Refrigerator voltage stabilizer

Abstract

The utility model provides a refrigerator voltage stabilizer, which is used for refrigerating vaccines and comprises an input module, an output module and a control module, the output module is used for outputting the working waveform and the working parameters of the refrigerator voltage stabilizer; the detection module is used for detecting the current working state of the refrigerator voltage stabilizer based on the working waveform, the working parameters and a preset rule; the display module is used for displaying the working state of the refrigerator voltage stabilizer according to the detection result of the detection module; the control module is used for controlling the working parameters and the working state of the refrigerator voltage stabilizer; the display module further comprises a fault alarm module, when the working waveform and the working parameters do not conform to preset rules, the fault alarm module is started, and the display module prompts fault information. The refrigerator voltage stabilizer is easy to use and high in working stability.

Description

Technical Field

[0001] The utility model belongs to the field of voltage stabilizers, and in particular relates to a refrigerator voltage stabilizer. Background Art

[0002] Vaccines are preventive biological products made from viruses, bacteria or their components, used to stimulate the human immune system to produce immunity against specific pathogens, thereby preventing diseases. Since vaccines are biological products, their effectiveness and safety are affected by temperature. Too high a temperature will destroy the components of the vaccine, resulting in reduced effectiveness or even ineffectiveness; while too low a temperature may cause the vaccine to freeze, also affecting its effectiveness. Generally speaking, vaccines need to be refrigerated in an environment of 2°C to 8°C, so vaccine refrigerators came into being.

[0003] However, in areas with unstable electricity, voltage is often too high, voltage is too low, voltage changes suddenly, AC over-frequency or under-frequency, etc. The existing refrigerator voltage stabilizers cannot cope with the above scenarios, and the failure rate or even the loss rate is extremely high, resulting in damage to vaccines and affecting vaccine promotion.

[0004] Based on the above, this application provides a technical solution to solve the above technical problems. Utility Model Content

[0005] In view of the defect that the refrigerator voltage stabilizer in the prior art cannot cope with the unstable power supply scenario, the utility model provides a refrigerator voltage stabilizer for refrigerating vaccines, comprising:

[0006] An input module, used to supply power to the refrigerator voltage stabilizer;

[0007] An output module, used for outputting the working waveform and working parameters of the refrigerator voltage stabilizer;

[0008] A detection module, wherein the detection module detects a current working state of the refrigerator voltage stabilizer based on the working waveform, the working parameters and preset rules;

[0009] A display module, the display module is arranged on the surface of the refrigerator stabilizer, and displays the working state of the refrigerator stabilizer according to the detection result of the detection module;

[0010] A control module, the control module is arranged on the surface of the refrigerator voltage stabilizer, and is used to control the working parameters and working state of the refrigerator voltage stabilizer;

[0011] The display module also includes a fault alarm module. When the detection module detects that the working waveform and the working parameter are beyond the normal range, the fault alarm module is activated and the display module prompts the fault information.

[0012] In a specific embodiment of the present utility model, the detection module includes a single-chip microcomputer, which detects the working waveform and working parameters of the refrigerator voltage regulator. The working parameters include the input voltage, input frequency, output voltage, and response speed of the refrigerator voltage regulator. The working waveform includes the harmonic increment parameter of the waveform.

[0013] In a specific embodiment of the present utility model, the display module further includes a display screen and an LED module. The LED module includes a fault LED module for indicating the fault state. The display screen displays the content of the fault information in text and / or digital form.

[0014] In a specific embodiment of the present utility model, the refrigerator voltage regulator is provided with a minimum input voltage value INmin, a maximum input voltage value INmax, a minimum output voltage value OUTmin, and a maximum input voltage value OUTmax;

[0015] When the detection circuit in the single-chip microcomputer detects that the input voltage Vin < INmin, an "input undervoltage" fault occurs, and the input voltage Vin is transmitted to the display module;

[0016] When the detection circuit in the single-chip microcomputer detects that the input voltage Vin > INmax, an "input overvoltage" fault occurs, and the input voltage Vin is transmitted to the display module;

[0017] When the detection circuit in the single-chip microcomputer detects that the output voltage Vout < OUTmin, an "output undervoltage" fault occurs, and the output voltage Vout is transmitted to the display module;

[0018] When the detection circuit in the single-chip microcomputer detects that the output voltage Vout > OUTmax, an "output overvoltage" fault occurs, and the output voltage Vout is transmitted to the display module;

[0019] When a fault occurs, the fault LED module lights up. When no fault occurs, the fault LED module is constantly dim.

[0020] In a specific embodiment of the present utility model, when the single-chip microcomputer detects that the input voltage Vin changes suddenly, it is an "input mutation" fault, and the input voltage Vin is transmitted to the display module;

[0021] The refrigerator voltage regulator is also provided with a rated range of input frequency. When the single-chip microcomputer detects that the input frequency parameter is not within the rated range of input frequency, it is an "input over / under frequency" fault;

[0022] When a fault occurs, the fault LED module lights up.

[0023] In a specific embodiment of the present invention, the display screen is a four-point high-definition LCD display screen, including a current input voltage display unit, a current output voltage display unit, a current current display unit and a working status display unit, which are respectively used to display the input voltage Vin, the output voltage value Vout, the current value and the working status.

[0024] In a specific embodiment of the present utility model, the display module further includes a delay LED module and a normal operation LED module. When the refrigerator voltage stabilizer is in normal working state, the normal operation LED module is always on.

[0025] In a specific embodiment of the present invention, the refrigerator voltage stabilizer also includes a self-test module and a protection module. The self-test module detects the working current of the refrigerator voltage stabilizer when the refrigerator voltage stabilizer is started. If the working current meets the first preset rule and there is no fault information, the refrigerator voltage stabilizer starts to operate normally. The protection module includes a circuit breaker. If the working parameters do not meet the preset rules, the circuit breaker is started and the refrigerator voltage stabilizer stops working.

[0026] In a specific implementation of the present invention, the control module includes a plurality of buttons, through which the user sets the minimum input voltage value INmin, the maximum input voltage value INmax, the minimum output voltage value OUTmin and the maximum input voltage value OUTmax.

[0027] In a specific embodiment of the present utility model, the refrigerator voltage stabilizer includes a relay module, the relay module includes a plurality of voltage regulating relays and a counter, the counter is used to record the number of times the relay is actuated, when the number of times the relay is actuated is greater than or equal to an action threshold, the display module outputs a prompt message that the number of times the relay is actuated reaches a warning value; the control module also includes an alarm cancellation button, the alarm cancellation button is used to cancel the prompt message.

[0028] The utility model can bring at least one of the following beneficial effects: the utility model provides a refrigerator stabilizer for refrigerating vaccines, through the detection module, based on the working parameters, working parameters and preset rules of the refrigerator stabilizer, the current working state of the refrigerator stabilizer is detected, the display module displays the working state of the refrigerator stabilizer according to the detection result of the detection module, when the working waveform and the working parameters do not meet the preset rules, the fault alarm module in the display module is started, and the display module prompts fault information; the user can control the working parameters and working state of the refrigerator stabilizer through the control module; the refrigerator stabilizer can continuously detect its internal working parameters and working state through the detection module, and monitor in real time whether there is a fault on the power supply side and inside the stabilizer, and the user can simply control the state of the refrigerator stabilizer through the control module, and can also intuitively confirm the current state and working parameters of the refrigerator stabilizer through the display module. The refrigerator stabilizer is simple to use, easy to operate, and has low manufacturing cost. Through continuous monitoring and real-time alarm, the working stability of the refrigerator stabilizer is guaranteed, and it performs well in scenes with poor power, and has a wider application scenario. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and their implementation methods.

[0030] Figure 1 A schematic diagram of the structure of a refrigerator voltage stabilizer proposed in an embodiment of the utility model;

[0031] Figure 2 A schematic diagram of the surface of a refrigerator voltage stabilizer proposed in an embodiment of the utility model;

[0032] Figure 3 A schematic diagram of a display screen of a refrigerator voltage stabilizer provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0033] The various aspects of the utility model are further described in detail below.

[0034] Unless otherwise defined or indicated, all professional and scientific terms used herein have the same meanings as those familiar to those skilled in the art. In addition, any methods and materials similar or equivalent to those described herein may be applied to the present invention.

[0035] The following is an explanation of the terms.

[0036] Unless otherwise clearly specified and limited, the "or" mentioned in the present invention includes the relationship of "and". The "and" is equivalent to the Boolean logic operator "AND", the "or" is equivalent to the Boolean logic operator "OR", and "AND" is a subset of "OR".

[0037] It is to be understood that although the terms "first", "second", etc. may be used herein to describe different elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. Therefore, the first element may be referred to as the second element without departing from the teachings of the present invention.

[0038] In the present invention, the terms "contain", "include" or "comprise" indicate that various components can be applied together in the mixture or composition of the present invention. Therefore, the term "mainly composed of..." is included in the terms "contain", "include" or "comprise".

[0039] Unless otherwise clearly specified and limited, the terms "connected", "connected" and "connection" in the present invention should be understood in a broad sense, for example, it can be a fixed connection, or it can be connected through an intermediary medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] For example, if an element (or component) is referred to as being on, coupled to, or connected to another element, the element may be directly formed on, coupled to, or connected to the other element, or there may be one or more intervening elements between them. In contrast, if the expressions "directly on," "directly coupled to," and "directly connected to" are used herein, then no intervening elements are indicated. Other words used to describe the relationship between elements should be similarly interpreted, such as "between" and "directly between," "attached" and "directly attached," "adjacent" and "directly adjacent," and the like.

[0041] It should also be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" used refer to directions toward or away from the geometric center of a particular component, respectively. It can be understood that these terms are used here to describe the relationship of one element, layer or region relative to another element, layer or region as shown in the drawings. In addition to the orientations described in the drawings, these terms should also include other orientations of the device.

[0042] Other aspects of the present invention will be apparent to those skilled in the art from the disclosure herein.

[0043] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0044] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation. The type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the component layout may also be more complicated. For example, the thickness of the components in the drawings may be exaggerated for the sake of clarity.

[0045] Example

[0046] In view of the defect that the refrigerator voltage stabilizer in the prior art cannot cope with the unstable power supply scenario, such as Figure 1 As shown, the utility model provides a refrigerator voltage stabilizer for refrigerating vaccines, comprising:

[0047] An input module, used to supply power to the refrigerator voltage stabilizer;

[0048] An output module, used for outputting the working waveform and working parameters of the refrigerator voltage stabilizer;

[0049] A detection module, wherein the detection module detects a current working state of the refrigerator voltage stabilizer based on the working waveform, the working parameters and preset rules;

[0050] A display module, the display module is arranged on the surface of the refrigerator stabilizer, and displays the working state of the refrigerator stabilizer according to the detection result of the detection module;

[0051] A control module, the control module is arranged on the surface of the refrigerator voltage stabilizer, and is used to control the working parameters and working state of the refrigerator voltage stabilizer;

[0052] The display module also includes a fault alarm module. When the working waveform and the working parameters do not meet the preset rules, the fault alarm module is activated and the display module prompts fault information.

[0053] Preferably, the detection module includes a single-chip microcomputer, and the working waveform and working parameters of the refrigerator voltage stabilizer are detected by the single-chip microcomputer. The working parameters include the input voltage Vin, input frequency, output voltage Vout and response speed of the refrigerator voltage stabilizer, and the working waveform includes the harmonic increment parameters of the waveform.

[0054] In a preferred embodiment of the present utility model, the display module further includes a display screen 1 and an LED module 2. The LED module 2 includes a fault LED module 21 for indicating a fault state. The display screen 1 displays the content of the fault information in text and / or numerical form, such as Figure 2 shown.

[0055] In a preferred embodiment of the present utility model, the refrigerator voltage stabilizer is provided with a minimum input voltage value INmin, a maximum input voltage value INmax, a minimum output voltage value OUTmin, and a maximum input voltage value OUTmax;

[0056] Obtain the minimum input voltage value INmin, the maximum input voltage value INmax, the minimum output voltage value OUTmin, and the maximum input voltage value OUTmax of the refrigerator voltage stabilizer;

[0057] When the detection circuit in the single-chip microcomputer detects that the input voltage Vin < INmin, an "input undervoltage" fault occurs, and the input voltage Vin is transmitted to the display module;

[0058] When the detection circuit in the single-chip microcomputer detects that the input voltage Vin > INmax, an "input overvoltage" fault occurs, and the input voltage Vin is transmitted to the display module;

[0059] When the detection circuit in the single-chip microcomputer detects that the output voltage Vout < OUTmin, an "output undervoltage" fault occurs, and the output voltage Vout is transmitted to the display module;

[0060] When the detection circuit in the single-chip microcomputer detects that the output voltage Vout > OUTmax, an "output overvoltage" fault occurs, and the output voltage Vout is transmitted to the display module;

[0061] When the detection circuit in the single-chip microcomputer detects that the input voltage Vin undergoes a sudden change, an "input mutation" fault occurs, and the input voltage Vin is transmitted to the display module;

[0062] Specifically, to ensure the stable operation of the refrigerator voltage stabilizer, the minimum input voltage value INmin can be selected as 110V, the maximum input voltage value INmax can be selected as 264V, the minimum output voltage value OUTmin can be selected as 196V, and the maximum input voltage value OUTmax can be selected as 253V.

[0063] The refrigerator voltage stabilizer is also provided with an input frequency rated range. When the detection circuit in the single-chip microcomputer detects that the input frequency parameter is not within the input frequency rated range, it is an "input over-frequency or under-frequency" fault. Specifically, the input frequency rated range is set. For example, the normal working frequency range is 47Hz to 63Hz. When the single-chip microcomputer detects that the input frequency parameter is lower than 47Hz or higher than 63Hz, it prompts an "input over-frequency or under-frequency" fault.

[0064] When a fault occurs, the fault LED module lights up.

[0065] It should be understood that the minimum input voltage value INmin, the maximum input voltage value INmax, the minimum output voltage value OUTmin and the maximum input voltage value OUTmax all represent voltage values ​​under the AC power grid.

[0066] When the detection circuit detects that the harmonic increment is lower than 3%, it indicates a "waveform distortion" fault. When the sudden change of the input voltage Vin is greater than 30%, it indicates an "input sudden change" fault.

[0067] Specifically, when a fault occurs, the fault LED module 21 lights up, and when no fault occurs, the fault LED module 21 is always dark.

[0068] Preferably, the fault LED module 21 is a red LED.

[0069] In a preferred embodiment of the present invention, Figure 2 As shown, the LED module 2 further includes a time-delay LED module 22 and a normal operation LED module 23. When the refrigerator voltage stabilizer is in normal working state, the normal operation LED module 23 is always on.

[0070] Preferably, the normal operation LED module 23 is a green LED, and the delay LED module 22 is a yellow LED.

[0071] In a preferred embodiment of the present invention, the refrigerator voltage stabilizer also includes a self-test module and a protection module. The self-test module detects the working current of the refrigerator voltage stabilizer when the refrigerator voltage stabilizer is started. If the working current meets the first preset rule and there is no fault information, the refrigerator voltage stabilizer starts to operate normally.

[0072] Specifically, the first preset rule is that the working current should be lower than a preset minimum value. Since the load (i.e., the refrigerator) is not connected when the refrigerator voltage stabilizer is initially started, the working current is the no-load current, and the no-load current is a minimum value close to 0.

[0073] The protection module includes a circuit breaker. If any one of the working parameters does not meet the preset rule, the circuit breaker is activated, and the refrigerator voltage stabilizer is powered off and stops working.

[0074] Preferably, the refrigerator voltage stabilizer is restarted after power failure and stops working, and the delay LED module flashes after restarting.

[0075] More specifically, the protection module includes an overcurrent protection module, a short circuit protection module, an overload protection module, and an overtemperature protection module.

[0076] In a preferred embodiment of the present invention, Figure 3 As shown, the display screen is a four-point high-definition liquid crystal display screen, including a current input voltage display part A, a working status display part B, a current output voltage display part C and a current current display part D, which are used to display the input voltage value, working status, output voltage value and current value respectively.

[0077] Preferably, the display screen 1 further comprises a load display unit for displaying the current actual load size percentage.

[0078] In a preferred embodiment of the present invention, the control module includes a plurality of buttons 3, and preferably, the user sets the values ​​of the minimum input voltage value INmin, the maximum input voltage value INmax, the minimum output voltage value OUTmin and the maximum input voltage value OUTmax through the buttons.

[0079] More specifically, the button 3 also includes a display state switching button, a setting button, etc., and all preset rules and preset conditions can also be adjusted through the button 3. The above button examples are only examples, and all commonly used control button types are included in the protection scope of the present utility model.

[0080] In a preferred embodiment of the present invention, the refrigerator voltage stabilizer includes a relay module, the relay module includes a plurality of voltage regulating relays and a counter, the counter is used to record the number of times the relay is actuated, when the number of times the relay is actuated is greater than or equal to an action threshold, the display module outputs a prompt message that the number of times the relay is actuated reaches a warning value.

[0081] Preferably, when the preset rules are not met, the refrigerator voltage stabilizer restarts, and after restarting, the relay module automatically energizes and starts. When the relay module is energized and started, the number of actions increases by 1. It should be understood that if the number of times the relay module operates is too large, it means that the current power supply environment is not good or the refrigerator voltage stabilizer is faulty.

[0082] More specifically, the action threshold can be set by the user.

[0083] The button 3 includes an alarm cancel button, and the alarm cancel button is used to cancel the prompt information.

[0084] In summary, the utility model has the following effects:

[0085] The utility model provides a refrigerator stabilizer for refrigerating vaccines. Through a detection module, the current working state of the refrigerator stabilizer is detected based on the working parameters, working parameters and preset rules of the refrigerator stabilizer. A display module displays the working state of the refrigerator stabilizer according to the detection result of the detection module. When the working waveform and the working parameters do not meet the preset rules, a fault alarm module in the display module is started, and the display module prompts fault information. A user can control the working parameters and working state of the refrigerator stabilizer through a control module. The refrigerator stabilizer can continuously detect its internal working parameters and working state through the detection module, and monitor in real time whether a fault occurs on the power supply side and inside the stabilizer. The user can simply control the state of the refrigerator stabilizer through the control module, and can also intuitively confirm the current state and working parameters of the refrigerator stabilizer through the display module. The refrigerator stabilizer is simple to use, easy to operate, and has a low manufacturing cost. Through continuous monitoring and real-time alarm, the working stability of the refrigerator stabilizer is guaranteed. It has good performance in dealing with scenes with poor power supply, and has a wider application scenario.

[0086] Based on this application, it should be understood by those skilled in the art that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0087] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

[0088] All documents mentioned in this utility model are cited as references in this application, just as each document is cited as reference separately. In addition, it should be understood that after reading the above content of this utility model, those skilled in the art can make various changes or modifications to this utility model, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A refrigerator voltage stabilizer for refrigerating vaccines, characterized in that: Comprising: An input module for supplying power to the refrigerator voltage stabilizer; An output module for outputting the working waveform and working parameters of the refrigerator voltage stabilizer; A detection module, which detects the current working state of the refrigerator voltage stabilizer based on the working waveform and the working parameters; A display module, which is arranged on the surface of the refrigerator voltage stabilizer and displays the working state of the refrigerator voltage stabilizer according to the detection result of the detection module; A control module, which is arranged on the surface of the refrigerator voltage stabilizer and is used to control the working parameters and working state of the refrigerator voltage stabilizer; The display module further includes a fault warning module. When the detection module detects that the working waveform and the working parameters exceed the normal range, the fault warning module is activated, and the display module prompts fault information.

2. The refrigerator voltage stabilizer according to claim 1, characterized in that: The detection module includes a single-chip microcomputer, which detects the working waveform and working parameters of the refrigerator voltage stabilizer. The working parameters include the input voltage of the refrigerator voltage stabilizer, the input frequency, the output voltage of the refrigerator voltage stabilizer, and the response speed. The working waveform includes the harmonic increment parameter of the waveform.

3. The refrigerator voltage stabilizer according to claim 2, characterized in that: The display module further includes a display screen and an LED module. The LED module includes a fault LED module for indicating the fault state. The display screen displays the content of the fault information in text and / or digital form.

4. The refrigerator voltage stabilizer according to claim 3, characterized in that: The refrigerator voltage stabilizer is provided with a minimum input voltage value INmin, a maximum input voltage value INmax, a minimum output voltage value OUTmin, and a maximum input voltage value OUTmax; When the detection circuit in the single-chip microcomputer detects that the input voltage Vin < INmin, an "input undervoltage" fault occurs, and the input voltage Vin is transmitted to the display module; When the detection circuit in the single-chip microcomputer detects that the input voltage Vin > INmax, an "input overvoltage" fault occurs, and the input voltage Vin is transmitted to the display module; When the detection circuit in the single-chip microcomputer detects that the output voltage Vout < OUTmin, an "output undervoltage" fault occurs, and the output voltage Vout is transmitted to the display module; When the detection circuit in the single-chip microcomputer detects that the output voltage Vout > OUTmax, an "output overvoltage" fault occurs, and the output voltage Vout is transmitted to the display module; When a fault occurs, the fault LED module lights up, and when no fault occurs, the fault LED module is constantly off.

5. The refrigerator voltage stabilizer according to claim 4, characterized in that: When the detection circuit in the single-chip microcomputer detects that the input voltage Vin changes suddenly, an "input mutation" fault occurs, and the input voltage Vin is transmitted to the display module; The refrigerator voltage stabilizer is also provided with a rated range of input frequency. When the detection circuit in the single-chip microcomputer detects that the input frequency parameter is not within the rated range of input frequency, it is an "input over / under frequency" fault; When a fault occurs, the fault LED module lights up.

6. The refrigerator voltage stabilizer according to any one of claims 3 to 5, characterized in that: The display screen is a four-point high-definition liquid crystal display screen, including a current input voltage display part, a current output voltage display part, a current current display part and a working status display part, which are respectively used to display the input voltage Vin, the output voltage value Vout, the current value and the working status.

7. The refrigerator voltage stabilizer according to claim 1, characterized in that: The display module also includes a delay LED module and a normal operation LED module. When the refrigerator voltage stabilizer is in normal working state, the normal operation LED module is always on.

8. The refrigerator voltage stabilizer according to claim 1, characterized in that: The refrigerator voltage stabilizer also includes a self-test module and a protection module. The self-test module detects the working current of the refrigerator voltage stabilizer when the refrigerator voltage stabilizer is started. If the working current meets the first preset rule and there is no fault information, the refrigerator voltage stabilizer starts to operate normally. The protection module includes a circuit breaker. If the working parameters do not meet the preset rules, the circuit breaker is started and the refrigerator voltage stabilizer stops working.

9. The refrigerator voltage stabilizer according to claim 1, characterized in that: The control module includes a plurality of buttons, through which the user sets the values ​​of the minimum input voltage value INmin, the maximum input voltage value INmax, the minimum output voltage value OUTmin and the maximum input voltage value OUTmax.

10. The refrigerator voltage stabilizer according to claim 9, characterized in that: The refrigerator voltage stabilizer includes a relay module, which includes a plurality of voltage regulating relays and a counter. The counter is used to record the number of times the relay is actuated. When the number of times the relay is actuated is greater than or equal to an action threshold, the display module outputs a prompt message indicating that the number of times the relay is actuated reaches a warning value. The control module also includes an alarm cancellation button, which is used to cancel the prompt message.

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