CN205453149U - Uneven compensation arrangement of change is joined in marriage to low pressure - Google Patents
Uneven compensation arrangement of change is joined in marriage to low pressure Download PDFInfo
- Publication number
- CN205453149U CN205453149U CN201620241319.8U CN201620241319U CN205453149U CN 205453149 U CN205453149 U CN 205453149U CN 201620241319 U CN201620241319 U CN 201620241319U CN 205453149 U CN205453149 U CN 205453149U
- Authority
- CN
- China
- Prior art keywords
- electric fan
- casing
- temperature
- time
- comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an uneven compensation arrangement of change is joined in marriage to low pressure aims at providing the uneven compensation arrangement of change is joined in marriage to low pressure that can reduce electrical loss and effective cooling, has solved the electric fan among the compensation arrangement and has worked for a long time, and the higher problem of consumption, its technical scheme main points are including the casing, set up be used for the electric fan of cooling in the casing, be provided with in the casing temperature sensor that is used for detecting the inside temperature of casing, with temperature sensor be connected and receive its output signal the comparator, be used for providing reference voltage the benchmark unit, be connected and be used for controlling the electric fan with the output of comparator and open the switch element that stops, the switch element is used for the power return circuit that the electric fan was turn -offed in the time delay, reached can ensure effectively to reduce the casing in the temperature effectively reduce to it is more even to cool down, avoids appearing regional hypothermia's the condition.
Description
Technical field
This utility model relates to power distribution equipment technical field, particularly to low-voltage distribution transformer imbalance compensation device.
Background technology
Low-voltage distribution transformer imbalance compensation device uses Real-time Data Acquisition Technology and Dynamic Tracing Technology, constantly monitoring electrical network and the voltage of system, electric current, idle, uneven to electrical network carries out quick continuous print compensation adjustment, the quality of power supply of electrical network can be significantly improved, improve power factor, administer three-phase imbalance, elimination voltage flicker and voltage pulsation, suppression harmonic pollution etc..
Function main in existing product realizes the most, but the operational effect for a product is certain each different, found by retrieval, open (bulletin) number is the Chinese patent of CN203491704U, a kind of low-voltage intelligent reactive power automatic compensation device, including CPU, control module, electric fan, Switching Power Supply, switch with knifeshaped fuse and reactive power compensator；Described CPU is connected with control module；Described control module is connected with electric fan；Described control module is connected with reactive power compensator by detection signaling interface and reactive-load compensation interface；Described CPU is connected with voltage sample module and current sample module by A/D modular converter；Described voltage sample module is all connected with major loop with current sample module；The described reactive power compensator fuse cutout that was connected is connected with major loop；Described Switching Power Supply is connected with major loop.This compensation device arranges electric fan and dispels the heat, but owing to equipment running process not being be chronically at a condition of high temperature, and, if electric fan is constantly in running status, the use electrical power consumed of this device can be increased, further, it is not required to lower the temperature, if so for reducing the power consumption of this device and the place that fast cooling is worth improvement can be realized the when of the upper limit that temperature do not reached lower the temperature.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of low-voltage distribution transformer imbalance compensation device that can reduce electrical loss effective temperature-reducing.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of low-voltage distribution transformer imbalance compensation device, including casing, it is arranged in casing in order to the electric fan lowered the temperature, it is provided with in described casing that the temperature sensor detecting casing internal temperature is connected and receives the comparator of its output signal with temperature sensor, the outfan of reference cell with comparator in order to provide reference voltage is connected and in order to control the switch element of electric fan start and stop, described switch element is in order to the electric power loop of time delayed turn-off electric fan.
By above-mentioned setting, the equipment of casing internal can be lowered the temperature during starting by electric fan, the detection collection of ambient temperature is carried out by temperature sensor, by comparator, temperature threshold is judged, ambient temperature is made just to make electric fan start the when of arriving the upper threshold needing cooling, thus unnecessary startup fan for cooling when, stop the power supply to electric fan, and then in portion of time, reduce the use of electric fan, such that it is able to reduction power consumption, on the other hand, in order to improve the rapidity of cooling, thus use switch element, by the time delayed turn-off function of switch element, the electric fan working time is extended, so that it is guaranteed that temperature effectively reduces.
Can be preferably as concrete scheme of the present utility model: described reference cell includes that potentiometer and divider resistance, described divider resistance and potentiometer are series between power supply and earth terminal, the adjustable side of described potentiometer connects the end of oppisite phase of comparator.
By above-mentioned setting, form the adjustable reference cell of voltage by potentiometer and divider resistance, such that it is able to provide adjustable voltage signal to comparator, and then be easy to control the higher limit that temperature sets.
Can be preferably as concrete scheme of the present utility model: described switch element includes audion, time-delay relay and fly-wheel diode；The base stage of described audion connects the outfan of comparator, and colelctor electrode connects coil one end of time-delay relay, grounded emitter；Described fly-wheel diode inverse parallel in time-delay relay coil on hand, the other end of the coil of time-delay relay connects power supply；The normally opened contact of time-delay relay is series on the current supply circuit of electric fan.
By above-mentioned setting; switch element uses time-delay relay; such that it is able to improve the security performance of circuit; its switch contact can be played the effect that a time delay disconnects by time-delay relay; so that circuit can effectively work; and may insure that electric fan can be shut down after many continuous firings a period of time again, so that the temperature of casing internal can effectively reduce.
Can be preferably as concrete scheme of the present utility model: the sidewall of described casing is provided with slide rail, described electric fan slides and arranges with on this slide rail, and the bottom of described electric fan is provided with the telescopic cylinder driving it to move up and down.
By above-mentioned setting, an effective change can be played in the position of electric fan blowing cooling by slide rail, and electric fan can carry out the movement of about by telescopic cylinder, thus change the scope of blowing, the most small-sized, the electric fan of low power consumption can be used, reach large area blowing, a quick effect of lowering the temperature.
Can be preferably as concrete scheme of the present utility model: described casing is provided with air outlet, described air outlet arranges the top with casing.
By above-mentioned setting, in order to allow the hot-air of inside effectively get rid of outside casing, so arranging air outlet at the top of casing, hot blast can effectively be got rid of, and utilize high temperature air to rise, the principle that Cryogenic air declines, is arranged on air outlet top, and then can more quickly play the effect of cooling.
Can be preferably as concrete scheme of the present utility model: described slide rail is "T"-shaped slide rail or dove-tail.
By above-mentioned setting, owing to electric fan needs to move on slide rail frequently, it is effectively improved accordingly, it would be desirable to the stability of slide rail is carried out one, use "T"-shaped slide rail can increase the tight shape that slide rail coordinates with electric fan, prevent electric fan from coming off from slide rail.Equally using dove-tail, benefit can save material exactly, uses dovetail groove to connect more firm, in mechanical relative motion, improves kinematic accuracy and stability.Dovetail groove often and trapezoidal rails with the use of, be guiding and supporting role.
In sum, this utility model has the advantages that and stops the work of electric fan in the case of temperature is the highest by the detection of temperature in casing is controlled electric fan, reduce the loss of power, and during can dropping at temperature, can be with the work of time delay a period of time stopping electric fan, can ensure that in effectively reducing casing, temperature effectively reduces, and it is more uniform to lower the temperature, it is to avoid the situation of local cooling occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the circuit theory diagrams of the present embodiment；
Fig. 3 is the schematic plan view of the present embodiment；
Fig. 4 is the cross sectional representation of the slide rail of the present embodiment.
In figure 1, casing；2, electric fan；3, temperature sensor；4, reference cell；Rp1, potentiometer；R2, divider resistance；5, switch element；6, slide rail；7, telescopic cylinder；8, air outlet；Q1, audion；KT, time-delay relay；D1, fly-wheel diode.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment 1: a kind of low-voltage distribution transformer imbalance compensation device, as shown in Figure 1, 2, including casing 1, it is arranged in casing 1 in order to the electric fan 2 lowered the temperature, it is provided with the temperature sensor 3 detecting casing 1 internal temperature in casing 1 and is connected and receives the comparator of its output signal with temperature sensor 3, in order to provide the reference cell 4 of reference voltage to be connected with the outfan of comparator and in order to control the switch element 5 of electric fan 2 start and stop, switch element 5 is in order to the electric power loop of time delayed turn-off electric fan 2.Temperature sensor 3 uses positive temperature coefficient sensor, rising along with temperature, the analogue signal of its sensor output also increases, it is in direct ratio relevant to the temperature of detection, and temperature sensor 3 is arranged on the door of casing 1, casing 1 has before and after two and fans door, is provided with a lot of electrical component in the inside of casing 1, work process can produce more heat, need electric fan 2 to lower the temperature.It is further opened with the through hole ventilated in the bottom of casing 1, promotes air circulation, and cooling efficiency can be effectively improved.
As in figure 2 it is shown, reference cell 4 includes that potentiometer Rp1 and divider resistance R2, divider resistance R2 and potentiometer Rp1 are series between power supply and earth terminal, the adjustable side of potentiometer Rp1 connects the end of oppisite phase of comparator.Switch element 5 includes audion Q1, time-delay relay KT and sustained diode 1；The base stage of audion Q1 connects the outfan of comparator, and colelctor electrode connects coil one end of time-delay relay KT, grounded emitter；Sustained diode 1 inverse parallel in time-delay relay KT coil on hand, the other end of the coil of time-delay relay KT connects power supply；The normally opened contact of time-delay relay KT is series on the current supply circuit of electric fan 2.
Work process is: the analogue signal of temperature sensor 3 output is voltage analog signal, carry out comparing with the voltage signal of reference cell 4 output by comparator, when temperature is higher when, the when of the magnitude of voltage that the magnitude of voltage of voltage analog signal exports more than reference cell 4, comparator output high level, so that audion Q1 conducting, then the coil allowing time-delay relay KT obtains electric, so that the closing of contact of relay, electric fan 2 is made to connect voltage and start working, until temperature reduces, such that it is able to stop the work of electric fan 2.The when that this circuit being particularly well-suited to exchange the season such as winter and season in summer, or some day temperature rises the when of suddenly fall suddenly.Can there is no need to play electric fan 2 in the environment that temperature is relatively low blow with effectively save electric energy.
Be can see that the equipment within casing 1 can be lowered the temperature during starting by electric fan 2 by said structure, the detection collection of ambient temperature is carried out by temperature sensor 3, by comparator, temperature threshold is judged, ambient temperature is made just to make electric fan 2 start the when of arriving the upper threshold needing cooling, thus unnecessary startup fan for cooling when, stop the power supply to electric fan 2, and then in portion of time, reduce the use of electric fan 2, such that it is able to reduction power consumption, on the other hand, in order to improve the rapidity of cooling, thus use switch element 5, by the time delayed turn-off function of switch element 5, electric fan 2 working time is extended, so that it is guaranteed that temperature effectively reduces.Form the adjustable reference cell of voltage 4 by potentiometer Rp1 and divider resistance R2, such that it is able to provide adjustable voltage signal to comparator, and then be easy to control the higher limit that temperature sets.Switch element 5 uses time-delay relay KT; such that it is able to improve the security performance of circuit; its switch contact can be played the effect that a time delay disconnects by time-delay relay KT; so that circuit can effectively work; and may insure that electric fan 2 can be shut down after many continuous firings a period of time again, so that the temperature within casing 1 can effectively reduce.
Embodiment 2: include embodiment 1, as it is shown on figure 3, low-voltage distribution transformer imbalance compensation device, the sidewall of its casing 1 is provided with slide rail 6, and electric fan 2 slides and arranges with on this slide rail 6, and the bottom of electric fan 2 is provided with the telescopic cylinder 7 driving it to move up and down.Casing 1 is provided with air outlet 8, and air outlet 8 arranges the top with casing 1.The blowing direction of electric fan 2 as indicated by the arrows in fig. 3, and, it should be apparent that the flow direction of air from arrow, by electric fan 2, hot-air can be got rid of casing 1.
An effective change can be played in the position of electric fan 2 blowing cooling by slide rail 6, and electric fan 2 can carry out the movement of about by telescopic cylinder 7, thus change the scope of blowing, electric fan 2 the most small-sized, low power consumption can be used, reach large area blowing, a quick effect of lowering the temperature.In order to the hot-air of inside can effectively be got rid of outside casing 1, so arranging air outlet 8 at the top of casing 1, hot blast can effectively be got rid of, and utilize high temperature air to rise, the principle that Cryogenic air declines, air outlet 8 is arranged on top, and then can more quickly play the effect of cooling.
As shown in Figure 4, slide rail 6 is "T"-shaped or dove-tail.In Fig. 4, a figure is "T"-shaped slide rail 6, b figure is dovetail groove slide rail 6, owing to electric fan 2 needs to move on slide rail 6 frequently, therefore, need that the stability of slide rail 6 is carried out one to be effectively improved, use "T"-shaped slide rail 6 can increase the tight shape that slide rail 6 coordinates with electric fan 2, prevent electric fan 2 from coming off from slide rail 6.Equally using dove-tail, benefit can save material exactly, uses dovetail groove to connect more firm, in mechanical relative motion, improves kinematic accuracy and stability.Dovetail groove often and trapezoidal rails with the use of, be guiding and supporting role.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Claims (6)
1. a low-voltage distribution transformer imbalance compensation device, including casing (1), it is arranged at casing (1) interior in order to the electric fan (2) lowered the temperature, it is characterized in that: in described casing (1), be provided with to detect the temperature sensor (3) of casing (1) internal temperature, it is connected with temperature sensor (3) and receives the comparator of its output signal, in order to provide the reference cell (4) of reference voltage, it is connected with the outfan of comparator and in order to control the switch element (5) of electric fan (2) start and stop, described switch element (5) is in order to the electric power loop of time delayed turn-off electric fan (2).
Low-voltage distribution transformer imbalance compensation device the most according to claim 1, it is characterized in that: described reference cell (4) includes potentiometer (Rp1) and divider resistance (R2), described divider resistance (R2) and potentiometer (Rp1) are series between power supply and earth terminal, and the adjustable side of described potentiometer (Rp1) connects the end of oppisite phase of comparator.
Low-voltage distribution transformer imbalance compensation device the most according to claim 1, it is characterised in that: described switch element (5) includes audion (Q1), time-delay relay (KT) and fly-wheel diode (D1)；The base stage of described audion (Q1) connects the outfan of comparator, and colelctor electrode connects coil one end of time-delay relay (KT), grounded emitter；Described fly-wheel diode (D1) inverse parallel in time-delay relay (KT) coil on hand, the other end of the coil of time-delay relay (KT) connects power supply；The normally opened contact of time-delay relay (KT) is series on the current supply circuit of electric fan (2).
Low-voltage distribution transformer imbalance compensation device the most according to claim 1, it is characterized in that: the sidewall of described casing (1) is provided with slide rail (6), described electric fan (2) slides and arranges with on this slide rail (6), and the bottom of described electric fan (2) is provided with the telescopic cylinder (7) driving it to move up and down.
Low-voltage distribution transformer imbalance compensation device the most according to claim 4, it is characterised in that: described casing (1) is provided with air outlet (8), and described air outlet (8) arranges the top with casing (1).
Low-voltage distribution transformer imbalance compensation device the most according to claim 5, it is characterised in that: described slide rail (6) is "T"-shaped or dove-tail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241319.8U CN205453149U (en) | 2016-03-25 | 2016-03-25 | Uneven compensation arrangement of change is joined in marriage to low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241319.8U CN205453149U (en) | 2016-03-25 | 2016-03-25 | Uneven compensation arrangement of change is joined in marriage to low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453149U true CN205453149U (en) | 2016-08-10 |
Family
ID=56575282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620241319.8U Active CN205453149U (en) | 2016-03-25 | 2016-03-25 | Uneven compensation arrangement of change is joined in marriage to low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306293A (en) * | 2018-01-18 | 2018-07-20 | 浙江日业电力科技有限公司 | Low-voltage electric energy quality controlling device |
| CN110242609A (en) * | 2019-07-12 | 2019-09-17 | 天津市天鼓机械制造有限公司 | Magnetic suspension air blower temperature control device |
-
2016
- 2016-03-25 CN CN201620241319.8U patent/CN205453149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306293A (en) * | 2018-01-18 | 2018-07-20 | 浙江日业电力科技有限公司 | Low-voltage electric energy quality controlling device |
| CN110242609A (en) * | 2019-07-12 | 2019-09-17 | 天津市天鼓机械制造有限公司 | Magnetic suspension air blower temperature control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204615213U (en) | A kind of dust-proof constant temperature power distribution cabinet | |
| CN205453149U (en) | Uneven compensation arrangement of change is joined in marriage to low pressure | |
| CN203243639U (en) | Improved structure of outdoor electronic equipment cabinet | |
| CN211046177U (en) | Intelligent box-type substation based on internet technology | |
| CN204651721U (en) | Energy-saving constant-temperature low-tension switch cabinet | |
| CN202032705U (en) | Novel intelligent ground source heat pump control system | |
| CN205841285U (en) | A kind of fan speed regulation control circuit | |
| CN202494768U (en) | Power supply aging energy-saving system based on electric energy feedback | |
| CN204732855U (en) | A kind of motor over-temperature controller | |
| CN203415867U (en) | Novel frequency conversion power control cabinet | |
| CN203260922U (en) | High/middle-voltage switch cabinet with intelligent temperature control device | |
| CN205561056U (en) | Humidistat | |
| CN203550096U (en) | Intelligent energy-saving system of communication base station | |
| CN209215970U (en) | A kind of intelligent control type constant temperature and humidity frequency-charger cabinet | |
| CN209169700U (en) | A kind of low-voltage distribution cabinet water level protective device | |
| CN207098413U (en) | A kind of box-type substation ventilation of transformer room structure | |
| CN204302831U (en) | A kind of alopecia areata cooler automatic switching device | |
| CN202673734U (en) | Control circuit for wide-range cooling fan | |
| CN204464816U (en) | A kind of novel electric power power distribution cabinet | |
| CN204787073U (en) | Air conditioner continuously uses electricity -saving appliance | |
| CN112993814A (en) | Electric power measurement cabinet ventilation unit | |
| CN205160084U (en) | Idle dispersed compensation arrangement of low pressure | |
| CN203717402U (en) | Direct-current low-voltage intelligent temperature and humidity control fan | |
| CN204497534U (en) | Power shovel automobile-used high-low pressure collector ring dehydrating unit under hygrothermal environment | |
| CN202210226U (en) | Transformer cooling and energy-saving control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |