CN110632866A - Control system, control method and electronic device - Google Patents
Control system, control method and electronic device Download PDFInfo
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- CN110632866A CN110632866A CN201910649635.7A CN201910649635A CN110632866A CN 110632866 A CN110632866 A CN 110632866A CN 201910649635 A CN201910649635 A CN 201910649635A CN 110632866 A CN110632866 A CN 110632866A
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The invention belongs to the technical field of electronics, and particularly relates to a control system, a control method and electronic equipment. The control system provided by the invention comprises: the device comprises a first control module and a second control module connected with the first control module; the output end of the second control module is provided with at least one identification potential port; and the first control module reads the potential value from the identification potential port and determines the type of the second control module according to the potential value and a preset module type mapping rule. The control system, the control method and the electronic equipment provided by the invention realize the quick judgment of the specific type of the second control module so as to perform the specific selection and execution of the subsequent control logic program.
Description
Technical Field
The invention belongs to the technical field of electronics, and particularly relates to a control system, a control method and electronic equipment.
Background
With the popularization of electronic products and the improvement of the living standard of residents, the configuration requirements of people on the electronic products are more and more abundant, so manufacturers often need to provide different levels of configuration for the same type of products to meet different requirements of users.
At present, in a control system of an electronic product, for example, in a control system of a home appliance, it is common to perform cooperative control by providing a plurality of control modules connected to each other. For example, the electronic product may be controlled by providing a master control module with a programmable chip and a slave control module for performing a specific function according to an instruction from the master control module, and the master control module and the slave control module are usually connected through a standardized interface.
However, for different levels of product configurations, the master control module in the electronic product needs to connect different slave control modules, and the adaptation between the two control modules is performed manually, and the master control module itself cannot automatically determine the specific type of the connected slave control module.
Disclosure of Invention
The invention provides a control system, a control method and electronic equipment, so that the control system can quickly judge the specific type of a second control module to perform subsequent specific selection and execution of a control logic program.
In a first aspect, the present invention provides a control system comprising:
the device comprises a first control module and a second control module connected with the first control module;
the output end of the second control module is provided with at least one identification potential port;
and the first control module reads a potential value from the identification potential port and determines the type of the second control module according to the potential value and a preset module type mapping rule.
In one possible embodiment, the identification potential port is used for connection to a voltage output of a voltage divider circuit.
In one possible design, the voltage divider circuit is a resistive voltage divider circuit;
the resistance voltage division circuit comprises a first resistor and a second resistor;
the first end of the first resistor is connected with a driving power supply, the second end of the first resistor is connected with the first end of the second resistor, and the second end of the second resistor is grounded;
the voltage output end is arranged between the first resistor and the second resistor.
In one possible embodiment, a third resistor is also provided between the identification potential port and the voltage output.
In one possible design, a control chip is arranged in the first control module;
the control chip is connected with the identification potential port in the first control module through a protection current-limiting resistor, and the identification potential port in the first control module is connected with the identification potential port in the second control module.
In one possible design, the control chip performs analog-to-digital conversion on the potential value to determine the type of the second control module according to a conversion value and the preset module type mapping rule.
In one possible design, a plurality of sets of control logic programs are arranged in the first control module;
the first control module is used for determining a control logic program to be executed according to the type of the second control module and a preset program type mapping rule.
In a second aspect, the present invention further provides a control method, which is applied to a control system, where the control system includes a first control module and a second control module connected to the first control module; the method comprises the following steps:
the first control module acquires a potential value of an identification potential port of an output end of the second control module;
and the first control module determines the type of the second control module according to the potential value and a preset module type mapping rule.
In one possible design, after the first control module determines the type of the second control module according to the potential value and a preset module type mapping rule, the method includes:
and the first control module determines a control logic program to be executed according to the type of the second control module and a preset program type mapping rule, wherein a plurality of sets of control logic programs are arranged in the first control module.
In a third aspect, the present invention further provides an electronic device, including any one of the possible control systems in the first aspect.
According to the control system, the control method and the electronic device, the first control module in the control system acquires the potential value of the identification potential port in the second control module from the output port in the second output port set before sending the control instruction, and then determines the type of the second control module according to the acquired potential value and the preset module type mapping rule, so that the automatic identification of the second control module in the control system is realized, and the hardware cost of the control system is not required to be increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a control system provided in the prior art;
FIG. 2 is a schematic block diagram of a control system according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of the control system of the embodiment shown in FIG. 2;
FIG. 4 is a flow chart illustrating a control method according to an exemplary embodiment of the present invention;
FIG. 5 is a flow chart illustrating a control method according to another exemplary embodiment of the present invention;
fig. 6 is a schematic diagram illustrating an electronic device structure according to an exemplary embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a schematic configuration diagram of a control system provided in the prior art. As shown in fig. 1, in a control system of an electronic product, for example, a control system of a home appliance, it is common to perform cooperative control by providing a plurality of control modules connected to each other, for example, a first control module with a programmable chip and a second control module for executing a specific function according to an instruction sent by the first control module may be provided to control the electronic product, and the master control module and the slave control module are usually connected through a standardized interface.
With continued reference to fig. 1, in the design of electronic products, different levels of product configuration are typically configured, and therefore, it is necessary for the first control module to be configured with a plurality of designs carrying different logic control programs, including, for example, a1, a2, and A3; it is also desirable for the second control module to be configured with designs that drive different loads, including B1, B2, and B3, for example, where the first control module passes through standardized port CAAnd a standardized port C in the second control moduleBAnd (4) connecting. However, since the loads driven by the second control modules are different, the logic control programs adapted to each second control module are also very different, and therefore, the first control module and the second control module can only adopt a one-to-one design, and cannot be adapted universally, for example, a1 can only be adapted to B1, a2 can only be adapted to B2, and A3 can only be adapted to B3. However, the adaptation between the two control modules is dependent on manual work, and the first control module itself cannot automatically determine the specific type of slave second control module connected.
Optionally, the first control module may be a module with a programmable control chip and capable of executing judgment and operation, and the second control module executes a specific function only according to an instruction sent by the first control module, and does not contain a programmable chip and has no communication function.
Aiming at the problems, the first control module can quickly judge the specific type of the second control module so as to perform the subsequent specific selection and execution of the control logic program.
In electronic products, there are often two circuit modules, a class a module (including a1, a2, A3 … …) and a class B module (including B1, B2, B3 … …), whose functions are clearly divided and connected by standardized interfaces, and any one of the a module and any one of the B module may be connected with each otherThrough a standardized interface CA、CBAre connected.
FIG. 2 is a schematic block diagram of a control system according to an exemplary embodiment of the present invention. As shown in fig. 2, the control system provided in this embodiment includes: the device comprises a first control module and a second control module connected with the first control module, wherein the first control module and the second control module can be connected through a standardized port. And the first control module in the control system can acquire the potential value through different types of the connected second control modules, so that the specific type of the connected second control module is determined according to the acquired potential value and a preset module type mapping rule. In one possible design, the first control module may be a control panel of the household appliance, the second control module may be a power panel of the household appliance, and the loads connected to the second control module may be a motor, a heater, a compressor, and the like.
With continued reference to FIG. 2, the first control module A, may pass through the standardized port CAAnd a standardized port C in the second control moduleBThe connection is made. When the first control module A is connected with the second control module B1, the potential value acquired by the first control module A is a first numerical value or a first range numerical value; when the first control module A is connected with the second control module B1, the potential value acquired by the first control module A is a second value or a second range value; when the first control module a is connected to the second control module B3, the potential value acquired by the first control module a is a third value or a third range of values. As can be seen, the first control module A may determine whether the second control module B1, the second control module B2, or the third control module B3 is currently connected based on the retrieved potential values. It should be noted that, in the present embodiment, the number of types of the second control module is not limited, and the three types are only exemplified for the convenience of understanding.
Optionally, the output end of the second control module may be provided with two identification potential ports or three identification potential ports, or even a greater number of identification potential ports. It should be noted that, in this embodiment, the number of the identification potential ports in the second control module is not specifically limited, and may be specifically determined according to the configuration number of the actual product.
When the output end of the second control module can also be provided with two identification potential ports, the type of the second control module can be determined by respectively reading the potential values of the two identification potential ports and then according to the combination of the two potential values and a preset module type mapping rule.
After the control system provided in the above embodiment determines the type of the second control module of the first control module, the control logic program to be executed may also be determined according to the type of the second control module and a preset program type mapping rule, where multiple sets of control logic programs are provided in the first control module, so that the same first control module may be adapted to multiple different second control modules.
Fig. 3 is a circuit schematic of the control system in the embodiment of fig. 2. As shown in figure 3 of the drawings,
the second control module may be provided with at least one identification potential port TYPE, and after the control system provided in this embodiment is powered on, the first control module reads a potential value from the identification potential port TYPE, and determines the TYPE of the second control module according to the potential value and a preset module TYPE mapping rule.
Optionally, the above-mentioned identification potential port may be used to connect with a voltage output end of the voltage divider circuit, and then connect with different voltage divider circuits by setting different second control modules, so that the first control module may read different potential values from the identification potential port TYPE of different second control modules.
In one possible design, the voltage divider circuit may be a resistor voltage divider circuit, and the resistor voltage divider circuit includes a first resistor R1 and a second resistor R2.
Specifically, a first end of the first resistor R1 is connected to the driving power supply, a second end of the first resistor R1 is connected to a first end of the second resistor R2, a second end of the second resistor R2 is grounded, and the voltage output end is disposed between the first resistor R1 and the second resistor R2.
Furthermore, a third resistor R3 may be provided between the identification potential port and the voltage output terminal.
Optionally, a control chip is disposed in the first control module, and a P1 pin of the control chip passes through the protection current-limiting resistor RPAAnd the identification potential port in the first control module is connected with the identification potential port in the second control module.
In addition, in the first control module, a potential value identifying a potential port in the second control module is usually obtained through a control chip, and analog-to-digital conversion is performed on the potential value, so as to determine the type of the second control module according to the conversion value and a preset module type mapping rule. In addition, the control chip can also determine a control logic program to be executed according to the type of the second control module and a preset program type mapping rule, wherein a plurality of sets of control logic programs can be arranged in the control chip of the first control module.
In this embodiment, before sending the control instruction, the first control module in the control system obtains a potential value identifying a potential port in the second control module from an output port in the second output port set, and then determines the type of the second control module according to the obtained potential value and a preset module type mapping rule, thereby implementing automatic identification of the second control module in the control system without increasing the hardware cost of the control system.
In addition, after the type of the second control module is determined, the control logic program to be executed can be determined according to the type of the second control module and a preset program type mapping rule, so that universal adaptation between the first control module and the second control module in the control system is realized.
Moreover, in the prior art, even if a plurality of sets of control logic programs are reserved in the first control module, the selection of which set is to be adopted is only selected by connecting an upper computer during production or manually selecting the set on the first control module through a dial switch or other modes, and if the input is wrong, the control system cannot work normally, so that the sold product is poor, and the quality loss is caused. In addition, the existing manual method consumes the production time cost, is slow in production beat, is manually operated, has high error rate, and can cause the system to be incapable of normally running if the input is wrong. The method of writing in by using the upper computer also needs a production process and equipment, consumes the production time and cost and has slow production beat.
However, the control system provided by this embodiment can directly realize the identification of the second control system by the first control module, select a matched control logic program for control according to the identification result, and send out a corresponding control instruction, without increasing the cost, and has strong reliability, so that human errors can be avoided, and the production process is effectively optimized.
In addition, the identification process of the second control module in the above embodiment may be described in detail in combination with one possible manner:
specifically, a TYPE pin, that is, a potential identification port, may be added to a general interface of the first control module and the second control module, and different levels are established by using resistor voltage division on different second control modules, so that the programmable control chip in the first control module automatically identifies which TYPE of second control module is specifically connected to through analog-to-digital conversion.
For example, the power supply between the first control module and the second control module is completed through two pins +5V, GND in the interface, and the voltage between the two pins is 5V. Then, the voltage between the TYPE pin and the GND pin of the second control module B1 can be designed to be 1 ± 0.1V; the second control module B2 may be designed to be 2.5 + -0.1V; the second control module B3 may be designed to be 4 + -0.1V. Therefore, the chip of the first control module can be well distinguished from the second control module B1, the second control module B2 or the second control module B3 through analog-to-digital conversion, and corresponding control logic programs and instructions are further selected and adopted.
If the types of the second control modules are not particularly large in a specific product configuration plan, and the number of the second control modules can be distinguished within the range of the number of the second control modules matched by the resistance error and the analog-to-digital conversion precision, a potential value corresponding to the identification potential port and a possible potential value interval calculated through the error can be designed for each type of the second control modules, and the corresponding interval of the analog-to-digital conversion value can be calculated through the potential value interval. If the program in the first control module determines that the obtained potential value is within the range, it can be determined that it is next to a second control module uniquely corresponding to the range. Furthermore, in view of the increase in subsequent configurations, intervals may also be reserved in the allocation of potential value intervals for new second control modules that need to be added subsequently.
However, if the types of the second control modules are particularly multiple in a specific product configuration plan, and the range of distinguishing one path of analog-to-digital conversion from the existing resistance precision is exceeded, one first control module does not need to correspond to all the second control modules, that is, a plurality of first control modules may be provided. For example, including 10 second control modules (B1-B10), 3 first control modules (A1-A3) may be provided, wherein the first control module A1 corresponds to the second control modules B1-B3, the first control module A2 corresponds to the second control modules B4-B6, and the first control module A3 corresponds to the second control modules B7-B10. In the product planning, however, the second control modules of different levels, for example the highest and lowest level, are not usually assigned to the same first control module, so that a potential value detection interval can be shared for different first control modules. If a first control module needs to correspond to all second control modules or a plurality of second control modules which are not necessarily matched with the same first control module select the same potential value interval, the number and the range of the potential value intervals still exceed the identification capability, the precision of a divider resistor in a divider circuit can be improved, or in the case of surplus analog-to-digital conversion channels, one path of identification potential port is additionally added, or even multiple paths of identification potential ports can be added, so that the number identified by the second control modules is expanded.
Further, FIG. 4 is a flow chart illustrating a control method according to an exemplary embodiment of the present invention. As shown in fig. 4, the present invention further provides a control method, which is applied to the control method provided in any of the above embodiments, and specifically includes:
and step 101, controlling the system to be powered on.
And 102, the first control module acquires a potential value of an identification potential port of an output end of the second control module.
And 103, the first control module determines the type of the second control module according to the potential value and a preset module type mapping rule.
On the basis of the embodiment shown in fig. 4, fig. 5 is a flow chart illustrating a control method according to another exemplary embodiment of the present invention. As shown in fig. 5, the present invention further provides a control method, which is applied to the control method provided in any of the above embodiments, and specifically includes:
And step 203, the first control module performs analog-to-digital conversion on the potential value.
And 204, the first control module determines the type of the second control module according to the conversion value and the preset module type mapping rule.
And step 205, the first control module determines a control logic program to be executed according to the type of the second control module and a preset program type mapping rule.
Fig. 6 is a schematic diagram illustrating an electronic device structure according to an exemplary embodiment of the present invention. As shown in fig. 6, the electronic device 300 provided in the present embodiment includes: any of the embodiments above provides a control system, and the control system comprises: a first control module 301 and a second control module 302 connected to the first control module 301.
Wherein the first control module 301 passes through the standardized port CAAnd C in the second control module 302BAnd performing connection, wherein the connection can be bidirectional connection or unidirectional connection.In addition, the first control module 301 is further provided with a control chip 3012, where the control chip 3012 is configured to obtain a potential value from the identification potential port of the second control module 302, determine the type of the second control module according to the potential value and a preset module type mapping rule, and select a corresponding control logic program to implement control.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A control system, comprising: the device comprises a first control module and a second control module connected with the first control module;
the output end of the second control module is provided with at least one identification potential port;
and the first control module reads a potential value from the identification potential port and determines the type of the second control module according to the potential value and a preset module type mapping rule.
2. The control system of claim 1, wherein the identification potential port is adapted to be connected to a voltage output of a voltage divider circuit.
3. The control system of claim 2, wherein the voltage divider circuit is a resistive voltage divider circuit;
the resistance voltage division circuit comprises a first resistor and a second resistor;
the first end of the first resistor is connected with a driving power supply, the second end of the first resistor is connected with the first end of the second resistor, and the second end of the second resistor is grounded;
the voltage output end is arranged between the first resistor and the second resistor.
4. The control system of claim 3, further comprising a third resistor disposed between the identification potential port and the voltage output.
5. The control system according to any one of claims 1 to 4, wherein a control chip is arranged in the first control module;
the control chip is connected with the identification potential port in the first control module through a protection current-limiting resistor, and the identification potential port in the first control module is connected with the identification potential port in the second control module.
6. The control system of claim 5, wherein said control chip analog-to-digital converts said potential values to determine the type of said second control module based on the converted values and said preset module type mapping rules.
7. The control system of claim 6, wherein a plurality of sets of control logic programs are provided in the first control module;
the first control module is used for determining a control logic program to be executed according to the type of the second control module and a preset program type mapping rule.
8. The control method is applied to a control system, wherein the control system comprises a first control module and a second control module connected with the first control module; the method comprises the following steps:
the first control module acquires a potential value of an identification potential port of an output end of the second control module;
and the first control module determines the type of the second control module according to the potential value and a preset module type mapping rule.
9. The control method according to claim 8, comprising, after the first control module determines the type of the second control module based on the potential value and a preset module type mapping rule:
and the first control module determines a control logic program to be executed according to the type of the second control module and a preset program type mapping rule, wherein a plurality of sets of control logic programs are arranged in the first control module.
10. An electronic device, characterized in that it comprises a control system according to any one of claims 1-7.
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| CN208027116U (en) * | 2017-12-05 | 2018-10-30 | 田角峰 | Suitable for the controller of multiple types of tools and the electric tool system of a variety of applications of adaptation |
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