Distance measuring device

Abstract

The utility model discloses a distance measuring device, and belongs to the technical field of measurement. The distance measuring device comprises a push rod, rollers, a power generation mechanism and an energy storage mechanism. The roller is rotatably connected with the push rod; the power generation mechanism is assembled on the push rod, is connected with the roller and can generate electric energy along with rotation of the roller; the energy storage mechanism is assembled on the push rod and electrically connected with the power generation mechanism. The distance measuring device adopts the power generation mechanism to supplement electric energy, so that the working time can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measurement, in particular to a measuring device. BACKGROUND

[0002] The roller range finder is a kind of instrument for measuring distance, and it detects the number of pulses by the switch change generated when the wheel rotates on the ground, and calculates the distance by calculating the wheel circumference and the number of holes.Currently, the roller range finder is configured with energy storage battery to power the components required (such as display screen etc.).However, the capacity of the current energy storage battery is limited, and it cannot support long time and long distance measurement.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the utility model and should not be regarded as an acknowledgment or any form of suggestion that this information forms prior art that is commonly known by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of measuring device, which can effectively prolong working time by using power generation mechanism.

[0005] To achieve the above object, the embodiment of the utility model provides a kind of range finding device, comprising:

[0006] Push rod;

[0007] Roller, rotatably connected with the push rod;

[0008] Power generation mechanism, assembled in the push rod and connected with the roller, and can generate electric energy along with the rotation of roller;

[0009] Energy storage mechanism, assembled in the push rod and electrically connected with the power generation mechanism.

[0010] In one or more embodiments of the utility model, the power generation mechanism includes generator, and the roller is rotatably connected with the push rod by the generator.

[0011] In one or more embodiments of the utility model, the generator is assembled in the push rod, and the roller is connected with the rotating shaft of the generator.

[0012] In one or more embodiments of the utility model, the energy storage mechanism includes battery and charging circuit, and the battery is connected with the power generation mechanism by charging circuit.

[0013] In one or more embodiments of the utility model, the charging circuit includes

[0014] Rectifier circuit, configured to convert the electric energy generated by power generation mechanism into direct current;

[0015] A charging management chip is connected to the rectifier circuit and the battery and is configured to charge the battery with direct current. In one or more embodiments of the present application, the rolling wheel comprises

[0016] A wheel rim;

[0017] At least one spoke, one end of the spoke being connected to the wheel rim and the opposite end being rotatably connected to the push rod.

[0018] In one or more embodiments of the present application, the rolling wheel comprises one spoke.

[0019] In one or more embodiments of the present application, the power generation mechanism comprises a generator, the generator being assembled to the push rod, one end of the spoke being connected to the wheel rim and the opposite end being connected to a rotating shaft of the generator.

[0020] In one or more embodiments of the present application, a support member is rotatably arranged on the push rod.

[0021] In one or more embodiments of the present application, the push rod comprises a first housing, a second housing and a rod, the first housing and the second housing enclosing a receiving space, and the rod being connected to the first housing and / or the second housing.

[0022] Compared with the prior art, the distance measuring device according to the embodiments of the present application charges the energy storage mechanism thereon by using the power generation mechanism, so that the energy storage mechanism can provide power for the power-consuming components (such as a display screen and the like) for a long time, and the power-consuming components can work for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a front view of the distance measuring device according to an embodiment of the present application;

[0024] Figure 2 is Figure 1 an exploded view of the distance measuring device.

[0025] MAIN REFERENCE NUMERALS:

[0026] 10-rolling wheel, 10a-wheel rim, 10b-spoke, 20-push rod, 20a-first housing, 20b-second housing, 20c-rod, 30-power generation mechanism, 31-generator, 40-energy storage mechanism, 50-support member. DETAILED DESCRIPTION

[0027] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the scope of protection of the present application is not limited by the specific embodiments.

[0028] Unless otherwise clearly indicated, throughout the specification and claims, the terms "including", "includes" or "include" are not limited. The terms "comprising", "comprises" or "comprise" are not limiting to the means enumerated, but rather include process steps and / or components of hardware and / or software, unrecited others, as well as equivalents thereof.

[0029] As shown in Figures 1 to 2 A roller type distance measuring device according to the preferred embodiment of the present application, by adopting the power generation mechanism 30 to charge the energy storage mechanism 40, the energy storage mechanism 40 can provide power for a long time for power-consuming components (such as display screen, etc.), so that the distance measuring device can work for a long time, that is, the roller type distance measuring device can effectively prolong its working time by adopting the power generation mechanism 30.

