CN107218694A - A kind of monitoring method and monitoring system of the health status of air-conditioning - Google Patents
A kind of monitoring method and monitoring system of the health status of air-conditioning Download PDFInfo
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- CN107218694A CN107218694A CN201710288919.9A CN201710288919A CN107218694A CN 107218694 A CN107218694 A CN 107218694A CN 201710288919 A CN201710288919 A CN 201710288919A CN 107218694 A CN107218694 A CN 107218694A
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Abstract
The invention discloses a kind of monitoring method and monitoring system of the health status of air-conditioning, monitoring method includes step：The change t and the flow v in the unit interval of temperature of the refrigerant when flowing through indoor set are obtained, and obtains the input power p of air-conditioning；The energy transformation ratio of air-conditioning is calculated, energy transformation ratio k=tv ρ q/p, wherein q are the specific heat capacity of refrigerant, and ρ is the density of refrigerant；Health status is obtained, health status is worth to according to the ratio of energy transformation ratio and default standard energy conversion ratio；Health status is shown in the display device of air-conditioning or the control of operator is responded, and health status is sent to specified equipment or sent a warning when the health status calculated is less than preset value.This monitoring method and monitoring system can monitor the quality of the health degree of the conversion equipment of air-conditioning so that related personnel can be informed in health status and inform related personnel when health status is less than preset value.
Description
Technical field
The present invention relates to the control aspect of smart home field, more particularly to the health status of air-conditioning, more specifically, relate to
And a kind of monitoring method and monitoring system of the health status of air-conditioning.
Background technology
As people require more and more higher to standard of living, people's smart home is also increasingly favored.Smart home conduct
The Main Trends of The Development of following household, quickly grew in the last few years, and started gradually to capture some high-end markets.Air-conditioning into
To be indispensable in current family, school, company and other public situations are typically fitted with air-conditioning.
As shown in figure 1, in the prior art air conditioner refrigerating when operation principle schematic diagram.During air conditioner refrigerating, outdoor unit it is cold
Condenser by refrigerant by gaseous compressed into liquid, heat will be blown out by discharging the fan inside amount of heat, outdoor unit and blowing later
Wind comes, so summer is all hot blast drum drum by outdoor machine of air-conditioner；Major part is evaporator and fan, refrigeration inside indoor set
Agent evaporation endothermic when by evaporator, indoor atmospheric heat is sucked away, temperature reduce after by evaporator after
The fan in face is blowed, and has just come out cold wind.During air-conditioning heating, indoor set by compressor by refrigerant by gaseous compressed into liquid
Fan inside state, release amount of heat, indoor set blows later will blow out hot blast, and major part is to steam inside outdoor unit
Device and fan are sent out, refrigerant evaporation endothermic when by evaporator, outdoor atmospheric heat is sucked away, and temperature reduces it
Blowed afterwards by the fan behind evaporator, just come out cold wind, so summer is all cool breeze by outdoor machine of air-conditioner.
Air-conditioning is converted to the electric energy of input by its conversion equipment the change of indoor temperature, the health of these conversion equipments
Degree will determine conversion efficiency, also represent the health degree of air-conditioning.In general, air-conditioning is used time is longer, turn
It is more severe that changing device is lost, and health degree is lower, it is necessary to consume more energy to realize identical temperature change, even
When health degree reaches to a certain degree, air-conditioning can not all realize the change of temperature.The health degree of air-conditioning is so important, existing
No technical scheme weighs its health degree to technology, more enters without any technical scheme come the health degree to air-conditioning
Row monitoring.
The content of the invention
The technical problem to be solved in the present invention is, is so weighed for the health degree of above-mentioned air-conditioning in the prior art
Will, no technical scheme weighs its health degree to prior art, more carrys out the health to air-conditioning without any technical scheme
There is provided a kind of monitoring method and monitoring system of the health status of air-conditioning come the technological deficiency that is monitored for degree.
According to the wherein one side of the present invention, there is provided a kind of healthy shape of air-conditioning to solve its technical problem by the present invention
The monitoring method of condition, the air-conditioning has indoor set and outdoor unit, and refrigerant is freezed and flowed in the process indoor set
Radiated during through the outdoor unit, or refrigerant is heated in the process indoor set and inhaled when flowing through the outdoor unit
Heat, comprises the following steps：
S1, the change t and the flow v in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain
The input power p of air-conditioning；
S2, the energy transformation ratio for calculating air-conditioning, energy transformation ratio k=tv ρ q/p, wherein q are the specific heat capacity of refrigerant, ρ
For the density of refrigerant；
S3, obtain health status, health status is according to the energy transformation ratio and the ratio of default standard energy conversion ratio
It is worth to；
S4, show in the display device of the air-conditioning health status or respond the control of operator, by health
Situation sends to specified equipment or sent a warning when the health status calculated is less than preset value.
In the monitoring method of the air-conditioning situation of the present invention, the refrigerant is become when flowing through the condenser of air-conditioning by gaseous state
Heated or radiated for liquid, and gaseous state is changed into from liquid when flowing through the evaporator of air-conditioning and freezed or
Heat absorption.
In the monitoring method of the air-conditioning situation of the present invention, default standard energy conversion ratio is according to following advance progress
Following step acquired in：
A1, the change t0 and the flow v0 in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain
Take the input power p0 of air-conditioning；
A2, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0* ρ * q/p, wherein q are refrigeration
The specific heat capacity of agent, ρ is the density of refrigerant.
In the monitoring method of the air-conditioning situation of the present invention, the flow in the refrigerant unit interval is obtained by flow sensor
Take or using calculating gained after the flow velocity of flow sensor acquisition refrigerant, the flow v wherein in the unit interval is equal to flow velocity
With the cross-sectional area of refrigerant flows through tube.
In the monitoring method of the air-conditioning situation of the present invention, the input power p of air-conditioning is to obtain defeated using current sensor
Enter obtained by electric current, wherein input power p is the product of input current and supply voltage.
The present invention additionally provides a kind of monitoring system of air-conditioning situation, the air-conditioning has room to solve its technical problem
Interior machine and outdoor unit, refrigerant radiate when flowing through the outdoor unit being freezed by the indoor set, or refrigeration
Agent is absorbed heat when flowing through the outdoor unit being heated by the indoor set, including：
Parameter acquiring unit, for obtaining the change t of temperature of the refrigerant when flowing through indoor set and in the unit interval
Flow v, and obtain the input power p of air-conditioning；
Conversion ratio computing unit, the energy transformation ratio for calculating air-conditioning, energy transformation ratio k=tv ρ q/p, wherein q are
The specific heat capacity of refrigerant, ρ is the density of refrigerant；
Health draws unit, and for obtaining health status health status, health status is according to the energy transformation ratio and in advance
If the ratio of standard energy conversion ratio be worth to.
Health treatment unit, for showing the health status or response operator in the display device of the air-conditioning
Control, by health status send to specified equipment or the health status calculated be less than preset value when send alarm signal
Breath.
In the monitoring system of the air-conditioning situation of the present invention, the refrigerant is become when flowing through the condenser of air-conditioning by gaseous state
Heated or radiated for liquid, and gaseous state is changed into from liquid when flowing through the evaporator of air-conditioning and freezed or
Heat absorption.
In the monitoring system of the air-conditioning situation of the present invention, default standard energy conversion ratio is according to following subelements
It is acquired in advance：
Subelement, change t0 and unit interval for obtaining temperature of the refrigerant when flowing through indoor set are obtained in advance
Interior flow v0, and obtain the input power p0 of air-conditioning；
Subelement is precalculated, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0*
ρ * q/p, wherein q are the specific heat capacity of refrigerant, and ρ is the density of refrigerant.
In the monitoring system of the air-conditioning situation of the present invention, the flow in the refrigerant unit interval is obtained by flow sensor
Take or using calculating gained after the flow velocity of flow sensor acquisition refrigerant, the flow v wherein in the unit interval is equal to flow velocity
With the cross-sectional area of refrigerant flows through tube.
In the monitoring system of the air-conditioning situation of the present invention, the input power p of air-conditioning is to obtain defeated using current sensor
Enter obtained by electric current, wherein input power p is the product of input current and supply voltage.
Implement the monitoring method and monitoring system of the air-conditioning situation of the present invention, the health of the conversion equipment of air-conditioning can be monitored
The quality of degree so that related personnel can be informed in health status and inform related personnel when health status is less than preset value.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 be in the prior art air conditioner refrigerating when operation principle schematic diagram；
Fig. 2 is the flow chart of a preferred embodiment of the monitoring method of the air-conditioning situation of the present invention.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail
The embodiment of the present invention.
As shown in Fig. 2 it is the flow chart of a preferred embodiment of the monitoring method of the air-conditioning situation of the present invention for Fig. 2.
In the monitoring method of the health status of the air-conditioning of the present embodiment, air-conditioning has indoor set and outdoor unit, and refrigerant is by room
Interior machine is freezed and radiated when flowing through outdoor unit, or refrigerant is flowing through the room being heated by indoor set
Absorbed heat during outer machine, and correspond to the refrigeration of air-conditioning respectively and heat, it is identical with prior art.In the present embodiment, the prison
Prosecutor method comprises the following steps：
S1, the change t and the flow v in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain
The input power p of air-conditioning.Refrigerant is when flowing through indoor set, otherwise being changed into liquid from gaseous state carries out heat release, otherwise become by liquid
Absorbed heat for gaseous state, i.e., refrigerant is changed into liquid from gaseous state when flowing through the condenser of air-conditioning and is heated or radiated,
And gaseous state is changed into from liquid when flowing through the evaporator of air-conditioning and is freezed or is absorbed heat.No matter which kind of situation, it is all adjoint
The change of temperature, to detect the temperature before change and the temperature after change respectively by temperature sensor.During refrigerant unit
In flow it is acquired or calculate gained after the flow velocity of refrigerant is obtained using flow sensor for flow sensor, wherein
Flow v in unit interval is equal to the cross-sectional area of flow velocity and refrigerant flows through tube.Cross-sectional area can be obtained by producer in advance
Preset after taking, or after manual measurement, then preset.The input power p of air-conditioning is to be obtained using current sensor
Obtained by input current, wherein input power p is the product of input current and supply voltage.Because supply voltage is generally
Know, i.e., the supply voltage of China is 220V, and in other embodiments, it can also be obtained by voltage sensor measurement.
S2, the energy transformation ratio for calculating air-conditioning, energy transformation ratio k=tv ρ q/p during flow, wherein q is the ratio of refrigerant
Thermal capacitance, ρ is the density of refrigerant.Q and ρ size is the general knowledge in this area, and tv ρ q is refrigerant suctions indoors or release
The heat put, only this portion of energy are only useful energy.
S3, obtain health status, health status is according to the energy transformation ratio and the ratio of default standard energy conversion ratio
It is worth to.Default standard energy conversion ratio can be according to obtained by type approval test, can be obtained by self study, or its
His method.Refer to obtained by self study, default standard energy conversion ratio is according to acquired in following following step carried out in advance：
A1, the change t0 and the flow v0 in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain
Take the input power p0 of air-conditioning；
A2, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0* ρ * q/p, wherein q are refrigeration
The specific heat capacity of agent, ρ is the density of refrigerant.
Calculate after default energy transformation ratio, preserved and converted as the energy in this monitoring method with calculating
The standard energy that rate is contrasted.It should be appreciated that general only just carry out self study when confirming that air-conditioning is in a good state of health.
Health status can be ratio between the energy transformation ratio and default energy transformation ratio calculated or
According to this than forms such as the Health Category, the healthy progress bars that are worth to.Default standard energy conversion ratio can be a value,
The change of temperature such as may be divided into n grade according to the different and different of air conditioner refrigeration effect, each grade correspondence one
Individual default standard energy conversion ratio, it is also likely to be other dividing modes.
S4, show in the display device of the air-conditioning health status or respond the control of operator, by health
Situation sends to specified equipment or sent a warning when the health status calculated is less than preset value.By this step
Suddenly, user or other related personnel can learn the health status of air-conditioning in time, can be timely when being in a bad state of health
Maintenance personal is notified to be overhauled or directly changed air-conditioning, it is to avoid the waste of air conditioner energy and to avoid that sky can not be learnt in time
Tune will be damaged, and without the available situation of air-conditioning after air-conditioning damage.
The invention provides another embodiment, the monitoring system for carrying out health status further to air-conditioning of the invention is carried out
Explanation.In the monitoring system of the health status of the present embodiment air-conditioning, air-conditioning has indoor set and outdoor unit, and refrigerant is passing through
The indoor set is freezed and radiated when flowing through the outdoor unit, or refrigerant is heated by the indoor set
And absorbed heat when flowing through the outdoor unit, and correspond to the refrigeration of air-conditioning respectively and heat, it is identical with prior art.This
In embodiment, the monitoring system includes parameter acquiring unit, conversion ratio computing unit, health and draws unit and health treatment list
Member.Parameter acquiring unit obtains the change t and the flow v in the unit interval of temperature of the refrigerant when flowing through indoor set, and
Obtain the input power p of air-conditioning.Then conversion ratio computing unit calculates the energy transformation ratio of air-conditioning, energy transformation ratio k=tv ρ
Q/p, wherein q are the specific heat capacity of refrigerant, and ρ is the density of refrigerant.Health show that unit obtains health status health status, is good for
Health situation is worth to according to the ratio of the energy transformation ratio and default standard energy conversion ratio.Health treatment unit, for
The health status is shown in the display device of the air-conditioning or the control of operator is responded, health status is sent to specified
Equipment or the health status calculated be less than preset value when send a warning.
Wherein, refrigerant is changed into liquid from gaseous state when flowing through the condenser of air-conditioning and is heated or radiated, and
Gaseous state is changed into from liquid when flowing through the evaporator of air-conditioning and is freezed or is absorbed heat.
In the present embodiment, default standard energy conversion ratio is acquired in advance according to following subelements：
Subelement, change t0 and unit interval for obtaining temperature of the refrigerant when flowing through indoor set are obtained in advance
Interior flow v0, and obtain the input power p0 of air-conditioning；
Subelement is precalculated, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0*
ρ * q/p, wherein q are the specific heat capacity of refrigerant, and ρ is the density of refrigerant.
In the present embodiment, the flow in the refrigerant unit interval is that flow sensor is acquired or utilize flow-velocity sensing
Device obtains and gained is calculated after the flow velocity of refrigerant, and flow v wherein in the unit interval is equal to flow velocity and refrigerant flows through tube
Cross-sectional area.The input power p of air-conditioning is that wherein input power p is defeated using obtained by current sensor acquisition input current
Enter the product of electric current and supply voltage.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of monitoring method of the health status of air-conditioning, the air-conditioning has indoor set and outdoor unit, refrigerant is passing through
Indoor set is stated to be freezed and radiated when flowing through the outdoor unit, or refrigerant is being heated by the indoor set
Absorbed heat when flowing through the outdoor unit, it is characterised in that comprise the following steps：
S1, the change t and the flow v in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain air-conditioning
Input power p；
S2, the energy transformation ratio for calculating air-conditioning, energy transformation ratio k=tv ρ q/p, wherein q are the specific heat capacity of refrigerant, and ρ is system
The density of cryogen；
S3, obtain health status, health status is worth according to the ratio of the energy transformation ratio and default standard energy conversion ratio
Arrive；
S4, show in the display device of the air-conditioning health status or respond the control of operator, by health status
Send to specified equipment or sent a warning when the health status calculated is less than preset value.
2. monitoring method according to claim 1, it is characterised in that the refrigerant when flowing through the condenser of air-conditioning by
Gaseous state is changed into liquid and is heated or radiated, and is changed into gaseous state from liquid when flowing through the evaporator of air-conditioning and is made
Cold or heat absorption.
3. monitoring method according to claim 1, it is characterised in that default standard energy conversion ratio is according to following pre-
Acquired in the following step first carried out：
A1, the change t0 and the flow v0 in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set, and obtain sky
The input power p0 of tune；
A2, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0* ρ * q/p, wherein q are refrigerant
Specific heat capacity, ρ is the density of refrigerant.
4. according to the monitoring method described in claim 1, it is characterised in that the flow in the refrigerant unit interval is flow sensor
Gained is calculated after flow velocity acquired or that refrigerant is obtained using flow sensor, the flow v wherein in the unit interval is equal to
The cross-sectional area of flow velocity and refrigerant flows through tube.
5. according to the monitoring method described in claim 1, it is characterised in that the input power p of air-conditioning is to be obtained using current sensor
Take obtained by input current, wherein input power p is the product of input current and supply voltage.
6. a kind of monitoring system of the health status of air-conditioning, the air-conditioning has indoor set and outdoor unit, refrigerant is passing through
Indoor set is stated to be freezed and radiated when flowing through the outdoor unit, or refrigerant is being heated by the indoor set
Absorbed heat when flowing through the outdoor unit, it is characterised in that including：
Parameter acquiring unit, change t and the stream in the unit interval for obtaining temperature of the refrigerant when flowing through indoor set
V is measured, and obtains the input power p of air-conditioning；
Conversion ratio computing unit, the energy transformation ratio for calculating air-conditioning, energy transformation ratio k=tv ρ q/p, wherein q are refrigeration
The specific heat capacity of agent, ρ is the density of refrigerant；
Health draws unit, for obtaining health status health status, health status according to the energy transformation ratio with it is default
The ratio of standard energy conversion ratio is worth to.
Health treatment unit, for showing the health status in the display device of the air-conditioning or responding the control of operator
System, health status is sent to specified equipment or sent a warning when the health status calculated is less than preset value.
7. monitoring system according to claim 6, it is characterised in that the refrigerant when flowing through the condenser of air-conditioning by
Gaseous state is changed into liquid and is heated or radiated, and is changed into gaseous state from liquid when flowing through the evaporator of air-conditioning and is made
Cold or heat absorption.
8. monitoring system according to claim 6, it is characterised in that default standard energy conversion ratio is according to following
Subelement is acquired in advance：
Subelement is obtained in advance, for obtaining the change t0 of temperature of the refrigerant when flowing through indoor set and in the unit interval
Flow v0, and obtain the input power p0 of air-conditioning；
Subelement is precalculated, the default energy transformation ratio for calculating air-conditioning, energy transformation ratio k0=t0*v0* ρ * q/
P, wherein q are the specific heat capacity of refrigerant, and ρ is the density of refrigerant.
9. according to the monitoring system described in claim 6, it is characterised in that the flow in the refrigerant unit interval is flow sensor
Gained is calculated after flow velocity acquired or that refrigerant is obtained using flow sensor, the flow v wherein in the unit interval is equal to
The cross-sectional area of flow velocity and refrigerant flows through tube.
10. monitoring system according to claim 6, it is characterised in that the input power p of air-conditioning is to utilize current sensor
Obtain obtained by input current, wherein input power p is the product of input current and supply voltage.
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| CN201710288919.9A CN107218694A (en) | 2017-04-27 | 2017-04-27 | A kind of monitoring method and monitoring system of the health status of air-conditioning |
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| CN108163224A (en) * | 2017-11-28 | 2018-06-15 | 中国南方航空股份有限公司 | A kind of aircarrier aircraft air-conditioning flow control valve state monitoring device and method |
| CN108458429A (en) * | 2018-02-07 | 2018-08-28 | 北京百度网讯科技有限公司 | Refrigeration energy-storage system and the control method for the energy-storage system that freezes |
| CN110953687A (en) * | 2019-10-10 | 2020-04-03 | 珠海派诺科技股份有限公司 | Health degree evaluation method and system of air conditioner and storage medium |
| CN111006355A (en) * | 2019-12-16 | 2020-04-14 | 珠海格力电器股份有限公司 | Air conditioning unit and running state monitoring method and device thereof |
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