CN220985134U

CN220985134U - High-voltage energy-storage pulse power supply

Info

Publication number: CN220985134U
Application number: CN202322425092.5U
Authority: CN
Inventors: 高阳; 陈高平; 郭晓飞; 董志旭; 杨根海; 周航
Original assignee: Xi'an Xiaokeweier Technology Co ltd
Current assignee: Xi'an Xiaokeweier Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-05-17
Anticipated expiration: 2033-09-06

Abstract

The application discloses a high-voltage energy storage pulse power supply, which comprises a box body, a high-voltage capacitor, a charging switch, a discharging switch, a power supply assembly and a discharging binding post, wherein the high-voltage capacitor, the charging switch, the discharging switch, the power supply assembly and the discharging binding post are arranged in the box body; the output end of the power supply assembly is connected with the input end of the high-voltage capacitor, the charging switch is arranged on the loops of the power supply assembly and the high-voltage capacitor, the output end of the high-voltage capacitor is connected with the input end of the discharging binding post, and the discharging switch is arranged on the loops of the high-voltage capacitor and the discharging binding post; the charging switch and the discharging switch comprise solid-sealed polar poles and an electromagnetic control mechanism; and the force transmission end of the electromagnetic control mechanism is connected with the insulating pull rod of the solid-sealed polar pole, and when the charging switch and the discharging switch are disconnected, the movable end and the static end in the solid-sealed polar pole are separated. The application solves the problem of low reliability of the charge-discharge switch of the high-voltage energy-storage pulse power supply in the prior art.

Description

High-voltage energy-storage pulse power supply

Technical Field

The application belongs to the technical field of power supplies, and particularly relates to a high-voltage energy storage pulse power supply.

Background

The rock mass or the concrete is required to be broken in advance in the aspects of breaking and dismantling the urban concrete beam, pre-breaking tunnel rock and mine rock and the like, so that the further treatment is convenient. The explosive and other initiating explosive devices commonly used have larger technical advantages in rock breaking, but the shock waves generated by the explosive are poor in controllability, high in risk and poor in environmental protection, so that the rock breaking can be carried out by adopting a safer and environmental-friendly controllable shock wave transducer at present. When the rock is broken, the high-voltage energy storage pulse power supply discharges the controllable shock wave energy converter, short pulse high voltage is formed between the discharge electrodes of the controllable shock wave energy converter, the pulse high voltage breaks down the liquid phase medium to generate a plasma channel, and when electric energy is injected into the plasma channel, high temperature and high pressure are generated, so that the plasma channel expands outwards to generate a pulse pressure wave. The high-voltage energy storage pulse power supply discharges through the charge-discharge switch, so that the reliability requirement on the charge-discharge switch is high. In the use process of the existing charge-discharge switch, the electrode of the charge-discharge switch can be ablated by the discharge energy, so that the output shock wave energy is unstable, and the smooth progress of rock breaking is finally influenced.

Disclosure of utility model

The embodiment of the application solves the problem of low reliability of a charge-discharge switch of the high-voltage energy storage pulse power supply in the prior art by providing the high-voltage energy storage pulse power supply.

In order to achieve the above purpose, the embodiment of the utility model provides a high-voltage energy storage pulse power supply, which comprises a box body, and a high-voltage capacitor, a charging switch, a discharging switch, a power supply assembly and a discharging binding post which are arranged in the box body;

The output end of the power supply assembly is connected with the input end of the high-voltage capacitor, the charging switch is arranged on the loops of the power supply assembly and the high-voltage capacitor, the output end of the high-voltage capacitor is connected with the input end of the discharging binding post, and the discharging switch is arranged on the loops of the high-voltage capacitor and the discharging binding post;

The charging switch and the discharging switch comprise solid-sealed polar poles and an electromagnetic control mechanism; and the force transmission end of the electromagnetic control mechanism is connected with the insulating pull rod of the solid-sealed polar pole, and when the charging switch and the discharging switch are disconnected, the movable end and the static end in the solid-sealed polar pole are separated.

In one possible implementation, the power supply assembly includes a battery and a booster;

a charging interface is arranged on the storage battery; the high-voltage capacitor is provided with an input interface of an external power supply assembly;

The output end of the storage battery is connected to the input end of the booster, and the output end of the booster is used as the output end of the power supply assembly.

In a possible implementation, the high-voltage capacitor further comprises a bleeder circuit, wherein an input end of the bleeder circuit is connected to an output end of the high-voltage capacitor.

In one possible implementation, the electromagnetic control mechanism includes an electromagnetic assembly, a lever structure, and a tension spring;

The two ends of the lever structure are respectively the force transmission end and the control end, one end of the tension spring is fixedly arranged, and the other end of the tension spring and the telescopic end of the electromagnetic assembly are connected to the control end;

when the movable end and the static end in the solid-sealed polar pole are separated, the tension spring is in a primary stretching state;

when the electromagnetic assembly is powered on, a movable end and a static end in the solid-sealed polar pole are contacted, and the tension spring is in a secondary stretching state;

the length of the primary stretching state is smaller than that of the secondary stretching state.

In one possible implementation manner, the solid-sealed polar pole and the electromagnetic control mechanism are mounted on a supporting plate, and the supporting plate is fixedly mounted through a supporting frame;

The lever structure comprises a connecting rod and a hinging seat;

the hinge seat is arranged at the lower part of the supporting plate, and the middle part of the connecting rod is hinged to the hinge seat;

The insulating pull rod at the lower end of the solid-sealed pole penetrates through the supporting plate and then is connected to the force transmission end of the connecting rod;

The upper end of the tension spring is fixedly arranged, and the lower end of the tension spring penetrates through the supporting plate and is connected to the control end of the connecting rod;

the electromagnetic control mechanism comprises a sliding frame, a static iron core and a movable iron core;

The movable iron core is arranged above the static iron core, the upper end of the sliding frame is connected with the movable iron core, and the lower end of the sliding frame penetrates through the supporting plate and then is connected with the control end of the connecting rod.

In one possible implementation, the box includes a frame structure, a base plate, a wall plate, a moving wheel, a hanging ring, and a ring body;

The frame structure is arranged on the bottom plate, the wall plates are detachably arranged on the side wall and the top wall of the frame structure, the movable wheels are arranged on the lower part of the bottom plate, the ring body is arranged on the circumference of the frame structure, and the hanging ring is arranged on the top of the frame structure;

And a control panel is arranged on the wall plate.

One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:

The embodiment of the utility model provides a high-voltage energy storage pulse power supply, which is characterized in that when the power supply works, the output end of a discharge binding post is connected with a load, a charging switch is closed, a power supply assembly charges a high-voltage capacitor, and when the high-voltage capacitor is charged to a set voltage range, the charging is completed, and then the charging switch is opened. And closing a discharge switch, discharging the high-voltage capacitor to the load through a discharge binding post, and opening the discharge switch after the discharge is completed. When the charging switch or the discharging switch is required to be closed, the electromagnetic control mechanism is controlled to act, the force transmission end of the electromagnetic control mechanism drives the insulating pull rod to move upwards, and the insulating pull rod drives the moving end to move until the moving end is contacted with the static end. When the charging switch or the discharging switch is required to be disconnected, the electromagnetic control mechanism is controlled to act, the force transmission end of the electromagnetic control mechanism drives the insulating pull rod to move downwards, and the insulating pull rod drives the moving end to move until the moving end and the static end are separated. The reliability of the charge-discharge switch can be improved by arranging the solid-sealed polar pole and the electromagnetic control mechanism, the problem that the output shock wave energy is unstable due to electrode ablation of the charge-discharge switch caused by discharge energy is avoided, and therefore the charge-discharge switch is not required to be replaced frequently, and the smooth rock breaking work is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a high-voltage energy-storage pulse power supply according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of a high-voltage energy-storage pulse power supply according to an embodiment of the present utility model.

Fig. 3 is a schematic side view of an internal structure of a high-voltage energy-storage pulse power supply according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a charging switch according to an embodiment of the present utility model.

Fig. 5 is a front perspective view of an electromagnetic control mechanism according to an embodiment of the present utility model.

Fig. 6 is a perspective view of a rear view angle of an electromagnetic control mechanism according to an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a bleed circuit provided by an embodiment of the present utility model.

Reference numerals: 1-a control panel; 2-high voltage capacitor; 3-a charge switch; 4-a discharge switch; 5-a power supply assembly; 6-a discharge binding post; 7-fixedly sealing the polar post; 71-insulating pull rod; 8-an electromagnetic control mechanism; 81-an electromagnetic assembly; 811-a skid; 8111-main frame; 8112-sliding rod set; 8113-traction plate; 8114-connection base; 812-static iron core; 813-a moving core; 814-a housing; 815-a drawbar; 816-a buffer ring; 82-lever structure; 821-connecting rod; 822-a hinge seat; 823-force transmission end; 824—a manipulation end; 83-tension springs; 84-frame body; 85-adjusting the bracket; 9, a box body; 91-a support plate; 92-supporting frames; 93-a frame structure; 94-a bottom plate; 95-wallboard; 96-moving wheels; 97-hanging ring; 98-ring body; 10-bleed circuit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. 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.

In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

As shown in fig. 1 to 7, the high-voltage energy storage pulse power supply provided by the embodiment of the utility model comprises a box body 9, and a high-voltage capacitor 2, a charging switch 3, a discharging switch 4, a power supply assembly 5 and a discharging binding post 6 which are arranged in the box body 9.

The output of power supply module 5 is connected in the input of high-voltage capacitor 2, and charge switch 3 sets up on the return circuit of power supply module 5 and high-voltage capacitor 2, and the output of high-voltage capacitor 2 is connected in the input of discharge terminal 6, and discharge switch 4 sets up on the return circuit of high-voltage capacitor 2 and discharge terminal 6.

The charging switch 3 and the discharging switch 4 comprise a solid-sealed polar pole 7 and an electromagnetic control mechanism 8. The force transmission end 823 of the electromagnetic control mechanism 8 is connected to the insulating pull rod 71 of the solid-sealed pole 7, and when the charging switch 3 and the discharging switch 4 are disconnected, the movable end and the static end in the solid-sealed pole 7 are separated.

When the charging switch 3 or the discharging switch 4 is required to be closed, the electromagnetic control mechanism 8 is controlled to act, the force transmission end 823 of the electromagnetic control mechanism 8 drives the insulating pull rod 71 to move upwards, and the insulating pull rod 71 drives the moving end to move until the moving end and the static end are in contact. When the charging switch 3 or the discharging switch 4 is required to be disconnected, the electromagnetic control mechanism 8 is controlled to act, the force transmission end 823 of the electromagnetic control mechanism 8 drives the insulating pull rod 71 to move downwards, and the insulating pull rod 71 drives the moving end to move until the moving end and the static end are separated.

When the power supply works, the output end of the discharging binding post 6 is connected to a load, the charging switch 3 is closed, the power supply assembly 5 charges the high-voltage capacitor 2, and when the high-voltage capacitor 2 is charged to a set voltage range, the charging is completed, and then the charging switch 3 is opened. The discharge switch 4 is closed, the high-voltage capacitor 2 discharges the load through the discharge binding post 6, and after the discharge is finished, the discharge switch 4 is opened.

In the present embodiment, the power supply assembly 5 includes a battery and a booster.

The storage battery is provided with a charging interface. The high-voltage capacitor 2 is provided with an input interface of an external power supply assembly 5.

The output of battery is connected to the input of booster, and the output of booster is as the output of power module 5.

It should be noted that, the commercial power charges the high-voltage capacitor 2 through the input interface of the external power supply assembly 5. The storage battery can still ensure that the power supply can be charged and discharged normally for a plurality of times under the condition of no commercial power. The safe shutdown of the power supply can be ensured when the commercial power is suddenly lost.

In this embodiment, the high-voltage capacitor further includes a bleeder circuit 10, and an input end of the bleeder circuit 10 is connected to an output end of the high-voltage capacitor 2.

The bleeder circuit 10 includes a first resistor and a second resistor connected in series with the first resistor, wherein the first resistor has 2 first resistors and 2 first resistors are arranged in parallel, the first resistor is a noninductive resistor, and the second resistor is a 400 Ω -600Ω resistor.

After the capacitor is discharged, the residual voltage of the capacitor can be ensured to be free through the discharging loop 10. When the capacitor fails to discharge, the discharging loop 10 can also discharge the capacitor, so that the safety of the power supply is ensured. After the power supply is stopped, capacitance induction electricity can be discharged through the bleeder resistor, so that potential shock hazards of personnel are prevented.

In the present embodiment, the electromagnetic control mechanism 8 includes an electromagnetic assembly 81, a lever structure 82, and a tension spring 83.

The two ends of the lever structure 82 are a force transmission end 823 and a control end 824 respectively, one end of the tension spring 83 is fixedly installed, and the other end of the tension spring 83 and the telescopic end of the electromagnetic assembly 81 are connected to the control end 824.

When the movable end and the static end in the solid-sealed polar pole 7 are separated, the tension spring 83 is in a first-stage stretching state.

When the electromagnetic assembly 81 is powered on, the movable end and the static end in the solid-sealed polar pole 7 are contacted, and the tension spring 83 is in a secondary stretching state.

The length of the first stretched state is smaller than the length of the second stretched state.

When the tension spring 83 is in a first-stage tension state, the tension spring 83 pulls the insulation pull rod 71 to separate the movable end and the static end in the solid-sealed pole 7.

When the electromagnetic assembly 81 is powered on, the telescopic end of the electromagnetic assembly 81 drives the control end 824 to move, so that the movable end is contacted with the static end, the tension spring 83 is in a secondary stretching state, and the tension spring 83 can be restored to a primary stretching state under the action of elastic force after the electromagnetic assembly 81 is powered off.

In this embodiment, the solid-sealed pole 7 and the electromagnetic control mechanism 8 are mounted on a support plate 91, and the support plate 91 is fixedly mounted by a support frame 92.

The lever structure 82 includes a link 821 and a hinge mount 822. The hinge seat 822 is mounted to the lower portion of the support plate 91, and the middle portion of the link 821 is hinged to the hinge seat 822.

The insulating tie rod 71 at the lower end of the solid-sealed pole 7 passes through the supporting plate 91 and then is connected to the force transmission end 823 of the connecting rod 821.

The upper end of the tension spring 83 is fixedly installed, and the lower end of the tension spring 83 passes through the support plate 91 and is then connected to the control end 824 of the connecting rod 821.

Electromagnetic assembly 81 includes a slider 811, a stationary core 812, and a moving core 813. The movable core 813 is disposed above the stationary core 812, an upper end of the sliding frame 811 is connected to the movable core 813, and a lower end of the sliding frame 811 passes through the support plate 91 and is then connected to the control end 824 of the link 821.

The stationary core 812 is mounted on the support plate 91, and an electromagnetic coil is provided on the stationary core 812.

The glide bracket 811 includes a main frame 8111, a glide rod set 8112, a traction plate 8113, and a connection base 8114. The sliding rod groups 8112 are disposed on two sides of the main frame 8111, the lower ends of the sliding rod groups 8112 on two sides penetrate through the supporting plate 91 and are respectively connected to two ends of the traction plate 8113, the connection base 8114 is mounted on the middle part of the traction plate 8113, and the connection base 8114 is hinged to the control end 824 of the connecting rod 821. The arrangement of the two sliding rod sets 8112 can improve the stability of the sliding frame 811 in moving, and facilitate the reliable conversion of the magnetic force of the electromagnet into thrust.

The static core 812 is installed in the housing 814, and a through hole is provided at an upper end of the housing 814. The movable core 813 is mounted on the sliding frame 811 by a drawbar 815, and a lower end of the movable core 813 extends into a through hole of the housing 814. The lower end of the moving core 813 protrudes into the through hole of the housing 814, thereby preventing foreign materials from entering between the moving core 813 and the stationary core 812 and affecting the moving distance of the force transmitting end 823.

A buffer ring 816 matched with the upper end of the shell 814 is arranged in a circumferential ring groove of the movable iron core 813. When the movable core 813 moves downward, the buffer ring 816 can buffer the movable core 813, thereby achieving the purpose of shock absorption.

The housing 814 is provided with a frame 84, the upper end of the adjusting bracket 85 is screwed into a threaded hole of the frame 84, the lower end of the adjusting bracket 85 is provided with a fork lug, and the upper end of the tension spring 83 is connected to the fork lug through a fastening pin. The length of the screw hole of the adjusting bracket 85 screwed into the bracket body 84 is changed, and the length of the tension spring 83 can be changed, thereby changing the tension force of the tension spring 83 in the initial state. The upper end of the tension spring 83 is connected to the fork ear through a fastening pin, so that the tension spring 83 can be conveniently disassembled and assembled.

In this embodiment, the case 9 includes a frame structure 93, a bottom plate 94, a wall plate 95, a moving wheel 96, a hanging ring 97, and a ring body 98.

The frame structure 93 is mounted on the bottom plate 94, the wall plate 95 is detachably mounted on the side wall and the top wall of the frame structure 93, the moving wheel 96 is mounted on the lower portion of the bottom plate 94, the ring body 98 is mounted on the circumference of the frame structure 93, and the hanging ring 97 is mounted on the top of the frame structure 93.

The wall plate 95 is provided with a control panel 1.

It should be noted that, the ring 98 may be convenient for a worker to push the power supply by hand, or may be pulled by connecting the ring 98 with a pull cord. The lifting mechanism can lift the power supply to a set position through the lifting ring 97.

The number of the high-voltage capacitors 2 is two, the two high-voltage capacitors 2 are arranged in parallel, the two high-voltage capacitors 2 are arranged on one side of the bottom plate 94, the charging switch 3 and the discharging switch 4 are arranged on the other side of the bottom plate 94, and the power supply assembly 5 and the control panel 1 are arranged on the upper portion of the frame structure 93. The high-voltage capacitor 2 is electrically connected with the charging switch 3 and the discharging switch 4 through copper bars.

In the present embodiment, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. The utility model provides a high voltage energy storage pulse power, its characterized in that: the high-voltage power supply device comprises a box body (9), and a high-voltage capacitor (2), a charging switch (3), a discharging switch (4), a power supply assembly (5) and a discharging binding post (6) which are arranged in the box body (9);

The output end of the power supply assembly (5) is connected with the input end of the high-voltage capacitor (2), the charging switch (3) is arranged on the loops of the power supply assembly (5) and the high-voltage capacitor (2), the output end of the high-voltage capacitor (2) is connected with the input end of the discharge binding post (6), and the discharge switch (4) is arranged on the loops of the high-voltage capacitor (2) and the discharge binding post (6);

The charging switch (3) and the discharging switch (4) comprise solid-sealed polar poles (7) and an electromagnetic control mechanism (8); the force transmission end (823) of the electromagnetic control mechanism (8) is connected to the insulating pull rod (71) of the solid-sealed pole (7), and when the charging switch (3) and the discharging switch (4) are disconnected, the movable end and the static end in the solid-sealed pole (7) are separated.

2. The high voltage stored energy pulsed power supply of claim 1, wherein: the power supply assembly (5) comprises a storage battery and a booster;

A charging interface is arranged on the storage battery; an input interface of an external power supply assembly (5) is arranged on the high-voltage capacitor (2);

The output end of the storage battery is connected to the input end of the booster, and the output end of the booster is used as the output end of the power supply assembly (5).

3. The high voltage stored energy pulsed power supply of claim 1, wherein: the high-voltage capacitor also comprises a release loop (10), wherein the input end of the release loop (10) is connected with the output end of the high-voltage capacitor (2).

4. The high voltage stored energy pulsed power supply of claim 1, wherein: the electromagnetic control mechanism (8) comprises an electromagnetic assembly (81), a lever structure (82) and a tension spring (83);

The two ends of the lever structure (82) are respectively the force transmission end (823) and the control end (824), one end of the tension spring (83) is fixedly installed, and the other end of the tension spring (83) and the telescopic end of the electromagnetic assembly (81) are connected to the control end (824);

when the movable end and the static end in the solid-sealed polar pole (7) are separated, the tension spring (83) is in a primary stretching state;

When the electromagnetic assembly (81) is powered on, the movable end and the static end in the solid-sealed polar pole (7) are contacted with each other, and the tension spring (83) is in a secondary stretching state;

5. The high voltage stored energy pulsed power supply of claim 4, wherein: the solid-sealed polar pole (7) and the electromagnetic control mechanism (8) are arranged on a supporting plate (91), and the supporting plate (91) is fixedly arranged through a supporting frame (92);

The lever structure (82) comprises a connecting rod (821) and a hinge seat (822);

The hinge seat (822) is arranged at the lower part of the supporting plate (91), and the middle part of the connecting rod (821) is hinged on the hinge seat (822);

An insulating pull rod (71) at the lower end of the solid-sealed polar pole (7) penetrates through the supporting plate (91) and then is connected to a force transmission end (823) of the connecting rod (821);

The upper end of the tension spring (83) is fixedly arranged, and the lower end of the tension spring (83) penetrates through the supporting plate (91) and is then connected to the control end (824) of the connecting rod (821);

the electromagnetic control mechanism (8) comprises a sliding frame (811), a static iron core (812) and a movable iron core (813);

the movable iron core (813) is arranged above the static iron core (812), the upper end of the sliding frame (811) is connected to the movable iron core (813), and the lower end of the sliding frame (811) penetrates through the supporting plate (91) and then is connected to the control end (824) of the connecting rod (821).

6. The high voltage stored energy pulsed power supply of claim 1, wherein: the box body (9) comprises a frame structure (93), a bottom plate (94), a wall plate (95), a moving wheel (96), a hanging ring (97) and a ring body (98);

The frame structure (93) is mounted on the bottom plate (94), the wall plates (95) are detachably mounted on the side wall and the top wall of the frame structure (93), the moving wheels (96) are mounted on the lower portion of the bottom plate (94), the ring body (98) is mounted on the circumference of the frame structure (93), and the hanging rings (97) are mounted on the top of the frame structure (93);

The wall plate (95) is provided with a control panel (1).