CN109637871A - A kind of small-sized DC switch - Google Patents
A kind of small-sized DC switch Download PDFInfo
- Publication number
- CN109637871A CN109637871A CN201910021803.8A CN201910021803A CN109637871A CN 109637871 A CN109637871 A CN 109637871A CN 201910021803 A CN201910021803 A CN 201910021803A CN 109637871 A CN109637871 A CN 109637871A
- Authority
- CN
- China
- Prior art keywords
- contact
- insulation crust
- switch
- sized
- small
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a kind of small-sized DC switches, including insulation crust, the insulation crust upper end is equipped with shaft, the upper end of the shaft is connected with rotating handle, the lower end of the shaft is connected with flat axis, the flat axis vertical direction is equipped at intervals with several layers interior contact parallel to each other, several outer contacts matched with the interior contact are equipped at intervals on the side wall of the insulation crust, run through contact in connection multilayer by a flat axis, space and cost have been saved in miniaturization, the whole layering of switch, every layer of switch has oneself independent function, each layer being capable of molar behavior, the increased method of the simple number of plies can be used to meet the customized demand of different clients, interior contact in rotary course with outer contact, realize the effect of cleaning dust, and then reach self-cleaning function, contact upper end, which is equipped with, in every layer leads arc plate, it realizes true Just with the dc switch of safe arc extinguishing ability.
Description
Technical field
The present invention relates to switching technique fields, it particularly relates to which a kind of small-sized DC switchs.
Background technique
Switch is electrical component the effects of playing control, connection and selection in circuit, wide range of applications.With
Alternating current is compared, and direct current has power supply volume big, at low cost, and the advantages that small is lost.Therefore in rail system, photovoltaic distribution system
Equal fields, direct current have been widely used.And then the fast development of dc switch industry is driven.
Dc switch is the important component of security guarantee in photovoltaic system, the reliability and stability of photovoltaic DC switch
It is directly related to the safety and income of photovoltaic system.What development and smart grid recently as photovoltaic industry were built adds
Speed, the especially enabling of distributed photovoltaic system, the prevalence of photovoltaic home system, dc switch industry achieve huge development
Opportunity.But the so-called dc switch of domestic market is mostly the improvement product of some alternating-current switch, is not real direct current
Switch.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of small-sized DC switch, is able to solve above-mentioned
Technical problem.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of small-sized DC switch, including insulation crust, the insulation crust upper end are equipped with shaft, and the upper end of the shaft connects
It is connected to rotating handle, the lower end of the shaft is connected with flat axis, and it is parallel to each other that the flat axis vertical direction is equipped at intervals with several layers
Interior contact, be equipped at intervals with several outer contacts matched with the interior contact on the side wall of the insulation crust.
Further, every layer of interior contact rotates connects between the rounded periphery to be formed and the insulation crust inner sidewall
There is one to lead arc plate, it is described lead arc plate and be equipped with lead arc hole, the position of the described one end for leading arc hole and interior contact and outer contact
Connection is set, the other end for leading arc hole is connected to insulation crust.
Further, each described to lead arc plate plate and lead arc hole equipped with 4.
Further, the outer end of the outer contact is connect with insulation crust inner sidewall.
Further, the outer end of the outer contact is connect with cable.
Further, the outer end of the outer contact passes through the insulation crust side wall.
Further, on the flat axis every layer include 2 interior contacts, 2 interior contacts with flat axis be symmetrical axial symmetry
Setting.
Beneficial effects of the present invention: by a flat axis through connection multilayer in contact, miniaturization saved space and at
This, switchs whole layering, and every layer of switch has oneself independent function, each layer can molar behavior, simple layer can be used
Increased method is counted to meet the customized demand of different clients, interior contact, with outer contact, realizes cleaning in rotary course
The effect of dust, and then reach self-cleaning function, contact upper end, which is equipped with, in every layer leads arc plate, and realizing really has safe arc extinguishing
The dc switch of ability.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of small-sized DC switch described according to embodiments of the present invention；
Fig. 2 is the structural schematic diagram that a kind of small-sized DC described according to embodiments of the present invention switchs outer contact connecting cable；
Fig. 3 is the structural schematic diagram that a kind of small-sized DC described according to embodiments of the present invention switchs outer contact connecting PCB board；
Fig. 4 is a kind of structural schematic diagram for leading arc plate of small-sized DC switch described according to embodiments of the present invention.
In figure: 1. insulation crusts；2. shaft；3. rotating handle；4. flat axis；5. leading arc hole；Contact in 6.；7.
Outer contact；8. cable.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in Figs 1-4, a kind of small-sized DC switch according to embodiments of the present invention, including insulation crust 1, it is described
1 upper end of insulation crust is equipped with shaft 2, and the upper end of the shaft 2 is connected with rotating handle 3, and the lower end of the shaft 2 is connected with
Flat axis 4, flat 4 vertical direction of axis are equipped at intervals with several layers interior contact 6 parallel to each other, on the side wall of the insulation crust 1
It is equipped at intervals with several outer contacts 7 matched with the interior contact 6.
In one embodiment, 1 inside of rounded periphery and the insulation crust that every layer of interior rotation of contact 6 is formed
It is connected with one between wall and leads arc plate, the arc plate of leading is equipped with arc hole 5 is led, and described one end for leading arc hole 5 is with interior contact and outside
The position of contact is connected to, and the other end for leading arc hole 5 is connected to insulation crust 1.
In one embodiment, each described to lead arc plate plate and lead arc hole 5 equipped with 4.
In one embodiment, the outer end of the outer contact 7 is connect with 1 inner sidewall of insulation crust.
In one embodiment, the outer end of the outer contact 7 is connect with cable 8.
In one embodiment, the outer end of the outer contact 7 passes through 1 side wall of insulation crust.
In one embodiment, on the flat axis 4 every layer include 2 interior contacts 6,2 interior contacts 6 are with flat axis 4
It is symmetrical arranged for symmetry axis.
In order to facilitate understanding above-mentioned technical proposal of the invention, below by way of in specifically used mode to of the invention above-mentioned
Technical solution is described in detail.
When specifically used, a kind of small-sized DC switch according to the present invention, including insulation crust 1, insulation crust 1
Upper end is equipped with shaft 2, and the upper end of shaft 2 is connected with rotating handle 3, and the lower end of shaft 2 is connected with flat axis 4, flat 4 Vertical Square of axis
To several interior contacts 6 parallel to each other are equipped at intervals with, interior contact 6 is vertical with flat axis 4, and interior contact 6 is fixedly connected with flat axis 4,
The flat rotation of axis 4 drives interior contact 6 to rotate simultaneously, and flat axis 4 can be square column structure, and every layer of interior contact 6 can be integrally formed solid
Due on a dielectric disc, dielectric disc is integrally formed with flat axis again, and then interior contact 6 is fixed on flat axis 4, Ke Yishi
Now rotate together.
Several outer contacts 7 matched with the interior contact 6 are equipped at intervals on the side wall of insulation crust 1, every layer is equipped with 2
Interior contact 6, two interior contacts 6 are symmetrical set with shaft 2 for symmetry axis, and every layer of cooperation is equipped with outside 2 outer contacts 7,2
Contact 7 is arranged in mirror symmetry, matches with 2 interior contacts 6 of this layer, each mutually matched interior contact 6 and outer contact 7 exist
In same level, interior contact 6 and outer contact 7 are made of conductive materials, and flat axis 4 is insulating materials, rotating handle 3, interior touching
First 6 and outer contact 7 contact after the state that is on of route, after rotating handle 3 is rotated to another angle, interior contact 6 and outer
7 split circuit of contact is in the state disconnected.Wherein the number of interior contact 6 and outer contact 7 can need to increase according to client
Or it reduces.
In order to make switch that there is safe arc extinguishing ability, be equipped at intervals with inside insulation crust 1 it is parallel to each other lead arc plate, lead
The number of arc plate is identical as the number of plies of interior contact 6, leads arc plate center across the rounded periphery that the rotation of contact 6 is formed in every layer, leads
The outer edge of arc plate is connect with 1 inner sidewall of insulation crust, lead arc plate be equipped with lead arc hole 5, lead arc hole 5 one end and interior contact and
The position of outer contact is connected to, and the other end for leading arc hole 5 is connected to insulation crust 1, release when can guide arc extinguishing of leading arc hole 5
Energy, avoid terminal overheat oxidation, be truly realized the dc switch with safe arc extinguishing ability.If every layer is equipped with two
It is a with shaft 2 for the symmetrical interior contact 6 of symmetry axis, each leading can be set 4 and leads arc hole 5 on arc plate, including 2 are risen and have
Effect lead arc effect and 2 in vain lead arc effect, two of them effectively lead arc hole 5 respectively correspond be arranged in 2 interior contacts 6
With the position of outer contact 7 contact, other two is invalid to lead arc hole 5 with two effectively to lead arc holes 5 arranged symmetrically.In current layer
May be the upper left corner lead arc hole 5 and the lower right corner lead arc hole 5 effectively, be that arc hole 5 and the lower right corner are led in the upper left corner in next layer
Lead that arc hole 5 is invalid, and setting 4 leads arc hole 5 for suitable for mass production and Fast Installation needs.
Meanwhile flat axis 4 so that forming friction between interior contact 6 and outer contact 7, and then avoids during rotation
Dust is accumulated between interior contact 6 and outer contact 7, plays automatic cleaning action.
In use, it is commonly encountered creepage distance problem, in order to solve this problem, can directly be connected in the outer end of outer contact 7
Wiring cable 8, outer contact 7 is designed shorter, is provided entirely in it inside insulation crust 1, on the side wall of insulation crust 1
If outer contact 7, is fixed on one end of insulation hard tube, the other end for the hard tube that insulate is worn by a rigid structure, such as insulation hard tube
1 outer wall of insulation crust is crossed, cable 8 passes through insulation hard tube and connect with the outer end of outer contact 7, and outer contact 7 is crimped with cable 8, is reduced
Volume saves assembly time.
In the case where voltage is less than 600V, needs hard copper bar outlet and be compatible with PCB installation, it in this case can will be outer
Contact 7 designs longer, passes through the side wall of insulation crust 1, some is exposed at the outside of insulation crust 1, for connecting
Connect pcb board.
When in use, by switch assembly in fixed plate, the terminal of stretching and the terminal of client are connected.
In conclusion contact in connection multilayer is run through by a flat axis by means of above-mentioned technical proposal of the invention, it is small
Type has saved space and cost, switchs whole layering, and every layer of switch has oneself independent function, and each layer can be moved integrally
Make, the increased method of the simple number of plies can be used to meet the customized demand of different clients, interior contact in rotary course with
Outer contact, realizes the effect of cleaning dust, and then reaches self-cleaning function, and contact upper end, which is equipped with, in every layer leads arc plate,
Realize dc switch really with safe arc extinguishing ability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of small-sized DC switch, which is characterized in that including insulation crust (1), insulation crust (1) upper end, which is equipped with, to be turned
The upper end of axis (2), the shaft (2) is connected with rotating handle (3), and the lower end of the shaft (2) is connected with flat axis (4), described
Flat axis (4) vertical direction is equipped at intervals with several layers interior contact (6) parallel to each other, is spaced on the side wall of the insulation crust (1)
Equipped with several outer contacts (7) matched with the interior contact (6).
2. a kind of small-sized DC switch according to claim 1, which is characterized in that every layer of interior contact (6) rotation is formed
Rounded periphery and the insulation crust (1) inner sidewall between be connected with one and lead arc plate, it is described lead arc plate and be equipped with lead arc hole
(5), described one end for leading arc hole (5) is connected to the position of interior contact and outer contact, the other end for leading arc hole (5) with
Insulation crust (1) connection.
3. a kind of small-sized DC switch according to claim 2, which is characterized in that each arc plate plate of leading is equipped with 4
Lead arc hole (5).
4. a kind of small-sized DC switch according to claim 1, which is characterized in that the outer end of the outer contact (7) and insulation
The connection of shell (1) inner sidewall.
5. a kind of small-sized DC switch according to claim 1, which is characterized in that the outer end of the outer contact (7) and cable
(8) it connects.
6. a kind of small-sized DC switch according to claim 1, which is characterized in that the outer end of the outer contact (7) passes through institute
State insulation crust (1) side wall.
7. a kind of small-sized DC switch according to claim 1, which is characterized in that upper every layer of the flat axis (4) includes in 2
Contact (6), 2 interior contacts (6) are symmetrical arranged with flat axis (4) for symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021803.8A CN109637871A (en) | 2019-01-10 | 2019-01-10 | A kind of small-sized DC switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021803.8A CN109637871A (en) | 2019-01-10 | 2019-01-10 | A kind of small-sized DC switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109637871A true CN109637871A (en) | 2019-04-16 |
Family
ID=66060353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910021803.8A Pending CN109637871A (en) | 2019-01-10 | 2019-01-10 | A kind of small-sized DC switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637871A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068542A1 (en) | 2020-09-30 | 2022-04-07 | 华为数字能源技术有限公司 | Switch unit and switch apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078264A (en) * | 2008-04-01 | 2014-10-01 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN105742107A (en) * | 2016-04-08 | 2016-07-06 | 首瑞（天津）电气设备有限公司 | Contact module for rotary disconnecting switch and rotary disconnecting switch |
| CN106783332A (en) * | 2017-02-20 | 2017-05-31 | 上海舒森电子科技有限公司 | A kind of sound contact structure and rotary switch |
| CN207183186U (en) * | 2017-09-19 | 2018-04-03 | 一二三电气有限公司 | Moulded case circuit breaker |
| CN108417429A (en) * | 2018-03-20 | 2018-08-17 | 浙江正泰电器股份有限公司 | Electrical rotary switch |
-
2019
- 2019-01-10 CN CN201910021803.8A patent/CN109637871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078264A (en) * | 2008-04-01 | 2014-10-01 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN105742107A (en) * | 2016-04-08 | 2016-07-06 | 首瑞（天津）电气设备有限公司 | Contact module for rotary disconnecting switch and rotary disconnecting switch |
| CN106783332A (en) * | 2017-02-20 | 2017-05-31 | 上海舒森电子科技有限公司 | A kind of sound contact structure and rotary switch |
| CN207183186U (en) * | 2017-09-19 | 2018-04-03 | 一二三电气有限公司 | Moulded case circuit breaker |
| CN108417429A (en) * | 2018-03-20 | 2018-08-17 | 浙江正泰电器股份有限公司 | Electrical rotary switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068542A1 (en) | 2020-09-30 | 2022-04-07 | 华为数字能源技术有限公司 | Switch unit and switch apparatus |
| EP4210082A4 (en) * | 2020-09-30 | 2024-06-19 | Huawei Digital Power Technologies Co., Ltd. | Switch unit and switch apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101757410B1 (en) | Switching device of moving contacts and fixed contacts of tap selector | |
| CN109637871A (en) | A kind of small-sized DC switch | |
| CN104658808A (en) | Solid-sealed polar pole | |
| CN105914109A (en) | Conductive loop of circuit breaker | |
| CN209312646U (en) | A kind of small-sized DC switch | |
| EP2842150A1 (en) | Isolating/grounding switch with three phases in one enclosure | |
| CN103268814B (en) | Transformer loaded capacity regulating voltage regulating shunting switch | |
| CN202585150U (en) | Switching structure of moving contacts and fixed contacts of tap selector | |
| KR101897090B1 (en) | A terminal block of motor | |
| CN203536285U (en) | Solid-sealed polar pole | |
| CN205863109U (en) | The galvanic circle of chopper | |
| CN204577322U (en) | Vacuum interrupter | |
| CN203674901U (en) | Single-phase alternating current motor | |
| CN204464213U (en) | A kind of structure of contact terminal of direct current breaker of plastic casing | |
| CN207068667U (en) | A kind of metallized film of resistance to rush of current | |
| CN101609762A (en) | Blade-shaped circuit breaker | |
| CN105378873A (en) | Selector switch for tap-changing transformers and support arm for a tap selector of the selector switch | |
| CN201359269Y (en) | Security protection structure of lamp capacitor | |
| CN110993462B (en) | Contact device of low-voltage circuit breaker | |
| CN202178205U (en) | Three-phase integrated vacuum arc extinguish chamber | |
| CN105531782A (en) | Selector switch | |
| CN214099478U (en) | Mechanical switch | |
| CN108767729A (en) | A kind of small-sized side-mounted looped network breaker cabinet | |
| CN205354967U (en) | No arc contactor with cluster hinders formula circuit deciliter system | |
| CN115172095B (en) | Multi-contact arc extinguish chamber structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |