Electricity approaching early warning device for ladder and ladder with electricity approaching early warning device
By installing a ladder proximity warning device at the top of the ladder, the problem of the ladder's inability to sense high voltage is solved, achieving a safe and reliable high voltage warning. It is also aesthetically pleasing and easy to use.
Patent Information
- Application Number
- CN202423036531.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing ladders cannot effectively detect high-voltage electricity during power and communication construction, posing a safety hazard. Furthermore, existing proximity warning devices are inconvenient to use when bundled with ladders and are easily damaged.
Design a ladder proximity warning device, including a top cover, a circuit board and a base, which is fixed to the top rung of the ladder with screws. The circuit board is equipped with an antenna, a buzzer and a stop switch. The antenna passes through the rung and protrudes a certain length to realize high voltage warning.
It features a high-voltage warning function at the top of the ladder, is aesthetically pleasing, easy to use, safe and reliable, and solves safety problems in power and communication construction.
Smart Images

Figure CN223582548U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of electric power safety technology, especially a near electric early warning device, specifically a near electric early warning device for ladder and the ladder for electric power communication construction with the early warning device is installed. BACKGROUND
[0002] At present, near electric early warning device is a kind of safety supplies that electric power construction personnel must be equipped with, existing near electric early warning device has head-mounted and wristwatch type two structures, head-mounted near electric early warning device is installed in the safety helmet of personnel in construction or entering construction site, wristwatch type is usually worn on the wrist of entering electric power construction personnel, and at present, head-mounted is mainly used.The shape of head-mounted near electric early warning device is mostly gourd-shaped streamline structure, and it is beautiful in appearance and convenient to use.
[0003] It is known that when electric power, communication line on electric pole is overhauled and maintained, metal ladder is usually used, at this time, if line is electrified or has high voltage, ladder will generate electrification or induction current after being leaned on, and personnel will cause accident without attention, and existing ladder does not have high voltage early warning function, for this reason, some construction personnel has considered that ordinary near electric early warning device is used with construction ladder, although it can play a certain warning role, but it is temporary measure after all, and it is inconvenient to connect, easy to damage, not beautiful, and difficult to use, therefore, near electric early warning device capable of being conveniently installed on the top of construction ladder must be designed to solve construction demand. UTILITY MODEL CONTENTS
[0004] The utility model aims at the problem that detection ladder cannot sense high voltage in electric power communication construction and easily form safety hazard, designs a kind of near electric early warning device for ladder, and simultaneously designs a kind of corresponding construction ladder.
[0005] One of the technical solutions of the utility model is:
[0006] A near electric early warning device for ladder, it includes upper cover 1, circuit board 2 and base 3, circuit board 2 is installed and positioned in upper cover 1 and base 3, and its characteristics are that: the upper cover 1 is equipped with antenna hole 4 for the antenna on the circuit board 2 to pass out, the base 3 is equipped with connecting lug 5 for being fixedly connected with the top crosspiece of ladder, the connecting lug is equipped with screw mounting hole 6, its inside is equipped with buzzer positioning ring 8 for installing the buzzer connected with the circuit board 2, the bottom of buzzer positioning ring 8 is equipped with sound hole 9, and gear hole 10 for the gear dial switch on the circuit board 2 to pass out is also equipped on the base 3.
[0007] The upper cover 1 is equipped with limiting boss 7 for limiting the circuit board 2.
[0008] The lower surface of the base 3 is flat or curved surface structure matched with the lower surface of the top crosspiece of ladder.
[0009] The base 3 is provided with connecting studs 11 around the periphery.
[0010] The second technical scheme of the utility model discloses a kind of:
[0011] A power communication construction ladder for installing ladder near electric early warning device, including ladder leg 12 and crosspiece 13, it is characterized in that: the lower part of the uppermost crosspiece 13 is installed in ladder near electric early warning device 14, the base 3 of ladder near electric early warning device 14 is fixed on the lower surface of the uppermost crosspiece 13 by screw, the main part of ladder near electric early warning device 14 is located in the hollow inner cavity of the crosspiece 13, the antenna 15 of ladder near electric early warning device 14 passes through the crosspiece 13, and waterproof sealant is coated at the position of penetration.
[0012] The utility model has the advantages of:
[0013] The utility model solves the market urgent need, appearance is beautiful, convenient to use, safe and reliable.
[0014] The utility model has the advantages of simple structure, convenient installation, and solving the safety problem of power communication construction ladder. DRAWINGS
[0015] Figure 1 It is the perspective view of the utility model.
[0016] Figure 2 It is the perspective view of the utility model.
[0017] Figure 3 It is Figure 2 A-A sectional view.
[0018] Figure 4 It is the perspective view of the upper cover of the utility model.
[0019] Figure 5 It is the perspective view of the upper cover of the utility model.
[0020] Figure 6 It is the perspective view of the base of the utility model.
[0021] Figure 7 It is the perspective view of the base of the utility model.
[0022] Figure 8 It is the structure schematic view of ladder for installing ladder near electric early warning device of the utility model. DETAILED DESCRIPTION
[0023] The utility model will be further described below in connection with drawings and examples.
[0024] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions that can be implemented by the utility model, so they do not have substantial technical significance, and any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope covered by the technical content disclosed by the utility model. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, and are not used to limit the implementable range, and the change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the implementable scope of the utility model.
[0025] Embodiment one.
[0026] As shown in Figures 1-7 .
[0027] A near electric early warning device for ladder, which comprises a cover 1, a circuit board 2 and a base 3, the circuit board 2 is installed and positioned in the cover 1 and the base 3, as shown in Figure 3 , the structure and circuit of the circuit board 2 are the same as those of the existing head-mounted near electric early warning device, and a buzzer, a gear switch, a replaceable button cell, an antenna and the like are installed thereon, the length of the antenna of the utility model should be greater than that of the head-mounted near electric early warning device, and the purpose is to pass through the top crosspiece of the ladder and expose a certain length (such as 5 cm). The cover 1 is provided with an antenna hole 4 (as shown in Figure 5 ) for the antenna on the circuit board 2 to pass out, and the inside of the cover 1 is provided with a limiting boss 7 (as shown in Figure 4 ) for limiting the circuit board 2. The base 3 is provided with a connecting lug 5 (as shown in Figure 6 , 7 ) for being fixedly connected with the top crosspiece of the ladder, the connecting lug is provided with a screw mounting hole 6, and the inside of the connecting lug is provided with a buzzer positioning ring 8 (as shown in Figure 7 ) for installing the buzzer connected with the circuit board 2, and the bottom of the buzzer positioning ring 8 is provided with a sound outlet hole 9; the base 3 is also provided with a gear hole 10 for the gear switch on the circuit board 2 to pass out. The lower surface of the base 3 is a plane shape (as shown in Figure 6 , 7 ) matched with the lower surface of the top crosspiece of the ladder, and can also be a matching curved surface structure. The periphery of the base 3 is provided with a connecting stud 11 (as shown in Figure 7 ), and the cover and the base can be connected into a whole by rotating the connecting stud 11 into the connecting stud 11 through the through hole 16 of the cover 1 with a small screw, then the base is fixed on the crosspiece at the uppermost end of the ladder by a larger screw passing through the screw mounting hole 6, so as to realize the fixation of the near electric early warning device of the utility model on the ladder. The assembly structure of the utility model is as shown in Figure 1 ,2 as shown.
[0028] Example two.
[0029] As Figure 8 shown.
[0030] A power communication construction ladder with a near electric pre-warning device, comprising a ladder leg 12 and a crosspiece 13, the lower part of the uppermost crosspiece 13 is provided with a near electric pre-warning device 14, the base 3 of the near electric pre-warning device 14 is fixed on the lower surface of the uppermost crosspiece 13 by screws, the main body of the near electric pre-warning device 14 is located in the hollow inner cavity of the crosspiece 13, the antenna 15 of the near electric pre-warning device 14 penetrates through the crosspiece 13, and the penetrating position is coated with waterproof sealing glue.
[0031] The ladder of the embodiment can be of fixed height or of telescopic structure, and is provided with anti-skid blocks at the lower end and anti-skid pads with arc-shaped notches at the upper end.
[0032] The above embodiment is only a preferred embodiment of the present application, and it should be pointed out that: for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and equivalent replacement, these to the present application claims for improvement and equivalent replacement of the technical scheme, all fall within the scope of the present application.
[0033] The parts not involved in the present application are the same as the prior art or can be realized by using the prior art.
Claims
1. A proximity warning device for elevators, comprising a top cover (1), a circuit board (2), and a base (3), wherein the circuit board (2) is mounted and positioned within the top cover (1) and the base (3), characterized in that: The top cover (1) is provided with an antenna hole (4) through which the antenna on the circuit board (2) passes. The base (3) is provided with a connecting ear (5) for fixed connection with the top rung of the ladder. The connecting ear is provided with a screw mounting hole (6). Inside it is a buzzer positioning ring (8) for mounting a buzzer connected to the circuit board (2). The bottom of the buzzer positioning ring (8) is provided with a sound outlet hole (9). The base (3) is also provided with a gear hole (10) through which the gear toggle switch on the circuit board (2) passes.
2. The elevator proximity warning device according to claim 1, characterized in that: The upper cover (1) is provided with a limiting boss (7) inside to limit the circuit board (2).
3. The elevator proximity warning device according to claim 1, characterized in that: The lower surface of the base (3) is a planar or curved structure that matches the lower surface of the top rung of the ladder.
4. The elevator proximity warning device according to claim 1, characterized in that: The base (3) is provided with connecting studs (11) around its perimeter.
5. A power communication construction ladder equipped with the proximity warning device for ladders as described in claim 1, comprising ladder legs (12) and rungs (13), characterized in that: The lower part of the uppermost crossbar (13) is installed on the elevator proximity warning device (14). The base (3) of the elevator proximity warning device (14) is fixed to the lower surface of the uppermost crossbar (13) by screws. The main body of the elevator proximity warning device (14) is located in the hollow cavity of the crossbar (13). The antenna (15) of the elevator proximity warning device (14) passes through the crossbar (13), and the protruding part is coated with waterproof sealant.