CN116804863B - Method for freely switching output functions and controller device - Google Patents
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- 238000001035 drying Methods 0.000 description 9
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Abstract
The invention relates to a method for freely switching output functions and a controller device, and belongs to the technical field of integrated circuits and controllers. The method comprises the following steps: s1, defining control parameters of multiple paths of power output devices of a controller, namely defining F1-Fm parameters, wherein the parameters correspond to the control parameters of m paths of power output devices respectively; s2, confirming the F1-Fm parameter range, wherein the numerical value range set by each control parameter of F1-Fm is 0-n; s3, expanding the F1-Fm parameter range: the function output quantity of the power output device is expanded according to the requirement, namely n can be continuously expanded. The method and the device provided by the invention can ensure that the power output of each path of the controller is not fixed and determined, but the required functional output can be selected manually and freely, thereby greatly facilitating after-sales service, instrument research and development and software management of the controller.
Description
Technical Field
The invention belongs to the technical field of integrated circuits and controllers, and relates to a method for freely switching output functions and a controller device.
Background
The output device of the controller is generally a general power relay or an electromagnetic valve or a solid state relay, and the output device is a switch controlled by small current, namely a device controlled by large current by small current. Currently, these devices are widely used in automatic control circuits, such as the output of controllers for most laboratory instruments, medical instruments, environmental test instruments, etc., using a common power relay or solenoid valve or solid state relay.
Currently, in the design of the controller, a general power relay or an electromagnetic valve or a solid state relay is used, wherein most of the output is output with a fixed function, for example, the power relay output 1 is output of a circulating high-speed fan, the power relay output 2 is illumination output, the power relay output 3 is ultraviolet sterilization data, and the power relay output 4 is refrigeration output. Because the functions of the power relay output devices are all fixed, the power relay is damaged, and a controller is required to be replaced, so that after-sales service is not facilitated. In addition, from the point of research and development of instruments, special function usage of some power relays is needed, so that software programs need to be modified, a special function output corresponds to one software program and cannot be flexibly used, research and development of nonstandard products are not facilitated, production and customization are not facilitated, and software management cost of a controller is increased virtually.
Therefore, in view of the above state of the art, there is an urgent need to design a method that enables the power output of each path of the controller, not the fixed determined output, to be manually and freely selected from the required functional outputs, so as to greatly facilitate after-sales service, instrument research and development, and software management of the controller.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method for freely switching output functions and a controller device, wherein the method can realize a flexible freely switching output function for multiple power outputs through software, and the controller device can realize a freely switching multiple power output function.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method of freely switching output functions, the method comprising the steps of:
s1, defining control parameters of a plurality of paths of power output devices of a controller, namely defining F1-Fm parameters, wherein the parameters correspond to the control parameters of m paths of power output devices respectively, if the controller has 8 paths of power output devices, m=8 is equivalent to defining 8 paths of control parameters, namely F1, F2 … … F8 and F1 represent the control parameters of the 1 st path of power output devices respectively, F2 represents the control parameters of the 2 nd path of power output devices, and the like, F8 represents the control parameters of the 8 th path of power output devices, namely m represents the control parameters of the m paths of power output devices;
s2, confirming the F1-Fm parameter range, wherein the numerical value range set by each control parameter of F1-Fm is 0-n; a value of 0 defines the function 1 output of the power output device, a value of 1 defines the function 2 output of the power output device, a value of 2 defines the function 3 output of the power output device, and so on, a value of n defines the function n+1 output of the power output device;
s3, expanding the range of F1-Fm parameter values: the function output quantity of the power output device is expanded according to the requirement, namely n can be continuously expanded; for example, the existing power output device has a function output n of 47, but a new instrument item is provided, and 48 function outputs can not meet the requirements, at the moment, a new function output needs to be defined again, the software is upgraded, n is changed to 48, and the new function writing program is defined as a function 49 output;
and S4, realizing a free switching multipath power output function by setting software parameters F1-Fm, namely realizing m (n+1) kinds of function output combinations, for example, m=9 and n=48, and realizing 9×49=441 kinds of function output combinations by setting parameters.
