Dust collecting apparatus control circuit and dust collecting apparatus

Abstract

The application relates to a dust collecting equipment control circuit and dust collecting equipment. A first connection port of a frequency converter is connected with a fan, and a second connection port is used for connecting an external power supply. A relay is connected with a third connection port of the frequency converter, and the relay is connected with a dust removal module. A power conversion circuit is connected with the external power supply and a fourth connection port of the frequency converter. A controller is connected with the relay, the power conversion circuit and a fifth connection port of the frequency converter. The controller controls the frequency converter to start working, so that the frequency converter drives the fan to work. The fan can suck air in the external environment into a filtering channel of the dust collecting equipment to filter dust in the air. The controller controls the relay to work, so that the relay drives the dust removal module to work. When dust is accumulated too much in the filtering channel of the dust collecting equipment, the dust removal module can remove dust in the filtering channel, dust collecting and dust removal control of the dust collecting equipment is realized, the control circuit structure is simplified, and the circuit is convenient to maintain.

Description

Technical Field

[0001] This application relates to the field of dust collector technology, and in particular to a dust collection equipment control circuit and a dust collection equipment. Background Technology

[0002] Industrial dust collectors are industrial devices used to capture suspended particulate matter in gases. They achieve dust separation, storage, and emission purification of air through physical filtration. The core functions of industrial dust collectors include dust capture, storage, and emission purification of air, and they are widely used in chemical, power, and machinery manufacturing industries.

[0003] The control circuits of existing dust collectors have complex structures and are not easy to maintain. Utility Model Content

[0004] Based on this, and addressing the problems existing in the control circuit of the aforementioned dust collector, a dust collection equipment control circuit and dust collection equipment with a simplified circuit structure that facilitates circuit maintenance are provided.

[0005] In a first aspect, this application provides a dust collection equipment control circuit, including: The frequency converter is equipped with a first connection port, a second connection port, a third connection port, a fourth connection port and a fifth connection port. The first connection port is used to connect to the fan, and the second connection port is used to connect to the external power supply. The relay connects to the third connection port of the frequency converter and is used to connect the dust removal module. The power conversion circuit is connected to the external power supply and the fourth connection port of the frequency converter. The controller is the fifth connection port of the relay, power conversion circuit, and frequency converter.

[0006] In one embodiment, the relay is provided with a switching assembly; The relay is connected to the dust removal module via a switching assembly.

[0007] In one embodiment, the switching assembly includes a main switching valve and at least one secondary switching valve; The main switching valve is connected to a relay and a dust removal module, and each secondary switching valve is connected to a relay and a dust removal module.

[0008] In one embodiment, the dust collection equipment control circuit also includes a touch screen, which is provided with a power supply port and a signal port; The touchscreen is connected to the output of the power conversion circuit via a power supply port; the touchscreen is connected to the controller via a signal port.

[0009] In one embodiment, the dust collection equipment control circuit further includes a circuit breaker, with a first terminal connected to an external power supply and a second terminal connected to a power conversion circuit.

[0010] In one embodiment, the dust collection equipment control circuit further includes a heat dissipation module connected between the circuit breaker and the power conversion circuit.

[0011] In one embodiment, the dust collection equipment control circuit further includes an alarm module connected to the controller.

[0012] In one embodiment, the dust collection equipment control circuit further includes a sensing module; The sensor module is connected to the controller.

[0013] In one embodiment, the sensing module includes a differential pressure sensor and a temperature sensor; the differential pressure sensor and the temperature sensor are respectively connected to the controller.

[0014] Secondly, this application provides a dust collection device, including a device body, a fan, a dust removal module, and a dust collection device control circuit as described above; The fan, dust removal module, and dust collection equipment control circuit are located inside the main body of the equipment; the dust collection equipment control circuit is connected to the fan and dust removal module respectively.

[0015] One of the above technical solutions has the following advantages and beneficial effects: The aforementioned dust collection equipment control circuit includes a frequency converter, a relay, a power conversion circuit, and a controller. The frequency converter has a first connection port, a second connection port, a third connection port, a fourth connection port, and a fifth connection port. The first connection port is used to connect to the fan, and the second connection port is used to connect to an external power supply. The relay is connected to the third connection port of the frequency converter and is used to connect to the dust removal module. The power conversion circuit is connected to both the external power supply and the fourth connection port of the frequency converter. The controller is connected to the relay, the power conversion circuit, and the fifth connection port of the frequency converter. The controller controls the frequency converter to start working, causing the frequency converter to drive the fan to work. The fan then draws ambient air into the filter channel of the dust collection equipment to filter dust from the incoming air. The controller also controls the relay to work, causing the relay to drive the dust removal module. When too much dust accumulates in the filter channel of the dust collection equipment, the dust can be removed by the dust removal module, thus achieving dust collection and cleaning control of the dust collection equipment. By setting corresponding connection ports on the frequency converter, the fan, external power supply, relay, power conversion circuit, and controller can be connected to the frequency converter respectively, simplifying the control circuit structure and facilitating circuit maintenance. Attached Figure Description

[0016] Figure 1This is a first structural schematic diagram of the dust collection equipment control circuit in an embodiment of this application; Figure 2 This is a schematic diagram of the second structure of the dust collection equipment control circuit in the embodiments of this application; Figure 3 This is a schematic diagram of a first partial circuit of the dust collection equipment control circuit in an embodiment of this application; Figure 4 This is a schematic diagram of a second partial circuit of the dust collection equipment control circuit in an embodiment of this application; Figure 5 This is a schematic diagram of the third partial circuit of the dust collection equipment control circuit in an embodiment of this application; Figure 6 This is a schematic diagram of the fourth partial circuit of the dust collection equipment control circuit in the embodiments of this application.

[0017] Figure label: 10. Frequency converter; 20. Relay; 210. Switching assembly; 212. Main switching valve; 214. Secondary switching valve; 30. Power conversion circuit; 40. Controller; 50. Touch screen; 60. Circuit breaker; 70. Heat dissipation module; 80. Alarm module; 90. Sensing module; 910. Differential pressure sensor; 920. Temperature sensor; 100. Fan; 120. Dust removal module. Detailed Implementation

[0018] 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.

[0019] 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 used interchangeably where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover inclusions not explicitly listed. 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.

[0020] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0021] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0022] In addition, the term "multiple" should mean two or more.

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] In one embodiment, such as Figure 1 As shown, a dust collection equipment control circuit is also provided, including a frequency converter 10, a relay 20, a power conversion circuit 30, and a controller 40. The frequency converter 10 is provided with a first connection port, a second connection port, a third connection port, a fourth connection port, and a fifth connection port. The first connection port is used to connect to a fan 100, and the second connection port is used to connect to an external power supply. The relay 20 is connected to the third connection port of the frequency converter 10 and is used to connect to a dust removal module 120. The power conversion circuit 30 is connected to both the external power supply and the fourth connection port of the frequency converter 10. The controller 40 is connected to the relay 20, the power conversion circuit 30, and the fifth connection port of the frequency converter 10.

[0025] The dust collection equipment control circuit is applied to the dust collection equipment, which can be an industrial dust collection device. The dust collection equipment is equipped with a fan 100, which can be a centrifugal fan 100. The fan 100 draws in ambient air, which passes through the filter channel of the dust collection equipment to filter out dust particles. The filtered air is then discharged, thus achieving dust collection treatment of the environment where the dust collection equipment is located. The dust collection equipment also includes a cleaning module 120, which is used to remove the dust collected in the filter channel. For example, the cleaning module 120 can use a pulse jet cleaning method for cleaning.

[0026] The frequency converter 10 is used to adjust the power supply frequency and voltage of the fan 100, achieving stepless speed regulation of the fan 100. This ensures that the power of the dust collection equipment matches the actual air volume requirement. The frequency converter 10 is provided with a first connection port, which is used to connect the fan 100. For example, the fan 100 is plugged into the first connection port through a corresponding connection cable, thereby establishing an electrical connection between the frequency converter 10 and the fan 100. The frequency converter 10 is also provided with a second connection port, which is used to connect an external power source. For example, the external power source is plugged into the second connection port through a corresponding connection cable, establishing an electrical connection between the frequency converter 10 and the external power source. The external power source can be a three-phase four-wire power source, including the first phase live wire (R), the second phase live wire (S), the third phase live wire (T), and the protective earth wire (PE). The second interface of the frequency converter 10 is provided with a first terminal, a second terminal, a third terminal and a fourth terminal. The first phase live wire is connected to the first terminal of the frequency converter 10 through the corresponding connecting wire, the second phase live wire is connected to the second terminal of the frequency converter 10 through the corresponding connecting wire, the third phase live wire is connected to the third terminal of the frequency converter 10 through the corresponding connecting wire, and the fourth phase live wire is connected to the fourth terminal of the frequency converter 10 through the corresponding connecting wire.

