CN215984903U - Explosion-proof temperature transmitter - Google Patents

Explosion-proof temperature transmitter Download PDF

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Publication number
CN215984903U
CN215984903U CN202122104945.6U CN202122104945U CN215984903U CN 215984903 U CN215984903 U CN 215984903U CN 202122104945 U CN202122104945 U CN 202122104945U CN 215984903 U CN215984903 U CN 215984903U
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CN
China
Prior art keywords
explosion
proof
transmitter
fixedly connected
wall
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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.)
Expired - Fee Related
Application number
CN202122104945.6U
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Chinese (zh)
Inventor
邱兆雨
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Shandong Zhaokong Instrument Co ltd
Original Assignee
Shandong Zhaokong Instrument Co ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Shandong Zhaokong Instrument Co ltd filed Critical Shandong Zhaokong Instrument Co ltd
Priority to CN202122104945.6U priority Critical patent/CN215984903U/en
Application granted granted Critical
Publication of CN215984903U publication Critical patent/CN215984903U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an explosion-proof temperature transmitter, which comprises an explosion-proof shell, wherein a dial plate is fixedly arranged on the front side of the explosion-proof shell, an explosion-proof plate is fixedly arranged on the outer side of the dial plate, a cooling fan is fixedly arranged on the back side of the explosion-proof shell, a wiring hole is fixedly connected to the middle part of the top end of the explosion-proof shell, an installation seat is fixedly connected to the middle part of the bottom end of the explosion-proof shell, a connecting seat is fixedly connected to the bottom end of the installation seat, a flange plate is fixedly connected to the middle part of the bottom end of the connecting seat, a protection pipe is connected to the middle part of the bottom end of the flange plate in a flange manner, a pressure relief valve is fixedly communicated with the top of the protection pipe, threads are arranged in the middle of the outer wall of the protection pipe, and fixing nuts are connected to the threads; the utility model reduces the pressure applied to the interior of the explosion-proof shell by installing the pressure release valve, reduces the temperature of the interior of the transmitter by installing the cooling fan, improves the stability of the equipment, prolongs the service life of the equipment, reduces the possibility of explosion of the transmitter and ensures the safety of the equipment.