Further, in step S4, the method specifically includes the following steps:
firstly, reading the value of the F1 parameter, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to a first path of I/O port of a CPU control chip, wherein the first path of I/O port controls the opening or closing of a first path of power output device.
And reading the value of the F2 parameter, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to a second path of I/O port of the CPU control chip, wherein the second path of I/O port controls the opening or closing of a second path of power output device.
And the like, until the value of the Fm parameter is read finally, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to an mth path I/O port of the CPU control chip, wherein the mth path I/O port controls the opening or closing of an mth path power output device.
The controller device for freely switching output functions consists of an m-way general power relay output circuit and F1-Fm parameters for controlling the m-way general power relay output circuit; the m-path general power relay output circuit is mainly used for executing function output; the m-path general power relay output circuit consists of an IO port of a single-chip microcontroller, a photoelectric coupler, triode current amplification and a 12V general power relay, wherein m is the number of general power relay output circuits required by the functions of a controller device.
The invention has the beneficial effects that:
1) By adopting the technical scheme of the invention, if a certain path of power output fails on the application site, the controller is not required to be replaced, the standby power output function is only required to be set to be consistent with the damaged path of power output function, and the wiring is replaced, so that the after-sale maintenance is very convenient, and even a user can solve the problem on site through telephone or video guidance.
2) The technical scheme of the invention generalizes the software of the controller device, and different power output applications only need to switch the power output function to be consistent with the application, and the software is not required to be modified. If the existing software can not meet the application requirement of the output function, only the software is needed to be upgraded, and the required function output can be expanded all the time.
3) A standardized table of power output functions, different controller means, the functional definition of power output being consistent. This is very beneficial to the use of after-sales service personnel and instrument research and development personnel, and only one standard power output is needed to freely switch the manual comparison table.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a flow chart of a multi-path power output free switching software implementation;
FIG. 2 is a flow chart of a software implementation of controlling a function output function according to parameter value delivery;
FIG. 3 is a circuit diagram of a multi-way universal power output relay;
FIG. 4 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 4, the method for freely switching output functions provided by the present invention specifically includes the following steps:
s1, defining control parameters of a plurality of paths of power output devices of a controller, namely defining F1-Fm parameters, wherein the parameters correspond to the control parameters of m paths of power output devices respectively, if the controller has 8 paths of power output devices, m=8 is equivalent to defining 8 paths of control parameters, namely F1, F2 … … F8 and F1 represent the control parameters of the 1 st path of power output devices respectively, F2 represents the control parameters of the 2 nd path of power output devices, and the like, F8 represents the control parameters of the 8 th path of power output devices, namely m represents the control parameters of the m paths of power output devices;
s2, confirming the F1-Fm parameter range, wherein the numerical value range set by each control parameter of F1-Fm is 0-n; a value of 0 defines the function 1 output of the power output device, a value of 1 defines the function 2 output of the power output device, a value of 2 defines the function 3 output of the power output device, and so on, a value of n defines the function n+1 output of the power output device;
s3, expanding the F1-Fm parameter range: the function output quantity of the power output device is expanded according to the requirement, namely n can be continuously expanded; for example, the existing power output device has a function output n of 47, but a new instrument item is provided, 48 function outputs can not meet the requirement, at this time, a new function output is defined, the software is upgraded, n is changed to 48, and the new function is written into the program to be defined as a function 49 output;
s4, realizing a free switching multipath power output function through software.
FIG. 1 is a flow chart of a multi-path power output free switching software implementation; FIG. 2 is a flow chart of a software implementation of controlling a function output function according to parameter value delivery; fig. 3 is a circuit diagram of a multi-path universal power output relay.
In this embodiment, the controller device has nine general-purpose power relay outputs, and each of the controller devices has a general-purpose power relay output function switching. Each general power relay output of the controller device has 48 kinds of function output switches, and the 48 kinds of function switches are used as standards of a company, and all designed controller devices must meet the standards later.
The 48 output functions are defined as follows:
0: the temperature measured value is lower than the LA parameter value and has output, and the working is effective
1: overtemperature alarm with output
2: compressor refrigeration output
3: high speed circulating fan output
4: output of medium speed circulating fan
5: low speed circulation fan output
6: illumination output
7: the temperature set value is lower than the yu parameter value and has output, and the working is effective
8: ultraviolet lamp sterilization output
9: the temperature set value is higher than the yu parameter value and has output, and the working is effective
10: the temperature measured value is higher than the LA parameter value and has output, and the working is effective
11: the temperature measured value is lower than the yu parameter value and has output, and the working is effective
12: the measured temperature value is higher than the yu parameter value and has output, and the working is effective
13: first path of temperature heating output
14: humidification output
15: manual output, no output indicator light display
16: and outputting manually, wherein no output indicator lamp is used for displaying, but water is absent or the door is opened to forcibly close and output.
17: fourth path temperature heating output
18: output of the instrument during operation
19: the temperature measured value is lower than the temperature set value plus Mu parameter value to output, and the operation is effective
20: the temperature measured value is higher than the temperature set value plus Mu parameter value to output, and the operation is effective
21: manual output, icon display with fan
22: pressure control vacuumizing output
23: carbon dioxide concentration aeration output
24: oxygen or nitrogen concentration aeration output
25: second path of temperature heating output
26: illumination level 1 output
27: illumination level 2 output
28: illumination 3-level output
29: illumination 4-level output
30: the humidity set value is higher than the Ah parameter value and has output, and the working is effective
31: the humidity set value is lower than the Ah parameter value and has output, and the working is effective
32: the humidity measured value is higher than the Ah parameter value and has output, and the working is effective
33: the humidity measured value is lower than the Ah parameter value and has output, and the working is effective
34: the humidity measured value is higher than the humidity set value and added with the Ah parameter value to output, and the working is effective
35: the humidity measured value is lower than the humidity set value and is added with the Ah parameter value to output, and the working is effective
36: controlling a first compressor output
37: controlling a second path compressor output
38: has output after high temperature sterilization and starting
39: automatic illumination output for opening door and manual control of illumination output after closing door
40: automatic water supply output
41: third path temperature heating control output
42: outputting when a fault alarm exists.
43: the measured temperature is lower than the value of the du parameter and has output, and the working is effective
44: the measured temperature is higher than the value of the du parameter and has output, and the working is effective
45: compressor refrigerant flow solenoid valve control output
46: has output when in stop
47: after the timing is finished, there is output
In the present embodiment, an incubator is exemplified, and the controller device described above is required to be used, and the following general-purpose power relay outputs are required:
1) The temperature of the movement is the third temperature, and the output needs to be controlled so as to prevent the movement from being wet;
2) Outputting by a low-speed circulating fan;
3) Outputting by a medium-speed circulating fan;
4) Outputting by a high-speed circulating fan;
5) The door temperature is the second path temperature, and the output needs to be controlled so as to prevent the glass door from fogging;
6) The compressor is cooled to output;
7) Sterilizing and outputting by an ultraviolet lamp;
according to the requirements, a research and development engineer of the incubator sets the F1 parameter value to be 41, and outputs heating for a third path of temperature, and controls the temperature of the movement; setting the F2 parameter value to be 5, and outputting the F2 parameter value to be a low-speed circulating fan; setting the F3 parameter value to be 4, and outputting the F3 parameter value to be a medium-speed circulating fan; setting the F4 parameter value to be 3, and outputting the F4 parameter value to be a high-speed circulating fan; setting the F5 parameter value to 25, heating and outputting the second path of temperature, and controlling the gate temperature; setting the F6 parameter value to 2, and outputting the refrigeration output of the compressor; setting the F7 parameter value to 8, and sterilizing and outputting by an ultraviolet lamp; in addition, the 2-way output controlled by F8 and F9 is used as a standby output. According to the convenience of wiring, research and development engineers can also freely combine the 7 outputs, so that the system is very flexible.
