CN219695288U - Portable tester - Google Patents

Portable tester Download PDF

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Publication number
CN219695288U
CN219695288U CN202320598746.1U CN202320598746U CN219695288U CN 219695288 U CN219695288 U CN 219695288U CN 202320598746 U CN202320598746 U CN 202320598746U CN 219695288 U CN219695288 U CN 219695288U
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China
Prior art keywords
shell
utility
fuse
model
buzzer
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Active
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CN202320598746.1U
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Chinese (zh)
Inventor
管孝玉
吴瑞
冯立群
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China Railway 14th Bureau Group Electrification Engineering Co Ltd
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China Railway 14th Bureau Group Electrification Engineering Co Ltd
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Priority to CN202320598746.1U priority Critical patent/CN219695288U/en
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Abstract

The utility model discloses a portable tester, which relates to the technical field of railway electric engineering construction power transmission debugging. The beneficial effects of the utility model are as follows: the portable tester is mainly suitable for power transmission conduction and test of various electrical equipment and cables, is improved on the basis of a universal meter, has a red LED light function and a sound reminding function, and has a volume reduced to one fifth and a weight reduced to one tenth; in various railway electric engineering constructions, particularly when places such as outdoors, noisy interference or poor light are limited, the device is still convenient to carry and easy and convenient to operate, can rapidly remove induced electricity, and greatly improves the investigation efficiency.

Description

Portable tester
Technical Field
The utility model relates to the technical field of railway electric engineering construction power transmission debugging, in particular to a portable tester.
Background
In the construction of various railway electric service engineering, after equipment wiring is finished, power transmission debugging is carried out, and a voltage gear of a universal meter is usually used for operation, but when the universal meter measures alternating voltage, the universal meter is easy to be interfered by induced voltage (particularly in electrified railway sections), the phenomena of incapability of judging whether the induced voltage is induced, unobvious display, silent light prompt and the like can occur, and the universal meter has the advantages of extremely large potential safety hazard, large volume, difficult carrying, no sound function, inconvenience in operation and low efficiency, and is particularly suitable for outdoor use, noise interference or light defect and other places are limited.
Disclosure of Invention
In order to achieve the above object, the present utility model provides a portable tester for solving the above technical problems.
The technical proposal is that the device comprises a shell, a digital display alternating-current voltmeter and an audible and visual buzzer which are arranged in the shell, the digital display alternating-current voltmeter and the audible and visual buzzer are connected through a wire, and two ends of the wire are respectively connected with crocodile clamps. The red and black crocodile clips contact the terminals being tested.
And a fuse is connected to the wire.
The front face, the top face and one side face of the shell are all provided with through holes.
The digital display alternating-current voltmeter and the audible and visual buzzer are embedded into the two through holes on the front face of the shell, and the through holes on the side face of the shell are connected with the lead.
The fuse comprises a fuse seat and a fuse tube arranged in the fuse seat;
the fuse holder is embedded into the through hole on the top surface of the shell.
And an aviation socket is arranged in the through hole on the side surface of the shell, and the lead inside the shell passes through the aviation socket and extends to the outside of the shell.
The shell is made of aluminum alloy.
The shell is provided with a width of 56mm, a thickness of 56mm and a length of 100mm, the acoustic-optical buzzer is selected to have a diameter of 22mm by 56mm, and the digital display alternating-current voltmeter is selected to have a red color and a diameter of 22mm by 47.5mm;
the lead is a 0.4 square copper core plastic wire.
After the tester is manufactured and installed, conducting measurement experiments are carried out on site, and the power transmission debugging of the combined cabinet, the power transmission debugging of the cable box HF7, the track transformer BG3-130/25 and the signal machine are carried out on the construction site, so that the effect is good.
When the test device is used, the crocodile clip contacts with the tested terminal, the tester can display the voltage value of the tested terminal, meanwhile, the audible and visual buzzer sounds, and the LED lamp flashes, so that whether the voltage value of the tested terminal meets the requirement is judged, and meanwhile, whether the voltage is an induced voltage is verified through the audible and visual buzzer, so that whether wiring and equipment are normal or not is judged, or a fault point is judged to be found.
Before the tester tests, the voltage of the tested equipment is ensured not to be greater than 250V, and if the voltage exceeds the measurement range, a fuse tube is burnt out and needs to be replaced in time.
The tester is used for the construction of the sun-shine-Lanshan-Shugang railway engineering (420 of various cabinets, transformers and boxes are tested), saves 2 ten thousand yuan of work cost, saves 5 thousand yuan of material cost, indirectly saves 3 ten thousand yuan of various cost and the like.
The tester can be used in subsequent engineering of the extended energy transformation of the plateau and the railway, engineering of the tie line of the plateau and the railway, engineering of the station engineering in the mountain steel factory and signal engineering construction, and has considerable economic benefit.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the portable tester is mainly suitable for power transmission conduction and test of various electrical equipment and cables, is improved on the basis of a universal meter, has a red LED light function and a sound reminding function, and has a volume reduced to one fifth and a weight reduced to one tenth; in various railway electric engineering constructions, particularly when places such as outdoors, noise interference or poor light are limited, the electric power transmission debugging device is convenient to carry and easy and convenient to operate, can rapidly remove induced electricity, greatly improves the investigation efficiency, improves the power transmission debugging efficiency of electric equipment, and creates economic benefits;
the tester fully utilizes conventional materials, so that the cost is saved; the digital display alternating-current voltmeter, the acousto-optic buzzer, the aviation socket and the fuse base are guaranteed to be firmly installed on the aluminum alloy shell.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a fuse holder according to an embodiment of the utility model.
Fig. 3 is a schematic structural diagram of a housing according to an embodiment of the utility model.
Wherein, the reference numerals are as follows: 1. a housing; 2. a digital display alternating current voltmeter; 3. an acousto-optic buzzer; 4. a wire; 5. crocodile clips; 6. a fuse holder; 8. a through hole; 9. aviation socket.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 3, the utility model provides a portable tester, which comprises a shell 1, a digital display alternating-current voltmeter 2 and an audible and visual buzzer 3, wherein the digital display alternating-current voltmeter 2 and the audible and visual buzzer 3 are arranged in the shell 1, the digital display alternating-current voltmeter 2 and the audible and visual buzzer 3 are connected through a wire 4, and two ends of the wire 4 are respectively connected with crocodile clips 5. The red and black crocodile clips contact the terminals being tested.
The wire 4 is connected with a fuse.
The front, top and side surfaces of the shell 1 are provided with through holes 8.
The digital display alternating-current voltmeter 2 and the audible and visual buzzer 3 are embedded into two through holes 8 on the front surface of the shell 1, and the through holes 8 on the side surface of the shell 1 are connected with the lead wires 4.
The fuse comprises a fuse seat 6 and a fuse tube arranged in the fuse seat 6;
the fuse holder 6 is embedded in a through hole 8 in the top surface of the housing 1.
An aerial socket 9 is arranged in the through hole 8 on the side surface of the shell 1, and the wires 4 inside the shell 1 extend to the outside of the shell 1 through the aerial socket 9.
The shell 1 is made of aluminum alloy.
The shell 1 is provided with a width of 56mm, a thickness of 56mm and a length of 100mm, the acousto-optic buzzer 3 is selected from 22mm in diameter by 56mm, and the digital display alternating current voltmeter 2 is selected from red in diameter by 47.5mm;
the lead 4 is a 0.4 square copper core plastic wire.
After the tester is manufactured and installed, conducting measurement experiments are carried out on site, and the power transmission debugging of the combined cabinet, the power transmission debugging of the cable box HF7, the track transformer BG3-130/25 and the signal machine are carried out on the construction site, so that the effect is good.
When the test device is used, the crocodile clip contacts with the tested terminal, the tester can display the voltage value of the tested terminal, meanwhile, the audible and visual buzzer sounds, and the LED lamp flashes, so that whether the voltage value of the tested terminal meets the requirement is judged, and meanwhile, whether the voltage is an induced voltage is verified through the audible and visual buzzer, so that whether wiring and equipment are normal or not is judged, or a fault point is judged to be found.
Before the tester tests, the voltage of the tested equipment is ensured not to be greater than 250V, and if the voltage exceeds the measurement range, a fuse tube is burnt out and needs to be replaced in time.
The tester is used for testing 420 cabinets, transformers and boxes in the construction of the sun-shine and Lanshan-Qingang railway engineering, saves 2 ten thousand yuan of work cost, 5 thousand yuan of material cost and 3 ten thousand yuan of various cost indirectly.
The tester can be used in subsequent engineering of the extended energy transformation of the plateau and the railway, engineering of the tie line of the plateau and the railway, engineering of the station engineering in the mountain steel factory and signal engineering construction, and has considerable economic benefit.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (2)

1. The portable tester is characterized by comprising a shell (1) and a digital display alternating-current voltmeter (2) and an audible and visual buzzer (3) which are arranged in the shell (1), wherein the digital display alternating-current voltmeter (2) and the audible and visual buzzer (3) are connected through a lead (4), and two ends of the lead (4) are respectively connected with crocodile clips (5);
the wire (4) is connected with a fuse;
the front face, the top face and one side face of the shell (1) are provided with through holes (8);
the digital display alternating-current voltmeter (2) and the audible and visual buzzer (3) are embedded into two through holes (8) on the front surface of the shell (1), and the wires (4) are connected in the through holes (8) on the side surface of the shell (1);
the fuse comprises a fuse seat (6) and a fuse tube arranged in the fuse seat (6);
the fuse base (6) is embedded into a through hole (8) on the top surface of the shell (1);
an aviation socket (9) is arranged in a through hole (8) on the side face of the shell (1), and the lead (4) inside the shell (1) penetrates through the aviation socket (9) to extend to the outside of the shell (1).
2. Portable tester according to claim 1, characterized in that the housing (1) is made of aluminium alloy.
CN202320598746.1U 2023-03-21 2023-03-21 Portable tester Active CN219695288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320598746.1U CN219695288U (en) 2023-03-21 2023-03-21 Portable tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320598746.1U CN219695288U (en) 2023-03-21 2023-03-21 Portable tester

Publications (1)

Publication Number Publication Date
CN219695288U true CN219695288U (en) 2023-09-15

Family

ID=87969435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320598746.1U Active CN219695288U (en) 2023-03-21 2023-03-21 Portable tester

Country Status (1)

Country Link
CN (1) CN219695288U (en)

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