CN210014855U

CN210014855U - Surface mounting type thermal resistor protection device

Info

Publication number: CN210014855U
Application number: CN201920816147.6U
Authority: CN
Inventors: 张伟
Original assignee: WUHAN USTSENSOR TECHNOLOGY Co Ltd
Current assignee: WUHAN USTSENSOR TECHNOLOGY Co Ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-02-04
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a surface mounting type thermal resistance protection device, which comprises a device body, wherein the device body comprises a thermal resistance, a fixed block and a sleeve, one side of the fixed block is provided with a fixture block, the other side of the fixed block is provided with a scraper, the top of the fixed block is provided with a cover plate, one side of the fixture block is welded with a clamping plate, the inner side of the fixed block is provided with a chute, one side of the scraper is welded with a connecting plate, the outer side of the connecting plate is welded with a second gear, the inner side of the scraper is welded with a scraper, the inner side of the sleeve is provided with a ring groove, the inner side of the ring groove is clamped with a piston, one side of the piston is welded with a connecting rod, one side of the connecting rod is provided with a stay bar, the outer side of the stay bar is bonded with a heat insulation film, the inner side of the, the use is more convenient, and the installation and the protection of being used for the thermal resistance are suitable.

Description

Surface mounting type thermal resistor protection device

Technical Field

The utility model relates to a thermal resistance protection equipment technical field specifically is a surface mounting type thermal resistance protection device.

Background

The thermal resistor is the most commonly used temperature detector in the middle and low temperature region, the thermal resistor temperature measurement is based on the characteristic that the resistance value of a metal conductor increases along with the increase of the temperature to measure the temperature, the main characteristics are high measurement precision and stable performance, wherein the measurement precision of the platinum thermal resistor is the highest, the thermal resistor is not only widely applied to industrial temperature measurement, but also made into a standard reference instrument, the thermal resistor is mostly made of pure metal materials, platinum and copper are most applied at present, in addition, the thermal resistor is made of materials such as nickel, manganese, rhodium and the like at present, the temperature sensing materials commonly used by the metal thermal resistor are more in variety, platinum wires are most commonly used, the metal thermal resistor materials used for industrial measurement comprise copper, nickel, iron-nickel and the like besides the platinum wires, and the thermal resistor on the market has the advantages of simple use, high safety, sensitive induction, convenient maintenance, wide application field and the like at present, in order to ensure the sensitivity of thermal resistance, often need install protection device additional on the thermal resistance, in order to reduce the damage of thermal resistance, however to the thermal resistance protection device of most, on the one hand, do not have in the ability to thermal resistance surface automatic cleaning, when using thermal resistance prediction protection device, the surface of thermal resistance is easily by the adhesion foreign matter, reduce the sensitivity of thermal resistance, influence the detection of thermal resistance to the temperature, on the other hand, when the surface temperature of the object that is detected is than higher, make the circuit original paper of thermal resistance one end receive high temperature easily and influence and damage, can not effectively reduce the safety of the precision part of protection thermal resistance one end.

Therefore, how to design a surface-mounted thermal resistor protection device becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a not enough to prior art exists, the utility model aims at providing a surface mounting type thermal resistance protection device to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be fit for being used for the installation and the protection of thermal resistance to use.

In order to achieve the above object, the utility model provides a following technical scheme: a surface-mounted thermal resistor protection device comprises a device body, wherein the device body comprises a thermal resistor, a fixed block and a sleeve, the fixed block and the sleeve are sleeved on the outer side of the thermal resistor, the fixed block is arranged on one side of the sleeve, a fixture block is arranged on one side of the fixed block, a scraper is arranged on the other side of the fixed block, a cover plate is arranged at the top of the fixed block, a clamping piece is welded on one side of the fixture block, a chute is formed in the inner side of the fixed block, a motor is mounted on the inner side of the fixed block through a bolt, a first gear is welded on an output shaft of the motor, a connecting plate is welded on one side of the scraper, a second gear is welded on the outer side of the connecting plate, a scraper blade is welded on the inner side of the scraper, an annular groove is formed in the, one side of connecting rod is provided with the vaulting pole, the outside of vaulting pole bonds there is the thermal-insulated membrane, telescopic inboard welding has the bottom plate, the outside of bottom plate is provided with branch.

As a preferred embodiment of the utility model, the opening has all been seted up to the inboard of sleeve, fixture block and fixed block, the thermal resistance card is in the inboard of opening.

As a preferred embodiment of the present invention, one end of the supporting rod is installed on one side of the bottom plate through the rotating shaft, the other end of the supporting rod is installed on the supporting rod through the rotating shaft, and one end of the supporting rod is installed on the connecting rod through the rotating shaft.

As a preferred embodiment of the present invention, the annular groove is engaged with the piston, and the first gear is engaged with the second gear.

As a preferred embodiment of the utility model, the draw-in groove has been seted up to the inboard of fixed block, the draw-in groove cover is established in the outside of even board and scraper blade, the scraper blade evenly distributed is on the scraper blade, the quantity of scraper blade is 4, the scraper blade cover is established in the outside of thermal resistance.

As an embodiment of the present invention, the first external thread has been seted up in the outside of card, the internal thread has been seted up to the inboard of chute, the first external thread cooperatees with the internal thread, the second external thread has been seted up to one side of fixed block.

As a preferred embodiment of the utility model, the inboard of fixed block is seted up flutedly, the motor sets up the inboard at the recess, the apron passes through the top at the recess at threaded mounting.

The utility model has the advantages that: the utility model discloses a surface mounting type thermal resistance protection device, including thermal resistance, fixture block, fixed block, scraper blade, apron, sleeve, card, chute, motor, gear one, even board, gear two, doctor-bar, ring channel, piston, connecting rod, vaulting pole, thermal-insulated membrane, branch, bottom plate.

1. This surface mounting type thermal resistance protection device, owing to be provided with fixture block, fixed block, scraper blade, card, chute, motor, gear one, even board, gear two and doctor-bar, one nevertheless in all, the thermal resistance is adhered to by the foreign matter, when influencing the sensitivity of thermal resistance, can be automatic clear away the foreign matter on thermal resistance surface, avoid the foreign matter to produce the influence to the temperature measurement, guarantee temperature detection's accuracy.

2. This surface mounting type thermal resistance protection device owing to be provided with sleeve, ring channel, piston, connecting rod, vaulting pole, thermal-insulated membrane, branch and bottom plate, can be in the high temperature, and effectual utilization thermal-insulated membrane is thermal-insulated to high temperature object, and then reduces the heat to the thermal damage of the precision component of the thermal resistance other end, protection circuit's safety.

3. This surface mounting type thermal resistor protection device reasonable in design, comparatively high-efficient safety during the use is fit for being used for the installation and the protection of thermal resistor to use.

Drawings

Fig. 1 is a schematic structural view of a surface-mount thermal resistor protection device according to the present invention;

fig. 2 is a cross-sectional view of a fixing block of a surface-mount thermal resistor protection device according to the present invention;

FIG. 3 is a cross-sectional view of a sleeve of a surface mount thermal resistor protection device of the present invention;

FIG. 4 is a cross-sectional view of a scraper blade of a surface mount thermal resistor protection device of the present invention;

in the figure: 1-thermal resistor, 2-clamping block, 3-fixing block, 4-scraper, 5-cover plate, 6-sleeve, 7-clamping plate, 8-chute, 9-motor, 10-gear I, 11-connecting plate, 12-gear II, 13-scraper, 14-annular groove, 15-piston, 16-connecting rod, 17-support rod, 18-heat-insulating film, 19-support rod and 20-bottom plate.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a surface mounting type thermal resistor protection device comprises a device body, wherein the device body comprises a thermal resistor 1, a fixed block 3 and a sleeve 6, the fixed block 3 and the sleeve 6 are sleeved on the outer side of the thermal resistor 1, the fixed block 3 is arranged on one side of the sleeve 6, a fixture block 2 is arranged on one side of the fixed block 3, a scraper 4 is arranged on the other side of the fixed block 3, a cover plate 5 is installed at the top of the fixed block 3, a clamping plate 7 is welded on one side of the fixture block 2, a chute 8 is arranged on the inner side of the fixed block 3, a motor 9 is installed on the inner side of the fixed block 3 through a bolt, a first gear 10 is welded on an output shaft of the motor 9, a connecting plate 11 is welded on one side of the scraper 4, a second gear 12 is welded on the outer side of the connecting plate 11, a scraper 13 is welded on the inner side, piston 15 has been blocked to the inboard of ring channel 14, the welding of one side of piston 15 has connecting rod 16, one side of connecting rod 16 is provided with vaulting pole 17, the outside bonding of vaulting pole 17 has thermal-insulated membrane 18, the inboard welding of sleeve 6 has bottom plate 20, the outside of bottom plate 20 is provided with branch 19.

As a preferred embodiment of the present invention, the openings have been all opened to the insides of the sleeve 6, the fixture block 2 and the fixed block 3, and the thermal resistor 1 is clamped in the insides of the openings.

As a preferred embodiment of the present invention, one end of the supporting rod 19 is installed on one side of the bottom plate 20 through a rotating shaft, the other end of the supporting rod 19 is installed on the supporting rod 17 through a rotating shaft, and one end of the supporting rod 17 is installed on the connecting rod 16 through a rotating shaft.

As a preferred embodiment of the present invention, the annular groove 14 is engaged with the piston 15, and the first gear 10 is engaged with the second gear 12.

As a preferred embodiment of the present invention, the draw-in groove has been seted up to the inboard of fixed block 3, the draw-in groove cover is established in the outside of even board 11 and scraper blade 4, scraper blade 13 evenly distributed is on scraper blade 4, the quantity of scraper blade 4 is 4, the outside at thermal resistance 1 is established to 4 covers of scraper blade.

As an embodiment of the present invention, the first external thread is provided on the outside of the card 7, the internal thread is provided on the inside of the chute 8, the first external thread is matched with the internal thread, and the second external thread is provided on one side of the fixing block 3.

As a preferred embodiment of the present invention, the inner side of the fixing block 3 is provided with a groove, the motor 9 is disposed in the inner side of the groove, and the cover plate 5 is disposed at the top of the groove through a thread.

The working principle is as follows: the surface mounting type thermal resistor protection device provides electric energy for all electric equipment through an external power supply, a thermal resistor 1 and a motor 9 are connected with a remote monitoring system through electric wires, mounting holes are formed in the outer walls of equipment and pipelines needing temperature detection, a clamping block 2 is moved on the thermal resistor 1 according to the required insertion depth, the length of the right side of the thermal resistor 1 is consistent with the length required by detection, a fixing block 3 is screwed, a clamping sheet 7 is continuously and inwards extruded by a chute 8 in the process of screwing to the left, the thermal resistor 1 is fixed by the clamping sheet 7, an external thread II on the right side of the fixing block 3 is mounted in the mounting holes, the temperature of the inner sides of the equipment and the pipelines is detected by the right side of the thermal resistor 1, the detected data is transmitted into the remote monitoring system, and the temperature sensed by the thermal resistor has certain fluctuation due to the working of the equipment, the flowing of a thermal body and the like, when the fluctuation is abnormal (temperature does not fluctuate or fluctuation frequency is reduced, etc.), the thermal resistor 1 is possibly covered by impurities, the motor 9 is turned on through remote operation, the motor 9 is meshed with the gear I10 and the gear II 12, the scraper 4 is driven to rotate on the outer side of the thermal resistor 1 through the connecting plate 11, the impurities attached to the surface of the thermal resistor 1 are cleaned by the scraper 13, the impurities on the surface of the thermal resistor 1 can be automatically cleaned, the temperature detection is prevented from being influenced by the impurities, the accuracy of the temperature detection is guaranteed, when the surface temperature of a detected object is high, the temperature of the sleeve 6 is increased, air in the annular groove 14 is further heated and expanded, the piston 15 is pushed leftwards, the piston 15 pushes the supporting rod 17 leftwards through the connecting rod 16, the supporting rod 17 pushes the supporting rod 19, the supporting rod 19 rotates outwards under the fixation of the bottom plate 20, and the supporting rod 17 rotates outwards, and then prop open heat insulating film 18 outwards, can effectively block the heat radiation of high temperature object to the electric element of thermal resistance 1 other end, reduce on heat transfer reaches the electric element of thermal resistance 1 other end, effectual utilization heat insulating film 18 insulates against heat to high temperature object, and then reduces the heat to the thermal damage of the precision component of thermal resistance 1 other end, the safety of protection circuit.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A surface-mount thermal resistor protection device, comprising a device body, characterized in that: the device body comprises a thermal resistor (1), a fixed block (3) and a sleeve (6), wherein the fixed block (3) and the sleeve (6) are sleeved on the outer side of the thermal resistor (1), the fixed block (3) is arranged on one side of the sleeve (6), a fixture block (2) is arranged on one side of the fixed block (3), a scraper (4) is arranged on the other side of the fixed block (3), a cover plate (5) is installed at the top of the fixed block (3), a card (7) is welded on one side of the fixture block (2), a chute (8) is formed in the inner side of the fixed block (3), a motor (9) is installed on the inner side of the fixed block (3) through bolts, a first gear (10) is welded on the output shaft of the motor (9), a connecting plate (11) is welded on one side of the scraper (4), and a second gear (12) is welded on the, the welding of the inboard of scraper blade (4) has doctor-bar (13), ring channel (14) have been seted up to the inboard of sleeve (6), the inboard card of ring channel (14) has piston (15), one side welding of piston (15) has connecting rod (16), one side of connecting rod (16) is provided with vaulting pole (17), the outside of vaulting pole (17) bonds and has thermal-insulated membrane (18), the inboard welding of sleeve (6) has bottom plate (20), the outside of bottom plate (20) is provided with branch (19).

2. A surface mount thermal resistor protection device as claimed in claim 1 wherein: the through holes are formed in the inner sides of the sleeve (6), the clamping blocks (2) and the fixing blocks (3), and the thermal resistors (1) are clamped in the inner sides of the through holes.

3. A surface mount thermal resistor protection device as claimed in claim 1 wherein: one end of the supporting rod (19) is installed on one side of the bottom plate (20) through a rotating shaft, the other end of the supporting rod (19) is installed on the supporting rod (17) through a rotating shaft, and one end of the supporting rod (17) is installed on the connecting rod (16) through a rotating shaft.

4. A surface mount thermal resistor protection device as claimed in claim 1 wherein: the annular groove (14) is matched with the piston (15), and the first gear (10) is matched with the second gear (12).

5. A surface mount thermal resistor protection device as claimed in claim 1 wherein: the draw-in groove has been seted up to the inboard of fixed block (3), the draw-in groove cover is established in the outside of even board (11) and scraper blade (4), scraper blade (13) evenly distributed is on scraper blade (4), the quantity of scraper blade (4) is 4, the outside at thermal resistance (1) is established to scraper blade (4) cover.

6. A surface mount thermal resistor protection device as claimed in claim 1 wherein: the outer side of the clamping piece (7) is provided with a first external thread, the inner side of the inclined groove (8) is provided with an internal thread, the first external thread is matched with the internal thread, and one side of the fixing block (3) is provided with a second external thread.

7. A surface mount thermal resistor protection device as claimed in claim 1 wherein: the inner side of the fixing block (3) is provided with a groove, the motor (9) is arranged on the inner side of the groove, and the cover plate (5) is installed at the top of the groove through threads.