CN110174187B - Special detection tool for heater - Google Patents
Special detection tool for heater Download PDFInfo
- Publication number
- CN110174187B CN110174187B CN201910440216.2A CN201910440216A CN110174187B CN 110174187 B CN110174187 B CN 110174187B CN 201910440216 A CN201910440216 A CN 201910440216A CN 110174187 B CN110174187 B CN 110174187B
- Authority
- CN
- China
- Prior art keywords
- shell
- gear
- pressing handle
- rotating shaft
- telescopic rod
- 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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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The special detection tool for the heater comprises a shell, wherein a pressing handle is arranged in the bottom of the shell, one end of the pressing handle is hinged to the shell through a first rotating shaft, the other end of the pressing handle penetrates out of the shell through a through groove, a tension spring is further arranged on the pressing handle near the first rotating shaft, one end of the tension spring is fixedly connected with the pressing handle, the other end of the tension spring is arranged on the shell, and an arc-shaped rack driving block is fixedly connected with the pressing handle far away from the first rotating shaft. The invention has the positive effects that: the invention eliminates the hidden trouble that operation and maintenance personnel touch operation equipment by mistake, can ensure the safe distance between the operation and maintenance personnel and the heating plate by using the special detection tool for the heater, has no hidden danger of scalding, ensures the personal safety, can read measurement data from the display screen only by touching the display screen in the measurement process, is convenient and quick, is simple and practical, and has higher accuracy.
Description
Technical Field
The invention relates to the technical field of transformer substation auxiliary appliances, in particular to a special detection tool for a heater.
Background
At present, a terminal box and a junction control cabinet in a transformer substation are widely applied to a resistance type electric heating sheet for dehumidification and heat preservation, and the principle is that heat is released by utilizing current through an electric heating body, so that the purposes of improving the temperature of a box body and guaranteeing safe and stable operation of power equipment are achieved. The aluminum alloy heater is widely applied in the current 500kV transformer substation, and because the heat productivity of the aluminum alloy heater is large, the insulation aging and even damage of the heater are easily caused by long-term operation, so that operation and maintenance personnel must regularly check in daily inspection and maintenance.
In the process of checking the heater, the operation and maintenance personnel need to carry out temperature measurement at a short distance in the existing temperature measuring instrument, so that the operation and maintenance personnel have to be close to the vicinity of the heater, and scalding hidden danger exists; in addition, because the internal structure of the terminal box is compact, the safety distance between the heater and the operation equipment is often insufficient, the operation equipment is easily touched by mistake in the inspection process, and the personal safety and the equipment safety of operation and maintenance personnel are seriously affected.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a special detection tool for a heater, which is suitable for operation equipment of a transformer substation with a relatively compact internal structure, can ensure the safety distance between a user and equipment to be detected, and avoids the scalding hidden trouble of operation and maintenance personnel in the detection process.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a special detection tool for a heater, which comprises a shell, wherein a pressing handle is arranged in the bottom of the shell, one end of the pressing handle is hinged on the shell through a first rotating shaft, the other end of the pressing handle penetrates out of the shell through a through groove, a tension spring is further arranged on the pressing handle near the first rotating shaft, one end of the tension spring is fixedly connected with the pressing handle, the other end of the tension spring is arranged on the shell, an arc-shaped rack driving block is fixedly connected to the pressing handle far away from the first rotating shaft, a first gear, a second gear and a third gear are arranged at the upper position of the pressing handle, the first gear is arranged on the shell through a second rotating shaft, the first gear is meshed with the rack driving block, the second gear and the third gear are coaxially arranged on the shell through the third rotating shaft, a flexible rack is meshed with the first gear, one end of the flexible rack can penetrate out of the shell and corresponds to the position of the flexible rack penetrating out of the shell, a temperature sensing rod is arranged in the shell, a telescopic rod is arranged in the telescopic rod and is in contact with a telescopic rod, a telescopic rod is arranged in the telescopic rod, and a telescopic rod is arranged in the telescopic rod is in the telescopic rod, and is in contact with a telescopic rod. Further, the conducting wire of the contact type temperature sensing element access control circuit board is positioned in the telescopic spring tube, one end of the telescopic spring tube is connected with the contact type temperature sensing element, the other end of the telescopic spring tube is connected with the shell, the first telescopic rod is further provided with a hanging ring, and the telescopic spring tube is positioned in the hanging ring. Further, a push switch is mounted in the housing at a position corresponding to the rotational movement of the push handle.
The invention has the positive effects that: according to the special detection tool for the heater, the contact type temperature sensing element at the front end of the special detection tool can extend into various narrow spaces to detect under the drive of the telescopic rod, hidden danger that operation and maintenance personnel touch operation equipment by mistake is avoided, the special detection tool for the heater can ensure the safety distance between the operation and maintenance personnel and the heating plate, no scalding hidden danger is caused, personal safety is ensured, measurement data can be read from the display screen only by touching the device in the measurement process, and the special detection tool is convenient, quick, simple and practical and has higher accuracy.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the structure of the present invention in a use state.
In the drawing, a shell 2 presses a first rotating shaft 4 of a handle 3, a tension spring 5, a rack driving block 6, a first gear 7, a second gear 8, a third gear 9, a second rotating shaft 10, a third rotating shaft 11, a flexible rack 13, a flexible rod mounting groove 14, a first flexible rod 15, a second flexible rod 16, a contact type temperature sensing element 17 of a control circuit board 18, a display screen 19, a through groove 20, a flexible spring tube 21 and a hanging ring 22 of a push switch.
Detailed Description
The invention relates to a special detection tool for a heater, which is shown in fig. 1, and comprises a shell 1, wherein a pressing handle 2 is arranged in the bottom of the shell 1, one end of the pressing handle 2 is hinged on the shell 1 through a first rotating shaft 3, and the other end of the pressing handle 2 penetrates out of the shell 1 through a penetrating groove 19. The pressing handle 2 near the first rotating shaft 3 is also provided with a tension spring 4, one end of the tension spring 4 is fixedly connected with the pressing handle 2, the other end of the tension spring 4 is arranged on the shell 1, and the tension spring 4 always has a trend of pulling the pressing handle 2 to be close to the shell 1.
The pressing handle 2 far away from the position of the first rotating shaft 3 is fixedly connected with an arc-shaped rack driving block 5, a first gear 6, a second gear 7 and a third gear 8 are arranged at the upper position of the pressing handle 2, the first gear 6 is arranged on the shell 1 through the second rotating shaft 9, the first gear 6 is meshed with the rack driving block 5, the second gear 7 and the third gear 8 are coaxially arranged on the shell 1 through a third rotating shaft 10, the second gear 7 is meshed with the first gear 6, a moving track 11 is arranged between the pressing handle 2 and the third gear 8, a soft rack 12 is arranged in the moving track 11, the soft rack 12 is meshed with the third gear 8, and one end of the soft rack 12 can penetrate out of the shell 1.
Corresponding to the position that the flexible rack 12 wears out the casing 1, be equipped with telescopic link mounting groove 13 outside casing 1, be equipped with first telescopic link 14 and second telescopic link 15 in proper order in the telescopic link mounting groove 13, all be equipped with stop device on first telescopic link 14 and the second telescopic link 15, first telescopic link 14 can slide in telescopic link mounting groove 13, and second telescopic link 15 can slide in first telescopic link 14 to can both be limited extreme position by stop device. A contact type temperature sensing element 16 is arranged at the top end of the second telescopic rod 15, the contact type temperature sensing element 16 is connected into a control circuit board 17 in the shell 1 through a lead, and a display screen 18 for displaying the measured temperature is further arranged on the shell 1 corresponding to the position of the control circuit board 17.
When the special detection tool for the heater is used for detection operation, the shell 1 is held by hand, the pressing handle 2 is pressed to overcome the pulling force of the tension spring 4, the pressing handle 2 rotates around the first rotating shaft 3 by a certain angle until the pressing handle 2 completely enters the shell 1 through the through groove 19, at the moment, the rack driving block 5 rotates to drive the first gear 6 to rotate anticlockwise in the direction shown in fig. 1, the first gear 6 drives the second gear 7 and the third gear 8 to rotate clockwise, as shown in fig. 2, the third gear 8 pushes the flexible rack 12 to gradually extend into the telescopic rod mounting groove 13 outside the shell 1, the first telescopic rod 14 and the second telescopic rod 15 are ejected, the contact type temperature sensing element 16 on the second telescopic rod 15 can extend into various narrow spaces for detection, the distance between a temperature measuring point and the handheld position of an operation and maintenance person is ensured to have no scalding hidden danger, and the detected instant temperature value can be read from the display screen 18, so that the operation is convenient and easy.
Preferably, the wire of the contact type temperature sensing element 16 connected to the control circuit board 17 is located in the telescopic spring tube 20, one end of the telescopic spring tube 20 is connected to the contact type temperature sensing element 16, the other end of the telescopic spring tube 20 is connected to the housing 1, the first telescopic rod 14 is further provided with a hanging ring 21, and the telescopic spring tube 20 is located in the hanging ring 21. The telescopic spring tube 20 can move along with the telescopic action of the first telescopic rod 14 and the second telescopic rod 15, normal use of the touch-type temperature sensing element 16 is guaranteed, the hanging ring 21 can also guarantee that the telescopic spring tube 20 cannot drop down, and other operation equipment is prevented from being touched in the detection process.
Preferably, the position department corresponding to the rotatory removal one end of pressing handle 2 installs push switch 22 in casing 1, when holding casing 1 and pressing handle 2, push switch 22 can be opened to the in-process of pressing handle 2 at rotatory removal, just opens the temperature measurement function of testing tool when the telescopic link stretches out, also can automatic shutdown after the detection finishes, and the operation and maintenance personnel of being convenient for operate, has promoted the work efficiency of detection operation.
The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.
Claims (1)
1. A special detection tool for a heater is characterized in that: comprises a shell (1), a pressing handle (2) is arranged in the bottom of the shell (1), one end of the pressing handle (2) is hinged on the shell (1) through a first rotating shaft (3), the other end of the pressing handle (2) penetrates out of the shell (1) through a penetrating groove (19), a tension spring (4) is further arranged on the pressing handle (2) nearby the first rotating shaft (3), one end of the tension spring (4) is fixedly connected with the pressing handle (2), the other end of the tension spring (4) is arranged on the shell (1), an arc-shaped rack driving block (5) is fixedly connected on the pressing handle (2) far away from the position of the first rotating shaft (3), a first gear (6), a second gear (7) and a third gear (8) are arranged at the upper position of the pressing handle (2), the first gear (6) is arranged on the shell (1) through a second rotating shaft (9), the first gear (6) is meshed with the rack driving block (5), the second gear (7) and the third gear (8) are coaxially arranged on the shell (1) through a third rotating shaft (10), the first gear (7) is meshed with the third gear (8), a flexible rack (12) is arranged in the moving track (11), the flexible rack (12) is meshed with the third gear (8), one end of the flexible rack (12) can penetrate out of the shell (1), a telescopic rod mounting groove (13) is arranged outside the shell (1), a first telescopic rod (14) and a second telescopic rod (15) are sequentially arranged in the telescopic rod mounting groove (13), a contact type temperature sensing element (16) is arranged at the top end of the second telescopic rod (15), the contact type temperature sensing element (16) is connected into a control circuit board (17) in the shell (1) through a lead, and a display screen (18) for displaying the measured temperature is further arranged on the shell (1) corresponding to the position of the control circuit board (17);
the wire of the contact type temperature sensing element (16) connected with the control circuit board (17) is positioned in the telescopic spring tube (20), one end of the telescopic spring tube (20) is connected with the contact type temperature sensing element (16), the other end of the telescopic spring tube (20) is connected with the shell (1), the first telescopic rod (14) is also provided with a hanging ring (21), and the telescopic spring tube (20) is positioned in the hanging ring (21);
a push switch (22) is mounted in the housing (1) at a position corresponding to the rotational movement of one end of the push handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440216.2A CN110174187B (en) | 2019-05-24 | 2019-05-24 | Special detection tool for heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440216.2A CN110174187B (en) | 2019-05-24 | 2019-05-24 | Special detection tool for heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110174187A CN110174187A (en) | 2019-08-27 |
| CN110174187B true CN110174187B (en) | 2024-01-23 |
Family
ID=67695652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910440216.2A Active CN110174187B (en) | 2019-05-24 | 2019-05-24 | Special detection tool for heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238687B (en) * | 2020-03-02 | 2021-02-02 | 梁锦钊 | Prevent that operating personnel from being infected thermometric gun fixed equipment |
| CN112082800B (en) * | 2020-09-22 | 2021-05-18 | 广东威尔科技推广有限公司 | Electronic product performance detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0625737U (en) * | 1992-08-28 | 1994-04-08 | 株式会社トーキン | Temperature sensor |
| JPH09196774A (en) * | 1996-01-12 | 1997-07-31 | Canon Inc | Temperature detector and temperature detector for heat roller and fixing device |
| JP2004151005A (en) * | 2002-10-31 | 2004-05-27 | Ngk Spark Plug Co Ltd | Apparatus for detecting gas and temperature |
| JP2011220868A (en) * | 2010-04-09 | 2011-11-04 | Shibaura Electronics Co Ltd | Temperature sensor |
| JP2012078253A (en) * | 2010-10-04 | 2012-04-19 | Semitec Corp | Non-contact type temperature sensor |
-
2019
- 2019-05-24 CN CN201910440216.2A patent/CN110174187B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0625737U (en) * | 1992-08-28 | 1994-04-08 | 株式会社トーキン | Temperature sensor |
| JPH09196774A (en) * | 1996-01-12 | 1997-07-31 | Canon Inc | Temperature detector and temperature detector for heat roller and fixing device |
| JP2004151005A (en) * | 2002-10-31 | 2004-05-27 | Ngk Spark Plug Co Ltd | Apparatus for detecting gas and temperature |
| JP2011220868A (en) * | 2010-04-09 | 2011-11-04 | Shibaura Electronics Co Ltd | Temperature sensor |
| JP2012078253A (en) * | 2010-10-04 | 2012-04-19 | Semitec Corp | Non-contact type temperature sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110174187A (en) | 2019-08-27 |
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| PB01 | Publication | ||
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