Energy-saving control device of packaging machine

Abstract

The utility model discloses an energy-saving control device of a packaging machine. The energy-saving control device comprises a button unit and a contactor, the packaging machine further comprises a heater unit and a beautifying device unit. The heater unit comprises a heating switch and a heater group; the heating switch is serially connected with the heater group; the beautifying device unit comprises a beautifying device controller and a beautifying device group; the beautifying device controller and the beautifying device group are connected in series; the first normally open contact and the second normally open contact are connected in series in a loop between the power supply end and the contactor; the first normally-closed contact and the second normally-closed contact are arranged in a loop of the heating switch and the heater group in series; and the contactor is connected in series in a cathode loop of the beautifying device controller and the beautifying device group. According to the technical scheme, the energy-saving control device is arranged in the packaging machine, and the button unit and the contactor are arranged in the energy-saving control device, so that an operator can complete opening and closing of an energy-saving mode through one-key operation, and centralized control over the heater of the packaging machine is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machine control technical field especially relates to a kind of energy-saving control device of packing machine. BACKGROUND

[0002] The heating device of packing machine is more, and heater power is big, and the total of complete machine is about 25KW.Packing machine heater position is dispersed in main machine, auxiliary machine, small package beautifying container, strip box beautifying container etc., and when equipment wheel keeps, waits material, runs empty vehicle debugging, other equipment fault maintenance etc., heater does not need to work in the situation, and it needs to be operated to the corresponding multiple parts respectively, easy to appear omission and the initiative of operating personnel to close energy-saving desire is not strong, resulting in the condition that energy-saving opportunity is lost, serious waste of energy. UTILITARY MODEL CONTENTS

[0003] The utility model provides a kind of energy-saving control device of packing machine to solve the problem of packing machine heating device energy saving inconvenient in prior art.

[0004] According to the energy-saving control device of the packing machine of the utility model, it includes: button unit and contactor;Packing machine further includes heater unit and beautifying container unit;

[0005] Heater unit includes heating switch and heater group;Heating switch and heater group are connected in series;

[0006] Beautifying container unit includes beautifying container controller and beautifying container group;Beautifying container controller and beautifying container group are connected in series;

[0007] Button unit includes first normally open contact, second normally open contact, first normally closed contact and second normally closed contact;

[0008] First normally open contact and second normally open contact are connected in series in the loop between power supply end and contactor;First normally closed contact and second normally closed contact are connected in series in the loop of heating switch and heater group;Contactor is connected in series in the negative loop of beautifying container controller and beautifying container group.

[0009] Optionally, the energy-saving control device further includes an indicator light;

[0010] The indicator light is connected in series with the contactor, and the first normally open contact and the second normally open contact are connected in series in the loop between the power supply end and the indicator light.

[0011] Optionally, the heater group includes a main machine heater and an auxiliary machine heater;The heating switch includes a main machine switch and an auxiliary machine switch;

[0012] The main machine switch and the main machine heater are connected in series;The auxiliary machine switch and the auxiliary machine heater are connected in series;

[0013] The first normally closed contact and the second normally closed contact are arranged in series in a loop of the main switch and the main heater.

[0014] Optionally, the packaging machine comprises an electric control cabinet.

[0015] The main switch is a main button arranged in the electric control cabinet, and the auxiliary switch is an auxiliary button arranged in the electric control cabinet.

[0016] Optionally, the cosmetic container group comprises a small-box cosmetic container and a strip-box cosmetic container; and the cosmetic container controller is connected in series with the small-box cosmetic container and the strip-box cosmetic container respectively.

[0017] The contactor is connected in series in a negative electrode loop between the cosmetic container controller and the small-box cosmetic container and in a negative electrode loop between the cosmetic container controller and the strip-box cosmetic container.

[0018] Optionally, the power supply end comprises a positive electrode and a negative electrode; the positive electrode is electrically connected with the first normally open contact; and the negative electrode is electrically connected with the second normally open contact through the series contactor.

[0019] Optionally, the voltage of the positive electrode of the power supply end is 24V.

[0020] Optionally, the contactor comprises a coil.

[0021] The first normally open contact and the second normally open contact are arranged in series in a loop between the power supply end and the coil.

[0022] Optionally, the cosmetic container group comprises at least one cosmetic heater.

[0023] Optionally, the button unit comprises a self-locking button.

[0024] The technical scheme of the embodiment of the utility model, through setting the energy-saving control device in the packaging machine, setting the button unit and the contactor in the energy-saving control device, so that the operator can complete the opening and closing of the energy-saving mode according to the one-key operation of the button unit, realizes the centralized control of the packaging machine heater, which will help to improve the full-energy-saving willingness, actively seize the equipment round preservation, standby material, empty vehicle debugging, maintenance other equipment fault and other opportunities that do not need the heater to work to close the heater and actively save energy, which will help to reduce the workshop electric energy consumption.

[0025] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, and is not used to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to make the technical scheme in the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0027] Figure 1 is a partial connection schematic diagram of a first energy-saving control device according to an embodiment of the present application;

[0028] Figure 2 is a partial connection schematic diagram of a second energy-saving control device according to an embodiment of the present application;

[0029] Figure 3 is a partial connection schematic diagram of a third energy-saving control device according to an embodiment of the present application. DETAILED DESCRIPTION

[0030] In order to make the technical scheme in the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0031] It should be noted that the terms "first", "second", and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] The energy-saving control device in the embodiment of the utility model is set in the packaging machine. The packaging machine can be mainly used for the equipment of automatically packaging tobacco products. The heater is usually set in the packaging machine to heat the packaging film so that the cigarette box can be sealed. For example, the heater in the main machine heater, auxiliary machine heater, small box beautifier and strip box beautifier of the packaging machine. The energy-saving control device in the embodiment of the utility model is used for one-key starting or stopping the heater to save energy. Figure 1 It is a partial connection schematic diagram of the first energy-saving control device according to the embodiment of the utility model, Figure 2 It is a partial connection schematic diagram of the second energy-saving control device according to the embodiment of the utility model, Figure 3 It is a partial connection schematic diagram of the third energy-saving control device according to the embodiment of the utility model. As shown in Figure 1 、 Figure 2 and Figure 3 , the energy-saving control device comprises:

[0033] The button unit 1 and the contactor 2; the packaging machine further comprises a heater unit 3 and a beautifier unit 4;

[0034] The heater unit 3 comprises a heating switch 31 and a heater group 32; the heating switch 31 and the heater group 32 are in series;

[0035] The beautifier unit 4 comprises a beautifier controller 41 and a beautifier group 42; the beautifier controller 41 and the beautifier group 42 are in series;

[0036] The button unit 1 comprises a first normally open contact 11, a second normally open contact 12, a first normally closed contact 13 and a second normally closed contact 14;

[0037] The first normally open contact 11 and the second normally open contact 12 are arranged in series in the loop between the power supply end 5 and the contactor 2; the first normally closed contact 13 and the second normally closed contact 14 are arranged in series in the loop of the heating switch 31 and the heater group 32; the contactor 2 is arranged in series in the negative loop of the beautifier controller 41 and the beautifier group 42.

[0038] Wherein, the operator can control the on and off of the button unit 1, and then control the conduction and shutdown of the circuit. The button unit 1 comprises a first normally open contact 11, a second normally open contact 12, a first normally closed contact 13 and a second normally closed contact 14, the circuit connected with the normally open contact is in the conduction state under normal circumstances, and the circuit connected with the normally closed contact is in the off state under normal circumstances. In some embodiments, the button unit 1 comprises a self-locking button, when the self-locking button is pressed, the button is fixed by the locking mechanism, the connection or disconnection is maintained; when pressed again, the locking mechanism is released, the button is popped up, and the initial state is restored. Setting the self-locking button facilitates stable control and ensures the normal work of the energy-saving control device.

[0039] The contactor 2 can be a device for controlling the load by controlling the contactor 2 contact closure through the current. When the contactor 2 is powered, the circuit connected in series with the contactor 2 is turned on; when the contactor 2 is powered off, the circuit connected in series with the contactor 2 is turned off.

[0040] The heater unit 3 in the packaging machine includes a heating switch 31 and a heater group 32, and the heater group 32 can include at least one heater. The heater group 32 is turned on by controlling the heating switch 31 to heat the packaging material. The cosmetic unit 4 can be used to optimize the appearance quality of the cigarette box. The cosmetic unit 4 includes a cosmetic controller 41 and a cosmetic group 42, which are connected in series. In the working mode, the cosmetic controller 41 continuously outputs a heating signal to the cosmetic group 42, so that the cosmetic group 42 works continuously. In some embodiments, the cosmetic group 42 includes at least one cosmetic heater, which can be used to heat and iron the transparent film on the surface of the cigarette box packaging to achieve the purpose of sealing the package.

[0041] Specifically, the first normally open contact 11 and the second normally open contact 12 are connected in series in the circuit between the power supply end 5 and the contactor 2, so that the button unit 1 can control the contactor 2 to be powered on or powered off. The operator can control the first normally open contact 11 and the second normally open contact 12 to be turned on according to the corresponding operation, so that the power supply end 5 and the contactor 2 are turned on to realize the power supply of the contactor 2. The first normally closed contact 13 and the second normally closed contact 14 are connected in series in the circuit of the heating switch 31 and the heater group 32, and the heater group 32 works continuously when the heating switch 31 is closed. The operator can control the normally open contact to be turned on and the normally closed contact to be turned off according to the corresponding operation, so that the contactor 2 is turned on and the heater group 32 stops power supply. At the same time, the contactor 2 is connected in series in the negative circuit of the cosmetic controller 41 and the cosmetic group 42, and the negative electrode of the cosmetic group 42 can output 0V voltage, so that the cosmetic controller 41 no longer continuously outputs the heating signal, and the cosmetic group 42 stops heating.

[0042] Specifically, when meeting the energy-saving mode, the operator presses the button unit 1, the contactor 2 is powered on, and the power-off energy-saving mode is entered. In this mode, the first normally closed contact 13 and the second normally closed contact 14 are disconnected, the power supply circuit of the heating switch 31 and the heater group 32 is disconnected, and the heater group 32 stops heating; at the same time, the contactor 2 is turned on, the negative 0V voltage of the beauty container group 42 is connected to the beauty container controller 41, and the beauty container controller 41 stops outputting the heating signal, and the beauty container group 42 also stops heating. When the device needs to be normally operated, the operator presses the button unit 1 again, the contactor 2 is powered off, and the normal heating mode is restored. In this mode, the first normally closed contact 13 and the second normally closed contact 14 are closed, the power supply circuit of the heating switch 31 and the heater group 32 is turned on, and the heater group 32 continues to heat; at the same time, the contactor 2 is disconnected, the beauty container controller of the beauty container group 42 continues to output the heating signal, and the beauty container group 42 works normally.

[0043] It can be understood that by setting the button unit 1 and the contactor 2, connecting the button unit 1 and the contactor 2 to the corresponding circuit, the operator can complete the opening of the energy-saving mode by one-key operation of the button unit 1, turn off the corresponding heater in the packaging machine, and make the beauty container controller 41 stop outputting the heating signal, realize the centralized control of the heater of the packaging machine, which will help to improve the energy-saving willingness of all personnel, actively seize the opportunity to close the heater when the device is maintained, waits for material, debugs the empty car, and maintains other equipment faults, and actively saves energy, which will help to reduce the consumption of electric energy in the workshop.

[0044] The technical scheme of the embodiment of the utility model, through setting energy-saving control device in packaging machine, setting button unit and contactor in energy-saving control device, make the operator can complete the opening and closing of energy-saving mode according to the one-key operation of button unit, realize the centralized control of the heater of packaging machine, which will help to improve the energy-saving willingness of all personnel, actively seize the opportunity to close the heater when the device is maintained, waits for material, debugs the empty car, and maintains other equipment faults, and actively saves energy, which will help to reduce the consumption of electric energy in the workshop.

[0045] Optionally, continuing to refer to Figure 1 , Figure 2 and Figure 3 It is shown that the energy-saving control device further includes an indicator lamp 6.

[0046] The indicator lamp 6 and the contactor 2 are connected in series, and the first normally open contact 11 and the second normally open contact 12 are connected in series between the power supply end 5 and the indicator lamp 6 in the loop.

[0047] Among them, the indicator lamp 6 can be a light-emitting diode type indicator lamp 6. The opening and closing of the indicator lamp 6 can represent the working state of the button unit 1 to remind the operator.

[0048] Specifically, the indicator lamp 6 is connected in series with the contactor 2, and the first normally open contact 11 and the second normally open contact 12 are connected in series between the power supply end 5 and the indicator lamp 6, when the first normally open contact 11 and the second normally open contact 12 are turned on, the loop between the power supply end 5 and the indicator lamp 6 is also turned on, so that the indicator lamp 6 is powered, indicating that the energy-saving mode is turned on. When the first normally open contact 11 and the second normally open contact 12 are turned off, the loop between the power supply end 5 and the indicator lamp 6 is also turned off, so that the indicator lamp 6 is powered off, indicating that the energy-saving mode is turned off.

[0049] The technical scheme of the embodiment of the utility model, through setting up the indicator lamp, the indicator lamp is connected in series with the contactor and the first normally open contact and the second normally open contact are connected in series between the power supply end and the indicator lamp, so that the indicator lamp 6 can display the working state of the button unit, and the operator can determine whether the packaging machine is in the energy-saving mode through the state of the indicator lamp.

[0050] Optionally, continuing to refer to Figure 1 、 Figure 2 and Figure 3 , the heater group 32 includes a main heater 321 and an auxiliary heater 322; the heating switch 31 includes a main switch 311 and an auxiliary switch 312;

[0051] The main switch 311 and the main heater 321 are connected in series; the auxiliary switch 312 and the auxiliary heater 322 are connected in series.

[0052] The first normally closed contact 13 and the second normally closed contact 14 are connected in series in the loop of the main switch 311 and the main heater 321; the first normally closed contact 13 and the second normally closed contact 14 are connected in series in the loop of the auxiliary switch 312 and the auxiliary heater 322.

[0053] The main heater 321 can be used for the heating demand of the core part of the packaging machine, and specifically can heat the packaging film, so that the packaging film is softened and adheres to the cigarette case. The auxiliary heater 322 can be used for the heating demand of auxiliary equipment, such as heating labels, glue and other auxiliary materials. The main switch 311 is connected in series with the main heater 321, which can be used for controlling the working state of the main heater 321, and the auxiliary switch 312 is connected in series with the auxiliary heater 322, which can be used for controlling the working state of the auxiliary heater 322.

[0054] Specifically, the first normally closed contact 13 and the second normally closed contact 14 are arranged in series in the loop of the main machine switch 311 and the main machine heater 321, and the first normally closed contact 13 and the second normally closed contact 14 are arranged in series in the loop of the auxiliary machine switch 312 and the auxiliary machine heater 322, so that by controlling the button unit 1, the first normally closed contact 13 and the second normally closed contact 14 are turned off, and at the same time, the loop of the main machine switch 311 and the main machine heater 321 and the loop of the auxiliary machine switch 312 and the auxiliary machine heater 322 are turned off, thereby completing the start of the energy-saving mode.

[0055] The technical scheme of the embodiment of the utility model, through the first normally closed contact and the second normally closed contact are arranged in series in the loop of the main machine switch and the main machine heater, the loop of the auxiliary machine switch and the auxiliary machine heater respectively, make through the button unit 1 can one key control corresponding heater closes or opens simultaneously, realized the centralized control of the heater of the packaging machine, help the promotion of the full energy-saving willingness, actively seize the equipment wheel to preserve, wait for material, run empty vehicle debugging, maintain other equipment fault and do not need the opportunity of heater work to close the heater initiative energy-saving, help the reduction of workshop electric energy consumption.

[0056] Optionally, the packaging machine comprises an electric control cabinet.

[0057] The main machine switch 311 is a main machine button arranged in the electric control cabinet, and the auxiliary machine switch 312 is an auxiliary machine button arranged in the electric control cabinet.

[0058] The electric control cabinet can be used to supply power for the main machine heater 321 and the auxiliary machine heater 322. The main machine switch 311 is a main machine button arranged in the electric control cabinet, and the auxiliary machine switch 312 is an auxiliary machine button arranged in the electric control cabinet. By controlling the main machine button and the auxiliary machine button in the electric control cabinet, whether to deliver power to the corresponding heater can be controlled, thereby controlling the normal work of the heater.

[0059] The main machine button and the auxiliary machine button can be manual switch buttons in the electric control cabinet that can control the main machine heater 321 and the auxiliary machine heater 322. For example, the main machine button can be a 2S3 button in a 236 line, and the auxiliary machine button can be a 3S3 button in a 716 line. The first normally closed contact 13 and the second normally closed contact 14 are arranged in series in the 236 line and the 716 line.

[0060] The technical scheme of the embodiment of the utility model, through setting the main machine switch 311 as the main machine button and the auxiliary machine switch 312 as the auxiliary machine button in the electric control cabinet, integrating the control of the main machine heater 321 and the auxiliary machine heater 322 in the electric control cabinet, the normal work of the heater in the packaging machine is realized.

[0061] Optionally, with reference to Figure 1 , Figure 2 and Figure 3As shown, the cosmetic container group 42 includes a small box cosmetic container 421 and a strip box cosmetic container 422; the cosmetic container controller 41 is connected in series with the small box cosmetic container 421 and the strip box cosmetic container 422 respectively;

[0062] The contactor 2 is connected in series in the negative loop between the cosmetic container controller 41 and the small box cosmetic container 421 and in the negative loop between the cosmetic container controller 41 and the strip box cosmetic container 422 respectively.

[0063] The small box cosmetic container 421 and the strip box cosmetic container 422 are independent devices arranged on the packaging machine. The small box cosmetic container 421 is used for heating and ironing the surface of a single cigarette box wrapped with loose transparent paper to make the transparent paper tightly wrapped without wrinkles. The strip box cosmetic container 422 is used for heating and ironing the surface of a whole strip of cigarette boxes wrapped with loose transparent paper to make the transparent paper tightly wrapped without wrinkles. The small box cosmetic container 421 and the strip box cosmetic container 422 are controlled by the cosmetic container controller 41 respectively. In the working state, the cosmetic container controller 41 continuously outputs a heating signal to the small box cosmetic container 421 and the strip box cosmetic container 422 respectively, so that the small box cosmetic container 421 and the strip box cosmetic container 422 work normally.

[0064] The contactor 2 is connected in series in the negative loop between the cosmetic container controller 41 and the small box cosmetic container 421 and in the negative loop between the cosmetic container controller 41 and the strip box cosmetic container 422 respectively. When the contactor 2 is powered, the 0V voltage of the negative electrode is connected to the cosmetic container controller 41, so that the cosmetic container controller 41 stops outputting the heating signal, and the small box cosmetic container 421 and the strip box cosmetic container 422 stop running.

[0065] The technical scheme of the embodiment of the utility model, through the contactor connected in series in the negative loop between the cosmetic container controller and the small box cosmetic container and in the negative loop between the cosmetic container controller and the strip box cosmetic container, one-key control of the button unit can control the opening and closing of all heaters in the packaging machine at the same time, the centralized control of the heater of the packaging machine is realized, the operator is facilitated to open and shut down, which will help to improve the energy-saving willingness of all personnel, actively seize the opportunity to close the heater when the equipment is in rotation, standby, empty car debugging, maintenance of other equipment faults and other conditions that do not need the heater to work, and actively save energy, which is helpful to reduce the electric energy consumption of the workshop.

[0066] Optionally, continuing to refer to Figure 1 , Figure 2 and Figure 3 As shown, the power supply end 5 includes a positive electrode 51 and a negative electrode 52; the positive electrode 51 is electrically connected with the first normally open contact 11, and the negative electrode 52 is electrically connected with the second normally open contact 12 through the series contactor 2.

[0067] The power supply end 5 comprises a positive electrode 51 and a negative electrode 52, the positive electrode is electrically connected with the first normally open contact 11, the second normally open contact 12 is electrically connected with one end of the contactor 2, and the other end of the contactor 2 is electrically connected with the negative electrode 52, so that the button unit 1 can control the conduction and the shutdown of the positive electrode 51 and the negative electrode 52 and further control the working state of the contactor 2.

[0068] In some embodiments, the voltage of the positive electrode 51 of the power supply end is 24V, so that the normal working state of the energy-saving control device is ensured.

[0069] The technical scheme of the embodiment of the utility model, through setting up the positive electrode of the power supply end and the first normally open contact electric connection, the negative electrode of the power supply end is connected with the second normally open contact through the series contactor, ensure the control of the button unit to the contactor, ensure the working state of the energy-saving control device.

[0070] Optionally, the contactor 2 comprises a coil;

[0071] The first normally open contact 11 and the second normally open contact 12 are arranged in series in the loop between the power supply end 5 and the coil.

[0072] The coil is energized to generate an electromagnetic field, and the contact of the contactor 2 is attracted by the electromagnetic field, and then the loop is turned on; when the coil is not energized, the contact of the contactor 2 is disconnected due to the disappearance of the electromagnetic field, and then the loop is turned off, so that the normal working state of the energy-saving control device is ensured.

[0073] The technical scheme of the embodiment of the utility model, through setting up the coil in the contactor, the first normally open contact and the second normally open contact are arranged in series in the loop between the power supply end and the coil, the contact of the contactor is attracted by the electromagnetic field of the coil, the linkage control of the button unit and the contactor is realized, and the normal working state of the energy-saving control device is ensured.

[0074] The above specific embodiments do not constitute a limitation on the protection scope of the utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An energy-saving control device for a packaging machine, characterized in that, include: The packaging machine also includes a button unit and a contactor; it further includes a heater unit and a beauty container unit. The heater unit includes a heating switch and a heater assembly; the heating switch and the heater assembly are connected in series. The beauty device unit includes a beauty device controller and a beauty device assembly; the beauty device controller and the beauty device assembly are connected in series; The button unit includes a first normally open contact, a second normally open contact, a first normally closed contact, and a second normally closed contact; The first normally open contact and the second normally open contact are connected in series in the circuit between the power supply terminal and the contactor; the first normally closed contact and the second normally closed contact are connected in series in the circuit between the heating switch and the heater group; the contactor is connected in series in the negative circuit between the beauty device controller and the beauty device group.

2. The energy-saving control device according to claim 1, characterized in that, The energy-saving control device also includes indicator lights; The indicator light is connected in series with the contactor, and the first normally open contact and the second normally open contact are connected in series in the circuit between the power supply terminal and the indicator light.

3. The energy-saving control device according to claim 1, characterized in that, The heater assembly includes a main heater and an auxiliary heater; the heating switch includes a main switch and an auxiliary switch. The main unit switch and the main unit heater are connected in series; the auxiliary unit switch and the auxiliary unit heater are connected in series. The first normally closed contact and the second normally closed contact are connected in series in the circuit of the main switch and the main heater; the first normally closed contact and the second normally closed contact are connected in series in the circuit of the auxiliary switch and the auxiliary heater.

4. The energy-saving control device according to claim 3, characterized in that, The packaging machine includes an electrical control cabinet; The main unit switch is a main unit button located in the electrical control cabinet, and the auxiliary unit switch is an auxiliary unit button located in the electrical control cabinet.

5. The energy-saving control device according to claim 1, characterized in that, The beauty device assembly includes small box beauty devices and strip box beauty devices; the beauty device controller is connected in series with the small box beauty devices and the strip box beauty devices respectively; The contactors are connected in series in the negative circuit between the beauty device controller and the small box beauty device, and in the negative circuit between the beauty device controller and the strip beauty device.

6. The energy-saving control device according to claim 1, characterized in that, Also includes: The power supply terminal includes a positive terminal and a negative terminal; the positive terminal is electrically connected to the first normally open contact, and the negative terminal is electrically connected to the second normally open contact through the contactor connected in series.

7. The energy-saving control device according to claim 6, characterized in that, The voltage at the positive terminal of the power supply is 24V.

8. The energy-saving control device according to claim 1, characterized in that, The contactor includes a coil; The first normally open contact and the second normally open contact are connected in series in the circuit between the power supply terminal and the coil.

9. The energy-saving control device according to claim 1, characterized in that, The beauty device assembly includes at least one beauty heater.

10. The energy-saving control device according to claim 1, characterized in that, The button unit includes a self-locking button.

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