CN204577928U - Transformer station's indoor fan automatic control equipment - Google Patents
Transformer station's indoor fan automatic control equipment Download PDFInfo
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- CN204577928U CN204577928U CN201520261631.9U CN201520261631U CN204577928U CN 204577928 U CN204577928 U CN 204577928U CN 201520261631 U CN201520261631 U CN 201520261631U CN 204577928 U CN204577928 U CN 204577928U
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- 230000008054 signal transmission Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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Abstract
The utility model relates to a kind of transformer station indoor fan automatic control equipment, comprises temperature sensor; For the PID intelligent temperature controller of design temperature higher limit and lower limit, its input is connected with the output of temperature sensor, and and mounting distance between temperature sensor be not more than 1 meter; For controlling the A.C. contactor of blower fan, the coil of A.C. contactor is electrically connected with the second output of PID intelligent temperature controller, first output of PID intelligent temperature controller is connected with the power supply of A.C. contactor through 220V alternating current, and its three normally opened contacts are serially connected between blower fan and three-phase 380V alternating current.The temperature value that during use, PID intelligent temperature controller gathers according to temperature sensor, exports triggering signal and touches to A.C. contactor, its normally opened contact is closed or disconnects, thus the startup of corresponding blower fan or closedown.Therefore this device can the temperature of automatic substaion indoor, makes its safe operation in working temperature, without the need to his operation artificial.
Description
Technical field
The utility model relates to transformer station's indoor fan control technology field, particularly relates to a kind of transformer station indoor fan automatic control equipment.
Background technology
According to 2000-2008 transformer station indoor generation equipment fault statistics, because the bad temperature of room ventilation is too high, and the equipment fault caused accounts for whole more than 10%.Reflect our artificial switching blower fan to a great extent not prompt enough, not accurate enough problem.Indoor temperature reaches the upper limit of equipment and timely power turn-on switch; so long-time too high, stuffy; easily there is secondary protector mistaking signal and reduce action sensitivity; equipment contact temperature raises; the overheated bulge of capacitor; shorten electrical equipment operation service life, have impact on the stable operation of electric equipment.
The control of current transformer station inner blower mainly relies on manually, and when tour equipment, if find that in station, temperature is too high, tour personnel just manually close the air switch of blower fan, and drop into fan operation, temperature exits the operation of blower fan again after lowering by the time.But existing this artificial switching exists not in time, and the shortcomings such as control hysteresis, are easy to the situation causing transformer station's indoor temperature too high for a long time, make station equipment long-play in high temperature environments, have a strong impact on the safe operation of equipment, even accidents caused.
Utility model content
The purpose of this utility model is to provide a kind of transformer station indoor fan automatic control equipment, this device can gather the temperature of transformer station indoor automatically, and open according to temperature automatic control blower fan or close, make the temperature of transformer station indoor meet job requirement, improve the coefficient of safety of system cloud gray model.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of transformer station indoor fan automatic control equipment comprises the temperature sensor for gathering transformer station's indoor temperature; For setting the PID intelligent temperature controller of transformer station's indoor temperature higher limit and lower limit, the input of described PID intelligent temperature controller is electrically connected with the output of described temperature sensor, the power supply of described PID intelligent temperature controller connects 220V alternating current, described PID intelligent temperature controller also comprises two normally opened contacts, and two described normally opened contacts are defined as the first output and the second output respectively; Mounting distance between described PID intelligent temperature controller and described temperature sensor is not more than 1 meter; For controlling the A.C. contactor that transformer station's indoor fan starts and closes, the coil of described A.C. contactor is electrically connected with described first output of described PID intelligent temperature controller, described second output of described PID intelligent temperature controller is electrically connected through the power end of 220V alternating current with described A.C. contactor, and three normally opened contacts of described A.C. contactor are serially connected between described fan power and three-phase 380V alternating current respectively; The higher limit of the temperature value that described temperature sensor gathers by described PID intelligent temperature controller and lower limit compare, and export according to comparative result and different output signal to described A.C. contactor, control described fan starting or closedown.
Optimal way is, between three described normally opened contacts of described A.C. contactor and described three-phase 380V alternating current also respectively and be connected to three hand switches.
Optimal way is, is serially connected with a single-phase switch between described second output of described PID intelligent temperature controller and described 220V alternating current.
Optimal way is, described PID intelligent temperature controller comprises three inputs, and three described inputs are electrically connected with the output of described temperature sensor through white indicator light, yellow indicator light and red indicator light respectively.
Optimal way is, described PID intelligent temperature controller selects XMTE-7032 intelligent temperature controller.
Optimal way is, described PID intelligent temperature controller and described A.C. contactor are arranged on the wall of described transformer station indoor, and described temperature sensor is arranged on the wall of described A.C. contactor side.
After adopting technique scheme, the beneficial effects of the utility model are: the transformer station's indoor fan automatic control equipment adopted due to the utility model comprises temperature sensor, and the PID intelligent temperature controller be electrically connected with temperature sensor; Wherein temperature sensor does not stop the temperature gathering transformer station indoor, and sends the temperature of collection to PID intelligent temperature controller; This PID intelligent temperature controller can set transformer station's indoor temperature higher limit and lower limit, after receiving the temperature value that temperature sensor transmission comes, itself and presetting higher limit and lower limit is compared.When Indoor Temperature angle value is greater than higher limit, PID intelligent temperature controller is to A.C. contactor triggering signal, make the coil of the A.C. contactor be connected electrically be triggered normally-closed contact close, fan power and three-phase 380V alternating current are linked together, fan starting is to room temperature lowering.After blower fan work a period of time, indoor temperature reduces, and when lower than presetting lower limit, coil three normally opened contacts that PID intelligent temperature controller triggers A.C. contactor again all disconnect, fan power and three-phase 380V alternating current are disconnected, blower fan cuts out and stops to room temperature lowering.From the above, startup and the closedown of blower fan are all have automatic control equipment of the present utility model automatically to complete, and real-time switching can be carried out according to the temperature of transformer station indoor, can lower the temperature in time when indoor temperature is too high time, thus avoid the too high and accidents caused generation of Yin Wendu.Because the utility model completes the switching of blower fan automatically, there is not delayed problem not in time, better relative to artificial switching effect, thus the equipment of transformer station indoor is normally run.
Due between three normally opened contacts of A.C. contactor and three-phase 380V alternating current also respectively and be connected to three hand switches; Enable the utility model manual operation, increase the fail safe that the utility model runs.
Owing to being serially connected with a single-phase switch between the second output of PID intelligent temperature controller and 220V alternating current; This single-phase switch effect with hilted broadsword throw-over switch, increase the utility model run fail safe.
Because PID intelligent temperature controller comprises three inputs, three inputs are electrically connected with the output of described temperature sensor through white indicator light, yellow indicator light and red indicator light respectively; The indicator light of these three kinds of colors indicates the temperature conditions of transformer station indoor respectively, makes temperature visualize.
In sum, transformer station of the present utility model indoor fan automatic control equipment is compared to prior art, the switching solving existing transformer station indoor fan by manually come caused not in time, the technical problem of control hysteresis, transformer station of the present utility model indoor fan automatic control equipment can carry out automatic switching according to the indoor temperature of Real-time Collection, and without the need to manual operation, thus the accident avoided because switching is caused not in time occurs.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model blower fan temperature automatic control;
Fig. 2 is the theory diagram of the utility model temperature controller;
In figure: CJ-A.C. contactor, J1-hand switch, J2-single-phase switch, U1-XMTE-7032 Intelligent temperature controller, U2-temperature sensor, LED1-white indicator light, LED2-yellow indicator light, LED3-red indicator light.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The XMTE-7032 Intelligent temperature controller U1 that the utility model uses is prior art, is not described in detail at this.As shown in Figure 2, the second output that pin one is earth terminal, pin two is power end, pin 3 is power end, pin 6 is, pin 7 are the first output to its each pin, pin one 4 is input, pin one 5 is input, pin one 6 is input.
As depicted in figs. 1 and 2, a kind of transformer station indoor fan automatic control equipment comprises the temperature sensor U2 be located on transformer station's indoor wall, and temperature sensor U2 is used for not stopping to gather transformer station's indoor temperature.The probe acquires of temperature sensor U2, after the temperature of transformer station indoor, is sent to the input of the PID intelligent temperature controller be connected electrically by its output.The PID intelligent temperature controller preferred XMTE-7032 Intelligent temperature controller U1 of the present embodiment, this XMTE-7032 Intelligent temperature controller U1 is prior art, is not described in detail at this.
XMTE-7032 Intelligent temperature controller U1 of the present utility model is arranged on the wall of transformer station indoor, and the mounting distance between XMTE-7032 Intelligent temperature controller U1 and temperature sensor U2 is not more than 1 meter.The power supply of XMTE-7032 Intelligent temperature controller U1 connects the two ends of 220V alternating current respectively, its earth terminal ground connection, its input is electrically connected with the output of temperature sensor U2, XMTE-7032 Intelligent temperature controller U1 comprises two normally opened contacts, two normally opened contacts are defined as first output of XMTE-7032 respectively, second output of XMTE-7032.First output of XMTE-7032 Intelligent temperature controller U1 is electrically connected with the coil of A.C. contactor CJ, and 220V alternating current is connect the power supply of A.C. contactor CJ by the second output.XMTE-7032 Intelligent temperature controller U1 of the present utility model can preset temperature upper limit and the lower limit of transformer station indoor, after it receives the temperature value of temperature sensor U2 input, itself and higher limit and lower limit are compared, exports different triggering signals according to comparative result.
A.C. contactor of the present utility model is arranged on the wall of transformer station indoor, three normally opened contacts of A.C. contactor CJ are serially connected between fan power and three-phase 380 alternating current, when after the signal triggering that the coil of A.C. contactor CJ is inputted by XMTE-7032 Intelligent temperature controller U1, its three normally opened contact actions close, fan power and three-phase 380V alternating current are linked together, even if fan starting work is to transformer station's room temperature lowering.When after blower fan work a period of time, transformer station's indoor temperature reduces, during lower than lower limit, XMTE-7032 Intelligent temperature controller U1 triggers the coil of A.C. contactor CJ again, its three normally-closed contacts are disconnected, and fan power and three-phase 380V alternating current disconnect, and stop as transformer station's room temperature lowering.
Going back between the A.C. contactor CJ of the present embodiment and three-phase 380V alternating current and be connected to three hand switch J1, making the utility model also by manually receiving operation, the fail safe that equipment runs can be further increased.
Be serially connected with a single-phase switch J2 between second output of the XMTE-7032 Intelligent temperature controller U1 of the present embodiment and 220V alternating current, single-phase switch J2 effect with hilted broadsword throw-over switch, increase the utility model run fail safe.
In order to make the temperature visualize of transformer station indoor, three inputs of the present embodiment XMTE-7032 Intelligent temperature controller U1 are electrically connected with the output of temperature sensor U2 through white indicator light LED1, yellow indicator light LED2 and red indicator light LED3 respectively, when indoor temperature too lowest temperature value time, white indicator light LED1 is bright, when indoor temperature is higher than temperature upper limit, red indicator light LED3 is bright, and when indoor temperature is working temperature, yellow indicator light LED2 is bright.
During the broiling summer, hot weather makes transformer station's indoor temperature high, after using the utility model, can solve the high temperature caused summer, and SF6 equipment can also be made to be vented.Presetting of XMTE-7032 Intelligent temperature controller U1 temperature upper limit and lower limit, the maximum allowable temperature normally can run according to various kinds of equipment, set temperature value.Temperature sensor U2 does not stop the temperature gathering transformer station indoor, and when temperature is in working temperature, temperature sensor U2 is through yellow indicator light LED2 signal transmission to XMTE-7032 Intelligent temperature controller U1, and yellow indicator light LED2 is lit.When the temperature value that temperature sensor U2 collects indoor is too high, it is through red indicator light LED3 signal transmission to XMTE-7032 Intelligent temperature controller U1, and red indicator light LED3 lights.The temperature value of reception and the higher limit preset compare by XMTE-7032 Intelligent temperature controller U1, during higher than higher limit, its second output exports and triggers the signal of telecommunication to the coil of A.C. contactor CJ, three normally opened contacts of A.C. contactor CJ are closed, fan power and three-phase 380V alternating current are linked together, makes blower fan be energized startup work to transformer station's room temperature lowering.When after fan operation a period of time, the temperature of transformer station indoor is down in working temperature, and the red indicator light LED3 yellow indicator light LED2 that goes out is lit.After blower fan continuous firing, the temperature value that temperature sensor U2 collects, XMTE-7032 Intelligent temperature controller U1 is transferred to through white indicator light LED1, white indicator light LED1 is lit, the lower value received and the lower limit preset compare by XMTE-7032 Intelligent temperature controller U1, when lower than the lower limit preset, its the second output triggers the coil of A.C. contactor CJ again, three normally opened contacts of A.C. contactor CJ disconnect, fan power and three-phase 380V alternating current are disconnected, blower fan is disconnected and quits work.
The utility model is by measuring the higher limit of design temperature and lower limit, control the switching of blower fan, and existing manual switching blower fan cannot reach the ventilation state of indoor equipment the best, the utility model can realize the function of automatic switching to blower fan according to the temperature of transformer station indoor, switching is proper for opportunity, and accuracy rate is high, thoroughly solves long-time temperature too high, ventilate not in time, avoid the phenomenons such as equipment operation exception.Therefore the utility model according to the temperature of transformer station indoor, can control fan starting or disconnects to adjust temperature, allow equipment normally run, thus avoid the generation of peril automatically, and without the need to manual operation.
The above preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, etc. the improvement etc. of same transformer station indoor fan automatic control equipment body structure, all should be included within protection range of the present utility model.
Claims (6)
1. transformer station's indoor fan automatic control equipment, is characterized in that, comprises
For gathering the temperature sensor of transformer station's indoor temperature;
For setting the PID intelligent temperature controller of transformer station's indoor temperature higher limit and lower limit, the input of described PID intelligent temperature controller is electrically connected with the output of described temperature sensor, the power supply of described PID intelligent temperature controller connects 220V alternating current, described PID intelligent temperature controller also comprises two normally opened contacts, and two described normally opened contacts are defined as the first output and the second output respectively; Mounting distance between described PID intelligent temperature controller and described temperature sensor is not more than 1 meter;
For controlling the A.C. contactor that transformer station's indoor fan starts and closes, the coil of described A.C. contactor is electrically connected with described first output of described PID intelligent temperature controller, described second output of described PID intelligent temperature controller is electrically connected through the power end of 220V alternating current with described A.C. contactor, and three normally opened contacts of described A.C. contactor are serially connected between described fan power and three-phase 380V alternating current respectively; The higher limit of the temperature value that described temperature sensor gathers by described PID intelligent temperature controller and lower limit compare, and export according to comparative result and different output signal to described A.C. contactor, control described fan starting or closedown.
2. transformer station according to claim 1 indoor fan automatic control equipment, is characterized in that, between three described normally opened contacts of described A.C. contactor and described three-phase 380V alternating current also respectively and be connected to three hand switches.
3. transformer station according to claim 1 indoor fan automatic control equipment, is characterized in that, is serially connected with a single-phase switch between described second output of described PID intelligent temperature controller and described 220V alternating current.
4. transformer station according to claim 1 indoor fan automatic control equipment, it is characterized in that, described PID intelligent temperature controller comprises three inputs, and three described inputs are electrically connected with the output of described temperature sensor through white indicator light, yellow indicator light and red indicator light respectively.
5. the transformer station's indoor fan automatic control equipment according to any one of Claims 1-4, is characterized in that, described PID intelligent temperature controller selects XMTE-7032 intelligent temperature controller.
6. transformer station according to claim 5 indoor fan automatic control equipment, it is characterized in that, described PID intelligent temperature controller and described A.C. contactor are arranged on the wall of described transformer station indoor, and described temperature sensor is arranged on the wall of described A.C. contactor side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261631.9U CN204577928U (en) | 2015-04-27 | 2015-04-27 | Transformer station's indoor fan automatic control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261631.9U CN204577928U (en) | 2015-04-27 | 2015-04-27 | Transformer station's indoor fan automatic control equipment |
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| Publication Number | Publication Date |
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| CN204577928U true CN204577928U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520261631.9U Expired - Fee Related CN204577928U (en) | 2015-04-27 | 2015-04-27 | Transformer station's indoor fan automatic control equipment |
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| CN (1) | CN204577928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242708A (en) * | 2015-10-29 | 2016-01-13 | 湖南金化科技集团有限公司 | Switchgear room air-cooled control circuit |
| CN113418219A (en) * | 2021-06-24 | 2021-09-21 | 江阴沃特玛节能技术有限公司 | Energy-saving management system |
-
2015
- 2015-04-27 CN CN201520261631.9U patent/CN204577928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242708A (en) * | 2015-10-29 | 2016-01-13 | 湖南金化科技集团有限公司 | Switchgear room air-cooled control circuit |
| CN113418219A (en) * | 2021-06-24 | 2021-09-21 | 江阴沃特玛节能技术有限公司 | Energy-saving management system |
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| 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: 20150819 Termination date: 20170427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |