CN215813067U - Hand-held defect eliminating tester - Google Patents
Hand-held defect eliminating tester Download PDFInfo
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- CN215813067U CN215813067U CN202121027384.8U CN202121027384U CN215813067U CN 215813067 U CN215813067 U CN 215813067U CN 202121027384 U CN202121027384 U CN 202121027384U CN 215813067 U CN215813067 U CN 215813067U
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Abstract
The utility model discloses a hand-held defect elimination tester, which comprises: the device comprises a power supply module, a microprocessor module, a signal interface module, a current output module, a voltage output module and a display screen module; the power supply module is used for supplying power to the microprocessor module, the signal interface module, the current output module, the voltage output module and the display screen module; the microprocessor module is connected with the signal interface module, the current output module, the voltage output module and the display screen module; the display screen module is used for performing human-computer interaction; the signal interface module is used for being externally connected with equipment to be tested, the current output module is used for outputting current to the equipment to be tested, and the voltage output module is used for outputting voltage to the equipment to be tested. The handheld defect elimination tester in the embodiment of the application has the advantages of low overall manufacturing cost, simplicity and practicality in operation, high working efficiency, strong anti-interference capability and portability, and can meet the requirements of field work. The utility model can be widely applied to the technical field of electric power detection.
Description
Technical Field
The utility model relates to the technical field of power detection, in particular to a handheld defect elimination tester.
Background
Defect elimination is the meaning of eliminating defects, and is also the term of the power industry, and is the process of recovering abnormal and defective equipment to normal, and generally comprises the work of testing, verifying, disassembling, replacing, fastening, welding, lubricating and the like on the abnormal equipment.
In the related art, the adopted test equipment is often large-scale equipment, is difficult to carry to the defect eliminating field for use, is greatly limited in use occasions, and has poor application effect. In summary, the problems of the related art need to be solved.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve at least one of the technical problems occurring in the related art to some extent.
Therefore, an object of the embodiments of the present invention is to provide a handheld defect elimination tester, which is simple to operate, high in working efficiency, strong in anti-interference capability, and convenient to carry, and can meet the requirements of field work.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the utility model comprises the following steps:
the embodiment of the utility model provides a handheld defect elimination tester, which comprises:
the device comprises a power supply module, a microprocessor module, a signal interface module, a current output module, a voltage output module and a display screen module;
the power supply module is used for supplying power to the microprocessor module, the signal interface module, the current output module, the voltage output module and the display screen module;
the microprocessor module is connected with the signal interface module, the current output module, the voltage output module and the display screen module;
the display screen module is used for performing human-computer interaction;
the signal interface module is used for externally connecting equipment to be tested, the current output module is used for outputting current to the equipment to be tested, and the voltage output module is used for outputting voltage to the equipment to be tested.
In addition, the handheld defect elimination tester according to the above embodiment of the present invention may further have the following additional technical features:
further, in one embodiment of the present invention, the signal interface module includes an input unit and an output unit.
Further, in one embodiment of the present invention, a digital-to-analog conversion circuit; the current output module comprises a current amplifying circuit, and the voltage output module comprises a voltage amplifying circuit;
the microprocessor module is connected to the current amplifying circuit through the digital-to-analog conversion circuit, and is also connected to the voltage amplifying circuit through the digital-to-analog conversion circuit.
Further, in one embodiment of the present invention, the RS232 conversion circuit; and the microprocessor module is connected to the display screen module through the RS232 conversion circuit.
Further, in one embodiment of the utility model, the microprocessor module comprises an STM32 single chip.
Further, in one embodiment of the present invention, the power module includes a rechargeable lithium battery.
