CN213632450U

CN213632450U - Smoke and dust quick response high accuracy temperature sensor

Info

Publication number: CN213632450U
Application number: CN202023029166.6U
Authority: CN
Inventors: 高洪宝; 郭明恳
Original assignee: Shenzhen Donhe Instrument Co ltd
Current assignee: Shenzhen Donhe Instrument Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-06
Anticipated expiration: 2030-12-16

Abstract

The utility model is suitable for a temperature sensor technical field provides a smoke and dust quick response high accuracy temperature sensor, including the wire, the one end in the wire outside is provided with the protecting wire spring, the protecting wire spring is kept away from one side of wire and is provided with the joint, the joint is kept away from one side of protecting wire spring and is provided with the armor resistance, the outside of armor resistance is provided with the protection tube, the one end welding of protection tube has the heat-collecting fin, the outside of armor resistance is provided with the mounting panel; through with the thermal-arrest piece welding at the protection tube front end, and adopt unique semi-circular thermal-arrest structure with the contact surface of thermal-arrest piece, can fully average temperature sensing, more rapidly than ordinary temperature sensing structure, the temperature is more accurate, and through setting up mounting panel and inserted bar, the slide bar that the accessible set up drives the fly leaf and rotates, and the fly leaf rotates and to drive the kelly and fix the inserted bar, is convenient for change protection tube and thermal-arrest piece, and then can save material, has reduced use cost.

Description

Smoke and dust quick response high accuracy temperature sensor

Technical Field

The utility model belongs to the technical field of temperature sensor, especially, relate to a smoke and dust quick response high accuracy temperature sensor.

Background

The high-precision temperature sensor is a sensor for converting temperature into electric quantity by utilizing the rule that various physical properties of substances change along with the temperature, the physical properties which show regular change mainly have bodies, the temperature sensor is the core part of a temperature measuring instrument, the variety is wide, the temperature sensor can be divided into a contact type and a non-contact type according to the measuring mode, and the temperature sensor can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.

At present, industrial probe thermocouples or common thermal resistors are adopted for monitoring smoke dust temperature in industrial environmental protection and process control, and a heat collecting sheet is not arranged at the front end, so that the temperature measurement is inaccurate, the temperature equalization can not be measured, more materials are used, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a smoke and dust quick response high accuracy temperature sensor aims at solving the problem that proposes in the above-mentioned background art.

The utility model discloses a realize like this, a smoke and dust quick response high accuracy temperature sensor, which comprises a wire, the one end in the wire outside is provided with the protect line spring, the one side that the wire was kept away from to the protect line spring is provided with the joint, the one side that the protect line spring was kept away from to the joint is provided with the armor resistance, the outside of armor resistance is provided with the protection tube, the inside of protection tube is provided with the thermal resistance, the one end of armor resistance and the lead wire electric connection of thermal resistance, the one end welding of protection tube has the thermal-arrest piece, the outside of armor resistance is provided with the mounting panel.

Preferably, a glass fiber cable is arranged inside the conducting wire, a heat shrinkage tube is arranged outside the conducting wire, and the heat collecting fins are semicircular.

Preferably, the mounting panel is provided with a groove inside, the groove is connected with a slide bar inside in a sliding manner, one end of the slide bar is connected with a movable plate in a rotating manner, and the movable plate is far away from one side of the slide bar and is fixedly connected with a clamping rod.

Preferably, one side fixedly connected with inserted bar of protection tube, the first draw-in groove of using with the kelly cooperation is seted up to one side of inserted bar, the outside and the inside joint of first draw-in groove of kelly.

Preferably, one side fixedly connected with fixed plate of recess inner wall, one side difference fixedly connected with bracing piece and first spring of fixed plate, the one end that the fixed plate was kept away from to the bracing piece rotates with one side of fly leaf to be connected, the one end that the fixed plate was kept away from to first spring is fixedly connected with one side of fly leaf.

Preferably, one side fixedly connected with fixed case of recess inner wall, the inside sliding connection of fixed case has the movable rod, the second draw-in groove that uses with the movable rod cooperation is seted up to one side of slide bar.

Preferably, the outside fixedly connected with baffle of movable rod, one side fixedly connected with second spring of baffle, the one end that the baffle was kept away from to the second spring is fixed connection with the inner wall of fixed case.

Compared with the prior art, the beneficial effects of the utility model are that:

through with the thermal-arrest piece welding at the protection tube front end, and adopt unique semi-circular thermal-arrest structure with the contact surface of thermal-arrest piece, can fully average temperature sensing, more rapidly than ordinary temperature sensing structure, the temperature is more accurate, and through setting up mounting panel and inserted bar, the slide bar that the accessible set up drives the fly leaf and rotates, and the fly leaf rotates and to drive the kelly and fix the inserted bar, is convenient for change protection tube and thermal-arrest piece, and then can save material, has reduced use cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic structural view of the armored resistor and the protection tube according to the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

In the figure: 1. a wire; 2. a wire protecting spring; 3. a joint; 4. armoured resistance; 5. protecting the tube; 6. a thermal resistor; 7. a heat collecting sheet; 8. a fiberglass cable; 9. heat shrink tubing; 10. mounting a plate; 11. a groove; 12. a slide bar; 13. a movable plate; 14. a clamping rod; 15. inserting a rod; 16. a first card slot; 17. a fixing plate; 18. a support bar; 19. a first spring; 20. a fixed box; 21. a movable rod; 22. a baffle plate; 23. a second spring; 24. and a second card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1-4, the utility model provides a smoke and dust quick response high accuracy temperature sensor, including wire 1, the one end in the wire 1 outside is provided with protecting wire spring 2, one side that protecting wire spring 2 kept away from wire 1 is provided with joint 3, one side that protecting wire spring 2 was kept away from to joint 3 is provided with armor resistance 4, the outside of armor resistance 4 is provided with protection tube 5, the inside of protection tube 5 is provided with thermal resistance 6, the one end of armor resistance 4 and the lead wire electric connection of thermal resistance 6, the one end welding of protection tube 5 has thermal-arrest piece 7, the outside of armor resistance 4 is provided with mounting panel 10.

In this embodiment, through welding the heat collection sheet 7 at the front end of the protection tube 5, and adopt the unique semicircular heat collection structure with the contact surface of the heat collection sheet 7, can fully averagely sense the temperature, more rapidly than ordinary temperature sensing structure, the temperature is more accurate, and through setting up mounting panel 10 and inserted bar 15, the slide bar 12 that the accessible set up drives fly leaf 13 and rotates, fly leaf 13 rotates and can drive kelly 14 and fix inserted bar 15, be convenient for change protection tube 5 and heat collection sheet 7, and then can save material, use cost has been reduced.

Further, a glass fiber cable 8 is arranged inside the wire 1, a heat shrinkage tube 9 is arranged outside the wire 1, and the heat collecting fins 7 are arranged in a semicircular shape.

In this embodiment, through setting up glass fiber cable 8 and pyrocondensation pipe 9, improved temperature resistance, the temperature sensing of being convenient for is passed on to the system through high temperature resistant glass fiber cable 8 after, is convenient for carry out the temperature measurement, and through setting up heat collection sheet 7 to semi-circular, can be convenient for fully average temperature sensing, and is more rapid than ordinary temperature sensing structure, and the temperature is more accurate.

Further, a groove 11 is formed in the mounting plate 10, a sliding rod 12 is slidably connected in the groove 11, a movable plate 13 is rotatably connected to one end of the sliding rod 12, and a clamping rod 14 is fixedly connected to one side of the movable plate 13 away from the sliding rod 12.

In this embodiment, by providing the groove 11, the sliding rod 12, the movable plate 13 and the clamping rod 14, the movable plate 13 can be conveniently driven to rotate by moving the sliding rod 12, and the movable plate 13 can be conveniently driven to move by rotating the clamping rod 14, so that the protection tube 5 can be conveniently fixed and conveniently detached.

Further, one side fixedly connected with inserted bar 15 of protection tube 5, inserted bar 15's one side seted up with the cooperation of kelly 14 first draw-in groove 16 that uses, the outside of kelly 14 and the inside joint of first draw-in groove 16.

In this embodiment, by providing the insertion rod 15 and the first engaging groove 16, the engaging rod 14 can be engaged with the inside of the first engaging groove 16, and the protection tube 5 can be fixed.

Further, a fixed plate 17 is fixedly connected to one side of the inner wall of the groove 11, a supporting rod 18 and a first spring 19 are respectively fixedly connected to one side of the fixed plate 17, one end of the supporting rod 18, which is far away from the fixed plate 17, is rotatably connected to one side of the movable plate 13, and one end of the first spring 19, which is far away from the fixed plate 17, is fixedly connected to one side of the movable plate 13.

In this embodiment, the fixed plate 17 and the supporting rod 18 are provided to facilitate the rotation of the movable plate 13, so as to facilitate the movement of the locking rod 14 driven by the rotation of the movable plate 13, and the first spring 19 is provided to facilitate the resetting after the movement of the sliding rod 12.

Furthermore, a fixed box 20 is fixedly connected to one side of the inner wall of the groove 11, a movable rod 21 is slidably connected to the inside of the fixed box 20, and a second slot 24 matched with the movable rod 21 for use is formed in one side of the sliding rod 12.

In this embodiment, by providing the fixing box 20, the movable rod 21 and the second engaging groove 24, the movable rod 21 can be conveniently engaged with the second engaging groove 24, so as to fix the sliding rod 12, and further fix and detach the protection tube 5.

Further, a baffle 22 is fixedly connected to the outer side of the movable rod 21, a second spring 23 is fixedly connected to one side of the baffle 22, and one end, far away from the baffle 22, of the second spring 23 is fixedly connected to the inner wall of the fixed box 20.

In the present embodiment, the baffle 22 and the second spring 23 are provided to facilitate the return after the movement of the movable lever 21.

The utility model discloses a theory of operation and use flow: when the heat collecting plate 7 is installed, the heat collecting plate is welded at the front end of the protection tube 5, so that sufficient heat absorption and temperature sensing can be facilitated, the thermal resistor 6 is embedded in the protection tube 5, the installation plate 10 arranged on the outer side of the armored resistor 4 is connected with the protection tube 5, the inserted rod 15 arranged on one side of the protection tube 5 is inserted in the groove 11, meanwhile, the movable plate 13 is driven to rotate by pressing the slide rod 12, the movable plate 13 rotates to drive the clamping rod 14 to move, the movable rod 21 is embedded in the second clamping groove 24 at the moment, the slide rod 12 is fixed, when the inserted rod 15 is inserted in the groove 11, the movable rod 21 is pulled to separate the movable rod 21 from the inside of the second clamping groove 24, at the moment, the slide rod 12 is reset under the action of the first spring 19, so that the clamping rod 14 can be driven to move, and the clamping rod 14 is clamped in the first clamping groove 16, so that the fixing is facilitated, the inside, the rear end is connected with a glass fiber cable 8, after the semicircular contact surface of the measuring end heat collecting sheet 7 is fully contacted with smoke, the resistance value of the thermal resistor 6 is changed due to temperature change, the resistor signal is transmitted to the transmitter through the armored resistor 4 and the glass fiber cable 8, the transmitter converts the resistor signal into a 4-20MA current signal corresponding to the temperature value in the corresponding range, the contact surface adopts a unique semicircular heat collecting structure, the temperature can be sensed fully and averagely, and the temperature sensing structure is quicker and more accurate than a common temperature sensing structure.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a smoke and dust quick response high accuracy temperature sensor, includes wire (1), its characterized in that: the one end in wire (1) outside is provided with wire protection spring (2), one side that wire protection spring (2) kept away from wire (1) is provided with joint (3), one side that wire protection spring (2) were kept away from in joint (3) is provided with armor resistance (4), the outside of armor resistance (4) is provided with protection tube (5), the inside of protection tube (5) is provided with thermal resistance (6), the one end of armor resistance (4) and the lead wire electric connection of thermal resistance (6), the one end welding of protection tube (5) has heat-collecting fin (7), the outside of armor resistance (4) is provided with mounting panel (10).

2. The smoke rapid response high precision temperature sensor of claim 1, wherein: the solar heat collector is characterized in that a glass fiber cable (8) is arranged inside the conducting wire (1), a heat-shrinkable tube (9) is arranged on the outer side of the conducting wire (1), and the heat collecting sheets (7) are semicircular.

3. The smoke rapid response high precision temperature sensor of claim 1, wherein: the mounting plate is characterized in that a groove (11) is formed in the mounting plate (10), a sliding rod (12) is connected to the inside of the groove (11) in a sliding mode, a movable plate (13) is connected to one end of the sliding rod (12) in a rotating mode, and a clamping rod (14) is fixedly connected to one side, far away from the sliding rod (12), of the movable plate (13).

4. A smoke rapid response high accuracy temperature sensor as claimed in claim 3 wherein: one side fixedly connected with inserted bar (15) of protection tube (5), first draw-in groove (16) of using with kelly (14) cooperation are seted up to one side of inserted bar (15), the outside of kelly (14) and the inside joint of first draw-in groove (16).

5. A smoke rapid response high accuracy temperature sensor as claimed in claim 3 wherein: one side fixedly connected with fixed plate (17) of recess (11) inner wall, one side difference fixedly connected with bracing piece (18) and first spring (19) of fixed plate (17), the one end that fixed plate (17) were kept away from in bracing piece (18) is rotated with one side of fly leaf (13) and is connected, the one end that fixed plate (17) were kept away from in first spring (19) and one side fixed connection of fly leaf (13).

6. A smoke rapid response high accuracy temperature sensor as claimed in claim 3 wherein: one side fixedly connected with fixed case (20) of recess (11) inner wall, the inside sliding connection of fixed case (20) has movable rod (21), second draw-in groove (24) that use with movable rod (21) cooperation are seted up to one side of slide bar (12).

7. The smoke rapid response high precision temperature sensor of claim 6, wherein: the outer side of the movable rod (21) is fixedly connected with a baffle (22), one side of the baffle (22) is fixedly connected with a second spring (23), and one end, away from the baffle (22), of the second spring (23) is fixedly connected with the inner wall of the fixed box (20).