CN210346931U - Explosion-proof thermal resistor with temperature transmitter - Google Patents
Explosion-proof thermal resistor with temperature transmitter Download PDFInfo
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- CN210346931U CN210346931U CN201921361420.7U CN201921361420U CN210346931U CN 210346931 U CN210346931 U CN 210346931U CN 201921361420 U CN201921361420 U CN 201921361420U CN 210346931 U CN210346931 U CN 210346931U
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Abstract
The utility model discloses an explosion-proof thermal resistor with a temperature transmitter, which belongs to the technical field of thermal resistors, and comprises a junction box, a temperature transmitter, a first power supply electric shock block, a stainless steel protection tube, a second power supply electric shock block and a resistor core body, wherein the temperature transmitter is clamped in the inner cavity of the junction box, the bottom of the temperature transmitter is electrically connected with the first power supply electric shock block, the bottom of the junction box is provided with an installation tube, the inner wall of the installation tube is lathed with a first thread, the outer wall of the top wall of the stainless steel protection tube is lathed with a second thread, the installation tube is connected with the stainless steel protection tube through the first thread, the second thread and the stainless steel protection tube thread, the inner wall of the top of the stainless steel protection tube is clamped with the second power supply electric shock block, the second power supply electric shock block is electrically connected with an electric connecting wire, the other end of the electric connecting wire is electrically connected with, the utility model discloses make things convenient for the change dismouting of thermal resistance, labour saving and time saving.
Description
Technical Field
The utility model relates to a thermal resistor technical field specifically is a take temperature transmitter's explosion-proof thermal resistor.
Background
The temperature is a basic physical quantity, all processes in nature are not closely related to the temperature, the thermal resistor is the most commonly used temperature detector in the middle and low temperature regions, the thermal resistor has the main characteristics of high measurement precision and stable performance, the measurement precision of the platinum thermal resistor is the highest, the platinum thermal resistor is used as a sensor for measuring the temperature, the thermal resistor can convert temperature information into a usable output signal, the thermal resistor has wide application and huge market share, and the thermal resistor with an explosion-proof function is required in some specific environments.
The existing explosion-proof thermal resistor is usually installed in an integrated mode, if parts inside the junction box are damaged, the whole thermal resistor is often required to be replaced, and the replacement mode is time-consuming and labor-consuming and wastes time and cost.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The utility model discloses in view of above-mentioned and/or the problem that exists in the current explosion-proof thermal resistance who takes temperature transmitter, provided the utility model.
Therefore, the utility model aims at providing a take temperature transmitter's explosion-proof thermal resistance, can solve above-mentioned proposition if the inside part of terminal box takes place to damage, often need to change whole thermal resistance, this kind of change mode is wasted time and energy, the problem of waste time and cost.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
an explosion-proof thermal resistor with a temperature transmitter, comprising: the temperature-sensing resistor comprises a junction box, a temperature transmitter, a first power supply electric-contact block, a stainless steel protection tube, a second power supply electric-contact block and a resistor core body, wherein the temperature transmitter is clamped in an inner cavity of the junction box, the bottom of the temperature transmitter is electrically connected with the first power supply electric-contact block, a display screen is screwed on the rear wall of the junction box and is electrically connected with the temperature transmitter, an installation tube is arranged at the bottom of the junction box, a first thread is lathed on the inner wall of the installation tube, a second thread is lathed on the outer wall of the top wall of the stainless steel protection tube, the installation tube is in threaded connection with the stainless steel protection tube through the first thread, the second thread is lathed on the outer wall of the top of the stainless steel protection tube, the second power supply electric-contact block is electrically connected with an electric connecting wire, the other end of the electric connecting wire is electrically connected with the resistor core body, the stainless steel protection tube is filled with a heat conduction insulation packing layer in gaps among the electric connecting wire, the resistor core and the insulating tube, a flange plate is fixedly sleeved on the outer wall of the stainless steel protection tube, and a threaded hole is communicated between the top wall and the bottom wall of the flange plate.
As a preferred scheme of taking temperature transmitter's explosion-proof thermal resistance, wherein: the top pin joint of terminal box has the lid, the fixed first anticreep chain mount pad that is equipped with in top of lid, fixed mounting has the anticreep chain on the first anticreep chain mount pad, the other end and the second anticreep chain mount pad fixed connection of anticreep chain, second anticreep chain mount pad fixed mounting is in the antetheca of terminal box, the left side wall of terminal box runs through and the joint has the wiring mouth.
As a preferred scheme of taking temperature transmitter's explosion-proof thermal resistance, wherein: and sealing rubber rings are fixed on the bottom wall of the mounting pipe and the top wall of the stainless steel protection pipe.
As a preferred scheme of taking temperature transmitter's explosion-proof thermal resistance, wherein: the heat-conducting insulating packing layer adopts a quartz sand filling layer.
