CN109459597B - Multifunctional current measuring device - Google Patents
Multifunctional current measuring device Download PDFInfo
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- CN109459597B CN109459597B CN201711167500.4A CN201711167500A CN109459597B CN 109459597 B CN109459597 B CN 109459597B CN 201711167500 A CN201711167500 A CN 201711167500A CN 109459597 B CN109459597 B CN 109459597B
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- 238000012360 testing method Methods 0.000 claims description 85
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0046—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00
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- Measurement Of Current Or Voltage (AREA)
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Abstract
The invention provides a multifunctional current measuring device, and relates to an electric measuring technology. The problem that an existing exposed grounding ring in the prior art is not suitable for being used as a current detection device is solved. This multi-functional current measuring device, including insulating bar, ampere meter, still including setting up the earthing ring on the cable, the earthing ring is including puncture fastener, conducting ring, gliding cover has two bellows about on the exposed body of rod on the conducting ring, and the left end of left bellows is fixed at the left end of the exposed body of rod, and the right-hand member at the exposed body of rod is fixed to the right-hand member of right bellows, the right-hand member of left bellows is the free end, the left end of right bellows is the free end, and under the effect of bellows elasticity under the free state, the free end contact of two bellows will expose the body of rod and seal in the screwed pipe. The corrugated pipe arranged on the conducting ring of the grounding ring can be used for conveniently realizing the requirements of opening during measurement and closing during non-measurement.
Description
Technical Field
The invention belongs to the technical field of electrical measurement, and particularly relates to a current measuring device.
Background
The power supply line usually needs to be measured in order to carry out operations such as circuit maintenance, and the power supply line generally is erect in the high altitude, and has the protection of one deck insulating layer on the wire, is provided with the ground loop on the cable usually, is provided with puncture fastener and conducting ring on the ground loop, is provided with in the puncture fastener to be used for piercing through the insulating layer and is connected with the wire electricity, and the conducting ring is connected with the puncture electricity, has one section naked part on the conducting ring, and the electric current condition of accessible this naked part measurement wire. However, the exposed portion is exposed to air for a long time, and is liable to be damaged, and also liable to leak electricity, which brings about a safety hazard.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multifunctional current measuring device which can expose or seal a conducting ring according to needs and is convenient to measure.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a multi-functional current measuring device, includes insulating bar, sets up the ampere meter on insulating bar, still includes the ground loop that sets up on the cable, the ground loop is including puncture fastener, conducting ring, gliding cover has about two bellows on the exposed body of rod on the conducting ring, and the left end of left bellows is fixed at the left end of the exposed body of rod, and the right-hand member at the exposed body of rod is fixed to the right-hand member of right bellows, the right-hand member of left bellows is the free end, the left end of right bellows is the free end, and under the effect of bellows elasticity under the free state, the free end contact of two bellows will expose the body of rod and seal in the screwed pipe, the ampere meter be used for with the test contact setting of electrified body contact at the tip of insulating bar. When the measurement is needed, only the test contact at the end part is pressed between the free ends of the two corrugated pipes, and the two free ends are separated towards two sides, so that the test contact is contacted with the exposed rod body part, and the electric contact is realized. When the test contact is removed, the two free ends close.
In the above multifunctional current measuring apparatus, the test contact of the ammeter is a half-ring body, which is equivalent to a hook, so that the test contact is hooked on the conductive ring.
In the multifunctional current measuring device, the free ends of the two corrugated pipes are provided with magnets, the adjacent magnetic poles of the two magnets have opposite polarities, so that the two magnets attract each other, the free ends of the two corrugated pipes are combined more tightly, the testing contact of the ammeter is provided with the magnets, the testing contact magnets are close to the free ends of the corrugated pipes, when the magnetic poles of the testing contact magnets are opposite to the magnetic poles of the magnets on the corrugated pipes, the magnets on the two corrugated pipes of the testing contact magnets generate repulsive force, and the two free ends are separated to leak the exposed rod body.
In the multifunctional current measuring device, the two conducting rings are arranged on the puncture wire clamp in parallel, and the two conducting rings are respectively connected with the positive conducting ring and the negative conducting ring through the puncture in the puncture wire clamp and the positive and negative conducting wires in the cable. The testing contact of the ammeter is T-shaped, two ends of a T-shaped beam can be respectively inserted into two conductive rings, two ends of the T-shaped beam are respectively provided with a positive pole testing contact and a negative pole testing contact, the positive pole testing contact is used for being in contact with the positive conductive ring, the negative pole testing contact is used for being in contact with the negative conductive ring, the positive pole testing contact and the negative pole testing contact are both provided with magnets, the adjacent magnetic poles of the magnets on the positive pole testing contact and the positive conductive ring are the same in polarity, the adjacent magnetic poles of the magnets on the negative pole testing contact and the negative conductive ring are the same in polarity, and the adjacent magnetic poles of the magnets on the corrugated pipes on the positive conductive ring and the negative conductive. Only when the positive test contact is contacted with the positive conducting ring and the negative test contact is contacted with the negative conducting ring, the free end of the corrugated pipe can be separated by the repulsion force of the magnet on the test contact to the magnet on the conducting ring, so that the test contact is contacted with the conducting ring; if the positive test contact is contacted with the negative conductive ring, and the negative test contact is contacted with the positive conductive ring, the force of the magnet on the test contact to the magnet on the conductive ring is attracted, so that the free end of the corrugated pipe cannot be separated, the test contact cannot be contacted with the conductive ring, and the placement is reversely connected.
In the multifunctional current measuring device, the puncture wire clamp is provided with the conductive hole, the conductive ring can rotatably penetrate through the conductive hole and is electrically connected with the conductive hole, the conductive hole is electrically connected with the puncture, the circumferential direction of the conductive hole is uniformly provided with the clamping grooves, the conductive ring is provided with the elastic clamping heads matched with the clamping grooves, and the conductive ring is rotated to clamp the elastic clamping heads in different clamping grooves, so that the rotating angle of the conductive ring relative to the puncture wire clamp is changed, namely, the position of the puncture wire clamp is relative to the position of the puncture wire clamp, and the multifunctional current measuring device is suitable.
In the multifunctional current measuring device, the LED lamp is connected between the positive electrode test contact and the negative electrode test contact, and if the two test contacts are electrically contacted with the conducting ring, the LED lamp emits light so as to rapidly measure the current.
In the multifunctional current measuring device, the magnet arranged on the test contact of the ammeter is an electromagnet, and the magnetic force and the direction of the magnetic pole are controlled by the electromagnet.
Compared with the prior art, the multifunctional current measuring device has the following advantages:
the corrugated pipe arranged on the conducting ring of the grounding ring can conveniently meet the requirements of opening during measurement and closing during non-measurement, and the grounding ring has the advantages of simple structure, convenience in operation and low cost.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic diagram of an ammeter according to the first embodiment;
FIG. 3 is a schematic structural view of the second embodiment;
fig. 4 is a schematic sectional structure diagram of the second embodiment.
In the figure, an insulating operating rod 1, a puncture wire clamp 2, a conductive hole 201, a clamping groove 2011, a conductive ring 3, an exposed rod body 301, a positive conductive ring 302, a negative conductive ring 303, an elastic clamping head 304, gas 4, a left corrugated pipe 5, a right corrugated pipe 6, a test contact 7, a positive test contact 701, a negative test contact 702, an ammeter 8, a cable 9, a lead 901, an elastic opening edge 10, a conductive sheet 11, a signal wire 12, a test contact magnet 13 and a magnet 14 on the corrugated pipe are shown.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 and 2, the multifunctional current measuring device comprises an insulating operating rod 1, an ammeter arranged on the insulating operating rod, a grounding ring arranged on a cable 9, the grounding ring comprises a puncture wire clamp 2 and a conducting ring 3, a left corrugated pipe and a right corrugated pipe are sleeved on an exposed rod body 301 on the conducting ring in a sliding manner, the corrugated pipe is a double-layer corrugated pipe, gas 4 with certain pressure can be filled in the double-layer inner cavity, the left end of the left corrugated pipe 5 is fixed at the left end of the exposed rod body, the right end of the right corrugated pipe 6 is fixed at the right end of the exposed rod body, the right end of the left corrugated pipe is a free end, the left end of the right corrugated pipe is a free end, the free ends of the two corrugated pipes are contacted under the action of the elastic force of the corrugated pipes in a free state, the exposed rod body is sealed in the threaded pipe, the test contact of the ammeter for contacting with the charged body is arranged at the end of the insulated operating rod. When the measurement is needed, only the test contact 7 at the end part is pressed between the free ends of the two corrugated pipes, and the two free ends are separated towards two sides, so that the test contact is contacted with the exposed rod body part, and the electric contact is realized. When the test contact is removed, the two free ends close. In this embodiment, the test contact of the ammeter is a half-ring body, which is equivalent to a hook, so that the test contact is hooked on the conductive ring, and the ammeter of this embodiment is an ammeter 8 having only one test contact, such as a test pencil.
