CN215677291U - Handheld infrared thermometer with high measurement sensitivity - Google Patents
Handheld infrared thermometer with high measurement sensitivity Download PDFInfo
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- CN215677291U CN215677291U CN202122107184.XU CN202122107184U CN215677291U CN 215677291 U CN215677291 U CN 215677291U CN 202122107184 U CN202122107184 U CN 202122107184U CN 215677291 U CN215677291 U CN 215677291U
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- measurement sensitivity
- support frame
- high measurement
- infrared thermometer
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- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 230000035945 sensitivity Effects 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 210000000707 wrist Anatomy 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of infrared thermometers, and discloses a handheld infrared thermometer with high measurement sensitivity, which comprises a handheld part and an infrared detection part arranged at one end of the handheld part, wherein the inner side of a supporting frame is also provided with two temperature sensors, the two temperature sensors are symmetrically arranged at the inner side of the supporting frame and are both electrically connected with a main controller, and one side of the main controller is also electrically provided with a temperature compensator. The influence of the outside is small, and the measurement sensitivity is higher.
Description
Technical Field
The utility model relates to the technical field of infrared thermometers, in particular to a handheld infrared thermometer with high measurement sensitivity.
Background
The infrared thermometer consists of an optical system, a photoelectric detector, a signal amplifier, a signal processing part, a display output part and the like. The optical system converges the infrared radiant energy of the target in the field of view, and the size of the field of view is determined by the optical parts of the thermometer and the position of the optical parts. The infrared energy is focused on the photodetector and converted into a corresponding electrical signal. The signal is converted into the temperature value of the target to be measured after passing through an amplifier and a signal processing circuit and being corrected according to an algorithm in the instrument and the target emissivity.
However, most of the existing handheld infrared thermometers face the wrists of testers when detecting, and because users detect different distances among wrists of everybody and are affected by air temperature, the detection sensitivity of the infrared thermometers is low, careless mistakes are easy to occur, and because the detection temperature of the infrared thermometers has a temperature difference, the detection data is not accurate enough.
To solve the above problems. Therefore, the handheld infrared thermometer with high measuring sensitivity is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a handheld infrared thermometer with high measurement sensitivity, wherein a handle is rotated, an insert block is extruded at the moment, when the handle rotates and is positioned on the same horizontal line with a support frame, the insert block is inserted into a slot, the handle is fixed at the moment and is convenient to carry for detection, when the infrared thermometer is used, the hand of a person to be detected is inserted into the support frame, a first infrared detector and a second infrared detector respectively detect the front side and the back side of a wrist simultaneously and transmit detected data to a display screen, when the infrared thermometer needs to be stored, a dial block is manually dialed to pull out the insert block from the slot, then the handle is rotated to clamp the other end of the handle into a groove, a rubber pad is extruded, and the handle is ensured not to fall out easily, so that the problems in the prior art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a handheld infrared thermometer with high measurement sensitivity comprises a handheld part and an infrared detection part arranged at one end of the handheld part, wherein the handheld part comprises a grip and rotating columns arranged at two sides of one end of the grip, and a storage battery is arranged on the inner side of the other end of the grip;
the infrared detection part comprises a support frame, a first infrared detector and a second infrared detector, wherein the first infrared detector and the second infrared detector are arranged on the inner side of the support frame, the other ends of the first infrared detector and the second infrared detector are electrically connected with the storage battery through a first lead, a second lead is further arranged on the inner side of the support frame, one end of the second lead is electrically connected with the first lead, the other end of the second lead is electrically connected with a main controller arranged on the inner side of the support frame, and a display screen is arranged at the outer side end of the main controller.
Preferably, the first infrared detector and the second infrared detector are oppositely arranged.
Preferably, one side of the support frame is provided with a clamping piece, and the clamping piece is matched with a slot formed in the middle of the lower end of the handle.
Preferably, the chucking spare includes the installation shell and sets up the inserted block on the installation shell, and the lower extreme of inserted block inserts the mounting groove that the installation shell inboard was seted up, and the lower extreme of inserted block is provided with extrusion spring, extrusion spring's the other end and installation shell fixed connection.
Preferably, one side of the inserting block is provided with a shifting block, and one end of the shifting block is bent downwards.
Preferably, the inner side of the support frame is provided with a groove, and the inner side of the groove is provided with a rubber pad.
Preferably, the inner side of the supporting frame is further provided with two temperature sensors, the two temperature sensors are symmetrically arranged on the inner side of the supporting frame and are electrically connected with the main controller, and one side of the main controller is further electrically provided with a temperature compensator.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the handheld infrared thermometer with high measurement sensitivity is used, the hand of a person to be detected is inserted into the support frame, the first infrared detector and the second infrared detector respectively and simultaneously detect the front side and the back side of the wrist and transmit detected data to the display screen, and in addition, the change of the distance between the infrared detector and a detection point in the detection process is small, the influence of the outside is small, and the measurement sensitivity is higher.
2. According to the handheld infrared thermometer with high measurement sensitivity, the handle is rotated, the insertion block is extruded at the moment, when the handle is rotated and is positioned at the same horizontal line with the support frame, the insertion block is inserted into the slot, and the handle is fixed at the moment, so that the handheld infrared thermometer is convenient to carry out detection.
3. According to the handheld infrared thermometer with high measurement sensitivity, when the infrared thermometer needs to be stored, the shifting block is manually shifted, the inserting block is pulled out of the inserting groove, then the handle is rotated, the other end of the handle is clamped into the groove, the rubber pad is extruded, the handle is prevented from easily falling out, and the infrared thermometer is convenient to carry and store integrally.
4. According to the handheld infrared thermometer with high measurement sensitivity, the temperature sensor is electrically connected with the main controller, one side of the main controller is also electrically provided with the temperature compensator, the temperature compensator takes the difference value between a measured object and the ambient temperature as a reference quantity according to the working principle of the pyroelectric detector, the compensation quantity is determined according to the difference value, the ambient temperature is measured through the temperature sensor, and the temperature compensator is adopted for compensation, so that the defect of the traditional thermistor is avoided, and the measurement accuracy of the infrared thermometer is further improved.
Drawings
FIG. 1 is a schematic view of the overall expanded perspective structure of the present invention;
FIG. 2 is a schematic view of the overall side view internal plan structure of the present invention;
FIG. 3 is a schematic view of the overall folding structure of the present invention;
figure 4 is a schematic exploded perspective view of the retainer of the present invention.
In the figure: 1. a hand-held component; 11. a grip; 111. a slot; 12. rotating the column; 13. a storage battery; 2. an infrared detection section; 21. a holder; 211. a rubber pad; 22. a first infrared detector; 23. a second infrared detector; 24. a first conductive line; 25. a second conductive line; 26. a main controller; 27. a display screen; 28. a retainer; 281. mounting a shell; 2811. mounting grooves; 282. inserting a block; 283. a compression spring; 284. and (5) shifting blocks.
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 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.
Referring to fig. 1, a handheld infrared thermometer with high measurement sensitivity includes a handheld unit 1 and an infrared detection unit 2 disposed at one end of the handheld unit 1.
Referring to fig. 2, a handheld infrared thermometer with high measurement sensitivity, a handheld unit 1 includes a handle 11 and a rotating column 12 disposed on both sides of one end of the handle 11, and a battery 13 is disposed inside the other end of the handle 11.
The infrared detection component 2 comprises a support frame 21, a first infrared detector 22 and a second infrared detector 23 which are arranged at the inner side of the support frame 21, the first infrared detector 22 and the second infrared detector 23 are arranged oppositely, the other ends of the first infrared detector 22 and the second infrared detector 23 are electrically connected with the storage battery 13 through a first lead 24, the inner side of the support frame 21 is also provided with a second lead 25, one end of the second lead 25 is electrically connected with the first lead 24, the other end is electrically connected with a main controller 26 arranged at the inner side of the support frame 21, the outer side end of the main controller 26 is provided with a display screen 27, the inner side of the support frame 21 is also provided with temperature sensors 29, two temperature sensors 29 are symmetrically arranged at the inner side of the support frame 21 and are both electrically connected with the main controller 26, one side of the main controller 26 is also electrically provided with a temperature compensator 210, the temperature compensator 210 is according to the working principle of the pyroelectric detector, the difference value between the measured object and the ambient temperature is used as a reference quantity, the compensation quantity is determined according to the difference value, the ambient temperature is measured through the temperature sensor 29, and the temperature compensator 210 is used for compensation, so that the defect of a traditional thermistor is overcome, and the measurement accuracy of the infrared thermometer is further improved.
When the infrared thermometer is used, the hand of a person to be detected is inserted into the support frame 21, the first infrared detector 22 and the second infrared detector 23 respectively detect the front side and the back side of the wrist simultaneously, detected data are transmitted to the display screen 27, the change of the distance between the infrared detector and a detection point is small in the detection process, the influence of the outside is small, and the measurement sensitivity is higher.
One side of the support frame 21 is provided with a clamping piece 28, and the clamping piece 28 is matched with a slot 111 arranged in the middle of the lower end of the handle 11.
Referring to fig. 4, a handheld infrared thermometer with high measurement sensitivity, a clamping member 28 includes an installation shell 281 and a plug block 282 disposed on the installation shell 281, a lower end of the plug block 282 is inserted into an installation groove 2811 formed in an inner side of the installation shell 281, a pressing spring 283 is disposed at a lower end of the plug block 282, the other end of the pressing spring 283 is fixedly connected with the installation shell 281, a shifting block 284 is disposed at one side of the plug block 282, and one end of the shifting block 284 is bent downward, so as to facilitate downward shifting of fingers.
When the grip 11 is rotated and the plug 282 is squeezed, when the grip 11 is rotated and the same horizontal line with the support frame 21, the plug 282 is inserted into the slot 111, and at this time, the grip 11 is fixed, which is convenient for hand-held detection.
Referring to fig. 2-3, a handheld infrared thermometer with high measurement sensitivity, wherein a groove is formed in the inner side of a support frame 21, and a rubber pad 211 is disposed in the groove, when the infrared thermometer needs to be stored, a dial 284 is manually shifted to pull out an insertion block 282 from a slot 111, then a handle 11 is rotated to clamp the other end of the handle 11 into the groove, and the rubber pad 211 is squeezed to prevent the handle 11 from easily falling out, so that the infrared thermometer is convenient to carry and store.
The use principle is as follows: the grip 11 is rotated, the inserting block 282 is squeezed at the moment, when the grip 11 rotates to be in the same horizontal line with the supporting frame 21, the inserting block 282 is inserted into the slot 111, the grip 11 is fixed at the moment, the hand is convenient to hold for detection, when an infrared thermometer is used, the hand of a person to be detected is inserted into the supporting frame 21, the first infrared detector 22 and the second infrared detector 23 respectively detect the front side and the back side of the wrist simultaneously, detected data are transmitted to the display screen 27, when the infrared thermometer needs to be stored, the shifting block 284 is manually shifted, the inserting block 282 is pulled out from the slot 111, then the grip 11 is rotated, the other end of the grip 11 is clamped into the groove, the rubber pad 211 is squeezed, and the grip 11 is prevented from falling out easily.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a handheld infrared radiation thermometer that measurement sensitivity is high, includes handheld part (1) and sets up infrared detection part (2) in handheld part (1) one end, its characterized in that: the handheld part (1) comprises a grip (11) and rotating columns (12) arranged on two sides of one end of the grip (11), and a storage battery (13) is arranged on the inner side of the other end of the grip (11);
the infrared detection component (2) comprises a support frame (21), a first infrared detector (22) and a second infrared detector (23) which are arranged on the inner side of the support frame (21), the other ends of the first infrared detector (22) and the second infrared detector (23) are electrically connected with the storage battery (13) through a first lead (24), a second lead (25) is further arranged on the inner side of the support frame (21), one end of the second lead (25) is electrically connected with the first lead (24), the other end of the second lead is electrically connected with a main controller (26) arranged on the inner side of the support frame (21), and a display screen (27) is arranged on the outer side end of the main controller (26).
2. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 1, wherein: the first infrared detector (22) and the second infrared detector (23) are oppositely arranged.
3. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 1, wherein: one side of the support frame (21) is provided with a clamping piece (28), and the clamping piece (28) is matched with a slot (111) formed in the middle of the lower end of the handle (11).
4. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 3, wherein: the clamping piece (28) comprises an installation shell (281) and an inserting block (282) arranged on the installation shell (281), the lower end of the inserting block (282) is inserted into an installation groove (2811) formed in the inner side of the installation shell (281), an extrusion spring (283) is arranged at the lower end of the inserting block (282), and the other end of the extrusion spring (283) is fixedly connected with the installation shell (281).
5. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 4, wherein: one side of the inserting block (282) is provided with a shifting block (284), and one end of the shifting block (284) is bent downwards.
6. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 1, wherein: the inner side of the support frame (21) is provided with a groove, and the inner side of the groove is provided with a rubber pad (211).
7. A hand-held infrared thermometer with high measurement sensitivity as claimed in claim 1, wherein: the inner side of the supporting frame (21) is also provided with two temperature sensors (29), the two temperature sensors (29) are symmetrically arranged on the inner side of the supporting frame (21) and are electrically connected with the main controller (26), and one side of the main controller (26) is also electrically provided with a temperature compensator (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107184.XU CN215677291U (en) | 2021-09-02 | 2021-09-02 | Handheld infrared thermometer with high measurement sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107184.XU CN215677291U (en) | 2021-09-02 | 2021-09-02 | Handheld infrared thermometer with high measurement sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215677291U true CN215677291U (en) | 2022-01-28 |
Family
ID=79958950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122107184.XU Active CN215677291U (en) | 2021-09-02 | 2021-09-02 | Handheld infrared thermometer with high measurement sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215677291U (en) |
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2021
- 2021-09-02 CN CN202122107184.XU patent/CN215677291U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A handheld infrared thermometer with high measurement sensitivity Effective date of registration: 20231206 Granted publication date: 20220128 Pledgee: China Co. truction Bank Corp Jieyang branch Pledgor: Guangdong yongri Technology Co.,Ltd. Registration number: Y2023980069620 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220128 Pledgee: China Co. truction Bank Corp Jieyang branch Pledgor: Guangdong yongri Technology Co.,Ltd. Registration number: Y2023980069620 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A handheld infrared thermometer with high measurement sensitivity Granted publication date: 20220128 Pledgee: China Co. truction Bank Corp Jieyang branch Pledgor: Guangdong yongri Technology Co.,Ltd. Registration number: Y2024980020549 |