CN102035143B - High-temperature resistant low-voltage switch cabinet - Google Patents
High-temperature resistant low-voltage switch cabinet Download PDFInfo
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- CN102035143B CN102035143B CN2010105303869A CN201010530386A CN102035143B CN 102035143 B CN102035143 B CN 102035143B CN 2010105303869 A CN2010105303869 A CN 2010105303869A CN 201010530386 A CN201010530386 A CN 201010530386A CN 102035143 B CN102035143 B CN 102035143B
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- voltage amplifier
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a high-temperature low-voltage switch cabinet, consisting of an internal-external two-compartment type box body part and a high-temperature resistant control system part, wherein the internal-external two-compartment type box body part mainly comprises an external compartment and a plurality of internal compartments; the external compartment is connected with the internal compartments through dual structures of a suspension ring and a supporting plate; the high-temperature resistant control system part is formed by sequentially connecting a temperature measurement module, a control module and a refrigeration module; by adopting the internal-external two-compartment type box body structure, the low-voltage switch cabinet has effect of dual heat insulation; the internal compartments and the external compartment are connected detachably, so that the internal compartments and the external compartment are manufactured by adopting a simple process, are flexible in layout, easy to separate and detach and benefit the check and replacement of internal electrical components; the high-temperature resistant control system monitors the internal temperature and intelligently reduces the temperature so as to achieve the effect of resisting high temperature; and by using a solar panel, the heat-insulating effect can be achieved, the auxiliary energy can be provided for the high-temperature resistant control system and the functions for saving energy and protecting environment can be achieved.
Description
Technical field
The invention belongs to the low-tension switch cabinet technical field, relate in particular to a kind of novel anti-high-temp energy-saving environment protection type low-tension switch cabinet.
Background technology
Low-tension switch cabinet carries out regulation and control to distribution line, switch is monitored on the coupled columns, finish remote measurement, remote control, remote signalling, fault detection capability, carry out the order that the distribution main website issues, realize the functions such as fault location, Fault Isolation and non-fault zone fast recovery of power supply, be widely used in various industrial control systems.
Traditional low-tension switch cabinet (Fig. 1) adopts the casing of Compartmentalized vanity, and this integrated body structure is complicated, manufacturing process is difficult, cost is high, layout is fixed, and is unfavorable for checking, changing of electric elements inside.And traditional low-tension switch cabinet casing adopts metal material usually, and outdoor switch cabinet is subject to the direct projection of the sun daytime, and the metal material quick heating that is heated has caused certain influence to the property working properly of electric elements inside.
Summary of the invention
The object of the invention is to the deficiency for the traditional switch cabinet, a kind of anti-high-temperature low-pressure switch cubicle is provided.
The objective of the invention is to be achieved through the following technical solutions: a kind of anti-high-temperature low-pressure switch cubicle, it is mainly divided by inside and outside two van-type chest portion and prevents that the high-temperature control components of system as directed forms.Described inside and outside two van-type chest portion divide mainly by an enclosure and in several railway carriage or compartment form, interior railway carriage or compartment places on the supporting plate of enclosure, and is connected by the cooperation of hanging ring with the load-bearing ring; Described anti-high-temperature control components of system as directed is connected to form successively by temperature measurement module, control module and refrigeration module.
Further, described temperature measurement module is mainly by thermocouple TE, voltage amplifier Z
1, resistance R
1, resistance R
2And resistance R
3Form.Described control module control module is mainly by A/D converter U
1, single-chip microcomputer U
2, D/A converter U
3, resistance R
4, resistance R
5, variable resistor R
f, capacitor C
1, capacitor C
2, capacitor C
3, electrochemical capacitor C
4, crystal oscillator E
1, diode D
1, voltage amplifier Z
2, K switch, six anti-phase this schmitt trigger H form.Described refrigeration module is mainly by triode VT, relay J, diode D
2, solar panel S and several semiconductor chilling plates T form.
The invention has the beneficial effects as follows:
(1) body structure of inside and outside two van-types has dual heat insulation effect.
(2) inside and outside wing-rooms on either side of a one-story house connect by removable connected mode, so that interior enclosure manufacturing process is simple, layout flexibly, is easily separated dismounting, are beneficial to checking and changing of electric elements inside.
(3) inside and outside wing-rooms on either side of a one-story house adopt different materials, and enclosure adopts the SMC nonmetallic composite, strengthen effect of heat insulation, reduce heat transfer; The cold-rolled steel metal material is adopted in interior railway carriage or compartment, reaches anti-electromagnetic interference effect, and the heat that is conducive to the internal semiconductor cooling piece spreads out of.
(4) anti-high-temperature control system carries out temperature monitoring, intelligent cooling to inside, reaches anti-high temp effect.
(5) use of solar panel had both reached effect of heat insulation, for anti-high-temperature control system provides auxiliary energy, played the energy-conserving and environment-protective effect again.
Description of drawings
Fig. 1 is traditional switch cabinet figure;
Fig. 2 is the semiconductor refrigerating schematic diagram;
Fig. 3 is the semiconductor chilling plate structure chart;
Fig. 4 is the switch cabinet structure block diagram, wherein, (a) is the body structure schematic diagram, (b) is anti-high-temperature control system;
Fig. 5 is switchgear cabinet and anti-high-temperature control alliance graph of a relation;
Fig. 6 is interior enclosure connection layout;
Fig. 7 is anti-high-temperature control system circuit diagram;
Fig. 8 is the workflow of anti-high-temperature control system;
Among the figure, potsherd 1, sheet metal 2, enclosure 3, interior railway carriage or compartment 4, semiconductor chilling plate 5, temperature thermocouple 6, solar panel 7, rivet 8, supporting plate 9, hanging ring 10, load-bearing ring 11.
Embodiment
Semiconductor refrigerating claims again thermoelectric cooling or thermoelectric cooling, is a kind of Refrigeration Technique that the fifties end grows up.The primary element of semiconductor refrigerating is thermocouple, utilizes two kinds of different semi-conducting materials (p-type and N-shaped) to form thermocouple.As shown in Figure 2.When DC power supply was connected, the electronics in the bi-material and hole be heat absorption and release in the process of crossing over the P-N knot, therefore above heat absorption, temperature reduces, and forms cold junction, below heat release, temperature raises, and forms the hot junction.Anti-high-temperature control system utilizes semi-conductive thermoelectric refrigerating effect exactly, reaches anti-high temp effect.Utilize the thermoelectric cooling principle, with countless the p-n semiconductor is cross-linked, just can form a semiconductor chilling plate (as shown in Figure 3).Wherein semi-conducting material adopts p-type and N-shaped Bi
2Te
3-Sb
2Te
3-Sb
2Se
3Accurate ternary-alloy material, the semi-conductive brace of p-n is sheet metal 2, sheet metal 2 outer surfaces respectively add one deck potsherd 1, form semiconductor chilling plate.
As shown in Figure 4, the novel anti-high-temp energy-saving environment protection type switch cubicle of the present invention is divided by inside and outside two van-type chest portion and prevents that the high-temperature control components of system as directed forms.Inside and outside two van-type chest portion are divided mainly by an enclosure and are placed that railway carriage or compartment forms in the enclosure several.Anti-high-temperature control components of system as directed is connected to form successively by temperature measurement module, control module, refrigeration module.Enclosure adopts nonmetallic composite, and metal material is adopted in interior railway carriage or compartment.
As shown in Figure 5, the position relationship of described casing part and anti-high-temperature control system.In the anti-high-temperature control system, the temperature thermocouple 6 of temperature measurement module and the semiconductor chilling plate 5 of refrigeration module are placed on interior railway carriage or compartment 4, and the solar panel 7 of refrigeration module covers enclosure 3 upper surfaces.
As shown in Figure 6, inside and outside two van-type chest portion are divided, and load-bearing ring 11 and supporting plate 9 are fixed on the enclosure 3 by rivet 8, and interior railway carriage or compartment 4 places on the supporting plate 9, and the hanging ring 10 in interior railway carriage or compartment 4 matches with load-bearing ring 11, connect thereby consist of dual structure.
Fig. 7 illustrates the anti-high-temperature control system of the novel anti-high-temp energy-saving environment protection type switch cubicle of the present invention, and (Fig. 7 a), control module (Fig. 7 b), refrigeration module (Fig. 7 c) form by temperature measurement module in anti-high-temperature control system.Temperature measurement module, refrigeration module are connected respectively to control module.
Among Fig. 7 (a), temperature measurement module is mainly by thermocouple TE, voltage amplifier Z
1, resistance R
1, resistance R
2, resistance R
3Form, wherein TE one end of thermocouple is connected to resistance R
1An end, resistance R
1The other end be connected respectively to inverting input and the resistance R of voltage amplifier Z
2An end, resistance R
2The other end be connected to voltage amplifier Z
1Output, resistance R
3An end be connected to voltage amplifier Z
1In-phase input end, voltage amplifier Z
1Output be connected to the A/D converter U of Fig. 7 (b)
1, the other end of thermocouple TE, voltage amplifier Z
1Negative power end and resistance R
3Other end ground connection.
Among Fig. 7 (b), control module is mainly by A/D converter U
1, single-chip microcomputer U
2, D/A converter U
3, resistance R
4, resistance R
5, variable resistor R
f, capacitor C
1, capacitor C
2, capacitor C
3, electrochemical capacitor C
4, crystal oscillator E
1, diode D
1, voltage amplifier Z
2, K switch, six anti-phase this schmitt trigger H form, wherein, A/D converter U
1Can adopt Shenzhen's news to rise product, the single-chip microcomputer U of the ADC0801 of Science and Technology Ltd. model
2Can adopt product, the D/A converter U of the aobvious all AT80C51 of the Science and Technology Ltd. models in Beijing
3Can adopt the product of the little DAC0832 of the Co., Ltd model that makes the science and technology prosperous of Shenzhen's connection, six anti-phase this schmitt trigger H can adopt the product of the CD40106 model of red flag mountain, Wenling, Zhejiang province city electronic artwork factory, but all are not limited to this.
A/D converter U
1With D/A converter U
3Respectively by parallel port bus and single-chip microcomputer U
2Connect.Voltage amplifier Z in the temperature measurement module
1Output and A/D converter U
1In U
IN (+)End (10 pin) links to each other, A/D converter U
1D
0～D
7End (13～20 pin) is by 8 parallel-by-bit mouth buses and single-chip microcomputer U
2P
0.0～P
0.7End (1～8 pin) links to each other, A/D converter U
1In
End (23 pin) is connected to single-chip microcomputer U
2RD end (14 pin), D/A converter U
3 
End (2 pin), A/D converter U
1In
End (22 pin) is connected to single-chip microcomputer U
2WR end (14 pin), A/D converter U
1 
End (24 pin) is connected to single-chip microcomputer U
2P
2.4End (25 pin), A/D converter U
1 End (21 pin) is connected to single-chip microcomputer U
2P
2.3End (24 pin), capacitor C
1An end be connected to A/D converter U
1CLK end (9 pin) and resistance R
4An end, resistance R
4The other end be connected to A/D converter U
1CLKR end (8 pin), A/D converter U
1U
IN (-)End (11 pin), AGND end (12 pin), DGND hold (13 pin) and capacitor C
1The other end hold with being connected to.Single-chip microcomputer U
2In RST end (9 pin) be connected to the output of six anti-phase this schmitt trigger H, the input of six anti-phase this schmitt trigger H is connected respectively to diode D
1Positive terminal, electrochemical capacitor C
4Positive terminal, an end and the resistance R of K switch
5An end, diode D
1Negative pole end, resistance R
5The other end be connected to power supply, the other end of K switch and electrochemical capacitor C
4Negative pole end ground connection, single-chip microcomputer U
2XTAL1 end (19 pin) be connected respectively to crystal oscillator E
1An end and capacitor C
2An end, single-chip microcomputer U
2XTAL2 end (18 pin) be connected to crystal oscillator E
1The other end, capacitor C
3An end, single-chip microcomputer U
2GND end (20 pin), capacitor C
2The other end and capacitor C
3Other end ground connection, single-chip microcomputer U
2P
0.7～P
0.0End (32～39 pin) is connected to D/A converter U
1D
7～D
0, single-chip microcomputer U
2P
2.2End (23 pin) is connected to the transistor base of Fig. 7 (c), D/A converter U
3Vcc end (20 pin) and V
REFEnd (8 pin) is connected respectively to the power supply of 12V and 5V, D/A converter U
3I
O1End (11 pin) is connected to voltage amplifier Z
2Negative input, voltage amplifier Z
2Output V
OUTBe connected to variable resistor R
fAn end and the Chang Kaiduan of the relay J of Fig. 7 (c), variable resistor R
fThe other end be connected to D/A converter U
3R
FBEnd (9 pin), voltage amplifier Z
2Positive power source terminal be connected to the power supply of 12V, D/A converter U
3 
End (1 pin), AGND end (3 pin), DGND hold (10 pin), I
02End (12 pin),
End (17 pin),
End (18 pin) and voltage amplifier Z
2Positive terminal, power-power end hold with being connected respectively to.
