CN212674299U - Device for calibrating forehead temperature and ear thermometer - Google Patents
Device for calibrating forehead temperature and ear thermometer Download PDFInfo
- Publication number
- CN212674299U CN212674299U CN202021716559.1U CN202021716559U CN212674299U CN 212674299 U CN212674299 U CN 212674299U CN 202021716559 U CN202021716559 U CN 202021716559U CN 212674299 U CN212674299 U CN 212674299U
- Authority
- CN
- China
- Prior art keywords
- temperature
- black body
- display
- shell
- state relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
The utility model discloses a device for calibrating volume temperature and ear thermometer, the device adopt solid-state relay, accuse temperature table, display, black body and power module etc. to combine, automatic temperature rising accuse temperature mode, safe and reliable, the programming rate is fast, and temperature stability is good, the utility model discloses convenient to carry uses this device calibration precision not to be influenced even under non-laboratory environment, uses convenient operation small light in weight, and equipment check-ups such as ear thermometer are accurate, improve work efficiency.
Description
Technical Field
The utility model relates to a calibration equipment technical field, in particular to a device that is used for calibrating volume temperature and ear temperature rifle.
Background
An ear thermometer is a non-contact telemetering (although perhaps less than a centimeter) temperature measuring instrument, which utilizes the infrared spectrum emitted by the tympanic membrane (equivalent to the hypothalamus) to determine the body temperature, and according to the blackbody radiation theory, the infrared spectrum generated by objects with different temperatures is also different, and a temperature difference electric pile (Thermopile) infrared detector which can be accurate to 0.1 ℃ is utilized, and then the reading is converted by a microcomputer to be displayed.
With the large application of the infrared thermometer in airports, stations, markets and the like, how to calibrate the infrared thermometer, especially to calibrate the modified thermometer fixedly installed on the spot, is very important. This requires an infrared thermometer calibration device for calibrating the infrared thermometer on site, and the conventional blackbody radiation source has a large volume and weight, and requires a long time for temperature rise and fall, thereby affecting the working efficiency.
Disclosure of Invention
In order to solve the technical problem, the utility model discloses a device for calibrating volume temperature and ear temperature rifle, its technical scheme is:
the device includes the shell, installation power module, accuse temperature table, solid state relay and black body in the shell, shell one side embedding display, the observation face and the display of black body tip are at the homonymy, and the device's shift knob links to each other with solid state relay, and solid state relay links to each other with accuse temperature table, power module and display respectively, and the power links to each other with power module, the black body sets up in the inner shell, and the inner shell is fixed on the shell, and the tip of the observation face embedding shell of black body and inner shell is equipped with heat preservation and zone of heating in the inner shell.
Furthermore, the temperature control meter is connected with the heating layer through a solid relay, the temperature sensor is installed on the heating layer and connected with the temperature control meter, and the display displays a set value and a black body temperature value.
Furthermore, the output end of the display is connected with the input end of the temperature control meter, the output end of the temperature control meter is connected with the input end of the heating layer, the output end of the temperature sensor is connected with the input end of the display, and the temperature value in the heating layer is displayed in real time.
Further, the heating layer is a plane heating plate made of multiple layers of pressing heating wires, and the heat preservation layer is rock wool.
Further, the black body is a gun-type black body.
Furthermore, a supporting foot rest is arranged at the outer bottom of the shell.
The utility model has the advantages that: the utility model discloses a device for calibrating volume temperature and ear thermometer, the device adopt solid-state relay, accuse temperature table, display, black body and power module etc. to combine, automatic temperature rising accuse temperature mode, safe and reliable, the programming rate is fast, and temperature stability is good, the utility model discloses convenient to carry uses this device calibration precision not to be influenced even under non-laboratory environment, uses convenient operation small light in weight, and equipment check-ups such as ear thermometer are accurate, improve work efficiency.
Drawings
Fig. 1 is a sectional view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a block diagram of the present invention;
FIG. 4 is a circuit diagram of the present invention;
as shown in the figure, 1 black body, 2 displays, 3 shells, 4 accuse temperature meters, 5 power supplies, 6 shift knob, 7 solid state relay, 8 observation planes, 9 rock wool, 10 plane hot plates, BM power supply, RW plane hot plate.
Detailed Description
As shown in the figure, the utility model discloses a device for calibrating volume temperature and ear thermometer on the structure basis of conventional volume temperature and ear thermometer calibration equipment is used in the laboratory, through reducing 75% and reducing 20% heating power with the thickness of cavity heat preservation, the mode that has increased the heat dissipation capacity has realized shortening the cooling time, and its heat preservation reduces thickness, and weight variation has lightened the volume and has reduced thereupon, can place on the desktop and be convenient for carry and take the field usage not being in the laboratory of being restricted to.
The device includes shell 3, installation power module, accuse temperature table 4, solid state relay 7 and blackbody 1 in the shell, shell front side embedding display 2, the observation face 8 and the display 2 of blackbody tip are in the homonymy, and the blackbody setting is in the inner shell, and the inner shell is fixed on the shell, and the observation face embedding of blackbody is the tip of shell and inner shell, and the observation face is circular, and its diameter range is 10-200mm (can do corresponding modification according to the user's demand). Be equipped with heat preservation and zone of heating in the inner shell, heat preservation parcel zone of heating, this zone of heating is the plane hot plate 10 that multilayer pressfitting heater strip made, and this heat preservation is rock wool 9. A switch button 6 and a power supply 5 jack of the device are arranged behind a shell, the switch button is connected with a solid-state relay 7, the solid-state relay is respectively connected with a temperature control meter, a power supply module and a display, and the power supply is connected with the power supply module and supplies power to the device.
Furthermore, the temperature control meter is connected with the heating layer through a solid relay, the temperature sensor is installed on the heating layer and connected with the temperature control meter, the display adopts a visual configuration controller as an industrial touch control integrated machine 430E, and a set value and a temperature value in the black body can be displayed.
Furthermore, the output end of the display is connected with the input end of the temperature control meter, the output end of the temperature control meter is connected with the input end of the heating layer, the output end of the temperature sensor is connected with the input end of the display, and the temperature value in the heating layer is displayed in real time.
Further, the black body is a gun-type black body.
Furthermore, a supporting foot rest is arranged at the outer bottom of the shell and used for supporting the device.
In the circuit diagram of fig. 4, BM power supply, RW planar heating plate.
The utility model discloses a working process:
the power circular telegram, open shift knob, power module is this device power supply, set for the temperature value on the display, solid state relay gives accuse temperature table signal, accuse temperature table heats to the settlement temperature for the zone of heating, temperature sensor passes the temperature value signal to the display, show the temperature value on the zone of heating on the display, transmit the observation face through the black body, the staff holds ear thermometer equipment and will survey the end and be close to the black body observation face, if the temperature measurement value that shows on the ear thermometer is the same with the temperature value of setting for on the display, perhaps the error is in 0.1 ℃ of scope, then this ear thermometer is qualified product, otherwise, it is unqualified.
The utility model discloses a device for calibrating volume temperature and ear thermometer, the device adopt solid-state relay, accuse temperature table, display, black body and power module etc. to combine, automatic temperature rising accuse temperature mode, safe and reliable, the programming rate is fast, and temperature stability is good, the utility model discloses convenient to carry uses this device calibration precision not to be influenced even under non-laboratory environment, uses convenient operation small light in weight, and equipment check-ups such as ear thermometer are accurate, improve work efficiency.
The utility model discloses a use:
the display is a visual configuration controller and is an industrial touch control integrated machine 430E;
the temperature sensor is PT 100;
the temperature control meter adopts a conduction instrument SR 23;
the solid-state relay adopts alternating current 40A, and the input end of the solid-state relay uses a tiny control signal to directly drive a heavy-current load;
the power supply adopts 12V29A/12V 5A;
the black body adopts a customized hollow gun type black body.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A device for calibrating volume temperature and ear thermometer, the device include the shell, its characterized in that, installation power module, accuse temperature table, solid state relay and black body in the shell, shell one side is equipped with display and black body and observes the face, and the device's shift knob links to each other with solid state relay, and solid state relay links to each other with accuse temperature table, power module and display respectively, and the power links to each other with power module, the black body sets up in the inner shell, and the inner shell is fixed on the shell, and the observation face embedding of black body shell and the tip of inner shell are equipped with heat preservation and zone of heating in the inner shell.
2. The apparatus according to claim 1, wherein the thermometer is connected to the heater layer via a solid state relay, the temperature sensor is mounted on the heater layer and connected to the thermometer, and the display displays the set value and the black body temperature value.
3. The apparatus according to claim 1, wherein the output terminal of the display is connected to the input terminal of the temperature control meter, the output terminal of the temperature control meter is connected to the input terminal of the heating layer, and the output terminal of the temperature sensor is connected to the input terminal of the display, so as to display the temperature value in the heating layer in real time.
4. The apparatus according to claim 1, wherein the heating layer is a planar heating plate made of a multi-layered press-fit heating wire, and the insulating layer is rock wool.
5. The apparatus for calibrating a forehead and ear thermometer of claim 1, wherein the black body is a gun-type black body.
6. The apparatus for calibrating a forehead temperature and ear thermometer of claim 1, wherein a supporting foot stand is installed at the outer bottom of the housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020203648680 | 2020-03-21 | ||
| CN202020364868 | 2020-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674299U true CN212674299U (en) | 2021-03-09 |
Family
ID=74819895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021716559.1U Active CN212674299U (en) | 2020-03-21 | 2020-08-18 | Device for calibrating forehead temperature and ear thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674299U (en) |
-
2020
- 2020-08-18 CN CN202021716559.1U patent/CN212674299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102359833B (en) | Temperature rise test device of winding thermometer for transformer | |
| EP3822600B1 (en) | Temperature calibrator with advanced functionality | |
| CN212674299U (en) | Device for calibrating forehead temperature and ear thermometer | |
| CN202854290U (en) | Thermoelectric performance measuring apparatus | |
| CN103017936B (en) | Thermochromic optical fiber temperature sensor and sensing method thereof | |
| CN109282911A (en) | High precision measuring temperature probe and high precision measuring temperature instrument | |
| CN2368020Y (en) | Infrared temp. measuring apparatus | |
| CN101532886A (en) | Temperature sensing module | |
| CN106370322A (en) | Tungsten-rhenium thermocouple calibration system | |
| CN202018348U (en) | Temperature sensor comprehensive verification bench | |
| CN113865784B (en) | Wide-range thermocouple vacuum gauge | |
| US11543304B2 (en) | Temperature measurement system and temperature measurement device | |
| CN2457583Y (en) | Ear temperature analoque device | |
| CN101281150B (en) | Melting point apparatus and method for eliminating melting point apparatus measuring value drift | |
| CN210128790U (en) | Heat conduction vacuum gauge based on fluorescence method | |
| CN207798269U (en) | A kind of emissivity measurement device | |
| CN216246841U (en) | Split type black body radiation source for infrared temperature measurement calibration and verification of transformer substation | |
| CN100386607C (en) | Non-contact infrared thermometer and its distance control method | |
| CN215726533U (en) | Wide-range thermocouple vacuum gauge | |
| CN205919896U (en) | Radiation pyrometer testing arrangement | |
| CN210689817U (en) | Blackbody radiation source | |
| CN110514120A (en) | Displacement measurement system for vacuum low-temperature environment | |
| JP2020159889A (en) | Temperature Controller | |
| CN212674303U (en) | Wireless temperature tester check out test set | |
| CN2519255Y (en) | Multi wave band microwave radiation meter signal source temperature control apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |