CN212847918U

CN212847918U - Current detection device of large-current resistance box

Info

Publication number: CN212847918U
Application number: CN202021814714.3U
Authority: CN
Inventors: 林晓珍
Original assignee: Hangzhou Hengliang Electromechanical Equipment Co ltd
Current assignee: Hangzhou Hengliang Electromechanical Equipment Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-30
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a heavy current resistance box current detection device, including the detection case body, the lower extreme fixed mounting of detection case body has the supporting leg, the fixed operating panel that is provided with in front end of detection case body, operating panel's front end movable mounting has adjustment button, adjustment button equidistance distributes, adjustment button's the fixed logical line hole that is provided with in upper end, both ends fixed mounting has the hinge about detection case body upper end front end, the rear end fixed mounting of hinge has the case lid. This heavy current resistance box current detection device, when the detection case body detected the electric current, the phenomenon of high temperature appeared for a long time, and the numerical value that leads to detecting is unstable, in order to avoid the phenomenon of high temperature to appear in the inside of detection case body, the accessible thermovent dispels the heat for when the detection case body detected the electric current, the phenomenon of high temperature can not appear for a long time, and then great improvement this detection device's radiating effect.

Description

Current detection device of large-current resistance box

Technical Field

The utility model relates to a current resistance technical field specifically is a heavy current resistance box current detection device.

Background

The resistance box is a box-type resistor and is formed by connecting a plurality of constant value resistors with different resistance values according to a certain mode, the constant value resistors in the resistance box are generally wound by constantan and manganese copper wires, so that the resistance value basically does not change along with the temperature, a larger power circuit is required to be used in some large-scale electronic equipment, a protective resistor product with higher power is required to be used, the resistance box is one of the constant value resistors, and in addition, the new power grid operation rule requires that the constant value resistors can still keep uninterrupted operation when the voltage of a power grid drops along with the connection of more and more wind driven generators to the power grid for operation.

Current current detection device needs a large amount of time when detecting to long-time detection can lead to the inside high temperature phenomenon of appearance of detection case, leads to the numerical value of detecting inaccurate, and need maintain it with the whole dismantlements of part when the maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy current resistance box current detection device to propose current detection device among the solution above-mentioned background art, need a large amount of time when detecting, and long-time detection can lead to the inside phenomenon of high temperature appearing of detection case, and the numerical value that leads to detecting is inaccurate, and need when the maintenance with the whole problem that just can maintain it of dismantling of part.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heavy current resistance box current detection device, includes the detection case body, the lower extreme fixed mounting of detection case body has the supporting leg, the fixed operating panel that is provided with in front end of detection case body, operating panel's front end movable mounting has adjustment button, adjustment button equidistance distributes, adjustment button's the fixed logical line hole that is provided with in upper end, both ends fixed mounting has the hinge about detection case body upper end front end, the rear end fixed mounting of hinge has the case lid, the case lid passes through the rotatory upper end fixed connection with the detection case body of hinge.

Preferably, the front end fixed mounting of detection case body inside has the value adjustment piece, adjustment button's lower extreme fixed mounting has the through-hole, the through-hole runs through in the rear end of value adjustment piece.

Preferably, resistance plates are fixedly mounted at the left end and the right end of the rear end of the through hole and fixedly connected with the adjusting button.

Preferably, the left end and the right end of the detection box body are fixedly provided with heat dissipation ports which are distributed at equal intervals.

Preferably, the protective net is fixedly mounted on the inner side of the heat dissipation port, and the protective net is fixedly mounted on the sides of the left end and the right end inside the detection box body.

Preferably, the inside avris of detection case body is fixed and is provided with the slot, the slot is located the upper end of the inside avris of detection case body, the inboard movable mounting of slot has the post of inserting, insert the post and be located both ends about the accent value piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the current detection device of the high-current resistance box, the heat dissipation port is installed, when the detection box body detects current, a high-temperature phenomenon occurs for a long time, so that the detected numerical value is unstable, in order to avoid the high-temperature phenomenon occurring inside the detection box body, the heat can be dissipated through the heat dissipation port, so that when the detection box body detects current, the high-temperature phenomenon cannot occur for a long time, the unstable detected numerical value caused by high temperature in the detection process is avoided, the numerical value of the current can be stably detected, and the heat dissipation effect of the detection device is greatly improved;

2. according to the heavy-current resistance box current detection device, the protective net is installed, when heat dissipation is carried out through the heat dissipation port, dust impurities and the like can enter the interior of the detection box body through the heat dissipation port, two pieces of the interior are damaged due to long-time accumulation, the service life is shortened, the dust impurities can be prevented from entering the interior of the detection box body through the heat dissipation port through the protective net, the dust impurities can not affect parts inside the detection box body, the two pieces of the interior of the detection box body are prevented from being damaged, the service life of the detection box body is greatly prolonged, and the dustproof effect of the detection device is improved;

3. this heavy current resistance box current detection device through the installation resistance board, through establishing ties each other between the resistance board, has increased some resistance for the detection case body is more accurate to current detection's numerical value, thereby has guaranteed current detection's effect.

Drawings

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

FIG. 2 is a schematic view of the sectional structure of the detection box body of the present invention;

FIG. 3 is a schematic view of the protective net of the present invention;

fig. 4 is an enlarged schematic view of the slot of the present invention.

In the figure: 1. a detection box body; 2. supporting legs; 3. an operation panel; 4. an adjustment button; 5. a through hole; 6. a hinge; 7. a box cover; 8. adjusting the value piece; 9. a through hole; 10. a resistance plate; 11. a heat dissipation port; 12. a protective net; 13. a slot; 14. and (5) inserting the column.

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. 1-4, the present invention provides a technical solution: the utility model provides a heavy current resistance case current detection device, including detection case body 1, the lower extreme fixed mounting of detection case body 1 has supporting leg 2, the fixed operating panel 3 that is provided with in front end of detection case body 1, operating panel 3's front end movable mounting has adjustment button 4, adjustment button 4 equidistance distributes, adjustment button 4's the fixed line hole 5 that leads to that is provided with in upper end, both ends fixed mounting has hinge 6 about detection case body 1 upper end front end, the rear end fixed mounting of hinge 6 has case lid 7, case lid 7 passes through the rotatory upper end fixed connection with detection case body 1 of hinge 6.

Further, the front end fixed mounting of 1 inside of detection case body has the value adjusting piece 8, and adjustment button 4's lower extreme fixed mounting has through-hole 9, and through-hole 9 runs through in the rear end of value adjusting piece 8, through installation value adjusting piece 8, through rotatory adjustment button 4, can let value adjusting piece 8 rotate and adjust corresponding resistance.

Further, resistance plates 10 are fixedly mounted at the left end and the right end of the rear end of the through hole 9, the resistance plates 10 are fixedly connected with the adjusting button 4, and point resistance values are increased by mounting the resistance plates 10 and connecting the resistance plates 10 in series.

Further, fixed thermovent 11 that is provided with in both ends about detection case body 1, thermovent 11 equidistance distributes, through installation thermovent 11, when detection case body 1 detects the electric current, the phenomenon of high temperature appears for a long time, the numerical value that leads to detecting is unstable, in order to avoid the phenomenon of high temperature to appear in detection case body 1's inside, accessible thermovent 11 dispels the heat, make detection case body 1 detect the electric current, the phenomenon of high temperature can not appear for a long time, avoid detecting the numerical value that leads to detecting because of high temperature when time measuring, thereby the numerical value of detection current that can be stable, and then great improvement this detection device's radiating effect.

