CN105805889B - Control method and device for dry type fan coil unit - Google Patents
Control method and device for dry type fan coil unit Download PDFInfo
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- CN105805889B CN105805889B CN201610141956.2A CN201610141956A CN105805889B CN 105805889 B CN105805889 B CN 105805889B CN 201610141956 A CN201610141956 A CN 201610141956A CN 105805889 B CN105805889 B CN 105805889B
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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
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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
- F24F11/62—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
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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
- F24F2110/00—Control inputs relating to air properties
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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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Abstract
The invention discloses a control method and a control device of a dry type fan coil unit, wherein the method comprises the following steps: responding to the triggered unit model adjustment instruction, and acquiring dial information corresponding to the unit model adjustment instruction; and calling the control information corresponding to the dial information to operate the direct current brushless motor in the dry type fan coil unit. The invention solves the problem that the replacement of the model or static pressure of the dry type fan coil unit in the prior art can be realized only by complex disassembly and assembly, improves the control intelligence of the dry type fan coil unit, and further reduces the cost of disassembly and replacement.
Description
Technical Field
The invention relates to the technical field of dry type fan coil units, in particular to a control method and a control device of a dry type fan coil unit.
Background
In the existing temperature and humidity independent control system, a dry type fan coil is required. The dry type fan coil is divided into nine units of 34/51/68/85/102/136/170/204/238 according to the national standard air volume section. The common machine type driving system is a tap alternating current motor, and machines with different static pressures and different models are obtained by matching motors with different powers and capacitors. The unit capacitor is built-in, and for different machine types, different motor capacitor configurations need to be replaced to meet corresponding parameter requirements.
Among the prior art, the user selects the unit of the model that corresponds according to air supply volume demand, static pressure demand, and when the demand of air supply volume, static pressure changed, the unit that needs to change different models could satisfy the demand of air supply volume, static pressure. This selection mode needs the dismouting to realize, and the operation is very inconvenient.
Aiming at the problem that the replacement of the model or static pressure of the dry type fan coil unit in the related technology can be realized only by complex disassembly and assembly, an effective solution is not provided at present.
Disclosure of Invention
The invention provides a control method and a control device of a dry type fan coil unit, which at least solve the problem that the replacement of the model of the dry type fan coil unit in the prior art can be realized only by complex disassembly and assembly.
To solve the above technical problem, according to an aspect of the embodiments of the present disclosure, the present invention provides a method for controlling a dry type fan-coil unit, including: responding to the triggered unit model adjustment instruction, and acquiring dial information corresponding to the unit model adjustment instruction; and calling the control information corresponding to the dial information to operate the direct current brushless motor in the dry type fan coil unit.
Further, the operation of the dc brushless motor in the dry type fan-coil unit by calling the control information corresponding to the dial-up information includes: determining the position of dial-up information in a preset first storage list, wherein the first storage list is preset with a plurality of kinds of dial-up information, each dial-up information corresponds to a control information, and the control information represents a control mode of the dry type fan coil unit model; and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
Further, controlling the operation of the dc brushless motor according to the control information includes: determining first rotation speed information required by the direct current brushless motor according to the control information; and adjusting the voltage value of the input direct current brushless motor to control the rotating speed of the direct current brushless motor to be adjusted to be the first rotating speed information required by the direct current brushless motor.
Further, adjusting the input dc brushless motor voltage value to control the rotation speed of the dc brushless motor to adjust to the first rotation speed information required by the dc brushless motor, including: acquiring the rotating speed information of the direct current brushless motor in real time; comparing the acquired rotating speed information with the determined first rotating speed information required by the direct current brushless motor, and judging whether the acquired rotating speed information is the same as the determined first rotating speed information; and if the input voltage value is different from the input voltage value, continuing to adjust the input voltage value of the direct current brushless motor until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct current brushless motor.
