CN211293075U

CN211293075U - Internal resistance measuring device for direct current stabilized power supply

Info

Publication number: CN211293075U
Application number: CN201921981832.0U
Authority: CN
Inventors: 杨平; 张航
Original assignee: Tianjin Rui Yi Electronics Co ltd
Current assignee: Tianjin Rui Yi Electronics Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-18
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a direct current constant voltage power supply internal resistance measuring device, including internal resistance measuring device body and the outside shell of internal resistance measuring device body that sets up, place the outside one side of internal resistance measuring device body in the shell and be provided with the box of placing various wiring, place the dorsal part of internal resistance measuring device body in the shell and be provided with the advancing mechanism who carries out the removal to the internal resistance measuring device body. The utility model relates to a direct current constant voltage power supply internal resistance measuring device, when using internal resistance measuring device body to measure the power internal resistance, open the cap and steadily place the shell, then shift out placing the box from the shell in, twist to revolve and twist to overlap and drive the threaded rod and rotate, the threaded rod rotation and then drive the screw thread section of thick bamboo rather than threaded connection and remove along the threaded rod, the screw thread section of thick bamboo removes and promotes internal resistance measuring device body and takes place the motion, until remove internal resistance measuring device body to the notch looks parallel and level with the shell, can measure the power internal resistance through the internal resistance measuring device body at this moment.

Description

Internal resistance measuring device for direct current stabilized power supply

Technical Field

The utility model relates to an internal resistance measuring device specifically is a direct current constant voltage power supply internal resistance measuring device.

Background

The internal resistance of the DC stabilized power supply can reflect the performance of the power supply, the DC stabilized power supply with smaller internal resistance has stronger load driving capability, the internal resistance of the DC stabilized power supply is larger, and the power consumption of the DC stabilized power supply is correspondingly increased. In addition, the internal resistance of the failed regulated power supply is necessarily changed along with the change of the internal circuit structure of the power supply or the performance of the element. The fault source can be indirectly known by measuring the internal resistance of the direct-current stabilized power supply. Therefore, the method has important significance in measuring the internal resistance of the direct current stabilized power supply.

Most of the current direct current stabilized voltage power supply internal resistance measuring devices are directly placed on an operation table, dust is easily accumulated on a display screen on the direct current stabilized voltage power supply internal resistance measuring devices, the direct current stabilized voltage power supply internal resistance measuring devices are easily broken when being collided by external objects, and wiring on the internal resistance measuring devices is mostly stored separately from the direct current stabilized voltage power supply internal resistance measuring devices, so that the possibility of loss is possibly caused. Therefore, we improve the above and provide a device for measuring the internal resistance of a DC stabilized power supply.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a direct current constant voltage power supply internal resistance measuring device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a direct current stabilized voltage supply internal resistance measuring device, which comprises an internal resistance measuring device body and a shell arranged outside the internal resistance measuring device body, a placing box for placing various wiring is arranged at one side of the outer shell which is arranged in the inner resistance measuring device body, a propelling mechanism which moves the internal resistance measuring device body is arranged at the back side of the internal resistance measuring device body arranged in the shell, one end of the propulsion mechanism penetrates through the shell and is arranged outside the shell, the top end of the inner cavity of the shell is positioned at the top of the internal resistance measuring device body and is provided with a heat dissipation mechanism for dissipating heat of the internal resistance measuring device body, the heat dissipation mechanism comprises an air blower, a rectangular fixing frame and a plurality of air guide pipes, the fixing frame is fixedly connected with the shell, the air guide pipes are arranged in the fixing frame at equal intervals, and the air blower is arranged at the top end of the shell.

As an optimal technical scheme of the utility model, a plurality of be linked together through a plurality of connecting pipe between the guide duct respectively, just a plurality of air vent, one of them have been seted up to the bottom equidistance of guide duct the top of connecting pipe is provided with the wind scooper, the one end of wind scooper is linked together with the air outlet of air-blower.

As the utility model discloses a preferred technical scheme, advancing mechanism includes threaded rod and a screw thread section of thick bamboo, the activity of a screw thread section of thick bamboo sets up at the dorsal middle part of internal resistance measuring device body, the one end of threaded rod cooperatees and arranges in a screw thread section of thick bamboo, the other end of threaded rod passes through the bearing and is connected with the shell rotation.

As a preferred technical scheme of the utility model, the other end of threaded rod passes shell fixedly connected with and revolves wrong cover, the outside of revolving wrong cover cooperatees and is provided with the rubber sleeve.

As a preferred technical scheme of the utility model, the inner chamber of placing the box separates into a plurality of standing groove through the baffle, just place the positive middle part of box and be provided with the notch that carries out the pulling to placing the box.

As an optimal technical scheme of the utility model, the front of shell cooperatees and is provided with the cap, the one end of cap is passed through the hinge and is articulated with the shell, the other end of cap is through two hasps and shell overlap joint.

As an optimal technical scheme of the utility model, the both sides that lie in the cap on the shell are provided with the single shoulder braces, the back shoulder department of single shoulder braces is provided with flexible sponge.

The utility model has the advantages that: when the internal resistance measuring device body is used for measuring the internal resistance of a power supply, the shell cover is opened and the shell is stably placed, then the placing box is pulled to move out of the shell, the screwing sleeve is screwed to drive the threaded rod to rotate, the threaded rod rotates to drive the threaded barrel in threaded connection with the threaded rod to move along the threaded rod, the threaded barrel moves to push the internal resistance measuring device body to move until the internal resistance measuring device body is moved to be level with the notch of the shell, the internal resistance of the power supply can be measured through the internal resistance measuring device body, the internal resistance measuring device body can be protected through the arranged shell, the possibility that the internal resistance measuring device body is damaged is reduced, and different types of connecting wires can be conveniently stored and stored together with the internal resistance measuring device body through the arranged plurality of placing grooves, the possibility of losing the wiring is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a dc regulated power supply internal resistance measuring device of the present invention;

fig. 2 is a schematic structural diagram of the placement box of the internal resistance measuring device of the dc regulated power supply and the internal resistance measuring device body of the present invention, both placed in the housing;

fig. 3 is a structural schematic diagram of a heat dissipation mechanism of the internal resistance measuring device of the dc regulated power supply of the present invention.

In the figure: 1. an internal resistance measuring device body; 2. a housing; 3. placing the box; 4. a propulsion mechanism; 401. a threaded rod; 402. a threaded barrel; 403. screwing the sleeve; 5. a heat dissipation mechanism; 501. a blower; 502. a fixing frame; 503. an air guide pipe; 6. a connecting pipe; 7. a wind scooper; 8. a placement groove; 9. a shell cover; 10. a single shoulder harness.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in FIG. 1, FIG. 2 and FIG. 3, the internal resistance measuring device of DC regulated power supply of the present invention comprises an internal resistance measuring device body 1 and a casing 2 disposed outside the internal resistance measuring device body 1, wherein a placing box 3 for placing various wiring is disposed at one side of the internal resistance measuring device body 1 in the casing 2, a pushing mechanism 4 for moving the internal resistance measuring device body 1 is disposed at the back side of the internal resistance measuring device body 1 in the casing 2, one end of the pushing mechanism 4 is disposed outside the casing 2 through the casing 2, a heat dissipating mechanism 5 for dissipating heat from the internal resistance measuring device body 1 is disposed at the top of the internal cavity of the casing 2 at the top of the internal resistance measuring device body 1, the heat dissipating mechanism 5 comprises an air blower 501, a rectangular fixing frame 502 and a plurality of air guiding pipes 503, the fixing frame 502 is fixedly connected with the casing 2, the plurality of air guiding pipes 503 are respectively disposed in the, the blower 501 is provided at the top end of the housing 2.

The air guide pipes 503 are respectively communicated with each other through the connecting pipes 6, the bottom ends of the air guide pipes 503 are provided with a plurality of vent holes at equal intervals, the top end of one of the connecting pipes 6 is provided with an air guide cover 7, one end of the air guide cover 7 is communicated with an air outlet of the air blower 501, the air blower 501 is electrically connected with a power supply in the internal resistance measuring device body 1 through a fan switch arranged on the shell 2, the air blower 501 blows air into the air guide pipes 503 when working, the air guide pipes 503 blow the air to the surface of the internal resistance measuring device body 1 through the vent holes, the mobility of air near the internal resistance measuring device body 1 is accelerated, and the heat dissipation effect of the internal resistance measuring device body 1 is improved.

The pushing mechanism 4 comprises a threaded rod 401 and a threaded cylinder 402, the threaded cylinder 402 is movably arranged in the middle of the back side of the internal resistance measuring device body 1, one end of the threaded rod 401 is matched and arranged in the threaded cylinder 402, the other end of the threaded rod 401 is rotatably connected with the shell 2 through a bearing, the other end of the threaded rod 401 penetrates through the shell 2 and is fixedly connected with a screwing sleeve 403, a rubber sleeve is arranged outside the screwing sleeve 403 in a matched mode, when the internal resistance measuring device body 1 is used, the placing box 3 is taken out of the shell 2, and then the screwing sleeve 403 is screwed to drive the threaded rod 401 to rotate. The threaded rod 401 rotates to drive the threaded cylinder 402 in threaded connection with the threaded rod 401 to move along the threaded rod 401, and the threaded cylinder 402 moves to push the internal resistance measuring device body 1 to move until the internal resistance measuring device body 1 moves to be flush with the notch of the shell 2.

Wherein, the inner chamber of placing box 3 separates into a plurality of standing groove 8 through the baffle, and places the positive middle part of box 3 and be provided with and carry out the notch that stimulates placing box 3, through a plurality of standing grooves 8 that are equipped with, is convenient for classify and deposit different types of wiring, reduces the possibility of losing.

Wherein, the front of shell 2 cooperatees and is provided with cap 9, and the one end of cap 9 is passed through the hinge and is articulated with shell 2, and the other end of cap 9 passes through two hasps and 2 overlap joints of shell, through cap 9, can realize carrying out the closure to shell 2, when this measuring device, prevents to place box 3 and takes place to drop from in the shell 2.

Wherein, the both sides that lie in cap 9 on the shell 2 are provided with single shoulder braces 10, and the back shoulder department of single shoulder braces 10 is provided with flexible sponge, through the single shoulder braces 10 that are equipped with, is convenient for carry this measuring device, through the flexible sponge that is equipped with, can reduce the wearing and tearing of single shoulder braces 10 to human shoulder.

The working principle is as follows: when the internal resistance of the power supply is measured by using the internal resistance measuring device body 1, the case cover 9 is opened and the case 2 is placed stably, then the placing box 3 is moved out of the case 2 by pulling the notch, and the screw sleeve 403 is screwed to drive the threaded rod 401 to rotate. The threaded rod 401 rotates to drive the threaded cylinder 402 in threaded connection with the threaded rod 401 to move along the threaded rod 401, the threaded cylinder 402 moves to push the internal resistance measuring device body 1 to move until the internal resistance measuring device body 1 moves to be flush with the notch of the shell 2, at this time, the internal resistance of the power supply can be measured through the internal resistance measuring device body 1, the air blower 501 is turned on in the working process of the internal resistance measuring device body 1, the air blower 501 works to blow air into the air guide pipe 503, the air guide pipe 503 blows air to the surface of the internal resistance measuring device body 1 through the vent hole, the mobility of air near the internal resistance measuring device body 1 is accelerated, and the heat dissipation effect of the internal resistance measuring device body 1 is improved.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a direct current constant voltage power supply internal resistance measuring device, includes internal resistance measuring device body (1) and sets up at the outside shell (2) of internal resistance measuring device body (1), its characterized in that, place internal resistance measuring device body (1) outside one side in shell (2) and be provided with and place box (3) of placing that place various wiring, the dorsal part of placing internal resistance measuring device body (1) in shell (2) is provided with advancing mechanism (4) that removes internal resistance measuring device body (1), the one end of advancing mechanism (4) is passed shell (2) and is arranged in its outside in, the top that the top of shell (2) inner chamber is located internal resistance measuring device body (1) is provided with carries out radiating heat dissipation mechanism (5) to internal resistance measuring device body (1), heat dissipation mechanism (5) include air-blower (501), The air-conditioner comprises a rectangular fixing frame (502) and a plurality of air guide pipes (503), wherein the fixing frame (502) is fixedly connected with the shell (2), the air guide pipes (503) are respectively arranged in the fixing frame (502) at equal intervals, and the air blower (501) is arranged at the top end of the shell (2).

2. The direct-current stabilized power supply internal resistance measuring device according to claim 1, wherein a plurality of the air guide pipes (503) are respectively communicated through a plurality of connecting pipes (6), a plurality of vent holes are formed in the bottom ends of the air guide pipes (503) at equal intervals, an air guide cover (7) is arranged at the top end of one of the connecting pipes (6), and one end of the air guide cover (7) is communicated with an air outlet of the air blower (501).

3. The direct-current stabilized power supply internal resistance measuring device according to claim 1, wherein the pushing mechanism (4) comprises a threaded rod (401) and a threaded cylinder (402), the threaded cylinder (402) is movably arranged in the middle of the back side of the internal resistance measuring device body (1), one end of the threaded rod (401) is matched and arranged in the threaded cylinder (402), and the other end of the threaded rod (401) is rotatably connected with the housing (2) through a bearing.

4. The device for measuring the internal resistance of the direct-current stabilized power supply according to claim 3, wherein a screwing sleeve (403) is fixedly connected to the other end of the threaded rod (401) penetrating through the shell (2), and a rubber sleeve is arranged outside the screwing sleeve (403) in a matching manner.

5. The device for measuring the internal resistance of the direct-current stabilized power supply according to claim 1, wherein the inner cavity of the placing box (3) is divided into a plurality of placing grooves (8) by partition plates, and a notch for pulling the placing box (3) is arranged in the middle of the front surface of the placing box (3).

6. The direct-current stabilized power supply internal resistance measuring device according to claim 1, characterized in that a cover (9) is arranged on the front surface of the housing (2) in a matching manner, one end of the cover (9) is hinged with the housing (2) through a hinge, and the other end of the cover (9) is overlapped with the housing (2) through two buckles.

7. The direct-current stabilized power supply internal resistance measuring device according to claim 6, wherein single shoulder straps (10) are arranged on the casing (2) and positioned on two sides of the casing cover (9), and flexible sponges are arranged on the back shoulders of the single shoulder straps (10).