CN115326678A - Building outer wall and window edge water seepage testing device for project supervision and control method - Google Patents
Building outer wall and window edge water seepage testing device for project supervision and control method Download PDFInfo
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- 239000007921 spray Substances 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
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- 238000001764 infiltration Methods 0.000 claims description 4
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- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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Abstract
The invention discloses a building outer wall and window edge water seepage testing device for engineering supervision and a control method, and aims to provide a building outer wall and window edge water seepage testing device for engineering supervision, which is provided with an air pressure control mechanism, has strong stability, can simulate a high water pressure environment and form a water seepage test under the condition of high water pressure impact.
Description
Technical Field
The invention relates to the technical field of water seepage tests for project supervision, in particular to a device for testing water seepage of an outer wall and a window edge of a building for project supervision and a control method.
Background
After the building construction is completed, the building needs to be checked and accepted by engineering supervision, a plurality of performance tests of the building need to be developed in the checking and accepting process, water seepage tests of the wall surface and the window edge of the building are included in the various performance tests, if the water seepage tests of the wall surface and the window edge of the building are not carried out, water seepage to the interior of a wall surface possibly occurs due to quality reasons under heavy rainfall weather, and property loss of an owner is caused, so that the water seepage tests of the wall surface and the window edge are very necessary.
At present, on the market, an engineering is managed with building outer wall and window limit infiltration testing arrangement (the patent number is CN 109406057B), it includes the mount, removes the frame and connects the spray pipe on removing the frame, and the spray pipe passes through the hose and is connected with water supply installation, the mount includes dead lever, lower dead lever and connects the side connecting rod at dead lever and lower dead lever both ends, goes up the dead lever and all is fixed with the sucking disc with lower dead lever both ends, the both ends of going up dead lever and lower dead lever all are equipped with the chamber of breathing in with the sucking disc intercommunication. The water seepage testing device mainly aims at solving the problem of how to normally use the device on a high-rise building and improving the safety, but the water seepage testing device is discovered when being used, because the water pressure problem is usually not considered in the traditional water seepage testing, in order to improve the water seepage testing strength, the water seepage testing device needs to be carried out under different water pressures to simulate typhoon days or other extremely severe weather, so the water seepage testing device has poor practicability and cannot take various conditions into consideration, and when the water pressure is strengthened, the staged pressure control and the stability are all the problems existing at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the building outer wall and window edge water seepage testing device which is provided with the air pressure control mechanism, has strong stability, can simulate a high water pressure environment and form a water seepage test under the high water pressure impact condition.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an engineering is managed with building outer wall and window limit infiltration testing arrangement, includes the mount, removes the frame and connects the spray pipe on removing the frame, and the spray pipe passes through the hose and is connected with water supply installation, the mount includes dead lever, lower dead lever and connects the side connecting rod at last dead lever and lower dead lever both ends, goes up the dead lever and all is fixed with the sucking disc with lower dead lever both ends, the both ends of going up dead lever and lower dead lever all are equipped with the chamber of breathing in with the sucking disc intercommunication, water supply installation still are connected with air pressure control mechanism, this air pressure control mechanism including set up water storage cavity, the air compressor machine on removing the frame, set up the compression cavity between air compressor machine and water storage cavity, be used for the intercommunication or block external atmosphere and release or block the interior compressed gas's of compression cavity electromagnetism trigger switch and be used for adjusting the adjustment mechanism of compression cavity pressure.
The invention is further configured to: the adjusting mechanism comprises a pressure sensor for detecting the air pressure in each compression chamber, a water level sensor arranged at the water level in the water storage chamber, and a controller electrically connected with the pressure sensor and the water level sensor and used for controlling the starting and stopping of the air compressor.
The invention is further configured to: be equipped with the first check valve that is used for admitting air to the compression cavity one-way between air compressor machine and the compression cavity, the output of water storage cavity is equipped with the second check valve that is used for the one-way play water of water storage cavity, be equipped with the solenoid valve between compression cavity and the water storage cavity, this solenoid valve and controller electric connection.
