CN208819806U - A kind of power relay protection device - Google Patents
A kind of power relay protection device Download PDFInfo
- Publication number
- CN208819806U CN208819806U CN201821663545.0U CN201821663545U CN208819806U CN 208819806 U CN208819806 U CN 208819806U CN 201821663545 U CN201821663545 U CN 201821663545U CN 208819806 U CN208819806 U CN 208819806U
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- CN
- China
- Prior art keywords
- box
- box body
- fixedly connected
- power relay
- box cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of power relay protection devices, it is related to electric prospection technical field, specially a kind of power relay protection device, including protection box, the protection box is made of box cover and box body, the two sides of protection box are fixedly connected to fixed plate, box body and box cover offer threaded hole, box cover is fixedly connected with box body by screw, dust excluding plate is fixedly connected with below box cover, the inside of dust excluding plate offers thermal hole, ventilation hole is offered at the two sides center of box body, box body is internally provided with support plate, shock bracket is fixedly connected with above support plate.The power relay protection device; by the way that dust excluding plate is arranged in the lower section of box cover; in the two sides of box body, ventilation hole is set; when box cover and box body are closed completely; the heat in protection box can be taken away by the convection current of air; dust excluding plate can stop dust and other impurity in air when carrying out gas exchanges, power relay be protected, to extend the service life of relay.
Description
Technical field
The utility model relates to electric prospection technical field, specially a kind of power relay protection device.
Background technique
Relay is a kind of electric control device, is when the variation of input quantity (energizing quantity) reaches prescribed requirement, electrical
Make controlled volume that a kind of electric appliance of scheduled Spline smoothing occur in output circuit, it have control system (also known as input circuit) and
It by the interactive relationship between control system (also known as output loop), is usually applied in automation control circuit, it is actually
It is one kind " automatic switch " of control high current running to be gone with low current, therefore play automatic adjustment in circuit, safeguard protection, turn
The effects of changing circuit, relay are mostly control unit and circuit element, and mostly in air, the overwhelming majority does not protect for exposure
Protection unit is easy dampness, causes circuit to damage, do not work so as to cause relay, lead to safety problem in using engineering.
A kind of automation relay disclosed in Chinese utility model patent ublic specification of application CN207558705U
Protective device, the automation relay protection, by the cooperation for being provided with pressing plate, preventing rubber layer, mounting hole and roller
So that relay is used under rugged environment, long service life can reach dust-proof purpose, effectively avoid dust to after
The adverse effect of electric appliance, it is therefore prevented that the case where being loosened for a long time using relay has ensured the stable operation of automatic production line.
However relay is to play control action to circuit, in operational process, instantaneity electric current is larger, and fever may go out than more serious
Existing security risk, it is therefore desirable to improve.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of power relay protection device, solves above-mentioned back
The problem of being proposed in scape technology.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of electric relay protection dress
It sets, including protection box, the protection box is made of box cover and box body, and the two sides of protection box are fixedly connected to fixed plate, box body
Threaded hole, box cover and box body are offered with the inside of box cover to be flexibly connected by screw, are fixedly connected with below box cover
Dust excluding plate, the inside of dust excluding plate offer thermal hole, and ventilation hole, the inside setting of box body are offered at the center of box body two sides
There is support plate, shock bracket is fixedly connected with above support plate, shock bracket is fixedly connected with far from the side of support plate and puts
Slot is set, places and offers through-hole at the center of trench bottom, the two sides of placing groove are provided with baffle, and baffle is located remote from the one of slot
Side is provided with moistureproof cushion, and box body front offers jack.
Optionally, the box body and box cover are isolation material, are provided with watch window on box cover.
Optionally, the baffle is rubber material, is fixedly connected at the top of the bottom of baffle and support plate.
Optionally, the bottom of the box body is provided with several damping springs, the one end of several damping springs far from support plate
It is fixedly connected with box body.
Optionally, the inside of the support plate opens up fluted, and motor is arranged in inside grooves, and the output end of motor is fixed to be connected
Radiator fan is connect, the lower section of through-hole is arranged in radiator fan.
Optionally, the placing groove is Copper alloy material, and the two sides of placing groove offer heat release hole, and heat release hole is uniformly distributed
In placing groove two sides.
(3) beneficial effect
The utility model provides a kind of power relay protection device, have it is following the utility model has the advantages that
1, the power relay protection device opens up threaded hole compatible with box cover by the inside in box body, uses screw
Nail is fixedly connected, while watch window being arranged on box cover, can facilitate power worker to relay into detection, observation after
Electric appliance whether asked using isolation material guarantee relay by normal operation, easy to disassemble and daily maintenance, box cover and box body
It is not will cause when topic to security risk, design rationally, realizes the purpose of easy access and maintenance, security performance is higher.
2, ventilation is arranged in the two sides of box body by the way that dust excluding plate is arranged in the lower section of box cover in the power relay protection device
Hole can take away the heat in protection box when box cover and box body are closed completely by the convection current of air, dust excluding plate can into
Stop the dust and other impurity in air when row gas exchanges, power relay is protected, to extend the service life of relay, together
When be provided on protective plate heat that thermal hole can guarantee that relay generates can timely protection box, avoid relay overheat from making
At safety accident.
3, the power relay protection device can effectively be kept away by being fixedly connected with moistureproof cushion and baffle on the supporting plate
A part of moisture can be absorbed by exempting from moistureproof cushion when steam in a humid environment enters protection box, and baffle can exist moisture barrier
Outside placing groove, the water in air liquefies on baffle to be flowed on moistureproof cushion, is kept the drying in placing groove, is not influenced relay
It works normally, while baffle uses rubber material, can be avoided relay when there is safety failure, isolation relay prevents from touching
Electricity improves the safety of use energy.
4, power relay protection device, by the way that damping spring and shock bracket, damping spring is arranged in the bottom of box body
The strenuous vibration that relay and protection box generate during installation can be effectively absorbed with shock bracket, avoids installing
Process and disassembly in strenuous vibration lead to the damage of relay, while also avoiding protection box under mal-condition and loosen back and forth to shake
It shakes, causes the relay in placing groove to generate collision, cause relay damaged, cause safety accident, it is more reasonable to design, and considers
It is the occurrence of a variety of, safer, be conducive to the extension of relay service life.
Detailed description of the invention
Fig. 1 is the utility model section structural schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model.
In figure: 1- protection box, 2- box cover, 3- box body, 4- fixed plate, 5- screw, 6- dust excluding plate, 7- thermal hole, 8- are logical
Air holes, 9- support plate, 10- shock bracket, 11- placing groove, 12- through-hole, 13- baffle, 14- moistureproof cushion, 15- jack, 16- subtract
Shake spring, 17- groove, 18- radiator fan, 19- heat release hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of power relay protection device, including it is anti-
Box 1 is protected, protection box 1 is made of box cover 2 and box body 3, and the two sides of protection box 1 are fixedly connected to fixed plate 4, box cover 2 and box body 3
Inside be provided with threaded hole, box cover 2 and box body 3 and be flexibly connected by screw, unscrew screw with screwdriver when use
5, it is put into relay, the lower section of box cover 2 is fixedly connected with dust excluding plate 6, and the inside of dust excluding plate 6 offers the production of 7 relay of thermal hole
Raw heat can flow out to outside protection box 1 under the action of thermal hole 7, offer ventilation hole at the two sides center of box body 3
8, the heat in protection box 1 is taken away convenient for generating convection current, box body 3 is internally provided with support plate 9, and the top of support plate 9 is fixed
It is connected with shock bracket 10, shock bracket 10 can be avoided relay and swing back and forth under severe conditions, absorb vibration to protect
Relay is protected, shock bracket 10 is fixedly connected with placing groove 11 far from the side of support plate 9, and the bottom center of placing groove 11 is opened
Equipped with through-hole 12, the two sides of placing groove 11 are provided with baffle 13, and the side that baffle 13 is located remote from slot 11 is provided with moistureproof cushion
14, box body front offers jack 15, and box body 3 and box cover 2 are isolation material, and watch window, baffle 13 are provided on box cover 2
Bottom for rubber material, baffle 13 is fixedly connected with the top of support plate 9, and the bottom of box body 3 is provided with several damping springs
16, several one end of damping spring 16 far from support plate 9 are fixedly connected with box body 3, and the inside of support plate 9 opens up fluted
17, motor is set inside groove 17, the output end of motor is fixedly connected with radiator fan 18, and through-hole 12 is arranged in radiator fan 18
Lower section, radiator fan 18 can pass through the heat of generation the heat release hole 19 of placing groove two sides, pass through dust-proof guard 6 on box cover 2
Thermal hole 7 flow to the external world, placing groove 11 is Copper alloy material, and the two sides of placing groove 11 offer heat release hole 19, is radiated
Hole 19 is evenly distributed on 11 two sides of placing groove.
In conclusion the power relay protection device, in use, being adapted by being opened up at the top of box body 3 with box cover 2
Threaded hole, box body 3 and box cover 2 are fixedly connected by screw 5, while watch window is arranged on box cover 2, can facilitate electricity
Power worker to relay into detection, observation relay whether normal operation, easy to disassemble and daily maintenance, box cover 2 and box
Body 3 guarantees that relay is not being will cause when something goes wrong to security risk using isolation material, and design rationally, realizes convenient for inspection
The purpose repaired and safeguarded, security performance is higher, by the way that dust excluding plate 6 is arranged in the lower section of box cover 2, is respectively provided in the two sides of box body 3
There is ventilation hole 8, when box cover 2 and box body 3 are closed completely, the heat in protection box 7 can be taken away by the convection current of air, it is dust-proof
Plate 6 can stop dust and other impurity in air when carrying out gas exchanges, power relay be protected, to extend relay
The service life of device, while the heat that can guarantee that relay generates provided with thermal hole 7 on dust excluding plate 6 can flow out protection box in time
1, avoid relay overheat from causing safety accident, it, can be effective by being fixedly connected with moistureproof cushion 14 and baffle 13 in support plate 9
Avoid in a humid environment steam enter protection box 1 moistureproof cushion 14 can absorb a part of moisture simultaneously, baffle can will
Outside placing groove 11, the water in air liquefies on baffle to be flowed on moistureproof cushion 14 moisture barrier, keeps dry in placing groove
It is dry, the normal work of relay is not influenced, while baffle 13 uses rubber material, can be avoided relay and safety failure is occurring
When, isolation relay prevents from getting an electric shock, and energy is improved the safety of use, by the way that 16 He of damping spring is arranged in the bottom of box body 3
Shock bracket 10, damping spring 16 and shock bracket 10 can effectively absorb the play that protection box 1 generates during installation
Violent shock is dynamic, avoids strenuous vibration during installation and removal from leading to the damage of relay, while also avoiding mal-condition
Lower protection box 1 loosens rock back and forth, causes relay and protection box 1 in placing groove 11 to generate collision, causes relay damaged,
Cause safety accident, cause safety accident, design it is more reasonable, it is contemplated that it is a variety of the occurrence of, it is safer, be conducive to after
The extension of electric appliance service life.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can be directly connected, can also can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of power relay protection device, including protection box (1), it is characterised in that: the protection box (1) by box cover (2) and
Box body (3) composition, the two sides of protection box (1) are fixedly connected to fixed plate (4), and the inside of box cover (2) and box body (3) opens up
There are threaded hole, box cover (2) and box body (3) to be flexibly connected by screw (5), box cover is fixedly connected with dust excluding plate below (2)
(6), the inside of dust excluding plate (6) offers thermal hole (7), offers ventilation hole (8), box body at the center of box body (3) two sides
(3) be internally provided with support plate (9), is fixedly connected with shock bracket (10) above support plate (9), and shock bracket (10) is remote
Side from support plate (9) is fixedly connected with placing groove (11), is offered through-hole (12) at the center of placing groove (11) bottom, is put
The two sides for setting slot (11) are provided with baffle (13), and the side that baffle (13) is located remote from slot (11) is provided with moistureproof cushion
(14), the front of box body offers jack (15).
2. a kind of power relay protection device according to claim 1, it is characterised in that: the box body (3) and box cover (2)
It is isolation material, box cover is provided with watch window on (2).
3. a kind of power relay protection device according to claim 1, it is characterised in that: the baffle (13) is rubber material
Matter is fixedly connected at the top of the bottom and support plate (9) of baffle (13).
4. a kind of power relay protection device according to claim 1, it is characterised in that: the bottom of the box body (3) is set
It is equipped with several damping springs (16), several damping springs (16) are fixedly connected with box body (3) far from the one end of support plate (9).
5. a kind of power relay protection device according to claim 1, it is characterised in that: the inside of the support plate (9)
It opens up fluted (17), motor is set inside groove (17), the output end of motor is fixedly connected with radiator fan (18), radiator fan
(18) it is arranged in the lower section of through-hole (12).
6. a kind of power relay protection device according to claim 1, it is characterised in that: the placing groove (11) is copper conjunction
Golden material, the two sides of placing groove (11) offer heat release hole (19), and heat release hole (19) is evenly distributed on placing groove (11) two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663545.0U CN208819806U (en) | 2018-10-15 | 2018-10-15 | A kind of power relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663545.0U CN208819806U (en) | 2018-10-15 | 2018-10-15 | A kind of power relay protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819806U true CN208819806U (en) | 2019-05-03 |
Family
ID=66279689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821663545.0U Expired - Fee Related CN208819806U (en) | 2018-10-15 | 2018-10-15 | A kind of power relay protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208819806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508776A (en) * | 2020-03-13 | 2020-08-07 | 浙江城电电气有限公司 | AC contactor |
| WO2024055365A1 (en) * | 2022-09-13 | 2024-03-21 | 云南电网有限责任公司楚雄供电局 | Three-phase inconsistent protector with extremely high reliability |
-
2018
- 2018-10-15 CN CN201821663545.0U patent/CN208819806U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508776A (en) * | 2020-03-13 | 2020-08-07 | 浙江城电电气有限公司 | AC contactor |
| CN111508776B (en) * | 2020-03-13 | 2022-06-24 | 安德利集团有限公司 | AC contactor |
| WO2024055365A1 (en) * | 2022-09-13 | 2024-03-21 | 云南电网有限责任公司楚雄供电局 | Three-phase inconsistent protector with extremely high reliability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20191015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |