, the voltage regulator 9 is an electronic voltage regulator, so that the traditional electromagnetic voltage regulator is eliminated, and the weight of the instrument is greatly reduced.
The working principle of the specific embodiment is as follows: the 220V commercial power passes through the autotransformer and then is connected to the current booster, and when the output is connected with a load, the autotransformer is adjusted, so that the output voltage is increased, and meanwhile, the current is increased.
The operation method of the present embodiment is as follows: firstly, after the equipment is connected with a ground wire, the voltage regulator is rotated to a zero position, a test article is connected, whether the contact is good or not is checked, the commercial power is switched on by 220V, the air switch is closed, the starting button is pressed, the contactor is closed, at the moment, the whole system is in a conduction state, and the output current is increased along with the adjustment of the rotary knob on the panel until the required current is adjusted. The 5A input current on the panel is used to calibrate the transformer.
This embodiment can output the model and correspond the electric current for a long time, can concatenate a plurality of verifications simultaneously, improves work efficiency, does not have the restriction of voltage regulator carbon brush, very big improvement the precision of electric current, adopt the LCD screen to show that the electric current is directly perceived, accurate, adopt pleasing to the eye elegant PVC panel, the test value of direct display primary current, secondary current, the experimental observation and the record of being convenient for. The measurement accuracy is high: true effective value is +/-1%; the power is large, the volume is small, and the load capacity is strong; the volume is small, the weight is light, the volume is only 30 to 70 percent of that of the similar products, and the carrying is very convenient.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The electronic ultra-light large current generator is characterized by comprising a generator main body (1), a cover (2), a power supply input port (3), a liquid crystal display (4), a secondary input interface (5), a current output interface (6), an air switch (7) and a current regulation potentiometer (8), wherein the cover (2) is arranged on the generator main body (1), and the power supply input port (3), the liquid crystal display (4), the secondary input interface (5), the current output interface (6), the air switch (7) and the current regulation potentiometer (8) are arranged on a panel in the generator main body (1).
2. An ultra-light electronic high current generator as claimed in claim 1, wherein one end of the air switch (7) is connected to 220V mains, the other end is connected to the voltage regulator (9), the voltage regulator (9) is connected to the control switch (10) and the current booster (11) through the contactor (13), the current booster (11) is connected to the current transformer (12) and the current output interface (6), and the current transformer (12) is connected to the liquid crystal display (4).
3. An ultra-light electronic high current generator as claimed in claim 1, wherein said liquid crystal display (4) is a current display.
4. An ultra-light electronic high current generator as claimed in claim 2, characterized in that said voltage regulator (9) is an electronic voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843350.2U CN216560714U (en) | 2021-11-19 | 2021-11-19 | Electronic ultralight heavy current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843350.2U CN216560714U (en) | 2021-11-19 | 2021-11-19 | Electronic ultralight heavy current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216560714U true CN216560714U (en) | 2022-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122843350.2U Active CN216560714U (en) | 2021-11-19 | 2021-11-19 | Electronic ultralight heavy current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216560714U (en) |
-
2021
- 2021-11-19 CN CN202122843350.2U patent/CN216560714U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room B404, Tonglin Square, No. 3 Changle Road, Xiamen Area, China (Fujian) Pilot Free Trade Zone, Xiamen City, Fujian Province, 361000 Patentee after: Fujian CLP National Measurement and Testing Research Institute Co.,Ltd. Address before: 361000 area a, room 602, No. 6, Tong'an Industrial Park, Meixi Road, Tong'an District, Xiamen City, Fujian Province Patentee before: Fujian Zhongdian guoce measurement and Testing Co.,Ltd. |