CN113820028A - Temperature measuring device and temperature measuring method based on optical fiber self-networking technology - Google Patents
Temperature measuring device and temperature measuring method based on optical fiber self-networking technology Download PDFInfo
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- CN113820028A CN113820028A CN202111239223.XA CN202111239223A CN113820028A CN 113820028 A CN113820028 A CN 113820028A CN 202111239223 A CN202111239223 A CN 202111239223A CN 113820028 A CN113820028 A CN 113820028A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
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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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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Abstract
The invention discloses a temperature measuring device and a temperature measuring method based on an optical fiber self-networking technology, belonging to the technical field of optical fiber temperature measurement and solving the problems that a testing mechanism which is tightly attached to an optical fiber testing part is not arranged in the testing device, too loose attachment can cause larger deviation of testing data and poorer accuracy, so that high-precision measuring data cannot be obtained, and the difference of the running state determination of an optical fiber is larger through data in the later period, when a clamping mechanism is operated, a clamping ring is attached to a testing part in advance, a collision inclined surface pad moves towards a notch to drive a built-in collision part to deform, and the built-in collision part is reset after being deformed, so that the collision inclined surface pad is attached to the notch, the clamping pad is fixed, the clamping pad is connected with the testing part, the clamping effect is achieved, and external personnel can conveniently clamp and fix the optical fiber, meanwhile, the micro needle is inserted into the optical fiber, so that the measured data is more accurate and the precision is higher.
Description
Technical Field
The invention belongs to the technical field of optical fiber temperature measurement, and particularly relates to a temperature measuring device and a temperature measuring method based on an optical fiber self-networking technology.
Background
The optical fiber is a shorthand of an optical fiber, is a fiber made of glass or plastic, can be used as a light conduction tool, needs a large amount of optical fibers to transmit data inside an optical fiber self-building network, and therefore achieves the effect of rapid data transmission, and needs an external temperature measuring device to measure the temperature during the use of the optical fiber.
The existing temperature measuring device is not provided with a testing mechanism tightly attached to an optical fiber testing part in the using process, so that the test data deviation is large due to loose attachment, the accuracy is poor, high-precision measurement data cannot be obtained, and the difference is large in the later stage of the determination of the running state of the optical fiber through the data.
Disclosure of Invention
In order to solve the problems existing in the scheme, the invention provides a temperature measuring device and a temperature measuring method based on an optical fiber self-networking technology.
The purpose of the invention can be realized by the following technical scheme: the temperature measuring device based on the optical fiber self-networking technology comprises a device body, wherein a display screen is arranged on the front end face of the device body, a crack filling agent is arranged in the middle of the side faces of two ends of the device body, and winding columns are arranged on the side faces of two ends of the device body, which are positioned on one side of the crack filling agent;
connecting wires are arranged on two sides of the rear end of the device body, a thermal resistor is connected at one end of each connecting wire, a clamping ring is arranged at one end of each thermal resistor, and a clamping mechanism is arranged in each clamping ring and used for clamping the thermal resistor and the test part; the internal portion of ware is provided with the clearance mechanism that carries out the clearance to the display screen surface.
Preferably, clamping mechanism includes pressing the depression bar and presss from both sides tight the pad, the inside middle department of thermal resistance is provided with the micro needle, and the micro needle runs through in the inside middle department of pressing from both sides tight circle, press the depression bar to set up respectively and run through simultaneously in pressing from both sides tight circle surface both sides, press from both sides tight the pad and set up in pressing depression bar one side, press the inside swing joint of depression bar to have conflict inclined plane to fill up, and set up the notch that supplies conflict inclined plane to fill up the activity according to the depression bar inside, conflict inclined plane fills up and the notch between fixedly connected with embeds the contact piece.
Preferably, the cleaning mechanism comprises a deformation push rod and a wiping pad, both sides of the upper end of the device body are provided with limiting sliding grooves, limiting sliding blocks are connected inside the limiting sliding grooves in a sliding manner, a built-in shift lever is fixedly connected between the two corresponding limiting sliding blocks, and the deformation push rod is positioned in the middle of the side surface of the limiting sliding block;
the terminal surface is located the display screen both sides and has all seted up the avris spacing groove before the ware body, deformation push rod one end is located the avris spacing inslot portion, clean pad fixed connection between two deformation push rods, the junction is provided with the connecting piece, the terminal surface is located the display screen before the ware body and has seted up the notch, and the notch is inside to be provided with built-in center pin, built-in center pin annular surface parcel has the condition of sending out, send out condition annular surface parcel and have the cloth of dragging, and drag cloth and clean fixed connection between the pad.
Preferably, the notch that supplies the connecting piece activity is all seted up to the preceding terminal surface both sides of ware body, send out the condition to be clockwork spring, clean pad and the outer terminal surface of display screen closely laminating, and clean the side that the pad is close to the display screen and be provided with and clean the cotton.
Preferably, the deformation push rod can take place bending deformation, and the avris spacing groove with inject and be provided with the arc spread groove between the spout.
Preferably, conflict inclined plane pad and the laminating of pressing the notch upper portion that the depression bar was seted up of tight circle, and conflict inclined plane pad border department all sets up to the inclined plane all around, press from both sides tight pad inner wall and seted up anti-skidding line.
Preferably, the winding post is in rotatable state, and the inside clockwork spring that is provided with of winding post, a plurality of cambered surface recess has been seted up to the annular surface of winding post, and the connecting wire passes through cambered surface recess and twines in the annular surface of winding post.
Preferably, the temperature measuring method of the temperature measuring device based on the optical fiber self-networking technology comprises the following steps:
firstly, directly pinching the clamping ring by an external person to drive the winding column to rotate, so that the clamping ring is close to the corresponding test part, and the micro needle is inserted into the test part;
directly pressing the pressing rod to drive the contact inclined plane pad to move towards the notch, and driving the built-in contact part to deform in the moving process so as to contact the contact inclined plane pad, so that the pressing rod is attached and fixed with the clamping ring, and the clamping pad is clamped with the test part;
step three, after the clamping rings on the two sides are connected in sequence, an external person directly opens a device switch of the device body, and the temperature of the testing part is tested and recorded;
and step four, after the test is finished, filling the part punctured by the micro needle by external personnel by using a gap filling agent to finish the test work.
Compared with the prior art, the invention has the beneficial effects that: when an external person operates the clamping mechanism, the clamping ring is attached to the testing part in advance, after the attachment is completed, the pressing rod is directly pressed, the conflict inclined plane pad moves towards the inside of the notch to drive the built-in conflict part to deform, and the built-in conflict part resets after being deformed, so that the conflict inclined plane pad is attached to the notch, the clamping pad is fixed, the clamping pad is connected with the testing part, the clamping effect is achieved, the external person can conveniently clamp and fix the optical fiber, and meanwhile, the optical fiber is pricked into the optical fiber through the micro needle, so that the measured data are more accurate, and the precision is higher;
outside personnel are direct to stirring built-in driving lever, it removes to drive injects the slider, just, drive deformation push rod and remove to avris spacing inslot portion, the joint action through the connecting piece, it cleans to drive the pad terminal surface before the display screen, it takes out to drive to drag cloth at interior center pin surface, in the process of pulling, clockwork spring spare produces elasticity to dragging cloth, the messenger drags cloth to be in the state of straining, it is cleaning the in-process to clean the pad, stir once more through stirring built-in driving lever, the messenger that can be quick cleans the pad and gets back to initial position, thereby reach better cleaning effect, can make the display screen clean and tidy, reach better result of use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is an enlarged view of the internal structure of the area A in FIG. 1 according to the present invention;
FIG. 3 is a plan view of the internal structure of the clamping ring of the present invention;
FIG. 4 is a plan view of the side structure of the body of the present invention;
fig. 5 is a front plan view of the present invention.
Reference numerals: 1. a body; 2. a display screen; 3. a crack-repairing agent; 4. winding the column; 5. a connecting wire; 51. a thermal resistor; 52. a clamping ring; 53. a microneedle; 54. a pressing lever; 541. against the inclined plane pad; 542. a contact component is arranged inside; 55. a clamping pad; 6. a limiting chute; 7. a limiting slide block; 8. a driving lever is arranged inside; 9. a deformable push rod; 10. a wiping pad; 11. a side limiting groove; 12. a central shaft is arranged inside; 13. conditioning; 14. pulling the cloth; 15. a connecting member.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a temperature measuring device based on an optical fiber self-networking technology comprises a device body 1, wherein a display screen 2 is arranged on the front end face of the device body 1, a crack-filling agent 3 is arranged in the middle of the side faces of two ends of the device body 1, and winding columns 4 are arranged on the side faces of two ends of the device body 1, which are positioned on one side of the crack-filling agent 3;
connecting wires 5 are arranged on two sides of the rear end of the device body 1, one end of each connecting wire 5 is connected with a thermal resistor 51, a clamping ring 52 is arranged at one end of each thermal resistor 51, and a clamping mechanism is arranged in each clamping ring 52 and used for clamping the thermal resistor 51 and a test part; the inside clearance mechanism that carries out the clearance to 2 surfaces of display screen that is provided with of the ware body 1.
As shown in fig. 2 to 3, the clamping mechanism includes a pressing rod 54 and a clamping pad 55, the micro needle 53 is disposed in the middle of the inside of the thermal resistor 51, the micro needle 53 penetrates through the middle of the inside of the clamping ring 52, the pressing rod 54 is disposed on both sides of the outer surface of the clamping ring 52 and penetrates through the clamping ring 52, the clamping pad 55 is disposed on one side of the pressing rod 54, the pressing rod 54 is movably connected with an abutting bevel pad 541, a notch for the abutting bevel pad 541 to move is formed in the pressing rod 54, a notch for the abutting bevel pad 541 to be inserted into is formed in the notch, both the abutting bevel pad 541 and the corner of the notch are set as slopes, the function of the slopes is to separate the abutting bevel pad 541 from the slope notch when an external person directly pulls the pressing rod 54, and at the same time, the abutting bevel pad 541 can be inserted into the slope notch with good elastic effect to achieve a fixing effect, a built-in contact component 542 is fixedly connected between the contact inclined plane pad 541 and the notch;
when the outsider operates clamping mechanism, laminate clamping ring 52 and test section in advance, accomplish the laminating back, make micro needle 53 prick into to test section's optic fibre in, prick into the back that finishes, directly press down according to depression bar 54, press down the in-process according to depression bar 54, conflict inclined plane pad 541 removes to the notch in, it takes place deformation to drive built-in conflict piece 542, reset after built-in conflict piece 542 takes place deformation, conflict inclined plane pad 541 to the conflict, thereby make conflict inclined plane pad 541 laminate with the inclined plane notch, make and press from both sides tight pad 55 and reach the fixed action, thereby make and press from both sides tight pad 55 and test section and be connected, reach and press from both sides tight effect, the outsider of being convenient for presss from both sides tight fixed work.
As shown in fig. 4 to 5, the cleaning mechanism includes a deformation push rod 9 and a wiping pad 10, both sides of the upper end of the device body 1 are provided with limiting sliding grooves 6, the limiting sliding grooves 6 are connected with limiting sliding blocks 7 in a sliding manner, a built-in shift lever 8 is fixedly connected between two corresponding limiting sliding blocks 7, and the deformation push rod 9 is located in the middle of the side surface of the limiting sliding block 7;
the front end face of the device body 1 is positioned on two sides of the display screen 2 and is provided with side limiting grooves 11, one end of each deformation push rod 9 is positioned in each side limiting groove 11, the wiping pad 10 is fixedly connected between the two deformation push rods 9, a connecting part 15 is arranged at the connecting part, the front end face of the device body 1 is positioned on the display screen 2 and is provided with a notch, a built-in central shaft 12 is arranged in each notch, the annular outer surface of the built-in central shaft 12 is wrapped with a hair-cutting element 13, the annular outer surface of the hair-cutting element 13 is wrapped with a pulling cloth 14, and the pulling cloth 14 is fixedly connected with the wiping pad 10;
an external person directly stirs the built-in driving lever 8, the built-in driving lever 8 drives the limiting slider 7 to move in the process of stirring, the limiting slider 7 drives the deformation push rod 9 to move towards the inside of the side limiting groove 11 in the process of moving, the deformation push rod 9 drives the wiping pad 10 to move on the front end face of the display screen 2 through the connection effect of the connecting piece 15 in the process of moving, the front end face of the display screen 2 is wiped, the wiping pad 10 drives the pull cloth 14 to be drawn out from the outer surface of the inner center shaft 12 in the process of moving, the driving condition 13 deforms in the process of pulling, the clockwork piece 13 generates elasticity on the pull cloth 14, the pull cloth 14 is in a tight state, the wiping pad 10 rapidly enables the wiping pad 10 to return to the initial position through stirring the built-in driving lever 8 again in the process of wiping, and accordingly a good wiping effect is achieved, the display screen 2 can be clean and tidy, and a better using effect is achieved.
Notches for moving the connecting piece 15 are formed in two sides of the front end face of the device body 1, the hair-cutting device 13 is a clockwork spring, the wiping pad 10 is tightly attached to the outer end face of the display screen 2, and wiping cotton is arranged on the side face, close to the display screen 2, of the wiping pad 10;
the cleaning cotton is arranged, the cleaning pad 10 can fully clean dirt on the outer surface of the display screen 2 in the moving process, and therefore a good cleaning effect is achieved.
The deformation push rod 9 can be bent and deformed, and an arc-shaped connecting groove is formed between the side limiting groove 11 and the limiting sliding groove 6;
the deformation push rod 9 can move to the side limiting groove 11 from the inside of the limiting chute 6 only when being bent and deformed, and drives the wiping pad 10 to move.
The upper parts of the notches formed by the pressing rod 54 of the contact inclined surface pad 541 and the clamping ring 52 are attached, the peripheral edges of the contact inclined surface pad 541 are all provided with inclined surfaces, and the inner wall of the clamping pad 55 is provided with anti-skid grains;
the contact slant pad 541 is attached to the upper portion of the notch, so that the clamping ring 52 can achieve a better clamping and fixing effect, and the clamping pad 55 can achieve a better anti-skidding effect through the anti-skidding lines on the inner wall of the clamping pad 55.
The winding column 4 is in a rotatable state, a clockwork spring is arranged in the winding column 4, a plurality of cambered grooves are formed in the annular outer surface of the winding column 4, and the connecting wire 5 is wound on the annular outer surface of the winding column 4 through the cambered grooves;
when dragging connecting wire 5, drive winding post 4 and rotate, winding post 4 just drives clockwork spring and takes place deformation, and clockwork spring takes place deformation and resets, produces elasticity to winding post 4, makes winding post 4 produce one to the power of drawing back tightly, can play an effect of accomodating by oneself to connecting wire 5, need not outside personnel and winds again.
A temperature measuring method of a temperature measuring device based on an optical fiber self-networking technology comprises the following steps:
firstly, an external person directly holds the clamping ring 52 to drive the winding column 4 to rotate, so that the clamping ring 52 is close to the corresponding test part, and the micro needle 53 is inserted into the test part;
step two, the pressing rod 54 is directly pressed to drive the contact inclined plane pad 541 to move towards the notch, and in the moving process, the built-in contact component 542 is driven to deform so as to contact the contact inclined plane pad 541, so that the pressing rod 54 is attached and fixed to the clamping ring 52, and the clamping pad 55 is clamped with the test part;
step three, after the clamping rings 52 on the two sides are connected in sequence, an external person directly opens a device switch of the device body 1 to test and record the temperature of a test part;
and step four, after the test is finished, filling the part of the micro needle 53 which is inserted by external personnel by using the gap filling agent 3 to finish the test work.
The working principle of the invention is as follows: when an external person operates the clamping mechanism, the clamping ring 52 is attached to the testing part in advance, after the attachment is completed, the micro needle 53 is inserted into the optical fiber of the testing part, after the insertion is completed, the pressing rod 54 is directly pressed, the pressing rod 54 pushes the contact inclined plane pad 541 to move towards the notch in the pressing process, the built-in contact component 542 is driven to deform, the built-in contact component 542 is reset after being deformed, the contact inclined plane pad 541 is abutted, so that the contact inclined plane pad 541 is attached to the notch, the clamping pad 55 is fixed, the clamping pad 55 is connected with the testing part, the clamping effect is achieved, and the external person can conveniently clamp and fix the optical fiber;
an external person directly stirs the built-in driving lever 8, the built-in driving lever 8 drives the limiting slider 7 to move in the process of stirring, the limiting slider 7 drives the deformation push rod 9 to move towards the inside of the side limiting groove 11 in the process of moving, the deformation push rod 9 drives the wiping pad 10 to move on the front end face of the display screen 2 through the connection effect of the connecting piece 15 in the process of moving, the front end face of the display screen 2 is wiped, the wiping pad 10 drives the pull cloth 14 to be drawn out from the outer surface of the inner center shaft 12 in the process of moving, the driving condition 13 deforms in the process of pulling, the clockwork piece 13 generates elasticity on the pull cloth 14, the pull cloth 14 is in a tight state, the wiping pad 10 rapidly enables the wiping pad 10 to return to the initial position through stirring the built-in driving lever 8 again in the process of wiping, and accordingly a good wiping effect is achieved, the display screen 2 can be clean and tidy, and a better using effect is achieved.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
Finally, it should be noted that the above examples are only intended to illustrate the technical process of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical process of the present invention without departing from the spirit and scope of the technical process of the present invention.
Claims (8)
1. A temperature measuring device based on an optical fiber self-networking technology comprises a device body (1), wherein a display screen (2) is arranged on the front end face of the device body (1), and the temperature measuring device is characterized in that a crack-repairing agent (3) is arranged in the middle of the side faces of two ends of the device body (1), and winding columns (4) are arranged on the side faces of two ends of the device body (1) on one side of the crack-repairing agent (3);
connecting wires (5) are arranged on two sides of the rear end of the device body (1), a thermal resistor (51) is connected to one end of each connecting wire (5), a clamping ring (52) is arranged at one end of each thermal resistor (51), and a clamping mechanism is arranged inside each clamping ring (52) and used for clamping the thermal resistor (51) and a test part; the cleaning mechanism for cleaning the outer surface of the display screen (2) is arranged in the device body (1).
2. The temperature measuring device based on the optical fiber self-networking technology according to claim 1, wherein the clamping mechanism comprises a pressing rod (54) and a clamping pad (55), the micro needles (53) are arranged in the middle of the inside of the thermal resistor (51), the micro needles (53) penetrate through the middle of the inside of the clamping ring (52), the pressing rod (54) is respectively arranged on two sides of the outer surface of the clamping ring (52), the pressing rod (54) penetrates through the clamping ring (52) at the same time, the clamping pad (55) is arranged at one end of the pressing rod (54), the pressing rod (54) is movably connected with the contact oblique pad (541) inside, a slot for the contact oblique pad (541) to move is formed inside the pressing rod (54), and a built-in contact component (542) is fixedly connected between the contact oblique pad (541) and the slot.
3. The temperature measuring device based on the optical fiber self-networking technology is characterized in that the cleaning mechanism comprises a deformation push rod (9) and a wiping pad (10), both sides of the upper end of the device body (1) are provided with limiting sliding grooves (6), limiting sliding blocks (7) are connected inside the limiting sliding grooves (6) in a sliding manner, a built-in shift lever (8) is fixedly connected between the two corresponding limiting sliding blocks (7), and the deformation push rod (9) is located in the middle of the side surface of the limiting sliding blocks (7);
the utility model discloses a display screen, including the ware body, the terminal surface is located display screen (2) both sides before ware body (1) and has all seted up avris spacing groove (11), deformation push rod (9) one end is located inside avris spacing groove (11), clean pad (10) fixed connection between two deformation push rods (9), deformation push rod (9) and clean and be provided with connecting piece (15) between pad (10), the notch has been seted up on the terminal surface is located display screen (2) before the ware body (1), and the notch is inside to be provided with built-in center pin (12), built-in center pin (12) annular surface parcel has sends out condition (13), send out condition (13) annular surface parcel and have pull cloth (14), and pull cloth (14) and clean fixed connection between pad (10).
4. The temperature measuring device based on the optical fiber self-networking technology according to claim 3, wherein notches for moving the connecting pieces (15) are formed in both sides of the front end face of the device body (1), the heating element (13) is a clockwork spring, the wiping pad (10) is tightly attached to the outer end face of the display screen (2), and wiping cotton is arranged on the side face, close to the display screen (2), of the wiping pad (10).
5. The temperature measuring device based on the optical fiber self-networking technology as claimed in claim 3, wherein the deformation push rod (9) can be subjected to bending deformation, and an arc-shaped connecting groove is arranged between the side limiting groove (11) and the limiting sliding groove (6).
6. The temperature measuring device based on the optical fiber self-networking technology according to claim 2, wherein the contact slope pad (541) is attached to the upper portion of the notch of the clamping ring (52) formed by the pressing rod (54), the peripheral edges of the contact slope pad (541) are all set to be slopes, and the inner wall of the clamping ring (55) is provided with anti-slip patterns.
7. The temperature measuring device based on the optical fiber self-networking technology according to claim 1, wherein the winding post (4) is in a rotatable state, a clockwork spring is arranged inside the winding post (4), a plurality of arc grooves are formed in the annular outer surface of the winding post (4), and the connecting wire (5) is wound on the annular outer surface of the winding post (4) through the arc grooves.
8. The temperature measurement method of the temperature measurement device based on the optical fiber self-networking technology according to any one of claims 1 to 7, characterized by comprising the following steps:
firstly, directly holding and pinching the clamping ring (52) by an external person to drive the winding column (4) to rotate, enabling the clamping ring (52) to be close to a corresponding test part, and enabling the micro needle (53) to be inserted into the test part;
directly pressing the pressing rod (54) to drive the contact inclined plane pad (541) to move towards the notch, and driving the built-in contact part (542) to deform in the moving process so as to contact the contact inclined plane pad (541), so that the pressing rod (54) is attached and fixed to the clamping ring (52), and the clamping pad (55) is clamped with the test part;
step three, after the clamping rings (52) on the two sides are sequentially connected by an external person, directly opening a device switch of the device body (1), and testing and recording the temperature of a testing part;
and step four, after the test is finished, filling the part of the micro needle (53) which is inserted by external personnel by using the gap filling agent (3) to finish the test work.
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| CN202111239223.XA CN113820028B (en) | 2021-10-25 | 2021-10-25 | Temperature measuring device and temperature measuring method based on optical fiber self-networking technology |
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| CN202111239223.XA CN113820028B (en) | 2021-10-25 | 2021-10-25 | Temperature measuring device and temperature measuring method based on optical fiber self-networking technology |
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| CN212779661U (en) * | 2020-10-10 | 2021-03-23 | 唐山川森科技有限公司 | Temperature detection alarm device convenient to install inside high-voltage board |
| CN213238965U (en) * | 2020-10-19 | 2021-05-18 | 浙江智链物联科技有限公司 | Integrated intelligent sensor |
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