[0027] The frequency converter 10 is also provided with a third connection port, which is used to connect the relay 20. For example, the relay 20 is plugged into the third connection port through a corresponding connecting wire to establish an electrical connection between the frequency converter 10 and the relay 20. The relay 20 is used to isolate high-voltage and low-voltage electricity through electromagnetic coupling, preventing high-voltage electricity from directly impacting low-voltage electricity, and avoiding interference from external voltage to the control circuit. The relay 20 is also used to connect the dust removal module 120, and thus, by controlling the on / off state of the corresponding port of the relay 20, the start and stop of the dust removal module 120 can be controlled.

[0028] The frequency converter 10 is also provided with a fourth connection port, which is used to connect the power conversion circuit 30. For example, the power conversion circuit 30 is plugged into the fourth connection port through a corresponding connecting cable to establish an electrical connection between the power conversion circuit 30 and the frequency converter 10. The power conversion circuit 30 is used to convert the high voltage of the external power supply into a low voltage that can supply power to the frequency converter 10 and the controller 40. For example, the power conversion circuit 30 converts and outputs a 24V voltage signal.

[0029] The inverter 10 is also provided with a fifth connection port, which is used to connect the controller 40. For example, the controller 40 is plugged into the fifth connection port through the corresponding connection cable to establish an electrical connection between the controller 40 and the inverter 10. The controller 40 can be a PLC (Programmable Logic Controller). Based on the controller 40, relay 20, power conversion circuit 30 and frequency converter 10 are connected respectively. When the dust collection equipment is powered on and initialized, the power conversion circuit 30 converts the electrical signal of the external power supply and provides the converted electrical signal to the frequency converter 10 and controller 40. The controller 40 controls the frequency converter 10 to start working through relay 20. The frequency converter 10 drives the fan 100 to rotate, so that the fan 100 draws the air from the external environment into the filter channel of the dust collection equipment to filter the air and discharge the filtered air, thereby achieving dust removal in the environment where the dust collection equipment is located. When the dust accumulated in the filter channel reaches the threshold, the controller 40 controls the dust cleaning module 120 to start through relay 20. The dust cleaning module 120 cleans the filter channel to prevent excessive dust accumulation in the filter channel from affecting the dust removal effect.

[0030] In the above embodiments, the frequency converter 10 is provided with a first connection port, a second connection port, a third connection port, a fourth connection port, and a fifth connection port. The first connection port is used to connect to the fan 100, and the second connection port is used to connect to an external power supply. The relay 20 is connected to the third connection port of the frequency converter 10 and is used to connect to the dust removal module 120. The power conversion circuit 30 is connected to the external power supply and the fourth connection port of the frequency converter 10. The controller 40 is connected to the relay 20, the power conversion circuit 30, and the fifth connection port of the frequency converter 10. The controller 40 controls the frequency converter 10 to start working, so that the frequency converter 10 drives the fan 100 to work. The fan 100 draws air from the external environment into the filter channel of the dust collection equipment to filter dust from the incoming air. The controller 40 controls the relay 20 to work, which in turn drives the dust removal module 120 to work. Thus, when too much dust accumulates in the filter channel of the dust collection equipment, the dust removal module 120 can remove the dust from the filter channel, thereby achieving dust collection and cleaning control of the dust collection equipment. The inverter 10 is equipped with corresponding connection ports so that the fan 100, external power supply, relay 20, power conversion circuit 30 and controller 40 can be connected to the inverter 10 respectively, which simplifies the control circuit structure and facilitates circuit maintenance.

[0031] In one embodiment, such as Figure 5 As shown, the relay 20 is equipped with a switch assembly 210; the relay 20 is connected to the dust removal module 120 through the switch assembly 210.

[0032] The switching assembly 210 can be composed of at least two switching valves, and is used to turn the cleaning module 120 on or off. For example, when the switching assembly 210 is on, the relay 20 is connected to the cleaning module 120, and the controller 40 controls the cleaning module 120 to be on through the relay 20; when the switching assembly 210 is off, the relay 20 is disconnected from the cleaning module 120, and the cleaning module 120 stops cleaning.

[0033] For example, the switching assembly 210 includes a main switching valve 212 and at least one secondary switching valve 214; the main switching valve 212 is connected to the relay 20 and the dust removal module 120 respectively, and each secondary switching valve 214 is connected to the relay 20 and the dust removal module 120 respectively.

[0034] Among them, the main switch valve 212 and the secondary switch valve 214 can be solenoid valves. The main switch valve 212 is used to turn on or off the dust removal module 120, and the secondary switch valve 214 is a backup switch valve. When the main switch valve 212 fails, by controlling the secondary switch valve 214 to turn on, the corresponding secondary switch valve 214 can be connected to the relay 20 and the dust removal module 120, thereby controlling the dust removal module 120 to start dust removal and ensuring that the dust collection equipment can be used normally.

[0035] In one embodiment, such as Figure 6 As shown, the dust collection equipment control circuit also includes a touch screen 50, which is provided with a power supply port and a signal port; the touch screen 50 is connected to the output terminal of the power conversion circuit 30 through the power supply port; the touch screen 50 is connected to the controller 40 through the signal port.

[0036] The touchscreen 50 can be a resistive touchscreen or a capacitive touchscreen, etc. The output of the power conversion circuit 30 can be connected to the power supply port of the touchscreen 50 via a corresponding connecting cable, and the controller 40 can be connected to the signal port of the touchscreen 50 via a corresponding connecting cable. The touchscreen 50 can be used to display the user interface, allowing the user to control the dust collection equipment by operating the touchscreen 50. The controller 40 can also display the processed dust collection data on the touchscreen 50, allowing the user to conveniently view the real-time dust collection status of the equipment.

[0037] In one embodiment, such as Figure 3 As shown, the dust collection equipment control circuit also includes a circuit breaker 60. The first end of the circuit breaker 60 is connected to an external power supply, and the second end of the circuit breaker 60 is connected to a power conversion circuit 30.

[0038] The circuit breaker 60 is used to provide overvoltage or overcurrent protection for the power conversion circuit 30 side.

[0039] For example, since the circuit breaker 60 is connected between the external power supply and the power conversion circuit 30, when the current of the external power supply exceeds the preset current, the circuit breaker 60 will automatically disconnect the loop between the external power supply and the power conversion circuit 30 to improve the safety of the circuit.

[0040] In one embodiment, such as Figure 1 As shown, the dust collection equipment control circuit also includes a heat dissipation module 70, which is connected between the circuit breaker 60 and the power conversion circuit 30.

[0041] For example, the heat dissipation module 70 may include a cooling fan connected between the circuit breaker 60 and the power conversion circuit 30 to dissipate heat from the control circuit, preventing overheating of components and thus circuit failure, thereby improving the reliability of the control circuit. It should be noted that the cooling fan may be an axial fan or a centrifugal fan.

[0042] In one embodiment, such as Figure 2 As shown, the dust collection equipment control circuit also includes an alarm module 80, which is connected to the controller 40.

[0043] The alarm module 80 can be an indicator light and / or a buzzer. The controller 40 is connected to the alarm module 80. When the control circuit malfunctions, the controller 40 can trigger the alarm module 80 to generate an alarm to remind the user to check and repair it in time.

[0044] In one embodiment, such as Figure 2 As shown, the dust collection equipment control circuit also includes a sensing module 90; the sensing module 90 is connected to the controller 40.

[0045] The sensing module 90 is used to collect characteristic information such as temperature and pressure of the dust collection equipment. For example, such as... Figure 2 and Figure 4 As shown, the sensing module 90 includes a differential pressure sensor 910 and a temperature sensor 920; the differential pressure sensor 910 and the temperature sensor 920 are respectively connected to the controller 40.

[0046] For example, the differential pressure sensor 910 can be installed in the filter channel of the dust collection equipment. Based on the differential pressure sensor 910 connected to the controller 40, when the dust collection equipment is powered on and started, the differential pressure sensor 910 can detect the current differential pressure in the filter channel in real time and transmit the detected current differential pressure to the controller 40. Then the controller 40 compares the current differential pressure with the preset differential pressure and controls the speed of the fan 100 according to the comparison result to avoid the filter channel differential pressure being too large and affecting the safety of the dust collection equipment.

