CN219913374U

CN219913374U - Fan coil driver

Info

Publication number: CN219913374U
Application number: CN202321253306.9U
Authority: CN
Inventors: 李冠军
Original assignee: Beijing Pegrand Intelligent Technology Co ltd
Current assignee: Beijing Pegrand Intelligent Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-27
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the field of central air conditioner control, in particular to a fan coil driver. The utility model comprises a temperature sensor, a main control processor and a wireless transceiver module; the temperature sensor is connected with the main control processor and is used for acquiring the ambient temperature and outputting a temperature acquisition signal; the wireless transceiver module is connected with the main control processor and is used for receiving a control instruction and sending the control instruction to the main control processor; the main control processor is used for receiving the temperature acquisition signal, outputting a control signal according to the temperature acquisition signal or the control instruction, outputting the control signal to the execution equipment, and further controlling the fan coil to work. The purpose of remotely and automatically controlling the fan coil is achieved, so that a user can feel comfortable and convenient when using and controlling the central air conditioner.

Description

Fan coil driver

Technical Field

The utility model relates to the field of central air conditioner control, in particular to a fan coil driver.

Background

Along with the development of society, the living standard of people is also continuously improved, and the requirements on the living quality are also continuously improved. Many people now face hot summer and cold winter to regulate the indoor temperature by air conditioning. And large public areas such as schools, shops, office buildings and the like can be subjected to temperature adjustment by using a central air conditioner. The fan coil is an end device of the central air conditioner for adjusting the temperature and plays an important role in adjusting the temperature.

When the central air conditioner operates, the central air conditioner host is used for heating or refrigerating system circulating chilled water, then the chilled water circulating pump in the central air conditioner is used for conveying hot water or cold water to fan coils in all machine rooms, heat exchange between the chilled water and air in the fan coils is completed through the action of a fan in the fan coils, and then hot air or cold air after heat exchange is conveyed to ventilation openings of all central air conditioners. Therefore, the fan coil plays an important role in regulating the temperature. Because the large public area has larger area and volume, a plurality of machine rooms are arranged, and the distance between the machine rooms and the air conditioner host is also longer. However, in order to save manpower, personnel cannot be set in the machine room for a long time to watch, and in addition, the control of the fan coil in the current market is mostly manual control. This makes it necessary to manually adjust the temperature of the air conditioner by a person to control the temperature, which results in unnecessary manpower consumption to control the air conditioner, and thus the air conditioner is inconvenient and comfortable to use.

Aiming at the related technology, the control of the fan coil at present has the problem that remote control cannot be carried out and the use is inconvenient.

Disclosure of Invention

To achieve remote control, the present utility model provides a fan coil drive.

The fan coil driver provided by the utility model adopts the following technical scheme:

a fan coil driver comprises a temperature sensor, a main control processor and a wireless transceiver module;

the temperature sensor is connected with the main control processor and is used for acquiring the ambient temperature and outputting a temperature acquisition signal;

the wireless transceiver module is connected with the main control processor and is used for receiving and sending out control instructions, and the main control processor receives the control instructions;

the main control processor is used for receiving the temperature acquisition signal and the control instruction, outputting a control signal according to the temperature acquisition signal or the control instruction, and outputting the control signal to the execution equipment.

Through adopting above-mentioned technical scheme, be provided with temperature sensor and wireless transceiver module, and link to each other with main control processor respectively, temperature sensor gathers and output temperature acquisition signal, receives temperature acquisition signal and sends control signal to actuating device by main control processor, and then controls fan coil. The control instruction can be received remotely through the wireless transceiver module and sent to the main control processor, and the main control processor receives the control instruction and sends a control signal to the execution equipment so as to control the fan coil. The temperature sensor automatically collects temperature information in the environment, and the main control processor controls the specific wind speed and the temperature of the fan coil according to the collected temperature information. Thereby realizing the purpose of remotely and automatically controlling the fan coil, and ensuring that a user is comfortable and convenient when using and controlling the central air conditioner.

Preferably, the wireless transceiver further comprises an input module, wherein the input module is respectively connected with the main control processor and the wireless transceiver module, and the input module is used for outputting control instructions.

By adopting the technical scheme, when the input module outputs a control instruction, the control instruction can be output through the remote output of the network signal or through the close-range key. The degree of freedom of the user in use is increased, so that the user is more comfortable and convenient in controlling the central air conditioner.

Preferably, the intelligent electric power supply further comprises an outer shell, wherein a control key, a network interface groove and a wiring terminal groove are arranged on the outer shell, the network interface groove is used for placing a network interface, the wiring terminal groove is used for placing a wiring terminal, and the control key, the network interface and the wiring terminal are connected with the main control processor.

Through adopting above-mentioned technical scheme, the outside casing can effectively protect inside component and module not receive the damage, and the control button that sets up on the outside casing can make the user use manual control when not needing remote control. The wiring terminal is used for being connected with a wind speed switch and a water valve switch of the fan coil. The fan coil driver receives external instructions through the network interface, the main control processor outputs control signals according to the external instructions, and then the control signals are output to the positions of the wind speed switch and the water valve switch of the fan coil through the connecting terminals, so that remote control is realized. Further increasing the convenience of use for the user.

Preferably, the system further comprises a reset module, wherein the reset module is connected with the main control processor;

the control key controls the main control processor to output a reset control signal, and the reset module receives the reset control signal.

Through adopting above-mentioned technical scheme, through linking to each other reset module with main control processor, by control button input reset instruction, main control processor receives reset instruction and output reset control signal, reset module receives reset control signal and accomplishes specific reset work. The reset function can enable a user to use the control key to control the equipment to reset when the operation is lost or the equipment fails, so that the loss of the user is timely stopped and reduced.

Preferably, the system further comprises a timing module, wherein the timing module is respectively connected with the main control processor and the input module;

the input module outputs a timing instruction, and the timing module receives the timing instruction and sends a timing control signal to the main control processor.

By adopting the technical scheme, the timing module is respectively connected with the main control processor and the input module, and the time parameter can be set through the input module, so that the fan coil is opened for use in a time period appointed by a user. The loss to equipment can be effectively reduced, and the situations such as forgetting to turn off the equipment are avoided, so that the waste of electric power is effectively avoided.

Preferably, the device further comprises a light control module, wherein the control key is a light key, and the light control module is connected with the main control processor;

the light control module receives the control signal sent by the main control processor and outputs a light control signal to control the light color and the brightness of the light key.

By adopting the technical scheme, the control key uses the light key and is controlled by the light control module connected with the main control processor. When receiving the control instruction, the main control processor outputs a corresponding control signal, and the light control module connected with the main control processor receives the control signal and outputs a corresponding light control signal to control the light color and the brightness of the light keys. Therefore, a user can more intuitively know the control state of the fan coil when using the fan coil.

Preferably, the terminal protrudes from the outer housing.

Through adopting above-mentioned technical scheme, adopt binding post to outstanding setting at the external shell, can make more convenient and fast when carrying out the wiring.

Preferably, the outer shell is a PC+ABS flame retardant shell.

By adopting the technical scheme, the fan coil driver is in a working environment with higher temperature generally, and the fan coil driver can generate heat during working. As the operating time increases, equipment may burn out due to temperature and even fire may occur. The PC+ABS shell can avoid the occurrence of the situation.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. ambient temperature information is acquired in real time through a temperature sensor, and a control processor controls the specific wind speed and the temperature of the fan coil according to the acquired temperature information. Thereby realizing the purpose of remotely and automatically controlling the fan coil, and ensuring that a user is comfortable and convenient when using and controlling the central air conditioner.

2. The timing module is arranged to realize the timing function, so that the fan coil can be opened for use in a time period appointed by a user. The loss to equipment can be effectively reduced, and the situations such as forgetting to turn off the equipment are avoided, so that the waste of electric power is effectively avoided.

3. The reset function is realized by setting the reset module, so that a user can use the control key to control equipment to reset when the operation is lost or the operation fails, and the loss of the user is timely stopped and reduced.

Drawings

FIG. 1 is a block diagram of a control flow in an embodiment of the utility model;

FIG. 2 is a diagram of internal connections in accordance with an embodiment of the present utility model;

FIG. 3 is a top side view of a fan coil drive according to an embodiment of the present utility model;

FIG. 4 is a bottom view of a fan coil drive according to an embodiment of the present utility model;

fig. 5 is an overall block diagram of a fan coil drive in accordance with an embodiment of the present utility model.

Reference numerals illustrate: 1. a main control processor; 11. a control processing chip; 12. an input module; 13. a reset module; 14. a timing module; 15. a light control module; 2. a temperature sensor; 3. a wireless transceiver module; 4 an outer housing; 41. a control key; 411. a light blocking sheet; 412. a light guide key; 42. a network interface; 43. a connection terminal; 431. a terminal base; 44. a control main board; 45. an upper case; 46. a lower case; 47. a screw; 48. a gasket; 49. wall hanging ports; 5. an execution device; 6 power supply.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a fan coil driver. Referring to fig. 1 to 5, the temperature sensor 2, the main control processor 1, and the wireless transceiver module 3 are included.

The temperature sensor 2 is connected with the main control processor 1 and is used for acquiring environmental temperature information and outputting corresponding temperature acquisition signals, a temperature sensing element in the temperature sensor 2 adopts a thermistor, and the specific model of the thermistor can be an MF52D thermistor.

