CN114407836A - System and method for preventing automobile skylight from water leakage and vehicle - Google Patents
System and method for preventing automobile skylight from water leakage and vehicle Download PDFInfo
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- CN114407836A CN114407836A CN202210080673.7A CN202210080673A CN114407836A CN 114407836 A CN114407836 A CN 114407836A CN 202210080673 A CN202210080673 A CN 202210080673A CN 114407836 A CN114407836 A CN 114407836A
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- air pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 15
- 230000010365 information processing Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/0084—Water draining for non-fixed roofs or roof panels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention relates to a system for preventing a sunroof from leaking water, a method thereof and a vehicle, wherein a power supply module in the system is in power supply connection with a single chip microcomputer module and an air pump module; the air pump module comprises an air pump and an air pressure sensor, an air outlet of the air pump is connected to the skylight drainage channel, the single chip microcomputer module is in signal connection with the air pump module, and the skylight drainage channel is cleaned through pressure gas sent out by the air pump, so that the skylight drainage channel is kept smooth; the pressure sensor detects the pressure value of air pumped by the air pump in real time and sends the pressure value to the single chip microcomputer module in real time, and the single chip microcomputer module judges whether the skylight drainage channel is blocked according to the pressure value. According to the invention, the air pump is connected in series with the skylight drainage channel, so that when the skylight drainage channel is blocked, the high-pressure airflow of the air pump is utilized to discharge the blocking objects such as leaves, dust and the like entering the channel, the smoothness of the skylight drainage channel is ensured, and the water leakage of the cabin caused by the blockage of the skylight drainage channel is fundamentally avoided.
Description
Technical Field
The invention belongs to the technical field of automobile control, and particularly relates to a system and a method for preventing a sunroof from leaking water, and a vehicle.
Background
Along with the configuration of the automobile is more and more abundant, the automobile skylight also becomes the standard configuration of ordinary vehicles more and more, however, as time goes on, the use of skylight causes the problem of leaking because of the jam of skylight drainage channel under the rainy weather, and serious partly rainwater flows to form ponding under the carpet along A post and C post, causes ponding in the car, electrical components and parts short circuit, the interior bad circumstances such as going mildy of car, has serious potential safety hazard.
Among the prior art like in CN201920808327.X, just provide a skylight leak water alarm, including the mounting box, control chip, bee calling organ, moisture detector, humidity transducer is connected with the control chip electricity, bee calling organ is connected with the control chip electricity, the control chip electricity is connected with the power cord, the terminal electricity of power cord is connected with on-vehicle plug, can let car owner in time discover the problem of leaking and handle, prevent ponding or steam too big and harm car electrical components, can avoid the car in steam too big and cause the car in to go mildy, can realize real-time detection with mobile control terminals such as cell-phones.
The patent has the ponding after the skylight leaks and detects, and this method can only cause the ponding to the vehicle after reporting to the police, and the vehicle is in impaired or influences the normal use of car owner to the vehicle after alarm signal sends, does not leak this problem of skylight from the source and makes positive improvement measure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a system, a method and a vehicle for preventing the water leakage of an automobile skylight, which can avoid the problem that the vehicle is damaged only after the water is accumulated in the vehicle due to the water leakage of the skylight, and can obtain the effects of predicting the blockage of a drainage channel of the skylight in advance and dredging in time.
In order to solve the technical problems, the invention adopts the following technical scheme:
a system for preventing water leakage of an automobile skylight comprises a power supply module, wherein the power supply module is in power supply connection with a single chip microcomputer module, a CAN bus transceiver module, a humidity acquisition module, an air pump module and a skylight state detection module; the air pump module comprises an air pump and an air pressure sensor for detecting the pressure of gas sent by the air pump, the air outlet of the air pump is connected to the skylight drainage channel, the single chip microcomputer module is in signal connection with the air pump module and is used for controlling the air pump to run periodically, and the skylight drainage channel is cleaned through the pressure gas sent by the air pump, so that the skylight drainage channel is kept smooth; the air pressure sensor is used for detecting the pressure value of air pumped by the air pump in real time and sending the pressure value to the single chip microcomputer module in real time, and the single chip microcomputer module judges whether the skylight drainage channel is blocked according to the pressure value.
Further perfecting the technical scheme, the power supply module is a power supply circuit, the single chip microcomputer module comprises a single chip microcomputer, and the CAN bus transceiver module comprises a CAN transceiver; the CAN transceiver is connected with a sending pin and a receiving pin of a CAN communication interface of the singlechip and is used for sending a signal for judging the skylight drainage channel blockage by the singlechip to the cabin information processing system through the CAN communication interface.
Furthermore, the single chip microcomputer is in communication connection with the humidity acquisition module, the air pump module and the skylight state detection module through serial UART interfaces; the skylight state detection module comprises a limit switch and is used for judging whether the skylight is in an opening state or a closing state; the humidity acquisition module comprises a humidity sensor arranged in the cabin and is used for detecting humidity data in the cabin and judging whether water leakage occurs in the cabin according to the detected humidity data.
The invention also relates to a method for preventing the automobile skylight from water leakage, and the system for preventing the automobile skylight from water leakage specifically comprises the following steps:
s1: the skylight state detection module judges the opening and closing state of the skylight, and executes S2 when the skylight is detected to be in the closing state;
s2: the skylight state detection module sends a signal to the single chip microcomputer to indicate that the skylight is in a closed state, and the single chip microcomputer periodically sends an opening instruction to the air pump module when the skylight is in the closed state;
s3: and after the air pump module receives the opening instruction, the air pump starts to operate, cleans the skylight drainage channel and stops after operating according to the opening time input by the single chip microcomputer.
Further perfecting the technical scheme, in the step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pumped by the air pump in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer judges whether the skylight drainage channel is blocked according to the pressure value; when the pressure value exceeds a preset rated pressure value in the single chip microcomputer, the single chip microcomputer judges that the skylight drainage channel is blocked, and sends a signal of the blockage of the skylight drainage channel to the cabin information processing system through the CAN transceiver.
Further, when the pressure value exceeds a preset upper limit rated value in the single chip microcomputer, the single chip microcomputer sends an instruction to the humidity acquisition module, after the humidity acquisition module receives the instruction, the humidity sensor detects the humidity in the cabin in real time and sends the humidity value to the single chip microcomputer in real time, and when the humidity value exceeds a preset rated humidity value in the single chip microcomputer, the single chip microcomputer sends a humidity value out-of-limit signal to the cabin information processing system through the CAN transceiver.
Further, in step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pumped by the air pump in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer compares the pressure value with a preset rated pressure value and sends a corresponding opening time instruction to the high-pressure air pump module; the rated pressure value is P0、P1、P2、P3，P0＜P1＜P2＜P3(ii) a The pressure value is set to be P,
when P is present0＜P＜P1At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t1；
When P is present1＜P＜P2At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t2；
When P is present2＜P＜P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t3；
When P > P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t4；
And t is1＜t2＜t3＜t4。
The invention also relates to a vehicle which is provided with the system for preventing the sunroof from leaking water.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the system for preventing the water leakage of the automobile skylight, the air pump is connected with the skylight drainage channel in series, so that when the skylight drainage channel is blocked, the high-pressure airflow of the air pump is utilized to discharge blocking objects such as leaves, dust and the like entering the channel, the smoothness of the skylight drainage channel is ensured, the water leakage of a cabin caused by the blocking problem is avoided, and the water leakage of the cabin caused by the blocking of the skylight drainage channel is fundamentally avoided.
2. By using the system for preventing the water leakage of the automobile skylight, whether the drainage channel of the skylight is blocked or not can be detected in any weather, if the drainage channel of the skylight is blocked, emergency treatment can be performed according to the blocking condition, a driver does not need to return to the automobile and then perform treatment, and the situation that the blocking condition becomes serious and even the water leakage of a cabin is caused can be avoided, so that unnecessary loss is brought.
Drawings
Fig. 1 is a block diagram illustrating a system for preventing a sunroof from leaking water according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, a system for preventing a sunroof from leaking water according to an embodiment includes a power supply module, the power supply module is electrically connected to a single chip module, a CAN bus transceiver module, a humidity acquisition module, an air pump module, and a sunroof status detection module; the air pump module comprises an air pump and an air pressure sensor for detecting the pressure of gas sent by the air pump, the air outlet of the air pump is connected to the skylight drainage channel, the single chip microcomputer module is in signal connection with the air pump module and is used for controlling the air pump to run periodically, and the skylight drainage channel is cleaned through the pressure gas sent by the air pump, so that the skylight drainage channel is kept smooth; the air pressure sensor is used for detecting the pressure value of air pumped by the air pump in real time and sending the pressure value to the single chip microcomputer module in real time, and the single chip microcomputer module judges whether the skylight drainage channel is blocked according to the pressure value.
According to the system for preventing the water leakage of the automobile skylight, the air pump is connected with the skylight drainage channel in series, so that when the skylight drainage channel is blocked, the high-pressure airflow of the air pump is used for discharging blocking objects such as leaves, dust and the like entering the channel, the smoothness of the skylight drainage channel is ensured, the water leakage of the cabin caused by the blocking problem is avoided, and the water leakage of the cabin caused by the blocking of the skylight drainage channel is fundamentally avoided.
The power supply module is a power supply circuit, the singlechip module comprises a singlechip, and the CAN bus transceiver module comprises a CAN transceiver; the CAN transceiver is connected with a sending pin and a receiving pin of a CAN communication interface of the singlechip and is used for sending a signal for judging the skylight drainage channel blockage by the singlechip to the cabin information processing system through the CAN communication interface, and the cabin information processing system gives an alarm to a user. The single chip microcomputer is in communication connection with the humidity acquisition module, the air pump module and the skylight state detection module through serial port UART interfaces; the skylight state detection module comprises a limit switch and is used for judging whether the skylight is in an opening state or a closing state; the humidity acquisition module comprises a humidity sensor arranged in the cabin and is used for detecting humidity data in the cabin and judging whether water leakage occurs in the cabin according to the detected humidity data.
In the method, the judgment is carried out by the limit switch for detecting whether the skylight is in the opening or closing state, and if the skylight is closed, the limit switch is opened, and then a signal can be sent to the single chip microcomputer to indicate that the skylight is in the closing state.
With continued reference to fig. 1, the present embodiment further discloses a method for preventing water leakage of an automobile sunroof, where the system for preventing water leakage of an automobile sunroof specifically includes the following steps:
s1: the skylight state detection module judges the opening and closing state of the skylight, and executes S2 when the skylight is detected to be in the closing state;
s2: the skylight state detection module sends a signal to the single chip microcomputer to indicate that the skylight is in a closed state, and the single chip microcomputer periodically sends an opening instruction to the air pump module when the skylight is in the closed state;
s3: and after the air pump module receives the opening instruction, the air pump starts to operate, cleans the skylight drainage channel and stops after operating according to the opening time input by the single chip microcomputer.
Therefore, by using the system for preventing the water leakage of the automobile skylight, whether the skylight drainage channel is blocked or not can be predicted in any weather, if the skylight drainage channel is blocked, emergency treatment can be carried out according to the blocking condition, a driver does not need to return to the automobile and then carry out treatment, and the situation that the blocking condition becomes serious and even causes the water leakage of a cabin, so that unnecessary loss is avoided.
Regarding the operation of the air pump module in step S3, there are two embodiments.
Example 1: in the step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pump sending out air in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer judges whether the skylight drainage channel is blocked according to the pressure value; when the pressure value exceeds a preset upper limit rated value in the single chip microcomputer, the single chip microcomputer judges that the skylight drainage channel is blocked, and sends a signal indicating that the skylight drainage channel is blocked to the cabin information processing system through the CAN transceiver.
Example 2: in the step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pump sending out gas in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer compares the pressure value with a preset rated pressure value and sends a corresponding opening time instruction to the high-pressure air pump module; the rated pressure value is P0、P1、P2、P3，P0＜P1＜P2＜P3(ii) a The pressure value is set to be P,
when P is present0＜P＜P1At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t1；
When P is present1＜P＜P2When the air pump is started by the opening time instruction sent by the singlechip to the air pump moduleLength of t2；
When P is present2＜P＜P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t3；
When P > P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t4；
And t is1＜t2＜t3＜t4。
According to the method for preventing the water leakage of the automobile skylight, the opening time of the air pump module with different time lengths is set according to the severity of the blocking condition in the skylight drainage channel, so that the condition that the working time of the air pump is too short to dredge the channel is avoided, the power saving and the environmental protection are facilitated, and the preset upper limit rated value and the P value in the embodiment are used for saving power and protecting the environment0、P1、P2、P3And t1、t2、t3、t4The setting is carried out according to the actual situation.
When the pressure value exceeds a preset upper limit rated value in the single chip microcomputer, the single chip microcomputer sends an instruction to the humidity acquisition module, after the humidity acquisition module receives the instruction, the humidity sensor detects the humidity in the cabin in real time and sends the humidity value to the single chip microcomputer in real time, and when the humidity value exceeds a preset rated humidity value in the single chip microcomputer, the single chip microcomputer sends a humidity value out-of-limit signal to the cabin information processing system through the CAN transceiver.
The humidity acquisition module in the system is used for solving the problem that an air pump cannot be dredged due to the fact that a skylight drainage channel is blocked, and the operation of the humidity acquisition module is based on the fact that the air pump module passes through t4After long-time dredging, the pressure value measured by the air pressure sensor is still larger than P3The single-chip microcomputer sends an instruction to the humidity acquisition module, the humidity acquisition module receives the instruction, the humidity sensor detects the humidity in the cabin, the humidity acquisition module sends a real-time humidity value to the single-chip microcomputer module, the single-chip microcomputer module compares the real-time humidity value with a set rated humidity value, and if the real-time humidity value exceeds the rated humidity value, the single-chip microcomputer judges that water leakage and wind leakage occur in the cabinDanger and send the cabin water leakage signal to the cabin information processing system to remind the user of the water leakage risk in the cabin.
The invention also provides a vehicle which is provided with the system for preventing the sunroof from leaking water.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The utility model provides a prevent system that sunroof leaked which characterized in that: the device comprises a power supply module, wherein the power supply module is in power supply connection with a single chip microcomputer module, a CAN bus transceiver module, a humidity acquisition module, an air pump module and a skylight state detection module;
the air pump module comprises an air pump and an air pressure sensor for detecting the pressure of gas sent by the air pump, the air outlet of the air pump is connected to the skylight drainage channel, the single chip microcomputer module is in signal connection with the air pump module and is used for controlling the air pump to run periodically, and the skylight drainage channel is cleaned through the pressure gas sent by the air pump, so that the skylight drainage channel is kept smooth; the air pressure sensor is used for detecting the pressure value of air pumped by the air pump in real time and sending the pressure value to the single chip microcomputer module in real time, and the single chip microcomputer module judges whether the skylight drainage channel is blocked according to the pressure value.
2. The system for preventing the water leakage of the sunroof of the automobile according to claim 1, wherein: the power supply module is a power supply circuit, the singlechip module comprises a singlechip, and the CAN bus transceiver module comprises a CAN transceiver; the CAN transceiver is connected with a sending pin and a receiving pin of a CAN communication interface of the singlechip and is used for sending a signal for judging the skylight drainage channel blockage by the singlechip to the cabin information processing system through the CAN communication interface.
3. The system for preventing the water leakage of the sunroof of the automobile according to claim 2, wherein: the single chip microcomputer is in communication connection with the humidity acquisition module, the air pump module and the skylight state detection module through serial port UART interfaces;
the skylight state detection module comprises a limit switch and is used for judging whether the skylight is in an opening state or a closing state;
the humidity acquisition module comprises a humidity sensor arranged in the cabin and is used for detecting humidity data in the cabin and judging whether water leakage occurs in the cabin according to the detected humidity data.
4. A method for preventing water leakage of an automobile skylight is characterized by comprising the following steps: the system for preventing the water leakage of the automobile skylight according to claim 3 comprises the following steps:
s1: the skylight state detection module judges the opening and closing state of the skylight, and executes S2 when the skylight is detected to be in the closing state;
s2: the skylight state detection module sends a signal to the single chip microcomputer to indicate that the skylight is in a closed state, and the single chip microcomputer periodically sends an opening instruction to the air pump module when the skylight is in the closed state;
s3: and after the air pump module receives the opening instruction, the air pump starts to operate, cleans the skylight drainage channel and stops after operating according to the opening time input by the single chip microcomputer.
5. The method for preventing the water leakage of the automobile skylight as claimed in claim 4, wherein: in the step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pump sending out air in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer judges whether the skylight drainage channel is blocked or not according to the pressure value; when the pressure value exceeds a preset rated pressure value in the single chip microcomputer, the single chip microcomputer judges that the skylight drainage channel is blocked, and sends a signal of the blockage of the skylight drainage channel to the cabin information processing system through the CAN transceiver.
6. The method for preventing the water leakage of the automobile skylight according to claim 5, characterized in that: when the pressure value exceeds the preset upper limit rated value in the single chip microcomputer, the single chip microcomputer sends an instruction to the humidity acquisition module, after the humidity acquisition module receives the instruction, the humidity sensor detects the humidity in the cabin in real time and sends the humidity value to the single chip microcomputer in real time, and when the humidity value exceeds the preset rated humidity value in the single chip microcomputer, the single chip microcomputer sends a signal indicating that the humidity value exceeds the limit to the cabin information processing system through the CAN transceiver.
7. The method for preventing the water leakage of the automobile skylight as claimed in claim 4, wherein: in the step S3, in the operation process of the air pump, the air pressure sensor detects the pressure value of the air pump sending out gas in real time and sends the pressure value to the single chip microcomputer in real time, and the single chip microcomputer compares the pressure value with a preset rated pressure value and sends a corresponding opening time instruction to the high-pressure air pump module; the rated pressure value is P0、P1、P2、P3，P0＜P1＜P2＜P3(ii) a The pressure value is set to be P,
when P is present0＜P＜P1At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t1；
When P is present1＜P＜P2At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t2；
When P is present2＜P＜P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t3；
When P > P3At the moment, the on-time instruction sent by the singlechip to the air pump module enables the air pump to be on for t4；
And t is1＜t2＜t3＜t4。
8. A vehicle, characterized in that: the vehicle is provided with the system for preventing water leakage of the automobile skylight, wherein the system is disclosed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210080673.7A CN114407836A (en) | 2022-01-24 | 2022-01-24 | System and method for preventing automobile skylight from water leakage and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210080673.7A CN114407836A (en) | 2022-01-24 | 2022-01-24 | System and method for preventing automobile skylight from water leakage and vehicle |
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| CN114407836A true CN114407836A (en) | 2022-04-29 |
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| CN202210080673.7A Pending CN114407836A (en) | 2022-01-24 | 2022-01-24 | System and method for preventing automobile skylight from water leakage and vehicle |
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| CN210502473U (en) * | 2019-05-31 | 2020-05-12 | 杭州职业技术学院 | Skylight leak water alarm |
| US20210094516A1 (en) * | 2019-09-30 | 2021-04-01 | Mohsen Zolghadr | Automotive sunroof/moonroof drain cleaner |
| CN213793290U (en) * | 2020-10-31 | 2021-07-27 | 南通海林汽车橡塑制品有限公司 | Skylight water pipe detects auxiliary device |
-
2022
- 2022-01-24 CN CN202210080673.7A patent/CN114407836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030192576A1 (en) * | 2002-04-11 | 2003-10-16 | Chu Henry C. | Cleaning facility for tubing systems of vehicles |
| CN206369556U (en) * | 2017-01-11 | 2017-08-01 | 许修义 | A kind of automatic detection conveys the device of blockage |
| CN206689150U (en) * | 2017-03-01 | 2017-12-01 | 深圳绿米联创科技有限公司 | A kind of automatic dredging plumbing installation |
| CN110185415A (en) * | 2018-05-09 | 2019-08-30 | 中国科学院深海科学与工程研究所 | Petroleum pipeline dredging system and dredging method |
| CN210502473U (en) * | 2019-05-31 | 2020-05-12 | 杭州职业技术学院 | Skylight leak water alarm |
| US20210094516A1 (en) * | 2019-09-30 | 2021-04-01 | Mohsen Zolghadr | Automotive sunroof/moonroof drain cleaner |
| CN213793290U (en) * | 2020-10-31 | 2021-07-27 | 南通海林汽车橡塑制品有限公司 | Skylight water pipe detects auxiliary device |
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