CN114892833A - Dehumidification method based on electroosmosis pulse - Google Patents
Dehumidification method based on electroosmosis pulse Download PDFInfo
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- CN114892833A CN114892833A CN202210543738.7A CN202210543738A CN114892833A CN 114892833 A CN114892833 A CN 114892833A CN 202210543738 A CN202210543738 A CN 202210543738A CN 114892833 A CN114892833 A CN 114892833A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7007—Drying or keeping dry, e.g. by air vents by using electricity, e.g. electro-osmosis
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The invention is suitable for the technical field of electroosmosis waterproofing, and provides a dehumidification method based on electroosmosis pulse, which comprises the following steps: anti-seepage and dehumidification; the pulse generating circuit outputs pulse current to the structural body through the pulse dehumidifying loop, and an electric field capable of enabling free water to migrate directionally is formed on the structural body; the pulse dehumidification loop comprises a cathode and an anode; the anode is arranged in the structure body to be dehumidified or on the inner side, and the cathode is arranged on the outer side of the structure body; the cycle of the electroosmotic pulse generated by the pulse generating circuit consists of a positive level segment, a negative level segment and a zero level segment; the corresponding time lengths of the positive level section, the negative level section and the zero level section are respectively ta, tb and tc; wherein, 1 < ta: tb < 3, tb: tc is greater than 1; the method utilizes the electroosmosis principle, combines pulse electricity, enables free water in the structure to directionally migrate under the action of an electric field, and can remove the free water in pores or on the surface in the structure.
Description
Technical Field
The invention relates to the technical field of electroosmosis waterproofing, in particular to a dehumidification method based on electroosmosis pulse.
Background
The electroosmosis waterproof technology belongs to concealed engineering, an anode is embedded in a concrete structure in advance, a cathode is embedded outside the concrete structure, pulse current is generated by an electroosmosis processor to act on the anode and the cathode, the anode and the cathode are electrified to generate current to form an electromagnetic field, the generated current ionizes water molecules in capillaries or pores through the anode and the cathode, the ionized water moves from the anode to the cathode, the moving force of the ionized water, namely the electromagnetic force generated inside and outside the structure, is stronger than the gravity of the water and the siphon force of the capillary structure, the water entering the capillaries is discharged to the outer side of the structure, and the wet structure is gradually dried. As long as the device remains open, the water moves in the wet direction all the time, and does not flow back to re-enter the inside of the structure.
However, in practical application, the water content in the concrete structure is not as low as possible, and if the water content of the concrete structure is too low, dehydration and cracking of the concrete structure may be caused; and the situation of the structure as the object to be dehumidified is different from place to place, and therefore cannot be considered in a lump. As shown in fig. 1, fig. 1 is a plan view of a room in which a positive electrode is buried inside and a negative electrode is buried outside, and the direction indicated by arrows is a moving direction of free water in walls under an electric field, but the water content of each of four walls of the room may be different, and problems may occur when the electro-osmosis technology is applied to the room. Because the water content inside the four walls is different, in the case that the water content inside the four walls is different greatly, outputting the same pulse current to the four walls may cause some walls to excessively dehydrate and crack, or cause some walls to have an insufficient electroosmosis effect and an insufficient water discharge.
Disclosure of Invention
The invention provides a dehumidification method based on electroosmotic pulse, and aims to solve the problems that the existing electroosmotic pulse anti-permeability dehumidification device has no capability of dynamically adjusting electroosmotic time and frequency of each part of a structure, and a mechanism for feeding back humidity of each part of the structure is lacked.