The incubator finds that the sterilization output of the ultraviolet lamp fails in the use occasion of a user, and according to a maintenance manual, the 8 th path is standby output, after-sales personnel sets F8 as 8, defines the 8 th path to the sterilization output function of the ultraviolet lamp, changes the original sterilization output of the ultraviolet lamp from the 7 th path to the 9 th path, does not need to replace any device, only needs the setting of software parameters on a program and the replacement of wiring, and very flexibly and conveniently completes the after-sales maintenance service.
When the incubator is used by a user, the user can remind through the loud-volume buzzer when the user hopes to have an alarm, the 9 th path is the standby output according to the maintenance manual, after-sales personnel sets F9 to 42 at the moment, namely, the 9 th path is defined to have the output when the alarm has a fault, and then the 9 th path is connected with the loud-volume buzzer. The software is not required to be changed, the controller is not required to be changed, and the requirements of customers are very conveniently met by only adding a large-volume buzzer device and setting software parameters on a program.
If an instrument development engineer needs a functional output, none of the above-mentioned functional outputs can meet their needs, and at this time, it is necessary to expand a new functional output, 47 to 48,49,50,51, and so on. And after the function output is expanded, updating the function output standard comparison table in time.
In this embodiment, there is exemplified a drying oven for drying metal powder which is liable to cause powder burning or explosion after the air is sufficiently and reaches a certain temperature, so that it is required that the door must not be opened at the time of operation and the temperature in the oven must be lower than a certain temperature value to allow the door to be opened at the time of shutdown, otherwise the metal powder is liable to be burnt or exploded after the door is opened. Because the particle size of the sample dust dried in the drying oven is very small and has explosiveness, after the drying oven is opened, air fully enters, the contact area between the dust and the air is greatly increased, if the temperature in the drying oven is too high when the drying oven is opened, the too high temperature is a local ignition source after the drying oven is opened, the dust can be burnt, if the explosion concentration is reached, the energy released by the local combustion can be extended, so that domino effect is caused, and the whole dust space is subjected to severe explosion. Therefore, the door can be opened manually when the machine is stopped and the temperature in the box is reduced to a certain temperature value.
Compared with the 48 kinds of function output, the requirement of the drying box is not met, so that new function output needs to be expanded, and the new function is defined as 'the temperature measured value is lower than the yu parameter value and has output, and the function is effective when the machine is stopped', namely, the new function has no output when the machine works; when the machine is stopped, if the temperature measured value is higher than or equal to the yu set parameter value, no output is generated; only when the machine is stopped and the temperature measured value is lower than the yu set parameter value, the output is generated. The new function output is connected to the electronic door lock, and when no output exists, the electronic door lock is locked, and the door cannot be opened manually; only when output exists, the electronic door lock is unlocked, and the door can be opened manually. Meets the requirements.
The software is upgraded, the setting range of F1-Fm is changed from 47 to 48, namely n is changed to 48, and the 49 th function is output, and the output is defined as that 'the temperature measured value is lower than the yu parameter value, and the output is valid when the machine is stopped'. And setting an allowable door opening temperature value to a yu parameter, setting one of F1-Fm as 48, and connecting the output of the path with an electronic door lock to finish the standardized design and production of the drying cabinet.
The updated function output standard comparison table is as follows:
0: the temperature measured value is lower than the LA parameter value and has output, and the working is effective
1: overtemperature alarm with output
2: compressor refrigeration output
3: high speed circulating fan output
4: output of medium speed circulating fan
5: low speed circulation fan output
6: illumination output
7: the temperature set value is lower than the yu parameter value and has output, and the working is effective
8: ultraviolet lamp sterilization output
9: the temperature set value is higher than the yu parameter value and has output, and the working is effective
10: the temperature measured value is higher than the LA parameter value and has output, and the working is effective
11: the temperature measured value is lower than the yu parameter value and has output, and the working is effective
12: the measured temperature value is higher than the yu parameter value and has output, and the working is effective
13: first path of temperature heating output
14: humidification output
15: manual output, no output indicator light display
16: and outputting manually, wherein no output indicator lamp is used for displaying, but water is absent or the door is opened to forcibly close and output.
