CN213301511U - High-precision temperature detection device convenient to debug and maintain - Google Patents
High-precision temperature detection device convenient to debug and maintain Download PDFInfo
- Publication number
- CN213301511U CN213301511U CN202022593576.7U CN202022593576U CN213301511U CN 213301511 U CN213301511 U CN 213301511U CN 202022593576 U CN202022593576 U CN 202022593576U CN 213301511 U CN213301511 U CN 213301511U
- Authority
- CN
- China
- Prior art keywords
- temperature detection
- opening
- debugging
- device convenient
- detection device
- 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.)
- Active
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to the technical field of detection equipment, in particular to a high-precision temperature detection device convenient for debugging and maintenance, which comprises a bracket, an induction frame, a circuit board and a sealing cover, wherein one end of the bracket is provided with a fixing hole, and the fixing hole is penetrated by a screw so as to fix the bracket on equipment needing temperature detection; the end, far away from the fixing hole, of the support is provided with an installation opening, one end of the induction frame penetrates through the installation opening, the support is provided with a plurality of locking holes, machine-meter screws are arranged in the locking holes, and the machine-meter screws are in threaded connection with the locking holes and abut against the induction frame so as to enable the induction frame to be fixed in the installation opening; be equipped with the cavity in the response frame, the response frame is equipped with the opening, the circuit board is located in the cavity, sealed pot head is equipped with first sealed rubber ring, sealed lid with opening threaded connection, the utility model provides a high accuracy temperature-detecting device convenient to debugging maintenance can reduce maintenance personal's the dismantlement degree of difficulty, the going on of maintenance work of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the check out test set technique and specifically relates to a high accuracy temperature-detecting device convenient to debugging is maintained.
Background
In the human living environment, temperature plays an extremely important role. Temperature is one of the common process parameters in industrial production, and any physical changes and chemical reaction processes are closely related to temperature, so that temperature control is an important task for production automation. With the development of society, the progress of science and technology and the application of temperature measuring instruments in various fields, intellectualization is the mainstream direction of the development of modern temperature control systems. Meanwhile, temperature detection accounts for a great proportion in industrial application, in most cases, a temperature sensor is very bad, common temperature detection sensing equipment has low waterproof grade, and the service life of the equipment is greatly reduced; and the disassembly is extremely difficult, and if the disassembly is damaged, the maintenance is difficult, so that the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high accuracy temperature-detecting device convenient to debugging is maintained can reduce maintenance personal's the dismantlement degree of difficulty, is convenient for maintain going on of work.
In order to realize the purpose, the utility model discloses a technical scheme be:
a high-precision temperature detection device convenient for debugging and maintenance, which comprises a bracket, an induction frame, a circuit board and a sealing cover,
one end of the bracket is provided with a fixing hole, and the fixing hole is penetrated by a screw so as to fix the bracket on equipment needing temperature inspection; the end, far away from the fixing hole, of the support is provided with an installation opening, one end of the induction frame penetrates through the installation opening, the support is provided with a plurality of locking holes, the locking holes are uniformly distributed around the installation opening in a surrounding manner, the locking holes are communicated with the installation opening, machine-rice screws are arranged in the locking holes, and the machine-rice screws are in threaded connection with the locking holes and abut against the induction frame so as to enable the induction frame to be fixed in the installation opening;
the induction frame is internally provided with a cavity, one end of the induction frame, which is far away from the mounting port, is provided with an opening communicated with the cavity, the circuit board is arranged in the cavity and used for acquiring the temperature of the induction frame, the sealing cover is sleeved with a first sealing rubber ring, the sealing cover is in threaded connection with the opening, and two sides of the first sealing rubber ring are respectively connected with the sealing cover and the induction frame in an abutting mode.
Further, the support includes fixed part and installation department, the one end of fixed part with the one end of installation department is passed through the bolt and is articulated, just the bolt is equipped with the nut, the nut with bolt threaded connection, just the nut can be right the fixed part reaches the articulated department of installation department carries out the centre gripping fixed, so that the fixed part with the installation department keeps fixed contained angle.
Further, the fixed orifices are arranged at one ends, far away from the mounting part, of the fixed parts, and the mounting openings are located at one ends, far away from the fixed parts, of the mounting parts.
Furthermore, an induction head is arranged at one end, far away from the opening, of the induction frame.
Furthermore, a second sealing rubber ring is arranged in the cavity and located between the circuit board and the opening, and after the sealing cover closes the opening, two sides of the second sealing rubber ring are respectively abutted to the induction frame and the sealing cover.
Furthermore, the second sealing rubber ring is made of silica gel.
Furthermore, the cavity is filled with epoxy resin glue.
The utility model has the advantages that:
1. the screw is arranged in the fixing hole in a penetrating mode, and the screw is in threaded connection with a position needing temperature inspection, so that the support can be fixed on equipment needing temperature inspection. The machine-meter screw is screwed up to be in threaded connection with the locking hole and abutted against the induction frame, so that the induction frame is fixed in the mounting hole, the temperature to be detected can be accurately detected through the induction frame, and the physical quantity can be converted into a digital signal by the circuit board, so that the temperature detection is realized; when needs are maintained the device, through unscrewing the quick-witted meter screw for the response frame can be dismantled out from the installing port, so that going on of maintenance work reduces maintenance personal's the dismantlement degree of difficulty, is convenient for go on of maintenance work. Because sealed lid and opening threaded connection can dismantle the circuit board from the cavity through unscrewing sealed lid, under the effect of first sealed rubber ring, can improve the leakproofness of sealed lid and response frame, prevent to lead to the circuit board short circuit because of the cavity intakes, improved the life of device.
2. Because the bolt joint is passed through with the one end of installation department to the one end of fixed part, fixed part and installation department can the free rotation, and the installing port is located the installation department and keeps away from the one end of fixed part, can adjust the angle between fixed part and the installation department after unscrewing the nut to realize the adjustment of the orientation position of response frame, so that the position of the required detection temperature of response frame orientation.
3. Under the action of the second sealing rubber ring, the sealing performance in the cavity can be further ensured, and the circuit board is prevented from being damaged due to the fact that water vapor enters the cavity; and the epoxy resin glue filled in the cavity can effectively protect the circuit board.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision temperature detection device convenient for debugging and maintenance according to a preferred embodiment of the present invention.
Fig. 2 is an exploded schematic view of the high-precision temperature detecting device according to a preferred embodiment of the present invention, which is convenient for debugging and maintenance.
Fig. 3 is a circuit board block diagram of the high-precision temperature detection device convenient for debugging and maintenance according to a preferred embodiment of the present invention.
In the figure, 1-bracket, 11-fixing hole, 12-mounting hole, 13-screw, 2-induction frame, 201-induction head, 21-cavity, 22-opening, 23-second sealing rubber ring, 3-circuit board, 31-platinum thermal resistor, 32-current conversion circuit, 4-sealing cover, 41-first sealing rubber ring, 5-bolt and 51-nut.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, the high precision temperature detecting device for debugging and maintaining according to a preferred embodiment of the present invention includes a bracket 1, an induction frame 2, a circuit board 3 and a sealing cover 4.
One end of the bracket 1 is provided with a fixing hole 11, and the fixing hole 11 is penetrated through by a screw, so that the bracket 1 is fixed on equipment needing temperature inspection. The position of the bracket 1 is fixed by inserting a screw into the fixing hole 11 and screwing the screw to a position to be checked for temperature.
The one end that fixed orifices 11 was kept away from to support 1 is installing port 12, and installing port 12 is worn to locate by response frame 2 one end, and support 1 is equipped with a plurality of locking holes, and the locking hole encircles the equipartition around installing port 12, and the locking hole communicates in installing port 12, is equipped with machine rice screw 13 in the locking hole, machine rice screw 13 with locking hole threaded connection and with response frame 2 butt to make response frame 2 fix in installing port 12.
Be equipped with cavity 21 in the response frame 2, the one end that the installing port 12 was kept away from to response frame 2 is equipped with the opening 22 with cavity 21 intercommunication, and circuit board 3 is located in cavity 21, and circuit board 3 is used for acquireing the temperature of response frame 2, and 4 covers of sealed lid are equipped with first sealed rubber ring 41, sealed lid 4 and opening 22 threaded connection to make first sealed rubber ring 41 both sides respectively with sealed lid 4 and 2 butts of response frame.
Through screwing up quick-witted rice screw 13 for quick-witted rice screw 13 with locking hole threaded connection and with 2 butts of response frame, realized fixing response frame 2 in the installing port, can accurately survey the temperature of required inspection through response frame 2, and circuit board 3 can trun into the physical signal into digital signal, thereby realizes temperature detection.
When needs are maintained the device, through unscrewing machine meter screw 13 for response frame 2 can be dismantled out from installing port 12, so that the going on of maintenance work reduces maintenance personal's the dismantlement degree of difficulty, and the going on of maintenance work of being convenient for. Because sealed lid 4 and opening 22 threaded connection, can dismantle circuit board 3 from cavity 21 out through unscrewing sealed lid 4, under the effect of first sealed rubber ring 41, can improve the leakproofness of sealed lid 4 and induction frame 2, prevent to lead to the circuit board 3 short circuit because of cavity 21 intakes, improved the life of device.
In this embodiment, the bracket 1 includes a fixing portion 101 and an installation portion 102, one end of the fixing portion 101 is hinged to one end of the installation portion 102 through a bolt 5, the bolt 5 is provided with a nut 51, the nut 51 is in threaded connection with the bolt 5, and the nut 51 can clamp and fix the hinged position of the fixing portion 101 and the installation portion 102, so that the fixing portion 101 and the installation portion 102 maintain a fixed included angle.
The fixing hole 11 is provided at an end of the fixing portion 101 remote from the mounting portion 102, and the mounting opening 12 is located at an end of the mounting portion 102 remote from the fixing portion 101.
Because the one end of fixed part passes through the bolt 5 with the one end of installation department and articulates, fixed part 101 can freely rotate with installation department 102, and installation mouth 12 is located the one end that installation department 102 is kept away from fixed part 11, can adjust the angle between fixed part 101 and the installation department 102 after loosening nut 51 to realize the adjustment of the orientation position of induction frame 2, so that the induction frame faces the position that needs the detection temperature. The fixing portion 101 of this embodiment is provided with a notch, the mounting portion 102 is provided with a protrusion engaged with the notch, the protrusion is embedded into the notch, and the bolt 5 is respectively rotated to penetrate through the notch and the protrusion, so as to realize the hinge connection of the fixing portion 101 and the mounting portion 102, two ends of the fixing portion 101 are clamped by the bolt 5 and the nut 51, so that the notch clamps and fixes the protrusion, thereby realizing the fixed included angle between the fixing portion 101 and the mounting portion 102 by tightening the nut 51.
Preferably, the end of the induction frame 2 away from the opening 22 is provided with an induction head 201. Under the effect of inductive head 201, can make circuit board 3 obtain temperature information more accurately. The installing port 12 of this embodiment is equipped with the draw-in groove 121 all around, draw-in groove 121 concave establish with support 1 to make behind the installing port 12 is worn to locate by inductive head 201, in inductive rack 2 can imbed draw-in groove 121, improved the stability that inductive rack 2 and support 1 are connected.
In this embodiment, the cavity 21 is provided with a second sealing rubber ring 23, the second sealing rubber ring 23 is located between the circuit board 3 and the opening 22, and after the sealing cover 4 closes the opening 22, two sides of the second sealing rubber ring 23 are respectively abutted to the induction frame 2 and the sealing cover 4. Under the effect of second sealing rubber ring 23, can further guarantee the leakproofness in cavity 21, prevent that steam from getting into cavity 21 and causing the damage of circuit board 3.
The second sealing rubber ring 23 is made of silica gel, the second sealing rubber ring 23 made of silica gel can prolong the service life of the second sealing rubber ring 23, and the second sealing rubber ring 23 can be used for a long time within the temperature range of-60 ℃ to +200 ℃, can be heated at high strength, is not deformed and does not generate harmful substances; the corona resistance, the arc resistance, the high and low temperature resistance, the aging resistance and the high temperature resistance are all higher, and the standard of FDA and SGS is met.
The cavity 21 is filled with epoxy resin glue, and the epoxy resin glue can effectively protect the circuit board, so that the waterproof effect in the cavity 21 is further improved.
As shown in fig. 3, the circuit board 3 of the present embodiment includes a platinum thermistor 31 and a current conversion module 32, and the platinum thermistor 31 obtains the temperature of the required inspection equipment by using the change of the resistance value of the platinum wire with the temperature change. The current conversion module 32 adopts a current loop technology to transmit signals through current, wherein 4-20 mA current loops represent zero signals by 4mA, 20mA represents full scales of signals, and signals lower than 4mA and higher than 20mA are used for alarming various faults.
Because the signal that ordinary temperature detection sensing equipment transmitted is the voltage signal, can have following drawback: the transmission line is disturbed by noise; the distributed resistance of the transmission line will generate a voltage drop; it is difficult to provide the operating voltage of the instrumentation amplifier in the field. Because the current is not sensitive to noise, the circuit board of the embodiment adopts the current loop technology to replace voltage output, and can accurately acquire a temperature signal.
The application method of the high-precision temperature detection device convenient for debugging and maintenance in the embodiment comprises the following steps: the bracket 1 is fixed by inserting a screw into the fixing hole 11 and inserting a screw thread into a device requiring temperature inspection. Wear to locate installing port 12 with inductive head 201, through screwing up machine rice screw 13, make machine rice screw 13 and induction frame 2 butt, according to the position of required detection temperature, adjustment installation department 102 and fixed part 101 to suitable angle make inductive head 201 towards the position of required detection temperature, screw up nut 51 makes fixed part 101 and installation department 102 keep fixed contained angle to make inductive head 201 fix the position of the required detection temperature of orientation.
Claims (7)
1. A high-precision temperature detection device convenient for debugging and maintenance is characterized by comprising a bracket (1), an induction frame (2), a circuit board (3) and a sealing cover (4),
one end of the bracket (1) is provided with a fixing hole (11), and the fixing hole (11) is penetrated through by a screw so that the bracket (1) is fixed on equipment needing temperature inspection; one end, far away from the fixing hole (11), of the support (1) is provided with a mounting hole (12), one end of the induction frame (2) penetrates through the mounting hole (12), the support (1) is provided with a plurality of locking holes, the locking holes are uniformly distributed around the mounting hole (12) in a surrounding mode, the locking holes are communicated with the mounting hole (12), a machine-meter screw (13) is arranged in each locking hole, and the machine-meter screw (13) is in threaded connection with the locking holes and is abutted against the induction frame (2) so that the induction frame (2) is fixed in the mounting hole (12);
be equipped with cavity (21) in response frame (2), response frame (2) are kept away from the one end of installing port (12) be equipped with opening (22) of cavity (21) intercommunication, circuit board (3) are located in cavity (21), just circuit board (3) are used for acquireing the temperature of response frame (2), sealed lid (4) cover is equipped with first sealed rubber ring (41), sealed lid (4) with opening (22) threaded connection, and make first sealed rubber ring (41) both sides respectively with sealed lid (4) reach response frame (2) butt.
2. The high-precision temperature detection device convenient for debugging and maintenance according to claim 1, characterized in that: support (1) includes fixed part (101) and installation department (102), the one end of fixed part (101) with the one end of installation department (102) is passed through bolt (5) and is articulated, just bolt (5) are equipped with nut (51), nut (51) with bolt (5) threaded connection, just nut (51) can be right fixed part (101) reach the articulated department of installation department (102) carries out the centre gripping fixed, so that fixed part (101) with installation department (102) keeps fixed contained angle.
3. A high-precision temperature detection device convenient for debugging and maintenance according to claim 2, characterized in that: the fixing hole (11) is formed in one end, far away from the mounting portion (102), of the fixing portion (101), and the mounting opening (12) is located at one end, far away from the fixing portion (101), of the mounting portion (102).
4. The high-precision temperature detection device convenient for debugging and maintenance according to claim 1, characterized in that: an induction head (201) is arranged at one end, far away from the opening (22), of the induction frame (2).
5. The high-precision temperature detection device convenient for debugging and maintenance according to claim 1, characterized in that: a second sealing rubber ring (23) is arranged in the cavity (21), the second sealing rubber ring (23) is located between the circuit board (3) and the opening (22), and after the sealing cover (4) seals the opening (22), two sides of the second sealing rubber ring (23) are respectively abutted to the induction frame (2) and the sealing cover (4).
6. The high-precision temperature detection device convenient for debugging and maintenance according to claim 5, wherein: and the second sealing rubber ring (23) is made of silica gel.
7. The high-precision temperature detection device convenient for debugging and maintenance according to claim 5, wherein: the cavity (21) is filled with epoxy resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593576.7U CN213301511U (en) | 2020-11-11 | 2020-11-11 | High-precision temperature detection device convenient to debug and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593576.7U CN213301511U (en) | 2020-11-11 | 2020-11-11 | High-precision temperature detection device convenient to debug and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301511U true CN213301511U (en) | 2021-05-28 |
Family
ID=76014312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022593576.7U Active CN213301511U (en) | 2020-11-11 | 2020-11-11 | High-precision temperature detection device convenient to debug and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213301511U (en) |
-
2020
- 2020-11-11 CN CN202022593576.7U patent/CN213301511U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230375426A1 (en) | Pressure monitoring system for wet barrel hydrant | |
| CN109579880B (en) | Magnetic encoder with adaptive compensation function | |
| US20090133506A1 (en) | Method of construction for a low cost plastic ultrasonic water meter | |
| CN109342807B (en) | Voltage sensing device combining elastic light modulation and electro-optic modulation and detection method | |
| CN213301511U (en) | High-precision temperature detection device convenient to debug and maintain | |
| CN206648773U (en) | Intelligent pressure transmitter and its detecting system | |
| CN104076180A (en) | Dual probe-based calibration-free optical current sensor and method | |
| CN111076680A (en) | Fiber grating sensor for dynamically monitoring ship attitude and application | |
| CN216899145U (en) | Mining flame-proof type liquid level temperature sensor with digital display | |
| CN109781199A (en) | A kind of high-precision low discharge detection device based on firm power | |
| CN210135963U (en) | Vortex street flowmeter capable of remotely reading meter | |
| CN204902874U (en) | Anti thump and high pressure resistant temperature and pressure sensor composite set | |
| CN210464779U (en) | Prevent full intelligent pressure transmitter of jam | |
| CN208887835U (en) | A kind of intelligent self-diagnosing formula pressure transmitter device | |
| CN211504243U (en) | Pipeline fluid measuring device for measuring fluid speed, temperature and humidity and wall temperature | |
| CN209784330U (en) | Multi-parameter submerged bracket without adhesive | |
| CN219761814U (en) | Sensor for microwave transmission | |
| CN111681392B (en) | River hydrological measurement system | |
| CN211477186U (en) | Combined type instrument shell | |
| CN210741729U (en) | Pressure transmitter measuring device | |
| CN211527655U (en) | Explosion-proof digital integrated temperature transmitter | |
| CN217155578U (en) | Synchronous test calibration device suitable for many magnetoelectric vibration sensors | |
| CN210952964U (en) | Large-caliber anti-seismic vortex shedding flowmeter | |
| CN210108542U (en) | Digital display thermometer | |
| CN213933148U (en) | Cooling tower surface crack diagnostic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |