CN212542087U

CN212542087U - Low-voltage side filtering compensation energy-saving rectifier transformer

Info

Publication number: CN212542087U
Application number: CN202021579692.7U
Authority: CN
Inventors: 金海帆
Original assignee: Nanjing Hong Macro Electronics Co ltd
Current assignee: Nanjing Hong Macro Electronics Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-12
Anticipated expiration: 2030-08-03

Abstract

The utility model provides a low-voltage side filtering compensation energy-saving rectifier transformer, which comprises a shell, be provided with the iron core in mechanism of taking a breath and the protection base casing, be provided with the winding on the iron core, install tuned filter through the bolt on the inner wall of casing, the welding of casing top has the mounting panel, install the hoist and mount ring on the mounting panel, mechanism of taking a breath includes air box and air pump, the air box passes through the bolt and installs in the casing both sides, the protection base sets up in the casing bottom, be provided with the holding chamber in the protection base, holding chamber top is provided with the opening, the welding of casing bottom has the bearing plate, casing bottom card is established in the opening, the bearing plate card is established in the holding intracavity, the butt fusion has spring one between the inner wall in bearing plate and holding chamber, the casing top is provided with high-voltage circuit. The utility model provides an energy-conserving rectifier transformer of low pressure side filtering compensation has the good advantage of security.

Description

Low-voltage side filtering compensation energy-saving rectifier transformer

Technical Field

The utility model relates to a transformer technical field especially relates to energy-conserving rectifier transformer of low pressure side filtering compensation.

Background

The rectifier transformer is a power transformer of the rectifying device. The rectifier is characterized in that an original side inputs alternating current, a secondary side outputs direct current after passing through a rectifier element, the alternating current is a general name of three working modes of rectification, reverse flow and frequency conversion, and the rectification is one of the most widely applied modes. A transformer used as a power source of the rectifying device is called a rectifier transformer. Most of industrial rectified direct current power supplies are obtained by an alternating current power grid through a rectifier transformer and a rectifying device, but most of the existing rectifier transformers have certain defects, on one hand, a common rectifier transformer can generate harmonic waves during working, the harmonic waves reduce the efficiency of production, transmission and utilization of electric energy, the electric equipment is overheated, vibration and noise are generated, insulation is aged, the service life is shortened, and even faults or burnouts occur. The harmonic can cause the local parallel resonance or series resonance of electric power system, make the harmonic content enlarge, cause equipment such as condenser to burn out, on the other hand, hoist and mount mode is mostly adopted during ordinary transformer installation, therefore the top appears the potential safety hazard easily appearing when becoming flexible to the heat increases during internal work, and the transformer is generally comparatively sealed, consequently atmospheric pressure increases to probably lead to the shell deformation after the certain degree, consequently, it solves above-mentioned technical problem to need to provide low-voltage side filtering compensation energy-saving rectifier transformer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an energy-conserving rectifier transformer of low pressure side filtering compensation with the security is good.

In order to solve the technical problem, the utility model provides an energy-conserving rectifier transformer of low pressure side filter compensation includes: the transformer comprises a shell, wherein an iron core is arranged in the shell, a winding is arranged on the iron core, a tuning filter is arranged on the inner wall of the shell through a bolt, an installation plate is welded at the top of the shell, and a hoisting ring is arranged on the installation plate; the air exchange mechanism comprises an air exchange box and an air pump, and the air exchange box is mounted on two sides of the shell through bolts; the protection base, the protection base sets up the casing bottom, be provided with the holding chamber in the protection base, holding chamber top is provided with the opening, the welding of casing bottom has the bearing plate, the card of casing bottom is established in the opening, the bearing plate card is established the holding intracavity, the bearing plate with the butt fusion has spring one between the inner wall in holding chamber.

As the utility model discloses a preferred, the casing top is provided with high-tension line one and high-tension line two, high-tension line one pass through the electric wire with tuned filter connects, the winding pass through the electric wire respectively with tuned filter with high-tension line two are connected.

As the utility model discloses a preferred, the air pump passes through the bolt to be installed on the inner wall of ventilation box, air pump one end sets up in the casing, be provided with the air inlet duct on the ventilation box.

As the utility model discloses a preferred, be provided with the through-hole on the casing, the welding has explosion-proof valve in the through-hole, be provided with the inner chamber in the explosion-proof valve, the inner wall both sides of inner chamber are provided with flow hole and exhaust vent group respectively.

As the utility model discloses a preferred, there is the separation blade inner wall one side of inner chamber through two butt splices of spring, the separation blade is hugged closely the flow hole is inboard.

As the utility model discloses a preferred, separation blade one side bonding has the rubber chock, the rubber chock card is established in the flow hole.

As the utility model discloses a preferred, the inner wall of casing is inside to be provided with and to hold the chamber, hold the intracavity card and be equipped with and inhale the sound cotton.

Compared with the prior art, the utility model provides an energy-conserving rectifier transformer of low pressure side filtering compensation has following beneficial effect:

this practical casing can guarantee with protection base connected mode when the top pulling force appears rocking, can play the effect of slow-down pressure, consequently can strengthen the security, through setting up tuned filter, not only can compensate the harmonic, but also can compensate reactive power, this practicality can accomplish the blast proof effect through the explosion-proof valve, consequently can further strengthen the security to can accomplish the heat dissipation of taking a breath through the mechanism of taking a breath, and inside gas can be followed the explosion-proof valve and discharged.

Drawings

Fig. 1 is a front view of the low-voltage side filtering compensation energy-saving rectifier transformer provided by the present invention;

fig. 2 is a cross-sectional view of the low-voltage side filtering compensation energy-saving rectifier transformer provided by the present invention;

fig. 3 is the utility model provides an explosion-proof valve profile view of low pressure side filtering compensation energy-saving rectifier transformer.

Reference numbers in the figures: 1. the high-voltage circuit comprises a shell, 2, an iron core, 3, a winding, 4, a tuning filter, 5, a first high-voltage circuit, 6, a second high-voltage circuit, 7, a mounting plate, 8, a hoisting ring, 9, a scavenging box, 10, an air pump, 11, a protective base, 12, a bearing plate, 13, a first spring, 14, an explosion-proof valve, 15, a flow hole, 16, an exhaust hole group, 17, a second spring, 18, a baffle, 19, a rubber plug block, 20 and sound-absorbing cotton.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a front view of the low-voltage side filtering compensation energy-saving rectifier transformer, fig. 2 is a sectional view of the low-voltage side filtering compensation energy-saving rectifier transformer, and fig. 3 is a sectional view of the explosion-proof valve of the low-voltage side filtering compensation energy-saving rectifier transformer. The low-voltage side filtering compensation energy-saving rectifier transformer comprises: casing 1, ventilation mechanism and protection base 11 are provided with iron core 2 in the casing 1, are provided with winding 3 on the iron core 2, install tuned filter 4 through the bolt on casing 1's the inner wall, and 1 top of casing is provided with high-tension line one 5 and two 6 of high-tension line, and high-tension line one 5 passes through the electric wire to be connected with tuned filter 4, and winding 3 passes through the electric wire to be connected with tuned filter 4 and two 6 of high-tension line respectively, because the utility model discloses internal tuned filter 4 that has used has consequently both compensatied the harmonic, but compensate reactive power again.

Referring to fig. 1, the welding of 1 top of casing has mounting panel 7, installs hoisting ring 8 on mounting panel 7, and protection base 11 sets up in 1 bottom of casing, is provided with the holding chamber in the protection base 11, and holding chamber top is provided with the opening, and the welding of 1 bottom of casing has bearing plate 12, and the card is established in the opening in 1 bottom of casing, and bearing plate 12 is established in the holding intracavity, and the butt fusion has a spring 13 between the inner wall in bearing plate 12 and holding chamber, the utility model discloses a hoist and mount installation back, the top receives the pulling force, when appearing becoming flexible, a spring 13 can play the effect of slow-down pressure, consequently can strengthen the security to can vibrate during the transformer work, spring 13 also can play the cushioning effect.

Referring to fig. 2 and 3, a through hole is formed in the housing 1, an explosion-proof valve 14 is welded in the through hole, an inner cavity is formed in the explosion-proof valve 14, a flow hole 15 and an exhaust hole group 16 are respectively formed in two sides of the inner wall of the inner cavity, a blocking piece 18 is welded on one side of the inner wall of the inner cavity through a second spring 17, the blocking piece 18 is tightly attached to the inner side of the flow hole 15, a rubber plug 19 is bonded on one side of the blocking piece 18, the rubber plug 19 is clamped in the flow hole 15, and the interior of the housing 1 can play a role of protection through the explosion-proof valve 14.

Referring to fig. 1 and 3, the specific use process is as follows: when the air pressure in the shell 1 is increased to a certain degree, the air pressure can push the rubber stopper 19 and the baffle plate 18 to extrude the second spring 17, then the internal air can pass through the gap between the flow hole 15 and the baffle plate 18 to enter the inner cavity, and finally the internal air can pass through the exhaust hole group 16 to be exhausted, so that the internal air pressure can be kept normal.

Referring to fig. 1 and 2, the ventilation mechanism includes a ventilation box 9 and an air pump 10, the ventilation box 9 is mounted on two sides of the housing 1 through bolts, the air pump 10 is mounted on the inner wall of the ventilation box 9 through bolts, one end of the air pump 10 is arranged in the housing 1, an air inlet slot is arranged on the ventilation box 9, internal ventilation and heat dissipation can be completed through the ventilation mechanism, the air pump 10 is connected with an external power supply, the air pump 10 can draw external air into the housing 1, so ventilation and heat dissipation can be completed, and internal air can be exhausted from the explosion-proof valve 14.

Referring to fig. 2, a receiving cavity is arranged inside the inner wall of the casing 1, and a sound absorption cotton 20 is clamped in the receiving cavity, and the sound absorption cotton 20 can absorb part of noise generated during the operation of the transformer, thereby having a noise reduction function.

The utility model discloses a theory of operation is: will this practicality be through the hoist and mount ring 8 completion hoist and mount installation, the top receives the pulling force, and when appearing not hard up, the effect of slow-down pressure can be played to spring one 13, consequently can strengthen the security to the transformer during operation can produce the vibration, and spring one 13 also can play the cushioning effect, because the utility model discloses internal use tuned filter 4, consequently both can compensate the harmonic, can compensate reactive power again.

The utility model discloses an explosion-proof effect can be accomplished to explosion-proof valve 14, when casing 1 inside atmospheric pressure increases to the certain degree, atmospheric pressure can promote rubber chock 19 and separation blade 18 extrusion spring two 17, then inside gas can pass the gap between flow hole 15 and the separation blade 18 and enter the interior intracavity, can pass exhaust vent group 16 at last and discharge, thereby can keep inside atmospheric pressure normal, the utility model discloses a ventilation mechanism can accomplish inside heat dissipation of taking a breath, is connected air pump 10 and external power supply, and air pump 10 can be with external air suction casing 1 in, consequently can accomplish the heat dissipation of taking a breath to inside gas can follow explosion-proof valve 14 and discharge, inhales the partial noise that sound cotton 20 can absorb the transformer during operation production, consequently has the function of making an uproar.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. Energy-conserving rectifier transformer of low pressure side filter compensation, its characterized in that includes:

the transformer comprises a shell (1), wherein an iron core (2) is arranged in the shell (1), a winding (3) is arranged on the iron core (2), a tuning filter (4) is installed on the inner wall of the shell (1) through a bolt, an installation plate (7) is welded at the top of the shell (1), and a hoisting ring (8) is installed on the installation plate (7);

the air exchange mechanism comprises an air exchange box (9) and an air pump (10), and the air exchange box (9) is installed on two sides of the shell (1) through bolts;

protection base (11), protection base (11) set up casing (1) bottom, be provided with the holding chamber in protection base (11), holding chamber top is provided with the opening, casing (1) bottom welding has bearing plate (12), casing (1) bottom card is established in the opening, bearing plate (12) card is established the holding intracavity, bearing plate (12) with the butt fusion has spring (13) between the inner wall in holding chamber.

2. The low-voltage side filter compensation energy-saving rectifier transformer of claim 1, wherein a first high-voltage line (5) and a second high-voltage line (6) are arranged on the top of the housing (1), the first high-voltage line (5) is connected with the tuned filter (4) through an electric wire, and the winding (3) is respectively connected with the tuned filter (4) and the second high-voltage line (6) through electric wires.

3. The low-voltage side filter compensation energy-saving rectifier transformer according to claim 1, wherein the air pump (10) is mounted on the inner wall of the air-exchanging box (9) through bolts, one end of the air pump (10) is arranged in the shell (1), and the air-exchanging box (9) is provided with an air inlet groove.

4. The low-voltage side filter compensation energy-saving rectifier transformer of claim 1, wherein a through hole is formed in the housing (1), an explosion-proof valve (14) is welded in the through hole, an inner cavity is formed in the explosion-proof valve (14), and a flow hole (15) and an exhaust hole group (16) are respectively formed in two sides of the inner wall of the inner cavity.

5. The low-voltage side filter compensation energy-saving rectifier transformer of claim 4, wherein a blocking piece (18) is welded on one side of the inner wall of the inner cavity through a second spring (17), and the blocking piece (18) is tightly attached to the inner side of the flow hole (15).

6. The low-voltage side filter compensation energy-saving rectifier transformer of claim 5, wherein a rubber plug (19) is bonded to one side of the baffle (18), and the rubber plug (19) is clamped in the flow hole (15).

7. The low-voltage side filter compensation energy-saving rectifier transformer of claim 1, wherein a receiving cavity is arranged inside the inner wall of the casing (1), and the sound-absorbing cotton (20) is clamped in the receiving cavity.