Description

Explosion-proof temperature transmitter
Technical Field
The utility model relates to the technical field of temperature transmitters, in particular to an explosion-proof temperature transmitter.
Background
The temperature transmitter is a device which converts a physical measurement signal or a common electrical signal into a standard electrical signal to be output or can output in a communication protocol mode, is mainly used for measuring and controlling temperature parameters in an industrial process, adopts a temperature measuring probe and a thermal resistor as temperature measuring elements, transmits signals output by the temperature measuring elements to a transmitter module, converts the signals into 4-20 mA current signals 0-5V/0-10V voltage signals which are in linear relation with temperature after being processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current protection, reverse protection and the like, and outputs RS485 digital signals.
In the use process of the existing temperature transmitter, a temperature measuring probe is required to be connected with a thermocouple or a thermal resistor of an element to be measured, the temperature of the thermocouple and the temperature of the thermal resistor are generally higher, when in use, the temperature transmitter is easily affected by the heat radiation of the thermocouple and the thermal resistor, so that the temperature inside the device is increased, meanwhile, the temperature transmitter is mostly exposed outside when in use, and in order to ensure the relatively sealed environment inside the transmitter, the shell is generally thick and solid, therefore, the heat generated by the battery and the circuit board in the device during operation and the heat conducted by the element to be tested can not be effectively dissipated, thereby lead to the inside temperature of device casing higher, not only can influence temperature transmitter's normal use, lead to the precision that detects relatively poor, reduce life, still can lead to the changer main part to explode even, consequently, provided an explosion-proof temperature transmitter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an explosion-proof temperature transmitter to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof temperature transmitter, includes explosion-proof shell, explosion-proof shell's the fixed dial plate that is equipped with in front, the outside fixed mounting of dial plate has explosion-proof board, the middle part fixedly connected with mount pad of explosion-proof shell bottom, the middle part fixedly connected with wiring hole on explosion-proof shell top, the bottom fixedly connected with connecting seat of mount pad, the middle part fixedly connected with ring flange of connecting seat bottom, the middle part flange joint of ring flange bottom has the protection tube, the fixed intercommunication in one side of protection tube outer wall has the relief valve, connecting thread has been seted up at the middle part of protection tube outer wall, connecting thread department threaded connection has fixation nut.
Preferably, one side of the outer wall of the pressure release valve is fixedly communicated with a pressure release pipe, one side of the outer wall of the pressure release valve is in threaded connection with a rotating pipe, one side of the outer wall of the rotating pipe is fixedly connected with a shifting piece, the pressure release pipe is connected with the rotating pipe in an inserting mode, and the exhaust end of the pressure release pipe extends out of the rotating pipe.
Preferably, the explosion-proof housing has an inside heat dissipation chamber of having seted up, the inside fixed mounting of explosion-proof housing has the changer main part, one side fixed mounting of changer main part has the fin, the opposite side fixed mounting of explosion-proof housing inner wall has the cooling fan, the air-out end of cooling fan is just facing to the changer main part.
Preferably, the middle part of the bottom end of the connecting seat is fixedly connected with a temperature measuring probe, and the temperature measuring probe is connected with the inner wall of the protection tube in an inserting mode.
Preferably, heat dissipation holes are formed in two sides of the explosion-proof shell and communicated with the heat dissipation cavity.
Preferably, the fixed flush mounting plate that is equipped with in top of explosion-proof housing, flush mounting plate's fixed surface is equipped with changer main part switch and cooling fan switch, changer main part and cooling fan pass through changer main part switch and cooling fan switch and external power supply electric connection respectively.
The utility model has the technical effects and advantages that:
(1) the pressure relief valve is fixedly communicated with the protection tube, so that when the detection end of the transmitter is in contact with a high-temperature environment, high pressure generated in the protection tube can be discharged through the pressure relief pipe on the pressure relief valve, the pressure applied to the interior of the explosion-proof shell is reduced, the explosion risk of the transmitter is reduced, and the explosion-proof shell is made of explosion-proof materials, so that the safety of a transmitter main body and related operators is protected;
(2) through the inside heating panel and the cooling fan and the louvre that set up of explosion-proof housing, a large amount of heats that temperature transmitter inside produced in the use have been gived off for the inside temperature of transmitter in the use can keep at lower level, not only makes the operating temperature of circuit board and power healthier, has improved the stability and the life of equipment, has still reduced because of battery or the overheated possibility that leads to the transmitter explosion of chip, has guaranteed the security of equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a transmitter body of the present invention;
fig. 3 is a schematic structural diagram of the pressure relief valve of the present invention.
In the figure: 1. an explosion-proof housing; 2. an explosion-proof plate; 3. a wiring hole; 4. a mounting seat; 5. a connecting seat; 6. a flange plate; 7. protecting the tube; 8. a pressure relief valve; 9. connecting threads; 10. fixing a nut; 11. a temperature measuring probe; 12. a pressure relief pipe; 13. rotating the tube; 14. a shifting sheet; 15. a transmitter body; 16. a heat dissipation plate; 17. a cooling fan; 18. heat dissipation holes; 19. a switch panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an explosion-proof temperature transmitter as shown in figures 1-3, which comprises an explosion-proof shell 1, wherein a dial plate is fixedly arranged on the front side of the explosion-proof shell 1, an explosion-proof plate 2 is fixedly arranged on the outer side of the dial plate, the middle part of the bottom end of the explosion-proof shell 1 is fixedly connected with an installation seat 4, the middle part of the top end of the explosion-proof shell 1 is fixedly connected with a wiring hole 3, the bottom end of the installation seat 4 is fixedly connected with a connecting seat 5, the middle part of the bottom end of the connecting seat 5 is fixedly connected with a flange 6, the middle part of the bottom end of the flange 6 is connected with a protecting tube 7 in a flange manner, one side of the outer wall of the protecting tube 7 is fixedly communicated with a pressure release valve 8, the middle part of the outer wall of the protecting tube 7 is provided with a connecting thread 9, the thread at the connecting thread 9 is connected with a fixing nut 10, the middle part of the bottom end of the connecting seat 5 is fixedly connected with a temperature measuring probe 11, and the temperature measuring probe 11 is connected with the inner wall of the protecting tube 7 in an inserting manner;
according to the illustration in fig. 1-3, a pressure relief pipe 12 is fixedly communicated with one side of the outer wall of the pressure relief valve 8, a rotating pipe 13 is connected with one side of the outer wall of the pressure relief valve 8 through threads, a shifting piece 14 is fixedly connected with one side of the outer wall of the rotating pipe 13, the pressure relief pipe 12 is connected with the rotating pipe 13 in an inserting manner, the rotating pipe 13 extends out of the exhaust end of the pressure relief pipe 12, a heat dissipation cavity is formed inside the explosion-proof housing 1, a transmitter main body 15 is fixedly installed inside the explosion-proof housing 1, a heat dissipation plate 16 is fixedly installed on one side of the transmitter main body 15, a cooling fan 17 is fixedly installed on the other side of the inner wall of the explosion-proof housing 1, the air outlet end of the cooling fan 17 faces the transmitter main body 15, heat dissipation holes 18 are formed in both sides of the explosion-proof housing 1, the heat dissipation holes 18 are communicated with the heat dissipation cavity, a switch panel 19 is fixedly arranged at the top end of the explosion-proof housing 1, and a transmitter main body switch and a cooling fan switch are fixedly arranged on the surface of the switch panel 19, the transmitter main body 15 and the cooling fan 17 are electrically connected with an external power supply through a transmitter main body switch and a cooling fan switch respectively.
The working principle of the utility model is as follows: when the temperature measuring device is installed, the temperature measuring probe 11 is contacted with a component or environment to be detected, then the temperature measuring probe is connected with an object to be detected through a thread 9 arranged on the protection pipe 7 and is fixed through the fixing nut 10, finally, an external power supply is connected through the wiring hole 3, when the temperature measuring device is used, a temperature signal detected by the temperature measuring probe 11 is converted through the transmitter main body 15 and is displayed on a display screen into a readable signal, heat is conducted into the heat dissipation cavity through the protection pipe 7 in a heat radiation mode, when the temperature of the object to be detected is overhigh, the temperature measuring probe 11 receives a large amount of heat radiation, so that air in the protection pipe 7 is heated and expanded, the pressure is intensified, the pressure release valve 8 is started immediately, the pressure is discharged from the pressure release pipe 12, the rotating pipe 13 can be rotated by poking the poking piece 14, the orientation of the exhaust end of the pressure release pipe 12 is changed, and the injury to personnel or other objects during pressure release is avoided, transmitter main part 15 can produce the heat equally at the operation in-process, and these heats are in the heat dissipation chamber of being led through the effect of heating panel 16, and the air-out end of cooling fan 17 is just facing transmitter main part 15, and the heat can be arranged to the external world from louvre 18 under the effect of cooling fan 17, and this use is novel has reduced the inside pressure of changer, has reduced the inside temperature of changer operation, has reduced the risk of temperature transmitter explosion, has improved temperature transmitter's life and security.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An explosion-proof temperature transmitter comprises an explosion-proof shell (1) and is characterized in that a dial plate is fixedly arranged on the front surface of the explosion-proof shell (1), an explosion-proof plate (2) is fixedly arranged on the outer side of the dial plate, a mounting seat (4) is fixedly connected with the middle part of the bottom end of the explosion-proof shell (1), the middle part of the top end of the explosion-proof shell (1) is fixedly connected with a wiring hole (3), the bottom end of the mounting seat (4) is fixedly connected with a connecting seat (5), the middle part of the bottom end of the connecting seat (5) is fixedly connected with a flange plate (6), the middle flange at the bottom end of the flange plate (6) is connected with a protective pipe (7), a pressure release valve (8) is fixedly communicated with one side of the outer wall of the protection tube (7), connecting threads (9) are formed in the middle of the outer wall of the protection tube (7), and fixing nuts (10) are connected to the connecting threads (9) in a threaded mode.
2. The explosion-proof temperature transmitter of claim 1, wherein a pressure relief pipe (12) is fixedly communicated with one side of the outer wall of the pressure relief valve (8), a rotating pipe (13) is connected with one side of the outer wall of the pressure relief valve (8) in a threaded manner, a shifting piece (14) is fixedly connected with one side of the outer wall of the rotating pipe (13), the pressure relief pipe (12) is inserted and connected with the rotating pipe (13), and an exhaust end of the pressure relief pipe (12) extends out of the rotating pipe (13).
3. The explosion-proof temperature transmitter of claim 1, characterized in that a heat dissipation cavity is opened inside the explosion-proof housing (1), a transmitter main body (15) is fixedly installed inside the explosion-proof housing (1), a heat dissipation plate (16) is fixedly installed on one side of the transmitter main body (15), a cooling fan (17) is fixedly installed on the other side of the inner wall of the explosion-proof housing (1), and the air outlet end of the cooling fan (17) faces the transmitter main body (15).
4. The explosion-proof temperature transmitter of claim 1, wherein a temperature measuring probe (11) is fixedly connected to the middle of the bottom end of the connecting seat (5), and the temperature measuring probe (11) is inserted into and connected with the inner wall of the protection tube (7).
5. The explosion-proof temperature transmitter of claim 1, characterized in that both sides of the explosion-proof housing (1) are provided with heat dissipation holes (18), and the heat dissipation holes (18) are communicated with the heat dissipation cavity.
6. The explosion-proof temperature transmitter of claim 3, wherein a switch panel (19) is fixedly arranged at the top end of the explosion-proof housing (1), a transmitter main body switch and a cooling fan switch are fixedly arranged on the surface of the switch panel (19), and the transmitter main body (15) and the cooling fan (17) are respectively electrically connected with an external power supply through the transmitter main body switch and the cooling fan switch.
CN202122104945.6U 2021-09-02 2021-09-02 Explosion-proof temperature transmitter Expired - Fee Related CN215984903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122104945.6U CN215984903U (en) 2021-09-02 2021-09-02 Explosion-proof temperature transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122104945.6U CN215984903U (en) 2021-09-02 2021-09-02 Explosion-proof temperature transmitter

Publications (1)

Publication Number Publication Date
CN215984903U true CN215984903U (en) 2022-03-08

Family

ID=80582766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122104945.6U Expired - Fee Related CN215984903U (en) 2021-09-02 2021-09-02 Explosion-proof temperature transmitter

Country Status (1)

Country Link
CN (1) CN215984903U (en)

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Granted publication date: 20220308