Among Fig. 7 (c), refrigeration module is mainly by triode VT, relay J, diode D
2, solar panel S and several semiconductor chilling plates T (T
1, T
2) form, wherein, the collector electrode of triode VT is connected to power supply, and the emitter of triode VT is connected to coil one end of relay J, and the normal-closed end of relay J is connected to diode D
2Negative pole end, the common port of relay J is connected to the end of semiconductor chilling plate T, diode D
2Positive terminal be connected to the positive terminal of solar panel S, the other end of the coil other end of relay J, the negative pole end of solar panel S and semiconductor chilling plate T is ground connection respectively.
The workflow of anti-high-temperature control of the present invention system can be divided into following steps as shown in Figure 8:
1. the hardware parameter of system carried out initialization.
2. temperature measurement module is measured temperature, output signal.
3. whether the threshold values of control module comparison signal value and initializing set judges signal value greater than threshold values, selects the mode of operation of refrigeration module.If, step 4; If not, step 5.
4. enter the Intelligent refrigeration pattern, open refrigeration module: stop the solar panel energy supply, according to the size of signal value, regulating the voltage that offers refrigeration module can be big or small, control refrigeration intensity.
5. enter energy-conservation refrigeration mode, close refrigeration module: directly utilize solar panel that cooling power is provided.
Claims (1)
1. anti-high-temperature low-pressure switch cubicle, it is mainly divided by inside and outside two van-type chest portion and prevents that the high-temperature control components of system as directed forms; Described inside and outside two van-type chest portion divide mainly by an enclosure and in several railway carriage or compartment form, interior railway carriage or compartment places on the supporting plate of enclosure, and is connected by the cooperation of hanging ring with the load-bearing ring; Described anti-high-temperature control components of system as directed is connected to form successively by temperature measurement module, control module and refrigeration module; Described temperature measurement module is mainly by thermocouple TE, voltage amplifier Z
1, resistance R
1, resistance R
2And resistance R
3Form; Wherein, described thermocouple TE one end is connected to resistance R
1One end, resistance R
1The other end be connected respectively to voltage amplifier Z
1Inverting input and resistance R
2An end, resistance R
2The other end be connected to voltage amplifier Z
1Output, resistance R
3An end be connected to voltage amplifier Z
1In-phase input end, the other end of thermocouple TE, voltage amplifier Z
1Negative power end and resistance R
3Other end ground connection; It is characterized in that, described control module is mainly by A/D converter U
1, single-chip microcomputer U
2, D/A converter U
3, resistance R
4, resistance R
5, variable resistor R
f, capacitor C
1, capacitor C
2, capacitor C
3, electrochemical capacitor C
4, crystal oscillator E
1, diode D
1, voltage amplifier Z
2, K switch, six anti-phase this schmitt trigger H form; Wherein, described A/D converter U
1With D/A converter U
3Respectively by parallel port bus and single-chip microcomputer U
2Connect; Capacitor C
1An end be connected to A/D converter U
1And resistance R
4An end, resistance R
4The other end be connected to A/D converter U
1, capacitor C
1Other end ground connection; The output of six anti-phase this schmitt trigger H meets single-chip microcomputer U
2, the input of six anti-phase this schmitt trigger H is connected respectively to diode D
1Positive pole, electrochemical capacitor C
4Positive pole, an end and the resistance R of K switch
5An end, diode D
1Negative pole, resistance R
5The other end connect power supply, the other end of K switch and electrochemical capacitor C
4Negative pole end ground connection, crystal oscillator E
1Two ends connect respectively capacitor C
1And capacitor C
2An end, capacitor C
1And capacitor C
2Other end ground connection, voltage amplifier Z
2Output termination variable resistor R
fAn end, D/A converter U
3I
O1End is connected to voltage amplifier Z
2Negative input, voltage amplifier Z
2Positive input terminal hold variable resistor R with being connected to
fThe other end be connected to D/A converter U
3R
FBEnd; Described refrigeration module is mainly by triode VT, relay J, diode D
2, solar panel S and several semiconductor chilling plates T form; Wherein, the collector electrode of described triode VT is connected to power supply, and the emitter of triode VT is connected to coil one end of relay J, and the normal-closed end of relay J is connected to diode D
2Negative pole end, the common port of relay J is connected to the end of semiconductor chilling plate T, diode D
2Positive terminal be connected to the positive terminal of solar panel S, the other end of the coil other end of relay J, the negative pole end of solar panel S and semiconductor chilling plate T is ground connection respectively; The voltage amplifier Z of temperature measurement module
1Output and the A/D converter U of control module
1U
IN (+)End links to each other, control module voltage amplifier Z
2Output link to each other with the Chang Kaiduan of the relay J of refrigeration module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105303869A CN102035143B (en) | 2010-11-02 | 2010-11-02 | High-temperature resistant low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105303869A CN102035143B (en) | 2010-11-02 | 2010-11-02 | High-temperature resistant low-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035143A CN102035143A (en) | 2011-04-27 |
| CN102035143B true CN102035143B (en) | 2013-01-09 |
Family
ID=43887665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105303869A Active CN102035143B (en) | 2010-11-02 | 2010-11-02 | High-temperature resistant low-voltage switch cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN102035143B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812027A (en) * | 2014-03-04 | 2014-05-21 | 余姚市电力设备修造厂 | Switch cabinet for power grid optimization |
| CN111220289B (en) * | 2019-12-03 | 2021-01-05 | 安徽工业大学 | Test method for testing internal temperature field of power switch cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236082Y (en) * | 1994-09-29 | 1996-09-25 | 上海绿园燃气保安器厂 | Multi-function gas-range safety protector |
| CN2257627Y (en) * | 1995-09-28 | 1997-07-09 | 抚顺市公用电器设备厂 | Combined low-tension switch cabinet |
| CN101702492A (en) * | 2009-11-11 | 2010-05-05 | 大全电气有限公司 | Wind and water cooling system of switch cabinet |
| CN101825907A (en) * | 2009-12-25 | 2010-09-08 | 上海纳杰电气成套有限公司 | Detection, control and alarm system for in-cabinet temperature of low-voltage switch cabinet |
| CN201860051U (en) * | 2010-11-02 | 2011-06-08 | 浙江大学 | High-temperature-preventive energy-saving environment-friendly low-voltage switch cabinet |
-
2010
- 2010-11-02 CN CN2010105303869A patent/CN102035143B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236082Y (en) * | 1994-09-29 | 1996-09-25 | 上海绿园燃气保安器厂 | Multi-function gas-range safety protector |
| CN2257627Y (en) * | 1995-09-28 | 1997-07-09 | 抚顺市公用电器设备厂 | Combined low-tension switch cabinet |
| CN101702492A (en) * | 2009-11-11 | 2010-05-05 | 大全电气有限公司 | Wind and water cooling system of switch cabinet |
| CN101825907A (en) * | 2009-12-25 | 2010-09-08 | 上海纳杰电气成套有限公司 | Detection, control and alarm system for in-cabinet temperature of low-voltage switch cabinet |
| CN201860051U (en) * | 2010-11-02 | 2011-06-08 | 浙江大学 | High-temperature-preventive energy-saving environment-friendly low-voltage switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035143A (en) | 2011-04-27 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110427 Assignee: Sowei Technology (Hangzhou) Co., Ltd. Assignor: Zhejiang University Contract record no.: 2013330000381 Denomination of invention: High-temperature resistant low-voltage switch cabinet Granted publication date: 20130109 License type: Exclusive License Record date: 20131219 |
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