CN211787256U

CN211787256U - Automatic temperature measuring device for campus entrance guard

Info

Publication number: CN211787256U
Application number: CN202020520395.9U
Authority: CN
Inventors: 鲁川铱; 于炜楠; 韩金凤; 王颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-27
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses an automatic temperature measuring device for campus entrance guard, which comprises a temperature measuring ring arranged at the card swiping position of a card swiping device, a foot switch arranged below the card swiping device and an automatic temperature measuring circuit; the temperature measuring ring is provided with an infrared thermocouple probe, the automatic temperature measuring circuit comprises a Wheatstone bridge consisting of the infrared thermocouple probe, the input end of the Wheatstone bridge is connected with a power supply, the foot switch is positioned between the input end of the Wheatstone bridge and the power supply, and the output end of the Wheatstone bridge is connected with a liquid crystal display device through a processor. The foot switch is arranged at the position where a person stands under the foot, and the temperature measuring switch is turned on when the person steps on the foot, so that the temperature can be automatically measured. The infrared thermocouple probe on the temperature measuring ring senses the wrist temperature of a card reader to cause the change of the Wheatstone bridge current to form an electric signal, the electric signal is amplified and converted by the processor, and the body temperature acquisition and the card punching verification are synchronously completed by the liquid crystal display device.

Description

Automatic temperature measuring device for campus entrance guard

Technical Field

The utility model relates to an automatic temperature measuring device, especially an automatic temperature measuring device of campus entrance guard.

Background

Because of the need of respiratory disease prevention and control, such as novel coronavirus pneumonia, more and more public places carry out body temperature detection, thus being convenient for preliminarily screening suspected cases and preventing epidemic spread.

The traditional access control system is adopted in general places to cooperate with manual body temperature measurement, the manual body temperature measurement is very slow in speed and high in working pressure, and cross infection is easy to occur, because everybody of a body temperature gun is in contact with the body temperature gun, particularly, when each worker holds the body temperature gun, the problem of cross infection of bacteria can be caused, and even if viruses are not necessarily transmitted in the mode, risks can be easily caused.

Also have individual place to adopt body temperature to detect integration entrance guard and replace traditional access control system, not only exert traditional access control system's functional advantage, can also have the function that intelligent body temperature detected, the inspection and the body temperature condition of record everybody, the patient that generates heat just so can more quick inspection, let survey body temperature data more accurate. However, the integrated entrance guard for body temperature detection has high manufacturing cost, high cost for replacing the traditional entrance guard system and difficult large-scale popularization.

The campus is a place with dense personnel, and needs to solve the problem of home-entry body temperature detection of teachers and students for the requirement of public health safety protection.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an automatic temperature measuring device of campus entrance guard makes body temperature collection and checks the synchronous completion of checking card.

The utility model adopts the following technical scheme:

an automatic temperature measuring device for campus entrance guard comprises a temperature measuring ring arranged at the card swiping position of a card swiping device, a foot switch arranged below the card swiping device and an automatic temperature measuring circuit; the temperature measuring ring is provided with an infrared thermocouple probe, the automatic temperature measuring circuit comprises a Wheatstone bridge consisting of the infrared thermocouple probe, the input end of the Wheatstone bridge is connected with a power supply, the foot switch is positioned between the input end of the Wheatstone bridge and the power supply, and the output end of the Wheatstone bridge is connected with a liquid crystal display device through a processor.

Furthermore, the foot switch comprises an upper insulating plate and a lower insulating plate, and a plurality of reset springs are arranged between the upper insulating plate and the lower insulating plate; the bottom of the upper insulating plate is connected with an upper conducting strip, the bottom of the upper conducting strip is provided with a conducting probe, and the end part of the upper conducting strip is provided with a negative conducting electrode; the upper part of the lower insulating plate is provided with a lower conducting strip, the upper part of the lower conducting strip is provided with a conducting groove matched with the conducting probe, and the end part of the lower conducting strip is provided with a positive conducting electrode.

Furthermore, a plurality of buffer columns are arranged around the conductive groove.

Furthermore, the temperature measuring ring is fixed right in front of the card swiping position of the card swiping device through the fixing support.

Furthermore, the distance between the temperature measuring ring and the card swiping position of the card swiping device is 15-9 cm, so that the infrared thermocouple probe can just measure the temperature of the wrist.

Furthermore, the foot switch is a square with the side length of 40-60 cm or a round with the diameter of 40-60 cm.

The beneficial technical effects obtained by adopting the technical scheme are as follows:

the infrared thermocouple probe on the temperature measuring ring senses the wrist temperature of a card reader to cause the change of the Wheatstone bridge current to form an electric signal, the electric signal is amplified and converted by the processor, and the body temperature acquisition and the card punching verification are synchronously completed by the liquid crystal display device.

The foot switch is arranged at the position where a person stands under the foot, is arranged at the place where people must pass through for getting in the door for card punching, and can automatically measure the temperature by stepping on the foot switch to turn on the temperature measuring switch.

The liquid crystal display and the temperature measuring head are separately placed, the storage and broadcasting functions are added, and the observation and the recording are convenient.

Drawings

Fig. 1 is a schematic diagram of an automatic campus entrance guard temperature measuring device.

Fig. 2 is a schematic diagram of an automatic temperature measuring device for campus access control.

Fig. 3 is a schematic structural view of the foot switch.

FIG. 4 is a schematic view of the position of the foot pedal.

In the figure, the device comprises an upper insulating plate 1, a lower insulating plate 2, a negative conducting electrode 3, a positive conducting electrode 4, an upper conducting plate 5, a lower conducting plate 6, a lower conducting plate 7, a conducting probe 8, a conducting groove 9, a buffer column 10, a reset spring 11, a conducting column 12, a temperature measuring ring 13 and a foot switch.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings 1 to 4:

an automatic temperature measuring device for campus entrance guard is shown in figure 1 and comprises a temperature measuring ring arranged at the card swiping position of a card swiping device, a foot switch arranged below the card swiping device and an automatic temperature measuring circuit; the temperature measuring ring is provided with an infrared thermocouple probe, the automatic temperature measuring circuit comprises a Wheatstone bridge consisting of the infrared thermocouple probe, the input end of the Wheatstone bridge is connected with a power supply, the foot switch is positioned between the input end of the Wheatstone bridge and the power supply, and the output end of the Wheatstone bridge is connected with a liquid crystal display device through a processor.

The liquid crystal display device may be placed in a guard room or other location separate from the card reader. Meanwhile, the processor can also be connected with a voice broadcast device for carrying out the body temperature broadcast.

As shown in FIG. 2, the Wheatstone bridge is composed of an infrared thermocouple probe TC1, a variable resistor R3, and two fixed resistors R1 and R2.

As shown in fig. 3 and 4, the foot switch includes an upper insulating plate 1 and a lower insulating plate 2, and a plurality of return springs are disposed between the upper insulating plate and the lower insulating plate; the bottom of the upper insulating plate is connected with an upper conducting strip 5, the bottom of the upper conducting strip is provided with a conducting probe 7, and the end part of the upper conducting strip is provided with a negative conducting electrode 3; the upper part of the lower insulating plate is provided with a lower conducting strip 6, the upper part of the lower conducting strip is provided with a conducting groove 8 matched with the conducting probe, the end part of the lower conducting strip is provided with a positive conducting electrode 4, and the upper conducting strip is connected with a negative electrode in consideration of safety. The lower conductive sheet contacts the conductive probe to form a conductive post 11. The conductive groove is provided with a plurality of buffer columns all around, and the buffer columns avoid too large impact force including being used for alleviating upper insulation board pressure.

The foot switch is a square with the side length of 40-60 cm or a round with the diameter of 40-60 cm. The person who punches the card just can pass through by stepping on foot switch when passing through entrance guard, and the in-process of punching the card has the meaning of compulsory stop temperature measurement of punching the card.

The foot switch can also be replaced by an infrared inductive switch, the inductive heat source controls the temperature measuring circuit to work, the manufacturing cost is slightly high, and the infrared inductive probe can be additionally arranged at the entrance guard.

The temperature measuring ring is fixed right ahead of the card swiping position of the card swiping device through the fixing support, and the hand is guaranteed to penetrate through the temperature measuring ring during card swiping. The fixed support and the card reader can be pasted by strong glue or clamped by the support.

The distance between the temperature measuring ring and the card swiping position of the card swiping device is 15-9 cm, so that the infrared thermocouple probe can just measure the temperature of the wrist.

The infrared thermocouple probe on the temperature measuring ring senses the temperature of the wrist of a card reader to cause the change of the current of the Wheatstone bridge to form an electric signal, the electric signal is amplified and converted by the processor, the liquid crystal display device sends out warning prompt when the temperature exceeds 37.5 ℃, and when repeated measurement is still not in accordance with the body temperature requirement, the entrance guard cannot be opened.

The automatic temperature measuring device is matched with the card reader for use, meets the temperature measuring distance, and simultaneously plays a role in restraining and reducing cross infection; the foot switch is arranged at the position where a person stands under the foot, and the temperature measurement switch is turned on when the person steps on the foot, so that the temperature can be automatically measured; the liquid crystal display and the temperature measuring head are separately arranged, and a storage broadcasting function is added, so that the observation and the recording are convenient; the temperature measuring ring can be additionally provided with a glass protective cover, and can play a role in protecting the external thermocouple probe and the card punching device from dust, moisture, sun and the like.

The automatic temperature measuring device for the campus access control can reduce the probability of cross infection between detection personnel and passing personnel. This device can install automatic temperature measuring device additional on original entrance guard's basis, and is with low costs, the installation is simple, convenient to use, and the facilitate promotion is to brushing ID card business turn over residential area and relevant unit and using.

Of course, the above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and it should be noted that any equivalent substitution and obvious modification made by those skilled in the art under the guidance of the present specification fall within the essential scope of the present specification, and the present invention should be protected.

Claims

1. An automatic temperature measuring device for campus entrance guard is characterized by comprising a temperature measuring ring (12) arranged at the card swiping position of a card swiping device, a foot switch (13) arranged below the card swiping device and an automatic temperature measuring circuit;

the temperature measuring ring (12) is provided with an infrared thermocouple probe, the automatic temperature measuring circuit comprises a Wheatstone bridge consisting of the infrared thermocouple probe, the input end of the Wheatstone bridge is connected with a power supply, the foot switch is positioned between the input end of the Wheatstone bridge and the power supply, and the output end of the Wheatstone bridge is connected with a liquid crystal display device through a processor.

2. The campus access control automatic temperature measuring device according to claim 1, wherein the foot switch comprises an upper insulating plate (1) and a lower insulating plate (2), and a plurality of return springs (10) are arranged between the upper insulating plate (1) and the lower insulating plate (2);

the bottom of the upper insulating plate (1) is connected with an upper conducting strip (5), the bottom of the upper conducting strip (5) is provided with a conducting probe (7), and the end part of the upper conducting strip (5) is provided with a negative conducting electrode (3);

the upper part of the lower insulating plate (2) is provided with a lower conducting strip (6), the upper part of the lower conducting strip (6) is provided with a conducting groove (8) matched with the conducting probe (7), and the end part of the lower conducting strip (6) is provided with a positive conducting electrode (4).

3. The campus access control automatic temperature measuring device of claim 2, wherein a plurality of buffer columns (9) are arranged around the conductive groove (8).

4. The campus access control automatic temperature measuring device according to claim 1, wherein the temperature measuring ring (12) is fixed right in front of a card swiping position of the card swiping device through a fixing bracket.

5. The campus access control automatic temperature measuring device of claim 4, wherein the temperature measuring ring (12) is 15-9 cm away from the card reader, so that the infrared thermocouple probe can just measure the temperature at the wrist.

6. The campus access control automatic temperature measuring device according to any one of claims 1 to 5, wherein the foot switch (13) is a square with a side length of 40-60 cm or a circle with a diameter of 40-60 cm.