CN108519763B - Control circuit and apparatus control method - Google Patents
Control circuit and apparatus control method Download PDFInfo
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- CN108519763B CN108519763B CN201810289789.5A CN201810289789A CN108519763B CN 108519763 B CN108519763 B CN 108519763B CN 201810289789 A CN201810289789 A CN 201810289789A CN 108519763 B CN108519763 B CN 108519763B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4188—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by CIM planning or realisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
Control circuit provided by the invention and apparatus control method, are related to field of communication technology.Wherein, control circuit includes main equipment, first switch equipment, second switch equipment and more than two slave equipment groups by forming from equipment.The first output end of each of first switch equipment is separately connected difference from all from equipment of equipment group, and it is same from the different from equipment of equipment group from connecting between equipment and any two second output terminal that each second output terminal of second switch equipment is separately connected each one from equipment group.The data-interface of the second input terminal connection main equipment of the clock interface and second switch equipment of the first input end connection main equipment of first switch equipment, alternatively, the clock interface of the second input terminal connection main equipment of the data-interface and second switch equipment of the first input end connection main equipment of first switch equipment.The embodiment of the present invention can improve the problem that signal quality existing in the prior art is low or circuit structure is complicated.
Description
Technical field
The present invention relates to fields of communication technology, in particular to a kind of control circuit and apparatus control method.
Background technique
In the control circuit for carrying out data transmission or interacting by bus, generally comprises main equipment and multiple pass through bus
The slave equipment communicated with main equipment.For example, main equipment passes through I in existing common control circuit2The mounting of C bus is multiple from setting
It is standby, it realizes to multiple management from equipment.Through inventor the study found that in existing control circuit, main equipment with from equipment into
When the interaction of row control signal, it is easy to appear the lower situation of signal quality, or under the premise of solving the problems, such as signal quality,
It will lead to the problem of circuit structure complexity.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of control circuit and apparatus control method, to improve existing skill
The problem that signal quality present in art is low or circuit structure is complicated.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that
A kind of control circuit, comprising: main equipment, first switch equipment, second switch equipment and more than two by from setting
The slave equipment group of standby composition；
The first switch equipment includes first input end and multiple first output ends, each first output end difference
Connection is different from all from equipment of equipment group；
The second switch equipment includes the second input terminal and multiple second output terminals, each second output terminal difference
Connection each from one of equipment group from connected between second output terminal described in equipment and any two it is same from equipment group not
With from equipment；
It is connected with identical as the group number from equipment group from the number of the first output end of equipment, is connected with from equipment
Second output terminal number with have at most from the number of members of slave equipment group of equipment it is identical；
The first input end of the first switch equipment connects the clock interface of the main equipment and the second switch is set
The second standby input terminal connects the data-interface of the main equipment；Or
The first input end of the first switch equipment connects the data-interface of the main equipment and the second switch is set
The second standby input terminal connects the clock interface of the main equipment.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, each from equipment include clock port and
Data port；
When the first input end of the first switch equipment connects the clock interface of the main equipment and the second switch
When second input terminal of equipment connects the data-interface of the main equipment, each first output end is separately connected different from setting
All clock ports from equipment of standby group, each second output terminal are separately connected each one from equipment group from equipment
Data port and any two described in the same different data port from equipment from equipment group are connected between second output terminal；
When the first input end of the first switch equipment connects the data-interface of the main equipment and the second switch
When second input terminal of equipment connects the clock interface of the main equipment, each first output end is separately connected different from setting
All data port from equipment of standby group, each second output terminal are separately connected each one from equipment group from equipment
Clock port and any two described in the same different clock ports from equipment from equipment group are connected between second output terminal.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, the first switch equipment includes one
Multiway analog switch, the input terminal of the multiway analog switch is as the first input end, multiple output ends respectively as described
First output end.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, the first switch equipment includes two
There is the analog switch of at least two output ends above, the input terminal of each analog switch is connected together as first input
End, each output end are respectively as first output end.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, the second switch equipment includes one
Multiway analog switch, the input terminal of the multiway analog switch is as second input terminal, multiple output ends respectively as described
Second output terminal.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, the second switch equipment includes two
There is the analog switch of at least two output ends above, the input terminal of each analog switch is connected together as second input
End, each output end are respectively as two output end.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, further includes:
Communication bus, the communication bus include the clock line connecting with the clock interface and connect with the data-interface
Data line；
When the first input end of the first switch equipment connects the clock interface of the main equipment and the second switch
When second input terminal of equipment connects the data-interface of the main equipment, the first input end is connect with the clock line, institute
The second input terminal is stated to connect with the data line；
When the first input end of the first switch equipment connects the data-interface of the main equipment and the second switch
When second input terminal of equipment connects the clock interface of the main equipment, the first input end is connect with the data line, institute
The second input terminal is stated to connect with the clock line.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, the communication bus includes I2C bus or
SMI bus.
In the embodiment of the present invention preferably selects, in above-mentioned control circuit, further includes:
Equipment is controlled, the output end of the control equipment is set with the control terminal of the first switch equipment and the second switch
Standby control terminal is separately connected, to control the first switch equipment and the second switch equipment.
The embodiment of the present invention also provides a kind of apparatus control method, comprising:
One main equipment, a first switch equipment, a second switch equipment and more than two by forming from equipment are provided
From equipment group, wherein the first switch equipment includes first input end and multiple first output ends, the second switch equipment
Including the second input terminal and multiple second output terminals；
Each first output end is separately connected difference from all from equipment of equipment group, and by each described second
Output end be separately connected each one from equipment group from connected between second output terminal described in equipment and any two it is same from
Equipment group it is different from equipment, wherein be connected with the number and the group number from equipment group from the first output end of equipment
It is identical, be connected with from the number of the second output terminal of equipment with have at most from the number of members of slave equipment group of equipment it is identical；
By the first input end of the first switch equipment connect the main equipment clock interface and the second switch
Second input terminal of equipment connects the data-interface of the main equipment；Or the first input end of the first switch equipment is connected
The second input terminal for connecing the data-interface of the main equipment and the second switch equipment connects the clock interface of the main equipment；
The main equipment issues control signal by the first switch equipment and the second switch equipment respectively, makes it
In one communicate from the foundation of equipment and the main equipment, realization is to the control from equipment.
Control circuit provided by the invention and apparatus control method pass through each first output end of first switch equipment and
Each second output terminal of two switchgears is respectively cooperating with, to carry out respectively to main equipment and respectively from the circuit pathways between equipment
Control, so that it is more from equipment to guarantee that main equipment can be controlled with less switchgear, and then to improve in the prior art
The low problem of signal quality existing for due to being directly based upon main equipment address and being controlled is controlled respectively because passing through each switchgear
It makes and corresponding there is a problem of that circuit structure is complicated from equipment.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the circuit diagram that main equipment controls from equipment in the prior art.
Fig. 2 is another circuit diagram that main equipment controls from equipment in the prior art.
Fig. 3 is the circuit diagram of control circuit provided in an embodiment of the present invention.
Fig. 4 is another circuit diagram of control circuit provided in an embodiment of the present invention.
Fig. 5 is another circuit diagram of control circuit provided in an embodiment of the present invention.
Fig. 6 is the circuit theory provided in an embodiment of the present invention that first switch equipment is made of two two path analoging switch
Figure.
Fig. 7 is the connection block diagram of control equipment and switchgear provided in an embodiment of the present invention.
Fig. 8 is the structural schematic diagram of communication equipment provided in an embodiment of the present invention.
Icon: 10- communication equipment；100- control circuit；110- main equipment；SCL- clock interface；SDA- data-interface；
130- first switch equipment；150- second switch equipment；171- first is from equipment group；173- second is from equipment group；175- third
From equipment group；177- the 4th is from equipment group；SCL20/SCL21/SCL22/SCL23- clock port；SDA20/SDA21/SDA22/
SDA23- data port；190- controls equipment；200- circuit board.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiments of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and should not be understood as only or imply opposite
Importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Fig. 1 and Fig. 2 is that main equipment passes through circuit diagram of the bus marco from equipment in the prior art.
In circuit shown in Fig. 1, the control interface of main equipment is connect with communication bus, and respectively logical with this respectively from equipment
Believe bus connection.Different device addresses can be respectively set, from equipment respectively to respond the signal of transmission.This
It, can be because of main equipment when more from equipment due to needing that different device addresses is arranged from equipment to each in control mode
Processing capacity it is limited and there is a problem of that signal quality is lower, and problem low there is also scalability in practical applications.
In circuit shown in Fig. 2, main equipment and respectively between equipment according to from the quantity of equipment setting it is multiple simulation open
It closes, to realize to the one-to-one control from equipment.In this control mode, simulation will lead to when the quantity from equipment is more
The usage amount of switch is also more, while leading to the increased costs of control circuit, there is also circuit trace or complicated asks
Topic.
In conclusion inventor it has been investigated that, in existing bus control circuit, if by device address to respectively from
Equipment is controlled, and there are the low problems of signal quality.If carrying out one-to-one control to from equipment by analog switch, need to make
Number of switches is more, leads to increased costs, while there is also circuit trace or the problem of structure is complicated.
To solve the above problems, as shown in Figure 3 and Figure 4, the embodiment of the invention provides a kind of control circuits 100, are changing
It is apt to circuit trace existing in the prior art or while the problem of structure is complicated, moreover it is possible to guarantee signal quality with higher.
In detail, control circuit 100 may include main equipment 110, first switch equipment 130, second switch equipment 150 and it is multiple from
Equipment.
Wherein, main equipment 110 includes clock interface SCL and data-interface SDA, includes clock port and data terminal from equipment
Mouthful, first switch equipment 130 includes first input end and multiple first output ends, and second switch equipment 150 includes the second input
End and multiple second output terminals.
In the present embodiment, multiple to be divided into from equipment more than two from equipment group, each it can wrap from equipment group
At least one is included from equipment.It is understood that being merely for convenience of retouching by distinguishing to multiple from equipment from equipment group
State, but should not be understood as respectively between equipment or respectively from having certain restriction relation between equipment group, for example, position it is corresponding or
Connection relationship etc..Also, in the present embodiment, " two or more " refers to two or more.
For example, multiple can be distributed from equipment in matrix, in this way, can by same row it is each belong to from equipment it is same
Group is also possible to each of same a line belonging to same group from equipment.In another example multiple can be according to a direction line from equipment
Property distribution, in this way, can carry out being also possible to random division from the division of equipment group according to neighbouring relations.
Further, in the present embodiment, each first output end is separately connected different from all from equipment of equipment group.
It is same from connecting between equipment and any two second output terminal that each second output terminal is separately connected each one from equipment group
One from the different from equipment of equipment group.
Wherein, can be controlled respectively to each equipment group by each first output end of first switch equipment 130
System, the number of the first output end can be greater than or equal to the number from equipment group.In actual use, it is connected with first from equipment
The number of output end is identical as the group number from equipment group.For can be right by each second output terminal of second switch equipment 150
It is respectively controlled from each of equipment group from equipment, the number of second output terminal, which can be greater than or equal to, to be had at most from setting
The number of members of standby slave equipment group, in actual use, be connected with from the number of the second output terminal of equipment with have at most from
The number of members of the slave equipment group of equipment is identical.
Optionally, each second output terminal of each first output end of first switch equipment 130 and second switch equipment 150 with
It is respectively unrestricted from the connection type of the clock port of equipment and data port.For example, it may be each first output end with respectively from
The clock port of equipment connects, each second output terminal with respectively connect from the data port of equipment, be also possible to each first output end
With respectively connect from the data port of equipment, each second output terminal with respectively connect from the clock port of equipment.
Accordingly, for above-mentioned different connection type, the first input end and second switch of first switch equipment 130 are set
The connection type of standby 150 the second input terminal and the clock interface SCL and data-interface SDA of main equipment 110 can also be different
Set-up mode, for example, it may be first switch equipment 130 first input end connection main equipment 110 clock interface SCL and
The data-interface SDA of the second input terminal connection main equipment 110 of second switch equipment 150, is also possible to first switch equipment 130
First input end connection main equipment 110 data-interface SDA and second switch equipment 150 the second input terminal connect main equipment
110 clock interface SCL.
Wherein, in a kind of example, the clock interface of the first input end connection main equipment 110 of first switch equipment 130
The data-interface SDA of SCL and the second input terminal of second switch equipment 150 connection main equipment 110.Each first output end difference
The different all clock ports from equipment from equipment group of connection, each second output terminal is separately connected each from the one of equipment group
The same different data from equipment from equipment group are connected between a data port and any two second output terminal from equipment
Port.
In another feasible example, the data of the first input end connection main equipment 110 of first switch equipment 130 are connect
The clock interface SCL of mouth SDA and the second input terminal of second switch equipment 150 connection main equipment 110, each first output end point
Not Lian Jie different all data port from equipment from equipment group, each second output terminal is separately connected each from equipment group
Connected between one clock port and any two second output terminal from equipment it is same from equipment group it is different from equipment when
Clock port.
Optionally, the quantity of the first output end and second output terminal is unrestricted, for example, may include, but is not limited to
Two, three, four ..., eight etc., be configured according to the quantity of the slave equipment controlled in practical application
?.The quantity of first output end and second output terminal can be identical, be also possible to different.In the present embodiment, with
First switch equipment 130 include four the first output ends, second switch equipment 150 include four second output terminals, it is multiple from setting
Standby composition four includes four for equipment from equipment group, each from equipment group, is illustrated respectively to above two example.
In detail, join shown in Fig. 3, in a kind of example, four the first output ends of first switch equipment 130 are respectively
SCL10, SCL11, SCL12, SCL13, four from equipment group be respectively first from equipment group 171, second from equipment group 173,
Three from equipment group 175 and the 4th from equipment group 177.Wherein, SCL10 and first is from each of equipment group 171 from equipment
Clock port SCL20 connection, SCL11 are connect with the second clock port SCL21 from each of equipment group 173 from equipment,
The clock port SCL22 connection of SCL12 and third from each of equipment group 175 from equipment, SCL13 and the 4th is from equipment group
Each of 177 from the clock port SCL23 connection of equipment.
Four second output terminals of second switch equipment 150 are respectively SDA10, SDA11, SDA12, SDA13.Wherein,
Data port SDA20 of the SDA10 and first from first in equipment group 171 from equipment 171-1, second are from equipment group 173
First from the data port SDA20 of equipment 173-1, third from first data from equipment 175-1 in equipment group 175
Port SDA20 and the 4th is separately connected from first in equipment group 177 from the data port SDA20 of equipment 177-1.
Data port SDA21 of the SDA11 and first from second in equipment group 171 from equipment 171-2, second are from equipment group 173
Second from the data port SDA21 of equipment 173-2, third from second data from equipment 175-2 in equipment group 175
Port SDA21 and the 4th is separately connected from second in equipment group 177 from the data port SDA21 of equipment 177-2.
Wherein, the connection type of SDA12 and each data port SDA22, SDA13 and each data port SDA23 connection side
Formula please refers to the connection type of SDA10 Yu each data port SDA20, and this is no longer going to repeat them.
In above-mentioned setting, it can be realized by two switchgears to the more control from equipment.For example, being set in master
Standby 110 when needing to control first from first of equipment group 171 from equipment, can pass through the first defeated of first switch equipment 130
Outlet SCL10 passes through the second of second switch equipment 150 to first from each from equipment tranmitting data register signal of equipment group 171
Output end sends data-signal to each from first in equipment group from equipment.In this way, due to only having first from equipment group
First of 171 can receive clock signal and data-signal from equipment 171-1 simultaneously, other when can only receive from equipment
The one of which of clock signal and data-signal.In this way, can be realized to first from first in equipment group 171 from equipment 171-
1 is precisely controlled.
Wherein, the manufacturing cost of control circuit 100 can be reduced using small number of switchgear.Also, due to opening
The usage quantity for closing equipment is reduced, and can also be reduced the cabling quantity between switchgear and main equipment 110, further be reduced
The manufacturing cost of control circuit 100.
Join Fig. 4 shown in, in another example, four the first output ends of first switch equipment 130 be respectively SDA10,
SDA11,SDA12,SDA13.Wherein, data port SDA20 of the SDA10 and first from each of equipment group 171 from equipment connects
It connects, SDA11 is connect with the second data port SDA21 from each of equipment group 173 from equipment, and SDA12 and third are from equipment
Group each of 175 is from the data port SDA22 connections of equipment, and SDA13 and the 4th is from each of equipment group 177 from equipment
Data port SDA23 connection.
Further, four second output terminals of second switch equipment 150 be respectively SCL10, SCL11, SCL12,
SCL13.Wherein, clock port SCL20 of the SCL10 and first from first in equipment group 171 from equipment 171-1, second from
First in equipment group 173 from the clock port SCL20 of equipment 173-1, third from first in equipment group 175 from equipment
Clock port SCL20 of the clock port SCL20 and the 4th of 175-1 from first in equipment group 177 from equipment 177-1 points
It does not connect.Clock port SCL21 of the SCL11 and first from second in equipment group 171 from equipment 171-2, second are from equipment
Second in group 173 from the clock port SCL21 of equipment 173-2, third from second in equipment group 175 from equipment 175-
2 clock port SCL21 and the 4th connects respectively from second in equipment group 177 from the clock port SCL21 of equipment 177-2
It connects.
Wherein, the connection type of SCL12 and each clock port SCL22, SCL13 and each clock port SCL23 connection side
Formula please refers to the connection type of SCL10 Yu each clock port SCL20, and this is no longer going to repeat them.
Optionally, in above two connection type, the quantity for the slave equipment for respectively including from equipment group is also possible to difference
, it can be configured according to the quantity of the slave equipment in practical application.In the present embodiment, in conjunction with Fig. 5, with multiple from equipment
Three can be formed to be illustrated connection type shown in Fig. 3 for equipment group from number of devices is different.
Wherein, three from equipment group can be respectively first from equipment group 171, second from equipment group 173 and third from
Equipment group 175.First from equipment group 171 may include four from equipment, second from equipment group 173 may include three from setting
It is standby, third from equipment group 175 may include two from equipment.
First switch equipment 130 may include three the first output ends, respectively SCL10, SCL11, SCL12.SCL10 with
The first clock port SCL20 connection from each of equipment group 171 from equipment, SCL11 is with second from every in equipment group 173
A clock port SCL21 connection from equipment, the clock port of SCL12 and third from each of equipment group 175 from equipment
SCL22 connection.
Second switch equipment 150 may include four second output terminals, respectively SDA10, SDA11, SDA12, SDA13.
Wherein, data port SDA20 of the SDA10 and first from first in equipment group 171 from equipment 171-1, second are from equipment group
First in 173 from the data port SDA20 of equipment 173-1 and third from first in equipment group 175 from equipment
The data port SDA20 of 175-1 is separately connected.SDA11 and first is from second number from equipment 171-2 in equipment group 171
Data port SDA21 and third according to port SDA21, second from second in equipment group 173 from equipment 173-2 are from equipment
Second in group 175 is separately connected from the data port SDA21 of equipment 175-2.SDA12 and first is from equipment group 171
Data of a data port SDA22 and second from equipment 171-3 of third from the third in equipment group 173 from equipment 173-3
Port SDA22 is separately connected.SDA12 and first is from the 4th data port SDA23 from equipment 171-4 in equipment group 171
Connection.
Optionally, multiple first output ends of first switch equipment 130 are either by the more of multiway analog switch
A output end is formed, and is also possible to be combined by the output end of more than two analog switches and is formed.For example, in first switch equipment
130 include four the first output ends when, either being formed by the output end of four path analoging switch, be also possible to by two
The output end of two path analoging switch combines to be formed.In another example when first switch equipment 130 includes eight the first output ends, it can
It is formed with the output end by eight path analoging switch, can also be combined and be formed by the output end of two four path analoging switch, also
It can be to be combined by the output end of four two path analoging switch and be formed.
That is, the output end of the quantity for the analog switch that first switch equipment 130 includes and each analog switch
Quantity is unrestricted, can be configured according to practical application request, for example, can according to walk Wiring technology, manufacturing cost and
The quantity for the slave equipment for needing to control is configured.
Wherein, when first switch equipment 130 includes more than two analog switches at least two output ends, each mould
The input terminal of quasi- switch is connected together as first input end, each output end respectively as the first output end.In conjunction with Fig. 6,
In the present embodiment, carried out so that two two path analoging switch are constituted the first switch equipment 130 including four the first output ends as an example
Explanation.
For example, can using two output ends of two path analoging switch as first output end SCL10, SCL11,
Using two output ends of another two path analoging switch as first output end SCL12, SCL13, and two two-way moulds
The input terminal of quasi- switch is connect after linking together with the clock interface SCL of main equipment 110.
Similarly, multiple first output ends of second switch equipment 150 are either by the multiple of multiway analog switch
Output end is formed, and is also possible to be provided jointly by multiple output ends of more than two multiway analog switches.For example, being opened second
When to close equipment 150 include four the first output ends, four the first output ends are either by four of four path analoging switch
Output end is formed, and is also possible to be combined by two output ends of two two path analoging switch and is formed.
That is, the output end of the quantity for the analog switch that second switch equipment 150 includes and each analog switch
Quantity is unrestricted, can be configured according to practical application request, for example, can according to walk Wiring technology, manufacturing cost and
The quantity for the slave equipment for needing to control is configured.
Further, in the present embodiment, control circuit 100 can also include communication bus, with connect main equipment 110 with
First switch equipment 130 and second switch equipment 150.
Wherein, communication bus includes clock line and data line.Clock line is used to connect the clock interface SCL of main equipment 110,
To transmit clock signal.Data line is used to connect the data-interface SDA of main equipment 110, to transmit data-signal.
Optionally, first switch equipment 130 and second switch equipment 150 and the connection type of clock line and data line not by
Limitation, can be configured according to practical application request.For example, the first input end in first switch equipment 130 needs to connect
The data that the clock interface SCL of main equipment 110 and the second input terminal of second switch equipment 150 need to connect main equipment 110 connect
When mouth SDA, first input end can be connect with clock line, and the second input terminal can be connect with data line.
In another example first switch equipment 130 first input end need to connect main equipment 110 data-interface SDA and
When second input terminal of second switch equipment 150 needs to connect the clock interface SCL of main equipment 110, first input end can be with
Data line connection, the second input terminal can be connect with clock line
Optionally, the type of communication bus is unrestricted, not according to main equipment 110 and from the communication mode between equipment
Together, there can be different selections, for example, may include, but be not limited to I2C bus or SMI bus.
In conjunction with Fig. 7, in the present embodiment, control circuit 100 can also include control equipment 190, to control first switch
Equipment 130 and second switch equipment 150, and then control main equipment 110 and transmitted from the signal between equipment.In addition, control is set
Standby 190 setting form is unrestricted, either the single-chip microcontroller being separately provided, programmable logic controller (PLC) etc., are also possible to
It is built in the chips or control device with control ability such as processor, the controller in the equipment using control circuit 100.
Wherein, the output end of equipment 190 and the control terminal of first switch equipment 130 and second switch equipment 150 are controlled
Control terminal is separately connected, to control first switch equipment 130 and second switch equipment 150.
The embodiment of the present invention also provides a kind of apparatus control method, and this method is described in detail as follows.
There is provided a main equipment 110 as shown in Figures 3 to 5, a first switch equipment 130, a second switch equipment 150,
And more than two slave equipment groups by being formed from equipment, wherein first switch equipment 130 includes first input end and multiple the
One output end, second switch equipment 150 include the second input terminal and multiple second output terminals.About the detailed interior of above-mentioned each equipment
Hold, the narration of above-described embodiment can be joined, details are not described herein again；
Each first output end is separately connected difference from all from equipment of equipment group, and each second output terminal is divided
It does not connect each from one of equipment group from connecting the same difference from equipment group between equipment and any two second output terminal
From equipment, wherein the number being connected with from the first output end of equipment is identical as the group number from equipment group, is connected with from equipment
Second output terminal number with have at most from the number of members of slave equipment group of equipment it is identical；
By the clock interface SCL and second switch equipment of the first input end connection main equipment 110 of first switch equipment 130
The data-interface SDA of 150 the second input terminal connection main equipment 110；Or the first input end of first switch equipment 130 is connected
Connect the clock interface of the second input terminal connection main equipment 110 of the data-interface SDA of main equipment 110 and second switch equipment 150
SCL；
Main equipment 110 issues control signal by first switch equipment 130 and second switch equipment 150 respectively, makes wherein
One communicates from equipment with the foundation of main equipment 110, realizes the control to this from equipment.
In detail, the control signal may include clock signal and data-signal.In a kind of example, main equipment 110
Can by first output end of first switch equipment 130 thereto one from all from equipment tranmitting data register of equipment group
Signal, and number is sent to each one from equipment group from equipment by a second output terminal of second switch equipment 150
It is believed that number.In another feasible example, main equipment 110 can pass through first output end of first switch equipment 130
One sends data-signal from equipment from all of equipment group thereto, and second defeated by one of second switch equipment 150
Outlet is to each one from equipment group from equipment tranmitting data register signal.
By above two method, can allow respectively from the device only one received simultaneously from equipment clock letter
Number and data-signal, other one of which that clock signal and data-signal can only be received from equipment, in this way, can be realized pair
Respectively from being precisely controlled from equipment in equipment group.
In conjunction with Fig. 8, the embodiment of the present invention can also provide a kind of communication equipment 10, including control circuit 100 and circuit board
200.Wherein, control circuit 100 is set to circuit board 200.In view of communication equipment 10 includes control circuit 100, communication equipment
10 technical characteristics whole with control circuit 100, and can solve identical technical problem, reach identical technical effect.Cause
This, this is no longer going to repeat them for the particular technique feature of communication equipment 10, the detailed solution incorporated by reference to above to control circuit 100
Release explanation.
Optionally, the type of communication equipment 10 is unrestricted, may include, but is not limited to mobile phone, tablet computer, personal meter
Calculation machine etc. is including main equipment 110 and from equipment and needs to set in main equipment 110 and from the electronics for carrying out signal transmission between equipment
It is standby.
To sum up, control circuit 100 provided by the invention and apparatus control method pass through each the of first switch equipment 130
The cooperation of each second output terminal of one output end and second switch equipment 150, to main equipment 110 and respectively from the electricity between equipment
Road access is respectively controlled, so that it is more from equipment to guarantee that main equipment 110 can be controlled with small number of switchgear,
And then improve in the prior art due to being directly based upon 110 address of main equipment and being controlled existing for the low problem of signal quality or because
Being controlled respectively by each switchgear corresponding has that circuit structure is complicated from equipment.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control circuit characterized by comprising main equipment, first switch equipment, second switch equipment and two
Slave equipment group by being formed from equipment above；
The first switch equipment includes first input end and multiple first output ends, and each first output end is separately connected
Difference is from all from equipment of equipment group；
The second switch equipment includes the second input terminal and multiple second output terminals, and each second output terminal is separately connected
Each from one of equipment group from connected between second output terminal described in equipment and any two it is same from equipment group it is different from
Equipment；
It is connected with identical as the group number from equipment group from the number of the first output end of equipment, is connected with from equipment
The number of two output ends with have at most from the number of members of slave equipment group of equipment it is identical；
The first input end of the first switch equipment connects the clock interface of the main equipment and the second switch equipment
Second input terminal connects the data-interface of the main equipment；Or
The first input end of the first switch equipment connects the data-interface of the main equipment and the second switch equipment
Second input terminal connects the clock interface of the main equipment.
2. control circuit according to claim 1, which is characterized in that include each clock port and data terminal from equipment
Mouthful；
When the first input end of the first switch equipment connects the clock interface of the main equipment and the second switch equipment
The second input terminal when connecting the data-interface of the main equipment, each first output end is separately connected different from equipment group
All clock ports from equipment, each second output terminal is separately connected each number from equipment from equipment group
According to connecting the same different data port from equipment from equipment group between second output terminal described in port and any two；
When the first input end of the first switch equipment connects the data-interface of the main equipment and the second switch equipment
The second input terminal when connecting the clock interface of the main equipment, each first output end is separately connected different from equipment group
All data port from equipment, each second output terminal be separately connected each one from equipment group from equipment when
The same different clock ports from equipment from equipment group are connected between second output terminal described in clock port and any two.
3. control circuit according to claim 1, which is characterized in that the first switch equipment includes a multi-channel analog
Switch, the input terminal of the multiway analog switch is as the first input end, multiple output ends respectively as first output
End.
4. control circuit according to claim 1, which is characterized in that the first switch equipment has including two or more
The analog switch of at least two output ends, the input terminal of each analog switch are connected together as the first input end, each defeated
Outlet is respectively as first output end.
5. control circuit according to any one of claims 1-4, which is characterized in that the second switch equipment includes one
A multiway analog switch, the input terminal of the multiway analog switch is as second input terminal, multiple output ends respectively as institute
State second output terminal.
6. control circuit according to any one of claims 1-4, which is characterized in that the second switch equipment includes two
A above analog switch at least two output ends, it is defeated that the input terminal of each analog switch is connected together as described second
Enter end, each output end respectively as the second output terminal.
7. control circuit according to any one of claims 1-4, which is characterized in that further include:
Communication bus, the communication bus include the clock line connecting with the clock interface and the number that connect with the data-interface
According to line；
When the first input end of the first switch equipment connects the clock interface of the main equipment and the second switch equipment
The second input terminal when connecting the data-interface of the main equipment, the first input end is connect with the clock line, described
Two input terminals are connect with the data line；
When the first input end of the first switch equipment connects the data-interface of the main equipment and the second switch equipment
The second input terminal when connecting the clock interface of the main equipment, the first input end is connect with the data line, described
Two input terminals are connect with the clock line.
8. control circuit according to claim 7, which is characterized in that the communication bus includes I2C bus or SMI bus.
9. control circuit according to any one of claims 1-4, which is characterized in that further include:
Equipment is controlled, the control terminal and the second switch equipment of the output end of the control equipment and the first switch equipment
Control terminal is separately connected, to control the first switch equipment and the second switch equipment.
10. a kind of apparatus control method characterized by comprising
One main equipment, a first switch equipment, a second switch equipment and more than two by being formed from equipment from setting are provided
Standby group, wherein the first switch equipment includes first input end and multiple first output ends, and the second switch equipment includes
Second input terminal and multiple second output terminals；
Each first output end is separately connected difference from all from equipment of equipment group, and each described second is exported
It is same from equipment from connecting between second output terminal described in equipment and any two that end is separately connected each one from equipment group
Group it is different from equipment, wherein be connected with it is identical as the group number from equipment group from the number of the first output end of equipment,
Be connected with from the number of the second output terminal of equipment with have at most from the number of members of slave equipment group of equipment it is identical；
By the first input end of the first switch equipment connect the main equipment clock interface and the second switch equipment
The second input terminal connect the data-interface of the main equipment；Or the first input end of the first switch equipment is connected into institute
The second input terminal for stating the data-interface of main equipment and the second switch equipment connects the clock interface of the main equipment；
The main equipment issues control signal by the first switch equipment and the second switch equipment respectively, makes wherein one
It is a to be communicated from equipment with main equipment foundation, realize the control to this from equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289789.5A CN108519763B (en) | 2018-03-30 | 2018-03-30 | Control circuit and apparatus control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289789.5A CN108519763B (en) | 2018-03-30 | 2018-03-30 | Control circuit and apparatus control method |
Publications (2)
| Publication Number | Publication Date |
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| CN108519763A CN108519763A (en) | 2018-09-11 |
| CN108519763B true CN108519763B (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289789.5A Active CN108519763B (en) | 2018-03-30 | 2018-03-30 | Control circuit and apparatus control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109086242B (en) * | 2018-09-20 | 2021-09-17 | 郑州云海信息技术有限公司 | Communication system and method |
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|---|---|---|---|---|
| CN201374060Y (en) * | 2008-12-16 | 2009-12-30 | 康佳集团股份有限公司 | IIC bus expanded system structure |
| CN102801686A (en) * | 2011-05-23 | 2012-11-28 | 华为终端有限公司 | Equipment control method, main equipment, secondary equipment as well as main-secondary equipment group |
| CN203480293U (en) * | 2013-09-15 | 2014-03-12 | 中国船舶重工集团公司第七一二研究所 | Intelligent I<2>C bus identification controlling apparatus |
| CN104636303A (en) * | 2015-03-09 | 2015-05-20 | 联想(北京)有限公司 | Bus control method, electronic equipment and bus system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374060Y (en) * | 2008-12-16 | 2009-12-30 | 康佳集团股份有限公司 | IIC bus expanded system structure |
| CN102801686A (en) * | 2011-05-23 | 2012-11-28 | 华为终端有限公司 | Equipment control method, main equipment, secondary equipment as well as main-secondary equipment group |
| CN203480293U (en) * | 2013-09-15 | 2014-03-12 | 中国船舶重工集团公司第七一二研究所 | Intelligent I<2>C bus identification controlling apparatus |
| CN104636303A (en) * | 2015-03-09 | 2015-05-20 | 联想(北京)有限公司 | Bus control method, electronic equipment and bus system |
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| Publication number | Publication date |
|---|---|
| CN108519763A (en) | 2018-09-11 |
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