Furthermore, after the operation of the dc brushless motor in the dry type fan-coil unit is invoked by the control information corresponding to the dial-up information, the method further includes: receiving control information for changing a static pressure value sent by a line controller of the dry type fan-coil unit; and controlling the current dry type fan coil unit to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
Further, according to the control information for changing the static pressure value, controlling the current dry type fan coil unit to operate to the state of the corresponding static pressure value, and the method comprises the following steps: determining second rotating speed information required by the direct current brushless motor according to the control information for changing the static pressure value; and adjusting the voltage value of the input direct current brushless motor to control the rotation speed of the direct current brushless motor to be adjusted into second rotation speed information required by the direct current brushless motor.
Further, adjusting the input dc brushless motor voltage value to control the rotation speed of the dc brushless motor to adjust to the second rotation speed information required by the dc brushless motor, including: acquiring the rotating speed information of the direct current brushless motor in real time; comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor, and judging whether the acquired rotating speed information is the same as the second rotating speed information; and if the input voltage value is different from the input voltage value, continuing to adjust the input voltage value of the direct current brushless motor until the obtained rotating speed information is the same as the determined second rotating speed information required by the direct current brushless motor.
Further, the operation of the dc brushless motor in the dry type fan-coil unit by calling the control information corresponding to the dial-up information includes: responding to the triggered jumper increasing operation, and determining the position of dial information in a preset second storage list, wherein the second storage list is preset with a plurality of types of dial information, each type of dial information corresponds to control information, and the control information represents a control mode of the type of the dry type fan coil unit; and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
According to another aspect of the disclosed embodiments, there is provided a control device for a dry fan coil unit, the device comprising: the acquisition unit is used for responding to the triggered unit model adjustment instruction and acquiring dial information corresponding to the unit model adjustment instruction; and the first control unit is used for calling the control information corresponding to the dial-up information to operate the direct-current brushless motor in the dry-type fan-coil unit.
Further, the first control unit includes: the first determining module is used for determining the position of dial-up information in a preset first storage list, wherein the first storage list is preset with a plurality of types of dial-up information, each type of dial-up information corresponds to control information, and the control information represents a control mode of the type of the dry type fan-coil unit; and the first control module is used for acquiring control information corresponding to the position of the dial information determined by the first determination module and controlling the operation of the direct current brushless motor according to the control information.
Further, the first control module includes: the first determining subunit is used for determining first rotation speed information required by the direct current brushless motor according to the control information; the first adjusting subunit is configured to adjust a voltage value of the input dc brushless motor to control a rotation speed of the dc brushless motor to be adjusted to first rotation speed information required by the dc brushless motor.
Further, the first adjusting subunit includes: the first acquisition submodule is used for acquiring the rotating speed information of the direct-current brushless motor in real time; the first comparison submodule is used for comparing the acquired rotating speed information with the first rotating speed information required by the determined direct current brushless motor and judging whether the acquired rotating speed information is the same as the first rotating speed information required by the determined direct current brushless motor; and the first adjusting submodule is used for continuously adjusting the voltage value of the input direct current brushless motor when the comparison result of the first comparing submodule is different until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct current brushless motor.
Further, the apparatus further comprises: the receiving unit is used for calling the control information corresponding to the dial information to operate the direct-current brushless motor in the dry type fan-coil unit, and then sending the control information for changing the static pressure value by a wire controller of the dry type fan-coil unit; and the second control unit is used for controlling the current dry type fan coil unit to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
Further, the second control unit includes: the second determining subunit is used for determining second rotating speed information required by the direct-current brushless motor according to the control information for changing the static pressure value; and the second adjusting subunit is used for adjusting the voltage value of the input direct current brushless motor so as to control the rotation speed of the direct current brushless motor to be adjusted into second rotation speed information required by the direct current brushless motor.
Further, the second adjusting subunit includes: the second acquisition submodule is used for acquiring the rotating speed information of the direct-current brushless motor in real time; the second comparison submodule is used for comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor and judging whether the acquired rotating speed information is the same as the second rotating speed information required by the determined direct current brushless motor; and the second adjusting submodule is used for continuously adjusting the voltage value of the input direct current brushless motor when the comparison result of the second comparing submodule is different until the obtained rotating speed information is the same as the determined second rotating speed information required by the direct current brushless motor.
Further, the first control unit includes: the jumper wire determining unit is used for responding to the triggered jumper wire increasing operation and determining the position of dial-up information in a preset second storage list, wherein the second storage list is preset with a plurality of dial-up information, each dial-up information corresponds to one control information, and the control information represents a control mode of the dry type fan coil unit model; and the second control module is used for acquiring control information corresponding to the position of the dial information determined by the jumper wire determining unit and controlling the operation of the direct current brushless motor according to the control information.
In the invention, control programs of a plurality of dry type fan coil unit models are integrated on the same controller, and when the unit models need to be replaced, a user does not need to replace hardware configuration of different motor capacitors, and can change the unit models only by simple dialing; furthermore, when a user needs to adjust the static pressure, hardware configuration of different motor capacitors does not need to be replaced, and the pressure can be adjusted through the wire controller. The control mode effectively solves the problem that the replacement of the dry type fan coil unit model or static pressure in the prior art can be realized only by complex disassembly and assembly, improves the control intelligence of the dry type fan coil unit, and further reduces the cost of disassembly and replacement.
Drawings
FIG. 1 is a schematic flow diagram of an alternative method of controlling a dry fan coil unit in accordance with an embodiment of the present invention;
FIG. 2 is a schematic flow diagram of an alternative method of controlling a dry fan coil unit in accordance with an embodiment of the present invention;
FIG. 3 is a block diagram of an alternative configuration of a control device for a dry fan coil unit in accordance with an embodiment of the present invention;
FIG. 4 is a block diagram of an alternative configuration of a control device for a dry fan coil unit in accordance with an embodiment of the present invention; and
fig. 5 is a block diagram of yet another alternative configuration of a control device for a dry fan coil unit in accordance with an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
The following describes a method for controlling a dry type fan-coil unit according to the present invention with reference to the accompanying drawings.
The control method of the dry type fan coil unit can be applied to a variable frequency air conditioner, and can also be applied to other systems needing the control of the dry type fan coil unit, such as a system with independent temperature and humidity control. FIG. 1 shows an alternative flow diagram of a dry fan coil unit control method, which, as shown in FIG. 1, may include the following steps S102-S104:
s102, responding to a triggered unit model adjustment instruction, and acquiring dial information corresponding to the unit model adjustment instruction;
specifically, when the control method is implemented, a plurality of machine type driving main programs of the dry type fan coil unit are integrated on the same control chip in advance, after dial information is received and input, a unit type adjustment instruction is triggered, and at the moment, corresponding dial information in the unit type adjustment instruction is obtained.
And S104, calling control information corresponding to the dial information to operate the direct current brushless motor in the dry type fan coil unit.
When the control information corresponding to the dial-up information is called to operate a direct current brushless motor in the dry type fan-coil unit, preferably, the position of the dial-up information can be determined in a preset first storage list, wherein the first storage list is preset with a plurality of dial-up information, each dial-up information corresponds to one control information, and the control information represents a control mode of the dry type fan-coil unit model; and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
In a specific implementation process, when the operation of the dc brushless motor is controlled according to the control information, the following method may be adopted: determining first rotation speed information required by the direct current brushless motor according to the control information; and adjusting the voltage value of the input direct current brushless motor to control the rotating speed of the direct current brushless motor to be adjusted to be the first rotating speed information required by the direct current brushless motor.
When the voltage value of the input direct current brushless motor is adjusted to control the rotating speed of the direct current brushless motor to be adjusted to be first rotating speed information required by the direct current brushless motor, the rotating speed information of the direct current brushless motor is acquired in real time; comparing the acquired rotating speed information with the determined first rotating speed information required by the direct current brushless motor, and judging whether the acquired rotating speed information is the same as the determined first rotating speed information; and if the input voltage value is different from the input voltage value, continuing to adjust the input voltage value of the direct current brushless motor until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct current brushless motor.
According to the implementation of the preferable technical scheme, the control programs of the dry type fan coil unit models are integrated on the same controller, when the unit models need to be replaced, a user does not need to replace hardware configuration of different motor capacitors, and the change of the unit models can be realized only through simple dialing.
In a preferred embodiment of the invention, the scheme is optimized, and the static pressure corresponding to the model of the dry type fan-coil unit is adjusted by using the wire controller, so that the control intelligence of the dry type fan-coil unit is further improved. In order to achieve the above object, the method further comprises: after the control information corresponding to the dial information is called to operate a direct current brushless motor in the dry type fan-coil unit, the control information for changing the static pressure value, which is sent by a line controller of the dry type fan-coil unit, is received; and controlling the current dry type fan coil unit to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
Preferably, when the current dry-type fan-coil unit is controlled to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value, the following scheme can be adopted to realize: determining second rotating speed information required by the direct current brushless motor according to the control information for changing the static pressure value; and adjusting the voltage value of the input direct current brushless motor to control the rotation speed of the direct current brushless motor to be adjusted into second rotation speed information required by the direct current brushless motor.
Specifically, when the input voltage value of the direct current brushless motor is adjusted to control the rotation speed of the direct current brushless motor to be adjusted to second rotation speed information required by the direct current brushless motor, the rotation speed information of the direct current brushless motor is acquired in real time; comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor, and judging whether the acquired rotating speed information is the same as the second rotating speed information; and if the input voltage value is different from the input voltage value, continuing to adjust the input voltage value of the direct current brushless motor until the obtained rotating speed information is the same as the determined second rotating speed information required by the direct current brushless motor.
In the implementation of the above preferred technical solution, the rotation speed logic information corresponding to each static pressure section of the whole series is written into the system main controller in advance, and when a user needs to adjust the static pressure, the hardware configuration of different motor capacitors does not need to be replaced, and the pressure can be adjusted through the line controller. The control mode effectively solves the problem that the static pressure of the dry type fan coil unit in the prior art needs to be changed only by complex disassembly and assembly, improves the control intelligence of the dry type fan coil unit, and further reduces the disassembly and replacement cost.
Preferably, fig. 2 shows a flow chart of the above-mentioned replacement by using dial and wire controller to control the model and static pressure of the dry type fan-coil unit, which is described in detail below with reference to fig. 2:
when the invention is realized, the rotating speed logic information corresponding to each static pressure section of the whole series can be written into a system main control MCU in advance, different dial forms are endowed with rotating speed control information corresponding to the rotating speeds of different model series units, when the dial is adjusted, a controller main chip calls the control information corresponding to the dial form and provides the control information to a rotating speed control module, the rotating speed control module controls and inputs the voltage value of a direct current brushless motor according to the information, the direct current brushless motor adopts PWM rotating speed control, the direct current motor operates according to preset rotating speed information, meanwhile, a rotating speed detection module detects the rotating speed of the direct current motor in real time, a feedback module transmits the rotating speed information back to the system main control MCU main chip, the rotating speed information is compared with a preset value, if the rotating speed logic information is the same as the preset value, the rotating speed logic information continues to operate, if the rotating.
When the static pressure of the machine set is adjusted, the adjustment is completed through a machine set configuration wire controller, preferably, the wire controller can adjust the static pressure to contain 0/6/12/20/30/50Pa and total 6 static pressure values, and a static pressure section can be increased according to needs. The built-in main chip of the wire controller can transmit rotating speed control information to the system main control MCU, when the wire controller is used for adjusting the static pressure of the unit, the system main control MCU recognizes the static pressure setting change, automatically calls control voltage information corresponding to the current static pressure value and provides the control voltage information to the voltage control module, and the voltage control module controls the rotating speed of the direct current brushless motor according to the current control information and is used for changing the static pressure value of the dry type fan coil.
In a first preferred embodiment of the present invention, the above scheme is further optimized for control of distinguishing different model series units. Specifically, the method provided by the invention is used for a plurality of model sets of the model of the A series, and can be realized by adding a jumper wire when controlling the model of the B series. Specifically, in response to a triggered jumper increasing operation, determining the position of dial-up information in a preset second storage list, wherein the second storage list is preset with a plurality of types of dial-up information, each type of dial-up information corresponds to control information, and the control information represents a control mode of the type of the dry type fan-coil unit; and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
Preferably, table 1 shows an a-series model dial definition table, which may correspond to control without jumper, where the number of digits of the dial provided in table one is 4, four-digit dials may correspond to sixteen models, where different dial forms represent different model series, and different dials represent rotation speed control information of different models.
| Serial number | Dial 4 | Dial 3 | Dial 2 | Dial 1 | Representative model |
| 01 | 0 | 0 | 0 | 0 | FP-34/A |
| 02 | 0 | 0 | 0 | 1 | FP-51/A |
| 03 | 0 | 0 | 1 | 0 | FP-68/A |
| 04 | 0 | 0 | 1 | 1 | …… |
| 05 | 0 | 1 | 0 | 0 | …… |
| 06 | 0 | 1 | 0 | 1 | …… |
| 07 | 0 | 1 | 1 | 0 | …… |
| 08 | 0 | 1 | 1 | 1 | …… |
| 09 | 1 | 0 | 0 | 0 | …… |
| 10 | 1 | 0 | 0 | 1 | …… |
| 11 | 1 | 0 | 1 | 0 | …… |
| 12 | 1 | 0 | 1 | 1 | …… |
| 13 | 1 | 1 | 0 | 0 | …… |
| 14 | 1 | 1 | 0 | 1 | …… |
| 15 | 1 | 1 | 1 | 0 | …… |
| 16 | 1 | 1 | 1 | 1 | …… |
Watch 1
Table 2 shows a B-series model dial definition table, which may correspond to control in the presence of jumpers, where the number of digits of the dials provided in table two is 4, four-digit dials may correspond to sixteen models, 0 to 16, different dial forms represent different model series, and different dials represent rotation speed control information of different models.
| Serial number | Dial 4 | Dial 3 | Dial 2 | Dial 1 | Representative model |
| 01 | 0 | 0 | 0 | 0 | FP-34/B |
| 02 | 0 | 0 | 0 | 1 | FP-51/B |
| 03 | 0 | 0 | 1 | 0 | FP-68/B |
| 04 | 0 | 0 | 1 | 1 | …… |
| 05 | 0 | 1 | 0 | 0 | …… |
| 06 | 0 | 1 | 0 | 1 | …… |
| 07 | 0 | 1 | 1 | 0 | …… |
| 08 | 0 | 1 | 1 | 1 | …… |
| 09 | 1 | 0 | 0 | 0 | …… |
| 10 | 1 | 0 | 0 | 1 | …… |
| 11 | 1 | 0 | 1 | 0 | …… |
| 12 | 1 | 0 | 1 | 1 | …… |
| 13 | 1 | 1 | 0 | 0 | …… |
| 14 | 1 | 1 | 0 | 1 | …… |
| 15 | 1 | 1 | 1 | 0 | …… |
| 16 | 1 | 1 | 1 | 1 | …… |
Watch two
The wire jumper mechanism is distributed in the unit controller and used for distinguishing different machine type series, after 1.3 wire jumpers are added, the dial definition tables corresponding to the system main control MCU are reset, all the dial definition tables can redefine motor rotating speed control information, another series of machine types can be generated, and control for different series of machine types is facilitated.
Example 2
Based on the control method for the dry type fan-coil unit provided in embodiment 1, an alternative embodiment 2 of the present invention further provides a control device for the dry type fan-coil unit, and specifically, fig. 3 shows an alternative structural block diagram of the device, and as shown in fig. 3, the device includes:
the obtaining unit 32 is configured to obtain dial information corresponding to a triggered unit model adjustment instruction in response to the triggered unit model adjustment instruction; specifically, when the control method is implemented, a plurality of machine type driving main programs of the dry type fan coil unit are integrated on the same control chip in advance, after dial information is received and input, a unit type adjustment instruction is triggered, and at the moment, corresponding dial information in the unit type adjustment instruction is obtained.
And the first control unit 34 is used for calling the control information corresponding to the dial information to operate the direct current brushless motor in the dry type fan-coil unit.
Further, the first control unit includes: the first determining module is used for determining the position of dial-up information in a preset first storage list, wherein the first storage list is preset with a plurality of types of dial-up information, each type of dial-up information corresponds to control information, and the control information represents a control mode of the type of the dry type fan-coil unit; and the first control module is used for acquiring control information corresponding to the position of the dial information determined by the first determination module and controlling the operation of the direct current brushless motor according to the control information.
Further, the first control module includes: the first determining subunit is used for determining first rotation speed information required by the direct current brushless motor according to the control information; the first adjusting subunit is configured to adjust a voltage value of the input dc brushless motor to control a rotation speed of the dc brushless motor to be adjusted to first rotation speed information required by the dc brushless motor.
Further, the first adjusting subunit includes: the first acquisition submodule is used for acquiring the rotating speed information of the direct-current brushless motor in real time; the first comparison submodule is used for comparing the acquired rotating speed information with the first rotating speed information required by the determined direct current brushless motor and judging whether the acquired rotating speed information is the same as the first rotating speed information required by the determined direct current brushless motor; and the first adjusting submodule is used for continuously adjusting the voltage value of the input direct current brushless motor when the comparison result of the first comparing submodule is different until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct current brushless motor.
Further, as shown in fig. 4, the apparatus further includes: the receiving unit 42 is configured to send control information for changing the static pressure value, which is sent by a line controller of the dry type fan-coil unit, after the control information corresponding to the dial information is called to operate the dc brushless motor in the dry type fan-coil unit; and the second control unit 44 is used for controlling the current dry type fan-coil unit to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
Further, the second control unit includes: the second determining subunit is used for determining second rotating speed information required by the direct-current brushless motor according to the control information for changing the static pressure value; and the second adjusting subunit is used for adjusting the voltage value of the input direct current brushless motor so as to control the rotation speed of the direct current brushless motor to be adjusted into second rotation speed information required by the direct current brushless motor.
Further, the second adjusting subunit includes: the second acquisition submodule is used for acquiring the rotating speed information of the direct-current brushless motor in real time; the second comparison submodule is used for comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor and judging whether the acquired rotating speed information is the same as the second rotating speed information required by the determined direct current brushless motor; and the second adjusting submodule is used for continuously adjusting the voltage value of the input direct current brushless motor when the comparison result of the second comparing submodule is different until the obtained rotating speed information is the same as the determined second rotating speed information required by the direct current brushless motor.
Further, as shown in fig. 5, the first control unit 34 includes: the jumper wire determining unit 342 is configured to determine, in response to a triggered jumper wire increasing operation, a position of dial-up information in a preset second storage list, where multiple kinds of dial-up information are preset in the second storage list, each piece of dial-up information corresponds to a piece of control information, and the control information represents a control mode of a dry-type fan-coil unit model; and the second control module 344 is configured to obtain control information corresponding to the position of the dial information determined by the jumper determining unit, and control the operation of the dc brushless motor according to the control information.
With regard to the apparatus in the above embodiments, the specific manner in which each unit and each module performs operations has been described in detail in the embodiments related to the method, and will not be described in detail herein.
The technical effects can be realized by adopting the scheme provided by the invention as follows:
1) the universality of a control program is increased, and static pressure one-key adjustment can be carried out according to actual requirements when the control program is installed on a project site;
2) the production types of the main controller of the system of the product production enterprise are reduced, and the production management cost is reduced due to the multi-series type universal controller;
3) when the variable frequency air conditioning system is correspondingly applied, the problems of insufficient air supply or excessive unit noise can be solved only by adjusting the parameters of the unit wire controller on site.
It can be seen from the above description that the present invention integrates control programs of multiple dry-type fan coil unit models on the same controller, and when a user needs to change the unit model, the user does not need to change hardware configuration of different motor capacitors, and can change the unit model only by simple dialing; furthermore, when a user needs to adjust the static pressure, hardware configuration of different motor capacitors does not need to be replaced, and the pressure can be adjusted through the wire controller. The control mode effectively solves the problem that the replacement of the dry type fan coil unit model or static pressure in the prior art can be realized only by complex disassembly and assembly, improves the control intelligence of the dry type fan coil unit, and further reduces the cost of disassembly and replacement.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (14)
1. A method of controlling a dry fan coil unit, comprising:
responding to a triggered unit model adjustment instruction, and acquiring dial information corresponding to the unit model adjustment instruction;
calling control information corresponding to the dial-up information to operate a direct-current brushless motor in the dry type fan-coil unit;
the operation of calling the control information corresponding to the dial-up information to the DC brushless motor in the dry type fan-coil unit comprises the following steps:
responding to a triggered jumper increasing operation, and determining the position of dial information in a preset second storage list, wherein the second storage list is preset with a plurality of types of dial information, each type of dial information corresponds to control information, and the control information represents a control mode of the type of the dry type fan coil unit;
and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
2. The method of claim 1, wherein invoking the control information corresponding to the dialing information for operation of a brushless dc motor in a dry-type fan-coil unit comprises:
determining the position of the dial-up information in a preset first storage list, wherein the first storage list is preset with a plurality of types of dial-up information, each type of dial-up information corresponds to control information, and the control information represents a control mode of the type of the dry type fan-coil unit;
and acquiring control information corresponding to the determined position of the dial information, and controlling the operation of the direct current brushless motor according to the control information.
3. The method of claim 2, wherein said controlling operation of said dc brushless motor based on said control information comprises:
determining first rotation speed information required by the direct current brushless motor according to the control information;
and adjusting the voltage value of the input direct current brushless motor to control the rotating speed of the direct current brushless motor to be adjusted to be the first rotating speed information required by the direct current brushless motor.
4. The method according to claim 3, wherein the adjusting the input voltage value of the dc brushless motor to control the rotation speed of the dc brushless motor to be adjusted to the first rotation speed information required by the dc brushless motor comprises:
acquiring the rotating speed information of the direct current brushless motor in real time;
comparing the acquired rotating speed information with the determined first rotating speed information required by the direct current brushless motor, and judging whether the acquired rotating speed information is the same as the determined first rotating speed information;
and if the voltage values are different, continuing to adjust the voltage value of the input direct current brushless motor until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct current brushless motor.
5. The method of claim 1, further comprising, after invoking operation of a dc brushless motor in a dry-type fan-coil unit by the control information corresponding to the dial-up information:
receiving control information for changing a static pressure value sent by a line controller of the dry type fan-coil unit;
and controlling the current dry type fan coil unit to run to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
6. The method of claim 5 wherein controlling the current state of operation of the dry-type fan-coil unit to the corresponding static pressure value based on the control information for modifying the static pressure value comprises:
determining second rotating speed information required by the brushless direct current motor according to the control information for changing the static pressure value;
and adjusting the input voltage value of the DC brushless motor to control the rotation speed of the DC brushless motor to be adjusted to second rotation speed information required by the DC brushless motor.
7. The method according to claim 6, wherein the adjusting the input voltage value of the dc brushless motor to control the rotation speed of the dc brushless motor to be adjusted to the second rotation speed information required by the dc brushless motor comprises:
acquiring the rotating speed information of the direct current brushless motor in real time;
comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor, and judging whether the rotating speed information is the same as the second rotating speed information;
and if the first rotation speed information is different from the second rotation speed information, continuously adjusting the input voltage value of the direct current brushless motor until the obtained rotation speed information is the same as the determined second rotation speed information required by the direct current brushless motor.
8. A control device for a dry fan coil unit comprising:
the acquisition unit is used for responding to a triggered unit model adjustment instruction and acquiring dial information corresponding to the unit model adjustment instruction;
the first control unit is used for calling control information corresponding to the dial-up information to operate a direct-current brushless motor in the dry-type fan-coil unit;
the first control unit includes:
the jumper wire determining unit is used for determining the position of the dial-up information in a preset second storage list in response to the triggered jumper wire increasing operation, wherein the second storage list is preset with a plurality of dial-up information, each dial-up information corresponds to control information, and the control information represents a control mode of the type of the dry type fan coil unit;
and the second control module is used for acquiring control information corresponding to the position of the dial-up information determined by the jumper wire determining unit and controlling the operation of the direct-current brushless motor according to the control information.
9. The apparatus of claim 8, wherein the first control unit comprises:
the system comprises a first determining module, a second determining module and a control module, wherein the first determining module is used for determining the position of dial information in a preset first storage list, wherein the first storage list is preset with a plurality of types of dial information, each type of dial information corresponds to control information, and the control information represents a control mode of a dry type fan coil unit model;
and the first control module is used for acquiring control information corresponding to the position of the dial information determined by the first determination module and controlling the operation of the brushless direct current motor according to the control information.
10. The apparatus of claim 9, wherein the first control module comprises:
the first determining subunit is used for determining first rotation speed information required by the direct current brushless motor according to the control information;
and the first adjusting subunit is used for adjusting the voltage value of the input direct current brushless motor so as to control the rotation speed of the direct current brushless motor to be adjusted into first rotation speed information required by the direct current brushless motor.
11. The apparatus of claim 10, wherein the first adjusting subunit comprises:
the first acquisition submodule is used for acquiring the rotating speed information of the direct current brushless motor in real time;
the first comparison submodule is used for comparing the acquired rotating speed information with the determined first rotating speed information required by the direct current brushless motor and judging whether the acquired rotating speed information is the same as the determined first rotating speed information;
and the first adjusting submodule is used for continuously adjusting the voltage value of the input direct-current brushless motor when the comparison result of the first comparing submodule is different until the obtained rotating speed information is the same as the determined first rotating speed information required by the direct-current brushless motor.
12. The apparatus of claim 8, further comprising:
the receiving unit is used for calling the control information corresponding to the dial information to operate the direct-current brushless motor in the dry type fan-coil unit, and then sending the control information for changing the static pressure value by a wire controller of the dry type fan-coil unit;
and the second control unit is used for controlling the current dry type fan coil unit to operate to the state of the corresponding static pressure value according to the control information for changing the static pressure value.
13. The apparatus of claim 12, wherein the second control unit comprises:
the second determining subunit is used for determining second rotating speed information required by the direct-current brushless motor according to the control information for changing the static pressure value;
and the second adjusting subunit is used for adjusting the voltage value of the input direct current brushless motor so as to control the rotation speed of the direct current brushless motor to be adjusted into second rotation speed information required by the direct current brushless motor.
14. The apparatus of claim 13, wherein the second adjusting subunit comprises:
the second acquisition submodule is used for acquiring the rotating speed information of the direct current brushless motor in real time;
the second comparison submodule is used for comparing the acquired rotating speed information with second rotating speed information required by the determined direct current brushless motor and judging whether the rotating speed information is the same as the second rotating speed information;
and the second adjusting submodule is used for continuously adjusting the voltage value of the input direct-current brushless motor when the comparison result of the second comparing submodule is different until the obtained rotating speed information is the same as the determined second rotating speed information required by the direct-current brushless motor.
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| CN106524413A (en) * | 2016-11-10 | 2017-03-22 | 珠海格力电器股份有限公司 | Air conditioner control method and device |
| CN106979595B (en) * | 2017-04-27 | 2019-12-27 | 青岛海信日立空调系统有限公司 | Air conditioner type identification method and system |
| CN107015954A (en) * | 2017-05-03 | 2017-08-04 | 珠海格力电器股份有限公司 | Equipment mainboard dial-up method to set up and system |
| CN108131773A (en) * | 2017-12-05 | 2018-06-08 | 广东美的制冷设备有限公司 | Control device, air conditioner and the control method of air conditioner |
| CN110864409B (en) * | 2018-08-15 | 2021-12-21 | 青岛海尔空调器有限总公司 | Control method for air conditioner |
| CN110470035A (en) * | 2019-07-11 | 2019-11-19 | 海信（山东）空调有限公司 | Static pressure modification method, device and the air-cooled ducted air conditioner of air-cooled ducted air conditioner |
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