Example two
As shown in fig. 3 and 4, the free ends of the two corrugated pipes are provided with magnets, the adjacent magnetic poles of the two magnets have opposite polarities, so that the two magnets attract each other, the free ends of the two corrugated pipes are combined more tightly, the test contact of the ammeter is provided with a magnet, the test contact magnet is close to the free end of the corrugated pipe, when the magnetic pole of the test contact magnet 13 is opposite to the magnetic pole of the magnet 14 on the corrugated pipe, the magnets on the two corrugated pipes of the test contact magnet generate repulsion force, and the two free ends are separated to leak the exposed rod body. The joint of the two free ends can be provided with an elastic opening edge 10 so as to ensure that the joint is tighter.
Further, the ammeter of the present embodiment is an ammeter having positive and negative test contacts. The two conducting rings are arranged on the puncture wire clamp in parallel, and the two conducting rings are respectively connected with the positive conducting ring 302 and the negative conducting ring 303 through puncture in the puncture wire clamp and positive and negative conducting wires 901 in the cable. The testing contact of the ammeter is in a T shape, two ends of a T-shaped beam can be respectively inserted into two conductive rings, two ends of the T-shaped beam are respectively provided with a positive pole testing contact 701 and a negative pole testing contact 702, the positive pole testing contact is used for being in contact with a positive conductive ring, the negative pole testing contact is used for being in contact with a negative conductive ring, the positive pole testing contact and the negative pole testing contact are both provided with magnets, the polarities of adjacent magnetic poles of the magnets on the positive pole testing contact and the positive conductive ring are the same, the polarities of adjacent magnetic poles of the magnets on the negative pole testing contact and the magnets on the negative conductive ring are the same, and the polarities of adjacent magnetic poles of the magnets on the corrugated pipes on the positive. Only when the positive test contact is contacted with the positive conducting ring and the negative test contact is contacted with the negative conducting ring, the free end of the corrugated pipe can be separated by the repulsion force of the magnet on the test contact to the magnet on the conducting ring, so that the test contact is contacted with the conducting ring; if the positive test contact is contacted with the negative conductive ring, and the negative test contact is contacted with the positive conductive ring, the force of the magnet on the test contact to the magnet on the conductive ring is attracted, so that the free end of the corrugated pipe cannot be separated, the test contact cannot be contacted with the conductive ring, and the placement is reversely connected. The test contact is provided with a conducting strip 11 which is connected with an ammeter through a signal wire 12.
Further, be provided with the electrically conductive hole on the puncture fastener, the electrically conductive hole 201 is passed to the conducting ring is rotatable to the conducting ring is connected with the electrically conductive hole electricity, the electrically conductive hole is connected with the puncture electricity, and electrically conductive hole circumference equipartition has draw-in groove 2011, be provided with on the conducting ring with draw-in groove complex elasticity dop 304, rotate the conducting ring for elasticity dop card is in the draw-in groove of difference, thereby change the relative pivoted angle of stinging the fastener of conducting ring, for the position of stinging the fastener promptly, so that be fit for different measurement demands.
