CN208835417U - The wiring construction of deep-well type fluid level transmitter - Google Patents
The wiring construction of deep-well type fluid level transmitter Download PDFInfo
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- CN208835417U CN208835417U CN201821820367.8U CN201821820367U CN208835417U CN 208835417 U CN208835417 U CN 208835417U CN 201821820367 U CN201821820367 U CN 201821820367U CN 208835417 U CN208835417 U CN 208835417U
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- fluid level
- type fluid
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Abstract
A kind of wiring construction of deep-well type fluid level transmitter, including terminal box, circuit board, binding post and cable termination；Wherein junction box is hollow structure, circuit board is fixed in terminal box, two cable terminations are set on the side wall of terminal box, the cable of transmitter body side and the cable of sensor side are linked into terminal box by above-mentioned cable termination respectively, set up power -line terminal and transmitter binding post on circuit board separately, power -line terminal is correspondingly connected with the power supply core wire of above-mentioned two parts cable, and transmitter binding post is correspondingly connected with the data core wire of above-mentioned two parts cable.Terminal box has waterproof and breathable performance, and settable lightning protection circuit, to improve the electric property at cable connection, ensure that the safe handling of deep-well type fluid level transmitter to prevent from being struck by lightning.
Description
Technical field
The utility model relates to the technical field of industrial instrument, specifically a kind of wiring knot of deep-well type fluid level transmitter
Structure.
Background technique
Fluid level transmitter is the measuring instrumentss for measuring liquid depth.Throw-in type liquid transmitter is then most common one
Kind of fluid level transmitter, when use, only need to have in the balance cup merging testing liquid with pressure sensor and use
Simply, the accurate feature of measurement result.
For working environment when fluid level transmitter progress deep-well measurement often all in field, operating condition is more severe, and deep
When well measurements cable to be applied to be longer than conventional service condition, thus the feelings of single cable curtailment will occur
Condition needs to use a plurality of cable connection, but if then the electric property at cable butting is poor, then directly by cable butting
Security risk easy to form.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of wiring constructions of deep-well type fluid level transmitter.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
The wiring construction of the deep-well type fluid level transmitter of the utility model, by the cable being connected with transmitter body and with biography
The connected cable of sensor is transferred, including terminal box, circuit board, binding post and cable termination；Wherein junction box is
Hollow structure, circuit board are fixed in terminal box, and two cable terminations are arranged on the side wall of terminal box, transmitter body side
Cable and the cable of sensor side are linked into terminal box by above-mentioned cable termination respectively, set up power -line terminal on circuit board separately
With transmitter binding post, power -line terminal is correspondingly connected with the power supply core wire of above-mentioned two parts cable, and transmitter binding post is corresponding to be connected
Connect the data core wire of above-mentioned two parts cable.
The utility model can also use following technical measures:
Ground terminal is set on the circuit board, and ground terminal in terminal box by being pierced by outward and passing through wired earth.
Lightning prevention circuit is set on the circuit board.
Air hole is set in the terminal box, and air hole is covered by the polymeric membrane for water repellent of breathing freely.
Company cable termination in the terminal box is outer urgent formula waterproof wiring end.
The terminal box includes box body and box cover, and waterproof apron is arranged between box body and box cover and seals.
The utility model has the advantages and positive effects of:
In the wiring construction of the deep-well type fluid level transmitter of the utility model, sets up power supply separately on the circuit board of terminal box and connect
Terminal and transmitter binding post, so that the connection of power supply core wire and data core wire be separated, terminal box has waterproof and breathable performance,
And settable lightning protection circuit, to improve the electric property at cable connection, ensure that deep-well type liquid level becomes to prevent from being struck by lightning
Send the safe handling of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wiring construction of the deep-well type fluid level transmitter of the utility model；
Fig. 2 is the schematic diagram in the terminal box of the wiring construction of the deep-well type fluid level transmitter of the utility model；
Fig. 3 is the circuit diagram of lightning protection circuit in the wiring construction of the deep-well type fluid level transmitter of the utility model.
Specific embodiment
The technical solution of the utility model is described in detail below by way of the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the wiring construction of the deep-well type fluid level transmitter of the utility model, will be with transmitter body
10 connected cables 12 and the cable being connected with sensor 11 are transferred, including terminal box 1, circuit board 2, binding post and cable
Terminals 3；Wherein junction box is hollow structure, and circuit board is fixed in terminal box, and two are arranged on the side wall of terminal box
Cable termination, the cable of transmitter body side and the cable of sensor side are linked into terminal box by above-mentioned cable termination respectively
It is interior, set up power -line terminal 4 and transmitter binding post 5 on circuit board separately, is labeled at " U24-in " and " G " on circuit board in figure
Binding post is power -line terminal, and power -line terminal is correspondingly connected with the power supply core wire of above-mentioned two parts cable, marks on circuit board
It is transmitter binding post by the binding post of " U_0 " and " G0 ", transmitter binding post is correspondingly connected with the number of above-mentioned two parts cable
According to core wire.
Ground terminal 6 is set on circuit board, and ground terminal by being pierced by and by wired earth outward in terminal box, to eliminate circuit
Electrostatic on plate improves the safety in use.
Lightning prevention circuit is set on circuit board, and it is anti-to improve the field at cable connection by the lightning protection circuit being separately provided
Lightning stroke ability.
Air hole 7 is set in terminal box, and air hole is covered by the polymeric membrane for water repellent of breathing freely, and is placed while air inlet outer
The water on boundary enters in terminal box.
Company cable termination in terminal box is outer urgent formula waterproof wiring end, screws cable after cable penetrates terminal box
Terminals, to prevent extraneous water from being entered in terminal box by cable termination.
Terminal box includes box body and box cover, and waterproof apron is arranged between box body and box cover and seals 8.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is any however, be not intended to limit the utility model although the utility model has been described by way of example and in terms of the preferred embodiments
Those skilled in the art are not departing within the scope of technical solutions of the utility model, certainly can be using in the technology disclosed
Appearance makes a little change or modification, becomes the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model
Content, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is all within the scope of the technical scheme of the utility model.
Claims (6)
1. a kind of wiring construction of deep-well type fluid level transmitter, is connected by the cable being connected with transmitter body and with sensor
Cable is transferred, it is characterised in that: including terminal box, circuit board, binding post and cable termination；Wherein junction box is
Hollow structure, circuit board are fixed in terminal box, and two cable terminations are arranged on the side wall of terminal box, transmitter body side
Cable and the cable of sensor side are linked into terminal box by above-mentioned cable termination respectively, set up power -line terminal on circuit board separately
With transmitter binding post, power -line terminal is correspondingly connected with the power supply core wire of above-mentioned two parts cable, and transmitter binding post is corresponding to be connected
Connect the data core wire of above-mentioned two parts cable.
2. the wiring construction of deep-well type fluid level transmitter according to claim 1, it is characterised in that: setting connects on circuit board
Ground terminal, ground terminal in terminal box by being pierced by outward and passing through wired earth.
3. the wiring construction of deep-well type fluid level transmitter according to claim 2, it is characterised in that: be arranged on circuit board anti-
Thunder strike circuit.
4. the wiring construction of deep-well type fluid level transmitter according to claim 3, it is characterised in that: be arranged in terminal box saturating
Stomata, air hole are covered by the polymeric membrane for water repellent of breathing freely.
5. the wiring construction of deep-well type fluid level transmitter according to claim 4, it is characterised in that: the company in terminal box
Cable termination is outer urgent formula waterproof wiring end.
6. the wiring construction of deep-well type fluid level transmitter according to claim 5, it is characterised in that: terminal box includes box body
And box cover, waterproof apron is set between box body and box cover and is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821820367.8U CN208835417U (en) | 2018-11-06 | 2018-11-06 | The wiring construction of deep-well type fluid level transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821820367.8U CN208835417U (en) | 2018-11-06 | 2018-11-06 | The wiring construction of deep-well type fluid level transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835417U true CN208835417U (en) | 2019-05-07 |
Family
ID=66320121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821820367.8U Active CN208835417U (en) | 2018-11-06 | 2018-11-06 | The wiring construction of deep-well type fluid level transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216431A (en) * | 2021-12-14 | 2022-03-22 | 安徽理工大学 | Waterproof device and waterproof sealing method for wiring of drilling well wall monitoring sensor |
-
2018
- 2018-11-06 CN CN201821820367.8U patent/CN208835417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216431A (en) * | 2021-12-14 | 2022-03-22 | 安徽理工大学 | Waterproof device and waterproof sealing method for wiring of drilling well wall monitoring sensor |
| CN114216431B (en) * | 2021-12-14 | 2023-09-29 | 安徽理工大学 | Waterproof device and waterproof sealing method for wiring of well drilling wall monitoring sensor |
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