CN110672219B - High-precision industrial digital display thermometer - Google Patents
High-precision industrial digital display thermometer Download PDFInfo
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- CN110672219B CN110672219B CN201910938207.6A CN201910938207A CN110672219B CN 110672219 B CN110672219 B CN 110672219B CN 201910938207 A CN201910938207 A CN 201910938207A CN 110672219 B CN110672219 B CN 110672219B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The invention discloses a high-precision industrial digital display thermometer, which belongs to the technical field of thermometer equipment.
Description
Technical Field
The invention relates to the field of thermometer equipment, in particular to a high-precision industrial digital display thermometer.
Background
The thermometer is a general name of temperature measuring instruments, can accurately judge and measure temperature, takes the phenomena of expansion and contraction of cold caused by the influence of temperature on solid, liquid and gas as the basis of design, and has corresponding special purposes in different fields, wherein the industry has special industrial thermometers. The digital display thermometer displays the temperature in a digital mode instead of a pointer or mercury display mode, can accurately judge and measure the temperature, and is widely applied to industrial temperature measurement.
The current chinese patent that can refer to publication number for CN205748715U discloses a multipurpose digital display thermometer, which comprises a fixing plate, the fixed plate is provided with the fixed screw all around, and the fixed plate downside installs the tray, the thermometer host computer has been placed on the tray, gaseous temperature measurement equipment is installed to thermometer host computer upside, thermometer host computer front side distributes has display screen, start button and adjustment button. The right side of the thermometer host is provided with a power connector, a power line is installed on the power connector, a power plug is arranged at the tail end of the power line, a data input connector is arranged on the left side of the thermometer host and is connected to the handle through a data line, and liquid temperature measuring equipment is installed on the handle. When the liquid is subjected to temperature measurement, the handle is held by hands, the liquid temperature measurement equipment is inserted into the liquid, the liquid temperature measurement equipment is in contact with the liquid, the temperature is measured, and then data are transmitted through the data line and displayed on the display screen.
However, when the temperature of liquid is measured industrially, the temperature of some liquid is as high as several hundred degrees centigrade, the temperature of steam around the liquid is quite high, the handle of the thermometer is short, and when the liquid temperature measuring equipment is inserted into high-temperature liquid by holding the handle by hand, the high-temperature steam around the liquid easily scalds workers, thereby bringing potential safety hazard to actual operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a high-precision industrial digital display thermometer to achieve the effect of improving the use safety of the digital display thermometer.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a high accuracy industrial digital display thermometer, including the thermometer body, be provided with the data line on the thermometer body, the data line is connected with temperature probe, the last detection handle that is equipped with of temperature probe, it is provided with handle extension subassembly to survey on hand, handle extension subassembly includes extension cover and joint subassembly, extension cover is established on surveying on hand and is surveyed handle sliding connection, the joint subassembly is located to survey between handle and the extension cover with fixed extension cover, it is equipped with the probe determine module who is arranged in observing temperature probe and inserts in the liquid to survey on hand.
By adopting the technical scheme, when liquid with higher temperature is tested, firstly, the clamping assembly is released from fixing the extension sleeve, and the extension sleeve slides along the detection handle to the direction far away from the temperature probe; then the detection handle and the extension sleeve are fixedly connected through the clamping assembly, so that the length of the detection handle is increased; later, handheld extension cover, this moment, operating personnel is far away from temperature probe's distance, and operating personnel is far away apart from the liquid that awaits measuring promptly, and when temperature probe inserted high temperature liquid, can reduce high temperature liquid scald operating personnel's the condition, greatly improved the safety in utilization of thermometer body.
If operating personnel is far away from the liquid that awaits measuring, be not convenient for observe temperature probe and insert in the liquid, through set up probe determine module on temperature probe, then the handheld extension cover of operating personnel, the distance far away from the liquid that awaits measuring also can in time be known temperature probe and insert in the liquid that awaits measuring, so that in time master the temperature of the liquid that awaits measuring, do not need operating personnel to look over closely whether temperature probe inserts in the liquid, further reduce the condition that operating personnel was scalded, improve the safety in utilization of thermometer body.
