CN210038504U

CN210038504U - PE cabinet temperature monitoring device

Info

Publication number: CN210038504U
Application number: CN201921236328.8U
Authority: CN
Inventors: 骆海东; 张再秀
Original assignee: Panzhihua Steel City Rui Feng Cement Co Ltd Of Group
Current assignee: Panzhihua Steel City Rui Feng Cement Co Ltd Of Group
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-02-07
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a PE cabinet temperature monitoring device, including PE cabinet, temperature monitor and temperature alarm casing, the inside fixed mounting of PE cabinet has the baffle, temperature monitor fixed mounting is in the upper surface of PE cabinet, temperature monitor's inside fixed mounting has the baffle, the through-hole has been seted up at the middle part of baffle, the below of through-hole is equipped with the leaded light stick, the bottom of leaded light stick runs through the upper surface of PE cabinet and the upper surface of baffle in proper order and extends to the below of baffle. The utility model relates to a rational in infrastructure, it can collect the inside infrared ray of PE cabinet through the leaded light stick, according to the leaded light nature of leaded light stick infrared conduction in the PE cabinet to the infrared thermopile temperature sensor in the temperature monitoring system, through the temperature monitoring function and the temperature alarming function that back level circuit realized PE cabinet temperature monitoring device again, this technique is applicable to the PE cabinet that has the multilayer baffle, when implementing temperature monitoring, can simplify the overall arrangement of temperature sensing device.

Description

PE cabinet temperature monitoring device

Technical Field

The utility model relates to a safety cabinet technical field specifically is a PE cabinet temperature monitoring device.

Background

What mention in this technique is a temperature monitoring device of PE cabinet, and the PE cabinet is a plastic cabinet for hold chemistry experiment article or as usage such as switch board, because of the acidproof of PE material, alkaline ability, the storage cabinet of the strong corrosivity chemical of PE material, its corrosion resistance can be revealed with the secondary and prevent and control the performance superiorly, can provide better safety guarantee for the article of its inside storage.

Because of the usage such as PE cabinet is used for holding chemical experiment article or as switch board, consequently the inside temperature change of PE cabinet is the important index of reflecting its inside factor of safety, for the condition that leads to the temperature to rise because of the accident of avoiding its inside article, and influence its storage function or take place dangerous accident, it becomes very important to monitor the inside temperature of PE cabinet. Therefore, the PE cabinet temperature monitoring device solves the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a PE cabinet temperature monitoring device in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a PE cabinet temperature monitoring device comprises a PE cabinet, a temperature monitor and a temperature alarm shell, wherein a partition plate is fixedly installed inside the PE cabinet, the temperature monitor is fixedly installed on the upper surface of the PE cabinet, a baffle is fixedly installed inside the temperature monitor, a through hole is formed in the middle of the baffle, a light guide rod is arranged below the through hole, and the bottom end of the light guide rod sequentially penetrates through the upper surface of the PE cabinet and the upper surface of the partition plate and extends to the lower side of the partition plate;

the temperature monitoring system is arranged in the temperature monitor and comprises an infrared thermopile temperature sensor, an operational amplifier module, a single chip microcomputer, a radio emission module and an emission antenna, wherein the infrared thermopile temperature sensor is electrically connected with the operational amplifier module, the operational amplifier module is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the radio emission module, the radio emission module is electrically connected with the emission antenna, the emission antenna is fixedly arranged on the upper surface of the temperature monitor, the infrared thermopile temperature sensor is fixedly arranged on the upper surface of the baffle, and the infrared thermopile temperature sensor is positioned right above the through hole;

the temperature alarm device comprises a temperature alarm device shell, and is characterized in that a temperature alarm system is arranged in the temperature alarm device shell, the temperature alarm system comprises a receiving antenna, a radio receiving module, a signal processing module, a nixie tube temperature display and an audible and visual alarm device, the receiving antenna is electrically connected with the radio receiving module, the radio receiving module is electrically connected with the signal processing module, the signal processing module is electrically connected with the nixie tube temperature display, and the nixie tube temperature display is electrically connected with the audible and visual alarm device, wherein the receiving antenna is fixedly arranged on the upper surface of the temperature alarm device shell, and the nixie tube temperature display and the audible and visual alarm device are fixedly embedded in the front surface of;

the temperature monitoring system and the temperature alarm system realize wireless communication through the transmitting antenna and the receiving antenna.

Further, the bottom surface fixed mounting of baffle has convex lens, convex lens is located the through-hole under, and convex lens is located the leaded light stick directly over.

Furthermore, the light guide rod is a colorless transparent solid round rod made of polycarbonate.

Further, the single chip microcomputer 303 selects a single chip microcomputer chip with the model number of STC8952 from a 51 single chip microcomputer series.

Further, the operational amplifier module 302 is an operational amplifier with a model number LM 358.

Further, the model of the infrared thermopile temperature sensor 301 is G-TPSF 814.

III) beneficial effects

Compared with the prior art, this PE cabinet temperature monitoring device possesses following beneficial effect:

firstly, the method comprises the following steps: the utility model discloses an inside infrared ray of PE cabinet is collected to leaded light stick, infrared thermopile temperature sensor in infrared conduction to the temperature monitoring system in to the PE cabinet according to the leaded light nature of leaded light stick, through the temperature monitoring function and the temperature alarming function that back-end circuit realized PE cabinet temperature monitoring device again, the utility model discloses the scheme is applicable to the PE cabinet that has the multilayer baffle, when implementing temperature monitoring, can simplify the overall arrangement of temperature sensing device to can realize more sensitive temperature monitoring function, can effectively avoid the inside article of PE cabinet to lead to the temperature to rise because of the unexpected condition, and influence its condition of storing the function or taking place the dangerous accident.

Secondly, the method comprises the following steps: the utility model discloses a temperature monitoring system and temperature alarm system of disconnect-type to through the design that utilizes wireless communication between temperature monitoring system and the temperature alarm system, but the inside temperature parameter of remote monitoring PE cabinet, and have temperature alarming function, be favorable to the monitoring personnel in time to discover the abnormal change of the inside temperature of PE cabinet, in time get rid of the potential safety hazard.

Drawings

FIG. 1 is a schematic view of the installation of the temperature monitor of the present invention;

FIG. 2 is a cross-sectional view of the temperature monitor of the present invention;

FIG. 3 is a perspective view of the housing of the temperature alarm of the present invention;

fig. 4 is a system diagram of the temperature monitoring system and the temperature alarm system of the present invention.

In the figure: 1. a PE cabinet; 2. a partition plate; 3. a temperature monitor; 301. an infrared thermopile temperature sensor; 302. an operational amplifier module; 303. a single chip microcomputer; 304. a radio transmission module; 305. a transmitting antenna; 4. A light guide rod; 5. a baffle plate; 6. a through hole; 7. a convex lens; 8. a temperature alarm housing; 801. a receiving antenna; 802. a radio receiving module; 803. a signal processing module; 804. a nixie tube temperature display; 805. an audible and visual alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a PE cabinet temperature monitoring device comprises a PE cabinet 1, a temperature monitor 3 and a temperature alarm shell 8, please refer to FIGS. 1 and 2, a partition plate 2 is fixedly installed inside the PE cabinet 1, the temperature monitor 3 is fixedly installed on the upper surface of the PE cabinet 1, a baffle plate 5 is fixedly installed inside the temperature monitor 3, a through hole 6 is formed in the middle of the baffle plate 5, a light guide rod 4 is arranged below the through hole 6, and the bottom end of the light guide rod 4 sequentially penetrates through the upper surface of the PE cabinet 1 and the upper surface of the partition plate 2 and extends to the lower side of the partition plate 2;

please refer to fig. 2 and fig. 4 again, a temperature monitoring system is disposed inside the temperature monitor 3, the temperature monitoring system includes an infrared thermopile temperature sensor 301, an operational amplifier module 302, a single chip microcomputer 303, a radio transmitter module 304 and a transmitting antenna 305, the infrared thermopile temperature sensor 301 is electrically connected to the operational amplifier module 302, the operational amplifier module 302 is electrically connected to the single chip microcomputer 303, the single chip microcomputer 303 is electrically connected to the radio transmitter module 304, the radio transmitter module 304 is electrically connected to the transmitting antenna 305, wherein the transmitting antenna 305 is fixedly mounted on the upper surface of the temperature monitor 3, the infrared thermopile temperature sensor 301 is fixedly mounted on the upper surface of the baffle 5, and the infrared thermopile temperature sensor 301 is located right above the through hole 6;

please refer to fig. 3 and fig. 4 again, a temperature alarm system is disposed inside the temperature alarm housing 8, the temperature alarm system includes a receiving antenna 801, a radio receiving module 802, a signal processing module 803, a nixie tube temperature display 804 and an audible and visual alarm 805, the receiving antenna 801 is electrically connected to the radio receiving module 802, the radio receiving module 802 is electrically connected to the signal processing module 803, the signal processing module 803 is electrically connected to the nixie tube temperature display 804, the nixie tube temperature display 804 is electrically connected to the audible and visual alarm 805, wherein the receiving antenna 801 is fixedly mounted on the upper surface of the temperature alarm housing 8, and the nixie tube temperature display 804 and the audible and visual alarm 805 are both fixedly embedded in the front surface of the temperature alarm housing 8;

the temperature monitoring system and the temperature alarm system realize wireless communication through the transmitting antenna 305 and the receiving antenna 801.

Further, the bottom surface of baffle 5 is fixed with convex lens 7, and convex lens 7 is located the through-hole 6 under, and convex lens 7 is located the leaded light stick 4 directly over. Through convex lens 7, can make the infrared ray of leading out in the leaded light stick 4 focus on infrared thermopile temperature sensor 301, can improve infrared thermopile temperature sensor 301's work sensitivity, guarantee this temperature monitoring device's the control precision to the temperature.

Further, the light guide rod 4 is a colorless transparent solid round rod made of polycarbonate. The polycarbonate has good light transmission, and has the characteristics of corrosion resistance and ageing resistance, and the scheme can further improve the reliability and prolong the service life of the temperature monitoring device. Further, the single chip microcomputer 303 selects a single chip microcomputer chip with the model number of STC8952 from a 51 single chip microcomputer series. The single chip microcomputer chip with the model STC8952 in the 51 single chip microcomputer series has the characteristics of high performance and low power consumption, has better service performance, and can further improve the working stability of the temperature monitoring device.

Further, the operational amplifier module 302 is an operational amplifier with a model number LM 358. The LM358 operational amplifier has high voltage gain, wide gain frequency band and low price, not only can ensure the electrical performance of the temperature monitoring circuit, but also can further save the production cost of the device.

Further, the infrared thermopile temperature sensor 301 is of the type G-TPSF 814. The infrared thermal temperature sensor with the model G-TPSF814 has high infrared responsivity, high repeatability and high reliability, a thermistor chip is arranged in the infrared thermal temperature sensor, the ambient temperature can be compensated, the scheme can further improve the electrical performance of the temperature monitoring device, and the working reliability and the service life of the temperature monitoring device are guaranteed.

The working principle is as follows: referring to fig. 2 and 4 again, in operation, when the temperature inside the PE cabinet 1 changes, the intensity of the infrared ray inside the PE cabinet 1 changes, the light guide rod 4 is used to collect the infrared ray inside the PE cabinet 1, the infrared ray inside the PE cabinet 1 is transmitted to the infrared thermopile temperature sensor 301 inside the temperature monitor 3 according to the light guide property of the light guide rod 4, so as to cause the current signal of the infrared thermopile temperature sensor 301 to change, then the current change signal of the infrared thermopile temperature sensor 301 is amplified by the operational amplifier module 302, the current signal from the operational amplifier module 302 is processed by the program preset in the single chip microcomputer 303 to be converted into an analog signal, and then the analog signal is transmitted to the receiving antenna 801 and the radio receiving module 802 by the radio transmitting module 304 and the transmitting antenna 305, and finally the temperature signal is processed by the program preset in the signal processing module 803 to be provided to the nixie tube temperature display 804, the nixie tube temperature display 804 displays a corresponding temperature value, and controls the working state of the audible and visual alarm 805 according to the threshold value of the alarm temperature set by the internal program of the signal processing module 803, so that the temperature monitoring function and the temperature alarm function of the PE cabinet temperature monitoring device can be realized.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PE cabinet temperature monitoring device, includes PE cabinet (1), temperature monitor (3) and temperature alarm casing (8), its characterized in that: the temperature monitoring device is characterized in that a partition plate (2) is fixedly mounted inside the PE cabinet (1), the temperature monitor (3) is fixedly mounted on the upper surface of the PE cabinet (1), a baffle plate (5) is fixedly mounted inside the temperature monitor (3), a through hole (6) is formed in the middle of the baffle plate (5), a light guide rod (4) is arranged below the through hole (6), and the bottom end of the light guide rod (4) sequentially penetrates through the upper surface of the PE cabinet (1) and the upper surface of the partition plate (2) and extends to the lower portion of the partition plate (2);

a temperature monitoring system is arranged in the temperature monitor (3), the temperature monitoring system comprises an infrared thermopile temperature sensor (301), an operational amplifier module (302), a singlechip (303), a radio transmitting module (304) and a transmitting antenna (305), the infrared thermopile temperature sensor (301) is electrically connected with the operational amplifier module (302), the operational amplifier module (302) is electrically connected with the singlechip (303), the singlechip (303) is electrically connected with the radio emission module (304), the radio transmission module (304) is electrically connected with a transmission antenna (305), wherein, the transmitting antenna (305) is fixedly arranged on the upper surface of the temperature monitor (3), the infrared thermopile temperature sensor (301) is fixedly arranged on the upper surface of the baffle (5), the infrared thermopile temperature sensor (301) is positioned right above the through hole (6);

a temperature alarm system is arranged in the temperature alarm shell (8), the temperature alarm system comprises a receiving antenna (801), a radio receiving module (802), a signal processing module (803), a nixie tube temperature display (804) and an audible and visual alarm (805), the receiving antenna (801) is electrically connected with a radio receiving module (802), the radio receiving module (802) is electrically connected with a signal processing module (803), the signal processing module (803) is electrically connected with a nixie tube temperature display (804), the nixie tube temperature display (804) is electrically connected with the audible and visual alarm (805), wherein the receiving antenna (801) is fixedly arranged on the upper surface of the temperature alarm shell (8), the nixie tube temperature display (804) and the audible and visual alarm (805) are fixedly embedded in the front of the temperature alarm shell (8);

the temperature monitoring system and the temperature alarm system realize wireless communication through a transmitting antenna (305) and a receiving antenna (801).

2. The PE cabinet temperature monitoring device according to claim 1, wherein: the bottom surface fixed mounting of baffle (5) has convex lens (7), convex lens (7) are located through-hole (6) under, and convex lens (7) are located leaded light stick (4) directly over.

3. The PE cabinet temperature monitoring device according to claim 1, wherein: the light guide rod (4) is a colorless transparent solid round rod made of polycarbonate.

4. The PE cabinet temperature monitoring device according to claim 1, wherein: the single chip microcomputer (303) is a single chip microcomputer chip with the model number of STC8952 in the 51 single chip microcomputer series.

5. The PE cabinet temperature monitoring device according to claim 1, wherein: the operational amplifier module (302) is an operational amplifier with the model number of LM 358.

6. The PE cabinet temperature monitoring device according to claim 1, wherein: the model of the infrared thermopile temperature sensor (301) is G-TPSF 814.