CN215869146U - Relay that security performance is high - Google Patents

Abstract

The utility model discloses a relay with high safety performance, which belongs to the technical field of relays and comprises a safety relay main body, wherein filter screens are arranged at positions close to two sides of the safety relay main body, and two drying devices are arranged at positions corresponding to the two filter screens on the safety relay main body; the drying device comprises a knob, a silica gel drying agent, a sealing box, a connecting plate, fixing frames, a net barrel and a screw rod, wherein the two fixing frames are installed at positions corresponding to two filter screens on the safety relay main body; according to the utility model, the drying device is arranged, so that the relay can dry the air penetrating through the filter screen to a certain extent when needed, the possibility of damage of the safety relay main body due to moisture is reduced, and the moisture-proof capability of the relay is further improved.

Description

Relay that security performance is high

Technical Field

The utility model belongs to the technical field of relays, and particularly relates to a relay with high safety performance.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop).

Chinese patent application No. CN201922366094.5 discloses a safety relay easy to assemble, which solves the problem that the housing is easily damaged after being deformed by a supporting mechanism, reduces the maintenance cost, and prolongs the service life. The control mechanism and the clamping mechanism are matched to facilitate installation, the problem of screwing the bolt is solved, disassembly is convenient, and the working difficulty is reduced. Meanwhile, the rust phenomenon is prevented from occurring through the matching of the control mechanism and the clamping mechanism, the disassembly and maintenance are facilitated, the use is ensured, the waste is prevented, the practicability is improved, and the popularization is facilitated.

The prior art has the following problems: 1. the above patent has the problem that when the surroundings are too humid, excessive moisture is easy to pass through the filter screen, so that the relay is easy to damage due to dampness, and the moisture-proof capability of the relay is reduced; 2. above-mentioned patent exists when the overheated condition appears in the relay and is difficult to carry out the problem of quick effectual cooling to it has reduced the practicality of relay.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The relay with high safety performance provided by the utility model has the characteristics of good moisture resistance and high practicability.

In order to achieve the purpose, the utility model provides the following technical scheme: a relay with high safety performance comprises a safety relay main body, wherein filter screens are mounted at positions, close to two sides, of the safety relay main body, and two drying devices are mounted at positions, corresponding to the two filter screens, on the safety relay main body;

drying device includes knob, silica gel drier, closure box, connecting plate, fixed frame, a net section of thick bamboo and screw rod, install two fixed frames with the corresponding position of two filter screens in the safety relay main part, the closure box is installed to the top of fixed frame, the top of closure box is provided with the knob, the screw rod is installed to the below of knob, the below of screw rod and the position that is located the closure box inboard install a net section of thick bamboo through the bearing, the inboard packing of a net section of thick bamboo has the silica gel drier, the connecting plate is installed to the below of a net section of thick bamboo and the position that is located fixed frame inboard.

Preferably, the cross section of the inner side of the closed box is the same as the shape and the size of the cross section of the outer side of the net drum.

Preferably, a sealing block is installed on the connecting plate at a position corresponding to the net barrel through threads.

Preferably, an observation window is installed on the inner side of the closing block.

Preferably, the top of leaning on of safe formula relay main part installs the heat sink, the heat sink includes coolant liquid, cooling aluminium pole, cooler bin and refrigeration piece, the cooler bin is installed to the top of safe formula relay main part, the inboard packing of cooler bin has the coolant liquid, the refrigeration piece is installed at the top of cooler bin, two cooling aluminium poles are installed with the position that the coolant liquid phase corresponds in the safe formula relay main part.

Preferably, the side wall of the cooling box is filled with heat preservation cotton.

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

1. according to the utility model, the drying device is arranged, so that the relay can dry the air penetrating through the filter screen to a certain extent when needed, the possibility of damage of the safety relay main body due to moisture is reduced, and the moisture-proof capability of the relay is further improved.

2. According to the utility model, the relay can rapidly and effectively cool the safety relay main body when needed by arranging the cooling device, so that the possibility of damage of the safety relay main body due to overheating is reduced, and the practicability of the relay is further improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the drying apparatus according to the present invention;

fig. 4 is a schematic structural diagram of the cooling device of the present invention.

In the figure: 1. a safety relay body; 2. a drying device; 21. a knob; 22. a silica gel desiccant; 23. a closure box; 24. a connecting plate; 25. a fixing frame; 26. a sealing block; 27. a net drum; 28. a screw; 3. a cooling device; 31. cooling liquid; 32. heat preservation cotton; 33. cooling the aluminum rod; 34. a cooling tank; 35. a refrigeration plate; 4. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a relay with high safety performance comprises a safety relay main body 1, wherein filter screens 4 are respectively arranged at positions, close to two sides, of the safety relay main body 1, and two drying devices 2 are arranged at positions, corresponding to the two filter screens 4, on the safety relay main body 1;

drying device 2 includes knob 21, silica gel drier 22, the closure box 23, connecting plate 24, fixed frame 25, net section of thick bamboo 27 and screw rod 28, two fixed frames 25 are installed with two positions that correspond to two filter screens 4 on the safety relay main part 1, closure box 23 is installed to the top of fixed frame 25, the top of closure box 23 is provided with knob 21, screw rod 28 is installed to the below of knob 21, net section of thick bamboo 27 is installed through the bearing in the below of screw rod 28 and the position that is located the closure box 23 inboard, the inboard packing of net section of thick bamboo 27 has silica gel drier 22, connecting plate 24 is installed in the below of net section of thick bamboo 27 and the position that is located the fixed frame 25 inboard.

Specifically, the cross section of the inner side of the closing box 23 is the same as the cross section of the outer side of the net cylinder 27,

by adopting the technical scheme, the phenomenon that the net drum 27 rotates when moving is prevented.

In particular, a sealing block 26 is arranged on the connecting plate 24 corresponding to the net cylinder 27 through threads,

by adopting the technical scheme, the silica gel drying agent 22 is convenient for a user to replace.

In particular, the inner side of the closing block 26 is provided with an observation window,

by adopting the technical scheme, the worker can conveniently observe the state of the silica gel desiccant 22.

When the safety relay is used in the embodiment, when the safety relay needs to work, the safety relay main body 1 is installed at a proper position and is connected with a corresponding circuit, and then the safety relay main body 1 is operated to work; when the air passing through the filter screen 4 needs to be treated, the sealing blocks 26 in the two drying devices 2 are unscrewed, then enough silica gel drying agents 22 are put into the two screen cylinders 27, the two sealing blocks 26 are respectively reconnected with the corresponding connecting plates 24 through threads, the two knobs 21 are rotated, the knobs 21 drive the screw rods 28 to rotate, the screen cylinders 27 are further driven to be gradually separated from the sealing boxes 23 and enter the fixing frame 25, moisture in the fixing frame 25 is absorbed by the silica gel drying agents 22 in the screen cylinders 27, and therefore the air passing through the filter screen 4 is treated;

example 2

The present embodiment is different from embodiment 1 in that: the top of the safety relay main body 1 is provided with a cooling device 3, the cooling device 3 comprises a cooling liquid 31, a cooling aluminum rod 33, a cooling box 34 and a refrigerating sheet 35, the cooling box 34 is arranged above the safety relay main body 1, the cooling liquid 31 is filled in the inner side of the cooling box 34, the top of the cooling box 34 is provided with the refrigerating sheet 35, the position of the safety relay main body 1 corresponding to the cooling liquid 31 is provided with two cooling aluminum rods 33,

through adopting above-mentioned technical scheme for the relay can carry out quick effectual cooling to safety relay main part 1 when needs, thereby has reduced safety relay main part 1 and has produced the possibility of damaging because of overheated.

Specifically, the side wall of the cooling box 34 is filled with heat preservation cotton 32,

through adopting above-mentioned technical scheme, reduced the influence of ambient temperature to temperature in the cooler bin 34.

During the use of this embodiment, when needs carry out quick effectual cooling to the inside of safe relay main part 1, start refrigeration piece 35 among the heat sink 3, thereby reduce the temperature of cooling liquid 31 in the cooling box 34, carry out heat exchange through two cooling aluminium poles 33 between the inside of safe relay main part 1 and the cooling liquid 31, thereby carry out quick effectual cooling to the inside of safe relay main part 1, the cotton 32 that keeps warm has played the effect that reduces the influence of ambient temperature to the temperature in the cooling box 34.

The structure and principle of the safety relay main body 1 and the filter screen 4 of the utility model are disclosed in a safety relay which is convenient to install and is disclosed in Chinese patent application No. CN 201922366094.5.

The working principle and the using process of the utility model are as follows: when the safety relay needs to work, the safety relay main body 1 is installed at a proper position and is connected with a corresponding circuit, and then the safety relay main body 1 is operated to work; when the air passing through the filter screen 4 needs to be treated, the sealing blocks 26 in the two drying devices 2 are unscrewed, then enough silica gel drying agents 22 are put into the two screen cylinders 27, the two sealing blocks 26 are respectively reconnected with the corresponding connecting plates 24 through threads, the two knobs 21 are rotated, the knobs 21 drive the screw rods 28 to rotate, the screen cylinders 27 are further driven to be gradually separated from the sealing boxes 23 and enter the fixing frame 25, moisture in the fixing frame 25 is absorbed by the silica gel drying agents 22 in the screen cylinders 27, and therefore the air passing through the filter screen 4 is treated; when needs carry out quick effectual cooling to the inside of safe formula relay main part 1, start refrigeration piece 35 in the heat sink 3, thereby reduce the temperature of cooling liquid 31 in the cooling tank 34, carry out heat exchange through two cooling aluminium poles 33 between the inside of safe formula relay main part 1 and the cooling liquid 31, thereby carry out quick effectual cooling to the inside of safe formula relay main part 1, the cotton 32 that keeps warm has played the effect that reduces the influence of external temperature to the temperature in the cooling tank 34.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. A relay that security performance is high, includes safe formula relay main part (1), its characterized in that: the safety relay comprises a safety relay main body (1), wherein filter screens (4) are respectively arranged at positions close to two sides of the safety relay main body (1), and two drying devices (2) are arranged at positions, corresponding to the two filter screens (4), on the safety relay main body (1);

drying device (2) include knob (21), silica gel drier (22), closed box (23), connecting plate (24), fixed frame (25), net section of thick bamboo (27) and screw rod (28), two fixed frames (25) are installed with two corresponding positions of filter screen (4) on safe formula relay main part (1), closed box (23) are installed to the top of fixed frame (25), the top of closed box (23) is provided with knob (21), screw rod (28) are installed to the below of knob (21), net section of thick bamboo (27) are installed through the bearing in the below of screw rod (28) and the position that is located closed box (23) inboard, the inboard packing of net section of thick bamboo (27) has silica gel drier (22), connecting plate (24) are installed to the below of net section of thick bamboo (27) and the position that is located fixed frame (25) inboard.

2. A high safety relay according to claim 1, wherein: the cross section of the inner side of the closing box (23) is the same as the cross section of the outer side of the net cylinder (27).

3. A high safety relay according to claim 1, wherein: and a sealing block (26) is arranged on the connecting plate (24) corresponding to the net barrel (27) through threads.

4. A high safety relay according to claim 3, wherein: an observation window is arranged on the inner side of the sealing block (26).

5. A high safety relay according to claim 1, wherein: safety relay main part (1) lean on the top to install heat sink (3), heat sink (3) include coolant liquid (31), cooling aluminum pole (33), cooler bin (34) and refrigeration piece (35), cooler bin (34) are installed to the top of safety relay main part (1), the inboard packing of cooler bin (34) has coolant liquid (31), refrigeration piece (35) are installed at the top of cooler bin (34), two cooling aluminum poles (33) are installed with the corresponding position of coolant liquid (31) on safety relay main part (1).

6. A high safety relay according to claim 5, wherein: the side wall of the cooling box (34) is filled with heat insulation cotton (32).

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