32results about How to "Increase optionality" patented technology

The present invention provides a vehicle-road cooperative control method, device, equipment and readable storage medium, including: when the distance from a bus to a target station is less than a preset distance, if the number of passengers getting off the bus at the target station is zero, obtaining the number of passengers getting on the bus at the target station; determining the theoretical time for the bus to enter and exit the target station according to road condition information; determining the theoretical number of passengers getting on the bus according to the theoretical time; detecting whether the number of passengers getting on the bus at the target station is less than the theoretical number of passengers; if the number of passengers getting on the bus at the target station is less than the theoretical number of passengers, outputting a prompt that the bus does not stop at the target station; if the number of passengers getting on the bus at the target station is not less than the theoretical number of passengers, outputting a prompt that the bus stops at the target station. Through the present invention, the selectivity of passengers is increased, thereby improving the transportation efficiency of bus lines.

The utility model discloses an LED luminous fishing float, and belongs to the technical field of fishing gear supplies. An LED light-emitting float comprises a circuit board body and a control module, a connecting module is fixedly arranged on the circuit board body, the connecting module is electrically connected with the control module, and the LED light-emitting float further comprises a plurality of sets of LED lamps welded to the two faces of the circuit board body respectively. The circuit board body is fixedly arranged in the light guide strip; according to the luminous float, the plurality of groups of LED lamps are fixed on the transparent flexible printed circuit board, and then are packaged by the light guide strip made of transparent silica gel, so that on one hand, the luminous float can be repeatedly used, the utilization rate of the luminous float is improved, on the other hand, the luminous float is small in light source loss, uniform in brightness and light in weight, and the effects of miniaturization, lightness and thinness are realized; and the problems of light loss and non-uniform darkness caused by arrangement of light sources in a traditional light guide mode are also avoided, and the use experience is improved.

The utility model discloses a modular composite landscape paving system, relates to the field of outdoor landscape systems, and aims to solve the problems of poor selectivity and flexibility of existing permeable paving materials and non-permeable paving materials, and adopts the combination of a high-bearing-capacity non-permeable frame and a low-bearing-capacity permeable module for use. The non-permeable frame serves as a main bearing structure, the permeable module serves as a permeable structure, the requirement for water permeability and the requirement for bearing capacity can be met, and the selectivity and flexibility of construction are improved.

The application provides a postcard generation method and device, a vehicle and a storage medium, relates to the technical field of intelligent vehicles, and can generate a postcard related to a vehicle-mounted voice assistant according to the demand of a user, so as to improve the driving experience of the user. The method comprises the following steps: obtaining voice information of a vehicle user, and identifying a trigger word in the voice information; associatively expanding the identified trigger word to generate description information of a postcard; generating a picture of the postcard and text information matched with the picture according to the description information; generating the postcard according to the picture and the text information; and displaying the postcard on a vehicle-machine interface.

The invention discloses a distributed power generation system based on methanol fuel cells. The distributed power generation system comprises a plurality of distributed power generation subsystems; each distributed power generation subsystem comprises a methanol fuel cell module, a working parameter control module, a waste heat recovery management module, a cell cooling module and an energy storage management module; the methanol fuel cell module is electrically connected with the working parameter control module and the energy storage management module, and the methanol fuel cell module is further connected with the waste heat recovery management module and the cell cooling module through pipelines. The methanol fuel cell module is subjected to waste heat recovery and cooling temperature control through the waste heat recovery management module and the cell cooling module, so that the temperature control reliability and the cell operation stability are improved.

The invention discloses a low-temperature cavity rapid sample changing device, and relates to the technical field of low-temperature detection equipment, the low-temperature cavity rapid sample changing device comprises a detection cavity, a valve, a sample support and a locking mechanism, the detection cavity is provided with a sample transfer channel, a heat conduction seat is arranged in the detection cavity, the heat conduction seat is provided with a sliding groove, the valve is used for opening or closing the sample transfer channel, and the sample support is provided with a sliding block; the locking mechanism comprises two locking blocks, the two locking blocks can move oppositely in the sliding direction of the sliding blocks and get close to each other or get away from each other, and when the sliding blocks and the sliding grooves are in a sliding fit state, the locking blocks can move oppositely in the sliding direction of the sliding blocks. The two locking blocks get close to each other or get away from each other and are embedded between the sample support and the heat conducting seat to limit the sliding of the sliding block so as to realize locking, and the two locking blocks get away from each other or get close to each other so as to be separated from the sample support and the heat conducting seat so as to unlock the sliding block. The rapid sample changing device for the low-temperature cavity can greatly shorten the sample changing time and improve the sample changing efficiency.

The invention belongs to the technical field of rare earth and semiconductor raw materials, and discloses a method for purifying metal scandium through vacuum magnetic suspension clean smelting. The purification method comprises the following steps that a scandium metal material subjected to calcium thermal reduction is put into a vacuum magnetic suspension smelting furnace, vacuumizing is conducted firstly, then inert protective gas is introduced, electric heating smelting is conducted, after all the materials form a liquid state, refining purification is conducted through electromagnetic stirring and heat preservation, and after purification is completed, cooling is conducted to obtain a scandium metal ingot; and the obtained metal scandium ingot is repeatedly put into the vacuum magnetic suspension smelting furnace to be repeatedly smelted, refined and purified, and purified metal scandium is obtained after cooling. The purification method provides a new thought for preparation and purification of metal scandium, repeated distillation is not needed, and energy consumption is reduced. Carbon, oxygen, nitrogen, hydrogen, calcium, manganese, iron and the like can be removed, high-purity metal scandium can be prepared, and the purification method is high in treatment scale selectivity.

The application relates to a vehicle wheel speed signal processing device, method, system and vehicle, comprising a vehicle wheel speed signal processing device, which comprises a wheel speed sensor, a collection decomposition module and a control module; the wheel speed sensor is used for outputting a wheel speed signal; the collection decomposition module is used for collecting the wheel speed signal output by the wheel speed sensor and decomposing the wheel speed signal to obtain a decomposition processing signal; and the control module is used for analyzing the decomposition processing signal to obtain an analysis result and controlling the vehicle based on the analysis result. According to the technical scheme of the application, the collection decomposition module is built by replacing an integrated chip with discrete devices, the diagnosis, collection and processing of the wheel speed signal are realized, the use cost is reduced, and the selectivity is improved.

The grinding equipment comprises an equipment body, a limiting groove is formed in the position, close to the front face, of the inner side of the equipment body, the length of the inner side of the limiting groove is matched with the length of the side face of a lead screw, and the top of the inner side of the equipment body is movably connected with a bottom frame; a grinding wheel is movably clamped to the top of the bottom frame, a threaded rod is in bearing connection with the inner side of the limiting groove and is in bearing connection with the equipment body, a lead screw is in threaded connection with the outer surface of the threaded rod, a first bevel gear is fixedly connected to the bottom of the bottom frame, and a second bevel gear is meshed with the bottom of the first bevel gear. And the second bevel gear is in bearing connection with the inner side of the equipment main body. According to the polishing device, the clamping block and the limiting block are arranged, so that the whole polishing device is convenient to use, meanwhile, when the polishing device is used, the clamping block cannot be loosened when rotating polishing is carried out, use is convenient, and the overall stability is good.

The present application relates to a hardware-in-the-loop test method, device, computer equipment, medium and program product, which are applied to the field of automobile technology. The method includes: when a selection operation for hardware-in-the-loop test software is detected, a DBC file imported into the selected hardware-in-the-loop test software and test configuration data matching the selected hardware-in-the-loop test software are obtained; the DBC file includes multiple communication messages; based on the comparison results between the communication nodes in the multiple communication messages and the vehicle nodes to be tested, a target message matching the vehicle nodes to be tested is determined from the multiple communication messages, and the target message is configured based on the DBC configuration file and the system variable file matching the test configuration data to obtain test data; when the selected hardware-in-the-loop test software is run, the vehicle nodes to be tested are tested based on the test data. The use of this method can improve the test accuracy and test efficiency for the vehicle nodes to be tested.

The present invention belongs to the technical field of pharmaceutical preparations, and specifically relates to a nifedipine sustained-release tablet and a preparation method thereof. The nifedipine sustained-release tablet of the present invention contains 20g of nifedipine, 2-6g of tributyl acetyl citrate, 18-24g of povidone, 17-25g of microcrystalline cellulose, 10-16g of hypromellose, 3-7g of polyvinyl alcohol, and 1g of magnesium stearate per 1000 tablets. Among them, nifedipine exists in the form of a solid dispersion. The present invention provides a sustained-release tablet suitable for industrial production, which has stable drug release during placement and is bioequivalent to the original formulation, and a preparation method thereof.

The present application discloses a formation switching method, device, electronic device and storage medium for object grouping, the method comprising: receiving an object exchange instruction on a pattern matrix displayed in a game scene; exchanging the positions of a first pattern object and a second pattern object in the pattern matrix according to the object exchange instruction, and eliminating the pattern object when a predetermined number of pattern objects of the same type are connected after detecting that the positions of the first pattern object and the second pattern object are exchanged; adjusting the formation of the object grouping in the game scene according to the type of the eliminated pattern object, the object grouping comprising a plurality of virtual objects. By adjusting the formation of the object grouping in the game scene according to the type of the eliminated pattern object, the formation switching of the object grouping can be completed without touching the screen to select the plurality of virtual objects separately, thereby avoiding the need to click on a plurality of virtual objects during the formation switching process, which hinders the player's observation of the plurality of virtual objects.

The utility model discloses an air duct assembly and an air conditioner indoor unit. The air duct assembly comprises a shell, a centrifugal fan and a heat exchanger. The shell is provided with two air outlets formed in the height direction in a spaced mode. The centrifugal fan is arranged at the end of the air duct assembly in the length direction and comprises an outer volute, an inner volute and centrifugal fan blades. The inner volute is rotatably arranged in the inner cavity of the outer volute so that airflow exhausted by the centrifugal fan blades can flow to one of the two air outlets to change the air outlet position. The heat exchanger is located on the axial side of the centrifugal fan, and the length direction of the heat exchanger is parallel to the axis of the centrifugal fan. The motor used for driving the centrifugal fan can be placed on the axial side portion of the centrifugal fan, the compactness of the structure is further improved, the centrifugal fan can have the larger size under the condition that the overall size of the air duct assembly is small, the static pressure resistance of the centrifugal fan is high, the air outlet effect is improved, and the service life of the air duct assembly is prolonged. And the space occupation of the air conditioner indoor unit can be reduced.

The utility model belongs to the field of wind power generation technology, concretely relates to a kind of air cooling power module for reconstruction, including power unit frame, laminated busbar, IGBT module assembly, IGBT radiator, support capacitor array, IGBT drive board and alternating copper bar;IGBT radiator is fixed in power unit frame, and independent heat dissipation air cavity is formed by being respectively equipped with air inlet, air outlet air duct plate in upper and lower ends, IGBT module assembly is arranged in radiator base surface, and support capacitor array is fixed in heat inlet air cavity immediately adjacent to radiator air inlet entrance.This utility model can be compatible with installation net side, machine side different model IGBT device by optimizing structure layout, realize module generalization, reduce spare parts type and operation and maintenance cost;Support capacitor array is arranged at radiator air inlet, and the efficient heat dissipation of IGBT module and capacitor is realized simultaneously, reduce component temperature, prolong service life, simultaneously optimize laminated busbar and circuit layout, reduce stray inductance and electromagnetic interference, improve module operating stability and power density.

The utility model provides a stainless steel carrier rocket storage tank structure which comprises a storage tank shell and an end socket, the storage tank shell and the end socket form a sealed cavity, and the sealed cavity is used for storing propellants; the storage box shell comprises a storage box outer-layer shell and a storage box inner-layer shell, the storage box outer-layer shell is arranged on the storage box inner-layer shell in a sleeving mode, and a channel used for storing a low-temperature medium is formed between the storage box outer-layer shell and the storage box inner-layer shell so as to cool the storage box shell. According to the storage tank structure, the storage tank shell can be in a constant-low-temperature environment, and the mechanical property of the welding seam of the storage tank is improved.

The invention discloses an industrial algorithm construction and environment configuration method and system based on interactive programming, and the method comprises the steps: S1, creating an algorithm operation environment container, and configuring a corresponding operation environment according to a selected dependency file; s2, environment instance gateway registration is executed to the corresponding gateway based on the operation environment; s3, establishing connection between the registration gateway and the interactive programming tool, loading environment configuration corresponding to the operation environment, and initializing a dependency item; and S4, calling a business variable assignment according to an algorithm demand based on the environment configuration and the dependency item to execute industrial algorithm construction. The method has the advantages that the one-to-many relation between the algorithm and the environment is achieved, the service variable assignment is adjusted in a self-adaptive mode through the algorithm requirement, the algorithm development difficulty is lowered, meanwhile, the method is suitable for the configuration requirement of a user, and the applicability of the system is improved.

The invention discloses a Bluetooth data encryption method based on a 32-bit chip, and the method comprises the following steps: S1, determining an encryption and decryption key through a Bluetooth end and an external opposite end, encrypting the encryption and decryption key through employing a first safety storage key, and obtaining a first ciphertext, and storing the first ciphertext; s2, when the Bluetooth end receives the second ciphertext and transmits the second ciphertext to the MCU, the MCU reads the first ciphertext; s3, decrypting the first ciphertext through the first secure storage key to obtain an encryption and decryption key, decrypting the second ciphertext by using the encryption and decryption key to obtain a plaintext, and adding one to the use count of the first secure storage key; and S4, destroying the first secure storage key reaching the upper limit of the number of times of use, and generating a second secure storage key to encrypt the plaintext and the encryption and decryption key. According to the invention, the communication between the external Bluetooth module and the MCU and the processing security of the MCU after receiving the data can be effectively ensured, the key is prevented from being easily acquired, and the reverse analysis attack aiming at the embedded equipment can be effectively prevented.

The utility model discloses a kind of for fork truck lithium ion power supply and the combination of different form counterweight, belong to fork truck power system and counterweight assembly technical field, including lithium ion power supply module, counterweight mounting bracket, multiple counterweight modules and quick locking mechanism;Lithium ion power supply module is set to fork truck chassis rear portion, a pair of handle is fixedly connected on the lithium ion power supply module;Counterweight mounting bracket is fixedly connected on the lithium ion power supply module;Multiple counterweight modules have different mass specifications, and standardization interface is detachably connected with the counterweight mounting bracket.Compared with prior art, the utility model is used for fork truck lithium ion power supply and the combination of different form counterweight, and installation is flexible and convenient, can greatly improve installation efficiency, facilitate subsequent maintenance;High integration, make full use of space, can be used according to customer different use scene, increase the selectability of user, more suitable for multiple model lithium battery power supply use.

The utility model discloses a vehicle electronic visual field system and a vehicle comprising the same. The electronic visual field system for the vehicle comprises an image obtaining unit, the image obtaining unit is arranged on the outer side of the vehicle and used for obtaining external image information of the vehicle, and the obtained external image information of the vehicle comprises foresight information; the display unit is arranged at a cab of the vehicle; and the display unit is connected with the image acquisition unit to acquire the foresight information, and the foresight information is displayed on the display unit. According to the vehicle electronic visual field system and the vehicle comprising the vehicle electronic visual field system, the overall strength and safety of the vehicle can be improved.

The utility model discloses a network bridge system, which comprises a network bridge support and a network bridge, the network bridge support comprises a guide structure and a clamping structure, and the clamping structure and the guide structure are arranged at an interval along the extension direction of the guide structure. The network bridge comprises an inserting part and a clamping part, the inserting part is partially inserted into the guide structure, one end, close to the clamping part, of the part, inserted into the guide structure, of the inserting part abuts against the guide structure, and the clamping structure is clamped with the clamping part. According to the network bridge system provided by the utility model, the rapid installation of the network bridge and the network bridge bracket can be realized through the insertion of the insertion part of the network bridge and the guide structure of the network bridge bracket and the clamping of the clamping part of the network bridge and the clamping structure of the network bridge bracket. And in the dismounting process of the network bridge, the network bridge can be dismounted only by pulling out the network bridge inserted into the network bridge bracket along the guide structure. Therefore, the convenience of mounting and dismounting of the network bridge is effectively improved, and the maintenance efficiency of the network bridge is improved.

The invention belongs to the technical field of encryption, and provides an anti-quantum threshold encryption method and system, a trusted third party generates system parameters, uniformly and randomly generates a matrix, samples a secret vector and a noise vector, calculates a public key vector, and publishes the matrix and the public key vector as public keys; distributing a unique and public identification value to each authorized visitor, calculating a private key share of the authorized visitor, and sending the private key share to the authorized visitor; the data owner obtains a to-be-encrypted message and a public key and calculates a ciphertext, and the ciphertext comprises a first component and a second component; an authorized visitor participating in decryption reads the first component of the ciphertext, calculates a partial decryption value, and sends the identification value and the partial decryption value to the trusted third party; and when the trusted third party receives a partial decryption value not less than the threshold parameter, calculating a Lagrange coefficient, calculating an aggregation decryption value, decrypting the ciphertext, and sending an obtained result to an authorized visitor participating in decryption. According to the invention, the confidentiality of the message can be ensured.

The utility model discloses a power nickel-metal hydride battery which comprises an outer shell, the outer shell comprises a shell body with at least one face open and a sealing cover, a plurality of mutually independent cavities are formed in the outer shell through partition plates, and a battery cell is placed in each cavity. A positive collector plate and a negative collector plate of the battery cell penetrate out of the shell through a through hole in the sealing cover and form an electric connection structure outside, a glue injection groove is formed in the periphery of the electric connection structure of the sealing cover, and sealant is poured into the glue injection groove to seal the whole electric connection structure. The positive collector plate and the negative collector plate are led out of the shell to form an electric connection structure, each cavity is only provided with the through hole to be communicated with the outside, all the cavities are not communicated at all, the through holes are sealed in a sealant pouring mode, the connection and sealing technology is simple, special equipment is not needed, the input cost is low, connection is reliable, and the service life is long. The utility model has the characteristics of simple structure, high sealing performance, low failure rate and easiness in maintenance, and overcomes the technical problems of high process difficulty and low yield in the prior art.

The invention relates to a preforming method of a high-temperature alloy forge piece, which comprises the following steps: S1, blanking: S2, forming die forging, which comprises a working step I and a working step II; the method comprises the steps that firstly, a first tire mold is designed, an inner hole with the hole diameter gradually reduced from top to bottom is formed in the first tire mold, a forging stock is placed into the first tire mold to be subjected to upsetting, and then a forge piece is returned to a furnace to be subjected to heat preservation; step 2, designing a forming die II, forming an inner hole of which the hole diameter is gradually reduced from top to bottom in the forming die II, further arranging a step part which extends inwards at the bottom of the inner hole, placing a forming die bottom sheet on the step part, and transferring the forge piece into the forming die II for punching; s3, pre-rolling is carried out; step S4, ring rolling; and S5, solid solution treatment is conducted, specifically, the solid solution temperature of the forge piece is 1177 + / -14 DEG C, and then cooling is conducted. The method has the beneficial effects that the consistency of forge piece structure forming is improved, the forming precision of the forge piece is improved, the load of a tire mold is reduced, and the service life of the tire mold is prolonged.

Concentrated solution crystallizing equipment capable of continuously working comprises a box body, a liquid inlet, a liquid outlet, a liquid inlet, a liquid outlet and a liquid outlet, the bottom of the box body is an inclined surface bottom plate; a material shifting device is arranged above the inclined plane bottom plate; the material stirring device is arranged above the inclined surface bottom plate, and crystals separated out of the concentrated solution in the box body are stirred from the bottom to the top and then are discharged from the discharge hole; the box body is provided with a liquid level keeping mechanism, the set liquid level enables the bottom end part of the inclined plane bottom plate to be immersed in the concentrated solution, and the rear end part of the inclined plane bottom plate is exposed out of the liquid level; a temperature adjusting device is also arranged inside or outside the box body and is used for heating or cooling the concentrated solution in the box body so as to crystallize the concentrated solution. The equipment disclosed by the invention is high in operation automation degree and free from blockage risk.

The utility model relates to a total reflection liquid crystal screen and a front full-lamination light guide plate, the total reflection liquid crystal screen comprises a liquid crystal screen main body, a light guide plate and a cover plate, a first optical lamination adhesive layer is arranged between the light guide plate and the liquid crystal screen main body; a second optical fitting adhesive layer is arranged between one side, far away from the liquid crystal screen main body, of the light guide plate and the cover plate; and the second optical fitting adhesive layer is used for filling a light transmission area between the light guide plate and the cover plate. By arranging the second optical laminating adhesive layer, the whole-surface lamination of the light guide plate and the cover plate is realized, the possibility of existence of an air layer between the light guide plate and the cover plate is reduced, the possibility of mirror reflection of the total-reflection liquid crystal screen is reduced, the display definition of the total-reflection liquid crystal screen is improved, and the display effect of the total-reflection liquid crystal screen is improved.

The utility model discloses an anti-rotation riveting top cover structure, which comprises a post terminal, a polished aluminum sheet, lower plastic, a riveting aluminum block, upper plastic and a sealing ring, the riveting aluminum block is arranged on the peripheral side of the post terminal, the upper plastic is arranged between the riveting aluminum block and the polished aluminum sheet, the bottom of the polished aluminum sheet is abutted against the top surface of the lower plastic, and the sealing ring is arranged on the top surface of the lower plastic. A sealing ring is mounted at the bottom of the peripheral surface of the pole, an anti-rotation groove is formed in the bottom surface of the polished aluminum sheet and is of a rectangular pit structure, a positioning block is arranged on the top surface of the lower plastic, and the positioning block is matched with the anti-rotation groove; the utility model provides an anti-rotation riveting top cover structure which solves the problems that after a blind hole is punched in the back face of an existing smooth aluminum sheet, the front face of the existing smooth aluminum sheet is squeezed, so that raw materials are different in color and protrude, the different colors affect the follow-up code carving procedure, carved codes are not clear, and code scanning is abnormal.

The utility model discloses a hanging assembly applied to respiratory therapy equipment and the respiratory therapy equipment, the hanging assembly comprises a fixing part and a hanging part, the fixing part can be detachably installed on the respiratory therapy equipment, the hanging part is provided with a rotating part and a hanging part connected with the rotating part, and the hanging part is connected with the rotating part. The rotating part is rotatably mounted on the fixing part, so that the hanging part is provided with a storage position close to the respiratory therapy equipment and a hanging position far away from the respiratory therapy equipment, and when the hanging part is located at the hanging position, the hanging part can be connected with an external supporting structure to hang the respiratory therapy equipment. According to the hanging assembly, the breathing treatment equipment can be flexibly hung on non-planar supporting structures such as sickbed handrails and wall hooks through the rotatable hanging piece design, the breathing treatment equipment can be hung at a proper position in an environment without a placement condition, and the use convenience of a user is improved.

The utility model discloses a rounded corner anti-collision multi-layer buffering edge covering structure which comprises a silica gel body, an anti-collision edge is connected to the outer side of the silica gel body, a silica gel ring is connected to the anti-collision edge in an inserted mode, energy absorption strips are arranged at the two ends of the silica gel body, a fixing plate is installed on the inner side of the silica gel body, a fixing nail is connected to the fixing plate in an inserted mode, and the silica gel ring is connected to the silica gel ring in an inserted mode. The outer side of the anti-collision edge is connected with a protruding strip, the protruding strip is in an arc shape, a reinforcing silica gel nail is inserted into the silica gel ring, and the reinforcing silica gel nail and the silica gel ring are made of the same material. The anti-collision edges are arranged to be matched with the energy absorption strips, all-around anti-collision of the middle and the side edges can be achieved, the design of the energy absorption strips can effectively avoid the situation that the end of the silica gel body deforms in the same form for a long time, so that one point cracks, and the end of the silica gel body is overall broken, and the reliability of the device is improved; in addition, the arranged silica gel ring is matched with the reinforcing silica gel nail, the shock resistance can be freely selected, the selectivity is improved, and the use comfort is guaranteed.

The present invention relates to a method for measuring the real physical thickness of an LED evaporated coating layer. The measuring method comprises: (1) preparing a companion film; (2) preparing a film layer; (3) measuring the thickness of the film layer; (4) calculating a relative value; and (5) calculating the thickness of the film layer. The present invention realizes timely measurement of the real physical thickness of the evaporated coating layer on the surface of a single batch of LED chips by introducing a companion film. As long as the position of the companion film is fixed, the relative value of the real physical thickness of the evaporated coating layer on the surface of the companion film at that position and the real physical thickness of the evaporated coating layer on the surface of the LED chip at the position to be measured is calculated during the first thickness test. After that, the real physical thickness of the evaporated coating layer on the surface of the LED chip in each batch can be measured by measuring the real physical thickness of the evaporated coating layer on the surface of the companion film. After each batch of evaporation production, it is only necessary to measure the real physical thickness of the evaporated coating layer on the surface of the companion film, and the real physical thickness of the evaporated coating layer on the surface of the LED chip can be immediately obtained.

A main body of the cavity dielectric filter is a solid multi-cavity core composed of a plurality of resonant cavities arranged in the same direction and coupling pieces for coupling the resonant cavities, the surface of the solid multi-cavity core is coated with a metal layer, the two ends of the solid multi-cavity core are each provided with a feed port, and specifically, the feed ports are formed in the mode that notches are formed in the metal layer; a metal rectangular part is arranged on the surface of the solid multi-cavity core in the notch, and a gap is reserved between the metal rectangular part and the metal layer; the interior of the solid multi-cavity core is provided with a blind hole which penetrates through the metal rectangular part, and the interior of the blind hole is electroplated and filled. According to the dielectric cavity filter using the novel feed mode, only the notch is formed in the bottom of the metal layer, the metal rectangular part is reserved to form the bonding pad, then the blind hole extends from the bonding pad at the bottom to the interior of the cavity to serve as the feed probe for feeding, only the bottom face needs to be windowed, and the side face needs to be directly coated with copper; the process flow and the process difficulty are reduced, and the selectivity of the process is widened.