EXAMPLE III
The LED lamp can be connected between the positive test contact and the negative test contact, and if the two test contacts are electrically contacted with the conducting ring, the LED lamp emits light so as to rapidly measure the existence of current. The magnet arranged on the test contact of the ammeter is an electromagnet, and the direction of the magnetic force and the magnetic pole is controlled by the electromagnet.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (3)
1. A multifunctional current measuring device comprises an insulating operating rod and an ammeter arranged on the insulating operating rod, and is characterized by further comprising a grounding ring arranged on a cable, wherein the grounding ring comprises a puncture wire clamp and a conducting ring, a left corrugated pipe and a right corrugated pipe are sleeved on an exposed rod body on the conducting ring in a sliding mode, the left end of the left corrugated pipe is fixed at the left end of the exposed rod body, the right end of the right corrugated pipe is fixed at the right end of the exposed rod body, a test contact of the ammeter, which is used for being in contact with a charged body, is arranged at the end portion of the insulating operating rod, and the test contact of the ammeter is a semi-ring body; the free ends of the two corrugated pipes are provided with magnets, the adjacent magnetic poles of the two magnets have opposite polarities, and a test contact of the ammeter is provided with a magnet; the two conducting rings are arranged on the puncture wire clamp in parallel, the two conducting rings are respectively connected with a positive conducting ring and a negative conducting ring through a puncture in the puncture wire clamp, the testing contact of the ammeter is T-shaped, two ends of a T-shaped beam can be respectively inserted into the two conducting rings, two ends of the T-shaped beam are respectively a positive testing contact and a negative testing contact, the positive testing contact is used for being in contact with the positive conducting ring, the negative testing contact is used for being in contact with the negative conducting ring, and the positive testing contact and the negative testing contact are both provided with magnets; the polarities of the adjacent magnetic poles of the magnets on the positive test contact and the positive conductive ring are the same, the polarities of the adjacent magnetic poles of the magnets on the negative test contact and the negative conductive ring are the same, and the polarities of the adjacent magnetic poles of the magnets on the corrugated pipes on the positive conductive ring and the negative conductive ring are opposite.
2. The multifunctional current measuring device of claim 1, wherein an LED light is connected between the positive test contact and the negative test contact.
3. The multifunctional current measuring device according to claim 1, wherein the magnet provided on the test contact of the ammeter is an electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167500.4A CN109459597B (en) | 2017-11-21 | 2017-11-21 | Multifunctional current measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167500.4A CN109459597B (en) | 2017-11-21 | 2017-11-21 | Multifunctional current measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN109459597A CN109459597A (en) | 2019-03-12 |
| CN109459597B true CN109459597B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711167500.4A Active CN109459597B (en) | 2017-11-21 | 2017-11-21 | Multifunctional current measuring device |
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| CN (1) | CN109459597B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539325Y (en) * | 2002-04-06 | 2003-03-05 | 孙家建 | Multifunctional insulation wire clamp |
| CN202205945U (en) * | 2011-08-11 | 2012-04-25 | 南通芯迎设计服务有限公司 | Retractable plug protection sleeve |
| CN103323649A (en) * | 2013-06-18 | 2013-09-25 | 国家电网公司 | Current measuring device |
| CN204389570U (en) * | 2014-11-25 | 2015-06-10 | 国家电网公司 | A kind of power cable grounding circulation live line measurement handheld device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100019374A1 (en) * | 2008-07-25 | 2010-01-28 | Stmicroelectronics, Inc. | Ball grid array package |
-
2017
- 2017-11-21 CN CN201711167500.4A patent/CN109459597B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539325Y (en) * | 2002-04-06 | 2003-03-05 | 孙家建 | Multifunctional insulation wire clamp |
| CN202205945U (en) * | 2011-08-11 | 2012-04-25 | 南通芯迎设计服务有限公司 | Retractable plug protection sleeve |
| CN103323649A (en) * | 2013-06-18 | 2013-09-25 | 国家电网公司 | Current measuring device |
| CN204389570U (en) * | 2014-11-25 | 2015-06-10 | 国家电网公司 | A kind of power cable grounding circulation live line measurement handheld device |
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| Publication number | Publication date |
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| CN109459597A (en) | 2019-03-12 |
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