CN212482740U - Black body calibrating device - Google Patents
Black body calibrating device Download PDFInfo
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- CN212482740U CN212482740U CN202021523908.8U CN202021523908U CN212482740U CN 212482740 U CN212482740 U CN 212482740U CN 202021523908 U CN202021523908 U CN 202021523908U CN 212482740 U CN212482740 U CN 212482740U
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Abstract
The utility model discloses a black body calibrating device. The device comprises: the temperature measuring device comprises a temperature measuring box, a black body and a temperature measuring instrument, wherein the temperature measuring box is internally provided with a temperature control device and a movement mechanism; the temperature control equipment is used for controlling the interior of the temperature measuring box to be at a set temperature, and the movement mechanism is used for driving the temperature measuring probe to rotate; when calibration is carried out, the temperature measuring probe points to the black body; when the temperature measurement probe is used for detection, the temperature measurement probe points to an external object to be detected through the test channel. The utility model can avoid the influence of outdoor weather conditions during temperature measurement calibration, and greatly improve the accuracy of temperature measurement calibration; meanwhile, the rotation of the temperature measuring probe can avoid inaccurate or failed temperature measurement calibration caused by the shielding of the black body by the object to be detected, and the requirements on the position and the posture of the object to be detected are also reduced.
Description
Technical Field
The utility model relates to a temperature calibration technical field, concretely relates to black body calibrating device.
Background
Temperature measuring instruments are more and more widely applied, and particularly, the temperature measuring instruments are more widely applied in epidemic situations. Most of the existing thermometric instruments adopt black bodies for temperature calibration. In the existing temperature calibration scheme, the blackbody is away from the temperature measurement probe by a certain distance, and the method has the following problems:
1. the blackbody is arranged outdoors and is greatly influenced by outdoor weather conditions, so that the actual temperature measurement accuracy is poor;
2. the temperature measuring probe needs to detect the temperature of the black body and the object to be measured at the same time, and the temperature measuring result is possibly inaccurate because the object to be measured shields the black body and does not play a role in calibrating the black body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a black body calibrating device for improve the calibration accuracy.
The utility model discloses a first aspect provides a black body calibrating device, and the device includes: the temperature measuring device comprises a temperature measuring box, a black body and a temperature measuring instrument, wherein the temperature measuring box is internally provided with a temperature control device and a movement mechanism; the temperature control equipment is used for controlling the interior of the temperature measuring box at a set temperature, and the movement mechanism is used for driving the temperature measuring probe to rotate; when the calibration is carried out, the temperature measuring probe points to the black body under the driving of the motion mechanism; when the temperature measuring probe is used for detection, the temperature measuring probe points to an object to be detected positioned outside the test box through the test channel under the driving of the motion mechanism.
Further, the thermometric box is divided into a first compartment and a second compartment, the black body and the temperature control device are located in the first compartment, the thermometric probe and the movement mechanism are located in the second compartment, a connecting channel is arranged between the first compartment and the second compartment, and the testing channel is opened in the second compartment; the temperature of the first compartment is constant at the set temperature of the black body under the action of the temperature control device; when the calibration is carried out, the temperature measuring probe points to the black body through the connecting channel under the driving of the moving mechanism.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
the utility model has the advantages that the blackbody and the temperature measuring probe are arranged in the temperature measuring box, and the temperature control device is arranged in the temperature measuring box, so that the temperature measuring calibration is free from the influence of outdoor weather conditions, the temperature measuring precision is higher, and the accuracy of the temperature measuring calibration is greatly improved; meanwhile, the movement mechanism is arranged in the temperature measuring box, so that the temperature measuring probe can be driven to rotate, the temperature measuring probe points to the black body during calibration and points to the object to be detected during detection, inaccurate or failed temperature measurement calibration caused by shielding of the black body by the object to be detected is avoided, and the requirements on the position and the posture of the object to be detected are also reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments and 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a black body calibration apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The following are detailed descriptions of the respective embodiments.
Referring to fig. 1, an embodiment of the present invention provides a blackbody calibration apparatus.
The apparatus may include: temperature measuring box 10, black body 20 and temperature measuring instrument.
The temperature measuring instrument can be a conventional temperature measuring instrument, and comprises a temperature measuring probe 31, a signal processing module, a storage module, a communication module, a display screen and the like; the storage module, the communication module, the display screen, the temperature measuring probe 31 and the like are respectively connected with the signal processing module. The specific type of the temperature measuring instrument and the specific type of the temperature measuring probe 31 are not limited herein, for example, the temperature measuring probe 31 may be an infrared temperature probe, and may also be other types of temperature probes.
The blackbody 20 may be a conventional blackbody radiator, and the specific type of blackbody radiator is not limited herein.
The temperature measuring probe 31 and the black body 20 are both arranged inside the temperature measuring box 10. The temperature measuring box 10 is provided with a test channel 17 communicated with the outside, so that the temperature measuring probe 31 can point to the object to be detected 40 positioned outside the test box through the test channel 17.
The utility model discloses the key point lies in the structure of temperature measurement box 10, and with blackbody 20, temperature probe 31's spatial position relation, relation of connection etc..
In this embodiment, a temperature control device and a motion mechanism 13 are disposed inside the temperature measuring box 10. The temperature control device is used for controlling the interior of the temperature measuring box at a set temperature, and the movement mechanism 13 is used for driving the temperature measuring probe 31 to rotate. When calibration is carried out, the temperature measuring probe 31 is driven by the movement mechanism 13 to point to the black body 20; during detection, the temperature measuring probe 31 is driven by the moving mechanism 13 to point to the object to be detected 40 outside the test box 10 through the test channel 17.
Further, the thermometric box 10 is divided into a first compartment 11 and a second compartment 12, the first compartment 11 and the second compartment 12 having a connecting channel 16 therebetween, the second compartment having a testing channel 17. The connecting channel 16 may be a first through hole formed in a partition for separating the first compartment 11 from the second compartment 12; the test channel 17 may be a second through hole formed in a partition wall between the second compartment 12 and the object 40 to be tested.
The black body 20 and the temperature control device are arranged in the first compartment 11, and the temperature of the first compartment 11 is constant at the set temperature of the black body 20 under the action of the temperature control device. The temperature setting of the black body is set according to specific needs, and is not limited herein. The temperature control device may be, for example, an air conditioner or other temperature-regulating device for regulating the temperature in the first compartment 11.
The temperature measuring probe 31 is connected with the moving mechanism 13, the temperature measuring probe 31 and the moving mechanism 13 are both arranged in the second compartment 12 and connected with the moving mechanism 13, and the moving mechanism 13 can drive the temperature measuring probe 31 to rotate. The specific structure of the moving mechanism 13 is not limited, as long as the moving mechanism can be used to drive the temperature measuring probe to rotate. For example, the moving mechanism 13 may specifically adopt a swing mechanism, such as a cam swing mechanism or other types of swing mechanisms, and may specifically include a rotating plate for carrying the temperature probe 31, a motor for driving the rotating plate to rotate, and the like.
During calibration, the temperature measuring probe 31 is driven by the movement mechanism 13 to rotate to a first position, and the position points to the black body 20 through the connecting channel; during detection, the temperature measuring probe 31 is driven by the moving mechanism 13 to rotate to a second position, and the position points to the object to be detected 40 outside the test box through the test channel.
Further, in some embodiments, the blackbody calibration apparatus of this embodiment further includes: a control unit 14 connected to the movement mechanism 13, and a detection unit 15 connected to the control unit 14. The control unit 14 and the detection unit 15 may be provided outside the temperature measuring box 10. The control unit 14 is a unit for controlling the movement mechanism, and may be a single chip microcomputer, for example. The detection unit 15 may employ, for example, an infrared detection sensor or the like.
In application, the detecting unit 15 is configured to detect whether the target space has an object 40 to be detected, and if so, send a detection signal to the control unit 14; the control unit 14 is configured to control the moving mechanism 13 to move after receiving the detection signal, so as to drive the temperature measuring probe 31 to point to the object to be detected.
Optionally, in some embodiments, the black body 20, the first through hole 16 and the temperature probe 31 are located on a first straight line; the temperature measuring probe 31, the second through hole 17 and the object to be detected 40 are positioned on a second straight line. The first line and the second line are at an angle to each other, for example perpendicular to each other. In other words, the blackbody 20 and the object 40 are located at different angles with the temperature probe 31 as the center point, so as to ensure that they do not block each other.
The application method of the blackbody calibration apparatus described in this embodiment is further described below, which includes the steps of:
s1, a temperature measuring probe points to a black body in an initial state and can detect the temperature of the black body according to an instruction or a preset period;
s2, temperature measurement instruments perform temperature calibration according to the monitored temperature of the black body;
s3, when an object to be detected, such as a visitor, enters a target space (such as a room entrance), the motion mechanism drives the temperature measuring probe to point to the object to be detected;
s4, detecting the temperature of the object to be detected by a temperature measuring probe;
and S5, after the object to be detected leaves the target space, the movement mechanism drives the temperature measuring probe to point to the black body.
Returning to step S1, the above steps are repeated.
As above, the embodiment of the utility model discloses black body calibrating device obtains beneficial effect as follows:
the blackbody and the temperature measuring probe are arranged in the temperature measuring box, and the temperature control device is arranged in the temperature measuring box, so that the influence of outdoor weather conditions is avoided during temperature measurement calibration, higher temperature measurement accuracy can be realized, and the accuracy of temperature measurement calibration is greatly improved; meanwhile, the movement mechanism is arranged in the temperature measuring box, so that the temperature measuring probe can be driven to rotate, the temperature measuring probe points to the black body during calibration and points to the object to be detected during detection, inaccurate or failed temperature measurement calibration caused by shielding of the black body by the object to be detected is avoided, and the requirements on the position and the posture of the object to be detected are also reduced.
Furthermore, the temperature measuring box is divided into the first compartment and the second compartment, the black body and the temperature measuring probe are respectively arranged, the temperature of the first compartment where the black body is located is ensured to be more constant, and the calibration precision can be further improved.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; those of ordinary skill in the art will understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A black body calibration apparatus, comprising:
the temperature measuring device comprises a temperature measuring box, a black body and a temperature measuring instrument, wherein the temperature measuring box is internally provided with a temperature control device and a movement mechanism; the temperature control equipment is used for controlling the interior of the temperature measuring box at a set temperature, and the movement mechanism is used for driving the temperature measuring probe to rotate; when the calibration is carried out, the temperature measuring probe points to the black body under the driving of the motion mechanism; when the temperature measurement box is used for detection, the temperature measurement probe points to an object to be detected positioned outside the temperature measurement box through the test channel under the driving of the motion mechanism.
2. A black body calibration apparatus according to claim 1,
the temperature measuring box is divided into a first compartment and a second compartment, the black body and the temperature control equipment are positioned in the first compartment, the temperature measuring probe and the movement mechanism are positioned in the second compartment, a connecting channel is arranged between the first compartment and the second compartment, and the testing channel is opened in the second compartment; the temperature of the first compartment is constant at the set temperature of the black body under the action of the temperature control device; when the calibration is carried out, the temperature measuring probe points to the black body through the connecting channel under the driving of the moving mechanism.
3. A black body calibration apparatus according to claim 2, further comprising:
the control unit is connected with the motion mechanism, and the detection unit is connected with the control unit;
the detection unit is used for detecting whether the target space is to be detected or not, and if so, sending a detection signal to the control unit;
the control unit is used for controlling the movement mechanism to move after receiving the detection signal so as to drive the temperature measuring probe to point to the object to be detected.
4. A black body calibration apparatus according to claim 3,
the first compartment and the second compartment are separated by a layer of partition plate, and the connecting channel is a first through hole formed in the partition plate; the test channel is a second through hole provided on the second compartment.
5. A black body calibration apparatus according to claim 4,
the black body, the first through hole and the temperature measuring probe are positioned on a first straight line;
the temperature measuring probe, the second through hole and the object to be detected are located on a second straight line.
6. A black body calibration apparatus according to claim 5,
the first line and the second line are perpendicular.
7. A black body calibration apparatus according to claim 1,
the motion mechanism is specifically a swing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523908.8U CN212482740U (en) | 2020-07-27 | 2020-07-27 | Black body calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523908.8U CN212482740U (en) | 2020-07-27 | 2020-07-27 | Black body calibrating device |
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| CN212482740U true CN212482740U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117906767A (en) * | 2024-03-20 | 2024-04-19 | 国科大杭州高等研究院 | Large-area source blackbody temperature self-correction method |
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2020
- 2020-07-27 CN CN202021523908.8U patent/CN212482740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117906767A (en) * | 2024-03-20 | 2024-04-19 | 国科大杭州高等研究院 | Large-area source blackbody temperature self-correction method |
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