CN208608113U - A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay - Google Patents
A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay Download PDFInfo
- Publication number
- CN208608113U CN208608113U CN201821411679.3U CN201821411679U CN208608113U CN 208608113 U CN208608113 U CN 208608113U CN 201821411679 U CN201821411679 U CN 201821411679U CN 208608113 U CN208608113 U CN 208608113U
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- voltage
- heat
- heat conduction
- relay
- conduction ring
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Abstract
The utility model discloses the relays that a kind of three-phase voltage is delayed with over-voltage and under-voltage adjustable band, belong to relay field, a kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay, the protective shell of shield is connected with including upper end, shield side, which is dug, connection jaws, ventilation heat-conducting mechanism is connected at connection jaws, heat-conducting mechanism of divulging information includes heat-transfer device and ventilation device, heat-transfer device includes Fixing shrink ring, limit heat conduction ring and the first heat conduction ring, and ventilation device includes the second heat conduction ring and retainer plate, protective net is connected between retainer plate inner wall, the heat inside shield can be effectively dispersed by the ventilation device for heat-conducting mechanism of divulging information, slow down aging due to long-term fever of its internal components, it can effectively be radiated between connection line and the hole wall of connection jaws by heat-conducting mechanism, simultaneously make connection line not with connection jaws Hole wall directly contact, reduce friction, connection is easy to wear with line.
Description
Technical field
The utility model relates to relay field, more specifically to a kind of three-phase voltage band over-voltage with it is under-voltage adjustable
With delay relay.
Background technique
Relay is a kind of electric control device.It has control system and by the interactive relationship between control system.Usually
Applied in automation control circuit, with the development of science and technology, relay is more and more, and three-phase voltage is with over-voltage and owes
The relay of adjustable band delay is pressed to enter into the market, technology is not also in early anticreep and insulation effect for present relay
It is enough, the binding post of present relay be all it is naked be exposed on the external, still without protective device after wiring, the security performance of relay is not
Height, existing in the market for the over-voltage of three-phase electricity, undervoltage protection system is formed with three independent single-phase simple concatenations,
In fact this usage can not achieve synchronization due to the limitation of tectonic sieving itself, so being that cannot rise in real use
Arrive protective effect.
In order to improve the above problem, Chinese utility model Publication No. CN203800561U discloses a kind of based on single-chip microcontroller
Three-phase self-resetting type over voltage protector, its protector controls electricity by power circuit, voltage detecting sample circuit, single-chip microcontroller
Road and drive circuit of magnetic latching relay composition；The input terminal of power circuit is three-phase electricity end of incoming cables, and output end is single-chip microcontroller control
Circuit and drive circuit of magnetic latching relay processed；The input terminal of voltage detecting sample circuit is three-phase electricity end of incoming cables, and output end is
Single chip machine controlling circuit；The output end of single chip machine controlling circuit is drive circuit of magnetic latching relay, and single chip machine controlling circuit connects
Voltage signal conversion judgement is received, then is exported through delays time to control to drive circuit of magnetic latching relay, small in size, long service life,
Consistency is good, it can be achieved that protecting the accurate adjustment of voltage parameter, protection is reliable, in conjunction with Chinese utility model Publication No.
The anticreep relay of one kind disclosed in CN207021214U, including shell, upper surface of outer cover are fixedly installed with earth leakage protective device,
The anticreep relay design reasonable operation is strong, can be effectively prevented the generation of electric leakage accident, protect equipment well
And the safety of personnel.
But the connection jaws on the relay1 case in above scheme include the connection jaws on existing relay1 case
It is a simple hole, does not have heat dissipation effect, be unfavorable for the heat dissipation of connection line, and be prone to wear connection line.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of band over-voltage of three-phase voltage with
The relay of under-voltage adjustable band delay, it can effectively disperse the heat inside shield by the ventilation device of ventilation heat-conducting mechanism
Amount, slows down aging due to long-term fever of its internal components, can have between connection line and the hole wall of connection jaws by heat-conducting mechanism
Effect heat dissipation, while connection is not contacted directly with line with the hole wall of connection jaws, reduce friction, connection is not easy to wear with line.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay, the guarantor of shield is connected with including upper end
Protective case, the shield side, which is dug, connection jaws, and ventilation heat-conducting mechanism, the thermally conductive machine of ventilation are connected at the connection jaws
Structure includes heat-transfer device and ventilation device, and the heat-transfer device includes Fixing shrink ring, limits heat conduction ring and the first heat conduction ring, described
Limit heat conduction ring is socketed on Fixing shrink ring outer end, the inner wall connection of first heat conduction ring and Fixing shrink ring, the Fixing shrink ring
Screw thread is carved in outer surface far from limit heat conduction ring, is equally carved with screw thread on the hole wall of the connection jaws, the Fixing shrink ring with
The hole wall of connection jaws is threadedly coupled, and the ventilation device is located at the inside of Fixing shrink ring, and ventilation device includes the second heat conduction ring
And retainer plate, second heat conduction ring are socketed on retainer plate outer end, are connected with protective net between the retainer plate inner wall, by logical
The ventilation device of wind heat-conducting mechanism can effectively disperse the heat inside shield, and it is old because of long-term fever to slow down its internal components
Change, can effectively be radiated between connection line and the hole wall of connection jaws by heat-conducting mechanism, at the same make connection line not with wiring
The hole wall of mouth directly contacts, and reduces friction, and connection is not easy to wear with line.
Further, taper seta is connected on the mesh point of the protective net, the taper seta is leaned on positioned at protective net
One end inside nearly shield, removes ventilation device, the taper seta of a protective net is aligned to the mesh of another protective net,
The tamper being convenient to clean among mesh.
Further, the connection jaws are equipped with multiple, and multiple connection jaws are arranged in shield side, convenient for according to not
Same wiring position selects optimal connection jaws.
Further, the shield upper end, which is dug, through-hole, and the through hole is hinged with protective cover, the protective cover side
End is connected with seal washer, opens protective cover, can direct wiring, it is more convenient.
Further, the protective cover is transparent material, and cap surface is protected to be coated with transparent anti-scraping coating, transparent material
Protective cover checks that the wiring condition inside shield, transparent anti-scraping coating can protect the protection cap surface of transparent material convenient for user
It is not easy to be scratched, influences to check.
Further, it is carved with anti-skid chequer circle on the first heat conduction ring inner wall, is equally carved on the second heat conduction ring outer wall
There is anti-skid chequer circle, convenient for the second heat conduction ring to be preferably fixed on the inside of the first heat conduction ring, and after wiring, connection is not easy pine with line
It is dynamic.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme can effectively disperse the heat inside shield by the ventilation device of ventilation heat-conducting mechanism, slow down it
Internal components aging due to long-term fever can effectively be radiated between connection line and the hole wall of connection jaws by heat-conducting mechanism, together
When connection is not contacted directly with line with the hole wall of connection jaws, reduce friction, connection is easy to wear with line.
(2) taper seta is connected on the mesh point of protective net, taper seta is located at protective net inside shield
Ventilation device is removed in one end, and the taper seta of a protective net is aligned to the mesh of another protective net, is convenient to clean in mesh
Between tamper.
(3) connection jaws are equipped with multiple, and multiple connection jaws are arranged in shield side, convenient for according to different wiring positions
Set the optimal connection jaws of selection.
(4) shield upper end, which is dug, through-hole, and through hole is hinged with protective cover, and protective cover side is connected with seal washer,
Open protective cover, can direct wiring, it is more convenient.
(5) protective cover is transparent material, and cap surface is protected to be coated with transparent anti-scraping coating, and the protective cover of transparent material is convenient for
User checks that the wiring condition inside shield, transparent anti-scraping coating can protect the protection cap surface of transparent material to be not easy to be scraped
Flower, influences to check.
It is carved with anti-skid chequer circle on (6) first heat conduction ring inner walls, is equally carved with anti-skid chequer circle on the second heat conduction ring outer wall, is convenient for
Second heat conduction ring is preferably fixed on the inside of the first heat conduction ring, and after wiring, connection is not easy to loosen with line.
Detailed description of the invention
Perspective view when Fig. 1 is the utility model removal ventilation heat-conducting mechanism；
Fig. 2 is the positive structure schematic of the ventilation heat-conducting mechanism of the utility model；
Fig. 3 is the positive structure schematic of the heat-transfer device of the utility model；
Fig. 4 is the perspective view of the heat-transfer device of the utility model；
Fig. 5 is the side structure schematic diagram of the ventilation heat-conducting mechanism of the utility model；
Fig. 6 is the side structure schematic diagram of the heat-transfer device of the utility model；
Perspective view when Fig. 7 is the utility model removal ventilation heat-conducting mechanism and protective cover.
Figure label explanation:
It is 1 protective shell, 2 shields, 3 connection jaws, 4 protective covers, 5 through-holes, 6 Fixing shrink rings, 7 limit heat conduction rings, 8 first thermally conductive
Ring, 9 second heat conduction rings, 10 protective nets, 11 retainer plates, 12 taper setas.
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；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Please refer to Fig. 1-7, a kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay, including upper end clamping
There is the protective shell 1 of shield 2,2 side of shield, which is dug, there are connection jaws 3, and ventilation heat-conducting mechanism is connected at connection jaws 3, divulges information
Heat-conducting mechanism includes heat-transfer device and ventilation device, and heat-transfer device includes Fixing shrink ring 6, limit heat conduction ring 7 and the first heat conduction ring
8, limit heat conduction ring 7 is socketed on 6 outer end of Fixing shrink ring, and the first heat conduction ring 8 is connect with the inner wall of Fixing shrink ring 6, and Fixing shrink ring 6 is
Rigid is unlikely to deform, and is easily installed and is dismantled, and Fixing shrink ring 6 is carved with screw thread far from the outer surface of limit heat conduction ring 7,
Screw thread is equally carved on the hole wall of connection jaws 3, Fixing shrink ring 6 is threadedly coupled with the hole wall of connection jaws 3, and the mode of threaded connection is just
In disassembly, ventilation device is located at the inside of Fixing shrink ring 6, and ventilation device includes the second heat conduction ring 9 and retainer plate 11, and second leads
Hot ring 9 is socketed on 11 outer end of retainer plate, and protective net 10 is connected between 11 inner wall of retainer plate, limits heat conduction ring 7, the first heat conduction ring
8 and second heat conduction ring 9 be heat conductive silica gel material, there is certain flexibility, so that connection is not easy to wear with line, led by ventilation
The ventilation device of heat engine structure can effectively disperse the heat inside shield 2, slow down aging due to long-term fever of its internal components, even
Connect between line and the hole wall of connection jaws 3 pass through heat-conducting mechanism can effectively radiate, while make connection line not with connection jaws 3
Hole wall directly contacts, and reduces friction, and connection is not easy to wear with line.
Taper seta 12 is connected on the mesh point of protective net 10, taper seta 12 is located at protective net 10 close to shield 2
Internal one end, removes ventilation device, the taper seta 12 of a protective net 10 is directed to the mesh of another protective net 10, just
Tamper among cleaning mesh.
Connection jaws 3 are equipped with multiple, and multiple connection jaws 3 are arranged in 2 side of shield, convenient for according to different wiring positions
Set the optimal connection jaws 3 of selection.
2 upper end of shield, which is dug, through-hole 5, protective cover 4 is hinged at through-hole 5,4 side of protective cover is connected with gasket
Circle, open protective cover 4, can direct wiring, it is more convenient.
Protective cover 4 is transparent material, and 4 surface of protective cover is coated with transparent anti-scraping coating, and the protective cover 4 of transparent material is convenient for
User checks that the wiring condition inside shield 2, transparent anti-scraping coating can protect 4 surface of protective cover of transparent material to be not easy to be scraped
Flower, influences to check.
It is carved with anti-skid chequer circle on first heat conduction ring, 8 inner wall, is equally carved with anti-skid chequer circle on 9 outer wall of the second heat conduction ring, is convenient for
Second heat conduction ring 9 is preferably fixed on 8 inside of the first heat conduction ring, and after wiring, connection is not easy to loosen with line.
This programme can effectively disperse the heat inside shield 2 by the ventilation device of ventilation heat-conducting mechanism, slow down in it
Device aging due to long-term fever in portion's can effectively be radiated between connection line and the hole wall of connection jaws 3 by heat-conducting mechanism, simultaneously
So that connection is not contacted directly with line with the hole wall of connection jaws 3, reduce friction, connection is not easy to wear with line, and connection jaws 3 are equipped with more
It is a, optimal connection jaws 3 are selected according to different wiring position convenient for user, open protective cover 4, can directly be checked and wiring,
More convenient, user can check the wiring condition inside shield 2 by the protective cover 4 of transparent material, when long-term work is in dirt
In the more working environment of grain, when the mesh of protective net 10 is blocked by sundries, Fixing shrink ring 6 can be unscrewed, remove ventilation device, it will
The taper seta 12 of one protective net 10 is directed at the mesh of another protective net 10, the tamper being convenient to clean among mesh.
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 improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (6)
1. a kind of relay of three-phase voltage with over-voltage and under-voltage adjustable band delay, is connected with shield (2) including upper end
Protective shell (1), it is characterised in that: shield (2) side, which is dug, to be had connection jaws (3), is connected at the connection jaws (3) logical
Wind heat-conducting mechanism, the ventilation heat-conducting mechanism includes heat-transfer device and ventilation device, and the heat-transfer device includes Fixing shrink ring
(6), heat conduction ring (7) and the first heat conduction ring (8) are limited, the limit heat conduction ring (7) is socketed on Fixing shrink ring (6) outer end, described
First heat conduction ring (8) is connect with the inner wall of Fixing shrink ring (6), outer surface of the Fixing shrink ring (6) far from limit heat conduction ring (7)
It is carved with screw thread, screw thread, the hole wall spiral shell of the Fixing shrink ring (6) and connection jaws (3) are equally carved on the hole wall of the connection jaws (3)
Line connection, the ventilation device is located at the inside of Fixing shrink ring (6), and ventilation device includes the second heat conduction ring (9) and retainer plate
(11), second heat conduction ring (9) is socketed on retainer plate (11) outer end, is connected with protective net between retainer plate (11) inner wall
(10)。
2. a kind of relay of the three-phase voltage according to claim 1 with over-voltage and under-voltage adjustable band delay, feature
It is: is connected with taper seta (12) on the mesh point of the protective net (10), the taper seta (12) is located at protective net
(10) one end internal close to shield (2).
3. a kind of relay of the three-phase voltage according to claim 1 with over-voltage and under-voltage adjustable band delay, feature
Be: the connection jaws (3) are equipped with multiple, and multiple connection jaws (3) are arranged in shield (2) side.
4. a kind of relay of the three-phase voltage according to claim 1 with over-voltage and under-voltage adjustable band delay, feature
Be: shield (2) upper end, which is dug, to be had through-hole (5), is hinged with protective cover (4), the protective cover at the through-hole (5)
(4) side is connected with seal washer.
5. a kind of relay of the three-phase voltage according to claim 4 with over-voltage and under-voltage adjustable band delay, feature
Be: the protective cover (4) is transparent material, and protective cover (4) surface is coated with transparent anti-scraping coating.
6. a kind of relay of the three-phase voltage according to claim 1 with over-voltage and under-voltage adjustable band delay, feature
It is: is carved with anti-skid chequer circle on the first heat conduction ring (8) inner wall, is equally carved on the second heat conduction ring (9) outer wall anti-skidding
Line circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411679.3U CN208608113U (en) | 2018-08-30 | 2018-08-30 | A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411679.3U CN208608113U (en) | 2018-08-30 | 2018-08-30 | A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208608113U true CN208608113U (en) | 2019-03-15 |
Family
ID=65680725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821411679.3U Active CN208608113U (en) | 2018-08-30 | 2018-08-30 | A kind of relay of the three-phase voltage with over-voltage and under-voltage adjustable band delay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208608113U (en) |
-
2018
- 2018-08-30 CN CN201821411679.3U patent/CN208608113U/en active Active
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