CN211374884U

CN211374884U - Insulation impedance measuring device

Info

Publication number: CN211374884U
Application number: CN201921725482.1U
Authority: CN
Inventors: 黄瑞生
Original assignee: Shenzhen Hongtong Testing Technology Co ltd
Current assignee: Shenzhen Hongtong Testing Technology Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-28
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses an insulation resistance measuring device, including upper cover, switch, fender position knob, calibrated scale, panel, adjustable measurement board, fixed measurement board, box body, terminal, knob pivot, mode knob, display screen, connection pivot, guide bar, measuring tank, connector lug, wire, insulating cover and gauge outfit. This insulation resistance measuring device reasonable in design, the mode knob has two fender position, the first kind can directly measure on measuring plate, the second kind is measured through gauge outfit contact, this measuring device measurement mode divide into two kinds, adjust different measurement mode according to the measuring object of difference, the guide bar passes two measuring plate centers, wherein fixed measuring plate is fixed on the guide bar right side, adjustable measuring plate is sliding connection through centre bore and guide bar contact position, the big or small length diverse of resistance of different models, measure the resistance of different models through adjusting the interval between adjustable measuring plate and the fixed measuring plate.

Description

Insulation impedance measuring device

Technical Field

The utility model relates to a measuring device specifically is an insulation resistance measuring device, belongs to insulation resistance and measures technical field.

Background

At present, the traditional insulation impedance measuring device cannot realize on-line real-time measurement, only can be used for sampling measurement, the measured frequency is limited, the measurement of the insulation impedance can be divided into a voltammeter method, a three-meter method, an ohmmeter method and a bridge method, the voltammeter method is used for measuring direct current impedance, the three-meter method is used for measuring alternating current impedance by using an ammeter, a voltmeter and a power meter, and for pure alternating current impedance, the voltammeter method can also be used for measuring the pure alternating current impedance, but usually, the alternating current resistance is often mixed with other electrical parameters, and sometimes, the alternating current resistance also comprises equivalent impedance representing iron core loss or dielectric loss.

The existing detection device has certain defects, firstly, the existing detection device only has one detection mode, namely, the existing detection device can only directly measure on a measuring plate or measure through gauge outfit contact, and the two detection modes are not combined, so that the detection device cannot be suitable for different detection environments.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide an insulation resistance measuring device for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an insulation impedance measuring device comprises an upper cover, a switch, a gear knob, a dial, a panel, an adjustable measuring plate, a fixed measuring plate, a box body, a binding post, a knob rotating shaft, a mode knob, a display screen, a connecting rotating shaft, a guide rod, a measuring groove, a connector lug, a lead, an insulation sleeve and a gauge outfit; the utility model discloses a measuring instrument, including upper cover, switch, dial, panel, guide bar, wiring head, insulating cover, connecting shaft, dial, display screen, guide bar, switch, dial, panel, adjustable measuring board, guide bar, switch, junction box, meter head, guide bar, switch, panel, switch, dial, panel, adjustable measuring board, measuring groove, terminal, mode knob, display screen, guide bar, switch head, display screen, guide bar, switch head.

Preferably, in order to test different platforms, the mode knob has two gears, the first type can directly measure on the measuring plate, and the second type can measure through gauge outfit contact.

Preferably, in order to test resistors of different types, the guide rod penetrates through the centers of the two measuring plates, the fixed measuring plate is fixed on the right side of the guide rod, and the adjustable measuring plate is in sliding connection with the contact position of the guide rod through the central hole.

Preferably, in order to prevent the danger of the operator touching the gauge head, the gauge head is installed near the operator touching position with an insulating sleeve having a length of two thirds of the entire length of the gauge head.

Preferably, in order to facilitate the connection of the measuring probe, the number of the binding posts is two, and the binding posts are connected with the connector lug in a plugging manner.

Preferably, in order to facilitate the measurement head to be placed in the case, the case is provided with a placement groove on a side surface thereof.

Preferably, in order to measure the resistance mounted on the device through the measuring probe, the connector lug, the lead, the insulating sleeve and the gauge outfit form the measuring probe of the measuring device, and the measuring probe is electrically connected with the positive and negative connectors of the ammeter arranged in the device box body through the lead.

The utility model has the advantages that: the insulation impedance measuring device has reasonable design, the mode knob has two gears, the first type can directly measure on the measuring plate, the second type can measure through the contact of the gauge head, the measuring mode of the measuring device is divided into two types, different measuring modes are adjusted according to different measuring objects, the guide rod passes through the centers of the two measuring plates, the fixed measuring plate is fixed on the right side of the guide rod, the adjustable measuring plate is in sliding connection with the contact position of the guide rod through a central hole, the sizes and the lengths of resistors of different types are different, the resistors of different types are measured by adjusting the distance between the adjustable measuring plate and the fixed measuring plate, the length of an insulation sleeve arranged at the contact position of the gauge head close to an operator is two thirds of the whole length of the gauge head, the metal gauge head is prevented from being contacted by the operator, electric shock hazard occurs, the number of the binding posts is two, and the binding, the utility model discloses a device, including the device box body, be convenient for install the connector lug on the terminal, measure the object, the box body side is equipped with the standing groove, and the standing groove is convenient for place measuring probe and wire, and measuring probe comprises connector lug, wire, insulating cover and gauge outfit, and measuring probe carries out electric connection through the wire and the positive negative pole of the ampere meter of setting in the device box body connects, and measuring probe through the wire extension can measure the resistance value of having installed on equipment through the second kind of measuring mode.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural panel of the present invention;

FIG. 3 is a schematic view of the structural box body of the present invention;

fig. 4 is a schematic view of the structure measuring probe of the present invention.

In the figure: 1. the device comprises an upper cover, 2, a switch, 3, a gear knob, 4, a dial, 5, a panel, 6, an adjustable measuring plate, 7, a fixed measuring plate, 8, a box body, 9, a wiring terminal, 10, a knob rotating shaft, 11, a mode knob, 12, a display screen, 13, a connecting rotating shaft, 14, a guide rod, 15, a measuring groove, 16, a wiring terminal, 17, a lead, 18, an insulating sleeve, 19 and a meter head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an insulation resistance measuring device includes an upper cover 1, a switch 2, a gear knob 3, a dial 4, a panel 5, an adjustable measuring plate 6, a fixed measuring plate 7, a box 8, a binding post 9, a knob rotating shaft 10, a mode knob 11, a display screen 12, a connecting rotating shaft 13, a guide rod 14, a measuring groove 15, a binding post 16, a lead 17, an insulation sleeve 18 and a gauge outfit 19; the upper cover 1 is rotatably connected to the box body 8 through a connecting rotating shaft 13, the upper cover 1 is hollow inside, the switch 2 is fixed at the upper left corner of the panel 5, the gear knob 3 is fixed on the knob rotating shaft 10, the dial 4 is arranged below the gear knob 3, the panel 5 is arranged in an installation groove in the box body 8, the adjustable measuring plate 6 is arranged in a measuring groove 15, the fixed measuring plate 7 is arranged in the measuring groove 15, the wiring terminal 9 is arranged at the lower right corner of the panel 5, the mode knob 11 is arranged on the panel 5 through the knob rotating shaft 10, the mode knob 11 is arranged at the right side of the gear knob 3, the display screen 12 is arranged at the upper right corner of the panel 5, the guide rod 14 is arranged in the measuring groove 15, the measuring groove 15 is arranged at the lower left corner of the box body 8, and one end of the lead 17 is connected with the, the insulating sleeve 18 is arranged at one end of the gauge head 19, and one end of the lead 17 is connected with the gauge head 19.

The mode knob 11 has two gears, the first one can directly measure on the measuring plate, the second one is measured by the contact of the gauge outfit 19, the measuring mode of the measuring device is divided into two types, different measuring modes are adjusted according to different measuring objects, the guide rod 14 passes through the centers of the two measuring plates, wherein the fixed measuring plate 7 is fixed on the right side of the guide rod 14, the adjustable measuring plate 6 is in sliding connection with the contact position of the guide rod 14 through a central hole, the resistors of different types have different lengths, the resistors of different types are measured by adjusting the distance between the adjustable measuring plate 6 and the fixed measuring plate 7, the length of the insulating sleeve 18 which is arranged at the contact position of the gauge outfit 19 close to an operator is two thirds of the whole length of the gauge outfit 19, the operator is prevented from contacting the metal gauge outfit 19, electric shock hazard is avoided, the number of the binding posts 9 is two, be plug connection with connector lug 16, be convenient for install connector lug 16 on terminal 9, measure the object, 8 sides of box body are equipped with the standing groove, and the standing groove is convenient for place measuring probe and wire 17, connector lug 16, wire 17, insulating cover 18 and gauge outfit 19 constitute this measuring device's measuring probe, and measuring probe carries out electric connection through wire 17 and the positive negative pole joint of the ampere meter of setting in the device box body 8, and measuring probe through the extension of wire 17 can measure the resistance value of having installed on equipment through the second kind of measurement mode.

