CN219285312U

CN219285312U - Safe dummy load

Info

Publication number: CN219285312U
Application number: CN202320718087.0U
Authority: CN
Inventors: 邓道阳
Original assignee: Nanjing Ningpu Lighting Protection Technology Co ltd
Current assignee: Nanjing Ningpu Lighting Protection Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-30
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a safe dummy load, comprising: the main part and fire-retardant mechanism, the main part includes load body, fin and roof, roof fixed connection is at load body top, the fin is in the equal fixedly connected with multiunit of load body outer wall both sides, fire-retardant mechanism includes annular storehouse, the installation section of thick bamboo, piston assembly and hides a section of thick bamboo, annular storehouse cover is established and fixed connection is in the load body outside and be located a plurality of groups fin below, the installation section of thick bamboo is provided with two sets of, installation section of thick bamboo one end and roof fixed connection, the other end and annular storehouse fixed connection hide the section of thick bamboo cover and establish in the annular storehouse outside, the annular storehouse intussuseption is filled with the fire retardant, piston assembly be provided with two sets of and respectively with two sets of installation section of thick bamboo sliding connection and hide a section of thick bamboo fixed connection, its beneficial effect is: the flame-retardant mechanism is arranged, so that the characteristic of decomposing and releasing the non-combustible gas by utilizing the nitrogen flame retardant is utilized to push the shielding cylinder to close the load body when the dummy load burns on fire, and the flame burning is restrained by the non-combustible gas, so that the expansion of fire is avoided.

Description

Safe dummy load

Technical Field

The utility model relates to the technical field of dummy loads, in particular to a safe dummy load.

Background

The dummy load is a component, a part or a device for receiving electric power at a certain circuit or an electric appliance output port instead of a terminal, and is an informal load temporarily used when debugging or detecting the performance of a machine.

The dummy load can produce a large amount of heat at the during operation, and current dummy load all dispels the heat to it through setting up heat radiation structure, lacks fire-retardant measure, lacks the safety guarantee when the dummy load fires burning, and the conflagration easily spreads, leads to great economic loss, consequently, needs a safe type dummy load in order to solve above-mentioned problem.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-described problem of a secure dummy load.

Therefore, the utility model aims to provide a safe dummy load which is used for solving the problems that the existing dummy load lacks flame retardant measures, the safety guarantee is lacking when the dummy load fires and burns, the fire is easy to spread, and large economic loss is caused.

In order to solve the technical problems, the utility model provides the following technical scheme: a secure dummy load comprising:

the main body comprises a load body, cooling fins and a top plate, wherein the top plate is fixedly connected to the top of the load body, a plurality of groups of cooling fins are fixedly connected to two sides of the outer wall of the load body, the plurality of groups of cooling fins are distributed at equal intervals along the vertical direction, and gaps between the plurality of groups of cooling fins on two sides form two groups of mounting grooves;

the flame retardant mechanism comprises an annular bin, a mounting cylinder, a piston assembly and a shielding cylinder, wherein the annular bin is sleeved with the mounting cylinder and fixedly connected to the outer side of a load body and located below a plurality of groups of radiating fins, the mounting cylinder is provided with two groups of mounting cylinders, the two groups of mounting cylinders are respectively arranged in two groups of mounting grooves, one end of each mounting cylinder is fixedly connected with a top plate, the other end of each mounting cylinder is fixedly communicated with the annular bin, the shielding cylinder is matched with the annular bin in size and sleeved on the outer side of the annular bin, the surfaces of the two groups of mounting cylinders are provided with air outlet holes and sliding grooves, the sliding grooves are located above the air outlet holes, the annular bin is filled with flame retardant, the piston assembly is provided with two groups of piston assemblies, and the two groups of piston assemblies are respectively connected with the two groups of mounting cylinders in a sliding mode and are fixedly connected with the shielding cylinders.

As a preferred embodiment of the present utility model, a safety dummy load is provided, wherein: the piston assembly comprises a piston, a connecting rod and a connecting block, wherein the piston is slidably connected in a mounting cylinder, the connecting rod is fixedly connected to the top of the piston, one end of the connecting block is fixedly connected with the connecting rod, the other end of the connecting block penetrates through a sliding groove and then is fixedly connected with a shielding cylinder, and the piston is located below an air outlet.

As a preferred embodiment of the present utility model, a safety dummy load is provided, wherein: the distance from the top of the shielding cylinder to the top plate is smaller than the distance from the bottom of the shielding cylinder to the top of the annular bin, and the distance from the bottom of the piston to the air outlet hole is smaller than the distance from the top of the shielding cylinder to the top plate.

As a preferred embodiment of the present utility model, a safety dummy load is provided, wherein: the annular bin, the mounting cylinder and the shielding cylinder are all made of aluminum alloy materials, and the flame retardant is a nitrogen flame retardant.

As a preferred embodiment of the present utility model, a safety dummy load is provided, wherein: the roof is aluminum alloy material, the roof edge has the chamfer.

As a preferred embodiment of the present utility model, a safety dummy load is provided, wherein: the connecting rod is arranged in an overlapping mode with the axis of the piston, and the size of the connecting block is matched with that of the sliding groove.

The utility model has the beneficial effects that: the flame-retardant mechanism is arranged, so that the characteristic that the nitrogen flame retardant is decomposed to release non-combustible gas is utilized to push the shielding cylinder to seal the load body when the dummy load burns on fire, and the flame burning is restrained through the non-combustible gas, so that the expansion of fire is avoided, and the economic loss is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of a safety dummy load according to the present utility model.

Fig. 2 is a schematic view of a partial cut-away structure of a safety dummy load according to the present utility model.

Fig. 3 is a schematic view of a partial cross-sectional structure of a safety dummy load according to the present utility model.

Description of the drawings: 100. a main body; 101. a load body; 102. a heat sink; 103. a top plate; 200. a flame retardant mechanism; 201. an annular bin; 202. a mounting cylinder; 203. a piston; 204. a connecting rod; 205. a connecting block; 206. a shielding cylinder; 202a, air outlet holes; 202b, a chute.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Referring to fig. 1-3, for one embodiment of the present utility model, a secure dummy load is provided, comprising:

the main body 100 comprises a load body 101, cooling fins 102 and a top plate 103, wherein the top plate 103 is fixedly connected to the top of the load body 101, the cooling fins 102 are fixedly connected with a plurality of groups on two sides of the outer wall of the load body 101, the cooling fins 102 are distributed at equal intervals along the vertical direction, and gaps between the cooling fins 102 on two groups form two groups of mounting grooves;

the flame-retardant mechanism 200 comprises an annular bin 201, a mounting cylinder 202, a piston assembly and a shielding cylinder 206, wherein the annular bin 201 is sleeved and fixedly connected to the outer side of a load body 101 and is positioned below a plurality of groups of cooling fins 102, the mounting cylinder 202 is provided with two groups, the two groups of mounting cylinders 202 are respectively arranged in the two groups of mounting grooves, one end of the mounting cylinder 202 is fixedly connected with a top plate 103, the other end of the mounting cylinder is fixedly communicated with the annular bin 201, the shielding cylinder 206 is matched with the annular bin 201 in size and sleeved on the outer side of the annular bin 201, the surfaces of the two groups of mounting cylinders 202 are provided with air outlet holes 202a and sliding grooves 202b, the sliding grooves 202b are positioned above the air outlet holes 202a, the annular bin 201 is filled with flame retardant, the piston assembly is provided with two groups, the two groups of piston assembly are respectively in sliding connection with the two groups of mounting cylinders 202 and are fixedly connected with the shielding cylinder 206, the two groups of piston assembly are used for driving the shielding cylinder 206 to move upwards to be matched with the annular bin 201 and the top plate 103 under the pushing of the non-combustible gas generated by the flame retardant decomposition, the piston assembly comprises a piston 203, a connecting rod 204 and a connecting block 205, the piston 203 is slidingly connected in the mounting cylinder 202, the top plate 204 is fixedly connected to the piston 202, one end of the connecting rod 204 is fixedly arranged on the surface of the mounting cylinder 202, the connecting rod 202 is fixedly connected to the piston 202, one end of the connecting rod 202 is fixedly connected to the piston 202, and the other end of the connecting rod 202 passes through the connecting rod 202 is fixedly connected to the connecting rod 202 and passes through the connecting rod 202a lower end 206 and fixedly connected to the connecting rod 202b arranged at the side and passes through the side and is fixedly connected to the connecting end side arranged on the side connecting end side right side between the side connecting end side and lower end connecting rod 202 and lower end between the sealing plate and sealing end of the sealing plate and sealing joint 202.

It should be noted that, the distance from the top of the shielding cylinder 206 to the top plate 103 is smaller than the distance from the bottom of the shielding cylinder 206 to the top of the annular bin 201, the distance from the bottom of the piston 203 to the air outlet 202a is smaller than the distance from the top of the shielding cylinder 206 to the top plate 103, normal operation of the device is ensured, the annular bin 201, the mounting cylinder 202 and the shielding cylinder 206 are all made of aluminum alloy, the heat conduction effect is good, corrosion resistance is realized, the flame retardant is a nitrogen flame retardant, environmental pollution is small, the flame retardant effect is good, the top plate 103 is made of aluminum alloy, the edge of the top plate 103 is provided with a chamfer, sharp-edge scratch personnel are avoided, the connecting rod 204 and the axis of the piston 203 are overlapped, the size of the connecting block 205 is matched with the chute 202b, and stability of the shielding cylinder 206 is ensured.

Working principle: when the load body 101 fires and burns, nitrogen flame retardant filled in the annular bin 201 absorbs heat and decomposes to release non-combustible gas, the pressure in the annular bin 201 increases, the piston 203 is pushed to move upwards, the piston 203 drives the shielding cylinder 206 to move upwards through the connecting rod 204 and the connecting block 205, when the shielding cylinder 206 abuts against the top plate 103, the piston 203 cannot move upwards continuously, at the moment, the top plate 103, the shielding cylinder 206 and the annular bin 201 are positioned above the air outlet hole 202a to seal the outer side of the load body 101, the non-combustible gas is released through the air outlet hole 202a, flame burning is restrained, and the expansion of fire is avoided.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A secure dummy load, comprising:

the main body (100) comprises a load body (101), cooling fins (102) and a top plate (103), wherein the top plate (103) is fixedly connected to the top of the load body (101), the cooling fins (102) are fixedly connected with a plurality of groups on two sides of the outer wall of the load body (101), the cooling fins (102) are distributed at equal intervals along the vertical direction, and gaps between the cooling fins (102) on two sides form two groups of mounting grooves;

the flame-retardant mechanism (200) comprises an annular bin (201), a mounting cylinder (202), a piston assembly and a shielding cylinder (206), wherein the annular bin (201) is sleeved and fixedly connected to the outer side of a load body (101) and located below a plurality of groups of cooling fins (102), the mounting cylinder (202) is provided with two groups, the two groups of mounting cylinders (202) are respectively arranged in two groups of mounting grooves, one end of the mounting cylinder (202) is fixedly connected with a top plate (103), the other end of the mounting cylinder is fixedly connected with the annular bin (201), the shielding cylinder (206) is in fit with the annular bin (201) and sleeved on the outer side of the annular bin (201), the two groups of mounting cylinders (202) are provided with air outlet holes (202 a) and sliding grooves (202 b), the sliding grooves (202 b) are located above the air outlet holes (202 a), the annular bin (201) are internally filled with flame retardants, the two groups of the piston assembly are respectively in sliding connection with the two groups of mounting cylinders (202) and are fixedly connected with the shielding cylinder (206), and the piston assembly is used for driving the annular bin (201) to be matched with the flame retardant to drive the annular bin (201) to move under the flame retardant to the annular bin (201) and the flame retardant to drive the annular bin (201) to move.

2. A secure dummy load according to claim 1, wherein: the piston assembly comprises a piston (203), a connecting rod (204) and a connecting block (205), wherein the piston (203) is slidably connected in a mounting cylinder (202), the connecting rod (204) is fixedly connected to the top of the piston (203), one end of the connecting block (205) is fixedly connected with the connecting rod (204), the other end of the connecting block passes through a sliding groove (202 b) and is fixedly connected with a shielding cylinder (206), and the piston (203) is located below an air outlet hole (202 a).

3. A secure dummy load according to claim 1, wherein: the distance from the top of the shielding cylinder (206) to the top plate (103) is smaller than the distance from the bottom of the shielding cylinder (206) to the top of the annular bin (201), and the distance from the bottom of the piston (203) to the air outlet hole (202 a) is smaller than the distance from the top of the shielding cylinder (206) to the top plate (103).

4. A secure dummy load according to claim 1, wherein: the annular bin (201), the mounting cylinder (202) and the shielding cylinder (206) are all made of aluminum alloy materials, and the flame retardant is a nitrogen flame retardant.

5. A secure dummy load according to claim 1, wherein: the top plate (103) is made of aluminum alloy, and the edge of the top plate (103) is provided with a chamfer.

6. A secure dummy load according to claim 2, wherein: the connecting rod (204) is arranged in an axis superposition manner with the piston (203), and the connecting block (205) is matched with the chute (202 b) in size.