CN206523249U - A kind of anti-interference digital temperature sensor - Google Patents
A kind of anti-interference digital temperature sensor Download PDFInfo
- Publication number
- CN206523249U CN206523249U CN201720226695.4U CN201720226695U CN206523249U CN 206523249 U CN206523249 U CN 206523249U CN 201720226695 U CN201720226695 U CN 201720226695U CN 206523249 U CN206523249 U CN 206523249U
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- circuit board
- wire
- privates
- digital temperature
- output end
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Abstract
The utility model discloses a kind of anti-interference digital temperature sensor, including the first wire, the second wire and first circuit board, first wire, the second wire are connected to the output end of first circuit board, input on the first circuit board is connected with the output end of second circuit board, the output end of the second circuit board is connected with privates and privates, the input of the second circuit board is connected with terminal, and the terminal is provided with magnet ring with second circuit board junction；The anti-interference digital temperature sensor can reduce interference suffered during signal transmission by four different conductor terminals, can further improve its interference free performance by magnet ring, measurement is accurate.
Description
Technical field
The utility model is related to temperature sensor technology field, more particularly to a kind of anti-interference digital temperature sensor.
Background technology
Digital temperature-humidity sensor：It is exactly that temperature physical quantity and humidity physical quantity can be passed through epidemic disaster sensing element
With related circuit be converted into facilitating the data acquisition equipments such as computer, plc, intelligence instrument to directly read digital quantity sensing
Device.
CN201220004928 disclosed a kind of anti-interference digital temperature sensor, including frame on 01 04th, 2012
And inflation film manufacturing machine, comprising hook, shell, display, internal circuit, output interface and temp probe, shell upper is provided with extension, outside
Shell lower end is provided with output interface and temp probe, and shell front side is provided with display, display, output interface and temp probe
It is connected, patent CN201220004928 is simple in construction, easy to use, can shows in real time with the internal circuit of enclosure
Temperature and outputting standard analog signal, it is reliable and stable, but patent CN201220004928 single-chip microcomputers directly connect with EBI
Connect, its interference free performance is poor, signal transmission is easily interfered, and measurement can be caused inaccurate.
Utility model content
In view of above-mentioned technical problem, the purpose of this utility model is to provide a kind of anti-interference digital temperature sensor, its
It can reduce interference suffered when signal transmission by four different conductor terminals, can further be improved by magnet ring
Its interference free performance, measurement is accurate.
The utility model provides a kind of anti-interference digital temperature sensor, including the first wire, the second wire and the first electricity
Road plate, first wire, the second wire are connected to the input on the output end of first circuit board, the first circuit board
End is connected with the output end of second circuit board, and the output end of the second circuit board is connected with privates and privates, institute
The input for stating second circuit board is connected with terminal, and the terminal is provided with magnet ring with second circuit board junction.
Preferably, the terminal is additionally provided with heat-shrinkable T bush with second circuit board junction.Effectively insulation.
Preferably, the terminal is provided with glue shell.Effectively protection terminal is connected with wire is not easily susceptible to destruction.
Preferably, first wire, the second wire, privates and privates are respectively pure nickel lead.It is conductive
Property is good.
The utility model also provides a kind of digital temperature sensing device, including PLC, the PLC input
It is respectively equipped with power supply on end, first wire, the second wire, privates and privates are connected to PLC controls
On device, the output end of the PLC is additionally provided with display screen.
Operation principle：PLC starts, and by power supply supply of electrical energy, makes the first wire, the second wire, privates
It is separately energized with privates, terminal running is measured the data of actual temperature, a measured electric signal part passes through the
Two circuit boards are transmitted from privates and privates, and another part is then passing through second circuit board and first circuit board from first
Wire and privates transmission, whole signals are pooled in PLC, directly will actual temperature by the calculating of PLC
Degree display is over the display.
The utility model compared with prior art, the advantage is that：First wire, the second wire are connected to the first electricity
Input on the output end of road plate, first circuit board is connected with the output end of second circuit board, the output end of second circuit board
Privates and privates are connected with, the input of second circuit board is connected with terminal, terminal and second circuit board junction
It is suffered during reduction signal transmission by the first wire, the second wire, privates and privates connection terminal provided with magnet ring
The interference arrived, its interference free performance can be further improved by magnet ring, and measurement is accurate.
Brief description of the drawings
The essential structure of the anti-interference digital temperature sensor of the utility model is illustrated with reference to the accompanying drawings, wherein：
Fig. 1 is the structural representation of this practical anti-interference digital temperature sensor；
Fig. 2 is the structural representation of this practical digital temperature sensing device.
Embodiment
For clarity of illustration, anti-interference digital temperature sensor is said in an illustrative manner with reference to the accompanying drawings
It is bright.It should be appreciated that the utility model is not intended to be limited thereto.
Embodiment 1
As shown in figure 1, anti-interference digital temperature sensor of the present utility model, including the first wire 1, the and of the second wire 2
First circuit board 3, first wire 1, the second wire 2 are connected to the output end of first circuit board 3, first circuit
Input on plate 3 is connected with the output end of second circuit board 4, and the output end of the second circuit board 4 is connected with privates 5
With privates 6, the input of the second circuit board 4 is connected with terminal 7, and the terminal 7 is set with the junction of second circuit board 4
There is magnet ring 8.
The terminal 7 is additionally provided with heat-shrinkable T bush 9 with the junction of second circuit board 4.Effectively insulation.
The terminal 7 is provided with glue shell 10.Effectively protection terminal 7 is connected with wire is not easily susceptible to destruction.
First wire 1, the second wire 2, privates 5 and privates 6 are respectively pure nickel lead.Electric conductivity is good
It is good.
The utility model compared with prior art, the advantage is that：First wire, the second wire are connected to the first electricity
Input on the output end of road plate, first circuit board is connected with the output end of second circuit board, the output end of second circuit board
Privates and privates are connected with, the input of second circuit board is connected with terminal, terminal and second circuit board junction
It is suffered during reduction signal transmission by the first wire, the second wire, privates and privates connection terminal provided with magnet ring
The interference arrived, its interference free performance can be further improved by magnet ring, and measurement is accurate.
Embodiment 2
As shown in Figure 1-2, anti-interference digital temperature sensor of the present utility model, including the first wire 1, the second wire 2
With first circuit board 3, first wire 1, the second wire 2 are connected to the output end of first circuit board 3, first electricity
Input on road plate 3 is connected with the output end of second circuit board 4, and the output end of the second circuit board 4 is connected with the 3rd and led
Line 5 and privates 6, the input of the second circuit board 4 are connected with terminal 7, and the terminal 7 is connected with second circuit board 4
Place is provided with magnet ring 8.
The terminal 7 is additionally provided with heat-shrinkable T bush 9 with the junction of second circuit board 4.Effectively insulation.
The terminal 7 is provided with glue shell 10.Effectively protection terminal 7 is connected with wire is not easily susceptible to destruction.
First wire 1, the second wire 2, privates 5 and privates 6 are respectively pure nickel lead.Electric conductivity is good
It is good.
The utility model also provides a kind of digital temperature sensing device, including PLC 11, the PLC 11
It is respectively equipped with power supply 12 on input, first wire 1, the second wire 2, the connection respectively of privates 5 and privates 6
In in PLC 11, the output end of the PLC 11 is additionally provided with display screen 13.
The utility model compared with prior art, the advantage is that：First wire, the second wire are connected to the first electricity
Input on the output end of road plate, first circuit board is connected with the output end of second circuit board, the output end of second circuit board
Privates and privates are connected with, the input of second circuit board is connected with terminal, terminal and second circuit board junction
It is suffered during reduction signal transmission by the first wire, the second wire, privates and privates connection terminal provided with magnet ring
The interference arrived, its interference free performance can be further improved by magnet ring, and measurement is accurate, the first wire, the second wire, privates
With being connected in PLC for privates, the output end of controller is additionally provided with display screen, by the number measured by terminal
According to being all pooled in PLC, by the calculating of PLC, directly actual temperature is shown over the display.
Preferred embodiment of the present utility model is clearly stated above with reference to accompanying drawing, it is understood, however, that the utility model
It is not intended to be limited thereto.For those skilled in the art, the utility model can have various modifications and variations.It is all in this reality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in of the present utility model
Within right.
Claims (5)
1. a kind of anti-interference digital temperature sensor, it is characterised in that：Including the first wire, the second wire and first circuit board,
The input that first wire, the second wire are connected on the output end of first circuit board, the first circuit board connects
The output end of second circuit board is connected to, the output end of the second circuit board is connected with privates and privates, described
The input of two circuit boards is connected with terminal, and the terminal is provided with magnet ring with second circuit board junction.
2. anti-interference digital temperature sensor according to claim 1, it is characterised in that：The terminal and second circuit board
Junction is additionally provided with heat-shrinkable T bush.
3. anti-interference digital temperature sensor according to claim 2, it is characterised in that：The terminal is provided with glue shell.
4. anti-interference digital temperature sensor according to claim 3, it is characterised in that：First wire, second are led
Line, privates and privates are respectively pure nickel lead.
5. a kind of digital temperature sensing device, including PLC, it is characterised in that：Also include as claimed in claim 4 anti-
Digital temperature sensor is disturbed, power supply is respectively equipped with the PLC input, first wire, the second wire, the
Three wires and privates are connected in PLC, and the output end of the PLC is additionally provided with display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226695.4U CN206523249U (en) | 2017-03-09 | 2017-03-09 | A kind of anti-interference digital temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226695.4U CN206523249U (en) | 2017-03-09 | 2017-03-09 | A kind of anti-interference digital temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523249U true CN206523249U (en) | 2017-09-26 |
Family
ID=59902900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720226695.4U Active CN206523249U (en) | 2017-03-09 | 2017-03-09 | A kind of anti-interference digital temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523249U (en) |
-
2017
- 2017-03-09 CN CN201720226695.4U patent/CN206523249U/en active Active
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