CN109888766A - Bus takes electric equipment and its power consumption control methods, devices and systems, electrical equipment - Google Patents
Bus takes electric equipment and its power consumption control methods, devices and systems, electrical equipment Download PDFInfo
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- CN109888766A CN109888766A CN201910284050.XA CN201910284050A CN109888766A CN 109888766 A CN109888766 A CN 109888766A CN 201910284050 A CN201910284050 A CN 201910284050A CN 109888766 A CN109888766 A CN 109888766A
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- transmission line
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Abstract
This disclosure relates to which a kind of bus takes electric equipment and its power consumption control methods, devices and systems, electrical equipment.It includes: to obtain current transmission line voltage that the bus, which takes electric equipment power consumption control method, wherein, the current transmission line voltage takes the current voltage between the endpoint of electric equipment side two in bus for two transmission lines, and the two transmission lines setting takes between electric equipment and Bus Powered Device in bus；Compare current transmission line voltage and predetermined voltage threshold；According to the comparison result of current transmission line voltage and predetermined voltage threshold, determine whether that the first load and the second load take electricity.The bus of the disclosure takes electric equipment that can allow high power load only in the work of power supply period by the duty cycle of control high power load, and communication time period only maintains low-power load to work, to achieve the purpose that reduce energy storage capacitor.
Description
Technical field
This disclosure relates to electrical equipment control field, in particular to a kind of bus takes electric equipment and its power consumption control method, apparatus
With system, electrical equipment.
Background technique
RS485 bus is widely used in industry due to having many advantages, such as long transmission distance, strong antijamming capability, at low cost
The fields such as control, air-conditioning.Since there are two independent power supply lines for the connection of common four line, so that cable consumptive material is more, increase
Cost, and identification sequence is needed when wiring, increase the difficulty of engineering wiring and the probability of error.
Summary of the invention
It is found by the applicant that: the relevant technologies use the scheme of two cores communication, complete to provide power supply and communication by two core wires
Function, cable consumptive material halve, and the nonpolarity requirement of wiring, reduce the difficulty and failure rate of project installation.
Time-sharing multiplex slave computer relies on capacitor electric power storage, and the power increase of slave computer needs corresponding capacitor to increase, exists into
This height, bulky problem.
In view of at least one in the above technical problem, present disclose provides a kind of buses to take electric equipment and its power consumption control
Methods, devices and systems, electrical equipment can reduce the energy storage capacitor that bus takes electric equipment.
According to one aspect of the disclosure, a kind of bus is provided and takes electric equipment power consumption control method, comprising:
Obtain current transmission line voltage, wherein the current transmission line voltage takes electric equipment in bus for two transmission lines
Current voltage between the endpoint of side two, the two transmission lines setting take between electric equipment and Bus Powered Device in bus；
Compare current transmission line voltage and predetermined voltage threshold；
According to the comparison result of current transmission line voltage and predetermined voltage threshold, the first load and second are determined whether
Load takes electricity.
In some embodiments of the present disclosure, the predetermined voltage threshold includes the first predetermined voltage threshold, wherein described
First predetermined voltage threshold is less than supply voltage；
The comparison result according to current transmission line voltage and predetermined voltage threshold, determine whether the first load and
Second load takes the electricity to include:
In the case where current transmission line voltage is greater than the first predetermined voltage threshold, determine that transmission line is in power supply state,
The first load and the second load is allowed to take electricity from transmission line.
In some embodiments of the present disclosure, it is described according to current transmission line voltage compared with predetermined voltage threshold knot
Fruit determines whether that the first load and the second load take electricity further include:
In the case where current transmission line voltage is less than the first predetermined voltage threshold, determine that transmission line is in communications status,
The first load of control stops working, and the second load is allowed to take electricity from energy storage capacitor.
In some embodiments of the present disclosure, the predetermined voltage threshold further includes the second predetermined voltage threshold, wherein institute
The second predetermined voltage threshold is stated less than first predetermined voltage threshold；
The comparison result according to current transmission line voltage and predetermined voltage threshold, determine whether the first load and
Second load takes electricity further include:
In the case where current transmission line voltage is less than the second predetermined voltage threshold, determine that transmission line is in communications status,
The first load of control stops working, and the second load is allowed to take electricity from energy storage capacitor.
In some embodiments of the present disclosure, first load includes PM2.5 sensor, CO2Sensor and millimeter wave
At least one of in radar.
In some embodiments of the present disclosure, second load includes communication module, input/output module and display mould
At least one of in block.
In some embodiments of the present disclosure, first load is high power load, and second load is small-power
Load.
According to another aspect of the present disclosure, a kind of bus is provided and takes electric equipment power consumption control device, comprising:
Voltage acquisition unit, for obtaining current transmission line voltage, wherein the current transmission line voltage is two transmission
Line takes the current voltage between the endpoint of electric equipment side two in bus, and the two transmission lines setting takes electric equipment and total in bus
Between line power supply unit；
Comparing unit, for comparing current transmission line voltage and predetermined voltage threshold；
Control unit is determined whether for the comparison result according to current transmission line voltage and predetermined voltage threshold
First load and the second load take electricity.
In some embodiments of the present disclosure, the bus take electric equipment power consumption control device for execute realize such as it is above-mentioned
Bus described in any embodiment takes the operation of electric equipment power consumption control method.
According to another aspect of the present disclosure, a kind of bus is provided and takes electric equipment power consumption control device, comprising:
Memory, for storing instruction；
Processor, for executing described instruction, so that described device execution realization is total as described in above-mentioned any embodiment
Line takes the operation of electric equipment power consumption control method.
According to another aspect of the present disclosure, a kind of bus is provided and takes electric equipment, comprising:
Voltage check device for detecting current transmission line voltage, and is sent to bus and takes electric equipment power consumption control device；
Bus takes electric equipment power consumption control device, takes electric equipment power consumption control for the bus as described in above-mentioned any embodiment
Device；
First load and the second load, for taking the instruction of electric equipment power consumption control device according to bus, it is determined whether from
Transmission line takes electricity.
In some embodiments of the present disclosure, the bus takes electric equipment further include:
Energy storage capacitor, for taking the instruction of electric equipment power consumption control device according to bus, it is determined whether to first load and
Second load supplying.
According to another aspect of the present disclosure, a kind of bus system is provided, comprising:
Bus Powered Device takes power supply and the traffic operation that alternate cycles are carried out between electric equipment for bus, wherein
Electric equipment is taken to power to bus by transmission line in the first predetermined time；Later, electricity consumption power supply is disconnected, it is logical in the second predetermined time
It crosses transmission line and takes electric equipment to be communicated with bus；
Bus takes electric equipment, takes electric equipment for the bus as described in above-mentioned any embodiment.
According to another aspect of the present disclosure, a kind of electrical equipment is provided, including the bus as described in above-mentioned any embodiment
System.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, realizes that the bus as described in above-mentioned any embodiment takes when described instruction is executed by processor
Electric equipment power consumption control method.
The bus of the disclosure takes electric equipment (slave computer) to allow high power load by the duty cycle of control high power load
Only in the work of power supply period, communication time period only maintains low-power load to work, to achieve the purpose that reduce energy storage capacitor.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of some embodiments of disclosure bus system.
Fig. 2 is the schematic diagram of other embodiments of disclosure bus system.
Fig. 3 is the schematic diagram that disclosure bus takes some embodiments of electric equipment.
Fig. 4 is the schematic diagram that disclosure bus takes some embodiments of electric equipment power consumption control method.
Fig. 5 is the schematic diagram that disclosure bus takes other embodiments of electric equipment power consumption control method.
Fig. 6 is the schematic diagram that disclosure bus takes some embodiments of electric equipment power consumption control device.
Fig. 7 is the schematic diagram that disclosure bus takes other embodiments of electric equipment power consumption control device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the schematic diagram of some embodiments of disclosure bus system.As shown in Figure 1, disclosure bus system can wrap
It includes Bus Powered Device 11 and at least one bus takes electric equipment 12, in which:
In some embodiments of the present disclosure, Bus Powered Device 11 can be implemented as host computer, and bus takes electric equipment 12
It can be implemented as slave computer.
Bus Powered Device 11 takes power supply and the traffic operation that alternate cycles are carried out between electric equipment 12 for bus,
Wherein, electric equipment is taken to power to bus by transmission line in the first predetermined time；Later, electricity consumption power supply is disconnected, it is predetermined second
Time takes electric equipment to be communicated by transmission line with bus.
In some embodiments of the present disclosure, Bus Powered Device 11 and bus take electric equipment 12 total using RS485
Line is communicated and is powered.
In some embodiments of the present disclosure, RS485 bus system uses time-sharing multiplexing technology, it is only necessary to which both threads connect
It connects, as shown in Figure 1, can be achieved at the same time power supply and communication that bus takes electric equipment 12.
In some embodiments of the present disclosure, specific control logic can be with are as follows: powers on rear Bus Powered Device 11 to communication
The DC voltage of 24V is loaded on line, bus takes the storage capacitor in electric equipment 12 to start to charge at this time, and bus takes after a certain period of time
Storage capacitor charging in electric equipment 12, which reaches voltage rating, can start to work normally, and then Bus Powered Device 11 passes through control
Circuit processed disconnects power supply, does not have supply voltage on communication line at this time, can carry out normal RS485 communication, bus takes electricity
Equipment 12 charges again after the communication of one circulation, successively follows by the corona discharge work of itself storage capacitor storage
Ring.
Bus takes electric equipment 12, for obtaining current transmission line voltage, wherein the current transmission line voltage is two biographies
Defeated line takes the current voltage between the endpoint of electric equipment side two in bus, the two transmission lines setting bus take electric equipment and
Between Bus Powered Device；Compare current transmission line voltage and predetermined voltage threshold；According to current transmission line voltage and predetermined electricity
The comparison result for pressing threshold value determines whether that the first load and the second load take electricity.
In some embodiments of the present disclosure, first load may include PM2.5 sensor, CO2Sensor and milli
At least one of in the load such as metre wave radar.
In some embodiments of the present disclosure, second load may include communication module, input/output module and show
Show at least one in the load such as module.
In some embodiments of the present disclosure, second load may include communication module, key and liquid crystal display mode
At least one of in the load such as block.
In some embodiments of the present disclosure, first load is high power load, and second load is small-power
Load.
In some embodiments of the present disclosure, first load can take the external load of electric equipment for bus, described
Second load can take itself functional module of electric equipment for bus.
Fig. 2 is the schematic diagram of other embodiments of disclosure bus system.As shown in Fig. 2, disclosure bus system can be with
Electric equipment 12 is taken including Bus Powered Device 11 and bus, in which:
Time-sharing multiplex bus takes electric equipment (slave computer) 12 to rely on capacitor electric power storage, as shown in Fig. 2, when bus takes electric equipment to increase
In the case where increasing power termination such as PM2.5 sensor, CO2 sensor, the load of millimetre-wave radar first, energy storage capacitor power consumption
It greatly speeds up, charges next time to guarantee that the electricity discharged in communication period energy storage capacitor supports to enough, bus takes electricity to set
The standby energy storage capacitor capacity needed increases therewith.
Bus takes electric equipment 12, for obtaining current transmission line voltage, wherein the current transmission line voltage is two biographies
Defeated line takes the current voltage between the endpoint of electric equipment side two (such as B, D two-end-point of Fig. 2 embodiment) in bus, and described two
Transmission line setting takes between electric equipment and Bus Powered Device in bus；Compare current transmission line voltage and predetermined voltage threshold；
In the case where current transmission line voltage is greater than the first predetermined voltage threshold, determines that transmission line is in power supply state, allow first
Load and the second load take electricity from transmission line；In the case where current transmission line voltage is less than the first predetermined voltage threshold, determine
Transmission line is in communications status, and the first load of control stops working, and the second load is allowed to take electricity from energy storage capacitor.
In some embodiments of the present disclosure, the predetermined voltage threshold includes the first predetermined voltage threshold, wherein described
First predetermined voltage threshold is less than supply voltage.
It include that (first is pre- for a predetermined voltage threshold in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value) in the case where, supply voltage can be 24V, and first predetermined voltage threshold can be 15V.
Based on disclosure bus system provided by the above embodiment, although bus takes the mean power of electric equipment fixed,
Be that requirement of the section work to capacitor electric power storage is different in different times, work if it is during power supply, electric current directly from
Bus is provided by Bus Powered Device, does not need to take electricity from energy storage capacitor, if it is in communication period, is then needed by accumulation of energy
Capacitor provides.
Disclosure above-described embodiment bus takes electric equipment (slave computer) by the duty cycle of control high power load, allows big
Power termination is only in the work of power supply period, the loaded work piece that communication time period only maintains small-power that must work, to reach reduction
The purpose of energy storage capacitor.
Fig. 3 is the schematic diagram that disclosure bus takes some embodiments of electric equipment.As shown in figure 3, disclosure bus takes electricity to set
Standby (such as the bus of Fig. 1 or Fig. 2 embodiment takes electric equipment 12) may include that voltage check device 31, bus take electric equipment electricity consumption
The load of control device 32, first 33 and the second load 34, in which:
Voltage check device 31 for detecting current transmission line voltage, and is sent to bus and electric equipment power consumption control is taken to fill
Set 32, wherein the current transmission line voltage be two transmission lines bus take the endpoint of electric equipment side two (such as Fig. 2 implement
B, D two-end-point of example) between current voltage, two transmission lines setting bus take electric equipment and Bus Powered Device it
Between.
Bus takes electric equipment power consumption control device 32, for obtaining current transmission line voltage, wherein the current transmission line
Voltage takes the current voltage between the endpoint of electric equipment side two in bus for two transmission lines, and two transmission lines are arranged total
Line takes between electric equipment and Bus Powered Device；Compare current transmission line voltage and predetermined voltage threshold；According to current transmission line
The comparison result of voltage and predetermined voltage threshold determines whether that the first load and the second load take electricity.
First load 33 and the second load 34, for taking the instruction of electric equipment power consumption control device according to bus, determination is
It is no to take electricity from transmission line.
In some embodiments of the present disclosure, as described in Figure 3, it can also include energy storage capacitor that the bus, which takes electric equipment,
35, in which:
Energy storage capacitor 35, for taking the instruction of electric equipment power consumption control device according to bus, it is determined whether to the first load
With the second load supplying.
In some embodiments of the present disclosure, bus take electric equipment power consumption control device 32 can be also used for obtain work as forward pass
Defeated line voltage；Compare current transmission line voltage and predetermined voltage threshold；It is greater than the first predetermined voltage threshold in current transmission line voltage
In the case where value, determine that transmission line is in power supply state, the first load and the second load is allowed to take electricity from transmission line；Working as forward pass
In the case that defeated line voltage is less than the first predetermined voltage threshold, determine that transmission line is in communications status, the first load of control stops
Work allows the second load to take electricity from energy storage capacitor 35.
In some embodiments of the present disclosure, bus take electric equipment power consumption control device 32 can be also used for obtain work as forward pass
Defeated line voltage；Compare current transmission line voltage and predetermined voltage threshold；It is greater than the first predetermined voltage threshold in current transmission line voltage
In the case where value, determine that transmission line is in power supply state, the first load and the second load is allowed to take electricity from transmission line；Working as forward pass
In the case that defeated line voltage is less than the second predetermined voltage threshold, determine that transmission line is in communications status, the first load of control stops
Work allows the second load to take electricity from energy storage capacitor.
In some embodiments of the present disclosure, first predetermined voltage threshold is less than supply voltage, and described second is predetermined
Voltage threshold is less than first predetermined voltage threshold.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, supply voltage can be 24V, and the first predetermined voltage threshold can be with
For 20V, the second predetermined voltage threshold can be 10V.
Electric equipment is taken based on disclosure bus provided by the above embodiment, is recognized when voltage is greater than the first predetermined voltage threshold
It is charging for energy storage capacitor, is allowing high power load to work at this time, high power load can directly take electricity from transmission line；Work as electricity
It is considered communicating when pressure is less than the second predetermined voltage threshold, this stage stops high power load, only allows low power load
Operation, such as communication, key, liquid crystal display.Disclosure above-described embodiment is by the control program of this electricity consumption of staggering the time, even if always
Line takes electric equipment to continue growing high power load, can not also increase the capacitance of storage capacitor.
Fig. 4 is the schematic diagram that disclosure bus takes some embodiments of electric equipment power consumption control method.Preferably, the present embodiment
Electric equipment power consumption control device (such as the bus of Fig. 3 embodiment takes electric equipment power consumption control device 32) can be taken to execute by bus.
Method includes the following steps:
Step 41, current transmission line voltage is obtained, wherein the current transmission line voltage is that two transmission lines take in bus
Current voltage between the endpoint of electric equipment side two (such as B, D two-end-point of Fig. 2 embodiment), the two transmission lines setting exist
Bus takes between electric equipment and Bus Powered Device.
Step 42, compare current transmission line voltage and predetermined voltage threshold.
Step 43, according to the comparison result of current transmission line voltage and predetermined voltage threshold, determine whether that first is negative
It carries and the second load takes electricity.
In some embodiments of the present disclosure, first load may include PM2.5 sensor, CO2Sensor and milli
At least one of in the load such as metre wave radar.
In some embodiments of the present disclosure, second load may include communication module, input/output module and show
Show at least one in the load such as module.
In some embodiments of the present disclosure, second load may include communication module, key and liquid crystal display mode
At least one of in the load such as block.
In some embodiments of the present disclosure, first load is high power load, and second load is small-power
Load.
In some embodiments of the present disclosure, first load can take the external load of electric equipment for bus, described
Second load can take itself functional module of electric equipment for bus.
In some embodiments of the present disclosure, the predetermined voltage threshold may include the first predetermined voltage threshold, wherein
First predetermined voltage threshold is less than supply voltage.
In the case where the predetermined voltage threshold may include the first predetermined voltage threshold, the step 43 of Fig. 4 embodiment
It may include: to determine that transmission line is in power supply state in the case where current transmission line voltage is greater than the first predetermined voltage threshold,
The first load and the second load is allowed to take electricity from transmission line；The case where current transmission line voltage is less than the first predetermined voltage threshold
Under, determine that transmission line is in communications status, the first load of control stops working, and the second load is allowed to take electricity from energy storage capacitor.
It include that (first is pre- for a predetermined voltage threshold in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value) in the case where, supply voltage can be 24V, and first predetermined voltage threshold can be 15V.
In other embodiments of the disclosure, the predetermined voltage threshold may include the first predetermined voltage threshold and
Two predetermined voltage thresholds, wherein second predetermined voltage threshold is less than first predetermined voltage threshold.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, the step 43 of Fig. 4 embodiment may include: in current transmission line
In the case that voltage is greater than the first predetermined voltage threshold, determine that transmission line is in power supply state, allows first to load and second is negative
It carries from transmission line and takes electricity；In the case where current transmission line voltage is less than the second predetermined voltage threshold, determine that transmission line is in logical
Letter state, the first load of control stop working, and the second load is allowed to take electricity from energy storage capacitor.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, supply voltage can be 24V, and the first predetermined voltage threshold can be with
For 20V, the second predetermined voltage threshold can be 10V.
Electric equipment power consumption control method is taken based on disclosure bus provided by the above embodiment, bus takes being averaged for electric equipment
Although power is fixed, requirement of the section work to capacitor electric power storage in different times is different, if it is during power supply
Work, electric current directly provide from bus by Bus Powered Device, do not need to take electricity from energy storage capacitor, if it is in communication period
Between, then it needs to be provided by energy storage capacitor.
Disclosure above-described embodiment bus takes electric equipment (slave computer) by the duty cycle of control high power load, allows big
Power termination is only in the work of power supply period, the loaded work piece that communication time period only maintains small-power that must work, to reach reduction
The purpose of energy storage capacitor.
Fig. 5 is the schematic diagram that disclosure bus takes other embodiments of electric equipment power consumption control method.Preferably, this implementation
Example can be taken electric equipment power consumption control device (such as the bus of Fig. 3 embodiment takes electric equipment power consumption control device 32) to hold by bus
Row.Method includes the following steps:
Step 51, current transmission line voltage is obtained, wherein the current transmission line voltage is that two transmission lines take in bus
Current voltage between the endpoint of electric equipment side two, two transmission lines, which are arranged, takes electric equipment and Bus Powered Device in bus
Between.
Step 52, judge whether current transmission line voltage is greater than the first predetermined voltage threshold.It is big in current transmission line voltage
In the case where the first predetermined voltage threshold, step 53 is executed；Otherwise, it is not more than the first predetermined voltage in current transmission line voltage
In the case where threshold value, step 54 is executed.
Step 53, determine that transmission line is in power supply state, the first load and the second load is allowed to take electricity from transmission line.
Step 54, judge current transmission line voltage whether less than the second predetermined voltage threshold.It is small in current transmission line voltage
In the case where the second predetermined voltage threshold, step 55 is executed；Otherwise, it is not less than the second predetermined voltage in current transmission line voltage
In the case where threshold value, step 52 is repeated.
Step 55, determine that transmission line is in communications status, the first load of control stops working, and allows the second load from accumulation of energy
Capacitor takes electricity.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, supply voltage can be 24V, and the first predetermined voltage threshold can be with
For 20V, the second predetermined voltage threshold can be 10V.
Electric equipment power consumption control method is taken based on disclosure bus provided by the above embodiment, is made a reservation for when voltage is greater than first
Think that energy storage capacitor is charging when voltage threshold, allows high power load to work at this time, high power load can be directly from transmission
Electricity is taken on line；It is considered communicating when voltage is less than the second predetermined voltage threshold, this stage stops high power load, only allows
Low power load running, such as communication, key, liquid crystal display.The control that disclosure above-described embodiment passes through this electricity consumption of staggering the time
Scheme processed can not also increase the capacitance of storage capacitor even if bus takes electric equipment to continue growing high power load.
Compared with the technical solution for including a predetermined voltage threshold, disclosure above-described embodiment uses two predetermined voltages
Threshold value (the first predetermined voltage threshold and the second predetermined voltage threshold), i.e. a rising edge threshold value and a failing edge threshold value, from
And when can fluctuate larger to avoid current transmission line voltage, using a predetermined voltage threshold, the first load and the second load
The technical issues of way to take power frequent switching.
Fig. 6 is the schematic diagram that disclosure bus takes some embodiments of electric equipment power consumption control device.As shown in fig. 6, this public affairs
Opening bus takes the electric equipment power consumption control device (such as the bus of Fig. 3 embodiment takes electric equipment power consumption control device 32) to may include
Voltage acquisition unit 321, comparing unit 322 and control unit 323, in which:
Voltage acquisition unit 321, for obtaining current transmission line voltage, wherein the current transmission line voltage is two
Transmission line takes the current voltage between the endpoint of electric equipment side two (such as B, D two-end-point of Fig. 2 embodiment) in bus, and described two
Transmission lines setting takes between electric equipment and Bus Powered Device in bus.
Comparing unit 322, for comparing current transmission line voltage and predetermined voltage threshold.
Control unit 323 judges whether to permit for the comparison result according to current transmission line voltage and predetermined voltage threshold
Perhaps the first load and the second load take electricity.
In some embodiments of the present disclosure, first load may include PM2.5 sensor, CO2Sensor and milli
At least one of in the load such as metre wave radar.
In some embodiments of the present disclosure, second load may include communication module, input/output module and show
Show at least one in the load such as module.
In some embodiments of the present disclosure, second load may include communication module, key and liquid crystal display mode
At least one of in the load such as block.
In some embodiments of the present disclosure, first load is high power load, and second load is small-power
Load.
In some embodiments of the present disclosure, first load can take the external load of electric equipment for bus, described
Second load can take itself functional module of electric equipment for bus.
In some embodiments of the present disclosure, the predetermined voltage threshold may include the first predetermined voltage threshold, wherein
First predetermined voltage threshold is less than supply voltage.
In the case where the predetermined voltage threshold may include the first predetermined voltage threshold, control unit 323 can be used
In in the case where current transmission line voltage is greater than the first predetermined voltage threshold, determine that transmission line be in power supply state, permission the
One load and the second load take electricity from transmission line；In the case where current transmission line voltage is less than the first predetermined voltage threshold, sentence
Determine transmission line and be in communications status, the first load of control stops working, and the second load is allowed to take electricity from energy storage capacitor.
It include that (first is pre- for a predetermined voltage threshold in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value) in the case where, supply voltage can be 24V, and first predetermined voltage threshold can be 15V.
In other embodiments of the disclosure, the predetermined voltage threshold may include the first predetermined voltage threshold and
Two predetermined voltage thresholds, wherein second predetermined voltage threshold is less than first predetermined voltage threshold.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, control unit 323 can be used for being greater than in current transmission line voltage
In the case where first predetermined voltage threshold, determine that transmission line is in power supply state, allows the first load and the second load from transmission
Line takes electricity；In the case where current transmission line voltage is less than the second predetermined voltage threshold, determines that transmission line is in communications status, control
The first load of system stops working, and the second load is allowed to take electricity from energy storage capacitor.
It include that (first is pre- for two predetermined voltage thresholds in the predetermined voltage threshold in some embodiments of the present disclosure
Constant voltage threshold value and the second predetermined voltage threshold) in the case where, supply voltage can be 24V, and the first predetermined voltage threshold can be with
For 20V, the second predetermined voltage threshold can be 10V.
In some embodiments of the present disclosure, the bus take electric equipment power consumption control device for execute realize such as it is above-mentioned
Bus described in any embodiment (such as Fig. 4 or Fig. 5 embodiment) takes the operation of electric equipment power consumption control method.
Electric equipment power consumption control device is taken based on disclosure bus provided by the above embodiment, bus takes being averaged for electric equipment
Although power is fixed, requirement of the section work to capacitor electric power storage in different times is different, if it is during power supply
Work, electric current directly provide from bus by Bus Powered Device, do not need to take electricity from energy storage capacitor, if it is in communication period
Between, then it needs to be provided by energy storage capacitor.
Disclosure above-described embodiment bus takes electric equipment (slave computer) by the duty cycle of control high power load, allows big
Power termination is only in the work of power supply period, the loaded work piece that communication time period only maintains small-power that must work, to reach reduction
The purpose of energy storage capacitor.
Fig. 7 is the schematic diagram that disclosure bus takes other embodiments of electric equipment power consumption control device.As shown in fig. 7, this
Open bus takes electric equipment power consumption control device (such as the bus of Fig. 3 embodiment takes electric equipment power consumption control device 32) can wrap
Include memory 328 and processor 329, in which:
Memory 328, for storing instruction.
Processor 329, for executing described instruction, so that described device execution realization such as above-mentioned any embodiment (such as
Fig. 4 or Fig. 5 embodiment) described in bus take the operation of electric equipment power consumption control method.
Electric equipment power consumption control device is taken based on disclosure bus provided by the above embodiment, is made a reservation for when voltage is greater than first
Think that energy storage capacitor is charging when voltage threshold, allows high power load to work at this time, high power load can be directly from transmission
Electricity is taken on line；It is considered communicating when voltage is less than the second predetermined voltage threshold, this stage stops high power load, only allows
Low power load running, such as communication, key, liquid crystal display.The control that disclosure above-described embodiment passes through this electricity consumption of staggering the time
Scheme processed can not also increase the capacitance of storage capacitor even if bus takes electric equipment to continue growing high power load.
According to another aspect of the present disclosure, a kind of electrical equipment is provided, including as above-mentioned any embodiment (such as Fig. 1 or
Fig. 2 embodiment) described in bus system.
In some embodiments of the present disclosure, the electrical equipment can be the electrical equipments such as air-conditioning.
In some embodiments of the present disclosure, for the electrical equipments such as air-conditioning, bus-powered in bus system is set
It is standby to can be implemented as mainboard；Bus in bus system takes electric equipment to can be implemented as line control machine.
Based on disclosure electrical equipment provided by the above embodiment, although bus takes the mean power of electric equipment fixed,
Be that requirement of the section work to capacitor electric power storage is different in different times, work if it is during power supply, electric current directly from
Bus is provided by Bus Powered Device, does not need to take electricity from energy storage capacitor, if it is in communication period, is then needed by accumulation of energy
Capacitor provides.
Disclosure above-described embodiment bus takes electric equipment that can allow high-power by the duty cycle of control high power load
Load is only in the work of power supply period, the loaded work piece that communication time period only maintains small-power that must work, to reach reduction accumulation of energy
The purpose of capacitor.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, is realized when described instruction is executed by processor such as above-mentioned any embodiment (such as Fig. 4 or figure
5 embodiments) described in bus take electric equipment power consumption control method.
Based on disclosure computer readable storage medium provided by the above embodiment, when voltage is greater than the first predetermined voltage threshold
Think that energy storage capacitor is charging when value, allow high power load to work at this time, high power load can directly take from transmission line
Electricity；It is considered communicating when voltage is less than the second predetermined voltage threshold, this stage stops high power load, only allows small-power
Load running, such as communication, key, liquid crystal display.Disclosure above-described embodiment by the control program of this electricity consumption of staggering the time,
Even if bus takes electric equipment to continue growing high power load, the capacitance of storage capacitor can not also be increased.
It is described herein for executing that bus described above takes electric equipment power consumption control device can be implemented as
General processor, programmable logic controller (PLC) (PLC), the digital signal processor (DSP), specific integrated circuit of function
(ASIC), field programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components or it is any appropriately combined.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, can also indicate that relevant hardware is completed by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The description of the disclosure is given for the purpose of illustration and description, and is not exhaustively or by the disclosure
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
Embodiment is stated and be the principle and practical application in order to more preferably illustrate the disclosure, and those skilled in the art is enable to manage
The solution disclosure is to design various embodiments suitable for specific applications with various modifications.
Claims (14)
1. a kind of bus takes electric equipment power consumption control method characterized by comprising
Obtain current transmission line voltage, wherein the current transmission line voltage takes electric equipment side two in bus for two transmission lines
Current voltage between a endpoint, the two transmission lines setting take between electric equipment and Bus Powered Device in bus；
Compare current transmission line voltage and predetermined voltage threshold；
According to the comparison result of current transmission line voltage and predetermined voltage threshold, the first load and the second load are determined whether
Take electricity.
2. bus according to claim 1 takes electric equipment power consumption control method, which is characterized in that the predetermined voltage threshold
Including the first predetermined voltage threshold, wherein first predetermined voltage threshold is less than supply voltage；
The comparison result according to current transmission line voltage and predetermined voltage threshold, determines whether the first load and second
Load takes the electricity to include:
In the case where current transmission line voltage is greater than the first predetermined voltage threshold, determines that transmission line is in power supply state, allow
First load and the second load take electricity from transmission line.
3. bus according to claim 2 takes electric equipment power consumption control method, which is characterized in that described according to current transmission
The comparison result of line voltage and predetermined voltage threshold determines whether that the first load and the second load take electricity further include:
In the case where current transmission line voltage is less than the first predetermined voltage threshold, determines that transmission line is in communications status, control
First load stops working, and the second load is allowed to take electricity from energy storage capacitor.
4. bus according to claim 2 takes electric equipment power consumption control method, which is characterized in that the predetermined voltage threshold
It further include the second predetermined voltage threshold, wherein second predetermined voltage threshold is less than first predetermined voltage threshold；
The comparison result according to current transmission line voltage and predetermined voltage threshold, determines whether the first load and second
Load takes electricity further include:
In the case where current transmission line voltage is less than the second predetermined voltage threshold, determines that transmission line is in communications status, control
First load stops working, and the second load is allowed to take electricity from energy storage capacitor.
5. bus described in any one of -4 takes electric equipment power consumption control method according to claim 1, which is characterized in that
First load includes PM2.5 sensor, CO2At least one of in sensor and millimetre-wave radar；
And/or
Second load includes at least one in communication module, input/output module and display module.
6. bus described in any one of -4 takes electric equipment power consumption control method according to claim 1, which is characterized in that
First load is high power load, and second load is low-power load.
7. a kind of bus takes electric equipment power consumption control device characterized by comprising
Voltage acquisition unit, for obtaining current transmission line voltage, wherein the current transmission line voltage is that two transmission lines exist
Bus takes the current voltage between the endpoint of electric equipment side two, and the two transmission lines setting takes electric equipment and bus to supply in bus
Between electric equipment；
Comparing unit, for comparing current transmission line voltage and predetermined voltage threshold；
Control unit determines whether first for the comparison result according to current transmission line voltage and predetermined voltage threshold
Load and the second load take electricity.
8. bus according to claim 7 takes electric equipment power consumption control device, which is characterized in that the bus takes electric equipment
Power consumption control device is for executing realization as bus of any of claims 1-6 takes electric equipment power consumption control method
Operation.
9. a kind of bus takes electric equipment power consumption control device characterized by comprising
Memory, for storing instruction；
Processor is realized so that described device executes as of any of claims 1-6 total for executing described instruction
Line takes the operation of electric equipment power consumption control method.
10. a kind of bus takes electric equipment characterized by comprising
Voltage check device for detecting current transmission line voltage, and is sent to bus and takes electric equipment power consumption control device；
Bus takes electric equipment power consumption control device, takes electric equipment with automatically controlled for bus as claimed in any one of claims 7-9
Device processed；
First load and the second load, for taking the instruction of electric equipment power consumption control device according to bus, it is determined whether from transmission
Line takes electricity.
11. bus according to claim 10 takes electric equipment, which is characterized in that further include:
Energy storage capacitor, for taking the instruction of electric equipment power consumption control device according to bus, it is determined whether to the first load and second
Load supplying.
12. a kind of bus system, which is characterized in that take electric equipment including Bus Powered Device and at least one bus, in which:
Bus Powered Device takes power supply and the traffic operation that alternate cycles are carried out between electric equipment for bus, wherein the
One predetermined time took electric equipment to power by transmission line to bus；Later, electricity consumption power supply is disconnected, passes through biography in the second predetermined time
Defeated line takes electric equipment to be communicated with bus；
Bus takes electric equipment, takes electric equipment for bus as described in claim 10 or 11.
13. a kind of electrical equipment, which is characterized in that including bus system as claimed in claim 12.
14. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, is realized when described instruction is executed by processor as bus of any of claims 1-6 takes electric equipment power consumption control
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284050.XA CN109888766B (en) | 2019-04-10 | 2019-04-10 | Bus electricity taking equipment, electricity utilization control method, device and system thereof, and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284050.XA CN109888766B (en) | 2019-04-10 | 2019-04-10 | Bus electricity taking equipment, electricity utilization control method, device and system thereof, and electrical equipment |
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| CN109888766A true CN109888766A (en) | 2019-06-14 |
| CN109888766B CN109888766B (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110854951A (en) * | 2019-11-12 | 2020-02-28 | 珠海格力电器股份有限公司 | Power supply system for high-power air conditioner wire controller, air conditioner and power supply method |
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| CN109888766B (en) | 2020-09-15 |
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