CN114338342A - Equipment scheduling system and method, central controller and gateway - Google Patents
Equipment scheduling system and method, central controller and gateway Download PDFInfo
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Abstract
The invention relates to a device scheduling system, a device scheduling method, a central controller and a gateway, wherein the system is connected with a plurality of sub-controllers through the gateway, and each sub-controller governs a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers for the query and call of the gateway, so that the gateway can know the address information of each sub-controller through the central controller accurately, and does not need to poll the roll-call lower computer controller for many times, thereby improving the communication efficiency, and having good user experience and high satisfaction.
Description
Technical Field
The invention relates to the technical field of industrial control, in particular to a system and a method for scheduling equipment, a central controller and a gateway.
Background
In the industrial control field, a plurality of general gateways are often used, and a plurality of lower computer controllers are connected below one gateway and are distinguished by equipment addresses.
The gateway does not know how many lower computer controllers are in total, and the gateway starts roll calling from device address 1 to device address 255 by cycling roll calling. If the reply exists, the address of the equipment is recorded, if the reply does not exist, the roll call of the next address is continued, and the roll call is carried out once every a period of time, so that the equipment is prevented from being added midway, or the gateway is manually restarted, and the gateway is polled again.
Although this method can solve the problem of automatically detecting the lower computer controllers, since the gateway does not know how many lower computer controllers and thus performs roll calling from 1 to 255 times, the gateway needs to be started for several minutes or even dozens of minutes for normal use, and if polling is needed again at intervals, the bus load is increased.
Disclosure of Invention
In view of the above, the present invention provides a device scheduling system, a device scheduling method, a central controller, and a gateway, so as to solve the problem of low communication efficiency caused by requiring multiple polling of a roll-call lower computer controller when a gateway schedules a device in the prior art.
According to a first aspect of the embodiments of the present invention, there is provided an apparatus scheduling system, including:
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled;
the central controller is connected with the gateway and the sub-controllers simultaneously;
the central controller is used for receiving the address information reported by the sub-controllers for the query and call of the gateway; the address information is the equipment address information of the sub-controller.
Preferably, the central controller is further configured to:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
and/or the presence of a gas in the gas,
receiving data information reported by the sub-controllers, storing the data information into a temporary storage area, so that the gateway queries the address information of each sub-controller from the temporary storage area, and querying the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
Preferably, if the temporary storage area of the central controller stores heartbeat information, the central controller judges whether each sub-controller is offline according to the heartbeat information;
and the central controller is also used for detecting the communication state with each sub-controller, judging that a communication fault occurs after the communication state displays offline and lasts for a preset time length, and clearing the address information and the data information stored in the temporary storage area.
According to a second aspect of the embodiments of the present invention, there is provided a device scheduling method, which is applied to a central controller, and includes:
receiving address information reported by each sub-controller;
storing the address information into a temporary storage area for query and call of a gateway; the address information is the equipment address information of the sub-controller;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; and the central controller is connected with the gateway and the sub-controllers simultaneously.
Preferably, the method further comprises:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; and/or the presence of a gas in the gas,
receiving data information reported by each sub-controller, storing the data information into a temporary storage area, so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
Preferably, the receiving address information reported by each sub-controller, and/or receiving data information reported by each sub-controller specifically includes:
receiving the address information reported by each sub-controller every other first preset time, and/or,
and receiving data information reported by each sub-controller every other first preset time.
Preferably, the method further comprises:
if the temporary storage area stores heartbeat information, judging whether each sub-controller is off-line or not according to the heartbeat information;
detecting the communication state with each sub-controller, displaying offline in the communication state and continuing for a second preset time, judging that a communication fault occurs, and emptying address information and data information stored in the temporary storage area; the second preset time length is larger than the first preset time length.
Preferably, the method further comprises the following steps:
the gateway inquires the address information of each sub-controller from the temporary storage area every third preset time; the third preset time is longer than the first preset time.
According to a third aspect of the embodiments of the present invention, there is provided a device scheduling method, which is applied in a gateway, and includes:
inquiring the address information of each sub-controller from a temporary storage area of the central controller, and inquiring the data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; and/or the presence of a gas in the gas,
inquiring address information of each sub-controller from a temporary storage area of a central controller, and inquiring data information corresponding to corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; the central controller is connected with the gateway and the sub-controllers simultaneously; the address information is the equipment address information of the sub-controller.
According to a fourth aspect of embodiments of the present invention, there is provided a central controller including:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor executes the above-mentioned device scheduling method by calling the computer program stored in the memory.
According to a fifth aspect of the embodiments of the present invention, there is provided a gateway, including:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor executes the above-mentioned device scheduling method by calling the computer program stored in the memory.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the system is connected with a plurality of sub-controllers through gateways, and each sub-controller governs a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers for the query and call of the gateway, so that the gateway can know the address information of each sub-controller through the central controller accurately, and does not need to poll the roll-call lower computer controller for many times, thereby improving the communication efficiency, and having good user experience and high satisfaction.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic block diagram illustrating a device scheduling system in accordance with an exemplary embodiment;
fig. 2 is a flow chart illustrating a method of device scheduling in accordance with an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example one
Fig. 1 is a schematic block diagram illustrating a device scheduling system according to an exemplary embodiment, as shown in fig. 1, the system including:
the gateway 101 is connected with a plurality of sub-controllers 102, and each sub-controller 102 governs a plurality of devices to be scheduled;
the central controller 103 is connected with the gateway 101 and the sub-controllers 102;
the central controller 103 is configured to receive the address information reported by the sub-controller 102, and store the address information in a temporary storage area for the gateway 101 to query and call; the address information is the device address information of the sub-controller 102 itself.
It should be noted that the technical scheme provided in this embodiment is applicable to an equipment scheduling system with a gateway, and the equipment scheduling system may be applicable to a Modbus communication protocol commonly used in the industrial control field, and may also be applicable to a CAN communication mode or other communication protocols in the industrial control field. Such devices include, but are not limited to: industrial control equipment, household intelligent equipment and other electric equipment.
Preferably, the central controller is further configured to:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
and/or the presence of a gas in the gas,
receiving data information reported by the sub-controllers, storing the data information into a temporary storage area, so that the gateway queries the address information of each sub-controller from the temporary storage area, and querying the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
If the temporary storage area of the central controller stores heartbeat information, the central controller judges whether each sub-controller is off-line or not according to the heartbeat information;
and the central controller is also used for detecting the communication state with each sub-controller, judging that a communication fault occurs after the communication state displays offline and lasts for a preset time length, and clearing the address information and the data information stored in the temporary storage area.
To facilitate understanding of the working principle of the device scheduling system provided in the present embodiment, the following explanation is made:
1. each sub-controller actively reports address information and data information to the central controller at regular time, the timing period can be preset as a fixed value, and the timing period can also be self-defined when used by a user, for example, every first preset time T is set1(ii) a The data information at least comprises: heartbeat information, electric quantity information and demand statisticsThe operation information of the device.
2. And after receiving the address information and the data information, the central controller stores the address information and the data information in a temporary storage area.
3. After receiving the address information of each sub-controller, the central controller starts to judge whether the communication state with each sub-controller is normal according to the heartbeat information, and if the communication state continues for a second preset time T2If the heartbeat information cannot be received, the sub-controller is judged to be off-line, and address information and data information, T, of the sub-controller in the temporary storage area are emptied2>T1。
4. If the data reported by each sub-controller comprises the electric quantity information of the equipment managed by each sub-controller, the central controller collects the data in a unified manner and calculates the total power consumption of the equipment.
5. After the gateway is started, the central controller is accessed in a starting period, and the period time can be preset or can be set to be T in an open mode3，T3>T1。
6. By accessing the central controller, the gateway can accurately access the sub-controllers after obtaining the accurate address information of the sub-controllers, and obtain data information from the sub-controllers; alternatively, the gateway retrieves the stored data information directly from the central controller.
It can be understood that, in the technical solution provided in this embodiment, the gateway is connected to a plurality of sub-controllers, and each sub-controller manages a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers for the query and call of the gateway, so that the gateway can know the address information of each sub-controller through the central controller accurately, and does not need to poll the roll-call lower computer controller for many times, thereby improving the communication efficiency, and having good user experience and high satisfaction.
Example two
Fig. 2 is a flowchart illustrating a device scheduling method, which is applied to a central controller, according to an exemplary embodiment, and includes:
s11, receiving address information reported by each sub-controller for the query and call of the gateway; the address information is the equipment address information of the sub-controller;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; and the central controller is connected with the gateway and the sub-controllers simultaneously.
Preferably, the method further comprises:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; and/or the presence of a gas in the gas,
receiving data information reported by each sub-controller, storing the data information into a temporary storage area, so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
The receiving of the address information reported by each sub-controller and/or the receiving of the data information reported by each sub-controller specifically includes:
receiving the address information reported by each sub-controller every other first preset time, and/or,
and receiving data information reported by each sub-controller every other first preset time.
In specific practice, the method further comprises:
if the temporary storage area stores heartbeat information, judging whether each sub-controller is off-line or not according to the heartbeat information;
detecting the communication state with each sub-controller, displaying offline in the communication state and continuing for a second preset time, judging that a communication fault occurs, and emptying address information and data information stored in the temporary storage area; the second preset time length is larger than the first preset time length.
In a specific practice, the gateway queries the address information of each sub-controller from the temporary storage area every third preset time length; the third preset time is longer than the first preset time.
It can be understood that, in the technical solution provided in this embodiment, the gateway is connected to a plurality of sub-controllers, and each sub-controller manages a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers for the query and call of the gateway, so that the gateway can know the address information of each sub-controller through the central controller accurately, and does not need to poll the roll-call lower computer controller for many times, thereby improving the communication efficiency, and having good user experience and high satisfaction.
EXAMPLE III
According to another exemplary embodiment, a flow chart of a device scheduling method is shown, the method is applied in a gateway, and the method includes:
inquiring the address information of each sub-controller from a temporary storage area of the central controller, and inquiring the data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; and/or the presence of a gas in the gas,
inquiring address information of each sub-controller from a temporary storage area of a central controller, and inquiring data information corresponding to corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; the central controller is connected with the gateway and the sub-controllers simultaneously; the address information is the equipment address information of the sub-controller.
It can be understood that, in the technical solution provided in this embodiment, the gateway is connected to a plurality of sub-controllers, and each sub-controller manages a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers and stores the address information in a temporary storage area for the query and call of the gateway, so that the gateway can know the address information of each sub-controller accurately through the central controller, the roll-call lower computer controller does not need to be polled for many times, the communication efficiency is improved, and the user experience degree and the satisfaction degree are good and high.
Example four
A central controller is shown according to an exemplary embodiment, comprising:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor executes the device scheduling method according to the second embodiment by calling the computer program stored in the memory.
It can be understood that, in the technical solution provided in this embodiment, the gateway is connected to a plurality of sub-controllers, and each sub-controller manages a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers and stores the address information in a temporary storage area for the query and call of the gateway, so that the gateway can know the address information of each sub-controller accurately through the central controller, the roll-call lower computer controller does not need to be polled for many times, the communication efficiency is improved, and the user experience degree and the satisfaction degree are good and high.
EXAMPLE five
A gateway is shown according to an example embodiment, comprising:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor executes the device scheduling method according to the third embodiment by calling the computer program stored in the memory.
It can be understood that, in the technical solution provided in this embodiment, the gateway is connected to a plurality of sub-controllers, and each sub-controller manages a plurality of devices to be scheduled; the gateway is connected with the central controller and is also connected with the sub-controllers; the central controller receives the address information reported by the sub-controllers and stores the address information in a temporary storage area for the query and call of the gateway, so that the gateway can know the address information of each sub-controller accurately through the central controller, the roll-call lower computer controller does not need to be polled for many times, the communication efficiency is improved, and the user experience degree and the satisfaction degree are good and high.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A device scheduling system, comprising:
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled;
the central controller is connected with the gateway and the sub-controllers simultaneously;
the central controller is used for receiving the address information reported by the sub-controllers for the query and call of the gateway; the address information is the equipment address information of the sub-controller.
2. The system of claim 1, wherein the central controller is further configured to:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
and/or the presence of a gas in the gas,
receiving data information reported by the sub-controllers, storing the data information into a temporary storage area, so that the gateway queries the address information of each sub-controller from the temporary storage area, and querying the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
3. The system of claim 2,
if the temporary storage area of the central controller stores heartbeat information, the central controller judges whether each sub-controller is off-line or not according to the heartbeat information;
and the central controller is also used for detecting the communication state with each sub-controller, judging that a communication fault occurs after the communication state displays offline and lasts for a preset time length, and clearing the address information and the data information stored in the temporary storage area.
4. An apparatus scheduling method, which is applied to a central controller, is characterized by comprising:
receiving address information reported by each sub-controller for being inquired and called by a gateway; the address information is the equipment address information of the sub-controller;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; and the central controller is connected with the gateway and the sub-controllers simultaneously.
5. The method of claim 4, further comprising:
storing the address information into a temporary storage area so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information; and/or the presence of a gas in the gas,
receiving data information reported by each sub-controller, storing the data information into a temporary storage area, so that the gateway inquires the address information of each sub-controller from the temporary storage area, and inquiring the data information corresponding to the corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing statistics.
6. The method according to claim 5, wherein the receiving address information reported by each sub-controller and/or the receiving data information reported by each sub-controller specifically comprises:
receiving the address information reported by each sub-controller every other first preset time, and/or,
and receiving data information reported by each sub-controller every other first preset time.
7. The method of claim 6, further comprising:
if the temporary storage area stores heartbeat information, judging whether each sub-controller is off-line or not according to the heartbeat information;
detecting the communication state with each sub-controller, displaying offline in the communication state and continuing for a second preset time, judging that a communication fault occurs, and emptying address information and data information stored in the temporary storage area; the second preset time length is larger than the first preset time length.
8. The method of claim 6, further comprising:
the gateway inquires the address information of each sub-controller from the temporary storage area every third preset time; the third preset time is longer than the first preset time.
9. An apparatus scheduling method, which is applicable to a gateway, is characterized by comprising:
inquiring the address information of each sub-controller from a temporary storage area of the central controller, and inquiring the data information of equipment under the jurisdiction of the sub-controllers from the sub-controllers according to the address information;
and/or the presence of a gas in the gas,
inquiring address information of each sub-controller from a temporary storage area of a central controller, and inquiring data information corresponding to corresponding address information from the temporary storage area according to the address information;
the data information at least comprises: heartbeat information, electric quantity information and operation information of equipment needing to be counted;
the gateway is connected with a plurality of sub-controllers, and each sub-controller governs a plurality of devices to be scheduled; the central controller is connected with the gateway and the sub-controllers simultaneously; the address information is the equipment address information of the sub-controller.
10. A central controller, comprising:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor executes the device scheduling method according to any one of claims 4 to 8 by calling a computer program stored in the memory.
11. A gateway, comprising:
a processor and a memory, wherein,
the memory is stored with a computer program which can be called by the processor;
the processor performs the device scheduling method of claim 9 by calling a computer program stored in the memory.
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| CN106487583A (en) * | 2016-09-26 | 2017-03-08 | 海信集团有限公司 | A kind of method for setting up network connection and LAN system |
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