17: fourth path temperature heating output
18: output of the instrument during operation
19: the temperature measurement value is lower than the temperature set value plus Mu parameter value, and the temperature measurement value is output, and the working efficiency is 20: the temperature measurement value is higher than the temperature set value plus Mu parameter value, and the temperature measurement value is output, and the temperature measurement value is effective 21: manual output, icon display with fan
22: pressure control vacuumizing output
23: carbon dioxide concentration aeration output
24: oxygen or nitrogen concentration aeration output
25: second path of temperature heating output
26: illumination level 1 output
27: illumination level 2 output
28: illumination 3-level output
29: illumination 4-level output
30: the humidity set value is higher than the Ah parameter value and has output, and the working is effective
31: the humidity set value is lower than the Ah parameter value and has output, and the working is effective
32: the humidity measured value is higher than the Ah parameter value and has output, and the working is effective
33: the humidity measured value is lower than the Ah parameter value and has output, and the working is effective
34: the humidity measured value is higher than the humidity set value and the Ah parameter value is output, and the working efficiency is 35: the humidity measurement value is lower than the humidity set value and added with the Ah parameter value to be output, and the method is effective 36: controlling a first compressor output
37: controlling a second path compressor output
38: has output after high temperature sterilization and starting
39: automatic illumination output for opening door and manual control of illumination output after closing door
40: automatic water supply output
41: third path temperature heating control output
42: outputting when a fault alarm exists.
43: the measured temperature is lower than the value of the du parameter and has output, and the working is effective
44: the measured temperature is higher than the value of the du parameter and has output, and the working is effective
45: compressor refrigerant flow solenoid valve control output
46: has output when in stop
47: after the timing is finished, there is output
48: the temperature measured value is lower than the yu parameter value and has output, and the method is effective when in shutdown.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified without departing from the spirit and scope of the technical solution, and all such modifications are included in the scope of the claims of the present invention.
Claims (2)
1. A method for freely switching output functions is characterized in that: the method comprises the following steps:
s1, defining control parameters of a plurality of paths of power output devices of a controller, namely defining F1-Fm parameters, wherein the F1-Fm parameters correspond to the control parameters of m paths of power output devices respectively, F1 and F2 … … Fm are respectively represented by the control parameters of the 1 st path of power output devices, F2 is represented by the control parameters of the 2 nd path of power output devices, and the like, and m is represented by the control parameters of the m path of power output devices;
s2, confirming the F1-Fm parameter range, wherein the numerical value range set by each control parameter of F1-Fm is 0-n; a value of 0 defines the function 1 output of the power output device, a value of 1 defines the function 2 output of the power output device, a value of 2 defines the function 3 output of the power output device, and so on, a value of n defines the function n+1 output of the power output device;
s3, expanding the F1-Fm parameter range: the function output quantity of the power output device is expanded according to the requirement, namely n can be continuously expanded;
s4, realizing a free switching multipath power output function by setting software parameters F1-Fm, namely realizing m (n+1) kinds of function output combinations;
in step S4, the method specifically includes the following steps:
firstly, reading the value of the F1 parameter, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to a first path of I/O port of a CPU control chip, wherein the first path of I/O port controls the opening or closing of a first path of power output device;
reading the value of the F2 parameter, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to a second path of I/O port of the CPU control chip, wherein the second path of I/O port controls the opening or closing of a second path of power output device;
and the like, until the value of the Fm parameter is read finally, transmitting the value to a function output function, realizing the function output defined by the value according to the transmitted value, and returning the state that the function output is opened or closed to an mth path I/O port of the CPU control chip, wherein the mth path I/O port controls the opening or closing of an mth path power output device.
2. A controller device using the free-switching output function method of claim 1, characterized in that: the controller device consists of m-path general power relay output circuits and F1-Fm parameters for controlling the m-path general power relay output circuits; the m-path general power relay output circuit is mainly used for executing function output; the m-path general power relay output circuit consists of an IO port of a single-chip microcontroller, a photoelectric coupler, triode current amplification and a 12V general power relay, wherein m is the number of general power relay output circuits required by the functions of a controller device.
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