Heating control system for tire vulcanizing machine

Abstract

The utility model provides a heating control system for a tire vulcanizing machine, and relates to the technical field of vulcanizing machines, the heating control system comprises a three-phase power input port, a rectification module, a power regulation module and an inversion module which are electrically connected in sequence, and the inversion module is connected with a heating module; the method further comprises a resistance heating mode and an electromagnetic heating mode. In a resistance heating mode, the inverter module outputs a first driving current, and the three-phase power input port, the rectifier module, the power regulation module, the inverter module and the resistance heating module form an access; in the electromagnetic heating mode, the inverter module outputs a second driving current, and the three-phase power input port, the rectifier module, the power regulation module, the inverter module and the electromagnetic heating module form an access; wherein in the resistance heating mode, the inversion module continuously outputs at the high level of the first driving current. One controller can control the electromagnetic heating module and the resistance heating module at the same time, and the practicability of the vulcanizing machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vulcanizing machine technical field, concretely relates to a heating control system for tire vulcanizing machine. BACKGROUND

[0002] In the existing electric heating vulcanization technology, most of them adopt resistance heating or electromagnetic heating principle, the core control components are not the same, resistance heating adopts silicon controlled rectifier or solid state relay element, electromagnetic heating adopts inverter technology for control, the parts of the two are not universal, but at present resistance heating and electromagnetic heating have their own advantages in application requirements, if two sets of systems are designed separately to improve the applicability of the vulcanizing machine, in addition to the space occupancy rate is too large, it also brings the cost rise that can not be ignored, further limits the investment return period of equipment.

[0003] Therefore, a heating control system for tire vulcanizing machine is urgently needed to solve the problem of high cost and large space occupation caused by resistance heating and electromagnetic heating using their own controllers respectively in the prior art. UTILITY MODEL CONTENTS

[0004] The application provides a heating control system for tire vulcanizing machine to at least solve the technical problems in the related art.

[0005] A heating control system for tire vulcanizing machine is provided, the tire vulcanizing machine comprises a heating module, the heating module comprises a resistance heating module and / or an electromagnetic heating module, and is arranged at a preset position of a tire mold and / or a heating plate; the heating control system for tire vulcanizing machine comprises: a three-phase power input port, a rectifier module, a power regulating module and an inverter module connected in sequence, and the inverter module is connected with the heating module; further comprising: a resistance heating mode and an electromagnetic heating mode; in the resistance heating mode, the inverter module outputs a first driving current, and the three-phase power input port, the rectifier module, the power regulating module, the inverter module and the resistance heating module form a path; in the electromagnetic heating mode, the inverter module outputs a second driving current, and the three-phase power input port, the rectifier module, the power regulating module, the inverter module and the electromagnetic heating module form a path; wherein in the resistance heating mode, the inverter module continuously outputs the first driving current at high / low level.

[0006] As an optional implementation, the electromagnetic heating module and the resistance heating module are arranged in parallel; the tire vulcanizing machine further comprises a first control switch and a second control switch; the first control switch is arranged between the inverter module and the resistance heating module, and the second control switch is arranged between the inverter module and the electromagnetic heating module.

[0007] As an optional implementation, the electromagnetic heating module comprises at least one electromagnetic heating unit; and the resistance heating module comprises at least one resistance heating unit.

[0008] As an optional implementation, the electromagnetic heating module comprises a plurality of electromagnetic heating units connected in series and / or in parallel; and the resistance heating module comprises a plurality of resistance heating units connected in series and / or in parallel.

[0009] As an optional implementation, only the electromagnetic heating mode or only the resistance heating mode is adopted at the same time.

[0010] As an optional implementation, the power supply device further comprises a main control module connected to the inverter module; the main control module is configured to control the inverter module to output the first driving current or the second driving current according to the type of the heating module.

[0011] As an optional implementation, the power supply device further comprises a temperature measurement module arranged close to the heating module and connected to the main control module; the main control module is further configured to control the output voltage of the power regulating module according to a temperature signal.

[0012] As an optional implementation, the power supply device further comprises a main control module connected to the power regulating module; the main control module is further configured to control the power regulating module to output a detection voltage and determine the type of the heating module according to a feedback current value and a feedback resistance value of the detection voltage.

[0013] As an optional implementation, the power supply device further comprises a current transformer arranged between the power regulating module and the inverter module; and a voltage acquisition circuit connected to the power regulating module.

[0014] As an optional implementation, the power supply device further comprises a box body, wherein a heat dissipation unit is arranged in the box body; the heat dissipation form of the heat dissipation unit comprises water cooling or air cooling; and the heat dissipation unit is connected to the plurality of functional modules.

[0015] The power supply device has the following beneficial effects:

[0016] The tire vulcanizing machine comprises a heating module, the heating module comprises a resistance heating module and / or an electromagnetic heating module, and is arranged at a preset position of a tire mold and / or a heating plate; the tire vulcanizing machine uses a heating control system, which comprises a three-phase power input port, a rectifier module, a power regulating module and an inverter module connected in sequence, and the inverter module is connected with the heating module; further comprising: a resistance heating mode and an electromagnetic heating mode; in the resistance heating mode, the inverter module outputs a first driving current, and the three-phase power input port, the rectifier module, the power regulating module, the inverter module and the resistance heating module form a path; in the electromagnetic heating mode, the inverter module outputs a second driving current, and the three-phase power input port, the rectifier module, the power regulating module, the inverter module and the electromagnetic heating module form a path; wherein, in the resistance heating mode, the inverter module continuously outputs high / low levels of the first driving current. That is, in the resistance heating mode, the inverter module outputs the high level and the low level with the same direction, so that the resistance is heated in connection, in the electromagnetic heating mode, the inverter module normally outputs a square wave alternating current, the integration of electromagnetic heating and resistance heating control is realized, the space is saved, the cost is greatly reduced, and the practicability of the vulcanizing machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated into the specification and forming a part thereof, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor.

[0019] Figure 1 It is a modular structure schematic diagram of an optional tire vulcanizing machine heating control system provided by the embodiment of the present application.

[0020] Figure 2 It is another optional tire vulcanizing machine heating control system modular structure schematic diagram provided by the embodiment of the present application.

[0021] Figure 3 It is still another optional tire vulcanizing machine heating control system modular structure schematic diagram provided by the embodiment of the present application.

[0022] REFERENCE NUMERALS

[0023] 1 Three-phase power input port; 2 Rectifier module; 3 Power adjustment module; 4 Inverter module; 5 Heating module; 51 Resistance heating module; 511 First control switch; 52 Electromagnetic heating module; 521 Second control switch; 6 Housing; 7 Temperature measurement module; 8 Main control module; 9 Current transformer; 10 Voltage acquisition circuit. Detailed Implementation

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0026] like Figure 1 As shown, this application embodiment provides a heating control system for a tire vulcanizing machine. The tire vulcanizing machine includes a heating module 5, which includes a resistance heating module 51 and / or an electromagnetic heating module 52, and is disposed at a preset position on the tire mold and / or heating plate.

[0027] The heating control system for the tire vulcanizing machine includes: a three-phase power input port 1, a rectifier module 2, a power adjustment module 3, and an inverter module 4 connected in sequence, wherein the inverter module 4 is connected to the heating module 5;

[0028] It also includes: a resistance heating mode and an electromagnetic heating mode; in the resistance heating mode, the inverter module 4 outputs a first driving current, and the three-phase power input port 1, the rectifier module 2, the power adjustment module 3, the inverter module 4 and the resistance heating module 51 form a circuit; in the electromagnetic heating mode, the inverter module 4 outputs a second driving current, and the three-phase power input port 1, the rectifier module 2, the power adjustment module 3, the inverter module 4 and the electromagnetic heating module 52 form a circuit;

[0029] In the resistance heating mode, the inverter module 4 continuously outputs the first drive current at a high / low level.

[0030] A single control system can simultaneously control both the electromagnetic heating module 52 and the resistance heating module 51, eliminating the need for separate controllers for each module. It's important to understand that the electromagnetic heating module 52 uses high-frequency AC power for heating, while the resistance heating module 51 uses DC power. Therefore, by controlling the drive current output from the inverter module 4, the electromagnetic heating module 51 and the resistance heating module 52 are controlled separately. In resistance heating mode, the inverter module 4 outputs a constant high and low level, allowing the resistance heating module 51 to heat. In electromagnetic heating mode, the inverter module 4 outputs a normal square wave AC power. This integration of electromagnetic and resistance heating control saves space, significantly reduces costs, and improves the practicality of the vulcanizing machine.

[0031] Specifically, the rectifier module 2 may include electronic components such as a rectifier bridge and a rectifier, used to convert three-phase AC power into DC power; the power adjustment module 3 is used for voltage regulation or power adjustment, and may include Buck circuits, Boost circuits, etc.; the inverter module 4 is used to adjust DC power into high-frequency AC power, and may be configured as an inverter, etc. This application does not limit the specific configuration of the above modules, and they can be selected according to the actual situation.

[0032] Additionally, a switch control module can be provided, located between the three-phase power input port 1 and the rectifier module 2, to control the overall shutdown and connection of the heating control system. Components with programmable control or similar functions, such as MOSFETs or IGBTs, can be selected.

[0033] As an optional implementation, the electromagnetic heating module 52 and the resistance heating module 51 are connected in parallel; the tire vulcanizing machine also includes a first control switch 511 and a second control switch 521; the first control switch 511 is disposed between the inverter module 4 and the resistance heating module 51, and the second control switch 521 is disposed between the inverter module 4 and the electromagnetic heating module 52.

[0034] That is, the tire vulcanizing machine may include only the resistance heating module 51 or only the electromagnetic heating module 52. It is easy to understand that when only the resistance heating module 51 is included, the heating control system remains in the resistance heating mode, and the vulcanizing machine is heated through the resistance heating module 51. When only the electromagnetic heating module 52 is included, the heating control system remains in the electromagnetic heating mode, and the vulcanizing machine is heated through the electromagnetic heating module 52. When both the resistance heating module 51 and the electromagnetic heating module 52 are included, either the resistance heating mode or the electromagnetic heating mode can be turned on as needed. The first control switch 511 and the first control switch 521 are used to control the connection and disconnection of the resistance heating module 51 and the electromagnetic heating module 52. In the electromagnetic heating mode, the first control switch 511 is off and the first control switch 521 is on; in the resistance heating mode, the first control switch 511 is on and the first control switch 521 is off.

[0035] It is also understood that at any given time, the device may be in either the electromagnetic heating mode or the resistance heating mode.

[0036] In addition, the electromagnetic heating module 52 may include at least one electromagnetic heating unit; the resistance heating module 51 may include at least one resistance heating unit.

[0037] When the electromagnetic heating module 52 includes multiple electromagnetic heating units, the multiple electromagnetic heating units can be connected in series and / or in parallel; when the resistance heating module 51 includes multiple resistance heating units, the multiple resistance heating units can be connected in series and / or in parallel.

[0038] For example, when the resistance heating module 51 includes multiple resistance heating units, the two ends of the resistance heating unit are connected to positive and negative poles. The resistance heating units can be connected in parallel, in series, or simultaneously turned on and off, or multiple circuits can be controlled separately. When controlled separately, the negative pole is shared. Multiple controlled switching components can be set at the output end. Each resistance heating unit is connected to the corresponding switching component. Only the on / off state of the positive pole of each circuit needs to be controlled to control whether the heating device of a single circuit is powered on and heats up.

[0039] Furthermore, at least one secondary switching element can be installed at the output of the heating control system. These secondary switching elements are connected in parallel, and each secondary switching element can be connected to a resistance heating unit. The primary switching element is set to a continuous on state. Power control is fed back to the main control module 8 by one or more temperature sensing elements, allowing for individual control of the output time ratio of each resistance heating unit. If a buck circuit or other voltage regulation device is installed, the output voltage can be adjusted or not adjusted according to the on / off time ratio of each heating unit, thereby controlling the output power.

[0040] As an alternative implementation, the vulcanizing machine may also be configured with a heating state and a heat preservation state; in the heating state, it may be in the electromagnetic heating mode or the resistance heating mode only; in the heat preservation state, it may be in the electromagnetic heating mode or the resistance heating mode.

[0041] That is, the vulcanizing heating of the vulcanizing machine can include a heating process of rising temperature and a heating process of holding temperature. Because rising temperature requires a rapid increase in temperature in a short time, if electromagnetic heating mode is used for a period of time and resistance heating mode is used for a period of time during the heating process, it will not be conducive to the rapid heating of the vulcanizing machine. Therefore, during the heating process, it is only in the electromagnetic heating mode or only in the resistance heating mode, while during the holding temperature heating state, it can be variably in the electromagnetic heating mode or the resistance heating mode.

[0042] In addition, such as Figures 2-3 As shown, a main control module 8 can also be set, which can intelligently adjust the heating mode of the heating control system.

[0043] The main control module 8 can be connected to the inverter module 4; the main control module 8 is configured to control the inverter module 4 to output a first drive current or a second drive current according to the type of the heating module 5.

[0044] For example, the main control module 8 may include a human-machine interface module, where users can input their chosen heating mode via a display screen, buttons, or other means, or input the heating module 5 included in the vulcanizing machine. The main control module 8 will select the heating mode based on the user's input.

[0045] The main control module 8 can also be connected to the power adjustment module 3. The main control module 8 is further configured to control the power adjustment module 3 to output a detection voltage and determine the type of the heating module 5 based on the feedback current and resistance values ​​of the detection voltage. That is, the main control module 8 can automatically determine whether the heating module 5 included in the tire vulcanizing machine is an electromagnetic heating module 52 or a resistance heating module 51, and select the heating mode based on the determination result. Simultaneously, the display screen included in the human-machine interface module can display the heating mode determined and selected by the main control module 8, or control other prompt structures set by the human-machine interface module to output signals indicating the selected heating mode, such as multi-color indicator lights, allowing the user to perform a secondary confirmation check and improving the accuracy of the heating mode selection.

[0046] Specifically, the power adjustment module 3 can be controlled to output a small voltage first. The phase angle between the current and voltage, the magnitude of the current and voltage, and the resistance value are detected. Based on these parameters, the type of heating module 5 is determined, and then the heating mode is determined based on the type of heating module 5. For example, a low-voltage AC current with a frequency of 0.1-100kHz (typically set to ≤24V) is first output through the power adjustment module 3. The phase angle between the current and voltage, as well as the current magnitude, are detected, and the phase angle deviation is calculated. Further, resistance value detection is used. If the phase angle deviation is 0 and the resistance is greater than 0Ω, it is considered resistance heating; otherwise, it is considered electromagnetic heating. It should be noted that the above values ​​are typical examples and include, but are not limited to, the ranges described above.

[0047] Furthermore, in addition to selecting heating module 5, if the tire vulcanizing machine is equipped with both electromagnetic heating module 52 and resistance heating module 51, the main control module 8 can also determine the specific heating duration of electromagnetic heating module 52 and resistance heating module 51. This can be achieved by the user inputting the specific duration, which in turn causes the main control module 8 to control the inverter module 4 to output the first drive current or the second drive current. Alternatively, the main control module 8 can determine the duration based on the vulcanizing machine temperature and the specific operating conditions of resistance heating module 51 or electromagnetic heating module 52. For example, it can set electromagnetic heating module 52 and resistance heating module 51 to heat for the same preset duration, or set the heating module 5 with a faster heating speed to have a longer heating duration and the heating module 5 with a slower heating speed to have a shorter heating duration.

[0048] As an alternative implementation, it also includes: a temperature measuring module 7, which can be disposed near the heating module 5 and connected to the main control module 8; the main control module 8 is further configured to control the output voltage of the power regulating module 3 according to the temperature signal.

[0049] Specifically, multiple temperature measurement modules 7 can be set up, each corresponding to one of the electromagnetic heating units or resistance heating units included in the heating module 5, and each can be adjusted by feedback.

[0050] As an optional implementation, it also includes: a current transformer 9, disposed between the power adjustment module 3 and the inverter module 4; and a voltage acquisition circuit 10, connected to the power adjustment module 3.

[0051] The current transformer 9 can be installed between the power regulation module 3 and the inverter module 4 to read the current, calculate the power, and protect the system from overcurrent. The voltage acquisition circuit 10 can be connected to the power regulation module 3 to collect the voltage, calculate the power, and protect against overvoltage. Additionally, a housing 6 may be included. The heat dissipation unit is connected to multiple functional modules, which may include a three-phase power input port 1, a rectifier module 2, a power regulation module 3, and an inverter module 4. The housing 6 may also contain a heat dissipation unit, which can be water-cooled or air-cooled. The rectifier module 2, power regulation module 3, and inverter module 4 can be connected to the heat dissipation unit respectively.

[0052] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0053] If the integrated units in the above embodiments are implemented as software functional units and sold or used as independent products, they can be stored in the aforementioned computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause one or more electronic devices (which may be personal computers, servers, or network devices, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application.

[0054] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0055] In the several embodiments provided in this application, it should be understood that the disclosed client can be implemented in other ways. The device embodiments described above are merely illustrative; for example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces, indirect coupling or communication connection between units or modules, and may be electrical or other forms.

[0056] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of the solution provided in this embodiment, depending on actual needs.

[0057] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0058] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0059] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A heating control system for a tire vulcanizing machine, characterized in that, The tire vulcanizing machine includes a heating module, which includes a resistance heating module and / or an electromagnetic heating module, and is set at a preset position on the tire mold and / or heating plate. The heating control system for the tire vulcanizing machine includes: a three-phase power input port, a rectifier module, a power adjustment module, and an inverter module connected in sequence, wherein the inverter module is connected to the heating module; It also includes: a resistance heating mode and an electromagnetic heating mode; in the resistance heating mode, the inverter module outputs a first drive current, and the three-phase power input port, the rectifier module, the power adjustment module, the inverter module, and the resistance heating module form a circuit; in the electromagnetic heating mode, the inverter module outputs a second drive current, and the three-phase power input port, the rectifier module, the power adjustment module, the inverter module, and the electromagnetic heating module form a circuit. In the resistance heating mode, the inverter module continuously outputs at a high / low level of the first drive current.

2. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, The electromagnetic heating module and the resistance heating module are connected in parallel; the tire vulcanizing machine also includes a first control switch and a second control switch; the first control switch is located between the inverter module and the resistance heating module, and the second control switch is located between the inverter module and the electromagnetic heating module.

3. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, The electromagnetic heating module includes at least one electromagnetic heating unit; the resistance heating module includes at least one resistance heating unit.

4. The heating control system for a tire vulcanizing machine as described in claim 3, characterized in that, The electromagnetic heating module includes multiple electromagnetic heating units, which are connected in series and / or in parallel. The resistance heating module includes multiple resistance heating units, which are connected in series and / or in parallel.

5. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, At any given time, it is either in the electromagnetic heating mode or in the resistance heating mode only.

6. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, Also includes: A main control module is connected to the inverter module; the main control module is configured to control the inverter module to output a first drive current or a second drive current according to the type of the heating module.

7. The heating control system for a tire vulcanizing machine as described in claim 6, characterized in that, Also includes: A temperature measurement module is connected to the main control module; the main control module is also configured to control the output voltage of the power adjustment module according to the temperature signal.

8. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, Also includes: A main control module connected to the power adjustment module; the main control module is also configured to control the power adjustment module to output a detection voltage and determine the type of heating module based on the feedback current value and feedback resistance value of the detection voltage.

9. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, Also includes: A current transformer is disposed between the power regulation module and the inverter module; The voltage acquisition circuit is connected to the power adjustment module.

10. The heating control system for a tire vulcanizing machine as described in claim 1, characterized in that, It also includes a housing, inside which a heat dissipation unit is installed. The heat dissipation unit can be water-cooled or air-cooled. The heat dissipation unit is connected to multiple functional modules.

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