CN113532665A - Temperature transmitter with protection function - Google Patents
Temperature transmitter with protection function Download PDFInfo
- Publication number
- CN113532665A CN113532665A CN202110856959.5A CN202110856959A CN113532665A CN 113532665 A CN113532665 A CN 113532665A CN 202110856959 A CN202110856959 A CN 202110856959A CN 113532665 A CN113532665 A CN 113532665A
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- CN
- China
- Prior art keywords
- temperature transmitter
- circuit board
- protection function
- fastening bolt
- protective
- Prior art date
- 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.)
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- 230000004224 protection Effects 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 239000000523 sample Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005201 scrubbing Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009979 protective mechanism Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a temperature transmitter with a protection function, which comprises a protective shell, wherein a circuit board and a display screen are installed in an inner cavity of the protective shell, a protective mechanism for reducing impact force is clamped on the peripheral wall of the circuit board, the circuit board is electrically connected with a temperature measuring probe, a protective pipe is sleeved on the upper end of the peripheral wall of the temperature measuring probe, a fastening bolt is sleeved on the outer wall of the protective pipe, a threaded groove is formed in the position, below the fastening bolt, of the protective pipe, and a dirt removing mechanism for removing residual dirt on the threaded groove is installed in an annular installation groove at the bottom of the fastening bolt. The invention not only can effectively remove dirt in the thread groove, ensure the insulation between the temperature transmitter and the device to be measured, improve the accuracy of the measuring result, but also can buffer part of impact force, prolong the service life of electronic components, has the advantages of rigorous structure, convenient use, good heat dissipation and the like, and is easy to popularize and apply.
Description
Technical Field
The invention relates to the technical field of temperature transmitters, in particular to a temperature transmitter with a protection function.
Background
The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, signals output by the temperature measuring elements are transmitted to a transmitter module, the signals are converted 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 and reverse protection, and RS485 digital signals are output, and the temperature transmitter is mainly used for measuring and controlling temperature parameters in an industrial process.
At present, the mode that current temperature transmitter on the market adopted threaded connection is connected with the device to be measured usually, however, in some special trades, easily hide the dirt in the thread groove of temperature probe outer wall, cause the insulating nature between temperature transmitter and the device to be measured to worsen, especially more serious under high temperature, this accuracy that will lead to the measuring result reduces, and the threaded connection in-process easily takes place to shake because of the dirt of thread groove and causes the connection insecure, damage components and parts even, and the service life is shortened, thereby can't satisfy the operation requirement of people in the production life.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the insulation performance is poor due to dirt hidden in a thread groove, so that the accuracy of a measuring result is reduced, and the service life is shortened.
In order to achieve the purpose, the invention adopts the following technical scheme:
a temperature transmitter with a protection function comprises a protective shell, wherein a circuit board and a display screen are arranged in an inner cavity of the protective shell, and the side wall of the protective shell is provided with a cable connector which is electrically connected with the circuit board, the peripheral wall of the circuit board is clamped with a protective mechanism which is used for reducing the impact force, the circuit board is electrically connected with a temperature probe which passes through the through hole at the bottom of the protective shell and extends to the outside, and the upper end of the peripheral wall of the temperature measuring probe is sleeved with a protective pipe, the top end of the protective pipe is fixedly connected with the bottom of the protective shell, and the outer wall of the protective pipe is fixedly sleeved with a fastening bolt, the part of the protective pipe below the fastening bolt is provided with a thread groove, a dirt removing mechanism for removing residual dirt on the thread groove is fixedly arranged in the annular mounting groove at the bottom of the fastening bolt;
the scrubbing mechanism establishes including the cover the outside flexible body of protecting tube, the top and the bottom of flexible body are provided with integrated into one piece's top connection and lower clutch respectively, the top connection pass through the bearing with the diapire of the annular mounting groove of fastening bolt bottom rotates and connects, seted up on the inside wall of lower clutch with thread groove assorted internal thread, and the bottom rigid coupling of lower clutch has the scrubbing cover, seted up at least on the inside wall of scrubbing cover the round with the recess that the thread groove matches, fixed mounting has a plurality of brush in the recess.
Preferably, the protection machanism includes a fixed section of thick bamboo, a fixed section of thick bamboo is equipped with a plurality ofly and even fixed mounting is in on the inside wall of protecting crust, and the equal slidable mounting in inside of every fixed section of thick bamboo has a movable rod, every the movable rod bottom is with corresponding equal fixed mounting has expanding spring between the fixed section of thick bamboo diapire, and the equal rigid coupling of the other end of every movable rod has the U-shaped fixture block.
Preferably, the brush is made of hard fiber materials.
Preferably, six fixed cylinders are arranged and are uniformly distributed on the circumference.
Preferably, a buffer pad is fixedly mounted on the inner side wall of each U-shaped clamping block.
Preferably, the rear end edge of the protective shell is provided with a heat dissipation groove.
Preferably, the front end of the protective shell is in threaded connection with a sealing cover, an observation window made of transparent materials is arranged in the middle of the sealing cover, and anti-skid grains are arranged on the edge of the sealing cover.
Preferably, a hanging rope is fixedly installed on the side wall of the sealing cover, and the other end of the hanging rope is fixedly connected with the outer side wall of the protective shell.
Compared with the prior art, the invention provides the temperature transmitter with the protection function, which has the following beneficial effects:
1. according to the invention, the dirt removing mechanism is arranged, the dirt removing cover is driven to rotate by rotating the lower connector, and the lower connector drives the brush to gradually move downwards along the thread groove, so that dirt on the thread groove is removed, the lower connector stops rotating when moving downwards to the thread groove at the lowest end, and meanwhile, the telescopic pipe body extends and covers the thread groove, so that dust can be effectively prevented from entering again;
2. according to the invention, the protection mechanism is arranged, so that impact force on the circuit board is buffered from multiple directions, the circuit board can be prevented from being damaged, and the service life of the electronic component is prolonged;
3. according to the invention, the heat dissipation in the protective shell is accelerated by arranging the plurality of heat dissipation grooves on the protective shell, and the service life of the electronic component is further prolonged.
Through mutual cooperation among all parts, dirt in the thread groove can be effectively removed, insulation between the temperature transmitter and the device to be measured is ensured, accuracy of a measuring result is improved, partial impact force on the circuit board can be buffered from multiple directions, the service life of electronic components is prolonged, and the device has the advantages of rigorous structure, convenience in use, good heat dissipation and the like, improves practicability, and is easy to popularize and apply.
Drawings
Fig. 1 is a schematic structural diagram of a temperature transmitter with a protection function according to the present invention;
FIG. 2 is a schematic cross-sectional view of a protective tube of a temperature transmitter with protection function according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of a protective housing of a temperature transmitter with protection function according to the present invention;
fig. 5 is a schematic structural diagram of a protection mechanism of a temperature transmitter with a protection function according to the present invention.
In the figure: 1. a protective shell; 2. a circuit board; 3. a display screen; 4. a cable joint; 5. a protection mechanism; 51. a fixed cylinder; 52. a movable rod; 53. a tension spring; 54. a U-shaped clamping block; 6. a temperature measuring probe; 7. a protective tube; 8. fastening a bolt; 9. a thread groove; 10. a decontamination mechanism; 101. a telescopic tube body; 102. an upper joint; 103. a lower joint; 104. an internal thread; 105. a dirt removing cover; 106. a groove; 107. a brush; 11. a cushion pad; 12. a heat sink; 13. a sealing cover; 14. anti-skid lines; 15. and (7) hanging a rope.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-5, a temperature transmitter with protection function comprises a protective shell 1, a circuit board 2 and a display screen 3 electrically connected with the circuit board 2 through a wire are installed in an inner cavity of the protective shell 1, the display screen 3 is used for displaying a measurement result, is convenient for workers to observe, and improves the working efficiency, a cable connector 4 electrically connected with the circuit board 2 is arranged on a side wall of the protective shell 1, a protection mechanism 5 used for reducing the external impact force is clamped on a peripheral wall of the circuit board 2, the circuit board 2 is electrically connected with a temperature probe 6, the temperature probe 6 passes through a through hole at the bottom of the protective shell 1 and extends to the outside, a protective tube 7 is sleeved on the upper end of the peripheral wall of the temperature probe 6, the top end of the protective tube 7 is fixedly connected with the bottom of the protective shell 1, a fastening bolt 8 is fixedly sleeved on the outer wall of the protective tube 7, a thread groove 9 used for connecting with a device to be detected is arranged on a position of the protective tube 7 below the fastening bolt 8, a dirt removing mechanism 10 for removing residual dirt on the thread groove 9 is fixedly arranged in the annular mounting groove at the bottom of the fastening bolt 8;
In this embodiment, when using, be connected with waiting to detect the device through fastening bolt 8 and measure, after measuring, through rotating lower clutch 103 and driving scrubbing cover 105 and rotate and make it drive brush 107 and move down along thread groove 9 gradually, the dirt on the thread groove 9 is clear away to the in-process that brush 107 moved down, stop rotating when moving to the thread groove 9 of lower extreme down, telescopic tube body 101 extension makes lower clutch 103 and protective tube 7 threaded connection under the mating reaction of internal thread 104 and thread groove 9 simultaneously, thereby make telescopic tube body 101 cover the outside at thread groove 9, can prevent effectively that the dust from piling up in thread groove 9 once more, thereby ensure insulating between temperature transmitter and the waiting to detect device, and then improved measuring result's accuracy.
Example two
As shown in fig. 5, the present embodiment is substantially the same as embodiment 1, and preferably, the protection mechanism 5 includes six fixed cylinders 51, the fixed cylinders 51 are circumferentially and uniformly fixedly mounted on the inner side wall of the protection shell 1, a movable rod 52 is slidably mounted inside each fixed cylinder 51, a telescopic spring 53 is fixedly mounted between the bottom of each movable rod 52 and the bottom wall of the corresponding fixed cylinder 51, and a U-shaped latch 54 is fixedly connected to the other end of each movable rod 52.
In this embodiment, through with U-shaped fixture block 54 joint to the lateral wall of circuit board 2 in proper order, when receiving external force and assaulting, can cushion partial impact force under the elastic force effect of expanding spring 53, can prevent that circuit board 2 from taking place to damage to life has been prolonged.
EXAMPLE III
As shown in fig. 3, this embodiment is substantially the same as embodiment 1, and preferably, the brush 107 is made of a hard fiber material.
In this embodiment, through brush 107 that hard fiber material made, can clean up the inside dirt of thread groove 9, ensure to insulate between temperature transmitter and the device under test, improved measuring result's accuracy.
Example four
As shown in fig. 5, this embodiment is substantially the same as embodiment 1, and preferably, a cushion pad 11 is fixedly mounted on the inner side wall of each U-shaped latch 54.
In this embodiment, through setting up blotter 11, guarantee under the stable prerequisite of circuit board 2 installation, prevent to cause the damage to it, further prolonged life.
EXAMPLE five
As shown in fig. 1, this embodiment is substantially the same as embodiment 1, and preferably, the rear end edge of the protective shell 1 is provided with a heat dissipation groove 12.
In this embodiment, through setting up radiating groove 12, be convenient for improve the inside radiating rate of protective housing 1 to the life of the inside components and parts of protective housing 1 has been prolonged.
EXAMPLE six
As shown in fig. 1 and 2, in this embodiment, basically the same as that of embodiment 1, preferably, a sealing cover 13 is screwed to the front end of the protective shell 1, a viewing window made of transparent material is arranged in the middle of the sealing cover 13, and an anti-skid thread 14 is arranged on the edge of the sealing cover 13.
In this embodiment, through setting up transparent observation window, the quick observation detection data of being convenient for, through set up anti-skidding line 14 on sealed lid 13, adopt the mode of increase frictional force, the operator of being convenient for opens sealed lid 13 and maintains.
EXAMPLE seven
As shown in fig. 1 and 2, this embodiment is substantially the same as embodiment 1, and preferably, a hanging rope 15 is fixedly mounted on the side wall of the sealing cover 13, and the other end of the hanging rope 15 is fixedly connected with the outer side wall of the protective shell 1.
In this embodiment, the sealing cover 13 is fixedly connected with the protective shell 1 through the hanging rope 15, so that the sealing cover 13 can be prevented from being lost after being taken down in the maintenance process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a temperature transmitter with protect function, includes protecting crust (1), install circuit board (2) and display screen (3) in the inner chamber of protecting crust (1), and be provided with on the lateral wall of protecting crust (1) be used for with cable joint (4) that circuit board (2) electricity is connected, a serial communication port, the joint has protection machanism (5) that are used for slowing down the impact force on the perisporium of circuit board (2), and circuit board (2) electric connection has temperature probe (6), temperature probe (6) pass the through-hole of protecting crust (1) bottom extends to the outside, and the perisporium of temperature probe (6) goes up the pot head and is equipped with protective tube (7), the top of protective tube (7) with the bottom fixed connection of protecting crust (1), and the fixed cover is equipped with fastening bolt (8) on the outer wall of protective tube (7), protective tube (7) are located threaded groove (9) have been seted up on the position of fastening bolt (8) below A dirt removing mechanism (10) for removing residual dirt on the thread groove (9) is fixedly arranged in the annular mounting groove at the bottom of the fastening bolt (8);
scrubbing mechanism (10) establish including the cover the outside flexible body (101) of protecting tube (7), the top and the bottom of flexible body (101) are provided with integrated into one piece's top connection (102) and lower clutch (103) respectively, top connection (102) through the bearing with the diapire of the annular mounting groove of fastening bolt (8) bottom rotates and connects, seted up on the inside wall of lower clutch (103) with thread groove (9) assorted internal thread (104), and the bottom rigid coupling of lower clutch (103) has scrubbing cover (105), at least seted up on the inside wall of scrubbing cover (105) the round with recess (106) that thread groove (9) match, recess (106) internal fixed mounting has a plurality of brush (107).
2. The temperature transmitter with the protection function according to claim 1, wherein the protection mechanism (5) comprises a fixed cylinder (51), the fixed cylinder (51) is provided with a plurality of fixed cylinders (51) which are uniformly and fixedly installed on the inner side wall of the protective shell (1), a movable rod (52) is slidably installed inside each fixed cylinder (51), a telescopic spring (53) is fixedly installed between the bottom of each movable rod (52) and the bottom wall of the corresponding fixed cylinder (51), and a U-shaped clamping block (54) is fixedly connected to the other end of each movable rod (52).
3. A protected temperature transmitter according to claim 1, wherein the brush (107) is made of a hard fiber material.
4. The temperature transmitter with protection function according to claim 2, characterized in that the fixed cylinders (51) are provided in six, and the six fixed cylinders (51) are uniformly distributed in circumference.
5. The temperature transmitter with protection function as claimed in claim 2, wherein a cushion (11) is fixedly mounted on the inner side wall of each U-shaped fixture block (54).
6. The temperature transmitter with protection function according to claim 1, characterized in that the rear end edge of the protective shell (1) is provided with a heat sink (12).
7. The temperature transmitter with the protection function according to claim 1, wherein a sealing cover (13) is in threaded connection with the front end of the protective shell (1), an observation window made of a transparent material is arranged in the middle of the sealing cover (13) so as to facilitate rapid observation of detection data, and anti-skid grains (14) are formed on the edge of the sealing cover (13).
8. The temperature transmitter with protection function according to claim 7, wherein a hanging rope (15) is fixedly installed on the side wall of the sealing cover (13), and the other end of the hanging rope (15) is fixedly connected with the outer side wall of the protective shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856959.5A CN113532665A (en) | 2021-07-28 | 2021-07-28 | Temperature transmitter with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856959.5A CN113532665A (en) | 2021-07-28 | 2021-07-28 | Temperature transmitter with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113532665A true CN113532665A (en) | 2021-10-22 |
Family
ID=78121194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110856959.5A Withdrawn CN113532665A (en) | 2021-07-28 | 2021-07-28 | Temperature transmitter with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113532665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575829A (en) * | 2022-05-06 | 2022-06-03 | 东营佰旺商贸有限公司 | Temperature transmitter with over-temperature protection function for oil field |
-
2021
- 2021-07-28 CN CN202110856959.5A patent/CN113532665A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575829A (en) * | 2022-05-06 | 2022-06-03 | 东营佰旺商贸有限公司 | Temperature transmitter with over-temperature protection function for oil field |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20211022 |