CN106155130A - A kind of electric equipment intelligent temperature control system based on DDC - Google Patents
A kind of electric equipment intelligent temperature control system based on DDC Download PDFInfo
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- CN106155130A CN106155130A CN201610744357.XA CN201610744357A CN106155130A CN 106155130 A CN106155130 A CN 106155130A CN 201610744357 A CN201610744357 A CN 201610744357A CN 106155130 A CN106155130 A CN 106155130A
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- temperature
- ddc
- electrical equipment
- expansion valve
- power supply
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1917—Control of temperature characterised by the use of electric means using digital means
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The present invention relates to a kind of electric equipment intelligent temperature control system based on DDC, relate to electrical equipment temperature control field.Purpose is to lower the temperature electrical equipment and performance own on electrical equipment does not affect.The temperature signal outfan of temperature sensor is connected with the temperature signal input of DDC controller, the power supply signal input of DDC controller is connected with the power supply signal outfan of converter, the power supply signal input of converter is connected with the power supply signal outfan of reactor, reactor connects external power supply, the control signal outfan of DDC controller is connected with the control signal input of expansion valve, one end of expansion valve connects cold-producing medium memorizer, and the other end of expansion valve connects vaporizer.When electrical equipment temperature is too high, being controlled the openings of sizes of expansion valve by DDC controller, cold-producing medium is injected in vaporizer by expansion valve and freezes electrical equipment.
Description
Technical field
The present invention relates to electrical equipment temperature control field.
Background technology
Electrical equipment is in the middle of running, owing to internal circuit can produce heat, when working long hours,
Easily affect the service behaviour of electrical equipment self due to the high temperature of generation, whole electrical system time serious, can be made especially to cause
Paralysis, life is produced and causes great impact by undoubtedly.
At present in technology, use many different technological means that electrical equipment carries out cooling and operate, but its cooling
Process is paroxysmal mostly, and it is very fast that the temperature of electrical equipment itself reduces, although surface looks the effect of cooling
The best, but if things go on like this, internal circuit or device for electrical equipment itself have sizable infringement, reduce
Service life of electrical equipment, cause economic loss.
Summary of the invention
The technical problem to be solved is to provide a kind of electric equipment intelligent temperature control system based on DDC,
Purpose is to lower the temperature electrical equipment and performance own on electrical equipment does not affect.
The technical scheme is that a kind of electric equipment intelligent temperature control based on DDC
System processed, it includes temperature sensor, DDC controller, converter, reactor, cold-producing medium memorizer, vaporizer and expansion
Valve, the temperature signal outfan of described temperature sensor is connected with the temperature signal input of DDC controller, DDC controller
Power supply signal input is connected with the power supply signal outfan of converter, the power supply signal input of converter and reactor
Power supply signal outfan connect, reactor connect external power supply, the control signal outfan of DDC controller and expansion valve
Control signal input connect, one end of expansion valve connects cold-producing medium memorizer, and the other end of expansion valve connects vaporizer；
Temperature sensor, for detecting the temperature of electrical equipment；
DDC controller, for controlling the aperture of expansion valve according to electrical equipment temperature；
Converter, energy-conservation for power factor compensation；
Reactor, is used for hindering curent change；
Cold-producing medium memorizer, is used for storing cold-producing medium；
Vaporizer, for being evaporated process to cold-producing medium；
Expansion valve, injects the flow of vaporizer for regulating cold-producing medium.
The invention has the beneficial effects as follows: the present invention, by detecting the temperature of electrical equipment, works as electrical equipment temperature
Time too high, being controlled the openings of sizes of expansion valve by DDC controller, cold-producing medium is injected in vaporizer electrically setting by expansion valve
For freezing, can change the openings of sizes of expansion valve in real time according to the temperature conditions of electrical equipment, temperature-fall period is the most permissible
Realizing on the premise of not affecting electrical equipment performance, converter and reactor can also make the operation of whole system more
Stable.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the control module having software to realize inside described DDC controller, described control module includes:
Temperature reception module, for receiving the temperature of the electrical equipment that temperature sensor sends；
Temperature presetting module, for setting the maximum temperature under electrical equipment duty；
Temperature comparison module, the temperature of the electrical equipment for temperature sensor being sent is carried out with the maximum temperature preset
Mathematic interpolation；
Temperature control modules is big for calculating the opening of the difference size control expansion valve obtained according to temperature comparison module
Little.
Above-mentioned further scheme is used to provide the benefit that: by Current Temperatures and preset temperature are compared and can be obtained
Know whether the temperature of current electrical equipment exists exception, when occurring abnormal, control expansion valve according to temperature contrast degree
Openings of sizes, carries out temperature-fall period targetedly to electrical equipment.
Further, described system also includes display, the display signal input part of described display and the display of controller
Signal output part connects, and is used for showing electrical equipment temperature information.
Further, described system also includes keyboard, the button letter of the push button signalling outfan of described keyboard and DDC controller
Number input connects, for setting the maximum temperature under electrical equipment normal operating conditions.
Further, described system also includes alarm, the alarm signal input of described alarm and the report of DDC controller
Alert signal output part connects, for sending alarm signal when electrical equipment temperature occurs abnormal.
Further, described alarm uses sound and light alarm or buzzing warning to realize.
Further, described system includes that amperometric, described amperometric are connected on all mains sides of electrical equipment
Current transformer secondary circuit on, the current detection signal outfan of amperometric and the current detecting of DDC controller
Signal input part connects, for detecting current status when electrical equipment accesses power supply.
Further, described system also includes that voltage detector, described voltage detector are connected on all power supplys of electrical equipment
On the secondary circuit of the voltage transformer of side, the voltage inspection of the voltage detection signal outfan of voltage detector and DDC controller
Survey signal input part connects, for detecting voltage status when electrical equipment accesses power supply.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of electric equipment intelligent temperature control system based on DDC of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, temperature sensor, 2, DDC controller, 3, converter, 4, reactor, 5, cold-producing medium memorizer, 6, evaporation
Device, 7, expansion valve, 8, chopper, 9, display, 10, keyboard, 11, alarm, 12, amperometric, 13, voltage detector.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
Embodiment 1
As it is shown in figure 1, the present embodiment proposes a kind of electric equipment intelligent temperature control system based on DDC, it includes
Temperature sensor 1, DDC controller 2, converter 3, reactor 4, cold-producing medium memorizer 5, vaporizer 6 and expansion valve 7, institute
The temperature signal input of the temperature signal outfan and DDC controller 2 of stating temperature sensor 1 is connected, the electricity of DDC controller 2
Source signal input is connected with the power supply signal outfan of converter 3, the power supply signal input of converter 3 and reactor
The power supply signal outfan of 4 connects, and reactor 4 connects external power supply, and the control signal outfan of DDC controller 2 is with swollen
The control signal input of swollen valve 7 connects, and one end of expansion valve 7 connects cold-producing medium memorizer 5, and the other end of expansion valve 7 connects
Vaporizer 6；
Temperature sensor 1, for detecting the temperature of electrical equipment；
DDC controller 2, for controlling the aperture of expansion valve 7 according to electrical equipment temperature；
Converter 3, energy-conservation for power factor compensation；
Reactor 4, is used for hindering curent change；
Cold-producing medium memorizer 5, is used for storing cold-producing medium；
Vaporizer 6, for being evaporated process to cold-producing medium；
Expansion valve 7, injects the flow of vaporizer 6 for regulating cold-producing medium.
The present embodiment is by detecting the temperature of electrical equipment, when electrical equipment temperature is too high, by DDC control
Device 2 controls the openings of sizes of expansion valve 7, and cold-producing medium is injected in vaporizer 6 by expansion valve 7 and freezes electrical equipment, can
Temperature conditions according to electrical equipment changes the openings of sizes of expansion valve 7 in real time, and temperature-fall period can not affect electrically completely
Realizing on the premise of equipment performance, converter 3 and reactor 4 can also make the operation of whole system more stable.
The internal control module having software to realize of described DDC controller 2, described control module includes:
Temperature reception module, for receiving the temperature of the electrical equipment that temperature sensor 1 sends；
Temperature presetting module, for setting the maximum temperature under electrical equipment duty；
Temperature comparison module, the temperature of the electrical equipment for temperature sensor 1 being sent is entered with the maximum temperature preset
Row mathematic interpolation；
Temperature control modules, controls the opening of expansion valve 7 for calculating the difference size obtained according to temperature comparison module
Size.
Can know whether the temperature of current electrical equipment exists different by Current Temperatures and preset temperature being compared
Often, when occurring abnormal, control the openings of sizes of expansion valve 7 according to temperature contrast degree, electrical equipment is carried out specific aim
Temperature-fall period.
Described system also includes display 9, and the display signal input part of described display 9 is defeated with the display signal of controller
Go out end to connect, be used for showing electrical equipment temperature information.Described system also includes keyboard 10, and the push button signalling of described keyboard 10 is defeated
Go out end to be connected with the push button signalling input of DDC controller 2, for setting the highest temperature under electrical equipment normal operating conditions
Degree.Described system also includes alarm 11, the alarm signal input of described alarm 11 and the alarm signal of DDC controller 2
Outfan connects, for sending alarm signal when electrical equipment temperature occurs abnormal.Described alarm 11 uses sound and light alarm
Or buzzing warning realizes.
There is the situation that temperature raises in electrical equipment, and is owing to self produces heat in the case of one in the middle of running
The temperature that causes raises, and another kind of situation is that electrical equipment occurs unusual condition when accessing power supply and the feelings of abnormal heating that cause
Condition, therefore, not only needs the temperature being shown electrical equipment to detect, also simultaneously need to electrical equipment is accessed power supply
Time state detect.
System described in following the present embodiment also including, amperometric 12, described amperometric 12 are connected on electrically
On the secondary circuit of the current transformer of all mains sides of equipment, the current detection signal outfan of amperometric 12 and DDC
The current detection signal input of controller 2 connects, for detecting current status when electrical equipment accesses power supply.
Described system also includes that voltage detector 13, described voltage detector 13 are connected on all mains sides of electrical equipment
On the secondary circuit of voltage transformer, the voltage detection signal outfan of voltage detector 13 and the voltage detecting of DDC controller 2
Signal input part connects, for detecting voltage status when electrical equipment accesses power supply.
Voltage x current state during by electrical equipment is accessed power supply detects whether would know that this electrical equipment
Occur abnormal, to enable a technician to tackle in time emergency situations at power end.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. an electric equipment intelligent temperature control system based on DDC, it is characterised in that it include temperature sensor (1),
DDC controller (2), converter (3), reactor (4), cold-producing medium memorizer (5), vaporizer (6) and expansion valve (7), institute
The temperature signal input of the temperature signal outfan and DDC controller (2) of stating temperature sensor (1) is connected, DDC controller
(2) power supply signal input is connected with the power supply signal outfan of converter (3), the power supply signal input of converter (3)
Being connected with the power supply signal outfan of reactor (4), reactor (4) connects external power supply, DDC controller (2)
Control signal outfan is connected with the control signal input of expansion valve (7), and one end of expansion valve (7) connects cold-producing medium memorizer
(5), the other end of expansion valve (7) connects vaporizer (6)；
Temperature sensor (1), for detecting the temperature of electrical equipment；
DDC controller (2), for controlling the aperture of expansion valve (7) according to electrical equipment temperature；
Converter (3), energy-conservation for power factor compensation；
Reactor (4), is used for hindering curent change；
Cold-producing medium memorizer (5), is used for storing cold-producing medium；
Vaporizer (6), for being evaporated process to cold-producing medium；
Expansion valve (7), is used for regulating cold-producing medium and injects the flow of vaporizer (6).
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 1, it is characterised in that institute
Stating the internal control module having software to realize of DDC controller (2), described control module includes:
Temperature reception module, is used for receiving the temperature of the electrical equipment that temperature sensor (1) sends；
Temperature presetting module, for setting the maximum temperature under electrical equipment duty；
Temperature comparison module, the temperature of the electrical equipment for temperature sensor (1) being sent is carried out with the maximum temperature preset
Mathematic interpolation；
Temperature control modules is big for calculating the opening of difference size control expansion valve (7) obtained according to temperature comparison module
Little.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 2, it is characterised in that institute
System of stating also includes chopper (8), and the shutdown signal input of described chopper (8) is defeated with the break signal of DDC controller (2)
Go out end to connect.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 3, it is characterised in that institute
System of stating also includes display (9), and the display signal input part of described display (9) is with the display signal output part of controller even
Connect, be used for showing electrical equipment temperature information.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 4, it is characterised in that institute
System of stating also includes that keyboard (10), the push button signalling outfan of described keyboard (10) input with the push button signalling of DDC controller (2)
End connects, for setting the maximum temperature under electrical equipment normal operating conditions.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 5, it is characterised in that institute
System of stating also includes the alarm signal of alarm (11), the alarm signal input of described alarm (11) and DDC controller (2)
Outfan connects, for sending alarm signal when electrical equipment temperature occurs abnormal.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 6, it is characterised in that institute
Stating alarm (11) uses sound and light alarm or buzzing warning to realize.
A kind of electric equipment intelligent temperature control system based on DDC the most according to claim 7, it is characterised in that institute
The system of stating includes that amperometric (12), described amperometric (12) are connected on the Current Mutual Inductance of all mains sides of electrical equipment
On the secondary circuit of device, the current detection signal outfan of amperometric (12) and the current detection signal of DDC controller (2)
Input connects, for detecting current status when electrical equipment accesses power supply.
9. according to a kind of based on DDC the electric equipment intelligent temperature control system described in claim 7 or 8, it is characterised in that
Described system also includes that voltage detector (13), described voltage detector (13) are connected on the voltage of all mains sides of electrical equipment
On the secondary circuit of transformer, the voltage detection signal outfan of voltage detector (13) and the voltage detecting of DDC controller (2)
Signal input part connects, for detecting voltage status when electrical equipment accesses power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744357.XA CN106155130A (en) | 2016-08-28 | 2016-08-28 | A kind of electric equipment intelligent temperature control system based on DDC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744357.XA CN106155130A (en) | 2016-08-28 | 2016-08-28 | A kind of electric equipment intelligent temperature control system based on DDC |
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| Publication Number | Publication Date |
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| CN106155130A true CN106155130A (en) | 2016-11-23 |
Family
ID=57344141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610744357.XA Pending CN106155130A (en) | 2016-08-28 | 2016-08-28 | A kind of electric equipment intelligent temperature control system based on DDC |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10008383A1 (en) * | 2000-02-23 | 2001-09-06 | Loh Kg Rittal Werk | Control cabinet or housing with an air conditioning device |
| CN200956112Y (en) * | 2006-04-13 | 2007-10-03 | 武汉旭能科技产业开发有限公司 | Intelligent control power-saving device of motor set with multi water pumps |
| CN101764570A (en) * | 2010-02-11 | 2010-06-30 | 中冶京诚工程技术有限公司 | Outdoor box type variable frequency control station |
| CN202679306U (en) * | 2012-05-09 | 2013-01-16 | 博耳(无锡)电力成套有限公司 | Device for controlling motor using frequency converter and PLC |
| CN204026930U (en) * | 2014-09-02 | 2014-12-17 | 雷科电气有限公司 | A kind of intelligent temperature and humidity for central air-conditioning controls boot disk |
| CN204026921U (en) * | 2014-09-02 | 2014-12-17 | 雷科电气有限公司 | A kind of intelligent temperature control cabinet for central air-conditioning |
| CN104821755A (en) * | 2015-05-20 | 2015-08-05 | 成都德麦科技有限公司 | PLC variable-frequency multi-motor control cabinet with cooling and drying functions |
| CN104950769A (en) * | 2015-06-24 | 2015-09-30 | 江阴市利得电气有限公司 | Intelligent electrical equipment environment monitoring system based on cloud computing and big data analysis |
| CN204883294U (en) * | 2015-08-27 | 2015-12-16 | 福州盈泰电气科技有限公司 | Online aluminum melt degasification of high temperature purifies intelligent control cabinet |
| CN105357939A (en) * | 2015-12-04 | 2016-02-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Electric cabinet temperature humidity control system and method |
| CN205158165U (en) * | 2015-11-15 | 2016-04-13 | 科大智能电气技术有限公司 | A intelligent temperature controller for switch board temperature monitoring and system thereof |
-
2016
- 2016-08-28 CN CN201610744357.XA patent/CN106155130A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10008383A1 (en) * | 2000-02-23 | 2001-09-06 | Loh Kg Rittal Werk | Control cabinet or housing with an air conditioning device |
| CN200956112Y (en) * | 2006-04-13 | 2007-10-03 | 武汉旭能科技产业开发有限公司 | Intelligent control power-saving device of motor set with multi water pumps |
| CN101764570A (en) * | 2010-02-11 | 2010-06-30 | 中冶京诚工程技术有限公司 | Outdoor box type variable frequency control station |
| CN202679306U (en) * | 2012-05-09 | 2013-01-16 | 博耳(无锡)电力成套有限公司 | Device for controlling motor using frequency converter and PLC |
| CN204026930U (en) * | 2014-09-02 | 2014-12-17 | 雷科电气有限公司 | A kind of intelligent temperature and humidity for central air-conditioning controls boot disk |
| CN204026921U (en) * | 2014-09-02 | 2014-12-17 | 雷科电气有限公司 | A kind of intelligent temperature control cabinet for central air-conditioning |
| CN104821755A (en) * | 2015-05-20 | 2015-08-05 | 成都德麦科技有限公司 | PLC variable-frequency multi-motor control cabinet with cooling and drying functions |
| CN104950769A (en) * | 2015-06-24 | 2015-09-30 | 江阴市利得电气有限公司 | Intelligent electrical equipment environment monitoring system based on cloud computing and big data analysis |
| CN204883294U (en) * | 2015-08-27 | 2015-12-16 | 福州盈泰电气科技有限公司 | Online aluminum melt degasification of high temperature purifies intelligent control cabinet |
| CN205158165U (en) * | 2015-11-15 | 2016-04-13 | 科大智能电气技术有限公司 | A intelligent temperature controller for switch board temperature monitoring and system thereof |
| CN105357939A (en) * | 2015-12-04 | 2016-02-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Electric cabinet temperature humidity control system and method |
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Application publication date: 20161123 |