阅读说明：本技术 水洞式游泳机的电控系统及其控制方法 (Electric control system of water tunnel type swimming machine and control method thereof ) 是由 李旭春 沈熊 王峰 金志锋 赵星 沈小钧 于 2019-11-10 设计创作，主要内容包括：本发明公开一种水洞式游泳机的电控系统及其控制方法,其采用数字频率驱动方式调节电动机的转速,通过液压或机械传动调节螺旋桨叶轮的旋转速度,使水流速度可以连续精准地调控,本发明的水流的驱动系统包括驱动器、电动机、螺旋桨叶轮,驱动器采用数字频率控制电动机转速,带动液压传动装置或机械传动装置驱动螺旋桨叶旋转,推动水流循环运动和改变水流速度；智能化的电控系统通过激光多普勒流速仪LDV对水流的速度进行标定,得到水流速度与电动机转速的非线性特性,存储于电控系统的监控程序中,并实时调节水流速度,本发明还可在循环泵、射流泵、加热器、消毒器及激光多普勒流速仪等电器的配合下,使水洞式游泳机的综合性能达到多方面智能化。(The invention discloses an electric control system of a water tunnel type swimming machine and a control method thereof, wherein a digital frequency driving mode is adopted to adjust the rotating speed of a motor, and the rotating speed of a propeller impeller is adjusted through hydraulic or mechanical transmission, so that the water flow speed can be continuously and accurately regulated and controlled; the intelligent electric control system calibrates the speed of water flow through the laser Doppler current meter LDV to obtain the nonlinear characteristic of the water flow speed and the rotating speed of the motor, stores the nonlinear characteristic in a monitoring program of the electric control system and adjusts the water flow speed in real time.)

1. An electric control system of a water tunnel type swimming machine is characterized by comprising a control system and a power system;

the power system comprises a driver, a motor, a transmission system and a propeller impeller;

the control system comprises a setting unit, a display unit, an intelligent water flow speed control unit and a remote control module;

the setting unit and the display unit are respectively connected with the intelligent water flow speed control unit; the remote control module is connected with the display unit in a wireless or wired mode;

the intelligent water flow speed control unit is connected with the power system and comprises a setting module, a display module, an intelligent water flow speed driving control module, a rotating speed-flow speed measuring and calibrating module and a rotating speed-flow speed monitoring module;

-said rotation speed-flow rate measurement and calibration module is configured to: the laser Doppler current meter LDV is connected with a laser Doppler current meter LDV for measuring the water flow speed, and the laser Doppler current meter LDV also calibrates the water flow speed to obtain the nonlinear characteristic of the water flow speed and the rotating speed of the motor and stores the nonlinear characteristic in a rotating speed-flowing speed monitoring module of a control system;

-the intelligent water flow rate drive control module is configured to: the driver is connected with a motor, the motor is connected with a transmission device, and the transmission device is connected with a propeller impeller; the driver comprises a digital frequency control module, and the digital frequency control module is connected with the motor; the intelligent water flow speed driving control module realizes intelligent control on the driver according to the feedback of the rotating speed-flow speed measuring and calibrating module and the rotating speed-flow speed monitoring module and the nonlinear characteristics of the water flow speed and the rotating speed of the motor which are stored in the rotating speed-flow speed monitoring module;

-the setting module and the display module are connected with the setting unit and the display unit, respectively.

2. The electric control system of the water tunnel type swimming machine according to claim 1, wherein the electric control system of the water tunnel type swimming machine further comprises a water treatment and heating temperature control system, and the water treatment and heating temperature control system comprises a circulating pump, a jet pump, a heater, a temperature sensor and a sterilizer;

the control system comprises an intelligent water treatment and temperature control module which controls the on-off and the operation of the circulating pump, the jet pump, the heater and the sterilizer; the circulating pump is used for forming a circulating water treatment system; the heater is used for adjusting the water temperature of the tank body; the sterilizer is used for sterilizing water; the jet pump is connected with the spray head in the tank body so as to provide a power source for the spray head; the temperature sensor is arranged in the tank body and connected with the intelligent water treatment and temperature control module, and the intelligent water treatment and temperature control module controls the operation of the heater after comparing the real-time temperature fed back by the temperature sensor with the preset temperature.

3. The electronic control system of a water tunnel swimming machine according to claim 2, wherein said control system comprises a pool water timing flow module configured to control said jet pump to operate at a timing for a preset time period.

4. The electronic control system of a water tunnel swimming machine according to claim 2, wherein said control system comprises a timed heating module configured to time the heating control of the heater using local peak-to-valley electricity price difference.

5. The electric control system of a water tunnel swimming machine according to claim 1, further comprising one or any combination of the following solutions:

scheme 1: the electric control system comprises a mechanical switch and/or an electronic switch;

scheme 2: the electric control system comprises an underwater light;

scheme 3: the electric control system comprises an underwater treadmill;

scheme 4: the electric control system comprises a flow guide system;

scheme 5: the control system is mainly composed of a Programmable Logic Controller (PLC);

scheme 6: the control system mainly comprises a single chip microcomputer;

scheme 7: the setting unit, the display unit and the intelligent water flow speed control unit are integrated together;

scheme 8: the setting unit, the display unit and the intelligent water flow speed control unit are a plurality of independent units which are connected with each other by serial and/or parallel interface lines;

scheme 9: the display unit is independently arranged at the front end of the swimming machine, and a receiving circuit of the remote control module is arranged in the display unit.

Scheme 10: the transmission system adopts a hydraulic transmission device or a mechanical transmission device.

Scheme 11: the electric control system comprises an intelligent remote monitoring terminal, the control system comprises a wireless transceiving module, and the wireless transceiving module is connected with the intelligent remote monitoring terminal to remotely monitor the working state and the operating parameters of the swimming machine through short messages and/or WIFI.

6. The electric control system of a water tunnel type swimming machine according to any one of claims 1 to 4, wherein the hardware circuit of the display unit comprises a nixie tube or a liquid crystal screen display and a receiving circuit of a remote controller, and is used for displaying swimming speed and running information and/or fault information of the swimming machine; the hardware circuit of the control unit comprises an analog quantity and switching quantity input circuit, a switching driving circuit, an interface communication circuit connected with a driver and a wireless transceiver circuit; the hardware circuit of the setting unit comprises a nixie tube or a liquid crystal display screen display, a key switch and a clock circuit, and the setting unit is connected with the human-computer interaction device and is used for setting the running function and/or parameters of the swimming machine, displaying the running information and/or fault information and synchronizing the clock.

7. A control method of a water tunnel type swimming machine is characterized in that an intelligent electric control system is adopted to drive water flow, a water flow driving system comprises a driver, a motor, a propeller impeller and a hydraulic or mechanical transmission device, the driver adopts digital frequency to control the rotating speed of the motor, and drives the hydraulic or mechanical transmission device to drive a propeller blade to rotate so as to drive the water flow to circularly move and change the water flow speed; the intelligent electric control system calibrates the speed of water flow through the laser Doppler current meter LDV to obtain the nonlinear characteristic of the water flow speed and the rotating speed of the motor, stores the nonlinear characteristic in a monitoring program of the electric control system, and adjusts the water flow speed in real time to realize the control and display of the water flow speed.

8. The method of controlling a water tunnel swimming machine according to claim 7, comprising the steps of:

step1: initializing and displaying a control system: after the control system is initialized, the water treatment heating system is subjected to self-checking, if a certain unit or part of the system has a fault, corresponding fault information is displayed, the circulating pump does not work, after the fault is eliminated, the main switch is closed again, the self-checking is passed, and the water circulation system starts to work; after confirming that all units or parts of the swimming machine electric control system are in a normal state, the display unit displays the speed of water flow and normal system information in real time according to a set instruction of the remote control module, controls the start and stop of the driver and controls the digital frequency rotating speed according to an operation/stop instruction sent by the remote control module, and the driver drives the motor to rotate at the rotating speed corresponding to the set water flow speed when in operation, so as to drive the propeller impeller to rotate and output uniform water flow speed distribution and digital swimming speed setting and display data;

step2: the control system performs real-time intelligent water temperature, speed and water flow circulation control; the control system detects the water temperature of the swimming machine in real time, transmits information to the setting unit, receives instruction information of the setting unit, controls the on-off of the circulating pump, the jet pump, the heater and the disinfector according to the instruction information, and controls the starting or stopping of the driver and the adjustment of the rotating speed of the motor; when receiving the inquired short message or WIFI, providing the information of the running state of the swimming machine to a sender of the short message or WIFI, and/or receiving the information of the sender of the short message or WIFI to control and change the running state of the swimming machine.

9. The method of controlling a water tunnel swimming machine according to claim 8, further comprising a monitoring program:

the monitoring subprogram circularly executes the following steps, and the steps are not performed in sequence:

controlling the on-off of the heater according to a set value of the water temperature of the swimming machine and the detected actual water temperature, and powering on if the preset temperature is higher than the instant detection temperature and powering off if the preset temperature is lower than the detection temperature;

the jet pump is switched on and off at regular time according to setting and functional requirements;

the operation and parameter setting of the upgrading and updating function of the swimming machine;

display of water temperature or time or fault information.

The driver and the motor are automatically stopped after continuously working for a period of time; the driver and the heater are electrically interlocked; setting the jet pump to automatically start for several seconds at certain time intervals; the heater implements timed heating control using peak and valley electricity prices.

10. A method of controlling a water hole swimming machine according to claim 8 or 9, wherein the method of controlling the water flow speed comprises the steps of:

step1, reading the water flow speed value set last time;

step2, displaying the current water flow speed data;

step3, reading the fault data of the electric control system, if the fault occurs, displaying the fault code, otherwise, proceeding the next Step;

step4, judging whether an operation instruction from the remote controller is received, if yes, sending a driver starting instruction, and if not, carrying out the next Step;

step5, judging whether a stop instruction from the remote controller is received, if yes, sending a drive stop instruction, and if not, carrying out the next Step;

step6, judging whether an instruction for adjusting the water flow speed through a key of the remote controller is received, if yes, storing the setting content after the remote controller stops operating, and if not, operating the next Step;

and Step7, judging whether a command of pressing the 'operation' key for a long time is received, switching to the water flow speed display if yes, and returning to Step2 if no.

Technical Field

The invention belongs to the field of sports and swimming equipment, particularly relates to the field of water flow electric control, and particularly relates to an electric control system of a water tunnel type swimming machine and a control method thereof.

Background

The water tunnel type swimming machine is novel swimming fitness equipment integrating training, fitness and entertainment, can enable a swimmer to do long-time swimming exercises in various postures in a limited space, and can realize fitness movement at any time, anywhere and conveniently as if the swimmer swims on an open water surface or in a swimming pool smoothly, so that the water tunnel type swimming machine has important value for promoting the health of the whole people. The water tunnel type swimming machine is also a novel water flow circulating device, adopts the hydrodynamics water tunnel principle, pushes water flow to flow through a power device, swimmers move relatively towards the water flow in a pool, and when the swimming speed is consistent with the water flow speed, the swimmers can move for a long time in situ, so that the same effect as that of swimming in a large common swimming pool is achieved. The water tunnel type swimming machine has the advantages of small floor area, low construction cost, good sanitary condition, water and energy conservation and the like, is suitable for occasions such as families, public districts, fitness centers and the like, and has great popularization value today when advocating the health of the whole people and improving the swimming skills.

The existing Swimming machine is a Swimming machine in US patent (US20070039092) of MURDOCK JAMES abroad, a hydraulic system controlled by a proportional relief valve is adopted to drive a propeller to rotate, and the flow and the rotating speed of the propeller are changed by adjusting the opening of the proportional relief valve through wireless remote control, so that the water flow speed of the Swimming machine is adjusted. In the system, because the asynchronous motor is always in a high rotating speed state, both noise and energy consumption are large; in addition, the asynchronous motor runs at a speed close to the synchronous speed, the actual speed is influenced by the load, and the opening of the proportional valve is adjusted by using the analog voltage, so that the rotating speed of the impeller is difficult to accurately control, and the accurate water flow speed control is realized.

The invention discloses a wangnan's invention patent (CN 205699316U) relating to less intelligent swimming machine patents in China, which only discloses the general arrangement of a swimming machine cylinder, a circulation accelerating device, a filtering and disinfecting device and a control device, has no specific device description, and does not have the functions of precisely controlling the water flow speed and intelligentizing.

The patent of invention of crown (CN 205713264U) is a swimming machine, which only provides a schematic diagram including a box, a water outlet, a water inlet, a propeller and power equipment, and does not mention the water flow speed control of the swimming machine, and certainly does not have the intelligent function of the complete swimming machine.

Disclosure of Invention

In view of one or more of the above problems, the present invention provides an electric control system for a water tunnel type swimming machine and a control method thereof.

The water tunnel type swimming machine is designed based on the hydrodynamics water tunnel principle and comprises a pool body, a flow guide system, an intelligent water flow driving speed regulating device, a water treatment disinfection and temperature control system and the like. By creating uniform and stable circulating water flow which flows through all parts of the human body, the swimmer can achieve the same effects of professional training and body-building sports in a large pool as long as doing swimming motions in situ due to the resistance generated by relative motion. In particular to a method for continuously and accurately regulating and controlling the water flow speed in a water tunnel type swimming machine by adopting a digital frequency driving mode to regulate the rotating speed of a motor so as to regulate the rotating speed of a propeller impeller through hydraulic transmission or mechanical transmission and a control circuit.

The comprehensive functions and performances of the water tunnel type swimming machine are optimized preferably under the coordination of electric appliances such as a circulating pump, a jet pump, a heater, a sterilizer, a laser Doppler current meter and the like.

The invention provides a control method of a water tunnel type swimming machine on the basis of the domestic invention patent (application number CN201710967333.5), and the control method is matched with a corresponding control circuit, thereby forming a complete, intelligent, energy-saving and environment-friendly water tunnel type whole machine system of the swimming machine. The laser Doppler current meter (LDV) is used for calibrating the water flow speed, so that the swimming machine product has uniform and stable water flow speed distribution and accurate swimming speed setting and displaying.

The invention aims to provide a control method of an electric control system of a water tunnel type swimming machine, which improves the intelligent or multifunctional control and the overall performance of the water tunnel type swimming machine.

The second purpose of the invention is to provide an electric control system of the water tunnel type swimming machine, which ensures that the whole water tunnel type swimming machine can run stably and intelligently at the water flow speed.

The invention provides an electric control system of a water tunnel type swimming machine, which comprises a control system and a power system, wherein the control system comprises a control system and a power system;

the power system comprises a driver, a motor, a transmission system and a propeller impeller;

the control system comprises a setting unit, a display unit, an intelligent water flow speed control unit and a remote control module;

the setting unit and the display unit are respectively connected with the intelligent water flow speed control unit; the remote control module is connected with the display unit in a wireless or wired mode;

the intelligent water flow speed control unit is connected with the power system and comprises a setting module, a display module, an intelligent water flow speed driving control module, a rotating speed-flow speed measuring and calibrating module and a rotating speed-flow speed monitoring module;

-said rotation speed-flow rate measurement and calibration module is configured to: the laser Doppler current meter LDV is connected with a laser Doppler current meter LDV for measuring the water flow speed, and the laser Doppler current meter LDV also calibrates the water flow speed to obtain the nonlinear characteristic of the water flow speed and the rotating speed of the motor and stores the nonlinear characteristic in a rotating speed-flowing speed monitoring module of a control system;

-the intelligent water flow rate drive control module is configured to: the driver is connected with a motor, the motor is connected with a transmission device, and the transmission device is connected with a propeller impeller; the drive comprises a digital frequency control module (usually a frequency converter) connected to the motor; the intelligent water flow speed driving control module realizes intelligent control on the driver according to the feedback of the rotating speed-flow speed measuring and calibrating module and the rotating speed-flow speed monitoring module and the nonlinear characteristics of the water flow speed and the rotating speed of the motor which are stored in the rotating speed-flow speed monitoring module;

-the setting module and the display module are connected with the setting unit and the display unit, respectively.

Furthermore, the water hole type swimming machine electric control system also comprises a water treatment and heating temperature control system, wherein the water treatment and heating temperature control system comprises a circulating pump, a jet pump, a heater, a temperature sensor and a sterilizer;

the control system comprises an intelligent water treatment and temperature control module which controls the on-off and the operation of the circulating pump, the jet pump, the heater and the sterilizer; the circulating pump is used for forming a circulating water treatment system; the heater is used for adjusting the water temperature of the tank body; the sterilizer is used for sterilizing water; the jet pump is connected with the spray head in the tank body so as to provide a power source for the spray head; the temperature sensor is arranged in the tank body and connected with the intelligent water treatment and temperature control module, and the intelligent water treatment and temperature control module controls the operation of the heater after comparing the real-time temperature fed back by the temperature sensor with the preset temperature.

Further, the control system comprises a pool water timing flow module configured to control the jet pump to operate for a preset time period at regular time.

Further, the control system includes a timed heating module configured to time heat the heating control of the heater using the local peak to valley electricity price difference.

Further, the electric control system further comprises one or any combination of the following schemes:

scheme 1: the electric control system comprises a mechanical switch and/or an electronic switch;

scheme 2: the electric control system comprises an underwater light;

scheme 3: the electric control system comprises an underwater treadmill;

scheme 4: the electric control system comprises a flow guide system;

scheme 5: the control system is mainly composed of a Programmable Logic Controller (PLC);

scheme 6: the control system mainly comprises a single chip microcomputer;

scheme 7: the setting unit, the display unit and the intelligent water flow speed control unit are integrated together;

scheme 8: the setting unit, the display unit and the intelligent water flow speed control unit are a plurality of independent units which are connected with each other by serial and/or parallel interface lines;

scheme 9: the display unit is independently arranged at the front end of the swimming machine, and a receiving circuit of the remote control module is arranged in the display unit.

Scheme 10: the transmission system adopts a hydraulic transmission device or a mechanical transmission device.

Scheme 11: the electric control system comprises an intelligent remote monitoring terminal, the control system comprises a wireless transceiving module, and the wireless transceiving module is connected with the intelligent remote monitoring terminal to remotely monitor the working state and the operating parameters of the swimming machine through short messages and/or WIFI.

Furthermore, the hardware circuit of the display unit comprises a digital tube or a liquid crystal display screen display and a receiving circuit of a remote controller, and the receiving circuit is used for displaying the swimming speed, and the running information and/or the fault information of the swimming machine; the hardware circuit of the control unit comprises an analog quantity and switching quantity input circuit, a switching driving circuit, an interface communication circuit connected with a driver and a wireless transceiver circuit; the hardware circuit of the setting unit comprises a nixie tube or a liquid crystal display screen display, a key switch and a clock circuit, and the setting unit is connected with the human-computer interaction device and is used for setting the running function and/or parameters of the swimming machine, displaying the running information and/or fault information and synchronizing the clock.

The invention provides a control method of a water tunnel type swimming machine, which adopts an intelligent electric control system to drive water flow, wherein the water flow driving system comprises a driver, a motor, a propeller impeller and a hydraulic or mechanical transmission device, the driver adopts digital frequency to control the rotating speed of the motor, and drives the hydraulic or mechanical transmission device to drive the propeller impeller to rotate, so as to drive the water flow to circularly move and change the water flow speed; the intelligent electric control system calibrates the speed of water flow through the laser Doppler current meter LDV to obtain the nonlinear characteristic of the water flow speed and the rotating speed of the motor, stores the nonlinear characteristic in a monitoring program of the electric control system, and adjusts the water flow speed in real time to realize the control and display of the water flow speed.

Preferably, the method comprises the following steps:

step1: initializing and displaying a control system: after the control system is initialized, the water treatment heating system is subjected to self-checking, if a certain unit or part of the system has a fault, corresponding fault information is displayed, the circulating pump does not work, after the fault is eliminated, the main switch is closed again, the self-checking is passed, and the water circulation system starts to work; after confirming that all units or parts of the swimming machine electric control system are in a normal state, the display unit displays the speed of water flow and normal system information in real time according to a set instruction of the remote control module, controls the start and stop of the driver and controls the digital frequency rotating speed according to an operation/stop instruction sent by the remote control module, and the driver drives the motor to rotate at the rotating speed corresponding to the set water flow speed when in operation, so as to drive the propeller impeller to rotate and output uniform water flow speed distribution and digital swimming speed setting and display data;

step2: the control system performs real-time intelligent water temperature, speed and water flow circulation control; the control system detects the water temperature of the swimming machine in real time, transmits information to the setting unit, receives instruction information of the setting unit, controls the on-off of the circulating pump, the jet pump, the heater and the disinfector according to the instruction information, and controls the starting or stopping of the driver and the adjustment of the rotating speed of the motor; when receiving the inquired short message or WIFI, providing the information of the running state of the swimming machine to a sender of the short message or WIFI, and/or receiving the information of the sender of the short message or WIFI to control and change the running state of the swimming machine.

Preferably, the monitoring program is further included:

the monitoring subprogram circularly executes the following steps, and the steps are not performed in sequence:

controlling the on-off of the heater according to a set value of the water temperature of the swimming machine and the detected actual water temperature, and powering on if the preset temperature is higher than the instant detection temperature and powering off if the preset temperature is lower than the detection temperature;

the jet pump is switched on and off at regular time according to setting and functional requirements;

the operation and parameter setting of the upgrading and updating function of the swimming machine;

display of water temperature or time or fault information.

The driver and the motor are automatically stopped after continuously working for a period of time; the driver and the heater are electrically interlocked; setting the jet pump to automatically start for several seconds at certain time intervals; the heater implements timed heating control using peak and valley electricity prices.

Preferably, the control method of the water flow rate comprises the following steps:

step1, reading the water flow speed value set last time;

step2, displaying the current water flow speed data;

step3, reading the fault data of the electric control system, if the fault occurs, displaying the fault code, otherwise, proceeding the next Step;

step4, judging whether an operation instruction from the remote controller is received, if yes, sending a driver starting instruction, and if not, carrying out the next Step;

step5, judging whether a stop instruction from the remote controller is received, if yes, sending a drive stop instruction, and if not, carrying out the next Step;

step6, judging whether an instruction for adjusting the water flow speed through a key of the remote controller is received, if yes, storing the setting content after the remote controller stops operating, and if not, operating the next Step;

and Step7, judging whether a command of pressing the 'operation' key for a long time is received, switching to the water flow speed display if yes, and returning to Step2 if no.

The water tunnel type swimming machine has the following preferable beneficial effects on an electric control system in practical application: 1. the water flow speed adjusting range is large, and different requirements from common swimming enthusiasts to professional athletes can be met; 2. the precision of water flow speed regulation is high, and the device is suitable for training professional athletes; 3. the operation is convenient and flexible, and the operation is reliable; 4. simple structure, low cost, small occupied space, water and energy conservation.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, like reference numbers generally represent like parts or steps.

FIG. 1 is a system block diagram of one embodiment of the electronic control system of the water tunnel swimming machine of the present invention;

FIG. 2 is a schematic flow chart illustrating one embodiment of the initialization and display functions of the control system of the water tunnel swimming machine of the present invention;

FIG. 3 is a schematic flow chart diagram of one embodiment of the control functions of the water tunnel swimmer of the present invention;

FIG. 4 is a schematic flow diagram of one embodiment of the setup functions of the water tunnel swimmer of the present invention;

fig. 5 is a schematic step diagram of an embodiment of the method of controlling a water tunnel swimming machine according to the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a subset of embodiments of the invention and not all embodiments of the invention, with the understanding that the invention is not limited to the example embodiments described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention described herein without inventive step, shall fall within the scope of protection of the invention.

First, an example for implementing an embodiment of the present invention is described with reference to fig. 1 to 5.