Advantages and benefits of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model:
the embodiment of this application discloses a hand-held type disappears and lacks tester includes: the device comprises a power supply module, a microprocessor module, a signal interface module, a current output module, a voltage output module and a display screen module; the power supply module is used for supplying power to the microprocessor module, the signal interface module, the current output module, the voltage output module and the display screen module; the microprocessor module is connected with the signal interface module, the current output module, the voltage output module and the display screen module; the display screen module is used for performing human-computer interaction; the signal interface module is used for externally connecting equipment to be tested, the current output module is used for outputting current to the equipment to be tested, and the voltage output module is used for outputting voltage to the equipment to be tested. The handheld defect elimination tester in the embodiment of the application has the advantages of low overall manufacturing cost, simplicity and practicality in operation, high working efficiency, strong anti-interference capability and portability, and can meet the requirements of field work.
Drawings
FIG. 1 is a schematic structural diagram of a hand-held defect-eliminating tester provided by the present invention;
fig. 2 is a schematic diagram of a voltage amplifying circuit in the handheld defect elimination tester provided by the utility model.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length," "upper," "lower," "front," "rear," "left," "right," "top," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the embodiment of the application of the utility model, the handheld defect elimination tester is provided, and can be used for defect elimination tests of various power equipment, for example, for power distribution end equipment, the tester in the embodiment of the utility model can be used for inputting current and voltage to the equipment, and then the equipment is tested by detecting an action signal of the equipment. Of course, the above implementation scenario is only used to illustrate the application of the embodiment of the present application, and is not meant to limit the practical application of the handheld defect elimination tester in the present application.
Referring to fig. 1, in particular, the handheld defect elimination tester in the embodiment of the present application includes:
the device comprises a power supply module, a microprocessor module, a signal interface module, a current output module, a voltage output module and a display screen module;
the power supply module is used for supplying power to the microprocessor module, the signal interface module, the current output module, the voltage output module and the display screen module;
the microprocessor module is connected with the signal interface module, the current output module, the voltage output module and the display screen module;
the display screen module is used for performing human-computer interaction;
the signal interface module is used for being externally connected with equipment to be tested, the current output module is used for outputting current to the equipment to be tested, and the voltage output module is used for outputting voltage to the equipment to be tested.
In the embodiment of the application, the handheld defect elimination tester is provided with the power supply module, the power supply module can be realized through the rechargeable lithium battery, and the lithium battery is arranged in the tester, so that the debugging work can be carried out under the condition that the field power supply is not required to support. The tester in the embodiment of the application is simple to operate, stable, reliable and good in usability, and can greatly improve the working efficiency. Specifically, when the user uses the tester, the user can input a set test signal through the display screen module, for example, information such as voltage, current, phase, frequency and the like output by the tester can be set, and a set power supply is output to the device to be tested through the current output module and the voltage output module. Moreover, the signal interface module in the embodiment of the present application may include an input unit and an output unit, where the tester may set some switching values for the device under test through the output unit, for example, may include setting some circuit breakers in open positions or closed positions. The input unit is used for receiving an action signal of the device to be tested in the test process, and specifically may be a state signal of some switches, for example, in a separate state or in a combined state, so as to determine whether the device to be tested can normally work in a complex power environment.
In the embodiment of the application, the microprocessor module is arranged to process signals among the modules. Specifically, the microprocessor module in the embodiment of the present application may be composed of any one or more processor chips including an MCU singlechip, an FPGA, a CPLD, a DSP, an ARM, and the like. For example, the chip may be a 51-series single chip or an STM 32-series single chip, and specifically may be an STM32F107VC single chip. Of course, it is understood that the specific chip type is not limited to the above arrangement. The microprocessor module comprises an input end and an output end, wherein the power supply module and the input quantity unit are connected to the input end of the microprocessor module, and the display screen module, the current output module, the voltage output module and the output quantity unit are connected to the output end of the microprocessor module.
In the embodiment of the application, for the connection between the display screen module and the microprocessor module, the display screen module and the microprocessor module can communicate after level conversion through the RS232 conversion circuit; for the connection relationship between the microprocessor module and the voltage output module and the current output module, the current output module may include a current amplifying circuit, and the specific circuit structure may adopt any one of the prior arts; the voltage output module may include a voltage amplifying circuit, referring to fig. 2, fig. 2 shows a schematic diagram of a voltage amplifying circuit in an embodiment of the present application, in the voltage amplifying circuit, a DAC8563 chip may output a voltage VIN, and then an amplifying circuit is formed by a triode and a MOS transistor, and a voltage signal output by the microprocessor module is amplified to obtain a final stable output voltage VOUT. Of course, in this embodiment, a digital-to-analog conversion circuit may be further provided, and the digital-to-analog conversion circuit is configured to perform digital-to-analog conversion on the signal output by the microprocessor module and then amplify the signal in the current output module and the voltage output module.
In some embodiments, the tester can be further provided with a level conversion circuit, the level conversion circuit can be arranged between the microprocessor module and the signal interface module, and after level conversion is set, the input signal and the output signal can be connected with a chip in the microprocessor module after photoelectric isolation and level conversion, so that the anti-interference capability can be greatly enhanced.
It can be understood that the handheld defect elimination tester provided by the utility model can be powered by a lithium battery, can provide output signals of 1 path of voltage and 1 path of current, simulates a voltage signal of 1 line and a current signal of 1 line, and can set voltage, current, phase and frequency. The tester can be used for field overhaul and test of the power distribution terminal, has comprehensive functions, is simple and easy to use, is convenient to carry, has heavy load, large current and long-time working capacity, and has high stability and high reliability.
In the description herein, references to the description of "one embodiment," "another embodiment," or "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A hand-held defect-eliminating tester, comprising:
the device comprises a power supply module, a microprocessor module, a signal interface module, a current output module, a voltage output module and a display screen module;
the power supply module is used for supplying power to the microprocessor module, the signal interface module, the current output module, the voltage output module and the display screen module;
the microprocessor module is connected with the signal interface module, the current output module, the voltage output module and the display screen module;
the display screen module is used for performing human-computer interaction;
the signal interface module is used for externally connecting equipment to be tested, the current output module is used for outputting current to the equipment to be tested, and the voltage output module is used for outputting voltage to the equipment to be tested.
2. The hand-held ablation tester of claim 1, wherein: the signal interface module comprises an input unit and an output unit.
3. The hand-held ablation tester of claim 1, wherein: the handheld defect elimination tester also comprises a digital-to-analog conversion circuit; the current output module comprises a current amplifying circuit, and the voltage output module comprises a voltage amplifying circuit;
the microprocessor module is connected to the current amplifying circuit through the digital-to-analog conversion circuit, and is also connected to the voltage amplifying circuit through the digital-to-analog conversion circuit.
4. The hand-held ablation tester of claim 1, wherein: the handheld defect elimination tester also comprises an RS232 conversion circuit; and the microprocessor module is connected to the display screen module through the RS232 conversion circuit.
5. The hand-held ablation tester according to any one of claims 1-4, wherein: the microprocessor module includes an STM32 single chip.
6. The hand-held ablation tester of claim 1, wherein: the power module includes a rechargeable lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027384.8U CN215813067U (en) | 2021-05-13 | 2021-05-13 | Hand-held defect eliminating tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027384.8U CN215813067U (en) | 2021-05-13 | 2021-05-13 | Hand-held defect eliminating tester |
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| CN215813067U true CN215813067U (en) | 2022-02-11 |
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| CN202121027384.8U Active CN215813067U (en) | 2021-05-13 | 2021-05-13 | Hand-held defect eliminating tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115291025A (en) * | 2022-09-30 | 2022-11-04 | 国网山东省电力公司潍坊供电公司 | Portable FTU-DTU intelligent detector |
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2021
- 2021-05-13 CN CN202121027384.8U patent/CN215813067U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115291025A (en) * | 2022-09-30 | 2022-11-04 | 国网山东省电力公司潍坊供电公司 | Portable FTU-DTU intelligent detector |
| CN117214579A (en) * | 2022-09-30 | 2023-12-12 | 国网山东省电力公司潍坊供电公司 | Portable FTU-DTU intelligent detector |
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