CN205826159U - A kind of power equipment overtemperature protection automatization alarm control system - Google Patents
A kind of power equipment overtemperature protection automatization alarm control system Download PDFInfo
- Publication number
- CN205826159U CN205826159U CN201620663444.8U CN201620663444U CN205826159U CN 205826159 U CN205826159 U CN 205826159U CN 201620663444 U CN201620663444 U CN 201620663444U CN 205826159 U CN205826159 U CN 205826159U
- Authority
- CN
- China
- Prior art keywords
- resistance
- power equipment
- series
- chip microcomputer
- circuit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Alarm Systems (AREA)
Abstract
nullThe utility model discloses a kind of power equipment overtemperature protection automatization alarm control system，Platinum resistance thermometer sensor, attaches and is mounted on power equipment，First resistance and the 3rd resistance are hindered a series circuit one in series by line，Second resistance and the 4th resistance are hindered two series circuits two in series by line，Series circuit one uses line to hinder three after being arranged in parallel with series circuit two to be connected and be arranged on both ends of power，Platinum resistance thermometer sensor, is arranged in series in series circuit one，The connection of voltage acquisition end is arranged on preamplifier input，Single-chip microcomputer is connected with alarm,The resistance respective change of platinum resistance thermometer sensor, when this utility model can change according to the running temperature of power equipment，Thus destroy bridge balance，The voltage at bridge two ends changes the most therewith，By being connected with single-chip microcomputer after preamplifier，The running temperature of power equipment can well be monitored in real time，Once beyond threshold value，Then can automatically report to the police，Improve power equipment and the safety in operation of transformer station and stability.
Description
Technical field
The invention belongs to technical field of automatic control, especially relate to a kind of power equipment overtemperature protection automatization report
Alert control system, for the assisted automated monitoring of power equipment.
Background technology
There is abnormal superheating phenomenon in operating power equipment, transformer station.If found not in time and correct entering
Row process, fault can be made to spread expansion, some meetings make heat source to device interior (transformator, current transformer, oil circuit breaker),
Some meetings cause blows lead-in wire or occurs to ask short circuit mutually.As serious hot spot occurs at main electrical scheme, can directly jeopardize power train
The safe and stable operation of system, consequence is hardly imaginable.The overhaul plan for hot spot. if method would be incorrect, the most thoroughly can
Make hot spot vicious cycle, cause power equipment repetitive operation to have a power failure, send load to directly affect economic benefit less.
Accordingly, it would be desirable to design the overtemperature protection automatization alarm control system of a kind of power equipment, in order to find timely
Power equipment or the abnormal conditions of substation operation.
Summary of the invention
The present invention is directed to existing technical problem, it is provided that a kind of power equipment controlling alarm system of overtemperature protection automatization
System, can well monitor in real time to the running temperature of power equipment, once beyond threshold value, then can automatically report to the police,
Improve power equipment and the safety in operation of transformer station and stability.
For achieving the above object, the present invention provides following technical scheme: a kind of power equipment overtemperature protection automatization report
Alert control system, it is characterised in that it includes platinum resistance thermometer sensor, observation circuit and alarm, and wherein, described platinum resistance thermometer sensor, attaches peace
Dress be arranged on power equipment, described observation circuit include power supply, the first resistance, the second resistance, the 3rd resistance, the 4th resistance,
Preamplifier and single-chip microcomputer, wherein, the first resistance and the 3rd resistance are carried out series circuit one in series by line resistance one, described
Second resistance and the 4th resistance are carried out series circuit two in series, described series circuit one and described series circuit by line resistance two
Two be arranged in parallel after use line to hinder three connections and be arranged on the two ends of power supply, described platinum resistance thermometer sensor, is arranged in series in described series circuit
In one, described first resistance has the circuit between the 3rd resistance and structure between the circuit between described second resistance and the 4th resistance
Becoming voltage acquisition end, this voltage acquisition end connects and is arranged on the input of described preamplifier, described preamplifier defeated
Going out end to be connected with described single-chip microcomputer, described single-chip microcomputer is connected with described alarm.
Further, as preferably, described alarm is buzzer siren.
Further, as preferably, for the ease of the ruuning situation of real-time display power equipment, this utility model also includes
Liquid crystal display, described liquid crystal display is connected setting with described single-chip microcomputer.
Further, as preferably, described single-chip microcomputer is the STM32 single-chip microcomputer of 32.
Further, as preferably, monitor in real time for the ease of the long-range temperature to power equipment, this utility model
Also include that GSM message module, described GSM message module are connected with described single-chip microcomputer.
Compared with prior art, the invention has the beneficial effects as follows:
The resistance respective change of platinum resistance thermometer sensor, when the present invention can change according to the running temperature of power equipment, thus
Destroying bridge balance, the voltage at bridge two ends changes the most therewith, and is connected with single-chip microcomputer by after preamplifier, so,
The running temperature of power equipment can well be monitored in real time, once beyond threshold value, then can automatically report to the police, improve
Power equipment and the safety in operation of transformer station and stability.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: a kind of power equipment overtemperature protection automatization controlling alarm
System, it is characterised in that it includes platinum resistance thermometer sensor, RX, observation circuit and alarm, and wherein, described platinum resistance thermometer sensor, attaches installation and sets
Putting on power equipment, described observation circuit includes power supply E, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th electricity
Resistance R4, preamplifier A and single-chip microcomputer, wherein, the first resistance R1 and the 3rd resistance R3 is hindered a r1 by line and carries out string in series
Connection circuit one, described second resistance R2 and the 4th resistance R4 is hindered two r2 by line and carries out series circuit two in series, described series connection
Circuit one uses line to hinder three r3 and be connected the two ends being arranged on power supply E, described platinum thermoelectricity after being arranged in parallel with described series circuit two
Resistance RX is arranged in series in described series circuit one, and described first resistance has the circuit between the 3rd resistance and described second resistance
And constituting voltage acquisition end between the circuit between the 4th resistance, the connection of this voltage acquisition end is arranged on described preamplifier A
Input, the outfan of described preamplifier A is connected with described single-chip microcomputer, and described single-chip microcomputer is connected with described alarm.
In the present embodiment, described alarm is buzzer siren.Operation for the ease of real-time display power equipment
Situation, this utility model also includes that liquid crystal display, described liquid crystal display are connected setting with described single-chip microcomputer.Described single-chip microcomputer
It it is the STM32 single-chip microcomputer of 32.Monitoring in real time for the ease of the long-range temperature to power equipment, this utility model also wraps
Including GSM message module, described GSM message module is connected with described single-chip microcomputer.
In this utility model, selected platinum resistance thermometer sensor, resistance with temperature relation is:
R=Ro (1+ α T), wherein, α=0.00392, Ro is 100 Ω (resistance values when 0 DEG C)；T is Celsius temperature.Platinum
When thermal resistance changes between room temperature 0～100 DEG C, the linearity is the best, the platinum resistance thermometer sensor, resistance approximation when variations in temperature 1 DEG C
It is changed to 0.39 Ω, only formula need to be utilized can to realize the monitoring to temperature.
The resistance respective change of platinum resistance thermometer sensor, when the present invention can change according to the running temperature of power equipment, thus
Destroying bridge balance, the voltage at bridge two ends changes the most therewith, and is connected with single-chip microcomputer by after preamplifier, so,
The running temperature of power equipment can well be monitored in real time, once beyond threshold value, then can automatically report to the police, improve
Power equipment and the safety in operation of transformer station and stability.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a power equipment overtemperature protection automatization alarm control system, it is characterised in that it includes platinum resistance thermometer sensor, monitoring
Circuit and alarm, wherein, described platinum resistance thermometer sensor, attach be mounted on power equipment, described observation circuit include power supply,
First resistance, the second resistance, the 3rd resistance, the 4th resistance, preamplifier and single-chip microcomputer, wherein, the first resistance and the 3rd electricity
Resistance is carried out series circuit one in series, described second resistance and the 4th resistance by line resistance one and is carried out string in series by line resistance two
Connection circuit two, after described series circuit one is arranged in parallel with described series circuit two, employing line hinders three and is connected and is arranged on the two of power supply
End, described platinum resistance thermometer sensor, is arranged in series in described series circuit one, described first resistance have circuit between the 3rd resistance with
Constituting voltage acquisition end between circuit between described second resistance and the 4th resistance, the connection of this voltage acquisition end is arranged on described
The input of preamplifier, the outfan of described preamplifier is connected with described single-chip microcomputer, described single-chip microcomputer and described report
Alert device connects.
A kind of power equipment the most according to claim 1 overtemperature protection automatization alarm control system, it is characterised in that:
Described alarm is buzzer siren.
A kind of power equipment the most according to claim 1 overtemperature protection automatization alarm control system, it is characterised in that:
Also include that liquid crystal display, described liquid crystal display are connected setting with described single-chip microcomputer.
A kind of power equipment the most according to claim 1 overtemperature protection automatization alarm control system, it is characterised in that:
Described single-chip microcomputer is the STM32 single-chip microcomputer of 32.
5. according to a kind of power equipment overtemperature protection automatization alarm control system described in claim 1-4 any one,
It is characterized in that: also include that GSM message module, described GSM message module are connected with described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663444.8U CN205826159U (en) | 2016-06-29 | 2016-06-29 | A kind of power equipment overtemperature protection automatization alarm control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663444.8U CN205826159U (en) | 2016-06-29 | 2016-06-29 | A kind of power equipment overtemperature protection automatization alarm control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826159U true CN205826159U (en) | 2016-12-21 |
Family
ID=57566317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620663444.8U Expired - Fee Related CN205826159U (en) | 2016-06-29 | 2016-06-29 | A kind of power equipment overtemperature protection automatization alarm control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993414A (en) * | 2017-12-27 | 2018-05-04 | 安徽星博电气科技有限公司 | A kind of high voltage cabinet temperature alarm |
| CN109085413A (en) * | 2018-07-25 | 2018-12-25 | 重庆骞纳马科技有限公司 | A kind of non-contact type high voltage switchgear safety detecting system and its control method |
-
2016
- 2016-06-29 CN CN201620663444.8U patent/CN205826159U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993414A (en) * | 2017-12-27 | 2018-05-04 | 安徽星博电气科技有限公司 | A kind of high voltage cabinet temperature alarm |
| CN109085413A (en) * | 2018-07-25 | 2018-12-25 | 重庆骞纳马科技有限公司 | A kind of non-contact type high voltage switchgear safety detecting system and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106291201B (en) | Lightning monitoring and degradation state monitoring system and method for lightning protection box | |
| CN207586360U (en) | A kind of fault arc detection device | |
| CN203310520U (en) | Electric power high and low voltage cable branch box and switch cabinet non-contact infrared temperature measurement system | |
| CN205826159U (en) | A kind of power equipment overtemperature protection automatization alarm control system | |
| CN106771801B (en) | Online monitoring device for capacitor bank and application method of online monitoring device | |
| CN104298276A (en) | Internal temperature monitoring device of electrical equipment mechanism | |
| CN205982433U (en) | High -pressure shunt capacitance ware overload protection device who possesses on -line monitoring function | |
| CN105865532A (en) | Monitoring and alarming system for transformer substation secondary system TMOV lightning arrester main board | |
| CN103812233B (en) | Micro-electric current inductive power supply type temperature measurement and alarm device and thermometric alarm method | |
| CN105092093A (en) | Transformer station power plant temperature measurement warning system | |
| CN204373813U (en) | A kind of electric thermo-couple test furnace protective device | |
| CN107727968A (en) | A kind of dry-type transformer condition monitoring device | |
| CN205580604U (en) | Cubical switchboard temperature measurement early warning system | |
| CN202494746U (en) | Early warning device for monitoring whether busbar contact is fine | |
| CN205666686U (en) | Distribution equipment remote management system | |
| CN104549757A (en) | High-frequency high-power supply operation monitoring and controlling system for electric precipitation | |
| CN211718442U (en) | Combined fault arc detector | |
| CN107579467B (en) | Temperature maintaining and monitoring system for primary equipment mechanism box of transformer substation | |
| CN203242080U (en) | Power equipment heating temperature alarm | |
| CN105092062A (en) | Outdoor transformer station power plant temperature measurement warning system | |
| CN207518256U (en) | Triple negative ground voltage protections | |
| CN207502057U (en) | Wireless temperature measurement system | |
| CN210295357U (en) | Automatic fault alarm device for heat conduction oil system of calcination workshop | |
| CN205262608U (en) | Online temperature measurement system of distributing type | |
| CN203909982U (en) | Carbon monoxide gas monitoring alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |