CN215183425U - Moisture removing device for box-type transformer - Google Patents
Moisture removing device for box-type transformer Download PDFInfo
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- CN215183425U CN215183425U CN202120452824.8U CN202120452824U CN215183425U CN 215183425 U CN215183425 U CN 215183425U CN 202120452824 U CN202120452824 U CN 202120452824U CN 215183425 U CN215183425 U CN 215183425U
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Abstract
The utility model provides a box transformer removes damp device, include: the box transformer substation comprises a box transformer substation body, wherein the side surface of one side of the box transformer substation body is provided with an air inlet, the bottom of the other side of the box transformer substation body is provided with an air outlet, a cable trench is arranged below the box transformer substation body, the box transformer substation body is communicated with the cable trench through the air outlet, and the cable trench is provided with a vent communicated with the external environment; the humidity detection component can detect and compare the humidity of the inside of the cable trench with the humidity of the outside environment; the fan is arranged at the air vent; wherein, it can detect the humidity inside the cable pit at humidity detection part and start when being greater than with external environment's humidity to become body and the inside dry air that introduces of cable pit through the air intake to the case. Based on the technical scheme of the utility model, through the introduction of the inside dry air of case transformer substation equipment and the discharge of humid air, effectively realized the inside dehumidification of case transformer substation equipment and dehumidified to realize automated control.
Description
Technical Field
The utility model relates to a box transformer technical field relates to a box transformer removes damp device very much.
Background
Box-type transformers are generally used in open air and are susceptible to moisture caused by the influence of the external weather. Currently, there are two main ways to dehumidify and dehumidify the inside of the box-type substation equipment, which respectively adopt a condensation dehumidification technology and a heating dehumidification technology. The condensation dehumidification technology mainly adopts a local manufacturing condensation condition, so that humid air in the box-type substation equipment is condensed into water and directly discharged to the outside, and the humidity in the equipment is gradually reduced. The heating dehumidification technology mainly adopts a heating device to heat and evaporate the humid air in the box-type substation equipment, so that the generation of condensation in the equipment is reduced.
Although the above two methods can perform dehumidification and dehumidification to some extent, since various devices used for condensation and heating are often installed inside the box-type transformer, the treatment and discharge of humid air are also performed inside the box-type transformer, which easily damages each electrical component inside the box-type transformer. In addition, photovoltaic power generation equipment is usually in remote areas, and the distribution is comparatively dispersed, and it is comparatively inconvenient to maintain, and the heat dissipation problem appears easily in the components and parts that current dehumidification means used mostly, easily breaks down under long-time operation, has the potential safety hazard, and is difficult to satisfy the requirement of equipment continuous operation.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned prior art, this application has provided a box transformer dehumidification device, becomes the inside dry air's of equipment introduction and the discharge of humid air through the case, has effectively realized the inside dehumidification of case transformer equipment to realize automated control.
The utility model discloses a box transformer removes damp device, include:
the box transformer substation comprises a box transformer substation body, wherein the side surface of one side of the box transformer substation body is provided with an air inlet, the bottom of the other side of the box transformer substation body is provided with an air outlet, a cable trench is arranged below the box transformer substation body, the box transformer substation body is communicated with the cable trench through the air outlet, and the cable trench is provided with a vent communicated with the external environment;
the humidity detection component can detect and compare the humidity of the interior of the cable trench with the humidity of the external environment;
the fan is arranged at the air vent;
wherein, it can be in the fan humidity detection part detects the inside humidity of cable pit be greater than with start when the humidity of external environment, in order to pass through the air intake to case becomes the body and the inside dry air that introduces of cable pit.
In one embodiment, the humidity detection component comprises a humidity controller, and a first hygrometer and a second hygrometer which are respectively connected with the humidity controller, wherein the first hygrometer is arranged inside the cable trench, and the second hygrometer is arranged on the outer wall of the box transformer body. With the aid of the present embodiment it is possible to,
in one embodiment, the first hygrometer is disposed on a top wall of the cable trench, and the first hygrometer is disposed on the top wall of the cable trench between the air outlet and the vent. Through this embodiment, the upper region of cable pit directly communicates the internal environment of case becomes equipment, and is the closest with the inside humidity value of case becomes equipment. Simultaneously, first hygrometer is located between air outlet and the vent, is located dry air's runner promptly, can directly detect and real-time reaction cable pit should be here and the inside humidity variation of case becomes equipment for humidity detection part can accurately obtain the inside humidity value of case becomes equipment, and then is convenient for the control to the fan.
In one embodiment, further comprising: the input end of the contactor is connected with an external power supply, the output end of the contactor is connected with the fan, and the coil control end of the contactor is connected with the humidity controller. According to the embodiment, the contactor (not shown in the drawing) is used as a power switch of the fan, the humidity controller controls the on-off of the contactor, and then the on-off of a power supply loop from an external power supply to the fan through the contactor is controlled, so that the real-time and accurate control of the fan is realized.
In one embodiment, the air outlet direction of the fan faces to the right upper side, the air outlet end of the fan is connected with a T-shaped three-way exhaust duct, and the three-way exhaust duct is used for changing the air outlet direction of the fan. Through this embodiment, the tee bend exhaust airway can change the air-out direction of fan into the level, and the box becomes equipment is kept away from to the moist air of time exhaust. Simultaneously, the direct moist air that discharges from the air-out end of fan collides with tee bend exhaust duct inner wall, makes moist air produce the condensation, reduces the humidity of exhaust air, avoids increasing the air humidity of the external environment around the case becomes equipment.
In one embodiment, the two air outlet openings of the three-way air outlet duct are bent obliquely downward. Through this embodiment, the flow direction of the humid air through tee bend exhaust airway exhaust is towards ground for humid air can contact ground, and then produces the condensation on ground, thereby can reduce the humidity of exhaust air, avoids increasing the air humidity of the external environment around the case becomes equipment.
In one embodiment, the air inlet is near the bottom of the box-type substation body. Through this embodiment, the inside humid air proportion of case becomes body is great, and main gathering becomes body inside near bottom department at the case, so set up the air intake in the bottom that is close to the case and becomes the body, can directly take away humid air through the dry air of air intake introduction.
In one embodiment, a filter screen is disposed on the air inlet. Through this embodiment, the filter screen can filter the outside environment's that gets into the case through the air intake dry air who becomes the body, and then can avoid the impurity of outside environment to get into the case along with dry air and become the body, avoids the normal work of the inside components and parts of case transformer substation body to receive impurity influence.
In one embodiment, the fan is an axial fan.
The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.
The utility model provides a pair of box transformer removes damp device compares with prior art, possesses following beneficial effect at least:
the utility model discloses a box transformer removes damp device can the humidity of real-time detection case transformer substation equipment inside and external environment to when the humidity that case transformer substation equipment is inside is greater than external environment's humidity, the control fan starts the dry air who comes to the inside external environment that introduces of case transformer substation equipment, and then has strengthened inside ventilation volume of case transformer substation equipment and circulation, the circulation degree of air. Through the introduction of dry air and the discharge of humid air in the box transformer substation equipment, the dehumidification and dehumidification in the box transformer substation equipment are effectively realized, and automatic control is realized.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 shows the overall structure of the dehumidifying device of the present invention.
In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
Reference numerals:
1-box transformer substation body, 11-air inlet, 12-air outlet, 2-humidity detection part, 21-humidity controller, 22-first hygrometer, 23-second hygrometer, 3-fan, 31-three-way exhaust duct, 311-mouth, 4-cable trench, and 41-vent.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model provides a box transformer removes damp device, include:
the box transformer substation comprises a box transformer substation body 1, wherein an air inlet 11 is formed in the side face of one side of the box transformer substation body 1, an air outlet 12 is formed in the bottom of the other side of the box transformer substation body, a cable trench 4 is formed below the box transformer substation body 1, the box transformer substation body 1 is communicated with the cable trench 4 through the air outlet 12, and the cable trench 4 is provided with a ventilation opening 41 communicated with the external environment;
the humidity detection component 2 can detect and compare the humidity of the inside of the cable trench 4 with the humidity of the outside environment by the humidity detection component 2;
a fan 3 provided at the vent 41;
wherein, it can be started when humidity detection component 2 detects the humidity of cable pit 4 inside and is greater than with the humidity of external environment to the dry air is introduced to case becomes body 1 and cable pit 4 inside through air intake 11 to fan 3.
Specifically, as shown in fig. 1, the utility model discloses a remove damp device uses fan 3 as the power device of ventilation, when humidity detection part 2 detects that the humidity inside cable pit 4 is greater than the humidity of external environment, fan 3 operates under the control of humidity detection part 2. Under the driving of the fan 3, dry air of the external environment enters the inside of the box transformer body 1 through the air inlet 11, then enters the cable trench 4 through the air outlet 12, and finally is discharged to the external environment through the fan 3 at the air outlet 41. When the humidity inside the cable trench 4 is not more than the humidity of the external environment, the motor stops operating and maintains a stopped state.
The humidity environment inside the cable trench 4 is similar to the humidity environment inside the box-type substation equipment and is communicated with the air outlet 12 at the bottom of the box-type substation equipment, so the humidity inside the cable trench 4 can reflect the humidity inside the box-type substation equipment, and the humidity inside the cable trench 4 is detected and the device is conveniently arranged inside the box-type substation equipment, so that the humidity inside the cable trench 4 is detected.
Further, a preset value can be set for the humidity inside the cable trench 4 in the humidity detection component 2, and when the humidity inside the cable trench 4 is greater than the preset value and greater than the humidity of the external environment, the fan 3 is started to dehumidify and dehumidify. And, when the humidity inside the cable trench 4 is not more than the preset value or not more than the humidity of the external environment, the blower 3 is stopped. Can set up the default like this according to the humidity requirement of the inside components and parts of case transformer substation body 1, when the inside humidity of cable pit 4 is greater than this default, prove that case transformer substation body 1 need dehumidify and remove the tide, so need the humidity of external environment this moment be less than the inside humidity of case transformer substation body 1 to this starts the dry air that fan 3 could introduce external environment.
Preferably, the air inlet 11 is close to the bottom of the box-type substation body 1.
Specifically, the humid air inside the box-type substation body 1 has a relatively large specific gravity and is mainly gathered at the position close to the bottom inside the box-type substation body 1, so that the air inlet 11 is arranged at the bottom close to the box-type substation body 1, and the humid air can be directly taken away by introducing dry air through the air inlet 11.
Preferably, a filter screen is arranged on the air inlet 11.
Specifically, the filter screen can filter the dry air that gets into the external environment of case transformer substation body 1 through air intake 11, and then can avoid the impurity of external environment to get into case transformer substation body 1 along with dry air, avoids the normal work of the inside components and parts of case transformer substation body 1 to receive impurity to influence.
Preferably, the fan 3 is an axial fan.
In one embodiment, the humidity detection component 2 includes a humidity controller 21 and a first hygrometer 22 and a second hygrometer 23 respectively connected to the humidity controller 21, the first hygrometer 22 is disposed inside the cable trench 4, and the second hygrometer 23 is disposed on an outer wall of the box transformer body 1.
Specifically, as shown in fig. 1 of the accompanying drawings, the first hygrometer 22 in the humidity detecting part 2 is disposed inside the cable trench 4 to detect the humidity inside the cable trench 4; the second hygrometer 23 is disposed on the outer wall of the box-type substation body 1 to detect the humidity of the external environment of the box-type substation body 1. The humidity controller 21 can receive the detection data of the first hygrometer 22 and the second hygrometer 23, compare the two humidity data, and determine whether to control the fan 3 to start according to the comparison result.
Preferably, the first hygrometer 22 is arranged on the top wall of the cable trench 4, and the first hygrometer 22 is arranged on the top wall of the cable trench 4 and is located between the air outlet 12 and the vent 41.
Specifically, the upper region of the cable trench 4 is directly connected to the internal environment of the box-type substation equipment, and is closest to the internal humidity value of the box-type substation equipment. Meanwhile, the first hygrometer 22 is located between the air outlet 12 and the vent 41, namely, on a flow channel of the dry air, and can directly detect and respond to the humidity change at the place of the cable trench 4 and inside the box-type substation equipment in real time, so that the humidity detection component 2 can accurately obtain the humidity value inside the box-type substation equipment, and further, the control of the fan 3 is facilitated.
In one embodiment, further comprising:
the input end of the contactor is connected with an external power supply, the output end of the contactor is connected with the fan 3, and the coil control end of the contactor is connected with the humidity controller 21.
Specifically, a contactor (not shown in the drawings) is used as a power switch of the fan 3, and the humidity controller 21 controls on/off of the contactor, so as to control on/off of a power supply loop from an external power supply to the fan 3 through the contactor, thereby realizing real-time and accurate control on the fan 3.
In one embodiment, the air outlet direction of the fan 3 faces directly above, the air outlet end of the fan 3 is connected with a T-shaped three-way exhaust duct 31, and the three-way exhaust duct 31 is used for changing the air outlet direction of the fan 3.
Specifically, as shown in fig. 1 of the accompanying drawings, the three-way exhaust duct 31 can change the air outlet direction of the fan 3 to be horizontal, and the exhausted humid air is far away from the box-type substation equipment. Meanwhile, the humid air directly discharged from the air outlet end of the fan 3 collides with the inner wall of the three-way exhaust duct 31, so that the humid air is condensed, the humidity of the discharged air is reduced, and the increase of the air humidity of the external environment around the box-type substation equipment is avoided.
Preferably, the two air outlets 311 of the three-way air outlet duct 31 are bent obliquely downward.
Specifically, the mouth 311 of the three-way exhaust duct 31 is bent towards the oblique lower side, that is, the flow direction of the humid air exhausted through the three-way exhaust duct 31 is towards the ground, so that the humid air can contact the ground, condensation is generated on the ground, the humidity of the exhausted air can be reduced, and the air humidity of the external environment around the box-type substation equipment is prevented from being increased.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (9)
1. The utility model provides a box transformer removes damp device which characterized in that includes:
the box transformer substation comprises a box transformer substation body, wherein the side surface of one side of the box transformer substation body is provided with an air inlet, the bottom of the other side of the box transformer substation body is provided with an air outlet, a cable trench is arranged below the box transformer substation body, the box transformer substation body is communicated with the cable trench through the air outlet, and the cable trench is provided with a vent communicated with the external environment;
the humidity detection component can detect and compare the humidity of the interior of the cable trench with the humidity of the external environment;
the fan is arranged at the air vent;
wherein, it can be in the fan humidity detection part detects the inside humidity of cable pit be greater than with start when the humidity of external environment, in order to pass through the air intake to case becomes the body and the inside dry air that introduces of cable pit.
2. The moisture removal device for the box-type transformer as claimed in claim 1, wherein the humidity detection component comprises a humidity controller, and a first hygrometer and a second hygrometer respectively connected to the humidity controller, the first hygrometer is disposed inside the cable trench, and the second hygrometer is disposed on an outer wall of the box-type transformer body.
3. The moisture removal device of claim 2, wherein the first moisture meter is disposed on the top wall of the cable trench between the air outlet and the vent.
4. The moisture removal device for box-type transformer of claim 2, further comprising:
the input end of the contactor is connected with an external power supply, the output end of the contactor is connected with the fan, and the coil control end of the contactor is connected with the humidity controller.
5. The moisture removing device for box-type transformer as claimed in claim 1, wherein the air outlet direction of the fan is directed upward, and the air outlet end of the fan is connected with a T-shaped three-way exhaust duct for changing the air outlet direction of the fan.
6. The moisture removing device for box-type transformer as claimed in claim 5, wherein the two air outlets of the three-way exhaust duct are bent obliquely downward.
7. The moisture removal device for box transformer as claimed in claim 1, wherein said air inlet is near the bottom of said box transformer body.
8. The moisture removal device for box-type transformers according to claim 1 or 7, wherein a filter screen is arranged on the air inlet.
9. The moisture removal device for box-type transformers according to claim 1, wherein the fan is an axial fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452824.8U CN215183425U (en) | 2021-03-02 | 2021-03-02 | Moisture removing device for box-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452824.8U CN215183425U (en) | 2021-03-02 | 2021-03-02 | Moisture removing device for box-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN215183425U true CN215183425U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120452824.8U Active CN215183425U (en) | 2021-03-02 | 2021-03-02 | Moisture removing device for box-type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036104A (en) * | 2022-08-12 | 2022-09-09 | 北京合纵科技股份有限公司 | Transformer for replacement type box transformer substation |
-
2021
- 2021-03-02 CN CN202120452824.8U patent/CN215183425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036104A (en) * | 2022-08-12 | 2022-09-09 | 北京合纵科技股份有限公司 | Transformer for replacement type box transformer substation |
| CN115036104B (en) * | 2022-08-12 | 2022-11-04 | 北京合纵科技股份有限公司 | Transformer for replacement type box transformer substation |
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