CN218678434U

CN218678434U - Converter overcurrent protection device

Info

Publication number: CN218678434U
Application number: CN202223248308.7U
Authority: CN
Inventors: 张海军; 颜炳华
Original assignee: Shandong Zhuokong Automation Technology Co ltd
Current assignee: Shandong Zhuokong Automation Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-21
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a converter overcurrent protection device, including the converter body, converter body one side is provided with the installation piece, and installation piece one end is provided with fixed subassembly, and fixed subassembly one end is provided with warning protection mechanism, and warning protection mechanism one side sets up control panel, the utility model discloses help staff that can be accurate finds the fault point to better assurance converter body overcurrent protection effect is mutually supporting through with the fault lamp simultaneously, and the efficiency of fault point is found in assurance that can step forward.

Description

Converter overcurrent protection device

Technical Field

The utility model relates to a converter technique particularly, relates to a converter overcurrent protection device.

Background

The frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off the internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy conservation and speed regulation, and in the process of providing the required power supply voltage, the frequency converter needs to be subjected to overcurrent protection, so that the frequency converter overcurrent protection device is needed.

For example, chinese patent publication No. CN 21330523U discloses an overcurrent protection device for a frequency converter, which is connected to a power supply via a power line, and the electromagnet is energized to generate magnetism, so that a magnetic metal block is attracted and fixed to the lower end of the electromagnet, and a self-recovery fuse is fused when overcurrent occurs, thereby preventing the frequency converter main body from being damaged due to overcurrent.

However, a converter overcurrent protection device, still there are some not enoughly, this patent though can be through connecting the power through the power cord, and the electro-magnet circular telegram produces magnetism, make the magnetic metal piece adsorb to be fixed at electro-magnet lower extreme position, self-resuming fuse is fused when overflowing, prevent that the converter main part from overflowing and lead to damaging, but this patent is when needs overhaul and maintain, because the winding displacement is in disorder can't accurately find the problem circuit, thereby lead to maintainer difficult in time to discover, and then the influence is maintained and is overhauld the effect.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a converter overcurrent protection device to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a converter overcurrent protection device, includes the converter body, and converter body one side is provided with the installation piece, and installation piece one end is provided with fixed subassembly, and fixed subassembly one end is provided with warning protection mechanism, and warning protection mechanism one side sets up control panel.

Further, for better installation, fixed subassembly has seted up the fixed slot including installation piece one end, and warning protection mechanism sets up in the fixed slot, and the fixed slot is close to installation piece one end and has seted up equidistant screw hole, and threaded hole is provided with first fixing bolt, and first fixing bolt is provided with the fixed block.

Further, for better connecting, warning protection mechanism includes the protection box body that sets up in the fixed slot, and equidistant standing groove has been seted up to protection box body one side, and standing groove one side is provided with the reason line part, and standing groove one side is provided with places the base, and it is provided with first conductor block to place base one end, and first conductor block one end has been seted up and has been accomodate the groove, accomodates the inslot and is provided with the second conductor block.

Further, for better detection, second conductor block one end is provided with the fixing base, and fixing base one end is provided with electric putter, and first conductor block one side is provided with carries the conductor, carries 8 one sides of conductor and is provided with the over-current ware, and over-current ware one side is connected with converter body one side.

Further, for better power supply, the inside backup battery that is provided with of protection box body, backup battery have warning light, trouble lamp through connecting cable connection, and the warning light sets up in protection box body one end, and the trouble lamp equidistance sets up in protection box body one side.

Further, for better dispelling the heat, converter body and protection box body both sides are provided with radiator unit, and radiator unit includes the collection cover that converter body and protection box body both sides set up, collects cover one side and sets up the mounting groove of equidistance, is provided with the exhaust fan in the mounting groove.

Further, for better reason line, reason line part is including setting up the reason line piece in standing groove one side, and the equidistant reason line hole has been seted up to reason line piece one side, and the fixed orifices has been seted up to reason line hole one side, is provided with second fixing bolt in the fixed orifices.

The utility model has the advantages that:

(1) Through setting up warning protection mechanism on one side of the fixed subassembly, be convenient for when using, help staff that can be accurate finds the fault point and make things convenient for connecting cable to dismantle with trading to better assurance converter body overcurrent protection effect is mutually supporting through with the trouble lamp simultaneously, and the efficiency of fault point is found in assurance that can be further.

(2) Through set up radiator unit in converter body and protection box body both sides, be convenient for when using, can dispel the heat to converter body and protection box body when the great production of electric current heat to can further guarantee the life and the protective effect of converter body and protection box body, simultaneously through setting up reason line part, can avoid at the more indiscriminate problem of winding displacement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overcurrent protection device for a frequency converter according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing assembly of an overcurrent protection device of a frequency converter according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a warning protection mechanism of an overcurrent protection device of a frequency converter according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure in a warning protection mechanism of an overcurrent protection device for a frequency converter according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a heat dissipation assembly of an overcurrent protection device for a frequency converter according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a wire arranging component of a converter overcurrent protection device according to an embodiment of the present invention.

In the figure:

1. a frequency converter body; 2. mounting blocks; 3. a fixing assembly; 301. a fixing groove; 302. a first fixing bolt; 303. a fixed block; 4. a warning protection mechanism; 401. protecting the box body; 402. placing a base; 403. a first conductor block; 404. a second conductor block; 405. an electric push rod; 406. a current passing device; 5. a control panel; 6. a placement groove; 7. a receiving groove; 8. a conveying conductor; 9. a backup battery; 10. a warning light; 11. a fault light; 12. a heat dissipating component; 121. a collection hood; 122. an exhaust fan; 13. a wire management component; 131. a wire arranging block; 132. and a second fixing bolt.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

An overcurrent protection device for a frequency converter, please refer to fig. 1, which comprises a frequency converter body 1 for regulating the speed of electrical equipment; one side of the frequency converter body 1 is provided with an installation block 2, and one end of the installation block 2 is provided with a fixing component 3 for installing a warning protection mechanism 4; one end of the fixed component 3 is provided with a warning protection mechanism 4 for performing overcurrent protection on the frequency converter body 1; a control panel 5 is arranged on one side of the warning protection mechanism 4.

Example one

Referring to fig. 1 to 6, for the fixing assembly 3, one end of the fixing assembly 3, which includes the mounting block 2, is provided with a fixing groove 301, the warning protection mechanism 4 is disposed in the fixing groove 301, one end of the fixing groove 301, which is close to the mounting block 2, is provided with equidistant threaded holes, a first fixing bolt 302 is disposed in the threaded hole, and the first fixing bolt 302 is provided with a fixing block 303; the fixing block 303 is configured to have an L-shaped structure, and the fixing block 303 and the first fixing bolt 302 are configured to have an integrated structure.

With the above embodiment, when the protection cartridge 401 needs to be installed, the protection cartridge 401 is fixed by slidably placing the protection cartridge 401 in the fixing groove 301 of the installation block 2 and then rotating the first fixing bolt 302 to fix the fixing block 303 to the protection cartridge 401.

Example two

Referring to fig. 1 to 6, for the warning protection mechanism 4, the warning protection mechanism 4 includes a protection box 401 disposed in the fixing groove 301, and a portion of the protection box 401 is hollow; the protection box body 401 is provided with equidistant placing grooves 6 on one side, the wire arranging part 13 is arranged on one side of the placing groove 6, the placing base 402 is arranged on one side of the placing groove 6, one end of the placing base 402 is provided with a first conductor block 403, one end of the first conductor block 403 is provided with a receiving groove 7, a second conductor block 404 is arranged in the receiving groove 7, the diameter of the second conductor block 404 is smaller than that of the first conductor block 403, and the receiving groove 7 is matched with the second conductor block 404; the placing base 402 and the fixing base are both made of rubber insulating materials, and the first conductor block 403 and the second conductor block 404 are both made of metal conducting materials; one end of the second conductor block 404 is provided with a fixed seat, one end of the fixed seat is provided with an electric push rod 405, one side of the first conductor block 403 is provided with a conveying conductor 8, one side of the conveying conductor 8 is provided with a current passing device 406, and the model of the current passing device 406 is 88 series; overcurrent device 406 one side is connected with converter body 1 one side, and electric putter 405 has seted up the mounting groove near protection box body 401 one end, and protection box body 401 is inside to be provided with stand-by battery 9, and stand-by battery 9 has warning light 10, trouble lamp 11 through connecting cable connection, and warning light 10 sets up in protection box body 401 one end, and trouble lamp 11 equidistance sets up in protection box body 401 one side.

Through the embodiment, when the current transmitted to the frequency converter body 1 is too large, the detection control is carried out through the plurality of overcurrent devices 406, then the power-off processing is carried out on the transmitted cable, then in the power-off process, a worker is reminded through the warning lamp 10, and in order to find out a fault point more accurately, the maintenance effect can be ensured by arranging the fault lamp 11;

when the cable needs to be repaired, the electric push rod 405 is started through the control panel 5, and then the electric push rod drives the fixed seat 405 and the second conductor block 404 to ascend, so that the electric push rod moves out of the accommodating groove 7, and then the cable needing to be maintained is taken out.