Compared with the prior art: the explosion-proof thermal resistor with the temperature transmitter is provided with a junction box, a mounting pipe, the temperature transmitter, a first power supply electric contact block, a stainless steel protection pipe, a second power supply contact block, an electric connecting wire, a resistor core body and an insulating pipe, wherein the mounting pipe is arranged at the bottom of the junction box and is fixedly connected with the second thread at the top of the stainless steel protection pipe through the first thread, the temperature transmitter is clamped in an inner cavity of the junction box, the bottom of the temperature transmitter is electrically connected with the first power supply electric contact block, the second power supply electric contact block is clamped on the inner wall of the top of the stainless steel protection pipe, when the mounting pipe at the bottom of the junction box is fixedly connected with the stainless steel protection pipe, the first power supply contact block and the second power supply contact block are contacted and electrified, the second contact block is electrified through the electric connecting wire and the resistor core body, the design ensures that the top of the junction box can be directly disassembled from the first thread and the second thread and replaced when internal components, the whole anti-explosion thermal resistor is not required to be detached from the pipeline, the replacement mode is convenient and fast, and the time and the cost are saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic diagram of an anti-explosion thermal resistor with a temperature transmitter according to the present invention;
FIG. 2 is a schematic view of the junction box structure and the connection with the stainless steel protection tube of the present invention;
fig. 3 is a rear view of the junction box of the present invention;
fig. 4 is a schematic view of the installation of the explosion-proof thermal resistor with a temperature transmitter of the present invention.
In the figure, a 100 junction box, a 110 mounting tube, a 111 first thread, a 120 box cover, a 130 first anti-drop chain mounting seat, a 140 anti-drop chain, a 150 second anti-drop chain mounting seat, a 160 wiring port, a 200 temperature transmitter, a 210 first power supply contact block, a 300 display screen, a 400 stainless steel protection tube, a 410 second thread, a 420 second power supply contact block, a 500 electric connecting wire, a 600 resistance core body, a 700 insulating tube, a 800 heat-conducting insulating filler layer, a 900 flange plate and a threaded hole 910 are arranged.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a take temperature transmitter's explosion-proof thermal resistance, please refer to fig. 1 and fig. 2, include: the temperature sensor comprises a junction box 100, a temperature transmitter 200, a first power supply electric contact block 210, a stainless steel protection tube 400, a second power supply electric contact block 410 and a resistor core body 600;
referring to fig. 2, a temperature transmitter 200 is clamped in an inner cavity of the junction box 100, the temperature transmitter 200 is used for converting a resistance value into a temperature digital signal through operation and outputting the temperature digital signal, and the bottom of the temperature transmitter 200 is electrically connected with a first power supply contact block 210;
referring to fig. 3, a display screen 300 is screwed on the rear wall of the junction box 100, the display screen 300 is electrically connected to the temperature transmitter 200, and the display screen 300 is used for displaying the numerical value calculated by the temperature transmitter 200;
referring to fig. 1 and 2, a mounting tube 110 is disposed at the bottom of the junction box 100, the mounting tube 110 is used for connecting the junction box 100 with a stainless steel protection tube 400, and a first thread 111 is lathed on the inner wall of the mounting tube 110;
referring to fig. 1 and 2, a second thread 410 is lathed on an outer sidewall of a top wall of the stainless steel protection tube 400, the mounting tube 110 is in threaded connection with the stainless steel protection tube 400 through the first thread 111 and the second thread 410, a second power contact block 420 is clamped on an inner wall of the top of the stainless steel protection tube 400, the second power contact block 420 is in contact with and energized by the first power contact block 210 when the mounting tube 110 and the stainless steel protection tube 400 are fixedly connected, the second power contact block 420 is electrically connected with an electrical connection wire 500, the other end of the electrical connection wire 500 is electrically connected with the resistor core 600, the resistor core 600 is made of platinum metal, a resistance value of the resistor changes according to a change of fluid in a pipeline, and the resistance value is transmitted to the temperature transmitter 200 through the electrical connection wire 500, the second power contact block 410 and the first power contact block 210;
referring to fig. 1, an insulating tube 700 is sleeved on an outer wall of an electrical connection wire 500, the insulating tube 700 is used for insulating between a stainless steel protection tube 400 and the electrical connection wire 500, gaps between the stainless steel protection tube 400 and the electrical connection wire 500, and gaps between a resistor core 600 and the insulating tube 700 are filled with a heat-conducting insulating filler layer 800, and the heat-conducting insulating filler layer 800 enhances the anti-seismic performance of a thermal resistor without affecting the temperature sensing of the resistor core 600 on fluid in a pipeline;
referring to fig. 1 and 4, a flange 900 is fixedly sleeved on the outer wall of the stainless steel protection tube 400, a threaded hole 910 penetrates through the top wall and the bottom wall of the flange 900, the flange 900 is used for fixedly mounting a thermal resistor and a pipeline, threads are turned in the threaded hole 910, and the flange is fixed with the pipeline through bolts;
referring to fig. 1, a box cover 120 is pinned to the top of a junction box 100 and used for protecting components inside the junction box 100, a first anti-drop chain mounting base 130 is fixedly arranged on the top of the box cover 120, an anti-drop chain 140 is fixedly mounted on the first anti-drop chain mounting base 130, the other end of the anti-drop chain 140 is fixedly connected with a second anti-drop chain mounting base 150, the second anti-drop chain mounting base 150 is fixedly mounted on the front wall of the junction box 100, the first anti-drop chain mounting base 130, the anti-drop chain 140 and the second anti-drop chain mounting base 150 jointly prevent the box cover 120 from dropping when being opened, a wire connection port 160 penetrates through and is clamped on the left side wall of the junction box 100, and the wire connection port 160 is used for connecting in and out a circuit;
sealing rubber rings are fixed on the bottom wall of the mounting pipe 110 and the top wall of the stainless steel protection pipe 400, so that the sealing performance between the junction box 100 and the stainless steel protection pipe 400 is enhanced;
the heat-conducting insulating packing layer 800 adopts a quartz sand packing layer, the quartz sand is thin in texture and good in heat-conducting insulating property, gaps among the stainless steel pipe 400, the electric connecting wire 500, the resistor core body 600 and the insulating pipe 700 can be perfectly filled, and the anti-seismic property is enhanced;
when the connector is used specifically, a person skilled in the art needs to fix the flange 900 to the pipeline through the threaded hole 910, at this time, the end of the stainless steel protection tube 400 is inserted into the pipeline, the installation tube 110 at the bottom of the connector box 100 is connected and fixed through the first thread 111 and the second thread 410 at the top of the stainless steel protection tube 400, at this time, the first power contact block 210 and the second power contact block 420 are in contact and energized, the second power contact block 420 is connected with the resistor core 600 through the electrical connection wire 500, the resistance value of the resistor core 600 is changed through the change of the fluid temperature in the pipeline, and data is transmitted to the temperature transmitter through the electrical connection wire 500, the second power contact block 420 and the first power contact block 210 to be converted into digital signals to be displayed on the display screen 300, when a component in the connector box 100 is damaged, the connector box 100 can be directly detached from the top of the stainless steel protection tube 400 through the first thread 111 and the second thread 410, is convenient and quick.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a take temperature transmitter's explosion-proof thermal resistance which characterized in that: including terminal box (100), temperature transmitter (200), first power touch electric block (210), stainless steel protection pipe (400), second power touch electric block (420) and resistance core (600), the inner chamber joint of terminal box (100) has temperature transmitter (200), the bottom and the first power of temperature transmitter (200) touch electric block (210) electric connection, the back wall spiro union of terminal box (100) has display screen (300), display screen (300) and temperature transmitter (200) electric connection, the bottom of terminal box (100) is equipped with installation pipe (110), the inner wall car of installation pipe (110) has first screw thread (111), the roof lateral wall car of stainless steel protection pipe (400) has second screw thread (410), installation pipe (110) are through first screw thread (111), second screw thread (410) and stainless steel protection pipe (400) threaded connection, the top inner wall joint of stainless steel protection tube (400) has second power to touch electric piece (420), second power touches electric piece (420) and electric connecting wire (500) electric connection, the other end and the resistance core (600) electric connection of electric connecting wire (500), insulating tube (700) have been cup jointed to the outer wall of electric connecting wire (500), it has heat conduction insulating packing layer (800) to fill in the space between stainless steel protection tube (400) and electric connecting wire (500), resistance core (600) and insulating tube (700), flange dish (900) have been cup jointed to the outer wall of stainless steel protection tube (400) fixed, it has screw hole (910) to link up between the roof and the diapire of flange dish (900).
2. The explosion-proof thermal resistor with the temperature transmitter as claimed in claim 1, wherein: the top pin joint of terminal box (100) has lid (120), the fixed first anticreep chain mount pad (130) that is equipped with in top of lid (120), fixed mounting has anticreep chain (140) on first anticreep chain mount pad (130), the other end and the second anticreep chain mount pad (150) fixed connection of anticreep chain (140), second anticreep chain mount pad (150) fixed mounting is in the antetheca of terminal box (100), the left side wall of terminal box (100) runs through and the joint has wiring mouth (160).
3. The explosion-proof thermal resistor with the temperature transmitter as claimed in claim 1, wherein: and sealing rubber rings are fixed on the bottom wall of the mounting pipe (110) and the top wall of the stainless steel protection pipe (400).
4. The explosion-proof thermal resistor with the temperature transmitter as claimed in claim 1, wherein: the heat-conducting insulating filler layer (800) adopts a quartz sand filling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361420.7U CN210346931U (en) | 2019-08-21 | 2019-08-21 | Explosion-proof thermal resistor with temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361420.7U CN210346931U (en) | 2019-08-21 | 2019-08-21 | Explosion-proof thermal resistor with temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346931U true CN210346931U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921361420.7U Active CN210346931U (en) | 2019-08-21 | 2019-08-21 | Explosion-proof thermal resistor with temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346931U (en) |
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2019
- 2019-08-21 CN CN201921361420.7U patent/CN210346931U/en active Active
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