The wireless transceiver module 3 is connected with the main control processor 1 and is used for receiving control instructions. The wireless transceiver module 3 and the main control processor 1 are connected with a power supply 6, the power supply 6 can be an external power supply or can be a power supply arranged in the equipment, and the power supply 6 is used for providing necessary power for the operation of the whole equipment.

The main control processor 1 includes a control processing chip 11, specifically a PIC16F1716 chip, configured to receive a temperature acquisition signal output by the temperature sensor 2 and a control instruction received by the wireless transceiver module 3, and output a corresponding control signal according to the temperature acquisition signal or the control instruction.

The wireless transceiver module is characterized by further comprising an input module 12, wherein the input module 12 is respectively connected with the main control processor 1 and the wireless transceiver module 3 and is used for outputting control instructions to the main control processor 1, and the main control processor 1 receives the control instructions and sends corresponding control signals. The main control processor 1 can receive control instructions through wire connection; the control command can also be received remotely by connecting the wireless transceiver module 3. The control command is transmitted in a wireless signal manner, and the corresponding control command is received by the wireless transceiver module 3 and output to the main control processor 1.

The fan coil driver also comprises a reset module 13 which is connected with the main control processor 1 and is used for resetting the fan coil driver.

And a timing module 14 is also included, and the timing module 14 is respectively connected with the main control processor 1 and the input module 12. The input module 12 outputs timing instructions and the timing module 14 receives timing instructions and outputs corresponding timing signals to the main control processor 1 for controlling the fan coil driver to operate for a specified period of time.

And a light control module 15 is connected with the main control processor 1.

Comprising an outer housing 4 and a control motherboard 44.

The outer shell 4 is divided into an upper shell 45 and a lower shell 46, and the shell material can be specifically a PC+ABS flame-retardant shell. The upper case 45 is provided with a control key 41, a network interface slot, and a terminal slot, and the lower case is provided with a wall hanging hole 49. The upper case 45 is connected with the lower case 46 by a screw 47, and a spacer 48 is further provided under the screw 47.

The control keys 41 are specifically light keys, and are respectively connected with the main control processor 1 and the light control module 15, and are used for conveying control instructions to the main control processor 1 in a manual control key manner. The light control module 15 receives the control command and sends out a light control signal to control the light color and the brightness of the light keys. The control key 41 further comprises a light guide key 412 and a light blocking sheet 411 for guiding the light to the control key 41 better, so that the light effect of the light key is better.

The network interface slot is used for placing a network interface 42, and the network interface 42 is connected with the main control processor 1. The network interface 42 may be, in particular, an RJ11 network interface for transmitting control commands over the connection wires. The wiring terminal groove is used for placing wiring terminal 43, is provided with terminal base 431 on control mainboard 44, installs wiring terminal 43 on the terminal base 431, and wiring terminal 43 outstanding in outside casing 4, wiring terminal 43 is connected with main control processor 1 for connect execution equipment 5 and with the control signal transmission that main control processor 1 sent to execution equipment 5, fan coil's wind speed switch and water valve switch promptly.

The control main board 44 is installed in the outer casing 4, and the main control processor 1, the wireless transceiver module 3, the input module 12, the reset module 13, the timing module 14, the light control module 15, the network interface 42 and the terminal base 431 are all disposed on the control main board 44.

The implementation principle of the embodiment of the utility model is as follows:

when the fan coil is actually controlled, the fan coil driver is communicated with the user control end through a wire or a wireless signal, and the specific communication mode can be PI-BUS/ModBusRTU protocol. The user control terminal can be a temperature control panel or a background server. Firstly, a user control terminal is used for setting control parameters, wherein the control parameters comprise wind speed parameters, temperature parameters and timing parameters. The control instruction is converted from control parameters, the control instruction is transmitted to the fan coil driver through a wire and a wireless signal, the control instruction is transmitted to the main control processor 1 through the wire, and the wireless transceiver module 3 receives the control instruction of the wireless signal and transmits the control instruction to the main control processor 1. The main control processor 1 generates a corresponding control signal according to the control instruction, and then transmits the control signal to the wind speed switch and the water valve switch of the fan coil through the wiring terminal 43 to control until the temperature reaches the temperature parameter input by the user control end.

When the temperature control is carried out, the temperature sensor 2 collects the temperature information of the surrounding environment in real time and outputs a corresponding temperature collection signal, and the main control processor 1 receives the temperature collection signal and transmits the environment temperature information back to the user control end in real time, so that the user can detect the environment temperature in real time.

When the temperature reaches the temperature specified by the temperature parameter, the fan coil drive transitions to an automatic mode. In the automatic mode, the main control processor 1 controls the ambient temperature according to the temperature acquisition signal output by the temperature sensor 2 in real time, and controls the environment at a specified temperature.

To avoid the fan coil operating when not necessary, a time period timing function is also provided. The timing module 14 outputs a timing control signal to the main control processor 1 at a designated time by setting a timing parameter by the user control terminal and transmitting a timing instruction converted from the timing parameter to the timing module 14, so that the main control processor 1 controls the fan coil to operate at the designated time.

The user can specify the parameter control cooling mode and heating mode, and the parameter specified in this embodiment is 23 ℃.

Automatic mode specific control procedure:

and when the set temperature is lower than 23 ℃, and the ambient temperature is always higher than the designated temperature, starting a refrigeration mode, and opening a fan disc tube refrigeration valve to deliver cold air until the ambient temperature is kept at the designated temperature.

When the set temperature is higher than 23 ℃, and the ambient temperature is always lower than the set temperature, a heating mode is started, and the fan disc tube heating valve is opened to deliver cold air until the ambient temperature is kept at the set temperature.

When the energy-saving state is not achieved, the indoor temperature is too high or too low compared with the set temperature, the fan coil is always started, and the room cannot be cooled or heated to the set value, and the like, a manual mode is adopted.

Manual mode specific control procedure:

the specific implementation operation can be that when the equipment is in the power-on state and the control key 6S is pressed, the blue lamp is normally on, the blue lamp is extinguished after being released, the equipment is in a manual mode, and at the moment, the blue lamp is on for 0.1S and off for 3S; every time a key is pressed, the wind speed gear is switched once, the corresponding indicator lights flash once, the red light is lighted to represent low speed, the green light is lighted to represent medium speed, and the blue light is lighted to represent high speed. The control key 3S is pressed for a long time, the blue lamp is always on, and is extinguished after being released, and the manual mode is exited.

When misoperation or faults occur, a reset instruction can be input to the main control processor 1 through the control key, the main control processor 1 receives the reset instruction and sends a reset control signal to the reset module 13, and then the reset module 13 performs reset operation.

The specific implementation operation can be that when the equipment is in a non-electrified state, the key 6S is pressed for a long time before the equipment is electrified, the red light flashes for three times, and is extinguished after being released, the equipment performs an initialization function, and the equipment is automatically restarted after the initialization is successful.

In order to save labor cost and reduce control cost, fan coil drivers arranged in a plurality of machine rooms are connected in series through network interface connecting wires, and a user control end is connected with the series structure in a communication mode, and a plurality of fan coils are controlled to work through the user control end, so that the effect of large-scale control is achieved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The fan coil driver is characterized by comprising a temperature sensor (2), a main control processor (1) and a wireless transceiver module (3);

the temperature sensor (2) is connected with the main control processor (1) and is used for acquiring the ambient temperature and outputting a temperature acquisition signal;

the wireless transceiver module (3) is connected with the main control processor (1) and is used for receiving and sending out control instructions, and the main control processor (1) receives the control instructions;

the main control processor (1) is used for receiving the temperature acquisition signal and the control instruction, outputting a control signal according to the temperature acquisition signal or the control instruction, and outputting the control signal to the execution equipment (5).

2. The fan coil drive of claim 1, wherein: the wireless transceiver further comprises an input module (12), wherein the input module (12) is respectively connected with the main control processor (1) and the wireless transceiver module (3), and the input module (12) is used for outputting control instructions.

3. The fan coil drive of claim 1, wherein: still include outside casing (4), be provided with control button (41), network interface groove and wiring terminal groove on the outside casing, the network interface groove is used for placing network interface (42), the wiring terminal groove is used for placing binding post (43), control button (41) network interface (42) with binding post (43) all with main control processor (1) links to each other.

4. A fan coil drive as set forth in claim 3, wherein: the system also comprises a reset module (13), wherein the reset module (13) is connected with the main control processor (1);

the control key (41) controls the main control processor (1) to output a reset control signal, and the reset module (13) receives the reset control signal.

5. The fan coil drive of claim 2, wherein: the system also comprises a timing module (14), wherein the timing module (14) is respectively connected with the main control processor (1) and the input module (12);

the input module (12) outputs a timing instruction, and the timing module (14) receives the timing instruction and sends a timing control signal to the main control processor (1).

6. A fan coil drive as set forth in claim 3, wherein: the intelligent control system further comprises a light control module (15), wherein the control key (41) is a light key, and the light control module is connected with the main control processor (1);

the light control module (15) receives the control signal and outputs a light control signal to control the light color and the brightness of the light key.

7. A fan coil drive as set forth in claim 3, wherein: the connection terminal (43) protrudes from the outer housing (4).

8. A fan coil drive as set forth in claim 3, wherein: the outer shell (4) is a PC+ABS flame-retardant shell.