[0030] Specifically, in combination with Figure 1 and Figure 2 As shown, the distance measuring device includes a roller 10, a push rod 20, a power generation mechanism 30 and an energy storage mechanism 40. Among them, the roller 10 is assembled on the push rod 20 and can rotate relative to the push rod 20 around the rotation axis. The power generation mechanism 30 is assembled on the push rod 20 and can cooperate with the roller 10 to generate electric energy, that is, the power generation mechanism 30 can generate electric energy with the rotation of the roller 10. The energy storage mechanism 40 is assembled on the push rod 20 and is electrically connected with the power generation mechanism 30, the energy storage mechanism 40 is used to store the electric energy generated by the power generation mechanism 30 on one hand, and to provide electric energy for power-consuming components on the other hand.

[0031] In this embodiment, the push rod 20 includes a first housing 20a, a second housing 20b and a rod 20c, the first housing 20a and the second housing 20b enclose a containing space to accommodate the power generation mechanism, the energy storage mechanism, etc. The rod 20c is used for the user to hold, which is connected with the first housing 20a and / or the second housing 20b.

[0032] Further, the power generation mechanism 30 includes a generator 31. In this embodiment, the roller 10 is rotatably connected with the push rod 20 through the generator 31, that is, the generator 31 is assembled on the push rod 20, and the rotating shaft of the generator 31 is fixedly connected with the roller 10. When the roller 10 rotates relative to the push rod 20, the roller 10 drives the rotating shaft of the generator 31 to rotate, and then makes the generator 31 work to generate electric energy. Of course, in other embodiments, the generator 31 can also be fixed on the push rod 20 according to actual needs, the rotating shaft of the generator 31 is in contact with the roller 10 through other wheels, and the roller 10 drives the wheels to rotate in the process of rotation, so that the generator 31 generates electric energy.

[0033] Further, as shown in Figure 1As shown, the rolling wheel 10 comprises a wheel rim 10a and at least one spoke 10b. One end of the spoke 10b is connected with the wheel rim 10a, and the other end is rotatably connected with the push rod 20. In a specific implementation, one end of the spoke 10b is connected with the wheel rim 10a, and the opposite end is fixedly connected with the rotating shaft of the generator 31.

[0034] In the embodiment, the rolling wheel 10 comprises one spoke 10b. The single spoke 10b can reduce the cost, weight, and the like.

[0035] Further, the energy storage mechanism 40 comprises a battery and a charging circuit. The battery is electrically connected with the power generation mechanism 30 through the charging circuit, and the electric energy generated by the power generation mechanism 30 is stored into the battery through the charging circuit.

[0036] In the embodiment, the charging circuit comprises a rectifier circuit and a charging management chip. The power generation mechanism 30 is electrically connected with the charging management chip through the rectifier circuit, and the charging management chip is further electrically connected with the battery. The rectifier circuit is configured to convert the electric energy generated by the power generation mechanism 30 into direct current, and the charging management chip further charges the direct current into the battery.

[0037] In combination with Figure 1 and Figure 2 As shown, the distance measuring device further comprises a support 50, which is rotatably arranged on the push rod 20, and the support 50 is configured to support the rolling wheel 10 and the push rod 20 as a whole. The support 50 can be rotated relative to the push rod 20 to at least a supporting position and a storage position. When the support 50 is located at the supporting position, the support 50 can support the rolling wheel 10 and the push rod 20 as a whole, so as to facilitate the storage of the distance measuring device. When the support 50 is located at the storage position, the rolling wheel 10 can be pushed by the push rod 20 to measure the distance.

[0038] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to be limiting as to the scope of the present application. These descriptions are not intended to limit the application to the precise forms or particular fields of use disclosed. As such, many modifications and variations are possible in light of the above teachings without departing from the intended application. It is thus intended that the scope of the application be limited only by the claims and equivalents thereof.

Claims

1. A ranging device, characterized by, The application relates to a power generation device, comprising: a push rod; a roller rotatably connected to the push rod; a power generation mechanism arranged on the push rod and connected to the roller, and capable of generating electric energy when the roller rotates, wherein the power generation mechanism comprises a power generator fixed to the push rod, and a rotating shaft of the power generator is in contact with the roller through a wheel; a power storage mechanism arranged on the push rod and electrically connected to the power generation mechanism.

2. The ranging device of claim 1, wherein, The power storage mechanism comprises a battery and a charging circuit, and the battery is connected to the power generation mechanism through the charging circuit.

3. The ranging device of claim 2, wherein, The charging circuit comprises a rectifier circuit configured to convert electric energy generated by the power generation mechanism into direct current; a charging management chip connected to the rectifier circuit and the battery, and configured to charge the battery with the direct current.

4. The ranging device of claim 1, wherein, The roller comprises a rim; at least one spoke, one end of the spoke being connected to the rim, and the opposite end being rotatably connected to the push rod.

5. The ranging device of claim 4, wherein, The roller comprises one spoke.

6. The ranging device of claim 1, wherein, The application further comprises a support rotatably arranged on the push rod.

7. The ranging device of claim 1, wherein, The push rod comprises a first shell, a second shell and a rod, the first shell and the second shell form an accommodation space, and the rod is connected to the first shell and / or the second shell.

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