CN116558402B - Displacement sensor with built-in pressure transmitter and manufacturing method thereof - Google Patents
Displacement sensor with built-in pressure transmitter and manufacturing method thereof Download PDFInfo
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- CN116558402B CN116558402B CN202310821728.XA CN202310821728A CN116558402B CN 116558402 B CN116558402 B CN 116558402B CN 202310821728 A CN202310821728 A CN 202310821728A CN 116558402 B CN116558402 B CN 116558402B
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- displacement sensor
- pressure transmitter
- fixedly connected
- electronic bin
- pressure
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 16
- 239000012535 impurity Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000002277 temperature effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to the technical field of measuring sensors, in particular to a displacement sensor with a built-in pressure transmitter and a manufacturing method thereof, comprising a pressure transmitter body and a displacement sensor body; the pressure transmitter body comprises a pressure seat, a strain gauge, a bracket and an aluminum binding wire, and the displacement sensor body comprises a waveguide wire, a detection magnetic ring, an energy picking coil, a small magnet, an electronic bin, a mounting base, a stainless steel protection tube and a measuring rod; because the built-in installation of pressure transmitter body is in the displacement sensor body, in the environment that has pressure and displacement, can realize pressure and the displacement simultaneous measurement of motion, simplify cylinder body installing port design, in the aspect of sensor overall design, only need install the component of pressure transmitter body in magnetostriction sensor measuring staff terminal end cap, reducible measuring staff external diameter reduces the sensor installation space requirement to adapt to more service environment, the installation degree of difficulty is low, reduces manufacturing cost, improves the uniformity of product.
Description
Technical Field
The invention belongs to the technical field of measuring sensors, and particularly relates to a displacement sensor with a built-in pressure transmitter and a manufacturing method thereof.
Background
The servo hydraulic cylinder is an executive component in an electrohydraulic servo system, and can realize random control on the movement direction, position, speed or deformation of an object by applying controllable acting forces such as pushing, pulling, pressing, twisting and the like to the object. For example, hydraulic cylinders of walking engineering machinery are required to be accurately controlled in position, a pressure transmitter and a displacement sensor are required to be used for controlling movement, and the flexibility, the intelligence and the high-precision movement control are realized through the accurate thrust control of the pressure transmitter and the displacement sensor.
For the existing related art, it is considered that the following defects often exist: at present, the pressure sensor and the displacement sensor in the oil cylinder are respectively independent sensors, and when the pressure transmitter and the displacement sensor are installed on the oil cylinder, the installation of the pressure transmitter and the displacement sensor is complicated due to the fact that multiple steps of installation are needed, and therefore, the invention provides the displacement sensor with the built-in pressure transmitter and a manufacturing method thereof.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a displacement sensor with a built-in pressure transmitter, which comprises a pressure transmitter body and a displacement sensor body; the pressure transmitter body comprises a pressure seat, a strain gauge, a bracket and an aluminum binding wire, the displacement sensor body comprises a waveguide wire, a detection magnetic ring, an energy picking coil, a small magnet, an electronic bin, an installation base, a stainless steel protection tube and a measuring rod, the pressure seat is welded with the tail end of the position measuring rod in a matched mode, the strain gauge is fixedly installed at the bottom of the pressure seat through the bracket, the detection magnetic ring is arranged on the surface of the stainless steel protection tube, the pressure transmitter body and the displacement sensor body are installed in the electronic bin by using a common integrated circuit, the small magnet and the energy picking coil are arranged on the surface of the waveguide wire, one end, far away from the electronic bin, of the waveguide wire is connected with the aluminum binding wire, and the installation base is connected with the surface of the stainless steel protection tube; the pressure transmitter body is designed and arranged in a measuring rod of the displacement sensor body, pressure data of the strain gauge and displacement data of the displacement sensor body are transmitted to a common circuit, a sensor for jointly measuring pressure and displacement is realized, the using effects of the displacement sensor body and the pressure transmitter body are improved, the pressure transmitter body is internally arranged in the displacement sensor body, the simultaneous measurement of pressure and displacement of a moving mechanism can be realized in an environment with pressure and displacement, the design of a cylinder body mounting opening is simplified, and in the aspect of the overall design of the sensor, only the element of the pressure transmitter body is required to be arranged in a plug at the tail end of the measuring rod of the magnetostrictive sensor, the outer diameter of the measuring rod is reduced, and the requirement of a sensor mounting space is reduced, so that the sensor is suitable for more use environments, the mounting difficulty is low, the production cost is reduced, and the consistency of products is improved.
Preferably, the surface of the electronic bin is fixedly connected with a cooling fin made of copper through a connecting frame, the inside of the cooling fin is of a hollow structure, and water is stored in the cooling fin; because the electronic component in the electronic bin can give off heat at the during operation, the heat in the electronic bin is not timely given off at this moment, and can lead to the electronic component in the electronic bin to appear the short circuit, can be in the electronic component in the electronic bin when working through above-mentioned mechanism, can absorb the heat that the electronic bin gives off with the help of the fin that copper was made, and the water in the fin can cool down the electronic bin effectively simultaneously to improve the stability of electronic component in the electronic bin at the during operation.
Preferably, an elastic corrugated pipe is fixedly connected to one side of the mounting base, close to the detection magnetic ring, a pair of push rods is fixedly connected to one end surface of the corrugated pipe, far away from the mounting base, the surface of each push rod is in sealed sliding connection with one side of the radiating fin, a push plate is fixedly mounted at one end of each push rod, which is positioned in the radiating fin, and is in sliding connection with the inside of the radiating fin, (the push plate is not in sliding sealing connection with the radiating fin, and a gap exists between the push plate and the radiating fin); when the displacement sensor body works in the environment with pressure and displacement, the detection magnetic ring moves on the surface of the stainless steel protection tube, and when the detection magnetic ring moves to one side close to the electronic bin, the detection magnetic ring can squeeze the free end of the corrugated tube to shrink, at the moment, the support can push the push plate, so that the push plate pushes water in the cooling fin to flow, and at the moment, the flowing water can improve the heat dissipation effect on the electronic bin.
Preferably, the inner wall of the radiating fin is fixedly connected with a hollow elastic plate; when the push plate slides in the radiating fin, the push plate can extrude the elastic plate, and the elastic plate can expand under the extrusion of the push plate at the moment, and the expanded elastic plate can promote the effect of water flow in the radiating fin, so that the effect of radiating the electronic bin is improved.
Preferably, one side of the elastic plate, which is close to the inner wall of the electronic bin, is fixedly connected with a group of symmetrically arranged mounting frames, one sides of the mounting frames, which are close to each other, are fixedly connected with limiting plates made of elastic materials, one side of the elastic plate, which is far away from the inner wall of the radiating fin, is fixedly connected with a group of ejector rods, one end of each ejector rod, which is close to the mounting frames, is fixedly connected with a ball, the surface of the ball is attached to the free end of the limiting plates, and the inner wall of the elastic plate is fixedly connected with a group of first springs;
when the elastic plate is extruded, gas in the elastic plate can push against the inner wall of the elastic plate, at this moment, because the limiting plate limits the balls, the inner wall of the elastic plate can not expand immediately because of the pushing of the gas, when the elastic plate continuously moves, the air pressure in the elastic plate can be higher and higher, when the air pressure reaches a certain value, the balls can extrude the limiting plate to deform, so that the limiting plate can not limit the balls, at this moment, the elastic plate can expand rapidly to push water in the radiating fins, the speed of moving on one side of the elastic plate and pushing water is improved in a short time, at this moment, the water flowing speed can be accelerated, thereby improving the water soaking effect, when the push plate resets, the expansion surface of the elastic plate can be pulled by the first spring, at this moment, the push rod can push the limiting plate to deform under the tensile force of the first spring, and then the balls can reset, so that the mechanism can be used repeatedly.
Preferably, one side of the corrugated pipe, which is close to the detection magnetic ring, is provided with a group of air outlet holes, and the detection magnetic ring is provided with a group of through holes corresponding to the air outlet holes; when the corrugated pipe is extruded by the detection magnetic ring, gas in the corrugated pipe can be blown out from the gas outlet, and at the moment, the gas can blow out impurities on the stainless steel protection pipe and the detection magnetic ring, so that the normal use of the detection magnetic ring cannot be influenced by the impurities, and the stability of the detection magnetic ring in use is improved.
Preferably, one side of the radiating fin, which is close to the electronic bin, is communicated with a pair of connecting pipes, and the connecting pipes are fixedly connected with sealing plugs made of hot melt adhesives; when the electronic components in the electronic bin are short-circuited, the electronic bin is extremely easy to fire, and at the moment, the sealing plug can be melted at high temperature, so that water in the radiating fin can flow on the electronic bin from the connecting pipe, and the electronic bin is quickly cooled.
Preferably, a push block is slidably connected to the cooling fin, a group of second springs are fixedly connected to one side, away from the elastic piece, of the push block and one side of the cooling fin, one side, close to the electronic bin, of one sealing plug is fixedly connected with a limit wire, the other end of the limit wire penetrates through one side, close to the electronic bin, of the cooling fin and is fixedly connected with the push block, and the limit wire is in sliding sealing connection with the side wall of the cooling fin; when the sealing plug melts the back, spacing line can lose fixed power, and spacing line can not pull the ejector pad again at this moment, and the second spring can promote the ejector pad this moment, and the ejector pad can promote the fin internal water for water can spray the electron storehouse from the connecting pipe on, and spun water can splash on the electron storehouse this moment, thereby improves the scope that water cooled down the electron storehouse, and the fin can let more water blowout from the fin under the promotion of ejector pad simultaneously.
Preferably, an elastic hollow column is fixedly connected between the push plate and the push block, the hollow column is communicated with a group of guide pipes, and the other ends of the guide pipes are contacted with the surface of the electronic bin; when the push plate is pushed by the push rod, the hollow column can be extruded, and at the moment, gas in the hollow column can be blown onto the electronic bin from the guide pipe, so that the effect of air cooling the electronic bin is achieved.
A method for manufacturing a displacement sensor of a built-in pressure transmitter, the method being used for manufacturing the displacement sensor of the built-in pressure transmitter, and the method comprising the steps of:
s1: selecting a waveguide wire, a measuring rod, a stainless steel protection tube, an electronic bin, an energy picking coil, a small magnet, a detection magnetic ring and a mounting base as component elements of a displacement sensor body;
s2: connecting a non-contact detection magnetic ring sleeved on a stainless steel protection tube with a measured object moving mechanism to realize displacement measurement;
s3: the pressure transmitter body is arranged in the displacement sensor body, the pressure seat, the strain gauge and the aluminum binding wire are selected as constituent elements of the pressure transmitter body, and the pressure seat and the tail end of the measuring rod are welded in a matched manner, so that the manufacture of the pressure transmitter body and the displacement sensor body is completed.
The sensor is provided with a pressure transmitter body and a magnetostrictive displacement sensor body (the waveguide wire is a magnetostrictive wire) at the same time, when the pressure seat receives pressure, the stress is transmitted to the strain gauge, thereby realizing the collection of pressure data and the simultaneous measurement of the pressure and displacement of a measuring object.
The beneficial effects of the invention are as follows:
1. because the built-in installation of pressure transmitter body is in the displacement sensor body, in the environment that has pressure and displacement, can realize pressure and the displacement simultaneous measurement of motion, simplify cylinder body installing port design, in the aspect of sensor overall design, only need install the component of pressure transmitter body in magnetostriction sensor measuring staff terminal end cap, reducible measuring staff external diameter reduces the sensor installation space requirement to adapt to more service environment, the installation degree of difficulty is low, reduces manufacturing cost, improves the uniformity of product.
2. Because the electronic component in the electronic bin can give off heat at the during operation, the heat in the electronic bin is not timely given off at this moment, and can lead to the electronic component in the electronic bin to appear the short circuit, can be in the electronic component in the electronic bin when working through above-mentioned mechanism, can absorb the heat that the electronic bin gives off with the help of the fin that copper was made, and the water in the fin can cool down the electronic bin effectively simultaneously to improve the stability of electronic component in the electronic bin at the during operation.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of a pressure transmitter and displacement sensor of the present invention;
FIG. 3 is a schematic view of the composition of the displacement sensor of the present invention;
FIG. 4 is a cross-sectional view of a heat sink according to the present invention;
FIG. 5 is a partial cross-sectional view of the spring plate and heat sink of the present invention;
FIG. 6 is a schematic view showing the connection state of the limit wire in the present invention;
FIG. 7 is a schematic diagram of a second embodiment of the present invention;
fig. 8 is a flow chart of a manufacturing method in the present invention.
In the figure: 1. a pressure transmitter body; 2. a displacement sensor body; 101. a pressure seat; 102. strain gauges; 103. a bracket; 104. an aluminum binding wire; 201. a waveguide wire; 202. detecting a magnetic ring; 203. an energy picking coil; 204. a small magnet; 205. an electronic bin; 206. a mounting base; 207. stainless steel protective tube; 208. a measuring rod; 3. a heat sink; 4. a bellows; 5. a push rod; 6. a push plate; 7. an elastic plate; 8. a mounting frame; 9. a push rod; 10. a ball; 11. a limiting plate; 12. a first spring; 13. an air outlet hole; 14. a connecting pipe; 15. a sealing plug; 16. a second spring; 17. a limit line; 18. a pushing block; 19. a hollow column; 20. a catheter.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Examples
As shown in fig. 1 to 6, a displacement sensor of a built-in pressure transmitter according to an embodiment of the present invention includes a pressure transmitter body 1 and a displacement sensor body 2; the pressure transmitter body 1 comprises a pressure seat 101, a strain gauge 102, a support 103 and an aluminum binding wire 104, the displacement sensor body 2 comprises a waveguide wire 201, a detection magnetic ring 202, an energy picking coil 203, a small magnet 204, an electronic bin 205, a mounting base 206, a stainless steel protection tube 207 and a measuring rod 208, the pressure seat 101 is welded with the tail end of the position measuring rod 208 in a matched mode, the strain gauge 102 is fixedly arranged at the bottom of the pressure seat 101 through the support 103, the surface of the stainless steel protection tube 207 is provided with the detection magnetic ring 202, the pressure transmitter body 1 and the displacement sensor body 2 are arranged in the electronic bin 205 through a common integrated circuit, the surface of the waveguide wire 201 is provided with the small magnet 204 and the energy picking coil 203, one end, far away from the electronic bin 205, of the waveguide wire 201 is connected with the aluminum binding wire 104, and the surface of the stainless steel protection tube 207 is connected with the mounting base 206;
the pressure transmitter body 1 is designed and arranged in the measuring rod 208 of the displacement sensor body 2, then the pressure data of the strain gauge 102 and the displacement data of the displacement sensor body 2 are transmitted to a common circuit, a sensor for jointly measuring the pressure and the displacement is realized, the use effect of the displacement sensor body 2 and the pressure transmitter body 1 is improved, the pressure transmitter body 1 is internally arranged in the displacement sensor body 2, the simultaneous measurement of the pressure and the displacement of a motion mechanism can be realized in the environment with the pressure and the displacement, the design of a cylinder body mounting opening is simplified, and in the aspect of the overall design of the sensor, only the outer diameter of the measuring rod 208 is reduced, the requirement of the sensor mounting space is reduced, so that the sensor is suitable for more use environments, the mounting difficulty is low, the production cost is reduced, and the consistency of products is improved.
The surface of the electronic bin 205 is fixedly connected with a cooling fin 3 made of copper through a connecting frame, the inside of the cooling fin 3 is of a hollow structure, and water is stored in the cooling fin 3; because the electronic components in the electronic bin 205 can emit heat when working, at this moment, the heat in the electronic bin 205 is not emitted timely, and the electronic components in the electronic bin 205 can be short-circuited, when the electronic components in the electronic bin 205 work through the mechanism, the heat emitted by the electronic bin 205 can be absorbed by the cooling fin 3 made of copper, and meanwhile, the temperature of the electronic bin 205 can be effectively reduced by the water in the cooling fin 3, so that the stability of the electronic components in the electronic bin 205 when working is improved.
An elastic corrugated pipe 4 is fixedly connected to one side of the mounting base 206, which is close to the detection magnetic ring 202, a pair of push rods 5 is fixedly connected to one end surface of the corrugated pipe 4, which is far away from the mounting base 206, the surface of each push rod 5 is in sealed sliding connection with one side of the cooling fin 3, a push plate 6 is fixedly arranged at one end of each push rod 5, which is positioned in the cooling fin 3, the push plate 6 is in sliding connection with the inside of the cooling fin 3, (the push plate 6 is not in sliding sealing connection with the cooling fin 3, and a gap exists between the push plate 6 and the cooling fin 3);
because the displacement sensor body 2 works in the environment with pressure and displacement, the detection magnetic ring 202 moves on the surface of the stainless steel protection tube 207, when the detection magnetic ring 202 moves to the side close to the electronic bin 205, the detection magnetic ring 202 can squeeze the free end of the corrugated tube 4 to shrink, at this time, the support 103 can push the push plate 6, so that the push plate 6 pushes water in the cooling fin 3 to flow, and at this time, the flowing water can improve the heat dissipation effect on the electronic bin 205.
The inner wall of the radiating fin 3 is fixedly connected with a hollow elastic plate 7; when the push plate 6 slides in the cooling fin 3, the push plate 6 can extrude the elastic plate 7, at this time, the elastic plate 7 can expand under the extrusion of the push plate 6, at this time, the expanded elastic plate 7 can promote the effect of water flow in the cooling fin 3, and then the effect of cooling the electronic bin 205 is improved.
A group of symmetrically arranged mounting frames 8 are fixedly connected to one side, close to the inner wall of the electronic bin 205, of the elastic plate 7, limiting plates 11 made of elastic materials are fixedly connected to one sides, close to each other, of the mounting frames 8, a group of ejector rods 9 are fixedly connected to one side, far away from the inner wall of the radiating fins 3, of the elastic plate 7, a ball 10 is fixedly connected to one end, close to the mounting frames 8, of the ejector rods 9, the surface of the ball 10 is attached to the free end of the limiting plates 11, and a group of first springs 12 are fixedly connected to the inner wall of the elastic plate 7;
when the elastic plate 7 is extruded, gas in the elastic plate 7 can push the inner wall of the elastic plate 7, at this moment, because the limiting plate 11 limits the round balls 10, the inner wall of the elastic plate 7 can not expand immediately because of the pushing of the gas, when the elastic plate 7 continuously moves, the air pressure in the elastic plate 7 can be higher and higher, when the air pressure reaches a certain value, the round balls 10 can squeeze the limiting plate 11 to deform, so that the limiting plate 11 can not limit the round balls 10 any more, at this moment, the elastic plate 7 can expand rapidly to push water in the cooling fins 3, the speed of one side of the elastic plate 7 is improved, at this moment, the water flowing speed can be accelerated, thereby improving the uniform temperature effect of the water, when the push plate 6 resets, the first spring 12 can pull the expansion surface of the elastic plate 7 to reset, at this moment, the push rod 9 can push the round balls 10 to deform under the pull of the first spring 12, and then the round balls 10 can reset, and the mechanism can be reused.
A group of air outlet holes 13 are formed in one side, close to the detection magnetic ring 202, of the corrugated pipe 4, and a group of through holes corresponding to the air outlet holes 13 are formed in the detection magnetic ring 202; when the corrugated pipe 4 is extruded by the detection magnetic ring 202, the gas in the corrugated pipe 4 can be blown out from the gas outlet hole 13, and at the moment, the gas can blow out impurities on the stainless steel protection pipe 207 and the detection magnetic ring 202, so that the normal use of the detection magnetic ring 202 is not affected by the impurities, and the stability of the detection magnetic ring 202 in use is improved.
A pair of connecting pipes 14 are communicated with one side, close to the electronic bin 205, of the radiating fin 3, and sealing plugs 15 made of hot melt adhesive are fixedly connected with the connecting pipes 14; when the electronic components in the electronic bin 205 are short-circuited, the electronic bin 205 is extremely easy to fire, and at the moment, the sealing plug 15 can be melted due to high temperature, so that water in the cooling fin 3 can flow on the electronic bin 205 from the connecting pipe 14, and the electronic bin 205 is rapidly cooled.
A push block 18 is slidably connected to the cooling fin 3, a group of second springs 16 are fixedly connected to one side of the push block 18 away from the elastic piece and one side of the cooling fin 3, one side of one sealing plug 15 close to the electronic bin 205 is fixedly connected with a limit wire 17, the other end of the limit wire 17 penetrates through one side of the cooling fin 3 close to the electronic bin 205 and is fixedly connected with the push block 18, and the limit wire 17 is in sliding sealing connection with the side wall of the cooling fin 3; when the sealing plug 15 melts, the limiting wire 17 loses the fixed force, at this time, the limiting wire 17 can not pull the push block 18 any more, at this time, the second spring 16 can push the push block 18, at this time, the push block 18 can push the water in the cooling fin 3, so that the water can be sprayed onto the electronic bin 205 from the connecting pipe 14, at this time, the sprayed water can be sprayed onto the electronic bin 205, so that the cooling range of the water to the electronic bin 205 is improved, and at the same time, the cooling fin 3 can spray more water from the cooling fin 3 under the pushing of the push block 18.
Examples
As shown in fig. 7 to 8, a comparative example one in which another embodiment of the present invention is: an elastic hollow column 19 is fixedly connected between the push plate 6 and the push block 18, the hollow column 19 is communicated with a group of guide pipes 20, and the other ends of the guide pipes 20 are contacted with the surface of the electronic bin 205; when the push plate 6 is pushed by the push rod 5, the hollow column 19 is extruded, and at the moment, the air in the hollow column 19 can be blown onto the electronic bin 205 from the guide pipe 20, so that the air cooling effect on the electronic bin 205 is achieved.
A method for manufacturing a displacement sensor of a built-in pressure transmitter, the method being used for manufacturing the displacement sensor of the built-in pressure transmitter, and the method comprising the steps of:
s1: the method comprises the steps of selecting a waveguide wire 201, a measuring rod 208, a stainless steel protection tube 207, an electronic bin 205, an energy picking coil 203, a small magnet 204, a detection magnetic ring 202 and a mounting base 206 as component elements of a displacement sensor body 2;
s2: the non-contact detection magnetic ring 202 sleeved on the stainless steel protection tube 207 is connected with a measured object moving mechanism to realize displacement measurement;
s3: the pressure transmitter body 1 is arranged in the displacement sensor body 2, the pressure seat 101, the strain gauge 102 and the aluminum binding wire 104 are selected as constituent elements of the pressure transmitter body 1, and the pressure seat 101 and the tail end of the measuring rod 208 are welded in a matched manner, so that the manufacturing of the pressure transmitter body 1 and the displacement sensor body 2 and the manufacturing of the displacement sensor 2 are completed.
The sensor is provided with a pressure transmitter body 1 and a magnetostrictive displacement sensor body 2 (the waveguide wire 201 is a magnetostrictive wire), when the pressure seat 101 receives pressure, the stress is transmitted to the strain gauge 102, so that the acquisition of pressure data and the simultaneous measurement of the pressure and the displacement of a measuring object are realized.
Working principle: the pressure transmitter body 1 is designed and arranged in the measuring rod 208 of the displacement sensor body 2, then the pressure data of the strain gauge 102 and the displacement data of the displacement sensor body 2 are transmitted to a common circuit, so that a sensor for jointly measuring the pressure and the displacement is realized, the use effect of the displacement sensor body 2 and the pressure transmitter body 1 is improved, the pressure transmitter body 1 is internally arranged in the displacement sensor body 2, the simultaneous measurement of the pressure and the displacement of a motion mechanism can be realized in the environment with the pressure and the displacement, the cylinder body mounting port design is simplified, and in the aspect of the overall design of the sensor, only the element of the pressure transmitter body 1 is required to be arranged in the end plug of the magnetostrictive sensor measuring rod 208, the outer diameter of the measuring rod 208 is reduced, and the requirement of the sensor mounting space is reduced, so that the sensor is suitable for more use environments, the mounting difficulty is low, the production cost is reduced, and the consistency of products is improved;
because the electronic components in the electronic bin 205 can emit heat during operation, at the moment, the heat in the electronic bin 205 is not emitted timely, so that the electronic components in the electronic bin 205 are short-circuited, when the electronic components in the electronic bin 205 operate through the mechanism, the heat emitted by the electronic bin 205 can be absorbed by the cooling fin 3 made of copper, and meanwhile, the temperature of the electronic bin 205 can be effectively reduced by water in the cooling fin 3, so that the stability of the electronic components in the electronic bin 205 during operation is improved; because the displacement sensor body 2 works in the environment with pressure and displacement, the detection magnetic ring 202 moves on the surface of the stainless steel protection tube 207, when the detection magnetic ring 202 moves to the side close to the electronic bin 205, the detection magnetic ring 202 can squeeze the free end of the corrugated tube 4 to shrink, at the moment, the support 103 can push the push plate 6, so that the push plate 6 pushes water in the cooling fin 3 to flow, and at the moment, the flowing water can improve the heat dissipation effect on the electronic bin 205; when the push plate 6 slides in the cooling fin 3, the push plate 6 can extrude the elastic plate 7, at the moment, the elastic plate 7 can expand under the extrusion of the push plate 6, and at the moment, the expanded elastic plate 7 can promote the effect of water flowing in the cooling fin 3, so that the effect of cooling the electronic bin 205 is improved; when the elastic plate 7 is extruded, gas in the elastic plate 7 can push the inner wall of the elastic plate 7, at this time, because the limiting plate 11 limits the ball 10, the inner wall of the elastic plate 7 can not expand immediately due to the pushing of the gas, when the elastic plate 7 continuously moves, the air pressure in the elastic plate 7 can be higher and higher, when the air pressure reaches a certain value, the ball 10 can squeeze the limiting plate 11 to deform, so that the limiting plate 11 can not limit the ball 10 any more, at this time, the elastic plate 7 can expand rapidly to push water in the radiating fin 3, the speed of one side of the elastic plate 7 is improved, at this time, the water flowing speed can be accelerated, so that the uniform temperature effect of the water is improved, when the push plate 6 resets, the first spring 12 can pull the expansion surface of the elastic plate 7 to reset, at this time, the push rod 9 can push the ball 10 to deform under the pull of the first spring 12, and then the ball 10 can reset, so that the mechanism can be repeatedly used;
when the corrugated pipe 4 is extruded by the detection magnetic ring 202, the gas in the corrugated pipe 4 can be blown out from the gas outlet hole 13, and at the moment, the gas can blow out impurities on the stainless steel protection pipe 207 and the detection magnetic ring 202, so that the normal use of the detection magnetic ring 202 is not affected by the impurities, and the stability of the detection magnetic ring 202 in use is improved;
when the electronic components in the electronic bin 205 are short-circuited, the electronic bin 205 is extremely easy to fire, and at the moment, the sealing plug 15 can be melted due to high temperature, so that water in the cooling fin 3 can flow on the electronic bin 205 from the connecting pipe 14 to quickly cool the electronic bin 205; when the sealing plug 15 melts, the limiting wire 17 loses the fixed force, at this time, the limiting wire 17 can not pull the push block 18 any more, at this time, the second spring 16 can push the push block 18, at this time, the push block 18 can push the water in the cooling fin 3, so that the water can be sprayed onto the electronic bin 205 from the connecting pipe 14, at this time, the sprayed water can be sprayed onto the electronic bin 205, so that the cooling range of the water to the electronic bin 205 is improved, and at the same time, the cooling fin 3 can spray more water from the cooling fin 3 under the pushing of the push block 18.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A displacement sensor of built-in pressure transmitter, characterized in that: comprises a pressure transmitter body (1) and a displacement sensor body (2); the pressure transmitter body (1) comprises a pressure seat (101), a strain gauge (102), a support (103) and an aluminum binding wire (104), the displacement sensor body (2) comprises a waveguide wire (201), a detection magnetic ring (202), an energy pick-up coil (203), a small magnet (204), an electronic bin (205), a mounting base (206), a stainless steel protection tube (207) and a measuring rod (208), the pressure seat (101) is welded with the tail end of the measuring rod (208) in a matched mode, the strain gauge (102) is fixedly mounted at the bottom of the pressure seat (101) through the support (103), a detection magnetic ring (202) is arranged on the surface of the stainless steel protection tube (207), the pressure transmitter body (1) and the displacement sensor body (2) are mounted in the electronic bin (205) through a common integrated circuit, the small magnet (204) and the energy pick-up coil (203) are arranged on the surface of the waveguide wire (201), one end, far away from the electronic bin (205), of the waveguide wire (201) is connected with the aluminum binding wire (104), and the surface of the stainless steel protection tube (207) is connected with the base (206);
the surface of the electronic bin (205) is fixedly connected with a radiating fin (3) made of copper through a connecting frame, the inside of the radiating fin (3) is of a hollow structure, and water is stored in the radiating fin (3);
one side of the installation base (206) close to the detection magnetic ring (202) is fixedly connected with an elastic corrugated pipe (4), one end surface of the corrugated pipe (4) far away from the installation base (206) is fixedly connected with a pair of push rods (5), the surfaces of the push rods (5) are in sealing sliding connection with one side of the cooling fins (3), one end of the push rods (5) positioned in the cooling fins (3) is fixedly provided with a push plate (6), and the push plate (6) is in sliding connection with the inside of the cooling fins (3);
the inner wall of the radiating fin (3) is fixedly connected with a hollow elastic plate (7);
the utility model discloses a mounting bracket that elastic plate (7) is close to inner wall one side fixedly connected with a set of symmetry that electronic bin (205) set up (8), limiting plate (11) that one side that mounting bracket (8) are close to each other equal fixedly connected with elastic material made, inner wall one side fixedly connected with a set of ejector pin (9) that the fin was kept away from to elastic plate (7), one end fixedly connected with ball (10) that ejector pin (9) are close to mounting bracket (8), the surface and the free end laminating of limiting plate (11) of ball (10), the inner wall fixedly connected with of elastic plate (7) a set of first spring (12).
2. The displacement sensor of claim 1, wherein the sensor comprises: a group of air outlet holes (13) are formed in one side, close to the detection magnetic ring (202), of the corrugated pipe (4), and a group of through holes corresponding to the air outlet holes (13) are formed in the detection magnetic ring (202).
3. The displacement sensor of claim 1, wherein the sensor comprises: one side of the radiating fin (3) close to the electronic bin (205) is communicated with a pair of connecting pipes (14), and the connecting pipes (14) are fixedly connected with sealing plugs (15) made of hot melt adhesives.
4. A displacement sensor for a built-in pressure transmitter according to claim 3, wherein: the cooling fin (3) sliding connection has ejector pad (18), one side that the ejector pad (18) kept away from the elastic sheet and one side fixedly connected with a set of second spring (16) of fin (3), one side fixedly connected with spacing line (17) that one of them sealing plug (15) is close to electron storehouse (205), the other end of spacing line (17) passes one side that the fin (3) is close to electron storehouse (205) and with ejector pad (18) fixed connection, spacing line (17) and fin (3) lateral wall sliding seal connection.
5. The displacement sensor of claim 1, wherein the sensor comprises: an elastic hollow column (19) is fixedly connected between the push plate (6) and the push block (18), a group of guide pipes (20) are communicated with the hollow column (19), and the other ends of the guide pipes (20) are in contact with the surface of the electronic bin (205).
6. A method of manufacturing a built-in pressure transmitter displacement sensor according to any one of claims 1 to 5, characterized by: the method comprises the following steps:
s1: selecting a waveguide wire (201), a measuring rod (208), a stainless steel protection tube (207), an electronic bin (205), an energy picking coil (203), a small magnet (204), a detection magnetic ring (202) and a mounting base (206) as component elements of the displacement sensor body (2);
s2: connecting a non-contact detection magnetic ring (202) sleeved on a stainless steel protection tube (207) with a measured object moving mechanism to realize displacement measurement;
s3: the pressure transmitter body (1) is arranged in the displacement sensor body (2), the pressure seat (101), the strain gauge (102) and the aluminum binding wire (104) are selected as constituent elements of the pressure transmitter body (1), and the pressure seat (101) and the tail end of the measuring rod (208) are welded in a matched manner, so that the built-in pressure transmitter body (1) and the displacement sensor body (2) are manufactured.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6779409B1 (en) * | 1997-01-27 | 2004-08-24 | Southwest Research Institute | Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors |
| CN101812628A (en) * | 2009-02-24 | 2010-08-25 | 北京麦格东方材料技术有限公司 | Fe-Ga based magnetostrictive wire and preparation method thereof |
| CN202083345U (en) * | 2011-03-01 | 2011-12-21 | 欧阳祖熙 | Displacement sensing device for borehole strain meter |
| CN104847733A (en) * | 2015-05-07 | 2015-08-19 | 北京理工大学 | Air cylinder having friction force estimation function |
| CN206787480U (en) * | 2017-04-07 | 2017-12-22 | 江门市德立机电设备有限公司 | A kind of structure improved magnetostrictive displacement sensor |
| CN206944918U (en) * | 2017-04-07 | 2018-01-30 | 江门市德立机电设备有限公司 | A kind of contactless mangneto telescopic displacement sensor |
| CN111396499A (en) * | 2020-03-24 | 2020-07-10 | 上海材料研究所 | Three-dimensional vibration isolation table with active control |
| CN212363369U (en) * | 2020-06-19 | 2021-01-15 | 上海融德亦村机电有限公司 | Integrated magnetostrictive liquid level meter |
| CN213179846U (en) * | 2020-06-01 | 2021-05-11 | 北京特倍福电子技术有限公司 | Magnetostrictive displacement sensor |
| CN217005678U (en) * | 2022-04-01 | 2022-07-19 | 北京特倍福电子技术有限公司 | Miniaturized mining intrinsically safe magnetostrictive displacement sensor |
| CN217560705U (en) * | 2022-07-07 | 2022-10-11 | 北京特倍福电子技术有限公司 | Semi-built-in intrinsic safety type magnetostrictive displacement temperature sensor for mine |
| CN116275664A (en) * | 2023-05-17 | 2023-06-23 | 广东润宇传感器股份有限公司 | Manufacturing method of back gold eutectic welding sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5865876B2 (en) * | 2013-07-31 | 2016-02-17 | Ｋｙｂ株式会社 | Fluid pressure cylinder |
-
2023
- 2023-07-06 CN CN202310821728.XA patent/CN116558402B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6779409B1 (en) * | 1997-01-27 | 2004-08-24 | Southwest Research Institute | Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors |
| CN101812628A (en) * | 2009-02-24 | 2010-08-25 | 北京麦格东方材料技术有限公司 | Fe-Ga based magnetostrictive wire and preparation method thereof |
| CN202083345U (en) * | 2011-03-01 | 2011-12-21 | 欧阳祖熙 | Displacement sensing device for borehole strain meter |
| CN104847733A (en) * | 2015-05-07 | 2015-08-19 | 北京理工大学 | Air cylinder having friction force estimation function |
| CN206787480U (en) * | 2017-04-07 | 2017-12-22 | 江门市德立机电设备有限公司 | A kind of structure improved magnetostrictive displacement sensor |
| CN206944918U (en) * | 2017-04-07 | 2018-01-30 | 江门市德立机电设备有限公司 | A kind of contactless mangneto telescopic displacement sensor |
| CN111396499A (en) * | 2020-03-24 | 2020-07-10 | 上海材料研究所 | Three-dimensional vibration isolation table with active control |
| CN213179846U (en) * | 2020-06-01 | 2021-05-11 | 北京特倍福电子技术有限公司 | Magnetostrictive displacement sensor |
| CN212363369U (en) * | 2020-06-19 | 2021-01-15 | 上海融德亦村机电有限公司 | Integrated magnetostrictive liquid level meter |
| CN217005678U (en) * | 2022-04-01 | 2022-07-19 | 北京特倍福电子技术有限公司 | Miniaturized mining intrinsically safe magnetostrictive displacement sensor |
| CN217560705U (en) * | 2022-07-07 | 2022-10-11 | 北京特倍福电子技术有限公司 | Semi-built-in intrinsic safety type magnetostrictive displacement temperature sensor for mine |
| CN116275664A (en) * | 2023-05-17 | 2023-06-23 | 广东润宇传感器股份有限公司 | Manufacturing method of back gold eutectic welding sensor |
Non-Patent Citations (1)
| Title |
|---|
| 磁致伸缩传感器技术应用的发展;文西芹等;传感器技术;第22卷(第2期);第1-4、7页 * |
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