114 results about "Tube socket" patented technology

The invention relates to the technical field of semiconductor devices, in particular to an infrared photoelectric detector based on a super lens and a manufacturing method of the infrared photoelectric detector. The infrared photoelectric detector based on the super lens comprises a tube socket, a metal tube cap and a detector chip, the metal tube cap and the tube socket are fixedly connected and form a totally-enclosed packaging structure, the detector chip is packaged between the tube socket and the metal tube cap, a chip electrode of the detector chip is welded with a pin of the tube socket, the super lens is arranged at the top of the metal tube cap, and the super lens is arranged on the top of the metal tube cap. The side wall is a metal tube shell, and the super lens comprises a super lens substrate and super lens units periodically arranged above the super lens substrate. According to the infrared photoelectric detector based on the super lens, the super lens units periodically arranged on the super lens can be utilized, the transmittance of incident light can be improved, the interference effect of reflected light can be restrained, and then the detection rate of the infrared photoelectric detector is improved.

The invention relates to the technical field of phased array detection, in particular to equipment for phased array detection of tube socket fillet welds.The equipment comprises a bearing seat, equipment bodies are symmetrically and fixedly arranged on the bearing seat, display screens are installed on the equipment bodies, a retraction cavity is formed in the rear end of each equipment body, and a movable detection mechanism is installed in each retraction cavity; the mobile detection mechanism is inserted into the retraction cavity when not performing detection work and is protected through the retraction cavity, upper jacking blocks are symmetrically and fixedly arranged at the upper end of the equipment main body, a mobile protection assembly is borne on the upper jacking blocks, and the display screen is protected through the mobile protection assembly; the invention further relates to a phased array detection method for the fillet weld of the tube socket. The phased array detection method comprises the following steps: step 1, outward movement of the detection frame; 2, the perspective protection plate is far away; 3, positioning the bearing seat; and step 4, weld joint detection.

A cross-contamination free and multiple laboratory sample grinder includes: a controller unit having a motor and a controller unit; a tube receptacle unit, removably laid on top of the controller unit, comprises a plurality of compartments designed to contain a plurality of laboratory tubes; and a top housing unit, removably laid on top of the tube receptacle unit, comprises an array of pestles coupled to a gear system that is operated by that motor. The top housing unit comprises a handle and a roller connector having a pair of wheels when rotated operable to eject the array of pestles into the plurality of laboratory tubes.

The utility model discloses a TO tube socket for a high-power laser, which relates to the technical field of semiconductors, and comprises a bottom plate, a metal radiating element, a sealing part and a lead, the metal radiating element is fixed on the bottom plate, the bottom plate is provided with a through hole for the lead to pass through, the sealing part is sleeved on the periphery of the lead, and the sealing part is fixed in the through hole. The LED lamp is fast in heat dissipation, good in heat dissipation effect, small in size and easy to package.

The invention discloses an automatic gold-tin fusion seal welding process method, and designs an annular suction nozzle aiming at the size of a seal welding surface of a tube socket, and the annular suction nozzle can pick up the tube socket and a cover plate and provide welding pressure for the seal welding surface at the same time. And by accurately positioning the positions of the tube seat and the cover plate, high-precision alignment is realized, and the problem of cover plate alignment deflection is solved. The welding pressure is accurately controlled by a suction nozzle, the temperature is accurately controlled by a heating table in the equipment, the consistency of welding process conditions of each circuit is ensured, and the equipment cavity is filled with nitrogen with the purity being greater than 99.999%, so that on one hand, welding flux is protected from being oxidized at high temperature, and on the other hand, the welding quality is improved; on the other hand, the purpose that pure nitrogen exists in the sealed circuit is achieved, gold plating treatment is conducted on the surface of the suction nozzle, gold plating components are consistent with those on the surface of the cover plate, and a gold plating layer on the surface of the cover plate is protected against damage in the picking process.

The utility model discloses an anti-loosening structure for a fuse clip in a fuse tube socket, an insulating part, a wiring terminal and a fuse clip are arranged on a fuse tube, the wiring terminal and the fuse clip are embedded on the insulating part and are in conductive connection, a conductive connecting part is arranged in the insulating part, and the conductive connecting part sequentially penetrates through the fuse clip and the wiring terminal and connects the fuse clip and the wiring terminal in series. According to the utility model, the structure is simple, through the arrangement of the conductive connecting piece, the wiring terminal and the safety clamp can be connected in series without the help of a peripheral plastic part, power failure abnormity caused by loosening of the wiring terminal and the safety clamp is avoided, and potential safety hazards caused by loosening of the wiring terminal and the safety clamp are eliminated; and the wiring terminal and the fuse clamp are fixed or limited in a proper area range, so that the installation of the fuse tube is convenient, and the operation is very convenient.

The utility model discloses a bicolor thermodetector, including tube socket, first photoelectric module and second photoelectric module, the bicolor thermodetector also includes positioning insulating substrate and auxiliary conductive connecting piece, the positioning insulating substrate includes photoelectric module bearing portion, electric connecting piece bearing portion located at one side of photoelectric module bearing portion, the electric connecting piece bearing portion is located at the other side of photoelectric module bearing portion, and the auxiliary conductive connecting piece is located at the other side of photoelectric module bearing portion. The auxiliary conductive connecting piece is arranged on the electric connecting piece bearing part, the positioning insulation substrate is arranged on the tube socket, the first photoelectric module is arranged on the photoelectric module bearing part, the second photoelectric module and the first photoelectric module are arranged in a stacked mode, and the second photoelectric module is arranged on the second photoelectric module bearing part. The second photoelectric module is electrically connected with the auxiliary conductive connecting piece, the electric connecting part of the first photoelectric module is located on the side, away from the photoelectric module bearing part, of the first photoelectric module, and the electric connecting part of the first photoelectric module exceeds the coverage range of the second photoelectric module.

The invention provides an electronic tube socket, a manufacturing method and a performance testing method thereof. An electronic tube socket comprises an alloy bottom layer and a metal top layer, and the metal top layer is plated on the alloy bottom layer. Through the design of the alloy bottom layer and the metal top layer, the production cost is obviously reduced while various performance indexes of the electronic tube socket are met. The problem that an existing gold-plated tube socket is too high in cost is solved.

The utility model discloses a packaging tool for a high-performance MEMS pressure sensor chip, which comprises a base, a tube socket fixing assembly and a vertical movable assembly, the base is used for bearing the tube socket fixing assembly and the vertical movable assembly, the tube socket fixing assembly is used for fixing a packaging tube socket, the vertical movable assembly can move horizontally and vertically relative to the base, and the tube socket fixing assembly is used for fixing the packaging tube socket. Therefore, the flattening operation of the MEMS pressure sensor chip in the packaging tube socket is realized. According to the packaging tool provided by the utility model, the height of the chip chamber wall is matched with the structures of the flattening column and the horizontal arm, so that the thickness of the fixing glue is accurately controlled, and the consistency of the thickness of the fixing glue is ensured; fixing glue is prevented from diffusing to the vent holes through the anti-overflow columns, and the vent holes are prevented from being blocked; the tube socket cavity can be matched with products with different sizes or shapes through the lining, so that the packaging efficiency is improved; an anti-static gasket on the bottom surface of the flattening column avoids mechanical and static damage to the chip; positioning and pressing are achieved through horizontal sliding and vertical pressing, the operation difficulty is reduced, and the packaging yield is improved.

The invention discloses a CRDM tube socket external thread positioning and electric spark machining device, method and system, and relates to the technical field of nuclear power plant CRDM tube socket external thread machining. The machining device comprises a driving platform assembly, a machining liquid tank, an electrode driving device, an electrode set and a clamping assembly. Two electrode sets are arranged in the machining fluid tank and used for conducting formed thread rough machining and formed thread finish machining on a pipe base to be machined respectively, and each electrode set comprises two semi-separated thread electrodes oppositely arranged in the radial direction of the machining fluid tank. Four electrode driving devices are arranged between the driving platform assembly and the machining fluid tank, and each electrode driving device is connected with the corresponding semi-separation type thread electrode and used for driving the semi-separation type thread electrode to move in the radial direction of the machining fluid tank. According to the invention, the stability, the success rate and the efficiency of positioning work can be improved, and the efficiency and the precision of machining the external threads of the tube socket can be improved.

The bottom dewatering and drainage connector comprises a connector body, the connector body comprises a pipe socket and a plurality of drainage plate sockets, the tops of the pipe socket and the drainage plate sockets are open, the bottoms of the pipe socket and the drainage plate sockets are closed, and the positions, close to the bottoms, of the pipe socket and the drainage plate sockets are communicated through communication openings. The connector body is provided with an insertion buckle which can be inserted from the top. According to the utility model, the plug-in buckle is arranged on the joint body and is used for inserting the guide pipe, so that the bottom dewatering and drainage assembly does not need to be inserted into the conduit, the insertion is convenient and fast, and on the other hand, the diameter of the guide pipe can be properly reduced.

The invention discloses a To tube socket and TEC packaging method, and belongs to the technical field of electronic packaging. The method comprises the following steps: firstly, carrying out fine cleaning treatment on a TO tube socket and TEC to remove surface impurities and oxides; a brazing filler metal with a specific formula and a scaling powder matched with the brazing filler metal are selected, a brazing temperature curve is accurately controlled, and brazing operation is carried out in a proper protective gas atmosphere. Precise positioning and fixing are achieved through a special clamp, and the accuracy and stability of connection of the two are ensured. After welding is completed, whether defects exist or not is detected through appearance inspection. The method effectively improves the packaging quality and reliability, and has a wide application prospect.

The invention relates to a connection device for an internally cooled cable, in particular a high-voltage cable. The invention further relates to a cable system with an internally cooled cable and such a connection device. An embodiment of the connection device (100) comprises: an outer cable receptacle (160) for connection to the internally cooled cable (1000); and an inner, at least partially tubular, hose receptacle (120), in particular a capillary, arranged at least partially in the outer cable receptacle (160), for receiving at least a section of a cooling hose (1200) arranged in the internally cooled cable (1000).

The invention provides a laser TO packaging eutectic table, and relates to the technical field of lasers. The laser TO packaging eutectic table comprises a base, an eutectic component and a driving component. The eutectic component comprises a plurality of eutectic tables which are arranged in a straight line in the front-back direction, and the eutectic tables are in sliding connection with the base. The eutectic table comprises a mounting plate and a mounting cylinder arranged on the front side face of the mounting plate, and a heating rod used for heating the mounting plate is arranged on the mounting plate. The diameters of the installation cylinders of the eutectic tables are sequentially increased from back to front, and the installation cylinders of the eutectic tables are coaxially arranged in a sleeved mode. And the driving part is used for driving the eutectic table to slide back and forth relative to the base, and can control the extension of the mounting cylinder corresponding to the model of the to-be-eutectic tube socket through the driving part. The laser TO packaging eutectic table can be used for simultaneously carrying out solid crystal packaging on a TO tube socket which is common in the market at present, so that the working capability of equipment using the eutectic table structure is improved, and the hardware debugging of a current switching product is avoided.

The flip MEMS pressure chip comprises an SOI substrate and a glass cover plate, and the top surface of the substrate is in bonding connection with the bottom surface of the cover plate; the top surface of the substrate is provided with four piezoresistors, the four piezoresistors are connected through a guide circuit to form a Wheatstone bridge, and four joints of the Wheatstone bridge are provided with electric connection discs; four through connecting holes are formed in the top surface of the cover plate, conductive materials are filled in the connecting holes, the bottom surfaces of the conductive materials are connected with the corresponding electric connecting discs, and a concave cavity is formed in the center of the bottom surface of the cover plate. According to the invention, the vertical connection of the circuit is realized through the cover plate, so that the chip can be directly inverted on the circuit board or the tube socket without lead bonding. In addition, the circuit structure is arranged in the front concave cavity, and the back of the chip is used for sensing pressure, so that silicone oil does not need to be filled to protect the circuit structure of the chip, and the performance and the stability of the chip are improved. After the silicone oil and the lead wire are removed from the core body, the size of the core body is greatly reduced, the working temperature area is improved, and the risk that the lead wire is broken or falls off to cause sensor failure is avoided.

The utility model provides an integrated multichannel photoelectric sensor, relates to the technical field of infrared detectors, and is used for solving the technical problem that a multiband detection sensor is complex in structure. The multichannel photoelectric sensor comprises a tube socket, a tube pin, a tube cap and a lead, the tube cap covers the tube socket and is provided with a window, and the multichannel photoelectric sensor is characterized by further comprising at least two sensitive element chips capable of absorbing different wave bands, and the sensitive element chips are arranged on the tube socket and communicated with the tube pin through the lead; an optical filter with different band pass is arranged above each sensitive element chip; and the isolation element isolates each sensitive element chip, and an independent space is formed between the isolation element and the optical filter. According to the utility model, a plurality of waveband chips are integrated and packaged in one sensor to form a multi-channel design, and a plurality of original single-channel sensors are replaced, so that miniaturization and integration can be realized, and the size of a module is reduced.

The application discloses a tube base clamping and positioning eutectic device for an eutectic machine, which comprises a tube base configuration assembly and a tube base clamping and positioning assembly. The tube base configuration assembly comprises a heating base and a tube base positioning seat, and the tube base positioning seat is provided with a eutectic cavity. The tube base clamping and positioning assembly comprises a tube base radial positioning mechanism and a tube base axial positioning mechanism. The tube base radial positioning mechanism is provided with a radial positioning driving part and a radial positioning block, and the tube base axial positioning mechanism is provided with an axial positioning driving part and an axial positioning block. When the eutectic part of the tube base is inserted into the eutectic cavity through a tube base configuration opening, the radial positioning block is driven by the radial positioning driving part to abut against a seat body second clamping hole arranged on the outer periphery of the seat body of the tube base, so that the radial positioning of the tube base is realized. Then, the tube base axial positioning block is driven by the axial positioning driving part to abut against the seat body, so that the side of the seat body close to the eutectic part abuts against the outer periphery of the tube base configuration opening, and the axial positioning of the tube base is realized.

The utility model relates to the technical field of dust collectors, in particular to a wet and dry dual-purpose dust collector for a tube socket processing workshop, which comprises a trolley and a dust collector mounted on the trolley, the dust collector comprises a barrel, a dust collection tube is arranged on the barrel, one end of the dust collection tube is provided with a ground brush in contact with ground dust, and the other end of the dust collection tube is provided with a dust collector. Clamping and fixing devices are arranged on the two sides in one end of the dust suction pipe, each clamping and fixing device comprises a movable plate, and an elastic spring is arranged on one side of each movable plate. The design of the clamping and fixing device allows a user to quickly mount and dismount floor brushes with different sizes by simply operating a fixed rod, a movable plate and an elastic spring, so that the flexibility and convenience of the dust collector in use are greatly improved, and the user can select a proper floor brush according to different cleaning requirements; and meanwhile, the ground brush is convenient to clean and maintain, and the working efficiency is improved.

The utility model discloses a TO tube socket transferring mechanism which comprises a fixing frame, an overturning motor, an overturning seat, a feeding motor, a feeding sliding block and a clamping jaw, the clamping jaw is installed on the feeding sliding block and used for clamping a TO tube socket, a feeding sliding rail is arranged on the overturning seat, and the feeding sliding block is installed on the feeding sliding rail in a sliding mode. The feeding sliding block is provided with a feeding rack extending in the sliding direction of the feeding sliding block, the feeding motor is installed on the overturning base, and a gear meshed with the rack is arranged on an output shaft of the feeding motor. The turnover seat is rotatably mounted on the fixing frame, and the turnover motor is fixed on the fixing frame and connected with the turnover seat; the TO tube base is clamped by arranging the clamping jaw, the feeding sliding block is driven to move through meshing of the gear and the rack, and the position precision of the clamping jaw in the moving process is enhanced; the turnover motor is arranged to drive the turnover seat, so that the clamping jaw can change the angle, the orientation of the TO tube seat does not need to be manually adjusted, the labor cost is saved, and the working efficiency is improved.

Disclosed in the present application is a thin-film-type high-precision sensor, comprising a base plate, a tube socket, an annular support and a diaphragm, wherein a support recess is provided on the side of the annular support facing the base plate, and a support through hole is provided on the side of the annular support away from the base plate; the annular support is fixedly connected to an edge of the base plate; the tube socket is provided with an induction device, the tube socket is assembled in the support recess, the side surface of the tube socket provided with the induction device faces the support through hole, and the induction device extends into the support through hole; the base plate is provided with a circular through hole, a plurality of connecting lines are provided on the side surface of the tube socket facing away from the induction device, and all the connecting lines pass through the circular through hole and extend outwards; and the diaphragm covers the side surface of the annular support provided with the support through hole. By means of forming a T-shaped oil chamber and configuring the diaphragm as a flexible diaphragm, the high-precision sensor effectively reduces the volume of oil in the oil chamber to enhance the anti-expansion ability, thereby improving the reliability of the sensor.

The invention discloses a constant-temperature connector suitable for flywheel energy storage, and relates to the technical field of electric connectors, the constant-temperature connector comprises a socket shell and a plug shell, a conductive core is arranged in the socket shell, a conductive plate is arranged in the plug shell, a jack is formed in the conductive core, and a heat pipe is inserted in the jack; hooks capable of being connected with the plug shell are arranged on the two sides of the socket shell in a sliding mode, a U-shaped pulling rod used for controlling the height of the hooks is further arranged on the outer side of the socket shell, a plug pin used for positioning the U-shaped pulling rod is arranged on the U-shaped pulling rod, and a reverse pushing ejector block capable of pushing the plug pin outwards in the case of overheating is arranged in the socket shell. The conductive core can be cooled through the heat pipe, the plug pin can be pushed out through the reverse pushing ejector block when the conductive core is overheated, secondary protection is achieved, large-area and low-resistance tight electric connection is formed through double-face clamping contact between the wedge-shaped part and the hinged conductive plate and under the pressure of the spring, poor contact caused by vibration is effectively resisted, and the service life of the conductive core is prolonged. The conductive effect is ensured.

This invention relates to the field of electron tube socket technology and discloses a tensile-resistant electron tube socket for precision electronic components and its processing technology, solving the current problem of inconvenience in leading out the cathode of the electron tube die column. It includes a base, with an electron tube die column at the bottom and a glass tube at the top. The base has multiple insertion holes, and multiple electron tube cathode pins are fixedly connected to the bottom of the electron tube die column. Each electron tube cathode pin is inserted into its respective insertion hole. The base has a groove containing a fixing mechanism, a protective mechanism, and a locking mechanism. The fixing mechanism includes a guide post fixed in the groove, and a bidirectional lead screw rotatably connected to the groove below the guide post. Two nuts are symmetrically threaded onto the outer side of the bidirectional lead screw. This invention allows the base block to be pushed upwards, facilitating the disengagement of the electron tube cathode pins from the insertion holes, thereby facilitating the lead-out of the electron tube die column cathode.

The invention discloses an ultrasonic phased array tube socket fillet weld multiple wave calculation method, which comprises the following steps that 1, a scanning frame is arranged to adopt a three-axis scanning mode, an ultrasonic phased array instrument and a phased array probe are used for data acquisition, and the ultrasonic phased array instrument supports three-dimensional coding; 2, performing data acquisition by using an ultrasonic phased array instrument and a phased array probe to obtain an S scanning imaging picture of the current scanning section; 3, defining parameters, establishing three-dimensional rectangular coordinate systems Oxyz and O'x'y'z ', and solving a tube socket fillet weld intersecting line equation; 4, the minor semi-axis b is equal to the outer radius R of the mother pipe, and the major semi-axis a is obtained through calculation according to the intersection point of the pipe base fillet weld intersecting line and the ellipse; 5, solving an intersection point of the acoustic beam equation and the elliptic equation, calculating a reflection direction based on a reflection law, and determining a multiple wave path; and 6, repeating the step 5, calculating multiples, and outputting a result for defect analysis. The invention also discloses an ultrasonic phased array tube socket fillet weld multiple wave detection system.

The invention discloses a packaging tool for a high-performance MEMS pressure sensor chip and a using method thereof.The packaging tool comprises a base, a tube base fixing assembly and a vertical movable assembly, the base is used for bearing the tube base fixing assembly and the vertical movable assembly, the tube base fixing assembly is used for fixing a packaging tube base, and the vertical movable assembly is used for fixing the packaging tube base; and the vertical movable assembly can horizontally move and vertically move relative to the base so as to flatten the MEMS pressure sensor chip in the packaging tube socket. According to the packaging tool, the height of the chip chamber wall is matched with the structures of the flattening column and the horizontal arm, so that the thickness of the fixing glue is accurately controlled, and the consistency of the thickness of the fixing glue is ensured; fixing glue is prevented from diffusing to the vent holes through the anti-overflow columns, and the vent holes are prevented from being blocked; the tube socket cavity can be matched with products with different sizes or shapes through the lining, so that the packaging efficiency is improved; an anti-static gasket on the bottom surface of the flattening column avoids mechanical and static damage to the chip; positioning and pressing are achieved through horizontal sliding and vertical pressing, the operation difficulty is reduced, and the packaging yield is improved.

The utility model relates to the technical field of extension sockets, in particular to a novel socket. The socket comprises a socket body and jacks, the top of the socket body is provided with a plurality of jacks, the outer side of the socket body is provided with a protection assembly, the protection assembly is used for protecting the socket body, the protection assembly comprises a protection shell, a fixing tube, a waterproof motor, a pull rod, a force application cavity column and a butt joint, and the outer side of the socket body is slidably connected with the protection shell. A fixing pipe is fixed to one end of the socket body, a waterproof motor is arranged on one side of the socket body, a pull rod is slidably connected to the inner side of the waterproof motor and slidably connected with the fixing pipe, and a force application cavity column is slidably connected to the top of the fixing pipe. According to the utility model, through the structural design of the protection assembly, the butt joint assembly and the bayonet, the device is convenient to protect the socket body, dust is prevented from entering part of jacks when the jacks are not used, subsequent electrical connection is prevented from being influenced, the safety is increased, and the use effect is good.

The present invention belongs to the field of semiconductor photodetector technology and discloses a flat quadrant laser detector assembly and a method for manufacturing the same. The detector assembly includes a photosensitive chip, an amplifier circuit, and a device housing. The photosensitive chip and amplifier circuit within the detector assembly are arranged in a planar layout. The photosensitive chip is a quadrant photodiode, which converts received laser signals into pulsed current signals. The amplifier circuit utilizes a monolithic, hollow structure with a circular outer and inner circle, or a circular outer and inner square structure. It is composed of a transistor core, an amplifier chip, and resistors, integrated onto a circuit substrate via double-sided surface mounting. The amplifier circuit converts the multi-channel pulsed current signals output by the photosensitive chip into pulsed voltage signals and amplifies and shapes them for output. The device housing comprises a tube socket containing a tube socket base and pins, and a tube cap containing a tube cap base and a light window. The present invention has the advantages of compact structure, simple process, high overload resistance, low cost, and high reliability.

The invention relates to the technical field of laser packaging, in particular to a packaging method of a vertical cavity surface emitting laser, which comprises the following steps of: before TO packaging, acquiring a plurality of tube socket images under Z-axis distances; analyzing the blurring condition of the tube socket image according to the tube socket image under each distance, and determining the central position of a preferred luminous point of the tube socket image under each distance; the inclination degree of the TO tube cap is determined according to the change condition of the central position of the preferable light-emitting point in the tube socket image under the adjacent distance, and the coaxial offset of the tube socket is corrected according to the inclination degree; and performing TO packaging based on the alignment result of the TO tube socket and the TO tube cap after coaxial offset correction. According to the invention, the defect of light reflection center position confirmation deviation caused by image blurring is overcome, and the coupling efficiency and the packaging consistency of the TO device are obviously enhanced.

The utility model belongs to the technical field of high-speed optical communication application, and discloses a vertically packaged TO-CAN assembly with a refrigerator, the TO-CAN assembly comprises a 7PIN tube socket and a tube cap sealing cap, the top of the 7PIN tube socket is provided with a TO tube socket boss, the side surface of the TO tube socket boss is pasted with a second TEC, the side surface of the second TEC is pasted with a second LD substrate, and the top of the second TEC is provided with a second LD substrate. A TO tube base boss is attached to the top of the second LD substrate, a second MPD is attached to the side face of the second LD substrate, an AC circuit in the second LD substrate is directly bonded with an AC pin through a gold wire, a tube cap sealing cap is arranged at the top of the 7PIN tube base, and the tube cap sealing cap packages the TO tube base boss, the second MPD and a thermistor fixed in the second LD substrate at the top of the 7PIN tube base. The utility model has the beneficial effects that the routing distance from the high-speed AC PIN to the substrate is shorter, the gold wire consumption is lower, and the key point is that the TEC directly adopts a vertical packaging mode, so that a low-cost tube socket can be adopted, a tube socket preset adapter plate is omitted, and the cost of the tube socket is greatly reduced.

The invention relates to a heat exchanger (1), in particular for heating up, heating and / or evaporating a fluid, said heat exchanger (1) comprising a heat exchanger tube (2) and a plurality of tubes (10) penetrating the heat exchanger tube (2) and being spaced apart from each other, wherein the heat exchanger tube (2) has double the number of openings (5, 6) based on the number of tubes (10), wherein each tube (10) is guided through two of these openings (5, 6), and wherein the tubes (10) are connected to the heat exchanger tube (2) on both sides via their end tube sockets (11, 12).

The utility model discloses a TO tube socket, which relates to the technical field of optical devices and comprises a bottom plate, connected through hole pins and pins, the bottom plate is provided with a plurality of independent through holes, each independent through hole is internally and fixedly provided with one pin, gaps between the pins and the independent through holes are filled with first glass insulators, the bottom plate is further provided with connected through holes, and the bottom plate is further provided with second glass insulators. The connecting through hole is symmetrical about a first symmetrical central plane in the length direction and is symmetrical about a second symmetrical central plane in the width direction, two connecting through hole pins are fixedly arranged in the connecting through hole and are symmetrical about the first symmetrical central plane, the distances between the centers of the two connecting through hole pins and the center of the bottom plate are equal, and the distance between the two connecting through hole pins and the distance between the two connecting through hole pins and the distance between the two connecting through hole pins and the center of the bottom plate are equal. And a second glass insulator is filled in a gap between the two connected through hole pins and the connected through hole. The TO tube socket provided by the utility model is relatively simple in structure, small in size, low in cost, high in transmission efficiency, easy to manufacture and test, and beneficial to large-scale production.