CN208366485U - A kind of low-cost digital thermometer - Google Patents
A kind of low-cost digital thermometer Download PDFInfo
- Publication number
- CN208366485U CN208366485U CN201821149850.8U CN201821149850U CN208366485U CN 208366485 U CN208366485 U CN 208366485U CN 201821149850 U CN201821149850 U CN 201821149850U CN 208366485 U CN208366485 U CN 208366485U
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- shell
- memory
- digital thermometer
- circuit board
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Abstract
The utility model discloses a kind of low-cost digital thermometers.Including shell (1)；Circuit board (2) are equipped in shell (1), memory (3) are installed on circuit board (2), included digital thermometer inside memory (3), the accessory power outlet (4) of memory (3) are located at circuit board (2) bottom surface, are threadedly coupled at the top of shell (1) with end cap (5)；Shell (1) bottom is equipped with the external pipe thread (6) connecting with the temperature test mouth on oil well production tree.The utility model passes through the improvement to existing temperature-testing device, the external pipe thread that shell carries need to be only screwed on oil temperature test mouth during installation, it is not required to consider the fitting depth of oil temperature test mouth, to reducing installation requirement and cost, improves the cost performance of thermometer and practicability and solve the problems, such as in-site installation inconvenience.
Description
Technical field
The utility model relates to a kind of low-cost digital thermometers, belong to temperature test technical field.
Background technique
Oilfield test oil temperature generallys use temperature transmitter.The Temperature probe of temperature transmitter must be converted with A/D
Device can just become digital quantity, and existing temperature transmitter and A/D converter price are higher, in addition Temperature probe difference in length
Greatly, it is more troublesome inconvenient when installing at the scene to debug, need to find out every time before installation oil temperature test mouth allow to install it is deep
Degree.Once the installation allowable depth that oil temperature tests mouth is shallower, and Temperature probe length partially can not be installed with regard to generation scene, no
Energy proper testing temperature tests the conventional Temperature of oil well to influence oil field.
Utility model content
The purpose of this utility model is to provide a kind of low-cost digital thermometers.Temperature is carried using memory inside to pass
The digital thermometer of sensor, it is cheap, installation requirement and cost are reduced, the cost performance of thermometer is improved and practicability and solves
It has determined in-site installation inconvenience problem.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of low-cost digital thermometer, including shell；It is equipped with circuit board in shell, memory is installed on circuit board,
Memory inside carries digital thermometer, and the accessory power outlet of memory is located at circuit board bottom surface, and case top and end cap screw thread connect
It connects；Housing bottom is equipped with the external pipe thread connecting with the temperature test mouth on oil well production tree.
In aforementioned low-cost digital thermometer, rectangular recess is equipped in the shell, rectangular recess is equipped with step, step
It is equipped with cushion blocking；The circuit board is located on cushion blocking.
In aforementioned low-cost digital thermometer, the cushion blocking is rectangular ring rubber mat.
In aforementioned low-cost digital thermometer, the accessory power outlet of the memory is waterproof socket.
In aforementioned low-cost digital thermometer, the case top is equipped with internal screw thread, and end cap is equipped with external screw thread, on end cap
External screw thread and case top internal screw thread connect, between end cap and shell be equipped with sealing ring.
In aforementioned low-cost digital thermometer, the sealing ring is circular rubber mat.
Compared with prior art, the utility model, during installation only need to be by shell by the improvement to temperature-testing device
Included external pipe thread is screwed on oil temperature test mouth, is not required to consider the fitting depth of oil temperature test mouth, thus
Installation requirement and cost are reduced, the cost performance of thermometer is improved and practicability and solves the problems, such as in-site installation inconvenience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the assembling schematic diagram of the utility model.
Description of symbols: 1- shell, 2- circuit board, 3- memory, 4- accessory power outlet, 5- end cap, 6- external pipe thread, 7-
Rectangular recess, 8- step, 9- cushion blocking, 10- internal screw thread, 11- external screw thread, 12- sealing ring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
A kind of low-cost digital thermometer, as depicted in figs. 1 and 2.Including shell 1；Circuit board 2, circuit are equipped in shell 1
Memory 3 is installed on plate 2, carries digital thermometer inside memory 3, the accessory power outlet 4 of memory 3 is located at 2 bottom of circuit board
Face, 1 top of shell are threadedly coupled with end cap 5；1 bottom of shell is equipped with the outer tube connecting with the temperature test mouth on oil well production tree
Screw thread 6.Rectangular recess 7 is equipped in shell 1, rectangular recess 7 is equipped with step 8, and step 8 is equipped with cushion blocking 9；The circuit board
2 are located on cushion blocking 9.Cushion blocking 9 is rectangular ring rubber mat.The accessory power outlet 4 of memory 3 is waterproof socket.It is set at the top of shell 1
There is internal screw thread 10, end cap 5 is equipped with external screw thread 11, and the external screw thread 11 on end cap 5 is connect with the internal screw thread 10 at 1 top of shell,
Sealing ring 12 is equipped between end cap 5 and shell 1.Sealing ring 12 is circular rubber mat.
Embodiment
The Temperature probe of existing temperature transmitter must can just become digital quantity, existing temperature pick-up with A/D converter
Device and A/D converter price are higher, and in addition Temperature probe difference in length is big, debug not square when more troublesome installation at the scene
Just, it needs to find out the permission fitting depth that oil temperature tests mouth before installation every time.Once the installation that oil temperature tests mouth allows
Depth is shallower, and Temperature probe length partially can not be installed with regard to generation scene, proper testing temperature is unable to, to influence oil field to oil
The conventional Temperature of well is tested.
This example is the improvement to existing temperature transmitter, and specific structure of improving is as depicted in figs. 1 and 2, including memory
3, temperature sensor is carried inside memory 3, memory 3 is welded on the top surface of circuit board 2, and the accessory power outlet 4 of memory 3 is located at
The bottom surface of circuit board 2 constitutes component together and is packed into shell 1.The rectangular recess 7 of 1 cylindrical of shell, groove are also possible to six sides
Body.Groove is equipped with step 8, and in order to mounting circuit boards 2,1 one end of shell is machined with external pipe thread 6, convenient for pacifying shell 1
On the temperature test mouth of oil well production tree, circuit board 2 is sealed in shell 1 by the end cap 5 of shell 1.
The shell and end cap of this example are all made of that metallic aluminum material is easy to process, and the digital thermometer of this example is very light and handy, and
Shell 1 can be carried out live Fast Installation with external pipe thread.The digital thermometer of this example tests temperature using included temperature sensor
Degree, not exposed sensing head have well solved and have installed inconvenient problem in the prior art.The utility model discloses one kind
The digital thermometer of temperature sensor, including memory are carried using memory inside, memory inside carries temperature sensor,
It is welded on the top surface of circuit board, and the bottom surface of circuit board is welded with accessory power outlet, constituting component together is packed into shell, in shell
Chamber is column, and column can be tetragonal prism and be also possible to hexagonal prism, installs and fixes in order to circuit board, there is outer tube in one end of shell
Screw thread is easily installed on the production tree of oil well, and circuit board is by end cap seal in shell.The digital thermometer of this example utilizes
Included temperature sensor test temperature, not exposed sensing head have well solved and have installed inconvenient problem in the prior art,
Also installation requirement and cost are reduced, the cost performance and practicability of thermometer are improved.
Claims (6)
1. a kind of low-cost digital thermometer, including shell (1)；It is characterized by: circuit board (2) are equipped in shell (1), circuit
It is equipped on plate (2) memory (3), included digital thermometer, the accessory power outlet (4) of memory (3) are located inside memory (3)
Circuit board (2) bottom surface, shell (1) top are threadedly coupled with end cap (5)；Shell (1) bottom is equipped with and the temperature on oil well production tree
The external pipe thread (6) of degree test mouth connection.
2. low-cost digital thermometer according to claim 1, it is characterised in that: be equipped with rectangular recess in the shell (1)
(7), rectangular recess (7) is equipped with step (8), and step (8) is equipped with cushion blocking (9)；The circuit board (2) is located at cushion blocking
(9) on.
3. low-cost digital thermometer according to claim 2, it is characterised in that: the cushion blocking (9) is rectangular ring glue
Pad.
4. low-cost digital thermometer according to claim 1, it is characterised in that: the accessory power outlet (4) of the memory (3)
For waterproof socket.
5. low-cost digital thermometer according to claim 1, it is characterised in that: be equipped with internal screw thread at the top of the shell (1)
(10), end cap (5) is equipped with external screw thread (11), and the internal screw thread (10) at the top of external screw thread (11) and shell (1) on end cap (5) is even
It connects, is equipped with sealing ring (12) between end cap (5) and shell (1).
6. low-cost digital thermometer according to claim 5, it is characterised in that: the sealing ring (12) is circular glue
Pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149850.8U CN208366485U (en) | 2018-07-17 | 2018-07-17 | A kind of low-cost digital thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149850.8U CN208366485U (en) | 2018-07-17 | 2018-07-17 | A kind of low-cost digital thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366485U true CN208366485U (en) | 2019-01-11 |
Family
ID=64925651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821149850.8U Active CN208366485U (en) | 2018-07-17 | 2018-07-17 | A kind of low-cost digital thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366485U (en) |
-
2018
- 2018-07-17 CN CN201821149850.8U patent/CN208366485U/en active Active
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