CN218181013U

CN218181013U - Improved frequency conversion series resonance device

Info

Publication number: CN218181013U
Application number: CN202221839313.2U
Authority: CN
Inventors: 操立群; 刘常健
Original assignee: Wuhan Fankehaiwo High Voltage Technology Co ltd
Current assignee: Wuhan Fankehaiwo High Voltage Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-30
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to an improved generation variable frequency series resonance device, including the detection module, it includes module casing and removes the protection component, removes the protection component and includes the protective housing that covers outside the detection module and locates the shock attenuation heat-dissipating part between protective housing and the detection module; the utility model discloses an established removal protection component, can be at the in-process that detection module removed, utilize the principle of hydraulic pressure buffering, the vibrations to removing the in-process production are absorbed by the buffer solution between moving part and the buffering external member, whole required buffering stroke is shorter, and simultaneously, because the moving part is inside to communicate with each other with the buffering external member is inside, therefore, produced heat also can transmit to the buffering external member via the moving part in the detection module, transmit to the outside of protecting crust by the buffering external member again, thereby realize giving off of heat to the external world, when guaranteeing buffer function, also can possess certain heat dissipation function, the probability that the long-time continuous operation of reduction means broke down.

Description

Improved generation variable frequency series resonance device

Technical Field

The utility model relates to a frequency conversion series resonance test equipment technical field, concretely relates to improved generation frequency conversion series resonance device.

Background

The frequency conversion series resonance test device is used for testing the alternating current tolerance of equipment by utilizing the principle of series resonance in the power industry, and can effectively avoid the accident caused when the equipment breaks down in the actual working process.

The existing partial frequency conversion series resonance test device assembles the reactor, the transformer, the power supply and the voltage divider in a shell, thereby realizing the function of convenient carrying, not needing to singly separately carry and wire each device, and considering that the moving process often can be subjected to the vibration of different degrees, therefore, people are equipped with the damping mechanism for damping in the device.

And current damper part is spring structure, and the buffering stroke distance that leaves for spring mechanism is limited, it is relatively poor in the face of great impulsive force buffering effect, and simultaneously, in the course of the work, the inside electrical component of device often can inevitable produce more heat, and the mode of buffering through spring mechanism often needs to keep apart the electrical equipment that needs the buffering with the shell, and set up spring mechanism in the interval, the heat that produces is remained easily and can't be derived smoothly in the space, lead to equipment to locate ambient temperature higher easily, unable long-time continuous operation, there is certain influence to the actual test process.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides an improved generation frequency conversion series resonance device to solve the damping device shock attenuation among the current frequency conversion series resonance device and the relatively poor technical problem of radiating effect.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

an improved variable frequency series resonant device comprising:

the detection module comprises a module shell, and an excitation transformer, a resonance reactor, a voltage divider and a variable frequency power supply which are arranged in the module shell;

the movable protection assembly comprises a protective shell covering the outside of the detection module and a shock absorption and heat dissipation part arranged between the protective shell and the detection module, and is used for conducting heat generated by the detection module and absorbing shock generated in the moving process.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the shock attenuation radiating part is including locating the moving part on module housing surface and locating the inside buffering external member of protecting crust, the inside of buffering external member is equipped with the cavity that holds buffer solution, the surface of buffering external member is equipped with the opening that stretches into its inside cavity with the moving part.

Furthermore, the surface of the moving part is provided with an extrusion part for extruding buffer liquid in the buffer sleeve.

Further, leave the space that is used for buffer solution to pass through between the inner wall of extruded piece and the inside cavity of buffering external member, the surface intercommunication that the buffering external member is close to the moving part has the stock solution spare to buffer solution enters into the stock solution spare when supplying the extruded piece to extrude the inside buffer solution of buffering external member.

Furthermore, the liquid storage part is made of elastic materials, and the surface of the liquid storage part is not contacted with the surface of the module shell when the liquid storage part does not receive the buffer liquid in the buffer sleeve.

Furthermore, the inside of the moving part is provided with a cavity communicated with the cavity in the buffering sleeve member.

Furthermore, the one end that the moving part was kept away from to the buffering external member is equipped with the heat conduction plate spare, the one side that the buffering external member was kept away from to the heat conduction plate spare extends to the outside of protecting crust, and the one side that the buffering external member was kept away from to the heat conduction plate spare is equipped with a plurality of heat conduction fins.

Furthermore, the surface of protective housing is equipped with the recess that holds heat conduction fin and heat conduction plate looks adaptation, the heat conduction fin does not extend to the outside of recess.

Furthermore, the bottom of the inner cavity of the protective shell is provided with a plurality of buffer support pieces for supporting the detection module, and a cushion pad is arranged between each buffer support piece and the detection module.

Furthermore, a gap for ventilation is reserved between the buffering support pieces, a ventilation device communicated with the outside is arranged in the protective shell at a position between the buffering support pieces, and a movable support piece for communicating the ventilation device with the outside is arranged at the bottom of the protective shell.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the utility model discloses an established removal protective assembly, can be at the in-process that detection module removed, utilize the principle of hydraulic pressure buffering, the vibrations that produce to removing the in-process are absorbed by the buffer solution between moving part and the buffering external member, whole required buffering stroke is shorter, and simultaneously, because the moving part is inside to communicate with each other with the buffering external member, therefore, produced heat also can transmit to the buffering external member via the moving part among the detection module, transmit to the outside of protecting crust by the buffering external member again, thereby realize giving off of heat to the external world, when guaranteeing buffer function, also can possess certain heat dissipation function, the probability that the long-time continuous operation of reduction means broke down appears.

Drawings

Fig. 1 is a schematic structural diagram of an improved variable frequency series resonant device provided in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is an enlarged view of a portion of area A of FIG. 1;

FIG. 4 is a schematic view of an embodiment of the present invention showing a structure of a buffer support

In the drawings, the components represented by the respective reference numerals are listed below:

1. a detection module; 11. a module housing; 12. an excitation transformer; 13. a resonance reactor; 14. a voltage divider; 15. a variable frequency power supply; 2. a mobile protective component; 21. a protective shell; 22. a shock-absorbing heat-dissipating portion; 221. a movable member; 222. a buffer kit; 223. a liquid storage member; 224. a heat conductive plate; 225. a heat conductive fin; 226. a buffer support; 227. a ventilation device; 228. a movable support member.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.

The terms "comprises/comprising" or "having" and the like specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to fig. 1-4, an improved variable frequency series resonant device includes a detection module 1 and a movable protection component 2 disposed outside the detection module 1.

The detection module 1 is composed of electrical components required in the existing variable-frequency series resonance device, and specifically comprises a module shell 11 and an exciting transformer 12 arranged in the module shell 11, a resonance reactor 13, a voltage divider 14 and a variable-frequency power supply 15, a control panel is arranged on the surface of the module shell 11, a socket connected with the electrical components inside the module shell 11 is arranged on the surface of the control panel, a detection instrument and a display screen are arranged on the surface of the control panel, an external circuit can be connected with various electrical equipment according to experimental needs, and the alternating current voltage resistance of the electronic equipment is effectively tested.

Further, the movable protection component 2 includes a protection shell 21 covering the outside of the detection module 1 and a shock-absorbing heat-dissipating part 22 disposed between the protection shell 21 and the detection module 1 for conducting heat generated by the detection module 1 and absorbing shock generated during the moving process, the shock-absorbing heat-dissipating part 22 includes a movable member 221 disposed on the surface of the module housing 11 and a buffering sleeve member 222 disposed inside the protection shell 21, a cavity for accommodating a buffer solution is disposed inside the buffering sleeve member 222, an opening for the movable member 221 to extend into the internal cavity is disposed on the surface of the buffering sleeve member 222, when receiving shock, the movable member 221 and the buffering sleeve member 222 between the detection module 1 and the protection shell 21 can move relative to each other, so as to extrude the buffer solution between the buffering sleeve member 222 and the movable member 221, and absorb the generated shock by using a hydraulic buffering principle.

Meanwhile, in order to increase the resistance of the movable element 221 in the buffer kit 222, an extrusion piece 229 for extruding a buffer solution in the buffer kit 222 is arranged on the surface of the movable element 221, a gap for allowing the buffer solution to pass through is reserved between the extrusion piece 229 and the inner wall of the cavity in the buffer kit 222, and further, considering that a part of the buffer solution needs to be discharged after being extruded to reserve a movable space for the movable element 221, a liquid storage piece 223 is communicated with the surface of the buffer kit 222, which is close to the movable element 221, so that the buffer solution enters the liquid storage piece 223 when the extrusion piece 229 extrudes the buffer solution in the buffer kit 222, wherein the liquid storage piece 223 is communicated with the buffer kit 222 through a hose, and after the buffer solution in the buffer kit 222 is extruded, the buffer solution can be discharged into the liquid storage piece 223 through a pipe to reserve the movable space for the movable element 221 and provide a certain resistance, thereby realizing a buffer function.

The liquid storage component 223 is made of elastic materials, the surface of the liquid storage component 223 does not contact with the surface of the module shell 11 when the liquid storage component 223 does not receive buffer liquid in the buffer kit 222, the liquid storage component 223 is preferably made of rubber materials, the liquid storage component 223 is preferably evenly distributed at the positions of four corners in the protective shell 21, the buffer kit 222 and the movable piece 221 are evenly distributed around the detection module 1, when the buffer kit 222 and the movable piece 221 move mutually, the liquid storage component 223 can expand and contact with the surface of the detection module 1, and the buffer kit 222 is matched to absorb shock on the surface of the detection module 1.

Referring to fig. 3, a cavity communicated with an internal cavity of the buffering sleeve member 222 is disposed inside the moving member 221 of the present embodiment, a heat conducting plate member 224 is disposed at one end of the buffering sleeve member 222 away from the moving member 221, one surface of the heat conducting plate member 224 away from the buffering sleeve member 222 extends to the outside of the protective shell 21, and a plurality of heat conducting fins 225 are disposed at one surface of the heat conducting plate member 224 away from the buffering sleeve member 222, wherein the moving member 221, the heat conducting member, and the heat conducting fins 225 are preferably made of a metal with good heat conductivity, such as copper alloy, and heat emitted from the detection module 1 can be transferred to the surface of the heat conducting plate member 224 through the moving member 221, and a heat exchange area contacting with outside air is increased through the heat conducting fins 225, so as to improve heat dissipation efficiency, and absorb shock for the detection module 1, and also transfer heat generated in the shock absorption module, thereby effectively prolonging working time of the detection module.

In consideration of the fact that the heat dissipation fins are exposed to objects which are likely to be hung on the outside during movement, grooves for accommodating the heat conduction fins 225 and matching with the heat conduction plate member 224 are provided on the surface of the protective case 21, and the heat conduction fins 225 do not extend to the outside of the grooves.

Referring to fig. 2 and 4, a plurality of buffer support members 226 are disposed at the bottom of the inner cavity of the protective casing 21 for supporting the detection module 1, a buffer pad is disposed between the buffer support members 226 and the detection module 1, a gap for ventilation is left between the buffer support members 226, a ventilation device 227 communicated with the outside is disposed at a position inside the protective casing 21 between the buffer support members 226, a movable support member 228 for communicating the ventilation device 227 with the outside is disposed at the bottom of the protective casing 21, the buffer support members 226 are integrally in a strip structure, a suitable heat dissipation channel is reserved at the bottom of the detection module 1 while supporting the detection module 1, and an air draft device is used to blow out heat inside the protective casing 21, wherein the air draft device is preferably a fan, the movable support member 228 is preferably a universal wheel, and by blowing the fan out, external dirt can be effectively prevented from entering the interior of the protective casing 21 from the fan while dissipating heat, and heat can be dissipated more efficiently and safely.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An improved variable frequency series resonant device, comprising:

the detection module (1) comprises a module shell (11), and an excitation transformer (12), a resonance reactor (13), a voltage divider (14) and a variable frequency power supply (15) which are arranged in the module shell (11); the movable protection assembly (2) comprises a protection shell (21) covering the outside of the detection module (1) and a shock-absorbing heat dissipation part (22) arranged between the protection shell (21) and the detection module (1), and is used for conducting heat generated by the detection module (1) and absorbing vibration generated in the moving process.

2. The improved frequency conversion series resonance device as recited in claim 1, wherein the shock-absorbing heat dissipation part (22) comprises a movable part (221) disposed on the surface of the module housing (11) and a buffering sleeve part (222) disposed inside the protective shell (21), a cavity for accommodating a buffering liquid is disposed inside the buffering sleeve part (222), and an opening for the movable part (221) to extend into the cavity is disposed on the surface of the buffering sleeve part (222).

3. An improved frequency-converting series resonance device according to claim 2, wherein the surface of said movable member (221) is provided with an extrusion member (229) for extruding the buffer fluid inside the buffer sleeve member (222).

4. The improved frequency conversion series resonance device as claimed in claim 3, wherein a gap for buffer solution to pass through is left between the extrusion member (229) and the inner wall of the cavity in the buffer kit (222), and the surface of the buffer kit (222) close to the movable member (221) is communicated with the liquid storage member (223) so that the buffer solution enters the liquid storage member (223) when the extrusion member (229) extrudes the buffer solution in the buffer kit (222).

5. The improved variable frequency series resonance device as recited in claim 4, wherein the liquid storage member (223) is made of an elastic material, and a surface of the liquid storage member (223) is not in contact with a surface of the module case (11) when the liquid storage member does not receive the buffer liquid inside the buffer member (222).

6. The improved variable frequency series resonant device according to claim 5, characterized in that the movable member (221) is internally provided with a chamber communicating with the cavity inside the damping sleeve member (222).

7. The improved variable frequency series resonance device according to claim 6, wherein a heat conducting plate (224) is disposed at an end of the damping sleeve member (222) away from the movable member (221), a surface of the heat conducting plate (224) away from the damping sleeve member (222) extends to an outside of the shielding case (21), and a plurality of heat conducting fins (225) are disposed at a surface of the heat conducting plate (224) away from the damping sleeve member (222).

8. The improved variable frequency series resonance device as claimed in claim 7, wherein the surface of said shielding case (21) is provided with grooves for receiving heat conductive fins (225) to fit with the heat conductive plate member (224), said heat conductive fins (225) not extending to the outside of the grooves.

9. The improved variable frequency series resonance device according to claim 8, wherein the bottom of the inner cavity of the protective shell (21) is provided with a plurality of buffer supports (226) for supporting the detection module (1), and a buffer pad is arranged between the buffer supports (226) and the detection module (1).

10. The improved frequency conversion series resonance device according to claim 9, wherein a plurality of said buffer supports (226) are spaced apart from each other for ventilation, a ventilation device (227) communicating with the outside is disposed inside the protective housing (21) at a position between the buffer supports (226), and a movable support (228) communicating with the outside is disposed at the bottom of the protective housing (21) for the ventilation device (227).