CN114890386A - Drawer type ozone generator - Google Patents
Drawer type ozone generator Download PDFInfo
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- CN114890386A CN114890386A CN202210663101.1A CN202210663101A CN114890386A CN 114890386 A CN114890386 A CN 114890386A CN 202210663101 A CN202210663101 A CN 202210663101A CN 114890386 A CN114890386 A CN 114890386A
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- power supply
- main pipe
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/10—Dischargers used for production of ozone
- C01B2201/12—Plate-type dischargers
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/60—Feed streams for electrical dischargers
- C01B2201/62—Air
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/60—Feed streams for electrical dischargers
- C01B2201/64—Oxygen
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/70—Cooling of the discharger; Means for making cooling unnecessary
- C01B2201/74—Cooling of the discharger; Means for making cooling unnecessary by liquid
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/90—Control of the process
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention provides a drawer type ozone generator, comprising: the device comprises a cabinet body, wherein a plurality of groups of discharge chambers which are arranged in parallel at intervals are arranged in the cabinet body, a gas path main pipe and a cooling liquid main pipe are arranged outside the cabinet body, gas path branch pipes and cooling liquid branch pipes are respectively arranged in the discharge chambers, and the gas path branch pipes and the cooling liquid branch pipe are respectively distributed and communicated with the gas path main pipe and the cooling liquid main pipe; the power supply modules are arranged in parallel, each group of discharge chambers is respectively provided with one power supply module, and the power supply modules provide power for the discharge chambers; a plurality of operating condition monitored control systems, every group discharge chamber disposes operating condition monitored control system respectively, including control module and high-pressure detection module, high-pressure detection module is used for monitoring the operating voltage of discharge chamber, and can send the signal to the singlechip, and control module can control opening and close of power module, and control module can receive the signal that the singlechip sent, and control module is located between main power supply and the power module, and high-pressure detection module is located between power module and the discharge chamber.
Description
Technical Field
The invention relates to the technical field of ozone preparation, in particular to a drawer type ozone generator.
Background
Ozone (O3) is a light blue gas consisting of three oxygen atoms, which is unstable at normal temperature and pressure and has a special pungent odor. Ozone has extremely strong oxidation performance, is soluble in water, can be automatically decomposed into hydrated oxygen in water in a short time, has no secondary pollution, is an ideal green high-grade oxidant, has high-efficiency, quick, environment-friendly and safe effects on deodorization, sterilization, decoloration, organic matter removal and the like, and is widely applied to various industries including but not limited to drinking water, fruit and vegetable cleaning, semiconductor industry, environmental air sterilization, wastewater treatment, pharmacy, food, chemical industry, agriculture, paper making and the like.
On-site preparation is generally required in industrial applications due to ozone instability. Industrial applicability ozone sources typically employ ozone generators of the gas discharge type. Typical ozone generators generally include tubular ozone generators and plate ozone generators.
At present, the discharge chambers of the plate-type ozone generators in the prior art are combined into a large discharge chamber through simple cascade connection, and then a large power supply is connected into each discharge chamber in parallel. With the plate type ozone generator arranged in this way, once a certain discharge chamber is broken down, the whole ozone generator is broken down, so that the plate type ozone generator cannot work. In addition, such a parallel connection of a plurality of discharge cells can also result in inconvenient field repairs or even impossible repairs to damaged cells.
Disclosure of Invention
The invention mainly aims to provide a drawer type ozone generator, which changes the cascade mode of the traditional discharge chamber and the mode of integrally supplying power to a large-scale combined discharge chamber into a mode of supplying power to a modular discharge chamber by a plurality of independent small power supplies.
In order to accomplish the above object, the present invention provides a drawer type ozone generator comprising:
the device comprises a cabinet body, wherein a plurality of groups of discharge chambers which are arranged in parallel at intervals are arranged in the cabinet body, each group of discharge chambers at least comprises one discharge chamber, a gas path main pipe and a cooling liquid main pipe are arranged outside the cabinet body, each group of discharge chambers are respectively provided with a gas path branch pipe and a cooling liquid branch pipe, and the gas path branch pipes and the cooling liquid branch pipes are respectively distributed and communicated with the gas path main pipe and the cooling liquid main pipe;
the power supply modules are arranged in parallel, each group of discharge chambers is respectively provided with one power supply module, the power supply modules provide power for the discharge chambers, and the power supply modules are communicated with a main power supply;
a plurality of running state monitored control systems, every group discharge chamber disposes running state monitored control system respectively, running state monitored control system includes control module and high-pressure detection module, high-pressure detection module is used for monitoring the operating voltage of discharge chamber, and high-pressure detection module can send the signal to the singlechip, control module can control opening and close of power module, control module can receive the signal that the singlechip sent, control module is located between main power supply and the power module, high-pressure detection module is located between power module and the discharge chamber.
Preferably, the gas circuit house steward includes the inlet manifold and gives vent to anger the house steward, and the coolant liquid house steward includes feed liquor house steward and goes out the liquid house steward, and the gas circuit branch pipe includes inlet branch pipe and the branch pipe of giving vent to anger, and the coolant liquid branch pipe includes feed liquor branch pipe and play liquid branch pipe, and inlet manifold and inlet branch pipe intercommunication give vent to anger the house steward and give vent to anger the branch pipe intercommunication, feed liquor house steward and feed liquor branch pipe intercommunication, feed liquor branch pipe, play liquid branch pipe, inlet branch pipe and all be equipped with the trip valve on the branch pipe of giving vent to anger.
Further preferably, the discharge chamber includes two board-like telluric electricity field, two ultra-thin medium boards, the sealing washer, high voltage electrode board and high voltage electrode board connecting piece, board-like telluric electricity field's positive side is equipped with the first recess that holds, board-like telluric electricity field's dorsal part is equipped with the second and holds the recess, and the first degree of depth that holds the recess is greater than the second and holds the degree of depth of recess, when two telluric electricity field are laminated each other, the first recess that holds is held corresponds the setting with the second and is formed the third and hold the recess, two ultra-thin medium boards, high voltage electrode board and high voltage electrode board connecting piece pass through the sealing washer and seal in the third holds the recess, high voltage electrode board connecting piece is connected with power module, high voltage electrode board is connected with high voltage electrode board connecting piece.
Still more preferably, the high voltage electrode plate is provided with an opening, and the high voltage electrode plate connector is located in the opening.
Further preferably, the high-voltage electrode plate connecting piece is in a diamond shape, and two corresponding diamond corners of the diamond shape are respectively pressed and abutted against two side walls of the opening.
Further preferably, the bottom of the first accommodating groove and the bottom of the second accommodating groove of the plate-type grounding electrode are arranged at intervals to form a convex surface and a concave surface, wherein the convex surface is in close contact with the adjacent ultrathin medium plates, and the concave surface and the gas cavity enclosed by the concave surface and the adjacent ultrathin medium plates are discharge spaces.
Preferably, the plate-type grounding electrode is provided with an air inlet channel, an air outlet channel, a liquid inlet channel and a liquid outlet channel, the air outlet channel is communicated with the air outlet branch pipe, the air inlet channel is communicated with the air inlet branch pipe, the liquid inlet channel is communicated with the liquid inlet branch pipe, and the liquid outlet channel is communicated with the liquid outlet branch pipe.
Preferably, the control module comprises an optical coupling module and a relay which are connected in series, the optical coupling module controls the relay to be closed, and the relay is connected to the input end of the power supply module.
Further preferably, the control module further includes a first photoelectric isolation module, and the first photoelectric isolation module is connected in series with the optocoupler module.
Still further preferably, the high voltage detection module comprises a sampling resistor, a comparator module and a second optoelectronic isolation module,
the sampling resistor is connected with the discharge chamber in series and is positioned on a grounding wire of the discharge chamber;
the comparator module can collect the voltage of the sampling resistor, can compare the voltage of the sampling resistor with a set voltage, can control the on or off of the second photoelectric isolation module, and is connected with the second photoelectric isolation module in series;
the singlechip can gather the information of switching on or switching off of second optoelectronic isolation module.
The invention has the beneficial effects that:
the invention realizes local control by carrying out modularized structural improvement on the operating system of the ozone generator, and avoids the defect that the whole ozone generator is damaged locally to cause the trouble of the whole binding structure of the existing ozone generator. In addition, due to the adoption of a modularized design, in the huge cascade system of the ozone generator, the partial shutdown of the discharge chamber can be caused only after the partial damage of the discharge chamber or the power supply module, and the running system of the whole ozone generator can still be used in a short-time derating way, so that the whole ozone generator is not paralyzed. And maintenance personnel can replace the components (power off the damaged discharge chamber, closing a water-gas pipeline valve, and replacing a discharge chamber module or a power supply module) under the condition of not stopping the operation of the whole power supply-discharge chamber assembly, and can restore the normal operation of the power supply-discharge chamber assembly after the maintenance is finished. In addition, the operation monitoring system is arranged on the power supply-discharge chamber set, so that an operator can conveniently find the damaged power supply-discharge chamber set in time, and the maintenance is convenient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of a drawer-type ozone generator according to the present invention;
FIG. 2 is another perspective view of the drawer-type ozone generator of the present invention;
FIG. 3 is a side view of the drawer ozone generator of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural diagram of a discharge chamber of the drawer-type ozone generator of the present invention;
FIG. 7 is an exploded view of the discharge chamber of the drawer-type ozone generator of the present invention;
FIG. 8 is a front view of the discharge chamber of the drawer type ozone generator of the present invention;
FIG. 9 is a cross-sectional view taken along line D-D of FIG. 8;
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 8;
fig. 11 is an enlarged view of a portion E in fig. 8;
fig. 12 is an enlarged view of portion F in fig. 10;
FIG. 13 is a schematic view of the cascade system configuration of the operational system of the drawer type ozone generator of the present invention;
FIG. 14 is an overall circuit diagram of the operating system of the drawer type ozone generator of the present invention;
FIG. 15 is a circuit diagram of the high voltage detection module of the drawer ozone generator of the present invention;
fig. 16 is a circuit diagram of the control module of the drawer ozone generator of the present invention.
Description of the reference numerals
10. A main power supply;
100. a cabinet body; 110. a partition plate; 120. a base plate;
200. a piping system; 201. a liquid inlet header pipe; 202. a liquid outlet main pipe; 203. an intake manifold;
204. a gas outlet header pipe; 211. A liquid inlet branch pipe; 212. a liquid outlet branch pipe;
213. an intake branch pipe; 214. an air outlet branch pipe; 215. a shut-off valve;
300. a discharge chamber; 310. a plate-type ground electrode; 311. an air intake passage; 312. an air outlet channel;
313. a coolant passage; 314. a concave surface; 315. a convex surface; 320. an ultra-thin dielectric slab;
330. a high voltage electrode plate; 340. a seal ring; 350. a high voltage electrode plate connector;
360. a gas chamber; 370. a power supply module;
410. a high voltage detection module; 420. and a control module.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, the present invention provides a drawer-type ozone generator, which includes a cabinet 100, wherein two corresponding sides of the cabinet 100 are open, and a cabinet door is disposed on one side of the cabinet. A plurality of accommodating spaces are formed in the cabinet 100 and are separated by a plurality of partition plates 110. The partition 110 may be fixedly installed on the cabinet 100, or may be set in a drawing state, and the drawing state may refer to a drawer arrangement in the prior art, so as to facilitate drawing the partition 110, and facilitate maintenance of the discharge chamber 300 disposed on the partition 110. Wherein, a plurality of groups of discharge chambers 300 are installed on the partition 110 and the bottom plate 120 of the cabinet 100 at intervals, each group of discharge chambers 300 at least includes one discharge chamber 300, preferably, each group of discharge chambers 300 includes 1-3 discharge chambers 300, each group of discharge chambers 300 is arranged in parallel, and the discharge chambers 300 of the same group are arranged in series. As shown in fig. 13, each group of discharge chambers 300 is provided with an independent power module 370, the power modules 370 are connected in parallel, and the power modules 370 are communicated with the main power source 10. In addition, each group of discharge chambers 300 is further configured with an operation state monitoring system, and the operation state monitoring system can identify the operating state of the voltage of the group of discharge chambers 300 and control the on/off of the group of discharge chambers 300 according to the operating state of the voltage of the group of discharge chambers 300 (detailed below). A plurality of pipes with different purposes are disposed outside the cabinet 100, including a gas path main pipe and a coolant main pipe (described in detail below), the gas path main pipe is communicated with the discharge chambers 300 through the gas path branch pipes, and the coolant main pipe is communicated with the discharge chambers 300 through the coolant branch pipes. Each discharge chamber 300 is provided with a separate gas path branch pipe and a separate coolant branch pipe (described in detail below), and the gas path branch pipe and the coolant branch pipe are respectively provided with a shut-off valve 215 (shown in fig. 5).
In this embodiment, by means of a hierarchical arrangement, each hierarchy includes a group of discharge chambers 300, gas path branch pipes, coolant branch pipes, a power module 370 and an operation status monitoring system, the operation monitoring system is used to monitor the voltage of the group of discharge chambers 300, when the voltage is higher than the normal operating voltage or lower than the normal operating voltage, it indicates that a working problem occurs in the group of discharge chambers 300, and the operation monitoring system cuts off the power supply line of the power module 370, so that the power module 370 does not provide power for the group of discharge chambers 300 any more, at this time, the worker only needs to cut off the gas path branch pipes and the coolant branch pipes of the group of discharge chambers 300, and performs maintenance detection on the damaged discharge chambers 300 (i.e. when there are a plurality of discharge chambers 300 in a group of discharge chambers, only the damaged single discharge chamber 300 is maintained, and the group of discharge chambers in which the damaged discharge chamber is located at this time does not work any more), without having to switch off the main power supply 10 of the entire ozone generator, the other groups of discharge cells 300 can still be operated.
Specifically, in this embodiment, as shown in fig. 1 to 5, the gas path main pipe includes a gas inlet main pipe 203 and a gas outlet main pipe 204, the coolant main pipe includes a liquid inlet main pipe 201 and a liquid outlet main pipe 202, the gas path branch pipes include gas inlet branch pipes 213 and gas outlet branch pipes 214, the coolant branch pipes include liquid inlet branch pipes 211 and liquid outlet branch pipes 212, the gas inlet main pipe 203 is communicated with each gas inlet branch pipe 213, the gas outlet main pipe 204 is communicated with each gas outlet branch pipe 214, the gas inlet main pipe 201 is communicated with each liquid inlet branch pipe 211, the liquid outlet main pipe 202 is communicated with each liquid outlet branch pipe 212, and the liquid inlet branch pipes 211, the liquid outlet branch pipes 212, the gas inlet branch pipes 213 and the gas outlet branch pipes 214 are all provided with cut-off valves 215. Meanwhile, as shown in fig. 7, the liquid inlet branch pipe 211 is communicated with a liquid inlet channel in the cooling liquid channel 313 of the corresponding discharge chamber 300, the liquid outlet branch pipe 212 is communicated with a liquid outlet channel in the cooling liquid channel 313 of the corresponding discharge chamber 300, the gas inlet branch pipe 213 is communicated with a gas inlet channel 311 of the corresponding discharge chamber 300, and the gas outlet branch pipe 214 is communicated with a gas outlet channel 312 of the corresponding discharge chamber 300. The cooling liquid passage 313 in the plate-type ground electrode 310 of the present embodiment may be designed as a liquid inlet passage or a liquid outlet passage depending on the actual installation situation.
Specifically, in the present embodiment, as shown in fig. 6 to 10, each discharge chamber 300 includes two plate-type ground electrodes 310, two ultra-thin dielectric plates 320, a seal ring 340, a high-voltage electrode plate 330 having a certain thickness, and a high-voltage electrode plate connector 350. The two ultrathin dielectric plates 320, the high-voltage electrode plate 330 and the high-voltage electrode plate connecting piece 350 are sealed between the two plate-type grounding electrodes 310 through the sealing ring 340, the front side of one plate-type grounding electrode 310 is abutted against the back side of the other plate-type grounding electrode 310, the high-voltage electrode plate connecting piece 350 is connected with the power module 370, and the high-voltage electrode plate 330 is connected with the high-voltage electrode plate connecting piece 350. Preferably, in this embodiment, a deeper first receiving groove is formed on the front side of the plate-type ground electrode 310, a shallower second receiving groove is formed on the back side of the plate-type ground electrode 310, after the two plate-type ground electrodes 310 are attached to each other, the first receiving groove and the second receiving groove are correspondingly formed, so as to form a third receiving groove, and the two ultra-thin dielectric plates 320, the high-voltage electrode plate 330 and the high-voltage electrode plate connector 350 are installed in the third receiving groove, and the ultra-thin dielectric plates 320, the high-voltage electrode plate 330 and the other ultra-thin dielectric plate 320 are installed in the order of the ultra-thin dielectric plate 320, the high-voltage electrode plate 330 and the other ultra-thin dielectric plate 320, wherein the ultra-thin dielectric plates 320 are respectively connected to the corresponding plate-type ground electrodes 310 in a contact manner. It should be noted that, when there are a plurality of discharge cells in each group of discharge cells, the first receiving groove or the second receiving groove may not be provided on the outwardly facing side of the discharge cells on both sides of the side portion, and the operator may set the discharge cells according to actual conditions.
Preferably, as shown in fig. 8, in the present embodiment, the high voltage electrode plate 330 is provided with an opening, and the high voltage electrode plate connector 350 is located in the opening. The high-voltage electrode plate connector 350 is in a rhombus shape, and two corresponding rhombuses of the rhombus shape are respectively pressed and abutted with two side walls of the opening of the high-voltage electrode plate 330. The embodiment utilizes the metal characteristic of high voltage electrode plate connecting piece 350 itself, makes high voltage electrode plate connecting piece 350 into the rhombus, like this when two diamonds of rhombus contact with two open-ended lateral walls, can produce certain extrusion deformation to make the angle of rhombus enlarge, and then increase high voltage electrode plate connecting piece 350 and high voltage electrode plate 330's area of contact. Meanwhile, the high-voltage electrode plate 330 and the high-voltage electrode plate connector 350 are connected in an extrusion deformation manner, so that the connection between the two is tighter.
In the present embodiment, as shown in fig. 6 to 10, each plate-type ground electrode 310 is provided with a convex surface 315 and a concave surface 314 in the first receiving recess and the second receiving recess, respectively. Thus, after the discharge chamber 300 is assembled, the gas chamber 360 formed between the concave surface of the first receiving recess of one plate-type ground electrode 310 and the two adjacent convex surfaces thereof and the ultra-thin dielectric plate is a discharge space, and the gas chamber 360 formed between the concave surface of the second receiving recess of the back side of the other plate-type ground electrode 310 and the two adjacent convex surfaces thereof and the other ultra-thin dielectric plate holder is a discharge space. In the present embodiment, the convex surface 315 is in close contact with the ultra-thin dielectric plate 320, and heat generated by the ultra-thin dielectric plate 320 is conducted to the plate-type ground electrode 310 through the convex surface 315, thereby reducing the internal temperature. In addition, the rubber ring 340 in this embodiment is disposed in the annular groove 316 of the plate ground electrode 310. As shown in fig. 7 and 9, a ring-shaped groove is formed around the outer side of the first receiving groove, and a ring-shaped groove is also formed around the outer side of the second receiving groove, so that when the two plate-type ground electrodes 310 are attached to each other, the two ring-shaped grooves are combined with each other to form the ring-shaped groove 316. Meanwhile, the rubber ring 340 is not in contact with the ultra-thin dielectric plate 320, so that the burning loss of the rubber ring 340 is avoided. In this embodiment, the temperature of the ultra-thin dielectric plate 320 is uniformed by improving the structure, and the high-voltage electrode plate 330 may be, but not limited to, made of a metal material. The gas chamber 360 is used for discharging, so that the phenomenon of edge discharge of the high-voltage electrode plate 330 in the prior art is solved, and electricity is saved. In this embodiment, air or oxygen in the inlet branch pipe 213 enters the gas chamber 360 through the inlet passage 311, the oxygen in the gas chamber 360 is converted into ozone through electric discharge, the converted ozone enters the outlet passage 312 from the other end of the gas chamber 360, and then enters the outlet branch pipe 214 and the outlet header pipe 204 in sequence through the outlet passage 312, and then enters the ozone collecting device through the outlet header pipe 204.
In the present embodiment, please refer to fig. 3, 8 and 13, the operation status monitoring system includes a control module 420 and a high voltage detecting module 410. The control module 420 is used for turning on and off the circuit of the power module 370, and the control module 420 can receive a signal sent by the single chip microcomputer. As shown in fig. 14 and 16, the CTRL0 terminal in fig. 15 is a control output terminal of the single chip, which is connected to the control module circuit in fig. 16. Preferably, in this embodiment, as shown in fig. 16, the control module 420 includes an optical coupling module and a relay connected in series, where the optical coupling module controls the closing of the relay, and the relay is connected to the input end of the power supply module. When the single chip receives the signal sent by the high voltage detection module 410, the single chip sends a control signal CTRLi (i is the number of the circuit, for example, CTRL1, i.e., circuit No. 1) to the control module 420, and the relay K11 is controlled to be closed by the optocoupler module, so that the power supply module 370 is powered off, and the damaged discharge chamber 300 is in a powered off state. In addition, after the single chip sends out the control signal, the control signal can drive the indicator light (XLED output end in fig. 2) to light up, so that the operator can determine the operation state of the discharge chamber unit 300 according to the display of the indicator light. In addition, a first photoelectric isolation module can also be connected in series in the control module 420, so that the circuit of the whole control module is stable in operation, and the anti-interference performance of the whole control system is improved.
In this embodiment, the high voltage detection module 410 is used to determine whether the voltage in the discharge chamber 300 is normal, and if the high voltage detection module 410 determines that the voltage in the discharge chamber 300 is abnormal, the high voltage detection module 410 sends a signal to the single chip microcomputer. As shown in fig. 14, the CHKi (i is the number of the circuit, for example, CHK1, i.e., circuit No. 1) end of the single chip is connected to the high voltage detection module 410 in fig. 15. Preferably, as shown in fig. 15, the high voltage detection module 410 includes a sampling resistor Ri (i is the number of the circuit, for example, R1, i.e., the sampling resistor R in circuit No. 1), a comparator module, and a second optoelectronic isolation module. As shown in fig. 15, a sampling resistor Ri is connected in series before the discharge chamber Ci is grounded, a voltage across the sampling resistor Ri is transmitted to one end of the comparator module, a set voltage (input by an operator) is preset in the comparator module, the comparator module compares the voltage across the sampling resistor Ri with the set voltage, the comparator module controls the U _ GD of the second photoelectric isolation module to be turned on or off according to a comparison result, if the voltage across the sampling resistor Ri is the same as the set voltage, the U _ GD of the second photoelectric isolation module is controlled to be in an on state, and if the voltage across the sampling resistor Ri is different from the set voltage, the U _ GD of the second photoelectric isolation module is controlled to be turned off. The single chip microcomputer judges the state of the discharge chamber 300 according to the judgment result of the high voltage detection module 410, thereby controlling whether the control module 420 is turned off. If the second photoelectric isolation module is in a conducting state, the single chip microcomputer judges that the discharge chamber 300 works normally, so that the control module is in a conducting state; if the second optoelectronic isolation module is in an off state, the single chip microcomputer determines that the discharge chamber 300 works abnormally, and the single chip microcomputer sends a signal to the control module 420, so that a relay in the control module 420 is turned off, and the discharge chamber module is protected.
In the embodiment, the power module 370, the discharge chamber 300, the high voltage detection module 410, the control module 420 and the like are structurally improved in a modularized manner, so that local control is realized, and the defect that the whole body is damaged locally and tired due to the existing integral binding structure is avoided. In addition, in the huge cascade system of the embodiment, the discharge chamber module of the embodiment is only locally stopped after being locally damaged, and the whole ozone generator system can still be used in a short-time derating way, so that the whole cascade system is not totally paralyzed. Maintenance personnel can change each module assembly (the module cuts off the power supply, closes the aqueous vapor pipeline valve, changes discharge chamber module or power module) under the condition of not shutting down the operation, after the maintenance finishes, resumes normal operation of putting into operation again.
In this embodiment, no matter whether the MCU singlechip of MCS51 series or the STM32 embedded MCU singlechip uses assembly language or C language, the control idea is similar. The methods according to the present application are all conveniently implemented.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. A drawer ozone generator, comprising:
the discharge chamber comprises a cabinet body, a plurality of groups of discharge chambers are arranged in the cabinet body at intervals and are arranged in parallel, each group of discharge chambers at least comprises one discharge chamber, a gas path main pipe and a cooling liquid main pipe are arranged outside the cabinet body, each group of discharge chambers are respectively provided with a gas path branch pipe and a cooling liquid branch pipe, and the gas path branch pipes and the cooling liquid branch pipes are distributed and communicated with the gas path main pipe and the cooling liquid main pipe;
the power supply modules are arranged in parallel, each group of discharge chambers is respectively provided with one power supply module, the power supply modules provide power for the discharge chambers, and the power supply modules are communicated with a main power supply;
the system comprises a plurality of running state monitoring systems, wherein each group of discharge chambers is respectively provided with the running state monitoring systems, each running state monitoring system comprises a control module and a high-voltage detection module, each high-voltage detection module is used for monitoring the working voltage of each discharge chamber, each high-voltage detection module can send signals to a single chip microcomputer, each control module can control the on-off of each power supply module, each control module can receive the signals sent by the single chip microcomputer, each control module is located between a main power supply and the power supply modules, and each high-voltage detection module is located between the power supply modules and the discharge chambers.
2. The drawer-type ozone generator as claimed in claim 1, wherein the gas path main pipe comprises a gas inlet main pipe and a gas outlet main pipe, the coolant main pipe comprises a liquid inlet main pipe and a liquid outlet main pipe, the gas path branch pipe comprises a gas inlet branch pipe and a gas outlet branch pipe, the coolant branch pipe comprises a liquid inlet branch pipe and a liquid outlet branch pipe, the gas inlet main pipe is communicated with the gas inlet branch pipe, the gas outlet main pipe is communicated with the gas outlet branch pipe, the liquid inlet main pipe is communicated with the liquid inlet branch pipe, the liquid outlet main pipe is communicated with the liquid outlet branch pipe, and the liquid inlet branch pipe, the liquid outlet branch pipe, the gas inlet branch pipe and the gas outlet branch pipe are all provided with a shut-off valve.
3. The drawer-type ozone generator as claimed in claim 2, wherein the discharge chamber comprises two plate-type grounding electrodes, two ultra-thin dielectric plates, a sealing ring, a high voltage electrode plate and a high voltage electrode plate connecting member, the front side of the plate-type grounding electrode is provided with a first accommodating groove, the back side of the plate-type grounding electrode is provided with a second accommodating groove, the depth of the first accommodating groove is greater than that of the second accommodating groove, when the two grounding electrodes are mutually attached, the first accommodating groove and the second accommodating groove are correspondingly arranged to form a third accommodating groove, the two ultrathin dielectric plates, the high-voltage electrode plate and the high-voltage electrode plate connecting piece are sealed in the third accommodating groove through the sealing ring, the high-voltage electrode plate connecting piece is connected with the power module, and the high-voltage electrode plate is connected with the high-voltage electrode plate connecting piece.
4. The drawer-type ozone generator of claim 3, wherein the high voltage electrode plate is provided with an opening, and the high voltage electrode plate connector is located in the opening.
5. The drawer-type ozone generator as claimed in claim 4, wherein the high voltage electrode plate connectors are diamond-shaped, and two corresponding diamonds of the diamond-shape are respectively pressed against two side walls of the opening.
6. The drawer-type ozone generator as claimed in claim 3, wherein the bottom of each of the first receiving recess and the second receiving recess of the plate-type ground electrode is provided with a convex surface and a concave surface at intervals, wherein the convex surfaces are in close contact connection with the adjacent ultra-thin dielectric plates, and a gas chamber enclosed by the concave surfaces and the two adjacent convex surfaces and the ultra-thin dielectric plates adjacent to the concave surfaces is a discharge space.
7. The drawer-type ozone generator as claimed in claim 3, wherein the plate-type grounding electrode is provided with an air inlet channel, an air outlet channel, a liquid inlet channel and a liquid outlet channel, the air outlet channel is communicated with the air outlet branch pipe, the air inlet channel is communicated with the air inlet branch pipe, the liquid inlet channel is communicated with the liquid inlet branch pipe, and the liquid outlet channel is communicated with the liquid outlet branch pipe.
8. The drawer-type ozone generator as claimed in claim 1, wherein the control module comprises an optical coupling module and a relay connected in series, the optical coupling module controls the closing of the relay, and the relay is connected to the input end of the power supply module.
9. The drawer-type ozone generator of claim 8, wherein the control module further comprises a first photo-isolation module, the first photo-isolation module being in series with the opto-coupler module.
10. The drawer-type ozone generator of claim 8, wherein the high voltage detection module comprises a sampling resistor, a comparator module and a second photo-isolation module,
the sampling resistor is connected with the discharge chamber in series and is positioned on a grounding wire of the discharge chamber;
the comparator module can collect the voltage of the sampling resistor, can compare the voltage of the sampling resistor with a set voltage, can control the second photoelectric isolation module to be switched on or switched off, and is connected in series with the second photoelectric isolation module;
the single chip microcomputer can acquire the on or off information of the second photoelectric isolation module.
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