CN220107219U - Distribution distributor for miniature transformer station - Google Patents
Distribution distributor for miniature transformer station Download PDFInfo
- Publication number
- CN220107219U CN220107219U CN202320926377.4U CN202320926377U CN220107219U CN 220107219 U CN220107219 U CN 220107219U CN 202320926377 U CN202320926377 U CN 202320926377U CN 220107219 U CN220107219 U CN 220107219U
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- electrically connected
- controller
- transformer
- box
- miniature
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- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 230000009466 transformation Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001629 suppression Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a distribution device of a miniature transformer station, which is characterized in that an environment acquisition device is arranged to acquire a temperature value and a humidity value in a transformer box in real time, and a controller is used for controlling the rotating speed of ventilation equipment and the start and stop of a dehumidifying device according to the temperature value and the humidity value acquired by the environment acquisition device. And when the temperature value is detected to be higher than the set value, controlling the ventilation equipment to increase the rotating speed, and when the temperature value is detected to be lower than the set value, controlling the ventilation equipment to decrease the rotating speed. When the humidity value is detected to be higher than the set value, the dehumidification equipment is controlled to be started, so that the inside of the transformer box is always in a proper temperature and humidity environment. By adopting the control mode, the ventilation equipment and the dehumidifying device can be adjusted according to the change of external conditions, so that energy sources are saved, and equipment loss is reduced.
Description
Technical Field
The utility model relates to the technical field of substations, in particular to a distribution device of a small-sized transformer station.
Background
The continuous rise of urban electricity consumption, the shortage of land resources, and the demand for miniaturization of distribution stations (rooms) and distribution equipment are becoming more urgent. The miniature transformer station has the advantages of modularized design, simple structure, minimum occupied area, safety, reliability and high reliability, and diversified appearance forms can be coordinated with the surrounding environment. The method is suitable for modern urban crowded road sections and relatively narrow spaces.
Because the transformer substation can produce a large amount of heat when working, influence its running stability and life, so need dispel the heat to the inside transformer substation through ventilation equipment. Correspondingly, due to the arrangement of the ventilation equipment, the transformer substation generates gas convection with the external environment, and the humidity inside the transformer substation is also influenced by the external environment. In the traditional scheme, a fan and a dehumidifier are installed in a transformer substation, and the temperature and the humidity inside the transformer substation are adjusted. However, the miniature transformer station is basically unattended, the output power of the fan and the dehumidifier is operated according to a set mode, and cannot be adjusted according to the change of external conditions, so that energy waste is caused.
Disclosure of Invention
Based on the above, it is necessary to provide a small-sized substation distribution device aiming at the problem that energy waste is caused by that in the transformer substation with the traditional scheme, the output power of a fan and a dehumidifier is operated according to a set mode and cannot be adjusted according to the change of external conditions.
The utility model provides a distribution device of a miniature transformer station, which comprises: the transformer box is internally provided with a transformer, a high-voltage chamber and a low-voltage chamber, and is provided with a plurality of box doors;
the environment acquisition device is arranged in the power transformation box and is used for acquiring the temperature value and the humidity value in the power transformation box at least in real time;
the ventilation equipment is fixedly arranged in the power transformation box and used for exchanging the temperature inside the power transformation box with the external environment;
the dehumidifying devices are arranged inside the power transformation box;
the environment acquisition device, the ventilation equipment and the dehumidifying device are respectively and electrically connected to the controller, and the controller is used for controlling the rotating speed of the ventilation equipment and the start and stop of the dehumidifying device according to the temperature value and the humidity value acquired by the environment acquisition device;
the display is fixedly arranged on the box door and is electrically connected to the controller and used for displaying parameter information;
and the communication device is electrically connected to the controller and used for forming data interaction with an external monitoring terminal.
The utility model relates to a distribution device of a miniature transformer station, which is characterized in that an environment acquisition device is arranged to acquire a temperature value and a humidity value in a transformer box in real time, and a controller is used for controlling the rotating speed of ventilation equipment and the start and stop of a dehumidifying device according to the temperature value and the humidity value acquired by the environment acquisition device. And when the temperature value is detected to be higher than the set value, controlling the ventilation equipment to increase the rotating speed, and when the temperature value is detected to be lower than the set value, controlling the ventilation equipment to decrease the rotating speed. When the humidity value is detected to be higher than the set value, the dehumidification equipment is controlled to be started, so that the inside of the transformer box is always in a proper temperature and humidity environment. By adopting the control mode, the ventilation equipment and the dehumidifying device can be adjusted according to the change of external conditions, so that energy sources are saved, and equipment loss is reduced.
Drawings
Fig. 1 is a perspective view of a distribution unit of a miniature transformer station according to an embodiment of the present utility model.
