CN210980266U

CN210980266U - Flexible controller of electric valve

Info

Publication number: CN210980266U
Application number: CN201921674176.XU
Authority: CN
Inventors: 谢梦; 童献文
Original assignee: Hunan Tongneng Electromechanical Technology Co ltd
Current assignee: Hunan Tongneng Electromechanical Technology Co ltd
Priority date: 2018-11-18
Filing date: 2019-10-08
Publication date: 2020-07-10
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses an electric valve flexible controller, which comprises a control module, a display screen, an output module and an input module; the display screen, the output module and the input module are all connected with the control module; the output module is connected with the electric valve; the input module is used for inputting instructions or parameters; the input module is configured to set an electrically operated valve flexibility parameter; the flexible parameters comprise flexible action setting and starting flexible action condition setting; the control module is provided with a timer; the utility model discloses need not to increase hardware, it is dead by the foreign matter card to enable the case, improves the reliability of motorised valve.

Description

Flexible controller of electric valve

Technical Field

The utility model belongs to the valve control field relates to a flexible controller of motorised valve.

Background

The air-conditioning terminal equipment comprises a fan coil, a suspended ceiling air cabinet and a fresh air unit, is generally arranged in an indoor suspended ceiling layer and is connected with a central air-conditioning system through a pipeline, and cold/hot water cools or heats air through the coil and then conveys the air to a room through a fan; usually, an electric valve (or two electric valves for cooling and heating) is provided at each air conditioning terminal, and the air conditioning terminals are operated by an indoor user through a temperature control panel.

The electric valve is a key part for controlling the temperature of the indoor air conditioner, is arranged on a water inlet pipe at the tail end of the air conditioner and is controlled by a temperature control panel. The temperature control panel automatically switches on and off the electric valve through the comparison of the set temperature and the indoor air temperature, thereby controlling the indoor air temperature. Statistics shows that the electric valves are the parts with the highest failure rate in the whole central air-conditioning system, and most of the electric valves are either blocked or not closed tightly. The existing electric valve maintenance technology needs to disassemble the valve body, hundreds of electric valves are all installed in the indoor ceiling layer, and the maintenance or the replacement is very difficult; and the valve also often bears higher water pressure in the pipeline, and the valve body surface still has the heat preservation sponge, careless leak water slightly during the maintenance, has become the difficult problem that puzzles whole central air conditioning trade now.

Meanwhile, the valve is stuck due to dirt in water in use, and is obviously irrelevant to valve manufacturers and installation units, so that the valve also seems to be a common and invisible problem.

Therefore, the following comprehensive analysis is carried out for the problem:

1. analyzing the use environment: although the electric valve inlet is provided with a filter, the electric valve inlet can only filter and remove impurities with larger particles in water; for a huge central air-conditioning water circulation system, fine impurities such as solid dust, calcium and magnesium ions in water and the like which cannot be filtered are often generated in the water, and the carbon steel pipeline generates rusty mud after a long time in the water.

In addition, central air conditioning systems are typically operated intermittently, in stages, on during the day, off at night, and in summer and winter; particularly, the pipeline circulating water pump and the electric valve are in a shutdown state for months in spring festival and autumn, the pipeline circulating water pump and the electric valve are also kept in a closed state for months, water in the pipeline is also in a static state all the time, and fine impurities and rust mud in the water are slowly deposited on the inner wall of the pipeline and the surface of the valve core. And the water temperature in the pipeline is greatly changed, the pipeline can be accelerated to rust and corrode by the low-temperature water at the temperature of 7-12 ℃ in summer, and the calcification and hardening of the sediment on the surface of the valve core can be accelerated by the high-temperature water at the temperature of 45-60 ℃ in winter.

2. Object analysis

1) The electric valve controller is generally a temperature control panel and is electrically connected with the electric valve, the opening and closing of the electric valve are controlled through temperature control logic of the temperature control panel, usually, the electric valve controller directly gives an opening or closing signal to the electric valve, so that the electric valve is opened or closed at one time, if a valve core meets foreign matters during action and is still continuously opened or closed, the valve core is often locked and fixed, the driving current is overlarge, and a motor in the electric valve is heated to be burned out finally. The existing temperature control panel only serves indoor air conditioner users, and meets the use requirements of convenient operation, attractive appearance and comfortable temperature control, so that a temperature control panel manufacturer does not consider the problem that an electric valve is blocked or not closed tightly.

2) Electric valve: as a valve manufacturer, only paying attention to the quality of the electric valve, such as sealing pressure resistance, reliability of an electronic component of an electric actuator, structural strength of a valve body and the like; if the problem that the valve is easy to block is solved, the power of a valve body driving motor is usually increased, or the material of a valve core is improved, such as metal is changed into ceramic, and the like, but the effect is not ideal in practical application at present, the valve cost is often increased, the cost performance is reduced, and because the valve with better quality cannot cope with continuous accumulation of scale, a valve manufacturer cannot list the problem into the product quality problem.

3) Pipeline installation unit: only considering that the pipeline is watertight and has even water distribution, generally only cleaning impurities of a sewer filter after installation, and regarding to the problem that the electric valve is blocked by scale during operation, the water distributor is not considered.

4) Central air-conditioning management maintenance unit: besides the water quality treatment of the circulating water, the electric valve can be maintained or replaced, and the problem cannot be solved by a passive treatment department.

From the above analysis, it can be seen that each object is responsible for each task, and each object has no, or no possibility to analyze and solve the problem in a holistic and fundamental way. Therefore, there is a need to design a new electric valve controller, which can reduce the failure rate of the electric valve, facilitate the central air-conditioning manager to perform temperature control management on the air conditioner, and reduce the operation energy consumption without increasing hardware.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a flexible controller of motorised valve is provided, lets the motorised valve adopt flexible switch action, makes the case difficult card die when the switch action.

The technical solution of the utility model is as follows:

a flexible controller of an electric valve is connected with the electric valve and used for controlling the opening and closing (opening or closing) of the electric valve, the flexible controller of the electric valve is provided with a flexible driving unit used for driving the flexible action of the electric valve, and the flexible driving unit is a forward and backward progressive driving unit or an impulse driving unit;

the forward and reverse progressive driving unit is used for driving the electric valve to alternately move forward and reversely for multiple times when the electric valve is closed or opened;

the pulse driving unit is used for sending a plurality of opening pulse signals to drive the electric valve to open; or sending a plurality of closing pulse signals to drive the electric valve to close.

The electric valve flexible controller drives the electric valve to open and close, and the electric valve also has a flexible opening and closing mode except the conventional direct opening and closing mode; the electric valve is opened in a flexible mode, or the electric valve is closed in a flexible mode, or both the electric valve and the electric valve are opened and closed in a flexible mode; or the flexible opening and closing mode is adopted for each action of the electric valve operation, or the flexible opening and closing mode is adopted for only specific partial actions of the electric valve.

In many application places of electric valves, the inertia of a control medium is large, and the influence of action of tens of seconds on the air temperature can be almost ignored if the electric water valve in a central air conditioner is used; meanwhile, the electric valve is different from an electromagnetic valve with instant action, the opening and closing action time is generally ten seconds, and the flexible opening and closing is possible.

Furthermore, the flexible switching mode indicates that the electric valve driving signal adopts a forward and backward progressive mode, when the electric valve is switched on from off, the electric valve is firstly given an opening signal to the electric valve, the valve core moves forwards for a section of position, then the electric valve is given a closing signal to the electric valve, the valve core moves backwards for a section of position, the operation is repeated for a plurality of times, the backward movement position of each time is smaller than the forward movement position, and then the electric valve is completely opened, wherein the middle of the forward movement and the backward movement can be slightly stopped; and vice versa.

If the valve action time is 10 seconds, firstly sending out a 5-second opening signal, stopping for 1 second, then sending out a 2-second closing signal, then stopping for 1 second, then sending out a 5-second opening signal, stopping for 1 second, then sending out a 2-second closing signal, then stopping for 1 second, and finally sending out a 4-6-second opening signal, and the valve is fully opened. And vice versa; the mode is mainly suitable for the electric valve with the valve core moving forwards and backwards.

Furthermore, the flexible switching mode refers to that the driving signal of the electric valve adopts an impulse type, when the electric valve is switched on from off, an opening pulse signal is firstly given to the electric valve, then the opening signal is interrupted, then an opening pulse signal is given to the electric valve for a plurality of times, and the operations are repeated until the electric valve is completely opened, or vice versa.

If the valve action time is 10 seconds, firstly sending out a 3-second opening signal, stopping for 1 second, then sending out a 3-second opening signal, stopping for 1 second, and finally sending out a 4-6-second opening signal, and fully opening the valve. And vice versa.

The mode is mainly suitable for the electric valve with the valve core opened when the power is on and the valve core pushed by the spring to close and reset after the power is off. Therefore, the valve core can be flexibly opened in the opening process by forward movement of power supply and reverse movement of the power-off spring.

The flexible switch mode aims to enable impurities attached to the surface of the valve core or clamped at the valve core to become loose by moving the valve core back and forth, prevent the impurities from being stuck at once, and flush the loose impurities by combining the flowing of pipeline water, so that the valve core becomes flexible.

Furthermore, the electric valve flexible controller is provided with an electric valve driving current detection circuit, and when the electric valve acts, the flexible driving unit is triggered when the driving current exceeds the set current;

further, the triggering condition of the flexible switch mode can also mean that the electric valve is kept in an open or closed state for N days; n is an integer or decimal larger than 1; or to the arrival of a preset point in time. When the electric valve keeps an open or close state for N days, triggering the flexible driving unit; or when the preset time point is reached, the flexible driving unit is triggered.

The control parameters in the flexible driving unit are set by a user through the flexible controller of the electric valve or are directly solidified in the flexible controller of the electric valve; the control parameter includes at least one of a number of repetitions, a forward-reverse action time, a pulse width, or a pulse interval time.

The electric valve flexible controller is provided with a network interface, and external equipment (a computer, a mobile phone and the like) is in communication connection with the electric valve flexible controller through the network interface so as to set control parameters.

The electric valve flexible controller is a temperature control terminal and comprises an input module and a display screen;

the device also comprises an output module; the output module is connected with an electric valve and a fan at the tail end of the air conditioner, wherein the input module is a key or a touch screen and is used for setting parameters or instructions, and the output module also comprises a temperature sensor capable of detecting a real-time temperature value on site; the display screen is used for displaying state data, including a current temperature value, a set temperature, a switch state, a current working mode and the like; the control module is provided with a timer and a clock and can detect and record the running state of the electric valve;

the fan coil is generally used for a terminal fan coil, a fresh air fan and a suspended ceiling air cabinet of a central air conditioner, and is also called a temperature control panel. If the electric valve is applied to a fan coil, the electric valve is connected with the tail end of an air conditioner through a water pipe. Because the indoor air temperature inertia is large, the action time of the electric valve increased by more than ten seconds does not influence the air conditioning effect at all.

Furthermore, the input module is a touch screen integrating keys and a display screen.

And further entering a parameter setting interface and setting the flexible parameters through the combination of a plurality of existing keys on the input module or long-time pressing of the keys. The flexible action setting function of the electric valve is operated and used by a manager, a common air conditioner user does not need to use the electric valve, and the electric valve can not only prevent the common air conditioner user from entering the electric valve at will but also avoid the complexity of the use and operation of the daily air conditioner through the combined key operation of various modes.

Further, there is a non-volatile memory; the flexibility parameters are stored in a non-volatile memory.

Furthermore, the input module is provided with a network interface, and flexible parameters are set remotely through a computer.

In addition, the temperature control panel also has a self-cleaning function.

The input module can set self-cleaning parameters of the electric valve, and the self-cleaning parameters comprise self-cleaning action setting and self-cleaning starting condition setting; when the condition is met, triggering and completing the self-cleaning action of the electric valve; also non-volatile memory; the self-cleaning parameters are stored in a non-volatile memory.

When the condition is met, starting an electric valve to perform self-cleaning action; the electric valve self-cleaning action refers to repeatedly opening and closing the electric valve in a short time, enabling the valve core to move up and down or rotate, automatically removing dirt on the contact surface of the valve core, and preventing the electric valve from standing still for a long time and excessive deposition of impurities in a pipeline on the surface of the valve core to cause the valve core to be blocked or increase the movement resistance of the valve core; meanwhile, mechanical parts such as springs, rubber parts and the like in the electric valve can not be stiffened due to the fact that the electric valve is kept in a closed or opened state for a long time, and the flexibility of the electric valve is kept; the electric valve self-cleaning action is arranged on a control center or a control terminal.

The condition is that the electric valve is kept in an open or closed state for N days; n is an integer or a decimal number larger than 1, for example, in spring and autumn, the central air-conditioning system and the electric valve are in a closed state continuously for several months, and if N is set to 15 days, the central air-conditioning system and the electric valve are automatically started every 15 days.

Or the condition refers to that the motor valve is automatically started when a preset periodic time point is reached, such as 12 o' clock 1 per month, and at the moment, the self-cleaning action of the motor valve is started no matter whether the tail end of the air conditioner runs or not; since the self-cleaning action time is short, even if the air conditioner terminal is in operation, the influence on the indoor air conditioner is almost negligible.

Or the condition refers to that the air conditioner terminal is started at a certain time point when the air conditioner terminal does not work after the periodic operation of the air conditioner terminal is finished, for example, 6 pm every day, and the self-cleaning action of the electric valve is started after the air conditioner is shut down after the operation of the air conditioner is finished.

The reliability of the electric valve can be greatly improved by the periodical self-cleaning action of the electric valve.

Further, the electric valve self-cleaning action means that the automatic electric valve is switched for even times and then returns to the original state, and the state of the electric valve is switched from on to off or from off to on for one time, which may be specifically: the electric valve is opened or closed for t1 seconds, then closed or opened for t2 seconds, and the steps are repeated for M times, and specifically, t1, t2 and M values can also be set.

Further, the parameter setting of the condition is completed on the temperature control panel through a manual key.

Furthermore, the condition is started (or triggered) through a key independently arranged on the temperature control panel.

Further, entering parameter setting of the conditions through combination of a plurality of existing keys on the temperature control panel; or entering the parameter setting of the condition through long pressing of the existing key on the input module.

Further, when the whole system has a large number of electric valves, in order to avoid sudden change of the pipeline flow caused by simultaneous actions of the electric valves, a random parameter S is added to the starting time, namely the self-cleaning action of the electric valves is started after the preset starting time is reached and the time is delayed by S. Specifically, the random parameters are S1 and S2, if the electric valve is in a closed state before self-cleaning, i.e., the time is delayed by S1 after the preset starting time is reached, the self-cleaning action of the electric valve is started, and if the electric valve is in an open state before self-cleaning, i.e., the time is delayed by S2 after the preset starting time is reached, the self-cleaning action of the electric valve is started.

Further, when the electric valve is automatically cleaned, the circulating water pump of the fan coil system is started at the same time. If the water pump runs for a short time, other adverse effects on the system cannot be caused, and the valve core of the electric valve is flushed by water flow, so that a better self-cleaning effect can be achieved. When the valve core is repeatedly opened and closed, water flows at the valve core, and dirt at the valve core can be quickly washed away.

Furthermore, a network interface is arranged on the input module, and self-cleaning parameters are set through remote control of a computer.

Furthermore, the temperature control panel can control the starting and stopping of the fan and the rotating speed, can set and detect the indoor temperature, and controls the indoor temperature through the switch of the electric valve.

Further, the electric valve is in a flexible opening and closing mode during self-cleaning.

Because the indoor air temperature inertia is large, the action time of the electric valve increased by more than ten seconds does not influence the air conditioning effect at all.

Supplementary description regarding electric valve self-cleaning:

1) after keeping the closing state for N days, automatically opening t1 seconds, closing t2 seconds, repeating for M times, and then recovering to the original closing state;

2) after keeping the opening state for N days, automatically closing for t1 seconds, then opening for t2 seconds, repeating for M times, and then recovering to the original opening state.

When the electric valve self-cleaning is applied to the fan coil at the tail end of the central air conditioner, the self-cleaning cycle is long, the N value is 7-30 days generally, the self-cleaning frequency M is 3-8 times, the electric valve power is only 4-5W generally, the time of repeated action is less than one minute, and the energy consumption of the electric valve in motion can be almost ignored all the year round. In addition, even in winter or summer, the influence of the short valve switch on the indoor air conditioning effect is almost negligible. Therefore, no matter in the air-conditioning season or the non-air-conditioning season, dirt cannot be deposited on the surface of the valve core due to the fact that water in the pipeline is static for a long time.

However, if the electric valve is applied in some special situations, the self-cleaning of the electric valve will affect the safe operation of the system for installing the electric valve, and a chain procedure of safety protection can be added, and the self-cleaning is started only when the chain procedure allows.

In addition, the temperature control panel also has a temperature locking function.

The input module is configured to set a control mode (specifically, for setting a cooling mode, a heating mode and an air supply mode), set a target temperature value (i.e., at which temperature the room is expected to be maintained), and set a locking value of the temperature, wherein the locking value is a locking cooling minimum value or a locking heating maximum value;

in the refrigeration mode, when the target temperature value is set, if the control module detects that the set target temperature reaches the locked refrigeration lowest value, the control module does not respond to further reduction of the set target temperature value; at this time, a prompt can be given on the display screen;

in the heating mode, when the target temperature value is set, if the control module detects that the set target temperature value reaches the maximum locking heating value, the control module does not respond to further increase of the set target temperature value;

it can also be said that: when a user adjusts the set temperature in the refrigeration mode, the set temperature does not decrease after reaching the locking refrigeration lowest value; after the manager locks the maximum heating value under the temperature locking function, when the user adjusts the set temperature under the heating mode, the set temperature does not rise after reaching the maximum locking heating value.

Thereby preventing the user from setting the temperature too low or too high on the internal program of the temperature control panel.

So that the latched refrigeration minimum is equal to or higher than said lower limit; the maximum locking heating value is equal to or lower than the upper limit value.

The locking key is provided separately.

The locking key adopts hidden button, for example the button is equipped with the apron, can press the button after turning up the apron.

The locking key is realized by combining a plurality of existing keys (such as pressing a mode key and an addition key at the same time).

The temperature control panels are in communication connection with the main control center, so that the main control center can lock the upper and lower limit temperatures of all the temperature control panels.

Has the advantages that:

the utility model discloses a flexible controller of motorised valve, a flexible control by temperature change panel promptly:

(1) flexible switch of electric valve: the existing temperature control panel control electric valve is directly opened or closed, even if foreign matters exist at the position of a valve core, the electric valve can be continuously opened or closed, and the valve core is blocked until now, so that a motor in the electric valve is burnt out. The utility model discloses adopt the flexible switch mode of motorised valve on the control by temperature change panel, if when the motorised valve by closing when opening, let the motorised valve open earlier, case forward motion one section position lets the motorised valve close again, case reverse motion one section position, and a plurality of times is repeated, all opens the motorised valve again. Therefore, the foreign matters at the valve core are easy to loosen through repeated actions, and the possibility that the valve core is blocked and the motor inside the electric valve is burnt out is reduced.

(2) Self-cleaning maintenance of the electric valve: on the basis of the existing mode of the temperature control panel, hardware is not added, the programmable function of an internal computer is utilized, the automatic periodic opening and closing of the electric valve is realized through the temperature control panel, the dirt on the surface of the valve core is automatically removed without disassembling the valve body through the movement of the valve core, so that the surface of the valve core cannot form hard sediment due to long-time standing, the flexibility is kept, and the failure rate of the electric valve is reduced!

(3) Temperature independent locking: on the basis of the existing mode of the temperature control panel, a temperature locking function capable of respectively locking a refrigeration lowest value and a heating highest value is added; after the lowest refrigeration value is locked under the temperature locking function, when the set temperature is adjusted under the refrigeration mode, the set temperature does not decrease after reaching the lowest refrigeration value; after the maximum heating value is locked under the temperature locking function, when the set temperature is adjusted under the heating mode, the set temperature does not rise after reaching the maximum locking heating value.

And the three-point function can be realized by only modifying the control software of the temperature control panel! So that the cost performance is very high.

The utility model discloses creativity lies in:

the problems are considered from the view point of equipment maintenance, the thinking range of the traditional electric valve controller and the conventional application mode of the valve are completely skipped, the existing resources can be utilized more difficultly, and the historical problem that the electric valve is easy to block is solved through the temperature control panel on the basis of not increasing any labor and material cost!

From the equipment management perspective, the utility model discloses still pull current control by the use layer and extend central air conditioning management layer. In order to realize temperature management of the existing central air-conditioning system, a host computer, a field controller, comprehensive wiring and other hardware and software equipment are generally added, and a networking interface is also required to be added on a temperature control panel, so that the investment is large. And the utility model discloses as long as modify the inside control logic procedure of temperature control panel, do not increase any hardware cost, let the temperature control panel follow simple air conditioner switch, become air conditioner administrator's temperature management instrument.

Drawings

FIG. 1 is a schematic structural view of a temperature control panel;

FIG. 2 is a schematic view of the connection of the temperature control panel to the fan coil and the electrically operated valve.

Description of reference numerals: 20-on/off key, 33-mode key, 22-wind speed key, 23-increase key, 24-decrease key, 32-wind speed icon, 34-indoor temperature icon, 35-set temperature icon, 36-date-time icon, and 31-electric valve icon.

Detailed Description

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

example 1:

referring to fig. 1 and 2, the flexible controller of the electric valve is a temperature control panel of a fan coil, and comprises a display screen, operation keys and an output panel, wherein the display screen can display icons of an operation mode 33, including icons of a cooling mode, a heating mode and an air supply mode and an air speed 32, and icons of an indoor temperature 34, a set temperature 35, a date and time and an electric valve; wherein the operation keys comprise a switch key 20, a mode key 21, a wind speed key 22, an increase key 23 and a decrease key 24. The mode key 21 can make the temperature control panel in the cooling, heating and blowing modes.

The output module is electrically connected with an electric valve and a fan of the fan coil, wherein the electric valve comprises an internal valve core and is connected with the fan coil through a water pipe; the electrical connection comprises the direct connection of an output module with an electric valve and a fan, and the electric valve and the fan are directly driven by the output; the intelligent temperature control system is characterized by further comprising an output module which is connected with driving modules of the electric valve and the fan through signal lines, the electric valve and the fan are not directly driven by the output module at the moment, and the mode is adopted if the temperature control panel of a hotel guest room is adopted.

Furthermore, the operation keys and the display screen can adopt an integrated touch liquid crystal display screen.

On the basis of the existing functions of the temperature control panel, the flexible action function of the electric valve is added.

The opening and closing actions of the temperature control panel driving electric valve comprise a flexible opening and closing mode, and the actions of the electric valve comprise a flexible opening and closing mode besides a conventional direct opening and closing mode; the electric valve is opened in a flexible mode, or the electric valve is closed in a flexible mode, or both the electric valve and the electric valve are opened and closed in a flexible mode; or the flexible opening and closing mode is adopted for each action of the electric valve operation, or the flexible opening and closing mode is adopted for only specific partial actions of the electric valve. The electric valve is different from the electromagnetic valve, and the opening and closing action time is generally ten seconds, which passes the possibility of realizing flexible opening and closing. The flexible action has the following two driving signal modes:

1) the driving signal adopts a positive and negative progressive mode, an electric valve opening signal is firstly given, a t1 second opening signal is firstly sent, a valve core moves forwards for a section of position, then an electric valve closing signal is given for t2 seconds, the valve core moves reversely for a section of position, H1 times are repeated, the reverse movement position is smaller than the forward movement position each time, then the electric valve is completely opened, wherein the middle of the forward movement and the reverse movement can be stopped for t3 seconds; and vice versa.

2) The driving signal adopts a pulse type, when the electric valve is opened from the closed state, an opening pulse signal is firstly given to the electric valve for t4 seconds, then the opening signal is interrupted for t5 seconds, then the opening pulse signal is given to the electric valve for t6 seconds, H2 times are repeated until the electric valve is completely opened, and vice versa.

In addition, the triggering condition of the flexible action can be set, for example, an electric valve driving current detection circuit is arranged on the input module, and when the electric valve acts, the flexible switch mode is triggered only when the driving current exceeds the set current.

Or when the electric valve is kept in an open or closed state for N days; n is an integer or decimal number greater than 1; or the finger reaches a preset time point to trigger flexible action.

The repetition times H1, H2, the forward/reverse operation time t1-3, the pulse time t4-6, etc. in the flexible switch mode can be set by the input module or can be directly solidified in the control module.

The parameter setting of the flexible action of the electric valve can be entered through the combined operation of any key on the temperature control panel, and after entering, the repetition times H1 and H2, the positive and negative action time t1-3, the pulse time t4-6 and the like can be set through the increase key 23, the decrease key 24 and other keys.

Further, parameter setting can be entered through any three key combination operations on the temperature control panel, for example: in the power-on state, the mode key 21 is continuously pressed for more than three times within five seconds, and then the mode key 21 and the increase key 23 are simultaneously pressed to enter.

Further, parameter setting can be entered through any two key combination operations on the temperature control panel, for example, entering by simultaneously pressing the mode key 21 and the add key 23 for five seconds; or simultaneously pressing the wind speed key 22 and the increase key 23 for five seconds; or pressing the mode key 21 four times in succession and then pressing the wind speed key 22 four times in succession, or other similar key combinations.

Furthermore, the user can enter the operation by continuously pressing any key on the temperature control panel for a period of time (namely, long pressing), for example, continuously pressing the mode key 21 for six seconds; or holding the wind speed key 22 for six seconds, or other similar key operation methods.

The flexible action setting function of the electric valve is operated and used by a manager, a common air conditioner user does not need to use the electric valve, and the electric valve can not only prevent the common air conditioner user from entering the electric valve at will but also avoid the complexity of the use and operation of the daily air conditioner through the combined key operation of various modes.

After the flexible parameter setting of the electric valve is carried out, the display value of the original set temperature symbol area 35 is a display area N of the time parameter t1-6, and the display value of the original indoor temperature symbol area 34 is a display area of the action times H1-H2 of the electric valve; pressing a mode key 21, flashing time parameters, modifying through an increase key 23 and a decrease key 24, confirming through a wind speed key 22, and pressing the wind speed key 22 to switch the time parameters; pressing the mode key 21 again, flashing the frequency parameter, modifying through an increase key 23 and a decrease key 24, confirming through a wind speed key 22, and pressing the wind speed key 22 again to switch the time parameter; the power on/off key 20 is pressed again, and the setting of the electric valve parameters is exited.

When the temperature control panel is provided with a network interface, the parameters can be set remotely through a computer.

Example 2:

the difference from the embodiment 1 is that the self-cleaning maintenance function of the electric valve is added on the basis of the existing function of the temperature control panel.

The self-cleaning maintenance function of the electric valve is to open and close the electric valve by adopting a periodic time program, remove dirt on the surface of the valve core through the movement of the valve core, prevent hard sediment from being formed on the surface of the valve core due to the long-time standing of the electric valve and keep the valve core flexible.

And detecting that the electric valve is in a closed or open state for N consecutive days by the temperature control panel, automatically opening and closing the electric valve for M times, and then repeatedly circulating according to the rule. In the central air conditioning system, the motor-operated valve is closed continuously for several months in spring and autumn, and is automatically started every 15 days if N is 15 days.

Or, when the time reaches the set time point, the electric valve is immediately and automatically opened and closed M times by the temperature control panel. If 12 o' clock in every month is started automatically, no matter whether the air conditioner end is in operation, the self-cleaning action of the electric valve is started; since the self-cleaning action time is short, even if the air conditioner terminal is in operation, the influence on the indoor air conditioner is almost negligible.

Or the condition refers to that the electric valve is started at a certain non-working time point after the electric valve normally works for a period of time, for example, 6 pm every day, and the self-cleaning action of the electric valve is started after the air conditioner is shut down after the air conditioner is not operated.

The parameter setting of the self-cleaning maintenance function of the electric valve can be entered through the operation of any key combination on the temperature control panel, and after the entry, the duration N days, the switching times M, the self-cleaning time point and the locked highest and lowest temperature values can be set through the increase key 23, the decrease key 24 and other keys.

Furthermore, the user can enter the operation by continuously pressing any key on the temperature control panel for a period of time (namely, long pressing), for example, continuously pressing the mode key 21 for six seconds; or continuously pressing the wind speed key 22 for six seconds to enter the self-cleaning maintenance function of the electric valve, or other similar key operation methods.

The self-cleaning maintenance function of the electric valve is operated and used by a manager, and a common air conditioner user does not need to use the electric valve, and the combination key operation in various modes avoids the common air conditioner user from randomly entering the temperature locking function, and does not increase the complexity of the use and operation of the daily air conditioner.

After entering the parameter setting of the self-cleaning maintenance function of the electric valve, the value displayed in the original set temperature symbol area 35 is the number of days N for duration, and the value displayed in the original indoor temperature symbol area 34 is the number M of times of opening and closing the electric valve; pressing a mode key 21, flashing days N, modifying through an increase key 23 and a decrease key 24, and confirming through a wind speed key 22; pressing the mode key 21 again, flashing the switching frequency M, modifying through an increase key 23 and a decrease key 24, and confirming through a wind speed key 22; the on/off key 20 is pressed again and the parameter setting is exited.

Furthermore, after the temperature control panel exits through the power on/off key, the temperature control panel can automatically memorize the duration N and the switching frequency M of the electric valve set by a manager, can be continuously stored, and cannot be lost due to power failure.

Further, a random time parameter S is added in the self-cleaning maintenance function of the electric valve, after the electric valve is detected to be in a closed or opened state for N days plus S continuously by the temperature control panel, the electric valve is opened and closed for M times by the temperature control panel, and the unit of the random time S is minutes, hours or days. Therefore, in some specific central air-conditioning systems, the situation that thousands of electric valves in the air-conditioning system are opened at a certain time point at the same time to cause impact on a pipeline water system can be avoided.

Further, the parameter setting of the self-cleaning maintenance function of the electric valve can also be remotely set by a computer through a network interface of the temperature control panel.

The time program is added with a random parameter S1, and the random parameter S1 is in units of minutes, hours or days; after the temperature control panel detects that the electric valve lasts for N days + S1 is closed, the electric valve is opened and closed for M times by the temperature control panel, and then the circulation is repeated according to the rule; or after the time of the temperature control panel reaches the set time point and is delayed by S1, the electrically operated valve is detected to be inClose offIn the state, the electric valve is immediately and automatically opened and closed for M times by the temperature control panel.

The time program is added with a random parameter S2, and the random parameter S2 is in units of minutes, hours or days; after the temperature control panel detects that the electric valve lasts for N days + S2 is in an open state, closing and opening the electric valve for M times by the temperature control panel, and then repeating the cycle according to the rule; after the time of the temperature control panel reaches the set time point and is delayed by S2, the electric valve is detected to be inBeat and beat Opening deviceIn the state, the electric valve is immediately and automatically closed and opened for M times by the temperature control panel.

Further, the parameter setting of the self-cleaning maintenance function of the electric valve can also be set by a remote controller through an infrared ray or a wireless interface configured on the temperature control panel.

Example 3:

the difference from the embodiment 1 is that a temperature locking function capable of respectively locking the lowest value of refrigeration and the highest value of heating is added on the basis of the existing functions of the temperature control panel.

After the manager locks the minimum cooling value under the temperature locking function, when the user adjusts the set temperature under the cooling mode, the set temperature does not decrease after reaching the minimum cooling value. After the manager locks the maximum heating value under the temperature locking function, when the user adjusts the set temperature under the heating mode, the set temperature does not rise after reaching the maximum locking heating value, thereby preventing the user from setting the temperature too low or too high in the internal program of the temperature control panel.

Further, the parameter setting of the temperature locking function can be entered through any key combination operation on the temperature control panel, and after entering, the duration N days, the switching times M, the self-cleaning time point and the locked maximum and minimum temperature values can be set through the increase key 23, the decrease key 24 and other keys.

Further, the parameter setting of the temperature locking function can be entered by any three key combination operations on the temperature control panel, such as: in the power-on state, the mode key 21 is continuously pressed for more than three times within five seconds, and then the mode key 21 and the increase key 23 are simultaneously pressed to enter.

Further, the parameter setting of the temperature locking function can be entered by any two key combination operations on the temperature control panel, for example, simultaneously pressing the mode key 21 and the increase key 23 for five seconds; or simultaneously pressing the wind speed key 22 and the increase key 23 for five seconds; or pressing the mode key 21 four times in succession and then pressing the wind speed key 22 four times in succession, or other similar key combinations.

Further, the parameter setting of the temperature locking function is entered by continuously pressing any key on the temperature control panel for a period of time (i.e. long pressing), for example, continuously pressing the mode key 21 for six seconds; or the wind speed key 22 is continuously pressed for six seconds, and the temperature locking function is started; or continuously pressing the additional key for 23 seconds to enter a temperature locking function; or holding down the switch key for 20 seconds, entering a locked temperature mode, or other similar key operation methods.

The temperature locking function is operated and used by a manager, and a common air conditioner user does not need to use the temperature locking function, so that the common air conditioner user is prevented from randomly entering the temperature locking function through the combined key operation in various modes, and the complexity of the use and operation of the daily air conditioner is not increased.

After entering the parameter setting of the temperature locking function, the display screen has a refrigeration mode symbol and a flashing set temperature at the moment, the numerical value desired by a manager is set through an increase key 23 and a decrease key 24, and then the air speed key 22 is pressed for confirmation, and the flashing is stopped at the set temperature; the heating mode symbol and the flickering set temperature are displayed by pressing the mode key again, the numerical value desired by the manager is set by the increase key 23 and the decrease key 24, and the air speed key 22 is pressed to confirm, and the flickering is stopped at the set temperature. And pressing the power-on and power-off key again to quit the setting.

Furthermore, after the temperature control panel exits through the power on/off key, the temperature control panel can automatically memorize the locked lowest refrigeration value and highest heating value set by the manager, can be continuously stored and cannot be lost due to power failure.

Furthermore, the parameter setting of the temperature locking function can also be remotely set by a computer through a network interface of the temperature control panel.

Furthermore, the parameter setting of the temperature locking function can also be set by a remote controller through an infrared ray or a wireless interface configured on the temperature control panel.

Embodiment 4 differs from embodiment 1 in that the temperature control panel can be used not only for fan coil units but also for wind cabinets, such as ceiling fans, ceiling wind cabinets.

In example 5, a difference from example 1 is that the temperature control panel is connected to a cold water electric valve and a hot water electric valve, respectively, such as those applied to a four-pipe fan coil.

Embodiment 6 is different from embodiment 1 in that the opening and closing operation of the temperature control panel for driving the electric valve includes the flexible opening and closing system, and the temperature control panel further has three functions of the electric valve self-cleaning maintenance and the temperature locking, or a combination of any two functions.

Further, the valve body of the electric valve is a two-way valve or a three-way valve; the valve core is a ball valve, a stop valve or a gate valve.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious 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. If such modifications and variations of the present invention fall within the scope of the claims and their equivalents, they all fall within the scope of the present invention.

Claims

1. A flexible controller of an electric valve is connected with the electric valve and used for controlling the opening and closing of the electric valve, and is characterized in that the flexible controller of the electric valve is provided with a flexible driving unit used for driving the flexible action of the electric valve, and the flexible driving unit is a forward and backward progressive driving unit or an impulse driving unit;

2. The flexible controller of claim 1, wherein the flexible controller of the electric valve is provided with an electric valve driving current detection circuit, and the flexible driving unit is triggered when the driving current exceeds a set current during the operation of the electric valve.

3. The electrically operated valve flexible controller according to claim 1, further comprising a timer for triggering the flexible drive unit; setting the timing time to be N days, or reaching a preset time point; n is an integer or decimal number greater than 1;

when the electric valve keeps an open or close state for N days, triggering the flexible driving unit;

or when the preset time point is reached, the flexible driving unit is triggered.

4. The electrically operated valve flexible controller according to any one of claims 1 to 3, wherein the control parameters in the flexible drive unit are set by a user through the electrically operated valve flexible controller or are directly cured in the electrically operated valve flexible controller;

the control parameter includes at least one of a number of repetitions, a forward-reverse action time, a pulse width, or a pulse interval time.

5. The flexible controller of claim 4, wherein the flexible controller of the electric valve is a temperature control terminal, and comprises an input module and a display screen, wherein the input module is a key or a touch screen.

6. The flexible controller of electric valve as claimed in claim 5, wherein the parameter setting interface is entered and the flexible parameter is set by a combination of a plurality of existing keys on the input module or a long-press key.

7. The flexible controller of claim 4, wherein the flexible controller of the electric valve is provided with a network interface, and an external device is connected with the flexible controller of the electric valve through the network interface in a communication way to set control parameters.