Small plate type plasma generator device

Abstract

The utility model relates to a small plate type plasma generator device which comprises a plate type plasma generator, a filter, a freezing dryer, a suction dryer, an integrated circulating water heat dissipation device, an ozone outlet, a second frequency converter, a PLC module and a plasma power supply. The output end of the filter is connected with an input pipeline of the refrigeration dryer, the output end of the refrigeration dryer is connected with an input pipeline of the suction dryer, and the output end of the suction dryer is connected with an input pipeline of the plate type plasma generator; a water inlet and a water outlet of the plate type plasma generator are connected with the integrated circulating water heat dissipation device through a pipeline; one end of the second frequency converter is connected with the three-phase power supply and the other end is electrically connected with the integrated circulating water radiator; the output end of the plate type plasma generator is connected with an ozone outlet pipeline; the plasma power supply is electrically connected with the plate-type plasma generator; and the PLC module is in communication connection with the second frequency converter and the plasma power supply, so that the use convenience, the operation stability and the operation convenience are improved.

Description

Technical Field

[0001] The utility model relates to a small plate-type plasma generator device, belonging to the field of ozone production. Background Art

[0002] Ozone is a strong oxidant, and its oxidizing power is second only to fluorine, and it has a wide range of applications. It can not only sterilize, but also remove the color and taste of organic matter in water. However, due to its difficult storage characteristics, it can only be used as it is produced through on-site production devices. The plate plasma generator has the characteristics of high-concentration ozone production, low energy consumption, small size, convenient combination, reliable operation and convenient maintenance. In recent years, it has been widely used in the fields of air disinfection, water disinfection, fruit and vegetable preservation and fresh-keeping, and greenhouse planting. The current small plate plasma generator system has high requirements for on-site use conditions, needs to provide low dew point oxygen or air, and requires an external chiller or circulating cooling water to dissipate heat. The existing small-scale devices have high on-site requirements when used, and the control operation is relatively simple. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model proposes a small plate-type plasma generator device.

[0004] The technical solution of the utility model is as follows:

[0005] The utility model provides a small plate-type plasma generator device, comprising a plate-type plasma generator, a filter, a small cold dryer, a small adsorption dryer, an integrated circulating water heat dissipation device, an ozone outlet, a second frequency converter, a PLC module and a plasma power supply;

[0006] The output end of the filter is connected to the input pipeline of the small cold dryer, the output end of the small cold dryer is connected to the input pipeline of the small adsorption dryer, and the output end of the small adsorption dryer is connected to the input pipeline of the plate-type plasma generator; air enters from the input end of the filter;

[0007] The water inlet and outlet of the plate-type plasma generator are connected to the pipeline of the integrated circulating water heat dissipation device;

[0008] The input end of the second frequency converter is connected to a three-phase power supply, and the output end is electrically connected to an integrated circulating water cooling device;

[0009] The output end of the plate-type plasma generator is connected to the ozone outlet pipe;

[0010] The plasma power supply is electrically connected to the plate-type plasma generator;

[0011] The PLC module is communicatively connected with the second frequency converter and the plasma power supply respectively.

[0012] As a preferred embodiment of the utility model, a dew point meter, a first flow monitoring meter and a pressure monitoring meter are provided in the connecting pipeline between the small-sized desiccant dryer and the plate-type plasma generator;

[0013] The dew point meter is used to detect the humidity of the gas in the pipeline;

[0014] The dew point meter, the first flow monitoring meter and the pressure monitoring meter are connected to the PLC module via signal cables.

[0015] As a preferred embodiment of the utility model, the integrated circulating water heat dissipation device includes a radiator, a cooling fan, a second temperature detection instrument, a second flow detection instrument and a variable frequency pump;

[0016] The input end of the radiator is connected to the water outlet pipeline of the plate-type plasma generator, the output end is connected to the input end pipeline of the variable frequency pump, the output end of the variable frequency pump is connected to the water inlet pipeline of the plasma generator, and a cooling fan is installed on one side of the radiator;

[0017] A second temperature detection instrument is provided in the pipeline connecting the water outlet of the plate-type plasma generator and the radiator, and a second flow detection instrument is provided in the pipeline connecting the radiator and the variable frequency pump;

[0018] The second temperature detection instrument and the second flow detection instrument are connected to the PLC module via a communication cable.

[0019] As a preferred embodiment of the utility model, an ozone concentration meter, a first temperature detection instrument and an electric regulating valve are provided in the pipeline connecting the plate-type plasma generator and the ozone outlet;

[0020] The ozone concentration meter and the first temperature detection instrument are connected to the PLC module via a communication cable.

[0021] As a preferred embodiment of the utility model, the plasma power supply includes a transformer and a first frequency converter;

[0022] The input end of the first frequency converter is connected to three-phase electricity, the output end of the first frequency converter is electrically connected to the input end of the transformer, and the output end of the transformer is electrically connected to the plate-type plasma generator;

[0023] A voltage and current sampling module is provided on the circuit connecting the plate-type plasma generator and the plasma power supply, and the voltage and current sampling module is communicatively connected with the PLC module.

[0024] As a preferred implementation mode of the present utility model, the PLC module is communicatively connected to the first frequency converter.

[0025] As a preferred implementation mode of the present utility model, the input end of the second frequency converter is connected to three-phase electricity, and the output end is electrically connected to the variable frequency pump.

[0026] The utility model has the following beneficial effects:

[0027] 1. The utility model adopts an integrated design and an integrated circulating water heat dissipation device. It can ensure the heat dissipation of the plate-type plasma generator without external cooling water, and guides the air flow to the transformer through the guide air duct to dissipate the heat of the transformer, thereby effectively reducing the operating temperature of the transformer.

[0028] 2. The utility model cabinet is equipped with an air filter and dryer. When in use, only compressed air or a small mobile air compressor is required. The compressed air passes through the filter and dryer to meet the requirements of low dew point and oil-free, and then is converted into ozone with moderate concentration by the plate generator. The use conditions are convenient and there is no need to find an additional low dew point oxygen source or air source.

[0029] 3. The circulating water loop of the utility model is equipped with a flow meter, a water temperature detection instrument, and a frequency conversion pump, which can adjust the circulating water flow according to the water temperature to ensure that the temperature is controlled within an appropriate range.

[0030] 4. The utility model is equipped with a dew point meter and a pressure detection instrument at the inlet of the plate-type generator to monitor the air dew point and pressure. Only when the dew point and pressure meet the requirements can the plasma power supply be put into operation to avoid the situation where the internal discharge of the plate-type plasma generator is caused by unqualified gas source.

[0031] 5. The utility model can quickly adjust the ozone production through gas flow and concentration measurement feedback to achieve the requirements of precise control and avoid the problem of excessive or insufficient ozone.

[0032] 6. The output end of the transformer of the utility model is equipped with a secondary voltage and current sampling module to monitor whether the output voltage and current are abnormal and protect the plasma generator in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a system schematic diagram of the utility model.

[0034] Figure 2 It is a module block diagram of an embodiment of the utility model.

[0035] Figure 3 It is a module block diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] It should be understood that the step numbers used in this document are only for convenience of description and are not intended to limit the order in which the steps are executed.

[0038] It should be understood that the terms used in the utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in the utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0039] The terms “include” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0040] The term "and / or" means and includes any and all possible combinations of one or more of the associated listed items.

[0041] Embodiment 1:

[0042] See also Figure 1 The utility model provides a small plate-type plasma generator device, including a plate-type plasma generator, a filter, a small cold dryer, a small adsorption dryer, an integrated circulating water heat dissipation device, an ozone outlet, a second frequency converter, a PLC module and a plasma power supply;

[0043] The output end of the filter is connected to the input pipeline of the small cold dryer, the output end of the small cold dryer is connected to the input pipeline of the small adsorption dryer, and the output end of the small adsorption dryer is connected to the input pipeline of the plate-type plasma generator; air enters from the input end of the filter;

[0044] The water inlet and outlet of the plate-type plasma generator are connected to the pipeline of the integrated circulating water heat dissipation device;

[0045] The input end of the second frequency converter is connected to a three-phase power supply, and the output end is electrically connected to an integrated circulating water cooling device;

[0046] The output end of the plate-type plasma generator is connected to the ozone outlet pipe;

[0047] The plasma power supply is electrically connected to the plate-type plasma generator;

[0048] The PLC module is communicatively connected with the second frequency converter and the plasma power supply respectively.

[0049] As a preferred embodiment of the utility model, a dew point meter, a first flow monitoring meter and a pressure monitoring meter are provided in the connecting pipeline between the small-sized desiccant dryer and the plate-type plasma generator;

[0050] The dew point meter is used to detect the humidity of the gas in the pipeline;

[0051] The dew point meter, the first flow monitoring meter and the pressure monitoring meter are connected to the PLC module via signal cables.

[0052] The integrated design and integrated circulating water cooling device improve the ease of use, stable operation and convenient operation of the plate-type plasma generator.

[0053] See also Figure 2-3 As a preferred embodiment of the utility model, the integrated circulating water heat dissipation device includes a radiator, a cooling fan, a second temperature detection instrument, a second flow detection instrument and a variable frequency pump, which are arranged at the bottom of the control cabinet, and can ensure the heat dissipation of the plate-type plasma generator without an external cooling system;

[0054] The input end of the radiator is connected to the water outlet pipeline of the plate-type plasma generator, the output end is connected to the input end pipeline of the variable frequency pump, the output end of the variable frequency pump is connected to the water inlet pipeline of the plasma generator, a cooling fan is installed on one side of the radiator, and a guide air duct is installed on the other side, which can guide the airflow to the transformer, dissipate heat for the transformer, and effectively reduce the operating temperature of the transformer;

[0055] A second temperature detection instrument is provided in the pipeline connecting the water outlet of the plate-type plasma generator and the radiator, and a second flow detection instrument is provided in the pipeline connecting the radiator and the variable frequency pump;

[0056] The second temperature detection instrument and the second flow detection instrument are connected to the PLC module via a communication cable. The PLC module can adjust the water flow rate according to the water temperature to ensure that the water temperature can be stabilized at a suitable temperature at different production rates.

[0057] The filter, small cold dryer and small adsorption dryer are arranged on the upper layer of the circulating water device of the control cabinet. The external air enters the plate plasma generator after passing through the filter, small cold dryer and small adsorption dryer.

[0058] As a preferred embodiment of the utility model, an ozone concentration meter, a first temperature detection instrument and an electric regulating valve are provided in the pipeline connecting the plate-type plasma generator and the ozone outlet;

[0059] The ozone concentration meter and the first temperature detection instrument are connected to the PLC module via a communication cable. The PLC module can quickly adjust the ozone output according to the gas flow and concentration measurement feedback to achieve the requirement of precise control and avoid the problem of excessive or insufficient ozone.

[0060] As a preferred embodiment of the utility model, the plasma power supply includes a transformer and a first frequency converter;

[0061] The input end of the first frequency converter is connected to three-phase electricity, the output end of the first frequency converter is electrically connected to the input end of the transformer, and the output end of the transformer is electrically connected to the plate-type plasma generator;

[0062] A voltage and current sampling module is provided on the circuit connecting the plate-type plasma generator and the plasma power supply. The voltage and current sampling module is in communication connection with the PLC module. The PLC module monitors the operation status of the plasma power supply in real time according to the operation parameters. If the secondary voltage and current are abnormal, the plasma power supply can be immediately shut down to avoid malfunction and damage of the plate-type plasma generator.

[0063] As a preferred embodiment of the present utility model, the PLC module is communicatively connected with the first frequency converter to perform power-off protection when an abnormality occurs in the device.

[0064] As a preferred embodiment of the utility model, the input end of the second frequency converter is connected to three-phase electricity, and the output end is electrically connected to the variable frequency pump. The variable frequency pump is controlled by the second frequency converter to adjust the water flow rate.

[0065] Embodiment 2:

[0066] After passing through the pipeline, the external compressed air first passes through the filter, small cold dryer and small adsorption dryer, and then enters the plate plasma generator. The front end of the generator is equipped with a dew point meter, a pressure detection instrument and a first flow detection instrument, and the back end is equipped with a first temperature detection instrument, an ozone concentration meter and an electric regulating valve. When the equipment is running, the plasma power supply is controlled to start according to the dew point and pressure values, and it can only run when the requirements are met. The flow and concentration values ​​can be used to calculate the ozone production, and the gas flow rate is adjusted through the electric regulating valve, thereby synchronously adjusting the operating power of the plasma power supply and accurately controlling the ozone production. Abnormal dew point, pressure or temperature will immediately trigger an alarm and shut down.

[0067] The circulating water system of the plate plasma generator includes a variable frequency pump, a radiator, a cooling fan, a second flow detection instrument and a second temperature detection instrument, which are installed at the bottom of the control cabinet. The variable frequency pump is controlled by the second inverter, and the water flow is adjusted according to the water temperature to ensure that the plate plasma generator operates at an appropriate temperature under different production. The radiator is equipped with a cooling fan and a guide air duct to guide the air flow to the transformer for heat dissipation, improve the fan efficiency, reduce the transformer operating temperature, and ensure its stable and long-term operation. Abnormal water flow or circulating water temperature will immediately trigger an alarm and shut down.

[0068] The first inverter is connected to the transformer input, and the transformer output is connected to the plate plasma generator. The transformer output is equipped with a secondary voltage and current sampling module to read specific operating parameters. The PLC module monitors the operation of the plasma power supply in real time. If the secondary voltage or current is abnormal, the plasma power supply can be immediately shut down to avoid damage to the plate plasma generator.

[0069] In the embodiments of the present application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can be represented by: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple.

[0070] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A small plate-type plasma generator device, characterized in that: It includes a plate plasma generator, a filter, a cold dryer, a desiccant dryer, an integrated circulating water cooling device, an ozone outlet, a second frequency converter, a PLC module and a plasma power supply; The output end of the filter is connected to the input pipeline of the cold dryer, the output end of the cold dryer is connected to the input pipeline of the adsorption dryer, and the output end of the adsorption dryer is connected to the input pipeline of the plate-type plasma generator; Air enters from the filter input; The water inlet and outlet of the plate-type plasma generator are connected to the pipeline of the integrated circulating water heat dissipation device; The input end of the second frequency converter is connected to a three-phase power supply, and the output end is electrically connected to an integrated circulating water cooling device; The output end of the plate-type plasma generator is connected to the ozone outlet pipe; The plasma power supply is electrically connected to the plate-type plasma generator; The PLC module is communicatively connected with the second frequency converter and the plasma power supply respectively.

2. A small plate-type plasma generator device according to claim 1, characterized in that: A dew point meter, a first flow monitoring meter and a pressure monitoring meter are provided in the connecting pipeline between the desiccant dryer and the plate-type plasma generator; The dew point meter is used to detect the humidity of the gas in the pipeline; The dew point meter, the first flow monitoring meter and the pressure monitoring meter are connected to the PLC module via signal cables.

3. A small plate-type plasma generator device according to claim 1, characterized in that: The integrated circulating water heat dissipation device includes a radiator, a cooling fan, a second temperature detection instrument, a second flow detection instrument and a variable frequency pump; The input end of the radiator is connected to the water outlet pipeline of the plate-type plasma generator, the output end is connected to the input end pipeline of the variable frequency pump, the output end of the variable frequency pump is connected to the water inlet pipeline of the plasma generator, and a cooling fan is installed on one side of the radiator; A second temperature detection instrument is provided in the pipeline connecting the water outlet of the plate-type plasma generator and the radiator, and a second flow detection instrument is provided in the pipeline connecting the radiator and the variable frequency pump; The second temperature detection instrument and the second flow detection instrument are connected to the PLC module via a communication cable.

4. A small plate-type plasma generator device according to claim 1, characterized in that: An ozone concentration meter, a first temperature detection instrument and an electric regulating valve are arranged in a pipeline connecting the plate-type plasma generator and the ozone outlet; The ozone concentration meter and the first temperature detection instrument are connected to the PLC module via a communication cable.

5. A small plate-type plasma generator device according to claim 1, characterized in that: The plasma power supply includes a transformer and a first frequency converter; The input end of the first frequency converter is connected to three-phase electricity, the output end of the first frequency converter is electrically connected to the input end of the transformer, and the output end of the transformer is electrically connected to the plate-type plasma generator; A voltage and current sampling module is provided on the circuit connecting the plate-type plasma generator and the plasma power supply, and the voltage and current sampling module is communicatively connected with the PLC module.

6. A small plate-type plasma generator device according to claim 5, characterized in that: The PLC module is communicatively connected to the first frequency converter.

7. A small plate-type plasma generator device according to claim 3, characterized in that: The input end of the second frequency converter is connected to three-phase electricity, and the output end is electrically connected to the frequency conversion pump.

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