CN113345763A - Relay protection device - Google Patents

Relay protection device Download PDF

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Publication number
CN113345763A
CN113345763A CN202110893831.6A CN202110893831A CN113345763A CN 113345763 A CN113345763 A CN 113345763A CN 202110893831 A CN202110893831 A CN 202110893831A CN 113345763 A CN113345763 A CN 113345763A
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CN
China
Prior art keywords
wall
buffer
mounting
protection device
relay
Prior art date
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Granted
Application number
CN202110893831.6A
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Chinese (zh)
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CN113345763B (en
Inventor
詹爱霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Senhao Weiye Refrigeration Equipment Co ltd
Original Assignee
Shenzhen Senhao Weiye Refrigeration Equipment Co ltd
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Application filed by Shenzhen Senhao Weiye Refrigeration Equipment Co ltd filed Critical Shenzhen Senhao Weiye Refrigeration Equipment Co ltd
Priority to CN202110893831.6A priority Critical patent/CN113345763B/en
Publication of CN113345763A publication Critical patent/CN113345763A/en
Application granted granted Critical
Publication of CN113345763B publication Critical patent/CN113345763B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/12Ventilating; Cooling; Heating

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the field of relays, and discloses a relay protection device for solving the problem that the existing relay protection device is poor in heat dissipation effect in use. When the relay protection shell is used, the heat dissipation mechanism performs air draft heat dissipation on the inside of the protection shell, when the outside of the protection shell is impacted, the buffer mechanism performs buffer protection on the protection shell and simultaneously pushes the connecting piece, so that the piston piece is pushed to extrude air in the second cavity to be rapidly sprayed out from the air blowing hole, the rapidly sprayed air performs dust blowing treatment on the surface of the relay body, meanwhile, the disorder of the air in the protection shell is promoted, and the heat dissipation effect is improved.

Description

Relay protection device
Technical Field
The invention relates to the technical field of relays, in particular to a relay protection device.
Background
A relay is an electric control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement, and functions as an automatic adjustment, a safety protection, a switching circuit, and the like in the circuit. When the relay is used, in order to protect the relay from being collided and damaged, a shell is usually used as a protection device at present.
The existing relay protection device has poor heat dissipation effect when in use, so that the problem of overhigh temperature exists when the relay is used for a long time, and the service life of the relay is short.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a relay protection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a relay protection device comprises an installation seat and a protection shell fixed on one side of the installation seat, wherein a relay body is installed inside the protection shell, an inner shell is installed on the inner wall of the protection shell, a first cavity is formed between the protection shell and the inner shell, and a blowing mechanism is arranged in the first cavity and used for blowing dust on the surface of the relay body;
the air blowing mechanism comprises a partition plate which is vertically arranged relative to the inner shell and is used for dividing the first cavity into second cavities which are uniformly distributed; the connecting piece vertically penetrates through the partition plate, and a piston piece matched with the interior of the second cavity is arranged on the connecting piece in the circumferential direction in the second cavity; the air outlet hole penetrates through the inner wall and the outer wall of the side face of the inner shell and is used for discharging air in the second cavity;
one end of the connecting piece, which extends to the outer wall of the protective shell, is connected with a buffer mechanism, and the buffer mechanism is used for carrying out buffer protection on the outer wall of the protective shell; still be provided with heat dissipation mechanism on relay protection device's the protection casing, heat dissipation mechanism is used for carrying out convulsions heat dissipation to protection casing inside.
Preferably, an opening at one end of the air outlet is positioned on one side, far away from the buffer mechanism, in the second cavity.
Preferably, the buffer mechanism comprises a buffer component, and one side of the buffer component is connected with the connecting piece through a second buffer piece; and a buffer block is arranged on one side of the buffer component far away from the second buffer piece.
Preferably, the heat dissipation mechanism comprises a heat dissipation fan mounted on one side of the buffer component; and the exhaust pipe is communicated with the air inlet end of the cooling fan and the inside of the protective shell.
Preferably, a hollow mounting piece is mounted on the inner wall of the inner shell through a third buffer piece, a relay body is mounted inside the mounting piece, which is far away from the third buffer piece, a dust suction hole is formed in the outer wall of the mounting piece, and a fourth buffer piece is mounted between the mounting piece and the relay body;
one side of the mounting piece, which is close to the heat dissipation mechanism, is provided with a hollow connecting piece, and one side of the connecting piece, which is close to the heat dissipation mechanism, is connected with the inner wall of the protection shell through a hollow mounting part;
one end of the exhaust tube extends to the interior of the mounting component, and the exhaust tube is communicated with the interior of the mounting component, the joint and the mounting component.
Preferably, one end of the third buffer member is connected to the outer wall of the mounting member, and the other end is connected to the inner wall of the protective casing.
Preferably, a first buffer member is mounted on the side of the mounting seat close to the protective shell for buffering the protective shell.
Preferably, the outer wall of the mounting member is provided with a movable mechanism for agitating the air inside the protective case.
Preferably, the movable mechanism comprises a mounting hole formed in the outer wall of the mounting part, and a movable part is movably mounted on the inner wall of the mounting hole;
one side of the movable piece is connected with the outer wall of the mounting part through an elastic piece.
A relay comprises the relay protection device, and further comprises a coil soldering lug and a contact soldering lug.
The invention has the beneficial effects that:
the heat dissipation mechanism carries out convulsions heat dissipation to protection casing inside during the use, when protection casing outside receives the striking, buffer gear still promotes the connecting piece when carrying out buffer protection to protection casing, thereby promote the air in the piston spare extrusion second cavity and spout from the hole of blowing fast, quick spun air blows grey processing to the surface of relay body, still promotes the disorder of the internal air of protective housing simultaneously, and the radiating effect is improved, can protect the relay body can not reduce life because of the use temperature is too high.
Drawings
Fig. 1 is a schematic structural diagram of a relay protection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a relay protection device according to an embodiment of the present invention at a position a;
fig. 3 is a structural sectional view of a mounting member and a relay body of a relay protection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mounting member and a relay body of a relay protection device according to an embodiment of the present invention.
In the figure: 1-mounting seat, 2-first buffer piece, 3-protective shell, 4-blowing mechanism, 41-piston piece, 42-connecting piece, 43-separating plate, 44-blowing hole, 14-inner shell, 5-buffer mechanism, 51-second buffer piece, 52-buffer component, 53-buffer block, 6-heat-dissipating mechanism, 61-heat-dissipating fan, 62-air-pumping tube, 7-mounting component, 8-moving mechanism, 81-moving piece, 82-mounting hole, 9-relay body, 10-third buffer piece, 11-fourth buffer piece, 12-linking piece, 131-dust-absorbing hole and 132-mounting piece.
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.
Referring to fig. 1-4, a relay protection device includes an installation base 1 and a protection shell 3 fixed on one side of the installation base 1, and a relay body 9 is installed inside the protection shell 3, and is characterized in that an inner shell 14 is installed on the inner wall of the protection shell 3, a first cavity is arranged between the protection shell 3 and the inner shell 14, and a blowing mechanism 4 is arranged in the first cavity and used for performing soot blowing processing on the surface of the relay body 9;
the blowing mechanism 4 comprises a partition plate 43 vertically arranged relative to the inner shell 14 and used for dividing the first cavity into second cavities which are uniformly distributed; the connecting piece 42 vertically penetrates through the partition plate 43, and the piston piece 41 matched with the interior of the second cavity is arranged on the connecting piece 42 in the circumferential direction in the second cavity; the air outlet hole penetrates through the inner wall and the outer wall of the side face of the inner shell 14 and is used for discharging air in the second cavity;
one end of the connecting piece 42 extending to the outer wall of the protective shell 3 is connected with a buffer mechanism 5, and the buffer mechanism 5 is used for buffering and protecting the outer wall of the protective shell 3; still be provided with heat dissipation mechanism 6 on relay protection device's the protective housing 3, heat dissipation mechanism 6 is used for carrying out convulsions heat dissipation to protective housing 3 inside.
When the heat dissipation mechanism 6 is used for conducting air draft heat dissipation inside the protection shell 3, when the outside of the protection shell 3 is impacted, the buffer mechanism 5 conducts buffer protection on the protection shell 3 and also pushes the connecting piece 42, so that the piston piece 41 is pushed to extrude air in the second cavity to be rapidly sprayed out from the air blowing hole 44, the rapidly sprayed air conducts ash blowing treatment on the surface of the relay body 9, meanwhile, the disorder of the air in the protection shell 3 is promoted, and the heat dissipation effect is improved.
In a preferred embodiment of the present invention, the piston member 41 is made of rubber, silicone, or the like, and in this embodiment, the piston member 41 is preferably made of rubber.
As a preferred embodiment of the present invention, one end of the air outlet is open at a side of the second cavity far from the buffer mechanism 5.
As a preferred embodiment of the present invention, the buffer mechanism 5 includes a buffer member 52, and one side of the buffer member 52 is connected to the connection member 42 through a second buffer member 51; a cushion block 53 is attached to the side of the cushion member 52 remote from the second cushion member 51.
As a preferred embodiment of the present invention, the buffer member 52 includes a fixing sleeve installed at one side of the buffer member 52 and a spring connecting the buffer member 52 and the outer wall of the protective case 3, and one end of the connection member 42 extends to the inside of the fixing sleeve.
In a preferred embodiment of the present invention, the buffer block 53 is made of a flexible material such as rubber or silicone, and in this embodiment, the buffer block 53 is preferably made of rubber.
As a preferred embodiment of the present invention, the heat radiation mechanism 6 includes a heat radiation fan 61 installed at one side of the buffer member 52; and an air exhaust pipe 62 communicating the air intake end of the heat dissipation fan 61 with the inside of the protective case 3.
Referring to fig. 3 to 4, as a preferred embodiment of the present invention, a hollow mounting member 132 is mounted on an inner wall of the inner housing 14 through the third buffer 10, the relay body 9 is mounted inside the mounting member 132 away from the third buffer 10, a dust suction hole 131 is formed in an outer wall of the mounting member 132, and a fourth buffer 11 is mounted between the mounting member 132 and the relay body 9;
a hollow joint piece 12 is arranged at one side of the mounting piece 132 close to the heat dissipation mechanism 6, and one side of the joint piece 12 close to the heat dissipation mechanism 6 is connected with the inner wall of the protective shell 3 through a hollow mounting part 7;
one end of the air exhaust pipe 62 extends to the inside of the mounting part 7, the air exhaust pipe 62 is communicated with the inside of the mounting part 7, the connecting piece 12 and the mounting piece 132, the inside of the protective shell 3 can be exhausted through the heat radiation fan 61, the air exhaust pipe 62, the mounting part 7, the connecting piece 12 and the mounting piece 132, and the effects of dust absorption and heat radiation are achieved.
As a preferred embodiment of the present invention, the third cushion member 10 is a spring, a rubber column, or the like, and in this embodiment, the third cushion member 10 is preferably a spring.
As a preferred embodiment of the present invention, one end of the third cushion 10 is connected to the outer wall of the mounting member 132, and the other end is connected to the inner wall of the protective casing 3.
As a preferred embodiment of the present invention, a first buffer member 2 is mounted on a side of the mounting base 1 close to the protective housing 3 for buffering the protective housing 3.
As a preferred embodiment of the present invention, the first buffer member 2 is made of a flexible material such as rubber or silicone, and in this embodiment, the first buffer member 2 is preferably made of rubber.
Referring to fig. 2, as a preferred embodiment of the present invention, the outer wall of the mounting part 7 is provided with a movable mechanism 8 for agitating the air inside the protective case 3.
Referring to fig. 2, as a preferred embodiment of the present invention, the movable mechanism 8 includes a mounting hole 82 formed in an outer wall of the mounting part 7, and a movable member 81 is movably mounted on an inner wall of the mounting hole 82;
one side of the moving part 81 is connected with the outer wall of the mounting part 7 through an elastic part, the air suction pipe 62 moves relative to the mounting part 7 when the buffering part 52 is impacted, and pushes the moving part 81 to be located at one end inside the mounting part 7, so that the moving part 81 is lifted, and the elastic part pushes the moving part 81 to reset, so that the moving part 81 swings, and the air in the protection shell 3 is stirred.
As a preferred embodiment of the present invention, the movable element 81 has a sheet-like structure, a column-like structure, and the like, and in this embodiment, the movable element 81 preferably has a sheet-like structure.
As a preferred embodiment of the present invention, a relay includes the above relay protection device, and further includes a coil pad and a contact pad.
When the relay is used, the heat dissipation mechanism 6 performs air draft heat dissipation on the inside of the protection shell 3, when the outside of the protection shell 3 is impacted, the buffer mechanism 5 performs buffer protection on the protection shell 3 and simultaneously pushes the connecting piece 42, so that the piston piece 41 is pushed to extrude air in the second cavity to be quickly sprayed out from the air blowing hole 44, the quickly sprayed air performs dust blowing treatment on the surface of the relay body 9, meanwhile, the disorder of the air in the protection shell 3 is promoted, and the heat dissipation effect is improved; the inside of the protective shell 3 can be extracted through the heat radiation fan 61, the air exhaust pipe 62, the mounting part 7, the connecting piece 12 and the mounting piece 132, so that the effects of dust absorption and heat radiation are realized; the air suction pipe 62 moves relative to the mounting member 7 when the buffer member 52 is impacted, and pushes one end of the moving member 81 inside the mounting member 7, so as to tilt the moving member 81, and the elastic member pushes the moving member 81 to reset, so that the moving member 81 swings, and thus the air in the protection housing 3 is agitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A relay protection device comprises a mounting seat (1) and a protection shell (3) fixed on one side of the mounting seat (1), wherein a relay body (9) is installed inside the protection shell (3), and the relay protection device is characterized in that an inner shell (14) is installed on the inner wall of the protection shell (3), a first cavity is arranged between the protection shell (3) and the inner shell (14), and a blowing mechanism (4) is arranged in the first cavity and used for blowing soot on the surface of the relay body (9);
the blowing mechanism (4) comprises a partition plate (43) which is vertically arranged relative to the inner shell (14) and is used for dividing the first cavity into second cavities which are uniformly distributed; the connecting piece (42) vertically penetrates through the partition plate (43), and a piston piece (41) matched with the interior of the second cavity is arranged on the connecting piece (42) in the circumferential direction in the second cavity; the air outlet hole penetrates through the inner wall and the outer wall of the side face of the inner shell (14) and is used for discharging air in the second cavity;
one end of the connecting piece (42) extending to the outer wall of the protective shell (3) is connected with a buffer mechanism (5), and the buffer mechanism (5) is used for buffering and protecting the outer wall of the protective shell (3); still be provided with heat dissipation mechanism (6) on relay protection device's protective housing (3), heat dissipation mechanism (6) are used for carrying out convulsions heat dissipation to protective housing (3) inside.
2. The relay protection device according to claim 1, wherein an end opening of the air outlet hole is located on a side of the second cavity far away from the buffer mechanism (5).
3. A relay protection device according to claim 1, wherein the buffer mechanism (5) comprises a buffer member (52), and one side of the buffer member (52) is connected to the connecting member (42) via a second buffer member (51); a buffer block (53) is mounted on the side of the buffer member (52) away from the second buffer (51).
4. A relay protection device according to claim 3, wherein said heat radiation mechanism (6) comprises a heat radiation fan (61) installed at one side of said buffer member (52); and an air suction pipe (62) for communicating the air inlet end of the heat radiation fan (61) with the interior of the protective shell (3).
5. The relay protection device according to claim 4, wherein a hollow mounting member (132) is mounted on the inner wall of the inner housing (14) through a third buffer member (10), a relay body (9) is mounted inside the mounting member (132) far away from the third buffer member (10), a dust suction hole (131) is formed in the outer wall of the mounting member (132), and a fourth buffer member (11) is mounted between the mounting member (132) and the relay body (9);
one side of the mounting piece (132) close to the heat dissipation mechanism (6) is provided with a hollow connecting piece (12), and one side of the connecting piece (12) close to the heat dissipation mechanism (6) is connected with the inner wall of the protective shell (3) through a hollow mounting part (7);
one end of the air suction pipe (62) extends to the inside of the mounting part (7), and the air suction pipe (62) is communicated with the insides of the mounting part (7), the joint piece (12) and the mounting piece (132).
6. The relay protection device according to claim 5, wherein one end of the third buffer member (10) is connected to the outer wall of the mounting member (132) and the other end is connected to the inner wall of the protection housing (3).
7. A relay protection device according to claim 1, characterized in that a first buffer member (2) is mounted on the side of the mounting seat (1) adjacent to the protective housing (3) for buffering the protective housing (3).
8. Relay protection device according to claim 5, characterized in that the outer wall of the mounting part (7) is provided with a moving mechanism (8) for agitating the air inside the protective housing (3).
9. The relay protection device according to claim 8, wherein the movable mechanism (8) comprises a mounting hole (82) formed in an outer wall of the mounting part (7), and a movable member (81) is movably mounted on an inner wall of the mounting hole (82);
one side of the movable piece (81) is connected with the outer wall of the mounting part (7) through an elastic piece.
10. A relay comprising the relay protection device of any of claims 1-9, and further comprising coil and contact pads.
CN202110893831.6A 2021-08-05 2021-08-05 Relay protection device Active CN113345763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110893831.6A CN113345763B (en) 2021-08-05 2021-08-05 Relay protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110893831.6A CN113345763B (en) 2021-08-05 2021-08-05 Relay protection device

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CN113345763A true CN113345763A (en) 2021-09-03
CN113345763B CN113345763B (en) 2021-11-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114038710A (en) * 2021-11-11 2022-02-11 吉林化工学院 Automatic relay protection device for electric appliance
CN114115485A (en) * 2021-12-14 2022-03-01 江苏吉祥星智能科技有限公司 Portable artificial intelligence computer with buffer stop

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002043002A (en) * 2000-07-26 2002-02-08 Matsushita Electric Works Ltd Terminal-type conversion connector and terminal type conversion structure having the same
JP2007073470A (en) * 2005-09-09 2007-03-22 Nec Tokin Corp Electromagnetic relay
CN107275154A (en) * 2017-07-28 2017-10-20 贵州鑫阳科技股份有限公司 A kind of relay
CN208093463U (en) * 2018-05-02 2018-11-13 湖北安达业智能科技股份有限公司 intelligent relay
CN211016923U (en) * 2019-11-10 2020-07-14 景德镇景光金桂真空电器有限公司 Safety relay convenient to install
CN111863535A (en) * 2020-08-03 2020-10-30 中汇瑞德电子(芜湖)有限公司 Heat dissipation type relay with breathing function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002043002A (en) * 2000-07-26 2002-02-08 Matsushita Electric Works Ltd Terminal-type conversion connector and terminal type conversion structure having the same
JP2007073470A (en) * 2005-09-09 2007-03-22 Nec Tokin Corp Electromagnetic relay
CN107275154A (en) * 2017-07-28 2017-10-20 贵州鑫阳科技股份有限公司 A kind of relay
CN208093463U (en) * 2018-05-02 2018-11-13 湖北安达业智能科技股份有限公司 intelligent relay
CN211016923U (en) * 2019-11-10 2020-07-14 景德镇景光金桂真空电器有限公司 Safety relay convenient to install
CN111863535A (en) * 2020-08-03 2020-10-30 中汇瑞德电子(芜湖)有限公司 Heat dissipation type relay with breathing function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114038710A (en) * 2021-11-11 2022-02-11 吉林化工学院 Automatic relay protection device for electric appliance
CN114115485A (en) * 2021-12-14 2022-03-01 江苏吉祥星智能科技有限公司 Portable artificial intelligence computer with buffer stop

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