Ice bath machine and control circuit

Abstract

The utility model provides an ice bath machine and a control circuit. The ice bath machine comprises a drive-by-wire board, a frequency conversion board, a controller, a water level detection circuit, a temperature detection circuit and a switching value detection circuit. The controller is connected with the drive-by-wire board through the drive-by-wire interface and connected with the frequency conversion board through the frequency conversion board interface. The water level detection circuit, the temperature detection circuit and the switching value detection circuit are connected with the controller; the controller is used for controlling the output of the frequency conversion board according to the input of the drive-by-wire board, a first detection value of the water level detection circuit, a second detection value of the temperature detection circuit and a detection value of the switching value detection circuit; and the frequency of the press is accurately controlled, so that the water temperature of the ice bath machine is accurately and stably controlled.

Description

Technical Field

[0001] The present application relates to the field of ice bath machines, and in particular to an ice bath machine and a control circuit. Background Art

[0002] An ice bath is a device used for ice water baths. Ice water baths are a post-training recovery training method that allows the body to quickly adapt and reduce sports injuries by exposing it to extremely low and high temperature stimulation in a short period of time. The principle is mainly to produce short-term vasodilation and contraction of blood vessels and muscle tissues through rapid changes in temperature, which helps to reduce muscle soreness and swelling, increase the body's metabolic rate, and promote muscle recovery. Current ice baths mainly use freezers or industrial frequency heat pumps to control the water temperature, which has the problem of unstable constant temperature control. Utility Model Content

[0003] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

[0004] The purpose of the present application is to solve one of the technical problems existing in the related art to at least a certain extent. The present application provides an ice bath machine and a control circuit to accurately and stably control the water temperature of the ice bath machine.

[0005] An embodiment of the first aspect of the present application is a control circuit for an ice bath machine, comprising a wire control board, a frequency conversion board, a controller, a water level detection circuit, a temperature detection circuit, and a switch detection circuit; the controller is connected to the wire control board via a wire control interface, and the controller is connected to the frequency conversion board via a frequency conversion board interface; the water level detection circuit, the temperature detection circuit, and the switch detection circuit are connected to the controller, and the controller is used to control the output of the frequency conversion board according to the input of the wire control board, the first detection value of the water level detection circuit, the second detection value of the temperature detection circuit, and the detection value of the switch detection circuit.

[0006] According to certain embodiments of the first aspect of the present application, the controller is connected to a load driving circuit.

[0007] According to certain embodiments of the first aspect of the present application, the output end of the load driving circuit is connected to the load through a relay.

[0008] According to certain embodiments of the first aspect of the present application, the controller is connected to an electronic expansion valve drive circuit, and the electronic expansion valve drive circuit is connected to the electronic expansion valve.

[0009] According to certain embodiments of the first aspect of the present application, the controller is connected to a dip switch state reading circuit, and the dip switch state reading circuit is connected to a dip switch.

[0010] According to certain embodiments of the first aspect of the present application, the water level detection circuit includes a first water level sensor input terminal, a second water level sensor input terminal, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor and a second capacitor, the first water level sensor input terminal and the second water level sensor input terminal are used to connect to the water level sensor, one end of the first resistor is connected to one end of the second resistor, the other end of the first resistor is connected to the first water level sensor input terminal and one end of the third resistor, the other end of the second resistor is connected to the second water level sensor input terminal and one end of the fourth resistor, the other end of the third resistor is connected to the first capacitor, and the other end of the fourth resistor is connected to the second capacitor.

[0011] According to certain embodiments of the first aspect of the present application, the controller is connected to the storage chip, and the storage chip is connected to the burning interface.

[0012] According to certain embodiments of the first aspect of the present application, the controller is connected to an operation indicator light.

[0013] According to certain embodiments of the first aspect of the present application, the switch quantity detection circuit is connected to the high voltage switch, the low voltage switch and the linkage switch.

[0014] An embodiment of the second aspect of the present application is an ice bath machine, comprising the control circuit as described above.

[0015] The above scheme has at least the following beneficial effects: the control circuit can control the output of the frequency conversion board according to the input of the wire control board, the first detection value of the water level detection circuit, the second detection value of the temperature detection circuit and the detection value of the switch detection circuit, accurately control the compressor frequency, and then accurately and stably control the water temperature of the ice bath machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0017] Figure 1 It is the connection diagram between the controller, line control board and frequency conversion board;

[0018] Figure 2 It is the connection diagram of the control circuit of the ice bath machine;

[0019] Figure 3 is the circuit diagram of the controller;

[0020] Figure 4 It is the circuit diagram of the water level detection circuit;

[0021] Figure 5is the circuit diagram of the temperature detection circuit;

[0022] Figure 6 It is the circuit diagram of the switch quantity detection circuit;

[0023] Figure 7 This is the circuit diagram of the wire control interface;

[0024] Figure 8 This is the circuit diagram of the frequency converter board interface;

[0025] Fig. 9 is the circuit diagram of the load driving circuit;

[0026] Fig.10 It is a circuit diagram of the electronic expansion valve driving circuit;

[0027] Fig.11 This is the circuit diagram of the DIP switch state reading circuit;

[0028] Fig.12 This is the circuit diagram of the DIP switch;

[0029] Fig.13 It is the circuit diagram of the memory chip;

[0030] Fig.14 This is the circuit diagram of the programming interface. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0032] It should be noted that, although the functional modules are divided in the device schematic diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. The terms "first", "second", etc. in the specification, claims or the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0033] An ice bath machine is a machine used for ice water baths; its principle is mainly to produce short-term vasodilation and constriction of blood vessels and muscle tissue through rapid changes in temperature, which helps to relieve muscle soreness and swelling.

[0034] Reference Figures 1 to 14 An embodiment of the present application provides an ice bath machine, which is controlled by a control circuit to achieve accurate and stable control of water temperature.

[0035] Reference Figure 1 and Figure 2The control circuit of the ice bath machine includes a wire control board 211, a frequency conversion board 221, a controller 100, a water level detection circuit 300, a temperature detection circuit 400, and a switch detection circuit 500; the controller 100 is connected to the wire control board 211 through a wire control interface 212, and the controller 100 is connected to the frequency conversion board 221 through a frequency conversion board interface 222; the water level detection circuit 300, the temperature detection circuit 400, and the switch detection circuit 500 are connected to the controller 100, and the controller 100 is used to control the output of the frequency conversion board 221 according to the input of the wire control board, the first detection value of the water level detection circuit 300, the second detection value of the temperature detection circuit 400, and the detection value of the switch detection circuit 500.

[0036] In this embodiment, the control circuit can control the output of the frequency conversion board 221 according to the input of the wire control board, the first detection value of the water level detection circuit 300, the second detection value of the temperature detection circuit 400 and the detection value of the switch detection circuit 500, accurately control the compressor frequency, and then accurately and stably control the water temperature of the ice bath machine.

[0037] Reference Figure 3 and Figure 7 The user inputs and sets parameters through the wire control board, the controller 100 is connected to the wire control board 211 through the wire control interface 212, the controller 100 and the wire control board 211 are connected through a 485 communication line, and the controller 100 controls the output of the frequency conversion board 221 according to the input of the wire control board.

[0038] Reference Figure 3 and Figure 8 The controller 100 is connected to the frequency conversion board 221 through the frequency conversion board interface 222, and the controller 100 and the frequency conversion board 221 are connected through a 585 communication line.

[0039] Reference Figure 4 The water level detection circuit 300 is connected to the water level sensor to detect the water level and obtain a first detection value; the temperature detection circuit 400 is connected to multiple temperature sensors to detect temperature values ​​including water inlet temperature, internal coil temperature, ambient temperature, etc. The control board adjusts parameters according to the first detection value of the water level detection circuit 300 and the second detection value of the temperature detection circuit 400 to further control the output of the frequency conversion board 221.

[0040] The water level detection circuit 300 includes a first water level sensor input terminal IN1, a second water level sensor input terminal IN2, a first resistor R81, a second resistor R82, a third resistor R69, a fourth resistor R70, a first capacitor C65 and a second capacitor C66. The first water level sensor input terminal IN1 and the second water level sensor input terminal IN2 are used to connect to the water level sensor. One end of the first resistor R81 is connected to one end of the second resistor R82, the other end of the first resistor R81 is connected to the first water level sensor input terminal IN1 and one end of the third resistor R69, the other end of the second resistor R82 is connected to the second water level sensor input terminal IN2 and one end of the fourth resistor R70, the other end of the third resistor R69 is connected to the first capacitor C65, and the other end of the fourth resistor R70 is connected to the second capacitor C66.

[0041] Reference Figure 6 The switch quantity detection circuit 500 is connected to the high voltage switch, the low voltage switch and the linkage switch.

[0042] Reference Fig. 9 The controller 100 is connected to the load driving circuit 600, and the output end of the load driving circuit 600 is connected to the load through a relay, and the signal output by the controller 100 is amplified to drive electronic devices such as relays to realize the switch control of the load. The load of the ice bath machine includes at least a compressor, a water pump, a fan, a crankshaft electric heater, a four-way valve, and a chassis electric heater.

[0043] Reference Fig.10 The controller 100 is connected to the electronic expansion valve driving circuit 700, and the electronic expansion valve driving circuit 700 is connected to the electronic expansion valve. The electronic expansion valve driving circuit 700 amplifies the signal output by the controller 100 to drive electronic devices such as relays to achieve on-off control of the electronic expansion valve.

[0044] Reference Fig.11 and Fig.12 , the controller 100 is connected to the dip switch state reading circuit 810, and the dip switch state reading circuit 810 is connected to the dip switch 820. The dip switch 820 is a mechanical switch that realizes the switch function by changing the on and off state of the internal circuit. It is usually composed of a group of micro switches, each micro switch corresponds to a bit, and different switch states can be set by changing the connection mode of the micro switch to realize the address switch. By controlling the dip switch 820, the operation mode of the frequency conversion board 221 can be set, and the operation modes include open-loop vector control, closed-loop vector control, and V / F control.

[0045] Reference Fig.13 and Fig.14, the controller 100 is connected to the storage chip 910, and the storage chip 910 is connected to the burning interface 920. The host computer writes data to the storage chip 910 through the burning interface 920, and the data is stored through the storage chip 910.

[0046] The controller 100 is connected to the operation indicator light. The operation indicator light indicates whether the control circuit of the ice bath machine is operating normally. For example, the controller 100 sends a signal indicating normal operation to the operation indicator light, and the operation indicator light turns green to indicate that the control circuit of the ice bath machine is operating normally; the controller 100 sends a signal indicating abnormal operation to the operation indicator light, and the operation indicator light turns red to indicate that the control circuit of the ice bath machine is operating abnormally.

[0047] The above is a specific description of the preferred implementation of the present application, but the present application is not limited to the embodiments. Technical personnel familiar with the field can make various equivalent modifications or substitutions without violating the spirit of the present application. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. A control circuit for an ice bath, characterized in that: It includes a wire control board, a frequency conversion board, a controller, a water level detection circuit, a temperature detection circuit, and a switch detection circuit; the controller is connected to the wire control board through a wire control interface, and the controller is connected to the frequency conversion board through a frequency conversion board interface; the water level detection circuit, the temperature detection circuit, and the switch detection circuit are connected to the controller, and the controller is used to control the output of the frequency conversion board according to the input of the wire control board, the first detection value of the water level detection circuit, the second detection value of the temperature detection circuit, and the detection value of the switch detection circuit.

2. The control circuit of an ice bath machine according to claim 1, characterized in that: The controller is connected to the load driving circuit.

3. The control circuit of an ice bath machine according to claim 2, characterized in that: The output end of the load driving circuit is connected to the load through a relay.

4. The control circuit of an ice bath machine according to claim 1, characterized in that: The controller is connected to an electronic expansion valve driving circuit, and the electronic expansion valve driving circuit is connected to an electronic expansion valve.

5. The control circuit of an ice bath machine according to claim 1, characterized in that: The controller is connected to a dip switch state reading circuit, and the dip switch state reading circuit is connected to a dip switch.

6. The control circuit of an ice bath machine according to claim 1, characterized in that: The water level detection circuit includes a first water level sensor input terminal, a second water level sensor input terminal, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor and a second capacitor. The first water level sensor input terminal and the second water level sensor input terminal are used to connect to the water level sensor, one end of the first resistor is connected to one end of the second resistor, the other end of the first resistor is connected to the first water level sensor input terminal and one end of the third resistor, the other end of the second resistor is connected to the second water level sensor input terminal and one end of the fourth resistor, the other end of the third resistor is connected to the first capacitor, and the other end of the fourth resistor is connected to the second capacitor.

7. The control circuit of an ice bath machine according to claim 1, characterized in that: The controller is connected to the storage chip, and the storage chip is connected to the burning interface.

8. The control circuit of an ice bath machine according to claim 1, characterized in that: The controller is connected with the operation indicator light.

9. The control circuit of an ice bath machine according to claim 1, characterized in that: The switch quantity detection circuit is connected with the high voltage switch, the low voltage switch and the linkage switch.

10. An ice bath machine, characterized in that: The method comprises a control circuit as claimed in any one of claims 1 to 9.

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