CN202383493U - Automatic control device for heating and ventilation of transformer substation - Google Patents
Automatic control device for heating and ventilation of transformer substation Download PDFInfo
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- CN202383493U CN202383493U CN2011205207912U CN201120520791U CN202383493U CN 202383493 U CN202383493 U CN 202383493U CN 2011205207912 U CN2011205207912 U CN 2011205207912U CN 201120520791 U CN201120520791 U CN 201120520791U CN 202383493 U CN202383493 U CN 202383493U
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Abstract
An automatic control device for heating and ventilation of a transformer substation comprises a local detection device, a control system, control modules, local control devices and communication modules; the local detection device comprises temperature transmitters, a hydrogen leakage detection device and a wind pressure measuring device for fan outlets, the temperature transmitters are arranged on a battery chamber, a main transformer chamber, a distribution chamber, a relay chamber, a reactor chamber and a control chamber, and the hydrogen leakage detection device is arranged in a storage battery chamber; the control system consists of a distributed control system (DCS) or a programmable logic controller (PLC) and is arranged in a control cabinet, and the control cabinet receives feedback signals of the temperature transmitters, the hydrogen leakage detection device, the wind pressure measuring device and all devices and outputs command signals to a control module or a communication module of a local controlled device; the control modules are control loops and feedback loops of a fan and an electric heater and arranged in a centralized power cabinet or a local control box, so that the centralized power cabinet or the local control box is provided with a remote start-stop function and a feedback interface, and each of control modules of heating ventilation devices controls each of the local control devices correspondingly; each of the local control devices comprises an axial flow fan, the electric heater and a roof fan; and the communication modules are mainly used in air conditioner devices and enable air conditioners to be connected to the control system through communication cables, and each of communication modules of air conditioners controls an air conditioner correspondingly.
Description
Technical field
The utility model relates to the special-purpose heating and ventilation equipment of a kind of intelligent substation automatic control system, belongs to transformer station's HVAC and automatic control technology field.
Background technology
Conventional substation HVAC system mainly comprises: electric room and GIS and cable tunnel are provided with axial flow blower in battery room, transformer room etc., generally adopt mechanical exhaust and natural air inlet mode, and indoor waste heat is discharged in daily ventilation, also doublely do the accident air draft.Daily operation management is generally by operator on duty's artificial judgment blower fan unlocking condition, manually local operation blower fan start and stop; Establish split-type air conditioner in rooms such as pulpit, relay bungalows, cooling in summer and winter heating.Daily operation management is generally by operator on duty's artificial judgment air-conditioning unlocking condition, manually local operation air-conditioning start and stop; At water plant the electric heater winter heating is set, manually opens long-time running on the spot.
In May, 2009, the national grid public affairs have proposed to base oneself upon autonomous innovation, build the developing goal of intelligent grid.For implementing this strategic plan, each research institute of associating of intelligent grid portion of State Grid Corporation of China has worked out " intelligent substation technology guide rule " jointly.In the guide rule heating and ventilation equipment in transformer station's auxiliary equipment is made following functional requirement: should possess regularly measuring ability of environment such as substation equipment running temperature, humidity; Realize air-conditioning, blower fan, well heater Long-distance Control or with the intelligent linkage of temperature and humidity controller, optimize substation management.
Therefore, design and develop the special-purpose heating and ventilating equipment control system of a kind of brand-new intelligent substation, with very with practical value and promotion prospect.
The utility model content
The purpose of the utility model is: design a kind of brand-new intelligent substation heating and ventilating equipment control system; Can concentrate and keep watch on and control environment temperature and heating and ventilating equipment; Make original local manual operation's equipment can realize control and interlock protection automatically, improve HVAC system of transformer station controlling level.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of transformer station HVAC automaton, it comprises:
Checkout equipment on the spot comprises the temperature transmitter that is positioned at battery chamber, main transformer room, power distribution station chamber, relay bungalow, reactor chamber, pulpit and is positioned at the leakage hydrogen detector of battery room, each blower fan outlet wind pressure measurement device;
Control system; Said control system is made up of DCS or PLC; And place in the control rack, rack receives each temperature transmitter and leaks hydrogen detector, wind pressure measurement device and each equipment feedback signal, and output instruction signal to the control module or the communication module of controlled device on the spot;
Control module; Be the control loop and the backfeed loop of blower fan and electric heater; Be loaded on and concentrate in power cabinet or the local control box, make and concentrate power cabinet or local control box to have distant place start and stop and feedback interface, a kind of local control unit of the corresponding control of each heating and ventilating equipment control module;
Local control unit comprises axial flow blower, electric heater, roof ventilator;
Communication module is mainly used in air-conditioning equipment, connects each air-conditioning to control system through communication cable, air-conditioning of the corresponding control of each air-conditioning communication module.