In addition, when the liquid level of measuring liquid is lower, also can survey the length of handle through extension cover extension to the handheld extension cover of operating personnel is measured the lower liquid of liquid level, improves the measuring range of thermometer body, convenient to use. When the environment that measured liquid was located was darker, whether operating personnel can't direct observation temperature probe contacted with the liquid that awaits measuring, at this moment, used probe determine module, the convenience when improving the in-service use is located to the position of the test probe of being convenient for.
The invention is further provided with a plurality of extension sleeves which are sequentially sleeved on the periphery of the detection handle, and adjacent extension sleeves are connected through a clamping component.
By adopting the technical scheme, the plurality of extension sleeves are sleeved on the periphery of the detection handle, so that the length of the detection handle can be further increased, and the condition that an operator is scalded when measuring high-temperature liquid is reduced; simultaneously, a plurality of extension cover pass through the joint subassembly and connect, can use the extension cover of different numbers according to the needs of difference to the different length of extension, it is more nimble, convenient to use, and it is convenient when improving the use.
The clamping assembly comprises a clamping block, a clamping groove and a driving spring, the clamping block is clamped and embedded on the outer peripheral surface of the detection handle, the extension direction of the driving spring is perpendicular to the length direction of the detection handle, two ends of the driving spring are fixedly connected with the detection handle and the clamping block respectively, at least two clamping grooves are formed and are located at two ends of the extension sleeve respectively, and one end, far away from the driving spring, of the clamping block is clamped into the clamping groove.
Through adopting above-mentioned technical scheme, the hand is according to the fixture block, and drive spring is compressed, and the fixture block breaks away from with the draw-in groove, and with inside the fixture block card income detection handle, removes extension cover and detection handle's fixed, makes extension cover move to the direction of keeping away from temperature probe along the detection handle, then the inner wall butt of fixture block and extension cover. When the clamping groove at the other end of the extension sleeve moves to the position of the clamping block, the driving spring drives the clamping block to move and be clamped into the clamping groove, and therefore the extension sleeve is fixedly connected with the detection handle.
The invention is further provided that one end of the fixture block, which is far away from the driving spring, is of a hemispherical structure.
Through adopting above-mentioned technical scheme, the one end that drive spring was kept away from to the fixture block is the semicircle sphere, can prevent that operating personnel from being blocked the scratch, further improves thermometer body safety in utilization. Meanwhile, one end, far away from the driving spring, of the fixture block is in a semi-spherical shape, when the fixture block is pressed, the extension sleeve can slide without completely clamping the fixture block into the detection handle, and the extension sleeve pushes the fixture block into the detection handle while sliding the extension sleeve.
The invention is further configured that the probe detection assembly comprises a laser emitter, an observation mirror and a reflecting mirror for reflecting laser to the observation mirror, the reflecting mirror is fixedly connected with the end part of the temperature probe, the laser emitter is fixedly connected with the handle to emit laser to the reflecting mirror, and the observation mirror is fixedly connected with the outer wall of the extension sleeve to receive the laser reflected by the reflecting mirror.
Through adopting above-mentioned technical scheme, laser emitter launches laser to the speculum on, the speculum with laser reflection to the sight glass on, operating personnel observes the laser of reflection through the sight glass. When the temperature probe is inserted into the liquid, the reflector is also inserted into the liquid, and at the moment, the laser emitted by the laser emitter irradiates on the liquid to be refracted and cannot irradiate on the reflector, so that the laser cannot be reflected on the observation mirror, namely the laser cannot be observed on the observation mirror. Therefore, when the laser cannot be observed on the observation mirror, the temperature probe is inserted into the liquid to be measured, and the measured temperature is the accurate temperature of the liquid to be measured, so that the use is simple and convenient. The operating personnel do not need to be close to the liquid that awaits measuring and whether insert the liquid that awaits measuring of temperature probe, reduce the condition that operating personnel was scalded, improve the safety in utilization.
The invention is further arranged that the angle between the reflector and the temperature probe is 60 DEGoThe included angle between the incident laser of the laser transmitter and the reflector is 60o。
By adopting the technical scheme, the included angle between the reflector and the temperature probe is 60oAnd the included angle between the incident laser of the laser transmitter and the reflector is 60oThen the angle between the reflected laser and the reflector is 60oSo that the reflection direction of the reflected laser is parallel to the length direction of the extension sleeve. The length direction reflection of reflection laser along the extension cover to avoid changing the extension cover and use the number after, the unable condition of reflecting to the sight glass of reflection laser increases probe detecting element's application range.
The invention is further provided that one end of the detection handle far away from the temperature probe is provided with a winding shaft for winding the data wire, the winding shaft is rotationally connected with the detection handle, and a ratchet mechanism for enabling the winding shaft to rotate in one direction is connected between the winding shaft and the detection handle.
Through adopting above-mentioned technical scheme, owing to set up the extension cover, then the data line is corresponding extension also, when need not use the extension cover, the winding axle twines unnecessary data line on the winding axle, is convenient for accomodate the data line to avoid unnecessary data line longer and the winding together, reduce the condition of tearing the data line apart, increase the life of data line, thereby improve the life of thermometer body. Ratchet makes the winding axle unidirectional rotating, when detecting the handle through the extension cover extension, the winding axle forward rotates, and the data line is elongated, and ratchet can prevent the winding axle antiport to avoid the winding axle to pull the data line, reduce the condition that the data line is torn, further improve the life of data line.
The invention is further provided that the ratchet mechanism comprises a ratchet wheel and a pawl, the ratchet wheel is coaxial with the winding shaft and is fixedly connected with the winding shaft, the pawl is matched with the ratchet wheel, one end of the pawl, far away from the ratchet wheel, is hinged with the detection handle, and a contact spring which enables the pawl to be always contacted with the ratchet wheel is connected between the pawl and the ratchet wheel.
Through adopting above-mentioned technical scheme, when the winding axle forward rotation, drive the ratchet forward rotation, at this moment, the pawl slides on the back of the tooth of ratchet, and contact spring makes the pawl and ratchet butt all the time this moment. When the winding shaft rotates reversely, the pawl is inserted into the tooth groove of the ratchet wheel and is abutted against the ratchet wheel to prevent the ratchet wheel from rotating reversely, so that the winding shaft cannot rotate reversely, the data wire is prevented from being pulled, the situation that the data wire is pulled apart is reduced, and the use safety of the thermometer body is improved.
The invention is further provided that a locking bolt for locking the rotation of the winding shaft is arranged between the pawl and the detection handle, and the locking bolt penetrates through the pawl and then is in threaded connection with the detection handle.
Through adopting above-mentioned technical scheme, when need not prolong set extension detection handle, in order to prevent that the data line from twining each other, need twine unnecessary data line on the winding axle. At the moment, the pawl is lifted by hand, the shielding of the pawl on the ratchet wheel is released, the winding shaft is rotated reversely, and redundant data wires are wound on the winding shaft; then, loosen the pawl and make pawl and ratchet butt to through locking bolt with pawl and detection handle fixed connection, increase the stability of pawl, thereby make ratchet and winding shaft unable rotation, prevent that the data line from droing from the winding shaft.
The invention is further provided that one end of the extension sleeve at the outermost side, which is far away from the temperature probe, is fixedly connected with a fixing clamp for clamping the data wire.
Through adopting above-mentioned technical scheme, the data line is cliied to the fixation clamp, when removing the extension cover, can stimulate the data line to make the winding axle rotate, make the data line break away from the winding epaxial, lengthen the data line, need not firstly elongate the data line, remove the extension cover again, save operating procedure, improve the convenience when in actual use.
In conclusion, the invention has the following beneficial effects:
1. the handle extension assembly and the probe detection assembly are arranged, when the temperature of the high-temperature liquid is measured, the extension sleeve extends the length of the detection handle, the extension sleeve is fixedly connected with the detection handle through the clamping assembly, the extension sleeve is held by hands to insert the temperature probe into the liquid to be detected, an operator is far away from the liquid to be detected, and the condition that the operator is scalded is reduced; after the temperature probe is inserted into the liquid, the temperature can be known in time through the probe detection assembly, so that the temperature of the liquid can be accurately measured, and the measurement accuracy of the liquid can be improved; an operator does not need to approach to observe whether the temperature probe is inserted into the liquid or not, so that the condition that the operator is scalded is further reduced;
2. the included angle between the reflector and the temperature probe is 60 degreesoThe included angle between the incident laser of the laser transmitter and the reflector is 60oThereby ensuring that the reflected laser can be reflected along the length direction of the extension sleeve, and ensuring that the reflected laser can be observed from the observation mirror in time when the extension sleeve at the outermost side is positioned at any position;
3. the winding shaft and the ratchet mechanism are arranged, redundant data wires can be wound on the winding shaft, pulling between the data wires is avoided, the ratchet mechanism can prevent the winding shaft from rotating reversely, pulling between the data wires is further reduced, the condition that the data wires are broken is reduced, and the service life of the data wires is prolonged;
4. according to the thermometer body, when the thermometer body measures high-temperature liquid, the detection handle can be prolonged, so that an operator is far away from the liquid to be measured, the condition that the operator is scalded is reduced, and the use safety is improved. And because operating personnel is far away from the liquid that awaits measuring, be not convenient for observe whether temperature probe inserts liquid, then whether can in time know the probe through probe determine module and insert in the liquid that awaits measuring. Need extension data line when handle is surveyed in the extension, longer data line is accomodate through the winding axle, avoids dragging between the data line, reduces the data line and is pulled apart the condition, improves the life of thermometer body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the handle extension assembly and guide assembly intended to be shown;
FIG. 3 is a sectional view intended to show the connection relationship of the probe handle and the extension sleeve;
FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;
FIG. 5 is a schematic diagram of a partial structure intended to show a probe inspection assembly;
FIG. 6 is a schematic view intended to show the structure of a winding shaft;
FIG. 7 is an enlarged partial schematic view at B of FIG. 6;
fig. 8 is a partial structural schematic view intended to show the retaining clip.
Reference numerals: 1. a thermometer body; 11. a data line; 12. a temperature probe; 13. detecting a handle; 131. a containing groove; 132. a connecting plate; 2. a handle extension assembly; 21. a lengthening sleeve; 211. a fixing clip; 22. a clamping assembly; 221. a clamping block; 222. a card slot; 223. a drive spring; 3. a probe detection assembly; 31. a laser transmitter; 32. an observation mirror; 33. a mirror; 4. a winding shaft; 5. a ratchet mechanism; 51. a ratchet wheel; 52. a pawl; 521. a contact spring; 522. locking the bolt; 6. a guide assembly; 61. a guide block; 62. a guide groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A high-precision industrial digital display thermometer combines a graph 1 and a graph 2 and comprises a thermometer body 1, a data line 11 is connected to the thermometer body 1, a temperature probe 12 is connected to the data line 11, and a detection handle 13 is arranged at one end, close to the data line 11, of the temperature probe 12. The detection handle 13 is provided with a handle extension assembly 2.
When measuring high temperature liquid, survey handle 13 through the extension of handle extension subassembly 2, make operating personnel far away from the liquid that awaits measuring, then insert temperature probe 12 in the liquid that awaits measuring, through data line 11 with data input thermometer body 1, accomplish the measurement to high temperature liquid.
As shown in FIG. 1, the detecting handle 13 is a cylindrical structure, and one end of the data line 11 far away from the thermometer body 1 passes through the detecting handle 13 to be connected with the temperature probe 12.
With reference to fig. 1 and 2, the handle extension assembly 2 includes three extension sleeves 21 and three clamping assemblies 22, the extension sleeves 21 are cylindrical and have sequentially increased diameters, and the three extension sleeves 21 are sequentially sleeved on the outer peripheral surface of the detection handle 13. The detecting handle 13 is slidably connected with the extension sleeve 21 and is connected through a clamping assembly 22. Be equipped with guide assembly 6 between extension cover 21 and the detection handle 13, guide assembly 6 includes guide block 61 and guide way 62, and guide block 61 and extension cover 21's inner wall fixed connection, guide way 62 set up in the periphery face of detecting handle 13, and guide block 61 is located guide way 62 and guide way 62 sliding connection. The same guide assembly 6 as described above is provided between adjacent extension sleeves 21.
Referring to fig. 2 and 4, two accommodating grooves 131 are formed in the side wall of the end of the detecting handle 13 away from the temperature probe 12, and the two accommodating grooves 131 are symmetrically arranged with respect to the axis of the detecting handle 13. The clamping assembly 22 includes two clamping blocks 221, two clamping grooves 222 and a driving spring 223, wherein the two clamping blocks 221 are respectively located in the two accommodating grooves 131 and are slidably connected with the accommodating grooves 131. The two driving springs 223 are respectively disposed in the two accommodating grooves 131, and the extending direction is perpendicular to the length direction of the detecting handle 13. One end of the driving spring 223 is fixedly connected to the latch 221, and the other end is fixedly connected to the inner wall of the receiving groove 131. The end of the latch 221 away from the driving spring 223 is a semi-spherical structure. Two sets of slots 222 are provided, each located at either end of the length of the extension sleeve 21. Two of the engaging grooves 222 are provided in each set, and the two engaging grooves 222 are symmetrically provided about the axis of the extension sleeve 21. Drive spring 223 drives cartridge 221 into slot 222. The detecting handle 13 is fixedly connected with the extension sleeve 21. Adjacent extension sleeves 21 are connected by the same snap-fit assembly 22 as described above.
When the detection handle 13 needs to be extended, the fixture block 221 is pressed by a hand, the driving spring 223 is compressed, after the fixture block 221 is separated from the clamping groove 222, the outermost extension sleeve 21 slides to move in the direction away from the temperature probe 12, and when the clamping groove 222 on the extension sleeve 21, which is close to the temperature probe 12, slides to the position of the fixture block 221, the driving spring 223 drives the fixture block 221 to be clamped into the clamping groove 222, so that the extension sleeve 21 is fixedly connected with the detection handle 13, and one extension of the detection handle 13 is completed. Similarly, the extension sleeve 21 of the inner layer is sequentially extended.
As shown in fig. 5, the probe detection assembly 3 for observing whether the temperature probe 12 is inserted into the liquid is provided on the probe handle 13, and the probe detection assembly 3 includes a laser emitter 31, an observation mirror 32 and a reflection mirror 33. The reflector 33 is rectangular, and one end of the reflector 33 in the length direction and the temperature probe 12 are far away from the detection handle 13One end is fixedly connected. The included angle between the reflector 33 and the temperature probe 12 is 60 degreesoThe mirror surface of the mirror 33 faces the detection knob 13. The laser transmitter 31 is located right below the reflector 33 and is fixedly connected with one end of the detection handle 13 close to the temperature probe 12. The included angle between the emitted laser of the laser emitter 31 and the temperature probe 12 is 60oThe incident angle between the laser emitted from the laser emitter 31 and the reflecting mirror 33 is 60%o. The direction of the reflected laser light after the laser light meets the reflecting mirror 33 and is the same as the length direction of the extension sleeve 21.
As shown in fig. 5, the observation mirror 32 is fixedly connected to the outermost extension sleeve 21, the longitudinal direction of the observation mirror 32 is perpendicular to the longitudinal direction of the extension sleeve 21, the mirror surface of the observation mirror 32 faces the reflecting mirror 33, and the laser light reflected by the reflecting mirror 33 is received.
When the temperature probe 12 and the reflecting mirror 33 are both inserted into the liquid, the laser emitted from the laser emitter 31 is refracted when encountering the liquid, and cannot be reflected by the reflecting mirror 33, so that the laser cannot be reflected onto the observation mirror 32, and the reflected laser cannot be observed on the observation mirror 32, which indicates that the temperature probe 12 is inserted into the liquid. The operator can timely master whether the temperature probe 12 is inserted into the liquid to be measured, so as to obtain the accurate temperature of the liquid to be measured.
As shown in fig. 6, the winding shaft 4 is provided at the end of the detecting handle 13 away from the temperature probe 12, and the axial direction of the winding shaft 4 is perpendicular to the axial direction of the detecting handle 13. Both ends of the winding shaft 4 are rotatably connected with the detecting handle 13. The data wire 11 is wound around the winding shaft 4. The winding shaft 4 is connected with a ratchet mechanism 5 which enables the winding shaft 4 to rotate in one direction.
With reference to fig. 6 and 7, the ratchet mechanism 5 includes a ratchet 51 and a pawl 52, the ratchet 51 is coaxial with the winding shaft 4, the ratchet 51 is fixedly connected with one end of the winding shaft 4, one end of the pawl 52 is rotatably connected with the detecting handle 13, and the other end of the pawl is abutted against the teeth of the ratchet 51. A contact spring 521 is connected between the bottom surface of the pawl 52 and the detection handle 13, one end of the contact spring 521 is fixedly connected with the pawl 52, the other end of the contact spring 521 is fixedly connected with a connecting plate 132, and the connecting plate 132 is fixedly connected with the detection handle 13. A locking bolt 522 is vertically connected to the pawl 52, and the locking bolt 522 penetrates through the pawl 52 and then is in threaded connection with the connecting plate 132. When the ratchet 51 needs to be rotated, the locking bolt 522 is released from the connection plate 132.
As shown in fig. 8, a fixing clip 211 for clamping the data line 11 is fixedly connected to the outermost extension sleeve 21, and the fixing clip 211 is located at an end of the extension sleeve 21 away from the temperature probe 12.
After the measurement is completed, in order to prevent the data lines 11 from being entangled with each other, it is necessary to wind the data lines 11 in excess around the winding shaft 4. At this time, the pawl 52 is lifted by hand, the blocking of the ratchet wheel 51 by the pawl 52 is released, the winding shaft 4 is rotated reversely, and the redundant data wire 11 is wound on the winding shaft 4; then, the pawl 52 is fixedly connected to the detection knob 13 by the lock bolt 522, so that the winding shaft 4 cannot be rotated, and the data cable 11 is prevented from falling off the winding shaft 4.
The using process of the invention is as follows:
when measuring the temperature of the high-temperature liquid, first, the data line 11 is clamped by the fixing clamp 211, and the fixing of the pawl 52 by the locking bolt 522 is released; then, after the fixture block 221 is pressed to separate the fixture block 221 from the fixture groove 222, the extension sleeve 21 is moved in a direction away from the temperature probe 12, and at this time, the winding shaft 4 rotates, and the data line 11 is also extended; when the clamping groove 222 on the extension sleeve 21 near one end of the temperature probe 12 is located at the position of the clamping block 221, the driving spring 223 drives the clamping block 221 to be clamped in the clamping groove 222, so that the extension of the outermost extension sleeve 21 is completed, and the extension sleeves 21 on the inner sides are sequentially extended in the above manner. Then, the extension sleeve 21 is held by hand, the temperature probe 12 is inserted into the liquid to be measured, and when the reflected laser cannot be seen in the observation mirror 32, it indicates that the temperature probe 12 has been inserted into the liquid to be measured, and the temperature measured by the thermometer body 1 is the temperature of the liquid to be measured. In the test process, operating personnel is far away from high temperature liquid, can reduce the condition that high temperature liquid scalds operating personnel, has greatly improved thermometer body 1's safety in utilization.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a high accuracy industrial digital display thermometer, includes thermometer body (1), is provided with data line (11) on thermometer body (1), and data line (11) are connected with temperature probe (12), are equipped with on temperature probe (12) and survey handle (13), its characterized in that: a handle extension component (2) is arranged on the detection handle (13), the handle extension component (2) comprises an extension sleeve (21) and a clamping component (22), the extension sleeve (21) is sleeved on the detection handle (13) and is in sliding connection with the detection handle (13), the clamping component (22) is positioned between the detection handle (13) and the extension sleeve (21) to fix the extension sleeve (21), and a probe detection component (3) for observing whether the temperature probe (12) is inserted into liquid is arranged on the detection handle (13);
the probe detection assembly (3) comprises a laser transmitter (31), an observation mirror (32) and a reflecting mirror (33) for reflecting laser to the observation mirror (32), the reflecting mirror (33) is fixedly connected with the end part of the temperature probe (12), the laser transmitter (31) is fixedly connected with a detection handle (13) and transmits laser to the reflecting mirror (33), and the observation mirror (32) is fixedly connected with the outer wall of the extension sleeve (21) to receive the laser reflected by the reflecting mirror (33);
the included angle between the reflector (33) and the temperature probe (12) is 60oThe included angle between the incident laser of the laser transmitter (31) and the reflector (33) is 60o。
2. A high precision industrial digital display thermometer according to claim 1, wherein: the extension sleeve (21) is provided with a plurality of extension sleeves, the extension sleeves are sequentially sleeved on the periphery of the detection handle (13), and the adjacent extension sleeves (21) are connected through a clamping component (22).
3. A high precision industrial digital display thermometer according to claim 1, wherein: clamping subassembly (22) includes fixture block (221), draw-in groove (222) and driving spring (223), fixture block (221) inlay card is on surveying the outer peripheral face of handle (13), driving spring's (223) flexible direction is perpendicular with surveying handle (13) length direction, driving spring's (223) both ends respectively with survey handle (13) and fixture block (221) fixed connection, draw-in groove (222) are equipped with two at least, be located the both ends of extension cover (21) respectively, one end card income draw-in groove (222) that driving spring (223) were kept away from in fixture block (221).
4. A high precision industrial digital display thermometer according to claim 3, wherein: one end of the clamping block (221) far away from the driving spring (223) is of a hemispherical structure.
5. A high precision industrial digital display thermometer according to claim 1, wherein: one end of the detection handle (13) far away from the temperature probe (12) is provided with a winding shaft (4) for winding the data wire (11), the winding shaft (4) is rotatably connected with the detection handle (13), and a ratchet mechanism (5) for enabling the winding shaft (4) to rotate in one direction is connected between the winding shaft (4) and the detection handle (13).
6. A high precision industrial digital display thermometer according to claim 5, wherein: ratchet mechanism (5) are including ratchet (51) and pawl (52), and ratchet (51) and winding axle (4) are coaxial and fixed connection, and pawl (52) and ratchet (51) cooperation, and pawl (52) keep away from the one end of ratchet (51) and articulate with surveying handle (13), are connected with between pawl (52) and ratchet (51) and make pawl (52) and ratchet (51) contact spring (521) all the time.
7. A high precision industrial digital display thermometer according to claim 6, wherein: a locking bolt (522) for locking the winding shaft (4) to rotate is arranged between the pawl (52) and the detection handle (13), and the locking bolt (522) penetrates through the pawl (52) and then is in threaded connection with the detection handle (13).
8. A high precision industrial digital display thermometer according to claim 1, wherein: one end of the extension sleeve (21) at the outermost side, which is far away from the temperature probe (12), is fixedly connected with a fixing clamp (211) used for clamping the data line (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910938207.6A CN110672219B (en) | 2019-09-30 | 2019-09-30 | High-precision industrial digital display thermometer |
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| CN201910938207.6A CN110672219B (en) | 2019-09-30 | 2019-09-30 | High-precision industrial digital display thermometer |
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| CN110672219A CN110672219A (en) | 2020-01-10 |
| CN110672219B true CN110672219B (en) | 2021-01-08 |
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| CN205426352U (en) * | 2016-03-08 | 2016-08-03 | 昆山优利德能源技术有限公司 | Thermocouple protective sleeve pipe |
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| JP3091619B2 (en) * | 1993-12-27 | 2000-09-25 | 富士写真フイルム株式会社 | Operation control method for biochemical analyzer |
| JPH0943206A (en) * | 1995-07-27 | 1997-02-14 | Ishikawajima Harima Heavy Ind Co Ltd | Ultrasonic flaw detection device for welded portion of pipe |
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