EXAMPLE III

Referring to fig. 1 to 6, for the heat dissipation assembly 12 and the wire arranging component 13, the heat dissipation assembly 12 is disposed on two sides of the frequency converter body 1 and the protection box 401, and the heat dissipation assembly 12 is connected to the frequency converter body 1 in a clamping manner; the heat dissipation assembly 12 comprises a frequency converter body 1 and a collection cover 121 arranged on two sides of the protection box body 401, wherein one side of the collection cover 121 is provided with mounting grooves with equal distance, and an exhaust fan 122 is arranged in each mounting groove; the wire arranging part 13 comprises a wire arranging block 131 arranged on one side of the placing groove 6, wire arranging holes are formed in one side of the wire arranging block 131 at equal intervals, fixing holes are formed in one side of each wire arranging hole, and second fixing bolts 132 are arranged in the fixing holes; the frequency converter body 1, the exhaust fan 122 and the external power source are electrically connected, and the electric push rod 405, the warning light 10 and the fault light 11 are electrically connected with the control panel 5 and the standby battery 9.

Through the above embodiment, by arranging the heat dissipation assembly 12 and the wire arranging component 13, the problem of disordered winding displacement and the heat dissipation of the frequency converter body 1 and the protection box 401 during the large heat generation of current can be avoided, so that the service life and the protection effect of the frequency converter body 1 and the protection box 401 can be further ensured.

In summary, with the aid of the above technical solution of the present invention, when the protection box 401 needs to be installed, the protection box 401 is placed in the fixing groove 301 of the installation block 2 in a sliding manner, and then the fixing block 303 fixes the protection box 401 by rotating the first fixing bolt 302; when the current transmitted to the frequency converter body 1 is too large, the detection control is carried out through the plurality of overcurrent devices 406, then the power-off processing is carried out on the transmitted cable, then in the power-off process, a worker is reminded through the warning lamp 10, and in order to find out a fault point more accurately, the maintenance effect can be ensured through the arrangement of the fault lamp 11;

when the cable needs to be overhauled, make electric putter 405 start through control panel 5, electric putter drives 405 and moves fixing base and second conductor block 404 and rises after that, make it remove from accomodating the inslot 7 and come out, then take out the cable that needs to maintain, through setting up radiator unit 12 and reason line part 13, can avoid in the more indiscriminate problem of winding displacement and can be when the great production of heat of electric current, dispel the heat to converter body 1 and protection box body 401, thereby can further guarantee the life and the guard effect of converter body 1 and protection box body 401.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 converter overcurrent protection device, includes converter body (1), its characterized in that: one side of the frequency converter body (1) is provided with an installation block (2), and one end of the installation block (2) is provided with a fixed component (3); fixed subassembly (3) one end is provided with warning protection mechanism (4), warning protection mechanism (4) one side sets up control panel (5).

2. The overcurrent protection device for the frequency converter according to claim 1, wherein the fixing assembly (3) comprises a fixing groove (301) formed at one end of the mounting block (2), the warning protection mechanism (4) is arranged in the fixing groove (301), threaded holes are formed in one end, close to the mounting block (2), of the fixing groove (301) at equal intervals, a first fixing bolt (302) is arranged in the threaded holes, and a fixing block (303) is arranged on the first fixing bolt (302).

3. The overcurrent protection device for the frequency converter according to claim 2, wherein the warning protection mechanism (4) comprises a protection box body (401) disposed in the fixing groove (301), wherein equidistant placing grooves (6) are formed in one side of the protection box body (401), the wire arranging component (13) is disposed in one side of the placing groove (6), a placing base (402) is disposed in one side of the placing groove (6), a first conductor block (403) is disposed at one end of the placing base (402), a receiving groove (7) is formed in one end of the first conductor block (403), and a second conductor block (404) is disposed in the receiving groove (7).

4. The converter overcurrent protection device as set forth in claim 3, wherein the second conductor block (404) is provided with a fixed seat at one end, the fixed seat is provided with an electric push rod (405) at one end, the first conductor block (403) is provided with a conveying conductor (8) at one side, the conveying conductor () 8 is provided with an overcurrent device (406) at one side, and the overcurrent device (406) is connected with the converter body (1) at one side.

5. The overcurrent protection device for the frequency converter according to claim 3, wherein a backup battery (9) is arranged inside the protection box body (401), the backup battery (9) is connected with a warning lamp (10) and a fault lamp (11) through a connecting cable, the warning lamp (10) is arranged at one end of the protection box body (401), and the fault lamps (11) are arranged on one side of the protection box body (401) at equal intervals.

6. The converter overcurrent protection device according to claim 3, wherein heat dissipation assemblies (12) are arranged on two sides of the converter body (1) and the protection box body (401), each heat dissipation assembly (12) comprises a collection cover (121) arranged on two sides of the converter body (1) and the protection box body (401), one side of each collection cover (121) is provided with mounting grooves at equal intervals, and each mounting groove is internally provided with an exhaust fan (122).

7. The overcurrent protection device of the frequency converter according to claim 3, wherein the wire arranging part (13) comprises a wire arranging block (131) arranged on one side of the placement groove (6), wire arranging holes are formed in one side of the wire arranging block (131) at equal intervals, fixing holes are formed in one side of the wire arranging holes, and second fixing bolts (132) are arranged in the fixing holes.