Each HVAC control module in said power and the control loop all is connected with the transformer station fire alarm system.
Described control system also with automation of transformation substations main website end communication, can the operation conditions of control system be reached administration and supervision authorities.
Adopt the utility model of technique scheme, have the following advantages:
(1) device first such as the local manual operation's of transformer station HVAC axial flow blower, roof ventilator, air-conditioning, electric heater is realized central controlled mode, and realize moving automatically according to environmental requirement and interlock requirement.
(2) centralized control of equipment such as realization blower fan, electric heater needs power cabinet of concentrating or the control box that disperses, and increases control loop and backfeed loop (general name control module) therein, can accept the function of distant place instruction with realization.
(3) realize this system's centralized control of including in of air-conditioning equipment, need to install additional in the air-conditioning communication module, and install corresponding communication fastener additional, its parameter can all be uploaded, to realize the to accept function that a distant place is set at the centralized control cabinet.
(4) full intelligent design is equipped with advanced modularization industrial computer system, have automatically, manually, functions such as demonstration, communication, meet the demand for development of intelligent substationization.
Therefore, the utility model has fundamentally changed heating and ventilating equipment system composition, construction and the operational management mode of transformer station, and whole year operation is realized Based Intelligent Control, lowers operations staff's labour intensity, and security and economy are improved, and is suitable for large-scale production and uses.
Description of drawings
Fig. 1 is the control principle block diagram of the utility model.
Fig. 2 is battery room blower fan steering logic figure.
Fig. 3 is axial flow blower control module figure.
Fig. 4 is motor backfeed loop figure.
Embodiment
As shown in Figure 1; A kind of transformer station HVAC autocontrol method; In real time from battery room, main transformer room, power distribution station chamber, relay bungalow, reactor chamber and pulpit, cable tunnel detected temperatures signal respectively; And battery room leaks hydrogen signal and each blower fan exports blast, and each temperature signal that detection obtains all is sent to control system with leakage hydrogen signal, wind pressure signal.Adopt Programmable Logic Controller PLC or scattered control system DCS to control in the control system with communication function; And require logical and programming according to control; The output start stop signal to each heating and ventilating equipment control module and communication module, above-mentioned heating and ventilating equipment control module and communication module and correspondingly control local control unit according to the start stop signal that receives and move; Simultaneously, each heating and ventilating equipment control module and communication module also are sent to control system with the start and stop status information of self.Like this, the utility model has been realized the automatic control of whole transformer station heating and ventilating equipment, and control system realizes equipment start-stop, operating condition supervision and adjustment and accident treatment through operator station.In operator station, several operating display frames are arranged, can operate the also operation of surveillance to The whole control system through picture.
In addition, under accident conditions, control system is sent interlock requirement information to each heating and ventilating equipment control loop, and each heating and ventilating equipment control module is accepted the signal of fire alarm system simultaneously, makes all heating and ventilating equipment control modules be in protected mode.In addition, control system all is sent to automation of transformation substations main website end with all Information Monitorings of control system and self information with communication modes, is merely to be convenient to tension management and to call data, is not used in operation.
The control that control system adopts in the utility model requires logic to be specially:
A, battery room: indoor temperature is during greater than 25 ℃, and blower fan, direct current air-conditioning are opened the cold wind state that also is in; When temperature reached 20 ℃, blower fan, air-conditioning stopped; At this moment, the air intake blinds is a normally open, considered new wind load when the air conditioner refrigerating amount is selected.
Indoor temperature is during less than 15 ℃, and blower fan, direct current air-conditioning are opened the hot blast state that also is in; When temperature reached 20 ℃, blower fan, air-conditioning stopped.At this moment, the air intake blinds is normally open, considered new wind load when the air conditioner refrigerating amount is selected.
The indoor density of hydrogen monitoring device of establishing, concentration reach restriction and open blower fan, and air-conditioning closes.
Automatically detect the fault of blower fan, air-conditioning, alerting signal reaches control system.In the time of accumulator or air-conditioning fault, open blower fan, close air-conditioning.The battery room blower fan should be provided with subsequent use, percentage reserve 2x50%, and a typhoon machine fault or blast are low excessively, open standby fan.
B, main transformer room: transformer room's air intake window shutter is often opened, and when indoor temperature reached 42 ℃, blower fan left; When indoor temperature reached 39 ℃ behind the fan operation, blower fan closed.
C, power distribution station and reactor chamber: the air intake window shutter is often opened, and when indoor temperature reached 35 ℃, blower fan left; When indoor temperature reached 30 ℃ behind the fan operation, blower fan closed.
D, GIS and cable tunnel: blower fan often leaves, and is subsequent use; Detect and the teletransmission failure alarm signal, daily ventilation is no less than 6 times/h.
E, pulpit, relay bungalow: the indoor temperature sensor of establishing, summer temp are during greater than 28 ℃, and air-conditioning is opened the cold wind state; When temperature reached 25 ℃, air-conditioning stopped; When winter or transition season temperature were lower than 18 ℃, air-conditioning was opened the hot blast state; When temperature reached 20 ℃, air-conditioning stopped.
With the battery room is example, and logical diagram is shown in 2.
As shown in Figure 2, a kind of transformer station HVAC automaton, by control system 1 and on the spot checkout equipment, control module 5 and on the spot controlled device form.
Wherein, checkout equipment comprises the temperature transmitter 3 that is positioned at battery chamber, main transformer room, power distribution station chamber, relay bungalow, reactor chamber, pulpit and is positioned at the leakage hydrogen detector 4 of battery room on the spot, each blower fan outlet wind pressure measurement device 13.
A control system 1 is set in the transformer station; Control system 1 is made up of DCS or PLC; And place in the control rack; Rack receives each temperature transmitter 3 and leaks hydrogen detector 4, wind pressure measurement device 13 and each equipment feedback signal, and output instruction signal to the control module 5 or the communication module 6 of controlled device on the spot.
Control module 5 is the control loop and the backfeed loop of blower fan and electric heater; Be loaded on and concentrate in power cabinet or the local control box 14; Make and concentrate power cabinet or local control box to have distant place start and stop and feedback interface, a kind of local control unit of the corresponding control of each heating and ventilating equipment control module.Power cabinet/control box 14 is accepted the overhead control power supply and is distributed to other power cabinet control power supply, perhaps adopts the control box that disperses.Each axial flow blower power loop of assembling in the bin, and install control module additional, make it to accept control system and the next steering order of fire alarm system, and the feedback device state.
Local control unit comprises axial flow blower 8, electric heater 9 and roof ventilator 11.
With an axial flow blower is example; Concrete connection principle is following: like Fig. 3, shown in Figure 4, control loop adopts the alternating current 220V power supply, corresponding to the station service electrical system of neutral ground; The control power supply reaches the neutral line mutually from the A of 380V.AC power supply and draws, and 108 skies for the control power supply drive line loop into.109 trip signals that form for control loop, make contactor 114 dead electricity after, motor promptly trips.110 is the combined floodgate control loop, at first through on the spot/distant place change-over switch 112 is chosen in the control system mode, wherein 104 be the output of this control system enabled instruction; When steering order is sent, junction closure, relay K-1 coil is charged; Make the K-1 normal opened contact in 109 closed, then contactor 114 is charged, the junction closure of contactor in the power loop; Then power loop energising, motor start-up.111 are the tripping operation control loop, through on the spot/distant place change-over switch 112 is chosen in the control system mode, 105 are the halt instruction of this control system output; 106 halt instructions for fire alarm system output, when one of them sends instruction, then relay K-2 coil is charged; K-2 normally closed contact in 109 is broken off, contactor 114 dead electricity then, the contact of contactor breaks off in the power loop; The power loop outage, motor stops.Relay K-3 is the power monitoring relay, and when the control loop dead electricity, the contact of K-3 can teletransmission to control system report to the police 116.In addition, the contact that takes out from contactor closes position feedback 118 and jumps position feedback 119 and be used for teletransmission to control system, on the spot/and distant place change-over switch is used for cashier's office in a shop and control system conversion and control sovereignty, and Control and Feedback signal 117 teletransmissions on the spot arranged to control system.In Fig. 3,101 is 380V.AC motor power loop, and 102 is the Motor Control loop, and 103 is the motor backfeed loop; 104 come stop signal for this control system, and 105 for fire alarm system comes stop signal, and 106 come enabling signal for this control system, and 107 is power monitoring relay K-3; 108 is the inlet wire air switch in Motor Control loop, and 109 is trip signal, and 110 are the control closing circuit, and 11 are control trip(ping) circuit power monitor circuit; 112 on the spot/distant place change-over switch CK, 113 is electrothermal relay RJ, 114 is A.C. contactor C; 115 is travel switch WK, 116 be the power fail feedback signal to control system, 117 for Control and Feedback signal on the spot to control system; 118 for motor closes a feedback signal to control system, and 119 jump the position feedback signal to control system for motor, and 120 for being with lamp switch knob HA cashier's office in a shop; 121 for being with lamp trip button TA cashier's office in a shop, and 122 is closing relay K-1, and 123 is tripping relay K-2.
Also communication is connected control system with operator station with automation of transformation substations main website end.In operator station, several operating display frames are arranged, can operate the also operation of surveillance to The whole control system through picture.
Claims (3)
1. transformer station's HVAC automaton is characterized in that it comprises:
Checkout equipment comprises temperature transmitter (3) that is positioned at battery chamber, main transformer room, power distribution station chamber, relay bungalow, reactor chamber, pulpit and the leakage hydrogen detector (4) that is positioned at battery room on the spot, each blower fan outlet wind pressure measurement device (13);
Control system (1); Said control system is made up of DCS or PLC; And place in the control rack; Rack receives each temperature transmitter (3) and leaks hydrogen detector (4), wind pressure measurement device (13) and each equipment feedback signal, and output instruction signal control module of controlled device (5) or communication module (6) extremely on the spot;
Control module (5); Be the control loop and the backfeed loop of blower fan and electric heater; Be loaded on and concentrate in power cabinet or the local control box (14); Make and concentrate power cabinet or local control box to have distant place start and stop and feedback interface, a kind of local control unit of the corresponding control of each heating and ventilating equipment control module;
Local control unit comprises axial flow blower (8), electric heater (9), roof ventilator (11);
Communication module (6) is mainly used in air-conditioning equipment, connects each air-conditioning to control system (1) through communication cable, the corresponding control of each an air-conditioning communication module air-conditioning (10).
2. transformer station according to claim 1 HVAC automaton is characterized in that: each HVAC control module in said power and the control loop all is connected with the transformer station fire alarm system.
3. transformer station according to claim 1 HVAC automaton is characterized in that: described control system also with automation of transformation substations main website end communication, can the operation conditions of control system be reached administration and supervision authorities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207912U CN202383493U (en) | 2011-12-14 | 2011-12-14 | Automatic control device for heating and ventilation of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207912U CN202383493U (en) | 2011-12-14 | 2011-12-14 | Automatic control device for heating and ventilation of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383493U true CN202383493U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205207912U Expired - Fee Related CN202383493U (en) | 2011-12-14 | 2011-12-14 | Automatic control device for heating and ventilation of transformer substation |
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| Country | Link |
|---|---|
| CN (1) | CN202383493U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149910A (en) * | 2013-02-28 | 2013-06-12 | 丽水电业局 | Ventilation intelligent control system in transformer substation room |
| CN103163846A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN104780724A (en) * | 2014-01-09 | 2015-07-15 | 中国海洋石油总公司 | Skid-mounted battery applied to offshore oil platform |
| CN105259884A (en) * | 2015-11-16 | 2016-01-20 | 丽水学院 | Substation ventilation intelligent control system |
-
2011
- 2011-12-14 CN CN2011205207912U patent/CN202383493U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163846A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN103163846B (en) * | 2011-12-14 | 2015-07-01 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN103149910A (en) * | 2013-02-28 | 2013-06-12 | 丽水电业局 | Ventilation intelligent control system in transformer substation room |
| CN103149910B (en) * | 2013-02-28 | 2015-04-08 | 丽水电业局 | Ventilation intelligent control system in transformer substation room |
| CN104780724A (en) * | 2014-01-09 | 2015-07-15 | 中国海洋石油总公司 | Skid-mounted battery applied to offshore oil platform |
| CN105259884A (en) * | 2015-11-16 | 2016-01-20 | 丽水学院 | Substation ventilation intelligent control system |
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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: 20120815 Termination date: 20161214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |