89results about How to "Easy to embed" patented technology

The application discloses a kind of unmanned plane flight plan pre-dispatching tool and method, wherein the tool includes: information input module, target constraint generation module, dispatching model establishment module, dispatching scheme generation module and dispatching scheme release module;The unmanned plane flight plan pre-dispatching method is realized using the above tool, including the following steps: step 1, receiving various information;Step 2, generating the target constraint of unmanned plane flight plan pre-dispatching;Step 3, establishing the target planning model of unmanned plane flight plan pre-dispatching;Step 4, solving the generation of unmanned plane flight plan pre-dispatching scheme;Step 5, release scheme, complete the unmanned plane flight plan pre-dispatching.The application provides implementation tool and technical basis for low-altitude flight service, urban air traffic management, unmanned plane command control.

The utility model discloses a wire feeding positioning mechanism of a mesh welding machine. The wire feeding positioning mechanism comprises a wire feeding positioning device, the wire feeding positioning device is composed of a workbench and a leveling mechanism, a plurality of sets of first wire feeding mechanisms, second wire feeding mechanisms and third wire feeding mechanisms are arranged on the upper side of the workbench, and lifting mechanisms are installed at the bottom ends of the first wire feeding mechanisms, the bottom ends of the second wire feeding mechanisms and the bottom ends of the third wire feeding mechanisms correspondingly. The lifting mechanism is composed of a telescopic rod, a top plate and a guide rod, the bottom end of the guide rod is installed on the upper side of the top plate, and the bottom end of the top plate is installed at the bottom end of the telescopic rod. In the wire feeding process, the first wire feeding mechanism, the second wire feeding mechanism and the third wire feeding mechanism are selected according to the number of welding steel wires, and after determination, the lifting mechanism drives the first wire feeding mechanism, the second wire feeding mechanism or the third wire feeding mechanism to move upwards; and the steel wire is limited through the first wire feeding mechanism, the second wire feeding mechanism or the third wire feeding mechanism.

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

A broadband voltage transformer error compensation method is proposed. First, a broadband test platform is constructed using a signal generator, power amplifier, standard voltage transformer, and high-bandwidth data acquisition system. The ratio and phase errors of the transformer at multiple frequency points are acquired through primary-side excitation and secondary-side synchronous acquisition. Based on the slope, first derivative, and second derivative characteristics of the error curve, the entire frequency band is adaptively divided into segments. Within each segment, multiple candidate models are fitted using a polynomial or exponential-linear combination model. The optimal model is selected based on the coefficient of determination, mean absolute error, and root mean square error. Ratio and phase error compensators are constructed based on the fitting functions of each segment, and error compensation is achieved using a feedforward approach. This method can significantly reduce amplitude and phase errors over a wide frequency range, improving the dynamic measurement accuracy of the voltage transformer.

The utility model discloses a kind of deformation self-adapting anti-seepage structures of embankment linking section, including embankment, embankment crossing building, the side pier both sides of embankment crossing building located in embankment are provided with concrete spur wall, concrete spur wall outside and intermediate position are reserved with notch, flat plate type plastic steel sheet pile is horizontally inserted into notch and is set, the undisturbed soil layer of embankment is formed with undisturbed soil layer by in-situ mixing, wave type plastic steel sheet pile is horizontally inserted into undisturbed soil layer by in-situ mixing, flat plate type plastic steel sheet pile and wave type plastic steel sheet pile are flexibly linked to form composite anti-seepage structure type by using lock catch, can solve linking section leakage problem, improve engineering full life cycle safety, with deformation coordination, construction controllability and anti-seepage reliability and other technical features.

The application provides a watermark embedding and extracting method, device, equipment, storage medium and product. The watermark embedding method comprises: performing block processing on an image to be embedded with a watermark to obtain a plurality of image blocks, wherein the plurality of image blocks comprise a first number of first image blocks and a second number of second image blocks, and target feature parameters of the first image blocks and the second image blocks are different; performing transformation processing on the plurality of image blocks respectively to obtain transformation domain features of the plurality of image blocks, wherein the transformation domain features comprise a low-frequency subband and a plurality of high-frequency directional subbands; and based on the transformation domain features of the plurality of image blocks, watermark information is embedded into target low-frequency subbands of the first number of first image blocks and target high-frequency directional subbands of the second number of second image blocks to obtain an image containing a watermark.

This application provides a method and related equipment for preprocessing game trajectory data. The method includes: converting game trajectory data into a first grid sequence; merging high-frequency adjacent grids in the first grid sequence to calculate a second grid sequence; extracting embedding vectors from the second grid sequence to calculate an embedding vector sequence; and using the embedding vector sequence as a training set input to a deep learning model. This application's embodiment, by converting game trajectory data into a first grid sequence, merging high-frequency adjacent grids in the first grid sequence, and then extracting embedding vectors from the second grid sequence, can capture the prior influence of environmental factors on trajectory distribution and the potential contextual semantic information in the trajectory, achieving effective compression of long trajectory data.

The utility model discloses a kind of anchor jaw formula open hole lateral drilling whip-lay, it includes the guide inclined surface of being equipped with guide inclined body, guide inclined body is connected with central rod, the lower part of central rod is sequentially connected with the center tube equipped with anchor jaw retraction mechanism and the guide shoe equipped with ball-throwing press mechanism in proper order;Anchor jaw retraction mechanism is mainly composed of anchor jaw and piston, anchor jaw installed in center tube is connected with connecting pin through connecting rod installed in piston, piston and limit ring are installed in the outer sleeve connected with center tube;Ball seat is provided in ball-throwing press mechanism, and the sealed ball is seated on ball seat. The whip-lay in the utility model greatly improves the vertical anchoring force to open hole well wall. In open hole lateral drilling construction, the construction mode of cement plug as vertical support is avoided, and the whip-lay is directly used for lateral drilling, and the construction efficiency of open hole lateral drilling well and multi-lateral drilling well can be greatly improved.

The invention provides a multi-dimensional vibration platform with oppositely-arranged double-sandwich piezoelectric actuators and an excitation method of the multi-dimensional vibration platform, and belongs to the technical field of high-frequency vibration engineering and micro-nano machining.The vibration platform comprises a center platform, the two oppositely-arranged piezoelectric actuators, two end covers and two bolts, wherein the center platform is integrated with the tail end platform, the two flexible hinges and the two amplitude-change poles, and the center platform is slender and is in mirror symmetry about the longitudinal symmetry plane of the tail end platform. The piezoelectric actuator comprises a longitudinal vibration ceramic group, a bending vibration ceramic group around the Y axis and a bending vibration ceramic group around the Z axis, translation along the X / Y / Z axis and rotation around the Y / Z axis can be realized through in-phase or anti-phase excitation different combinations under the condition of not increasing extra driving channels, and five-degree-of-freedom high-frequency micro-vibration output can be achieved at most. The structure has high symmetry, low parasitic vibration, compact size and high integration, and is suitable for precise engineering scenes such as micro-nano processing, laser-assisted manufacturing, cell manipulation and active vibration suppression.

This invention provides a bracket, a heat exchange component, and an air conditioner. The bracket is disposed on a heat exchanger and is used to fix the sterilization component. The bracket includes: a first bracket; a second bracket; and a connecting rod, which includes a first end and a second end, the first end being connected to the first bracket and the second end being connected to the second bracket. The first bracket is used to rotate around the first end, and the second bracket is used to rotate around the second end. The problem solved by this invention is how to make the sterilization bracket usable in different models of air conditioners. Compared with the prior art, the technical effect achieved by this invention is that by rotating the first and second brackets, the overall length of the bracket is changed, thereby enabling the bracket to adapt to different models of air conditioners.

The utility model provides a fruit and vegetable fresh-keeping device, which relates to the technical field of fresh keeping and comprises a device body. The device body is provided with a fruit and vegetable preservation box, an embedding groove is formed in the top end face of the fruit and vegetable preservation box in a surrounding mode, stress plates are arranged on the tops of the middles of the left end face and the right end face of the fruit and vegetable preservation box, and semicircular heads with front-back through holes are arranged on the tops of the stress plates of the fruit and vegetable preservation box. A left-right through limiting groove is formed in the middle of the end face of the top of a stress plate of the fruit and vegetable preservation box, a sealing air bag strip is embedded into an embedding groove of the fruit and vegetable preservation box, and the whole sealing air bag strip is of a rounded-corner frame-shaped tubular structure, so that the sealing air bag strip is conveniently embedded into the embedding groove of the fruit and vegetable preservation box; the sealing airbag strip can be conveniently extruded through the insertion strip of the fruit and vegetable fresh-keeping cover to achieve sealing, and the problems that due to the fact that the sealing strip of the fresh-keeping box is of a solid type, the stress deformation capacity of the sealing strip is poor, the sealing performance of the fresh-keeping box is prone to being affected, and the sealing strip is inconvenient to be arranged to be of a hollow airbag type to improve the deformation sealing effect are solved.

This invention discloses a composite anti-rotational offset method for a wireless power transmission system for underwater vehicles, including an anti-rotational offset coupling mechanism and an anti-rotational offset power stabilization control strategy. The anti-rotational offset coupling mechanism includes two transmitting coil groups and one receiving coil group. The receiving coil group has a ring structure, consisting of six segmented coils connected in series, with adjacent coils having opposite winding directions. The first and second transmitting coil groups each consist of two coils connected in series, with the two transmitting coils in the same group having the same winding direction. The anti-rotational offset power stabilization control strategy achieves stable output power control by real-time acquisition of output power, calculation of the output power change rate, and adjustment of the phase angles of the two inverters. The first inverter drives the first transmitting coil group, and the second inverter drives the second transmitting coil group. This invention improves the system's rotational offset tolerance and achieves stable output power transmission under different rotational offset angles.

The utility model discloses a light protective wrister, which belongs to the technical field of wristers, and comprises a wrister main body and a medicine bag mounting mechanism, the wrister main body consists of a protective inner ring and an outer bandage, the outer wall of the protective inner ring is provided with a groove, one end of the outer bandage is fixedly connected to the inner wall of one side of the groove, and the medicine bag mounting mechanism is arranged on the wrister main body. The wrist guard body is used for installing and fixing the medicine bag, the wrist guard body is composed of the protection inner ring and the outer binding band, the protection inner ring is close to the wrist of a user, the outer binding band can conveniently adjust the tension degree of the protection inner ring to a certain degree, the use effect of the wrist guard body is improved, and the groove in the protection inner ring facilitates embedding of the outer binding band. A rehabilitation medicine bag can be conveniently installed on the wrist support body through the medicine bag installation mechanism, the wrist of the user can be treated through the installed rehabilitation medicine bag, and the functionality of the wrist support body is improved.

The present application relates to gold mark implant technology field, disclose a pure gold gold mark implant with positioning features, including at least two markers, through gold mark injector to mark injection;Connecting line is collagen chain, fixed pattern, arranged on the marker, when the marker is located in the target tissue, the target tissue extrudes the fixed pattern, so that the marker can be fixed in the target tissue;The fixed pattern includes a fixed part opened on the marker;Wherein the left view of the marker is a circular structure, wherein two mutually perpendicular axis sections in the marker divide the plan view of the marker into four regions, wherein the fixed part is located in the above region, by setting the limiting groove in the pure gold gold mark, connecting line, mushroom-shaped third fixed part and the structure of multilayer groove, further make the human tissue can enter to cooperate with the barb to realize the fixation work of gold mark implant, avoid the displacement of implant position.

The invention relates to the technical field of semiconductor thermocompression bonding, in particular to a chip and wafer coaxial alignment device, thermocompression bonding equipment and a method. In order to solve the problem of low alignment precision of a chip and a wafer in the prior art, the invention provides a novel coaxial alignment device for the chip and the wafer, which comprises a heat insulation shell hoisted on a three-axis moving platform, a first camera, a first lens group, a first light source, a first horizontal beam splitter, a second lens group, a second camera, a third lens group, a second light source, a second horizontal beam splitter, a fourth lens group and a vertical beam splitter are arranged in the heat insulation shell, and an upper window and a lower window are arranged on the heat insulation shell. The coaxial alignment device for the chip and the wafer is designed and arranged between the chip and the wafer, real-time collection of a chip image and a wafer image is completed through ingenious design of an upper light path and a lower light path, and high-precision coaxial alignment of the chip and the wafer is achieved.

The invention discloses a liquid metal battery module active equalization device and a control method, and the device comprises an equalization controller which is used for controlling the selection of equalization channels, combining a plurality of adjacent batteries with the same SOC into a battery segment, and taking the battery segment as a basic unit for active equalization control; performing charging equalization on each battery section, selecting a group of non-adjacent battery sections as active equalization of the current round, and ending active equalization of the current round when the battery section with the maximum SOC in the selected basic unit for equalization is charged to the maximum SOC value of the single battery in the series battery module; updating the SOC of each single battery in the current series module, and repeating the battery segment merging and battery equalization operations until the SOC of each single battery in the battery module is equal; the charger is used for charging the battery segments. The equalization device disclosed by the invention can solve the problems of difficulty in series module equalization and low efficiency caused by inconsistency of high-capacity liquid metal batteries.

The application provides an organic-solvent-resistant nanofiltration membrane containing an active intermediate layer and active nanoparticles and a preparation method thereof, and belongs to the technical field of nanofiltration membranes. The organic-solvent-resistant nanofiltration membrane provided by the application comprises a support layer and a polyamide separation layer located on the surface of the support layer; the support layer is a polyimide ultrafiltration membrane base film; the polyamide separation layer is a modified polyamide layer; the modification method is modification by adding an intermediate layer and an additive; the intermediate layer is polydopamine / polyethyleneimine; and the additive is aminozed attapulgite nanoparticles. The polydopamine / polyethyleneimine and aminozed attapulgite are used in synergistic action to prepare the organic-solvent-resistant nanofiltration membrane, so that the organic-solvent-resistant nanofiltration membrane has high permeation flux and high retention rate.

A slow-release composite fiber membrane for encapsulating passion fruit peel flavonoids by electrospinning and its preparation method are disclosed. The composite fiber membrane is prepared by coaxial electrospinning and consists of a core layer and a shell layer. The core layer is a carrier solution containing passion fruit peel flavonoids, and the shell layer is a biodegradable polymer solution. The composite fiber membrane has an encapsulation rate of ≥85% for passion fruit peel flavonoids and possesses antioxidant and slow-release properties. Chitosan, gelatin, zein, and β-cyclodextrin are used as spinning wall materials, and passion fruit peel flavonoids extracted by DES method are used as the functional core material. Efficient encapsulation, controlled release, and stabilization of flavonoids are achieved through coaxial electrospinning. This invention solves the problems of easy oxidation, photothermal instability, poor water solubility, and low bioavailability of flavonoids.

The utility model relates to the field of buildings, in particular to a large-span structure metal roof anti-tripping anchoring connecting device which comprises a bottom layer support, a suspended ceiling layer and a dustproof layer are sequentially installed on the top of the bottom layer support from bottom to top, and a plurality of main purlins are transversely installed on the top of the dustproof layer at equal intervals. The supporting plates are jacked up through the telescopic pieces, so that the metal roof, the heat preservation layer and the waterproof layer are tightened, gaps caused by aging are avoided, the service life of the metal roof can be prolonged, vibration of the metal roof can be avoided, the matched connecting plates are installed to penetrate through the matched installing grooves, the limiting effect can be achieved, the supporting plates are prevented from shaking, and the service life of the metal roof is prolonged. Meanwhile, the metal net is matched to cover the bottom of the T-shaped fixing support so that the fixity can be improved, then the non-woven fabric can well prevent water, and the situation that the connecting position rusts is delayed.

The utility model relates to the bumper for vehicle belongs to the technical field of automobile accessories, including strength layer and beautiful layer, its characterized in that, strength layer and beautiful layer are connected through fixed bolt, the one end of beautiful layer towards strength layer is equipped with a plurality of fixed column, is equipped with the fixed part with fixed column on strength layer, is equipped with the fixed cavity for the fixed column intercalation on fixed part, the fixed through -hole for the fixed bolt is set up and is equipped with on fixed part, is equipped with the fixed screw hole with fixed bolt screw thread cooperation on fixed column, still be equipped with a plurality of positioning inlay piece on beautiful layer, is equipped with the positioning inlay groove for the positioning inlay piece intercalation on strength layer through -going. The application has the effect of improving the assembly efficiency of automobile bumper.

The invention relates to a carrier for realizing long-acting controlled release of cinnamyl aldehyde based on synergism of bacterial cellulose and polylactic acid, a preparation method of the carrier and application of the carrier in fresh keeping of fruits and vegetables, and the preparation method comprises the following steps: firstly, placing the bacterial cellulose in a deep eutectic solvent system containing citric acid, glycerol and choline chloride, and heating for reaction to obtain CABC; then, the CABC is placed in an activation system containing the 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and the N-hydroxysuccinimide, and CABC-ONH2 is obtained; then, the CABC-ONH2 and cinnamyl aldehyde are subjected to an oximation reaction, and CABC / CIN is obtained; and finally, mixing CABC / CIN with polylactic acid to form a film, so as to obtain the bacterial cellulose / polylactic acid synergistic cinnamyl aldehyde long-acting controlled release carrier. Compared with the prior art, initial burst release of CIN in the degradable carrier is effectively reduced, and the release stability and activity retention rate in the middle and later periods are improved; the cooperative processing suitability with PLA is improved; the antibacterial and antioxidant effects are simultaneously realized in the fruit and vegetable fresh-keeping application.

This utility model provides a tool for quickly cleaning the passage of a double-chamber kiln, belonging to the technical field of maintenance equipment for double-chamber lime kilns. It includes a shovel handle, with a shovel head connected to the front end of the handle. The shovel handle has a cavity extending through it along its axial direction. The shovel head includes a flat shovel plate and a rear side plate vertically disposed at the rear edge of the shovel plate. The middle part of the rear side plate is fixedly connected to the front end of the shovel handle, and the middle part of the rear side plate also has a round hole that communicates with the cavity of the shovel handle. This utility model solves the technical problem that traditional iron rods are difficult to embed into hard nodules to form an effective point of force, and that cleaning nodules is time-consuming, laborious, and inefficient.

This utility model discloses a water-diverting structure for backfill surfaces, belonging to the field of waterproofing and water-diverting technology. It includes a recessed groove with two ends, one of which is a drainage end; the bottom of the other end is higher than the bottom of the drainage end. This utility model addresses the problems of difficult construction of drainage channels on foamed cement surfaces in bathrooms and the non-standard structure of the drainage channels.

The present application relates to the technical field of connecting piece, in particular to an extrusion type reinforcing steel bar connecting joint and a using method, the connecting joint comprises a sleeve, a plastic extrusion piece and a rigid extrusion piece, the plastic extrusion piece is sleeved on two pieces to be connected, and the rigid extrusion piece is arranged at the end of the plastic extrusion piece; the sleeve is sleeved on the outer periphery of the plastic extrusion piece; an extrusion groove is reserved in the sleeve; the plastic extrusion piece can be deformed under the extrusion of the rigid extrusion piece and fill the extrusion groove, so that the relative fixation of the two pieces to be connected is realized. The connecting joint can realize the simple and efficient connection of the two pieces to be connected, improve the work efficiency, protect the construction environment, and promote the safety and quality level of on-site construction.

The invention discloses a high-robustness lossless high-capacity audio watermark embedding method based on deep learning, and relates to the technical field of digital watermarking. The method comprises the following steps of audio-watermark information preprocessing, watermark information embedding and watermark embedding detection and judgment. According to the method, the original audio and the watermark information to be embedded are correspondingly preprocessed, so that the quality of the original audio and the watermark information is effectively improved, the subsequent embedding process is more efficient and accurate, then the preprocessed audio and watermark information are input into the audio embedding network to output the watermark audio, and the watermark embedding efficiency is improved. According to the method, high-capacity watermark information is embedded, audio distortion in the embedding process is effectively avoided, the quality of the embedded audio is guaranteed, finally, the stability and the anti-jamming capability of the embedded watermark can be effectively detected by introducing adversarial training attack simulation, the audio distortion is reduced to the maximum extent while the watermark capacity is guaranteed, and the watermark quality is improved. And the anti-interference capability of the watermark is improved.

This invention discloses a method and system for predicting the health status of lithium batteries under varying operating conditions. First, key operating condition features such as energy recovery power, energy recovery current, equivalent power, average discharge current, and equivalent current are extracted based on historical battery data, and parameters of a decay relationship model between health status and equivalent cycle count are fitted. Second, a Gaussian process regression model is trained using early data to learn the mapping relationship between operating condition features and decay parameters. Then, by combining real-time monitoring and external information, future energy recovery power, average discharge power, and equivalent power are predicted, and corresponding current feature sequences are derived. Finally, the predicted future operating condition features are input into the trained model to obtain predicted decay parameter values, achieving accurate prediction of future health status. This invention significantly improves the accuracy, adaptability, and foresight of health status prediction under varying operating conditions by integrating battery physical models and data-driven methods and introducing future operating condition prediction.

The application discloses modified tricobalt tetraoxide and a preparation method and application thereof, and belongs to the technical field of battery materials. The modified tricobalt tetraoxide is doped with rare earth elements and aluminum simultaneously; the total doping amount of the rare earth elements is not more than 0.5% in terms of mass percentage; and the doping amount of the aluminum is not more than 1.2%. The modified tricobalt tetraoxide has a relatively compact structure and high mechanical strength, is not easy to be broken during calcination, and has no surface floating powder phenomenon, so that the electrochemical performance of downstream product lithium cobaltate positive electrode material is improved.

The utility model discloses a noise-reduction wear-resistant steel ball, which relates to the technical field of wear-resistant steel balls, and comprises a steel ball body, a limiting groove is arranged on the surface of the steel ball body, a wear-resistant layer is fixedly connected in the limiting groove, an internal noise-reduction structure is fixedly connected in the steel ball body, and the wear-resistant layer is fixedly connected in the internal noise-reduction structure. The internal noise reduction structure comprises a filling cavity and a filling layer in the filling cavity. The effect of keeping the overall strength of the steel ball is achieved through the honeycomb-shaped filling cavities, in actual use, the compression strength loss of the steel ball is smaller than 5%, the steel ball body has good stability, the effect of absorbing vibration energy is achieved through the filling layer made of the composite damping material, and the service life of the steel ball is prolonged. And therefore, the steel ball body has a good noise reduction effect.

The utility model discloses an upper die cutter structure of a control panel, which comprises a steel plate and a cutter, the lower end face of the steel plate is provided with a strip-shaped groove, the cutter is square, the strip-shaped groove is enclosed to be square, the bottom end of the cutter is embedded into the strip-shaped groove, the upper part of the cutter exceeds the end face of the steel plate, the upper part of the cutter is a cutting part, and the cutting part is provided with a cutting groove. The two sides of the cutting part are a first side face and a second side face respectively, and the first side face and the second side face are obliquely arranged. A strip-shaped groove is formed, so that the cutter can be conveniently embedded into the strip-shaped groove to be fixed, and the cutter is convenient to mount; through inclined arrangement of the first side face and the second side face of the cutting part, when the size of the cutter needs to be adjusted after the cutter is installed, milling cutter processing can be conducted on the corresponding edge of the cutter, the size of the cutter can be adjusted inwards or outwards within a certain size range, and when the control panel is finally cut, the cutting efficiency of the control panel is improved. The cutting precision of the cutter is improved, fine adjustment of the cutter can be achieved after installation, and the yield of products is further improved.

The application provides a water meter shell detection device, and belongs to the technical field of detection devices. The device solves the problem of low detection precision of the inner contour of the existing water meter shell. The water meter shell detection device comprises a support plate which can be connected to a seat body and abuts against the outer wall of the seat body. The detection device further comprises a detection plate which is inserted into the support plate and can be embedded into the inner cavity of the seat body from the opening. The detection plate abuts against the lower side of the support plate. The outer side wall of the end of the detection plate embedded into the seat body is provided with a U-shaped clamping strip. The detection plate is provided with a U-shaped sealing ring on the clamping strip. The sealing ring can be embedded into a sealing groove, and the outer side wall of the sealing ring is attached to the sealing groove. The detection device further comprises a limiting plug plate which is provided with an insertion arm. One end of the detection plate protrudes from the support plate and is provided with a bayonet on the end. The limiting plug plate is placed on the support plate. The water meter shell detection device can detect water meter shells of different sizes, and improves the practicability of the detection device.