In order to realize the purpose, the invention adopts the following technical scheme to realize the purpose:
a dehumidification method based on electroosmotic pulses, comprising the steps of:
the method comprises the following steps: anti-seepage and dehumidification;
the pulse generating circuit outputs pulse current to the structural body through the pulse dehumidifying loop, and an electric field capable of enabling free water to migrate directionally is formed on the structural body; the pulse dehumidification loop comprises a cathode and an anode; the anode is arranged in the structure body to be dehumidified or on the inner side, and the cathode is arranged on the outer side of the structure body; the structure body can be a house, a mural, a sculpture, an earth dam and the like;
the cycle of the electroosmotic pulse generated by the pulse generating circuit consists of a positive level segment, a negative level segment and a zero level segment; the corresponding time lengths of the positive level section, the negative level section and the zero level section are respectively ta, tb and tc; wherein, 1 < ta: tb < 3, tb: tc > 1.
The pulse generating circuit is connected with the pulse dehumidifying loop and is used for loading the generated pulse current on the positive electrode and the negative electrode, so that an electric field capable of enabling free water to migrate directionally is formed on the structure body.
Further, the period T of the electroosmotic pulse ranges from 45ms to 750 ms.
Further, the voltage difference between the positive level segment and the negative level segment ranges from 24V to 240V.
Furthermore, the pulse dehumidification loop has N groups, N is a natural number and N is ≧ 2,
n positive electrodes are arranged on M sections in the structure body to be dehumidified or arranged on M sections on the inner side of the structure body, and N negative electrodes are arranged on M sections on the outer side of the structure body; n is not less than M, and M is a natural number; at least one group of pulse dehumidification loops are correspondingly arranged in any interval. Each section may refer to each wall of the house, or a multi-surface mural on the same wall, etc., and is not specifically limited herein;
further, the method also comprises the following steps;
step two: collecting information;
the information acquisition circuit collects current data of any positive port or current data of any negative port and sends the current data to the processing module; the higher the water content of a certain interval of the structure is, the larger the current in the pulse dehumidification loop is, so that the processing module can judge the water content of the interval of the structure according to the magnitude of the current;
step three: optimizing the instruction;
the processing module adjusts the frequency and the size of the pulse current according to the collected current data; for example, to prevent the electro-osmosis from being too strong, resulting in excessive dehydration and cracking of the structure.
Furthermore, each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and the relays are controlled by the processing module; and the processing module controls the relay to be opened or closed according to the current data.
Further, the step two includes a feedback protection step:
a feedback protection step:
each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and any relay is connected with a second processor;
the information acquisition circuit acquires current data and sends the current data to the processing module;
and the processing module controls the relay to be opened or closed according to the current data.
For example, when the system is used for dehumidifying a house, the cathode is a carbon rod which is buried in soil outside the house, if the current in a group of pulse dehumidifying loops is abnormally overlarge, the carbon rod can be connected with a protruding part of a reinforcing steel bar in a wall, which extends into the soil, and the second processor controls a relay in the group of pulse dehumidifying loops to be disconnected.
Further, the processing module comprises a first processor and a second processor, and the second processor is connected with the first processor through a communication circuit. The communication circuit is used as a bidirectional information conduction channel of the first processor and the second processor, is used for sending the current data to the first processor and is also used for conducting the control instruction of the first processor to the second processor;
the first processor is used for receiving the current data and adjusting the voltage and the frequency of the electroosmosis pulse in the pulse dehumidification loop;
the second processor is used for receiving the current data or the instruction of the first processor and controlling the on-off of the relay in the pulse dehumidification loop.
Furthermore, the processing module is connected with the internet of things module, and the internet of things module is connected with the network port circuit. A user can issue commands to the first processor and the second processor through the internet of things module, control the on-off of the pulse dehumidification loop and adjust the frequency and the size of the pulse current. If most of the relays are disconnected, the pulse generating circuit only loads a small part of pulse current, and then the free water in the intervals can be separated from the structural body more quickly.
The pulse dehumidification circuit is characterized by further comprising a protection component, wherein the protection component is connected with the pulse generation circuit and the pulse dehumidification loop;
the protection component is used for protecting the pulse dehumidification loop between the pulse generation circuit and the pulse dehumidification loop when the current value or the voltage value is larger than a set protection value. The protection component may be an overcurrent protection circuit or an overvoltage protection circuit.
The invention has the beneficial effects that:
1. the method utilizes the electroosmosis principle, combines pulse electricity, enables free water in the structure to directionally migrate under the action of an electric field, and can remove the free water in pores or on the surface in the structure.
The first processor generates a control instruction to drive the pulse generating circuit to operate, the pulse generating circuit generates an anode current according to the control instruction and sends the anode current to the anode, a cathode current is generated and sent to the cathode, and an electric field capable of enabling free water to migrate directionally is formed on the structure body; thereby, the water ions, the fine charged particles, and the like are driven to move from the positive electrode to the negative electrode, and the free water is discharged from the structure to be permeated.
2. The method carries out humidity feedback on all intervals of the structure by arranging a plurality of intervals on the structure, and can dynamically adjust the electroosmosis time and frequency of all the intervals of the structure;
the method comprises the steps that a plurality of intervals are arranged on a structural body, and at least one group of pulse dehumidification loops are correspondingly arranged in each interval, so that the first processor can independently and controllably perform electroosmosis on each interval of the structural body; the current data of any interval are tested and collected by arranging the information acquisition circuit and the communication circuit, so that the first processor can judge the water content of a certain interval of the structure body by receiving and comparing the current data; the higher the water content of a certain interval of the structure is, the larger the current in the group of pulse dehumidification loops is, so that the first processor can judge the water content of the structure in the interval according to the magnitude of the current so as to adjust the frequency and the magnitude of the pulse current and prevent the structure from being excessively dehydrated to cause dry cracking.
3. Each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and any relay is connected with a second processor; and the second processor controls the on-off of the relay in any interval according to the magnitude of the current. When the method is used for dehumidifying a house, the negative electrode is a carbon rod and is buried in soil outside the house; when the device is in a state that the power supply is started, all the pulse dehumidification loops are in a working state; if the current in one group of pulse dehumidification loops is abnormally too large, the carbon rod may be connected with the protruding part of the reinforcing steel bar in the wall extending into the soil, and the second processor judges to disconnect the relay in the group of pulse dehumidification loops corresponding to the interval after receiving and comparing. In addition, the second processor can disconnect most of the relays, so that the pulse generating circuit only loads a small part of pulse current, and free water in the intervals can be separated from the structural body more quickly.
4. The method saves the pin for the second processor by arranging the gating chip. For example, current data of 32 ports in total needs to be collected, the gating chip is sequentially connected to the measuring resistor of each port, and then the current data is measured by the operational amplifier and transmitted to the second processor, so that the pin positions of the second processor for receiving the electric signals are reduced.
In conclusion, the method utilizes the electroosmosis principle and combines pulse electricity to ensure that the free water in the structure body directionally migrates under the action of the electric field, so that the free water in the pores or on the surface in the structure body can be removed; by arranging a plurality of sections on the structure, the humidity feedback is carried out on each section of the structure, and the electroosmosis time and frequency of each section of the structure can be dynamically adjusted.
Drawings
FIG. 1 is a top view of the electro-osmosis technique described in the background art applied to dehumidifying a room;
FIG. 2 is a schematic diagram of an electroosmotic pulse waveform generator according to the present invention;
FIG. 3 is a schematic diagram of a first processor and peripheral circuitry;
FIG. 4 is a schematic diagram of a second processor and peripheral circuitry;
FIGS. 5-6 are schematic diagrams of a portion of a pulse dehumidification circuit;
FIGS. 7-8 are schematic diagrams of portions of a communication circuit;
fig. 9 to 10 are circuits of a gating chip and an operational amplifier connected thereto;
FIG. 11 is a diagram of a pulse waveform generated by an electroosmotic pulse waveform generator;
fig. 12-13 are schematic diagrams of an information acquisition circuit;
fig. 14 is a schematic diagram of an information acquisition circuit in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
(I) an electroosmotic pulse waveform generator
An electroosmotic pulse waveform generator for electroosmotic pulse permeation resistance and dehumidification, comprising a pulse generating circuit for generating electroosmotic pulses;
the period T of the electroosmosis pulse ranges from 45ms to 750 ms;
the cycle of each electroosmosis pulse consists of a positive level segment, a negative level segment and a zero level segment in sequence; the corresponding time lengths of the positive level segment, the negative level segment and the zero level segment are respectively ta, tb and tc, and in the figure, t0, t2 and t3 are rising edges, and t1 is falling edges; wherein, 1 < ta: tb < 3, tb: tc is greater than 1;
the voltage difference between the positive level section and the negative level section ranges from 24V to 240V.