Further, the inboard fixed mounting of thermovent 11 has protection network 12, protection network 12 is located the avris fixed mounting at both ends about the detection case body 1 is inside, through installation protection network 12, when dispelling the heat through thermovent 11, dust impurity etc. can enter into the inside of detection case body 1 through thermovent 11, long-time accumulation leads to inside two to receive the damage, the life-span of use has been reduced, through protection network 12, can avoid dust impurity to enter into the inside of detection case body 1 through thermovent 11, make dust impurity can not influence the inside part of detection case body 1, thereby avoid the inside two of detection case body 1 to receive the damage, and then great increase the life of detection case body 1, the dustproof effect of this detection device has been improved.

Further, the inside avris of detection case body 1 is fixed and is provided with slot 13, and slot 13 is located the upper end of the inside avris of detection case body 1, and the inboard movable mounting of slot 13 has inserted post 14, and inserted post 14 is located the both ends about accent value piece 8, makes operating panel 3 can detect through inserting post 14 and slot 13.

The working principle is as follows: firstly, the resistance plates 10 are connected in series to increase the point resistance value, then the adjusting value sheet 8 can rotate to adjust the corresponding resistance value by rotating the adjusting button 4, meanwhile, when the current is detected by the detection box body 1, the phenomenon of high temperature appears for a long time to cause unstable detected numerical value, in order to avoid the phenomenon of high temperature appearing in the detection box body 1, the heat can be radiated through the heat radiation port 11, so that when the current is detected by the detection box body 1, the phenomenon of high temperature can not appear for a long time, the instability of detected numerical value caused by high temperature in the detection process is avoided, the numerical value of the current can be stably detected, the heat radiation effect of the detection device is further greatly improved, in addition, when the heat is radiated through the heat radiation port 11, dust, impurities and the like can enter the inside of the detection box body 1 through the heat radiation port 11, and two pieces in the inside are damaged due, the service life of having reduced, through protection network 12, can avoid dust impurity to enter into the inside of detection case body 1 through thermovent 11 for dust impurity can not influence the inside part of detection case body 1, thereby avoids two inside of detection case body 1 to receive the damage, and then great increase the life of detection case body 1, improved this detection device's dustproof effect.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a heavy current resistance box current detection device, includes detection case body (1), its characterized in that: the lower extreme fixed mounting of detection case body (1) has supporting leg (2), the front end of detection case body (1) is fixed and is provided with operating panel (3), the front end movable mounting of operating panel (3) has adjustment button (4), adjustment button (4) equidistance distributes, the fixed line hole (5) that leads to that is provided with in upper end of adjustment button (4), both ends fixed mounting has hinge (6) about detection case body (1) upper end front end, the rear end fixed mounting of hinge (6) has case lid (7), case lid (7) are through the rotatory upper end fixed connection with detection case body (1) of hinge (6).

2. A high current resistor box current sense apparatus as claimed in claim 1, wherein: the front end fixed mounting who detects case body (1) inside has value adjusting piece (8), the lower extreme fixed mounting of adjustment button (4) has through-hole (9), through-hole (9) run through in the rear end of value adjusting piece (8).

3. A high current resistor box current sense apparatus as claimed in claim 2, wherein: resistance board (10) are fixedly mounted at the left end and the right end of the rear end of the through hole (9), and the resistance board (10) is fixedly connected with the adjusting button (4).

4. A high current resistor box current sense apparatus as claimed in claim 1, wherein: the detection box comprises a detection box body (1) and is characterized in that heat dissipation ports (11) are fixedly arranged at the left end and the right end of the detection box body (1), and the heat dissipation ports (11) are distributed at equal intervals.

5. A high current resistor box current detection device according to claim 4, characterized in that: the inboard fixed mounting of thermovent (11) has protection network (12), protection network (12) are located the inside avris fixed mounting at both ends about detection case body (1).

6. A high current resistor box current sense apparatus as claimed in claim 2, wherein: the inside avris of detection case body (1) is fixed and is provided with slot (13), slot (13) are located the upper end of the inside avris of detection case body (1), the inboard movable mounting of slot (13) has inserted post (14), insert both ends about post (14) are located accent value piece (8).