CN110246709A - Multiparty control circuit - Google Patents
Multiparty control circuit Download PDFInfo
- Publication number
- CN110246709A CN110246709A CN201910555388.4A CN201910555388A CN110246709A CN 110246709 A CN110246709 A CN 110246709A CN 201910555388 A CN201910555388 A CN 201910555388A CN 110246709 A CN110246709 A CN 110246709A
- Authority
- CN
- China
- Prior art keywords
- upper contact
- contact
- lower contact
- control
- disconnected position
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
Abstract
The invention discloses a kind of multiparty control circuits, the multiparty control circuit passes through electricity piece, power supply and the multiple double acting control switches being arranged in series, it is also electrically connected by by-pass between each double acting switch, control unit controls the first lower contact and the electrical connection of the second lower contact, while control third lower contact and the electrical connection of the 4th lower contact in the state of keeping the disconnected position of third and the 4th disconnected position to disconnect；Alternatively, control unit controls the 5th lower contact and the electrical connection of the 8th lower contact, while the 5th lower contact and the electrical connection of the 6th lower contact are made in the case where the state control that position and the second disconnected position disconnect is broken in holding first.The multiparty control circuits assembly is simple, does not need cumbersome circuit connection process, and multiple double acting control switches can be realized can be with the energization or power-off of independent control electricity piece.
Description
Technical field
The present invention relates to multiparty control circuits.
Background technique
With the development and the improvement of people's living standards of society, various electrical equipments answering in people's daily life
With also more and more extensively, the circuit design of single-point control is no longer satisfied the demand of people.It often will appear this in daily life
The problem of sample: since the position of switch is fixed, people, which have to go to fixed position every time, removes open and close electrical equipment,
Often people's lives are caused with certain inconvenience in this way.Such as have in dormitory more people inhabitation when, if everyone need pair
Headlamp is controlled, and is controlled then requiring fixed position switch every time, is caused not to everyone life in this way
It is convenient.It also such as requires opening for control circuit in different places in large conference room, warehouse, workshop and tier building etc.
The pass and.Controlled currently, existing control mode can only be realized in two places, i.e., can only by two switch to circuit into
Row is switched on and off, and be cannot achieve multiparty control, is controlled even if being that by multiple spot, it is also desirable to cumbersome and complicated electricity
Road design, and waste wire rod extremely.
Summary of the invention
The object of the present invention is to provide a kind of multiparty control circuits, and the multiparty control circuits assembly is simple, do not need cumbersome
Circuit connection process, multiple double acting control switches can be realized can be with the energization or power-off of independent control electricity piece.
To achieve the goals above, the present invention provides a kind of multiparty control circuits, which includes: to pass through
Electricity piece, power supply and the multiple double acting control switches that main line is arranged in series also pass through by-pass electricity between each double acting switch
Connection；Wherein, the double acting control switch includes: shell, control unit, first annular circuit and is set to described first annular
The second loop checking installation in circuit is provided with the first tie point connecting with the by-pass on the left of the first annular circuit,
The second tie point connecting with the by-pass, the left side of second loop checking installation are provided on the right side of the first annular circuit
It is provided with the third tie point connecting with the main line, is provided on the right side of the first annular circuit and is connect with the main line
4th tie point；The first disconnected position and the second disconnected position are respectively arranged on the upside of the first annular circuit and the second loop checking installation,
The both ends of the first disconnected position are provided with the first lower contact and the second lower contact, and the both ends of the second disconnected position are provided under third
Contact and the 4th lower contact are respectively arranged with third on the downside of the first annular circuit and the second loop checking installation and break position and the 4th
The both ends of disconnected position, the disconnected position of the third are provided with the 5th lower contact and the 6th lower contact, and the both ends of the 4th disconnected position are provided with
7th lower contact and the 8th lower contact；Described control unit controls first lower contact and the electrical connection of the second lower contact, simultaneously
The third lower contact and the electrical connection of the 4th lower contact are controlled in the state of keeping the disconnected position of the third and the 4th disconnected position to disconnect；
Alternatively, described control unit controls the 5th lower contact and the electrical connection of the 8th lower contact, while keeping the first disconnected position
The 6th lower contact and the electrical connection of the 7th lower contact are made under the state control disconnected with the second disconnected position.
Preferably, described control unit includes: to correspond respectively under first lower contact, the second lower contact, third touch
Point, the 4th lower contact, the 5th lower contact, the 6th lower contact, the first upper contact of the 7th lower contact and the 8th lower contact, on second
Contact, third upper contact, the 4th upper contact, the 5th upper contact, the 6th upper contact, the 7th upper contact and the 8th upper contact；Wherein,
First upper contact and the second upper contact are connected by conductive sheet, and the third upper contact, the 4th upper contact pass through conductive sheet
Connection, the 5th upper contact and the 8th upper contact are connected by conductive sheet, and the 6th upper contact and the 7th upper contact pass through
Conductive sheet connection；Described control unit further includes insulation control piece, and what multiple conductive sheets mutually insulated is fixed in described
It insulate on control piece, the insulation control piece includes two kinds of control models, is respectively as follows: and 1) controls first upper contact, second
Upper contact, third upper contact and the 4th upper contact are connect with corresponding lower contact, while keeping the 5th upper contact, the 6th
Upper contact, the 7th upper contact and the 8th upper contact and corresponding lower contact disconnect；2) the 5th upper contact is controlled, on the 6th
Contact, the 7th upper contact and the 8th upper contact are connect with corresponding lower contact, while keeping first upper contact, on second
Contact, third upper contact and the 4th upper contact and corresponding lower contact disconnect.
Preferably, the insulation control piece is straight line insulation board, and setting is provided with the straight line insulation board in the shell
The sliding slot slided above and below is provided with convex block in the middle part of the straight line insulation board, and the upper surface of the shell is provided with corresponding to institute
State the strip-shaped hole of convex block sliding.
Preferably, the insulation control piece is right angle insulation board, and first upper contact, the second upper contact touch in third
Point and the 4th upper contact are set to one end of the right angle insulation board, the 5th upper contact, the 6th upper contact, the 7th upper contact
It is located at the other end of the right angle insulation board with the 8th upper contact, is provided in the middle part of the right angle insulation board and is connected to the shell
The knob end of the self-locking type switch knob of body, the self-locking type switch knob protrudes from the hull outside.
Preferably, the insulation control piece be self locking type bidirectional push switch plate, the self locking type bidirectional push switch plate,
The bottom surface at the both ends of the self locking type bidirectional push switch plate is provided with oblique angle portion, first upper contact, the second upper contact,
Three upper contacts and the 4th upper contact are disposed therein the mitred sections and set, the 5th upper contact, the 6th upper contact,
Seven upper contacts and the 8th upper contact are set to another described mitred sections and set.
Preferably, first lower contact, the second lower contact, third lower contact, the 4th lower contact, the 5th lower contact,
Six lower contacts, the 7th lower contact, the 8th lower contact, the first upper contact, the second upper contact, third upper contact, the 4th upper contact,
Five upper contacts, the 6th upper contact, the 7th upper contact and the 8th upper contact are the spherical surface formed after copper sheet is raised or mesa touching
Point.
According to the above technical scheme, the present invention in multiparty control circuit have the advantage that can be quantity-unlimiting series connection
The double acting control switch is assembled, the work such as complicated wiring wiring are not needed, it is only necessary to be led between multiple double acting control switches
It crosses main line to connect with by-pass, even also can go up quickly hand without the people on very strong electricity basis and carries out circuit dress
Match.Furthermore it is also possible to save consumptive material, especially in the case where switch increases, the usage amount of consumptive material be will be greatly reduced.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of overall diagram of preferred embodiment of multiparty control circuit in the present invention；
Fig. 2 is that double acting control switch removes control unit with the partial schematic diagram of outer portion in the present invention；
Fig. 3 is that control unit removes insulation control piece with the partial schematic diagram of outer portion in the present invention；
Fig. 4 is the structural schematic diagram of the first preferred embodiment of control unit in the present invention；
Fig. 5 is the structural schematic diagram of second of preferred embodiment of control unit in the present invention；
Fig. 6 is the structural schematic diagram of the third preferred embodiment of control unit in the present invention；
Electrical block diagram in Fig. 7 present invention after multiple double acting control switch series connection.
Description of symbols
1 main line, 2 shell
3 self-locking type switch knob, 4 self locking type bidirectional push switch plate
5 convex block, 6 electricity piece
7 power supply, 8 by-pass
9 straight line insulation board, 10 right angle insulation board
11 oblique angle portion, 12 strip-shaped hole
A third tie point the first tie point of b
The 4th the second tie point of tie point d of c
E1 the first lower contact the second lower contact of e2
The 4th lower contact of e3 third lower contact e4
The 6th lower contact of the 5th lower contact e6 of e5
The 8th lower contact of the 7th lower contact e8 of e7
F1 the first upper contact the second upper contact of f2
The 4th upper contact of f3 third upper contact f4
The 6th upper contact of the 5th upper contact f6 of f5
The 8th upper contact of the 7th upper contact f8 of f7
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, it is included in the term " up and down, inside and outside front and back " etc.
The noun of locality only represents orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without answering
It is considered as the limitation to the term.
Referring to multiparty control circuit shown in Fig. 1-7, which includes: the electricity being arranged in series by main line 1
Gas part 6, power supply 7 and multiple double acting control switches are also electrically connected between each double acting switch by by-pass 8；Wherein, described
Double acting control switch include: shell 2, control unit, first annular circuit and be set in the first annular circuit second
Loop checking installation is provided with the first tie point b connecting with the by-pass 8, first ring on the left of the first annular circuit
The second tie point d connecting with the by-pass 8 is provided on the right side of shape circuit, be provided on the left of second loop checking installation with
The third tie point a that the main line 1 connects is provided with the 4th connect with the main line 1 on the right side of the first annular circuit
Tie point c；The first disconnected position and the second disconnected position are respectively arranged on the upside of the first annular circuit and the second loop checking installation, it is described
The both ends of first disconnected position are provided with the first lower contact e1 and the second lower contact e2, and the both ends of the second disconnected position are provided under third
Contact e3 and the 4th lower contact e4, be respectively arranged on the downside of the first annular circuit and the second loop checking installation third break position and
4th disconnected position, the break both ends of position of the third are provided with the 5th lower contact e5 and the 6th lower contact e6, and the two of the 4th disconnected position
End is provided with the 7th lower contact e7 and the 8th lower contact e8；Described control unit controls the lower touching of the first lower contact e1 and second
Point e2 electrical connection, at the same control in the state of keeping the third to break position and the 4th disconnected position disconnects the third lower contact e3 and
4th lower contact e4 electrical connection；Alternatively, described control unit controls the 5th lower contact e5 and the 8th lower contact e8 electrical connection,
The 6th lower contact e6 and the 7th lower contact are made under the state control for keeping the first disconnected position and the second disconnected position to disconnect simultaneously
E7 electrical connection.
Through the implementation of the above technical solution, have the advantage that can be quantity-unlimiting for the multiparty control circuit in the present invention
The assembled in series double acting control switch, do not need the work such as complicated wiring wiring, it is only necessary in multiple double acting control switches
Between connected by main line 1 and by-pass 8, even also can go up quickly hand without the people on very strong electricity basis and carry out
Circuits assembly.Furthermore it is also possible to save consumptive material, especially in the case where switch increases, the usage amount of consumptive material can significantly drop
It is low.
In this embodiment, to further provide for a kind of control unit, it is preferable that described control unit includes: difference
Corresponding to the first lower contact e1, the second lower contact e2, third lower contact e3, the 4th lower contact e4, the 5th lower contact e5,
The first upper contact f1, the second upper contact f2, third upper contact of six lower contact e6, the 7th lower contact e7 and the 8th lower contact e8
F3, the 4th upper contact f4, the 5th upper contact f5, the 6th upper contact f6, the 7th upper contact f7 and the 8th upper contact f8；Wherein, institute
It states the first upper contact f1 and the second upper contact f2 to connect by conductive sheet, the third upper contact f3, the 4th upper contact f4 pass through
Conductive sheet connection, the 5th upper contact f5 and the 8th upper contact f8 pass through conductive sheet connection, the 6th upper contact f6 and the
Seven upper contact f7 are connected by conductive sheet；Described control unit further includes insulation control piece, and multiple conductive sheets are mutually exhausted
Edge is fixed on the insulation control piece, and the insulation control piece includes two kinds of control models, is respectively as follows: and 1) is controlled described the
One upper contact f1, the second upper contact f2, third upper contact f3 and the 4th upper contact f4 are connect with corresponding lower contact, are protected simultaneously
It holds the 5th upper contact f5, the 6th upper contact f6, the 7th upper contact f7 and the 8th upper contact f8 and corresponding lower contact is disconnected
It opens；2) control the 5th upper contact f5, the 6th upper contact f6, the 7th upper contact f7 and the 8th upper contact f8 and it is corresponding under
Contact connection, while keeping the first upper contact f1, the second upper contact f2, third upper contact f3 and the 4th upper contact f4 and institute
Corresponding lower contact disconnects.
In this embodiment, insulate control piece mode can in the art in common structure optionally, in order to suitable
Cope with the control of circuit, it is preferable that the insulation control piece is straight line insulation board 9, and setting is provided with described straight in the shell 2
The sliding slot that line insulation board 9 slides above and below, the middle part of the straight line insulation board 9 are provided with convex block 5, and the upper surface of the shell 2 is set
It is equipped with the strip-shaped hole 12 for corresponding to the convex block 5 sliding.It is slided therewith by the corresponding straight line insulation board 9 of slide bumping 5, in turn
Drive multiple upper contact synchronizing movings.When wherein the first, second, third and fourth upper contact is electrically connected, the five, the six, seven, the open circuit of eight upper contacts,
Or it conversely, therefore, can be realized by changing the length of straight line insulation board 9.
In this embodiment, insulate control piece mode can in the art in common structure optionally, in order to suitable
Cope with the control of circuit, it is preferable that the insulation control piece is right angle insulation board 10, the first upper contact f1, is touched on second
Point f2, third upper contact f3 and the 4th upper contact f4 are set to one end of the right angle insulation board 10, the 5th upper contact f5,
6th upper contact f6, the 7th upper contact f7 and the 8th upper contact f8 are located at the other end of the right angle insulation board 10, the right angle
The middle part of insulation board 10 is provided with the self-locking type switch knob 3 for being connected to the shell 2, the rotation of the self-locking type switch knob 3
Button end protrudes from outside the shell 2.In addition, right angle insulation board 10 here is in order to for easy to operate, when being not limited only to
Right-angle structure, or other angles can make the first, second, third and fourth upper contact by rotary self-locking formula switching knob 3
When being electrically connected, the five, the six, seven, the open circuit or on the contrary of eight upper contacts.
In this embodiment, insulate control piece mode can in the art in common structure optionally, in order to suitable
Cope with the control of circuit, it is preferable that the insulation control piece is self locking type bidirectional push switch plate 4, and the self locking type bidirectional is pressed
Compress switch plate 4, and the bottom surface at the both ends of the self locking type bidirectional push switch plate 4 is provided with oblique angle portion 11, first upper contact
F1, the second upper contact f2, third upper contact f3 and the 4th upper contact f4 are disposed therein 11 position of oblique angle portion, described
5th upper contact f5, the 6th upper contact f6, the 7th upper contact f7 and the 8th upper contact f8 are set to another oblique angle portion 11
Position.When by pressing different ends the first, second, third and fourth upper contact being electrically connected, the five, the six, seven, the open circuit of eight upper contacts, or
Person is on the contrary.The purpose that oblique angle portion 11 is set be so that contact contact it is more smooth.
In this embodiment, in order to improve contact conductive effect, it is preferable that the first lower contact e1, the second lower touching
Under point e2, third lower contact e3, the 4th lower contact e4, the 5th lower contact e5, the 6th lower contact e6, the 7th lower contact e7, the 8th
Contact e8, the first upper contact f1, the second upper contact f2, third upper contact f3, the 4th upper contact f4, the 5th upper contact f5, the 6th
Upper contact f6, the 7th upper contact f7 and the 8th upper contact f8 are the spherical surface formed after copper sheet is raised or mesa contact.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of multiparty control circuit, which is characterized in that the multiparty control circuit includes: to be arranged in series by main line (1)
Electricity piece (6), power supply (7) and multiple double acting control switches are also electrically connected between each double acting switch by by-pass (8)；
Wherein,
The double acting control switch includes: shell (2), control unit, first annular circuit and is set to described first annular time
The second loop checking installation in road is provided with the first tie point connecting with the by-pass (8) on the left of the first annular circuit
(b), the second tie point (d) connecting with the by-pass (8), second annular are provided on the right side of the first annular circuit
It is provided with the third tie point (a) connecting with the main line (1) on the left of circuit, is provided on the right side of the first annular circuit
The 4th tie point (c) being connect with the main line (1)；
It is respectively arranged with the first disconnected position and the second disconnected position on the upside of the first annular circuit and the second loop checking installation, described first
The both ends of disconnected position are provided with the first lower contact (e1) and the second lower contact (e2), and the both ends of the second disconnected position are provided under third
It is disconnected to be respectively arranged with third on the downside of the first annular circuit and the second loop checking installation for contact (e3) and the 4th lower contact (e4)
Position and the 4th disconnected position, the break both ends of position of the third are provided with the 5th lower contact (e5) and the 6th lower contact (e6), and the described 4th
The both ends of disconnected position are provided with the 7th lower contact (e7) and the 8th lower contact (e8)；
Described control unit controls first lower contact (e1) and the second lower contact (e2) is electrically connected, while in holding described the
Three disconnected positions and the 4th disconnected position control the third lower contact (e3) and the electrical connection of the 4th lower contact (e4) in the state of disconnecting；Or
Person, described control unit controls the 5th lower contact (e5) and the 8th lower contact (e8) is electrically connected, while in holding described the
The 6th lower contact (e6) and the electrical connection of the 7th lower contact (e7) are made under the state control that one disconnected position and the second disconnected position disconnect.
2. multiparty control circuit according to claim 1, which is characterized in that described control unit includes: to correspond respectively to
First lower contact (e1), the second lower contact (e2), third lower contact (e3), the 4th lower contact (e4), the 5th lower contact
(e5), the first upper contact (f1), the second upper contact of the 6th lower contact (e6), the 7th lower contact (e7) and the 8th lower contact (e8)
(f2), third upper contact (f3), the 4th upper contact (f4), the 5th upper contact (f5), the 6th upper contact (f6), the 7th upper contact
(f7) and the 8th upper contact (f8)；Wherein,
First upper contact (f1) is connected with the second upper contact (f2) by conductive sheet, the third upper contact (f3), the 4th
Upper contact (f4) is connected by conductive sheet, and the 5th upper contact (f5) is connected with the 8th upper contact (f8) by conductive sheet, institute
It states the 6th upper contact (f6) and is connected with the 7th upper contact (f7) by conductive sheet；
Described control unit further includes insulation control piece, and what multiple conductive sheets mutually insulated is fixed in the insulation control
On part, the insulation control piece includes two kinds of control models, is respectively as follows:
1) control first upper contact (f1), the second upper contact (f2), third upper contact (f3) and the 4th upper contact (f4) and
Corresponding lower contact connection, at the same keep the 5th upper contact (f5), the 6th upper contact (f6), the 7th upper contact (f7) and
8th upper contact (f8) and corresponding lower contact disconnect；
2) control the 5th upper contact (f5), the 6th upper contact (f6), the 7th upper contact (f7) and the 8th upper contact (f8) and
Corresponding lower contact connection, at the same keep first upper contact (f1), the second upper contact (f2), third upper contact (f3) and
4th upper contact (f4) and corresponding lower contact disconnect.
3. multiparty control circuit according to claim 2, which is characterized in that the insulation control piece is straight line insulation board
(9), setting is provided with the sliding slot that the straight line insulation board (9) is slided above and below, the straight line insulation board (9) in the shell (2)
Middle part be provided with convex block (5), the upper surface of the shell (2) be provided with corresponding to the convex block (5) sliding strip-shaped hole
(12)。
4. multiparty control circuit according to claim 2, which is characterized in that the insulation control piece is right angle insulation board
(10), first upper contact (f1), the second upper contact (f2), third upper contact (f3) and the 4th upper contact (f4) are set to institute
State one end of right angle insulation board (10), the 5th upper contact (f5), the 6th upper contact (f6), the 7th upper contact (f7) and the 8th
Upper contact (f8) is located at the other end of the right angle insulation board (10), is provided with and is connected in the middle part of the right angle insulation board (10)
The knob end of the self-locking type switch knob (3) of the shell (2), the self-locking type switch knob (3) protrudes from the shell (2)
It is external.
5. multiparty control circuit according to claim 2, which is characterized in that the insulation control piece is pressed for self locking type bidirectional
Compress switch plate (4), the self locking type bidirectional push switch plate (4), the bottom at the both ends of the self locking type bidirectional push switch plate (4)
Face is provided with oblique angle portion (11), and first upper contact (f1), the second upper contact (f2) touch on third upper contact (f3) and the 4th
Point (f4) is disposed therein oblique angle portion (11) position, the 5th upper contact (f5), the 6th upper contact (f6), the 7th
Upper contact (f7) and the 8th upper contact (f8) are set to another oblique angle portion (11) position.
6. multiparty control circuit described in any one in -5 according to claim 1, which is characterized in that first lower contact
(e1), the second lower contact (e2), third lower contact (e3), the 4th lower contact (e4), the 5th lower contact (e5), the 6th lower contact
(e6), the 7th lower contact (e7), the 8th lower contact (e8), the first upper contact (f1), the second upper contact (f2), third upper contact
(f3), the 4th upper contact (f4), the 5th upper contact (f5), the 6th upper contact (f6), the 7th upper contact (f7) and the 8th upper contact
It (f8) is the spherical surface formed after copper sheet is raised or mesa contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555388.4A CN110246709A (en) | 2019-06-25 | 2019-06-25 | Multiparty control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555388.4A CN110246709A (en) | 2019-06-25 | 2019-06-25 | Multiparty control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110246709A true CN110246709A (en) | 2019-09-17 |
Family
ID=67889445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555388.4A Pending CN110246709A (en) | 2019-06-25 | 2019-06-25 | Multiparty control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110246709A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048619U (en) * | 1989-03-13 | 1989-11-29 | 方文清 | Multi-spot control warping plate switch |
| CN2083328U (en) * | 1991-03-09 | 1991-08-21 | 王光增 | Multi-functional switch easy to connect |
| CN2084648U (en) * | 1991-03-19 | 1991-09-11 | 张斌 | Lamp switch |
| CN2724172Y (en) * | 2004-06-01 | 2005-09-07 | 言中勇 | Contact point type multiple control switch |
| CN201285716Y (en) * | 2008-11-05 | 2009-08-05 | 汤万林 | Uni-connection multi-control switch |
-
2019
- 2019-06-25 CN CN201910555388.4A patent/CN110246709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048619U (en) * | 1989-03-13 | 1989-11-29 | 方文清 | Multi-spot control warping plate switch |
| CN2083328U (en) * | 1991-03-09 | 1991-08-21 | 王光增 | Multi-functional switch easy to connect |
| CN2084648U (en) * | 1991-03-19 | 1991-09-11 | 张斌 | Lamp switch |
| CN2724172Y (en) * | 2004-06-01 | 2005-09-07 | 言中勇 | Contact point type multiple control switch |
| CN201285716Y (en) * | 2008-11-05 | 2009-08-05 | 汤万林 | Uni-connection multi-control switch |
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Application publication date: 20190917 |