Further, the electroosmosis pulse waveform generator is connected with N anodes and N cathodes;
n is a natural number and is not less than 2, N positive electrodes are arranged on M sections in the structure to be dehumidified or M sections in the structure, and N is not less than M; m is a natural number; the structure body can be a house, a mural, a sculpture, an earth dam and the like; each section may refer to each wall of the house, or a multi-surface mural on the same wall, etc., and is not specifically limited herein;
the number of the negative electrodes is N, and the N negative electrodes are arranged on M sections on the outer side of the structure; a group of pulse dehumidification loops are formed by a positive electrode and a negative electrode; at least one group of pulse dehumidification loops are correspondingly arranged in any interval; in this embodiment, the P1-P16 represent that 16 groups of pulse dehumidification loops are provided.
The electroosmosis pulse waveform generator comprises a processing module, wherein the processing module is connected with a pulse generating circuit and is used for generating a control instruction to drive the pulse generating circuit to operate; and further for receiving the current data to optimize the control instructions; IN this embodiment, the processing module includes a first processor, which is a main control chip U18, and its pins OSC32-OUT and OSC32_ IN are connected to the pulse generating circuit, and the main control chip U18 controls the frequency and the positive and negative pulse wavelengths of the pulse generating circuit through software.
The pulse generating circuit is connected with the pulse dehumidifying loop and is used for loading the generated pulse current on the positive electrode and the negative electrode so as to form an electric field capable of enabling free water to directionally migrate on the structure body; the pulse generating circuit comprises a pulse driving circuit and a pulse generator; the pulse generator comprises a generating circuit, a pulse amplifying circuit and an overcurrent protection circuit, wherein the pulse amplifying circuit is used for amplifying a pulse signal to obtain a pulse electric signal.
The device also comprises a rectifying circuit, wherein the rectifying circuit is used for converting alternating-current voltage provided by a power supply into direct-current working voltage for the electroosmosis pulse anti-permeability dehumidification device to work. The rectification circuit converts the alternating voltage of the power supply into ultra-low voltage direct current.
The device utilizes the electroosmosis principle, combines pulse current, enables free water in the structure to directionally migrate under the action of an electric field, and can remove the free water in the pores or on the surface in the structure.
The system further comprises an information acquisition circuit connected with the processing module, wherein the information acquisition circuit is used for collecting current data of any positive electrode port or current data of any negative electrode port to send to the first processor; the first processor receives the current data to optimize the control instructions.
The device is characterized in that a plurality of intervals are arranged on the structure body, and each interval is correspondingly provided with at least one group of pulse dehumidification loops, so that the processing module can independently and controllably electroosmosis each interval of the structure body; the current data of any interval are tested and collected by arranging the information acquisition circuit and the communication circuit, so that the processing module can judge the water content of a certain interval of the structure body by receiving and comparing the current data; the higher the water content of a certain interval of the structure is, the larger the current in the pulse dehumidification loop group is, so that the processing module can judge the water content of the structure in the interval according to the magnitude of the current so as to adjust the frequency and the magnitude of the pulse current and prevent the structure from being excessively dehydrated to cause dry cracking.
Furthermore, each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and any relay is connected and controlled by the processing module. And the processing module controls the on-off of the relay in any interval according to the magnitude of the current. When the device is used for dehumidifying a house, the negative electrode is a carbon rod and is buried in soil outside the house; when the device is in a state that the power supply is started, all the pulse dehumidification loops are in a working state; if the current in a group of pulse dehumidification loops is excessively large, the carbon rod may be connected with the protruding part of the reinforcing steel bar in the wall extending into the soil, and the processing module judges to disconnect the relay in the group of pulse dehumidification loops corresponding to the interval after receiving and comparing. The processing module may be an 89C51 single chip processor, etc., as long as it can compare the power supply information values and send the control command, which is not limited herein. In this embodiment, pins K01N to K32N of the chip of the second processor are respectively connected to the bases of transistors Q1 to Q32, and the on/off of relays K1 to K32 is controlled by a triode.
Furthermore, the electroosmosis pulse waveform generator is provided with N pulse dehumidification loops, and the information acquisition circuit comprises 2N measuring resistors, a first gating chip and a second gating chip;
2N measuring resistors are respectively and correspondingly connected in series at the positive electrode and the negative electrode of the N pulse dehumidification loops; the two ends of the measuring resistor are respectively a first sampling end and a second sampling end;
the first sampling ends of the 2N measuring resistors are correspondingly connected with 2N input ends of a first gating chip, and the output end of the first gating chip is also connected with the non-inverting input end of an operational amplifier;
second sampling ends of the 2N measuring resistors are correspondingly connected with 2N input ends of a second gating chip, and an output end of the second gating chip is also connected with an inverting input end of the operational amplifier;
the operational amplifier is connected into a differential amplifier mode;
the output end of the operational amplifier is also connected with an ADC port of the processing module;
during data acquisition, the ith channel of the first gating chip and the ith channel of the second gating chip are gated simultaneously, i is 1, 2, … … and 2N, and the measuring resistors in each group of pulse dehumidification loops are connected into the information acquisition circuit in sequence.
The gating chip is used for saving pins for the second processor. In this embodiment, 4 groups of strobe chips (only one group is shown in the figure) are provided, wherein one group of chips includes a U5 chip and a U2 chip.
As shown in fig. 12 and 13, P1 and N1 represent the positive electrode and the negative electrode of the same group of pulse dehumidifying loops, respectively, when the device is used for dehumidifying a wall, P1 may be a copper wire embedded in the wall, and N1 may be a carbon rod outside the wall;
taking the current data acquisition at P1 as an example, U2 is the first gating chip and U5 is the second gating chip. U5 is gated synchronously with U2, one end of U5 is gated with a first sampling end of a resistor R1, one end of U2 is gated with a second sampling end of a resistor R1, U2 and U5 are also respectively connected with two input ends of an operational amplifier U1, and the output end of the operational amplifier U1 is connected with a second processor U18;
the second processor U18 controls the relay K1 to be closed, at the moment, the group of pulse dehumidification loops start to work, and current passes through the resistor R1; u2 and U5 are synchronously gated to access the first sampling end and the second sampling end of the R1; the operational amplifier U1 compares the potential difference across the resistor R1; divided by the resistance of R1 to obtain the current data at P1.
As shown in the figure, the pin ADC1N of the U5 chip is connected with the inverting input end of the operational amplifier, the pin ADC1GND of the U2 chip is connected with the non-inverting input end of the operational amplifier, and the operational amplifier is connected with the pin DLADCP1 of the second processor chip.
In other embodiments, as shown in fig. 14, the information acquisition circuit comprises a gating chip and a measuring resistor Rx;
the negative electrodes of the N pulse dehumidification loops are correspondingly connected with N input ends of the gating chip, and the output end of the gating chip is grounded through a measuring resistor RX; the output end of the gating chip is also connected with an ADC (analog-to-digital) end (namely an A/D conversion interface) of the controller (processor);
as shown in fig. 14, the gated chip has only one u 2; gating the cathodes N1-Nn by the gating chip; taking the current measurement at N1 as an example, U2 gates a sampling point at N1, so that N1 is connected to resistor RX in an abutting mode, and the voltage at resistor RX is measured and divided by the resistance value of resistor RX to obtain the current in N1 loop.
The pulse dehumidification circuit is characterized by further comprising a protection circuit, wherein the protection circuit is connected with the pulse generation circuit and the pulse dehumidification circuit;
the protection circuit is used for protecting the pulse dehumidification loop between the pulse generation circuit and the pulse dehumidification loop when the current value or the voltage value is larger than a set protection value. The protection circuit may be an overcurrent protection circuit or an overvoltage protection circuit.
Further, the processing module comprises a first processor and a second processor, and the first processor and the second processor are connected through a communication circuit; the communication circuit is used as a bidirectional information conduction channel of the first processor and the second processor, is used for sending the current data to the first processor and is also used for conducting the control instruction of the first processor to the second processor;
the first processor is used for receiving the current data and adjusting the voltage and the frequency of the electroosmosis pulse in the pulse dehumidification loop;
the second processor is used for receiving the current data or the instruction of the first processor and controlling the on-off of the relay in the pulse dehumidification loop.
Furthermore, the information acquisition circuit is connected with a second processor, and the second processor is connected with the first processor through a communication circuit. The communication circuit serves as a bidirectional information conduction channel between the first processor and the second processor, is used for sending the current data to the first processor and is also used for conducting control instructions of the first processor to the second processor.
The communication circuit comprises communication chips U14 and U28, a CAN _ RX pin and a CAN _ TX pin of the second processor chip are respectively connected with a VOA pin and a VIB pin of the chip U14, a VIA pin and a VOB pin of the chip U14 are respectively connected with a TXD pin and an RXD pin of the chip U28, and the communication circuit is connected with an MCXH pin of the main control chip U18.
Furthermore, the first processor is connected with an internet of things module, and the internet of things module is connected with a network port circuit. The user can issue a command to the first processor through the network to control the on-off of the pulse dehumidification loop and adjust the frequency and the magnitude of the pulse current. If most of the relays are disconnected, the pulse generating circuit only loads a small part of pulse current, and then the free water in the intervals can be separated from the structural body more quickly.
(II) dehumidification method based on electroosmotic pulse
A dehumidification method based on electroosmosis pulse, which uses an electroosmosis pulse waveform generator to perform anti-permeability dehumidification, comprises the following steps:
the method comprises the following steps: anti-seepage and dehumidification;
the pulse generating circuit outputs pulse current to the structural body through the pulse dehumidifying loop, and an electric field capable of enabling free water to migrate directionally is formed on the structural body; the pulse dehumidification loop comprises a cathode and an anode; the anode is arranged in the structure body to be dehumidified or on the inner side, and the cathode is arranged on the outer side of the structure body; the structure body can be a house, a mural, a sculpture, an earth dam and the like;
the pulse generation circuit is connected with the pulse dehumidification loop and is used for loading the generated pulse current on the positive electrode and the negative electrode, so that an electric field capable of enabling the free water to migrate directionally is formed on the structure body;
step two: collecting information;
the information acquisition circuit collects current data of any positive port or current data of any negative port and sends the current data to the first processor; the higher the water content of a certain interval of the structure is, the larger the current in the group of pulse dehumidification loops is, so that the first processor can judge the water content of the interval of the structure according to the magnitude of the current;
step three: optimizing the instruction;
the first processor adjusts the frequency and the size of the pulse current according to the collected current data; for example, prevent the electric permeability from being too strong, so that the structure is dehydrated excessively and then is dried and cracked;
the second step comprises a feedback protection step:
a feedback protection step:
each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and any relay is connected with a second processor;
and sending to the second processor;
the second processor controls the relay to be opened or closed according to the current data.
For example, when the system is used for dehumidifying a house, the cathode is a carbon rod which is buried in soil outside the house, if the current in a group of pulse dehumidifying loops is abnormally overlarge, the carbon rod can be connected with a protruding part of a reinforcing steel bar in a wall, which extends into the soil, and the second processor controls a relay in the group of pulse dehumidifying loops to be disconnected.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A dehumidification method based on electroosmotic pulses, comprising the steps of: the method comprises the following steps: anti-permeability and dehumidification;
the pulse generating circuit outputs pulse current to the structural body through the pulse dehumidifying loop, and an electric field capable of enabling free water to migrate directionally is formed on the structural body; the pulse dehumidification loop comprises a cathode and an anode; the anode is arranged inside or on the inner side of the structure body to be dehumidified, and the cathode is arranged on the outer side of the structure body;
the cycle of the electroosmotic pulse generated by the pulse generating circuit consists of a positive level segment, a negative level segment and a zero level segment; the corresponding time lengths of the positive level section, the negative level section and the zero level section are respectively ta, tb and tc; wherein, 1 < ta: tb < 3, tb: tc > 1.
2. The method of claim 1, wherein the electroosmotic pulse has a period T in the range of 45ms to 750 ms.
3. The method of claim 1, wherein the voltage difference between the positive and negative voltage levels is in the range of 24V to 240V.
4. The method of claim 1, wherein the pulsed dehumidification circuit has N groups, N is a natural number and N ≧ 2,
n positive electrodes are arranged on M sections in the structure body to be dehumidified or arranged on M sections on the inner side of the structure body, and N negative electrodes are arranged on M sections on the outer side of the structure body; n is not less than M, and M is a natural number; at least one group of pulse dehumidification loops are correspondingly arranged in any interval.
5. The electroosmotic pulse based dehumidification method according to claim 4, further comprising the steps of;
step two: collecting information;
the information acquisition circuit collects current data of any positive port or current data of any negative port and sends the current data to the processing module;
step three: optimizing the instruction;
the processing module adjusts the frequency and the size of the pulse current according to the collected current data.
6. The dehumidification method based on electroosmotic pulse as claimed in claim 5, wherein each set of said pulse dehumidification loop is provided with a relay for controlling on and off thereof, and said relays are controlled by the processing module.
7. The electroosmotic pulse based dehumidification method according to claim 6, comprising a feedback protection step in step two:
a feedback protection step:
each group of pulse dehumidification loops is provided with a relay for controlling the on-off of the pulse dehumidification loops, and any relay is controlled by a processing module;
the information acquisition circuit acquires current data and sends the current data to the processing module;
and the processing module controls the relay to be opened or closed according to the current data.
8. The electroosmotic pulse-based dehumidification method according to claim 5, wherein the processing module comprises a first processor and a second processor, the second processor and the first processor being connected by a communication circuit;
the first processor is used for receiving the current data and adjusting the voltage and the frequency of the electroosmosis pulse in the pulse dehumidification loop;
the second processor is used for receiving the current data or the instruction of the first processor and controlling the on-off of the relay in the pulse dehumidification loop.
9. The electroosmotic pulse-based dehumidification method according to claim 6, wherein the processing module is connected to an Internet of things module, and the Internet of things module is connected to the network port circuit.
10. The method of claim 5, further comprising a protection component coupled to the pulse generation circuit and the pulse dehumidification loop.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306314A (en) * | 2012-03-14 | 2013-09-18 | 北京工业大学 | Electroosmotic pulse moisture-removing and seepage-preventing monitor |
| CN111075034A (en) * | 2018-10-19 | 2020-04-28 | 沈阳国建精材科技发展有限公司 | Electroosmosis multi-wave pulse anti-seepage dehumidification system |
| CN111139942A (en) * | 2020-01-14 | 2020-05-12 | 长沙同强电子科技有限公司 | Dehumidification system and dehumidification method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306314A (en) * | 2012-03-14 | 2013-09-18 | 北京工业大学 | Electroosmotic pulse moisture-removing and seepage-preventing monitor |
| CN111075034A (en) * | 2018-10-19 | 2020-04-28 | 沈阳国建精材科技发展有限公司 | Electroosmosis multi-wave pulse anti-seepage dehumidification system |
| CN111139942A (en) * | 2020-01-14 | 2020-05-12 | 长沙同强电子科技有限公司 | Dehumidification system and dehumidification method thereof |
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