CN111681932A - Universal meter safety device capable of automatically replacing fuse - Google Patents

Universal meter safety device capable of automatically replacing fuse Download PDF

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Publication number
CN111681932A
CN111681932A CN202010745495.6A CN202010745495A CN111681932A CN 111681932 A CN111681932 A CN 111681932A CN 202010745495 A CN202010745495 A CN 202010745495A CN 111681932 A CN111681932 A CN 111681932A
Authority
CN
China
Prior art keywords
fixedly connected
fuse
wheel
safety device
multimeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010745495.6A
Other languages
Chinese (zh)
Inventor
谢梦欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Yaoman Technology Co ltd
Original Assignee
Guangzhou Yaoman Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Yaoman Technology Co ltd filed Critical Guangzhou Yaoman Technology Co ltd
Priority to CN202010745495.6A priority Critical patent/CN111681932A/en
Publication of CN111681932A publication Critical patent/CN111681932A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/26—Magazine arrangements
    • H01H85/28—Magazine arrangements effecting automatic replacement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0266—Structural association with a measurement device, e.g. a shunt

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuses (AREA)

Abstract

The invention relates to the technical field of safety devices and discloses a safety device for a universal meter, which can automatically replace a fuse. This can automatic change safeties for universal meter of fuse makes the motor rotate through the current fuse damages, and the motor drives the action wheel and rotates, and the action wheel drives from the driving wheel rotation, drives the fuse frame rotation from the driving wheel, and the driving wheel drives the gear rotation simultaneously, and the gear drives the drive wheel rotation, and rethread drive wheel uses with the cooperation of turning over the claw to the effect that can automated inspection safeties has been reached.

Description

Universal meter safety device capable of automatically replacing fuse
Technical Field
The invention relates to the technical field of safety devices, in particular to a safety device for a multimeter, which can automatically replace a fuse.
Background
The universal meter is a multipurpose electronic measuring instrument, also called universal meter, multipurpose meter, etc., and can measure direct current, direct voltage, alternating current, alternating voltage, resistance and audio level, etc., and is mainly used in the measuring fields of physics, electricity, electronics, etc., and in order to prevent the damage of equipment caused by measuring voltage by using current level, the universal meter is internally provided with a safety device.
The out-of-work back of current universal meter needs the manual work to disassemble the universal meter, and disassembling of universal meter is comparatively troublesome, must use supporting instrument moreover, still needs to detect the fuse in the safeties simultaneously, has judged where to go out the problem, and is consuming time long, uses inconveniently.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the fuse device for the universal meter, which can automatically replace the fuse, has the advantages of automatic detection of the fuse device, automatic replacement of the fuse, simple use and the like, and solves the problems of troublesome disassembly of the universal meter, inconvenient detection of the fuse device and long consumed time.
(II) technical scheme
In order to realize the purpose that the fuse device can automatically detect and replace the fuse automatically and is simple to use, the invention provides the following technical scheme: a fuse device for a universal meter capable of automatically replacing a fuse comprises a shell, wherein a transmission cavity is formed in the inner bottom of the shell, a motor is fixedly connected to the inner bottom of the transmission cavity, a driving wheel is fixedly connected to the front side of the motor, a driven wheel is fixedly connected to the top of the transmission cavity, a fuse frame is fixedly connected to the top of the driven wheel, a current fuse is fixedly connected to the inside of the fuse frame, a gear is fixedly connected to the inner bottom of the transmission cavity, a transmission wheel is connected to the left side of the gear in a transmission manner, a turning claw is connected to the top of the transmission wheel in a transmission manner, a receiving plate is slidably connected to the inner wall of the shell, a supporting spring is fixedly connected to the bottom of the receiving plate, a sliding rod is slidably connected to the inside of the receiving plate, a buffer spring is, the top fixedly connected with ejector pin of accepting the board, the right side swing joint of ejector pin has the connecting rod, the right side swing joint of connecting rod has the sliding door, the right side transmission of sliding door is connected with the direction door, the top fixedly connected with driving rope of ejector pin, the right side fixedly connected with slide of driving rope, the right side fixedly connected with reset spring of slide, the bottom swing joint of slide has the push rod, the left side swing joint of push rod has the jack catch.
Preferably, the fuse box is arranged at the top of the inner part of the shell and used for placing a new current fuse.
Preferably, the motor is connected with the current fuse in parallel through a wire, so that when the current fuse is damaged, the motor can rotate, and the damage of the safety device is prompted.
Preferably, the gear teeth are formed in one part of the outer side of the driving wheel, so that the driving wheel is enabled to only drive the driven wheel or the gear to rotate when rotating.
Preferably, a clockwork spring is fixedly connected inside the driving wheel, so that the mechanism returns to the original position.
Preferably, the top of the bearing plate is designed to be inclined, so that damaged current fuses can be collected conveniently.
Preferably, the baffle is movably connected to the top of the bearing plate, so that when the right side of the baffle swings downwards, the left side of the baffle can swing upwards.
Preferably, the top of the push door is fixedly connected with a pawl which is matched with a jaw to limit the swing of the push door.
(III) advantageous effects
Compared with the prior art, the invention provides the safety device for the universal meter, which can automatically replace the fuse, and has the following beneficial effects:
1. this can automatic change safeties for universal meter of fuse makes the motor rotate through the current fuse damages, and the motor drives the action wheel and rotates, and the action wheel drives from the driving wheel rotation, drives the fuse frame rotation from the driving wheel, and the driving wheel drives the gear rotation simultaneously, and the gear drives the drive wheel rotation, and rethread drive wheel uses with the cooperation of turning over the claw to the effect that can automated inspection safeties has been reached.
2. This can change safeties for universal meter of fuse automatically drives the ejector pin through accepting the board decline and descend, and the ejector pin drives the connecting rod decline, and the connecting rod drives the swing of sliding door, and the rethread sliding door uses with the cooperation of direction door to the effect that can automatic follow-up trade fuse has been reached.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic left side view of a structural fuse section of the present invention;
FIG. 3 is a partial schematic view of a structural bearing plate according to the present invention;
FIG. 4 is a schematic view of a portion of a shaft of the present invention construction;
FIG. 5 is an enlarged view of part A of the block diagram of FIG. 1.
In the figure: 1-shell, 2-transmission cavity, 3-motor, 4-driving wheel, 5-driven wheel, 6-safety frame, 7-current fuse, 8-gear, 9-transmission wheel, 10-turning claw, 11-bearing plate, 12-supporting spring, 13-sliding rod, 14-buffer spring, 15-baffle, 16-ejector rod, 17-connecting rod, 18-pushing door, 19-guiding door, 20-transmission rope, 21-sliding plate, 22-reset spring, 23-pushing rod and 24-claw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a fuse device for a multimeter capable of automatically replacing a fuse comprises a housing 1, the housing 1 is made of plastic and is light and insulated, a fuse box is arranged at the inner top of the housing 1 and is used for placing a new current fuse 7, a transmission cavity 2 is arranged at the inner bottom of the housing 1, a motor 3 is fixedly connected at the inner bottom of the transmission cavity 2, the motor 3 is connected with the current fuse 7 in parallel through a lead, when the current fuse 7 is damaged, the motor 3 can rotate to prompt that the fuse device is damaged, a driving wheel 4 is fixedly connected at the front of the motor 3, the driving wheel 4 is made of black nylon, has enough hardness and is not conductive, a part of the outer side of the driving wheel 4 is provided with gear teeth to ensure that the driving wheel 4 only drives a driven wheel 5 or a gear 8 to rotate when rotating, a clockwork spring is fixedly connected in the driving wheel 4 to, the top of the transmission cavity 2 is fixedly connected with a driven wheel 5, the top of the driven wheel 5 is fixedly connected with a safety frame 6, the inside of the safety frame 6 is fixedly connected with a current fuse 7, the inner bottom of the transmission cavity 2 is fixedly connected with a gear 8, the left side of the gear 8 is in transmission connection with a transmission wheel 9, the top of the transmission wheel 9 is in transmission connection with a turning claw 10, the inner wall of the shell 1 is in sliding connection with a bearing plate 11, the top of the bearing plate 11 is in inclined design so as to facilitate collection of the damaged current fuse 7, the bottom of the bearing plate 11 is fixedly connected with a supporting spring 12, the supporting spring 12 is made of 65Mn, the inside of the bearing plate 11 is in sliding connection with a sliding rod 13, the left side of the sliding rod 13 is fixedly connected with a buffer spring 14, the right side of the sliding rod 13 is movably connected with a baffle, the top fixedly connected with ejector pin 16 of accepting board 11, the right side swing joint of ejector pin 16 has connecting rod 17, the right side swing joint of connecting rod 17 has sliding door 18, the top fixedly connected with pawl of sliding door 18, use with jack catch 24 cooperation, the swing of restriction sliding door 18, the right side transmission of sliding door 18 is connected with direction door 19, the top fixedly connected with driving rope 20 of ejector pin 16, the right side fixedly connected with slide 21 of driving rope 20, the right side fixedly connected with reset spring 22 of slide 21, the bottom swing connection of slide 21 has push rod 23, the left side swing joint of push rod 23 has jack catch 24, jack catch 24 can restrict sliding door 18 and swing right.
The working principle is that when the fuse device is damaged, the current fuse 7 is broken to electrify the motor 3, the motor 3 is electrified and rotated, the motor 3 rotates to drive the driving wheel 4 to rotate, the driving wheel 4 rotates to drive the driven wheel 5 to rotate, only a part of gear teeth are arranged on the outer side of the driving wheel 4, the driving wheel 4 does not drive the gear 8 to rotate at the moment, the driven wheel 5 rotates to drive the fuse frame 6 to rotate, the fuse frame 6 rotates to drive the current fuse 7 to rotate into the jaw opening of the turning jaw 10, at the moment, the driven wheel 5 does not rotate along with the driving wheel 4, the gear 8 rotates to drive the driving wheel 9 to rotate, the driving wheel 9 rotates to drive the turning jaw 10 to rotate, the turning jaw 10 rotates to take the current fuse 7 out of the fuse frame 6, and the turning jaw 10 turns the, therefore, the current fuse 7 falls to the left side of the bearing plate 11, meanwhile, the current fuse 7 pushes the slide rod 13 to move leftwards, the slide rod 13 moves leftwards to drive the right end of the baffle plate 15 to swing downwards, the baffle plate 15 swings upwards at the left end under the action of the supporting point at the top of the bearing plate 11, the left end of the baffle plate 15 swings upwards to clamp the current fuse 7, so that the current fuse 7 cannot sway randomly, when a user opens the universal meter, the current fuse 7 is found to be broken on the bearing plate 11, meanwhile, the bearing plate 11 descends due to the gravity action of the current fuse 7, the bearing plate 11 descends to drive the ejector rod 16 to descend, the ejector rod 16 descends to drive the transmission rope 20 to descend, the transmission rope 20 descends to drive the sliding plate 21 to slide leftwards, the sliding plate 21 slides leftwards to drive the push rod 23 to move leftwards, the push rod 23 moves leftwards to drive the claw 24, the ejector rod 16 descends and simultaneously drives the left end of the connecting rod 17 to descend, the right end of the connecting rod 17 ascends under the action of a fulcrum on the inner wall of the shell 1, the right end of the connecting rod 17 ascends to drive the push door 18 to swing rightwards, the push door 18 swings rightwards to push the new current fuse 7 in the fuse box to move rightwards, meanwhile, the push door 18 drives the guide door 19 to swing, the guide door 19 swings to guide the new current fuse 7 into the fuse holder 6, the current fuse 7 short-circuits the motor 3, the motor 3 stops rotating, at the moment, the driving wheel 4 rotates to the original position under the action of the internal clockwork spring, the driving wheel 4 rotates to drive the gear 8 to rotate, the gear 8 rotates to drive the turning claw 10 to rotate through the driving wheel 9, the turning claw 10 rotates to press the current fuse 7 into the fuse holder 6, at the moment, the driven wheel 5 rotates along with the driving wheel 4, and the driven wheel 5 drives the fixing frame 6 to rotate, so that the fuse is replaced.
To sum up, this safeties for universal meter that can change fuse automatically makes motor 3 rotate through current fuse 7 damages, and motor 3 drives action wheel 4 and rotates, and action wheel 4 drives from the rotation of driving wheel 5, drives safety frame 6 rotation from driving wheel 5, and action wheel 4 drives gear 8 simultaneously and rotates, and gear 8 drives the drive wheel 9 and rotates, and rethread drive wheel 9 uses with turning over the cooperation of claw 10 to the effect that can automated inspection safeties has been reached. This can change safeties for universal meter of fuse automatically, through accepting board 11 decline drive ejector pin 16 and descend, ejector pin 16 drives connecting rod 17 and descends, and connecting rod 17 drives sliding door 18 swing, and rethread sliding door 18 uses with the cooperation of direction door 19 to reach the effect that can automatic follow the fuse of changing, application scope is more extensive.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a can change safeties for universal meter of fuse automatically, includes shell (1), its characterized in that: the inner bottom of the shell (1) is provided with a transmission cavity (2), the inner bottom of the transmission cavity (2) is fixedly connected with a motor (3), the front of the motor (3) is fixedly connected with a driving wheel (4), the top of the transmission cavity (3) is fixedly connected with a driven wheel (5), the top of the driven wheel (5) is fixedly connected with a safety frame (6), the inside of the safety frame (6) is fixedly connected with a current fuse (7), the inner bottom of the transmission cavity (2) is fixedly connected with a gear (8), the left side of the gear (8) is in transmission connection with a transmission wheel (9), the top of the transmission wheel (9) is in transmission connection with a turning claw (10), the inner wall of the shell (1) is in sliding connection with a bearing plate (11), the bottom of the bearing plate (11) is fixedly connected with a supporting spring (12), and the inside of the bearing plate (11) is in, the utility model discloses a sliding door, including slide bar (13), top fixedly connected with ejector pin (16) of accepting board (11), the right side swing joint of ejector pin (16) has connecting rod (17), the right side swing joint of connecting rod (17) has sliding door (18), the right side transmission of sliding door (18) is connected with direction door (19), the top fixedly connected with driving rope (20) of ejector pin (16), the right side fixedly connected with slide (21) of driving rope (20), the right side fixedly connected with reset spring (22) of slide (21), the bottom swing joint of slide (21) has push rod (23), the left side swing joint of push rod (23) has jack catch (24).
2. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the inner top of the shell (1) is provided with a fuse box.
3. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the motor (3) is connected with the current fuse (7) in parallel through a lead.
4. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: and one part of the outer side of the driving wheel (4) is provided with wheel teeth.
5. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the inside of the driving wheel (4) is fixedly connected with a clockwork spring.
6. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the top of the bearing plate (11) is designed to be inclined.
7. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the baffle (15) is movably connected to the top of the bearing plate (11).
8. The safety device for the multimeter, which can automatically replace the fuse according to claim 1, wherein: the top of the push door (18) is fixedly connected with a pawl.
CN202010745495.6A 2020-07-29 2020-07-29 Universal meter safety device capable of automatically replacing fuse Withdrawn CN111681932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010745495.6A CN111681932A (en) 2020-07-29 2020-07-29 Universal meter safety device capable of automatically replacing fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010745495.6A CN111681932A (en) 2020-07-29 2020-07-29 Universal meter safety device capable of automatically replacing fuse

Publications (1)

Publication Number Publication Date
CN111681932A true CN111681932A (en) 2020-09-18

Family

ID=72458053

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010745495.6A Withdrawn CN111681932A (en) 2020-07-29 2020-07-29 Universal meter safety device capable of automatically replacing fuse

Country Status (1)

Country Link
CN (1) CN111681932A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113189380A (en) * 2021-05-05 2021-07-30 韩芳 Application method of intelligent electric meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113189380A (en) * 2021-05-05 2021-07-30 韩芳 Application method of intelligent electric meter

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Application publication date: 20200918

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