CN206585338U - A kind of grid-connected control system with temperature protection - Google Patents
A kind of grid-connected control system with temperature protection Download PDFInfo
- Publication number
- CN206585338U CN206585338U CN201720238422.1U CN201720238422U CN206585338U CN 206585338 U CN206585338 U CN 206585338U CN 201720238422 U CN201720238422 U CN 201720238422U CN 206585338 U CN206585338 U CN 206585338U
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- control system
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- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of grid-connected control system with temperature protection, including temperature detecting module, batteries, electric energy measure chip and control module, control module includes PLC, single-chip microcomputer and 485 communication chips for single-chip microcomputer and PLC being carried out data cube computation, temperature detecting module is connected together with PLC, single-chip microcomputer, 485 communication chips and PLC are sequentially connected to together, electric energy measure chip is connected together by serial ports with single-chip microcomputer, batteries and power network are connected together with electric energy measure chip respectively, pass through the environment temperature in the computer room residing for temperature detecting module detecting and controlling system, and judge whether control system is in abnormal operation according to the environment temperature, if in abnormal operation, then can positive closing control system, the safety of Protection control system.
Description
Technical field
The utility model is related to grid-connected control system field, especially a kind of grid-connected with temperature protection
Control system.
Background technology
The existing protection to grid-connected control system is handled, and is typically all to take corresponding based on the judgement of magnitude of voltage
Protection processing, but usually have ignored and may cause produced problem in terms of temperature, for example, when the temperature of control system is too high
When, it may be possible to there is exception in the part of some in control system, but this exception can't cause the magnitude of voltage of control system to surpass
Go out defined scope, but with the lifting of temperature, each functional part in control system will be in overflow for a long time
Worked under the hot environment of constant temperature degree, the service life for being easily caused the functional part of each in control system is substantially reduced, so that
Control system can be caused to damage.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of grid-connected control with temperature protection
System, can be by the environment temperature in the computer room residing for temperature detecting module detecting and controlling system, and according to the environment temperature
Degree judges whether control system is in abnormal operation, if in abnormal operation, can positive closing control system, guarantor
Protect the safety of control system.
The technical scheme that the invention for solving the technical problem is used is：
A kind of grid-connected control system with temperature protection, including for being detected to the environment temperature in computer room
Temperature detecting module, for connecting power network so as to utilize power network carry out discharge and recharge batteries, for battery
Group carries out the electric energy measure chip of electric energy detection and charge and discharge control and for the control for the running status for controlling whole control system
Molding block, control module includes being used to carry out the PLC of the system decision-making, the single-chip microcomputer for carrying out data processing and be used for
Single-chip microcomputer and PLC are carried out 485 communication chips of data cube computation, temperature detecting module is connected to one with PLC
Rise, single-chip microcomputer, 485 communication chips and PLC are sequentially connected to together, electric energy measure chip is connected by serial ports and single-chip microcomputer
It is connected together, batteries and power network are connected together with electric energy measure chip respectively.
Further, in addition to for being monitored the monitoring computer of control to whole control system, monitoring computer
The data storage module backed up for the service data to control system is internally provided with, monitoring computer is controlled with PLC
Device is connected together.
Further, monitoring computer includes the input equipment for being used to input control instruction, and input equipment is plugged in monitoring meter
Among calculation machine.
Further, in addition to for the live indicator lamp for the running status for showing whole control system, live indicator lamp with
PLC is connected together.
Further, the model CS5460A of electric energy measure chip.
The beneficial effects of the utility model are：A kind of grid-connected control system with temperature protection, is examined by temperature
Survey module to detect the environment temperature in the computer room residing for control system, so as to judge control system according to the environment temperature
Whether abnormal operation is in, if the environment temperature in computer room has exceeded rated temperature, illustrates that control system is in abnormal work
Make state, thus PLC can positive closing control system so that the safety of Protection control system；Electric energy measure chip
The energy state of batteries can be detected and batteries can be controlled to carry out charge or discharge so that batteries can
Electrical power storage is got up using power network, and stored electric energy is fed back in power network when needing, so as to reduce electricity
That nets uses Voltage force；PLC and single-chip microcomputer can reduce by the way that the system decision-making and data analysis are separately handled and are
The resource requirement of system data processing, so as to improve the efficiency of system data processing, it is ensured that the accuracy of control system；485
Communication chip can with take resource it is minimum on the premise of ensure between PLC and single-chip microcomputer the accuracy of data communication with
Stability；The running status that computer and data storage module are capable of recording control system in real time is monitored, and can be control
The service data of system is preserved, so as to facilitate operating personnel to carry out data analysis and investigation when safeguarding；Input equipment is
Operating personnel provide the approach directly controlled control system, so as to facilitate operating personnel can be intuitively to control system
System carries out instruction input；Live indicator lamp is capable of the working condition of synchronous display controlling system, so as to teaching process personnel
The running situation of current control system, so as to allow the operator to take corresponding place according to the running situation of control system
Reason measure.
Brief description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram for the grid-connected control system that the utility model has temperature protection；
Fig. 2 is the circuit theory diagrams of temperature detecting module.
Embodiment
Reference picture 1- Fig. 2, a kind of grid-connected control system with temperature protection of the present utility model, including for pair
Temperature detecting module 1 that environment temperature in computer room is detected, for connecting power network so as to utilizing power network to carry out charge and discharge
The batteries 2 of electricity, for batteries 2 to be carried out with the electric energy measure chip 3 of electric energy detection and charge and discharge control and for controlling
The control module 4 of the running status of whole control system is made, control module 4 includes the PLC for being used to carry out the system decision-making
41st, lead to for carrying out the single-chip microcomputer 42 of data processing and 485 for single-chip microcomputer 42 to be carried out data cube computation with PLC 41
Believe chip 43, temperature detecting module 1 is connected together with PLC 41, single-chip microcomputer 42,485 communication chips 43 and PLC controls
Device 41 is sequentially connected to together, and electric energy measure chip 3 is connected together by serial ports with single-chip microcomputer 42, batteries 2 and power network
It is connected together respectively with electric energy measure chip 3.PLC 41 and single-chip microcomputer 42 are by entering the system decision-making and data analysis
Row separately processing, can reduce the resource requirement of system data processing, so as to improve the efficiency of system data processing, it is ensured that
The accuracy of control system, and 485 communication chips 43 are used as the communication path between PLC 41 and single-chip microcomputer 42,
Because RS-485 rule of communication has only taken up 2 communications pins, therefore 485 communication chips 43 can be minimum to take resource
Under the premise of ensure that the accuracy and stability of data communication between PLC 41 and single-chip microcomputer 42.
Reference picture 1- Fig. 2, when utilizing power network using the grid-connected control system of the present utility model with temperature protection
When charging and discharging processing to batteries 2, temperature detecting module 1 can ceaselessly detect the environment temperature in computer room, and
The temperature value detected is transferred to PLC 41, the temperature value that PLC 41 is detected and the rated temperature of setting
Value is compared, if the temperature value detected is less than rated temperature value, illustrates that control system is in normal working condition, and
And the equal normal work of all parts in control system；If the temperature value detected meets or exceeds rated temperature value, explanation
The temperature being transmitted to inside control system in air has been in rated temperature value, i.e. control system a certain part even
Multiple parts occur in that the situation of operation irregularity, so as to cause excessive heating, control system can be caused to damage when serious.No
Batteries 2 are carried out using power network by control system to charge or discharge to power network by batteries 2, can all be caused
All parts in control system give off heat, and the heat can be transmitted to air in the computer room residing for control system it
In, the heating temp of all parts is different according to the property of all parts in control system, therefore directly to each portion
Part carries out temperature detection to judge whether all parts are in abnormal operation, it is necessary to which multiple temperature detecting modules 1 are distinguished
The temperature of all parts is detected, this is not effective detection method, and can cause the increase of cost.However, all parts
Heating temp have what difference, its heat can be all transmitted among air, thus the environment temperature in computer room can unify reflect
The heat condition of control system.For example, the rated temperature value of the environment temperature in computer room is 60 degree, when temperature detecting module 1 is examined
When the occurrence of the environment temperature measured is more than 60 degree, illustrates that the heating total amount of all parts in control system is too high, i.e., can
Judge that a certain part or multiple parts in control system are in the abnormal operation of excessive heating, now, in order to protect
The safety of control system, PLC 41 can send the shutdown signal for forcing to stop to all parts, and all parts are being received
To after this shutdown signal, it can be stopped immediately, so that control system positive closing, until operating personnel are to control
System is carried out after investigation maintenance, and under the control of operating personnel, control system is just operated again, therefore, it is possible to effectively protection
The safety of control system, so as to avoid control system from being operated and damage under thermal extremes environment.
Wherein, reference picture 1, the grid-connected control system of the present utility model with temperature protection, in addition to for pair
Whole control system is monitored the monitoring computer 5 of control, monitors being internally provided with for control system for computer 5
The data storage module 51 that service data is backed up, monitoring computer 5 is connected together with PLC 41.Monitoring is calculated
Machine 5 and data storage module 51 are capable of the running status of recording control system in real time, and can be the operation number of control system
According to preserving, so as to facilitate operating personnel to carry out data analysis and investigation when safeguarding.
Wherein, reference picture 1, monitoring computer 5 includes the input equipment 52 for being used to input control instruction, and input equipment 52 is inserted
It is connected among monitoring computer 5.Input equipment 52 provides the approach directly controlled control system for operating personnel, from
And facilitate operating personnel intuitively can carry out instruction input to control system.
Wherein, reference picture 1, the grid-connected control system of the present utility model with temperature protection, in addition to for showing
Show the live indicator lamp 6 of the running status of whole control system, live indicator lamp 6 is connected together with PLC 41.Scene
Indicator lamp 6 is capable of the working condition of synchronous display controlling system, so as to the operation of the current control system of teaching process personnel
Situation, so as to allow the operator to take corresponding treatment measures according to the running situation of control system.
Wherein, the model CS5460A, CS5460A of electric energy measure chip 3 are a with active power calculating engine
CMOS monolithic powers measure chip, and it includes two programmable-gain amplifiers and two highpass filters, and CS5460A has
System calibration and virtual value/power calculation function, can be with the data samples of instantaneous voltage, electric current or power and active energy
Cycle and calculate the measurement result for obtaining electric energy, its be adapted to be connected to measure electric current with current divider or current transformer,
Or be connected to measure voltage with divider resistance or voltage transformer.Therefore, CS5460A has than general detection chip
More professional testing result, and the degree of accuracy then in testing result of other general detection chip and the diversity of detection type
Aspect is not suitable for the grid-connected control system of the present utility model with temperature protection, therefore, in order that obtaining this practicality
The new grid-connected control system with temperature protection can reach when charging and discharging processing to batteries 2
Optimal working effect, is more suitable for using CS5460A.
In addition, reference picture 2, temperature detecting module 1 include amplifier chip, temperature sense resistance RT, the first divider resistance R1,
Second divider resistance R2, the 3rd divider resistance R3, the 4th divider resistance R4, the first equalizing resistance R5, the second equalizing resistance R6 and
Feedback resistance R7, temperature sense resistance RT and the second divider resistance R2 are series at together and are connected to power supply VCC and reference
Between ground GND, the first divider resistance R1 and the 3rd divider resistance R3 are series at together and are connected to power supply VCC and reference ground
Between GND, temperature sense resistance RT and the second divider resistance R2 junction are connected to amplifier core by the second equalizing resistance R6
Input the positive terminal IN1, the first divider resistance R1 and the 3rd divider resistance R3 of piece junction are connected by the first equalizing resistance R5
Input the negative pole end IN2, the 4th divider resistance R4 for being connected to amplifier chip are connected to input positive terminal IN1 and the reference of amplifier chip
Between ground GND, feedback resistance R7 is connected between the input negative pole end IN2 of amplifier chip and output end OUT, amplifier chip it is defeated
Go out to hold OUT and the temperature input RTIN of PLC 41 to be connected together.Temperature sense resistance RT and the second divider resistance R2
Between, and between the second equalizing resistance R6 and the 4th divider resistance R4, continuously constitute two potential-divider networks, enable to temperature
Spend detections of the inductive reactance RT to temperature sensitiveer, so as to improve order of accuarcy of the control system to temperature detection, prevent
The situation that causes batteries to suffer damage because temperature detection error is excessive.When temperature sense resistance RT is in the change of temperature
When producing the change of resistance value under changing, the electricity produced by two potential-divider networks in the input positive terminal IN1 of amplifier chip
The input negative pole end IN2 of pressure value and amplifier chip magnitude of voltage is compared, so as to export one in the output end OUT of amplifier chip
Individual voltage fiducial value, the voltage fiducial value input negative pole end of feed back input to amplifier chip in the presence of feedback resistance R7
On IN2, so as to be compared again with the magnitude of voltage on the input positive terminal IN1 of amplifier chip, finally give and be transferred to
The accurate voltage change of PLC 41, is compared therefore, it is possible to the rated temperature value with setting, so as to basis
The situation of environment temperature in computer room and to control system carry out it is corresponding processing operate.
Above is to it is of the present utility model it is preferable implementation illustrated, but the utility model be not limited to it is above-mentioned
Embodiment, those skilled in the art can also make a variety of be equal on the premise of without prejudice to the utility model spirit
Deformation is replaced, and these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of grid-connected control system with temperature protection, it is characterised in that：Including for the environment temperature in computer room
Spend the temperature detecting module detected（1）, for connect power network so as to utilize power network carry out discharge and recharge batteries
（2）, for the batteries（2）Carry out the electric energy measure chip of electric energy detection and charge and discharge control（3）With for controlling
The control module of the running status of whole control system（4）, the control module（4）Including the PLC for carrying out the system decision-making
Controller（41）, single-chip microcomputer for carrying out data processing（42）With for the single-chip microcomputer（42）With the PLC
（41）Carry out 485 communication chips of data cube computation（43）, the temperature detecting module（1）With the PLC（41）Connection
In together, the single-chip microcomputer（42）, 485 communication chips（43）And PLC（41）It is sequentially connected to together, the electric energy is surveyed
Measure chip（3）Pass through serial ports and the single-chip microcomputer（42）It is connected together, the batteries（2）With power network respectively with the electricity
Chip can be measured（3）It is connected together.
2. a kind of grid-connected control system with temperature protection according to claim 1, it is characterised in that：Also include
Monitoring computer for being monitored control to whole control system（5）, the monitoring computer（5）Be internally provided with use
The data storage module backed up in the service data to control system（51）, the monitoring computer（5）Controlled with the PLC
Device processed（41）It is connected together.
3. a kind of grid-connected control system with temperature protection according to claim 2, it is characterised in that：The prison
Control computer（5）Including the input equipment for inputting control instruction（52）, the input equipment（52）It is plugged in the monitoring
Computer（5）Among.
4. a kind of grid-connected control system with temperature protection according to claim 1, it is characterised in that：Also include
For the live indicator lamp for the running status for showing whole control system（6）, the live indicator lamp（6）Controlled with the PLC
Device（41）It is connected together.
5. a kind of grid-connected control system with temperature protection according to claim 1, it is characterised in that：The electricity
Chip can be measured（3）Model CS5460A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238422.1U CN206585338U (en) | 2017-03-10 | 2017-03-10 | A kind of grid-connected control system with temperature protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238422.1U CN206585338U (en) | 2017-03-10 | 2017-03-10 | A kind of grid-connected control system with temperature protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585338U true CN206585338U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720238422.1U Expired - Fee Related CN206585338U (en) | 2017-03-10 | 2017-03-10 | A kind of grid-connected control system with temperature protection |
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| Country | Link |
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| CN (1) | CN206585338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083394A (en) * | 2019-04-04 | 2019-08-02 | 龙芯中科技术有限公司 | Serial port drive method, apparatus and storage medium |
-
2017
- 2017-03-10 CN CN201720238422.1U patent/CN206585338U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083394A (en) * | 2019-04-04 | 2019-08-02 | 龙芯中科技术有限公司 | Serial port drive method, apparatus and storage medium |
| CN110083394B (en) * | 2019-04-04 | 2022-04-22 | 龙芯中科技术股份有限公司 | Serial port driving method, device and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |