CN217335191U - Box transformer based on UPS - Google Patents

Box transformer based on UPS Download PDF

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Publication number
CN217335191U
CN217335191U CN202221000326.0U CN202221000326U CN217335191U CN 217335191 U CN217335191 U CN 217335191U CN 202221000326 U CN202221000326 U CN 202221000326U CN 217335191 U CN217335191 U CN 217335191U
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China
Prior art keywords
ups
contact
output end
dry
transformer
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CN202221000326.0U
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Chinese (zh)
Inventor
刘毅
王向伟
武环宇
刘佳
张澄辉
张凯
曹润楠
张雪琪
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Hebei Branch Of Huaneng New Energy Co ltd
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Hebei Branch Of Huaneng New Energy Co ltd
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Application filed by Hebei Branch Of Huaneng New Energy Co ltd filed Critical Hebei Branch Of Huaneng New Energy Co ltd
Priority to CN202221000326.0U priority Critical patent/CN217335191U/en
Priority to DE202022104524.0U priority patent/DE202022104524U1/en
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Publication of CN217335191U publication Critical patent/CN217335191U/en
Priority to JP2023001340U priority patent/JP3242593U/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Central Heating Systems (AREA)

Abstract

The utility model discloses a box type transformer based on UPS, relating to the technical field of UPS, comprising a dry type transformer, UPS, a contactor and a heater module; the output end of the dry type transformer is connected with the input end of the UPS, and the contactor is respectively connected with the output end of the dry type transformer and the output end of the UPS; the contactor is used for switching the dry-type transformer and the UPS to supply power to the user equipment; the heater module is connected with the output end of the UPS and used for heating the UPS. The utility model discloses box transformer is when the running state, when dry-type transformer is electrified promptly, by the dry-type transformer power supply, and UPS does not provide the power, when dry-type transformer stopped operating, by the UPS power supply, and for improving the UPS life-span, increase the guard box for UPS to the guard box takes the self-heating function, thereby has realized the security and the reliability that improve box transformer operation.

