CN212780605U - Double-test-piece heat conduction instrument adopting guarded hot plate method - Google Patents
Double-test-piece heat conduction instrument adopting guarded hot plate method Download PDFInfo
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- CN212780605U CN212780605U CN202021710359.5U CN202021710359U CN212780605U CN 212780605 U CN212780605 U CN 212780605U CN 202021710359 U CN202021710359 U CN 202021710359U CN 212780605 U CN212780605 U CN 212780605U
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Abstract
The utility model discloses a double-test piece protective hot plate method heat conduction instrument, which comprises a base, a pressing plate, a cylinder and a stand column, wherein the pressing plate is movably connected above the base, the cylinder is arranged on the upper surface of the pressing plate, the stand column is symmetrically and fixedly connected with both sides of the pressing plate, a transverse plate is movably connected below the pressing plate, a cleaning cotton block is adhered on the lower surface of the transverse plate, a communicating pipe is fixedly connected with the outer wall of the transverse plate, a fan-shaped air nozzle is arranged at the bottom of the communicating pipe, the middle part of the outer wall of the communicating pipe is connected with a rubber hose in a conduction way, a metal groove is arranged outside the stand column, a sliding block is movably connected inside the metal groove, the utility model discloses a cleaning cotton block is adhered with the upper surface of the base, the cleaning cotton block is driven to reciprocate by the transverse plate, and manual cleaning is omitted, so that the labor intensity of workers is reduced.
Description
Technical Field
The utility model relates to a thermal constant analysis technical field specifically is a two test pieces hot plate method heat conduction appearance.
Background
Thermal conductivity is only for the heat transfer forms where heat conduction exists, and when other forms of heat transfer exist, such as radiation, convection, and mass transfer, the composite heat transfer relationship is often referred to as apparent, dominant, or effective thermal conductivity. In addition, the thermal conductivity is for homogeneous materials, and in practical cases, there are porous, multi-layer, multi-structure, anisotropic materials, and the thermal conductivity obtained by such materials is actually an expression of the comprehensive thermal conductivity, also called the average thermal conductivity.
The TPS thermal constant analyzer is based on a transient plane heat source method and based on a plane one-dimensional steady state heat conduction principle: a plane heat source in an infinite medium generates a dynamic temperature field in the medium after receiving instant heating pulse in an initial state, and the heat conductivity coefficient and the thermal diffusivity of a sample are calculated by utilizing temperature data generated in the heat conduction process and fitting a function curve. During testing, constant direct current is applied to the heat source, the surface of the heat source generates temperature rise, the resistance is increased, and the voltage is changed. And obtaining a function of the temperature increment along with the change of time through the variable quantity of the electrical parameter.
However, the existing double-test-piece guarded hot plate method heat conduction instrument mainly has the following defects:
the base of current two test piece protection hot plate method heat conduction appearance is after placing the material that detects, and some material pieces are remained easily to base upper surface, need the manual work to clear up it, avoid influencing the numerical value that detects, have improved staff's intensity of labour.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two test pieces protection hot plate method heat conduction appearance to the base of solving current two test pieces protection hot plate method heat conduction appearance among the above-mentioned background art is after placing the material that detects, and some material pieces are easily remained to the base upper surface, need the manual work to clear up it, avoid influencing the numerical value that detects, have improved staff's intensity of labour's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two test pieces protection hot plate method heat conduction appearance, includes base, clamp plate, cylinder and stand, base top swing joint has the clamp plate, surface mounting has the cylinder on the clamp plate, the equal symmetrical fixedly connected with stand in clamp plate both sides, clamp plate below swing joint has the diaphragm, it has clean cotton piece to glue even under the diaphragm, diaphragm outer wall fixedly connected with communicating pipe, fan-shaped air cock is installed to communicating pipe bottom, intercommunication outer wall middle part turn-on connection has the rubber hose, the metal slot is installed in the stand outside, the inboard swing joint in metal slot has the slider, the slider inboard is pegged graft and is had the lead screw, the guide bar has all been welded to the lead screw both sides, positive reverse motor is installed to metal slot one end, high compression pump is installed to base.
Preferably, the clean cotton piece is laminated with the base upper surface mutually, fan-shaped air cock is equipped with a plurality ofly, and just to one fan-shaped air cock equidistance distributes, is favorable to improving the effect to base upper surface clearance.
Preferably, the two ends of the transverse plate are fixedly connected with connecting plates, screws are inserted into the surfaces of the connecting plates, screw holes are formed in the surfaces of the sliding blocks, the connecting plates are attached to the sliding blocks, the screws inserted into the surfaces of the connecting plates correspond to the screw holes, and the screws are rotatably connected with the screw holes, so that the transverse plate is conveniently connected with the sliding blocks.
Preferably, the guide rod penetrates through the sliding block, the output end of the forward and reverse rotation motor is in transmission connection with the screw rod, and the sliding block can make linear reciprocating motion along the guide rod through the rotation of the screw rod.
Preferably, the outer walls of the two sides of the metal groove are welded with mounting lugs, are attached to the outer wall of the stand column through the mounting lugs and are fixed through bolts, and the metal groove is conveniently and fixedly mounted.
Preferably, the rubber hose is communicated with the output end of the high-pressure air pump, so that the upper surface of the base can be cleaned through the fan-shaped air nozzle.
The utility model provides a two test pieces hot plate method heat conduction appearance of protecting possesses following beneficial effect:
(1) the utility model discloses an external controlling means of positive reverse motor, and set for one set of suitable positive reverse procedure for positive reverse motor according to the length of metal slot through controlling means, after through positive reverse motor switch on, thereby the drive lead screw rotates, and run through the slider through the lead screw, and the slider is connected with lead screw-thread fit, two symmetrical guide bars run through the slider simultaneously, thereby make the slider do reciprocal linear motion along the guide bar, be connected with the slider through the diaphragm tip, and laminate mutually through the clean cotton piece that bonds in diaphragm bottom and base upper surface, thereby to the piece of base upper surface adhesion, impurity such as dust is cleared up, not only be favorable to promoting the precision that detects, and saved artifical clearance, and then staff's intensity of labour has been reduced.
(2) The utility model discloses a behind the high compression pump switch on, the air current that high compression pump blew off enters into communicating pipe inboard through the rubber hose to blow off the inboard air current of communicating pipe through fan-shaped air cock, follow the diaphragm and remove communicating pipe in addition, thereby the air current that usable fan-shaped air cock blew off cleans the base upper surface, can improve the clearance effect to the base.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the cross plate back of the present invention;
FIG. 3 is a schematic view of the inner side structure of the metal tank of the present invention;
fig. 4 is a schematic view of the structure of the side surface of the base of the present invention.
In the figure: 1. a base; 101. pressing a plate; 102. a cylinder; 103. a column; 2. a transverse plate; 201. cleaning the cotton block; 202. a communicating pipe; 203. a fan-shaped air nozzle; 204. a rubber hose; 205. a connecting plate; 206. a screw; 3. a metal tank; 301. a slider; 302. a screw rod; 303. a guide bar; 304. a forward and reverse rotation motor; 305. a screw hole; 306. mounting lugs; 4. a high-pressure air pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a double-test-piece heat conduction instrument adopting a guarded hot plate method comprises a base 1, a pressure plate 101, an air cylinder 102 and a vertical column 103, a pressure plate 101 is movably connected above the base 1, an air cylinder 102 is arranged on the upper surface of the pressure plate 101, the two sides of the pressing plate 101 are symmetrically and fixedly connected with upright posts 103, the lower part of the pressing plate 101 is movably connected with a transverse plate 2, the lower surface of the transverse plate 2 is adhered with a cleaning cotton block 201, the outer wall of the transverse plate 2 is fixedly connected with a communicating pipe 202, the bottom of the communicating pipe 202 is provided with a fan-shaped air tap 203, the middle part of the outer wall of the communicating pipe 202 is connected with a rubber hose 204 in a communicating way, a metal groove 3 is arranged on the outer side of the upright post 103, a slide block 301 is movably connected on the inner side of the metal groove 3, a screw rod 302 is inserted into the inner side of the slide block 301, guide rods 303 are welded on both sides of the screw rod 302, a forward and reverse rotation motor 304 is installed at one end of the metal groove 3, and a high-pressure air pump 4 is installed on one side of the base 1.
The external control device is connected with the positive and negative rotation motor 304 through the positive and negative rotation motor 304, a set of proper positive and negative rotation program is set for the positive and negative rotation motor 304 according to the length of the metal groove 3 through the control device, after the positive and negative rotation motor 304 is powered on, the screw rod 302 is driven to rotate, the screw rod 302 penetrates through the slide block 301, the slide block 301 is in threaded fit connection with the screw rod 302, simultaneously, two symmetrical guide rods 303 penetrate through the slide block 301, so that the slide block 301 makes reciprocating linear motion along the guide rods 303, the slide block 301 is connected with the end part of the transverse plate 2, and is attached to the upper surface of the base 1 through the cleaning cotton block 201 which is bonded to the bottom of the transverse plate 2, so that impurities such as scraps, dust and the like which are adhered to the upper surface of the base 1 are cleaned, the detection precision is improved, manual cleaning is omitted, the labor intensity of workers, the air current that high compression pump 4 blew out enters into communicating pipe 202 inboard through rubber hose 204 to blow out the air current of communicating pipe 202 inboard through fan-shaped air cock 203, communicating pipe 202 follows diaphragm 2 and removes in addition, thereby the air current that usable fan-shaped air cock 203 blew out cleans base 1 upper surface, can improve the clearance effect to base 1.
The two ends of the transverse plate 2 are fixedly connected with connecting plates 205, the surfaces of the connecting plates 205 are inserted with screws 206, the surfaces of the sliders 301 are provided with screw holes 305, the connecting plates 205 are attached to the sliders 301, the screws 206 inserted into the surfaces of the connecting plates 205 correspond to the screw holes 305, the screws 206 are rotatably connected with the screw holes 305, and the transverse plate 2 is conveniently connected with the sliders 301.
The guide rod 303 penetrates through the sliding block 301, the output end of the forward and reverse rotation motor 304 is in transmission connection with the screw rod 302, and the sliding block 301 can make linear reciprocating motion along the guide rod 303 through rotation of the screw rod 302.
The outer wall of 3 both sides of metal slot has all welded installation ear 306, through installation ear 306 and the laminating of stand 103 outer wall to lead to the bolt fastening, it is convenient fixed to the installation of metal slot 3.
The rubber hose 204 is connected with the output end of the high-pressure air pump 4 in a conduction manner, so that the upper surface of the base 1 can be cleaned through the fan-shaped air nozzle 203.
It should be noted that, when the double-test-piece guarded hot plate method heat conduction instrument works, a control device is externally connected with a positive and negative rotation motor 304, a set of proper positive and negative rotation program is set for the positive and negative rotation motor 304 through the control device according to the length of a metal groove 3, after the positive and negative rotation motor 304 is powered on, a screw rod 302 is driven to rotate and penetrates through a slide block 301 through the screw rod 302, the slide block 301 is in threaded fit connection with the screw rod 302, two symmetrical guide rods 303 penetrate through the slide block 301, so that the slide block 301 makes reciprocating linear motion along the guide rods 303, the end part of a transverse plate 2 is connected with the slide block 301, and the slide block 201 adhered to the bottom of the transverse plate 2 is adhered to the upper surface of a base 1, so that impurities such as scraps, dust and the like adhered to the upper surface of the base 1 are cleaned, which is not only beneficial to improving the detection precision, but also omits manual cleaning, after the high-pressure air pump 4 is powered on, the airflow blown out by the high-pressure air pump 4 enters the inner side of the communicating pipe 202 through the rubber hose 204, and the airflow blown out by the inner side of the communicating pipe 202 is blown out through the fan-shaped air nozzles 203, and the communicating pipe 202 moves along with the transverse plate 2, so that the upper surface of the base 1 can be cleaned by the airflow blown out by the fan-shaped air nozzles 203, the cleaning effect on the base 1 can be improved, the cleaning cotton block 201 is attached to the upper surface of the base 1, a plurality of fan-shaped air nozzles 203 are arranged, and the fan-shaped air nozzles 203 are distributed at equal intervals, which is beneficial for improving the cleaning effect on the upper surface of the base 1, the connecting plates 205 are fixedly connected to both ends of the transverse plate 2, the screws 206 are inserted into the surfaces of the connecting plates 205, the screw holes 305 are formed in the surfaces of the sliders 301, the screws, it is convenient to link to each other diaphragm 2 with slider 301, guide bar 303 runs through slider 301, the output and the lead screw 302 transmission of motor 304 that just reverses are connected, rotate through lead screw 302, can make slider 301 be sharp reciprocating motion along guide bar 303, the equal welding of 3 both sides outer walls in metal slot has installation ear 306, laminate through installation ear 306 and stand 103 outer wall, and lead to the bolt fastening, it is convenient fixed to the installation of metal slot 3, rubber hose 204 switches on with high compression pump 4's output and links to each other, be favorable to clearing up base 1 upper surface through fan-shaped air cock 203.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two test pieces hot plate method heat conduction appearance, includes base (1), clamp plate (101), cylinder (102) and stand (103), base (1) top swing joint has clamp plate (101), surface mounting has cylinder (102) on clamp plate (101), clamp plate (101) both sides equal symmetry fixedly connected with stand (103), its characterized in that: clamp plate (101) below swing joint has diaphragm (2), diaphragm (2) lower surface adhesion has clean cotton piece (201), diaphragm (2) outer wall fixedly connected with communicating pipe (202), fan-shaped air cock (203) is installed to communicating pipe (202) bottom, communicating pipe (202) outer wall middle part turn-on connection has rubber hose (204), metal slot (3) are installed in the stand (103) outside, the inboard swing joint of metal slot (3) has slider (301), slider (301) inboard is pegged graft and is had lead screw (302), guide bar (303) have all been welded to lead screw (302) both sides, positive reverse motor (304) are installed to metal slot (3) one end, high compression pump (4) are installed to base (1) one side.
2. The double-test-piece guarded hot plate method thermal conductivity meter according to claim 1, characterized in that: clean cotton piece (201) and base (1) upper surface laminate mutually, fan-shaped air cock (203) are equipped with a plurality ofly, and are right fan-shaped air cock (203) equidistance distributes.
3. The double-test-piece guarded hot plate method thermal conductivity meter according to claim 1, characterized in that: both ends of the transverse plate (2) are fixedly connected with connecting plates (205), screws (206) are inserted into the surfaces of the connecting plates (205), and screw holes (305) are formed in the surface of the sliding block (301).
4. The double-test-piece guarded hot plate method thermal conductivity meter according to claim 1, characterized in that: the guide rod (303) penetrates through the sliding block (301), and the output end of the forward and reverse rotation motor (304) is in transmission connection with the screw rod (302).
5. The double-test-piece guarded hot plate method thermal conductivity meter according to claim 1, characterized in that: and mounting lugs (306) are welded on the outer walls of the two sides of the metal groove (3).
6. The double-test-piece guarded hot plate method thermal conductivity meter according to claim 1, characterized in that: the rubber hose (204) is connected with the output end of the high-pressure air pump (4) in a conduction way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710359.5U CN212780605U (en) | 2020-08-17 | 2020-08-17 | Double-test-piece heat conduction instrument adopting guarded hot plate method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710359.5U CN212780605U (en) | 2020-08-17 | 2020-08-17 | Double-test-piece heat conduction instrument adopting guarded hot plate method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780605U true CN212780605U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021710359.5U Active CN212780605U (en) | 2020-08-17 | 2020-08-17 | Double-test-piece heat conduction instrument adopting guarded hot plate method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780605U (en) |
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2020
- 2020-08-17 CN CN202021710359.5U patent/CN212780605U/en active Active
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