CN219936086U - Current transformer load box with dismounting structure - Google Patents

Abstract

The utility model discloses a current transformer load box with a disassembly and assembly structure, which comprises a box body assembly, wherein the box body assembly comprises a box, an inserting port and a knob, the inserting port is arranged at the top of the front surface of the box, a signboard is arranged on the front surface of the box, handles are arranged on two sides of the front surface of the box, the knob is arranged at the bottom of the front surface of the box, the current transformer load box further comprises a holding assembly and a protection assembly, the holding assembly is arranged at the outer side of the knob, the protection assembly is arranged at two sides of the box, and meanwhile, the protection assembly is disassembled by adsorption; through setting up the subassembly of holding tightly on the knob of this load case, in the device use test process, through the knob adjust after, the accessible holds tightly the subassembly and carries out spacingly to the knob, avoids the mistake touching when using to lead to the knob to rotate to prevent that the current value from changing, better test is used, has improved the stability when the device uses.

Description

Current transformer load box with dismounting structure

Technical Field

The utility model belongs to the technical field of current transformer load boxes, and particularly relates to a current transformer load box with a disassembly and assembly structure.

Background

The current transformer load box is a specially provided various effective loads when the current and voltage transformers are tested, and is also called as a transformer load box and a PT load box, and the PT/CT transformer load box provides various effective loads when the current and voltage transformers are tested, so that the current and voltage transformer load box is an ideal instrument for testing errors of a full-automatic transformer calibration stand and a field transformer.

The existing current transformer load box is usually converted into a plurality of different load impedance values through the device in the installation and use process, and meanwhile, the current transformer load box can be changed into load boxes with different rated currents and the same capacity, but usually when the device is used, a knob for adjusting the rated currents is arranged on the device, when the device is used for testing, if the knob is touched to rotate, the value of the rated currents is easy to change, and therefore the problem of measuring data is affected.

Disclosure of Invention

The utility model aims to provide a current transformer load box with a disassembly and assembly structure, which aims to solve the problems that when the current transformer load box is used, a knob for adjusting rated current is arranged on the device, and when the current transformer load box is used for testing, if the knob is touched, the knob rotates, the value of the rated current is easy to change, so that the measured data is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a current transformer load case with dismouting structure, includes box subassembly, box subassembly includes box, interface and knob, the interface sets up the front surface top of box, the front surface of box is provided with the signboard, the handle has been installed to the front surface both sides of box, the knob is installed the front surface bottom of box still includes enclasping subassembly and protection component, enclasping subassembly installs the outside of knob, just protection component installs the both sides of box, simultaneously protection component is through adsorbing the dismouting, enclasping subassembly includes spacing subassembly and fixed subassembly.

Preferably, the fixing assembly comprises a enclasping seat, a butterfly rod and enclasping blocks, wherein the enclasping seat is sleeved and installed on the outer side of the knob, the enclasping blocks are installed at one end of the butterfly rod, and the butterfly rod is installed on one side of the enclasping seat.

Preferably, the surface of one side of the enclasping block is of an arc-shaped structure, and a rubber gasket is arranged on the inner side of the arc-shaped structure in a sticking mode.

Preferably, the limiting assembly comprises a limiting sliding seat and a limiting sliding block, the limiting sliding block is arranged at the bottom of the enclasping block, the limiting sliding seat is arranged at the inner side edge of the enclasping seat, and the enclasping block is slidably clamped with the limiting sliding block through the limiting sliding seat.

Preferably, anti-skid patterns are arranged on the surface of the knob, and the knob is fixed by screwing the butterfly rod and the enclasping block.

Preferably, the protection component comprises a heat radiation opening and a dust screen, wherein the heat radiation opening is formed in two sides of the box, and the magnetic strip is arranged at the edge of the dust screen.

Preferably, the dustproof net is adsorbed and fixed by a magnetic stripe, and the dustproof net cover is arranged on the front surface of the radiating opening.

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

(1) Be provided with the knob that is used for adjusting rated current on the device, use test in-process, if touching leads to the knob to rotate, change rated current's numerical value easily to influence measured data, through setting up the subassembly of holding tightly on the knob of this load case, in the device use test in-process, accessible holds tightly the subassembly and carries out spacingly to the knob after the end through knob is adjusted, the mistake touching leads to the knob to rotate when avoiding using, thereby prevent that current numerical value from changing, better test is used, stability when having improved the device and used.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the hug seat of the present utility model;

FIG. 3 is a right side view of the box of the present utility model;

in the figure: 100. a case; 101. an interface; 102. a handle; 103. a signboard; 104. a knob; 200. a holding seat; 201. a butterfly rod; 202. a holding block; 203. a limit sliding seat; 204. a limit sliding block; 205. a rubber gasket; 300. a heat radiation port; 301. a dust screen; 302. a magnetic stripe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: the utility model provides a current transformer load case with dismouting structure, including box subassembly, box subassembly includes box 100, interface 101 and knob 104, interface 101 fixed mounting is at the front surface top of box 100, accessible interface 101 grafting detection circuitry during the use, the front surface of box 100 has signboard 103 through screw fixed mounting, front surface both sides welded fastening of box 100 has handle 102, conveniently remove the device through handle 102, knob 104 installs in the front surface bottom of box 100, specifically, still include and hold tight subassembly and protection component, hold tight subassembly and install in the outside of knob 104, and protection component installs in the both sides of box 100, protection component passes through absorption dismouting simultaneously, the device dismouting structure is convenient for clean protection component, hold tight subassembly includes spacing subassembly and fixed subassembly.

Preferably, the fixed subassembly includes hug tightly seat 200, butterfly bar 201 and hug tightly piece 202, hug tightly seat 200 cover is established and is installed in the outside of knob 104 and fix on box 100, hug tightly piece 202 rotates the one end of installing at butterfly bar 201, hug tightly piece 202's a side surface is the arc structure, the arc structure is convenient when hugging tightly laminating knob 104, and the inboard of arc structure glues and establishes and install rubber gasket 205, stability when hugging tightly through rubber gasket 205 improvement that can be better prevents that knob 104 from rotating, butterfly bar 201 is established soon through the screw thread and is installed in the one side of hugging tightly seat 200, when manual rotatory butterfly bar 201 of establishing, can drive hug tightly piece 202 lateral shifting.

Preferably, the spacing subassembly includes spacing slide 203 and spacing slider 204, spacing slider 204 integrated into one piece is in the bottom of enclasping piece 202, spacing slide 203 fixed mounting is in the inboard edge of enclasping seat 200, enclasping piece 202 is established through spacing slide 203 and spacing slider 204 slip card, when rotating butterfly lever 201 drive enclasping piece 202 and remove, can guarantee enclasping piece 202 horizontal displacement, better laminating with knob 104 through the arcwall face, the anti-skidding line has been seted up on the surface of knob 104, can be better rotation when establishing knob 104 soon, avoid skidding, and knob 104 is established fixedly through butterfly lever 201 and enclasping piece 202 soon.

Preferably, the protection component comprises a heat dissipation opening 300 and a dust screen 301, the heat dissipation opening 300 is formed in two sides of the box 100, the magnetic strips 302 are adhered to the edge of the dust screen 301, the dust screen 301 is fixed by the adsorption of the magnetic strips 302, the adhesion structure can be conveniently disassembled and assembled, the convenience in disassembly and assembly is improved, the dust screen 301 can be regularly disassembled and cleaned in the use process, the dust screen 301 is covered on the front surface of the heat dissipation opening 300, and the dust screen 301 arranged on the cover can prevent dust from entering the box 100 through the heat dissipation opening 300 in the installation and use process of the device, so that the short circuit phenomenon caused by dust and the like in the box 100 can be prevented.

The working principle and the using flow of the utility model are as follows: when the device and the current transformer are matched to use numerical values such as detection current, a knob 104 for adjusting rated current is arranged on the device, the load impedance values under different currents are measured through the adjustment of the knob 104, in the testing process of using the device, if the knob 104 rotates due to touch, the numerical values of the rated current are easy to change, so that measurement data are affected, through the arrangement of a holding seat 200 on the outer side of the knob 104 of the load box, after the measured current numerical values are adjusted through the knob 104 in the testing process of using the device, the butterfly rod 201 can be manually rotated, displacement is manually set through threads of the butterfly rod 201, the holding block 202 is pushed to clamp the knob 104, when the holding block 202 moves, the knob 104 is clamped and fixed through the limiting slide block 204 and the limiting slide seat 203, the knob 104 is prevented from rotating due to false touch during use, the change of the current numerical values is prevented, and the better testing use is achieved, and the stability of the device in use is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a current transformer load case with dismouting structure, includes box subassembly, box subassembly includes box (100), grafting mouth (101) and knob (104), grafting mouth (101) set up the front surface top of box (100), the front surface of box (100) is provided with signboard (103), handle (102) have been installed to the front surface both sides of box (100), knob (104) are installed the front surface bottom of box (100), its characterized in that: the portable electronic device is characterized by further comprising a enclasping assembly and a protection assembly, wherein the enclasping assembly is arranged on the outer side of the knob (104), the protection assembly is arranged on two sides of the box (100), and meanwhile the protection assembly is assembled and disassembled through adsorption, and comprises a limiting assembly and a fixing assembly.

2. The current transformer load box with a dismounting structure as claimed in claim 1, wherein: the fixing assembly comprises a enclasping seat (200), a butterfly rod (201) and an enclasping block (202), wherein the enclasping seat (200) is sleeved and installed on the outer side of the knob (104), the enclasping block (202) is installed at one end of the butterfly rod (201), and the butterfly rod (201) is installed on one side of the enclasping seat (200).

3. The current transformer load box with a dismounting structure as claimed in claim 2, wherein: one side surface of the enclasping block (202) is of an arc-shaped structure, and a rubber gasket (205) is adhered and arranged on the inner side of the arc-shaped structure.

4. The current transformer load box with a dismounting structure as claimed in claim 2, wherein: the limiting assembly comprises a limiting sliding seat (203) and a limiting sliding block (204), wherein the limiting sliding block (204) is arranged at the bottom of the enclasping block (202), the limiting sliding seat (203) is arranged at the inner side edge of the enclasping seat (200), and the enclasping block (202) is clamped with the limiting sliding block (204) in a sliding manner through the limiting sliding seat (203).

5. The current transformer load case with disassembly and assembly structure according to claim 4, wherein: the surface of the knob (104) is provided with anti-skid patterns, and the knob (104) is fixed by screwing through a butterfly rod (201) and a clasping block (202).

6. The current transformer load box with a dismounting structure as claimed in claim 1, wherein: the protection assembly comprises a heat dissipation opening (300), a dust screen (301) and magnetic strips (302), wherein the heat dissipation opening (300) is formed in two sides of the box (100), and the magnetic strips (302) are arranged at the edges of the dust screen (301).

7. The current transformer load case with disassembly and assembly structure according to claim 6, wherein: the dustproof net (301) is adsorbed and fixed through the magnetic stripe (302), and the dustproof net (301) is covered on the front surface of the heat dissipation port (300).