The working principle is as follows: when using this insulation resistance measuring device, at first will confirm that the resistance that oneself needs to be measured belongs to which kind of mode of this device measurement, first kind of mode, adjust mode knob 11 to keep off, adjust the adjustable distance of measuring between 6 and the fixed measuring board 7 of board, the resistance both sides stitch that will need to measure is directly put the groove on measuring the board, look over this resistance impedance on display screen 12, second kind of mode, adjust mode knob 11 to keep off, take out measuring probe from 8 standing grooves of box body, insert terminal 9 with connector lug 16, contact the both ends of being surveyed resistance with gauge outfit 19, look over display screen 12, obtain being surveyed resistance impedance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An insulation resistance measuring apparatus characterized in that: the device comprises an upper cover (1), a switch (2), a gear knob (3), a dial (4), a panel (5), an adjustable measuring plate (6), a fixed measuring plate (7), a box body (8), a wiring terminal (9), a knob rotating shaft (10), a mode knob (11), a display screen (12), a connecting rotating shaft (13), a guide rod (14), a measuring groove (15), a wiring terminal (16), a lead (17), an insulating sleeve (18) and a gauge outfit (19); the upper cover (1) is rotatably connected to the box body (8) through a connecting rotating shaft (13), the upper cover (1) is hollow inside, the switch (2) is fixed at the upper left corner of the panel (5), the gear knob (3) is fixed on a knob rotating shaft (10), the dial disc (4) is arranged below the gear knob (3), the panel (5) is installed in an installation groove inside the box body (8), the adjustable measuring plate (6) is installed in a measuring groove (15), the fixed measuring plate (7) is installed in the measuring groove (15), the wiring terminal (9) is arranged at the lower right corner of the panel (5), the mode knob (11) is installed on the panel (5) through the knob rotating shaft (10), the mode knob (11) is installed at the right side of the gear knob (3), the display screen (12) is arranged at the upper right corner of the panel (5), the guide rod (14) is installed in the measuring groove (15), the measuring groove (15) is formed in the lower left corner of the box body (8), one end of the lead (17) is connected with the connector lug (16), the insulating sleeve (18) is installed at one end of the gauge outfit (19), and one end of the lead (17) is connected with the gauge outfit (19).

2. An insulation resistance measuring apparatus according to claim 1, wherein: the mode knob (11) has two gears, the first one can directly measure on the measuring plate, and the second one can contact with the measuring plate through a gauge head (19).

3. An insulation resistance measuring apparatus according to claim 1, wherein: the guide rod (14) penetrates through the centers of the two measuring plates, the fixed measuring plate (7) is fixed on the right side of the guide rod, and the adjustable measuring plate (6) is in sliding connection with the contact position of the guide rod (14) through a center hole.

4. An insulation resistance measuring apparatus according to claim 1, wherein: the length of the insulating sleeve (18) arranged at the position, close to the operator contact position, of the gauge head (19) is two thirds of the whole length of the gauge head (19).

5. An insulation resistance measuring apparatus according to claim 1, wherein: the number of the binding posts (9) is two, and the binding posts are connected with the binding post head (16) in a plugging manner.

6. An insulation resistance measuring apparatus according to claim 1, wherein: the side of the box body (8) is provided with a placing groove.

7. An insulation resistance measuring apparatus according to claim 1, wherein: the connector lug (16), the lead (17), the insulating sleeve and the gauge outfit (19) form a measuring probe of the device, and the measuring probe is electrically connected with a positive electrode connector and a negative electrode connector of an ammeter arranged in a box body (8) of the device through the lead (17).