Electricity measuring device with high safety

Abstract

The utility model discloses an electricity testing device with high safety in the technical field of electricity testing equipment, comprising a hand-held rod and a testing box, the testing box is located at the right end of the hand-held rod, the left side wall of the inner cavity of the testing box is fixedly connected with a buzzer, the right side wall of the testing box is fixedly connected with an installation rod, and the installation rod is fixedly connected with the hand-held rod. A first conductive head is fixedly connected to the tail end of the mounting rod, a connecting wire is fixedly connected to the outer side wall of the first conductive head, the tail end of the connecting wire penetrates through the detection box and extends to an inner cavity of the detection box, and the tail end of the connecting wire is fixedly connected to the right side wall of the buzzer. The bottom of the detection box is provided with a clamping groove, and an inner cavity of the clamping groove is connected with a second conductive head in a clamped mode, the high-safety electricity detection device is reasonable in structural design, during electricity detection, manual contact is not needed, the safety is improved, the high position can be touched, and the convenience degree of electricity detection at the high position is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical measuring equipment, in particular to an electrical measuring device with high safety. Background Art

[0002] As the name suggests, an electrical testing device is a tool used to quickly detect whether the testing location is energized. In industrial production and daily life, common electrical testing devices include test pens, multimeters, etc.

[0003] When using the existing test pen, it is necessary to touch the metal part at the tail end of the test pen with your hand to complete the test. However, touching the tail end of the test pen with your hand is dangerous and not safe. In addition, when testing electricity at a higher place, the operator needs to climb up to complete the test, which is very inconvenient. For this reason, we have proposed a highly safe test device. Utility Model Content

[0004] The purpose of the utility model is to provide a highly safe electrical testing device to solve the problems in the above-mentioned background technology that a general electrical tester is dangerous and unsafe when testing electricity, and is not convenient when testing electricity at a higher place.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly safe electrical measuring device, comprising a hand-held rod and a detection box, the detection box is located at the right end of the hand-held rod, a buzzer is fixedly connected to the left side wall of the inner cavity of the detection box, a mounting rod is fixedly connected to the right side wall of the detection box, a first conductive head is fixedly connected to the end of the mounting rod, a connecting wire is fixedly connected to the outer side wall of the first conductive head, the end of the connecting wire passes through the detection box and extends to the inner cavity of the detection box, and the end of the connecting wire is fixedly connected to the right side wall of the buzzer, a card slot is provided at the bottom of the detection box, a second conductive head is carded in the inner cavity of the card slot, a spiral wire is fixedly connected to the top of the second conductive head, the top of the spiral wire passes through the card slot and extends to the inner cavity of the detection box, and the top of the spiral wire is fixedly connected to the bottom of the buzzer.

[0006] As a further description of the above technical solution:

[0007] The inner cavity of the hand-held rod is slidably connected with an extension rod, and the hand-held rod and the extension rod are both made of polyethylene material.

[0008] As a further description of the above technical solution:

[0009] Slots are provided on the left and right sides of the top of the extension rod.

[0010] As a further description of the above technical solution:

[0011] A fixing block is fixedly connected to the right side of the top of the hand-held rod, and a spring is fixedly connected to the top of the inner cavity of the fixing block.

[0012] As a further description of the above technical solution:

[0013] The inner cavity of the spring is sleeved with a latch.

[0014] As a further description of the above technical solution:

[0015] A through hole is formed on the top of the detection box.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The highly safe electrical measuring device has extremely strong insulation performance due to the polyethylene material, and the hand-held rod and the extension rod are made of polyethylene material, so that the hand-held rod and the extension rod have extremely strong insulation ability. Then, the hand-held rod is held to measure electricity, which makes it very safe. After that, the second conductive head is removed from the card slot and placed on the ground. Then, the first conductive head is contacted to the electrical measuring position by controlling the hand-held rod to form a loop to complete the electrical measurement. Therefore, when the electrical measuring device is measuring electricity, no manual contact is required, thereby improving safety.

[0018] 2. The highly safe electrical measuring device pulls the pin outward to cause the spring to contract and the end of the pin to move out of the right slot. The extension rod is pulled to extend from the inside of the hand-held rod. The pin is then released to cause the spring to rebound and drive the end of the pin to be inserted into the left slot. The extension rod is then locked and extended from the hand-held rod to adjust the overall length of the device, thereby enabling the device to reach a higher place and improving the convenience of measuring electricity at a higher place. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a highly safe electrical measuring device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of a highly safe electrical measuring device proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional structure of a highly safe electrical measuring device proposed by the utility model;

[0022] Figure 4 The utility model provides a high-safety electrical measuring device Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure: 100, hand-held rod; 110, extension rod; 120, slot; 130, fixing block; 140, spring; 150, latch; 200, detection box; 210, buzzer; 220, mounting rod; 230, first conductive head; 240, connecting wire; 250, slot; 260, second conductive head; 270, spiral wire; 280, through hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a highly safe electricity measuring device. When measuring electricity, no manual contact is required, which improves safety. In addition, the device can reach higher places, which improves the convenience of measuring electricity at higher places. Figure 1-4 , comprising a hand-held rod 100 and a detection box 200;

[0028] See also Figure 1-3, the hand-held rod 100 is used for manual holding;

[0029] Please refer again Figure 1-4 , the detection box 200 is located at the right end of the hand-held rod 100. Specifically, the detection box 200 is fixedly connected to the right end of the extension rod 110. The left side wall of the inner cavity of the detection box 200 is fixedly connected with a buzzer 210, and the buzzer 210 is used to make a sound. The right side wall of the detection box 200 is fixedly connected with a mounting rod 220, and the mounting rod 220 is used to install a first conductive head 230. The end of the mounting rod 220 is fixedly connected with the first conductive head 230, and the first conductive head 230 is used to contact the electrical measurement position. The outer side wall of the first conductive head 230 is fixedly connected with a connecting wire 240. The end of the connecting wire 240 passes through the detection box 200 and extends to the inner cavity of the detection box 200, and the end of the connecting wire 240 is fixedly connected to the right side wall of the buzzer 210. The connecting wire 240 is used to connect the first conductive head 230 and the buzzer 210. A card slot 250 is provided at the bottom of the detection box 200. The card slot 250 is used to clamp the second conductive head 260. The inner cavity of the detection box 200 is clamped with a second conductive head 260, and the second conductive head 260 is used to contact the ground. The top of the second conductive head 260 is fixedly connected with a spiral wire 270. The top of the spiral wire 270 passes through the card slot 250 and extends to the inner cavity of the detection box 200, and the top of the spiral wire 270 is fixedly connected to the bottom of the buzzer 210. The spiral wire 270 is used to connect the second conductive head 260 and the buzzer 210. The polyethylene material has extremely strong insulation performance, and the hand-held rod 100 and the extension rod 110 are made of polyethylene material, so that the hand-held rod 100 and the extension rod 110 have extremely strong insulation ability. Then, the hand-held rod 100 is held to measure electricity, which has high safety. After that, the second conductive head 260 is removed from the card slot 250 and placed on the ground, and then the first conductive head 230 is contacted to the electricity measurement position by manipulating the hand-held rod 100 to form a loop, thereby completing the electricity measurement;

[0030] In summary, the electrical measuring device does not require manual contact when measuring electricity, thereby improving safety.

[0031] Please refer again Figure 1-3 The inner cavity of the hand-held rod 100 is slidably connected with the extension rod 110. The hand-held rod 100 and the extension rod 110 are both made of polyethylene material. The polyethylene material makes the hand-held rod 100 and the extension rod 110 have good insulation properties.

[0032] See also Figure 3 Slots 120 are provided on the left and right sides of the top of the extension rod 110 , and the latch 150 can be inserted through the slots 120 .

[0033] Please refer again Figure 1-3A fixing block 130 is fixedly connected to the top right side of the hand-held rod 100 , and a spring 140 is fixedly connected to the top of the inner cavity of the fixing block 130 , and the spring 140 and the latch 150 can be installed through the fixing block 130 .

[0034] Please refer again Figure 1-3 The inner cavity of the spring 140 is sleeved with a latch 150 , and the extension rod 110 can be locked by the latch 150 .

[0035] See also Figure 1 and Figure 3 A through hole 280 is provided on the top of the detection box 200 , through which the sound of the buzzer 210 can be transmitted from the detection box 200 .

[0036] In summary, the device can reach higher places, thereby improving the convenience of measuring electricity at higher places.

[0037] During specific use, a person skilled in the art first pulls out the latch 150 so that the spring 140 contracts and the end of the latch 150 moves out of the right slot 120, and then pulls the extension rod 110 to extend it from the inside of the hand-held rod 100, and then releases the latch 150 so that the spring 140 rebounds and drives the end of the latch 150 to be inserted into the left slot 120, and then locks the extension rod 110, and then removes the second conductive head 260 from the slot 250 and places it on the ground, and then manipulates the hand-held rod 100 to contact the first conductive head 230 to the electrical measuring position, so that the electrical measuring position buzzer 210 and the ground form a loop, and when the buzzer 210 sounds, the electrical measuring position is energized, and when the buzzer 210 does not sound, the electrical measuring position is not energized.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A highly safe electrical measuring device, characterized in that: The invention comprises a hand-held rod (100) and a detection box (200), wherein the detection box (200) is located at the right end of the hand-held rod (100), a buzzer (210) is fixedly connected to the left wall of the inner cavity of the detection box (200), a mounting rod (220) is fixedly connected to the right wall of the detection box (200), a first conductive head (230) is fixedly connected to the end of the mounting rod (220), a connecting wire (240) is fixedly connected to the outer wall of the first conductive head (230), and the end of the connecting wire (240) passes through the detection box (200) and extends to the detection box (2 00), and the end of the connecting wire (240) is fixedly connected to the right side wall of the buzzer (210), a card slot (250) is provided at the bottom of the detection box (200), a second conductive head (260) is card-connected to the inner cavity of the card slot (250), a spiral wire (270) is fixedly connected to the top of the second conductive head (260), the top of the spiral wire (270) passes through the card slot (250) and extends to the inner cavity of the detection box (200), and the top of the spiral wire (270) is fixedly connected to the bottom of the buzzer (210).

2. A highly safe electrical measuring device according to claim 1, characterized in that: The inner cavity of the hand-held rod (100) is slidably connected to an extension rod (110), and both the hand-held rod (100) and the extension rod (110) are made of polyethylene material.

3. A highly safe electrical measuring device according to claim 2, characterized in that: Slots (120) are provided on the left and right sides of the top of the extension rod (110).

4. A highly safe electrical measuring device according to claim 1, characterized in that: A fixing block (130) is fixedly connected to the right side of the top of the hand-held rod (100), and a spring (140) is fixedly connected to the top of the inner cavity of the fixing block (130).

5. A highly safe electrical measuring device according to claim 4, characterized in that: The inner cavity of the spring (140) is sleeved with a latch (150).

6. A highly safe electrical measuring device according to claim 1, characterized in that: A through hole (280) is provided on the top of the detection box (200).

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