CN217876363U

CN217876363U - Main and auxiliary temperature control panel

Info

Publication number: CN217876363U
Application number: CN202220594185.3U
Authority: CN
Inventors: 童思杰
Original assignee: Hunan Tongneng Electromechanical Technology Co ltd
Current assignee: Hunan Tongneng Electromechanical Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-11-22
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a main and auxiliary temperature control panel for the tail end of a central air conditioner, which is used for indoor personnel to directly operate the tail ends of N air conditioners, wherein N is more than or equal to 2; the air conditioner terminal comprises a fan coil, and the main temperature control panel and the auxiliary temperature control panel comprise a main panel and a plurality of auxiliary panels; the controlled objects of the main and auxiliary temperature control panels are a high-speed, medium-speed and low-speed fan and an electric two-way valve in the fan coil; the main panel comprises a driving module, a fan and an electric two-way valve, the fan and the electric two-way valve are connected with and control a fan coil, the secondary panel comprises 1-4 paths of selection switches and corresponding 1-4 paths of driving modules, and the fan and the electric two-way valve are connected with and control 1-4 fan coils; the drive module total number on interarea board and the subplate is greater than or equal to N, the utility model discloses a multiple fan coil of indoor in the same region is controlled to a plurality of subplates of interarea board combination, can reduce temperature control panel investment cost by a wide margin, simplifies the operation management.

Description

Main and auxiliary temperature control panel

Technical Field

The invention belongs to the field of control of indoor fan coils of central air conditioners of buildings, and relates to a main temperature control panel and an auxiliary temperature control panel.

Background

An air conditioning system usually employs a fan coil and a temperature control panel, for example, 6 fan coils require 6 temperature control panels, as shown in fig. 1 and 2. The temperature control panel is typically mounted on a wall surface adjacent to the indoor fan coil and is connected thereto by wires. However, the plurality of fan coils installed in the hall, auditorium, conference room, etc. are usually used at the same time, and the time and temperature control parameters are often the same, and under such conditions, repeated parameter setting is performed on each control panel one by one, which obviously increases the unnecessary workload of the user. There is a patent 201610346490.X many fan coil control system of temperature detect switch control, adopts a temperature detect switch and adds the relay case mode, does not have the basic function of every fan coil of independent switch, and can only be used for three fan coil systems, and the practicality is low. And fan coil one-control-multiple controllers, 201820169203.7 air conditioner control system for indirectly controlling multiple fan coil motors, but the air conditioner control system adopts a driving mode that driving signals of multiple fan coils are simply connected in parallel, all fan coils can only be switched on and off at the same time, the basic operation function of independent switching of each fan is lost, independent speed regulation cannot be realized, the use performance of the air conditioner is obviously reduced, and the actual use requirement cannot be met.

Therefore, for a place with a plurality of indoor fan coils, a control panel which is simple to operate and high in cost performance needs to be designed.

Disclosure of Invention

The utility model discloses the technical problem that will solve, its technical scheme as follows:

a main and auxiliary temperature control panel belongs to a man-machine operation platform, is arranged on the wall surfaces of indoor buildings, adults and the like, and is used for indoor personnel to directly operate the tail ends of N air conditioners, wherein N is more than or equal to 2; the air conditioner is characterized in that the air conditioner terminal comprises a fan coil, and the main temperature control panel and the auxiliary temperature control panel comprise a main panel and a plurality of auxiliary panels; the controlled objects of the main and auxiliary temperature control panels are a high-speed, medium-speed and low-speed fan and an electric two-way valve in the fan coil;

the main panel is also provided with the functions of setting on-off, running mode, indoor temperature detection, temperature setting and wind speed adjustment; generally, an electronic temperature control panel is adopted, the interior of the electronic temperature control panel comprises a liquid crystal display screen, an MCU singlechip circuit board, a temperature sensor, a power circuit, a wired communication interface or a wireless communication interface and the like, and the electronic temperature control panel is electrically connected with external alternating current and provides power for the temperature control panel and the electric two-way valve. The main panel can be triggered by a power on/off key of the main panel, an internal timing program or an external signal of a communication interface; the main panel comprises a driving module, a fan and an electric two-way valve, wherein the driving module is connected with and controls the fan and the electric two-way valve of a fan coil, and the four-pipe fan coil comprises cold water and hot water driving two-way valves; the driving module adopts a relay to control the high, medium and low speed three gears of the fan and the switch of the electric two-way valve.

The auxiliary panel comprises 1-4 paths of selection switches and corresponding 1-4 paths of driving modules, and a fan and an electric two-way valve which are connected with and control 1-4 fan coils, wherein the auxiliary panel is limited by the size of the panel and the installation wiring space; the total number of the driving modules on the main panel and the secondary panel is more than or equal to N, and when the total number of the switch units is more than N, the exceeding switch units can be vacant and are not connected with the fan coil pipe, and system backup can be carried out.

The sub-panel is generally installed beside the temperature control panel, the main panel and the sub-panel are connected through a wired or wireless signal, preferably a wired connection, and for the sub-panel without a power module in the electronic key switch, the working power is obtained from the temperature control panel through a signal wire.

The selection switch adopts a rocker switch or an electronic key switch and comprises two states of closing and connecting, and when the selection switch is closed, the connected fan coil is turned off; when the selection switch is switched on, the driving module of the secondary panel is in signal connection with the temperature control panel, and the state of the fan gear and the electric two-way valve which are connected with the driving module of the secondary panel are consistent with the state of the fan gear and the electric two-way valve which are connected with the main panel and are connected with the fan coil. That is, the fan coil of the secondary panel can not independently adjust the wind speed, but can be independently shut down, and N fan coils can only partially run.

The selection switch adopts a multi-gear change-over switch comprising closed, automatic, high-speed, medium-speed and low-speed gears; the multi-gear change-over switch adopts an electronic key type or mechanical knob switch;

when the selection switch is in a closing gear, the connected fan coil is shut down; when the selection switch is in an automatic gear, the states of the fan gear and the electric two-way valve connected with the selection switch are consistent with the states of the fan gear and the electric two-way valve connected with the fan coil by the main panel; when the difference between the set target temperature and the detected actual temperature is larger, the wind speed is higher, and vice versa; at the moment, the electric two-way valve of the fan coil and the fan wind speed are simultaneously controlled by the main panel.

When the selection switch is in a high-speed gear, the fan connected with the selection switch is in a high speed, and the state of the electric two-way valve is consistent with that of the electric two-way valve connected with the fan coil by the main panel; medium and low speeds are the same as high speeds. The fans connected with the secondary panel can be independently regulated and switched on and off, and the wind speed of each fan can be different.

And when the main panel and the secondary panel are in a starting-up state and a connection state, the main panel is closed, and all fan coils connected with the secondary panel are closed.

And only when the main panel is in an open state, the selection switch of the secondary panel is switched on, and the fan coil corresponding to the secondary panel operates.

When the main panel and the sub-panels are both in a power-off state and a power-off state, the main panel is triggered to be powered on at the same time as long as any one of the selection switches in any one of the sub-panels is switched on.

The fan of the fan coil adopts a direct-current brushless fan motor, and the driving module is provided with a corresponding driving circuit.

When the electric valve of the fan coil adopts the electric proportional valve, the driving module outputs a driving signal matched with the electric proportional valve.

For example, 6 fan coils are arranged in a certain conference room, and 6 temperature control panels are arranged on the wall surface; for the convenience of installation construction and daily operation, 6 temperature control panels are generally installed side by side in a centralized mode. The size of the temperature control panel is 86x 86mm, the temperature sensors in the 6 temperature control panels are also within a small range of half a meter, and obviously, the indoor air temperature data detected by the 6 temperature control panels are almost the same; in addition, 6 fan coils are also positioned in the same space, the return air temperature is almost the same, and the temperature requirements are basically consistent, so that the control logics of 6 temperature control panels to the 6 fan coils and the electric motor are almost the same. Or, for a plurality of fan coils in the same space, only one set of temperature control system is needed to share one temperature control panel, so that the cost can be reduced, and the operation can be simplified.

The air conditioner terminal also comprises at least one of other indoor air conditioning units such as a suspended ceiling air cabinet, an indoor unit of a multi-split air conditioner, a VAV air conditioner variable air volume terminal device, a ground heating pipe, a cold radiation coil pipe and the like.

The secondary panel or the main panel is provided with a time delay unit. The time delay unit can delay the control signal output by the main panel to the secondary panel, and the time delay is adjustable and is different from seconds to tens of seconds. The time delay function is arranged, so that a plurality of fan coils can be started separately, and the generation of large noise during simultaneous starting is avoided. The fan coil is usually installed on an indoor ceiling layer and is close to a person, a plurality of fans and the electric two-way valve simultaneously act instantly, noise larger than that of the fan coil which acts one by one can be generated, even resonance of a ceiling bracket, an illuminating lamp and the like can be caused, and especially when the fan is started and stopped, the noise is maximum in the conversion process from static to dynamic balance.

Drawings

FIG. 1 is a schematic external view of a main panel;

FIG. 2 is a schematic diagram of a conventional temperature-controlled 6-stage fan coil;

FIG. 3 is a schematic diagram of the principle of controlling 6 fans coil pipes by master-slave temperature control;

FIG. 4 is a schematic diagram of a master-slave type temperature control 6-stage fan coil circuit principle;

FIG. 5 is a schematic view of the appearance of a coil pipe of a 6-stage fan controlled by master-slave temperature control;

FIG. 6 is a schematic diagram of a circuit of a sub-panel using an electronic key type multi-stage switch;

FIG. 7 is a schematic view of the appearance of a sub-panel using an electronic speed-adjusting switch;

FIG. 8 is an appearance view of the 3# sub-panel adopting a mechanical knob switch

Detailed Description

The invention will be described in further detail below with reference to the following figures and specific examples:

example 1: referring to fig. 1 to fig. 3-5, a primary and secondary temperature control panel is used for controlling N fan coils, where N is greater than or equal to 2, where N =6 is taken as an example; comprises 1 main panel and 3 sub-panels; the controlled objects of the fan coil are a high-speed, medium-speed and low-speed fan and an electric two-way valve;

the main panel is equipped with switch on and off, the operational mode, indoor temperature detects, temperature setting and wind speed adjustment function, generally adopts electron temperature control panel, and inside includes liquid crystal display, MCU singlechip circuit board, temperature sensor, power supply circuit, wired communication interface or wireless communication interface etc. is connected with outside alternating current, provides the power for main panel and electronic two-way valve. The system also comprises a driving module which is connected with and controls a fan and an electric two-way valve of a fan coil; the driving module adopts a relay to control the high, medium and low speed three gears of the fan and the electric two-way valve switch.

In the embodiment, each of the two-way selection units comprises a two-gear rocker switch and a one-way driving module, and a fan and an electric two-way valve which are connected with and control a fan coil are arranged on the two-way selection unit and the single-way selection unit respectively; the main panel is connected with the secondary panel through a wired signal;

when the shift warping switch is closed, the connected fan coil is shut down; when the shift warping switch is switched on, the state of the fan shift and the electric two-way valve connected with the shift warping switch is consistent with the state of the fan shift and the electric two-way valve connected with the main panel.

Example 2: referring to fig. 6-7, the difference from embodiment 1 is that the selection switch is an electronic key type multi-gear change-over switch, which includes five gears of off, automatic, high speed, medium speed, and low speed, and four LED lights are used for indication; when the selection switch is in a closing gear, the four LED lamps are not lightened, and the connected fan coil is turned off; when the selection switch is in an automatic gear, the state of the selection switch connected with the fan coil and the electric two-way valve is consistent with the state of the main panel connected with the fan coil and the electric two-way valve;

when the selection switch is in a high-speed gear, a fan connected with the selection switch is in a high speed, and the medium speed, the low speed and the high speed are the same as each other. The state of the electric two-way valve is irrelevant to the wind speed gear, and as long as the selector switch is in any one of automatic, high, medium and low gears, the state of the electric two-way valve is consistent with the state of the electric two-way valve of the main panel connected with the fan coil.

Example 3: referring to fig. 8, the difference from embodiment 2 is that a mechanical multi-gear change-over switch is used as a part of the selection switches; namely, the subpanels of the 1# and 2# two-way selection units adopt electronic key type multi-gear change-over switches, and the subpanel of the 3# one-way selection unit adopts mechanical knob switches.

Example 4: the difference from the embodiment 1 is that the fan coil fan adopts a direct current brushless fan motor, and the driving module is provided with a corresponding driving circuit; the selection switch comprises a switch-off, automatic and manual three-gear switch and a stepless speed regulation switch; when the three-gear switch is in a manual gear, the wind speed is set through the stepless speed regulating switch without additional drawings.

Example 5: the difference from the embodiment 1 is that when the electric proportional valve is adopted by the fan coil, the driving module outputs a driving signal matched with the electric proportional valve, and the drawing is not additionally provided.

Example 6: the difference from the embodiment 1 is that when the main panel and the 3 secondary panels are both in the on state, all switch units of the main panel are closed, and the fan coil connected with the 3 secondary panels are also closed;

when the main panel and the 3 sub-panels are both in a power-off state, any path of selection unit in any one sub-panel is started, and the main panel is also opened at the same time. The main panel can be started up through a key of the main panel, and can also be started up through an external sub-panel, the sub-panel not only receives a main panel signal, but also can send a starting-up signal to the main panel, and the running state of the main panel is the state when the main panel is shut down last time, and no other drawings are needed.

Example 7: the difference from the embodiment 1 is that the air conditioner terminal can also be other indoor air conditioner units such as a ceiling air cabinet, an indoor unit of a multi-split air conditioner, a VAV air conditioner variable air volume terminal device, a ground heating pipe, a cold radiation coil pipe and the like, and no additional drawings are provided.

Example 8: the difference from the embodiment 1 is that the sub panel or the main panel is provided with a delay function, a control signal output from the main panel to the sub panel can be delayed, the delay time is adjustable and is different from several seconds to tens of seconds, and no additional drawing is needed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. It is intended that all such modifications and variations fall within the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. A main and auxiliary temperature control panel is used for indoor personnel to directly operate the tail ends of N air conditioners, wherein N is more than or equal to 2; the air conditioner is characterized in that the air conditioner terminal comprises a fan coil, and the main temperature control panel and the auxiliary temperature control panel comprise a main panel and a plurality of auxiliary panels; the controlled objects of the main and auxiliary temperature control panels are a high-speed, medium-speed and low-speed fan and an electric two-way valve in the fan coil;

the main panel comprises a driving module, a fan and an electric two-way valve, wherein the driving module is connected with and controls the fan and the electric two-way valve of a fan coil;

the secondary panel comprises 1-4 paths of selection switches and corresponding 1-4 paths of driving modules, and a fan and an electric two-way valve which are connected with and control 1-4 fan coils; the total number of the driving modules on the main panel and the secondary panel is more than or equal to N;

the main panel is connected with the secondary panel through wired or wireless signals;

the selection switch adopts a rocker switch or an electronic key switch.

2. The primary and secondary temperature control panels as claimed in claim 1, wherein said selector switch is a multi-shift switch including off, automatic, high speed, medium speed, low speed; the multi-gear change-over switch adopts an electronic key type or mechanical knob switch.

3. The primary and secondary thermal control panels of claim 1, wherein when said primary and secondary panels are in an on and an off condition, the primary panel is turned off and all fan coils connected to said secondary panel are turned off.

4. The primary and secondary temperature control panels of claim 1, wherein a fan coil associated with said secondary panel is operated only when said primary panel is in an open position and a selector switch of said secondary panel is engaged.

5. The primary and secondary temperature control panels as claimed in claim 1, wherein when both said primary and secondary panels are in an off and an off state, the primary panel is triggered to turn on simultaneously as long as any one of the selector switches in any one of the secondary panels is turned on.

6. The primary and secondary temperature control panels as claimed in any one of claims 1-5, wherein said fan coil fan is a DC brushless fan motor.

7. The primary and secondary temperature control panels as claimed in any one of claims 1-5, wherein when the electrically operated valve of the fan coil is an electrically operated proportional valve, the driving module outputs a driving signal matching the electrically operated proportional valve.

8. The primary and secondary temperature control panels of claim 1, wherein the air conditioning terminal further comprises at least one of a ceiling fan, a multi-split air conditioning unit, a VAV air conditioning variable air volume terminal, a floor heating pipe, and a cold radiation coil.

9. The primary and secondary temperature control panels as claimed in any one of claims 1 to 5, wherein the secondary or primary panel is provided with a time delay unit.