CN208642556U - A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved - Google Patents
A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved Download PDFInfo
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- CN208642556U CN208642556U CN201821033970.1U CN201821033970U CN208642556U CN 208642556 U CN208642556 U CN 208642556U CN 201821033970 U CN201821033970 U CN 201821033970U CN 208642556 U CN208642556 U CN 208642556U
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- salt box
- conductivity
- improved
- control circuit
- box conductivity
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Abstract
A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved, it is characterized in that, being sequentially formed by connecting by ± 12V Switching Power Supply (1), salt box conductivity transmitter (2), 4-20mA/10V passive signal transmitter (3), single-chip microcontroller digital voltage relay (4), stirring motor (5), power switch (6).Salt box conductivity can be improved in the utility model, saves human resources, improves working efficiency.
Description
Technical field
The utility model relates to power industry converter station converter valve external condensation system technical fields, and in particular to cooling system salt
The automatic stirring control circuit of case.
Background technique
The outer cold water hardness of the converter valve of converter station is too high, will make the coil pipe fouling of external condensation system spray equipment, fouling is too
It is more, valve cooling efficiency will be made to decline, decline direct current transmission power, if fouling thickness continues growing, converter valve cooling effect
It will lose, and eventually lead to entire D.C. high voltage transmission and stop transport.
Valve external condensation system coil pipe fouling in order to prevent causes its disabler, and salt box is needed to add salt in cold water outside valve
Calcium ions and magnesium ions swap.The solubility for the Nacl purchased every time is all different (and it is qualified for passing through the postindustrial salt of inspection),
In order to ensure the ion of cooling system water outside valve normally exchanges, the conductivity of salt box saline solution should be in 120mS/cm~180mS/
Between cm.Otherwise with regard to needing manually to be stirred, if the conductivity of salt box saline solution is increased to 180mS/ by 120mS/cm
Cm needs 4 people, could complete within continuous work 1.5 hours or so, and human resources consumption is big, and working efficiency is low.
Summary of the invention
The purpose of this utility model is precisely in order to solve to improve salt box conductivity above by artificial stirring, human resources disappear
Consumption is big, the low problem of working efficiency, provides a kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved.
The technical solution adopted in the utility model is as follows:
The low automatic stirring control circuit of a kind of SCM Based salt box conductivity, by ± 12V Switching Power Supply, salt box conductance
Rate transmitter, 4-20mA/10V passive signal transmitter, single-chip microcontroller digital voltage relay, stirring motor, power switch according to
Sequence is formed by connecting.
Salt box conductivity is converted into the magnitude of current by salt box conductivity transmitter, passive signal transmitter is supplied, by the magnitude of current
It is converted into voltage, supplies single-chip microcontroller digital voltage relay, when salt box conductivity is lower than 120mS/cm, starting blender is carried out
Stirring increases salt box conductivity, and when salt box conductivity is increased to 180mS/cm, stopping blender improving salt box conductivity,
Human resources are saved, working efficiency is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the low automatic stirring control circuit of SCM Based salt box conductivity, is made of 6 parts: 1 for ±
12V Switching Power Supply；2 be salt box conductivity transmitter；3 be electric current, voltage conversion hysteria transmitter；4 be single-chip microcontroller number display electricity
Potential relay；5 be stirring motor；6 be stirring electric motor power switch, is sequentially connected.Wherein 4 be utility model device
Core, it is a single-chip microcontroller, and the quantitative change of acquisition at digital quantity and is shown, can turn off relay in high voltage,
Open relay when low-voltage, the opening and off value of relay can be according to requiring any adjusting.
Power supply 1 is powered to salt box conductivity transmitter 2, and the conductivity of 0mS/cm~180mS/cm is converted into 4~20mA
Normalized current output give passive signal transmitter 3, the input power of 4~20mA is converted into 0 by passive signal transmitter~
The DC voltage of 10V supplies single-chip microcontroller digital voltage relay 4, and single-chip microcontroller digital voltage relay drops in salt box conductivity
When 120mS/cm (voltage of passive signal transmitter output is 6.00V), relay tip connects starting stirring, makes salt box conductance
Rate rises, when salt box conductivity is raised to 180mS/cm (voltage of passive signal transmitter output is 9.00V), relay tip
It disconnects, stops blender, complete automatic control of the salt box conductivity within 120mS/cm~180mS/cm.
After cold salt box has installed salt box conductivity automatic circuit additional outside valve, energy automatic start-stop salt box blender makes salt box conductance
For rate in the range of designing license, eliminating the outer cold water hardness height of valve leads to have spray column coil pipe fouling damage, seriously affects big
The hidden danger of the safe operation of power high voltage power transmission, while many human resources are also saved, working efficiency is improved, can be saved every year
Energy human cost is up to 500,000 yuan.
Claims (1)
1. a kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved, which is characterized in that opened by ± 12V
Powered-down source (1), salt box conductivity transmitter (2), 4-20mA/10V passive signal transmitter (3), single-chip microcontroller digital voltage relay
Device (4), stirring motor (5), power switch (6) are sequentially formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033970.1U CN208642556U (en) | 2018-07-02 | 2018-07-02 | A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033970.1U CN208642556U (en) | 2018-07-02 | 2018-07-02 | A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208642556U true CN208642556U (en) | 2019-03-26 |
Family
ID=65783059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821033970.1U Active CN208642556U (en) | 2018-07-02 | 2018-07-02 | A kind of SCM Based automatic stirring control circuit that salt box conductivity can be improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208642556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705276A (en) * | 2020-12-15 | 2021-04-27 | 国网福建省电力有限公司检修分公司 | Optimization equipment and method for salt absorption system of valve external cooling water supplementing softening device |
-
2018
- 2018-07-02 CN CN201821033970.1U patent/CN208642556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705276A (en) * | 2020-12-15 | 2021-04-27 | 国网福建省电力有限公司检修分公司 | Optimization equipment and method for salt absorption system of valve external cooling water supplementing softening device |
| CN112705276B (en) * | 2020-12-15 | 2023-07-18 | 国网福建省电力有限公司检修分公司 | Optimization equipment and method for salt absorbing system of extra-valve cold-supplementing water softening device |
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