Description

Box transformer based on UPS
Technical Field
The utility model relates to a UPS technical field especially relates to a box transformer based on UPS.
Background
The control power and the auxiliary power of the conventional box-type transformer are provided by a dry-type transformer of the transformer, and generally, the high-voltage side of the dry-type transformer is connected to the low-voltage side of the box-type transformer, and the control power and the auxiliary power required by the box-type transformer are obtained from the low-voltage side of the dry-type transformer. In order to prevent the control circuit from losing power when the box transformer is in an off state, a UPS is usually provided to supply power to the control circuit even when the box transformer is off.
The box type transformer is usually used in the field, the UPS damage phenomenon generally exists, so that a control loop, a protection device and the like lose power supplies, and under the condition, if a transformer body of the box type transformer breaks down and needs to act and trip, a switch cannot be tripped, the box type transformer is in an unprotected running state, and the fault is easily expanded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a box transformer based on UPS can improve the security and the reliability of box transformer operation.
In order to achieve the above object, the utility model provides a following scheme:
a UPS-based box transformer, the box transformer comprising: a dry transformer, a UPS, a contactor, and a heater module; the output end of the dry type transformer is connected with the input end of the UPS, and the contactor is respectively connected with the output end of the dry type transformer and the output end of the UPS; the contactor is used for switching the dry-type transformer and the UPS to supply power to user equipment; the heater module is connected with the output end of the UPS and used for heating the UPS.
Optionally, an air switch is disposed between the dry type transformer and the contactor and between the dry type transformer and the UPS.
Optionally, the heater module comprises a first relay, a second relay, a heater, a first thermostat, and a second thermostat;
the first temperature controller is respectively connected with the output end of the UPS, the second relay and the first relay; the first relay is connected with the second relay; the first relay is connected with the output end of the UPS;
the second temperature controller is respectively connected with the output end of the UPS and the second relay; the second relay is connected with the output end of the UPS;
the first relay is respectively connected with the output end of the UPS and one end of the heater; the other end of the heater is connected with the output end of the UPS.
Optionally, the set temperature of the first temperature controller is 20 ℃; the set temperature of the second temperature controller is 25 ℃.
Optionally, the contactor comprises a first contact, a second contact, a third contact, a fourth contact, a fifth contact, and a sixth contact;
the first contact and the third contact form a normally closed contact; the second contact and the fourth contact form a normally closed contact; the first contact and the fifth contact form a normally open contact; the second contact and the sixth contact form a normally open contact;
the third contact and the fourth contact are both connected with the output end of the dry-type transformer;
the fifth contact and the sixth contact are both connected with the UPS output end;
the first contact and the second contact are both connected with the user equipment.
Optionally, the box transformer further comprises a protection box;
the UPS and the heater module are both fixed in the protection box.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model provides a box-type transformer based on UPS, which comprises a dry-type transformer, UPS, a contactor and a heater module; the output end of the dry type transformer is connected with the input end of the UPS, and the contactor is respectively connected with the output end of the dry type transformer and the output end of the UPS; the contactor is used for switching the dry-type transformer and the UPS to supply power to the user equipment; the heater module is connected with the output end of the UPS and used for heating the UPS. The utility model discloses box transformer is when the running state, when dry-type transformer is electrified promptly, by the dry-type transformer power supply, and UPS does not provide the power, when dry-type transformer stopped operating, by the UPS power supply, and for improving the UPS life-span, increase the guard box for UPS to the guard box takes the self-heating function, thereby has realized the security and the reliability that improve box transformer operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a diagram of a typical UPS wiring structure of a prior art box transformer;
fig. 2 is the utility model provides a box transformer wiring structure chart based on UPS.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a box transformer based on UPS can improve the security and the reliability of box transformer operation.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a diagram of a typical UPS wiring structure of a conventional box-type transformer, in which L is a live line, N is a neutral line, L and N are output terminals of a dry-type transformer, QF is an air switch, and is closed in a normal state, an input terminal of a UPS is connected to an output terminal of the dry-type transformer, an output terminal of the UPS is connected to a user equipment, and the air switch is provided between the dry-type transformer and the UPS.
In practical application, the output end of the UPS supplies power to each branch line of the user equipment, and the number of each branch line is determined according to actual needs. The power supply is generally a power supply for protecting box type transformers, such as power supplies of QF1, QF2, QF3 and QF4 opening and closing control circuits, power supplies of communication equipment and the like.
For the ability that improves box transformer safe and reliable operation, the utility model provides a new box transformer based on UPS. The deployment principle is: when the box type transformer is in a normal operation state, the dry type transformer is electrified, and the required power supply is obtained from the dry type transformer without passing through the UPS; when the dry type transformer can not provide power, the UPS supplies power. Because the factors influencing the service life of the UPS are mainly temperature, cold areas are particularly obvious; in order to prolong the service life of the UPS, a protection box is added to the UPS and has an automatic heating function.
Fig. 2 is the utility model provides a box transformer wiring structure chart based on UPS. As shown in fig. 2, the utility model provides a pair of box transformer based on UPS, box transformer includes: a dry transformer, a UPS, a contactor, and a heater module; the output end of the dry type transformer is connected with the input end of the UPS, and the contactor is respectively connected with the output end of the dry type transformer and the output end of the UPS; the contactor is used for switching the dry-type transformer and the UPS to supply power to user equipment; the heater module is connected with the output end of the UPS and used for heating the UPS.
Specifically, air switches are arranged between the dry type transformer and the contactor and between the dry type transformer and the UPS.
The heater module comprises a first relay, a second relay, a heater, a first temperature controller and a second temperature controller; the first temperature controller is respectively connected with the output end of the UPS, the second relay and the first relay; the first relay is connected with the second relay; the first relay is connected with the output end of the UPS; the second temperature controller is respectively connected with the output end of the UPS and the second relay; the second relay is connected with the output end of the UPS; the first relay is respectively connected with the output end of the UPS and one end of the heater; the other end of the heater is connected with the output end of the UPS. Further, the set temperature of the first temperature controller is 20 ℃; the set temperature of the second temperature controller is 25 ℃.
In addition, as a specific implementation manner of this embodiment, the heater module includes a first relay, a second relay, a heater, and a thermostat; the 20 ℃ terminal of the temperature controller is respectively connected with the output end of the UPS, the second relay and the first relay; the first relay is connected with the second relay; the first relay is connected with the output end of the UPS; the 25 ℃ wiring terminal of the temperature controller is respectively connected with the output end of the UPS and the second relay; the second relay is connected with the output end of the UPS; the first relay is respectively connected with the output end of the UPS and one end of the heater; the other end of the heater is connected with the output end of the UPS.
The contactor comprises a first contact, a second contact, a third contact, a fourth contact, a fifth contact and a sixth contact; the first contact and the third contact form a normally closed contact; the second contact and the fourth contact form a normally closed contact; the first contact and the fifth contact form a normally open contact; the second contact and the sixth contact form a normally open contact; the third contact and the fourth contact are both connected with the output end of the dry-type transformer; the fifth contact and the sixth contact are both connected with the UPS output end; the first contact and the second contact are both connected with the user equipment.
In addition, the box-type transformer further comprises a protection box; the UPS and the heater module are both fixed in the protection box.
The utility model provides a box transformer's based on UPS working process as follows:
when the dry-type transformer is electrified, the coil of the contactor KM is electrified, the contact 1 and the contact 3 are closed, and the contact 2 and the contact 4 are closed, so that the dry-type transformer belongs to a normal power supply mode. The dry type transformer continuously charges the UPS, the UPS only supplies power for the heater module, when the temperature in the UPS protection box is lower than 20 ℃, the 20 ℃ terminal of the first temperature controller is closed, the intermediate relay K1 is electrified, the contact K11 of the intermediate relay K1 is closed, the contact K20 of the intermediate relay K2 is normally closed, the self-holding loop is connected, the K12 is closed, the heater works, when the temperature in the UPS protection box is heated to 25 ℃, the 25 ℃ terminal of the second temperature controller is closed, the intermediate relay K2 is electrified, the contact K20 of the intermediate relay K2 is disconnected, the self-holding loop is disconnected, the intermediate relay K1 is electrified, the contacts K11 and K12 of the intermediate relay K1 are both disconnected, and the heater stops working. The design avoids the situation that the UPS is charged for a long time and does not discharge, and the automatic heating function is added to the UPS.
When the dry type transformer loses power, the dry type transformer does not charge the UPS any more, the coil of the contactor KM loses power, and at the moment, the contact 1 and the contact 5, and the contact 2 and the contact 6 are closed, so that the UPS supplies power to each loop of the user equipment.
The utility model discloses a box transformer is when the running state, when dry-type transformer is electrified promptly, by the dry-type transformer power supply, and UPS does not provide the power, when dry-type transformer stopped operating, by the UPS power supply, and for improving the UPS life-span, increase the guard box for UPS to the guard box takes the self-heating function, thereby has realized the security and the reliability that improve box transformer operation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (6)

1. A UPS-based box transformer, comprising: a dry transformer, a UPS, a contactor, and a heater module; the output end of the dry type transformer is connected with the input end of the UPS, and the contactor is respectively connected with the output end of the dry type transformer and the output end of the UPS; the contactor is used for switching the dry-type transformer and the UPS to supply power to user equipment; the heater module is connected with the output end of the UPS and used for heating the UPS.
2. The UPS-based box transformer of claim 1, wherein air switches are provided between the dry transformer and the contactor and between the dry transformer and the UPS.
3. The UPS-based box transformer of claim 1, wherein the heater module comprises a first relay, a second relay, a heater, a first thermostat, and a second thermostat;
the first temperature controller is respectively connected with the output end of the UPS, the second relay and the first relay; the first relay is connected with the second relay; the first relay is connected with the output end of the UPS;
the second temperature controller is respectively connected with the output end of the UPS and the second relay; the second relay is connected with the output end of the UPS;
the first relay is respectively connected with the output end of the UPS and one end of the heater; the other end of the heater is connected with the output end of the UPS.
4. The UPS-based box transformer of claim 3, wherein the first thermostat has a set temperature of 20 ℃; the set temperature of the second temperature controller is 25 ℃.
5. The UPS-based box transformer of claim 1, wherein the contactor comprises a first contact, a second contact, a third contact, a fourth contact, a fifth contact, and a sixth contact;
the first contact and the third contact form a normally closed contact; the second contact and the fourth contact form a normally closed contact; the first contact and the fifth contact form a normally open contact; the second contact and the sixth contact form a normally open contact;
the third contact and the fourth contact are both connected with the output end of the dry-type transformer;
the fifth contact and the sixth contact are both connected with the UPS output end;
the first contact and the second contact are both connected with the user equipment.
6. The UPS-based box transformer of claim 1, further comprising a protection box;
the UPS and the heater module are both fixed in the protection box.
CN202221000326.0U 2022-04-27 2022-04-27 Box transformer based on UPS Active CN217335191U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202221000326.0U CN217335191U (en) 2022-04-27 2022-04-27 Box transformer based on UPS
DE202022104524.0U DE202022104524U1 (en) 2022-04-27 2022-08-09 UPS based box shaped transformer
JP2023001340U JP3242593U (en) 2022-04-27 2023-04-20 Box type transformer based on UPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221000326.0U CN217335191U (en) 2022-04-27 2022-04-27 Box transformer based on UPS

Publications (1)

Publication Number Publication Date
CN217335191U true CN217335191U (en) 2022-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221000326.0U Active CN217335191U (en) 2022-04-27 2022-04-27 Box transformer based on UPS

Country Status (3)

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JP (1) JP3242593U (en)
CN (1) CN217335191U (en)
DE (1) DE202022104524U1 (en)

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DE202022104524U1 (en) 2022-08-31
JP3242593U (en) 2023-06-26

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