CN202189703U - Arc-extinguishing chamber structure of PC-level double-power automatic transfer switch - Google Patents
Arc-extinguishing chamber structure of PC-level double-power automatic transfer switch Download PDFInfo
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- CN202189703U CN202189703U CN2011202845945U CN201120284594U CN202189703U CN 202189703 U CN202189703 U CN 202189703U CN 2011202845945 U CN2011202845945 U CN 2011202845945U CN 201120284594 U CN201120284594 U CN 201120284594U CN 202189703 U CN202189703 U CN 202189703U
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- arc
- control device
- cover plate
- arc control
- automatic transfer
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Abstract
The utility model discloses an arc-extinguishing chamber structure of a PC-level double-power automatic transfer switch, which comprises a base (11), a contact system (1), an arc-extinguishing chamber (6) and an electromagnetic control mechanism (3), wherein, an opening is formed on the base (11) right above the arc-extinguishing chamber (6) and is covered by an arc-extinguishing chamber cover plate (5) which is in fastened connection with the base (11) in a detachable manner. Compared with the prior art, the arc-extinguishing chamber structure adopting the above structure has the advantages that the contact parameter can be conveniently detected, so the product performance is ensured; the surface situation of the contact can be detected conveniently during maintenance, especially in such conditions as high temperature rise, loose contact and the like; and as an exhaust port is provided, the arc extinguishing capacity of the PC-level double-power automatic transfer switch is improved based on the gas blast arc principle.
Description
Technical field
The utility model belongs to the technical field of electric power system low voltage electrical equipment, relates to the low-tension switch electric appliance technology of electric power system, and more particularly, the utility model relates to the arc quenching chamber structure of PC level double power supply automatic transfer switch.
Background technology
Double power supply automatic transfer switch is claimed automatic transfer switching electric appliance again, is mainly used in the two-way electric supply system, when power supply breaks down, load circuit is transformed into automatically the device for switching of another (subsequent use) power supply from (using an always) power supply.
Double power supply automatic transfer switch mainly is divided into two kinds of CB level and PC levels.
Wherein, CB level duplicate supply is to form with two breaker of plastic casing and motor-operating mechanism, mechanical chain, controller; Power supply commonly used and stand-by power supply are inserted by breaker of plastic casing; Its arc extinguishing effect realizes that through breaker of plastic casing the lid of taking circuit breaker apart just can take out arc control device, and the exhaust outlet of arc control device is located at enterprising line cap place;
PC level double power supply automatic transfer switch is made up of body, the controller of specialized designs change over switch, and the body of specialized designs change over switch is made up of electromagnetic operating mechanism and contact system again.
Producer does not design on the body of specialized designs change over switch and can remove arc quenching chamber structure both at home and abroad; On the one hand because the arc control device place does not have exhaust outlet; Cause the arc extinguishing difficulty easily; Even the separating brake transferred arc of power supply commonly used is arrived between the combined floodgate electric arc of stand-by power supply generation, and re-breakdown phenomenon appears, and be breakneck like this; Owing to do not have opening on the pedestal of change over switch body, arc control device can not conveniently be removed on the other hand, and the contact difficult parameters that can cause moving contact like this can not guarantee product quality to detect.
And design can move arc quenching chamber structure on the body of specialized designs change over switch; Can make things convenient for the detection contact parameter to guarantee product quality; Also can in maintenance, can find easily, and the problem of being convenient to solves because of contact parameter and contact surface contact aspect cause the reason of fault.
PC level double power supply automatic transfer switch is seen from fixing arc control device mode, because arc control device top base material is thinner, can't use the female inserts of metal, is provided with at this place therefore that can to remove arc quenching chamber structure very difficult.
The utility model content
The arc quenching chamber structure of the PC level double power supply automatic transfer switch that the utility model provides, its objective is for arc extinguishing better with make things convenient for maintenance of products.
To achieve these goals, the technical scheme taked of the utility model is:
The arc quenching chamber structure of the PC level double power supply automatic transfer switch that the utility model provided; Described automatic change-over comprises pedestal, contact system, arc control device, electromagnetic operating mechanism; Pedestal directly over described arc control device is provided with opening; And through the arc control device cover plate this opening is covered, be detachable being fastenedly connected between described arc control device cover plate and the described pedestal.
The described structure that is fastenedly connected is: on the both sides of described pedestal opening, a nut embedding groove is set respectively, the notch of these two nut embedding grooves is relative, the plane parallel of the side of its groove and described arc control device cover plate; In two described nut embedding grooves, respectively insert a rectangle nut; Described arc control device cover plate screw in through two sunk screws carry out in the screwed hole of described rectangle nut fastening.
Described arc control device cover plate is provided with a plurality of cover plate steam vents, and described cover plate steam vent is the long waist shaped hole, and a plurality of described cover plate steam vents are parallel to each other and even at interval.
The material of described arc control device cover plate is identical with the material of described pedestal, is glass fiber reinforced unsaturated polyester plastic DMC.
The material of described rectangle nut is cold bundle steel plate.
Described arc control device cover plate is established the cover plate flanging of convex towards the one side of arc control device, and described cover plate flanging contacts and it is compressed with described arc control device.
The utility model adopts technique scheme, compared with prior art, has the following advantages: can make things convenient for the detection contact parameter, guarantee properties of product; Can check the contact surface situation during convenient for maintaining, particularly under situations such as temperature rise, loose contact, more need; Be provided with exhaust outlet, utilize air-blowing arc principle, improved the arc extinguishing ability of PC level double power supply automatic transfer switch; The technical application of the utility model on the product of prior art, is improved the technology content and the safety in utilization of traditional product greatly, improved the market competitiveness, be convenient to applying of product.
Description of drawings
The mark of facing down among expressed content of each width of cloth accompanying drawing of this specification and the figure is made brief description:
Fig. 1 is the structure and shape figure of the utility model;
Fig. 2 is the installation diagram of the moved arc quenching chamber structure of the utility model;
Fig. 3 looks sketch map for the structure shown in Figure 2 right side;
Fig. 4 is the structural representation of the moved arc control device pedestal of the utility model;
Fig. 5 looks sketch map for the right side of structure shown in Figure 4;
Fig. 6 is the structural representation of the arc control device in the utility model;
Fig. 7 is the arc control device structure of cover plate sketch map in the utility model;
Fig. 8 is the sketch map of the local amplification of the A among Fig. 2;
Fig. 9 is the schematic perspective view of the arc control device cover plate in the utility model;
Figure 10 is the schematic perspective view of the rectangle nut in the utility model.
Be labeled as among the figure:
1, contact system, 2, covering plate structure, 3, electromagnetic operating mechanism, 4, sunk screw, 5, the arc control device cover plate, 6, arc control device; 7, pedestal cover plate, 8, the nut embedding groove, 9, moving contact, 10, fixed contact, 11, pedestal, 12, the pedestal installing hole; 13, pedestal installing hole, 14, fixed contact, 15, moving contact, 16, the nut embedding groove, 17, sunk screw; 18, rectangle nut, 19, the cover plate installing hole, 20, the cover plate flanging, 21, the cover plate steam vent, 22, the cover plate installing hole.
Embodiment
Contrast accompanying drawing below; Through description to embodiment; To effect and operation principle, the manufacturing process of the mutual alignment between the shape of the embodiment of the utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc.; Do further detailed explanation, inventive concept, the technical scheme of the utility model are had more complete, accurate and deep understanding to help those skilled in the art.
Like the structure of the expressed the utility model of Fig. 1 to Figure 10, be the arc quenching chamber structure of PC level double power supply automatic transfer switch, described automatic change-over comprises pedestal 11, contact system 1, arc control device 6, electromagnetic operating mechanism 3.
The contact parameter of described contact system 1 generally comprises out distance, the excess of stroke, end pressure, synchronism, stylus deflection.
Contact system 1 among Fig. 1 has been formed PC level double power supply automatic transfer switch body with electromagnetic operating mechanism 3, contact system 1 under electromagnetic operating mechanism 3 drives, its contact from one tunnel power source conversion to another road power supply.Contact system 1 is made up of 4 modules extremely side by side, and arc control device 6 and covering plate structure 2 are all arranged on each one pole module.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize arc extinguishing and the goal of the invention that makes things convenient for maintenance of products better, the technical scheme that the utility model is taked is:
Extremely shown in Figure 10 like Fig. 1, the arc quenching chamber structure of the PC level double power supply automatic transfer switch that the utility model provided, its described covering plate structure 2: the pedestal 11 directly over described arc control device 6 is provided with opening, and the opening that can remove arc control device is provided.And through arc control device cover plate 5 this opening is covered, be detachable being fastenedly connected between described arc control device cover plate 5 and the described pedestal 11.Arc control device cover plate 5 also is used for fixing arc control device 6.
The utility model provides the moved arc quenching chamber structure of PC level double power supply automatic transfer switch; I.e. 11 upper sheds of pedestal directly over arc control device 6; Be pressed on the arc control device 6 with arc control device cover plate 5 then and be fixed on the pedestal 11; What adopt is detachable syndeton, just can conveniently take out arc control device 6 when can remove cover plate like this.The arc control device cover plate 5 of dismantling is removed arc control device 6, can in use check the contact surface situation, carries out the detection of contact parameter, and is easy to detect, improved product quality.Adopt this quadrat method can guarantee that arc control device are fixing reliable simultaneously, good looking appearance, arc control device are removed conveniently.
The utility model has solved PC level duplicate supply can't the detection contact parameter on complete machine, can not convenient for maintaining in using, the arc extinction performance low problem of product; For it provides a kind of practical solution of removing arc quenching chamber structure; Make PC level double power supply automatic transfer switch can guarantee product contact parameter request; Improved product quality and arc extinction performance, made product easy to maintenance, and be convenient to commercialization and apply.
The structure that described arc control device cover plate 5 is fastenedly connected is:
On the both sides of described pedestal 11 openings, a nut embedding groove 8 and nut embedding groove 16 respectively are set, the notch of nut embedding groove 8, nut embedding groove 16 is relative, the plane parallel of the side of its groove and described arc control device cover plate 5; In two described nut embedding grooves 8, nut embedding groove 16, respectively insert a rectangle nut 18; Carry out fastening in the screwed hole of described arc control device cover plate 5 through two sunk screws 4, the described rectangle nut 18 of sunk screw 17 screw-ins.Described sunk screw 4 can adopt the cross sunk screw with sunk screw 17.
Said structure is used for fixing arc control device cover plate 5.
Like Fig. 2 and shown in Figure 4, pedestal 11 wall thickness above arc control device 6 are very thin, can't use the copper nut inserts, and adopt rectangle nut 18 and nut embedding groove 8, nut embedding groove 16, solved the problems referred to above.Described nut embedding groove 8, nut embedding groove 16 are T shape slit.Be employed on the thin-walled of pedestal 11 and open T shape slit; And open two holes at T shape slit; Diameter is the same with the cover board hole size, and just two special rectangle nuts 18 are placed on the T shape slit place on the pedestal 11 earlier, then arc control device cover plate 5 is put into and is fixed with sunk screw 4 and sunk screw 17.When rectangle nut 18 pack into nut embedding groove 8, nut embedding groove 16, the screwed hole on the rectangle nut 18 is aimed at the pedestal installing hole 12 and pedestal installing hole 13 on the pedestal 11, is beneficial to the screw-in of sunk screw 4, sunk screw 17.Solved on the thin-walled the fixedly problem of arc control device cover plate 5 like this.
Its assembly relation and assembling process are:
Extremely shown in Figure 7 like Fig. 4; Earlier moving contact 9, fixed contact 10, moving contact 15, fixed contact 14 and driving section are graded and be contained on the pedestal 11; And dispose rectangle nut 18 at nut embedding groove 8 and nut embedding groove 16, and then pedestal cover plate 7 is covered on pedestal 11, formed the one pole module; Two square shafts pass four one pole modules makes it form contact system 1 side by side; Then arc control device 6 are put into the oblong aperture of the pedestal 11 of every one pole module; Arc control device cover plate 5 is loaded onto; And pass cover plate installing hole 19 and cover plate installing hole 22 respectively with sunk screw 4 and sunk screw 17; Pass pedestal installing hole 12 and pedestal installing hole 13 on the pedestal 11 more respectively, arc control device cover plate 5 is fixed on the rectangle nut 18 in nut embedding groove 8 and the nut embedding groove 16, just be assembled into the moved arc quenching chamber structure of PC level double power supply automatic transfer switch.
The arc control device cover plate 5 that four can be removed in the contact system 1 can be removed or load onto at any time.
Described arc control device cover plate 5 is provided with a plurality of cover plate steam vents 21, and described cover plate steam vent 21 is the long waist shaped hole, and a plurality of described cover plate steam vent 21 is parallel to each other and at interval evenly.
But the part drawing of the arc control device cover plate 5 of withdraw-type as shown in Figure 9 is to be used for fixing arc control device and to use as air-blowing arc exhaust outlet.Designed the cover plate steam vent 21 of long waist shaped on the arc control device cover plate 5; Exhaust outlet as PC level double power supply automatic transfer switch; Electric arc produces the back internal gas flow and flows through arc control device 6 earlier, flows out through the cover plate steam vent on the arc control device cover plate 5 21 again, forms air-blowing arc effect; The favourable air-blowing arc of said structure effect, the arc extinguishing ability of raising PC level double power supply automatic transfer switch.
Described arc control device cover plate 5 is established the cover plate flanging 20 of convex towards the one side of arc control device 6, and described cover plate flanging 20 contacts and it is compressed with described arc control device 6.
The fixedly effect of arc control device 6 is played in cover plate flanging 20 among Fig. 9.So just can utilize cover plate to compress arc control device 6 well.As shown in Figure 2.
The cover plate installing hole 19 and the cover plate installing hole 22 at the two ends of arc control device cover plate 5 are used for arc control device cover plate 5 is fixed on the pedestal 11.
Said raising air-blowing arc effect: produce arc energy during owing to the contact folding; The pressure of arc control device 6 is increased; Pressure differential between this pressure and the arc control device external atmosphere pressure just can form by arc control device and pass through the gas outlet to extraneous air-flow, and this air-flow has two kinds of effects: a kind of is the arc extinguishing grid pieces generation cooling effect that electric arc is got into arc control device; Another kind is the actuating force that produces electric arc, forces electric arc to get into the arc extinguishing grid pieces of arc control device, and these two effects can both improve the arc extinguishing ability greatly, and electric arc is extinguished rapidly.
Described arc control device cover plate 5 cover plate materials are identical with the material of described pedestal 11, are glass fiber reinforced unsaturated polyester plastic DMC.
The material of described rectangle nut 18 is cold bundle steel plate.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the method design of the utility model and the improvement of the various unsubstantialities that technical scheme is carried out; Or the design of the utility model and technical scheme are directly applied to other occasion without improving, all within the protection range of the utility model.
Claims (6)
1. the arc quenching chamber structure of a PC level double power supply automatic transfer switch; Described automatic change-over comprises pedestal (11), contact system (1), arc control device (6), electromagnetic operating mechanism (3); It is characterized in that: the pedestal (11) directly over described arc control device (6) is provided with opening; And through arc control device cover plate (5) this opening is covered, be detachable being fastenedly connected between described arc control device cover plate (5) and the described pedestal (11).
2. according to the arc quenching chamber structure of the described PC level of claim 1 double power supply automatic transfer switch; It is characterized in that: the described structure that is fastenedly connected is: on the both sides of described pedestal (11) opening; A nut embedding groove (8,16) respectively is set; The notch of these two nut embedding grooves (8,16) is relative, the plane parallel of the side of its groove and described arc control device cover plate (5); In two described nut embedding grooves (8,16), respectively insert a rectangle nut (18); Carry out fastening in the screwed hole of described arc control device cover plate (5) through two sunk screws (4,17) described rectangle nuts of screw-in (18).
3. according to the arc quenching chamber structure of claim 1 or 2 described PC level double power supply automatic transfer switchs; It is characterized in that: described arc control device cover plate (5) is provided with a plurality of cover plate steam vents (21); Described cover plate steam vent (21) is the long waist shaped hole, and a plurality of described cover plate steam vents (21) are parallel to each other and even at interval.
4. according to the arc quenching chamber structure of claim 1 or 2 described PC level double power supply automatic transfer switchs; It is characterized in that: the material of described arc control device cover plate (5) is identical with the material of described pedestal (11), is glass fiber reinforced unsaturated polyester plastic DMC.
5. according to the arc quenching chamber structure of the described PC level of claim 2 double power supply automatic transfer switch, it is characterized in that: the material of described rectangle nut (18) is cold bundle steel plate.
6. according to the arc quenching chamber structure of the described PC level of claim 2 double power supply automatic transfer switch; It is characterized in that: described arc control device cover plate (5) is towards the one side of arc control device (6); If the cover plate flanging (20) of convex, described cover plate flanging (20) contacts and it is compressed with described arc control device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845945U CN202189703U (en) | 2011-08-06 | 2011-08-06 | Arc-extinguishing chamber structure of PC-level double-power automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202845945U CN202189703U (en) | 2011-08-06 | 2011-08-06 | Arc-extinguishing chamber structure of PC-level double-power automatic transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202189703U true CN202189703U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202845945U Expired - Fee Related CN202189703U (en) | 2011-08-06 | 2011-08-06 | Arc-extinguishing chamber structure of PC-level double-power automatic transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202189703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420061A (en) * | 2011-08-06 | 2012-04-18 | 安徽鑫龙电器股份有限公司 | Arc extinguish chamber structure of automatic PC (Personal Computer) level dual power change-over switch |
-
2011
- 2011-08-06 CN CN2011202845945U patent/CN202189703U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420061A (en) * | 2011-08-06 | 2012-04-18 | 安徽鑫龙电器股份有限公司 | Arc extinguish chamber structure of automatic PC (Personal Computer) level dual power change-over switch |
| CN102420061B (en) * | 2011-08-06 | 2014-10-15 | 安徽鑫龙电器股份有限公司 | Arc extinguish chamber structure of automatic PC (Personal Computer) level dual power change-over switch |
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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: 20120411 Termination date: 20140806 |
|
| EXPY | Termination of patent right or utility model |