CN112146227B - Pressure detection switch, air conditioner control method and device, air conditioner and storage medium - Google Patents
Pressure detection switch, air conditioner control method and device, air conditioner and storage medium Download PDFInfo
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- CN112146227B CN112146227B CN202010902154.5A CN202010902154A CN112146227B CN 112146227 B CN112146227 B CN 112146227B CN 202010902154 A CN202010902154 A CN 202010902154A CN 112146227 B CN112146227 B CN 112146227B
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- air conditioner
- pressure
- state information
- detection switch
- pressure detection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Abstract
The embodiment of the invention relates to a pressure detection switch, an air conditioner control method, an air conditioner control device, an air conditioner and a storage medium, wherein the pressure detection switch comprises: a pressure tube provided with a first open end and a second open end; the pressure-bearing sheet is arranged in the pressure pipe, a first closed cavity is formed between the pressure-bearing sheet and the first opening end, and a second closed cavity is formed between the pressure-bearing sheet and the second opening end; the pressure bearing sheet deforms or displaces based on the pressure difference between the first closed chamber and the second closed chamber; the pressure detection switch provided by the invention can detect the starting condition of the air conditioner compressor, control the starting of the compressor, reduce the starting current impact, prolong the service life of the air conditioner and has the advantage of low cost.
Description
Technical Field
The embodiment of the invention relates to the field of air conditioners, in particular to a pressure detection switch, an air conditioner control method, an air conditioner control device, an air conditioner and a storage medium.
Background
At present, the mechanical air conditioner is still popular among people in countries such as africa or southeast asia with relatively backward economy due to the advantages of low cost and high reliability, and the application is wide.
However, since the mechanical air conditioner has no electronic chip, main board and timing function, when the pressures at two sides of the air suction pipe and the air exhaust pipe of the compressor of the mechanical air conditioner are balanced, the compressor is started, and the starting current exceeds 4-7 times of the rated current; when the pressures of the two sides of the air suction pipe and the air exhaust pipe of the compressor are unbalanced, the compressor can be started only by needing larger starting current and larger starting torque, therefore, the huge starting current can cause the sudden drop of the voltage of a power grid and influence the normal operation of other electric equipment in the same power grid, the compressor can not be normally started and is always in a repeated starting state, the repeated starting of the compressor can cause a coil and a power supply circuit of the compressor to bear huge current, the temperature is sharply increased, the circuit protection switch is tripped if the temperature is low, and a fire accident is severe if the temperature is high.
In the prior art, a scheme of time delay control of a time delay relay and an electronic chip can be adopted to solve the problems of the mechanical air conditioner, but the cost of the air conditioner is greatly increased, and the product competitiveness is reduced.
Disclosure of Invention
In view of the above, in order to solve the technical problem of high starting cost of the mechanical air conditioner compressor when pressures on two sides of the air suction pipe and the air discharge pipe are unbalanced by adopting the prior art, embodiments of the present invention provide a pressure detection switch, an air conditioner control method, an air conditioner control device, an air conditioner, and a storage medium.
In a first aspect, an embodiment of the present invention provides a pressure detection switch, including:
a pressure tube provided with a first open end and a second open end;
the pressure-bearing sheet is arranged in the pressure pipe, a first closed cavity is formed between the pressure-bearing sheet and the first opening end, and a second closed cavity is formed between the pressure-bearing sheet and the second opening end;
the pressure bearing sheet deforms or displaces based on the pressure difference between the first closed chamber and the second closed chamber;
and the conducting sheet is directly or indirectly connected with the pressure bearing sheet and is conducted with the first contact sheet and/or the second contact sheet along with the deformation or displacement of the pressure bearing sheet.
Furthermore, the first contact piece and the second contact piece are respectively arranged at two ends of the conducting piece, and the first contact piece and the second contact piece are respectively electrically connected with a lead.
Further, the pressure detection switch also comprises at least one connecting piece, and the connecting piece is suitable for connecting the conducting piece and the pressure bearing piece.
Further, the pressure-bearing piece is arranged in the pressure pipe in a piston mode, and the pressure-bearing piece is welded to the conducting piece.
Further, the pressure bearing sheet is fixedly connected with the inner surface of the pressure pipe along the circumferential edge.
In a second aspect, an embodiment of the present invention provides a method for controlling an air conditioner, including:
acquiring first state information of a pressure detection switch;
determining a control strategy of the air conditioner based on the first state information;
and controlling the starting and stopping state of the compressor of the air conditioner based on the control strategy.
In one possible embodiment, the method further comprises:
if no pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is closed;
or the like, or, alternatively,
and if the two opening ends of the pressure detection switch have pressure difference, the acquired first state information is off.
In one possible embodiment, the method further comprises:
if the first state information is closed, the control strategy is to start the air conditioner compressor;
or the like, or, alternatively,
and if the first state information is disconnected, the control strategy is to stop starting the air conditioner compressor.
In one possible embodiment, the method further comprises:
if the control strategy is to stop starting the air conditioner compressor, second state information of the pressure detection switch is obtained according to preset time;
if the second state information is closed, starting the air conditioner compressor;
or the like, or, alternatively,
and if the second state information is disconnected, executing the step of acquiring the second state information of the pressure detection switch according to preset time.
In one possible embodiment, the method further comprises:
acquiring an operation mode of the air conditioner;
if the operation mode is refrigeration or heating, acquiring third state information of the temperature control switch;
and if the third state information is closed, executing the step of acquiring the first state information of the pressure detection switch.
In a third aspect, an embodiment of the present invention provides a control device for an air conditioner, including:
the acquisition module is used for acquiring first state information of the pressure detection switch;
the determining module is used for determining a control strategy of the air conditioner based on the first state information;
and the control module is used for controlling the starting and stopping states of the compressor of the air conditioner based on the control strategy.
In a fourth aspect, an embodiment of the present invention provides an air conditioner, including: a processor and a memory, wherein the processor is used for executing the voice processing program stored in the memory so as to realize the control method of the air conditioner in the second aspect.
In a fifth aspect, an embodiment of the present invention provides a storage medium, including: the storage medium stores one or more programs executable by one or more processors to implement the control method of the air conditioner described in the second aspect above.
The pressure detection switch provided by the embodiment of the invention can convert the pressure into an electric signal, is arranged between the air suction pipe and the exhaust pipe of the air-conditioning compressor, and obtains the first state information of the pressure detection switch; determining a control strategy of the air conditioner based on the first state information; based on the control strategy, the method for controlling the starting and stopping states of the compressor of the air conditioner can reduce the starting current impact of the mechanical air conditioner compressor, improve the reliability and the service life of the mechanical air conditioner, reduce the influence on a user line or other electric equipment, and meanwhile, the pressure detection switch has the characteristic of low cost and can improve the market competitiveness of air conditioner products.
Drawings
FIG. 1 is a front view of the pressure sensing switch of the present invention;
FIG. 2 is a partial view of section A-A of FIG. 1;
FIG. 3 is a partial view I of a cross-sectional state of the pressure detection switch of the present invention;
FIG. 4 is a second partial view of the cross-sectional state of the pressure detecting switch of the present invention;
fig. 5 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating another control method for an air conditioner according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a control device of an air conditioner according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;
fig. 9 is an electrical schematic diagram of hardware according to an embodiment of the present invention.
Description of reference numerals:
10-a pressure pipe, 11-a pressure bearing sheet, 12-a conducting sheet, 13-a first contact sheet, 14-a second contact sheet,
15-connector, 20-first open end, 30-second open end.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the convenience of understanding of the embodiments of the present invention, the following description will be further explained with reference to specific embodiments, which are not to be construed as limiting the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, the pressure detecting switch according to the present invention includes:
a pressure tube 10, said pressure tube 10 being provided with a first open end 20 and a second open end 30;
at least one pressure-bearing sheet 11 disposed in the pressure pipe 10, wherein the pressure-bearing sheet 11 and the first open end 20 form a first closed chamber, and the pressure-bearing sheet 11 and the second open end 30 form a second closed chamber;
the pressure-bearing sheet 11 deforms or displaces based on the pressure difference between the first closed chamber and the second closed chamber;
and the conducting sheet 12 is directly or indirectly connected with the pressure bearing sheet 11 and is conducted with the first contact sheet 13 and/or the second contact sheet 14 along with the deformation or displacement of the pressure bearing sheet 11.
Preferably, the pressure pipe 10 is disposed between an air suction pipe and an air discharge pipe of the mechanical air conditioner, and the first open end 20 and the second open end 30 of the pressure pipe 10 are respectively communicated with the insides of the air suction pipe and the air discharge pipe.
At least one pressure bearing sheet 11 is arranged in the pressure pipe 10, and the pressure bearing sheet 11 can deform or displace according to the pressure difference between the air suction pipe and the exhaust pipe; when the pressure-bearing sheet 11 deforms or displaces, the conducting sheet 12 can be driven to move, and then the conducting sheet 12 is conducted with the first contact sheet 13 and/or the second contact sheet 14.
Preferably, the first contact piece 13 and the second contact piece 14 are respectively disposed at two ends of the conducting piece 12, and the first contact piece 13 and the second contact piece 14 are respectively electrically connected to a conducting wire.
The pressure detection switch is turned on when the conductive piece 12 is simultaneously in contact with the first contact piece 13 and the second contact piece 14, and is turned off when the conductive piece 12 is in contact with only the first contact piece 13 or only the second contact piece 14.
Further, the pressure detection switch at least further comprises a connecting piece 15, and the connecting piece 15 is suitable for connecting the conducting piece 12 and the pressure bearing piece 11.
In this embodiment, the number of the pressure-bearing pieces 11 is two, a connecting member 15 is disposed between the two pressure-bearing pieces 11, the connecting member 15 is connected to the conducting piece 12, and the connecting member 15 and the conducting piece 12 are sequentially moved along with the movement of the conducting piece 12.
Preferably, as a variation, the pressure-bearing plate 11 is disposed in the pressure pipe 10 in the form of a piston, and the pressure-bearing plate 11 is welded to the communication plate 12.
Optionally, the pressure bearing plate 11 is fixedly connected with the inner surface of the pressure pipe 10 along the circumferential edge. Preferably, the pressure-bearing plate 11 is configured as a circular metal plate, and the outer edge of the pressure-bearing plate 11 is fixedly connected with the inner surface of the pressure pipe 10, so that the tightness between the pressure-bearing plate 11 and the pressure pipe 10 is increased. The pressure-bearing sheet 11 is only deformed and does not displace under the action of pressure, and is convenient to return under the action of the deformation force when the pressure disappears.
Preferably, the conductive sheet 12, the first contact sheet 13, and the second contact sheet 14 are made of metal material. Further, the conductive sheet 12, the first contact 13, and the second contact 14 are made of the same metal material, and preferably a benign conductive metal such as aluminum or copper.
Preferably, the first contact piece 13 and the second contact piece 14 are configured in a sliding slot form, so that the conducting piece 12 slides in the first contact piece 13 and/or the second contact piece 14, and the conducting piece 12 is guided, and the conducting piece 12 is ensured to be reliably contacted with the first contact piece 13 and the second contact piece 14.
Preferably, at least one limiting strip is further arranged below the conducting sheet 12, so that the conducting sheet 12 is guaranteed to move along a preset route.
The pressure detection switch provided by the scheme can be welded between the air suction pipe and the exhaust pipe of the mechanical air conditioner, the pressure state can be converted into an electric signal, a logic control circuit is designed by means of an electric appliance element of the mechanical air conditioner, the delayed start of a mechanical air conditioner compressor is controlled, the cost is low, and the product competitiveness can be improved.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Fig. 5 is a schematic flowchart of a control method of an air conditioner according to an embodiment of the present invention, and as shown in fig. 5, the method specifically includes:
and S51, acquiring first state information of the pressure detection switch.
The invention is mainly applied to a mechanical air conditioner, a pressure detection switch is welded between an air suction pipe and an air exhaust pipe of a compressor of the mechanical air conditioner, two sides of the pressure detection switch are respectively connected with the air suction pipe and the air exhaust pipe, and the pressure detection switch can be in a connected or disconnected state according to the pressure difference change of the air suction pipe and the air exhaust pipe so as to detect whether the pressures of the air suction pipe and the air exhaust pipe are balanced.
And S52, determining the control strategy of the air conditioner based on the first state information.
And S53, controlling the starting and stopping states of the compressor of the air conditioner based on the control strategy.
In the embodiment of the invention, the starting rule and the starting forbidding rule of the compressor of the mechanical air conditioner are preset, and the starting and the stopping of the compressor are controlled according to the rules.
Further, whether the starting rule and the starting forbidding rule of the compressor are met or not is judged according to the obtained state information of the pressure detection switch, and if the current state of the pressure detection switch meets the starting condition of the compressor, the compressor is started; and if the current state of the pressure detection switch meets the starting prohibition condition of the compressor, prohibiting the starting of the compressor.
Further, the state of the pressure detection switch is acquired again after waiting for the preset time, and if the state of the pressure detection switch meets the starting condition of the compressor after waiting for the preset time, the compressor is started at the moment.
According to the control scheme of the air conditioner, the first state information of the pressure detection switch is acquired; determining a control strategy of the air conditioner based on the first state information; the method for controlling the starting and stopping states of the compressor of the air conditioner based on the control strategy can prohibit the air conditioner compressor from being started when the pressures in the air suction pipe and the air exhaust pipe are uneven, reduce the starting current impact of the air conditioner compressor, improve the reliability and the service life of the air conditioner, and reduce the influence on a user line or other electric equipment.
Fig. 6 is a schematic flowchart of another method for controlling an air conditioner according to an embodiment of the present invention, and as shown in fig. 6, the method specifically includes:
the invention designs a logic control circuit, as a hardware electrical schematic diagram shown in fig. 9, a pressure detection switch K1 is connected in parallel with an auxiliary contact KM1 of a relay KM, and then the relay KM, a mechanical temperature control switch (THERMOSTAT) and a master switch (MAIN SWITCH) are connected in series, and the electric circuit is used as a control module. The compressor COMP and the main contact KM2 of the relay KM are connected in series and then connected to a power supply through a master switch.
And S61, acquiring the operation mode of the air conditioner.
And S62, if the operation mode is cooling or heating, acquiring third state information of the temperature control switch.
And acquiring the operation mode of the air conditioner according to the current operation state of the air conditioner, wherein the operation mode of the air conditioner can be a refrigeration mode, a heating mode or an air supply mode and the like.
If the current operation mode of the air conditioner is cooling or heating, the main switches 0 and 3 are turned on, and 0 and 2 (e.g., high damper), 1 (e.g., middle damper), or 4 (e.g., low damper) are turned on according to the wind speed state set by the user.
Further, as shown in fig. 9, the mechanical temperature control switch obtains third state information of the mechanical temperature control switch when the air conditioner is running, for example, when the air conditioner running mode is a cooling mode, and when the room temperature is lower than a temperature value set by a user for the air conditioner, the mechanical temperature control switch is in an off state; when the room temperature is higher than the temperature value set by the user for the air conditioner, the mechanical temperature control switch is in a closed state.
Optionally, when the air conditioner operation mode is a heating mode, and when the room temperature is lower than a temperature value set by a user for the air conditioner, the mechanical temperature control switch is in a closed state; when the room temperature is higher than the temperature value set by the user for the air conditioner, the mechanical temperature control switch is in an off state.
Optionally, if the current operation mode of the air conditioner is air supply, the main switches 0 and 3 are not turned on, 0 and 2 electric shocks are turned on (high windshield), 0 and 1 electric shocks are turned on (medium windshield), or 0 and 4 electric shocks are turned on (low windshield), at this time, only the fan operates, and the air conditioner only blows air and does not cool.
And S63, if the third state information is closed, acquiring the first state information of the pressure detection switch.
In the embodiment of the invention, when the mechanical temperature control switch is closed, the representation that the air conditioner is refrigerating or heating the indoor temperature is carried out, because the air conditioner works for representing the work of the air conditioner compressor, the compressor can be controlled only when the compressor works, and therefore, when the mechanical temperature control switch is in the closed state, the first state information of the pressure detection switch is acquired.
And S64, if no pressure difference exists between the two open ends of the pressure detection switch, the acquired first state information is closed.
As shown in fig. 3, when the pressures of the suction pipe and the discharge pipe of the compressor are relatively balanced, the pressure receiving pieces 11 inside the first opening end 10 and the second opening end 20 of the pressure detection switch are not deformed or displaced, and further, the connection member 15 is not displaced, and further, the conduction piece 12 connected to the connection member 15 is not displaced, and the conduction piece 12 is brought into contact with the first contact piece 13 and the second contact piece 14 on both sides, and since the first contact piece 13 and the second contact piece 14 are electrically connected to the lead wires, the state of the pressure detection switch is closed and the circuit is turned on.
And S65, if a pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is off.
As shown in fig. 4, when the pressures of the suction pipe and the discharge pipe of the compressor are unbalanced, the pressure receiving pieces 11 inside the first opening end 10 and the second opening end 20 of the pressure detection switch are deformed or displaced, and further, the connection member 15 is displaced toward the end having a smaller pressure, and further, the conduction piece 12 connected to the connection member 15 is displaced, and the conduction piece 12 is brought into contact with one of the first contact piece 13 and the second contact piece 14 according to the movement of the connection member 15 and is disconnected from the other, and at this time, the state of the pressure detection switch is off, and the circuit is disconnected.
And S66, if the first state information is closed, the control strategy is to start the air conditioner compressor.
When the first state information of the pressure detection switch is closed, the pressure of the air suction pipe and the pressure of the exhaust pipe of the air conditioner compressor are relatively balanced at the moment, and the starting condition of the air conditioner compressor is met.
Further, if the air conditioner is in a cooling mode, when the indoor temperature is higher than the temperature set by the user, a start-up instruction is issued to the compressor, so that the compressor is started up and works in response to the start-up instruction.
Optionally, if the air conditioner is in the heating mode, when the indoor temperature is lower than the user set temperature, an instruction of starting operation is issued to the compressor, so that the compressor is started and operates in response to the instruction of starting operation.
And S67, if the first state information is off, the control strategy is to stop starting the air conditioner compressor.
When the first state information of the pressure detection switch is off, the pressure of the air suction pipe and the pressure of the air discharge pipe of the air conditioner compressor are not balanced, and the starting condition of the air conditioner compressor is not met.
Further, if the air conditioner compressor needs to be started, an opening prohibition instruction is issued to the compressor, and the compressor is not started in response to the opening prohibition instruction.
And S68, if the control strategy is to stop starting the air conditioner compressor, acquiring second state information of the pressure detection switch according to preset time.
In the embodiment of the present invention, if the compressor is prohibited from being turned on due to the pressure imbalance between the suction pipe and the discharge pipe of the compressor, the second state information of the pressure detection switch is acquired again after waiting for a preset time (for example, 3 minutes), where the second state information is the state information of the pressure detection switch acquired after the compressor is prohibited from being turned on for one time, and if the start condition of the compressor is still not satisfied subsequently, the state information of the pressure detection switch acquired again is referred to as the second state information in this scheme.
And S69, if the second state information is closed, starting the air conditioner compressor.
And if the second state information of the pressure detection switch acquired again is closed, the pressure of the air suction pipe and the pressure of the air exhaust pipe of the compressor are relatively balanced at the moment, the starting condition of the compressor is met, and a starting work instruction is issued to the compressor, so that the compressor is started and works in response to the starting work instruction.
S610, if the second state information is off, executing the step of acquiring the second state information of the pressure detection switch according to preset time.
If the second state information of the pressure detection switch acquired again is off, the pressure of the air suction pipe and the air exhaust pipe of the compressor is not balanced at the moment, the starting condition of the compressor is not met, and a command of prohibiting starting is issued to the compressor, so that the compressor does not start in response to the command of prohibiting starting.
Further, second state information of the pressure detection switch is obtained again according to the preset time until the second state information of the pressure detection switch is closed, the starting condition of the compressor is met, a starting instruction is issued to the compressor, and the compressor is allowed to be started.
According to the control scheme of the air conditioner, the first state information of the pressure detection switch is acquired; determining a control strategy of the air conditioner based on the first state information; the method for controlling the starting and stopping states of the compressor of the air conditioner based on the control strategy can prohibit the air conditioner compressor from being started when the pressures in the air suction pipe and the air exhaust pipe are uneven, reduce the starting current impact of the air conditioner compressor, improve the reliability and the service life of the air conditioner, and reduce the influence on a user line or other electric equipment.
Fig. 7 is a schematic structural diagram of a control device of an air conditioner according to an embodiment of the present invention, as shown in fig. 7, including:
an obtaining module 701, configured to obtain first state information of a pressure detection switch;
a determining module 702, configured to determine a control strategy of an air conditioner based on the first state information;
and a control module 703, configured to control a start-stop state of a compressor of the air conditioner based on the control policy.
In a possible embodiment, the obtaining module is specifically configured to obtain an operation mode of the air conditioner; if the operation mode is refrigeration or heating, acquiring third state information of the temperature control switch; and if the third state information is closed, executing the step of acquiring the first state information of the pressure detection switch.
In a possible embodiment, the obtaining module is further configured to obtain the first state information as closed if there is no pressure difference between two open ends of the pressure detection switch; or if a pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is off.
In a possible embodiment, the determining module is specifically configured to, if the first status information is closed, start the air conditioner compressor according to the control strategy; or if the first state information is off, the control strategy is to stop starting the air conditioner compressor.
In a possible implementation manner, the control module is specifically configured to, if the control strategy is to stop starting the air conditioner compressor, obtain second state information of the pressure detection switch according to a preset time; if the second state information is closed, starting the air conditioner compressor; or, if the second state information is off, executing the step of obtaining the second state information of the pressure detection switch according to the preset time.
The control device of the air conditioner provided in this embodiment may be the control device of the air conditioner shown in fig. 7, and may perform all the steps of the control method of the air conditioner shown in fig. 5 to 6, so as to achieve the technical effects of the control method of the air conditioner shown in fig. 5 to 6, and please refer to the related descriptions of fig. 5 to 6, which are not repeated herein for brevity.
Fig. 8 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention, where the air conditioner 800 shown in fig. 8 includes: at least one processor 801, memory 802, at least one network interface 804, and other user interfaces 803. The various components in the air conditioner 800 are coupled together by a bus system 805. It is understood that the bus system 805 is used to enable communications among the components connected. The bus system 805 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 805 in fig. 8.
The user interface 803 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It will be appreciated that the memory 802 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), synchlronous SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 802 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 802 stores elements, executable units or data structures, or a subset thereof, or an expanded set thereof as follows: an operating system 8021 and application programs 8022.
The operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application program 8022 includes various application programs, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. A program implementing a method according to an embodiment of the present invention may be included in application program 8022.
In the embodiment of the present invention, the processor 801 is configured to execute the method steps provided by each method embodiment by calling the program or instruction stored in the memory 802, specifically, the program or instruction stored in the application 8022, and for example, includes:
acquiring first state information of a pressure detection switch; determining a control strategy of the air conditioner based on the first state information; and controlling the starting and stopping state of the compressor of the air conditioner based on the control strategy.
In one possible embodiment, if there is no pressure difference between the two open ends of the pressure detection switch, the acquired first state information is closed; or if a pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is off.
In a possible embodiment, if the first status information is closed, the control strategy is to start the air conditioner compressor; or if the first state information is off, the control strategy is to stop starting the air conditioner compressor.
In a possible embodiment, if the control strategy is to stop starting the air conditioner compressor, second state information of the pressure detection switch is acquired according to a preset time; if the second state information is closed, starting the air conditioner compressor; or, if the second state information is off, executing the step of obtaining the second state information of the pressure detection switch according to the preset time.
In one possible embodiment, the operation mode of the air conditioner is acquired; if the operation mode is refrigeration or heating, acquiring third state information of the temperature control switch; and if the third state information is closed, executing the step of acquiring the first state information of the pressure detection switch.
The methods disclosed in the embodiments of the present invention described above may be implemented in the processor 801 or implemented by the processor 801. The processor 801 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 801. The Processor 801 may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software elements in the decoding processor. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802, and combines the hardware to complete the steps of the method.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The air conditioner provided in this embodiment may be the air conditioner shown in fig. 8, and may perform all the steps of the control method of the air conditioner shown in fig. 5 to 6, so as to achieve the technical effects of the control method of the air conditioner shown in fig. 5 to 6, and for brevity, reference is specifically made to the descriptions related to fig. 5 to 6, which are not described herein again.
The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium herein stores one or more programs. Among others, the storage medium may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
When one or more programs in the storage medium are executable by one or more processors, the control method of the air conditioner performed on the air conditioner side as described above is implemented.
The processor is used for executing the control program of the air conditioner stored in the memory so as to realize the following steps of the control method of the air conditioner executed on the air conditioner side:
acquiring first state information of a pressure detection switch; determining a control strategy of the air conditioner based on the first state information; and controlling the starting and stopping state of the compressor of the air conditioner based on the control strategy.
In one possible embodiment, if there is no pressure difference between the two open ends of the pressure detection switch, the acquired first state information is closed; or if a pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is off.
In a possible embodiment, if the first status information is closed, the control strategy is to start the air conditioner compressor; or if the first state information is off, the control strategy is to stop starting the air conditioner compressor.
In a possible embodiment, if the control strategy is to stop starting the air conditioner compressor, second state information of the pressure detection switch is acquired according to a preset time; if the second state information is closed, starting the air conditioner compressor; or, if the second state information is off, executing the step of obtaining the second state information of the pressure detection switch according to the preset time.
In one possible embodiment, the operation mode of the air conditioner is acquired; if the operation mode is refrigeration or heating, acquiring third state information of the temperature control switch; and if the third state information is closed, executing the step of acquiring the first state information of the pressure detection switch.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (13)
1. A pressure detecting switch, comprising:
the air conditioner comprises a pressure pipe (10), wherein the pressure pipe (10) is provided with a first opening end (20) and a second opening end (30), the pressure pipe (10) is arranged between an air suction pipe and an air exhaust pipe of the mechanical air conditioner, and the first opening end (20) and the second opening end (30) of the pressure pipe (10) are respectively communicated with the interiors of the air suction pipe and the air exhaust pipe;
at least one pressure bearing sheet (11) arranged in the pressure pipe (10), wherein the pressure bearing sheet (11) and the first opening end (20) form a first closed chamber, and the pressure bearing sheet (11) and the second opening end (30) form a second closed chamber;
the pressure-bearing sheet (11) deforms or displaces based on the pressure difference between the first closed chamber and the second closed chamber;
the conducting piece (12) is directly or indirectly connected with the pressure bearing piece (11) and is conducted with the first contact piece (13) and/or the second contact piece (14) along with the deformation or displacement of the pressure bearing piece (11), the pressure detection switch is conducted when the conducting piece (12) is simultaneously contacted with the first contact piece (13) and the second contact piece (14), and the pressure detection switch is disconnected when the conducting piece (12) is contacted with the first contact piece (13) or the second contact piece (14); the first contact plate 13 and the second contact plate 14 are each configured in the form of a sliding groove.
2. The pressure detection switch according to claim 1, wherein the first contact piece (13) and the second contact piece (14) are respectively provided at both ends of the conductive piece (12), and the first contact piece (13) and the second contact piece (14) are respectively electrically connected to a lead wire.
3. The pressure detecting switch according to claim 1 or 2, further comprising: at least one connecting piece (15), wherein the connecting piece (15) is suitable for connecting the conducting piece (12) and the pressure bearing piece (11).
4. Pressure detection switch according to claim 1 or 2, characterized in that the pressure-bearing plate (11) is arranged in the pressure tube (10) in the form of a piston and that the pressure-bearing plate (11) is welded to the conducting plate (12).
5. Pressure detection switch according to claim 1 or 2, characterized in that the pressure-bearing disk (11) is fixedly connected to the inner surface of the pressure tube (10) along a circumferential edge.
6. A control method of an air conditioner, characterized by being applied to a mechanical air conditioner including the pressure detecting switch according to any one of claims 1 to 5;
the method comprises the following steps:
acquiring first state information of a pressure detection switch;
determining a control strategy of the air conditioner based on the first state information;
and controlling the starting and stopping state of the compressor of the air conditioner based on the control strategy.
7. The method of claim 6, wherein obtaining the first state information of the pressure detection switch comprises:
if no pressure difference exists between the two opening ends of the pressure detection switch, the acquired first state information is closed;
or the like, or, alternatively,
and if the two opening ends of the pressure detection switch have pressure difference, the acquired first state information is off.
8. The method of claim 7, wherein determining a control strategy for an air conditioning compressor based on the first status information comprises:
if the first state information is closed, the control strategy is to start the air conditioner compressor;
or the like, or, alternatively,
and if the first state information is disconnected, the control strategy is to stop starting the air conditioner compressor.
9. The method of claim 8, wherein controlling a start-stop state of a compressor of the air conditioner based on the control strategy comprises:
if the control strategy is to stop starting the air conditioner compressor, second state information of the pressure detection switch is obtained according to preset time;
if the second state information is closed, starting the air conditioner compressor;
or the like, or, alternatively,
and if the second state information is disconnected, executing the step of acquiring the second state information of the pressure detection switch according to preset time.
10. The method of claim 6, prior to obtaining the first status information of the pressure detection switch, further comprising:
acquiring an operation mode of the air conditioner;
if the operation mode is refrigeration or heating, acquiring third state information of the temperature control switch;
and if the third state information is closed, executing the step of acquiring the first state information of the pressure detection switch.
11. A control device of an air conditioner, characterized by comprising:
the acquisition module is used for acquiring first state information of the pressure detection switch;
the determining module is used for determining a control strategy of the air conditioner based on the first state information;
and the control module is used for controlling the starting and stopping states of the compressor of the air conditioner based on the control strategy.
12. An air conditioner, comprising: the processor is used for executing the control program of the air conditioner stored in the memory so as to realize the control method of the air conditioner as claimed in any one of claims 6-10.
13. A storage medium storing one or more programs executable by one or more processors to implement the method of controlling an air conditioner according to any one of claims 6 to 10.
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| CN202010902154.5A CN112146227B (en) | 2020-08-31 | 2020-08-31 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
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| CN202010902154.5A CN112146227B (en) | 2020-08-31 | 2020-08-31 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
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