Fig. 2 is a frame diagram of a miniature transformer station distribution device and a monitoring terminal in cooperation according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a part of a middle transformer box of a small-sized transformer station distribution device according to an embodiment of the present utility model.
Reference numerals:
100. a small-sized transformer station distribution device; 110. a transformer box; 111. a housing; 111a, an air inlet;
112. an inner case; 110a, an intermediate chamber; 113. a filter screen; 114. a baffle; 120. an environment collection device;
131. a ventilation device; 132. a dehumidifying device; 133. a controller; 134. a display;
135. a communication device; 136. a draining pump; 137. a liquid level sensor; 141. a smoke sensor;
142. a gas fire suppression system; 115. a transformer; 116. a low voltage bus; 117. a first circuit breaker;
118. a second circuit breaker; 151. an arc sensor; 152. a current sensor;
153. an arc expansion module; 200. and monitoring the terminal.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a small-sized substation power distribution and distribution device 100.
As shown in fig. 1 and 2, in an embodiment of the present utility model, the miniature substation power distribution device 100 includes a power transformation box 110, an environment collection device 120, a ventilation device 131, a dehumidification device 132, a controller 133, a display 134, and a communication device 135.
Specifically, the transformer 115, the high-voltage chamber and the low-voltage chamber are provided inside the transformer box 110, and the transformer box 110 is provided with a plurality of box doors. The environment collection device 120 is disposed inside the power transformation box 110, and is configured to collect at least a temperature value and a humidity value inside the power transformation box 110 in real time. The ventilation device 131 is provided with a plurality of ventilation devices, and is fixedly arranged in the power transformation box 110, so that the temperature inside the power transformation box 110 is exchanged with the external environment. Specifically, the ventilation device 131 employs a fan that rotates to blow air into the transformer tank 110. The dehumidifying device 132 is provided in plurality and is disposed inside the transformer box 110.
The environment collection device 120, the ventilation device 131 and the dehumidification device 132 are respectively and electrically connected to the controller 133, and the controller 133 is an MCU and is configured to control the rotation speed of the ventilation device 131 and the start and stop of the dehumidification device 132 according to the temperature value and the humidity value collected by the environment collection device 120. Specifically, the controller 133 outputs PWM signals of different duty ratios according to the temperature value acquired by the environment acquisition device 120, thereby realizing adjustment of the rotational speed of the ventilation device 131.
The display 134 is fixedly disposed on the door, and the display 134 is electrically connected to the controller 133 for displaying parameter information. The parameter information comprises a switch state, voltage, current, temperature and humidity and the like. The communication device 135 is electrically connected to the controller 133, and is used for forming data interaction with the external monitor terminal 200. The controller 133 transmits the acquired environmental data and data such as the status of the equipment to the monitor terminal 200 through the communication device 135.
In this embodiment, by setting the environment collection device 120 to collect the temperature value and the humidity value inside the transformer substation 110 in real time, the controller controls the rotation speed of the ventilation device 131 and the start and stop of the dehumidification device 132 according to the temperature value and the humidity value collected by the environment collection device 120. The ventilating device 131 is controlled to increase the rotation speed when the temperature value is detected to be higher than the set value, and the ventilating device 131 is controlled to decrease the rotation speed when the temperature value is detected to be lower than the set value. When the humidity value is detected to be higher than the set value, the dehumidification equipment is controlled to be started, so that the inside of the transformer box 110 is always in a proper temperature and humidity environment. By adopting the control mode, the ventilation equipment 131 and the dehumidifying device 132 can be adjusted according to the change of external conditions, so that energy sources are saved, and equipment loss is reduced.
Specifically, the communication device 135 includes one or more of a WIFI module, a bluetooth module, a ZigBee module, and a GPRS communication module.
In one embodiment of the present utility model, the environmental collection device 120 includes a temperature sensor and a humidity sensor. Specifically, the temperature sensor and the humidity sensor are respectively provided with a plurality of temperature sensors and humidity sensors, and the transformer 115 installation chamber, the high-pressure chamber and the low-pressure chamber are respectively provided with a temperature sensor and a humidity sensor, so that more accurate temperature and humidity values are obtained.
As shown in fig. 1 and 3, in an embodiment of the present utility model, the transformation box 110 includes an outer case 111 and an inner case 112 with a space therebetween to form an intermediate chamber 110a. The housing 111 is provided with an air inlet 111a to form communication between the middle cavity 110a and the external environment, and the air inlet 111a is fixedly provided with a filter screen 113. The ventilation device 131 is fixedly disposed on the inner housing 112 to form a communication between the middle chamber 110a and the inner space of the inner housing 112, and the height of the ventilation device 131 is higher than that of the air inlet 111a.
In this embodiment, by setting the transformer box 110 to be of a double-layer structure, and the height of the ventilation device 131 is higher than that of the air inlet 111a, when the ventilation device 131 works, external air enters the middle cavity 110a from the air inlet 111a, and after buffering and decelerating in the middle cavity 110a, the external air enters the inner space of the inner shell 112 through the ventilation device 131, so as to avoid damage to electrical elements caused by direct suction of external rainwater into the inner space of the inner shell 112.
As shown in fig. 3, in an embodiment of the present utility model, the transformer box 110 further includes a baffle 114, and the baffle 114 is fixed to the outer case 111 or the inner case 112 and is located between the air inlet 111a and the ventilation device 131. The width of the baffle 114 is smaller than the width of the intermediate chamber 110a.
In this embodiment, by providing the baffle 114, the air flow entering from the air inlet 111a is prevented from directly flowing to the ventilation device 131, thereby playing a role of turbulence.
In one embodiment of the present utility model, as shown in fig. 3, the baffle 114 is provided in an arc shape, and one end is fixed to the top of the air inlet 111a and is disposed to be inclined with respect to the inner wall of the housing 111.
In this embodiment, the baffle 114 is fixed to the top of the air inlet 111a and is disposed in an arc shape obliquely downward, so that the air flow entering from the air inlet 111a is guided to the bottom of the middle chamber 110a, and the rainwater entrained in the air flow can be fully deposited in the middle chamber 110a.
As shown in fig. 2 and 3, in an embodiment of the present utility model, the miniature substation power distribution device 100 further comprises a drain pump 136 and a level sensor 137.
Specifically, the drain pump 136 is electrically connected to the controller 133, and the drain pump 136 water inlet communicates with the bottom of the intermediate chamber 110a. A liquid level sensor 137 is fixed to the inner housing 112, and the liquid level sensor 137 is electrically connected to the controller 133 for measuring the liquid level in the intermediate chamber 110a.
In this embodiment, the liquid level in the intermediate chamber 110a is measured by providing a liquid level sensor 137, and the drain pump 136 is feedback controlled to drain the accumulated water in the intermediate chamber 110a.
As shown in fig. 2, in one embodiment of the utility model, the environmental collection device 120 further includes a smoke sensor 141 and a gas fire suppression system 142.
Specifically, a smoke sensor 141 is disposed inside the transformer tank 110 and electrically connected to the controller 133. A gas fire suppression system 142 is disposed inside the transformer tank 110 and electrically connected to the controller 133. The fire extinguishing agent used in the gas fire extinguishing system 142 includes perfluoro-hexanone, heptafluoropropane, carbon dioxide, etc., and has high fire extinguishing efficiency, no electric conduction and no residue after fire extinguishing.
In this embodiment, by providing the smoke sensor 141, the fire situation inside the transformer box 110 is monitored in real time, and when a smoke signal is detected, the controller 133 outputs a control signal to control the gas fire extinguishing system 142 to be turned on, so as to control the fire in time and avoid the spread of the fire.
As shown in fig. 2, in an embodiment of the present utility model, the environment collection device 120 further includes a first circuit breaker 117, a second circuit breaker 118, an arc sensor 151, and a current sensor 152.
Specifically, the first circuit breaker 117 is electrically connected to the high voltage side of the transformer 115. A second circuit breaker 118 is electrically connected to the low voltage side of the transformer 115, and the second circuit breaker 118 is electrically connected to a low voltage bus 116. The arc sensor 151 is provided in plural, and is located inside the transformer box 110, and is used for detecting whether a plurality of detection points of the low-voltage bus 116 generate arc light. The current sensor 152 is used to detect the current at the low side of the transformer 115. The arc sensor 151, the current sensor 152, the first circuit breaker 117 and the second circuit breaker 118 are respectively electrically connected to the controller 133, and the controller 133 controls the on/off of the first circuit breaker 117 and/or the second circuit breaker 118 according to the detection result fed back by the current sensor 152 and the arc sensor 151.
In this embodiment, by providing the arc sensor 151 to detect whether or not arc is generated at a plurality of detection points of the low voltage bus 116, and by detecting the current at the low voltage side of the transformer 115 through the current sensor 152, when arc generation is detected and the current at the low voltage side of the transformer exceeds a threshold value, the controller 133 outputs a trip signal to the first circuit breaker 117 or/and the second circuit breaker 118, so as to control the hidden trouble of the apparatus in advance. And a double factor judgment mode is adopted, so that misjudgment is avoided, and the detection precision is high.
As shown in FIG. 2, in one embodiment of the utility model, the environment collection device 120 further includes an arc extension module 153. A plurality of arc sensors 151 are electrically connected to the arc extension module 153, respectively, and the arc extension module 153 is electrically connected to the controller 133.
In the present embodiment, by providing the arc extension module 153, the controller 133 is enabled to connect more arc sensors 151.
In one embodiment of the present utility model, a plurality of the power distribution and distribution devices 100 are communicatively connected to the same monitoring terminal 200. Specifically, the monitor terminal 200 may be a fixed monitor center or a mobile terminal such as a computer, a tablet, a mobile phone, etc.
In this embodiment, the multiple distribution devices 100 are communicatively connected to the same monitoring terminal 200, so that the multiple distribution devices located in the same environment are uniformly regulated and controlled, and the workload of equipment monitoring is reduced.
The technical features of the above embodiments may be combined arbitrarily, and the steps of the method are not limited to the execution sequence, so that all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description of the present specification.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (10)
1. A miniature substation distribution unit comprising:
the transformer box is internally provided with a transformer, a high-voltage chamber and a low-voltage chamber, and is provided with a plurality of box doors;
the environment acquisition device is arranged in the power transformation box and is used for acquiring the temperature value and the humidity value in the power transformation box at least in real time;
the ventilation equipment is fixedly arranged in the power transformation box and used for exchanging the temperature inside the power transformation box with the external environment;
the dehumidifying devices are arranged inside the power transformation box;
the environment acquisition device, the ventilation equipment and the dehumidifying device are respectively and electrically connected to the controller, and the controller is used for controlling the rotating speed of the ventilation equipment and the start and stop of the dehumidifying device according to the temperature value and the humidity value acquired by the environment acquisition device;
the display is fixedly arranged on the box door and is electrically connected to the controller and used for displaying parameter information;
and the communication device is electrically connected to the controller and used for forming data interaction with an external monitoring terminal.
2. A miniature substation distribution unit according to claim 1, wherein said environmental collection means comprises a temperature sensor and a humidity sensor.
3. A miniature substation distribution device according to claim 1, wherein the substation comprises an outer housing and an inner housing with a space therebetween to form an intermediate cavity;
the shell is provided with an air inlet so as to form the communication between the middle cavity and the external environment, and the air inlet is fixedly provided with a filter screen; the ventilation equipment is fixedly arranged in the inner shell to form the communication between the middle cavity and the inner space of the inner shell, and the height of the ventilation equipment is higher than that of the air inlet.
4. A miniature substation distribution device according to claim 3, wherein the substation box further comprises a baffle plate fixed to the outer or inner housing and located between the air intake and ventilation means; the width of the baffle is smaller than the width of the middle cavity.
5. A miniature substation distribution unit according to claim 4, wherein the baffle is arranged in an arc shape and one end is fixed to the top of the air intake and is arranged obliquely with respect to the inner wall of the housing.
6. A miniature substation power distribution unit according to claim 3, characterized in that said miniature substation power distribution unit further comprises:
a drain pump electrically connected to the controller, and a drain pump water inlet communicating with a bottom of the intermediate chamber;
a liquid level sensor is secured to the inner housing and is electrically connected to the controller for measuring the liquid level in the intermediate chamber.
7. The miniature substation distribution unit of claim 1, wherein said environment collection unit further comprises:
the smoke sensor is arranged inside the transformer box and is electrically connected to the controller;
and the gas fire extinguishing system is arranged inside the transformer box and is electrically connected to the controller.
8. The miniature substation distribution unit of claim 1, wherein said environment collection unit further comprises:
a first circuit breaker electrically connected to a high voltage side of the transformer;
a second circuit breaker electrically connected to a low voltage side of the transformer, and electrically connected to a low voltage bus;
the arc sensors are positioned in the transformer box and are used for detecting whether arc light is generated at detection points of the low-voltage bus;
a current sensor for detecting a current at a low voltage side of the transformer;
the arc sensor, the current sensor, the first circuit breaker and the second circuit breaker are electrically connected to the controller, respectively.
9. A miniature substation power distribution unit according to claim 8, wherein said environment collection means further comprises an arc extension module; a plurality of arc sensors are electrically connected to the arc extension module, respectively, and the arc extension module is electrically connected to the controller.
10. A miniature substation distribution device according to claim 1, wherein a plurality of said distribution devices are communicatively connected to the same monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926377.4U CN220107219U (en) | 2023-04-23 | 2023-04-23 | Distribution distributor for miniature transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926377.4U CN220107219U (en) | 2023-04-23 | 2023-04-23 | Distribution distributor for miniature transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220107219U true CN220107219U (en) | 2023-11-28 |
Family
ID=88871681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320926377.4U Active CN220107219U (en) | 2023-04-23 | 2023-04-23 | Distribution distributor for miniature transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220107219U (en) |
-
2023
- 2023-04-23 CN CN202320926377.4U patent/CN220107219U/en active Active
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