CN114025406B - Communication method and device of smoke exhaust system and smoke exhaust system - Google Patents
Communication method and device of smoke exhaust system and smoke exhaust system Download PDFInfo
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- CN114025406B CN114025406B CN202111298924.0A CN202111298924A CN114025406B CN 114025406 B CN114025406 B CN 114025406B CN 202111298924 A CN202111298924 A CN 202111298924A CN 114025406 B CN114025406 B CN 114025406B
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- 239000000779 smoke Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000004891 communication Methods 0.000 title claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims description 32
- 230000006870 function Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 20
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 6
- 238000004590 computer program Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- General Engineering & Computer Science (AREA)
- Selective Calling Equipment (AREA)
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Abstract
The invention provides a communication method and a device of a smoke exhaust system and the smoke exhaust system, wherein the method comprises the following steps: the network relay equipment monitors a heartbeat issuing command in the current heartbeat period; if a heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval; if the heartbeat uploading command sent by the lower network relay device is monitored, the heartbeat uploading command is sent to the upper network relay device according to a preset second time interval, so that the upper network relay device is triggered to continuously send the heartbeat uploading command to the upper network according to the second time interval until the heartbeat uploading command is uploaded to the host, the technical problem that the control effect of the traditional central range hood control system is poor is solved, the control effect of the central range hood is improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of smoke exhaust systems, in particular to a communication method and device of a smoke exhaust system and the smoke exhaust system.
Background
At present, a central range hood control system uses wireless communication, namely, information interaction is carried out between a host machine and each slave machine through wireless signals, so that system control is realized. Normally, each slave is separated by 1 floor (3.2 meters), and when each slave is normally powered on, wireless commands of the bottom slave can be transmitted to the host from bottom to top through layer by layer. However, the wireless signals have transmission distance limitation, and the transmission distance of the LoRa (Long Range Radio) module used by the existing central Range hood in the flue is about 12 layers (about 40 meters), so that for a 30-layer control system, when only the slave of the building 1 and the host of the roof are electrified, the wireless signals cannot be directly transmitted from the building 1 to the host of the roof, so that a user of the building 1 cannot access the control system, and the control effect of the central Range hood control system is poor.
Disclosure of Invention
In view of the above, the present invention aims to provide a communication method and device of a smoke exhaust system and a smoke exhaust system, so as to alleviate the technical problem that the control effect of the existing central smoke exhaust ventilator control system is poor, improve the control effect of the central smoke exhaust ventilator, and improve the user experience.
In a first aspect, an embodiment of the present invention provides a communication method of a smoke evacuation system, which is applied to a network relay device of the smoke evacuation system, where the smoke evacuation system includes a master machine and at least one slave machine, and the master machine communicates with the at least one slave machine through the network relay device, and the method includes: monitoring a heartbeat issuing command in a current heartbeat period; if a heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval; monitoring a heartbeat uploading command sent by a subordinate network relay device; if the heartbeat uploading command is monitored, sending the heartbeat uploading command to the upper network relay device according to a preset second time interval, so as to trigger the upper network relay device to continuously send the heartbeat uploading command to the upper network according to the second time interval until the heartbeat uploading command is uploaded to the host.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the step of monitoring a heartbeat issue command includes: monitoring a heartbeat issuing command sent by a host; or, monitoring a heartbeat issuing command sent by the superior network relay device.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the extracting clock information carried in the heartbeat issue command includes: extracting clock information of a host computer carried in a heartbeat issuing command, and performing clock calibration according to the clock information of the host computer; or extracting the clock information of the upper network relay device carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the upper network relay device.
With reference to the first aspect, the embodiment of the present invention provides a third possible implementation manner of the first aspect, where the method further includes: monitoring a control instruction received by a connected slave machine in a current heartbeat period; the control instruction comprises an operation instruction of a user on the slave; if the control command is monitored, generating a heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to the upper network relay device.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the method further includes: and in the current heartbeat period, if the control instruction received by the slave is not monitored, generating a heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the upper-level network relay equipment.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where after the foregoing monitoring a heartbeat issue command, the method further includes: starting a timing function; and if the heartbeat uploading command is not monitored within the preset timing time, sending the heartbeat uploading command to the upper network relay equipment according to a preset third time interval.
In a second aspect, an embodiment of the present invention further provides a communication method of a smoke evacuation system, where the method is applied to a host of the smoke evacuation system, and the smoke evacuation system includes at least one slave and at least one network relay device, and the host and the at least one slave communicate through the network relay device, where the method includes: sending a heartbeat issuing command to the network relay equipment according to a preset time interval; in the current heartbeat period, receiving a heartbeat uploading command uploaded by the network relay equipment based on the heartbeat downloading command; if the heartbeat uploading command comprises an operation instruction of the slave machine by a user, the operation state of the slave machine is controlled based on the operation instruction.
In a third aspect, an embodiment of the present invention further provides a communication apparatus of a smoke evacuation system, which is applied to a network relay device of the smoke evacuation system, where the smoke evacuation system includes a master machine and at least one slave machine, and the master machine communicates with the at least one slave machine through the network relay device, and the apparatus includes: the first monitoring module is used for monitoring a heartbeat issuing command in the current heartbeat period; the heartbeat issuing module is used for extracting clock information carried in the heartbeat issuing command if the heartbeat issuing command is monitored, and carrying out clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval; the second monitoring module is used for monitoring a heartbeat uploading command sent by the subordinate network relay equipment; and the heartbeat uploading module is used for sending the heartbeat uploading command to the upper-level network relay equipment according to a preset second time interval if the heartbeat uploading command is monitored, so as to trigger the upper-level network relay equipment to continuously send the heartbeat uploading command to the upper level according to the second time interval until the heartbeat uploading command is uploaded to the host.
In a fourth aspect, an embodiment of the present invention further provides a communication apparatus of a smoke evacuation system, which is applied to a host of the smoke evacuation system, where the smoke evacuation system includes at least one slave and at least one network relay device, and the host and the at least one slave communicate through the network relay device, and the apparatus includes: the sending module is used for sending a heartbeat issuing command to the network relay equipment according to a preset time interval; the receiving module is used for receiving a heartbeat uploading command uploaded by the network relay equipment based on a heartbeat downloading command in the current heartbeat period; and the control module is used for controlling the running state of the slave machine based on the operation instruction if the heartbeat uploading command comprises the operation instruction of the user on the slave machine. In a fifth aspect, an embodiment of the present invention further provides a smoke evacuation system, including a host, at least one slave, and at least one network relay device, where the host and the slave communicate through the network relay device; the network relay equipment of each floor is in communication connection with the slaves of the preset number corresponding to the floor so as to enable the slaves to communicate with the master; wherein the network relay device is provided with the communication device of the smoke evacuation system of the third aspect, and the host is provided with the communication device of the smoke evacuation system of the fourth aspect.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a communication method and a device of a smoke evacuation system and the smoke evacuation system, wherein network relay equipment monitors a heartbeat issuing command in a current heartbeat period; if a heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval; if the heartbeat uploading command sent by the lower network relay device is monitored, the heartbeat uploading command is sent to the upper network relay device according to a preset second time interval, so that the upper network relay device is triggered to continuously send the heartbeat uploading command to the upper network according to the second time interval until the heartbeat uploading command is uploaded to the host, the technical problem that the control effect of the traditional central range hood control system is poor is solved, the control effect of the central range hood is improved, and the user experience is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a smoke evacuation system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a network relay device according to an embodiment of the present invention;
FIG. 3 is a schematic cross-section of a trailing cable according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another network relay device according to an embodiment of the present invention;
fig. 5 is a flowchart of a communication method of a smoke evacuation system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of issuing a heartbeat issuing command according to an embodiment of the present invention;
Fig. 7 is an uploading schematic diagram of a heartbeat uploading command provided in an embodiment of the present invention;
fig. 8 is a flowchart of a communication method of another smoke evacuation system according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a communication device of a smoke evacuation system according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a communication device of another smoke evacuation system according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Aiming at the technical problem that the control effect of the existing central range hood control system is poor, the embodiment of the invention provides a communication method and device of a smoke exhaust system and the smoke exhaust system so as to relieve the technical problem that the control effect of the existing central range hood control system is poor, improve the control effect of the central range hood and improve the experience of users.
For the sake of understanding the present embodiment, first, referring to a schematic diagram of a smoke evacuation system shown in fig. 1, the smoke evacuation system includes a master computer, at least one slave computer (not shown), and at least one network relay device, where the master computer and the slave computer communicate through the network relay device, and a plurality of network relay devices are sequentially connected and disposed on a preset floor. The host machine is also called a power host machine, the slave machine is also called a terminal machine, a plurality of slave machines are arranged on each floor, the network relay devices are arranged at positions corresponding to preset floors in the flue through the following cables, such as the network relay device 10 is arranged on a floor 55, the network relay device 9 is arranged on a floor 45 and the like in fig. 1, each network relay device provides electric energy through the host machine, such as a 12V power supply, and moreover, each network relay device can be separated by a preset distance, such as 30 meters, so that two adjacent network relay devices can normally communicate. In practical application, the number of the network relay devices is not more than 10, and may be set according to the flue length of the actual floor, for example, 6 network relay devices from the network relay device 5 to the network relay device 10 set in fig. 1, it should be noted that the serial numbers of the network relay devices may be set according to the actual situation, which is not limited in the embodiment of the present invention.
Specifically, in practical application, the network relay device 10 is shown in fig. 2, and includes an upper housing, a relay module and a lower housing, and the relay module is fixed between the upper housing and the lower housing by screws and is fixed on a trailing cable of the smoke exhaust system, where the cross section of the trailing cable is shown in fig. 3, and includes an inner insulation, an outer insulation, an inner conductor, a middle quilt, a steel wire, and the like, so that the network relay device 10 can be fixed, and the communication function of the network relay device 10 is not affected, and the control effect of the smoke exhaust system is improved. In addition, if the condition allows, the normal power-on state can be maintained at the designated floor, at this time, the network relay device can be fixed at the designated floor, and power supply is performed through the designated floor without power supply through a travelling cable, so that the fixing mode of the network relay device can be set according to the actual application scene, and the embodiment of the invention is not limited to this.
The network relay device 10 includes a relay module, where the relay module includes a power management unit, a control unit, and a Lora wireless unit that are sequentially connected. As shown in fig. 4, the power management unit is configured to convert the power provided by the host into a power matched with the control unit, for example, the 12V power provided by the host is transmitted to the relay module through the trailing cable, and at this time, the power management unit in the relay module converts the 12V power into the power required by the control unit, for example, 3.3V, that is, converts the power provided by the host into the power matched with the control unit, thereby ensuring that the control unit works normally and implementing the function of the relay module.
The control unit and the Lora wireless unit communicate through SPI (Serial Peripheral Interface ), the Lora wireless unit receives wireless commands sent by a host computer, a slave computer and other network relay equipment, and sends the wireless commands to the control unit through SPI, so that the control unit receives the wireless commands to analyze, information in the wireless commands is obtained, running information of the host computer and running information of the slave computer are summarized, time synchronization is carried out, then according to a wireless communication protocol, when a sending time point of the network relay equipment is counted, commands to be sent are sent to the Lora wireless unit through SPI, so that the Lora wireless unit converts the commands to be sent into wireless commands and sends the wireless commands to the host computer, the slave computer or other network relay equipment, and accordingly communication functions of the network relay equipment are achieved.
Based on the above smoke evacuation system, the embodiment of the present invention provides a communication method of a smoke evacuation system, where an execution subject of the method is a network relay device of the smoke evacuation system, as shown in fig. 5, and the method includes the following steps:
step S502, monitoring a heartbeat issuing command in a current heartbeat period;
in practical application, each network relay device enters a working state after being electrified, monitors wireless commands of each floor in real time, and completes heartbeat issuing and heartbeat uploading in a preset heartbeat period; the heartbeat period may be set according to practical situations, which is not limited in the embodiment of the present invention.
Specifically, in the current heartbeat period, when the host sends out the heartbeat issuing command in a broadcast mode, the network relay device closest to the host among the plurality of network relay devices receives the heartbeat issuing command first, and the rest of network relay devices sequentially receive the heartbeat issuing command according to the sequence. Therefore, for the current network relay device, the received heartbeat issuing command may be a heartbeat issuing command sent by the host, or may be a heartbeat issuing command sent by an upper network relay device, which is not limited in the embodiment of the present invention.
In addition, since the heartbeat issuing command is issued in a broadcast form, the slave closest to the host may also receive the heartbeat issuing command, as shown in fig. 6, and issue the heartbeat issuing command to the slave in the next stage in the floor order (the host is typically disposed on the roof of the building) until the last slave receives the heartbeat issuing command. Wherein, the relay 1 is a network relay device 1, the relay 9 is a network relay device 9, and the relay 10 is a network relay device 10.
The heartbeat issuing command further includes various information, such as a startup state, a startup correction angle, a shutdown correction angle and the like of the slave machine, so that each network relay device monitors the slave machine managed (wireless connection or wired connection) according to the monitored heartbeat issuing command, and the specific information of the heartbeat issuing command is shown in table one:
List one
Step S504, if a heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval;
specifically, for each network relay device, if a heartbeat issuing command issued by a host is monitored, extracting clock information of the host carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the host; if the heartbeat issuing command sent by the upper network relay device is monitored, extracting clock information of the upper network relay device carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the upper network relay device until all the network relay devices complete clock synchronization according to the monitored clock information of the source position of the heartbeat issuing command, so that all the network relay devices are ensured to be in the same heartbeat period.
In addition, for each network relay device, after clock synchronization is completed, a heartbeat issuing command is sent to the subordinate network relay device according to a preset first time interval, for example, after the network relay device 9 completes clock synchronization, the heartbeat issuing command is sent to the network relay device 8 according to the first time interval, for example, after 0.1s, so that a plurality of network relay devices sequentially receive the heartbeat issuing command according to a position sequence, wherein the position sequence is the position sequence of the network relay device in the travelling cable, and optionally, if the distance from the host is the network relay device 10 closest to the host is gradually decreased, the last network relay device is the network relay device 1; on the contrary, if the network relay device 1 is closest to the host, the last one is the network relay device 10, which is not limited by the embodiment of the present invention.
Step S506, monitoring a heartbeat uploading command sent by the subordinate network relay equipment;
when the last network relay device receives the heartbeat issuing command and completes clock synchronization, the heartbeat issuing command in the current heartbeat period is completed, and at this time, each network relay device monitors the managed slave according to the information in the heartbeat issuing command, generates a heartbeat uploading command and sends the heartbeat uploading command to the host. The order of the heartbeat uploading command of each network relay device is opposite to the order of the heartbeat downloading command, so that for the current network relay device, whether the lower network relay device sends the heartbeat uploading command or not needs to be monitored, and the heartbeat uploading command sent by the lower network relay device is uploaded to the upper network relay device until the heartbeat uploading command is uploaded to the host.
For ease of understanding, this is illustrated herein. As shown in fig. 7, where relay 1 is network relay device 1, relay 2 is network relay device 2, relay 10 is network relay device 10, network relay device 1 uploads the generated heartbeat upload command to network relay device 2, network relay device 2 uploads the received heartbeat upload command to network relay device 3 (not shown), and so on until network relay device 10 uploads the received heartbeat upload command to the host, thereby completing the heartbeat upload command.
In addition, the current network relay device monitors whether the heartbeat uploading command sent by the lower network relay device is received or not, monitors the managed slave machine in the current heartbeat period, so as to generate the heartbeat uploading command of the current network relay device according to a preset message format, upload the heartbeat uploading command and the heartbeat uploading command sent by the monitored lower network relay device to the upper network relay device, and so on until the network relay device nearest to the host machine uploads the generated heartbeat uploading command and the heartbeat uploading command sent by all the lower network relay devices to the host machine together, thereby realizing the communication between the host machine and the slave machine and improving the control effect of the central range hood control system.
Specifically, for the current network relay device, in one possible embodiment, during the current heartbeat period, monitoring a control instruction received by the connected slave; the control instruction comprises an operation instruction of a user on the slave; if the control command is monitored, generating a heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to the upper network relay device. Specifically, in the current heartbeat period, the current network relay device monitors the managed slave according to the information in the heartbeat issuing command, and if the slave receives a control command, such as an operation command of a user, including but not limited to a startup operation command, a shutdown operation command and the like, the current network relay device generates a heartbeat uploading command according to the monitored control command and a preset message format and sends the heartbeat uploading command to the upper network relay device.
In another possible embodiment, if the control instruction received by the slave is not monitored in the current heartbeat cycle, a heartbeat uploading command is generated according to a preset message format, and the heartbeat uploading command is sent to the upper-level network relay device. Specifically, if the current network relay device does not monitor the control instruction of the slave, a heartbeat uploading command is generated according to a preset message format, and the heartbeat uploading command is sent to the upper network relay device.
In addition, the heartbeat uploading command comprises various information for representing the state of the monitored slave machine, wherein the information of the heartbeat uploading command is shown in a table II:
watch II
Wherein, for the 5-36 byte symbols, the specific meaning is shown in Table III:
watch III
Therefore, the host can control the state of each slave according to the received heartbeat uploading command, compared with the prior wireless communication, the slave cannot transmit wireless signals to the host at one floor, the wireless command of each slave is transmitted to the host through the communication protocol of the network relay equipment on the premise of not conflicting with the original communication protocol, the control effect of the central range hood is improved, and the user experience is improved.
Step S508, if the heartbeat uploading command is monitored, the heartbeat uploading command is sent to the upper network relay device according to a preset second time interval, so that the upper network relay device is triggered to continuously send the heartbeat uploading command to the upper network according to the second time interval until the heartbeat uploading command is uploaded to the host.
Specifically, each network relay device also needs to send a heartbeat uploading command to the upper network relay device according to a preset second time interval until the heartbeat uploading command is uploaded to the host. For ease of understanding, this is illustrated herein. If the second time interval is 0.1s, after the network relay device 2 receives the heartbeat uploading command uploaded by the network relay device 1 for 0.1s, the received heartbeat uploading command and the generated heartbeat uploading command are uploaded to the network relay device 3, and so on, after the network relay device 10 receives the heartbeat uploading command uploaded by the network relay device 9 for 0.1s, all the heartbeat uploading commands are uploaded to the host.
According to the communication method of the smoke evacuation system, provided by the embodiment of the invention, the heartbeat issuing command is monitored in the current heartbeat period through the network relay equipment; if a heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval; if the heartbeat uploading command sent by the lower network relay device is monitored, the heartbeat uploading command is sent to the upper network relay device according to a preset second time interval, so that the upper network relay device is triggered to continuously send the heartbeat uploading command to the upper network according to the second time interval until the heartbeat uploading command is uploaded to the host, the technical problem that the control effect of the traditional central range hood control system is poor is solved, the control effect of the central range hood is improved, and the user experience is improved.
In one possible embodiment, after the current network relay device monitors the heartbeat issue command, the method further includes: starting a timing function; and if the heartbeat uploading command is not monitored within the preset timing time, sending the heartbeat uploading command to the upper network relay equipment according to a preset third time interval.
For ease of understanding, 10 network relay devices are illustrated herein. The heartbeat cycle is 60s, the network relay device 1 is arranged at the lowest end of the public flue, and the network relay device 10 is nearest to the host. At this time, when the power supply of each network relay device is in a working state, firstly, the host sends a heartbeat issuing command in a broadcast mode, the network relay devices sequentially receive the heartbeat issuing command according to a preset interval and perform clock synchronization one by performing calibration clock, namely, after the host sends the heartbeat issuing command, the network relay device 10 receives the heartbeat issuing command and completes clock synchronization with reference to the host clock, and after the preset interval is 0.1s, the network relay devices 9 to 1 issue the heartbeat issuing command; the network relay device 9 receives the heartbeat issuing command, at this time, the network relay device 9 completes clock synchronization with reference to the clock at the source of the heartbeat issuing command, where the source of the heartbeat issuing command may be the network relay device 10, or may be the host, and so on, after 0.2s, the heartbeat issuing command is performed to the network relay devices 8 to 1 until 1s, the network relay device 1 receives the heartbeat issuing command, and completes clock synchronization according to the clock at the source of the heartbeat issuing command, at this time, the heartbeat issuing command is completed in the heartbeat cycle.
After the heartbeat issuing command is completed, the network relay device 10-1 broadcasts the command of message uploading to the slaves managed respectively within 16s, so that the slaves send the received control command to the corresponding network relay device, and the network relay device generates the heartbeat uploading command according to the monitored control command and the preset message format. Specifically, after receiving the heartbeat down command 16s, the network relay device 1 generates a heartbeat up command according to the monitored control command of the slave and the preset message format, and sequentially broadcasts and sends the heartbeat up command to the upper network relay device, at this time, after receiving the heartbeat up command sent by the network relay device 1 for 0.1s, the network relay device 2 broadcasts and sends the heartbeat up command to the network relay devices 3 to 10 until the host receives the heartbeat up command sent by the network relay device 10.
If the network relay device 2 does not receive the heartbeat uploading command sent by the network relay device 1, starting a timing function after receiving the heartbeat downloading command, and continuously broadcasting and sending the heartbeat uploading command to the network relay devices 3-10 by the network relay device 2 when the timing time length reaches 20s, and uploading the heartbeat uploading command to the upper network relay device, namely the network relay device 4 after the network relay device 3 normally receives the heartbeat uploading command at intervals of 0.1s until a host receives the heartbeat uploading command sent by the network relay device 10.
In addition, by analogy, if the heartbeat uploading command is normally received between the network relay devices, the heartbeat uploading command is transmitted to the upper-level network relay device at intervals of 0.1s, and if the heartbeat uploading command transmitted by the lower-level network relay device is not received, the heartbeat uploading command is broadcast to the upper-level network relay device after waiting for 4 s. In particular, if the network relay device 10 does not receive the heartbeat upload command transmitted by the network relay device 9, the heartbeat upload command is transmitted to the host after the network relay device 10 receives the heartbeat down command 52s transmitted by the host.
When each network relay device sends a heartbeat uploading command, the current network relay device sends the heartbeat uploading command to the upper network relay device, and the heartbeat uploading command not only comprises the heartbeat uploading command generated by the current network relay device according to the managed slave machine, but also comprises the heartbeat uploading command sent by the lower network relay device, so that the wireless information of all the slave machines is sent to the host machine through the network relay device, the technical problem that the control effect of the existing central range hood control system is poor is solved, the control effect of the central range hood is improved, and the user experience is improved.
On the basis of the above embodiment, the embodiment of the present invention further provides a communication method of a smoke evacuation system, where an execution body is a host of the smoke evacuation system, and the smoke evacuation system includes at least one slave and at least one network relay device, and the host and the at least one slave communicate through the network relay device, as shown in fig. 8, and the method includes the following steps:
step S802, sending a heartbeat issuing command to the network relay device according to a preset time interval;
step S804, in the current heartbeat period, receiving a heartbeat uploading command uploaded by the network relay equipment based on the heartbeat downloading command;
in step S806, if the heartbeat upload command includes an operation instruction of the slave machine by the user, the operation state of the slave machine is controlled based on the operation instruction.
Therefore, the heartbeat issuing command and the heartbeat uploading command of the host and the slaves are realized through the network relay equipment, so that the host controls the running state of each slave, the technical problem that the control effect of the traditional central range hood control system is poor is solved, the control effect of the central range hood is improved, and the user experience is improved. In addition, the specific process of the communication method may refer to the foregoing method embodiment, and the detailed description of the embodiment of the present invention is omitted herein.
Corresponding to the method embodiment in fig. 5, the embodiment of the invention provides a communication device of a smoke evacuation system, which is applied to a network relay device of the smoke evacuation system, wherein the smoke evacuation system comprises a master machine and at least one slave machine, and the master machine and the at least one slave machine are communicated through the network relay device. As shown in fig. 9, the device includes a first monitoring module 91, a heartbeat issuing module 92, a second monitoring module 93 and a heartbeat uploading module 94 that are sequentially connected, where the functions of each module are as follows:
a first monitoring module 91, configured to monitor a heartbeat issuing command in a current heartbeat cycle;
the heartbeat issuing module 92 is configured to extract clock information carried in a heartbeat issuing command if the heartbeat issuing command is monitored, and perform clock calibration according to the clock information; sending a heartbeat issuing command to the subordinate network relay device according to a preset first time interval;
a second monitoring module 93, configured to monitor a heartbeat upload command sent by the subordinate network relay device;
and the heartbeat uploading module 94 is configured to send the heartbeat uploading command to the upper network relay device according to a preset second time interval if the heartbeat uploading command is monitored, so as to trigger the upper network relay device to continue sending the heartbeat uploading command to the upper level according to the second time interval until the heartbeat uploading command is uploaded to the host.
Further, the first monitor module 91 is further configured to: monitoring a heartbeat issuing command sent by a host; or, monitoring a heartbeat issuing command sent by the superior network relay device.
Further, the heartbeat issuing module 92 is further configured to: extracting clock information of a host computer carried in a heartbeat issuing command, and performing clock calibration according to the clock information of the host computer; or extracting the clock information of the upper network relay device carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the upper network relay device.
Further, the device is also used for: monitoring a control instruction received by a connected slave machine in a current heartbeat period; the control instruction comprises an operation instruction of a user on the slave; if the control command is monitored, generating a heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to the upper network relay device.
Further, the device is also used for: and in the current heartbeat period, if the control instruction received by the slave is not monitored, generating a heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the upper-level network relay equipment.
Further, after the first monitoring module 91, the apparatus is further configured to: starting a timing function; and if the heartbeat uploading command is not monitored within the preset timing time, sending the heartbeat uploading command to the upper network relay equipment according to a preset third time interval.
Corresponding to the method embodiment in fig. 8, the embodiment of the invention provides a communication device of a smoke evacuation system, which is applied to a host of the smoke evacuation system, wherein the smoke evacuation system comprises at least one slave and at least one network relay device, and the host and the at least one slave are communicated through the network relay device. As shown in fig. 10, the apparatus includes a transmitting module 101, a receiving module 102, and a control module 103 connected in sequence, where functions of the respective modules are as follows:
a sending module 101, configured to send a heartbeat issuing command to a network relay device according to a preset time interval;
a receiving module 102, configured to receive, in a current heartbeat cycle, a heartbeat uploading command uploaded by the network relay device based on a heartbeat downloading command;
the control module 103 is configured to control an operation state of the slave machine based on the operation instruction if the heartbeat upload command includes the operation instruction of the slave machine by the user.
The communication device of the smoke exhaust system provided by the embodiment of the invention has the same technical characteristics as the communication method of the smoke exhaust system provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
On the basis of the embodiment, the embodiment of the invention also provides a smoke exhaust system, which comprises a host computer, at least one slave computer and at least one network relay device, wherein the host computer and the slave computer are communicated through the network relay device; the network relay equipment of each floor is in communication connection with the slaves of the preset number corresponding to the floor so as to enable the slaves to communicate with the master; the network relay device is provided with the communication device of the smoke evacuation system in fig. 9, and the host is provided with the communication device of the smoke evacuation system in fig. 10. In practical application, the process of communication between the master and the slave in the smoke evacuation system through the network relay device may refer to the foregoing method embodiment, and the embodiment of the present invention is not described in detail herein. In addition, for a smoke exhaust system with wired communication, the method and the device can also realize the communication of the smoke exhaust system.
The embodiment of the invention also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the communication method of the smoke exhaust system provided by the embodiment when executing the computer program.
The embodiment of the invention also provides a computer readable storage medium, and a computer program is stored on the computer readable storage medium, and when the computer program is run by a processor, the steps of the communication method of the smoke exhaust system of the embodiment are executed.
The computer program product provided by the embodiment of the present invention includes a computer readable storage medium storing a program code, where instructions included in the program code may be used to perform the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the above-described smoke evacuation system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer readable storage medium executable by a processor. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A communication method of a smoke evacuation system, characterized in that the smoke evacuation system comprises a master machine and at least one slave machine, and at least one network relay device, wherein the master machine and the at least one slave machine are communicated through the network relay devices, at least one network relay device is sequentially connected, and the network relay devices of each floor are arranged on preset floors, and the network relay devices of each floor are in communication connection with a preset number of the slave machines corresponding to the floors so as to enable the slave machines to be communicated with the master machine;
The method comprises the following steps:
monitoring a heartbeat issuing command in a current heartbeat period;
if the heartbeat issuing command is monitored, extracting clock information carried in the heartbeat issuing command, and performing clock calibration according to the clock information; transmitting the heartbeat issuing command to the subordinate network relay equipment according to a preset first time interval;
monitoring a heartbeat uploading command sent by the subordinate network relay equipment;
if the heartbeat uploading command is monitored, sending the heartbeat uploading command to the upper network relay device according to a preset second time interval, so as to trigger the upper network relay device to continuously send the heartbeat uploading command to the upper level according to the second time interval until the heartbeat uploading command is uploaded to the host;
wherein the method further comprises:
monitoring a control instruction received by the connected slave machine in the current heartbeat period; the control instruction comprises an operation instruction of a user on the slave;
if the control command is monitored, generating the heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to the superior network relay device; or,
And in the current heartbeat period, if the control instruction received by the slave is not monitored, generating the heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the superior network relay device.
2. The method of claim 1, wherein the step of listening for a heartbeat-issuing command comprises:
monitoring the heartbeat issuing command sent by the host; or monitoring the heartbeat issuing command sent by the superior network relay device.
3. The method according to claim 2, wherein the step of extracting clock information carried in the heartbeat issuing command and performing clock calibration according to the clock information comprises:
extracting clock information of the host computer carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the host computer; or,
and extracting clock information of the superior network relay equipment carried in the heartbeat issuing command, and performing clock calibration according to the clock information of the superior network relay equipment.
4. The method of claim 1, wherein after hearing the heartbeat command, the method further comprises:
Starting a timing function;
and if the heartbeat uploading command is not monitored within the preset timing time, sending the heartbeat uploading command to the superior network relay device according to a preset third time interval.
5. A communication method of a smoke evacuation system, wherein the method is applied to a host computer of the smoke evacuation system, the smoke evacuation system comprises at least one slave computer and at least one network relay device, the host computer and the at least one slave computer are communicated through the network relay devices, at least one network relay device is sequentially connected, the network relay devices are arranged on preset floors, and the network relay devices of each floor are in communication connection with a preset number of the slave computers corresponding to the floors so as to enable the slave computers to be communicated with the host computer;
the method comprises the following steps:
sending a heartbeat issuing command to the network relay device according to a preset time interval;
in the current heartbeat period, receiving a heartbeat uploading command uploaded by the network relay device based on the heartbeat downloading command;
if the heartbeat uploading command comprises an operation instruction of a user on the slave machine, controlling the running state of the slave machine based on the operation instruction;
The heartbeat uploading command uploaded by the network relay equipment is obtained according to the following method:
in the current heartbeat period, the network relay equipment monitors a control instruction received by the connected slave; the control instruction comprises an operation instruction of a user on the slave;
if the control command is monitored, generating the heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to a superior network relay device; or,
and in the current heartbeat period, if the network relay equipment does not monitor the control instruction received by the slave, generating the heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the upper-level network relay equipment.
6. A communication apparatus of a smoke evacuation system, characterized in that it is applied to a network relay device of a smoke evacuation system, the smoke evacuation system includes a master computer and at least one slave computer, and at least one network relay device communicates, the master computer communicates with at least one slave computer through the network relay device, at least one network relay device is sequentially connected, and is disposed at a preset floor, the network relay device of each floor is communicatively connected with a preset number of slave computers corresponding to the floor, so that the slave computers communicate with the master computer;
The device comprises:
the first monitoring module is used for monitoring a heartbeat issuing command in the current heartbeat period;
the heartbeat issuing module is used for extracting clock information carried in the heartbeat issuing command if the heartbeat issuing command is monitored, and carrying out clock calibration according to the clock information; transmitting the heartbeat issuing command to the subordinate network relay equipment according to a preset first time interval;
the second monitoring module is used for monitoring a heartbeat uploading command sent by the subordinate network relay equipment;
a heartbeat uploading module, configured to, if the heartbeat uploading command is monitored, send the heartbeat uploading command to an upper network relay device according to a preset second time interval, so as to trigger the upper network relay device to continue sending the heartbeat uploading command to an upper level according to the second time interval until the heartbeat uploading command is uploaded to the host;
wherein, the heartbeat uploading module is further used for:
monitoring a control instruction received by the connected slave machine in the current heartbeat period; the control instruction comprises an operation instruction of a user on the slave;
If the control command is monitored, generating the heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to the superior network relay device; or,
and in the current heartbeat period, if the control instruction received by the slave is not monitored, generating the heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the superior network relay device.
7. A communication apparatus of a smoke evacuation system, wherein a host applied to the smoke evacuation system includes at least one slave and at least one network relay device, the host communicates with at least one slave through the network relay device, at least one network relay device is sequentially connected, and the network relay device is arranged at a preset floor, and the network relay device of each floor is in communication connection with a preset number of slaves corresponding to the floor, so that the slaves communicate with the host;
the device comprises:
the sending module is used for sending a heartbeat issuing command to the network relay equipment according to a preset time interval;
the receiving module is used for receiving a heartbeat uploading command uploaded by the network relay equipment based on the heartbeat downloading command in the current heartbeat period;
The control module is used for controlling the running state of the slave machine based on the operation instruction if the heartbeat uploading instruction comprises the operation instruction of the user on the slave machine;
the heartbeat uploading command uploaded by the network relay equipment is obtained according to the following method:
in the current heartbeat period, the network relay equipment monitors a control instruction received by the connected slave; the control instruction comprises an operation instruction of a user on the slave;
if the control command is monitored, generating the heartbeat uploading command according to the control command and a preset message format, and sending the heartbeat uploading command to a superior network relay device; or,
and in the current heartbeat period, if the network relay equipment does not monitor the control instruction received by the slave, generating the heartbeat uploading command according to a preset message format, and transmitting the heartbeat uploading command to the upper-level network relay equipment.
8. A smoke evacuation system comprising a master, at least one slave, and at least one network relay device, wherein the master and the slave communicate via the network relay device;
At least one network relay device is sequentially connected and arranged on a preset floor, and the network relay device of each floor is in communication connection with a preset number of slaves corresponding to the floor so as to enable the slaves to communicate with the master;
wherein the network relay device is provided with the communication device of the smoke evacuation system according to claim 6, and the host is provided with the communication device of the smoke evacuation system according to claim 7.
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