By adopting the technical scheme and the beneficial effects, 1, the water supply device is connected with the air pressure control mechanism, so that the pressure part is increased during water seepage testing, the testing effect of the water seepage testing is improved, the step of forming large water pressure detection during the water seepage testing is increased due to the intervention of pressure, the practicability of the testing is increased, whether the outer wall or the window edge has a good anti-seepage effect under large water pressure or not is determined, a good testing effect is formed in a typhoon day or extremely severe weather, the practicability is high, and the structure is simple;
2. and this application is through the adjustment mechanism who sets up, through pressure sensor to the pressure sensor in the compression cavity, realizes the real-time detection to the air pressure in the compression cavity, ensures to keep at stable pressure value in the compression cavity, cooperates level sensor moreover, reaches predetermined water level value, has increased holistic water spray effect, and the practicality is strong, simple structure.
A control method suitable for the building outer wall and window edge water seepage testing device for project supervision also comprises a controller, wherein the controller comprises a pressure comparison unit electrically connected with each pressure sensor and used for setting preset target values in each compression chamber, for example, the pressure value of normal water spraying is P1, the maximum air pressure in the compression chamber is P2, when the air compressor is closed, the balance air pressure value required to be maintained by the compression chamber is P3, and the balance air pressure value is compared with the real-time pressure value detected by the pressure sensor; the water level comparison unit is electrically connected with each water level sensor and is used for setting a preset target value in each water storage cavity to be H1 and comparing the preset target value with a water level value detected by the water level sensor; the timing unit is used for timing when the air pressure value in the compression chamber is at the target position; the control unit is used for controlling the air pressure output to the compression chamber or stopping the air pressure output and controlling the on-off of the electromagnetic valve; the specific control method comprises the following steps of S1: before starting the air compressor, detecting the current air pressure in each compression chamber as P0 by a pressure sensor, and detecting the current water level of each water storage chamber as H0 by a water level sensor, if P0 is more than or equal to P1 and H0 is more than or equal to H1, starting the air compressor and increasing the water level are not needed, and waiting for a subsequent pressure control operation instruction; otherwise, if P0 is less than P1 and H0 is less than H1, outputting a control instruction through the controller, starting the air compressor according to the control instruction, monitoring the air pressure in the compression cavity in real time to reach a specified P1 pressure value, and increasing the water yield in the water storage cavity to H1;
s2, a monitoring stage: when the condition that an air compressor of a compression chamber is in an increased air pressure state is detected, acquiring an air pressure value P of the compression chamber in real time through an air pressure sensor, and judging whether a first air pressure value is larger than a first preset target value P1 or not;
if P is larger than a preset target value P1, controlling the working state of an air compressor of a compression chamber according to a preset rule so as to control the air pressure value of the compression chamber within the first preset target value, wherein the preset rule comprises suspending the air compressor and/or enabling the air compressor to intermittently increase or decrease the air pressure at preset time intervals;
s3, pressurizing: if the first air pressure value is larger than the first preset target value, the working state of an air compressor of a compression chamber is controlled through a controller so as to control the air pressure value of the compression chamber within the second preset target value, and the specific steps are as follows,
s31, judging whether the first air pressure value is smaller than a second preset target value or not after judging that the first air pressure value is larger than the first preset target value;
s32, if the first air pressure value is smaller than the second preset target value, controlling an air compressor of the compression chamber to continuously increase air pressure according to a preset time interval so as to increase the air pressure value of the compression chamber, continuously working for t1 time, detecting that the current air pressure value is Pt1, judging whether the Pt1 is between P1 and P2, if so, maintaining the pressurization frequency, and if not, continuously increasing the pressurization frequency;
s33, if the first air pressure value is larger than the second preset target value, the pressurization frequency needs to be reduced, the adjustment time is t2, the air pressure in the compression chamber is recorded within the time period of t2, and if the Pt2 is larger than the P2 in the time period of t2, the fault of the air compressor is judged, and the air compressor stops working;
s34, if the first air pressure value is larger than the first preset target value and smaller than a second preset target value, controlling an air compressor of the compression chamber to intermittently increase or decrease air pressure according to a third preset time interval, recording the air pressure in the compression chamber within a time period t3, and if Pt3 is between P1 and P2 within the time period t3, maintaining the control air pressure frequency of the air compressor, wherein the first preset target value is smaller than the second preset target value;
s4, closing: after the time period of t4, after the air compressor is turned off, detecting that the air pressure value in the current compression chamber is Pt4, judging whether the value of Pt4 is larger than or equal to P3, if the value of Pt4 is smaller than P3, controlling the air compressor to perform pressurization operation, and turning off the air compressor of the compression chamber when the air pressure value of the compression chamber is detected to reach a third preset target value so as to adjust the air pressure of the compression chamber to the third preset target value; otherwise, it is not needed.
The invention is further configured to: the water storage cavity input still is equipped with the flow inductor, and control method still includes water level monitoring step, and concrete monitoring step is as follows, through the water level condition in the water level detector real-time supervision water storage cavity, set for the early warning water level and be H2, if real-time supervision's water level H0 is less than H2, then need carry out the water level replenishment to the water storage cavity through the water pump, if the flow inductor monitors that the water pump output reduces, then need carry out early warning in advance, remind the output not enough, need take measures in advance.
The invention is further configured to: the compression chamber of the air pressure control mechanism is provided with an indicator light, and the air pressure control method of the air pressure control mechanism further comprises the following steps: when the air compressor of the compression chamber is detected to be in an air pressure increasing or reducing state, the indicator light of the compression chamber is controlled to be turned on or flickered to remind a user that the compression chamber is performing air pressure increasing or reducing operation.
By adopting the technical scheme, the control method has the advantages that the pressure value of normal water spraying is set to be P1, the maximum air pressure in the compression cavity is P2, the balanced air pressure value to be maintained by the compression cavity is P3 when the air compressor is turned off, the preset target value in each water storage cavity is set to be H1, the pressure value in the compression cavity is divided into the normal water spraying value, the maximum pressure value and the balanced pressure value, the pressure value in the compression cavity is ensured to be always kept between the P1-P2 values, the punching rhythm of the air compressor can be realized through the controller, the stability of the air pressure value in the compression cavity is ensured, and the stability in water spraying is realized;
simultaneously, this application is through the flow inductor that sets up, water level monitoring step, concrete monitoring step is as follows, through the water level condition in the water level detector real-time supervision water storage cavity, it is H2 to set for the early warning water level, if real-time supervision's water level H0 is less than H2, then need carry out the water level replenishment to the water storage cavity through the water pump, if flow inductor monitors the water pump working capacity and reduces, then need carry out early warning in advance, it is not enough to remind the working capacity, need take measures in advance, the supply of having ensured that the water yield can last, realize good water spray effect, therefore, the clothes hanger is strong in practicability, and is simple in structure.
Drawings
FIG. 1 is a schematic view of a part of a structure of an embodiment of a device for testing water seepage of an outer wall and a window edge of a building for project supervision and a control method thereof.
FIG. 2 is a schematic structural diagram of a water spraying operation principle in an embodiment of a device for testing water seepage of an outer wall and a window edge of a building for project supervision and a control method thereof.
FIG. 3 is a flowchart of an embodiment of a water seepage testing apparatus for an outer wall and a window edge of a building for project supervision and a control method thereof shown in FIG. 1.
FIG. 4 is a control flow chart 2 of an embodiment of the water seepage testing device for the outer wall and the window edge of the building for project supervision and the control method thereof.
Reference numeral in the figure, 1, a movable frame; 10. a water spray pipe; 2. a water supply device; 30. a water storage chamber; 31. an air compressor; 310. a compression chamber; 311. an electromagnetic trigger switch; 312. a pressure sensor; 313. a water level sensor; 314. and a controller.
Detailed Description
Referring to fig. 1 to 4, embodiments of the device for testing water seepage of the outer wall and the window edge of the building for project supervision and the control method thereof will be further described.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
A water seepage testing device for an outer wall and a window edge of a building for project supervision comprises a fixed frame, a movable frame 1 and a water spray pipe 10 connected on the movable frame 1, wherein the water spray pipe 10 is connected with a water supply device 2 through a hose, the fixed frame comprises an upper fixed rod, a lower fixed rod and a side connecting rod connected with two ends of the upper fixed rod and the lower fixed rod, two ends of the upper fixed rod and the lower fixed rod are respectively fixed with a sucker, two ends of the upper fixed rod and the lower fixed rod are respectively provided with a suction cavity communicated with the sucker, the water supply device 2 is also connected with a pneumatic control mechanism, the air pressure control mechanism comprises a water storage chamber 30, an air compressor 31, a compression chamber 310, an electromagnetic trigger switch 311 and an adjusting mechanism, wherein the water storage chamber 30 is arranged on a movable frame 1, the compression chamber 310 is arranged between the air compressor 31 and the water storage chamber 30, the electromagnetic trigger switch 311 is used for communicating or blocking external atmosphere and releasing or blocking compressed air in the compression chamber 310, and the adjusting mechanism is used for adjusting the pressure of the compression chamber 310;
when needing to notice, this application does not adopt high pressure water pump's mode because high pressure water pump can not control the water yield, and is bigger to the requirement of water yield moreover, and adopts the mode of atmospheric pressure, can reach the effect of accuse pressure accuse volume, in the water economy resource, also can ensure the practicality of infiltration test, and the practicality is strong, simple structure.
The invention is further arranged that the adjusting mechanism comprises a pressure sensor 312 for detecting the air pressure in each compression chamber 310, a water level sensor 313 arranged in the water storage chamber 30 and a controller 314 electrically connected with the pressure sensor 312 and the water level sensor 313 and used for controlling the start and stop of the air compressor 31, and the adjusting mechanism is arranged to realize the real-time detection of the air pressure in the compression chamber 310 through the pressure sensor 312 to the pressure sensor 312 in the compression chamber 310, so that the stable pressure value in the compression chamber 310 can be ensured, and the preset water level value is reached by matching with the water level sensor 313, thereby increasing the overall water spraying effect, and the invention has strong practicability and simple structure.
The invention is further arranged in such a way that a first one-way valve for one-way air inlet to the compression chamber 310 is arranged between the air compressor 31 and the compression chamber 310, a second one-way valve for one-way water outlet of the water storage chamber 30 is arranged at the output end of the water storage chamber 30, and an electromagnetic valve is arranged between the compression chamber 310 and the water storage chamber 30 and electrically connected with the controller 314.
A control method suitable for the building outer wall and window edge water seepage testing device for project supervision further comprises a controller 314, wherein the controller 314 comprises a pressure comparison unit electrically connected with each pressure sensor 312 and used for setting preset target values in each compression chamber 310, for example, the pressure value of normal water spraying is P1, the maximum air pressure in the compression chamber 310 is P2, when the air compressor 31 is closed, the balance air pressure value required to be maintained by the compression chamber 310 is P3, and the balance air pressure value is compared with the real-time pressure value detected by the pressure sensor 312; a water level comparing unit electrically connected to each water level sensor 313, for setting a preset target value H1 in each water storage chamber 30, and comparing the preset target value with the water level value detected by the water level sensor 313; a timing unit for timing when the air pressure value in the compression chamber 310 is at the target position; a control unit for controlling the output of air pressure to the compression chamber 310 or stopping the output of air pressure and controlling the on/off of the solenoid valve; the specific control method comprises the following steps of S1: before starting the air compressor 31, the pressure sensor 312 detects that the current air pressure in each compression chamber 310 is P0, and the water level sensor 313 detects that the current water level of each water storage chamber 30 is H0, if P0 is not less than P1, and H0 is not less than H1, the air compressor 31 does not need to be started; on the contrary, if P0 is less than P1 and H0 is less than H1, outputting a control command through the controller 314, starting the air compressor 31 according to the control command, monitoring the air pressure in the compression chamber 310 in real time, and increasing the water yield in the water storage chamber 30 to H1;
s2, a monitoring stage: when the air compressor 31 of the compression chamber 310 is detected to be in an increased air pressure state, acquiring an air pressure value P of the compression chamber 310 in real time through the air pressure sensor, and judging whether the first air pressure value is larger than a first preset target value P1;
if P is greater than a preset target value P1, controlling the working state of the air compressor 31 of the compression chamber 310 according to a preset rule to control the air pressure value of the compression chamber 310 within the first preset target value, wherein the preset rule includes suspending the air compressor 31 and/or allowing the air compressor 31 to intermittently increase or decrease the air pressure at preset time intervals;
s3, pressurizing: if the first air pressure value is greater than the first preset target value, the controller 314 controls the operating state of the air compressor 31 of the compression chamber 310 to control the air pressure value of the compression chamber 310 within the second preset target value, which includes the following steps,
s31, judging whether the first air pressure value is smaller than a second preset target value or not after judging that the first air pressure value is larger than the first preset target value;
s32, if the first air pressure value is smaller than the second preset target value, controlling the air compressor 31 of the compression chamber 310 to continuously increase air pressure according to a preset time interval so as to increase the air pressure value of the compression chamber 310, after the air compressor continuously works for t1 time, detecting that the current air pressure value is Pt1, judging whether the Pt1 is between P1 and P2, if so, maintaining the pressurization frequency, and if not, continuously increasing the pressurization frequency;
s33, if the first air pressure value is larger than the second preset target value, the pressurization frequency needs to be reduced, the adjustment time is t2, the air pressure in the compression chamber 310 is recorded within the time period of t2, and if the Pt2 is larger than the P2 in the time period of t2, the fault of the air compressor 31 is judged, and the air compressor 31 stops working;
s34, if the first air pressure value is greater than the first preset target value and less than a second preset target value, controlling the air compressor 31 of the compression chamber 310 to intermittently increase or decrease the air pressure according to a third preset time interval, and recording the air pressure in the compression chamber 310 within a time period t3, if Pt3 is between P1 and P2 within the time period t3, maintaining a frequency of the control air pressure of the air compressor 31, where the first preset target value is less than the second preset target value;
in step 3 of this embodiment, by using P1 and P2 as detection standards, in the pressurization process, the overproof pressurization is avoided, and by detecting the pressure in real time and introducing the timing unit, it is ensured that the air compressor 31 is always between the P1 value and the P2 value in the use process, so that the safety factor is greatly improved, the practicability is high, the structure is simple, and meanwhile, a guarantee is provided for increasing the number of operations at high altitude.
S4, closing: after a time period of t4, after the air compressor 31 is turned off, detecting that the air pressure value in the compression chamber 310 is Pt4, judging whether the value of Pt4 is greater than P3, if Pt4 is smaller than P3, controlling the air compressor 31 to perform pressurization operation, and when the air pressure value in the compression chamber 310 is detected to reach a third preset target value, turning off the air compressor 31 in the compression chamber 310 to adjust the air pressure in the compression chamber 310 to the third preset target value; otherwise, it is not needed.
The invention is further configured to: the input end of the water storage cavity 30 is further provided with a flow sensor, the control method further comprises a water level monitoring step, the specific monitoring step is as follows, the water level condition in the water storage cavity 30 is monitored in real time through a water level detector, the early warning water level is set to be H2, if the water level H0 monitored in real time is lower than H2, water level supplement is needed to be carried out on the water storage cavity 30 through a water pump, if the flow sensor monitors that the water supply amount of the water pump is reduced, early warning is needed to be carried out in advance, the shortage of the water supply amount is reminded, and measures need to be taken in advance.
The invention is further configured to: the compression chamber 310 of the air pressure control mechanism is provided with an indicator light, and the air pressure control method of the air pressure control mechanism further comprises the following steps: when the air compressor 31 of the compression chamber 310 is detected to be in the state of increasing or decreasing the air pressure, the indicator light of the compression chamber 310 is controlled to be turned on or flash to remind the user that the compression chamber 310 is performing the operation of increasing or decreasing the air pressure.
By adopting the technical scheme, the control method has the advantages that the pressure value of normal water spraying is set to be P1, the maximum air pressure in the compression chamber 310 is P2, the balanced air pressure value required to be maintained by the compression chamber 310 is P3 when the air compressor 31 is closed, the preset target value in each water storage chamber 30 is set to be H1, the pressure value in the compression chamber 310 is divided into the normal water spraying value, the maximum pressure value and the balanced pressure value, the pressure value in the compression chamber 310 is ensured to be always kept between the P1 value and the P2 value, the punching rhythm of the air compressor 31 can be carried out through the controller 314, the stability of the air pressure value in the compression chamber 310 is ensured, and the stability during water spraying is realized;
in the embodiment of the present invention, a timing unit is further added, and by recording the time within the range of the pressure value of the compression chamber 310, the pressurization frequency can be controlled by the controller 314, and the air pressure in the compression chamber 310 is ensured to be continuously maintained within the range of the pressure values from P1 to P2, so that good stability is formed, the practicability is strong, the structure is simple, and by adding the timing unit, the practical safety is also increased, the practicability is strong, and the structure is simple.
Simultaneously, this application is through the flow inductor who sets up, water level monitoring step, concrete monitoring step is as follows, through the water level condition in the water level detector real-time supervision water storage cavity 30, it is H2 to set for the early warning water level, if real-time supervision's water level H0 is less than H2, then need carry out the water level replenishment to water storage cavity 30 through the water pump, if flow inductor monitors the water pump working capacity and reduces, then need carry out early warning in advance, it is not enough to remind the working capacity, need take measures in advance, the supply of the water yield can last has been ensured, realize good water spray effect, therefore, the clothes hanger is strong in practicability, and is simple in structure.
The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (6)
1. The utility model provides an engineering is managed with building outer wall and window limit infiltration testing arrangement, includes the mount, removes frame (1) and connects spray pipe (10) on removing frame (1), spray pipe (10) are connected with water supply installation (2) through the hose, the mount includes dead lever, lower dead lever and the side connecting rod of connecting dead lever and lower dead lever both ends, goes up the dead lever and all is fixed with the sucking disc with dead lever both ends down, the both ends of going up dead lever and lower dead lever all are equipped with the chamber of breathing in with the sucking disc intercommunication, a serial communication port, water supply installation (2) still are connected with pneumatic control mechanism, and this pneumatic control mechanism is including setting up in water storage cavity (30), air compressor machine (31) on removing frame (1), setting up compression cavity (310) between air compressor machine (31) and water storage cavity (30), be used for the intercommunication or block external atmosphere and release or block the interior compressed gas's of compression cavity (310) electromagnetism trigger switch (311) and be used for adjusting the adjustment mechanism of compression cavity (310) pressure.
2. The device for detecting the water seepage on the outer wall and the window edge of the building for project supervision according to claim 1, wherein the adjusting mechanism comprises a pressure sensor (312) for detecting the air pressure in each compression chamber (310), a water level sensor (313) arranged at the water level in the water storage chamber (30), and a controller (314) electrically connected with the pressure sensor (312) and the water level sensor (313) and used for controlling the starting and stopping of the air compressor (31).
3. The building outer wall and window edge water seepage testing device for engineering supervision as claimed in claim 1, wherein a first one-way valve for one-way air inlet to the compression chamber (310) is arranged between the air compressor (31) and the compression chamber (310), a second one-way valve for one-way water outlet of the water storage chamber (30) is arranged at an output end of the water storage chamber (30), and an electromagnetic valve is arranged between the compression chamber (310) and the water storage chamber (30) and electrically connected with the controller (314).
4. A control method suitable for the building exterior wall and window edge water seepage testing device for project supervision according to any one of the above claims 1-3, characterized by further comprising a controller (314), wherein the controller (314) comprises a pressure comparison unit electrically connected with each pressure sensor (312) for setting a preset target value in each compression chamber (310), such as a pressure value of normal water spraying being P1, a maximum air pressure in the compression chamber (310) being P2, a balanced air pressure value to be maintained by the compression chamber (310) when the air compressor (31) is turned off being P3, and comparing with a real-time pressure value detected by the pressure sensor (312); the water level comparison unit is electrically connected with each water level sensor (313) and is used for setting a preset target value H1 in each water storage cavity (30) and comparing the preset target value with a water level value detected by the water level sensor (313); a timing unit for timing when the air pressure value in the compression chamber (310) is at the target position; the control unit is used for controlling the output of air pressure into the compression chamber (310) or stopping the output of air pressure and controlling the on/off of the electromagnetic valve; the specific control method comprises the following steps of S1: before the air compressor (31) is started, the pressure sensor (312) detects that the air pressure existing in each compression chamber (310) is P0 at present, and the water level sensor (313) detects that the water level of each water storage chamber (30) is H0 at present, if P0 is larger than or equal to P1, and H0 is larger than or equal to H1, the air compressor (31) does not need to be started, and a subsequent pressure control operation instruction is waited; on the contrary, if P0 is less than P1 and H0 is less than H1, outputting a control instruction through the controller (314), starting the air compressor (31) according to the control instruction, monitoring the air pressure in the compression chamber (310) in real time to reach a specified P1 pressure value, and increasing the water yield in the water storage chamber (30) to H1;
s2, a monitoring stage: when the condition that an air compressor (31) of a compression chamber (310) is in an increased air pressure state is detected, acquiring an air pressure value P of the compression chamber (310) in real time through an air pressure sensor, and judging whether a first air pressure value is larger than a first preset target value P1 or not;
if P is larger than a preset target value P1, controlling the working state of an air compressor (31) of a compression chamber (310) according to a preset rule so as to control the air pressure value of the compression chamber (310) within the first preset target value, wherein the preset rule comprises the steps of suspending the air compressor (31) or enabling the air compressor (31) to intermittently increase or decrease the air pressure at preset time intervals;
s3, pressurizing: if the first air pressure value is larger than the first preset target value, the working state of an air compressor (31) of a compression chamber (310) is controlled by a controller (314) so as to control the air pressure value of the compression chamber (310) within the second preset target value, and the specific steps are as follows,
s31, judging whether the first air pressure value is smaller than a second preset target value or not after judging that the first air pressure value is larger than the first preset target value;
s32, if the first air pressure value is smaller than the second preset target value, controlling an air compressor (31) of the compression chamber (310) to continuously increase air pressure according to a preset time interval so as to increase the air pressure value of the compression chamber (310), after the air compressor continuously works for t1 time, detecting that the current air pressure value is Pt1, judging whether the Pt1 is between P1 and P2, if so, maintaining the pressurization frequency, and if not, continuously increasing the pressurization frequency;
s33, if the first air pressure value is larger than the second preset target value, the pressurization frequency needs to be reduced, the adjustment time is t2, the air pressure in the compression chamber (310) is recorded in the t2 time period, and if the Pt2 is larger than the P2 in the t2 time period, the fault of the air compressor (31) is judged, and the air compressor (31) is stopped to work;
s34, if the first air pressure value is larger than the first preset target value and smaller than a second preset target value, controlling an air compressor (31) of the compression chamber (310) to intermittently increase or decrease the air pressure according to a third preset time interval, recording the air pressure in the compression chamber (310) within a t3 time period, and if Pt3 is between P1 and P2 within the t3 time period, maintaining the control air pressure frequency of the air compressor (31), wherein the first preset target value is smaller than the second preset target value;
s4, closing: after the time period of t4, after the air compressor (31) is turned off, detecting that the air pressure value in the compression chamber (310) is Pt4 at present, judging whether the value of Pt4 is larger than or equal to P3, if the value of Pt4 is smaller than P3, controlling the air compressor (31) to perform pressurization operation, and when the air pressure value of the compression chamber (310) is detected to reach the third preset target value, turning off the air compressor (31) of the compression chamber (310) to adjust the air pressure of the compression chamber (310) to the third preset target value; otherwise, it is not needed.
5. The control method of the water seepage testing device for the outer wall and the window edge of the building for engineering supervision according to claim 4, wherein a flow sensor is further arranged at the input end of the water storage chamber (30), the control method further comprises a water level monitoring step, the specific monitoring step is as follows, the water level condition in the water storage chamber (30) is monitored in real time through a water level detector, the early warning water level is set to be H2, if the water level H0 monitored in real time is lower than H2, water level supplement is required to be carried out on the water storage chamber (30) through a water pump, if the water supply amount of the water pump is monitored by the flow sensor to be reduced, early warning needs to be carried out in advance, the insufficient water supply amount is reminded, and measures need to be taken in advance.
6. The method for controlling the water seepage testing device on the outer wall and the window edge of the building for project supervision according to claim 4 or 5, wherein an indicator lamp is arranged on a compression chamber (310) of the air pressure control mechanism, and the air pressure control method of the air pressure control mechanism further comprises the following steps: when the air compressor (31) of the compression chamber (310) is detected to be in an increasing or decreasing air pressure state, an indicator lamp of the compression chamber (310) is controlled to be lightened or flickered so as to remind a user that the compression chamber (310) is in an increasing or decreasing air pressure operation.
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Inventor after: Pan Tongxin Inventor after: Chen Jian Inventor after: Chi Jiang Inventor after: Li Shengkang Inventor after: Li Zhengzheng Inventor after: Li Shujiang Inventor before: Pan Tongxin Inventor before: Chen Jian Inventor before: Chi Jiang Inventor before: Li Shengkang Inventor before: Li Zhengzheng Inventor before: Li Shujiang |