CN112447030A - Liquid leakage detection system and method - Google Patents
Liquid leakage detection system and method Download PDFInfo
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- CN112447030A CN112447030A CN201910801425.5A CN201910801425A CN112447030A CN 112447030 A CN112447030 A CN 112447030A CN 201910801425 A CN201910801425 A CN 201910801425A CN 112447030 A CN112447030 A CN 112447030A
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- 239000007788 liquid Substances 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000012806 monitoring device Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Abstract
The invention relates to a leakage detection system, comprising: the water storage part is used for containing leaked liquid; the liquid level sensing device is used for detecting liquid leakage in the water storage part and outputting a liquid leakage signal; and the alarm device is electrically connected with the liquid level sensing device and determines an alarm strategy after receiving the liquid leakage signal. The weeping that is difficult for being detected assembles in the water storage spare, the gathering forms the liquid level that is easily detected, thereby make liquid level sensing device can be comparatively accurate detection, make alarm device report to the police after liquid level sensing device detects the weeping in the water storage spare, remind the staff to get and overhaul weeping department and clear up the ponding in the water storage spare, and because the weeping is connect greatly by the water storage spare, consequently before the staff goes to overhaul, the device that can not flow to the next door of long-pending weeping storage in the water storage spare leads to the short circuit of affiliated machine board circuit board, reduce equipment downtime and economic loss.
Description
Technical Field
The invention relates to the technical field of leakage treatment, in particular to a leakage detection system and a leakage detection method.
Background
In the processing process of electronic products, part of equipment is connected with a factory service end. The equipment and the factory service end interface sometimes have water leakage, and the daily work of workers is usually not on the same floor with the factory service end interface, so that the water leakage of the factory service end interface is difficult to find.
When the water leakage is accumulated to a large extent, the water gradually flows to the electronic equipment such as the electric cabinet and the laser nearby, and the internal circuit board of the electronic equipment is short-circuited, so that the equipment is shut down and the capacity is lost.
Disclosure of Invention
Therefore, a leakage detection system and a leakage detection method are needed to solve the problem that workers cannot find leakage of a factory service end interface in time to cause equipment breakdown and capacity loss, and the leakage detection system and the leakage detection method assist the workers in finding and treating leakage to prevent excessive leakage from damaging auxiliary machines and reduce equipment breakdown and economic loss.
The invention provides a liquid leakage detection system, comprising:
the water storage part is used for containing leaked liquid;
the liquid level sensing device is used for detecting liquid leakage in the water storage part and determining an alarm strategy;
and the alarm device is electrically connected with the liquid level sensing device and executes alarm after receiving the alarm signal. Above-mentioned weeping detecting system utilizes the water storage spare to connect the weeping greatly, make the difficult weeping that is detected assemble in the water storage spare, the gathering forms the liquid level that is detected easily, thereby make liquid level sensing device can comparatively accurate detection, liquid level sensing device detects the weeping in the water storage spare and confirms alarm strategy, make alarm device report to the police, remind the staff to get and overhaul weeping department and clear up the ponding in the water storage spare, and because the weeping is connect greatly by the water storage spare, consequently before the staff goes to overhaul, the less weeping of many is stored in the water storage spare and can not lead to the accessory board short circuit to the equipment of flow direction next door, reduce equipment downtime and economic loss.
In one of the embodiments, the first and second electrodes are,
the liquid level sensing device comprises a detection sensor, a signal converter and a controller, wherein the detection sensor detects the liquid level depth in the water storage part and outputs a detection signal;
the signal converter is electrically connected with the detection sensor, receives the detection signal, converts the detection signal into a water level electric signal and inputs the water level electric signal into the controller;
the controller is connected with the alarm device and determines the alarm strategy based on the water level electric signal.
In one embodiment, the controller is preset with at least a first preset value, and when the strength of the water level electric signal exceeds the first preset value, the controller sends an alarm signal to the alarm device.
In one of the embodiments, the first and second electrodes are,
the alarm strategies comprise a first alarm strategy and a second alarm strategy;
the controller is also preset with a second preset value;
when the intensity of the water level electric signal is greater than the first preset value and less than the second preset value, the controller drives the alarm device to execute a first alarm strategy;
and when the intensity of the water level electric signal is greater than the second preset value, the controller drives the alarm device to execute a second alarm strategy.
Through the technical scheme, the alarm strategy executed by the alarm device changes according to the difference of the water level in the water storage part, so that the leakage degree of the working personnel is reminded hierarchically, and the working personnel can make judgment conveniently.
In one embodiment, the water storage part comprises a bottom wall and a side wall, a first drainage port is formed in the side wall, a preset distance exists between the first drainage port and the bottom wall, the first drainage port is normally opened, and the first drainage port is communicated with a sewer through a first drainage pipe.
Through above-mentioned technical scheme, can save a certain amount of weeping in the water storage part, when the height at first drain port place was gathered to the weeping, the weeping was arranged down the water course from first drain port, reduced the weeping gathering too much possibility of spilling over from the water storage part.
In one embodiment, a second water outlet is formed through the bottom wall, the second water outlet is communicated with a sewer through a second water drainage pipe, and the second water outlet is arranged in a normally closed mode.
Through above-mentioned technical scheme, the staff can be through opening the whole discharges of weeping in the second outlet with the water storage spare, and the staff of being convenient for discharges the weeping sewer, and the weeping is discharged more thoroughly, reduces the probability that the condition that the in-process weeping of discharge weeping spills takes place simultaneously.
In one embodiment, the water storage part is made of stainless steel, and the whole size of the water storage part is matched with the space occupied by the service end interface.
In one embodiment, the system further comprises a monitoring device for remotely monitoring and checking the leakage condition of the factory service end interface.
In one embodiment, the monitoring device comprises a camera, a server and a personal terminal;
the camera is arranged at the factory service end interface and used for collecting image information at the factory service end interface and outputting the image information to the server, and the image information processed by the server is displayed on the personal terminal;
and the personal terminal outputs instruction information to the server after receiving the execution instruction, and the camera makes an instruction action after receiving the instruction information processed by the server.
Through above-mentioned technical scheme, can have ponding to monitoring area interface weeping condition, ground, to the influence condition of other affiliated board, have more audio-visual assurance. Furthermore, reasonable treatment methods are adopted according to local conditions, and the efficiency of treating problems is improved.
The invention also provides a liquid leakage detection method, which comprises the following steps:
receiving leakage liquid;
detecting the liquid level of the leaked liquid based on a liquid level sensing device, and determining an alarm strategy;
receiving the alarm signal and executing an alarm based on the alarm signal.
In one of the embodiments, the first and second electrodes are,
the liquid level sensing device detects the liquid level of the leaked liquid, and the alarm strategy determination comprises the following steps:
presetting a first preset value and a second preset value, detecting the stable liquid level to obtain a detection signal, comparing the detection signal with the first preset value and the second preset value, outputting a first alarm signal when the detection signal is greater than the first preset value and less than the second preset value, and outputting a second alarm signal when the detection signal is greater than the second preset value.
In one of the embodiments, the first and second electrodes are,
the receiving of the alarm signal and the execution of the alarm based on the alarm signal include:
and executing a first alarm strategy when receiving the first alarm signal, and executing a second alarm strategy when receiving the second alarm signal.
Drawings
FIG. 1 is a schematic diagram showing the construction of a liquid leakage detection system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the mechanism of the liquid level sensing device according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the mechanism of the water storage member according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a monitoring device according to an embodiment of the present invention;
fig. 5 is a flow chart showing a method of detecting a liquid leak according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on methods or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In one embodiment, as shown in fig. 1, a liquid leakage detection system is disclosed, comprising a water storage member 11, a liquid level sensing device 12 and an alarm device 13. The water storage part 11 is fixedly connected right below the plant service end interface and used for containing leaked liquid flowing down from the plant service end interface. The liquid level sensing device 12 can be arranged on the water storage part 11 and used for detecting leakage in the water storage part 11 and determining an alarm strategy, the alarm device 13 is electrically connected with the liquid level sensing device 12, and the alarm strategy is executed after the alarm signal output by the liquid level sensing device 12 is received.
Because the weeping is connect greatly by water storage part 11, the weeping that consequently is difficult for being detected gathers in water storage part 11, has formed the liquid level that has easily been detected to make liquid level sensing device 12 can be comparatively accurate detect the weeping, remind the staff then to overhaul weeping department and handle the ponding in the water storage part 11. As the leaked liquid is contained by the water storage part 11, the situation that the leaked liquid accumulated in the liquid level sensing device 12 flows to the nearby equipment to cause the short circuit of the circuit board is avoided, and the downtime and the economic loss of the equipment are reduced.
As shown in fig. 2, in one embodiment, the liquid level sensing device 12 includes a detection sensor 121, a signal converter 122 and a controller 123, the detection sensor 121 may be an optoelectronic water level sensor, the signal converter 122 may be a Safety Handling Box (SHB), and the controller 123 may be an industrial personal computer.
The photoelectric water level sensor has the advantages of high sensitivity, high response speed, non-contact detection and long service life, and the liquid level control precision is high and is within 0.5 mm. The photoelectric sensor is arranged on the inner wall of the water storage part 11, the photoelectric sensor internally comprises an emitting end and a receiving end, the working frequency of the emitting end can be 2Hz and is used for emitting LED light to the bottom of the water storage part 11 every 0.5s, and the receiving end is used for receiving the reflected light of the liquid level. In one example, the distance from the bottom of the water storage member 11 may be 150cm, and the calculation formula of the water level of the leaked liquid in the water storage member 11 of the water storage member 11 is as follows:
H＝150cm-(VT)/2；
wherein H is the depth of the leakage water level, V is the light speed, and T is the time taken by each emitted LED light from emission to reception. The SHB provides a power supply required by the work of the detection sensor 121, converts a detection signal detected by a receiving end of the detection sensor 121 into a water level electric signal which can be recognized by the industrial personal computer, and drives the alarm device 13 to execute an alarm strategy after the processing of the industrial personal computer. In one embodiment, the controller 123 is preset with at least a first preset value, and when the intensity of the water level electrical signal is greater than the first preset value, the alarm device 13 is driven to alarm, that is, a first level is set for the depth of the water level in the water storage member 11, and if the first level can be set to be a leakage depth of 5cm, the alarm device 13 executes a first alarm strategy when the leakage depth in the water storage member 11 exceeds 5 cm. Therefore, the staff is reminded only when the liquid leakage is continuously processed, the overhauling times of the staff are reduced, and the labor is saved.
In one embodiment, the controller 123 also presets a second preset value, and when the intensity of the water level electrical signal is greater than the first preset value and less than the second preset value, the controller 123 drives the alarm device 13 to execute a second alarm strategy; when the intensity of the water level electric signal is greater than the second preset value, the controller 123 drives the alarm device 13 to execute a second alarm strategy. That is, a second level, for example, a leakage depth of 10cm, is set for the depth of the water level in the water storage member 11. When the liquid leakage depth in the water storage part 11 exceeds 5cm but does not exceed 10cm, the controller 123 drives the alarm device 13 to execute a first alarm strategy, and when the liquid leakage depth in the water storage part 11 exceeds 10cm, the controller 123 drives the alarm device 13 to execute a second alarm strategy, so that the alarm strategy output by the alarm device 13 changes according to different water levels in the water storage part 11, a worker is reminded of the liquid leakage condition in a layered manner, and the worker can make a judgment quickly according to an alarm signal.
In one embodiment, the alarm device 13 may be an audible and visual alarm 131 including an LED indicator and a speaker, the first alarm strategy may be that the indicator flashes but the speaker does not sound, and the second alarm strategy may be that the indicator flashes while the speaker sounds. In other embodiments, the first warning strategy may be that the horn is turned off but the indicator light is not on, and the second warning strategy may be that the indicator light is flashing while the horn is sounding.
As shown in fig. 3, in one embodiment, the water storage member 11 is in a shape of a rectangular trough, and includes a bottom wall and a side wall, a first drain port 310 is formed through the side wall, and the first drain port 310 is communicated with a sewer 330 through a first drain pipe 320. The distance between the first drain port 310 and the bottom wall is greater than the second level leakage setting depth, and the first drain port 310 is normally open, so when the leakage in the water storage member 11 is gathered to a certain degree and reaches the height of the first drain port 310, the leakage can be discharged from the first drain port 310 into the sewer 330. Therefore, when the worker does not notice the alarm of the alarm device 13 in time for some reasons, the redundant leaked liquid can be discharged from the first water discharge port 310, and the leaked liquid can not flow to the nearby equipment to cause the short circuit of the auxiliary machine table circuit while the alarm device 13 keeps giving an alarm continuously.
In one embodiment, the bottom wall of the water storage member 11 is provided with a second water outlet 340 in a penetrating manner, the second water outlet 340 is communicated with the sewer 330 through a second water discharge pipe 350, the second water outlet 340 is normally closed, a worker can discharge all leakage in the water storage member 11 by opening the second water outlet 340, the leakage is discharged more thoroughly, the worker can discharge the leakage into the sewer 330 conveniently, and the probability of leakage spilling during the leakage discharging process is reduced.
As shown in fig. 2, in one embodiment, the alarm device 13 further includes a display device 123, and the controller 123 drives the display device 250 to display the water level in the water storage member 11.
In one embodiment, the water storage part 11 is made of stainless steel, the whole size of the water storage part 11 is matched with the space occupied by the factory service end interface, and four supporting legs are arranged below the water storage part 11.
As shown in fig. 4, in an embodiment, the system further includes a monitoring device for remotely monitoring and viewing a leakage condition at the service-side interface. The monitoring device comprises a camera, a server and a personal terminal, wherein the camera is fixedly connected with the factory service end interface and used for collecting image information at the factory service end interface and outputting the image information to the server through a local area network, and the image information processed by the server is output by the personal terminal. The staff inputs the instruction information through the personal terminal, the camera makes the instruction action after receiving the instruction information processed by the server through the local area network, controls the action of the camera on the upper side, the lower side, the left side and the right side and performs focusing and zooming operation on the lens, and can grasp the leakage condition at the interface of the factory service end, whether the ground has leakage and the influence condition on other accessory machines more to the rolling, and further adopt a reasonable processing method according to local conditions, thereby improving the efficiency of processing problems.
As shown in fig. 5, the present invention also provides a method for detecting liquid leakage, including:
step S510: receiving leakage liquid;
the water storage member 11 gathers up the leakage which is not easy to detect, and obtains a stable liquid level which is easy to detect.
Step S530: detecting the liquid level of the leaked liquid based on a liquid level sensing device, and determining an alarm strategy;
the liquid level sensing device 12 includes a detection sensor 121, the detection sensor 121 may be a photoelectric water level sensor, the photoelectric water level sensor includes an emitting end and a receiving end inside, the operating frequency of the emitting end may be 2Hz, and the emitting end is configured to emit LED light to the bottom of the water storage member 11 every 0.5s, and the receiving end is configured to receive reflected light of the liquid level. The liquid level sensing device further comprises a signal converter 122 and a controller 123, wherein the signal converter 122 converts a detection signal detected by a receiving end of the detection sensor 121 into a water level electric signal which can be identified by the controller 123, and an alarm strategy is determined according to the water level electric signal. The liquid level is stabilized, so that the detection sensor 121 detects liquid leakage with higher precision, and the existence of the water storage part 11 reduces the probability that the auxiliary machine table is influenced when the liquid level is detected.
Step S530: and receiving the liquid leakage signal and executing alarm based on the liquid leakage signal.
The alarm device 13 comprises a display device 132, in other embodiments, the alarm device 13 further comprises an audible and visual alarm 131, when the alarm device receives a liquid leakage signal, an alarm is given according to an alarm strategy determined by a controller, the staff is reminded that the factory service end interface has liquid leakage and needs to be handled in time, and in the time when the staff drives to maintain, the water storage part 11 can enable the circuit of the auxiliary machine to be difficult to generate short circuit due to liquid leakage.
In one embodiment of the present invention,
the liquid level of the leaked liquid is detected based on the liquid level sensing device, and the alarm strategy is determined to comprise:
presetting a first preset value and a second preset value, detecting a stable liquid level to obtain a detection signal, comparing the detection signal with the first preset value and the second preset value, outputting a first alarm signal when the detection signal is greater than the first preset value and less than the second preset value, and outputting a second alarm signal when the detection signal is greater than the second preset value.
Through above-mentioned technical scheme, detection device can demonstrate the discrimination according to the different weeping signals of weeping aggregation degree output in the water storage member 11.
In one embodiment, receiving an alarm signal and performing an alarm based on the alarm signal includes:
and executing a first alarm strategy when receiving the first alarm signal, and executing a second alarm strategy when receiving the second alarm signal. The first alarm strategy can be that the indicator light flickers to alarm, and the second alarm strategy can be that the loudspeaker sound and the indicator light flickers to alarm simultaneously. In other embodiments, the first alarm strategy may be a horn sound alarm, and the second alarm strategy may be a simultaneous alarm of a flashing indicator light and a horn sound.
Through the technical scheme, the alarm signal output by the alarm device 13 changes according to the difference of the water level in the water storage part 11, so that the leakage condition of a worker is reminded more hierarchically, and the worker can make a judgment quickly according to the alarm signal.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A leak detection system, comprising:
the water storage part is used for containing leaked liquid;
the liquid level sensing device is used for detecting liquid leakage in the water storage part and determining an alarm strategy;
and the alarm device is electrically connected with the liquid level sensing device and executes alarm after receiving the alarm signal.
2. The leak detection system according to claim 1,
the liquid level sensing device comprises a detection sensor, a signal converter and a controller, wherein the detection sensor detects the liquid level depth in the water storage part and outputs a detection signal;
the signal converter is electrically connected with the detection sensor, receives the detection signal, converts the detection signal into a water level electric signal and inputs the water level electric signal into the controller;
the controller is connected with the alarm device and determines the alarm strategy based on the water level electric signal.
3. The leak detection system according to claim 2,
the controller is at least preset with a first preset value, and when the strength of the water level electric signal exceeds the first preset value, the controller sends an alarm signal to the alarm device.
4. The leak detection system according to claim 3,
the alarm strategies comprise a first alarm strategy and a second alarm strategy;
the controller is also preset with a second preset value;
when the intensity of the water level electric signal is greater than the first preset value and less than the second preset value, the controller drives the alarm device to execute a first alarm strategy;
and when the intensity of the water level electric signal is greater than the second preset value, the controller drives the alarm device to execute a second alarm strategy.
5. The leak detection system according to claim 1,
the water storage part comprises a bottom wall and a side wall, a first drainage port is formed in the side wall, a preset interval exists between the first drainage port and the bottom wall, the first drainage port is normally opened, and the first drainage port is communicated with a sewer through a first drainage pipe.
6. The leak detection system according to claim 1,
the second water outlet is formed in the bottom wall in a penetrating mode and communicated with a sewer through a second water drainage pipe, and the second water outlet is normally closed.
7. The leak detection system according to claim 1,
the water storage piece is made of stainless steel, and the whole size of the water storage piece is matched with the space occupied by the service end interface.
8. The leak detection system according to claim 1,
the monitoring device is used for remotely monitoring and checking the leakage condition of the factory service end interface.
9. The leak detection system according to claim 8,
the monitoring device comprises a camera, a server and a personal terminal;
the camera is arranged at the factory service end interface and used for collecting image information at the factory service end interface and outputting the image information to the server, and the image information processed by the server is displayed on the personal terminal;
and the personal terminal outputs instruction information to the server after receiving the execution instruction, and the camera makes an instruction action after receiving the instruction information processed by the server.
10. A method of detecting a leak, comprising:
receiving leakage liquid;
detecting the liquid level of the leaked liquid based on a liquid level sensing device, and determining an alarm strategy;
receiving the alarm signal and executing an alarm based on the alarm signal.
11. The leak detection method according to claim 10,
the liquid level sensing device detects the liquid level of the leaked liquid, and the alarm strategy determination comprises the following steps:
presetting a first preset value and a second preset value, detecting the stable liquid level to obtain a detection signal, comparing the detection signal with the first preset value and the second preset value, outputting a first alarm signal when the detection signal is greater than the first preset value and less than the second preset value, and outputting a second alarm signal when the detection signal is greater than the second preset value.
12. The leak detection method according to claim 11,
the receiving of the alarm signal and the execution of the alarm based on the alarm signal include:
and executing a first alarm strategy when receiving the first alarm signal, and executing a second alarm strategy when receiving the second alarm signal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113786236A (en) * | 2021-09-16 | 2021-12-14 | 奥克兰高分子医用材料(天津)有限公司 | Liquid leakage prevention high-frequency negative pole loop pad |
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