CN115560868A - Bimetallic thermometer with telescopic and adjustable probe and use method thereof - Google Patents
Bimetallic thermometer with telescopic and adjustable probe and use method thereof Download PDFInfo
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- CN115560868A CN115560868A CN202211226179.3A CN202211226179A CN115560868A CN 115560868 A CN115560868 A CN 115560868A CN 202211226179 A CN202211226179 A CN 202211226179A CN 115560868 A CN115560868 A CN 115560868A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
- G01K3/14—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of space
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
- G01K5/64—Details of the compounds system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
- G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
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- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a thermometer, in particular to a bimetallic thermometer with a telescopically adjustable probe and a use method thereof. The temperature measuring device comprises a display part and a temperature measuring part arranged below the display part, wherein the display part is used for displaying the temperature measured by the temperature measuring part, the temperature measuring part comprises a first temperature sensing mechanism and a second temperature sensing mechanism, temperature sensing devices are arranged in the first temperature sensing mechanism and the second temperature sensing mechanism, the second temperature sensing mechanism is arranged in the first temperature sensing mechanism in a sliding mode, when the second temperature sensing mechanism slides to the bottom end of the first temperature sensing mechanism, the probe can be adjusted in a telescopic mode, in the bimetallic thermometer and the using method thereof, the second bimetallic strip drives the second transmission shaft to rotate forwards, the first bimetallic strip drives the second transmission shaft to rotate backwards, the same number of turns between the second bimetallic strip and the first bimetallic strip are offset, the display of the temperature difference is completed, and at the moment, people are not needed to calculate.
Description
Technical Field
The invention relates to a thermometer, in particular to a bimetallic thermometer with a telescopically adjustable probe and a use method thereof.
Background
The bimetal thermometer combines two metals with different linear expansion coefficients, one end of the bimetal thermometer is fixed, and when the temperature changes, the two metals have different thermal expansion and drive the pointer to deflect so as to indicate the temperature. The temperature measuring range is-80-500C, and the temperature measuring device is suitable for temperature measurement in the industrial field with low precision requirement. The bimetallic strip as a temperature sensing element can also be used for automatic temperature control.
When measuring the temperature of environments with different depths, the length of the probe on the thermometer needs to be changed, namely the telescopic probe. However, in practice, the telescopic thermometer is usually used in equipment for measuring temperature difference of different heights, such as water-filled equipment, and needs to test the temperature of different water levels, however, the current thermometer only adjusts the length of the probe to obtain the temperature of different positions, and then calculates the temperature difference of the two temperatures. However, for some older workers, they are difficult to calculate by mouth calculation, and carry extra computing equipment, which results in the reduction of temperature measurement efficiency.
Disclosure of Invention
The present invention is directed to a bimetallic thermometer with a retractable probe and a method for using the same to solve the above problems.
In order to achieve the above object, one of the objects of the present invention is to provide a bimetallic thermometer with a telescopically adjustable probe, which includes a display unit and a temperature measuring unit disposed below the display unit, wherein the display unit is used for displaying a temperature measured by the temperature measuring unit, the temperature measuring unit includes a first temperature sensing mechanism and a second temperature sensing mechanism, both the first temperature sensing mechanism and the second temperature sensing mechanism are provided with temperature sensing devices, the second temperature sensing mechanism is slidably disposed inside the first temperature sensing mechanism, and when the second temperature sensing mechanism slides to a bottom end of the first temperature sensing mechanism, the temperature sensing device in the first temperature sensing mechanism drives the second temperature sensing mechanism to rotate, so that a temperature sensed by the temperature sensing device in the first temperature sensing mechanism and a temperature sensed by the temperature sensing device in the second temperature sensing mechanism are offset, so as to obtain a temperature difference between the temperature sensing device in the first temperature sensing mechanism and the temperature sensing device in the second temperature sensing mechanism.
As a further improvement of this technical scheme, the display unit includes the casing, one side of casing is provided with the glass board, the bottom intercommunication of casing has the connecting pipe, the connecting pipe internal fixation is provided with the fixed plate, the inner wall fixedly connected with mounting panel of casing one side, the mounting panel is "U" shape structure, the centre department of mounting panel runs through there is first transmission shaft, first transmission shaft rotates with the mounting panel to be connected, the mounting panel is close to the one end fixedly connected with pointer of glass board, the coaxial fixedly connected with driven gear of the other end of mounting panel, driven gear's outer lane meshing has drive gear, the coaxial fixedly connected with in bottom of drive gear connects.
As a further improvement of the technical scheme, the first temperature sensing mechanism includes a sleeve, the top end of the sleeve is communicated with the bottom end of the connecting pipe, the bottom end of the sleeve is provided with a port, the inner ring at the top of the sleeve is fixedly provided with a fixing ring, the bottom end of the fixing ring is fixedly connected with a first bimetal, the bottom end of the first bimetal is provided with a transmission member, and the transmission member is used for driving the second temperature sensing mechanism to rotate.
As a further improvement of this technical scheme, second temperature sensing mechanism is including the installation pipe, inside the installation pipe penetrated the sleeve through the opening, the installation pipe slides and sets up in the opening, be provided with the bimetal piece of second in the installation pipe, the bottom mounting of the bimetal piece of second sets up the bottom at the installation pipe, the fixed connecting block that is provided with in top of the bimetal piece of second, the connecting block activity sets up at the installation intraduct, the top fixedly connected with second transmission shaft of connecting block, the cooperation of pegging graft between second transmission shaft and the connecting axle, the top fixedly connected with bulge loop of installation pipe.
As a further improvement of the present technical solution, the first bimetal and the second bimetal are both in a spiral shape, and the rotation directions of the first bimetal and the second bimetal are opposite.
As a further improvement of the technical scheme, the transmission part comprises a rotating ring, the rotating ring is rotatably arranged at the bottom of the sleeve, the rotating ring penetrates through the bottom of the sleeve, a plurality of convex blocks are fixedly connected to the top of the rotating ring, a transmission rod is fixedly arranged at the top of the rotating ring, a sleeve is sleeved on the outer wall of the transmission rod in a sliding mode, the sleeve is fixedly arranged at the bottom end of the first double-metal sheet, a plurality of clamping grooves are formed in the outer ring of the convex ring, and the clamping grooves are in splicing fit with the convex blocks.
As a further improvement of the technical scheme, the bottom of the installation pipe is provided with a fastening system, the fastening system comprises a rotary table, the rotary table rotates to be arranged on the outer ring of the installation pipe, the rotary table is located at the bottom of the installation pipe, the inner wall of the rotary table is in threaded connection with the outer wall of the installation pipe, and a plurality of compression springs are fixedly arranged on the inner wall of the bottom of the rotary table.
As a further improvement of the technical scheme, a plurality of convex rods are fixedly arranged on the inner ring of the connecting block and matched with the clamping grooves in an inserting mode, threaded openings are formed in the positions, located on the connecting block, of the side walls of the sleeve, and threaded columns are connected to the threaded openings in an internal thread mode.
As a further improvement of this technical scheme, the outer wall sliding connection of carousel and installation pipe, frictional force has between carousel inner wall and the installation outside of tubes wall, the top fixedly connected with spliced pole of connecting block, the top fixedly connected with collar of spliced pole, a plurality of slots have been seted up to the inner circle of collar, the fixed a plurality of inserted bars that are provided with in below that the connecting axle outer wall is located the collar, inserted bar and inserted bar grafting cooperation, the bottom fixedly connected with backup pad of mounting panel, drive gear's bottom is rotated with the top of backup pad and is connected, the top fixedly connected with drive shaft of connecting axle, drive shaft and drive gear vertical sliding connection, the top fixedly connected with connecting rod of drive shaft, the connecting rod runs through the lateral wall of casing, connecting rod and casing sliding connection, the top of casing is run through there is the depression bar, depression bar and casing threaded connection, work as when moving down the depression bar, the depression bar extrudees the collar.
It is a further object of the present invention to provide a method of using a bimetallic thermometer with a telescopically adjustable probe as described above, comprising the steps of:
s1, moving to the bottom end of a sleeve, and then placing the device into equipment needing to be detected, wherein the depths of the installation pipe and the sleeve in water are not the same due to different positions between the installation pipe and the sleeve, and the position of the installation pipe is assumed to be a, and the position of the sleeve is assumed to be b;
s2, a second bimetal in the installation pipe senses the temperature at the position a, deforms and rotates according to the strength of the temperature, and drives a second transmission shaft to rotate through a connecting block, the second transmission shaft drives a pointer to rotate through a connecting shaft, a driving gear, a driven gear and a first transmission shaft, and the pointer displays the temperature at the position a at the moment;
s3, sensing the temperature at the position b by a first bimetal in the sleeve, generating deformation rotation according to the strength of the temperature, driving a transmission rod to rotate through a sleeve, driving a rotating ring by the transmission rod, driving an installation pipe to rotate through a bump and a clamping groove by the rotating ring, driving a second bimetal by the installation pipe, driving a second transmission shaft to rotate through a connecting block by the second bimetal, and driving a pointer to rotate through a connecting shaft, a driving gear, a driven gear and a first transmission shaft by the second transmission shaft;
and S4, because the temperature indicated by the pointer is the temperature at the position a, the temperature displayed after the pointer rotates for the second time is the temperature difference between the position a and the position b.
Compared with the prior art, the invention has the beneficial effects that:
1. in the bimetallic thermometer with the telescopic and adjustable probe and the using method thereof, the second bimetallic strip drives the second transmission shaft to rotate forwards, the first bimetallic strip drives the second transmission shaft to rotate backwards, so that the same number of turns between the second bimetallic strip and the first bimetallic strip are offset, the display of the temperature difference is completed, and at the moment, people do not need to calculate.
2. According to the bimetallic thermometer with the telescopic adjustable probe and the use method of the bimetallic thermometer, the first temperature sensing mechanism extends into the sleeve, the threaded column is unscrewed after the temperature is measured through the first bimetallic strip, and the installation pipe is driven to rotate through the deformation of the second bimetallic strip to carry out the second measurement, so that the temperature is checked.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of the housing of the present invention;
FIG. 4 is a schematic view of a driving gear of the present invention;
FIG. 5 is a schematic cross-sectional view of a sleeve according to the present invention;
FIG. 6 is an enlarged view of the bushing of FIG. 5 at A in accordance with the present invention;
FIG. 7 is a schematic view of a swivel structure according to the present invention;
FIG. 8 is a schematic cross-sectional view of the mounting tube of the present invention;
FIG. 9 is a schematic view of the fastener system of the present invention;
FIG. 10 is a cross-sectional view of a swivel according to the present invention;
FIG. 11 is a schematic view of the construction of the mounting ring of the present invention;
fig. 12 is a schematic structural view of the insert rod of the present invention.
The various reference numbers in the figures mean:
100. a display section;
110. a housing; 111. a glass plate; 112. a connecting pipe; 113. a fixing plate; 114. mounting a plate; 115. a first drive shaft; 116. a pointer; 117. a driven gear; 118. a drive gear; 119. a connecting shaft;
120. a connector;
130. a support plate; 131. a connecting rod; 132. a drive shaft;
200. a temperature measuring part;
210. a first temperature sensing mechanism; 211. a sleeve; 212. a port; 213. a fixing ring; 214. a first bimetal; 215. a sleeve; 216. a transmission member;
220. a second temperature sensing mechanism; 221. installing a pipe; 222. a second bimetallic strip; 223. connecting blocks; 224. a second drive shaft; 225. a convex ring; 226. a card slot;
230. rotating the ring; 231. a bump; 232. a transmission rod;
240. fastening the fastening system; 241. a turntable; 242. a compression spring;
250. a nose bar; 251. a threaded post;
260. connecting columns; 261. a mounting ring; 262. a slot; 263. inserting a rod; 264. a pressure lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the present invention provides a bimetallic thermometer with a telescopically adjustable probe, including a display unit 100 and a temperature measuring unit 200 disposed below the display unit 100, wherein the display unit 100 is configured to display a temperature measured by the temperature measuring unit 200, the temperature measuring unit 200 includes a first temperature sensing mechanism 210 and a second temperature sensing mechanism 220, both the first temperature sensing mechanism 210 and the second temperature sensing mechanism 220 are provided with temperature sensing devices, the second temperature sensing mechanism 220 is slidably disposed inside the first temperature sensing mechanism 210, during detection, the second temperature sensing mechanism 220 slides to a bottom end of the first temperature sensing mechanism 210, and after the temperature is detected, the temperature sensing device in the first temperature sensing mechanism 210 drives the second temperature sensing mechanism 220 to rotate, so that a temperature sensed by the temperature sensing device in the first temperature sensing mechanism 210 offsets a temperature sensed by the temperature sensing device in the second temperature sensing mechanism 220, thereby obtaining a temperature difference between the temperature sensing device in the first temperature sensing mechanism 210 and the temperature sensing device in the second temperature sensing mechanism 220.
Next, a first embodiment of the invention is illustrated by means of figures 2-10,
in fig. 2 and 3, the display unit 100 includes a housing 110, a glass plate 111 is disposed on one side of the housing 110, the glass plate 111 is preferably made of transparent glass to prevent external objects from affecting the rotation of a pointer 116, and contents indicated by the pointer 116 can be seen through the glass plate 111, a connecting pipe 112 is communicated with the bottom of the housing 110, in order to satisfy the long-term fixing of the device, a connecting head 120 is fixedly disposed on an outer wall of the connecting pipe 112, threaded holes on some products of the device are engaged through the connecting head 120 to achieve the long-term fixing, a fixing plate 113 is fixedly disposed in the connecting pipe 112, a mounting plate 114 is fixedly connected to an inner wall of one side of the housing 110, the mounting plate 114 is in a "U" shape, a first transmission shaft 115 penetrates through the middle of the mounting plate 114, the first transmission shaft 115 is rotatably connected to the mounting plate 114, the pointer 116 is fixedly connected to one end of the mounting plate 114 close to the glass plate 111, a driven gear 117 is coaxially and fixedly connected to the other end of the mounting plate 114, a driving gear 118 is engaged to an outer ring of the driven gear 117, a bottom end of the driving gear 119 is coaxially fixedly connected to the fixing plate 113, and the connecting shaft 119 is rotatably connected to the fixing plate 113.
In fig. 5, the first temperature sensing mechanism 210 includes a sleeve 211, the top end of the sleeve 211 is communicated with the bottom end of the connecting pipe 112, the communicating manner preferably adopts a threaded connection, that is, a thread groove is formed in the inner ring of the connecting pipe 112, a thread is formed in the outer ring of the sleeve 211, then the top end of the sleeve 211 is screwed into the inner ring of the connecting pipe 112, the bottom end of the sleeve 211 is provided with a through opening 212, the inner ring at the top of the sleeve 211 is fixedly provided with a fixing ring 213, the bottom end of the fixing ring 213 is fixedly connected with a first bimetal 214, the bottom end of the first bimetal 214 is provided with a transmission member 216, and the transmission member 216 is used for driving the second temperature sensing mechanism 220 to rotate.
In fig. 8, the second temperature sensing mechanism 220 includes a mounting tube 221, the mounting tube 221 penetrates into the sleeve 211 through the through hole 212, the mounting tube 221 is slidably disposed in the through hole 212, a second bimetal 222 is disposed in the mounting tube 221, a bottom end of the second bimetal 222 is fixedly disposed at a bottom of the mounting tube 221, a connecting block 223 is fixedly disposed at a top end of the second bimetal 222, the connecting block 223 is movably disposed in the mounting tube 221, that is, the connecting block 223 can longitudinally slide on an inner wall of the mounting tube 221 and can also rotate in the mounting tube 221, the main purpose of the second temperature sensing mechanism is to limit the second transmission shaft 224, so as to ensure that the second transmission shaft 224 is always located in a middle position inside the mounting tube 221, the top end of the connecting block 223 is fixedly connected with the second transmission shaft 224, the top end of the second transmission shaft 224 penetrates into the connecting shaft 119 through a bottom end of the connecting shaft 119, so that the second transmission shaft 224 and the connecting shaft 119 form an insertion fit relationship, and the top end of the mounting tube 221 is fixedly connected with a convex ring 225, so as to prevent the mounting tube 221 from being separated from the sleeve 211.
It should be noted that the first bimetal 214 and the second bimetal 222 are both in a spiral shape, so that when the temperature is sensed, the deformation of the first bimetal 214 and the second bimetal 222 can generate rotation, and the rotation direction between the first bimetal 214 and the second bimetal 222 is opposite.
The calculation method of the temperature difference is to subtract the temperature measured by the second temperature sensing mechanism 220 from the temperature measured by the first temperature sensing mechanism 210, so that the first bimetal 214 needs to drive the second temperature sensing mechanism 220 to rotate when measuring the temperature, and thus the rotation angle of the second temperature sensing mechanism 220 can be offset, but the first bimetal 214 drives the second temperature sensing mechanism 220 to rotate and needs to be completed by the transmission member 216, and therefore, the transmission member 216 is disclosed in the following, as shown in fig. 6 and 7:
the transmission member 216 includes a rotating ring 230, the rotating ring 230 is rotatably disposed at the bottom of the sleeve 211, the rotating ring 230 penetrates through the bottom of the sleeve 211, a plurality of protrusions 231 are fixedly connected to the top of the rotating ring 230, a transmission rod 232 is fixedly disposed at the top of the rotating ring 230, a sleeve 215 is slidably disposed on an outer wall of the transmission rod 232, the sleeve 215 is fixedly disposed at the bottom end of the first bimetal 214, a plurality of slots 226 are disposed on an outer ring of the protrusion 225, the slots 226 are in insertion fit with the protrusions 231, when in use, the first bimetal 214 deforms after sensing high temperature and drives the sleeve 215 to rotate, the sleeve 215 drives the transmission rod 232 to rotate, the transmission rod 232 drives the rotating ring 230 to rotate, the rotating ring 230 drives the protrusion 225 to rotate through the protrusions 231 and the slots 226, the protrusion 225 drives the installation pipe 221 to rotate, and the installation pipe 221 rotates naturally and drives the second transmission shaft 224 to rotate through the second bimetal 222 and the connection block 223.
It should be noted that the inner ring and the outer ring of the rotating ring 230 are both protruded outwards, and the protruded parts can support the through opening 212 to prevent the through opening 212 at the bottom of the sleeve 211 from partially separating from the inner ring of the rotating ring 230. Of course, a fixing rod may be disposed at the bottom port 212 of the sleeve 211, and one end of the fixing rod is fixed to the inner wall of the sleeve 211, so as to fix the bottom port 212 of the sleeve 211 and prevent the swivel 230 from affecting the bottom port 212 of the sleeve 211.
The working principle is as follows:
the device is moved to the bottom end of the sleeve 211, and then the device is placed at a device to be detected, because the positions of the installation tube 221 and the sleeve 211 are different, the depths of the installation tube 221 and the sleeve 211 in water are not the same, assuming that the position of the installation tube 221 is a and the position of the sleeve 211 is b, then the second bimetal 222 in the installation tube 221 senses the temperature at the position a, deforms and rotates according to the strength of the temperature and drives the second transmission shaft 224 to rotate through the connection block 223, the second transmission shaft 224 drives the pointer 116 to rotate through the connection shaft 119, the driving gear 118, the driven gear 117 and the first transmission shaft 115, the pointer 116 displays the temperature at the position a, and at the same time, the first bimetal 214 in the sleeve 211 senses the temperature at the position b and deforms and rotates according to the strength of the temperature and drives the transmission rod 232 to rotate through the sleeve 215, the transmission rod 232 drives the rotation ring 230, the rotation ring 230 drives the installation tube 221 to rotate through the protrusion 231 and the slot 226, the installation tube 221 drives the second double metal sheet 222, the second double metal sheet 222 drives the second transmission shaft 224 to rotate through the connection block 223, the second transmission shaft 224 drives the pointer 116 to rotate through the connection shaft 119, the driving gear 118, the driven gear 117 and the first transmission shaft 115, since the temperature indicated by the pointer 116 is the temperature at the position a, the temperature displayed after the second time of rotation of the pointer 116 is the temperature difference between the position a and the position b (for example, the temperature at the position a is 100 degrees, the second double metal sheet 222 drives the second transmission shaft 224 to rotate in a positive direction for 1 circle, the temperature at the position b is 80 degrees, the first double metal sheet 214 drives the second transmission shaft 224 to rotate in a negative for 0.8 circle, so that the temperature difference is 20 degrees, and the pointer 116 also indicates 20 degrees), in this case, no calculation is required.
Of course, when the temperature difference measurement is not needed, the mounting tube 221 does not have to be extended, for this purpose, please refer to fig. 8-9, a fastening system 240 is disposed at the bottom of the mounting tube 221, the fastening system 240 includes a rotating disc 241, the rotating disc 241 is rotatably disposed at the outer ring of the mounting tube 221, the rotating disc 241 is located at the bottom of the mounting tube 221, the inner wall of the rotating disc 241 is in threaded connection with the outer wall of the mounting tube 221, a plurality of compression springs 242 are fixedly disposed at the inner wall of the bottom of the rotating disc 241, when in use, the mounting tube 221 is extended into the sleeve 211, then the rotating disc 241 is screwed to make the rotating disc 241 in threaded connection with the outer wall of the mounting tube 221, at this time, the compression springs 242 are in contact with the bottom end of the rotating ring 230, the compression springs 242 press the rotating ring 230, so that the rotating ring 230 cannot rotate, at this time, the first bimetal 214 cannot deform, and cannot affect the measurement of the first temperature sensing mechanism 210, and under this scheme, only the first temperature sensing mechanism 210 can drive the connecting shaft 119.
It is a further object of this embodiment to provide a method of using a bimetallic thermometer for probe telescopic adjustment as defined in any one of the above, comprising the method steps of:
s1, moving to the bottom end of a sleeve 211, and then placing the device into equipment needing to be detected, wherein the depths of the installation pipe 221 and the sleeve 211 in water are not the same due to different positions between the installation pipe 221 and the sleeve 211, and the position of the installation pipe 221 is assumed to be a, and the position of the sleeve 211 is assumed to be b;
s2, sensing the temperature at the position a by a second bimetallic strip 222 in the installation pipe 221, generating deformation rotation according to the strength of the temperature, and driving a second transmission shaft 224 to rotate through a connecting block 223, wherein the second transmission shaft 224 drives the pointer 116 to rotate through a connecting shaft 119, a driving gear 118, a driven gear 117 and a first transmission shaft 115, and at this time, the pointer 116 displays the temperature at the position a;
s3, the first bimetal 214 in the sleeve 211 senses the temperature at the position b, deforms and rotates according to the strength of the temperature, and drives the transmission rod 232 to rotate through the sleeve 215, the transmission rod 232 drives the rotating ring 230, the rotating ring 230 drives the mounting pipe 221 to rotate through the bump 231 and the clamping groove 226, the mounting pipe 221 drives the second bimetal 222, the second bimetal 222 drives the second transmission shaft 224 to rotate through the connecting block 223, and the second transmission shaft 224 drives the pointer 116 to rotate through the connecting shaft 119, the driving gear 118, the driven gear 117 and the first transmission shaft 115;
s4, since the temperature indicated by the pointer 116 is the temperature at the position a, the temperature displayed after the pointer 116 rotates for the second time is the temperature difference between the position a and the position b.
In the second embodiment, in order to measure the temperature when one of the second bimetal 222 and the first bimetal 214 is damaged, please refer to fig. 11, an inner ring of the connecting block 223 is fixedly provided with a plurality of protruding rods 250, the protruding rods 250 are in inserting fit with the clamping grooves 226, a threaded opening is formed in the side wall of the sleeve 211 at the connecting block 223, and a threaded column 251 is connected to the threaded opening in a threaded manner.
In the working principle, when the second bimetal 222 is damaged, the first bimetal 214 can continue to work to measure temperature, but when the first bimetal 214 is damaged, the mounting tube 221 needs to be moved into the sleeve 211 at this time, the clamping groove 226 is inserted into the protruding rod 250, then the threaded column 251 is screwed, the end of the threaded column 251 is separated from the outer wall of the connecting block 223, at this time, the connecting block 223 can move in the sleeve 211, at this time, the second bimetal 222 rotates, the rotating ring 230 at the bottom end of the second bimetal 222 is fixed by the compression spring 242 and cannot rotate, so that the top end of the second bimetal 222 rotates to drive the connecting block 223, the connecting block 223 drives the mounting tube 221 to rotate through the protruding rod 250 and the clamping groove 226, the mounting tube 221 drives the second bimetal 222, the second bimetal 222 drives the second transmission shaft 224 to rotate through the connecting block 223, and the second transmission shaft 224 drives the pointer 116 to rotate through the connecting shaft 119, the driving gear 118, the driven gear 117 and the first transmission shaft 115, thereby completing the measurement.
Moreover, the technical solution in the second embodiment can be used for checking the temperature, for example, the first temperature sensing mechanism 210 is extended into the sleeve 211, the first bimetal 214 is used for measuring the temperature, the threaded column 251 is unscrewed, and the second bimetal 222 is deformed to drive the mounting tube 221 to rotate for the second measurement, so as to check the temperature.
In a third embodiment, in order to realize quick checking of temperatures at different positions, please refer to fig. 3, fig. 4, fig. 11 and fig. 12, a turntable 241 is slidably connected to an outer wall of a mounting tube 221, a friction force is provided between an inner wall of the turntable 241 and an outer wall of the mounting tube 221, the friction force is greater than a gravity of the mounting tube 221 so as not to affect fixing of the mounting tube 221, a connection column 260 is fixedly connected to a top of a connection block 223, a mounting ring 261 is fixedly connected to a top end of the connection column 260, a plurality of slots 262 are formed in an inner ring of the mounting ring 261, a plurality of insertion rods 263 are fixedly disposed below the mounting ring 261 on an outer wall of a connection shaft 119, the insertion rods 263 are in insertion fit with the insertion rods 263, a support plate 130 is fixedly connected to a bottom end of a mounting plate 114, a bottom end of a drive gear 118 is rotatably connected to a top end of the support plate 130, a top end of the connection shaft 119 is fixedly connected to a drive shaft 132, the drive shaft 132 is longitudinally slidably connected to the drive gear 118, the top end of the connection rod 131 penetrates through a side wall of the casing 110, the connection rod 131 is slidably connected to the casing 110, and the pressure rod 264 is screwed to press the mounting ring 261.
In the working principle, when the mounting tube 221 extends out of the sleeve 211, the rotating disc 241 is slid upwards to the top end of the mounting tube 221, and at the moment, the rotating disc 241 is rotated, so that the rotating ring 230 is fixed by the transmission rod 232, the second bimetal piece 222 detects a deeper position, and the first bimetal piece 214 detects a shallower position;
when the second bimetal 222 detects a deeper position, the data indicated by the rotation of the transmission member 216 is memorized, at this time, because the bottom end of the first bimetal 214 is fixed by the rotating ring 230, the top end of the first bimetal 214 is pressed and fixed by the pressing rod 264, the first bimetal 214 cannot rotate, and then when the temperature detected by the first bimetal 214 needs to be checked, the connecting rod 131 is pulled upwards, the connecting rod 131 drives the driving shaft 132 and the connecting shaft 119 to move upwards, the bottom end of the connecting shaft 119 moves upwards and is separated from the second driving shaft 224, the connecting shaft 119 drives the inserting rod 263 to move upwards to the inserting slot 262, then the pressing rod 264 is rotated to separate the pressing rod 264 from the mounting ring 261, after the limitation of the mounting ring 261 is cancelled, the deformation of the first bimetal 214 drives the connecting shaft 119 to rotate through the connecting block 223, the connecting rod 260 and the mounting ring 261, the connecting shaft 119 drives the pointer 116 to rotate through the driving gear 118, the driven gear 117 and the first driving shaft 115, at this time, the temperature detected by the first bimetal 214 is memorized, and the data indicated by the rotation of the transmission member 216 is also.
If the temperature detected by the second bimetallic strip 222 needs to be checked continuously, the connecting rod 131 is rotated by just recording the data of the rotation indication of the transmission piece 216, the connecting rod 131 drives the driving gear 118 to rotate through the driving shaft 132, the driving gear 118 drives the pointer 116 through the driven gear 117, so that the pointer 116 rotates to the just-previous position, then the connecting rod 131 is pressed downwards, the connecting rod 131 drives the connecting shaft 119 to move downwards, the connecting shaft 119 is inserted into the second transmission shaft 224 again, then the pressing rod 264 is rotated, and the pressing rod 264 presses the mounting ring 261 to fix the slot 262.
The foregoing shows and describes the general principles, essential 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 the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a bimetallic thermometer of scalable regulation of probe, includes display element (100) and temperature measurement part (200) of setting in display element (100) below, display element (100) are used for showing the temperature that temperature measurement part (200) were measured, temperature measurement part (200) include first temperature-sensing mechanism (210) and second temperature-sensing mechanism (220), all be provided with temperature sensing device, its characterized in that in first temperature-sensing mechanism (210) and the second temperature-sensing mechanism (220): the second temperature sensing mechanism (220) is arranged inside the first temperature sensing mechanism (210) in a sliding manner, when the second temperature sensing mechanism (220) slides to the bottom end of the first temperature sensing mechanism (210), a temperature sensing device in the first temperature sensing mechanism (210) drives the second temperature sensing mechanism (220) to rotate, so that the sensed temperature of the temperature sensing device in the first temperature sensing mechanism (210) and the sensed temperature of the temperature sensing device in the second temperature sensing mechanism (220) are offset, and the temperature difference between the temperature sensing device in the first temperature sensing mechanism (210) and the temperature sensing device in the second temperature sensing mechanism (220) is obtained.
2. The probe-telescopically adjustable bimetallic thermometer of claim 1, wherein: display element (100) is including casing (110), one side of casing (110) is provided with glass board (111), the bottom intercommunication of casing (110) has connecting pipe (112), connecting pipe (112) internal fixation is provided with fixed plate (113), inner wall fixedly connected with mounting panel (114) of casing (110) one side, mounting panel (114) are "U" shape structure, the centre department of mounting panel (114) runs through first transmission shaft (115), first transmission shaft (115) are connected with mounting panel (114) rotation, one end fixedly connected with pointer (116) that mounting panel (114) are close to glass board (111), the coaxial fixedly connected with driven gear (117) of the other end of mounting panel (114), the outer lane meshing of driven gear (117) has drive gear (118), the coaxial fixedly connected with connecting axle (119) in bottom of drive gear (118), fixed plate (113) run through setting and with fixed plate (113) rotation connection.
3. The probe-telescopically adjustable bimetallic thermometer of claim 2, wherein: first temperature-sensing mechanism (210) includes sleeve (211), the top of sleeve (211) with the bottom intercommunication of connecting pipe (112), opening (212) have been seted up to the bottom of sleeve (211), the inner circle at sleeve (211) top is fixed and is provided with solid fixed ring (213), the bottom fixedly connected with first bimetallic strip (214) of solid fixed ring (213), the bottom of first bimetallic strip (214) is provided with driving medium (216), driving medium (216) are used for driving second temperature-sensing mechanism (220) and rotate.
4. The probe-telescopically adjustable bimetallic thermometer of claim 3, wherein: the second temperature sensing mechanism (220) is including installation pipe (221), inside installation pipe (221) penetrated sleeve (211) through opening (212), installation pipe (221) slide to set up in opening (212), be provided with second bimetallic strip (222) in installation pipe (221), the bottom mounting of second bimetallic strip (222) sets up the bottom at installation pipe (221), the fixed connecting block (223) that is provided with in top of second bimetallic strip (222), connecting block (223) activity sets up inside installation pipe (221), the top fixedly connected with second transmission shaft (224) of connecting block (223), the grafting cooperation between second transmission shaft (224) and connecting axle (119), the top fixedly connected with bulge loop (225) of installation pipe (221).
5. The probe-telescopically adjustable bimetallic thermometer of claim 4, wherein: the first bimetal sheet (214) and the second bimetal sheet (222) are both in a thread spiral shape, and the rotation directions of the first bimetal sheet (214) and the second bimetal sheet (222) are opposite.
6. The probe-telescopically adjustable bimetallic thermometer of claim 5, wherein: the transmission part (216) comprises a rotating ring (230), the rotating ring (230) is rotatably arranged at the bottom of the sleeve (211), the rotating ring (230) penetrates through the bottom of the sleeve (211), a plurality of convex blocks (231) are fixedly connected to the top of the rotating ring (230), a transmission rod (232) is fixedly arranged at the top of the rotating ring (230), a sleeve (215) is sleeved on the outer wall of the transmission rod (232) in a sliding mode, the sleeve (215) is fixedly arranged at the bottom end of the first bimetallic strip (214), a plurality of clamping grooves (226) are formed in the outer ring of the convex ring (225), and the clamping grooves (226) are in splicing fit with the convex blocks (231).
7. The probe-telescopically adjustable bimetallic thermometer of claim 4, wherein: the bottom of installation pipe (221) is provided with fastening system (240), fastening system (240) are including carousel (241), carousel (241) rotate the outer lane that sets up at installation pipe (221), carousel (241) are located the bottom of installation pipe (221), the inner wall of carousel (241) and the outer wall threaded connection of installation pipe (221), the fixed a plurality of compression spring (242) that are provided with of bottom inner wall of carousel (241).
8. The probe-telescopically adjustable bimetallic thermometer of claim 6, wherein: the inner ring of connecting block (223) is fixed and is provided with a plurality of nose bars (250), nose bar (250) with draw-in groove (226) cooperation of pegging graft, the lateral wall of sleeve (211) is located connecting block (223) department and has seted up the screw thread mouth, screw thread mouth female connection has screw thread post (251).
9. The probe-telescopically adjustable bimetallic thermometer of claim 7, wherein: the rotary disc (241) is connected with the outer wall of the installation pipe (221) in a sliding way, friction force is arranged between the inner wall of the rotary disc (241) and the outer wall of the installation pipe (221), the top of the connecting block (223) is fixedly connected with a connecting column (260), the top end of the connecting column (260) is fixedly connected with a mounting ring (261), the inner ring of the mounting ring (261) is provided with a plurality of slots (262), a plurality of inserted rods (263) are fixedly arranged on the outer wall of the connecting shaft (119) below the mounting ring (261), the inserted bar (263) is inserted and matched with the inserted bar (263), the bottom end of the mounting plate (114) is fixedly connected with a supporting plate (130), the bottom end of the driving gear (118) is rotatably connected with the top of the supporting plate (130), the top of the connecting shaft (119) is fixedly connected with a driving shaft (132), the driving shaft (132) is connected with the driving gear (118) in a longitudinal sliding way, the top end of the driving shaft (132) is fixedly connected with a connecting rod (131), the connecting rod (131) penetrates through the side wall of the shell (110), the connecting rod (131) is connected with the shell (110) in a sliding way, a pressure lever (264) penetrates through the top of the shell (110), the pressure lever (264) is in threaded connection with the shell (110), when the pressing rod (264) moves downwards, the pressing rod (264) presses the mounting ring (261).
10. A method of using a bimetallic thermometer with a telescopically adjustable probe as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, moving to the bottom end of a sleeve (211), then placing the device at a device to be detected, wherein the depths of a mounting pipe (221) and the sleeve (211) in water are not the same due to different positions between the mounting pipe (221) and the sleeve (211), and assuming that the position of the mounting pipe (221) is a and the position of the sleeve (211) is b;
s2, sensing the temperature at the position a by a second bimetallic strip (222) in the mounting pipe (221), generating deformation rotation according to the strength of the temperature, and driving a second transmission shaft (224) to rotate through a connecting block (223), wherein the second transmission shaft (224) drives a pointer (116) to rotate through a connecting shaft (119), a driving gear (118), a driven gear (117) and a first transmission shaft (115), and the pointer (116) displays the temperature at the position a at the moment;
s3, a first bimetal (214) in the sleeve (211) senses the temperature at the position b, deforms and rotates according to the strength of the temperature, and drives the transmission rod (232) to rotate through the sleeve (215), the transmission rod (232) drives the rotating ring (230), the rotating ring (230) drives the mounting pipe (221) to rotate through the convex block (231) and the clamping groove (226), the mounting pipe (221) drives the second bimetal (222), the second bimetal (222) drives the second transmission shaft (224) to rotate through the connecting block (223), and the second transmission shaft (224) drives the pointer (116) to rotate through the connecting shaft (119), the driving gear (118), the driven gear (117) and the first transmission shaft (115);
s4, since the temperature indicated by the pointer (116) is the temperature at the position a, the temperature displayed after the pointer (116) rotates for the second time is the temperature difference between the position a and the position b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211226179.3A CN115560868A (en) | 2022-09-30 | 2022-09-30 | Bimetallic thermometer with telescopic and adjustable probe and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211226179.3A CN115560868A (en) | 2022-09-30 | 2022-09-30 | Bimetallic thermometer with telescopic and adjustable probe and use method thereof |
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| Publication Number | Publication Date |
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| CN115560868A true CN115560868A (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211226179.3A Withdrawn CN115560868A (en) | 2022-09-30 | 2022-09-30 | Bimetallic thermometer with telescopic and adjustable probe and use method thereof |
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| CN (1) | CN115560868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118149989A (en) * | 2024-05-11 | 2024-06-07 | 信尔胜机械（江苏）有限公司 | Explosion-proof temperature sensor for air compressor |
-
2022
- 2022-09-30 CN CN202211226179.3A patent/CN115560868A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118149989A (en) * | 2024-05-11 | 2024-06-07 | 信尔胜机械（江苏）有限公司 | Explosion-proof temperature sensor for air compressor |
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