CN211927758U

CN211927758U - Thermal insulation capability detection plug

Info

Publication number: CN211927758U
Application number: CN202020583867.5U
Authority: CN
Inventors: 黄洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-13
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a heat preservation ability detects stopper, including sealed detection head and transmission collection moulding piece, sealed detection head has included front end sealed cowling and thermal infrared inductor, transmission collection moulding piece has included the linear expander of signal, the accuse module is adopted to the digit, timing circuit and paster digital display pipe, sealed detection head installs the bottom at detecting the stopper, and be connected to transmission collection moulding piece through the wire, transmission collection moulding piece installs the afterbody at detecting the stopper, thermal infrared inductor output interface passes the spool through the wire and is connected to the IN interface of the linear expander of signal, the linear expander of accuse module and signal is adopted to the digit, timing circuit and paster digital display pipe welding are on centre of a circle circuit board, the digital collection accuse module respectively with the linear expander of signal, timing circuit and paster digital display pipe carry out interface connection. The utility model discloses a timing detects the falling speed of the inside temperature of thermos and confirms whether up to standard of thermos, and has quantized the heat preservation index, has accelerated detection speed simultaneously.

Description

Thermal insulation capability detection plug

Technical Field

The utility model relates to a check out test set especially relates to a heat preservation ability detects stopper.

Background

The quality of thermos has directly been decided to the heat preservation effect of thermos inner bag, and the length of heat preservation time is the key quality factor in the protection effect, many miniature factories are because cost and complexity problem do not dispose corresponding heat preservation effect check out test set basically, traditional thermos heat preservation ability detects the majority and uses a period of time (generally for in 24 hours) to confirm whether heat preservation of thermos is up to standard through the user purchase, if not up to standard just carry out corresponding change processing, consequently this type of detection mode time process is longer, and efficiency is very low, simultaneously because adopted the manual work to carry out subjective affirmation, therefore heat retaining actual heat preservation effect also does not have specific quantization index, this makes the detection and the use of this field product have very big hysteresis quality and defect.

Disclosure of Invention

The utility model aims at: the heat-insulating capability detection plug can quantify the heat-insulating capability and realize the rapid detection function.

The utility model discloses the technical scheme who adopts to above purpose is:

the utility model provides a heat preservation ability detects stopper, includes sealed detection head and transmission collection moulding piece, sealed detection head included front end sealed cowling and thermal infrared inductor, transmission collection moulding piece including signal linear amplifier, digital acquisition and control module, timing circuit and paster digital display pipe, sealed detection head install the bottom of detecting the stopper to through the pipe connection to transmission collection moulding piece, transmission collection moulding piece install the afterbody at detecting the stopper, thermal infrared inductor output interface pass the spool through the wire and be connected to the IN interface of signal linear amplifier, digital acquisition and control module and signal linear amplifier, timing circuit and paster digital display pipe welding on centre of a circle circuit board, digital acquisition and control module carries out interface connection with signal linear amplifier, timing circuit and paster digital display pipe respectively.

In the heat-insulating capability detection plug, the thermal infrared sensor adopts the thermal infrared proportional temperature sensor MRT-311, and a power supply of the thermal infrared sensor is provided by the transmission integration module.

In the heat-preserving capability detection plug, the signal linear amplifier adopts a gain circuit composed of a chip AD 828.

In the heat-insulating capability detecting plug, the digital acquisition and control module adopts a microcontroller Atiny 45V.

In the heat-insulating capability detecting plug, the timing circuit performs cooling speed timing through the clock chip H1307.

The utility model discloses a timing detects the falling speed of the inside temperature of thermos and confirms whether up to standard of thermos, and has quantized the heat preservation index, has accelerated detection speed simultaneously.

Drawings

Figure 1 is the overall structure diagram of the appearance of the heat-insulating capability detecting plug of the utility model.

Fig. 2 is a schematic circuit diagram of the thermal insulation capability detection plug of the present invention.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Referring to fig. 1 and 2, a heat preservation capability detecting plug comprises a sealing detecting head 1 and a transmission integrated module 2, wherein the sealing detecting head 1 comprises a front end sealing cover 3 and a thermal infrared sensor 4, the transmission integrated module 2 comprises a signal linear amplifier 5, a digital acquisition and control module 6, a timing circuit 7 and a patch digital display tube 8, the sealing detecting head 1 is installed at the bottom end of a detecting plug 9 and is connected to the transmission integrated module 2 through a conduit 10, the transmission integrated module 2 is installed at the tail of the detecting plug 9, an output interface of the thermal infrared sensor 4 passes through the conduit 10 through a lead and is connected to an IN interface of the signal linear amplifier 5, the digital acquisition and control module 6, the signal linear amplifier 5, the timing circuit 7 and the patch digital display tube 8 are welded on a circle center circuit board 11, and the digital acquisition and control module 6 and the signal linear amplifier 5 respectively, The timing circuit 7 is connected with the patch digital display tube 8 through an interface.

The thermal infrared inductor 4 adopts a thermal infrared proportional temperature sensor MRT-311, and the power supply of the thermal infrared inductor 4 is provided by the transmission integration module 2. The inside battery module that has integrateed of transmission collection moulding piece 2, hot infrared inductor 4 install inside front end sealed cowling 3, front end sealed cowling 3 is transparent high temperature cover, mainly protects hot infrared induction 4's response face and receives the influence of vapor, can make hot infrared signal can pass through transparent high temperature cover smoothly simultaneously so that hot infrared induction 4 can respond to the thermos in the temperature numerical value.

The signal linear amplifier 5 adopts a gain circuit composed of a chip AD 828.

The digital acquisition and control module 6 adopts a microcontroller Atiny 45V.

The timing circuit 7 performs cooling speed timing through a clock chip H1307.

The sealing detection head 1, the transmission integration module 2 and the detection plug 9 form a thermos bottle heat preservation capability detection plug together, when the detection plug plugs the thermos bottle, a thermal infrared sensor 4 on the sealing detection head 1 can detect temperature data in the thermos bottle in real time and transmit the temperature data to a signal linear amplifier 5 in a form of thermal current for voltage conversion and amplification, and a digital acquisition and control module 6 can acquire corresponding analog voltage and convert the analog voltage into a temperature value through an internal analog-to-digital conversion module, so that the real-time detection of the temperature data is completed; time value that control module 6 can gather timing circuit 7 output simultaneously is gathered to digit, regard as an acquisition unit in 1 minute, and carry out the difference calculation with the temperature value at a minute initial point and the temperature value at a minute end point, thereby determine the cooling rate of thermos in a minute time unit, and show the cooling rate of every minute time unit of thermos through IO interface control paster digital display 8, because paster digital display 8 has adopted 4 digital tube to constitute, consequently can show the cooling rate numerical value of two minute time units simultaneously, the cooling rate that the measurement personnel pass through the demonstration, compare with the qualified cooling rate standard value of this type of thermos, whether just can fast detect the thermos of current inspection qualified.

The utility model discloses a one minute time unit be as a specific example of patent function description, and the inside parameter of whole equipment can all be set for by oneself according to specific thermos bottle product, if cooling time unit can prolong or shorten, the collection number of temperature numerical value etc. simultaneously.

The utility model discloses the thermos heat preservation ability that forms detects stopper overall cost is lower, consequently can carry out the qualification through assembling a plurality of detection stoppers to a plurality of thermos simultaneously and detect, consequently check-out time and detection efficiency promote greatly. Can also overcome the defect that the traditional thermos bottle needs a user to carry out long-time self-detection.

Claims

1. A heat retention test plug, comprising: the device comprises a sealing detection head (1) and a transmission integrated module (2), wherein the sealing detection head (1) comprises a front end sealing cover (3) and a thermal infrared sensor (4), the transmission integrated module (2) comprises a signal linear amplifier (5), a digital acquisition and control module (6), a timing circuit (7) and a patch digital display tube (8), the sealing detection head (1) is arranged at the bottom end of a detection plug (9) and is connected to the transmission integrated module (2) through a pipeline (10), the transmission integrated module (2) is arranged at the tail part of the detection plug (9), an output interface of the thermal infrared sensor (4) passes through the pipeline (10) through a wire and is connected to an IN interface of the signal linear amplifier (5), the digital acquisition and control module (6), the signal linear amplifier (5), the timing circuit (7) and the patch digital display tube (8) are welded on a circle center circuit board (11), the digital acquisition and control module (6) is respectively connected with the signal linear amplifier (5), the timing circuit (7) and the patch digital display tube (8) through interfaces.

2. The insulating ability detection plug according to claim 1, wherein: the thermal infrared inductor (4) adopts a thermal infrared proportional temperature sensor MRT-311, and the power supply of the thermal infrared inductor is provided by a transmission integration module (2).

3. The insulating ability detection plug according to claim 1, wherein: the signal linear amplifier (5) adopts a gain circuit composed of a chip AD 828.

4. The insulating ability detection plug according to claim 1, wherein: the digital acquisition and control module (6) adopts a microcontroller Atiny 45V.

5. The insulating ability detection plug according to claim 1, wherein: the timing circuit (7) performs cooling speed timing through a clock chip H1307.