CN209731877U - A kind of zone controller convenient for heat dissipation - Google Patents
A kind of zone controller convenient for heat dissipation Download PDFInfo
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- CN209731877U CN209731877U CN201822117928.4U CN201822117928U CN209731877U CN 209731877 U CN209731877 U CN 209731877U CN 201822117928 U CN201822117928 U CN 201822117928U CN 209731877 U CN209731877 U CN 209731877U
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Abstract
The utility model discloses a kind of zone controller convenient for heat dissipation, it includes: upper box assembly, including left plate, back plate and lower plate that device processed is assisted in region；Lower box assembly is fixed into cabinet by connector with the upper box assembly comprising right panel, foreboard and upper plate；Radiating subassembly, including radiator fan and heat release hole, the heat release hole are set in the back plate and foreboard, and the radiator fan is set to the inside of the upper box assembly, while being set at the heat release hole.By the utility model convenient for the radiating subassembly of the zone controller of heat dissipation, heat inside the device that can shed, and conveniently, it is at low cost.
Description
Technical field
The present invention relates to a kind of zone controllers convenient for heat dissipation, belong to zone controller equipment technical field.
Background technique
With the continuous promotion of civilization of human society degree, mankind's activity produces tremendous influence, the energy to earth environment
Shortage, environmental pollution and climate change have become the serious problems in the puzzlement whole world.Power industry is the core of national energy industry,
Its state of development has direct influence to problem above.In order to cope with the environmental protection of continuous improvement, energy-saving and emission-reduction and can hold
Continuous sexual development requirement, countries in the world propose and perform much policy relevant to exploitation renewable energy and measure.New energy
Generation technology obtains swift and violent development under the support of various policies, and a large amount of photovoltaic, wind-powered electricity generation, trilogy supply unit etc. are in a distributed manner
The form of power supply (DG, Distributed Generation) is linked into power grid, is alleviating power grid power supply and peak regulation pressure
The challenge of power quality and planning, operation, control etc. also is brought to traditional power grid simultaneously.On the other hand, with number
The arriving for the information age that word and networking are characterized, requirement of the society to power quality and power supply reliability are more and more tighter
Lattice, user requires that more convenient and flexible information exchange can be carried out with power distribution network and power interacts, traditional power industry face
Face the new challenge of new era imparting.
And polymorphic type distributed electrical source region assists device utilization rate processed higher and higher, and the hair that it at work can be different degrees of
Heat, a series of bad phenomenons can be generated after temperature raising: temperature increases, and directly influences the loss of electric energy, can increase electric energy
Loss, temperature increases, causes the insulating materials equipment quickening aging of surrounding, or even easily cause fire incident.
The shell of existing polymorphic type distributed generation resource zone controller is general by upper and lower common aluminum alloy cover board and left and right
Logical aluminium alloy side plate four sides assembles, and the faying face of shell and shell, which is adopted, in actual production process is screwed or riveting
It connects, because zone controller is not provided with effective radiator structure, causes its service life low.
Summary of the invention
The technical problem to be solved by the present invention is a kind of zone controller convenient for heat dissipation is provided, to solve the prior art
The problem of.
The technical scheme adopted by the invention is as follows: a kind of zone controller convenient for heat dissipation, it includes:
One side of upper box assembly, including left plate, back plate and lower plate, the left plate is connected with the back plate, therewith
Another vertical side is connected with the lower plate, and a side of the back plate is connected with the lower plate；
One side of lower box assembly, including right panel, foreboard and upper plate, the right panel is connected with the foreboard, therewith
Another vertical side is connected with the upper plate, and a side of the foreboard is connected with the upper plate；
Wherein, upper box assembly and the lower box assembly are fixed by connector is assembled into cabinet；
Control circuit is installed in cabinet；
Radiating subassembly, including radiator fan and heat release hole, the heat release hole are set in the back plate and foreboard, the heat dissipation
Fan is set to the inside of the upper box assembly, while being set at the heat release hole.
As a preferred embodiment, in which: the back plate upper end is equipped with the first protrusion link block, and the left plate upper end is with before
End is respectively equipped with the second protrusion link block and third protrusion link block, the first protrusion link block, the second protrusion connection
Fixation hole is equipped on block and third protrusion link block；The upper plate and foreboard left end are equipped with through hole, and the connector is worn
Cross the fixed upper box assembly of fixation hole and through hole and the lower box assembly, the connector is screw, the fixation hole and
Through hole is threaded hole.
As a preferred embodiment, in which: the first locating piece is equipped on rear side of the back plate right end, first locating piece is cut
Face is L-shaped, and one side and the back plate fit fixation, and another side and the back plate are perpendicular.
As a preferred embodiment, in which: the second locating piece is equipped on the outside of the foreboard right end, second locating piece is cut
Face is L-shaped, and one side and the foreboard fit fixation, and another side and the foreboard are perpendicular.
As a preferred embodiment, in which: be equipped with location hole on first locating piece and second locating piece.
As a preferred embodiment, in which: be provided on the right panel and reset keyhole and grafting port.
As a preferred embodiment, in which: the control circuit includes wiring board, reset key and serial ports, the reset key
It is connected respectively with the wiring board with serial ports；The reset key passes through the reset keyhole, and the serial ports passes through the grafting
Port.
Beneficial effects of the present invention: compared with prior art, the polymorphic type distributed electrical convenient for heat dissipation through the invention
Source region assists the radiating subassembly of device processed, and the heat inside the device that can shed improves service life of equipment, and conveniently, it is at low cost.
Detailed description of the invention
Fig. 1 is the power distribution network distributed energy Coordinated Control road in layer-stepping distribution control method provided by the invention
Line chart；
Fig. 2 is the power distribution network hierarchical coordinative control under the Multiple Time Scales in layer-stepping distribution control method provided by the invention
Frame processed；
Fig. 3 is negative feedback links schematic diagram in layer-stepping distribution control method provided by the invention；
Fig. 4 is the load efficiency curve in layer-stepping distribution control method provided by the invention；
Fig. 5 is battery internal resistance, voltage and SOC relational graph in layer-stepping distribution control method provided by the invention；
Fig. 6 is to assist the whole of device processed in a kind of embodiment provided by the invention convenient for the polymorphic type distributed electrical source region of heat dissipation
Body structural blast schematic diagram；
Fig. 7 is the institute of assisting device processed in a kind of embodiment provided by the invention convenient for the polymorphic type distributed electrical source region of heat dissipation
State top box component structure diagram；
Fig. 8 is the institute of assisting device processed in a kind of embodiment provided by the invention convenient for the polymorphic type distributed electrical source region of heat dissipation
State the overall structure diagram of lower box assembly；
Fig. 9 is the institute of assisting device processed in a kind of embodiment provided by the invention convenient for the polymorphic type distributed electrical source region of heat dissipation
State the overall structure diagram of RJ45 connector；
Figure 10 is to assist device processed in a kind of embodiment provided by the invention convenient for the polymorphic type distributed electrical source region of heat dissipation
The overall structure diagram of the serial ports.
Specific embodiment
With reference to the accompanying drawing and utility model is described further in specific embodiment.
Embodiment 2: as shown in Fig. 6-Figure 10, a kind of polymorphic type distributed electrical source region association device processed convenient for heat dissipation, the control
Device processed includes upper box assembly 100 and lower box assembly 200, and upper box assembly 100 and lower box assembly 200 are fixed by connector, assembling
At cabinet, control circuit is installed in cabinet.
Specifically, upper box assembly 100 includes left plate 101, back plate 102 and lower plate 103, a side of left plate 101 is with after
Plate 102 is connected, and another side normal thereto is connected with lower plate 103, a side and 103 phase of lower plate of back plate 102
Connection forms the pattern for being similar to an apex angle of three faces composition by left plate 101, back plate 102 and lower plate 103；
Lower box assembly 200 includes right panel 201, foreboard 202 and upper plate 203, a side and 202 phase of foreboard of right panel 201
Connection, another side normal thereto are connected with upper plate 203, and a side of foreboard 202 is connected with upper plate 203, with
Upper box assembly 100 is corresponding, forms one by right panel 201, foreboard 202 and upper plate 203 and is similar to the one of three faces composition
The pattern of a apex angle.
The secure fit for passing through bolt screw between upper box assembly 100 and lower box assembly 200, forms a complete case
Body.
Because internal temperature can be relatively high after upper box assembly 100 and lower box assembly 200 merge into cabinet, if temperature is high
It will affect the operation of machine, therefore provide radiating subassembly 400 in the present embodiment.
Radiating subassembly 400 includes radiator fan 401 and heat release hole 402, and the heat release hole 402 is set to 102 He of back plate
On foreboard 202, radiator fan 401 is set to the inside of the upper box assembly 100, while being set at the heat release hole 402.It sets in this way
Meter can make, and after radiator fan 401 is powered, heat is dispelled out by radiator fan 401, and is shed by heat release hole 402
To outside cabinet, the heat of box house is removed.
Referring to Fig. 6-Fig. 8,102 upper end of back plate is equipped with the first protrusion link block 102a, and 101 upper end of left plate and front end are set respectively
There is the second protrusion link block 101b third to protrude link block 101c, the first protrusion link block 102a, the second protrusion link block 101b
It is equipped with fixation hole b on third protrusion link block 101c, through hole c is equipped on 203 left end of upper plate, connector passes through fixation hole
Box assembly 100 and lower box assembly 200 in b and through hole c fixation, connector is screw, and fixation hole b and through hole c is screw thread
Hole.
Referring to Fig. 6-Figure 10, the first locating piece 102b is equipped on rear side of 102 right end of back plate, the first section locating piece 102b is in L
Type, one side and back plate 102 fit fixation, and another side and back plate 102 are perpendicular.It is fixed that second is equipped on the outside of 202 right end of foreboard
Position part 202a, the second section locating piece 202a is L-shaped, and one side and foreboard 202 fit fixation, another side and 202 phase of foreboard
Vertically, and on the first locating piece 102b and the second locating piece 202a it is equipped with location hole a.
Right panel 201, which is equipped with, resets keyhole 201a and grafting port 201b.
Router further includes control circuit 300, and control circuit 300 is placed in box assembly 100 and lower box assembly 200 surrounds
In cabinet, control circuit 300 includes wiring board 301, reset key 302 and serial ports 303, reset key 302 and serial ports 303 respectively with line
Road plate 301 is connected, and reset key 302, which passes through, resets keyhole 201a, and serial ports 303 passes through grafting port 201b, region easy to disassemble
Controller.
Reset key 302 can make polymorphic type distributed electrical source region that device processed be assisted to reset, after pressing reset key 302, polymorphic type
Distributed electrical source region assists device processed that will restart.
Serial ports 303 generally uses RS232/RS485 serial ports, is adapted to automatically according to software configuration, does not need to set using other
It sets, 303 pin definitions of serial ports are as follows, referring to table 1 and Fig. 9-10:
Table 1
| PIN | RS232 | RS485-2W |
| 1 | --- | --- |
| 2 | RXD | --- |
| 3 | TXD | --- |
| 4 | --- | --- |
| 5 | GND | GND |
| 6 | --- | Data+(B) |
| 7 | --- | Data-(A) |
| 8 | --- | --- |
| 9 | --- | --- |
And the RJ45 interface 303 being plugged in RS232/RS485 serial ports has 8 pins, the definition of each pin is different,
Referring to table 2 and Fig. 9-10:
Table 2
| Pin number | Title | Description | It is recommended that color |
| 1 | TX+ | Send anode | Orange is white |
| 2 | TX- | Send cathode | Orange |
| 3 | RX+ | Receive anode | It is green white |
| 4 | - | It is blue | |
| 5 | - | Lan Bai | |
| 6 | RX- | Receive cathode | It is green |
| 7 | - | Palm fibre is white | |
| 8 | - | Palm fibre |
Be integrated in back plate 102 in the present embodiment a power input terminal of redundant power, system reset switch,
Default switch, protective grounding terminal etc..
Embodiment 2: currently, the distributed energy Coordinated Control of power distribution network passes through global optimization energy management and region
Autonomous control is mutually coordinated under different time scales, improves the robustness and economy of operation of power networks.Its overall technology route is such as
Shown in Fig. 1, by the research of the Con trolling index system of power distribution network, to instruct the active power coordinated control of power distribution network, in this base
The active power control method for coordinating based on power distribution network is proposed on plinth, and designs and develops corresponding zone controller.
Referring to Fig. 2, power distribution network global energy management system acquires the real-time running data of entire power distribution network, which includes
The operation data of each distributed energy power generation calculates global optimization control method according to optimal load flow algorithm, this is global
Optimal Control Strategy be under long time scale.Global optimization control method generates the localized target value of each region control,
That is the Power Exchange target value of autonomous area and distribution, each region is further according to this Power Exchange target value and actual power
Cross-over value realizes the autonomous control under relatively short time scale by the control strategy of regional autonomy, so that power distribution network
Overall operation state can respond this variation faster by external disturbance, and dissolve this by distributed energy
A variation, so that entire power distribution network more tends to global optimum's target.
A kind of layer-stepping distribution control method of zone controller, method includes the following steps:
The first step calculates substation's distribution outlet outlet power and controls error；
Second step controls the target of error zero according to distribution outlet outlet power, pi regulator is adjusted, at defuzzification
Reason；
Third step controls proportionality coefficient according to the PI that step 2 is formed, by controller automatically according to distributed generation resource and
The distribution of energy storage active power.
About the calculating of substation's distribution outlet outlet power control error, first is defined as:
ki×ΔPF+ΔParea-i=0
In formula, Δ PFIt is the deviation of substation's distribution outlet practical outlet power and optimization target values,
Wherein, PFIt is the practical outlet power of substation's distribution outlet,It is optimization target values, Δ Parea-iBe i-th from
Control the difference in region Yu substation's distribution outlet actual exchange power and optimization target values, kiIt is the power control association that region i is participated in
Coefficient is adjusted,
Wherein, Paree-iIt is the actual exchange power of autonomous area i Yu substation's distribution outlet,It is exchange optimization
Target value.
Polymorphic type distributed electrical source region assists the output of device processed to indirectly control the power output of distributed energy, then influences Δ
Parea-iValue, thus influence substation's distribution outlet outlet power control error amount calculating, therefore, actually by distribution
Formula energy output power influences the negative-feedback that substation's distribution outlet outlet power control error is formed in control structure, entire to be
System forms closed-loop control.
Closed-loop system is exactly to refer to that the result of control system while output, can also be sent back to the input of controller,
To influence the later output of controller, a ring is formed.There are positive feedback and negative-feedback, closed-loop control systems for closed-loop control system
System all uses negative-feedback under normal circumstances.
So-called negative-feedback be exactly output signal it is some or all by certain mode be transmitted back to input terminal carry out
Compare, the feedback for reducing net input quantity is indicated with block diagram such as Fig. 3.
Adjust pi regulator: due to needing in a computer to program pid algorithm realization, and computer control is that one kind is adopted
Sample control, it can only according to sampling license deviation calculate control amount, cannot as simulation control continuous output controlling amount, into
Row continuous control.Due to this feature, integral and differential term in formula (1) cannot be used directly, it is necessary to be carried out at discretization
Reason.
Wherein, u (t) is the output signal of adjuster；E (t) is the deviation signal of adjuster, it is equal to given value and measurement
The difference of value；KpFor proportionality coefficient；TIFor integration time constant；TDFor derivative time constant；For integral coefficient；KPTDFor differential
Coefficient；
Laplace transformation is carried out to formula (1), obtains its transmission function:
It is discrete to formula (2) progress, when discrete using backward difference method:
Wherein, K in formulaP、KI、KDIt is ratio, integral, differential coefficient respectively；
Formula (3) is converted, is obtained:
(1-z-1) U (z)=[KP(1-z-1)+KI+KD(1-z-1)2]E(z) (4)
Z inverse transformation is carried out to formula (4) both ends again, is obtained:
U (k)=u (k-1)+KP[e(k)-e(k-1)]+KIe(k)+KD[e(k)-2e(k-1)+e(k-2)] (5)
Wherein, formula (5) is exactly that polymorphic type distributed electrical source region assists the formula for realizing that PI is adjusted in device processed, commonly referred to as position
Set formula PID.
The defuzzification processing uses gravity model appoach, the formula of the precise volume exported after the defuzzification processing processing of conclusion
Are as follows:
Wherein, uiFor degree of membership of the input variable in i-th of fuzzy rule, xiFor the quantized value of i-th of fuzzy subset, n
Indicate substation's distribution outlet number.
Controller is to distributed generation resource and energy storage active power distribution method: distribution method is that PI adjusting is defeated in determining area
The method of salary distribution of result out, the i.e. allocation algorithm to distributed generation resource and energy storage active power.The mesh of area power distribution method
Mark is exactly to comprehensively consider various distributed generation resources and energy storage device under the premise of guaranteeing that whole system and block supply are stablized
Operation constraint, improve system life cycle management economy.
In addition to photovoltaic power generation and this kind of distributed generation resource using renewable energy of wind-power electricity generation, similar miniature gas turbine
It merits attention by the distributed generation resource operational efficiency problem of fossil energy.Such as Fig. 4, if such DG longtime running is in underload
State, under its efficiency will be very low.
Therefore, can fix constraint condition to DG, setting DG minimum runs power, in addition, the switching cost of DG relative to
Operating cost is higher, therefore after starting DG, sets the minimum runing time of DG.It is summarized as following formula:
For energy-storage battery, the SOC of battery is an important index, it refers to the current remaining capacity of battery.Fig. 5
Illustrate the relationship of battery internal resistance, charging/discharging voltage and SOC.From the figure, it can be seen that SOC=0.2 is one apparent point
Boundary's point, when the SOC of energy-storage battery is within [0, the 0.2] stage, internal resistance is larger, and holds voltage that nonlinear change characteristic is presented；
And the SOC of energy-storage battery is within [0.2, the 1] stage, the internal resistance of energy-storage battery is smaller, and internal resistance value variation is less, almost can be with
It is considered a constant value, and holds voltage that the characteristic of linear change is then presented.
When polymorphic type distributed electrical source region assists device processed to carry out region control, although it is to indirectly control storage energy operation shape
State, but after collecting storage energy operation state, it can guarantee that the working region SOC of energy storage exists according to this operation characteristic of energy storage
Between 0.2 < SOC < 1, namely when battery discharge is to SOC=0.2, battery stops electric discharge, and when battery charges to SOC=1,
Battery stops charging.
And the service life of energy-storage battery and its charge and discharge number have close relationship, therefore during energy storage charging, in condition
Before battery SOC should being avoided to reach the upper limit as far as possible in the case of permission energy storage is discharged, equally, during energy storage electric discharge, in condition
Before battery SOC should being avoided to reach lower limit as far as possible in the case of permission energy storage is charged.The case where so-called adjusting allows just refers to area
There are other distributed energies that can undertake its index in domain, breaks standing state without energy storage device to undertake.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.
Claims (5)
1. a kind of zone controller convenient for heat dissipation, it is characterised in that: include:
Upper box assembly (100), including left plate (101), back plate (102) and lower plate (103), a side of the left plate (101)
It is connected with the back plate (102), another side normal thereto is connected with the lower plate (103), the back plate (102)
A side be connected with the lower plate (103)；
Lower box assembly (200), including right panel (201), foreboard (202) and upper plate (203), a side of the right panel (201)
It is connected with the foreboard (202), another side normal thereto is connected with the upper plate (203), the foreboard (202)
A side be connected with the upper plate (203)；
Upper box assembly (100) and lower box assembly (200) surround cabinet；
Control circuit is installed in cabinet；
Radiating subassembly (400), including radiator fan (401) and heat release hole (402), the heat release hole (402) are set to the back plate
(102) and on foreboard (202), the radiator fan (401) is set to the inside of the upper box assembly (100), while being set to described
At heat release hole (402).
2. a kind of zone controller convenient for heat dissipation according to claim 1, it is characterised in that: on the back plate (102)
End is equipped with the first protrusion link block (102a), and left plate (101) upper end and front end are respectively equipped with the second protrusion link block
(101b) and third protrude link block (101c), first protrusion link block (102a), the second protrusion link block
Fixation hole (b) is equipped on (101b) and third protrusion link block (101c)；
The upper plate (203) and foreboard (202) left end are equipped with through hole (c), the upper box assembly (100) and the nowel group
Part (200) passes through fixation hole (102c) using connector and through hole (c) is fixed；The connector is screw, the fixation hole
(b) and through hole (c) is threaded hole.
3. a kind of zone controller convenient for heat dissipation according to claim 1 to 2, it is characterised in that: the back plate
(102) be equipped with the first locating piece (102b) on rear side of right end, the first locating piece (102b) section is L-shaped, one side with it is described
Back plate (102) fits fixation, and another side and the back plate (102) are perpendicular.
4. a kind of zone controller convenient for heat dissipation according to claim 3, it is characterised in that: the foreboard (202) is right
End outside is equipped with the second locating piece (202a), and the second locating piece (202a) section is L-shaped, one side and the foreboard
(202) fit fixation, and another side and the foreboard (202) are perpendicular.
5. a kind of zone controller convenient for heat dissipation according to claim 1, it is characterised in that: on the right panel (201)
It is provided with and resets keyhole (201a) and grafting port (201b).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656131A (en) * | 2018-12-17 | 2019-04-19 | 贵州电网有限责任公司 | A kind of layer-stepping distribution control method and zone controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656131A (en) * | 2018-12-17 | 2019-04-19 | 贵州电网有限责任公司 | A kind of layer-stepping distribution control method and zone controller |
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