[0047] Based on the temperature sensor 920 connected to the controller 40, when the dust collection equipment is powered on and started, the temperature sensor 920 can detect the temperature of the controller 40 in real time and transmit the detected current temperature to the controller 40. Then, the controller 40 compares the current temperature with the preset temperature and controls the rotation speed of the heat dissipation module 70 according to the comparison result, so as to avoid the controller 40 temperature from being too high and affecting the normal operation of the control circuit.

[0048] In one embodiment, a dust collection device is also provided, including a device body, a fan, a dust removal module, and a dust collection device control circuit as described above; the fan, the dust removal module, and the dust collection device control circuit are disposed within the device body; the dust collection device control circuit is respectively connected to the fan and the dust removal module.

[0049] The specific descriptions of the main body of the equipment, the fan, the dust removal module, and the dust collection equipment control circuit are the same as those in the above embodiments, and will not be repeated here.

[0050] The dust collection equipment control circuit is connected to the fan and the dust removal module respectively. The control circuit includes a frequency converter, a relay, a power conversion circuit, and a controller. The frequency converter has a first connection port, a second connection port, a third connection port, a fourth connection port, and a fifth connection port. The first connection port is used to connect to the fan, and the second connection port is used to connect to an external power supply. The relay is connected to the third connection port of the frequency converter and is used to connect to the dust removal module. The power conversion circuit is connected to both the external power supply and the fourth connection port of the frequency converter. The controller is connected to the relay, the power conversion circuit, and the fifth connection port of the frequency converter, and controls the frequency converter to start. The inverter drives the fan, which in turn draws ambient air into the dust collection equipment's filter channel for dust filtration. The controller controls the relays, which in turn drive the cleaning module. When excessive dust accumulates in the filter channel, the cleaning module removes the dust, thus controlling both dust collection and cleaning. The inverter has corresponding connection ports, allowing the fan, external power supply, relays, power conversion circuit, and controller to connect to it, simplifying the control circuit structure of the dust collection equipment and facilitating its maintenance.

[0051] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A control circuit for a dust collection device, characterized in that, include: The frequency converter is provided with a first connection port, a second connection port, a third connection port, a fourth connection port and a fifth connection port. The first connection port is used to connect to a fan, and the second connection port is used to connect to an external power supply. A relay, which is connected to the third connection port of the frequency converter, is used to connect to the dust removal module; A power conversion circuit, wherein the power conversion circuit is respectively connected to the external power supply and the fourth connection port of the frequency converter; The controller is connected to the relay, the power conversion circuit, and the fifth connection port of the frequency converter.

2. The dust collection equipment control circuit according to claim 1, characterized in that, The relay is equipped with a switching assembly; The relay is connected to the dust removal module via the switching assembly.

3. The dust collection equipment control circuit according to claim 2, characterized in that, The switching assembly includes a main switching valve and at least one secondary switching valve; The main switching valve is connected to the relay and the dust removal module respectively, and each of the secondary switching valves is connected to the relay and the dust removal module respectively.

4. The dust collection equipment control circuit according to claim 1, characterized in that, It also includes a touch screen, which is provided with a power supply port and a signal port; The touchscreen is connected to the output of the power conversion circuit via the power supply port; the touchscreen is connected to the controller via the signal port.

5. The dust collection equipment control circuit according to claim 1, characterized in that, It also includes a circuit breaker, the first end of which is connected to the external power supply, and the second end of which is connected to the power conversion circuit.

6. The dust collection equipment control circuit according to claim 5, characterized in that, It also includes a heat dissipation module, which is connected between the circuit breaker and the power conversion circuit.

7. The dust collection equipment control circuit according to claim 1, characterized in that, It also includes an alarm module, which is connected to the controller.

8. The dust collection equipment control circuit according to any one of claims 1 to 7, characterized in that, It also includes sensor modules; The sensing module is connected to the controller.

9. The dust collection equipment control circuit according to claim 8, characterized in that, The sensing module includes a differential pressure sensor and a temperature sensor; the differential pressure sensor and the temperature sensor are respectively connected to the controller.

10. A dust collection device, characterized in that, Includes the main body of the equipment, a fan, a dust removal module, and a dust collection equipment control circuit as described in any one of claims 1 to 9; The fan, the dust removal module, and the dust collection equipment control circuit are located inside the main body of the equipment; the dust collection equipment control circuit is connected to the fan and the dust removal module respectively.

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