48results about How to "Achieve leakage" patented technology

A publicly-verifiable cloud data possession checking method is provided. The method includes the three stages of initialization, user challenge-response verification and TTP arbitration; the three stages comprise the following ten steps that: step 1, data segmentation [F->F'] is performed; step 2, verification tag generation [(SK, F)-> HVT] is performed; step 3, data and tag information upload [(F, HVT)->S] is performed; step 4, secret parameters are recorded to a TTP (trusted third party); step 5, the TTP verifies recorded parameters; step 6, [chal] is initiated by a user, and the chal and the verification information of the chal are handed over to the TTP so as to be record; step 7, a server makes a response; step 8, [(R, sk)->(' success', 'failure')] is verified; step 9, relevant information acquisition is verified; and step 10, the trusted third party performs verification publicly. With the publicly-verifiable cloud data possession checking method of the invention adopted, the user can verify the existence and integrity of data in a cloud storage server. The publicly-verifiable cloud data possessions checking method is advantageous in no limitation on the number of user authentication times as well as small storage capacity and low computational complexity of a client, and has great practical value and broad application prospect.

The invention belongs to a communication technology, and discloses a method and system for supporting dense data deduplication and integrity verification. In each time period, the user's signature private key is a product of two parts, the first part is an update message generated by an auditor according to his private key, and the second part is calculated by the user's private key and the current time period; the signature private key of any time period needs to be generated jointly by the user and the auditor; and in the data deduplication, the client deduplication of the file is implemented by using a Bloom filter. The invention utilizes the Bloom filter to implement the client deduplication of the file, and does not need to perform secondary uploading when the cloud server has alreadystored the same file, and prevents the malicious user from illegally obtaining the file through the fake certificate value while the malicious user does not possess the file. During the challenge andresponse process, the cloud server picks up a part of the message block of the file for verification, and the auditor cannot obtain the file through the response value sent by the cloud server.

The invention discloses a linear regression algorithm based on secure two-party calculation. The method comprises the following steps: S1, adopting multiplication of a secret sharing value; S2, preprocessing the training data; S3, initializing parameters; S4, updating model parameters; S5, preprocessing the prediction data; S6, calculating a prediction sharing value; and S7, reconstructing a prediction result. According to the scheme, the privacy of data and model parameters is not leaked, and meanwhile, the required communication overhead is lower. According to the method, privatization is carried out on original training data and model parameters, and a linear regression algorithm for protecting data privacy is realized by virtue of convenience of cloud service under the condition that acloud server cannot obtain the original training data and intermediate parameters and cannot deduce the model parameters. On the basis, a regression prediction task can be safely executed, and when computing and storing resources of the cloud server are utilized, training and data prediction of a linear regression model can be efficiently and accurately carried out.

The invention relates to a capability adjustable volution compressor refrigerating system with a jet apparatus arranged on a central loop, and belongs to the refrigerating and air-condition field. A central pressure loop is arranged between an exit of a condenser and an entrance of a compressor, the top of the loop is provided with a jet apparatus, the invention uses the jet apparatus to lead and shoot the refrigerating fluid discharged from the compressed central section toward the low pressure side by utilizing the pressure difference between the central pressure loop and the inhaling mouth of the compressor, thereby strengthening the discharging function of the system refrigeration fluid and elevating the unloading ability of the volution compressor. Simultaneously, the combination of the strengthened refrigerating fluid discharging technique and the refrigerating fluid ejecting technique greatly elevates the capability changing ability toward the two directions of big and small of the volution compressor refrigerating system. The technique can be used for the refrigeration / heating pump system in the air-condition refrigeration field containing the volution compressor, can effectively change the efficiency, system capability and capacity of the compressor, and make the system work with high efficiency in a much bigger working condition range, thereby elevate the applicability under the condition of the working condition changing in a bigger range of the system.

The invention relates to a whirl compressor cooling system which has a main loop provided with an ejector and the capacity adjustable, belonging to the cooling and air conditioning field. The ejector is arranged between the condenser and an evaporator in the system loop. The refrigerant is released from the middle section of the compressor to the low-pressure side by utilizing the high-low pressure differential reinforcing whirl compressor cooling system so as to improve the unloading capability of the whirl compressor. Meanwhile, the reinforced refrigerant release technique is combined with the refrigerant ejection technique so that the whirl compressor has the capacity change from the largest to the lowest greatly improved. The technique can be applied to the air conditioner cooling field with the cooling / heat pump system, thereby the efficiency, the system capacity and the performance of the compressor can be effectively changed, the highly efficient work of the system in larger work area can be achieved, and then the applicability of the system in large and changeable work condition is improved.

The invention discloses an electric lifting flat plate vulcanizing machine for rubber production, which comprises a base and a lifting seat. The two sides are connected with uprights, the inside of the uprights is connected with a straight rack, the middle part of the lower end of the lifting seat is connected with a lifting motor, the upper end of the lifting motor is connected with a driving wheel, the two ends of the driving wheel are meshed with a driven wheel, and the upper end of the driven wheel is connected with a rotating shaft. The upper end is connected with a worm, and the inner side of the worm is meshed with a worm wheel. The coaxial position of the worm wheel is connected with a lifting wheel. The lower end of the lifting seat is provided with a connecting plate. With water tank. The present invention realizes the vulcanization of rubber, and the purely mechanical structure is easy to operate, avoids the leakage of oil and water, ensures the cleanliness of the equipment itself, and has high reliability.

The invention discloses a fishing device for cleaning dam floating objects. The fishing device for cleaning the dam floating objects belongs to the technical field of water conservancy projects, and comprises a collecting trough and fishing boxes. The collecting trough is of a trough body structure; speed reducers are arranged at two ends of the trough body; motors are fixed on the speed reducers; output ends of the motors and two ends of a rotary shaft are fixed; a plurality of first mesh holes are uniformly formed in one surface of the collecting trough; a slope is arranged at one surface of the collecting trough; a notch is formed in one surface of the collecting trough, and is located between the slope and a side plate of the collecting trough; the interior of the notch is in slide fit to a plurality of fishing boxes; and a plurality of second mesh holes are uniformly formed in one surfaces of the fishing boxes. According to the fishing device for cleaning the dam floating objects provided by the invention, through arranging the fishing boxes, the water surface floating objects can be fished automatically; through arranging the collecting trough, the fished floating objects are collected; through uniformly forming the mesh holes in one surfaces of the fishing boxes and the collecting trough, excessive water is seeped; and through designing the rotary shaft into a triangular column, so that the fishing boxes can be dumped.

The invention discloses a silage pool capable of preventing bottom silage from mildewing and a construction method of the silage pool. The silage pool comprises a silage pool body and a drain pipe, wherein a sand layer, a plastic film and a hay layer are paved at the bottom of the silage pool body from bottom to top sequentially, a fluid collecting tank is arranged on one side of the bottom of the silage pool body and communicated with the drain pipe, and through holes overspreading the film surface are formed in the plastic film. Silage and a silage fluid are rapidly separated by the hay layer, the plastic film layer and the sand layer, the condition that bottom silage is soaked by the silage fluid in the ensiling process is avoided, mildewing of the silage at the bottom of the silage pool body is effectively prevented, besides, the upper part of the silage pool body is sealed, moreover, the only drain pipe communicated with the outside is also covered with the sand layer, the sand layer can better guarantee sealing of the silage pool body, the sealing effect is good, the structure is simple, long-stem storage of silage is guaranteed, mildewing of the silage is avoided, safety guarantee is provided for food for feeding domestic animals, and the silage pool has the characteristics of low cost and convenience in operation.

The invention discloses a stainless steel slag treatment device and a treatment method thereof. The stainless steel slag treatment device comprises a slag pot arranged on a slag pot supporting seat, afixed frame arranged on a foundation, a dust removal cover with a dust removal opening, a swing arm, a hydraulic cylinder, a water supply pipe, a water supply control valve, an atomizing nozzle, a moving exhaust pipe, a fixed exhaust pipe and an air draft control valve, wherein one end of the swing arm is hinged to the fixed frame and the other end of the swing arm is fixedly connected with the outer side of the dust removal cover, the hydraulic cylinder is used for driving the swing arm to swing around a hinged point to realize that the dust removal cover covers and opens the slag pot, the water supply pipe is arranged on the fixed frame and the swing arm, the water supply control valve is arranged on the water supply pipe, the atomizing nozzle is arranged at the tail end of the water supply pipe and located on the inner side of the dust removal cover, the moving exhaust pipe is fixedly connected with the outer side of a dust removal opening, the fixed exhaust pipe butts against themoving exhaust pipe through a water sealing connector, and the air draft control valve is arranged on the fixed exhaust pipe. The stainless steel slag treatment device has a cooling effect, realizes synchronous collection of steam containing dust and poisonous gas, avoids leakage, and has high automation degree and simple structure.

The invention provides a display method, electronic equipment and a medium. The method comprises the following steps: receiving a first input of a user; in response to the first input, setting the atleast one application program as a target application program; under the condition that the first screen content currently displayed by the physical screen comprises the target information of the target application program, displaying second screen content in the live broadcast picture, wherein the second screen content is content obtained after target processing is carried out on target information of a target application program in the first screen content; according to the embodiment of the invention, when a user carries out live broadcast and the screen content currently displayed by the physical screen comprises the target information of the target application program, in order to avoid the leakage of the target information of the target application program, the processed content is subjected to live broadcast after the target information is subjected to target processing, so that the privacy of the user is effectively protected.

An environment-friendly anti-overflow control device is characterized in that a sliding sleeve with a valve is fitted in a body, an incoming liquid passage is arranged in each of the sliding sleeve and the body, a fixed valve of an oil pump is replaced to allow normal production, a tool is connected between a pump barrel and a porous pipe so that the requirements of various daily underground operations are met, and pump operation and normal production are unaffected; conventional measures, such as packer expansive sealing, underground filtering, hot washing and moving level test, can be performed. The body is provided with the sliding sleeve that is of shear pin type; anti-blowout and oil discharge functions can be freely selected according to underground pressure; when tubing pressure reaches shear pin breaking pressure, a shear pin is broken, the sliding sleeve moves down, the lower incoming liquid passage is sealed, and an oil discharge hole is opened; when the tubing pressure is higher than casing pressure, the oil discharge hole is opened to discharge oil; when the tubing pressure is lower than the casing pressure, the oil discharge hole is sealed to prevent blowout. A sand settling chamber is designed inside to prevent sand from entering the pump; so that an anti-sand function is provided.

A publicly-verifiable cloud data possession checking method is provided. The method includes the three stages of initialization, user challenge-response verification and TTP arbitration; the three stages comprise the following ten steps that: step 1, data segmentation [F->F'] is performed; step 2, verification tag generation [(SK, F)-> HVT] is performed; step 3, data and tag information upload [(F, HVT)->S] is performed; step 4, secret parameters are recorded to a TTP (trusted third party); step 5, the TTP verifies recorded parameters; step 6, [chal] is initiated by a user, and the chal and the verification information of the chal are handed over to the TTP so as to be record; step 7, a server makes a response; step 8, [(R, sk)->(' success', 'failure')] is verified; step 9, relevant information acquisition is verified; and step 10, the trusted third party performs verification publicly. With the publicly-verifiable cloud data possession checking method of the invention adopted, the user can verify the existence and integrity of data in a cloud storage server. The publicly-verifiable cloud data possessions checking method is advantageous in no limitation on the number of user authentication times as well as small storage capacity and low computational complexity of a client, and has great practical value and broad application prospect.

The invention relates to a pipe connecting component which comprises a connecting piece, a filtering casing and a pipe body, wherein the filtering casing is mounted at the lower end of the connecting piece, and the pipe body penetrates through the filtering casing to be in interference fit with the connecting piece. The pipe connecting component provided by the invention has the advantages that the structure is simple, the use is convenient, through the mounting of a first sealing ring and a second sealing ring, hermetical sealing between adjacent pipe bodies can be achieved, water leakage is prevented, the assembling is quick, and the work efficiency is high.

The invention relates to a screw, in particular to an improved self-tapping screw. The technical scheme of the invention is that the improved self-tapping screw includes a screw cap and a screw rod; a connection segment is arranged between the screw cap and the screw rod; a screw head is arranged on the lower end of the screw rod; self-tapping threads are arranged on the outer periphery of the screw rod; aid-tapping threads are arranged between every two adjacent self-tapping threads, wherein the spiral direction of the aid-tapping threads is counter to the spiral direction of the self-tapping threads; and a square pad is arranged under the screw cap. The advantages of the invention are that the improved self-tapping screw is simple to machine and assemble, is remarkable in antiskid effect, is high in cutting strength, and has a good use effect.

The invention relates to production equipment for a liquid organic fertilizer and a method. The production equipment comprises a pot body, a stirring mechanism and a heat-conductive coil pipe, wherein the stirring mechanism comprises a stirring device and a power mechanism, and the power mechanism is mounted at the outer side of the pot body; the stirring device is arranged in the pot body, and one end of the stirring device penetrates through the roof of the pot body and is connected to an output end of the power mechanism; and the heat-conductive coil pipe is mounted in the pot body. According to the equipment and the method, the heat-conductive coil pipe is directly arranged inside the pot body, organic waste liquid is injected into the pot body, then, the area of contact between the heat-conductive coil pipe and the organic waste liquid is large, the efficiency of heat conducting is increased, the organic waste liquid is subjected to high-temperature high-pressure treatment, the liquid organic fertilizer meeting the requirements of industry specified innocent treatment is produced, and the production efficiency is increased greatly; macromolecules which are not absorbable to plants are decomposed into absorbable water-soluble micromolecules, so that the water solubility of the liquid fertilizer is improved, and effective organic components of the liquid fertilizer are increased; and meanwhile, the stirring mechanism is arranged, so that the rate of reaction is further accelerated, and the industrialized and large-scale production of the liquid organic fertilizer is achieved.

The invention discloses a leak-proof powder toner cartridge, which has a powder storage bin, and an automatic powder feeder is arranged on the powder storage bin, which includes: a connecting sleeve, which includes an outer sleeve and an inner sleeve arranged coaxially, and the inner sleeve is symmetrically arranged. There are a pair of positioning holes, and the first supporting net is horizontally clamped in the inner casing; the bracket includes a pair of L-shaped struts, a pair of telescopic connecting rods and a positioning frame; the powder adding device includes a vertical powder leakage pipe , a blocking piece arranged at the lower end of the powder leakage pipe, a pair of connecting arms symmetrically and vertically arranged about the axis of the powder leakage pipe, and a support column passing through the blocking piece; With matching internal threads, the positioning frame is pressed down to drive the sealing member to move downward, so that the toner in the toner bottle leaks to the toner storage bin through the gap between the powder leakage tube and the sealing member. The invention has the advantages of simple structure design, convenient use, easy operation, no carbon powder leakage, high powder adding efficiency, high efficiency and environmental protection.

The invention is suitable for the technical field of heat dissipation and dust prevention devices of computer cases, and provides an internal circulation dust prevention and heat dissipation computer case which comprises a box body which is of a closed structure, the box body comprises a hardware installation area, an inner circulation heat exchange area adjacent to the hardware installation area and an outer circulation heat exchange area adjacent to the hardware installation area and the inner circulation heat exchange area, a first air exchange assembly is arranged between the hardware installation area and the inner circulation heat exchange area, and a second air exchange assembly is arranged on the outer side of the outer circulation heat exchange area; a heat exchange water path which is a circulation closed water path and comprises an inner circulation heat exchanger arranged in the inner circulation heat exchange area and an outer circulation heat exchanger arranged in the outer circulation heat exchange area, so that the interior of the case is closed, internal circulation heat dissipation in the case is achieved, and the effect that no dust is accumulated in the case is achieved, meanwhile, heat dissipation and cooling are achieved through circulating water, the heat dissipation efficiency of the case is improved, and the heat dissipation effect of the whole device is guaranteed.

The invention discloses an article sending system and an output pipeline thereof. The article sending system comprises a sending assembly; the sending assembly is connected with an air supply pipeline and the output pipeline; the output pipeline at least comprises a smooth area pipeline and a falling area pipeline; the lower end of the falling area pipeline is a discharging end, and the falling area pipeline is provided with a deceleration buffer area; and a group of friction buffer parts are distributed at the deceleration buffer area from top to bottom at intervals, and the inner cross-sectional area of each friction buffer part is smaller than that of other positions of the falling area pipeline. According to the scheme, a conveyed object continuously makes contact with the multiple friction buffer parts to be continuously decelerated, the falling speed of the conveyed object is reduced to a low range in a layer-by-layer friction mode, impact in the speed reduction process can be effectively reduced through layer-by-layer friction, the problem of blood sample abnormity caused by too high falling speed is also avoided, furthermore, the speed of the conveyed object during output can be effectively reduced, the object is prevented from falling into a material receiving container to cause overlarge impact, and the safety of the container and samples is ensured.

The invention discloses an integrated cloud storage system and a storage method thereof. The system comprises a central processing system, a cloud storage unit and a client; the central processing system is in two-way connection with the client in a wireless manner; the cloud storage unit is in bidirectional connection with the central processing system in a wireless mode, if a user selects a private storage mode, information is stored in the corresponding private storage module, and the output end of the client is electrically connected with the input end of the identity verification module through a wire. The invention relates to the technical field of cloud storage. According to the integrated cloud storage system and the storage method thereof, a storage mode is selected before information storage; private stored information is automatically encrypted and cannot be leaked, public stored information does not need to be actively sent by a user and can be checked by others, so the information sharing simplification is achieved, operation is convenient, practicability is improved, stored content can be backed up in real time, information loss is prevented, and reliability is improved.

The invention discloses a conveying object distribution device, a pneumatic sending system and a sample container sending method. According to the conveying object distribution device, a distribution mechanism is arranged to be connected with a plurality of sending assemblies and cache conveying pieces, the distribution mechanism is provided with a discharging sliding way for receiving the conveying objects at the conveying position of the cache conveying piece and at least two material guiding sliding grooves, the lower end of each material guiding sliding groove is in communication with an inlet of one sending assembly, the distribution mechanism is further provided with a structure for recognizing the length of the conveying objects at the discharging sliding way, and according to the recognized length of the conveying objects, the conveying objects at the discharging sliding way are transferred into the material guiding sliding grooves corresponding to the conveying objects with the lengths through a transferring mechanism, so that the conveying objects with the different lengths enter the different sending assemblies to be sent in a classified mode, and the requirement for sending the conveying objects with the different lengths in a classified mode is effectively met.

The invention discloses a water cup assembly, a cleaning assembly and a range hood. The water cup assembly comprises a water cup, an ejection rod and an elastic part, wherein the water cup is provided with a cavity, and the side wall of one side of the cavity is provided with a first communicating opening communicated with the cavity; the first end of the ejection rod penetrates through the first communicating opening to extend into the cavity to seal the first communicating opening; the elastic part frequently pushes a second end to move towards a direction far away from the water cup; and when the ejection rod is pushed into the water cup through external force, the cavity is communicated with the first communicating opening. According to the water cup assembly for the range hood, the second end of the ejection rod is frequently pushed to move towards the direction far away from the water cup by utilizing the elastic part, so that the first end of the ejection rod seals the first communicating opening; when the second end of the ejection rod is pushed to move into the water cup through the external force, the cavity is communicated with the first communicating opening. Thus, the self sealing of the water cup can be realized, and the persistence and reliability of the sealing effect of the water cup assembly are enhanced.

The invention discloses an on-site joint coating installation method used for a polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe. Hot-melt welding of a traditional joint coating plate and hot-melt welding of an outer protective pipe of an elastic sealing contraction band cannot improve the connecting quality, consequently, problems that foaming at a pipeline joint is uneven, and the heat preservation effect is low are causes, welding of the outer protective pipe is not firm, water seepage occurs, and pipeline heat energy loss and medium temperaturedrop are caused. The method comprises the following composition of a steel pipe A (4), the joint coating end faces of the steel pipe A (4) and a steel pipe B (2) are fixed through welding, a polyurethane foaming agent is uniformly sprayed on the exposed steel pipe A and the exposed steel pipe B at 360 degrees, after polyurethane is cured for 10 minutes-30 minutes, a polyurethane heat preservationlayer is formed, a polymer liquid elastic material is uniformly sprayed on the 360-degree surface of the polyurethane heat preservation layer by adopting a high-pressure liquid spray gun, the sprayingthickness is 1mm-20mm, the surface forming time after spraying is shorter than 60 seconds, the curing forming time is within 1 hours-24 hours, and the outer protective pipe is made of the polymer liquid elastic material. The invention relates to the on-site joint coating installation method used for the polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe.

The invention discloses a pressure self-balancing reaction kettle, which comprises a kettle body, a sampling pipe, a pressure relief valve and a motor bracket are fixed on the top of the kettle body, a stirring motor is fixed on the motor bracket, and the rotating shaft of the stirring motor is coupled through the motor The device and the stirring mechanism are fixedly connected; the pressure relief valve includes a movable body and a fixed body, the outer wall of the movable body is provided with a snapping part 1, the outer wall of the fixed body is provided with a snapping part 2, and the fixed body is inserted into the inside of the movable body , the snap-fit ​​part 1 and the snap-fit ​​part 2 are snap-fitted, and the inside of the fixed body and the movable body are also connected by tension springs; the fixed body is provided with an air intake pipe, and the end of the air intake pipe is fixedly connected with the connecting flange. The connection method The blue is further connected with the kettle body, the interior of the fixed body is fixed with a hollow bracket, the air inlet pipe passes through the hollow bracket, the upper end of the hollow bracket is welded with a fixed plate, the upper end of the fixed plate is fixedly connected with a storage frame, and the upper end of the storage frame is provided with a Multiple guide rods.

The invention discloses a full anonymous feedback method based on a block chain, which comprises the following steps that: 1) a feedback person submits an answer sheet, a system writes answer sheet information into an intelligent contract, and adds a random number uuid to generate m; 2) the feedback person blinds the m and sends the m to an organizer; 3) the organizer obtains the blinded information m ', signs the m' after confirmation to obtain s', and returns the s' to the feedback person; 4) the feedback person verifies the validity of the s' to the intelligent contract; 5) if the s' is verified to be valid, the feedback person removes blindness of the s' to obtain s, a new address is randomly generated, and uuid, m and s are sent to the intelligent contract; if the s' check is invalid,the step 2) is executed; 6) the smart contract verifies s, m and uuid, invalid results are filtered, and if s is valid and uuid is not repeated, the answer sheet is valid, and 7) the organizer inquires a feedback result from the smart contract. According to the method, it is ensured that the information of the feedback person is not leaked, the feedback person truly has the feedback right, the one-ticket multi-investment phenomenon is prevented, and the method is a set of anonymous guarantee process.

The invention relates to the technical field of cloud services, and discloses a request processing and feedback method and device, computer equipment and a readable storage medium, and the method comprises the steps: arranging a preset business model to obtain a kernel module, constructing a URL path of the kernel module, and recording the URL path in a preset adaptation module; receiving a request message sent by a client, and performing adaptation processing on the request message to obtain a URL path; calling a kernel module corresponding to the URL path to operate the request message to obtain stage information; and summarizing and arranging the stage information to obtain feedback information, and sending the feedback information to the client. The invention further relates to a block chain technology, and information can be stored in a block chain node. According to the method, a large number of development resources do not need to be consumed, service models in the kernel module are convenient to increase, decrease and modify due to self-definition of service orchestration, and the situation that a large number of codes are written to achieve the kernel module is avoided.

The invention discloses a silage pool capable of preventing bottom silage from mildewing and a construction method of the silage pool. The silage pool comprises a silage pool body and a drain pipe, wherein a sand layer, a plastic film and a hay layer are paved at the bottom of the silage pool body from bottom to top sequentially, a fluid collecting tank is arranged on one side of the bottom of the silage pool body and communicated with the drain pipe, and through holes overspreading the film surface are formed in the plastic film. Silage and a silage fluid are rapidly separated by the hay layer, the plastic film layer and the sand layer, the condition that bottom silage is soaked by the silage fluid in the ensiling process is avoided, mildewing of the silage at the bottom of the silage pool body is effectively prevented, besides, the upper part of the silage pool body is sealed, moreover, the only drain pipe communicated with the outside is also covered with the sand layer, the sand layer can better guarantee sealing of the silage pool body, the sealing effect is good, the structure is simple, long-stem storage of silage is guaranteed, mildewing of the silage is avoided, safety guarantee is provided for food for feeding domestic animals, and the silage pool has the characteristics of low cost and convenience in operation.

The invention discloses a tunnel waterproof system. The tunnel waterproof system comprises waterproof plates, wherein each waterproof plate comprises a plate body and a connecting part; a water passing channel is formed in each waterproof plate or adjacent waterproof plates can be combined to form the water passing channel; the water passing channel is used for collecting leaked underground water;the water passing channel is provided with a water passing early warning device; and the water passing early warning device can be used for transmitting water passing information to the outside. Thetunnel waterproof system provided by the invention can be used for carrying out early warning at the early stage of leakage, so that maintenance can be carried out in time, and serious loss caused byscouring, erosion and damage of underground water leakage to tunnel engineering is prevented.