CN207866391U - High temperature stem body temperature checker - Google Patents

Abstract

The utility model high temperature stem body temperature checker, belong to temperature correction technical field, it includes furnace body (1), control plate module (2), system plate module (3), measures plate module (4), instrument undersetting (5) and instrument outer cover (6), furnace body and control plate module are assemblied on instrument undersetting, system plate module and measurement plate module are assemblied in instrument outer cover leading flank, and instrument outer cover connects and fixes with instrument undersetting and furnace body and control plate module are contained in cover body.Between the modules of modular assembly independently of each other, can independent disassembling, convenient for safeguard and replace.The utility model can be used for verifying the temperature of tested device.

Description

High temperature stem body temperature checker

Technical field

The utility model belongs to temperature correction technical field, is related to temperature checker, and in particular to high temperature stem body temperature school Test instrument.

Background technology

Temperature checker is widely used in all trades and professions for being calibrated to temperature measuring equipments such as thermometer or thermal switch Industry spot, metering place and laboratory, have than broader market.

High temperature stem body temperature checker is for verifying temperature measuring equipment, wherein needing to be equipped with high-temperature furnace body.High-temperature furnace body In use, the temperature condition near is to belong to than relatively rugged environment condition for some other component, because This needs surrounding environment with other parts being isolated.Meanwhile it being used as core component, in production, use process In, it generally requiring that it is individually debugged and safeguarded, existing product is often locked together with other parts, once go out Existing problem just needs to disassemble complete machine, considerably increases maintenance cost.

Utility model content

The utility model aim is to provide a kind of modular assembly, easy-to-mount high temperature stem body temperature checker.

The utility model provides a kind of high temperature stem body temperature checker, for carrying out temperature checking to high temperature detecting element, It includes：High-temperature furnace body (1), control plate module (2), system plate module (3), instrument undersetting (5) and the instrument of modularized design Device outer cover (6), system plate module (3) are assemblied on instrument outer cover, and high-temperature furnace body (1) and control plate module (2) are independently of each other It is assemblied on instrument undersetting (5), instrument outer cover (6) is assemblied in above instrument undersetting (5) and by high-temperature furnace body (1) and control Plate module (2) is contained in the cover body of instrument outer cover.

Wherein：High-temperature furnace body (1) and control plate module (2) separately, instrument outer cover top surface and high-temperature furnace body (1) fire door Opposite place is equipped with to accommodate the jack of tested device, and spacing is with outside instrument outer cover (6) and high-temperature furnace body (1), outside instrument Cover (6) side opens up side ventilation slot group (61) by top position.

The high temperature stem body temperature checker further includes measuring plate module (4), measures plate module (4) and is assemblied in outside instrument It is connect on cover (6) and with instrument undersetting (5), measuring between plate module (4) and control plate module (2) has spacing.

The high temperature stem body temperature checker further includes the protective device (7) being arranged at the top of instrument outer cover (6), top Portion's protective plate is equipped with the hole of position opposite with jack at the top of high-temperature furnace body (1) fire door and instrument outer cover (6) to accommodate tested dress It sets, side is open or is the floor with air outlet.

The high temperature stem body temperature checker, the high-temperature furnace body (1) include isothermal block (13), heat insulation cylinder (14) and cold But fan (16), further include a pedestal (11) for being placed in bottom of furnace body, and the heat insulation cylinder (14) is placed in the isothermal block (13) outside It encloses and separately forms cooling duct (C1) with isothermal block (13), heat insulation cylinder (14) and isothermal block (13) are fixed on pedestal (11) On, cooling fan (16) is mounted in pedestal (11) cavity；Ventilation hole, the ventilation hole and cooling duct is arranged in pedestal (11) (C1) it communicates, cooling fan (16) is communicated through the ventilation hole with cooling duct (C1).

The heat insulation cylinder (14) includes the inner cylinder (14-1) being arranged and outer barrel (14-2), and the inner cylinder is closed Double-layer structure is made of hollow heat-insulated cylinder inner wall, outer wall and the sealing plate at both ends；Inner cylinder (14-1) is placed in isothermal block (13) outside forms cooling duct (C1) with isothermal block (13) interval, and outer barrel (14-2) is placed on the outside of inner cylinder (14-1) and phase Interval forms secondary cooling duct (C2), and inner cylinder (14-1) and the bottom outer barrel (14-2) are fixed on base of furnace body (11)； It is fixed by a positioning block (15) at the top of inner cylinder (14-1) and outer barrel (14-2), locating piece (15) is offered to be led to cooling The air stream outlet (15-2) that road (C1) is connected to secondary cooling duct (C2).

The end face setting support column mounting hole (11-2) of the fixed heat insulation cylinder (14) of the pedestal (11) is permanent for installing support The support column (18) of warm block (13), support column (18) top are fixedly connected with isothermal block (13), and support column (18) bottom end fixes In support column mounting hole (11-2)；Alignment grooves (15-3), the heating rod on isothermal block (13) is arranged in locating piece (15) lower part (12) upper end fixes in alignment grooves (15-3).

The end face of the fixed heat insulation cylinder (14) of the pedestal (11) is rib-like holder (11-1) structure, the interstice coverage between rib Domain is connected to pedestal (11) cavity, and rib holder is in bridge arch shape, is arched upward from side to centre, rib-like holder (11-1) Upper setting support column mounting hole (11-2).

The end face distribution of the fixed heat insulation cylinder (14) of the pedestal (11) sets multiple strip boss (11-5), outer barrel (14-2) It is socketed in from top to bottom on the outside of strip boss (11-5).

Multiple Outer cylinder stop blocks (11-6), Outer cylinder stop block (11-6) are evenly distributed with or are symmetrical arranged between strip boss (11-5) Positioned at the inner or outer side of outer barrel 14-2.

Multiple convex blocks (11-3) are set in rib-like holder (11-1) edge distribution, inner cylinder (14-1) is socketed in from top to bottom It is on the outside of convex block (11-3) and fixed with convex block (11-3)；There are spacing, the spacing between convex block (11-3) and strip boss (11-5) With the pitch match of outer barrel and inner cylinder.

Region between the corresponding outer barrel (14-2) of pedestal (11) and inner cylinder (14-1) is equipped with to be connected with pedestal (11) cavity Logical straight slot (11-4), straight slot (11-4) are connected to secondary cooling duct (C2).

Further include air-valve in the high-temperature furnace body, air-valve is fixed in pedestal (11) cavity, and is located at cooling fan (16) Top.

The pedestal (11) extends a plane to side, is equipped with one or more ventilation openings (11-7) on this plane, The ventilation opening is connected to the outside air from high-temperature furnace body bottom but is not connected to cooling duct (C1).

In high temperature stem body temperature checker described above, the control plate module (2) includes that a slot type controls board mount (21), Switching Power Supply (22) is assemblied in the groove body of control board mount (21), and control panel (24) is mounted on control board mount (21) Groove body top surface, partition board 23 is installed between control panel in Switching Power Supply (22).

The another diversion fan (25) that sets is fixed at the top of control plate module (2) and is connected to the groove body of control plate module (2), controls Instrument undersetting (5) below making sheet module (2) opens up ventilation slot.

In high temperature stem body temperature checker described above, the system plate module (3) includes setting gradually from the front to the back simultaneously Fixed touch screen panel (35), touch screen foam (34), touch LCD screen (33), touch LCD platen bracket (32) and system board (31)。

In high temperature stem body temperature checker described above, cloth is provided in the measurement plate (41) for measuring plate module (4) It aligns and sets on TC socket elements (43) and multiple test connection terminals (45), with the fixed front panel (42) of measurement plate contraposition overlapping There are socket aperture (44) and multiple terminal holes (46).

The TC socket elements (43) are thermocouple cold junction compensation structure comprising cold junction temperature sensor (01), Second equal heat block (03) and cap bag (04), the second equal heat block (03) is equipped with two pieces and has spacing, on every 1 second equal heat block (03) A shrapnel (02) is connected, cold junction temperature sensor (01) is mounted on the upside of any shrapnel (02), and thermocouple (05) cold end is placed in Between shrapnel (02) and the second equal heat block (03) and it is close to shrapnel (02) and the second equal heat block (03), and the second equal heat block (03) Thermal capacitance be much larger than shrapnel (02) and cold junction temperature sensor (01) thermal capacitance.

The shrapnel (02) is small thermal capacitance, the good elastomer of thermal conductivity, is S-shaped structure, and tail end is fixed on second The head end of the tail portion of heat block (03), shrapnel (02) raises up, and the upper table of the second equal heat block (03) is freely placed in by the part of near head end Face；Heat-conducting glue is added between two second equal heat blocks (03).

The thermocouple cold junction compensation structure further includes an extraction line terminals (06), cold junction temperature sensor (01) Lead-out wire leads to from the tail portion of cap bag (04) and draws line terminals (06), draws line terminals (06) and is plugged in measurement plate (42)； The front end setting of the cap bag (04) there are two socket, socket correspond to the position between shrapnel (02) and the second equal heat block (03) with It is inserted into thermocouple (05) cold end.

The part that the cold junction temperature sensor (01) being installed on shrapnel (02) is not contacted with shrapnel (02) adds plastic sheath Or adiabatic glue；For cold junction temperature sensor (01) by glue sticking on shrapnel (02), shrapnel (02) is bonded cold junction temperature sensor (01) backplate is respectively set in position both sides.

In high temperature stem body temperature checker described above, instrument outer cover (6) lower end opens, and is integrally placed under instrument and props up It is connected and fixed on seat (5) and with the side of instrument undersetting；Measure the side that plate module (4) is mounted on instrument outer cover, system board Module (3) is mounted on the side of instrument outer cover.

Instrument outer cover (6) top surface opens up upper ventilation slot group (62) close to avris position；The bottom surface of instrument undersetting (5) and Side opens up several ventilating groove holes.

Instrument outer cover (6) is made of plastic material.

The bottom surface of high temperature stem body temperature checker described above, instrument undersetting (5) is distributed with several pilot holes, with height Warm furnace body (1), control plate module (2) measure plate module (4) and instrument outer cover (6) horizontally disposed build-up member (9) contraposition peace Dress.

The control plate module (2) and high-temperature furnace body (1) are parallel longitudinal, and the two adjacent side passes through furnace body side department of assembly Part (9) is connected and fixed.

System plate module (3) left and right sides are connect by screw with instrument outer cover (6) respectively, measure plate module (4) top is fixed by screw and instrument outer cover (6).

It is mutual indepedent between the modules of composition the utility model high temperature stem body temperature checker using the above design, Can independent disassembling, convenient for safeguard and replace.Each part set of high-temperature furnace body is become into modular form using pedestal, is convenient for high temperature furnace Body is dismantled in temperature checker；It is realized to the automatic of isothermal block by the design of locating piece, pedestal support column in high-temperature furnace body Righting avoids the operation of dismounting adjustment；Heat insulation cylinder is double-barrel structure, and more gas channels realize the fast cooling of furnace body, inner cylinder Body is closed double-layer structure, light weight, heat-insulated good.It includes also bluetooth, wifi components to control in plate module, be may be implemented wireless Communication.System board touch control, operating efficiency higher.Cooling and complete machine of the design in multiple gas channel conducive to furnace body in instrument Heat dissipation.Instrument outer cover is plastic material, it is possible to reduce weight.

Description of the drawings

Figure 1A is the utility model high temperature stem body temperature checker stereoscopic figure；

Figure 1B is the utility model high temperature stem body temperature checker structural exploded view；

Fig. 2A is that plate module stereogram is controlled in the utility model high temperature stem body temperature checker；

Fig. 2 B are that control panel module map constitutes exploded view in the utility model high temperature stem body temperature checker；

Fig. 3 A are system plate module stereogram in the utility model high temperature stem body temperature checker；

Fig. 3 B are that system board module map constitutes exploded view in the utility model high temperature stem body temperature checker；

Fig. 4 A are that plate module stereogram is measured in the utility model high temperature stem body temperature checker；

Fig. 4 B are that measurement plate module map constitutes exploded view in the utility model high temperature stem body temperature checker；

Fig. 4 C are the front view for measuring thermocouple cold junction compensation structure in plate module；

Fig. 4 D are the structural exploded view for measuring thermocouple cold junction compensation structure in plate module；

Fig. 4 E are to measure the sectional view intercepted along line A-A in Fig. 4 C in plate module；

Fig. 4 F are to measure the structural schematic diagram that thermocouple cold junction compensation structure is used cooperatively with thermocouple in plate module；

Fig. 4 G are the working curve for measuring thermocouple cold junction compensation structure in plate module；

Fig. 5-1 be the utility model high-temperature furnace body in temperature checker with circumferential component scheme of installation；

Fig. 5-2A are the utility model high-temperature furnace body structural decomposition diagram；

Fig. 5-2B are outside drawing after the assembly of the utility model high-temperature furnace body；

Fig. 5-3 is the utility model high-temperature furnace body cross-section structure and gas channel schematic diagram；

Fig. 5-4A are understructure top view in the utility model high-temperature furnace body；

Fig. 5-4B are understructure bottom view in the utility model high-temperature furnace body；

Fig. 5-5 is locating piece bottom substance schematic diagram in the utility model high-temperature furnace body；

Fig. 5-6 is pedestal and vertical view after the installation of heat insulation cylinder outer barrel in the utility model high-temperature furnace body；

Fig. 5-7A are a kind of concrete structure schematic diagram of air-valve used in the utility model high-temperature furnace body；

Fig. 5-7B are a kind of concrete structure stereogram of air-valve used in the utility model high-temperature furnace body；

Fig. 5-7C are another concrete structure exploded view of air-valve used in the utility model high-temperature furnace body；

Fig. 5-7D are another concrete structure stereogram of air-valve used in the utility model high-temperature furnace body；

Fig. 5-8 is more gas channel schematic diagrames in the utility model high-temperature furnace body.

Reference numeral：

Complete machine part numbers：High-temperature furnace body 1, system plate module 3, measures plate module 4, instrument undersetting at control plate module 2 5, instrument outer cover 6, protective device 7, build-up member 9；

Part numbers in high-temperature furnace body 1：See that sub-unit introduces chapters and sections；

Control part numbers in plate module 2：Control board mount 21, Switching Power Supply 22, partition board 23, control panel 24, water conservancy diversion wind Fan 25, mounting plate 26；

Part numbers in system plate module 3：System version 31 touches platen bracket 32, touch LCD screen 33, touch screen foam 34, touch screen panel 35, connectivity port 36, interface holes 37；

Measure part numbers in plate module 4：Measurement plate 41, front panel 42, TC socket elements 43, TC jack interfaces 44, electricity Survey column 45, electrical measurement column perforation 46；

43 part numbers of TC socket elements：Cold junction temperature sensor 01, shrapnel 02, the second equal heat block 03,

Part numbers in instrument outer cover 6：Side ventilation slot group 61, upper ventilation slot group 62.

Specific implementation mode

The utility model provides a kind of high temperature stem body temperature checker, and the component part of the temperature checker uses modularization Design, Figure 1B show the composition of the high temperature stem body temperature checker comprising have high-temperature furnace body 1, control plate module 2, system Plate module 3 measures plate module 4 and instrument undersetting 5, instrument outer cover 6, high-temperature furnace body 1, control plate module 2 and measurement plate module 4 On instrument undersetting 5, system plate module 3 is assemblied in before instrument outer cover 6 assembled in sequence from the front to the back, and instrument outer cover 6 fills It fits over 5 top of instrument undersetting and high-temperature furnace body 1, control plate module 2 and measurement plate module 4 is contained in instrument outer cover 6 In cover body.More preferably, to prevent from scalding operating personnel from the upward high temperature of high-temperature furnace body 1 in instrument use, in instrument outer cover 6 Top set a protective device 7.Outside drawing is as shown in Figure 1A after final assembly.

The each section for constituting high temperature stem body temperature checker is described below：

High-temperature furnace body

In high temperature stem body temperature checker, high-temperature furnace body is for providing stable temperature environment.The high-temperature furnace body 1 is whole Pass through dress for control plate module 2 and complete machine instrument undersetting 5 adjacent in modularized design, with high temperature stem body temperature checker It is fixed (as used mounting screw) with component 9, so that high-temperature furnace body 1 is conveniently dismounted, referring to shown in Fig. 5-1.

1 part numbers of the utility model high temperature furnace body：

Pedestal 11, heating rod 12, isothermal block 13, heat insulation cylinder 14, locating piece 15, cooling fan 16, air-valve 17, air-valve two 18, air-valve 3 19, support column 20；

11 part numbers of pedestal：Holder 11-1, support column mounting hole 11-2, convex block 11-3, straight slot 11-4, strip boss 11-5, Outer cylinder stop block 11-6, ventilation opening 11-7, positioning pin nail hole 11-8；

Inner cylinder 14-1, outer barrel 14-2, are quickly cooled down channel C 1, two level cooling duct C2, heat dissipation channel C3,

15 part numbers of locating piece：Centre bore 15-1, air stream outlet 15-2, alignment grooves 15-3；

17 part numbers of air-valve：Frame 17-1, blade 17-2, connecting rod 17-3, motor 17-4, motor mounting plate 17- 5, mounting hole 17-6, blade bent axle 17-7, sharf 17-8, electronic machine crankshaft 17-9, limited post 17-10 and 17-11, grab 17-12；

2 18 part numbers of air-valve：Supporting rack 18-1 moves wind shield 18-2, fixed wind sheild 18-3, rotary shaft 18- 4, central shaft 18-5；

3 19 part numbers of air-valve：Support frame 19-1, sheet wind shield 19-2.

Referring to Fig. 5-2A and Fig. 5-2B, high-temperature furnace body 1 includes：It is placed in the pedestal 11 of bottom, is placed in the constant temperature on pedestal top Block 13, heating rod 12 and the heat insulation cylinder 14 for being placed in isothermal block periphery, and it is placed in the locating piece 15 at top.Heating rod 12 is pacified It is the heating element of furnace body inside isothermal block 13；Between heat insulation cylinder 14 is placed in 13 periphery of isothermal block and has between isothermal block Away from；Pedestal 11 is the installation pedestal of heat insulation cylinder 14 and isothermal block 13；Locating piece 15 connect 14 top of heat insulation cylinder and with isothermal block 13 In heating rod 12 contraposition fix (in conjunction with Fig. 2 B).

Shown in Fig. 5-3, Fig. 5-4A and Fig. 5-4B, the whole box like structure in lower open mouth of pedestal 11, The whole installation pedestal as heat insulation cylinder 14 and isothermal block 13 then installs cooling fan 16 in box body lower cavity.This practicality is new The preferred embodiment of type furnace body is that air-valve 17 is further arranged in high-temperature furnace body 1 to obstruct the air-flow below furnace body (i.e. Just cooling fan 16 is closed), air-valve 17 and cooling fan 16 are assemblied in the box body cavity of pedestal 11, are upwards airintake direction, Air-valve 17 is located at 16 top of cooling fan.Installation cooling fan 16, the guiding of air-valve 17, positioning knot are equipped in 11 box body of pedestal Structure, for example, as shown in Figure 4 B, the surface of the lower cavity of pedestal 11 is formed with multiple (such as 6) limit protrusion 11-10, it should Limit protrusion is convenient for air-valve for playing position-limiting action to air-valve 17 during installing air-valve 17 and can have both guide function 17 are located in the corresponding position (such as with 13 relative position of isothermal block mounted in 11 top of pedestal) in 11 lower cavity of pedestal；Wind When valve 17 and 16 frame design of cooling fan are rectangular, mounting hole is all had on four angles of frame, it is corresponding inside pedestal 11 There are four threaded holes for tool on position, and air-valve 17, cooling fan 16 are fixed on to the box cavity of pedestal 11 together using screw.

With continued reference to Fig. 5-4A, 11 top of pedestal of box like structure is rib-like supporting structure, the void area between rib It is connected to box cavity, holder 11-1 centre bits install a support column mounting hole 11-2 for installing support column 20, support column 20 Isothermal block 13, support column mounting hole 11-2 is supported to may be designed as oblate shape to fix support column 20, support column 20 and isothermal block 13 Lower part is fixedly connected.More preferably, this rib holder 11-1 is in bridge arch shape, is arched upward from side to centre, easy to support solid Determine support column 20, while the stress of holder 11-1 can also be improved, reduces its deformation.Holder 11-1 structures, can by so optimization To increase current rate, increase gas channel area, reduces air flow resistance.Centre, which is arched upward, to be additionally favorable for and is mounted on branch The air-valve 17 of 11 lower part of frame, 16 center of cooling fan space out, and advantageously reduce in air-valve 17, especially cooling fan 16 The operating temperature of center portion position motor.

In base of furnace body 11, rib-like holder 11-1 can there are many rib set-up modes, various forms to be both needed in rib Support column mounting hole 11-2 is set on shape holder 11-1.

The centre position horizontal direction of 11 bottom two relative side of base of furnace body sets up two positioning pin nail hole 11-8 separately, uses In guiding and precise positioning when high-temperature furnace body 1 is installed to complete machine instrument undersetting 5.Pedestal 11 and complete machine instrument undersetting The build-up member 9 of 5 connections can set up separately in the horizontal direction in the both sides positioning pin nail hole 11-8, pass through this four 11 bottom waters of pedestal Square upward build-up member 9 is connect with instrument undersetting 5 (in conjunction with Fig. 5-1).

Referring to Fig. 5-3 and Fig. 5-2B, heat insulation cylinder 14 divides inner cylinder 14-1 and outer barrel 14-2 to be arranged.In conjunction with Fig. 5-2B Shown, inner cylinder 14-1 is closed double-layer structure, by inner wall, outer wall and the sealing plate at both ends constitute one it is hollow heat-insulated Cylinder, hollow heat insulation cylinder can not only have light weight, heat-insulated good spy using air static between two layers as heat insulating belt Point can more effectively reduce heat transfer of the isothermal block 13 to surrounding components, the temperature of surrounding components is greatly reduced；Outer barrel 14-2 is single layer plate body structure in favor of rapid cooling.Inner cylinder 14-1 is placed in 13 outside of isothermal block and there are spacing, outer barreies 14-2 is placed on the outside of inner cylinder 14-1 and there are spacing, inner cylinder 14-1 and the bottoms outer barrel 14-2 to be fixed on base of furnace body 11 Upper surface, top are fixed by locating piece 15, and there are air stream outlet 15-2 for locating piece 15 (referring to Fig. 5-5 and Fig. 5-6).This practicality New embodiment does not limit the concrete shape of locating piece 15, can realize that clamping function, 15 both ends of locating piece can be distinguished One or two are arranged to be used for and 1 fixed mounting hole of high-temperature furnace body.In conjunction with shown in Fig. 5-4A, in 11 upper table of base of furnace body Distribution sets four strip boss 11-5 on the outside of face, and four strip boss 11-5 length directions are identical, for being oriented to, positioning and fix The outer barrel 14-2 of heat insulation cylinder 14, outer barrel 14-2 are socketed in from top to bottom on the outside of strip boss 11-5；For preferably to outer barrel The installation of body 14-2 is oriented to, and can also be added in the periphery line that 11 upper table EDS maps of base of furnace body set four strip boss 11-5 If Outer cylinder stop block 11-6, the limited deformation of outer barrel 14-2 can be determined, correcting, preferably, Outer cylinder stop block 11-6 is set In the centre position of two neighboring strip boss 11-5 lines, and positioned at the inner or outer side of outer barrel 14-2, if multiple outer barrels Best opposite side is symmetrical arranged when limited block 11-6, and can a part be located at positioned at the inside of outer barrel 14-2 and another part it is outer Side.

With continued reference to Fig. 5-3 and Fig. 5-2B, four are set in 11 upper surface rib-like holder 11-1 edge distributions of base of furnace body Mounting hole is opened up on the outside of convex block 11-3, each convex block 11-3, the inner cylinder 14-1 for positioning and fixing heat insulation cylinder 14, inner cylinder Body 14-1 is socketed in from top to bottom on the outside of convex block 11-3, and the mounting hole opened up by convex block 11-3 using fixing bolt is by inner cylinder 14-1 is fixed on the pedestal 11.For stationary positioned inner cylinder 14-1 convex block 11-3 with for being oriented to, positioning and fixed outer cylinder There are a distance between the strip boss 11-5 of body 14-2, the pitch match of the distance and outer barrel 14-2 and inner cylinder 14-1, In pedestal 11, the segment distance is formed by the region of holder 11-1, opens up the straight slot 11- being connected to 1 lower cavity of pedestal 4, length that straight slot 11-4 is opened up, quantity and position in the region are unlimited but more excellent multiple uniformly to open up.

In this way, heat insulation cylinder 14 and isothermal block 13 together constitute two independent air ducts, wherein inner cylinder 14-1 medial surfaces Interval between 13 lateral surface of isothermal block forms a cooling duct C1, when furnace body needs cooling, the cooling fan 16 of lower section A large amount of high speed cold airs are blown over isothermal block 13 and inner cylinder 14-1 inner walls by work, and by heat via cooling duct C1 to On from the air stream outlet 15-2 discharge of locating piece 15.Interval between inner cylinder 14-1 lateral surfaces and outer barrel 14-2 medial surfaces is formed Two level cooling duct C2 enters the C2 free convections of two level cooling duct using the air below furnace body via straight slot 11-4 Further to be cooled down to inner cylinder 14-1, to achieve the purpose that effectively to control outer barrel 14-2 wall surface temperatures.Furnace body cuts open Face is illustrated and cooling air-flow distribution refers to shown in Fig. 5-3.

To preferably keep the stabilization of furnace body temperature, the utility model one kind is it is preferable that the high temperature shown in Fig. 5-3 Air-valve 17 is mounted in furnace body 1.The effect of air-valve 17 is turned off the cross-ventilation road that channel C 1 is quickly cooled down around isothermal block 13 Diameter prevents convected air from influencing the thermal field of isothermal block 13.Any wind valve structure that can reach the function is used equally for this practicality In new type high temperature furnace body 1.As a specific example, Fig. 5-7A and Fig. 5-7B give a kind of concrete structure of air-valve 17, Change shape, change blade shape etc. not as the limitation to 17 other configurations of air-valve, such as according to furnace body shape.

Air-valve 17 shown in Fig. 5-7A and Fig. 5-7B includes frame 17-1, the multiple leaves parallel to each other being arranged in frame Piece 17-2, the connecting rod 17-3 being connect with multiple blades and the driving device being connect with connecting rod such as motor 17-4, the electricity Motivation 17-4 is fixed on frame 17-1.

Specifically, frame 17-1 be it is rectangular, be formed in its opposite two side walls multiple through-holes relative to each other with Allow the blade 17-2 between two side to pass through through-hole and then is set up in the two side walls, the two side walls with through-hole In one extend a motor mounting plate 17-5, be used to install motor 17-4, the motor mounting plate 17-5 with The frame can be integrally formed or be fixedly connected.Mounting hole 17-6 is formed on four angles of the frame 17-1 to be used for and height The connection installation of 1 bottom of warm furnace body, the length of side and the 1 bottom outline border of high-temperature furnace body of the square frame match, frame 17-1 frames The length of side is 60 millimeters to 120 millimeters so that air-valve and the furnace body matching size of stem body temperature checker close, in one embodiment In, 1 bottom of high-temperature furnace body is square, and the frame 17-1 of air-valve is also square, and size dimension is 92 millimeters；In another implementation In example, shown in Fig. 5-7B, grab is respectively formed on the outer surface of one or more of four side walls of frame 17-1 17-12, guiding when being installed for cooling fan 16 and positioning.

Blade 17-2 is rectangle thin plate, and one end of blade has bent axle 17-7, blade (close to one end of connecting rod 17-3) The other end have sharf 17-8, blade bent axle 17-7, blade 17-2 and sharf 17-8 are integrally formed and are made.Often The sharf 17-8 and blade bent axle 17-7 at the both ends piece blade 17-2 are clamped respectively into the phase on the two sides the frame 17-1 To that in through-hole, so that the blade 17-2 is erected in the frame 17-1, and can be rotated freely.The leaf There is no limit in a particular embodiment, the number of the blade is preferably 5 to the number of piece 17-2.

There are multiple through-holes, the number of the through-hole is identical as the number of blade 17-2, blade one end on connecting rod 17-3 The 17-7 clampings of blade bent axle enter the through-hole of the connecting rod.Multiple blade 17-2 are connect with connecting rod 17-3 in an identical manner, even Bar 17-3 movements drive multiple blade 17-2 to rotate together so that multiple blade 17-2 are moved synchronously.

Motor 17-4 is mounted on motor mounting plate 17-5, the rotary shaft of the one end electronic machine crankshaft 17-9 and motor It is fixed, other end is connect with connecting rod 17-3.On motor mounting plate 17-5 and air-valve frame 17-1, respectively has and limited at one Position column 17-10 and 17-11 are used for extreme position at the two of restrictions motor bent axle 17-9 rotations, and then restrictions motor 17-4 The rotation angle of rotary shaft.

During 17 use of air-valve, under the driving of motor 17-4, electronic machine crankshaft 17-9 is with the rotation of motor Axis pivots about, and drives connecting rod 17-3 movement, so by multiple blade bent axle 17-7 band movable vane piece 17-2 with it is electronic Machine crankshaft 17-9 synchronous rotaries, in the present embodiment, when electronic machine crankshaft 17-9 rotates to contact the limit being located on air-valve frame When the column 17-11 of position, each parallel to plane where frame 17-1, air-valve 17 is in and completely closes shape on the blade face of all blade 17-2 State, as shown in fig. 5-1；When electronic machine crankshaft 17-9 rotates to contact the limited post 17-10 being located on motor mounting plate 17-5 When, the blade face of all blade 17-2 is each perpendicular to plane where frame 17-1, and air-valve 17 is in full open position.By accurate Control rotation angle of the rotary shaft of motor 17-4 between two limited post 17-10 and 17-11, you can pass through electronic machine crankshaft 17-9, connecting rod 17-3 and blade bent axle 17-7, accurately control the rotation angle of blade 17-2, and then accurately control air-valve 17 Opening degree.

Fig. 5-7C are please referred to, the air-valve for providing another structure type is known as air-valve 2 18 comprising supporting rack 18-1, The polylith wind shield and driving device being arranged inside braced frame.The inner edges support frame as described above 18-1 are circle, and wind shield is fan Shape can be divided into alternatively distributed fixed wind sheild 18-3 and removable wind shield 18-2, and polylith fixed wind sheild 18-3 is with it Fan-shaped long side is uniformly fixed on supporting rack 18-1 circular inner edges, and polylith is moved wind shield 18-2 and uniformly fixed with its fan-shaped short side In a central shaft 18-5.The driving device includes motor and the rotary shaft 18-4 being connect with motor, the rotary shaft with it is removable The rotary shaft 18-4 connections at the dynamic centers wind shield 18-2 simultaneously can drive the multiple removable fan-shaped wind shield moving in rotation.Institute It states the central shaft 18-5 and rotary shaft 18-4 and is coaxially arranged connection, proper of the neutral gear region between adjacent fixed wind sheild 18-3 Covering of the fan with removable wind shield 18-2, and the neutral gear region between adjacent removable wind shield 18-2 just matches fixed wind sheild The covering of the fan of 18-3, when fan-shaped fixed wind sheild 18-3 and fan-shaped removable wind shield 18-2 splicings and distribution unobstructed each other When, the air-valve 2 18 is closed, and the air-flow of air-valve blocking at this time passes through itself.When the removable wind shield 18-2 of sector exists Rotation under the driving of driving device is until completely or partially Chong Die so that the two is complete with the fan-shaped fixed wind sheild 18-3 Either air-valve 2 18 is in the state opened or partially opened completely at this time when partial occlusion, and air-valve allows air-flow complete at this time Entirely or partially pass through itself.

Fig. 5-7D are please referred to, the air-valve for providing yet another construction form is known as air-valve 3 19 comprising support frame 19-1, sets Set multiple sheet wind shield 19-2 and the driving device inside support frame.The support frame 19-1 is rectangular, multiple sheet gears Aerofoil 19-2 is parallel to each other and its lateral edge is sequentially connected, such as hinged so that the angle of adjacent sheet wind shield 19-2 It can be converted into 180 degree from 0 degree, to show tiled state or folded state.Under the drive of the drive, when described Multiple sheet wind shield 19-2 form 180 degree angle each other, i.e., multiple sheet wind shields tile successively forms a plane When, the air-valve 3 19 is closed, and support frame 19-1 inner openings are completely covered by multiple sheet wind shield 19-2, and air-valve hinders at this time It keeps off air-flow and passes through itself.Under the drive of the drive, when the angle between the multiple sheet wind shield be less than 180, i.e., it is more When a sheet wind shield 19-2 is folded to side, opening inside support frame 19-1 can not be completely covered in the multiple sheet wind shield Mouthful, support frame is formed with opening in one side, and according to the opening degree of the opening, air-valve 3 19 is completely or partially opened, this When air-valve allow air-flow completely or partially pass through itself.

Similar with air-valve 17, air-valve 2 18 and air-valve 3 19 can be assemblied in high-temperature furnace body 1 shown in Fig. 5-3 and Fig. 5-4B In, details are not described herein.

It is integrally assembled for cooperation temperature checker, the high-temperature furnace body 1 in the utility model is in modularized design, also upper It states and advanced optimizes on the basis of form：

Referring to Fig. 5-4A and combining shown in Fig. 5-2B and Fig. 5-8, a plane is extended in the pedestal top of pedestal 11 to side, Issue one or more ventilation opening 11-7 on this plane, the ventilation opening be connected to the outside air from bottom of furnace body but with cooling Channel C 1 is not connected to.In this way, when high-temperature furnace body 1 is mounted in temperature checker, the high temperature with ventilation opening 11-7 on pedestal 11 There can be a spacing between other components in 1 outside of furnace body and instrument and form a gas channel C3 at the interval, be conducive to dissipate Heat is to reduce influence of the high-temperature furnace body 1 to the other components being assemblied in instrument such as controlling plate module 2.

It referring to Fig. 5-4A and combines shown in Fig. 5-1, one side bottom of pedestal of pedestal 11 can be horizontally disposed with one or more dresses With component 9, pedestal 11 is enable to be fixed by the build-up member 9 and instrument undersetting 5；The outer barrel 14-2 of heat insulation cylinder is also used as height The shell of warm furnace body 1, outer barrel 14-2 are aluminium section bar, are made by the way of post-processing, and multiple sides are equipped on one side To build-up member 9, to be connected with other modular units adjacent thereto such as control plate module 2, in this way, tight in temperature checker In the space gathered, outer barrel 14-2 also acts as the support of control plate module 2, and conveniently detachable.Lateral build-up member 9 is most Be located at well on the ventilation opening 11-7 same directions side with pedestal, in this way, the high-temperature furnace body 1 assembled and control plate module 2 it Between can form gas channel C3, be conducive to heat dissipation.

Referring to Fig. 5-2 and combining be located at shown in Fig. 5-3, Fig. 5-5 and Fig. 5-6 locating piece 15 on 1 top of high-temperature furnace body with it is outer Cylinder 14-2 connections, and righting is carried out to isothermal block 13 by heating rod 12：15 bottom of locating piece offers and 12 phase of heating rod Corresponding alignment grooves 15-3, quantity that alignment grooves 15-3 is opened up and position and the quantity of heating rod 12 and position are completely corresponding, make The top for the heating rod 12 being assemblied in isothermal block 13 be able to be stretched into corresponding alignment grooves 15-3, to define heating The righting to isothermal block is realized in 13 movement in the horizontal direction of stick 12 and isothermal block；15 middle part of locating piece is equipped with centre bore 15- 1, it is coaxial with instrument complete machine outer cover top protection plate interstitial hole with isothermal block 13, equal heat block and align；By using locating piece 15 with the precision-fits of these parts, accurately ensure that the position of isothermal block 13 and high-temperature furnace body 1.Pass through setting for locating piece 15 Meter, high-temperature furnace body 1 no longer need to be attached positioning, high temperature furnace by the frame on the other positioning components in top and complete machine outer cover It is not contacted between 1 top of body and outer cover, to be disconnected outer framework of the furnace body by top positioning component to machine shell cast aluminium Heat transfer, the temperature of outer cover for effectively reducing outer framework and being attached thereto.

Pass through the design of various optimizations described above so that high-temperature furnace body is greatly reduced to the heat transfer of instrument outer cover 6, complete machine Plastic material machine-shaping can be used in instrument outer cover, not only reduces material cost, also greatly reduces operator's contacting metal Outer cover may caused scald.

In addition, the utility model further makes optimization also directed to high-temperature furnace body 1 to the auto-strengthening function of isothermal block 13 Design：Such as, it is positioned using 4 cylinders when pedestal 11 and isothermal block 13 are installed, i.e., in the support column 20 of 13 lower part of isothermal block and perseverance Warm block 13 is fixedly connected, and support column 20 and the support column mounting hole 12-1 on holder 11-1 are (flat in such a way that cylinder scabbles Slot) it is positioned；Meanwhile on 13 top of isothermal block, four alignment grooves 15-3 nestings that 15 lower part of locating piece opens up live isothermal block The upper end of heating rod 12 (four heating rods) on 13, the torsion that so can effectively control between isothermal block 13 and pedestal 11 are inclined Difference.

For another example, pedestal processing uses die-casting process, outer barrel 14-2 processing to use squeeze technology for forming, keep its mounting surface flat Face degree and parallelism precision are all higher.

For another example, outer barrel 14-2 and the upper and lower installation form of the use of pedestal 11, for example, threaded connection on vertical direction, and All have on pedestal 11 on the inside of outer barrel 14-2 surroundings and is oriented to and position limiting structure such as strip boss 11-5, limited block 11-6 (ginseng See Fig. 5-4A and Fig. 5-6), outer barrel assembly precision is basic and machining accuracy is suitable, eliminates rigging error.

The utility model has also carried out well-designed in terms of air-flow trend：First, isothermal block 13 and inner cylinder 14-1 it Between form one by cooling fan 16 and air-valve 17 control air-supply for the gas channel to 13 fast cooling of isothermal block i.e. Cooling duct C1 is effectively utilized 11 box cavity space of pedestal, can install more existing by optimizing the design of base of furnace body 11 There is the larger sized fan of technology so that the cooling rate of the utility model furnace body is significantly increased.It is logical referring to C1 shown in Fig. 5-8 Road.

Second, in 1 cavity of base of furnace body, 16 outline border of cooling fan, 17 outline border of air-valve, inner cylinder 14-1 and outer barrel 14- Region between 2 forms second gas channel i.e. two level cooling duct C2, when furnace body works, into two level cooling duct Outside air in C2 can reduce the temperature of inner cylinder 14-1 and outer barrel 14-2, reduce heat transfer of the high-temperature furnace body to complete machine.Ginseng See the channels C2 shown in Fig. 5-8.

Third, as viewed in figures 5-8, also in addition devising cooling channel C 3, which is that bottom of furnace body air is logical The ventilation opening 11-7 set by 11 side of pedestal is crossed, between other components in 1 heat insulation cylinder of high-temperature furnace body, 14 outside and instrument especially The gas channel formed, for the other components being assemblied in instrument such as control plate module 2 (referring to Fig. 5-1) into Row cooling.

1 advantageous effect of high-temperature furnace body has：

1), inner cylinder is closed double-layer structure, using air static between two layers as heat insulating belt, has quality Gently, heat-insulated good feature.

2), high-temperature furnace body has the function of auto-strengthening isothermal block.

3), modularized design allows high-temperature furnace body to be completely independent with the other parts of product, can effectively improve production, dimension The convenience repaiied reduces production, maintenance cost.

4) it, is laid out by exquisiteness, makes high-temperature furnace body more compact, application is more convenient.

5) high temperature air of high-temperature furnace body will not be made to the other parts working environments of product for, independent Duct design At baneful influence, to reduce the high temperature ageing risk of electronic component.The fever pair of other parts is also completely cut off simultaneously The influence of furnace body improves the stability and precision of high-temperature furnace body work.

6), isothermal block can be reduced equipment adjustment process, improved production efficiency by structure auto-strengthening.

Control plate module

In high temperature stem body temperature checker, control plate module is used to maintain the temperature environment of high-temperature furnace body stabilization.This reality In novel, control plate module 2 is modularized design, and as shown in Figure 2 A and 2 B, control plate module 2 includes a slot type control panel Holder 21, Switching Power Supply 22 (ESP-120-24 Switching Power Supplies) are assemblied in the groove body inner bottom surface of control board mount 21, are laid with each Control element and the control panel of connection line 24 are mounted on the groove body top surface of control board mount 21, in Switching Power Supply 22 and control Between plate 24 install partition board 23, Switching Power Supply 22 can be used for simultaneously or respectively control panel 2, system board 3 power supply, due to Switching Power Supply 22 (ESP-120-24) can generate heat when working, and setting partition board 23 can stop that heat influences control panel, in addition be arranged Partition board 23 is also convenient for air-flow and is flowed up under diversion fan 25 (referring to describing below) effect.Control board mount 21, switch electricity Source 22, partition board 23 and control panel 24 are assembled to form integrated control plate module 2.

Plate module 2 will be controlled for convenience in instrument, and one or more is set in 21 groove body bottom of control board mount The build-up member 9 of horizontal layout, mounting hole and the mounting hole on instrument undersetting 5 of build-up member 9 align, with by installing spiral shell Control plate module 2 is fixed on instrument undersetting 5 by nail；In addition extend in 21 groove body bottom surface of control board mount and set multiple departments of assembly Build-up member 9 outside part 9, with adjacent high-temperature furnace body aligns, will control plate module 2 and high-temperature furnace body 1 by mounting screw It is fixedly connected.

In more preferably designing, control plate module 2 further includes diversion fan 25, and diversion fan 25 is fixed on a mounting plate 26 In mounting hole, which is fixed on the top of control board mount 21；The diversion fan 25 work can make control plate module 2 Internal gas flow moves, moreover it is possible to which introducing outside air from 2 lower section of control plate module, (the instrument undersetting 5 of 2 lower section of control plate module is opened If ventilation slot), to realize to other modules adjacent thereto in control plate module 2 and instrument, such as 1 periphery of high-temperature furnace body Heat dissipation.

In addition, also may include bluetooth, wifi components in the control panel 24 of control plate module 2, to realize wireless communication.

Measure plate module

In high temperature stem body temperature checker, measures plate module and measure line for connecting.In the utility model, template die is measured Block 4 is modularized design, as shown in Figure 4 A and 4 B shown in FIG., measures the measurement plate 41 and front panel that plate module includes contraposition setting 42, TC socket elements 43 are provided in measurement plate 41, on front panel 42 contraposition be equipped with socket aperture 44, laid in measurement plate 41 more A test connection terminal 45 is correspondingly provided with multiple terminal holes 46 on front panel 42.Measurement plate 41 and the contraposition of front panel 42 overlapping are simultaneously It fixes to be formed in surrounding and measures plate module 4, measure the whole leading flank lower part for being assemblied in instrument outer cover 6 of plate module 4, measure template die 4 top of block can be fixed by screw and instrument outer cover 6, and bottom can also be fixed by screw and instrument undersetting 5, measure template die There is a spacing in favor of heat dissipation before block 4 is located at control plate module 2 and between control plate module 2.

In order to accurately measure the temperature of thermocouple, measurement plate component 4 is integrated with TC socket elements 43, is thermocouple cold junction Temperature compensation structure, thermocouple cold junction compensation structure TC socket elements 43 are fixed on measurement by the screw that tail portion carries On plate 41, front end two socket 041 (referring to Fig. 4 D) is aligned with the socket aperture 44 on front panel 42, can penetrate socket aperture 44 Grafting thermocouple.

Common cold junction compensation structure is using placement block in cold end thermal insulation barn and cold junction temperature is made to sense Device, thermocouple cold junction and block fit closely, because of thermal resistance existing between thermocouple cold junction and block in the structure, because This needs to wait for the long period, especially to make the temperature difference of cold junction temperature sensor and thermocouple cold junction on block reduce When being measure batch thermocouple, efficiency is low.In order to solve this problem, one kind is proposed in the utility model measurement plate module to be used for Thermocouple cold junction compensation structure, that is, TC socket elements 43 of thermocouple cold junction are quickly measured, which can be shorter Time in so that the temperature of 05 cold end of thermocouple and the temperature of cold junction temperature sensor 01 is reached an agreement, improve thermocouple cold junction temperature The measurement efficiency of degree.

Fig. 4 C to Fig. 4 G are the schematic diagram of the thermocouple cold junction compensation structure.As shown in Fig. 4 C to Fig. 4 G, the thermoelectricity Even cold junction compensation structure includes cold junction temperature sensor 01, shrapnel 02 and the second equal heat block 03, and the second equal heat block 03 is big thermal capacitance Heat carrier equipped with two pieces and has spacing；Shrapnel 02 is the small good elastomer of thermal capacitance heat conduction, is equipped with two panels, is individually fixed in two In the second equal heat block 03 of block, shrapnel 02 is designed as S shape structures, and tail end (right side is tail end in Fig. 4 E) is fixed on the second soaking The head end of the tail portion of block 03, shrapnel 02 raises up, and shrapnel 02 is freely placed in the upper table of the second equal heat block 03 by the part of near head end Face, since shrapnel 02 has elasticity, 05 cold end of thermocouple can be inserted into from 02 head end of shrapnel shrapnel 02 and the second equal heat block 03 it Between (referring to Fig. 4 F).Cold junction temperature sensor 01 has the characteristics that size is small, thermal capacitance is low, can be mounted on the upper of any shrapnel 02 Side, the cold junction temperature for measuring thermocouple 05.Preferably, heat-conducting glue can be added between two second equal heat blocks 03, is conducive to heat Amount carries out hot transmission between two second equal heat blocks 03, ensures that the temperature of two second equal heat blocks 03 is consistent substantially.In addition, cold End temperature sensor 01 is usually bonded on shrapnel 02, and glue overflows shrapnel 02 in bonding process in order to prevent, viscous in shrapnel 02 A backplate is respectively set in the position both sides for connecing cold junction temperature sensor 01.

In order to which the temperature value for measuring cold junction temperature sensor 1 is further processed and is applied, cold junction temperature sensor 01 draws Outlet is drawn line terminals 06 by one and is drawn, and draws line terminals 06 and is plugged into measurement plate 42.

Easy to use in order to which thermocouple cold junction compensation knot to be encapsulated, thermocouple cold junction compensation structure is also wrapped A cap bag 04 is included, cap bag 04 is a quadrangle box, and cold junction temperature sensor 01, shrapnel 02 and the second equal heat block 03 are placed in cap bag In 04, the second equal heat block 03 is fixed by screw 07 and cap bag 04, the tail of the lead-out wire of cold junction temperature sensor 01 from cap bag 04 After portion is drawn in access lead-out wire terminal 06, there are two socket 041, which corresponds to shrapnel 02 respectively for the front end setting of cap bag 04 With the cold end of the position between the second equal heat block 03, thermocouple 05 shrapnel 02 and second is inserted respectively into from two sockets 041 Between heat block 03, under the action of the elastic force of shrapnel 02, shrapnel 02 is tight with the cold end of thermocouple 05 with the second equal heat block 03 Contiguity is touched.

In order to ensure the performance of thermocouple cold junction compensation structure, it is desirable that the thermal capacitance of the second equal heat block 03 is much larger than shrapnel 02 and cold junction temperature sensor 01 thermal capacitance, meanwhile, 05 cold end of thermocouple, the second equal heat block 03, shrapnel 02 and cold junction temperature pass 01 equal thermal conductivity of sensor is good；Cold junction temperature sensor 01 on shrapnel 02 will do insulation with environment as possible, such as cold The part that end temperature sensor 01 is not contacted with shrapnel 02 applies plastic sheath or adds adiabatic glue.

In actual use, cold when thermocouple 05 between the cold end access shrapnel 02 and the second equal heat block 03 of thermocouple 05 When holding temperature and inconsistent the second equal heat block 03, shrapnel 02, has heat and be transmitted to the second equal heat block 03 from 05 cold end of thermocouple With shrapnel 02, since the thermal capacitance of the second equal heat block 03 is relatively very big, the temperature of 05 cold end of thermocouple can tend to the temperature of equal heat block 03 Degree, simultaneously because 01 thermal capacitance of cold junction temperature sensor on shrapnel 02 and shrapnel 02 is relatively small, cold junction temperature sensor 01 Temperature can quickly tend to the temperature of 05 cold end of thermocouple, and the temperature of cold junction temperature sensor 01 is made to be rapidly achieved and thermocouple 05 Cold junction temperature is almost the same.

Fig. 4 G show that the working curve of the thermocouple cold junction compensation structure, whole work process are divided into three ranks Section：

First stage：Cold junction temperature sensor 01 and the second equal heat block 03 are in cap bag 04 and (are equivalent to traditional cold end to protect Warm storehouse) in, temperature is almost the same；The temperature of 05 cold end of thermocouple and cold junction temperature sensor 01, the temperature of the second equal heat block 03 It is inconsistent.

Second stage：05 cold end of thermocouple starts the cold end simultaneously in the second equal heat block 03 and shrapnel 02 and shrapnel 02 Temperature sensor 01 transmits heat, while temperature starts to change, and 05 cold junction temperature of thermocouple is intended to cold junction temperature sensor 01 (shrapnel 02) and the second equal heat block 03；The thermal capacitance of second equal heat block 03 is relatively large, and the opposite variation of temperature is slow, at the same be also by Big in 03 thermal capacitance of the second equal heat block, the temperature of 05 cold end of thermocouple can be faster to the temperature change of the second equal heat block 03；Shrapnel 02 and shrapnel 02 on 01 thermal capacitance of cold junction temperature sensor it is smaller, temperature change is very fast, the cold end temperature on shrapnel 02 and shrapnel 02 Spend sensor 01 temperature can 05 cold end of quick thermoelectric couple temperature change；In the second equal heat block 03 and the synthesis of shrapnel 02 Under the influence of, the temperature that the temperature of cold junction temperature sensor 01 can be rapidly with 05 cold end of thermocouple reaches unanimity, second stage knot The temperature of Shu Shi, the cold junction temperature sensor 01 on shrapnel 02 are almost the same with the temperature of 05 cold end of thermocouple, but with The temperature of two equal heat blocks 03 also some gaps.

Phase III：01 temperature of cold junction temperature sensor almost synchronous variation in 05 cold end of thermocouple and shrapnel 02, it is cold The temperature of end temperature sensor 01 can accurately reflect the temperature of 05 cold end of thermocouple.

The thermocouple cold junction compensation structure can quickly measure thermocouple cold junction, efficient.It is surveyed in thermocouple During amount, in order to make 05 cold junction temperature of thermocouple consistent with the temperature of cold junction temperature sensor 01, the thermocouple cold junction Stand-by period can be reduced to even several seconds more than ten seconds by even more than ten minutes original a few minutes and (depend on thermoelectricity by collocation structure The factors such as even 05 cold end and the temperature of cold junction temperature sensor 01), especially the measure batch thermocouple cold junction the case where Under, measurement efficiency can be significantly improved, the time is saved.

System plate module

In high temperature stem body temperature checker, system plate module is used for parameter setting, and data are shown to realize human-computer interaction. In the utility model, system plate module 3 is modularized design, and as shown in Figure 3A and Figure 3B, system plate module 3 includes from the front to the back Touch screen panel 35, touch screen foam 34, touch LCD screen 33, touch LCD platen bracket 32 and the system board 31 set gradually, Touch screen panel 35 is hood-like, and cover opens up and the matched assembly area of 33 shape and size of touch LCD screen, system board 31 The side one or more connectivity ports 36 of setting, 35 side of corresponding touch screen panel there are interface holes 37, connectivity port 36 with Interface holes 37 correspond to installation, and touch screen foam 34, touch LCD screen 33, touch LCD platen bracket 32 and system board 31 are sequentially to tactile It touches to be stacked to assemble in 35 cover body of panel plate and is formed as one system plate module 3.3 left and right sides of system plate module pass through spiral shell respectively Nail is connect with instrument outer cover 6, is so detachably arranged in the leading flank top of instrument outer cover 6.

Instrument outer cover and instrument undersetting

Be additionally provided with instrument outer cover 6 and instrument undersetting 5 in the utility model high temperature stem body temperature checker, referring to Figure 1A and Shown in Figure 1B, which opens, and is integrally placed on instrument undersetting 5 and solid with the clamping of the side of instrument undersetting 5 It is fixed, it controls plate module 2 and high-temperature furnace body 1 is contained in the space that instrument outer cover 6 is formed with instrument undersetting 5；Instrument outer cover 6 Leading flank lower part offer and measure 4 shape and size of plate module matched assembly areas, leading flank top opens up and system The matched assembly area of 3 shape and size of plate module, top surface offer the jack of position opposite with 1 upper end fire door of high-temperature furnace body to Accommodate tested device.

For that can radiate well, 1 periphery of instrument outer cover 6 and high-temperature furnace body is there are spacing, and 6 side Kao Ding of instrument outer cover Portion position opens up side ventilation slot group 61, be so on the one hand avoided that with the contact of high-temperature furnace body 1, on the other hand can well in the future It is discharged from the hot gas of high-temperature furnace body 1 from side and hot gas is avoided to burn tested device handle.It advanced optimizes, instrument outer cover 6 top surfaces open up upper ventilation slot group 62 close to avris position, can so reinforce the hot gas discharge from instrument internal, be conducive to instrument Integral heat sink.One-step optimization again, there are spacing for the diversion fan 25 of 2 upper end of instrument outer cover 6 and control plate module, in this way, water conservancy diversion It when fan 25 works, not only moves 2 interior air-flow of control plate module, also drives the 6 internal gas flow movement of instrument outer cover, be conducive to instrument Device integral heat sink.Due to the design of the above radiating mode, instrument outer cover 6 can be made of plastic material, not only save fee of material With, can more reduce weight, make the utility model temperature checker be suitable for move carrying.For ease of carrying, 6 top of instrument outer cover Handle can also be designed.

Instrument undersetting 5 is the support of complete machine, and connects and fixes to form tool housing with instrument outer cover 6.Instrument undersetting 5 Bottom surface be distributed with several mounting holes for assembling high-temperature furnace body 1, control plate module 2, measuring plate module 4 and instrument outer cover 6, It is empty to provide external gas into instrument, open up several ventilating groove holes, the shape of ventilating groove hole in the bottom surface of instrument undersetting 5 and side Formula, quantity, position etc. are designed according to distribution, are not limited.

Protective device

It can also be further provided with protective device 7 in the utility model high temperature stem body temperature checker, such as protective frame or anti- Shield, shown in Figure 1A and Figure 1B, protective device 7 is placed in the top of instrument outer cover 6, and lateral layout is at being conducive to and outside air The form of convection current to lateral in favor of radiating, frame leg form as shown in Figure 1B or other ribs with larger area air outlet Plate form；The top of protective device 7 is protective plate, is provided only with and is inserted at the top of 1 upper end fire door of high-temperature furnace body and instrument outer cover Hole accommodates tested device with respect to the hole of position.Having added protective device 7 can make the thermal current from high-temperature furnace body further Disperse and fast cooling to side, is burned to relieve thermal current to 7 outer tested device handle of protective device, avoid hand Handle internal sensor fails caused by high temperature, and operating personnel is also protected to pick and place the safety of tested device.

The utility model high temperature stem body temperature checker can assemble as follows：High-temperature furnace body 1 is mounted on instrument undersetting 5 Control plate module 2 is closed on 1 position of high-temperature furnace body mounted on instrument undersetting 5 and is connect with high-temperature furnace body 1 by position rearward, will Instrument outer cover 6 is placed on instrument undersetting 5 and is connected in the lateral circle surface of undersetting and fixes, and will measure plate module 4 and is mounted on instrument System plate module 3 is mounted on 6 front panel top of instrument outer cover, so completes high temperature stem body temperature by 6 front panel lower part of device outer cover Spend the final assembly of tester.When needing, protective device 7 can be mounted on 6 top surface of instrument outer cover.Due to forming temperature checker Component be modularized design, assembly is easy, is also conducive to dismounting, facilitates repair or replaces component.

In order to realize more preferably flow-guiding radiation function, high-temperature furnace body when the utility model high temperature stem body temperature checker is assembled 1 and control plate module 2 can there are a spacing, in this way, high-temperature furnace body 1 and control plate module 2 between form a gas channel (such as gas passage C3).

In the utility model high temperature stem body temperature checker, system board 31, measurement plate 41, isothermal block 13, adds control panel 24 Thermal 12, cooling fan 16, diversion fan 25 etc. are electrically connected, instrument can with autogamy power supply (such as ESP-120-24 switch Power supply), it also can external power supply.When work, system board 31 receives operational order, and operational order is sent to control by system plate module 3 Making sheet module 2, control panel 24 control heating device 12 and/or cooling fan 16 in high-temperature furnace body 1 according to the instruction and work to reach To constant working temperatures.

Claims (28)

1. a kind of high temperature stem body temperature checker, for carrying out temperature checking to high temperature detecting element, which is characterized in that including： High-temperature furnace body (1), control plate module (2), system plate module (3), instrument undersetting (5) and the instrument outer cover of modularized design (6), system plate module (3) is assemblied on instrument outer cover, and high-temperature furnace body (1) and control plate module (2) are assemblied in independently of each other On instrument undersetting (5), instrument outer cover (6) is assemblied in above instrument undersetting (5) and by high-temperature furnace body (1) and controls plate module (2) it is contained in the cover body of instrument outer cover.

2. high temperature stem body temperature checker according to claim 1, it is characterised in that：High-temperature furnace body (1) and control plate module (2) separately, instrument outer cover top surface place opposite with high-temperature furnace body (1) fire door is equipped with to accommodate the jack of tested device, and instrument It is with spacing outside device outer cover (6) and high-temperature furnace body (1), instrument outer cover (6) side opens up side ventilation slot group (61) by top position.

3. high temperature stem body temperature checker according to claim 2, it is characterised in that：Further include measuring plate module (4), measures Plate module (4) is assemblied on instrument outer cover (6) and is connect with instrument undersetting (5), measures plate module (4) and control plate module (2) there is spacing between.

4. high temperature stem body temperature checker according to claim 3, it is characterised in that：Further include being arranged in instrument outer cover (6) The protective device (7) at top, top protection plate are equipped with and jack phase at the top of high-temperature furnace body (1) fire door and instrument outer cover (6) To accommodate tested device, side is open or is the floor with air outlet in the hole of contraposition.

5. according to claims 1 or 2 or the 3 or 4 high temperature stem body temperature checkers, it is characterised in that：The high-temperature furnace body (1) Further include a pedestal (11) for being placed in bottom of furnace body including isothermal block (13), heat insulation cylinder (14) and cooling fan (16), it is described every Hot cylinder (14) is placed in the isothermal block (13) periphery and separately forms cooling duct (C1), heat insulation cylinder (14) with isothermal block (13) It is fixed on pedestal (11) with isothermal block (13), cooling fan (16) is mounted in pedestal (11) cavity；Pedestal (11) setting is logical Air holes, the ventilation hole are communicated with cooling duct (C1), and cooling fan (16) penetrates the ventilation hole and cooling duct (C1) phase It is logical.

6. high temperature stem body temperature checker according to claim 5, it is characterised in that：The heat insulation cylinder (14) includes being arranged Inner cylinder (14-1) and outer barrel (14-2), the inner cylinder is closed double-layer structure, by inner wall, outer wall and the envelope at both ends Board group is at hollow heat-insulated cylinder；Inner cylinder (14-1) is placed on the outside of isothermal block (13) cooling logical with the formation of isothermal block (13) interval Road (C1), outer barrel (14-2) are placed on the outside of inner cylinder (14-1) and separately form secondary cooling duct (C2), inner cylinder The bottom (14-1) and outer barrel (14-2) is fixed on base of furnace body (11)；At the top of inner cylinder (14-1) and outer barrel (14-2) It is fixed by a positioning block (15), locating piece (15), which is offered, to be connected to cooling duct (C1) and secondary cooling duct (C2) Air stream outlet (15-2).

7. high temperature stem body temperature checker according to claim 6, it is characterised in that：The pedestal (11) fixes heat insulation cylinder (14) end face setting support column mounting hole (11-2) is used to install the support column (18) of support isothermal block (13), support column (18) Top is fixedly connected with isothermal block (13), and support column (18) bottom end fixes in support column mounting hole (11-2)；The locating piece (15) alignment grooves (15-3) are arranged in lower part, and heating rod (12) upper end on isothermal block (13) fixes in alignment grooves (15-3).

8. high temperature stem body temperature checker according to claim 7, it is characterised in that：The pedestal (11) fixes heat insulation cylinder (14) end face is rib-like holder (11-1) structure, and the void area between rib is connected to pedestal (11) cavity, rib holder It in bridge arch shape, arches upward from side to centre, support column mounting hole (11-2) is set on rib-like holder (11-1).

9. high temperature stem body temperature checker according to claim 8, it is characterised in that：The pedestal (11) fixes heat insulation cylinder (14) end face distribution sets multiple strip boss (11-5), and outer barrel (14-2) is socketed in strip boss (11-5) outside from top to bottom Side.

10. high temperature stem body temperature checker according to claim 9, it is characterised in that：It is uniformly distributed between strip boss (11-5) Or multiple Outer cylinder stop blocks (11-6) are symmetrical arranged, Outer cylinder stop block (11-6) is located at the inner or outer side of outer barrel 14-2.

11. high temperature stem body temperature checker according to claim 10, it is characterised in that：At the edge rib-like holder (11-1) Distribution sets multiple convex blocks (11-3), and inner cylinder (14-1) is socketed on the outside of convex block (11-3) and consolidates with convex block (11-3) from top to bottom It is fixed；There are spacing, the pitch match of the spacing and outer barrel and inner cylinder between convex block (11-3) and strip boss (11-5).

12. according to high temperature stem body temperature checker described in claim 11, it is characterised in that：

Region between the corresponding outer barrel (14-2) of pedestal (11) and inner cylinder (14-1) is equipped with to be connected to pedestal (11) cavity Straight slot (11-4), straight slot (11-4) are connected to secondary cooling duct (C2).

13. according to high temperature stem body temperature checker described in claim 12, it is characterised in that：Further include air-valve, air-valve is fixed on In pedestal (11) cavity, and above cooling fan (16).

14. according to high temperature stem body temperature checker described in claim 13, it is characterised in that：The pedestal (11) extends to side Go out a plane, be equipped with one or more ventilation openings (11-7) on this plane, which is connected to from high-temperature furnace body bottom It outside air but is not connected to cooling duct (C1).

15. according to claims 1 or 2 or the 3 or 4 high temperature stem body temperature checkers, it is characterised in that：The control plate module (2) include that a slot type controls board mount (21), Switching Power Supply (22) is assemblied in the groove body of control board mount (21), control panel (24) it is mounted on the groove body top surface of control board mount (21), partition board 23 is installed between control panel in Switching Power Supply (22).

16. according to high temperature stem body temperature checker described in claim 15, it is characterised in that：Separately diversion fan (25) is set to be fixed on It is connected at the top of control plate module (2) and with the groove body of control plate module (2), the instrument undersetting (5) below control plate module (2) Open up ventilation slot.

17. according to claims 1 or 2 or the 3 or 4 high temperature stem body temperature checkers, it is characterised in that：The system plate module (3) include set gradually from the front to the back and fixed touch screen panel (35), touch screen foam (34), touch LCD screen (33), Touch LCD platen bracket (32) and system board (31).

18. according to the high temperature stem body temperature checker of claim 3 or 4, it is characterised in that：The measurement plate module (4) Cloth is provided with TC socket elements (43) and multiple test connection terminals (45) in measurement plate (41), and aligning overlapping with measurement plate fixes Front panel (42) on contraposition be equipped with socket aperture (44) and multiple terminal holes (46).

19. high temperature stem body temperature checker according to claim 18, which is characterized in that the TC socket elements (43) are Thermocouple cold junction compensation structure comprising cold junction temperature sensor (01), the second equal heat block (03) and cap bag (04), second Equal heat block (03) is equipped with two pieces and has spacing, and a shrapnel (02), cold junction temperature sensor are connected on every 1 second equal heat block (03) (01) be mounted on any shrapnel (02) upside, thermocouple (05) cold end be placed between shrapnel (02) and the second equal heat block (03) and It is close to shrapnel (02) and the second equal heat block (03), and the thermal capacitance of the second equal heat block (03) is passed much larger than shrapnel (02) and cold junction temperature The thermal capacitance of sensor (01).

20. high temperature stem body temperature checker according to claim 19, which is characterized in that the shrapnel (02) is small heat Hold, the good elastomer of thermal conductivity, be S-shaped structure, tail end is fixed on the tail portion of the second equal heat block (03), the head of shrapnel (02) End raises up, and the upper surface of the second equal heat block (03) is freely placed in by the part of near head end；It is added between two second equal heat blocks (03) Heat-conducting glue.

21. high temperature stem body temperature checker according to claim 20, which is characterized in that the thermocouple cold junction is mended Compensation structure further includes an extraction line terminals (06), and the lead-out wire of cold junction temperature sensor (01) is led to from the tail portion of cap bag (04) Line terminals (06) are drawn, line terminals (06) is drawn and is plugged in measurement plate (41)；There are two the front end settings of the cap bag (04) Socket, socket correspond to the position between shrapnel (02) and the second equal heat block (03) to be inserted into thermocouple (05) cold end.

22. high temperature stem body temperature checker according to claim 21, which is characterized in that be installed on cold on shrapnel (02) The part that end temperature sensor (01) is not contacted with shrapnel (02) adds plastic sheath or adiabatic glue；Cold junction temperature sensor (01) is logical Glue sticking is crossed on shrapnel (02), a backplate is respectively set in the position both sides of shrapnel (02) bonding cold junction temperature sensor (01).

23. according to high temperature stem body temperature checker described in claim 22, it is characterised in that：It opens instrument outer cover (6) lower end It puts, be integrally placed on instrument undersetting (5) and connected and fixed with the side of instrument undersetting；It measures plate module (4) and is mounted on instrument The side of device outer cover, system plate module (3) are mounted on the side of instrument outer cover.

24. according to high temperature stem body temperature checker described in claim 23, it is characterised in that：Near side (ns) is leaned in instrument outer cover (6) top surface Side position opens up ventilation slot group (62)；The bottom surface and side of instrument undersetting (5) open up several ventilating groove holes.

25. according to high temperature stem body temperature checker described in claim 24, it is characterised in that：Instrument outer cover (6) is by plastic material It is made.

26. according to high temperature stem body temperature checker described in claim 25, it is characterised in that：The bottom surface of instrument undersetting (5) point Several pilot holes are laid with, are set with high-temperature furnace body (1), control plate module (2), measurement plate module (4) and instrument outer cover (6) level Build-up member (9) the contraposition installation set.

27. according to high temperature stem body temperature checker described in claim 26, it is characterised in that：The control plate module (2) and height Warm furnace body (1) is parallel longitudinal, and the two adjacent side is connected and fixed by furnace body side build-up member (9).

28. according to high temperature stem body temperature checker described in claim 27, it is characterised in that：

System plate module (3) left and right sides are connect by screw with instrument outer cover (6) respectively, are measured plate module (4) and are pushed up Portion is fixed by screw and instrument outer cover (6).