CN205140815U - Control and protection switch - Google Patents
Control and protection switch Download PDFInfo
- Publication number
- CN205140815U CN205140815U CN201520912855.1U CN201520912855U CN205140815U CN 205140815 U CN205140815 U CN 205140815U CN 201520912855 U CN201520912855 U CN 201520912855U CN 205140815 U CN205140815 U CN 205140815U
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- Prior art keywords
- control
- guide
- bimetal leaf
- joining plate
- housing
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Abstract
To prior art exist not enough, to prior art exist not enough, the utility model aims to provide a more being favorable to inside heat dissipation, strengthening its life's control and protection switch, its technical scheme is: a control and protection switch, includes its casing, be provided with radiator fan on control and protection switch's the casing, radiator fan has power and control switch through wire series, seted up the connecting hole on the casing, radiator fan connects in the connecting hole, the power is fixed to be set up on the casing, control switch by connecting wire both ends respectively lead splicing and bimetallic strip constitutes, lead on splicing is fixed in the casing, the bimetallic strip interval sets up on the face of leading splicing, make bimetallic strip reach and lead being connected of splicing, disconnection through the temperature variation, through the implementation of above -mentioned scheme can not only be fine the technical problem that provides of this technical scheme of solution, and its structure is simple relatively, the easily processing implementation of reality.
Description
Technical field
The utility model relates to a kind of control and protective switch.
Background technology
Control and protective switch product adopts modular single product structural shape; be integrated with the major function of traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, isolator etc.; be mainly used in connecting in electric power system, circuit under carrying and disjunction normal condition (comprising the overload condition of regulation), and can connect, carry and circuit under the non-normal condition (as short circuit) that specifies of disjunction.
But control and protective switch also exists the drawback the same with other electric equipment; once loose contact that is aging, joint occurs the components and parts of its inside, its internal resistance is increased exactly; or be contact, the circuit generation touching adhesive of switch; that control and protective switch will generate heat; if the hot gas in it can not be accomplished timely to distribute fast as far as possible, with regard to being easy to, the element in control and protective switch is damaged.
In prior art, many products are for reaching radiating effect; the most conventional mode is taked in capital; namely on the housing of control and protective switch, heat radiation slotted eye is offered; but the relative flow adopted between carrying out in this way dispelling the heat due to air has limited; heat radiation can not be accomplished in time and effectively; can impact the inner member of control and protective switch for a long time in the past, reduce the useful life of control and protective switch.
The purpose of this utility model is intended to provide reasonable and enforceable technical scheme for above-mentioned technical problem.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide and is more conducive in internal heat dissipating, strengthens the control and protective switch in its useful life.
For achieving the above object, the utility model provides following technical scheme: a kind of control and protective switch, comprise its housing, it is characterized in that: the housing of described control and protective switch is provided with radiator fan, described radiator fan has power supply and control switch by wired in series; Housing offers connecting hole, and radiator fan is connected in connecting hole; Power supply is fixedly installed on housing; Control switch is made up of the guide-joining plate and bimetal leaf connecting wire two ends respectively, and guide-joining plate is fixed on housing, and bimetal leaf is arranged at intervals on the face of guide-joining plate, by variations in temperature, bimetal leaf is reached and the connection of guide-joining plate, disconnection.
The utility model is set to further: be fixedly connected with some barrier blocks between described bimetal leaf and guide-joining plate; Barrier blocks is arranged on the edge of bimetal leaf and guide-joining plate respectively.
The utility model is set to further: described bimetal leaf and guide-joining plate are that quadrangle is arranged; Barrier blocks includes four pieces, is fixedly connected on respectively between bimetal leaf and four drift angles of guide-joining plate.
The utility model is set to further: described bimetal leaf includes active layers and passive layer, and the coefficient of expansion of active layers is greater than passive layer, and wherein the relative guide-joining plate of passive layer is arranged.
The utility model is set to further: the active layers of described bimetal leaf is made up of nichrome, and passive layer is made up of dilval.
The utility model is set to further: described connecting hole is opened on the back shroud of housing.
The utility model is set to further: described back shroud offers ventilation hole.
The utility model is set to further: the side of the relative housing outer surface of described connecting hole is provided with protective cover.
The utility model is set to further: described protective cover is removably connected to housing outer surface.
The utility model is set to further: described power supply is arranged at the outside of housing, and control switch is arranged at case inside.
Pass through technique scheme; because the technical program is provided with radiator fan on the housing of described control and protective switch; so once the temperature in control and protective switch is too high; when may cause certain influence to the components and parts in it; just by radiator fan, the hot gas in it can be discharged fast; directly offer the technical scheme that thermal vias makes the hot gas in it be discharged by cross-ventilation in hinge structure, the heat dispersion of the technical program is obviously more excellent.
But operator can not pay close attention to the temperature regime in control and protective switch the moment, by the time by control switch, radiator fan is opened again time in it, temperature is too high, so obvious unreasonable, also radiator fan can not be made to be in opening always, so wastes power resource, two useful lifes also reducing radiator fan, the technical program is realize it can realize opening and closing automatically function according to temperature regime thus, described control switch is set to the guide-joining plate and the bimetal leaf that connect wire two ends respectively by spy, guide-joining plate is fixed on housing, bimetal leaf is arranged at intervals on the face of guide-joining plate, bimetal leaf is made to reach the connection with guide-joining plate by variations in temperature, disconnect, realizing circuit break-make thus, certainly the technique effect that will reach required by the technical program is also just achieved.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of control and protective switch of the utility model;
Fig. 2 is the rearview 1 of a kind of control and protective switch of the utility model;
Fig. 3 is the rearview 2 of a kind of control and protective switch of the utility model;
Fig. 4 is the back shroud cut-away view of a kind of control and protective switch of the utility model;
Fig. 5 is the control switch disrupted configuration figure of a kind of control and protective switch of the utility model;
Fig. 6 is the control switch johning knot composition of a kind of control and protective switch of the utility model
description of reference numerals:1, housing; 2, radiator fan; 3, control switch; 4, power supply; 5, bimetal leaf; 6, guide-joining plate; 7, barrier blocks; 8, connecting hole; 9, back shroud; 11, protective cover; 12, ventilation hole; 13, wire; 14, active layers; 15, passive layer.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model embodiment is described further.
For achieving the above object, the utility model provides following technical scheme: a kind of control and protective switch, comprise its housing 1, it is characterized in that: the housing 1 of described control and protective switch is provided with radiator fan 2, described radiator fan 2 is in series with power supply 4 and control switch 3 by wire 13; Housing 1 offers connecting hole 8, radiator fan 2 is connected in connecting hole 8; Power supply 4 is fixedly installed on housing 1; Control switch 3 is made up of the guide-joining plate 6 and bimetal leaf 5 connecting wire 13 two ends respectively, and guide-joining plate 6 is fixed on housing 1, and bimetal leaf 5 is arranged at intervals on the face of guide-joining plate 6, by variations in temperature, bimetal leaf 5 is reached and the connection of guide-joining plate 6, disconnection.
Pass through technique scheme; because the technical program is provided with radiator fan 2 on the housing 1 of described control and protective switch; so once the temperature in control and protective switch is too high; when may cause certain influence to the components and parts in it; just by radiator fan 2, the hot gas in it can be discharged fast; directly offer the technical scheme that thermal vias makes the hot gas in it be discharged by cross-ventilation in hinge structure, the heat dispersion of the technical program is obviously more excellent.
But operator can not pay close attention to the temperature regime in control and protective switch the moment, by the time by control switch 3, radiator fan 2 is opened again time in it, temperature is too high, so obvious unreasonable, also radiator fan 2 can not be made to be in opening always, so wastes power resource, two useful lifes also reducing radiator fan 2, the technical program is realize it can realize opening and closing automatically function according to temperature regime thus, described control switch 3 is set to the guide-joining plate 6 and the bimetal leaf 5 that connect wire 13 two ends respectively by spy, guide-joining plate 6 is fixed on housing 1, bimetal leaf 5 is arranged at intervals on the face of guide-joining plate 6, bimetal leaf 5 is made to reach the connection with guide-joining plate 6 by variations in temperature, disconnect, realizing circuit break-make thus, certainly the technique effect that will reach required by the technical program is also just achieved.
Wherein for realizing the function allowing bimetal leaf 5 and guide-joining plate 6 be set in distance mentioned by the technical program temperature, spy is fixedly connected with some barrier blocks 7 between described bimetal leaf 5 and guide-joining plate 6; Barrier blocks 7 is arranged on the edge of bimetal leaf 5 and guide-joining plate 6 respectively, for avoiding barrier blocks 7 directly to connect bimetal leaf 5 and guide-joining plate 6 in the technical program, described barrier blocks 7 will adopt the material of insulation, porcelain, glass, marble, laminated sheet lamp material can be adopted thus in this technique to make described barrier blocks 7, certainly adopted here material does not limit, as long as can meet the technical program require can, do not repeat at this.
And be ensure that barrier blocks 7 connects the steadiness of bimetal leaf 5 and guide-joining plate 6 further, and the setting of barrier blocks 7 realization of the technical program can't cause unnecessary impact, specially described bimetal leaf 5 and guide-joining plate 6 is arranged in quadrangle, barrier blocks 7 includes four pieces, be fixedly connected between bimetal leaf 5 and four drift angles of guide-joining plate 6 respectively, after adopting above-mentioned mode to arrange, because described barrier blocks 7 is arranged on four drift angles, so after the internal temperature of control and protective switch is too high, bimetal leaf 5 can make to realize normal connection with guide-joining plate 6 in the middle part of it by deformation, and barrier blocks 7 arrange one can not can hamper bimetal leaf 5 deformation too much while too increase cost, two come for ensureing that the stable connection of bimetal leaf 5 and guide-joining plate 6 can not be very few, the present inventor thinks that on four drift angles, arrange one is respectively the most rational scheme thus.
For entering one, the reasonability that the technical program realizes is described, the present inventor it is to be noted that described bimetal leaf 5 includes active layers and passive layer, the coefficient of expansion of active layers is greater than passive layer, when the temperature is changed, the deformation of active layers is greater than the deformation of passive layer, thus the entirety of bimetal leaf 5 will to passive layer curving, wherein because passive layer relative guide-joining plate 6 side is arranged, so in the process of reality, when the temperature in control and protective switch constantly rises time, bimetal leaf 5 will bend, the passive layer being is constantly near guide-joining plate 6, when temperature reach a certain height, bimetal leaf 5 will be connected by its passive layer with guide-joining plate 6, realize path, radiator fan 2 is started working, and there is Memorability due to bimetal leaf 5, so when the temperature decreases, passive layer will disconnect with guide-joining plate 6, realize open circuit, radiator fan 2 quits work.
Bimetal leaf 5 can according to different requirements; be made up of different materials; and in the technical program; the applicant consider control and protective switch inside be not suitable for operate temperature after; adopt nichrome material to make the active layers of bimetal leaf 5, passive layer adopts dilval material to make, and certainly adopted here material does not limit; as long as can meet the technical program require can, do not repeat at this.
And be ensure that the setting of the technical program can not realize causing too much impact on the normal function of control and protective switch; described connecting hole 8 is opened on the back shroud 9 of housing 1 by spy; in other words; exactly described radiator fan 2 is arranged on the back shroud 9 of control and protective switch; and back shroud 9 has been connection functions, so too much impact can't be caused on control and protective switch.
Why the setting of radiator fan 2 can play good radiating effect in fact, because fan can the circulation of larger air, take away heat whereby, based on this, for optimizing the technical program further, the present inventor spy in the rear ventilation hole 12 is offered by cover plate 9, increase air circulates, and so as to optimizing radiating effect, certainly causes unnecessary impact for avoiding to back shroud 9 intensity, offering of ventilation hole 12 is too much unsuitable, this programme preferably.
The fan blades of radiator fan 2 is owing to moving fast, be have very strong destructive, so directly by exposed for radiator fan 2 out words probably in process of its running, cause unnecessary damage, and it is on the other hand that described radiator fan 2 is directly exposed out also very possible in transport, in the processes such as installation, damage can be caused to himself, be in the consideration to above-mentioned potential Problems existing, the special side at relative housing 1 outer surface of described connecting hole 8 of the present inventor is provided with protective cover 11, while well avoiding above-mentioned possibility Problems existing, the simple and convenient processing specifically of its structure, processing cost is also relatively low.
And in order to optimize the connection of described protective cover 11 further, described protective cover 11 is removably connected to housing 1 outer surface by spy, take above-mentioned mounting means, need repairing if a radiator fan 2 is damaged or changes, just can specifically implement as long as directly protective cover 11 is pulled down, if certain grieshoch its cover saved bit by bit in the process of Long-Time Service by two protective covers 11, foreign material, when can cause certain influence to the realization of normal heat sinking function, only need described protective cover 11 to remove that to carry out cleaning just passable, it is same without the need to whole back shroud 9 is disassembled, above-mentioned technical scheme can be obtained thus and greatly optimize finally reaching of this technique effect.
It should be noted that when concrete implementation the technical program; the technique effect that control switch 3 wants the change that can perceive temperature more accurately could realize required by the technical program; therefore described control switch 3 must be installed with control and protective switch inner; and described power supply 4 is arranged at the outside of housing 1, be then conducive to the convenient replacing to power supply 4 when power supply 4 deficiency.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a control and protective switch, comprises its housing, it is characterized in that: the housing of described control and protective switch is provided with radiator fan, and described radiator fan has power supply and control switch by wired in series;
Housing offers connecting hole, and radiator fan is connected in connecting hole;
Power supply is fixedly installed on housing;
Control switch is made up of the guide-joining plate and bimetal leaf connecting wire two ends respectively, and guide-joining plate is fixed on housing, and bimetal leaf is arranged at intervals on the face of guide-joining plate, by variations in temperature, bimetal leaf is reached and the connection of guide-joining plate, disconnection.
2. a kind of control and protective switch according to claim 1, is characterized in that: be fixedly connected with some barrier blocks between described bimetal leaf and guide-joining plate;
Barrier blocks is arranged on the edge of bimetal leaf and guide-joining plate respectively.
3. a kind of control and protective switch according to claim 2, is characterized in that: described bimetal leaf and guide-joining plate are that quadrangle is arranged;
Barrier blocks includes four pieces, is fixedly connected on respectively between bimetal leaf and four drift angles of guide-joining plate.
4. a kind of control and protective switch according to claim 1, it is characterized in that: described bimetal leaf includes active layers and passive layer, the coefficient of expansion of active layers is greater than passive layer, and wherein the relative guide-joining plate of passive layer is arranged.
5. a kind of control and protective switch according to claim 4, is characterized in that: the active layers of described bimetal leaf is made up of nichrome, and passive layer is made up of dilval.
6. a kind of control and protective switch according to claim 1, is characterized in that: described connecting hole is opened on the back shroud of housing.
7. a kind of control and protective switch according to claim 6, is characterized in that: described back shroud offers ventilation hole.
8. a kind of control and protective switch according to claim 7, is characterized in that: the side of the relative housing outer surface of described connecting hole is provided with protective cover.
9. a kind of control and protective switch according to claim 8, is characterized in that: described protective cover is removably connected to housing outer surface.
10. a kind of control and protective switch according to claim 9, is characterized in that: described power supply is arranged at the outside of housing, and control switch is arranged at case inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912855.1U CN205140815U (en) | 2015-11-17 | 2015-11-17 | Control and protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912855.1U CN205140815U (en) | 2015-11-17 | 2015-11-17 | Control and protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140815U true CN205140815U (en) | 2016-04-06 |
Family
ID=55626582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520912855.1U Expired - Fee Related CN205140815U (en) | 2015-11-17 | 2015-11-17 | Control and protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591262A (en) * | 2017-11-03 | 2018-01-16 | 常熟开关制造有限公司(原常熟开关厂） | Control and protective switch |
| CN110107871A (en) * | 2019-06-12 | 2019-08-09 | 横店集团得邦照明股份有限公司 | A kind of dustproof cover and its implementation of heat automatic window |
-
2015
- 2015-11-17 CN CN201520912855.1U patent/CN205140815U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591262A (en) * | 2017-11-03 | 2018-01-16 | 常熟开关制造有限公司(原常熟开关厂） | Control and protective switch |
| CN107591262B (en) * | 2017-11-03 | 2020-02-07 | 常熟开关制造有限公司(原常熟开关厂） | Control and protection switch |
| CN110107871A (en) * | 2019-06-12 | 2019-08-09 | 横店集团得邦照明股份有限公司 | A kind of dustproof cover and its implementation of heat automatic window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |