CN207866392U - A kind of low temperature stem body temperature checker - Google Patents

A kind of low temperature stem body temperature checker Download PDF

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Publication number
CN207866392U
CN207866392U CN201820033217.6U CN201820033217U CN207866392U CN 207866392 U CN207866392 U CN 207866392U CN 201820033217 U CN201820033217 U CN 201820033217U CN 207866392 U CN207866392 U CN 207866392U
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China
Prior art keywords
temperature
heat
plate
low temperature
stem body
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CN201820033217.6U
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Chinese (zh)
Inventor
林建军
李学灿
吴成江
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Beijing Const Instruments Technology Inc
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Beijing Const Instruments Technology Inc
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Priority to CN201820033217.6U priority Critical patent/CN207866392U/en
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Publication of CN207866392U publication Critical patent/CN207866392U/en
Priority to PCT/CN2019/070621 priority patent/WO2019137330A1/en
Priority to US16/961,134 priority patent/US11402278B2/en
Priority to EP19738064.5A priority patent/EP3739313B1/en
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Abstract

The utility model provides a kind of low temperature stem body temperature checker, temperature checking is carried out for treating testing temperature element, furnace body, control panel component, system board component including modularized design and shell, system board component is assemblied in the leading flank of shell, furnace body and the assembly of control panel component are inside the shell, outer casing top surface is provided with several heat emission holes, and offers the through-hole for wearing temperature element (TE to be measured corresponding with furnace body fire door;There is spacing at the top of control panel component between outer casing top surface, and be provided with diversion fan at the top of control panel component, a heat emission hole inclined deflector to outer casing top surface is set above diversion fan.The utility model uses modularized design, furnace body and other assemblies, component can independent disassembling, to effectively improve the convenience of production, maintenance;The utility model furnace structure is compact, and the heatsink weight used is light, and radiating efficiency is high, improves the stability and temperature measurement accuracy of furnace body work, and the temperature for being suitable for low temperature temperature element (TE to be measured measures.

Description

A kind of low temperature stem body temperature checker
Technical field
The utility model belongs to temperature Instrument instrument check field, and in particular to a kind of low temperature stem body temperature checker.
Background technology
Stem body temperature checker at present, especially Portable dry temperature tester are widely used in the work of all trades and professions Industry scene, metering place and laboratory, have a vast market foreground.
In low temperature stem body temperature checker, furnace body in use, near temperature condition to some other yuan It is to belong to than relatively rugged environment condition for device, it is therefore desirable to which surrounding environment is isolated with other parts. Meanwhile it being used as core component, during production, use, generally require that it is individually debugged and safeguarded, existing production Product are often locked together with other parts, need to disassemble complete machine once going wrong, and considerably increase maintenance Cost.
Utility model content
The utility model provides a kind of low temperature stem body temperature checker of modular assembly.
The low temperature stem body temperature checker of the utility model is realized by following technical scheme:
A kind of low temperature stem body temperature checker carries out temperature checking, including modularized design for treating testing temperature element Furnace body (1), control panel component (2), system board component (3) and pedestal (5) and upper casing (6),
System board component (3) is assemblied in the leading flank of upper casing (6), and furnace body (1) is separately fixed at bottom with control panel component (2) On seat (5), upper casing (6) forms shell with pedestal (5) fastening, and furnace body (1) and control panel component (2) are located in shell, upper casing (6) The through-hole (63) for wearing temperature element (TE to be measured is offered with the fire door corresponding position of furnace body (1), the setting of upper casing (6) top surface is several Heat emission hole (62).
In above-mentioned low temperature stem body temperature checker, there is spacing between the control panel component (2) and upper casing (6), and control It is provided with diversion fan (26) at the top of board group part (2), the deflector to heat emission hole (62) water conservancy diversion is set above diversion fan (26) (25)。
In above-mentioned low temperature stem body temperature checker, the control panel component (2) includes control board mount (21), Switching Power Supply (22) and control panel (24), control board mount (21) are U-shaped groove structure, and Switching Power Supply (22) is placed in the U of control board mount (21) Fixed in shape slot, (24) one side lower part of control panel is equipped with a radiating block (23), and control panel (24) is fixed on control board mount (21) U-lag opening, and control panel (24) is equipped with the side of radiating block (23) towards Switching Power Supply (22);Diversion fan (26) it is mounted on the top of Switching Power Supply (22).
In above-mentioned low temperature stem body temperature checker, the system board component (3) includes the touch set gradually from front to back Panel plate (35), touch LCD screen (33), touches platen bracket (32) and system board (31), touch screen panel at touch screen foam (34) Plate (35) is hood-like, and cover opens up and touch LCD screen (33) the matched assembly area of shape and size, system board (31) side The one or more connectivity ports (36) of face setting, there are interface holes (37), connectivity ports for corresponding touch screen panel (35) side (36) installation corresponding with interface holes (37), touch screen foam (34), touch platen bracket (32) and system board at touch LCD screen (33) (31) sequentially assembly is stacked into touch screen panel (35) cover body to be integrated.
Above-mentioned low temperature stem body temperature checker further includes measurement plate component (4), and measurement plate component (4) is assemblied in upper casing (6) Side, measurement plate component (4) is electrically connected with control panel component (2).
In above-mentioned low temperature stem body temperature checker, the measurement plate component (4) includes front panel (41) and measurement plate (42), Multiple test connection terminals are provided in measurement plate (42), front panel (41) and the folded surrounding that is incorporated in of measurement plate (42) contraposition are consolidated Fixed, through-hole is arranged with test connection terminal corresponding position in measurement plate (42) in front panel (41).
In above-mentioned low temperature stem body temperature checker, measurement plate (42) is provided with TC socket elements (43), TC socket elements (43) it is a thermocouple cold junction compensation structure, is fixed in measurement plate (42), the socket (041) of front end two and front The jack being arranged on plate (41) corresponds to, and is used for from external grafting thermocouple.
In above-mentioned low temperature stem body temperature checker, pedestal (5) bottom surface and side offer ventilation slot (51);Upper casing (6) side with pedestal (5) connects and fixes.
In above-mentioned low temperature stem body temperature checker, the upper casing (6) is made of plastics.
In above-mentioned low temperature stem body temperature checker, the furnace body (1) includes furnace core (11) and cooling fan (13), cooling wind Fan (13) is placed on the lower section of furnace core (11), and the furnace core (11) includes foamed heat insulating body (11-2), is arranged in foamed heat insulating body (11-2) internal isothermal block (11-3), the equal heat block (11-7) being mounted in the open slot that the top isothermal block (11-3) is equipped with And it is fixed on the radiator of the both sides foamed heat insulating body (11-2).
In above-mentioned low temperature stem body temperature checker, the furnace core (11) further includes multiple cooling pieces (11-4), cooling piece (11-4) is mounted in the straight slot that is equipped with of the two side foamed heat insulating body (11-2), the cooling piece side (11-4) and is placed in foamed heat insulating Isothermal block (11-3) contact in body (11-2), the other side is contacted with the hot junction of radiator.
In above-mentioned low temperature stem body temperature checker, the isothermal block (11-3) is class square body, the setting of opposite two sides At the arcwall face (11-31) of indent, the cross-sectional shape of isothermal block (11-3) is the narrow hourglass shape in the wide centre in both ends, isothermal block (11-3) wider two sides are contacted with cooling piece (11-4).
In above-mentioned low temperature stem body temperature checker, clamped by the both sides arcwall face (11-31) of the isothermal block (11-3) Part, the widest position in both ends are broad portion (11-32), and intermediate most narrow position is narrow part (11-33), broad portion The width dimensions of (11-32) ranging from 30mm to 80mm, the width dimensions ranging from 20mm to 50mm of narrow part (11-33).
In above-mentioned low temperature stem body temperature checker, the furnace core (11) further includes a sensor group (11-5), sensor group (11-5) includes multiple sensing elements, and the sensing element includes a pair of of difference thermocouple, a thermal resistance temperature sensor and one A overtemperature alarm sensor, sensing element are mounted in multiple installation vias that foamed heat insulating body (11-2) is equipped with, sensing element In the probe segment insertion isothermal block (11-3) of part.
In above-mentioned low temperature stem body temperature checker, the furnace core (11) further includes a wind deflector (11-6), foamed heat insulating body The bottom of (11-2) is V-shaped structure, and the cross section of wind deflector (11-6) is the long plate structure of V-shaped, with foamed heat insulating body The V-shaped bottom lamination of (11-2), and the two sides of wind deflector (11-6) be fixed on two side radiators (11-1) bottom it is close The edge of foamed heat insulating body (11-2).
In above-mentioned low temperature stem body temperature checker, the furnace body (1) further includes a furnace body support (12), furnace body support (12) Including peripheral frame (12-1) and side plate (12-2), the bottom installation cooling fan (13) of peripheral frame (12-1), side plate (12-2) is equipped with two Block, both side plate (12-2) are separately mounted to the both sides of peripheral frame (12-1), and furnace core (11) is mounted in furnace body support (12).
In above-mentioned low temperature stem body temperature checker, the furnace body (1) further includes a stove made of politef material Mouth heat insulation (14) and the roof trim plate (11-8) being arranged at the top of fire door heat insulation (14), fire door heat insulation (14) are installed on At the fire door of furnace core (11) upper end, roof trim plate (11-8) is connected by screw on radiator.
In above-mentioned low temperature stem body temperature checker, the radiator is the first radiator (11-1), the first radiator (11- 1) include the fins group (11-11) that multiple fins are formed by and the temperature-uniforming plate (11- with fins group (11-11) vertical connection 12), the fin is sheet aluminium foil, and multiple fins are arranged in parallel and have spacing between each other;Fins group (11-11) passes through weldering It connects, crimp or bonding way and temperature-uniforming plate (11-12) are connected as one.
In above-mentioned low temperature stem body temperature checker, first radiator (11-1) further includes one being fixedly connected on temperature-uniforming plate Substrate (11-13) on (11-12), the temperature-uniforming plate (11-12) include flat part (11-121), the side flat part (11-121) Be adjacent to fixation with fins group (11-11), the other side is outward extended with a boss portion (11-122), boss portion (11-122) it is interior Portion is provided with a cavity (11-123), and the inner surface of the cavity (11-123) is porous structure, is filled in cavity (11-123) There is cooling working medium;One or more shapes with the boss portion (11-122) of temperature-uniforming plate (11-12) are offered on substrate (11-13) The boss portion (11-122) of the through-hole (11-131) that shape, size match, temperature-uniforming plate (11-12) is embedded into through-hole (11-131) In, substrate (11-13) is connected to one with temperature-uniforming plate (11-12).
In above-mentioned low temperature stem body temperature checker, the radiator is the second radiator (19-1), the second radiator (19- 1) include radiating fin group (19-11), U-shaped heat pipe (19-12) and heat-conducting plate (19-13) that multiple radiating fins are formed, it is described Radiating fin is sheet aluminium foil, and multiple radiating fins are arranged in parallel and have spacing to form radiating fin group (19-11), radiating fin Group (19-11) is connected as one by welding, crimping or bonding way and heat-conducting plate (19-13);U-shaped heat pipe includes parallel sets The first side arm (19-121), the second side arm (19-122) and the interconnecting piece (19- for connecting the first side arm and the second side arm set 123), the first side arm (19-121) is interspersed between radiating fin group (19-11) and heat-conducting plate (19-13), the second side arm (19- 122) it is interspersed in radiating fin group (19-11).
In above-mentioned low temperature stem body temperature checker, the U-shaped inside heat pipe is equipped with cavity, and bosher is filled in cavity Matter, cavity inner surface are porous structure.
In above-mentioned low temperature stem body temperature checker, second radiator (19-1) further include the first side plate (19-14) and Second side plate (19-15), the first side plate (19-14) and the second side plate (19-15) are vertically disposed on heat-conducting plate (19-13) Both sides form rectangular recess structure, and heat-conducting plate (19-13) is located at the bottom of groove structure, and radiating fin group (19-11) setting exists The inside of the groove structure, and each radiating fin is parallel to the first side plate (19-14) and the second side plate (19-14) of both sides.
In above-mentioned low temperature stem body temperature checker, first side plate (19-14) includes being close to radiating fin group (19- 11) rectangular substrate (19-141), each vertical extension outward in substrate (19-141) three sides adjacent not with heat-conducting plate (19-13) Go out flanging;Second side plate (19-15) is identical as the first side plate (19-14) structure and is symmetricly set on the two of heat-conducting plate (19-13) Side;The multiple second semicircle recessed bars that the one side that the heat-conducting plate (19-13) is close to radiating fin group (19-11) is equipped with In the first semicircle recessed bar (19-111) and both sides substrate (19-141) that (19-131) is equipped with radiating fin group (19-11) Second semicircle opening (19-142) relative combinations being equipped with form the first circular hole, the first side arm of U-shaped heat pipe (19-12) (19-121) is interspersed in the first circular hole;The other side of the substrate (19-141) far from heat-conducting plate (19-13) is provided with multiple The circular through hole (19-143) of equidistantly distributed;The radiating fin group (19-11) is in the side far from heat-conducting plate (19-13) It is provided with the second circular hole (19-112) of multiple spaced sets, the second side arm (19-122) of U-shaped heat pipe (19-12) passes through base The circular through hole (19-143) of plate (19-141) is interspersed in the second circular hole (19-112) of radiating fin group (19-11).
In above-mentioned low temperature stem body temperature checker, multiple U-shaped heat pipes (19-12) are divided into two groups, every group of U shape heat pipe First side arm (19-121) of (19-12) is close to, and the second side arm (19-122) equidistantly scatters, and corresponding first circular hole is also classified into Two groups, match with the shape of the first side arm (19-121) of U-shaped heat pipe (19-12), the second circular hole (19-112) equidistantly dissipates It opens, matches with the shape of the second side arm (19-122) of U-shaped heat pipe (19-12).
In above-mentioned low temperature stem body temperature checker, the thermocouple cold junction compensation structure includes cold junction temperature sensor (01), the second equal heat block (03) and cap bag (04), the second equal heat block (03) are equipped with two pieces and have spacing, every 1 second equal heat block (03) shrapnel (02) is connected on, cold junction temperature sensor (01) is mounted on the upside of any shrapnel (02), and thermocouple (05) is cold End is placed between shrapnel (02) and the second equal heat block (03) and is close to shrapnel (02) and the second equal heat block (03), and the second equal heat block (03) thermal capacitance is much larger than the thermal capacitance of shrapnel (02) and cold junction temperature sensor (01).
In above-mentioned low temperature stem body temperature checker, the shrapnel (02) is small thermal capacitance, the good elastomer of thermal conductivity, is S Shape structure, tail end are fixed on the tail portion of the second equal heat block (03), and the head end of shrapnel (02) raises up, free by the part of near head end It is placed in the upper surface of the second equal heat block (03);Heat-conducting glue is added between two second equal heat blocks (03).
In above-mentioned low temperature stem body temperature checker, the thermocouple cold junction compensation structure further includes an extraction line terminals (06), the lead-out wire of cold junction temperature sensor (01) leads to from the tail portion of cap bag (04) and draws line terminals (06), draws line end Sub (06) is plugged in measurement plate (42);The front end setting of the cap bag (04) there are two socket, socket corresponds to shrapnel (02) and Position between second equal heat block (03) is to be inserted into thermocouple (05) cold end.
In above-mentioned low temperature stem body temperature checker, be installed on cold junction temperature sensor (01) on shrapnel (02) not with shrapnel (02) part contacted adds plastic sheath or adiabatic glue;Cold junction temperature sensor (01) by glue sticking on shrapnel (02), bullet A backplate is respectively set in the position both sides of piece (02) bonding cold junction temperature sensor (01).
The utility model obtains following technique effect using above technical scheme:
The utility model low temperature stem body temperature checker uses modularized design, furnace body, control panel component, system board component It is assembled independently of each other between measurement plate component, convenient for assembling and dismantling single component, thus in single component failure, only singly Only Tear Down Deficiency component, is disassembled without complete machine, can be reduced maintenance cost and be improved maintenance efficiency.
(1) the utility model low temperature stem body temperature checker uses modularized design, and furnace body and other assemblies, component can Independent disassembling reduces production, maintenance cost to effectively improve the convenience of production, maintenance;
(2) the utility model provides two kinds of radiators, a kind of by the way that fins group and internal cavities are filled with cooling working medium The vertical setting of temperature-uniforming plate and be connected as one, one side contacts heat source of temperature-uniforming plate, and radiate under fins group collective effect, Radiating efficiency is improved, heat dissipation effect is improved;Another kind is by the way that U-shaped heat pipe to be embedded into radiating fin group and heat-conducting plate Portion saves radiator space, radiates under U-shaped heat pipe and radiating fin group collective effect, improve heat dissipation effect;
(2) radiating fin of the utility model radiator is made of sheet aluminium foil, and spacing is small, light-weight, compares aluminium extruded Radiator, under same heat dissipation area, weight can mitigate about 23%~40%.
(3) the equal heat block cross section in the utility model furnace body is set as the narrow hourglass shape in the wide centre in both sides, this knot Structure makes the light-weight of equal heat block, thermal capacitance small, sensitiveer to temperature change, contributes to tested device measurement accuracy, meanwhile, Since the opposite two sides of equal heat block are wider, the size that the cooling piece on equal heat block two sides is arranged is also larger, heat dissipation effect It is good;
(4) the utility model furnace structure is rationally distributed, compact-sized, independent two air duct Seal Design so that furnace body High temperature air will not make a very bad impression to other component working environment, increase the service life of electronic component, while Influence of the fever to furnace body for having completely cut off other component improves the stability and temperature measurement accuracy of furnace body work, is suitable for The temperature of low temperature temperature element (TE to be measured measures.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model low temperature stem body temperature checker;
Fig. 2 is the structural decomposition diagram of the utility model low temperature stem body temperature checker;
Fig. 3 is the structural schematic diagram of furnace body;
Fig. 4 A are the structural decomposition diagram for the furnace core for being equipped with the first radiator;
Fig. 4 B are the structural decomposition diagram for the furnace core for being equipped with the second radiator;
Fig. 5 is the stereogram of equal heat block;
Fig. 6 is the structural schematic diagram of furnace body support;
Fig. 7 is the air duct schematic diagram of furnace body;
Fig. 8 is the structural decomposition diagram of the first radiator;
Fig. 9 is the view in transverse section of the first radiator;
Figure 10 is the dimensional structure diagram of the second radiator;
Figure 11 is the structural decomposition diagram of the second radiator;
The dimensional structure diagram of Figure 12 board group parts in order to control;
The structural decomposition diagram of Figure 13 board group parts in order to control;
Figure 14 is the dimensional structure diagram of system board component;
Figure 15 is the structural decomposition diagram of system board component;
Figure 16 is the structural decomposition diagram of measurement plate component;
Figure 17 is the front view of thermocouple cold junction compensation structure;
Figure 18 is the structural exploded view of thermocouple cold junction compensation structure;
Figure 19 is in Figure 17 along the sectional view of line A-A interception;
Figure 20 is the structural schematic diagram that thermocouple cold junction compensation structure is used cooperatively with thermocouple;
Figure 21 is the working curve of thermocouple cold junction compensation structure;
Figure 22 is the structural schematic diagram of upper shell component;
Figure 23 is the structural schematic diagram of lower shell component.
Major Symbol:
1:Furnace body, 11:Furnace core, 12:Furnace body support, 13:Cooling fan, 14:Fire door heat insulation;
2:Control panel component, 21:Control board mount, 22:Switching Power Supply, 23:Control panel radiator, 24:Control panel, 25: Deflector, 26:Diversion fan, 27:Power supply terminal;
3:System board component, 31:System board, 32:Touch platen bracket, 33:Touch LCD screen, 34:Touch screen foam, 35: Touch screen panel, 36:Connectivity port, 37:Interface holes;
4:Measurement plate component, 41:Front panel, 42:Measurement plate, 43:TC socket elements (thermocouple cold junction compensation mould Block);
5:Pedestal, 51:Ventilation slot;
6:Upper casing, 61:Shell, 62:Heat emission hole, 63:Through-hole;
7:Build-up member;
01:Cold junction temperature sensor, 02:Shrapnel, 03:Second equal heat block, 04:Cap bag, 041:Socket; 05:Thermocouple, 06:Extraction line terminals, 07:Screw.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model low temperature stem body temperature checker is described in detail.
The utility model low temperature stem body temperature checker uses modularized design, can easily be dismounted, such as Fig. 6 Shown in embodiment, the utility model low temperature stem body temperature checker include furnace body 1, control panel component 2, system board component 3, Measurement plate component 4 and upper casing 6 and pedestal 5, system board component 3 are assemblied in the leading flank of upper casing 6, furnace body 1 and control panel component 2 It being separately fixed on pedestal (5), upper casing 6 forms shell with the fastening of pedestal 5, and furnace body 1 and control panel component 2 are located in shell, on The fire door corresponding position of shell 6 and furnace body 1 offers the through-hole 63 for wearing temperature element (TE to be measured, and the setting of 6 top surface of upper casing is several to be dissipated Hot hole 62.In one embodiment, furnace body 1 is adjacent with control panel component 2 and fixed, and measurement plate component 4 can be fixed on control The top of the front side of board group part 2, measurement plate component 4 and control panel component 2 can be with installation system board group part 3, and measurement plate component 4 is set It is equipped with a front panel 41, system board component 3 is provided with a touch screen panel 35, front panel 41, touch screen panel 35 and outer hull shape At enclosure space furnace body 1, control panel component 2 and the partial encapsulation of system board component 3 and measurement plate component 4 are got up to be formed One entirety, furnace body 1 and each component energy independent disassembling, maintain easily and replace.
Control panel component 2 is equivalent to the brain of low temperature stem body temperature checker, system board component 3, measurement plate component 4 with And the cooling fan 13 in furnace body 1, cooling piece 11-4, sensor group 11-5 (referring to 1 chapters and sections of furnace body) are electric with control panel component 2 Connection, and carry out data interaction with control panel component 2, i.e. control panel component 2 reads the temperature number that sensor group 11-5 is measured Each parameter that the electrical signal data and system board component 3 measured according to, measurement plate component 4 is arranged, further according to scheduled control plan It slightly and executes and is sequentially generated the executing agency that control command is sent to cooling piece 11-4 and cooling fan 13, and by the number of processing It is shown according to system board component 3 is sent to.
It is described in detail below in conjunction with each component:
Furnace body1
Furnace body 1 be the utility model low temperature stem body temperature checker core component, for be inserted into temperature element (TE to be checked into Row verifies and keeps temperature length uniform, stable.
The part use is with lower label:
11:Furnace core, 11-1:Radiator, 11-2:Foamed heat insulating body, 11-3:Isothermal block, 11-31:Arcwall face, 11-32:It is wide Wealthy portion, 11-33:Narrow part, 11-4:Cooling piece, 11-5:Sensor group, 11-6:Wind deflector, 11-7:Equal heat block,;11-8:Top Portion's decorative panel;
12:Furnace body support, 12-1:Peripheral frame, 12-2:Side plate, 12-3:Installation buckle, 12-4:Locking screw nail hole;
13:Cooling fan, 14:Fire door heat insulation;
Furnace body 1 is the core component of the utility model low temperature stem body temperature checker, as shown in figure 3, including furnace core 11, stove Body support frame 12, cooling fan 13 and fire door heat insulation 14, furnace core 11 and cooling fan 13 are respectively positioned in furnace body support 12, and cold But fan 13 is arranged in the lower section of furnace core 11, and fire door heat insulation 14 is located at the fire door of 11 upper end of furnace core.
Fig. 4 A and Fig. 4 B show that the structure of furnace core 11, furnace core 11 include radiator, foamed heat insulating body 11-2, isothermal block 11-3, cooling piece 11-4, sensor group 11-5, wind deflector 11-6 and equal heat block 11-7, wherein isothermal block 11-3 settings are being sent out Steep the inside of thermal insulator 11-2;Multiple through-holes are respectively arranged in the both sides of foamed heat insulating body 11-2, for installing cooling piece 11-4, foam Also reserved multiple sensors install via, the sensor for installing sensor group 11-5 on thermal insulator 11-2;Radiator is arranged There are two, the both sides of foamed heat insulating body 11-2 are separately mounted to, and the hot junction of radiator is in contact with cooling piece 11-4, can passed through Radiator is fixed on foamed heat insulating body 11-2 by screw, and when installation, the pressing force of radiator, which have passed through, to be pre-designed, Ji Yaobao Card radiator is contacted with cooling piece 11-4, and ensures that cooling piece 11-4 will not fragmentation.
In through-hole on the two sides cooling piece 11-4 insertion foamed heat insulating body 11-2, and applies and lead in the side wall for forming through-hole Hot silicone grease or the soft heat-conducting pad of laying are to enhance the thermal conductivity of cooling piece 11-4, it is preferred that the cross section of cooling piece 11-4 Size is 40mm × 40mm, and refrigeration area is big, good refrigeration effect.
The open slot of top end opening is equipped in isothermal block 11-3, equal heat block 11-7 is placed in the open slot of isothermal block 11-3, Isothermal block 11-3 plays the temperature environment that its needs is provided for the fast 11-7 of soaking;The equal tops heat block 11-7 be provided with several blind holes with Accommodate temperature element (TE to be measured.As shown in figure 3, isothermal block 11-3 is class square body, opposite two sides is arranged to the arcwall face of indent The cross section of 11-31, isothermal block 11-3 are set as the narrow hourglass shape in the wide centre in both ends, the two sides of isothermal block 11-3 wider It is contacted with cooling piece 11-4, above structure makes the light-weight of isothermal block 11-3, thermal capacitance small, sensitiveer to temperature change.It is permanent Part clamped by the arcwall face 11-31 of the both sides warm block 11-3, the widest position in both ends are broad portion 11-32, intermediate most narrow Position be narrow part 11-33, broad portion 11-32 width (length for referring to two arcwall face 11-31 relative position lines) size The width dimensions ranging from 20mm to 50mm of ranging from 30mm to 80mm, narrow part 11-33, it is preferable that the width of broad portion 11-32 Degree size range is 40mm to 60mm, the width dimensions ranging from 30mm to 40mm of narrow part 11-33.In the present embodiment, wide The width of wealthy portion 11-32 is 42mm, and the width of narrow part is 31mm, so with the size of the broad portion 11-32 cooling pieces contacted For 40mmx40mm.The size setting of isothermal block 11-3 can make the lighter in weight, sensitive of isothermal block 11-3 within the above range Property is preferable, and the lateralarea where its broad portion 11-32 is larger and then can place the cooling piece 11-4 of large-size.
Sensor group 11-5 includes multiple sensing elements, and sensing element includes a pair of of difference thermocouple, a resistance and temperature Sensor and an overtemperature alarm sensor, sensing element are separately mounted to the installation that the foamed heat insulating body 11-2 of furnace core 11 is equipped with In via, and in the thermometer hole in the probe segment insertion isothermal block 11-3 of sensing element.
The bottom of foamed heat insulating body 11-2 is V-shaped structure (referring to Fig. 4 A and Fig. 4 B), and the cross section of wind deflector 11-6 is V The long plate structure of font, the V-shaped bottom lamination with foamed heat insulating body 11-2, and the two sides of wind deflector 11-6 are fixed on two The bottom of side radiator can allow cold air uniformly to flow close to the edge of foamed heat insulating body 11-2, the structure of wind deflector V-shaped To two side radiators, meanwhile, wind deflector 11-6 is also used as 11 cable of furnace core to fix the component that is loaded so that cabling is cleaner and tidier, smooth.
In embodiment shown in Fig. 4 A and Fig. 4 B, furnace core 11 further includes roof trim plate 11-8, and roof trim plate 11-8 is set It sets at the top of fire door heat insulation 14, roof trim plate 11-8 is connected by screw on radiator.
With reference to Fig. 6, furnace body support 12 includes peripheral frame 12-1 and side plate 12-2, and cooling fan is installed in the bottom of peripheral frame 12-1 13, side plate 12-2 are equipped with two pieces, and installation buckle 12-3 and locking screw nail hole 12-4,12-2 points of both side plate are provided on side plate 12-2 Not An Zhuan peripheral frame 12-1 both sides, furnace core 11 be mounted on furnace body support 12 in.When installation, furnace core 11 is first fixed on peripheral frame On 12-1, side plate 12-2 is then buckled into 12-3 by installation respectively and is mounted on the radiator of furnace core 11, is worn by screw The locking screw nail hole 12-4 for crossing side plate 12-2 locks side plate 12-2 completely.
As shown in Fig. 3 and Fig. 4 A, Fig. 4 B, fire door heat insulation 14 is positioned over fire door, and effect is prevented inside furnace core 11 Heat loss plays the role of improving internal thermal field, reduces energy consumption, while having improvement operator working environment, preventing from being scalded The politef that thermal coefficient is low, temperature tolerance is good can be selected in the effect of wound, the material of fire door heat insulation 14.
Fig. 7 is the air duct schematic diagram of furnace body 11.As shown in fig. 7, radiator includes multiple fins disposed in parallel and fin Between have gap, the gap between fin may be used as gas channel.The air-flow that the cooling fan 13 of bottom of furnace body generates is led Aerofoil 11-6 guides the fire door on earth of the gap between being then passed through fin to the radiator of both sides, and radiator is realized in the process The effect of heat dissipation.One static pressure cabin is formed on 11 bottom of furnace core and 12 bottom of furnace body support, is conducive to the gas for making two side radiators Stream is uniformly distributed, and the wind deflector 11-6 of V-shaped structure plays the role of shunting, reduces windage.
With upper-part according to above-mentioned connection relation assembly cost utility model low temperature furnace body 1 and including the low temperature furnace body 1 low temperature stem body temperature checker, the isothermal block 11-3 in the low temperature furnace body 1 are class cuboid, and cross section is set as The narrow hourglass shape in the wide centre in both sides, this structure makes the light-weight of isothermal block 11-3, thermal capacitance small, cleverer to temperature change It is quick, contribute to tested device measurement accuracy, simultaneously as two sides opposite isothermal block 11-3 are wider, is arranged in isothermal block The size of cooling piece 11-4 on the two sides 11-3 is also larger, good heat dissipation effect;The utility model low temperature stem body temperature checker Using modularized design, furnace body 1 and other assemblies, component can independent disassembling, to effectively improve the facility of production, maintenance Property, reduce production, maintenance cost;1 topology layout of the utility model furnace body is reasonable, compact-sized, and independent two air duct is close Envelope design so that the high temperature air of furnace body 1 will not make a very bad impression to other component working environment, increase electronic component Service life, while also having completely cut off influence of the fever of other component to furnace body 1, improve the stability and temperature of the work of furnace body 1 Spend measurement accuracy.
Radiator can use radiator commonly used in the prior art (such as aluminium extruded radiator), due to aluminium extruded radiator Fin is thicker, and under the conditions of leading to same heat dissipation area, the weight of aluminium extruded radiator is larger, and space is limited in furnace body, causes to dissipate The heat dissipation area of hot fin is smaller;Under same radiating condition, the radiating efficiency of aluminium extruded radiator is low, leads to stem body temperature school The heat dissipation effect for testing instrument is poor.Therefore, the utility model provides two kinds light-weight and that radiating efficiency is high radiator, is applied to this In utility model low temperature stem body temperature checker.There are two types of radiators used in the utility model embodiment shown in Fig. 4, The radiator that furnace body 1 uses in Fig. 4 A is that the radiator that furnace body 1 uses in the first radiator 11-1, Fig. 4 B is the second radiator 19-1 is below described two kinds of new radiators respectively.
First radiator 11-1
First radiator 11-1 can be used in the furnace body 1 of the utility model low temperature stem body temperature checker, be used for stove Heat in body 1 exports in time.
The part use is with lower label:
11-1:First radiator, 11-11:Fins group,
11-12:Temperature-uniforming plate, 11-121:Flat part, 11-122:Boss portion, 11-123:Cavity, 11-124:First installation Hole;
11-13:Substrate, 11-131:Through-hole, 11-132:Step, 11-133:Second mounting hole;
11-14:Left plate, 11-15:Right plate.
As shown in figure 8, the first radiator of the utility model 11-1 includes being arranged in parallel and having the multiple of spacing (referring to Fig. 4) The fins group 11-11 that fin the is formed and temperature-uniforming plate 11-12 with the vertical connection of fins group, wherein:
Fin is sheet aluminium foil, and preferred mode is spaced set can lead to the vertical settings of temperature-uniforming plate 11-12 It crosses the modes such as welding, crimping or bonding and temperature-uniforming plate 11-12 is connected as one.The fins group 11-11 that multiple fins are formed can Temperature-uniforming plate or part covering temperature-uniforming plate are covered, the boundary of temperature-uniforming plate can also be exceeded, be configured according to the actual application.
In Fig. 8 and embodiment shown in Fig. 9, temperature-uniforming plate 11-12 includes flat part 11-121, and flat part is rectangular flat Plate, the sides flat part 11-121 are adjacent to fixation with fins group 11-11, and the other sides flat part 11-121 are outward extended with a boss portion The cross-sectional shape of 11-122, boss portion 11-122 are unlimited (for example, can be polygon, circle or irregular shape), convex Platform portion 11-122's is internally provided with a cavity 11-123, and cooling working medium (preferably coolant liquid, such as water) is filled in cavity, The inner surface of the cavity is porous structure (such as copper powder sintering layer), contributes to form cooling cycle.
The first radiator of the utility model 11-1 includes at least one temperature-uniforming plate 11-12, it is preferred that including multiple temperature-uniforming plates 11-12, multiple temperature-uniforming plate 11-12 are suitable for the case where multiple dispersion heat sources, and multiple temperature-uniforming plates can will disperse the heat of heat source It is concentrated through connected fins group 11-11 export so that heat dissipation effect is promoted.In the utility model reality shown in Fig. 8 It applies in example, the first radiator 11-1 includes two temperature-uniforming plate 11-12.
As shown in Figure 8 and Figure 9, the first radiator 11-1 further includes a substrate 11-13, and substrate 11-13 is fixedly connected on On warm plate 11-12, one or more through-hole 11-131, the boss portion of the through-hole and temperature-uniforming plate 11-12 are offered on substrate 11-13 11-122 shapes, size and position match so that boss portion 11-122 inlay cards are in the through-hole 11-131 of substrate 11-13.Fig. 1 Shown in embodiment, substrate 11-13 sets that there are two square through hole 11-131, and the through-hole is on the directions substrate 11-13 Extend to the side far from fins group 11-11, and the front wide and rear narrow formation step 11-132 (i.e. low wide and up narrow in Fig. 2) in aperture; The boss portion 11-122 of warm plate 11-12 is embedded into the aperture narrower part of through-hole 11-131, and flat part 11-121 is embedded into through-hole The aperture wider portion of 11-131, substrate 11-13 are connected to one with temperature-uniforming plate 11-12.
The first radiator of the utility model 11-1 further includes the outline border being made of left plate 11-14 and right plate 11-15, and two Side plate is parallel to the fin of fins group 11-11 and is wrapped in the both ends of fins group 11-11, and is welded on one with fins group 11-11 It rises to be formed and go along with sb. to guard him, protect fins group 11-11, and be attached with other component, first each components of radiator 11-1 are encapsulated as One entirety.
First radiator 11-1 is installed in the furnace body 1 of low temperature stem body temperature checker, in embodiment as shown in Figure 4 A, There are two first radiator 11-1 is set, it is located at the both sides of foamed heat insulating body 11-2 and foamed heat insulating body is fixed to by screw 11-2;In the straight slot that the two sides cooling piece 11-4 insertion foamed heat insulating body 11-2 are equipped with, side is contacted with isothermal block 11-3, another Side is contacted with the first radiator 11-1.It is furnace body support 12 on the outside of first radiator 11-1, the first radiator 11-1 passes through machine The mode (such as being spirally connected and be clamped the mode being combined) of tool connection is fixed with furnace body support 12.In order to by the first radiator 11-1 Mounted on foamed heat insulating body 11-2, the corner location of temperature-uniforming plate 11-12 is provided with the first mounting hole 11-124, substrate 11-13's Through-hole 11-131 surroundings are provided with the second mounting hole 11-133, and the first mounting hole 11-124 is aligned with the second mounting hole 11-133, And the fin removal of the positions corresponding with the second mounting hole 11-133 of substrate 11-13 fins group 11-11, it is convenient for radiator 11-1 is installed on foamed heat insulating body 11-2.
With upper-part according to the first radiator of above-mentioned relation assembly cost utility model, by substrate 11-13 and temperature-uniforming plate 11-12 is defined as cold end close to one end of fins group 11-11, and substrate 11-13 and the temperature-uniforming plate 11-12 other ends are defined as hot junction, Cooling piece in the furnace body of hot junction contact stem body temperature check instrument, cold end connect fins group 11-11.It is true due to temperature-uniforming plate 11-12 Absolutely empty intracavitary is full of cooling working medium, and when the hot junction of temperature-uniforming plate 11-12 contacts heat source, the cooling heated vaporization of working medium, steam is small Pressure difference under flow to cold end release heat, steam condensation is at liquid, and liquid is by capillary force effect along the porous material of cavity inner surface Stream backheat end to which heat has the hot junction of temperature-uniforming plate 11-12 to reach cold end (fins group end), then has fins group 11-11 to distribute It goes out.Simultaneously as air cooling effect is realized in the space between multiple fins of fins group 11-11 for divulging information.Therefore, this is dissipated Hot device in such a way that temperature-uniforming plate realizes that quick conductive and fin rapid cooling are combined, radiating efficiency is high.
The first radiator of the utility model includes that the embodiment of multiple temperature-uniforming plate 11-12 is suitable for multiple dispersion heat sources The heat for disperseing heat source can be concentrated through fins group 11-11 export by situation, this embodiment, and heat dissipation effect is carried It rises;The fin thickness of fins group is thin, spacing is small (for example, fin thickness is up to 0.4mm, spacing 2.3mm made of aluminium foil), Light-weight, under volume same as aluminium extruded radiator, weight can mitigate 23% to 40%, and improve radiating efficiency;Temperature-uniforming plate 11- 12 have good heat conductivility, and compared with aluminium extruded radiator, under equal conditions, temperature-uniforming plate can be quickly by hot junction heat source (heat of cooling piece) is transferred to fins group 11-11, and then obtains better heat dissipation effect.
Since the first radiator of the utility model 11-1 is light-weight, the low temperature stem body temperature checker weight of the radiator is used Amount mitigates, easily portable;The temperature-uniforming plate of the first radiator of the utility model 11-1 and the positions cooling piece 11-4 in furnace body 1 Corresponding and contact can conduct the heat of furnace body 1 to the first radiator 11-1, and the first radiator of the utility model in time The fin of 11-1 is thin, and spacing is big, the draught area bigger between multiple fins, therefore the radiator has lower windage, and Ventilation quantity increases, and using the low temperature stem body formula temperature checker of first radiator 11-1, noise is lower at work, thermal diffusivity Can be good, the time using the low temperature stem body temperature checker temperature-fall period of the first radiator significantly shortens.
Second radiator 19-1
Second radiator 19-1 can be used in the furnace body 1 of the utility model low temperature stem body temperature checker, be equally used for Heat in furnace body 1 is exported in time.
The part use is with lower label:
19-1:Second radiator;
19-11:Radiating fin group, 19-111:First semicircle recessed bar, 19-112:Second circular hole;
19-12:U-shaped heat pipe, 19-121:First side arm, 19-122:Second side arm, 19-123:Interconnecting piece;
19-13:Heat-conducting plate, 19-131:Second semicircle recessed bar, 19-132:Through-hole;
19-14:First side plate, 19-141:Substrate, 19-142:Second semicircle opening, 19-143:Circular through hole;19- 15:Second side plate.
In the embodiment shown in fig. 10, the second radiator of the utility model 19-1 includes multiple parallel set (referring to Fig. 4 B) Radiating fin group 19-11, U-shaped heat pipe 19-12, the first side plate 19-14, the second side plate for setting and having the radiating fin of spacing to be formed 19-15 and heat-conducting plate 19-13, the first side plate 19-14 and the second side plate 19-15 are vertically disposed on the two of heat-conducting plate 19-13 Side forms rectangular recess structure, and heat-conducting plate 19-13 is located at the bottom of groove structure, and radiating fin group 19-11 is arranged in the groove The inside of structure, and each radiating fin is parallel to the first side plate 19-14 and the second side plate 19-15 of both sides, wherein:
As shown in figure 11, the first side plate 19-14 includes the rectangular substrate 19-141 for being close to radiating fin group 19-11, substrate The multiple second semicircle opening 19-142 are provided on one side end face adjacent with heat-conducting plate 19-13 19-141, second is semicircle The 19-142 number that be open is consistent with the number of U-shaped heat pipe, and in the present embodiment, the second semicircle opening 19-142 is equipped with eight, often Four the adjacent second semicircle opening 19-142 are one group, and two group of second semicircle opening 19-142 is separated by a certain distance and sets It sets;Substrate 19-141 the other threes side is each vertical to extend flanging outward, it is therefore an objective to stop air-flow, make air-flow from radiator 19-1 Radiating fin group 19-11 pass through, prevent air-flow from entering the sides substrate 19-141, meanwhile, convenient for radiator 19-1 in furnace body 01 Installation (referring to Fig. 4 B, flanging that can be by screw across substrate 19-141 is fixed on filled and process 19-13);Substrate 19- 141 other sides far from heat-conducting plate 19-13 are provided with the circular through hole 19-143 of multiple equidistantly distributeds, circular through hole 19-143 Number it is consistent with the number of U-shaped heat pipe 19-12, in the present embodiment, be also equipped with eight.The structure of second side plate 19-15 with The structure of first side plate 19-14 is identical, and both side plate is arranged symmetrically.
Multiple parallel recessed bars, the cross of recessed bar are provided on the one side that heat-conducting plate 19-13 is close to radiating fin group 19-11 Section is semicircle, i.e., the second semicircle recessed bar 19-131.In the embodiment shown in Figure 10 and Figure 11, second is semicircle recessed 19-131 number is eight (corresponding with the number of U-shaped heat pipe 19-12), is set as be separated by a certain distance two groups, every four It is a to be closely adjacent to each other as one group.Perforative multiple through-hole 19-132 in a thickness direction are additionally provided on heat-conducting plate 19-13, these Through-hole is used to the second radiator of the utility model 19-1 being mounted on other component and use as mounting hole, such as passes through screw In the furnace body 1 of low temperature stem body temperature checker.
Radiating fin is sheet aluminium foil, and it is equidistantly to be arranged in parallel that multiple radiating fins, which are preferable to provide mode, multiple to dissipate Hot fin forms radiating fin group 19-11;Each radiating fin is in the second semicircle recessed bar 19-131 close to heat-conducting plate 19-13 Position be equipped with the first semicircle opening, the multiple first semicircle openings of the same horizontal position form the first semicircle recessed bars 19-111;First semicircle recessed bar 19-111 of the second semicircle recessed bar and radiating fin group 19-11 on heat-conducting plate 19-13 And the second semicircle opening 19-142 relative combinations on the substrate 19-141 of both sides form complete circular hole, are defined as first Circular hole.Radiating fin group 19-11 is provided with the circular hole of multiple spaced sets in the side far from heat-conducting plate 19-13, is defined as Second circular hole 19-112.The heat radiating fin of the corresponding positions through-hole 19-123 on radiating fin group 19-11 and heat-conducting plate 19-13 Piece is removed, and the installation convenient for the second radiator of the utility model 19-1 is fixed.
The number and concrete structure of U-shaped heat pipe 19-12 can be configured according to actual needs, shown in Figure 10 and Figure 11 Embodiment in, U-shaped heat pipe 19-12 be equipped with eight, be divided into two groups, every four adjacent U-shaped heat pipe 19-12 are as one group, often One U-shaped heat pipe 19-12 includes the first side arm 19-121 disposed in parallel, the second side arm 19-122 and the first side arm of connection and the The interconnecting piece 19-123, each U-shaped heat pipe 19-12 of two side arms are internally provided with cavity, and cooling working medium is filled in cavity (is preferably Coolant liquid, such as water), which is porous structure (such as copper powder sintering layer), contributes to form cooling cycle;Every group The first side arm 19-121 of U-shaped heat pipe 19-12 is close to, and the second side arm equidistantly scatters, and such be designed with is conducive to radiator The heat in the hot junction of 19-1, which is concentrated, to be imported and disperses to distribute, improving radiating effect.
When installation, the first side arm 19-121 of U-shaped heat pipe 19-12 is each passed through radiating fin group 19-11 and heat-conducting plate 19- 13, the first circular hole that substrate 19-141 in both sides is formed by, second circles of the second side arm 19-122 across radiating fin group 19-11 Hole 19-112, U-shaped heat pipe 19-12 are embedded into the inside of radiating fin group 19-11 and heat-conducting plate 19-13, save radiator sky Between, it radiates under U-shaped heat pipe 19-12 and radiating fin group 19-11 collective effects, improves heat dissipation effect.
With upper-part according to the second radiator 19-1 of above-mentioned relation assembly cost utility model, radiating fin group 19-11 It can be connected as by the modes such as welding, crimping or bonding and heat-conducting plate 19-13, the first side plate 19-14 and the second side plate 19-15 One.When in use, heat-conducting plate 19-13 comes close to or in contact with heat source, and the heat that heat source distributes passes through U-shaped heat pipe 19-12 and heat dissipation Fins group 19-11 collective effects conduct, to reach heat dissipation effect.
The radiating fin of the second radiator of the utility model 19-1 is made of aluminium foil, and thickness is thin, light-weight, subtracts on the whole The light weight of radiator;The U-shaped heat pipe 19-12 of second radiator is made of copper so that the dissipated power of radiator is up to 200w to 300 watts, about twice of aluminium extruded radiator.
The second radiator of the utility model 19-1 is used in the furnace body 1 of low temperature stem body temperature checker, real shown in Fig. 4 B It applies in example, there are two the second radiator 19-1 is set, is located at the both sides of foamed heat insulating body 11-2 and hair is fixed to by screw Steep thermal insulator 11-2;In the straight slot that the two sides cooling piece 11-4 insertion foamed heat insulating body 11-2 are equipped with, side and isothermal block 11-3 Contact, the other side is contacted with the second radiator 19-1.
The number of cooling piece 11-4 is configured as needed, and in embodiment shown in Fig. 4 B, it is two that cooling piece 11-4, which is divided to, Group and the both sides for being oppositely arranged on isothermal block 11-3, and be in contact respectively with the heat-conducting plate 19-13 of two the second radiator 19-1. Preferably, the position of cooling piece 11-4 is corresponding with the location of the first side arm 19-121 of U-shaped heat pipe 19-12, sets in this way It sets and enables cooling piece 11-4 that the heat that isothermal block 11-3 is distributed quickly is transferred to the second radiator 19-1 and dissipated by second Hot device 19-1 is quickly exported.
Above-described embodiment is that one of low temperature stem body temperature checker example, the utility model are not limited to this Embodiment.The utility model radiator 19-1 can be applied in other stem body temperature checkers, as long as leading radiator 19-1 Hot plate 19-13 comes close to or in contact with the heat source of stem body temperature checker, you can realizes heat dissipation effect.
Since the second heatsink weight of the utility model is light, the low temperature stem body temperature checker weight of the second radiator is used Mitigate, it is easily portable;The heat dissipated power of the second radiator of the utility model is up to 200w to 300w, uses the second heat dissipation The time of the low temperature stem body temperature checker temperature-fall period of device significantly shortens.
Control panel component 2
In low temperature stem body temperature checker, control panel component 2 is equivalent to the brain of low temperature stem body temperature checker, is used for It controls stable temperature environment and receives each sensor gathered data and carry out analyzing processing and control the action of each electric component It executes.
In conjunction with shown in Figure 12, Figure 13 and Fig. 2,2 side of control panel component is arranged close to furnace body 1 and is fixed on the stove of furnace body 1 On body support frame 12, bottom is fixed on pedestal 5.Control panel component 2 includes control board mount 21, Switching Power Supply 22 and control panel 24, the section of control board mount 21 is U-shaped groove structure, and Switching Power Supply 22 (such as ESP-120-24 Switching Power Supplies) is placed in control panel Fixed in the U-lag that holder 21 is formed by, 24 1 side lower part of control panel is equipped with a radiating block 23, and the bottom surface of radiating block 23 connects Seat 5 is bottomed out, the position that pedestal 5 is in contact with 23 bottom surface of radiating block is provided with ventilation slot 51 (referring to Figure 23), it is preferred that radiating block 23 be the good metal derby of thermal conductivity;Control panel 24 is fixed at the U-shaped opening of control board mount 21, and control panel 24 is equipped with The side of radiating block 23 is towards Switching Power Supply 22;The top of Switching Power Supply 22 is provided with a diversion fan 26 and a supply terminals Son 27, Switching Power Supply 22 is supplied the voltage commutation of external power supply at burning voltage by 27 circumscripted power line of power supply terminal It powers to entire low temperature stem body temperature checker;One deflector 25 tilts the upper end for being fixed on control board mount 21, and is located at and opens The upside in powered-down source 22, the purpose being arranged in this way are that the air draft to diversion fan 26 carries out water conservancy diversion so that the row of diversion fan 26 Wind is discharged from the heat emission hole 62 of upper casing 6.
It is installed in low temperature stem body temperature checker for convenience of control panel component 2, in 21 groove body bottom of control board mount The build-up member 7 of one or more horizontal layouts is set, and mounting hole and the mounting hole on pedestal 5 of build-up member 7 align, with logical It crosses mounting screw control panel component 2 is fixed on pedestal 5;In addition extend in 21 groove body bottom surface of control board mount and set multiple assembly Build-up member 7 outside component 7, with adjacent furnace body 1 aligns, and is connected with being fixed control panel component 2 and furnace body 1 by mounting screw It connects.
Power supply of the Switching Power Supply 22 as entire low temperature stem body temperature checker is powered to other component, Switching Power Supply 22 It is easy fever during the work time, Switching Power Supply 22 is limited in control board mount 21 and control panel 24 is formed by space, Keep apart with furnace body 1, reduces influence of the heat of the generation of Switching Power Supply 22 to furnace body 1, meanwhile, what 22 lower part of Switching Power Supply generated A heat part is exported by the radiating block 23 on control panel 24 by the ventilation slot 51 of pedestal 5, and top heat is with leading The air-flow that flow fan 26 generates is exhaled under the guiding of deflector 25 by the heat emission hole 62 of upper casing 6.
Being equipped with due to deflector 25 and diversion fan 26 in control panel component 2 so that diversion fan 26 generated Air-flow is discharged along the direction of deflector 25 from the heat emission hole 62 of upper casing 6, to drive the air motion inside control panel component 2, Outside air (opening up ventilation slot 51 on the pedestal 5 of 2 lower section of control panel component) can also be introduced from the lower section of control panel component 2, from And it realizes and radiates to the periphery such as control panel component 2 and furnace body 1 adjacent thereto.
Control panel 24 is equipped with processor, processing circuit, various electrical interfaces, communication interface etc., the cooling piece 11- in furnace body 1 4, cooling fan 13, sensor group 11-5 and system board component 3, measurement plate component 4 are electrically connected with control panel 24, control panel What the parameter and measurement plate component 4 that the collected temperature datas of 24 receiving sensor group 11-5, system board component 3 are arranged measured Electric signal carries out analyzing processing and generates the execution of cooling piece 11-4 and cooling fan 13 that control instruction is sent in furnace body 1 Mechanism, to control the temperature of furnace core 11, while will treated that data are sent in system board component 3 shows.Control Plate 24 is provided with bluetooth, wifi components, can realize and wirelessly communicate with other wireless terminals.
System board component 3
In low temperature stem body temperature checker, system board component 3 is mainly used for parameter setting and data, result are shown with reality Existing human-computer interaction.System board component 3 is modularized design, as shown in Fig. 2, system board component 3 is mounted on low temperature stem body temperature school It tests the top of the deflector 25 of the control panel component 2 of instrument and is fixed on the shell 61 of upper casing 6, be inclined to set, be conveniently operated Personal observations and operation.The structure of system board component 3 is referring to Figure 14 and Figure 15, including the touch screen that sets gradually from front to back Panel 35, touch LCD screen 33, touches platen bracket 32 and system board 31 at touch screen foam 34, touch screen panel 35 be it is hood-like, Cover opens up and the matched assembly area of 33 shape and size of touch LCD screen, the one or more connections of 31 side of system board setting Port 36, there are interface holes 37, the installation corresponding with interface holes 37 of connectivity port 36, touch screens for 35 side of corresponding touch screen panel Foam 34, touch LCD screen 33, touching platen bracket 32 and system board 31, sequentially into 35 cover body of touch screen panel, stacked assembly is Integrally formed system plate module 3.3 left and right sides of system plate module are connect by screw with the shell 61 of upper casing 6 respectively, such as This is detachably arranged in the leading flank top of upper casing 6.
Measurement plate component 4
In low temperature stem body temperature checker, measurement plate component 4 is mainly used for connection and measures line.In the utility model, survey Template component 4 is modularized design, as shown in Fig. 2, measurement plate component 4 is mounted on the front side of control panel component 2, bottom is fixed In on pedestal 5.Referring to Figure 16, measurement plate component 4 includes front panel 41 and measurement plate 42, and measurement plate 42 is provided with TC socket members Part (thermocouple cold junction compensation structure) 43 and multiple test connection terminals, front panel 41 and the contraposition of measurement plate 42 overlapping are simultaneously It fixes to form measurement plate component 4 in surrounding, the terminal hole that the test connection terminal of measurement plate 42 is equipped with from front panel 41 stretches out, and surveys The top of template component 4 is fixed by the shell 61 of screw and upper casing 6, measurement plate component 2 be located at control panel component 2 before and with control There is a spacing in favor of heat dissipation between making sheet component 2.As shown in Fig. 1, front panel 41, system board component 3 touch screen panel 35 And the utility model low temperature stem body temperature checker is encapsulated as an entirety by upper casing 6 and pedestal 5.
In order to accurately measure the temperature of thermocouple, as shown in figure 16, measurement plate component 4 is integrated with TC socket elements 43, i.e., Thermocouple cold junction compensation structure 43, thermocouple cold junction compensation structure 43 are fixed on measurement by the screw that tail portion carries On plate 42, the socket 041 of front end two and the receptacle alignment on front panel 41 can penetrate jack grafting thermocouple (referring to figure 20).Existing cold junction compensation structure is using placement block in cold end thermal insulation barn and makes cold junction temperature sensor, heat The scheme that 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.To solve the above-mentioned problems, it is fast to integrate one in measurement plate component 2 for the utility model Speed measures the thermocouple cold junction compensation structure of thermocouple cold junction, which can within the shorter time make heat The temperature and the temperature of cold junction temperature sensor 01 of 05 cold end of galvanic couple are reached an agreement, and the measurement effect of thermocouple cold junction is improved Rate.
Figure 17 to Figure 20 is the schematic diagram of the utility model thermocouple cold junction compensation structure.Such as Figure 17 to Figure 20 institutes Show, which includes cold junction temperature sensor 01, shrapnel 02 and the second equal heat block 03, 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, point It is not fixed in two piece of second equal heat block 03, shrapnel 02 is designed as S-shaped structure, and tail end (right side is tail end in Figure 19) is fixed on The tail portion of second equal heat block 03, the head end of shrapnel 02 raise up, and shrapnel 02 is freely placed in the second equal heat block 03 by the part of near head end Upper surface, since there is shrapnel 02 elasticity, 05 cold end of thermocouple can be inserted into shrapnel 02 and the second soaking from 02 head end of shrapnel (referring to Figure 20) between block 03.Cold junction temperature sensor 01 has the characteristics that size is small, thermal capacitance is low, can be mounted on any shrapnel 02 Upside, the cold junction temperature for measuring thermocouple 05.Preferably, heat-conducting glue can be added between two second equal heat blocks 03, favorably Hot transmission is carried out between two second equal heat blocks 03 in heat, ensures that the temperature of two second equal heat blocks 03 is consistent substantially.Separately Outside, cold junction temperature sensor 01 is usually bonded on shrapnel 02, and glue overflows shrapnel 02 in bonding process in order to prevent, in shrapnel A backplate is respectively set in the position both sides of 02 bonding 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 the cold junction compensation construction packages are got up, the utility model thermocouple cold junction is mended Compensation structure further includes a cap bag 04, and cap bag 04 is a quadrangle box, cold junction temperature sensor 01, shrapnel 02 and the second equal heat block 03 is placed in cap bag 04, and the second equal heat block 03 is fixed by screw 07 and cap bag 04, the lead-out wire of cold junction temperature sensor 01 After being drawn from the tail portion of cap bag 04 in access lead-out wire terminal 06, there are two socket 041, the sockets point for the front end setting of cap bag 04 The position between shrapnel 02 and the second equal heat block 03 is not corresponded to, and the cold end of thermocouple 05 is inserted respectively into bullet from two sockets 041 Between piece 02 and the second equal heat block 03, under the action of the elastic force of shrapnel 02, shrapnel 02 and the second equal heat block 03 are and thermoelectricity Even 05 cold end is in close contact.
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.
Figure 21 shows that the working curve of the utility model thermocouple cold junction compensation structure, whole work process are divided into Three phases:
First stage:
Cold junction temperature sensor 01 and the second equal heat block 03 are in cap bag 04 (being equivalent to traditional cold end thermal insulation barn), Temperature is almost the same;The temperature of 05 cold end of thermocouple and the temperature of cold junction temperature sensor 01, the second equal heat block 03 are inconsistent.
Second stage:
05 cold end of thermocouple starts the cold junction temperature sensor simultaneously in the second equal heat block 03 and shrapnel 02 and shrapnel 02 01 transmits heat, while temperature starts to change, 05 cold junction temperature of thermocouple be intended to cold junction temperature sensor 01 (shrapnel 02) and 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, while being also due to the second equal heat block 03 Thermal capacitance is big, and the temperature of 05 cold end of thermocouple can be faster to the temperature change of the second equal heat block 03;
01 thermal capacitance of cold junction temperature sensor on shrapnel 02 and shrapnel 02 is smaller, and temperature change is very fast, shrapnel 02 and shrapnel The temperature of cold junction temperature sensor 01 on 02 can 05 cold end of quick thermoelectric couple temperature change;
Under the combined influence of the second equal heat block 03 and shrapnel 02, the temperature of cold junction temperature sensor 01 can rapidly with heat The temperature of 05 cold end of galvanic couple reaches unanimity, and at the end of second stage, the temperature of the cold junction temperature sensor 01 on shrapnel 02 is It is almost the same with the temperature of 05 cold end of thermocouple, but with the temperature of the second equal heat block 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, cold junction temperature sensing The temperature of device 01 can accurately reflect the temperature of 05 cold end of thermocouple.
The cold junction compensation structure can quickly measure thermocouple cold junction, efficient.In thermocouple measurement Cheng Zhong, in order to make 05 cold junction temperature of thermocouple consistent with the temperature of cold junction temperature sensor 01, the utility model structure can by etc. It waits for that the time is reduced to even several seconds more than ten seconds by even more than ten minutes original a few minutes and (depends on 05 cold end of thermocouple and cold end The factors such as the temperature of temperature sensor 01), especially in the case of measure batch thermocouple cold junction, can significantly it improve Measurement efficiency saves the time.
Shell
The shell of the utility model low temperature stem body temperature checker includes upper casing 6 and pedestal 5, as shown in figure 22, upper casing 6 Lower end opens, and is integrally fastened on pedestal 5 and is connected and fixed with the side of pedestal 5, control panel component 2 and furnace body 1 are placed in upper casing 6 It is formed by shell with pedestal 5;The leading flank lower part of upper casing 6 is offered to match area with 4 shape and size of measurement plate component Domain, leading flank top offer the assembly area to match with 3 shape and size of system board component, 61 top surface of shell of upper casing 6 The through-hole 63 of position opposite with 1 upper end fire door of furnace body is offered to wear temperature element (TE to be measured;For the ease of heat dissipation, the shell of upper casing 6 61 top surface of body is additionally provided with heat emission hole 62, is on the one hand used for the heat dissipation of furnace body 1, on the other hand can also be as diversion fan 26 The exhaust outlet of air draft.
It advanced optimizes, there are spacing, such diversion fan 26 to work between the shell 61 and control panel component 2 of upper casing 6 When, it not only moves 2 interior air-flow of control panel component, also drives the air motion of enclosure, be conducive to instrument integral heat sink.It removes For the ease of carrying when fortune, 6 upper end of upper casing is additionally provided with a handle.
As shown in figure 23, support member of the pedestal 5 as complete machine, and connect and fix to form tool housing with upper casing 6.Pedestal Several mounting holes are distributed on 5 for assembling furnace body 1, control panel component 2, measurement plate component 4 and upper casing 6;In order to instrument Interior offer extraneous air, the bottom surface and side of pedestal 5 offer several ventilation slots 51, for introducing outside air in favor of scattered Heat, form, quantity, position of ventilation slot etc. carry out distribution design as needed, are not limited.
Upper casing 6 can be made of plastics, and be conducive to the weight for mitigating entire low temperature stem body temperature checker.
With upper-part according to above-mentioned connection relation assembly cost utility model low temperature stem body temperature checker, the utility model Low temperature stem body temperature checker can assemble as follows:Furnace body 1 is mounted on to the position rearward of pedestal 5, control panel component 2 is mounted on 1 position of furnace body is closed on pedestal 5 and is connect with furnace body 1, and upper casing 6 is placed on pedestal 5 and the side for being connected in pedestal 5 is fixed, Measurement plate component 4 is mounted on to the front panel lower part of instrument upper casing 6, system board component 3 is mounted on 6 front panel top of upper casing, So complete the final assembly of low temperature stem body temperature checker.
In the utility model low temperature stem body temperature checker, system board 31, measurement plate 41, cooling piece 11-4, sensor group 11-5, cooling fan 13, diversion fan 26 etc. are electrically connected with control panel 24, and above-mentioned each component is powered by Switching Power Supply 22. When work, parameter and survey that the collected temperature datas of 24 receiving sensor group 11-5 of control panel, system board component 3 are arranged The electric signal that template component 4 measures carries out analyzing processing and generates cooling piece 11-4 that control instruction is sent in furnace body 1 and cold But the executing agency of fan 13, to control the temperature of furnace core 11, while data are sent in system board component 3 by treated It is shown.
The low temperature stem body temperature checker uses modularized design, between furnace body 1 and each component independently of each other, easy to disassemble It safeguards;Bluetooth, wifi components are set in control panel component 2, realizes and is wirelessly communicated with exterior terminal, facilitate onsite application;Using Touch screen carries out parameter setting, and operating efficiency is high, easy to use;The low temperature stem body temperature checker is reasonable in design, compact, It is small, light-weight, it is convenient for carrying.
It will be appreciated by those skilled in the art that these embodiments or embodiment are merely to illustrate the utility model and unlimited The utility model processed, the various equivalent variations and modification made to the utility model belong to the utility model disclosure.

Claims (28)

1. a kind of low temperature stem body temperature checker carries out temperature checking, which is characterized in that including mould for treating testing temperature element Furnace body (1), control panel component (2), system board component (3) and the pedestal (5) and upper casing (6) of blockization design,
System board component (3) is assemblied in the leading flank of upper casing (6), and furnace body (1) is separately fixed at pedestal with control panel component (2) (5) on, upper casing (6) and pedestal (5) fastening form shell, and furnace body (1) and control panel component (2) are located in shell, upper casing (6) and The fire door corresponding position of furnace body (1) offers the through-hole (63) for wearing temperature element (TE to be measured, and the setting of upper casing (6) top surface is several to be dissipated Hot hole (62).
2. low temperature stem body temperature checker according to claim 1, which is characterized in that the control panel component (2) with it is upper Have spacing between shell (6), and be provided with diversion fan (26) at the top of control panel component (2), be arranged above diversion fan (26) to The deflector (25) of heat emission hole (62) water conservancy diversion.
3. low temperature stem body temperature checker according to claim 2, which is characterized in that the control panel component (2) includes Board mount (21), Switching Power Supply (22) and control panel (24) are controlled, control board mount (21) is U-shaped groove structure, Switching Power Supply (22) it is placed in the U-lag of control board mount (21) and fixes, (24) one side lower part of control panel is equipped with a radiating block (23), controls Plate (24) is fixed on the U-lag opening of control board mount (21), and control panel (24) is equipped with the side court of radiating block (23) To Switching Power Supply (22);Diversion fan (26) is mounted on the top of Switching Power Supply (22).
4. low temperature stem body temperature checker according to claim 1, which is characterized in that the system board component (3) includes Touch screen panel (35), touch screen foam (34), touch LCD screen (33), the touch platen bracket (32) set gradually from front to back With system board (31), touch screen panel (35) is hood-like, and cover opens up matched with touch LCD screen (33) shape and size Assembly area, the one or more connectivity ports (36) of system board (31) side setting, corresponding touch screen panel (35) side is stayed Have an interface holes (37), connectivity port (36) installation corresponding with interface holes (37), touch screen foam (34), touch LCD screen (33), Touching platen bracket (32) and system board (31), sequentially into touch screen panel (35) cover body, stacked assembly is integrated.
5. low temperature stem body temperature checker according to claim 1, which is characterized in that further include measurement plate component (4), survey Template component (4) is assemblied in the side of upper casing (6), and measurement plate component (4) is electrically connected with control panel component (2).
6. low temperature stem body temperature checker according to claim 5, which is characterized in that the measurement plate component (4) includes Front panel (41) and measurement plate (42) are provided with multiple test connection terminals, front panel (41) and measurement plate in measurement plate (42) (42) contraposition is folded is incorporated in surrounding and fixes, and through-hole is arranged with test connection terminal corresponding position in measurement plate (42) in front panel (41).
7. low temperature stem body temperature checker according to claim 6, which is characterized in that measurement plate (42) is provided with TC sockets Element (43), TC socket elements (43) are a thermocouple cold junction compensation structure, are fixed in measurement plate (42), front end Two sockets (041) are corresponding with the jack being arranged on front panel (41), are used for from external grafting thermocouple.
8. low temperature stem body temperature checker according to claim 1, which is characterized in that pedestal (5) bottom surface and side Offer ventilation slot (51);Upper casing (6) and the side of pedestal (5) connect and fix.
9. low temperature stem body temperature checker according to claim 1, which is characterized in that the upper casing (6) is made of plastics.
10. according to claim 1 to 9 any one of them low temperature stem body temperature checker, which is characterized in that the furnace body (1) Including furnace core (11) and cooling fan (13), cooling fan (13) is placed on the lower section of furnace core (11), and the furnace core (11) includes Foamed heat insulating body (11-2) is arranged in the internal isothermal block (11-3) of foamed heat insulating body (11-2), is mounted on isothermal block (11-3) Equal heat block (11-7) in the open slot that top is equipped with and the radiator for being fixed on the both sides foamed heat insulating body (11-2).
11. low temperature stem body temperature checker according to claim 10, which is characterized in that the furnace core (11) further includes more A cooling piece (11-4), cooling piece (11-4) are mounted in the straight slot that the two side foamed heat insulating body (11-2) is equipped with, cooling piece The side (11-4) is contacted with the isothermal block (11-3) being placed in foamed heat insulating body (11-2), and the hot junction of the other side and radiator connects It touches.
12. low temperature stem body temperature checker according to claim 11, which is characterized in that the isothermal block (11-3) is class Square body, opposite two sides are arranged to the arcwall face (11-31) of indent, and the cross-sectional shape of isothermal block (11-3) is that both ends are wide Intermediate narrow hourglass shape, the wider two sides of isothermal block (11-3) are contacted with cooling piece (11-4).
13. low temperature stem body temperature checker according to claim 12, which is characterized in that the two of the isothermal block (11-3) Part clamped by side arcwall face (11-31), the widest position in both ends are broad portion (11-32), and intermediate most narrow position is Narrow part (11-33), the width dimensions ranging from 30mm to 80mm of broad portion (11-32), the width dimensions of narrow part (11-33) Ranging from 20mm to 50mm.
14. low temperature stem body temperature checker according to claim 10, which is characterized in that the furnace core (11) further includes one Sensor group (11-5), sensor group (11-5) include multiple sensing elements, and the sensing element includes a pair of of difference thermocouple, one A thermal resistance temperature sensor and an overtemperature alarm sensor, sensing element are mounted on what foamed heat insulating body (11-2) was equipped with In multiple installation vias, in the probe segment insertion isothermal block (11-3) of sensing element.
15. low temperature stem body temperature checker according to claim 10, which is characterized in that the furnace core (11) further includes one The bottom of wind deflector (11-6), foamed heat insulating body (11-2) is V-shaped structure, and the cross section of wind deflector (11-6) is V-shaped Long plate structure, the V-shaped bottom lamination with foamed heat insulating body (11-2), and the two sides of wind deflector (11-6) are fixed on both sides The bottom of radiator (11-1) is close to the edge of foamed heat insulating body (11-2).
16. low temperature stem body temperature checker according to claim 10, which is characterized in that the furnace body (1) further includes one Furnace body support (12), furnace body support (12) include peripheral frame (12-1) and side plate (12-2), the bottom installation cooling of peripheral frame (12-1) Fan (13), side plate (12-2) are equipped with two pieces, and both side plate (12-2) is separately mounted to the both sides of peripheral frame (12-1), furnace core (11) peace In furnace body support (12).
17. low temperature stem body temperature checker according to claim 10, which is characterized in that the furnace body (1) further includes one The fire door heat insulation made of politef material (14) and the roof trim plate being arranged at the top of fire door heat insulation (14) (11-8), fire door heat insulation (14) are installed at the fire door of furnace core (11) upper end, and roof trim plate (11-8) is connected by screw On radiator.
18. low temperature stem body temperature checker according to claim 10, which is characterized in that the radiator is the first heat dissipation Device (11-1), the first radiator (11-1) include the fins group (11-11) that multiple fins are formed by and with fins group (11-11) The temperature-uniforming plate (11-12) of vertical connection, the fin are sheet aluminium foil, and multiple fins are arranged in parallel and have spacing between each other; Fins group (11-11) is connected as one by welding, crimping or bonding way and temperature-uniforming plate (11-12).
19. low temperature stem body temperature checker according to claim 18, which is characterized in that first radiator (11-1) Further include a substrate (11-13) being fixedly connected on temperature-uniforming plate (11-12), the temperature-uniforming plate (11-12) includes flat part (11-121), the flat part side (11-121) are adjacent to fixation with fins group (11-11), and the other side is outward extended with a boss portion (11-122), boss portion (11-122) are internally provided with a cavity (11-123), and the inner surface of the cavity (11-123) is Porous structure, cavity (11-123) are interior filled with cooling working medium;One or more and temperature-uniforming plate is offered on substrate (11-13) The through-hole (11-131) that shape, the size of the boss portion (11-122) of (11-12) match, the boss portion of temperature-uniforming plate (11-12) (11-122) is embedded into through-hole (11-131), and substrate (11-13) is connected to one with temperature-uniforming plate (11-12).
20. low temperature stem body temperature checker according to claim 10, which is characterized in that the radiator is the second heat dissipation Device (19-1), the second radiator (19-1) include radiating fin group (19-11), the U-shaped heat pipe (19- that multiple radiating fins are formed 12) and heat-conducting plate (19-13), the radiating fin is sheet aluminium foil, and multiple radiating fins are arranged in parallel and to have spacing to be formed scattered Hot fins group (19-11), radiating fin group (19-11) are connected as by welding, crimping or bonding way and heat-conducting plate (19-13) One;U-shaped heat pipe includes the first side arm (19-121) disposed in parallel, the second side arm (19-122) and the first side arm of connection and the The interconnecting piece (19-123) of two side arms, the first side arm (19-121) are interspersed in radiating fin group (19-11) and heat-conducting plate (19-13) Between, the second side arm (19-122) is interspersed in radiating fin group (19-11).
21. low temperature stem body temperature checker according to claim 20, which is characterized in that the U-shaped inside heat pipe is equipped with Cavity, cavity is interior filled with cooling working medium, and cavity inner surface is porous structure.
22. low temperature stem body temperature checker according to claim 21, which is characterized in that second radiator (19-1) Further include the first side plate (19-14) and the second side plate (19-15), the first side plate (19-14) and the second side plate (19-15) hang down respectively Straight setting forms rectangular recess structure in the both sides of heat-conducting plate (19-13), and heat-conducting plate (19-13) is located at the bottom of groove structure, Radiating fin group (19-11) is arranged in the inside of the groove structure, and each radiating fin is parallel to the first side plate (19- of both sides And the second side plate (19-14) 14).
23. low temperature stem body temperature checker according to claim 22, which is characterized in that first side plate (19-14) Rectangular substrate (19-141) including being close to radiating fin group (19-11), substrate (19-141) be not adjacent with heat-conducting plate (19-13) Three sides each vertical extend flanging outward;Second side plate (19-15) is identical as the first side plate (19-14) structure and symmetrically sets It sets in the both sides of heat-conducting plate (19-13);The one side that the heat-conducting plate (19-13) is close to radiating fin group (19-11) is equipped with The first semicircle recessed bar (19-111) for being equipped with radiating fin group (19-11) of the multiple second semicircle recessed bars (19-131) with And second semicircle opening (19-142) relative combinations that both sides substrate (19-141) is equipped with form the first circular hole, U-shaped heat pipe First side arm (19-121) of (19-12) is interspersed in the first circular hole;The separate heat-conducting plate (19-13) of the substrate (19-141) The other side is provided with the circular through hole (19-143) of multiple equidistantly distributeds;The radiating fin group (19-11) is far from heat conduction The side of plate (19-13) is provided with the second circular hole (19-112) of multiple spaced sets, the second side of U-shaped heat pipe (19-12) Arm (19-122) is interspersed in the second circular hole of radiating fin group (19-11) across the circular through hole (19-143) of substrate (19-141) In (19-112).
24. low temperature stem body temperature checker according to claim 23, which is characterized in that multiple U-shaped heat pipe (19- 12) it is divided into two groups, the first side arm (19-121) of every group of U-shaped heat pipe (19-12) is close to, and the second side arm (19-122) equidistantly dissipates It opens, corresponding first circular hole is also classified into two groups, matches with the shape of the first side arm (19-121) of U-shaped heat pipe (19-12), the Two circular holes (19-112) equidistantly scatter, and match with the shape of the second side arm (19-122) of U-shaped heat pipe (19-12).
25. low temperature stem body temperature checker according to claim 7, which is characterized in that the thermocouple cold junction is mended Compensation structure includes cold junction temperature sensor (01), the second equal heat block (03) and cap bag (04), and the second equal heat block (03) is equipped with two pieces And have spacing, a shrapnel (02) is connected on every 1 second equal heat block (03), cold junction temperature sensor (01) is mounted on any shrapnel (02) upside, thermocouple (05) cold end are placed between shrapnel (02) and the second equal heat block (03) and are close to shrapnel (02) and second Equal heat block (03), and the thermal capacitance of the second equal heat block (03) is much larger than the thermal capacitance of shrapnel (02) and cold junction temperature sensor (01).
26. low temperature stem body temperature checker according to claim 25, 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.
27. low temperature stem body temperature checker according to claim 26, 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 (42);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.
28. low temperature stem body temperature checker according to claim 25, 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).
CN201820033217.6U 2018-01-09 2018-01-09 A kind of low temperature stem body temperature checker Active CN207866392U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201820033217.6U CN207866392U (en) 2018-01-09 2018-01-09 A kind of low temperature stem body temperature checker
PCT/CN2019/070621 WO2019137330A1 (en) 2018-01-09 2019-01-07 Low-temperature dry block temperature calibrator
US16/961,134 US11402278B2 (en) 2018-01-09 2019-01-07 Low-temperature dry block temperature calibrator
EP19738064.5A EP3739313B1 (en) 2018-01-09 2019-01-07 Dry block temperature calibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820033217.6U CN207866392U (en) 2018-01-09 2018-01-09 A kind of low temperature stem body temperature checker

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017917A (en) * 2018-01-09 2019-07-16 北京康斯特仪表科技股份有限公司 A kind of low temperature stem body temperature checker
WO2019137330A1 (en) * 2018-01-09 2019-07-18 北京康斯特仪表科技股份有限公司 Low-temperature dry block temperature calibrator
WO2019137343A1 (en) * 2018-01-09 2019-07-18 北京康斯特仪表科技股份有限公司 Flow guiding and heat dissipating type dry block temperature calibrator
CN113203501A (en) * 2021-05-20 2021-08-03 苏州热工研究院有限公司 Nuclear power main pump thrust pad temperature measurement probe assembly checking method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017917A (en) * 2018-01-09 2019-07-16 北京康斯特仪表科技股份有限公司 A kind of low temperature stem body temperature checker
WO2019137330A1 (en) * 2018-01-09 2019-07-18 北京康斯特仪表科技股份有限公司 Low-temperature dry block temperature calibrator
WO2019137343A1 (en) * 2018-01-09 2019-07-18 北京康斯特仪表科技股份有限公司 Flow guiding and heat dissipating type dry block temperature calibrator
US11402278B2 (en) 2018-01-09 2022-08-02 Beijing Const Instruments Technology Inc. Low-temperature dry block temperature calibrator
US11740139B2 (en) 2018-01-09 2023-08-29 Beijing Const Instruments Technology Inc. Flow guiding and heat dissipating type dry block temperature calibrator
CN113203501A (en) * 2021-05-20 2021-08-03 苏州热工研究院有限公司 Nuclear power main pump thrust pad temperature measurement probe assembly checking method
CN113203501B (en) * 2021-05-20 2023-05-12 苏州热工研究院有限公司 Nuclear power main pump thrust shoe temperature measurement probe assembly verification method

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